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ChangeLog
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2024-08-25 Bruno Haible <[email protected]>
Fix the support for Linux/ia64.
In avcall, the l_l6J and l_l4K tests were failing.
* avcall/avcall-ia64.c (avcall_call): Remove argframe variable. Don't
make side effects on sp = r12. Instead, force the compiler to build a
stack frame for up to 256 arguments.
* NEWS: Mention the fix.
2024-08-24 Bruno Haible <[email protected]>
Fix shared library support in 32-bit mode on FreeBSD/powerpc64.
* libtool-patches/libtool-freebsd-biarch.diff: New file, from
<https://savannah.gnu.org/patch/index.php?10469>.
* libtool-patches/README: Mention it.
* Makefile.maint (libtool-imported-files): Apply it.
2024-08-23 Bruno Haible <[email protected]>
Add support for FreeBSD 14/powerpc64.
This is the first big-endian powerpc64-ELFv2 platform.
* avcall/avcall-powerpc64.c (avcall_call): Add big-endian variant of the
small-struct return handling code.
* vacall/vacall-powerpc64.c (vacall_receiver): Likewise.
* avcall/Makefile.devel (avcall-powerpc64-elfv2-linux.S): Include the
code for both little-endian and big-endian platforms.
* vacall/Makefile.devel (vacall-powerpc64-elfv2-linux.S): Likewise.
* callback/vacall_r/Makefile.devel (vacall-powerpc64-elfv2-linux.S):
Likewise.
* NEWS: Mention the new port.
2024-08-23 Bruno Haible <[email protected]>
Add support for FreeBSD 14/powerpc64le.
FreeBSD 14 breaks the long-standing convention that, on powerpc64,
_BIG_ENDIAN is defined on big-endian machines only and _LITTLE_ENDIAN
is defined on little-endian machines only.
* avcall/avcall-internal.h: On powerpc64, test __BIG_ENDIAN__ or
__LITTLE_ENDIAN__, not _BIG_ENDIAN or _LITTLE_ENDIAN, as FreeBSD 14
breaks the latter.
* vacall/vacall-internal.h: Likewise.
* NEWS: Mention the new port.
2024-08-21 Bruno Haible <[email protected]>
Add support for FreeBSD/powerpc and NetBSD/powerpc.
* avcall/avcall-powerpc.c (avcall_call): Add support for structs
returned in registers, of size 3, 5..7. Code copied from avcall-hppa.c.
* avcall/avcall-internal.h (__av_reg_struct_return): Define differently
for FreeBSD/powerpc and NetBSD/powerpc.
* avcall/avcall.h (__AV_STRUCT_RETURN): Include the
__AV_SMALL_STRUCT_RETURN flag on FreeBSD/powerpc and NetBSD/powerpc.
* vacall/vacall-powerpc.c (vacall_receiver): Add support for structs
returned in registers, of size 3, 5..7. Code copied from vacall-hppa.c.
* vacall/vacall-internal.h (__va_reg_struct_return): Define differently
for FreeBSD/powerpc and NetBSD/powerpc.
* vacall/vacall.h (__VA_STRUCT_RETURN): Include the
__VA_SMALL_STRUCT_RETURN flag on FreeBSD/powerpc and NetBSD/powerpc.
* callback/vacall_r/vacall_r.h: Likewise.
* NEWS: Mention the new ports.
2024-08-21 Bruno Haible <[email protected]>
Add support for Linux/riscv64 with musl libc.
* trampoline/trampoline.c (__riscv_flush_icache): New declaration.
* callback/trampoline_r/trampoline.c: Likewise.
* NEWS: Mention the new port.
2024-08-20 Bruno Haible <[email protected]>
Fix support for older Linux versions (regression 2024-08-18).
* trampoline/trampoline.c (is_usable_mount): Skip f_flags test if
'struct statfs' does not have this field.
* callback/trampoline_r/trampoline.c: Likewise.
2024-08-20 Bruno Haible <[email protected]>
Fix support for FreeBSD 12/arm, broken by last commit.
* m4/cc-gcc.m4 (CL_CC_GCC): Revert last change.
* cross-tools/cross.conf (arm): Add cross-compiler for
arm-linux-gnueabi.
* configure.ac: If HOST_CPU_C_ABI is arm or armhf, add a '-old' or
'-eabi' suffix.
* avcall/avcall-arm.c (avcall_call): With GCC >= 4, use __builtin_alloca
to reserve room for the stack frame.
* avcall/avcall-armhf.c (avcall_call): Remove redundant stack pointer
alignment.
* avcall/Makefile.devel (avcall-arm-old-macro.S): Renamed from
avcall-arm-macro.S.
(avcall-arm-eabi-macro.S): New rule.
(avcall-armhf-eabi-macro.S): Renamed from avcall-armhf-macro.S. Use
gcc 6.5 option -masm-syntax-unified.
* avcall/Makefile.in (avcall-arm-old.lo): Renamed from avcall-arm.lo.
(avcall-arm-old.s): Renamed from avcall-arm.s.
(avcall-arm-eabi.lo, avcall-arm-eabi.s): New rules.
(avcall-armhf-eabi.lo): Renamed from avcall-armhf.lo.
(avcall-armhf-eabi.s): Renamed from avcall-armhf.s.
(clean, SOURCE_FILES): Update.
* vacall/Makefile.devel (vacall-arm-old-linux.s): Renamed from
vacall-arm-linux.s.
(vacall-arm-old-linux-pic.s): Renamed from vacall-arm-linux-pic.s.
(vacall-arm-old-macro.S): Renamed from vacall-arm-macro.S.
(vacall-arm-eabi-linux.s, vacall-arm-eabi-linux-pic.s,
vacall-arm-eabi-macro.S): New rules.
(vacall-armhf-eabi-linux.s): Renamed from vacall-armhf-linux.s. Use
gcc 6.5 option -masm-syntax-unified.
(vacall-armhf-eabi-linux-pic.s): Renamed from vacall-armhf-linux-pic.s.
Use gcc 6.5 option -masm-syntax-unified.
(vacall-armhf-eabi-macro.S): Renamed from vacall-armhf-macro.S.
* vacall/Makefile.in (vacall-arm-old.@OBJEXT@): Renamed from
vacall-arm.@OBJEXT@.
(vacall-arm-old.s): Renamed from vacall-arm.s.
