| /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */ |
| |
| /* Dynamic architecture support for GDB, the GNU debugger. |
| |
| 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 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/>. */ |
| |
| /* This file was created with the aid of ``gdbarch.sh''. |
| |
| The Bourne shell script ``gdbarch.sh'' creates the files |
| ``new-gdbarch.c'' and ``new-gdbarch.h and then compares them |
| against the existing ``gdbarch.[hc]''. Any differences found |
| being reported. |
| |
| If editing this file, please also run gdbarch.sh and merge any |
| changes into that script. Conversely, when making sweeping changes |
| to this file, modifying gdbarch.sh and using its output may prove |
| easier. */ |
| |
| #ifndef GDBARCH_H |
| #define GDBARCH_H |
| |
| struct floatformat; |
| struct ui_file; |
| struct frame_info; |
| struct value; |
| struct objfile; |
| struct obj_section; |
| struct minimal_symbol; |
| struct regcache; |
| struct reggroup; |
| struct regset; |
| struct disassemble_info; |
| struct target_ops; |
| struct obstack; |
| struct bp_target_info; |
| struct target_desc; |
| |
| extern struct gdbarch *current_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. */ |
| |
| extern int gdbarch_byte_order (struct gdbarch *gdbarch); |
| /* set_gdbarch_byte_order() - not applicable - pre-initialized. */ |
| |
| extern enum gdb_osabi gdbarch_osabi (struct gdbarch *gdbarch); |
| /* set_gdbarch_osabi() - not applicable - pre-initialized. */ |
| |
| extern const struct target_desc * gdbarch_target_desc (struct gdbarch *gdbarch); |
| /* set_gdbarch_target_desc() - 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: |
| |
| 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); |
| |
| /* Number of bits in an int or unsigned int for the target machine. */ |
| |
| extern int gdbarch_int_bit (struct gdbarch *gdbarch); |
| extern void set_gdbarch_int_bit (struct gdbarch *gdbarch, int int_bit); |
| |
| /* Number of bits in a long or unsigned long for the target machine. */ |
| |
| extern int gdbarch_long_bit (struct gdbarch *gdbarch); |
| extern void set_gdbarch_long_bit (struct gdbarch *gdbarch, int long_bit); |
| |
| /* Number of bits in a long long or unsigned long long for the target |
| machine. */ |
| |
| extern int gdbarch_long_long_bit (struct gdbarch *gdbarch); |
| extern void set_gdbarch_long_long_bit (struct gdbarch *gdbarch, int long_long_bit); |
| |
| /* The ABI default bit-size and format for "float", "double", and "long |
| double". These bit/format pairs should eventually be combined into |
| a single object. For the moment, just initialize them as a pair. |
| Each format describes both the big and little endian layouts (if |
| useful). */ |
| |
| extern int gdbarch_float_bit (struct gdbarch *gdbarch); |
| extern void set_gdbarch_float_bit (struct gdbarch *gdbarch, int float_bit); |
| |
| extern const struct floatformat ** gdbarch_float_format (struct gdbarch *gdbarch); |
| extern void set_gdbarch_float_format (struct gdbarch *gdbarch, const struct floatformat ** float_format); |
| |
| extern int gdbarch_double_bit (struct gdbarch *gdbarch); |
| extern void set_gdbarch_double_bit (struct gdbarch *gdbarch, int double_bit); |
| |
| extern const struct floatformat ** gdbarch_double_format (struct gdbarch *gdbarch); |
| extern void set_gdbarch_double_format (struct gdbarch *gdbarch, const struct floatformat ** double_format); |
| |
| extern int gdbarch_long_double_bit (struct gdbarch *gdbarch); |
| extern void set_gdbarch_long_double_bit (struct gdbarch *gdbarch, int long_double_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); |
| |
| /* 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 gdbarch_ptr_bit and gdbarch_addr_bit |
| / addr_bit will be set from it. |
| |
| 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. |
| |
| ptr_bit is the size of a pointer on the target */ |
| |
| extern int gdbarch_ptr_bit (struct gdbarch *gdbarch); |
| extern void set_gdbarch_ptr_bit (struct gdbarch *gdbarch, int ptr_bit); |
| |
| /* 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); |
| |
| /* 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); |
| |
| extern int gdbarch_read_pc_p (struct gdbarch *gdbarch); |
