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* regcache.h: Update copyright.

Browse source 
(struct regcache, struct gdbarch): Add opaque declarations.
(current_regcache): Declare global variable.
(regcache_read, regcache_write): Add gdbarch parameter.
(regcache_save, regcache_save_no_passthrough)
(regcache_restore, regcache_restore_no_passthrough)
(regcache_dup, regcache_dup_no_passthrough)
(regcache_cpy, regcache_cpy_no_passthrough)
(deprecated_grub_regcache_for_registers)
(deprecated_grub_regcache_for_register_valid)
(regcache_valid_p): Add function declarations.

* regcache.c: Update copyright.
(regcache_descr_handle): New global variable.
(struct regcache_descr): Define.
(init_legacy_regcache_descr, init_regcache_descr): New functions.
(regcache_descr, xfree_regcache_descr): New functions.
(struct regcache): Define.
(regcache_xmalloc, regcache_xfree): New functions.
(regcache_cpy, regcache_cpy_no_passthrough): New functions.
(regcache_dup, regcache_dup_no_passthrough): New functions.
(regcache_valid_p, regcache_read_as_address): New functions.
(deprecated_grub_regcache_for_registers): New function.
(deprecated_grub_regcache_for_register_valid): New function.
(current_regcache): New global variable.
(register_buffer): Add regcache parameter.  Update calls.
(regcache_read, regcache_write): Add regcache parameter.  Rewrite.
(read_register_gen, write_register_gen): Update register_buffer
call.  Test for legacy_p instead of gdbarch_register_read_p or
gdbarch_register_write_p.
(regcache_collect): Update register_buffer call.
(build_regcache): Rewrite.  Use deprecated grub functions.
(regcache_save, regcache_save_no_passthrough): New functions.
(regcache_restore, regcache_restore_no_passthrough): New
functions.
(_initialize_regcache): Create the regcache_data_handle. Swap
current_regcache global variable.

* sh-tdep.c (sh_pseudo_register_read): Add current_regcache
parameter to regcache_read and regcache_write calls.
(sh4_register_read): Ditto.
(sh64_pseudo_register_read): Ditto.
(sh64_register_read): Ditto.
(sh_pseudo_register_write): Ditto.
(sh4_register_write): Ditto.
(sh64_pseudo_register_write): Ditto.
(sh64_register_write): Ditto.

* defs.h (XCALLOC): Define.
This commit is contained in:
Andrew Cagney 2002-06-20 03:13:51 +00:00
parent e1820627dc
commit 3fadccb31d
5 changed files with 620 additions and 94 deletions
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38
gdb/regcache.h
View file

@ -1,6 +1,7 @@
/* Cache and manage the values of registers for GDB, the GNU debugger.
Copyright 1986, 1987, 1989, 1991, 1994, 1995, 1996, 1998, 2000, 2001
Free Software Foundation, Inc.
Copyright 1986, 1987, 1989, 1991, 1994, 1995, 1996, 1998, 2000,
2001, 2002 Free Software Foundation, Inc.
This file is part of GDB.
@ -22,11 +23,21 @@
#ifndef REGCACHE_H
#define REGCACHE_H
struct regcache;
struct gdbarch;
extern struct regcache *current_regcache;
void regcache_xfree (struct regcache *regcache);
struct regcache *regcache_xmalloc (struct gdbarch *gdbarch);
/* Transfer a raw register [0..NUM_REGS) between core-gdb and the
regcache. */
void regcache_read (int rawnum, char *buf);
void regcache_write (int rawnum, char *buf);
void regcache_read (struct regcache *regcache, int rawnum, char *buf);
void regcache_write (struct regcache *regcache, int rawnum, char *buf);
int regcache_valid_p (struct regcache *regcache, int regnum);
CORE_ADDR regcache_read_as_address (struct regcache *regcache, int rawnum);
/* Transfer a raw register [0..NUM_REGS) between the regcache and the
target. These functions are called by the target in response to a
@ -47,6 +58,25 @@ extern char *registers;
extern signed char *register_valid;
/* Save/restore the register cache using the regbuf. The operation is
write through - it is strictly for code that needs to restore the
target's registers to a previous state.
``no passthrough'' versions do not go through to the target. They
only save values already in the cache. */
extern void regcache_save (struct regcache *regcache);
extern void regcache_restore (struct regcache *regcache);
extern struct regcache *regcache_dup (struct regcache *regcache);
extern void regcache_save_no_passthrough (struct regcache *regcache);
extern void regcache_restore_no_passthrough (struct regcache *regcache);
extern struct regcache *regcache_dup_no_passthrough (struct regcache *regcache);
extern void regcache_cpy (struct regcache *dest, struct regcache *src);
extern void regcache_cpy_no_passthrough (struct regcache *dest, struct regcache *src);
extern char *deprecated_grub_regcache_for_registers (struct regcache *);
extern char *deprecated_grub_regcache_for_register_valid (struct regcache *);
extern int register_cached (int regnum);
extern void set_register_cached (int regnum, int state);