mirror of https://go.googlesource.com/go
76 lines
2.6 KiB
Go
76 lines
2.6 KiB
Go
// Copyright 2020 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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//go:build openbsd && !mips64
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package runtime
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import (
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"internal/abi"
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"unsafe"
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)
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// The *_trampoline functions convert from the Go calling convention to the C calling convention
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// and then call the underlying libc function. These are defined in sys_openbsd_$ARCH.s.
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//go:nosplit
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//go:cgo_unsafe_args
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func pthread_attr_init(attr *pthreadattr) int32 {
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ret := libcCall(unsafe.Pointer(abi.FuncPCABI0(pthread_attr_init_trampoline)), unsafe.Pointer(&attr))
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KeepAlive(attr)
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return ret
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}
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func pthread_attr_init_trampoline()
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//go:nosplit
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//go:cgo_unsafe_args
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func pthread_attr_destroy(attr *pthreadattr) int32 {
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ret := libcCall(unsafe.Pointer(abi.FuncPCABI0(pthread_attr_destroy_trampoline)), unsafe.Pointer(&attr))
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KeepAlive(attr)
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return ret
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}
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func pthread_attr_destroy_trampoline()
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//go:nosplit
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//go:cgo_unsafe_args
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func pthread_attr_getstacksize(attr *pthreadattr, size *uintptr) int32 {
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ret := libcCall(unsafe.Pointer(abi.FuncPCABI0(pthread_attr_getstacksize_trampoline)), unsafe.Pointer(&attr))
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KeepAlive(attr)
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KeepAlive(size)
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return ret
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}
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func pthread_attr_getstacksize_trampoline()
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//go:nosplit
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//go:cgo_unsafe_args
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func pthread_attr_setdetachstate(attr *pthreadattr, state int) int32 {
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ret := libcCall(unsafe.Pointer(abi.FuncPCABI0(pthread_attr_setdetachstate_trampoline)), unsafe.Pointer(&attr))
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KeepAlive(attr)
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return ret
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}
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func pthread_attr_setdetachstate_trampoline()
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//go:nosplit
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//go:cgo_unsafe_args
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func pthread_create(attr *pthreadattr, start uintptr, arg unsafe.Pointer) int32 {
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ret := libcCall(unsafe.Pointer(abi.FuncPCABI0(pthread_create_trampoline)), unsafe.Pointer(&attr))
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KeepAlive(attr)
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KeepAlive(arg) // Just for consistency. Arg of course needs to be kept alive for the start function.
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return ret
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}
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func pthread_create_trampoline()
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// Tell the linker that the libc_* functions are to be found
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// in a system library, with the libc_ prefix missing.
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//go:cgo_import_dynamic libc_pthread_attr_init pthread_attr_init "libpthread.so"
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//go:cgo_import_dynamic libc_pthread_attr_destroy pthread_attr_destroy "libpthread.so"
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//go:cgo_import_dynamic libc_pthread_attr_getstacksize pthread_attr_getstacksize "libpthread.so"
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//go:cgo_import_dynamic libc_pthread_attr_setdetachstate pthread_attr_setdetachstate "libpthread.so"
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//go:cgo_import_dynamic libc_pthread_create pthread_create "libpthread.so"
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//go:cgo_import_dynamic libc_pthread_sigmask pthread_sigmask "libpthread.so"
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//go:cgo_import_dynamic _ _ "libpthread.so"
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//go:cgo_import_dynamic _ _ "libc.so"
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