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https://sourceware.org/git/binutils-gdb.git
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0e9f083f4c
This removes gdb_string.h. This patch is purely mechanical. I
created it by running the two commands:
git rm common/gdb_string.h
perl -pi -e's/"gdb_string.h"/<string.h>/;' *.[chyl] */*.[chyl]
2013-11-18 Tom Tromey <tromey@redhat.com>
* common/gdb_string.h: Remove.
* aarch64-tdep.c: Use string.h, not gdb_string.h.
* ada-exp.y: Use string.h, not gdb_string.h.
* ada-lang.c: Use string.h, not gdb_string.h.
* ada-lex.l: Use string.h, not gdb_string.h.
* ada-typeprint.c: Use string.h, not gdb_string.h.
* ada-valprint.c: Use string.h, not gdb_string.h.
* aix-thread.c: Use string.h, not gdb_string.h.
* alpha-linux-tdep.c: Use string.h, not gdb_string.h.
* alpha-mdebug-tdep.c: Use string.h, not gdb_string.h.
* alpha-nat.c: Use string.h, not gdb_string.h.
* alpha-osf1-tdep.c: Use string.h, not gdb_string.h.
* alpha-tdep.c: Use string.h, not gdb_string.h.
* alphanbsd-tdep.c: Use string.h, not gdb_string.h.
* amd64-dicos-tdep.c: Use string.h, not gdb_string.h.
* amd64-linux-nat.c: Use string.h, not gdb_string.h.
* amd64-linux-tdep.c: Use string.h, not gdb_string.h.
* amd64-nat.c: Use string.h, not gdb_string.h.
* amd64-sol2-tdep.c: Use string.h, not gdb_string.h.
* amd64fbsd-tdep.c: Use string.h, not gdb_string.h.
* amd64obsd-tdep.c: Use string.h, not gdb_string.h.
* arch-utils.c: Use string.h, not gdb_string.h.
* arm-linux-nat.c: Use string.h, not gdb_string.h.
* arm-linux-tdep.c: Use string.h, not gdb_string.h.
* arm-tdep.c: Use string.h, not gdb_string.h.
* arm-wince-tdep.c: Use string.h, not gdb_string.h.
* armbsd-tdep.c: Use string.h, not gdb_string.h.
* armnbsd-nat.c: Use string.h, not gdb_string.h.
* armnbsd-tdep.c: Use string.h, not gdb_string.h.
* armobsd-tdep.c: Use string.h, not gdb_string.h.
* avr-tdep.c: Use string.h, not gdb_string.h.
* ax-gdb.c: Use string.h, not gdb_string.h.
* ax-general.c: Use string.h, not gdb_string.h.
* bcache.c: Use string.h, not gdb_string.h.
* bfin-tdep.c: Use string.h, not gdb_string.h.
* breakpoint.c: Use string.h, not gdb_string.h.
* build-id.c: Use string.h, not gdb_string.h.
* buildsym.c: Use string.h, not gdb_string.h.
* c-exp.y: Use string.h, not gdb_string.h.
* c-lang.c: Use string.h, not gdb_string.h.
* c-typeprint.c: Use string.h, not gdb_string.h.
* c-valprint.c: Use string.h, not gdb_string.h.
* charset.c: Use string.h, not gdb_string.h.
* cli-out.c: Use string.h, not gdb_string.h.
* cli/cli-cmds.c: Use string.h, not gdb_string.h.
* cli/cli-decode.c: Use string.h, not gdb_string.h.
* cli/cli-dump.c: Use string.h, not gdb_string.h.
* cli/cli-interp.c: Use string.h, not gdb_string.h.
* cli/cli-logging.c: Use string.h, not gdb_string.h.
* cli/cli-script.c: Use string.h, not gdb_string.h.
* cli/cli-setshow.c: Use string.h, not gdb_string.h.
* cli/cli-utils.c: Use string.h, not gdb_string.h.
* coffread.c: Use string.h, not gdb_string.h.
* common/common-utils.c: Use string.h, not gdb_string.h.
* common/filestuff.c: Use string.h, not gdb_string.h.
* common/linux-procfs.c: Use string.h, not gdb_string.h.
* common/linux-ptrace.c: Use string.h, not gdb_string.h.
* common/signals.c: Use string.h, not gdb_string.h.
* common/vec.h: Use string.h, not gdb_string.h.
* core-regset.c: Use string.h, not gdb_string.h.
* corefile.c: Use string.h, not gdb_string.h.
* corelow.c: Use string.h, not gdb_string.h.
* cp-abi.c: Use string.h, not gdb_string.h.
* cp-support.c: Use string.h, not gdb_string.h.
* cp-valprint.c: Use string.h, not gdb_string.h.
* cris-tdep.c: Use string.h, not gdb_string.h.
* d-lang.c: Use string.h, not gdb_string.h.
* dbxread.c: Use string.h, not gdb_string.h.
* dcache.c: Use string.h, not gdb_string.h.
* demangle.c: Use string.h, not gdb_string.h.
* dicos-tdep.c: Use string.h, not gdb_string.h.
* disasm.c: Use string.h, not gdb_string.h.
* doublest.c: Use string.h, not gdb_string.h.
* dsrec.c: Use string.h, not gdb_string.h.
* dummy-frame.c: Use string.h, not gdb_string.h.
* dwarf2-frame.c: Use string.h, not gdb_string.h.
* dwarf2loc.c: Use string.h, not gdb_string.h.
* dwarf2read.c: Use string.h, not gdb_string.h.
* elfread.c: Use string.h, not gdb_string.h.
* environ.c: Use string.h, not gdb_string.h.
* eval.c: Use string.h, not gdb_string.h.
* event-loop.c: Use string.h, not gdb_string.h.
* exceptions.c: Use string.h, not gdb_string.h.
* exec.c: Use string.h, not gdb_string.h.
* expprint.c: Use string.h, not gdb_string.h.
* f-exp.y: Use string.h, not gdb_string.h.
* f-lang.c: Use string.h, not gdb_string.h.
* f-typeprint.c: Use string.h, not gdb_string.h.
* f-valprint.c: Use string.h, not gdb_string.h.
* fbsd-nat.c: Use string.h, not gdb_string.h.
* findcmd.c: Use string.h, not gdb_string.h.
* findvar.c: Use string.h, not gdb_string.h.
* fork-child.c: Use string.h, not gdb_string.h.
* frame.c: Use string.h, not gdb_string.h.
* frv-linux-tdep.c: Use string.h, not gdb_string.h.
* frv-tdep.c: Use string.h, not gdb_string.h.
* gdb.c: Use string.h, not gdb_string.h.
* gdb_bfd.c: Use string.h, not gdb_string.h.
* gdbarch.c: Use string.h, not gdb_string.h.
* gdbtypes.c: Use string.h, not gdb_string.h.
* gnu-nat.c: Use string.h, not gdb_string.h.
* gnu-v2-abi.c: Use string.h, not gdb_string.h.
* gnu-v3-abi.c: Use string.h, not gdb_string.h.
* go-exp.y: Use string.h, not gdb_string.h.
* go-lang.c: Use string.h, not gdb_string.h.
* go32-nat.c: Use string.h, not gdb_string.h.
* hppa-hpux-tdep.c: Use string.h, not gdb_string.h.
* hppa-linux-nat.c: Use string.h, not gdb_string.h.
* hppanbsd-tdep.c: Use string.h, not gdb_string.h.
* hppaobsd-tdep.c: Use string.h, not gdb_string.h.
* i386-cygwin-tdep.c: Use string.h, not gdb_string.h.
* i386-dicos-tdep.c: Use string.h, not gdb_string.h.
* i386-linux-nat.c: Use string.h, not gdb_string.h.
* i386-linux-tdep.c: Use string.h, not gdb_string.h.
* i386-nto-tdep.c: Use string.h, not gdb_string.h.
* i386-sol2-tdep.c: Use string.h, not gdb_string.h.
* i386-tdep.c: Use string.h, not gdb_string.h.
* i386bsd-tdep.c: Use string.h, not gdb_string.h.
* i386gnu-nat.c: Use string.h, not gdb_string.h.
* i386nbsd-tdep.c: Use string.h, not gdb_string.h.
* i386obsd-tdep.c: Use string.h, not gdb_string.h.
* i387-tdep.c: Use string.h, not gdb_string.h.
* ia64-libunwind-tdep.c: Use string.h, not gdb_string.h.
* ia64-linux-nat.c: Use string.h, not gdb_string.h.
* inf-child.c: Use string.h, not gdb_string.h.
* inf-ptrace.c: Use string.h, not gdb_string.h.
* inf-ttrace.c: Use string.h, not gdb_string.h.
* infcall.c: Use string.h, not gdb_string.h.
* infcmd.c: Use string.h, not gdb_string.h.
* inflow.c: Use string.h, not gdb_string.h.
* infrun.c: Use string.h, not gdb_string.h.
* interps.c: Use string.h, not gdb_string.h.
* iq2000-tdep.c: Use string.h, not gdb_string.h.
* irix5-nat.c: Use string.h, not gdb_string.h.
* jv-exp.y: Use string.h, not gdb_string.h.
* jv-lang.c: Use string.h, not gdb_string.h.
* jv-typeprint.c: Use string.h, not gdb_string.h.
* jv-valprint.c: Use string.h, not gdb_string.h.
* language.c: Use string.h, not gdb_string.h.
* linux-fork.c: Use string.h, not gdb_string.h.
* linux-nat.c: Use string.h, not gdb_string.h.
* lm32-tdep.c: Use string.h, not gdb_string.h.
* m2-exp.y: Use string.h, not gdb_string.h.
* m2-typeprint.c: Use string.h, not gdb_string.h.
* m32c-tdep.c: Use string.h, not gdb_string.h.
* m32r-linux-nat.c: Use string.h, not gdb_string.h.
