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967dc35c78
PR 32243 * dlltool.c: Move forward decls. Delete unnecessary ones. (bfd_errmsg): Delete macro, define as inline function. (PATHMAX): Delete. (NAME_MAX): Define.
4352 lines
114 KiB
C
4352 lines
114 KiB
C
/* dlltool.c -- tool to generate stuff for PE style DLLs
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Copyright (C) 1995-2024 Free Software Foundation, Inc.
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This file is part of GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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/* This program allows you to build the files necessary to create
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DLLs to run on a system which understands PE format image files.
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(eg, Windows NT)
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See "Peering Inside the PE: A Tour of the Win32 Portable Executable
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File Format", MSJ 1994, Volume 9 for more information.
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Also see "Microsoft Portable Executable and Common Object File Format,
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Specification 4.1" for more information.
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A DLL contains an export table which contains the information
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which the runtime loader needs to tie up references from a
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referencing program.
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The export table is generated by this program by reading
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in a .DEF file or scanning the .a and .o files which will be in the
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DLL. A .o file can contain information in special ".drectve" sections
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with export information.
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A DEF file contains any number of the following commands:
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NAME <name> [ , <base> ]
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The result is going to be <name>.EXE
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LIBRARY <name> [ , <base> ]
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The result is going to be <name>.DLL
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EXPORTS ( ( ( <name1> [ = <name2> ] )
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| ( <name1> = <module-name> . <external-name>))
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[ @ <integer> ] [ NONAME ] [CONSTANT] [DATA] [PRIVATE] ) *
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Declares name1 as an exported symbol from the
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DLL, with optional ordinal number <integer>.
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Or declares name1 as an alias (forward) of the function <external-name>
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in the DLL <module-name>.
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IMPORTS ( ( <internal-name> = <module-name> . <integer> )
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| ( [ <internal-name> = ] <module-name> . <external-name> )) *
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Declares that <external-name> or the exported function whose ordinal number
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is <integer> is to be imported from the file <module-name>. If
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<internal-name> is specified then this is the name that the imported
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function will be refereed to in the body of the DLL.
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DESCRIPTION <string>
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Puts <string> into output .exp file in the .rdata section
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[STACKSIZE|HEAPSIZE] <number-reserve> [ , <number-commit> ]
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Generates --stack|--heap <number-reserve>,<number-commit>
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in the output .drectve section. The linker will
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see this and act upon it.
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[CODE|DATA] <attr>+
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SECTIONS ( <sectionname> <attr>+ )*
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<attr> = READ | WRITE | EXECUTE | SHARED
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Generates --attr <sectionname> <attr> in the output
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.drectve section. The linker will see this and act
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upon it.
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A -export:<name> in a .drectve section in an input .o or .a
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file to this program is equivalent to a EXPORTS <name>
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in a .DEF file.
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The program generates output files with the prefix supplied
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on the command line, or in the def file, or taken from the first
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supplied argument.
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The .exp.s file contains the information necessary to export
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the routines in the DLL. The .lib.s file contains the information
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necessary to use the DLL's routines from a referencing program.
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Example:
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file1.c:
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asm (".section .drectve");
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asm (".ascii \"-export:adef\"");
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void adef (char * s)
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{
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printf ("hello from the dll %s\n", s);
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}
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void bdef (char * s)
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{
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printf ("hello from the dll and the other entry point %s\n", s);
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}
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file2.c:
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asm (".section .drectve");
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asm (".ascii \"-export:cdef\"");
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asm (".ascii \"-export:ddef\"");
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void cdef (char * s)
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{
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printf ("hello from the dll %s\n", s);
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}
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void ddef (char * s)
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{
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printf ("hello from the dll and the other entry point %s\n", s);
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}
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int printf (void)
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{
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return 9;
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}
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themain.c:
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int main (void)
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{
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cdef ();
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return 0;
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}
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thedll.def
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LIBRARY thedll
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HEAPSIZE 0x40000, 0x2000
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EXPORTS bdef @ 20
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cdef @ 30 NONAME
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SECTIONS donkey READ WRITE
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aardvark EXECUTE
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# Compile up the parts of the dll and the program
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gcc -c file1.c file2.c themain.c
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# Optional: put the dll objects into a library
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# (you don't have to, you could name all the object
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# files on the dlltool line)
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ar qcv thedll.in file1.o file2.o
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ranlib thedll.in
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# Run this tool over the DLL's .def file and generate an exports
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# file (thedll.o) and an imports file (thedll.a).
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# (You may have to use -S to tell dlltool where to find the assembler).
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dlltool --def thedll.def --output-exp thedll.o --output-lib thedll.a
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# Build the dll with the library and the export table
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ld -o thedll.dll thedll.o thedll.in
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# Link the executable with the import library
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gcc -o themain.exe themain.o thedll.a
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This example can be extended if relocations are needed in the DLL:
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# Compile up the parts of the dll and the program
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gcc -c file1.c file2.c themain.c
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# Run this tool over the DLL's .def file and generate an imports file.
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dlltool --def thedll.def --output-lib thedll.lib
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# Link the executable with the import library and generate a base file
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# at the same time
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gcc -o themain.exe themain.o thedll.lib -Wl,--base-file -Wl,themain.base
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# Run this tool over the DLL's .def file and generate an exports file
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# which includes the relocations from the base file.
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dlltool --def thedll.def --base-file themain.base --output-exp thedll.exp
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# Build the dll with file1.o, file2.o and the export table
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ld -o thedll.dll thedll.exp file1.o file2.o */
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/* .idata section description
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The .idata section is the import table. It is a collection of several
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subsections used to keep the pieces for each dll together: .idata$[234567].
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IE: Each dll's .idata$2's are catenated together, each .idata$3's, etc.
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.idata$2 = Import Directory Table
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= array of IMAGE_IMPORT_DESCRIPTOR's.
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DWORD Import Lookup Table; - pointer to .idata$4
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DWORD TimeDateStamp; - currently always 0
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DWORD ForwarderChain; - currently always 0
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DWORD Name; - pointer to dll's name
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PIMAGE_THUNK_DATA FirstThunk; - pointer to .idata$5
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.idata$3 = null terminating entry for .idata$2.
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.idata$4 = Import Lookup Table
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= array of array of numbers, which has meaning based on its highest bit:
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- when cleared - pointer to entry in Hint Name Table
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- when set - 16-bit function's ordinal number (rest of the bits are zeros)
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Function ordinal number subtracted by Export Directory Table's
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Ordinal Base is an index entry into the Export Address Table.
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There is one for each dll being imported from, and each dll's set is
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terminated by a trailing NULL.
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.idata$5 = Import Address Table
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There is one for each dll being imported from, and each dll's set is
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terminated by a trailing NULL.
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Initially, this table is identical to the Import Lookup Table. However,
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at load time, the loader overwrites the entries with the address of the
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function.
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.idata$6 = Hint Name Table
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= Array of { short, asciz } entries, one for each imported function.
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The `short' is the name hint - index into Export Name Pointer Table.
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The `asciz` is the name string - value in Export Name Table referenced
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by some entry in Export Name Pointer Table. Name hint should be the
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index of that entry in Export Name Pointer Table. It has no connection
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with the function's ordinal number.
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.idata$7 = dll name (eg: "kernel32.dll"). */
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#include "sysdep.h"
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#include "bfd.h"
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#include "libiberty.h"
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#include "getopt.h"
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#include "demangle.h"
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#include "dyn-string.h"
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#include "bucomm.h"
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#include "dlltool.h"
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#include "safe-ctype.h"
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#include "coff-bfd.h"
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#include <time.h>
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#include <assert.h>
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#ifdef DLLTOOL_ARM
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#include "coff/arm.h"
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#include "coff/internal.h"
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#endif
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#ifdef DLLTOOL_DEFAULT_MX86_64
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#include "coff/x86_64.h"
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#endif
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#ifdef DLLTOOL_DEFAULT_I386
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#include "coff/i386.h"
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#endif
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#ifndef COFF_PAGE_SIZE
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#define COFF_PAGE_SIZE ((bfd_vma) 4096)
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#endif
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#ifndef PAGE_MASK
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#define PAGE_MASK ((bfd_vma) (- COFF_PAGE_SIZE))
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#endif
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#ifndef NAME_MAX
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#define NAME_MAX 255
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#endif
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#ifdef HAVE_SYS_WAIT_H
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#include <sys/wait.h>
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#else /* ! HAVE_SYS_WAIT_H */
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#if ! defined (_WIN32) || defined (__CYGWIN32__)
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#ifndef WIFEXITED
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#define WIFEXITED(w) (((w) & 0377) == 0)
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#endif
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#ifndef WIFSIGNALED
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#define WIFSIGNALED(w) (((w) & 0377) != 0177 && ((w) & ~0377) == 0)
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#endif
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#ifndef WTERMSIG
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#define WTERMSIG(w) ((w) & 0177)
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#endif
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#ifndef WEXITSTATUS
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#define WEXITSTATUS(w) (((w) >> 8) & 0377)
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#endif
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#else /* defined (_WIN32) && ! defined (__CYGWIN32__) */
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#ifndef WIFEXITED
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#define WIFEXITED(w) (((w) & 0xff) == 0)
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#endif
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#ifndef WIFSIGNALED
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#define WIFSIGNALED(w) (((w) & 0xff) != 0 && ((w) & 0xff) != 0x7f)
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#endif
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#ifndef WTERMSIG
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#define WTERMSIG(w) ((w) & 0x7f)
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#endif
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#ifndef WEXITSTATUS
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#define WEXITSTATUS(w) (((w) & 0xff00) >> 8)
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#endif
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#endif /* defined (_WIN32) && ! defined (__CYGWIN32__) */
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#endif /* ! HAVE_SYS_WAIT_H */
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#define show_allnames 0
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/* ifunc and ihead data structures: ttk@cygnus.com 1997
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When IMPORT declarations are encountered in a .def file the
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function import information is stored in a structure referenced by
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the global variable IMPORT_LIST. The structure is a linked list
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containing the names of the dll files each function is imported
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from and a linked list of functions being imported from that dll
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file. This roughly parallels the structure of the .idata section
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in the PE object file.
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The contents of .def file are interpreted from within the
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process_def_file function. Every time an IMPORT declaration is
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encountered, it is broken up into its component parts and passed to
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def_import. IMPORT_LIST is initialized to NULL in function main. */
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typedef struct ifunct
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{
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char * name; /* Name of function being imported. */
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char * its_name; /* Optional import table symbol name. */
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int ord; /* Two-byte ordinal value associated with function. */
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struct ifunct *next;
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} ifunctype;
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typedef struct iheadt
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{
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char * dllname; /* Name of dll file imported from. */
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long nfuncs; /* Number of functions in list. */
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struct ifunct *funchead; /* First function in list. */
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struct ifunct *functail; /* Last function in list. */
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struct iheadt *next; /* Next dll file in list. */
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} iheadtype;
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/* Structure containing all import information as defined in .def file
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(qv "ihead structure"). */
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static iheadtype *import_list = NULL;
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static char *as_name = NULL;
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static char * as_flags = "";
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static char *tmp_prefix = NULL;
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static int no_idata4;
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static int no_idata5;
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static char *exp_name;
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static char *imp_name;
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static char *delayimp_name;
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static char *identify_imp_name;
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static bool identify_strict;
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static bool deterministic = DEFAULT_AR_DETERMINISTIC;
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/* Types used to implement a linked list of dllnames associated
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with the specified import lib. Used by the identify_* code.
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The head entry is acts as a sentinal node and is always empty
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(head->dllname is NULL). */
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typedef struct dll_name_list_node_t
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{
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char * dllname;
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struct dll_name_list_node_t * next;
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} dll_name_list_node_type;
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typedef struct dll_name_list_t
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{
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dll_name_list_node_type * head;
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dll_name_list_node_type * tail;
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} dll_name_list_type;
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/* Types used to pass data to iterator functions. */
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typedef struct symname_search_data_t
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{
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const char *symname;
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bool found;
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} symname_search_data_type;
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typedef struct identify_data_t
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{
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dll_name_list_type *list;
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bool ms_style_implib;
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} identify_data_type;
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static char *head_label;
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static char *imp_name_lab;
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static char *dll_name;
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static int dll_name_set_by_exp_name;
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static int add_indirect = 0;
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static int add_underscore = 0;
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static int add_stdcall_underscore = 0;
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static char *leading_underscore = NULL;
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static int dontdeltemps = 0;
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/* TRUE if we should export all symbols. Otherwise, we only export
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symbols listed in .drectve sections or in the def file. */
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static bool export_all_symbols;
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/* TRUE if we should exclude the symbols in DEFAULT_EXCLUDES when
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exporting all symbols. */
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static bool do_default_excludes = true;
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static bool use_nul_prefixed_import_tables = false;
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/* Default symbols to exclude when exporting all the symbols. */
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static const char *default_excludes = "DllMain@12,DllEntryPoint@0,impure_ptr";
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/* TRUE if we should add __imp_<SYMBOL> to import libraries for backward
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compatibility to old Cygwin releases. */
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static bool create_compat_implib;
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/* TRUE if we have to write PE+ import libraries. */
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static bool create_for_pep;
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static char *def_file;
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extern char * program_name;
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static int machine;
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static int killat;
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static int add_stdcall_alias;
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static const char *ext_prefix_alias;
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static int verbose;
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static FILE *output_def;
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static FILE *base_file;
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#ifdef DLLTOOL_DEFAULT_ARM
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static const char *mname = "arm";
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#endif
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#ifdef DLLTOOL_DEFAULT_ARM_WINCE
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static const char *mname = "arm-wince";
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#endif
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#ifdef DLLTOOL_DEFAULT_AARCH64
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/* arm64 rather than aarch64 to match llvm-dlltool */
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static const char *mname = "arm64";
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#endif
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#ifdef DLLTOOL_DEFAULT_I386
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static const char *mname = "i386";
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#endif
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#ifdef DLLTOOL_DEFAULT_MX86_64
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static const char *mname = "i386:x86-64";
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#endif
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#ifdef DLLTOOL_DEFAULT_SH
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static const char *mname = "sh";
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#endif
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#ifdef DLLTOOL_DEFAULT_MIPS
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static const char *mname = "mips";
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#endif
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#ifdef DLLTOOL_DEFAULT_MCORE
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static const char * mname = "mcore-le";
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#endif
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#ifdef DLLTOOL_DEFAULT_MCORE_ELF
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static const char * mname = "mcore-elf";
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static char * mcore_elf_out_file = NULL;
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static char * mcore_elf_linker = NULL;
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static char * mcore_elf_linker_flags = NULL;
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#define DRECTVE_SECTION_NAME ((machine == MMCORE_ELF || machine == MMCORE_ELF_LE) ? ".exports" : ".drectve")
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#endif
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#ifndef DRECTVE_SECTION_NAME
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#define DRECTVE_SECTION_NAME ".drectve"
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#endif
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/* External name alias numbering starts here. */
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#define PREFIX_ALIAS_BASE 20000
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static char *tmp_asm_buf;
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static char *tmp_head_s_buf;
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static char *tmp_head_o_buf;
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static char *tmp_tail_s_buf;
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static char *tmp_tail_o_buf;
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static char *tmp_stub_buf;
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#define TMP_ASM dlltmp (&tmp_asm_buf, "%sc.s")
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#define TMP_HEAD_S dlltmp (&tmp_head_s_buf, "%sh.s")
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#define TMP_HEAD_O dlltmp (&tmp_head_o_buf, "%sh.o")
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#define TMP_TAIL_S dlltmp (&tmp_tail_s_buf, "%st.s")
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#define TMP_TAIL_O dlltmp (&tmp_tail_o_buf, "%st.o")
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#define TMP_STUB dlltmp (&tmp_stub_buf, "%ssnnnnn.o")
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/* This bit of assembly does jmp * .... */
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static const unsigned char i386_jtab[] =
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{
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0xff, 0x25, 0x00, 0x00, 0x00, 0x00, 0x90, 0x90
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};
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static const unsigned char i386_dljtab[] =
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{
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0xFF, 0x25, 0x00, 0x00, 0x00, 0x00, /* jmp __imp__function */
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0xB8, 0x00, 0x00, 0x00, 0x00, /* mov eax, offset __imp__function */
|
||
0xE9, 0x00, 0x00, 0x00, 0x00 /* jmp __tailMerge__dllname */
|
||
};
|
||
|
||
static const unsigned char i386_x64_dljtab[] =
|
||
{
|
||
0xFF, 0x25, 0x00, 0x00, 0x00, 0x00, /* jmp __imp__function */
|
||
0x48, 0x8d, 0x05, /* leaq rax, (__imp__function) */
|
||
0x00, 0x00, 0x00, 0x00,
|
||
0xE9, 0x00, 0x00, 0x00, 0x00 /* jmp __tailMerge__dllname */
|
||
};
|
||
|
||
static const unsigned char arm_jtab[] =
|
||
{
|
||
0x00, 0xc0, 0x9f, 0xe5, /* ldr ip, [pc] */
|
||
0x00, 0xf0, 0x9c, 0xe5, /* ldr pc, [ip] */
|
||
0, 0, 0, 0
|
||
};
|
||
|
||
static const unsigned char arm_interwork_jtab[] =
|
||
{
|
||
0x04, 0xc0, 0x9f, 0xe5, /* ldr ip, [pc] */
|
||
0x00, 0xc0, 0x9c, 0xe5, /* ldr ip, [ip] */
|
||
0x1c, 0xff, 0x2f, 0xe1, /* bx ip */
|
||
0, 0, 0, 0
|
||
};
|
||
|
||
static const unsigned char thumb_jtab[] =
|
||
{
|
||
0x40, 0xb4, /* push {r6} */
|
||
0x02, 0x4e, /* ldr r6, [pc, #8] */
|
||
0x36, 0x68, /* ldr r6, [r6] */
|
||
0xb4, 0x46, /* mov ip, r6 */
|
||
0x40, 0xbc, /* pop {r6} */
|
||
0x60, 0x47, /* bx ip */
|
||
0, 0, 0, 0
|
||
};
|
||
|
||
static const unsigned char mcore_be_jtab[] =
|
||
{
|
||
0x71, 0x02, /* lrw r1,2 */
|
||
0x81, 0x01, /* ld.w r1,(r1,0) */
|
||
0x00, 0xC1, /* jmp r1 */
|
||
0x12, 0x00, /* nop */
|
||
0x00, 0x00, 0x00, 0x00 /* <address> */
|
||
};
|
||
|
||
static const unsigned char mcore_le_jtab[] =
|
||
{
|
||
0x02, 0x71, /* lrw r1,2 */
|
||
0x01, 0x81, /* ld.w r1,(r1,0) */
|
||
0xC1, 0x00, /* jmp r1 */
|
||
0x00, 0x12, /* nop */
|
||
0x00, 0x00, 0x00, 0x00 /* <address> */
|
||
};
|
||
|
||
static const unsigned char aarch64_jtab[] =
|
||
{
|
||
0x10, 0x00, 0x00, 0x90, /* adrp x16, 0 */
|
||
0x10, 0x02, 0x00, 0x91, /* add x16, x16, #0x0 */
|
||
0x10, 0x02, 0x40, 0xf9, /* ldr x16, [x16] */
|
||
0x00, 0x02, 0x1f, 0xd6 /* br x16 */
|
||
};
|
||
|
||
static const char i386_trampoline[] =
|
||
"\tpushl %%ecx\n"
|
||
"\tpushl %%edx\n"
|
||
"\tpushl %%eax\n"
|
||
"\tpushl $__DELAY_IMPORT_DESCRIPTOR_%s\n"
|
||
"\tcall ___delayLoadHelper2@8\n"
|
||
"\tpopl %%edx\n"
|
||
"\tpopl %%ecx\n"
|
||
"\tjmp *%%eax\n";
|
||
|
||
/* Save integer arg regs in parameter space reserved by our caller
|
||
above the return address. Allocate space for six fp arg regs plus
|
||
parameter space possibly used by __delayLoadHelper2 plus alignment.
