be98a8503c
As proc/native is arch related, it should move some functions to arch-relate file. And this patch can help us to separate the architecture code, make code tidy. So that the merge of arm64 code later will not cause chaos.(#118)
52 lines
1.3 KiB
Go
52 lines
1.3 KiB
Go
package native
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import (
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"syscall"
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"unsafe"
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sys "golang.org/x/sys/unix"
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)
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// PtraceAttach executes the sys.PtraceAttach call.
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func PtraceAttach(pid int) error {
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return sys.PtraceAttach(pid)
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}
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// PtraceDetach calls ptrace(PTRACE_DETACH).
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func PtraceDetach(tid, sig int) error {
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_, _, err := sys.Syscall6(sys.SYS_PTRACE, sys.PTRACE_DETACH, uintptr(tid), 1, uintptr(sig), 0, 0)
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if err != syscall.Errno(0) {
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return err
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}
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return nil
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}
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// PtraceCont executes ptrace PTRACE_CONT
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func PtraceCont(tid, sig int) error {
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return sys.PtraceCont(tid, sig)
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}
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// PtraceSingleStep executes ptrace PTRACE_SINGLE_STEP.
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func PtraceSingleStep(tid int) error {
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return sys.PtraceSingleStep(tid)
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}
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// PtracePokeUser execute ptrace PTRACE_POKE_USER.
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func PtracePokeUser(tid int, off, addr uintptr) error {
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_, _, err := sys.Syscall6(sys.SYS_PTRACE, sys.PTRACE_POKEUSR, uintptr(tid), uintptr(off), uintptr(addr), 0, 0)
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if err != syscall.Errno(0) {
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return err
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}
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return nil
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}
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// PtracePeekUser execute ptrace PTRACE_PEEK_USER.
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func PtracePeekUser(tid int, off uintptr) (uintptr, error) {
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var val uintptr
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_, _, err := syscall.Syscall6(syscall.SYS_PTRACE, syscall.PTRACE_PEEKUSR, uintptr(tid), uintptr(off), uintptr(unsafe.Pointer(&val)), 0, 0)
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if err != syscall.Errno(0) {
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return 0, err
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}
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return val, nil
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}
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