1 files changed, 0 insertions, 129 deletions
diff --git a/base/debug/stack_trace_android.cc b/base/debug/stack_trace_android.cc
deleted file mode 100644
index 5168b188da..0000000000
--- 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, "chromium", 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, "chromium", "Failed to read /proc/self/maps");
-  } else if (!ParseProcMaps(proc_maps, &regions)) {
-    __android_log_write(
-        ANDROID_LOG_ERROR, "chromium", "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