/* Dynamic architecture support for GDB, the GNU debugger.
- Copyright (C) 1998-2019 Free Software Foundation, Inc.
+ Copyright (C) 1998-2022 Free Software Foundation, Inc.
This file is part of GDB.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
-/* This file was created with the aid of ``gdbarch.sh''.
-
- The Bourne shell script ``gdbarch.sh'' creates the files
- ``new-gdbarch.c'' and ``new-gdbarch.h and then compares them
- against the existing ``gdbarch.[hc]''. Any differences found
- being reported.
-
- If editing this file, please also run gdbarch.sh and merge any
- changes into that script. Conversely, when making sweeping changes
- to this file, modifying gdbarch.sh and using its output may prove
- easier. */
+/* This file was created with the aid of ``gdbarch.sh''. */
#ifndef GDBARCH_H
#define GDBARCH_H
#include "frame.h"
#include "dis-asm.h"
#include "gdb_obstack.h"
+#include "infrun.h"
+#include "osabi.h"
+#include "displaced-stepping.h"
struct floatformat;
struct ui_file;
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"
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,
+};
+
/* The following are pre-initialized by GDBARCH. */
/* 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 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
+/* The ABI default bit-size and format for "bfloat16", "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_bfloat16_bit (struct gdbarch *gdbarch);
+extern void set_gdbarch_bfloat16_bit (struct gdbarch *gdbarch, int bfloat16_bit);
+
+extern const struct floatformat ** gdbarch_bfloat16_format (struct gdbarch *gdbarch);
+extern void set_gdbarch_bfloat16_format (struct gdbarch *gdbarch, const struct floatformat ** bfloat16_format);
+
extern int gdbarch_half_bit (struct gdbarch *gdbarch);
extern void set_gdbarch_half_bit (struct gdbarch *gdbarch, int half_bit);
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);
+extern bool 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);
+extern bool 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 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);
+extern bool 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);
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);
+extern bool 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);
+extern bool 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);
/* 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);
+extern bool 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);
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);
+extern bool 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.
+/* Some architectures can display additional information for specific
+ signals.
UIOUT is the output stream where the handler will place information. */
-extern int gdbarch_handle_segmentation_fault_p (struct gdbarch *gdbarch);
+extern bool gdbarch_report_signal_info_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);
+typedef void (gdbarch_report_signal_info_ftype) (struct gdbarch *gdbarch, struct ui_out *uiout, enum gdb_signal siggnal);
+extern void gdbarch_report_signal_info (struct gdbarch *gdbarch, struct ui_out *uiout, enum gdb_signal siggnal);
+extern void set_gdbarch_report_signal_info (struct gdbarch *gdbarch, gdbarch_report_signal_info_ftype *report_signal_info);
/* 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
the register cache should call this function directly; others should
use "register_type". */
-extern int gdbarch_register_type_p (struct gdbarch *gdbarch);
+extern bool 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 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);
+extern bool 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 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);
+extern bool 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 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);
+extern bool 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);
FRAME corresponds to the longjmp frame. */
-extern int gdbarch_get_longjmp_target_p (struct gdbarch *gdbarch);
+extern bool 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 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);
+extern bool 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);
to force the value returned by a function (see the "return" command
for instance). */
-extern int gdbarch_return_value_p (struct gdbarch *gdbarch);
+extern bool 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 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);
+extern bool 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);
by GDB common code even when debugging optimized code, where skip_prologue
is not used. */
-extern int gdbarch_skip_entrypoint_p (struct gdbarch *gdbarch);
+extern bool 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 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);
+extern bool 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);
/* Fetch the target specific address used to represent a load module. */
-extern int gdbarch_fetch_tls_load_module_address_p (struct gdbarch *gdbarch);
+extern bool 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);
+/* Return the thread-local address at OFFSET in the thread-local