|
||
We enter with the stack offset from 16-byte alignment by the return
|
||
address, so allocate 96 + 32 + 8 = 136 bytes. Note that only the
|
||
first four xmm regs are used to pass fp args, but the first six
|
||
vector ymm (zmm too?) are used to pass vector args. We are
|
||
assuming that volatile vector regs are not modified inside
|
||
__delayLoadHelper2. However, it is known that at least xmm0 and
|
||
xmm1 are trashed in some versions of Microsoft dlls, and if xmm4 or
|
||
xmm5 are also used then that would trash the lower bits of ymm4 and
|
||
ymm5. If it turns out that vector insns with a vex prefix are used
|
||
then we'll need to save ymm0-5 here but that can't be done without
|
||
first testing cpuid and xcr0. */
|
||
static const char i386_x64_trampoline[] =
|
||
"\tsubq $136, %%rsp\n"
|
||
"\t.seh_stackalloc 136\n"
|
||
"\t.seh_endprologue\n"
|
||
"\tmovq %%rcx, 136+8(%%rsp)\n"
|
||
"\tmovq %%rdx, 136+16(%%rsp)\n"
|
||
"\tmovq %%r8, 136+24(%%rsp)\n"
|
||
"\tmovq %%r9, 136+32(%%rsp)\n"
|
||
"\tmovaps %%xmm0, 32(%%rsp)\n"
|
||
"\tmovaps %%xmm1, 48(%%rsp)\n"
|
||
"\tmovaps %%xmm2, 64(%%rsp)\n"
|
||
"\tmovaps %%xmm3, 80(%%rsp)\n"
|
||
"\tmovaps %%xmm4, 96(%%rsp)\n"
|
||
"\tmovaps %%xmm5, 112(%%rsp)\n"
|
||
"\tmovq %%rax, %%rdx\n"
|
||
"\tleaq __DELAY_IMPORT_DESCRIPTOR_%s(%%rip), %%rcx\n"
|
||
"\tcall __delayLoadHelper2\n"
|
||
"\tmovq 136+8(%%rsp), %%rcx\n"
|
||
"\tmovq 136+16(%%rsp), %%rdx\n"
|
||
"\tmovq 136+24(%%rsp), %%r8\n"
|
||
"\tmovq 136+32(%%rsp), %%r9\n"
|
||
"\tmovaps 32(%%rsp), %%xmm0\n"
|
||
"\tmovaps 48(%%rsp), %%xmm1\n"
|
||
"\tmovaps 64(%%rsp), %%xmm2\n"
|
||
"\tmovaps 80(%%rsp), %%xmm3\n"
|
||
"\tmovaps 96(%%rsp), %%xmm4\n"
|
||
"\tmovaps 112(%%rsp), %%xmm5\n"
|
||
"\taddq $136, %%rsp\n"
|
||
"\tjmp *%%rax\n";
|
||
|
||
struct mac
|
||
{
|
||
const char *type;
|
||
const char *how_byte;
|
||
const char *how_short;
|
||
const char *how_long;
|
||
const char *how_asciz;
|
||
const char *how_comment;
|
||
const char *how_jump;
|
||
const char *how_global;
|
||
const char *how_space;
|
||
const char *how_align_short;
|
||
const char *how_align_long;
|
||
const char *how_default_as_switches;
|
||
const char *how_bfd_target;
|
||
enum bfd_architecture how_bfd_arch;
|
||
const unsigned char *how_jtab;
|
||
int how_jtab_size; /* Size of the jtab entry. */
|
||
int how_jtab_roff; /* Offset into it for the ind 32 reloc into idata 5. */
|
||
const unsigned char *how_dljtab;
|
||
int how_dljtab_size; /* Size of the dljtab entry. */
|
||
int how_dljtab_roff1; /* Offset for the ind 32 reloc into idata 5. */
|
||
int how_dljtab_roff2; /* Offset for the ind 32 reloc into idata 5. */
|
||
int how_dljtab_roff3; /* Offset for the ind 32 reloc into idata 5. */
|
||
bool how_seh;
|
||
const char *trampoline;
|
||
};
|
||
|
||
static const struct mac
|
||
mtable[] =
|
||
{
|
||
{
|
||
#define MARM 0
|
||
"arm", ".byte", ".short", ".long", ".asciz", "@",
|
||
"ldr\tip,[pc]\n\tldr\tpc,[ip]\n\t.long",
|
||
".global", ".space", ".align\t2", ".align\t4", "-mapcs-32",
|
||
"pe-arm-little", bfd_arch_arm,
|
||
arm_jtab, sizeof (arm_jtab), 8,
|
||
0, 0, 0, 0, 0, false, 0
|
||
}
|
||
,
|
||
{
|
||
#define M386 1
|
||
"i386", ".byte", ".short", ".long", ".asciz", "#",
|
||
"jmp *", ".global", ".space", ".align\t2", ".align\t4", "",
|
||
"pe-i386",bfd_arch_i386,
|
||
i386_jtab, sizeof (i386_jtab), 2,
|
||
i386_dljtab, sizeof (i386_dljtab), 2, 7, 12, false, i386_trampoline
|
||
}
|
||
,
|
||
{
|
||
#define MTHUMB 2
|
||
"thumb", ".byte", ".short", ".long", ".asciz", "@",
|
||
"push\t{r6}\n\tldr\tr6, [pc, #8]\n\tldr\tr6, [r6]\n\tmov\tip, r6\n\tpop\t{r6}\n\tbx\tip",
|
||
".global", ".space", ".align\t2", ".align\t4", "-mthumb-interwork",
|
||
"pe-arm-little", bfd_arch_arm,
|
||
thumb_jtab, sizeof (thumb_jtab), 12,
|
||
0, 0, 0, 0, 0, false, 0
|
||
}
|
||
,
|
||
#define MARM_INTERWORK 3
|
||
{
|
||
"arm_interwork", ".byte", ".short", ".long", ".asciz", "@",
|
||
"ldr\tip,[pc]\n\tldr\tip,[ip]\n\tbx\tip\n\t.long",
|
||
".global", ".space", ".align\t2", ".align\t4", "-mthumb-interwork",
|
||
"pe-arm-little", bfd_arch_arm,
|
||
arm_interwork_jtab, sizeof (arm_interwork_jtab), 12,
|
||
0, 0, 0, 0, 0, false, 0
|
||
}
|
||
,
|
||
{
|
||
#define MMCORE_BE 4
|
||
"mcore-be", ".byte", ".short", ".long", ".asciz", "//",
|
||
"lrw r1,[1f]\n\tld.w r1,(r1,0)\n\tjmp r1\n\tnop\n1:.long",
|
||
".global", ".space", ".align\t2", ".align\t4", "",
|
||
"pe-mcore-big", bfd_arch_mcore,
|
||
mcore_be_jtab, sizeof (mcore_be_jtab), 8,
|
||
0, 0, 0, 0, 0, false, 0
|
||
}
|
||
,
|
||
{
|
||
#define MMCORE_LE 5
|
||
"mcore-le", ".byte", ".short", ".long", ".asciz", "//",
|
||
"lrw r1,[1f]\n\tld.w r1,(r1,0)\n\tjmp r1\n\tnop\n1:.long",
|
||
".global", ".space", ".align\t2", ".align\t4", "-EL",
|
||
"pe-mcore-little", bfd_arch_mcore,
|
||
mcore_le_jtab, sizeof (mcore_le_jtab), 8,
|
||
0, 0, 0, 0, 0, false, 0
|
||
}
|
||
,
|
||
{
|
||
#define MMCORE_ELF 6
|
||
"mcore-elf-be", ".byte", ".short", ".long", ".asciz", "//",
|
||
"lrw r1,[1f]\n\tld.w r1,(r1,0)\n\tjmp r1\n\tnop\n1:.long",
|
||
".global", ".space", ".align\t2", ".align\t4", "",
|
||
"elf32-mcore-big", bfd_arch_mcore,
|
||
mcore_be_jtab, sizeof (mcore_be_jtab), 8,
|
||
0, 0, 0, 0, 0, false, 0
|
||
}
|
||
,
|
||
{
|
||
#define MMCORE_ELF_LE 7
|
||
"mcore-elf-le", ".byte", ".short", ".long", ".asciz", "//",
|
||
"lrw r1,[1f]\n\tld.w r1,(r1,0)\n\tjmp r1\n\tnop\n1:.long",
|
||
".global", ".space", ".align\t2", ".align\t4", "-EL",
|
||
"elf32-mcore-little", bfd_arch_mcore,
|
||
mcore_le_jtab, sizeof (mcore_le_jtab), 8,
|
||
0, 0, 0, 0, 0, false, 0
|
||
}
|
||
,
|
||
{
|
||
#define MARM_WINCE 8
|
||
"arm-wince", ".byte", ".short", ".long", ".asciz", "@",
|
||
"ldr\tip,[pc]\n\tldr\tpc,[ip]\n\t.long",
|
||
".global", ".space", ".align\t2", ".align\t4", "-mapcs-32",
|
||
"pe-arm-wince-little", bfd_arch_arm,
|
||
arm_jtab, sizeof (arm_jtab), 8,
|
||
0, 0, 0, 0, 0, false, 0
|
||
}
|
||
,
|
||
{
|
||
#define MX86 9
|
||
"i386:x86-64", ".byte", ".short", ".long", ".asciz", "#",
|
||
"jmp *", ".global", ".space", ".align\t2", ".align\t4", "",
|
||
"pe-x86-64",bfd_arch_i386,
|
||
i386_jtab, sizeof (i386_jtab), 2,
|
||
i386_x64_dljtab, sizeof (i386_x64_dljtab), 2, 9, 14, true, i386_x64_trampoline
|
||
}
|
||
,
|
||
{
|
||
#define MAARCH64 10
|
||
"arm64", ".byte", ".short", ".long", ".asciz", "//",
|
||
"bl ", ".global", ".space", ".balign\t2", ".balign\t4", "",
|
||
"pe-aarch64-little", bfd_arch_aarch64,
|
||
aarch64_jtab, sizeof (aarch64_jtab), 0,
|
||
0, 0, 0, 0, 0, false, 0
|
||
}
|
||
,
|
||
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
|
||
};
|
||
|
||
typedef struct dlist
|
||
{
|
||
char *text;
|
||
struct dlist *next;
|
||
}
|
||
dlist_type;
|
||
|
||
typedef struct export
|
||
{
|
||
const char *name;
|
||
const char *internal_name;
|
||
const char *import_name;
|
||
const char *its_name;
|
||
int ordinal;
|
||
int constant;
|
||
int noname; /* Don't put name in image file. */
|
||
int private; /* Don't put reference in import lib. */
|
||
int data;
|
||
int hint;
|
||
int forward; /* Number of forward label, 0 means no forward. */
|
||
struct export *next;
|
||
}
|
||
export_type;
|
||
|
||
/* A list of symbols which we should not export. */
|
||
|
||
struct string_list
|
||
{
|
||
struct string_list *next;
|
||
char *string;
|
||
};
|
||
|
||
static struct string_list *excludes;
|
||
|
||
/* Forward references. */
|
||
static char *deduce_name (const char *);
|
||
static const char *xlate (const char *);
|
||
static void dll_name_list_free_contents (dll_name_list_node_type *);
|
||
static void identify_search_archive
|
||
(bfd *, void (*) (bfd *, bfd *, void *), void *);
|
||
static void identify_search_member (bfd *, bfd *, void *);
|
||
static void identify_search_section (bfd *, asection *, void *);
|
||
static void inform (const char *, ...) ATTRIBUTE_PRINTF_1;
|
||
|
||
#ifdef DLLTOOL_MCORE_ELF
|
||
static void mcore_elf_cache_filename (const char *);
|
||
static void mcore_elf_gen_out_file (void);
|
||
#endif
|
||
|
||
/* Get current BFD error message. */
|
||
static inline const char *
|
||
bfd_get_errmsg (void)
|
||
{
|
||
return bfd_errmsg (bfd_get_error ());
|
||
}
|
||
|
||
static char *
|
||
prefix_encode (char *start, unsigned code)
|
||
{
|
||
static char buf[32];
|
||
char *p = stpcpy (buf, start);
|
||
do
|
||
*p++ = "abcdefghijklmnopqrstuvwxyz"[code % 26];
|
||
while ((code /= 26) != 0);
|
||
*p = '\0';
|
||
return buf;
|
||
}
|
||
|
||
static char *
|
||
dlltmp (char **buf, const char *fmt)
|
||
{
|
||
if (!*buf)
|
||
{
|
||
*buf = xmalloc (strlen (tmp_prefix) + 64);
|
||
sprintf (*buf, fmt, tmp_prefix);
|
||
}
|
||
return *buf;
|
||
}
|
||
|
||
static void
|
||
inform (const char * message, ...)
|
||
{
|
||
va_list args;
|
||
|
||
va_start (args, message);
|
||
|
||
if (!verbose)
|
||
return;
|
||
|
||
report (message, args);
|
||
|
||
va_end (args);
|
||
}
|
||
|
||
static const char *
|
||
rvaafter (int mach)
|
||
{
|
||
switch (mach)
|
||
{
|
||
case MARM:
|
||
case M386:
|
||
case MX86:
|
||
case MTHUMB:
|
||
case MARM_INTERWORK:
|
||
case MMCORE_BE:
|
||
case MMCORE_LE:
|
||
case MMCORE_ELF:
|
||
case MMCORE_ELF_LE:
|
||
case MARM_WINCE:
|
||
case MAARCH64:
|
||
break;
|
||
default:
|
||
/* xgettext:c-format */
|
||
fatal (_("Internal error: Unknown machine type: %d"), mach);
|
||
break;
|
||
}
|
||
return "";
|
||
}
|
||
|
||
static const char *
|
||
rvabefore (int mach)
|
||
{
|
||
switch (mach)
|
||
{
|
||
case MARM:
|
||
case M386:
|
||
case MX86:
|
||
case MTHUMB:
|
||
case MARM_INTERWORK:
|
||
case MMCORE_BE:
|
||
case MMCORE_LE:
|
||
case MMCORE_ELF:
|
||
case MMCORE_ELF_LE:
|
||
case MARM_WINCE:
|
||
case MAARCH64:
|
||
return ".rva\t";
|
||
default:
|
||
/* xgettext:c-format */
|
||
fatal (_("Internal error: Unknown machine type: %d"), mach);
|
||
break;
|
||
}
|
||
return "";
|
||
}
|
||
|
||
static const char *
|
||
asm_prefix (const char *name)
|
||
{
|
||
/* Symbol names starting with ? do not have a leading underscore. */
|
||
if (name && *name == '?')
|
||
return "";
|
||
return leading_underscore;
|
||
}
|
||
|
||
#define ASM_BYTE mtable[machine].how_byte
|
||
#define ASM_SHORT mtable[machine].how_short
|
||
#define ASM_LONG mtable[machine].how_long
|
||
#define ASM_TEXT mtable[machine].how_asciz
|
||
#define ASM_C mtable[machine].how_comment
|
||
#define ASM_JUMP mtable[machine].how_jump
|
||
#define ASM_GLOBAL mtable[machine].how_global
|
||
#define ASM_SPACE mtable[machine].how_space
|
||
#define ASM_ALIGN_SHORT mtable[machine].how_align_short
|
||
#define ASM_RVA_BEFORE rvabefore (machine)
|
||
#define ASM_RVA_AFTER rvaafter (machine)
|
||
#define ASM_PREFIX(NAME) asm_prefix (NAME)
|
||
#define ASM_ALIGN_LONG mtable[machine].how_align_long
|
||
#define HOW_BFD_READ_TARGET 0 /* Always default. */
|
||
#define HOW_BFD_WRITE_TARGET mtable[machine].how_bfd_target
|
||
#define HOW_BFD_ARCH mtable[machine].how_bfd_arch
|
||
#define HOW_JTAB (delay ? mtable[machine].how_dljtab \
|
||
: mtable[machine].how_jtab)
|
||
#define HOW_JTAB_SIZE (delay ? mtable[machine].how_dljtab_size \
|
||
: mtable[machine].how_jtab_size)
|
||
#define HOW_JTAB_ROFF (delay ? mtable[machine].how_dljtab_roff1 \
|
||
: mtable[machine].how_jtab_roff)
|
||
#define HOW_JTAB_ROFF2 (delay ? mtable[machine].how_dljtab_roff2 : 0)
|
||
#define HOW_JTAB_ROFF3 (delay ? mtable[machine].how_dljtab_roff3 : 0)
|
||
#define ASM_SWITCHES mtable[machine].how_default_as_switches
|
||
#define HOW_SEH mtable[machine].how_seh
|
||
|
||
static char **oav;
|
||
|
||
static void
|
||
process_def_file (const char *name)
|
||
{
|
||
FILE *f = fopen (name, FOPEN_RT);
|
||
|
||
if (!f)
|
||
/* xgettext:c-format */
|
||
fatal (_("Can't open def file: %s"), name);
|
||
|
||
yyin = f;
|
||
|
||
/* xgettext:c-format */
|
||
inform (_("Processing def file: %s"), name);
|
||
|
||
yyparse ();
|
||
|
||
inform (_("Processed def file"));
|
||
}
|
||
|
||
/**********************************************************************/
|
||
|
||
/* Communications with the parser. */
|
||
|
||
static int d_nfuncs; /* Number of functions exported. */
|
||
static int d_named_nfuncs; /* Number of named functions exported. */
|
||
static int d_low_ord; /* Lowest ordinal index. */
|
||
static int d_high_ord; /* Highest ordinal index. */
|
||
static export_type *d_exports; /* List of exported functions. */
|
||
static export_type **d_exports_lexically; /* Vector of exported functions in alpha order. */
|
||
static dlist_type *d_list; /* Descriptions. */
|
||
static dlist_type *a_list; /* Stuff to go in directives. */
|
||
static int d_nforwards = 0; /* Number of forwarded exports. */
|
||
|
||
static int d_is_dll;
|
||
static int d_is_exe;
|
||
|
||
void
|
||
yyerror (const char * err ATTRIBUTE_UNUSED)
|
||
{
|
||
/* xgettext:c-format */
|
||
non_fatal (_("Syntax error in def file %s:%d"), def_file, linenumber);
|
||
}
|
||
|
||
void
|
||
def_exports (const char *name, const char *internal_name, int ordinal,
|
||
int noname, int constant, int data, int private,
|
||
const char *its_name)
|
||
{
|
||
struct export *p = (struct export *) xmalloc (sizeof (*p));
|
||
|
||
p->name = name;
|
||
p->internal_name = internal_name ? internal_name : name;
|
||
p->its_name = its_name;
|
||
p->import_name = name;
|
||
p->ordinal = ordinal;
|
||
p->constant = constant;
|
||
p->noname = noname;
|
||
p->private = private;
|
||
p->data = data;
|
||
p->next = d_exports;
|
||
d_exports = p;
|
||
d_nfuncs++;
|
||
|
||
if (internal_name != NULL
|
||
&& strchr (internal_name, '.') != NULL)
|
||
p->forward = ++d_nforwards;
|
||
else
|
||
p->forward = 0; /* no forward */
|
||
}
|
||
|
||
static void
|
||
set_dll_name_from_def (const char *name, char is_dll)
|
||
{
|
||
const char *image_basename = lbasename (name);
|
||
if (image_basename != name)
|
||
non_fatal (_("%s: Path components stripped from image name, '%s'."),
|
||
def_file, name);
|
||
/* Append the default suffix, if none specified. */
|
||
if (strchr (image_basename, '.') == 0)
|
||
{
|
||
const char * suffix = is_dll ? ".dll" : ".exe";
|
||
|
||
dll_name = xmalloc (strlen (image_basename) + strlen (suffix) + 1);
|
||
sprintf (dll_name, "%s%s", image_basename, suffix);
|
||
}
|
||
else
|
||
dll_name = xstrdup (image_basename);
|
||
}
|
||
|
||
void
|
||
def_name (const char *name, int base)
|
||
{
|
||
/* xgettext:c-format */
|
||
inform (_("NAME: %s base: %x"), name, base);
|
||
|
||
if (d_is_dll)
|
||
non_fatal (_("Can't have LIBRARY and NAME"));
|
||
|
||
if (dll_name_set_by_exp_name && name && *name != 0)
|
||
{
|
||
dll_name = NULL;
|
||
dll_name_set_by_exp_name = 0;
|
||
}
|
||
/* If --dllname not provided, use the one in the DEF file.
