/* Dynamic architecture support for GDB, the GNU debugger.
- Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+ Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
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,
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, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* This file was created with the aid of ``gdbarch.sh''.
struct obstack;
struct bp_target_info;
struct target_desc;
+struct displaced_step_closure;
+struct core_regset_section;
extern struct gdbarch *current_gdbarch;
+extern struct gdbarch *target_gdbarch;
/* The following are pre-initialized by GDBARCH. */
extern const struct bfd_arch_info * gdbarch_bfd_arch_info (struct gdbarch *gdbarch);
/* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */
-#if !defined (GDB_TM_FILE) && defined (TARGET_ARCHITECTURE)
-#error "Non multi-arch definition of TARGET_ARCHITECTURE"
-#endif
-#if !defined (TARGET_ARCHITECTURE)
-#define TARGET_ARCHITECTURE (gdbarch_bfd_arch_info (current_gdbarch))
-#endif
extern int gdbarch_byte_order (struct gdbarch *gdbarch);
/* set_gdbarch_byte_order() - not applicable - pre-initialized. */
+extern int gdbarch_byte_order_for_code (struct gdbarch *gdbarch);
+/* set_gdbarch_byte_order_for_code() - not applicable - pre-initialized. */
+
extern enum gdb_osabi gdbarch_osabi (struct gdbarch *gdbarch);
/* set_gdbarch_osabi() - not applicable - pre-initialized. */
/* The following are initialized by the target dependent code. */
+/* The bit byte-order has to do just with numbering of bits in debugging symbols
+ and such. Conceptually, it's quite separate from byte/word byte order. */
+
+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:
/* For most targets, a pointer on the target and its representation as an
address in GDB have the same size and "look the same". For such a
- target, you need only set TARGET_PTR_BIT / ptr_bit and TARGET_ADDR_BIT
+ target, you need only set gdbarch_ptr_bit and gdbarch_addr_bit
/ addr_bit will be set from it.
- If TARGET_PTR_BIT and TARGET_ADDR_BIT are different, you'll probably
+ If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably
also need to set gdbarch_pointer_to_address and gdbarch_address_to_pointer
as well.
extern int gdbarch_ptr_bit (struct gdbarch *gdbarch);
extern void set_gdbarch_ptr_bit (struct gdbarch *gdbarch, int ptr_bit);
-#if !defined (GDB_TM_FILE) && defined (TARGET_PTR_BIT)
-#error "Non multi-arch definition of TARGET_PTR_BIT"
-#endif
-#if !defined (TARGET_PTR_BIT)
-#define TARGET_PTR_BIT (gdbarch_ptr_bit (current_gdbarch))
-#endif
/* addr_bit is the size of a target address as represented in gdb */
extern int gdbarch_addr_bit (struct gdbarch *gdbarch);
extern void set_gdbarch_addr_bit (struct gdbarch *gdbarch, int addr_bit);
-#if !defined (GDB_TM_FILE) && defined (TARGET_ADDR_BIT)
-#error "Non multi-arch definition of TARGET_ADDR_BIT"
-#endif
-#if !defined (TARGET_ADDR_BIT)
-#define TARGET_ADDR_BIT (gdbarch_addr_bit (current_gdbarch))
-#endif
-
-/* Number of bits in a BFD_VMA for the target object file format. */
-
-extern int gdbarch_bfd_vma_bit (struct gdbarch *gdbarch);
-extern void set_gdbarch_bfd_vma_bit (struct gdbarch *gdbarch, int bfd_vma_bit);
-#if !defined (GDB_TM_FILE) && defined (TARGET_BFD_VMA_BIT)
-#error "Non multi-arch definition of TARGET_BFD_VMA_BIT"
-#endif
-#if !defined (TARGET_BFD_VMA_BIT)
-#define TARGET_BFD_VMA_BIT (gdbarch_bfd_vma_bit (current_gdbarch))
-#endif
/* One if `char' acts like `signed char', zero if `unsigned char'. */
extern int gdbarch_char_signed (struct gdbarch *gdbarch);
extern void set_gdbarch_char_signed (struct gdbarch *gdbarch, int char_signed);
-#if defined (TARGET_READ_PC)
-/* Legacy for systems yet to multi-arch TARGET_READ_PC */
-#if !defined (TARGET_READ_PC_P)
-#define TARGET_READ_PC_P() (1)
-#endif
-#endif
-
extern int gdbarch_read_pc_p (struct gdbarch *gdbarch);
-#if !defined (GDB_TM_FILE) && defined (TARGET_READ_PC_P)
-#error "Non multi-arch definition of TARGET_READ_PC"
-#endif
-#if !defined (TARGET_READ_PC_P)
-#define TARGET_READ_PC_P() (gdbarch_read_pc_p (current_gdbarch))
-#endif
-typedef CORE_ADDR (gdbarch_read_pc_ftype) (ptid_t ptid);
-extern CORE_ADDR gdbarch_read_pc (struct gdbarch *gdbarch, ptid_t ptid);
+typedef CORE_ADDR (gdbarch_read_pc_ftype) (struct regcache *regcache);
+extern CORE_ADDR gdbarch_read_pc (struct gdbarch *gdbarch, struct regcache *regcache);
extern void set_gdbarch_read_pc (struct gdbarch *gdbarch, gdbarch_read_pc_ftype *read_pc);
-#if !defined (GDB_TM_FILE) && defined (TARGET_READ_PC)
-#error "Non multi-arch definition of TARGET_READ_PC"
-#endif
-#if !defined (TARGET_READ_PC)
-#define TARGET_READ_PC(ptid) (gdbarch_read_pc (current_gdbarch, ptid))
-#endif
-typedef void (gdbarch_write_pc_ftype) (CORE_ADDR val, ptid_t ptid);
-extern void gdbarch_write_pc (struct gdbarch *gdbarch, CORE_ADDR val, ptid_t ptid);
+extern int gdbarch_write_pc_p (struct gdbarch *gdbarch);
+
+typedef void (gdbarch_write_pc_ftype) (struct regcache *regcache, CORE_ADDR val);
+extern void gdbarch_write_pc (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR val);
extern void set_gdbarch_write_pc (struct gdbarch *gdbarch, gdbarch_write_pc_ftype *write_pc);
-#if !defined (GDB_TM_FILE) && defined (TARGET_WRITE_PC)
-#error "Non multi-arch definition of TARGET_WRITE_PC"
-#endif
-#if !defined (TARGET_WRITE_PC)
-#define TARGET_WRITE_PC(val, ptid) (gdbarch_write_pc (current_gdbarch, val, ptid))
-#endif
/* Function for getting target's idea of a frame pointer. FIXME: GDB's
whole scheme for dealing with "frames" and "frame pointers" needs a
serious shakedown. */
-typedef void (gdbarch_virtual_frame_pointer_ftype) (CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset);
+typedef void (gdbarch_virtual_frame_pointer_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset);
extern void gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset);
extern void set_gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, gdbarch_virtual_frame_pointer_ftype *virtual_frame_pointer);
/* GDB's standard (or well known) register numbers. These can map onto
a real register or a pseudo (computed) register or not be defined at
all (-1).
