Régis Crelier
41fcbd097c
Not fully working yet, only x64, no gc, no frame walking, etc... Change-Id: I4d8357f6d46371bf21c3d54266cfe26163e3c8dc Reviewed-on: https://dart-review.googlesource.com/50021 Commit-Queue: Régis Crelier <regis@google.com> Reviewed-by: Zach Anderson <zra@google.com> Reviewed-by: Alexander Markov <alexmarkov@google.com>
90 lines
2.8 KiB
C++
90 lines
2.8 KiB
C++
// Copyright (c) 2018, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#ifndef RUNTIME_VM_COMPILER_ASSEMBLER_DISASSEMBLER_KBC_H_
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#define RUNTIME_VM_COMPILER_ASSEMBLER_DISASSEMBLER_KBC_H_
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#include "vm/globals.h"
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#if defined(DART_USE_INTERPRETER)
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#include "vm/compiler/assembler/disassembler.h"
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namespace dart {
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// Disassemble instructions.
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class KernelBytecodeDisassembler : public AllStatic {
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public:
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// Disassemble instructions between start and end.
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// (The assumption is that start is at a valid instruction).
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// Return true if all instructions were successfully decoded, false otherwise.
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static void Disassemble(uword start,
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uword end,
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DisassemblyFormatter* formatter,
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const Code& bytecode);
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static void Disassemble(uword start,
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uword end,
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DisassemblyFormatter* formatter) {
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Disassemble(start, end, formatter, Code::Handle());
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}
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static void Disassemble(uword start, uword end, const Code& bytecode) {
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#if !defined(PRODUCT)
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DisassembleToStdout stdout_formatter;
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LogBlock lb;
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Disassemble(start, end, &stdout_formatter, bytecode);
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#else
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UNREACHABLE();
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#endif
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}
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static void Disassemble(uword start, uword end) {
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#if !defined(PRODUCT)
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DisassembleToStdout stdout_formatter;
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LogBlock lb;
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Disassemble(start, end, &stdout_formatter);
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#else
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UNREACHABLE();
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#endif
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}
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static void Disassemble(uword start,
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uword end,
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char* buffer,
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uintptr_t buffer_size) {
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#if !defined(PRODUCT)
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DisassembleToMemory memory_formatter(buffer, buffer_size);
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LogBlock lb;
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Disassemble(start, end, &memory_formatter);
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#else
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UNREACHABLE();
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#endif
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}
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// Decodes one instruction.
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// Writes a hexadecimal representation into the hex_buffer and a
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// human-readable representation into the human_buffer.
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// Writes the length of the decoded instruction in bytes in out_instr_len.
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static void DecodeInstruction(char* hex_buffer,
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intptr_t hex_size,
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char* human_buffer,
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intptr_t human_size,
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int* out_instr_len,
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const Code& bytecode,
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Object** object,
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uword pc);
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static void Disassemble(const Function& function);
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private:
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static const int kHexadecimalBufferSize = 32;
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static const int kUserReadableBufferSize = 256;
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};
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} // namespace dart
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#endif // defined(DART_USE_INTERPRETER)
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#endif // RUNTIME_VM_COMPILER_ASSEMBLER_DISASSEMBLER_KBC_H_
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