The dynamic section on MIPS is read-only, but this was not properly
handled in the runtime library. The segfault only occurred for programs
that linked to the shared libphobos library.
libphobos/ChangeLog:
PR d/98806
* libdruntime/gcc/sections/elf_shared.d (MIPS_Any): Declare version
for MIPS32 and MIPS64.
(getDependencies): Adjust dlpi_addr on MIPS_Any.
When libphobos is configured with --enable-cet, this adds extra fields
to the Fiber class to support the ucontext_t fallback implementation.
These fields get omitted when compiling user code unless they also used
`-fversion=CET' to build their project, which resulted in data being
overwritten from within swapcontext().
On reviewing the ucontext_t definitions, it was found that the shadow
stack fields were missing, and the struct size didn't match up on X32.
This has been fixed in upstream druntime and merged down here.
Reviewed-on: https://github.com/dlang/druntime/pull/3293
libphobos/ChangeLog:
PR d/98025
* Makefile.in: Regenerate.
* configure: Regenerate.
* configure.ac (DCFG_ENABLE_CET): Substitute.
* libdruntime/MERGE: Merge upstream druntime 0fe7974c.
* libdruntime/Makefile.in: Regenerate.
* libdruntime/core/thread.d: Import gcc.config.
(class Fiber): Add ucontext_t fields when GNU_Enable_CET is true.
* libdruntime/gcc/config.d.in (GNU_Enable_CET): Define.
* src/Makefile.in: Regenerate.
* testsuite/Makefile.in: Regenerate.
Adds support for FreeBSD/x86 53-bit precision reals, updates bindings
for FreeBSD 12.x, and removes all support code and tests for the
extern(Pascal) calling convention.
Reviewed-on: https://github.com/dlang/druntime/pull/3286https://github.com/dlang/druntime/pull/3287
libphobos/ChangeLog:
* libdruntime/MERGE: Merge upstream druntime d37ef985.
* libdruntime/Makefile.am (DRUNTIME_DSOURCES_FREEBSD): Add
core/sys/freebsd/config.d
* libdruntime/Makefile.in: Regenerate.
For the math intrinsics: cos, fabs, ldexp, rint, rndtol, and sin, new
overloads have been added to the core.math module for matching float and
double types. These have been implemented in the compiler.
A recent change to dump_function_to_file started triggering some
scan-tree-dump tests to FAIL, these have been adjusted as well when
updating the test.
gcc/d/ChangeLog:
* intrinsics.cc (maybe_expand_intrinsic): Handle new intrinsics.
* intrinsics.def (INTRINSIC_COS): Add float and double overloads.
(INTRINSIC_FABS): Likewise.
(INTRINSIC_LDEXP): Likewise.
(INTRINSIC_RINT): Likewise.
(INTRINSIC_RNDTOL): Likewise.
(INTRINSIC_SIN): Likewise.
(INTRINSIC_TOPREC): Adjust signature.
libphobos/ChangeLog:
* libdruntime/MERGE: Merge upstream druntime 5e4492c4.
gcc/testsuite/ChangeLog:
* gdc.dg/intrinsics.d: Adjust patterns in scan-tree-dump.
The allocation of mutex objects for synchronized statements has been
moved to the library as of merging druntime 58560d51. All support code
in the compiler for getting the OS critical section size has been
removed along with it.
Reviewed-on: https://github.com/dlang/dmd/pull/11902https://github.com/dlang/druntime/pull/3248
gcc/ChangeLog:
* config/aarch64/aarch64-linux.h (GNU_USER_TARGET_D_CRITSEC_SIZE):
Remove.
* config/glibc-d.c (glibc_d_critsec_size): Likewise.
(TARGET_D_CRITSEC_SIZE): Likewise.
* config/i386/linux-common.h (GNU_USER_TARGET_D_CRITSEC_SIZE):
Likewise.
* config/sol2-d.c (solaris_d_critsec_size): Likewise.
(TARGET_D_CRITSEC_SIZE): Likewise.
* doc/tm.texi.in (TARGET_D_CRITSEC_SIZE): Likewise.
