151 lines
3.7 KiB
C++
151 lines
3.7 KiB
C++
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <endian.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <map>
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#include <base/debug/stack_trace.h>
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#include <libavb/libavb.h>
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int avb_memcmp(const void* src1, const void* src2, size_t n) {
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return memcmp(src1, src2, n);
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}
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void* avb_memcpy(void* dest, const void* src, size_t n) {
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return memcpy(dest, src, n);
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}
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void* avb_memset(void* dest, const int c, size_t n) {
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return memset(dest, c, n);
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}
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int avb_strcmp(const char* s1, const char* s2) {
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return strcmp(s1, s2);
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}
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int avb_strncmp(const char* s1, const char* s2, size_t n) {
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return strncmp(s1, s2, n);
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}
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size_t avb_strlen(const char* str) {
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return strlen(str);
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}
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void avb_abort(void) {
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abort();
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}
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void avb_print(const char* message) {
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fprintf(stderr, "%s", message);
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}
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void avb_printv(const char* message, ...) {
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va_list ap;
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const char* m;
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va_start(ap, message);
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for (m = message; m != NULL; m = va_arg(ap, const char*)) {
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fprintf(stderr, "%s", m);
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}
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va_end(ap);
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}
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typedef struct {
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size_t size;
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base::debug::StackTrace stack_trace;
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} AvbAllocatedBlock;
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static std::map<void*, AvbAllocatedBlock> allocated_blocks;
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void* avb_malloc_(size_t size) {
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void* ptr = malloc(size);
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avb_assert(ptr != nullptr);
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AvbAllocatedBlock block;
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block.size = size;
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allocated_blocks[ptr] = block;
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return ptr;
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}
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void avb_free(void* ptr) {
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auto block_it = allocated_blocks.find(ptr);
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if (block_it == allocated_blocks.end()) {
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avb_fatal("Tried to free pointer to non-allocated block.\n");
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return;
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}
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allocated_blocks.erase(block_it);
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free(ptr);
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}
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uint32_t avb_div_by_10(uint64_t* dividend) {
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uint32_t rem = (uint32_t)(*dividend % 10);
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*dividend /= 10;
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return rem;
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}
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namespace avb {
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void testing_memory_reset() {
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allocated_blocks.clear();
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}
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bool testing_memory_all_freed() {
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if (allocated_blocks.size() == 0) {
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return true;
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}
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size_t sum = 0;
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for (const auto& block_it : allocated_blocks) {
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sum += block_it.second.size;
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}
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fprintf(stderr,
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"%zd bytes still allocated in %zd blocks:\n",
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sum,
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allocated_blocks.size());
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size_t n = 0;
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for (const auto& block_it : allocated_blocks) {
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fprintf(stderr,
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"--\nAllocation %zd/%zd of %zd bytes:\n",
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1 + n++,
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allocated_blocks.size(),
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block_it.second.size);
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block_it.second.stack_trace.Print();
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}
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return false;
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}
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// Also check leaks at process exit.
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__attribute__((destructor)) static void ensure_all_memory_freed_at_exit() {
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if (!testing_memory_all_freed()) {
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avb_fatal("libavb memory leaks at process exit.\n");
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}
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}
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} // namespace avb
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