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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /xpcom/base/nsDebugImpl.cpp
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'xpcom/base/nsDebugImpl.cpp')
-rw-r--r--xpcom/base/nsDebugImpl.cpp675
1 files changed, 675 insertions, 0 deletions
diff --git a/xpcom/base/nsDebugImpl.cpp b/xpcom/base/nsDebugImpl.cpp
new file mode 100644
index 0000000000..4023efd0ec
--- /dev/null
+++ b/xpcom/base/nsDebugImpl.cpp
@@ -0,0 +1,675 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+// Chromium headers must come before Mozilla headers.
+#include "base/process_util.h"
+
+#include "mozilla/Atomics.h"
+#include "mozilla/IntentionalCrash.h"
+#include "mozilla/Printf.h"
+#include "mozilla/ProfilerMarkers.h"
+
+#include "MainThreadUtils.h"
+#include "nsDebugImpl.h"
+#include "nsDebug.h"
+#include "nsExceptionHandler.h"
+#include "nsString.h"
+#include "nsXULAppAPI.h"
+#include "prerror.h"
+#include "prerr.h"
+#include "prenv.h"
+
+#ifdef ANDROID
+# include <android/log.h>
+#endif
+
+#ifdef _WIN32
+/* for getenv() */
+# include <stdlib.h>
+#endif
+
+#include "mozilla/StackWalk.h"
+
+#if defined(XP_UNIX)
+# include <signal.h>
+#endif
+
+#if defined(XP_WIN)
+# include <tchar.h>
+# include "nsString.h"
+#endif
+
+#if defined(XP_MACOSX) || defined(__DragonFly__) || defined(__FreeBSD__) || \
+ defined(__NetBSD__) || defined(__OpenBSD__)
+# include <stdbool.h>
+# include <unistd.h>
+# include <sys/param.h>
+# include <sys/sysctl.h>
+#endif
+
+#if defined(__OpenBSD__)
+# include <sys/proc.h>
+#endif
+
+#if defined(__DragonFly__) || defined(__FreeBSD__)
+# include <sys/user.h>
+#endif
+
+#if defined(__NetBSD__)
+# undef KERN_PROC
+# define KERN_PROC KERN_PROC2
+# define KINFO_PROC struct kinfo_proc2
+#else
+# define KINFO_PROC struct kinfo_proc
+#endif
+
+#if defined(XP_MACOSX)
+# define KP_FLAGS kp_proc.p_flag
+#elif defined(__DragonFly__)
+# define KP_FLAGS kp_flags
+#elif defined(__FreeBSD__)
+# define KP_FLAGS ki_flag
+#elif defined(__OpenBSD__) && !defined(_P_TRACED)
+# define KP_FLAGS p_psflags
+# define P_TRACED PS_TRACED
+#else
+# define KP_FLAGS p_flag
+#endif
+
+static void Abort(const char* aMsg);
+
+static void RealBreak();
+
+static void Break(const char* aMsg);
+
+#if defined(_WIN32)
+# include <windows.h>
+# include <signal.h>
+# include <malloc.h> // for _alloca
+#endif
+
+using namespace mozilla;
+
+static const char* sMultiprocessDescription = nullptr;
+
+static Atomic<int32_t> gAssertionCount;
+
+NS_IMPL_QUERY_INTERFACE(nsDebugImpl, nsIDebug2)
+
+NS_IMETHODIMP_(MozExternalRefCountType)
+nsDebugImpl::AddRef() { return 2; }
+
+NS_IMETHODIMP_(MozExternalRefCountType)
+nsDebugImpl::Release() { return 1; }
+
+NS_IMETHODIMP
+nsDebugImpl::Assertion(const char* aStr, const char* aExpr, const char* aFile,
+ int32_t aLine) {
