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2021-05-28sim: h8300 add special case test.Yoshinori Sato10-16/+520
* addb.s: Add special case reg,<@reg+ / @reg- / @+reg / @-reg>. * andb.s: Likewise. * cmpb.s: Likewise. * orb.s: Likewise. * subb.s: Likewise. * xorb.s: Likewise. * movb.s: Add special case reg,<@reg+ / @reg- / @+reg / @-reg> @reg+,@reg+ / @-reg,@-reg. * movw.s: Likewise. * movl.s: Likewise.
2021-05-07sim: Add bfd include path for common testsuite toolsDimitar Dimitrov2-1/+6
On a host without installed libbfd, this patch fixes the following "make check-sim" errors for both pru cross target, and native x86_64: In file included from ../../../binutils/sim/common/sim-basics.h:131, from testsuite/common/bits32m0.c:13:../../../binutils/sim/../include/gdb/callback.h:55:10: fatal error: bfd.h: No such file or directory 55 | #include "bfd.h" | ^~~~~~~ Signed-off-by: Dimitar Dimitrov <dimitar@dinux.eu>
2021-05-06sim: h8300 special case testYoshinori Sato4-2/+37
In "mov. [bwl] reg, @ -reg", added a special case test using the same register.
2021-05-04sim: microblaze: hook up libgloss syscallsMike Frysinger4-2/+36
When in the virtual environment, have brki 8 trigger libgloss syscalls like other ports. This also matches the ABI that Linux uses for its syscalls (ignoring the syscall table differences).
2021-04-18sim: syscall: add getpid supportMike Frysinger2-0/+22
Hoist the Blackfin implementation up to the common one.
2021-04-08sim: testsuite: support exit 77 for unsupported testsMike Frysinger2-1/+8
Exit status 77 is common (including the autotools world) to indicate "skip this test". Add support for mapping that to "unsupported" as that's the closest in the dejagnu world.
2021-04-08sim: testsuite: skip tests when the port is disabledMike Frysinger2-0/+10
If the port hasn't been enabled, don't try to run its tests. Making this dynamic simplifies the test harnesses and avoids duplicating a bunch of target tuple checks.
2021-04-08sim: testsuite: calculate $arch from $subdirMike Frysinger72-180/+142
Since we require ports to use a matching subdir name in the testsuite tree, we can use that to calculate the $arch value.
2021-04-03sim: example-synacor: a simple implementation for referenceMike Frysinger20-0/+429
Provide a simple example simulator for people porting to new targets to use as a reference. This one has the advantage of being used by people and having a fun program available for it. It doesn't require a special target -- the example simulators can be built for any existing port.
2021-04-03sim: testsuite: integrate common tests into buildMike Frysinger4-53/+92
Now that we have the common automake build with support for build-time programs working, we can integrate the common tests into the default `make check` flow.
2021-03-07sim: testsuite: merge into toplevel automakeMike Frysinger4-179/+41
This allows us to delete most of our custom test logic, and avoids a recursive make for minor speed up.
2021-02-13sim: testsuite: push $arch out to targetsMike Frysinger70-42/+269
This is needed to move to automake & its dejagnu-provided logic, and eventually by the unified sim logic. The $arch is used only to figure out which `run` program to use when running tests, and as we move to a single top-level build, we can delete this and use sim/run directly.
2021-02-04sim: riscv: new portMike Frysinger5-0/+81
This is a hand-written implementation that should have fairly complete coverage for the base integer instruction set ("i"), and for the atomic ("a") and integer multiplication+division ("m") extensions. It also covers 32-bit & 64-bit targets. The unittest coverage is a bit weak atm, but should get better.
2021-01-18sim: bfin: delete accidental ADI copyrightMike Frysinger2-1/+4
This wasn't supposed to be in here when it was first merged as we had specifically disabled it for all the tests (and ADI has papers in place w/the FSF). Clean up this one.
