/* Dynamic architecture support for GDB, the GNU debugger.
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/* Dynamic architecture support for GDB, the GNU debugger.
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Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2007, 2008
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Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2007, 2008
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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This file is part of GDB.
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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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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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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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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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(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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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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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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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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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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef GDBARCH_UTILS_H
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#ifndef GDBARCH_UTILS_H
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#define GDBARCH_UTILS_H
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#define GDBARCH_UTILS_H
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struct gdbarch;
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struct gdbarch;
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struct frame_info;
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struct frame_info;
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struct minimal_symbol;
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struct minimal_symbol;
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struct type;
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struct type;
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struct gdbarch_info;
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struct gdbarch_info;
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/* gdbarch trace variable */
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/* gdbarch trace variable */
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extern int gdbarch_debug;
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extern int gdbarch_debug;
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/* The only possible cases for inner_than. */
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/* The only possible cases for inner_than. */
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extern int core_addr_lessthan (CORE_ADDR lhs, CORE_ADDR rhs);
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extern int core_addr_lessthan (CORE_ADDR lhs, CORE_ADDR rhs);
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extern int core_addr_greaterthan (CORE_ADDR lhs, CORE_ADDR rhs);
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extern int core_addr_greaterthan (CORE_ADDR lhs, CORE_ADDR rhs);
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/* Identity functions on a CORE_ADDR. Just return the "addr". */
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/* Identity functions on a CORE_ADDR. Just return the "addr". */
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extern CORE_ADDR core_addr_identity (CORE_ADDR addr);
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extern CORE_ADDR core_addr_identity (CORE_ADDR addr);
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extern gdbarch_convert_from_func_ptr_addr_ftype convert_from_func_ptr_addr_identity;
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extern gdbarch_convert_from_func_ptr_addr_ftype convert_from_func_ptr_addr_identity;
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/* No-op conversion of reg to regnum. */
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/* No-op conversion of reg to regnum. */
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extern int no_op_reg_to_regnum (struct gdbarch *gdbarch, int reg);
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extern int no_op_reg_to_regnum (struct gdbarch *gdbarch, int reg);
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/* Do nothing version of elf_make_msymbol_special. */
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/* Do nothing version of elf_make_msymbol_special. */
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void default_elf_make_msymbol_special (asymbol *sym, struct minimal_symbol *msym);
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void default_elf_make_msymbol_special (asymbol *sym, struct minimal_symbol *msym);
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/* Do nothing version of coff_make_msymbol_special. */
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/* Do nothing version of coff_make_msymbol_special. */
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void default_coff_make_msymbol_special (int val, struct minimal_symbol *msym);
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void default_coff_make_msymbol_special (int val, struct minimal_symbol *msym);
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/* Version of cannot_fetch_register() / cannot_store_register() that
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/* Version of cannot_fetch_register() / cannot_store_register() that
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always fails. */
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always fails. */
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int cannot_register_not (struct gdbarch *gdbarch, int regnum);
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int cannot_register_not (struct gdbarch *gdbarch, int regnum);
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/* Legacy version of target_virtual_frame_pointer(). Assumes that
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/* Legacy version of target_virtual_frame_pointer(). Assumes that
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there is an gdbarch_deprecated_fp_regnum and that it is the same, cooked or
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there is an gdbarch_deprecated_fp_regnum and that it is the same, cooked or
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raw. */
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raw. */
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extern gdbarch_virtual_frame_pointer_ftype legacy_virtual_frame_pointer;
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extern gdbarch_virtual_frame_pointer_ftype legacy_virtual_frame_pointer;
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extern CORE_ADDR generic_skip_trampoline_code (struct frame_info *frame,
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extern CORE_ADDR generic_skip_trampoline_code (struct frame_info *frame,
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CORE_ADDR pc);
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CORE_ADDR pc);
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extern CORE_ADDR generic_skip_solib_resolver (struct gdbarch *gdbarch,
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extern CORE_ADDR generic_skip_solib_resolver (struct gdbarch *gdbarch,
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CORE_ADDR pc);
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CORE_ADDR pc);
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extern int generic_in_solib_return_trampoline (CORE_ADDR pc, char *name);
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extern int generic_in_solib_return_trampoline (CORE_ADDR pc, char *name);
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extern int generic_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc);
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extern int generic_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc);
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/* By default, registers are not convertible. */
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/* By default, registers are not convertible. */
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extern int generic_convert_register_p (struct gdbarch *gdbarch, int regnum,
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extern int generic_convert_register_p (struct gdbarch *gdbarch, int regnum,
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struct type *type);
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struct type *type);
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extern int default_stabs_argument_has_addr (struct gdbarch *gdbarch,
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extern int default_stabs_argument_has_addr (struct gdbarch *gdbarch,
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struct type *type);
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struct type *type);
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extern int generic_instruction_nullified (struct gdbarch *gdbarch,
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extern int generic_instruction_nullified (struct gdbarch *gdbarch,
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struct regcache *regcache);
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struct regcache *regcache);
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int default_remote_register_number (struct gdbarch *gdbarch,
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int default_remote_register_number (struct gdbarch *gdbarch,
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int regno);
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int regno);
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/* For compatibility with older architectures, returns
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/* For compatibility with older architectures, returns
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(LEGACY_SIM_REGNO_IGNORE) when the register doesn't have a valid
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(LEGACY_SIM_REGNO_IGNORE) when the register doesn't have a valid
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name. */
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name. */
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extern int legacy_register_sim_regno (struct gdbarch *gdbarch, int regnum);
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extern int legacy_register_sim_regno (struct gdbarch *gdbarch, int regnum);
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/* Return the selected byte order, or BFD_ENDIAN_UNKNOWN if no byte
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/* Return the selected byte order, or BFD_ENDIAN_UNKNOWN if no byte
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order was explicitly selected. */
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order was explicitly selected. */
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extern enum bfd_endian selected_byte_order (void);
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extern enum bfd_endian selected_byte_order (void);
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/* Return the selected architecture's name, or NULL if no architecture
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/* Return the selected architecture's name, or NULL if no architecture
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was explicitly selected. */
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was explicitly selected. */
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extern const char *selected_architecture_name (void);
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extern const char *selected_architecture_name (void);
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/* Initialize a ``struct info''. Can't use memset(0) since some
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/* Initialize a ``struct info''. Can't use memset(0) since some
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default values are not zero. "fill" takes all available
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default values are not zero. "fill" takes all available
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information and fills in any unspecified fields. */
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information and fills in any unspecified fields. */
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extern void gdbarch_info_init (struct gdbarch_info *info);
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extern void gdbarch_info_init (struct gdbarch_info *info);
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/* Similar to init, but this time fill in the blanks. Information is
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/* Similar to init, but this time fill in the blanks. Information is
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obtained from the global "set ..." options and explicitly
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obtained from the global "set ..." options and explicitly
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initialized INFO fields. */
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initialized INFO fields. */
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extern void gdbarch_info_fill (struct gdbarch_info *info);
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extern void gdbarch_info_fill (struct gdbarch_info *info);
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/* Return the architecture for ABFD. If no suitable architecture
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/* Return the architecture for ABFD. If no suitable architecture
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could be find, return NULL. */
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could be find, return NULL. */
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extern struct gdbarch *gdbarch_from_bfd (bfd *abfd);
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extern struct gdbarch *gdbarch_from_bfd (bfd *abfd);
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#endif
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#endif
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