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authorwilson <wilson@138bc75d-0d04-0410-961f-82ee72b054a4>2005-09-30 01:50:56 +0000
committerwilson <wilson@138bc75d-0d04-0410-961f-82ee72b054a4>2005-09-30 01:50:56 +0000
commitacf503a40b378589b5a392d17c79ec407f46c7bf (patch)
tree8d02f9898ce0920655f3aae6c66e18d99fa69af9 /libmudflap
parent55c72ac40c648560636fa26fd2326d16a5c6bd5d (diff)
downloadgcc-acf503a40b378589b5a392d17c79ec407f46c7bf.tar.gz
We can only wrap mmap if it exists.
* mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect with HAVE_MMAP ifdef. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@104810 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libmudflap')
-rw-r--r--libmudflap/ChangeLog5
-rw-r--r--libmudflap/mf-hooks1.c5
2 files changed, 10 insertions, 0 deletions
diff --git a/libmudflap/ChangeLog b/libmudflap/ChangeLog
index 12735cb90f4..6c3d219bfcf 100644
--- a/libmudflap/ChangeLog
+++ b/libmudflap/ChangeLog
@@ -1,3 +1,8 @@
+2005-09-29 James E. Wilson <wilson@specifix.com>
+
+ * mf-hooks1.c (__mf_0fn_mmap, mmap, __mf_0fn_munmap, munmap): Protect
+ with HAVE_MMAP ifdef.
+
2005-09-23 Frank Ch. Eigler <fche@elastic.org>
PR 23084.
diff --git a/libmudflap/mf-hooks1.c b/libmudflap/mf-hooks1.c
index a99d7726e9d..bef22687f19 100644
--- a/libmudflap/mf-hooks1.c
+++ b/libmudflap/mf-hooks1.c
@@ -302,6 +302,10 @@ WRAPPER(void, free, void *buf)
}
+/* We can only wrap mmap if the target supports it. Likewise for munmap.
+ We assume we have both if we have mmap. */
+#ifdef HAVE_MMAP
+
#if PIC
/* A special bootstrap variant. */
void *
@@ -392,6 +396,7 @@ WRAPPER(int , munmap, void *start, size_t length)
}
return result;
}
+#endif /* HAVE_MMAP */
/* This wrapper is a little different, as it's called indirectly from