mirror of
https://sourceware.org/git/binutils-gdb.git
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e14f6ec969
A recent patch from Andrew pointed out that gdbarch_inner_than returns 'int', while it should really return 'bool'. Approved-By: Pedro Alves <pedro@palves.net>
1754 lines
103 KiB
C++
1754 lines
103 KiB
C++
/* THIS FILE IS GENERATED -*- buffer-read-only: t -*- */
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/* vi:set ro: */
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/* Dynamic architecture support for GDB, the GNU debugger.
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Copyright (C) 1998-2024 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* To regenerate this file, run:
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./gdbarch.py
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*/
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/* The following are pre-initialized by GDBARCH. */
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extern const struct bfd_arch_info * gdbarch_bfd_arch_info (struct gdbarch *gdbarch);
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/* set_gdbarch_bfd_arch_info() - not applicable - pre-initialized. */
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extern enum bfd_endian gdbarch_byte_order (struct gdbarch *gdbarch);
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/* set_gdbarch_byte_order() - not applicable - pre-initialized. */
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extern enum bfd_endian gdbarch_byte_order_for_code (struct gdbarch *gdbarch);
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/* set_gdbarch_byte_order_for_code() - not applicable - pre-initialized. */
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extern enum gdb_osabi gdbarch_osabi (struct gdbarch *gdbarch);
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/* set_gdbarch_osabi() - not applicable - pre-initialized. */
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extern const struct target_desc * gdbarch_target_desc (struct gdbarch *gdbarch);
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/* set_gdbarch_target_desc() - not applicable - pre-initialized. */
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/* The following are initialized by the target dependent code. */
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/* Number of bits in a short or unsigned short for the target machine. */
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extern int gdbarch_short_bit (struct gdbarch *gdbarch);
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extern void set_gdbarch_short_bit (struct gdbarch *gdbarch, int short_bit);
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/* Number of bits in an int or unsigned int for the target machine. */
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extern int gdbarch_int_bit (struct gdbarch *gdbarch);
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extern void set_gdbarch_int_bit (struct gdbarch *gdbarch, int int_bit);
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/* Number of bits in a long or unsigned long for the target machine. */
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extern int gdbarch_long_bit (struct gdbarch *gdbarch);
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extern void set_gdbarch_long_bit (struct gdbarch *gdbarch, int long_bit);
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/* Number of bits in a long long or unsigned long long for the target
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machine. */
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extern int gdbarch_long_long_bit (struct gdbarch *gdbarch);
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extern void set_gdbarch_long_long_bit (struct gdbarch *gdbarch, int long_long_bit);
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/* The ABI default bit-size and format for "bfloat16", "half", "float", "double", and
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"long double". These bit/format pairs should eventually be combined
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into a single object. For the moment, just initialize them as a pair.
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Each format describes both the big and little endian layouts (if
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useful). */
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extern int gdbarch_bfloat16_bit (struct gdbarch *gdbarch);
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extern void set_gdbarch_bfloat16_bit (struct gdbarch *gdbarch, int bfloat16_bit);
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extern const struct floatformat ** gdbarch_bfloat16_format (struct gdbarch *gdbarch);
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extern void set_gdbarch_bfloat16_format (struct gdbarch *gdbarch, const struct floatformat ** bfloat16_format);
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extern int gdbarch_half_bit (struct gdbarch *gdbarch);
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extern void set_gdbarch_half_bit (struct gdbarch *gdbarch, int half_bit);
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extern const struct floatformat ** gdbarch_half_format (struct gdbarch *gdbarch);
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extern void set_gdbarch_half_format (struct gdbarch *gdbarch, const struct floatformat ** half_format);
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extern int gdbarch_float_bit (struct gdbarch *gdbarch);
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extern void set_gdbarch_float_bit (struct gdbarch *gdbarch, int float_bit);
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extern const struct floatformat ** gdbarch_float_format (struct gdbarch *gdbarch);
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extern void set_gdbarch_float_format (struct gdbarch *gdbarch, const struct floatformat ** float_format);
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extern int gdbarch_double_bit (struct gdbarch *gdbarch);
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extern void set_gdbarch_double_bit (struct gdbarch *gdbarch, int double_bit);
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extern const struct floatformat ** gdbarch_double_format (struct gdbarch *gdbarch);
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extern void set_gdbarch_double_format (struct gdbarch *gdbarch, const struct floatformat ** double_format);
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extern int gdbarch_long_double_bit (struct gdbarch *gdbarch);
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extern void set_gdbarch_long_double_bit (struct gdbarch *gdbarch, int long_double_bit);
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extern const struct floatformat ** gdbarch_long_double_format (struct gdbarch *gdbarch);
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extern void set_gdbarch_long_double_format (struct gdbarch *gdbarch, const struct floatformat ** long_double_format);
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/* The ABI default bit-size for "wchar_t". wchar_t is a built-in type
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starting with C++11. */
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extern int gdbarch_wchar_bit (struct gdbarch *gdbarch);
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extern void set_gdbarch_wchar_bit (struct gdbarch *gdbarch, int wchar_bit);
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/* One if `wchar_t' is signed, zero if unsigned. */
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extern int gdbarch_wchar_signed (struct gdbarch *gdbarch);
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extern void set_gdbarch_wchar_signed (struct gdbarch *gdbarch, int wchar_signed);
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/* Returns the floating-point format to be used for values of length LENGTH.
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NAME, if non-NULL, is the type name, which may be used to distinguish
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different target formats of the same length. */
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typedef const struct floatformat ** (gdbarch_floatformat_for_type_ftype) (struct gdbarch *gdbarch, const char *name, int length);
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extern const struct floatformat ** gdbarch_floatformat_for_type (struct gdbarch *gdbarch, const char *name, int length);
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extern void set_gdbarch_floatformat_for_type (struct gdbarch *gdbarch, gdbarch_floatformat_for_type_ftype *floatformat_for_type);
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/* For most targets, a pointer on the target and its representation as an
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address in GDB have the same size and "look the same". For such a
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target, you need only set gdbarch_ptr_bit and gdbarch_addr_bit
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/ addr_bit will be set from it.
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If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably
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also need to set gdbarch_dwarf2_addr_size, gdbarch_pointer_to_address and
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gdbarch_address_to_pointer as well.
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ptr_bit is the size of a pointer on the target */
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extern int gdbarch_ptr_bit (struct gdbarch *gdbarch);
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extern void set_gdbarch_ptr_bit (struct gdbarch *gdbarch, int ptr_bit);
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/* addr_bit is the size of a target address as represented in gdb */
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extern int gdbarch_addr_bit (struct gdbarch *gdbarch);
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extern void set_gdbarch_addr_bit (struct gdbarch *gdbarch, int addr_bit);
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/* dwarf2_addr_size is the target address size as used in the Dwarf debug
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info. For .debug_frame FDEs, this is supposed to be the target address
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size from the associated CU header, and which is equivalent to the
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DWARF2_ADDR_SIZE as defined by the target specific GCC back-end.
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Unfortunately there is no good way to determine this value. Therefore
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dwarf2_addr_size simply defaults to the target pointer size.
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dwarf2_addr_size is not used for .eh_frame FDEs, which are generally
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defined using the target's pointer size so far.
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Note that dwarf2_addr_size only needs to be redefined by a target if the
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GCC back-end defines a DWARF2_ADDR_SIZE other than the target pointer size,
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and if Dwarf versions < 4 need to be supported. */
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extern int gdbarch_dwarf2_addr_size (struct gdbarch *gdbarch);
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extern void set_gdbarch_dwarf2_addr_size (struct gdbarch *gdbarch, int dwarf2_addr_size);
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/* One if `char' acts like `signed char', zero if `unsigned char'. */
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extern int gdbarch_char_signed (struct gdbarch *gdbarch);
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extern void set_gdbarch_char_signed (struct gdbarch *gdbarch, int char_signed);
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extern bool gdbarch_read_pc_p (struct gdbarch *gdbarch);
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typedef CORE_ADDR (gdbarch_read_pc_ftype) (readable_regcache *regcache);
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extern CORE_ADDR gdbarch_read_pc (struct gdbarch *gdbarch, readable_regcache *regcache);
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extern void set_gdbarch_read_pc (struct gdbarch *gdbarch, gdbarch_read_pc_ftype *read_pc);
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extern bool gdbarch_write_pc_p (struct gdbarch *gdbarch);
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typedef void (gdbarch_write_pc_ftype) (struct regcache *regcache, CORE_ADDR val);
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extern void gdbarch_write_pc (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR val);
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extern void set_gdbarch_write_pc (struct gdbarch *gdbarch, gdbarch_write_pc_ftype *write_pc);
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/* Function for getting target's idea of a frame pointer. FIXME: GDB's
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whole scheme for dealing with "frames" and "frame pointers" needs a
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serious shakedown. */
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typedef void (gdbarch_virtual_frame_pointer_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset);
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extern void gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset);
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extern void set_gdbarch_virtual_frame_pointer (struct gdbarch *gdbarch, gdbarch_virtual_frame_pointer_ftype *virtual_frame_pointer);
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extern bool gdbarch_pseudo_register_read_p (struct gdbarch *gdbarch);
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typedef enum register_status (gdbarch_pseudo_register_read_ftype) (struct gdbarch *gdbarch, readable_regcache *regcache, int cookednum, gdb_byte *buf);
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extern enum register_status gdbarch_pseudo_register_read (struct gdbarch *gdbarch, readable_regcache *regcache, int cookednum, gdb_byte *buf);
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extern void set_gdbarch_pseudo_register_read (struct gdbarch *gdbarch, gdbarch_pseudo_register_read_ftype *pseudo_register_read);
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/* Read a register into a new struct value. If the register is wholly
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or partly unavailable, this should call mark_value_bytes_unavailable
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as appropriate. If this is defined, then pseudo_register_read will
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never be called. */
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extern bool gdbarch_pseudo_register_read_value_p (struct gdbarch *gdbarch);
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typedef struct value * (gdbarch_pseudo_register_read_value_ftype) (struct gdbarch *gdbarch, const frame_info_ptr &next_frame, int cookednum);
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extern struct value * gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, const frame_info_ptr &next_frame, int cookednum);
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extern void set_gdbarch_pseudo_register_read_value (struct gdbarch *gdbarch, gdbarch_pseudo_register_read_value_ftype *pseudo_register_read_value);
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/* Write bytes in BUF to pseudo register with number PSEUDO_REG_NUM.
