X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Farch-utils.h;h=f5eb1a754706dd6dc605723e9e9945de8389e965;hb=6710bf39b7c037de481a4b351fb69cec6b48b138;hp=bcd17aaf71376793661a1a42dc133e236a4474df;hpb=b2e75d78994bf7899fdb51387a9d95950f09ad9a;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/arch-utils.h b/gdb/arch-utils.h index bcd17aaf71..f5eb1a7547 100644 --- a/gdb/arch-utils.h +++ b/gdb/arch-utils.h @@ -1,12 +1,13 @@ /* Dynamic architecture support for GDB, the GNU debugger. - Copyright 1998, 1999, 2000, 2002 Free Software Foundation, Inc. + Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2007, 2008, 2009, 2010, + 2011 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, @@ -15,150 +16,160 @@ 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; - -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; - -/* 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 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. */ +/* An implementation of gdbarch_displaced_step_copy_insn for + processors that don't need to modify the instruction before + single-stepping the displaced copy. + + Simply copy gdbarch_max_insn_length (ARCH) bytes from FROM to TO. + The closure is an array of that many bytes containing the + instruction's bytes, allocated with xmalloc. */ +extern struct displaced_step_closure * + simple_displaced_step_copy_insn (struct gdbarch *gdbarch, + CORE_ADDR from, CORE_ADDR to, + struct regcache *regs); + +/* Simple implementation of gdbarch_displaced_step_free_closure: Call + xfree. + This is appropriate for use with simple_displaced_step_copy_insn. */ +extern void + simple_displaced_step_free_closure (struct gdbarch *gdbarch, + struct displaced_step_closure *closure); + +/* Default implementation of gdbarch_displaced_hw_singlestep. */ +extern int + default_displaced_step_hw_singlestep (struct gdbarch *, + struct displaced_step_closure *); + +/* Possible value for gdbarch_displaced_step_location: + Place displaced instructions at the program's entry point, + leaving space for inferior function call return breakpoints. */ +extern CORE_ADDR displaced_step_at_entry_point (struct gdbarch *gdbarch); + +/* 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); - +/* Identity functions on a CORE_ADDR. Just return the "addr". */ -/* The following DEPRECATED interfaces are for pre- multi-arch legacy - targets. */ +extern CORE_ADDR core_addr_identity (struct gdbarch *gdbarch, CORE_ADDR addr); +extern gdbarch_convert_from_func_ptr_addr_ftype convert_from_func_ptr_addr_identity; -/* 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(). */ +/* No-op conversion of reg to regnum. */ -extern void set_architecture_from_arch_mach (enum bfd_architecture, unsigned long); +extern int no_op_reg_to_regnum (struct gdbarch *gdbarch, int reg); -/* 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. */ +/* Do nothing version of elf_make_msymbol_special. */ -extern int (*target_architecture_hook) (const struct bfd_arch_info *); +void default_elf_make_msymbol_special (asymbol *sym, + struct minimal_symbol *msym); +/* Do nothing version of coff_make_msymbol_special. */ -/* Default raw->sim register re-numbering - does nothing. */ - -extern int default_register_sim_regno (int reg_nr); +void default_coff_make_msymbol_special (int val, struct minimal_symbol *msym); -/* Identity function on a CORE_ADDR. Just returns its parameter. */ +/* Version of cannot_fetch_register() / cannot_store_register() that + always fails. */ -extern CORE_ADDR core_addr_identity (CORE_ADDR addr); +int cannot_register_not (struct gdbarch *gdbarch, int regnum); -/* No-op conversion of reg to 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 int no_op_reg_to_regnum (int reg); +extern gdbarch_virtual_frame_pointer_ftype legacy_virtual_frame_pointer; -/* Default frame_args_address and frame_locals_address. */ +extern CORE_ADDR generic_skip_trampoline_code (struct frame_info *frame, + CORE_ADDR pc); -extern CORE_ADDR default_frame_address (struct frame_info *); +extern CORE_ADDR generic_skip_solib_resolver (struct gdbarch *gdbarch, + CORE_ADDR pc); -/* Default prepare_to_procced. */ +extern int generic_in_solib_return_trampoline (struct gdbarch *gdbarch, + CORE_ADDR pc, char *name); -extern int default_prepare_to_proceed (int select_it); +extern int generic_in_function_epilogue_p (struct gdbarch *gdbarch, + CORE_ADDR pc); -extern int generic_prepare_to_proceed (int select_it); +/* By default, registers are not convertible. */ +extern int generic_convert_register_p (struct gdbarch *gdbarch, int regnum, + struct type *type); -/* Versions of init_frame_pc(). Do nothing; do the default. */ +extern int default_stabs_argument_has_addr (struct gdbarch *gdbarch, + struct type *type); -void init_frame_pc_noop (int fromleaf, struct frame_info *prev); +extern int generic_instruction_nullified (struct gdbarch *gdbarch, + struct regcache *regcache); -void init_frame_pc_default (int fromleaf, struct frame_info *prev); +int default_remote_register_number (struct gdbarch *gdbarch, + int regno); -/* Do nothing version of elf_make_msymbol_special. */ +/* For compatibility with older architectures, returns + (LEGACY_SIM_REGNO_IGNORE) when the register doesn't have a valid + name. */ -void default_elf_make_msymbol_special (asymbol *sym, struct minimal_symbol *msym); +extern int legacy_register_sim_regno (struct gdbarch *gdbarch, int regnum); -/* Do nothing version of coff_make_msymbol_special. */ +/* Return the selected byte order, or BFD_ENDIAN_UNKNOWN if no byte + order was explicitly selected. */ +extern enum bfd_endian selected_byte_order (void); -void default_coff_make_msymbol_special (int val, struct minimal_symbol *msym); +/* Return the selected architecture's name, or NULL if no architecture + was explicitly selected. */ +extern const char *selected_architecture_name (void); -/* Version of cannot_fetch_register() / cannot_store_register() that - always fails. */ +/* 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. */ -int cannot_register_not (int regnum); +extern void gdbarch_info_init (struct gdbarch_info *info); -/* Legacy version of target_virtual_frame_pointer(). Assumes that - there is an FP_REGNUM and that it is the same, cooked or raw. */ +/* 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); -extern gdbarch_virtual_frame_pointer_ftype legacy_virtual_frame_pointer; +/* Return the architecture for ABFD. If no suitable architecture + could be find, return NULL. */ -extern CORE_ADDR generic_skip_trampoline_code (CORE_ADDR pc); +extern struct gdbarch *gdbarch_from_bfd (bfd *abfd); -extern int generic_in_solib_call_trampoline (CORE_ADDR pc, char *name); +/* Return "current" architecture. If the target is running, this is the + architecture of the selected frame. Otherwise, the "current" architecture + defaults to the target architecture. -extern int generic_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc); + This function should normally be called solely by the command interpreter + routines to determine the architecture to execute a command in. */ +extern struct gdbarch *get_current_arch (void); -extern void default_print_float_info (void); +extern int default_has_shared_address_space (struct gdbarch *); -/* Assume that the world is sane, a registers raw and virtual size - both match its type. */ +extern int default_fast_tracepoint_valid_at (struct gdbarch *gdbarch, + CORE_ADDR addr, + int *isize, char **msg); -extern int generic_register_size (int regnum); +extern void default_remote_breakpoint_from_pc (struct gdbarch *, + CORE_ADDR *pcptr, int *kindptr); -/* Prop up old targets that use various IN_SIGTRAMP() macros. */ -extern int legacy_pc_in_sigtramp (CORE_ADDR pc, char *name); +extern void default_gen_return_address (struct gdbarch *gdbarch, + struct agent_expr *ax, + struct axs_value *value, + CORE_ADDR scope); -/* 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); +extern const char *default_auto_charset (void); +extern const char *default_auto_wide_charset (void); #endif