- SP_REGNUM will hopefully be replaced by UNWIND_SP. */
+ gdbarch_sp_regnum will hopefully be replaced by UNWIND_SP. */
extern int gdbarch_sp_regnum (struct gdbarch *gdbarch);
extern void set_gdbarch_sp_regnum (struct gdbarch *gdbarch, int sp_regnum);
-#if !defined (GDB_TM_FILE) && defined (SP_REGNUM)
-#error "Non multi-arch definition of SP_REGNUM"
-#endif
-#if !defined (SP_REGNUM)
-#define SP_REGNUM (gdbarch_sp_regnum (current_gdbarch))
-#endif
extern int gdbarch_pc_regnum (struct gdbarch *gdbarch);
extern void set_gdbarch_pc_regnum (struct gdbarch *gdbarch, int pc_regnum);
-#if !defined (GDB_TM_FILE) && defined (PC_REGNUM)
-#error "Non multi-arch definition of PC_REGNUM"
-#endif
-#if !defined (PC_REGNUM)
-#define PC_REGNUM (gdbarch_pc_regnum (current_gdbarch))
-#endif
extern int gdbarch_ps_regnum (struct gdbarch *gdbarch);
extern void set_gdbarch_ps_regnum (struct gdbarch *gdbarch, int ps_regnum);
-#if !defined (GDB_TM_FILE) && defined (PS_REGNUM)
-#error "Non multi-arch definition of PS_REGNUM"
-#endif
-#if !defined (PS_REGNUM)
-#define PS_REGNUM (gdbarch_ps_regnum (current_gdbarch))
-#endif
extern int gdbarch_fp0_regnum (struct gdbarch *gdbarch);
extern void set_gdbarch_fp0_regnum (struct gdbarch *gdbarch, int fp0_regnum);
-#if !defined (GDB_TM_FILE) && defined (FP0_REGNUM)
-#error "Non multi-arch definition of FP0_REGNUM"
-#endif
-#if !defined (FP0_REGNUM)
-#define FP0_REGNUM (gdbarch_fp0_regnum (current_gdbarch))
-#endif
/* Convert stab register number (from `r' declaration) to a gdb REGNUM. */
-typedef int (gdbarch_stab_reg_to_regnum_ftype) (int stab_regnr);
+typedef int (gdbarch_stab_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int stab_regnr);
extern int gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, int stab_regnr);
extern void set_gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_stab_reg_to_regnum_ftype *stab_reg_to_regnum);
-#if !defined (GDB_TM_FILE) && defined (STAB_REG_TO_REGNUM)
-#error "Non multi-arch definition of STAB_REG_TO_REGNUM"
-#endif
-#if !defined (STAB_REG_TO_REGNUM)
-#define STAB_REG_TO_REGNUM(stab_regnr) (gdbarch_stab_reg_to_regnum (current_gdbarch, stab_regnr))
-#endif
/* Provide a default mapping from a ecoff register number to a gdb REGNUM. */
-typedef int (gdbarch_ecoff_reg_to_regnum_ftype) (int ecoff_regnr);
+typedef int (gdbarch_ecoff_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int ecoff_regnr);
extern int gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, int ecoff_regnr);
extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_ecoff_reg_to_regnum_ftype *ecoff_reg_to_regnum);
-#if !defined (GDB_TM_FILE) && defined (ECOFF_REG_TO_REGNUM)
-#error "Non multi-arch definition of ECOFF_REG_TO_REGNUM"
-#endif
-#if !defined (ECOFF_REG_TO_REGNUM)
-#define ECOFF_REG_TO_REGNUM(ecoff_regnr) (gdbarch_ecoff_reg_to_regnum (current_gdbarch, ecoff_regnr))
-#endif
-
-/* Provide a default mapping from a DWARF register number to a gdb REGNUM. */
-
-typedef int (gdbarch_dwarf_reg_to_regnum_ftype) (int dwarf_regnr);
-extern int gdbarch_dwarf_reg_to_regnum (struct gdbarch *gdbarch, int dwarf_regnr);
-extern void set_gdbarch_dwarf_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_dwarf_reg_to_regnum_ftype *dwarf_reg_to_regnum);
-#if !defined (GDB_TM_FILE) && defined (DWARF_REG_TO_REGNUM)
-#error "Non multi-arch definition of DWARF_REG_TO_REGNUM"
-#endif
-#if !defined (DWARF_REG_TO_REGNUM)
-#define DWARF_REG_TO_REGNUM(dwarf_regnr) (gdbarch_dwarf_reg_to_regnum (current_gdbarch, dwarf_regnr))
-#endif
/* Convert from an sdb register number to an internal gdb register number. */
-typedef int (gdbarch_sdb_reg_to_regnum_ftype) (int sdb_regnr);
+typedef int (gdbarch_sdb_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int sdb_regnr);
extern int gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, int sdb_regnr);
extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_sdb_reg_to_regnum_ftype *sdb_reg_to_regnum);
-#if !defined (GDB_TM_FILE) && defined (SDB_REG_TO_REGNUM)
-#error "Non multi-arch definition of SDB_REG_TO_REGNUM"
-#endif
-#if !defined (SDB_REG_TO_REGNUM)
-#define SDB_REG_TO_REGNUM(sdb_regnr) (gdbarch_sdb_reg_to_regnum (current_gdbarch, sdb_regnr))
-#endif
-typedef int (gdbarch_dwarf2_reg_to_regnum_ftype) (int dwarf2_regnr);
+/* Provide a default mapping from a DWARF2 register number to a gdb REGNUM. */
+
+typedef int (gdbarch_dwarf2_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int dwarf2_regnr);
extern int gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, int dwarf2_regnr);
extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_dwarf2_reg_to_regnum_ftype *dwarf2_reg_to_regnum);
-#if !defined (GDB_TM_FILE) && defined (DWARF2_REG_TO_REGNUM)
-#error "Non multi-arch definition of DWARF2_REG_TO_REGNUM"
-#endif
-#if !defined (DWARF2_REG_TO_REGNUM)
-#define DWARF2_REG_TO_REGNUM(dwarf2_regnr) (gdbarch_dwarf2_reg_to_regnum (current_gdbarch, dwarf2_regnr))
-#endif
-typedef const char * (gdbarch_register_name_ftype) (int regnr);
+typedef const char * (gdbarch_register_name_ftype) (struct gdbarch *gdbarch, int regnr);
extern const char * gdbarch_register_name (struct gdbarch *gdbarch, int regnr);
extern void set_gdbarch_register_name (struct gdbarch *gdbarch, gdbarch_register_name_ftype *register_name);
/* See gdbint.texinfo, and PUSH_DUMMY_CALL. */
-extern int gdbarch_unwind_dummy_id_p (struct gdbarch *gdbarch);