|
||
FIXME: Is this appropriate for executables? */
|
||
if (!dll_name)
|
||
set_dll_name_from_def (name, 0);
|
||
d_is_exe = 1;
|
||
}
|
||
|
||
void
|
||
def_library (const char *name, int base)
|
||
{
|
||
/* xgettext:c-format */
|
||
inform (_("LIBRARY: %s base: %x"), name, base);
|
||
|
||
if (d_is_exe)
|
||
non_fatal (_("Can't have LIBRARY and NAME"));
|
||
|
||
if (dll_name_set_by_exp_name && name && *name != 0)
|
||
{
|
||
dll_name = NULL;
|
||
dll_name_set_by_exp_name = 0;
|
||
}
|
||
|
||
/* If --dllname not provided, use the one in the DEF file. */
|
||
if (!dll_name)
|
||
set_dll_name_from_def (name, 1);
|
||
d_is_dll = 1;
|
||
}
|
||
|
||
void
|
||
def_description (const char *desc)
|
||
{
|
||
dlist_type *d = (dlist_type *) xmalloc (sizeof (dlist_type));
|
||
d->text = xstrdup (desc);
|
||
d->next = d_list;
|
||
d_list = d;
|
||
}
|
||
|
||
static void
|
||
new_directive (char *dir)
|
||
{
|
||
dlist_type *d = (dlist_type *) xmalloc (sizeof (dlist_type));
|
||
d->text = xstrdup (dir);
|
||
d->next = a_list;
|
||
a_list = d;
|
||
}
|
||
|
||
void
|
||
def_heapsize (int reserve, int commit)
|
||
{
|
||
char b[200];
|
||
if (commit > 0)
|
||
sprintf (b, "-heap 0x%x,0x%x ", reserve, commit);
|
||
else
|
||
sprintf (b, "-heap 0x%x ", reserve);
|
||
new_directive (xstrdup (b));
|
||
}
|
||
|
||
void
|
||
def_stacksize (int reserve, int commit)
|
||
{
|
||
char b[200];
|
||
if (commit > 0)
|
||
sprintf (b, "-stack 0x%x,0x%x ", reserve, commit);
|
||
else
|
||
sprintf (b, "-stack 0x%x ", reserve);
|
||
new_directive (xstrdup (b));
|
||
}
|
||
|
||
/* append_import simply adds the given import definition to the global
|
||
import_list. It is used by def_import. */
|
||
|
||
static void
|
||
append_import (const char *symbol_name, const char *dllname, int func_ordinal,
|
||
const char *its_name)
|
||
{
|
||
iheadtype **pq;
|
||
iheadtype *q;
|
||
|
||
for (pq = &import_list; *pq != NULL; pq = &(*pq)->next)
|
||
{
|
||
if (strcmp ((*pq)->dllname, dllname) == 0)
|
||
{
|
||
q = *pq;
|
||
q->functail->next = xmalloc (sizeof (ifunctype));
|
||
q->functail = q->functail->next;
|
||
q->functail->ord = func_ordinal;
|
||
q->functail->name = xstrdup (symbol_name);
|
||
q->functail->its_name = its_name ? xstrdup (its_name) : NULL;
|
||
q->functail->next = NULL;
|
||
q->nfuncs++;
|
||
return;
|
||
}
|
||
}
|
||
|
||
q = xmalloc (sizeof (iheadtype));
|
||
q->dllname = xstrdup (dllname);
|
||
q->nfuncs = 1;
|
||
q->funchead = xmalloc (sizeof (ifunctype));
|
||
q->functail = q->funchead;
|
||
q->next = NULL;
|
||
q->functail->name = xstrdup (symbol_name);
|
||
q->functail->its_name = its_name ? xstrdup (its_name) : NULL;
|
||
q->functail->ord = func_ordinal;
|
||
q->functail->next = NULL;
|
||
|
||
*pq = q;
|
||
}
|
||
|
||
/* def_import is called from within defparse.y when an IMPORT
|
||
declaration is encountered. Depending on the form of the
|
||
declaration, the module name may or may not need ".dll" to be
|
||
appended to it, the name of the function may be stored in internal
|
||
or entry, and there may or may not be an ordinal value associated
|
||
with it. */
|
||
|
||
/* A note regarding the parse modes:
|
||
In defparse.y we have to accept import declarations which follow
|
||
any one of the following forms:
|
||
<func_name_in_app> = <dll_name>.<func_name_in_dll>
|
||
<func_name_in_app> = <dll_name>.<number>
|
||
<dll_name>.<func_name_in_dll>
|
||
<dll_name>.<number>
|
||
Furthermore, the dll's name may or may not end with ".dll", which
|
||
complicates the parsing a little. Normally the dll's name is
|
||
passed to def_import() in the "module" parameter, but when it ends
|
||
with ".dll" it gets passed in "module" sans ".dll" and that needs
|
||
to be reappended.
|
||
|
||
def_import gets five parameters:
|
||
APP_NAME - the name of the function in the application, if
|
||
present, or NULL if not present.
|
||
MODULE - the name of the dll, possibly sans extension (ie, '.dll').
|
||
DLLEXT - the extension of the dll, if present, NULL if not present.
|
||
ENTRY - the name of the function in the dll, if present, or NULL.
|
||
ORD_VAL - the numerical tag of the function in the dll, if present,
|
||
or NULL. Exactly one of <entry> or <ord_val> must be
|
||
present (i.e., not NULL). */
|
||
|
||
void
|
||
def_import (const char *app_name, const char *module, const char *dllext,
|
||
const char *entry, int ord_val, const char *its_name)
|
||
{
|
||
const char *application_name;
|
||
char *buf = NULL;
|
||
|
||
if (entry != NULL)
|
||
application_name = entry;
|
||
else
|
||
{
|
||
if (app_name != NULL)
|
||
application_name = app_name;
|
||
else
|
||
application_name = "";
|
||
}
|
||
|
||
if (dllext != NULL)
|
||
module = buf = concat (module, ".", dllext, NULL);
|
||
|
||
append_import (application_name, module, ord_val, its_name);
|
||
|
||
free (buf);
|
||
}
|
||
|
||
void
|
||
def_version (int major, int minor)
|
||
{
|
||
printf (_("VERSION %d.%d\n"), major, minor);
|
||
}
|
||
|
||
void
|
||
def_section (const char *name, int attr)
|
||
{
|
||
char buf[200];
|
||
char atts[5];
|
||
char *d = atts;
|
||
if (attr & 1)
|
||
*d++ = 'R';
|
||
|
||
if (attr & 2)
|
||
*d++ = 'W';
|
||
if (attr & 4)
|
||
*d++ = 'X';
|
||
if (attr & 8)
|
||
*d++ = 'S';
|
||
*d++ = 0;
|
||
sprintf (buf, "-attr %s %s", name, atts);
|
||
new_directive (xstrdup (buf));
|
||
}
|
||
|
||
void
|
||
def_code (int attr)
|
||
{
|
||
def_section ("CODE", attr);
|
||
}
|
||
|
||
void
|
||
def_data (int attr)
|
||
{
|
||
def_section ("DATA", attr);
|
||
}
|
||
|
||
/**********************************************************************/
|
||
|
||
static void
|
||
run (const char *what, char *args)
|
||
{
|
||
char *s;
|
||
int pid, wait_status;
|
||
int i;
|
||
const char **argv;
|
||
char *errmsg_fmt = NULL, *errmsg_arg = NULL;
|
||
char *temp_base = make_temp_file ("");
|
||
|
||
inform (_("run: %s %s"), what, args);
|
||
|
||
/* Count the args */
|
||
i = 0;
|
||
for (s = args; *s; s++)
|
||
if (*s == ' ')
|
||
i++;
|
||
i++;
|
||
argv = xmalloc (sizeof (char *) * (i + 3));
|
||
i = 0;
|
||
argv[i++] = what;
|
||
s = args;
|
||
while (1)
|
||
{
|
||
while (*s == ' ')
|
||
++s;
|
||
argv[i++] = s;
|
||
while (*s != ' ' && *s != 0)
|
||
s++;
|
||
if (*s == 0)
|
||
break;
|
||
*s++ = 0;
|
||
}
|
||
argv[i++] = NULL;
|
||
|
||
pid = pexecute (argv[0], (char * const *) argv, program_name, temp_base,
|
||
&errmsg_fmt, &errmsg_arg, PEXECUTE_ONE | PEXECUTE_SEARCH);
|
||
free (argv);
|
||
|
||
if (pid == -1)
|
||
{
|
||
inform ("%s", strerror (errno));
|
||
|
||
fatal (errmsg_fmt, errmsg_arg);
|
||
}
|
||
|
||
pid = pwait (pid, & wait_status, 0);
|
||
|
||
if (pid == -1)
|
||
{
|
||
/* xgettext:c-format */
|
||
fatal (_("wait: %s"), strerror (errno));
|
||
}
|
||
else if (WIFSIGNALED (wait_status))
|
||
{
|
||
/* xgettext:c-format */
|
||
fatal (_("subprocess got fatal signal %d"), WTERMSIG (wait_status));
|
||
}
|
||
else if (WIFEXITED (wait_status))
|
||
{
|
||
if (WEXITSTATUS (wait_status) != 0)
|
||
/* xgettext:c-format */
|
||
non_fatal (_("%s exited with status %d"),
|
||
what, WEXITSTATUS (wait_status));
|
||
}
|
||
else
|
||
abort ();
|
||
}
|
||
|
||
/* Look for a list of symbols to export in the .drectve section of
|
||
ABFD. Pass each one to def_exports. */
|
||
|
||
static void
|
||
scan_drectve_symbols (bfd *abfd)
|
||
{
|
||
asection * s;
|
||
int size;
|
||
char * buf;
|
||
char * p;
|
||
char * e;
|
||
|
||
/* Look for .drectve's */
|
||
s = bfd_get_section_by_name (abfd, DRECTVE_SECTION_NAME);
|
||
|
||
if (s == NULL)
|
||
return;
|
||
|
||
size = bfd_section_size (s);
|
||
buf = xmalloc (size);
|
||
|
||
bfd_get_section_contents (abfd, s, buf, 0, size);
|
||
|
||
/* xgettext:c-format */
|
||
inform (_("Sucking in info from %s section in %s"),
|
||
DRECTVE_SECTION_NAME, bfd_get_filename (abfd));
|
||
|
||
/* Search for -export: strings. The exported symbols can optionally
|
||
have type tags (eg., -export:foo,data), so handle those as well.
|
||
Currently only data tag is supported. */
|
||
p = buf;
|
||
e = buf + size;
|
||
while (p < e)
|
||
{
|
||
if (p[0] == '-'
|
||
&& startswith (p, "-export:"))
|
||
{
|
||
char * name;
|
||
char * c;
|
||
flagword flags = BSF_FUNCTION;
|
||
|
||
p += 8;
|
||
/* Do we have a quoted export? */
|
||
if (*p == '"')
|
||
{
|
||
p++;
|
||
name = p;
|
||
while (p < e && *p != '"')
|
||
++p;
|
||
}
|
||
else
|
||
{
|
||
name = p;
|
||
while (p < e && *p != ',' && *p != ' ' && *p != '-')
|
||
p++;
|
||
}
|
||
c = xmalloc (p - name + 1);
|
||
memcpy (c, name, p - name);
|
||
c[p - name] = 0;
|
||
/* Advance over trailing quote. */
|
||
if (p < e && *p == '"')
|
||
++p;
|
||
if (p < e && *p == ',') /* found type tag. */
|
||
{
|
||
char *tag_start = ++p;
|
||
while (p < e && *p != ' ' && *p != '-')
|
||
p++;
|
||
if (startswith (tag_start, "data"))
|
||
flags &= ~BSF_FUNCTION;
|
||
}
|
||
|
||
/* FIXME: The 5th arg is for the `constant' field.
|
||
What should it be? Not that it matters since it's not
|
||
currently useful. */
|
||
def_exports (c, 0, -1, 0, 0, ! (flags & BSF_FUNCTION), 0, NULL);
|
||
|
||
if (add_stdcall_alias && strchr (c, '@'))
|
||
{
|
||
int lead_at = (*c == '@') ;
|
||
char *exported_name = xstrdup (c + lead_at);
|
||
char *atsym = strchr (exported_name, '@');
|
||
*atsym = '\0';
|
||
/* Note: stdcall alias symbols can never be data. */
|
||
def_exports (exported_name, xstrdup (c), -1, 0, 0, 0, 0, NULL);
|
||
}
|
||
}
|
||
else
|
||
p++;
|
||
}
|
||
free (buf);
|
||
}
|
||
|
||
/* Look through the symbols in MINISYMS, and add each one to list of
|
||
symbols to export. */
|
||
|
||
static void
|
||
scan_filtered_symbols (bfd *abfd, void *minisyms, long symcount,
|
||
unsigned int size)
|
||
{
|
||
asymbol *store;
|
||
bfd_byte *from, *fromend;
|
||
|
||
store = bfd_make_empty_symbol (abfd);
|
||
if (store == NULL)
|
||
bfd_fatal (bfd_get_filename (abfd));
|
||
|
||
from = (bfd_byte *) minisyms;
|
||
fromend = from + symcount * size;
|
||
for (; from < fromend; from += size)
|
||
{
|
||
asymbol *sym;
|
||
const char *symbol_name;
|
||
|
||
sym = bfd_minisymbol_to_symbol (abfd, false, from, store);
|
||
if (sym == NULL)
|
||
bfd_fatal (bfd_get_filename (abfd));
|
||
|
||
symbol_name = bfd_asymbol_name (sym);
|
||
if (*symbol_name
|
||
&& *symbol_name == bfd_get_symbol_leading_char (abfd))
|
||
++symbol_name;
|
||
|
||
def_exports (xstrdup (symbol_name) , 0, -1, 0, 0,
|
||
! (sym->flags & BSF_FUNCTION), 0, NULL);
|
||
|
||
if (add_stdcall_alias && strchr (symbol_name, '@'))
|
||
{
|
||
int lead_at = (*symbol_name == '@');
|
||
char *exported_name = xstrdup (symbol_name + lead_at);
|
||
char *atsym = strchr (exported_name, '@');
|
||
*atsym = '\0';
|
||
/* Note: stdcall alias symbols can never be data. */
|
||
def_exports (exported_name, xstrdup (symbol_name),
|
||
-1, 0, 0, 0, 0, NULL);
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Add a list of symbols to exclude. */
|
||
|
||
static void
|
||
add_excludes (const char *new_excludes)
|
||
{
|
||
char *local_copy;
|
||
char *exclude_string;
|
||
|
||
local_copy = xstrdup (new_excludes);
|
||
|
||
exclude_string = strtok (local_copy, ",:");
|
||
for (; exclude_string; exclude_string = strtok (NULL, ",:"))
|
||
{
|
||
struct string_list *new_exclude;
|
||
|
||
new_exclude = ((struct string_list *)
|
||
xmalloc (sizeof (struct string_list)));
|
||
new_exclude->string = (char *) xmalloc (strlen (exclude_string) + 2);
|
||
/* Don't add a leading underscore for fastcall symbols. */
|
||
if (*exclude_string == '@')
|
||
sprintf (new_exclude->string, "%s", exclude_string);
|
||
else
|
||
sprintf (new_exclude->string, "%s%s", leading_underscore,
|
||
exclude_string);
|
||
new_exclude->next = excludes;
|
||
excludes = new_exclude;
|
||
|
||
/* xgettext:c-format */
|
||
inform (_("Excluding symbol: %s"), exclude_string);
|
||
}
|
||
|
||
free (local_copy);
|
||
}
|
||
|
||
/* See if STRING is on the list of symbols to exclude. */
|
||
|
||
static bool
|
||
match_exclude (const char *string)
|
||
{
|
||
struct string_list *excl_item;
|
||
|
||
for (excl_item = excludes; excl_item; excl_item = excl_item->next)
|
||
if (strcmp (string, excl_item->string) == 0)
|
||
return true;
|
||
return false;
|
||
}
|
||
|
||
/* Add the default list of symbols to exclude. */
|
||
|
||
static void
|
||
set_default_excludes (void)
|
||
{
|
||
add_excludes (default_excludes);
|
||
}
|
||
|
||
/* Choose which symbols to export. */
|
||
|
||
static long
|
||
filter_symbols (bfd *abfd, void *minisyms, long symcount, unsigned int size)
|
||
{
|
||
bfd_byte *from, *fromend, *to;
|
||
asymbol *store;
|
||
|
||
store = bfd_make_empty_symbol (abfd);
|
||
if (store == NULL)
|
||
bfd_fatal (bfd_get_filename (abfd));
|
||
|
||
from = (bfd_byte *) minisyms;
|
||
fromend = from + symcount * size;
|
||
to = (bfd_byte *) minisyms;
|
||
|
||
for (; from < fromend; from += size)
|
||
{
|
||
int keep = 0;
|
||
asymbol *sym;
|
||
|
||
sym = bfd_minisymbol_to_symbol (abfd, false, (const void *) from, store);
|
||
if (sym == NULL)
|
||
bfd_fatal (bfd_get_filename (abfd));
|
||
|
||
/* Check for external and defined only symbols. */
|
||
keep = (((sym->flags & BSF_GLOBAL) != 0
|
||
|| (sym->flags & BSF_WEAK) != 0
|
||
|| bfd_is_com_section (sym->section))
|
||
&& ! bfd_is_und_section (sym->section));
|
||
|
||
keep = keep && ! match_exclude (sym->name);
|
||
|
||
if (keep)
|
||
{
|
||
memcpy (to, from, size);
|
||
to += size;
|
||
}
|
||
}
|
||
|
||
return (to - (bfd_byte *) minisyms) / size;
|
||
}
|
||
|
||
/* Export all symbols in ABFD, except for ones we were told not to
|
||
export. */
|
||
|
||
static void
|
||
scan_all_symbols (bfd *abfd)
|
||
{
|
||
long symcount;
|
||
void *minisyms;
|
||
unsigned int size;
|
||
|
||
/* Ignore bfds with an import descriptor table. We assume that any
|
||
such BFD contains symbols which are exported from another DLL,
|
||
and we don't want to reexport them from here. */
|
||
if (bfd_get_section_by_name (abfd, ".idata$4"))
|
||
return;
|
||
|
||
if (! (bfd_get_file_flags (abfd) & HAS_SYMS))
|
||
{
|
||
/* xgettext:c-format */
|
||
non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
|
||
return;
|
||
}
|
||
|
||
symcount = bfd_read_minisymbols (abfd, false, &minisyms, &size);
|
||
if (symcount < 0)
|
||
bfd_fatal (bfd_get_filename (abfd));
|
||
|
||
if (symcount == 0)
|
||
{
|
||
/* xgettext:c-format */
|
||
non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
|
||
return;
|
||
}
|
||
|
||
/* Discard the symbols we don't want to export. It's OK to do this
|
||
in place; we'll free the storage anyway. */
|
||
|
||
symcount = filter_symbols (abfd, minisyms, symcount, size);
|
||
scan_filtered_symbols (abfd, minisyms, symcount, size);
|
||
|
||
free (minisyms);
|
||
}
|
||
|
||
/* Look at the object file to decide which symbols to export. */
|
||
|
||
static void
|
||
scan_open_obj_file (bfd *abfd)
|
||
{
|
||
if (export_all_symbols)
|
||
scan_all_symbols (abfd);
|
||
else
|
||
scan_drectve_symbols (abfd);
|
||
|
||
/* FIXME: we ought to read in and block out the base relocations. */
|
||
|
||
/* xgettext:c-format */
|
||
inform (_("Done reading %s"), bfd_get_filename (abfd));
|
||
}
|
||
|
||
static void
|
||
scan_obj_file (const char *filename)
|
||
{
|
||
bfd * f = bfd_openr (filename, 0);
|
||
|
||
if (!f)
|
||
/* xgettext:c-format */
|
||
fatal (_("Unable to open object file: %s: %s"), filename, bfd_get_errmsg ());
|
||
|
||
/* xgettext:c-format */
|
||
inform (_("Scanning object file %s"), filename);
|
||
|
||
if (bfd_check_format (f, bfd_archive))
|
||
{
|
||
bfd *arfile = bfd_openr_next_archived_file (f, 0);
|
||
while (arfile)
|
||
{
|
||
bfd *next;
|
||
if (bfd_check_format (arfile, bfd_object))
|
||
scan_open_obj_file (arfile);
|
||
next = bfd_openr_next_archived_file (f, arfile);
|
||
bfd_close (arfile);
|
||
/* PR 17512: file: 58715298. */
|
||
if (next == arfile)
|
||
break;
|
||
arfile = next;
|
||
}
|
||
|
||
#ifdef DLLTOOL_MCORE_ELF
|
||
if (mcore_elf_out_file)
|
||
inform (_("Cannot produce mcore-elf dll from archive file: %s"),
|
||
filename);
|
||
#endif
|
||
}
|
||
else if (bfd_check_format (f, bfd_object))
|
||
{
|
||
scan_open_obj_file (f);
|
||
|
||
#ifdef DLLTOOL_MCORE_ELF
|
||
if (mcore_elf_out_file)
|
||
mcore_elf_cache_filename (filename);
|
||
#endif
|
||
}
|
||
|
||
bfd_close (f);
|
||
}
|
||
|
||
|
||
static void
|
||
dump_def_info (FILE *f)
|
||
{
|
||
int i;
|
||
export_type *exp;
|
||
fprintf (f, "%s ", ASM_C);
|
||
for (i = 0; oav[i]; i++)
|
||
fprintf (f, "%s ", oav[i]);
|
||
fprintf (f, "\n");
|
||
for (i = 0, exp = d_exports; exp; i++, exp = exp->next)
|
||
{
|
||
fprintf (f, "%s %d = %s %s @ %d %s%s%s%s%s%s\n",
|
||
ASM_C,
|
||
i,
|
||
exp->name,
|
||
exp->internal_name,
|
||
exp->ordinal,
|
||
exp->noname ? "NONAME " : "",
