From: Julian Seward <jseward@acm.org>
Date: Mon, 26 Sep 2011 20:16:15 +0000 (+0000)
Subject: Pretty up the debugging hack that allows printing of stack traces
X-Git-Tag: svn/VALGRIND_3_7_0~186
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=efc3e2cef5876a4583a999094786d89d9ca5e994;p=thirdparty%2Fvalgrind.git

Pretty up the debugging hack that allows printing of stack traces
for selected syscalls.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12051
---

diff --git a/coregrind/m_syswrap/syswrap-main.c b/coregrind/m_syswrap/syswrap-main.c
index 0daa6dd1dc..78ccef0f1b 100644
--- a/coregrind/m_syswrap/syswrap-main.c
+++ b/coregrind/m_syswrap/syswrap-main.c
@@ -1307,9 +1307,10 @@ void VG_(client_syscall) ( ThreadId tid, UInt trc )
 
    /* It's sometimes useful, as a crude debugging hack, to get a
       stack trace at each (or selected) syscalls. */
-   if (0 /* sysno == __NR_mmap */) {
-      VG_(umsg)("\n");
+   if (0 && sysno == __NR_ioctl) {
+      VG_(umsg)("\nioctl:\n");
       VG_(get_and_pp_StackTrace)(tid, 10);
+      VG_(umsg)("\n");
    }
 
 #  if defined(VGO_darwin)