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runtime: implement syscalls for runtime bootstrap on linux/loong64
Contributors to the loong64 port are: Weining Lu <luweining@loongson.cn> Lei Wang <wanglei@loongson.cn> Lingqin Gong <gonglingqin@loongson.cn> Xiaolin Zhao <zhaoxiaolin@loongson.cn> Meidan Li <limeidan@loongson.cn> Xiaojuan Zhai <zhaixiaojuan@loongson.cn> Qiyuan Pu <puqiyuan@loongson.cn> Guoqi Chen <chenguoqi@loongson.cn> This port has been updated to Go 1.15.6: https://github.com/loongson/go Updates #46229 Change-Id: I848608267932717895d5cff9e33040029c3f3c4b Reviewed-on: https://go-review.googlesource.com/c/go/+/368080 Run-TryBot: Ian Lance Taylor <iant@golang.org> Reviewed-by: Ian Lance Taylor <iant@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: David Chase <drchase@google.com> Auto-Submit: Ian Lance Taylor <iant@golang.org>
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29
src/runtime/internal/syscall/asm_linux_loong64.s
Normal file
29
src/runtime/internal/syscall/asm_linux_loong64.s
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@ -0,0 +1,29 @@
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// Copyright 2022 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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#include "textflag.h"
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// func Syscall6(num, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, errno uintptr)
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TEXT ·Syscall6(SB),NOSPLIT,$0-80
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MOVV num+0(FP), R11 // syscall entry
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MOVV a1+8(FP), R4
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MOVV a2+16(FP), R5
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MOVV a3+24(FP), R6
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MOVV a4+32(FP), R7
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MOVV a5+40(FP), R8
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MOVV a6+48(FP), R9
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SYSCALL
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MOVW $-4096, R12
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BGEU R12, R4, ok
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MOVV $-1, R12
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MOVV R12, r1+56(FP) // r1
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MOVV R0, r2+64(FP) // r2
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SUBVU R4, R0, R4
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MOVV R4, err+72(FP) // errno
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RET
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ok:
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MOVV R4, r1+56(FP) // r1
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MOVV R5, r2+64(FP) // r2
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MOVV R0, err+72(FP) // errno
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RET
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631
src/runtime/sys_linux_loong64.s
Normal file
631
src/runtime/sys_linux_loong64.s
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@ -0,0 +1,631 @@
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// Copyright 2022 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//
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// System calls and other sys.stuff for loong64, Linux
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//
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#include "go_asm.h"
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#include "go_tls.h"
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#include "textflag.h"
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#define AT_FDCWD -100
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#define SYS_exit 93
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#define SYS_read 63
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#define SYS_write 64
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#define SYS_close 57
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#define SYS_getpid 172
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#define SYS_kill 129
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#define SYS_fcntl 25
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#define SYS_mmap 222
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#define SYS_munmap 215
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#define SYS_setitimer 103
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#define SYS_clone 220
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#define SYS_nanosleep 101
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#define SYS_sched_yield 124
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#define SYS_rt_sigreturn 139
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#define SYS_rt_sigaction 134
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#define SYS_rt_sigprocmask 135
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#define SYS_sigaltstack 132
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#define SYS_madvise 233
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#define SYS_mincore 232
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#define SYS_gettid 178
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#define SYS_futex 98
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#define SYS_sched_getaffinity 123
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#define SYS_exit_group 94
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#define SYS_epoll_ctl 21
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#define SYS_tgkill 131
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#define SYS_openat 56
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#define SYS_epoll_pwait 22
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#define SYS_clock_gettime 113
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#define SYS_epoll_create1 20
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#define SYS_brk 214
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#define SYS_pipe2 59
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#define SYS_timer_create 107
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#define SYS_timer_settime 110
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#define SYS_timer_delete 111
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TEXT runtime·exit(SB),NOSPLIT|NOFRAME,$0-4
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MOVW code+0(FP), R4
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MOVV $SYS_exit_group, R11
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SYSCALL
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RET
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// func exitThread(wait *uint32)
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TEXT runtime·exitThread(SB),NOSPLIT|NOFRAME,$0-8
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MOVV wait+0(FP), R19
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// We're done using the stack.
