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authornobody <>2004-02-14 00:00:34 +0000
committernobody <>2004-02-14 00:00:34 +0000
commit2f344a4dcd2a8c4297702027a943e3587e6b60c8 (patch)
tree8614f4d9fc669ec37a90e4b4f70b31f00c489661 /bfd/elf.c
parenta5dd37ab655106440e987830db5111b43f271ecc (diff)
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This commit was manufactured by cvs2svn to create branchcagney_bfdfile-20040213-branchpointcagney_bfdfile-20040213-branch
'cagney_bfdfile-20040213-branch'. Sprout from cagney_bigcore-20040122-branch 2004-01-22 00:00:03 UTC nobody 'This commit was manufactured by cvs2svn to create branch' Cherrypick from master 2004-02-14 00:00:33 UTC gdbadmin <gdbadmin@sourceware.org> '*** empty log message ***': COPYING.NEWLIB ChangeLog Makefile.def Makefile.in bfd/ChangeLog bfd/bfd-in.h bfd/bfd-in2.h bfd/bfdio.c bfd/cache.c bfd/coff-h8300.c bfd/config.in bfd/configure bfd/configure.in bfd/elf-bfd.h bfd/elf.c bfd/elf32-arm.h bfd/elf32-frv.c bfd/elf32-h8300.c bfd/elf64-alpha.c bfd/elfxx-ia64.c bfd/elfxx-mips.c bfd/elfxx-mips.h bfd/elfxx-target.h bfd/libbfd-in.h bfd/libbfd.h bfd/version.h binutils/ChangeLog binutils/readelf.c configure configure.in gas/ChangeLog gas/config/tc-arm.c gas/config/tc-ia64.c gas/config/tc-ia64.h gas/config/tc-m68k.c gas/config/tc-m68k.h gas/config/tc-mips.c gas/config/tc-mips.h gas/doc/internals.texi gas/dwarf2dbg.c gas/frags.c gas/frags.h gas/read.c gas/read.h gas/testsuite/ChangeLog gas/testsuite/gas/arm/arm.exp gas/testsuite/gas/arm/undefined.l gas/testsuite/gas/arm/undefined.s gas/testsuite/gas/macros/test2.s gas/testsuite/gas/mips/div.d gas/testsuite/gas/mips/elf-rel-got-n32.d gas/testsuite/gas/mips/elf-rel-got-n64.d gas/testsuite/gas/mips/elf-rel-xgot-n32.d gas/testsuite/gas/mips/elf-rel-xgot-n64.d gas/testsuite/gas/mips/elf-rel19.d gas/testsuite/gas/mips/elf-rel19.s gas/testsuite/gas/mips/la-svr4pic.d gas/testsuite/gas/mips/la-xgot.d gas/testsuite/gas/mips/lca-svr4pic.d gas/testsuite/gas/mips/lca-xgot.d gas/testsuite/gas/mips/macro-warn-1-n32.d gas/testsuite/gas/mips/macro-warn-1-n32.l gas/testsuite/gas/mips/macro-warn-1.d gas/testsuite/gas/mips/macro-warn-1.l gas/testsuite/gas/mips/macro-warn-1.s gas/testsuite/gas/mips/macro-warn-2-n32.d gas/testsuite/gas/mips/macro-warn-2.d gas/testsuite/gas/mips/macro-warn-2.l gas/testsuite/gas/mips/macro-warn-2.s gas/testsuite/gas/mips/macro-warn-3.d gas/testsuite/gas/mips/macro-warn-3.l gas/testsuite/gas/mips/macro-warn-3.s gas/testsuite/gas/mips/macro-warn-4.d gas/testsuite/gas/mips/macro-warn-4.l gas/testsuite/gas/mips/macro-warn-4.s gas/testsuite/gas/mips/mips.exp gas/testsuite/gas/mips/relax-swap1-mips2.d gas/testsuite/gas/mips/relax-swap1.s gas/testsuite/gas/mips/relax-swap2.s gas/testsuite/gas/sh/basic.exp