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5a28331f6d
(SEC_LINK_DUPLICATES): Define. (SEC_LINK_DUPLICATES_DISCARD): Define. (SEC_LINK_DUPLICATES_ONE_ONLY): Define. (SEC_LINK_DUPLICATES_SAME_SIZE): Define. (SEC_LINK_DUPLICATES_SAME_CONTENTS): Define. * bfd-in2.h: Rebuild. * coffcode.h (sec_to_styp_flags): If COFF_WITH_PE, turn SEC_LINK_ONCE into IMAGE_SCN_LNK_COMDAT. (styp_to_sec_flags): If COFF_WITH_PE, turn IMAGE_SCN_LNK_REMOVE into SEC_EXCLUDE. If IMAGE_SCN_LNK_COMDAT is set, set SEC_LINK_ONCE, and look through the symbol table for the setting for SEC_LINK_DUPLICATES. (coff_write_object_contents): If COFF_WITH_PE, if SEC_LINK_ONCE is set for a section, find the section symbol in the symbol table, and set the aux entry based on SEC_LINK_DUPLICATES. * coffgen.c (coff_print_symbol): Add a space before "checksum". * coff-arm.c (armcoff_big_vec): If COFF_WITH_PE is defined, add SEC_LINK_ONCE and SEC_LINK_DUPLICATES to section_flags. * coff-i386.c (i386coff_vec): Likewise. * coff-ppc.c (TARGET_LITTLE_SYM, TARGET_BIG_SYM): Likewise.
3287 lines
95 KiB
C
3287 lines
95 KiB
C
/* BFD back-end for PowerPC Microsoft Portable Executable files.
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Copyright 1990, 91, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
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Original version pieced together by Kim Knuttila (krk@cygnus.com)
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There is nothing new under the sun. This file draws a lot on other
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coff files, in particular, those for the rs/6000, alpha, mips, and
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intel backends, and the PE work for the arm.
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This file is part of BFD, the Binary File Descriptor library.
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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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* Current State:
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- objdump works
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- relocs generated by gas
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- ld will link files, but they do not run.
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- dlltool will not produce correct output in some .reloc cases, and will
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not produce the right glue code for dll function calls.
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*/
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#include "bfd.h"
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#include "sysdep.h"
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#include "libbfd.h"
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#include "obstack.h"
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#include "coff/powerpc.h"
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#include "coff/internal.h"
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#include "coff/pe.h"
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#ifdef BADMAG
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#undef BADMAG
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#endif
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#define BADMAG(x) PPCBADMAG(x)
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#include "libcoff.h"
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/* The toc is a set of bfd_vma fields. We use the fact that valid */
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/* addresses are even (i.e. the bit representing "1" is off) to allow */
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/* us to encode a little extra information in the field */
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/* - Unallocated addresses are intialized to 1. */
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/* - Allocated addresses are even numbers. */
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/* The first time we actually write a reference to the toc in the bfd, */
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/* we want to record that fact in a fixup file (if it is asked for), so */
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/* we keep track of whether or not an address has been written by marking */
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/* the low order bit with a "1" upon writing */
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#define SET_UNALLOCATED(x) ((x) = 1)
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#define IS_UNALLOCATED(x) ((x) == 1)
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#define IS_WRITTEN(x) ((x) & 1)
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#define MARK_AS_WRITTEN(x) ((x) |= 1)
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#define MAKE_ADDR_AGAIN(x) ((x) &= ~1)
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/* In order not to add an int to every hash table item for every coff
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linker, we define our own hash table, derived from the coff one */
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/* PE linker hash table entries. */
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struct ppc_coff_link_hash_entry
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{
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struct coff_link_hash_entry root; /* First entry, as required */
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/* As we wonder around the relocs, we'll keep the assigned toc_offset
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here */
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bfd_vma toc_offset; /* Our addition, as required */
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int symbol_is_glue;
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unsigned long int glue_insn;
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char eye_catcher[8];
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};
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/* Need a 7 char string for an eye catcher */
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#define EYE "krkjunk"
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#define CHECK_EYE(addr) \
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if (strcmp(addr, EYE) != 0) \
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{ \
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fprintf(stderr,\
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"File %s, line %d, Hash check failure, bad eye %8s\n", \
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__FILE__, __LINE__, addr); \
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abort(); \
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}
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/* PE linker hash table. */
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struct ppc_coff_link_hash_table
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{
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struct coff_link_hash_table root; /* First entry, as required */
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};
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static struct bfd_hash_entry *ppc_coff_link_hash_newfunc
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PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *,
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const char *));
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/* Routine to create an entry in the link hash table. */
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static struct bfd_hash_entry *
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ppc_coff_link_hash_newfunc (entry, table, string)
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struct bfd_hash_entry *entry;
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struct bfd_hash_table *table;
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const char *string;
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{
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struct ppc_coff_link_hash_entry *ret =
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(struct ppc_coff_link_hash_entry *) entry;
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/* Allocate the structure if it has not already been allocated by a
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subclass. */
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if (ret == (struct ppc_coff_link_hash_entry *) NULL)
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ret = (struct ppc_coff_link_hash_entry *)
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bfd_hash_allocate (table,
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sizeof (struct ppc_coff_link_hash_entry));
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if (ret == (struct ppc_coff_link_hash_entry *) NULL)
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return NULL;
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/* Call the allocation method of the superclass. */
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ret = ((struct ppc_coff_link_hash_entry *)
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_bfd_coff_link_hash_newfunc ((struct bfd_hash_entry *) ret,
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table, string));
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if (ret)
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{
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/* Initialize the local fields. */
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SET_UNALLOCATED(ret->toc_offset);
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ret->symbol_is_glue = 0;
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ret->glue_insn = 0;
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strcpy(ret->eye_catcher, EYE);
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}
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return (struct bfd_hash_entry *) ret;
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}
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/* Initialize a PE linker hash table. */
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static boolean
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ppc_coff_link_hash_table_init (table, abfd, newfunc)
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struct ppc_coff_link_hash_table *table;
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bfd *abfd;
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struct bfd_hash_entry *(*newfunc) PARAMS ((struct bfd_hash_entry *,
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struct bfd_hash_table *,
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const char *));
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{
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return _bfd_coff_link_hash_table_init (&table->root, abfd, newfunc);
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}
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/* Create a PE linker hash table. */
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static struct bfd_link_hash_table *
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ppc_coff_link_hash_table_create (abfd)
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bfd *abfd;
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{
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struct ppc_coff_link_hash_table *ret;
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ret = ((struct ppc_coff_link_hash_table *)
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bfd_alloc (abfd, sizeof (struct ppc_coff_link_hash_table)));
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if (ret == NULL)
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return NULL;
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if (! ppc_coff_link_hash_table_init (ret, abfd,
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ppc_coff_link_hash_newfunc))
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{
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bfd_release (abfd, ret);
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return (struct bfd_link_hash_table *) NULL;
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}
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return &ret->root.root;
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}
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/* Now, tailor coffcode.h to use our hash stuff */
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#define coff_bfd_link_hash_table_create ppc_coff_link_hash_table_create
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/* The nt loader points the toc register to &toc + 32768, in order to */
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/* use the complete range of a 16-bit displacement (I guess). We have */
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/* to adjust for this when we fix up loads displaced off the toc reg. */
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#define TOC_LOAD_ADJUSTMENT (-32768)
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#define TOC_SECTION_NAME ".private.toc"
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/* The main body of code is in coffcode.h. */
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#define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3)
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/* In case we're on a 32-bit machine, construct a 64-bit "-1" value
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from smaller values. Start with zero, widen, *then* decrement. */
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#define MINUS_ONE (((bfd_vma)0) - 1)
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/* these should definitely go in a header file somewhere... */
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/* NOP */
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#define IMAGE_REL_PPC_ABSOLUTE 0x0000
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/* 64-bit address */
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#define IMAGE_REL_PPC_ADDR64 0x0001
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/* 32-bit address */
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#define IMAGE_REL_PPC_ADDR32 0x0002
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/* 26-bit address, shifted left 2 (branch absolute) */
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#define IMAGE_REL_PPC_ADDR24 0x0003
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/* 16-bit address */
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#define IMAGE_REL_PPC_ADDR16 0x0004
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/* 16-bit address, shifted left 2 (load doubleword) */
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#define IMAGE_REL_PPC_ADDR14 0x0005
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/* 26-bit PC-relative offset, shifted left 2 (branch relative) */
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#define IMAGE_REL_PPC_REL24 0x0006
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/* 16-bit PC-relative offset, shifted left 2 (br cond relative) */
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#define IMAGE_REL_PPC_REL14 0x0007
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/* 16-bit offset from TOC base */
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#define IMAGE_REL_PPC_TOCREL16 0x0008
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/* 16-bit offset from TOC base, shifted left 2 (load doubleword) */
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#define IMAGE_REL_PPC_TOCREL14 0x0009
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/* 32-bit addr w/o image base */
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#define IMAGE_REL_PPC_ADDR32NB 0x000A
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/* va of containing section (as in an image sectionhdr) */
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#define IMAGE_REL_PPC_SECREL 0x000B
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/* sectionheader number */
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#define IMAGE_REL_PPC_SECTION 0x000C
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/* substitute TOC restore instruction iff symbol is glue code */
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#define IMAGE_REL_PPC_IFGLUE 0x000D
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/* symbol is glue code; virtual address is TOC restore instruction */
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#define IMAGE_REL_PPC_IMGLUE 0x000E
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/* va of containing section (limited to 16 bits) */
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#define IMAGE_REL_PPC_SECREL16 0x000F
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/* stuff to handle immediate data when the number of bits in the */
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/* data is greater than the number of bits in the immediate field */
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/* We need to do (usually) 32 bit arithmetic on 16 bit chunks */
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#define IMAGE_REL_PPC_REFHI 0x0010
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#define IMAGE_REL_PPC_REFLO 0x0011
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#define IMAGE_REL_PPC_PAIR 0x0012
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/* This is essentially the same as tocrel16, with TOCDEFN assumed */
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#define IMAGE_REL_PPC_TOCREL16_DEFN 0x0013
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/* Flag bits in IMAGE_RELOCATION.TYPE */
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/* subtract reloc value rather than adding it */
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#define IMAGE_REL_PPC_NEG 0x0100
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/* fix branch prediction bit to predict branch taken */
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#define IMAGE_REL_PPC_BRTAKEN 0x0200
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/* fix branch prediction bit to predict branch not taken */
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#define IMAGE_REL_PPC_BRNTAKEN 0x0400
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/* toc slot defined in file (or, data in toc) */
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#define IMAGE_REL_PPC_TOCDEFN 0x0800
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/* masks to isolate above values in IMAGE_RELOCATION.Type */
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#define IMAGE_REL_PPC_TYPEMASK 0x00FF
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#define IMAGE_REL_PPC_FLAGMASK 0x0F00
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#define EXTRACT_TYPE(x) ((x) & IMAGE_REL_PPC_TYPEMASK)
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#define EXTRACT_FLAGS(x) ((x) & IMAGE_REL_PPC_FLAGMASK)
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#define EXTRACT_JUNK(x) \
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((x) & ~(IMAGE_REL_PPC_TYPEMASK | IMAGE_REL_PPC_FLAGMASK))
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/* static helper functions to make relocation work */
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/* (Work In Progress) */
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static bfd_reloc_status_type ppc_refhi_reloc PARAMS ((bfd *abfd,
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arelent *reloc,
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asymbol *symbol,
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PTR data,
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asection *section,
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bfd *output_bfd,
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char **error));
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#if 0
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static bfd_reloc_status_type ppc_reflo_reloc PARAMS ((bfd *abfd,
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arelent *reloc,
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asymbol *symbol,
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PTR data,
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asection *section,
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bfd *output_bfd,
