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92df71f0 | 1 | /* Disassemble support for GDB. |
61baf725 | 2 | Copyright (C) 2002-2017 Free Software Foundation, Inc. |
92df71f0 FN |
3 | |
4 | This file is part of GDB. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 8 | the Free Software Foundation; either version 3 of the License, or |
92df71f0 FN |
9 | (at your option) any later version. |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
92df71f0 FN |
18 | |
19 | #ifndef DISASM_H | |
20 | #define DISASM_H | |
21 | ||
ed3ef339 DE |
22 | #include "dis-asm.h" |
23 | ||
6ff0ba5f | 24 | #define DISASSEMBLY_SOURCE_DEPRECATED (0x1 << 0) |
e6158f16 | 25 | #define DISASSEMBLY_RAW_INSN (0x1 << 1) |
9c419145 | 26 | #define DISASSEMBLY_OMIT_FNAME (0x1 << 2) |
4cd29721 | 27 | #define DISASSEMBLY_FILENAME (0x1 << 3) |
946287b7 | 28 | #define DISASSEMBLY_OMIT_PC (0x1 << 4) |
6ff0ba5f | 29 | #define DISASSEMBLY_SOURCE (0x1 << 5) |
a50a4026 | 30 | #define DISASSEMBLY_SPECULATIVE (0x1 << 6) |
e6158f16 | 31 | |
ed3ef339 | 32 | struct gdbarch; |
da3331ec | 33 | struct ui_out; |
30e221b4 | 34 | struct ui_file; |
da3331ec | 35 | |
e47ad6c0 YQ |
36 | class gdb_disassembler |
37 | { | |
38 | using di_read_memory_ftype = decltype (disassemble_info::read_memory_func); | |
39 | ||
40 | public: | |
41 | gdb_disassembler (struct gdbarch *gdbarch, struct ui_file *file) | |
42 | : gdb_disassembler (gdbarch, file, dis_asm_read_memory) | |
43 | {} | |
44 | ||
45 | int print_insn (CORE_ADDR memaddr, int *branch_delay_insns = NULL); | |
46 | ||
47 | /* Prints the instruction INSN into UIOUT and returns the length of | |
48 | the printed instruction in bytes. */ | |
49 | int pretty_print_insn (struct ui_out *uiout, | |
50 | const struct disasm_insn *insn, int flags); | |
51 | ||
52 | /* Return the gdbarch of gdb_disassembler. */ | |
53 | struct gdbarch *arch () | |
54 | { return m_gdbarch; } | |
55 | ||
56 | protected: | |
57 | gdb_disassembler (struct gdbarch *gdbarch, struct ui_file *file, | |
58 | di_read_memory_ftype func); | |
59 | ||
60 | struct ui_file *stream () | |
61 | { return (struct ui_file *) m_di.stream; } | |
62 | ||
63 | private: | |
64 | struct gdbarch *m_gdbarch; | |
65 | ||
66 | /* Stores data required for disassembling instructions in | |
67 | opcodes. */ | |
68 | struct disassemble_info m_di; | |
69 | ||
70 | static int dis_asm_read_memory (bfd_vma memaddr, gdb_byte *myaddr, | |
71 | unsigned int len, | |
72 | struct disassemble_info *info); | |
73 | static void dis_asm_memory_error (int err, bfd_vma memaddr, | |
74 | struct disassemble_info *info); | |
75 | static void dis_asm_print_address (bfd_vma addr, | |
76 | struct disassemble_info *info); | |
77 | }; | |
78 | ||
a50a4026 MM |
79 | /* An instruction to be disassembled. */ |
80 | ||
81 | struct disasm_insn | |
82 | { | |
83 | /* The address of the memory containing the instruction. */ | |
84 | CORE_ADDR addr; | |
85 | ||
86 | /* An optional instruction number. If non-zero, it is printed first. */ | |
87 | unsigned int number; | |
88 | ||
89 | /* True if the instruction was executed speculatively. */ | |
90 | unsigned int is_speculative:1; | |
91 | }; | |
92 | ||
13274fc3 | 93 | extern void gdb_disassembly (struct gdbarch *gdbarch, struct ui_out *uiout, |
9c419145 PP |
94 | char *file_string, int flags, int how_many, |
95 | CORE_ADDR low, CORE_ADDR high); | |
92bf2b80 | 96 | |
a4642986 MR |
97 | /* Print the instruction at address MEMADDR in debugged memory, |
98 | on STREAM. Returns the length of the instruction, in bytes, | |
99 | and, if requested, the number of branch delay slot instructions. */ | |
92bf2b80 | 100 | |
13274fc3 UW |
101 | extern int gdb_print_insn (struct gdbarch *gdbarch, CORE_ADDR memaddr, |
102 | struct ui_file *stream, int *branch_delay_insns); | |
92bf2b80 | 103 | |
eda5a4d7 PA |
104 | /* Return the length in bytes of the instruction at address MEMADDR in |
105 | debugged memory. */ | |
106 | ||
107 | extern int gdb_insn_length (struct gdbarch *gdbarch, CORE_ADDR memaddr); | |
108 | ||
109 | /* Return the length in bytes of INSN, originally at MEMADDR. MAX_LEN | |
110 | is the size of the buffer containing INSN. */ | |
111 | ||
112 | extern int gdb_buffered_insn_length (struct gdbarch *gdbarch, | |
113 | const gdb_byte *insn, int max_len, | |
114 | CORE_ADDR memaddr); | |
115 | ||
92df71f0 | 116 | #endif |