(vacall-arm-eabi.@OBJEXT@, vacall-arm-eabi.s): New rules.
(vacall-armhf-eabi.@OBJEXT@): Renamed from vacall-armhf.@OBJEXT@.
(vacall-armhf-eabi.s): Renamed from vacall-armhf.s.
(clean, SOURCE_FILES): Update.
* callback/vacall_r/Makefile.devel (vacall-arm-old-macro.S): Renamed
from vacall-arm-macro.S.
(vacall-arm-eabi-macro.S): New rule.
(vacall-armhf-eabi-macro.S): Renamed from vacall-armhf-macro.S. Use
gcc 6.5 option -masm-syntax-unified.
* callback/vacall_r/Makefile.in (vacall-arm-old.lo): Renamed from
vacall-arm.lo.
(vacall-arm-old.s): Renamed from vacall-arm.s.
(vacall-arm-eabi.lo, vacall-arm-eabi.s): New rules.
(vacall-armhf-eabi.lo): Renamed from vacall-armhf.lo.
(vacall-armhf-eabi.s): Renamed from vacall-armhf.s.
(clean, SOURCE_FILES): Update.
Add support for Android.
* m4/cc-gcc.m4 (CL_CC_GCC): If using clang as compiler, add the option
-no-integrated-as to GCC_X_NONE.
* NEWS: Mention Android as supported.
2024-08-19 Bruno Haible <[email protected]>
trampoline: Fix portability problems to Android API levels < 30.
* m4/codeexec.m4 (FFCALL_CODEEXEC): Test whether mmap()+mprotect works,
independently of the result of whether malloc()+mprotect works. Test
whether memfd_create exists at the given API level, before trying to use
it.
* trampoline/trampoline.c: On Android, prefer mmap()+mprotect to the
temp file location approach.
* callback/trampoline_r/trampoline.c: Likewise.
2024-08-19 Bruno Haible <[email protected]>
trampoline: Fix portability problems to Android API levels < 26.
* configure.ac: Test for setmntent.
* trampoline/trampoline.c: On Android, test HAVE_SETMNTENT, since
API levels < 21 don't have the necessary functions.
* callback/trampoline_r/trampoline.c: Likewise.
* Makefile.maint (GNULIB_MODULES): Add hasmntopt.
2024-08-18 Bruno Haible <[email protected]>
trampoline: Try harder to find a temp file location on Linux, OpenBSD.
Reported by Simon Dales <[email protected]> on 2018-02-26.
* trampoline/trampoline.c: Include <sys/statfs.h>, <sys/statvfs.h>,
<mntent.h> or <sys/mount.h>.
(is_usable_mount, is_usable_mntent, local_rwx_tmp_dir): New functions.
(for_mmap_init) [EXECUTABLE_VIA_MMAP_SHARED_POSIX]: Use
local_rwx_tmp_dir.
* callback/trampoline_r/trampoline.c: Likewise.
2024-08-18 Bruno Haible <[email protected]>
trampoline: Use anonymous memory also on NetBSD.
* m4/codeexec.m4 (FFCALL_CODEEXEC): Add a test that may define
HAVE_MMAP_SHARED_NETBSD_CAN_EXEC.
* trampoline/trampoline.c (EXECUTABLE_VIA_MMAP_SHARED_NETBSD): New
macro.
(alloc_trampoline): Add alternative code for
EXECUTABLE_VIA_MMAP_SHARED_NETBSD.
* callback/trampoline_r/trampoline.c: Likewise.
* NEWS: Mention the improvement.
2024-08-18 Bruno Haible <[email protected]>
trampoline: More reliable autoconfiguration on Linux, FreeBSD, NetBSD.
* m4/codeexec.m4 (FFCALL_CODEEXEC): On Linux, FreeBSD, NetBSD, make the
results of HAVE_MPROTECT_AFTER_MALLOC_CAN_EXEC and
HAVE_MPROTECT_AFTER_MMAP_CAN_EXEC only dependent on the OS, independent
of configurable security policies.
2024-08-17 Bruno Haible <[email protected]>
trampoline: Work around failing mmap call on macOS 14,
and use memfd_create on Linux and FreeBSD.
Reported by Lorenzo Daneo <[email protected]> at
<https://lists.gnu.org/archive/html/libffcall/2024-08/msg00007.html>.
* m4/codeexec.m4 (FFCALL_CODEEXEC): Rename HAVE_MMAP_SHARED_CAN_EXEC to
HAVE_MMAP_SHARED_POSIX_CAN_EXEC.
Add a test that may define HAVE_MMAP_SHARED_MACOS_CAN_EXEC.
Add a test that may define HAVE_MMAP_SHARED_MEMFD_CAN_EXEC.
* trampoline/trampoline.c: Test HAVE_MMAP_SHARED_POSIX_CAN_EXEC instead
of HAVE_MMAP_SHARED_CAN_EXEC.
(EXECUTABLE_VIA_MMAP_SHARED_POSIX): Renamed from
EXECUTABLE_VIA_MMAP_FILE_SHARED.
(EXECUTABLE_VIA_MMAP_SHARED_MACOS, EXECUTABLE_VIA_MMAP_SHARED_MEMFD):
New macros.
(mach_vm_remap) [EXECUTABLE_VIA_MMAP_SHARED_MACOS]: New declaration.
(for_mmap_init): Add an alternative implementation for
EXECUTABLE_VIA_MMAP_SHARED_MEMFD.
(alloc_trampoline): Add alternative code for
EXECUTABLE_VIA_MMAP_SHARED_MACOS.
* callback/trampoline_r/trampoline.c: Likewise.
* NEWS: Mention the improvements.
2024-07-12 Bruno Haible <[email protected]>
Switch to autoconf 2.72, automake 1.17.
* configure.ac: Remove AC_PROG_GCC_TRADITIONAL invocation.
* autogen.sh: Update comments.
2024-04-04 Bruno Haible <[email protected]>
Fix macro file 'serial' numbers for 'aclocal --install'.
* m4/endianness.m4: Make 'serial' effective.
2023-09-18 Bruno Haible <[email protected]>
Fix shared library support on Android.
* libtool-patches/libtool-android.diff: New file, from
<https://savannah.gnu.org/patch/index.php?10393>.
* libtool-patches/README: Mention it.