* doc/tm.texi: Regenerate.
gcc/d/ChangeLog:
* dmd/MERGE: Merge upstream dmd bec5973b0.
* d-target.cc (Target::critsecsize): Remove.
* d-target.def: Remove d_critsec_size.
libphobos/ChangeLog:
* libdruntime/MERGE: Merge upstream druntime 58560d51.
Correct MIPS I assembly build errors in switchcontext.S:
.../libphobos/libdruntime/config/mips/switchcontext.S: Assembler messages:
.../libphobos/libdruntime/config/mips/switchcontext.S:50: Error: opcode not supported on this processor: mips1 (mips1) `sdc1 $f20,(0*8-((6*8+4+(-6*8+4&7))))($sp)'
etc., due to the use of the MIPS II LDC1 and SDC1 hardware instructions
for FP register load and store operations. Instead use the L.D and S.D
generic assembly instructions, which are strict aliases for the LDC1 and
SDC1 instructions respectively and produce identical machine code where
the assembly for the MIPS II or a higher ISA has been requested, however
they become assembly macros and expand to compatible sequences of LWC1
and SWC1 hardware instructions where the assembly for the MIPS I ISA is
in effect.
libphobos/
* libdruntime/config/mips/switchcontext.S [__mips_hard_float]:
Use L.D and S.D generic assembly instructions rather than LDC1
and SDC1 MIPS II hardware instructions.
The first implementation hit a front-end implementation bug where
version conditions are resolved ahead of static if confitions.
The logic for whether to use asm implemented fiber_switchContext or
libc's swapcontext has been moved from GNU_Enable_CET to version CET.
libphobos/ChangeLog:
PR d/95680
PR d/97007
* Makefile.am (AM_MAKEFLAGS): Remove $(CET_FLAGS).
* Makefile.in: Regenerate.
* configure: Regenerate.
* configure.ac (DCFG_ENABLE_CET): Remove substitution.
(CET_DFLAGS): Substitute.
* libdruntime/Makefile.am (AM_DFLAGS): Add $(CET_DFLAGS).
(AM_CFLAGS): Add $(CET_FLAGS).
(AM_CCASFLAGS): Likewise.
* libdruntime/Makefile.in: Regenerate.
* libdruntime/core/thread.d: Replace static if GNU_Enable_CET
condition with `version (CET)'.
* libdruntime/gcc/config.d.in (GNU_Enable_CET): Remove.
* src/Makefile.am (AM_DFLAGS): Add $(CET_DFLAGS).
(AM_CFLAGS): Add $(CET_FLAGS).
* src/Makefile.in: Regenerate.
* testsuite/Makefile.in: Regenerate.
* testsuite/testsuite_flags.in: Add $(CET_DFLAGS) to --gdcflags.
Include <cet.h> to generate the CET marker for -fcf-protection to avoid
/bin/ld: ../libdruntime/.libs/libgdruntime_convenience.a(libgdruntime_convenience_la-switchcontext.o): error: missing IBT and SHSTK properties
when -z cet-report=error is passed to the linker to create libgphobos.so
and libgdruntime.so.
PR d/95680
* libdruntime/config/x86/switchcontext.S: Include <cet.h> to
generate the CET marker for -fcf-protection.
Rather than implementing support within D runtime itself, use libc
getcontext/swapcontext functions if CET is enabled.
Removes whatever CET support was in the switchContext routine for x86
D runtime, along with setting version AsmExternal, so that the fallback
ucontext_t implementation is used, which is capable of doing shadow
stack handling.
libphobos/ChangeLog:
PR d/95680
* Makefile.in: Regenerate.
* configure: Regenerate.
* configure.ac (DCFG_ENABLE_CET): Substitute.
* libdruntime/Makefile.in: Regenerate.
* libdruntime/config/x86/switchcontext.S: Remove CET support code.
* libdruntime/core/thread.d: Import gcc.config. Don't set version
AsmExternal when GNU_Enable_CET is true.
* libdruntime/gcc/config.d.in (GNU_Enable_CET): Define.
* src/Makefile.in: Regenerate.
* testsuite/Makefile.in: Regenerate.
This is the default in the upstream reference compiler, and can reduce
some confusion when comparing warning/error messages of gdc and dmd side
by side.
