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fix undefined behavior in memset due to missing sequence points
[musl]
/
arch
/
mips
/
pthread_arch.h
diff --git
a/arch/mips/pthread_arch.h
b/arch/mips/pthread_arch.h
index
77b7330
..
e581265
100644
(file)
--- a/
arch/mips/pthread_arch.h
+++ b/
arch/mips/pthread_arch.h
@@
-1,12
+1,18
@@
static inline struct pthread *__pthread_self()
{
static inline struct pthread *__pthread_self()
{
- struct pthread *self;
-#ifdef __clang__
- __asm__ __volatile__ (".word 0x7c03e83b
; move %0, $3" : "=r" (self) : : "$3"
);
+#if __mips_isa_rev < 2
+ register char *tp __asm__("$3");
+ __asm__ __volatile__ (".word 0x7c03e83b
" : "=r" (tp)
);
#else
#else
- __asm__ __volatile__ (".word 0x7c03e83b" : "=v" (self) );
+ char *tp;
+ __asm__ __volatile__ ("rdhwr %0, $29" : "=r" (tp) );
#endif
#endif
- return
self
;
+ return
(pthread_t)(tp - 0x7000 - sizeof(struct pthread))
;
}
}
-#define CANCEL_REG_IP (3-(union {int __i; char __b;}){1}.__b)
+#define TLS_ABOVE_TP
+#define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread) + 0x7000)
+
+#define DTP_OFFSET 0x8000
+
+#define MC_PC pc