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Diffstat (limited to 'arch/sparc/kernel/traps_32.c')
-rw-r--r--arch/sparc/kernel/traps_32.c104
1 files changed, 20 insertions, 84 deletions
diff --git a/arch/sparc/kernel/traps_32.c b/arch/sparc/kernel/traps_32.c
index b1ed763e47877..bcdfc6168dd58 100644
--- a/arch/sparc/kernel/traps_32.c
+++ b/arch/sparc/kernel/traps_32.c
@@ -93,8 +93,6 @@ void __noreturn die_if_kernel(char *str, struct pt_regs *regs)
void do_hw_interrupt(struct pt_regs *regs, unsigned long type)
{
- siginfo_t info;
-
if(type < 0x80) {
/* Sun OS's puke from bad traps, Linux survives! */
printk("Unimplemented Sparc TRAP, type = %02lx\n", type);
@@ -104,19 +102,13 @@ void do_hw_interrupt(struct pt_regs *regs, unsigned long type)
if(regs->psr & PSR_PS)
die_if_kernel("Kernel bad trap", regs);
- info.si_signo = SIGILL;
- info.si_errno = 0;
- info.si_code = ILL_ILLTRP;
- info.si_addr = (void __user *)regs->pc;
- info.si_trapno = type - 0x80;
- force_sig_info(SIGILL, &info, current);
+ force_sig_fault(SIGILL, ILL_ILLTRP,
+ (void __user *)regs->pc, type - 0x80, current);
}
void do_illegal_instruction(struct pt_regs *regs, unsigned long pc, unsigned long npc,
unsigned long psr)
{
- siginfo_t info;
-
if(psr & PSR_PS)
die_if_kernel("Kernel illegal instruction", regs);
#ifdef TRAP_DEBUG
@@ -124,27 +116,15 @@ void do_illegal_instruction(struct pt_regs *regs, unsigned long pc, unsigned lon
regs->pc, *(unsigned long *)regs->pc);
#endif
- info.si_signo = SIGILL;
- info.si_errno = 0;
- info.si_code = ILL_ILLOPC;
- info.si_addr = (void __user *)pc;
- info.si_trapno = 0;
- send_sig_info(SIGILL, &info, current);
+ send_sig_fault(SIGILL, ILL_ILLOPC, (void __user *)pc, 0, current);
}
void do_priv_instruction(struct pt_regs *regs, unsigned long pc, unsigned long npc,
unsigned long psr)
{
- siginfo_t info;
-
if(psr & PSR_PS)
die_if_kernel("Penguin instruction from Penguin mode??!?!", regs);
- info.si_signo = SIGILL;
- info.si_errno = 0;
- info.si_code = ILL_PRVOPC;
- info.si_addr = (void __user *)pc;
- info.si_trapno = 0;
- send_sig_info(SIGILL, &info, current);
+ send_sig_fault(SIGILL, ILL_PRVOPC, (void __user *)pc, 0, current);
}
/* XXX User may want to be allowed to do this. XXX */
@@ -152,8 +132,6 @@ void do_priv_instruction(struct pt_regs *regs, unsigned long pc, unsigned long n
void do_memaccess_unaligned(struct pt_regs *regs, unsigned long pc, unsigned long npc,
unsigned long psr)
{
- siginfo_t info;
-
if(regs->psr & PSR_PS) {
printk("KERNEL MNA at pc %08lx npc %08lx called by %08lx\n", pc, npc,
regs->u_regs[UREG_RETPC]);
@@ -165,12 +143,9 @@ void do_memaccess_unaligned(struct pt_regs *regs, unsigned long pc, unsigned lon
instruction_dump ((unsigned long *) regs->pc);
printk ("do_MNA!\n");
#endif
- info.si_signo = SIGBUS;
- info.si_errno = 0;
- info.si_code = BUS_ADRALN;
- info.si_addr = /* FIXME: Should dig out mna address */ (void *)0;
- info.si_trapno = 0;
- send_sig_info(SIGBUS, &info, current);
+ send_sig_fault(SIGBUS, BUS_ADRALN,
+ /* FIXME: Should dig out mna address */ (void *)0,
+ 0, current);
}
static unsigned long init_fsr = 0x0UL;
@@ -226,9 +201,9 @@ void do_fpe_trap(struct pt_regs *regs, unsigned long pc, unsigned long npc,
unsigned long psr)
{
static int calls;
- siginfo_t info;
unsigned long fsr;
int ret = 0;
+ int code;
#ifndef CONFIG_SMP
struct task_struct *fpt = last_task_used_math;
