2002-08-20 Michael Snyder <msnyder@redhat.com>

[deliverable/binutils-gdb.git] / gdb / arch-utils.h

diff --git a/gdb/arch-utils.h b/gdb/arch-utils.h
index 9934bbf328545bb5efb87c497abeb7148a9ee115..3552cd8e3a13a0bba3a48e8535561dfa2c45714e 100644 (file)
--- a/gdb/arch-utils.h
+++ b/gdb/arch-utils.h
@@ -1,5 +1,6 @@
 /* Dynamic architecture support for GDB, the GNU debugger.
-   Copyright 1998, 1999, 2000 Free Software Foundation, Inc.
+
+   Copyright 1998, 1999, 2000, 2002 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -27,6 +28,8 @@ 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;
@@ -36,6 +39,10 @@ extern gdbarch_frame_num_args_ftype frame_num_args_unknown;
    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;
+
 /* Frameless functions not identifable. */
 extern gdbarch_frameless_function_invocation_ftype generic_frameless_function_invocation_not;
 
@@ -45,7 +52,10 @@ 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[];
@@ -88,11 +98,6 @@ extern void set_architecture_from_arch_mach (enum bfd_architecture, unsigned lon
 
 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);
@@ -111,13 +116,66 @@ extern int default_prepare_to_proceed (int select_it);
 
 extern int generic_prepare_to_proceed (int select_it);
 
-/* Version of init_frame_pc() that does nothing. */
+/* 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_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