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 } 41