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MOVW $0, R11
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DBAR
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MOVW R11, (R19)
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DBAR
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MOVW $0, R4 // exit code
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MOVV $SYS_exit, R11
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SYSCALL
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JMP 0(PC)
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TEXT runtime·open(SB),NOSPLIT|NOFRAME,$0-20
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MOVW $AT_FDCWD, R4 // AT_FDCWD, so this acts like open
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MOVV name+0(FP), R5
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MOVW mode+8(FP), R6
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MOVW perm+12(FP), R7
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MOVV $SYS_openat, R11
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SYSCALL
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MOVW $-4096, R5
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BGEU R5, R4, 2(PC)
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MOVW $-1, R4
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MOVW R4, ret+16(FP)
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RET
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TEXT runtime·closefd(SB),NOSPLIT|NOFRAME,$0-12
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MOVW fd+0(FP), R4
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MOVV $SYS_close, R11
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SYSCALL
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MOVW $-4096, R5
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BGEU R5, R4, 2(PC)
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MOVW $-1, R4
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MOVW R4, ret+8(FP)
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RET
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TEXT runtime·write1(SB),NOSPLIT|NOFRAME,$0-28
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MOVV fd+0(FP), R4
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MOVV p+8(FP), R5
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MOVW n+16(FP), R6
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MOVV $SYS_write, R11
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SYSCALL
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MOVW R4, ret+24(FP)
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RET
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TEXT runtime·read(SB),NOSPLIT|NOFRAME,$0-28
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MOVW fd+0(FP), R4
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MOVV p+8(FP), R5
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MOVW n+16(FP), R6
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MOVV $SYS_read, R11
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SYSCALL
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MOVW R4, ret+24(FP)
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RET
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// func pipe() (r, w int32, errno int32)
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TEXT runtime·pipe(SB),NOSPLIT|NOFRAME,$0-12
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MOVV $r+0(FP), R4
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MOVV R0, R5
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MOVV $SYS_pipe2, R11
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SYSCALL
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MOVW R4, errno+8(FP)
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RET
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// func pipe2(flags int32) (r, w int32, errno int32)
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TEXT runtime·pipe2(SB),NOSPLIT|NOFRAME,$0-20
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MOVV $r+8(FP), R4
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MOVW flags+0(FP), R5
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MOVV $SYS_pipe2, R11
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SYSCALL
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MOVW R4, errno+16(FP)
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RET
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TEXT runtime·usleep(SB),NOSPLIT,$16-4
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MOVWU usec+0(FP), R6
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MOVV R6, R5
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MOVW $1000000, R4
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DIVVU R4, R6, R6
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MOVV R6, 8(R3)
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MOVW $1000, R4
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MULVU R6, R4, R4
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SUBVU R4, R5
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MOVV R5, 16(R3)
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// nanosleep(&ts, 0)
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ADDV $8, R3, R4
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MOVW $0, R5
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MOVV $SYS_nanosleep, R11
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SYSCALL
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RET
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TEXT runtime·gettid(SB),NOSPLIT,$0-4
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MOVV $SYS_gettid, R11
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SYSCALL
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MOVW R4, ret+0(FP)
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RET
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TEXT runtime·raise(SB),NOSPLIT|NOFRAME,$0
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MOVV $SYS_getpid, R11
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SYSCALL
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MOVW R4, R23
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MOVV $SYS_gettid, R11
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SYSCALL
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MOVW R4, R5 // arg 2 tid
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MOVW R23, R4 // arg 1 pid
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MOVW sig+0(FP), R6 // arg 3
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MOVV $SYS_tgkill, R11
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SYSCALL
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RET
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TEXT runtime·raiseproc(SB),NOSPLIT|NOFRAME,$0
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MOVV $SYS_getpid, R11
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SYSCALL
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//MOVW R4, R4 // arg 1 pid
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MOVW sig+0(FP), R5 // arg 2
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MOVV $SYS_kill, R11
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SYSCALL
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RET
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TEXT ·getpid(SB),NOSPLIT|NOFRAME,$0-8
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MOVV $SYS_getpid, R11
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SYSCALL
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MOVV R4, ret+0(FP)
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RET
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TEXT ·tgkill(SB),NOSPLIT|NOFRAME,$0-24
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MOVV tgid+0(FP), R4
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MOVV tid+8(FP), R5
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MOVV sig+16(FP), R6
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MOVV $SYS_tgkill, R11
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SYSCALL
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RET
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TEXT runtime·setitimer(SB),NOSPLIT|NOFRAME,$0-24
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MOVW mode+0(FP), R4
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MOVV new+8(FP), R5
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MOVV old+16(FP), R6
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MOVV $SYS_setitimer, R11
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SYSCALL
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RET
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TEXT runtime·timer_create(SB),NOSPLIT,$0-28