| |
| 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); |
| |
| 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); |
| |
| /* 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) (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); |
| |
| extern int gdbarch_pseudo_register_read_p (struct gdbarch *gdbarch); |
| |
| typedef void (gdbarch_pseudo_register_read_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf); |
| extern void gdbarch_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf); |
| extern void set_gdbarch_pseudo_register_read (struct gdbarch *gdbarch, gdbarch_pseudo_register_read_ftype *pseudo_register_read); |
| |
| extern int gdbarch_pseudo_register_write_p (struct gdbarch *gdbarch); |
| |
| typedef void (gdbarch_pseudo_register_write_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, const gdb_byte *buf); |
| extern void gdbarch_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, const gdb_byte *buf); |
| extern void set_gdbarch_pseudo_register_write (struct gdbarch *gdbarch, gdbarch_pseudo_register_write_ftype *pseudo_register_write); |
| |
| extern int gdbarch_num_regs (struct gdbarch *gdbarch); |
| extern void set_gdbarch_num_regs (struct gdbarch *gdbarch, int num_regs); |
| |
| /* This macro gives the number of pseudo-registers that live in the |
| register namespace but do not get fetched or stored on the target. |
| These pseudo-registers may be aliases for other registers, |
| combinations of other registers, or they may be computed by GDB. */ |
| |
| extern int gdbarch_num_pseudo_regs (struct gdbarch *gdbarch); |
| extern void set_gdbarch_num_pseudo_regs (struct gdbarch *gdbarch, int num_pseudo_regs); |
| |
| /* 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). |
| 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); |
| |
| extern int gdbarch_pc_regnum (struct gdbarch *gdbarch); |
| extern void set_gdbarch_pc_regnum (struct gdbarch *gdbarch, int pc_regnum); |
| |
| extern int gdbarch_ps_regnum (struct gdbarch *gdbarch); |
| extern void set_gdbarch_ps_regnum (struct gdbarch *gdbarch, int ps_regnum); |
| |
| extern int gdbarch_fp0_regnum (struct gdbarch *gdbarch); |
| extern void set_gdbarch_fp0_regnum (struct gdbarch *gdbarch, int fp0_regnum); |
| |
| /* Convert stab register number (from `r' declaration) to a gdb REGNUM. */ |
| |
| 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); |
| |
| /* Provide a default mapping from a ecoff register number to a gdb REGNUM. */ |
| |
| 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); |
| |
| /* Provide a default mapping from a DWARF register number to a gdb REGNUM. */ |
| |
| typedef int (gdbarch_dwarf_reg_to_regnum_ftype) (struct gdbarch *gdbarch, 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); |
| |
| /* Convert from an sdb register number to an internal gdb register number. */ |
| |
| 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); |
| |
| 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); |
| |
| 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); |
| |
| /* Return the type of a register specified by the architecture. Only |
| the register cache should call this function directly; others should |
| use "register_type". */ |
| |
| extern int gdbarch_register_type_p (struct gdbarch *gdbarch); |
| |
| typedef struct type * (gdbarch_register_type_ftype) (struct gdbarch *gdbarch, int reg_nr); |
| extern struct type * gdbarch_register_type (struct gdbarch *gdbarch, int reg_nr); |
| extern void set_gdbarch_register_type (struct gdbarch *gdbarch, gdbarch_register_type_ftype *register_type); |
| |
| /* See gdbint.texinfo, and PUSH_DUMMY_CALL. */ |
| |
| extern int gdbarch_dummy_id_p (struct gdbarch *gdbarch); |
| |
| 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 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); |
| |
| /* See gdbint.texinfo. See infcall.c. */ |
| |
| extern int gdbarch_push_dummy_call_p (struct gdbarch *gdbarch); |
| |
| typedef CORE_ADDR (gdbarch_push_dummy_call_ftype) (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 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); |
| |
| 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, 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); |