gas/testsuite/gas/sh/err-sh4a-fp.s gas/testsuite/gas/sh/sh4a-fp.d gas/testsuite/gas/sh/sh4a-fp.s gdb/ChangeLog gdb/Makefile.in gdb/NEWS gdb/PROBLEMS gdb/ada-lang.c gdb/alpha-tdep.c gdb/arch-utils.c gdb/arch-utils.h gdb/arm-tdep.c gdb/auxv.c gdb/auxv.h gdb/avr-tdep.c gdb/ax-gdb.c gdb/bcache.c gdb/blockframe.c gdb/breakpoint.c gdb/breakpoint.h gdb/buildsym.c gdb/c-lang.c gdb/cli/cli-cmds.c gdb/cli/cli-decode.c gdb/coffread.c gdb/config/mips/tm-linux.h gdb/config/nm-linux.h gdb/config/sparc/nm-nbsd.h gdb/config/sparc/obsd.mt gdb/config/sparc/obsd64.mt gdb/configure gdb/configure.host gdb/configure.in gdb/configure.tgt gdb/corelow.c gdb/cp-namespace.c gdb/cp-support.c gdb/cp-support.h gdb/cris-tdep.c gdb/d10v-tdep.c gdb/dbxread.c gdb/defs.h gdb/doc/ChangeLog gdb/doc/gdb.texinfo gdb/doc/gdbint.texinfo gdb/doc/stabs.texinfo gdb/dwarf2-frame.c gdb/dwarf2-frame.h gdb/dwarf2loc.c gdb/dwarf2loc.h gdb/dwarf2read.c gdb/dwarfread.c gdb/elfread.c gdb/f-lang.c gdb/findvar.c gdb/frame.c gdb/frame.h gdb/frv-tdep.c gdb/gdb-events.h gdb/gdb-events.sh gdb/gdb_curses.h gdb/gdb_obstack.h gdb/gdbarch.c gdb/gdbarch.h gdb/gdbarch.sh gdb/gdbserver/ChangeLog gdb/gdbserver/linux-low.c gdb/gdbserver/linux-low.h gdb/gdbserver/regcache.c gdb/gdbtypes.c gdb/gdbtypes.h gdb/h8300-tdep.c gdb/hppa-tdep.c gdb/hpread.c gdb/i386-linux-tdep.c gdb/i386-nto-tdep.c gdb/ia64-tdep.c gdb/infcmd.c gdb/infrun.c gdb/inftarg.c gdb/jv-lang.c gdb/language.c gdb/language.h gdb/linespec.c gdb/linux-proc.c gdb/m2-lang.c gdb/m32r-rom.c gdb/m32r-tdep.c gdb/m68hc11-tdep.c gdb/m68k-tdep.c gdb/m68klinux-tdep.c gdb/main.c gdb/mcore-tdep.c gdb/mdebugread.c gdb/mi/mi-cmd-stack.c gdb/mi/mi-cmd-var.c gdb/mi/mi-cmds.h gdb/minsyms.c gdb/mips-linux-nat.c gdb/mips-linux-tdep.c gdb/mips-tdep.c gdb/mn10300-tdep.c gdb/ns32k-tdep.c gdb/objc-lang.c gdb/objfiles.c gdb/objfiles.h gdb/osabi.c gdb/p-lang.c gdb/pa64solib.c gdb/printcmd.c gdb/proc-api.c gdb/procfs.c gdb/regcache.c gdb/remote-fileio.c gdb/remote-rdi.c gdb/remote-sim.c gdb/remote.c gdb/rs6000-tdep.c gdb/s390-tdep.c gdb/scm-lang.c gdb/ser-pipe.c gdb/sh-tdep.c gdb/sh64-tdep.c gdb/sol-thread.c gdb/solib-sunos.c gdb/somread.c gdb/somsolib.c gdb/source.c gdb/sparc-nat.c gdb/sparc-tdep.c gdb/sparc-tdep.h gdb/sparc64-tdep.h gdb/sparc64nbsd-tdep.c gdb/sparc64obsd-tdep.c gdb/sparcnbsd-tdep.c gdb/sparcobsd-tdep.c gdb/stabsread.c gdb/stack.c gdb/symfile.c gdb/symfile.h gdb/symmisc.c gdb/symtab.c gdb/symtab.h gdb/target.h gdb/testsuite/ChangeLog gdb/testsuite/config/sim.exp gdb/testsuite/gdb.arch/gdb1291.c gdb/testsuite/gdb.arch/gdb1431.c gdb/testsuite/gdb.asm/asm-source.exp gdb/testsuite/gdb.asm/ia64.inc gdb/testsuite/gdb.asm/openbsd.inc gdb/testsuite/gdb.base/Makefile.in gdb/testsuite/gdb.base/bang.exp gdb/testsuite/gdb.base/call-ar-st.exp gdb/testsuite/gdb.base/charset.c