+ storage for the thread PTID and the shared library or executable
+ file given by LM_ADDR. If that block of thread-local storage hasn't
+ been allocated yet, this function may throw an error. LM_ADDR may
+ be zero for statically linked multithreaded inferiors. */
+
+extern bool gdbarch_get_thread_local_address_p (struct gdbarch *gdbarch);
+
+typedef CORE_ADDR (gdbarch_get_thread_local_address_ftype) (struct gdbarch *gdbarch, ptid_t ptid, CORE_ADDR lm_addr, CORE_ADDR offset);
+extern CORE_ADDR gdbarch_get_thread_local_address (struct gdbarch *gdbarch, ptid_t ptid, CORE_ADDR lm_addr, CORE_ADDR offset);
+extern void set_gdbarch_get_thread_local_address (struct gdbarch *gdbarch, gdbarch_get_thread_local_address_ftype *get_thread_local_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);
/* 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);
+extern bool 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);
+extern bool 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 int gdbarch_significant_addr_bit (struct gdbarch *gdbarch);
extern void set_gdbarch_significant_addr_bit (struct gdbarch *gdbarch, int significant_addr_bit);
+/* Return a string representation of the memory tag TAG. */
+
+typedef std::string (gdbarch_memtag_to_string_ftype) (struct gdbarch *gdbarch, struct value *tag);
+extern std::string gdbarch_memtag_to_string (struct gdbarch *gdbarch, struct value *tag);
+extern void set_gdbarch_memtag_to_string (struct gdbarch *gdbarch, gdbarch_memtag_to_string_ftype *memtag_to_string);
+
+/* Return true if ADDRESS contains a tag and false otherwise. ADDRESS
+ must be either a pointer or a reference type. */
+
+typedef bool (gdbarch_tagged_address_p_ftype) (struct gdbarch *gdbarch, struct value *address);
+extern bool gdbarch_tagged_address_p (struct gdbarch *gdbarch, struct value *address);
+extern void set_gdbarch_tagged_address_p (struct gdbarch *gdbarch, gdbarch_tagged_address_p_ftype *tagged_address_p);
+
+/* Return true if the tag from ADDRESS matches the memory tag for that
+ particular address. Return false otherwise. */
+
+typedef bool (gdbarch_memtag_matches_p_ftype) (struct gdbarch *gdbarch, struct value *address);
+extern bool gdbarch_memtag_matches_p (struct gdbarch *gdbarch, struct value *address);
+extern void set_gdbarch_memtag_matches_p (struct gdbarch *gdbarch, gdbarch_memtag_matches_p_ftype *memtag_matches_p);
+
+/* Set the tags of type TAG_TYPE, for the memory address range
+ [ADDRESS, ADDRESS + LENGTH) to TAGS.
+ Return true if successful and false otherwise. */
+
+typedef bool (gdbarch_set_memtags_ftype) (struct gdbarch *gdbarch, struct value *address, size_t length, const gdb::byte_vector &tags, memtag_type tag_type);
+extern bool gdbarch_set_memtags (struct gdbarch *gdbarch, struct value *address, size_t length, const gdb::byte_vector &tags, memtag_type tag_type);
+extern void set_gdbarch_set_memtags (struct gdbarch *gdbarch, gdbarch_set_memtags_ftype *set_memtags);
+
+/* Return the tag of type TAG_TYPE associated with the memory address ADDRESS,
+ assuming ADDRESS is tagged. */
+
+typedef struct value * (gdbarch_get_memtag_ftype) (struct gdbarch *gdbarch, struct value *address, memtag_type tag_type);
+extern struct value * gdbarch_get_memtag (struct gdbarch *gdbarch, struct value *address, memtag_type tag_type);
+extern void set_gdbarch_get_memtag (struct gdbarch *gdbarch, gdbarch_get_memtag_ftype *get_memtag);
+
+/* memtag_granule_size is the size of the allocation tag granule, for
+ architectures that support memory tagging.
+ This is 0 for architectures that do not support memory tagging.
+ For a non-zero value, this represents the number of bytes of memory per tag. */
+
+extern CORE_ADDR gdbarch_memtag_granule_size (struct gdbarch *gdbarch);
+extern void set_gdbarch_memtag_granule_size (struct gdbarch *gdbarch, CORE_ADDR memtag_granule_size);
+
/* 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.
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);
+extern bool gdbarch_software_single_step_p (struct gdbarch *gdbarch);
typedef std::vector<CORE_ADDR> (gdbarch_software_single_step_ftype) (struct regcache *regcache);
extern std::vector<CORE_ADDR> gdbarch_software_single_step (struct gdbarch *gdbarch, struct regcache *regcache);
/* 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);
+extern bool 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);
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);
+extern bool 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 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);
+extern bool 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);
+typedef type_instance_flags (gdbarch_address_class_type_flags_ftype) (int byte_size, int dwarf2_addr_class);
+extern type_instance_flags 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);
+extern bool 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);
+typedef const char * (gdbarch_address_class_type_flags_to_name_ftype) (struct gdbarch *gdbarch, type_instance_flags type_flags);
+extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch *gdbarch, type_instance_flags 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.
