diff options
Diffstat (limited to 'arch/parisc/lib/lusercopy.S')
| -rw-r--r-- | arch/parisc/lib/lusercopy.S | 51 |
1 files changed, 3 insertions, 48 deletions
diff --git a/arch/parisc/lib/lusercopy.S b/arch/parisc/lib/lusercopy.S index 1bd23ccec17..a512f07d4fe 100644 --- a/arch/parisc/lib/lusercopy.S +++ b/arch/parisc/lib/lusercopy.S @@ -61,47 +61,6 @@ .endm /* - * long lstrncpy_from_user(char *dst, const char *src, long n) - * - * Returns -EFAULT if exception before terminator, - * N if the entire buffer filled, - * otherwise strlen (i.e. excludes zero byte) - */ - -ENTRY(lstrncpy_from_user) - .proc - .callinfo NO_CALLS - .entry - comib,= 0,%r24,$lsfu_done - copy %r24,%r23 - get_sr -1: ldbs,ma 1(%sr1,%r25),%r1 -$lsfu_loop: - stbs,ma %r1,1(%r26) - comib,=,n 0,%r1,$lsfu_done - addib,<>,n -1,%r24,$lsfu_loop -2: ldbs,ma 1(%sr1,%r25),%r1 -$lsfu_done: - sub %r23,%r24,%r28 -$lsfu_exit: - bv %r0(%r2) - nop - .exit -ENDPROC(lstrncpy_from_user) - - .section .fixup,"ax" -3: fixup_branch $lsfu_exit - ldi -EFAULT,%r28 - .previous - - .section __ex_table,"aw" - ASM_ULONG_INSN 1b,3b - ASM_ULONG_INSN 2b,3b - .previous - - .procend - - /* * unsigned long lclear_user(void *to, unsigned long n) * * Returns 0 for success. @@ -129,9 +88,7 @@ ENDPROC(lclear_user) ldo 1(%r25),%r25 .previous - .section __ex_table,"aw" - ASM_ULONG_INSN 1b,2b - .previous + ASM_EXCEPTIONTABLE_ENTRY(1b,2b) .procend @@ -170,10 +127,8 @@ ENDPROC(lstrnlen_user) copy %r24,%r26 /* reset r26 so 0 is returned on fault */ .previous - .section __ex_table,"aw" - ASM_ULONG_INSN 1b,3b - ASM_ULONG_INSN 2b,3b - .previous + ASM_EXCEPTIONTABLE_ENTRY(1b,3b) + ASM_EXCEPTIONTABLE_ENTRY(2b,3b) .procend |