2021-01-15sim: testsuite: flatten treeMike Frysinger2860-1/+5
Now that all port tests live under testsuite/sim/*/, and none live in testsuite/ directly, flatten the structure by moving all of the dirs under testsuite/sim/ to testsuite/ directly. We need to stop passing --tool to dejagnu so that it searches all dirs and not just ones that start with "sim". Since we have no other dirs in this tree, and no plans to add any, should be fine.
2021-01-15sim: testsuite: delete configure scriptMike Frysinger4-3112/+9
Now that we've moved all ports to dejagnu & testsuite/sim/, the only thing the testsuite/configure script has been doing is filling in the sim_arch field in the testsuite/Makefile. We can simply let the top sim/configure script do that for us now. This simplifies & speeds up the build a bit by killing an entire configure script.
2021-01-15sim: d10v: relocate tests & clean up test harnessMike Frysinger58-3434/+300
This is the only target using a dir directly under testsuite/. All others use sim/<arch>/ instead. Relocate it so all targets look the same, and so we can leverage the common test harness. We drop loop.s in the process because it was never referenced and was just 2 lines of code. All other test files are moved & have directives added to the top so that the test harness can invoke them correctly.
2021-01-15sim: mips: delete empty stub test dirMike Frysinger7-3200/+7
No tests were ever added in here in the ~22 years since it was first created. Seems unlikely any tests will be added at this rate, and the sim/mips/ testdir already has some (light) coverage for this target. So punt the tree.
2021-01-15sim: frv: clean up redundant test coverageMike Frysinger14-3219/+48
The frv-elf subdir contained five tests: * cache: A cache test of some sort. * exit47: A program to test exit status of 47 from sim. * grloop: Some basic limited loop test program. * hello: Standard "hello world" output program. * loop: An infinite loop program. The loop.s test is never referenced anywhere, and is all of 2 lines. Anyone who really needs a while(1); test case and re-implement it themselves locally. The cache.s code isn't referenced anywhere because it requires some custom args to the run program, and when this testcase was added, we didn't have any support for that. We do now, so we can add a header to enable that. Turns out the code crashes even with those, so turn around and mark it xfail. Maybe someone someday will care. That leaves the small exit47, grloop, and hello tests. Now that the sim test harness supports testing for custom exit status, we can move them all to sim/frv/ to maintain test coverage. The remaining differences between frv-elf & sim/frv are: * frv-elf/ runs for frv-*-elf while sim/frv/ runs for frv*-*-*. * frv-elf/ runs "*.s" files while sim/frv/ only has .cgs and such. On closer inspection, these are also meaningless distinctions: * There is nothing specific to the tests that require an *-elf target. Normally that would mean newlib+libgloss type stuff, but there's no such requirement in frv-elf/. * The ".s" suffix is the standard "this is an assembly file" suffix. Since FRV is a CGEN target, we can reuse the existing convention of ".ms" to mean "miscellaneous .s" as in "this is an assembly file, and run/bucket its test results in the miscellaneous category". So moving frv-elf/{cache,exit47,grloop,hello}.s to sim/frv/*.ms makes sense and simplifies things quite a bit for the target while also slightly increasing the coverage for some tuples.
2021-01-15sim: m32r: clean up redundant test coverageMike Frysinger11-3203/+14
The m32r-elf subdir contained three tests: * exit47: A program to test exit status of 47 from sim. * hello: Standard "hello world" output program. * loop: An infinite loop program. There's already a sim/m32r/hello.ms test that does exactly the same thing as m32r-elf/hello.s, so we can delete that. The loop.s test is never referenced anywhere, and is all of 2 lines. Anyone who really needs a while(1); test case and re-implement it themselves locally. That leaves the single exit47 test. Now that the sim test harness supports testing for custom exit status, we can easily move that to sim/m32r/exit47.ms to maintain test coverage. The remaining differences between m32r-elf & sim/m32r are: * m32r-elf/ runs for m32r-*-elf while sim/m32r/ runs for m32r*-*-*. * m32r-elf/ runs "*.s" files while sim/m32r/ runs "*.ms" files. On closer inspection, these are also meaningless distinctions: * There is nothing specific to the tests that require an *-elf target. Normally that would mean newlib+libgloss type stuff, but there's no such requirement in m32r-elf/. * The ".s" suffix is the standard "this is an assembly file" suffix. Turns out ".ms" is just how sim/m32r/ (and a few other CGEN based targets) categorize/bucket test cases. It simply means "miscellaneous .s" as in "this is an assembly file, and run/bucket its test results in the miscellaneous category". So moving m32r-elf/exit47.s to sim/m32r/exit47.ms makes sense and simplifies things quite a bit for the target while also slightly increasing the coverage for some tuples.
