mirror of
https://github.com/golang/go
synced 2024-11-12 05:40:22 -07:00
runtime: add support for openbsd/arm
Change-Id: I2bc101aa19172e705ee4de5f3c73a8b4bbf4fa6f Reviewed-on: https://go-review.googlesource.com/4912 Reviewed-by: Minux Ma <minux@golang.org>
This commit is contained in:
Joel Sing
parent
3e981d9830
commit
be3133bfda
170
src/runtime/defs_openbsd_arm.go
Normal file
170
src/runtime/defs_openbsd_arm.go
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@ -0,0 +1,170 @@
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// created by cgo -cdefs and then converted to Go
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// cgo -cdefs defs_openbsd.go
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package runtime
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import "unsafe"
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const (
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_EINTR = 0x4
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_EFAULT = 0xe
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_PROT_NONE = 0x0
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_PROT_READ = 0x1
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_PROT_WRITE = 0x2
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_PROT_EXEC = 0x4
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_MAP_ANON = 0x1000
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_MAP_PRIVATE = 0x2
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_MAP_FIXED = 0x10
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_MADV_FREE = 0x6
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_SA_SIGINFO = 0x40
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_SA_RESTART = 0x2
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_SA_ONSTACK = 0x1
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_SIGHUP = 0x1
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_SIGINT = 0x2
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_SIGQUIT = 0x3
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_SIGILL = 0x4
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_SIGTRAP = 0x5
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_SIGABRT = 0x6
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_SIGEMT = 0x7
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_SIGFPE = 0x8
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_SIGKILL = 0x9
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_SIGBUS = 0xa
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_SIGSEGV = 0xb
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_SIGSYS = 0xc
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_SIGPIPE = 0xd
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_SIGALRM = 0xe
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_SIGTERM = 0xf
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_SIGURG = 0x10
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_SIGSTOP = 0x11
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_SIGTSTP = 0x12
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_SIGCONT = 0x13
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_SIGCHLD = 0x14
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_SIGTTIN = 0x15
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_SIGTTOU = 0x16
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_SIGIO = 0x17
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_SIGXCPU = 0x18
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_SIGXFSZ = 0x19
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_SIGVTALRM = 0x1a
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_SIGPROF = 0x1b
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_SIGWINCH = 0x1c
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_SIGINFO = 0x1d
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_SIGUSR1 = 0x1e
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_SIGUSR2 = 0x1f
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_FPE_INTDIV = 0x1
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_FPE_INTOVF = 0x2
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_FPE_FLTDIV = 0x3
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_FPE_FLTOVF = 0x4
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_FPE_FLTUND = 0x5
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_FPE_FLTRES = 0x6
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_FPE_FLTINV = 0x7
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_FPE_FLTSUB = 0x8
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_BUS_ADRALN = 0x1
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_BUS_ADRERR = 0x2
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_BUS_OBJERR = 0x3
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_SEGV_MAPERR = 0x1
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_SEGV_ACCERR = 0x2
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_ITIMER_REAL = 0x0
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_ITIMER_VIRTUAL = 0x1
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_ITIMER_PROF = 0x2
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_EV_ADD = 0x1
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_EV_DELETE = 0x2
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_EV_CLEAR = 0x20
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_EV_ERROR = 0x4000
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_EVFILT_READ = -0x1
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_EVFILT_WRITE = -0x2
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)
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type tforkt struct {
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tf_tcb unsafe.Pointer
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tf_tid *int32
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tf_stack uintptr
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}
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type sigaltstackt struct {
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ss_sp uintptr
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ss_size uintptr
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ss_flags int32
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}
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type sigcontext struct {
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__sc_unused int32
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sc_mask int32
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sc_spsr uint32
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sc_r0 uint32
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sc_r1 uint32
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sc_r2 uint32
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sc_r3 uint32
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sc_r4 uint32
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sc_r5 uint32
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sc_r6 uint32
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sc_r7 uint32
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sc_r8 uint32
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sc_r9 uint32
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sc_r10 uint32
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sc_r11 uint32
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sc_r12 uint32
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sc_usr_sp uint32
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sc_usr_lr uint32
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sc_svc_lr uint32
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sc_pc uint32
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}
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type siginfo struct {
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si_signo int32
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si_code int32
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si_errno int32
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_data [116]byte
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}
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type stackt struct {
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ss_sp uintptr
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ss_size uintptr
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ss_flags int32
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}
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type timespec struct {
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tv_sec int64
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tv_nsec int32
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}
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func (ts *timespec) set_sec(x int64) {
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ts.tv_sec = x
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}
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func (ts *timespec) set_nsec(x int32) {
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ts.tv_nsec = x
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}
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type timeval struct {
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tv_sec int64
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tv_usec int32
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}
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func (tv *timeval) set_usec(x int32) {
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tv.tv_usec = x
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}
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type itimerval struct {
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it_interval timeval
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it_value timeval
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}
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type keventt struct {
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ident uint32
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filter int16
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flags uint16
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fflags uint32
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data int64
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udata *byte
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}
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17
src/runtime/os_openbsd_arm.go
Normal file
17
src/runtime/os_openbsd_arm.go
Normal file
@ -0,0 +1,17 @@
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// Copyright 2013 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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package runtime
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func checkgoarm() {
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// TODO(minux)
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}
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//go:nosplit
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func cputicks() int64 {
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// Currently cputicks() is used in blocking profiler and to seed runtime·fastrand1().
