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- // Copyright Oliver Kowalke 2016.
- // Distributed under the Boost Software License, Version 1.0.
- // (See accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt)
- #define UNW_LOCAL_ONLY
- #include <cstdlib>
- #include <iostream>
- #include <libunwind.h>
- #include <boost/context/continuation.hpp>
- namespace ctx = boost::context;
- void backtrace() {
- unw_cursor_t cursor;
- unw_context_t context;
- unw_getcontext( & context);
- unw_init_local( & cursor, & context);
- while ( 0 < unw_step( & cursor) ) {
- unw_word_t offset, pc;
- unw_get_reg( & cursor, UNW_REG_IP, & pc);
- if ( 0 == pc) {
- break;
- }
- std::cout << "0x" << pc << ":";
- char sym[256];
- if ( 0 == unw_get_proc_name( & cursor, sym, sizeof( sym), & offset) ) {
- std::cout << " (" << sym << "+0x" << offset << ")" << std::endl;
- } else {
- std::cout << " -- error: unable to obtain symbol name for this frame" << std::endl;
- }
- }
- }
- void bar() {
- backtrace();
- }
- void foo() {
- bar();
- }
- ctx::continuation f1( ctx::continuation && c) {
- foo();
- return std::move( c);
- }
- int main() {
- ctx::callcc( f1);
- std::cout << "main: done" << std::endl;
- return EXIT_SUCCESS;
- }
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