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Save/restore only the FP register file as far as the 32-bit environment 

is concerned; in particular, don't overrun the [mu]context.
This commit is contained in:
kleink 2001-06-17 13:10:05 +00:00
parent b687a173a9
commit db52b31344
1 changed files with 5 additions and 3 deletions
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8
sys/arch/sparc64/sparc64/svr4_32_machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: svr4_32_machdep.c,v 1.3 2001/05/11 17:37:15 kleink Exp $ */
/* $NetBSD: svr4_32_machdep.c,v 1.4 2001/06/17 13:10:05 kleink Exp $ */
/*-
* Copyright (c) 1994 The NetBSD Foundation, Inc.
@ -180,7 +180,8 @@ svr4_32_getmcontext(p, mc, flags)
/*
* Get the floating point registers
*/
bcopy(fps->fs_regs, f->fpu_regs, sizeof(fps->fs_regs));
/* Note: copies only pre-v9 floating point registers. */
bcopy(fps->fs_regs, f->fpu_regs, sizeof(f->fpu_regs));
f->fp_nqsize = sizeof(struct fp_qentry);
f->fp_nqel = fps->fs_qsize;
f->fp_fsr = fps->fs_fsr;
@ -309,7 +310,8 @@ svr4_32_setmcontext(p, mc, flags)
#endif
return EINVAL;
}
bcopy(f->fpu_regs, fps->fs_regs, sizeof(fps->fs_regs));
/* Note: touches only pre-v9 floating point registers. */
bcopy(f->fpu_regs, fps->fs_regs, sizeof(f->fpu_regs));
fps->fs_qsize = f->fp_nqel;
fps->fs_fsr = f->fp_fsr;
if (f->fp_q != 0) {