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Diffstat (limited to 'contrib/gdb/gdb/arch-utils.h')
-rw-r--r-- | contrib/gdb/gdb/arch-utils.h | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/contrib/gdb/gdb/arch-utils.h b/contrib/gdb/gdb/arch-utils.h new file mode 100644 index 0000000..96d1b8b --- /dev/null +++ b/contrib/gdb/gdb/arch-utils.h @@ -0,0 +1,163 @@ +/* Dynamic architecture support for GDB, the GNU debugger. + Copyright 1998, 1999, 2000 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 + +/* 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. */ +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 *); + + +/* 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. */ + +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 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); + +/* 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_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc); + +extern void default_print_float_info (void); + +/* 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); + +/* Assume the virtual size of registers corresponds to the virtual type. */ + +extern int generic_register_virtual_size (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 |