gcc/gcc ChangeLog configure configure.in dwarf ...

[rth@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-3_0-branch
Changes by:	rth@gcc.gnu.org	2001-03-17 10:43:31

Modified files:
	gcc            : ChangeLog configure configure.in dwarf2out.c 

Log message:
	* dwarf2out.c (lookup_filename): Emit .file if the assembler
	is generating .debug_line.
	(dwarf2out_init): Add main_input_filename to the file table first.
	* configure.in (as_dwarf2_debug_line): Test with file number 1
	instead of file number 0.
	
	* dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
	(LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
	(size_of_line_prolog): Remove.
	(output_line_info): Compute prologue size via label difference.
	(lookup_filename): Return "unspecified" for <internal> and <built-in>.
	* configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
	assembler error when redefining file numbers.
	* config.in, configure: Rebuild.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_0-branch&r1=1.9240.2.156&r2=1.9240.2.157
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/configure.diff?cvsroot=gcc&only_with_tag=gcc-3_0-branch&r1=1.488.2.9&r2=1.488.2.10
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/configure.in.diff?cvsroot=gcc&only_with_tag=gcc-3_0-branch&r1=1.483.2.7&r2=1.483.2.8
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/dwarf2out.c.diff?cvsroot=gcc&only_with_tag=gcc-3_0-branch&r1=1.242.2.3&r2=1.242.2.4