+ NS_DebugBreak(NS_DEBUG_ASSERTION, aStr, aExpr, aFile, aLine);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDebugImpl::Warning(const char* aStr, const char* aFile, int32_t aLine) {
+ NS_DebugBreak(NS_DEBUG_WARNING, aStr, nullptr, aFile, aLine);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDebugImpl::Break(const char* aFile, int32_t aLine) {
+ NS_DebugBreak(NS_DEBUG_BREAK, nullptr, nullptr, aFile, aLine);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDebugImpl::Abort(const char* aFile, int32_t aLine) {
+ NS_DebugBreak(NS_DEBUG_ABORT, nullptr, nullptr, aFile, aLine);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDebugImpl::CrashWithOOM() {
+ NS_ABORT_OOM(-1);
+ return NS_OK;
+}
+
+// From toolkit/library/rust/lib.rs
+extern "C" void intentional_panic(const char* message);
+
+NS_IMETHODIMP
+nsDebugImpl::RustPanic(const char* aMessage) {
+ intentional_panic(aMessage);
+ return NS_OK;
+}
+
+// From toolkit/library/rust/lib.rs
+extern "C" void debug_log(const char* target, const char* message);
+
+NS_IMETHODIMP
+nsDebugImpl::RustLog(const char* aTarget, const char* aMessage) {
+ debug_log(aTarget, aMessage);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDebugImpl::GetIsDebugBuild(bool* aResult) {
+#ifdef DEBUG
+ *aResult = true;
+#else
+ *aResult = false;
+#endif
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDebugImpl::GetAssertionCount(int32_t* aResult) {
+ *aResult = gAssertionCount;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+nsDebugImpl::GetIsDebuggerAttached(bool* aResult) {
+ *aResult = false;
+
+#if defined(__OpenBSD__) && defined(MOZ_SANDBOX)
+ // no access to KERN_PROC_PID sysctl when pledge'd
+ return NS_OK;
+#endif
+#if defined(XP_WIN)
+ *aResult = ::IsDebuggerPresent();
+#elif defined(XP_MACOSX) || defined(__DragonFly__) || defined(__FreeBSD__) || \
+ defined(__NetBSD__) || defined(__OpenBSD__)
+ // Specify the info we're looking for
+ int mib[] = {
+ CTL_KERN,
+ KERN_PROC,
+ KERN_PROC_PID,
+ getpid(),
+# if defined(__NetBSD__) || defined(__OpenBSD__)
+ sizeof(KINFO_PROC),
+ 1,
+# endif
+ };
+ u_int mibSize = sizeof(mib) / sizeof(int);
+
+ KINFO_PROC info;
+ size_t infoSize = sizeof(info);
+ memset(&info, 0, infoSize);
+
+ if (sysctl(mib, mibSize, &info, &infoSize, nullptr, 0)) {
+ // if the call fails, default to false
+ *aResult = false;
+ return NS_OK;
+ }
+
+ if (info.KP_FLAGS & P_TRACED) {
+ *aResult = true;
+ }
+#endif
+
+ return NS_OK;
+}
+
+/* static */
+void nsDebugImpl::SetMultiprocessMode(const char* aDesc) {
+ sMultiprocessDescription = aDesc;
+}
+
+/* static */ const char* nsDebugImpl::GetMultiprocessMode() {
+ return sMultiprocessDescription;
+}
+
+/**
+ * Implementation of the nsDebug methods. Note that this code is
+ * always compiled in, in case some other module that uses it is
+ * compiled with debugging even if this library is not.
