| /* |
| * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. |
| * Copyright (c) 2019 SAP SE. 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_COMPILER_ABSTRACTDISASSEMBLER_HPP |
| #define SHARE_COMPILER_ABSTRACTDISASSEMBLER_HPP |
| |
| // AbstractDisassembler is the base class for |
| // platform-specific Disassembler classes. |
| |
| #include "utilities/globalDefinitions.hpp" |
| |
| class AbstractDisassembler { |
| |
| private: |
| // These are some general settings which control |
| // abstract disassembly output. |
| enum { |
| // that many bytes are dumped in one line. |
| abstract_instruction_bytes_per_line = 32, |
| // instruction bytes are grouped in blocks of that many bytes. |
| abstract_instruction_bytes_per_block = 2, |
| // instructions have this default len. |
| abstract_instruction_size_in_bytes = 1, |
| // instructions have this maximum len. |
| abstract_instruction_maxsize_in_bytes = 1 |
| }; |
| |
| static bool _align_instr; // vertical alignment of instructions in abstract disassembly |
| static bool _show_pc; // print the instruction address |
| static bool _show_offset; // print the instruction offset (from start of blob) |
| static bool _show_bytes; // print instruction bytes |
| static bool _show_data_hex; // print instruction bytes |
| static bool _show_data_int; // print instruction bytes |
| static bool _show_data_float; // print instruction bytes |
| static bool _show_structs; // print compiler data structures (relocations, oop maps, scopes, metadata, ...) |
| static bool _show_comment; // print instruction comments |
| static bool _show_block_comment; // print block comments |
| |
| public: |
| // Platform-independent location and instruction formatting. |
| // All functions return #characters printed. |
| static int print_location(address here, address begin, address end, outputStream* st, bool align, bool print_header); |
| static int print_instruction(address here, int len, int max_len, outputStream* st, bool align, bool print_header); |
| static int print_hexdata(address here, int len, outputStream* st, bool print_header = false); |
| static int print_delimiter(outputStream* st); |
| static bool start_newline(int byte_count) { return byte_count >= abstract_instruction_bytes_per_line; } |
| |
| static void toggle_align_instr() { _align_instr = !_align_instr; } |
| static void toggle_show_pc() { _show_pc = !_show_pc; } |
| static void toggle_show_offset() { _show_offset = !_show_offset; } |
| static void toggle_show_bytes() { _show_bytes = !_show_bytes; } |
| static void toggle_show_data_hex() { _show_data_hex = !_show_data_hex; } |
| static void toggle_show_data_int() { _show_data_int = !_show_data_int; } |
| static void toggle_show_data_float() { _show_data_float = !_show_data_float; } |
| static void toggle_show_structs() { _show_structs = !_show_structs; } |
| static void toggle_show_comment() { _show_comment = !_show_comment; } |
| static void toggle_show_block_comment() { _show_block_comment = !_show_block_comment; } |
| |
| static bool align_instr() { return _align_instr; } |
| static bool show_pc() { return _show_pc; } |
| static bool show_offset() { return _show_offset; } |
| static bool show_bytes() { return _show_bytes; } |
| static bool show_data_hex() { return _show_data_hex; } |
| static bool show_data_int() { return _show_data_int; } |
| static bool show_data_float() { return _show_data_float; } |
| static bool show_structs() { return _show_structs; } |
| static bool show_comment() { return _show_comment; } |
| static bool show_block_comment() { return _show_block_comment; } |
| |
| // Decodes the one instruction at address start in a platform-independent |
| // format. Returns the start of the next instruction (which is |
| // 'start' plus 'instruction_size_in_bytes'). The parameter max_instr_size_in_bytes |
| // is used for output alignment purposes only. |
| static address decode_instruction_abstract(address start, |
| outputStream* st, |
| const int instruction_size_in_bytes, |
| const int max_instr_size_in_bytes = abstract_instruction_maxsize_in_bytes); |
| |
| // Decodes all instructions in the given range [start..end) |
| // calling decode_instruction_abstract for each instruction. |
| // The format is platform dependent only to the extend that |
| // it respects the actual instruction length where possible. |
| // Does not print any markers or decorators. |
| static void decode_range_abstract(address range_start, address range_end, |
| address start, address end, |
| outputStream* st, |
| const int max_instr_size_in_bytes = abstract_instruction_maxsize_in_bytes); |
| |
| // Decodes all instructions in the given range in a platform-independent |
| // format, calling decode_instruction_abstract for each instruction. |
| static void decode_abstract(address start, address end, |
| outputStream* st, |
| const int max_instr_size_in_bytes = abstract_instruction_maxsize_in_bytes); |
| }; |
| |
| #endif // SHARE_COMPILER_ABSTRACTDISASSEMBLER_HPP |