#else
@@ -303,24 +278,20 @@ void do_fpe_trap(struct pt_regs *regs, unsigned long pc, unsigned long npc,
}
fsr = fpt->thread.fsr;
- info.si_signo = SIGFPE;
- info.si_errno = 0;
- info.si_addr = (void __user *)pc;
- info.si_trapno = 0;
- info.si_code = FPE_FIXME;
+ code = FPE_FLTUNK;
if ((fsr & 0x1c000) == (1 << 14)) {
if (fsr & 0x10)
- info.si_code = FPE_FLTINV;
+ code = FPE_FLTINV;
else if (fsr & 0x08)
- info.si_code = FPE_FLTOVF;
+ code = FPE_FLTOVF;
else if (fsr & 0x04)
- info.si_code = FPE_FLTUND;
+ code = FPE_FLTUND;
else if (fsr & 0x02)
- info.si_code = FPE_FLTDIV;
+ code = FPE_FLTDIV;
else if (fsr & 0x01)
- info.si_code = FPE_FLTRES;
+ code = FPE_FLTRES;
}
- send_sig_info(SIGFPE, &info, fpt);
+ send_sig_fault(SIGFPE, code, (void __user *)pc, 0, fpt);
#ifndef CONFIG_SMP
last_task_used_math = NULL;
#endif
@@ -332,16 +303,9 @@ void do_fpe_trap(struct pt_regs *regs, unsigned long pc, unsigned long npc,
void handle_tag_overflow(struct pt_regs *regs, unsigned long pc, unsigned long npc,
unsigned long psr)
{
- siginfo_t info;
-
if(psr & PSR_PS)
die_if_kernel("Penguin overflow trap from kernel mode", regs);
- info.si_signo = SIGEMT;
- info.si_errno = 0;
- info.si_code = EMT_TAGOVF;
- info.si_addr = (void __user *)pc;
- info.si_trapno = 0;
- send_sig_info(SIGEMT, &info, current);
+ send_sig_fault(SIGEMT, EMT_TAGOVF, (void __user *)pc, 0, current);
}
void handle_watchpoint(struct pt_regs *regs, unsigned long pc, unsigned long npc,
@@ -359,61 +323,33 @@ void handle_watchpoint(struct pt_regs *regs, unsigned long pc, unsigned long npc
void handle_reg_access(struct pt_regs *regs, unsigned long pc, unsigned long npc,
unsigned long psr)
{
- siginfo_t info;
-
#ifdef TRAP_DEBUG
printk("Register Access Exception at PC %08lx NPC %08lx PSR %08lx\n",
pc, npc, psr);
#endif
- info.si_signo = SIGBUS;
- info.si_errno = 0;
- info.si_code = BUS_OBJERR;
- info.si_addr = (void __user *)pc;
- info.si_trapno = 0;
- force_sig_info(SIGBUS, &info, current);
+ force_sig_fault(SIGBUS, BUS_OBJERR, (void __user *)pc, 0, current);
}
void handle_cp_disabled(struct pt_regs *regs, unsigned long pc, unsigned long npc,
unsigned long psr)
{
- siginfo_t info;
-
- info.si_signo = SIGILL;
- info.si_errno = 0;
- info.si_code = ILL_COPROC;
- info.si_addr = (void __user *)pc;
- info.si_trapno = 0;
- send_sig_info(SIGILL, &info, current);
+ send_sig_fault(SIGILL, ILL_COPROC, (void __user *)pc, 0, current);
}
void handle_cp_exception(struct pt_regs *regs, unsigned long pc, unsigned long npc,
unsigned long psr)
{
- siginfo_t info;
-
#ifdef TRAP_DEBUG
printk("Co-Processor Exception at PC %08lx NPC %08lx PSR %08lx\n",
pc, npc, psr);
#endif
- info.si_signo = SIGILL;
- info.si_errno = 0;
- info.si_code = ILL_COPROC;
- info.si_addr = (void __user *)pc;
- info.si_trapno = 0;
- send_sig_info(SIGILL, &info, current);
+ send_sig_fault(SIGILL, ILL_COPROC, (void __user *)pc, 0, current);
}
void handle_hw_divzero(struct pt_regs *regs, unsigned long pc, unsigned long npc,
unsigned long psr)
{
- siginfo_t info;
-
- info.si_signo = SIGFPE;
- info.si_errno = 0;
- info.si_code = FPE_INTDIV;
- info.si_addr = (void __user *)pc;
- info.si_trapno = 0;
- send_sig_info(SIGFPE, &info, current);
+ send_sig_fault(SIGFPE, FPE_INTDIV, (void __user *)pc, 0, current);
}
#ifdef CONFIG_DEBUG_BUGVERBOSE
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-24 09:34:26 +0000