From e7b451941b92e2bdbb9c08bb4283c9a39d5571c6 Mon Sep 17 00:00:00 2001
From: Rob Norris <rob.norris@klarasystems.com>
Date: Fri, 10 May 2024 10:19:48 +1000
Subject: zdb/ztest: use libspl backtrace for crashes

We can show much nicer backtraces these days, lets use them.

Sponsored-by: Klara, Inc.
Sponsored-by: Wasabi Technology, Inc.
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rob Norris <rob.norris@klarasystems.com>
Closes #16181
---
 cmd/zdb/zdb.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

(limited to 'cmd/zdb')

diff --git a/cmd/zdb/zdb.c b/cmd/zdb/zdb.c
index f3274a65d..908e4e0ab 100644
--- a/cmd/zdb/zdb.c
+++ b/cmd/zdb/zdb.c
@@ -85,9 +85,6 @@
 #include <sys/brt_impl.h>
 #include <zfs_comutil.h>
 #include <sys/zstd/zstd.h>
-#if (__GLIBC__ && !__UCLIBC__)
-#include <execinfo.h> /* for backtrace() */
-#endif
 
 #include <libnvpair.h>
 #include <libzutil.h>
@@ -843,18 +840,11 @@ dump_debug_buffer(void)
 	zfs_dbgmsg_print("zdb");
 }
 
-#define	BACKTRACE_SZ	100
-
 static void sig_handler(int signo)
 {
 	struct sigaction action;
-#if (__GLIBC__ && !__UCLIBC__) /* backtrace() is a GNU extension */
-	int nptrs;
-	void *buffer[BACKTRACE_SZ];
 
-	nptrs = backtrace(buffer, BACKTRACE_SZ);
-	backtrace_symbols_fd(buffer, nptrs, STDERR_FILENO);
-#endif
+	libspl_dump_backtrace();
 	dump_debug_buffer();
 
 	/*
-- 
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