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added stacktrace print on segmentation fault
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| /** | ||
| * \file stacktrace.cpp | ||
| * \brief Stack trace functions source file | ||
| * \author Jiri Havranek <[email protected]> | ||
| * \date 2021 | ||
| */ | ||
| /* | ||
| * Copyright (C) 2021 CESNET | ||
| * | ||
| * LICENSE TERMS | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions | ||
| * are met: | ||
| * 1. Redistributions of source code must retain the above copyright | ||
| * notice, this list of conditions and the following disclaimer. | ||
| * 2. Redistributions in binary form must reproduce the above copyright | ||
| * notice, this list of conditions and the following disclaimer in | ||
| * the documentation and/or other materials provided with the | ||
| * distribution. | ||
| * 3. Neither the name of the Company nor the names of its contributors | ||
| * may be used to endorse or promote products derived from this | ||
| * software without specific prior written permission. | ||
| * | ||
| * ALTERNATIVELY, provided that this notice is retained in full, this | ||
| * product may be distributed under the terms of the GNU General Public | ||
| * License (GPL) version 2 or later, in which case the provisions | ||
| * of the GPL apply INSTEAD OF those given above. | ||
| * | ||
| * This software is provided ``as is'', and any express or implied | ||
| * warranties, including, but not limited to, the implied warranties of | ||
| * merchantability and fitness for a particular purpose are disclaimed. | ||
| * In no event shall the company or contributors be liable for any | ||
| * direct, indirect, incidental, special, exemplary, or consequential | ||
| * damages (including, but not limited to, procurement of substitute | ||
| * goods or services; loss of use, data, or profits; or business | ||
| * interruption) however caused and on any theory of liability, whether | ||
| * in contract, strict liability, or tort (including negligence or | ||
| * otherwise) arising in any way out of the use of this software, even | ||
| * if advised of the possibility of such damage. | ||
| * | ||
| */ | ||
|
|
||
| #include <config.h> | ||
| #include <cxxabi.h> | ||
| #include <cstdio> | ||
| #include <cstdlib> | ||
| #include <string.h> | ||
| #include <unistd.h> | ||
| #include <sys/types.h> | ||
| #include <sys/syscall.h> | ||
|
|
||
| #define UNW_LOCAL_ONLY | ||
| #include <libunwind.h> | ||
|
|
||
| #include "stacktrace.h" | ||
|
|
||
| void stacktrace_print(int sig) | ||
| { | ||
| int framenum = 0; | ||
| unw_context_t ctx; | ||
| unw_cursor_t cursor; | ||
|
|
||
| unw_getcontext(&ctx); | ||
| unw_init_local(&cursor, &ctx); | ||
|
|
||
| fprintf(stderr, "stacktrace dump of %s %s\n", PACKAGE_NAME, PACKAGE_VERSION); | ||
| #ifdef SYS_gettid | ||
| fprintf(stderr, "pid: %d uid: %d\n", getpid(), getuid()); | ||
| #else | ||
| fprintf(stderr, "pid: %d tid: %d uid: %d\n", getpid(), gettid(), getuid()); | ||
| #endif | ||
| fprintf(stderr, "received signal: %d\n", sig); | ||
|
|
||
| while (unw_step(&cursor) > 0) { | ||
| unw_word_t offset; | ||
| unw_word_t pc; | ||
| unw_word_t sp; | ||
| if (unw_get_reg(&cursor, UNW_REG_IP, &pc) == 0) { | ||
| if (pc == 0) { | ||
| break; | ||
| } | ||
| fprintf(stderr, "#%-3d %#016lx", framenum, pc); | ||
| } else { | ||
| fprintf(stderr, "#%-3d ???", framenum); | ||
| } | ||
| if (unw_get_reg(&cursor, UNW_REG_SP, &sp) == 0) { | ||
| fprintf(stderr, " %#016lx", sp); | ||
| } else { | ||
| fprintf(stderr, " ???"); | ||
| } | ||
|
|
||
| framenum++; | ||
| printf(":"); | ||
|
|
||
| char sym[256]; | ||
| if (unw_get_proc_name(&cursor, sym, sizeof(sym), &offset) == 0) { | ||
| int status; | ||
| char *nameptr = sym; | ||
| char *demangled = abi::__cxa_demangle(sym, nullptr, nullptr, &status); | ||
| if (status == 0) { | ||
| nameptr = demangled; | ||
| } | ||
| fprintf(stderr, " %s+%#lx", nameptr, offset); | ||
| if (unw_is_signal_frame(&cursor)) { | ||
| fprintf(stderr, " <-"); | ||
| } | ||
| fprintf(stderr, "\n"); | ||
| free(demangled); | ||
| } else { | ||
| fprintf(stderr, " ???\n"); | ||
| } | ||
| } | ||
| } | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| /** | ||
| * \file stacktrace.h | ||
| * \brief Stack trace functions header file | ||
| * \author Jiri Havranek <[email protected]> | ||
| * \date 2021 | ||
| */ | ||
| /* | ||
| * Copyright (C) 2021 CESNET | ||
| * | ||
| * LICENSE TERMS | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions | ||
| * are met: | ||
| * 1. Redistributions of source code must retain the above copyright | ||
| * notice, this list of conditions and the following disclaimer. | ||
| * 2. Redistributions in binary form must reproduce the above copyright | ||
| * notice, this list of conditions and the following disclaimer in | ||
| * the documentation and/or other materials provided with the | ||
| * distribution. | ||
| * 3. Neither the name of the Company nor the names of its contributors | ||
| * may be used to endorse or promote products derived from this | ||
| * software without specific prior written permission. | ||
| * | ||
| * ALTERNATIVELY, provided that this notice is retained in full, this | ||
| * product may be distributed under the terms of the GNU General Public | ||
| * License (GPL) version 2 or later, in which case the provisions | ||
| * of the GPL apply INSTEAD OF those given above. | ||
| * | ||
| * This software is provided ``as is'', and any express or implied | ||
| * warranties, including, but not limited to, the implied warranties of | ||
| * merchantability and fitness for a particular purpose are disclaimed. | ||
| * In no event shall the company or contributors be liable for any | ||
| * direct, indirect, incidental, special, exemplary, or consequential | ||
| * damages (including, but not limited to, procurement of substitute | ||
| * goods or services; loss of use, data, or profits; or business | ||
| * interruption) however caused and on any theory of liability, whether | ||
| * in contract, strict liability, or tort (including negligence or | ||
| * otherwise) arising in any way out of the use of this software, even | ||
| * if advised of the possibility of such damage. | ||
| * | ||
| */ | ||
|
|
||
| #ifndef STACKTRACE_H | ||
| #define STACKTRACE_H | ||
|
|
||
| void stacktrace_print(int sig); | ||
|
|
||
| #endif /* STACKTRACE_H */ |