aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--linux-user/signal.c43
1 files changed, 11 insertions, 32 deletions
diff --git a/linux-user/signal.c b/linux-user/signal.c
index 0601a34f0e..2aad2ab5f4 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -536,15 +536,12 @@ setup_sigcontext(struct target_sigcontext *sc, struct target_fpstate *fpstate,
err |= __put_user(env->eflags, &sc->eflags);
err |= __put_user(env->regs[R_ESP], &sc->esp_at_signal);
err |= __put_user(env->segs[R_SS], (unsigned int *)&sc->ss);
-#if 0
- tmp = save_i387(fpstate);
- if (tmp < 0)
- err = 1;
- else
- err |= __put_user(tmp ? fpstate : NULL, &sc->fpstate);
-#else
- err |= __put_user(0, &sc->fpstate);
-#endif
+
+ cpu_x86_fsave(env, (void *)fpstate, 1);
+ fpstate->status = fpstate->sw;
+ err |= __put_user(0xffff, &fpstate->magic);
+ err |= __put_user(fpstate, &sc->fpstate);
+
/* non-iBCS2 extensions.. */
err |= __put_user(mask, &sc->oldmask);
err |= __put_user(env->cr2, &sc->cr2);
@@ -721,25 +718,6 @@ restore_sigcontext(CPUX86State *env, struct target_sigcontext *sc, int *peax)
{
unsigned int err = 0;
-
-
-#define COPY(x) err |= __get_user(regs->x, &sc->x)
-
-#define COPY_SEG(seg) \
- { unsigned short tmp; \
- err |= __get_user(tmp, &sc->seg); \
- regs->x##seg = tmp; }
-
-#define COPY_SEG_STRICT(seg) \
- { unsigned short tmp; \
- err |= __get_user(tmp, &sc->seg); \
- regs->x##seg = tmp|3; }
-
-#define GET_SEG(seg) \
- { unsigned short tmp; \
- err |= __get_user(tmp, &sc->seg); \
- loadsegment(seg,tmp); }
-
cpu_x86_load_seg(env, R_GS, lduw(&sc->gs));
cpu_x86_load_seg(env, R_FS, lduw(&sc->fs));
cpu_x86_load_seg(env, R_ES, lduw(&sc->es));
@@ -764,17 +742,18 @@ restore_sigcontext(CPUX86State *env, struct target_sigcontext *sc, int *peax)
// regs->orig_eax = -1; /* disable syscall checks */
}
-#if 0
{
struct _fpstate * buf;
- err |= __get_user(buf, &sc->fpstate);
+ buf = (void *)ldl(&sc->fpstate);
if (buf) {
+#if 0
if (verify_area(VERIFY_READ, buf, sizeof(*buf)))
goto badframe;
- err |= restore_i387(buf);
+#endif
+ cpu_x86_frstor(env, (void *)buf, 1);
}
}
-#endif
+
*peax = ldl(&sc->eax);
return err;
#if 0