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* Breakpad Linux Dumper: Disable warnings about unpaired functions and lines ↵jimblandy2010-04-053-1/+82
| | | | | | | | | | | | | | | | | | | by default. In the process of pairing up DWARF source lines with the functions they belong to, the dumper detects and warns about regions of functions that have no source line information, and vice versa. However, this seems to occur in real code frequently enough (although not often) that the warnings may obscure more serious problems. This patch makes those warnings disabled by default in DwarfCUToModule::WarningReporter. It does not add a way for the dump_syms user to enable them. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@566 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Add gettimeofday to linux_syscall_support.hmmentovai2010-04-021-0/+2
| | | | | | | | Patch by Adam Langley <agl@chromium.org>. R=me git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@565 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad Linux dumper: Use the correct section's base address.jimblandy2010-04-011-1/+1
| | | | | | | | | | | | | In order to dump call frame information held in .eh_frame sections, the dumper needs to know the proper base address to use for pointers encoded using the DW_EH_PE_textrel encoding. This should be the start of the .text section. However, due to a cut-and-paste typo, the dumper was supplying the base address of the ".got" section instead. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@564 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad Linux dumper: Include filename in error messages.jimblandy2010-03-311-11/+13
| | | | | | | a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@562 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad DWARF parser: correct comments regarding dynamic_cast.jimblandy2010-03-301-7/+14
| | | | | | | | | | | | | | | | The comments don't accurately describe what the style guide says. Regardless of what the style guide says, RTTI seems to make trouble in practice, because so many people build with it disabled. Since only the symbol dumper uses RTTI, not the client library, it may be practical for people to simply enable RTTI for the dumper. Failing that, it may be best in the long run to violate the style guide and make the code work sans RTTI. a=jimblandy, r=mmentovai git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@561 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad Linux dumper: Make changes requested by Neal Sidhwaney in issue 59002.jimblandy2010-03-293-21/+53
| | | | | | | | | | - Use manifest constants for 'z' augmentation letters. - Fix typos and rearrange some code for legibility. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@560 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Add omitted newline to warning message in StabsReader::SymbolString.jimblandy2010-03-181-1/+1
| | | | | | | a=jimblandy, no reviewer git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@555 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad: Support DWARF CFI-driven stack walking on ARM.jimblandy2010-03-161-8/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch allows the Breakpad minidump processor to use data from STACK CFI records to generate stack traces for the ARM processor. In the symbol dumper, we need a table mapping DWARF CFI register numbers to their names: STACK CFI records refer to registers by name. In the processor, we expand StackwalkerARM::GetCallerFrame to see if there are STACK CFI records covering the callee, and then use those to recover the caller's register values. There's no good reason the ARM walker couldn't use the SimpleCFIWalker interface declared in cfi_frame_info.h. Unfortunately, that interface assumes that one can map register names to member pointers of the raw context type, while MDRawContextARM uses an array to hold the registers' values: C++ pointer-to-member types can't refer to elements of member arrays. So we have to write out SimpleCFIWalker::FindCallerRegisters in StackwalkerARM::GetCallerFrame. We define enum MDARMRegisterNumbers in minidump_cpu_arm.h, for convenience in referring to certain ARM registers with dedicated purposes, like the stack pointer and the PC. We define validity flags in StackFrameARM for all the registers, since CFI could theoretically recover any of them. In the same vein, we expand minidump_stackwalk.cc to print the values of all valid callee-saves registers in the context --- and use the proper names for special-purpose registers. We provide unit tests that give full code and branch coverage (with minor exceptions). We add a testing interface to StackwalkerARM that allows us to create context frames that lack some register values. a=jimblandy, r=mmentovai git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@553 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad Linux dumper: Parse the .eh_frame section.jimblandy2010-03-1611-143/+1336
