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Use FSBase to map kse, GCC generates code which uses %fs to access TLS data.

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Reminded by: marcel
This commit is contained in:
David Xu 2003-07-31 22:06:36 +00:00
parent 8d2fd95bc8
commit e6145501e9
1 changed files with 4 additions and 4 deletions

8
lib/libpthread/arch/amd64/include/ksd.h

@ -57,7 +57,7 @@ struct pthread;
__ksd_type(name) __result; \
\
u_long __i; \
__asm __volatile("movq %%gs:%1, %0" \
__asm __volatile("movq %%fs:%1, %0" \
: "=r" (__i) \
: "m" (*(u_long *)(__ksd_offset(name)))); \
__result = *(__ksd_type(name) *)&__i; \
@ -73,7 +73,7 @@ struct pthread;
\
u_long __i; \
__i = *(u_long *)&__val; \
__asm __volatile("movq %1,%%gs:%0" \
__asm __volatile("movq %1,%%fs:%0" \
: "=m" (*(u_long *)(__ksd_offset(name))) \
: "r" (__i)); \
})
@ -85,7 +85,7 @@ __ksd_readandclear64(volatile u_long *addr)
__asm __volatile (
" xorq %0, %0;"
" xchgq %%gs:%1, %0;"
" xchgq %%fs:%1, %0;"
"# __ksd_readandclear64"
: "=&r" (result)
: "m" (*addr));
@ -126,7 +126,7 @@ _ksd_destroy(struct ksd *ksd)
static __inline int
_ksd_setprivate(struct ksd *ksd)
{
return (sysarch(AMD64_SET_GSBASE, &ksd->base));
return (sysarch(AMD64_SET_FSBASE, &ksd->base));
}
#endif