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Some C libraries export _P symbols in their headers (like older
newlib and its ctype.h), so use P_ instead to avoid conflicts.
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The v850 testsuite code has been testing the $opt variable, but this
was never actually set anywhere globally or v850-specific. Instead,
this was a random variable leaking out of the sh testsuite code. As
far as I can tell, it has always been this way. That means the code
only ever tested the v850 cpu target (which is the default).
This failure can be easily seen in practice by running the v850 code
in isolation and seeing it crash:
$ runtest v850/allinsns.exp
...
Running target unix
Using /usr/share/dejagnu/baseboards/unix.exp as board description file for target.
Using /usr/share/dejagnu/config/unix.exp as generic interface file for target.
Using ../../../sim/testsuite/config/default.exp as tool-and-target-specific interface file.
WARNING: Assuming target board is the local machine (which is probably wrong).
You may need to set your DEJAGNU environment variable.
Running ../../../sim/testsuite/v850/allinsns.exp ...
ERROR: tcl error sourcing ../../../sim/testsuite/v850/allinsns.exp.
ERROR: tcl error code TCL LOOKUP VARNAME opt
ERROR: can't read "opt": no such variable
while executing
"switch -regexp -- $opt {
Backing up a bit, the reason for this logic in the first place is
because the common sim testsuite code makes an assumption about the
assembler options with cpu_option -- the option and its value are
always separated by an =. This is not the case with v850. So tweak
the core sim logic a bit to support omitting the = so that we can
switch v850 to the standard all_machs setting and avoid opt entirely.
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The upstream GCC tester has showed spurious execution failures on the
H8 target for the H8/SX multilibs. I suspected memory corruption or an
uninitialized variable early as the same binary would sometimes work and
sometimes it got the wrong result. Worse yet, the point where the test
determined it was getting the wrong result would change.
Because it only happened on the H8/SX variant I was able to zero in on
the "mova" support and the "short form" of those instructions in particular.
As the code stands it checks if code->op3.type == 0 to try and identify cases
where op3 wasn't filled in and thus we've got the short form of the mova
instruction.
But for the short-form of those instructions we never set any of the "op3"
data structure. We get whatever was lying around -- it's usually zero and
thus things usually work, but if the stale data was nonzero, then we'd
fail to recognize the instruction as a short-form and fail to set up the
various fields appropriately.
I initially initialized the op3.type field to zero, but didn't like that
because it was inconsistent with how other operands were initialized.
Bringing consistency meant using -1 as the initializer value and adjusting
the check for short form mova appropriately.
I've had this in the upstream GCC tester for perhaps a year at this point
and haven't seen any of the intermittent failures again.
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Now that we have more than one option that matches "--env", the test
config here doesn't work. Use the explicit --environment.
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Instead of always using target_alias as a prefix on the name, use
program_transform_name instead so that the library is scoped in the
same way as the run program.
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If we aren't building any sims, don't install the sim headers as they
won't be useful to anyone.
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Extend the common test framework to support $pwd replacements in
settings. This allows replacing the custom cris @exedir@ with it.
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The common framework supports $srcdir & $subdir replacements already,
so replace the custom @srcdir@ logic with those. Since the replace
happens in slurp_options that cris already uses, we don't have any
logic to port over there. We have to duplicate that into the cris
slurp_rv helper though.
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This tag is used to force tests to be built dynamically (i.e. without
-static linking). This is because cris-sim.exp in dejagnu turns on
static linking in ldflags.
The default configs and runtest flags shouldn't load these boards.
If these settings are still needed, we should figure out a different
way of suppressing the stock settings wholesale. We want these to
all pass out of the box with little to no configuration so that they
can run in a multitarget build.
With dropping "dynamic", it'll be easier to merge the custom cris
test logic with the common sim test logic.
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site.exp is still verbose, but that comes from automake, so have
to get it fixed upstream.
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On gcc-12 build fails as:
sim/cr16/interp.c: In function 'lookup_hash':
sim/cr16/interp.c:89:25: error:
the comparison will always evaluate as 'true'
for the address of 'mnimonic' will never be NULL [-Werror=address]
89 | if ((h->ops->mnimonic != NULL) &&
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'mnimonic' is a sharr array within ops. It can never be NULL.
While at it renamed 'mnimonic' to 'mnemonic'.
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Support the same syntax as other common utilities where env vars can
be specified before the program to be run without an explicit option.
This behavior can be suppressed by using the -- marker.
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Provide explicit control over the program's environment with the
basic set/unset/clear options. These are a bit clunky to use,
but they're functional.
The env set operation is split out into a separate function as it'll
be used in the next commit.
With these in place, we can adjust the custom cris testsuite to use
the now standard options and not its one-off hack.
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Now that the callback framework supports argv & envp, we can move
the Blackfin implementation of these syscalls to the common code.
