diff options
| author | H.J. Lu <hjl.tools@gmail.com> | 2016-03-15 11:07:06 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2016-03-15 11:07:54 -0700 |
| commit | 4c10bbaa0912742322f10d9d5bb630ba4e15dfa7 (patch) | |
| tree | 4da4677185d00b755043d03f5781dd316029926c /ld/emulparams | |
| parent | 1eb2dbb8d73c344e199fd04531ec3f649e2835b2 (diff) | |
| download | gdb-4c10bbaa0912742322f10d9d5bb630ba4e15dfa7.zip gdb-4c10bbaa0912742322f10d9d5bb630ba4e15dfa7.tar.gz gdb-4c10bbaa0912742322f10d9d5bb630ba4e15dfa7.tar.bz2 | |
Add -z noreloc-overflow option to x86-64 ld
Add -z noreloc-overflow command-line option to the x86-64 ELF linker to
disable relocation overflow check. This can be used to avoid relocation
overflow check if there will be no dynamic relocation overflow at
run-time.
bfd/
PR ld/19807
* elf64-x86-64.c (elf_x86_64_relocate_section): Check
no_reloc_overflow_check to diable R_X86_64_32/R_X86_64_32S
relocation overflow check.
include/
PR ld/19807
* bfdlink.h (bfd_link_info): Add no_reloc_overflow_check.
ld/
PR ld/19807
* Makefile.am (ELF_X86_DEPS): Add
$(srcdir)/emulparams/reloc_overflow.sh.
* Makefile.in: Regenerated.
* NEWS: Mention -z noreloc-overflow.
* ld.texinfo: Document -z noreloc-overflow.
* emulparams/elf32_x86_64.sh: Source
${srcdir}/emulparams/reloc_overflow.sh.
* emulparams/elf_x86_64.sh: Likewise.
* emulparams/reloc_overflow.sh: New file.
* testsuite/ld-x86-64/pr19807-1.s: New file.
* testsuite/ld-x86-64/pr19807-1a.d: Likewise.
* testsuite/ld-x86-64/pr19807-1b.d: Likewise.
* testsuite/ld-x86-64/pr19807-2.s: Likewise.
* testsuite/ld-x86-64/pr19807-2a.d: Likewise.
* testsuite/ld-x86-64/pr19807-2b.d: Likewise.
* testsuite/ld-x86-64/pr19807-2c.d: Likewise.
* testsuite/ld-x86-64/pr19807-2d.d: Likewise.
* testsuite/ld-x86-64/pr19807-2e.d: Likewise.
* testsuite/ld-x86-64/x86-64.exp: Run PR ld/19807 tests.
Diffstat (limited to 'ld/emulparams')
| -rw-r--r-- | ld/emulparams/elf32_x86_64.sh | 1 | ||||
| -rw-r--r-- | ld/emulparams/elf_x86_64.sh | 1 | ||||
| -rw-r--r-- | ld/emulparams/reloc_overflow.sh | 11 |
3 files changed, 13 insertions, 0 deletions
diff --git a/ld/emulparams/elf32_x86_64.sh b/ld/emulparams/elf32_x86_64.sh index 1b285c5..967c1b4 100644 --- a/ld/emulparams/elf32_x86_64.sh +++ b/ld/emulparams/elf32_x86_64.sh @@ -1,6 +1,7 @@ . ${srcdir}/emulparams/plt_unwind.sh . ${srcdir}/emulparams/extern_protected_data.sh . ${srcdir}/emulparams/dynamic_undefined_weak.sh +. ${srcdir}/emulparams/reloc_overflow.sh . ${srcdir}/emulparams/call_nop.sh SCRIPT_NAME=elf ELFSIZE=32 diff --git a/ld/emulparams/elf_x86_64.sh b/ld/emulparams/elf_x86_64.sh index 0159a6c..e935f90 100644 --- a/ld/emulparams/elf_x86_64.sh +++ b/ld/emulparams/elf_x86_64.sh @@ -1,6 +1,7 @@ . ${srcdir}/emulparams/plt_unwind.sh . ${srcdir}/emulparams/extern_protected_data.sh . ${srcdir}/emulparams/dynamic_undefined_weak.sh +. ${srcdir}/emulparams/reloc_overflow.sh . ${srcdir}/emulparams/call_nop.sh SCRIPT_NAME=elf ELFSIZE=64 diff --git a/ld/emulparams/reloc_overflow.sh b/ld/emulparams/reloc_overflow.sh new file mode 100644 index 0000000..7ba0ee5 --- /dev/null +++ b/ld/emulparams/reloc_overflow.sh @@ -0,0 +1,11 @@ +PARSE_AND_LIST_OPTIONS_RELOC_OVERFLOW=' + fprintf (file, _("\ + -z noreloc-overflow Disable relocation overflow check\n")); +' +PARSE_AND_LIST_ARGS_CASE_Z_RELOC_OVERFLOW=' + else if (strcmp (optarg, "noreloc-overflow") == 0) + link_info.no_reloc_overflow_check = TRUE; +' + +PARSE_AND_LIST_OPTIONS="$PARSE_AND_LIST_OPTIONS $PARSE_AND_LIST_OPTIONS_RELOC_OVERFLOW" +PARSE_AND_LIST_ARGS_CASE_Z="$PARSE_AND_LIST_ARGS_CASE_Z $PARSE_AND_LIST_ARGS_CASE_Z_RELOC_OVERFLOW" |