Formerly tm.texi.~236~

From-SVN: r13159

gcc/tm.texi

@@ -5948,11 +5948,12 @@ A C expression that returns the type of debugging output GNU CC produces
 when the user specifies @samp{-g} or @samp{-ggdb}.  Define this if you
 have arranged for GNU CC to support more than one format of debugging
 output.  Currently, the allowable values are @code{DBX_DEBUG},
-@code{SDB_DEBUG}, @code{DWARF_DEBUG}, and @code{XCOFF_DEBUG}.
+@code{SDB_DEBUG}, @code{DWARF_DEBUG}, @code{DWARF2_DEBUG}, and
+@code{XCOFF_DEBUG}.
 
 The value of this macro only affects the default debugging output; the
 user can always get a specific type of output by using @samp{-gstabs},
-@samp{-gcoff}, @samp{-gdwarf}, or @samp{-gxcoff}.
+@samp{-gcoff}, @samp{-gdwarf-1}, @samp{-gdwarf-2}, or @samp{-gxcoff}.
 @end table
 
 @node DBX Options
@@ -6268,6 +6269,11 @@ for SDB in response to the @samp{-g} option.
 Define this macro if GNU CC should produce dwarf format debugging output
 in response to the @samp{-g} option.
 
+@findex DWARF2_DEBUGGING_INFO
+@item DWARF2_DEBUGGING_INFO
+Define this macro if GNU CC should produce dwarf version 2 format
+debugging output in response to the @samp{-g} option.
+
 @findex PUT_SDB_@dots{}
 @item PUT_SDB_@dots{}
 Define these macros to override the assembler syntax for the special