blob: fabd8570b57970f599aef2f7cb2524c8124f0f85 [file] [log] [blame]
// 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.
//go:build linux && (mips64 || mips64le)
// +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|NOFRAME,$0
// 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), R4 // argc, big-endian ABI places int32 at offset 4
#else
MOVW 0(R29), R4 // argc
#endif
ADDV $8, R29, R5 // argv
JMP main(SB)
TEXT main(SB),NOSPLIT|NOFRAME,$0
// in external linking, glibc jumps to main with argc in R4
// and argv in R5
// initialize REGSB = PC&0xffffffff00000000
BGEZAL R0, 1(PC)
SRLV $32, R31, RSB
SLLV $32, RSB
MOVV $runtime┬Ěrt0_go(SB), R1
JMP (R1)