* Makefile.maint (libtool-imported-files): Apply it.
2023-08-30 Bruno Haible <[email protected]>
Recognize the *-*-windows* config triplets introduced on 2023-06-26.
* m4/codeexec.m4 (FFCALL_CODEEXEC): Treat windows* as equivalent to
mingw*.
2023-06-29 Bruno Haible <[email protected]>
Update the installation instructions for Windows.
* INSTALL.windows: Add a note about MSYS2.
2023-05-21 Bruno Haible <[email protected]>
Support creating shared libraries on Hurd/x86_64.
* libtool-patches/libtool-hurd-64.diff: New file, from
https://lists.gnu.org/archive/html/bug-hurd/2023-05/msg00086.html.
* libtool-patches/README: Mention it.
* Makefile.maint (libtool-imported-files): Apply it.
2023-02-26 Bruno Haible <[email protected]>
Modernize handling of m4 macro dirs.
Suggested by Sébastien Villemot <[email protected]>.
* configure.ac (AC_CONFIG_MACRO_DIRS): Specify the m4 macro dirs here.
* Makefile.maint (aclocal.m4): ... not here.
* autogen.sh: Update comments.
2023-02-09 Bruno Haible <[email protected]>
Fix compilation error with ISO C 23 compliant compilers.
Note: The parameter list (...) was introduced in C23, for compatibility
with C++. See ISO C 23 § 6.7.6.(1) definition of parameter-type-list and
<https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2975.pdf>.
* trampoline/trampoline.h (trampoline_function_t): For ISO C23, use the
same syntax as for C++.
* callback/trampoline_r/trampoline_r.h (__TR_function): Likewise.
* callback/trampoline_r/test1.c (function): Likewise.
* callback/trampoline_r/test2.c (function): Likewise.
* callback/callback.h (callback_t): Likewise.
2022-07-18 Bruno Haible <[email protected]>
Make autopull.sh more suited for continuous integration.
* autopull.sh: Support option --one-time.
2022-07-18 Bruno Haible <[email protected]>
Move gnulib-tool invocation back from autopull.sh to autogen.sh.
* autogen.sh: Revert last change regarding gnulib. Improve comments.
* autopull.sh: Only call 'gitsub.sh pull' and fetch libtool.
2022-07-17 Bruno Haible <[email protected]>
Split autogen.sh into autopull.sh and autogen.sh.
* autopull.sh: New file, based on autogen.sh.
* autogen.sh: Remove code that was moved to autopull.sh. Remove
--skip-gnulib option.
* Makefile.in (SOURCE_FILES): Add README-hacking, autogen.sh.
* README-hacking: Mention autopull.sh.
2022-05-22 Bruno Haible <[email protected]>
Add GNU Project notice.
* JOIN-GNU: New file. Inspired by a suggestion from José E. Marchesi
on the gnu-prog-discuss mailing list.
* README: Refer to it.
* Makefile.in (SOURCE_FILES): Add it.
2022-05-15 Bruno Haible <[email protected]>
Switch to libtool 2.4.7.
* autogen.sh (LIBTOOL_VERSION): Set to 2.4.7.
* libtool-patches/libtool-midnightbsd-fix.diff: Remove file.
* libtool-patches/README: Don't mention it.
* Makefile.maint (libtool-imported-files): Don't apply it.
2022-05-08 Bruno Haible <[email protected]>
loongarch: Use the now-released GCC 12.
* cross-tools/cross-build.sh: Fix typo in comment.
(func_build_zstd): New function.
(func_build_gcc): For GCC versions ≥ 12, build also zstd.
* cross-tools/patches/gcc-12.1.0.patch: New file.
* cross-tools/cross.conf (loongarch64): Use GCC 12.1.0.
* avcall/Makefile.devel (avcall-loongarch64-linux.s): Force the use of
GCC 12.1.0.
* vacall/Makefile.devel (vacall-loongarch64-linux.s): Likewise.
* callback/vacall_r/Makefile.devel (vacall-loongarch64-linux.s):
Likewise.
* trampoline/Makefile.devel (proto-loongarch64.s): Likewise.
* callback/trampoline_r/Makefile.devel (proto-loongarch64.s): Likewise.
* trampoline/proto-loongarch64.s: Regenerated.
* callback/trampoline_r/proto-loongarch64.s: Regenerated.
2022-05-08 Bruno Haible <[email protected]>
riscv32: Add support for Linux/riscv32 with PIE-enabled GCC.
* vacall/Makefile.devel (vacall-riscv32-ilp32d-linux-pic.s): New target.
(vacall-riscv32-ilp32d-macro.S): Include code for the PIC and the
non-PIC case.
* vacall/Makefile.in (SOURCE_FILES): Add
vacall-riscv32-ilp32d-linux-pic.s.
2022-05-08 Bruno Haible <[email protected]>
riscv64: Add support for Linux/riscv64 with PIE-enabled GCC.
Reported by Raymond Wong <[email protected]> at
<https://savannah.gnu.org/bugs/?62422>.
* vacall/Makefile.devel (vacall-riscv64-lp64d-linux-pic.s): New target.
(vacall-riscv64-lp64d-macro.S): Include code for the PIC and the non-PIC
case.
* vacall/Makefile.in (SOURCE_FILES): Add
vacall-riscv64-lp64d-linux-pic.s.
2022-02-12 Bruno Haible <[email protected]>
loongarch: Fix gcc installation.
* cross-tools/cross.conf (loongarch64): Change gcc version to match what
it actually reports.
2022-02-12 Bruno Haible <[email protected]>
Fix cross-tools build.
* cross-tools/cross-build.sh (func_build_gcc): Set LD_LIBRARY_PATH, so
that libisl.so.15 gets found during installation.
2022-02-12 Bruno Haible <[email protected]>
loongarch: Allow for continuous integration.
* cross-tools/cross-build.sh (func_build_gcc): Download fork tarball
from alpha.gnu.org. Adjust installation completeness test.
* cross-tools/cross.conf (loongarch64): Use binutils 2.38.
2022-01-16 Bruno Haible <[email protected]>
loongarch: Add support for loongarch64 ABI.
* cross-tools/cross-build.sh (func_build_binutils): Add support for
newer binutils snapshots.
(func_build_gcc): Add support for GCC 10 and newer.
* cross-tools/cross.conf: Add configuration for loongarch64 cross tools.