| | | | | | | | | | | | | | | | | | | | | | | | Extend google_breakpad::CFISection with the ability to produce .eh_frame data. Entry headers have a different format, and pointers can be encoded in new and fascinating ways. Extend dwarf2reader::CallFrameInfo to be able to parse either DWARF CFI or .eh_frame data, as determined by an argument to the constructor. Cope with variations in header formats, encoded pointers, and additional data in 'z' augmentation data blocks. Extend the unit tests appropriately. Extend dump_syms to look for a .eh_frame section, and if it is present, find the necessary base addresess and parse its contents. There's no need for DwarfCFIToModule to check the version numbers; if CallFrameInfo can parse it, DwarfCFIToModule should be able to handle it. Adjust tests accordingly. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@552 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad DWARF parser: Add support for parsing .eh_frame encoded pointers.jimblandy2010-03-165-5/+993
| | | | | | | | | | | | The Linux C++ exception handling data format (.eh_frame) can specify a number of different encodings for the addresses it contains. This patch extends dwarf2reader::ByteReader to read pointers encoded in these ways. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@551 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad Linux dumper: Add support for dumping DWARF CFI as STACK CFI records.jimblandy2010-03-1613-10/+4881
| | | | | | | | | | | | | | | | | | | | | | | Define a new DWARF parser class, dwarf2reader::CallFrameInfo. Extend google_breakpad::Module to store and write out 'STACK CFI' records. Define a new google_breakpad::DwarfCFIToModule class, to accept DWARF CFI data from the parser and populate a Module with the equivalent STACK CFI records. Extend the Linux symbol dumping tool, dump_syms, to use dwarf2reader::CallFrameInfo, google_breakpad::DwarfCFIToModule, and google_breakpad::Module to extract DWARF CFI from the executable or shared library files and write it to the Breakpad symbol file. Define CFISection, a new class derived from TestAssembler::Section, for use in creating DWARF CFI data for test cases. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@550 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad Linux dumper: Tolerate STABS data from code linked with --gc-sections.jimblandy2010-03-023-2/+26
| | | | | | | | | | | | | Programs compiled with -ffunction-sections -Wl,--gc-sections may have SO entries for the start of the compilation unit whose addresses are zero, even when the compilation unit contains non-omitted functions at non-zero addresses. The breakpad dumper should not assume that the compilation unit starting address is always non-zero. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@542 4c0a9323-5329-0410-9bdc-e9ce6186880e
* ARM support, with some build system changes to support x86-64, arm, and i386 ↵nealsid2010-03-021-22/+169
| | | | | | | | | | | in an autoconf style build in Linux. The O2 build for the unit tests is still broken but I'm checking this in to unblock people A=nealsid R=ajwong, hannahtang, ted.mielczarek git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@541 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad Linux symbol dumper: Handle programs linked with --gc-sections.jimblandy2010-02-243-0/+142
| | | | | | | | | | | | | | | | | | | | | | | | | | | | As explained in the code: Given the right options, the GNU toolchain will omit unreferenced functions from the final executable. Unfortunately, when it does so, it does not remove the associated portions of the line number program; instead, it lets the symbol references in the DW_LNE_set_address instructions pointing to the now-deleted code resolve to zero. Given this input, the DWARF line parser will call AddLine with a series of lines starting at address zero. Rather than collecting series of lines describing code that is not there, we should drop them. Since the linker doesn't explicitly distinguish references to dropped sections from genuine references to zero, we must use a heuristic. We have chosen: - If a line starts at address zero, omit it. (On the platforms breakpad targets, it is extremely unlikely that there will be code at address zero.) - If a line starts immediately after an omitted line, omit it too. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@538 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad Linux dumper: Add missing newlines to error messages.jimblandy2010-02-231-2/+2
