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- // 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"
- //sys ptrace(request int, id int, addr uintptr, data int, buff uintptr) (val int)
- //ptrace(request _C_int, id int, addr uintptr, data _C_int, buff *byte) _C_int
- // 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
- }
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