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char **error));
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#endif
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static bfd_reloc_status_type ppc_pair_reloc PARAMS ((bfd *abfd,
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arelent *reloc,
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asymbol *symbol,
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PTR data,
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asection *section,
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bfd *output_bfd,
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char **error));
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static bfd_reloc_status_type ppc_toc16_reloc PARAMS ((bfd *abfd,
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arelent *reloc,
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asymbol *symbol,
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PTR data,
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asection *section,
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bfd *output_bfd,
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char **error));
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#if 0
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static bfd_reloc_status_type ppc_addr32nb_reloc PARAMS ((bfd *abfd,
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arelent *reloc,
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asymbol *symbol,
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PTR data,
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asection *section,
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bfd *output_bfd,
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char **error));
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#endif
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static bfd_reloc_status_type ppc_section_reloc PARAMS ((bfd *abfd,
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arelent *reloc,
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asymbol *symbol,
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PTR data,
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asection *section,
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bfd *output_bfd,
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char **error));
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static bfd_reloc_status_type ppc_secrel_reloc PARAMS ((bfd *abfd,
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arelent *reloc,
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asymbol *symbol,
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PTR data,
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asection *section,
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bfd *output_bfd,
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char **error));
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static bfd_reloc_status_type ppc_imglue_reloc PARAMS ((bfd *abfd,
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arelent *reloc,
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asymbol *symbol,
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PTR data,
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asection *section,
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bfd *output_bfd,
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char **error));
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||
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static boolean in_reloc_p PARAMS((bfd *abfd, reloc_howto_type *howto));
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||
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||
|
||
/* FIXME: It'll take a while to get through all of these. I only need a few to
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get us started, so those I'll make sure work. Those marked FIXME are either
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||
completely unverified or have a specific unknown marked in the comment */
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||
|
||
/*---------------------------------------------------------------------------*/
|
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/* */
|
||
/* Relocation entries for Windows/NT on PowerPC. */
|
||
/* */
|
||
/* From the document "" we find the following listed as used relocs: */
|
||
/* */
|
||
/* ABSOLUTE : The noop */
|
||
/* ADDR[64|32|16] : fields that hold addresses in data fields or the */
|
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/* 16 bit displacement field on a load/store. */
|
||
/* ADDR[24|14] : fields that hold addresses in branch and cond */
|
||
/* branches. These represent [26|16] bit addresses. */
|
||
/* The low order 2 bits are preserved. */
|
||
/* REL[24|14] : branches relative to the Instruction Address */
|
||
/* register. These represent [26|16] bit addresses, */
|
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/* as before. The instruction field will be zero, and */
|
||
/* the address of the SYM will be inserted at link time. */
|
||
/* TOCREL16 : 16 bit displacement field referring to a slot in */
|
||
/* toc. */
|
||
/* TOCREL14 : 16 bit displacement field, similar to REL14 or ADDR14. */
|
||
/* ADDR32NB : 32 bit address relative to the virtual origin. */
|
||
/* (On the alpha, this is always a linker generated thunk)*/
|
||
/* (i.e. 32bit addr relative to the image base) */
|
||
/* SECREL : The value is relative to the start of the section */
|
||
/* containing the symbol. */
|
||
/* SECTION : access to the header containing the item. Supports the */
|
||
/* codeview debugger. */
|
||
/* */
|
||
/* In particular, note that the document does not indicate that the */
|
||
/* relocations listed in the header file are used. */
|
||
/* */
|
||
/* */
|
||
/* */
|
||
/*---------------------------------------------------------------------------*/
|
||
|
||
static reloc_howto_type ppc_coff_howto_table[] =
|
||
{
|
||
/* IMAGE_REL_PPC_ABSOLUTE 0x0000 NOP */
|
||
/* Unused: */
|
||
HOWTO (IMAGE_REL_PPC_ABSOLUTE, /* type */
|
||
0, /* rightshift */
|
||
0, /* size (0 = byte, 1 = short, 2 = long) */
|
||
0, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_dont, /* dont complain_on_overflow */
|
||
0, /* special_function */
|
||
"ABSOLUTE", /* name */
|
||
false, /* partial_inplace */
|
||
0x00, /* src_mask */
|
||
0x00, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* IMAGE_REL_PPC_ADDR64 0x0001 64-bit address */
|
||
/* Unused: */
|
||
HOWTO(IMAGE_REL_PPC_ADDR64, /* type */
|
||
0, /* rightshift */
|
||
3, /* size (0 = byte, 1 = short, 2 = long) */
|
||
64, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"ADDR64", /* name */
|
||
true, /* partial_inplace */
|
||
MINUS_ONE, /* src_mask */
|
||
MINUS_ONE, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* IMAGE_REL_PPC_ADDR32 0x0002 32-bit address */
|
||
/* Used: */
|
||
HOWTO (IMAGE_REL_PPC_ADDR32, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
32, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"ADDR32", /* name */
|
||
true, /* partial_inplace */
|
||
0xffffffff, /* src_mask */
|
||
0xffffffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* IMAGE_REL_PPC_ADDR24 0x0003 26-bit address, shifted left 2 (branch absolute) */
|
||
/* the LI field is in bit 6 through bit 29 is 24 bits, + 2 for the shift */
|
||
/* Of course, That's the IBM approved bit numbering, which is not what */
|
||
/* anyone else uses.... The li field is in bit 2 thru 25 */
|
||
/* Used: */
|
||
HOWTO (IMAGE_REL_PPC_ADDR24, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
26, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"ADDR24", /* name */
|
||
true, /* partial_inplace */
|
||
0x07fffffc, /* src_mask */
|
||
0x07fffffc, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* IMAGE_REL_PPC_ADDR16 0x0004 16-bit address */
|
||
/* Used: */
|
||
HOWTO (IMAGE_REL_PPC_ADDR16, /* type */
|
||
0, /* rightshift */
|
||
1, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_signed, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"ADDR16", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* IMAGE_REL_PPC_ADDR14 0x0005 */
|
||
/* 16-bit address, shifted left 2 (load doubleword) */
|
||
/* FIXME: the mask is likely wrong, and the bit position may be as well */
|
||
/* Unused: */
|
||
HOWTO (IMAGE_REL_PPC_ADDR14, /* type */
|
||
1, /* rightshift */
|
||
1, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_signed, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"ADDR16", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* IMAGE_REL_PPC_REL24 0x0006 */
|
||
/* 26-bit PC-relative offset, shifted left 2 (branch relative) */
|
||
/* Used: */
|
||
HOWTO (IMAGE_REL_PPC_REL24, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
26, /* bitsize */
|
||
true, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_signed, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"REL24", /* name */
|
||
true, /* partial_inplace */
|
||
0x3fffffc, /* src_mask */
|
||
0x3fffffc, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* IMAGE_REL_PPC_REL14 0x0007 */
|
||
/* 16-bit PC-relative offset, shifted left 2 (br cond relative) */
|
||
/* FIXME: the mask is likely wrong, and the bit position may be as well */
|
||
/* FIXME: how does it know how far to shift? */
|
||
/* Unused: */
|
||
HOWTO (IMAGE_REL_PPC_ADDR14, /* type */
|
||
1, /* rightshift */
|
||
1, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_signed, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"ADDR16", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
true), /* pcrel_offset */
|
||
|
||
/* IMAGE_REL_PPC_TOCREL16 0x0008 */
|
||
/* 16-bit offset from TOC base */
|
||
/* Used: */
|
||
HOWTO (IMAGE_REL_PPC_TOCREL16,/* type */
|
||
0, /* rightshift */
|
||
1, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_dont, /* complain_on_overflow */
|
||
ppc_toc16_reloc, /* special_function */
|
||
"TOCREL16", /* name */
|
||
false, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* IMAGE_REL_PPC_TOCREL14 0x0009 */
|
||
/* 16-bit offset from TOC base, shifted left 2 (load doubleword) */
|
||
/* Unused: */
|
||
HOWTO (IMAGE_REL_PPC_TOCREL14,/* type */
|
||
1, /* rightshift */
|
||
1, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_signed, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"TOCREL14", /* name */
|
||
false, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* IMAGE_REL_PPC_ADDR32NB 0x000A */
|
||
/* 32-bit addr w/ image base */
|
||
/* Unused: */
|
||
HOWTO (IMAGE_REL_PPC_ADDR32NB,/* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
32, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_signed, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"ADDR32NB", /* name */
|
||
true, /* partial_inplace */
|
||
0xffffffff, /* src_mask */
|
||
0xffffffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* IMAGE_REL_PPC_SECREL 0x000B */
|
||
/* va of containing section (as in an image sectionhdr) */
|
||
/* Unused: */
|
||
HOWTO (IMAGE_REL_PPC_SECREL,/* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
32, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_signed, /* complain_on_overflow */
|
||
ppc_secrel_reloc, /* special_function */
|
||
"SECREL", /* name */
|
||
true, /* partial_inplace */
|
||
0xffffffff, /* src_mask */
|
||
0xffffffff, /* dst_mask */
|
||
true), /* pcrel_offset */
|
||
|
||
/* IMAGE_REL_PPC_SECTION 0x000C */
|
||
/* sectionheader number */
|
||
/* Unused: */
|
||
HOWTO (IMAGE_REL_PPC_SECTION,/* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
32, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_signed, /* complain_on_overflow */
|
||
ppc_section_reloc, /* special_function */
|
||
"SECTION", /* name */
|
||
true, /* partial_inplace */
|
||
0xffffffff, /* src_mask */
|
||
0xffffffff, /* dst_mask */
|
||
true), /* pcrel_offset */
|
||
|
||
/* IMAGE_REL_PPC_IFGLUE 0x000D */
|
||
/* substitute TOC restore instruction iff symbol is glue code */
|
||
/* Used: */
|
||
HOWTO (IMAGE_REL_PPC_IFGLUE,/* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
32, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_signed, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"IFGLUE", /* name */
|
||
true, /* partial_inplace */
|
||
0xffffffff, /* src_mask */
|
||
0xffffffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* IMAGE_REL_PPC_IMGLUE 0x000E */
|
||
/* symbol is glue code; virtual address is TOC restore instruction */
|
||
/* Unused: */
|
||
HOWTO (IMAGE_REL_PPC_IMGLUE,/* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
32, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_dont, /* complain_on_overflow */
|
||
ppc_imglue_reloc, /* special_function */
|
||
"IMGLUE", /* name */
|
||
false, /* partial_inplace */
|
||
0xffffffff, /* src_mask */
|
||
0xffffffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* IMAGE_REL_PPC_SECREL16 0x000F */
|
||
/* va of containing section (limited to 16 bits) */
|
||
/* Unused: */
|
||
HOWTO (IMAGE_REL_PPC_SECREL16,/* type */
|
||
0, /* rightshift */
|
||
1, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_signed, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"SECREL16", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
true), /* pcrel_offset */
|
||
|
||
/* IMAGE_REL_PPC_REFHI 0x0010 */
|
||
/* Unused: */
|
||
HOWTO (IMAGE_REL_PPC_REFHI, /* type */
|
||
0, /* rightshift */
|
||
1, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_signed, /* complain_on_overflow */
|
||
ppc_refhi_reloc, /* special_function */
|
||
"REFHI", /* name */
|
||
true, /* partial_inplace */
|
||
0xffffffff, /* src_mask */
|
||
0xffffffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* IMAGE_REL_PPC_REFLO 0x0011 */
|
||
/* Unused: */
|
||
HOWTO (IMAGE_REL_PPC_REFLO, /* type */
|
||
0, /* rightshift */
|
||
1, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_signed, /* complain_on_overflow */
|
||
ppc_refhi_reloc, /* special_function */
|
||
"REFLO", /* name */
|
||
true, /* partial_inplace */
|
||
0xffffffff, /* src_mask */
|
||
0xffffffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* IMAGE_REL_PPC_PAIR 0x0012 */
|
||
/* Unused: */
|
||
HOWTO (IMAGE_REL_PPC_PAIR, /* type */
|
||
0, /* rightshift */
|
||
1, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_signed, /* complain_on_overflow */
|
||
ppc_pair_reloc, /* special_function */
|
||
"PAIR", /* name */
|
||
true, /* partial_inplace */
|
||
0xffffffff, /* src_mask */
|
||
0xffffffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* IMAGE_REL_PPC_TOCREL16_DEFN 0x0013 */
|
||
/* 16-bit offset from TOC base, without causing a definition */
|
||
/* Used: */
|
||
HOWTO ( (IMAGE_REL_PPC_TOCREL16 | IMAGE_REL_PPC_TOCDEFN), /* type */
|
||
0, /* rightshift */
|
||
1, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_dont, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"TOCREL16, TOCDEFN", /* name */
|
||
false, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
};
|
||
|
||
|
||
|
||
|
||
/* Some really cheezy macros that can be turned on to test stderr :-) */
|
||
|
||
#ifdef DEBUG_RELOC
|
||
#define UN_IMPL(x) \
|
||
{ \
|
||
static int i; \
|
||
if (i == 0) \
|
||
{ \
|
||
i = 1; \
|
||
fprintf(stderr,"Unimplemented Relocation -- %s\n",x); \
|
||
} \
|
||
}
|
||
|
||
#define DUMP_RELOC(n,r) \
|
||
{ \
|
||
fprintf(stderr,"%s sym %d, addr %d, addend %d\n", \
|
||
n, (*(r->sym_ptr_ptr))->name, \
|
||
r->address, r->addend); \
|
||
}
|
||
|
||
/* Given a reloc name, n, and a pointer to an internal_reloc,
|
||
dump out interesting information on the contents
|
||
|
||
#define n_name _n._n_name
|
||
#define n_zeroes _n._n_n._n_zeroes
|
||
#define n_offset _n._n_n._n_offset
|
||
|
||
*/
|
||
|
||
#define DUMP_RELOC2(n,r) \
|
||
{ \
|
||
fprintf(stderr,"%s sym %d, r_vaddr %d %s\n", \
|
||
n, r->r_symndx, r->r_vaddr,\
|
||
(((r->r_type) & IMAGE_REL_PPC_TOCDEFN) == 0) \
|
||
?" ":" TOCDEFN" ); \
|
||
}
|
||
|
||
#else
|
||
#define UN_IMPL(x)
|
||
#define DUMP_RELOC(n,r)
|
||
#define DUMP_RELOC2(n,r)
|
||
#endif
|
||
|
||
|
||
|
||
/* toc construction and management routines */
|
||
extern bfd* bfd_of_toc_owner;
|
||
extern long int global_toc_size;
|
||
|
||
extern long int import_table_size;
|
||
extern long int first_thunk_address;
|
||
extern long int thunk_size;
|
||
|
||
enum toc_type
|
||
{
|
||
default_toc,
|
||
toc_32,
|
||
toc_64
|
||
};
|
||
|
||
enum ref_category
|
||
{
|
||
priv,
|
||
pub,
|
||
data
|
||
};
|
||
|
||
struct list_ele
|
||
{
|
||
struct list_ele *next;
|
||
bfd_vma addr;
|
||
enum ref_category cat;
|
||
int offset;
|
||
const char *name;
|
||
};
|
||
|
||
extern struct list_ele *head;
|
||
extern struct list_ele *tail;
|
||
|
||
static void
|
||
record_toc(toc_section, our_toc_offset, cat, name)
|
||
asection *toc_section;
|
||
int our_toc_offset;
|
||
enum ref_category cat;
|
||
const char *name;
|
||
{
|
||
/* add this entry to our toc addr-offset-name list */
|
||
struct list_ele *t;
|
||
t = bfd_malloc (sizeof (struct list_ele));
|
||
if (t == NULL)
|
||
abort ();
|
||
t->next = 0;
|
||
t->offset = our_toc_offset;
|
||
t->name = name;
|
||
t->cat = cat;
|
||
t->addr = toc_section->output_offset + our_toc_offset;
|
||
|
||
if (head == 0)
|
||
{
|
||
head = t;
|
||
tail = t;
|
||
}
|
||
else
|
||
{
|
||
tail->next = t;
|
||
tail = t;
|
||
}
|
||
}
|
||
|
||
#ifdef COFF_IMAGE_WITH_PE
|
||
|
||
/* record a toc offset against a symbol */
|
||
static int
|
||
ppc_record_toc_entry(abfd, info, sec, sym, toc_kind)
|
||
bfd *abfd;
|
||
struct bfd_link_info *info;
|
||
asection *sec;
|
||
int sym;
|
||
enum toc_type toc_kind;
|
||
{
|
||
struct ppc_coff_link_hash_entry *h;
|
||
int ret_val;
|
||
const char *name;
|
||
|
||
int *local_syms;
|
||
|
||
h = 0;
|
||
|
||
h = (struct ppc_coff_link_hash_entry *) (obj_coff_sym_hashes (abfd)[sym]);
|
||
if (h != 0)
|
||
{
|
||
CHECK_EYE(h->eye_catcher);
|
||
}
|
||
|
||
if (h == 0)
|
||
{
|
||
local_syms = obj_coff_local_toc_table(abfd);
|
||
if (local_syms == 0)
|
||
{
|
||
int i;
|
||
/* allocate a table */
|
||
local_syms =
|
||
(int *) bfd_zalloc (abfd,
|
||
obj_raw_syment_count(abfd) * sizeof(int));
|
||
if (local_syms == 0)
|
||
return false;
|
||
obj_coff_local_toc_table(abfd) = local_syms;
|
||
for (i = 0; i < obj_raw_syment_count(abfd); ++i)
|
||
{
|
||
SET_UNALLOCATED(local_syms[i]);
|
||
}
|
||
}
|
||
|
||
if (IS_UNALLOCATED(local_syms[sym]))
|
||
{
|
||
local_syms[sym] = global_toc_size;
|
||
ret_val = global_toc_size;
|
||
global_toc_size += 4;
|
||
|
||
/* The size must fit in a 16bit displacment */
|
||
if (global_toc_size >= 65535)
|
||
{
|
||
fprintf(stderr,
|
||
"Exceeded toc size of 65535\n");
|
||
abort();
|
||
}
|
||
|
||
#ifdef TOC_DEBUG
|
||
fprintf(stderr,
|
||
"Setting toc_offset for local sym %d to %d\n",
|
||
sym, ret_val);
|
||
#endif
|
||
}
|
||
else
|
||
{
|
||
ret_val = local_syms[sym];
|
||
#ifdef TOC_DEBUG
|
||
fprintf(stderr,
|
||
"toc_offset already set for local sym %d to %d\n",
|
||
sym, ret_val);
|
||
#endif
|
||
}
|
||
}
|
||
else
|
||
{
|
||
name = h->root.root.root.string;
|
||
|
||
/* check to see if there's a toc slot allocated. If not, do it
|
||
here. It will be used in relocate_section */
|
||
if (IS_UNALLOCATED(h->toc_offset))
|
||
{
|
||
h->toc_offset = global_toc_size;
|
||
ret_val = global_toc_size;
|
||
global_toc_size += 4;
|
||
|
||
/* The size must fit in a 16bit displacment */
|
||
if (global_toc_size >= 65535)
|
||
{
|
||
fprintf(stderr,
|
||
"Exceeded toc size of 65535\n");
|
||
abort();
|
||
}
|
||
|
||
#ifdef TOC_DEBUG
|
||
fprintf(stderr,
|
||
"Setting toc_offset for sym %d (%s) [h=%p] to %d\n",
|
||
sym, name, h, ret_val);
|
||
#endif
|
||
}
|
||
else
|
||
{
|
||
ret_val = h->toc_offset;
|
||
#ifdef TOC_DEBUG
|
||
fprintf(stderr,
|
||
"toc_offset already set for sym %d (%s) [h=%p] to %d\n",
|
||
sym, name, h, ret_val);
|
||
#endif
|
||
}
|
||
}
|
||
|
||
return ret_val;
|
||
}
|
||
|
||
#endif /* COFF_IMAGE_WITH_PE */
|
||
|
||
#if 0
|
||
|
||
/* FIXME: record a toc offset against a data-in-toc symbol */
|
||
/* Now, there is currenly some confusion on what this means. In some
|
||
compilers one sees the moral equivalent of:
|
||
.tocd
|
||
define some data
|
||
.text
|
||
refer to the data with a [tocv] qualifier
|
||
In general, one sees something to indicate that a tocd has been
|
||
seen, and that would trigger the allocation of data in toc. The IBM
|
||
docs seem to suggest that anything with the TOCDEFN qualifier should
|
||
never trigger storage allocation. However, in the kernel32.lib that
|
||
we've been using for our test bed, there are a couple of variables
|
||
referenced that fail that test.