| | | | | | | | | | Some of the error messages that could be generated in the process of parsing DWARF debugging information lack terminating newlines. a=jimblandly, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@536 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad Linux dumper: Record AbstractOrigin entries for all DIEs that need ↵jimblandy2010-02-202-20/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | them. Any DIE with an DW_AT_inline attribute can be cited by DW_AT_abstract_origin attributes --- even if the value of the DW_AT_inline attribute is DW_INL_not_inlined. Thus, we need to set the inline_ flag on all such DIEs, regardless of the attribute's value. This allows us to find names in situations like this: <1><30cf>: Abbrev Number: 57 (DW_TAG_subprogram) <30d0> DW_AT_specification: <0x3013> <30d4> DW_AT_decl_file : 1 <30d5> DW_AT_decl_line : 92 <30d6> DW_AT_inline : 0 (not inlined) <30d7> DW_AT_sibling : <0x30f0> ... <1><30f5>: Abbrev Number: 59 (DW_TAG_subprogram) <30f6> DW_AT_abstract_origin: <0x30cf> <30fa> DW_AT_low_pc : 0x13bc <30fe> DW_AT_high_pc : 0x13ec <3102> DW_AT_frame_base : 0x2c (location list) <3106> DW_AT_sibling : <0x3113> a=jimblandy, r=nealsid,dmuir git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@526 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad Linux dumper: Compare section names correctly.jimblandy2010-02-181-1/+7
| | | | | | | | | | | | | | | | | | | FindSectionByName will return the first section whose name starts with NAME, because strncmp stops the comparison once NAME's characters have been found to match. The comparison stops before the terminating '\0'. For example, if we search for the section named ".eh_frame", we may get the section named ".eh_frame_hdr". Instead, check that the section name section has enough space to store the complete name with its terminating '\0', and then use strcmp, which will never examine more than strlen(NAME) + 1 bytes from the section name section, regardless of its contents, and will require the terminating '\0' to match as well. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@525 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad DWARF parser: Expand comments for ByteReader class.jimblandy2010-02-111-43/+122
| | | | | | | | | | | | This is preparation for adding support for reading Linux C++ exception handling data's encoded pointers. The change should have no user-visible effect; it simply expands the comments for dwarf2reader::ByteReader, and regroups the member functions. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@522 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Linux DWARF reader: Follow DW_AT_abstract_origin links to find function names.jimblandy2010-02-104-3/+264
| | | | | | | | | | | | | | | | | | | | | | | | | | Without this patch, debugging information like the following will produce FUNC records with no names, because the dumper (correctly) ignores the DW_TAG_subprogram DIEs that lack DW_AT_low_pc/DW_AT_high_pc attributes, but won't follow the DW_AT_abstract_origin link from the DIE that does have code addresses to find its name. <1><168>: Abbrev Number: 5 (DW_TAG_class_type) <169> DW_AT_name : Foo <2><183>: Abbrev Number: 7 (DW_TAG_subprogram) <185> DW_AT_name : Foo <18b> DW_AT_declaration : 1 <1><1b7>: Abbrev Number: 12 (DW_TAG_subprogram) <1b8> DW_AT_specification: <0x183> <1bc> DW_AT_inline : 2 (declared as inline but ignored) <1><1dc>: Abbrev Number: 16 (DW_TAG_subprogram) <1dd> DW_AT_abstract_origin: <0x1b7> <1e1> DW_AT_low_pc : 0x8048578 <1e5> DW_AT_high_pc : 0x8048588 a=dmuir, r=jimblandy git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@520 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad Linux dumper: Don't be silly about global functions.jimblandy2010-02-092-8/+8
| | | | | | | | | | | | Yes, classes are useful. But that doesn't mean that every function has to gratuitously become a member function. The Google C++ Style Guide does not require this silliness, since the function is in the google_breakpad namespace anyway. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@519 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad Linux dumper: Add file comments as required by the style guide.jimblandy2010-02-0923-17/+116
| | | | | | | | | | | | | | | | | | | | | | This also includes some comments I promised Cary Coutant I'd write about the appropriateness of processing attributes in EndAttributes calls. The Google C++ Style Guide requires each file to have an author notice and a comment explaining the file's general purpose. For the record, I don't think putting an author notice on the files is a good idea; it's odd to have the original author retain prominence even if the file has been heavily edited by others; the version control system answers this question more accurately. This is only for Style Guide compliance. The Apache group decided to discourage author annotations, partially for these reasons: http://mail-archives.apache.org/mod_mbox/jakarta-jmeter-dev/200402.mbox/%3C4039F65E.7020406@atg.com%3E a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@518 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad: Update copyright notice years on all files changed in 2010.jimblandy2010-02-0930-30/+30