+ */
+enum nsAssertBehavior {
+ NS_ASSERT_UNINITIALIZED,
+ NS_ASSERT_WARN,
+ NS_ASSERT_SUSPEND,
+ NS_ASSERT_STACK,
+ NS_ASSERT_TRAP,
+ NS_ASSERT_ABORT,
+ NS_ASSERT_STACK_AND_ABORT
+};
+
+static nsAssertBehavior GetAssertBehavior() {
+ static nsAssertBehavior gAssertBehavior = NS_ASSERT_UNINITIALIZED;
+ if (gAssertBehavior != NS_ASSERT_UNINITIALIZED) {
+ return gAssertBehavior;
+ }
+
+ gAssertBehavior = NS_ASSERT_WARN;
+
+ const char* assertString = PR_GetEnv("XPCOM_DEBUG_BREAK");
+ if (!assertString || !*assertString) {
+ return gAssertBehavior;
+ }
+ if (!strcmp(assertString, "warn")) {
+ return gAssertBehavior = NS_ASSERT_WARN;
+ }
+ if (!strcmp(assertString, "suspend")) {
+ return gAssertBehavior = NS_ASSERT_SUSPEND;
+ }
+ if (!strcmp(assertString, "stack")) {
+ return gAssertBehavior = NS_ASSERT_STACK;
+ }
+ if (!strcmp(assertString, "abort")) {
+ return gAssertBehavior = NS_ASSERT_ABORT;
+ }
+ if (!strcmp(assertString, "trap") || !strcmp(assertString, "break")) {
+ return gAssertBehavior = NS_ASSERT_TRAP;
+ }
+ if (!strcmp(assertString, "stack-and-abort")) {
+ return gAssertBehavior = NS_ASSERT_STACK_AND_ABORT;
+ }
+
+ fprintf(stderr, "Unrecognized value of XPCOM_DEBUG_BREAK\n");
+ return gAssertBehavior;
+}
+
+struct FixedBuffer final : public mozilla::PrintfTarget {
+ FixedBuffer() : curlen(0) { buffer[0] = '\0'; }
+
+ char buffer[764];
+ uint32_t curlen;
+
+ bool append(const char* sp, size_t len) override;
+};
+
+bool FixedBuffer::append(const char* aBuf, size_t aLen) {
+ if (!aLen) {
+ return true;
+ }
+
+ if (curlen + aLen >= sizeof(buffer)) {
+ aLen = sizeof(buffer) - curlen - 1;
+ }
+
+ if (aLen) {
+ memcpy(buffer + curlen, aBuf, aLen);
+ curlen += aLen;
+ buffer[curlen] = '\0';
+ }
+
+ return true;
+}
+
+namespace geckoprofiler::markers {
+
+struct DebugBreakMarker {
+ static constexpr Span<const char> MarkerTypeName() {
+ return MakeStringSpan("DebugBreak");
+ }
+ static void StreamJSONMarkerData(baseprofiler::SpliceableJSONWriter& aWriter,
+ uint32_t aSeverity,
+ const ProfilerString8View& aStr,
+ const ProfilerString8View& aExpr,
+ const ProfilerString8View& aFile,
+ int32_t aLine) {
+ nsAutoCString sevString("WARNING");
+ switch (aSeverity) {
+ case NS_DEBUG_ASSERTION:
+ sevString = "ASSERTION";
+ break;
+
+ case NS_DEBUG_BREAK:
+ sevString = "BREAK";
+ break;
+
+ case NS_DEBUG_ABORT:
+ sevString = "ABORT";
+ break;
+ }
+ aWriter.StringProperty("Severity", sevString);
+ // The 'name' property is searchable on the front-end.
+ if (aStr.Length() != 0) {
+ aWriter.StringProperty("Message", aStr);
+ aWriter.StringProperty("name", aStr);
+ } else if (aExpr.Length() != 0) {
+ aWriter.StringProperty("name", aExpr);
+ }
+ if (aExpr.Length() != 0) {
+ aWriter.StringProperty("Expression", aExpr);
+ }
+ if (aFile.Length() != 0) {
+ aWriter.StringProperty("File", aFile);
+ }
+ if (aLine != 0) {
+ aWriter.IntProperty("Line", aLine);
+ }
+ }
+ static MarkerSchema MarkerTypeDisplay() {
+ using MS = MarkerSchema;
+ MS schema{MS::Location::TimelineOverview, MS::Location::MarkerChart,
+ MS::Location::MarkerTable};
+ schema.SetAllLabels("{marker.data.Severity}: {marker.data.name}");
+ schema.AddKeyFormat("Message", MS::Format::String);
+ schema.AddKeyFormat("Severity", MS::Format::String);
+ schema.AddKeyFormat("Expression", MS::Format::String);
+ schema.AddKeyFormat("File", MS::Format::String);
+ schema.AddKeyFormat("Line", MS::Format::Integer);
+ return schema;
+ }
+};
+
+} // namespace geckoprofiler::markers
+
+EXPORT_XPCOM_API(void)
+NS_DebugBreak(uint32_t aSeverity, const char* aStr, const char* aExpr,
+ const char* aFile, int32_t aLine) {
+ FixedBuffer nonPIDBuf;
+ FixedBuffer buf;
+ const char* sevString = "WARNING";
+
+ switch (aSeverity) {
+ case NS_DEBUG_ASSERTION:
+ sevString = "###!!! ASSERTION";
+ break;
+
+ case NS_DEBUG_BREAK:
+ sevString = "###!!! BREAK";
+ break;
+
+ case NS_DEBUG_ABORT:
+ sevString = "###!!! ABORT";
+ break;
+
+ default:
+ aSeverity = NS_DEBUG_WARNING;
+ }
+
+ nonPIDBuf.print("%s: ", sevString);
+ if (aStr) {
+ nonPIDBuf.print("%s: ", aStr);
+ }
+ if (aExpr) {
+ nonPIDBuf.print("'%s', ", aExpr);
+ }
+ if (aFile || aLine != -1) {
+ nonPIDBuf.print("file %s:%d", aFile ? aFile : "<unknown>",
+ aLine != -1 ? aLine : 0);
+ }
+
+ // Print "[PID]" or "[Desc PID]" at the beginning of the message.
