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| author | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2012-07-19 17:04:04 -0300 |
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| committer | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2012-07-19 17:04:04 -0300 |
| commit | d37cbdaa86f484dc5be58be391da739df862bf96 (patch) | |
| tree | 3363fbb96de6e8a33e2612f3474f81241ed85fcd /sysdeps/powerpc/powerpc32/tls-macros.h | |
| parent | 46f85fc22637213e4a97b306f40a64ae09f82f18 (diff) | |
| download | glibc-d37cbdaa86f484dc5be58be391da739df862bf96.tar.gz glibc-d37cbdaa86f484dc5be58be391da739df862bf96.tar.xz glibc-d37cbdaa86f484dc5be58be391da739df862bf96.zip | |
Split tls-macros.h in sysdeps directories.
Split PowerPC definitions in PPC32 and PPC64 headers.
Diffstat (limited to 'sysdeps/powerpc/powerpc32/tls-macros.h')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/tls-macros.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc32/tls-macros.h b/sysdeps/powerpc/powerpc32/tls-macros.h new file mode 100644 index 0000000000..0df0814247 --- /dev/null +++ b/sysdeps/powerpc/powerpc32/tls-macros.h @@ -0,0 +1,87 @@ +/* Include sysdeps/powerpc/tls-macros.h for __TLS_CALL_CLOBBERS */ +#include_next "tls-macros.h" +#include "config.h" + +/* PowerPC32 Local Exec TLS access. */ +#define TLS_LE(x) \ + ({ int *__result; \ + asm ("addi %0,2," #x "@tprel" \ + : "=r" (__result)); \ + __result; }) + +/* PowerPC32 Initial Exec TLS access. */ +#ifdef HAVE_ASM_PPC_REL16 +# define TLS_IE(x) \ + ({ int *__result; \ + asm ("bcl 20,31,1f\n1:\t" \ + "mflr %0\n\t" \ + "addis %0,%0,_GLOBAL_OFFSET_TABLE_-1b@ha\n\t" \ + "addi %0,%0,_GLOBAL_OFFSET_TABLE_-1b@l\n\t" \ + "lwz %0," #x "@got@tprel(%0)\n\t" \ + "add %0,%0," #x "@tls" \ + : "=b" (__result) : \ + : "lr"); \ + __result; }) +#else +# define TLS_IE(x) \ + ({ int *__result; \ + asm ("bl _GLOBAL_OFFSET_TABLE_@local-4\n\t" \ + "mflr %0\n\t" \ + "lwz %0," #x "@got@tprel(%0)\n\t" \ + "add %0,%0," #x "@tls" \ + : "=b" (__result) : \ + : "lr"); \ + __result; }) +#endif + +/* PowerPC32 Local Dynamic TLS access. */ +#ifdef HAVE_ASM_PPC_REL16 +# define TLS_LD(x) \ + ({ int *__result; \ + asm ("bcl 20,31,1f\n1:\t" \ + "mflr 3\n\t" \ + "addis 3,3,_GLOBAL_OFFSET_TABLE_-1b@ha\n\t" \ + "addi 3,3,_GLOBAL_OFFSET_TABLE_-1b@l\n\t" \ + "addi 3,3," #x "@got@tlsld\n\t" \ + "bl __tls_get_addr@plt\n\t" \ + "addi %0,3," #x "@dtprel" \ + : "=r" (__result) : \ + : "3", __TLS_CALL_CLOBBERS); \ + __result; }) +#else +# define TLS_LD(x) \ + ({ int *__result; \ + asm ("bl _GLOBAL_OFFSET_TABLE_@local-4\n\t" \ + "mflr 3\n\t" \ + "addi 3,3," #x "@got@tlsld\n\t" \ + "bl __tls_get_addr@plt\n\t" \ + "addi %0,3," #x "@dtprel" \ + : "=r" (__result) : \ + : "3", __TLS_CALL_CLOBBERS); \ + __result; }) +#endif + +/* PowerPC32 General Dynamic TLS access. */ +#ifdef HAVE_ASM_PPC_REL16 +# define TLS_GD(x) \ + ({ register int *__result __asm__ ("r3"); \ + asm ("bcl 20,31,1f\n1:\t" \ + "mflr 3\n\t" \ + "addis 3,3,_GLOBAL_OFFSET_TABLE_-1b@ha\n\t" \ + "addi 3,3,_GLOBAL_OFFSET_TABLE_-1b@l\n\t" \ + "addi 3,3," #x "@got@tlsgd\n\t" \ + "bl __tls_get_addr@plt" \ + : "=r" (__result) : \ + : __TLS_CALL_CLOBBERS); \ + __result; }) +#else +# define TLS_GD(x) \ + ({ register int *__result __asm__ ("r3"); \ + asm ("bl _GLOBAL_OFFSET_TABLE_@local-4\n\t" \ + "mflr 3\n\t" \ + "addi 3,3," #x "@got@tlsgd\n\t" \ + "bl __tls_get_addr@plt" \ + : "=r" (__result) : \ + : __TLS_CALL_CLOBBERS); \ + __result; }) +#endif |