mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
98 lines
2.3 KiB
C++
98 lines
2.3 KiB
C++
#include <stdio.h>
|
|
|
|
#include "google_breakpad/processor/minidump.h"
|
|
#include "nscore.h"
|
|
|
|
using namespace google_breakpad;
|
|
|
|
// Return true if the specified minidump contains a stream of |stream_type|.
|
|
extern "C"
|
|
NS_EXPORT bool
|
|
DumpHasStream(const char* dump_file, uint32_t stream_type)
|
|
{
|
|
Minidump dump(dump_file);
|
|
if (!dump.Read())
|
|
return false;
|
|
|
|
uint32_t length;
|
|
if (!dump.SeekToStreamType(stream_type, &length) || length == 0)
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
// Return true if the specified minidump contains a memory region
|
|
// that contains the instruction pointer from the exception record.
|
|
extern "C"
|
|
NS_EXPORT bool
|
|
DumpHasInstructionPointerMemory(const char* dump_file)
|
|
{
|
|
Minidump minidump(dump_file);
|
|
if (!minidump.Read())
|
|
return false;
|
|
|
|
MinidumpException* exception = minidump.GetException();
|
|
MinidumpMemoryList* memory_list = minidump.GetMemoryList();
|
|
if (!exception || !memory_list) {
|
|
return false;
|
|
}
|
|
|
|
MinidumpContext* context = exception->GetContext();
|
|
if (!context)
|
|
return false;
|
|
|
|
uint64_t instruction_pointer;
|
|
if (!context->GetInstructionPointer(&instruction_pointer)) {
|
|
return false;
|
|
}
|
|
|
|
MinidumpMemoryRegion* region =
|
|
memory_list->GetMemoryRegionForAddress(instruction_pointer);
|
|
return region != nullptr;
|
|
}
|
|
|
|
// This function tests for a very specific condition. It finds
|
|
// an address in a file, "crash-addr", in the CWD. It checks
|
|
// that the minidump has a memory region starting at that
|
|
// address. The region must be 32 bytes long and contain the
|
|
// values 0 to 31 as bytes, in ascending order.
|
|
extern "C"
|
|
NS_EXPORT bool
|
|
DumpCheckMemory(const char* dump_file)
|
|
{
|
|
Minidump dump(dump_file);
|
|
if (!dump.Read())
|
|
return false;
|
|
|
|
MinidumpMemoryList* memory_list = dump.GetMemoryList();
|
|
if (!memory_list) {
|
|
return false;
|
|
}
|
|
|
|
void *addr;
|
|
FILE *fp = fopen("crash-addr", "r");
|
|
if (!fp)
|
|
return false;
|
|
if (fscanf(fp, "%p", &addr) != 1)
|
|
return false;
|
|
fclose(fp);
|
|
|
|
remove("crash-addr");
|
|
|
|
MinidumpMemoryRegion* region =
|
|
memory_list->GetMemoryRegionForAddress(uint64_t(addr));
|
|
if(!region)
|
|
return false;
|
|
|
|
const uint8_t* chars = region->GetMemory();
|
|
if (region->GetSize() != 32)
|
|
return false;
|
|
|
|
for (int i=0; i<32; i++) {
|
|
if (chars[i] != i)
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|