+ buf.print("[");
+ if (sMultiprocessDescription) {
+ buf.print("%s ", sMultiprocessDescription);
+ }
+
+ bool isMainthread = (NS_IsMainThreadTLSInitialized() && NS_IsMainThread());
+ PRThread* currentThread = PR_GetCurrentThread();
+ const char* currentThreadName =
+ isMainthread ? "Main Thread" : PR_GetThreadName(currentThread);
+ if (currentThreadName) {
+ buf.print("%" PRIPID ", %s] %s", base::GetCurrentProcId(),
+ currentThreadName, nonPIDBuf.buffer);
+ } else {
+ buf.print("%" PRIPID ", Unnamed thread %p] %s", base::GetCurrentProcId(),
+ currentThread, nonPIDBuf.buffer);
+ }
+
+ // errors on platforms without a debugdlg ring a bell on stderr
+#if !defined(XP_WIN)
+ if (aSeverity != NS_DEBUG_WARNING) {
+ fprintf(stderr, "\07");
+ }
+#endif
+
+#ifdef ANDROID
+ __android_log_print(ANDROID_LOG_INFO, "Gecko", "%s", buf.buffer);
+#endif
+
+ PROFILER_MARKER("NS_DebugBreak", OTHER, MarkerStack::Capture(),
+ DebugBreakMarker, aSeverity,
+ ProfilerString8View::WrapNullTerminatedString(aStr),
+ ProfilerString8View::WrapNullTerminatedString(aExpr),
+ ProfilerString8View::WrapNullTerminatedString(aFile), aLine);
+
+ // Write the message to stderr unless it's a warning and MOZ_IGNORE_WARNINGS
+ // is set.
+ if (!(PR_GetEnv("MOZ_IGNORE_WARNINGS") && aSeverity == NS_DEBUG_WARNING)) {
+ fprintf(stderr, "%s\n", buf.buffer);
+ fflush(stderr);
+ }
+
+ switch (aSeverity) {
+ case NS_DEBUG_WARNING:
+ return;
+
+ case NS_DEBUG_BREAK:
+ Break(buf.buffer);
+ return;
+
+ case NS_DEBUG_ABORT: {
+ // Updating crash annotations in the child causes us to do IPC. This can
+ // really cause trouble if we're asserting from within IPC code. So we
+ // have to do without the annotations in that case.
+ if (XRE_IsParentProcess()) {
+ // Don't include the PID in the crash report annotation to
+ // allow faceting on crash-stats.mozilla.org.
