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authorAdhemerval Zanella <azanella@linux.vnet.ibm.com>2012-07-19 17:04:04 -0300
committerAdhemerval Zanella <azanella@linux.vnet.ibm.com>2012-07-19 17:04:04 -0300
commitd37cbdaa86f484dc5be58be391da739df862bf96 (patch)
tree3363fbb96de6e8a33e2612f3474f81241ed85fcd /sysdeps/powerpc/powerpc32
parent46f85fc22637213e4a97b306f40a64ae09f82f18 (diff)
downloadglibc-d37cbdaa86f484dc5be58be391da739df862bf96.tar.gz
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Split tls-macros.h in sysdeps directories.
Split PowerPC definitions in PPC32 and PPC64 headers.
Diffstat (limited to 'sysdeps/powerpc/powerpc32')
-rw-r--r--sysdeps/powerpc/powerpc32/tls-macros.h87
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