119 lines
6.2 KiB
C++
119 lines
6.2 KiB
C++
/*
|
|
* 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
|