Text file src/runtime/rt0_linux_mips64x.s

     1	// Copyright 2015 The Go Authors. All rights reserved.
     2	// Use of this source code is governed by a BSD-style
     3	// license that can be found in the LICENSE file.
     4	
     5	// +build linux
     6	// +build mips64 mips64le
     7	
     8	#include "textflag.h"
     9	
    10	TEXT _rt0_mips64_linux(SB),NOSPLIT,$0
    11		JMP	_main<>(SB)
    12	
    13	TEXT _rt0_mips64le_linux(SB),NOSPLIT,$0
    14		JMP	_main<>(SB)
    15	
    16	TEXT _main<>(SB),NOSPLIT|NOFRAME,$0
    17		// In a statically linked binary, the stack contains argc,
    18		// argv as argc string pointers followed by a NULL, envv as a
    19		// sequence of string pointers followed by a NULL, and auxv.
    20		// There is no TLS base pointer.
    21	#ifdef GOARCH_mips64
    22		MOVW	4(R29), R4 // argc, big-endian ABI places int32 at offset 4
    23	#else
    24		MOVW	0(R29), R4 // argc
    25	#endif
    26		ADDV	$8, R29, R5 // argv
    27		JMP	main(SB)
    28	
    29	TEXT main(SB),NOSPLIT|NOFRAME,$0
    30		// in external linking, glibc jumps to main with argc in R4
    31		// and argv in R5
    32	
    33		// initialize REGSB = PC&0xffffffff00000000
    34		BGEZAL	R0, 1(PC)
    35		SRLV	$32, R31, RSB
    36		SLLV	$32, RSB
    37	
    38		MOVV	$runtime·rt0_go(SB), R1
    39		JMP	(R1)

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