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MOVW clockid+0(FP), R4
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MOVV sevp+8(FP), R5
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MOVV timerid+16(FP), R6
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MOVV $SYS_timer_create, R11
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SYSCALL
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MOVW R4, ret+24(FP)
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RET
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TEXT runtime·timer_settime(SB),NOSPLIT,$0-28
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MOVW timerid+0(FP), R4
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MOVW flags+4(FP), R5
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MOVV new+8(FP), R6
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MOVV old+16(FP), R7
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MOVV $SYS_timer_settime, R11
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SYSCALL
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MOVW R4, ret+24(FP)
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RET
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TEXT runtime·timer_delete(SB),NOSPLIT,$0-12
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MOVW timerid+0(FP), R4
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MOVV $SYS_timer_delete, R11
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SYSCALL
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MOVW R4, ret+8(FP)
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RET
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TEXT runtime·mincore(SB),NOSPLIT|NOFRAME,$0-28
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MOVV addr+0(FP), R4
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MOVV n+8(FP), R5
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MOVV dst+16(FP), R6
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MOVV $SYS_mincore, R11
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SYSCALL
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MOVW R4, ret+24(FP)
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RET
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// func walltime() (sec int64, nsec int32)
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TEXT runtime·walltime(SB),NOSPLIT,$16-12
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MOVV R3, R23 // R23 is unchanged by C code
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MOVV R3, R25
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MOVV g_m(g), R24 // R24 = m
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// Set vdsoPC and vdsoSP for SIGPROF traceback.
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// Save the old values on stack and restore them on exit,
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// so this function is reentrant.
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MOVV m_vdsoPC(R24), R11
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MOVV m_vdsoSP(R24), R7
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MOVV R11, 8(R3)
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MOVV R7, 16(R3)
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MOVV $ret-8(FP), R11 // caller's SP
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MOVV R1, m_vdsoPC(R24)
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MOVV R11, m_vdsoSP(R24)
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MOVV m_curg(R24), R4
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MOVV g, R5
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BNE R4, R5, noswitch
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MOVV m_g0(R24), R4
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MOVV (g_sched+gobuf_sp)(R4), R25 // Set SP to g0 stack
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noswitch:
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SUBV $16, R25
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AND $~15, R25 // Align for C code
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MOVV R25, R3
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MOVW $0, R4 // CLOCK_REALTIME=0
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MOVV $0(R3), R5
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MOVV runtime·vdsoClockgettimeSym(SB), R20
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BEQ R20, fallback
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JAL (R20)
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finish:
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MOVV 0(R3), R7 // sec
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MOVV 8(R3), R5 // nsec
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MOVV R23, R3 // restore SP
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// Restore vdsoPC, vdsoSP
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// We don't worry about being signaled between the two stores.
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// If we are not in a signal handler, we'll restore vdsoSP to 0,
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// and no one will care about vdsoPC. If we are in a signal handler,
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// we cannot receive another signal.
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MOVV 16(R3), R25
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MOVV R25, m_vdsoSP(R24)
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MOVV 8(R3), R25
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MOVV R25, m_vdsoPC(R24)
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MOVV R7, sec+0(FP)
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MOVW R5, nsec+8(FP)
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RET
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fallback:
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MOVV $SYS_clock_gettime, R11
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SYSCALL
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JMP finish
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TEXT runtime·nanotime1(SB),NOSPLIT,$16-8
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MOVV R3, R23 // R23 is unchanged by C code
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MOVV R3, R25
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MOVV g_m(g), R24 // R24 = m
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// Set vdsoPC and vdsoSP for SIGPROF traceback.
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// Save the old values on stack and restore them on exit,
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// so this function is reentrant.
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MOVV m_vdsoPC(R24), R11
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MOVV m_vdsoSP(R24), R7
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MOVV R11, 8(R3)
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MOVV R7, 16(R3)
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MOVV $ret-8(FP), R11 // caller's SP
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MOVV R1, m_vdsoPC(R24)
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MOVV R11, m_vdsoSP(R24)
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MOVV m_curg(R24), R4
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MOVV g, R5
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BNE R4, R5, noswitch
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MOVV m_g0(R24), R4
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MOVV (g_sched+gobuf_sp)(R4), R25 // Set SP to g0 stack
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noswitch:
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SUBV $16, R25
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AND $~15, R25 // Align for C code
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MOVV R25, R3
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MOVW $1, R4 // CLOCK_MONOTONIC=1
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MOVV $0(R3), R5
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MOVV runtime·vdsoClockgettimeSym(SB), R20
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BEQ R20, fallback
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JAL (R20)
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finish:
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MOVV 0(R3), R7 // sec
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MOVV 8(R3), R5 // nsec
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MOVV R23, R3 // restore SP
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// Restore vdsoPC, vdsoSP
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// We don't worry about being signaled between the two stores.
