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* Breakpad: Add minidump processor support for DWARF Call Frame Information.jimblandy2010-03-162-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | Add a CFIFrameInfo class (named for symmetry with WindowsFrameInfo) to represent the set of STACK CFI rules in effect at a given instruction, and apply them to a set of register values. Provide a SimpleCFIWalker class template, to allow the essential CFI code to be shared amongst the different architectures. Teach BasicSourceLineResolver to partially parse 'STACK CFI' records, and produce the set of rules in effect at a given instruction on demand, by combining the initial rule set and the appropriate rule deltas in a CFIFrameInfo object. Adapt StackwalkerX86 and StackFrameX86 to retrieve, store, and apply CFI stack walking information. Add validity flags for all the general-purpose registers to StackFrameX86::ContextValidity. a=jimblandy, r=mmentovai git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@549 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad processor: Fix function and public symbol lookup.jimblandy2010-01-281-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In r480, I botched the change to make the comparisons that decide whether an address falls within a function's range safe from overflow. The original code said: address >= function_base && address < function_base + function_size which is fine unless the function abuts the end of the address space, in which case the addition overflows and you get a false negative. My change subtracted function_size from both sides of the latter comparison, which is meaning-preserving in true math, and gets you: address >= function_base && address - function_size < function_base This not only reads strangely, but also still overflows if function_size is greater than address. That's rare, but I've added a case to the unit tests that checks it. My intent had been to replace the addition which could overflow with a subtraction that was known not to overflow, namely: address >= function_base && address - function_base < function_size This is equivalent to the original in true math, and because of the first comparison, we know the subtraction won't underflow in MemAddr math. The patch includes similar fixes to the public symbol lookup code, and to FindWindowsFrameInfo, which was the only other function affected by r480. a=jimblandy, r=mmentovai git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@503 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Added on-demand minidump generation for Linux, and a Linux test app.brdevmn2009-12-161-0/+81
| | | | | | | | | | | A=brdevmn R=mochalatte Code review: http://breakpad.appspot.com/48001/show git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@451 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Let x86 stackwalker scan stack in cases where program evaluation fails. ↵ted.mielczarek2009-10-081-0/+4
| | | | | | Original patch by Jeff Muizelaar <jmuizelaar@mozilla.com> with some changes by me. r=mento at http://breakpad.appspot.com/32003/show git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@409 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Fix newlines (#253). rs=ted.mielczarekmmentovai2008-04-071-22151/+22151
| | | | | | | http://groups.google.com/group/google-breakpad-dev/browse_thread/thread/7e62a299ce3fa222 git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@255 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Remove dependency on ole32 on Windows (#132). Patch by Sorin Jianu ↵mmentovai2008-01-281-2/+1
| | | | | | <sorinj>, r=me. git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@237 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Allow finer control over installed handler types (#193). r=ted.mielczarekmmentovai2007-07-021-1/+3
| | | | | | | http://groups.google.com/group/google-breakpad-dev/browse_thread/thread/992a1bb09dc58a32 git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@193 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Updated test data from Issue 143ted.mielczarek2007-05-302-1/+2
| | | | git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@181 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Issue 168 - Output debug file and debug identifier in minidump_stackwalk ↵ted.mielczarek2007-05-161-13/+13
| | | | | | machine-readable output. r=mento git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@168 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Ignore functions that have invalid addresses or sizes, instead of aborting thebryner2007-03-222-0/+7
| | | | | | | symbol file load (#137). r=mmentovai. git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@130 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Rename Airbag to Breakpad.mmentovai2007-02-147-21946/+22221
| | | | git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@122 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Airbag windows client didn't trap VC8 parameter validation errors. Now itmmentovai2007-02-071-0/+1
| | | | | | | | | does. (#120) r=bryner. http://groups.google.com/group/airbag-dev/browse_thread/thread/3f21d0e379e32771 git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@120 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Add module list to machine-readable minidump_stackwalk output (#119).mmentovai2007-01-291-0/+21
| | | | | | | | | Patch by Ted Mielczarek. r=me http://groups.google.com/group/airbag-dev/browse_thread/thread/144e66b1de80b1db git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@114 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Pass the exception record (EXCEPTION_POINTERS*) to callback functions frommmentovai2007-01-121-1/+2