2021-01-15sim: testsuite: allow tests to declare expected exit statusMike Frysinger5-13/+32
Some tests want to verify they can control the exit status, and allowing any non-zero value would allow tests to silently fail: if it crashed & exited 1, or forced all non-zero to 1, then we wouldn't be able to differentiate with a test exiting with a status like 47. Extend the test harness to allow tests to declare their expected exit status that would be defined as a "pass". This requires a small tweak to the sim_run API to return the status directly, but that shouldn't be a big deal as it's only used by sim code.
2021-01-11sim: tests: get common tests working againMike Frysinger4-41/+46
These were written with 32-bit host assumptions baked into it. Simplify the printf formats to use ll length modifier as it's in C11 rather than trying to manually break it up into two, and cleanup some of the casts to stop assuming sizeof(long) is the same as sizeof(int). We also have to add a few more includes for the various funcs used in here. The tests aren't compiled automatically still. We can figure that out later with more work.
2021-01-09sim: replace rindex with strrchrMike Frysinger2-2/+6
2021-01-09sim: sh64: delete portMike Frysinger392-13498/+5
Support for sh64 was dropped from bfd et al in 2018. Without that, the sim port is useless. So clean up this code too.
2021-01-07sim: ChangeLog: move arch-specific entries into the arch dirMike Frysinger2-17/+21
We don't want arch-specific entries in the common ChangeLog files. Most arches do this already, so clean up the recent additions, and move some older entries down to help avoid confusing newcomers.
2021-01-07sim: cris: disable test that crashes the linkerMike Frysinger2-1/+10
PR ld/13900 Linking this test crashes the linker, so disable it. The crash was reported about 9 years ago but haven't made progress, so lets avoid the failures in test runs.
2021-01-07sim: cris: use -sim with C tests for cris-elf targetsMike Frysinger2-0/+8
Building the C tests with a cris-elf toolchain (gcc-10.2 & newlib-4.1.0) currently fail due to warnings it emits: cris-elf-ld: libc.a(lib_a-closer.o): in function `_close_r': newlib/libc/reent/closer.c:47: warning: _close is not implemented and will always fail This is because the default target for cris-elf is bare metal, not the simulator. For that, we need -sim. So add it for elf targets. We don't add it for all targets as the simulator (and testsuite) run both libgloss programs as well as Linux userspace programs.
2021-01-07fix paths in ChangeLogMike Frysinger1-5/+5
2021-01-07sim: cris: fix C tests with newer toolchainsMike Frysinger11-2/+21
Make sure we include unistd.h for getpid prototypes to fix build warnings/errors with newer compilers & C libraries. Doing that for close in openpf highlights these were using the wrong function -- need to use fclose on FILE*, not close. These tests pass again with a cris-elf toolchain.
2021-01-05sim: fr30: delete unused testsuiteMike Frysinger108-7226/+4
Looking through the history, it doesn't seem like the fr30 port was ever merged. There used to be a testsuite/fr30-elf/ dir, but that was punted back in 2005 as being dead too. Since there's no refs and the dir hasn't been touched since 1999, lets assume no one will ever notice or care.
2021-01-05sim: testsuite: delete unused Make-common.in fileMike Frysinger2-90/+4
This seems like it was meant to unify arch test Makefiles, but that never happened, and we've instead unified using dejagnu.