|
||
|
||
So it can't work that way.
|
||
*/
|
||
static int
|
||
ppc_record_data_in_toc_entry(abfd, info, sec, sym, toc_kind)
|
||
bfd *abfd;
|
||
struct bfd_link_info *info;
|
||
asection *sec;
|
||
int sym;
|
||
enum toc_type toc_kind;
|
||
{
|
||
struct ppc_coff_link_hash_entry *h = 0;
|
||
int ret_val;
|
||
const char *name;
|
||
|
||
int *local_syms;
|
||
|
||
h = (struct ppc_coff_link_hash_entry *) (obj_coff_sym_hashes (abfd)[sym]);
|
||
|
||
if (h == 0)
|
||
{
|
||
local_syms = obj_coff_local_toc_table(abfd);
|
||
if (local_syms == 0)
|
||
{
|
||
int i;
|
||
/* allocate a table */
|
||
local_syms =
|
||
(int *) bfd_zalloc (abfd,
|
||
obj_raw_syment_count(abfd) * sizeof(int));
|
||
if (local_syms == 0)
|
||
return false;
|
||
obj_coff_local_toc_table(abfd) = local_syms;
|
||
for (i = 0; i < obj_raw_syment_count(abfd); ++i)
|
||
{
|
||
SET_UNALLOCATED(local_syms[i]);
|
||
}
|
||
}
|
||
|
||
if (IS_UNALLOCATED(local_syms[sym]))
|
||
{
|
||
local_syms[sym] = global_toc_size;
|
||
ret_val = global_toc_size;
|
||
global_toc_size += 4;
|
||
#ifdef TOC_DEBUG
|
||
fprintf(stderr,
|
||
"Setting data_in_toc_offset for local sym %d to %d\n",
|
||
sym, ret_val);
|
||
#endif
|
||
}
|
||
else
|
||
{
|
||
ret_val = local_syms[sym];
|
||
#ifdef TOC_DEBUG
|
||
fprintf(stderr,
|
||
"data_in_toc_offset already set for local sym %d to %d\n",
|
||
sym, ret_val);
|
||
#endif
|
||
}
|
||
}
|
||
else
|
||
{
|
||
CHECK_EYE(h->eye_catcher);
|
||
|
||
name = h->root.root.root.string;
|
||
|
||
/* check to see if there's a toc slot allocated. If not, do it
|
||
here. It will be used in relocate_section */
|
||
if (IS_UNALLOCATED(h->toc_offset))
|
||
{
|
||
#if 0
|
||
h->toc_offset = global_toc_size;
|
||
#endif
|
||
ret_val = global_toc_size;
|
||
/* We're allocating a chunk of the toc, as opposed to a slot */
|
||
/* FIXME: alignment? */
|
||
|
||
global_toc_size += 4;
|
||
#ifdef TOC_DEBUG
|
||
fprintf(stderr,
|
||
"Setting data_in_toc_offset for sym %d (%s) [h=%p] to %d\n",
|
||
sym, name, h, ret_val);
|
||
#endif
|
||
}
|
||
else
|
||
{
|
||
ret_val = h->toc_offset;
|
||
#ifdef TOC_DEBUG
|
||
fprintf(stderr,
|
||
"data_in_toc_offset already set for sym %d (%s) [h=%p] to %d\n",
|
||
sym, name, h, ret_val);
|
||
#endif
|
||
}
|
||
}
|
||
|
||
return ret_val;
|
||
}
|
||
|
||
#endif /* 0 */
|
||
|
||
#ifdef COFF_IMAGE_WITH_PE
|
||
|
||
/* record a toc offset against a symbol */
|
||
static void
|
||
ppc_mark_symbol_as_glue(abfd, sym, rel)
|
||
bfd *abfd;
|
||
int sym;
|
||
struct internal_reloc *rel;
|
||
{
|
||
struct ppc_coff_link_hash_entry *h;
|
||
|
||
h = (struct ppc_coff_link_hash_entry *) (obj_coff_sym_hashes (abfd)[sym]);
|
||
|
||
CHECK_EYE(h->eye_catcher);
|
||
|
||
h->symbol_is_glue = 1;
|
||
h->glue_insn = bfd_get_32 (abfd, (bfd_byte *) &rel->r_vaddr);
|
||
|
||
return;
|
||
}
|
||
|
||
#endif /* COFF_IMAGE_WITH_PE */
|
||
|
||
#if 0
|
||
|
||
/* Provided the symbol, returns the value reffed */
|
||
static long get_symbol_value PARAMS ((asymbol *));
|
||
|
||
static long
|
||
get_symbol_value (symbol)
|
||
asymbol *symbol;
|
||
{
|
||
long relocation = 0;
|
||
|
||
if (bfd_is_com_section (symbol->section))
|
||
{
|
||
relocation = 0;
|
||
}
|
||
else
|
||
{
|
||
relocation = symbol->value +
|
||
symbol->section->output_section->vma +
|
||
symbol->section->output_offset;
|
||
}
|
||
|
||
return(relocation);
|
||
}
|
||
|
||
#endif /* 0 */
|
||
|
||
/* Return true if this relocation should
|
||
appear in the output .reloc section. */
|
||
|
||
static boolean in_reloc_p(abfd, howto)
|
||
bfd * abfd;
|
||
reloc_howto_type *howto;
|
||
{
|
||
return
|
||
(! howto->pc_relative)
|
||
&& (howto->type != IMAGE_REL_PPC_ADDR32NB)
|
||
&& (howto->type != IMAGE_REL_PPC_TOCREL16)
|
||
&& (howto->type != IMAGE_REL_PPC_IMGLUE)
|
||
&& (howto->type != IMAGE_REL_PPC_IFGLUE)
|
||
&& (howto->type != IMAGE_REL_PPC_SECREL)
|
||
&& (howto->type != IMAGE_REL_PPC_SECTION)
|
||
&& (howto->type != IMAGE_REL_PPC_SECREL16)
|
||
&& (howto->type != IMAGE_REL_PPC_REFHI)
|
||
&& (howto->type != IMAGE_REL_PPC_REFLO)
|
||
&& (howto->type != IMAGE_REL_PPC_PAIR)
|
||
&& (howto->type != IMAGE_REL_PPC_TOCREL16_DEFN) ;
|
||
}
|
||
|
||
#if 0
|
||
|
||
/* this function is in charge of performing all the ppc PE relocations */
|
||
/* Don't yet know if we want to do this this particular way ... (krk) */
|
||
/* FIXME: (it is not yet enabled) */
|
||
|
||
static bfd_reloc_status_type
|
||
pe_ppc_reloc (abfd, reloc_entry, symbol_in, data, input_section, output_bfd,
|
||
error_message)
|
||
bfd *abfd;
|
||
arelent *reloc_entry;
|
||
asymbol *symbol_in;
|
||
PTR data;
|
||
asection *input_section;
|
||
bfd *output_bfd;
|
||
char **error_message;
|
||
{
|
||
/* the consth relocation comes in two parts, we have to remember
|
||
the state between calls, in these variables */
|
||
static boolean part1_consth_active = false;
|
||
static unsigned long part1_consth_value;
|
||
|
||
unsigned long sym_value;
|
||
unsigned short r_type;
|
||
unsigned long addr = reloc_entry->address ; /*+ input_section->vma*/
|
||
|
||
fprintf(stderr, "pe_ppc_reloc (%s)\n", TARGET_LITTLE_NAME);
|
||
|
||
r_type = reloc_entry->howto->type;
|
||
|
||
if (output_bfd)
|
||
{
|
||
/* Partial linking - do nothing */
|
||
reloc_entry->address += input_section->output_offset;
|
||
return bfd_reloc_ok;
|
||
}
|
||
|
||
if (symbol_in != NULL
|
||
&& bfd_is_und_section (symbol_in->section))
|
||
{
|
||
/* Keep the state machine happy in case we're called again */
|
||
if (r_type == IMAGE_REL_PPC_REFHI)
|
||
{
|
||
part1_consth_active = true;
|
||
part1_consth_value = 0;
|
||
}
|
||
return(bfd_reloc_undefined);
|
||
}
|
||
|
||
if ((part1_consth_active) && (r_type != IMAGE_REL_PPC_PAIR))
|
||
{
|
||
part1_consth_active = false;
|
||
*error_message = (char *) "Missing PAIR";
|
||
return(bfd_reloc_dangerous);
|
||
}
|
||
|
||
|
||
sym_value = get_symbol_value(symbol_in);
|
||
|
||
return(bfd_reloc_ok);
|
||
}
|
||
|
||
#endif /* 0 */
|
||
|
||
/* The reloc processing routine for the optimized COFF linker. */
|
||
|
||
static boolean
|
||
coff_ppc_relocate_section (output_bfd, info, input_bfd, input_section,
|
||
contents, relocs, syms, sections)
|
||
bfd *output_bfd;
|
||
struct bfd_link_info *info;
|
||
bfd *input_bfd;
|
||
asection *input_section;
|
||
bfd_byte *contents;
|
||
struct internal_reloc *relocs;
|
||
struct internal_syment *syms;
|
||
asection **sections;
|
||
{
|
||
struct internal_reloc *rel;
|
||
struct internal_reloc *relend;
|
||
boolean hihalf;
|
||
bfd_vma hihalf_val;
|
||
asection *toc_section = 0;
|
||
bfd_vma relocation;
|
||
reloc_howto_type *howto = 0;
|
||
|
||
#ifdef DEBUG_RELOC
|
||
fprintf(stderr,
|
||
"pe_ppc_relocate_section (%s) for %s in bfd %s\n",
|
||
TARGET_LITTLE_NAME,
|
||
input_section->name,
|
||
input_bfd->filename);
|
||
|
||
#endif
|
||
|
||
/* If we are performing a relocateable link, we don't need to do a
|
||
thing. The caller will take care of adjusting the reloc
|
||
addresses and symbol indices. */
|
||
if (info->relocateable)
|
||
return true;
|
||
|
||
hihalf = false;
|
||
hihalf_val = 0;
|
||
|
||
rel = relocs;
|
||
relend = rel + input_section->reloc_count;
|
||
for (; rel < relend; rel++)
|
||
{
|
||
long symndx;
|
||
struct ppc_coff_link_hash_entry *h;
|
||
struct internal_syment *sym;
|
||
bfd_vma val;
|
||
|
||
asection *sec;
|
||
bfd_reloc_status_type rstat;
|
||
bfd_byte *loc;
|
||
|
||
unsigned short r_type = EXTRACT_TYPE (rel->r_type);
|
||
unsigned short r_flags = EXTRACT_FLAGS(rel->r_type);
|
||
|
||
#ifdef DEBUG_RELOC
|
||
/* now examine flags */
|
||
if (r_flags != 0)
|
||
{
|
||
fprintf (stderr, "Reloc with flags found!");
|
||
if ( r_flags & IMAGE_REL_PPC_NEG )
|
||
fprintf (stderr, " NEG");
|
||
if ( r_flags & IMAGE_REL_PPC_BRTAKEN )
|
||
fprintf (stderr, " BRTAKEN");
|
||
if ( r_flags & IMAGE_REL_PPC_BRNTAKEN )
|
||
fprintf (stderr, " BRNTAKEN");
|
||
if ( r_flags & IMAGE_REL_PPC_TOCDEFN )
|
||
fprintf (stderr, " TOCDEFN");
|
||
fprintf(stderr, "\n");
|
||
}
|
||
#endif
|
||
|
||
symndx = rel->r_symndx;
|
||
loc = contents + rel->r_vaddr - input_section->vma;
|
||
|
||
/* FIXME: check bounds on r_type */
|
||
howto = ppc_coff_howto_table + r_type;
|
||
|
||
if (symndx == -1)
|
||
{
|
||
h = NULL;
|
||
sym = NULL;
|
||
}
|
||
else
|
||
{
|
||
h = (struct ppc_coff_link_hash_entry *)
|
||
(obj_coff_sym_hashes (input_bfd)[symndx]);
|
||
if (h != 0)
|
||
{
|
||
CHECK_EYE(h->eye_catcher);
|
||
}
|
||
|
||
sym = syms + symndx;
|
||
}
|
||
|
||
sec = NULL;
|
||
val = 0;
|
||
|
||
/* FIXME: PAIR unsupported in the following code */
|
||
if (h == NULL)
|
||
{
|
||
if (symndx == -1)
|
||
sec = bfd_abs_section_ptr;
|
||
else
|
||
{
|
||
sec = sections[symndx];
|
||
val = (sec->output_section->vma
|
||
+ sec->output_offset
|
||
+ sym->n_value
|
||
- sec->vma);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
CHECK_EYE(h->eye_catcher);
|
||
|
||
if (h->root.root.type == bfd_link_hash_defined
|
||
|| h->root.root.type == bfd_link_hash_defweak)
|
||
{
|
||
sec = h->root.root.u.def.section;
|
||
val = (h->root.root.u.def.value
|
||
+ sec->output_section->vma
|
||
+ sec->output_offset);
|
||
}
|
||
else
|
||
{
|
||
fprintf(stderr,
|
||
"missing %s\n",h->root.root.root.string);
|
||
if (! ((*info->callbacks->undefined_symbol)
|
||
(info, h->root.root.root.string, input_bfd, input_section,
|
||
rel->r_vaddr - input_section->vma)))
|
||
return false;
|
||
}
|
||
}
|
||
|
||
rstat = bfd_reloc_ok;
|
||
|
||
/* Each case must do its own relocation, setting rstat appropriately */
|
||
switch (r_type)
|
||
{
|
||
default:
|
||
fprintf( stderr,
|
||
"ERROR: during reloc processing -- unsupported reloc %s\n",
|
||
howto->name);
|
||
bfd_set_error (bfd_error_bad_value);
|
||
abort();
|
||
return false;
|
||
case IMAGE_REL_PPC_TOCREL16:
|
||
{
|
||
bfd_vma our_toc_offset;
|
||
int fixit;
|
||
|
||
DUMP_RELOC2(howto->name, rel);
|
||
|
||
if (toc_section == 0)
|
||
{
|
||
toc_section = bfd_get_section_by_name (bfd_of_toc_owner,
|
||
TOC_SECTION_NAME);
|
||
#ifdef TOC_DEBUG
|
||
|
||
fprintf(stderr,
|
||
"BFD of toc owner %p (%s), section addr of %s %p\n",
|
||
bfd_of_toc_owner, bfd_of_toc_owner->filename,
|
||
TOC_SECTION_NAME, toc_section);
|
||
#endif
|
||
|
||
if ( toc_section == NULL )
|
||
{
|
||
fprintf(stderr, "No Toc section!\n");
|
||
abort();
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Amazing bit tricks present. As we may have seen earlier, we
|
||
* use the 1 bit to tell us whether or not a toc offset has been
|
||
* allocated. Now that they've all been allocated, we will use
|
||
* the 1 bit to tell us if we've written this particular toc
|
||
* entry out.
