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pass51-frag.c (MAP_FAILED): Define, if not in system header; use it.

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2009-09-01  Loren J. Rittle  <ljrittle@acm.org>
	    Andreas Schwab  <schwab@linux-m68k.org>

	* testsuite/libmudflap.c/pass51-frag.c (MAP_FAILED): Define,
	if not in system header; use it.  On FreeBSD, must pass fd==-1
	with MAP_ANON flag.  Correct mmap error check.
	* testsuite/libmudflap.c/fail40-frag.c: Ditto.

Co-Authored-By: Andreas Schwab <schwab@linux-m68k.org>

From-SVN: r151277
This commit is contained in:
Loren J. Rittle 2009-09-01 18:10:39 +00:00 committed by Loren J. Rittle
parent cd6ea7a2df
commit ab4daaf234
3 changed files with 18 additions and 4 deletions
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8
libmudflap/ChangeLog
View File

@ -1,3 +1,11 @@
2009-09-01 Loren J. Rittle <ljrittle@acm.org>
Andreas Schwab <schwab@linux-m68k.org>
* testsuite/libmudflap.c/pass51-frag.c (MAP_FAILED): Define,
if not in system header; use it. On FreeBSD, must pass fd==-1
with MAP_ANON flag. Correct mmap error check.
* testsuite/libmudflap.c/fail40-frag.c: Ditto.
2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* configure.ac (AC_PREREQ): Bump to 2.64.

7
libmudflap/testsuite/libmudflap.c/fail40-frag.c
View File

@ -14,6 +14,9 @@ int main ()
#ifndef MAP_ANONYMOUS
#define MAP_ANONYMOUS MAP_ANON
#endif
#ifndef MAP_FAILED
#define MAP_FAILED ((void *)-1)
#endif
#ifdef HAVE_MMAP
volatile unsigned char *p;
unsigned num = getpagesize ();
@ -23,8 +26,8 @@ int main ()
/* Get a bit of usable address space. We really want an 2**N+1-sized object,
so the low/high addresses wrap when hashed into the lookup cache. So we
will manually unregister the entire mmap, then re-register a slice. */
p = mmap (NULL, num, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0);
if (p == NULL)
p = mmap (NULL, num, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
if (p == MAP_FAILED)
return 1;
/* Now unregister it, as if munmap was called. But don't actually munmap, so
we can write into the memory. */

7
libmudflap/testsuite/libmudflap.c/pass51-frag.c
View File

@ -13,14 +13,17 @@ int main ()
#ifndef MAP_ANONYMOUS
#define MAP_ANONYMOUS MAP_ANON
#endif
#ifndef MAP_FAILED
#define MAP_FAILED ((void *)-1)
#endif
#ifdef HAVE_MMAP
void *p;
unsigned pg = getpagesize ();
int rc;
p = mmap (NULL, 4 * pg, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_ANONYMOUS, 0, 0);
if (p == NULL)
MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
if (p == MAP_FAILED)
return 1;
memset (p, 0, 4*pg);