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* Simplify ELF parser code.Peter Collingbourne2017-05-253-35/+13
| | | | | | | | | | | | | The layout of Elf32_Nhdr and Elf64_Nhdr is the same, so remove templating and code that extracts the elfclass from the ELF file. Testing: "make check" and breakpad_unittests when patched into chromium. Bug: chromium:716484 Change-Id: I41442cfff48afc6ae1a5b604d22b67550a910376 Reviewed-on: https://chromium-review.googlesource.com/514450 Reviewed-by: Mike Frysinger <vapier@chromium.org>
* Wrap config.h include in HAVE_CONFIG_H.John Budorick2017-05-241-1/+4
| | | | | | | | Bug: breakpad:730 Change-Id: I5a24b96258e1114378061512239d3e18f3f753f0 Reviewed-on: https://chromium-review.googlesource.com/514283 Reviewed-by: Mark Mentovai <mark@chromium.org> Reviewed-by: Mike Frysinger <vapier@chromium.org>
* Only use O_CLOEXEC on platforms that support itLars Volker2017-05-101-0/+1
| | | | | | | | | | | | | | Change a9fca58 made use of the O_CLOEXEC flag, which is not supported on older Linux kernels. This change makes the use contingent on kernel support. Testing: I manually compiled breakpad on CentOS 5.8 running kernel 2.6.18-308.8.2.el5.centos.plusxen. Bug: 730 Change-Id: I21dff928cfba3c156a56708913f65a0c7b5396a6 Reviewed-on: https://chromium-review.googlesource.com/498528 Reviewed-by: Mike Frysinger <vapier@chromium.org>
* Make minidump name generation on Linux as random as possibleGabriele Svelto2017-04-121-7/+87
| | | | | | | | | | | | | | | This patch ensures that two crashes taken within the same second have different minidump names. The random characters used in the minidump filename are now read from /dev/urandom where possible or generated via arc4random(). If neither is available we fall back to regular rand() but mixing the address of an object to the current time when generating the random seed to make it slightly less predictable. BUG=681 Change-Id: I2e97454859ed386e199b2628d6b7e87e16481b75 Reviewed-on: https://chromium-review.googlesource.com/445784 Reviewed-by: Mike Frysinger <vapier@chromium.org>
* Remove unused typedefGordana Cmiljanovic2017-03-241-1/+0
| | | | | | | | | | | This removes unused typedef left in change: https://chromium-review.googlesource.com/c/447697/ and fixes error: dump_symbols.cc:613:35: error: unused typedef 'Word' [-Werror,-Wunused-local-typedef] Change-Id: Ib5a82cd8af9a58ebf173b0f338fa9ad341819ef3 Reviewed-on: https://chromium-review.googlesource.com/459518 Reviewed-by: Mark Mentovai <mark@chromium.org>
* Use string instead of std::stringJoshua Peraza2017-03-221-1/+1
| | | | | | | | BUG= Change-Id: I06d1a836f8ff59a6abb7e420cd35fe52610ce091 Reviewed-on: https://chromium-review.googlesource.com/457872 Reviewed-by: Ivan Penkov <ivanpe@chromium.org>
* Use NSURLSession if the min version we support is iOS 7+.George Kola2017-03-091-7/+5
| | | | | | | | | | | | | | | Because many apps still support iOS 8, they were defaulting to deprecated NSURLConnection even if the code ran on iOS 10. NSURLConnection requires a run loop and hence the code did not always upload if the queue ran on a thread without a Run Loop. This should improve break pad uploads BUG= Change-Id: I7bff80ea977fd1ab13c8812ed933ef842dab417f Reviewed-on: https://chromium-review.googlesource.com/451880 Reviewed-by: Sylvain Defresne <sdefresne@chromium.org> Reviewed-by: Mark Mentovai <mark@chromium.org>
* [MIPS]: Relax dwarf section loading to accept both PROGBITS and MIPS_DWARF ↵Dragan Mladjenovic2017-03-071-4/+22
| | | | | | | | section types Change-Id: I0862d930d92687dee47daa8d4dc3a21524c1c893 Reviewed-on: https://chromium-review.googlesource.com/447697 Reviewed-by: Joshua Peraza <jperaza@chromium.org>
* Fix dump_syms clang compilation on WindowsMaciej Pawlowski2017-03-021-8/+8
