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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| /* | ||
| * Copyright (c) 2003, 2024, Oracle and/or its affiliates. All rights reserved. | ||
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| * | ||
| * This code is free software; you can redistribute it and/or modify it | ||
| * under the terms of the GNU General Public License version 2 only, as | ||
| * published by the Free Software Foundation. | ||
| * | ||
| * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| * version 2 for more details (a copy is included in the LICENSE file that | ||
| * accompanied this code). | ||
| * | ||
| * You should have received a copy of the GNU General Public License version | ||
| * 2 along with this work; if not, write to the Free Software Foundation, | ||
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| * | ||
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| * or visit www.oracle.com if you need additional information or have any | ||
| * questions. | ||
| * | ||
| */ | ||
|
|
||
| #include "precompiled.hpp" | ||
| #include "runtime/frame.inline.hpp" | ||
| #include "runtime/os.inline.hpp" | ||
| #include "utilities/decoder.hpp" | ||
| #include "utilities/globalDefinitions.hpp" | ||
| #include "utilities/nativeStackPrinter.hpp" | ||
| #include "utilities/ostream.hpp" | ||
|
|
||
| bool NativeStackPrinter::print_stack(outputStream* st, char* buf, int buf_size, | ||
| address& lastpc, bool print_source_info, | ||
| int max_frames) { | ||
| if (os::platform_print_native_stack(st, _context, buf, buf_size, lastpc)) { | ||
| return true; | ||
| } else { | ||
| print_stack_from_frame(st, buf, buf_size, print_source_info, max_frames); | ||
| return false; | ||
| } | ||
| } | ||
|
|
||
| void NativeStackPrinter::print_stack_from_frame(outputStream* st, frame fr, | ||
| char* buf, int buf_size, | ||
| bool print_source_info, int max_frames) { | ||
| // see if it's a valid frame | ||
| if (fr.pc()) { | ||
| st->print_cr("Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)"); | ||
| const int limit = max_frames == -1 ? StackPrintLimit | ||
| : MIN2(max_frames, StackPrintLimit); | ||
| int count = 0; | ||
| while (count++ < limit) { | ||
| fr.print_on_error(st, buf, buf_size); | ||
| if (fr.pc()) { // print source file and line, if available | ||
| char filename[128]; | ||
| int line_no; | ||
| if (count == 1 && _lineno != 0) { | ||
| // We have source information for the first frame for internal errors, | ||
| // there is no need to parse it from the symbols. | ||
| st->print(" (%s:%d)", _filename, _lineno); | ||
| } else if (print_source_info && | ||
| Decoder::get_source_info(fr.pc(), filename, sizeof(filename), &line_no, count != 1)) { | ||
| st->print(" (%s:%d)", filename, line_no); | ||
| } | ||
| } | ||
| st->cr(); | ||
| fr = frame::next_frame(fr, _current); | ||
| if (fr.pc() == nullptr) { | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| if (count > limit) { | ||
| st->print_cr("...<more frames>..."); | ||
| } | ||
|
|
||
| } else { | ||
| st->print_cr("Native frames: <unavailable>"); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| /* | ||
| * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved. | ||
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| * | ||
| * This code is free software; you can redistribute it and/or modify it | ||
| * under the terms of the GNU General Public License version 2 only, as | ||
| * published by the Free Software Foundation. | ||
| * | ||
| * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| * version 2 for more details (a copy is included in the LICENSE file that | ||
| * accompanied this code). | ||
| * | ||
| * You should have received a copy of the GNU General Public License version | ||
| * 2 along with this work; if not, write to the Free Software Foundation, | ||
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| * | ||
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| * or visit www.oracle.com if you need additional information or have any | ||