* m32r-linux-tdep.c: Use string.h, not gdb_string.h.
* m32r-rom.c: Use string.h, not gdb_string.h.
* m32r-tdep.c: Use string.h, not gdb_string.h.
* m68hc11-tdep.c: Use string.h, not gdb_string.h.
* m68k-tdep.c: Use string.h, not gdb_string.h.
* m68kbsd-tdep.c: Use string.h, not gdb_string.h.
* m68klinux-nat.c: Use string.h, not gdb_string.h.
* m68klinux-tdep.c: Use string.h, not gdb_string.h.
* m88k-tdep.c: Use string.h, not gdb_string.h.
* macrocmd.c: Use string.h, not gdb_string.h.
* main.c: Use string.h, not gdb_string.h.
* mdebugread.c: Use string.h, not gdb_string.h.
* mem-break.c: Use string.h, not gdb_string.h.
* memattr.c: Use string.h, not gdb_string.h.
* memory-map.c: Use string.h, not gdb_string.h.
* mep-tdep.c: Use string.h, not gdb_string.h.
* mi/mi-cmd-break.c: Use string.h, not gdb_string.h.
* mi/mi-cmd-disas.c: Use string.h, not gdb_string.h.
* mi/mi-cmd-env.c: Use string.h, not gdb_string.h.
* mi/mi-cmd-stack.c: Use string.h, not gdb_string.h.
* mi/mi-cmd-var.c: Use string.h, not gdb_string.h.
* mi/mi-cmds.c: Use string.h, not gdb_string.h.
* mi/mi-console.c: Use string.h, not gdb_string.h.
* mi/mi-getopt.c: Use string.h, not gdb_string.h.
* mi/mi-interp.c: Use string.h, not gdb_string.h.
* mi/mi-main.c: Use string.h, not gdb_string.h.
* mi/mi-parse.c: Use string.h, not gdb_string.h.
* microblaze-rom.c: Use string.h, not gdb_string.h.
* microblaze-tdep.c: Use string.h, not gdb_string.h.
* mingw-hdep.c: Use string.h, not gdb_string.h.
* minidebug.c: Use string.h, not gdb_string.h.
* minsyms.c: Use string.h, not gdb_string.h.
* mips-irix-tdep.c: Use string.h, not gdb_string.h.
* mips-linux-tdep.c: Use string.h, not gdb_string.h.
* mips-tdep.c: Use string.h, not gdb_string.h.
* mips64obsd-tdep.c: Use string.h, not gdb_string.h.
* mipsnbsd-tdep.c: Use string.h, not gdb_string.h.
* mipsread.c: Use string.h, not gdb_string.h.
* mn10300-linux-tdep.c: Use string.h, not gdb_string.h.
* mn10300-tdep.c: Use string.h, not gdb_string.h.
* monitor.c: Use string.h, not gdb_string.h.
* moxie-tdep.c: Use string.h, not gdb_string.h.
* mt-tdep.c: Use string.h, not gdb_string.h.
* nbsd-tdep.c: Use string.h, not gdb_string.h.
* nios2-linux-tdep.c: Use string.h, not gdb_string.h.
* nto-procfs.c: Use string.h, not gdb_string.h.
* nto-tdep.c: Use string.h, not gdb_string.h.
* objc-lang.c: Use string.h, not gdb_string.h.
* objfiles.c: Use string.h, not gdb_string.h.
* opencl-lang.c: Use string.h, not gdb_string.h.
* osabi.c: Use string.h, not gdb_string.h.
* osdata.c: Use string.h, not gdb_string.h.
* p-exp.y: Use string.h, not gdb_string.h.
* p-lang.c: Use string.h, not gdb_string.h.
* p-typeprint.c: Use string.h, not gdb_string.h.
* parse.c: Use string.h, not gdb_string.h.
* posix-hdep.c: Use string.h, not gdb_string.h.
* ppc-linux-nat.c: Use string.h, not gdb_string.h.
* ppc-sysv-tdep.c: Use string.h, not gdb_string.h.
* ppcfbsd-tdep.c: Use string.h, not gdb_string.h.
* ppcnbsd-tdep.c: Use string.h, not gdb_string.h.
* ppcobsd-tdep.c: Use string.h, not gdb_string.h.
* printcmd.c: Use string.h, not gdb_string.h.
* procfs.c: Use string.h, not gdb_string.h.
* prologue-value.c: Use string.h, not gdb_string.h.
* python/py-auto-load.c: Use string.h, not gdb_string.h.
* python/py-gdb-readline.c: Use string.h, not gdb_string.h.
* ravenscar-thread.c: Use string.h, not gdb_string.h.
* regcache.c: Use string.h, not gdb_string.h.
* registry.c: Use string.h, not gdb_string.h.
* remote-fileio.c: Use string.h, not gdb_string.h.
* remote-m32r-sdi.c: Use string.h, not gdb_string.h.
* remote-mips.c: Use string.h, not gdb_string.h.
* remote-sim.c: Use string.h, not gdb_string.h.
* remote.c: Use string.h, not gdb_string.h.
* reverse.c: Use string.h, not gdb_string.h.
* rs6000-aix-tdep.c: Use string.h, not gdb_string.h.
* ser-base.c: Use string.h, not gdb_string.h.
* ser-go32.c: Use string.h, not gdb_string.h.
* ser-mingw.c: Use string.h, not gdb_string.h.
* ser-pipe.c: Use string.h, not gdb_string.h.
* ser-tcp.c: Use string.h, not gdb_string.h.
* ser-unix.c: Use string.h, not gdb_string.h.
* serial.c: Use string.h, not gdb_string.h.
* sh-tdep.c: Use string.h, not gdb_string.h.
* sh64-tdep.c: Use string.h, not gdb_string.h.
* shnbsd-tdep.c: Use string.h, not gdb_string.h.
* skip.c: Use string.h, not gdb_string.h.
* sol-thread.c: Use string.h, not gdb_string.h.
* solib-dsbt.c: Use string.h, not gdb_string.h.
* solib-frv.c: Use string.h, not gdb_string.h.
* solib-osf.c: Use string.h, not gdb_string.h.
* solib-spu.c: Use string.h, not gdb_string.h.
* solib-target.c: Use string.h, not gdb_string.h.
* solib.c: Use string.h, not gdb_string.h.
* somread.c: Use string.h, not gdb_string.h.
* source.c: Use string.h, not gdb_string.h.
* sparc-nat.c: Use string.h, not gdb_string.h.
* sparc-sol2-tdep.c: Use string.h, not gdb_string.h.
* sparc-tdep.c: Use string.h, not gdb_string.h.
* sparc64-tdep.c: Use string.h, not gdb_string.h.
* sparc64fbsd-tdep.c: Use string.h, not gdb_string.h.
* sparc64nbsd-tdep.c: Use string.h, not gdb_string.h.
* sparcnbsd-tdep.c: Use string.h, not gdb_string.h.
* spu-linux-nat.c: Use string.h, not gdb_string.h.
* spu-multiarch.c: Use string.h, not gdb_string.h.
* spu-tdep.c: Use string.h, not gdb_string.h.
* stabsread.c: Use string.h, not gdb_string.h.
* stack.c: Use string.h, not gdb_string.h.
* std-regs.c: Use string.h, not gdb_string.h.
* symfile.c: Use string.h, not gdb_string.h.
* symmisc.c: Use string.h, not gdb_string.h.
* symtab.c: Use string.h, not gdb_string.h.
* target.c: Use string.h, not gdb_string.h.
* thread.c: Use string.h, not gdb_string.h.
* tilegx-linux-nat.c: Use string.h, not gdb_string.h.
* tilegx-tdep.c: Use string.h, not gdb_string.h.
* top.c: Use string.h, not gdb_string.h.
* tracepoint.c: Use string.h, not gdb_string.h.
* tui/tui-command.c: Use string.h, not gdb_string.h.
* tui/tui-data.c: Use string.h, not gdb_string.h.
* tui/tui-disasm.c: Use string.h, not gdb_string.h.
* tui/tui-file.c: Use string.h, not gdb_string.h.
* tui/tui-layout.c: Use string.h, not gdb_string.h.
* tui/tui-out.c: Use string.h, not gdb_string.h.
* tui/tui-regs.c: Use string.h, not gdb_string.h.
* tui/tui-source.c: Use string.h, not gdb_string.h.
* tui/tui-stack.c: Use string.h, not gdb_string.h.
* tui/tui-win.c: Use string.h, not gdb_string.h.
* tui/tui-windata.c: Use string.h, not gdb_string.h.
* tui/tui-winsource.c: Use string.h, not gdb_string.h.
* typeprint.c: Use string.h, not gdb_string.h.
* ui-file.c: Use string.h, not gdb_string.h.
* ui-out.c: Use string.h, not gdb_string.h.
* user-regs.c: Use string.h, not gdb_string.h.
* utils.c: Use string.h, not gdb_string.h.
* v850-tdep.c: Use string.h, not gdb_string.h.
* valarith.c: Use string.h, not gdb_string.h.
* valops.c: Use string.h, not gdb_string.h.
* valprint.c: Use string.h, not gdb_string.h.
* value.c: Use string.h, not gdb_string.h.
* varobj.c: Use string.h, not gdb_string.h.
* vax-tdep.c: Use string.h, not gdb_string.h.
* vaxnbsd-tdep.c: Use string.h, not gdb_string.h.
* vaxobsd-tdep.c: Use string.h, not gdb_string.h.
* windows-nat.c: Use string.h, not gdb_string.h.
* xcoffread.c: Use string.h, not gdb_string.h.
* xml-support.c: Use string.h, not gdb_string.h.
* xstormy16-tdep.c: Use string.h, not gdb_string.h.
* xtensa-linux-nat.c: Use string.h, not gdb_string.h.