| | | | | | | | | | | | Clang complains about bad format strings (DWORD is an unsigned long, not unsigned int) and signed/unsigned comparison. This change is necessary for https://codereview.chromium.org/2712423002/ BUG=245456 Change-Id: I58da92d43d90ac535c165fca346ee6866dfce22e Reviewed-on: https://chromium-review.googlesource.com/448037 Reviewed-by: Mark Mentovai <mark@chromium.org>
* Handle ntdll only emitting PUBLIC at func entryScott Graham2017-02-233-1/+69
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This handles a case encountered in ntdll.dll symbols for Windows 7, where a PUBLIC would be emitted only for the entry point to the function. The body of the function, however, is split in a PGO-ish fashion to another remote location in the binary. Because of this, there were large gaps in the RVA space that would be attributed to the "last" function that happened to have an entry point before the gap. In practice, something like this: 0x100 Func1 0x110 Func2 0x120 Func3 0x130 Func4 ... 0x800 LaterFuncs The bodies of Func1/2/3 tend to be implemented as a fast-path check, followed by a jmp to somewhere in the range between 0x130 and 0x800. Because no symbols are emitted for this range, everything is attributed to Func4, causing crash misattribution. In this CL, the change is: after emitting the entry point symbol, also walk in the original OMAP entries through the untranslated binary, and for each block until we resolve to a new symbol (via the same mechanism as we found the entry point) emit another PUBLIC indicating that there's another block that belongs to that symbol. This effectively breaks up the "0x130 - 0x800" range above. R=mark@chromium.org BUG=chromium:678874 Change-Id: Ib3741abab2e7158c81e3e34bca4340ce4d3153a1 Reviewed-on: https://chromium-review.googlesource.com/446717 Reviewed-by: Mark Mentovai <mark@chromium.org>
* macho_reader_unittest: use EXPECT_FALSEMike Frysinger2017-02-121-2/+2
| | | | | | | | | | | | | | | | | | | This avoids compile time errors: In file included from ./src/testing/googletest/include/gtest/gtest.h:1874:0, from ./src/breakpad_googletest_includes.h:33, from src/common/mac/macho_reader_unittest.cc:39: src/common/mac/macho_reader_unittest.cc: In member function 'virtual void LoadCommand_SegmentBE32_Test::TestBody()': ./src/testing/googletest/include/gtest/internal/gtest-internal.h:133:55: error: converting 'false' to pointer type for argument 1 of 'char testing::internal::IsNullLiteralHelper(testing::internal::Secret*)' [-Werror=conversion-null] (sizeof(::testing::internal::IsNullLiteralHelper(x)) == 1) ^ ... src/common/mac/macho_reader_unittest.cc:1117:3: note: in expansion of macro 'EXPECT_EQ' EXPECT_EQ(false, actual_segment.bits_64); Change-Id: I0cf88160dbe17b0feebed3c91ad65491b81023fd Reviewed-on: https://chromium-review.googlesource.com/439004 Reviewed-by: Mark Mentovai <mark@chromium.org>
* windows: update gtest/gmock pathsMike Frysinger2017-02-111-2/+1
| | | | | | | | | The Windows build has rotted a bit with the gtest/gmock updates. Update all of the paths to fix things up again. Change-Id: Id67ce76abfd331c0543aa4bd1138e9cc13a18c75 Reviewed-on: https://chromium-review.googlesource.com/441584 Reviewed-by: Mark Mentovai <mark@chromium.org>
* md5: fix strict aliasing warningsMike Frysinger2017-02-071-2/+2
| | | | | | Change-Id: I64f4570610c625b1325249fd5fa1b9edc3a89ae4 Reviewed-on: https://chromium-review.googlesource.com/438864 Reviewed-by: Ivan Penkov <ivanpe@chromium.org>
* Update linksOrgad Shaneh2016-11-182-2/+2
| | | | | | | | | | code.google.com is obsolete. Fix all broken markdown links while at it. Change-Id: I6a337bf4b84eacd5f5c749a4ee61331553279009 Reviewed-on: https://chromium-review.googlesource.com/411800 Reviewed-by: Mike Frysinger <vapier@chromium.org>