* porting-tools/abis/call-used-registers.txt: Add info about
loongarch64.
* porting-tools/abis/reg-struct-return.txt: Likewise.
* porting-tools/abis/stack-frame.txt: Likewise. Some more tweaks.
* porting-tools/execstack/voidfunc.c: Add command for loongarch64.
* porting-tools/execstack/voidfunc-loongarch64.o: New generated file.
* porting-tools/execstack/main.c (voidfunc): Define also for loongarch.
* porting-tools/execstack/README: Add info about loongarch64.
* ffcall-abi.h: Add support for loongarch64-lp64.
* common/asm-loongarch.sh: New file.
* Makefile.in (SOURCE_FILES): Add it.
* avcall/avcall.h (__AV_STRUCT_RETURN, __AV_REGISTER_STRUCT_RETURN): Add
code for __loongarch64__.
* avcall/avcall-alist.h (__av_alist): Likewise.
* avcall/avcall-internal.h: Add code for __loongarch64__, especially
__av_start1, __av_reg_struct_return, __av_start_struct4, __av_word,
__av_long, __av_ulong, __av_ptr, __av_longlong, __av_ulonglong,
_av_float, _av_double, __av_struct.
* avcall/avcall-loongarch64.c: New file, based on
avcall/avcall-riscv64.c.
* avcall/Makefile.devel (avcall-loongarch64-linux.s,
avcall-loongarch64-macro.S): New targets.
* avcall/Makefile.in (avcall-loongarch64.lo, avcall-loongarch64.s): New
targets.
(clean): Remove avcall-loongarch64.s.
(SOURCE_FILES): Add avcall-loongarch64.c, avcall-loongarch64-linux.s,
avcall-loongarch64-macro.S.
* vacall/vacall.h (__VA_STRUCT_RETURN, __VA_REGISTER_STRUCT_RETURN): Add
code for __loongarch64__.
* vacall/vacall-internal.h: Add code for __loongarch64__, especially
__va_alist, __va_reg_struct_return, __va_start_struct2,
__va_arg_leftadjusted, __va_arg_adjusted, _va_arg_longlong,
_va_arg_ulonglong, __va_align_double, _va_arg_float, _va_arg_double,
__va_arg_struct, _va_return_longlong.
* vacall/vacall-loongarch64.c: New file, based on
vacall/vacall-riscv64.c.
* vacall/Makefile.devel (vacall-loongarch64-linux.s,
vacall-loongarch64-macro.S): New targets.
* vacall/Makefile.in (vacall-loongarch64.@OBJEXT@,
vacall-loongarch64.s): New targets.
(clean): Remove vacall-loongarch64.s.
(SOURCE_FILES): Add vacall-loongarch64.c, vacall-loongarch64-linux.s,
vacall-loongarch64-macro.S.
* callback/vacall_r/vacall_r.h (__VA_STRUCT_RETURN,
__VA_REGISTER_STRUCT_RETURN): Add code for __loongarch64__.
* callback/vacall_r/Makefile.devel (vacall-loongarch64-linux.s,
vacall-loongarch64-macro.S): New targets.
* callback/vacall_r/Makefile.in (vacall-loongarch64.lo,
vacall-loongarch64.s): New targets.
(clean): Remove vacall-loongarch64.s.
(SOURCE_FILES): Add vacall-loongarch64-linux.s,
vacall-loongarch64-macro.S.
* trampoline/Makefile.devel (proto-loongarch64.s, tramp-loongarch64.o):
New targets.
* trampoline/proto-loongarch64.s: New generated file.
* trampoline/tramp-loongarch64.s: New file.
* trampoline/tramp-loongarch64.o: New generated file.
* trampoline/trampoline.c: Implement for __loongarch64__.
* callback/trampoline_r/Makefile.devel (proto-loongarch64.s,
tramp-loongarch64.o): New targets.
* callback/trampoline_r/proto64.c: Add code for __loongarch64__.
* callback/trampoline_r/proto-loongarch64.s: New generated file.
* callback/trampoline_r/tramp-loongarch64.s: New file.
* callback/trampoline_r/tramp-loongarch64.o: New generated file.
* callback/trampoline_r/trampoline.c: Implement for __loongarch64__.
* callback/trampoline_r/test1.c: Add support for __loongarch64__.
* PLATFORMS, */PLATFORMS: List the 64-bit LoongArch ABI.
* NEWS: Mention the new port.
2022-01-16 Bruno Haible <[email protected]>
Simplify.
* callback/vacall_r/Makefile.in (vacall-alpha.s, vacall-powerpc.s,
vacall-s390.lo, vacall-s390x.s, vacall-riscv32-ilp32d.s,
vacall-riscv64-lp64d.s): Don't use -I options during preprocessing.
2021-06-26 Bruno Haible <[email protected]>
x86_64: Create a read-only .eh_frame section on all platforms.
Reported by Thomas Klausner <[email protected]> at
<https://savannah.gnu.org/bugs/?60815>.
* common/asm-x86_64.h (EH_FRAME_SECTION): Use flags "a" (instead of
"aw") on all platforms.
2021-06-13 Bruno Haible <[email protected]>
maint: Don't require an internet connection for running autogen.sh.
* libtool-patches: New directory.
* Makefile.maint (libtool-imported-files): Don't call wget. Take the
patches from libtool-patches/ instead.
2021-06-13 Bruno Haible <[email protected]>
Prepare for 2.4 release.
* VERSION: Set to 2.4.
2021-06-13 Bruno Haible <[email protected]>
Bump shared library version numbers.
* Makefile.in (LIBFFCALL_VERSION_INFO): Bump to 1:0:1.
* avcall/Makefile.in (LIBAVCALL_VERSION_INFO): Bump to 2:0:1.
* callback/Makefile.in (LIBCALLBACK_VERSION_INFO): Bump to 1:4:0.
2021-06-13 Bruno Haible <[email protected]>
Port to Solaris 11/SPARC 32-bit.
* avcall/avcall-sparc.c (avcall_call): Use preallocated trampolines
instead of generating a trampoline on the stack, because the stack is
not executable on Solaris 11.
* avcall/Makefile.devel (avcall-sparc-solaris.s,
avcall-sparc-solaris-macro.S): New rules.
* avcall/Makefile.in (SOURCE_FILES): Add avcall-sparc-solaris.s,
avcall-sparc-solaris-macro.S.
