Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(1636)

Unified Diff: base/debug/stack_trace_android.cc

Issue 1647803004: Move base to DEPS (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « base/debug/stack_trace.cc ('k') | base/debug/stack_trace_posix.cc » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: base/debug/stack_trace_android.cc
diff --git a/base/debug/stack_trace_android.cc b/base/debug/stack_trace_android.cc
deleted file mode 100644
index e05e30c82ec4a10b9401f2f099519a352296d228..0000000000000000000000000000000000000000
--- a/base/debug/stack_trace_android.cc
+++ /dev/null
@@ -1,129 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/debug/stack_trace.h"
-
-#include <android/log.h>
-#include <unwind.h>
-#include <ostream>
-
-#include "base/debug/proc_maps_linux.h"
-#include "base/strings/stringprintf.h"
-#include "base/threading/thread_restrictions.h"
-
-#ifdef __LP64__
-#define FMT_ADDR "0x%016lx"
-#else
-#define FMT_ADDR "0x%08x"
-#endif
-
-namespace {
-
-struct StackCrawlState {
- StackCrawlState(uintptr_t* frames, size_t max_depth)
- : frames(frames),
- frame_count(0),
- max_depth(max_depth),
- have_skipped_self(false) {}
-
- uintptr_t* frames;
- size_t frame_count;
- size_t max_depth;
- bool have_skipped_self;
-};
-
-_Unwind_Reason_Code TraceStackFrame(_Unwind_Context* context, void* arg) {
- StackCrawlState* state = static_cast<StackCrawlState*>(arg);
- uintptr_t ip = _Unwind_GetIP(context);
-
- // The first stack frame is this function itself. Skip it.
- if (ip != 0 && !state->have_skipped_self) {
- state->have_skipped_self = true;
- return _URC_NO_REASON;
- }
-
- state->frames[state->frame_count++] = ip;
- if (state->frame_count >= state->max_depth)
- return _URC_END_OF_STACK;
- return _URC_NO_REASON;
-}
-
-} // namespace
-
-namespace base {
-namespace debug {
-
-bool EnableInProcessStackDumping() {
- // When running in an application, our code typically expects SIGPIPE
- // to be ignored. Therefore, when testing that same code, it should run
- // with SIGPIPE ignored as well.
- // TODO(phajdan.jr): De-duplicate this SIGPIPE code.
- struct sigaction action;
- memset(&action, 0, sizeof(action));
- action.sa_handler = SIG_IGN;
- sigemptyset(&action.sa_mask);
- return (sigaction(SIGPIPE, &action, NULL) == 0);
-}
-
-StackTrace::StackTrace() {
- StackCrawlState state(reinterpret_cast<uintptr_t*>(trace_), kMaxTraces);
- _Unwind_Backtrace(&TraceStackFrame, &state);
- count_ = state.frame_count;
-}
-
-void StackTrace::Print() const {
- std::string backtrace = ToString();
- __android_log_write(ANDROID_LOG_ERROR, ANDROID_LOG_TAG, backtrace.c_str());
-}
-
-// NOTE: Native libraries in APKs are stripped before installing. Print out the
-// relocatable address and library names so host computers can use tools to
-// symbolize and demangle (e.g., addr2line, c++filt).
-void StackTrace::OutputToStream(std::ostream* os) const {
- std::string proc_maps;
- std::vector<MappedMemoryRegion> regions;
- // Allow IO to read /proc/self/maps. Reading this file doesn't hit the disk
- // since it lives in procfs, and this is currently used to print a stack trace
- // on fatal log messages in debug builds only. If the restriction is enabled
- // then it will recursively trigger fatal failures when this enters on the
- // UI thread.
- base::ThreadRestrictions::ScopedAllowIO allow_io;
- if (!ReadProcMaps(&proc_maps)) {
- __android_log_write(
- ANDROID_LOG_ERROR, ANDROID_LOG_TAG, "Failed to read /proc/self/maps");
- } else if (!ParseProcMaps(proc_maps, &regions)) {
- __android_log_write(
- ANDROID_LOG_ERROR, ANDROID_LOG_TAG, "Failed to parse /proc/self/maps");
- }
-
- for (size_t i = 0; i < count_; ++i) {
- // Subtract one as return address of function may be in the next
- // function when a function is annotated as noreturn.
- uintptr_t address = reinterpret_cast<uintptr_t>(trace_[i]) - 1;
-
- std::vector<MappedMemoryRegion>::iterator iter = regions.begin();
- while (iter != regions.end()) {
- if (address >= iter->start && address < iter->end &&
- !iter->path.empty()) {
- break;
- }
- ++iter;
- }
-
- *os << base::StringPrintf("#%02zd " FMT_ADDR " ", i, address);
-
- if (iter != regions.end()) {
- uintptr_t rel_pc = address - iter->start + iter->offset;
- const char* path = iter->path.c_str();
- *os << base::StringPrintf("%s+" FMT_ADDR, path, rel_pc);
- } else {
- *os << "<unknown>";
- }
-
- *os << "\n";
- }
-}
-
-} // namespace debug
-} // namespace base
« no previous file with comments | « base/debug/stack_trace.cc ('k') | base/debug/stack_trace_posix.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698