ed74484dcb
We only need it for MAX_ERRNO, and it's time we had somewhere to put the little assembler utility macros we've been putting off writing. Change-Id: I9354d2e0dc47c689296a34b5b229fc9ba75f1a83
22 lines
387 B
ArmAsm
22 lines
387 B
ArmAsm
/* Generated by gensyscalls.py. Do not edit. */
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#include <private/bionic_asm.h>
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ENTRY(dup)
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stp x29, x30, [sp, #-16]!
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mov x29, sp
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str x8, [sp, #-16]!
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mov x8, __NR_dup
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svc #0
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ldr x8, [sp], #16
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ldp x29, x30, [sp], #16
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cmn x0, #(MAX_ERRNO + 1)
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cneg x0, x0, hi
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b.hi __set_errno
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ret
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END(dup)
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