https://sourceware.org/bugzilla/show_bug.cgi?id=17677
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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=cd4294b2619e6b0e1ea0e553dbdfab40db814485
commit cd4294b2619e6b0e1ea0e553dbdfab40db814485
Author: H.J. Lu <hjl.to...@gmail.com>
Date: Thu Dec 4 14:19:41 2014 -0800
Add _bfd_elf_ifunc_get_synthetic_symtab
In i386 and x86-64 binaries with ifunc, relocations against .got.plt
section may not be in the same order as entries in PLT section. This
patch adds _bfd_elf_ifunc_get_synthetic_symtab. It takes a function
pointer which returns an array of PLT entry symbol values. It calls
the function pointer to get the PLT entry symbol value array indexed
by relocation index, instead of calling plt_sym_val on each relocation
index.
PR binutils/17677
* elf-bfd.h (_bfd_elf_ifunc_get_synthetic_symtab): New prototype.
* elf-ifunc.c (_bfd_elf_ifunc_get_synthetic_symtab): New
function.
* elf32-i386.c (elf_i386_plt_sym_val): Removed.
(elf_backend_plt_sym_val): Likewise.
(elf_i386_get_plt_sym_val): New.
(elf_i386_get_synthetic_symtab): Likewise.
(bfd_elf32_get_synthetic_symtab): Likewise.
* elf64-x86-64.c (elf_x86_64_plt_sym_val): Removed.
(elf_x86_64_plt_sym_val_offset_plt_bnd): Likewise.
(elf_backend_plt_sym_val): Likewise.
(elf_x86_64_get_plt_sym_val): New.
(bfd_elf32_get_synthetic_symtab): Likewise.
(elf_x86_64_get_synthetic_symtab): Use
_bfd_elf_ifunc_get_synthetic_symtab.
(bfd_elf64_get_synthetic_symtab): Don't undefine for NaCl.
-----------------------------------------------------------------------
Summary of changes:
bfd/ChangeLog | 23 +++++
bfd/elf-bfd.h | 3 +
bfd/elf-ifunc.c | 125 +++++++++++++++++++++++++++
bfd/elf32-i386.c | 101 ++++++++++++++++-------
bfd/elf64-x86-64.c | 237 +++++++++++++++++-----------------------------------
5 files changed, 298 insertions(+), 191 deletions(-)
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