+2003-04-12 Ulrich Drepper <drepper@redhat.com>
+
+ * sysdeps/x86_64/tls.h (THREAD_SETMEM): Word around compiler bug
+ which mishandles loading of global object addresses in PIC.
+ (THREAD_SETMEM_NC): Likewise.
+
2003-04-11 Ulrich Drepper <drepper@redhat.com>
* pthread.h: Define new data structure for cleanup buffer. Declare
cancellation state value is saved. */
# define EH_FRAME_0(name) \
.byte 4; \
- .long L(PUSHSTATE)-name; \
+ .long L(PUSHSTATE)-L(name##START); \
.byte 14; \
.uleb128 8; \
.byte 4; \
also to save the content of the %ebx register. */
# define EH_FRAME_3(name) \
.byte 4; \
- .long L(PUSHBX1)-name; \
+ .long L(PUSHBX1)-L(name##START); \
.byte 14; \
.uleb128 8; \
.byte 4; \
/* With four parameters the syscall wrappers have to save %ebx and %esi. */
# define EH_FRAME_4(name) \
.byte 4; \
- .long L(PUSHSI1)-name; \
+ .long L(PUSHSI1)-L(name##START); \
.byte 14; \
.uleb128 8; \
.byte 4; \
and %edi. */
# define EH_FRAME_5(name) \
.byte 4; \
- .long L(PUSHDI1)-name; \
+ .long L(PUSHDI1)-L(name##START); \
.byte 14; \
.uleb128 8; \
.byte 4; \
__value; })
+/* Loading addresses of objects on x86-64 needs to be treated special
+ when generating PIC code. */
+#ifdef __pic__
+# define IMM_MODE "nr"
+#else
+# define IMM_MODE "ir"
+#endif
+
+
/* Same as THREAD_SETMEM, but the member offset can be non-constant. */
# define THREAD_SETMEM(descr, member, value) \
({ if (sizeof (descr->member) == 1) \
"i" (offsetof (struct pthread, member))); \
else if (sizeof (descr->member) == 4) \
asm volatile ("movl %0,%%fs:%P1" : \
- : "ir" (value), \
+ : IMM_MODE (value), \
"i" (offsetof (struct pthread, member))); \
else \
{ \
abort (); \
\
asm volatile ("movq %q0,%%fs:%P1" : \
- : "ir" ((unsigned long int) value), \
+ : IMM_MODE ((unsigned long int) value), \
"i" (offsetof (struct pthread, member))); \
}})
"r" (idx)); \
else if (sizeof (descr->member[0]) == 4) \
asm volatile ("movl %0,%%fs:%P1(,%q2,4)" : \
- : "ir" (value), \
+ : IMM_MODE (value), \
"i" (offsetof (struct pthread, member[0])), \
"r" (idx)); \
else \
abort (); \
\
asm volatile ("movq %q0,%%fs:%P1(,%q2,8)" : \
- : "r" ((unsigned long int) value), \
+ : IMM_MODE ((unsigned long int) value), \
"i" (offsetof (struct pthread, member[0])), \
"r" (idx)); \
}})
assert (map->l_tls_modid == cnt);
assert (map->l_tls_blocksize >= map->l_tls_initimage_size);
# if TLS_TCB_AT_TP
- assert (map->l_tls_offset >= map->l_tls_blocksize);
+ assert ((size_t) map->l_tls_offset >= map->l_tls_blocksize);
dest = (char *) result - map->l_tls_offset;
# elif TLS_DTV_AT_TP
dest = (char *) result + map->l_tls_offset;