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,$0 14 JMP _main<>(SB) 15 16 TEXT _main<>(SB),NOSPLIT,$-8 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 $8, R29, R5 // argv 27 JMP main(SB) 28 29 TEXT main(SB),NOSPLIT,$-8 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 $runtimert0_go(SB), R1 39 JMP (R1) 40
