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Diffstat (limited to 'arch/frv/kernel/traps.c')
-rw-r--r--arch/frv/kernel/traps.c55
1 files changed, 20 insertions, 35 deletions
diff --git a/arch/frv/kernel/traps.c b/arch/frv/kernel/traps.c
index 7089c2428b3..a6d105d61b2 100644
--- a/arch/frv/kernel/traps.c
+++ b/arch/frv/kernel/traps.c
@@ -23,7 +23,6 @@
#include <asm/asm-offsets.h>
#include <asm/setup.h>
#include <asm/fpu.h>
-#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
#include <asm/siginfo.h>
@@ -49,7 +48,7 @@ asmlinkage void insn_access_error(unsigned long esfr1, unsigned long epcr0, unsi
info.si_signo = SIGSEGV;
info.si_code = SEGV_ACCERR;
info.si_errno = 0;
- info.si_addr = (void *) ((epcr0 & EPCR0_V) ? (epcr0 & EPCR0_PC) : __frame->pc);
+ info.si_addr = (void __user *) ((epcr0 & EPCR0_V) ? (epcr0 & EPCR0_PC) : __frame->pc);
force_sig_info(info.si_signo, &info, current);
} /* end insn_access_error() */
@@ -73,7 +72,7 @@ asmlinkage void illegal_instruction(unsigned long esfr1, unsigned long epcr0, un
epcr0, esr0, esfr1);
info.si_errno = 0;
- info.si_addr = (void *) ((epcr0 & EPCR0_V) ? (epcr0 & EPCR0_PC) : __frame->pc);
+ info.si_addr = (void __user *) ((epcr0 & EPCR0_V) ? (epcr0 & EPCR0_PC) : __frame->pc);
switch (__frame->tbr & TBR_TT) {
case TBR_TT_ILLEGAL_INSTR:
@@ -111,7 +110,8 @@ asmlinkage void atomic_operation(unsigned long esfr1, unsigned long epcr0,
unsigned long esr0)
{
static DEFINE_SPINLOCK(atomic_op_lock);
- unsigned long x, y, z, *p;
+ unsigned long x, y, z;
+ unsigned long __user *p;
mm_segment_t oldfs;
siginfo_t info;
int ret;
@@ -128,7 +128,7 @@ asmlinkage void atomic_operation(unsigned long esfr1, unsigned long epcr0,
* u32 __atomic_user_cmpxchg32(u32 *ptr, u32 test, u32 new)
*/
case TBR_TT_ATOMIC_CMPXCHG32:
- p = (unsigned long *) __frame->gr8;
+ p = (unsigned long __user *) __frame->gr8;
x = __frame->gr9;
y = __frame->gr10;
@@ -158,7 +158,7 @@ asmlinkage void atomic_operation(unsigned long esfr1, unsigned long epcr0,
* u32 __atomic_kernel_xchg32(void *v, u32 new)
*/
case TBR_TT_ATOMIC_XCHG32:
- p = (unsigned long *) __frame->gr8;
+ p = (unsigned long __user *) __frame->gr8;
y = __frame->gr9;
for (;;) {
@@ -181,7 +181,7 @@ asmlinkage void atomic_operation(unsigned long esfr1, unsigned long epcr0,
* ulong __atomic_kernel_XOR_return(ulong i, ulong *v)
*/
case TBR_TT_ATOMIC_XOR:
- p = (unsigned long *) __frame->gr8;
+ p = (unsigned long __user *) __frame->gr8;
x = __frame->gr9;
for (;;) {
@@ -205,7 +205,7 @@ asmlinkage void atomic_operation(unsigned long esfr1, unsigned long epcr0,
* ulong __atomic_kernel_OR_return(ulong i, ulong *v)
*/
case TBR_TT_ATOMIC_OR:
- p = (unsigned long *) __frame->gr8;
+ p = (unsigned long __user *) __frame->gr8;
x = __frame->gr9;
for (;;) {
@@ -229,7 +229,7 @@ asmlinkage void atomic_operation(unsigned long esfr1, unsigned long epcr0,
* ulong __atomic_kernel_AND_return(ulong i, ulong *v)
*/
case TBR_TT_ATOMIC_AND:
- p = (unsigned long *) __frame->gr8;
+ p = (unsigned long __user *) __frame->gr8;
x = __frame->gr9;
for (;;) {
@@ -253,7 +253,7 @@ asmlinkage void atomic_operation(unsigned long esfr1, unsigned long epcr0,
* int __atomic_user_sub_return(atomic_t *v, int i)
*/
case TBR_TT_ATOMIC_SUB:
- p = (unsigned long *) __frame->gr8;
+ p = (unsigned long __user *) __frame->gr8;
