delve/service/rpc1/server.go
Alessandro Arzilli 310a124dba
service/*: remove threadID argument of (*Debugger).PackageVariables (#2182)
* Travis-CI: add ignorechecksum option to chocolatey command

Looks like a configuration problem on chocolatey's end.

* service/*: remove threadID argument of (*Debugger).PackageVariables

Which thread is used doesn't make any difference to the list of package
variables that is returned and this option was only ever used by an old
v1 API call.
2020-09-24 08:02:29 -07:00

329 lines
8.0 KiB
Go

package rpc1
import (
"errors"
"fmt"
"github.com/go-delve/delve/pkg/proc"
"github.com/go-delve/delve/service"
"github.com/go-delve/delve/service/api"
"github.com/go-delve/delve/service/debugger"
)
var defaultLoadConfig = proc.LoadConfig{
FollowPointers: true,
MaxVariableRecurse: 1,
MaxStringLen: 64,
MaxArrayValues: 64,
MaxStructFields: -1,
}
type RPCServer struct {
// config is all the information necessary to start the debugger and server.
config *service.Config
// debugger is a debugger service.
debugger *debugger.Debugger
}
func NewServer(config *service.Config, debugger *debugger.Debugger) *RPCServer {
return &RPCServer{config, debugger}
}
func (s *RPCServer) ProcessPid(arg1 interface{}, pid *int) error {
*pid = s.debugger.ProcessPid()
return nil
}
func (s *RPCServer) Detach(kill bool, ret *int) error {
err := s.debugger.Detach(kill)
if s.config.DisconnectChan != nil {
close(s.config.DisconnectChan)
}
return err
}
func (s *RPCServer) Restart(arg1 interface{}, arg2 *int) error {
if s.config.Debugger.AttachPid != 0 {
return errors.New("cannot restart process Delve did not create")
}
_, err := s.debugger.Restart(false, "", false, nil, [3]string{}, false)
return err
}
func (s *RPCServer) State(arg interface{}, state *api.DebuggerState) error {
st, err := s.debugger.State(false)
if err != nil {
return err
}
*state = *st
return nil
}
func (s *RPCServer) Command(command *api.DebuggerCommand, cb service.RPCCallback) {
st, err := s.debugger.Command(command)
cb.Return(st, err)
}
func (s *RPCServer) GetBreakpoint(id int, breakpoint *api.Breakpoint) error {
bp := s.debugger.FindBreakpoint(id)
if bp == nil {
return fmt.Errorf("no breakpoint with id %d", id)
}
*breakpoint = *bp
return nil
}
func (s *RPCServer) GetBreakpointByName(name string, breakpoint *api.Breakpoint) error {
bp := s.debugger.FindBreakpointByName(name)
if bp == nil {
return fmt.Errorf("no breakpoint with name %s", name)
}
*breakpoint = *bp
return nil
}
type StacktraceGoroutineArgs struct {
Id int
Depth int
Full bool
}
func (s *RPCServer) StacktraceGoroutine(args *StacktraceGoroutineArgs, locations *[]api.Stackframe) error {
var loadcfg *proc.LoadConfig = nil
if args.Full {
loadcfg = &defaultLoadConfig
}
locs, err := s.debugger.Stacktrace(args.Id, args.Depth, 0)
if err != nil {
return err
}
*locations, err = s.debugger.ConvertStacktrace(locs, loadcfg)
return err
}
func (s *RPCServer) ListBreakpoints(arg interface{}, breakpoints *[]*api.Breakpoint) error {
*breakpoints = s.debugger.Breakpoints()
return nil
}
func (s *RPCServer) CreateBreakpoint(bp, newBreakpoint *api.Breakpoint) error {
createdbp, err := s.debugger.CreateBreakpoint(bp)
if err != nil {
return err
}
*newBreakpoint = *createdbp
return nil
}
func (s *RPCServer) ClearBreakpoint(id int, breakpoint *api.Breakpoint) error {
bp := s.debugger.FindBreakpoint(id)
if bp == nil {
return fmt.Errorf("no breakpoint with id %d", id)
}
deleted, err := s.debugger.ClearBreakpoint(bp)
if err != nil {
return err
}
*breakpoint = *deleted
return nil
}
func (s *RPCServer) ClearBreakpointByName(name string, breakpoint *api.Breakpoint) error {
bp := s.debugger.FindBreakpointByName(name)
if bp == nil {
return fmt.Errorf("no breakpoint with name %s", name)
}
deleted, err := s.debugger.ClearBreakpoint(bp)
if err != nil {
return err
}
*breakpoint = *deleted
return nil
}
func (s *RPCServer) AmendBreakpoint(amend *api.Breakpoint, unused *int) error {
*unused = 0
return s.debugger.AmendBreakpoint(amend)
}
func (s *RPCServer) ListThreads(arg interface{}, threads *[]*api.Thread) (err error) {
pthreads, err := s.debugger.Threads()
if err != nil {
return err
}
s.debugger.LockTarget()
defer s.debugger.UnlockTarget()
