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// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
#include "textflag.h"
#include "asm_ppc64x.h"
DEFINE_PPC64X_FUNCDESC(_rt0_ppc64_linux, _main<>)
DEFINE_PPC64X_FUNCDESC(main, _main<>)
TEXT _main<>(SB),NOSPLIT,$-8
// In a statically linked binary, the stack contains argc,
// argv as argc string pointers followed by a NULL, envv as a
// sequence of string pointers followed by a NULL, and auxv.
// There is no TLS base pointer.
//
// TODO(austin): Support ABI v1 dynamic linking entry point
XOR R0, R0 // Note, newer kernels may not always set R0 to 0.
MOVD $runtime·rt0_go(SB), R12
MOVD R12, CTR
MOVBZ runtime·iscgo(SB), R5
CMP R5, $0
BEQ nocgo
BR (CTR)
nocgo:
MOVD 0(R1), R3 // argc
ADD $8, R1, R4 // argv
BR (CTR)
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