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Setup_frame is now returning a success value.

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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2005-07-11 20:45:51 +00:00
parent b490ff4270
commit 129bc8f78b
4 changed files with 32 additions and 25 deletions
Download patch file Download diff file Expand all files Collapse all files

10
arch/mips/kernel/process.c
View file

@ -62,9 +62,9 @@ extern int do_signal32(sigset_t *oldset, struct pt_regs *regs);
/* /*
* Native o32 and N64 ABI without DSP ASE * Native o32 and N64 ABI without DSP ASE
*/ */
extern void setup_frame(struct k_sigaction * ka, struct pt_regs *regs, extern int setup_frame(struct k_sigaction * ka, struct pt_regs *regs,
int signr, sigset_t *set); int signr, sigset_t *set);
extern void setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs, extern int setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs,
int signr, sigset_t *set, siginfo_t *info); int signr, sigset_t *set, siginfo_t *info);
struct mips_abi mips_abi = { struct mips_abi mips_abi = {
@ -79,9 +79,9 @@ struct mips_abi mips_abi = {
/* /*
* o32 compatibility on 64-bit kernels, without DSP ASE * o32 compatibility on 64-bit kernels, without DSP ASE
*/ */
extern void setup_frame_32(struct k_sigaction * ka, struct pt_regs *regs, extern int setup_frame_32(struct k_sigaction * ka, struct pt_regs *regs,
int signr, sigset_t *set); int signr, sigset_t *set);
extern void setup_rt_frame_32(struct k_sigaction * ka, struct pt_regs *regs, extern int setup_rt_frame_32(struct k_sigaction * ka, struct pt_regs *regs,
int signr, sigset_t *set, siginfo_t *info); int signr, sigset_t *set, siginfo_t *info);
struct mips_abi mips_abi_32 = { struct mips_abi mips_abi_32 = {
@ -95,7 +95,7 @@ struct mips_abi mips_abi_32 = {
/* /*
* N32 on 64-bit kernels, without DSP ASE * N32 on 64-bit kernels, without DSP ASE
*/ */
extern void setup_rt_frame_n32(struct k_sigaction * ka, struct pt_regs *regs, extern int setup_rt_frame_n32(struct k_sigaction * ka, struct pt_regs *regs,
int signr, sigset_t *set, siginfo_t *info); int signr, sigset_t *set, siginfo_t *info);
struct mips_abi mips_abi_n32 = { struct mips_abi mips_abi_n32 = {

26
arch/mips/kernel/signal.c
View file

@ -278,7 +278,7 @@ badframe:
} }
#ifdef CONFIG_TRAD_SIGNALS #ifdef CONFIG_TRAD_SIGNALS
void setup_frame(struct k_sigaction * ka, struct pt_regs *regs, int setup_frame(struct k_sigaction * ka, struct pt_regs *regs,
int signr, sigset_t *set) int signr, sigset_t *set)
{ {
struct sigframe *frame; struct sigframe *frame;
@ -317,14 +317,15 @@ void setup_frame(struct k_sigaction * ka, struct pt_regs *regs,
current->comm, current->pid, current->comm, current->pid,
frame, regs->cp0_epc, frame->regs[31]); frame, regs->cp0_epc, frame->regs[31]);
#endif #endif
return; return 1;
give_sigsegv: give_sigsegv:
force_sigsegv(signr, current); force_sigsegv(signr, current);
return 0;
} }
#endif #endif
void setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs, int setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs,
int signr, sigset_t *set, siginfo_t *info) int signr, sigset_t *set, siginfo_t *info)
{ {
struct rt_sigframe *frame; struct rt_sigframe *frame;
@ -376,18 +377,21 @@ void setup_rt_frame(struct k_sigaction * ka, struct pt_regs *regs,
current->comm, current->pid, current->comm, current->pid,
frame, regs->cp0_epc, regs->regs[31]); frame, regs->cp0_epc, regs->regs[31]);
#endif #endif
return; return 1;
give_sigsegv: give_sigsegv:
force_sigsegv(signr, current); force_sigsegv(signr, current);
return 0;
} }
extern void setup_rt_frame_n32(struct k_sigaction * ka, extern void setup_rt_frame_n32(struct k_sigaction * ka,
struct pt_regs *regs, int signr, sigset_t *set, siginfo_t *info); struct pt_regs *regs, int signr, sigset_t *set, siginfo_t *info);
static inline void handle_signal(unsigned long sig, siginfo_t *info, static inline int handle_signal(unsigned long sig, siginfo_t *info,
struct k_sigaction *ka, sigset_t *oldset, struct pt_regs *regs) struct k_sigaction *ka, sigset_t *oldset, struct pt_regs *regs)
{ {
int ret;
switch(regs->regs[0]) { switch(regs->regs[0]) {
case ERESTART_RESTARTBLOCK: case ERESTART_RESTARTBLOCK:
case ERESTARTNOHAND: case ERESTARTNOHAND:
@ -407,9 +411,9 @@ static inline void handle_signal(unsigned long sig, siginfo_t *info,
regs->regs[0] = 0; /* Don't deal with this again. */ regs->regs[0] = 0; /* Don't deal with this again. */
if (sig_uses_siginfo(ka)) if (sig_uses_siginfo(ka))
current->thread.abi->setup_rt_frame(ka, regs, sig, oldset, info); ret = current->thread.abi->setup_rt_frame(ka, regs, sig, oldset, info);
else else
current->thread.abi->setup_frame(ka, regs, sig, oldset); ret = current->thread.abi->setup_frame(ka, regs, sig, oldset);
spin_lock_irq(&current->sighand->siglock); spin_lock_irq(&current->sighand->siglock);
sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask); sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
@ -417,6 +421,8 @@ static inline void handle_signal(unsigned long sig, siginfo_t *info,
sigaddset(&current->blocked,sig); sigaddset(&current->blocked,sig);
recalc_sigpending(); recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock); spin_unlock_irq(&current->sighand->siglock);
return ret;
} }
int do_signal(sigset_t *oldset, struct pt_regs *regs) int do_signal(sigset_t *oldset, struct pt_regs *regs)
@ -440,10 +446,8 @@ int do_signal(sigset_t *oldset, struct pt_regs *regs)
oldset = &current->blocked; oldset = &current->blocked;
signr = get_signal_to_deliver(&info, &ka, regs, NULL); signr = get_signal_to_deliver(&info, &ka, regs, NULL);
if (signr > 0) { if (signr > 0)
handle_signal(signr, &info, &ka, oldset, regs); return handle_signal(signr, &info, &ka, oldset, regs);
return 1;
}
no_signal: no_signal:
/* /*

