Fix 'debug_file' in PESourceLineWriter.

- Add a #define to testing.gyp to avoid warnings about TR1 deprecation.
- PESourceLineWriter now reads debug_file from CodeView record instead
  of using code_file value.
- Updated PE-only MD reading unit test.

Change-Id: Ib4e6201df3e3fd651e160f310584b5a67b16c842
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/1668347
Reviewed-by: Ivan Penkov <ivanpe@chromium.org>
This commit is contained in:
Nelson Billing 2019-06-19 16:13:24 -07:00
parent ee65a3c005
commit c38725b70e
3 changed files with 29 additions and 15 deletions

View file

@ -53,9 +53,9 @@
# Visual C++ implements variadic templates strangely, and
# VC++2012 broke Google Test by lowering this value. See
# http://stackoverflow.com/questions/12558327/google-test-in-visual-studio-2012
'defines': ['_VARIADIC_MAX=10'],
'defines': ['_VARIADIC_MAX=10', '_SILENCE_TR1_NAMESPACE_DEPRECATION_WARNING'],
},
'defines': ['_VARIADIC_MAX=10'],
'defines': ['_VARIADIC_MAX=10', '_SILENCE_TR1_NAMESPACE_DEPRECATION_WARNING'],
},
{
'target_name': 'gmock',
@ -81,9 +81,9 @@
'<(DEPTH)/testing/googlemock',
'<(DEPTH)/testing',
],
'defines': ['_VARIADIC_MAX=10'],
'defines': ['_VARIADIC_MAX=10', '_SILENCE_TR1_NAMESPACE_DEPRECATION_WARNING'],
},
'defines': ['_VARIADIC_MAX=10'],
'defines': ['_VARIADIC_MAX=10', '_SILENCE_TR1_NAMESPACE_DEPRECATION_WARNING'],
},
],

View file

@ -95,7 +95,7 @@ struct CV_INFO_PDB70 {
ULONG cv_signature;
GUID signature;
ULONG age;
UCHAR pdb_filename[ANYSIZE_ARRAY];
CHAR pdb_filename[ANYSIZE_ARRAY];
};
#define CV_SIGNATURE_RSDS 'SDSR'
@ -123,8 +123,6 @@ using std::unique_ptr;
using google_breakpad::GUIDString;
bool ReadModuleInfo(const wstring & pe_file, PDBModuleInfo * info) {
info->debug_file = WindowsStringUtils::GetBaseName(pe_file);
// Convert wchar to native charset because ImageLoad only takes
// a PSTR as input.
string img_file;
@ -141,10 +139,10 @@ bool ReadModuleInfo(const wstring & pe_file, PDBModuleInfo * info) {
}
info->cpu = FileHeaderMachineToCpuString(
img->FileHeader->FileHeader.Machine);
img->FileHeader->FileHeader.Machine);
PIMAGE_OPTIONAL_HEADER64 optional_header =
&(reinterpret_cast<PIMAGE_NT_HEADERS64>(img->FileHeader))->OptionalHeader;
&(reinterpret_cast<PIMAGE_NT_HEADERS64>(img->FileHeader))->OptionalHeader;
if (optional_header->Magic != IMAGE_NT_OPTIONAL_HDR64_MAGIC) {
fprintf(stderr, "Not a PE32+ image\n");
return false;
@ -164,21 +162,37 @@ bool ReadModuleInfo(const wstring & pe_file, PDBModuleInfo * info) {
for (DWORD i = 0; i < debug_size / sizeof(*debug_directories); i++) {
if (debug_directories[i].Type != IMAGE_DEBUG_TYPE_CODEVIEW ||
debug_directories[i].SizeOfData < sizeof(CV_INFO_PDB70)) {
debug_directories[i].SizeOfData < sizeof(CV_INFO_PDB70)) {
continue;
}
struct CV_INFO_PDB70* cv_info = static_cast<CV_INFO_PDB70*>(ImageRvaToVa(
img->FileHeader,
img->MappedAddress,
debug_directories[i].AddressOfRawData,
&img->LastRvaSection));
img->FileHeader,
img->MappedAddress,
debug_directories[i].AddressOfRawData,
&img->LastRvaSection));
if (cv_info->cv_signature != CV_SIGNATURE_RSDS) {
continue;
}
info->debug_identifier = GenerateDebugIdentifier(cv_info->age,
cv_info->signature);
// This code assumes that the pdb_filename is stored as ASCII without
// multibyte characters, but it's not clear if that's true.
size_t debug_file_length = strnlen_s(cv_info->pdb_filename, MAX_PATH);
if (debug_file_length < 0 || debug_file_length >= MAX_PATH) {
fprintf(stderr, "PE debug directory is corrupt.\n");
return false;
}
std::string debug_file(cv_info->pdb_filename, debug_file_length);
if (!WindowsStringUtils::safe_mbstowcs(debug_file, &info->debug_file)) {
fprintf(stderr, "PDB filename '%s' contains unrecognized characters.\n",
debug_file.c_str());
return false;
}
info->debug_file = WindowsStringUtils::GetBaseName(info->debug_file);
return true;
}

View file

@ -1,4 +1,4 @@
MODULE windows x86_64 2A5EAB481FAB4A17A9761CDC14FE531A1 pe_only_symbol_test.dll
MODULE windows x86_64 2A5EAB481FAB4A17A9761CDC14FE531A1 pe_only_symbol_test.pdb
INFO CODE_ID 5C8AD05F12000 pe_only_symbol_test.dll
STACK CFI INIT 1440 39 .cfa: $rsp .ra: .cfa 8 - ^
STACK CFI 1440 .cfa: $rsp 32 +