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-rw-r--r--elf/tls-macros.h123
1 files changed, 119 insertions, 4 deletions
diff --git a/elf/tls-macros.h b/elf/tls-macros.h
index bed2e14899..37cbe7514f 100644
--- a/elf/tls-macros.h
+++ b/elf/tls-macros.h
@@ -16,6 +16,7 @@
/* XXX Until we get compiler support we don't need declarations. */
#define VAR_INT_DECL(x)
+#include_next <tls-macros.h>
/* XXX Each architecture must have its own asm for now. */
#ifdef __i386__
@@ -440,6 +441,74 @@ register void *__gp __asm__("$29");
"o5", "o7", "cc"); \
__o0; })
+#elif defined __sparc__ && defined __arch64__
+
+# define TLS_LE(x) \
+ ({ int *__l; \
+ asm ("sethi %%tle_hix22(" #x "), %0" : "=r" (__l)); \
+ asm ("xor %1, %%tle_lox10(" #x "), %0" : "=r" (__l) : "r" (__l)); \
+ asm ("add %%g7, %1, %0" : "=r" (__l) : "r" (__l)); \
+ __l; })
+
+# ifdef __PIC__
+# define TLS_LOAD_PIC \
+ ({ long pc, got; \
+ asm ("sethi %%hi(_GLOBAL_OFFSET_TABLE_-4), %1\n\t" \
+ "rd %%pc, %0\n\t" \
+ "add %1, %%lo(_GLOBAL_OFFSET_TABLE_+4), %1\n\t" \
+ "add %1, %0, %1\n\t" \
+ : "=r" (pc), "=r" (got)); \
+ got; })
+# else
+# define TLS_LOAD_PIC \
+ ({ long got; \
+ asm (".hidden _GLOBAL_OFFSET_TABLE_\n\t" \
+ "sethi %%hi(_GLOBAL_OFFSET_TABLE_), %0\n\t" \
+ "or %0, %%lo(_GLOBAL_OFFSET_TABLE_), %0" \
+ : "=r" (got)); \
+ got; })
+# endif
+
+# define TLS_IE(x) \
+ ({ int *__l; \
+ asm ("sethi %%tie_hi22(" #x "), %0" : "=r" (__l)); \
+ asm ("add %1, %%tie_lo10(" #x "), %0" : "=r" (__l) : "r" (__l)); \
+ asm ("ldx [%1 + %2], %0, %%tie_ldx(" #x ")" \
+ : "=r" (__l) : "r" (TLS_LOAD_PIC), "r" (__l)); \
+ asm ("add %%g7, %1, %0, %%tie_add(" #x ")" : "=r" (__l) : "r" (__l)); \
+ __l; })
+
+# define TLS_LD(x) \
+ ({ int *__l; register void *__o0 asm ("%o0"); \
+ long __o; \
+ asm ("sethi %%tldm_hi22(" #x "), %0" : "=r" (__l)); \
+ asm ("add %1, %%tldm_lo10(" #x "), %0" : "=r" (__l) : "r" (__l)); \
+ asm ("add %1, %2, %0, %%tldm_add(" #x ")" \
+ : "=r" (__o0) : "r" (TLS_LOAD_PIC), "r" (__l)); \
+ asm ("call __tls_get_addr, %%tgd_call(" #x ")\n\t" \
+ " nop" \
+ : "=r" (__o0) : "0" (__o0) \
+ : "g1", "g2", "g3", "g4", "g5", "g6", "o1", "o2", "o3", "o4", \
+ "o5", "o7", "cc"); \
+ asm ("sethi %%tldo_hix22(" #x "), %0" : "=r" (__o)); \
+ asm ("xor %1, %%tldo_lox10(" #x "), %0" : "=r" (__o) : "r" (__o)); \
+ asm ("add %1, %2, %0, %%tldo_add(" #x ")" : "=r" (__l) \
+ : "r" (__o0), "r" (__o)); \
+ __l; })
+
+# define TLS_GD(x) \
+ ({ int *__l; register void *__o0 asm ("%o0"); \
+ asm ("sethi %%tgd_hi22(" #x "), %0" : "=r" (__l)); \
+ asm ("add %1, %%tgd_lo10(" #x "), %0" : "=r" (__l) : "r" (__l)); \
+ asm ("add %1, %2, %0, %%tgd_add(" #x ")" \
+ : "=r" (__o0) : "r" (TLS_LOAD_PIC), "r" (__l)); \
+ asm ("call __tls_get_addr, %%tgd_call(" #x ")\n\t" \
+ " nop" \
+ : "=r" (__o0) : "0" (__o0) \
+ : "g1", "g2", "g3", "g4", "g5", "g6", "o1", "o2", "o3", "o4", \
+ "o5", "o7", "cc"); \
+ __o0; })
+
#elif defined __s390x__
# define TLS_LE(x) \
@@ -634,6 +703,8 @@ register void *__gp __asm__("$29");
#elif defined __powerpc__ && !defined __powerpc64__
+#include "config.h"
+
# define __TLS_CALL_CLOBBERS \
"0", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", \
"lr", "ctr", "cr0", "cr1", "cr5", "cr6", "cr7"
@@ -646,7 +717,20 @@ register void *__gp __asm__("$29");
__result; })
/* PowerPC32 Initial Exec TLS access. */
-# define TLS_IE(x) \
+# 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" \
@@ -655,9 +739,24 @@ register void *__gp __asm__("$29");
: "=b" (__result) : \
: "lr"); \
__result; })
+# endif
/* PowerPC32 Local Dynamic TLS access. */
-# define TLS_LD(x) \
+# 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) : \
+ : __TLS_CALL_CLOBBERS); \
+ __result; })
+# else
+# define TLS_LD(x) \
({ int *__result; \
asm ("bl _GLOBAL_OFFSET_TABLE_@local-4\n\t" \
"mflr 3\n\t" \
@@ -667,9 +766,23 @@ register void *__gp __asm__("$29");
: "=r" (__result) : \
: __TLS_CALL_CLOBBERS); \
__result; })
+# endif
/* PowerPC32 General Dynamic TLS access. */
-# define TLS_GD(x) \
+# 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" \
+ : : \
+ : __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" \
@@ -678,6 +791,7 @@ register void *__gp __asm__("$29");
: : \
: __TLS_CALL_CLOBBERS); \
__result; })
+# endif
#elif defined __powerpc__ && defined __powerpc64__
@@ -731,6 +845,7 @@ register void *__gp __asm__("$29");
__result; \
})
-#else
+#elif !defined TLS_LE || !defined TLS_IE \
+ || !defined TLS_LD || !defined TLS_GD
# error "No support for this architecture so far."
#endif