2012-11-26 22:31:29 +00:00
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/* Read MiniDebugInfo data from an objfile.
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2014-01-01 03:54:24 +00:00
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Copyright (C) 2012-2014 Free Software Foundation, Inc.
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2012-11-26 22:31:29 +00:00
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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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#include "defs.h"
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#include "gdb_bfd.h"
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remove gdb_string.h
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.
2013-11-06 14:14:23 +00:00
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#include <string.h>
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2012-11-26 22:31:29 +00:00
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#include "symfile.h"
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#include "objfiles.h"
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#include "gdbcore.h"
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#ifdef HAVE_LIBLZMA
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#include <lzma.h>
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/* Allocator function for LZMA. */
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static void *
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alloc_lzma (void *opaque, size_t nmemb, size_t size)
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{
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return xmalloc (nmemb * size);
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}
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/* Free function for LZMA. */
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static void
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free_lzma (void *opaque, void *ptr)
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{
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xfree (ptr);
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|
}
|
|
|
|
|
|
|
|
|
|
/* The allocator object for LZMA. Note that 'gdb_lzma_allocator'
|
|
|
|
|
cannot be const due to the lzma library function prototypes. */
|
|
|
|
|
|
|
|
|
|
static lzma_allocator gdb_lzma_allocator = { alloc_lzma, free_lzma, NULL };
|
|
|
|
|
|
|
|
|
|
/* Custom bfd_openr_iovec implementation to read compressed data from
|
|
|
|
|
a section. This keeps only the last decompressed block in memory
|
|
|
|
|
to allow larger data without using to much memory. */
|
|
|
|
|
|
|
|
|
|
struct lzma_stream
|
|
|
|
|
{
|
|
|
|
|
/* Section of input BFD from which we are decoding data. */
|
|
|
|
|
asection *section;
|
|
|
|
|
|
|
|
|
|
/* lzma library decompression state. */
|
|
|
|
|
lzma_index *index;
|
|
|
|
|
|
|
|
|
|
/* Currently decoded block. */
|
|
|
|
|
bfd_size_type data_start;
|
|
|
|
|
bfd_size_type data_end;
|
|
|
|
|
gdb_byte *data;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/* bfd_openr_iovec OPEN_P implementation for
|
|
|
|
|
find_separate_debug_file_in_section. OPEN_CLOSURE is 'asection *'
|
|
|
|
|
of the section to decompress.
|
|
|
|
|
|
|
|
|
|
Return 'struct lzma_stream *' must be freed by caller by xfree, together
|
|
|
|
|
with its INDEX lzma data. */
|
|
|
|
|
|
|
|
|
|
static void *
|
|
|
|
|
lzma_open (struct bfd *nbfd, void *open_closure)
|
|
|
|
|
{
|
|
|
|
|
asection *section = open_closure;
|
|
|
|
|
bfd_size_type size, offset;
|
|
|
|
|
lzma_stream_flags options;
|
|
|
|
|
gdb_byte footer[LZMA_STREAM_HEADER_SIZE];
|
|
|
|
|
gdb_byte *indexdata;
|
|
|
|
|
lzma_index *index;
|
|
|
|
|
int ret;
|
|
|
|
|
uint64_t memlimit = UINT64_MAX;
|
|
|
|
|
struct lzma_stream *lstream;
|
|
|
|
|
size_t pos;
|
|
|
|
|
|
|
|
|
|
size = bfd_get_section_size (section);
|
|
