47 lines
720 B
ArmAsm
47 lines
720 B
ArmAsm
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/* $NetBSD: ptrace.S,v 1.1 2006/07/01 16:37:20 ross Exp $ */
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#include "SYS.h"
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ENTRY(ptrace)
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#ifdef _REENTRANT
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mflr %r0
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stwu %r1,-32(%r1)
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stw %r0,36(%r1)
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stw %r3,8(%r1)
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stw %r4,12(%r1)
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stw %r5,16(%r1)
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stw %r6,20(%r1)
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bl PIC_PLT(_C_LABEL(__errno))
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li %r7,0
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stw %r7,0(%r3)
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lwz %r3,8(%r1)
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lwz %r4,12(%r1)
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lwz %r5,16(%r1)
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lwz %r0,36(%r1)
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lwz %r6,20(%r1)
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mtlr %r0
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la %r1,32(%r1)
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#else
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#ifdef PIC
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mflr %r0
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bl _GLOBAL_OFFSET_TABLE_@local-4
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mflr %r7
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lwz %r7,_C_LABEL(errno)@got(%r7)
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li %r8,0
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stw %r8,0(%r7)
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mtlr 0
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#else
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lis %r7,_C_LABEL(errno)@ha
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li %r8,0
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stw %r8,_C_LABEL(errno)@l(%r7)
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#endif /* PIC */
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#endif /* _REENTRANT */
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li %r0,SYS_ptrace
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sc
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bso 1f
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blr
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1:
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b PIC_PLT(_C_LABEL(__cerror))
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