| | | | | | | | | | We've gotten mixed advice from the lawyery types about whether this matters. But it's easy enough to do. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@517 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Refactor Chrome's out-of-process Linux code into ↵ted.mielczarek2010-02-051-0/+47
| | | | | | CrashGeneration{Server,Client} classes. Upstreamed from the Mozilla repository. Patch by Chris Jones <jones.chris.g@gmail.com> r=me at https://bugzilla.mozilla.org/show_bug.cgi?id=516759 git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@515 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad Linux dumper: Recognize more processor architectures.jimblandy2010-02-021-12/+35
| | | | | | | | | | | | | | This extends the ElfArchitecture function to recognize the architectures it seemed to me that breakpad was most likely to see. Also: the dumper has historically not provided very helpful error messages. This patch adds a few that were convenient, but we should do an audit for this. a=jimblandy, r=ted.mielczarek git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@507 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad Linux Dumper: Rename structure members to follow the Google C++ ↵jimblandy2010-01-289-217/+217
| | | | | | | | | | | | | Style Guide. The Google C++ Style Guide says that members of structures needn't have names ending in underscores. The structure types in google_breakpad::Module don't follow this rule. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@505 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad DWARF parser: Add method to read DWARF "Initial length".jimblandy2010-01-283-27/+31
| | | | | | | | | | | This patch moves the ReadInitialFunction from dwarf2reader.cc, where it was a static function, to being a member function of google_breakpad::ByteReader. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@504 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad Linux Dumper: Add DWARF support.jimblandy2010-01-2310-27/+3941
| | | | | | | | | | | | | | | | | | | | | | | | This adds DWARF support to the Breakpad Linux dumper. This is implemented as two handler classes: google_breakpad::DwarfCUToModule accepts data from dwarf2reader::CompilationUnit, and google_breakpad::DwarfLineToModule accepts data from a dwarf2reader::LineInfo, each populating a google_breakpad::Module with the results. Behaviors specific to particular source languages are handled by instances of a new class, google_breakpad::Language. An input executable may contain both STABS and DWARF debugging information: the dumper automatically recognizes what sorts of information are available, and integrates the data into a single output file. All classes have unit tests, providing line and branch coverage of all interesting code. Unit tests are written using the Google C++ Testing Framework, and the Google C++ Mocking Framework where appropriate. a=jimblandy, r=ccoutant git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@497 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Typo: "An" -> "A".jimblandy2010-01-231-1/+1
| | | | git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@496 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad DWARF Parser: Improved DWARF-processing interface.jimblandy2010-01-233-0/+1084
| | | | | | | | | | | | | | | | | | dwarf2reader::CompilationUnit is a simple and direct parser for DWARF data, but its handler interface is not convenient to use. In particular, the same handler object receives data about all DIEs processed. One can't use distinct classes to separate the information needed to handle different kinds of data. This patch defines a new adapter type, dwarf2reader::DIEHandler, which implements the existing DWARF parser's handler interface, given a handler written to a more comfortable, object-orient interface. The comments in dwarf2diehandler.h provide more detail. a=jimblandy, r=ccoutant git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@495 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad DWARF Reader: Change LineInfoHandler::AddLine to provide the line's ↵jimblandy2010-01-224-28/+50
| | | | | | | | | | | | | | | | | | | | length. Breakpad's DWARF line number info parser provides a code address, file, and line number for each code/source pairing, but doesn't provide the length of the machine code. This makes that change, as discussed in the following thread: http://groups.google.com/group/google-breakpad-dev/browse_thread/thread/ed8d2fde79319368p This patch also makes the corresponding changes to the functioninfo.cc module, used by the Mac dumper. This patch has no effect on the Mac dumper's output. a=jimblandy, r=ccoutant git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@494 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad DWARF Reader: Also look for DWARF in sections with the proper names.jimblandy2010-01-221-6/+18