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Raw registers backing the pseudo register should be written to using
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NEXT_FRAME. */
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extern bool gdbarch_pseudo_register_write_p (struct gdbarch *gdbarch);
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typedef void (gdbarch_pseudo_register_write_ftype) (struct gdbarch *gdbarch, const frame_info_ptr &next_frame, int pseudo_reg_num, gdb::array_view<const gdb_byte> buf);
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extern void gdbarch_pseudo_register_write (struct gdbarch *gdbarch, const frame_info_ptr &next_frame, int pseudo_reg_num, gdb::array_view<const gdb_byte> buf);
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extern void set_gdbarch_pseudo_register_write (struct gdbarch *gdbarch, gdbarch_pseudo_register_write_ftype *pseudo_register_write);
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/* Write bytes to a pseudo register.
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This is marked as deprecated because it gets passed a regcache for
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implementations to write raw registers in. This doesn't work for unwound
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frames, where the raw registers backing the pseudo registers may have been
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saved elsewhere.
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Implementations should be migrated to implement pseudo_register_write instead. */
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extern bool gdbarch_deprecated_pseudo_register_write_p (struct gdbarch *gdbarch);
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typedef void (gdbarch_deprecated_pseudo_register_write_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, const gdb_byte *buf);
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extern void gdbarch_deprecated_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache, int cookednum, const gdb_byte *buf);
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extern void set_gdbarch_deprecated_pseudo_register_write (struct gdbarch *gdbarch, gdbarch_deprecated_pseudo_register_write_ftype *deprecated_pseudo_register_write);
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extern int gdbarch_num_regs (struct gdbarch *gdbarch);
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extern void set_gdbarch_num_regs (struct gdbarch *gdbarch, int num_regs);
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/* This macro gives the number of pseudo-registers that live in the
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register namespace but do not get fetched or stored on the target.
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These pseudo-registers may be aliases for other registers,
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combinations of other registers, or they may be computed by GDB. */
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extern int gdbarch_num_pseudo_regs (struct gdbarch *gdbarch);
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extern void set_gdbarch_num_pseudo_regs (struct gdbarch *gdbarch, int num_pseudo_regs);
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/* Assemble agent expression bytecode to collect pseudo-register REG.
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Return -1 if something goes wrong, 0 otherwise. */
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extern bool gdbarch_ax_pseudo_register_collect_p (struct gdbarch *gdbarch);
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typedef int (gdbarch_ax_pseudo_register_collect_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, int reg);
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extern int gdbarch_ax_pseudo_register_collect (struct gdbarch *gdbarch, struct agent_expr *ax, int reg);
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extern void set_gdbarch_ax_pseudo_register_collect (struct gdbarch *gdbarch, gdbarch_ax_pseudo_register_collect_ftype *ax_pseudo_register_collect);
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/* Assemble agent expression bytecode to push the value of pseudo-register
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REG on the interpreter stack.
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Return -1 if something goes wrong, 0 otherwise. */
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extern bool gdbarch_ax_pseudo_register_push_stack_p (struct gdbarch *gdbarch);
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typedef int (gdbarch_ax_pseudo_register_push_stack_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, int reg);
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extern int gdbarch_ax_pseudo_register_push_stack (struct gdbarch *gdbarch, struct agent_expr *ax, int reg);
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extern void set_gdbarch_ax_pseudo_register_push_stack (struct gdbarch *gdbarch, gdbarch_ax_pseudo_register_push_stack_ftype *ax_pseudo_register_push_stack);
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/* Some architectures can display additional information for specific
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signals.
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UIOUT is the output stream where the handler will place information. */
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extern bool gdbarch_report_signal_info_p (struct gdbarch *gdbarch);
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typedef void (gdbarch_report_signal_info_ftype) (struct gdbarch *gdbarch, struct ui_out *uiout, enum gdb_signal siggnal);
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extern void gdbarch_report_signal_info (struct gdbarch *gdbarch, struct ui_out *uiout, enum gdb_signal siggnal);
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extern void set_gdbarch_report_signal_info (struct gdbarch *gdbarch, gdbarch_report_signal_info_ftype *report_signal_info);
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/* GDB's standard (or well known) register numbers. These can map onto
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a real register or a pseudo (computed) register or not be defined at
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all (-1).
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gdbarch_sp_regnum will hopefully be replaced by UNWIND_SP. */
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extern int gdbarch_sp_regnum (struct gdbarch *gdbarch);
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extern void set_gdbarch_sp_regnum (struct gdbarch *gdbarch, int sp_regnum);
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extern int gdbarch_pc_regnum (struct gdbarch *gdbarch);
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extern void set_gdbarch_pc_regnum (struct gdbarch *gdbarch, int pc_regnum);
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extern int gdbarch_ps_regnum (struct gdbarch *gdbarch);
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extern void set_gdbarch_ps_regnum (struct gdbarch *gdbarch, int ps_regnum);
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extern int gdbarch_fp0_regnum (struct gdbarch *gdbarch);
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extern void set_gdbarch_fp0_regnum (struct gdbarch *gdbarch, int fp0_regnum);
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/* Convert stab register number (from `r' declaration) to a gdb REGNUM. */
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typedef int (gdbarch_stab_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int stab_regnr);
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extern int gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, int stab_regnr);
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extern void set_gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_stab_reg_to_regnum_ftype *stab_reg_to_regnum);
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/* Provide a default mapping from a ecoff register number to a gdb REGNUM. */
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typedef int (gdbarch_ecoff_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int ecoff_regnr);
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extern int gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, int ecoff_regnr);
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extern void set_gdbarch_ecoff_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_ecoff_reg_to_regnum_ftype *ecoff_reg_to_regnum);
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/* Convert from an sdb register number to an internal gdb register number. */
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typedef int (gdbarch_sdb_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int sdb_regnr);
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extern int gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, int sdb_regnr);
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extern void set_gdbarch_sdb_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_sdb_reg_to_regnum_ftype *sdb_reg_to_regnum);
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/* Provide a default mapping from a DWARF2 register number to a gdb REGNUM.
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Return -1 for bad REGNUM. Note: Several targets get this wrong. */
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typedef int (gdbarch_dwarf2_reg_to_regnum_ftype) (struct gdbarch *gdbarch, int dwarf2_regnr);
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extern int gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, int dwarf2_regnr);
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extern void set_gdbarch_dwarf2_reg_to_regnum (struct gdbarch *gdbarch, gdbarch_dwarf2_reg_to_regnum_ftype *dwarf2_reg_to_regnum);
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/* Return the name of register REGNR for the specified architecture.
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REGNR can be any value greater than, or equal to zero, and less than
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'gdbarch_num_cooked_regs (GDBARCH)'. If REGNR is not supported for
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GDBARCH, then this function will return an empty string, this function
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should never return nullptr. */
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typedef const char * (gdbarch_register_name_ftype) (struct gdbarch *gdbarch, int regnr);
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extern const char * gdbarch_register_name (struct gdbarch *gdbarch, int regnr);
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extern void set_gdbarch_register_name (struct gdbarch *gdbarch, gdbarch_register_name_ftype *register_name);
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/* Return the type of a register specified by the architecture. Only
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the register cache should call this function directly; others should
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use "register_type". */
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typedef struct type * (gdbarch_register_type_ftype) (struct gdbarch *gdbarch, int reg_nr);
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extern struct type * gdbarch_register_type (struct gdbarch *gdbarch, int reg_nr);
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extern void set_gdbarch_register_type (struct gdbarch *gdbarch, gdbarch_register_type_ftype *register_type);
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/* Generate a dummy frame_id for THIS_FRAME assuming that the frame is
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a dummy frame. A dummy frame is created before an inferior call,
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the frame_id returned here must match the frame_id that was built
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for the inferior call. Usually this means the returned frame_id's
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stack address should match the address returned by
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gdbarch_push_dummy_call, and the returned frame_id's code address
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should match the address at which the breakpoint was set in the dummy
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frame. */
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typedef struct frame_id (gdbarch_dummy_id_ftype) (struct gdbarch *gdbarch, const frame_info_ptr &this_frame);
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extern struct frame_id gdbarch_dummy_id (struct gdbarch *gdbarch, const frame_info_ptr &this_frame);
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extern void set_gdbarch_dummy_id (struct gdbarch *gdbarch, gdbarch_dummy_id_ftype *dummy_id);
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/* Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete
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deprecated_fp_regnum. */
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extern int gdbarch_deprecated_fp_regnum (struct gdbarch *gdbarch);
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extern void set_gdbarch_deprecated_fp_regnum (struct gdbarch *gdbarch, int deprecated_fp_regnum);
|
|
|
|
extern bool gdbarch_push_dummy_call_p (struct gdbarch *gdbarch);
|
|
|
|
typedef CORE_ADDR (gdbarch_push_dummy_call_ftype) (struct gdbarch *gdbarch, struct value *function, struct regcache *regcache, CORE_ADDR bp_addr, int nargs, struct value **args, CORE_ADDR sp, function_call_return_method return_method, CORE_ADDR struct_addr);
|
|
extern CORE_ADDR gdbarch_push_dummy_call (struct gdbarch *gdbarch, struct value *function, struct regcache *regcache, CORE_ADDR bp_addr, int nargs, struct value **args, CORE_ADDR sp, function_call_return_method return_method, CORE_ADDR struct_addr);
|
|
extern void set_gdbarch_push_dummy_call (struct gdbarch *gdbarch, gdbarch_push_dummy_call_ftype *push_dummy_call);
|
|
|
|
extern enum call_dummy_location_type gdbarch_call_dummy_location (struct gdbarch *gdbarch);
|
|
extern void set_gdbarch_call_dummy_location (struct gdbarch *gdbarch, enum call_dummy_location_type call_dummy_location);
|
|
|
|
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, const frame_info_ptr &frame);
|
|
extern int gdbarch_code_of_frame_writable (struct gdbarch *gdbarch, const frame_info_ptr &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, const frame_info_ptr &frame, int regnum, int all);
|
|
extern void gdbarch_print_registers_info (struct gdbarch *gdbarch, struct ui_file *file, const frame_info_ptr &frame, int regnum, int all);
|
|
extern void set_gdbarch_print_registers_info (struct gdbarch *gdbarch, gdbarch_print_registers_info_ftype *print_registers_info);
|
|
|
|
typedef void (gdbarch_print_float_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, const frame_info_ptr &frame, const char *args);
|
|
extern void gdbarch_print_float_info (struct gdbarch *gdbarch, struct ui_file *file, const frame_info_ptr &frame, const char *args);
|
|
extern void set_gdbarch_print_float_info (struct gdbarch *gdbarch, gdbarch_print_float_info_ftype *print_float_info);
|
|
|
|
extern bool gdbarch_print_vector_info_p (struct gdbarch *gdbarch);
|
|
|
|
typedef void (gdbarch_print_vector_info_ftype) (struct gdbarch *gdbarch, struct ui_file *file, const frame_info_ptr &frame, const char *args);
|
|
extern void gdbarch_print_vector_info (struct gdbarch *gdbarch, struct ui_file *file, const frame_info_ptr &frame, const char *args);
|
|
extern void set_gdbarch_print_vector_info (struct gdbarch *gdbarch, gdbarch_print_vector_info_ftype *print_vector_info);
|
|
|
|
/* MAP a GDB RAW register number onto a simulator register number. See
|
|
also include/...-sim.h. */
|
|
|
|
typedef int (gdbarch_register_sim_regno_ftype) (struct gdbarch *gdbarch, int reg_nr);
|
|
extern int gdbarch_register_sim_regno (struct gdbarch *gdbarch, int reg_nr);
|
|
extern void set_gdbarch_register_sim_regno (struct gdbarch *gdbarch, gdbarch_register_sim_regno_ftype *register_sim_regno);
|
|
|
|
typedef int (gdbarch_cannot_fetch_register_ftype) (struct gdbarch *gdbarch, int regnum);
|
|
extern int gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, int regnum);
|
|
extern void set_gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, gdbarch_cannot_fetch_register_ftype *cannot_fetch_register);
|
|
|
|
typedef int (gdbarch_cannot_store_register_ftype) (struct gdbarch *gdbarch, int regnum);
|
|
extern int gdbarch_cannot_store_register (struct gdbarch *gdbarch, int regnum);
|
|
extern void set_gdbarch_cannot_store_register (struct gdbarch *gdbarch, gdbarch_cannot_store_register_ftype *cannot_store_register);
|
|
|
|
/* Determine the address where a longjmp will land and save this address
|
|
in PC. Return nonzero on success.
