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Core: GCC Stack trace

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git-svn-id: svn://ultimatepp.org/upp/trunk@6028 f0d560ea-af0d-0410-9eb7-867de7ffcac7
This commit is contained in:
cxl 2013-05-03 16:40:37 +00:00
parent 43de39840a
commit 2af64e88bb
1 changed files with 56 additions and 0 deletions
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56
uppsrc/Core/Util.cpp
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@ -4,6 +4,11 @@
# include <winnls.h>
#endif
#if defined(PLATFORM_POSIX) && defined(COMPILER_GCC)
# include <execinfo.h>
# include <cxxabi.h>
#endif
NAMESPACE_UPP
bool PanicMode;
@ -32,6 +37,53 @@ void PanicMessageBox(const char *title, const char *text)
}
}
#if defined(PLATFORM_POSIX) && defined(COMPILER_GCC)
void AddStackTrace(char * str, int len)
{
const size_t max_depth = 100;
void *stack_addrs[max_depth];
char **stack_strings;
const char msg[] = "\nStack trace:\n";
size_t stack_depth = backtrace(stack_addrs, max_depth);
stack_strings = backtrace_symbols(stack_addrs, stack_depth);
int space = len - strlen(str);
strncat(str, msg, max(space, 0));
space -= sizeof(msg) - 1;
for (size_t i = 0; i < stack_depth && space > 0; i++) {
char * start = strchr(stack_strings[i], '(');
if (start == NULL) continue;
size_t len;
int stat;
char * end = strchr(start, '+');
if (end != NULL) *end = '\0';
char * demangled = abi::__cxa_demangle(start+1, NULL, &len, &stat);
if (stat == 0 && demangled != NULL){
strncat(str, demangled, max(space, 0));
space -= len;
}else{
strncat(str, start, max(space, 0));
space -= strlen(start);
}
if (demangled != NULL) free(demangled);
strncat(str, "\n", max(space, 0));
space -= 1;
}
free(stack_strings);
}
#endif
void Panic(const char *msg)
{
#ifdef PLATFORM_POSIX
@ -83,6 +135,10 @@ void AssertFailed(const char *file, int line, const char *cond)
PanicMode = true;
char s[2048];
sprintf(s, "Assertion failed in %s, line %d\n%s\n", file, line, cond);
#if defined(PLATFORM_POSIX) && defined(COMPILER_GCC)
AddStackTrace(s, sizeof(s));
#endif
if(s_assert_hook)
(*s_assert_hook)(s);
RLOG("****************** ASSERT FAILED: " << s << "\n");