X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Farch-utils.h;h=c99b0842361542731bef020c5bc9a27e76e2b98c;hb=ed0616c6b78a0966e24cdcecf48ebe8e581a0448;hp=579953f9c424b83635187ae4bfc97671573de650;hpb=b7d6b182e1e7967362729243495ecd85f9ea3c03;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/arch-utils.h b/gdb/arch-utils.h index 579953f9c4..c99b084236 100644 --- a/gdb/arch-utils.h +++ b/gdb/arch-utils.h @@ -1,11 +1,13 @@ /* Dynamic architecture support for GDB, the GNU debugger. - Copyright 1998-2000, Free Software Foundation, Inc. + + 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 + the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, @@ -14,83 +16,115 @@ 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., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + along with this program. If not, see . */ #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; -/* Fallback for register convertible. */ -extern gdbarch_register_convertible_ftype generic_register_convertible_not; +/* 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); -/* Helper function for targets that don't know how my arguments are - being passed */ -extern gdbarch_frame_num_args_ftype frame_num_args_unknown; +/* Identity functions on a CORE_ADDR. Just return the "addr". */ -/* Implementation of breakpoint from PC using any of the deprecated - macros BREAKPOINT, LITTLE_BREAKPOINT, BIG_BREAPOINT. For legacy - targets that don't yet implement their own breakpoint_from_pc(). */ -extern gdbarch_breakpoint_from_pc_ftype legacy_breakpoint_from_pc; +extern CORE_ADDR core_addr_identity (CORE_ADDR addr); +extern gdbarch_convert_from_func_ptr_addr_ftype convert_from_func_ptr_addr_identity; -/* Frameless functions not identifable. */ -extern gdbarch_frameless_function_invocation_ftype generic_frameless_function_invocation_not; +/* No-op conversion of reg to regnum. */ -/* Only structures, unions, and arrays are returned using the struct - convention. Note that arrays are never passed by value in the C - language family, so that case is irrelevant for C. */ -extern gdbarch_return_value_on_stack_ftype generic_return_value_on_stack_not; +extern int no_op_reg_to_regnum (int reg); -/* Map onto old REGISTER_NAMES. */ -extern char *legacy_register_name (int i); +/* Do nothing version of elf_make_msymbol_special. */ -/* Backward compatible call_dummy_words. */ -extern LONGEST legacy_call_dummy_words[]; -extern int legacy_sizeof_call_dummy_words; +void default_elf_make_msymbol_special (asymbol *sym, struct minimal_symbol *msym); -/* Typical remote_translate_xfer_address */ -extern gdbarch_remote_translate_xfer_address_ftype generic_remote_translate_xfer_address; +/* Do nothing version of coff_make_msymbol_special. */ -/* Generic implementation of prologue_frameless_p. Just calls - SKIP_PROLOG and checks the return value to see if it actually - changed. */ -extern gdbarch_prologue_frameless_p_ftype generic_prologue_frameless_p; +void default_coff_make_msymbol_special (int val, struct minimal_symbol *msym); -/* 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); +/* 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); -/* Floating point values. */ -extern const struct floatformat *default_float_format (struct gdbarch *gdbarch); -extern const struct floatformat *default_double_format (struct gdbarch *gdbarch); +extern int generic_instruction_nullified (struct gdbarch *gdbarch, + struct regcache *regcache); -/* Helper function for targets that don't know how my arguments are - being passed */ -extern int frame_num_args_unknown (struct frame_info *fi); +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. */ -/* The following DEPRECATED interfaces are for pre- multi-arch legacy - targets. */ +extern int legacy_register_sim_regno (int regnum); -/* DEPRECATED pre- multi-arch interface. Explicitly set the dynamic - target-system-dependent parameters based on bfd_architecture and - machine. This function is deprecated, use - set_gdbarch_from_arch_machine(). */ +/* Return the selected byte order, or BFD_ENDIAN_UNKNOWN if no byte + order was explicitly selected. */ +extern enum bfd_endian selected_byte_order (void); -extern void set_architecture_from_arch_mach (enum bfd_architecture, unsigned long); +/* Return the selected architecture's name, or NULL if no architecture + was explicitly selected. */ +extern const char *selected_architecture_name (void); -/* DEPRECATED pre- multi-arch interface. Notify the target dependent - backend of a change to the selected architecture. A zero return - status indicates that the target did not like the change. */ +/* 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 int (*target_architecture_hook) (const struct bfd_arch_info *); +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); -/* Default raw->sim register re-numbering - does nothing. */ +/* Return the architecture for ABFD. If no suitable architecture + could be find, return NULL. */ -extern int default_register_sim_regno (int reg_nr); +extern struct gdbarch *gdbarch_from_bfd (bfd *abfd); #endif