48 lines
1.3 KiB
Go
48 lines
1.3 KiB
Go
// Copyright 2019 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package ptrace
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import (
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"syscall"
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"gvisor.dev/gvisor/pkg/abi/linux"
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)
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// fpRegSet returns the GETREGSET/SETREGSET register set type to be used.
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func fpRegSet(useXsave bool) uintptr {
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if useXsave {
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return linux.NT_X86_XSTATE
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}
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return linux.NT_PRFPREG
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}
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func stackPointer(r *syscall.PtraceRegs) uintptr {
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return uintptr(r.Rsp)
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}
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// x86 use the fs_base register to store the TLS pointer which can be
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// get/set in "func (t *thread) get/setRegs(regs *syscall.PtraceRegs)".
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// So both of the get/setTLS() operations are noop here.
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// getTLS gets the thread local storage register.
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func (t *thread) getTLS(tls *uint64) error {
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return nil
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}
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// setTLS sets the thread local storage register.
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func (t *thread) setTLS(tls *uint64) error {
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return nil
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}
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