github.com/HACKERALERT/Picocrypt/src/external/sys@v0.0.0-20210609020157-e519952f829f/unix/asm_linux_riscv64.s (about)

     1  // Copyright 2019 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  //go:build riscv64 && gc
     6  // +build riscv64
     7  // +build gc
     8  
     9  #include "textflag.h"
    10  
    11  //
    12  // System calls for linux/riscv64.
    13  //
    14  // Where available, just jump to package syscall's implementation of
    15  // these functions.
    16  
    17  TEXT ·Syscall(SB),NOSPLIT,$0-56
    18  	JMP	syscall·Syscall(SB)
    19  
    20  TEXT ·Syscall6(SB),NOSPLIT,$0-80
    21  	JMP	syscall·Syscall6(SB)
    22  
    23  TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
    24  	CALL	runtime·entersyscall(SB)
    25  	MOV	a1+8(FP), A0
    26  	MOV	a2+16(FP), A1
    27  	MOV	a3+24(FP), A2
    28  	MOV	trap+0(FP), A7	// syscall entry
    29  	ECALL
    30  	MOV	A0, r1+32(FP)	// r1
    31  	MOV	A1, r2+40(FP)	// r2
    32  	CALL	runtime·exitsyscall(SB)
    33  	RET
    34  
    35  TEXT ·RawSyscall(SB),NOSPLIT,$0-56
    36  	JMP	syscall·RawSyscall(SB)
    37  
    38  TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
    39  	JMP	syscall·RawSyscall6(SB)
    40  
    41  TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
    42  	MOV	a1+8(FP), A0
    43  	MOV	a2+16(FP), A1
    44  	MOV	a3+24(FP), A2
    45  	MOV	trap+0(FP), A7	// syscall entry
    46  	ECALL
    47  	MOV	A0, r1+32(FP)
    48  	MOV	A1, r2+40(FP)
    49  	RET