| /* Dynamic architecture support for GDB, the GNU debugger. |
| |
| Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2007 |
| Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. */ |
| |
| #ifndef GDBARCH_UTILS_H |
| #define GDBARCH_UTILS_H |
| |
| struct gdbarch; |
| struct frame_info; |
| struct minimal_symbol; |
| struct type; |
| struct gdbarch_info; |
| |
| /* gdbarch trace variable */ |
| extern int gdbarch_debug; |
| |
| /* An implementation of return_value that props up architectures still |
| using USE_STRUCT_RETURN, gdbarch_extract_return_value and |
| store_return_value. See also the hacks in "stack.c". */ |
| enum return_value_convention legacy_return_value (struct gdbarch *gdbarch, |
| struct type *valtype, |
| struct regcache *regcache, |
| gdb_byte *readbuf, |
| const gdb_byte *writebuf); |
| |
| /* To return any structure or union type by value, store it at the |
| address passed as an invisible first argument to the function. */ |
| extern gdbarch_deprecated_use_struct_convention_ftype always_use_struct_convention; |
| |
| /* The only possible cases for inner_than. */ |
| extern int core_addr_lessthan (CORE_ADDR lhs, CORE_ADDR rhs); |
| extern int core_addr_greaterthan (CORE_ADDR lhs, CORE_ADDR rhs); |
| |
| /* Identity functions on a CORE_ADDR. Just return the "addr". */ |
| |
| extern CORE_ADDR core_addr_identity (CORE_ADDR addr); |
| extern gdbarch_convert_from_func_ptr_addr_ftype convert_from_func_ptr_addr_identity; |
| |
| /* No-op conversion of reg to regnum. */ |
| |
| extern int no_op_reg_to_regnum (int reg); |
| |
| /* Do nothing version of elf_make_msymbol_special. */ |
| |
| void default_elf_make_msymbol_special (asymbol *sym, struct minimal_symbol *msym); |
| |
| /* Do nothing version of coff_make_msymbol_special. */ |
| |
| void default_coff_make_msymbol_special (int val, struct minimal_symbol *msym); |
| |
| /* Version of cannot_fetch_register() / cannot_store_register() that |
| always fails. */ |
| |
| int cannot_register_not (int regnum); |
| |
| /* Legacy version of target_virtual_frame_pointer(). Assumes that |
| there is an gdbarch_deprecated_fp_regnum and that it is the same, cooked or |
| raw. */ |
| |
| extern gdbarch_virtual_frame_pointer_ftype legacy_virtual_frame_pointer; |
| |
| extern CORE_ADDR generic_skip_trampoline_code (struct frame_info *frame, |
| CORE_ADDR pc); |
| |
| extern CORE_ADDR generic_skip_solib_resolver (struct gdbarch *gdbarch, |
| CORE_ADDR pc); |
| |
| extern int generic_in_solib_return_trampoline (CORE_ADDR pc, char *name); |
| |
| extern int generic_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc); |
| |
| /* By default, registers are not convertible. */ |
| extern int generic_convert_register_p (int regnum, struct type *type); |
| |
| extern int default_stabs_argument_has_addr (struct gdbarch *gdbarch, |
| struct type *type); |
| |
| extern int generic_instruction_nullified (struct gdbarch *gdbarch, |
| struct regcache *regcache); |
| |
| int default_remote_register_number (struct gdbarch *gdbarch, |
| int regno); |
| |
| /* For compatibility with older architectures, returns |
| (LEGACY_SIM_REGNO_IGNORE) when the register doesn't have a valid |
| name. */ |
| |
| extern int legacy_register_sim_regno (int regnum); |
| |
| /* Return the selected byte order, or BFD_ENDIAN_UNKNOWN if no byte |
| order was explicitly selected. */ |
| extern enum bfd_endian selected_byte_order (void); |
| |
| /* Return the selected architecture's name, or NULL if no architecture |
| was explicitly selected. */ |
| extern const char *selected_architecture_name (void); |
| |
| /* Initialize a ``struct info''. Can't use memset(0) since some |
| default values are not zero. "fill" takes all available |
| information and fills in any unspecified fields. */ |
| |
| extern void gdbarch_info_init (struct gdbarch_info *info); |
| |
| /* Similar to init, but this time fill in the blanks. Information is |
| obtained from the global "set ..." options and explicitly |
| initialized INFO fields. */ |
| extern void gdbarch_info_fill (struct gdbarch_info *info); |
| |
| /* Return the architecture for ABFD. If no suitable architecture |
| could be find, return NULL. */ |
| |
| extern struct gdbarch *gdbarch_from_bfd (bfd *abfd); |
| |
| #endif |