forked from openzfs/zfs
-
Notifications
You must be signed in to change notification settings - Fork 20
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
libspl: lift backtrace into a separate file
If it's going to be used directly by zdb/ztest, then it sort of doesn't make sense to carry it with the assert code. Sponsored-by: Klara, Inc. Sponsored-by: Wasabi Technology, Inc. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Rob Norris <[email protected]> Closes openzfs#16181
- Loading branch information
Showing
12 changed files
with
426 additions
and
79 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| /* | ||
| * CDDL HEADER START | ||
| * | ||
| * The contents of this file are subject to the terms of the | ||
| * Common Development and Distribution License (the "License"). | ||
| * You may not use this file except in compliance with the License. | ||
| * | ||
| * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | ||
| * or https://opensource.org/licenses/CDDL-1.0. | ||
| * See the License for the specific language governing permissions | ||
| * and limitations under the License. | ||
| * | ||
| * When distributing Covered Code, include this CDDL HEADER in each | ||
| * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | ||
| * If applicable, add the following below this CDDL HEADER, with the | ||
| * fields enclosed by brackets "[]" replaced with your own identifying | ||
| * information: Portions Copyright [yyyy] [name of copyright owner] | ||
| * | ||
| * CDDL HEADER END | ||
| */ | ||
| /* | ||
| * Copyright (c) 2024, Rob Norris <[email protected]> | ||
| * Copyright (c) 2024, Klara Inc. | ||
| */ | ||
|
|
||
| #include <sys/backtrace.h> | ||
| #include <stdio.h> | ||
|
|
||
| #if defined(HAVE_LIBUNWIND) | ||
| #define UNW_LOCAL_ONLY | ||
| #include <libunwind.h> | ||
|
|
||
| void | ||
| libspl_backtrace(void) | ||
| { | ||
| unw_context_t uc; | ||
| unw_cursor_t cp; | ||
| unw_word_t ip, off; | ||
| char funcname[128]; | ||
| #ifdef HAVE_LIBUNWIND_ELF | ||
| char objname[128]; | ||
| unw_word_t objoff; | ||
| #endif | ||
|
|
||
| fprintf(stderr, "Call trace:\n"); | ||
| unw_getcontext(&uc); | ||
| unw_init_local(&cp, &uc); | ||
| while (unw_step(&cp) > 0) { | ||
| unw_get_reg(&cp, UNW_REG_IP, &ip); | ||
| unw_get_proc_name(&cp, funcname, sizeof (funcname), &off); | ||
| #ifdef HAVE_LIBUNWIND_ELF | ||
| unw_get_elf_filename(&cp, objname, sizeof (objname), &objoff); | ||
| fprintf(stderr, " [0x%08lx] %s+0x%2lx (in %s +0x%2lx)\n", | ||
| ip, funcname, off, objname, objoff); | ||
| #else | ||
| fprintf(stderr, " [0x%08lx] %s+0x%2lx\n", ip, funcname, off); | ||
| #endif | ||
| } | ||
| } | ||
| #elif defined(HAVE_BACKTRACE) | ||
| #include <execinfo.h> | ||
|
|
||
| void | ||
| libspl_backtrace(void) | ||
| { | ||
| void *btptrs[100]; | ||
| size_t nptrs = backtrace(btptrs, 100); | ||
| char **bt = backtrace_symbols(btptrs, nptrs); | ||
| fprintf(stderr, "Call trace:\n"); | ||
| for (size_t i = 0; i < nptrs; i++) | ||
| fprintf(stderr, " %s\n", bt[i]); | ||
| free(bt); | ||
| } | ||
| #else | ||
| void | ||
| libspl_backtrace(void) | ||
| { | ||
| } | ||
| #endif | ||
|
|
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.