(avcall-sparc.s): Use a different input file on Solaris.
* NEWS: Mention the new port.
2021-06-13 Bruno Haible <[email protected]>
Fix build error on FreeBSD 12/arm.
* common/asm-arm.sh: Eliminate '.syntax divided' pseudo-ops.
* NEWS: Mention the new port.
2021-06-13 Bruno Haible <[email protected]>
Fix build error on 64-bit MSVC, due to newer libtool.
* avcall/Makefile.in (avcall-x86_64.lo) [IF_MSVC]: Use ml64 directly,
without invoking libtool.
* callback/vacall_r/Makefile.in (vacall-x86_64.lo) [IF_MSVC]: Likewise.
2021-06-12 Bruno Haible <[email protected]>
Finish port to macOS 11/arm64.
* PLATFORMS, */PLATFORMS: Mention the macOS 11/arm64 port.
* NEWS: Mention it as attained in release 2.4, not 2.3.
2021-06-12 Bruno Haible <[email protected]>
vacall: Fix regression on Linux/arm64.
* common/asm-arm64.h: Fix mistake.
2021-06-12 Bruno Haible <[email protected]>
vacall, callback: Add support for macOS 11/arm64.
* vacall/vacall.h (__varword): Define differently on macOS 11/arm64.
* callback/vacall_r/vacall_r.h (__varword): Likewise.
* vacall/vacall-internal.h (_va_arg_double): Update to allow for
sizeof(__vaword) < sizeof(double).
(__va_arg_struct): Compare type size with 2*sizeof(__varword).
* vacall/Makefile.devel (vacall-arm64-macos-macro.S): New rule.
* vacall/Makefile.in (SOURCE_FILES): Add vacall-arm64-macos-macro.S.
(vacall-arm64.s): Use a different input file on macOS.
* callback/vacall_r/Makefile.devel (vacall-arm64-macos-macro.S): New
rule.
* callback/vacall_r/Makefile.in (SOURCE_FILES): Add
vacall-arm64-macos-macro.S.
(vacall-arm64.s): Use a different input file on macOS.
2021-06-12 Bruno Haible <[email protected]>
vacall, callback: Distinguish a register word from a stack word.
* vacall/vacall.h (__varword): New type.
* callback/vacall_r/vacall_r.h (__varword): Likewise.
* vacall/vacall-alist.h: Use it as as element type of iarg[].
* vacall/vacall-internal.h: Use it when assigning to an iargs[] element.
* vacall/vacall-*.c: Use it for integer register variables.
2021-06-12 Bruno Haible <[email protected]>
avcall: Add support for macOS 11/arm64.
* avcall/avcall-arm64.c: Update comment regarding stack words.
* avcall/avcall.h (__avword): Define differently on macOS 11/arm64.
* avcall/avcall-internal.h (__av_long, __av_ulong, __av_ptr): Define
differently on macOS 11/arm64.
(_av_double): Update to allow for sizeof(__avword) < sizeof(double).
(__av_struct): Update to allow for sizeof(__avword) < sizeof(void*).
* avcall/Makefile.devel (avcall-arm64-macos-macro.S): New rule.
* avcall/Makefile.in (SOURCE_FILES): Add avcall-arm64-macos-macro.S.
(avcall-arm64.s): Use a different input file on macOS.
2021-06-12 Bruno Haible <[email protected]>
avcall: Distinguish a register word from a stack word.
* avcall/avcall.h (__avrword): New type.
(avcall_start, av_start_struct): Use it as return type of func.
* avcall/avcall-libapi.c (avcall_start, av_start_struct): Likewise.
* avcall/avcall-alist.h: Use it as return type of func and as element
type of iargs[].
* avcall/avcall-internal.h: Use it when assigning to an iargs[] element.
* avcall/avcall-*.c: Use it for integer register variables.
2021-06-12 Bruno Haible <[email protected]>
avcall: Support calling conventions that pass 'int', 'long' differently.
* avcall/avcall-internal.h (__av_int, __av_uint): New macros.
* avcall/avcall-libapi.c (avcall_arg_int, avcall_arg_uint): New
functions.
* avcall/avcall.h (avcall_arg_int, avcall_arg_uint): New declarations.
(av_char, av_schar, av_short, av_int, av_uchar, av_ushort, av_uint): Use
them.
2021-06-12 Bruno Haible <[email protected]>
Support assembly language syntax expected by macOS 11/arm64.
* common/asm-arm64.sh: New file, based on common/asm-arm.sh.
* common/asm-arm64.h: New file, based on common/asm-arm.h.
* Makefile.in (SOURCE_FILES): Add them.
* avcall/Makefile.devel (avcall-arm64-macro.S): Use asm-arm64.sh,
asm-arm64.h instead of asm-arm.sh, asm-arm.h.
* vacall/Makefile.devel (vacall-arm64-macro.S): Use asm-arm64.sh,
asm-arm64.h instead of asm-arm.sh, asm-arm.h.
* callback/vacall_r/Makefile.devel (vacall-arm64-macro.S): Use
asm-arm64.sh, asm-arm64.h instead of asm-arm.sh, asm-arm.h.
2021-06-11 Bruno Haible <[email protected]>
avcall: Remove handling of obsolete enum item '__AVword'.
* avcall/avcall-*.c: Remove handling of '__AVword'.
2021-06-11 Bruno Haible <[email protected]>
Fix undefined behaviour in the tests.
* testcases.c (us_cdcd): Cast from double (-30.4) to int to ushort, not
directly to ushort. This avoids undefined behaviour (see ISO C 11
§ 6.3.1.4.(2)).
* vacall/tests.c (simulator): Update accordingly.
* callback/tests.c (us_cdcd_simulator): Likewise.
2021-06-06 Bruno Haible <[email protected]>
Fix test crash with CC="gcc -ftrapv".
* callback/trampoline_r/test1.c (f): Reorder summands, to avoid signed
integer overflow.
2021-06-06 Bruno Haible <[email protected]>
Bump shared library version numbers.
* Makefile.in (LIBFFCALL_VERSION_INFO): Bump to 0:3:0.
* avcall/Makefile.in (LIBAVCALL_VERSION_INFO): Bump to 1:3:0.
* trampoline/Makefile.in (LIBTRAMPOLINE_VERSION_INFO): Likewise.