| | | | | | | | | | ExceptionHandler on Windows. Patch by John Abd-El-Malek. r=me Interface change: post-dump and pre-dump (filter) callbacks now must accept an additional EXCEPTION_POINTERS* argument. git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@103 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Fix capitalization of identifiers (#94). r=brynermmentovai2006-12-121-11/+11
| | | | | | | http://groups.google.com/group/airbag-dev/browse_thread/thread/15cf4d0ce5ed1014 git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@85 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Allow exception handler callbacks more flexibility (#81). r=brynermmentovai2006-12-076-21473/+21950
| | | | | | | | | | | | | | | | | | | | | - Provide an optional filter callback that gets triggered before attempting to write a dump, to give client code a chance to refuse handling early in the process. - Allow exceptions that are unhandled by Airbag (due to filter callback or dump callback return value, or failure to write a dump) to be passed to the previous handler or to the system. - In order to pass exceptions unhandled by the topmost Airbag handler to lower handlers, fix up the stacking of ExceptionHandler objects, and give each ExceptionHandler object its own thread (like the Mac implementation) to avoid deadlock. - Provide a dump_path argument to callbacks, as requested by developers and already implemented in the Mac handler. - Avoid calling c_str in exception handler code (#90). http://groups.google.com/group/airbag-dev/browse_thread/thread/4771825ced38a84c git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@79 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Test data update following PDBSourceLineWriter change (#91). r=brynermmentovai2006-12-075-5/+5
| | | | | | | http://groups.google.com/group/airbag-dev/browse_thread/thread/d713d3e73aa1a0dd git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@78 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Module API (#32). r=waylonis, brynermmentovai2006-12-052-26/+80
| | | | | | | | | | | | | | | | | | | - Introduces a standard API for dealing with modules. MinidumpModule is now a concrete implementation of this API. Code may interact with single modules using the CodeModule interface, and collections of modules using its container, the CodeModules interface. - CodeModule is used directly by SymbolSupplier implementations and SourceLineResolver. Reliance on the specific implementation in MinidumpModule has been eliminated. - Module lists are now added to ProcessState objects. Module references in each stack frame are now pointers to objects in these module lists. - The sample minidump_stackwalk tool prints the module list after printing all threads' stacks. http://groups.google.com/group/airbag-dev/browse_frm/thread/a9c0550edde54cf8 git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@74 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Support GUID-less PDBs (#77). r=brynermmentovai2006-11-215-3948/+5
| | | | | | | | | | | | - Handle MDCVInfoPDB20-based PDBs by outputting a signature instead of a guid in the MODULE line. - Identify the OS and CPU in the MODULE line. - Suppress multiple subsequent identical STACK WIN lines. http://groups.google.com/group/airbag-dev/browse_thread/thread/0f54e2c33ed5d82d git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@70 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Suppress handler thread from appearing in MinidumpProcessor's ProcessStatemmentovai2006-11-068-15326/+22097
| | | | | | | | | | | | (#65). r=bryner - Interface change: (ProcessState).crash_thread is now requesting_thread and will be populated for non-crash dumps. If the requesting thread cannot be determined, requesting_thread is set to -1. http://groups.google.com/group/airbag-dev/browse_thread/thread/c422ec481a2db440 git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@62 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Symbol file should contain module GUID at beginning (#66). r=brynermmentovai2006-11-065-0/+5
| | | | | | | | | | | | | | | | - The dumped symbol format now begins with a MODULE line identifying the uuid, age, and name of the source pdb file. - The processor ignores MODULE lines, but they are useful in figuring out how to index symbol files in a symbol store. - dump_syms and symupload now both accept either a pdb or exe/dll and will read the pdb regardless. - Figured out that MSSS always represents a module's age in pathnames in hexadecimal, and updated SimpleSymbolSupplier to match. http://groups.google.com/group/airbag-dev/browse_thread/thread/572108d6567edd58 git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@59 4c0a9323-5329-0410-9bdc-e9ce6186880e
* minidump_stackwalk should use MinidumpProcessor (#64). r=brynermmentovai2006-10-271-0/+19
| | | | | | | | | | | | - Commit missing test data. http://groups.google.com/group/airbag-dev/browse_thread/thread/cce30a84f6b2d728 --This line, and .those below, will be ignored-- A src/processor/testdata/minidump2.stackwalk.out git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@54 4c0a9323-5329-0410-9bdc-e9ce6186880e
* minidump_stackwalk should use MinidumpProcessor (#64). r=brynermmentovai2006-10-273-11573/+21279
| | | | | | | | | | | | | | | | | | | | | | | - minidump_stackwalk is now much more useful as a debugging tool and even as a standalone tool. - Reimplementation of minidump_stackwalk around MinidumpProcessor. - minidump_stackwalk displays all pertinent information returned by MinidumpProcessor in the ProcessState. - New PathnameStripper::File static utility method to display only the leaf file name in a pathname, cleaning up minidump_stackwalk's output. - New SimpleSymbolSupplier class, which implements a simple filesystem-based symbol supplier compatible with the layout used by Microsoft Symbol Server and its client cache. - minidump_stackwalk now accepts an optional second argument, a pathname to use as a symbol directory for a SimpleSymbolSupplier. - Updated test data to be compatible with SimpleSymbolSupplier, and added test data for kernel32.pdb. Test data converted from CRLF line endings to LF. http://groups.google.com/group/airbag-dev/browse_thread/thread/cce30a84f6b2d728 git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@53 4c0a9323-5329-0410-9bdc-e9ce6186880e
