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1 - signal did not clear the stack properly.

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2 - lseek did not return correct.
This commit is contained in:
keie 1984-12-18 17:12:12 +00:00
parent 7b39ce2cfa
commit 37d01caabd
1 changed files with 11 additions and 5 deletions
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16
mach/mantra/int/mloopc
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@ -1,7 +1,10 @@
!THIS FILE CONTAINS THE SYSTEM CALLS FOR PMDS-II AS SUBROUTINES FOR THE !THIS FILE CONTAINS THE SYSTEM CALLS FOR PMDS-II AS SUBROUTINES FOR THE
!EM-INTERPRETER. a1 CONTAINS A POINTER TO THE RETURN AREA . EACH SUBROUTINE !EM-INTERPRETER. a1 CONTAINS A POINTER TO THE RETURN AREA . EACH SUBROUTINE
!EXPECTS ITS DATA IN THE FORM EM PRODUCES AND GIVES ITS RESULTS AS EM !EXPECTS ITS DATA IN THE FORM EM PRODUCES AND GIVES ITS RESULTS AS EM
!REQUIRES !REQUIRES.
!THE PMDS-II REQUIRES THE ARGUMENTS ON THE STACK AS 4 BYTE INTEGERS OR
!POINTERS , AND USES THE C-CALLING CONVENTION. THE 2 BYTE WORDS 4 BYTE
!POINTERS VERSION HAS TO DO SOME CONVERSION FIRST .
_exit: move.l (sp),(a1) _exit: move.l (sp),(a1)
#ifndef lword #ifndef lword
@ -186,8 +189,7 @@ _lseek: move.l (sp),(a1)
mov d0,-(sp) mov d0,-(sp)
mov d0,-(sp) mov d0,-(sp)
bra 2f bra 2f
1: move.l d1,-(sp) 1: move.l d0,-(sp)
mov d0,-(sp)
cl -(sp) cl -(sp)
2: move.l (a1),a0 2: move.l (a1),a0
jmp (a0) jmp (a0)
@ -359,10 +361,14 @@ _signal: move.l (sp)+,retaddr
move.l retaddr,-(sp) move.l retaddr,-(sp)
trap #0 trap #0
.short 48 .short 48
lea 12(sp),sp !remove arguments
bcc 1f
mov d0,-(sp) mov d0,-(sp)
bne 1f
mov d0,-(sp) mov d0,-(sp)
1: move.l retaddr,a0 bra 2f
1: mov d0,-(sp)
cl -(sp)
2: move.l retaddr,a0
jmp (a0) jmp (a0)
.data .data
retaddr: .long 0 retaddr: .long 0