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2012-04-03 Roland McGrath <mcgrathr@google.com> * elf-nacl.c: New file. * elf-nacl.h: New file. * elf32-i386.c (elf_backend_modify_segment_map): Define for bfd_elf32_i386_nacl_vec. (elf_backend_modify_program_headers): Likewise. * elf64-x86-64.c (elf_backend_modify_segment_map): Define for bfd_elf64_x86_64_nacl_vec and bfd_elf32_x86_64_nacl_vec. (elf_backend_modify_program_headers): Likewise. * Makefile.am (BFD32_BACKENDS, BFD64_BACKENDS): Add elf-nacl.lo here. (BFD32_BACKENDS_CFILES, BFD64_BACKENDS_CFILES): Add elf-nacl.c here. * Makefile.in: Regenerated. * configure.in (bfd_elf64_x86_64_nacl_vec): Add elf-nacl.o to tb here. (bfd_elf32_x86_64_nacl_vec): Likewise. (bfd_elf64_x86_64_vec, bfd_elf32_x86_64_vec): Likewise. (bfd_elf64_x86_64_freebsd_vec, bfd_elf64_x86_64_sol2_vec): Likewise. (bfd_elf64_l1om_vec, bfd_elf64_l1om_freebsd_vec): Likewise. (bfd_elf64_k1om_vec, bfd_elf64_k1om_freebsd_vec): Likewise. (bfd_elf32_i386_nacl_vec): Likewise. (bfd_elf32_i386_sol2_vec, bfd_elf32_i386_freebsd_vec): Likewise. (bfd_elf32_i386_vxworks_vec, bfd_elf32_i386_vec): Likewise. * configure: Regenerated. binutils/testsuite/ 2012-04-03 Roland McGrath <mcgrathr@google.com> * lib/binutils-common.exp (is_elf_format): Consider *-*-nacl* to be ELF too. * binutils-all/elfedit-4.d: Add "#as: --64" option. * binutils-all/i386/i386.exp: Accept nacl targets too. * binutils-all/x86-64/x86-64.exp: Likewise. gas/testsuite/ 2012-04-03 Roland McGrath <mcgrathr@google.com> * gas/i386/k1om.d: Add not-target match for *-*-nacl*. * gas/i386/l1om.d: Likewise. ld/ 2012-04-03 Roland McGrath <mcgrathr@google.com> * configure.tgt (i[3-7]86-*-nacl*, x86_64-*-nacl*): Handle them. * emulparams/elf_nacl.sh: New file. * emulparams/elf_i386_nacl.sh: New file. * emulparams/elf32_x86_64_nacl.sh: New file. * emulparams/elf_x86_64_nacl.sh: New file. * Makefile.am (ALL_EMULATION_SOURCES): Add eelf_i386_nacl.c here. (ALL_64_EMULATION_SOURCES): Add eelf32_x86_64_nacl.c and eelf_x86_64_nacl.c here. (eelf_i386_nacl.c, eelf32_x86_64_nacl.c, eelf_x86_64_nacl.c): New targets. * Makefile.in: Regenerated. * scripttempl/elf.sc: Handle SEPARATE_CODE cases. ld/testsuite/ 2012-04-03 Roland McGrath <mcgrathr@google.com> * ld-x86-64/ilp32-4-nacl.d: New file. * ld-x86-64/x86-64.exp: Run it. * ld-discard/discard.exp: Accept nacl targets too. * ld-elf/binutils.exp: Likewise. * ld-elf/comm-data.exp: Likewise. * ld-elf/elf.exp: Likewise. * ld-elf/tls_common.exp: Likewise. * ld-elfvers/vers.exp: Likewise. * ld-elfvsb/elfvsb.exp: Likewise. * ld-elfweak/elfweak.exp: Likewise. * ld-gc/gc.exp: Likewise. * ld-ifunc/binutils.exp: Likewise. * ld-ifunc/ifunc.exp: Likewise. * ld-linkonce/linkonce.exp:Likewise. * ld-pie/pie.exp: Likewise. * ld-shared/shared.exp: Likewise. * ld-undefined/weak-undef.exp: Likewise. * ld-unique/unique.exp: Likewise. * ld-x86-64/dwarfreloc.exp: Likewise. * ld-x86-64/line.exp: Likewise. * lib/ld-lib.exp (slurp_options): Support global array options_regsub to apply substitutions to the contents of options lines read from the file. * ld-i386/emit-relocs.d: Renamed to ... * ld-i386/emit-relocs.rd: ... this. * ld-i386/i386.exp: Accept nacl targets too. For them, use options_regsub to replace elf_i386 with elf_i386_nacl in run_dump_test cases; apply the same substitution in $i386tests; replace foo.rd expectations files with foo-nacl.rd in $i386tests. (i386tests): Change emit-relocs.d to emit-relocs.rd here. * ld-i386/emit-relocs-nacl.rd: New file. * ld-i386/plt-nacl.pd: New