glibc/sysdeps/x86_64/tls-macros.h
2012-07-17 11:30:58 +00:00

40 lines
1.1 KiB
C

#define TLS_LE(x) \
({ int *__l; \
asm ("mov %%fs:0,%0\n\t" \
"lea " #x "@tpoff(%0), %0" \
: "=r" (__l)); \
__l; })
#define TLS_IE(x) \
({ int *__l; \
asm ("mov %%fs:0,%0\n\t" \
"add " #x "@gottpoff(%%rip),%0" \
: "=r" (__l)); \
__l; })
#define TLS_LD(x) \
({ int *__l, __c, __d; \
asm ("leaq " #x "@tlsld(%%rip),%%rdi\n\t" \
"call __tls_get_addr@plt\n\t" \
"leaq " #x "@dtpoff(%%rax), %%rax" \
: "=a" (__l), "=&c" (__c), "=&d" (__d) \
: : "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 (TLS_GD_PREFIX \
"leaq " #x "@tlsgd(%%rip),%%rdi\n\t" \
".word 0x6666\n\t" \
"rex64\n\t" \
"call __tls_get_addr@plt" \
: "=a" (__l), "=&c" (__c), "=&d" (__d) \
: : "rdi", "rsi", "r8", "r9", "r10", "r11"); \
__l; })