1581 lines
47 KiB
C
1581 lines
47 KiB
C
/* Support routines for building symbol tables in GDB's internal format.
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Copyright (C) 1986-2013 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* This module provides subroutines used for creating and adding to
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the symbol table. These routines are called from various symbol-
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file-reading routines.
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Routines to support specific debugging information formats (stabs,
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DWARF, etc) belong somewhere else. */
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#include "defs.h"
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#include "bfd.h"
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#include "gdb_obstack.h"
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#include "symtab.h"
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#include "symfile.h"
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#include "objfiles.h"
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#include "gdbtypes.h"
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#include "gdb_assert.h"
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#include "complaints.h"
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#include <string.h>
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#include "expression.h" /* For "enum exp_opcode" used by... */
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#include "bcache.h"
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#include "filenames.h" /* For DOSish file names. */
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#include "macrotab.h"
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#include "demangle.h" /* Needed by SYMBOL_INIT_DEMANGLED_NAME. */
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#include "block.h"
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#include "cp-support.h"
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#include "dictionary.h"
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#include "addrmap.h"
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/* Ask buildsym.h to define the vars it normally declares `extern'. */
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#define EXTERN
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/**/
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#include "buildsym.h" /* Our own declarations. */
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#undef EXTERN
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/* For cleanup_undefined_stabs_types and finish_global_stabs (somewhat
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questionable--see comment where we call them). */
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#include "stabsread.h"
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/* List of subfiles. */
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static struct subfile *subfiles;
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/* List of free `struct pending' structures for reuse. */
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static struct pending *free_pendings;
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/* Non-zero if symtab has line number info. This prevents an
|
||
otherwise empty symtab from being tossed. */
|
||
|
||
static int have_line_numbers;
|
||
|
||
/* The mutable address map for the compilation unit whose symbols
|
||
we're currently reading. The symtabs' shared blockvector will
|
||
point to a fixed copy of this. */
|
||
static struct addrmap *pending_addrmap;
|
||
|
||
/* The obstack on which we allocate pending_addrmap.
|
||
If pending_addrmap is NULL, this is uninitialized; otherwise, it is
|
||
initialized (and holds pending_addrmap). */
|
||
static struct obstack pending_addrmap_obstack;
|
||
|
||
/* Non-zero if we recorded any ranges in the addrmap that are
|
||
different from those in the blockvector already. We set this to
|
||
zero when we start processing a symfile, and if it's still zero at
|
||
the end, then we just toss the addrmap. */
|
||
static int pending_addrmap_interesting;
|
||
|
||
/* An obstack used for allocating pending blocks. */
|
||
|
||
static struct obstack pending_block_obstack;
|
||
|
||
/* List of blocks already made (lexical contexts already closed).
|
||
This is used at the end to make the blockvector. */
|
||
|
||
struct pending_block
|
||
{
|
||
struct pending_block *next;
|
||
struct block *block;
|
||
};
|
||
|
||
/* Pointer to the head of a linked list of symbol blocks which have
|
||
already been finalized (lexical contexts already closed) and which
|
||
are just waiting to be built into a blockvector when finalizing the
|
||
associated symtab. */
|
||
|
||
static struct pending_block *pending_blocks;
|
||
|
||
struct subfile_stack
|
||
{
|
||
struct subfile_stack *next;
|
||
char *name;
|
||
};
|
||
|
||
static struct subfile_stack *subfile_stack;
|
||
|
||
/* The macro table for the compilation unit whose symbols we're
|
||
currently reading. All the symtabs for the CU will point to this. */
|
||
static struct macro_table *pending_macros;
|
||
|
||
static int compare_line_numbers (const void *ln1p, const void *ln2p);
|
||
|
||
static void record_pending_block (struct objfile *objfile,
|
||
struct block *block,
|
||
struct pending_block *opblock);
|
||
|
||
/* Initial sizes of data structures. These are realloc'd larger if
|
||
needed, and realloc'd down to the size actually used, when
|
||
completed. */
|
||
|
||
#define INITIAL_CONTEXT_STACK_SIZE 10
|
||
#define INITIAL_LINE_VECTOR_LENGTH 1000
|
||
|
||
|
||
/* Maintain the lists of symbols and blocks. */
|
||
|
||
/* Add a symbol to one of the lists of symbols. */
|
||
|
||
void
|
||
add_symbol_to_list (struct symbol *symbol, struct pending **listhead)
|
||
{
|
||
struct pending *link;
|
||
|
||
/* If this is an alias for another symbol, don't add it. */
|
||
if (symbol->ginfo.name && symbol->ginfo.name[0] == '#')
|
||
return;
|
||
|
||
/* We keep PENDINGSIZE symbols in each link of the list. If we
|
||
don't have a link with room in it, add a new link. */
|
||
if (*listhead == NULL || (*listhead)->nsyms == PENDINGSIZE)
|
||
{
|
||
if (free_pendings)
|
||
{
|
||
link = free_pendings;
|
||
free_pendings = link->next;
|
||
}
|
||
else
|
||
{
|
||
link = (struct pending *) xmalloc (sizeof (struct pending));
|
||
}
|
||
|
||
link->next = *listhead;
|
||
*listhead = link;
|
||
link->nsyms = 0;
|
||
}
|
||
|
||
(*listhead)->symbol[(*listhead)->nsyms++] = symbol;
|
||
}
|
||
|
||
/* Find a symbol named NAME on a LIST. NAME need not be
|
||
'\0'-terminated; LENGTH is the length of the name. */
|
||
|
||
struct symbol *
|
||
find_symbol_in_list (struct pending *list, char *name, int length)
|
||
{
|
||
int j;
|
||
const char *pp;
|
||
|
||
while (list != NULL)
|
||
{
|
||
for (j = list->nsyms; --j >= 0;)
|
||
{
|
||
pp = SYMBOL_LINKAGE_NAME (list->symbol[j]);
|
||
if (*pp == *name && strncmp (pp, name, length) == 0
|
||
&& pp[length] == '\0')
|
||
{
|
||
return (list->symbol[j]);
|
||
}
|
||
}
|
||
list = list->next;
|
||
}
|
||
return (NULL);
|
||
}
|
||
|
||
/* At end of reading syms, or in case of quit, really free as many
|
||
`struct pending's as we can easily find. */
|
||
|
||
void
|
||
really_free_pendings (void *dummy)
|
||
{
|
||
struct pending *next, *next1;
|
||
|
||
for (next = free_pendings; next; next = next1)
|
||
{
|
||
next1 = next->next;
|
||
xfree ((void *) next);
|
||
}
|
||
free_pendings = NULL;
|
||
|
||
free_pending_blocks ();
|
||
|
||
for (next = file_symbols; next != NULL; next = next1)
|
||
{
|
||
next1 = next->next;
|
||
xfree ((void *) next);
|
||
}
|
||
file_symbols = NULL;
|
||
|
||
for (next = global_symbols; next != NULL; next = next1)
|
||
{
|
||
next1 = next->next;
|
||
xfree ((void *) next);
|
||
}
|
||
global_symbols = NULL;
|
||
|
||
if (pending_macros)
|
||
free_macro_table (pending_macros);
|
||
|
||
if (pending_addrmap)
|
||
{
|
||
obstack_free (&pending_addrmap_obstack, NULL);
|
||
pending_addrmap = NULL;
|
||
}
|
||
}
|
||
|
||
/* This function is called to discard any pending blocks. */
|
||
|
||
void
|
||
free_pending_blocks (void)
|
||
{
|
||
if (pending_blocks != NULL)
|
||
{
|
||
obstack_free (&pending_block_obstack, NULL);
|
||
pending_blocks = NULL;
|
||
}
|
||
}
|
||
|
||
/* Take one of the lists of symbols and make a block from it. Keep
|
||
the order the symbols have in the list (reversed from the input
|
||
file). Put the block on the list of pending blocks. */
|
||
|
||
static struct block *
|
||
finish_block_internal (struct symbol *symbol, struct pending **listhead,
|
||
struct pending_block *old_blocks,
|
||
CORE_ADDR start, CORE_ADDR end,
|
||
struct objfile *objfile,
|
||
int is_global, int expandable)
|
||
{
|
||
struct gdbarch *gdbarch = get_objfile_arch (objfile);
|
||
struct pending *next, *next1;