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Now that we have access to the argv & envp strings, finish implementing
these syscalls. Delete unused variables, fix tbuf by incrementing the
pointer instead of setting to the length, and make sure we don't write
more data than the bufsize says is available.
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Pass the existing strings data to the callbacks so that common
libgloss syscalls can be implemented (which we'll do shortly).
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We've been passing the environment strings to sim_create_inferior,
but most ports don't do anything with them. A few will use ad-hoc
logic to stuff the stack for user-mode programs, but that's it.
Let's formalize this across the board by storing the strings in the
normal sim state. This will allow (in future commits) supporting
more functionality in the run interface, and to unify some of the
libgloss syscalls.
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Turns out some of these were hiding real bugs like not passing the
pc variable down.
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The point of this test is to just make sure the usage text is shown,
not the exact details of the usage text. So shorten the output test
to match the beginning. This fixes breakage when the output changed
slightly to include [--].
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The new argv processing code assumed that we were always passed a
command line. If we weren't, make sure we don't crash before we
get a chance to output an error message about incorrect usage.
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Add quiet build support and make sure it's removed with `make clean`.
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The #dest field used in the cris testsuite is a bit of hack to set the
argv[0] for the tests to read out later on. Now that the sim has an
option to set argv[0] explicitly, we don't need this custom field, so
let's drop it to harmonize the testsuites a little.
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We default argv[0] to the program we run which is a standard *NIX
convention, but sometimes we want to be able to control the argv[0]
setting independently (especially for programs that inspect argv[0]
to change their behavior or output). Add an option to control it.
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We use the program argv to both find the program to run (argv[0]) and
to hold the arguments to the program. Most of the time this is fine,
but if we want to let programs specify argv[0] independently (which is
possible in standard *NIX programs), this double duty doesn't work.
So let's split the path to the program to run out into a separate
field by itself. This simplifies the various sim_open funcs too.
By itself, this code is more of a logical cleanup than something that
is super useful. But it will open up customization of argv[0] in a
follow up commit. Split the changes to make it easier to review.
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Set the mach to the right value all the time, and update xfail to
say the test fails on all targets. WIth multitarget testing, the
idea of target here doesn't make much sense.
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This code triggers -Werror=switch-bool warnings with <=gcc-5 versions.
Rework it to use if statements instead as it also simplifies a bit.
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In <=gcc-7 versions, -fstrict-overflow is enabled by default, and that
triggers warnings in this code that relies on integer overflows to test
for carries. Change the logic to test against the limit directly.
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Most code isn't using this, and the only call site (in one cris file)
can use target_compile directly. So switch it over to simplify.
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Since gcc dropped support for a.out starting with 4.4.0 in 2009, it's
been impossible to verify this code actually still works. Since it
crashes in ld, and it uses a config option that no other tests uses
and we want to remove, drop the test to avoid all the trouble.
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Outputting an extra space broke a cris test. Change the workaround
to use %s with an empty string to avoid the compiler warning but not
output an extra space.
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There's no need to sync testutils.inc with remote hosts. The one
we have in the source tree is all we need and only thing we test.
Delete it to simplify.
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Objcopy was used to create a binary file of just the executable code
since the environment requires code to based at address 0. We can
accomplish the same thing with the -Ttext=0 flag, so switch to that
to get rid of custom logic.
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When I refactored this by scoping it to sim-frv-xxx in commit
e7954ef5e5ed90fb7d28c013518f4c2e6bcd20a1 ("sim: frv: scope the
unique configure flag"), I changed the default from off to on.
While the feature is nice for developers, it breaks a bunch of
tests which aren't expecting this extra output. So flip it back
to off by default.
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Switch from the centralized list in the exp file to each test declaring
its own requirements which they're already (mostly) doing. This will
increase coverage slightly by running more tests in more configurations
since the hardcoded exp list was a little out of date.
We have to mark the psh* tests as shdsp only (to match what the exp
file was doing), mark the fsca & fsrra tests as failing (since they
weren't even being run by the exp file), and to fix the expected
output & status of the fail test.
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Move some unused funcs under existing #if 0 protection, mark a few
local funcs as static, and add missing prototypes for the rest which
are used from other files. This fixes all the fatal warnings in the
mloop files so we can turn -Werror on here fully.
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On LLP64 targets where sizeof(long) != sizeof(void*), this code fails:
sim/sh/interp.c:704:24: error: cast from pointer to integer of different size -Werror=pointer-to-int-cast]
704 | do { memstalls += ((((long) PC & 3) != 0) ? (n) : ((n) - 1)); } while (0)
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Since this code simply needs to check alignment, cast it using uintptr_t
which is the right type for this.
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Casting 0 to a pointer via (long *) doesn't work on LLP64 targets:
error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast]
It's also unnecessary here. We can simply pass NULL like every other
bit of code does.
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Some _WIN32 targets provide utime (like mingw), so move the header
include out from _WIN32 and under the specific HAVE_UTIME_H check.
