/* Dynamic architecture support for GDB, the GNU debugger.
- Copyright 1998, 1999, 2000, 2002, 2003, 2004 Free Software
- Foundation, Inc.
+ Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2007, 2008, 2009
+ 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,
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 <http://www.gnu.org/licenses/>. */
#ifndef GDBARCH_UTILS_H
#define GDBARCH_UTILS_H
/* 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;
+/* 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);
-
/* Identity functions on a CORE_ADDR. Just return the "addr". */
-extern CORE_ADDR core_addr_identity (CORE_ADDR addr);
+extern CORE_ADDR core_addr_identity (struct gdbarch *gdbarch, 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);
+extern int no_op_reg_to_regnum (struct gdbarch *gdbarch, int reg);
/* Do nothing version of elf_make_msymbol_special. */
/* 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 CORE_ADDR generic_skip_solib_resolver (struct gdbarch *gdbarch,
CORE_ADDR pc);
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 generic_convert_register_p (struct gdbarch *gdbarch, int regnum,
+ struct type *type);
extern int default_stabs_argument_has_addr (struct gdbarch *gdbarch,
struct type *type);
+extern int generic_instruction_nullified (struct gdbarch *gdbarch,
+ struct regcache *regcache);
+
+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. */
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);
+ 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. */
projects / deliverable / binutils-gdb.git / blobdiff