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(CLEAR_CACHE): System calls clobber R0.

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(dl_platform_init): Allow _dl_platform to be NULL.
This commit is contained in:
Ulrich Drepper 2000-01-10 01:42:43 +00:00
parent 9a7c1b605a
commit 9b1eef96d2
1 changed files with 7 additions and 5 deletions
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12
sysdeps/arm/dl-machine.h
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@ -37,7 +37,10 @@
register unsigned long _beg __asm ("a1") = (unsigned long)(BEG); \ register unsigned long _beg __asm ("a1") = (unsigned long)(BEG); \
register unsigned long _end __asm ("a2") = (unsigned long)(END); \ register unsigned long _end __asm ("a2") = (unsigned long)(END); \
register unsigned long _flg __asm ("a3") = 0; \ register unsigned long _flg __asm ("a3") = 0; \
__asm __volatile ("swi 0x9f0002"); \ __asm __volatile ("swi 0x9f0002 @ sys_cacheflush" \
: /* no outputs */ \
: /* no inputs */ \
: "a1"); \
} }
/* Return nonzero iff E_MACHINE is compatible with the running host. */ /* Return nonzero iff E_MACHINE is compatible with the running host. */
@ -350,10 +353,9 @@ extern const char *_dl_platform;
static inline void __attribute__ ((unused)) static inline void __attribute__ ((unused))
dl_platform_init (void) dl_platform_init (void)
{ {
if (_dl_platform == NULL) if (_dl_platform != NULL && *_dl_platform == '\0')
/* We default to ARM /* Avoid an empty string which would disturb us. */
This is where processors could be distinguished arm2, arm6, sa110, etc */ _dl_platform = NULL;
_dl_platform = "ARM";
} }
static inline void static inline void