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Specific Options for DBX Output

These are specific options for DBX output.

DBX_DEBUGGING_INFO
Define this macro if GNU CC should produce debugging output for DBX in response to the `-g' option.
XCOFF_DEBUGGING_INFO
Define this macro if GNU CC should produce XCOFF format debugging output in response to the `-g' option. This is a variant of DBX format.
DEFAULT_GDB_EXTENSIONS
Define this macro to control whether GNU CC should by default generate GDB's extended version of DBX debugging information (assuming DBX-format debugging information is enabled at all). If you don't define the macro, the default is 1: always generate the extended information if there is any occasion to.
DEBUG_SYMS_TEXT
Define this macro if all .stabs commands should be output while in the text section.
ASM_STABS_OP
A C string constant naming the assembler pseudo op to use instead of .stabs to define an ordinary debugging symbol. If you don't define this macro, .stabs is used. This macro applies only to DBX debugging information format.
ASM_STABD_OP
A C string constant naming the assembler pseudo op to use instead of .stabd to define a debugging symbol whose value is the current location. If you don't define this macro, .stabd is used. This macro applies only to DBX debugging information format.
ASM_STABN_OP
A C string constant naming the assembler pseudo op to use instead of .stabn to define a debugging symbol with no name. If you don't define this macro, .stabn is used. This macro applies only to DBX debugging information format.
DBX_NO_XREFS
Define this macro if DBX on your system does not support the construct `xstagname'. On some systems, this construct is used to describe a forward reference to a structure named tagname. On other systems, this construct is not supported at all.
DBX_CONTIN_LENGTH
A symbol name in DBX-format debugging information is normally continued (split into two separate .stabs directives) when it exceeds a certain length (by default, 80 characters). On some operating systems, DBX requires this splitting; on others, splitting must not be done. You can inhibit splitting by defining this macro with the value zero. You can override the default splitting-length by defining this macro as an expression for the length you desire.
DBX_CONTIN_CHAR
Normally continuation is indicated by adding a `\' character to the end of a .stabs string when a continuation follows. To use a different character instead, define this macro as a character constant for the character you want to use. Do not define this macro if backslash is correct for your system.
DBX_STATIC_STAB_DATA_SECTION
Define this macro if it is necessary to go to the data section before outputting the `.stabs' pseudo-op for a non-global static variable.
DBX_TYPE_DECL_STABS_CODE
The value to use in the "code" field of the .stabs directive for a typedef. The default is N_LSYM.
DBX_STATIC_CONST_VAR_CODE
The value to use in the "code" field of the .stabs directive for a static variable located in the text section. DBX format does not provide any "right" way to do this. The default is N_FUN.
DBX_REGPARM_STABS_CODE
The value to use in the "code" field of the .stabs directive for a parameter passed in registers. DBX format does not provide any "right" way to do this. The default is N_RSYM.
DBX_REGPARM_STABS_LETTER
The letter to use in DBX symbol data to identify a symbol as a parameter passed in registers. DBX format does not customarily provide any way to do this. The default is 'P'.
DBX_MEMPARM_STABS_LETTER
The letter to use in DBX symbol data to identify a symbol as a stack parameter. The default is 'p'.
DBX_FUNCTION_FIRST
Define this macro if the DBX information for a function and its arguments should precede the assembler code for the function. Normally, in DBX format, the debugging information entirely follows the assembler code.
DBX_LBRAC_FIRST
Define this macro if the N_LBRAC symbol for a block should precede the debugging information for variables and functions defined in that block. Normally, in DBX format, the N_LBRAC symbol comes first.
DBX_BLOCKS_FUNCTION_RELATIVE
Define this macro if the value of a symbol describing the scope of a block (N_LBRAC or N_RBRAC) should be relative to the start of the enclosing function. Normally, GNU C uses an absolute address.
DBX_USE_BINCL
Define this macro if GNU C should generate N_BINCL and N_EINCL stabs for included header files, as on Sun systems. This macro also directs GNU C to output a type number as a pair of a file number and a type number within the file. Normally, GNU C does not generate N_BINCL or N_EINCL stabs, and it outputs a single number for a type number.


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