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Allow adding extra memory regions to minidump on linux/windows

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A=Bill McCloskey <wmccloskey@mozilla.com>, ted, original patch from https://bugzilla.mozilla.org/show_bug.cgi?id=662646
R=mark at https://breakpad.appspot.com/450002/

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1041 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
ted.mielczarek@gmail.com
2012-09-18 13:54:58 +00:00
parent 3682b31cbe
commit 61d9b9ff96
10 changed files with 447 additions and 37 deletions
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99
src/client/windows/unittests/exception_handler_test.cc
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@@ -374,4 +374,103 @@ TEST_F(ExceptionHandlerTest, WriteMinidumpTest) {
//TODO(ted): more comprehensive tests...
}
// Test that an additional memory region can be included in the minidump.
TEST_F(ExceptionHandlerTest, AdditionalMemory) {
SYSTEM_INFO si;
GetSystemInfo(&si);
const u_int32_t kMemorySize = si.dwPageSize;
// Get some heap memory.
u_int8_t* memory = new u_int8_t[kMemorySize];
const uintptr_t kMemoryAddress = reinterpret_cast<uintptr_t>(memory);
ASSERT_TRUE(memory);
// Stick some data into the memory so the contents can be verified.
for (u_int32_t i = 0; i < kMemorySize; ++i) {
memory[i] = i % 255;
}
ExceptionHandler handler(temp_path_,
NULL,
DumpCallback,
NULL,
ExceptionHandler::HANDLER_ALL);
// Add the memory region to the list of memory to be included.
handler.RegisterAppMemory(memory, kMemorySize);
ASSERT_TRUE(handler.WriteMinidump());
ASSERT_FALSE(dump_file.empty());
string minidump_filename;
ASSERT_TRUE(WindowsStringUtils::safe_wcstombs(dump_file,
&minidump_filename));
// Read the minidump. Ensure that the memory region is present
Minidump minidump(minidump_filename);
ASSERT_TRUE(minidump.Read());
MinidumpMemoryList* dump_memory_list = minidump.GetMemoryList();
ASSERT_TRUE(dump_memory_list);
const MinidumpMemoryRegion* region =
dump_memory_list->GetMemoryRegionForAddress(kMemoryAddress);
ASSERT_TRUE(region);
EXPECT_EQ(kMemoryAddress, region->GetBase());
EXPECT_EQ(kMemorySize, region->GetSize());
// Verify memory contents.
EXPECT_EQ(0, memcmp(region->GetMemory(), memory, kMemorySize));
delete[] memory;
}
// Test that a memory region that was previously registered
// can be unregistered.
TEST_F(ExceptionHandlerTest, AdditionalMemoryRemove) {
SYSTEM_INFO si;
GetSystemInfo(&si);
const u_int32_t kMemorySize = si.dwPageSize;
// Get some heap memory.
u_int8_t* memory = new u_int8_t[kMemorySize];
const uintptr_t kMemoryAddress = reinterpret_cast<uintptr_t>(memory);
ASSERT_TRUE(memory);
// Stick some data into the memory so the contents can be verified.
for (u_int32_t i = 0; i < kMemorySize; ++i) {
memory[i] = i % 255;
}
ExceptionHandler handler(temp_path_,
NULL,
DumpCallback,
NULL,
ExceptionHandler::HANDLER_ALL);
// Add the memory region to the list of memory to be included.
handler.RegisterAppMemory(memory, kMemorySize);
// ...and then remove it
handler.UnregisterAppMemory(memory);
ASSERT_TRUE(handler.WriteMinidump());
ASSERT_FALSE(dump_file.empty());
string minidump_filename;
ASSERT_TRUE(WindowsStringUtils::safe_wcstombs(dump_file,
&minidump_filename));
// Read the minidump. Ensure that the memory region is not present.
Minidump minidump(minidump_filename);
ASSERT_TRUE(minidump.Read());
MinidumpMemoryList* dump_memory_list = minidump.GetMemoryList();
ASSERT_TRUE(dump_memory_list);
const MinidumpMemoryRegion* region =
dump_memory_list->GetMemoryRegionForAddress(kMemoryAddress);
EXPECT_FALSE(region);
delete[] memory;
}
} // namespace