|
|
|
|
FRAME corresponds to the longjmp frame. */
|
|
|
|
extern bool gdbarch_get_longjmp_target_p (struct gdbarch *gdbarch);
|
|
|
|
typedef int (gdbarch_get_longjmp_target_ftype) (const frame_info_ptr &frame, CORE_ADDR *pc);
|
|
extern int gdbarch_get_longjmp_target (struct gdbarch *gdbarch, const frame_info_ptr &frame, CORE_ADDR *pc);
|
|
extern void set_gdbarch_get_longjmp_target (struct gdbarch *gdbarch, gdbarch_get_longjmp_target_ftype *get_longjmp_target);
|
|
|
|
extern int gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch);
|
|
extern void set_gdbarch_believe_pcc_promotion (struct gdbarch *gdbarch, int believe_pcc_promotion);
|
|
|
|
typedef int (gdbarch_convert_register_p_ftype) (struct gdbarch *gdbarch, int regnum, struct type *type);
|
|
extern int gdbarch_convert_register_p (struct gdbarch *gdbarch, int regnum, struct type *type);
|
|
extern void set_gdbarch_convert_register_p (struct gdbarch *gdbarch, gdbarch_convert_register_p_ftype *convert_register_p);
|
|
|
|
typedef int (gdbarch_register_to_value_ftype) (const frame_info_ptr &frame, int regnum, struct type *type, gdb_byte *buf, int *optimizedp, int *unavailablep);
|
|
extern int gdbarch_register_to_value (struct gdbarch *gdbarch, const frame_info_ptr &frame, int regnum, struct type *type, gdb_byte *buf, int *optimizedp, int *unavailablep);
|
|
extern void set_gdbarch_register_to_value (struct gdbarch *gdbarch, gdbarch_register_to_value_ftype *register_to_value);
|
|
|
|
typedef void (gdbarch_value_to_register_ftype) (const frame_info_ptr &frame, int regnum, struct type *type, const gdb_byte *buf);
|
|
extern void gdbarch_value_to_register (struct gdbarch *gdbarch, const frame_info_ptr &frame, int regnum, struct type *type, const gdb_byte *buf);
|
|
extern void set_gdbarch_value_to_register (struct gdbarch *gdbarch, gdbarch_value_to_register_ftype *value_to_register);
|
|
|
|
/* Construct a value representing the contents of register REGNUM in
|
|
frame THIS_FRAME, interpreted as type TYPE. The routine needs to
|
|
allocate and return a struct value with all value attributes
|
|
(but not the value contents) filled in. */
|
|
|
|
typedef struct value * (gdbarch_value_from_register_ftype) (struct gdbarch *gdbarch, struct type *type, int regnum, const frame_info_ptr &this_frame);
|
|
extern struct value * gdbarch_value_from_register (struct gdbarch *gdbarch, struct type *type, int regnum, const frame_info_ptr &this_frame);
|
|
extern void set_gdbarch_value_from_register (struct gdbarch *gdbarch, gdbarch_value_from_register_ftype *value_from_register);
|
|
|
|
typedef CORE_ADDR (gdbarch_pointer_to_address_ftype) (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf);
|
|
extern CORE_ADDR gdbarch_pointer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf);
|
|
extern void set_gdbarch_pointer_to_address (struct gdbarch *gdbarch, gdbarch_pointer_to_address_ftype *pointer_to_address);
|
|
|
|
typedef void (gdbarch_address_to_pointer_ftype) (struct gdbarch *gdbarch, struct type *type, gdb_byte *buf, CORE_ADDR addr);
|
|
extern void gdbarch_address_to_pointer (struct gdbarch *gdbarch, struct type *type, gdb_byte *buf, CORE_ADDR addr);
|
|
extern void set_gdbarch_address_to_pointer (struct gdbarch *gdbarch, gdbarch_address_to_pointer_ftype *address_to_pointer);
|
|
|
|
extern 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 FUNCTION
|
|
to return a value of type VALTYPE. FUNCTION may be NULL in which
|
|
case the return convention is computed based only on VALTYPE.
|
|
|
|
If READBUF is not NULL, extract the return value and save it in this buffer.
|
|
|
|
If WRITEBUF is not NULL, it contains a return value which will be
|
|
stored into the appropriate register. This can be used when we want
|
|
to force the value returned by a function (see the "return" command
|
|
for instance).
|
|
|
|
NOTE: it is better to implement return_value_as_value instead, as that
|
|
method can properly handle variably-sized types. */
|
|
|
|
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 void set_gdbarch_return_value (struct gdbarch *gdbarch, gdbarch_return_value_ftype *return_value);
|
|
|
|
/* 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 READ_VALUE is not NULL, extract the return value and save it in
|
|
this pointer.
|
|
|
|
If WRITEBUF is not NULL, it contains a return value which will be
|
|
stored into the appropriate register. This can be used when we want
|
|
to force the value returned by a function (see the "return" command
|
|
for instance). */
|
|
|
|
typedef enum return_value_convention (gdbarch_return_value_as_value_ftype) (struct gdbarch *gdbarch, struct value *function, struct type *valtype, struct regcache *regcache, struct value **read_value, const gdb_byte *writebuf);
|
|
extern enum return_value_convention gdbarch_return_value_as_value (struct gdbarch *gdbarch, struct value *function, struct type *valtype, struct regcache *regcache, struct value **read_value, const gdb_byte *writebuf);
|
|
extern void set_gdbarch_return_value_as_value (struct gdbarch *gdbarch, gdbarch_return_value_as_value_ftype *return_value_as_value);
|
|
|
|
/* Return the address at which the value being returned from
|
|
the current function will be stored. This routine is only
|
|
called if the current function uses the the "struct return
|
|
convention".
|
|
|
|
May return 0 when unable to determine that address. */
|
|
|
|
typedef CORE_ADDR (gdbarch_get_return_buf_addr_ftype) (struct type *val_type, const frame_info_ptr &cur_frame);
|
|
extern CORE_ADDR gdbarch_get_return_buf_addr (struct gdbarch *gdbarch, struct type *val_type, const frame_info_ptr &cur_frame);
|
|
extern void set_gdbarch_get_return_buf_addr (struct gdbarch *gdbarch, gdbarch_get_return_buf_addr_ftype *get_return_buf_addr);
|
|
|
|
/* Return true if the typedef record needs to be replaced.".
|
|
|
|
Return 0 by default */
|
|
|
|
typedef bool (gdbarch_dwarf2_omit_typedef_p_ftype) (struct type *target_type, const char *producer, const char *name);
|
|
extern bool gdbarch_dwarf2_omit_typedef_p (struct gdbarch *gdbarch, struct type *target_type, const char *producer, const char *name);
|
|
extern void set_gdbarch_dwarf2_omit_typedef_p (struct gdbarch *gdbarch, gdbarch_dwarf2_omit_typedef_p_ftype *dwarf2_omit_typedef_p);
|
|
|
|
/* Update PC when trying to find a call site. This is useful on
|
|
architectures where the call site PC, as reported in the DWARF, can be
|
|
incorrect for some reason.
|
|
|
|
The passed-in PC will be an address in the inferior. GDB will have
|
|
already failed to find a call site at this PC. This function may
|
|
simply return its parameter if it thinks that should be the correct
|
|
address. */
|
|
|
|
typedef CORE_ADDR (gdbarch_update_call_site_pc_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc);
|
|
extern CORE_ADDR gdbarch_update_call_site_pc (struct gdbarch *gdbarch, CORE_ADDR pc);
|
|
extern void set_gdbarch_update_call_site_pc (struct gdbarch *gdbarch, gdbarch_update_call_site_pc_ftype *update_call_site_pc);
|
|
|
|
/* 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 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 bool (gdbarch_inner_than_ftype) (CORE_ADDR lhs, CORE_ADDR rhs);
|
|
extern bool gdbarch_inner_than (struct gdbarch *gdbarch, CORE_ADDR lhs, CORE_ADDR rhs);
|
|
extern void set_gdbarch_inner_than (struct gdbarch *gdbarch, gdbarch_inner_than_ftype *inner_than);
|
|
|
|
typedef const gdb_byte * (gdbarch_breakpoint_from_pc_ftype) (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr);
|
|
extern const gdb_byte * gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr);
|
|
extern void set_gdbarch_breakpoint_from_pc (struct gdbarch *gdbarch, gdbarch_breakpoint_from_pc_ftype *breakpoint_from_pc);
|
|
|
|
/* Return the breakpoint kind for this target based on *PCPTR. */
|
|
|
|
typedef int (gdbarch_breakpoint_kind_from_pc_ftype) (struct gdbarch *gdbarch, CORE_ADDR *pcptr);
|
|
extern int gdbarch_breakpoint_kind_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr);
|
|
extern void set_gdbarch_breakpoint_kind_from_pc (struct gdbarch *gdbarch, gdbarch_breakpoint_kind_from_pc_ftype *breakpoint_kind_from_pc);
|
|
|
|
/* Return the software breakpoint from KIND. KIND can have target
|
|
specific meaning like the Z0 kind parameter.
