Random cleanup.
This commit is contained in:
mycroft
parent
9c8862a970
commit
22e614ce10
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@ -34,12 +34,12 @@
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* SUCH DAMAGE.
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*
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* from: @(#)Ovfork.s 5.1 (Berkeley) 4/23/90
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* $Id: Ovfork.S,v 1.5 1994/01/27 04:10:20 mycroft Exp $
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* $Id: Ovfork.S,v 1.6 1994/01/27 06:34:59 mycroft Exp $
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*/
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#if defined(SYSLIBC_SCCS) && !defined(lint)
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.text
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.asciz "$Id: Ovfork.S,v 1.5 1994/01/27 04:10:20 mycroft Exp $"
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.asciz "$Id: Ovfork.S,v 1.6 1994/01/27 06:34:59 mycroft Exp $"
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#endif /* SYSLIBC_SCCS and not lint */
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#include "SYS.h"
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@ -51,29 +51,24 @@
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* %eax == pid of child in parent, %eax == pid of parent in child.
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*
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*/
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.set vfork,66
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ENTRY(vfork)
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popl %ecx /* my rta into ecx */
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movl $vfork, %eax
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movl $(SYS_vfork),%eax
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LCALL(7,0)
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jb verror
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vforkok:
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testl %edx,%edx /* child process? */
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jnz child /* yes */
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jmp parent
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.globl _errno
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verror:
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jc err
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testl %edx,%edx /* %edx == 0 in parent, 1 in child */
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jz 1f
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xorl %eax,%eax
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1:
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jmp %ecx
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err:
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#ifdef PIC
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PIC_PROLOGUE
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movl PIC_GOT(_errno), %edx
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movl %eax,(%edx)
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movl PIC_GOT(_errno),%edx
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PIC_EPILOGUE
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movl %eax,(%edx)
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#else
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movl %eax,_errno
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#endif
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movl $-1,%eax
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jmp %ecx
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child:
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xorl %eax,%eax
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parent:
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jmp %ecx
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@ -34,57 +34,59 @@
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* SUCH DAMAGE.
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*
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* from: @(#)brk.s 5.2 (Berkeley) 12/17/90
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* $Id: brk.S,v 1.6 1994/01/27 04:30:34 mycroft Exp $
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* $Id: brk.S,v 1.7 1994/01/27 06:35:00 mycroft Exp $
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*/
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#if defined(SYSLIBC_SCCS) && !defined(lint)
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.text
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.asciz "$Id: brk.S,v 1.6 1994/01/27 04:30:34 mycroft Exp $"
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.asciz "$Id: brk.S,v 1.7 1994/01/27 06:35:00 mycroft Exp $"
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#endif /* SYSLIBC_SCCS and not lint */
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#include "SYS.h"
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.globl curbrk
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.globl minbrk
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#if 0
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ENTRY(_brk)
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jmp ok
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#endif
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ENTRY(brk)
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#ifdef PIC
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movl 4(%esp),%eax
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movl 4(%esp),%ecx
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PIC_PROLOGUE
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movl PIC_GOT(curbrk),%edx # set up GOT addressing
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movl PIC_GOT(minbrk),%ecx #
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cmpl %eax,(%ecx)
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movl PIC_GOT(minbrk),%edx
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PIC_EPILOGUE
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jl ok
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movl (%ecx),%eax
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movl %eax,4(%esp)
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ok:
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cmpl %ecx,(%edx)
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jl 1f
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movl (%edx),%ecx
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movl %ecx,4(%esp)
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1:
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movl $(SYS_break),%eax
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LCALL(7,0)
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jb err
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movl 4(%esp),%eax
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movl %eax,(%edx)
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jc err
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PIC_PROLOGUE
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movl PIC_GOT(curbrk),%edx # set up GOT addressing
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PIC_EPILOGUE
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xorl %eax,%eax
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movl %ecx,(%edx)
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ret
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err:
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jmp PIC_PLT(cerror)
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#else
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movl 4(%esp),%eax
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cmpl %eax,minbrk
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jl ok
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movl minbrk,%eax
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movl %eax,4(%esp)
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ok:
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movl 4(%esp),%ecx
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cmpl %ecx,minbrk
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jl 1f
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movl minbrk,%ecx
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movl %ecx,4(%esp)
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1:
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movl $(SYS_break),%eax
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LCALL(7,0)
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jb err
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movl 4(%esp),%eax
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movl %eax,curbrk
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jc err
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xorl %eax,%eax
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movl %ecx,curbrk
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ret
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err:
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jmp cerror
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@ -34,12 +34,12 @@
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* SUCH DAMAGE.
