Go to file
Tom Tromey 34643a32c6 move minimal symbols to per-bfd
Now that minimal symbols are independent of the program space, we can
move them to the per-BFD object.  This lets us save memory in the
multi-inferior case; and, once the symbol readers are updated, time.

The other prerequisite for this move is that all the objects referred
to by the minimal symbols have a lifetime at least as long as the
per-BFD object.  I think this is satisfied partially by this patch
(moving the copied names there) and partially by earlier patches
moving the demangled name hash.

This patch contains a bit of logic to avoid creating new minimal
symbols if they have already been read for a given BFD.  This allows
us to avoid trying to update all the symbol readers for this
condition.  At first glance this may seem like a hack, but some symbol
readers mix psym and minsym reading, and would require logic just like
this regardless -- and it is simpler and less error-prone to just do
the work in a central spot.

2014-02-26  Tom Tromey  <tromey@redhat.com>

	* minsyms.c (lookup_minimal_symbol, iterate_over_minimal_symbols)
	(lookup_minimal_symbol_text, lookup_minimal_symbol_by_pc_name)
	(lookup_minimal_symbol_solib_trampoline)
	(lookup_minimal_symbol_by_pc_section_1)
	(lookup_minimal_symbol_and_objfile): Update.
	(prim_record_minimal_symbol_full): Use the per-BFD obstack.
	Don't allocate a minimal symbol if minsyms have already been read.
	(build_minimal_symbol_hash_tables): Update.
	(install_minimal_symbols): Do nothing if minsyms already read.
	Use the per-BFD obstack.
	(terminate_minimal_symbol_table): Use the per-BFD obstack.
	* objfiles.c (allocate_objfile): Call
	terminate_minimal_symbol_table later.
	(have_minimal_symbols): Update.
	* objfiles.h (struct objfile_per_bfd_storage) <msymbols,
	minimal_symbol_count, msymbol_hash, msymbol_demangled_hash>:
	Move from struct objfile.
	<minsyms_read>: New field.
	(struct objfile) <msymbols, minimal_symbol_count,
	msymbol_hash, msymbol_demangled_hash>: Move.
	(ALL_OBJFILE_MSYMBOLS): Update.
	* symfile.c (read_symbols): Set minsyms_read.
	(reread_symbols): Update.
	* symmisc.c (dump_objfile, dump_msymbols): Update.
2014-02-26 12:11:17 -07:00
bfd daily update 2014-02-26 09:30:38 +10:30
binutils
config strip off +x bits on non-executable/script files 2013-12-07 02:03:03 -05:00
cpu
elfcpp
etc
gas Add support for CPUID PREFETCHWT1 2014-02-21 08:04:00 -08:00
gdb move minimal symbols to per-bfd 2014-02-26 12:11:17 -07:00
gold
gprof
include
intl
ld Resolve PR ld/16569 by emitting (and comparing) unmangled names, unless 2014-02-26 12:05:02 +00:00
libdecnumber
libiberty
opcodes Remove bogus vcvtps2ph variant. 2014-02-25 08:52:02 -08:00
readline * readline.c (bind_arrow_keys_internal): 2013-09-24 14:49:48 +00:00
sim
texinfo
.cvsignore
.gitignore
ChangeLog
compile
config-ml.in
config.guess
config.rpath
config.sub
configure
configure.ac
COPYING
COPYING3
COPYING3.LIB
COPYING.LIB
COPYING.LIBGLOSS
COPYING.NEWLIB
depcomp
djunpack.bat
install-sh
libtool.m4
lt~obsolete.m4
ltgcc.m4
ltmain.sh
ltoptions.m4
ltsugar.m4
ltversion.m4
MAINTAINERS
Makefile.def
Makefile.in
Makefile.tpl
makefile.vms
missing
mkdep
mkinstalldirs
move-if-change
README
README-maintainer-mode
setup.com
src-release
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.