Debug Options - Debug Options - 2026.1 English - UG1702

The syn.debug commands enable debugging in the HLS component and specify where to write debugging output.

syn.debug.enable

Enable debug file generation. If you do not enable it, HLS can still optimize the component during compilation, but the component cannot be debugged.

syn.debug.enable=1

Tip: This option relates to the v++ -c -g option. You must manually enable this option in the HLS component when debugging at the Application level.

syn.debug.directory

Specifies the location of to write the output of HLS debugging. If you do not specify it, the location sets to hls/.debug.

syn.debug.directory=../../debug