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*
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* from: @(#)cerror.s 5.1 (Berkeley) 4/23/90
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* $Id: cerror.S,v 1.2 1993/10/21 02:19:27 jtc Exp $
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* $Id: cerror.S,v 1.3 1994/01/27 06:35:02 mycroft Exp $
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*/
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#if defined(SYSLIBC_SCCS) && !defined(lint)
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.text
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.asciz "$Id: cerror.S,v 1.2 1993/10/21 02:19:27 jtc Exp $"
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.asciz "$Id: cerror.S,v 1.3 1994/01/27 06:35:02 mycroft Exp $"
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#endif /* SYSLIBC_SCCS and not lint */
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#include "SYS.h"
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@ -49,8 +49,8 @@ cerror:
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#ifdef PIC
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PIC_PROLOGUE
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movl PIC_GOT(_errno),%ecx
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movl %eax,(%ecx)
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PIC_EPILOGUE
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movl %eax,(%ecx)
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#else
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movl %eax,_errno
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#endif
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@ -34,12 +34,12 @@
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* SUCH DAMAGE.
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*
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* from: @(#)exect.s 5.1 (Berkeley) 4/23/90
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* $Id: exect.S,v 1.4 1994/01/27 04:14:53 mycroft Exp $
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* $Id: exect.S,v 1.5 1994/01/27 06:35:04 mycroft Exp $
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*/
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#if defined(SYSLIBC_SCCS) && !defined(lint)
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.text
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.asciz "$Id: exect.S,v 1.4 1994/01/27 04:14:53 mycroft Exp $"
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.asciz "$Id: exect.S,v 1.5 1994/01/27 06:35:04 mycroft Exp $"
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#endif /* SYSLIBC_SCCS and not lint */
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#include "SYS.h"
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@ -49,8 +49,12 @@ ENTRY(exect)
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movl $(SYS_execve),%eax
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pushf
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popl %edx
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orl $PSL_T,%edx
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orl $(PSL_T),%edx
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pushl %edx
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popf
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LCALL(7,0)
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#ifdef PIC
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jmp PIC_PLT(cerror) /* exect(file, argv, env); */
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#else
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jmp cerror
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#endif
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@ -34,29 +34,33 @@
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* SUCH DAMAGE.
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*
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* from: @(#)ptrace.s 5.1 (Berkeley) 4/23/90
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* $Id: ptrace.S,v 1.4 1994/01/27 04:14:56 mycroft Exp $
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* $Id: ptrace.S,v 1.5 1994/01/27 06:35:05 mycroft Exp $
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*/
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#if defined(SYSLIBC_SCCS) && !defined(lint)
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.text
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.asciz "$Id: ptrace.S,v 1.4 1994/01/27 04:14:56 mycroft Exp $"
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.asciz "$Id: ptrace.S,v 1.5 1994/01/27 06:35:05 mycroft Exp $"
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#endif /* SYSLIBC_SCCS and not lint */
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#include "SYS.h"
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ENTRY(ptrace)
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xorl %eax,%eax
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#ifdef PIC
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xorl %eax,%eax
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PIC_PROLOGUE
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movl PIC_GOT(_errno),%edx
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movl %eax,(%edx)
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PIC_EPILOGUE
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movl %eax,(%edx)
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#else
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movl %eax,_errno
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movl $0,_errno
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#endif
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movl $(SYS_ptrace),%eax
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LCALL(7,0)
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jb err
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jc err
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ret
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err:
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#ifdef PIC
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jmp PIC_PLT(cerror)
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#else
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jmp cerror
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#endif
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@ -34,12 +34,12 @@
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* SUCH DAMAGE.
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*
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* from: @(#)sbrk.s 5.1 (Berkeley) 4/23/90
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* $Id: sbrk.S,v 1.4 1994/01/27 04:30:46 mycroft Exp $
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* $Id: sbrk.S,v 1.5 1994/01/27 06:35:07 mycroft Exp $
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*/
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#if defined(SYSLIBC_SCCS) && !defined(lint)
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.text
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.asciz "$Id: sbrk.S,v 1.4 1994/01/27 04:30:46 mycroft Exp $"
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.asciz "$Id: sbrk.S,v 1.5 1994/01/27 06:35:07 mycroft Exp $"
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#endif /* SYSLIBC_SCCS and not lint */
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#include "SYS.h"
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@ -58,17 +58,17 @@ ENTRY(sbrk)
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movl 4(%esp),%ecx
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PIC_PROLOGUE
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movl PIC_GOT(curbrk),%edx
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movl (%edx),%eax
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PIC_EPILOGUE
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movl (%edx),%eax
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addl %eax,4(%esp)
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movl $(SYS_break),%eax
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LCALL(7,0)
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jb err
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jc err
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PIC_PROLOGUE
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movl PIC_GOT(curbrk),%edx
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PIC_EPILOGUE
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movl (%edx),%eax
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addl %ecx,(%edx)
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PIC_EPILOGUE
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ret
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err:
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jmp PIC_PLT(cerror)
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@ -80,7 +80,7 @@ err:
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addl %eax,4(%esp)
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movl $(SYS_break),%eax
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LCALL(7,0)
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jb err
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jc err
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movl curbrk,%eax
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addl %ecx,curbrk
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ret
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@ -34,27 +34,25 @@
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* SUCH DAMAGE.
