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Yao Qi 6dbb67982c Test on solib load and unload
This patch is to add a test case to on the performance of GDB handling
load and unload of shared library.

In V4:

 - Handle malloc and dlopen failure,
 - Document test parameters.

In V3, there are some changes,

 - Adapt to perf test framework changes.
 - Measure load and unload separately.

In V2, there are some changes,

 - A new proc gdb_produce_source to produce source files.  I tried to
   move all source file generation code out of solib.exp, but
   compilation step still needs to know the generated file names.  I
   have to hard-code the file names in compilation step, which is not
   good to me, so I give up on this moving.
 - SOLIB_NUMBER -> SOLIB_COUNT
 - New variable SOLIB_DLCLOSE_REVERSED_ORDER to control the order of
   iterating a list of shared libs to dlclose them.
 - New variable GDB_PERFORMANCE to enable these perf test cases.
 - Remove dlsym call in solib.c.
 - Update solib.py for the updated framework.

gdb/testsuite/

	* lib/gdb.exp (gdb_produce_source): New procedure.
	* gdb.perf/solib.c: New.
	* gdb.perf/solib.exp: New.
	* gdb.perf/solib.py: New.
2013-11-06 13:17:36 +08:00
bfd * elf32-rl78.c (elf32_rl78_relax_delete_bytes): Make sure relocs 2013-11-05 22:13:04 -05:00
binutils
config
cpu
elfcpp
etc
gas gas/ 2013-11-05 20:54:22 +00:00
gdb Test on solib load and unload 2013-11-06 13:17:36 +08:00
gold
gprof
include gas/ 2013-11-05 20:54:22 +00:00
intl
ld Pass ignored unresolved relocations to ld backend 2013-11-05 10:29:44 -08:00
libdecnumber
libiberty
opcodes gas/ 2013-11-05 20:54:22 +00:00
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		   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.