X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=gdb%2Fgdbarch.h;h=6404dc1cb438b09e2179ff90c29d6b582f3ee63c;hb=ea764154c27a11619ba764a4c92f395ba5007234;hp=e13c4699a607a4be44914fd40224870ea7806eb7;hpb=e9076973c822e6df7f84bb8bc0b69aa42dd29eb3;p=binutils-gdb.git diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h index e13c4699a60..6404dc1cb43 100644 --- a/gdb/gdbarch.h +++ b/gdb/gdbarch.h @@ -1,9 +1,6 @@ -/* *INDENT-OFF* */ /* THIS FILE IS GENERATED -*- buffer-read-only: t -*- */ -/* vi:set ro: */ - /* Dynamic architecture support for GDB, the GNU debugger. - Copyright (C) 1998-2018 Free Software Foundation, Inc. + Copyright (C) 1998-2022 Free Software Foundation, Inc. This file is part of GDB. @@ -20,17 +17,6 @@ You should have received a copy of the GNU General Public License along with this program. If not, see . */ -/* 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 @@ -38,7 +24,10 @@ #include #include "frame.h" #include "dis-asm.h" -#include "gdb_obstack.h" +#include "gdbsupport/gdb_obstack.h" +#include "infrun.h" +#include "osabi.h" +#include "displaced-stepping.h" struct floatformat; struct ui_file; @@ -55,20 +44,22 @@ struct obstack; struct bp_target_info; struct target_desc; struct symbol; -struct displaced_step_closure; struct syscall; struct agent_expr; struct axs_value; struct stap_parse_info; -struct parser_state; +struct expr_builder; struct ravenscar_arch_ops; struct mem_range; struct syscalls_info; struct thread_info; struct ui_out; +struct inferior; #include "regcache.h" +struct gdbarch_tdep {}; + /* The architecture associated with the inferior through the connection to the target. @@ -124,1473 +115,32 @@ enum function_call_return_method return_method_struct, }; +enum class memtag_type +{ + /* Logical tag, the tag that is stored in unused bits of a pointer to a + virtual address. */ + logical = 0, + + /* Allocation tag, the tag that is associated with every granule of memory in + the physical address space. Allocation tags are used to validate memory + accesses via pointers containing logical tags. */ + allocation, +}; +/* Callback types for 'read_core_file_mappings' gdbarch method. */ -/* 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 short or unsigned short for the target machine. */ - -extern int gdbarch_short_bit (struct gdbarch *gdbarch); -extern void set_gdbarch_short_bit (struct gdbarch *gdbarch, int short_bit); - -/* Number of bits in an int or unsigned int for the target machine. */ - -extern int gdbarch_int_bit (struct gdbarch *gdbarch); -extern void set_gdbarch_int_bit (struct gdbarch *gdbarch, int int_bit); - -/* Number of bits in a long or unsigned long for the target machine. */ - -extern int gdbarch_long_bit (struct gdbarch *gdbarch); -extern void set_gdbarch_long_bit (struct gdbarch *gdbarch, int long_bit); - -/* Number of bits in a long long or unsigned long long for the target - machine. */ - -extern int gdbarch_long_long_bit (struct gdbarch *gdbarch); -extern void set_gdbarch_long_long_bit (struct gdbarch *gdbarch, int long_long_bit); - -/* The ABI default bit-size and format for "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); - -/* The ABI default bit-size for "wchar_t". wchar_t is a built-in type - starting with C++11. */ - -extern int gdbarch_wchar_bit (struct gdbarch *gdbarch); -extern void set_gdbarch_wchar_bit (struct gdbarch *gdbarch, int wchar_bit); - -/* One if `wchar_t' is signed, zero if unsigned. */ - -extern int gdbarch_wchar_signed (struct gdbarch *gdbarch); -extern void set_gdbarch_wchar_signed (struct gdbarch *gdbarch, int wchar_signed); - -/* Returns the floating-point format to be used for values of length LENGTH. - NAME, if non-NULL, is the type name, which may be used to distinguish - different target formats of the same length. */ - -typedef const struct floatformat ** (gdbarch_floatformat_for_type_ftype) (struct gdbarch *gdbarch, const char *name, int length); -extern const struct floatformat ** gdbarch_floatformat_for_type (struct gdbarch *gdbarch, const char *name, int length); -extern void set_gdbarch_floatformat_for_type (struct gdbarch *gdbarch, gdbarch_floatformat_for_type_ftype *floatformat_for_type); - -/* 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) (readable_regcache *regcache); -extern CORE_ADDR gdbarch_read_pc (struct gdbarch *gdbarch, readable_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, readable_regcache *regcache, int cookednum, gdb_byte *buf); -extern enum register_status gdbarch_pseudo_register_read (struct gdbarch *gdbarch, readable_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, readable_regcache *regcache, int cookednum); -extern struct value * gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, readable_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, function_call_return_method return_method, 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, function_call_return_method