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// If we are not in a signal handler, we'll restore vdsoSP to 0,
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// and no one will care about vdsoPC. If we are in a signal handler,
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// we cannot receive another signal.
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MOVV 16(R3), R25
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MOVV R25, m_vdsoSP(R24)
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MOVV 8(R3), R25
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MOVV R25, m_vdsoPC(R24)
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// sec is in R7, nsec in R5
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// return nsec in R7
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MOVV $1000000000, R4
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MULVU R4, R7, R7
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ADDVU R5, R7
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MOVV R7, ret+0(FP)
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RET
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fallback:
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MOVV $SYS_clock_gettime, R11
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SYSCALL
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JMP finish
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TEXT runtime·rtsigprocmask(SB),NOSPLIT|NOFRAME,$0-28
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MOVW how+0(FP), R4
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MOVV new+8(FP), R5
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MOVV old+16(FP), R6
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MOVW size+24(FP), R7
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MOVV $SYS_rt_sigprocmask, R11
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SYSCALL
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MOVW $-4096, R5
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BGEU R5, R4, 2(PC)
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MOVV R0, 0xf1(R0) // crash
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RET
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TEXT runtime·rt_sigaction(SB),NOSPLIT|NOFRAME,$0-36
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MOVV sig+0(FP), R4
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MOVV new+8(FP), R5
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MOVV old+16(FP), R6
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MOVV size+24(FP), R7
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MOVV $SYS_rt_sigaction, R11
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SYSCALL
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MOVW R4, ret+32(FP)
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RET
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TEXT runtime·sigfwd(SB),NOSPLIT,$0-32
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MOVW sig+8(FP), R4
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MOVV info+16(FP), R5
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MOVV ctx+24(FP), R6
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MOVV fn+0(FP), R20
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JAL (R20)
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RET
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TEXT runtime·sigtramp(SB),NOSPLIT|TOPFRAME,$64
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// this might be called in external code context,
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// where g is not set.
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MOVB runtime·iscgo(SB), R19
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BEQ R19, 2(PC)
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JAL runtime·load_g(SB)
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MOVW R4, 8(R3)
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MOVV R5, 16(R3)
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MOVV R6, 24(R3)
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MOVV $runtime·sigtrampgo(SB), R19
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JAL (R19)
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RET
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TEXT runtime·cgoSigtramp(SB),NOSPLIT,$0
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JMP runtime·sigtramp(SB)
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TEXT runtime·mmap(SB),NOSPLIT|NOFRAME,$0
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MOVV addr+0(FP), R4
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MOVV n+8(FP), R5
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MOVW prot+16(FP), R6
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MOVW flags+20(FP), R7
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MOVW fd+24(FP), R8
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MOVW off+28(FP), R9
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MOVV $SYS_mmap, R11
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SYSCALL
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MOVW $-4096, R5
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BGEU R5, R4, ok
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MOVV $0, p+32(FP)
|
||||
SUBVU R4, R0, R4
|
||||
MOVV R4, err+40(FP)
|
||||
RET
|
||||
ok:
|
||||
MOVV R4, p+32(FP)
|
||||
MOVV $0, err+40(FP)
|
||||
RET
|
||||
|
||||
TEXT runtime·munmap(SB),NOSPLIT|NOFRAME,$0
|
||||
MOVV addr+0(FP), R4
|
||||
MOVV n+8(FP), R5
|
||||
MOVV $SYS_munmap, R11
|
||||
SYSCALL
|
||||
MOVW $-4096, R5
|
||||
BGEU R5, R4, 2(PC)
|
||||
MOVV R0, 0xf3(R0) // crash
|
||||
RET
|
||||
|
||||
TEXT runtime·madvise(SB),NOSPLIT|NOFRAME,$0
|
||||
MOVV addr+0(FP), R4
|
||||
MOVV n+8(FP), R5
|
||||
MOVW flags+16(FP), R6
|
||||
MOVV $SYS_madvise, R11
|
||||
SYSCALL
|
||||
MOVW R4, ret+24(FP)
|
||||
RET
|
||||
|
||||
// int64 futex(int32 *uaddr, int32 op, int32 val,
|
||||
// struct timespec *timeout, int32 *uaddr2, int32 val2);
|
||||
TEXT runtime·futex(SB),NOSPLIT|NOFRAME,$0
|
||||
MOVV addr+0(FP), R4
|
||||
MOVW op+8(FP), R5
|
||||
MOVW val+12(FP), R6
|
||||
MOVV ts+16(FP), R7
|
||||
MOVV addr2+24(FP), R8
|
||||
MOVW val3+32(FP), R9
|
||||
MOVV $SYS_futex, R11
|
||||
SYSCALL
|
||||
MOVW R4, ret+40(FP)
|
||||
RET
|
||||
|
||||
// int64 clone(int32 flags, void *stk, M *mp, G *gp, void (*fn)(void));
|
||||
TEXT runtime·clone(SB),NOSPLIT|NOFRAME,$0
|
||||
MOVW flags+0(FP), R4
|
||||
MOVV stk+8(FP), R5
|
||||
|
||||
// Copy mp, gp, fn off parent stack for use by child.