16
arch/mips/kernel/signal32.c
View file

@ -769,9 +769,11 @@ give_sigsegv:
force_sigsegv(signr, current); force_sigsegv(signr, current);
} }
static inline void handle_signal(unsigned long sig, siginfo_t *info, static inline int handle_signal(unsigned long sig, siginfo_t *info,
struct k_sigaction *ka, sigset_t *oldset, struct pt_regs * regs) struct k_sigaction *ka, sigset_t *oldset, struct pt_regs * regs)
{ {
int ret;
switch (regs->regs[0]) { switch (regs->regs[0]) {
case ERESTART_RESTARTBLOCK: case ERESTART_RESTARTBLOCK:
case ERESTARTNOHAND: case ERESTARTNOHAND:
@ -791,9 +793,9 @@ static inline void handle_signal(unsigned long sig, siginfo_t *info,
regs->regs[0] = 0; /* Don't deal with this again. */ regs->regs[0] = 0; /* Don't deal with this again. */
if (ka->sa.sa_flags & SA_SIGINFO) if (ka->sa.sa_flags & SA_SIGINFO)
current->thread.abi->setup_rt_frame(ka, regs, sig, oldset, info); ret = current->thread.abi->setup_rt_frame(ka, regs, sig, oldset, info);
else else
current->thread.abi->setup_frame(ka, regs, sig, oldset); ret = current->thread.abi->setup_frame(ka, regs, sig, oldset);
spin_lock_irq(&current->sighand->siglock); spin_lock_irq(&current->sighand->siglock);
sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask); sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
@ -801,6 +803,8 @@ static inline void handle_signal(unsigned long sig, siginfo_t *info,
sigaddset(&current->blocked,sig); sigaddset(&current->blocked,sig);
recalc_sigpending(); recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock); spin_unlock_irq(&current->sighand->siglock);
return ret;
} }
int do_signal32(sigset_t *oldset, struct pt_regs *regs) int do_signal32(sigset_t *oldset, struct pt_regs *regs)
@ -824,10 +828,8 @@ int do_signal32(sigset_t *oldset, struct pt_regs *regs)
oldset = &current->blocked; oldset = &current->blocked;
signr = get_signal_to_deliver(&info, &ka, regs, NULL); signr = get_signal_to_deliver(&info, &ka, regs, NULL);
if (signr > 0) { if (signr > 0)
handle_signal(signr, &info, &ka, oldset, regs); return handle_signal(signr, &info, &ka, oldset, regs);
return 1;
}
no_signal: no_signal:
/* /*

5
arch/mips/kernel/signal_n32.c
View file

@ -130,7 +130,7 @@ badframe:
force_sig(SIGSEGV, current); force_sig(SIGSEGV, current);
} }
void setup_rt_frame_n32(struct k_sigaction * ka, int setup_rt_frame_n32(struct k_sigaction * ka,
struct pt_regs *regs, int signr, sigset_t *set, siginfo_t *info) struct pt_regs *regs, int signr, sigset_t *set, siginfo_t *info)
{ {
struct rt_sigframe_n32 *frame; struct rt_sigframe_n32 *frame;
@ -184,8 +184,9 @@ void setup_rt_frame_n32(struct k_sigaction * ka,
current->comm, current->pid, current->comm, current->pid,
frame, regs->cp0_epc, regs->regs[31]); frame, regs->cp0_epc, regs->regs[31]);
#endif #endif
return; return 1;
give_sigsegv: give_sigsegv:
force_sigsegv(signr, current); force_sigsegv(signr, current);
return 0;
} }