gdb/testsuite/gdb.base/chng-syms.c gdb/testsuite/gdb.base/chng-syms.exp gdb/testsuite/gdb.base/completion.exp gdb/testsuite/gdb.base/dump.c gdb/testsuite/gdb.base/dump.exp gdb/testsuite/gdb.base/fileio.c gdb/testsuite/gdb.base/finish.exp gdb/testsuite/gdb.base/gcore.exp gdb/testsuite/gdb.base/huge.c gdb/testsuite/gdb.base/huge.exp gdb/testsuite/gdb.base/info-proc.exp gdb/testsuite/gdb.base/langs.exp gdb/testsuite/gdb.base/maint.exp gdb/testsuite/gdb.base/pending.c gdb/testsuite/gdb.base/pending.exp gdb/testsuite/gdb.base/pendshr.c gdb/testsuite/gdb.base/return2.exp gdb/testsuite/gdb.base/shlib-call.exp gdb/testsuite/gdb.cp/ambiguous.exp gdb/testsuite/gdb.cp/annota2.exp gdb/testsuite/gdb.cp/annota3.exp gdb/testsuite/gdb.cp/anon-union.exp gdb/testsuite/gdb.cp/breakpoint.cc gdb/testsuite/gdb.cp/breakpoint.exp gdb/testsuite/gdb.cp/bs15503.cc gdb/testsuite/gdb.cp/casts.exp gdb/testsuite/gdb.cp/class2.cc gdb/testsuite/gdb.cp/classes.exp gdb/testsuite/gdb.cp/cplusfuncs.exp gdb/testsuite/gdb.cp/ctti.exp gdb/testsuite/gdb.cp/cttiadd.cc gdb/testsuite/gdb.cp/cttiadd1.cc gdb/testsuite/gdb.cp/cttiadd2.cc gdb/testsuite/gdb.cp/cttiadd3.cc gdb/testsuite/gdb.cp/demangle.exp gdb/testsuite/gdb.cp/derivation.exp gdb/testsuite/gdb.cp/exception.cc gdb/testsuite/gdb.cp/exception.exp gdb/testsuite/gdb.cp/hang.exp gdb/testsuite/gdb.cp/inherit.exp gdb/testsuite/gdb.cp/local.exp gdb/testsuite/gdb.cp/maint.exp gdb/testsuite/gdb.cp/member-ptr.cc gdb/testsuite/gdb.cp/member-ptr.exp gdb/testsuite/gdb.cp/method.exp gdb/testsuite/gdb.cp/misc.exp gdb/testsuite/gdb.cp/namespace.cc gdb/testsuite/gdb.cp/namespace.exp gdb/testsuite/gdb.cp/namespace1.cc gdb/testsuite/gdb.cp/overload.cc gdb/testsuite/gdb.cp/overload.exp gdb/testsuite/gdb.cp/ovldbreak.exp gdb/testsuite/gdb.cp/psmang.exp gdb/testsuite/gdb.cp/ref-types.exp gdb/testsuite/gdb.cp/rtti.exp gdb/testsuite/gdb.cp/rtti1.cc gdb/testsuite/gdb.cp/templates.exp gdb/testsuite/gdb.cp/userdef.exp gdb/testsuite/gdb.cp/virtfunc.exp gdb/testsuite/gdb.mi/mi-stack.exp gdb/testsuite/gdb.mi/mi-var-child.exp gdb/testsuite/gdb.objc/basicclass.exp gdb/testsuite/gdb.threads/gcore-thread.exp gdb/testsuite/gdb.threads/thread-specific.c gdb/testsuite/gdb.threads/thread-specific.exp gdb/testsuite/lib/compiler.c gdb/testsuite/lib/compiler.cc gdb/testsuite/lib/gdb.exp gdb/tui/tui-command.c gdb/tui/tui-data.c gdb/tui/tui-data.h gdb/tui/tui-disasm.c gdb/tui/tui-file.c gdb/tui/tui-hooks.c gdb/tui/tui-hooks.h gdb/tui/tui-interp.c gdb/tui/tui-io.c gdb/tui/tui-layout.c gdb/tui/tui-layout.h gdb/tui/tui-regs.c gdb/tui/tui-regs.h gdb/tui/tui-source.c gdb/tui/tui-source.h gdb/tui/tui-stack.c gdb/tui/tui-stack.h gdb/tui/tui-win.c gdb/tui/tui-win.h gdb/tui/tui-windata.c gdb/tui/tui-windata.h gdb/tui/tui-wingeneral.c gdb/tui/tui-wingeneral.h