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// Copyright 2006 The Android Open Source Project
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <inttypes.h>
#include <assert.h>
#include "trace_reader.h"
#include "bitvector.h"
#include "parse_options.h"
#include "armdis.h"
typedef TraceReader<> TraceReaderType;
#include "parse_options-inl.h"
#include "callstack.h"
static uint64_t debugTime;
static uint64_t dumpTime = 0;
class MyFrame : public StackFrame<symbol_type> {
public:
void push(int stackLevel, uint64_t time, CallStackBase *base);
void pop(int stackLevel, uint64_t time, CallStackBase *base);
void getFrameType(char *type);
};
typedef CallStack<MyFrame> CallStackType;
void MyFrame::getFrameType(char *type)
{
strcpy(type, "----");
if (flags & kCausedException)
type[0] = 'e';
if (flags & kInterpreted)
type[1] = 'm';
if (function->region->flags & region_type::kIsKernelRegion)
type[2] = 'k';
if (function->flags & symbol_type::kIsVectorTable)
type[3] = 'v';
}
void MyFrame::push(int stackLevel, uint64_t time, CallStackBase *base)
{
char type[5];
if (dumpTime > 0)
return;
getFrameType(type);
printf("%llu en thr %d %s %3d", time, base->getId(), type, stackLevel);
for (int ii = 0; ii < stackLevel; ++ii)
printf(".");
printf(" 0x%08x %s\n", addr, function->name);
}
void MyFrame::pop(int stackLevel, uint64_t time, CallStackBase *base)
{
char type[5];
if (dumpTime > 0)
return;
getFrameType(type);
printf("%llu x thr %d %s %3d", time, base->getId(), type, stackLevel);
for (int ii = 0; ii < stackLevel; ++ii)
printf(".");
printf(" 0x%08x %s\n", addr, function->name);
}
static const int kNumStackFrames = 500;
static const int kMaxThreads = (32 * 1024);
CallStackType *stacks[kMaxThreads];
void Usage(const char *program)
{
fprintf(stderr, "Usage: %s [options] [-- -d dumpTime] trace_name elf_file\n",
program);
OptionsUsage();
}
bool localParseOptions(int argc, char **argv)
{
bool err = false;
while (!err) {
int opt = getopt(argc, argv, "+d:");
if (opt == -1)
break;
switch (opt) {
case 'd':
dumpTime = strtoull(optarg, NULL, 0);
break;
default:
err = true;
break;
}
}
return err;
}
int main(int argc, char **argv)
{
ParseOptions(argc, argv);
localParseOptions(argc, argv);
if (argc - optind != 2) {
Usage(argv[0]);
exit(1);
}
char *qemu_trace_file = argv[optind++];
char *elf_file = argv[optind++];
TraceReaderType *trace = new TraceReaderType;
trace->Open(qemu_trace_file);
trace->ReadKernelSymbols(elf_file);
trace->SetRoot(root);
BBEvent event;
while (1) {
BBEvent ignored;
symbol_type *function;
if (GetNextValidEvent(trace, &event, &ignored, &function))
break;
if (event.bb_num == 0)
break;
// Get the stack for the current thread
CallStackType *pStack = stacks[event.pid];
// If the stack does not exist, then allocate a new one.
if (pStack == NULL) {
pStack = new CallStackType(event.pid, kNumStackFrames, trace);
stacks[event.pid] = pStack;
}
if (debugTime != 0 && event.time >= debugTime)
printf("debug time: %lld\n", debugTime);
// Update the stack
pStack->updateStack(&event, function);
// If the user requested a stack dump at a certain time,
// and we are at that time, then dump the stack and exit.
if (dumpTime > 0 && event.time >= dumpTime) {
pStack->showStack(stdout);
break;
}
}
for (int ii = 0; ii < kMaxThreads; ++ii) {
if (stacks[ii])
stacks[ii]->popAll(event.time);
}
delete trace;
return 0;
}
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