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Diffstat (limited to 'arch/x86/mm/fault_32.c')
-rw-r--r--arch/x86/mm/fault_32.c38
1 files changed, 19 insertions, 19 deletions
diff --git a/arch/x86/mm/fault_32.c b/arch/x86/mm/fault_32.c
index a2273d44aa27..6056c6d71835 100644
--- a/arch/x86/mm/fault_32.c
+++ b/arch/x86/mm/fault_32.c
@@ -72,15 +72,15 @@ static inline int notify_page_fault(struct pt_regs *regs)
static inline unsigned long get_segment_eip(struct pt_regs *regs,
unsigned long *eip_limit)
{
- unsigned long eip = regs->eip;
- unsigned seg = regs->xcs & 0xffff;
+ unsigned long ip = regs->ip;
+ unsigned seg = regs->cs & 0xffff;
u32 seg_ar, seg_limit, base, *desc;
/* Unlikely, but must come before segment checks. */
- if (unlikely(regs->eflags & VM_MASK)) {
+ if (unlikely(regs->flags & VM_MASK)) {
base = seg << 4;
*eip_limit = base + 0xffff;
- return base + (eip & 0xffff);
+ return base + (ip & 0xffff);
}
/* The standard kernel/user address space limit. */
@@ -88,16 +88,16 @@ static inline unsigned long get_segment_eip(struct pt_regs *regs,
/* By far the most common cases. */
if (likely(SEGMENT_IS_FLAT_CODE(seg)))
- return eip;
+ return ip;
/* Check the segment exists, is within the current LDT/GDT size,
that kernel/user (ring 0..3) has the appropriate privilege,
that it's a code segment, and get the limit. */
__asm__ ("larl %3,%0; lsll %3,%1"
: "=&r" (seg_ar), "=r" (seg_limit) : "0" (0), "rm" (seg));
- if ((~seg_ar & 0x9800) || eip > seg_limit) {
+ if ((~seg_ar & 0x9800) || ip > seg_limit) {
*eip_limit = 0;
- return 1; /* So that returned eip > *eip_limit. */
+ return 1; /* So that returned ip > *eip_limit. */
}
/* Get the GDT/LDT descriptor base.
@@ -127,7 +127,7 @@ static inline unsigned long get_segment_eip(struct pt_regs *regs,
seg_limit += base;
if (seg_limit < *eip_limit && seg_limit >= base)
*eip_limit = seg_limit;
- return eip + base;
+ return ip + base;
}
/*
@@ -345,7 +345,7 @@ fastcall void __kprobes do_page_fault(struct pt_regs *regs,
/* It's safe to allow irq's after cr2 has been saved and the vmalloc
fault has been handled. */
- if (regs->eflags & (X86_EFLAGS_IF|VM_MASK))
+ if (regs->flags & (X86_EFLAGS_IF|VM_MASK))
local_irq_enable();
mm = tsk->mm;
@@ -374,7 +374,7 @@ fastcall void __kprobes do_page_fault(struct pt_regs *regs,
*/
if (!down_read_trylock(&mm->mmap_sem)) {
if ((error_code & 4) == 0 &&
- !search_exception_tables(regs->eip))
+ !search_exception_tables(regs->ip))
goto bad_area_nosemaphore;
down_read(&mm->mmap_sem);
}
@@ -388,12 +388,12 @@ fastcall void __kprobes do_page_fault(struct pt_regs *regs,
goto bad_area;
if (error_code & 4) {
/*
- * Accessing the stack below %esp is always a bug.
+ * Accessing the stack below %sp is always a bug.
* The large cushion allows instructions like enter
* and pusha to work. ("enter $65535,$31" pushes
- * 32 pointers and then decrements %esp by 65535.)
+ * 32 pointers and then decrements %sp by 65535.)
*/
- if (address + 65536 + 32 * sizeof(unsigned long) < regs->esp)
+ if (address + 65536 + 32 * sizeof(unsigned long) < regs->sp)
goto bad_area;
}
if (expand_stack(vma, address))
@@ -442,7 +442,7 @@ good_area:
/*
* Did it hit the DOS screen memory VA from vm86 mode?
*/
- if (regs->eflags & VM_MASK) {
+ if (regs->flags & VM_MASK) {
unsigned long bit = (address - 0xA0000) >> PAGE_SHIFT;
if (bit < 32)
tsk->thread.screen_bitmap |= 1 << bit;
@@ -474,11 +474,11 @@ bad_area_nosemaphore:
if (show_unhandled_signals && unhandled_signal(tsk, SIGSEGV) &&
printk_ratelimit()) {
- printk("%s%s[%d]: segfault at %08lx eip %08lx "
- "esp %08lx error %lx\n",
+ printk("%s%s[%d]: segfault at %08lx ip %08lx "
+ "sp %08lx error %lx\n",
task_pid_nr(tsk) > 1 ? KERN_INFO : KERN_EMERG,
- tsk->comm, task_pid_nr(tsk), address, regs->eip,
- regs->esp, error_code);
+ tsk->comm, task_pid_nr(tsk), address, regs->ip,
+ regs->sp, error_code);
}
tsk->thread.cr2 = address;
/* Kernel addresses are always protection faults */
@@ -544,7 +544,7 @@ no_context:
printk(KERN_ALERT "BUG: unable to handle kernel paging"
" request");
printk(" at virtual address %08lx\n",address);
- printk(KERN_ALERT "printing eip: %08lx ", regs->eip);
+ printk(KERN_ALERT "printing ip: %08lx ", regs->ip);
page = read_cr3();
page = ((__typeof__(page) *) __va(page))[address >> PGDIR_SHIFT];