/* Dynamic architecture support for GDB, the GNU debugger.
- Copyright (C) 1998-2016 Free Software Foundation, Inc.
+ Copyright (C) 1998-2017 Free Software Foundation, Inc.
This file is part of GDB.
#ifndef GDBARCH_H
#define GDBARCH_H
+#include <vector>
#include "frame.h"
+#include "dis-asm.h"
struct floatformat;
struct ui_file;
extern int gdbarch_bits_big_endian (struct gdbarch *gdbarch);
extern void set_gdbarch_bits_big_endian (struct gdbarch *gdbarch, int bits_big_endian);
-/* Number of bits in a char or unsigned char for the target machine.
- Just like CHAR_BIT in <limits.h> but describes the target machine.
- v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
-
- Number of bits in a short or unsigned short for the target machine. */
+/* Number of bits in a short or unsigned short for the target machine. */
extern int gdbarch_short_bit (struct gdbarch *gdbarch);
extern void set_gdbarch_short_bit (struct gdbarch *gdbarch, int short_bit);
extern const struct floatformat ** gdbarch_long_double_format (struct gdbarch *gdbarch);
extern void set_gdbarch_long_double_format (struct gdbarch *gdbarch, const struct floatformat ** long_double_format);
+/* The ABI default bit-size for "wchar_t". wchar_t is a built-in type
+ starting with C++11. */
+
+extern int gdbarch_wchar_bit (struct gdbarch *gdbarch);
+extern void set_gdbarch_wchar_bit (struct gdbarch *gdbarch, int wchar_bit);
+
+/* One if `wchar_t' is signed, zero if unsigned. */
+
+extern int gdbarch_wchar_signed (struct gdbarch *gdbarch);
+extern void set_gdbarch_wchar_signed (struct gdbarch *gdbarch, int wchar_signed);
+
/* Returns the floating-point format to be used for values of length LENGTH.
NAME, if non-NULL, is the type name, which may be used to distinguish
different target formats of the same length. */
FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the
target can single step. If not, then implement single step using breakpoints.
- A return value of 1 means that the software_single_step breakpoints
- were inserted; 0 means they were not. Multiple breakpoints may be
- inserted for some instructions such as conditional branch. However,
- each implementation must always evaluate the condition and only put
- the breakpoint at the branch destination if the condition is true, so
- that we ensure forward progress when stepping past a conditional
- branch to self. */
+ Return a vector of addresses on which the software single step
+ breakpoints should be inserted. NULL means software single step is
+ not used.
+ Multiple breakpoints may be inserted for some instructions such as
+ conditional branch. However, each implementation must always evaluate
+ the condition and only put the breakpoint at the branch destination if
+ the condition is true, so that we ensure forward progress when stepping
+ past a conditional branch to self. */
extern int gdbarch_software_single_step_p (struct gdbarch *gdbarch);
-typedef int (gdbarch_software_single_step_ftype) (struct frame_info *frame);
-extern int gdbarch_software_single_step (struct gdbarch *gdbarch, struct frame_info *frame);
+typedef std::vector<CORE_ADDR> (gdbarch_software_single_step_ftype) (struct regcache *regcache);
+extern std::vector<CORE_ADDR> gdbarch_software_single_step (struct gdbarch *gdbarch, struct regcache *regcache);
extern void set_gdbarch_software_single_step (struct gdbarch *gdbarch, gdbarch_software_single_step_ftype *software_single_step);
/* Return non-zero if the processor is executing a delay slot and a
extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch *gdbarch, int type_flags);
extern void set_gdbarch_address_class_type_flags_to_name (struct gdbarch *gdbarch, gdbarch_address_class_type_flags_to_name_ftype *address_class_type_flags_to_name);
+/* Execute vendor-specific DWARF Call Frame Instruction. OP is the instruction.
+ FS are passed from the generic execute_cfa_program function. */
+
+typedef bool (gdbarch_execute_dwarf_cfa_vendor_op_ftype) (struct gdbarch *gdbarch, gdb_byte op, struct dwarf2_frame_state *fs);
+extern bool gdbarch_execute_dwarf_cfa_vendor_op (struct gdbarch *gdbarch, gdb_byte op, struct dwarf2_frame_state *fs);
+extern void set_gdbarch_execute_dwarf_cfa_vendor_op (struct gdbarch *gdbarch, gdbarch_execute_dwarf_cfa_vendor_op_ftype *execute_dwarf_cfa_vendor_op);
+
/* Return the appropriate type_flags for the supplied address class.
This function should return 1 if the address class was recognized and
type_flags was set, zero otherwise. */
extern int gdbarch_core_pid_to_str_p (struct gdbarch *gdbarch);
-typedef char * (gdbarch_core_pid_to_str_ftype) (struct gdbarch *gdbarch, ptid_t ptid);
-extern char * gdbarch_core_pid_to_str (struct gdbarch *gdbarch, ptid_t ptid);
+typedef const char * (gdbarch_core_pid_to_str_ftype) (struct gdbarch *gdbarch, ptid_t ptid);
+extern const char * gdbarch_core_pid_to_str (struct gdbarch *gdbarch, ptid_t ptid);
extern void set_gdbarch_core_pid_to_str (struct gdbarch *gdbarch, gdbarch_core_pid_to_str_ftype *core_pid_to_str);
/* How the core target extracts the name of a thread from a core file. */
extern int gdbarch_addressable_memory_unit_size (struct gdbarch *gdbarch);
extern void set_gdbarch_addressable_memory_unit_size (struct gdbarch *gdbarch, gdbarch_addressable_memory_unit_size_ftype *addressable_memory_unit_size);
+/* Functions for allowing a target to modify its disassembler options. */
+
+extern char ** gdbarch_disassembler_options (struct gdbarch *gdbarch);
+extern void set_gdbarch_disassembler_options (struct gdbarch *gdbarch, char ** disassembler_options);
+
+extern const disasm_options_t * gdbarch_valid_disassembler_options (struct gdbarch *gdbarch);
+extern void set_gdbarch_valid_disassembler_options (struct gdbarch *gdbarch, const disasm_options_t * valid_disassembler_options);
+
/* Definition for an unknown syscall, used basically in error-cases. */
#define UNKNOWN_SYSCALL (-1)
projects / deliverable / binutils-gdb.git / blobdiff