|
|
|
offset = section->filepos + size - LZMA_STREAM_HEADER_SIZE;
|
|
|
|
|
if (size < LZMA_STREAM_HEADER_SIZE
|
|
|
|
|
|| bfd_seek (section->owner, offset, SEEK_SET) != 0
|
|
|
|
|
|| bfd_bread (footer, LZMA_STREAM_HEADER_SIZE, section->owner)
|
|
|
|
|
!= LZMA_STREAM_HEADER_SIZE
|
|
|
|
|
|| lzma_stream_footer_decode (&options, footer) != LZMA_OK
|
|
|
|
|
|| offset < options.backward_size)
|
|
|
|
|
{
|
|
|
|
|
bfd_set_error (bfd_error_wrong_format);
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
offset -= options.backward_size;
|
|
|
|
|
indexdata = xmalloc (options.backward_size);
|
|
|
|
|
index = NULL;
|
|
|
|
|
pos = 0;
|
|
|
|
|
if (bfd_seek (section->owner, offset, SEEK_SET) != 0
|
|
|
|
|
|| bfd_bread (indexdata, options.backward_size, section->owner)
|
|
|
|
|
!= options.backward_size
|
|
|
|
|
|| lzma_index_buffer_decode (&index, &memlimit, &gdb_lzma_allocator,
|
|
|
|
|
indexdata, &pos, options.backward_size)
|
|
|
|
|
!= LZMA_OK
|
|
|
|
|
|| lzma_index_size (index) != options.backward_size)
|
|
|
|
|
{
|
|
|
|
|
xfree (indexdata);
|
|
|
|
|
bfd_set_error (bfd_error_wrong_format);
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
xfree (indexdata);
|
|
|
|
|
|
|
|
|
|
lstream = xzalloc (sizeof (struct lzma_stream));
|
|
|
|
|
lstream->section = section;
|
|
|
|
|
lstream->index = index;
|
|
|
|
|
|
|
|
|
|
return lstream;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* bfd_openr_iovec PREAD_P implementation for
|
|
|
|
|
find_separate_debug_file_in_section. Passed STREAM
|
|
|
|
|
is 'struct lzma_stream *'. */
|
|
|
|
|
|
|
|
|
|
static file_ptr
|
|
|
|
|
lzma_pread (struct bfd *nbfd, void *stream, void *buf, file_ptr nbytes,
|
|
|
|
|
file_ptr offset)
|
|
|
|
|
{
|
|
|
|
|
struct lzma_stream *lstream = stream;
|
|
|
|
|
bfd_size_type chunk_size;
|
|
|
|
|
lzma_index_iter iter;
|
|
|
|
|
gdb_byte *compressed, *uncompressed;
|
|
|
|
|
file_ptr block_offset;
|
|
|
|
|
lzma_filter filters[LZMA_FILTERS_MAX + 1];
|
|
|
|
|
lzma_block block;
|
|
|
|
|
size_t compressed_pos, uncompressed_pos;
|
|
|
|
|
file_ptr res;
|
|
|
|
|
|
|
|
|
|
res = 0;
|
|
|
|
|
while (nbytes > 0)
|
|
|
|
|
{
|
|
|
|
|
if (lstream->data == NULL
|
|
|
|
|
|| lstream->data_start > offset || offset >= lstream->data_end)
|
|
|
|
|
{
|
|
|
|
|
asection *section = lstream->section;
|
|
|
|
|
|
|
|
|
|
lzma_index_iter_init (&iter, lstream->index);
|
|
|
|
|
if (lzma_index_iter_locate (&iter, offset))
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
compressed = xmalloc (iter.block.total_size);
|
|
|
|
|
block_offset = section->filepos + iter.block.compressed_file_offset;
|
|
|
|
|
if (bfd_seek (section->owner, block_offset, SEEK_SET) != 0
|
|
|
|
|
|| bfd_bread (compressed, iter.block.total_size, section->owner)
|
|
|
|
|
!= iter.block.total_size)
|
|
|
|
|
{
|
|
|
|
|
xfree (compressed);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
uncompressed = xmalloc (iter.block.uncompressed_size);
|
|
|
|
|
|
|
|
|
|
memset (&block, 0, sizeof (block));
|
|
|
|
|
block.filters = filters;
|
|
|
|
|
block.header_size = lzma_block_header_size_decode (compressed[0]);
|
|
|
|
|
if (lzma_block_header_decode (&block, &gdb_lzma_allocator, compressed)
|
|
|
|
|
!= LZMA_OK)
|
|
|
|
|
{
|
|
|
|
|
xfree (compressed);
|
|
|
|
|
xfree (uncompressed);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
compressed_pos = block.header_size;
|
|
|
|
|
uncompressed_pos = 0;
|
|
|
|
|
if (lzma_block_buffer_decode (&block, &gdb_lzma_allocator,
|
|
|
|
|
compressed, &compressed_pos,
|
|
|
|
|
iter.block.total_size,
|
|
|
|
|
uncompressed, &uncompressed_pos,
|
|
|
|
|
iter.block.uncompressed_size)
|
|
|
|
|
!= LZMA_OK)
|
|
|
|
|
{
|
|
|
|
|
xfree (compressed);
|
|
|
|
|
xfree (uncompressed);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
xfree (compressed);
|
|
|
|
|
|
|
|
|
|
xfree (lstream->data);
|
|
|
|
|
lstream->data = uncompressed;
|
|
|
|
|