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This isn't needed on any reasonable target nowadays, and no other
source does this, and breaks with some mingw targets, so punt the
extern entirely.
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The code assumes that all _WIN32 targets are the same and can
define isnan to _isnan. For mingw targets, they provide an isnan
define already, so no need for the fallback here.
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Some targets (like cygwin) will export page size defines that clash
with our local usage here. Undefine the system one to fix building
for these targets.
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Drop our compat code and assume environ exists to simplify.
We did this for all other targets already, but ppc was missed.
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With most of the warnings fixed in interp.c, we can enable -Werror
here too now. There are some -Wmaybe-uninitialized warnings still
lurking that look legitimate, but we don't flag those are fatal,
and I don't have the expertise to dive into each opcode to figure
out the right way to clean them up.
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This block of code relies on i to control which bits to test and how
many times to run through the loop, but it never actually initialized
it. There is another chunk of code that handles the pdmsb instruction
that sets i to 16, so use that here too assuming it's correct. The
programming manual suggests this is the right value too, but I am by
no means a SuperH DSP expert. The tests are still passing though ...
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Add parentheses to a bunch of places where the compiler suggests we
do to avoid confusion to most readers.
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These macro expansions are deliberate in not using the computed value
so that they trigger side-effects (possible invalid memory accesses)
but while otherwise being noops. Add a (void) cast so the compiler
knows these are intentional.
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Now that we require C11, we can leverage anonymous unions & structs
to fix a long standing issue with the SH register layout. The use
of sregs.i for sh-dsp has generated a lot of compiler warnings about
the access being out of bounds -- it only has 7 elements declared,
but code goes beyond that to reach into the fregs that follow. But
now that we have anonymous unions, we can reduce the nested names
and have sregs cover all of these registers.
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Since the first argument type is unsigned32 or unsigned64, just use
sim_fpu_to{32,64}u instead of sim_fpu_to{32,64}i to fix the following
build warnings:
CC cp1.o
.../sim/mips/cp1.c: In function 'convert':
.../sim/mips/cp1.c:1425:32: warning: pointer targets in passing argument 1 of 'sim_fpu_to32i' differ in signedness [-Wpointer-sign]
status |= sim_fpu_to32i (&result32, &wop, round);
^~~~~~~~~
In file included from .../sim/mips/sim-main.h:67,
from .../sim/mips/cp1.c:46:
.../sim/mips/../common/sim-fpu.h:270:22: note: expected 'signed32 *' {aka 'int *'} but argument is of type 'unsigned32 *' {aka 'unsigned int *'}
INLINE_SIM_FPU (int) sim_fpu_to32i (signed32 *i, const sim_fpu *f,
^~~~~~~~~~~~~
.../sim/mips/cp1.c:1429:32: warning: pointer targets in passing argument 1 of 'sim_fpu_to64i' differ in signedness [-Wpointer-sign]
status |= sim_fpu_to64i (&result64, &wop, round);
^~~~~~~~~
In file included from .../sim/mips/sim-main.h:67,
from .../sim/mips/cp1.c:46:
.../sim/mips/../common/sim-fpu.h:274:22: note: expected 'signed64 *' {aka 'long int *'} but argument is of type 'unsigned64 *' {aka 'long unsigned int *'}
INLINE_SIM_FPU (int) sim_fpu_to64i (signed64 *i, const sim_fpu *f,
^~~~~~~~~~~~~
.../sim/mips/cp1.c: In function 'convert_ps':
.../sim/mips/cp1.c:1528:34: warning: pointer targets in passing argument 1 of 'sim_fpu_to32i' differ in signedness [-Wpointer-sign]
status_u |= sim_fpu_to32i (&res_u, &wop_u, round);
^~~~~~
In file included from .../sim/mips/sim-main.h:67,
from .../sim/mips/cp1.c:46:
.../sim/mips/../common/sim-fpu.h:270:22: note: expected 'signed32 *' {aka 'int *'} but argument is of type 'unsigned32 *' {aka 'unsigned int *'}
INLINE_SIM_FPU (int) sim_fpu_to32i (signed32 *i, const sim_fpu *f,
^~~~~~~~~~~~~
.../sim/mips/cp1.c:1529:34: warning: pointer targets in passing argument 1 of 'sim_fpu_to32i' differ in signedness [-Wpointer-sign]
status_l |= sim_fpu_to32i (&res_l, &wop_l, round);
^~~~~~
In file included from .../sim/mips/sim-main.h:67,
from .../sim/mips/cp1.c:46:
.../sim/mips/../common/sim-fpu.h:270:22: note: expected 'signed32 *' {aka 'int *'} but argument is of type 'unsigned32 *' {aka 'unsigned int *'}
INLINE_SIM_FPU (int) sim_fpu_to32i (signed32 *i, const sim_fpu *f,
^~~~~~~~~~~~~
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
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