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Diffstat (limited to 'gdb/arch-utils.h')
| -rw-r--r-- | gdb/arch-utils.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/gdb/arch-utils.h b/gdb/arch-utils.h new file mode 100644 index 00000000000..a6639b99ad1 --- /dev/null +++ b/gdb/arch-utils.h @@ -0,0 +1,164 @@ +/* Dynamic architecture support for GDB, the GNU debugger. + + Copyright 1998, 1999, 2000, 2002, 2003, 2004 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 + +struct gdbarch; +struct frame_info; +struct minimal_symbol; +struct type; +struct gdbarch_info; +struct dwarf_expr_piece; + +/* gdbarch trace variable */ +extern int gdbarch_debug; + +/* An implementation of return_value that props up architectures still + using USE_STRUCT_RETURN, EXTRACT_RETURN_VALUE and + STORE_RETURN_VALUE. See also the hacks in "stack.c". */ +enum return_value_convention legacy_return_value (struct gdbarch *gdbarch, + struct type *valtype, + struct regcache *regcache, + void *readbuf, + const void *writebuf); + +/* 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_deprecated_use_struct_convention_ftype always_use_struct_convention; + +/* Typical remote_translate_xfer_address */ +extern gdbarch_remote_translate_xfer_address_ftype generic_remote_translate_xfer_address; + +/* 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); + +/* 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 deprecated_init_frame_pc_default (int fromleaf, struct frame_info *prev); + +/* Dwarf piece simplifier that never simplifies anything. */ +extern int dwarf_never_simplify_pieces (int num_pieces, + struct dwarf_expr_piece *pieces); + +/* 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 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); + +/* 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 sigtramp macros. */ +extern int legacy_pc_in_sigtramp (CORE_ADDR pc, char *name); + +/* By default, registers are not convertible. */ +extern int generic_convert_register_p (int regnum, struct type *type); + +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. "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 |