| /* *INDENT-OFF* */ /* THIS FILE IS GENERATED -*- buffer-read-only: t -*- */ |
| /* vi:set ro: */ |
| |
| /* Dynamic architecture support for GDB, the GNU debugger. |
| |
| Copyright (C) 1998-2016 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 |
| |
| #include "frame.h" |
| |
| struct floatformat; |
| struct ui_file; |
| 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; |
| struct objfile; |
| struct symbol; |
| struct displaced_step_closure; |
| struct syscall; |
| struct agent_expr; |
| struct axs_value; |
| struct stap_parse_info; |
| struct parser_state; |
| struct ravenscar_arch_ops; |
| struct elf_internal_linux_prpsinfo; |
| struct mem_range; |
| struct syscalls_info; |
| struct thread_info; |
| struct ui_out; |
| |
| #include "regcache.h" |
| |
| /* The architecture associated with the inferior through the |
| connection to the target. |
| |
| The architecture vector provides some information that is really a |
| property of the inferior, accessed through a particular target: |
| ptrace operations; the layout of certain RSP packets; the solib_ops |
| vector; etc. To differentiate architecture accesses to |
| per-inferior/target properties from |
| per-thread/per-frame/per-objfile properties, accesses to |
| per-inferior/target properties should be made through this |
| gdbarch. */ |
| |
| /* This is a convenience wrapper for 'current_inferior ()->gdbarch'. */ |
| extern struct gdbarch *target_gdbarch (void); |
| |
| /* Callback type for the 'iterate_over_objfiles_in_search_order' |
| gdbarch method. */ |
| |
| typedef int (iterate_over_objfiles_in_search_order_cb_ftype) |
| (struct objfile *objfile, void *cb_data); |
| |
| /* Callback type for regset section iterators. The callback usually |
| invokes the REGSET's supply or collect method, to which it must |
| pass a buffer with at least the given SIZE. SECT_NAME is a BFD |
| section name, and HUMAN_NAME is used for diagnostic messages. |
| CB_DATA should have been passed unchanged through the iterator. */ |
| |
| typedef void (iterate_over_regset_sections_cb) |
| (const char *sect_name, int size, const struct regset *regset, |
| const char *human_name, void *cb_data); |
| |
| |
| /* 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 enum bfd_endian gdbarch_byte_order (struct gdbarch *gdbarch); |
| /* set_gdbarch_byte_order() - not applicable - pre-initialized. */ |
| |
| extern enum bfd_endian 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. */ |
| |
| 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); |
| |
| /* Alignment of a long long or unsigned long long for the target |
| machine. */ |
| |
| extern int gdbarch_long_long_align_bit (struct gdbarch *gdbarch); |
| extern void set_gdbarch_long_long_align_bit (struct gdbarch *gdbarch, int long_long_align_bit); |
| |
| /* The ABI default bit-size and format for "half", "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_half_bit (struct gdbarch *gdbarch); |
| extern void set_gdbarch_half_bit (struct gdbarch *gdbarch, int half_bit); |
| |
| extern const struct floatformat ** gdbarch_half_format (struct gdbarch *gdbarch); |
| extern void set_gdbarch_half_format (struct gdbarch *gdbarch, const struct floatformat ** half_format); |
| |
| 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_dwarf2_addr_size, 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); |
| |
| /* dwarf2_addr_size is the target address size as used in the Dwarf debug |
| info. For .debug_frame FDEs, this is supposed to be the target address |
| size from the associated CU header, and which is equivalent to the |
| DWARF2_ADDR_SIZE as defined by the target specific GCC back-end. |
| Unfortunately there is no good way to determine this value. Therefore |
| dwarf2_addr_size simply defaults to the target pointer size. |
| |
| dwarf2_addr_size is not used for .eh_frame FDEs, which are generally |
| defined using the target's pointer size so far. |
| |
| Note that dwarf2_addr_size only needs to be redefined by a target if the |
| GCC back-end defines a DWARF2_ADDR_SIZE other than the target pointer size, |
| and if Dwarf versions < 4 need to be supported. */ |
| |
| extern int gdbarch_dwarf2_addr_size (struct gdbarch *gdbarch); |
| extern void set_gdbarch_dwarf2_addr_size (struct gdbarch *gdbarch, int dwarf2_addr_size); |
| |
| /* 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 enum register_status (gdbarch_pseudo_register_read_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf); |
| extern enum register_status 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); |
| |
| /* Read a register into a new struct value. If the register is wholly |
| or partly unavailable, this should call mark_value_bytes_unavailable |
| as appropriate. If this is defined, then pseudo_register_read will |
| never be called. */ |
| |
| extern int gdbarch_pseudo_register_read_value_p (struct gdbarch *gdbarch); |
| |
| typedef struct value * (gdbarch_pseudo_register_read_value_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum); |
| extern struct value * gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum); |
| extern void set_gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, gdbarch_pseudo_register_read_value_ftype *pseudo_register_read_value); |
| |
| 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); |
| |
| /* Assemble agent expression bytecode to collect pseudo-register REG. |
| Return -1 if something goes wrong, 0 otherwise. */ |
| |
| extern int gdbarch_ax_pseudo_register_collect_p (struct gdbarch *gdbarch); |
| |
| typedef int (gdbarch_ax_pseudo_register_collect_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); |
| extern int gdbarch_ax_pseudo_register_collect (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); |
| extern void set_gdbarch_ax_pseudo_register_collect (struct gdbarch *gdbarch, gdbarch_ax_pseudo_register_collect_ftype *ax_pseudo_register_collect); |
| |
| /* Assemble agent expression bytecode to push the value of pseudo-register |
| REG on the interpreter stack. |
| Return -1 if something goes wrong, 0 otherwise. */ |
| |
| extern int gdbarch_ax_pseudo_register_push_stack_p (struct gdbarch *gdbarch); |
| |
| typedef int (gdbarch_ax_pseudo_register_push_stack_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); |
| extern int gdbarch_ax_pseudo_register_push_stack (struct gdbarch *gdbarch, struct agent_expr *ax, int reg); |
| extern void set_gdbarch_ax_pseudo_register_push_stack (struct gdbarch *gdbarch, gdbarch_ax_pseudo_register_push_stack_ftype *ax_pseudo_register_push_stack); |
