diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/m68k/syscall.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/m68k/syscall.S | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/sysdeps/unix/sysv/linux/m68k/syscall.S b/sysdeps/unix/sysv/linux/m68k/syscall.S index 2cc451c58b..1c7bd6bbd1 100644 --- a/sysdeps/unix/sysv/linux/m68k/syscall.S +++ b/sysdeps/unix/sysv/linux/m68k/syscall.S @@ -18,14 +18,20 @@ Cambridge, MA 02139, USA. */ #include <sysdep.h> +/* Please consult the file sysdeps/unix/sysv/linux/m68k/sysdep.h for + more information about the value -128 used below.*/ + .text SYSCALL_ERROR_HANDLER ENTRY (syscall) - move.l (%sp)+, %a0 /* Pop return address. */ - DO_CALL ((%sp), 5) /* Frob the args and do the system call. */ - tst.l %d0 /* Check %d0 for error. */ - jmi error /* Jump to error handler if negative. */ - jmp (%a0) /* Return to caller. */ + CALL_MCOUNT -error: pea (%a0) - jra syscall_error + move.l 4(%sp), %d0 /* Load syscall number. */ + _DOARGS_5 (24) /* Frob arguments. */ + trap &0 /* Do the system call. */ + UNDOARGS_5 /* Unfrob arguments. */ + moveq.l &-128, %d1 + cmp.l %d1, %d0 /* Check %d0 for error. */ + jcc syscall_error /* Jump to error handler if negative. */ + rts /* Return to caller. */ +PSEUDO_END (syscall) |