|
||
struct block *block;
|
||
struct pending_block *pblock;
|
||
struct pending_block *opblock;
|
||
|
||
block = (is_global
|
||
? allocate_global_block (&objfile->objfile_obstack)
|
||
: allocate_block (&objfile->objfile_obstack));
|
||
|
||
if (symbol)
|
||
{
|
||
BLOCK_DICT (block) = dict_create_linear (&objfile->objfile_obstack,
|
||
*listhead);
|
||
}
|
||
else
|
||
{
|
||
if (expandable)
|
||
{
|
||
BLOCK_DICT (block) = dict_create_hashed_expandable ();
|
||
dict_add_pending (BLOCK_DICT (block), *listhead);
|
||
}
|
||
else
|
||
{
|
||
BLOCK_DICT (block) =
|
||
dict_create_hashed (&objfile->objfile_obstack, *listhead);
|
||
}
|
||
}
|
||
|
||
BLOCK_START (block) = start;
|
||
BLOCK_END (block) = end;
|
||
|
||
/* Put the block in as the value of the symbol that names it. */
|
||
|
||
if (symbol)
|
||
{
|
||
struct type *ftype = SYMBOL_TYPE (symbol);
|
||
struct dict_iterator iter;
|
||
SYMBOL_BLOCK_VALUE (symbol) = block;
|
||
BLOCK_FUNCTION (block) = symbol;
|
||
|
||
if (TYPE_NFIELDS (ftype) <= 0)
|
||
{
|
||
/* No parameter type information is recorded with the
|
||
function's type. Set that from the type of the
|
||
parameter symbols. */
|
||
int nparams = 0, iparams;
|
||
struct symbol *sym;
|
||
|
||
/* Here we want to directly access the dictionary, because
|
||
we haven't fully initialized the block yet. */
|
||
ALL_DICT_SYMBOLS (BLOCK_DICT (block), iter, sym)
|
||
{
|
||
if (SYMBOL_IS_ARGUMENT (sym))
|
||
nparams++;
|
||
}
|
||
if (nparams > 0)
|
||
{
|
||
TYPE_NFIELDS (ftype) = nparams;
|
||
TYPE_FIELDS (ftype) = (struct field *)
|
||
TYPE_ALLOC (ftype, nparams * sizeof (struct field));
|
||
|
||
iparams = 0;
|
||
/* Here we want to directly access the dictionary, because
|
||
we haven't fully initialized the block yet. */
|
||
ALL_DICT_SYMBOLS (BLOCK_DICT (block), iter, sym)
|
||
{
|
||
if (iparams == nparams)
|
||
break;
|
||
|
||
if (SYMBOL_IS_ARGUMENT (sym))
|
||
{
|
||
TYPE_FIELD_TYPE (ftype, iparams) = SYMBOL_TYPE (sym);
|
||
TYPE_FIELD_ARTIFICIAL (ftype, iparams) = 0;
|
||
iparams++;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else
|
||
{
|
||
BLOCK_FUNCTION (block) = NULL;
|
||
}
|
||
|
||
/* Now "free" the links of the list, and empty the list. */
|
||
|
||
for (next = *listhead; next; next = next1)
|
||
{
|
||
next1 = next->next;
|
||
next->next = free_pendings;
|
||
free_pendings = next;
|
||
}
|
||
*listhead = NULL;
|
||
|
||
/* Check to be sure that the blocks have an end address that is
|
||
greater than starting address. */
|
||
|
||
if (BLOCK_END (block) < BLOCK_START (block))
|
||
{
|
||
if (symbol)
|
||
{
|
||
complaint (&symfile_complaints,
|
||
_("block end address less than block "
|
||
"start address in %s (patched it)"),
|
||
SYMBOL_PRINT_NAME (symbol));
|
||
}
|
||
else
|
||
{
|
||
complaint (&symfile_complaints,
|
||
_("block end address %s less than block "
|
||
"start address %s (patched it)"),
|
||
paddress (gdbarch, BLOCK_END (block)),
|
||
paddress (gdbarch, BLOCK_START (block)));
|
||
}
|
||
/* Better than nothing. */
|
||
BLOCK_END (block) = BLOCK_START (block);
|
||
}
|
||
|
||
/* Install this block as the superblock of all blocks made since the
|
||
start of this scope that don't have superblocks yet. */
|
||
|
||
opblock = NULL;
|
||
for (pblock = pending_blocks;
|
||
pblock && pblock != old_blocks;
|
||
pblock = pblock->next)
|
||
{
|
||
if (BLOCK_SUPERBLOCK (pblock->block) == NULL)
|
||
{
|
||
/* Check to be sure the blocks are nested as we receive
|
||
them. If the compiler/assembler/linker work, this just
|
||
burns a small amount of time.
|
||
|
||
Skip blocks which correspond to a function; they're not
|
||
physically nested inside this other blocks, only
|
||
lexically nested. */
|
||
if (BLOCK_FUNCTION (pblock->block) == NULL
|
||
&& (BLOCK_START (pblock->block) < BLOCK_START (block)
|
||
|| BLOCK_END (pblock->block) > BLOCK_END (block)))
|
||
{
|
||
if (symbol)
|
||
{
|
||
complaint (&symfile_complaints,
|
||
_("inner block not inside outer block in %s"),
|
||
SYMBOL_PRINT_NAME (symbol));
|
||
}
|
||
else
|
||
{
|
||
complaint (&symfile_complaints,
|
||
_("inner block (%s-%s) not "
|
||
"inside outer block (%s-%s)"),
|
||
paddress (gdbarch, BLOCK_START (pblock->block)),
|
||
paddress (gdbarch, BLOCK_END (pblock->block)),
|
||
paddress (gdbarch, BLOCK_START (block)),
|
||
paddress (gdbarch, BLOCK_END (block)));
|
||
}
|
||
if (BLOCK_START (pblock->block) < BLOCK_START (block))
|
||
BLOCK_START (pblock->block) = BLOCK_START (block);
|
||
if (BLOCK_END (pblock->block) > BLOCK_END (block))
|
||
BLOCK_END (pblock->block) = BLOCK_END (block);
|
||
}
|
||
BLOCK_SUPERBLOCK (pblock->block) = block;
|
||
}
|
||
opblock = pblock;
|
||
}
|
||
|
||
block_set_using (block, using_directives, &objfile->objfile_obstack);
|
||
using_directives = NULL;
|
||
|
||
record_pending_block (objfile, block, opblock);
|
||
|
||
return block;
|
||
}
|
||
|
||
struct block *
|
||
finish_block (struct symbol *symbol, struct pending **listhead,
|
||
struct pending_block *old_blocks,
|
||
CORE_ADDR start, CORE_ADDR end,
|
||
struct objfile *objfile)
|
||
{
|
||
return finish_block_internal (symbol, listhead, old_blocks,
|
||
start, end, objfile, 0, 0);
|
||
}
|
||
|
||
/* Record BLOCK on the list of all blocks in the file. Put it after
|
||
OPBLOCK, or at the beginning if opblock is NULL. This puts the
|
||
block in the list after all its subblocks.
|
||
|
||
Allocate the pending block struct in the objfile_obstack to save
|
||
time. This wastes a little space. FIXME: Is it worth it? */
|
||
|
||
static void
|
||
record_pending_block (struct objfile *objfile, struct block *block,
|
||
struct pending_block *opblock)
|
||
{
|
||
struct pending_block *pblock;
|
||
|
||
if (pending_blocks == NULL)
|
||
obstack_init (&pending_block_obstack);
|
||
|
||
pblock = (struct pending_block *)
|
||
obstack_alloc (&pending_block_obstack, sizeof (struct pending_block));
|
||
pblock->block = block;
|
||
if (opblock)
|
||
{
|
||
pblock->next = opblock->next;
|
||
opblock->next = pblock;
|
||
}
|
||
else
|
||
{
|
||
pblock->next = pending_blocks;
|
||
pending_blocks = pblock;
|
||
}
|
||
}
|
||
|
||
|
||
/* Record that the range of addresses from START to END_INCLUSIVE
|
||
(inclusive, like it says) belongs to BLOCK. BLOCK's start and end
|
||
addresses must be set already. You must apply this function to all
|
||
BLOCK's children before applying it to BLOCK.
|
||
|
||
If a call to this function complicates the picture beyond that
|
||
already provided by BLOCK_START and BLOCK_END, then we create an
|
||
address map for the block. */
|
||
void
|
||
record_block_range (struct block *block,
|
||
CORE_ADDR start, CORE_ADDR end_inclusive)
|
||
{
|
||
/* If this is any different from the range recorded in the block's
|
||
own BLOCK_START and BLOCK_END, then note that the address map has
|
||
become interesting. Note that even if this block doesn't have
|
||
any "interesting" ranges, some later block might, so we still
|
||
need to record this block in the addrmap. */
|
||
if (start != BLOCK_START (block)
|
||
|| end_inclusive + 1 != BLOCK_END (block))
|
||
pending_addrmap_interesting = 1;
|
||
|
||
if (! pending_addrmap)
|
||
{
|
||
obstack_init (&pending_addrmap_obstack);
|
||
pending_addrmap = addrmap_create_mutable (&pending_addrmap_obstack);
|
||
}
|
||
|
||
addrmap_set_empty (pending_addrmap, start, end_inclusive, block);
|
||
}
|
||
|
||
|
||
static struct blockvector *
|
||
make_blockvector (struct objfile *objfile)
|
||
{
|
||
struct pending_block *next;
|
||
struct blockvector *blockvector;
|
||
int i;
|
||
|
||
/* Count the length of the list of blocks. */
|
||
|
||
for (next = pending_blocks, i = 0; next; next = next->next, i++)
|
||
{;
|
||
}
|
||
|
||
blockvector = (struct blockvector *)
|
||
obstack_alloc (&objfile->objfile_obstack,
|
||
(sizeof (struct blockvector)
|
||
+ (i - 1) * sizeof (struct block *)));
|
||
|
||
/* Copy the blocks into the blockvector. This is done in reverse
|
||
order, which happens to put the blocks into the proper order
|
||
(ascending starting address). finish_block has hair to insert
|
||
each block into the list after its subblocks in order to make
|
||
sure this is true. */
|
||
|
||
BLOCKVECTOR_NBLOCKS (blockvector) = i;
|
||
for (next = pending_blocks; next; next = next->next)
|
||
{
|
||
BLOCKVECTOR_BLOCK (blockvector, --i) = next->block;
|
||
}
|
||
|
||
free_pending_blocks ();
|
||
|
||
/* If we needed an address map for this symtab, record it in the
|
||
blockvector. */
|
||
if (pending_addrmap && pending_addrmap_interesting)
|
||
BLOCKVECTOR_MAP (blockvector)
|
||
= addrmap_create_fixed (pending_addrmap, &objfile->objfile_obstack);
|
||
else
|
||
BLOCKVECTOR_MAP (blockvector) = 0;
|
||
|
||
/* Some compilers output blocks in the wrong order, but we depend on
|
||
their being in the right order so we can binary search. Check the
|
||
order and moan about it.
|
||
Note: Remember that the first two blocks are the global and static
|
||
blocks. We could special case that fact and begin checking at block 2.
