X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Farch-utils.h;h=27f219b0be990701f415c7a8a81cf4db4c15d4f7;hb=aaab4dba8639bf42d0f6d79ca33dd6867e212fed;hp=1a147da49cb376d521535f05c8b5333e525ea567;hpb=27e232885db363fb545fd2f450e72d929e59b8f6;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/arch-utils.h b/gdb/arch-utils.h index 1a147da49c..27f219b0be 100644 --- a/gdb/arch-utils.h +++ b/gdb/arch-utils.h @@ -1,5 +1,6 @@ /* Dynamic architecture support for GDB, the GNU debugger. - Copyright 1998-2000, Free Software Foundation, Inc. + + Copyright 1998, 1999, 2000, 2002 Free Software Foundation, Inc. This file is part of GDB. @@ -21,20 +22,30 @@ #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; @@ -45,7 +56,10 @@ extern gdbarch_frameless_function_invocation_ftype generic_frameless_function_in 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); +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[]; @@ -76,16 +90,93 @@ extern int frame_num_args_unknown (struct frame_info *fi); targets. */ /* DEPRECATED pre- multi-arch interface. Explicitly set the dynamic - target-system-dependant parameters based on bfd_architecture and + 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 dependant +/* 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 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 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