Merge pull request #232 from G10h4ck/master

print_stacktrace is OS specific
This commit is contained in:
Cyril Soler 2015-12-31 19:42:50 -05:00
commit d24ff5a4d1

View File

@ -1,10 +1,32 @@
// stacktrace.h (c) 2008, Timo Bingmann from http://idlebox.net/
// published under the WTFPL v2.0
/*
* stacktrace.h
*
* Copyright (C) 2016 Gioacchino Mazzurco <gio@eigenlab.org>
* Copyright (C) 2008 Timo Bingmann http://idlebox.net/
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License Version 2 as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*
*/
#ifndef _STACKTRACE_H_
#define _STACKTRACE_H_
#include <stdio.h>
#ifndef WINDOWS_SYS
#include <stdlib.h>
#include <execinfo.h>
#include <cxxabi.h>
@ -20,7 +42,8 @@ static inline void print_stacktrace(FILE *out = stderr, unsigned int max_frames
// retrieve current stack addresses
int addrlen = backtrace(addrlist, sizeof(addrlist) / sizeof(void*));
if (addrlen == 0) {
if (addrlen == 0)
{
fprintf(out, " <empty, possibly corrupt>\n");
return;
}
@ -43,18 +66,16 @@ static inline void print_stacktrace(FILE *out = stderr, unsigned int max_frames
// ./module(function+0x15c) [0x8048a6d]
for (char *p = symbollist[i]; *p; ++p)
{
if (*p == '(')
begin_name = p;
else if (*p == '+')
begin_offset = p;
else if (*p == ')' && begin_offset) {
if (*p == '(') begin_name = p;
else if (*p == '+') begin_offset = p;
else if (*p == ')' && begin_offset)
{
end_offset = p;
break;
}
}
if (begin_name && begin_offset && end_offset
&& begin_name < begin_offset)
if (begin_name && begin_offset && end_offset && begin_name < begin_offset)
{
*begin_name++ = '\0';
*begin_offset++ = '\0';
@ -65,18 +86,17 @@ static inline void print_stacktrace(FILE *out = stderr, unsigned int max_frames
// __cxa_demangle():
int status;
char* ret = abi::__cxa_demangle(begin_name,
funcname, &funcnamesize, &status);
if (status == 0) {
char* ret = abi::__cxa_demangle(begin_name, funcname, &funcnamesize, &status);
if (status == 0)
{
funcname = ret; // use possibly realloc()-ed string
fprintf(out, " %s : %s+%s\n",
symbollist[i], funcname, begin_offset);
fprintf(out, " %s : %s+%s\n", symbollist[i], funcname, begin_offset);
}
else {
else
{
// demangling failed. Output function name as a C function with
// no arguments.
fprintf(out, " %s : %s()+%s\n",
symbollist[i], begin_name, begin_offset);
fprintf(out, " %s : %s()+%s\n", symbollist[i], begin_name, begin_offset);
}
}
else
@ -90,4 +110,13 @@ static inline void print_stacktrace(FILE *out = stderr, unsigned int max_frames
free(symbollist);
}
#else // WINDOWS_SYS
static inline void print_stacktrace(FILE *out = stderr, unsigned int max_frames = 63)
{
(void) max_frames;
fprintf(out, "TODO: 2016/01/01 print_stacktrace not implemented yet for WINDOWS_SYS\n");
}
#endif // WINDOWS_SYS
#endif // _STACKTRACE_H_