1 // Copyright 2009 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 #include "textflag.h" 6 7 TEXT _rt0_amd64_linux(SB),NOSPLIT,$-8 8 LEAQ 8(SP), SI // argv 9 MOVQ 0(SP), DI // argc 10 MOVQ $main(SB), AX 11 JMP AX 12 13 // When building with -buildmode=c-shared, this symbol is called when the shared 14 // library is loaded. 15 TEXT _rt0_amd64_linux_lib(SB),NOSPLIT,$0x48 16 MOVQ BX, 0x10(SP) 17 MOVQ BP, 0x18(SP) 18 MOVQ R12, 0x20(SP) 19 MOVQ R13, 0x28(SP) 20 MOVQ R14, 0x30(SP) 21 MOVQ R15, 0x38(SP) 22 23 MOVQ DI, _rt0_amd64_linux_lib_argc<>(SB) 24 MOVQ SI, _rt0_amd64_linux_lib_argv<>(SB) 25 26 // Create a new thread to do the runtime initialization and return. 27 MOVQ _cgo_sys_thread_create(SB), AX 28 TESTQ AX, AX 29 JZ nocgo 30 MOVQ $_rt0_amd64_linux_lib_go(SB), DI 31 MOVQ $0, SI 32 CALL AX 33 JMP restore 34 35 nocgo: 36 MOVQ $8388608, 0(SP) // stacksize 37 MOVQ $_rt0_amd64_linux_lib_go(SB), AX 38 MOVQ AX, 8(SP) // fn 39 MOVQ $runtimenewosproc0(SB), AX 40 CALL AX 41 42 restore: 43 MOVQ 0x10(SP), BX 44 MOVQ 0x18(SP), BP 45 MOVQ 0x20(SP), R12 46 MOVQ 0x28(SP), R13 47 MOVQ 0x30(SP), R14 48 MOVQ 0x38(SP), R15 49 RET 50 51 TEXT _rt0_amd64_linux_lib_go(SB),NOSPLIT,$0 52 MOVQ _rt0_amd64_linux_lib_argc<>(SB), DI 53 MOVQ _rt0_amd64_linux_lib_argv<>(SB), SI 54 MOVQ $runtimert0_go(SB), AX 55 JMP AX 56 57 DATA _rt0_amd64_linux_lib_argc<>(SB)/8, $0 58 GLOBL _rt0_amd64_linux_lib_argc<>(SB),NOPTR, $8 59 DATA _rt0_amd64_linux_lib_argv<>(SB)/8, $0 60 GLOBL _rt0_amd64_linux_lib_argv<>(SB),NOPTR, $8 61 62 TEXT main(SB),NOSPLIT,$-8 63 MOVQ $runtimert0_go(SB), AX 64 JMP AX 65
