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authorWaldemar Brodkorb <wbx@openadk.org>2015-12-13 23:51:12 +0100
committerWaldemar Brodkorb <wbx@openadk.org>2015-12-17 20:35:20 +0100
commit8340ffd2997feaca9074e0272e3c4663793baf77 (patch)
tree21dc0ffcc0b26fbe33d36c4e32bf726db6f1ce6d /test/tls/tls-macros-mips.h
parentcc04ab27ba6341f46bbe094478c9af3e3706f411 (diff)
test/tls: tls-macros*.h fixes from glibc
glibc commits 4822a2a520 Add x32 support to TLS_LE/TLS_IE/TLS_GD 63fb881a04 tls-macros-mips.h: Load $gp as required. Merge 32-bit and 64-bit versions. Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com> Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
Diffstat (limited to 'test/tls/tls-macros-mips.h')
-rw-r--r--test/tls/tls-macros-mips.h94
1 files changed, 35 insertions, 59 deletions
diff --git a/test/tls/tls-macros-mips.h b/test/tls/tls-macros-mips.h
index 0db383032..eed0938f2 100644
--- a/test/tls/tls-macros-mips.h
+++ b/test/tls/tls-macros-mips.h
@@ -1,44 +1,56 @@
/* Macros to support TLS testing in times of missing compiler support. */
-#if _MIPS_SIM != _ABI64
+#include <sys/cdefs.h>
+#include <sys/asm.h>
-/* These versions are for o32 and n32. */
+#define __STRING2(X) __STRING(X)
+#define ADDU __STRING2(PTR_ADDU)
+#define ADDIU __STRING2(PTR_ADDIU)
+#define LW __STRING2(PTR_L)
-# define TLS_GD(x) \
- ({ void *__result; \
- extern void *__tls_get_addr (void *); \
- __asm__ ("addiu %0, $28, %%tlsgd(" #x ")" \
- : "=r" (__result)); \
- (int *)__tls_get_addr (__result); })
+/* Load the GOT pointer, which may not be in $28 in a non-PIC
+ (abicalls pic0) function. */
+#ifndef __PIC__
+# if _MIPS_SIM != _ABI64
+# define LOAD_GP "move %[tmp], $28\n\tla $28, __gnu_local_gp\n\t"
+# else
+# define LOAD_GP "move %[tmp], $28\n\tdla $28, __gnu_local_gp\n\t"
+# endif
+# define UNLOAD_GP "\n\tmove $28, %[tmp]"
#else
+# define LOAD_GP
+# define UNLOAD_GP
+#endif
+
# define TLS_GD(x) \
- ({ void *__result; \
+ ({ void *__result, *__tmp; \
extern void *__tls_get_addr (void *); \
- __asm__ ("daddiu %0, $28, %%tlsgd(" #x ")" \
- : "=r" (__result)); \
+ __asm__ (LOAD_GP ADDIU " %0, $28, %%tlsgd(" #x ")" \
+ UNLOAD_GP \
+ : "=r" (__result), [tmp] "=&r" (__tmp)); \
(int *)__tls_get_addr (__result); })
-#endif
-
-#if _MIPS_SIM != _ABI64
# define TLS_LD(x) \
- ({ void *__result; \
+ ({ void *__result, *__tmp; \
extern void *__tls_get_addr (void *); \
- __asm__ ("addiu %0, $28, %%tlsldm(" #x ")" \
- : "=r" (__result)); \
+ __asm__ (LOAD_GP ADDIU " %0, $28, %%tlsldm(" #x ")" \
+ UNLOAD_GP \
+ : "=r" (__result), [tmp] "=&r" (__tmp)); \
__result = __tls_get_addr (__result); \
__asm__ ("lui $3,%%dtprel_hi(" #x ")\n\t" \
"addiu $3,$3,%%dtprel_lo(" #x ")\n\t" \
- "addu %0,%0,$3" \
+ ADDU " %0,%0,$3" \
: "+r" (__result) : : "$3"); \
__result; })
# define TLS_IE(x) \
- ({ void *__result; \
+ ({ void *__result, *__tmp; \
__asm__ (".set push\n\t.set mips32r2\n\t" \
"rdhwr\t%0,$29\n\t.set pop" \
: "=v" (__result)); \
- __asm__ ("lw $3,%%gottprel(" #x ")($28)\n\t" \
- "addu %0,%0,$3" \
- : "+r" (__result) : : "$3"); \
+ __asm__ (LOAD_GP LW " $3,%%gottprel(" #x ")($28)\n\t" \
+ ADDU " %0,%0,$3" \
+ UNLOAD_GP \
+ : "+r" (__result), [tmp] "=&r" (__tmp) \
+ : : "$3"); \
__result; })
# define TLS_LE(x) \
({ void *__result; \
@@ -47,42 +59,6 @@
: "=v" (__result)); \
__asm__ ("lui $3,%%tprel_hi(" #x ")\n\t" \
"addiu $3,$3,%%tprel_lo(" #x ")\n\t" \
- "addu %0,%0,$3" \
+ ADDU " %0,%0,$3" \
: "+r" (__result) : : "$3"); \
__result; })
-
-#else
-
-/* These versions are for n64. */
-
-# define TLS_LD(x) \
- ({ void *__result; \
- extern void *__tls_get_addr (void *); \
- __asm__ ("daddiu %0, $28, %%tlsldm(" #x ")" \
- : "=r" (__result)); \
- __result = __tls_get_addr (__result); \
- __asm__ ("lui $3,%%dtprel_hi(" #x ")\n\t" \
- "daddiu $3,$3,%%dtprel_lo(" #x ")\n\t" \
- "daddu %0,%0,$3" \
- : "+r" (__result) : : "$3"); \
- __result; })
-# define TLS_IE(x) \
- ({ void *__result; \
- __asm__ (".set push\n\t.set mips32r2\n\t" \
- "rdhwr\t%0,$29\n\t.set pop" \
- : "=v" (__result)); \
- __asm__ ("ld $3,%%gottprel(" #x ")($28)\n\t" \
- "daddu %0,%0,$3" \
- : "+r" (__result) : : "$3"); \
- __result; })
-# define TLS_LE(x) \
- ({ void *__result; \
- __asm__ (".set push\n\t.set mips32r2\n\t" \
- "rdhwr\t%0,$29\n\t.set pop" \
- : "=v" (__result)); \
- __asm__ ("lui $3,%%tprel_hi(" #x ")\n\t" \
- "daddiu $3,$3,%%tprel_lo(" #x ")\n\t" \
- "daddu %0,%0,$3" \
- : "+r" (__result) : : "$3"); \
- __result; })
-#endif