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// runtime·nanotime() is a poor approximation of CPU ticks that is enough for the profiler.
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// TODO: need more entropy to better seed fastrand1.
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return nanotime()
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}
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@ -4,10 +4,8 @@
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#include "textflag.h"
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// FreeBSD and Linux use the same linkage to main
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TEXT _rt0_arm_freebsd(SB),NOSPLIT,$-4
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MOVW (R13), R0 // argc
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MOVW (R13), R0 // argc
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MOVW $4(R13), R1 // argv
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MOVM.DB.W [R0-R1], (R13)
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B runtime·rt0_go(SB)
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@ -15,4 +13,4 @@ TEXT _rt0_arm_freebsd(SB),NOSPLIT,$-4
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TEXT main(SB),NOSPLIT,$-4
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MOVM.DB.W [R0-R1], (R13)
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MOVW $runtime·rt0_go(SB), R4
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B (R4)
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B (R4)
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@ -4,10 +4,8 @@
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#include "textflag.h"
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// FreeBSD/NetBSD and Linux use the same linkage to main
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TEXT _rt0_arm_netbsd(SB),NOSPLIT,$-4
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MOVW (R13), R0 // argc
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MOVW (R13), R0 // argc
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MOVW $4(R13), R1 // argv
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MOVM.DB.W [R0-R1], (R13)
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B runtime·rt0_go(SB)
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11
src/runtime/rt0_openbsd_arm.s
Normal file
11
src/runtime/rt0_openbsd_arm.s
Normal file
@ -0,0 +1,11 @@
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// Copyright 2013 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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#include "textflag.h"
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TEXT _rt0_arm_openbsd(SB),NOSPLIT,$-4
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MOVW (R13), R0 // argc
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MOVW $4(R13), R1 // argv
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MOVM.DB.W [R0-R1], (R13)
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B runtime·rt0_go(SB)
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53
src/runtime/signal_openbsd_arm.go
Normal file
53
src/runtime/signal_openbsd_arm.go
Normal file
@ -0,0 +1,53 @@
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// Copyright 2013 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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package runtime
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import "unsafe"
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type sigctxt struct {
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info *siginfo
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ctxt unsafe.Pointer
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}
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func (c *sigctxt) regs() *sigcontext {
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return (*sigcontext)(c.ctxt)
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}
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func (c *sigctxt) r0() uint32 { return c.regs().sc_r0 }
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func (c *sigctxt) r1() uint32 { return c.regs().sc_r1 }
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func (c *sigctxt) r2() uint32 { return c.regs().sc_r2 }
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func (c *sigctxt) r3() uint32 { return c.regs().sc_r3 }
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func (c *sigctxt) r4() uint32 { return c.regs().sc_r4 }
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func (c *sigctxt) r5() uint32 { return c.regs().sc_r5 }
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func (c *sigctxt) r6() uint32 { return c.regs().sc_r6 }
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func (c *sigctxt) r7() uint32 { return c.regs().sc_r7 }
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func (c *sigctxt) r8() uint32 { return c.regs().sc_r8 }
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func (c *sigctxt) r9() uint32 { return c.regs().sc_r9 }
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func (c *sigctxt) r10() uint32 { return c.regs().sc_r10 }
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func (c *sigctxt) fp() uint32 { return c.regs().sc_r11 }
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func (c *sigctxt) ip() uint32 { return c.regs().sc_r12 }
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func (c *sigctxt) sp() uint32 { return c.regs().sc_usr_sp }
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func (c *sigctxt) lr() uint32 { return c.regs().sc_usr_lr }
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func (c *sigctxt) pc() uint32 { return c.regs().sc_pc }
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func (c *sigctxt) cpsr() uint32 { return c.regs().sc_spsr }
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func (c *sigctxt) fault() uint32 { return c.sigaddr() }
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func (c *sigctxt) trap() uint32 { return 0 }
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func (c *sigctxt) error() uint32 { return 0 }
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func (c *sigctxt) oldmask() uint32 { return 0 }
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func (c *sigctxt) sigcode() uint32 { return uint32(c.info.si_code) }
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func (c *sigctxt) sigaddr() uint32 {
