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Rather than re-invent endian defines, as well as maintain our own list
of OS & arch-specific includes, punt all that logic in favor of the bfd
ones already set up and maintained elsewhere. We already rely on the
bfd library, so leveraging the endian aspect should be fine.
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to common sim_{fetch,store}_register
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Pretty much all targets are using this module already, so add it to the
common list of objects. The only oddball out here is cris and that's
because it supports loading via an offset for all the phdrs. We drop
support for that.
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No arch is using this anymore, and we want all new ports using the
hardware framework instead. Punt WITH_DEVICES and the two callbacks
device_io_{read,write}_buffer.
We can also punt the tconfig.h file as no port is using it anymore.
This fixes in-tree builds that get confused by picking up the wrong
one (common/ vs <port>/) caused by commit ae7d0cac8ce971f7108d270c.
Any port that needs to set up a global define can use their own
sim-main.h file that they must provide regardless.
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Now that all arches (for the most part) have moved over, move sim-stop.o,
sim-reason.o, and sim-reg.o to the common object list and out of all the
arch ports.
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Other than the nice advantage of all sims having to declare one fewer
common function, this also fixes leakage in pretty much every sim.
Many were not freeing any resources, and a few were inconsistent as
to the ones they did. Now we have a single module that takes care of
all the logic for us.
Most of the non-cgen based ones could be deleted outright. The cgen
ones required adding a callback to the arch-specific cleanup func.
The few that still have close callbacks are to manage their internal
state.
We do not convert erc32, m32c, ppc, rl78, or rx as they do not use
the common sim core.
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This helps standardize the configure --help output.
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A few places still refer to the configure.in file; update them.
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No code uses this anymore and the symbol conflicts with the new TRACE
helper. Punt it from configure.
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This allows us to use the common code for all exception handling.
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Since every target typedefs this the same way, move it to the common code.
We have to leave Blackfin behind here for now because of inter-dependencies
on types and headers: sim-base.h includes sim-model.h which needs types in
machs.h which needs types in bfim-sim.h which needs SIM_CPU.
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Almost every target defines sim_cia the same way -- either using the
address_word type directly, or a type of equivalent size. The only
odd one out is sh64 (who has 32bit address_word and 64bit cia), and
even that case doesn't seem to make sense. We'll put off clean up
though of sh64 and at least set up a sensible default for everyone.
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Re-use the existing memory core that handles reads/writes.
This drops support for the dumpmem command, but gdb itself has
support for dumping memory regions.
The verbose command is converted to the common --verbose flag
since only two call sites use it now.
Support for the clearstats command is dropped entirely, but no
other sim really does this, and the same thing can be done by
reloading. If it's important (clearing cycle stats) to someone,
we can add a common function for it.
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The CIA_{GET,SET} macros serve the same function as CPU_PC_{GET,SET}
except the latter adds a layer of indirection via the sim state. This
lets models set up different functions at runtime and doesn't reach so
directly into the arch-specific cpu state.
It also doesn't make sense to have two sets of macros that do exactly
the same thing, so lets standardize on the one that gets us more.
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This makes the common sim-cpu logic work.
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Now that all the targets are utilizing CPU_PC_{FETCH,STORE}, and the
cpu state is multicore, and the STATE_CPU defines match, we can move
it all to the common code.
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This should be SIM, not GDB.
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This makes these two objects available to all sims by default.
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With zlib being mandatory, and the updated m4 configs, we need to regen
and use the new settings w/bfd to avoid linkage errors.
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This port already was storing its cpu state in the sim_cpu structure, so
converting it over was pretty easy. It is allocating memory itself still,
but we'll fix that up in the future at some point.
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The mcore port had a few structs/defines that were never used.
Similarly, the microblaze port, because it was copied from mcore, has
that same dead code, and more. The watchpoint logic was never actually
used. Punt it all.
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Since the sim doesn't have any debug support in it, we can only exit
cleanly. But this is still better than nothing.
Change the default microblaze sim to not dump the debug load output
when running. No other does this, and it breaks the testsuite.
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In preparation for converting to nrun, call the common functions that
are needed. This doesn't produce any new warnings, and the generated
code should be the same.
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No functional changes here.
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Fix some various warnings and enable the extra warnings options.
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Rather than manually include tconfig.h when we think we'll need it (which
is error prone as it can define symbols we expect from config.h), have it
be included directly by config.h. Since we know we have to include that
header everywhere already, this will make sure tconfig.h isn't missed.
It should also be fine as tconfig.h is supposed to be simple and only set
up a few core defines for the target.
This allows us to stop symlinking it in place all the time and just use
it straight out of the respective source directory.
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We want people to stop using the run.c frontend, but it's hard to notice
when it's still set as the default. Lets flip things so nrun.c is the
default, and users of run.c will get an error by default. We turn that
error into a warning for existing sims so we don't break them -- this is
mostly meant for people starting new ports.
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The SIM_AC_COMMON macro already checks for a bunch of headers, so specific
sim ports need not do it themselves.
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Since sizeof returns a size_t, use %zu to display it.
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These look like left over hacks from the days where we had to protect
ourselves from the compiler and C library. None of these checks are
relevant, and we have common configure logic to do header tests. Punt
them all now.
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This has been deprecated for a long time and no one calls it.
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Move several items from sim/ChangeLog to sim/*/ChangeLog. Also remove
the incorrect white space in sim/common/ChangeLog.
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Commit 07774fccc3280323f43db9ed204f628503b34663 update the microblaze
opcodes table to avoid C++ collisions, but missed updating the sim.
