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This doesn't fix all the problems, but grabs a bunch of the more
obvious ones.
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The regex it uses does not like so many leading spaces which causes
it to think the files lack copyright. Trim them down so the script
can find & update them accordingly.
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This commit brings all the changes made by running gdb/copyright.py
as per GDB's Start of New Year Procedure.
For the avoidance of doubt, all changes in this commits were
performed by the script.
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These are just using the default behavior for the 3rd arg, so drop
it to make it more clear. This also makes them match all other
ports that only use the first 2 arguments.
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The header shuffling in here broke the workaround for gnulib defining
"open". Move it back before the sim-specific includes to fix. This
is because the callback struct in the headers has an "open" member and
this file tries to call that.
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The ## marker tells automake to not include the comment in its
generated output, so use that in most places where the comment
only makes sense in the inputs.
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Avoid implicit include deps with this to help untangle sim headers
so we can get rid of arch-specific sim-main.h.
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Avoid implicit include deps with this to help untangle sim headers
so we can get rid of arch-specific sim-main.h.
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Avoid implicit include deps with this to help untangle sim headers
so we can get rid of arch-specific sim-main.h.
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We're including system headers after local headers in a bunch of
places, but this leads to conflicts when our local headers happen
to define symbols that show up in the system headers.
Use the more standard order of:
* config.h (via defs.h)
* system headers
* local library headers (e.g. bfd & libiberty)
* sim specific headers
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These rules don't depend on the target compiler settings, so hoist
the build logic up to the common builds for better parallelization.
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These were moved to the common configure script a while ago and have
the same default as these, so just delete it.
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These were copied from the example docs, so aren't adding any value.
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There is no configure script in here anymore to regenerate.
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We already turn these on in the configure script.
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Running frv's allinsn in serial is quite slow due to the sheer number
of tests it contains. By splitting it up and running in parallel, the
execution time on my system goes from ~100sec to ~60sec.
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We'll rely on the toolchain probing to determine whether each arch's
tests can be run rather the current configure target. This allows
testing all of the ports in a multitarget configuration.
For now, we don't reformat the files entirely to make it easier to
review, and in case we need to make adjustments. Once this feels
like it's stable, we can flatten the code a bit by removing the if
statement entirely.
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Break up the dejagnu logic so that we can parallelize the testsuite.
This takes a page from gcc & gdb where each .exp is run in isolation
instead of in serial.
For most targets, this doesn't make much of a difference as they only
have a single .exp. A few (like cris & frv) have multiple .exp though
and will see a bit of a speed up.
The real gain is when testing a multitarget build. This way we can
run all the targets in parallel and cut the execution time a bit.
On my system, it goes from ~155sec to ~100sec.
We can gain further speedups by splitting up some of the larger .exp
files into smaller groups. We'll do that in a followup though.
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Leverage the new per-port toolchain settings to initialize the env
for eeach set of tests. This allows us to run all the tests in a
multitarget build if the user sets up the vars. If they don't, we
can still skip all the tests.
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Gas does not support multitarget builds -- it still only supports
a single input & output format. ld is a bit better, but requires
manual flags to select the right output. This makes it impossible
to run the complete testsuite in a multitarget build.
To address this limitation, create a suite of FOR_TARGET variables
so these can be set to precompiled as & ld programs. It requires
a bit of setup ahead of time, but it's a one-time cost, and makes
running the full testsuite at once much easier.
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Some of the core sim headers rely on the SIM_AC_OPTION_BITSIZE macro
which can change the size of core types. Since these haven't been
unified across ports, add checks to make sure they aren't accidentally
included when building for all ports. This caught the sim-load file
using poisoned headers that it didn't actually need.
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Now that we've unified all the syscall tables, this file does not rely
on any port-specific settings, so move it up to building as part of the
common step so we only do it once in a multibuild.
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Now that all ports have switched to target-newlib-* files, there's
no need for these files & generating things at build time. So punt
the logic and make target-newlib-syscall a hard requirement.
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Use the new target-newlib-syscall module. This is needed to merge all
the architectures into a single build, and mcore has a custom syscall
table for its newlib/libgloss port.
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Use the new target-newlib-syscall module. This is needed to merge all
the architectures into a single build, and riscv has a custom syscall
table for its newlib/libgloss port.
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Use the new target-newlib-syscall module. This is needed to merge all
the architectures into a single build, and cr16 has a custom syscall
table for its newlib/libgloss port.
This allows cleaning up the syscall ifdef logic. We know these will
always exist now.
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Use the new target-newlib-syscall module. This is needed to merge all
the architectures into a single build, and d10v has a custom syscall
table for its newlib/libgloss port.
This allows cleaning up the syscall ifdef logic. We know these will
always exist now.
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Use the new target-newlib-syscall module. This is needed to merge all
the architectures into a single build, and sh has a custom syscall
table for its newlib/libgloss port.