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return *(*uint32)(add(unsafe.Pointer(c.info), 12))
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}
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func (c *sigctxt) set_pc(x uint32) { c.regs().sc_pc = x }
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func (c *sigctxt) set_sp(x uint32) { c.regs().sc_usr_sp = x }
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func (c *sigctxt) set_lr(x uint32) { c.regs().sc_usr_lr = x }
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func (c *sigctxt) set_r10(x uint32) { c.regs().sc_r10 = x }
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func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) }
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func (c *sigctxt) set_sigaddr(x uint32) {
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*(*uint32)(add(unsafe.Pointer(c.info), 12)) = x
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}
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377
src/runtime/sys_openbsd_arm.s
Normal file
377
src/runtime/sys_openbsd_arm.s
Normal file
@ -0,0 +1,377 @@
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// Copyright 2009 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 ARM, OpenBSD
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// /usr/src/sys/kern/syscalls.master for syscall numbers.
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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 CLOCK_REALTIME $0
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#define CLOCK_MONOTONIC $3
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// Exit the entire program (like C exit)
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TEXT runtime·exit(SB),NOSPLIT,$-4
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MOVW status+0(FP), R0 // arg 1 - status
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MOVW $1, R12 // sys_exit
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SWI $0
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MOVW.CS $0, R8 // crash on syscall failure
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MOVW.CS R8, (R8)
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RET
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TEXT runtime·exit1(SB),NOSPLIT,$-4
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MOVW $0, R0 // arg 1 - notdead
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MOVW $302, R12 // sys___threxit
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SWI $0
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MOVW.CS $1, R8 // crash on syscall failure
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MOVW.CS R8, (R8)
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RET
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TEXT runtime·open(SB),NOSPLIT,$-4
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MOVW path+0(FP), R0 // arg 1 - path
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MOVW flags+4(FP), R1 // arg 2 - flags
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MOVW mode+8(FP), R2 // arg 3 - mode
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MOVW $5, R12 // sys_open
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SWI $0
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MOVW R0, ret+12(FP)
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RET
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TEXT runtime·close(SB),NOSPLIT,$-4
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MOVW path+0(FP), R0 // arg 1 - path
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MOVW $6, R12 // sys_close
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SWI $0
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MOVW R0, ret+4(FP)
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RET
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TEXT runtime·read(SB),NOSPLIT,$-4
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MOVW fd+0(FP), R0 // arg 1 - fd
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MOVW buf+4(FP), R1 // arg 2 - buf
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MOVW nbyte+8(FP), R2 // arg 3 - nbyte
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MOVW $3, R12 // sys_read
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SWI $0
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MOVW R0, ret+12(FP)
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RET
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TEXT runtime·write(SB),NOSPLIT,$-4
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MOVW fd+0(FP), R0 // arg 1 - fd
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MOVW buf+4(FP), R1 // arg 2 - buf
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MOVW nbyte+8(FP), R2 // arg 3 - nbyte
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MOVW $4, R12 // sys_write
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SWI $0
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MOVW R0, ret+12(FP)
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RET
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TEXT runtime·usleep(SB),NOSPLIT,$16
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MOVW usec+0(FP), R0
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MOVW R0, R2
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MOVW $1000000, R1
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DIV R1, R0
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MOVW R0, 4(R13) // tv_sec - l32
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MOVW $0, R0
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MOVW R0, 8(R13) // tv_sec - h32
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MOD R1, R2
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MOVW $1000, R1
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MUL R1, R2
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MOVW R2, 12(R13) // tv_nsec
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MOVW $4(R13), R0 // arg 1 - rqtp
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MOVW $0, R1 // arg 2 - rmtp
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MOVW $91, R12 // sys_nanosleep
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SWI $0
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RET
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TEXT runtime·raise(SB),NOSPLIT,$12
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MOVW $0x12B, R12
