/* Disassemble support for GDB.
- Copyright (C) 2002, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2002-2017 Free Software Foundation, Inc.
This file is part of GDB.
#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;
-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);
+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;
+ 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 (CORE_ADDR memaddr,
- struct ui_file *stream,
- int *branch_delay_insns);
+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