summaryrefslogtreecommitdiff
path: root/libc/sysdeps/linux/sh/bits/profil-counter.h
diff options
context:
space:
mode:
authorEric Andersen <andersen@codepoet.org>2003-09-07 04:13:12 +0000
committerEric Andersen <andersen@codepoet.org>2003-09-07 04:13:12 +0000
commitf223d1cb8220990a50896be92443839ded0fcfe4 (patch)
tree916fa3b41e940d6f0bea991502249570cf41349a /libc/sysdeps/linux/sh/bits/profil-counter.h
parentf05ef15283af3b01d508b10319acd04a301190cb (diff)
Some updates from glibc. mjn3 reports this fixes profiling
on i386, at least, so seems like a good thing.
Diffstat (limited to 'libc/sysdeps/linux/sh/bits/profil-counter.h')
-rw-r--r--libc/sysdeps/linux/sh/bits/profil-counter.h12
1 files changed, 6 insertions, 6 deletions
diff --git a/libc/sysdeps/linux/sh/bits/profil-counter.h b/libc/sysdeps/linux/sh/bits/profil-counter.h
index 44561b2a6..ae1b97828 100644
--- a/libc/sysdeps/linux/sh/bits/profil-counter.h
+++ b/libc/sysdeps/linux/sh/bits/profil-counter.h
@@ -1,5 +1,5 @@
/* Low-level statistical profiling support function. Linux/SH version.
- Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998, 2000, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -23,11 +23,11 @@ static void
profil_counter (int signo, int _a2, int _a3, int _a4, struct sigcontext sc)
{
void *pc;
- (void) signo;
- (void)_a2;
- (void)_a3;
- (void)_a4;
-
pc = (void *) sc.sc_pc;
profil_count (pc);
+
+ /* This is a hack to prevent the compiler from implementing the
+ above function call as a sibcall. The sibcall would overwrite
+ the signal context. */
+ asm volatile ("");
}