|
||
*/
|
||
fixit = false;
|
||
if (h == 0)
|
||
{ /* it is a file local symbol */
|
||
int *local_toc_table;
|
||
const char *name;
|
||
|
||
sym = syms + symndx;
|
||
name = sym->_n._n_name;
|
||
|
||
local_toc_table = obj_coff_local_toc_table(input_bfd);
|
||
our_toc_offset = local_toc_table[symndx];
|
||
|
||
if (IS_WRITTEN(our_toc_offset))
|
||
{
|
||
/* if it has been written out, it is marked with the
|
||
1 bit. Fix up our offset, but do not write it out
|
||
again.
|
||
*/
|
||
MAKE_ADDR_AGAIN(our_toc_offset);
|
||
#ifdef TOC_DEBUG
|
||
|
||
fprintf(stderr,
|
||
"Not writing out toc_offset of %d for %s\n",
|
||
our_toc_offset, name);
|
||
#endif
|
||
}
|
||
else
|
||
{
|
||
/* write out the toc entry */
|
||
record_toc(toc_section, our_toc_offset, priv, strdup(name));
|
||
#ifdef TOC_DEBUG
|
||
fprintf(stderr,
|
||
"Writing out toc_offset "
|
||
"toc_section (%p,%p)+%d val %d for %s\n",
|
||
toc_section,
|
||
toc_section->contents,
|
||
our_toc_offset,
|
||
val,
|
||
name);
|
||
#endif
|
||
|
||
bfd_put_32(output_bfd,
|
||
val,
|
||
toc_section->contents + our_toc_offset);
|
||
|
||
MARK_AS_WRITTEN(local_toc_table[symndx]);
|
||
fixit = true;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
const char *name = h->root.root.root.string;
|
||
our_toc_offset = h->toc_offset;
|
||
|
||
if ((r_flags & IMAGE_REL_PPC_TOCDEFN)
|
||
== IMAGE_REL_PPC_TOCDEFN )
|
||
#if 0
|
||
/* This is wrong. If tocdefn is on, we must unconditionally
|
||
assume the following path */
|
||
&& IS_UNALLOCATED(our_toc_offset))
|
||
#endif
|
||
{
|
||
/* This is unbelievable cheese. Some knowledgable asm
|
||
hacker has decided to use r2 as a base for loading
|
||
a value. He/She does this by setting the tocdefn bit,
|
||
and not supplying a toc definition. The behaviour is
|
||
then to use the difference between the value of the
|
||
symbol and the actual location of the toc as the toc
|
||
index.
|
||
|
||
In fact, what is usually happening is, because the
|
||
Import Address Table is mapped immediately following
|
||
the toc, some trippy library code trying for speed on
|
||
dll linkage, takes advantage of that and considers
|
||
the IAT to be part of the toc, thus saving a load.
|
||
*/
|
||
#ifdef DEBUG_RELOC
|
||
fprintf(stderr,
|
||
"TOCDEFN is on, (%s) (%p) our_toc_offset = %x\n",
|
||
name, h, our_toc_offset);
|
||
#endif
|
||
|
||
our_toc_offset = val -
|
||
(toc_section->output_section->vma +
|
||
toc_section->output_offset);
|
||
|
||
#ifdef DEBUG_RELOC
|
||
fprintf(stderr,
|
||
" our_toc_offset set to %x\n", our_toc_offset);
|
||
#endif
|
||
|
||
/* The size must still fit in a 16bit displacment */
|
||
if (our_toc_offset >= 65535)
|
||
{
|
||
fprintf(stderr,
|
||
"TOCDEFN Relocation exceeded "
|
||
"displacment of 65535\n");
|
||
abort();
|
||
}
|
||
|
||
record_toc(toc_section, our_toc_offset, pub, strdup(name));
|
||
}
|
||
else if (IS_WRITTEN(our_toc_offset))
|
||
{
|
||
/* if it has been written out, it is marked with the
|
||
1 bit. Fix up our offset, but do not write it out
|
||
again.
|
||
*/
|
||
MAKE_ADDR_AGAIN(our_toc_offset);
|
||
#ifdef TOC_DEBUG
|
||
fprintf(stderr,
|
||
"Not writing out toc_offset of %d for %s\n",
|
||
our_toc_offset, name);
|
||
#endif
|
||
}
|
||
else
|
||
{
|
||
record_toc(toc_section, our_toc_offset, pub, strdup(name));
|
||
|
||
#ifdef TOC_DEBUG
|
||
/* write out the toc entry */
|
||
fprintf(stderr,
|
||
"Writing out toc_offset "
|
||
"toc_section (%p,%p)+%d val %d for %s\n",
|
||
toc_section,
|
||
toc_section->contents,
|
||
our_toc_offset,
|
||
val,
|
||
name);
|
||
#endif
|
||
|
||
/* write out the toc entry */
|
||
bfd_put_32(output_bfd,
|
||
val,
|
||
toc_section->contents + our_toc_offset);
|
||
|
||
MARK_AS_WRITTEN(h->toc_offset);
|
||
/* The tricky part is that this is the address that */
|
||
/* needs a .reloc entry for it */
|
||
fixit = true;
|
||
}
|
||
}
|
||
|
||
if (fixit && info->base_file)
|
||
{
|
||
/* So if this is non pcrelative, and is referenced
|
||
to a section or a common symbol, then it needs a reloc */
|
||
|
||
/* relocation to a symbol in a section which
|
||
isn't absolute - we output the address here
|
||
to a file */
|
||
|
||
bfd_vma addr = toc_section->output_section->vma
|
||
+ toc_section->output_offset + our_toc_offset;
|
||
|
||
if (coff_data(output_bfd)->pe)
|
||
addr -= pe_data(output_bfd)->pe_opthdr.ImageBase;
|
||
|
||
#ifdef DEBUG_RELOC
|
||
fprintf(stderr,
|
||
" Toc Section .reloc candidate addr = %x\n", addr);
|
||
#endif
|
||
fwrite (&addr, 1,4, (FILE *) info->base_file);
|
||
}
|
||
|
||
|
||
/* FIXME: this test is conservative */
|
||
if ( (r_flags & IMAGE_REL_PPC_TOCDEFN) != IMAGE_REL_PPC_TOCDEFN &&
|
||
our_toc_offset > toc_section->_raw_size)
|
||
{
|
||
fprintf(stderr,
|
||
"reloc offset is bigger than the toc size!\n");
|
||
abort();
|
||
}
|
||
|
||
/* Now we know the relocation for this toc reference */
|
||
relocation = our_toc_offset + TOC_LOAD_ADJUSTMENT;
|
||
rstat = _bfd_relocate_contents (howto,
|
||
input_bfd,
|
||
relocation,
|
||
loc);
|
||
}
|
||
break;
|
||
case IMAGE_REL_PPC_IFGLUE:
|
||
{
|
||
/* To solve this, we need to know whether or not the symbol */
|
||
/* appearing on the call instruction is a glue function or not. */
|
||
/* A glue function must announce itself via a IMGLUE reloc, and */
|
||
/* the reloc contains the required toc restore instruction */
|
||
|
||
bfd_vma x;
|
||
const char *my_name;
|
||
DUMP_RELOC2(howto->name, rel);
|
||
|
||
if (h != 0)
|
||
{
|
||
my_name = h->root.root.root.string;
|
||
if (h->symbol_is_glue == 1)
|
||
{
|
||
x = bfd_get_32(input_bfd, loc);
|
||
bfd_put_32(input_bfd, h->glue_insn, loc);
|
||
}
|
||
}
|
||
}
|
||
break;
|
||
case IMAGE_REL_PPC_SECREL:
|
||
/* Unimplemented: codeview debugging information */
|
||
/* For fast access to the header of the section
|
||
containing the item. */
|
||
break;
|
||
case IMAGE_REL_PPC_SECTION:
|
||
/* Unimplemented: codeview debugging information */
|
||
/* Is used to indicate that the value should be relative
|
||
to the beginning of the section that contains the
|
||
symbol */
|
||
break;
|
||
case IMAGE_REL_PPC_ABSOLUTE:
|
||
{
|
||
const char *my_name;
|
||
if (h == 0)
|
||
my_name = (syms+symndx)->_n._n_name;
|
||
else
|
||
{
|
||
my_name = h->root.root.root.string;
|
||
}
|
||
|
||
fprintf(stderr,
|
||
"Warning: unsupported reloc %s <file %s, section %s>\n",
|
||
howto->name,
|
||
bfd_get_filename(input_bfd),
|
||
input_section->name);
|
||
|
||
fprintf(stderr,"sym %ld (%s), r_vaddr %ld (%lx)\n",
|
||
rel->r_symndx, my_name, (long) rel->r_vaddr,
|
||
(unsigned long) rel->r_vaddr);
|
||
}
|
||
break;
|
||
case IMAGE_REL_PPC_IMGLUE:
|
||
{
|
||
/* There is nothing to do now. This reloc was noted in the first
|
||
pass over the relocs, and the glue instruction extracted */
|
||
const char *my_name;
|
||
if (h->symbol_is_glue == 1)
|
||
break;
|
||
my_name = h->root.root.root.string;
|
||
fprintf(stderr,
|
||
"Warning: previously missed IMGLUE reloc %s <file %s, section %s>\n",
|
||
howto->name,
|
||
bfd_get_filename(input_bfd),
|
||
input_section->name);
|
||
break;
|
||
|
||
}
|
||
break;
|
||
|
||
case IMAGE_REL_PPC_ADDR32NB:
|
||
{
|
||
struct coff_link_hash_entry *myh = 0;
|
||
const char *name = 0;
|
||
DUMP_RELOC2(howto->name, rel);
|
||
|
||
if (strncmp(".idata$2",input_section->name,8) == 0 && first_thunk_address == 0)
|
||
{
|
||
/* set magic values */
|
||
int idata5offset;
|
||
struct coff_link_hash_entry *myh = 0;
|
||
myh = coff_link_hash_lookup (coff_hash_table (info),
|
||
"__idata5_magic__",
|
||
false, false, true);
|
||
first_thunk_address = myh->root.u.def.value +
|
||
sec->output_section->vma +
|
||
sec->output_offset -
|
||
pe_data(output_bfd)->pe_opthdr.ImageBase;
|
||
|
||
idata5offset = myh->root.u.def.value;
|
||
myh = coff_link_hash_lookup (coff_hash_table (info),
|
||
"__idata6_magic__",
|
||
false, false, true);
|
||
|
||
thunk_size = myh->root.u.def.value - idata5offset;
|
||
myh = coff_link_hash_lookup (coff_hash_table (info),
|
||
"__idata4_magic__",
|
||
false, false, true);
|
||
import_table_size = myh->root.u.def.value;
|
||
#ifdef DEBUG_RELOC
|
||
fprintf(stderr,
|
||
"first computation triggered fta %x, ts %d(%x), its %d(%x)\n",
|
||
first_thunk_address, thunk_size, thunk_size, import_table_size,
|
||
import_table_size);
|
||
#endif
|
||
}
|
||
|
||
if (h == 0)
|
||
{ /* it is a file local symbol */
|
||
sym = syms + symndx;
|
||
name = sym->_n._n_name;
|
||
}
|
||
else
|
||
{
|
||
char *target = 0;
|
||
|
||
name = h->root.root.root.string;
|
||
if (strcmp(".idata$2", name) == 0)
|
||
target = "__idata2_magic__";
|
||
else if (strcmp(".idata$4", name) == 0)
|
||
target = "__idata4_magic__";
|
||
else if (strcmp(".idata$5", name) == 0)