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*
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* from: @(#)setlogin.s 5.2 (Berkeley) 4/12/91
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* $Id: setlogin.S,v 1.4 1993/12/18 01:02:47 jtc Exp $
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* $Id: setlogin.S,v 1.5 1994/01/27 06:35:08 mycroft Exp $
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*/
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#if defined(LIBC_SCCS)
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.text
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.asciz "$Id: setlogin.S,v 1.4 1993/12/18 01:02:47 jtc Exp $"
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.asciz "$Id: setlogin.S,v 1.5 1994/01/27 06:35:08 mycroft Exp $"
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#endif
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#include "SYS.h"
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.globl ___logname_valid /* in getlogin() */
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.globl ___logname_valid /* in getlogin() */
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SYSCALL(setlogin)
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xorl %eax,%eax
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#ifdef PIC
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PIC_PROLOGUE
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pushl %eax
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movl PIC_GOT(___logname_valid),%eax
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movl $0,(%eax)
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popl %eax
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movl PIC_GOT(___logname_valid),%edx
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PIC_EPILOGUE
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movl %eax,(%edx)
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#else
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movl $0,___logname_valid
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movl %eax,___logname_valid
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#endif
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ret /* setlogin(name) */
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@ -34,19 +34,16 @@
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* SUCH DAMAGE.
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*
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* from: @(#)sigprocmask.s 5.2 (Berkeley) 12/17/90
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* $Id: sigprocmask.S,v 1.6 1994/01/27 04:10:22 mycroft Exp $
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* $Id: sigprocmask.S,v 1.7 1994/01/27 06:35:09 mycroft Exp $
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*/
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#if defined(SYSLIBC_SCCS) && !defined(lint)
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.text
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.asciz "$Id: sigprocmask.S,v 1.6 1994/01/27 04:10:22 mycroft Exp $"
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.asciz "$Id: sigprocmask.S,v 1.7 1994/01/27 06:35:09 mycroft Exp $"
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#endif /* SYSLIBC_SCCS and not lint */
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#include "SYS.h"
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err:
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jmp PIC_PLT(cerror)
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ENTRY(sigprocmask)
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movl 8(%esp),%ecx # fetch new sigset pointer
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testl %ecx,%ecx # check new sigset pointer
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@ -58,7 +55,7 @@ ENTRY(sigprocmask)
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movl %ecx,8(%esp) # to new mask arg
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2: movl $(SYS_sigprocmask),%eax
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LCALL(0x7,0)
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jb err
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jc err
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movl 12(%esp),%ecx # fetch old mask requested
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testl %ecx,%ecx # test if old mask requested
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jz out
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@ -66,3 +63,9 @@ ENTRY(sigprocmask)
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out:
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xorl %eax,%eax
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ret
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err:
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#ifdef PIC
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jmp PIC_PLT(cerror)
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#else
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jmp cerror
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#endif
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@ -34,25 +34,28 @@
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* SUCH DAMAGE.
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*
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* from: @(#)sigsuspend.s 5.2 (Berkeley) 12/17/90
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* $Id: sigsuspend.S,v 1.4 1994/01/27 04:10:23 mycroft Exp $
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* $Id: sigsuspend.S,v 1.5 1994/01/27 06:35:11 mycroft Exp $
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*/
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#if defined(SYSLIBC_SCCS) && !defined(lint)
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.text
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.asciz "$Id: sigsuspend.S,v 1.4 1994/01/27 04:10:23 mycroft Exp $"
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.asciz "$Id: sigsuspend.S,v 1.5 1994/01/27 06:35:11 mycroft Exp $"
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#endif /* SYSLIBC_SCCS and not lint */
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#include "SYS.h"
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err:
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jmp PIC_PLT(cerror)
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ENTRY(sigsuspend)
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movl 4(%esp),%eax # fetch mask arg
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movl (%eax),%eax # indirect to mask arg
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movl %eax,4(%esp)
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movl $(SYS_sigsuspend),%eax
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LCALL(0x7,0)
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jb err
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jc err
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xorl %eax,%eax # shouldn t happen
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ret
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err:
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#ifdef PIC
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jmp PIC_PLT(cerror)
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#else
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jmp cerror
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#endif
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@ -34,12 +34,12 @@
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* SUCH DAMAGE.
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*
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* from: @(#)syscall.s 5.1 (Berkeley) 4/23/90
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* $Id: syscall.S,v 1.3 1993/12/06 23:28:12 pk Exp $
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* $Id: syscall.S,v 1.4 1994/01/27 06:35:12 mycroft Exp $
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*/
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#if defined(SYSLIBC_SCCS) && !defined(lint)
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.text
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.asciz "$Id: syscall.S,v 1.3 1993/12/06 23:28:12 pk Exp $"
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.asciz "$Id: syscall.S,v 1.4 1994/01/27 06:35:12 mycroft Exp $"
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#endif /* SYSLIBC_SCCS and not lint */
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#include "SYS.h"
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@ -50,7 +50,11 @@ ENTRY(syscall)
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push %ecx
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LCALL(7,0)
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push %ecx /* Keep stack frame consistant */
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jb 1f
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jc err
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ret
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1:
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err:
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#ifdef PIC
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jmp PIC_PLT(cerror)
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#else
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jmp cerror
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#endif
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