xorg-x11-server/xserver-1.6.99-linkmap.patch

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From edf055d2733a0e012dfd97daf1906c407c47ff88 Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@redhat.com>
Date: Thu, 23 Jul 2009 14:43:30 -0400
Subject: [PATCH] dix: Print load map on backtrace
---
os/backtrace.c | 16 ++++++++++++++++
1 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/os/backtrace.c b/os/backtrace.c
index 3cfae3e..af67301 100644
--- a/os/backtrace.c
+++ b/os/backtrace.c
@@ -30,18 +30,34 @@
#ifdef HAVE_BACKTRACE
#include <execinfo.h>
+#include <dlfcn.h>
+#include <link.h>
void xorg_backtrace(void)
{
void *array[32]; /* deeper nesting than this means something's wrong */
int size, i;
char **strings;
+ struct link_map *lm;
+ void *self;
+
ErrorF("\nBacktrace:\n");
size = backtrace(array, 32);
strings = backtrace_symbols(array, size);
for (i = 0; i < size; i++)
ErrorF("%d: %s\n", i, strings[i]);
free(strings);
+
+ self = dlopen(NULL, RTLD_LAZY);
+ dlinfo(self, RTLD_DI_LINKMAP, &lm);
+
+ ErrorF("\nLink map:\n");
+ while (lm) {
+ if (lm->l_addr)
+ ErrorF("%p: %s\n", (void *)lm->l_addr,
+ lm->l_name[0] ? lm->l_name : "(vdso)");
+ lm = lm->l_next;
+ }
}
#else /* not glibc or glibc < 2.1 */
--
1.6.3.3