Jeff Brown | 501edd2 | 2011-10-19 20:35:35 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #define LOG_TAG "Corkscrew" |
| 18 | //#define LOG_NDEBUG 0 |
| 19 | |
| 20 | #include "backtrace-helper.h" |
| 21 | |
| 22 | #include <cutils/log.h> |
| 23 | |
| 24 | backtrace_frame_t* add_backtrace_entry(uintptr_t pc, backtrace_frame_t* backtrace, |
| 25 | size_t ignore_depth, size_t max_depth, |
| 26 | size_t* ignored_frames, size_t* returned_frames) { |
| 27 | if (*ignored_frames < ignore_depth) { |
| 28 | *ignored_frames += 1; |
| 29 | return NULL; |
| 30 | } |
| 31 | if (*returned_frames >= max_depth) { |
| 32 | return NULL; |
| 33 | } |
| 34 | backtrace_frame_t* frame = &backtrace[*returned_frames]; |
| 35 | frame->absolute_pc = pc; |
| 36 | frame->stack_top = 0; |
| 37 | frame->stack_size = 0; |
| 38 | *returned_frames += 1; |
| 39 | return frame; |
| 40 | } |