gdb/tui/tui-winsource.c gdb/tui/tui-winsource.h gdb/tui/tui.c gdb/tui/tui.h gdb/utils.c gdb/v850-tdep.c gdb/valops.c gdb/values.c gdb/vax-tdep.c gdb/version.in gdb/xcoffread.c gdb/xstormy16-tdep.c include/elf/ChangeLog include/elf/common.h include/opcode/ChangeLog include/opcode/h8300.h ld/ChangeLog ld/emulparams/armelf.sh ld/emulparams/armelf_linux.sh ld/emulparams/elf32bmip.sh ld/emulparams/elf32bmipn32.sh ld/emulparams/elf32btsmipn32.sh ld/emulparams/elf64_ia64.sh ld/emulparams/shlelf_linux.sh ld/emultempl/pe.em ld/genscripts.sh ld/testsuite/ChangeLog ld/testsuite/ld-arm/arm-app-abs32.d ld/testsuite/ld-arm/arm-app-abs32.r ld/testsuite/ld-arm/arm-app-abs32.s ld/testsuite/ld-arm/arm-elf.exp ld/testsuite/ld-h8300/h8300.exp ld/testsuite/ld-h8300/relax-5-coff.d ld/testsuite/ld-h8300/relax-5.d ld/testsuite/ld-h8300/relax-5.s libiberty/ChangeLog libiberty/Makefile.in libiberty/configure libiberty/configure.ac libiberty/getpwd.c libiberty/maint-tool opcodes/ChangeLog opcodes/m32r-dis.c opcodes/sh-opc.h readline/ChangeLog.gdb readline/bind.c readline/mbutil.c readline/readline.c readline/vi_mode.c sim/ChangeLog sim/configure sim/configure.in sim/m32r/ChangeLog sim/m32r/mloop2.in sim/m32r/mloopx.in sim/ppc/ChangeLog sim/ppc/ppc-instructions sim/sh/ChangeLog sim/sh/gencode.c sim/sh/interp.c sim/testsuite/ChangeLog sim/testsuite/lib/sim-defs.exp sim/testsuite/sim/mips/ChangeLog sim/testsuite/sim/mips/basic.exp sim/testsuite/sim/mips/sanity.s sim/testsuite/sim/mips/testutils.inc sim/testsuite/sim/sh/ChangeLog sim/testsuite/sim/sh/allinsn.exp sim/testsuite/sim/sh/and.s sim/testsuite/sim/sh/movi.s sim/testsuite/sim/sh/sett.s sim/testsuite/sim/sh/testutils.inc Delete: gdb/testsuite/gdb.mi/mi1-basics.exp gdb/testsuite/gdb.mi/mi1-break.exp gdb/testsuite/gdb.mi/mi1-console.exp gdb/testsuite/gdb.mi/mi1-disassemble.exp gdb/testsuite/gdb.mi/mi1-eval.exp gdb/testsuite/gdb.mi/mi1-hack-cli.exp gdb/testsuite/gdb.mi/mi1-pthreads.exp gdb/testsuite/gdb.mi/mi1-read-memory.exp gdb/testsuite/gdb.mi/mi1-regs.exp gdb/testsuite/gdb.mi/mi1-return.exp gdb/testsuite/gdb.mi/mi1-simplerun.exp gdb/testsuite/gdb.mi/mi1-stack.exp gdb/testsuite/gdb.mi/mi1-stepi.exp gdb/testsuite/gdb.mi/mi1-symbol.exp gdb/testsuite/gdb.mi/mi1-until.exp gdb/testsuite/gdb.mi/mi1-var-block.exp gdb/testsuite/gdb.mi/mi1-var-child.exp gdb/testsuite/gdb.mi/mi1-var-cmd.exp gdb/testsuite/gdb.mi/mi1-var-display.exp gdb/testsuite/gdb.mi/mi1-watch.exp
Diffstat (limited to 'bfd/elf.c')
-rw-r--r--bfd/elf.c60
1 files changed, 51 insertions, 9 deletions
diff --git a/bfd/elf.c b/bfd/elf.c
index cd107bd..5e31f89 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -1,6 +1,7 @@
/* ELF executable support for BFD.
- Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
- 2003 Free Software Foundation, Inc.
