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* regcache.c (register_buffer): Consitify first argument.

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(regcache_raw_supply, regcache_raw_collect): New
functions.
This commit is contained in:
Mark Kettenis 2003-08-29 09:59:28 +00:00
parent 71df864f7b
commit 9a661b68d1
3 changed files with 64 additions and 1 deletions
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6
gdb/ChangeLog
View file

@ -1,3 +1,9 @@
2003-08-28 Mark Kettenis <kettenis@gnu.org>
* regcache.c (register_buffer): Consitify first argument.
(regcache_raw_supply, regcache_raw_collect): New
functions.
2003-08-28 Daniel Jacobowitz <drow@mvista.com>
* config/powerpc/tm-nbsd.h: Undefine IBM6000_TARGET. Suggested

55
gdb/regcache.c
View file

@ -345,7 +345,7 @@ make_cleanup_regcache_xfree (struct regcache *regcache)
/* Return a pointer to register REGNUM's buffer cache. */
static char *
register_buffer (struct regcache *regcache, int regnum)
register_buffer (const struct regcache *regcache, int regnum)
{
return regcache->registers + regcache->descr->register_offset[regnum];
}
@ -1201,6 +1201,10 @@ write_register_pid (int regnum, CORE_ADDR val, ptid_t ptid)
inferior_ptid = save_ptid;
}
/* FIXME: kettenis/20030828: We should get rid of supply_register and
regcache_collect in favour of regcache_raw_supply and
regcache_raw_collect. */
/* SUPPLY_REGISTER()
Record that register REGNUM contains VAL. This is used when the
@ -1252,6 +1256,55 @@ regcache_collect (int regnum, void *buf)
REGISTER_RAW_SIZE (regnum));
}
/* Supply register REGNUM, whose contents are store in BUF, to REGCACHE. */
void
regcache_raw_supply (struct regcache *regcache, int regnum, const void *buf)
{
void *regbuf;
size_t size;
gdb_assert (regcache != NULL && buf != NULL);
gdb_assert (regnum >= 0 && regnum < regcache->descr->nr_raw_registers);
gdb_assert (!regcache->readonly_p);
/* FIXME: kettenis/20030828: It shouldn't be necessary to handle
CURRENT_REGCACHE specially here. */
if (regcache == current_regcache
&& !ptid_equal (registers_ptid, inferior_ptid))
{
registers_changed ();
registers_ptid = inferior_ptid;
}
regbuf = register_buffer (regcache, regnum);
size = regcache->descr->sizeof_register[regnum];
if (buf)
memcpy (regbuf, buf, size);
else
memset (regbuf, 0, size);
/* Mark the register as cached. */
regcache->register_valid_p[regnum] = 1;
}
/* Collect register REGNUM from REGCACHE and store its contents in BUF. */
void
regcache_raw_collect (const struct regcache *regcache, int regnum, void *buf)
{
const void *regbuf;
size_t size;
gdb_assert (regcache != NULL && buf != NULL);
gdb_assert (regnum >= 0 && regnum < regcache->descr->nr_raw_registers);
regbuf = register_buffer (regcache, regnum);
size = regcache->descr->sizeof_register[regnum];
memcpy (buf, regbuf, size);
}
/* read_pc, write_pc, read_sp, deprecated_read_fp, etc. Special
handling for registers PC, SP, and FP. */

4
gdb/regcache.h
View file

@ -94,6 +94,10 @@ void regcache_cooked_write_part (struct regcache *regcache, int regnum,
extern void supply_register (int regnum, const void *val);
extern void regcache_collect (int regnum, void *buf);
extern void regcache_raw_supply (struct regcache *regcache,
int regnum, const void *buf);
extern void regcache_raw_collect (const struct regcache *regcache,
int regnum, void *buf);
/* The register's ``offset''.