2021-01-05sim: h8300: fix test mach markersMike Frysinger10-9/+15
These tests all fail to assemble when targeting the h8300 or h8300h cpu variants with errors like: rotl.s:242: Warning: Opcode `rotl.b' with these operand types not available in H8/300H mode rotl.s:242: Error: invalid operands It's been this way for years and no one seems to care, so disable them for those targets since the assembler thinks it's impossible.
2021-01-05sim: h8300: simplify testsuite runnerMike Frysinger2-61/+15
We don't need to manually enumerate every test. Use a glob function like every other port and rely on the (already existing) #mach headers in each file to filter out targets we don't care about.
2021-01-04sim: stdlib.h for abs()Mike Frysinger2-0/+5
Make sure the files using abs() include stdlib.h for its prototype. These files were relying on it being included implicitly by others which isn't guaranteed, and newer toolchains produce warnings.
2021-01-04sim: update bug URI to https://Mike Frysinger1-0/+4
2021-01-01Update copyright year range in all GDB filesJoel Brobecker61-61/+61
This commits the result of running gdb/copyright.py as per our Start of New Year procedure... gdb/ChangeLog Update copyright year range in copyright header of all GDB files.
2020-11-12sim: pru: Add support for LMBD instructionDimitar Dimitrov2-0/+65
Binutils support for LMBD instruction was merged [1]. So add it also to simulator. LMBD instruction does left-most-bit-detection. It returns 32 if the given bit value is not found in the provided word value. [1] https://sourceware.org/pipermail/binutils/2020-October/113901.html sim/pru/ChangeLog: * pru.h (RS1SEL): New macro. (RS1_WIDTH): New macro. * pru.isa: Describe the LMBD instruction. sim/testsuite/sim/pru/ChangeLog: * lmbd.s: New test.
2020-10-06sim: Fix autoreconf errors in sim/ directoryAndrew Burgess15-15/+40
Run autoreconf in sim/ directory and you'll see some errors. The problem is that autoreconf (a perl script) does not evaluate the value passed as an argument to AC_CONFIG_AUX_DIR, so something like: AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/../..) does not do the right thing inside autoreconf, my understanding is that changing to something like this is fine: AC_CONFIG_AUX_DIR(../..) the generated configure seems to check the value passed, and the value passed relative to the source directory, so I think we get basically the same behaviour as before. sim/testsuite/ChangeLog: * configure: Regnerate. * configure.ac (AC_CONFIG_AUX_DIR): Update. sim/testsuite/d10v-elf/ChangeLog: * configure: Regnerate. * configure.ac (AC_CONFIG_AUX_DIR): Update. sim/testsuite/frv-elf/ChangeLog: * configure: Regnerate. * configure.ac (AC_CONFIG_AUX_DIR): Update. sim/testsuite/m32r-elf/ChangeLog: * configure: Regnerate. * configure.ac (AC_CONFIG_AUX_DIR): Update. sim/testsuite/mips64el-elf/ChangeLog: * configure: Regnerate. * configure.ac (AC_CONFIG_AUX_DIR): Update.
2020-09-08bpf: simulator: correct div, mod insn semanticsDavid Faust3-17/+45
The div and mod eBPF instructions are unsigned, but the semantic specification for the simulator incorrectly used signed operators. Correct them to unsigned versions, and correct the ALU tests in the simulator (which incorrectly assumed signed semantics). Tested in bpf-unknown-none. cpu/ChangeLog: 2020-09-08 David Faust <david.faust@oracle.com> * bpf.cpu (define-alu-instructions): Correct semantic operators for div, mod to unsigned versions. sim/ChangeLog: 2020-09-08 David Faust <david.faust@oracle.com> * bpf/sem-be.c: Regenerate. * bpf/sem-le.c: Likewise. sim/testsuite/ChangeLog: 2020-09-08 David Faust <david.faust@oracle.com> * sim/bpf/alu.s: Correct div and mod tests. * sim/bpf/alu32.s: Likewise.
