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binutils-gdb/gdb/arch-utils.h
Andrew Cagney da3331ec16 2003-04-12 Andrew Cagney <cagney@redhat.com> 
* gdbarch.sh: Add missing opaque declarations.
	* gdbarch.h: Regnerate.
	* symtab.h: Add missing opaque declarations.
	* value.h, target.h, symfile.h, stabsread.h: Ditto.
	* x86-64-tdep.h, xmodem.h, monitor.h, typeprint.h: Ditto.
	* srec.h, solib-svr4.h, source.h, inferior.h: Ditto.
	* ser-unix.h, serial.h, remote-utils.h, gdbcore.h: Ditto.
	* ppc-tdep.h, ocd.h, mips-tdep.h, gdbtypes.h: Ditto.
	* buildsym.h, builtin-regs.h, linespec.h, language.h: Ditto.
	* i387-tdep.h, gdbthread.h, event-top.h, gdb.h: Ditto.
	* dwarf2cfi.h, doublest.h, disasm.h, cp-abi.h: Ditto.
	* cli-out.h, c-lang.h, ax-gdb.h, arch-utils.h: Ditto.
	* ada-lang.h, config/nm-lynx.h, config/nm-linux.h: Ditto.
	* config/sparc/tm-sp64.h, config/rs6000/tm-rs6000.h: Ditto.
	* config/pa/tm-hppah.h, config/m68k/tm-delta68.h: Ditto.
	* cli/cli-setshow.h, cli/cli-script.h: Ditto.
2003-04-12 17:41:26 +00:00

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/* Dynamic architecture support for GDB, the GNU debugger.
Copyright 1998, 1999, 2000, 2002 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, 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;
/* Fallback for register convertible. */
extern gdbarch_register_convertible_ftype generic_register_convertible_not;
extern CORE_ADDR generic_cannot_extract_struct_value_address (char *dummy);
/* Helper function for targets that don't know how my arguments are
being passed */
extern gdbarch_frame_num_args_ftype frame_num_args_unknown;
/* 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;
/* Implementation of extract return value that grubs around in the
register cache. */
extern gdbarch_extract_return_value_ftype legacy_extract_return_value;
/* Implementation of store return value that grubs the register cache. */
extern gdbarch_store_return_value_ftype legacy_store_return_value;
/* Frameless functions not identifable. */
extern gdbarch_frameless_function_invocation_ftype generic_frameless_function_invocation_not;
/* 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;
/* Map onto old REGISTER_NAMES. */
extern const char *legacy_register_name (int i);
/* Accessor for old global function pointer for disassembly. */
extern int legacy_print_insn (bfd_vma vma, disassemble_info *info);
/* Backward compatible call_dummy_words. */
extern LONGEST legacy_call_dummy_words[];
extern int legacy_sizeof_call_dummy_words;
/* Typical remote_translate_xfer_address */
extern gdbarch_remote_translate_xfer_address_ftype generic_remote_translate_xfer_address;
/* 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;
/* 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);
/* Floating point values. */
extern const struct floatformat *default_float_format (struct gdbarch *gdbarch);
extern const struct floatformat *default_double_format (struct gdbarch *gdbarch);
/* Helper function for targets that don't know how my arguments are
being passed */
extern int frame_num_args_unknown (struct frame_info *fi);
/* The following DEPRECATED interfaces are for pre- multi-arch legacy
targets. */
/* 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(). */
extern void set_architecture_from_arch_mach (enum bfd_architecture, unsigned long);
/* 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. */
extern int (*target_architecture_hook) (const struct bfd_arch_info *);
/* Identity function on a CORE_ADDR. Just returns its parameter. */
extern CORE_ADDR core_addr_identity (CORE_ADDR addr);
/* No-op conversion of reg to regnum. */
extern int no_op_reg_to_regnum (int reg);
/* Default prepare_to_procced. */
extern int default_prepare_to_proceed (int select_it);
extern int generic_prepare_to_proceed (int select_it);
/* Versions of init_frame_pc(). Do nothing; do the default. */
extern CORE_ADDR init_frame_pc_noop (int fromleaf, struct frame_info *prev);
extern CORE_ADDR init_frame_pc_default (int fromleaf, struct frame_info *prev);
/* 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 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 (CORE_ADDR pc);
extern int generic_in_solib_call_trampoline (CORE_ADDR pc, char *name);
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);
/* Assume that the world is sane, a registers raw and virtual size
both match its type. */
extern int generic_register_size (int regnum);
/* Assume that the world is sane, the registers are all adjacent. */
extern int generic_register_byte (int regnum);
/* Prop up old targets that use various IN_SIGTRAMP() macros. */
extern int legacy_pc_in_sigtramp (CORE_ADDR pc, char *name);
/* The orginal register_convert*() functions were overloaded. They
were used to both: convert between virtual and raw register formats
(something that is discouraged); and to convert a register to the
type of a corresponding variable. These legacy functions preserve
that overloaded behavour in existing targets. */
extern int legacy_convert_register_p (int regnum);
extern void legacy_register_to_value (int regnum, struct type *type, char *from, char *to);
extern void legacy_value_to_register (struct type *type, int regnum, char *from, char *to);
/* 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);
/* Initialize a ``struct info''. Can't use memset(0) since some
default values are not zero. */
extern void gdbarch_info_init (struct gdbarch_info *info);
#endif
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