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2004-11-13 Andrew Cagney <cagney@gnu.org>

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* regcache.h (deprecated_register_valid): Delete.
	(deprecated_registers): Delete.
	* regcache.c (deprecated_register_valid): Delete.
	(deprecated_registers): Delete.
	(deprecated_read_register_byte, _initialize_regcache)
	(deprecated_write_register_bytes, build_regcache): Update.
	* config/powerpc/ppc-sim.mt (TDEPFILES): Remove ppc-bdm.o and
	remote-sds.o.
	* config/powerpc/ppc-eabi.mt (TDEPFILES): Ditto.
	* config/mips/embed.mt (TDEPFILES): Remove remote-mips.o.
This commit is contained in:
Andrew Cagney
2004-11-14 01:11:07 +00:00
parent 9445aa303f
commit 8851ec7ac2
6 changed files with 18 additions and 60 deletions
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36
gdb/regcache.c
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@ -400,23 +400,6 @@ struct regcache *current_regcache;
user). Therefore all registers must be written back to the
target when appropriate. */
/* REGISTERS contains the cached register values (in target byte order). */
char *deprecated_registers;
/* DEPRECATED_REGISTER_VALID is 0 if the register needs to be fetched,
1 if it has been fetched, and
-1 if the register value was not available.
"Not available" indicates that the target is not not able to supply
the register at this state. The register may become available at a
later time (after the next resume). This often occures when GDB is
manipulating a target that contains only a snapshot of the entire
system being debugged - some of the registers in such a system may
not have been saved. */
signed char *deprecated_register_valid;
/* The thread/process associated with the current set of registers. */
static ptid_t registers_ptid;
@ -434,7 +417,7 @@ static ptid_t registers_ptid;
int
register_cached (int regnum)
{
return deprecated_register_valid[regnum];
return current_regcache->register_valid_p[regnum];
}
/* Record that REGNUM's value is cached if STATE is >0, uncached but
@ -559,15 +542,6 @@ deprecated_read_register_bytes (int in_start, char *in_buf, int in_len)
if (REGISTER_NAME (regnum) != NULL && *REGISTER_NAME (regnum) != '\0')
/* Force the cache to fetch the entire register. */
deprecated_read_register_gen (regnum, reg_buf);
else
/* Legacy note: even though this register is ``invalid'' we
still need to return something. It would appear that some
code relies on apparent gaps in the register array also
being returned. */
/* FIXME: cagney/2001-08-18: This is just silly. It defeats
the entire register read/write flow of control. Must
resist temptation to return 0xdeadbeef. */
memcpy (reg_buf, &deprecated_registers[reg_start], reg_len);
/* Legacy note: This function, for some reason, allows a NULL
input buffer. If the buffer is NULL, the registers are still
@ -851,10 +825,6 @@ deprecated_write_register_bytes (int myregstart, char *myaddr, int inlen)
Update it from the target before scribbling on it. */
deprecated_read_register_gen (regnum, regbuf);
memcpy (&deprecated_registers[overlapstart],
myaddr + (overlapstart - myregstart),
overlapend - overlapstart);
target_store_registers (regnum);
}
}
@ -1178,8 +1148,6 @@ build_regcache (void)
{
current_regcache = regcache_xmalloc (current_gdbarch);
current_regcache->readonly_p = 0;
deprecated_registers = deprecated_grub_regcache_for_registers (current_regcache);
deprecated_register_valid = current_regcache->register_valid_p;
}
static void
@ -1442,8 +1410,6 @@ _initialize_regcache (void)
{
regcache_descr_handle = gdbarch_data_register_post_init (init_regcache_descr);
DEPRECATED_REGISTER_GDBARCH_SWAP (current_regcache);
DEPRECATED_REGISTER_GDBARCH_SWAP (deprecated_registers);
DEPRECATED_REGISTER_GDBARCH_SWAP (deprecated_register_valid);
deprecated_register_gdbarch_swap (NULL, 0, build_regcache);
observer_attach_target_changed (regcache_observer_target_changed);