| |
| /* Some targets/architectures can do extra processing/display of |
| segmentation faults. E.g., Intel MPX boundary faults. |
| Call the architecture dependent function to handle the fault. |
| UIOUT is the output stream where the handler will place information. */ |
| |
| extern int gdbarch_handle_segmentation_fault_p (struct gdbarch *gdbarch); |
| |
| typedef void (gdbarch_handle_segmentation_fault_ftype) (struct gdbarch *gdbarch, struct ui_out *uiout); |
| extern void gdbarch_handle_segmentation_fault (struct gdbarch *gdbarch, struct ui_out *uiout); |
| extern void set_gdbarch_handle_segmentation_fault (struct gdbarch *gdbarch, gdbarch_handle_segmentation_fault_ftype *handle_segmentation_fault); |
| |
| /* 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); |
| |
| /* 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); |
| |
| /* Provide a default mapping from a DWARF2 register number to a gdb REGNUM. |
| Return -1 for bad REGNUM. Note: Several targets get this wrong. */ |
| |
| 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); |
| |
| 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); |
| |
| 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); |
| |
| /* Return true if the code of FRAME is writable. */ |
| |
| typedef int (gdbarch_code_of_frame_writable_ftype) (struct gdbarch *gdbarch, struct frame_info *frame); |
| extern int gdbarch_code_of_frame_writable (struct gdbarch *gdbarch, struct frame_info *frame); |
| extern void set_gdbarch_code_of_frame_writable (struct gdbarch *gdbarch, gdbarch_code_of_frame_writable_ftype *code_of_frame_writable); |
| |
| 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); |
| |
| 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); |
| |
| /* Determine the address where a longjmp will land and save this address |
| in PC. Return nonzero on success. |
| |
| FRAME corresponds to the longjmp frame. */ |
| |
| 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 int (gdbarch_register_to_value_ftype) (struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf, int *optimizedp, int *unavailablep); |
| extern int gdbarch_register_to_value (struct gdbarch *gdbarch, struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf, int *optimizedp, int *unavailablep); |
| 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_ID, 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 gdbarch *gdbarch, struct type *type, int regnum, struct frame_id frame_id); |
| extern struct value * gdbarch_value_from_register (struct gdbarch *gdbarch, struct type *type, int regnum, struct frame_id frame_id); |
| 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 gdbarch *gdbarch, 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 gdbarch *gdbarch, 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 FUNCTION |
| to return a value of type VALTYPE. FUNCTION 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 value *function, 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 value *function, 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); |
| |
| /* Return true if the return value of function is stored in the first hidden |
| parameter. In theory, this feature should be language-dependent, specified |
| by language and its ABI, such as C++. Unfortunately, compiler may |
| implement it to a target-dependent feature. So that we need such hook here |
| to be aware of this in GDB. */ |
| |
| typedef int (gdbarch_return_in_first_hidden_param_p_ftype) (struct gdbarch *gdbarch, struct type *type); |
| extern int gdbarch_return_in_first_hidden_param_p (struct gdbarch *gdbarch, struct type *type); |
| extern void set_gdbarch_return_in_first_hidden_param_p (struct gdbarch *gdbarch, gdbarch_return_in_first_hidden_param_p_ftype *return_in_first_hidden_param_p); |
| |
| 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); |
| |
| /* On some platforms, a single function may provide multiple entry points, |
| e.g. one that is used for function-pointer calls and a different one |
| that is used for direct function calls. |
| In order to ensure that breakpoints set on the function will trigger |
| no matter via which entry point the function is entered, a platform |
| may provide the skip_entrypoint callback. It is called with IP set |
| to the main entry point of a function (as determined by the symbol table), |
| and should return the address of the innermost entry point, where the |
| actual breakpoint needs to be set. Note that skip_entrypoint is used |
| by GDB common code even when debugging optimized code, where skip_prologue |
| is not used. */ |
| |
| extern int gdbarch_skip_entrypoint_p (struct gdbarch *gdbarch); |
| |
| typedef CORE_ADDR (gdbarch_skip_entrypoint_ftype) (struct gdbarch *gdbarch, CORE_ADDR ip); |
| extern CORE_ADDR gdbarch_skip_entrypoint (struct gdbarch *gdbarch, CORE_ADDR ip); |
| extern void set_gdbarch_skip_entrypoint (struct gdbarch *gdbarch, gdbarch_skip_entrypoint_ftype *skip_entrypoint); |
| |
| 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); |
| |
| /* Return the adjusted address and kind to use for Z0/Z1 packets. |
| KIND is usually the memory length of the breakpoint, but may have a |
| different target-specific meaning. */ |
| |
| typedef void (gdbarch_remote_breakpoint_from_pc_ftype) (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *kindptr); |
| extern void gdbarch_remote_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *kindptr); |
| extern void set_gdbarch_remote_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_remote_breakpoint_from_pc_ftype *remote_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) (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); |
| |
| /* 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: The logic is backwards. It should be asking if the |
| target can single step. If not, then implement single step using breakpoints. |
| |
| A return value of 1 means that the software_single_step breakpoints |
| were inserted; 0 means they were not. Multiple breakpoints may be |
| inserted for some instructions such as conditional branch. However, |
| each implementation must always evaluate the condition and only put |
| the breakpoint at the branch destination if the condition is true, so |
| that we ensure forward progress when stepping past a conditional |
| branch to self. */ |
| |
| 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) (struct gdbarch *gdbarch, CORE_ADDR pc, const char *name); |
