42a4f53d2b
This commit applies all changes made after running the gdb/copyright.py script. Note that one file was flagged by the script, due to an invalid copyright header (gdb/unittests/basic_string_view/element_access/char/empty.cc). As the file was copied from GCC's libstdc++-v3 testsuite, this commit leaves this file untouched for the time being; a patch to fix the header was sent to gcc-patches first. gdb/ChangeLog: Update copyright year range in all GDB files.
160 lines
4.8 KiB
C++
160 lines
4.8 KiB
C++
/* Disassemble support for GDB.
|
|
Copyright (C) 2002-2019 Free Software Foundation, Inc.
|
|
|
|
This file is part of GDB.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program 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 for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef DISASM_H
|
|
#define DISASM_H
|
|
|
|
#include "dis-asm.h"
|
|
#include "common/enum-flags.h"
|
|
|
|
enum gdb_disassembly_flag
|
|
{
|
|
DISASSEMBLY_SOURCE_DEPRECATED = (0x1 << 0),
|
|
DISASSEMBLY_RAW_INSN = (0x1 << 1),
|
|
DISASSEMBLY_OMIT_FNAME = (0x1 << 2),
|
|
DISASSEMBLY_FILENAME = (0x1 << 3),
|
|
DISASSEMBLY_OMIT_PC = (0x1 << 4),
|
|
DISASSEMBLY_SOURCE = (0x1 << 5),
|
|
DISASSEMBLY_SPECULATIVE = (0x1 << 6),
|
|
};
|
|
DEF_ENUM_FLAGS_TYPE (enum gdb_disassembly_flag, gdb_disassembly_flags);
|
|
|
|
struct gdbarch;
|
|
struct ui_out;
|
|
struct ui_file;
|
|
|
|
class gdb_disassembler
|
|
{
|
|
using di_read_memory_ftype = decltype (disassemble_info::read_memory_func);
|
|
|
|
public:
|
|
gdb_disassembler (struct gdbarch *gdbarch, struct ui_file *file)
|
|
: gdb_disassembler (gdbarch, file, dis_asm_read_memory)
|
|
{}
|
|
|
|
int print_insn (CORE_ADDR memaddr, int *branch_delay_insns = NULL);
|
|
|
|
/* Return the gdbarch of gdb_disassembler. */
|
|
struct gdbarch *arch ()
|
|
{ return m_gdbarch; }
|
|
|
|
protected:
|
|
gdb_disassembler (struct gdbarch *gdbarch, struct ui_file *file,
|
|
di_read_memory_ftype func);
|
|
|
|
struct ui_file *stream ()
|
|
{ return (struct ui_file *) m_di.stream; }
|
|
|
|
private:
|
|
struct gdbarch *m_gdbarch;
|
|
|
|
/* Stores data required for disassembling instructions in
|
|
opcodes. */
|
|
struct disassemble_info m_di;
|
|
|
|
/* If we own the string in `m_di.disassembler_options', we do so
|
|
using this field. */
|
|
std::string m_disassembler_options_holder;
|
|
|
|
CORE_ADDR m_err_memaddr;
|
|
|
|
static int dis_asm_read_memory (bfd_vma memaddr, gdb_byte *myaddr,
|
|
unsigned int len,
|
|
struct disassemble_info *info);
|
|
static void dis_asm_memory_error (int err, bfd_vma memaddr,
|
|
struct disassemble_info *info);
|
|
static void dis_asm_print_address (bfd_vma addr,
|
|
struct disassemble_info *info);
|
|
};
|
|
|
|
/* An instruction to be disassembled. */
|
|
|
|
struct disasm_insn
|
|
{
|
|
/* The address of the memory containing the instruction. */
|
|
CORE_ADDR addr;
|
|
|
|
/* An optional instruction number. If non-zero, it is printed first. */
|
|
unsigned int number;
|
|
|
|
/* True if the instruction was executed speculatively. */
|
|
unsigned int is_speculative:1;
|
|
};
|
|
|
|
extern void gdb_disassembly (struct gdbarch *gdbarch, struct ui_out *uiout,
|
|
gdb_disassembly_flags flags, int how_many,
|
|
CORE_ADDR low, CORE_ADDR high);
|
|
|
|
/* Print the instruction at address MEMADDR in debugged memory,
|
|
on STREAM. Returns the length of the instruction, in bytes,
|
|
and, if requested, the number of branch delay slot instructions. */
|
|
|
|
extern int gdb_print_insn (struct gdbarch *gdbarch, CORE_ADDR memaddr,
|
|
struct ui_file *stream, int *branch_delay_insns);
|
|
|
|
/* Class used to pretty-print instructions. */
|
|
|
|
class gdb_pretty_print_disassembler
|
|
{
|
|
public:
|
|
explicit gdb_pretty_print_disassembler (struct gdbarch *gdbarch)
|
|
: m_di (gdbarch, &m_insn_stb)
|
|
{}
|
|
|
|
/* Prints the instruction INSN into UIOUT and returns the length of
|
|
the printed instruction in bytes. */
|
|
int pretty_print_insn (struct ui_out *uiout, const struct disasm_insn *insn,
|
|
gdb_disassembly_flags flags);
|
|
|
|
private:
|
|
/* Returns the architecture used for disassembling. */
|
|
struct gdbarch *arch () { return m_di.arch (); }
|
|
|
|
/* The disassembler used for instruction printing. */
|
|
gdb_disassembler m_di;
|
|
|
|
/* The buffer used to build the instruction string. The
|
|
disassembler is initialized with this stream. */
|
|
string_file m_insn_stb;
|
|
|
|
/* The buffer used to build the raw opcodes string. */
|
|
string_file m_opcode_stb;
|
|
};
|
|
|
|
/* Return the length in bytes of the instruction at address MEMADDR in
|
|
debugged memory. */
|
|
|
|
extern int gdb_insn_length (struct gdbarch *gdbarch, CORE_ADDR memaddr);
|
|
|
|
/* Return the length in bytes of INSN, originally at MEMADDR. MAX_LEN
|
|
is the size of the buffer containing INSN. */
|
|
|
|
extern int gdb_buffered_insn_length (struct gdbarch *gdbarch,
|
|
const gdb_byte *insn, int max_len,
|
|
CORE_ADDR memaddr);
|
|
|
|
/* Returns GDBARCH's disassembler options. */
|
|
|
|
extern char *get_disassembler_options (struct gdbarch *gdbarch);
|
|
|
|
/* Sets the active gdbarch's disassembler options to OPTIONS. */
|
|
|
|
extern void set_disassembler_options (char *options);
|
|
|
|
#endif
|