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Add x32 support to TLS_LE/TLS_IE/TLS_GD

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H.J. Lu 2012-05-11 14:35:56 -07:00
parent 60d45b36a5
commit 4822a2a520
2 changed files with 20 additions and 5 deletions
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9
ChangeLog
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@ -1,3 +1,12 @@
2012-05-11 H.J. Lu <hongjiu.lu@intel.com>
* elf/tls-macros.h (TLS_LE): Use mov instead of movq to load
thread pointer.
(TLS_IE): Use mov/add instead of movq/addq to load thread
pointer.
(TLS_GD_PREFIX): New.
(TLS_GD): Use it.
2012-05-11 David S. Miller <davem@davemloft.net>
* sysdeps/sparc/fpu/bits/fenv.h (__fenv_stfsr): Add __volatile__.

16
elf/tls-macros.h
View file

@ -101,15 +101,15 @@
# define TLS_LE(x) \
({ int *__l; \
asm ("movq %%fs:0,%0\n\t" \
"leaq " #x "@tpoff(%0), %0" \
asm ("mov %%fs:0,%0\n\t" \
"lea " #x "@tpoff(%0), %0" \
: "=r" (__l)); \
__l; })
# define TLS_IE(x) \
({ int *__l; \
asm ("movq %%fs:0,%0\n\t" \
"addq " #x "@gottpoff(%%rip),%0" \
asm ("mov %%fs:0,%0\n\t" \
"add " #x "@gottpoff(%%rip),%0" \
: "=r" (__l)); \
__l; })
@ -122,9 +122,15 @@
: : "rdi", "rsi", "r8", "r9", "r10", "r11"); \
__l; })
# ifdef __ILP32__
# define TLS_GD_PREFIX
# else
# define TLS_GD_PREFIX ".byte 0x66\n\t"
# endif
# define TLS_GD(x) \
({ int *__l, __c, __d; \
asm (".byte 0x66\n\t" \
asm (TLS_GD_PREFIX \
"leaq " #x "@tlsgd(%%rip),%%rdi\n\t" \
".word 0x6666\n\t" \
"rex64\n\t" \