* Allow compiling the google-breakpad code using a global ::string class ↵Ivan Penkov2016-11-087-11/+12
| | | | | | | | | | | | instead of std::string. For more details take a look at common/using_std_string.h BUG= Change-Id: Ifebfc57f691ef3a3bef8cfed7106c567985edffc Reviewed-on: https://chromium-review.googlesource.com/399738 Reviewed-by: Mark Mentovai <mark@chromium.org>
* Basic handling of CIE version 4 in dwarf readingScott Graham2016-11-025-8/+147
| | | | | | | | | | | | | | | | | CIE looks like it's been emitted by clang since ~May 2015 [1]. This means that we didn't have any CFI because this parse aborted, which meant that all stack walks reverted to stack scanning. Allow expected values for address size and segment descriptor size through so that dump_syms can generate at least somewhat reasonable data. [1]: http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-20150518/277292.html R=mark@chromium.org BUG=chromium:627529 Change-Id: I6dc92f51c4afd25c2adff92c09ccb8bb03bf9112 Reviewed-on: https://chromium-review.googlesource.com/406012 Reviewed-by: Mark Mentovai <mark@chromium.org>
* Fix pointer arithmetic in UTF8ToUTF16CharHans Wennborg2016-10-271-3/+3
| | | | | | | | | | Found by PVS-Studio! BUG=chromium:660198 Change-Id: I2605de2b1499f85c6e01d19e87e9eeb6af8486f3 Reviewed-on: https://chromium-review.googlesource.com/404552 Reviewed-by: Mike Frysinger <vapier@chromium.org>
* Don't demangle Rust symbols by default, but allow linking to rust-demangle.Ted Mielczarek2016-10-255-0/+93
| | | | | | | | | | | | | | | | | The Rust compiler uses GCC C++ name mangling, but it has another layer of encoding so abi::cxa_demangle doesn't produce great results. This patch changes dump_syms to dump unmangled names by default so that consumers can demangle them after-the-fact. It also adds a tiny bit of support for linking against a Rust library I wrote that can demangle Rust symbols nicely: https://github.com/luser/rust-demangle-capi BUG= Change-Id: I63a425035ebb7ac516f067fed2aa782849ea9604 Reviewed-on: https://chromium-review.googlesource.com/402308 Reviewed-by: Mark Mentovai <mark@chromium.org>
* Fix dump_syms for C++ after 7398ce15b79dMark Mentovai2016-09-261-2/+2
| | | | | | Change-Id: Ifb56d41d8c5c6e766dee459157e1345553088e2a Reviewed-on: https://chromium-review.googlesource.com/389411 Reviewed-by: Ted Mielczarek <ted@mielczarek.org>
* Initial support for dumping DWARF corresponding to Swift codeMark Mentovai2016-09-236-33/+130
| | | | | | | | | | | | | | | | | | | | | | | | | | | The DWARF data for Swift code has a top-level DW_TAG_module DIE as the child of the DW_TAG_compile_unit DIE and the parent of the DW_TAG_subprogram DIEs that dump_syms uses to locate functions. dump_syms needs to process DW_TAG_module DIEs as introducing nested scopes to make it work with Swift. This also reworks demangling to be language-specific, so that the C++ demangler isn't invoked when processing Swift code. The DWARF data for Swift code presents its mangled names in the same form as used for C++ (DW_AT_MIPS_linkage_name or DW_AT_linkage_name) but the mangling is Swift-specific (beginning with _T instead of _Z). There is no programmatic interface to a Swift name demangler as an analogue to C++'s __cxa_demangle(), so mangled Swift names are exposed as-is. Xcode's "xcrun swift-demangle" can be used to post-process these mangled Swift names on macOS. Support for mangled names presented in a DW_AT_linkage_name attribute, as used by DWARF 4, is added. This supersedes the earlier use of DW_AT_MIPS_linkage_name. BUG=google-breakpad:702,google-breakpad:715 R=ted.mielczarek@gmail.com Review URL: https://codereview.chromium.org/2147523005 .
