gcc/gcc/dwarf2out.c

24 	   the file numbers are used by .debug_info.  Alternately, leave
30    information, which is also used by the GCC efficient exception handling
41 	   of the function, are used to calculate its value at runtime.
171    scopes.  This table is used to find the proper place to
273 /* Whether the default text and cold text sections have been used at all.  */
531 /* Describe for the GTY machinery what parts of dw_cfi_oprnd1 are used.  */
578 /* Describe for the GTY machinery what parts of dw_cfi_oprnd2 are used.  */
754 /* Output the call frame information used to record information
1064   /* ??? current_function_func_begin_label is also used by except.c for
1065      call-site information.  We must emit this label if it might be used.  */
1205 /* Note that the current function section is being used for code.  */
1242   /* There is no need to mark used sections when not debugging.  */
2531    The types below are used to describe the internal representation.  */
2558    that are used in the real dwarf line table.  Arrays of these entries
2599      These are used to minimize the changes to the next row.  */
2645   /* Die is used and must not be pruned as unused.  */
2797 /* This location is used by calc_die_sizes() to keep track
3410 /* Section names used to hold DWARF debugging information.  */
3556    options is used and DWARF2_DEBUGGING_INFO is in effect.
5394 /* Keep track of the number of spaces used to indent the
7243    a pointer to the copy of DIE.  If DECL_TABLE is provided, it is used
8090 	       so DW_FORM_flag_present can be used.  If that ever changes,
8179     /* Count the null byte used to terminate sibling lists.  */
8215    DIEs in the same CU will be marked.  We used to clear out the offset
8345   /* Count the two zero words used to terminated the address range table.  */
8482 	     so DW_FORM_flag_present can be used.  If that ever changes,
8859 	     used for unsigned constants below, but gdb 4.x does not sign
8956 		 so DW_FORM_flag_present can be used.  If that ever changes,
9532 /* Output the public names table used to speed up access to externally
9533    visible names; or the public types table used to find type definitions.  */
9649      not used; if the sections were not used, the length will be 0 and
9868   int dir_idx;		/* Index of directory used as base.  */
9963    the total amount of memory needed.  A heuristic is used to avoid large
10001   /* Find all the different directories used.  */
10115      used in the debug info generation.  To do this efficiently we
10321      In this implementation of DWARF, this field is used for information
11518 	  /* If drap register is used to align stack, use frame
11553 	 on the stack when drap is used to align stack.
11556 	 used as vdrap or drap in some spot might be used for something
12687 	       /* If DW_OP_const{1,2,4}u won't be used, it is shorter
13141 	     When it is an integer, a CONST_DOUBLE is used whenever
13550    MODE is mode of the decl if this loc_descriptor is going to be used in
13661 	     or a floating-point constant.  A CONST_DOUBLE is used whenever
14410      description.  This is used when processing PLACEHOLDER_EXPR nodes.  */
14421      will be returned (i.e. DW_OP_reg can be used
14538 	     	  module.  We used DW_OP_addr as first op, but that's
14554 		 no longer appear in gimple code.  We used the control
15177 	 Fortunately, there is a simple rule-of-thumb which can be used
15204 	 the structure type). The value we deduce is then used (by the
15286 /* Attach the specialized form of location attribute used for data members of
15301    `byte_size_attribute' function below.)  It is also used when calculating the
15500 	 floating-point constant.  A CONST_DOUBLE is used whenever the
15619    or functions which aren't otherwise used (and therefore may not be
15825      could be used by debuggers for stack backtraces. Separately, note that
16357    location list.  This is used for DW_AT_frame_base when we targeting
16926      when location description was not used by the caller code instead.  */
17100    given decl.  This used to be a vendor extension until after DWARF 4
17181      from the DECL_NAME name used in the source file.  */
17261   tree used = walk_tree_without_duplicates (&type, uses_local_type_r, NULL);
17262   return used;
17417 	better way to signal the Fortran main program, we used this for
17485    from the DECL_NAME name used in the source file.  */
17975 /* Generate a special type of DIE used as a stand-in for a trailing ellipsis
18078 	  /* Ignore the nameless fields that are used to skip bits but handle
18882      and any blocks used for the base and member initializers of a C++
20355       /* This code is used for C++ pointer-to-data-member types.
21013 	 used to generate a special (abbreviated) DW_TAG_structure_type,
21071       /* Ignore the nameless fields that are used to skip bits but handle C++
21371 	 block-local extern declarations (whether used or not) because that
22127      the debugger has used the second (possibly duplicate) line number
22505       /* If such an entry has been used before, just emit
22650   /* If any DW_MACRO_GNU_transparent_include were used, on those
23032 /* Given DIE that we're marking as used, find any other dies
23033    it references as attributes and mark them as used.  */
23077 /* Mark DIE as being used.  If DOKIDS is true, then walk down
23087       /* We haven't done this node yet.  Mark it as used.  */
23094       /* We also have to mark its parents as used.
23185       /* Finding used static member functions inside of classes
23253 	/* Avoid unnecessarily putting strings that are used less than
23325   /* Mark types that are used in global variables.  */
23328   /* Set the mark on nodes that are actually used.  */
23438    referenced from typed stack ops and count how often they are used.  */
25012      used by the debug_info section are marked as 'used'.  */