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Andrew Burgess baf8791efb gdb/python: Reuse gdb.RegisterGroup objects where possible
Only create one gdb.RegisterGroup Python object for each of GDB's
reggroup objects.

I could have added a field into the reggroup object to hold the Python
object pointer for each reggroup, however, as reggroups are never
deleted within GDB, and are global (not per-architecture) a simpler
solution seemed to be just to hold a single global map from reggroup
pointer to a Python object representing the reggroup.  Then we can
reuse the objects out of this map.

After this commit it is possible for a user to tell that two
gdb.RegisterGroup objects are now identical when previously they were
unique, however, as both these objects are read-only I don't think
this should be a problem.

There should be no other user visible changes after this commit.

gdb/ChangeLog:

	* python/py-registers.c : Add 'unordered_map' include.
	(gdbpy_new_reggroup): Renamed to...
	(gdbpy_get_reggroup): ...this.  Update to only create register
	group descriptors when needed.
	(gdbpy_reggroup_iter_next): Update.

gdb/testsuite/ChangeLog:

	* gdb.python/py-arch-reg-groups.exp: Additional tests.
2020-07-21 21:57:08 +01:00
bfd Automatic date update in version.in 2020-07-21 00:00:06 +00:00
binutils Updated Swedish translation for the binutils sub-directory 2020-07-21 11:22:36 +01:00
config Add markers for binutils 2.35 branch 2020-07-04 10:16:22 +01:00
contrib contrib: Update dg-extract-results.* from gcc 2020-05-15 11:41:22 +01:00
cpu Add markers for binutils 2.35 branch 2020-07-04 10:16:22 +01:00
elfcpp Add markers for binutils 2.35 branch 2020-07-04 10:16:22 +01:00
etc
gas Revert "x86: Don't display eiz with no scale" 2020-07-21 14:20:11 +02:00
gdb gdb/python: Reuse gdb.RegisterGroup objects where possible 2020-07-21 21:57:08 +01:00
gdbserver gdb, gdbserver: make stopped_pids global variables static 2020-07-21 16:49:36 -04:00
gdbsupport gdb/riscv: delete target descriptions when gdb exits 2020-07-17 21:15:32 +01:00
gnulib gdb: update gnulib import 2020-02-22 20:37:18 -05:00
gold gold: Update x32 test 2020-07-19 07:30:42 -07:00
gprof Update Turkish translation in the gprof sub-directory 2020-07-09 14:25:11 +01:00
include x86: Support GNU_PROPERTY_X86_FEATURE_2_TMM 2020-07-11 04:04:20 -07:00
intl Regen with blessed automake-1.15.1 2020-02-20 13:02:24 +10:30
ld Fix problem running a few PowerPC linker tests when the .data section is retained. 2020-07-20 14:57:38 +01:00
libctf Add markers for binutils 2.35 branch 2020-07-04 10:16:22 +01:00
libdecnumber
libiberty Sync config, include and libiberty with GCC 2020-06-24 16:52:48 -07:00
opcodes Revert "x86: Don't display eiz with no scale" 2020-07-21 14:20:11 +02:00
readline Update readline/README to mention patchlevel 2020-06-30 15:17:07 -06:00
sim sim/igen: Fix linker error with -fno-common 2020-07-03 21:03:47 +02:00
texinfo
zlib Merge changes from GCC for the config/ directory 2020-02-19 17:51:24 +00:00
.cvsignore
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ChangeLog Add markers for binutils 2.35 branch 2020-07-04 10:16:22 +01:00
compile
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config.guess Update top level config files with copies from the official repository. 2020-01-18 13:43:19 +00:00
config.rpath
config.sub Update top level config files with copies from the official repository. 2020-01-18 13:43:19 +00:00
configure Since the pdp11-aout target does not support gdb, gdbserver or gprof these should be excluded in configure. 2020-04-21 10:27:50 +01:00
configure.ac Since the pdp11-aout target does not support gdb, gdbserver or gprof these should be excluded in configure. 2020-04-21 10:27:50 +01:00
COPYING
COPYING3
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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 Move gdbserver to top level 2020-02-07 08:42:25 -07:00
Makefile.def Change gdbserver to use existing gdbsupport 2020-03-12 13:32:16 -06:00
Makefile.in Change gdbserver to use existing gdbsupport 2020-03-12 13:32:16 -06:00
Makefile.tpl
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README
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src-release.sh Move gdbserver to top level 2020-02-07 08:42:25 -07:00
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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.