diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/i386/i386/process_machdep.c | 70 |
1 files changed, 35 insertions, 35 deletions
diff --git a/sys/arch/i386/i386/process_machdep.c b/sys/arch/i386/i386/process_machdep.c index c92332cb55a..bac70649d09 100644 --- a/sys/arch/i386/i386/process_machdep.c +++ b/sys/arch/i386/i386/process_machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: process_machdep.c,v 1.21 2006/09/19 11:06:33 jsg Exp $ */ +/* $OpenBSD: process_machdep.c,v 1.22 2007/05/08 20:26:54 deraadt Exp $ */ /* $NetBSD: process_machdep.c,v 1.22 1996/05/03 19:42:25 christos Exp $ */ /* @@ -132,40 +132,6 @@ process_xmm_to_s87(const struct savexmm *sxmm, struct save87 *s87) } void -process_s87_to_xmm(const struct save87 *s87, struct savexmm *sxmm) -{ - int i; - - /* FPU control/status */ - sxmm->sv_env.en_cw = s87->sv_env.en_cw; - sxmm->sv_env.en_sw = s87->sv_env.en_sw; - /* tag word handled below */ - sxmm->sv_env.en_fip = s87->sv_env.en_fip; - sxmm->sv_env.en_fcs = s87->sv_env.en_fcs; - sxmm->sv_env.en_opcode = s87->sv_env.en_opcode; - sxmm->sv_env.en_foo = s87->sv_env.en_foo; - sxmm->sv_env.en_fos = s87->sv_env.en_fos; - - /* Tag word and registers. */ - for (i = 0; i < 8; i++) { - if (((s87->sv_env.en_tw >> (i * 2)) & 3) == 3) - sxmm->sv_env.en_tw &= ~(1U << i); - else - sxmm->sv_env.en_tw |= (1U << i); - - if (((s87->sv_ex_tw >> (i * 2)) & 3) == 3) - sxmm->sv_ex_tw &= ~(1U << i); - else - sxmm->sv_ex_tw |= (1U << i); - - memcpy(&sxmm->sv_ac[i].fp_bytes, &s87->sv_ac[i].fp_bytes, - sizeof(sxmm->sv_ac[i].fp_bytes)); - } - - sxmm->sv_ex_sw = s87->sv_ex_sw; -} - -void process_fninit_xmm(struct savexmm *sxmm) { /* @@ -261,6 +227,40 @@ process_read_fpregs(struct proc *p, struct fpreg *regs) #ifdef PTRACE +void +process_s87_to_xmm(const struct save87 *s87, struct savexmm *sxmm) +{ + int i; + + /* FPU control/status */ + sxmm->sv_env.en_cw = s87->sv_env.en_cw; + sxmm->sv_env.en_sw = s87->sv_env.en_sw; + /* tag word handled below */ + sxmm->sv_env.en_fip = s87->sv_env.en_fip; + sxmm->sv_env.en_fcs = s87->sv_env.en_fcs; + sxmm->sv_env.en_opcode = s87->sv_env.en_opcode; + sxmm->sv_env.en_foo = s87->sv_env.en_foo; + sxmm->sv_env.en_fos = s87->sv_env.en_fos; + + /* Tag word and registers. */ + for (i = 0; i < 8; i++) { + if (((s87->sv_env.en_tw >> (i * 2)) & 3) == 3) + sxmm->sv_env.en_tw &= ~(1U << i); + else + sxmm->sv_env.en_tw |= (1U << i); + + if (((s87->sv_ex_tw >> (i * 2)) & 3) == 3) + sxmm->sv_ex_tw &= ~(1U << i); + else + sxmm->sv_ex_tw |= (1U << i); + + memcpy(&sxmm->sv_ac[i].fp_bytes, &s87->sv_ac[i].fp_bytes, + sizeof(sxmm->sv_ac[i].fp_bytes)); + } + + sxmm->sv_ex_sw = s87->sv_ex_sw; +} + int process_write_regs(struct proc *p, struct reg *regs) { |