| extern int gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, CORE_ADDR pc, const 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 function's epilogue. stack_frame_destroyed_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_stack_frame_destroyed_p_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); |
| extern int gdbarch_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR addr); |
| extern void set_gdbarch_stack_frame_destroyed_p (struct gdbarch *gdbarch, gdbarch_stack_frame_destroyed_p_ftype *stack_frame_destroyed_p); |
| |
| /* Process an ELF symbol in the minimal symbol table in a backend-specific |
| way. Normally this hook is supposed to do nothing, however if required, |
| then this hook can be used to apply tranformations to symbols that are |
| considered special in some way. For example the MIPS backend uses it |
| to interpret `st_other' information to mark compressed code symbols so |
| that they can be treated in the appropriate manner in the processing of |
| the main symbol table and DWARF-2 records. */ |
| |
| extern int gdbarch_elf_make_msymbol_special_p (struct gdbarch *gdbarch); |
| |
| 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); |
| |
| /* Process a symbol in the main symbol table in a backend-specific way. |
| Normally this hook is supposed to do nothing, however if required, |
| then this hook can be used to apply tranformations to symbols that |
| are considered special in some way. This is currently used by the |
| MIPS backend to make sure compressed code symbols have the ISA bit |
| set. This in turn is needed for symbol values seen in GDB to match |
| the values used at the runtime by the program itself, for function |
| and label references. */ |
| |
| typedef void (gdbarch_make_symbol_special_ftype) (struct symbol *sym, struct objfile *objfile); |
| extern void gdbarch_make_symbol_special (struct gdbarch *gdbarch, struct symbol *sym, struct objfile *objfile); |
| extern void set_gdbarch_make_symbol_special (struct gdbarch *gdbarch, gdbarch_make_symbol_special_ftype *make_symbol_special); |
| |
| /* Adjust the address retrieved from a DWARF-2 record other than a line |
| entry in a backend-specific way. Normally this hook is supposed to |
| return the address passed unchanged, however if that is incorrect for |
| any reason, then this hook can be used to fix the address up in the |
| required manner. This is currently used by the MIPS backend to make |
| sure addresses in FDE, range records, etc. referring to compressed |
| code have the ISA bit set, matching line information and the symbol |
| table. */ |
| |
| typedef CORE_ADDR (gdbarch_adjust_dwarf2_addr_ftype) (CORE_ADDR pc); |
| extern CORE_ADDR gdbarch_adjust_dwarf2_addr (struct gdbarch *gdbarch, CORE_ADDR pc); |
| extern void set_gdbarch_adjust_dwarf2_addr (struct gdbarch *gdbarch, gdbarch_adjust_dwarf2_addr_ftype *adjust_dwarf2_addr); |
| |
| /* Adjust the address updated by a line entry in a backend-specific way. |
| Normally this hook is supposed to return the address passed unchanged, |
| however in the case of inconsistencies in these records, this hook can |
| be used to fix them up in the required manner. This is currently used |
| by the MIPS backend to make sure all line addresses in compressed code |
| are presented with the ISA bit set, which is not always the case. This |
| in turn ensures breakpoint addresses are correctly matched against the |
| stop PC. */ |
| |
| typedef CORE_ADDR (gdbarch_adjust_dwarf2_line_ftype) (CORE_ADDR addr, int rel); |
| extern CORE_ADDR gdbarch_adjust_dwarf2_line (struct gdbarch *gdbarch, CORE_ADDR addr, int rel); |
| extern void set_gdbarch_adjust_dwarf2_line (struct gdbarch *gdbarch, gdbarch_adjust_dwarf2_line_ftype *adjust_dwarf2_line); |
| |
| 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); |
| |
| /* Return the appropriate type_flags for the supplied address class. |
| This function should return 1 if the address class was recognized and |
| type_flags was set, zero otherwise. */ |
| |
| extern int gdbarch_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); |
| |
| /* Iterate over all supported register notes in a core file. For each |
| supported register note section, the iterator must call CB and pass |
| CB_DATA unchanged. If REGCACHE is not NULL, the iterator can limit |
| the supported register note sections based on the current register |
| values. Otherwise it should enumerate all supported register note |
| sections. */ |
| |
| extern int gdbarch_iterate_over_regset_sections_p (struct gdbarch *gdbarch); |
| |
| typedef void (gdbarch_iterate_over_regset_sections_ftype) (struct gdbarch *gdbarch, iterate_over_regset_sections_cb *cb, void *cb_data, const struct regcache *regcache); |
| extern void gdbarch_iterate_over_regset_sections (struct gdbarch *gdbarch, iterate_over_regset_sections_cb *cb, void *cb_data, const struct regcache *regcache); |
| extern void set_gdbarch_iterate_over_regset_sections (struct gdbarch *gdbarch, gdbarch_iterate_over_regset_sections_ftype *iterate_over_regset_sections); |
| |
| /* Create core file notes */ |
| |
| extern int gdbarch_make_corefile_notes_p (struct gdbarch *gdbarch); |
| |
| typedef char * (gdbarch_make_corefile_notes_ftype) (struct gdbarch *gdbarch, bfd *obfd, int *note_size); |
| extern char * gdbarch_make_corefile_notes (struct gdbarch *gdbarch, bfd *obfd, int *note_size); |
| extern void set_gdbarch_make_corefile_notes (struct gdbarch *gdbarch, gdbarch_make_corefile_notes_ftype *make_corefile_notes); |
| |
| /* The elfcore writer hook to use to write Linux prpsinfo notes to core |
| files. Most Linux architectures use the same prpsinfo32 or |
| prpsinfo64 layouts, and so won't need to provide this hook, as we |
| call the Linux generic routines in bfd to write prpsinfo notes by |
| default. */ |
| |
| extern int gdbarch_elfcore_write_linux_prpsinfo_p (struct gdbarch *gdbarch); |
| |
| typedef char * (gdbarch_elfcore_write_linux_prpsinfo_ftype) (bfd *obfd, char *note_data, int *note_size, const struct elf_internal_linux_prpsinfo *info); |
| extern char * gdbarch_elfcore_write_linux_prpsinfo (struct gdbarch *gdbarch, bfd *obfd, char *note_data, int *note_size, const struct elf_internal_linux_prpsinfo *info); |
| extern void set_gdbarch_elfcore_write_linux_prpsinfo (struct gdbarch *gdbarch, gdbarch_elfcore_write_linux_prpsinfo_ftype *elfcore_write_linux_prpsinfo); |
| |
| /* Find core file memory regions */ |
| |
| extern int gdbarch_find_memory_regions_p (struct gdbarch *gdbarch); |
| |
