73 lines
1.7 KiB
C++
73 lines
1.7 KiB
C++
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Routines useful when debugging the Rust runtime.
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#ifndef RUST_DEBUG_H
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#define RUST_DEBUG_H
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#include <map>
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#include <string>
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#include <cstdlib>
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#ifndef _WIN32
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#include <signal.h>
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#define BREAKPOINT_AWESOME \
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do { \
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signal(SIGTRAP, SIG_IGN); \
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raise(SIGTRAP); \
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} while (0)
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#else
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#define BREAKPOINT_AWESOME
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#endif
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struct rust_task;
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namespace debug {
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class flag {
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private:
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const char *name;
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bool valid;
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bool value;
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public:
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flag(const char *in_name) : name(in_name), valid(false) {}
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bool operator*() {
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// FIXME (#2689): We ought to lock this.
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if (!valid) {
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char *ev = getenv(name);
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value = ev && ev[0] != '\0' && ev[0] != '0';
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valid = true;
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}
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return value;
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}
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};
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class task_debug_info {
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public:
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std::map<void *,std::string> origins;
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};
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std::string backtrace();
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void maybe_track_origin(rust_task *task, void *ptr);
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void maybe_untrack_origin(rust_task *task, void *ptr);
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// This function is intended to be called by the debugger.
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void dump_origin(rust_task *task, void *ptr);
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} // end namespace debug
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#endif
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