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. */
+ This function should return true if the address class was recognized and
+ type_flags was set, false otherwise. */
-extern int gdbarch_address_class_name_to_type_flags_p (struct gdbarch *gdbarch);
+extern bool 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);
+typedef bool (gdbarch_address_class_name_to_type_flags_ftype) (struct gdbarch *gdbarch, const char *name, type_instance_flags *type_flags_ptr);
+extern bool gdbarch_address_class_name_to_type_flags (struct gdbarch *gdbarch, const char *name, type_instance_flags *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 */
/* Fetch the pointer to the ith function argument. */
-extern int gdbarch_fetch_pointer_argument_p (struct gdbarch *gdbarch);
+extern bool 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);
values. Otherwise it should enumerate all supported register note
sections. */
-extern int gdbarch_iterate_over_regset_sections_p (struct gdbarch *gdbarch);
+extern bool 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);
/* Create core file notes */
-extern int gdbarch_make_corefile_notes_p (struct gdbarch *gdbarch);
+extern bool 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);
+typedef gdb::unique_xmalloc_ptr<char> (gdbarch_make_corefile_notes_ftype) (struct gdbarch *gdbarch, bfd *obfd, int *note_size);
+extern gdb::unique_xmalloc_ptr<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);
+extern bool 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);
(zero indicates failure).
failed, otherwise, return the red length of READBUF. */
-extern int gdbarch_core_xfer_shared_libraries_p (struct gdbarch *gdbarch);
+extern bool 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);
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);
+extern bool 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);
/* 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);
+extern bool 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);
+typedef std::string (gdbarch_core_pid_to_str_ftype) (struct gdbarch *gdbarch, ptid_t ptid);
+extern std::string 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);
+extern bool 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);
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);
+extern bool 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);
/* BFD target to use when generating a core file. */
-extern int gdbarch_gcore_bfd_target_p (struct gdbarch *gdbarch);
+extern bool 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);
/* The maximum length of an instruction on this architecture in bytes. */
-extern int gdbarch_max_insn_length_p (struct gdbarch *gdbarch);
+extern bool 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);
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.
+ to gdbarch_displaced_step_fixup.
For a general explanation of displaced stepping and how GDB uses it,
see the comments in infrun.c.
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);
+extern bool 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);
+typedef displaced_step_copy_insn_closure_up (gdbarch_displaced_step_copy_insn_ftype) (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, struct regcache *regs);
+extern displaced_step_copy_insn_closure_up 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).
+/* Return true if GDB should use hardware single-stepping to execute a displaced
+ step instruction. 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. */
+ 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);
+typedef bool (gdbarch_displaced_step_hw_singlestep_ftype) (struct gdbarch *gdbarch);
+extern bool gdbarch_displaced_step_hw_singlestep (struct gdbarch *gdbarch);
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
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);
+extern bool 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);
+typedef void (gdbarch_displaced_step_fixup_ftype) (struct gdbarch *gdbarch, struct displaced_step_copy_insn_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs);
+extern void gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, struct displaced_step_copy_insn_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.
+/* Prepare THREAD for it to displaced step the instruction at its current PC.
