diff options
Diffstat (limited to 'sysdeps/x86_64/tls-macros.h')
| -rw-r--r-- | sysdeps/x86_64/tls-macros.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/sysdeps/x86_64/tls-macros.h b/sysdeps/x86_64/tls-macros.h new file mode 100644 index 0000000000..22d2a4b592 --- /dev/null +++ b/sysdeps/x86_64/tls-macros.h @@ -0,0 +1,39 @@ +#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; }) |