+extern int gdbarch_dummy_id_p (struct gdbarch *gdbarch);
-typedef struct frame_id (gdbarch_unwind_dummy_id_ftype) (struct gdbarch *gdbarch, struct frame_info *info);
-extern struct frame_id gdbarch_unwind_dummy_id (struct gdbarch *gdbarch, struct frame_info *info);
-extern void set_gdbarch_unwind_dummy_id (struct gdbarch *gdbarch, gdbarch_unwind_dummy_id_ftype *unwind_dummy_id);
+typedef struct frame_id (gdbarch_dummy_id_ftype) (struct gdbarch *gdbarch, struct frame_info *this_frame);
+extern struct frame_id gdbarch_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame);
+extern void set_gdbarch_dummy_id (struct gdbarch *gdbarch, gdbarch_dummy_id_ftype *dummy_id);
-/* Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete
- DEPRECATED_FP_REGNUM. */
+/* Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete
+ deprecated_fp_regnum. */
extern int gdbarch_deprecated_fp_regnum (struct gdbarch *gdbarch);
extern void set_gdbarch_deprecated_fp_regnum (struct gdbarch *gdbarch, int deprecated_fp_regnum);
-#if !defined (GDB_TM_FILE) && defined (DEPRECATED_FP_REGNUM)
-#error "Non multi-arch definition of DEPRECATED_FP_REGNUM"
-#endif
-#if !defined (DEPRECATED_FP_REGNUM)
-#define DEPRECATED_FP_REGNUM (gdbarch_deprecated_fp_regnum (current_gdbarch))
-#endif
/* See gdbint.texinfo. See infcall.c. */
extern CORE_ADDR gdbarch_push_dummy_call (struct gdbarch *gdbarch, struct value *function, struct regcache *regcache, CORE_ADDR bp_addr, int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr);
extern void set_gdbarch_push_dummy_call (struct gdbarch *gdbarch, gdbarch_push_dummy_call_ftype *push_dummy_call);
-/* DEPRECATED_REGISTER_SIZE can be deleted. */
-
-extern int gdbarch_deprecated_register_size (struct gdbarch *gdbarch);
-extern void set_gdbarch_deprecated_register_size (struct gdbarch *gdbarch, int deprecated_register_size);
-#if !defined (GDB_TM_FILE) && defined (DEPRECATED_REGISTER_SIZE)
-#error "Non multi-arch definition of DEPRECATED_REGISTER_SIZE"
-#endif
-#if !defined (DEPRECATED_REGISTER_SIZE)
-#define DEPRECATED_REGISTER_SIZE (gdbarch_deprecated_register_size (current_gdbarch))
-#endif
-
extern int gdbarch_call_dummy_location (struct gdbarch *gdbarch);
extern void set_gdbarch_call_dummy_location (struct gdbarch *gdbarch, int call_dummy_location);
extern int gdbarch_push_dummy_code_p (struct gdbarch *gdbarch);
-typedef CORE_ADDR (gdbarch_push_dummy_code_ftype) (struct gdbarch *gdbarch, CORE_ADDR sp, CORE_ADDR funaddr, int using_gcc, struct value **args, int nargs, struct type *value_type, CORE_ADDR *real_pc, CORE_ADDR *bp_addr);
-extern CORE_ADDR gdbarch_push_dummy_code (struct gdbarch *gdbarch, CORE_ADDR sp, CORE_ADDR funaddr, int using_gcc, struct value **args, int nargs, struct type *value_type, CORE_ADDR *real_pc, CORE_ADDR *bp_addr);
+typedef CORE_ADDR (gdbarch_push_dummy_code_ftype) (struct gdbarch *gdbarch, CORE_ADDR sp, CORE_ADDR funaddr, struct value **args, int nargs, struct type *value_type, CORE_ADDR *real_pc, CORE_ADDR *bp_addr, struct regcache *regcache);
+extern CORE_ADDR gdbarch_push_dummy_code (struct gdbarch *gdbarch, CORE_ADDR sp, CORE_ADDR funaddr, struct value **args, int nargs, struct type *value_type, CORE_ADDR *real_pc, CORE_ADDR *bp_addr, struct regcache *regcache);
extern void set_gdbarch_push_dummy_code (struct gdbarch *gdbarch, gdbarch_push_dummy_code_ftype *push_dummy_code);
typedef void (gdbarch_print_registers_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, int regnum, int all);
/* MAP a GDB RAW register number onto a simulator register number. See
also include/...-sim.h. */
-typedef int (gdbarch_register_sim_regno_ftype) (int reg_nr);
+typedef int (gdbarch_register_sim_regno_ftype) (struct gdbarch *gdbarch, int reg_nr);
extern int gdbarch_register_sim_regno (struct gdbarch *gdbarch, int reg_nr);
extern void set_gdbarch_register_sim_regno (struct gdbarch *gdbarch, gdbarch_register_sim_regno_ftype *register_sim_regno);
-typedef int (gdbarch_cannot_fetch_register_ftype) (int regnum);
+typedef int (gdbarch_cannot_fetch_register_ftype) (struct gdbarch *gdbarch, int regnum);
extern int gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, int regnum);
extern void set_gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, gdbarch_cannot_fetch_register_ftype *cannot_fetch_register);
-typedef int (gdbarch_cannot_store_register_ftype) (int regnum);
+typedef int (gdbarch_cannot_store_register_ftype) (struct gdbarch *gdbarch, int regnum);
extern int gdbarch_cannot_store_register (struct gdbarch *gdbarch, int regnum);
extern void set_gdbarch_cannot_store_register (struct gdbarch *gdbarch, gdbarch_cannot_store_register_ftype *cannot_store_register);
extern int gdbarch_get_longjmp_target_p (struct gdbarch *gdbarch);
-typedef int (gdbarch_get_longjmp_target_ftype) (CORE_ADDR *pc);
-extern int gdbarch_get_longjmp_target (struct gdbarch *gdbarch, CORE_ADDR *pc);
+typedef int (gdbarch_get_longjmp_target_ftype) (struct frame_info *frame, CORE_ADDR *pc);
+extern int gdbarch_get_longjmp_target (struct gdbarch *gdbarch, struct frame_info *frame, CORE_ADDR *pc);
extern void set_gdbarch_get_longjmp_target (struct gdbarch *gdbarch, gdbarch_get_longjmp_target_ftype *get_longjmp_target);
extern int gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch);
extern void set_gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch, int believe_pcc_promotion);
