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demangle names of call stack, thx to JM for the <cxxabi.h> tip

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@38473 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Peter Kümmel 2011-04-21 20:07:08 +00:00
parent 6c9bacc541
commit 56712287a6
1 changed files with 22 additions and 1 deletions
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23
src/support/debug.cpp
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@ -28,6 +28,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <execinfo.h>
#include <cxxabi.h>
#endif
@ -265,7 +266,27 @@ void Debug::printCallStack()
char** messages = backtrace_symbols(array, size);
for (size_t i = 0; i < size && messages != NULL; i++) {
fprintf(stderr, "[LyX's bt]: (%d) %s\n", i, messages[i]);
std::string orig(messages[i]);
// extract mangled: bin/lyx2.0(_ZN3lyx7support7packageEv+0x32) [0x8a2e02b]
char* mangled = 0;
for (char *p = messages[i]; *p; ++p) {
if (*p == '(') {
*p = 0;
mangled = p + 1;
} else if (*p == '+') {
*p = 0;
break;
}
}
int err = 0;
char* demangled = abi::__cxa_demangle(mangled, 0, 0, &err);
if (err == 0) {
fprintf(stderr, "[bt]: (%d) %s %s\n", i, messages[i], demangled);
free((void*)demangled);
} else {
fprintf(stderr, "[bt]: (%d) %s\n", i, orig.c_str());
}
}
#endif
}