|
||
exp->private ? "PRIVATE " : "",
|
||
exp->constant ? "CONSTANT" : "",
|
||
exp->data ? "DATA" : "",
|
||
exp->its_name ? " ==" : "",
|
||
exp->its_name ? exp->its_name : "");
|
||
}
|
||
}
|
||
|
||
/* Generate the .exp file. */
|
||
|
||
static int
|
||
sfunc (const void *a, const void *b)
|
||
{
|
||
if (*(const bfd_vma *) a == *(const bfd_vma *) b)
|
||
return 0;
|
||
|
||
return ((*(const bfd_vma *) a > *(const bfd_vma *) b) ? 1 : -1);
|
||
}
|
||
|
||
static void
|
||
flush_page (FILE *f, bfd_vma *need, bfd_vma page_addr, int on_page)
|
||
{
|
||
int i;
|
||
|
||
/* Flush this page. */
|
||
fprintf (f, "\t%s\t0x%08x\t%s Starting RVA for chunk\n",
|
||
ASM_LONG,
|
||
(int) page_addr,
|
||
ASM_C);
|
||
fprintf (f, "\t%s\t0x%x\t%s Size of block\n",
|
||
ASM_LONG,
|
||
(on_page * 2) + (on_page & 1) * 2 + 8,
|
||
ASM_C);
|
||
|
||
for (i = 0; i < on_page; i++)
|
||
{
|
||
bfd_vma needed = need[i];
|
||
|
||
if (needed)
|
||
{
|
||
if (!create_for_pep)
|
||
{
|
||
/* Relocation via HIGHLOW. */
|
||
needed = ((needed - page_addr) | 0x3000) & 0xffff;
|
||
}
|
||
else
|
||
{
|
||
/* Relocation via DIR64. */
|
||
needed = ((needed - page_addr) | 0xa000) & 0xffff;
|
||
}
|
||
}
|
||
|
||
fprintf (f, "\t%s\t0x%lx\n", ASM_SHORT, (long) needed);
|
||
}
|
||
|
||
/* And padding */
|
||
if (on_page & 1)
|
||
fprintf (f, "\t%s\t0x%x\n", ASM_SHORT, 0 | 0x0000);
|
||
}
|
||
|
||
static void
|
||
gen_def_file (void)
|
||
{
|
||
int i;
|
||
export_type *exp;
|
||
|
||
inform (_("Adding exports to output file"));
|
||
|
||
fprintf (output_def, ";");
|
||
for (i = 0; oav[i]; i++)
|
||
fprintf (output_def, " %s", oav[i]);
|
||
|
||
fprintf (output_def, "\nEXPORTS\n");
|
||
|
||
for (i = 0, exp = d_exports; exp; i++, exp = exp->next)
|
||
{
|
||
char *quote = strchr (exp->name, '.') ? "\"" : "";
|
||
char *res = cplus_demangle (exp->internal_name, DMGL_ANSI | DMGL_PARAMS);
|
||
|
||
if (res)
|
||
{
|
||
fprintf (output_def, ";\t%s\n", res);
|
||
free (res);
|
||
}
|
||
|
||
if (strcmp (exp->name, exp->internal_name) == 0)
|
||
{
|
||
fprintf (output_def, "\t%s%s%s @ %d%s%s%s%s%s\n",
|
||
quote,
|
||
exp->name,
|
||
quote,
|
||
exp->ordinal,
|
||
exp->noname ? " NONAME" : "",
|
||
exp->private ? "PRIVATE " : "",
|
||
exp->data ? " DATA" : "",
|
||
exp->its_name ? " ==" : "",
|
||
exp->its_name ? exp->its_name : "");
|
||
}
|
||
else
|
||
{
|
||
char * quote1 = strchr (exp->internal_name, '.') ? "\"" : "";
|
||
/* char *alias = */
|
||
fprintf (output_def, "\t%s%s%s = %s%s%s @ %d%s%s%s%s%s\n",
|
||
quote,
|
||
exp->name,
|
||
quote,
|
||
quote1,
|
||
exp->internal_name,
|
||
quote1,
|
||
exp->ordinal,
|
||
exp->noname ? " NONAME" : "",
|
||
exp->private ? "PRIVATE " : "",
|
||
exp->data ? " DATA" : "",
|
||
exp->its_name ? " ==" : "",
|
||
exp->its_name ? exp->its_name : "");
|
||
}
|
||
}
|
||
|
||
inform (_("Added exports to output file"));
|
||
}
|
||
|
||
/* generate_idata_ofile generates the portable assembly source code
|
||
for the idata sections. It appends the source code to the end of
|
||
the file. */
|
||
|
||
static void
|
||
generate_idata_ofile (FILE *filvar)
|
||
{
|
||
iheadtype *headptr;
|
||
ifunctype *funcptr;
|
||
int headindex;
|
||
int funcindex;
|
||
int nheads;
|
||
|
||
if (import_list == NULL)
|
||
return;
|
||
|
||
fprintf (filvar, "%s Import data sections\n", ASM_C);
|
||
fprintf (filvar, "\n\t.section\t.idata$2\n");
|
||
fprintf (filvar, "\t%s\tdoi_idata\n", ASM_GLOBAL);
|
||
fprintf (filvar, "doi_idata:\n");
|
||
|
||
nheads = 0;
|
||
for (headptr = import_list; headptr != NULL; headptr = headptr->next)
|
||
{
|
||
fprintf (filvar, "\t%slistone%d%s\t%s %s\n",
|
||
ASM_RVA_BEFORE, nheads, ASM_RVA_AFTER,
|
||
ASM_C, headptr->dllname);
|
||
fprintf (filvar, "\t%s\t0\n", ASM_LONG);
|
||
fprintf (filvar, "\t%s\t0\n", ASM_LONG);
|
||
fprintf (filvar, "\t%sdllname%d%s\n",
|
||
ASM_RVA_BEFORE, nheads, ASM_RVA_AFTER);
|
||
fprintf (filvar, "\t%slisttwo%d%s\n\n",
|
||
ASM_RVA_BEFORE, nheads, ASM_RVA_AFTER);
|
||
nheads++;
|
||
}
|
||
|
||
fprintf (filvar, "\t%s\t0\n", ASM_LONG); /* NULL record at */
|
||
fprintf (filvar, "\t%s\t0\n", ASM_LONG); /* end of idata$2 */
|
||
fprintf (filvar, "\t%s\t0\n", ASM_LONG); /* section */
|
||
fprintf (filvar, "\t%s\t0\n", ASM_LONG);
|
||
fprintf (filvar, "\t%s\t0\n", ASM_LONG);
|
||
|
||
fprintf (filvar, "\n\t.section\t.idata$4\n");
|
||
headindex = 0;
|
||
for (headptr = import_list; headptr != NULL; headptr = headptr->next)
|
||
{
|
||
fprintf (filvar, "listone%d:\n", headindex);
|
||
for (funcindex = 0; funcindex < headptr->nfuncs; funcindex++)
|
||
{
|
||
if (create_for_pep)
|
||
fprintf (filvar, "\t%sfuncptr%d_%d%s\n%s\t0\n",
|
||
ASM_RVA_BEFORE, headindex, funcindex, ASM_RVA_AFTER,
|
||
ASM_LONG);
|
||
else
|
||
fprintf (filvar, "\t%sfuncptr%d_%d%s\n",
|
||
ASM_RVA_BEFORE, headindex, funcindex, ASM_RVA_AFTER);
|
||
}
|
||
if (create_for_pep)
|
||
fprintf (filvar, "\t%s\t0\n\t%s\t0\n", ASM_LONG, ASM_LONG);
|
||
else
|
||
fprintf (filvar, "\t%s\t0\n", ASM_LONG); /* NULL terminating list. */
|
||
headindex++;
|
||
}
|
||
|
||
fprintf (filvar, "\n\t.section\t.idata$5\n");
|
||
headindex = 0;
|
||
for (headptr = import_list; headptr != NULL; headptr = headptr->next)
|
||
{
|
||
fprintf (filvar, "listtwo%d:\n", headindex);
|
||
for (funcindex = 0; funcindex < headptr->nfuncs; funcindex++)
|
||
{
|
||
if (create_for_pep)
|
||
fprintf (filvar, "\t%sfuncptr%d_%d%s\n%s\t0\n",
|
||
ASM_RVA_BEFORE, headindex, funcindex, ASM_RVA_AFTER,
|
||
ASM_LONG);
|
||
else
|
||
fprintf (filvar, "\t%sfuncptr%d_%d%s\n",
|
||
ASM_RVA_BEFORE, headindex, funcindex, ASM_RVA_AFTER);
|
||
}
|
||
if (create_for_pep)
|
||
fprintf (filvar, "\t%s\t0\n\t%s\t0\n", ASM_LONG, ASM_LONG);
|
||
else
|
||
fprintf (filvar, "\t%s\t0\n", ASM_LONG); /* NULL terminating list. */
|
||
headindex++;
|
||
}
|
||
|
||
fprintf (filvar, "\n\t.section\t.idata$6\n");
|
||
headindex = 0;
|
||
for (headptr = import_list; headptr != NULL; headptr = headptr->next)
|
||
{
|
||
funcindex = 0;
|
||
for (funcptr = headptr->funchead; funcptr != NULL;
|
||
funcptr = funcptr->next)
|
||
{
|
||
fprintf (filvar, "funcptr%d_%d:\n", headindex, funcindex);
|
||
fprintf (filvar, "\t%s\t%d\n", ASM_SHORT, funcptr->ord & 0xFFFF);
|
||
fprintf (filvar, "\t%s\t\"%s\"\n", ASM_TEXT,
|
||
funcptr->its_name ? funcptr->its_name : funcptr->name);
|
||
fprintf (filvar, "\t%s\t0\n", ASM_BYTE);
|
||
funcindex++;
|
||
}
|
||
headindex++;
|
||
}
|
||
|
||
fprintf (filvar, "\n\t.section\t.idata$7\n");
|
||
headindex = 0;
|
||
for (headptr = import_list; headptr != NULL; headptr = headptr->next)
|
||
{
|
||
fprintf (filvar, "dllname%d:\n", headindex);
|
||
fprintf (filvar, "\t%s\t\"%s\"\n", ASM_TEXT, headptr->dllname);
|
||
fprintf (filvar, "\t%s\t0\n", ASM_BYTE);
|
||
headindex++;
|
||
}
|
||
}
|
||
|
||
/* Assemble the specified file. */
|
||
static void
|
||
assemble_file (const char * source, const char * dest)
|
||
{
|
||
char * cmd;
|
||
|
||
cmd = xmalloc (strlen (ASM_SWITCHES) + strlen (as_flags)
|
||
+ strlen (source) + strlen (dest) + 50);
|
||
|
||
sprintf (cmd, "%s %s -o %s %s", ASM_SWITCHES, as_flags, dest, source);
|
||
|
||
run (as_name, cmd);
|
||
free (cmd);
|
||
}
|
||
|
||
static const char * temp_file_to_remove[5];
|
||
#define TEMP_EXPORT_FILE 0
|
||
#define TEMP_HEAD_FILE 1
|
||
#define TEMP_TAIL_FILE 2
|
||
#define TEMP_HEAD_O_FILE 3
|
||
#define TEMP_TAIL_O_FILE 4
|
||
|
||
static void
|
||
unlink_temp_files (void)
|
||
{
|
||
unsigned i;
|
||
|
||
if (dontdeltemps > 0)
|
||
return;
|
||
|
||
for (i = 0; i < ARRAY_SIZE (temp_file_to_remove); i++)
|
||
{
|
||
if (temp_file_to_remove[i])
|
||
{
|
||
unlink (temp_file_to_remove[i]);
|
||
temp_file_to_remove[i] = NULL;
|
||
}
|
||
}
|
||
}
|
||
|
||
static void
|
||
gen_exp_file (void)
|
||
{
|
||
FILE *f;
|
||
int i;
|
||
export_type *exp;
|
||
dlist_type *dl;
|
||
|
||
/* xgettext:c-format */
|
||
inform (_("Generating export file: %s"), exp_name);
|
||
|
||
f = fopen (TMP_ASM, FOPEN_WT);
|
||
if (!f)
|
||
/* xgettext:c-format */
|
||
fatal (_("Unable to open temporary assembler file: %s"), TMP_ASM);
|
||
|
||
temp_file_to_remove[TEMP_EXPORT_FILE] = TMP_ASM;
|
||
|
||
/* xgettext:c-format */
|
||
inform (_("Opened temporary file: %s"), TMP_ASM);
|
||
|
||
dump_def_info (f);
|
||
|
||
if (d_exports)
|
||
{
|
||
fprintf (f, "\t.section .edata\n\n");
|
||
fprintf (f, "\t%s 0 %s Allways 0\n", ASM_LONG, ASM_C);
|
||
fprintf (f, "\t%s 0x%lx %s Time and date\n", ASM_LONG,
|
||
(unsigned long) time(0), ASM_C);
|
||
fprintf (f, "\t%s 0 %s Major and Minor version\n", ASM_LONG, ASM_C);
|
||
fprintf (f, "\t%sname%s %s Ptr to name of dll\n",
|
||
ASM_RVA_BEFORE, ASM_RVA_AFTER, ASM_C);
|
||
fprintf (f, "\t%s %d %s Starting ordinal of exports\n",
|
||
ASM_LONG, d_low_ord, ASM_C);
|
||
|
||
|
||
fprintf (f, "\t%s %d %s Number of functions\n",
|
||
ASM_LONG, d_high_ord - d_low_ord + 1, ASM_C);
|
||
fprintf (f, "\t%s named funcs %d, low ord %d, high ord %d\n",
|
||
ASM_C, d_named_nfuncs, d_low_ord, d_high_ord);
|
||
fprintf (f, "\t%s %d %s Number of names\n", ASM_LONG,
|
||
show_allnames ? d_high_ord - d_low_ord + 1 : d_named_nfuncs,
|
||
ASM_C);
|
||
fprintf (f, "\t%safuncs%s %s Address of functions\n",
|
||
ASM_RVA_BEFORE, ASM_RVA_AFTER, ASM_C);
|
||
|
||
fprintf (f, "\t%sanames%s %s Address of Name Pointer Table\n",
|
||
ASM_RVA_BEFORE, ASM_RVA_AFTER, ASM_C);
|
||
|
||
fprintf (f, "\t%sanords%s %s Address of ordinals\n",
|
||
ASM_RVA_BEFORE, ASM_RVA_AFTER, ASM_C);
|
||
|
||
fprintf (f, "name: %s \"%s\"\n", ASM_TEXT, dll_name);
|
||
|
||
|
||
fprintf (f, "%s Export address Table\n", ASM_C);
|
||
fprintf (f, "\t%s\n", ASM_ALIGN_LONG);
|
||
fprintf (f, "afuncs:\n");
|
||
i = d_low_ord;
|
||
|
||
for (exp = d_exports; exp; exp = exp->next)
|
||
{
|
||
if (exp->ordinal != i)
|
||
{
|
||
while (i < exp->ordinal)
|
||
{
|
||
fprintf (f, "\t%s\t0\n", ASM_LONG);
|
||
i++;
|
||
}
|
||
}
|
||
|
||
if (exp->forward == 0)
|
||
{
|
||
if (exp->internal_name[0] == '@')
|
||
fprintf (f, "\t%s%s%s\t%s %d\n", ASM_RVA_BEFORE,
|
||
exp->internal_name, ASM_RVA_AFTER, ASM_C, exp->ordinal);
|
||
else
|
||
fprintf (f, "\t%s%s%s%s\t%s %d\n", ASM_RVA_BEFORE,
|
||
ASM_PREFIX (exp->internal_name),
|
||
exp->internal_name, ASM_RVA_AFTER, ASM_C, exp->ordinal);
|
||
}
|
||
else
|
||
fprintf (f, "\t%sf%d%s\t%s %d\n", ASM_RVA_BEFORE,
|
||
exp->forward, ASM_RVA_AFTER, ASM_C, exp->ordinal);
|
||
i++;
|
||
}
|
||
|
||
fprintf (f, "%s Export Name Pointer Table\n", ASM_C);
|
||
fprintf (f, "anames:\n");
|
||
|
||
for (i = 0; (exp = d_exports_lexically[i]); i++)
|
||
{
|
||
if (!exp->noname || show_allnames)
|
||
fprintf (f, "\t%sn%d%s\n",
|
||
ASM_RVA_BEFORE, exp->ordinal, ASM_RVA_AFTER);
|
||
}
|
||
|
||
fprintf (f, "%s Export Ordinal Table\n", ASM_C);
|
||
fprintf (f, "anords:\n");
|
||
for (i = 0; (exp = d_exports_lexically[i]); i++)
|
||
{
|
||
if (!exp->noname || show_allnames)
|
||
fprintf (f, "\t%s %d\n", ASM_SHORT, exp->ordinal - d_low_ord);
|
||
}
|
||
|
||
fprintf (f, "%s Export Name Table\n", ASM_C);
|
||
for (i = 0; (exp = d_exports_lexically[i]); i++)
|
||
{
|
||
if (!exp->noname || show_allnames)
|
||
fprintf (f, "n%d: %s \"%s\"\n",
|
||
exp->ordinal, ASM_TEXT,
|
||
exp->its_name ? exp->its_name : xlate (exp->name));
|
||
if (exp->forward != 0)
|
||
fprintf (f, "f%d: %s \"%s\"\n",
|
||
exp->forward, ASM_TEXT, exp->internal_name);
|
||
}
|
||
|
||
if (a_list)
|
||
{
|
||
fprintf (f, "\t.section %s\n", DRECTVE_SECTION_NAME);
|
||
for (dl = a_list; dl; dl = dl->next)
|
||
{
|
||
fprintf (f, "\t%s\t\"%s\"\n", ASM_TEXT, dl->text);
|
||
}
|
||
}
|
||
|
||
if (d_list)
|
||
{
|
||
fprintf (f, "\t.section .rdata\n");
|
||
for (dl = d_list; dl; dl = dl->next)
|
||
{
|
||
char *p;
|
||
int l;
|
||
|
||
/* We don't output as ascii because there can
|
||
be quote characters in the string. */
|
||
l = 0;
|
||
for (p = dl->text; *p; p++)
|
||
{
|
||
if (l == 0)
|
||
fprintf (f, "\t%s\t", ASM_BYTE);
|
||
else
|
||
fprintf (f, ",");
|
||
fprintf (f, "%d", *p);
|
||
if (p[1] == 0)
|
||
{
|
||
fprintf (f, ",0\n");
|
||
break;
|
||
}
|
||
if (++l == 10)
|
||
{
|
||
fprintf (f, "\n");
|
||
l = 0;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Add to the output file a way of getting to the exported names
|
||
without using the import library. */
|
||
if (add_indirect)
|
||
{
|
||
fprintf (f, "\t.section\t.rdata\n");
|
||
for (i = 0, exp = d_exports; exp; i++, exp = exp->next)
|
||
if (!exp->noname || show_allnames)
|
||
{
|
||
/* We use a single underscore for MS compatibility, and a
|
||
double underscore for backward compatibility with old
|
||
cygwin releases. */
|
||
if (create_compat_implib)
|
||
fprintf (f, "\t%s\t__imp_%s\n", ASM_GLOBAL, exp->name);
|
||
fprintf (f, "\t%s\t_imp_%s%s\n", ASM_GLOBAL,
|
||
leading_underscore, exp->name);
|
||
if (create_compat_implib)
|
||
fprintf (f, "__imp_%s:\n", exp->name);
|
||
fprintf (f, "_imp_%s%s:\n", leading_underscore, exp->name);
|
||
fprintf (f, "\t%s\t%s\n", ASM_LONG, exp->name);
|
||
}
|
||
}
|
||
|
||
/* Dump the reloc section if a base file is provided. */
|
||
if (base_file)
|
||
{
|
||
bfd_vma addr;
|
||
bfd_vma need[COFF_PAGE_SIZE];
|
||
bfd_vma page_addr;
|
||
bfd_size_type numbytes;
|
||
int num_entries;
|
||
bfd_vma *copy;
|
||
int j;
|
||
int on_page;
|
||
fprintf (f, "\t.section\t.init\n");
|
||
fprintf (f, "lab:\n");
|
||
|
||
fseek (base_file, 0, SEEK_END);
|
||
numbytes = ftell (base_file);
|
||
fseek (base_file, 0, SEEK_SET);
|
||
copy = xmalloc (numbytes);
|
||
if (fread (copy, 1, numbytes, base_file) < numbytes)
|
||
fatal (_("failed to read the number of entries from base file"));
|
||
num_entries = numbytes / sizeof (bfd_vma);
|
||
|
||
fprintf (f, "\t.section\t.reloc\n");
|
||
if (num_entries)
|
||
{
|
||
int src;
|
||
int dst = 0;
|
||
bfd_vma last = (bfd_vma) -1;
|
||
qsort (copy, num_entries, sizeof (bfd_vma), sfunc);
|
||
/* Delete duplicates */
|
||
for (src = 0; src < num_entries; src++)
|
||
{
|
||
if (last != copy[src])
|
||
last = copy[dst++] = copy[src];
|
||
}
|
||
num_entries = dst;
|
||
addr = copy[0];
|
||
page_addr = addr & PAGE_MASK; /* work out the page addr */
|
||
on_page = 0;
|
||
for (j = 0; j < num_entries; j++)
|
||
{
|
||
addr = copy[j];
|
||
if ((addr & PAGE_MASK) != page_addr)
|
||
{
|
||
flush_page (f, need, page_addr, on_page);
|
||
on_page = 0;
|
||
page_addr = addr & PAGE_MASK;
|
||
}
|
||
need[on_page++] = addr;
|
||
}
|
||
flush_page (f, need, page_addr, on_page);
|
||
#if 0
|
||
fprintf (f, "\t%s\t0,0\t%s End\n", ASM_LONG, ASM_C);
|
||
#endif
|
||
}
|
||
}
|
||
|
||
generate_idata_ofile (f);
|
||
|
||
fclose (f);
|
||
|
||
/* Assemble the file. */
|
||
assemble_file (TMP_ASM, exp_name);
|
||
|
||
if (dontdeltemps == 0)
|
||
{
|
||
temp_file_to_remove[TEMP_EXPORT_FILE] = NULL;
|
||
unlink (TMP_ASM);
|
||
}
|
||
|
||
inform (_("Generated exports file"));
|
||
}
|
||
|
||
static const char *
|
||
xlate (const char *name)
|
||
{
|
||
int lead_at = *name == '@';
|
||
int is_stdcall = !lead_at && strchr (name, '@') != NULL;
|
||
|
||
if (!lead_at && (add_underscore
|
||
|| (add_stdcall_underscore && is_stdcall)))
|
||
{
|
||
char *copy = xmalloc (strlen (name) + 2);
|
||
|
||
copy[0] = '_';
|
||
strcpy (copy + 1, name);
|
||
name = copy;
|
||
}
|
||
|
||
if (killat)
|
||
{
|
||
char *p;
|
||
|
||
name += lead_at;
|
||
/* PR 9766: Look for the last @ sign in the name. */
|
||
p = strrchr (name, '@');
|
||
if (p && ISDIGIT (p[1]))
|
||
*p = 0;
|
||
}
|
||
return name;
|
||
}
|
||
|
||
typedef struct
|
||
{
|
||
int id;
|
||
const char *name;
|
||
int flags;
|
||
int align;
|
||
asection *sec;
|
||
asymbol *sym;
|
||
asymbol **sympp;
|
||
int size;
|
||
unsigned char *data;
|
||
} sinfo;
|
||
|
||
#define INIT_SEC_DATA(id, name, flags, align) \
|
||
{ id, name, flags, align, NULL, NULL, NULL, 0, NULL }
|
||
|
||
#define TEXT 0
|
||
#define DATA 1
|
||
#define BSS 2
|
||
#define IDATA7 3
|
||
#define IDATA5 4
|
||
#define IDATA4 5
|
||
#define IDATA6 6
|
||
|
||
#define NSECS 7
|
||
|
||
#define TEXT_SEC_FLAGS \
|
||
(SEC_ALLOC | SEC_LOAD | SEC_CODE | SEC_READONLY | SEC_HAS_CONTENTS)
|
||
#define DATA_SEC_FLAGS (SEC_ALLOC | SEC_LOAD | SEC_DATA)
|
||
#define BSS_SEC_FLAGS SEC_ALLOC
|
||
|
||
static sinfo secdata[NSECS] =
|
||
{
|
||
INIT_SEC_DATA (TEXT, ".text", TEXT_SEC_FLAGS, 2),
|
||
INIT_SEC_DATA (DATA, ".data", DATA_SEC_FLAGS, 2),
|
||
INIT_SEC_DATA (BSS, ".bss", BSS_SEC_FLAGS, 2),
|
||
INIT_SEC_DATA (IDATA7, ".idata$7", SEC_HAS_CONTENTS, 2),
|
||
INIT_SEC_DATA (IDATA5, ".idata$5", SEC_HAS_CONTENTS, 2),
|
||
INIT_SEC_DATA (IDATA4, ".idata$4", SEC_HAS_CONTENTS, 2),
|
||
INIT_SEC_DATA (IDATA6, ".idata$6", SEC_HAS_CONTENTS, 1)
|
||
};
|
||
|
||
/* This is what we're trying to make. We generate the imp symbols with
|
||
both single and double underscores, for compatibility.