|
||
target = "__idata5_magic__";
|
||
|
||
if (target != 0)
|
||
{
|
||
myh = 0;
|
||
|
||
myh = coff_link_hash_lookup (coff_hash_table (info),
|
||
target,
|
||
false, false, true);
|
||
if (myh == 0)
|
||
{
|
||
fprintf(stderr, "Missing idata magic cookies, "
|
||
"this cannot work anyway...\n");
|
||
abort();
|
||
}
|
||
|
||
val = myh->root.u.def.value +
|
||
sec->output_section->vma + sec->output_offset;
|
||
if (first_thunk_address == 0)
|
||
{
|
||
int idata5offset;
|
||
myh = coff_link_hash_lookup (coff_hash_table (info),
|
||
"__idata5_magic__",
|
||
false, false, true);
|
||
first_thunk_address = myh->root.u.def.value +
|
||
sec->output_section->vma +
|
||
sec->output_offset -
|
||
pe_data(output_bfd)->pe_opthdr.ImageBase;
|
||
|
||
idata5offset = myh->root.u.def.value;
|
||
myh = coff_link_hash_lookup (coff_hash_table (info),
|
||
"__idata6_magic__",
|
||
false, false, true);
|
||
|
||
thunk_size = myh->root.u.def.value - idata5offset;
|
||
myh = coff_link_hash_lookup (coff_hash_table (info),
|
||
"__idata4_magic__",
|
||
false, false, true);
|
||
import_table_size = myh->root.u.def.value;
|
||
#ifdef DEBUG_RELOC
|
||
|
||
fprintf(stderr,
|
||
"second computation triggered fta %x, ts %d(%x), its %d(%x)\n",
|
||
first_thunk_address, thunk_size, thunk_size, import_table_size,
|
||
import_table_size);
|
||
#endif
|
||
}
|
||
}
|
||
}
|
||
|
||
rstat = _bfd_relocate_contents (howto,
|
||
input_bfd,
|
||
val -
|
||
pe_data(output_bfd)->pe_opthdr.ImageBase,
|
||
loc);
|
||
}
|
||
break;
|
||
|
||
case IMAGE_REL_PPC_REL24:
|
||
DUMP_RELOC2(howto->name, rel);
|
||
val -= (input_section->output_section->vma
|
||
+ input_section->output_offset);
|
||
|
||
rstat = _bfd_relocate_contents (howto,
|
||
input_bfd,
|
||
val,
|
||
loc);
|
||
break;
|
||
case IMAGE_REL_PPC_ADDR16:
|
||
case IMAGE_REL_PPC_ADDR24:
|
||
case IMAGE_REL_PPC_ADDR32:
|
||
DUMP_RELOC2(howto->name, rel);
|
||
rstat = _bfd_relocate_contents (howto,
|
||
input_bfd,
|
||
val,
|
||
loc);
|
||
break;
|
||
}
|
||
|
||
if ( info->base_file )
|
||
{
|
||
/* So if this is non pcrelative, and is referenced
|
||
to a section or a common symbol, then it needs a reloc */
|
||
if (sym && pe_data(output_bfd)->in_reloc_p(output_bfd, howto))
|
||
{
|
||
/* relocation to a symbol in a section which
|
||
isn't absolute - we output the address here
|
||
to a file */
|
||
bfd_vma addr = rel->r_vaddr
|
||
- input_section->vma
|
||
+ input_section->output_offset
|
||
+ input_section->output_section->vma;
|
||
|
||
if (coff_data(output_bfd)->pe)
|
||
{
|
||
#ifdef DEBUG_RELOC
|
||
bfd_vma before_addr = addr;
|
||
#endif
|
||
addr -= pe_data(output_bfd)->pe_opthdr.ImageBase;
|
||
#ifdef DEBUG_RELOC
|
||
fprintf(stderr,
|
||
" adjusted down from %x to %x", before_addr, addr);
|
||
#endif
|
||
}
|
||
#ifdef DEBUG_RELOC
|
||
fprintf(stderr, "\n");
|
||
#endif
|
||
|
||
fwrite (&addr, 1,4, (FILE *) info->base_file);
|
||
}
|
||
}
|
||
|
||
switch (rstat)
|
||
{
|
||
default:
|
||
abort ();
|
||
case bfd_reloc_ok:
|
||
break;
|
||
case bfd_reloc_overflow:
|
||
{
|
||
const char *name;
|
||
char buf[SYMNMLEN + 1];
|
||
|
||
if (symndx == -1)
|
||
name = "*ABS*";
|
||
else if (h != NULL)
|
||
name = h->root.root.root.string;
|
||
else if (sym == NULL)
|
||
name = "*unknown*";
|
||
else if (sym->_n._n_n._n_zeroes == 0
|
||
&& sym->_n._n_n._n_offset != 0)
|
||
name = obj_coff_strings (input_bfd) + sym->_n._n_n._n_offset;
|
||
else
|
||
{
|
||
strncpy (buf, sym->_n._n_name, SYMNMLEN);
|
||
buf[SYMNMLEN] = '\0';
|
||
name = buf;
|
||
}
|
||
#if 0
|
||
else
|
||
{
|
||
name = _bfd_coff_internal_syment_name (input_bfd, sym, buf);
|
||
if (name == NULL)
|
||
return false;
|
||
}
|
||
#endif
|
||
|
||
if (! ((*info->callbacks->reloc_overflow)
|
||
(info, name, howto->name,
|
||
(bfd_vma) 0, input_bfd,
|
||
input_section, rel->r_vaddr - input_section->vma)))
|
||
{
|
||
#ifdef DEBUG_RELOC
|
||
fprintf(stderr,
|
||
"pe_ppc_relocate_section (%s) for %s in bfd %s RETURNING TRUE\n",
|
||
TARGET_LITTLE_NAME,
|
||
input_section->name,
|
||
input_bfd->filename);
|
||
|
||
#endif
|
||
return false;
|
||
}
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
#ifdef DEBUG_RELOC
|
||
fprintf(stderr,
|
||
"pe_ppc_relocate_section (%s) for %s in bfd %s RETURNING TRUE\n",
|
||
TARGET_LITTLE_NAME,
|
||
input_section->name,
|
||
input_bfd->filename);
|
||
|
||
#endif
|
||
|
||
return true;
|
||
}
|
||
|
||
|
||
#ifdef COFF_IMAGE_WITH_PE
|
||
|
||
long int global_toc_size = 4;
|
||
|
||
bfd* bfd_of_toc_owner = 0;
|
||
|
||
long int import_table_size;
|
||
long int first_thunk_address;
|
||
long int thunk_size;
|
||
|
||
struct list_ele *head;
|
||
struct list_ele *tail;
|
||
|
||
static char *
|
||
h1 = "\n\t\t\tTOC MAPPING\n\n";
|
||
static char *
|
||
h2 = " TOC disassembly Comments Name\n";
|
||
static char *
|
||
h3 = " Offset spelling (if present)\n";
|
||
|
||
void
|
||
dump_toc(vfile)
|
||
void *vfile;
|
||
{
|
||
FILE *file = vfile;
|
||
struct list_ele *t;
|
||
|
||
fprintf(file, h1);
|
||
fprintf(file, h2);
|
||
fprintf(file, h3);
|
||
|
||
for(t = head; t != 0; t=t->next)
|
||
{
|
||
char *cat;
|
||
|
||
if (t->cat == priv)
|
||
cat = "private ";
|
||
else if (t->cat == pub)
|
||
cat = "public ";
|
||
else if (t->cat == data)
|
||
cat = "data-in-toc ";
|
||
|
||
if (t->offset > global_toc_size)
|
||
{
|
||
if (t->offset <= global_toc_size + thunk_size)
|
||
cat = "IAT reference ";
|
||
else
|
||
{
|
||
fprintf(file,
|
||
"**** global_toc_size %ld(%lx), thunk_size %ld(%lx)\n",
|
||
global_toc_size, global_toc_size, thunk_size, thunk_size);
|
||
cat = "Out of bounds!";
|
||
}
|
||
}
|
||
|
||
fprintf(file,
|
||
" %04lx (%d)", (unsigned long) t->offset, t->offset - 32768);
|
||
fprintf(file,
|
||
" %s %s\n",
|
||
cat, t->name);
|
||
|
||
}
|
||
|
||
fprintf(file, "\n");
|
||
}
|
||
|
||
boolean
|
||
ppc_allocate_toc_section (info)
|
||
struct bfd_link_info *info;
|
||
{
|
||
asection *s;
|
||
bfd_byte *foo;
|
||
static char test_char = '1';
|
||
|
||
if ( global_toc_size == 0 ) /* FIXME: does this get me in trouble? */
|
||
return true;
|
||
|
||
if (bfd_of_toc_owner == 0)
|
||
{
|
||
fprintf(stderr,
|
||
"There is no bfd that owns the toc section!\n");
|
||
abort();
|
||
}
|
||
|
||
s = bfd_get_section_by_name ( bfd_of_toc_owner , TOC_SECTION_NAME);
|
||
if (s == NULL)
|
||
{
|
||
fprintf(stderr, "No Toc section!\n");
|
||
abort();
|
||
}
|
||
|
||
foo = bfd_alloc(bfd_of_toc_owner, global_toc_size);
|
||
memset(foo, test_char, global_toc_size);
|
||
|
||
s->_raw_size = s->_cooked_size = global_toc_size;
|
||
s->contents = foo;
|
||
|
||
return true;
|
||
}
|
||
|
||
boolean
|
||
ppc_process_before_allocation (abfd, info)
|
||
bfd *abfd;
|
||
struct bfd_link_info *info;
|
||
{
|
||
asection *sec;
|
||
struct internal_reloc *i, *rel;
|
||
|
||
#ifdef DEBUG_RELOC
|
||
fprintf(stderr,
|
||
"ppc_process_before_allocation: BFD %s\n",
|
||
bfd_get_filename(abfd));
|
||
#endif
|
||
|
||
/* here we have a bfd that is to be included on the link. We have a hook
|
||
to do reloc rummaging, before section sizes are nailed down. */
|
||
|
||
_bfd_coff_get_external_symbols(abfd);
|
||
|
||
/* rummage around all the relocs and map the toc */
|
||
sec = abfd->sections;
|
||
|
||
if (sec == 0)
|
||
{
|
||
return true;
|
||
}
|
||
|
||
for (; sec != 0; sec = sec->next)
|
||
{
|
||
int toc_offset;
|
||
|
||
#ifdef DEBUG_RELOC
|
||
fprintf(stderr,
|
||
" section %s reloc count %d\n",
|
||
sec->name,
|
||
sec->reloc_count);
|
||
#endif
|
||
|
||
if (sec->reloc_count == 0)
|
||
continue;
|
||
|
||
/* load the relocs */
|
||
/* FIXME: there may be a storage leak here */
|
||
i=_bfd_coff_read_internal_relocs(abfd,sec,1,0,0,0);
|
||
|
||
if (i == 0)
|
||
abort();
|
||
|
||
for (rel=i;rel<i+sec->reloc_count;++rel)
|
||
{
|
||
unsigned short r_type = EXTRACT_TYPE (rel->r_type);
|
||
unsigned short r_flags = EXTRACT_FLAGS(rel->r_type);
|
||
|
||
#ifdef DEBUG_RELOC
|
||
/* now examine flags */
|
||
if (r_flags != 0)
|
||
{
|
||
fprintf (stderr, "Reloc with flags found!");
|
||
if ( r_flags & IMAGE_REL_PPC_NEG )
|
||
fprintf (stderr, " NEG");
|
||
if ( r_flags & IMAGE_REL_PPC_BRTAKEN )
|
||
fprintf (stderr, " BRTAKEN");
|
||
if ( r_flags & IMAGE_REL_PPC_BRNTAKEN )
|
||
fprintf (stderr, " BRNTAKEN");
|
||
if ( r_flags & IMAGE_REL_PPC_TOCDEFN )
|
||
fprintf (stderr, " TOCDEFN");
|
||
fprintf(stderr, "\n");
|
||
}
|
||
#endif
|
||
|
||
DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel);
|
||
|
||
switch(r_type)
|
||
{
|
||
case IMAGE_REL_PPC_TOCREL16:
|
||
#if 0
|
||
/* FIXME:
|
||
This remains unimplemented for now, as it currently adds
|
||
un-necessary elements to the toc. All we need to do today
|
||
is not do anything if TOCDEFN is on.
