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check crash if using gnu gcc method; refs #1

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This commit is contained in:
Marc Wäckerlin
2011-12-11 14:51:08 +00:00
parent 4a09c5748f
commit 75baa29e70
1 changed files with 18 additions and 17 deletions
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35
src/stacktrace.cxx
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@@ -88,29 +88,30 @@ namespace mrw {
//---------------------------------------------------------------------------- //----------------------------------------------------------------------------
mrw::StackTrace::StackTrace() throw(std::bad_exception) { mrw::StackTrace::StackTrace() throw(std::bad_exception) {
// maximum trace level is limited here to 50, see below why // maximum trace level is limited here to 50, see below why
# if defined(__GNUG__) # if defined(__GLIBC__)
{
# define PUSH(i) \
(__builtin_frame_address(i)!=0 ? \
(_trace.push_back(__builtin_return_address(i)), true) : false)
PUSH(0) && PUSH(1) && PUSH(2) && PUSH(3) && PUSH(4) && PUSH(5) &&
PUSH(6) && PUSH(7) && PUSH(8) && PUSH(9) && PUSH(10) && PUSH(11) &&
PUSH(12) && PUSH(13) && PUSH(14) && PUSH(15) && PUSH(16) && PUSH(17)
&& PUSH(18) && PUSH(19) && PUSH(20) && PUSH(21) && PUSH(22) &&
PUSH(23) && PUSH(24) && PUSH(25) && PUSH(26) && PUSH(27) && PUSH(28)
&& PUSH(29) && PUSH(30) && PUSH(31) && PUSH(32) && PUSH(33) &&
PUSH(34) && PUSH(35) && PUSH(36) && PUSH(37) && PUSH(38) && PUSH(39)
&& PUSH(40) && PUSH(41) && PUSH(42) && PUSH(43) && PUSH(44) &&
PUSH(45) && PUSH(46) && PUSH(47) && PUSH(48) && PUSH(49);
# undef PUSH
}
# elif defined(__GLIBC__)
{ {
const int TRACE_LEVEL(50); const int TRACE_LEVEL(50);
void* ba[TRACE_LEVEL]; void* ba[TRACE_LEVEL];
for (int n(backtrace(ba, TRACE_LEVEL)), i(0); i<n; ++i) for (int n(backtrace(ba, TRACE_LEVEL)), i(0); i<n; ++i)
_trace.push_back(ba[i]); _trace.push_back(ba[i]);
} }
// crash ...?
// # elif defined(__GNUG__)
// {
// # define PUSH(i) \
// (__builtin_frame_address(i)!=0 ? \
// (_trace.push_back(__builtin_return_address(i)), true) : false)
// PUSH(0) && PUSH(1) && PUSH(2) && PUSH(3) && PUSH(4) && PUSH(5) &&
// PUSH(6) && PUSH(7) && PUSH(8) && PUSH(9) && PUSH(10) && PUSH(11) &&
// PUSH(12) && PUSH(13) && PUSH(14) && PUSH(15) && PUSH(16) && PUSH(17)
// && PUSH(18) && PUSH(19) && PUSH(20) && PUSH(21) && PUSH(22) &&
// PUSH(23) && PUSH(24) && PUSH(25) && PUSH(26) && PUSH(27) && PUSH(28)
// && PUSH(29) && PUSH(30) && PUSH(31) && PUSH(32) && PUSH(33) &&
// PUSH(34) && PUSH(35) && PUSH(36) && PUSH(37) && PUSH(38) && PUSH(39)
// && PUSH(40) && PUSH(41) && PUSH(42) && PUSH(43) && PUSH(44) &&
// PUSH(45) && PUSH(46) && PUSH(47) && PUSH(48) && PUSH(49);
// # undef PUSH
// }
# else # else
# warning "You need GNU gcc or GNU glibc to be able to use mrw::StackTrace" # warning "You need GNU gcc or GNU glibc to be able to use mrw::StackTrace"
# endif # endif