|
|
SIZE is set to the software breakpoint's length in memory. */
|
|
|
|
typedef const gdb_byte * (gdbarch_sw_breakpoint_from_kind_ftype) (struct gdbarch *gdbarch, int kind, int *size);
|
|
extern const gdb_byte * gdbarch_sw_breakpoint_from_kind (struct gdbarch *gdbarch, int kind, int *size);
|
|
extern void set_gdbarch_sw_breakpoint_from_kind (struct gdbarch *gdbarch, gdbarch_sw_breakpoint_from_kind_ftype *sw_breakpoint_from_kind);
|
|
|
|
/* Return the breakpoint kind for this target based on the current
|
|
processor state (e.g. the current instruction mode on ARM) and the
|
|
*PCPTR. In default, it is gdbarch->breakpoint_kind_from_pc. */
|
|
|
|
typedef int (gdbarch_breakpoint_kind_from_current_state_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR *pcptr);
|
|
extern int gdbarch_breakpoint_kind_from_current_state (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR *pcptr);
|
|
extern void set_gdbarch_breakpoint_kind_from_current_state (struct gdbarch *gdbarch, gdbarch_breakpoint_kind_from_current_state_ftype *breakpoint_kind_from_current_state);
|
|
|
|
extern 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);
|
|
extern void set_gdbarch_adjust_breakpoint_address (struct gdbarch *gdbarch, gdbarch_adjust_breakpoint_address_ftype *adjust_breakpoint_address);
|
|
|
|
typedef int (gdbarch_memory_insert_breakpoint_ftype) (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt);
|
|
extern int gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt);
|
|
extern void set_gdbarch_memory_insert_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_insert_breakpoint_ftype *memory_insert_breakpoint);
|
|
|
|
typedef int (gdbarch_memory_remove_breakpoint_ftype) (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt);
|
|
extern int gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, struct bp_target_info *bp_tgt);
|
|
extern void set_gdbarch_memory_remove_breakpoint (struct gdbarch *gdbarch, gdbarch_memory_remove_breakpoint_ftype *memory_remove_breakpoint);
|
|
|
|
extern CORE_ADDR gdbarch_decr_pc_after_break (struct gdbarch *gdbarch);
|
|
extern void set_gdbarch_decr_pc_after_break (struct gdbarch *gdbarch, CORE_ADDR decr_pc_after_break);
|
|
|
|
/* A function can be addressed by either its "pointer" (possibly a
|
|
descriptor address) or "entry point" (first executable instruction).
|
|
The method "convert_from_func_ptr_addr" converting the former to the
|
|
latter. gdbarch_deprecated_function_start_offset is being used to implement
|
|
a simplified subset of that functionality - the function's address
|
|
corresponds to the "function pointer" and the function's start
|
|
corresponds to the "function entry point" - and hence is redundant. */
|
|
|
|
extern CORE_ADDR gdbarch_deprecated_function_start_offset (struct gdbarch *gdbarch);
|
|
extern void set_gdbarch_deprecated_function_start_offset (struct gdbarch *gdbarch, CORE_ADDR deprecated_function_start_offset);
|
|
|
|
/* Return the remote protocol register number associated with this
|
|
register. Normally the identity mapping. */
|
|
|
|
typedef int (gdbarch_remote_register_number_ftype) (struct gdbarch *gdbarch, int regno);
|
|
extern int gdbarch_remote_register_number (struct gdbarch *gdbarch, int regno);
|
|
extern void set_gdbarch_remote_register_number (struct gdbarch *gdbarch, gdbarch_remote_register_number_ftype *remote_register_number);
|
|
|
|
/* Fetch the target specific address used to represent a load module. */
|
|
|
|
extern 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);
|
|
|
|
typedef CORE_ADDR (gdbarch_unwind_pc_ftype) (struct gdbarch *gdbarch, const frame_info_ptr &next_frame);
|
|
extern CORE_ADDR gdbarch_unwind_pc (struct gdbarch *gdbarch, const frame_info_ptr &next_frame);
|
|
extern void set_gdbarch_unwind_pc (struct gdbarch *gdbarch, gdbarch_unwind_pc_ftype *unwind_pc);
|
|
|
|
typedef CORE_ADDR (gdbarch_unwind_sp_ftype) (struct gdbarch *gdbarch, const frame_info_ptr &next_frame);
|
|
extern CORE_ADDR gdbarch_unwind_sp (struct gdbarch *gdbarch, const frame_info_ptr &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 bool gdbarch_frame_num_args_p (struct gdbarch *gdbarch);
|
|
|
|
typedef int (gdbarch_frame_num_args_ftype) (const frame_info_ptr &frame);
|
|
extern int gdbarch_frame_num_args (struct gdbarch *gdbarch, const frame_info_ptr &frame);
|
|
extern void set_gdbarch_frame_num_args (struct gdbarch *gdbarch, gdbarch_frame_num_args_ftype *frame_num_args);
|
|
|
|
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 void set_gdbarch_frame_align (struct gdbarch *gdbarch, gdbarch_frame_align_ftype *frame_align);
|
|
|
|
typedef int (gdbarch_stabs_argument_has_addr_ftype) (struct gdbarch *gdbarch, struct type *type);
|
|
extern int gdbarch_stabs_argument_has_addr (struct gdbarch *gdbarch, struct type *type);
|
|
extern void set_gdbarch_stabs_argument_has_addr (struct gdbarch *gdbarch, gdbarch_stabs_argument_has_addr_ftype *stabs_argument_has_addr);
|
|
|
|
extern int gdbarch_frame_red_zone_size (struct gdbarch *gdbarch);
|
|
extern void set_gdbarch_frame_red_zone_size (struct gdbarch *gdbarch, int frame_red_zone_size);
|
|
|
|
typedef CORE_ADDR (gdbarch_convert_from_func_ptr_addr_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, struct target_ops *targ);
|
|
extern CORE_ADDR gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, CORE_ADDR addr, struct target_ops *targ);
|
|
extern void set_gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, gdbarch_convert_from_func_ptr_addr_ftype *convert_from_func_ptr_addr);
|
|
|
|
/* On some machines there are bits in addresses which are not really
|
|
part of the address, but are used by the kernel, the hardware, etc.
|
|
for special purposes. gdbarch_addr_bits_remove takes out any such bits so
|
|
we get a "real" address such as one would find in a symbol table.
|
|
This is used only for addresses of instructions, and even then I'm
|
|
not sure it's used in all contexts. It exists to deal with there
|
|
being a few stray bits in the PC which would mislead us, not as some
|
|
sort of generic thing to handle alignment or segmentation (it's
|
|
possible it should be in TARGET_READ_PC instead). */
|
|
|
|
typedef CORE_ADDR (gdbarch_addr_bits_remove_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
|
|
extern CORE_ADDR gdbarch_addr_bits_remove (struct gdbarch *gdbarch, CORE_ADDR addr);
|
|
extern void set_gdbarch_addr_bits_remove (struct gdbarch *gdbarch, gdbarch_addr_bits_remove_ftype *addr_bits_remove);
|
|
|
|
/* On some architectures, not all bits of a pointer are significant.
|
|
On AArch64, for example, the top bits of a pointer may carry a "tag", which
|
|
can be ignored by the kernel and the hardware. The "tag" can be regarded as
|
|
additional data associated with the pointer, but it is not part of the address.
|
|
|
|
Given a pointer for the architecture, this hook removes all the
|
|
non-significant bits and sign-extends things as needed. It gets used to remove
|
|
non-address bits from data pointers (for example, removing the AArch64 MTE tag
|
|
bits from a pointer) and from code pointers (removing the AArch64 PAC signature
|
|
from a pointer containing the return address). */
|
|
|
|
typedef CORE_ADDR (gdbarch_remove_non_address_bits_ftype) (struct gdbarch *gdbarch, CORE_ADDR pointer);
|
|
extern CORE_ADDR gdbarch_remove_non_address_bits (struct gdbarch *gdbarch, CORE_ADDR pointer);
|
|
extern void set_gdbarch_remove_non_address_bits (struct gdbarch *gdbarch, gdbarch_remove_non_address_bits_ftype *remove_non_address_bits);
|
|
|
|
/* 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, CORE_ADDR address);
|
|
extern bool gdbarch_tagged_address_p (struct gdbarch *gdbarch, CORE_ADDR address);
|
|
extern void set_gdbarch_tagged_address_p (struct gdbarch *gdbarch, gdbarch_tagged_address_p_ftype *tagged_address_p);
|
|
|
|
/* Return true if the tag from ADDRESS matches the memory tag for that
|
|
particular address. Return false otherwise. */
|
|
|
|
typedef bool (gdbarch_memtag_matches_p_ftype) (struct gdbarch *gdbarch, struct value *address);
|
|
extern bool gdbarch_memtag_matches_p (struct gdbarch *gdbarch, struct value *address);
|
|
extern void set_gdbarch_memtag_matches_p (struct gdbarch *gdbarch, gdbarch_memtag_matches_p_ftype *memtag_matches_p);
|
|
|
|
/* Set the tags of type TAG_TYPE, for the memory address range
|
|
[ADDRESS, ADDRESS + LENGTH) to TAGS.
|
|
Return true if successful and false otherwise. */
|
|
|
|
typedef bool (gdbarch_set_memtags_ftype) (struct gdbarch *gdbarch, struct value *address, size_t length, const gdb::byte_vector &tags, memtag_type tag_type);
|
|
extern bool gdbarch_set_memtags (struct gdbarch *gdbarch, struct value *address, size_t length, const gdb::byte_vector &tags, memtag_type tag_type);
|
|
extern void set_gdbarch_set_memtags (struct gdbarch *gdbarch, gdbarch_set_memtags_ftype *set_memtags);
|
|
|
|
/* Return the tag of type TAG_TYPE associated with the memory address ADDRESS,
|
|
assuming ADDRESS is tagged. */
|
|
|
|
typedef struct value * (gdbarch_get_memtag_ftype) (struct gdbarch *gdbarch, struct value *address, memtag_type tag_type);
|
|
extern struct value * gdbarch_get_memtag (struct gdbarch *gdbarch, struct value *address, memtag_type tag_type);
|
|
extern void set_gdbarch_get_memtag (struct gdbarch *gdbarch, gdbarch_get_memtag_ftype *get_memtag);
|
|
|
|
/* memtag_granule_size is the size of the allocation tag granule, for
|
|
architectures that support memory tagging.
|
|
This is 0 for architectures that do not support memory tagging.
|
|
For a non-zero value, this represents the number of bytes of memory per tag. */
|
|
|
|
extern CORE_ADDR gdbarch_memtag_granule_size (struct gdbarch *gdbarch);
|
|
extern void set_gdbarch_memtag_granule_size (struct gdbarch *gdbarch, CORE_ADDR memtag_granule_size);
|
|
|
|
/* FIXME/cagney/2001-01-18: This should be split in two. A target method that
|
|
indicates if the target needs software single step. An ISA method to
|
|
implement it.
