diff options
| author | mark@chromium.org <mark@chromium.org@4c0a9323-5329-0410-9bdc-e9ce6186880e> | 2012-02-23 22:56:53 +0000 |
|---|---|---|
| committer | mark@chromium.org <mark@chromium.org@4c0a9323-5329-0410-9bdc-e9ce6186880e> | 2012-02-23 22:56:53 +0000 |
| commit | 84a55c5a722c26304498b3fc2546a98cbc30a2e0 (patch) | |
| tree | fa1591b068b31d17ed9b69d7196b5ce3be4f1acf /src/google_breakpad/processor | |
| parent | Handle program strings with the assignment operator smashed against the next (diff) | |
| download | breakpad-84a55c5a722c26304498b3fc2546a98cbc30a2e0.tar.xz | |
Support for .raSearch in the x86 stackwalker
Patch by Benjamin Smedberg <bsmedberg@gmail.com>
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@927 4c0a9323-5329-0410-9bdc-e9ce6186880e
Diffstat (limited to 'src/google_breakpad/processor')
| -rw-r--r-- | src/google_breakpad/processor/stackwalker.h | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/src/google_breakpad/processor/stackwalker.h b/src/google_breakpad/processor/stackwalker.h index 6822f16a..614e31b5 100644 --- a/src/google_breakpad/processor/stackwalker.h +++ b/src/google_breakpad/processor/stackwalker.h @@ -108,6 +108,15 @@ class Stackwalker { // Returns false otherwise. bool InstructionAddressSeemsValid(u_int64_t address); + template<typename InstructionType> + bool ScanForReturnAddress(InstructionType location_start, + InstructionType *location_found, + InstructionType *ip_found) { + const int kRASearchWords = 30; + return ScanForReturnAddress(location_start, location_found, ip_found, + kRASearchWords); + } + // Scan the stack starting at location_start, looking for an address // that looks like a valid instruction pointer. Addresses must // 1) be contained in the current stack memory @@ -120,10 +129,10 @@ class Stackwalker { template<typename InstructionType> bool ScanForReturnAddress(InstructionType location_start, InstructionType *location_found, - InstructionType *ip_found) { - const int kRASearchWords = 30; + InstructionType *ip_found, + int searchwords) { for (InstructionType location = location_start; - location <= location_start + kRASearchWords * sizeof(InstructionType); + location <= location_start + searchwords * sizeof(InstructionType); location += sizeof(InstructionType)) { InstructionType ip; if (!memory_->GetMemoryAtAddress(location, &ip)) |