|
||
To avoid making that assumption we do not. */
|
||
if (BLOCKVECTOR_NBLOCKS (blockvector) > 1)
|
||
{
|
||
for (i = 1; i < BLOCKVECTOR_NBLOCKS (blockvector); i++)
|
||
{
|
||
if (BLOCK_START (BLOCKVECTOR_BLOCK (blockvector, i - 1))
|
||
> BLOCK_START (BLOCKVECTOR_BLOCK (blockvector, i)))
|
||
{
|
||
CORE_ADDR start
|
||
= BLOCK_START (BLOCKVECTOR_BLOCK (blockvector, i));
|
||
|
||
complaint (&symfile_complaints, _("block at %s out of order"),
|
||
hex_string ((LONGEST) start));
|
||
}
|
||
}
|
||
}
|
||
|
||
return (blockvector);
|
||
}
|
||
|
||
/* Start recording information about source code that came from an
|
||
included (or otherwise merged-in) source file with a different
|
||
name. NAME is the name of the file (cannot be NULL), DIRNAME is
|
||
the directory in which the file was compiled (or NULL if not
|
||
known). */
|
||
|
||
void
|
||
start_subfile (const char *name, const char *dirname)
|
||
{
|
||
struct subfile *subfile;
|
||
|
||
/* See if this subfile is already known as a subfile of the current
|
||
main source file. */
|
||
|
||
for (subfile = subfiles; subfile; subfile = subfile->next)
|
||
{
|
||
char *subfile_name;
|
||
|
||
/* If NAME is an absolute path, and this subfile is not, then
|
||
attempt to create an absolute path to compare. */
|
||
if (IS_ABSOLUTE_PATH (name)
|
||
&& !IS_ABSOLUTE_PATH (subfile->name)
|
||
&& subfile->dirname != NULL)
|
||
subfile_name = concat (subfile->dirname, SLASH_STRING,
|
||
subfile->name, (char *) NULL);
|
||
else
|
||
subfile_name = subfile->name;
|
||
|
||
if (FILENAME_CMP (subfile_name, name) == 0)
|
||
{
|
||
current_subfile = subfile;
|
||
if (subfile_name != subfile->name)
|
||
xfree (subfile_name);
|
||
return;
|
||
}
|
||
if (subfile_name != subfile->name)
|
||
xfree (subfile_name);
|
||
}
|
||
|
||
/* This subfile is not known. Add an entry for it. Make an entry
|
||
for this subfile in the list of all subfiles of the current main
|
||
source file. */
|
||
|
||
subfile = (struct subfile *) xmalloc (sizeof (struct subfile));
|
||
memset ((char *) subfile, 0, sizeof (struct subfile));
|
||
subfile->next = subfiles;
|
||
subfiles = subfile;
|
||
current_subfile = subfile;
|
||
|
||
/* Save its name and compilation directory name. */
|
||
subfile->name = xstrdup (name);
|
||
subfile->dirname = (dirname == NULL) ? NULL : xstrdup (dirname);
|
||
|
||
/* Initialize line-number recording for this subfile. */
|
||
subfile->line_vector = NULL;
|
||
|
||
/* Default the source language to whatever can be deduced from the
|
||
filename. If nothing can be deduced (such as for a C/C++ include
|
||
file with a ".h" extension), then inherit whatever language the
|
||
previous subfile had. This kludgery is necessary because there
|
||
is no standard way in some object formats to record the source
|
||
language. Also, when symtabs are allocated we try to deduce a
|
||
language then as well, but it is too late for us to use that
|
||
information while reading symbols, since symtabs aren't allocated
|
||
until after all the symbols have been processed for a given
|
||
source file. */
|
||
|
||
subfile->language = deduce_language_from_filename (subfile->name);
|
||
if (subfile->language == language_unknown
|
||
&& subfile->next != NULL)
|
||
{
|
||
subfile->language = subfile->next->language;
|
||
}
|
||
|
||
/* Initialize the debug format string to NULL. We may supply it
|
||
later via a call to record_debugformat. */
|
||
subfile->debugformat = NULL;
|
||
|
||
/* Similarly for the producer. */
|
||
subfile->producer = NULL;
|
||
|
||
/* If the filename of this subfile ends in .C, then change the
|
||
language of any pending subfiles from C to C++. We also accept
|
||
any other C++ suffixes accepted by deduce_language_from_filename. */
|
||
/* Likewise for f2c. */
|
||
|
||
if (subfile->name)
|
||
{
|
||
struct subfile *s;
|
||
enum language sublang = deduce_language_from_filename (subfile->name);
|
||
|
||
if (sublang == language_cplus || sublang == language_fortran)
|
||
for (s = subfiles; s != NULL; s = s->next)
|
||
if (s->language == language_c)
|
||
s->language = sublang;
|
||
}
|
||
|
||
/* And patch up this file if necessary. */
|
||
if (subfile->language == language_c
|
||
&& subfile->next != NULL
|
||
&& (subfile->next->language == language_cplus
|
||
|| subfile->next->language == language_fortran))
|
||
{
|
||
subfile->language = subfile->next->language;
|
||
}
|
||
}
|
||
|
||
/* For stabs readers, the first N_SO symbol is assumed to be the
|
||
source file name, and the subfile struct is initialized using that
|
||
assumption. If another N_SO symbol is later seen, immediately
|
||
following the first one, then the first one is assumed to be the
|
||
directory name and the second one is really the source file name.
|
||
|
||
So we have to patch up the subfile struct by moving the old name
|
||
value to dirname and remembering the new name. Some sanity
|
||
checking is performed to ensure that the state of the subfile
|
||
struct is reasonable and that the old name we are assuming to be a
|
||
directory name actually is (by checking for a trailing '/'). */
|
||
|
||
void
|
||
patch_subfile_names (struct subfile *subfile, char *name)
|
||
{
|
||
if (subfile != NULL && subfile->dirname == NULL && subfile->name != NULL
|
||
&& IS_DIR_SEPARATOR (subfile->name[strlen (subfile->name) - 1]))
|
||
{
|
||
subfile->dirname = subfile->name;
|
||
subfile->name = xstrdup (name);
|
||
set_last_source_file (name);
|
||
|
||
/* Default the source language to whatever can be deduced from
|
||
the filename. If nothing can be deduced (such as for a C/C++
|
||
include file with a ".h" extension), then inherit whatever
|
||
language the previous subfile had. This kludgery is
|
||
necessary because there is no standard way in some object
|
||
formats to record the source language. Also, when symtabs
|
||
are allocated we try to deduce a language then as well, but
|
||
it is too late for us to use that information while reading
|
||
symbols, since symtabs aren't allocated until after all the
|
||
symbols have been processed for a given source file. */
|
||
|
||
subfile->language = deduce_language_from_filename (subfile->name);
|
||
if (subfile->language == language_unknown
|
||
&& subfile->next != NULL)
|
||
{
|
||
subfile->language = subfile->next->language;
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Handle the N_BINCL and N_EINCL symbol types that act like N_SOL for
|
||
switching source files (different subfiles, as we call them) within
|
||
one object file, but using a stack rather than in an arbitrary
|
||
order. */
|
||
|
||
void
|
||
push_subfile (void)
|
||
{
|
||
struct subfile_stack *tem
|
||
= (struct subfile_stack *) xmalloc (sizeof (struct subfile_stack));
|
||
|
||
tem->next = subfile_stack;
|
||
subfile_stack = tem;
|
||
if (current_subfile == NULL || current_subfile->name == NULL)
|
||
{
|
||
internal_error (__FILE__, __LINE__,
|
||
_("failed internal consistency check"));
|
||
}
|
||
tem->name = current_subfile->name;
|
||
}
|
||
|
||
char *
|
||
pop_subfile (void)
|
||
{
|
||
char *name;
|
||
struct subfile_stack *link = subfile_stack;
|
||
|
||
if (link == NULL)
|
||
{
|
||
internal_error (__FILE__, __LINE__,
|
||
_("failed internal consistency check"));
|
||
}
|
||
name = link->name;
|
||
subfile_stack = link->next;
|
||
xfree ((void *) link);
|
||
return (name);
|
||
}
|
||
|
||
/* Add a linetable entry for line number LINE and address PC to the
|
||
line vector for SUBFILE. */
|
||
|
||
void
|
||
record_line (struct subfile *subfile, int line, CORE_ADDR pc)
|
||
{
|
||
struct linetable_entry *e;
|
||
|
||
/* Ignore the dummy line number in libg.o */
|
||
if (line == 0xffff)
|
||
{
|
||
return;
|
||
}
|
||
|
||
/* Make sure line vector exists and is big enough. */
|
||
if (!subfile->line_vector)
|
||
{
|
||
subfile->line_vector_length = INITIAL_LINE_VECTOR_LENGTH;
|
||
subfile->line_vector = (struct linetable *)
|
||
xmalloc (sizeof (struct linetable)
|
||
+ subfile->line_vector_length * sizeof (struct linetable_entry));
|
||
subfile->line_vector->nitems = 0;
|
||
have_line_numbers = 1;
|
||
}
|
||
|
||
if (subfile->line_vector->nitems + 1 >= subfile->line_vector_length)
|
||
{
|
||
subfile->line_vector_length *= 2;
|
||
subfile->line_vector = (struct linetable *)
|
||
xrealloc ((char *) subfile->line_vector,
|
||
(sizeof (struct linetable)
|
||
+ (subfile->line_vector_length
|
||
* sizeof (struct linetable_entry))));
|
||
}
|
||
|
||
/* Normally, we treat lines as unsorted. But the end of sequence
|
||
marker is special. We sort line markers at the same PC by line
|
||
number, so end of sequence markers (which have line == 0) appear
|
||
first. This is right if the marker ends the previous function,
|
||
and there is no padding before the next function. But it is
|
||
wrong if the previous line was empty and we are now marking a
|
||
switch to a different subfile. We must leave the end of sequence
|
||
marker at the end of this group of lines, not sort the empty line
|
||
to after the marker. The easiest way to accomplish this is to
|
||
delete any empty lines from our table, if they are followed by
|
||
end of sequence markers. All we lose is the ability to set
|
||
breakpoints at some lines which contain no instructions
|
||
anyway. */
|
||
if (line == 0 && subfile->line_vector->nitems > 0)
|
||
{
|
||
e = subfile->line_vector->item + subfile->line_vector->nitems - 1;
|
||
while (subfile->line_vector->nitems > 0 && e->pc == pc)
|
||
{
|
||
e--;
|
||
subfile->line_vector->nitems--;
|
||
}
|
||
}
|
||
|
||
e = subfile->line_vector->item + subfile->line_vector->nitems++;
|
||
e->line = line;
|
||
e->pc = pc;
|
||
}
|
||
|
||
/* Needed in order to sort line tables from IBM xcoff files. Sigh! */
|
||
|
||
static int
|
||
compare_line_numbers (const void *ln1p, const void *ln2p)
|
||
{
|
||
struct linetable_entry *ln1 = (struct linetable_entry *) ln1p;
|
||
struct linetable_entry *ln2 = (struct linetable_entry *) ln2p;
|
||
|
||
/* Note: this code does not assume that CORE_ADDRs can fit in ints.