x = __frame->gr9;
for (;;) {
@@ -277,7 +277,7 @@ asmlinkage void atomic_operation(unsigned long esfr1, unsigned long epcr0,
* int __atomic_user_add_return(atomic_t *v, int i)
*/
case TBR_TT_ATOMIC_ADD:
- p = (unsigned long *) __frame->gr8;
+ p = (unsigned long __user *) __frame->gr8;
x = __frame->gr9;
for (;;) {
@@ -322,7 +322,7 @@ error:
info.si_signo = SIGSEGV;
info.si_code = SEGV_ACCERR;
info.si_errno = 0;
- info.si_addr = (void *) __frame->pc;
+ info.si_addr = (void __user *) __frame->pc;
force_sig_info(info.si_signo, &info, current);
}
@@ -343,7 +343,7 @@ asmlinkage void media_exception(unsigned long msr0, unsigned long msr1)
info.si_signo = SIGFPE;
info.si_code = FPE_MDAOVF;
info.si_errno = 0;
- info.si_addr = (void *) __frame->pc;
+ info.si_addr = (void __user *) __frame->pc;
force_sig_info(info.si_signo, &info, current);
} /* end media_exception() */
@@ -361,11 +361,8 @@ asmlinkage void memory_access_exception(unsigned long esr0,
#ifdef CONFIG_MMU
unsigned long fixup;
- if ((esr0 & ESRx_EC) == ESRx_EC_DATA_ACCESS)
- if (handle_misalignment(esr0, ear0, epcr0) == 0)
- return;
-
- if ((fixup = search_exception_table(__frame->pc)) != 0) {
+ fixup = search_exception_table(__frame->pc);
+ if (fixup) {
__frame->pc = fixup;
return;
}
@@ -383,7 +380,7 @@ asmlinkage void memory_access_exception(unsigned long esr0,
info.si_addr = NULL;
if ((esr0 & (ESRx_VALID | ESR0_EAV)) == (ESRx_VALID | ESR0_EAV))
- info.si_addr = (void *) ear0;
+ info.si_addr = (void __user *) ear0;
force_sig_info(info.si_signo, &info, current);
@@ -412,7 +409,7 @@ asmlinkage void data_access_error(unsigned long esfr1, unsigned long esr15, unsi
info.si_signo = SIGSEGV;
info.si_code = SEGV_ACCERR;
info.si_errno = 0;
- info.si_addr = (void *)
+ info.si_addr = (void __user *)
(((esr15 & (ESRx_VALID|ESR15_EAV)) == (ESRx_VALID|ESR15_EAV)) ? ear15 : 0);
force_sig_info(info.si_signo, &info, current);
@@ -446,7 +443,7 @@ asmlinkage void division_exception(unsigned long esfr1, unsigned long esr0, unsi
info.si_signo = SIGFPE;
info.si_code = FPE_INTDIV;
info.si_errno = 0;
- info.si_addr = (void *) __frame->pc;
+ info.si_addr = (void __user *) __frame->pc;
force_sig_info(info.si_signo, &info, current);
} /* end division_exception() */
@@ -469,17 +466,6 @@ asmlinkage void compound_exception(unsigned long esfr1,
BUG();
} /* end compound_exception() */
-/*****************************************************************************/
-/*
- * The architecture-independent backtrace generator
- */
-void dump_stack(void)
-{
- show_stack(NULL, NULL);
-}
-
-EXPORT_SYMBOL(dump_stack);
-
void show_stack(struct task_struct *task, unsigned long *sp)
{
}
@@ -511,6 +497,7 @@ void show_regs(struct pt_regs *regs)
int loop;
printk("\n");
+ show_regs_print_info(KERN_DEFAULT);
printk("Frame: @%08lx [%s]\n",
(unsigned long) regs,
@@ -525,8 +512,6 @@ void show_regs(struct pt_regs *regs)
else
printk(" | ");
}
-
- printk("Process %s (pid: %d)\n", current->comm, current->pid);
}
void die_if_kernel(const char *str, ...)
@@ -538,7 +523,7 @@ void die_if_kernel(const char *str, ...)
return;
va_start(va, str);
- vsprintf(buffer, str, va);
+ vsnprintf(buffer, sizeof(buffer), str, va);
va_end(va);
console_verbose();
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-06 01:54:00 +0000