* minidump_dump does not print MDRawSystemInfo::processor_revision. No bug.mmentovai2006-10-251-1/+1
| | | | | | | r=bryner git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@48 4c0a9323-5329-0410-9bdc-e9ce6186880e
* MinidumpProcessor should process all threads (#35). r=brynermmentovai2006-10-241-0/+1
| | | | | | | | | | | | | | | | - MinidumpProcessor now processes all threads and returns a new ProcessState object. (Interface change.) - ProcessState contains a CallStack for each thread in the process, and additional information about whether the process crashed, which thread crashed, the reason for the crash, and identifying attributes for the OS and CPU. - MinidumpSystemInfo now contains a GetCPUVendor() method that returns the vendor information from CPUID 0 on x86 processors ("GenuineIntel"). http://groups.google.com/group/airbag-dev/browse_thread/thread/16dd2c981e3361ba git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@47 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Add PUBLIC support to SourceLineResolver (resolve function names in Windowsmmentovai2006-10-201-0/+2
| | | | | | | | | | | system libraries) (#53) StackFrame::function_base is not populated (#49) r=bryner http://groups.google.com/group/airbag-dev/browse_thread/thread/a17d35348e7027bb git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@43 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Handle frame pointer omission, (#21), part 4 (final part!): FPO stackwalker.mmentovai2006-10-205-1384/+1390
| | | | | | | | | | | | | r=bryner - This change allows Airbag to properly walk win32 stacks produced by code built with MSVC's frame pointer omission optimization (/Oy). This optimization is enabled at /O1 and /O2. - There too many interface and file format changes to list here. http://groups.google.com/group/airbag-dev/browse_thread/thread/85ce85bfa8457ece git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@42 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Handle frame pointer omission (#21), part 3: SourceLineResolver and ↵mmentovai2006-09-283-0/+864
| | | | | | | | | | | | | | | | | | | PDBSourceLineWriter changes. r=bryner. - PDBSourceLineWriter (dump_syms) outputs stack frame debugging information - SourceLineResolver reads the new information and puts it into a new StackFrameInfo structure, which is stored in a ContainedRangeMap. FillSourceLineInfo passes the StackFrameInfo back to the caller. - The base Stackwalker makes StackFrameInfo data available to subclasses during stackwalking, but does not use this information directly itself. Stackwalkers may access stack_frame_info_ for enhanced stackwalking (this will be part 4). - New test data for the updated dumped-symbol format http://groups.google.com/group/airbag-dev/browse_thread/thread/735f191c9a1a1de4 git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@38 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Relicense to BSD (#29). r=brynermmentovai2006-09-203-0/+29
| | | | | | | http://groups.google.com/group/airbag-dev/browse_thread/thread/5f19f13fc172c4e0 git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@31 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Make SourceLineResolver use RangeMap (#13). r=brynermmentovai2006-09-084-6579/+6579
| | | | | | | | | | | | | | | - Eliminate MemAddrMap from source_line_resolver.cc and adapt it to use RangeMap, also used by minidump.cc. - RangeMap operates on both a base address and a size, where MemAddrMap only used a base address, so the dumped symbol file format is modified to include size information. dump_syms produces these files and SourceLineResolver consumes them. - Provide updated test data conforming to the new dumped symbol format. http://groups.google.com/group/airbag-dev/browse_thread/thread/e9403cf3ad6336a1 git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@21 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Add support to the StackWalker for resolving symbols, using abryner2006-09-083-0/+10731
| | | | | | | | | | | | caller-implemented SymbolSupplier object to get a symbol file. Add a CrashReportProcessor object which provides a simple API for processing a CrashReport struct, given a SymbolSupplier and a minidump file. r=mmentovai (#17)) git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@18 4c0a9323-5329-0410-9bdc-e9ce6186880e
* minidump_dump test is timezone-dependent (#15). r=brynermmentovai2006-09-071-1/+1
| | | | | | | | - Use gmtime (UTC) instead of localtime for human-readable presentation of (MDRawHeader).time_date_stamp. git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@15 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Initial implementation of x86 stackwalker (#9). r=brynermmentovai2006-09-061-0/+23
| | | | git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@12 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Initial implementation of minidump reader (#6). r=brynermmentovai2006-09-062-0/+3734
| | | | git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@11 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Initial import, which includes the Windows client-side dump_syms tool, andbryner2006-08-253-0/+26
part of the server-side dump processor. git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@4 4c0a9323-5329-0410-9bdc-e9ce6186880e
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