-#if !defined (GDB_TM_FILE) && defined (BELIEVE_PCC_PROMOTION)
-#error "Non multi-arch definition of BELIEVE_PCC_PROMOTION"
-#endif
-#if !defined (BELIEVE_PCC_PROMOTION)
-#define BELIEVE_PCC_PROMOTION (gdbarch_believe_pcc_promotion (current_gdbarch))
-#endif
-typedef int (gdbarch_convert_register_p_ftype) (int regnum, struct type *type);
+typedef int (gdbarch_convert_register_p_ftype) (struct gdbarch *gdbarch, int regnum, struct type *type);
extern int gdbarch_convert_register_p (struct gdbarch *gdbarch, int regnum, struct type *type);
extern void set_gdbarch_convert_register_p (struct gdbarch *gdbarch, gdbarch_convert_register_p_ftype *convert_register_p);
extern CORE_ADDR gdbarch_integer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf);
extern void set_gdbarch_integer_to_address (struct gdbarch *gdbarch, gdbarch_integer_to_address_ftype *integer_to_address);
-/* It has been suggested that this, well actually its predecessor,
- should take the type/value of the function to be called and not the
- return type. This is left as an exercise for the reader.
- NOTE: cagney/2004-06-13: The function stack.c:return_command uses
- the predicate with default hack to avoid calling STORE_RETURN_VALUE
- (via legacy_return_value), when a small struct is involved. */
+/* Return the return-value convention that will be used by FUNCTYPE
+ to return a value of type VALTYPE. FUNCTYPE may be NULL in which
+ case the return convention is computed based only on VALTYPE.
+
+ If READBUF is not NULL, extract the return value and save it in this buffer.
+
+ If WRITEBUF is not NULL, it contains a return value which will be
+ stored into the appropriate register. This can be used when we want
+ to force the value returned by a function (see the "return" command
+ for instance). */
extern int gdbarch_return_value_p (struct gdbarch *gdbarch);
-typedef enum return_value_convention (gdbarch_return_value_ftype) (struct gdbarch *gdbarch, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf);
-extern enum return_value_convention gdbarch_return_value (struct gdbarch *gdbarch, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf);
+typedef enum return_value_convention (gdbarch_return_value_ftype) (struct gdbarch *gdbarch, struct type *functype, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf);
+extern enum return_value_convention gdbarch_return_value (struct gdbarch *gdbarch, struct type *functype, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf);
extern void set_gdbarch_return_value (struct gdbarch *gdbarch, gdbarch_return_value_ftype *return_value);
-/* The deprecated methods EXTRACT_RETURN_VALUE, STORE_RETURN_VALUE,
- DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS and
- DEPRECATED_USE_STRUCT_CONVENTION have all been folded into
- RETURN_VALUE. */
-
-typedef void (gdbarch_extract_return_value_ftype) (struct type *type, struct regcache *regcache, gdb_byte *valbuf);
-extern void gdbarch_extract_return_value (struct gdbarch *gdbarch, struct type *type, struct regcache *regcache, gdb_byte *valbuf);
-extern void set_gdbarch_extract_return_value (struct gdbarch *gdbarch, gdbarch_extract_return_value_ftype *extract_return_value);
-#if !defined (GDB_TM_FILE) && defined (EXTRACT_RETURN_VALUE)
-#error "Non multi-arch definition of EXTRACT_RETURN_VALUE"
-#endif
-#if !defined (EXTRACT_RETURN_VALUE)
-#define EXTRACT_RETURN_VALUE(type, regcache, valbuf) (gdbarch_extract_return_value (current_gdbarch, type, regcache, valbuf))
-#endif
-
-typedef void (gdbarch_store_return_value_ftype) (struct type *type, struct regcache *regcache, const gdb_byte *valbuf);
-extern void gdbarch_store_return_value (struct gdbarch *gdbarch, struct type *type, struct regcache *regcache, const gdb_byte *valbuf);
-extern void set_gdbarch_store_return_value (struct gdbarch *gdbarch, gdbarch_store_return_value_ftype *store_return_value);
-#if !defined (GDB_TM_FILE) && defined (STORE_RETURN_VALUE)
-#error "Non multi-arch definition of STORE_RETURN_VALUE"
-#endif
-#if !defined (STORE_RETURN_VALUE)
-#define STORE_RETURN_VALUE(type, regcache, valbuf) (gdbarch_store_return_value (current_gdbarch, type, regcache, valbuf))
-#endif
-
-typedef int (gdbarch_deprecated_use_struct_convention_ftype) (int gcc_p, struct type *value_type);
-extern int gdbarch_deprecated_use_struct_convention (struct gdbarch *gdbarch, int gcc_p, struct type *value_type);
-extern void set_gdbarch_deprecated_use_struct_convention (struct gdbarch *gdbarch, gdbarch_deprecated_use_struct_convention_ftype *deprecated_use_struct_convention);
-#if !defined (GDB_TM_FILE) && defined (DEPRECATED_USE_STRUCT_CONVENTION)
-#error "Non multi-arch definition of DEPRECATED_USE_STRUCT_CONVENTION"
-#endif
-#if !defined (DEPRECATED_USE_STRUCT_CONVENTION)
-#define DEPRECATED_USE_STRUCT_CONVENTION(gcc_p, value_type) (gdbarch_deprecated_use_struct_convention (current_gdbarch, gcc_p, value_type))
-#endif
-
-/* As of 2004-01-17 only the 32-bit SPARC ABI has been identified as an
- ABI suitable for the implementation of a robust extract
- struct-convention return-value address method (the sparc saves the
- address in the callers frame). All the other cases so far examined,
- the DEPRECATED_EXTRACT_STRUCT_VALUE implementation has been
- erreneous - the code was incorrectly assuming that the return-value
- address, stored in a register, was preserved across the entire
- function call.