|
|
|
|
FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the
|
|
target can single step. If not, then implement single step using breakpoints.
|
|
|
|
Return a vector of addresses on which the software single step
|
|
breakpoints should be inserted. NULL means software single step is
|
|
not used.
|
|
Multiple breakpoints may be inserted for some instructions such as
|
|
conditional branch. However, each implementation must always evaluate
|
|
the condition and only put the breakpoint at the branch destination if
|
|
the condition is true, so that we ensure forward progress when stepping
|
|
past a conditional branch to self. */
|
|
|
|
extern 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 bool gdbarch_single_step_through_delay_p (struct gdbarch *gdbarch);
|
|
|
|
typedef int (gdbarch_single_step_through_delay_ftype) (struct gdbarch *gdbarch, const frame_info_ptr &frame);
|
|
extern int gdbarch_single_step_through_delay (struct gdbarch *gdbarch, const frame_info_ptr &frame);
|
|
extern void set_gdbarch_single_step_through_delay (struct gdbarch *gdbarch, gdbarch_single_step_through_delay_ftype *single_step_through_delay);
|
|
|
|
/* FIXME: cagney/2003-08-28: Need to find a better way of selecting the
|
|
disassembler. Perhaps objdump can handle it? */
|
|
|
|
typedef int (gdbarch_print_insn_ftype) (bfd_vma vma, struct disassemble_info *info);
|
|
extern int gdbarch_print_insn (struct gdbarch *gdbarch, bfd_vma vma, struct disassemble_info *info);
|
|
extern void set_gdbarch_print_insn (struct gdbarch *gdbarch, gdbarch_print_insn_ftype *print_insn);
|
|
|
|
typedef CORE_ADDR (gdbarch_skip_trampoline_code_ftype) (const frame_info_ptr &frame, CORE_ADDR pc);
|
|
extern CORE_ADDR gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, const frame_info_ptr &frame, CORE_ADDR pc);
|
|
extern void set_gdbarch_skip_trampoline_code (struct gdbarch *gdbarch, gdbarch_skip_trampoline_code_ftype *skip_trampoline_code);
|
|
|
|
/* Vtable of solib operations functions. */
|
|
|
|
extern const solib_ops * gdbarch_so_ops (struct gdbarch *gdbarch);
|
|
extern void set_gdbarch_so_ops (struct gdbarch *gdbarch, const solib_ops * so_ops);
|
|
|
|
/* If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER
|
|
evaluates non-zero, this is the address where the debugger will place
|
|
a step-resume breakpoint to get us past the dynamic linker. */
|
|
|
|
typedef CORE_ADDR (gdbarch_skip_solib_resolver_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc);
|
|
extern CORE_ADDR gdbarch_skip_solib_resolver (struct gdbarch *gdbarch, CORE_ADDR pc);
|
|
extern void set_gdbarch_skip_solib_resolver (struct gdbarch *gdbarch, gdbarch_skip_solib_resolver_ftype *skip_solib_resolver);
|
|
|
|
/* Some systems also have trampoline code for returning from shared libs. */
|
|
|
|
typedef int (gdbarch_in_solib_return_trampoline_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc, const char *name);
|
|
extern int gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, CORE_ADDR pc, const char *name);
|
|
extern void set_gdbarch_in_solib_return_trampoline (struct gdbarch *gdbarch, gdbarch_in_solib_return_trampoline_ftype *in_solib_return_trampoline);
|
|
|
|
/* Return true if PC lies inside an indirect branch thunk. */
|
|
|
|
typedef bool (gdbarch_in_indirect_branch_thunk_ftype) (struct gdbarch *gdbarch, CORE_ADDR pc);
|
|
extern bool gdbarch_in_indirect_branch_thunk (struct gdbarch *gdbarch, CORE_ADDR pc);
|
|
extern void set_gdbarch_in_indirect_branch_thunk (struct gdbarch *gdbarch, gdbarch_in_indirect_branch_thunk_ftype *in_indirect_branch_thunk);
|
|
|
|
/* A target might have problems with watchpoints as soon as the stack
|
|
frame of the current function has been destroyed. This mostly happens
|
|
as the first action in a function's epilogue. stack_frame_destroyed_p()
|
|
is defined to return a non-zero value if either the given addr is one
|
|
instruction after the stack destroying instruction up to the trailing
|
|
return instruction or if we can figure out that the stack frame has
|
|
already been invalidated regardless of the value of addr. Targets
|
|
which don't suffer from that problem could just let this functionality
|
|
untouched. */
|
|
|
|
typedef int (gdbarch_stack_frame_destroyed_p_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
|
|
extern int gdbarch_stack_frame_destroyed_p (struct gdbarch *gdbarch, CORE_ADDR addr);
|
|
extern void set_gdbarch_stack_frame_destroyed_p (struct gdbarch *gdbarch, gdbarch_stack_frame_destroyed_p_ftype *stack_frame_destroyed_p);
|
|
|
|
/* Process an ELF symbol in the minimal symbol table in a backend-specific
|
|
way. Normally this hook is supposed to do nothing, however if required,
|
|
then this hook can be used to apply tranformations to symbols that are
|
|
considered special in some way. For example the MIPS backend uses it
|
|
to interpret `st_other' information to mark compressed code symbols so
|
|
that they can be treated in the appropriate manner in the processing of
|
|
the main symbol table and DWARF-2 records. */
|
|
|
|
extern 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 set_gdbarch_elf_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_elf_make_msymbol_special_ftype *elf_make_msymbol_special);
|
|
|
|
typedef void (gdbarch_coff_make_msymbol_special_ftype) (int val, struct minimal_symbol *msym);
|
|
extern void gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, int val, struct minimal_symbol *msym);
|
|
extern void set_gdbarch_coff_make_msymbol_special (struct gdbarch *gdbarch, gdbarch_coff_make_msymbol_special_ftype *coff_make_msymbol_special);
|
|
|
|
/* Process a symbol in the main symbol table in a backend-specific way.
|
|
Normally this hook is supposed to do nothing, however if required,
|
|
then this hook can be used to apply tranformations to symbols that
|
|
are considered special in some way. This is currently used by the
|
|
MIPS backend to make sure compressed code symbols have the ISA bit
|
|
set. This in turn is needed for symbol values seen in GDB to match
|
|
the values used at the runtime by the program itself, for function
|
|
and label references. */
|
|
|
|
typedef void (gdbarch_make_symbol_special_ftype) (struct symbol *sym, struct objfile *objfile);
|
|
extern void gdbarch_make_symbol_special (struct gdbarch *gdbarch, struct symbol *sym, struct objfile *objfile);
|
|
extern void set_gdbarch_make_symbol_special (struct gdbarch *gdbarch, gdbarch_make_symbol_special_ftype *make_symbol_special);
|
|
|
|
/* Adjust the address retrieved from a DWARF-2 record other than a line
|
|
entry in a backend-specific way. Normally this hook is supposed to
|
|
return the address passed unchanged, however if that is incorrect for
|
|
any reason, then this hook can be used to fix the address up in the
|
|
required manner. This is currently used by the MIPS backend to make
|
|
sure addresses in FDE, range records, etc. referring to compressed
|
|
code have the ISA bit set, matching line information and the symbol
|
|
table. */
|
|
|
|
typedef CORE_ADDR (gdbarch_adjust_dwarf2_addr_ftype) (CORE_ADDR pc);
|
|
extern CORE_ADDR gdbarch_adjust_dwarf2_addr (struct gdbarch *gdbarch, CORE_ADDR pc);
|
|
extern void set_gdbarch_adjust_dwarf2_addr (struct gdbarch *gdbarch, gdbarch_adjust_dwarf2_addr_ftype *adjust_dwarf2_addr);
|
|
|
|
/* Adjust the address updated by a line entry in a backend-specific way.
|
|
Normally this hook is supposed to return the address passed unchanged,
|
|
however in the case of inconsistencies in these records, this hook can
|
|
be used to fix them up in the required manner. This is currently used
|
|
by the MIPS backend to make sure all line addresses in compressed code
|
|
are presented with the ISA bit set, which is not always the case. This
|
|
in turn ensures breakpoint addresses are correctly matched against the
|
|
stop PC. */
|
|
|
|
typedef CORE_ADDR (gdbarch_adjust_dwarf2_line_ftype) (CORE_ADDR addr, int rel);
|
|
extern CORE_ADDR gdbarch_adjust_dwarf2_line (struct gdbarch *gdbarch, CORE_ADDR addr, int rel);
|
|
extern void set_gdbarch_adjust_dwarf2_line (struct gdbarch *gdbarch, gdbarch_adjust_dwarf2_line_ftype *adjust_dwarf2_line);
|
|
|
|
extern int gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch);
|
|
extern void set_gdbarch_cannot_step_breakpoint (struct gdbarch *gdbarch, int cannot_step_breakpoint);
|
|
|
|
/* See comment in target.h about continuable, steppable and
|
|
non-steppable watchpoints. */
|
|
|
|
extern int gdbarch_have_nonsteppable_watchpoint (struct gdbarch *gdbarch);
|
|
extern void set_gdbarch_have_nonsteppable_watchpoint (struct gdbarch *gdbarch, int have_nonsteppable_watchpoint);
|
|
|
|
extern bool gdbarch_address_class_type_flags_p (struct gdbarch *gdbarch);
|
|
|
|
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 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, type_instance_flags type_flags);
|
|
extern const char * gdbarch_address_class_type_flags_to_name (struct gdbarch *gdbarch, type_instance_flags type_flags);
|
|
extern void set_gdbarch_address_class_type_flags_to_name (struct gdbarch *gdbarch, gdbarch_address_class_type_flags_to_name_ftype *address_class_type_flags_to_name);
|
|
|
|
/* Execute vendor-specific DWARF Call Frame Instruction. OP is the instruction.
|
|
FS are passed from the generic execute_cfa_program function. */
|
|
|
|
typedef bool (gdbarch_execute_dwarf_cfa_vendor_op_ftype) (struct gdbarch *gdbarch, gdb_byte op, struct dwarf2_frame_state *fs);
|
|
extern bool gdbarch_execute_dwarf_cfa_vendor_op (struct gdbarch *gdbarch, gdb_byte op, struct dwarf2_frame_state *fs);
|
|
extern void set_gdbarch_execute_dwarf_cfa_vendor_op (struct gdbarch *gdbarch, gdbarch_execute_dwarf_cfa_vendor_op_ftype *execute_dwarf_cfa_vendor_op);
|
|
|
|
/* Return the appropriate type_flags for the supplied address class.