| typedef int (gdbarch_find_memory_regions_ftype) (struct gdbarch *gdbarch, find_memory_region_ftype func, void *data); |
| extern int gdbarch_find_memory_regions (struct gdbarch *gdbarch, find_memory_region_ftype func, void *data); |
| extern void set_gdbarch_find_memory_regions (struct gdbarch *gdbarch, gdbarch_find_memory_regions_ftype *find_memory_regions); |
| |
| /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from |
| core file into buffer READBUF with length LEN. Return the number of bytes read |
| (zero indicates failure). |
| failed, otherwise, return the red length of READBUF. */ |
| |
| extern int gdbarch_core_xfer_shared_libraries_p (struct gdbarch *gdbarch); |
| |
| typedef ULONGEST (gdbarch_core_xfer_shared_libraries_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len); |
| extern ULONGEST gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len); |
| extern void set_gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdbarch_core_xfer_shared_libraries_ftype *core_xfer_shared_libraries); |
| |
| /* Read offset OFFSET of TARGET_OBJECT_LIBRARIES_AIX formatted shared |
| libraries list from core file into buffer READBUF with length LEN. |
| Return the number of bytes read (zero indicates failure). */ |
| |
| extern int gdbarch_core_xfer_shared_libraries_aix_p (struct gdbarch *gdbarch); |
| |
| typedef ULONGEST (gdbarch_core_xfer_shared_libraries_aix_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len); |
| extern ULONGEST gdbarch_core_xfer_shared_libraries_aix (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len); |
| extern void set_gdbarch_core_xfer_shared_libraries_aix (struct gdbarch *gdbarch, gdbarch_core_xfer_shared_libraries_aix_ftype *core_xfer_shared_libraries_aix); |
| |
| /* How the core target converts a PTID from a core file to a string. */ |
| |
| extern int gdbarch_core_pid_to_str_p (struct gdbarch *gdbarch); |
| |
| typedef char * (gdbarch_core_pid_to_str_ftype) (struct gdbarch *gdbarch, ptid_t ptid); |
| extern char * gdbarch_core_pid_to_str (struct gdbarch *gdbarch, ptid_t ptid); |
| extern void set_gdbarch_core_pid_to_str (struct gdbarch *gdbarch, gdbarch_core_pid_to_str_ftype *core_pid_to_str); |
| |
| /* How the core target extracts the name of a thread from a core file. */ |
| |
| extern int gdbarch_core_thread_name_p (struct gdbarch *gdbarch); |
| |
| typedef const char * (gdbarch_core_thread_name_ftype) (struct gdbarch *gdbarch, struct thread_info *thr); |
| extern const char * gdbarch_core_thread_name (struct gdbarch *gdbarch, struct thread_info *thr); |
| extern void set_gdbarch_core_thread_name (struct gdbarch *gdbarch, gdbarch_core_thread_name_ftype *core_thread_name); |
| |
| /* BFD target to use when generating a core file. */ |
| |
| extern int gdbarch_gcore_bfd_target_p (struct gdbarch *gdbarch); |
| |
| extern const char * gdbarch_gcore_bfd_target (struct gdbarch *gdbarch); |
| extern void set_gdbarch_gcore_bfd_target (struct gdbarch *gdbarch, const char * gcore_bfd_target); |
| |
| /* 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. */ |
| |
| 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); |
| |
| /* The maximum length of an instruction on this architecture in bytes. */ |
| |
| 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. |
| |
| If the instruction cannot execute out of line, return NULL. The |
| core falls back to stepping past the instruction in-line instead in |
| that case. */ |
| |
| 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); |
| |
| /* Return true if GDB should use hardware single-stepping to execute |
| the displaced instruction identified by CLOSURE. If false, |
| GDB will simply restart execution at the displaced instruction |
| location, and it is up to the target to ensure GDB will receive |
| control again (e.g. by placing a software breakpoint instruction |
| into the displaced instruction buffer). |
| |
| The default implementation returns false on all targets that |
| provide a gdbarch_software_single_step routine, and true otherwise. */ |
| |
| typedef int (gdbarch_displaced_step_hw_singlestep_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure); |
| extern int gdbarch_displaced_step_hw_singlestep (struct gdbarch *gdbarch, struct displaced_step_closure *closure); |
| extern void set_gdbarch_displaced_step_hw_singlestep (struct gdbarch *gdbarch, gdbarch_displaced_step_hw_singlestep_ftype *displaced_step_hw_singlestep); |
| |
| /* 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); |
| |
| /* Relocate an instruction to execute at a different address. OLDLOC |
| is the address in the inferior memory where the instruction to |
| relocate is currently at. On input, TO points to the destination |
| where we want the instruction to be copied (and possibly adjusted) |
| to. On output, it points to one past the end of the resulting |
| instruction(s). The effect of executing the instruction at TO shall |
| be the same as if executing it at FROM. For example, call |
| instructions that implicitly push the return address on the stack |
| should be adjusted to return to the instruction after OLDLOC; |
| relative branches, and other PC-relative instructions need the |
| offset adjusted; etc. */ |
| |
| extern int gdbarch_relocate_instruction_p (struct gdbarch *gdbarch); |
| |
| typedef void (gdbarch_relocate_instruction_ftype) (struct gdbarch *gdbarch, CORE_ADDR *to, CORE_ADDR from); |
| extern void gdbarch_relocate_instruction (struct gdbarch *gdbarch, CORE_ADDR *to, CORE_ADDR from); |
| extern void set_gdbarch_relocate_instruction (struct gdbarch *gdbarch, gdbarch_relocate_instruction_ftype *relocate_instruction); |
| |
| /* 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 const char * (gdbarch_static_transform_name_ftype) (const char *name); |
| extern const char * gdbarch_static_transform_name (struct gdbarch *gdbarch, const 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); |
| |
| /* Parse the instruction at ADDR storing in the record execution log |
| the registers REGCACHE and memory ranges that will be affected when |
| the instruction executes, along with their current values. |
| Return -1 if something goes wrong, 0 otherwise. */ |
| |
| extern int gdbarch_process_record_p (struct gdbarch *gdbarch); |
| |
| typedef int (gdbarch_process_record_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr); |
| extern int gdbarch_process_record (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr); |
| extern void set_gdbarch_process_record (struct gdbarch *gdbarch, gdbarch_process_record_ftype *process_record); |
