diff options
Diffstat (limited to 'contrib/gdb/gdb/arch-utils.h')
| -rw-r--r-- | contrib/gdb/gdb/arch-utils.h | 152 |
1 files changed, 78 insertions, 74 deletions
diff --git a/contrib/gdb/gdb/arch-utils.h b/contrib/gdb/gdb/arch-utils.h index 96d1b8b..0f7a23d 100644 --- a/contrib/gdb/gdb/arch-utils.h +++ b/contrib/gdb/gdb/arch-utils.h @@ -1,5 +1,7 @@ /* Dynamic architecture support for GDB, the GNU debugger. - Copyright 1998, 1999, 2000 Free Software Foundation, Inc. + + Copyright 1998, 1999, 2000, 2002, 2003 Free Software Foundation, + Inc. This file is part of GDB. @@ -21,37 +23,31 @@ #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); +/* Implementation of extract return value that grubs around in the + register cache. */ +extern gdbarch_extract_return_value_ftype legacy_extract_return_value; -/* 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 store return value that grubs the register cache. */ +extern gdbarch_store_return_value_ftype legacy_store_return_value; -/* 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; +/* 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; /* 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; @@ -59,11 +55,6 @@ 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); @@ -72,55 +63,18 @@ extern int core_addr_greaterthan (CORE_ADDR lhs, CORE_ADDR rhs); 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 *); - - -/* Default raw->sim register re-numbering - does nothing. */ - -extern int default_register_sim_regno (int reg_nr); - -/* 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); -/* Default frame_args_address and frame_locals_address. */ - -extern CORE_ADDR default_frame_address (struct frame_info *); - -/* 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. */ -void init_frame_pc_noop (int fromleaf, struct frame_info *prev); - -void init_frame_pc_default (int fromleaf, struct frame_info *prev); +extern CORE_ADDR deprecated_init_frame_pc_default (int fromleaf, struct frame_info *prev); /* Do nothing version of elf_make_msymbol_special. */ @@ -136,28 +90,78 @@ void default_coff_make_msymbol_special (int val, struct minimal_symbol *msym); 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. */ + 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 CORE_ADDR generic_skip_solib_resolver (struct gdbarch *gdbarch, + 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); -extern void default_print_float_info (void); +/* 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); -/* Assume all registers are the same size and a size identical to that - of the integer type. */ -extern int generic_register_raw_size (int regnum); +/* Prop up old targets that use various IN_SIGTRAMP() macros. */ +extern int legacy_pc_in_sigtramp (CORE_ADDR pc, char *name); -/* Assume the virtual size of registers corresponds to the virtual type. */ +/* 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); -extern int generic_register_virtual_size (int regnum); +extern int default_stabs_argument_has_addr (struct gdbarch *gdbarch, + struct type *type); + +/* 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); + +/* 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); +extern void gdbarch_info_fill (struct gdbarch *gdbarch, + struct gdbarch_info *info); + +/* Similar to init, but this time fill in the blanks. Information is + obtained from the specified architecture, global "set ..." options, + and explicitly initialized INFO fields. */ +extern void gdbarch_info_fill (struct gdbarch *gdbarch, + 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 |