| extern void gdbarch_print_registers_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, int regnum, int all); |
| extern void set_gdbarch_print_registers_info (struct gdbarch *gdbarch, gdbarch_print_registers_info_ftype *print_registers_info); |
| |
| extern int gdbarch_print_float_info_p (struct gdbarch *gdbarch); |
| |
| typedef void (gdbarch_print_float_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); |
| extern void gdbarch_print_float_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); |
| extern void set_gdbarch_print_float_info (struct gdbarch *gdbarch, gdbarch_print_float_info_ftype *print_float_info); |
| |
| extern int gdbarch_print_vector_info_p (struct gdbarch *gdbarch); |
| |
| typedef void (gdbarch_print_vector_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); |
| extern void gdbarch_print_vector_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args); |
| extern void set_gdbarch_print_vector_info (struct gdbarch *gdbarch, gdbarch_print_vector_info_ftype *print_vector_info); |
| |
| /* MAP a GDB RAW register number onto a simulator register number. See |
| also include/...-sim.h. */ |
| |
| 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) (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) (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); |
| |
| /* setjmp/longjmp support. */ |
| |
| extern int gdbarch_get_longjmp_target_p (struct gdbarch *gdbarch); |
| |
| 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); |
| |
| 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); |
| |
| typedef void (gdbarch_register_to_value_ftype) (struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf); |
| extern void gdbarch_register_to_value (struct gdbarch *gdbarch, struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf); |
| extern void set_gdbarch_register_to_value (struct gdbarch *gdbarch, gdbarch_register_to_value_ftype *register_to_value); |
| |
| typedef void (gdbarch_value_to_register_ftype) (struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf); |
| extern void gdbarch_value_to_register (struct gdbarch *gdbarch, struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf); |
| extern void set_gdbarch_value_to_register (struct gdbarch *gdbarch, gdbarch_value_to_register_ftype *value_to_register); |
| |
| /* Construct a value representing the contents of register REGNUM in |
| frame FRAME, interpreted as type TYPE. The routine needs to |
| allocate and return a struct value with all value attributes |
| (but not the value contents) filled in. */ |
| |
| typedef struct value * (gdbarch_value_from_register_ftype) (struct type *type, int regnum, struct frame_info *frame); |
| extern struct value * gdbarch_value_from_register (struct gdbarch *gdbarch, struct type *type, int regnum, struct frame_info *frame); |
| extern void set_gdbarch_value_from_register (struct gdbarch *gdbarch, gdbarch_value_from_register_ftype *value_from_register); |
| |
| typedef CORE_ADDR (gdbarch_pointer_to_address_ftype) (struct type *type, const gdb_byte *buf); |
| extern CORE_ADDR gdbarch_pointer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); |
| extern void set_gdbarch_pointer_to_address (struct gdbarch *gdbarch, gdbarch_pointer_to_address_ftype *pointer_to_address); |
| |
| typedef void (gdbarch_address_to_pointer_ftype) (struct type *type, gdb_byte *buf, CORE_ADDR addr); |
| extern void gdbarch_address_to_pointer (struct gdbarch *gdbarch, struct type *type, gdb_byte *buf, CORE_ADDR addr); |
| extern void set_gdbarch_address_to_pointer (struct gdbarch *gdbarch, gdbarch_address_to_pointer_ftype *address_to_pointer); |
| |
| extern int gdbarch_integer_to_address_p (struct gdbarch *gdbarch); |
| |
| typedef CORE_ADDR (gdbarch_integer_to_address_ftype) (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf); |
| 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); |
| |
| /* 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 *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); |
| |
| 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); |
| |
| 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) (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); |
| |
| extern int gdbarch_adjust_breakpoint_address_p (struct gdbarch *gdbarch); |