- For a general explanation of displaced stepping and how GDB uses it,
- see the comments in infrun.c. */
+ Throw an exception if any unexpected error happens. */
+
+extern bool gdbarch_displaced_step_prepare_p (struct gdbarch *gdbarch);
-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);
+typedef displaced_step_prepare_status (gdbarch_displaced_step_prepare_ftype) (struct gdbarch *gdbarch, thread_info *thread, CORE_ADDR &displaced_pc);
+extern displaced_step_prepare_status gdbarch_displaced_step_prepare (struct gdbarch *gdbarch, thread_info *thread, CORE_ADDR &displaced_pc);
+extern void set_gdbarch_displaced_step_prepare (struct gdbarch *gdbarch, gdbarch_displaced_step_prepare_ftype *displaced_step_prepare);
+
+/* Clean up after a displaced step of THREAD. */
+
+typedef displaced_step_finish_status (gdbarch_displaced_step_finish_ftype) (struct gdbarch *gdbarch, thread_info *thread, gdb_signal sig);
+extern displaced_step_finish_status gdbarch_displaced_step_finish (struct gdbarch *gdbarch, thread_info *thread, gdb_signal sig);
+extern void set_gdbarch_displaced_step_finish (struct gdbarch *gdbarch, gdbarch_displaced_step_finish_ftype *displaced_step_finish);
+
+/* Return the closure associated to the displaced step buffer that is at ADDR. */
+
+extern bool gdbarch_displaced_step_copy_insn_closure_by_addr_p (struct gdbarch *gdbarch);
+
+typedef const displaced_step_copy_insn_closure * (gdbarch_displaced_step_copy_insn_closure_by_addr_ftype) (inferior *inf, CORE_ADDR addr);
+extern const displaced_step_copy_insn_closure * gdbarch_displaced_step_copy_insn_closure_by_addr (struct gdbarch *gdbarch, inferior *inf, CORE_ADDR addr);
+extern void set_gdbarch_displaced_step_copy_insn_closure_by_addr (struct gdbarch *gdbarch, gdbarch_displaced_step_copy_insn_closure_by_addr_ftype *displaced_step_copy_insn_closure_by_addr);
+
+/* PARENT_INF has forked and CHILD_PTID is the ptid of the child. Restore the
+ contents of all displaced step buffers in the child's address space. */
+
+typedef void (gdbarch_displaced_step_restore_all_in_ptid_ftype) (inferior *parent_inf, ptid_t child_ptid);
+extern void gdbarch_displaced_step_restore_all_in_ptid (struct gdbarch *gdbarch, inferior *parent_inf, ptid_t child_ptid);
+extern void set_gdbarch_displaced_step_restore_all_in_ptid (struct gdbarch *gdbarch, gdbarch_displaced_step_restore_all_in_ptid_ftype *displaced_step_restore_all_in_ptid);
/* Relocate an instruction to execute at a different address. OLDLOC
is the address in the inferior memory where the instruction to
relative branches, and other PC-relative instructions need the
offset adjusted; etc. */
-extern int gdbarch_relocate_instruction_p (struct gdbarch *gdbarch);
+extern bool 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);
/* Refresh overlay mapped state for section OSECT. */
-extern int gdbarch_overlay_update_p (struct gdbarch *gdbarch);
+extern bool 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);
+extern bool 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);
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);
+extern bool 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);
/* Save process state after a signal.
Return -1 if something goes wrong, 0 otherwise. */
-extern int gdbarch_process_record_signal_p (struct gdbarch *gdbarch);
+extern bool 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);
"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);
+extern bool 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);
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);
+extern bool 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);
Return a type suitable to inspect extra signal information. */
-extern int gdbarch_get_siginfo_type_p (struct gdbarch *gdbarch);
+extern bool 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);
/* Record architecture-specific information from the symbol table. */
-extern int gdbarch_record_special_symbol_p (struct gdbarch *gdbarch);
+extern bool 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);
/* Function for the 'catch syscall' feature.
Get architecture-specific system calls information from registers. */
-extern int gdbarch_get_syscall_number_p (struct gdbarch *gdbarch);
+extern bool 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);
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);
+extern bool 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);
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);
+extern bool 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);
+typedef expr::operation_up (gdbarch_stap_parse_special_token_ftype) (struct gdbarch *gdbarch, struct stap_parse_info *p);
+extern expr::operation_up 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);
+/* Perform arch-dependent adjustments to a register name.
+
+ In very specific situations, it may be necessary for the register
+ name present in a SystemTap probe's argument to be handled in a
+ special way. For example, on i386, GCC may over-optimize the
+ register allocation and use smaller registers than necessary. In
+ such cases, the client that is reading and evaluating the SystemTap
+ probe (ourselves) will need to actually fetch values from the wider
+ version of the register in question.
+
+ To illustrate the example, consider the following probe argument
+ (i386):
+
+ 4@%ax
+
+ This argument says that its value can be found at the %ax register,
+ which is a 16-bit register. However, the argument's prefix says
+ that its type is "uint32_t", which is 32-bit in size. Therefore, in
+ this case, GDB should actually fetch the probe's value from register
+ %eax, not %ax. In this scenario, this function would actually
+ replace the register name from %ax to %eax.
