26 lines
285 B
ArmAsm
26 lines
285 B
ArmAsm
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.define _ptrace
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.extern _ptrace
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.text
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_ptrace:
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enter[], 0
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xord @_errno,@_errno
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addr 8(fp),r7
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movd 16,r0
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addd r0,r7
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1:
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subd 4,r7
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movd 0(r7),tos
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acbd -4,r0,1b
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movd 26,tos
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jsr @.mon
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cmpqd 0,tos
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beq I0011
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movd tos,r7
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movd r7,@_errno
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movd -1,tos
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I0011:
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movd tos,r7
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movd r7,r4
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exit []
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ret 0
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