|
||
*/
|
||
if ( r_flags & IMAGE_REL_PPC_TOCDEFN )
|
||
toc_offset = ppc_record_data_in_toc_entry(abfd, info, sec,
|
||
rel->r_symndx,
|
||
default_toc);
|
||
else
|
||
toc_offset = ppc_record_toc_entry(abfd, info, sec,
|
||
rel->r_symndx, default_toc);
|
||
#endif
|
||
if ( (r_flags & IMAGE_REL_PPC_TOCDEFN) != IMAGE_REL_PPC_TOCDEFN )
|
||
toc_offset = ppc_record_toc_entry(abfd, info, sec,
|
||
rel->r_symndx, default_toc);
|
||
break;
|
||
case IMAGE_REL_PPC_IMGLUE:
|
||
ppc_mark_symbol_as_glue(abfd, rel->r_symndx, rel);
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
#endif
|
||
|
||
|
||
static bfd_reloc_status_type
|
||
ppc_refhi_reloc (abfd,
|
||
reloc_entry,
|
||
symbol,
|
||
data,
|
||
input_section,
|
||
output_bfd,
|
||
error_message)
|
||
bfd *abfd;
|
||
arelent *reloc_entry;
|
||
asymbol *symbol;
|
||
PTR data;
|
||
asection *input_section;
|
||
bfd *output_bfd;
|
||
char **error_message;
|
||
{
|
||
UN_IMPL("REFHI");
|
||
DUMP_RELOC("REFHI",reloc_entry);
|
||
|
||
if (output_bfd == (bfd *) NULL)
|
||
return bfd_reloc_continue;
|
||
|
||
return bfd_reloc_undefined;
|
||
}
|
||
|
||
#if 0
|
||
|
||
static bfd_reloc_status_type
|
||
ppc_reflo_reloc (abfd,
|
||
reloc_entry,
|
||
symbol,
|
||
data,
|
||
input_section,
|
||
output_bfd,
|
||
error_message)
|
||
bfd *abfd;
|
||
arelent *reloc_entry;
|
||
asymbol *symbol;
|
||
PTR data;
|
||
asection *input_section;
|
||
bfd *output_bfd;
|
||
char **error_message;
|
||
{
|
||
UN_IMPL("REFLO");
|
||
DUMP_RELOC("REFLO",reloc_entry);
|
||
|
||
if (output_bfd == (bfd *) NULL)
|
||
return bfd_reloc_continue;
|
||
|
||
return bfd_reloc_undefined;
|
||
}
|
||
|
||
#endif
|
||
|
||
static bfd_reloc_status_type
|
||
ppc_pair_reloc (abfd,
|
||
reloc_entry,
|
||
symbol,
|
||
data,
|
||
input_section,
|
||
output_bfd,
|
||
error_message)
|
||
bfd *abfd;
|
||
arelent *reloc_entry;
|
||
asymbol *symbol;
|
||
PTR data;
|
||
asection *input_section;
|
||
bfd *output_bfd;
|
||
char **error_message;
|
||
{
|
||
UN_IMPL("PAIR");
|
||
DUMP_RELOC("PAIR",reloc_entry);
|
||
|
||
if (output_bfd == (bfd *) NULL)
|
||
return bfd_reloc_continue;
|
||
|
||
return bfd_reloc_undefined;
|
||
}
|
||
|
||
|
||
static bfd_reloc_status_type
|
||
ppc_toc16_reloc (abfd,
|
||
reloc_entry,
|
||
symbol,
|
||
data,
|
||
input_section,
|
||
output_bfd,
|
||
error_message)
|
||
bfd *abfd;
|
||
arelent *reloc_entry;
|
||
asymbol *symbol;
|
||
PTR data;
|
||
asection *input_section;
|
||
bfd *output_bfd;
|
||
char **error_message;
|
||
{
|
||
UN_IMPL("TOCREL16");
|
||
DUMP_RELOC("TOCREL16",reloc_entry);
|
||
|
||
if (output_bfd == (bfd *) NULL)
|
||
{
|
||
return bfd_reloc_continue;
|
||
}
|
||
|
||
return bfd_reloc_ok;
|
||
}
|
||
|
||
#if 0
|
||
|
||
/* ADDR32NB : 32 bit address relative to the virtual origin. */
|
||
/* (On the alpha, this is always a linker generated thunk)*/
|
||
/* (i.e. 32bit addr relative to the image base) */
|
||
/* */
|
||
/* */
|
||
|
||
static bfd_reloc_status_type
|
||
ppc_addr32nb_reloc (abfd,
|
||
reloc_entry,
|
||
symbol,
|
||
data,
|
||
input_section,
|
||
output_bfd,
|
||
error_message)
|
||
bfd *abfd;
|
||
arelent *reloc_entry;
|
||
asymbol *symbol;
|
||
PTR data;
|
||
asection *input_section;
|
||
bfd *output_bfd;
|
||
char **error_message;
|
||
{
|
||
UN_IMPL("ADDR32NB");
|
||
DUMP_RELOC("ADDR32NB",reloc_entry);
|
||
|
||
return bfd_reloc_ok;
|
||
}
|
||
|
||
#endif
|
||
|
||
static bfd_reloc_status_type
|
||
ppc_secrel_reloc (abfd,
|
||
reloc_entry,
|
||
symbol,
|
||
data,
|
||
input_section,
|
||
output_bfd,
|
||
error_message)
|
||
bfd *abfd;
|
||
arelent *reloc_entry;
|
||
asymbol *symbol;
|
||
PTR data;
|
||
asection *input_section;
|
||
bfd *output_bfd;
|
||
char **error_message;
|
||
{
|
||
UN_IMPL("SECREL");
|
||
DUMP_RELOC("SECREL",reloc_entry);
|
||
|
||
if (output_bfd == (bfd *) NULL)
|
||
return bfd_reloc_continue;
|
||
|
||
return bfd_reloc_ok;
|
||
}
|
||
|
||
static bfd_reloc_status_type
|
||
ppc_section_reloc (abfd,
|
||
reloc_entry,
|
||
symbol,
|
||
data,
|
||
input_section,
|
||
output_bfd,
|
||
error_message)
|
||
bfd *abfd;
|
||
arelent *reloc_entry;
|
||
asymbol *symbol;
|
||
PTR data;
|
||
asection *input_section;
|
||
bfd *output_bfd;
|
||
char **error_message;
|
||
{
|
||
UN_IMPL("SECTION");
|
||
DUMP_RELOC("SECTION",reloc_entry);
|
||
|
||
if (output_bfd == (bfd *) NULL)
|
||
return bfd_reloc_continue;
|
||
|
||
return bfd_reloc_ok;
|
||
}
|
||
|
||
static bfd_reloc_status_type
|
||
ppc_imglue_reloc (abfd,
|
||
reloc_entry,
|
||
symbol,
|
||
data,
|
||
input_section,
|
||
output_bfd,
|
||
error_message)
|
||
bfd *abfd;
|
||
arelent *reloc_entry;
|
||
asymbol *symbol;
|
||
PTR data;
|
||
asection *input_section;
|
||
bfd *output_bfd;
|
||
char **error_message;
|
||
{
|
||
UN_IMPL("IMGLUE");
|
||
DUMP_RELOC("IMGLUE",reloc_entry);
|
||
|
||
if (output_bfd == (bfd *) NULL)
|
||
return bfd_reloc_continue;
|
||
|
||
return bfd_reloc_ok;
|
||
}
|
||
|
||
|
||
|
||
#define MAX_RELOC_INDEX \
|
||
(sizeof(ppc_coff_howto_table) / sizeof(ppc_coff_howto_table[0]) - 1)
|
||
|
||
|
||
/* FIXME: There is a possiblity that when we read in a reloc from a file,
|
||
that there are some bits encoded in the upper portion of the
|
||
type field. Not yet implemented.
|
||
*/
|
||
static void ppc_coff_rtype2howto PARAMS ((arelent *relent,
|
||
struct internal_reloc *internal));
|
||
|
||
static void
|
||
ppc_coff_rtype2howto (relent, internal)
|
||
arelent *relent;
|
||
struct internal_reloc *internal;
|
||
{
|
||
|
||
/* We can encode one of three things in the type field, aside from the
|
||
type:
|
||
1. IMAGE_REL_PPC_NEG - indicates the value field is a subtraction
|
||
value, rather than an addition value
|
||
2. IMAGE_REL_PPC_BRTAKEN, IMAGE_REL_PPC_BRNTAKEN - indicates that
|
||
the branch is expected to be taken or not.
|
||
3. IMAGE_REL_PPC_TOCDEFN - toc slot definition in the file
|
||
For now, we just strip this stuff to find the type, and ignore it other
|
||
than that.
|
||
*/
|
||
reloc_howto_type *howto;
|
||
unsigned short r_type = EXTRACT_TYPE (internal->r_type);
|
||
unsigned short r_flags = EXTRACT_FLAGS(internal->r_type);
|
||
unsigned short junk = EXTRACT_JUNK (internal->r_type);
|
||
|
||
/* the masking process only slices off the bottom byte for r_type. */
|
||
if ( r_type > MAX_RELOC_INDEX )
|
||
{
|
||
fprintf(stderr,
|
||
"ppc_coff_rtype2howto: reloc index %d out of range [%d, %ld]\n",
|
||
internal->r_type, 0, (long) MAX_RELOC_INDEX);
|
||
abort();
|
||
}
|
||
|
||
/* check for absolute crap */
|
||
if ( junk != 0 )
|
||
{
|
||
fprintf(stderr,
|
||
"ppc_coff_rtype2howto: reloc index %d contains junk %d\n",
|
||
internal->r_type, junk);
|
||
abort();
|
||
}
|
||
|
||
#ifdef DEBUG_RELOC
|
||
/* now examine flags */
|
||
if (r_flags != 0)
|
||
{
|
||
fprintf (stderr, "Reloc with flags found!");
|
||
if ( r_flags & IMAGE_REL_PPC_NEG )
|
||
fprintf (stderr, " NEG");
|
||
if ( r_flags & IMAGE_REL_PPC_BRTAKEN )
|
||
fprintf (stderr, " BRTAKEN");
|
||
if ( r_flags & IMAGE_REL_PPC_BRNTAKEN )
|
||
fprintf (stderr, " BRNTAKEN");
|
||
if ( r_flags & IMAGE_REL_PPC_TOCDEFN )
|
||
fprintf (stderr, " TOCDEFN");
|
||
fprintf(stderr, "\n");
|
||
}
|
||
#endif
|
||
|
||
switch(r_type)
|
||
{
|
||
case IMAGE_REL_PPC_ADDR16:
|
||
case IMAGE_REL_PPC_REL24:
|
||
case IMAGE_REL_PPC_ADDR24:
|
||
case IMAGE_REL_PPC_ADDR32:
|
||
case IMAGE_REL_PPC_IFGLUE:
|
||
case IMAGE_REL_PPC_ADDR32NB:
|
||
case IMAGE_REL_PPC_SECTION:
|
||
case IMAGE_REL_PPC_SECREL:
|
||
DUMP_RELOC2(ppc_coff_howto_table[r_type].name, internal);
|
||
howto = ppc_coff_howto_table + r_type;
|
||
break;
|
||
case IMAGE_REL_PPC_IMGLUE:
|
||
DUMP_RELOC2(ppc_coff_howto_table[r_type].name, internal);
|
||
howto = ppc_coff_howto_table + r_type;
|
||
break;
|
||
case IMAGE_REL_PPC_TOCREL16:
|
||
DUMP_RELOC2(ppc_coff_howto_table[r_type].name, internal);
|
||
if (r_flags & IMAGE_REL_PPC_TOCDEFN)
|
||
howto = ppc_coff_howto_table + IMAGE_REL_PPC_TOCREL16_DEFN;
|
||
else
|
||
howto = ppc_coff_howto_table + IMAGE_REL_PPC_TOCREL16;
|
||
break;
|
||
default:
|
||
fprintf(stderr,
|
||
"Warning: Unsupported reloc %s [%d] used -- it may not work.\n",
|
||
ppc_coff_howto_table[r_type].name,
|
||
r_type);
|
||
howto = ppc_coff_howto_table + r_type;
|
||
break;
|
||
}
|
||
|
||
relent->howto = howto;
|
||
|
||
}
|
||
|
||
static reloc_howto_type *
|
||
coff_ppc_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
|
||
bfd *abfd;
|
||
asection *sec;
|
||
struct internal_reloc *rel;
|
||
struct coff_link_hash_entry *h;
|
||
struct internal_syment *sym;
|
||
bfd_vma *addendp;
|
||
{
|
||
reloc_howto_type *howto;
|
||
|
||
/* We can encode one of three things in the type field, aside from the
|
||
type:
|
||
1. IMAGE_REL_PPC_NEG - indicates the value field is a subtraction
|
||
value, rather than an addition value
|
||
2. IMAGE_REL_PPC_BRTAKEN, IMAGE_REL_PPC_BRNTAKEN - indicates that
|
||
the branch is expected to be taken or not.
|
||
3. IMAGE_REL_PPC_TOCDEFN - toc slot definition in the file
|
||
For now, we just strip this stuff to find the type, and ignore it other
|
||
than that.
|
||
*/
|
||
|
||
unsigned short r_type = EXTRACT_TYPE (rel->r_type);
|
||
unsigned short r_flags = EXTRACT_FLAGS(rel->r_type);
|
||
unsigned short junk = EXTRACT_JUNK (rel->r_type);
|
||
|
||
/* the masking process only slices off the bottom byte for r_type. */
|
||
if ( r_type > MAX_RELOC_INDEX )
|
||
{
|
||
fprintf(stderr,
|
||
"coff_ppc_rtype_to_howto: index %d out of range [%d, %ld]\n",
|
||
r_type, 0, (long) MAX_RELOC_INDEX);
|
||
abort();
|
||
}
|
||
|
||
/* check for absolute crap */
|
||
if ( junk != 0 )
|
||
{
|
||
fprintf(stderr,
|
||
"coff_ppc_rtype_to_howto: reloc index %d contains junk %d\n",
|
||
rel->r_type, junk);
|
||
abort();
|
||
}
|
||
|
||
#ifdef DEBUG_RELOC
|
||
/* now examine flags */
|
||
if (r_flags != 0)
|
||
{
|
||
fprintf (stderr, "Reloc with flags found!");
|
||
if ( r_flags & IMAGE_REL_PPC_NEG )
|
||
fprintf (stderr, " NEG");
|
||
if ( r_flags & IMAGE_REL_PPC_BRTAKEN )
|
||
fprintf (stderr, " BRTAKEN");
|
||
if ( r_flags & IMAGE_REL_PPC_BRNTAKEN )
|
||
fprintf (stderr, " BRNTAKEN");
|
||
if ( r_flags & IMAGE_REL_PPC_TOCDEFN )
|
||
fprintf (stderr, " TOCDEFN");
|
||
fprintf(stderr, "\n");
|
||
}
|
||
#endif
|
||
|
||
switch(r_type)
|
||
{
|
||
case IMAGE_REL_PPC_ADDR32NB:
|
||
DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel);
|
||
*addendp -= pe_data(sec->output_section->owner)->pe_opthdr.ImageBase;
|
||
howto = ppc_coff_howto_table + r_type;
|
||
break;
|
||
case IMAGE_REL_PPC_TOCREL16:
|
||
DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel);
|
||
if (r_flags & IMAGE_REL_PPC_TOCDEFN)
|
||
howto = ppc_coff_howto_table + IMAGE_REL_PPC_TOCREL16_DEFN;
|
||
else
|
||
howto = ppc_coff_howto_table + IMAGE_REL_PPC_TOCREL16;
|
||
break;
|
||
case IMAGE_REL_PPC_ADDR16:
|
||
case IMAGE_REL_PPC_REL24:
|
||
case IMAGE_REL_PPC_ADDR24:
|
||
case IMAGE_REL_PPC_ADDR32:
|
||
case IMAGE_REL_PPC_IFGLUE:
|
||
case IMAGE_REL_PPC_SECTION:
|
||
case IMAGE_REL_PPC_SECREL:
|
||
DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel);
|
||
howto = ppc_coff_howto_table + r_type;
|
||
break;
|
||
case IMAGE_REL_PPC_IMGLUE:
|
||
DUMP_RELOC2(ppc_coff_howto_table[r_type].name, rel);
|
||
howto = ppc_coff_howto_table + r_type;
|
||
break;
|
||
default:
|
||
fprintf(stderr,
|
||
"Warning: Unsupported reloc %s [%d] used -- it may not work.\n",
|
||
ppc_coff_howto_table[r_type].name,
|
||
r_type);
|
||
howto = ppc_coff_howto_table + r_type;
|
||
break;
|
||
}
|
||
|
||
return howto;
|
||
}
|
||
|
||
|
||
/* a cheesy little macro to make the code a little more readable */
|
||
#define HOW2MAP(bfd_rtype,ppc_rtype) \
|
||
case bfd_rtype: return &ppc_coff_howto_table[ppc_rtype]
|
||
|
||
static reloc_howto_type *ppc_coff_reloc_type_lookup
|
||
PARAMS ((bfd *, bfd_reloc_code_real_type));
|
||
|
||
static reloc_howto_type *
|
||
ppc_coff_reloc_type_lookup (abfd, code)
|
||
bfd *abfd;
|
||
bfd_reloc_code_real_type code;
|
||
{
|
||
|
||
#ifdef DEBUG_RELOC
|
||
fprintf(stderr, "ppc_coff_reloc_type_lookup for %s\n",
|
||
bfd_get_reloc_code_name(code));
|
||
#endif
|
||
|
||
switch (code)
|
||
{
|
||
HOW2MAP(BFD_RELOC_32_GOTOFF, IMAGE_REL_PPC_IMGLUE);
|
||
HOW2MAP(BFD_RELOC_16_GOT_PCREL, IMAGE_REL_PPC_IFGLUE);
|
||
HOW2MAP(BFD_RELOC_16, IMAGE_REL_PPC_ADDR16);
|
||
HOW2MAP(BFD_RELOC_PPC_B26, IMAGE_REL_PPC_REL24);
|
||
HOW2MAP(BFD_RELOC_PPC_BA26, IMAGE_REL_PPC_ADDR24);
|
||
HOW2MAP(BFD_RELOC_PPC_TOC16, IMAGE_REL_PPC_TOCREL16);
|
||
HOW2MAP(BFD_RELOC_16_GOTOFF, IMAGE_REL_PPC_TOCREL16_DEFN);
|
||
HOW2MAP(BFD_RELOC_32, IMAGE_REL_PPC_ADDR32);
|
||
HOW2MAP(BFD_RELOC_RVA, IMAGE_REL_PPC_ADDR32NB);
|
||
default:
|
||
return NULL;
|
||
}
|
||
|
||
return NULL;
|
||
}
|
||
|
||
#undef HOW2MAP
|
||
|
||
|
||
/* Tailor coffcode.h -- macro heaven. */
|
||
|
||
#define RTYPE2HOWTO(cache_ptr, dst) ppc_coff_rtype2howto (cache_ptr, dst)
|
||
|
||
#ifndef COFF_IMAGE_WITH_PE
|
||
static void
|
||
ppc_coff_swap_sym_in_hook ();
|
||
#endif
|
||
|
||
/* We use the special COFF backend linker, with our own special touch. */
|
||
|
||
#define coff_bfd_reloc_type_lookup ppc_coff_reloc_type_lookup
|
||
#define coff_rtype_to_howto coff_ppc_rtype_to_howto
|
||
#define coff_relocate_section coff_ppc_relocate_section
|
||
#define coff_bfd_final_link ppc_bfd_coff_final_link
|
||
|
||
#ifndef COFF_IMAGE_WITH_PE
|
||
#define coff_swap_sym_in_hook ppc_coff_swap_sym_in_hook
|
||
#endif
|
||
|
||
#define SELECT_RELOC(internal, howto) {internal.r_type=howto->type;}
|
||
|
||
#define COFF_PAGE_SIZE 0x1000
|
||
|
||
#define POWERPC_LE_PE
|
||
|
||
#include "coffcode.h"
|
||
|
||
|
||
|
||
#ifndef COFF_IMAGE_WITH_PE
|
||
/* FIXME:
|
||
What we're trying to do here is allocate a toc section (early), and attach
|
||
it to the last bfd to be processed. This avoids the problem of having a toc
|
||
written out before all files have been processed. This code allocates
|
||
a toc section for every file, and records the last one seen. There are
|
||
at least two problems with this approach:
|
||
1. We allocate whole bunches of toc sections that are ignored, but at
|
||
at least we will not allocate a toc if no .toc is present.