| |
| typedef CORE_ADDR (gdbarch_adjust_breakpoint_address_ftype) (struct gdbarch *gdbarch, CORE_ADDR bpaddr); |
| 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 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 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); |
| |
| extern CORE_ADDR gdbarch_decr_pc_after_break (struct gdbarch *gdbarch); |
| extern void set_gdbarch_decr_pc_after_break (struct gdbarch *gdbarch, CORE_ADDR decr_pc_after_break); |
| |
| /* 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. 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); |
| |
| /* Return the remote protocol register number associated with this |
| register. Normally the identity mapping. */ |
| |
| typedef int (gdbarch_remote_register_number_ftype) (struct gdbarch *gdbarch, int regno); |
| extern int gdbarch_remote_register_number (struct gdbarch *gdbarch, int regno); |
| extern void set_gdbarch_remote_register_number (struct gdbarch *gdbarch, gdbarch_remote_register_number_ftype *remote_register_number); |
| |
| /* Fetch the target specific address used to represent a load module. */ |
| |
| extern int gdbarch_fetch_tls_load_module_address_p (struct gdbarch *gdbarch); |
| |
| typedef CORE_ADDR (gdbarch_fetch_tls_load_module_address_ftype) (struct objfile *objfile); |
| extern CORE_ADDR gdbarch_fetch_tls_load_module_address (struct gdbarch *gdbarch, struct objfile *objfile); |
| extern void set_gdbarch_fetch_tls_load_module_address (struct gdbarch *gdbarch, gdbarch_fetch_tls_load_module_address_ftype *fetch_tls_load_module_address); |
| |
| extern CORE_ADDR gdbarch_frame_args_skip (struct gdbarch *gdbarch); |
| extern void set_gdbarch_frame_args_skip (struct gdbarch *gdbarch, CORE_ADDR frame_args_skip); |
| |
| extern int gdbarch_unwind_pc_p (struct gdbarch *gdbarch); |
| |
| typedef CORE_ADDR (gdbarch_unwind_pc_ftype) (struct gdbarch *gdbarch, struct frame_info *next_frame); |
| extern CORE_ADDR gdbarch_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame); |
| extern void set_gdbarch_unwind_pc (struct gdbarch *gdbarch, gdbarch_unwind_pc_ftype *unwind_pc); |
| |
| extern int gdbarch_unwind_sp_p (struct gdbarch *gdbarch); |
| |
| typedef CORE_ADDR (gdbarch_unwind_sp_ftype) (struct gdbarch *gdbarch, struct frame_info *next_frame); |
| extern CORE_ADDR gdbarch_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame); |
| extern void set_gdbarch_unwind_sp (struct gdbarch *gdbarch, gdbarch_unwind_sp_ftype *unwind_sp); |
| |
| /* DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame |
| frame-base. Enable frame-base before frame-unwind. */ |
| |
| extern int gdbarch_frame_num_args_p (struct gdbarch *gdbarch); |
| |
| typedef int (gdbarch_frame_num_args_ftype) (struct frame_info *frame); |
| 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); |
| |
| 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); |
| |
| 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); |
| |
| extern int gdbarch_frame_red_zone_size (struct gdbarch *gdbarch); |
| extern void set_gdbarch_frame_red_zone_size (struct gdbarch *gdbarch, int frame_red_zone_size); |
| |
| typedef CORE_ADDR (gdbarch_convert_from_func_ptr_addr_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, struct target_ops *targ); |
| extern CORE_ADDR gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, CORE_ADDR addr, struct target_ops *targ); |
| extern void set_gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, gdbarch_convert_from_func_ptr_addr_ftype *convert_from_func_ptr_addr); |
| |
| /* On some machines there are bits in addresses which are not really |
| part of the address, but are used by the kernel, the hardware, etc. |
| for special purposes. gdbarch_addr_bits_remove takes out any such bits so |
| we get a "real" address such as one would find in a symbol table. |
| This is used only for addresses of instructions, and even then I'm |
| not sure it's used in all contexts. It exists to deal with there |
| being a few stray bits in the PC which would mislead us, not as some |
| 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); |
| 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); |
| 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); |
| |
