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S/390: Get rid of warning: the comparision will always evaluate as false.

This commit is contained in:
Stefan Liebler 2014-11-13 10:42:31 +01:00 committed by Andreas Krebbel
parent c6aab2cb52
commit 618cebeff8
3 changed files with 22 additions and 11 deletions
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9
ChangeLog
View File

@ -1,3 +1,12 @@
2014-11-13 Stefan Liebler <stli@linux.vnet.ibm.com>
* sysdeps/s390/s390-32/backtrace.c (__backtrace):
Check for unwind_backtrace == NULL only in SHARED case.
(__backchain_backtrace): Compile only in SHARED case.
* sysdeps/s390/s390-64/backtrace.c (__backtrace):
Likewise.
(__backchain_backtrace): Declare as static.
2014-11-12 Roland McGrath <roland@hack.frob.com>
* nptl/createthread.c [!TLS_MULTIPLE_THREADS_IN_TCB]

11
sysdeps/s390/s390-32/backtrace.c
View File

@ -77,10 +77,6 @@ init (void)
if (unwind_getip == NULL)
unwind_backtrace = NULL;
}
#else
# define unwind_backtrace _Unwind_Backtrace
# define unwind_getip _Unwind_GetIP
#endif
static int
__backchain_backtrace (void **array, int size)
@ -107,6 +103,10 @@ __backchain_backtrace (void **array, int size)
return cnt;
}
#else
# define unwind_backtrace _Unwind_Backtrace
# define unwind_getip _Unwind_GetIP
#endif
static _Unwind_Reason_Code
backtrace_helper (struct _Unwind_Context *ctx, void *a)
@ -130,9 +130,10 @@ __backtrace (void **array, int size)
__libc_once_define (static, once);
__libc_once (once, init);
#endif
if (unwind_backtrace == NULL)
return __backchain_backtrace (array, size);
#endif
if (size >= 1)
unwind_backtrace (backtrace_helper, &arg);

13
sysdeps/s390/s390-64/backtrace.c
View File

@ -76,12 +76,8 @@ init (void)
if (unwind_getip == NULL)
unwind_backtrace = NULL;
}
#else
# define unwind_backtrace _Unwind_Backtrace
# define unwind_getip _Unwind_GetIP
#endif
int
static int
__backchain_backtrace (void **array, int size)
{
/* We assume that all the code is generated with frame pointers set. */
@ -106,6 +102,10 @@ __backchain_backtrace (void **array, int size)
return cnt;
}
#else
# define unwind_backtrace _Unwind_Backtrace
# define unwind_getip _Unwind_GetIP
#endif
static _Unwind_Reason_Code
backtrace_helper (struct _Unwind_Context *ctx, void *a)
@ -129,9 +129,10 @@ __backtrace (void **array, int size)
__libc_once_define (static, once);
__libc_once (once, init);
#endif
if (unwind_backtrace == NULL)
return __backchain_backtrace (array, size);
#endif
if (size >= 1)
unwind_backtrace (backtrace_helper, &arg);