https://sourceware.org/bugzilla/show_bug.cgi?id=17677
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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=875896e3e6880ec4c27b4fdfc37ae44881e11ca8
commit 875896e3e6880ec4c27b4fdfc37ae44881e11ca8
Author: H.J. Lu <[email protected]>
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.
(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 | 19 ++++
bfd/elf-bfd.h | 3 +
bfd/elf-ifunc.c | 125 ++++++++++++++++++++++++++++
bfd/elf32-i386.c | 101 ++++++++++++++++-------
bfd/elf64-x86-64.c | 235 ++++++++++++++++-----------------------------------
5 files changed, 292 insertions(+), 191 deletions(-)
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