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Match x86 PIC thunk names to compiler version.

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This commit is contained in:
Joseph Myers 2012-02-06 18:05:54 +00:00
parent d8e0ca509a
commit 314054eaef
2 changed files with 22 additions and 3 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2012-02-06 Joseph Myers <joseph@codesourcery.com>
* sysdeps/i386/sysdep.h: Include <features.h>.
(GET_PC_THUNK, GET_PC_THUNK_STR): Define conditionally on compiler
version.
2012-02-05 Joseph Myers <joseph@codesourcery.com>
* sysdeps/i386/sysdep.h (SETUP_PIC_REG_STR, LOAD_PIC_REG_STR):

19
sysdeps/i386/sysdep.h
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@ -20,10 +20,23 @@
#include <sysdeps/generic/sysdep.h>
#ifdef __ASSEMBLER__
# define GET_PC_THUNK(reg) __i686.get_pc_thunk.reg
#include <features.h> /* For __GNUC_PREREQ. */
/* It is desirable that the names of PIC thunks match those used by
GCC so that multiple copies are eliminated by the linker. */
#ifdef __ASSEMBLER__
# if __GNUC_PREREQ (4, 7)
# define GET_PC_THUNK(reg) __x86.get_pc_thunk.reg
# else
# define GET_PC_THUNK(reg) __i686.get_pc_thunk.reg
# endif
#else
# define GET_PC_THUNK_STR(reg) "__i686.get_pc_thunk." #reg
# if __GNUC_PREREQ (4, 7)
# define GET_PC_THUNK_STR(reg) "__x86.get_pc_thunk." #reg
# else
# define GET_PC_THUNK_STR(reg) "__i686.get_pc_thunk." #reg
# endif
#endif
#ifdef __ASSEMBLER__