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Tom Tromey bf6d8a91ea use language of the main symbol
With "dwz -m", "main" appears in both the PU and the importing CU when
running anon-struct.exp.  However, the PU does not have a file name.
So, find_main_filename returns the empty string, making
deduce_language_from_filename return language_unknown.

This patch fixes this problem by changing gdb to use the ordinary
symbol-lookup functions to find "main"'s symbol.  Then, it examines the
symbol's language.

I think this is cleaner than the current approach.  For one thing it
avoids trying to guess the language based on the source file name,
instead deferring to the presumably more reliable debuginfo.

Another possible fix would have been to change how the file name is
found via the "qf" methods.  However, I think the approach given is
preferable for the reason outlined above.

This required a minor test suite change, as now a symtab is expanded
during the search for "main".

Built and regtested (both ways) on x86-64 Fedora 18.

	* symfile.c (set_initial_language): Look up "main" symbol
	and use its language.
	* symtab.c (find_main_filename): Remove.
	* symtab.h (find_main_filename): Remove.

	* gdb.base/maint.exp: Allow zero symtabs to be expanded.
2013-08-07 20:03:52 +00:00
bfd daily update 2013-08-07 00:00:04 +00:00
binutils Add Intel AVX-512 support 2013-07-26 17:20:25 +00:00
config 2013-04-30 Jan-Benedict Glaw <jbglaw@lug-owl.de> 2013-04-30 12:40:42 +00:00
cpu PR binutils/15241 2013-03-08 17:25:12 +00:00
elfcpp elfcpp/ 2013-03-01 22:45:56 +00:00
etc
gas opcodes/ 2013-08-06 19:27:07 +00:00
gdb use language of the main symbol 2013-08-07 20:03:52 +00:00
gold gold/ 2013-08-07 17:11:24 +00:00
gprof bfd/ 2013-08-05 21:58:23 +00:00
include merge from gcc 2013-08-07 15:04:28 +00:00
intl
ld PR ld/15787 2013-07-31 16:26:02 +00:00
libdecnumber merge from gcc 2013-07-09 16:04:44 +00:00
libiberty merge from gcc 2013-07-22 18:03:12 +00:00
opcodes opcodes/ 2013-08-06 19:27:07 +00:00
readline readline/ 2013-05-22 09:51:49 +00:00
sim move version.in from gdb/common back to gdb 2013-06-28 18:59:51 +00:00
texinfo
.cvsignore
.gitignore Sync the root .gitignore file with GCC's. 2013-01-11 15:17:35 +00:00
ChangeLog Remove: 2013-08-05 16:05:32 +00:00
compile
config-ml.in
config.guess * config.guess: Update from config repo. 2013-04-29 15:13:53 +00:00
config.rpath
config.sub * config.guess: Update from config repo. 2013-04-29 15:13:53 +00:00
configure Remove: 2013-08-05 16:05:32 +00:00
configure.ac Remove: 2013-08-05 16:05:32 +00:00
COPYING
COPYING.LIB
COPYING.LIBGLOSS 2013-01-07 Jeff Johnston <jjohnstn@redhat.com> 2013-01-07 21:39:26 +00:00
COPYING.NEWLIB 2013-05-06 Sandra Loosemore <sandra@codesourcery.com> 2013-05-06 18:31:56 +00:00
COPYING3
COPYING3.LIB
depcomp
djunpack.bat
install-sh
libtool.m4 PR target/38607 2012-09-14 23:55:22 +00:00
ltgcc.m4
ltmain.sh
ltoptions.m4
ltsugar.m4
ltversion.m4
lt~obsolete.m4
MAINTAINERS MAINTAINERS: clarify policy with config/ (and other top level files) 2012-05-12 03:10:17 +00:00
Makefile.def 2013-04-22 Jan-Benedict Glaw <jbglaw@lug-owl.de> 2013-04-22 17:11:22 +00:00
Makefile.in 2013-04-22 Jan-Benedict Glaw <jbglaw@lug-owl.de> 2013-04-22 17:11:22 +00:00
Makefile.tpl * Makefile.tpl (BOOT_ADAFLAGS): Remove -gnata. 2013-01-11 11:48:54 +00:00
makefile.vms
missing
mkdep
mkinstalldirs
move-if-change
README
README-maintainer-mode
setup.com
src-release src-release: Fix VER computation for TOOL=gdb 2013-07-22 15:17:20 +00:00
symlink-tree
ylwrap

		   README for GNU development tools

This directory contains various GNU compilers, assemblers, linkers, 
debuggers, etc., plus their support routines, definitions, and documentation.

If you are receiving this as part of a GDB release, see the file gdb/README.
If with a binutils release, see binutils/README;  if with a libg++ release,
see libg++/README, etc.  That'll give you info about this
package -- supported targets, how to use it, how to report bugs, etc.

It is now possible to automatically configure and build a variety of
tools with one command.  To build all of the tools contained herein,
run the ``configure'' script here, e.g.:

	./configure 
	make

To install them (by default in /usr/local/bin, /usr/local/lib, etc),
then do:
	make install

(If the configure script can't determine your type of computer, give it
the name as an argument, for instance ``./configure sun4''.  You can
use the script ``config.sub'' to test whether a name is recognized; if
it is, config.sub translates it to a triplet specifying CPU, vendor,
and OS.)

If you have more than one compiler on your system, it is often best to
explicitly set CC in the environment before running configure, and to
also set CC when running make.  For example (assuming sh/bash/ksh):

	CC=gcc ./configure
	make

A similar example using csh:

	setenv CC gcc
	./configure
	make

Much of the code and documentation enclosed is copyright by
the Free Software Foundation, Inc.  See the file COPYING or
COPYING.LIB in the various directories, for a description of the
GNU General Public License terms under which you can copy the files.

REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info
on where and how to report problems.