Add PIC version.
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tsubai
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0298a4dd05
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106908bdb8
@ -1,17 +1,26 @@
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/* $NetBSD: brk.S,v 1.3 1998/05/25 15:35:06 ws Exp $ */
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/* $NetBSD: brk.S,v 1.4 1998/11/24 11:14:54 tsubai Exp $ */
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#include "SYS.h"
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.globl _ASM_LABEL(curbrk)
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.globl minbrk
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.data
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minbrk: .long _C_LABEL(end) # XXX not used yet
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.text
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#ifdef PIC
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XXX
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#else
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ENTRY(brk)
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#ifdef PIC
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mflr 10
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bl _GLOBAL_OFFSET_TABLE_@local-4
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mflr 9
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mtlr 10
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lwz 5,_C_LABEL(end)@got(9)
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#else
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lis 5,_C_LABEL(end)@ha # r5 = &_end
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addi 5,5,_C_LABEL(end)@l
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#endif
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cmplw 5,3 # if (&_end <= r3)
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bgt 0f
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mr 5,3 # r5 = r3
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@ -20,10 +29,14 @@ ENTRY(brk)
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li 0,SYS_break
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sc # assume, that r5 is kept
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bso 1f
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#ifdef PIC
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lwz 6,_ASM_LABEL(curbrk)@got(9)
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stw 5,0(6)
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#else
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lis 6,_ASM_LABEL(curbrk)@ha # record new break
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stw 5,_ASM_LABEL(curbrk)@l(6)
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#endif
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blr # return 0
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1:
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b _ASM_LABEL(cerror)
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#endif
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b PIC_PLT(_ASM_LABEL(cerror))
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@ -1,4 +1,4 @@
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/* $NetBSD: cerror.S,v 1.2 1998/05/25 15:28:03 ws Exp $ */
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/* $NetBSD: cerror.S,v 1.3 1998/11/24 11:14:57 tsubai Exp $ */
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#include <machine/asm.h>
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#include "SYS.h"
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@ -6,14 +6,18 @@
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/* XXX _REENTRANT */
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.globl _C_LABEL(errno)
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ASENTRY(cerror)
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#ifdef PIC
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ASENTRY(cerror)
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XXX
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mflr 10
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bl _GLOBAL_OFFSET_TABLE_@local-4
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mflr 4
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lwz 4,_C_LABEL(errno)@got(4)
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stw 3,0(4)
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mtlr 10
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#else
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ASENTRY(cerror)
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lis 4,_C_LABEL(errno)@ha
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stw 3,_C_LABEL(errno)@l(4)
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#endif
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li 3,-1
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li 4,-1
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blr
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#endif
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@ -1,4 +1,4 @@
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/* $NetBSD: pipe.S,v 1.3 1998/05/25 15:35:06 ws Exp $ */
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/* $NetBSD: pipe.S,v 1.4 1998/11/24 11:14:57 tsubai Exp $ */
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#include "SYS.h"
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@ -12,4 +12,4 @@ ENTRY(pipe)
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li 3,0
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blr # and return 0
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1:
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b _ASM_LABEL(cerror)
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b PIC_PLT(_ASM_LABEL(cerror))
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@ -1,4 +1,4 @@
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/* $NetBSD: sbrk.S,v 1.3 1998/05/25 15:35:06 ws Exp $ */
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/* $NetBSD: sbrk.S,v 1.4 1998/11/24 11:14:57 tsubai Exp $ */
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#include "SYS.h"
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@ -12,18 +12,27 @@ _ASM_LABEL(curbrk):
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ENTRY(sbrk)
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#ifdef PIC
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XXX
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mflr 10
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bl _GLOBAL_OFFSET_TABLE_@local-4
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mflr 5
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mtlr 10
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lwz 5,_ASM_LABEL(curbrk)@got(5)
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lwz 6,0(5)
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#else
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lis 5,_ASM_LABEL(curbrk)@ha
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lwz 6,_ASM_LABEL(curbrk)@l(5) # r6 = old break
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#endif
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add 3,3,6
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mr 7,3 # r7 = new break
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li 0,SYS_break
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sc # break(new_break)
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bso 1f
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mr 3,6 # set return value
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#ifdef PIC
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stw 7,0(5)
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#else
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stw 7,_ASM_LABEL(curbrk)@l(5) # record new break
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#endif
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blr
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1:
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b _ASM_LABEL(cerror)
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#endif
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b PIC_PLT(_ASM_LABEL(cerror))
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@ -1,4 +1,4 @@
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/* $NetBSD: setlogin.S,v 1.2 1998/05/25 15:28:03 ws Exp $ */
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/* $NetBSD: setlogin.S,v 1.3 1998/11/24 11:14:57 tsubai Exp $ */
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#include "SYS.h"
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@ -6,10 +6,16 @@
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SYSCALL(setlogin)
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#ifdef PIC
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XXX
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mflr 10
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bl _GLOBAL_OFFSET_TABLE_@local-4
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mflr 4
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lwz 4,_C_LABEL(__logname_valid)@got(4)
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li 5,0
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stw 5,0(4)
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mtlr 10
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#else
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lis 4,_C_LABEL(__logname_valid)@ha
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li 5,0
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stw 5,_C_LABEL(__logname_valid)@l(4)
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blr
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#endif
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blr
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@ -1,4 +1,4 @@
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/* $NetBSD: sigpending.S,v 1.4 1998/10/03 12:30:38 tsubai Exp $ */
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/* $NetBSD: sigpending.S,v 1.5 1998/11/24 11:14:57 tsubai Exp $ */
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#include "SYS.h"
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@ -11,4 +11,4 @@ ENTRY(sigpending)
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li 3,0 # and return 0
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blr
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1:
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b _ASM_LABEL(cerror)
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b PIC_PLT(_ASM_LABEL(cerror))
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@ -1,4 +1,4 @@
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/* $NetBSD: sigprocmask.S,v 1.4 1998/10/03 12:30:38 tsubai Exp $ */
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/* $NetBSD: sigprocmask.S,v 1.5 1998/11/24 11:14:57 tsubai Exp $ */
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#include "SYS.h"
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@ -23,4 +23,4 @@ ENTRY(sigprocmask)
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li 3,0
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blr # in any case, return 0
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3:
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b _ASM_LABEL(cerror)
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b PIC_PLT(_ASM_LABEL(cerror))
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@ -1,4 +1,4 @@
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/* $NetBSD: sigsuspend.S,v 1.4 1998/10/03 12:30:39 tsubai Exp $ */
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/* $NetBSD: sigsuspend.S,v 1.5 1998/11/24 11:14:57 tsubai Exp $ */
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#include "SYS.h"
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@ -6,4 +6,4 @@ ENTRY(sigsuspend)
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lwz 3,0(3) # indirect to mask arg
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li 0,SYS_compat_13_sigsuspend13
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sc
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b _ASM_LABEL(cerror) # always terminates with EINTR
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b PIC_PLT(_ASM_LABEL(cerror)) # always terminates with EINTR
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