*threads = api.ConvertThreads(pthreads)
return nil
}
func (s *RPCServer) GetThread(id int, thread *api.Thread) error {
t, err := s.debugger.FindThread(id)
if err != nil {
return err
}
if t == nil {
return fmt.Errorf("no thread with id %d", id)
}
s.debugger.LockTarget()
defer s.debugger.UnlockTarget()
*thread = *api.ConvertThread(t)
return nil
}
func (s *RPCServer) ListPackageVars(filter string, variables *[]api.Variable) error {
vars, err := s.debugger.PackageVariables(filter, defaultLoadConfig)
if err != nil {
return err
}
*variables = api.ConvertVars(vars)
return nil
}
type ThreadListArgs struct {
Id int
Filter string
}
func (s *RPCServer) ListThreadPackageVars(args *ThreadListArgs, variables *[]api.Variable) error {
vars, err := s.debugger.PackageVariables(args.Filter, defaultLoadConfig)
if err != nil {
return err
}
*variables = api.ConvertVars(vars)
return nil
}
func (s *RPCServer) ListRegisters(arg interface{}, registers *string) error {
state, err := s.debugger.State(false)
if err != nil {
return err
}
dregs, err := s.debugger.ThreadRegisters(state.CurrentThread.ID, false)
if err != nil {
return err
}
regs := api.Registers(api.ConvertRegisters(dregs, s.debugger.DwarfRegisterToString, false))
*registers = regs.String()
return nil
}
func (s *RPCServer) ListLocalVars(scope api.EvalScope, variables *[]api.Variable) error {
vars, err := s.debugger.LocalVariables(scope.GoroutineID, scope.Frame, scope.DeferredCall, defaultLoadConfig)
if err != nil {
return err
}
*variables = api.ConvertVars(vars)
return nil
}
func (s *RPCServer) ListFunctionArgs(scope api.EvalScope, variables *[]api.Variable) error {
vars, err := s.debugger.FunctionArguments(scope.GoroutineID, scope.Frame, scope.DeferredCall, defaultLoadConfig)
if err != nil {
return err
}
*variables = api.ConvertVars(vars)
return nil
}
type EvalSymbolArgs struct {
Scope api.EvalScope
Symbol string
}
func (s *RPCServer) EvalSymbol(args EvalSymbolArgs, variable *api.Variable) error {
v, err := s.debugger.EvalVariableInScope(args.Scope.GoroutineID, args.Scope.Frame, args.Scope.DeferredCall, args.Symbol, defaultLoadConfig)
if err != nil {
return err
}
*variable = *api.ConvertVar(v)
return nil
}
type SetSymbolArgs struct {
Scope api.EvalScope
Symbol string
Value string
}
func (s *RPCServer) SetSymbol(args SetSymbolArgs, unused *int) error {
*unused = 0
return s.debugger.SetVariableInScope(args.Scope.GoroutineID, args.Scope.Frame, args.Scope.DeferredCall, args.Symbol, args.Value)
}
func (s *RPCServer) ListSources(filter string, sources *[]string) error {
ss, err := s.debugger.Sources(filter)
if err != nil {
return err
}
*sources = ss
return nil
}
func (s *RPCServer) ListFunctions(filter string, funcs *[]string) error {
fns, err := s.debugger.Functions(filter)
if err != nil {
return err
}
*funcs = fns
return nil
}
func (s *RPCServer) ListTypes(filter string, types *[]string) error {
tps, err := s.debugger.Types(filter)
if err != nil {
return err
}
*types = tps
return nil
}
func (s *RPCServer) ListGoroutines(arg interface{}, goroutines *[]*api.Goroutine) error {
gs, _, err := s.debugger.Goroutines(0, 0)
if err != nil {
return err
}
s.debugger.LockTarget()
s.debugger.UnlockTarget()
*goroutines = api.ConvertGoroutines(gs)
return nil
}
func (c *RPCServer) AttachedToExistingProcess(arg interface{}, answer *bool) error {
if c.config.Debugger.AttachPid != 0 {
*answer = true
}
return nil
}
type FindLocationArgs struct {
Scope api.EvalScope
Loc string
}
func (c *RPCServer) FindLocation(args FindLocationArgs, answer *[]api.Location) error {
var err error
*answer, err = c.debugger.FindLocation(args.Scope.GoroutineID, args.Scope.Frame, args.Scope.DeferredCall, args.Loc, false)
return err
}
type DisassembleRequest struct {
Scope api.EvalScope
StartPC, EndPC uint64
Flavour api.AssemblyFlavour
}
func (c *RPCServer) Disassemble(args DisassembleRequest, answer *api.AsmInstructions) error {
var err error
insts, err := c.debugger.Disassemble(args.Scope.GoroutineID, args.StartPC, args.EndPC)
if err != nil {
return err
}
*answer = make(api.AsmInstructions, len(insts))
for i := range insts {
(*answer)[i] = api.ConvertAsmInstruction(insts[i], c.debugger.AsmInstructionText(&insts[i], proc.AssemblyFlavour(args.Flavour)))
}
return nil
}