- For the moment retain DEPRECATED_EXTRACT_STRUCT_VALUE as a marker of
- the ABIs that are still to be analyzed - perhaps this should simply
- be deleted. The commented out extract_returned_value_address method
- is provided as a starting point for the 32-bit SPARC. It, or
- something like it, along with changes to both infcmd.c and stack.c
- will be needed for that case to work. NB: It is passed the callers
- frame since it is only after the callee has returned that this
- function is used.
- M::CORE_ADDR:extract_returned_value_address:struct frame_info *caller_frame:caller_frame */
-
-#if defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS)
-/* Legacy for systems yet to multi-arch DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS */
-#if !defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P)
-#define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P() (1)
-#endif
-#endif
-
-extern int gdbarch_deprecated_extract_struct_value_address_p (struct gdbarch *gdbarch);
-#if !defined (GDB_TM_FILE) && defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P)
-#error "Non multi-arch definition of DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS"
-#endif
-#if !defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P)
-#define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P() (gdbarch_deprecated_extract_struct_value_address_p (current_gdbarch))
-#endif
-
-typedef CORE_ADDR (gdbarch_deprecated_extract_struct_value_address_ftype) (struct regcache *regcache);
-extern CORE_ADDR gdbarch_deprecated_extract_struct_value_address (struct gdbarch *gdbarch, struct regcache *regcache);
-extern void set_gdbarch_deprecated_extract_struct_value_address (struct gdbarch *gdbarch, gdbarch_deprecated_extract_struct_value_address_ftype *deprecated_extract_struct_value_address);
-#if !defined (GDB_TM_FILE) && defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS)
-#error "Non multi-arch definition of DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS"
-#endif
-#if !defined (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS)
-#define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(regcache) (gdbarch_deprecated_extract_struct_value_address (current_gdbarch, regcache))
-#endif
-
-typedef CORE_ADDR (gdbarch_skip_prologue_ftype) (CORE_ADDR ip);
+typedef CORE_ADDR (gdbarch_skip_prologue_ftype) (struct gdbarch *gdbarch, CORE_ADDR ip);
extern CORE_ADDR gdbarch_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR ip);
extern void set_gdbarch_skip_prologue (struct gdbarch *gdbarch, gdbarch_skip_prologue_ftype *skip_prologue);
+extern int gdbarch_skip_main_prologue_p (struct gdbarch *gdbarch);
+
+typedef CORE_ADDR (gdbarch_skip_main_prologue_ftype) (struct gdbarch *gdbarch, CORE_ADDR ip);
+extern CORE_ADDR gdbarch_skip_main_prologue (struct gdbarch *gdbarch, CORE_ADDR ip);
+extern void set_gdbarch_skip_main_prologue (struct gdbarch *gdbarch, gdbarch_skip_main_prologue_ftype *skip_main_prologue);
+
typedef int (gdbarch_inner_than_ftype) (CORE_ADDR lhs, CORE_ADDR rhs);
extern int gdbarch_inner_than (struct gdbarch *gdbarch, CORE_ADDR lhs, CORE_ADDR rhs);
extern void set_gdbarch_inner_than (struct gdbarch *gdbarch, gdbarch_inner_than_ftype *inner_than);
-typedef const gdb_byte * (gdbarch_breakpoint_from_pc_ftype) (CORE_ADDR *pcptr, int *lenptr);
+typedef const gdb_byte * (gdbarch_breakpoint_from_pc_ftype) (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr);
extern const gdb_byte * gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr);
extern void set_gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_breakpoint_from_pc_ftype *breakpoint_from_pc);
-#if !defined (GDB_TM_FILE) && defined (BREAKPOINT_FROM_PC)
-#error "Non multi-arch definition of BREAKPOINT_FROM_PC"
-#endif
-#if !defined (BREAKPOINT_FROM_PC)
-#define BREAKPOINT_FROM_PC(pcptr, lenptr) (gdbarch_breakpoint_from_pc (current_gdbarch, pcptr, lenptr))
-#endif
extern int gdbarch_adjust_breakpoint_address_p (struct gdbarch *gdbarch);
extern CORE_ADDR gdbarch_adjust_breakpoint_address (struct gdbarch *gdbarch, CORE_ADDR bpaddr);
extern void set_gdbarch_adjust_breakpoint_address (struct gdbarch *gdbarch, gdbarch_adjust_breakpoint_address_ftype *adjust_breakpoint_address);
-typedef int (gdbarch_memory_insert_breakpoint_ftype) (struct bp_target_info *bp_tgt);
+typedef int (gdbarch_memory_insert_breakpoint_ftype) (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt);
extern int gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt);
extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_insert_breakpoint_ftype *memory_insert_breakpoint);
-typedef int (gdbarch_memory_remove_breakpoint_ftype) (struct bp_target_info *bp_tgt);
+typedef int (gdbarch_memory_remove_breakpoint_ftype) (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt);
extern int gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt);
extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_remove_breakpoint_ftype *memory_remove_breakpoint);
/* A function can be addressed by either it's "pointer" (possibly a
descriptor address) or "entry point" (first executable instruction).