Merges libphobos with upstream druntime d05ebaad and phobos 021ae0df7.
Reviewed-on: https://github.com/dlang/druntime/pull/3127https://github.com/dlang/phobos/pull/7521
gcc/d/ChangeLog:
* d-lang.cc (d_init_options): Turn on deprecation warnings by default.
libphobos/ChangeLog:
* libdruntime/MERGE: Merge upstream druntime d05ebaad.
* src/MERGE: Merge upstream phobos 021ae0df7.
* testsuite/libphobos.typeinfo/struct-align.d: Remove empty statement.
gcc/testsuite/ChangeLog:
* gdc.dg/asm1.d: Don't use deprecated asm syntax.
* gdc.dg/compilable.d: Add public to selective import.
* gdc.dg/lto/ltotests_0.d: Explicitly catch Throwable.
* gdc.dg/runnable.d: Remove empty statement.
- core.cpuid has been fixed to not use i7 detection on AMD processors.
- std.net.curl has been fixed to correctly handle HTTP/2 status lines.
- std.zip has had a test fixed to not rely on unzip being installed.
Fixes: PR d/95166
PR d/95167
PR d/95168
Reviewed-on: https://github.com/dlang/druntime/pull/3107https://github.com/dlang/phobos/pull/7486
When __CET__ is defined, <cet.h> should be included to add Intel CET
marker to object file and _CET_ENDBR should be placed at function entry
to indicate indirect branch target.
* libdruntime/config/x86/switchcontext.S: Include <cet.h> if
__CET__ is defined.
(_CET_ENDBR): New. Define if __CET__ is not defined.
(fiber_switchContext): Add _CET_ENDBR after .cfi_startproc.
Corrects a previous change made to the SPARC stdc bindings, and
backports PPC-related fixes. The library and language testsuite now
passes fully on powerpc64le-linux-gnu.
Fixes: PR d/90719
Fixes: PR d/94825
Reviewed-on: https://github.com/dlang/dmd/pull/11079https://github.com/dlang/druntime/pull/3078https://github.com/dlang/druntime/pull/3083
libphobos/ChangeLog:
PR d/94825
* libdruntime/Makefile.am (DRUNTIME_SOURCES_CONFIGURED): Remove
config/powerpc/switchcontext.S
* libdruntime/Makefile.in: Regenerate.
* libdruntime/config/powerpc/callwithstack.S: Remove.
* libdruntime/config/powerpc/switchcontext.S: Fix symbol name of
fiber_switchContext.
* libdruntime/core/thread.d: Disable fiber migration tests on PPC.
* testsuite/libphobos.thread/fiber_guard_page.d: Set guardPageSize
same as stackSize.
Multilibs should not have been split up as two logically different CPU,
so at configure time, powerpc64 was being detected, but none of the
32-bit support files were being compiled in.
libphobos/ChangeLog:
PR d/94825
* configure: Regenerate.
* libdruntime/Makefile.am (DRUNTIME_SOURCES_CONFIGURED): Add both
switchcontext.S and callwithstack.S if DRUNTIME_CPU_POWERPC.
* libdruntime/Makefile.in: Regenerate.
* libdruntime/config/powerpc/switchcontext.S: Add !__PPC64__ guards.
* libdruntime/config/powerpc64/callwithstack.S: Add __PPC64__ guards.
* m4/druntime/cpu.m4 (DRUNTIME_CPU_SOURCES): Define DRUNTIME_CPU_POWER
for all powerpc biarchs. Remove DRUNTIME_CPU_POWER64 conditional.
Adds a new test directive COMPILABLE_MATH_TEST, and support has been
added for it in gdc-convert-test so that they are skipped if phobos is
not present on the target.
Only change in D runtime is a small documentation fix.
Reviewed-on: https://github.com/dlang/druntime/pull/3067https://github.com/dlang/dmd/pull/11060
gcc/testsuite/ChangeLog:
PR d/89418
* lib/gdc-utils.exp (gdc-convert-test): Add dg-skip-if for compilable
tests that depend on the phobos standard library.
* New core.math.toPrec templates have been added as an intrinsic.
