X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Farch-utils.h;h=6b7a073c8cc8f5327f78e34a9cfc9737cf8622c3;hb=ebd3bcc1327e6a7de6daf6536134cb20be9c2cfd;hp=234257d97b2510d62a642eca15c72f0a670944dc;hpb=ea67f13b6848d0b7f120703b04b9d7d42bf04195;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/arch-utils.h b/gdb/arch-utils.h index 234257d97b..6b7a073c8c 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 + 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, @@ -15,9 +16,7 @@ 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 @@ -31,85 +30,42 @@ struct gdbarch_info; /* gdbarch trace variable */ extern int gdbarch_debug; -/* Fallback for register convertible. */ -extern gdbarch_deprecated_register_convertible_ftype deprecated_register_convertible_not; - -extern CORE_ADDR generic_cannot_extract_struct_value_address (char *dummy); - -/* 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; - -/* 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_use_struct_convention_ftype always_use_struct_convention; - -/* 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; +/* 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); + +/* 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); - -/* 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. */ +/* 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); - -/* 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); +extern int no_op_reg_to_regnum (struct gdbarch *gdbarch, int reg); /* Do nothing version of elf_make_msymbol_special. */ @@ -122,52 +78,65 @@ 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); +int cannot_register_not (struct gdbarch *gdbarch, int regnum); /* Legacy version of target_virtual_frame_pointer(). Assumes that - there is an DEPRECATED_FP_REGNUM and that it is the same, cooked or + 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 (CORE_ADDR pc); +extern CORE_ADDR generic_skip_trampoline_code (struct frame_info *frame, + CORE_ADDR pc); -extern int generic_in_solib_call_trampoline (CORE_ADDR pc, char *name); +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); -/* Assume that the world is sane, a registers raw and virtual size - both match its type. */ - -extern int generic_register_size (int regnum); +/* By default, registers are not convertible. */ +extern int generic_convert_register_p (struct gdbarch *gdbarch, int regnum, + struct type *type); -/* Assume that the world is sane, the registers are all adjacent. */ -extern int generic_register_byte (int regnum); +extern int default_stabs_argument_has_addr (struct gdbarch *gdbarch, + struct type *type); -/* Prop up old targets that use various IN_SIGTRAMP() macros. */ -extern int legacy_pc_in_sigtramp (CORE_ADDR pc, char *name); +extern int generic_instruction_nullified (struct gdbarch *gdbarch, + struct regcache *regcache); -/* 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, struct type *type); -extern void legacy_register_to_value (struct frame_info *frame, int regnum, - struct type *type, void *to); -extern void legacy_value_to_register (struct frame_info *frame, int regnum, - struct type *type, const void *from); +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); +extern int legacy_register_sim_regno (struct gdbarch *gdbarch, 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. */ + 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