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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
parent07cbfc23683827c1b92d0bc62b15a77a48b09a17 (diff)
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Split tls-macros.h into sysdeps directories.
Diffstat (limited to 'sysdeps/powerpc')
-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 0000000..e9c2543
--- /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