|
||
2. It's not clear to me that being the last bfd read necessarily means
|
||
that you are the last bfd closed.
|
||
3. Doing it on a "swap in" hook depends on when the "swap in" is called,
|
||
and how often, etc. It's not clear to me that there isn't a hole here.
|
||
*/
|
||
|
||
static void
|
||
ppc_coff_swap_sym_in_hook (abfd, ext1, in1)
|
||
bfd *abfd;
|
||
PTR ext1;
|
||
PTR in1;
|
||
{
|
||
struct internal_syment *in = (struct internal_syment *)in1;
|
||
|
||
if (bfd_of_toc_owner != 0) /* we already have a toc, so go home */
|
||
return;
|
||
|
||
if (strcmp(in->_n._n_name, ".toc") == 0)
|
||
{
|
||
flagword flags;
|
||
register asection *s;
|
||
|
||
s = bfd_get_section_by_name ( abfd , TOC_SECTION_NAME);
|
||
if (s != NULL)
|
||
{
|
||
return;
|
||
}
|
||
|
||
flags = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY ;
|
||
|
||
#ifdef TOC_DEBUG
|
||
fprintf(stderr,
|
||
"ppc_coff_swap_sym_in_hook: about to create the %s section\n",
|
||
TOC_SECTION_NAME);
|
||
#endif
|
||
|
||
s = bfd_make_section (abfd, TOC_SECTION_NAME);
|
||
|
||
if (s == NULL
|
||
|| !bfd_set_section_flags (abfd, s, flags)
|
||
|| !bfd_set_section_alignment (abfd, s, 2))
|
||
{
|
||
fprintf(stderr,
|
||
"toc section allocation failed!\n");
|
||
abort();
|
||
}
|
||
|
||
/* save the bfd for later allocation */
|
||
bfd_of_toc_owner = abfd;
|
||
}
|
||
|
||
return;
|
||
}
|
||
#endif
|
||
|
||
boolean
|
||
ppc_bfd_coff_final_link ();
|
||
|
||
#ifndef COFF_IMAGE_WITH_PE
|
||
|
||
static boolean
|
||
ppc_do_last(abfd)
|
||
bfd *abfd;
|
||
{
|
||
if (abfd == bfd_of_toc_owner)
|
||
return true;
|
||
else
|
||
return false;
|
||
}
|
||
|
||
static bfd *
|
||
ppc_get_last()
|
||
{
|
||
return bfd_of_toc_owner;
|
||
}
|
||
|
||
/* this piece of machinery exists only to guarantee that the bfd that holds
|
||
the toc section is written last.
|
||
|
||
This does depend on bfd_make_section attaching a new section to the
|
||
end of the section list for the bfd.
|
||
|
||
This is otherwise intended to be functionally the same as
|
||
cofflink.c:_bfd_coff_final_link(). It is specifically different only
|
||
where the POWERPC_LE_PE macro modifies the code. It is left in as a
|
||
precise form of comment. krk@cygnus.com
|
||
*/
|
||
#define POWERPC_LE_PE
|
||
|
||
|
||
/* Do the final link step. */
|
||
|
||
boolean
|
||
ppc_bfd_coff_final_link (abfd, info)
|
||
bfd *abfd;
|
||
struct bfd_link_info *info;
|
||
{
|
||
bfd_size_type symesz;
|
||
struct coff_final_link_info finfo;
|
||
boolean debug_merge_allocated;
|
||
asection *o;
|
||
struct bfd_link_order *p;
|
||
size_t max_sym_count;
|
||
size_t max_lineno_count;
|
||
size_t max_reloc_count;
|
||
size_t max_output_reloc_count;
|
||
size_t max_contents_size;
|
||
file_ptr rel_filepos;
|
||
unsigned int relsz;
|
||
file_ptr line_filepos;
|
||
unsigned int linesz;
|
||
bfd *sub;
|
||
bfd_byte *external_relocs = NULL;
|
||
char strbuf[STRING_SIZE_SIZE];
|
||
|
||
symesz = bfd_coff_symesz (abfd);
|
||
|
||
finfo.info = info;
|
||
finfo.output_bfd = abfd;
|
||
finfo.strtab = NULL;
|
||
finfo.section_info = NULL;
|
||
finfo.last_file_index = -1;
|
||
finfo.internal_syms = NULL;
|
||
finfo.sec_ptrs = NULL;
|
||
finfo.sym_indices = NULL;
|
||
finfo.outsyms = NULL;
|
||
finfo.linenos = NULL;
|
||
finfo.contents = NULL;
|
||
finfo.external_relocs = NULL;
|
||
finfo.internal_relocs = NULL;
|
||
debug_merge_allocated = false;
|
||
|
||
coff_data (abfd)->link_info = info;
|
||
|
||
finfo.strtab = _bfd_stringtab_init ();
|
||
if (finfo.strtab == NULL)
|
||
goto error_return;
|
||
|
||
if (! coff_debug_merge_hash_table_init (&finfo.debug_merge))
|
||
goto error_return;
|
||
debug_merge_allocated = true;
|
||
|
||
/* Compute the file positions for all the sections. */
|
||
if (! abfd->output_has_begun)
|
||
bfd_coff_compute_section_file_positions (abfd);
|
||
|
||
/* Count the line numbers and relocation entries required for the
|
||
output file. Set the file positions for the relocs. */
|
||
rel_filepos = obj_relocbase (abfd);
|
||
relsz = bfd_coff_relsz (abfd);
|
||
max_contents_size = 0;
|
||
max_lineno_count = 0;
|
||
max_reloc_count = 0;
|
||
|
||
for (o = abfd->sections; o != NULL; o = o->next)
|
||
{
|
||
o->reloc_count = 0;
|
||
o->lineno_count = 0;
|
||
for (p = o->link_order_head; p != NULL; p = p->next)
|
||
{
|
||
|
||
if (p->type == bfd_indirect_link_order)
|
||
{
|
||
asection *sec;
|
||
|
||
sec = p->u.indirect.section;
|
||
|
||
/* Mark all sections which are to be included in the
|
||
link. This will normally be every section. We need
|
||
to do this so that we can identify any sections which
|
||
the linker has decided to not include. */
|
||
sec->linker_mark = true;
|
||
|
||
if (info->strip == strip_none
|
||
|| info->strip == strip_some)
|
||
o->lineno_count += sec->lineno_count;
|
||
|
||
if (info->relocateable)
|
||
o->reloc_count += sec->reloc_count;
|
||
|
||
if (sec->_raw_size > max_contents_size)
|
||
max_contents_size = sec->_raw_size;
|
||
if (sec->lineno_count > max_lineno_count)
|
||
max_lineno_count = sec->lineno_count;
|
||
if (sec->reloc_count > max_reloc_count)
|
||
max_reloc_count = sec->reloc_count;
|
||
}
|
||
else if (info->relocateable
|
||
&& (p->type == bfd_section_reloc_link_order
|
||
|| p->type == bfd_symbol_reloc_link_order))
|
||
++o->reloc_count;
|
||
}
|
||
if (o->reloc_count == 0)
|
||
o->rel_filepos = 0;
|
||
else
|
||
{
|
||
o->flags |= SEC_RELOC;
|
||
o->rel_filepos = rel_filepos;
|
||
rel_filepos += o->reloc_count * relsz;
|
||
}
|
||
}
|
||
|
||
/* If doing a relocateable link, allocate space for the pointers we
|
||
need to keep. */
|
||
if (info->relocateable)
|
||
{
|
||
unsigned int i;
|
||
|
||
/* We use section_count + 1, rather than section_count, because
|
||
the target_index fields are 1 based. */
|
||
finfo.section_info =
|
||
((struct coff_link_section_info *)
|
||
bfd_malloc ((abfd->section_count + 1)
|
||
* sizeof (struct coff_link_section_info)));
|
||
if (finfo.section_info == NULL)
|
||
goto error_return;
|
||
for (i = 0; i <= abfd->section_count; i++)
|
||
{
|
||
finfo.section_info[i].relocs = NULL;
|
||
finfo.section_info[i].rel_hashes = NULL;
|
||
}
|
||
}
|
||
|
||
/* We now know the size of the relocs, so we can determine the file
|
||
positions of the line numbers. */
|
||
line_filepos = rel_filepos;
|
||
linesz = bfd_coff_linesz (abfd);
|
||
max_output_reloc_count = 0;
|
||
for (o = abfd->sections; o != NULL; o = o->next)
|
||
{
|
||
if (o->lineno_count == 0)
|
||
o->line_filepos = 0;
|
||
else
|
||
{
|
||
o->line_filepos = line_filepos;
|
||
line_filepos += o->lineno_count * linesz;
|
||
}
|
||
|
||
if (o->reloc_count != 0)
|
||
{
|
||
/* We don't know the indices of global symbols until we have
|
||
written out all the local symbols. For each section in
|
||
the output file, we keep an array of pointers to hash
|
||
table entries. Each entry in the array corresponds to a
|
||
reloc. When we find a reloc against a global symbol, we
|
||
set the corresponding entry in this array so that we can
|
||
fix up the symbol index after we have written out all the
|
||
local symbols.