| |
| /* Save process state after a signal. |
| Return -1 if something goes wrong, 0 otherwise. */ |
| |
| extern int gdbarch_process_record_signal_p (struct gdbarch *gdbarch); |
| |
| typedef int (gdbarch_process_record_signal_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, enum gdb_signal signal); |
| extern int gdbarch_process_record_signal (struct gdbarch *gdbarch, struct regcache *regcache, enum gdb_signal signal); |
| extern void set_gdbarch_process_record_signal (struct gdbarch *gdbarch, gdbarch_process_record_signal_ftype *process_record_signal); |
| |
| /* Signal translation: translate inferior's signal (target's) number |
| into GDB's representation. The implementation of this method must |
| be host independent. IOW, don't rely on symbols of the NAT_FILE |
| header (the nm-*.h files), the host <signal.h> header, or similar |
| headers. This is mainly used when cross-debugging core files --- |
| "Live" targets hide the translation behind the target interface |
| (target_wait, target_resume, etc.). */ |
| |
| extern int gdbarch_gdb_signal_from_target_p (struct gdbarch *gdbarch); |
| |
| typedef enum gdb_signal (gdbarch_gdb_signal_from_target_ftype) (struct gdbarch *gdbarch, int signo); |
| extern enum gdb_signal gdbarch_gdb_signal_from_target (struct gdbarch *gdbarch, int signo); |
| extern void set_gdbarch_gdb_signal_from_target (struct gdbarch *gdbarch, gdbarch_gdb_signal_from_target_ftype *gdb_signal_from_target); |
| |
| /* Signal translation: translate the GDB's internal signal number into |
| the inferior's signal (target's) representation. The implementation |
| of this method must be host independent. IOW, don't rely on symbols |
| of the NAT_FILE header (the nm-*.h files), the host <signal.h> |
| header, or similar headers. |
| Return the target signal number if found, or -1 if the GDB internal |
| signal number is invalid. */ |
| |
| extern int gdbarch_gdb_signal_to_target_p (struct gdbarch *gdbarch); |
| |
| typedef int (gdbarch_gdb_signal_to_target_ftype) (struct gdbarch *gdbarch, enum gdb_signal signal); |
| extern int gdbarch_gdb_signal_to_target (struct gdbarch *gdbarch, enum gdb_signal signal); |
| extern void set_gdbarch_gdb_signal_to_target (struct gdbarch *gdbarch, gdbarch_gdb_signal_to_target_ftype *gdb_signal_to_target); |
| |
| /* Extra signal info inspection. |
| |
| Return a type suitable to inspect extra signal information. */ |
| |
| extern int gdbarch_get_siginfo_type_p (struct gdbarch *gdbarch); |
| |
| typedef struct type * (gdbarch_get_siginfo_type_ftype) (struct gdbarch *gdbarch); |
| extern struct type * gdbarch_get_siginfo_type (struct gdbarch *gdbarch); |
| extern void set_gdbarch_get_siginfo_type (struct gdbarch *gdbarch, gdbarch_get_siginfo_type_ftype *get_siginfo_type); |
| |
| /* 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); |
| |
| /* Function for the 'catch syscall' feature. |
| Get architecture-specific system calls information from registers. */ |
| |
| extern int gdbarch_get_syscall_number_p (struct gdbarch *gdbarch); |
| |
| typedef LONGEST (gdbarch_get_syscall_number_ftype) (struct gdbarch *gdbarch, ptid_t ptid); |
| extern LONGEST gdbarch_get_syscall_number (struct gdbarch *gdbarch, ptid_t ptid); |
| extern void set_gdbarch_get_syscall_number (struct gdbarch *gdbarch, gdbarch_get_syscall_number_ftype *get_syscall_number); |
| |
| /* The filename of the XML syscall for this architecture. */ |
| |
| extern const char * gdbarch_xml_syscall_file (struct gdbarch *gdbarch); |
| extern void set_gdbarch_xml_syscall_file (struct gdbarch *gdbarch, const char * xml_syscall_file); |
| |
| /* Information about system calls from this architecture */ |
| |
| extern struct syscalls_info * gdbarch_syscalls_info (struct gdbarch *gdbarch); |
| extern void set_gdbarch_syscalls_info (struct gdbarch *gdbarch, struct syscalls_info * syscalls_info); |
| |
| /* SystemTap related fields and functions. |
| A NULL-terminated array of prefixes used to mark an integer constant |
| on the architecture's assembly. |
| For example, on x86 integer constants are written as: |
| |
| $10 ;; integer constant 10 |
| |
| in this case, this prefix would be the character `$'. */ |
| |
| extern const char *const * gdbarch_stap_integer_prefixes (struct gdbarch *gdbarch); |
| extern void set_gdbarch_stap_integer_prefixes (struct gdbarch *gdbarch, const char *const * stap_integer_prefixes); |
| |
| /* A NULL-terminated array of suffixes used to mark an integer constant |
| on the architecture's assembly. */ |
| |
| extern const char *const * gdbarch_stap_integer_suffixes (struct gdbarch *gdbarch); |
| extern void set_gdbarch_stap_integer_suffixes (struct gdbarch *gdbarch, const char *const * stap_integer_suffixes); |
| |
| /* A NULL-terminated array of prefixes used to mark a register name on |
| the architecture's assembly. |
| For example, on x86 the register name is written as: |
| |
| %eax ;; register eax |
| |
| in this case, this prefix would be the character `%'. */ |
| |
| extern const char *const * gdbarch_stap_register_prefixes (struct gdbarch *gdbarch); |
| extern void set_gdbarch_stap_register_prefixes (struct gdbarch *gdbarch, const char *const * stap_register_prefixes); |
| |
| /* A NULL-terminated array of suffixes used to mark a register name on |
| the architecture's assembly. */ |
| |
| extern const char *const * gdbarch_stap_register_suffixes (struct gdbarch *gdbarch); |
| extern void set_gdbarch_stap_register_suffixes (struct gdbarch *gdbarch, const char *const * stap_register_suffixes); |
| |
| /* A NULL-terminated array of prefixes used to mark a register |
| indirection on the architecture's assembly. |
| For example, on x86 the register indirection is written as: |
| |
| (%eax) ;; indirecting eax |
| |
| in this case, this prefix would be the charater `('. |
| |
| Please note that we use the indirection prefix also for register |
| displacement, e.g., `4(%eax)' on x86. */ |
| |
| extern const char *const * gdbarch_stap_register_indirection_prefixes (struct gdbarch *gdbarch); |
| extern void set_gdbarch_stap_register_indirection_prefixes (struct gdbarch *gdbarch, const char *const * stap_register_indirection_prefixes); |
| |
| /* A NULL-terminated array of suffixes used to mark a register |
| indirection on the architecture's assembly. |
| For example, on x86 the register indirection is written as: |
| |
| (%eax) ;; indirecting eax |
| |
| in this case, this prefix would be the charater `)'. |
| |