| | | | | | | | | | | | The DWARF specification specifices which names the sections containing DWARF information should have. OSX uses slightly different names. This patch changes the DWARF reader to look for the sections under both sets of names. a=jimblandy, r=ccoutant git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@493 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Add new file missed in r490.jimblandy2010-01-141-0/+8
| | | | git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@492 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad Linux dumper: STABS reader incorrectly assumes a single compilation ↵jimblandy2010-01-143-35/+194
| | | | | | | | | | | | | | | | | | | | | | | | | | | unit The stabs reading code in google-breakpad incorrectly assumes that the stabs data is a single compilation unit. Specifically, it ignores N_UNDF stabs and assumes that all string indices are relative to the beginning of the .stabstr section. This is true when linking with the GNU linker by default, because the GNU linker optimizes stabs debug info. The gold linker does not do this optimization. It can be disabled when using the GNU linker with the --traditional-format command line option. For more details of the problem, see: http://sourceware.org/bugzilla/show_bug.cgi?id=10338 http://code.google.com/p/google-breakpad/issues/detail?id=359 This patch adds unit tests that reproduce the failure, and fixes the stabs parser. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@490 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad: Fix Emacs mode settings mingled with copyright notice text. jimblandy2010-01-123-3/+9
| | | | | | | a=jimblandy, r=mmentovai git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@484 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Google Breakpad DWARF reader: Add a handler function for DIE references.jimblandy2010-01-124-31/+70
| | | | | | | | | | | | | | | Add a new member function to dwarf2reader::Dwarf2Handler, ProcessAttributeReference, for reporting attribute values that are references to other DIEs. This handler member function always receives an absolute offset (that is, relative to the start of the .debug_info section, not to the start of the compilation unit), regardless of the form the attribute uses. (Some forms are CU-relative, some are absolute.) a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@482 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad DWARF Reader: Add DWARF language enumeration values.jimblandy2010-01-111-0/+36
| | | | | | | a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@479 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Fix solaris build breaknealsid2010-01-081-1/+1
| | | | git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@476 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad Linux Dumper: Fix up comments in google_breakpad::Module interface.jimblandy2009-12-231-7/+7
| | | | | | | | | Use the term "own", since ownership is the concept at work here. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@468 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Issue 49003: Breakpad Linux Dumper: Add unit tests for STABS dumper.jimblandy2009-12-231-0/+175
| | | | | | | | | | | | Previous patches added unit tests for the STABS parser and the Breakpad symbol file writer; this adds unit tests for the "dumper" class that sits between them, receiving data from the parser and handing it to the writer. So now the whole pathway has coverage. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@467 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad Linux dumper: Add unit tests for google_breakpad::Module.jimblandy2009-12-233-11/+331
| | | | | | | | | | | | | Adjust Module's interface a bit to facilitate testing: - Make AssignSourceIds something a client can call --- it's perfectly well-defined, so this is an okay change. - Add GetFunctions, GetFiles and FindExistingfile member functions, which the test harness will use to get results to examine. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@466 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad Linux Dumper: Use proper sizes and radixes when writing Breakpad ↵jimblandy2009-12-231-7/+7
| | | | | | | | | | | | | | symbol files. A FUNC record's parameter size is also hexadecimal, and all values are 64 bits wide. A line record's address and size are 64 bits wide. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@465 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad Linux dumper: move DumpStabsHandler into its own file, for testing.jimblandy2009-12-233-211/+304