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SWI $0 // sys_getthrid
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// arg 1 - pid, already in R0
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MOVW sig+0(FP), R1 // arg 2 - signum
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MOVW $37, R12 // sys_kill
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SWI $0
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RET
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TEXT runtime·mmap(SB),NOSPLIT,$16
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MOVW addr+0(FP), R0 // arg 1 - addr
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MOVW len+4(FP), R1 // arg 2 - len
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MOVW prot+8(FP), R2 // arg 3 - prot
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MOVW flags+12(FP), R3 // arg 4 - flags
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MOVW fd+16(FP), R4 // arg 5 - fd (on stack)
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MOVW R4, 4(R13)
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MOVW $0, R5 // arg 6 - pad (on stack)
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MOVW R5, 8(R13)
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MOVW offset+20(FP), R6 // arg 7 - offset (on stack)
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MOVW R6, 12(R13) // lower 32 bits (from Go runtime)
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MOVW $0, R7
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MOVW R7, 16(R13) // high 32 bits
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ADD $4, R13
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MOVW $197, R12 // sys_mmap
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SWI $0
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SUB $4, R13
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MOVW R0, ret+24(FP)
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RET
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TEXT runtime·munmap(SB),NOSPLIT,$0
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MOVW addr+0(FP), R0 // arg 1 - addr
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MOVW len+4(FP), R1 // arg 2 - len
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MOVW $73, R12 // sys_munmap
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SWI $0
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MOVW.CS $0, R8 // crash on syscall failure
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MOVW.CS R8, (R8)
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RET
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TEXT runtime·madvise(SB),NOSPLIT,$0
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MOVW addr+0(FP), R0 // arg 1 - addr
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MOVW len+4(FP), R1 // arg 2 - len
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MOVW behav+8(FP), R2 // arg 2 - behav
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MOVW $75, R12 // sys_madvise
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SWI $0
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MOVW.CS $0, R8 // crash on syscall failure
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MOVW.CS R8, (R8)
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RET
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TEXT runtime·setitimer(SB),NOSPLIT,$0
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MOVW which+0(FP), R0 // arg 1 - which
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MOVW value+4(FP), R1 // arg 2 - value
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MOVW ovalue+8(FP), R2 // arg 3 - ovalue
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MOVW $69, R12 // sys_setitimer
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SWI $0
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RET
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// func now() (sec int64, nsec int32)
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TEXT time·now(SB), NOSPLIT, $32
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MOVW CLOCK_REALTIME, R0 // arg 1 - clock_id
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MOVW $8(R13), R1 // arg 2 - tp
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MOVW $87, R12 // sys_clock_gettime
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SWI $0
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MOVW 8(R13), R0 // sec - l32
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MOVW 12(R13), R1 // sec - h32
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MOVW 16(R13), R2 // nsec
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MOVW R0, sec_lo+0(FP)
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MOVW R1, sec_hi+4(FP)
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MOVW R2, nsec+8(FP)
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RET
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// int64 nanotime(void) so really
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// void nanotime(int64 *nsec)
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TEXT runtime·nanotime(SB),NOSPLIT,$32
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MOVW CLOCK_MONOTONIC, R0 // arg 1 - clock_id
|
||||
MOVW $8(R13), R1 // arg 2 - tp
|
||||
MOVW $87, R12 // sys_clock_gettime
|
||||
SWI $0
|
||||
|
||||
MOVW 8(R13), R0 // sec - l32
|
||||
MOVW 12(R13), R4 // sec - h32
|
||||
MOVW 16(R13), R2 // nsec
|
||||
|
||||
MOVW $1000000000, R3
|
||||
MULLU R0, R3, (R1, R0)
|
||||
MUL R3, R4
|
||||
ADD.S R2, R0
|
||||
ADC R4, R1
|
||||
|
||||
MOVW R0, ret_lo+0(FP)
|
||||
MOVW R1, ret_hi+4(FP)
|
||||
RET
|
||||
|
||||
TEXT runtime·sigaction(SB),NOSPLIT,$0
|
||||
MOVW signum+0(FP), R0 // arg 1 - signum
|
||||
MOVW nsa+4(FP), R1 // arg 2 - nsa
|
||||
MOVW osa+8(FP), R2 // arg 3 - osa
|
||||
MOVW $46, R12 // sys_sigaction
|
||||
SWI $0
|
||||
MOVW.CS $3, R8 // crash on syscall failure
|
||||
MOVW.CS R8, (R8)
|
||||
RET
|
||||
|
||||
TEXT runtime·sigprocmask(SB),NOSPLIT,$0
|
||||
MOVW how+0(FP), R0 // arg 1 - how
|
||||
MOVW mask+4(FP), R1 // arg 2 - mask
|
||||
MOVW $48, R12 // sys_sigprocmask
|
||||
SWI $0
|
||||
MOVW.CS $3, R8 // crash on syscall failure
|
||||
MOVW.CS R8, (R8)
|
||||
MOVW R0, ret+8(FP)
|
||||
RET
|
||||
|
||||
TEXT runtime·sigtramp(SB),NOSPLIT,$24
|
||||
// If called from an external code context, g will not be set.