|
||
Please keep it that way. */
|
||
if (ln1->pc < ln2->pc)
|
||
return -1;
|
||
|
||
if (ln1->pc > ln2->pc)
|
||
return 1;
|
||
|
||
/* If pc equal, sort by line. I'm not sure whether this is optimum
|
||
behavior (see comment at struct linetable in symtab.h). */
|
||
return ln1->line - ln2->line;
|
||
}
|
||
|
||
/* Return the macro table.
|
||
Initialize it if this is the first use. */
|
||
|
||
struct macro_table *
|
||
get_macro_table (struct objfile *objfile, const char *comp_dir)
|
||
{
|
||
if (! pending_macros)
|
||
pending_macros = new_macro_table (&objfile->per_bfd->storage_obstack,
|
||
objfile->per_bfd->macro_cache,
|
||
comp_dir);
|
||
return pending_macros;
|
||
}
|
||
|
||
/* Start a new symtab for a new source file. Called, for example,
|
||
when a stabs symbol of type N_SO is seen, or when a DWARF
|
||
TAG_compile_unit DIE is seen. It indicates the start of data for
|
||
one original source file.
|
||
|
||
NAME is the name of the file (cannot be NULL). DIRNAME is the directory in
|
||
which the file was compiled (or NULL if not known). START_ADDR is the
|
||
lowest address of objects in the file (or 0 if not known). */
|
||
|
||
void
|
||
start_symtab (const char *name, const char *dirname, CORE_ADDR start_addr)
|
||
{
|
||
restart_symtab (start_addr);
|
||
set_last_source_file (name);
|
||
start_subfile (name, dirname);
|
||
}
|
||
|
||
/* Restart compilation for a symtab.
|
||
This is used when a symtab is built from multiple sources.
|
||
The symtab is first built with start_symtab and then for each additional
|
||
piece call restart_symtab. */
|
||
|
||
void
|
||
restart_symtab (CORE_ADDR start_addr)
|
||
{
|
||
set_last_source_file (NULL);
|
||
last_source_start_addr = start_addr;
|
||
file_symbols = NULL;
|
||
global_symbols = NULL;
|
||
within_function = 0;
|
||
have_line_numbers = 0;
|
||
|
||
/* Context stack is initially empty. Allocate first one with room
|
||
for 10 levels; reuse it forever afterward. */
|
||
if (context_stack == NULL)
|
||
{
|
||
context_stack_size = INITIAL_CONTEXT_STACK_SIZE;
|
||
context_stack = (struct context_stack *)
|
||
xmalloc (context_stack_size * sizeof (struct context_stack));
|
||
}
|
||
context_stack_depth = 0;
|
||
|
||
/* We shouldn't have any address map at this point. */
|
||
gdb_assert (! pending_addrmap);
|
||
|
||
/* Initialize the list of sub source files with one entry for this
|
||
file (the top-level source file). */
|
||
subfiles = NULL;
|
||
current_subfile = NULL;
|
||
}
|
||
|
||
/* Subroutine of end_symtab to simplify it. Look for a subfile that
|
||
matches the main source file's basename. If there is only one, and
|
||
if the main source file doesn't have any symbol or line number
|
||
information, then copy this file's symtab and line_vector to the
|
||
main source file's subfile and discard the other subfile. This can
|
||
happen because of a compiler bug or from the user playing games
|
||
with #line or from things like a distributed build system that
|
||
manipulates the debug info. */
|
||
|
||
static void
|
||
watch_main_source_file_lossage (void)
|
||
{
|
||
struct subfile *mainsub, *subfile;
|
||
|
||
/* Find the main source file.
|
||
This loop could be eliminated if start_symtab saved it for us. */
|
||
mainsub = NULL;
|
||
for (subfile = subfiles; subfile; subfile = subfile->next)
|
||
{
|
||
/* The main subfile is guaranteed to be the last one. */
|
||
if (subfile->next == NULL)
|
||
mainsub = subfile;
|
||
}
|
||
|
||
/* If the main source file doesn't have any line number or symbol
|
||
info, look for an alias in another subfile.
|
||
|
||
We have to watch for mainsub == NULL here. It's a quirk of
|
||
end_symtab, it can return NULL so there may not be a main
|
||
subfile. */
|
||
|
||
if (mainsub
|
||
&& mainsub->line_vector == NULL
|
||
&& mainsub->symtab == NULL)
|
||
{
|
||
const char *mainbase = lbasename (mainsub->name);
|
||
int nr_matches = 0;
|
||
struct subfile *prevsub;
|
||
struct subfile *mainsub_alias = NULL;
|
||
struct subfile *prev_mainsub_alias = NULL;
|
||
|
||
prevsub = NULL;
|
||
for (subfile = subfiles;
|
||
/* Stop before we get to the last one. */
|
||
subfile->next;
|
||
subfile = subfile->next)
|
||
{
|
||
if (filename_cmp (lbasename (subfile->name), mainbase) == 0)
|
||
{
|
||
++nr_matches;
|
||
mainsub_alias = subfile;
|
||
prev_mainsub_alias = prevsub;
|
||
}
|
||
prevsub = subfile;
|
||
}
|
||
|
||
if (nr_matches == 1)
|
||
{
|
||
gdb_assert (mainsub_alias != NULL && mainsub_alias != mainsub);
|
||
|
||
/* Found a match for the main source file.
|
||
Copy its line_vector and symtab to the main subfile
|
||
and then discard it. */
|
||
|
||
mainsub->line_vector = mainsub_alias->line_vector;
|
||
mainsub->line_vector_length = mainsub_alias->line_vector_length;
|
||
mainsub->symtab = mainsub_alias->symtab;
|
||
|
||
if (prev_mainsub_alias == NULL)
|
||
subfiles = mainsub_alias->next;
|
||
else
|
||
prev_mainsub_alias->next = mainsub_alias->next;
|
||
xfree (mainsub_alias);
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Helper function for qsort. Parameters are `struct block *' pointers,
|
||
function sorts them in descending order by their BLOCK_START. */
|
||
|
||
static int
|
||
block_compar (const void *ap, const void *bp)
|
||
{
|
||
const struct block *a = *(const struct block **) ap;
|
||
const struct block *b = *(const struct block **) bp;
|
||
|
||
return ((BLOCK_START (b) > BLOCK_START (a))
|
||
- (BLOCK_START (b) < BLOCK_START (a)));
|
||
}
|
||
|
||
/* Reset globals used to build symtabs. */
|
||
|
||
static void
|
||
reset_symtab_globals (void)
|
||
{
|
||
set_last_source_file (NULL);
|
||
current_subfile = NULL;
|
||
pending_macros = NULL;
|
||
if (pending_addrmap)
|
||
{
|
||
obstack_free (&pending_addrmap_obstack, NULL);
|
||
pending_addrmap = NULL;
|
||
}
|
||
}
|
||
|
||
/* Implementation of the first part of end_symtab. It allows modifying
|
||
STATIC_BLOCK before it gets finalized by end_symtab_from_static_block.
|
||
If the returned value is NULL there is no blockvector created for
|
||
this symtab (you still must call end_symtab_from_static_block).
|
||
|
||
END_ADDR is the same as for end_symtab: the address of the end of the
|
||
file's text.
|
||
|
||
If EXPANDABLE is non-zero the STATIC_BLOCK dictionary is made
|
||
expandable.
|
||
|
||
If REQUIRED is non-zero, then a symtab is created even if it does
|
||
not contain any symbols. */
|
||
|
||
struct block *
|
||
end_symtab_get_static_block (CORE_ADDR end_addr, struct objfile *objfile,
|
||
int expandable, int required)
|
||
{
|
||
/* Finish the lexical context of the last function in the file; pop
|
||
the context stack. */
|
||
|
||
if (context_stack_depth > 0)
|
||
{
|
||
struct context_stack *cstk = pop_context ();
|
||
|
||
/* Make a block for the local symbols within. */
|
||
finish_block (cstk->name, &local_symbols, cstk->old_blocks,
|
||
cstk->start_addr, end_addr, objfile);
|
||
|
||
if (context_stack_depth > 0)
|
||
{
|
||
/* This is said to happen with SCO. The old coffread.c
|
||
code simply emptied the context stack, so we do the
|
||
same. FIXME: Find out why it is happening. This is not
|
||
believed to happen in most cases (even for coffread.c);
|
||
it used to be an abort(). */
|
||
complaint (&symfile_complaints,
|
||
_("Context stack not empty in end_symtab"));
|
||
context_stack_depth = 0;
|
||
}
|
||
}
|
||
|
||
/* Reordered executables may have out of order pending blocks; if
|
||
OBJF_REORDERED is true, then sort the pending blocks. */
|
||
|
||
if ((objfile->flags & OBJF_REORDERED) && pending_blocks)
|
||
{
|
||
unsigned count = 0;
|
||
struct pending_block *pb;
|
||
struct block **barray, **bp;
|
||
struct cleanup *back_to;
|
||
|
||
for (pb = pending_blocks; pb != NULL; pb = pb->next)
|
||
count++;
|
||
|
||
barray = xmalloc (sizeof (*barray) * count);
|
||
back_to = make_cleanup (xfree, barray);
|
||
|
||
bp = barray;
|
||
for (pb = pending_blocks; pb != NULL; pb = pb->next)
|
||
*bp++ = pb->block;
|
||
|
||
qsort (barray, count, sizeof (*barray), block_compar);
|
||
|
||
bp = barray;
|
||
for (pb = pending_blocks; pb != NULL; pb = pb->next)
|
||
pb->block = *bp++;
|
||
|
||
do_cleanups (back_to);
|
||
}
|
||
|
||
/* Cleanup any undefined types that have been left hanging around
|
||
(this needs to be done before the finish_blocks so that
|
||
file_symbols is still good).
