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Diffstat (limited to 'arch/um/os-Linux/signal.c')
-rw-r--r--arch/um/os-Linux/signal.c28
1 files changed, 20 insertions, 8 deletions
diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c
index 7801666514ed..8acaf4e384c0 100644
--- a/arch/um/os-Linux/signal.c
+++ b/arch/um/os-Linux/signal.c
@@ -29,23 +29,29 @@ void (*sig_info[NSIG])(int, struct siginfo *, struct uml_pt_regs *) = {
static void sig_handler_common(int sig, struct siginfo *si, mcontext_t *mc)
{
- struct uml_pt_regs r;
+ struct uml_pt_regs *r;
int save_errno = errno;
- r.is_user = 0;
+ r = malloc(sizeof(struct uml_pt_regs));
+ if (!r)
+ panic("out of memory");
+
+ r->is_user = 0;
if (sig == SIGSEGV) {
/* For segfaults, we want the data from the sigcontext. */
- get_regs_from_mc(&r, mc);
- GET_FAULTINFO_FROM_MC(r.faultinfo, mc);
+ get_regs_from_mc(r, mc);
+ GET_FAULTINFO_FROM_MC(r->faultinfo, mc);
}
/* enable signals if sig isn't IRQ signal */
if ((sig != SIGIO) && (sig != SIGWINCH) && (sig != SIGALRM))
unblock_signals();
- (*sig_info[sig])(sig, si, &r);
+ (*sig_info[sig])(sig, si, r);
errno = save_errno;
+
+ free(r);
}
/*
@@ -83,11 +89,17 @@ void sig_handler(int sig, struct siginfo *si, mcontext_t *mc)
static void timer_real_alarm_handler(mcontext_t *mc)
{
- struct uml_pt_regs regs;
+ struct uml_pt_regs *regs;
+
+ regs = malloc(sizeof(struct uml_pt_regs));
+ if (!regs)
+ panic("out of memory");
if (mc != NULL)
- get_regs_from_mc(&regs, mc);
- timer_handler(SIGALRM, NULL, &regs);
+ get_regs_from_mc(regs, mc);
+ timer_handler(SIGALRM, NULL, regs);
+
+ free(regs);
}
void timer_alarm_handler(int sig, struct siginfo *unused_si, mcontext_t *mc)