Editando: rt0_linux_loong64.s
// Copyright 2022 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. #include "textflag.h" #include "cgo/abi_loong64.h" TEXT _rt0_loong64_linux(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. MOVW 0(R3), R4 // argc ADDV $8, R3, R5 // argv JMP main(SB) // When building with -buildmode=c-shared, this symbol is called when the shared // library is loaded. TEXT _rt0_loong64_linux_lib(SB),NOSPLIT,$168 // Preserve callee-save registers. SAVE_R22_TO_R31(3*8) SAVE_F24_TO_F31(13*8) // Initialize g as nil in case of using g later e.g. sigaction in cgo_sigaction.go MOVV R0, g MOVV R4, _rt0_loong64_linux_lib_argc<>(SB) MOVV R5, _rt0_loong64_linux_lib_argv<>(SB) // Synchronous initialization. MOVV $runtime·libpreinit(SB), R19 JAL (R19) // Create a new thread to do the runtime initialization and return. MOVV _cgo_sys_thread_create(SB), R19 BEQ R19, nocgo MOVV $_rt0_loong64_linux_lib_go(SB), R4 MOVV $0, R5 JAL (R19) JMP restore nocgo: MOVV $0x800000, R4 // stacksize = 8192KB MOVV $_rt0_loong64_linux_lib_go(SB), R5 MOVV R4, 8(R3) MOVV R5, 16(R3) MOVV $runtime·newosproc0(SB), R19 JAL (R19) restore: // Restore callee-save registers. RESTORE_R22_TO_R31(3*8) RESTORE_F24_TO_F31(13*8) RET TEXT _rt0_loong64_linux_lib_go(SB),NOSPLIT,$0 MOVV _rt0_loong64_linux_lib_argc<>(SB), R4 MOVV _rt0_loong64_linux_lib_argv<>(SB), R5 MOVV $runtime·rt0_go(SB),R19 JMP (R19) DATA _rt0_loong64_linux_lib_argc<>(SB)/8, $0 GLOBL _rt0_loong64_linux_lib_argc<>(SB),NOPTR, $8 DATA _rt0_loong64_linux_lib_argv<>(SB)/8, $0 GLOBL _rt0_loong64_linux_lib_argv<>(SB),NOPTR, $8 TEXT main(SB),NOSPLIT|NOFRAME,$0 // in external linking, glibc jumps to main with argc in R4 // and argv in R5 MOVV $runtime·rt0_go(SB), R19 JMP (R19)
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Kerym Chaeceran