Delve

Introduction

Delve is used for Go program debugging thanks to its simplicity and complete features.

Installation Mode

1

go get -u github.com/go-delve/delve/cmd/dlv

Usage

• Initialize the module to generate a go.mod file.

  go mod init Module name

• Debug the application.

  dlv debug File name

  

  This command is used to access the debugging mode.

• dlv debugging command

  (dlv) command *args

  

  dlv is displayed when accessing the dlv debugging page. command indicates the debugging command to be executed (some commands are abbreviated). *args indicates the parameters required by some debugging commands.

  Common parameters are as follows:

  Parameter	Description
  h	Views the usage.
  b	Sets a breakpoint.
  c	Runs till the breakpoint or the program stops.
  disass	Performs disassembling.
  n	Goes to the next line.
  r	Restarts the process.
  bt	Displays the stack trace information.
  s	Executes the program in step-by-step mode.
  p	Calculates an expression.
  ls	Displays the source code.
  q	Exits the debugger.