-/* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
+/* *INDENT-OFF* */ /* THIS FILE IS GENERATED -*- buffer-read-only: t -*- */
+/* vi:set ro: */
/* Dynamic architecture support for GDB, the GNU debugger.
- Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
- 2007, 2008, 2009 Free Software Foundation, Inc.
+ Copyright (C) 1998-2021 Free Software Foundation, Inc.
This file is part of GDB.
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
-/* This file was created with the aid of ``gdbarch.sh''.
-
- The Bourne shell script ``gdbarch.sh'' creates the files
- ``new-gdbarch.c'' and ``new-gdbarch.h and then compares them
- against the existing ``gdbarch.[hc]''. Any differences found
- being reported.
-
- If editing this file, please also run gdbarch.sh and merge any
- changes into that script. Conversely, when making sweeping changes
- to this file, modifying gdbarch.sh and using its output may prove
- easier. */
+/* This file was created with the aid of ``gdbarch.sh''. */
#ifndef GDBARCH_H
#define GDBARCH_H
+#include <vector>
+#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 frame_info;
struct value;
struct objfile;
struct obj_section;
struct obstack;
struct bp_target_info;
struct target_desc;
-struct displaced_step_closure;
-struct core_regset_section;
+struct symbol;
struct syscall;
struct agent_expr;
struct axs_value;
+struct stap_parse_info;
+struct expr_builder;
+struct ravenscar_arch_ops;
+struct mem_range;
+struct syscalls_info;
+struct thread_info;
+struct ui_out;
+struct inferior;
+
+#include "regcache.h"
+
+/* The architecture associated with the inferior through the
+ connection to the target.
+
+ The architecture vector provides some information that is really a
+ property of the inferior, accessed through a particular target:
+ ptrace operations; the layout of certain RSP packets; the solib_ops
+ vector; etc. To differentiate architecture accesses to
+ per-inferior/target properties from
+ per-thread/per-frame/per-objfile properties, accesses to
+ per-inferior/target properties should be made through this
+ gdbarch. */
+
+/* This is a convenience wrapper for 'current_inferior ()->gdbarch'. */
+extern struct gdbarch *target_gdbarch (void);
+
+/* Callback type for the 'iterate_over_objfiles_in_search_order'
+ gdbarch method. */
+
+typedef int (iterate_over_objfiles_in_search_order_cb_ftype)
+ (struct objfile *objfile, void *cb_data);
+
+/* Callback type for regset section iterators. The callback usually
+ invokes the REGSET's supply or collect method, to which it must
+ pass a buffer - for collects this buffer will need to be created using
+ COLLECT_SIZE, for supply the existing buffer being read from should
+ be at least SUPPLY_SIZE. SECT_NAME is a BFD section name, and HUMAN_NAME
+ is used for diagnostic messages. CB_DATA should have been passed
+ unchanged through the iterator. */
+
+typedef void (iterate_over_regset_sections_cb)
+ (const char *sect_name, int supply_size, int collect_size,
+ const struct regset *regset, const char *human_name, void *cb_data);
+
+/* For a function call, does the function return a value using a
+ normal value return or a structure return - passing a hidden
+ argument pointing to storage. For the latter, there are two
+ cases: language-mandated structure return and target ABI
+ structure return. */
+
+enum function_call_return_method
+{
+ /* Standard value return. */
+ return_method_normal = 0,
+
+ /* Language ABI structure return. This is handled
+ by passing the return location as the first parameter to
+ the function, even preceding "this". */
+ return_method_hidden_param,
+
+ /* Target ABI struct return. This is target-specific; for instance,
+ on ia64 the first argument is passed in out0 but the hidden
+ structure return pointer would normally be passed in r8. */
+ return_method_struct,
+};
-/* The architecture associated with the connection to the target.
-
- The architecture vector provides some information that is really
- a property of the target: The layout of certain packets, for instance;
- or the solib_ops vector. Etc. To differentiate architecture accesses
- to per-target properties from per-thread/per-frame/per-objfile properties,
- accesses to per-target properties should be made through target_gdbarch.