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Use the new target-newlib-syscall module. This is needed to merge all
the architectures into a single build, and v850 has a custom syscall
table for its newlib/libgloss port.
This allows cleaning up the syscall ifdef logic. We know these will
always exist now.
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Use the new target-newlib-syscall.h to provide the target syscall
defines. These code paths are written specifically for the newlib
ABI rather than being generalized, so switching them to the defines
rather than trying to go through the dynamic callback conversion
seems like the best trade-off for now. Might have to reconsider
this in the future.
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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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Avoid use of TARGET_<syscall> defines and rely on the callback layers
to resolve these dynamically so we can support multiple syscall layers
instead of assuming the newlib/libgloss numbers all the time.
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Avoid use of TARGET_<syscall> defines and rely on the callback layers
to resolve these dynamically so we can support multiple syscall layers
instead of assuming the newlib/libgloss numbers all the time.
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This port was dropped from gdb/bfd/sim years ago, so stop including
its syscall constants too.
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Expand the value at `make` time rather than configure generation time
so that we handle $(datarootdir) setting properly.
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As we setup more reliable CC_FOR_TARGET variables for each target, the
bfin way of overriding it to stuff custom CFLAGS doesn't scale well.
Add a dedicated CFLAGS_FOR_TARGET_init setting that each set of tests
can setup if they want to add custom options.
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In a multitarget build, we process all targets in order, so make sure
the toolchain settings from one don't leak into the next.
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If the board info sets the sim to a basename that is found via $PATH
(which is the default dejagnu behavior), the logic here to use its
dirname to find rvdummy fails because it looks for `./rvdummy`. So
switch it to always use the local build of rvdummy which is the one
we want to be testing against in the first place.
If we get a request for testing against a different setup, we can
figure out & document the needs at that point, and then setup some
config knobs to control it.
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Add missing $(EXEEXT) to dependencies on bits-gen. These are actually
build-only tools, but automake doesn't allow for build & host tools, so
the rules are re-using EXEEXT.
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We usually test against the newlib/libgloss environment, but for a
few ports that also support Linux apps, we want to test that logic
too. A lot of the C code is written such that it works with either
newlib/libgloss or glibc/linux toolchains, but we have some tests
that end up being Linux-specific. Cris has been using the target
tuple as a rough proxy for this (where cris*-*-elf is assumed to be
newlib/libgloss, and everything else is glibc/linux), but that is a
bit too rough, and it doesn't work in a multitarget build.
So lets create a few stub files that we can do compile tests with
to detect the different setups, and then let tests declare which
one they require (if they require any at all).
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Both bfin & cris ports test the C compiler to see if it works, but in
their own way. Unify the checks in the common code so we can leverage
them in more ports in the future, and collapse the bfin & cris code.
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The sim_init function was called by runtest for each test when --tool
was set to sim. When we changed to --tool '' to collapse the testsuite
dir, the init function was no longer called on every test. However, it
was still being called explicitly by config/default.exp. It's not clear
why that explicit call ever existed since, in the past, it meant it was
redundant.
Lets drop the single sim_init call in config/default.exp and move it out
to all our tests. This replicates the runtest behavior so we can setup
variables on a per-test basis which allows us to recollapse the sim_path
logic back. We'll also leverage this in the future for toolchain setup.
Also add a few comments clarifying the overall runtime behavior.
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If the cris sim hasn't been built yet, trying to run its testsuite
will hang indefinitely. The common sim APIs already have this, so
copy it over to the cris forks of the test+run functions.
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The tests assume that the cwd is the objdir directory and write its
intermediates to there all the time. When using runtest's --objdir
setting though, this puts the files in the wrong place. This isn't
a big problem currently as we never change --objdir, but in order to
support parallel test execution, we're going to start setting that
option, so clean up the code ahead of time.
We also have to tweak some of the cris tests which were making
assumptions about the argv[0] value.
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Now that all the other toolchain settings have been renamed to match
the dejagnu settings of XXX_FOR_TARGET, rename global_sim_options to
SIMFLAGS_FOR_TARGET too.
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Only a few tests actually use global_ld_options, but we can replace the
sim-specific settings with the dejagnu common LDFLAGS_FOR_TARGET and get
the same result.
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Only a few tests actually use global_as_options, but we can replace the
sim-specific settings with the dejagnu common ASFLAGS_FOR_TARGET and get
the same result.
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Nothing in the testsuite is using this setting, so let's drop it.
Any code that wants to set compiler flags can use CFLAGS_FOR_TARGET
instead to get the same effect.
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These haven't been used in over 20 years. The sim testsuite used to
run these tools itself directly, but back in ~1999 it switched to the
dejagnu helpers (e.g. target_assemble & target_link), and the dejagnu
logic only utilizes XXX_FOR_TARGET variables. Punt them here to avoid
confusion with dead code.
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