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Now that all (other than ppc) build in the top-level, this logic is
unused, so punt it all.
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Now that all ports have moved to creating libsim.a in the top-level,
drop all the support code to create it in a subdir.
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Nothing uses this hook anymore, so punt it. It was largely used to
track generated files (which we do in the top-level now) and extra
header files (which we use automake depgen for now).
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Now that all run binaries are linked in the topdir, this subdir libs
variable isn't used anywhere, so punt it.
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Now that no ports use these common configure APIs, delete the logic
and remove it from the documentation.
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We still have to maintain custom install rules due to how we rename
arch-specific files with an arch prefix in their name, but we can at
least unify the logic in the common dir.
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Like we just did for pulling out the errno map, pull out the syscall
maps into a dedicated common file. Most newlib ports are using the
same syscall map, but not all, which means we have to do a bit more
work to migrate.
This commit adds the maps and switches the ports using the common
default syscall table over to it. Ports using unique syscall tables
are still using the old targ-map.c logic.
Switching common ports over is easy by checking NL_TARGET, but the
ppc code needs a bit more cleanup here hence its larger diff.
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The sim-hardware configure option allows builders to select a set of
device models to enable. But this seems like unnecessary overkill:
the existence of individual device models doesn't affect performance
at all as they are only enabled at runtime if the config uses them,
and individually these are all <5KB a piece. Stripping off a total
of ~50KB from a ~1MB binary doesn't seem useful, and it's extremely
unlikely anyone will ever bother.
So let's simplify the configure/make logic by turning sim-hardware
into a boolean option like many of the other sim options. Any ports
that have unique device models will declare them in their Makefile
instead of at configure time. This will allow us to (eventually)
unify the setting into the common dir.
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Now that we've moved all content out to the common file, this is
empty and can be deleted it entirely.
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The gdb/callback.h & gdb/remote-sim.h headers have nothing to do with
gdb and are really definitions for the libsim API under the sim/ tree.
While gdb uses those headers as a client, it's not specific to it. So
create a new sim/ namespace and move the headers there.
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This was enabled by default for all targets, but a few ports still
include an explicit call. Clean that up, and update the docs.
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Since libgloss provides a default syscall table for arches, use that
to provide the default syscall table for ports. Only the exceptions
need to be enumerated now with the common logic as the default.
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Every port using this sets the 1st arg to yes and the 2nd arg to "".
These are the defaults we probably want anyways in order to unify the
codebase, so move them to the macro and only allow ports to declare
extra hardware models.
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This was last used 15 years ago, so clearly not important enough to
keep around. Punt it.
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We don't need a variable to add a dependency to the "all" target, and
having one doesn't really add value. Switch to the target directly for
the few ports that actually use this.
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Rather than hand maintain m4 includes in various autotool files,
use AC_CONFIG_MACRO_DIRS to declare the relevant search paths.
This simplifies the code, makes it more robust, and cleans out
unused logic from configure.
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Few arches implement STATE_WATCHPOINTS()->pc while all of them implement
sim_pc_get. Lets switch the sim-watch core for monitoring pc events to
the sim_pc_get API so this module works for all ports, and then we can
delete this old back channel of snooping in the port's cpu state -- the
code needs the pointer to the pc storage so that it can read out bytes
and compare them to the watchrange.
This also fixes the logic on multi-cpu sims by removing the limitation
of only being able to watch CPU0's state.
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Existing ports already have sizeof_pc set to the same size as sim_cia,
so simply make that part of the core code. We already assume this in
places by way of sim_pc_{get,set}, and this is how it's documented in
the sim-base.h API.
There is code to allow sims to pick different register word sizes from
address sizes, but most ports use the defaults for both (32-bits), and
the few that support multiple register sizes never change the address
size (so address defaults to register). I can't think of any machine
where the register hardware size would be larger than the address word
size either. We have ABIs that behave that way (e.g. x32), but the
hardware is still equivalent register sized.
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This was mostly orphaned a while back, but left behind so people could
still run `make headers`. Merge that one target to the top sim dir and
delete all the build logic. This should avoid confusing people further.
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The run.c interface was deleted long ago and everyone moved to nrun.c
(which is also the default), so no one needs to declare this anymore.
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This was purged from the tree when we upgraded to autoconf-2.69,
but a few references in the sim tree were missed.
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With GDB requiring a C++11 compiler now, this hopefully shouldn't
be a big deal. It's been 10 years since C11 came out, so should
be plenty of time to upgrade.
This will allow us to start cleaning up random header logic and
many of our non-standard custom types.
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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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A few places still refer to the configure.in file; update them.
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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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This removes the last uses of PARAMS from sim.
2014-01-06 Tom Tromey <tromey@redhat.com>
* README-HACKING: Don't use PARAMS.
* arm/wrapper.c: Don't use PARAMS.
* bfin/sim-main.h: Don't use PARAMS.
* common/callback.c: Don't use PARAMS.
* common/cgen-trace.c: Don't use PARAMS.
* common/run-sim.h: Don't use PARAMS.
* common/run.c: Don't use PARAMS.
* common/sim-base.h: Don't use PARAMS.
* common/sim-load.c: Don't use PARAMS.
* common/sim-options.h: Don't use PARAMS.
* common/sim-trace.c: Don't use PARAMS.
* common/sim-trace.h: Don't use PARAMS.
* common/sim-utils.h: Don't use PARAMS.
* cr16/cr16_sim.h: Don't use PARAMS.
* cr16/gencode.c: Don't use PARAMS.
* cr16/interp.c: Don't use PARAMS.
* cr16/simops.c: Don't use PARAMS.
* d10v/d10v_sim.h: Don't use PARAMS.
* d10v/gencode.c: Don't use PARAMS.
* d10v/interp.c: Don't use PARAMS.
* d10v/simops.c: Don't use PARAMS.
* erc32/erc32.c: Don't use PARAMS.
* erc32/exec.c: Don't use PARAMS.
* erc32/float.c: Don't use PARAMS.
* erc32/func.c: Don't use PARAMS.
* erc32/sis.c: Don't use PARAMS.
* erc32/sis.h: Don't use PARAMS.
* mips/interp.c: Don't use PARAMS.
* mips/sim-main.h: Don't use PARAMS.
* sh/interp.c: Don't use PARAMS.
* v850/sim-main.h: Don't use PARAMS.
* v850/v850_sim.h: Don't use PARAMS.
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I found the documentation lacking in many places, so I tried filling in a
lot of holes that I personally fell into.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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* README-HACKING: Mention the ChangeLog makefile variable.
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Add a howto.
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to autoconf and autoheader.
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../common' to autoconf and autoheader. Unconditionally run
autoconf in every subdir.
(autoconf-changelog autoheader-changelog): Unconditionally run
commands in every subdir.
(autoconf-install autoheader-install): Likewise.
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