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72 lines
3.1 KiB
C++
72 lines
3.1 KiB
C++
//===-- sanitizer_stacktrace_printer.h --------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is shared between sanitizers' run-time libraries.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SANITIZER_STACKTRACE_PRINTER_H
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#define SANITIZER_STACKTRACE_PRINTER_H
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#include "sanitizer_common.h"
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#include "sanitizer_symbolizer.h"
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namespace __sanitizer {
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// Render the contents of "info" structure, which represents the contents of
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// stack frame "frame_no" and appends it to the "buffer". "format" is a
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// string with placeholders, which is copied to the output with
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// placeholders substituted with the contents of "info". For example,
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// format string
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// " frame %n: function %F at %S"
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// will be turned into
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// " frame 10: function foo::bar() at my/file.cc:10"
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// You may additionally pass "strip_path_prefix" to strip prefixes of paths to
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// source files and modules, and "strip_func_prefix" to strip prefixes of
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// function names.
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// Here's the full list of available placeholders:
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// %% - represents a '%' character;
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// %n - frame number (copy of frame_no);
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// %p - PC in hex format;
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// %m - path to module (binary or shared object);
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// %o - offset in the module in hex format;
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// %f - function name;
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// %q - offset in the function in hex format (*if available*);
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// %s - path to source file;
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// %l - line in the source file;
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// %c - column in the source file;
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// %F - if function is known to be <foo>, prints "in <foo>", possibly
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// followed by the offset in this function, but only if source file
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// is unknown;
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// %S - prints file/line/column information;
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// %L - prints location information: file/line/column, if it is known, or
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// module+offset if it is known, or (<unknown module>) string.
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// %M - prints module basename and offset, if it is known, or PC.
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void RenderFrame(InternalScopedString *buffer, const char *format, int frame_no,
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const AddressInfo &info, bool vs_style,
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const char *strip_path_prefix = "",
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const char *strip_func_prefix = "");
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void RenderSourceLocation(InternalScopedString *buffer, const char *file,
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int line, int column, bool vs_style,
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const char *strip_path_prefix);
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void RenderModuleLocation(InternalScopedString *buffer, const char *module,
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uptr offset, ModuleArch arch,
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const char *strip_path_prefix);
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// Same as RenderFrame, but for data section (global variables).
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// Accepts %s, %l from above.
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// Also accepts:
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// %g - name of the global variable.
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void RenderData(InternalScopedString *buffer, const char *format,
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const DataInfo *DI, const char *strip_path_prefix = "");
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} // namespace __sanitizer
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#endif // SANITIZER_STACKTRACE_PRINTER_H
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