+
+ Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
+ 2002, 2003, 2004 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
@@ -3571,6 +3572,35 @@ elf_sort_sections (const void *arg1, const void *arg2)
return sec1->target_index - sec2->target_index;
}
+/* Ian Lance Taylor writes:
+
+ We shouldn't be using % with a negative signed number. That's just
+ not good. We have to make sure either that the number is not
+ negative, or that the number has an unsigned type. When the types
+ are all the same size they wind up as unsigned. When file_ptr is a
+ larger signed type, the arithmetic winds up as signed long long,
+ which is wrong.
+
+ What we're trying to say here is something like ``increase OFF by
+ the least amount that will cause it to be equal to the VMA modulo
+ the page size.'' */
+/* In other words, something like:
+
+ vma_offset = m->sections[0]->vma % bed->maxpagesize;
+ off_offset = off % bed->maxpagesize;
+ if (vma_offset < off_offset)
+ adjustment = vma_offset + bed->maxpagesize - off_offset;
+ else
+ adjustment = vma_offset - off_offset;
+
+ which can can be collapsed into the expression below. */
+
+static file_ptr
+vma_page_aligned_bias (bfd_vma vma, ufile_ptr off, bfd_vma maxpagesize)
+{
+ return ((vma - off) % maxpagesize);
+}
+
/* Assign file positions to the sections based on the mapping from
sections to segments. This function also sets up some fields in
the file header, and writes out the program headers. */
@@ -3698,7 +3728,8 @@ assign_file_positions_for_segments (bfd *abfd, struct bfd_link_info *link_info)
&& (m->sections[0]->flags & SEC_ALLOC) != 0)
{
if ((abfd->flags & D_PAGED) != 0)
- off += (m->sections[0]->vma - off) % bed->maxpagesize;
+ off += vma_page_aligned_bias (m->sections[0]->vma, off,
+ bed->maxpagesize);
else
{
bfd_size_type align;
@@ -3713,7 +3744,8 @@ assign_file_positions_for_segments (bfd *abfd, struct bfd_link_info *link_info)
align = secalign;
}
- off += (m->sections[0]->vma - off) % (1 << align);
+ off += vma_page_aligned_bias (m->sections[0]->vma, off,
+ 1 << align);
}
}
@@ -3875,9 +3907,11 @@ assign_file_positions_for_segments (bfd *abfd, struct bfd_link_info *link_info)
not have the SEC_LOAD case just above, and then
this was necessary, but now I'm not sure. */
if ((abfd->flags & D_PAGED) != 0)
- adjust = (sec->vma - voff) % bed->maxpagesize;
+ adjust = vma_page_aligned_bias (sec->vma, voff,
+ bed->maxpagesize);
else
- adjust = (sec->vma - voff) % align;
+ adjust = vma_page_aligned_bias (sec->vma, voff,
+ align);
}
else
adjust = 0;
@@ -4211,9 +4245,11 @@ assign_file_positions_except_relocs (bfd *abfd,
? "*unknown*"
: hdr->bfd_section->name)));
if ((abfd->flags & D_PAGED) != 0)
- off += (hdr->sh_addr - off) % bed->maxpagesize;
+ off += vma_page_aligned_bias (hdr->sh_addr, off,
+ bed->maxpagesize);
else
- off += (hdr->sh_addr - off) % hdr->sh_addralign;
+ off += vma_page_aligned_bias (hdr->sh_addr, off,
+ hdr->sh_addralign);
off = _bfd_elf_assign_file_position_for_section (hdr, off,
FALSE);
}
@@ -5261,6 +5297,7 @@ swap_out_syms (bfd *abfd,
char *outbound_shndx;
int idx;
bfd_size_type amt;
+ bfd_boolean name_local_sections;
if (!elf_map_symbols (abfd))
return FALSE;
@@ -5326,6 +5363,10 @@ swap_out_syms (bfd *abfd,
outbound_shndx += sizeof (Elf_External_Sym_Shndx);
}
+ name_local_sections
+ = (bed->elf_backend_name_local_section_symbols
+ && bed->elf_backend_name_local_section_symbols (abfd));
+
syms = bfd_get_outsymbols (abfd);
for (idx = 0; idx < symcount; idx++)
{
@@ -5335,7 +5376,8 @@ swap_out_syms (bfd *abfd,
flagword flags = syms[idx]->flags;
int type;
- if ((flags & (BSF_SECTION_SYM | BSF_GLOBAL)) == BSF_SECTION_SYM)
+ if (!name_local_sections
+ && (flags & (BSF_SECTION_SYM | BSF_GLOBAL)) == BSF_SECTION_SYM)
{
/* Local section symbols have no name. */
sym.st_name = 0;