* Corrected some old references to mm files, which were renamed to cc files a ↵Ivan Penkov2016-09-011-1/+1
| | | | | | | | | | | | while ago. Patch provided by Thomas Schweitzer. BUG= Change-Id: I1721db8cab7774b433ff6703a0ddc1eab6620c0b Reviewed-on: https://chromium-review.googlesource.com/379898 Reviewed-by: Mark Mentovai <mark@chromium.org>
* This change allows compiling the google-breakpad code using a global ↵Ivan Penkov2016-08-302-4/+3
| | | | | | | | | | | | ::string class instead of std::string. For more details take a look at common/using_std_string.h BUG= Change-Id: I11f1ce697be23e13f12ea8f0468bbe02fa63c967 Reviewed-on: https://chromium-review.googlesource.com/378159 Reviewed-by: Mark Mentovai <mark@chromium.org>
* Revert "Don't define |r_debug| and |link_map| on Android releases 21 and later"Sylvain Defresne2016-08-101-21/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 0fc6d0c8dfbb6e4226fd79c622b701a62c901f14 because it does not compile in Chromium due to the following error: In file included from ../../breakpad/src/client/linux/minidump_writer/linux_dumper.h:43:0, from ../../breakpad/src/client/linux/minidump_writer/minidump_writer.h:41, from ../../breakpad/src/client/linux/handler/exception_handler.h:42, from ../../components/crash/content/app/breakpad_linux.cc:44: ../../breakpad/src/common/android/include/link.h:46:9: error: multi-line comment [-Werror=comment] #endif // !defined(__aarch64__) && !defined(__x86_64__) && \ ^ > Don't define |r_debug| and |link_map| on Android releases 21 and later > > NDKs for Android 21 and later have the data structures |r_debug| and > |link_map| defined in their header files. Defining them multiple times > generates a compiler error. > > This patch protects both data structures from definition on Android 21 > and later. > > BUG=629088 > R=rmcilroy@chromium.org > > Review URL: https://codereview.chromium.org/2156173002 . > > Patch from Thomas Zimmermann <tzimmermann@mozilla.com>. > > Committed: https://chromium.googlesource.com/breakpad/breakpad/+/0ebdc4a10a506e2a4a3a039c479b40219a84b760 BUG=629088 Change-Id: Ia8d7d0eff060d661113e544d732813820bcb69e0 Reviewed-on: https://chromium-review.googlesource.com/367717 Reviewed-by: Mark Mentovai <mark@chromium.org>
* Don't define |r_debug| and |link_map| on Android releases 21 and laterThomas Zimmermann2016-08-031-5/+21
| | | | | | | | | | | | | | | | | | NDKs for Android 21 and later have the data structures |r_debug| and |link_map| defined in their header files. Defining them multiple times generates a compiler error. This patch protects both data structures from definition on Android 21 and later. BUG=629088 R=rmcilroy@chromium.org Review URL: https://codereview.chromium.org/2156173002 . Patch from Thomas Zimmermann <tzimmermann@mozilla.com>. Committed: https://chromium.googlesource.com/breakpad/breakpad/+/0ebdc4a10a506e2a4a3a039c479b40219a84b760
* Revert "Don't define |r_debug| and |link_map| on Android releases 21 and later"Ross McIlroy2016-07-201-10/+2
| | | | | | | | | | | This reverts commit 0fc10739232ac803f7304d01522db6051c7454ff. Reason: breaks 64bit Android architectures. BUG=629088 R=primiano@chromium.org Review URL: https://codereview.chromium.org/2163923002 .
* Don't define |r_debug| and |link_map| on Android releases 21 and laterThomas Zimmermann2016-07-191-2/+10
| | | | | | | | | | | | | | | | NDKs for Android 21 and later have the data structures |r_debug| and |link_map| defined in their header files. Defining them multiple times generates a compiler error. This patch protects both data structures from definition on Android 21 and later. BUG=629088 R=rmcilroy@chromium.org Review URL: https://codereview.chromium.org/2156173002 . Patch from Thomas Zimmermann <tzimmermann@mozilla.com>.
* [Android] Guard some NDK workarounds by major version.John Budorick2016-07-151-1/+11
| | | | | | | BUG=599327 R=mark@chromium.org Review URL: https://codereview.chromium.org/2152153003 .
* linux-syscall-support: pull in latest versionMike Frysinger2016-06-142-18/+0
| | | | | | | | | The sys_mmap/sys_mmap2 weirdness has been cleaned up in lss now and there is only one API now for everyone -- sys_mmap. R=mseaborn@chromium.org Review URL: https://codereview.chromium.org/2065493006 .
* Dump INFO CODE_ID containing Build ID in Linux dump_symsTed Mielczarek2016-06-109-34/+125
| | | | | | | | | | | | | I'd like to have the Build ID available for our symbol server uploading, and this will make it easy. Most of this change is me rewriting dump_symbols_unittest to be typed tests so I could add a new test there. R=mark@chromium.org BUG= Review URL: https://codereview.chromium.org/2052263002 .
