Debugging Go with GoLand: Why "decoding dwarf section info at offset 0x0: too short"?

Debugging Go with GoLand: Resolving "decoding dwarf section info at offset 0x0: too short" Error

While attempting to debug a Go file in JetBrains GoLand, users may encounter the perplexing error, "decoding dwarf section info at offset 0x0: too short." To address this issue effectively, we delve into its underlying causes and provide comprehensive solutions.

Root of the Problem

This error occurs when GoLand encounters insufficient or missing debugging information in the compiled binary. The debugging information, stored in the DWARF (Debug With Arbitrary Record Format) section of the binary, is essential for GoLand to trace the program's execution flow.

Solution for Delve-Based Debugging

If GoLand is using Delve as its debugging engine, the issue can be resolved by updating to GoLand version 2018.2.2 or later. This updated version embeds a compatible version of Delve that can handle the bundled debugging information.

For remote debugging, ensure that the Delve installation on the target machine is also up-to-date. Additionally, the target application should be compiled with debugging flags enabled (e.g., -g).

Alternative Causes and Solutions

In some cases, this error may also arise due to:

1. Stripped Debugging Information:

   • Ensure that the binary was compiled with debugging flags enabled and that no optimizations (e.g., -s) were applied during compilation.

2. Standard Library Issue:

   • Check if the application utilizes the standard library "plugin" package. This issue, which causes the compiler to generate incomplete debugging information, will be resolved in Go 1.12.

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