* callback/Makefile.in (LIBCALLBACK_VERSION_INFO): Likewise.
2021-06-06 Bruno Haible <[email protected]>
Add support for xlclang compiler in 64-bit mode on AIX.
* avcall/avcall.h (__AV_FLOAT_ARGS): Add __AV_AIXCC_FLOAT_ARGS on 64-bit
xlclang.
* vacall/vacall.h (__VA_FLOAT_ARGS): Add __VA_AIXCC_FLOAT_ARGS on 64-bit
xlclang.
* callback/vacall_r/vacall_r.h: Likewise.
2021-06-06 Bruno Haible <[email protected]>
vacall: Fix minitests crash on OpenBSD 6.5 and newer (x86_64).
* vacall/Makefile.devel (vacall-x86_64-linux-pic.s): New target.
(vacall-x86_64-macro.S): On OpenBSD, use the variant compiled with
-fPIC. Needed because without -fPIC, the .eh_frame section has
relocations.
2021-04-14 Bruno Haible <[email protected]>
build: Fix compilation error on FreeBSD 13.0/x86_64.
* common/asm-x86_64.h (EH_FRAME_SECTION): On FreeBSD, use flags "a"
instead of "aw".
2021-03-21 Bruno Haible <[email protected]>
trampoline: Work around failing mmap call on macOS 11.
* Makefile.maint (GNULIB_MODULES): Add clean-temp-simple.
* trampoline/trampoline.c: On macOS, define KEEP_TEMP_FILE_VISIBLE.
(for_mmap_init): If KEEP_TEMP_FILE_VISIBLE, don't delete the file here,
but instead register it for deletion when the process terminates.
* callback/trampoline_r/trampoline.c: Likewise.
2021-02-28 Bruno Haible <[email protected]>
Update DEPENDENCIES.
* DEPENDENCIES: Update some details.
2021-02-20 Bruno Haible <[email protected]>
build: Support creating shared libraries on MidnightBSD.
* Makefile.maint (libtool-imported-files): Apply the patch from
<https://savannah.gnu.org/patch/?10007>.
2021-02-20 Bruno Haible <[email protected]>
Switch to autoconf 2.71.
* autogen.sh: Update comments.
2020-12-09 Bruno Haible <[email protected]>
Switch to autoconf 2.70.
* configure.ac: Fix AC_CHECK_HEADERS invocation. Don't invoke
AC_HEADER_STDC.
* Makefile.maint (ACLOCAL, AUTOMAKE, AUTOCONF, AUTOHEADER): Remove the
fixed version suffix.
* autogen.sh: Update comments.
* README-hacking: Indicate which versions of autoconf and automake are
supported.
2020-12-09 Bruno Haible <[email protected]>
build: Fix syntax error in configure.ac (regression from 2020-07-19).
* configure.ac: Fix syntax error.
2020-07-19 Bruno Haible <[email protected]>
trampoline, callback: Fix another multithread-safety bug.
* trampoline/trampoline.c (alloc_trampoline): Invoke for_mmap_init
before assigning pagesize, not after.
* callback/trampoline_r/trampoline.c (alloc_trampoline_r): Likewise.
2020-07-19 Bruno Haible <[email protected]>
trampoline, callback: Fix a multithread-safety bug.
* trampoline/trampoline.c (free_trampoline): Take the freelist_lock.
* callback/trampoline_r/trampoline.c (free_trampoline_r): Likewise.
2020-07-19 Bruno Haible <[email protected]>
Use OS-provided functions for flushing the instruction cache.
* trampoline/trampoline.c (alloc_trampoline): For flushing the
instruction cache, use the OS-provided functions on Windows, macOS, AIX,
IRIX, Solaris.
* callback/trampoline_r/trampoline.c: Likewise.
* configure.ac: Arrange to not build cache-sparc.o or cache-sparc64.o on
Solaris.
2020-07-12 Bruno Haible <[email protected]>
build: Fix misuse of AC_CACHE_CHECK.
* m4/codeexec.m4 (FFCALL_CODEEXEC): Use two AC_CACHE_CHECK invocations
instead of one. Don't set ffcall_cv_func_mmap_works.
2020-07-12 Bruno Haible <[email protected]>
build: Avoid possible conflict with the broken AC_FUNC_MMAP.
* trampoline/trampoline.c: Don't test HAVE_MMAP.
* callback/trampoline_r/trampoline.c: Likewise.
* m4/codeexec.m4 (FFCALL_CODEEXEC): Don't define HAVE_MMAP.
2020-07-12 Bruno Haible <[email protected]>
Drop portability to IRIX 4.
* trampoline/trampoline.c (PROT_EXEC): Remove fallback definition.
* callback/trampoline_r/trampoline.c (PROT_EXEC): Likewise.
2020-07-12 Bruno Haible <[email protected]>
build: Simplify autoconf macros.
* m4/codeexec.m4: Include the code from m4/mmap.m4 and m4/mprotect.m4.
* m4/mmap.m4: Remove file.
* m4/mprotect.m4: Remove file.
* Makefile.in (SOURCE_FILES): Remove them.
* configure.ac: Invoke just FFCALL_CODEEXEC, instead of FFCALL_MMAP,
FFCALL_MPROTECT, FFCALL_CODEEXEC, FFCALL_CODEEXEC_PAX.
2020-07-12 Bruno Haible <[email protected]>
build: Use autoconf macros from gnulib.
* Makefile.maint (GNULIB_FILES): New variable.
(gnulib-imported-files): Import the $(GNULIB_FILES) from gnulib.
* Makefile.in (GNULIB_IMPORTED_FILES): Add m4/mmap-anon.m4.
* configure.ac: Invoke gl_FUNC_MMAP_ANON.
* m4/mmap.m4 (FFCALL_MMAP): Require gl_FUNC_MMAP_ANON. Don't test
MAP_ANON. Don't set HAVE_MMAP_ANON.
* m4/codeexec.m4 (FFCALL_CODEEXEC_PAX): Require gl_FUNC_MMAP_ANON. Don't
test HAVE_MMAP_ANON.
2020-07-12 Bruno Haible <[email protected]>
build: Simplify autoconf macros.
* m4/codeexec.m4 (FFCALL_CODEEXEC_PAX): Assume that all platforms that
have mprotect also have ENOTSUP.
