67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
/*************************************************************************
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* Copyright (C) [2023-2024] by Cambricon, Inc.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*************************************************************************/
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#ifdef __GNUC__
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#include "stack_exception.h"
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#include <cxxabi.h>
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#include <dlfcn.h>
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#include <execinfo.h>
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#include <stdio.h>
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#include <stdlib.h>
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#define MAX_DEPTH 32
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namespace tmo {
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namespace stack_exception {
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call_stack::call_stack(const size_t num_discard /*= 0*/) {
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using namespace abi;
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// retrieve call-stack
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void *trace[MAX_DEPTH];
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int stack_depth = backtrace(trace, MAX_DEPTH);
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for (int i = num_discard + 1; i < stack_depth; i++) {
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Dl_info dlinfo;
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if (!dladdr(trace[i], &dlinfo)) break;
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const char *symname = dlinfo.dli_sname;
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int status;
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char *demangled = abi::__cxa_demangle(symname, NULL, 0, &status);
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if (status == 0 && demangled) symname = demangled;
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// printf("entry: %s, %s\n", dlinfo.dli_fname,symname);
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// store entry to stack
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if (dlinfo.dli_fname && symname) {
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entry e;
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e.file = dlinfo.dli_fname;
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e.line = 0; // unsupported
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e.function = symname;
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stack.push_back(e);
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} else {
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break; // skip last entries below main
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}
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if (demangled) free(demangled);
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}
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}
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call_stack::~call_stack() throw() {
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// automatic cleanup
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}
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} // namespace stack_exception
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} // namespace tmo
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#endif // __GNUC__
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