return_method, 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 breakpoint kind for this target based on *PCPTR. */ - -typedef int (gdbarch_breakpoint_kind_from_pc_ftype) (struct gdbarch *gdbarch, CORE_ADDR *pcptr); -extern int gdbarch_breakpoint_kind_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr); -extern void set_gdbarch_breakpoint_kind_from_pc (struct gdbarch *gdbarch, gdbarch_breakpoint_kind_from_pc_ftype *breakpoint_kind_from_pc); - -/* Return the software breakpoint from KIND. KIND can have target - specific meaning like the Z0 kind parameter. - SIZE is set to the software breakpoint's length in memory. */ - -typedef const gdb_byte * (gdbarch_sw_breakpoint_from_kind_ftype) (struct gdbarch *gdbarch, int kind, int *size); -extern const gdb_byte * gdbarch_sw_breakpoint_from_kind (struct gdbarch *gdbarch, int kind, int *size); -extern void set_gdbarch_sw_breakpoint_from_kind (struct gdbarch *gdbarch, gdbarch_sw_breakpoint_from_kind_ftype *sw_breakpoint_from_kind); - -/* Return the breakpoint kind for this target based on the current - processor state (e.g. the current instruction mode on ARM) and the - *PCPTR. In default, it is gdbarch->breakpoint_kind_from_pc. */ - -typedef int (gdbarch_breakpoint_kind_from_current_state_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR *pcptr); -extern int gdbarch_breakpoint_kind_from_current_state (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR *pcptr); -extern void set_gdbarch_breakpoint_kind_from_current_state (struct gdbarch *gdbarch, gdbarch_breakpoint_kind_from_current_state_ftype *breakpoint_kind_from_current_state); - -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); - -/* On some machines, not all bits of an address word are significant. - For example, on AArch64, the top bits of an address known as the "tag" - are ignored by the kernel, the hardware, etc. and can be regarded as - additional data associated with the address. */ - -extern int gdbarch_significant_addr_bit (struct gdbarch *gdbarch); -extern void set_gdbarch_significant_addr_bit (struct gdbarch *gdbarch, int significant_addr_bit); - -/* 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. - - Return a vector of addresses on which the software single step - breakpoints should be inserted. NULL means software single step is - not used. - Multiple breakpoints may be inserted for some instructions such as - conditional branch. However, each implementation must always evaluate - the condition and only put the breakpoint at the branch destination if - the condition is true, so that we ensure forward progress when stepping - past a conditional branch to self. */ - -extern int gdbarch_software_single_step_p (struct gdbarch *gdbarch); - -typedef std::vector (gdbarch_software_single_step_ftype) (struct regcache *regcache); -extern std::vector gdbarch_software_single_step (struct gdbarch *gdbarch, struct regcache *regcache); -extern void set_gdbarch_software_single_step (struct gdbarch *gdbarch, gdbarch_software_single_step_ftype *software_single_step); - -/* Return non-zero if the processor is executing a delay slot and a - 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); - -/* Return true if PC lies inside an indirect branch thunk. */ - -typedef bool (gdbarch_in_indirect_branch_thunk_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc); -extern bool gdbarch_in_indirect_branch_thunk (struct gdbarch *gdbarch, CORE_ADDR pc); -extern void set_gdbarch_in_indirect_branch_thunk (struct gdbarch *gdbarch, gdbarch_in_indirect_branch_thunk_ftype *in_indirect_branch_thunk); - -/* 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); - -/* See comment in target.h about continuable, steppable and - non-steppable watchpoints. */ - -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); - -/* Execute vendor-specific DWARF Call Frame Instruction. OP is the instruction. - FS are passed from the generic execute_cfa_program function. */ - -typedef bool (gdbarch_execute_dwarf_cfa_vendor_op_ftype) (struct gdbarch *gdbarch, gdb_byte op, struct dwarf2_frame_state *fs); -extern bool gdbarch_execute_dwarf_cfa_vendor_op (struct gdbarch *gdbarch, gdb_byte op, struct dwarf2_frame_state *fs); -extern void set_gdbarch_execute_dwarf_cfa_vendor_op (struct gdbarch *gdbarch, gdbarch_execute_dwarf_cfa_vendor_op_ftype *execute_dwarf_cfa_vendor_op); - -/* Return the appropriate type_flags for the supplied address class. - This function should return 1 if the address class was recognized and - type_flags was set, zero otherwise. */ - -extern int gdbarch_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); - -/* 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 const char * (gdbarch_core_pid_to_str_ftype) (struct gdbarch *gdbarch, ptid_t ptid); -extern const char * gdbarch_core_pid_to_str (struct gdbarch *gdbarch, ptid_t ptid); -extern void