+ nsCString note("xpcom_runtime_abort(");
+ note += nonPIDBuf.buffer;
+ note += ")";
+ CrashReporter::AppendAppNotesToCrashReport(note);
+ CrashReporter::AnnotateCrashReport(
+ CrashReporter::Annotation::AbortMessage,
+ nsDependentCString(nonPIDBuf.buffer));
+ }
+
+#if defined(DEBUG) && defined(_WIN32)
+ RealBreak();
+#endif
+#if defined(DEBUG)
+ MozWalkTheStack(stderr);
+#endif
+ Abort(buf.buffer);
+ return;
+ }
+ }
+
+ // Now we deal with assertions
+ gAssertionCount++;
+
+ switch (GetAssertBehavior()) {
+ case NS_ASSERT_WARN:
+ return;
+
+ case NS_ASSERT_SUSPEND:
+#ifdef XP_UNIX
+ fprintf(stderr, "Suspending process; attach with the debugger.\n");
+ kill(0, SIGSTOP);
+#else
+ Break(buf.buffer);
+#endif
+ return;
+
+ case NS_ASSERT_STACK:
+ MozWalkTheStack(stderr);
+ return;
+
+ case NS_ASSERT_STACK_AND_ABORT:
+ MozWalkTheStack(stderr);
+ // Fall through to abort
+ [[fallthrough]];
+
+ case NS_ASSERT_ABORT:
+ Abort(buf.buffer);
+ return;
+
+ case NS_ASSERT_TRAP:
+ case NS_ASSERT_UNINITIALIZED: // Default to "trap" behavior
+ Break(buf.buffer);
+ return;
+ }
+}
+
+static void Abort(const char* aMsg) {
+ NoteIntentionalCrash(XRE_GetProcessTypeString());
+ MOZ_CRASH_UNSAFE(aMsg);
+}
+
+static void RealBreak() {
+#if defined(_WIN32)
+ ::DebugBreak();
+#elif defined(XP_MACOSX)
+ raise(SIGTRAP);
+#elif defined(__GNUC__) && \
+ (defined(__i386__) || defined(__i386) || defined(__x86_64__))
+ asm("int $3");
+#elif defined(__arm__)
+ asm(
+# ifdef __ARM_ARCH_4T__
+ /* ARMv4T doesn't support the BKPT instruction, so if the compiler target
+ * is ARMv4T, we want to ensure the assembler will understand that ARMv5T
+ * instruction, while keeping the resulting object tagged as ARMv4T.
+ */
+ ".arch armv5t\n"
+ ".object_arch armv4t\n"
+# endif
+ "BKPT #0");
+#elif defined(__aarch64__)
+ asm("brk #0");
+#elif defined(SOLARIS)
+# if defined(__i386__) || defined(__i386) || defined(__x86_64__)
+ asm("int $3");
+# else
+ raise(SIGTRAP);
+# endif
+#else
+# warning do not know how to break on this platform
+#endif
+}
+
+// Abort() calls this function, don't call it!
+static void Break(const char* aMsg) {
+#if defined(_WIN32)
+ static int ignoreDebugger;
+ if (!ignoreDebugger) {
+ const char* shouldIgnoreDebugger = getenv("XPCOM_DEBUG_DLG");
+ ignoreDebugger =
+ 1 + (shouldIgnoreDebugger && !strcmp(shouldIgnoreDebugger, "1"));
+ }
+ if ((ignoreDebugger == 2) || !::IsDebuggerPresent()) {
+ DWORD code = IDRETRY;
+
+ /* Create the debug dialog out of process to avoid the crashes caused by
+ * Windows events leaking into our event loop from an in process dialog.
+ * We do this by launching windbgdlg.exe (built in xpcom/windbgdlg).
+ * See http://bugzilla.mozilla.org/show_bug.cgi?id=54792
+ */
+ PROCESS_INFORMATION pi;
+ STARTUPINFOW si;
+ wchar_t executable[MAX_PATH];
+ wchar_t* pName;
+
+ memset(&pi, 0, sizeof(pi));
+
+ memset(&si, 0, sizeof(si));
+ si.cb = sizeof(si);
+ si.wShowWindow = SW_SHOW;
+
+ // 2nd arg of CreateProcess is in/out
+ wchar_t* msgCopy = (wchar_t*)_alloca((strlen(aMsg) + 1) * sizeof(wchar_t));
+ wcscpy(msgCopy, NS_ConvertUTF8toUTF16(aMsg).get());
+
+ if (GetModuleFileNameW(GetModuleHandleW(L"xpcom.dll"), executable,
+ MAX_PATH) &&
+ (pName = wcsrchr(executable, '\\')) != nullptr &&
+ wcscpy(pName + 1, L"windbgdlg.exe") &&
+ CreateProcessW(executable, msgCopy, nullptr, nullptr, false,
+ DETACHED_PROCESS | NORMAL_PRIORITY_CLASS, nullptr,
+ nullptr, &si, &pi)) {
+ WaitForSingleObject(pi.hProcess, INFINITE);
+ GetExitCodeProcess(pi.hProcess, &code);
+ CloseHandle(pi.hProcess);
+ CloseHandle(pi.hThread);
+ }
+
+ switch (code) {
+ case IDABORT:
+ // This should exit us
+ raise(SIGABRT);
+ // If we are ignored exit this way..