|
||
|
||
.text
|
||
.global _GetFileVersionInfoSizeW@8
|
||
.global __imp_GetFileVersionInfoSizeW@8
|
||
_GetFileVersionInfoSizeW@8:
|
||
jmp * __imp_GetFileVersionInfoSizeW@8
|
||
.section .idata$7 # To force loading of head
|
||
.long __version_a_head
|
||
# Import Address Table
|
||
.section .idata$5
|
||
__imp_GetFileVersionInfoSizeW@8:
|
||
.rva ID2
|
||
|
||
# Import Lookup Table
|
||
.section .idata$4
|
||
.rva ID2
|
||
# Hint/Name table
|
||
.section .idata$6
|
||
ID2: .short 2
|
||
.asciz "GetFileVersionInfoSizeW" */
|
||
|
||
static char *
|
||
make_label (const char *prefix, const char *name)
|
||
{
|
||
int len = strlen (ASM_PREFIX (name)) + strlen (prefix) + strlen (name);
|
||
char *copy = xmalloc (len + 1);
|
||
|
||
strcpy (copy, ASM_PREFIX (name));
|
||
strcat (copy, prefix);
|
||
strcat (copy, name);
|
||
return copy;
|
||
}
|
||
|
||
static char *
|
||
make_imp_label (const char *prefix, const char *name)
|
||
{
|
||
int len;
|
||
char *copy;
|
||
|
||
if (name[0] == '@')
|
||
{
|
||
len = strlen (prefix) + strlen (name);
|
||
copy = xmalloc (len + 1);
|
||
strcpy (copy, prefix);
|
||
strcat (copy, name);
|
||
}
|
||
else
|
||
{
|
||
len = strlen (ASM_PREFIX (name)) + strlen (prefix) + strlen (name);
|
||
copy = xmalloc (len + 1);
|
||
strcpy (copy, prefix);
|
||
strcat (copy, ASM_PREFIX (name));
|
||
strcat (copy, name);
|
||
}
|
||
return copy;
|
||
}
|
||
|
||
static bfd *
|
||
make_one_lib_file (export_type *exp, int i, int delay)
|
||
{
|
||
char *outname = TMP_STUB;
|
||
size_t name_len = strlen (outname);
|
||
sprintf (outname + name_len - 7, "%05d.o", i);
|
||
|
||
bfd *abfd = bfd_openw (outname, HOW_BFD_WRITE_TARGET);
|
||
if (!abfd)
|
||
/* xgettext:c-format */
|
||
fatal (_("bfd_open failed open stub file: %s: %s"),
|
||
outname, bfd_get_errmsg ());
|
||
|
||
/* xgettext:c-format */
|
||
inform (_("Creating stub file: %s"), outname);
|
||
|
||
bfd_set_format (abfd, bfd_object);
|
||
bfd_set_arch_mach (abfd, HOW_BFD_ARCH, 0);
|
||
|
||
#ifdef DLLTOOL_ARM
|
||
if (machine == MARM_INTERWORK || machine == MTHUMB)
|
||
bfd_set_private_flags (abfd, F_INTERWORK);
|
||
#endif
|
||
|
||
/* First make symbols for the sections. */
|
||
flagword applicable = bfd_applicable_section_flags (abfd);
|
||
#ifndef EXTRA
|
||
#define EXTRA 0
|
||
#endif
|
||
asymbol *ptrs[NSECS + 4 + EXTRA + 1];
|
||
int oidx = 0;
|
||
for (i = 0; i < NSECS; i++)
|
||
{
|
||
sinfo *si = secdata + i;
|
||
|
||
if (si->id != i)
|
||
abort ();
|
||
si->sec = bfd_make_section_old_way (abfd, si->name);
|
||
bfd_set_section_flags (si->sec, si->flags & applicable);
|
||
|
||
bfd_set_section_alignment (si->sec, si->align);
|
||
si->sec->output_section = si->sec;
|
||
si->sym = bfd_make_empty_symbol(abfd);
|
||
si->sym->name = si->sec->name;
|
||
si->sym->section = si->sec;
|
||
si->sym->flags = BSF_LOCAL;
|
||
si->sym->value = 0;
|
||
ptrs[oidx] = si->sym;
|
||
si->sympp = ptrs + oidx;
|
||
si->size = 0;
|
||
si->data = NULL;
|
||
|
||
oidx++;
|
||
}
|
||
|
||
if (! exp->data)
|
||
{
|
||
asymbol *exp_label = bfd_make_empty_symbol (abfd);
|
||
exp_label->name = make_imp_label ("", exp->name);
|
||
exp_label->section = secdata[TEXT].sec;
|
||
exp_label->flags = BSF_GLOBAL;
|
||
exp_label->value = 0;
|
||
|
||
#ifdef DLLTOOL_ARM
|
||
if (machine == MTHUMB)
|
||
bfd_coff_set_symbol_class (abfd, exp_label, C_THUMBEXTFUNC);
|
||
#endif
|
||
ptrs[oidx++] = exp_label;
|
||
}
|
||
|
||
/* Generate imp symbols with one underscore for Microsoft
|
||
compatibility, and with two underscores for backward
|
||
compatibility with old versions of cygwin. */
|
||
asymbol *iname = NULL;
|
||
if (create_compat_implib)
|
||
{
|
||
iname = bfd_make_empty_symbol (abfd);
|
||
iname->name = make_imp_label ("___imp", exp->name);
|
||
iname->section = secdata[IDATA5].sec;
|
||
iname->flags = BSF_GLOBAL;
|
||
iname->value = 0;
|
||
}
|
||
|
||
asymbol *iname2 = bfd_make_empty_symbol (abfd);
|
||
iname2->name = make_imp_label ("__imp_", exp->name);
|
||
iname2->section = secdata[IDATA5].sec;
|
||
iname2->flags = BSF_GLOBAL;
|
||
iname2->value = 0;
|
||
|
||
asymbol *iname_lab = bfd_make_empty_symbol (abfd);
|
||
iname_lab->name = head_label;
|
||
iname_lab->section = bfd_und_section_ptr;
|
||
iname_lab->flags = 0;
|
||
iname_lab->value = 0;
|
||
|
||
asymbol **iname_pp = ptrs + oidx;
|
||
if (create_compat_implib)
|
||
ptrs[oidx++] = iname;
|
||
ptrs[oidx++] = iname2;
|
||
|
||
asymbol **iname_lab_pp = ptrs + oidx;
|
||
ptrs[oidx++] = iname_lab;
|
||
|
||
ptrs[oidx] = 0;
|
||
|
||
for (i = 0; i < NSECS; i++)
|
||
{
|
||
sinfo *si = secdata + i;
|
||
asection *sec = si->sec;
|
||
arelent *rel, *rel2 = 0, *rel3 = 0;
|
||
arelent **rpp;
|
||
|
||
switch (i)
|
||
{
|
||
case TEXT:
|
||
if (! exp->data)
|
||
{
|
||
unsigned int rpp_len;
|
||
|
||
si->size = HOW_JTAB_SIZE;
|
||
si->data = xmalloc (HOW_JTAB_SIZE);
|
||
memcpy (si->data, HOW_JTAB, HOW_JTAB_SIZE);
|
||
|
||
/* Add the reloc into idata$5. */
|
||
rel = xmalloc (sizeof (arelent));
|
||
|
||
rpp_len = delay ? 4 : 2;
|
||
|
||
if (machine == MAARCH64)
|
||
rpp_len++;
|
||
|
||
rpp = xmalloc (sizeof (arelent *) * rpp_len);
|
||
rpp[0] = rel;
|
||
rpp[1] = 0;
|
||
|
||
rel->address = HOW_JTAB_ROFF;
|
||
rel->addend = 0;
|
||
|
||
if (delay)
|
||
{
|
||
rel2 = xmalloc (sizeof (arelent));
|
||
rpp[1] = rel2;
|
||
rel2->address = HOW_JTAB_ROFF2;
|
||
rel2->addend = 0;
|
||
rel3 = xmalloc (sizeof (arelent));
|
||
rpp[2] = rel3;
|
||
rel3->address = HOW_JTAB_ROFF3;
|
||
rel3->addend = 0;
|
||
rpp[3] = 0;
|
||
}
|
||
|
||
if (machine == MX86)
|
||
{
|
||
rel->howto = bfd_reloc_type_lookup (abfd,
|
||
BFD_RELOC_32_PCREL);
|
||
rel->sym_ptr_ptr = iname_pp;
|
||
}
|
||
else if (machine == MAARCH64)
|
||
{
|
||
arelent *rel_add;
|
||
|
||
rel->howto = bfd_reloc_type_lookup (abfd, BFD_RELOC_AARCH64_ADR_HI21_NC_PCREL);
|
||
rel->sym_ptr_ptr = secdata[IDATA5].sympp;
|
||
|
||
rel_add = xmalloc (sizeof (arelent));
|
||
rel_add->address = 4;
|
||
rel_add->howto = bfd_reloc_type_lookup (abfd, BFD_RELOC_AARCH64_ADD_LO12);
|
||
rel_add->sym_ptr_ptr = secdata[IDATA5].sympp;
|
||
rel_add->addend = 0;
|
||
|
||
rpp[rpp_len - 2] = rel_add;
|
||
rpp[rpp_len - 1] = 0;
|
||
}
|
||
else
|
||
{
|
||
rel->howto = bfd_reloc_type_lookup (abfd, BFD_RELOC_32);
|
||
rel->sym_ptr_ptr = secdata[IDATA5].sympp;
|
||
}
|
||
|
||
if (delay)
|
||
{
|
||
if (machine == MX86)
|
||
rel2->howto = bfd_reloc_type_lookup (abfd,
|
||
BFD_RELOC_32_PCREL);
|
||
else
|
||
rel2->howto = bfd_reloc_type_lookup (abfd, BFD_RELOC_32);
|
||
rel2->sym_ptr_ptr = rel->sym_ptr_ptr;
|
||
rel3->howto = bfd_reloc_type_lookup (abfd,
|
||
BFD_RELOC_32_PCREL);
|
||
rel3->sym_ptr_ptr = iname_lab_pp;
|
||
}
|
||
|
||
sec->orelocation = rpp;
|
||
sec->reloc_count = rpp_len - 1;
|
||
}
|
||
break;
|
||
|
||
case IDATA5:
|
||
if (delay)
|
||
{
|
||
si->size = create_for_pep ? 8 : 4;
|
||
si->data = xmalloc (si->size);
|
||
sec->reloc_count = 1;
|
||
memset (si->data, 0, si->size);
|
||
/* Point after jmp [__imp_...] instruction. */
|
||
si->data[0] = 6;
|
||
rel = xmalloc (sizeof (arelent));
|
||
rpp = xmalloc (sizeof (arelent *) * 2);
|
||
rpp[0] = rel;
|
||
rpp[1] = 0;
|
||
rel->address = 0;
|
||
rel->addend = 0;
|
||
if (create_for_pep)
|
||
rel->howto = bfd_reloc_type_lookup (abfd, BFD_RELOC_64);
|
||
else
|
||
rel->howto = bfd_reloc_type_lookup (abfd, BFD_RELOC_32);
|
||
rel->sym_ptr_ptr = secdata[TEXT].sympp;
|
||
sec->orelocation = rpp;
|
||
break;
|
||
}
|
||
/* Fall through. */
|
||
|
||
case IDATA4:
|
||
/* An idata$4 or idata$5 is one word long, and has an
|
||
rva to idata$6. */
|
||
|
||
if (create_for_pep)
|
||
{
|
||
si->data = xmalloc (8);
|
||
si->size = 8;
|
||
if (exp->noname)
|
||
{
|
||
si->data[0] = exp->ordinal ;
|
||
si->data[1] = exp->ordinal >> 8;
|
||
si->data[2] = exp->ordinal >> 16;
|
||
si->data[3] = exp->ordinal >> 24;
|
||
si->data[4] = 0;
|
||
si->data[5] = 0;
|
||
si->data[6] = 0;
|
||
si->data[7] = 0x80;
|
||
}
|
||
else
|
||
{
|
||
sec->reloc_count = 1;
|
||
memset (si->data, 0, si->size);
|
||
rel = xmalloc (sizeof (arelent));
|
||
rpp = xmalloc (sizeof (arelent *) * 2);
|
||
rpp[0] = rel;
|
||
rpp[1] = 0;
|
||
rel->address = 0;
|
||
rel->addend = 0;
|
||
rel->howto = bfd_reloc_type_lookup (abfd, BFD_RELOC_RVA);
|
||
rel->sym_ptr_ptr = secdata[IDATA6].sympp;
|
||
sec->orelocation = rpp;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
si->data = xmalloc (4);
|
||
si->size = 4;
|
||
|
||
if (exp->noname)
|
||
{
|
||
si->data[0] = exp->ordinal ;
|
||
si->data[1] = exp->ordinal >> 8;
|
||
si->data[2] = exp->ordinal >> 16;
|
||
si->data[3] = 0x80;
|
||
}
|
||
else
|
||
{
|
||
sec->reloc_count = 1;
|
||
memset (si->data, 0, si->size);
|
||
rel = xmalloc (sizeof (arelent));
|
||
rpp = xmalloc (sizeof (arelent *) * 2);
|
||
rpp[0] = rel;
|
||
rpp[1] = 0;
|
||
rel->address = 0;
|
||
rel->addend = 0;
|
||
rel->howto = bfd_reloc_type_lookup (abfd, BFD_RELOC_RVA);
|
||
rel->sym_ptr_ptr = secdata[IDATA6].sympp;
|
||
sec->orelocation = rpp;
|
||
}
|
||
}
|
||
break;
|
||
|
||
case IDATA6:
|
||
if (!exp->noname)
|
||
{
|
||
/* This used to add 1 to exp->hint. I don't know
|
||
why it did that, and it does not match what I see
|
||
in programs compiled with the MS tools. */
|
||
int idx = exp->hint;
|
||
if (exp->its_name)
|
||
si->size = strlen (exp->its_name) + 3;
|
||
else
|
||
si->size = strlen (xlate (exp->import_name)) + 3;
|
||
si->data = xmalloc (si->size);
|
||
memset (si->data, 0, si->size);
|
||
si->data[0] = idx & 0xff;
|
||
si->data[1] = idx >> 8;
|
||
if (exp->its_name)
|
||
strcpy ((char *) si->data + 2, exp->its_name);
|
||
else
|
||
strcpy ((char *) si->data + 2, xlate (exp->import_name));
|
||
}
|
||
break;
|
||
case IDATA7:
|
||
if (delay)
|
||
break;
|
||
si->size = 4;
|
||
si->data = xmalloc (4);
|
||
memset (si->data, 0, si->size);
|
||
rel = xmalloc (sizeof (arelent));
|
||
rpp = xmalloc (sizeof (arelent *) * 2);
|
||
rpp[0] = rel;
|
||
rel->address = 0;
|
||
rel->addend = 0;
|
||
rel->howto = bfd_reloc_type_lookup (abfd, BFD_RELOC_RVA);
|
||
rel->sym_ptr_ptr = iname_lab_pp;
|
||
sec->orelocation = rpp;
|
||
sec->reloc_count = 1;
|
||
break;
|
||
}
|
||
}
|
||
|
||
{
|
||
bfd_vma vma = 0;
|
||
/* Size up all the sections. */
|
||
for (i = 0; i < NSECS; i++)
|
||
{
|
||
sinfo *si = secdata + i;
|
||
|
||
bfd_set_section_size (si->sec, si->size);
|
||
bfd_set_section_vma (si->sec, vma);
|
||
}
|
||
}
|
||
/* Write them out. */
|
||
for (i = 0; i < NSECS; i++)
|
||
{
|
||
sinfo *si = secdata + i;
|
||
|
||
if (i == IDATA5 && no_idata5)
|
||
continue;
|
||
|
||
if (i == IDATA4 && no_idata4)
|
||
continue;
|
||
|
||
bfd_set_section_contents (abfd, si->sec,
|
||
si->data, 0,
|
||
si->size);
|
||
}
|
||
|
||
bfd_set_symtab (abfd, ptrs, oidx);
|
||
bfd_close (abfd);
|
||
abfd = bfd_openr (outname, HOW_BFD_READ_TARGET);
|
||
if (!abfd)
|
||
/* xgettext:c-format */
|
||
fatal (_("bfd_open failed reopen stub file: %s: %s"),
|
||
outname, bfd_get_errmsg ());
|
||
|
||
return abfd;
|
||
}
|
||
|
||
static bfd *
|
||
make_head (void)
|
||
{
|
||
FILE *f = fopen (TMP_HEAD_S, FOPEN_WT);
|
||
bfd *abfd;
|
||
|
||
if (f == NULL)
|
||
{
|
||
fatal (_("failed to open temporary head file: %s"), TMP_HEAD_S);
|
||
return NULL;
|
||
}
|
||
|
||
temp_file_to_remove[TEMP_HEAD_FILE] = TMP_HEAD_S;
|
||
|
||
fprintf (f, "%s IMAGE_IMPORT_DESCRIPTOR\n", ASM_C);
|
||
fprintf (f, "\t.section\t.idata$2\n");
|
||
|
||
fprintf (f, "\t%s\t%s\n", ASM_GLOBAL, head_label);
|
||
|
||
fprintf (f, "%s:\n", head_label);
|
||
|
||
fprintf (f, "\t%shname%s\t%sPtr to image import by name list\n",
|
||
ASM_RVA_BEFORE, ASM_RVA_AFTER, ASM_C);
|
||
|
||
fprintf (f, "\t%sthis should be the timestamp, but NT sometimes\n", ASM_C);
|
||
fprintf (f, "\t%sdoesn't load DLLs when this is set.\n", ASM_C);
|
||
fprintf (f, "\t%s\t0\t%s loaded time\n", ASM_LONG, ASM_C);
|
||
fprintf (f, "\t%s\t0\t%s Forwarder chain\n", ASM_LONG, ASM_C);
|
||
fprintf (f, "\t%s__%s_iname%s\t%s imported dll's name\n",
|
||
ASM_RVA_BEFORE,
|
||
imp_name_lab,
|
||
ASM_RVA_AFTER,
|
||
ASM_C);
|
||
fprintf (f, "\t%sfthunk%s\t%s pointer to firstthunk\n",
|
||
ASM_RVA_BEFORE,
|
||
ASM_RVA_AFTER, ASM_C);
|
||
|
||
fprintf (f, "%sStuff for compatibility\n", ASM_C);
|
||
|
||
if (!no_idata5)
|
||
{
|
||
fprintf (f, "\t.section\t.idata$5\n");
|
||
if (use_nul_prefixed_import_tables)
|
||
{
|
||
if (create_for_pep)
|
||
fprintf (f, "\t%s\t0\n\t%s\t0\n", ASM_LONG, ASM_LONG);
|
||
else
|
||
fprintf (f, "\t%s\t0\n", ASM_LONG);
|
||
}
|
||
fprintf (f, "fthunk:\n");
|
||
}
|
||
|
||
if (!no_idata4)
|
||
{
|
||
fprintf (f, "\t.section\t.idata$4\n");
|
||
if (use_nul_prefixed_import_tables)
|
||
{
|
||
if (create_for_pep)
|
||
fprintf (f, "\t%s\t0\n\t%s\t0\n", ASM_LONG, ASM_LONG);
|
||
else
|
||
fprintf (f, "\t%s\t0\n", ASM_LONG);
|
||
}
|
||
fprintf (f, "hname:\n");
|
||
}
|
||
|
||
fclose (f);
|
||
|
||
assemble_file (TMP_HEAD_S, TMP_HEAD_O);
|
||