+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,
+};
- Eventually, when support for multiple targets is implemented in
- GDB, this global should be made target-specific. */
-extern struct gdbarch *target_gdbarch;
/* The following are pre-initialized by GDBARCH. */
extern const struct bfd_arch_info * gdbarch_bfd_arch_info (struct gdbarch *gdbarch);
/* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */
-extern int gdbarch_byte_order (struct gdbarch *gdbarch);
+extern enum bfd_endian gdbarch_byte_order (struct gdbarch *gdbarch);
/* set_gdbarch_byte_order() - not applicable - pre-initialized. */
-extern int gdbarch_byte_order_for_code (struct gdbarch *gdbarch);
+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);
/* The following are initialized by the target dependent code. */
-/* The bit byte-order has to do just with numbering of bits in debugging symbols
- and such. Conceptually, it's quite separate from byte/word byte order. */
-
-extern int gdbarch_bits_big_endian (struct gdbarch *gdbarch);
-extern void set_gdbarch_bits_big_endian (struct gdbarch *gdbarch, int bits_big_endian);
-
-/* Number of bits in a char or unsigned char for the target machine.
- Just like CHAR_BIT in <limits.h> but describes the target machine.
- v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
-
- Number of bits in a short or unsigned short for the target machine. */
+/* 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);
extern int gdbarch_long_long_bit (struct gdbarch *gdbarch);
extern void set_gdbarch_long_long_bit (struct gdbarch *gdbarch, int long_long_bit);
-/* Alignment of a long long or unsigned long long for the target
- machine. */
-
-extern int gdbarch_long_long_align_bit (struct gdbarch *gdbarch);
-extern void set_gdbarch_long_long_align_bit (struct gdbarch *gdbarch, int long_long_align_bit);
-
-/* The ABI default bit-size and format for "half", "float", "double", and
+/* 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 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
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) (struct regcache *regcache);
-extern CORE_ADDR gdbarch_read_pc (struct gdbarch *gdbarch, struct regcache *regcache);
+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, struct regcache *regcache, int cookednum, gdb_byte *buf);
-extern enum register_status gdbarch_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, gdb_byte *buf);
+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
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, struct regcache *regcache, int cookednum);
-extern struct value * gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum);
+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 architectures can display additional information for specific
+ signals.
+ UIOUT is the output stream where the handler will place information. */
+
+extern bool gdbarch_report_signal_info_p (struct gdbarch *gdbarch);
+
+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
all (-1).
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. */
+/* 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);
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 void set_gdbarch_register_type (struct gdbarch *gdbarch, gdbarch_register_type_ftype *register_type);
-/* See gdbint.texinfo, and PUSH_DUMMY_CALL. */
-
-extern int gdbarch_dummy_id_p (struct gdbarch *gdbarch);
+/* Generate a dummy frame_id for THIS_FRAME assuming that the frame is
+ a dummy frame. A dummy frame is created before an inferior call,
+ the frame_id returned here must match the frame_id that was built
+ for the inferior call. Usually this means the returned frame_id's
+ stack address should match the address returned by
+ gdbarch_push_dummy_call, and the returned frame_id's code address
+ should match the address at which the breakpoint was set in the dummy
+ frame. */
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 int gdbarch_deprecated_fp_regnum (struct gdbarch *gdbarch);
extern void set_gdbarch_deprecated_fp_regnum (struct gdbarch *gdbarch, int deprecated_fp_regnum);
-/* See gdbint.texinfo. See infcall.c. */
-
-extern int gdbarch_push_dummy_call_p (struct gdbarch *gdbarch);
+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, int struct_return, CORE_ADDR struct_addr);
-extern CORE_ADDR gdbarch_push_dummy_call (struct gdbarch *gdbarch, struct value *function, struct regcache *regcache, CORE_ADDR bp_addr, int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr);
+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);
+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 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);
-extern int gdbarch_print_float_info_p (struct gdbarch *gdbarch);
-
typedef void (gdbarch_print_float_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args);
extern void gdbarch_print_float_info (struct gdbarch *gdbarch, struct ui_file *file, struct frame_info *frame, const char *args);
extern void set_gdbarch_print_float_info (struct gdbarch *gdbarch, gdbarch_print_float_info_ftype *print_float_info);
-extern int gdbarch_print_vector_info_p (struct gdbarch *gdbarch);
+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);
extern int gdbarch_cannot_store_register (struct gdbarch *gdbarch, int regnum);
extern void set_gdbarch_cannot_store_register (struct gdbarch *gdbarch, gdbarch_cannot_store_register_ftype *cannot_store_register);
-/* setjmp/longjmp support. */
+/* 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);