|
||||
// Save R0, since runtime·load_g will clobber it.
|
||||
MOVW R0, 4(R13) // signum
|
||||
MOVB runtime·iscgo(SB), R0
|
||||
CMP $0, R0
|
||||
BL.NE runtime·load_g(SB)
|
||||
|
||||
CMP $0, g
|
||||
BNE 4(PC)
|
||||
// Signal number saved in 4(R13).
|
||||
MOVW runtime·badsignal(SB), R11
|
||||
BL (R11)
|
||||
RET
|
||||
|
||||
// Save g.
|
||||
MOVW g, R3
|
||||
MOVW g, 20(R13)
|
||||
|
||||
// g = m->signal
|
||||
MOVW g_m(g), R8
|
||||
MOVW m_gsignal(R8), g
|
||||
|
||||
// R0 already saved.
|
||||
MOVW R1, 8(R13) // info
|
||||
MOVW R2, 12(R13) // context
|
||||
MOVW R3, 16(R13) // gp (original g)
|
||||
|
||||
BL runtime·sighandler(SB)
|
||||
|
||||
// Restore g.
|
||||
MOVW 20(R13), g
|
||||
RET
|
||||
|
||||
// int32 tfork(void *param, uintptr psize, M *mp, G *gp, void (*fn)(void));
|
||||
TEXT runtime·tfork(SB),NOSPLIT,$0
|
||||
|
||||
// Copy mp, gp and fn off parent stack for use by child.
|
||||
MOVW mm+8(FP), R4
|
||||
MOVW gg+12(FP), R5
|
||||
MOVW fn+16(FP), R6
|
||||
|
||||
MOVW param+0(FP), R0 // arg 1 - param
|
||||
MOVW psize+4(FP), R1 // arg 2 - psize
|
||||
MOVW $8, R12 // sys___tfork
|
||||
SWI $0
|
||||
|
||||
// Return if syscall failed.
|
||||
B.CC 4(PC)
|
||||
RSB $0, R0
|
||||
MOVW R0, ret+20(FP)
|
||||
RET
|
||||
|
||||
// In parent, return.
|
||||
CMP $0, R0
|
||||
BEQ 3(PC)
|
||||
MOVW R0, ret+20(FP)
|
||||
RET
|
||||
|
||||
// Initialise m, g.
|
||||
MOVW R5, g
|
||||
MOVW R4, g_m(g)
|
||||
|
||||
// Paranoia; check that stack splitting code works.
|
||||
BL runtime·emptyfunc(SB)
|
||||
|
||||
// Call fn.