+
+ The rationale for this can be found at PR breakpoints/24541. */
+
+extern bool gdbarch_stap_adjust_register_p (struct gdbarch *gdbarch);
+
+typedef std::string (gdbarch_stap_adjust_register_ftype) (struct gdbarch *gdbarch, struct stap_parse_info *p, const std::string ®name, int regnum);
+extern std::string gdbarch_stap_adjust_register (struct gdbarch *gdbarch, struct stap_parse_info *p, const std::string ®name, int regnum);
+extern void set_gdbarch_stap_adjust_register (struct gdbarch *gdbarch, gdbarch_stap_adjust_register_ftype *stap_adjust_register);
+
/* 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);
+extern bool 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);
+typedef expr::operation_up (gdbarch_dtrace_parse_probe_argument_ftype) (struct gdbarch *gdbarch, int narg);
+extern expr::operation_up gdbarch_dtrace_parse_probe_argument (struct gdbarch *gdbarch, 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);
+extern bool 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);
/* Enable a DTrace is-enabled probe at ADDR. */
-extern int gdbarch_dtrace_enable_probe_p (struct gdbarch *gdbarch);
+extern bool 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);
/* Disable a DTrace is-enabled probe at ADDR. */
-extern int gdbarch_dtrace_disable_probe_p (struct gdbarch *gdbarch);
+extern bool 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);
/* Implement the "info proc" command. */
-extern int gdbarch_info_proc_p (struct gdbarch *gdbarch);
+extern bool 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);
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);
+extern bool 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 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);
+/* Return true if there's a program/permanent breakpoint planted in
+ memory at ADDRESS, return false otherwise. */
+
+typedef bool (gdbarch_program_breakpoint_here_p_ftype) (struct gdbarch *gdbarch, CORE_ADDR address);
+extern bool gdbarch_program_breakpoint_here_p (struct gdbarch *gdbarch, CORE_ADDR address);
+extern void set_gdbarch_program_breakpoint_here_p (struct gdbarch *gdbarch, gdbarch_program_breakpoint_here_p_ftype *program_breakpoint_here_p);
+
/* 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);
+extern bool 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);
/* 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. */
+ they can override it. */
-typedef char * (gdbarch_gcc_target_options_ftype) (struct gdbarch *gdbarch);
-extern char * gdbarch_gcc_target_options (struct gdbarch *gdbarch);
+typedef std::string (gdbarch_gcc_target_options_ftype) (struct gdbarch *gdbarch);
+extern std::string 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
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);
-/* Type alignment. */
+/* Type alignment override method. Return the architecture specific
+ alignment required for TYPE. If there is no special handling
+ required for TYPE then return the value 0, GDB will then apply the
+ default rules as laid out in gdbtypes.c:type_align. */
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);
+/* Return a string containing any flags for the given PC in the given FRAME. */
+
+typedef std::string (gdbarch_get_pc_address_flags_ftype) (frame_info *frame, CORE_ADDR pc);
+extern std::string gdbarch_get_pc_address_flags (struct gdbarch *gdbarch, frame_info *frame, CORE_ADDR pc);
+extern void set_gdbarch_get_pc_address_flags (struct gdbarch *gdbarch, gdbarch_get_pc_address_flags_ftype *get_pc_address_flags);
+
+/* Read core file mappings */
+
+typedef void (gdbarch_read_core_file_mappings_ftype) (struct gdbarch *gdbarch, struct bfd *cbfd, gdb::function_view<void (ULONGEST count)> pre_loop_cb, gdb::function_view<void (int num, ULONGEST start, ULONGEST end, ULONGEST file_ofs, const char *filename)> loop_cb);
+extern void gdbarch_read_core_file_mappings (struct gdbarch *gdbarch, struct bfd *cbfd, gdb::function_view<void (ULONGEST count)> pre_loop_cb, gdb::function_view<void (int num, ULONGEST start, ULONGEST end, ULONGEST file_ofs, const char *filename)> loop_cb);
+extern void set_gdbarch_read_core_file_mappings (struct gdbarch *gdbarch, gdbarch_read_core_file_mappings_ftype *read_core_file_mappings);
+
extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
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 ()
+ {}
+
+ const struct bfd_arch_info *bfd_arch_info = nullptr;
- /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
- enum bfd_endian byte_order;
+ enum bfd_endian byte_order = BFD_ENDIAN_UNKNOWN;
- enum bfd_endian byte_order_for_code;
+ enum bfd_endian byte_order_for_code = BFD_ENDIAN_UNKNOWN;
- /* Use default: NULL (ZERO). */
- bfd *abfd;
+ 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;
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);
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
/* 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. */
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 *);
projects / deliverable / binutils-gdb.git / blobdiff