+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 set_gdbarch_value_to_register (struct gdbarch *gdbarch, gdbarch_value_to_register_ftype *value_to_register);
/* Construct a value representing the contents of register REGNUM in
- frame FRAME, interpreted as type TYPE. The routine needs to
+ 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 type *type, int regnum, struct frame_info *frame);
-extern struct value * gdbarch_value_from_register (struct gdbarch *gdbarch, struct type *type, int regnum, struct frame_info *frame);
+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 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);
extern void set_gdbarch_integer_to_address (struct gdbarch *gdbarch, gdbarch_integer_to_address_ftype *integer_to_address);
-/* Return the return-value convention that will be used by FUNCTYPE
- to return a value of type VALTYPE. FUNCTYPE may be NULL in which
+/* 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.
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 type *functype, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf);
-extern enum return_value_convention gdbarch_return_value (struct gdbarch *gdbarch, struct type *functype, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf);
+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);
+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);
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 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 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);
extern const gdb_byte * gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr);
extern void set_gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_breakpoint_from_pc_ftype *breakpoint_from_pc);
-/* Return the adjusted address and kind to use for Z0/Z1 packets.
- KIND is usually the memory length of the breakpoint, but may have a
- different target-specific meaning. */
+/* 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);
-typedef void (gdbarch_remote_breakpoint_from_pc_ftype) (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *kindptr);
-extern void gdbarch_remote_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *kindptr);
-extern void set_gdbarch_remote_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_remote_breakpoint_from_pc_ftype *remote_breakpoint_from_pc);
+/* 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. */
-extern int gdbarch_adjust_breakpoint_address_p (struct gdbarch *gdbarch);
+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 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);
-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);
+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 CORE_ADDR gdbarch_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr);
extern void set_gdbarch_addr_bits_remove (struct gdbarch *gdbarch, gdbarch_addr_bits_remove_ftype *addr_bits_remove);
-/* It is not at all clear why gdbarch_smash_text_address is not folded into
- gdbarch_addr_bits_remove. */
+/* 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);
+
+/* 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 CORE_ADDR (gdbarch_smash_text_address_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
-extern CORE_ADDR gdbarch_smash_text_address (struct gdbarch *gdbarch, CORE_ADDR addr);
-extern void set_gdbarch_smash_text_address (struct gdbarch *gdbarch, gdbarch_smash_text_address_ftype *smash_text_address);
+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.
- FIXME/cagney/2001-01-18: This should be replaced with something that inserts
- breakpoints using the breakpoint system instead of blatting memory directly
- (as with rs6000).
-
FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the
target can single step. If not, then implement single step using breakpoints.
- A return value of 1 means that the software_single_step breakpoints
- were inserted; 0 means they were not. */
-
-extern int gdbarch_software_single_step_p (struct gdbarch *gdbarch);
-
-typedef int (gdbarch_software_single_step_ftype) (struct frame_info *frame);
-extern int gdbarch_software_single_step (struct gdbarch *gdbarch, struct frame_info *frame);
+ 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 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);
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);
+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);
/* 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, char *name);
-extern int gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, CORE_ADDR pc, char *name);
+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 funtion's epilogue. in_function_epilogue_p()
+ 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
which don't suffer from that problem could just let this functionality
untouched. */
-typedef int (gdbarch_in_function_epilogue_p_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
-extern int gdbarch_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR addr);
-extern void set_gdbarch_in_function_epilogue_p (struct gdbarch *gdbarch, gdbarch_in_function_epilogue_p_ftype *in_function_epilogue_p);
+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 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 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);
+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);
-extern int gdbarch_address_class_name_to_type_flags_p (struct gdbarch *gdbarch);
+/* 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);
-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);
+/* Return the appropriate type_flags for the supplied address class.
