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| author | Joseph Myers <joseph@codesourcery.com> | 2012-07-01 13:08:59 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2012-07-01 13:08:59 +0000 |
| commit | e84eabb3871c9b39e59323bf3f6b98c2ca9d1cd0 (patch) | |
| tree | dff3f1b79454b518d15a7b9bbedeb57ff156bbe8 /ports/sysdeps/hppa/tls-macros.h | |
| parent | 75f0d3040a2c2de8842bfa7a09e11da1a73e17d0 (diff) | |
| parent | e64ac02c24b43659048622714afdc92fedf561fa (diff) | |
Merge glibc-ports into ports/ directory.glibc-2.16-ports-merge
Diffstat (limited to 'ports/sysdeps/hppa/tls-macros.h')
| -rw-r--r-- | ports/sysdeps/hppa/tls-macros.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/ports/sysdeps/hppa/tls-macros.h b/ports/sysdeps/hppa/tls-macros.h new file mode 100644 index 0000000000..f5a1cd8f3d --- /dev/null +++ b/ports/sysdeps/hppa/tls-macros.h @@ -0,0 +1,115 @@ +/* TLS Access Macros for HP PARISC Linux */ + +/* HPPA Local Exec TLS access. */ +#define TLS_LE(x) \ + ({ int * __result; \ + unsigned long __tmp; \ + asm ( \ + " mfctl %%cr27, %1\n" \ + " addil LR'" #x "-$tls_leoff$, %1\n" \ + " ldo RR'" #x "-$tls_leoff$(%%r1), %0\n" \ + : "=r" (__result), "=r" (__tmp) \ + : \ + : "r1" ); \ + __result; \ + }) + +/* HPPA Initial Exec TLS access. */ +#ifdef PIC +# define TLS_IE(x) \ + ({ int * __result; \ + unsigned long __tmp, __tmp2; \ + asm ( \ + " mfctl %%cr27, %1\n" \ + " addil LT'" #x "-$tls_ieoff$, %%r19\n" \ + " ldw RT'" #x "-$tls_ieoff$(%%r1), %2\n" \ + " add %1, %2, %0\n" \ + : "=r" (__result), "=r" (__tmp), "=r" (__tmp2) \ + : \ + : "r1" ); \ + __result; \ + }) +#else +# define TLS_IE(x) \ + ({ int * __result; \ + unsigned long __tmp, __tmp2; \ + asm ( \ + " mfctl %%cr27, %1\n" \ + " addil LR'" #x "-$tls_ieoff$, %%r27\n" \ + " ldw RR'" #x "-$tls_ieoff$(%%r1), %2\n" \ + " add %1, %2, %0\n" \ + : "=r" (__result), "=r" (__tmp), "=r" (__tmp2) \ + : \ + : "r1" ); \ + __result; \ + }) +#endif + +#ifdef PIC +/* HPPA Local Dynamic TLS access. */ +# define TLS_LD(x) \ + ({ int * __result; \ + asm ( \ + " copy %%r19, %%r4\n" \ + " addil LT'" #x "-$tls_ldidx$, %%r19\n" \ + " bl __tls_get_addr, %%r2\n" \ + " ldo RT'" #x "-$tls_ldidx$(%%r1), %%r26\n" \ + " addil LR'" #x "-$tls_dtpoff$, %%r28\n" \ + " ldo RR'" #x "-$tls_dtpoff$(%%r1), %0\n" \ + " copy %%r4, %%r19\n" \ + : "=r" (__result) \ + : \ + : "r1", "r2", "r4", "r20", "r21", "r22", "r23", "r24", \ + "r25", "r26", "r28", "r29", "r31" ); \ + __result; \ + }) +#else +# define TLS_LD(x) \ + ({ int * __result; \ + asm ( \ + " addil LR'" #x "-$tls_ldidx$, %%r27\n" \ + " bl __tls_get_addr, %%r2\n" \ + " ldo RR'" #x "-$tls_ldidx$(%%r1), %%r26\n" \ + " addil LR'" #x "-$tls_dtpoff$, %%r28\n" \ + " ldo RR'" #x "-$tls_dtpoff$(%%r1), %0\n" \ + : "=r" (__result) \ + : \ + : "r1", "r2", "r20", "r21", "r22", "r23", "r24", \ + "r25", "r26", "r28", "r29", "r31" ); \ + __result; \ + }) +#endif + +/* HPPA General Dynamic TLS access. */ +#ifdef PIC +# define TLS_GD(x) \ + ({ int * __result; \ + asm ( \ + " copy %%r19, %%r4\n" \ + " addil LT'" #x "-$tls_gdidx$, %%r19\n" \ + " bl __tls_get_addr, %%r2\n" \ + " ldo RT'" #x "-$tls_gdidx$(%%r1), %%r26\n" \ + " copy %%r28, %0\n" \ + " copy %%r4, %%r19\n" \ + : "=r" (__result) \ + : \ + : "r1", "r2", "r4", "r20", "r21", "r22", "r23", "r24", \ + "r25", "r26", "r28", "r29", "r31" ); \ + __result; \ + }) +#else +# define TLS_GD(x) \ + ({ int * __result; \ + asm ( \ + " addil LR'" #x "-$tls_gdidx$, %%r27\n" \ + " bl __tls_get_addr, %%r2\n" \ + " ldo RR'" #x "-$tls_gdidx$(%%r1), %%r26\n" \ + " copy %%r28, %0\n" \ + : "=r" (__result) \ + : \ + : "r1", "r2", "r20", "r21", "r22", "r23", "r24", \ + "r25", "r26", "r28", "r29", "r31" ); \ + __result; \ + }) +#endif + |