2020-07-12 Bruno Haible <[email protected]>
build: Use common GNU style in autoconf macros.
* m4/mmap.m4 (FFCALL_MMAP): Define HAVE_MMAP, HAVE_MMAP_ANON,
HAVE_MMAP_ANONYMOUS, HAVE_MMAP_DEVZERO to 1, not empty.
* m4/mprotect.m4 (FFCALL_MPROTECT): Define HAVE_WORKING_MPROTECT to 1,
not empty.
* m4/codeexec.m4 (FFCALL_CODEEXEC_PAX): Define
HAVE_MMAP_SHARED_CAN_EXEC to 1, not empty.
* trampoline/trampoline.c: Test these macros with #if, not #ifdef.
* callback/trampoline_r/trampoline.c: Likewise.
2020-07-11 Bruno Haible <[email protected]>
build: Modernize autoconf macros.
* m4/mmap.m4 (FFCALL_MMAP): Use AC_RUN_IFELSE instead of AC_TRY_RUN.
* m4/mprotect.m4 (FFCALL_MPROTECT): Likewise.
* m4/codeexec.m4 (FFCALL_CODEEXEC, FFCALL_CODEEXEC_PAX): Likewise.
2020-07-11 Bruno Haible <[email protected]>
Drop portability to OSF/1.
* trampoline/trampoline.c: Assume HAVE_MACH_VM is not defined.
* callback/trampoline_r/trampoline.c: Likewise.
* configure.ac: Don't invoke CL_MACH_VM.
* m4/mach-vm.m4: Remove file.
* Makefile.in (SOURCE_FILES): Remove it.
2020-07-11 Bruno Haible <[email protected]>
build: Simplify autoconf macros.
* trampoline/trampoline.c (getpagesize): Declare only on HP-UX. Remove
fallback definition.
* callback/trampoline_r/trampoline.c (getpagesize): Likewise.
* configure.ac: Don't invoke CL_GETPAGESIZE.
* m4/codeexec.m4 (FFCALL_CODEEXEC_PAX): Declare getpagesize only on
HP-UX. Remove its fallback definition.
* m4/mprotect.m4 (FFCALL_MPROTECT): Don't require CL_GETPAGESIZE.
Declare getpagesize only on HP-UX. Remove its fallback definition.
* m4/getpagesize.m4: Remove file.
* m4/proto.m4: Remove file.
* m4/general.m4: Remove file.
* Makefile.in (SOURCE_FILES): Remove them.
2020-07-11 Bruno Haible <[email protected]>
build: Simplify autoconf macros.
* configure.ac: Don't invoke FFCALL_SMALL_STRUCT_RETURN,
FFCALL_IREG_FLOAT_RETURN.
* m4/ireg.m4: Remove file.
* m4/smallstruct.m4: Remove file.
* Makefile.in (SOURCE_FILES): Remove them.
2020-07-11 Bruno Haible <[email protected]>
build: Simplify.
* Makefile.maint (GNULIB_MODULES): Remove 'longlong'.
2020-07-11 Bruno Haible <[email protected]>
build: Simplify autoconf macros.
* m4/codeexec.m4 (CE_DOC): Remove macro.
(FFCALL_CODEEXEC): Inline it.
2020-07-11 Bruno Haible <[email protected]>
build: Simplify autoconf macros.
* m4/getpagesize.m4 (CL_GETPAGESIZE): Inline CL_LINK_CHECK invocation.
* m4/mach-vm.m4 (CL_MACH_VM): Likewise.
* m4/general.m4 (CL_CHECK, CL_LINK_CHECK): Remove macros.
2020-07-11 Bruno Haible <[email protected]>
trampoline: Remove option to allocate memory through shared memory.
* trampoline/trampoline.c: Remove EXECUTABLE_VIA_SHM and its uses.
* callback/trampoline_r/trampoline.c: Likewise.
* configure.ac: Don't invoke CL_SHM_H, CL_SHM.
* m4/shm.m4: Remove file.
* Makefile.in (SOURCE_FILES): Remove it.
2019-10-13 Bruno Haible <[email protected]>
build: Update after armv7l-linux-gnueabihf gcc version changed.
* avcall/Makefile.devel (avcall-armhf-macro.S): Update.
* vacall/Makefile.devel (vacall-armhf-linux.s,
vacall-armhf-linux-pic.s): Likewise.
* callback/vacall_r/Makefile.devel (vacall-armhf-macro.S): Likewise.
2019-10-13 Bruno Haible <[email protected]>
cross-tools: Fix compilation error of binutils 2.17 with makeinfo-6.x.
* cross-tools/patches/binutils-2.17.patch: Fix sectioning in elf.texi.
2019-10-13 Bruno Haible <[email protected]>
cross-tools: Fix compilation error of binutils < 2.24 with makeinfo-6.1.
This backports the fix from
<https://sourceware.org/bugzilla/show_bug.cgi?id=15183>.
* cross-tools/patches/binutils-2.12.90.0.7.patch: Escape @ characters
inside @tex.
* cross-tools/patches/binutils-2.16.1.patch: Likewise.
* cross-tools/patches/binutils-2.17.patch: New file.
2019-10-09 Bruno Haible <[email protected]>
cross-tools: Fix compilation error for armhf CPU.
* cross-tools/cross.conf (armhf): Use GCC version 6.5.0 instead of
6.3.0.
* cross-tools/cross-build.sh (func_build_gcc): Expect GCC 6.x tarball
in .xz format.
2019-10-08 Bruno Haible <[email protected]>
cross-tools: Work around error 500 on www.multiprecision.org.
* cross-tools/cross-build.sh (func_build_mpc): Use alternate download
location.
2019-10-08 Bruno Haible <[email protected]>
cross-tools: Reduce verbosity.
* cross-tools/cross-build.sh (func_ensure_tarball): Use wget option
'-nv'.
2019-09-01 Bruno Haible <[email protected]>
build: Add support for shallow-cloning of subdirectories.
* gitsub.sh (func_usage): Document allowed git options with 'git pull'.
(func_pull): Accept GIT_OPTIONS argument.
(pull): Parse git options before complaining about too many arguments.
Pass the git options to func_pull.
2019-08-29 Bruno Haible <[email protected]>
trampoline: Fix "illegal instruction" on mips32r6.
