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go/src/runtime/rt0_linux_mips64x.s
Yao Zhang 424738e43e runtime: added assembly part of linux/mips64{,le} support
Change-Id: I9e94027ef66c88007107de2b2b75c3d7cf1352af
Reviewed-on: https://go-review.googlesource.com/14467
Reviewed-by: Minux Ma <minux@golang.org>
2015-11-12 04:46:17 +00:00

32 lines
821 B
ArmAsm

// Copyright 2015 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.
// +build linux
// +build mips64 mips64le
#include "textflag.h"
TEXT _rt0_mips64_linux(SB),NOSPLIT,$0
JMP _main<>(SB)
TEXT _rt0_mips64le_linux(SB),NOSPLIT,$0
JMP _main<>(SB)
TEXT _main<>(SB),NOSPLIT,$-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.
#ifdef GOARCH_mips64
MOVW 4(R29), R1 // argc, big-endian ABI places int32 at offset 4
#else
MOVW 0(R29), R1 // argc
#endif
ADDV $8, R29, R2 // argv
JMP main(SB)
TEXT main(SB),NOSPLIT,$-8
MOVV $runtime·rt0_go(SB), R4
JMP (R4)