ac1aa98378
the proper way to kill the target process is to pass true to Detach. Everything except old test code did that already.
104 lines
2.9 KiB
Go
104 lines
2.9 KiB
Go
package proc
|
|
|
|
import (
|
|
"go/ast"
|
|
)
|
|
|
|
// Process represents the target of the debugger. This
|
|
// target could be a system process, core file, etc.
|
|
//
|
|
// Implementations of Process are not required to be thread safe and users
|
|
// of Process should not assume they are.
|
|
// There is one exception to this rule: it is safe to call RequestManualStop
|
|
// concurrently with ContinueOnce.
|
|
type Process interface {
|
|
Info
|
|
ProcessManipulation
|
|
BreakpointManipulation
|
|
RecordingManipulation
|
|
}
|
|
|
|
// RecordingManipulation is an interface for manipulating process recordings.
|
|
type RecordingManipulation interface {
|
|
// Recorded returns true if the current process is a recording and the path
|
|
// to the trace directory.
|
|
Recorded() (recorded bool, tracedir string)
|
|
// Restart restarts the recording from the specified position, or from the
|
|
// last checkpoint if pos == "".
|
|
// If pos starts with 'c' it's a checkpoint ID, otherwise it's an event
|
|
// number.
|
|
Restart(pos string) error
|
|
// Direction changes execution direction.
|
|
Direction(Direction) error
|
|
// When returns current recording position.
|
|
When() (string, error)
|
|
// Checkpoint sets a checkpoint at the current position.
|
|
Checkpoint(where string) (id int, err error)
|
|
// Checkpoints returns the list of currently set checkpoint.
|
|
Checkpoints() ([]Checkpoint, error)
|
|
// ClearCheckpoint removes a checkpoint.
|
|
ClearCheckpoint(id int) error
|
|
}
|
|
|
|
type Direction int8
|
|
|
|
const (
|
|
Forward Direction = 0
|
|
Backward Direction = 1
|
|
)
|
|
|
|
// Checkpoint is a checkpoint
|
|
type Checkpoint struct {
|
|
ID int
|
|
When string
|
|
Where string
|
|
}
|
|
|
|
// Info is an interface that provides general information on the target.
|
|
type Info interface {
|
|
Pid() int
|
|
// ResumeNotify specifies a channel that will be closed the next time
|
|
// ContinueOnce finishes resuming the target.
|
|
ResumeNotify(chan<- struct{})
|
|
Exited() bool
|
|
BinInfo() *BinaryInfo
|
|
|
|
ThreadInfo
|
|
GoroutineInfo
|
|
}
|
|
|
|
// ThreadInfo is an interface for getting information on active threads
|
|
// in the process.
|
|
type ThreadInfo interface {
|
|
FindThread(threadID int) (Thread, bool)
|
|
ThreadList() []Thread
|
|
CurrentThread() Thread
|
|
}
|
|
|
|
// GoroutineInfo is an interface for getting information on running goroutines.
|
|
type GoroutineInfo interface {
|
|
SelectedGoroutine() *G
|
|
}
|
|
|
|
// ProcessManipulation is an interface for changing the execution state of a process.
|
|
type ProcessManipulation interface {
|
|
ContinueOnce() (trapthread Thread, err error)
|
|
StepInstruction() error
|
|
SwitchThread(int) error
|
|
SwitchGoroutine(int) error
|
|
RequestManualStop() error
|
|
// CheckAndClearManualStopRequest returns true the first time it's called
|
|
// after a call to RequestManualStop.
|
|
CheckAndClearManualStopRequest() bool
|
|
Halt() error
|
|
Detach(bool) error
|
|
}
|
|
|
|
// BreakpointManipulation is an interface for managing breakpoints.
|
|
type BreakpointManipulation interface {
|
|
Breakpoints() *BreakpointMap
|
|
SetBreakpoint(addr uint64, kind BreakpointKind, cond ast.Expr) (*Breakpoint, error)
|
|
ClearBreakpoint(addr uint64) (*Breakpoint, error)
|
|
ClearInternalBreakpoints() error
|
|
}
|