+ This function should return true if the address class was recognized and
+ type_flags was set, false otherwise. */
+
+extern bool gdbarch_address_class_name_to_type_flags_p (struct gdbarch *gdbarch);
+
+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);
extern void set_gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, gdbarch_fetch_pointer_argument_ftype *fetch_pointer_argument);
-/* Return the appropriate register set for a core file section with
- name SECT_NAME and size SECT_SIZE. */
-
-extern int gdbarch_regset_from_core_section_p (struct gdbarch *gdbarch);
-
-typedef const struct regset * (gdbarch_regset_from_core_section_ftype) (struct gdbarch *gdbarch, const char *sect_name, size_t sect_size);
-extern const struct regset * gdbarch_regset_from_core_section (struct gdbarch *gdbarch, const char *sect_name, size_t sect_size);
-extern void set_gdbarch_regset_from_core_section (struct gdbarch *gdbarch, gdbarch_regset_from_core_section_ftype *regset_from_core_section);
+/* 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. */
-/* Supported register notes in a core file. */
+extern bool gdbarch_iterate_over_regset_sections_p (struct gdbarch *gdbarch);
-extern struct core_regset_section * gdbarch_core_regset_sections (struct gdbarch *gdbarch);
-extern void set_gdbarch_core_regset_sections (struct gdbarch *gdbarch, struct core_regset_section * core_regset_sections);
+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);
+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);
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. */
+ 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);
+extern bool gdbarch_core_xfer_shared_libraries_p (struct gdbarch *gdbarch);
-typedef LONGEST (gdbarch_core_xfer_shared_libraries_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, LONGEST len);
-extern LONGEST gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, LONGEST len);
+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 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);
+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);
+extern bool gdbarch_core_pid_to_str_p (struct gdbarch *gdbarch);
-typedef char * (gdbarch_core_pid_to_str_ftype) (struct gdbarch *gdbarch, ptid_t ptid);
-extern char * gdbarch_core_pid_to_str (struct gdbarch *gdbarch, ptid_t ptid);
+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 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);
+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 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);
+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 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);
/* Advance PC to next instruction in order to skip a permanent breakpoint. */
-extern int gdbarch_skip_permanent_breakpoint_p (struct gdbarch *gdbarch);
-
typedef void (gdbarch_skip_permanent_breakpoint_ftype) (struct regcache *regcache);
extern void gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, struct regcache *regcache);
extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, gdbarch_skip_permanent_breakpoint_ftype *skip_permanent_breakpoint);
/* 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.
If you do not provide this function, GDB assumes that the
architecture does not support displaced stepping.
- If your architecture doesn't need to adjust instructions before
- single-stepping them, consider using simple_displaced_step_copy_insn
- here. */
+ If the instruction cannot execute out of line, return NULL. The
+ core falls back to stepping past the instruction in-line instead in
+ that case. */
-extern int gdbarch_displaced_step_copy_insn_p (struct gdbarch *gdbarch);
+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);
-/* Free a closure returned by gdbarch_displaced_step_copy_insn.
+/* Prepare THREAD for it to displaced step the instruction at its current PC.
- If you provide gdbarch_displaced_step_copy_insn, you must provide
- this function as well.
-
- If your architecture uses closures that don't need to be freed, then
- you can use simple_displaced_step_free_closure here.