|
||
|
||
Both cleanup_undefined_stabs_types and finish_global_stabs are stabs
|
||
specific, but harmless for other symbol readers, since on gdb
|
||
startup or when finished reading stabs, the state is set so these
|
||
are no-ops. FIXME: Is this handled right in case of QUIT? Can
|
||
we make this cleaner? */
|
||
|
||
cleanup_undefined_stabs_types (objfile);
|
||
finish_global_stabs (objfile);
|
||
|
||
if (!required
|
||
&& pending_blocks == NULL
|
||
&& file_symbols == NULL
|
||
&& global_symbols == NULL
|
||
&& have_line_numbers == 0
|
||
&& pending_macros == NULL)
|
||
{
|
||
/* Ignore symtabs that have no functions with real debugging info. */
|
||
return NULL;
|
||
}
|
||
else
|
||
{
|
||
/* Define the STATIC_BLOCK. */
|
||
return finish_block_internal (NULL, &file_symbols, NULL,
|
||
last_source_start_addr, end_addr, objfile,
|
||
0, expandable);
|
||
}
|
||
}
|
||
|
||
/* Implementation of the second part of end_symtab. Pass STATIC_BLOCK
|
||
as value returned by end_symtab_get_static_block.
|
||
|
||
SECTION is the same as for end_symtab: the section number
|
||
(in objfile->section_offsets) of the blockvector and linetable.
|
||
|
||
If EXPANDABLE is non-zero the GLOBAL_BLOCK dictionary is made
|
||
expandable. */
|
||
|
||
struct symtab *
|
||
end_symtab_from_static_block (struct block *static_block,
|
||
struct objfile *objfile, int section,
|
||
int expandable)
|
||
{
|
||
struct symtab *symtab = NULL;
|
||
struct blockvector *blockvector;
|
||
struct subfile *subfile;
|
||
struct subfile *nextsub;
|
||
|
||
if (static_block == NULL)
|
||
{
|
||
/* Ignore symtabs that have no functions with real debugging info. */
|
||
blockvector = NULL;
|
||
}
|
||
else
|
||
{
|
||
CORE_ADDR end_addr = BLOCK_END (static_block);
|
||
|
||
/* Define after STATIC_BLOCK also GLOBAL_BLOCK, and build the
|
||
blockvector. */
|
||
finish_block_internal (NULL, &global_symbols, NULL,
|
||
last_source_start_addr, end_addr, objfile,
|
||
1, expandable);
|
||
blockvector = make_blockvector (objfile);
|
||
}
|
||
|
||
/* Read the line table if it has to be read separately.
|
||
This is only used by xcoffread.c. */
|
||
if (objfile->sf->sym_read_linetable != NULL)
|
||
objfile->sf->sym_read_linetable (objfile);
|
||
|
||
/* Handle the case where the debug info specifies a different path
|
||
for the main source file. It can cause us to lose track of its
|
||
line number information. */
|
||
watch_main_source_file_lossage ();
|
||
|
||
/* Now create the symtab objects proper, one for each subfile. */
|
||
/* (The main file is the last one on the chain.) */
|
||
|
||
for (subfile = subfiles; subfile; subfile = nextsub)
|
||
{
|
||
int linetablesize = 0;
|
||
symtab = NULL;
|
||
|
||
/* If we have blocks of symbols, make a symtab. Otherwise, just
|
||
ignore this file and any line number info in it. */
|
||
if (blockvector)
|
||
{
|
||
if (subfile->line_vector)
|
||
{
|
||
linetablesize = sizeof (struct linetable) +
|
||
subfile->line_vector->nitems * sizeof (struct linetable_entry);
|
||
|
||
/* Like the pending blocks, the line table may be
|
||
scrambled in reordered executables. Sort it if
|
||
OBJF_REORDERED is true. */
|
||
if (objfile->flags & OBJF_REORDERED)
|
||
qsort (subfile->line_vector->item,
|
||
subfile->line_vector->nitems,
|
||
sizeof (struct linetable_entry), compare_line_numbers);
|
||
}
|
||
|
||
/* Now, allocate a symbol table. */
|
||
if (subfile->symtab == NULL)
|
||
symtab = allocate_symtab (subfile->name, objfile);
|
||
else
|
||
symtab = subfile->symtab;
|
||
|
||
/* Fill in its components. */
|
||
symtab->blockvector = blockvector;
|
||
symtab->macro_table = pending_macros;
|
||
if (subfile->line_vector)
|
||
{
|
||
/* Reallocate the line table on the symbol obstack. */
|
||
symtab->linetable = (struct linetable *)
|
||
obstack_alloc (&objfile->objfile_obstack, linetablesize);
|
||
memcpy (symtab->linetable, subfile->line_vector, linetablesize);
|
||
}
|
||
else
|
||
{
|
||
symtab->linetable = NULL;
|
||
}
|
||
symtab->block_line_section = section;
|
||
if (subfile->dirname)
|
||
{
|
||
/* Reallocate the dirname on the symbol obstack. */
|
||
symtab->dirname = (char *)
|
||
obstack_alloc (&objfile->objfile_obstack,
|
||
strlen (subfile->dirname) + 1);
|
||
strcpy (symtab->dirname, subfile->dirname);
|
||
}
|
||
else
|
||
{
|
||
symtab->dirname = NULL;
|
||
}
|
||
|
||
/* Use whatever language we have been using for this
|
||
subfile, not the one that was deduced in allocate_symtab
|
||
from the filename. We already did our own deducing when
|
||
we created the subfile, and we may have altered our
|
||
opinion of what language it is from things we found in
|
||
the symbols. */
|
||
symtab->language = subfile->language;
|
||
|
||
/* Save the debug format string (if any) in the symtab. */
|
||
symtab->debugformat = subfile->debugformat;
|
||
|
||
/* Similarly for the producer. */
|
||
symtab->producer = subfile->producer;
|
||
|
||
/* All symtabs for the main file and the subfiles share a
|
||
blockvector, so we need to clear primary for everything
|
||
but the main file. */
|
||
set_symtab_primary (symtab, 0);
|
||
}
|
||
else
|
||
{
|
||
if (subfile->symtab)
|
||
{
|
||
/* Since we are ignoring that subfile, we also need
|
||
to unlink the associated empty symtab that we created.
|
||
Otherwise, we can run into trouble because various parts
|
||
such as the block-vector are uninitialized whereas
|
||
the rest of the code assumes that they are.
|
||
|
||
We can only unlink the symtab because it was allocated
|
||
on the objfile obstack. */
|
||
struct symtab *s;
|
||
|
||
if (objfile->symtabs == subfile->symtab)
|
||
objfile->symtabs = objfile->symtabs->next;
|
||
else
|
||
ALL_OBJFILE_SYMTABS (objfile, s)
|
||
if (s->next == subfile->symtab)
|
||
{
|
||
s->next = s->next->next;
|
||
break;
|
||
}
|
||
subfile->symtab = NULL;
|
||
}
|
||
}
|
||
if (subfile->name != NULL)
|
||
{
|
||
xfree ((void *) subfile->name);
|
||
}
|
||
if (subfile->dirname != NULL)
|
||
{
|
||
xfree ((void *) subfile->dirname);
|
||
}
|
||
if (subfile->line_vector != NULL)
|
||
{
|
||
xfree ((void *) subfile->line_vector);
|
||
}
|
||
|
||
nextsub = subfile->next;
|
||
xfree ((void *) subfile);
|
||
}
|
||
|
||
/* Set this for the main source file. */
|
||
if (symtab)
|
||
{
|
||
set_symtab_primary (symtab, 1);
|
||
|
||
if (symtab->blockvector)
|
||
{
|
||
struct block *b = BLOCKVECTOR_BLOCK (symtab->blockvector,
|
||
GLOBAL_BLOCK);
|
||
|
||
set_block_symtab (b, symtab);
|
||
}
|
||
}
|
||
|
||
/* Default any symbols without a specified symtab to the primary
|
||
symtab. */
|
||
if (blockvector)
|
||
{
|
||
int block_i;
|
||
|
||
for (block_i = 0; block_i < BLOCKVECTOR_NBLOCKS (blockvector); block_i++)
|
||
{
|
||
struct block *block = BLOCKVECTOR_BLOCK (blockvector, block_i);
|
||
struct symbol *sym;
|
||
struct dict_iterator iter;
|
||
|
||
/* Inlined functions may have symbols not in the global or
|
||
static symbol lists. */
|
||
if (BLOCK_FUNCTION (block) != NULL)
|
||
if (SYMBOL_SYMTAB (BLOCK_FUNCTION (block)) == NULL)
|
||
SYMBOL_SYMTAB (BLOCK_FUNCTION (block)) = symtab;
|
||
|
||
/* Note that we only want to fix up symbols from the local
|
||
blocks, not blocks coming from included symtabs. That is why
|
||
we use ALL_DICT_SYMBOLS here and not ALL_BLOCK_SYMBOLS. */
|
||
ALL_DICT_SYMBOLS (BLOCK_DICT (block), iter, sym)
|
||
if (SYMBOL_SYMTAB (sym) == NULL)
|
||
SYMBOL_SYMTAB (sym) = symtab;
|
||
}
|
||
}
|
||
|
||
reset_symtab_globals ();
|
||
|
||
return symtab;
|
||
}
|
||
|
||
/* Finish the symbol definitions for one main source file, close off
|
||
all the lexical contexts for that file (creating struct block's for
|
||
them), then make the struct symtab for that file and put it in the
|
||
list of all such.
