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