Some floating point algorithms, such as Kahan-Babuska-Neumaier
Summation, require rounding to specific precisions. Rounding to
precision after every operation, however, loses overall precision in
the general case and is a runtime performance problem.
Adding these functions guarantee the rounding at required points in
the code, and document where in the algorithm the requirement exists.
* Support IBM long double types in core.internal.convert.
* Add missing aliases for 64-bit vectors in core.simd.
* RUNNABLE_PHOBOS_TEST directive has been properly integrated into the
D2 language testsuite.
Reviewed-on: https://github.com/dlang/druntime/pull/3063https://github.com/dlang/dmd/pull/11054
gcc/d/ChangeLog:
* intrinsics.cc (expand_intrinsic_toprec): New function.
(maybe_expand_intrinsic): Handle toPrec intrinsics.
* intrinsics.def (TOPRECF, TOPREC, TOPRECL): Add toPrec intrinsics.
Always run testsuite with same GDCFLAGS as used in build.
libphobos/ChangeLog:
* Makefile.in: Regenerate.
* configure: Regenerate.
* configure.ac: Remove GDCFLAGSX.
* libdruntime/Makefile.in: Regenerate.
* src/Makefile.in: Regenerate.
* testsuite/Makefile.in: Regenerate.
* testsuite/testsuite_flags.in: Use GDCFLAGS in --gdcflags.
* testsuite/libphobos.thread/fiber_guard_page.d: Test using -O0.
Removes the implementation of __traits(argTypes), which only supported
x86_64 targets. The only use of this trait is an unused va_arg()
function, this has been removed as well.
Reviewed-on: https://github.com/dlang/dmd/pull/11022
gcc/d/ChangeLog:
2020-04-13 Iain Buclaw <ibuclaw@gdcproject.org>
* Make-lang.in (D_FRONTEND_OBJS): Remove d/argtypes.o.
* d-target.cc (Target::toArgTypes): New function.
libphobos/ChangeLog:
2020-04-13 Iain Buclaw <ibuclaw@gdcproject.org>
* libdruntime/core/stdc/stdarg.d: Remove run-time va_list template.
As a prerequesite for PR94304, it becomes easier to manage selectively
compiling sublibraries when there's only one library to link to.
So a druntime convenience library is built to be part of phobos, however
separate druntime library is still built and installed, to allow linking
only to the core runtime explicitly, rather than pulling in the entire
standard library with it.
The gdc driver no longer generates an '-lgdruntime' option, and the
inclusion of the libdruntime library path has been removed from the
testsuite.
gcc/d/ChangeLog:
* d-spec.cc (LIBDRUNTIME): Remove.
(LIBDRUNTIME_PROFILE): Remove.
(lang_specific_driver): Don't link in libgdruntime.
gcc/testsuite/ChangeLog:
* lib/gdc.exp (gdc_link_flags): Remove libdruntime library path.
libphobos/ChangeLog:
* d_rules.am (libdgruntime_la_LINK): Move to libdruntime/Makefile.am.
(libgphobos_la_LINK): Move to src/Makefile.am
* libdruntime/Makefile.am: Add libgdruntime_convenience library.
* libdruntime/Makefile.in: Regenerate.
* src/Makefile.am (libgphobos_la_LIBADD): Add libgdruntime_convenience
library.
(libgphobos_la_DEPENDENCIES): Likewise.
* src/Makefile.in: Regenerate.
* testsuite/lib/libphobos.exp: Remove libdruntime library paths.
* testsuite/testsuite_flags.in: Likewise.
This is yet another old option that would have been somewhat useful back
before the D front-end implementation was able to support compiling
without the Druntime library.
Now however, -fno-druntime makes the gcstub package redundant, so the
option has been removed, along with the package itself.
libphobos/ChangeLog:
* configure: Regenerate.
* libdruntime/Makefile.am (ALL_DRUNTIME_INSTALL_DSOURCES): Remove
DRUNTIME_DSOURCES_GC and DRUNTIME_DSOURCES_GCSTUB.
(DRUNTIME_DSOURCES): Add gc/*.d sources.
(DRUNTIME_DSOURCES_GC): Remove.