|
||||
// Careful: Linux system call clobbers ???.
|
||||
MOVV mp+16(FP), R23
|
||||
MOVV gp+24(FP), R24
|
||||
MOVV fn+32(FP), R25
|
||||
|
||||
MOVV R23, -8(R5)
|
||||
MOVV R24, -16(R5)
|
||||
MOVV R25, -24(R5)
|
||||
MOVV $1234, R23
|
||||
MOVV R23, -32(R5)
|
||||
|
||||
MOVV $SYS_clone, R11
|
||||
SYSCALL
|
||||
|
||||
// In parent, return.
|
||||
BEQ R4, 3(PC)
|
||||
MOVW R4, ret+40(FP)
|
||||
RET
|
||||
|
||||
// In child, on new stack.
|
||||
MOVV -32(R3), R23
|
||||
MOVV $1234, R19
|
||||
BEQ R23, R19, 2(PC)
|
||||
MOVV R0, 0(R0)
|
||||
|
||||
// Initialize m->procid to Linux tid
|
||||
MOVV $SYS_gettid, R11
|
||||
SYSCALL
|
||||
|
||||
MOVV -24(R3), R25 // fn
|
||||
MOVV -16(R3), R24 // g
|
||||
MOVV -8(R3), R23 // m
|
||||
|
||||
BEQ R23, nog
|
||||
BEQ R24, nog
|
||||
|
||||
MOVV R4, m_procid(R23)
|
||||
|
||||
// TODO: setup TLS.
|
||||
|
||||
// In child, set up new stack
|
||||
MOVV R23, g_m(R24)
|
||||
MOVV R24, g
|
||||
//CALL runtime·stackcheck(SB)
|
||||
|
||||
nog:
|
||||
// Call fn
|
||||
JAL (R25)
|
||||
|
||||
// It shouldn't return. If it does, exit that thread.
|
||||
MOVW $111, R4
|
||||
MOVV $SYS_exit, R11
|
||||
SYSCALL
|
||||
JMP -3(PC) // keep exiting
|
||||
|
||||
TEXT runtime·sigaltstack(SB),NOSPLIT|NOFRAME,$0
|
||||
MOVV new+0(FP), R4
|
||||
MOVV old+8(FP), R5
|
||||
MOVV $SYS_sigaltstack, R11
|
||||
SYSCALL
|
||||
MOVW $-4096, R5
|
||||
BGEU R5, R4, 2(PC)
|
||||
MOVV R0, 0xf1(R0) // crash
|
||||
RET
|
||||
|
||||
TEXT runtime·osyield(SB),NOSPLIT|NOFRAME,$0
|
||||
MOVV $SYS_sched_yield, R11
|
||||
SYSCALL
|
||||
RET
|
||||
|
||||
TEXT runtime·sched_getaffinity(SB),NOSPLIT|NOFRAME,$0
|
||||
MOVV pid+0(FP), R4
|
||||
MOVV len+8(FP), R5
|
||||
MOVV buf+16(FP), R6
|
||||
MOVV $SYS_sched_getaffinity, R11
|
||||
SYSCALL
|
||||
MOVW R4, ret+24(FP)
|
||||
RET
|
||||
|
||||
// int32 runtime·epollcreate(int32 size);
|
||||
TEXT runtime·epollcreate(SB),NOSPLIT|NOFRAME,$0
|
||||
MOVW size+0(FP), R4
|
||||
MOVV $SYS_epoll_create1, R11
|
||||
SYSCALL
|
||||
MOVW R4, ret+8(FP)
|
||||
RET
|
||||
|
||||
// int32 runtime·epollcreate1(int32 flags);
|
||||
TEXT runtime·epollcreate1(SB),NOSPLIT|NOFRAME,$0
|
||||
MOVW flags+0(FP), R4
|
||||
MOVV $SYS_epoll_create1, R11
