#include "trace_file.hpp"
#include "trace_writer_local.hpp"
#include "trace_format.hpp"
+#include "os_backtrace.hpp"
namespace trace {
LocalWriter::LocalWriter() :
acquired(0)
{
+ os::log("apitrace: loaded\n");
+
// Install the signal handlers as early as possible, to prevent
// interfering with the application's signal handling.
os::setExceptionCallback(exceptionCallback);
}
}
-unsigned LocalWriter::beginEnter(const FunctionSig *sig) {
+unsigned LocalWriter::beginEnter(const FunctionSig *sig, bool fake) {
mutex.lock();
++acquired;
assert(this_thread_num);
unsigned thread_id = this_thread_num - 1;
- return Writer::beginEnter(sig, thread_id);
+ unsigned call_no = Writer::beginEnter(sig, thread_id);
+ if (!fake && os::backtrace_is_needed(sig->name)) {
+ std::vector<RawStackFrame> backtrace = os::get_backtrace();
+ beginBacktrace(backtrace.size());
+ for (unsigned i = 0; i < backtrace.size(); ++i) {
+ writeStackFrame(&backtrace[i]);
+ }
+ endBacktrace();
+ }
+ return call_no;
}
void LocalWriter::endEnter(void) {