1 files changed, 0 insertions, 158 deletions
diff --git a/libbacktrace/unwind_remote.c b/libbacktrace/unwind_remote.c
deleted file mode 100644
index 1c624d705..000000000
--- a/libbacktrace/unwind_remote.c
+++ /dev/null
@@ -1,158 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "libbacktrace"
-
-#include <sys/ptrace.h>
-#include <string.h>
-
-#include <cutils/log.h>
-#include <backtrace/backtrace.h>
-
-#include <libunwind.h>
-#include <libunwind-ptrace.h>
-
-#include "common.h"
-#include "demangle.h"
-
-typedef struct {
-  unw_addr_space_t addr_space;
-  struct UPT_info* upt_info;
-} backtrace_private_t;
-
-static bool remote_get_frames(backtrace_t* backtrace) {
-  backtrace_private_t* data = (backtrace_private_t*)backtrace->private_data;
-  unw_cursor_t cursor;
-  int ret = unw_init_remote(&cursor, data->addr_space, data->upt_info);
-  if (ret < 0) {
-    ALOGW("remote_get_frames: unw_init_remote failed %d\n", ret);
-    return false;
-  }
-
-  backtrace_frame_data_t* frame;
-  bool returnValue = true;
-  backtrace->num_frames = 0;
-  uintptr_t map_start;
-  unw_word_t value;
-  do {
-    frame = &backtrace->frames[backtrace->num_frames];
-    frame->stack_size = 0;
-    frame->map_name = NULL;
-    frame->map_offset = 0;
-    frame->proc_name = NULL;
-    frame->proc_offset = 0;
-
-    ret = unw_get_reg(&cursor, UNW_REG_IP, &value);
-    if (ret < 0) {
-      ALOGW("remote_get_frames: Failed to read IP %d\n", ret);
-      returnValue = false;
-      break;
-    }
-    frame->pc = (uintptr_t)value;
-    ret = unw_get_reg(&cursor, UNW_REG_SP, &value);
-    if (ret < 0) {
-      ALOGW("remote_get_frames: Failed to read SP %d\n", ret);
-      returnValue = false;
-      break;
-    }
-    frame->sp = (uintptr_t)value;
-
-    if (backtrace->num_frames) {
-      backtrace_frame_data_t* prev = &backtrace->frames[backtrace->num_frames-1];
-      prev->stack_size = frame->sp - prev->sp;
-    }
-
-    frame->proc_name = backtrace_get_proc_name(backtrace, frame->pc, &frame->proc_offset);
-
-    frame->map_name = backtrace_get_map_info(backtrace, frame->pc, &map_start);
-    if (frame->map_name) {
-      frame->map_offset = frame->pc - map_start;
-    }
-
-    backtrace->num_frames++;
-    ret = unw_step (&cursor);
-  } while (ret > 0 && backtrace->num_frames < MAX_BACKTRACE_FRAMES);
-
-  return returnValue;
-}
-
-bool remote_get_data(backtrace_t* backtrace) {
-  backtrace_private_t* data = (backtrace_private_t*)malloc(sizeof(backtrace_private_t));
-  if (!data) {
-    ALOGW("remote_get_data: Failed to allocate memory.\n");
-    backtrace_free_data(backtrace);
-    return false;
-  }
-  data->addr_space = NULL;
-  data->upt_info = NULL;
-
-  backtrace->private_data = data;
-  data->addr_space = unw_create_addr_space(&_UPT_accessors, 0);
-  if (!data->addr_space) {
-    ALOGW("remote_get_data: Failed to create unw address space.\n");
-    backtrace_free_data(backtrace);
-    return false;
-  }
-
-  data->upt_info = _UPT_create(backtrace->tid);
-  if (!data->upt_info) {
-    ALOGW("remote_get_data: Failed to create upt info.\n");
-    backtrace_free_data(backtrace);
-    return false;
-  }
-
-  if (!remote_get_frames(backtrace)) {
-    backtrace_free_data(backtrace);
-    return false;
-  }
-
-  return true;
-}
-
-void remote_free_data(backtrace_t* backtrace) {
-  if (backtrace->private_data) {
-    backtrace_private_t* data = (backtrace_private_t*)backtrace->private_data;
-    if (data->upt_info) {
-      _UPT_destroy(data->upt_info);
-      data->upt_info = NULL;
-    }
-    if (data->addr_space) {
-      unw_destroy_addr_space(data->addr_space);
-    }
-
-    free(backtrace->private_data);
-    backtrace->private_data = NULL;
-  }
-}
-
-char* remote_get_proc_name(const backtrace_t* backtrace, uintptr_t pc,
-                           uintptr_t* offset) {
-  backtrace_private_t* data = (backtrace_private_t*)backtrace->private_data;
-  char buf[512];
-
-  *offset = 0;
-  unw_word_t value;
-  if (unw_get_proc_name_by_ip(data->addr_space, pc, buf, sizeof(buf), &value,
-                              data->upt_info) >= 0 && buf[0] != '\0') {
-    *offset = (uintptr_t)value;
-    char* symbol = demangle_symbol_name(buf);
-    if (!symbol) {
-      symbol = strdup(buf);
-    }
-    return symbol;
-  }
-  return NULL;
-}