// syscall_aix_ppc.go -- AIX 32-bit specific support // Copyright 2017 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package syscall import "unsafe" // AIX does not define a specific structure but instead uses separate // ptrace calls for the different registers. type PtraceRegs struct { Gpr [32]uint32 Iar uint32 Msr uint32 Cr uint32 Lr uint32 Ctr uint32 Xer uint32 } func (r *PtraceRegs) PC() uint64 { return uint64(r.Iar) } func (r *PtraceRegs) SetPC(pc uint64) { r.Iar = uint32(pc) } func PtraceGetRegs(pid int, regsout *PtraceRegs) (err error) { ptrace(_PT_REGSET, pid, uintptr(unsafe.Pointer(®sout.Gpr[0])), 0, 0) regsout.Iar = uint32(ptrace(_PT_READ_GPR, pid, 128, 0, 0)) regsout.Msr = uint32(ptrace(_PT_READ_GPR, pid, 129, 0, 0)) regsout.Cr = uint32(ptrace(_PT_READ_GPR, pid, 130, 0, 0)) regsout.Lr = uint32(ptrace(_PT_READ_GPR, pid, 131, 0, 0)) regsout.Ctr = uint32(ptrace(_PT_READ_GPR, pid, 132, 0, 0)) regsout.Xer = uint32(ptrace(_PT_READ_GPR, pid, 133, 0, 0)) return nil } func PtraceSetRegs(pid int, regs *PtraceRegs) (err error) { for i := 0; i < len(regs.Gpr); i++ { ptrace(_PT_WRITE_GPR, pid, uintptr(i), int(regs.Gpr[i]), 0) } ptrace(_PT_WRITE_GPR, pid, 128, int(regs.Iar), 0) ptrace(_PT_WRITE_GPR, pid, 129, int(regs.Msr), 0) ptrace(_PT_WRITE_GPR, pid, 130, int(regs.Cr), 0) ptrace(_PT_WRITE_GPR, pid, 131, int(regs.Lr), 0) ptrace(_PT_WRITE_GPR, pid, 132, int(regs.Ctr), 0) ptrace(_PT_WRITE_GPR, pid, 133, int(regs.Xer), 0) return nil }