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* Allow compiling the google-breakpad code using a global ::string class ↵Ivan Penkov2016-11-0811-15/+16
| | | | | | | | | | | | 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>
* minidump-2-core: add more control over filenamesMike Frysinger2016-11-011-24/+93
| | | | | | | | | | | | | | | | | The code has been rewriting the location of the shared lib lookup completely which breaks normal sysroot usage with gdb. Split out the behavior into dedicated flags so people can opt into it. You can see examples of -i/-f in the usage() text. We also change the -S behavior so that it's no longer enabled by default -- if people want /var/lib/breakpad/, they can pass the -S flag explicitly. BUG=chromium:598947 Change-Id: Ic81726c27b4ad6c271c70696f2ac62798f07ccfb Reviewed-on: https://chromium-review.googlesource.com/402909 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>
* Generate reason for bad function table exceptionMike Wittman2016-10-272-0/+5
| | | | | | | | | | This exception is being seen in Chrome during stack unwinding. BUG= Change-Id: Ica3f721ca605dff835ffc3814c60bab9f6f9b192 Reviewed-on: https://chromium-review.googlesource.com/404332 Reviewed-by: Mark Mentovai <mark@chromium.org>
* minidump-2-core: add an -o flag for controlling core outputMike Frysinger2016-10-261-24/+46
| | | | | | | | | | | Always writing to stdout makes it hard to debug, and hard to use in some script environments. Add an explicit -o flag to make it easier. BUG=chromium:598947 Change-Id: I79667d033c8bdc8412d3a44fe3557d65f704968f Reviewed-on: https://chromium-review.googlesource.com/403988 Reviewed-by: Mark Mentovai <mark@chromium.org>
* minidump-2-core: rewrite argument processingMike Frysinger2016-10-261-85/+134
| | | | | | | | | | | | | | | | This uses the same general framework as other minidump tools by using getopt to parse command line options, and then passing the parsed state around as a struct rather than via globals. This does change the --sobasedir flag to -S because we don't support getopt_long anywhere in the tree. Unfortunate, but better to match all the other breakpad tools which only accept short options. BUG=chromium:598947 Change-Id: I473081a29a8e3ef07a370848343f1a9e6681fd4e Reviewed-on: https://chromium-review.googlesource.com/402908 Reviewed-by: Mark Mentovai <mark@chromium.org>
* Don't demangle Rust symbols by default, but allow linking to rust-demangle.Ted Mielczarek2016-10-259-54/+551
| | | | | | | | | | | | | | | | | 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 iterating over the MDXStateFeature entries on 32-bit hostsGabriele Svelto2016-10-181-1/+1
| | | | | | | | | | | On 32-bit hosts the new code for dumping version 5 of the MDRawMiscInfo structure uses a 32-bit left shift to select flags corresponding to the entries in the MDXStateFeature array. Since the array is made of 64 element this automatically skipped half of it. Change-Id: Ic4e3beaf6c56083524b33da9a396c14eec0d2bd2 Reviewed-on: https://chromium-review.googlesource.com/396107 Reviewed-by: Ted Mielczarek <ted@mielczarek.org>
* Also treat DBG_PRINTEXCEPTION* as debug exceptionsTim Angus2016-10-181-1/+3
| | | | | | | | | | | | | Windows 10 now raises an exception when OutputDebugString* are called: (https://ntquery.wordpress.com/2015/09/07/windows-10-new-anti-debug-outputdebugstringw/) This change ignores these exception types such that they're not falsely identified as a crash. BUG= Change-Id: I1326212662d46e16407681d5ea6377f63ee188ce Reviewed-on: https://chromium-review.googlesource.com/398998 Reviewed-by: Mark Mentovai <mark@chromium.org>
* Provide initial EBX value to FPO frame data evaluatorScott Graham2016-10-142-6/+153
| | | | | | | | | | | | | EBX is sometimes used in "WIN FRAME 4" programs. Not providing the initial value was causing the evaluation in some frames of ntdll, resulting in a fallback to scanning and a failed stack walk. R=mark@chromium.org BUG=chromium:651453 Change-Id: I94a8184e1eed72b0d0e3212fe323fbdd10d56da5 Reviewed-on: https://chromium-review.googlesource.com/398059 Reviewed-by: Mark Mentovai <mark@chromium.org>
* Don't call _exit() on iOS.Justin Cohen2016-10-131-0/+5
| | | | | | | | | | | | | Calling _exit() is something iOS inherited from Mac OS X Breakpad, and isn't necessary on iOS. This is necessary because recently iOS has started re-launching the application if breakpad catches a startup crash and calls exit during startup. BUG=chromium:645146 Change-Id: Ibb5a681282a886259424655aa8506a80a1fd4f4c Reviewed-on: https://chromium-review.googlesource.com/397058 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 .