|
||
abfd = bfd_openr (TMP_HEAD_O, HOW_BFD_READ_TARGET);
|
||
if (abfd == NULL)
|
||
/* xgettext:c-format */
|
||
fatal (_("failed to open temporary head file: %s: %s"),
|
||
TMP_HEAD_O, bfd_get_errmsg ());
|
||
|
||
temp_file_to_remove[TEMP_HEAD_O_FILE] = TMP_HEAD_O;
|
||
return abfd;
|
||
}
|
||
|
||
static bfd *
|
||
make_delay_head (void)
|
||
{
|
||
FILE *f = fopen (TMP_HEAD_S, FOPEN_WT);
|
||
bfd *abfd;
|
||
|
||
if (f == NULL)
|
||
{
|
||
fatal (_("failed to open temporary head file: %s"), TMP_HEAD_S);
|
||
return NULL;
|
||
}
|
||
|
||
temp_file_to_remove[TEMP_HEAD_FILE] = TMP_HEAD_S;
|
||
|
||
/* Output the __tailMerge__xxx function */
|
||
fprintf (f, "%s Import trampoline\n", ASM_C);
|
||
fprintf (f, "\t.section\t.text\n");
|
||
fprintf (f, "\t%s\t%s\n", ASM_GLOBAL, head_label);
|
||
if (HOW_SEH)
|
||
fprintf (f, "\t.seh_proc\t%s\n", head_label);
|
||
fprintf (f, "%s:\n", head_label);
|
||
fprintf (f, mtable[machine].trampoline, imp_name_lab);
|
||
if (HOW_SEH)
|
||
fprintf (f, "\t.seh_endproc\n");
|
||
|
||
/* Output the delay import descriptor */
|
||
fprintf (f, "\n%s DELAY_IMPORT_DESCRIPTOR\n", ASM_C);
|
||
fprintf (f, ".section\t.text$2\n");
|
||
fprintf (f, "%s __DELAY_IMPORT_DESCRIPTOR_%s\n", ASM_GLOBAL,imp_name_lab);
|
||
fprintf (f, "__DELAY_IMPORT_DESCRIPTOR_%s:\n", imp_name_lab);
|
||
fprintf (f, "\t%s 1\t%s grAttrs\n", ASM_LONG, ASM_C);
|
||
fprintf (f, "\t%s__%s_iname%s\t%s rvaDLLName\n",
|
||
ASM_RVA_BEFORE, imp_name_lab, ASM_RVA_AFTER, ASM_C);
|
||
fprintf (f, "\t%s__DLL_HANDLE_%s%s\t%s rvaHmod\n",
|
||
ASM_RVA_BEFORE, imp_name_lab, ASM_RVA_AFTER, ASM_C);
|
||
fprintf (f, "\t%s__IAT_%s%s\t%s rvaIAT\n",
|
||
ASM_RVA_BEFORE, imp_name_lab, ASM_RVA_AFTER, ASM_C);
|
||
fprintf (f, "\t%s__INT_%s%s\t%s rvaINT\n",
|
||
ASM_RVA_BEFORE, imp_name_lab, ASM_RVA_AFTER, ASM_C);
|
||
fprintf (f, "\t%s\t0\t%s rvaBoundIAT\n", ASM_LONG, ASM_C);
|
||
fprintf (f, "\t%s\t0\t%s rvaUnloadIAT\n", ASM_LONG, ASM_C);
|
||
fprintf (f, "\t%s\t0\t%s dwTimeStamp\n", ASM_LONG, ASM_C);
|
||
|
||
/* Output the dll_handle */
|
||
fprintf (f, "\n.section .data\n");
|
||
fprintf (f, "__DLL_HANDLE_%s:\n", imp_name_lab);
|
||
fprintf (f, "\t%s\t0\t%s Handle\n", ASM_LONG, ASM_C);
|
||
if (create_for_pep)
|
||
fprintf (f, "\t%s\t0\n", ASM_LONG);
|
||
fprintf (f, "\n");
|
||
|
||
fprintf (f, "%sStuff for compatibility\n", ASM_C);
|
||
|
||
if (!no_idata5)
|
||
{
|
||
fprintf (f, "\t.section\t.idata$5\n");
|
||
/* NULL terminating list. */
|
||
if (create_for_pep)
|
||
fprintf (f, "\t%s\t0\n\t%s\t0\n", ASM_LONG, ASM_LONG);
|
||
else
|
||
fprintf (f, "\t%s\t0\n", ASM_LONG);
|
||
fprintf (f, "__IAT_%s:\n", imp_name_lab);
|
||
}
|
||
|
||
if (!no_idata4)
|
||
{
|
||
fprintf (f, "\t.section\t.idata$4\n");
|
||
fprintf (f, "\t%s\t0\n", ASM_LONG);
|
||
if (create_for_pep)
|
||
fprintf (f, "\t%s\t0\n", ASM_LONG);
|
||
fprintf (f, "\t.section\t.idata$4\n");
|
||
fprintf (f, "__INT_%s:\n", imp_name_lab);
|
||
}
|
||
|
||
fprintf (f, "\t.section\t.idata$2\n");
|
||
|
||
fclose (f);
|
||
|
||
assemble_file (TMP_HEAD_S, TMP_HEAD_O);
|
||
|
||
abfd = bfd_openr (TMP_HEAD_O, HOW_BFD_READ_TARGET);
|
||
if (abfd == NULL)
|
||
/* xgettext:c-format */
|
||
fatal (_("failed to open temporary head file: %s: %s"),
|
||
TMP_HEAD_O, bfd_get_errmsg ());
|
||
|
||
temp_file_to_remove[TEMP_HEAD_O_FILE] = TMP_HEAD_O;
|
||
return abfd;
|
||
}
|
||
|
||
static bfd *
|
||
make_tail (void)
|
||
{
|
||
FILE *f = fopen (TMP_TAIL_S, FOPEN_WT);
|
||
bfd *abfd;
|
||
|
||
if (f == NULL)
|
||
{
|
||
fatal (_("failed to open temporary tail file: %s"), TMP_TAIL_S);
|
||
return NULL;
|
||
}
|
||
|
||
temp_file_to_remove[TEMP_TAIL_FILE] = TMP_TAIL_S;
|
||
|
||
if (!no_idata4)
|
||
{
|
||
fprintf (f, "\t.section\t.idata$4\n");
|
||
if (create_for_pep)
|
||
fprintf (f, "\t%s\t0\n\t%s\t0\n", ASM_LONG, ASM_LONG);
|
||
else
|
||
fprintf (f, "\t%s\t0\n", ASM_LONG); /* NULL terminating list. */
|
||
}
|
||
|
||
if (!no_idata5)
|
||
{
|
||
fprintf (f, "\t.section\t.idata$5\n");
|
||
if (create_for_pep)
|
||
fprintf (f, "\t%s\t0\n\t%s\t0\n", ASM_LONG, ASM_LONG);
|
||
else
|
||
fprintf (f, "\t%s\t0\n", ASM_LONG); /* NULL terminating list. */
|
||
}
|
||
|
||
fprintf (f, "\t.section\t.idata$7\n");
|
||
fprintf (f, "\t%s\t__%s_iname\n", ASM_GLOBAL, imp_name_lab);
|
||
fprintf (f, "__%s_iname:\t%s\t\"%s\"\n",
|
||
imp_name_lab, ASM_TEXT, dll_name);
|
||
|
||
fclose (f);
|
||
|
||
assemble_file (TMP_TAIL_S, TMP_TAIL_O);
|
||
|
||
abfd = bfd_openr (TMP_TAIL_O, HOW_BFD_READ_TARGET);
|
||
if (abfd == NULL)
|
||
/* xgettext:c-format */
|
||
fatal (_("failed to open temporary tail file: %s: %s"),
|
||
TMP_TAIL_O, bfd_get_errmsg ());
|
||
|
||
temp_file_to_remove[TEMP_TAIL_O_FILE] = TMP_TAIL_O;
|
||
return abfd;
|
||
}
|
||
|
||
static void
|
||
gen_lib_file (int delay)
|
||
{
|
||
int i;
|
||
export_type *exp;
|
||
bfd *ar_head;
|
||
bfd *ar_tail;
|
||
bfd *outarch;
|
||
bfd * head = 0;
|
||
|
||
unlink (imp_name);
|
||
|
||
outarch = bfd_openw (imp_name, HOW_BFD_WRITE_TARGET);
|
||
|
||
if (!outarch)
|
||
/* xgettext:c-format */
|
||
fatal (_("Can't create .lib file: %s: %s"),
|
||
imp_name, bfd_get_errmsg ());
|
||
|
||
/* xgettext:c-format */
|
||
inform (_("Creating library file: %s"), imp_name);
|
||
|
||
xatexit (unlink_temp_files);
|
||
|
||
bfd_set_format (outarch, bfd_archive);
|
||
outarch->has_armap = 1;
|
||
outarch->is_thin_archive = 0;
|
||
|
||
if (deterministic)
|
||
outarch->flags |= BFD_DETERMINISTIC_OUTPUT;
|
||
|
||
/* Work out a reasonable size of things to put onto one line. */
|
||
if (delay)
|
||
{
|
||
ar_head = make_delay_head ();
|
||
}
|
||
else
|
||
{
|
||
ar_head = make_head ();
|
||
}
|
||
ar_tail = make_tail();
|
||
|
||
if (ar_head == NULL || ar_tail == NULL)
|
||
return;
|
||
|
||
for (i = 0; (exp = d_exports_lexically[i]); i++)
|
||
{
|
||
bfd *n;
|
||
/* Don't add PRIVATE entries to import lib. */
|
||
if (exp->private)
|
||
continue;
|
||
n = make_one_lib_file (exp, i, delay);
|
||
n->archive_next = head;
|
||
head = n;
|
||
if (ext_prefix_alias)
|
||
{
|
||
export_type alias_exp;
|
||
|
||
assert (i < PREFIX_ALIAS_BASE);
|
||
alias_exp.name = make_imp_label (ext_prefix_alias, exp->name);
|
||
alias_exp.internal_name = exp->internal_name;
|
||
alias_exp.its_name = exp->its_name;
|
||
alias_exp.import_name = exp->name;
|
||
alias_exp.ordinal = exp->ordinal;
|
||
alias_exp.constant = exp->constant;
|
||
alias_exp.noname = exp->noname;
|
||
alias_exp.private = exp->private;
|
||
alias_exp.data = exp->data;
|
||
alias_exp.hint = exp->hint;
|
||
alias_exp.forward = exp->forward;
|
||
alias_exp.next = exp->next;
|
||
n = make_one_lib_file (&alias_exp, i + PREFIX_ALIAS_BASE, delay);
|
||
n->archive_next = head;
|
||
head = n;
|
||
}
|
||
}
|
||
|
||
/* Now stick them all into the archive. */
|
||
ar_head->archive_next = head;
|
||
ar_tail->archive_next = ar_head;
|
||
head = ar_tail;
|
||
|
||
if (! bfd_set_archive_head (outarch, head))
|
||
bfd_fatal ("bfd_set_archive_head");
|
||
|
||
if (! bfd_close (outarch))
|
||
bfd_fatal (imp_name);
|
||
|
||
while (head != NULL)
|
||
{
|
||
bfd *n = head->archive_next;
|
||
bfd_close (head);
|
||
head = n;
|
||
}
|
||
|
||
/* Delete all the temp files. */
|
||
unlink_temp_files ();
|
||
|
||
if (dontdeltemps < 2)
|
||
{
|
||
char *name = TMP_STUB;
|
||
size_t name_len = strlen (name);
|
||
|
||
for (i = 0; (exp = d_exports_lexically[i]); i++)
|
||
{
|
||
/* Don't delete non-existent stubs for PRIVATE entries. */
|
||
if (exp->private)
|
||
continue;
|
||
sprintf (name + name_len - 7, "%05d.o", i);
|
||
if (unlink (name) < 0)
|
||
/* xgettext:c-format */
|
||
non_fatal (_("cannot delete %s: %s"), name, strerror (errno));
|
||
if (ext_prefix_alias)
|
||
{
|
||
sprintf (name + name_len - 7, "%05d.o", i + PREFIX_ALIAS_BASE);
|
||
if (unlink (name) < 0)
|
||
/* xgettext:c-format */
|
||
non_fatal (_("cannot delete %s: %s"), name, strerror (errno));
|
||
}
|
||
}
|
||
}
|
||
|
||
inform (_("Created lib file"));
|
||
}
|
||
|
||
/* Append a copy of data (cast to char *) to list. */
|
||
|
||
static void
|
||
dll_name_list_append (dll_name_list_type * list, bfd_byte * data)
|
||
{
|
||
dll_name_list_node_type * entry;
|
||
|
||
/* Error checking. */
|
||
if (! list || ! list->tail)
|
||
return;
|
||
|
||
/* Allocate new node. */
|
||
entry = ((dll_name_list_node_type *)
|
||
xmalloc (sizeof (dll_name_list_node_type)));
|
||
|
||
/* Initialize its values. */
|
||
entry->dllname = xstrdup ((char *) data);
|
||
entry->next = NULL;
|
||
|
||
/* Add to tail, and move tail. */
|
||
list->tail->next = entry;
|
||
list->tail = entry;
|
||
}
|
||
|
||
/* Count the number of entries in list. */
|
||
|
||
static int
|
||
dll_name_list_count (dll_name_list_type * list)
|
||
{
|
||
dll_name_list_node_type * p;
|
||
int count = 0;
|
||
|
||
/* Error checking. */
|
||
if (! list || ! list->head)
|
||
return 0;
|
||
|
||
p = list->head;
|
||
|
||
while (p && p->next)
|
||
{
|
||
count++;
|
||
p = p->next;
|
||
}
|
||
return count;
|
||
}
|
||
|
||
/* Print each entry in list to stdout. */
|
||
|
||
static void
|
||
dll_name_list_print (dll_name_list_type * list)
|
||
{
|
||
dll_name_list_node_type * p;
|
||
|
||
/* Error checking. */
|
||
if (! list || ! list->head)
|
||
return;
|
||
|
||
p = list->head;
|
||
|
||
while (p && p->next && p->next->dllname && *p->next->dllname)
|
||
{
|
||
printf ("%s\n", p->next->dllname);
|
||
p = p->next;
|
||
}
|
||
}
|
||
|
||
/* Free all entries in list, and list itself. */
|
||
|
||
static void
|
||
dll_name_list_free (dll_name_list_type * list)
|
||
{
|
||
if (list)
|
||
{
|
||
dll_name_list_free_contents (list->head);
|
||
list->head = NULL;
|
||
list->tail = NULL;
|
||
free (list);
|
||
}
|
||
}
|
||
|
||
/* Recursive function to free all nodes entry->next->next...
|
||
as well as entry itself. */
|
||
|
||
static void
|
||
dll_name_list_free_contents (dll_name_list_node_type * entry)
|
||
{
|
||
if (entry)
|
||
{
|
||
if (entry->next)
|
||
dll_name_list_free_contents (entry->next);
|
||
free (entry->dllname);
|
||
free (entry);
|
||
}
|
||
}
|
||
|
||
/* Allocate and initialize a dll_name_list_type object,
|
||
including its sentinel node. Caller is responsible
|
||
for calling dll_name_list_free when finished with
|
||
the list. */
|
||
|
||
static dll_name_list_type *
|
||
dll_name_list_create (void)
|
||
{
|
||
/* Allocate list. */
|
||
dll_name_list_type * list = xmalloc (sizeof (dll_name_list_type));
|
||
|
||
/* Allocate and initialize sentinel node. */
|
||
list->head = xmalloc (sizeof (dll_name_list_node_type));
|
||
list->head->dllname = NULL;
|
||
list->head->next = NULL;
|
||
|
||
/* Bookkeeping for empty list. */
|
||
list->tail = list->head;
|
||
|
||
return list;
|
||
}
|
||
|
||
/* Search the symbol table of the suppled BFD for a symbol whose name matches
|
||
OBJ (where obj is cast to const char *). If found, set global variable
|
||
identify_member_contains_symname_result TRUE. It is the caller's
|
||
responsibility to set the result variable FALSE before iterating with
|
||
this function. */
|
||
|
||
static void
|
||
identify_member_contains_symname (bfd * abfd,
|
||
bfd * archive_bfd ATTRIBUTE_UNUSED,
|
||
void * obj)
|
||
{
|
||
long storage_needed;
|
||
asymbol ** symbol_table;
|
||
long number_of_symbols;
|
||
long i;
|
||
symname_search_data_type * search_data = (symname_search_data_type *) obj;
|
||
|
||
/* If we already found the symbol in a different member,
|
||
short circuit. */
|
||
if (search_data->found)
|
||
return;
|
||
|
||
storage_needed = bfd_get_symtab_upper_bound (abfd);
|
||
if (storage_needed <= 0)
|
||
return;
|
||
|
||
symbol_table = xmalloc (storage_needed);
|
||
number_of_symbols = bfd_canonicalize_symtab (abfd, symbol_table);
|
||
if (number_of_symbols < 0)
|
||
{
|
||
free (symbol_table);
|
||
return;
|
||
}
|
||
|
||
for (i = 0; i < number_of_symbols; i++)
|
||
{
|
||
if (strncmp (symbol_table[i]->name,
|
||
search_data->symname,
|
||
strlen (search_data->symname)) == 0)
|
||
{
|
||
search_data->found = true;
|
||
break;
|
||
}
|
||
}
|
||
free (symbol_table);
|
||
}
|
||
|
||
/* This is the main implementation for the --identify option.
|
||
Given the name of an import library in identify_imp_name, first
|
||
determine if the import library is a GNU binutils-style one (where
|
||
the DLL name is stored in an .idata$7 section), or if it is a
|
||
MS-style one (where the DLL name, along with much other data, is
|
||
stored in the .idata$6 section). We determine the style of import
|
||
library by searching for the DLL-structure symbol inserted by MS
|
||
tools: __NULL_IMPORT_DESCRIPTOR.
|
||
|
||
Once we know which section to search, evaluate each section for the
|
||
appropriate properties that indicate it may contain the name of the
|
||
associated DLL (this differs depending on the style). Add the contents
|
||
of all sections which meet the criteria to a linked list of dll names.
