73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
//===-- sanitizer_common_libcdep.cc ---------------------------------------===//
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is shared between AddressSanitizer and ThreadSanitizer
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// run-time libraries.
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//===----------------------------------------------------------------------===//
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#include "sanitizer_common.h"
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#include "sanitizer_flags.h"
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#include "sanitizer_stacktrace.h"
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#include "sanitizer_symbolizer.h"
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namespace __sanitizer {
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bool PrintsToTty() {
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MaybeOpenReportFile();
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return internal_isatty(report_fd) != 0;
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}
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bool PrintsToTtyCached() {
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// FIXME: Add proper Windows support to AnsiColorDecorator and re-enable color
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// printing on Windows.
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if (SANITIZER_WINDOWS)
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return 0;
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static int cached = 0;
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static bool prints_to_tty;
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if (!cached) { // Not thread-safe.
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prints_to_tty = PrintsToTty();
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cached = 1;
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}
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return prints_to_tty;
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}
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bool ColorizeReports() {
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const char *flag = common_flags()->color;
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return internal_strcmp(flag, "always") == 0 ||
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(internal_strcmp(flag, "auto") == 0 && PrintsToTtyCached());
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}
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static void (*sandboxing_callback)();
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void SetSandboxingCallback(void (*f)()) {
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sandboxing_callback = f;
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}
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void ReportErrorSummary(const char *error_type, StackTrace *stack) {
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if (!common_flags()->print_summary)
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return;
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AddressInfo ai;
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#if !SANITIZER_GO
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if (stack->size > 0 && Symbolizer::GetOrInit()->CanReturnFileLineInfo()) {
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// Currently, we include the first stack frame into the report summary.
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// Maybe sometimes we need to choose another frame (e.g. skip memcpy/etc).
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uptr pc = StackTrace::GetPreviousInstructionPc(stack->trace[0]);
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Symbolizer::GetOrInit()->SymbolizePC(pc, &ai, 1);
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}
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#endif
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ReportErrorSummary(error_type, ai.file, ai.line, ai.function);
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}
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} // namespace __sanitizer
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void NOINLINE
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__sanitizer_sandbox_on_notify(__sanitizer_sandbox_arguments *args) {
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PrepareForSandboxing(args);
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if (sandboxing_callback)
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sandboxing_callback();
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}
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