The method "convert_from_func_ptr_addr" converting the former to the
- latter. DEPRECATED_FUNCTION_START_OFFSET is being used to implement
+ latter. gdbarch_deprecated_function_start_offset is being used to implement
a simplified subset of that functionality - the function's address
corresponds to the "function pointer" and the function's start
corresponds to the "function entry point" - and hence is redundant. */
extern CORE_ADDR gdbarch_deprecated_function_start_offset (struct gdbarch *gdbarch);
extern void set_gdbarch_deprecated_function_start_offset (struct gdbarch *gdbarch, CORE_ADDR deprecated_function_start_offset);
-#if !defined (GDB_TM_FILE) && defined (DEPRECATED_FUNCTION_START_OFFSET)
-#error "Non multi-arch definition of DEPRECATED_FUNCTION_START_OFFSET"
-#endif
-#if !defined (DEPRECATED_FUNCTION_START_OFFSET)
-#define DEPRECATED_FUNCTION_START_OFFSET (gdbarch_deprecated_function_start_offset (current_gdbarch))
-#endif
/* Return the remote protocol register number associated with this
register. Normally the identity mapping. */
extern int gdbarch_frame_num_args (struct gdbarch *gdbarch, struct frame_info *frame);
extern void set_gdbarch_frame_num_args (struct gdbarch *gdbarch, gdbarch_frame_num_args_ftype *frame_num_args);
-/* DEPRECATED_STACK_ALIGN has been replaced by an initial aligning call
- to frame_align and the requirement that methods such as
- push_dummy_call and frame_red_zone_size maintain correct stack/frame
- alignment. */
-
-#if defined (DEPRECATED_STACK_ALIGN)
-/* Legacy for systems yet to multi-arch DEPRECATED_STACK_ALIGN */
-#if !defined (DEPRECATED_STACK_ALIGN_P)
-#define DEPRECATED_STACK_ALIGN_P() (1)
-#endif
-#endif
-
-extern int gdbarch_deprecated_stack_align_p (struct gdbarch *gdbarch);
-#if !defined (GDB_TM_FILE) && defined (DEPRECATED_STACK_ALIGN_P)
-#error "Non multi-arch definition of DEPRECATED_STACK_ALIGN"
-#endif
-#if !defined (DEPRECATED_STACK_ALIGN_P)
-#define DEPRECATED_STACK_ALIGN_P() (gdbarch_deprecated_stack_align_p (current_gdbarch))
-#endif
-
-typedef CORE_ADDR (gdbarch_deprecated_stack_align_ftype) (CORE_ADDR sp);
-extern CORE_ADDR gdbarch_deprecated_stack_align (struct gdbarch *gdbarch, CORE_ADDR sp);
-extern void set_gdbarch_deprecated_stack_align (struct gdbarch *gdbarch, gdbarch_deprecated_stack_align_ftype *deprecated_stack_align);
-#if !defined (GDB_TM_FILE) && defined (DEPRECATED_STACK_ALIGN)
-#error "Non multi-arch definition of DEPRECATED_STACK_ALIGN"
-#endif
-#if !defined (DEPRECATED_STACK_ALIGN)
-#define DEPRECATED_STACK_ALIGN(sp) (gdbarch_deprecated_stack_align (current_gdbarch, sp))
-#endif
-
extern int gdbarch_frame_align_p (struct gdbarch *gdbarch);
typedef CORE_ADDR (gdbarch_frame_align_ftype) (struct gdbarch *gdbarch, CORE_ADDR address);
extern CORE_ADDR gdbarch_frame_align (struct gdbarch *gdbarch, CORE_ADDR address);
extern void set_gdbarch_frame_align (struct gdbarch *gdbarch, gdbarch_frame_align_ftype *frame_align);
-/* DEPRECATED_REG_STRUCT_HAS_ADDR has been replaced by
- stabs_argument_has_addr. */
-
-#if defined (DEPRECATED_REG_STRUCT_HAS_ADDR)
-/* Legacy for systems yet to multi-arch DEPRECATED_REG_STRUCT_HAS_ADDR */
-#if !defined (DEPRECATED_REG_STRUCT_HAS_ADDR_P)
-#define DEPRECATED_REG_STRUCT_HAS_ADDR_P() (1)
-#endif
-#endif
-
-extern int gdbarch_deprecated_reg_struct_has_addr_p (struct gdbarch *gdbarch);
-#if !defined (GDB_TM_FILE) && defined (DEPRECATED_REG_STRUCT_HAS_ADDR_P)
-#error "Non multi-arch definition of DEPRECATED_REG_STRUCT_HAS_ADDR"
-#endif
-#if !defined (DEPRECATED_REG_STRUCT_HAS_ADDR_P)
-#define DEPRECATED_REG_STRUCT_HAS_ADDR_P() (gdbarch_deprecated_reg_struct_has_addr_p (current_gdbarch))
-#endif
-
-typedef int (gdbarch_deprecated_reg_struct_has_addr_ftype) (int gcc_p, struct type *type);
-extern int gdbarch_deprecated_reg_struct_has_addr (struct gdbarch *gdbarch, int gcc_p, struct type *type);
-extern void set_gdbarch_deprecated_reg_struct_has_addr (struct gdbarch *gdbarch, gdbarch_deprecated_reg_struct_has_addr_ftype *deprecated_reg_struct_has_addr);
-#if !defined (GDB_TM_FILE) && defined (DEPRECATED_REG_STRUCT_HAS_ADDR)
-#error "Non multi-arch definition of DEPRECATED_REG_STRUCT_HAS_ADDR"
-#endif
-#if !defined (DEPRECATED_REG_STRUCT_HAS_ADDR)
-#define DEPRECATED_REG_STRUCT_HAS_ADDR(gcc_p, type) (gdbarch_deprecated_reg_struct_has_addr (current_gdbarch, gcc_p, type))
-#endif
-
typedef int (gdbarch_stabs_argument_has_addr_ftype) (struct gdbarch *gdbarch, struct type *type);
extern int gdbarch_stabs_argument_has_addr (struct gdbarch *gdbarch, struct type *type);
extern void set_gdbarch_stabs_argument_has_addr (struct gdbarch *gdbarch, gdbarch_stabs_argument_has_addr_ftype *stabs_argument_has_addr);
sort of generic thing to handle alignment or segmentation (it's
possible it should be in TARGET_READ_PC instead). */
-typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype) (CORE_ADDR addr);
+typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
extern CORE_ADDR gdbarch_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr);
extern void set_gdbarch_addr_bits_remove (struct gdbarch *gdbarch, gdbarch_addr_bits_remove_ftype *addr_bits_remove);
/* It is not at all clear why gdbarch_smash_text_address is not folded into
gdbarch_addr_bits_remove. */
-typedef CORE_ADDR (gdbarch_smash_text_address_ftype) (CORE_ADDR addr);
+typedef CORE_ADDR (gdbarch_smash_text_address_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
extern CORE_ADDR gdbarch_smash_text_address (struct gdbarch *gdbarch, CORE_ADDR addr);
extern void set_gdbarch_smash_text_address (struct gdbarch *gdbarch, gdbarch_smash_text_address_ftype *smash_text_address);
A return value of 1 means that the software_single_step breakpoints
were inserted; 0 means they were not. */
-#if defined (SOFTWARE_SINGLE_STEP)
-/* Legacy for systems yet to multi-arch SOFTWARE_SINGLE_STEP */
-#if !defined (SOFTWARE_SINGLE_STEP_P)
-#define SOFTWARE_SINGLE_STEP_P() (1)
-#endif
-#endif
-
extern int gdbarch_software_single_step_p (struct gdbarch *gdbarch);
-#if !defined (GDB_TM_FILE) && defined (SOFTWARE_SINGLE_STEP_P)
