mirror of
https://github.com/qbittorrent/qBittorrent.git
synced 2025-01-05 06:37:26 +03:00
ff9a281b72
Change project directory structure according to application structure. Change 'nox' configuration option to something more meaningful 'nogui'. Rename 'Icons' folder to 'icons' (similar to other folders). Partially add 'nowebui' option support. Remove QConf project file.
94 lines
2.6 KiB
C
94 lines
2.6 KiB
C
// stacktrace.h (c) 2008, Timo Bingmann from http://idlebox.net/
|
|
// published under the WTFPL v2.0
|
|
|
|
#ifndef _STACKTRACE_H_
|
|
#define _STACKTRACE_H_
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <execinfo.h>
|
|
#include <cxxabi.h>
|
|
|
|
/** Print a demangled stack backtrace of the caller function to FILE* out. */
|
|
static inline void print_stacktrace(FILE *out = stderr, unsigned int max_frames = 63)
|
|
{
|
|
fprintf(out, "stack trace:\n");
|
|
|
|
// storage array for stack trace address data
|
|
void* addrlist[max_frames+1];
|
|
|
|
// retrieve current stack addresses
|
|
int addrlen = backtrace(addrlist, sizeof(addrlist) / sizeof(void*));
|
|
|
|
if (addrlen == 0) {
|
|
fprintf(out, " <empty, possibly corrupt>\n");
|
|
return;
|
|
}
|
|
|
|
// resolve addresses into strings containing "filename(function+address)",
|
|
// this array must be free()-ed
|
|
char** symbollist = backtrace_symbols(addrlist, addrlen);
|
|
|
|
// allocate string which will be filled with the demangled function name
|
|
size_t funcnamesize = 256;
|
|
char* funcname = (char*)malloc(funcnamesize);
|
|
|
|
// iterate over the returned symbol lines. skip the first, it is the
|
|
// address of this function.
|
|
for (int i = 2; i < addrlen; i++)
|
|
{
|
|
char *begin_name = 0, *begin_offset = 0, *end_offset = 0;
|
|
|
|
// find parentheses and +address offset surrounding the mangled name:
|
|
// ./module(function+0x15c) [0x8048a6d]
|
|
//fprintf(out, "%s TT\n", symbollist[i]);
|
|
for (char *p = symbollist[i]; *p; ++p)
|
|
{
|
|
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)
|
|
{
|
|
*begin_name++ = '\0';
|
|
*begin_offset++ = '\0';
|
|
*end_offset = '\0';
|
|
|
|
// mangled name is now in [begin_name, begin_offset) and caller
|
|
// offset in [begin_offset, end_offset). now apply
|
|
// __cxa_demangle():
|
|
|
|
int status;
|
|
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 %s\n",
|
|
symbollist[i], funcname, begin_offset, ++end_offset);
|
|
}
|
|
else {
|
|
// demangling failed. Output function name as a C function with
|
|
// no arguments.
|
|
fprintf(out, " %s : %s()+%s %s\n",
|
|
symbollist[i], begin_name, begin_offset, ++end_offset);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// couldn't parse the line? print the whole line.
|
|
fprintf(out, " %s\n", symbollist[i]);
|
|
}
|
|
}
|
|
|
|
free(funcname);
|
|
free(symbollist);
|
|
}
|
|
|
|
#endif // _STACKTRACE_H_
|