That caused it to fail to build due to missing keywords.
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Directories that don't use libtool need to add -ldl (on most *nix
hosts) to provide dlopen for libbfd.
config/
* plugins.m4 (AC_PLUGINS): If plugins are enabled, add -ldl to
LIBS via AC_SEARCH_LIBS.
gdb/
* acinclude.m4 (GDB_AC_CHECK_BFD): Don't add -ldl.
* config.in: Regenerate.
sim/ppc/
* configure.ac: Invoke AC_PLUGINS.
* config.in: Regenerate.
and regen lots of configure files.
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It is rare for people to want to modify the cmd arg. In general, they
really shouldn't be, but a few still do. For those who misbehave, dupe
the string locally so they can bang on it.
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There's no need for the prog_name handed down to the core to be mutable,
so add const markings to it and all the related funcs.
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Many of the simulators change the SIGINT handler.
E.g., moxie/interp.c:
sigsave = signal (SIGINT, interrupt);
However, this is unnecessary.
remote-sim.h already provides an API for asynchronously stopping
a sim; and both gdb and the drivers (run.c and nrun.c at least,
I didn't check the others) install a SIGINT handler which
calls this method.
URL: https://sourceware.org/bugzilla/show_bug.cgi?id=16450
Reported-by: Tom Tromey <tromey@redhat.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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libtool.m4.
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I noticed the sim code is using an old implementation of the maintainer logic.
I cut it over to the new macro (like gdb has been doing). In practice, it
makes no difference currently as nothing in the sim tree uses it, but I have a
follow up commit for the Blackfin tree that needs it.
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Some of the common includes in include/gdb such as callback.h
include bfd.h. But there was a recent change in bfd-in.h to
require that config.h be included before bfd.h can be included:
/* PR 14072: Ensure that config.h is included first. */
#if !defined PACKAGE && !defined PACKAGE_VERSION
#error config.h must be included before this header
#endif
PACKAGE_VERSION is always defined by default by the AC_INIT autoconf
macro, but PACKAGE isn't. This patch updates the SIM_AC_COMMON macro
to define it, and then regenerates all configure scripts and config.in
files.
sim/common/changeLog:
* acinclude.m4 (SIM_AC_COMMON): Define PACKAGE.
* config.in, configure: Regenerate.
sim/ChangeLog:
* configure: Regenerate.
sim/arm/ChangeLog:
* config.in, configure: Regenerate.
sim/avr/ChangeLog:
* config.in, configure: Regenerate.
sim/bfin/ChangeLog:
* config.in, configure: Regenerate.
sim/cr16/ChangeLog:
* config.in, configure: Regenerate.
sim/cris/ChangeLog:
* config.in, configure: Regenerate.
sim/d10v/ChangeLog:
* config.in, configure: Regenerate.
sim/erc32/ChangeLog:
* config.in, configure: Regenerate.
sim/frv/ChangeLog:
* config.in, configure: Regenerate.
sim/h8300/ChangeLog:
* config.in, configure: Regenerate.
sim/iq2000/ChangeLog:
* config.in, configure: Regenerate.
sim/lm32/ChangeLog:
* config.in, configure: Regenerate.
sim/m32c/ChangeLog:
* config.in, configure: Regenerate.
sim/m32r/ChangeLog:
* config.in, configure: Regenerate.
sim/m68hc11/ChangeLog:
* config.in, configure: Regenerate.
sim/mcore/ChangeLog:
* config.in, configure: Regenerate.
sim/microblaze/ChangeLog:
* config.in, configure: Regenerate.
sim/mips/ChangeLog:
* config.in, configure: Regenerate.
sim/mn10300/ChangeLog:
* config.in, configure: Regenerate.
sim/moxie/ChangeLog:
* config.in, configure: Regenerate.
sim/ppc/ChangeLog:
* configure: Regenerate.
sim/rl78/ChangeLog:
* config.in, configure: Regenerate.
sim/rx/ChangeLog:
* config.in, configure: Regenerate.
sim/sh/ChangeLog:
* config.in, configure: Regenerate.
sim/sh64/ChangeLog:
* config.in, configure: Regenerate.
sim/v850/ChangeLog:
* config.in, configure: Regenerate.
sim/testsuite/ChangeLog:
* configure: Regenerate.
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Before POSIX standardized strsignal(), old systems would hide the
prototype unless the normal extension defines were enabled. So use
the AC_USE_SYSTEM_EXTENSIONS helper for that.
Then make sure we include string.h ourselves in nrun.c rather than
relying on implicit includes via other sim headers.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Lift the code that GDB is using to generate dependencies on the fly and
port it over to the sim. Now people shouldn't have to manually maintain
these in their Makefile's.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Automake likes to dump macros automatically used into the aclocal.m4
file, but the common/aclocal.m4 naming prevents that. So rename it
to the more normal "acinclude.m4" so the aclocal tool can work.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Now that the sourceware tree generally requires autoconf-2.64, update
the sim tree to require that too.
This allows us to drop the long standing SIM_AC_COMMON/common.m4
workaround as autoconf 2.64+ seems to work for me.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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For the ports that don't use the common/ subdir, we need to add stub funcs
to them to avoid build failures with gdb and command completion. These do
not implement the actual completion functionality ... any port that wants
that can either convert to the common/ subdir, or fill out the function on
their own time.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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As pointed out by Sandra Loosemore, a bunch of targets define sim_write
themselves instead of using the common/ code. So constify them too.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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