| Please note that we use the indirection suffix also for register |
| displacement, e.g., `4(%eax)' on x86. */ |
| |
| extern const char *const * gdbarch_stap_register_indirection_suffixes (struct gdbarch *gdbarch); |
| extern void set_gdbarch_stap_register_indirection_suffixes (struct gdbarch *gdbarch, const char *const * stap_register_indirection_suffixes); |
| |
| /* Prefix(es) used to name a register using GDB's nomenclature. |
| |
| For example, on PPC a register is represented by a number in the assembly |
| language (e.g., `10' is the 10th general-purpose register). However, |
| inside GDB this same register has an `r' appended to its name, so the 10th |
| register would be represented as `r10' internally. */ |
| |
| extern const char * gdbarch_stap_gdb_register_prefix (struct gdbarch *gdbarch); |
| extern void set_gdbarch_stap_gdb_register_prefix (struct gdbarch *gdbarch, const char * stap_gdb_register_prefix); |
| |
| /* Suffix used to name a register using GDB's nomenclature. */ |
| |
| extern const char * gdbarch_stap_gdb_register_suffix (struct gdbarch *gdbarch); |
| extern void set_gdbarch_stap_gdb_register_suffix (struct gdbarch *gdbarch, const char * stap_gdb_register_suffix); |
| |
| /* Check if S is a single operand. |
| |
| Single operands can be: |
| - Literal integers, e.g. `$10' on x86 |
| - Register access, e.g. `%eax' on x86 |
| - Register indirection, e.g. `(%eax)' on x86 |
| - Register displacement, e.g. `4(%eax)' on x86 |
| |
| This function should check for these patterns on the string |
| and return 1 if some were found, or zero otherwise. Please try to match |
| as much info as you can from the string, i.e., if you have to match |
| something like `(%', do not match just the `('. */ |
| |
| extern int gdbarch_stap_is_single_operand_p (struct gdbarch *gdbarch); |
| |
| typedef int (gdbarch_stap_is_single_operand_ftype) (struct gdbarch *gdbarch, const char *s); |
| extern int gdbarch_stap_is_single_operand (struct gdbarch *gdbarch, const char *s); |
| extern void set_gdbarch_stap_is_single_operand (struct gdbarch *gdbarch, gdbarch_stap_is_single_operand_ftype *stap_is_single_operand); |
| |
| /* Function used to handle a "special case" in the parser. |
| |
| A "special case" is considered to be an unknown token, i.e., a token |
| that the parser does not know how to parse. A good example of special |
| case would be ARM's register displacement syntax: |
| |
| [R0, #4] ;; displacing R0 by 4 |
| |
| Since the parser assumes that a register displacement is of the form: |
| |
| <number> <indirection_prefix> <register_name> <indirection_suffix> |
| |
| it means that it will not be able to recognize and parse this odd syntax. |
| Therefore, we should add a special case function that will handle this token. |
| |
| This function should generate the proper expression form of the expression |
| using GDB's internal expression mechanism (e.g., `write_exp_elt_opcode' |
| and so on). It should also return 1 if the parsing was successful, or zero |
| if the token was not recognized as a special token (in this case, returning |
| zero means that the special parser is deferring the parsing to the generic |
| parser), and should advance the buffer pointer (p->arg). */ |
| |
| extern int gdbarch_stap_parse_special_token_p (struct gdbarch *gdbarch); |
| |
| typedef int (gdbarch_stap_parse_special_token_ftype) (struct gdbarch *gdbarch, struct stap_parse_info *p); |
| extern int gdbarch_stap_parse_special_token (struct gdbarch *gdbarch, struct stap_parse_info *p); |
| extern void set_gdbarch_stap_parse_special_token (struct gdbarch *gdbarch, gdbarch_stap_parse_special_token_ftype *stap_parse_special_token); |
| |
| /* DTrace related functions. |
| The expression to compute the NARTGth+1 argument to a DTrace USDT probe. |
| NARG must be >= 0. */ |
| |
| extern int gdbarch_dtrace_parse_probe_argument_p (struct gdbarch *gdbarch); |
| |
| typedef void (gdbarch_dtrace_parse_probe_argument_ftype) (struct gdbarch *gdbarch, struct parser_state *pstate, int narg); |
| extern void gdbarch_dtrace_parse_probe_argument (struct gdbarch *gdbarch, struct parser_state *pstate, int narg); |
| extern void set_gdbarch_dtrace_parse_probe_argument (struct gdbarch *gdbarch, gdbarch_dtrace_parse_probe_argument_ftype *dtrace_parse_probe_argument); |
| |
| /* True if the given ADDR does not contain the instruction sequence |
| corresponding to a disabled DTrace is-enabled probe. */ |
| |
| extern int gdbarch_dtrace_probe_is_enabled_p (struct gdbarch *gdbarch); |
| |
| typedef int (gdbarch_dtrace_probe_is_enabled_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); |
| extern int gdbarch_dtrace_probe_is_enabled (struct gdbarch *gdbarch, CORE_ADDR addr); |
| extern void set_gdbarch_dtrace_probe_is_enabled (struct gdbarch *gdbarch, gdbarch_dtrace_probe_is_enabled_ftype *dtrace_probe_is_enabled); |
| |
| /* Enable a DTrace is-enabled probe at ADDR. */ |
| |
| extern int gdbarch_dtrace_enable_probe_p (struct gdbarch *gdbarch); |
| |
| typedef void (gdbarch_dtrace_enable_probe_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); |
| extern void gdbarch_dtrace_enable_probe (struct gdbarch *gdbarch, CORE_ADDR addr); |
| extern void set_gdbarch_dtrace_enable_probe (struct gdbarch *gdbarch, gdbarch_dtrace_enable_probe_ftype *dtrace_enable_probe); |
| |
| /* Disable a DTrace is-enabled probe at ADDR. */ |
| |
| extern int gdbarch_dtrace_disable_probe_p (struct gdbarch *gdbarch); |
| |
| typedef void (gdbarch_dtrace_disable_probe_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); |
| extern void gdbarch_dtrace_disable_probe (struct gdbarch *gdbarch, CORE_ADDR addr); |
| extern void set_gdbarch_dtrace_disable_probe (struct gdbarch *gdbarch, gdbarch_dtrace_disable_probe_ftype *dtrace_disable_probe); |
| |
| /* True if the list of shared libraries is one and only for all |
| processes, as opposed to a list of shared libraries per inferior. |
| This usually means that all processes, although may or may not share |
| an address space, will see the same set of symbols at the same |
| addresses. */ |
| |
| extern int gdbarch_has_global_solist (struct gdbarch *gdbarch); |
| extern void set_gdbarch_has_global_solist (struct gdbarch *gdbarch, int has_global_solist); |
| |
| /* On some targets, even though each inferior has its own private |
| address space, the debug interface takes care of making breakpoints |
| visible to all address spaces automatically. For such cases, |
| this property should be set to true. */ |
| |