|
||
|
||
Because of this problem, we also keep the relocs in
|
||
memory until the end of the link. This wastes memory,
|
||
but only when doing a relocateable link, which is not the
|
||
common case. */
|
||
BFD_ASSERT (info->relocateable);
|
||
finfo.section_info[o->target_index].relocs =
|
||
((struct internal_reloc *)
|
||
bfd_malloc (o->reloc_count * sizeof (struct internal_reloc)));
|
||
finfo.section_info[o->target_index].rel_hashes =
|
||
((struct coff_link_hash_entry **)
|
||
bfd_malloc (o->reloc_count
|
||
* sizeof (struct coff_link_hash_entry *)));
|
||
if (finfo.section_info[o->target_index].relocs == NULL
|
||
|| finfo.section_info[o->target_index].rel_hashes == NULL)
|
||
goto error_return;
|
||
|
||
if (o->reloc_count > max_output_reloc_count)
|
||
max_output_reloc_count = o->reloc_count;
|
||
}
|
||
|
||
/* Reset the reloc and lineno counts, so that we can use them to
|
||
count the number of entries we have output so far. */
|
||
o->reloc_count = 0;
|
||
o->lineno_count = 0;
|
||
}
|
||
|
||
obj_sym_filepos (abfd) = line_filepos;
|
||
|
||
/* Figure out the largest number of symbols in an input BFD. Take
|
||
the opportunity to clear the output_has_begun fields of all the
|
||
input BFD's. */
|
||
max_sym_count = 0;
|
||
for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
|
||
{
|
||
size_t sz;
|
||
|
||
sub->output_has_begun = false;
|
||
sz = obj_raw_syment_count (sub);
|
||
if (sz > max_sym_count)
|
||
max_sym_count = sz;
|
||
}
|
||
|
||
/* Allocate some buffers used while linking. */
|
||
finfo.internal_syms = ((struct internal_syment *)
|
||
bfd_malloc (max_sym_count
|
||
* sizeof (struct internal_syment)));
|
||
finfo.sec_ptrs = (asection **) bfd_malloc (max_sym_count
|
||
* sizeof (asection *));
|
||
finfo.sym_indices = (long *) bfd_malloc (max_sym_count * sizeof (long));
|
||
finfo.outsyms = ((bfd_byte *)
|
||
bfd_malloc ((size_t) ((max_sym_count + 1) * symesz)));
|
||
finfo.linenos = (bfd_byte *) bfd_malloc (max_lineno_count
|
||
* bfd_coff_linesz (abfd));
|
||
finfo.contents = (bfd_byte *) bfd_malloc (max_contents_size);
|
||
finfo.external_relocs = (bfd_byte *) bfd_malloc (max_reloc_count * relsz);
|
||
if (! info->relocateable)
|
||
finfo.internal_relocs = ((struct internal_reloc *)
|
||
bfd_malloc (max_reloc_count
|
||
* sizeof (struct internal_reloc)));
|
||
if ((finfo.internal_syms == NULL && max_sym_count > 0)
|
||
|| (finfo.sec_ptrs == NULL && max_sym_count > 0)
|
||
|| (finfo.sym_indices == NULL && max_sym_count > 0)
|
||
|| finfo.outsyms == NULL
|
||
|| (finfo.linenos == NULL && max_lineno_count > 0)
|
||
|| (finfo.contents == NULL && max_contents_size > 0)
|
||
|| (finfo.external_relocs == NULL && max_reloc_count > 0)
|
||
|| (! info->relocateable
|
||
&& finfo.internal_relocs == NULL
|
||
&& max_reloc_count > 0))
|
||
goto error_return;
|
||
|
||
/* We now know the position of everything in the file, except that
|
||
we don't know the size of the symbol table and therefore we don't
|
||
know where the string table starts. We just build the string
|
||
table in memory as we go along. We process all the relocations
|
||
for a single input file at once. */
|
||
obj_raw_syment_count (abfd) = 0;
|
||
|
||
if (coff_backend_info (abfd)->_bfd_coff_start_final_link)
|
||
{
|
||
if (! bfd_coff_start_final_link (abfd, info))
|
||
goto error_return;
|
||
}
|
||
|
||
for (o = abfd->sections; o != NULL; o = o->next)
|
||
{
|
||
for (p = o->link_order_head; p != NULL; p = p->next)
|
||
{
|
||
if (p->type == bfd_indirect_link_order
|
||
&& (bfd_get_flavour (p->u.indirect.section->owner)
|
||
== bfd_target_coff_flavour))
|
||
{
|
||
sub = p->u.indirect.section->owner;
|
||
#ifdef POWERPC_LE_PE
|
||
if (! sub->output_has_begun && !ppc_do_last(sub))
|
||
#else
|
||
if (! sub->output_has_begun)
|
||
#endif
|
||
{
|
||
if (! _bfd_coff_link_input_bfd (&finfo, sub))
|
||
goto error_return;
|
||
sub->output_has_begun = true;
|
||
}
|
||
}
|
||
else if (p->type == bfd_section_reloc_link_order
|
||
|| p->type == bfd_symbol_reloc_link_order)
|
||
{
|
||
if (! _bfd_coff_reloc_link_order (abfd, &finfo, o, p))
|
||
goto error_return;
|
||
}
|
||
else
|
||
{
|
||
if (! _bfd_default_link_order (abfd, info, o, p))
|
||
goto error_return;
|
||
}
|
||
}
|
||
}
|
||
|
||
#ifdef POWERPC_LE_PE
|
||
{
|
||
extern bfd* ppc_get_last();
|
||
bfd* last_one = ppc_get_last();
|
||
if (last_one)
|
||
{
|
||
if (! _bfd_coff_link_input_bfd (&finfo, last_one))
|
||
goto error_return;
|
||
}
|
||
last_one->output_has_begun = true;
|
||
}
|
||
#endif
|
||
|
||
/* Free up the buffers used by _bfd_coff_link_input_bfd. */
|
||
|
||
coff_debug_merge_hash_table_free (&finfo.debug_merge);
|
||
debug_merge_allocated = false;
|
||
|
||
if (finfo.internal_syms != NULL)
|
||
{
|
||
free (finfo.internal_syms);
|
||
finfo.internal_syms = NULL;
|
||
}
|
||
if (finfo.sec_ptrs != NULL)
|
||
{
|
||
free (finfo.sec_ptrs);
|
||
finfo.sec_ptrs = NULL;
|
||
}
|
||
if (finfo.sym_indices != NULL)
|
||
{
|
||
free (finfo.sym_indices);
|
||
finfo.sym_indices = NULL;
|
||
}
|
||
if (finfo.linenos != NULL)
|
||
{
|
||
free (finfo.linenos);
|
||
finfo.linenos = NULL;
|
||
}
|
||
if (finfo.contents != NULL)
|
||
{
|
||
free (finfo.contents);
|
||
finfo.contents = NULL;
|
||
}
|
||
if (finfo.external_relocs != NULL)
|
||
{
|
||
free (finfo.external_relocs);
|
||
finfo.external_relocs = NULL;
|
||
}
|
||
if (finfo.internal_relocs != NULL)
|
||
{
|
||
free (finfo.internal_relocs);
|
||
finfo.internal_relocs = NULL;
|
||
}
|
||
|
||
/* The value of the last C_FILE symbol is supposed to be the symbol
|
||
index of the first external symbol. Write it out again if
|
||
necessary. */
|
||
if (finfo.last_file_index != -1
|
||
&& (unsigned int) finfo.last_file.n_value != obj_raw_syment_count (abfd))
|
||
{
|
||
finfo.last_file.n_value = obj_raw_syment_count (abfd);
|
||
bfd_coff_swap_sym_out (abfd, (PTR) &finfo.last_file,
|
||
(PTR) finfo.outsyms);
|
||
if (bfd_seek (abfd,
|
||
(obj_sym_filepos (abfd)
|
||
+ finfo.last_file_index * symesz),
|
||
SEEK_SET) != 0
|
||
|| bfd_write (finfo.outsyms, symesz, 1, abfd) != symesz)
|
||
return false;
|
||
}
|
||
|
||
/* Write out the global symbols. */
|
||
finfo.failed = false;
|
||
coff_link_hash_traverse (coff_hash_table (info), _bfd_coff_write_global_sym,
|
||
(PTR) &finfo);
|
||
if (finfo.failed)
|
||
goto error_return;
|
||
|
||
/* The outsyms buffer is used by _bfd_coff_write_global_sym. */
|
||
if (finfo.outsyms != NULL)
|
||
{
|
||
free (finfo.outsyms);
|
||
finfo.outsyms = NULL;
|
||
}
|
||
|
||
if (info->relocateable)
|
||
{
|
||
/* Now that we have written out all the global symbols, we know
|
||
the symbol indices to use for relocs against them, and we can
|
||
finally write out the relocs. */
|
||
external_relocs = ((bfd_byte *)
|
||
bfd_malloc (max_output_reloc_count * relsz));
|
||
if (external_relocs == NULL)
|
||
goto error_return;
|
||
|
||
for (o = abfd->sections; o != NULL; o = o->next)
|
||
{
|
||
struct internal_reloc *irel;
|
||
struct internal_reloc *irelend;
|
||
struct coff_link_hash_entry **rel_hash;
|
||
bfd_byte *erel;
|
||
|
||
if (o->reloc_count == 0)
|
||
continue;
|
||
|
||
irel = finfo.section_info[o->target_index].relocs;
|
||
irelend = irel + o->reloc_count;
|
||
rel_hash = finfo.section_info[o->target_index].rel_hashes;
|
||
erel = external_relocs;
|
||
for (; irel < irelend; irel++, rel_hash++, erel += relsz)
|
||
{
|
||
if (*rel_hash != NULL)
|
||
{
|
||
BFD_ASSERT ((*rel_hash)->indx >= 0);
|
||
irel->r_symndx = (*rel_hash)->indx;
|
||
}
|
||
bfd_coff_swap_reloc_out (abfd, (PTR) irel, (PTR) erel);
|
||
}
|
||
|
||
if (bfd_seek (abfd, o->rel_filepos, SEEK_SET) != 0
|
||
|| bfd_write ((PTR) external_relocs, relsz, o->reloc_count,
|
||
abfd) != relsz * o->reloc_count)
|
||
goto error_return;
|
||
}
|
||
|
||
free (external_relocs);
|
||
external_relocs = NULL;
|
||
}
|
||
|
||
/* Free up the section information. */
|
||
if (finfo.section_info != NULL)
|
||
{
|
||
unsigned int i;
|
||
|
||
for (i = 0; i < abfd->section_count; i++)
|
||
{
|
||
if (finfo.section_info[i].relocs != NULL)
|
||
free (finfo.section_info[i].relocs);
|
||
if (finfo.section_info[i].rel_hashes != NULL)
|
||
free (finfo.section_info[i].rel_hashes);
|
||
}
|
||
free (finfo.section_info);
|
||
finfo.section_info = NULL;
|
||
}
|
||
|
||
/* Write out the string table. */
|
||
if (obj_raw_syment_count (abfd) != 0)
|
||
{
|
||
if (bfd_seek (abfd,
|
||
(obj_sym_filepos (abfd)
|
||
+ obj_raw_syment_count (abfd) * symesz),
|
||
SEEK_SET) != 0)
|
||
return false;
|
||
|
||
#if STRING_SIZE_SIZE == 4
|
||
bfd_h_put_32 (abfd,
|
||
_bfd_stringtab_size (finfo.strtab) + STRING_SIZE_SIZE,
|
||
(bfd_byte *) strbuf);
|
||
#else
|
||
#error Change bfd_h_put_32
|
||
#endif
|
||
|
||
if (bfd_write (strbuf, 1, STRING_SIZE_SIZE, abfd) != STRING_SIZE_SIZE)
|
||
return false;
|
||
|
||
if (! _bfd_stringtab_emit (abfd, finfo.strtab))
|
||
return false;
|
||
}
|
||
|
||
_bfd_stringtab_free (finfo.strtab);
|
||
|
||
/* Setting bfd_get_symcount to 0 will cause write_object_contents to
|
||
not try to write out the symbols. */
|
||
bfd_get_symcount (abfd) = 0;
|
||
|
||
return true;
|
||
|
||
error_return:
|
||
if (debug_merge_allocated)
|
||
coff_debug_merge_hash_table_free (&finfo.debug_merge);
|
||
if (finfo.strtab != NULL)
|
||
_bfd_stringtab_free (finfo.strtab);
|
||
if (finfo.section_info != NULL)
|
||
{
|
||
unsigned int i;
|
||
|
||
for (i = 0; i < abfd->section_count; i++)
|
||
{
|
||
if (finfo.section_info[i].relocs != NULL)
|
||
free (finfo.section_info[i].relocs);
|
||
if (finfo.section_info[i].rel_hashes != NULL)
|
||
free (finfo.section_info[i].rel_hashes);
|
||
}
|
||
free (finfo.section_info);
|
||
}
|
||
if (finfo.internal_syms != NULL)
|
||
free (finfo.internal_syms);
|
||
if (finfo.sec_ptrs != NULL)
|
||
free (finfo.sec_ptrs);
|
||
if (finfo.sym_indices != NULL)
|
||
free (finfo.sym_indices);
|
||
if (finfo.outsyms != NULL)
|
||
free (finfo.outsyms);
|
||
if (finfo.linenos != NULL)
|
||
free (finfo.linenos);
|
||
if (finfo.contents != NULL)
|
||
free (finfo.contents);
|
||
if (finfo.external_relocs != NULL)
|
||
free (finfo.external_relocs);
|
||
if (finfo.internal_relocs != NULL)
|
||
free (finfo.internal_relocs);
|
||
if (external_relocs != NULL)
|
||
free (external_relocs);
|
||
return false;
|
||
}
|
||
#endif
|
||
|
||
|
||
/* The transfer vectors that lead the outside world to all of the above. */
|
||
|
||
#ifdef TARGET_LITTLE_SYM
|
||
const bfd_target
|
||
TARGET_LITTLE_SYM =
|
||
{
|
||
TARGET_LITTLE_NAME, /* name or coff-arm-little */
|
||
bfd_target_coff_flavour,
|
||
BFD_ENDIAN_LITTLE, /* data byte order is little */
|
||
BFD_ENDIAN_LITTLE, /* header byte order is little */
|
||
|
||
(HAS_RELOC | EXEC_P | /* FIXME: object flags */
|
||
HAS_LINENO | HAS_DEBUG |
|
||
HAS_SYMS | HAS_LOCALS | WP_TEXT),
|
||
|
||
#ifndef COFF_WITH_PE
|
||
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
|
||
#else
|
||
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */
|
||
| SEC_LINK_ONCE | SEC_LINK_DUPLICATES),
|
||
#endif
|
||
|
||
0, /* leading char */
|
||
'/', /* ar_pad_char */
|
||
15, /* ar_max_namelen??? FIXMEmgo */
|
||
|
||
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
|
||
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
|
||
bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
|
||
|
||
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
|
||
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
|
||
bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
|
||
|
||
{_bfd_dummy_target, coff_object_p, /* bfd_check_format */
|
||
bfd_generic_archive_p, /* _bfd_dummy_target */ coff_object_p },
|
||
{bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
|
||
bfd_false},
|
||
{bfd_false, coff_write_object_contents, /* bfd_write_contents */
|
||
_bfd_write_archive_contents, bfd_false},
|
||
|
||
BFD_JUMP_TABLE_GENERIC (coff),
|
||
BFD_JUMP_TABLE_COPY (coff),
|
||
BFD_JUMP_TABLE_CORE (_bfd_nocore),
|
||
BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
|
||
BFD_JUMP_TABLE_SYMBOLS (coff),
|
||
BFD_JUMP_TABLE_RELOCS (coff),
|
||
BFD_JUMP_TABLE_WRITE (coff),
|
||
BFD_JUMP_TABLE_LINK (coff),
|
||
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
|
||
|
||
COFF_SWAP_TABLE,
|
||
};
|
||
#endif
|
||
|
||
#ifdef TARGET_BIG_SYM
|
||
const bfd_target
|
||
TARGET_BIG_SYM =
|
||
{
|
||
TARGET_BIG_NAME,
|
||
bfd_target_coff_flavour,
|
||
BFD_ENDIAN_BIG, /* data byte order is big */
|
||
BFD_ENDIAN_BIG, /* header byte order is big */
|
||
|
||
(HAS_RELOC | EXEC_P | /* FIXME: object flags */
|
||
HAS_LINENO | HAS_DEBUG |
|
||
HAS_SYMS | HAS_LOCALS | WP_TEXT),
|
||
|
||
#ifndef COFF_WITH_PE
|
||
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
|
||
#else
|
||
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC /* section flags */
|
||
| SEC_LINK_ONCE | SEC_LINK_DUPLICATES),
|
||
#endif
|
||
|
||
0, /* leading char */
|
||
'/', /* ar_pad_char */
|
||
15, /* ar_max_namelen??? FIXMEmgo */
|
||
|
||
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
|
||
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
|
||
bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
|
||
|
||
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
|
||
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
|
||
bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
|
||
|
||
{_bfd_dummy_target, coff_object_p, /* bfd_check_format */
|
||
bfd_generic_archive_p, /* _bfd_dummy_target */ coff_object_p },
|
||
{bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
|
||
bfd_false},
|
||
{bfd_false, coff_write_object_contents, /* bfd_write_contents */
|
||
_bfd_write_archive_contents, bfd_false},
|
||
|
||
BFD_JUMP_TABLE_GENERIC (coff),
|
||
BFD_JUMP_TABLE_COPY (coff),
|
||
BFD_JUMP_TABLE_CORE (_bfd_nocore),
|
||
BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
|
||
BFD_JUMP_TABLE_SYMBOLS (coff),
|
||
BFD_JUMP_TABLE_RELOCS (coff),
|
||
BFD_JUMP_TABLE_WRITE (coff),
|
||
BFD_JUMP_TABLE_LINK (coff),
|
||
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
|
||
|
||
COFF_SWAP_TABLE,
|
||
};
|
||
|
||
#endif
|