| /* FIXME/cagney/2001-01-18: This should be split in two. A target method that |
| indicates if the target needs software single step. An ISA method to |
| implement it. |
| |
| FIXME/cagney/2001-01-18: This should be replaced with something that inserts |
| breakpoints using the breakpoint system instead of blatting memory directly |
| (as with rs6000). |
| |
| 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. */ |
| |
| 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); |
| 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 |
| further single-step is needed before the instruction finishes. */ |
| |
| extern int gdbarch_single_step_through_delay_p (struct gdbarch *gdbarch); |
| |
| typedef int (gdbarch_single_step_through_delay_ftype) (struct gdbarch *gdbarch, struct frame_info *frame); |
| extern int gdbarch_single_step_through_delay (struct gdbarch *gdbarch, struct frame_info *frame); |
| extern void set_gdbarch_single_step_through_delay (struct gdbarch *gdbarch, gdbarch_single_step_through_delay_ftype *single_step_through_delay); |
| |
| /* FIXME: cagney/2003-08-28: Need to find a better way of selecting the |
| disassembler. Perhaps objdump can handle it? */ |
| |
| 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); |
| |
| 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 |
| evaluates non-zero, this is the address where the debugger will place |
| a step-resume breakpoint to get us past the dynamic linker. */ |
| |
| typedef CORE_ADDR (gdbarch_skip_solib_resolver_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc); |
| extern CORE_ADDR gdbarch_skip_solib_resolver (struct gdbarch *gdbarch, CORE_ADDR pc); |
| extern void set_gdbarch_skip_solib_resolver (struct gdbarch *gdbarch, gdbarch_skip_solib_resolver_ftype *skip_solib_resolver); |
| |
| /* Some systems also have trampoline code for returning from shared libs. */ |
| |
| typedef int (gdbarch_in_solib_return_trampoline_ftype) (CORE_ADDR pc, char *name); |
| extern int gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, CORE_ADDR pc, char *name); |
| extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, gdbarch_in_solib_return_trampoline_ftype *in_solib_return_trampoline); |
| |
| /* A target might have problems with watchpoints as soon as the stack |
| frame of the current function has been destroyed. This mostly happens |
| as the first action in a funtion's epilogue. in_function_epilogue_p() |
| is defined to return a non-zero value if either the given addr is one |
| instruction after the stack destroying instruction up to the trailing |
| return instruction or if we can figure out that the stack frame has |
| already been invalidated regardless of the value of addr. Targets |
| which don't suffer from that problem could just let this functionality |
| untouched. */ |
| |
| typedef int (gdbarch_in_function_epilogue_p_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); |
| extern int gdbarch_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR addr); |
| extern void set_gdbarch_in_function_epilogue_p (struct gdbarch *gdbarch, gdbarch_in_function_epilogue_p_ftype *in_function_epilogue_p); |
| |
| /* Given a vector of command-line arguments, return a newly allocated |
| string which, when passed to the create_inferior function, will be |
| parsed (on Unix systems, by the shell) to yield the same vector. |
| This function should call error() if the argument vector is not |
| representable for this target or if this target does not support |
| command-line arguments. |
| ARGC is the number of elements in the vector. |
| ARGV is an array of strings, one per argument. */ |
| |
| typedef char * (gdbarch_construct_inferior_arguments_ftype) (struct gdbarch *gdbarch, int argc, char **argv); |
| extern char * gdbarch_construct_inferior_arguments (struct gdbarch *gdbarch, int argc, char **argv); |
| extern void set_gdbarch_construct_inferior_arguments (struct gdbarch *gdbarch, gdbarch_construct_inferior_arguments_ftype *construct_inferior_arguments); |
| |
| typedef void (gdbarch_elf_make_msymbol_special_ftype) (asymbol *sym, struct minimal_symbol *msym); |
| extern void gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, asymbol *sym, struct minimal_symbol *msym); |