Reported by Luyou Peng <[email protected]>
at <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=925129>.
The instruction that, before mips32r6, encoded 'j $25' produces an
"illegal instruction" on mips32r6.
That instruction had the same effects as 'jal $0,$25'; this one works
on mips32r6 and on all other MIPS ISAs.
The assemblers and disassemblers were changed to map 'j $25' to
'jal $0,$25' and back automatically.
* trampoline/trampoline.c (alloc_trampoline): On MIPS, use instruction
'jal $0,$25' instead of 'j $25'.
* callback/trampoline_r/trampoline.c (alloc_trampoline_r): Likewise.
2019-08-28 Helmut Grohne <[email protected]> (tiny change)
Fix configure failure during a cross build.
* m4/codeexec.m4 (FFCALL_CODEEXEC_PAX): Fix AC_TRY_RUN invocations.
2019-08-24 Bruno Haible <[email protected]>
Bump shared library version numbers.
* Makefile.in (LIBFFCALL_VERSION_INFO): Bump to 0:2:0.
* avcall/Makefile.in (LIBAVCALL_VERSION_INFO): Bump to 1:2:0.
* trampoline/Makefile.in (LIBTRAMPOLINE_VERSION_INFO): Likewise.
* callback/Makefile.in (LIBCALLBACK_VERSION_INFO): Likewise.
2019-08-24 Bruno Haible <[email protected]>
hppa: Add comments about structure arguments.
* avcall/avcall-hppa.c: Add comment.
* avcall/avcall-internal.h (__av_struct): Likewise.
* vacall/vacall-internal.h (__va_arg_struct): Likewise.
2019-08-24 Bruno Haible <[email protected]>
Add a test for by-value passing.
* testcases.c (v_clobber_K): New function.
* avcall/tests.c (by_value_tests): New function.
(main): Invoke it.
* vacall/tests.c (simulator, main): Test v_clobber_K.
* callback/tests.c (v_clobber_K_simulator): New function.
(main): Test it.
2019-08-24 Bruno Haible <[email protected]>
hppa: Implement correct floating-point argument passing on Linux.
* avcall/avcall.h (__AV_ALIST_WORDS): Add comment.
* avcall/avcall-alist.h (__av_alist) [__hppa__]: Add farg_mask,
darg_mask.
* avcall/avcall-internal.h (__av_start1) [__hppa__]: Initialize
farg_mask, darg_mask.
(_av_float) [__hppa__]: Set a bit in farg_mask.
(_av_double) [__hppa__]: Set a bit in darg_mask.
* avcall/avcall-hppa.c (avcall_call): Copy floating-point arguments
among the first 4 words to %fr4L...%fr7L and %fr5,%fr7.
* vacall/vacall-internal.h (_va_arg_float, _va_arg_double) [__hppa__]:
For floating-point arguments among the first 4 words, use the value
passed in floating-point registers.
* PLATFORMS, */PLATFORMS: List the Linux/hppa ABI.
* NEWS: Mention the new port.
2019-08-24 Bruno Haible <[email protected]>
hppa: Fix stack corruption in avcall.
* avcall/avcall-hppa.c (avcall_call): Don't let GCC optimize away the
stack-allocated array.
* NEWS: Mention the fix.
2019-08-24 Bruno Haible <[email protected]>
Add another integer test.
* testcases.c (i17, ..., i32): New variables.
(i_i32): New function.
* avcall/tests.c (int_tests): Test it.
* vacall/tests.c (simulator, main): Likewise.
* callback/tests.c (i_i32_simulator): New function.
(main): Test it.
2019-08-24 Bruno Haible <[email protected]>
cross-tools: Add support for GCC 8 and 9.
* cross-tools/cross-build.sh (func_build_gcc): Handle also GCC 8 and 9.
2019-08-21 Bruno Haible <[email protected]>
mips: Change the default 32-bit ABI from fp32 to fpxx.
Reported by Sébastien Villemot <[email protected]>
at <https://savannah.gnu.org/bugs/?52510>.
He also found the trick with -fno-tree-dce.
* porting-tools/abis/mips-abis.txt: New file.
* cross-tools/cross.conf (mips): Use gcc 5 and binutils 2.27.
* common/asm-mips.sh: Eliminate .nan and .module lines.
* avcall/avcall-mipsn32.c (avcall_call): Use return value of
__builtin_alloca instead of accessing the stack pointer directly.
* avcall/Makefile.devel (avcall-mipseb-linux.s, avcall-mipsel-linux.s):
Build with gcc 5, with option -mfpxx (for compatibility with current
Debian), with -march=mips2 (required by -mfpxx), and -fno-tree-dce
(required to avoid that gcc eliminates the __builtin_alloca call).
(avcall-mipsn32eb-linux.s, avcall-mipsn32el-linux.s,
avcall-mips64eb-linux.s, avcall-mips64el-linux.s): Build with gcc 5.
* vacall/Makefile.devel (vacall-mipseb-linux.s, vacall-mipsel-linux.s):
Build with gcc 5, with option -mfpxx (for compatibility with current
Debian) and -march=mips2 (required by -mfpxx).
(vacall-mipsn32eb-linux.s, vacall-mipsn32el-linux.s,
vacall-mips64eb-linux.s, vacall-mips64el-linux.s): Build with gcc 5.
* callback/vacall_r/Makefile.devel (vacall-mipseb-linux.s,
vacall-mipsel-linux.s): Build with gcc 5, with option -mfpxx (for
compatibility with current Debian) and -march=mips2 (required by
-mfpxx).
(vacall-mipsn32eb-linux.s, vacall-mipsn32el-linux.s,
vacall-mips64eb-linux.s, vacall-mips64el-linux.s): Build with gcc 5.
* NEWS: Mention the change.
2019-08-20 Bruno Haible <[email protected]>
riscv32: Add support for riscv32-ilp32d ABI.
* cross-tools/cross.conf: Add configuration for riscv32 cross tools.
* porting-tools/emulation/buildroot-riscv-2018-10-20-riscv32.config: New
file.
* porting-tools/emulation/tinyemu-riscv32.txt: New file.
* porting-tools/emulation/README: Refer to it.
* porting-tools/abis/README: Tweaks.
* porting-tools/abis/call-used-registers.txt: Add info about riscv32.
* porting-tools/abis/reg-struct-return.txt: Likewise.