https://sourceware.org/bugzilla/show_bug.cgi?id=17154
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=144bed8d4d8a1bdc0067f55f2ee71c07e5594677
commit 144bed8d4d8a1bdc0067f55f2ee71c07e5594677
Author: H.J. Lu <hjl.to...@gmail.com>
Date: Wed Jul 16 08:16:24 2014 -0700
Properly match PLT entry against .got.plt relocation
Relocations against .got.plt section may not be in the same order as
entries in PLT section. It is incorrect to assume that the Ith reloction
index against .got.plt section always maps to the (I + 1)th entry in PLT
section. This patch matches the .got.plt relocation offset/index in PLT
entry against the index in .got.plt relocation table. It only checks
R_*_JUMP_SLOT and R_*_IRELATIVE relocations. It ignores R_*_TLS_DESC
and R_*_TLSDESC relocations since they have different PLT entries.
bfd/
PR binutils/17154
* elf32-i386.c (elf_i386_plt_sym_val): Only match R_*_JUMP_SLOT
and R_*_IRELATIVE relocation offset with PLT entry.
* elf64-x86-64.c (elf_x86_64_plt_sym_val): Likewise.
(elf_x86_64_plt_sym_val_offset_plt_bnd): New.
(elf_x86_64_get_synthetic_symtab): Use it.
ld/testsuite/
PR binutils/17154
* ld-ifunc/pr17154-i386.d: New file.
* ld-ifunc/pr17154-x86-64.d: Likewise.
* ld-ifunc/pr17154-x86.s: Likewise.
* ld-x86-64/bnd-ifunc-2.d: Likewise.
* ld-x86-64/bnd-ifunc-2.s: Likewise.
* ld-x86-64/mpx.exp: Run bnd-ifunc-2.
* ld-x86-64/tlsdesc-nacl.pd: Updated.
* ld-x86-64/tlsdesc.pd: Likewise.
-----------------------------------------------------------------------
Summary of changes:
bfd/ChangeLog | 9 +++
bfd/elf32-i386.c | 38 ++++++++++++--
bfd/elf64-x86-64.c | 89 ++++++++++++++++++++++++++++---
ld/testsuite/ChangeLog | 12 ++++
ld/testsuite/ld-ifunc/pr17154-i386.d | 47 +++++++++++++++++
ld/testsuite/ld-ifunc/pr17154-x86-64.d | 46 ++++++++++++++++
ld/testsuite/ld-ifunc/pr17154-x86.s | 28 ++++++++++
ld/testsuite/ld-x86-64/bnd-ifunc-2.d | 54 +++++++++++++++++++
ld/testsuite/ld-x86-64/bnd-ifunc-2.s | 28 ++++++++++
ld/testsuite/ld-x86-64/mpx.exp | 1 +
ld/testsuite/ld-x86-64/tlsdesc-nacl.pd | 4 +-
ld/testsuite/ld-x86-64/tlsdesc.pd | 3 +-
12 files changed, 340 insertions(+), 19 deletions(-)
create mode 100644 ld/testsuite/ld-ifunc/pr17154-i386.d
create mode 100644 ld/testsuite/ld-ifunc/pr17154-x86-64.d
create mode 100644 ld/testsuite/ld-ifunc/pr17154-x86.s
create mode 100644 ld/testsuite/ld-x86-64/bnd-ifunc-2.d
create mode 100644 ld/testsuite/ld-x86-64/bnd-ifunc-2.s
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