| * questions. | ||
| * | ||
| */ | ||
| #ifndef SHARE_UTILITIES_NATIVESTACKPRINTER_HPP | ||
| #define SHARE_UTILITIES_NATIVESTACKPRINTER_HPP | ||
|
|
||
| #include "memory/allocation.hpp" | ||
| #include "runtime/frame.hpp" | ||
| #include "runtime/os.hpp" | ||
| #include "utilities/globalDefinitions.hpp" | ||
|
|
||
| // Forward declarations | ||
| class outputStream; | ||
| class Thread; | ||
|
|
||
| // Helper class to do native stack printing from various contexts | ||
| // including during crash reporting. | ||
| // The NativeStackPrinter is created with the basic context information | ||
| // available from the caller. Then the print_stack function is called | ||
| // to do the actual printing. | ||
| class NativeStackPrinter : public StackObj { | ||
| Thread* _current; // Current thread if known | ||
| const void* _context; // OS crash context if known | ||
| const char* _filename; // Source file name if known | ||
| int _lineno; // Source file line number if known | ||
|
|
||
| public: | ||
| // Creates a NativeStackPrinter using the given additional context | ||
| // information: | ||
| // - the current thread is used for frame-based stack walking | ||
| // - context is the crash context from the OS and can be used to get a frame; | ||
| // otherwise os::current_frame() will be used | ||
| // - filename and lineno provide details from the fatal error handler so we | ||
| // can skip use of the Decoder for the first line (optimization) | ||
| NativeStackPrinter(Thread* current_or_null, | ||
| const void* context, | ||
| const char* filename, | ||
| int lineno) : | ||
| _current(current_or_null), | ||
| _context(context), | ||
| _filename(filename), | ||
| _lineno(lineno) { | ||
| assert((_lineno == 0 && _filename == nullptr) || | ||
| (_lineno > 0 && _filename != nullptr), | ||
| "file name and line number need to be provided together"); | ||
| } | ||
|
|
||
| NativeStackPrinter(Thread* current_or_null) | ||
| : NativeStackPrinter(current_or_null, nullptr, nullptr, 0) {} | ||
|
|
||
| // Prints the stack of the current thread to the given stream. | ||
| // We first try to print via os::platform_print_native_stack. If that | ||
| // succeeds then lastpc is set and we return true. Otherwise we do a | ||
| // frame walk to print the stack, and return false. | ||
| // - st: the stream to print to | ||
| // - buf, buf_size: temporary buffer to use for formatting output | ||
| // - print_source_info: see print_stack_from_frame | ||
| // - max_frames: see print_stack_from_frame | ||
| // | ||
| bool print_stack(outputStream* st, char* buf, int buf_size, | ||
| address& lastpc, bool print_source_info, | ||
| int max_frames); | ||
|
|
||
| // Prints the stack to st by walking the frames starting from | ||
| // either the context frame, else the current frame. | ||
| // - st: the stream to print to | ||
| // - buf, buf_size: temporary buffer to use when printing frames | ||
| // - print_source_info: if true obtains source information from the Decoder | ||
| // if available. (Useful but may slow down, timeout or | ||
| // misfunction in error situations) | ||
| // - max_frames: the maximum number of frames to print. -1 means print all. | ||
| // However, StackPrintLimit sets a hard limit on the maximum. | ||
| void print_stack_from_frame(outputStream* st, frame fr, | ||
| char* buf, int buf_size, | ||
| bool print_source_info, int max_frames); | ||
|
|
||
| // Prints the stack to st by walking the frames starting from | ||
| // either the context frame, else the current frame. | ||
| void print_stack_from_frame(outputStream* st, | ||
| char* buf, int buf_size, | ||
| bool print_source_info, int max_frames) { | ||
| frame fr = _context != nullptr ? os::fetch_frame_from_context(_context) | ||
| : os::current_frame(); | ||
| print_stack_from_frame(st, fr, buf, buf_size, print_source_info, max_frames); | ||
| } | ||
| }; | ||
|
|
||
| #endif // SHARE_UTILITIES_NATIVESTACKPRINTER_HPP |
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