-#error "Non multi-arch definition of SOFTWARE_SINGLE_STEP"
-#endif
-#if !defined (SOFTWARE_SINGLE_STEP_P)
-#define SOFTWARE_SINGLE_STEP_P() (gdbarch_software_single_step_p (current_gdbarch))
-#endif
-typedef int (gdbarch_software_single_step_ftype) (struct regcache *regcache);
-extern int gdbarch_software_single_step (struct gdbarch *gdbarch, struct regcache *regcache);
+typedef int (gdbarch_software_single_step_ftype) (struct frame_info *frame);
+extern int gdbarch_software_single_step (struct gdbarch *gdbarch, struct frame_info *frame);
extern void set_gdbarch_software_single_step (struct gdbarch *gdbarch, gdbarch_software_single_step_ftype *software_single_step);
-#if !defined (GDB_TM_FILE) && defined (SOFTWARE_SINGLE_STEP)
-#error "Non multi-arch definition of SOFTWARE_SINGLE_STEP"
-#endif
-#if !defined (SOFTWARE_SINGLE_STEP)
-#define SOFTWARE_SINGLE_STEP(regcache) (gdbarch_software_single_step (current_gdbarch, regcache))
-#endif
/* Return non-zero if the processor is executing a delay slot and a
further single-step is needed before the instruction finishes. */
typedef int (gdbarch_print_insn_ftype) (bfd_vma vma, struct disassemble_info *info);
extern int gdbarch_print_insn (struct gdbarch *gdbarch, bfd_vma vma, struct disassemble_info *info);
extern void set_gdbarch_print_insn (struct gdbarch *gdbarch, gdbarch_print_insn_ftype *print_insn);
-#if !defined (GDB_TM_FILE) && defined (TARGET_PRINT_INSN)
-#error "Non multi-arch definition of TARGET_PRINT_INSN"
-#endif
-#if !defined (TARGET_PRINT_INSN)
-#define TARGET_PRINT_INSN(vma, info) (gdbarch_print_insn (current_gdbarch, vma, info))
-#endif
-typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype) (CORE_ADDR pc);
-extern CORE_ADDR gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, CORE_ADDR pc);
+typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype) (struct frame_info *frame, CORE_ADDR pc);
+extern CORE_ADDR gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, struct frame_info *frame, CORE_ADDR pc);
extern void set_gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, gdbarch_skip_trampoline_code_ftype *skip_trampoline_code);
-/* If IN_SOLIB_DYNSYM_RESOLVE_CODE returns true, and SKIP_SOLIB_RESOLVER
+/* If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER
evaluates non-zero, this is the address where the debugger will place
a step-resume breakpoint to get us past the dynamic linker. */
extern const struct regset * gdbarch_regset_from_core_section (struct gdbarch *gdbarch, const char *sect_name, size_t sect_size);
extern void set_gdbarch_regset_from_core_section (struct gdbarch *gdbarch, gdbarch_regset_from_core_section_ftype *regset_from_core_section);
+/* Supported register notes in a core file. */
+
+extern struct core_regset_section * gdbarch_core_regset_sections (struct gdbarch *gdbarch);
+extern void set_gdbarch_core_regset_sections (struct gdbarch *gdbarch, struct core_regset_section * core_regset_sections);
+
+/* Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from
+ core file into buffer READBUF with length LEN. */
+
+extern int gdbarch_core_xfer_shared_libraries_p (struct gdbarch *gdbarch);
+
+typedef LONGEST (gdbarch_core_xfer_shared_libraries_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, LONGEST len);
+extern LONGEST gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, LONGEST len);
+extern void set_gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdbarch_core_xfer_shared_libraries_ftype *core_xfer_shared_libraries);
+
/* If the elements of C++ vtables are in-place function descriptors rather
than normal function pointers (which may point to code or a descriptor),
set this to one. */
extern void gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, struct regcache *regcache);
extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, gdbarch_skip_permanent_breakpoint_ftype *skip_permanent_breakpoint);
+/* The maximum length of an instruction on this architecture. */
+
+extern int gdbarch_max_insn_length_p (struct gdbarch *gdbarch);
+
+extern ULONGEST gdbarch_max_insn_length (struct gdbarch *gdbarch);
+extern void set_gdbarch_max_insn_length (struct gdbarch *gdbarch, ULONGEST max_insn_length);
+
+/* Copy the instruction at FROM to TO, and make any adjustments
+ necessary to single-step it at that address.
+
+ REGS holds the state the thread's registers will have before
+ executing the copied instruction; the PC in REGS will refer to FROM,
+ not the copy at TO. The caller should update it to point at TO later.
+
+ Return a pointer to data of the architecture's choice to be passed
+ to gdbarch_displaced_step_fixup. Or, return NULL to indicate that
+ the instruction's effects have been completely simulated, with the
+ resulting state written back to REGS.
+
+ For a general explanation of displaced stepping and how GDB uses it,
+ see the comments in infrun.c.
+
+ The TO area is only guaranteed to have space for
+ gdbarch_max_insn_length (arch) bytes, so this function must not
+ write more bytes than that to that area.
+
+ If you do not provide this function, GDB assumes that the
+ architecture does not support displaced stepping.
+
+ If your architecture doesn't need to adjust instructions before
+ single-stepping them, consider using simple_displaced_step_copy_insn
+ here. */
+
+extern int gdbarch_displaced_step_copy_insn_p (struct gdbarch *gdbarch);
+
+typedef struct displaced_step_closure * (gdbarch_displaced_step_copy_insn_ftype) (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, struct regcache *regs);
+extern struct displaced_step_closure * gdbarch_displaced_step_copy_insn (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, struct regcache *regs);
+extern void set_gdbarch_displaced_step_copy_insn (struct gdbarch *gdbarch, gdbarch_displaced_step_copy_insn_ftype *displaced_step_copy_insn);
+
+/* Fix up the state resulting from successfully single-stepping a
+ displaced instruction, to give the result we would have gotten from
+ stepping the instruction in its original location.
