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Apply missing bits of 2002-01-15 patch.

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* i386v4-nat.c (supply_fpregset): Use i387_supply_fsave.
(fill_fpregset): Use i387_fill_fsave.
This commit is contained in:
Mark Kettenis 2002-02-13 08:10:30 +00:00
parent 49b563f9d8
commit 34588f232a
2 changed files with 8 additions and 71 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2002-02-13 Mark Kettenis <kettenis@gnu.org>
Apply missing bits of 2002-01-15 patch.
* i386v4-nat.c (supply_fpregset): Use i387_supply_fsave.
(fill_fpregset): Use i387_fill_fsave.
2002-02-12 Keith Seitz <keiths@redhat.com>
* defs.h (core_addr_to_string_nz): New function.

73
gdb/i386v4-nat.c
View File

@ -152,57 +152,17 @@ fill_gregset (gregset_t *gregsetp, int regno)
idea of the current floating point register values. */
/* FIXME: Assumes that fpregsetp contains an i387 FSAVE area. */
static const int freg_offset_map[] =
{
#if !defined(FPREGSET_FSAVE_OFFSET)
#define FPREGSET_FSAVE_OFFSET 0
#endif
FPREGSET_FSAVE_OFFSET + 28 + 0 * 10,
FPREGSET_FSAVE_OFFSET + 28 + 1 * 10,
FPREGSET_FSAVE_OFFSET + 28 + 2 * 10,
FPREGSET_FSAVE_OFFSET + 28 + 3 * 10,
FPREGSET_FSAVE_OFFSET + 28 + 4 * 10,
FPREGSET_FSAVE_OFFSET + 28 + 5 * 10,
FPREGSET_FSAVE_OFFSET + 28 + 6 * 10,
FPREGSET_FSAVE_OFFSET + 28 + 7 * 10,
FPREGSET_FSAVE_OFFSET + 0,
FPREGSET_FSAVE_OFFSET + 4,
FPREGSET_FSAVE_OFFSET + 8,
FPREGSET_FSAVE_OFFSET + 16,
FPREGSET_FSAVE_OFFSET + 12,
FPREGSET_FSAVE_OFFSET + 24,
FPREGSET_FSAVE_OFFSET + 20,
FPREGSET_FSAVE_OFFSET + 16
};
void
supply_fpregset (fpregset_t *fpregsetp)
{
int regi;
if (NUM_FREGS == 0)
return;
for (regi = FP0_REGNUM; regi <= LAST_FPU_CTRL_REGNUM; regi++)
{
char tbuf[4];
ULONGEST tval;
char *from = (char *) fpregsetp + freg_offset_map[regi - FP0_REGNUM];
if (regi == FCS_REGNUM)
{
tval = extract_unsigned_integer (from, 4) & 0xffff;
store_unsigned_integer (tbuf, 4, tval);
supply_register (regi, tbuf);
}
else if (regi == FOP_REGNUM)
{
tval = (extract_unsigned_integer (from, 4) >> 16) & ((1 << 11) - 1);
store_unsigned_integer (tbuf, 4, tval);
supply_register (regi, tbuf);
}
else
supply_register (regi, from);
}
i387_supply_fsave ((char *) fpregsetp + FPREGSET_FSAVE_OFFSET);
}
/* Given a pointer to a floating point register set in /proc format
@ -213,39 +173,10 @@ supply_fpregset (fpregset_t *fpregsetp)
void
fill_fpregset (fpregset_t *fpregsetp, int regno)
{
int regi;
if (NUM_FREGS == 0)
return;
for (regi = FP0_REGNUM; regi <= LAST_FPU_CTRL_REGNUM; regi++)
{
if ((regno == -1) || (regno == regi))
{
char *to = (char *) fpregsetp + freg_offset_map[regi - FP0_REGNUM];
char *from = (char *) &registers[REGISTER_BYTE (regi)];
ULONGEST valto;
ULONGEST valfrom;
if (regi == FCS_REGNUM)
{
valto = extract_unsigned_integer (to, 4);
valfrom = extract_unsigned_integer (from, 4);
valto = (valto & ~0xffff) | (valfrom & 0xffff);
store_unsigned_integer (to, 4, valto);
}
else if (regi == FOP_REGNUM)
{
valto = extract_unsigned_integer (to, 4);
valfrom = extract_unsigned_integer (from, 4);
valto = (valto & 0xffff) | ((valfrom & ((1 << 11) - 1)) << 16);
store_unsigned_integer (to, 4, valto);
}
else
{
memcpy (to, from, REGISTER_RAW_SIZE (regi));
}
}
}
i387_fill_fsave ((char *) fpregsetp + FPREGSET_FSAVE_OFFSET, regno);
}
#endif /* defined (HAVE_FPREGSET_T) */