* [Android] Roll back to r10e.Primiano Tucci2016-06-061-5/+21
| | | | | | | | BUG=599327 R=primiano@chromium.org TBR=mark@chromium.org Review URL: https://codereview.chromium.org/2042873003 .
* [Android] Revert x86 workaround changes for NDK r11c.Primiano Tucci2016-06-061-0/+11
| | | | | | | | BUG=599327 R=primiano@chromium.org TBR=mark@chromium.org Review URL: https://codereview.chromium.org/2035343002 .
* [Android] Update breakpad to NDK r11c.Primiano Tucci2016-06-021-31/+4
| | | | | | | BUG=599327 R=mark@chromium.org, primiano@chromium.org Review URL: https://codereview.chromium.org/2025923003 .
* fix signed warning errors in unittestsMike Frysinger2016-05-261-12/+12
| | | | | | | | | | | | | | | | | | | | | | | A bunch of gtest assert statements fail due to signed warnings as unadorned constants are treated as signed integers. Mark them all unsigned to avoid that. One example (focus on the "[with ...]" blocks that show the types): In file included from src/breakpad_googletest_includes.h:33:0, from src/common/memory_unittest.cc:30: src/testing/gtest/include/gtest/gtest.h: In instantiation of 'testing::AssertionResult testing::internal::CmpHelperEQ(const char*, const char*, const T1&, const T2&) [with T1 = int; T2 = long unsigned int]': src/testing/gtest/include/gtest/gtest.h:1524:23: required from 'static testing::AssertionResult testing::internal::EqHelper<true>::Compare(const char*, const char*, const T1&, const T2&, typename testing::internal::EnableIf<(! testing::internal::is_pointer<T2>::value)>::type*) [with T1 = int; T2 = long unsigned int; typename testing::internal::EnableIf<(! testing::internal::is_pointer<T2>::value)>::type = void]' src/common/memory_unittest.cc:41:246: required from here src/testing/gtest/include/gtest/gtest.h:1448:16: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare] if (expected == actual) { ^ cc1plus: some warnings being treated as errors Makefile:5180: recipe for target 'src/common/src_client_linux_linux_client_unittest_shlib-memory_unittest.o' failed make[2]: *** [src/common/src_client_linux_linux_client_unittest_shlib-memory_unittest.o] Error 1 R=ted.mielczarek@gmail.com Review URL: https://codereview.chromium.org/2013893003 .
* elf_reader: drop unused zlib includeMike Frysinger2016-05-251-1/+3
| | | | | | | | | This breaks building for targets that don't include zlib. BUG=chromium:604440 R=ivanpe@chromium.org Review URL: https://codereview.chromium.org/2010803003 .
* use another elf.h inside the package for common/dwarf/elf_readerYunlian Jiang2016-05-181-1/+1
| | | | | | | | | | | | | | We tried to use common/android/include/elf.h, however it contains '#include-next elf.h' so it still breaks MAC build. So we use third_party/musl/include/elf.h instead. BUG=none TEST=make; make test passes. There is no '#include-next elf.h' in the new elf.h R=michaelbai@chromium.org Review URL: https://codereview.chromium.org/1994633003 .
* Use elf.h inside the package.Yunlian Jiang2016-05-181-1/+1
| | | | | | | | | | | | | MAC does not have elf.h, so use the elf.h inside the package instead of the one in the system. One failure example is https://codereview.chromium.org/1978803003/ TEST=make; make check BUG= R=michaelbai@chromium.org Review URL: https://codereview.chromium.org/1984713002 .
* Don't let PDBSourceLineWriter::GetSymbolFunctionName return empty function namesTed Mielczarek2016-05-161-0/+10
| | | | | | | | | | | | | | It's possible for `IDiaSymbol::get_name` to return S_OK and provide and empty string. I haven't figured out the exact root cause yet (the symbols in question are coming from the Rust standard library), but FUNC lines with missing function names break the processor and so we should never do it. This change makes it output "<name omitted>" which matches the behavior of the DWARF dumping code. R=mark@chromium.org BUG=https://bugzilla.mozilla.org/show_bug.cgi?id=1272278 Review URL: https://codereview.chromium.org/1985643004 .
* Replaced glibc version of elf.h with musl version of elf.h.Dave MacLachlan2016-05-122-16/+13
| | | | | | | | | Updated dump_syms xcode project and ran tests. BUG= R=vapier@chromium.org Review URL: https://codereview.chromium.org/1973113002 .