| extern int gdbarch_has_global_breakpoints (struct gdbarch *gdbarch); |
| extern void set_gdbarch_has_global_breakpoints (struct gdbarch *gdbarch, int has_global_breakpoints); |
| |
| /* True if inferiors share an address space (e.g., uClinux). */ |
| |
| typedef int (gdbarch_has_shared_address_space_ftype) (struct gdbarch *gdbarch); |
| extern int gdbarch_has_shared_address_space (struct gdbarch *gdbarch); |
| extern void set_gdbarch_has_shared_address_space (struct gdbarch *gdbarch, gdbarch_has_shared_address_space_ftype *has_shared_address_space); |
| |
| /* True if a fast tracepoint can be set at an address. */ |
| |
| typedef int (gdbarch_fast_tracepoint_valid_at_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, char **msg); |
| extern int gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, CORE_ADDR addr, char **msg); |
| extern void set_gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, gdbarch_fast_tracepoint_valid_at_ftype *fast_tracepoint_valid_at); |
| |
| /* Guess register state based on tracepoint location. Used for tracepoints |
| where no registers have been collected, but there's only one location, |
| allowing us to guess the PC value, and perhaps some other registers. |
| On entry, regcache has all registers marked as unavailable. */ |
| |
| typedef void (gdbarch_guess_tracepoint_registers_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr); |
| extern void gdbarch_guess_tracepoint_registers (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr); |
| extern void set_gdbarch_guess_tracepoint_registers (struct gdbarch *gdbarch, gdbarch_guess_tracepoint_registers_ftype *guess_tracepoint_registers); |
| |
| /* Return the "auto" target charset. */ |
| |
| typedef const char * (gdbarch_auto_charset_ftype) (void); |
| extern const char * gdbarch_auto_charset (struct gdbarch *gdbarch); |
| extern void set_gdbarch_auto_charset (struct gdbarch *gdbarch, gdbarch_auto_charset_ftype *auto_charset); |
| |
| /* Return the "auto" target wide charset. */ |
| |
| typedef const char * (gdbarch_auto_wide_charset_ftype) (void); |
| extern const char * gdbarch_auto_wide_charset (struct gdbarch *gdbarch); |
| extern void set_gdbarch_auto_wide_charset (struct gdbarch *gdbarch, gdbarch_auto_wide_charset_ftype *auto_wide_charset); |
| |
| /* If non-empty, this is a file extension that will be opened in place |
| of the file extension reported by the shared library list. |
| |
| This is most useful for toolchains that use a post-linker tool, |
| where the names of the files run on the target differ in extension |
| compared to the names of the files GDB should load for debug info. */ |
| |
| extern const char * gdbarch_solib_symbols_extension (struct gdbarch *gdbarch); |
| extern void set_gdbarch_solib_symbols_extension (struct gdbarch *gdbarch, const char * solib_symbols_extension); |
| |
| /* If true, the target OS has DOS-based file system semantics. That |
| is, absolute paths include a drive name, and the backslash is |
| considered a directory separator. */ |
| |
| extern int gdbarch_has_dos_based_file_system (struct gdbarch *gdbarch); |
| extern void set_gdbarch_has_dos_based_file_system (struct gdbarch *gdbarch, int has_dos_based_file_system); |
| |
| /* Generate bytecodes to collect the return address in a frame. |
| Since the bytecodes run on the target, possibly with GDB not even |
| connected, the full unwinding machinery is not available, and |
| typically this function will issue bytecodes for one or more likely |
| places that the return address may be found. */ |
| |
| typedef void (gdbarch_gen_return_address_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope); |
| extern void gdbarch_gen_return_address (struct gdbarch *gdbarch, struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope); |
| extern void set_gdbarch_gen_return_address (struct gdbarch *gdbarch, gdbarch_gen_return_address_ftype *gen_return_address); |
| |
| /* Implement the "info proc" command. */ |
| |
| extern int gdbarch_info_proc_p (struct gdbarch *gdbarch); |
| |
| typedef void (gdbarch_info_proc_ftype) (struct gdbarch *gdbarch, const char *args, enum info_proc_what what); |
| extern void gdbarch_info_proc (struct gdbarch *gdbarch, const char *args, enum info_proc_what what); |
| extern void set_gdbarch_info_proc (struct gdbarch *gdbarch, gdbarch_info_proc_ftype *info_proc); |
| |
| /* Implement the "info proc" command for core files. Noe that there |
| are two "info_proc"-like methods on gdbarch -- one for core files, |
| one for live targets. */ |
| |
| extern int gdbarch_core_info_proc_p (struct gdbarch *gdbarch); |
| |
| typedef void (gdbarch_core_info_proc_ftype) (struct gdbarch *gdbarch, const char *args, enum info_proc_what what); |
| extern void gdbarch_core_info_proc (struct gdbarch *gdbarch, const char *args, enum info_proc_what what); |
| extern void set_gdbarch_core_info_proc (struct gdbarch *gdbarch, gdbarch_core_info_proc_ftype *core_info_proc); |
| |
| /* Iterate over all objfiles in the order that makes the most sense |
| for the architecture to make global symbol searches. |
| |
| CB is a callback function where OBJFILE is the objfile to be searched, |
| and CB_DATA a pointer to user-defined data (the same data that is passed |
| when calling this gdbarch method). The iteration stops if this function |
| returns nonzero. |
| |
| CB_DATA is a pointer to some user-defined data to be passed to |
| the callback. |
| |
| If not NULL, CURRENT_OBJFILE corresponds to the objfile being |
| inspected when the symbol search was requested. */ |
| |
| typedef void (gdbarch_iterate_over_objfiles_in_search_order_ftype) (struct gdbarch *gdbarch, iterate_over_objfiles_in_search_order_cb_ftype *cb, void *cb_data, struct objfile *current_objfile); |
| extern void gdbarch_iterate_over_objfiles_in_search_order (struct gdbarch *gdbarch, iterate_over_objfiles_in_search_order_cb_ftype *cb, void *cb_data, struct objfile *current_objfile); |
| extern void set_gdbarch_iterate_over_objfiles_in_search_order (struct gdbarch *gdbarch, gdbarch_iterate_over_objfiles_in_search_order_ftype *iterate_over_objfiles_in_search_order); |
| |
| /* Ravenscar arch-dependent ops. */ |
| |
| extern struct ravenscar_arch_ops * gdbarch_ravenscar_ops (struct gdbarch *gdbarch); |
| extern void set_gdbarch_ravenscar_ops (struct gdbarch *gdbarch, struct ravenscar_arch_ops * ravenscar_ops); |
| |
| /* Return non-zero if the instruction at ADDR is a call; zero otherwise. */ |
| |
| typedef int (gdbarch_insn_is_call_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); |