2020-08-05MSP430: sim: Fix incorrect simulation of unsigned widening multiplyJozef Lawrynowicz2-0/+59
Operand sizes used for simulation of MSP430 hardware multiply operations are not aligned with the sizes used on the target, resulting in the simulator storing signed operands with too much precision. Additionally, simulation of unsigned multiplication is missing explicit casts to prevent any implicit sign extension. gcc.c-torture/execute/pr91450-1.c uses unsigned widening multiplication of 32-bit operands -4 and 2, to produce a 64-bit result: 0xffff fffc * 0x2 = 0x1 ffff fff8 If -4 is stored in 64-bit precision, then the multiplication is essentially signed and the result is -8 in 64-bit precision (0xffff ffff ffff fffc), which is not correct. sim/msp430/ChangeLog: * msp430-sim.c (put_op): For unsigned multiplication, explicitly cast operands to the unsigned type before multiplying. * msp430-sim.h (struct msp430_cpu_state): Fix types used to store hwmult operands. sim/testsuite/sim/msp430/ChangeLog: * mpyull_hwmult.s: New test.
2020-08-04sim: eBPF simulatorJose E. Marchesi14-0/+862
This patch introduces the basics of an instruction-simulator for eBPF. The simulator is based on CGEN. gdb/ChangeLog: 2020-08-04 Jose E. Marchesi <jose.marchesi@oracle.com> * configure.tgt: Set gdb_sim for bpf-*-* targets. sim/ChangeLog: 2020-08-04 Jose E. Marchesi <jose.marchesi@oracle.com> David Faust <david.faust@oracle.com> * configure.tgt (sim_arch): Add entry for bpf-*-*. * configure: Regenerate. * MAINTAINERS: Add maintainer for the BPF simulator. * bpf/Makefile.in: New file. * bpf/bpf-helpers.c: Likewise. * bpf/bpf-helpers.def: Likewise. * bpf/bpf-helpers.h: Likewise. * bpf/bpf-sim.h: Likewise. * bpf/bpf.c: Likewise. * bpf/config.in: Likewise. * bpf/configure.ac: Likewise. * bpf/decode.h: Likewise. * bpf/eng.h: Likewise. * bpf/mloop.in: Likewise. * bpf/sim-if.c: Likewise. * bpf/sim-main.h: Likewise. * bpf/traps.c: Likewise. * bpf/configure: Generate. * bpf/aclocal.m4: Likewise. sim/testsuite/ChangeLog: 2020-08-04 David Faust <david.faust@oracle.com> Jose E. Marchesi <jose.marchesi@oracle.com> * configure: Regenerate. * sim/bpf/allinsn.exp: New file. * sim/bpf/alu.s: Likewise. * sim/bpf/alu32.s: Likewise. * sim/bpf/endbe.s: Likewise. * sim/bpf/endle.s: Likewise. * sim/bpf/jmp.s: Likewise. * sim/bpf/jmp32.s: Likewise. * sim/bpf/ldabs.s: Likewise. * sim/bpf/mem.s: Likewise. * sim/bpf/mov.s: Likewise. * sim/bpf/testutils.inc: Likewise. * sim/bpf/xadd.s: Likewise.
2020-07-29Run `autoreconf -vf` throughoutSimon Marchi2-3/+7
I ran for i in $(find . -name configure.ac); do pushd $(dirname $i); autoreconf -vf; popd; done to re-generate all automake/autoconf files throughout the repo (with upstream autoconf 2.69 and automake 1.15.1). These were the changes that came out. I am pushing this as obvious. libdecnumber/ChangeLog: * aclocal.m4, configure: Re-generate. sim/bfin/ChangeLog: * aclocal.m4, configure: Re-generate. sim/erc32/ChangeLog: * configure: Re-generate. sim/mips/ChangeLog: * configure: Re-generate. sim/testsuite/ChangeLog: * configure: Re-generate. Change-Id: I97335c09972d25cc5f6fd8da4db4ffe4a0348787
2020-01-22MSP430: Fix simulator execution of RRUX instructionJozef Lawrynowicz2-0/+18
The MSP430X RRUX instruction (unsigned right shift) is synthesized as the RRC (rotate right through carry) instruction, but with the ZC (zero carry) bit of the opcode extention word set. Ensure the carry flag is ignored when the ZC bit is set. sim/msp430/ChangeLog: 2020-01-22 Jozef Lawrynowicz <jozef.l@mittosystems.com> * msp430-sim.c (msp430_step_once): Ignore the carry flag when executing an RRC instruction, if the ZC bit of the extension word is set. sim/testsuite/sim/msp430/ChangeLog: 2020-01-22 Jozef Lawrynowicz <jozef.l@mittosystems.com> * rrux.s: New test.