* Fixes up dump_syms build on OS X so it works with ELF.Dave MacLachlan2016-05-123-9/+21
| | | | | | | | | | | | | | | Adds elf.h header from glibc. Updates dwarf2reader.cc so it isn't comparing a unique_ptr against NULL. Moves from MacOS10.5 SDK to latest SDK for Xcode project. Moves from using gcc to clang for dump_syms tests. Disables warning about 'Missing Field In Structure Initializers' to temporarily work around https://bugs.chromium.org/p/google-breakpad/issues/detail?id=697. With this patch all tests form dump_syms pass again using Xcode 7.3 on Mac OS X 10.11. BUG= https://bugs.chromium.org/p/google-breakpad/issues/detail?id=696, https://bugs.chromium.org/p/google-breakpad/issues/detail?id=697 R=mark@chromium.org Review URL: https://codereview.chromium.org/1970903002 .
* Update to handle dsym files that end with a header.Dave MacLachlan2016-05-111-1/+3
| | | | | | | | | | dsym files generated by Xcode for swift (Xcode 7.3) end with a header, and the code did not handle that case. BUG=https://bugs.chromium.org/p/google-breakpad/issues/detail?id=689 R=ivanpe@chromium.org Review URL: https://codereview.chromium.org/1971793002 .
* breakpad: fix unittest errorsYunlian Jiang2016-05-041-2/+2
| | | | | | | | | | | This fixes the unittest error caused by https://codereview.chromium.org/1884283002/ TEST=unittest passes on falco board in ChromeOS. BUG= R=vapier@chromium.org Review URL: https://codereview.chromium.org/1952083002 .
* Add debug fission support.Yunlian Jiang2016-05-0410-105/+2183
| | | | | | | | | | | | | | | | | | | | | This added debug fission support. It tries to find the dwp file from the debug dir /usr/lib/debug/*/debug and read symbols from them. Most of this patch comes from https://critique.corp.google.com/#review/52048295 and some fixes after that. The elf_reader.cc comes from TOT google code. I just removed some google dependency. Current problems from this patch 1: Some type mismatch: from uint8_t * to char *. 2: Some hack to find the .dwp file. (replace .debug with .dwp) BUG=chromium:604440 R=dehao@google.com, ivanpe@chromium.org Review URL: https://codereview.chromium.org/1884283002 .
* macho: fix printf type mismatchesMike Frysinger2016-05-041-3/+3
| | | | | | | | | The %ld expects a long signed integer, but we're passing in a size_t. Use %zu which is an unsigned size_t type. R=ted.mielczarek@gmail.com Review URL: https://codereview.chromium.org/1951603002 .
* Add parentheses to silence clang warningPrimiano Tucci2016-05-031-1/+2
| | | | | | | | | | | | | | | | | | | | | crrev.com/1887033002 introuced a clang warning (see below). This fixes it, so that breakpad can be rolled in chrome, where warnings are always fatal. From: https://build.chromium.org/p/tryserver.chromium.android/builders/android_chromium_gn_compile_dbg/builds/59031/steps/compile%20%28with%20patch%29/logs/stdio FAILED: clang_x64/obj/breakpad/dump_syms/dwarf_cu_to_module.o ../../breakpad/src/common/dwarf_cu_to_module.cc:420:20: error: '&&' within '||' [-Werror,-Wlogical-op-parentheses] if (declaration_ && qualified_name || (unqualified_name && enclosing_name)) { ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~ ~~ ../../breakpad/src/common/dwarf_cu_to_module.cc:420:20: note: place parentheses around the '&&' expression to silence this warning if (declaration_ && qualified_name || (unqualified_name && enclosing_name)) { ^ ( ) R=mark@chromium.org, petrcermak@chromium.org Review URL: https://codereview.chromium.org/1928363002 .
* Remove GTM_ENABLE_LEAKS and GTMGarbageCollectionDave MacLachlan2016-04-211-72/+0
| | | | | | | | | Removes some archaic Google Toolbox For Mac features. BUG= R=ivanpe@chromium.org, mark@chromium.org Review URL: https://codereview.chromium.org/1912473002 .
