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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /tools/crashreporter/injector/injector.cc | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/crashreporter/injector/injector.cc')
-rw-r--r-- | tools/crashreporter/injector/injector.cc | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/tools/crashreporter/injector/injector.cc b/tools/crashreporter/injector/injector.cc new file mode 100644 index 0000000000..eeb74038c8 --- /dev/null +++ b/tools/crashreporter/injector/injector.cc @@ -0,0 +1,40 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "linux/handler/exception_handler.h" + +using google_breakpad::ExceptionHandler; + +static ExceptionHandler* gExceptionHandler = nullptr; + +// Flag saying whether to generate a minidump. Can be (probably temporarily) set +// to false when a crash is expected. +bool __attribute__((visibility("default"))) gBreakpadInjectorEnabled = true; + +bool TestEnabled(void* /* context */) { return gBreakpadInjectorEnabled; } + +bool SetGlobalExceptionHandler( + ExceptionHandler::FilterCallback filterCallback, + ExceptionHandler::MinidumpCallback minidumpCallback) { + const char* tempPath = getenv("TMPDIR"); + if (!tempPath) tempPath = "/tmp"; + + google_breakpad::MinidumpDescriptor descriptor(tempPath); + + gExceptionHandler = new ExceptionHandler(descriptor, filterCallback, + minidumpCallback, nullptr, true, -1); + if (!gExceptionHandler) return false; + + return true; +} + +// Called when loading the DLL (eg via LD_PRELOAD, or the JS shell --dll +// option). +void __attribute__((constructor)) SetBreakpadExceptionHandler() { + if (gExceptionHandler) abort(); + + if (!SetGlobalExceptionHandler(TestEnabled, nullptr)) abort(); + + if (!gExceptionHandler) abort(); +} |