| extern void set_gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_elf_make_msymbol_special_ftype *elf_make_msymbol_special); |
| |
| typedef void (gdbarch_coff_make_msymbol_special_ftype) (int val, struct minimal_symbol *msym); |
| extern void gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, int val, struct minimal_symbol *msym); |
| extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_coff_make_msymbol_special_ftype *coff_make_msymbol_special); |
| |
| extern const char * gdbarch_name_of_malloc (struct gdbarch *gdbarch); |
| extern void set_gdbarch_name_of_malloc (struct gdbarch *gdbarch, const char * name_of_malloc); |
| |
| extern int gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch); |
| extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch, int cannot_step_breakpoint); |
| |
| extern int gdbarch_have_nonsteppable_watchpoint (struct gdbarch *gdbarch); |
| extern void set_gdbarch_have_nonsteppable_watchpoint (struct gdbarch *gdbarch, int have_nonsteppable_watchpoint); |
| |
| extern int gdbarch_address_class_type_flags_p (struct gdbarch *gdbarch); |
| |
| typedef int (gdbarch_address_class_type_flags_ftype) (int byte_size, int dwarf2_addr_class); |
| extern int gdbarch_address_class_type_flags (struct gdbarch *gdbarch, int byte_size, int dwarf2_addr_class); |
| extern void set_gdbarch_address_class_type_flags (struct gdbarch *gdbarch, gdbarch_address_class_type_flags_ftype *address_class_type_flags); |
| |
| extern int gdbarch_address_class_type_flags_to_name_p (struct gdbarch *gdbarch); |
| |
| typedef const char * (gdbarch_address_class_type_flags_to_name_ftype) (struct gdbarch *gdbarch, int type_flags); |
| 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); |
| |
| extern int gdbarch_address_class_name_to_type_flags_p (struct gdbarch *gdbarch); |
| |
| typedef int (gdbarch_address_class_name_to_type_flags_ftype) (struct gdbarch *gdbarch, const char *name, int *type_flags_ptr); |
| extern int gdbarch_address_class_name_to_type_flags (struct gdbarch *gdbarch, const char *name, int *type_flags_ptr); |
| extern void set_gdbarch_address_class_name_to_type_flags (struct gdbarch *gdbarch, gdbarch_address_class_name_to_type_flags_ftype *address_class_name_to_type_flags); |
| |
| /* Is a register in a group */ |
| |
| typedef int (gdbarch_register_reggroup_p_ftype) (struct gdbarch *gdbarch, int regnum, struct reggroup *reggroup); |
| extern int gdbarch_register_reggroup_p (struct gdbarch *gdbarch, int regnum, struct reggroup *reggroup); |
| extern void set_gdbarch_register_reggroup_p (struct gdbarch *gdbarch, gdbarch_register_reggroup_p_ftype *register_reggroup_p); |
| |
| /* Fetch the pointer to the ith function argument. */ |
| |
| extern int gdbarch_fetch_pointer_argument_p (struct gdbarch *gdbarch); |
| |
| typedef CORE_ADDR (gdbarch_fetch_pointer_argument_ftype) (struct frame_info *frame, int argi, struct type *type); |
| extern CORE_ADDR gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, struct frame_info *frame, int argi, struct type *type); |
| extern void set_gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, gdbarch_fetch_pointer_argument_ftype *fetch_pointer_argument); |
| |
| /* Return the appropriate register set for a core file section with |
| name SECT_NAME and size SECT_SIZE. */ |
| |
| extern int gdbarch_regset_from_core_section_p (struct gdbarch *gdbarch); |
| |
| typedef const struct regset * (gdbarch_regset_from_core_section_ftype) (struct gdbarch *gdbarch, const char *sect_name, size_t sect_size); |
| 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); |
| |
| /* 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 int gdbarch_vtable_function_descriptors (struct gdbarch *gdbarch); |
| extern void set_gdbarch_vtable_function_descriptors (struct gdbarch *gdbarch, int vtable_function_descriptors); |
| |
| /* Set if the least significant bit of the delta is used instead of the least |
| significant bit of the pfn for pointers to virtual member functions. */ |
| |
| extern int gdbarch_vbit_in_delta (struct gdbarch *gdbarch); |
| extern void set_gdbarch_vbit_in_delta (struct gdbarch *gdbarch, int vbit_in_delta); |
| |
| /* Advance PC to next instruction in order to skip a permanent breakpoint. */ |
| |
| extern int gdbarch_skip_permanent_breakpoint_p (struct gdbarch *gdbarch); |