-
- For a general explanation of displaced stepping and how GDB uses it,
- see the comments in infrun.c. */
+ Throw an exception if any unexpected error happens. */
-typedef void (gdbarch_displaced_step_free_closure_ftype) (struct gdbarch *gdbarch, struct displaced_step_closure *closure);
-extern void gdbarch_displaced_step_free_closure (struct gdbarch *gdbarch, struct displaced_step_closure *closure);
-extern void set_gdbarch_displaced_step_free_closure (struct gdbarch *gdbarch, gdbarch_displaced_step_free_closure_ftype *displaced_step_free_closure);
+extern bool gdbarch_displaced_step_prepare_p (struct gdbarch *gdbarch);
-/* 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 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);
-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);
+/* 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 char * (gdbarch_static_transform_name_ftype) (char *name);
-extern char * gdbarch_static_transform_name (struct gdbarch *gdbarch, char *name);
-extern void set_gdbarch_static_transform_name (struct gdbarch *gdbarch, gdbarch_static_transform_name_ftype *static_transform_name);
-
/* Set if the address in N_SO or N_FUN stabs may be zero. */
extern int gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch);
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 target_signal signal);
-extern int gdbarch_process_record_signal (struct gdbarch *gdbarch, struct regcache *regcache, enum target_signal signal);
+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 (host's) number into
- GDB's representation. */
+/* Signal translation: translate inferior's signal (target's) number
+ into GDB's representation. The implementation of this method must
+ be host independent. IOW, don't rely on symbols of the NAT_FILE
+ header (the nm-*.h files), the host <signal.h> header, or similar
+ headers. This is mainly used when cross-debugging core files ---
+ "Live" targets hide the translation behind the target interface
+ (target_wait, target_resume, etc.). */
+
+extern 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);
+extern void set_gdbarch_gdb_signal_from_target (struct gdbarch *gdbarch, gdbarch_gdb_signal_from_target_ftype *gdb_signal_from_target);
-typedef enum target_signal (gdbarch_target_signal_from_host_ftype) (struct gdbarch *gdbarch, int signo);
-extern enum target_signal gdbarch_target_signal_from_host (struct gdbarch *gdbarch, int signo);
-extern void set_gdbarch_target_signal_from_host (struct gdbarch *gdbarch, gdbarch_target_signal_from_host_ftype *target_signal_from_host);
+/* Signal translation: translate the GDB's internal signal number into
+ the inferior's signal (target's) representation. The implementation
+ of this method must be host independent. IOW, don't rely on symbols
+ of the NAT_FILE header (the nm-*.h files), the host <signal.h>
+ header, or similar headers.
+ Return the target signal number if found, or -1 if the GDB internal
+ signal number is invalid. */
-/* Signal translation: translate GDB's signal number into inferior's host
- signal number. */
+extern bool gdbarch_gdb_signal_to_target_p (struct gdbarch *gdbarch);
-typedef int (gdbarch_target_signal_to_host_ftype) (struct gdbarch *gdbarch, enum target_signal ts);
-extern int gdbarch_target_signal_to_host (struct gdbarch *gdbarch, enum target_signal ts);
-extern void set_gdbarch_target_signal_to_host (struct gdbarch *gdbarch, gdbarch_target_signal_to_host_ftype *target_signal_to_host);
+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);
+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, ptid_t ptid);
-extern LONGEST gdbarch_get_syscall_number (struct gdbarch *gdbarch, ptid_t ptid);
+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 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);
+extern void set_gdbarch_stap_is_single_operand (struct gdbarch *gdbarch, gdbarch_stap_is_single_operand_ftype *stap_is_single_operand);
+
+/* Function used to handle a "special case" in the parser.
+
+ A "special case" is considered to be an unknown token, i.e., a token
+ that the parser does not know how to parse. A good example of special
+ case would be ARM's register displacement syntax:
+
+ [R0, #4] ;; displacing R0 by 4
+
+ Since the parser assumes that a register displacement is of the form:
+
+ <number> <indirection_prefix> <register_name> <indirection_suffix>
+
+ it means that it will not be able to recognize and parse this odd syntax.
+ Therefore, we should add a special case function that will handle this token.
