Using and Porting GNU CC
16.17: Controlling Debugging Information Format
All Debuggers
Macros that affect all debugging formats uniformly.
DBX Options
Macros enabling specific options in DBX format.
DBX Hooks
Hook macros for varying DBX format.
File Names and DBX
Macros controlling output of file names in DBX format.
SDB and DWARF
Macros for SDB (COFF) and DWARF formats.
Using and Porting GNU CC