|
|
This function should return 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 */
|
|
|
|
typedef int (gdbarch_register_reggroup_p_ftype) (struct gdbarch *gdbarch, int regnum, const struct reggroup *reggroup);
|
|
extern int gdbarch_register_reggroup_p (struct gdbarch *gdbarch, int regnum, const struct reggroup *reggroup);
|
|
extern void set_gdbarch_register_reggroup_p (struct gdbarch *gdbarch, gdbarch_register_reggroup_p_ftype *register_reggroup_p);
|
|
|
|
/* Fetch the pointer to the ith function argument. */
|
|
|
|
extern bool gdbarch_fetch_pointer_argument_p (struct gdbarch *gdbarch);
|
|
|
|
typedef CORE_ADDR (gdbarch_fetch_pointer_argument_ftype) (const frame_info_ptr &frame, int argi, struct type *type);
|
|
extern CORE_ADDR gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, const frame_info_ptr &frame, int argi, struct type *type);
|
|
extern void set_gdbarch_fetch_pointer_argument (struct gdbarch *gdbarch, gdbarch_fetch_pointer_argument_ftype *fetch_pointer_argument);
|
|
|
|
/* Iterate over all supported register notes in a core file. For each
|
|
supported register note section, the iterator must call CB and pass
|
|
CB_DATA unchanged. If REGCACHE is not NULL, the iterator can limit
|
|
the supported register note sections based on the current register
|
|
values. Otherwise it should enumerate all supported register note
|
|
sections. */
|
|
|
|
extern bool gdbarch_iterate_over_regset_sections_p (struct gdbarch *gdbarch);
|
|
|
|
typedef void (gdbarch_iterate_over_regset_sections_ftype) (struct gdbarch *gdbarch, iterate_over_regset_sections_cb *cb, void *cb_data, const struct regcache *regcache);
|
|
extern void gdbarch_iterate_over_regset_sections (struct gdbarch *gdbarch, iterate_over_regset_sections_cb *cb, void *cb_data, const struct regcache *regcache);
|
|
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 bool gdbarch_make_corefile_notes_p (struct gdbarch *gdbarch);
|
|
|
|
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 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);
|
|
|
|
/* Given a bfd OBFD, segment ADDRESS and SIZE, create a memory tag section to be dumped to a core file */
|
|
|
|
extern bool gdbarch_create_memtag_section_p (struct gdbarch *gdbarch);
|
|
|
|
typedef asection * (gdbarch_create_memtag_section_ftype) (struct gdbarch *gdbarch, bfd *obfd, CORE_ADDR address, size_t size);
|
|
extern asection * gdbarch_create_memtag_section (struct gdbarch *gdbarch, bfd *obfd, CORE_ADDR address, size_t size);
|
|
extern void set_gdbarch_create_memtag_section (struct gdbarch *gdbarch, gdbarch_create_memtag_section_ftype *create_memtag_section);
|
|
|
|
/* Given a memory tag section OSEC, fill OSEC's contents with the appropriate tag data */
|
|
|
|
extern bool gdbarch_fill_memtag_section_p (struct gdbarch *gdbarch);
|
|
|
|
typedef bool (gdbarch_fill_memtag_section_ftype) (struct gdbarch *gdbarch, asection *osec);
|
|
extern bool gdbarch_fill_memtag_section (struct gdbarch *gdbarch, asection *osec);
|
|
extern void set_gdbarch_fill_memtag_section (struct gdbarch *gdbarch, gdbarch_fill_memtag_section_ftype *fill_memtag_section);
|
|
|
|
/* Decode a memory tag SECTION and return the tags of type TYPE contained in
|
|
the memory range [ADDRESS, ADDRESS + LENGTH).
|
|
If no tags were found, return an empty vector. */
|
|
|
|
extern bool gdbarch_decode_memtag_section_p (struct gdbarch *gdbarch);
|
|
|
|
typedef gdb::byte_vector (gdbarch_decode_memtag_section_ftype) (struct gdbarch *gdbarch, bfd_section *section, int type, CORE_ADDR address, size_t length);
|
|
extern gdb::byte_vector gdbarch_decode_memtag_section (struct gdbarch *gdbarch, bfd_section *section, int type, CORE_ADDR address, size_t length);
|
|
extern void set_gdbarch_decode_memtag_section (struct gdbarch *gdbarch, gdbarch_decode_memtag_section_ftype *decode_memtag_section);
|
|
|
|
/* Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from
|
|
core file into buffer READBUF with length LEN. Return the number of bytes read
|
|
(zero indicates failure).
|
|
failed, otherwise, return the red length of READBUF. */
|
|
|
|
extern bool gdbarch_core_xfer_shared_libraries_p (struct gdbarch *gdbarch);
|
|
|
|
typedef ULONGEST (gdbarch_core_xfer_shared_libraries_ftype) (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len);
|
|
extern ULONGEST gdbarch_core_xfer_shared_libraries (struct gdbarch *gdbarch, gdb_byte *readbuf, ULONGEST offset, ULONGEST len);
|
|
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 bool gdbarch_core_pid_to_str_p (struct gdbarch *gdbarch);
|
|
|
|
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);
|
|
|
|
/* Read x86 XSAVE layout information from core file into XSAVE_LAYOUT.
|
|
Returns true if the layout was read successfully. */
|
|
|
|
extern bool gdbarch_core_read_x86_xsave_layout_p (struct gdbarch *gdbarch);
|
|
|
|
typedef bool (gdbarch_core_read_x86_xsave_layout_ftype) (struct gdbarch *gdbarch, x86_xsave_layout &xsave_layout);
|
|
extern bool gdbarch_core_read_x86_xsave_layout (struct gdbarch *gdbarch, x86_xsave_layout &xsave_layout);
|
|
extern void set_gdbarch_core_read_x86_xsave_layout (struct gdbarch *gdbarch, gdbarch_core_read_x86_xsave_layout_ftype *core_read_x86_xsave_layout);
|
|
|
|
/* BFD target to use when generating a core file. */
|
|
|
|
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);
|
|
|
|
/* If the elements of C++ vtables are in-place function descriptors rather
|
|
than normal function pointers (which may point to code or a descriptor),
|
|
set this to one. */
|
|
|
|
extern int gdbarch_vtable_function_descriptors (struct gdbarch *gdbarch);
|
|
extern void set_gdbarch_vtable_function_descriptors (struct gdbarch *gdbarch, int vtable_function_descriptors);
|
|
|
|
/* Set if the least significant bit of the delta is used instead of the least
|
|
significant bit of the pfn for pointers to virtual member functions. */
|
|
|
|
extern int gdbarch_vbit_in_delta (struct gdbarch *gdbarch);
|
|
extern void set_gdbarch_vbit_in_delta (struct gdbarch *gdbarch, int vbit_in_delta);
|
|
|
|
/* Advance PC to next instruction in order to skip a permanent breakpoint. */
|
|
|
|
typedef void (gdbarch_skip_permanent_breakpoint_ftype) (struct regcache *regcache);
|
|
extern void gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, struct regcache *regcache);
|
|
extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, gdbarch_skip_permanent_breakpoint_ftype *skip_permanent_breakpoint);
|
|
|
|
/* The maximum length of an instruction on this architecture in bytes. */
|
|
|
|
extern 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);
|
|
|
|
/* Copy the instruction at FROM to TO, and make any adjustments
|
|
necessary to single-step it at that address.
|
|
|
|
REGS holds the state the thread's registers will have before
|
|
executing the copied instruction; the PC in REGS will refer to FROM,
|
|
not the copy at TO. The caller should update it to point at TO later.
|
|
|
|
Return a pointer to data of the architecture's choice to be passed
|
|
to gdbarch_displaced_step_fixup.
|
|
|
|
For a general explanation of displaced stepping and how GDB uses it,
|
|
see the comments in infrun.c.
|
|
|
|
The TO area is only guaranteed to have space for
|
|
gdbarch_displaced_step_buffer_length (arch) octets, so this
|
|
function must not write more octets than that to this area.
|
|
|
|
If you do not provide this function, GDB assumes that the
|
|
architecture does not support displaced stepping.
|
|
|
|
If the instruction cannot execute out of line, return NULL. The
|
|
core falls back to stepping past the instruction in-line instead in
|
|
that case. */
|
|
|
|
extern bool gdbarch_displaced_step_copy_insn_p (struct gdbarch *gdbarch);
|
|
|
|
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 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. */
|
|
|
|
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 after attempting to single-step a displaced
|
|
instruction, to give the result we would have gotten from stepping the
|
|
instruction in its original location.
|
|
|
|
REGS is the register state resulting from single-stepping the
|
|
displaced instruction.
|
|
|
|
CLOSURE is the result from the matching call to
|
|
gdbarch_displaced_step_copy_insn.
|
|
|
|
FROM is the address where the instruction was original located, TO is
|
|
the address of the displaced buffer where the instruction was copied
|
|
to for stepping.
|
|
|
|
COMPLETED_P is true if GDB stopped as a result of the requested step
|
|
having completed (e.g. the inferior stopped with SIGTRAP), otherwise
|
|
COMPLETED_P is false and GDB stopped for some other reason. In the
|
|
case where a single instruction is expanded to multiple replacement
|
|
instructions for stepping then it may be necessary to read the current
|
|
program counter from REGS in order to decide how far through the
|
|
series of replacement instructions the inferior got before stopping,
|
|
this may impact what will need fixing up in this function.
|
|
|
|
For a general explanation of displaced stepping and how GDB uses it,
|
|
see the comments in infrun.c. */
|
|
|
|
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, bool completed_p);
|
|
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, bool completed_p);
|
|
extern void set_gdbarch_displaced_step_fixup (struct gdbarch *gdbarch, gdbarch_displaced_step_fixup_ftype *displaced_step_fixup);
|
|
|
|
/* Prepare THREAD for it to displaced step the instruction at its current PC.
|
|
|
|
Throw an exception if any unexpected error happens. */
|
|
|
|
extern bool gdbarch_displaced_step_prepare_p (struct gdbarch *gdbarch);
|
|
|
|
typedef displaced_step_prepare_status (gdbarch_displaced_step_prepare_ftype) (struct gdbarch *gdbarch, thread_info *thread, CORE_ADDR &displaced_pc);
|
|
extern displaced_step_prepare_status gdbarch_displaced_step_prepare (struct gdbarch *gdbarch, thread_info *thread, CORE_ADDR &displaced_pc);
|
|
extern void set_gdbarch_displaced_step_prepare (struct gdbarch *gdbarch, gdbarch_displaced_step_prepare_ftype *displaced_step_prepare);
|
|
|
|
/* Clean up after a displaced step of THREAD.
