/* Disassemble support for GDB.
- Copyright 2002 Free Software Foundation, Inc.
+ 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 2 of the License, or
+ 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,
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, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef DISASM_H
#define DISASM_H
+#include "dis-asm.h"
+#include "gdbsupport/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,
+ struct ui_out *uiout)
+ : m_uiout (uiout),
+ m_insn_stb (uiout->can_emit_style_escape ()),
+ m_di (gdbarch, &m_insn_stb)
+ {}
+
+ /* Prints the instruction INSN into the saved ui_out and returns the
+ length of the printed instruction in bytes. */
+ int pretty_print_insn (const struct disasm_insn *insn,
+ gdb_disassembly_flags flags);
+
+private:
+ /* Returns the architecture used for disassembling. */
+ struct gdbarch *arch () { return m_di.arch (); }
+
+ /* The ui_out that is used by pretty_print_insn. */
+ struct ui_out *m_uiout;
+
+ /* The buffer used to build the instruction string. The
+ disassembler is initialized with this stream. */
+ string_file m_insn_stb;
+
+ /* The disassembler used for instruction printing. */
+ gdb_disassembler m_di;
+
+ /* 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 void gdb_disassembly (struct ui_out *uiout,
- char *file_string,
- int line_num,
- int mixed_source_and_assembly,
- int how_many, CORE_ADDR low, CORE_ADDR high);
+extern char *get_disassembler_options (struct gdbarch *gdbarch);
-/* Print the instruction at address MEMADDR in debugged memory, on
- STREAM. Returns length of the instruction, in bytes. */
+/* Sets the active gdbarch's disassembler options to OPTIONS. */
-extern int gdb_print_insn (CORE_ADDR memaddr, struct ui_file *stream);
+extern void set_disassembler_options (char *options);
#endif
projects / deliverable / binutils-gdb.git / blobdiff