| extern int gdbarch_insn_is_call (struct gdbarch *gdbarch, CORE_ADDR addr); |
| extern void set_gdbarch_insn_is_call (struct gdbarch *gdbarch, gdbarch_insn_is_call_ftype *insn_is_call); |
| |
| /* Return non-zero if the instruction at ADDR is a return; zero otherwise. */ |
| |
| typedef int (gdbarch_insn_is_ret_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); |
| extern int gdbarch_insn_is_ret (struct gdbarch *gdbarch, CORE_ADDR addr); |
| extern void set_gdbarch_insn_is_ret (struct gdbarch *gdbarch, gdbarch_insn_is_ret_ftype *insn_is_ret); |
| |
| /* Return non-zero if the instruction at ADDR is a jump; zero otherwise. */ |
| |
| typedef int (gdbarch_insn_is_jump_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr); |
| extern int gdbarch_insn_is_jump (struct gdbarch *gdbarch, CORE_ADDR addr); |
| extern void set_gdbarch_insn_is_jump (struct gdbarch *gdbarch, gdbarch_insn_is_jump_ftype *insn_is_jump); |
| |
| /* Read one auxv entry from *READPTR, not reading locations >= ENDPTR. |
| Return 0 if *READPTR is already at the end of the buffer. |
| Return -1 if there is insufficient buffer for a whole entry. |
| Return 1 if an entry was read into *TYPEP and *VALP. */ |
| |
| extern int gdbarch_auxv_parse_p (struct gdbarch *gdbarch); |
| |
| typedef int (gdbarch_auxv_parse_ftype) (struct gdbarch *gdbarch, gdb_byte **readptr, gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp); |
| extern int gdbarch_auxv_parse (struct gdbarch *gdbarch, gdb_byte **readptr, gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp); |
| extern void set_gdbarch_auxv_parse (struct gdbarch *gdbarch, gdbarch_auxv_parse_ftype *auxv_parse); |
| |
| /* Print the description of a single auxv entry described by TYPE and VAL |
| to FILE. */ |
| |
| typedef void (gdbarch_print_auxv_entry_ftype) (struct gdbarch *gdbarch, struct ui_file *file, CORE_ADDR type, CORE_ADDR val); |
| extern void gdbarch_print_auxv_entry (struct gdbarch *gdbarch, struct ui_file *file, CORE_ADDR type, CORE_ADDR val); |
| extern void set_gdbarch_print_auxv_entry (struct gdbarch *gdbarch, gdbarch_print_auxv_entry_ftype *print_auxv_entry); |
| |
| /* Find the address range of the current inferior's vsyscall/vDSO, and |
| write it to *RANGE. If the vsyscall's length can't be determined, a |
| range with zero length is returned. Returns true if the vsyscall is |
| found, false otherwise. */ |
| |
| typedef int (gdbarch_vsyscall_range_ftype) (struct gdbarch *gdbarch, struct mem_range *range); |
| extern int gdbarch_vsyscall_range (struct gdbarch *gdbarch, struct mem_range *range); |
| extern void set_gdbarch_vsyscall_range (struct gdbarch *gdbarch, gdbarch_vsyscall_range_ftype *vsyscall_range); |
| |
| /* Allocate SIZE bytes of PROT protected page aligned memory in inferior. |
| PROT has GDB_MMAP_PROT_* bitmask format. |
| Throw an error if it is not possible. Returned address is always valid. */ |
| |
| typedef CORE_ADDR (gdbarch_infcall_mmap_ftype) (CORE_ADDR size, unsigned prot); |
| extern CORE_ADDR gdbarch_infcall_mmap (struct gdbarch *gdbarch, CORE_ADDR size, unsigned prot); |
| extern void set_gdbarch_infcall_mmap (struct gdbarch *gdbarch, gdbarch_infcall_mmap_ftype *infcall_mmap); |
| |
| /* Deallocate SIZE bytes of memory at ADDR in inferior from gdbarch_infcall_mmap. |
| Print a warning if it is not possible. */ |
| |
| typedef void (gdbarch_infcall_munmap_ftype) (CORE_ADDR addr, CORE_ADDR size); |
| extern void gdbarch_infcall_munmap (struct gdbarch *gdbarch, CORE_ADDR addr, CORE_ADDR size); |
| extern void set_gdbarch_infcall_munmap (struct gdbarch *gdbarch, gdbarch_infcall_munmap_ftype *infcall_munmap); |
| |
| /* Return string (caller has to use xfree for it) with options for GCC |
| to produce code for this target, typically "-m64", "-m32" or "-m31". |
| These options are put before CU's DW_AT_producer compilation options so that |
| they can override it. Method may also return NULL. */ |
| |
| typedef char * (gdbarch_gcc_target_options_ftype) (struct gdbarch *gdbarch); |
| extern char * gdbarch_gcc_target_options (struct gdbarch *gdbarch); |
| extern void set_gdbarch_gcc_target_options (struct gdbarch *gdbarch, gdbarch_gcc_target_options_ftype *gcc_target_options); |
| |
| /* Return a regular expression that matches names used by this |
| architecture in GNU configury triplets. The result is statically |
| allocated and must not be freed. The default implementation simply |
| returns the BFD architecture name, which is correct in nearly every |
| case. */ |
| |
| typedef const char * (gdbarch_gnu_triplet_regexp_ftype) (struct gdbarch *gdbarch); |
| extern const char * gdbarch_gnu_triplet_regexp (struct gdbarch *gdbarch); |
| extern void set_gdbarch_gnu_triplet_regexp (struct gdbarch *gdbarch, gdbarch_gnu_triplet_regexp_ftype *gnu_triplet_regexp); |
| |
| /* Return the size in 8-bit bytes of an addressable memory unit on this |
| architecture. This corresponds to the number of 8-bit bytes associated to |
| each address in memory. */ |
| |
| typedef int (gdbarch_addressable_memory_unit_size_ftype) (struct gdbarch *gdbarch); |
| extern int gdbarch_addressable_memory_unit_size (struct gdbarch *gdbarch); |
| extern void set_gdbarch_addressable_memory_unit_size (struct gdbarch *gdbarch, gdbarch_addressable_memory_unit_size_ftype *addressable_memory_unit_size); |
| |
| /* Definition for an unknown syscall, used basically in error-cases. */ |
| #define UNKNOWN_SYSCALL (-1) |
| |
| 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 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). */ |
| enum bfd_endian byte_order; |
| |
| enum bfd_endian byte_order_for_code; |
| |
| /* Use default: NULL (ZERO). */ |
| bfd *abfd; |
| |
| /* Use default: NULL (ZERO). */ |
| void *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))) |
| |
| /* Duplicate STRING, returning an equivalent string that's allocated on the |
| obstack associated with GDBARCH. The string is freed when the corresponding |
| architecture is also freed. */ |
| |
| extern char *gdbarch_obstack_strdup (struct gdbarch *arch, const char *string); |
| |
| /* 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. */ |
| |
| extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info); |
| |
| |
| /* Helper function. Set the target gdbarch to "gdbarch". */ |
| |
| extern void set_target_gdbarch (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 unsigned int gdbarch_debug; |
| |
| extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file); |
| |
| #endif |