set_gdbarch_core_pid_to_str (struct gdbarch *gdbarch, gdbarch_core_pid_to_str_ftype *core_pid_to_str); - -/* How the core target extracts the name of a thread from a core file. */ - -extern int gdbarch_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); - -/* Read offset OFFSET of TARGET_OBJECT_SIGNAL_INFO signal information - from core file into buffer READBUF with length LEN. Return the number - of bytes read (zero indicates EOF, a negative value indicates failure). */ - -extern int gdbarch_core_xfer_siginfo_p (struct gdbarch *gdbarch); - -typedef LONGEST (gdbarch_core_xfer_siginfo_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len); -extern LONGEST gdbarch_core_xfer_siginfo (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len); -extern void set_gdbarch_core_xfer_siginfo (struct gdbarch *gdbarch, gdbarch_core_xfer_siginfo_ftype *core_xfer_siginfo); - -/* 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 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); - -/* 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 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 - 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, thread_info *thread); -extern LONGEST gdbarch_get_syscall_number (struct gdbarch *gdbarch, thread_info *thread); -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: - - - - 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, std::string *msg); -extern int gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, CORE_ADDR addr, std::string *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); - -/* Functions for allowing a target to modify its disassembler options. */ - -extern const char * gdbarch_disassembler_options_implicit (struct gdbarch *gdbarch); -extern void set_gdbarch_disassembler_options_implicit (struct gdbarch *gdbarch, const char * disassembler_options_implicit); - -extern char ** gdbarch_disassembler_options (struct gdbarch *gdbarch); -extern void set_gdbarch_disassembler_options (struct gdbarch *gdbarch, char ** disassembler_options); - -extern const disasm_options_and_args_t * gdbarch_valid_disassembler_options (struct gdbarch *gdbarch); -extern void set_gdbarch_valid_disassembler_options (struct gdbarch *gdbarch, const disasm_options_and_args_t * valid_disassembler_options); +using read_core_file_mappings_pre_loop_ftype = + gdb::function_view; -/* Type alignment. */ +using read_core_file_mappings_loop_ftype = + gdb::function_view; -typedef ULONGEST (gdbarch_type_align_ftype) (struct gdbarch *gdbarch, struct type *type); -extern ULONGEST gdbarch_type_align (struct gdbarch *gdbarch, struct type *type); -extern void set_gdbarch_type_align (struct gdbarch *gdbarch, gdbarch_type_align_ftype *type_align); +#include "gdbarch-gen.h" extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch); @@ -1660,24 +210,22 @@ struct gdbarch_list struct gdbarch_info { - /* Use default: NULL (ZERO). */ - const struct bfd_arch_info *bfd_arch_info; + gdbarch_info () + /* Ensure the union is zero-initialized. Relies on the fact that there's + no member larger than TDESC_DATA. */ + : tdesc_data () + {} - /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */ - enum bfd_endian byte_order; + const struct bfd_arch_info *bfd_arch_info = nullptr; - enum bfd_endian byte_order_for_code; + enum bfd_endian byte_order = BFD_ENDIAN_UNKNOWN; - /* Use default: NULL (ZERO). */ - bfd *abfd; + enum bfd_endian byte_order_for_code = BFD_ENDIAN_UNKNOWN; + + bfd *abfd = nullptr; - /* Use default: NULL (ZERO). */ union { - /* Architecture-specific information. The generic form for targets - that have extra requirements. */ - struct gdbarch_tdep_info *tdep_info; - /* Architecture-specific target description data. Numerous targets need only this, so give them an easy way to hold it. */ struct tdesc_arch_data *tdesc_data; @@ -1688,11 +236,9 @@ struct gdbarch_info int *id; }; - /* Use default: GDB_OSABI_UNINITIALIZED (-1). */ - enum gdb_osabi osabi; + enum gdb_osabi osabi = GDB_OSABI_UNKNOWN; - /* Use default: NULL (ZERO). */ - const struct target_desc *target_desc; + const struct target_desc *target_desc = nullptr; }; typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches); @@ -1702,16 +248,15 @@ typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file 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 *); + 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. */ +/* Return a vector 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); +extern std::vector gdbarch_printable_names (); /* Helper function. Search the list of ARCHES for a GDBARCH that @@ -1766,8 +311,8 @@ 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. + INFO should have relevant fields set, and then finished using + gdbarch_info_fill. Returns the corresponding architecture, or NULL if no matching architecture was found. */ @@ -1803,9 +348,6 @@ 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 *);