mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-03 04:12:10 +08:00
6e7f8b9cba
* stack.c (selected_frame, select_frame): Move from here ... * frame.c (selected_frame, select_frame): ... to here. Include "language.h". * Makefile.in (frame.o): Update dependencies. * frame.c (get_selected_frame): New function. * frame.h (get_selected_frame): Declare. (deprecated_selected_frame): Rename selected_frame. * ada-lang.c, ada-tasks.c, breakpoint.c, corelow.c: Update. * eval.c, f-valprint.c, findvar.c, frame.c, frame.h: Update. * h8300-tdep.c, h8500-tdep.c, hppa-tdep.c, infcmd.c: Update. * inflow.c, infrun.c, macroscope.c, mips-tdep.c: Update. * mn10300-tdep.c, ocd.c, regcache.h, remote-e7000.c: Update. * remote-mips.c, remote-rdp.c, sh-tdep.c, sparc-tdep.c: Update. * stack.c, thread.c, tracepoint.c, valops.c, varobj.c: Update. * z8k-tdep.c, cli/cli-cmds.c: Update. Index: mi/ChangeLog 2002-11-29 Andrew Cagney <ac131313@redhat.com> * mi/mi-cmd-stack.c, mi/mi-main.c: Update to use deprecated_selected_frame. Index: tui/ChangeLog 2002-11-29 Andrew Cagney <ac131313@redhat.com> * tui/tui-hooks.c: Update to use deprecated_selected_frame. * tui/tui.c, tui/tuiDisassem.c, tui/tuiRegs.c: Ditto. * tui/tuiSource.c, tui/tuiSourceWin.c, tui/tuiWin.c: Ditto.
225 lines
9.4 KiB
C
225 lines
9.4 KiB
C
/* Cache and manage the values of registers for GDB, the GNU debugger.
|
|
|
|
Copyright 1986, 1987, 1989, 1991, 1994, 1995, 1996, 1998, 2000,
|
|
2001, 2002 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 REGCACHE_H
|
|
#define REGCACHE_H
|
|
|
|
struct regcache;
|
|
struct gdbarch;
|
|
|
|
extern struct regcache *current_regcache;
|
|
|
|
void regcache_xfree (struct regcache *regcache);
|
|
struct cleanup *make_cleanup_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_raw_read (struct regcache *regcache, int rawnum, void *buf);
|
|
void regcache_raw_write (struct regcache *regcache, int rawnum,
|
|
const void *buf);
|
|
extern void regcache_raw_read_signed (struct regcache *regcache,
|
|
int regnum, LONGEST *val);
|
|
extern void regcache_raw_read_unsigned (struct regcache *regcache,
|
|
int regnum, ULONGEST *val);
|
|
extern void regcache_raw_write_signed (struct regcache *regcache,
|
|
int regnum, LONGEST val);
|
|
extern void regcache_raw_write_unsigned (struct regcache *regcache,
|
|
int regnum, ULONGEST val);
|
|
|
|
/* Partial transfer of a raw registers. These perform read, modify,
|
|
write style operations. */
|
|
|
|
void regcache_raw_read_part (struct regcache *regcache, int regnum,
|
|
int offset, int len, void *buf);
|
|
void regcache_raw_write_part (struct regcache *regcache, int regnum,
|
|
int offset, int len, const void *buf);
|
|
|
|
int regcache_valid_p (struct regcache *regcache, int regnum);
|
|
|
|
/* Transfer a cooked register [0..NUM_REGS+NUM_PSEUDO_REGS). */
|
|
void regcache_cooked_read (struct regcache *regcache, int rawnum, void *buf);
|
|
void regcache_cooked_write (struct regcache *regcache, int rawnum,
|
|
const void *buf);
|
|
|
|
/* NOTE: cagney/2002-08-13: At present GDB has no reliable mechanism
|
|
for indicating when a ``cooked'' register was constructed from
|
|
invalid or unavailable ``raw'' registers. One fairly easy way of
|
|
adding such a mechanism would be for the cooked functions to return
|
|
a register valid indication. Given the possibility of such a
|
|
change, the extract functions below use a reference parameter,
|
|
rather than a function result. */
|
|
|
|
/* Read a register as a signed/unsigned quantity. */
|
|
extern void regcache_cooked_read_signed (struct regcache *regcache,
|
|
int regnum, LONGEST *val);
|
|
extern void regcache_cooked_read_unsigned (struct regcache *regcache,
|
|
int regnum, ULONGEST *val);
|
|
|
|
/* Partial transfer of a cooked register. These perform read, modify,
|
|
write style operations. */
|
|
|
|
void regcache_cooked_read_part (struct regcache *regcache, int regnum,
|
|
int offset, int len, void *buf);
|
|
void regcache_cooked_write_part (struct regcache *regcache, int regnum,
|
|
int offset, int len, const void *buf);
|
|
|
|
/* Transfer a raw register [0..NUM_REGS) between the regcache and the
|
|
target. These functions are called by the target in response to a
|
|
target_fetch_registers() or target_store_registers(). */
|
|
|
|
extern void supply_register (int regnum, const void *val);
|
|
extern void regcache_collect (int regnum, void *buf);
|
|
|
|
|
|
/* The register's ``offset''.
|
|
|
|
FIXME: cagney/2002-11-07: The get_saved_register() function, when
|
|
specifying the real location of a register, does so using that
|
|
registers offset in the register cache. That offset is then used
|
|
by valops.c to determine the location of the register. The code
|
|
should instead use the register's number and a location expression
|
|
to describe a value spread across multiple registers or memory. */
|
|
|
|
extern int register_offset_hack (struct gdbarch *gdbarch, int regnum);
|
|
|
|
|
|
/* The type of a register. This function is slightly more efficient
|
|
then its gdbarch vector counterpart since it returns a precomputed
|
|
value stored in a table.
