FreeChainXenon/binutils-gdb
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

* i387-nat.c (i387_fill_fsave): Use regcache_collect.

Browse source 
(i387_fill_fxsave): Likewise.
This commit is contained in:
Mark Kettenis 2002-05-06 11:39:51 +00:00
parent b9a743c80b
commit 13e4998045
2 changed files with 20 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
gdb/ChangeLog
View file

@ -1,3 +1,8 @@
2002-05-06 Mark Kettenis <kettenis@gnu.org>
* i387-nat.c (i387_fill_fsave): Use regcache_collect.
(i387_fill_fxsave): Likewise.
2002-05-05 Alexandre Oliva <aoliva@redhat.com>
* alpha-tdep.c (alpha_extract_return_value): Don't use

25
gdb/i387-nat.c
View file

@ -116,23 +116,26 @@ i387_fill_fsave (char *fsave, int regnum)
if (i >= FPC_REGNUM
&& i != FIOFF_REGNUM && i != FOOFF_REGNUM)
{
char buf[4];
regcache_collect (i, buf);
if (i == FOP_REGNUM)
{
unsigned short oldval, newval;
/* The opcode occupies only 11 bits. */
oldval = (*(unsigned short *) (FSAVE_ADDR (fsave, i)));
newval = *(unsigned short *) &registers[REGISTER_BYTE (i)];
newval = *(unsigned short *) buf;
newval &= ((1 << 11) - 1);
newval |= oldval & ~((1 << 11) - 1);
memcpy (FSAVE_ADDR (fsave, i), &newval, 2);
}
else
memcpy (FSAVE_ADDR (fsave, i), &registers[REGISTER_BYTE (i)], 2);
memcpy (FSAVE_ADDR (fsave, i), buf, 2);
}
else
memcpy (FSAVE_ADDR (fsave, i), &registers[REGISTER_BYTE (i)],
REGISTER_RAW_SIZE (i));
regcache_collect (i, FSAVE_ADDR (fsave, i));
}
}
@ -255,13 +258,17 @@ i387_fill_fxsave (char *fxsave, int regnum)
if (i >= FPC_REGNUM && i < XMM0_REGNUM
&& i != FIOFF_REGNUM && i != FDOFF_REGNUM)
{
char buf[4];
regcache_collect (i, buf);
if (i == FOP_REGNUM)
{
unsigned short oldval, newval;
/* The opcode occupies only 11 bits. */
oldval = (*(unsigned short *) (FXSAVE_ADDR (fxsave, i)));
newval = *(unsigned short *) &registers[REGISTER_BYTE (i)];
newval = *(unsigned short *) buf;
newval &= ((1 << 11) - 1);
newval |= oldval & ~((1 << 11) - 1);
memcpy (FXSAVE_ADDR (fxsave, i), &newval, 2);
@ -274,7 +281,7 @@ i387_fill_fxsave (char *fxsave, int regnum)
unsigned short ftag;
int fpreg;
ftag = *(unsigned short *) &registers[REGISTER_BYTE (i)];
ftag = *(unsigned short *) buf;
for (fpreg = 7; fpreg >= 0; fpreg--)
{
@ -287,12 +294,10 @@ i387_fill_fxsave (char *fxsave, int regnum)
memcpy (FXSAVE_ADDR (fxsave, i), &val, 2);
}
else
memcpy (FXSAVE_ADDR (fxsave, i),
&registers[REGISTER_BYTE (i)], 2);
memcpy (FXSAVE_ADDR (fxsave, i), buf, 2);
}
else
memcpy (FXSAVE_ADDR (fxsave, i), &registers[REGISTER_BYTE (i)],
REGISTER_RAW_SIZE (i));
regcache_collect (i, FXSAVE_ADDR (fxsave, i));
}
}