sh: Set up correct siginfo structures for page faults.

[deliverable/linux.git] / arch / sh / mm / fault.c

diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c
index 68663b8f99aec28619ea7cb92d16978c5a08be25..43bed2cb00e38c73c0c10a8e78e405477f7c6faa 100644 (file)
--- a/arch/sh/mm/fault.c
+++ b/arch/sh/mm/fault.c
@@ -26,13 +26,16 @@ extern void die(const char *,struct pt_regs *,long);
  * and the problem, and then passes it off to one of the appropriate
  * routines.
  */
-asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long writeaccess,
-                             unsigned long address)
+asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
+                                       unsigned long writeaccess,
+                                       unsigned long address)
 {
        struct task_struct *tsk;
        struct mm_struct *mm;
        struct vm_area_struct * vma;
        unsigned long page;
+       int si_code;
+       siginfo_t info;
 
 #ifdef CONFIG_SH_KGDB
        if (kgdb_nofault && kgdb_bus_err_hook)
@@ -41,6 +44,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long writeaccess,
 
        tsk = current;
        mm = tsk->mm;
+       si_code = SEGV_MAPERR;
 
        /*
         * If we're in an interrupt or have no user
@@ -65,6 +69,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long writeaccess,
  * we can handle it..
  */
 good_area:
+       si_code = SEGV_ACCERR;
        if (writeaccess) {
                if (!(vma->vm_flags & VM_WRITE))
                        goto bad_area;
@@ -105,9 +110,11 @@ bad_area:
        up_read(&mm->mmap_sem);
 
        if (user_mode(regs)) {
-               tsk->thread.address = address;
-               tsk->thread.error_code = writeaccess;
-               force_sig(SIGSEGV, tsk);
+               info.si_signo = SIGSEGV;
+               info.si_errno = 0;
+               info.si_code = si_code;
+               info.si_addr = (void *) address;
+               force_sig_info(SIGSEGV, &info, tsk);
                return;
        }
 
@@ -166,10 +173,11 @@ do_sigbus:
         * Send a sigbus, regardless of whether we were in kernel
         * or user mode.
         */
-       tsk->thread.address = address;
-       tsk->thread.error_code = writeaccess;
-       tsk->thread.trap_no = 14;
-       force_sig(SIGBUS, tsk);
+       info.si_signo = SIGBUS;
+       info.si_errno = 0;
+       info.si_code = BUS_ADRERR;
+       info.si_addr = (void *)address;
+       force_sig_info(SIGBUS, &info, tsk);
 
        /* Kernel mode? Handle exceptions or die */
        if (!user_mode(regs))