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Diffstat (limited to 'docs/SourceLevelDebugging.html')
| -rw-r--r-- | docs/SourceLevelDebugging.html | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/docs/SourceLevelDebugging.html b/docs/SourceLevelDebugging.html index 4a55a1c1a2..263f40c6eb 100644 --- a/docs/SourceLevelDebugging.html +++ b/docs/SourceLevelDebugging.html @@ -378,6 +378,7 @@ deleted.</p> sbyte*, ;; Source file name sbyte*, ;; Source file directory (includes trailing slash) sbyte* ;; Producer (ex. "4.0.1 LLVM (LLVM research group)") + bool ;; True if this is a main compile unit. } </pre> @@ -392,6 +393,14 @@ specific source file. Global variables and top level functions would be defined using this context. Compile unit descriptors also provide context for source line correspondence.</p> +<p> Each input file is encoded as a separate compile unit in LLVM debugging +information output. However, many target specific tool chains prefer to encode +only one compile unit in an object file. In this situation, the LLVM code +generator will include debugging information entities in the compile unit +that is marked as main compile unit. The code generator accepts maximum one main +compile unit per module. If a module does not contain any main compile unit +then the code generator will emit multiple compile units in the output object +file. </div> <!-- ======================================================================= --> |