149331ec5f
PR go/82559
Backport from mainline:
https://golang.org/cl/46712
https://golang.org/cl/46839
From-SVN: r253770
41 lines
1.0 KiB
Go
41 lines
1.0 KiB
Go
// syscall_linux_s390x.go -- GNU/Linux s390x specific support
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// Copyright 2014 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 syscall
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import "unsafe"
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func (r *PtraceRegs) PC() uint64 { return r.Psw.addr }
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func (r *PtraceRegs) SetPC(pc uint64) { r.Psw.addr = pc }
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const syscall_PTRACE_PEEKUSR_AREA = 0x5000
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const syscall_PTRACE_POKEUSR_AREA = 0x5001
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type syscall_ptrace_area struct {
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len uint32
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kernel_addr uint64
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process_addr uint64
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}
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func PtraceGetRegs(pid int, regs *PtraceRegs) (err error) {
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parea := syscall_ptrace_area{
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24,
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0,
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uint64(uintptr(unsafe.Pointer(regs))),
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}
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return ptrace(syscall_PTRACE_PEEKUSR_AREA, pid, uintptr(unsafe.Pointer(&parea)), 0)
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}
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func PtraceSetRegs(pid int, regs *PtraceRegs) (err error) {
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parea := syscall_ptrace_area{
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24,
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0,
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uint64(uintptr(unsafe.Pointer(regs))),
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}
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return ptrace(syscall_PTRACE_POKEUSR_AREA, pid, uintptr(unsafe.Pointer(&parea)), 0)
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}
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