+
+ REGS is the register state resulting from single-stepping the
+ displaced instruction.
+
+ CLOSURE is the result from the matching call to
+ gdbarch_displaced_step_copy_insn.
+
+ If you provide gdbarch_displaced_step_copy_insn.but not this
+ function, then GDB assumes that no fixup is needed after
+ single-stepping the instruction.
+
+ For a general explanation of displaced stepping and how GDB uses it,
+ see the comments in infrun.c. */
+
+extern int gdbarch_displaced_step_fixup_p (struct gdbarch *gdbarch);
+
+typedef void (gdbarch_displaced_step_fixup_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs);
+extern void gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs);
+extern void set_gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, gdbarch_displaced_step_fixup_ftype *displaced_step_fixup);
+
+/* Free a closure returned by gdbarch_displaced_step_copy_insn.
+
+ If you provide gdbarch_displaced_step_copy_insn, you must provide
+ this function as well.
+
+ If your architecture uses closures that don't need to be freed, then
+ you can use simple_displaced_step_free_closure here.
+
+ For a general explanation of displaced stepping and how GDB uses it,
+ see the comments in infrun.c. */
+
+typedef void (gdbarch_displaced_step_free_closure_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure);
+extern void gdbarch_displaced_step_free_closure (struct gdbarch *gdbarch, struct displaced_step_closure *closure);
+extern void set_gdbarch_displaced_step_free_closure (struct gdbarch *gdbarch, gdbarch_displaced_step_free_closure_ftype *displaced_step_free_closure);
+
+/* Return the address of an appropriate place to put displaced
+ instructions while we step over them. There need only be one such
+ place, since we're only stepping one thread over a breakpoint at a
+ time.
+
+ For a general explanation of displaced stepping and how GDB uses it,
+ see the comments in infrun.c. */
+
+typedef CORE_ADDR (gdbarch_displaced_step_location_ftype) (struct gdbarch *gdbarch);
+extern CORE_ADDR gdbarch_displaced_step_location (struct gdbarch *gdbarch);
+extern void set_gdbarch_displaced_step_location (struct gdbarch *gdbarch, gdbarch_displaced_step_location_ftype *displaced_step_location);
+
/* Refresh overlay mapped state for section OSECT. */
extern int gdbarch_overlay_update_p (struct gdbarch *gdbarch);
extern void gdbarch_overlay_update (struct gdbarch *gdbarch, struct obj_section *osect);
extern void set_gdbarch_overlay_update (struct gdbarch *gdbarch, gdbarch_overlay_update_ftype *overlay_update);
+extern int gdbarch_core_read_description_p (struct gdbarch *gdbarch);
+
+typedef const struct target_desc * (gdbarch_core_read_description_ftype) (struct gdbarch *gdbarch, struct target_ops *target, bfd *abfd);
+extern const struct target_desc * gdbarch_core_read_description (struct gdbarch *gdbarch, struct target_ops *target, bfd *abfd);
+extern void set_gdbarch_core_read_description (struct gdbarch *gdbarch, gdbarch_core_read_description_ftype *core_read_description);
+
+/* Handle special encoding of static variables in stabs debug info. */
+
+extern int gdbarch_static_transform_name_p (struct gdbarch *gdbarch);
+
+typedef char * (gdbarch_static_transform_name_ftype) (char *name);
+extern char * gdbarch_static_transform_name (struct gdbarch *gdbarch, char *name);
+extern void set_gdbarch_static_transform_name (struct gdbarch *gdbarch, gdbarch_static_transform_name_ftype *static_transform_name);
+
+/* Set if the address in N_SO or N_FUN stabs may be zero. */
+
+extern int gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch);
+extern void set_gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch, int sofun_address_maybe_missing);
+
+/* Signal translation: translate inferior's signal (host's) number into
+ GDB's representation. */
+
+typedef enum target_signal (gdbarch_target_signal_from_host_ftype) (struct gdbarch *gdbarch, int signo);
+extern enum target_signal gdbarch_target_signal_from_host (struct gdbarch *gdbarch, int signo);
+extern void set_gdbarch_target_signal_from_host (struct gdbarch *gdbarch, gdbarch_target_signal_from_host_ftype *target_signal_from_host);
+
+/* Signal translation: translate GDB's signal number into inferior's host
+ signal number. */
+
+typedef int (gdbarch_target_signal_to_host_ftype) (struct gdbarch *gdbarch, enum target_signal ts);
+extern int gdbarch_target_signal_to_host (struct gdbarch *gdbarch, enum target_signal ts);
+extern void set_gdbarch_target_signal_to_host (struct gdbarch *gdbarch, gdbarch_target_signal_to_host_ftype *target_signal_to_host);
+
+/* Record architecture-specific information from the symbol table. */
+
+extern int gdbarch_record_special_symbol_p (struct gdbarch *gdbarch);
+
+typedef void (gdbarch_record_special_symbol_ftype) (struct gdbarch *gdbarch, struct objfile *objfile, asymbol *sym);
+extern void gdbarch_record_special_symbol (struct gdbarch *gdbarch, struct objfile *objfile, asymbol *sym);
+extern void set_gdbarch_record_special_symbol (struct gdbarch *gdbarch, gdbarch_record_special_symbol_ftype *record_special_symbol);
+
extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
/* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
int byte_order;
+ int byte_order_for_code;
+
/* Use default: NULL (ZERO). */
bfd *abfd;
extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
-
-/* Register per-architecture memory region.
-
- Provide a memory-region swap mechanism. Per-architecture memory
- region are created. These memory regions are swapped whenever the
- architecture is changed. For a new architecture, the memory region
- is initialized with zero (0) and the INIT function is called.
-
- Memory regions are swapped / initialized in the order that they are
- registered. NULL DATA and/or INIT values can be specified.
-
- New code should use gdbarch_data_register_*(). */
-
-typedef void (gdbarch_swap_ftype) (void);
-extern void deprecated_register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
-#define DEPRECATED_REGISTER_GDBARCH_SWAP(VAR) deprecated_register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
-
-
-
/* Set the dynamic target-system-dependent parameters (architecture,
byte-order, ...) using information found in the BFD */
projects / deliverable / binutils-gdb.git / blobdiff