a19931c9d3
Replaces sys.Iovec with a similar struct that uses uintptr instead of *byte for the base field when referring to addresses of the target process, so that we do not generate invalid pointers. Fixes #2919
44 lines
1.0 KiB
Go
44 lines
1.0 KiB
Go
package native
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import (
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"syscall"
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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_SINGLESTEP
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func ptraceSingleStep(pid, sig int) error {
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_, _, e1 := sys.Syscall6(sys.SYS_PTRACE, uintptr(sys.PTRACE_SINGLESTEP), uintptr(pid), uintptr(0), uintptr(sig), 0, 0)
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if e1 != 0 {
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return e1
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}
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return nil
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}
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// remoteIovec is like golang.org/x/sys/unix.Iovec but uses uintptr for the
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// base field instead of *byte so that we can use it with addresses that
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// belong to the target process.
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type remoteIovec struct {
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base uintptr
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len uintptr
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}
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