|
||
|
||
Finally, print them all to stdout. (If --identify-strict, an error is
|
||
reported if more than one match was found). */
|
||
|
||
static void
|
||
identify_dll_for_implib (void)
|
||
{
|
||
bfd * abfd = NULL;
|
||
int count = 0;
|
||
identify_data_type identify_data;
|
||
symname_search_data_type search_data;
|
||
|
||
/* Initialize identify_data. */
|
||
identify_data.list = dll_name_list_create ();
|
||
identify_data.ms_style_implib = false;
|
||
|
||
/* Initialize search_data. */
|
||
search_data.symname = "__NULL_IMPORT_DESCRIPTOR";
|
||
search_data.found = false;
|
||
|
||
if (bfd_init () != BFD_INIT_MAGIC)
|
||
fatal (_("fatal error: libbfd ABI mismatch"));
|
||
|
||
abfd = bfd_openr (identify_imp_name, 0);
|
||
if (abfd == NULL)
|
||
/* xgettext:c-format */
|
||
fatal (_("Can't open .lib file: %s: %s"),
|
||
identify_imp_name, bfd_get_errmsg ());
|
||
|
||
if (! bfd_check_format (abfd, bfd_archive))
|
||
{
|
||
if (! bfd_close (abfd))
|
||
bfd_fatal (identify_imp_name);
|
||
|
||
fatal (_("%s is not a library"), identify_imp_name);
|
||
}
|
||
|
||
/* Detect if this a Microsoft import library. */
|
||
identify_search_archive (abfd,
|
||
identify_member_contains_symname,
|
||
(void *) &search_data);
|
||
if (search_data.found)
|
||
identify_data.ms_style_implib = true;
|
||
|
||
/* Rewind the bfd. */
|
||
if (! bfd_close (abfd))
|
||
bfd_fatal (identify_imp_name);
|
||
abfd = bfd_openr (identify_imp_name, 0);
|
||
if (abfd == NULL)
|
||
bfd_fatal (identify_imp_name);
|
||
|
||
if (!bfd_check_format (abfd, bfd_archive))
|
||
{
|
||
if (!bfd_close (abfd))
|
||
bfd_fatal (identify_imp_name);
|
||
|
||
fatal (_("%s is not a library"), identify_imp_name);
|
||
}
|
||
|
||
/* Now search for the dll name. */
|
||
identify_search_archive (abfd,
|
||
identify_search_member,
|
||
(void *) &identify_data);
|
||
|
||
if (! bfd_close (abfd))
|
||
bfd_fatal (identify_imp_name);
|
||
|
||
count = dll_name_list_count (identify_data.list);
|
||
if (count > 0)
|
||
{
|
||
if (identify_strict && count > 1)
|
||
{
|
||
dll_name_list_free (identify_data.list);
|
||
identify_data.list = NULL;
|
||
fatal (_("Import library `%s' specifies two or more dlls"),
|
||
identify_imp_name);
|
||
}
|
||
dll_name_list_print (identify_data.list);
|
||
dll_name_list_free (identify_data.list);
|
||
identify_data.list = NULL;
|
||
}
|
||
else
|
||
{
|
||
dll_name_list_free (identify_data.list);
|
||
identify_data.list = NULL;
|
||
fatal (_("Unable to determine dll name for `%s' (not an import library?)"),
|
||
identify_imp_name);
|
||
}
|
||
}
|
||
|
||
/* Loop over all members of the archive, applying the supplied function to
|
||
each member that is a bfd_object. The function will be called as if:
|
||
func (member_bfd, abfd, user_storage) */
|
||
|
||
static void
|
||
identify_search_archive (bfd * abfd,
|
||
void (* operation) (bfd *, bfd *, void *),
|
||
void * user_storage)
|
||
{
|
||
bfd * arfile = NULL;
|
||
bfd * last_arfile = NULL;
|
||
char ** matching;
|
||
|
||
while (1)
|
||
{
|
||
arfile = bfd_openr_next_archived_file (abfd, arfile);
|
||
|
||
if (arfile == NULL)
|
||
{
|
||
if (bfd_get_error () != bfd_error_no_more_archived_files)
|
||
bfd_fatal (bfd_get_filename (abfd));
|
||
break;
|
||
}
|
||
|
||
if (bfd_check_format_matches (arfile, bfd_object, &matching))
|
||
(*operation) (arfile, abfd, user_storage);
|
||
else
|
||
{
|
||
bfd_nonfatal (bfd_get_filename (arfile));
|
||
free (matching);
|
||
}
|
||
|
||
if (last_arfile != NULL)
|
||
{
|
||
bfd_close (last_arfile);
|
||
/* PR 17512: file: 8b2168d4. */
|
||
if (last_arfile == arfile)
|
||
{
|
||
last_arfile = NULL;
|
||
break;
|
||
}
|
||
}
|
||
|
||
last_arfile = arfile;
|
||
}
|
||
|
||
if (last_arfile != NULL)
|
||
{
|
||
bfd_close (last_arfile);
|
||
}
|
||
}
|
||
|
||
/* Call the identify_search_section() function for each section of this
|
||
archive member. */
|
||
|
||
static void
|
||
identify_search_member (bfd *abfd,
|
||
bfd *archive_bfd ATTRIBUTE_UNUSED,
|
||
void *obj)
|
||
{
|
||
bfd_map_over_sections (abfd, identify_search_section, obj);
|
||
}
|
||
|
||
/* This predicate returns true if section->name matches the desired value.
|
||
By default, this is .idata$7 (.idata$6 if the import library is
|
||
ms-style). */
|
||
|
||
static bool
|
||
identify_process_section_p (asection * section, bool ms_style_implib)
|
||
{
|
||
static const char * SECTION_NAME = ".idata$7";
|
||
static const char * MS_SECTION_NAME = ".idata$6";
|
||
|
||
const char * section_name =
|
||
(ms_style_implib ? MS_SECTION_NAME : SECTION_NAME);
|
||
|
||
if (strcmp (section_name, section->name) == 0)
|
||
return true;
|
||
return false;
|
||
}
|
||
|
||
/* If *section has contents and its name is .idata$7 (.idata$6 if
|
||
import lib ms-generated) -- and it satisfies several other constraints
|
||
-- then add the contents of the section to obj->list. */
|
||
|
||
static void
|
||
identify_search_section (bfd * abfd, asection * section, void * obj)
|
||
{
|
||
bfd_byte *data = 0;
|
||
bfd_size_type datasize;
|
||
identify_data_type * identify_data = (identify_data_type *)obj;
|
||
bool ms_style = identify_data->ms_style_implib;
|
||
|
||
if ((section->flags & SEC_HAS_CONTENTS) == 0)
|
||
return;
|
||
|
||
if (! identify_process_section_p (section, ms_style))
|
||
return;
|
||
|
||
/* Binutils import libs seem distinguish the .idata$7 section that contains
|
||
the DLL name from other .idata$7 sections by the absence of the
|
||
SEC_RELOC flag. */
|
||
if (!ms_style && ((section->flags & SEC_RELOC) == SEC_RELOC))
|
||
return;
|
||
|
||
/* MS import libs seem to distinguish the .idata$6 section
|
||
that contains the DLL name from other .idata$6 sections
|
||
by the presence of the SEC_DATA flag. */
|
||
if (ms_style && ((section->flags & SEC_DATA) == 0))
|
||
return;
|
||
|
||
if ((datasize = bfd_section_size (section)) == 0)
|
||
return;
|
||
|
||
data = (bfd_byte *) xmalloc (datasize + 1);
|
||
data[0] = '\0';
|
||
|
||
bfd_get_section_contents (abfd, section, data, 0, datasize);
|
||
data[datasize] = '\0';
|
||
|
||
/* Use a heuristic to determine if data is a dll name.
|
||
Possible to defeat this if (a) the library has MANY
|
||
(more than 0x302f) imports, (b) it is an ms-style
|
||
import library, but (c) it is buggy, in that the SEC_DATA
|
||
flag is set on the "wrong" sections. This heuristic might
|
||
also fail to record a valid dll name if the dllname uses
|
||
a multibyte or unicode character set (is that valid?).
|
||
|
||
This heuristic is based on the fact that symbols names in
|
||
the chosen section -- as opposed to the dll name -- begin
|
||
at offset 2 in the data. The first two bytes are a 16bit
|
||
little-endian count, and start at 0x0000. However, the dll
|
||
name begins at offset 0 in the data. We assume that the
|
||
dll name does not contain unprintable characters. */
|
||
if (data[0] != '\0' && ISPRINT (data[0])
|
||
&& (datasize < 2 || ISPRINT (data[1])))
|
||
dll_name_list_append (identify_data->list, data);
|
||
|
||
free (data);
|
||
}
|
||
|
||
/* Run through the information gathered from the .o files and the
|
||
.def file and work out the best stuff. */
|
||
|
||
static int
|
||
pfunc (const void *a, const void *b)
|
||
{
|
||
export_type *ap = *(export_type **) a;
|
||
export_type *bp = *(export_type **) b;
|
||
|
||
if (ap->ordinal == bp->ordinal)
|
||
return 0;
|
||
|
||
/* Unset ordinals go to the bottom. */
|
||
if (ap->ordinal == -1)
|
||
return 1;
|
||
if (bp->ordinal == -1)
|
||
return -1;
|
||
return (ap->ordinal - bp->ordinal);
|
||
}
|
||
|
||
static int
|
||
nfunc (const void *a, const void *b)
|
||
{
|
||
export_type *ap = *(export_type **) a;
|
||
export_type *bp = *(export_type **) b;
|
||
const char *an = ap->name;
|
||
const char *bn = bp->name;
|
||
if (ap->its_name)
|
||
an = ap->its_name;
|
||
if (bp->its_name)
|
||
an = bp->its_name;
|
||
if (killat)
|
||
{
|
||
an = (an[0] == '@') ? an + 1 : an;
|
||
bn = (bn[0] == '@') ? bn + 1 : bn;
|
||
}
|
||
|
||
return (strcmp (an, bn));
|
||
}
|
||
|
||
static void
|
||
remove_null_names (export_type **ptr)
|
||
{
|
||
int src;
|
||
int dst;
|
||
|
||
for (dst = src = 0; src < d_nfuncs; src++)
|
||
{
|
||
if (ptr[src])
|
||
{
|
||
ptr[dst] = ptr[src];
|
||
dst++;
|
||
}
|
||
}
|
||
d_nfuncs = dst;
|
||
}
|
||
|
||
static void
|
||
process_duplicates (export_type **d_export_vec)
|
||
{
|
||
int more = 1;
|
||
int i;
|
||
|
||
while (more)
|
||
{
|
||
more = 0;
|
||
/* Remove duplicates. */
|
||
qsort (d_export_vec, d_nfuncs, sizeof (export_type *), nfunc);
|
||
|
||
for (i = 0; i < d_nfuncs - 1; i++)
|
||
{
|
||
if (strcmp (d_export_vec[i]->name,
|
||
d_export_vec[i + 1]->name) == 0)
|
||
{
|
||
export_type *a = d_export_vec[i];
|
||
export_type *b = d_export_vec[i + 1];
|
||
|
||
more = 1;
|
||
|
||
/* xgettext:c-format */
|
||
inform (_("Warning, ignoring duplicate EXPORT %s %d,%d"),
|
||
a->name, a->ordinal, b->ordinal);
|
||
|
||
if (a->ordinal != -1
|
||
&& b->ordinal != -1)
|
||
/* xgettext:c-format */
|
||
fatal (_("Error, duplicate EXPORT with ordinals: %s"),
|
||
a->name);
|
||
|
||
/* Merge attributes. */
|
||
b->ordinal = a->ordinal > 0 ? a->ordinal : b->ordinal;
|
||
b->constant |= a->constant;
|
||
b->noname |= a->noname;
|
||
b->data |= a->data;
|
||
d_export_vec[i] = 0;
|
||
}
|
||
|
||
remove_null_names (d_export_vec);
|
||
}
|
||
}
|
||
|
||
/* Count the names. */
|
||
for (i = 0; i < d_nfuncs; i++)
|
||
if (!d_export_vec[i]->noname)
|
||
d_named_nfuncs++;
|
||
}
|
||
|
||
static void
|
||
fill_ordinals (export_type **d_export_vec)
|
||
{
|
||
int lowest = -1;
|
||
int i;
|
||
char *ptr;
|
||
int size = 65536;
|
||
|
||
qsort (d_export_vec, d_nfuncs, sizeof (export_type *), pfunc);
|
||
|
||
/* Fill in the unset ordinals with ones from our range. */
|
||
ptr = (char *) xmalloc (size);
|
||
|
||
memset (ptr, 0, size);
|
||
|
||
/* Mark in our large vector all the numbers that are taken. */
|
||
for (i = 0; i < d_nfuncs; i++)
|
||
{
|
||
if (d_export_vec[i]->ordinal != -1)
|
||
{
|
||
ptr[d_export_vec[i]->ordinal] = 1;
|
||
|
||
if (lowest == -1 || d_export_vec[i]->ordinal < lowest)
|
||
lowest = d_export_vec[i]->ordinal;
|
||
}
|
||
}
|
||
|
||
/* Start at 1 for compatibility with MS toolchain. */
|
||
if (lowest == -1)
|
||
lowest = 1;
|
||
|
||
/* Now fill in ordinals where the user wants us to choose. */
|
||
for (i = 0; i < d_nfuncs; i++)
|
||
{
|
||
if (d_export_vec[i]->ordinal == -1)
|
||
{
|
||
int j;
|
||
|
||
/* First try within or after any user supplied range. */
|
||
for (j = lowest; j < size; j++)
|
||
if (ptr[j] == 0)
|
||
{
|
||
ptr[j] = 1;
|
||
d_export_vec[i]->ordinal = j;
|
||
goto done;
|
||
}
|
||
|
||
/* Then try before the range. */
|
||
for (j = lowest; j >0; j--)
|
||
if (ptr[j] == 0)
|
||
{
|
||
ptr[j] = 1;
|
||
d_export_vec[i]->ordinal = j;
|
||
goto done;
|
||
}
|
||
done:;
|
||
}
|
||
}
|
||
|
||
free (ptr);
|
||
|
||
/* And resort. */
|
||
qsort (d_export_vec, d_nfuncs, sizeof (export_type *), pfunc);
|
||
|
||
/* Work out the lowest and highest ordinal numbers. */
|
||
if (d_nfuncs)
|
||
{
|
||
if (d_export_vec[0])
|
||
d_low_ord = d_export_vec[0]->ordinal;
|
||
if (d_export_vec[d_nfuncs-1])
|
||
d_high_ord = d_export_vec[d_nfuncs-1]->ordinal;
|
||
}
|
||
}
|
||
|
||
static void
|
||
mangle_defs (void)
|
||
{
|
||
/* First work out the minimum ordinal chosen. */
|
||
export_type *exp;
|
||
|
||
int i;
|
||
int hint = 0;
|
||
export_type **d_export_vec = xmalloc (sizeof (export_type *) * d_nfuncs);
|
||
|
||
inform (_("Processing definitions"));
|
||
|
||
for (i = 0, exp = d_exports; exp; i++, exp = exp->next)
|
||
d_export_vec[i] = exp;
|
||
|
||
process_duplicates (d_export_vec);
|
||
fill_ordinals (d_export_vec);
|
||
|
||
/* Put back the list in the new order. */
|
||
d_exports = 0;
|
||
for (i = d_nfuncs - 1; i >= 0; i--)
|
||
{
|
||
d_export_vec[i]->next = d_exports;
|
||
d_exports = d_export_vec[i];
|
||
}
|
||
|
||
/* Build list in alpha order. */
|
||
d_exports_lexically = (export_type **)
|
||
xmalloc (sizeof (export_type *) * (d_nfuncs + 1));
|
||
|
||
for (i = 0, exp = d_exports; exp; i++, exp = exp->next)
|
||
d_exports_lexically[i] = exp;
|
||
|
||
d_exports_lexically[i] = 0;
|
||
|
||
qsort (d_exports_lexically, i, sizeof (export_type *), nfunc);
|
||
|
||
/* Fill exp entries with their hint values. */
|
||
for (i = 0; i < d_nfuncs; i++)
|
||
if (!d_exports_lexically[i]->noname || show_allnames)
|
||
d_exports_lexically[i]->hint = hint++;
|
||
|
||
inform (_("Processed definitions"));
|
||
}
|
||
|
||
static void
|
||
usage (FILE *file, int status)
|
||
{
|
||
/* xgetext:c-format */
|
||
fprintf (file, _("Usage %s <option(s)> <object-file(s)>\n"), program_name);
|
||
/* xgetext:c-format */
|
||
fprintf (file, _(" -m --machine <machine> Create as DLL for <machine>. [default: %s]\n"), mname);
|
||
fprintf (file, _(" possible <machine>: arm[_interwork], arm64, i386, mcore[-elf]{-le|-be}, thumb\n"));
|
||
fprintf (file, _(" -e --output-exp <outname> Generate an export file.\n"));
|
||
fprintf (file, _(" -l --output-lib <outname> Generate an interface library.\n"));
|
||
fprintf (file, _(" -y --output-delaylib <outname> Create a delay-import library.\n"));
|
||
fprintf (file, _(" --deterministic-libraries\n"));
|
||
if (DEFAULT_AR_DETERMINISTIC)
|
||
fprintf (file, _(" Use zero for timestamps and uids/gids in output libraries (default)\n"));
|
||
else
|
||
fprintf (file, _(" Use zero for timestamps and uids/gids in output libraries\n"));
|
||
fprintf (file, _(" --non-deterministic-libraries\n"));
|
||
if (DEFAULT_AR_DETERMINISTIC)
|
||
fprintf (file, _(" Use actual timestamps and uids/gids in output libraries\n"));
|
||
else
|
||
fprintf (file, _(" Use actual timestamps and uids/gids in output libraries (default)\n"));
|
||
fprintf (file, _(" -a --add-indirect Add dll indirects to export file.\n"));
|
||
fprintf (file, _(" -D --dllname <name> Name of input dll to put into interface lib.\n"));
|
||
fprintf (file, _(" -d --input-def <deffile> Name of .def file to be read in.\n"));
|
||
fprintf (file, _(" -z --output-def <deffile> Name of .def file to be created.\n"));
|
||
fprintf (file, _(" --export-all-symbols Export all symbols to .def\n"));
|
||
fprintf (file, _(" --no-export-all-symbols Only export listed symbols\n"));
|
||
fprintf (file, _(" --exclude-symbols <list> Don't export <list>\n"));
|
||
fprintf (file, _(" --no-default-excludes Clear default exclude symbols\n"));
|
||
fprintf (file, _(" -b --base-file <basefile> Read linker generated base file.\n"));
|
||
fprintf (file, _(" -x --no-idata4 Don't generate idata$4 section.\n"));
|
||
fprintf (file, _(" -c --no-idata5 Don't generate idata$5 section.\n"));
|
||
fprintf (file, _(" --use-nul-prefixed-import-tables Use zero prefixed idata$4 and idata$5.\n"));
|
||
fprintf (file, _(" -U --add-underscore Add underscores to all symbols in interface library.\n"));
|
||
fprintf (file, _(" --add-stdcall-underscore Add underscores to stdcall symbols in interface library.\n"));
|
||
fprintf (file, _(" --no-leading-underscore All symbols shouldn't be prefixed by an underscore.\n"));
|
||
fprintf (file, _(" --leading-underscore All symbols should be prefixed by an underscore.\n"));
|
||
fprintf (file, _(" -k --kill-at Kill @<n> from exported names.\n"));
|
||
fprintf (file, _(" -A --add-stdcall-alias Add aliases without @<n>.\n"));
|
||
fprintf (file, _(" -p --ext-prefix-alias <prefix> Add aliases with <prefix>.\n"));
|
||
fprintf (file, _(" -S --as <name> Use <name> for assembler.\n"));
|
||
fprintf (file, _(" -f --as-flags <flags> Pass <flags> to the assembler.\n"));
|
||
fprintf (file, _(" -C --compat-implib Create backward compatible import library.\n"));
|
||
fprintf (file, _(" -n --no-delete Keep temp files (repeat for extra preservation).\n"));
|
||
fprintf (file, _(" -t --temp-prefix <prefix> Use <prefix> to construct temp file names.\n"));
|
||
fprintf (file, _(" -I --identify <implib> Report the name of the DLL associated with <implib>.\n"));
|
||
fprintf (file, _(" --identify-strict Causes --identify to report error when multiple DLLs.\n"));
|
||
fprintf (file, _(" -v --verbose Be verbose.\n"));
|
||
fprintf (file, _(" -V --version Display the program version.\n"));
|
||
fprintf (file, _(" -h --help Display this information.\n"));
|
||
fprintf (file, _(" @<file> Read options from <file>.\n"));
|
||
#ifdef DLLTOOL_MCORE_ELF
|
||
fprintf (file, _(" -M --mcore-elf <outname> Process mcore-elf object files into <outname>.\n"));
|
||
