diff options
Diffstat (limited to 'sysdeps/i386/tls-macros.h')
| -rw-r--r-- | sysdeps/i386/tls-macros.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/sysdeps/i386/tls-macros.h b/sysdeps/i386/tls-macros.h new file mode 100644 index 0000000..0b85738 --- /dev/null +++ b/sysdeps/i386/tls-macros.h @@ -0,0 +1,76 @@ +#define TLS_LE(x) \ + ({ int *__l; \ + asm ("movl %%gs:0,%0\n\t" \ + "subl $" #x "@tpoff,%0" \ + : "=r" (__l)); \ + __l; }) + +#ifdef PIC +# define TLS_IE(x) \ + ({ int *__l; \ + asm ("movl %%gs:0,%0\n\t" \ + "subl " #x "@gottpoff(%%ebx),%0" \ + : "=r" (__l)); \ + __l; }) +#else +# define TLS_IE(x) \ + ({ int *__l, __b; \ + asm ("call 1f\n\t" \ + ".subsection 1\n" \ + "1:\tmovl (%%esp), %%ebx\n\t" \ + "ret\n\t" \ + ".previous\n\t" \ + "addl $_GLOBAL_OFFSET_TABLE_, %%ebx\n\t" \ + "movl %%gs:0,%0\n\t" \ + "subl " #x "@gottpoff(%%ebx),%0" \ + : "=r" (__l), "=&b" (__b)); \ + __l; }) +#endif + +#ifdef PIC +# define TLS_LD(x) \ + ({ int *__l, __c, __d; \ + asm ("leal " #x "@tlsldm(%%ebx),%%eax\n\t" \ + "call ___tls_get_addr@plt\n\t" \ + "leal " #x "@dtpoff(%%eax), %%eax" \ + : "=a" (__l), "=&c" (__c), "=&d" (__d)); \ + __l; }) +#else +# define TLS_LD(x) \ + ({ int *__l, __b, __c, __d; \ + asm ("call 1f\n\t" \ + ".subsection 1\n" \ + "1:\tmovl (%%esp), %%ebx\n\t" \ + "ret\n\t" \ + ".previous\n\t" \ + "addl $_GLOBAL_OFFSET_TABLE_, %%ebx\n\t" \ + "leal " #x "@tlsldm(%%ebx),%%eax\n\t" \ + "call ___tls_get_addr@plt\n\t" \ + "leal " #x "@dtpoff(%%eax), %%eax" \ + : "=a" (__l), "=&b" (__b), "=&c" (__c), "=&d" (__d)); \ + __l; }) +#endif + +#ifdef PIC +# define TLS_GD(x) \ + ({ int *__l, __c, __d; \ + asm ("leal " #x "@tlsgd(%%ebx),%%eax\n\t" \ + "call ___tls_get_addr@plt\n\t" \ + "nop" \ + : "=a" (__l), "=&c" (__c), "=&d" (__d)); \ + __l; }) +#else +# define TLS_GD(x) \ + ({ int *__l, __b, __c, __d; \ + asm ("call 1f\n\t" \ + ".subsection 1\n" \ + "1:\tmovl (%%esp), %%ebx\n\t" \ + "ret\n\t" \ + ".previous\n\t" \ + "addl $_GLOBAL_OFFSET_TABLE_, %%ebx\n\t" \ + "leal " #x "@tlsgd(%%ebx),%%eax\n\t" \ + "call ___tls_get_addr@plt\n\t" \ + "nop" \ + : "=a" (__l), "=&b" (__b), "=&c" (__c), "=&d" (__d)); \ + __l; }) +#endif |