| |
| typedef void (gdbarch_skip_permanent_breakpoint_ftype) (struct regcache *regcache); |
| 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); |
| |
| /* Refresh overlay mapped state for section OSECT. */ |
| |
| extern int gdbarch_overlay_update_p (struct gdbarch *gdbarch); |
| |
| typedef void (gdbarch_overlay_update_ftype) (struct obj_section *osect); |
| 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); |
| |
| extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch); |
| |
| |
| /* Mechanism for co-ordinating the selection of a specific |
| architecture. |
| |
| GDB targets (*-tdep.c) can register an interest in a specific |
| architecture. Other GDB components can register a need to maintain |
| per-architecture data. |
| |
| The mechanisms below ensures that there is only a loose connection |
| between the set-architecture command and the various GDB |
| components. Each component can independently register their need |
| to maintain architecture specific data with gdbarch. |
| |
| Pragmatics: |
| |
| Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It |
| didn't scale. |
| |
| The more traditional mega-struct containing architecture specific |
| data for all the various GDB components was also considered. Since |
| GDB is built from a variable number of (fairly independent) |
| components it was determined that the global aproach was not |
| applicable. */ |
| |
| |
| /* Register a new architectural family with GDB. |
| |
| Register support for the specified ARCHITECTURE with GDB. When |
| gdbarch determines that the specified architecture has been |
| selected, the corresponding INIT function is called. |
| |
| -- |
| |
| The INIT function takes two parameters: INFO which contains the |
| information available to gdbarch about the (possibly new) |
| architecture; ARCHES which is a list of the previously created |
| ``struct gdbarch'' for this architecture. |
| |
| The INFO parameter is, as far as possible, be pre-initialized with |
| information obtained from INFO.ABFD or the global defaults. |
| |
| The ARCHES parameter is a linked list (sorted most recently used) |
| of all the previously created architures for this architecture |
| family. The (possibly NULL) ARCHES->gdbarch can used to access |
| values from the previously selected architecture for this |
| architecture family. The global ``current_gdbarch'' shall not be |
| used. |
| |
| The INIT function shall return any of: NULL - indicating that it |
| doesn't recognize the selected architecture; an existing ``struct |
| gdbarch'' from the ARCHES list - indicating that the new |
| architecture is just a synonym for an earlier architecture (see |
| gdbarch_list_lookup_by_info()); a newly created ``struct gdbarch'' |
| - that describes the selected architecture (see gdbarch_alloc()). |
| |
| The DUMP_TDEP function shall print out all target specific values. |
| Care should be taken to ensure that the function works in both the |
| multi-arch and non- multi-arch cases. */ |
| |
| struct gdbarch_list |
| { |
| struct gdbarch *gdbarch; |
| struct gdbarch_list *next; |
| }; |
| |
| struct gdbarch_info |
| { |
| /* Use default: NULL (ZERO). */ |
| const struct bfd_arch_info *bfd_arch_info; |
| |
| /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */ |
| int byte_order; |
| |
| /* Use default: NULL (ZERO). */ |
| bfd *abfd; |
| |
| /* Use default: NULL (ZERO). */ |
| struct gdbarch_tdep_info *tdep_info; |
| |
| /* Use default: GDB_OSABI_UNINITIALIZED (-1). */ |
| enum gdb_osabi osabi; |
| |
| /* Use default: NULL (ZERO). */ |
| const struct target_desc *target_desc; |
| }; |
| |
| typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches); |
| typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file); |
| |
| /* DEPRECATED - use gdbarch_register() */ |
| extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *); |
| |
| extern void gdbarch_register (enum bfd_architecture architecture, |
| gdbarch_init_ftype *, |
| gdbarch_dump_tdep_ftype *); |
| |
| |
| /* Return a freshly allocated, NULL terminated, array of the valid |
| architecture names. Since architectures are registered during the |
| _initialize phase this function only returns useful information |
