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Re: Additional patches for UnixWare {2.1.3,7.1.0} support
- From: rbrown64 at csc dot com dot au
- To: Mark Kettenis <kettenis at science dot uva dot nl>
- Cc: gdb-patches at sources dot redhat dot com
- Date: Wed, 13 Feb 2002 15:07:50 +1100
- Subject: Re: Additional patches for UnixWare {2.1.3,7.1.0} support
Please apply the i387_*_fsave parts of the patch to i386v4-nat.c .
--- i386v4-nat.c.orig Thu Jan 31 09:32:37 2002
+++ i386v4-nat.c Wed Feb 13 15:11:07 2002
@@ -152,28 +152,9 @@
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)
@@ -182,27 +163,7 @@
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
@@ -217,35 +178,7 @@
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 *) ®isters[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) */
Mark Kettenis <kettenis@science.uva.nl> on 27/01/2002 04:03:33
To: rbrown64@csc.com.au
cc: gdb-patches@sources.redhat.com
Subject: Re: Additional patches for UnixWare {2.1.3,7.1.0} support
rbrown64@csc.com.au writes:
> 2002-01-15 Rodney Brown <rbrown64@csc.com.au>
>
> * config/i386/tm-i386v4.h: Define HAVE_I387_REGS.
> * config/i386/i386v42mp.mh: Add i387-nat.o .
> * i386v4-nat.c: Include i387-nat.h.
> (supply_fpregset): Use i387_supply_fsave.
> (fill_fpregset): Use i387_fill_fsave.
> * procfs.c(procfs_do_thread_registers): Use elfcore_write_pstatus
> if pstatus_t is available.
Sorry for the delay, but the i386 bits of these patch are approved.
Mark