* generate a repo manifest from the DEPS fileMike Frysinger2016-09-214-0/+226
| | | | | | | | | | This allows people to use repo to manage the checkout instead of gclient. This helps when you're used to the standard repo+gerrit workflow that the Android & Chromium OS projects use. Change-Id: I8b720e7995af2a1a8c9ce2ee9aa6c2638441b4a1 Reviewed-on: https://chromium-review.googlesource.com/379736 Reviewed-by: Mark Mentovai <mark@chromium.org>
* Fix a win32 build error by moving a #include out of an #ifndef _WIN32Ted Mielczarek2016-09-201-1/+2
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* Fixing the Xcode project for the Breakpad Mac crash reporter.Ivan Penkov2016-09-022-9/+23
| | | | | | | | | | | | Added new files elf_reader and corrected the references to dump_syms. Also some corrections to be able to build using a newer Xcode and SDK version (tested with Xcode 7.3, SDK 10.11). Patch provided by Thomas Schweitzer. BUG= Change-Id: I18bd3f8ce0c1d0ceb737aee2fa8305adfcc83139 Reviewed-on: https://chromium-review.googlesource.com/377746 Reviewed-by: Mark Mentovai <mark@chromium.org>
* Corrected some old references to mm files, which were renamed to cc files a ↵Ivan Penkov2016-09-012-5/+5
| | | | | | | | | | | | 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>
* add new dmp file to distMike Frysinger2016-09-012-0/+2
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* This change allows compiling the google-breakpad code using a global ↵Ivan Penkov2016-08-307-31/+34
| | | | | | | | | | | | ::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>
* Fixing some casts in order to be able to build with new Xcode and SDK ↵Ivan Penkov2016-08-302-4/+8
| | | | | | | | | | | | versions (tested with Xcode 7.3, SDK 10.11). Patch provided by Thomas Schweitzer. BUG= Change-Id: Ib35cdf766e73e4936e66f75474d83c2602f8ceb4 Reviewed-on: https://chromium-review.googlesource.com/378059 Reviewed-by: Mark Mentovai <mark@chromium.org>
* Updating ExploitabilityLinux to check memory mapping names against a prefixBen Scarlato2016-08-293-8/+15
| | | | | | | | | | | instead of a specific name. This will prevent false positives on systems which use a format such as “[stack:69616]” for stack memory mapping names. Change-Id: I51aeda2fe856c1f37f0d18ac06cce69fec2fffa2 Reviewed-on: https://chromium-review.googlesource.com/377086 Reviewed-by: Mike Frysinger <vapier@chromium.org>
* Fix breakpad compilation issue with clang on WindowsRafal Chlodnicki2016-08-251-6/+4
| | | | | | | | | | | | | | Fix unused variable error. Code that uses the kWaitForHandlerThreadMs constant is inside and ifdef so in some compile configurations constant was unused. Move it where it's used. And do the same with other constants as requested during review. BUG= Change-Id: I4f4c8f36c982092d53438ed6d2a0a97772402d69 Reviewed-on: https://chromium-review.googlesource.com/374378 Reviewed-by: Mark Mentovai <mark@chromium.org>
* Update MDRawMiscInfo to support version 5 of the MINIDUMP_MISC_INFO_N structure.Gabriele Svelto2016-08-192-9/+139
| | | | | | | | The routines used to read from the structure were also modified to accomodate for unknown future versions by skipping over the unsupported part instead of failing. R=ted.mielczarek@gmail.com Review URL: https://codereview.chromium.org/2109063004/ .
* 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>
* Fail with a proper error message if input file is not found.Sylvain Defresne2016-08-091-0/+21
| | | | | | | | | | | | | | | | | | | Previously, if the input file was missing, the symupload tool on Mac would happily process, try to parse it (calling a method on nil) and fail when trying to create the payload to send to the server as one of the method raised a NSInvalidArgumentException when receiving a nil value. Change to code to instead check the file for existence which makes it easier to understand what is happening when part of the build system is misconfigured and invoke symupload without first creating the symbol file. BUG=449348 Change-Id: Icc0f08958114da4be0cbbd7a7c2aeef905bc0db1 Reviewed-on: https://chromium-review.googlesource.com/367260 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
* Switch to Gerrit for code reviewsAndrew Bonventre2016-07-272-7/+7
| | | | | | | | BUG=629128 Change-Id: I687659d9fc78ed31dcd3be3b9268f30c17dd9c01 Reviewed-on: https://chromium-review.googlesource.com/362370 Reviewed-by: Mark Mentovai <mark@chromium.org>
* Test GerritMark Mentovai2016-07-251-2/+2
| | | | | | Change-Id: If335bec0a5079dececc0452b88a77d80f775ea97 Reviewed-on: https://chromium-review.googlesource.com/362660 Reviewed-by: Will Harris <wfh@chromium.org>
* Add Breakpad codereview.settings entry for GerritAaron Gable2016-07-211-1/+1
| | | | | | | R=mark@chromium.org BUG=629864 Review URL: https://codereview.chromium.org/2166193003 .
* Remove DISALLOW_COPY_AND_ASSIGN from MinidumpStreamInfoMark Mentovai2016-07-201-3/+0
| | | | | | | | | | | | | | | DISALLOW_COPY_AND_ASSIGN was inadvertently added to Minidump::MinidumpStreamInfo in f04a010f71f6, but this class is used as the value side of the Minidump::stream_map_ map and must be copyable (with an old enough C++ library). This broke: https://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_chromeos_rel_ng/builds/247141/steps/compile%20%28with%20patch%29/logs/stdio TBR=ivanpe@chromium.org Review URL: https://codereview.chromium.org/2158423003 .