| | | | | | | | | This will make it easier to write unit tests for DumpStabsHandler. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@464 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Issue 357: New Linux file_id code doesn't persist across strip. ↵ted.mielczarek2009-12-233-16/+162
| | | | | | r=agl,nealsid at http://breakpad.appspot.com/49008 git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@461 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Breakpad DWARF parser: Fix up documentation for DWARF reader classes.jimblandy@gmail.com2009-12-182-33/+34
| | | | | | | | | | | | | | | | | | | | | | | Fix typos. For CompilationUnit::Start, I was confused by the '-' in the original comment, taking it for a parenthetic clause marker, assuming an implicit "of the next compilation unit" at the end of the sentence. The comments should refer to the ".debug_info" section, not the "debug_info" section. The latter is not the section name actually used on any system (ELF or Mach-O), and the former is the name prescribed by the DWARF spec. Some of the comments for ProcessAttribute* member functions claim that OFFSET is from the start of the compilation unit, but that's not so: the code has always passed an offset relative to the start of the .debug_info section. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@453 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Issue 41004: Breakpad DWARF parser: fixes to compile without warnings under ↵jimblandy@gmail.com2009-12-152-1/+7
| | | | | | | | | GNU C++ 4.3.3. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@450 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Issue 41003: Breakpad DWARF parser: Include <cstdio>, since we use itjimblandy@gmail.com2009-12-151-2/+2
| | | | | | | | | | | | | | | | src/common/dwarf/dwarf2reader.cc uses the old-fashioned <stdio.h> facilities to report errors. Ideally, we would add a 'Warning' message to the handler and make the client responsible for dealing with the errors, but this at least allows us to compile. Ubuntu 9.10 uses GCC 4.4.1; under older versions of GCC, this wasn't a problem, probably because stdio.h was being brought in inadvertently somewhere else. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@449 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Issue 42002: Breakpad DWARF parser: avoid using <stdint.h> typejimblandy@gmail.com2009-12-153-3/+11
| | | | | | | | | | | | | | | | | | | | | It seems that a use of the <stdint.h> type uintptr_t has crept into the DWARF parser. This defines a workaround for the GNU compilers (tested on both Mac and Linux) which will raise an error if it doesn't work. My personal preference would be just to assume that the <stdint.h> header is available and use the standard types everywhere, but 1) that would be a large change, likely to make merges with the other branches of the DWARF parser more difficult, and 2) it would make it quite difficult to build under Microsoft Visual Studio, which doesn't have the <stdint.h> header; Microsoft has said they have no plans to provide it, as they would rather "focus their efforts" on C++ and .NET. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@448 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Issue 42001: Breakpad Linux Dumper: remove compilation warnings in ↵jimblandy@gmail.com2009-12-151-4/+18
| | | | | | | | | | | | | | | | | | guid_creator.cc. Building on Ubuntu 9.10 with the distributed compiler (GCC 4.4.1), we get warnings like the following: guid_creator.cc:56: warning: dereferencing type-punned pointer will break strict-aliasing rules It doesn't matter in this case, but there's no crying need to use reinterpret casts in an endian-dependent way when there are plenty of well-defined ways to get the same effect. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@447 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Issue 39002: Breakpad DWARF parser: Move DWARF parser to ↵jimblandy@gmail.com2009-12-1512-34/+34
| | | | | | | | | | | | | | | | platform-independent directory. Move the DWARF parser, and the functioninfo.cc DWARF consumer, from src/common/mac/dwarf to src/commmon/dwarf, so that it can be shared between the Mac and Linux dumpers. Fix up #include directives, multiple inclusion protection macros, and Xcode build files. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@446 4c0a9323-5329-0410-9bdc-e9ce6186880e
* Issue 26001: Linux dumper: fix comments in STABS readerjimblandy@gmail.com2009-12-152-24/+28
| | | | | | | | | | Typos; ambiguities; dangling references to arguments whose names got changed. a=jimblandy, r=nealsid git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@445 4c0a9323-5329-0410-9bdc-e9ce6186880e
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