|
|
|
|
It is possible for the displaced-stepped instruction to have caused
|
|
the thread to exit. The implementation can detect this case by
|
|
checking if WS.kind is TARGET_WAITKIND_THREAD_EXITED. */
|
|
|
|
typedef displaced_step_finish_status (gdbarch_displaced_step_finish_ftype) (struct gdbarch *gdbarch, thread_info *thread, const target_waitstatus &ws);
|
|
extern displaced_step_finish_status gdbarch_displaced_step_finish (struct gdbarch *gdbarch, thread_info *thread, const target_waitstatus &ws);
|
|
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);
|
|
|
|
/* The maximum length in octets required for a displaced-step instruction
|
|
buffer. By default this will be the same as gdbarch::max_insn_length,
|
|
but should be overridden for architectures that might expand a
|
|
displaced-step instruction to multiple replacement instructions. */
|
|
|
|
extern ULONGEST gdbarch_displaced_step_buffer_length (struct gdbarch *gdbarch);
|
|
extern void set_gdbarch_displaced_step_buffer_length (struct gdbarch *gdbarch, ULONGEST displaced_step_buffer_length);
|
|
|
|
/* Relocate an instruction to execute at a different address. OLDLOC
|
|
is the address in the inferior memory where the instruction to
|
|
relocate is currently at. On input, TO points to the destination
|
|
where we want the instruction to be copied (and possibly adjusted)
|
|
to. On output, it points to one past the end of the resulting
|
|
instruction(s). The effect of executing the instruction at TO shall
|
|
be the same as if executing it at FROM. For example, call
|
|
instructions that implicitly push the return address on the stack
|
|
should be adjusted to return to the instruction after OLDLOC;
|
|
relative branches, and other PC-relative instructions need the
|
|
offset adjusted; etc. */
|
|
|
|
extern 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);
|
|
extern void set_gdbarch_relocate_instruction (struct gdbarch *gdbarch, gdbarch_relocate_instruction_ftype *relocate_instruction);
|
|
|
|
/* Refresh overlay mapped state for section OSECT. */
|
|
|
|
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 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);
|
|
|
|
/* Set if the address in N_SO or N_FUN stabs may be zero. */
|
|
|
|
extern int gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch);
|
|
extern void set_gdbarch_sofun_address_maybe_missing (struct gdbarch *gdbarch, int sofun_address_maybe_missing);
|
|
|
|
/* Parse the instruction at ADDR storing in the record execution log
|
|
the registers REGCACHE and memory ranges that will be affected when
|
|
the instruction executes, along with their current values.
|
|
Return -1 if something goes wrong, 0 otherwise. */
|
|
|
|
extern 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);
|
|
extern void set_gdbarch_process_record (struct gdbarch *gdbarch, gdbarch_process_record_ftype *process_record);
|
|
|
|
/* Save process state after a signal.
|
|
Return -1 if something goes wrong, 0 otherwise. */
|
|
|
|
extern bool gdbarch_process_record_signal_p (struct gdbarch *gdbarch);
|
|
|
|
typedef int (gdbarch_process_record_signal_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, enum gdb_signal signal);
|
|
extern int gdbarch_process_record_signal (struct gdbarch *gdbarch, struct regcache *regcache, enum gdb_signal signal);
|
|
extern void set_gdbarch_process_record_signal (struct gdbarch *gdbarch, gdbarch_process_record_signal_ftype *process_record_signal);
|
|
|
|
/* Signal translation: translate inferior's signal (target's) number
|
|
into GDB's representation. The implementation of this method must
|
|
be host independent. IOW, don't rely on symbols of the NAT_FILE
|
|
header (the nm-*.h files), the host <signal.h> header, or similar
|
|
headers. This is mainly used when cross-debugging core files ---
|
|
"Live" targets hide the translation behind the target interface
|
|
(target_wait, target_resume, etc.). */
|
|
|
|
extern 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);
|
|
|
|
/* Signal translation: translate the GDB's internal signal number into
|
|
the inferior's signal (target's) representation. The implementation
|
|
of this method must be host independent. IOW, don't rely on symbols
|
|
of the NAT_FILE header (the nm-*.h files), the host <signal.h>
|
|
header, or similar headers.
|
|
Return the target signal number if found, or -1 if the GDB internal
|
|
signal number is invalid. */
|
|
|
|
extern bool gdbarch_gdb_signal_to_target_p (struct gdbarch *gdbarch);
|
|
|
|
typedef int (gdbarch_gdb_signal_to_target_ftype) (struct gdbarch *gdbarch, enum gdb_signal signal);
|
|
extern int gdbarch_gdb_signal_to_target (struct gdbarch *gdbarch, enum gdb_signal signal);
|
|
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 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);
|
|
extern void set_gdbarch_get_siginfo_type (struct gdbarch *gdbarch, gdbarch_get_siginfo_type_ftype *get_siginfo_type);
|
|
|
|
/* Record architecture-specific information from the symbol table. */
|
|
|
|
extern 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);
|
|
extern void set_gdbarch_record_special_symbol (struct gdbarch *gdbarch, gdbarch_record_special_symbol_ftype *record_special_symbol);
|
|
|
|
/* Function for the 'catch syscall' feature.
|
|
Get architecture-specific system calls information from registers. */
|
|
|
|
extern bool gdbarch_get_syscall_number_p (struct gdbarch *gdbarch);
|
|
|
|
typedef LONGEST (gdbarch_get_syscall_number_ftype) (struct gdbarch *gdbarch, thread_info *thread);
|
|
extern LONGEST gdbarch_get_syscall_number (struct gdbarch *gdbarch, thread_info *thread);
|
|
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
|
|
an address space, will see the same set of symbols at the same
|
|
addresses. */
|
|
|
|
extern int gdbarch_has_global_solist (struct gdbarch *gdbarch);
|
|
extern void set_gdbarch_has_global_solist (struct gdbarch *gdbarch, int has_global_solist);
|
|
|
|
/* On some targets, even though each inferior has its own private
|
|
address space, the debug interface takes care of making breakpoints
|
|
visible to all address spaces automatically. For such cases,
|
|
this property should be set to true. */
|
|
|
|
extern int gdbarch_has_global_breakpoints (struct gdbarch *gdbarch);
|
|
extern void set_gdbarch_has_global_breakpoints (struct gdbarch *gdbarch, int has_global_breakpoints);
|
|
|
|
/* True if inferiors share an address space (e.g., uClinux). */
|
|
|
|
typedef int (gdbarch_has_shared_address_space_ftype) (struct gdbarch *gdbarch);
|
|
extern int gdbarch_has_shared_address_space (struct gdbarch *gdbarch);
|
|
extern void set_gdbarch_has_shared_address_space (struct gdbarch *gdbarch, gdbarch_has_shared_address_space_ftype *has_shared_address_space);
|
|
|
|
/* True if a fast tracepoint can be set at an address. */
|
|
|
|
typedef int (gdbarch_fast_tracepoint_valid_at_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr, std::string *msg);
|
|
extern int gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, CORE_ADDR addr, std::string *msg);
|
|
extern void set_gdbarch_fast_tracepoint_valid_at (struct gdbarch *gdbarch, gdbarch_fast_tracepoint_valid_at_ftype *fast_tracepoint_valid_at);
|
|
|
|
/* Guess register state based on tracepoint location. Used for tracepoints
|
|
where no registers have been collected, but there's only one location,
|
|
allowing us to guess the PC value, and perhaps some other registers.
|
|
On entry, regcache has all registers marked as unavailable. */
|
|
|
|
typedef void (gdbarch_guess_tracepoint_registers_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr);
|
|
extern void gdbarch_guess_tracepoint_registers (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR addr);
|
|
extern void set_gdbarch_guess_tracepoint_registers (struct gdbarch *gdbarch, gdbarch_guess_tracepoint_registers_ftype *guess_tracepoint_registers);
|
|
|
|
/* Return the "auto" target charset. */
|
|
|
|
typedef const char * (gdbarch_auto_charset_ftype) ();
|
|
extern const char * gdbarch_auto_charset (struct gdbarch *gdbarch);
|
|
extern void set_gdbarch_auto_charset (struct gdbarch *gdbarch, gdbarch_auto_charset_ftype *auto_charset);
|
|
|
|
/* Return the "auto" target wide charset. */
|
|
|
|
typedef const char * (gdbarch_auto_wide_charset_ftype) ();
|
|
extern const char * gdbarch_auto_wide_charset (struct gdbarch *gdbarch);
|
|
extern void set_gdbarch_auto_wide_charset (struct gdbarch *gdbarch, gdbarch_auto_wide_charset_ftype *auto_wide_charset);
|
|
|
|
/* If non-empty, this is a file extension that will be opened in place
|
|
of the file extension reported by the shared library list.
|
|
|
|
This is most useful for toolchains that use a post-linker tool,
|
|
where the names of the files run on the target differ in extension
|
|
compared to the names of the files GDB should load for debug info. */
|
|
|
|
extern const char * gdbarch_solib_symbols_extension (struct gdbarch *gdbarch);
|
|
extern void set_gdbarch_solib_symbols_extension (struct gdbarch *gdbarch, const char * solib_symbols_extension);
|
|
|
|
/* If true, the target OS has DOS-based file system semantics. That
|
|
is, absolute paths include a drive name, and the backslash is
|
|
considered a directory separator. */
|
|
|
|
extern int gdbarch_has_dos_based_file_system (struct gdbarch *gdbarch);
|
|
extern void set_gdbarch_has_dos_based_file_system (struct gdbarch *gdbarch, int has_dos_based_file_system);
|
|
|
|
/* Generate bytecodes to collect the return address in a frame.
|
|
Since the bytecodes run on the target, possibly with GDB not even
|
|
connected, the full unwinding machinery is not available, and
|
|
typically this function will issue bytecodes for one or more likely
|
|
places that the return address may be found. */
|
|
|
|
typedef void (gdbarch_gen_return_address_ftype) (struct gdbarch *gdbarch, struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope);
|
|
extern void gdbarch_gen_return_address (struct gdbarch *gdbarch, struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope);
|
|
extern void set_gdbarch_gen_return_address (struct gdbarch *gdbarch, gdbarch_gen_return_address_ftype *gen_return_address);
|
|
|
|
/* Implement the "info proc" command. */
|
|
|
|
extern bool gdbarch_info_proc_p (struct gdbarch *gdbarch);
|
|
|
|
typedef void (gdbarch_info_proc_ftype) (struct gdbarch *gdbarch, const char *args, enum info_proc_what what);
|
|
extern void gdbarch_info_proc (struct gdbarch *gdbarch, const char *args, enum info_proc_what what);
|
|
extern void set_gdbarch_info_proc (struct gdbarch *gdbarch, gdbarch_info_proc_ftype *info_proc);
|
|
|
|
/* Implement the "info proc" command for core files. Noe that there
|
|
are two "info_proc"-like methods on gdbarch -- one for core files,
|
|
one for live targets. */
|
|
|
|
extern 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 passed an objfile to be searched. The iteration stops
|
|
if this function returns nonzero.
