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comparison: toolkit/crashreporter/test/dumputils.cpp
toolkit/crashreporter/test/dumputils.cpp
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:8b4b6e876da2 |
|---|---|
| 1 #include <stdio.h> | |
| 2 | |
| 3 #include "google_breakpad/processor/minidump.h" | |
| 4 #include "nscore.h" | |
| 5 | |
| 6 using namespace google_breakpad; | |
| 7 | |
| 8 // Return true if the specified minidump contains a stream of |stream_type|. | |
| 9 extern "C" | |
| 10 NS_EXPORT bool | |
| 11 DumpHasStream(const char* dump_file, uint32_t stream_type) | |
| 12 { | |
| 13 Minidump dump(dump_file); | |
| 14 if (!dump.Read()) | |
| 15 return false; | |
| 16 | |
| 17 uint32_t length; | |
| 18 if (!dump.SeekToStreamType(stream_type, &length) || length == 0) | |
| 19 return false; | |
| 20 | |
| 21 return true; | |
| 22 } | |
| 23 | |
| 24 // Return true if the specified minidump contains a memory region | |
| 25 // that contains the instruction pointer from the exception record. | |
| 26 extern "C" | |
| 27 NS_EXPORT bool | |
| 28 DumpHasInstructionPointerMemory(const char* dump_file) | |
| 29 { | |
| 30 Minidump minidump(dump_file); | |
| 31 if (!minidump.Read()) | |
| 32 return false; | |
| 33 | |
| 34 MinidumpException* exception = minidump.GetException(); | |
| 35 MinidumpMemoryList* memory_list = minidump.GetMemoryList(); | |
| 36 if (!exception || !memory_list) { | |
| 37 return false; | |
| 38 } | |
| 39 | |
| 40 MinidumpContext* context = exception->GetContext(); | |
| 41 if (!context) | |
| 42 return false; | |
| 43 | |
| 44 uint64_t instruction_pointer; | |
| 45 if (!context->GetInstructionPointer(&instruction_pointer)) { | |
| 46 return false; | |
| 47 } | |
| 48 | |
| 49 MinidumpMemoryRegion* region = | |
| 50 memory_list->GetMemoryRegionForAddress(instruction_pointer); | |
| 51 return region != nullptr; | |
| 52 } | |
| 53 | |
| 54 // This function tests for a very specific condition. It finds | |
| 55 // an address in a file, "crash-addr", in the CWD. It checks | |
| 56 // that the minidump has a memory region starting at that | |
| 57 // address. The region must be 32 bytes long and contain the | |
| 58 // values 0 to 31 as bytes, in ascending order. | |
| 59 extern "C" | |
| 60 NS_EXPORT bool | |
| 61 DumpCheckMemory(const char* dump_file) | |
| 62 { | |
| 63 Minidump dump(dump_file); | |
| 64 if (!dump.Read()) | |
| 65 return false; | |
| 66 | |
| 67 MinidumpMemoryList* memory_list = dump.GetMemoryList(); | |
| 68 if (!memory_list) { | |
| 69 return false; | |
| 70 } | |
| 71 | |
| 72 void *addr; | |
| 73 FILE *fp = fopen("crash-addr", "r"); | |
| 74 if (!fp) | |
| 75 return false; | |
| 76 if (fscanf(fp, "%p", &addr) != 1) | |
| 77 return false; | |
| 78 fclose(fp); | |
| 79 | |
| 80 remove("crash-addr"); | |
| 81 | |
| 82 MinidumpMemoryRegion* region = | |
| 83 memory_list->GetMemoryRegionForAddress(uint64_t(addr)); | |
| 84 if(!region) | |
| 85 return false; | |
| 86 | |
| 87 const uint8_t* chars = region->GetMemory(); | |
| 88 if (region->GetSize() != 32) | |
| 89 return false; | |
| 90 | |
| 91 for (int i=0; i<32; i++) { | |
| 92 if (chars[i] != i) | |
| 93 return false; | |
| 94 } | |
| 95 | |
| 96 return true; | |
| 97 } |