file. * ld-i386/plt-pic-nacl.pd: New file. * ld-i386/tlsbin-nacl.rd: New file. * ld-i386/tlsbindesc-nacl.rd: New file. * ld-i386/tlsdesc-nacl.rd: New file. * ld-i386/tlsgdesc-nacl.rd: New file. * ld-i386/tlsnopic-nacl.rd: New file. * ld-i386/tlspic-nacl.rd: New file. * ld-x86-64/x86-64.exp: Accept nacl targets too. For them, use options_regsub to replace elf_x86_64 with elf_x86_64_nacl in run_dump_test cases; apply the same substitution in $x86_64tests; replace foo.rd expectations files with foo-nacl.rd in $x86_64tests. Add explicit -melf_x86_64 to ld options in tests that need it, in case the default emulation is x32 (as it is for x86_64-nacl). * ld/testsuite/ld-x86-64/plt-nacl.pd: New file. * ld/testsuite/ld-x86-64/split-by-file-nacl.rd: New file. * ld/testsuite/ld-x86-64/tlsbin-nacl.rd: New file. * ld/testsuite/ld-x86-64/tlsbindesc-nacl.rd: New file. * ld/testsuite/ld-x86-64/tlsdesc-nacl.pd: New file. * ld/testsuite/ld-x86-64/tlsdesc-nacl.rd: New file. * ld/testsuite/ld-x86-64/tlsgdesc-nacl.rd: New file. * ld/testsuite/ld-x86-64/tlspic-nacl.rd: New file. * ld-i386/hidden2.d: Loosen regexps to match any file format variant, and not to depend on exact addresses, displacements, etc. where they are irrelevant. * ld-i386/pcrel16.d: Likewise. * ld-i386/pcrel16abs.d: Likewise. * ld-i386/pr12718.d: Likewise. * ld-i386/pr12921.d: Likewise. * ld-i386/reloc.d: Likewise. * ld-i386/tlsbin.dd: Likewise. * ld-i386/tlsbin.sd: Likewise. * ld-i386/tlsbin.td: Likewise. * ld-i386/tlsbindesc.dd: Likewise. * ld-i386/tlsbindesc.sd: Likewise. * ld-i386/tlsbindesc.td: Likewise. * ld-i386/tlsdesc.dd: Likewise. * ld-i386/tlsdesc.sd: Likewise. * ld-i386/tlsdesc.td: Likewise. * ld-i386/tlsg.sd: Likewise. * ld-i386/tlsgdesc.dd: Likewise. * ld-i386/tlsindntpoff.dd: Likewise. * ld-i386/tlsnopic.dd: Likewise. * ld-i386/tlsnopic.sd: Likewise. * ld-i386/tlspic.dd: Likewise. * ld-i386/tlspic.sd: Likewise. * ld-i386/tlspic.td: Likewise. * ld-i386/tlspie2.d: Likewise. * ld-x86-64/hidden2.d: Likewise. * ld-x86-64/pcrel16.d: Likewise. * ld-x86-64/pr12718.d: Likewise. * ld-x86-64/pr12921.d: Likewise. * ld-x86-64/protected3.d: Likewise. * ld-x86-64/tlsbin.dd: Likewise. * ld-x86-64/tlsbin.sd: Likewise. * ld-x86-64/tlsbin.td: Likewise. * ld-x86-64/tlsbindesc.dd: Likewise. * ld-x86-64/tlsbindesc.sd: Likewise. * ld-x86-64/tlsbindesc.td: Likewise. * ld-x86-64/tlsdesc.dd: Likewise. * ld-x86-64/tlsdesc.sd: Likewise. * ld-x86-64/tlsdesc.td: Likewise. * ld-x86-64/tlsg.sd: Likewise. * ld-x86-64/tlsgd5.dd: Likewise. * ld-x86-64/tlsgd6.dd: Likewise. * ld-x86-64/tlsgdesc.dd: Likewise. * ld-x86-64/tlspic.dd: Likewise. * ld-x86-64/tlspic.sd: Likewise. * ld-x86-64/tlspic.td: Likewise. * ld-x86-64/ilp32-8.d: Match any file format variant. Use a -Ttext and adjust expected results, to handle variant layouts. * ld-x86-64/ilp32-9.d: Likewise. * ld-i386/alloc.t: Remove superfluous OUTPUT_FORMAT statement. * ld-i386/pr12627.t: Likewise. * ld-x86-64/abs-l1om.d: Add target: constraint. * ld-x86-64/protected2-l1om.d: Likewise. * ld-x86-64/protected3-l1om.d: Likewise. * ld-x86-64/ilp32-4.d: Likewise. * ld-x86-64/plt.s: New file. * ld-x86-64/pltlib.s: New file. * ld-x86-64/plt.pd: New file. * ld-x86-64/x86-64.exp (x86_64tests): Add them. * ld-i386/plt.s: New file. * ld-i386/pltlib.s: New file. * ld-i386/plt.pd: New file. * ld-i386/plt-pic.s: New file. * ld-i386/plt-pic.pd: New file. * ld-i386/i386.exp (i386tests): Add them. |
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.. | ||
emulparams | ||
emultempl | ||
po | ||
scripttempl | ||