(DRUNTIME_DSOURCES_GCSTUB): Remove.
* libdruntime/Makefile.in: Regenerate.
* libdruntime/gcstub/gc.d: Remove.
* m4/druntime.m4 (DRUNTIME_GC): Remove.
As GDCFLAGS is overriden by the top-level make file with '-O2 -g',
libphobos ends up always being built with all contracts, invariants, and
asserts compiled in. This adds a new configurable that defaults to omit
compiling any run-time checks into the library using '-frelease'.
Other choices either set the flags '-fno-release', enabling all run-time
checks, or '-fassert', which only compiles in asserts.
The omission of compiling in contracts results in a smaller library
size, with faster build times.
libphobos/ChangeLog:
PR d/94305
* Makefile.in: Regenerate.
* configure: Regenerate.
* configure.ac: Add --enable-libphobos-checking and substitute
CHECKING_DFLAGS. Remove -frelease from GDCFLAGS.
* libdruntime/Makefile.am: Add CHECKING_DFLAGS to AM_DFLAGS.
* libdruntime/Makefile.in: Regenerate.
* src/Makefile.am: Add CHECKING_DFLAGS to AM_DFLAGS.
* src/Makefile.in: Regenerate.
* testsuite/Makefile.in: Regenerate.
* testsuite/testsuite_flags.in: Add -fno-release -funittest to
--gdcflags.
This option is not useful on its own as all posix modules require the
compiler to predefine version(Posix) anyway. So the option has been
removed, and logic moved into DRUNTIME_OS_SOURCES, where the conditional
DRUNTIME_OS_POSIX is set instead.
libphobos/ChangeLog:
* configure: Regenerate.
* configure.ac: Remove DRUNTIME_OS_UNIX.
* libdruntime/Makefile.am: Add DRUNTIME_DSOURCES_POSIX if
DRUNTIME_OS_POSIX is true.
* libdruntime/Makefile.in: Regenerate.
* m4/druntime/os.m4 (DRUNTIME_OS_UNIX): Remove, move AM_CONDITIONAL
logic to...
(DRUNTIME_OS_SOURCES): ...here. Rename conditional to
DRUNTIME_OS_POSIX.
This moves WARN_DFLAGS from GDCFLAGS to AM_DFLAGS so it is always
included in the build and testsuite of libphobos. Currently, this
doesn't happen as GDCFLAGS is overriden by it being set at the
top-level.
libphobos/ChangeLog:
* Makefile.in: Regenerate.
* configure: Regenerate.
* configure.ac: Substite WARN_DFLAGS independently of GDCFLAGS.
* libdruntime/Makefile.am: Add WARN_DFLAGS to AM_DFLAGS.
* libdruntime/Makefile.in: Regenerate.
* src/Makefile.am: Add WARN_DFLAGS to AM_DFLAGS.
* src/Makefile.in: Regenerate.
* testsuite/Makefile.in: Regenerate.
* testsuite/testsuite_flags.in: Add WARN_DFLAGS to --gdcflags.
Improves the versioning of IeeeFlags and FloatingPointControl code and
unit-tests, making it clearer which targets can and cannot support it.
Reviewed-on: https://github.com/dlang/phobos/pull/7435
With this patch we get rid of the usage of the glibc-internal symbol
__tls_get_addr_internal.
If build with multilib, the file
gcc/libphobos/libdruntime/config/systemz/get_tls_offset.S is used
for both configurations: systemz and s390.
Therefore both implementations are now in the systemz file which
uses an "#ifdef __s390x__" in order to distinguish both cases.
The s390 file is just including the systemz one.
libphobos/ChangeLog:
2020-04-07 Robin Dapp <rdapp@linux.ibm.com>
Stefan Liebler <stli@linux.ibm.com>
* configure: Regenerate.
* libdruntime/Makefile.am: Add s390x and s390.
* libdruntime/Makefile.in: Regenerate.
* libdruntime/config/s390/get_tls_offset.S: New file.
* libdruntime/config/systemz/get_tls_offset.S: New file.
* libdruntime/gcc/sections/elf_shared.d: Use ibmz_get_tls_offset.