|
||||
BL (R6)
|
||||
|
||||
BL runtime·exit1(SB)
|
||||
MOVW $2, R8 // crash if reached
|
||||
MOVW R8, (R8)
|
||||
RET
|
||||
|
||||
TEXT runtime·sigaltstack(SB),NOSPLIT,$0
|
||||
MOVW nss+0(FP), R0 // arg 1 - nss
|
||||
MOVW oss+4(FP), R1 // arg 2 - oss
|
||||
MOVW $288, R12 // sys_sigaltstack
|
||||
SWI $0
|
||||
MOVW.CS $0, R8 // crash on syscall failure
|
||||
MOVW.CS R8, (R8)
|
||||
RET
|
||||
|
||||
TEXT runtime·osyield(SB),NOSPLIT,$0
|
||||
MOVW $298, R12 // sys_sched_yield
|
||||
SWI $0
|
||||
RET
|
||||
|
||||
TEXT runtime·thrsleep(SB),NOSPLIT,$4
|
||||
MOVW ident+0(FP), R0 // arg 1 - ident
|
||||
MOVW clock_id+4(FP), R1 // arg 2 - clock_id
|
||||
MOVW tp+8(FP), R2 // arg 3 - tp
|
||||
MOVW lock+12(FP), R3 // arg 4 - lock
|
||||
MOVW abort+16(FP), R4 // arg 5 - abort (on stack)
|
||||
MOVW R4, 4(R13)
|
||||
ADD $4, R13
|
||||
MOVW $94, R12 // sys___thrsleep
|
||||
SWI $0
|
||||
SUB $4, R13
|
||||
MOVW R0, ret+20(FP)
|
||||
RET
|
||||
|
||||
TEXT runtime·thrwakeup(SB),NOSPLIT,$0
|
||||
MOVW ident+0(FP), R0 // arg 1 - ident
|
||||
MOVW n+4(FP), R1 // arg 2 - n
|
||||
MOVW $301, R12 // sys___thrwakeup
|
||||
SWI $0
|
||||
MOVW R0, ret+8(FP)
|
||||
RET
|
||||
|
||||
TEXT runtime·sysctl(SB),NOSPLIT,$8
|
||||
MOVW name+0(FP), R0 // arg 1 - name
|
||||
MOVW namelen+4(FP), R1 // arg 2 - namelen
|
||||
MOVW oldp+8(FP), R2 // arg 3 - oldp
|
||||
MOVW oldlenp+12(FP), R3 // arg 4 - oldlenp
|
||||
MOVW newp+16(FP), R4 // arg 5 - newp (on stack)
|
||||
MOVW R4, 4(R13)
|
||||
MOVW newlen+20(FP), R5 // arg 6 - newlen (on stack)
|
||||
MOVW R5, 8(R13)
|
||||
ADD $4, R13
|
||||
MOVW $202, R12 // sys___sysctl
|
||||
SWI $0
|
||||
SUB $4, R13
|
||||
MOVW.CC $0, R0
|
||||
RSB.CS $0, R0
|
||||
MOVW R0, ret+24(FP)
|
||||
RET
|
||||
|
||||
// int32 runtime·kqueue(void);
|
||||
TEXT runtime·kqueue(SB),NOSPLIT,$0
|
||||
MOVW $269, R12 // sys_kqueue
|
||||
SWI $0
|
||||
RSB.CS $0, R0
|
||||
MOVW R0, ret+0(FP)
|
||||
RET
|
||||
|
||||
// int32 runtime·kevent(int kq, Kevent *changelist, int nchanges, Kevent *eventlist, int nevents, Timespec *timeout);
|
||||
TEXT runtime·kevent(SB),NOSPLIT,$8
|
||||
MOVW fd+0(FP), R0 // arg 1 - fd
|
||||
MOVW changelist+4(FP), R1 // arg 2 - changelist
|
||||
MOVW nchanges+8(FP), R2 // arg 3 - nchanges
|
||||
MOVW eventlist+12(FP), R3 // arg 4 - eventlist
|
||||
MOVW nevents+16(FP), R4 // arg 5 - nevents (on stack)
|
||||
MOVW R4, 4(R13)
|
||||
MOVW timeout+20(FP), R5 // arg 6 - timeout (on stack)
|
||||
MOVW R5, 8(R13)
|
||||
ADD $4, R13
|
||||
MOVW $72, R12 // sys_kevent
|
||||
SWI $0
|
||||
RSB.CS $0, R0
|
||||
SUB $4, R13
|
||||
MOVW R0, ret+24(FP)
|
||||
RET
|
||||
|
||||
// int32 runtime·closeonexec(int32 fd);
|
||||
TEXT runtime·closeonexec(SB),NOSPLIT,$0
|
||||
MOVW fd+0(FP), R0 // arg 1 - fd
|
||||
MOVW $2, R1 // arg 2 - cmd (F_SETFD)
|
||||
MOVW $1, R2 // arg 3 - arg (FD_CLOEXEC)
|
||||
MOVW $92, R12 // sys_fcntl
|
||||
SWI $0
|
||||
RSB.CS $0, R0
|
||||
MOVW R0, ret+4(FP)
|
||||
RET
|
||||
|
||||
TEXT runtime·casp1(SB),NOSPLIT,$0
|
||||
//B runtime·armcas(SB)
|
||||
B runtime·cas(SB)
|
||||
|
||||
TEXT runtime·cas(SB),NOSPLIT,$0
|
||||
B runtime·armcas(SB)
|
||||
|
||||
// TODO(jsing): Implement.
|
||||
TEXT runtime·read_tls_fallback(SB),NOSPLIT,$-4
|
||||
MOVW $5, R0
|
||||
MOVW R0, (R0)
|
||||
RET
|
||||
Loading…
Reference in New Issue
Block a user