|
||
|
||
END_ADDR is the address of the end of the file's text. SECTION is
|
||
the section number (in objfile->section_offsets) of the blockvector
|
||
and linetable.
|
||
|
||
Note that it is possible for end_symtab() to return NULL. In
|
||
particular, for the DWARF case at least, it will return NULL when
|
||
it finds a compilation unit that has exactly one DIE, a
|
||
TAG_compile_unit DIE. This can happen when we link in an object
|
||
file that was compiled from an empty source file. Returning NULL
|
||
is probably not the correct thing to do, because then gdb will
|
||
never know about this empty file (FIXME).
|
||
|
||
If you need to modify STATIC_BLOCK before it is finalized you should
|
||
call end_symtab_get_static_block and end_symtab_from_static_block
|
||
yourself. */
|
||
|
||
struct symtab *
|
||
end_symtab (CORE_ADDR end_addr, struct objfile *objfile, int section)
|
||
{
|
||
struct block *static_block;
|
||
|
||
static_block = end_symtab_get_static_block (end_addr, objfile, 0, 0);
|
||
return end_symtab_from_static_block (static_block, objfile, section, 0);
|
||
}
|
||
|
||
/* Same as end_symtab except create a symtab that can be later added to. */
|
||
|
||
struct symtab *
|
||
end_expandable_symtab (CORE_ADDR end_addr, struct objfile *objfile,
|
||
int section)
|
||
{
|
||
struct block *static_block;
|
||
|
||
static_block = end_symtab_get_static_block (end_addr, objfile, 1, 0);
|
||
return end_symtab_from_static_block (static_block, objfile, section, 1);
|
||
}
|
||
|
||
/* Subroutine of augment_type_symtab to simplify it.
|
||
Attach SYMTAB to all symbols in PENDING_LIST that don't have one. */
|
||
|
||
static void
|
||
set_missing_symtab (struct pending *pending_list, struct symtab *symtab)
|
||
{
|
||
struct pending *pending;
|
||
int i;
|
||
|
||
for (pending = pending_list; pending != NULL; pending = pending->next)
|
||
{
|
||
for (i = 0; i < pending->nsyms; ++i)
|
||
{
|
||
if (SYMBOL_SYMTAB (pending->symbol[i]) == NULL)
|
||
SYMBOL_SYMTAB (pending->symbol[i]) = symtab;
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Same as end_symtab, but for the case where we're adding more symbols
|
||
to an existing symtab that is known to contain only type information.
|
||
This is the case for DWARF4 Type Units. */
|
||
|
||
void
|
||
augment_type_symtab (struct objfile *objfile, struct symtab *primary_symtab)
|
||
{
|
||
struct blockvector *blockvector = primary_symtab->blockvector;
|
||
|
||
if (context_stack_depth > 0)
|
||
{
|
||
complaint (&symfile_complaints,
|
||
_("Context stack not empty in augment_type_symtab"));
|
||
context_stack_depth = 0;
|
||
}
|
||
if (pending_blocks != NULL)
|
||
complaint (&symfile_complaints, _("Blocks in a type symtab"));
|
||
if (pending_macros != NULL)
|
||
complaint (&symfile_complaints, _("Macro in a type symtab"));
|
||
if (have_line_numbers)
|
||
complaint (&symfile_complaints,
|
||
_("Line numbers recorded in a type symtab"));
|
||
|
||
if (file_symbols != NULL)
|
||
{
|
||
struct block *block = BLOCKVECTOR_BLOCK (blockvector, STATIC_BLOCK);
|
||
|
||
/* First mark any symbols without a specified symtab as belonging
|
||
to the primary symtab. */
|
||
set_missing_symtab (file_symbols, primary_symtab);
|
||
|
||
dict_add_pending (BLOCK_DICT (block), file_symbols);
|
||
}
|
||
|
||
if (global_symbols != NULL)
|
||
{
|
||
struct block *block = BLOCKVECTOR_BLOCK (blockvector, GLOBAL_BLOCK);
|
||
|
||
/* First mark any symbols without a specified symtab as belonging
|
||
to the primary symtab. */
|
||
set_missing_symtab (global_symbols, primary_symtab);
|
||
|
||
dict_add_pending (BLOCK_DICT (block), global_symbols);
|
||
}
|
||
|
||
reset_symtab_globals ();
|
||
}
|
||
|
||
/* Push a context block. Args are an identifying nesting level
|
||
(checkable when you pop it), and the starting PC address of this
|
||
context. */
|
||
|
||
struct context_stack *
|
||
push_context (int desc, CORE_ADDR valu)
|
||
{
|
||
struct context_stack *new;
|
||
|
||
if (context_stack_depth == context_stack_size)
|
||
{
|
||
context_stack_size *= 2;
|
||
context_stack = (struct context_stack *)
|
||
xrealloc ((char *) context_stack,
|
||
(context_stack_size * sizeof (struct context_stack)));
|
||
}
|
||
|
||
new = &context_stack[context_stack_depth++];
|
||
new->depth = desc;
|
||
new->locals = local_symbols;
|
||
new->old_blocks = pending_blocks;
|
||
new->start_addr = valu;
|
||
new->using_directives = using_directives;
|
||
new->name = NULL;
|
||
|
||
local_symbols = NULL;
|
||
using_directives = NULL;
|
||
|
||
return new;
|
||
}
|
||
|
||
/* Pop a context block. Returns the address of the context block just
|
||
popped. */
|
||
|
||
struct context_stack *
|
||
pop_context (void)
|
||
{
|
||
gdb_assert (context_stack_depth > 0);
|
||
return (&context_stack[--context_stack_depth]);
|
||
}
|
||
|
||
|
||
|
||
/* Compute a small integer hash code for the given name. */
|
||
|
||
int
|
||
hashname (const char *name)
|
||
{
|
||
return (hash(name,strlen(name)) % HASHSIZE);
|
||
}
|
||
|
||
|
||
void
|
||
record_debugformat (const char *format)
|
||
{
|
||
current_subfile->debugformat = format;
|
||
}
|
||
|
||
void
|
||
record_producer (const char *producer)
|
||
{
|
||
current_subfile->producer = producer;
|
||
}
|
||
|
||
/* Merge the first symbol list SRCLIST into the second symbol list
|
||
TARGETLIST by repeated calls to add_symbol_to_list(). This
|
||
procedure "frees" each link of SRCLIST by adding it to the
|
||
free_pendings list. Caller must set SRCLIST to a null list after
|
||
calling this function.
|
||
|
||
Void return. */
|
||
|
||
void
|
||
merge_symbol_lists (struct pending **srclist, struct pending **targetlist)
|
||
{
|
||
int i;
|
||
|
||
if (!srclist || !*srclist)
|
||
return;
|
||
|
||
/* Merge in elements from current link. */
|
||
for (i = 0; i < (*srclist)->nsyms; i++)
|
||
add_symbol_to_list ((*srclist)->symbol[i], targetlist);
|
||
|
||
/* Recurse on next. */
|
||
merge_symbol_lists (&(*srclist)->next, targetlist);
|
||
|
||
/* "Free" the current link. */
|
||
(*srclist)->next = free_pendings;
|
||
free_pendings = (*srclist);
|
||
}
|
||
|
||
|
||
/* Name of source file whose symbol data we are now processing. This
|
||
comes from a symbol of type N_SO for stabs. For Dwarf it comes
|
||
from the DW_AT_name attribute of a DW_TAG_compile_unit DIE. */
|
||
|
||
static char *last_source_file;
|
||
|
||
/* See buildsym.h. */
|
||
|
||
void
|
||
set_last_source_file (const char *name)
|
||
{
|
||
xfree (last_source_file);
|
||
last_source_file = name == NULL ? NULL : xstrdup (name);
|
||
}
|
||
|
||
/* See buildsym.h. */
|
||
|
||
const char *
|
||
get_last_source_file (void)
|
||
{
|
||
return last_source_file;
|
||
}
|
||
|
||
|
||
|
||
/* Initialize anything that needs initializing when starting to read a
|
||
fresh piece of a symbol file, e.g. reading in the stuff
|
||
corresponding to a psymtab. */
|
||
|
||
void
|
||
buildsym_init (void)
|
||
{
|
||
free_pendings = NULL;
|
||
file_symbols = NULL;
|
||
global_symbols = NULL;
|
||
pending_blocks = NULL;
|
||
pending_macros = NULL;
|
||
using_directives = NULL;
|
||
subfile_stack = NULL;
|
||
|
||
/* We shouldn't have any address map at this point. */
|
||
gdb_assert (! pending_addrmap);
|
||
pending_addrmap_interesting = 0;
|
||
}
|
||
|
||
/* Initialize anything that needs initializing when a completely new
|
||
symbol file is specified (not just adding some symbols from another
|
||
file, e.g. a shared library). */
|
||
|
||
void
|
||
buildsym_new_init (void)
|
||
{
|
||
buildsym_init ();
|
||
}
|