|
|
|
|
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, struct objfile *current_objfile);
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extern void gdbarch_iterate_over_objfiles_in_search_order (struct gdbarch *gdbarch, iterate_over_objfiles_in_search_order_cb_ftype cb, struct objfile *current_objfile);
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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);
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/* Ravenscar arch-dependent ops. */
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extern struct ravenscar_arch_ops * gdbarch_ravenscar_ops (struct gdbarch *gdbarch);
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extern void set_gdbarch_ravenscar_ops (struct gdbarch *gdbarch, struct ravenscar_arch_ops * ravenscar_ops);
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/* Return non-zero if the instruction at ADDR is a call; zero otherwise. */
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typedef int (gdbarch_insn_is_call_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
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extern int gdbarch_insn_is_call (struct gdbarch *gdbarch, CORE_ADDR addr);
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extern void set_gdbarch_insn_is_call (struct gdbarch *gdbarch, gdbarch_insn_is_call_ftype *insn_is_call);
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/* Return non-zero if the instruction at ADDR is a return; zero otherwise. */
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typedef int (gdbarch_insn_is_ret_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
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extern int gdbarch_insn_is_ret (struct gdbarch *gdbarch, CORE_ADDR addr);
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extern void set_gdbarch_insn_is_ret (struct gdbarch *gdbarch, gdbarch_insn_is_ret_ftype *insn_is_ret);
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/* Return non-zero if the instruction at ADDR is a jump; zero otherwise. */
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typedef int (gdbarch_insn_is_jump_ftype) (struct gdbarch *gdbarch, CORE_ADDR addr);
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extern int gdbarch_insn_is_jump (struct gdbarch *gdbarch, CORE_ADDR addr);
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extern void set_gdbarch_insn_is_jump (struct gdbarch *gdbarch, gdbarch_insn_is_jump_ftype *insn_is_jump);
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/* Return true if there's a program/permanent breakpoint planted in
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memory at ADDRESS, return false otherwise. */
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typedef bool (gdbarch_program_breakpoint_here_p_ftype) (struct gdbarch *gdbarch, CORE_ADDR address);
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extern bool gdbarch_program_breakpoint_here_p (struct gdbarch *gdbarch, CORE_ADDR address);
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extern void set_gdbarch_program_breakpoint_here_p (struct gdbarch *gdbarch, gdbarch_program_breakpoint_here_p_ftype *program_breakpoint_here_p);
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/* Read one auxv entry from *READPTR, not reading locations >= ENDPTR.
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Return 0 if *READPTR is already at the end of the buffer.
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Return -1 if there is insufficient buffer for a whole entry.
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Return 1 if an entry was read into *TYPEP and *VALP. */
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extern bool gdbarch_auxv_parse_p (struct gdbarch *gdbarch);
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typedef int (gdbarch_auxv_parse_ftype) (struct gdbarch *gdbarch, const gdb_byte **readptr, const gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp);
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extern int gdbarch_auxv_parse (struct gdbarch *gdbarch, const gdb_byte **readptr, const gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp);
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extern void set_gdbarch_auxv_parse (struct gdbarch *gdbarch, gdbarch_auxv_parse_ftype *auxv_parse);
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/* Print the description of a single auxv entry described by TYPE and VAL
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to FILE. */
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typedef void (gdbarch_print_auxv_entry_ftype) (struct gdbarch *gdbarch, struct ui_file *file, CORE_ADDR type, CORE_ADDR val);
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extern void gdbarch_print_auxv_entry (struct gdbarch *gdbarch, struct ui_file *file, CORE_ADDR type, CORE_ADDR val);
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extern void set_gdbarch_print_auxv_entry (struct gdbarch *gdbarch, gdbarch_print_auxv_entry_ftype *print_auxv_entry);
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/* Find the address range of the current inferior's vsyscall/vDSO, and
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write it to *RANGE. If the vsyscall's length can't be determined, a
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range with zero length is returned. Returns true if the vsyscall is
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found, false otherwise. */
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typedef int (gdbarch_vsyscall_range_ftype) (struct gdbarch *gdbarch, struct mem_range *range);
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extern int gdbarch_vsyscall_range (struct gdbarch *gdbarch, struct mem_range *range);
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extern void set_gdbarch_vsyscall_range (struct gdbarch *gdbarch, gdbarch_vsyscall_range_ftype *vsyscall_range);
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/* Allocate SIZE bytes of PROT protected page aligned memory in inferior.
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PROT has GDB_MMAP_PROT_* bitmask format.
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Throw an error if it is not possible. Returned address is always valid. */
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typedef CORE_ADDR (gdbarch_infcall_mmap_ftype) (CORE_ADDR size, unsigned prot);
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extern CORE_ADDR gdbarch_infcall_mmap (struct gdbarch *gdbarch, CORE_ADDR size, unsigned prot);
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extern void set_gdbarch_infcall_mmap (struct gdbarch *gdbarch, gdbarch_infcall_mmap_ftype *infcall_mmap);
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/* Deallocate SIZE bytes of memory at ADDR in inferior from gdbarch_infcall_mmap.
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Print a warning if it is not possible. */
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typedef void (gdbarch_infcall_munmap_ftype) (CORE_ADDR addr, CORE_ADDR size);
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extern void gdbarch_infcall_munmap (struct gdbarch *gdbarch, CORE_ADDR addr, CORE_ADDR size);
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extern void set_gdbarch_infcall_munmap (struct gdbarch *gdbarch, gdbarch_infcall_munmap_ftype *infcall_munmap);
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/* Return string (caller has to use xfree for it) with options for GCC
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to produce code for this target, typically "-m64", "-m32" or "-m31".
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These options are put before CU's DW_AT_producer compilation options so that
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they can override it. */
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typedef std::string (gdbarch_gcc_target_options_ftype) (struct gdbarch *gdbarch);
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extern std::string gdbarch_gcc_target_options (struct gdbarch *gdbarch);
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extern void set_gdbarch_gcc_target_options (struct gdbarch *gdbarch, gdbarch_gcc_target_options_ftype *gcc_target_options);
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/* Return a regular expression that matches names used by this
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architecture in GNU configury triplets. The result is statically
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allocated and must not be freed. The default implementation simply
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returns the BFD architecture name, which is correct in nearly every
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case. */
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typedef const char * (gdbarch_gnu_triplet_regexp_ftype) (struct gdbarch *gdbarch);
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extern const char * gdbarch_gnu_triplet_regexp (struct gdbarch *gdbarch);
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extern void set_gdbarch_gnu_triplet_regexp (struct gdbarch *gdbarch, gdbarch_gnu_triplet_regexp_ftype *gnu_triplet_regexp);
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/* Return the size in 8-bit bytes of an addressable memory unit on this
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architecture. This corresponds to the number of 8-bit bytes associated to
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each address in memory. */
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typedef int (gdbarch_addressable_memory_unit_size_ftype) (struct gdbarch *gdbarch);
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extern int gdbarch_addressable_memory_unit_size (struct gdbarch *gdbarch);
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extern void set_gdbarch_addressable_memory_unit_size (struct gdbarch *gdbarch, gdbarch_addressable_memory_unit_size_ftype *addressable_memory_unit_size);
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/* Functions for allowing a target to modify its disassembler options. */
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extern const char * gdbarch_disassembler_options_implicit (struct gdbarch *gdbarch);
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extern void set_gdbarch_disassembler_options_implicit (struct gdbarch *gdbarch, const char * disassembler_options_implicit);
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extern std::string * gdbarch_disassembler_options (struct gdbarch *gdbarch);
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extern void set_gdbarch_disassembler_options (struct gdbarch *gdbarch, std::string * disassembler_options);
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extern const disasm_options_and_args_t * gdbarch_valid_disassembler_options (struct gdbarch *gdbarch);
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extern void set_gdbarch_valid_disassembler_options (struct gdbarch *gdbarch, const disasm_options_and_args_t * valid_disassembler_options);
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/* Type alignment override method. Return the architecture specific
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alignment required for TYPE. If there is no special handling
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required for TYPE then return the value 0, GDB will then apply the
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default rules as laid out in gdbtypes.c:type_align. */
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typedef ULONGEST (gdbarch_type_align_ftype) (struct gdbarch *gdbarch, struct type *type);
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extern ULONGEST gdbarch_type_align (struct gdbarch *gdbarch, struct type *type);
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extern void set_gdbarch_type_align (struct gdbarch *gdbarch, gdbarch_type_align_ftype *type_align);
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/* Return a string containing any flags for the given PC in the given FRAME. */
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typedef std::string (gdbarch_get_pc_address_flags_ftype) (const frame_info_ptr &frame, CORE_ADDR pc);
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extern std::string gdbarch_get_pc_address_flags (struct gdbarch *gdbarch, const frame_info_ptr &frame, CORE_ADDR pc);
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extern void set_gdbarch_get_pc_address_flags (struct gdbarch *gdbarch, gdbarch_get_pc_address_flags_ftype *get_pc_address_flags);
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/* Read core file mappings */
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typedef void (gdbarch_read_core_file_mappings_ftype) (struct gdbarch *gdbarch, struct bfd *cbfd, read_core_file_mappings_pre_loop_ftype pre_loop_cb, read_core_file_mappings_loop_ftype loop_cb);
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extern void gdbarch_read_core_file_mappings (struct gdbarch *gdbarch, struct bfd *cbfd, read_core_file_mappings_pre_loop_ftype pre_loop_cb, read_core_file_mappings_loop_ftype loop_cb);
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extern void set_gdbarch_read_core_file_mappings (struct gdbarch *gdbarch, gdbarch_read_core_file_mappings_ftype *read_core_file_mappings);
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/* Return true if the target description for all threads should be read from the
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target description core file note(s). Return false if the target description
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for all threads should be inferred from the core file contents/sections.
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The corefile's bfd is passed through COREFILE_BFD. */
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typedef bool (gdbarch_use_target_description_from_corefile_notes_ftype) (struct gdbarch *gdbarch, struct bfd *corefile_bfd);
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extern bool gdbarch_use_target_description_from_corefile_notes (struct gdbarch *gdbarch, struct bfd *corefile_bfd);
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extern void set_gdbarch_use_target_description_from_corefile_notes (struct gdbarch *gdbarch, gdbarch_use_target_description_from_corefile_notes_ftype *use_target_description_from_corefile_notes);
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