[fpc-devel] DEBUGSTART_, DEBUGINFO_ and DEBUGEND_ symbols

Jonas Maebe jonas.maebe at elis.ugent.be
Sun Nov 22 18:54:20 CET 2009

On 22 Nov 2009, at 18:43, Marc Weustink wrote:

> while adding sourceline info to the Lazarus disassembler output I ran into the DEBUGSTART_<unitnamehere>, DEBUGINFO_<unitnamehere> and DEBUGEND_<unitnamehere> symbols.
> What I wonder is why DEBUGSTART and DEBUGEND are reported as functions, while DEBUGINFO is reported as datavariable (fpc 2.2.4, stabs).

DEBUGSTART and DEBUGEND are symbols in text section, while DEBUGINFO is a label in the data section. I don't know exactly how the mechanism works, but the only purpose of these symbols is to prevent debug info from being smartlinked out. They are irrelevant for the actual debugging.


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