fprintf (file, _(" -L --linker <name> Use <name> as the linker.\n"));
|
||
fprintf (file, _(" -F --linker-flags <flags> Pass <flags> to the linker.\n"));
|
||
#endif
|
||
if (REPORT_BUGS_TO[0] && status == 0)
|
||
fprintf (file, _("Report bugs to %s\n"), REPORT_BUGS_TO);
|
||
exit (status);
|
||
}
|
||
|
||
/* 150 isn't special; it's just an arbitrary non-ASCII char value. */
|
||
enum command_line_switch
|
||
{
|
||
OPTION_EXPORT_ALL_SYMS = 150,
|
||
OPTION_NO_EXPORT_ALL_SYMS,
|
||
OPTION_EXCLUDE_SYMS,
|
||
OPTION_NO_DEFAULT_EXCLUDES,
|
||
OPTION_ADD_STDCALL_UNDERSCORE,
|
||
OPTION_USE_NUL_PREFIXED_IMPORT_TABLES,
|
||
OPTION_IDENTIFY_STRICT,
|
||
OPTION_NO_LEADING_UNDERSCORE,
|
||
OPTION_LEADING_UNDERSCORE,
|
||
OPTION_DETERMINISTIC_LIBRARIES,
|
||
OPTION_NON_DETERMINISTIC_LIBRARIES
|
||
};
|
||
|
||
static const struct option long_options[] =
|
||
{
|
||
{"add-indirect", no_argument, NULL, 'a'},
|
||
{"add-stdcall-alias", no_argument, NULL, 'A'},
|
||
{"add-stdcall-underscore", no_argument, NULL, OPTION_ADD_STDCALL_UNDERSCORE},
|
||
{"add-underscore", no_argument, NULL, 'U'},
|
||
{"as", required_argument, NULL, 'S'},
|
||
{"as-flags", required_argument, NULL, 'f'},
|
||
{"base-file", required_argument, NULL, 'b'},
|
||
{"compat-implib", no_argument, NULL, 'C'},
|
||
{"def", required_argument, NULL, 'd'}, /* For compatibility with older versions. */
|
||
{"deterministic-libraries", no_argument, NULL, OPTION_DETERMINISTIC_LIBRARIES},
|
||
{"dllname", required_argument, NULL, 'D'},
|
||
{"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMS},
|
||
{"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL_SYMS},
|
||
{"ext-prefix-alias", required_argument, NULL, 'p'},
|
||
{"help", no_argument, NULL, 'h'},
|
||
{"identify", required_argument, NULL, 'I'},
|
||
{"identify-strict", no_argument, NULL, OPTION_IDENTIFY_STRICT},
|
||
{"input-def", required_argument, NULL, 'd'},
|
||
{"kill-at", no_argument, NULL, 'k'},
|
||
{"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE},
|
||
{"machine", required_argument, NULL, 'm'},
|
||
{"mcore-elf", required_argument, NULL, 'M'},
|
||
{"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
|
||
{"no-delete", no_argument, NULL, 'n'},
|
||
{"no-export-all-symbols", no_argument, NULL, OPTION_NO_EXPORT_ALL_SYMS},
|
||
{"no-idata4", no_argument, NULL, 'x'},
|
||
{"no-idata5", no_argument, NULL, 'c'},
|
||
{"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE},
|
||
{"non-deterministic-libraries", no_argument, NULL, OPTION_NON_DETERMINISTIC_LIBRARIES},
|
||
{"output-def", required_argument, NULL, 'z'},
|
||
{"output-delaylib", required_argument, NULL, 'y'},
|
||
{"output-exp", required_argument, NULL, 'e'},
|
||
{"output-lib", required_argument, NULL, 'l'},
|
||
{"temp-prefix", required_argument, NULL, 't'},
|
||
{"use-nul-prefixed-import-tables", no_argument, NULL, OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
|
||
{"verbose", no_argument, NULL, 'v'},
|
||
{"version", no_argument, NULL, 'V'},
|
||
{NULL,0,NULL,0}
|
||
};
|
||
|
||
int main (int, char **);
|
||
|
||
int
|
||
main (int ac, char **av)
|
||
{
|
||
int c;
|
||
int i;
|
||
char *firstarg = 0;
|
||
program_name = av[0];
|
||
oav = av;
|
||
|
||
#ifdef HAVE_LC_MESSAGES
|
||
setlocale (LC_MESSAGES, "");
|
||
#endif
|
||
setlocale (LC_CTYPE, "");
|
||
bindtextdomain (PACKAGE, LOCALEDIR);
|
||
textdomain (PACKAGE);
|
||
|
||
bfd_set_error_program_name (program_name);
|
||
expandargv (&ac, &av);
|
||
|
||
while ((c = getopt_long (ac, av,
|
||
#ifdef DLLTOOL_MCORE_ELF
|
||
"m:e:l:aD:d:z:b:xp:cCuUkAS:t:f:nI:vVHhM:L:F:",
|
||
#else
|
||
"m:e:l:y:aD:d:z:b:xp:cCuUkAS:t:f:nI:vVHh",
|
||
#endif
|
||
long_options, 0))
|
||
!= EOF)
|
||
{
|
||
switch (c)
|
||
{
|
||
case OPTION_EXPORT_ALL_SYMS:
|
||
export_all_symbols = true;
|
||
break;
|
||
case OPTION_NO_EXPORT_ALL_SYMS:
|
||
export_all_symbols = false;
|
||
break;
|
||
case OPTION_EXCLUDE_SYMS:
|
||
add_excludes (optarg);
|
||
break;
|
||
case OPTION_NO_DEFAULT_EXCLUDES:
|
||
do_default_excludes = false;
|
||
break;
|
||
case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
|
||
use_nul_prefixed_import_tables = true;
|
||
break;
|
||
case OPTION_ADD_STDCALL_UNDERSCORE:
|
||
add_stdcall_underscore = 1;
|
||
break;
|
||
case OPTION_NO_LEADING_UNDERSCORE:
|
||
leading_underscore = "";
|
||
break;
|
||
case OPTION_LEADING_UNDERSCORE:
|
||
leading_underscore = "_";
|
||
break;
|
||
case OPTION_IDENTIFY_STRICT:
|
||
identify_strict = 1;
|
||
break;
|
||
case 'x':
|
||
no_idata4 = 1;
|
||
break;
|
||
case 'c':
|
||
no_idata5 = 1;
|
||
break;
|
||
case 'S':
|
||
as_name = optarg;
|
||
break;
|
||
case 't':
|
||
tmp_prefix = optarg;
|
||
break;
|
||
case 'f':
|
||
as_flags = optarg;
|
||
break;
|
||
|
||
/* Ignored for compatibility. */
|
||
case 'u':
|
||
break;
|
||
case 'a':
|
||
add_indirect = 1;
|
||
break;
|
||
case 'z':
|
||
output_def = fopen (optarg, FOPEN_WT);
|
||
if (!output_def)
|
||
/* xgettext:c-format */
|
||
fatal (_("Unable to open def-file: %s"), optarg);
|
||
break;
|
||
case 'D':
|
||
dll_name = (char*) lbasename (optarg);
|
||
if (dll_name != optarg)
|
||
non_fatal (_("Path components stripped from dllname, '%s'."),
|
||
optarg);
|
||
break;
|
||
case 'l':
|
||
imp_name = optarg;
|
||
break;
|
||
case 'e':
|
||
exp_name = optarg;
|
||
break;
|
||
case 'H':
|
||
case 'h':
|
||
usage (stdout, 0);
|
||
break;
|
||
case 'm':
|
||
mname = optarg;
|
||
break;
|
||
case 'I':
|
||
identify_imp_name = optarg;
|
||
break;
|
||
case 'v':
|
||
verbose = 1;
|
||
break;
|
||
case 'V':
|
||
print_version (program_name);
|
||
break;
|
||
case 'U':
|
||
add_underscore = 1;
|
||
break;
|
||
case 'k':
|
||
killat = 1;
|
||
break;
|
||
case 'A':
|
||
add_stdcall_alias = 1;
|
||
break;
|
||
case 'p':
|
||
ext_prefix_alias = optarg;
|
||
break;
|
||
case 'd':
|
||
def_file = optarg;
|
||
break;
|
||
case 'n':
|
||
dontdeltemps++;
|
||
break;
|
||
case 'b':
|
||
base_file = fopen (optarg, FOPEN_RB);
|
||
|
||
if (!base_file)
|
||
/* xgettext:c-format */
|
||
fatal (_("Unable to open base-file: %s"), optarg);
|
||
|
||
break;
|
||
#ifdef DLLTOOL_MCORE_ELF
|
||
case 'M':
|
||
mcore_elf_out_file = optarg;
|
||
break;
|
||
case 'L':
|
||
mcore_elf_linker = optarg;
|
||
break;
|
||
case 'F':
|
||
mcore_elf_linker_flags = optarg;
|
||
break;
|
||
#endif
|
||
case 'C':
|
||
create_compat_implib = 1;
|
||
break;
|
||
case 'y':
|
||
delayimp_name = optarg;
|
||
break;
|
||
case OPTION_DETERMINISTIC_LIBRARIES:
|
||
deterministic = true;
|
||
break;
|
||
case OPTION_NON_DETERMINISTIC_LIBRARIES:
|
||
deterministic = false;
|
||
break;
|
||
default:
|
||
usage (stderr, 1);
|
||
break;
|
||
}
|
||
}
|
||
|
||
for (i = 0; mtable[i].type; i++)
|
||
if (strcmp (mtable[i].type, mname) == 0)
|
||
break;
|
||
|
||
if (!mtable[i].type)
|
||
/* xgettext:c-format */
|
||
fatal (_("Machine '%s' not supported"), mname);
|
||
|
||
machine = i;
|
||
|
||
/* Check if we generated PE+. */
|
||
create_for_pep = (strcmp (mname, "i386:x86-64") == 0
|
||
|| strcmp (mname, "arm64") == 0);
|
||
|
||
/* Check the default underscore */
|
||
if (leading_underscore == NULL)
|
||
{
|
||
int u;
|
||
static char underscore[2];
|
||
bfd_get_target_info (mtable[machine].how_bfd_target, NULL,
|
||
NULL, &u, NULL);
|
||
if (u == -1)
|
||
u = 0;
|
||
underscore[0] = u;
|
||
underscore[1] = 0;
|
||
leading_underscore = underscore;
|
||
}
|
||
|
||
if (!dll_name && exp_name)
|
||
{
|
||
/* If we are inferring dll_name from exp_name,
|
||
strip off any path components, without emitting
|
||
a warning. */
|
||
const char* exp_basename = lbasename (exp_name);
|
||
const int len = strlen (exp_basename) + 5;
|
||
dll_name = xmalloc (len);
|
||
strcpy (dll_name, exp_basename);
|
||
strcat (dll_name, ".dll");
|
||
dll_name_set_by_exp_name = 1;
|
||
}
|
||
|
||
if (as_name == NULL)
|
||
as_name = deduce_name ("as");
|
||
|
||
/* Don't use the default exclude list if we're reading only the
|
||
symbols in the .drectve section. The default excludes are meant
|
||
to avoid exporting DLL entry point and Cygwin32 impure_ptr. */
|
||
if (! export_all_symbols)
|
||
do_default_excludes = false;
|
||
|
||
if (do_default_excludes)
|
||
set_default_excludes ();
|
||
|
||
if (def_file)
|
||
process_def_file (def_file);
|
||
|
||
while (optind < ac)
|
||
{
|
||
if (!firstarg)
|
||
firstarg = av[optind];
|
||
scan_obj_file (av[optind]);
|
||
optind++;
|
||
}
|
||
|
||
if (tmp_prefix == NULL)
|
||
{
|
||
/* If possible use a deterministic prefix. */
|
||
const char *input = imp_name ? imp_name : delayimp_name;
|
||
if (input && strlen (input) + sizeof ("_snnnnn.o") - 1 <= NAME_MAX)
|
||
{
|
||
tmp_prefix = xmalloc (strlen (input) + 2);
|
||
sprintf (tmp_prefix, "%s_", input);
|
||
for (i = 0; tmp_prefix[i]; i++)
|
||
if (!ISALNUM (tmp_prefix[i]))
|
||
tmp_prefix[i] = '_';
|
||
}
|
||
else
|
||
tmp_prefix = prefix_encode ("d", getpid ());
|
||
}
|
||
|
||
mangle_defs ();
|
||
|
||
if (exp_name)
|
||
gen_exp_file ();
|
||
|
||
if (imp_name)
|
||
{
|
||
/* Make imp_name safe for use as a label. */
|
||
char *p;
|
||
|
||
imp_name_lab = xstrdup (imp_name);
|
||
for (p = imp_name_lab; *p; p++)
|
||
{
|
||
if (!ISALNUM (*p))
|
||
*p = '_';
|
||
}
|
||
head_label = make_label("_head_", imp_name_lab);
|
||
gen_lib_file (0);
|
||
}
|
||
|
||
if (delayimp_name)
|
||
{
|
||
/* Make delayimp_name safe for use as a label. */
|
||
char *p;
|
||
|
||
if (mtable[machine].how_dljtab == 0)
|
||
{
|
||
inform (_("Warning, machine type (%d) not supported for "
|
||
"delayimport."), machine);
|
||
}
|
||
else
|
||
{
|
||
killat = 1;
|
||
imp_name = delayimp_name;
|
||
imp_name_lab = xstrdup (imp_name);
|
||
for (p = imp_name_lab; *p; p++)
|
||
{
|
||
if (!ISALNUM (*p))
|
||
*p = '_';
|
||
}
|
||
head_label = make_label("__tailMerge_", imp_name_lab);
|
||
gen_lib_file (1);
|
||
}
|
||
}
|
||
|
||
if (output_def)
|
||
gen_def_file ();
|
||
|
||
if (identify_imp_name)
|
||
{
|
||
identify_dll_for_implib ();
|
||
}
|
||
|
||
#ifdef DLLTOOL_MCORE_ELF
|
||
if (mcore_elf_out_file)
|
||
mcore_elf_gen_out_file ();
|
||
#endif
|
||
|
||
return 0;
|
||
}
|
||
|
||
/* Look for the program formed by concatenating PROG_NAME and the
|
||
string running from PREFIX to END_PREFIX. If the concatenated
|
||
string contains a '/', try appending EXECUTABLE_SUFFIX if it is
|
||
appropriate. */
|
||
|
||
static char *
|
||
look_for_prog (const char *prog_name, const char *prefix, int end_prefix)
|
||
{
|
||
struct stat s;
|
||
char *cmd;
|
||
|
||
cmd = xmalloc (strlen (prefix)
|
||
+ strlen (prog_name)
|
||
#ifdef HAVE_EXECUTABLE_SUFFIX
|
||
+ strlen (EXECUTABLE_SUFFIX)
|
||
#endif
|
||
+ 10);
|
||
memcpy (cmd, prefix, end_prefix);
|
||
|
||
strcpy (cmd + end_prefix, prog_name);
|
||
|
||
if (strchr (cmd, '/') != NULL)
|
||
{
|
||
int found;
|
||
|
||
found = (stat (cmd, &s) == 0
|
||
#ifdef HAVE_EXECUTABLE_SUFFIX
|
||
|| stat (strcat (cmd, EXECUTABLE_SUFFIX), &s) == 0
|
||
#endif
|
||
);
|
||
|
||
if (! found)
|
||
{
|
||
/* xgettext:c-format */
|
||
inform (_("Tried file: %s"), cmd);
|
||
free (cmd);
|
||
return NULL;
|
||
}
|
||
}
|
||
|
||
/* xgettext:c-format */
|
||
inform (_("Using file: %s"), cmd);
|
||
|
||
return cmd;
|
||
}
|
||
|
||
/* Deduce the name of the program we are want to invoke.
|
||
PROG_NAME is the basic name of the program we want to run,
|
||
eg "as" or "ld". The catch is that we might want actually
|
||
run "i386-pe-as".
|
||
|
||
If argv[0] contains the full path, then try to find the program
|
||
in the same place, with and then without a target-like prefix.
|
||
|
||
Given, argv[0] = /usr/local/bin/i586-cygwin32-dlltool,
|
||
deduce_name("as") uses the following search order:
|
||
|
||
/usr/local/bin/i586-cygwin32-as
|
||
/usr/local/bin/as
|
||
as
|
||
|
||
If there's an EXECUTABLE_SUFFIX, it'll use that as well; for each
|
||
name, it'll try without and then with EXECUTABLE_SUFFIX.
|
||
|
||
Given, argv[0] = i586-cygwin32-dlltool, it will not even try "as"
|
||
as the fallback, but rather return i586-cygwin32-as.
|
||
|
||
Oh, and given, argv[0] = dlltool, it'll return "as".
|
||
|
||
Returns a dynamically allocated string. */
|
||
|
||
static char *
|
||
deduce_name (const char *prog_name)
|
||
{
|
||
char *cmd;
|
||
char *dash, *slash, *cp;
|
||
|
||
dash = NULL;
|
||
slash = NULL;
|
||
for (cp = program_name; *cp != '\0'; ++cp)
|
||
{
|
||
if (*cp == '-')
|
||
dash = cp;
|
||
if (
|
||
#if defined(__DJGPP__) || defined (__CYGWIN__) || defined(__WIN32__)
|
||
*cp == ':' || *cp == '\\' ||
|
||
#endif
|
||
*cp == '/')
|
||
{
|
||
slash = cp;
|
||
dash = NULL;
|
||
}
|
||
}
|
||
|
||
cmd = NULL;
|
||
|
||
if (dash != NULL)
|
||
{
|
||
/* First, try looking for a prefixed PROG_NAME in the
|
||
PROGRAM_NAME directory, with the same prefix as PROGRAM_NAME. */
|
||
cmd = look_for_prog (prog_name, program_name, dash - program_name + 1);
|
||
}
|
||
|
||
if (slash != NULL && cmd == NULL)
|
||
{
|
||
/* Next, try looking for a PROG_NAME in the same directory as
|
||
that of this program. */
|
||
cmd = look_for_prog (prog_name, program_name, slash - program_name + 1);
|
||
}
|
||
|
||
if (cmd == NULL)
|
||
{
|
||
/* Just return PROG_NAME as is. */
|
||
cmd = xstrdup (prog_name);
|
||
}
|
||
|
||
return cmd;
|
||
}
|
||
|
||
#ifdef DLLTOOL_MCORE_ELF
|
||
typedef struct fname_cache
|
||
{
|
||
const char * filename;
|
||
struct fname_cache * next;
|
||
}
|
||
fname_cache;
|
||
|
||
static fname_cache fnames;
|
||
|
||
static void
|
||
mcore_elf_cache_filename (const char * filename)
|
||
{
|
||
fname_cache * ptr;
|
||
|
||
ptr = & fnames;
|
||
|
||
while (ptr->next != NULL)
|
||
ptr = ptr->next;
|
||
|
||
ptr->filename = filename;
|
||
ptr->next = (fname_cache *) malloc (sizeof (fname_cache));
|
||
if (ptr->next != NULL)
|
||
ptr->next->next = NULL;
|
||
}
|
||
|
||
#define MCORE_ELF_TMP_OBJ "mcoreelf.o"
|
||
#define MCORE_ELF_TMP_EXP "mcoreelf.exp"
|
||
#define MCORE_ELF_TMP_LIB "mcoreelf.lib"
|
||
|
||
static void
|
||
mcore_elf_gen_out_file (void)
|
||
{
|
||
fname_cache * ptr;
|
||
dyn_string_t ds;
|
||
|
||
/* Step one. Run 'ld -r' on the input object files in order to resolve
|
||
any internal references and to generate a single .exports section. */
|
||
ptr = & fnames;
|
||
|
||
ds = dyn_string_new (100);
|
||
dyn_string_append_cstr (ds, "-r ");
|
||
|
||
if (mcore_elf_linker_flags != NULL)
|
||
dyn_string_append_cstr (ds, mcore_elf_linker_flags);
|
||
|
||
while (ptr->next != NULL)
|
||
{
|
||
dyn_string_append_cstr (ds, ptr->filename);
|
||
dyn_string_append_cstr (ds, " ");
|
||
|
||
ptr = ptr->next;
|
||
}
|
||
|
||
dyn_string_append_cstr (ds, "-o ");
|
||
dyn_string_append_cstr (ds, MCORE_ELF_TMP_OBJ);
|
||
|
||
if (mcore_elf_linker == NULL)
|
||
mcore_elf_linker = deduce_name ("ld");
|
||
|
||
run (mcore_elf_linker, ds->s);
|
||
|
||
dyn_string_delete (ds);
|
||
|
||
/* Step two. Create a .exp file and a .lib file from the temporary file.
|
||
Do this by recursively invoking dlltool... */
|
||
ds = dyn_string_new (100);
|
||
|
||
dyn_string_append_cstr (ds, "-S ");
|
||
dyn_string_append_cstr (ds, as_name);
|
||
|
||
dyn_string_append_cstr (ds, " -e ");
|
||
dyn_string_append_cstr (ds, MCORE_ELF_TMP_EXP);
|
||
dyn_string_append_cstr (ds, " -l ");
|
||
dyn_string_append_cstr (ds, MCORE_ELF_TMP_LIB);
|
||
dyn_string_append_cstr (ds, " " );
|
||
dyn_string_append_cstr (ds, MCORE_ELF_TMP_OBJ);
|
||
|
||
if (verbose)
|
||
dyn_string_append_cstr (ds, " -v");
|
||
|
||
if (dontdeltemps)
|
||
{
|
||
dyn_string_append_cstr (ds, " -n");
|
||
|
||
if (dontdeltemps > 1)
|
||
dyn_string_append_cstr (ds, " -n");
|
||
}
|
||
|
||
/* XXX - FIME: ought to check/copy other command line options as well. */
|
||
run (program_name, ds->s);
|
||
|
||
dyn_string_delete (ds);
|
||
|
||
/* Step four. Feed the .exp and object files to ld -shared to create the dll. */
|
||
ds = dyn_string_new (100);
|
||
|
||
dyn_string_append_cstr (ds, "-shared ");
|
||
|
||
if (mcore_elf_linker_flags)
|
||
dyn_string_append_cstr (ds, mcore_elf_linker_flags);
|
||
|
||
dyn_string_append_cstr (ds, " ");
|
||
dyn_string_append_cstr (ds, MCORE_ELF_TMP_EXP);
|
||
dyn_string_append_cstr (ds, " ");
|
||
dyn_string_append_cstr (ds, MCORE_ELF_TMP_OBJ);
|
||
dyn_string_append_cstr (ds, " -o ");
|
||
dyn_string_append_cstr (ds, mcore_elf_out_file);
|
||
|
||
run (mcore_elf_linker, ds->s);
|
||
|
||
dyn_string_delete (ds);
|
||
|
||
if (dontdeltemps == 0)
|
||
unlink (MCORE_ELF_TMP_EXP);
|
||
|
||
if (dontdeltemps < 2)
|
||
unlink (MCORE_ELF_TMP_OBJ);
|
||
}
|
||
#endif /* DLLTOOL_MCORE_ELF */
|