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authorJoseph Myers <joseph@codesourcery.com>2012-07-17 11:30:58 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-07-17 11:30:58 +0000
commitcfc82fd8ac7f910f19b02feed84b68c2e3a3d927 (patch)
tree9977bd58e47d74b8d44bedd3459c47855e4ad890 /sysdeps/powerpc/tls-macros.h
parent07cbfc23683827c1b92d0bc62b15a77a48b09a17 (diff)
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Split tls-macros.h into sysdeps directories.
Diffstat (limited to 'sysdeps/powerpc/tls-macros.h')
-rw-r--r--sysdeps/powerpc/tls-macros.h138
1 files changed, 138 insertions, 0 deletions
diff --git a/sysdeps/powerpc/tls-macros.h b/sysdeps/powerpc/tls-macros.h
new file mode 100644
index 0000000000..e9c25434e1
--- /dev/null
+++ b/sysdeps/powerpc/tls-macros.h
@@ -0,0 +1,138 @@
+#define __TLS_CALL_CLOBBERS						      \
+	"0", "4", "5", "6", "7", "8", "9", "10", "11", "12",		      \
+	"lr", "ctr", "cr0", "cr1", "cr5", "cr6", "cr7"
+
+#ifndef __powerpc64__
+
+# 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
+
+#else
+
+/* PowerPC64 Local Exec TLS access.  */
+# define TLS_LE(x)							      \
+  ({ int * __result;							      \
+     asm ("addis %0,13," #x "@tprel@ha\n\t"				      \
+	  "addi  %0,%0," #x "@tprel@l"					      \
+	  : "=b" (__result) );						      \
+     __result;								      \
+  })
+/* PowerPC64 Initial Exec TLS access.  */
+# define TLS_IE(x)							      \
+  ({ int * __result;							      \
+     asm ("ld  %0," #x "@got@tprel(2)\n\t"				      \
+	  "add %0,%0," #x "@tls"					      \
+	  : "=r" (__result) );						      \
+     __result;								      \
+  })
+# ifdef HAVE_ASM_GLOBAL_DOT_NAME
+#  define __TLS_GET_ADDR ".__tls_get_addr"
+# else
+#  define __TLS_GET_ADDR "__tls_get_addr"
+# endif
+/* PowerPC64 Local Dynamic TLS access.  */
+# define TLS_LD(x)							      \
+  ({ int * __result;							      \
+     asm ("addi  3,2," #x "@got@tlsld\n\t"				      \
+	  "bl    " __TLS_GET_ADDR "\n\t"				      \
+	  "nop   \n\t"							      \
+	  "addis %0,3," #x "@dtprel@ha\n\t"				      \
+	  "addi  %0,%0," #x "@dtprel@l"					      \
+	  : "=b" (__result) :						      \
+	  : "3", __TLS_CALL_CLOBBERS);					      \
+     __result;								      \
+  })
+/* PowerPC64 General Dynamic TLS access.  */
+# define TLS_GD(x)							      \
+  ({ register int *__result __asm__ ("r3");				      \
+     asm ("addi  3,2," #x "@got@tlsgd\n\t"				      \
+	  "bl    " __TLS_GET_ADDR "\n\t"				      \
+	  "nop   "							      \
+	  : "=r" (__result) :						      \
+	  : __TLS_CALL_CLOBBERS);					      \
+     __result;								      \
+  })
+#endif