testsuite | ||
.gitignore | ||
aclocal.m4 | ||
ChangeLog | ||
ChangeLog-0001 | ||
ChangeLog-0203 | ||
ChangeLog-2004 | ||
ChangeLog-2005 | ||
ChangeLog-2006 | ||
ChangeLog-2007 | ||
ChangeLog-2008 | ||
ChangeLog-2009 | ||
ChangeLog-2010 | ||
ChangeLog-2011 | ||
ChangeLog-9197 | ||
ChangeLog-9899 | ||
config.in | ||
configure | ||
configure.host | ||
configure.in | ||
configure.tgt | ||
deffile.h | ||
deffilep.y | ||
dep-in.sed | ||
elf-hints-local.h | ||
fdl.texi | ||
gen-doc.texi | ||
genscrba.sh | ||
genscripts.sh | ||
h8-doc.texi | ||
ld.h | ||
ld.texinfo | ||
ldcref.c | ||
ldctor.c | ||
ldctor.h | ||
ldemul.c | ||
ldemul.h | ||
ldexp.c | ||
ldexp.h | ||
ldfile.c | ||
ldfile.h | ||
ldgram.y | ||
ldint.texinfo | ||
ldlang.c | ||
ldlang.h | ||
ldlex-wrapper.c | ||
ldlex.h | ||
ldlex.l | ||
ldmain.c | ||
ldmain.h | ||
ldmisc.c | ||
ldmisc.h | ||
ldver.c | ||
ldver.h | ||
ldwrite.c | ||
ldwrite.h | ||
lexsup.c | ||
MAINTAINERS | ||
Makefile.am | ||
Makefile.in | ||
mri.c | ||
mri.h | ||
NEWS | ||
pe-dll.c | ||
pe-dll.h | ||
pep-dll.c | ||
pep-dll.h | ||
plugin.c | ||
plugin.h | ||
README | ||
stamp-h.in | ||
sysdep.h | ||
testplug.c | ||
TODO |
README for LD This is the GNU linker. It is distributed with other "binary utilities" which should be in ../binutils. See ../binutils/README for more general notes, including where to send bug reports. There are many features of the linker: * The linker uses a Binary File Descriptor library (../bfd) that it uses to read and write object files. This helps insulate the linker itself from the format of object files. * The linker supports a number of different object file formats. It can even handle multiple formats at once: Read two input formats and write a third. * The linker can be configured for cross-linking. * The linker supports a control language. * There is a user manual (ld.texinfo), as well as the beginnings of an internals manual (ldint.texinfo). Installation ============ See ../binutils/README. If you want to make a cross-linker, you may want to specify a different search path of -lfoo libraries than the default. You can do this by setting the LIB_PATH variable in ./Makefile or using the --with-lib-path configure switch. To build just the linker, make the target all-ld from the top level directory (one directory above this one). Porting to a new target ======================= See the ldint.texinfo manual. Reporting bugs etc =========================== See ../binutils/README. Known problems ============== The Solaris linker normally exports all dynamic symbols from an executable. The GNU linker does not do this by default. This is because the GNU linker tries to present the same interface for all similar targets (in this case, all native ELF targets). This does not matter for normal programs, but it can make a difference for programs which try to dlopen an executable, such as PERL or Tcl. You can make the GNU linker export all dynamic symbols with the -E or --export-dynamic command line option. HP/UX 9.01 has a shell bug that causes the linker scripts to be generated incorrectly. The symptom of this appears to be "fatal error - scanner input buffer overflow" error messages. There are various workarounds to this: * Build and install bash, and build with "make SHELL=bash". * Update to a version of HP/UX with a working shell (e.g., 9.05). * Replace "(. ${srcdir}/scripttempl/${SCRIPT_NAME}.sc)" in genscripts.sh with "sh ${srcdir}..." (no parens) and make sure the emulparams script used exports any shell variables it sets.