lstream->data_start = iter.block.uncompressed_file_offset;
|
|
|
|
|
lstream->data_end = (iter.block.uncompressed_file_offset
|
|
|
|
|
+ iter.block.uncompressed_size);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
chunk_size = min (nbytes, lstream->data_end - offset);
|
|
|
|
|
memcpy (buf, lstream->data + offset - lstream->data_start, chunk_size);
|
|
|
|
|
buf = (gdb_byte *) buf + chunk_size;
|
|
|
|
|
offset += chunk_size;
|
|
|
|
|
nbytes -= chunk_size;
|
|
|
|
|
res += chunk_size;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return res;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* bfd_openr_iovec CLOSE_P implementation for
|
|
|
|
|
find_separate_debug_file_in_section. Passed STREAM
|
|
|
|
|
is 'struct lzma_stream *'. */
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
lzma_close (struct bfd *nbfd,
|
|
|
|
|
void *stream)
|
|
|
|
|
{
|
|
|
|
|
struct lzma_stream *lstream = stream;
|
|
|
|
|
|
|
|
|
|
lzma_index_end (lstream->index, &gdb_lzma_allocator);
|
|
|
|
|
xfree (lstream->data);
|
|
|
|
|
xfree (lstream);
|
2013-04-12 16:04:07 +00:00
|
|
|
|
|
|
|
|
/* Zero means success. */
|
2012-11-26 22:31:29 +00:00
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* bfd_openr_iovec STAT_P implementation for
|
|
|
|
|
find_separate_debug_file_in_section. Passed STREAM
|
|
|
|
|
is 'struct lzma_stream *'. */
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
lzma_stat (struct bfd *abfd,
|
|
|
|
|
void *stream,
|
|
|
|
|
struct stat *sb)
|
|
|
|
|
{
|
|
|
|
|
struct lzma_stream *lstream = stream;
|
|
|
|
|
|
|
|
|
|
sb->st_size = lzma_index_uncompressed_size (lstream->index);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#endif /* HAVE_LIBLZMA */
|
|
|
|
|
|
|
|
|
|
/* This looks for a xz compressed separate debug info object file embedded
|
|
|
|
|
in a section called .gnu_debugdata. See
|
|
|
|
|
http://fedoraproject.org/wiki/Features/MiniDebugInfo
|
|
|
|
|
or the "Separate Debug Sections" of the manual for details.
|
|
|
|
|
If we find one we create a iovec based bfd that decompresses the
|
|
|
|
|
object data on demand. If we don't find one, return NULL. */
|
|
|
|
|
|
|
|
|
|
bfd *
|
|
|
|
|
find_separate_debug_file_in_section (struct objfile *objfile)
|
|
|
|
|
{
|
|
|
|
|
asection *section;
|
|
|
|
|
bfd *abfd;
|
|
|
|
|
|
|
|
|
|
if (objfile->obfd == NULL)
|
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
|
|
section = bfd_get_section_by_name (objfile->obfd, ".gnu_debugdata");
|
|
|
|
|
if (section == NULL)
|
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_LIBLZMA
|
Code cleanup: Add objfile_name accessor
gdb/
2013-09-24 Jan Kratochvil <jan.kratochvil@redhat.com>
Code cleanup: Add objfile_name accessor function.
* ada-lang.c (is_known_support_routine): Use objfile_name.
* auto-load.c (source_gdb_script_for_objfile)
(auto_load_objfile_script): Likewise.
* coffread.c (coff_symtab_read, read_one_sym): Likewise.
* dbxread.c (dbx_symfile_read): Likewise.
* dwarf2-frame.c (dwarf2_build_frame_info): Likewise.
* dwarf2loc.c (locexpr_describe_location_piece): Likewise.
* dwarf2read.c (dwarf2_get_dwz_file, dwarf2_read_index)
(dw2_symtab_iter_next, dw2_expand_symtabs_matching)
(lookup_dwp_signatured_type, lookup_dwo_unit)
(dwarf2_build_psymtabs_hard, scan_partial_symbols, process_queue)
(fixup_go_packaging, process_imported_unit_die, dwarf2_physname)
(read_import_statement, create_dwo_cu, open_and_init_dwp_file)
(lookup_dwo_cutu, read_call_site_scope, dwarf2_ranges_read)
(dwarf2_record_block_ranges, read_common_block, read_typedef)
(read_subrange_type, load_partial_dies, read_partial_die)
(read_addr_index_1, read_str_index, dwarf_decode_lines_1)
(die_containing_type, build_error_marker_type, lookup_die_type)
(follow_die_ref_or_sig, follow_die_ref, dwarf2_fetch_die_loc_sect_off)
(dwarf2_fetch_constant_bytes, follow_die_sig, get_signatured_type)
(get_DW_AT_signature_type, write_psymtabs_to_index)
(save_gdb_index_command): Likewise.