* 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 .
* Add new exception code for OOM generated from Chromium.Will Harris2016-07-192-0/+6
| | | | | | | | | See also https://codereview.chromium.org/2130293003/ for Chromium-side change and go/internal_cl_for_2130293003 for internal change. BUG=chromium:614440 R=mark@chromium.org Review URL: https://codereview.chromium.org/2160373002 .
* Add process type to MicroDumpExtraInfoPrimiano Tucci2016-07-192-1/+16
| | | | | | | BUG=616774 R=primiano@chromium.org, torne@chromium.org Review URL: https://codereview.chromium.org/2087413002 .
* 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>.
* Recover memory mappings before writing dump on ChromeOSTing-Yuan (Leo) Huang2016-07-181-0/+172
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | On Linux, breakpad relies on /proc/[pid]/maps to associate symbols from addresses. ChromeOS' hugepage implementation replaces some segments with anonymous private pages, which is a restriction of current implementation in Linux kernel at the time of writing. Thus, breakpad can no longer symbolize addresses from those text segments replaced by hugepages. This patch tries to recover the mappings. Because hugepages are always inserted in between some .text sections, it tries to infer the names and offsets of the segments, by looking at segments immediately precede and succeed them. For example, a text segment before hugepage optimization 02001000-03002000 r-xp /opt/google/chrome/chrome can be broken into 02001000-02200000 r-xp /opt/google/chrome/chrome 02200000-03000000 r-xp 03000000-03002000 r-xp /opt/google/chrome/chrome BUG=crbug.com/628040 R=mark@chromium.org Review URL: https://codereview.chromium.org/2161713002 . Patch from Ting-Yuan (Leo) Huang <laszio@chromium.org>.
* [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 .
* Add a new argument to specify the minidump type to write on Windows.Ting-Yu Chou2016-06-292-6/+10
| | | | | | | R=ted.mielczarek@gmail.com BUG=https://bugzilla.mozilla.org/show_bug.cgi?id=1267329 Review URL: https://codereview.chromium.org/2107083002/ .
* travis: note misbehavior by coverity addon when throttledMike Frysinger2016-06-241-0/+2
| | | | | Example here: https://travis-ci.org/libgd/libgd/builds/139971212 The last line in the log is just the throttle notice.
* travis: move configure step to the prepare phaseMike Frysinger2016-06-241-2/+2
| | | | The main command is more strict in that it has to be a single command.
* travis: make build scripts use bashMike Frysinger2016-06-222-2/+2
| | | | | These are development scripts, so no need for them to be fast or super portable. Switch them to bash rather than POSIX shell.
* travis: fix cwd when running testsMike Frysinger2016-06-211-1/+2
| | | | | Make sure we don't go messing with the cwd when running different tests. This way we can always assume we start in the top level source dir.
* travis: tweak coverity build commandMike Frysinger2016-06-211-1/+1
| | | | The `build` shell func isn't in scope of the coverity shell script.
* travis: add coverity scan integrationMike Frysinger2016-06-213-1/+34
| | | | | | R=ted.mielczarek@gmail.com Review URL: https://codereview.chromium.org/2078283002 .
* Server-side workaround to handle overlapping modules.Ivan Penkov2016-06-2018-39/+239
| | | | | | | | | | | | | | This change is resolving an issue that was caused by the combination of: - Android system libraries being relro packed in N+. - Breakpad dealing with relro packed libraries in a hack way. This is a fix for http://crbug/611824. I also found an use-after-free issue (bug in Minidump::SeekToStreamType). I disallowed the MinidumpStreamInfo copy and assign constructors and the compiler detected another similar issue in Minidump::Print. Then I disabled the copy and assign constructors for most classes in minidump.h (just in case). There are a couple of classes where I couldn't disallow them (since assign is used). This will require a small refactor so I left it out of this CL. R=mark@chromium.org Review URL: https://codereview.chromium.org/2060663002 .
* linux-syscall-support: pull in latest versionMike Frysinger2016-06-143-19/+1
| | | | | | | | | 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 .
* Fix a trivial parsing bug caught by static analysisNicholas Nethercote2016-06-101-1/+1
| | | | R=ted
* Update symbol file documentation links.Ralph Giles2016-06-104-4/+4
| | | | | | | These locations have changed since the move from Google Code. R=ted.mielczarek@gmail.com BUG=https://bugzilla.mozilla.org/show_bug.cgi?id=1275630
* linux/android: add SIGTRAP to the list of signals handled by the clientPrimiano Tucci2016-06-081-1/+1
| | | | | | | | | | | | | __builtin_trap() causes a SIGTRAP on arm64 (at least with GCC 4.9). SIGTRAP is not handled by breakpad, causing crashes induced by __builtin_trap() to be missed. Note that on x86 and arm, instead, __builtin_trap() raises a SIGILL, which is already handled by breakapd. BUG=chromium:614865 R=vapier@chromium.org Review URL: https://codereview.chromium.org/2042853002 .
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