2020-01-01Update copyright year range in all GDB files.Joel Brobecker60-60/+60
gdb/ChangeLog: Update copyright year range in all GDB files.
2019-12-19Add install-strip to sim/Tom Tromey2-0/+6
PR build/24572 notes that "make install-strip" fails. For me, it works in every directory except "sim", so this patch adds install-strip targets to the Makefiles that appear there. sim/ChangeLog 2019-12-19 Tom Tromey <tromey@adacore.com> PR build/24572: * Makefile.in (install-strip): New target. sim/common/ChangeLog 2019-12-19 Tom Tromey <tromey@adacore.com> PR build/24572: * Makefile.in (install-strip): New target. sim/igen/ChangeLog 2019-12-19 Tom Tromey <tromey@adacore.com> PR build/24572: * Makefile.in (install-strip): New target. sim/ppc/ChangeLog 2019-12-19 Tom Tromey <tromey@adacore.com> PR build/24572: * Makefile.in (install-strip): New target. sim/testsuite/ChangeLog 2019-12-19 Tom Tromey <tromey@adacore.com> PR build/24572: * Makefile.in (install-strip): New target. Change-Id: I76613bc5c7e7812284f33826f8a5d914477fcdc5
2019-09-23Add testsuite for the PRU simulator portDimitar Dimitrov14-0/+582
sim/testsuite/ChangeLog: * configure: Regenerate. sim/testsuite/sim/pru/ChangeLog: * add.s: New test. * allinsn.exp: New file. * dmem-zero-pass.s: New test. * dmem-zero-trap.s: New test. * dram.s: New test. * jmp.s: New test. * loop-imm.s: New test. * loop-reg.s: New test. * mul.s: New test. * subreg.s: New test. * testutils.inc: New file.
2019-06-13sim/testsuite/or1k: Add tests for unordered comparesStafford Horne3-0/+202
Add tests for 32-bit and 64-bit unordered compare instructions. sim/testsuite/sim/or1k/ChangeLog: yyyy-mm-dd Stafford Horne <shorne@gmail.com> * fpu-unordered.S: New file. * fpu64a32-unordered.S: New file.
2019-06-13sim/testsuite/or1k: Add test case for l.adrp instructionStafford Horne2-0/+77
This is a simple test to ensure that the l.adrp instruction can be assembled and simulated correctly. sim/testsuite/sim/or1k/ChangeLog: yyyy-mm-dd Stafford Horne <shorne@gmail.com> * adrp.S: New file.
2019-06-13sim/testsuite/or1k: Add test for 64-bit fpu operationsStafford Horne2-0/+176
This is a very basic test but it ensure the machine is wired up correctly and that the assembler works. sim/testsuite/sim/or1k/ChangeLog: yyyy-mm-dd Stafford Horne <shorne@gmail.com> * fpu64a32.S: New file.
2019-01-01Update copyright year range in all GDB files.Joel Brobecker45-45/+45
This commit applies all changes made after running the gdb/copyright.py script. Note that one file was flagged by the script, due to an invalid copyright header (gdb/unittests/basic_string_view/element_access/char/empty.cc). As the file was copied from GCC's libstdc++-v3 testsuite, this commit leaves this file untouched for the time being; a patch to fix the header was sent to gcc-patches first. gdb/ChangeLog: Update copyright year range in all GDB files.
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