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authorFangrui Song <maskray@google.com>2021-08-18 09:15:20 -0700
committerFangrui Song <maskray@google.com>2021-08-18 09:15:20 -0700
commit710ba420fd417a4a82e0ad2e998e5f3b972cb503 (patch)
treed29323d05fb2596578e2cc017f5982d6a43afec4 /sysdeps/mips
parentb37b75d269883a2c553bb7019a813094eb4e2dd1 (diff)
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Remove sysdeps/*/tls-macros.h
They provide TLS_GD/TLS_LD/TLS_IE/TLS_IE macros for TLS testing. Now that we have migrated to __thread and tls_model attributes, these macros are unused and the tls-macros.h files can retire. Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
Diffstat (limited to 'sysdeps/mips')
-rw-r--r--sysdeps/mips/tls-macros.h130
1 files changed, 0 insertions, 130 deletions
diff --git a/sysdeps/mips/tls-macros.h b/sysdeps/mips/tls-macros.h
deleted file mode 100644
index a6fdfbc..0000000
--- a/sysdeps/mips/tls-macros.h
+++ /dev/null
@@ -1,130 +0,0 @@
-/* Macros to support TLS testing in times of missing compiler support. */
-
-#include <sys/cdefs.h>
-#include <sys/asm.h>
-#include <sysdep.h>
-
-#define __STRING2(X) __STRING(X)
-#define ADDU __STRING2(PTR_ADDU)
-#define ADDIU __STRING2(PTR_ADDIU)
-#define LW __STRING2(PTR_L)
-
-/* Load the GOT pointer, which may not be in $28 in a non-PIC
- (abicalls pic0) function. */
-#ifndef __PIC__
-# if _MIPS_SIM != _ABI64
-# ifndef __mips16
-# define LOAD_GP "move %[tmp], $28\n\tla $28, __gnu_local_gp\n\t"
-# else
-# define LOAD_GP \
- "li %[tmp], %%hi(__gnu_local_gp)\n\t" \
- "sll %[tmp], 16\n\t" \
- "addiu %[tmp], %%lo(__gnu_local_gp)\n\t"
-# endif
-# else
-# define LOAD_GP "move %[tmp], $28\n\tdla $28, __gnu_local_gp\n\t"
-# endif
-# define UNLOAD_GP "\n\tmove $28, %[tmp]"
-#else
-/* MIPS16 (re)creates the GP value using PC-relative instructions. */
-# ifdef __mips16
-# define LOAD_GP \
- "li %[tmp], %%hi(_gp_disp)\n\t" \
- "addiu %0, $pc, %%lo(_gp_disp)\n\t" \
- "sll %[tmp], 16\n\t" \
- "addu %[tmp], %0\n\t"
-# else
-# define LOAD_GP
-# endif
-# define UNLOAD_GP
-#endif
-
-# if __mips_isa_rev >= 2
-# define TLS_RDHWR "rdhwr\t%0,$29"
-# else
-# define TLS_RDHWR \
- ".set push\n\t.set mips32r2\n\t" \
- "rdhwr\t%0,$29\n\t.set pop"
-#endif
-
-#ifndef __mips16
-# define TLS_GD(x) \
- ({ void *__result, *__tmp; \
- extern void *__tls_get_addr (void *); \
- asm (LOAD_GP ADDIU " %0, $28, %%tlsgd(" #x ")" \
- UNLOAD_GP \
- : "=r" (__result), [tmp] "=&r" (__tmp)); \
- (int *)__tls_get_addr (__result); })
-# define TLS_LD(x) \
- ({ void *__result, *__tmp; \
- extern void *__tls_get_addr (void *); \
- 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" \
- : "+r" (__result) : : "$3"); \
- __result; })
-# define TLS_IE(x) \
- ({ void *__result, *__tmp; \
- asm (TLS_RDHWR \
- : "=v" (__result)); \
- 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; \
- asm (TLS_RDHWR \
- : "=v" (__result)); \
- asm ("lui $3,%%tprel_hi(" #x ")\n\t" \
- "addiu $3,$3,%%tprel_lo(" #x ")\n\t" \
- ADDU " %0,%0,$3" \
- : "+r" (__result) : : "$3"); \
- __result; })
-
-#else /* __mips16 */
-/* MIPS16 version. */
-# define TLS_GD(x) \
- ({ void *__result, *__tmp; \
- extern void *__tls_get_addr (void *); \
- asm (LOAD_GP ADDIU " %1, %%tlsgd(" #x ")" \
- "\n\tmove %0, %1" \
- : "=d" (__result), [tmp] "=&d" (__tmp)); \
- (int *) __tls_get_addr (__result); })
-# define TLS_LD(x) \
- ({ void *__result, *__tmp; \
- extern void *__tls_get_addr (void *); \
- asm (LOAD_GP ADDIU " %1, %%tlsldm(" #x ")" \
- "\n\tmove %0, %1" \
- : "=d" (__result), [tmp] "=&d" (__tmp)); \
- __result = __tls_get_addr (__result); \
- asm ("li $3,%%dtprel_hi(" #x ")\n\t" \
- "sll $3,16\n\t" \
- "addiu $3,%%dtprel_lo(" #x ")\n\t" \
- ADDU " %0,%0,$3" \
- : "+d" (__result) : : "$3"); \
- __result; })
-# define TLS_IE(x) \
- ({ void *__result, *__tmp, *__tp; \
- __tp = __builtin_thread_pointer (); \
- asm (LOAD_GP LW " $3,%%gottprel(" #x ")(%1)\n\t" \
- ADDU " %0,%[tp],$3" \
- : "=&d" (__result), [tmp] "=&d" (__tmp) \
- : [tp] "d" (__tp) : "$3"); \
- __result; })
-# define TLS_LE(x) \
- ({ void *__result, *__tp; \
- __tp = __builtin_thread_pointer (); \
- asm ("li $3,%%tprel_hi(" #x ")\n\t" \
- "sll $3,16\n\t" \
- "addiu $3,%%tprel_lo(" #x ")\n\t" \
- ADDU " %0,%[tp],$3" \
- : "=d" (__result) : [tp] "d" (__tp) : "$3"); \
- __result; })
-
-#endif /* __mips16 */