|
|
|
|
NOTE: cagney/2002-08-17: The original macro was called
|
|
REGISTER_VIRTUAL_TYPE. This was because the register could have
|
|
different raw and cooked (nee virtual) representations. The
|
|
CONVERTABLE methods being used to convert between the two
|
|
representations. Current code does not do this. Instead, the
|
|
first [0..NUM_REGS) registers are 1:1 raw:cooked, and the type
|
|
exactly describes the register's representation. Consequently, the
|
|
``virtual'' has been dropped.
|
|
|
|
FIXME: cagney/2002-08-17: A number of architectures, including the
|
|
MIPS, are currently broken in this regard. */
|
|
|
|
extern struct type *register_type (struct gdbarch *gdbarch, int regnum);
|
|
|
|
|
|
/* Return the size of the largest register. Used when allocating
|
|
space for an aribtrary register value. */
|
|
|
|
extern int max_register_size (struct gdbarch *gdbarch);
|
|
|
|
|
|
/* Save/restore a register cache. The registers saved/restored is
|
|
determined by the save_reggroup and restore_reggroup (although you
|
|
can't restore a register that wasn't saved as well :-). You can
|
|
only save to a read-only cache (default from regcache_xmalloc())
|
|
from a live cache and you can only restore from a read-only cache
|
|
to a live cache. */
|
|
|
|
extern void regcache_save (struct regcache *dst, struct regcache *src);
|
|
extern void regcache_restore (struct regcache *dst, struct regcache *src);
|
|
|
|
/* Copy/duplicate the contents of a register cache. By default, the
|
|
operation is pass-through. Writes to DST and reads from SRC will
|
|
go through to the target.
|
|
|
|
The ``cpy'' functions can not have overlapping SRC and DST buffers.
|
|
|
|
``no passthrough'' versions do not go through to the target. They
|
|
only transfer values already in the cache. */
|
|
|
|
extern struct regcache *regcache_dup (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);
|
|
|
|
/* NOTE: cagney/2002-11-02: The below have been superseded by the
|
|
regcache_cooked_*() functions found above, and the frame_*()
|
|
functions found in "frame.h". Take care though, often more than a
|
|
simple substitution is required when updating the code. The
|
|
change, as far as practical, should avoid adding references to
|
|
global variables (e.g., current_regcache, current_frame,
|
|
current_gdbarch or deprecated_selected_frame) and instead refer to
|
|
the FRAME or REGCACHE that has been passed into the containing
|
|
function as parameters. Consequently, the change typically
|
|
involves modifying the containing function so that it takes a FRAME
|
|
or REGCACHE parameter. In the case of an architecture vector
|
|
method, there should already be a non-deprecated variant that is
|
|
parameterized with FRAME or REGCACHE. */
|
|
|
|
extern char *deprecated_grub_regcache_for_registers (struct regcache *);
|
|
extern char *deprecated_grub_regcache_for_register_valid (struct regcache *);
|
|
extern void deprecated_read_register_gen (int regnum, char *myaddr);
|
|
extern void deprecated_write_register_gen (int regnum, char *myaddr);
|
|
extern void deprecated_read_register_bytes (int regbyte, char *myaddr,
|
|
int len);
|
|
extern void deprecated_write_register_bytes (int regbyte, char *myaddr,
|
|
int len);
|
|
|
|
/* Character array containing the current state of each register
|
|
(unavailable<0, invalid=0, valid>0) for the most recently
|
|
referenced thread. This global is often found in close proximity
|
|
to code that is directly manipulating the deprecated_registers[]
|
|
array. In such cases, it should be possible to replace the lot
|
|
with a call to supply_register(). If you find yourself in dire
|
|
straits, still needing access to the cache status bit, the
|
|
regcache_valid_p() and set_register_cached() functions are
|
|
available. */
|
|
extern signed char *deprecated_register_valid;
|
|
|
|
/* Character array containing an image of the inferior programs'
|
|
registers for the most recently referenced thread.
|
|
|
|
NOTE: cagney/2002-11-14: Target side code should be using
|
|
supply_register() and/or regcache_collect() while architecture side
|
|
code should use the more generic regcache methods. */
|
|
|
|
extern char *deprecated_registers;
|
|
|
|
/* NOTE: cagney/2002-11-05: This function, and its co-conspirator
|
|
deprecated_registers[], have been superseeded by supply_register(). */
|
|
extern void deprecated_registers_fetched (void);
|
|
|
|
extern int register_cached (int regnum);
|
|
|
|
extern void set_register_cached (int regnum, int state);
|
|
|
|
extern void registers_changed (void);
|
|
|
|
|
|
/* Rename to read_unsigned_register()? */
|
|
extern ULONGEST read_register (int regnum);
|
|
|
|
/* Rename to read_unsigned_register_pid()? */
|
|
extern ULONGEST read_register_pid (int regnum, ptid_t ptid);
|
|
|
|
extern LONGEST read_signed_register (int regnum);
|
|
|
|
extern LONGEST read_signed_register_pid (int regnum, ptid_t ptid);
|
|
|
|
extern void write_register (int regnum, LONGEST val);
|
|
|
|
extern void write_register_pid (int regnum, CORE_ADDR val, ptid_t ptid);
|
|
|
|
#endif /* REGCACHE_H */
|