| once initialization has been completed. */ |
| |
| extern const char **gdbarch_printable_names (void); |
| |
| |
| /* Helper function. Search the list of ARCHES for a GDBARCH that |
| matches the information provided by INFO. */ |
| |
| extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info); |
| |
| |
| /* Helper function. Create a preliminary ``struct gdbarch''. Perform |
| basic initialization using values obtained from the INFO and TDEP |
| parameters. set_gdbarch_*() functions are called to complete the |
| initialization of the object. */ |
| |
| extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep); |
| |
| |
| /* Helper function. Free a partially-constructed ``struct gdbarch''. |
| It is assumed that the caller freeds the ``struct |
| gdbarch_tdep''. */ |
| |
| extern void gdbarch_free (struct gdbarch *); |
| |
| |
| /* Helper function. Allocate memory from the ``struct gdbarch'' |
| obstack. The memory is freed when the corresponding architecture |
| is also freed. */ |
| |
| extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size); |
| #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE))) |
| #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE))) |
| |
| |
| /* Helper function. Force an update of the current architecture. |
| |
| The actual architecture selected is determined by INFO, ``(gdb) set |
| architecture'' et.al., the existing architecture and BFD's default |
| architecture. INFO should be initialized to zero and then selected |
| fields should be updated. |
| |
| Returns non-zero if the update succeeds */ |
| |
| extern int gdbarch_update_p (struct gdbarch_info info); |
| |
| |
| /* Helper function. Find an architecture matching info. |
| |
| INFO should be initialized using gdbarch_info_init, relevant fields |
| set, and then finished using gdbarch_info_fill. |
| |
| Returns the corresponding architecture, or NULL if no matching |
| architecture was found. "current_gdbarch" is not updated. */ |
| |
| extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info); |
| |
| |
| /* Helper function. Set the global "current_gdbarch" to "gdbarch". |
| |
| FIXME: kettenis/20031124: Of the functions that follow, only |
| gdbarch_from_bfd is supposed to survive. The others will |
| dissappear since in the future GDB will (hopefully) be truly |
| multi-arch. However, for now we're still stuck with the concept of |
| a single active architecture. */ |
| |
| extern void deprecated_current_gdbarch_select_hack (struct gdbarch *gdbarch); |
| |
| |
| /* Register per-architecture data-pointer. |
| |
| Reserve space for a per-architecture data-pointer. An identifier |
| for the reserved data-pointer is returned. That identifer should |
| be saved in a local static variable. |
| |
| Memory for the per-architecture data shall be allocated using |
| gdbarch_obstack_zalloc. That memory will be deleted when the |
| corresponding architecture object is deleted. |
| |
| When a previously created architecture is re-selected, the |
| per-architecture data-pointer for that previous architecture is |
| restored. INIT() is not re-called. |
| |
| Multiple registrarants for any architecture are allowed (and |
| strongly encouraged). */ |
| |
| struct gdbarch_data; |
| |
| typedef void *(gdbarch_data_pre_init_ftype) (struct obstack *obstack); |
| extern struct gdbarch_data *gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *init); |
| typedef void *(gdbarch_data_post_init_ftype) (struct gdbarch *gdbarch); |
| extern struct gdbarch_data *gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *init); |
| extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch, |
| struct gdbarch_data *data, |
| void *pointer); |
| |
| extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *); |
| |
| |
| /* Set the dynamic target-system-dependent parameters (architecture, |
| byte-order, ...) using information found in the BFD */ |
| |
| extern void set_gdbarch_from_file (bfd *); |
| |
| |
| /* Initialize the current architecture to the "first" one we find on |
| our list. */ |
| |
| extern void initialize_current_architecture (void); |
| |
| /* gdbarch trace variable */ |
| extern int gdbarch_debug; |
| |
| extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file); |
| |
| #endif |