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>

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

test/tls/tls-macros.h

@@ -111,15 +111,15 @@
 
 # define TLS_LE(x) \
   ({ int *__l;								      \
-     __asm__ ("movq %%fs:0,%0\n\t"						      \
-	  "leaq " #x "@tpoff(%0), %0"					      \
+     __asm__ ("mov %%fs:0,%0\n\t"						      \
+	  "lea " #x "@tpoff(%0), %0"					      \
 	  : "=r" (__l));						      \
      __l; })
 
 # define TLS_IE(x) \
   ({ int *__l;								      \
-     __asm__ ("movq %%fs:0,%0\n\t"						      \
-	  "addq " #x "@gottpoff(%%rip),%0"				      \
+     __asm__ ("mov %%fs:0,%0\n\t"						      \
+	  "add " #x "@gottpoff(%%rip),%0"				      \
 	  : "=r" (__l));						      \
      __l; })
 
@@ -132,9 +132,15 @@
 	  : : "rdi", "rsi", "r8", "r9", "r10", "r11"); 			      \
      __l; })
 
+# ifdef __ILP32__
+#  define TLS_GD_PREFIX
+# else
+#  define TLS_GD_PREFIX	".byte 0x66\n\t"
+# endif
+
 # define TLS_GD(x) \
   ({ int *__l, __c, __d;						      \
-     __asm__ (".byte 0x66\n\t"						      \
+     __asm__ (TLS_GD_PREFIX							      \
 	  "leaq " #x "@tlsgd(%%rip),%%rdi\n\t"				      \
 	  ".word 0x6666\n\t"						      \
 	  "rex64\n\t"							      \