|
||||
SYSCALL
|
||||
MOVW R4, ret+8(FP)
|
||||
RET
|
||||
|
||||
// func epollctl(epfd, op, fd int32, ev *epollEvent) int
|
||||
TEXT runtime·epollctl(SB),NOSPLIT|NOFRAME,$0
|
||||
MOVW epfd+0(FP), R4
|
||||
MOVW op+4(FP), R5
|
||||
MOVW fd+8(FP), R6
|
||||
MOVV ev+16(FP), R7
|
||||
MOVV $SYS_epoll_ctl, R11
|
||||
SYSCALL
|
||||
MOVW R4, ret+24(FP)
|
||||
RET
|
||||
|
||||
// int32 runtime·epollwait(int32 epfd, EpollEvent *ev, int32 nev, int32 timeout);
|
||||
TEXT runtime·epollwait(SB),NOSPLIT|NOFRAME,$0
|
||||
MOVW epfd+0(FP), R4
|
||||
MOVV ev+8(FP), R5
|
||||
MOVW nev+16(FP), R6
|
||||
MOVW timeout+20(FP), R7
|
||||
MOVV $0, R8
|
||||
MOVV $SYS_epoll_pwait, R11
|
||||
SYSCALL
|
||||
MOVW R4, ret+24(FP)
|
||||
RET
|
||||
|
||||
// void runtime·closeonexec(int32 fd);
|
||||
TEXT runtime·closeonexec(SB),NOSPLIT|NOFRAME,$0
|
||||
MOVW fd+0(FP), R4 // fd
|
||||
MOVV $2, R5 // F_SETFD
|
||||
MOVV $1, R6 // FD_CLOEXEC
|
||||
MOVV $SYS_fcntl, R11
|
||||
SYSCALL
|
||||
RET
|
||||
|
||||
// func runtime·setNonblock(int32 fd)
|
||||
TEXT runtime·setNonblock(SB),NOSPLIT|NOFRAME,$0-4
|
||||
MOVW fd+0(FP), R4 // fd
|
||||
MOVV $3, R5 // F_GETFL
|
||||
MOVV $0, R6
|
||||
MOVV $SYS_fcntl, R11
|
||||
SYSCALL
|
||||
MOVW $0x800, R6 // O_NONBLOCK
|
||||
OR R4, R6
|
||||
MOVW fd+0(FP), R4 // fd
|
||||
MOVV $4, R5 // F_SETFL
|
||||
MOVV $SYS_fcntl, R11
|
||||
SYSCALL
|
||||
RET
|
||||
|
||||
// func sbrk0() uintptr
|
||||
TEXT runtime·sbrk0(SB),NOSPLIT|NOFRAME,$0-8
|
||||
// Implemented as brk(NULL).
|
||||
MOVV $0, R4
|
||||
MOVV $SYS_brk, R11
|
||||
SYSCALL
|
||||
MOVV R4, ret+0(FP)
|
||||
RET
|
||||
|
||||
TEXT runtime·access(SB),$0-20
|
||||
MOVV R0, 2(R0) // unimplemented, only needed for android; declared in stubs_linux.go
|
||||
MOVW R0, ret+16(FP) // for vet
|
||||
RET
|
||||
|
||||
TEXT runtime·connect(SB),$0-28
|
||||
MOVV R0, 2(R0) // unimplemented, only needed for android; declared in stubs_linux.go
|
||||
MOVW R0, ret+24(FP) // for vet
|
||||
RET
|
||||
|
||||
TEXT runtime·socket(SB),$0-20
|
||||
MOVV R0, 2(R0) // unimplemented, only needed for android; declared in stubs_linux.go
|
||||
MOVW R0, ret+16(FP) // for vet
|
||||
RET
|
Loading…
Reference in New Issue
Block a user