* m4/druntime/cpu.m4: Add s390x and s390.
The ordering of some fields in struct sigaction on s390x (64bit)
differs compared to s390 and other architectures.
This patch adjusts this order according to the definition of
<glibc-src>/sysdeps/unix/sysv/linux/s390/bits/sigaction.h
Without this fix e.g. the call
sigaction( suspendSignalNumber, &sigusr1, null ) in thread.d
leads to setting the sa_restorer field to 0xffffffffffffffff.
In case a signal, the signal handler returns to this address
and the process stops with a SIGILL.
This was observable in several execution testcases on s390x:
libphobos.druntime/core/thread.d
libphobos.druntime_shared/core/thread.d
libphobos.thread/tlsgc_sections.d
libphobos.allocations/tls_gc_integration.d
libphobos.phobos/std/parallelism.d
libphobos.phobos_shared/std/parallelism.d
libphobos.shared/host.c
libphobos.shared/linkD.c
libphobos.shared/linkDR.c
libphobos.shared/link_linkdep.d
libphobos.shared/load.d
libphobos.shared/loadDR.c
libphobos.shared/load_linkdep.d
libphobos.shared/load_loaddep.d
libphobos/ChangeLog:
2020-04-07 Stefan Liebler <stli@linux.ibm.com>
* libdruntime/core/sys/posix/signal.d:
Add struct sigaction_t for SystemZ.
Fixes bug where foreach(int) doesn't work on BigEndian targets by
deprecating the use of index types smaller than a size_t/ptrdiff_t.
Reviewed-on: https://github.com/dlang/dmd/pull/10009
From-SVN: r272350
The monolithic core/threadasm.S source has been removed, and split into
multiple parts, one for each intended target CPU/OS.
Added .type and .size directives for all asm implementations of
fiber_switchContent and callWithStackShell where they were missing.
libphobos/ChangeLog:
2019-04-25 Iain Buclaw <ibuclaw@gdcproject.org>
PR d/90086
* m4/druntime/cpu.m4 (DRUNTIME_CPU_SOURCES): New macro.
* configure.ac: Use it.
* configure: Regenerate.
* libdruntime/Makefile.am: Add new config sources to
DRUNTIME_SOURCES_CONFIGURED.
* libdruntime/Makefile.in: Regenerate.
* libdruntime/config/aarch64/switchcontext.S: New file.
* libdruntime/config/arm/switchcontext.S: New file.
* libdruntime/config/common/threadasm.S: New file.
* libdruntime/config/mingw/switchcontext.S: New file.
* libdruntime/config/mips/switchcontext.S: New file.
* libdruntime/config/powerpc/switchcontext.S: New file.
* libdruntime/config/powerpc64/callwithstack.S: New file.
* libdruntime/config/x86/switchcontext.S: New file.
* libdruntime/core/threadasm.S: Remove.
From-SVN: r270560
gcc/d/ChangeLog:
2019-04-23 Iain Buclaw <ibuclaw@gdcproject.org>
Robin Dapp <rdapp@linux.ibm.com>
* typeinfo.cc (create_typeinfo): Write typeinfo flags as uint.
gcc/testsuite/ChangeLog:
2019-04-23 Iain Buclaw <ibuclaw@gdcproject.org>
Robin Dapp <rdapp@linux.ibm.com>
* gdc.dg/link.d: Test if target d_runtime.
* gdc.dg/runnable.d: Fix tests to work on BigEndian.
* gdc.dg/simd.d: Likewise.
libphobos/ChangeLog:
2019-04-23 Iain Buclaw <ibuclaw@gdcproject.org>
Robin Dapp <rdapp@linux.ibm.com>
* configure.tgt: Add s390*-linux* as a supported target.
* libdruntime/gcc/sections/elf_shared.d: import gcc.builtins.
(__tls_get_addr_internal): Declare.
(TLS_DTV_OFFSET): Define as zero on SystemZ.
(getTLSRange): Support getting TLS on SystemZ.
* testsuite/libphobos.typeinfo/struct-align.d: New test.
Co-Authored-By: Robin Dapp <rdapp@linux.ibm.com>
From-SVN: r270523