* Fix DWARF handling of inlined functions in namespacesTed Mielczarek2016-04-142-9/+32
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently an inlined function in a namespace in DWARF will be given a name comprised of just `namespace::`. This is due to a logic error in ComputeQualifiedName, where it doesn't handle an empty `unqualified_name` properly. We apparently have a fair number of these in our Mac builds, an example of the DWARF that's being mishandled looks like: 0x117eda40: TAG_namespace [5] * AT_name( "js" ) AT_decl_file( "../../dist/include/js/Utility.h" ) AT_decl_line( 35 ) 0x11808500: TAG_subprogram [251] * AT_low_pc( 0x0000000002f12110 ) AT_high_pc( 0x0000000002f1216b ) AT_APPLE_omit_frame_ptr( 0x01 ) AT_frame_base( rsp ) AT_abstract_origin( {0x0000000011800a4f}"_ZN2js40TraceManuallyBarrieredGenericPointerEdgeEP8JSTracerPPNS_2gc4CellEPKc" ) AT_MIPS_linkage_name( "_ZN2js40TraceManuallyBarrieredGenericPointerEdgeEP8JSTracerPPNS_2gc4CellEPKc" ) AT_name( "TraceManuallyBarrieredGenericPointerEdge" ) AT_decl_file( "/builds/slave/rel-m-rel-m64_bld-000000000000/build/js/src/gc/Marking.cpp" ) AT_decl_line( 547 ) AT_external( 0x01 ) AT_APPLE_optimized( 0x01 ) AT_inline( DW_INL_inlined ) This turned a few instances of this in the file I was testing on into `<name omitted>`, which seems to just be a symptom of the "DW_AT_abstract_origin comes later in the file" issue. (Which is probably also worth fixing given that it occurs some 29k times when dumping symbols from Firefox's XUL binary, but it's a separate issue.) R=mark@chromium.org BUG= Review URL: https://codereview.chromium.org/1887033002 .
* tweak IGNORE_RET behavior a bitMike Frysinger2016-04-111-1/+1
| | | | | | | | | | GCC will still warn about unused return value with the form: if (write(...)); Instead, change the semi-colon to an empty set of braces. BUG=chromium:428478 TEST=build+test still works
* Added an option (-i) to have dump_syms output header information only.David Yen2016-04-084-72/+158
| | | | | | | | | | | | | | | | | It is often helpful to check if a particular symbol file dumped by dump_syms actually matches a version of a binary file we have. The symbol output contains an ID which can be used to see if it matches the binary file. Unfortunately, this ID is internally calculated and not a standard hash of the binary file. Being able to output the header information only will allow users to determine whether their symbol file is up to date or not. R=jochen@chromium.org BUG=561447 Review URL: https://codereview.chromium.org/1864823002 . Patch from David Yen <dyen@chromium.org>.
* Rename stdio.h wrapper file to stdio_wrapper.h.Yunxiao Ma2016-04-051-3/+3
| | | | | | | | | | | | | | | | | | | | Some projects will get build break because the comipler is confused when searches for the standard stdio.h. Rename the wrapper file to avoid that. renamed: src/common/stdio.h -> src/common/stdio_wrapper.h modified: src/processor/minidump.cc modified: src/processor/dump_context.cc modified: src/processor/logging.cc modified: src/processor/minidump.cc modified: src/processor/minidump_processor.cc modified: src/processor/stackwalk_common.cc modified: src/processor/symbolic_constants_win.cc R=mark@chromium.org, labath@google.com Review URL: https://codereview.chromium.org/1864603002 . Patch from Yunxiao Ma <yxma@google.com>.
* Switch the Linux minidump writer to use MDCVInfoELF for CV data.Ted Mielczarek2016-04-056-133/+259
| | | | | | | | | | | | | | | | | | | | | | | | | | This preserves full build ids in minidumps, which are useful for tracking down the right version of system libraries from Linux distributions. The default build id produced by GNU binutils' ld is a 160-bit SHA-1 hash of some parts of the binary, which is exactly 20 bytes: https://sourceware.org/binutils/docs-2.26/ld/Options.html#index-g_t_002d_002dbuild_002did-292 The bulk of the changes here are to change the signatures of the FileID methods to use a wasteful_vector instead of raw pointers, since build ids can be of arbitrary length. The previous change that added support for this in the processor code preserved the return value of `Minidump::debug_identifier()` as the current `GUID+age` treatment for backwards-compatibility, and exposed the full build id from `Minidump::code_identifier()`, which was previously stubbed out for Linux dumps. This change keeps the debug ID in the `dump_syms` output the same to match. R=mark@chromium.org, thestig@chromium.org BUG= Review URL: https://codereview.chromium.org/1688743002 .
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