* elfread.c (find_separate_debug_file_by_buildid, elf_symfile_read):
Likewise.
* expprint.c (dump_subexp_body_standard): Likewise.
* gdbtypes.c (type_name_no_tag_or_error): Likewise.
* jit.c (jit_object_close_impl): Use the objfile field name renamed to
original_name.
* linux-thread-db.c (try_thread_db_load_from_pdir_1): New variable
obj_name, use objfile_name for it, use the variable.
(try_thread_db_load_from_pdir, has_libpthread, thread_db_new_objfile):
Use objfile_name.
* machoread.c (macho_symtab_read, macho_check_dsym)
(macho_symfile_relocate): Likewise.
* maint.c (maintenance_translate_address): Likewise.
* minidebug.c (find_separate_debug_file_in_section): Likewise.
* minsyms.c (install_minimal_symbols): Likewise.
* objfiles.c (allocate_objfile): Use the objfile field name renamed to
original_name.
(filter_overlapping_sections): Use objfile_name.
(objfile_name): New function.
* objfiles.h (struct objfile): Rename field name to original_name.
(objfile_name): New prototype.
* printcmd.c (sym_info, address_info): Use objfile_name.
* probe.c (parse_probes, collect_probes, compare_probes)
(info_probes_for_ops): Likewise.
* progspace.c (clone_program_space): Likewise.
* psymtab.c (require_partial_symbols, dump_psymtab, allocate_psymtab)
(maintenance_info_psymtabs): Likewise.
* python/py-auto-load.c (gdbpy_load_auto_script_for_objfile)
(source_section_scripts): Likewise.
* python/py-objfile.c (objfpy_get_filename): Likewise.
* python/py-progspace.c (pspy_get_filename): Likewise.
* solib-aix.c (solib_aix_get_toc_value): Likewise.
* solib-som.c (match_main, som_solib_section_offsets): Likewise.
* solib.c (solib_read_symbols): Likewise.
* stabsread.c (scan_file_globals): Likewise.
* stap-probe.c (handle_stap_probe): Likewise.
* symfile.c (symbol_file_clear, separate_debug_file_exists)
(find_separate_debug_file_by_debuglink): Likewise.
(reread_symbols): Likewise. Use the objfile field name renamed to
original_name.
(allocate_symtab): Use objfile_name.
* symmisc.c (print_symbol_bcache_statistics, print_objfile_statistics)
(dump_objfile, dump_msymbols, dump_symtab_1)
(maintenance_print_msymbols, maintenance_print_objfiles)
(maintenance_info_symtabs, maintenance_check_symtabs): Likewise.
* target.c (target_translate_tls_address, target_info): Likewise.
* xcoffread.c (xcoff_initial_scan): Make variable name const. Use
objfile_name.
2013-09-24 13:57:38 +00:00
|
|
|
abfd = gdb_bfd_openr_iovec (objfile_name (objfile), gnutarget, lzma_open,
|
|
|
|
|
section, lzma_pread, lzma_close, lzma_stat);
|
2012-11-26 22:31:29 +00:00
|
|
|
if (abfd == NULL)
|
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
|
|
if (!bfd_check_format (abfd, bfd_object))
|
|
|
|
|
{
|
|
|
|
|
warning (_("Cannot parse .gnu_debugdata section; not a BFD object"));
|
|
|
|
|
gdb_bfd_unref (abfd);
|
|
|
|
|
return NULL;
|
|
|
|
|
}
|
|
|
|
|
#else
|
|
|
|
|
warning (_("Cannot parse .gnu_debugdata section; LZMA support was "
|
|
|
|
|
"disabled at compile time"));
|
|
|
|
|
abfd = NULL;
|
|
|
|
|
#endif /* !HAVE_LIBLZMA */
|
|
|
|
|
|
|
|
|
|
return abfd;
|
|
|
|
|
}
|
