diff options
Diffstat (limited to 'elf/tls-macros.h')
| -rw-r--r-- | elf/tls-macros.h | 40 |
1 files changed, 37 insertions, 3 deletions
diff --git a/elf/tls-macros.h b/elf/tls-macros.h index c3018b83b1..35b57d4f04 100644 --- a/elf/tls-macros.h +++ b/elf/tls-macros.h @@ -2,13 +2,18 @@ #define COMMON_INT_DEF(x) \ asm (".tls_common " #x ",4,4") +/* XXX Until we get compiler support we don't need declarations. */ +#define COMMON_INT_DECL(x) /* XXX This definition will probably be machine specific, too. */ #define VAR_INT_DEF(x) \ asm (".section .tdata\n\t" \ ".globl " #x "\n" \ #x ":\t.long 0\n\t" \ + ".size " #x ",4\n\t" \ ".previous") +/* XXX Until we get compiler support we don't need declarations. */ +#define VAR_INT_DECL(x) /* XXX Each architecture must have its own asm for now. */ @@ -20,7 +25,15 @@ : "=r" (__l)); \ __l; }) -#define TLS_IE(x) \ +# 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" \ @@ -32,8 +45,18 @@ "subl " #x "@gottpoff(%%ebx),%0" \ : "=r" (__l), "=&b" (__b)); \ __l; }) +# endif -#define TLS_LD(x) \ +# ifdef PIC +# define TLS_LD(x) \ + ({ int *__l; \ + asm ("leal " #x "@tlsldm(%%ebx),%%eax\n\t" \ + "call ___tls_get_addr@plt\n\t" \ + "leal " #x "@dtpoff(%%eax), %%eax" \ + : "=a" (__l)); \ + __l; }) +# else +# define TLS_LD(x) \ ({ int *__l, __b; \ asm ("call 1f\n\t" \ ".subsection 1\n" \ @@ -46,8 +69,18 @@ "leal " #x "@dtpoff(%%eax), %%eax" \ : "=a" (__l), "=&b" (__b)); \ __l; }) +# endif -#define TLS_GD(x) \ +# ifdef PIC +# define TLS_GD(x) \ + ({ int *__l; \ + asm ("leal " #x "@tlsgd(%%ebx),%%eax\n\t" \ + "call ___tls_get_addr@plt\n\t" \ + "nop" \ + : "=a" (__l)); \ + __l; }) +# else +# define TLS_GD(x) \ ({ int *__l, __b; \ asm ("call 1f\n\t" \ ".subsection 1\n" \ @@ -60,6 +93,7 @@ "nop" \ : "=a" (__l), "=&b" (__b)); \ __l; }) +# endif #else # error "No support for this architecture so far." |