+ _exit(3);
+
+ case IDIGNORE:
+ return;
+ }
+ }
+
+ RealBreak();
+#elif defined(XP_MACOSX)
+ /* Note that we put this Mac OS X test above the GNUC/x86 test because the
+ * GNUC/x86 test is also true on Intel Mac OS X and we want the PPC/x86
+ * impls to be the same.
+ */
+ RealBreak();
+#elif defined(__GNUC__) && \
+ (defined(__i386__) || defined(__i386) || defined(__x86_64__))
+ RealBreak();
+#elif defined(__arm__) || defined(__aarch64__)
+ RealBreak();
+#elif defined(SOLARIS)
+ RealBreak();
+#else
+# warning do not know how to break on this platform
+#endif
+}
+
+nsresult nsDebugImpl::Create(const nsIID& aIID, void** aInstancePtr) {
+ static const nsDebugImpl* sImpl;
+
+ if (!sImpl) {
+ sImpl = new nsDebugImpl();
+ }
+
+ return const_cast<nsDebugImpl*>(sImpl)->QueryInterface(aIID, aInstancePtr);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+nsresult NS_ErrorAccordingToNSPR() {
+ PRErrorCode err = PR_GetError();
+ switch (err) {
+ case PR_OUT_OF_MEMORY_ERROR:
+ return NS_ERROR_OUT_OF_MEMORY;
+ case PR_WOULD_BLOCK_ERROR:
+ return NS_BASE_STREAM_WOULD_BLOCK;
+ case PR_FILE_NOT_FOUND_ERROR:
+ return NS_ERROR_FILE_NOT_FOUND;
+ case PR_READ_ONLY_FILESYSTEM_ERROR:
+ return NS_ERROR_FILE_READ_ONLY;
+ case PR_NOT_DIRECTORY_ERROR:
+ return NS_ERROR_FILE_NOT_DIRECTORY;
+ case PR_IS_DIRECTORY_ERROR:
+ return NS_ERROR_FILE_IS_DIRECTORY;
+ case PR_LOOP_ERROR:
+ return NS_ERROR_FILE_UNRESOLVABLE_SYMLINK;
+ case PR_FILE_EXISTS_ERROR:
+ return NS_ERROR_FILE_ALREADY_EXISTS;
+ case PR_FILE_IS_LOCKED_ERROR:
+ return NS_ERROR_FILE_IS_LOCKED;
+ case PR_FILE_TOO_BIG_ERROR:
+ return NS_ERROR_FILE_TOO_BIG;
+ case PR_NO_DEVICE_SPACE_ERROR:
+ return NS_ERROR_FILE_NO_DEVICE_SPACE;
+ case PR_NAME_TOO_LONG_ERROR:
+ return NS_ERROR_FILE_NAME_TOO_LONG;
+ case PR_DIRECTORY_NOT_EMPTY_ERROR:
+ return NS_ERROR_FILE_DIR_NOT_EMPTY;
+ case PR_NO_ACCESS_RIGHTS_ERROR:
+ return NS_ERROR_FILE_ACCESS_DENIED;
+ default:
+ return NS_ERROR_FAILURE;
+ }
+}
+
+void NS_ABORT_OOM(size_t aSize) {
+ CrashReporter::AnnotateOOMAllocationSize(aSize);
+ MOZ_CRASH("OOM");
+}