+
+ This function should generate the proper expression form of the expression
+ using GDB's internal expression mechanism (e.g., `write_exp_elt_opcode'
+ and so on). It should also return 1 if the parsing was successful, or zero
+ if the token was not recognized as a special token (in this case, returning
+ zero means that the special parser is deferring the parsing to the generic
+ parser), and should advance the buffer pointer (p->arg). */
+
+extern bool gdbarch_stap_parse_special_token_p (struct gdbarch *gdbarch);
+
+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 bool gdbarch_dtrace_parse_probe_argument_p (struct gdbarch *gdbarch);
+
+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 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);
+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 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);
+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 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);
+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
/* 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, int *isize, char **msg);
-extern int gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, CORE_ADDR addr, int *isize, char **msg);
+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);
/* 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, char *args, enum info_proc_what what);
-extern void gdbarch_info_proc (struct gdbarch *gdbarch, char *args, enum info_proc_what what);
+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);
-/* Definition for an unknown syscall, used basically in error-cases. */
-#define UNKNOWN_SYSCALL (-1)
+/* 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 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 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);
+
+/* 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 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);
+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. */
+
+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
+ 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);
+
+/* 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 ()
+ {}
- /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
- int byte_order;
+ const struct bfd_arch_info *bfd_arch_info = nullptr;
- int 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;
- /* Use default: NULL (ZERO). */
- struct gdbarch_tdep_info *tdep_info;
+ bfd *abfd = nullptr;
- /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
- enum gdb_osabi osabi;
+ union
+ {
+ /* 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;
- /* Use default: NULL (ZERO). */
- const struct target_desc *target_desc;
+ /* SPU file system ID. This is a single integer, so using the
+ generic form would only complicate code. Other targets may
+ reuse this member if suitable. */
+ int *id;
+ };
+
+ enum gdb_osabi osabi = GDB_OSABI_UNKNOWN;
+
+ 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
extern void gdbarch_free (struct gdbarch *);
+/* Get the obstack owned by ARCH. */
+
+extern obstack *gdbarch_obstack (gdbarch *arch);
/* Helper function. Allocate memory from the ``struct gdbarch''
obstack. The memory is freed when the corresponding architecture
is also freed. */
-extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size);
-#define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
-#define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
+#define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) obstack_calloc<TYPE> (gdbarch_obstack ((GDBARCH)), (NR))
+#define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) obstack_zalloc<TYPE> (gdbarch_obstack ((GDBARCH)))
+
+/* Duplicate STRING, returning an equivalent string that's allocated on the
+ obstack associated with GDBARCH. The string is freed when the corresponding
+ architecture is also freed. */
+
+extern char *gdbarch_obstack_strdup (struct gdbarch *arch, const char *string);
/* Helper function. Force an update of the current architecture.
/* 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 *gdbarch_find_by_info (struct gdbarch_info info);
-/* Helper function. Set the global "target_gdbarch" to "gdbarch".
-
- FIXME: kettenis/20031124: Of the functions that follow, only
- gdbarch_from_bfd is supposed to survive. The others will
- dissappear since in the future GDB will (hopefully) be truly
- multi-arch. However, for now we're still stuck with the concept of
- a single active architecture. */
+/* Helper function. Set the target gdbarch to "gdbarch". */
-extern void deprecated_target_gdbarch_select_hack (struct gdbarch *gdbarch);
+extern void set_target_gdbarch (struct gdbarch *gdbarch);
/* Register per-architecture data-pointer.
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 *);
extern void initialize_current_architecture (void);
/* gdbarch trace variable */
-extern int gdbarch_debug;
+extern unsigned int gdbarch_debug;
extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
+/* Return the number of cooked registers (raw + pseudo) for ARCH. */
+
+static inline int
+gdbarch_num_cooked_regs (gdbarch *arch)
+{
+ return gdbarch_num_regs (arch) + gdbarch_num_pseudo_regs (arch);
+}
+
#endif
projects / deliverable / binutils-gdb.git / blobdiff