1 /* 2 * Copyright 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 #include "helper.h" 18 #include "raw_ostream.h" 19 20 #include <stdlib.h> 21 #include <ctype.h> 22 23 using namespace llvm; 24 25 void dump_hex(unsigned char const *data, 26 size_t size, size_t begin, size_t end) { 27 if (end <= begin) { 28 // Nothing to print now. Return directly. 29 return; 30 } 31 32 size_t lower = begin & (~0xfUL); 33 size_t upper = (end & (~0xfUL)) ? end : ((end + 16UL) & (~0xfUL)); 34 35 for (size_t i = lower; i < upper; i += 16) { 36 out() << format("%08x", i) << ':'; 37 38 if (i < begin) { 39 out().changeColor(raw_ostream::MAGENTA); 40 } 41 42 for (size_t j = i, k = i + 16; j < k; ++j) { 43 if (j == begin) { 44 out().resetColor(); 45 } 46 47 if (j == end) { 48 out().changeColor(raw_ostream::MAGENTA); 49 } 50 51 if (j < size) { 52 out() << ' ' << format("%02x", (unsigned)data[j]); 53 } 54 } 55 56 out().resetColor(); 57 out() << " "; 58 59 for (size_t j = i, k = i + 16; j < k; ++j) { 60 if (data[j] > 0x20 && data[j] < 0x7f) { 61 out() << (char)data[j]; 62 } else { 63 out() << '.'; 64 } 65 } 66 67 out() << '\n'; 68 } 69 } 70
