2022-01-07 Bruno Haible <bruno@clisp.org>
Prepare for version 2.14.
* configure.ac (AC_INIT): Bump version to 2.14.
* src/sigsegv.h.in (LIBSIGSEGV_VERSION): Likewise.
* README: Likewise.
* src/Makefile.am (LIBSIGSEGV_VERSION_INFO): Bump to 2:7:0.
2022-01-07 Bruno Haible <bruno@clisp.org>
Improve support for Linux/LoongArch64.
* src/fault-linux-loongarch.h: New file.
* src/Makefile.am (noinst_HEADERS): Add it.
* configure.ac (CFG_FAULT): Use this file on Linux/LoongArch64.
* NEWS: Mention it.
2021-09-13 Bruno Haible <bruno@clisp.org>
Improve support for OpenBSD/PowerPC64.
Based on a patch by Christian Weisgerber <naddy@mips.inka.de> at
<https://lists.gnu.org/archive/html/bug-gnulib/2021-09/msg00045.html>.
* src/fault-openbsd-powerpc.h (SIGSEGV_FAULT_STACKPOINTER): Define
differently in 64-bit mode.
* NEWS: Mention it.
2021-08-07 Bruno Haible <bruno@clisp.org>
tests: Silence some GCC warnings.
Patch by Paul Eggert.
* tests/test-catch-segv1.c, tests/test-catch-stackoverflow1.c,
tests/test-catch-stackoverflow2.c: Declare some functions and variables
static, to pacify GCC when warning about external functions missing
declarations.
2021-06-09 Bruno Haible <bruno@clisp.org>
tests: Hide a null pointer from the compiler's optimizations.
Patch by Paul Eggert.
* tests/test-catch-stackoverflow2.c (null_pointer_to_volatile_int): New
variable.
(main): Use it.
2021-06-06 Bruno Haible <bruno@clisp.org>
Avoid a gcc warning "declaration of 'sig' shadows a parameter".
Reported by Dmitry V. Levin <ldv@altlinux.org> in
<https://lists.gnu.org/archive/html/bug-gnulib/2021-06/msg00018.html>.
* src/handler-unix.c (sigsegv_handler): Use a different local variable
name than 'sig'.
2021-05-29 Bruno Haible <bruno@clisp.org>
Fix typo in comment.
* src/stackvma-procfs.c: Fix typo in comment, found by Paul Eggert.
* src/stackvma-vma-iter.c: Likewise.
* src/stackvma-beos.c: Likewise.
2021-05-16 Bruno Haible <bruno@clisp.org>
Avoid compilation error with glibc >= 2.34.
* lib/sigsegv.h.in (SIGSTKSZ): On glibc systems, redefine to a suitable
constant.
* m4/sigaltstack-longjmp.m4 (SV_TRY_LEAVE_HANDLER_LONGJMP): Likewise.
* m4/sigaltstack-siglongjmp.m4 (SV_TRY_LEAVE_HANDLER_SIGLONGJMP):
Likewise.
2021-05-16 Bruno Haible <bruno@clisp.org>
On Cygwin, use the sigaltstack-based approach by default.
* src/fault-cygwin.h: New file.
* src/fault-cygwin-i386.h: New file.
* src/stackvma-cygwin.c: New file, based on src/stackvma-netbsd.c.
* src/stackvma-vma-iter.c: Enable /proc-reading code also on Cygwin.
* src/Makefile.am (noinst_HEADERS): Add fault-cygwin.h,
fault-cygwin-i386.h.
(EXTRA_DIST): Add stackvma-cygwin.c.
* configure.ac: Use fault-cygwin-i386.h instead of
fault-posix-ucontext.h. Add --enable-support-old-cygwin option. When it
is not specified, use handler-unix.c and stackvma-cygwin.c
* NEWS: Mention that 64-bit Cygwin is now supported.
2021-05-16 Bruno Haible <bruno@clisp.org>
Simplify: Use the POSIX API instead of Mach API on newer macOS versions.
* src/fault-macos.h: New file.
* src/fault-macos-arm64.h: New file.
* src/fault-macos-i386.h: New file.
* src/fault-macos-powerpc.h: New file.
* src/Makefile.am (noinst_HEADERS): Add them.
* configure.ac (CFG_FAULT): On macOS 10.13 or newer, use fault-macos*.h
and handler-unix.c, instead of handler-macos.c.
2021-05-16 Bruno Haible <bruno@clisp.org>
Rename fault-macos-i386.h to fault-macos-i386-old.h.
* src/fault-macos-i386-old.h: Renamed from src/fault-macos-i386.h.
* configure.ac (CFG_FAULT): Update.
* src/Makefile.am (noinst_HEADERS): Likewise.
2021-05-16 Bruno Haible <bruno@clisp.org>
Simplify inclusion of stackvma-mincore.c.
* src/stackvma-mincore.c (mincore_get_vma): Renamed from
sigsegv_get_vma.
* src/stackvma-linux.c: No need to define 'sigsegv_get_vma' and 'STATIC'
macros before including stackvma-mincore.c.
* src/stackvma-freebsd.c: Likewise.
* src/stackvma-netbsd.c: Likewise.
* src/stackvma-mquery.c: Likewise.
* src/stackvma-procfs.c: Likewise.
* src/stackvma-aix.c: New file.
* src/Makefile.am (EXTRA_DIST): Add it.
* configure.ac (CFG_STACKVMA): Set to stackvma-aix.c instead of
stackvma-mincore.c.
2021-05-16 Bruno Haible <bruno@clisp.org>
Drop supporting outdated way of building on native Windows.
* autogen.sh: Don't create config.h.msvc, src/sigsegv.h.msvc.
* Makefile.msvc: Remove file.
* Makefile.am (EXTRA_DIST): Remove Makefile.msvc, config.h.msvc.
(config.h.msvc): Remove rule.
* src/Makefile.am (EXTRA_DIST): Remove sigsegv.h.msvc.
(sigsegv.h.msvc): Remove rule.
2021-05-16 Bruno Haible <bruno@clisp.org>
Moved sigaltstack.m4 and stack-direction.m4 to gnulib.
* m4/sigaltstack.m4: Remove file.
* m4/stack-direction.m4: Remove file.
* autogen.sh: Copy the two files from gnulib.
2021-05-16 Bruno Haible <bruno@clisp.org>
Avoid compiler warning.
* src/stackvma-netbsd.c (sigsegv_get_vma): Avoid unreachable statement.
2021-05-15 Bruno Haible <bruno@clisp.org>
Avoid warning on systems with musl libc.
* src/stackvma-mincore.c (pageinfo_t): Treat all libcs on Linux like
glibc.
2021-05-15 Bruno Haible <bruno@clisp.org>
Rename test files.
* tests/test-catch-segv1.c: Renamed from tests/sigsegv1.c.
* tests/test-catch-segv2.c: Renamed from tests/sigsegv3.c.
* tests/test-catch-stackoverflow1.c: Renamed from
tests/stackoverflow1.c.
* tests/test-catch-stackoverflow2.c: Renamed from
tests/stackoverflow2.c.
* tests/test-segv-dispatcher1.c: Renamed from tests/sigsegv2.c.
* tests/altstack-util.h: Renamed from tests/altstack.h.
* tests/mmap-anon-util.h: Renamed from tests/mmaputil.h.
2021-05-15 Bruno Haible <bruno@clisp.org>
Improve comments.
* src/handler-unix.c: Mention Solaris 11 stack_violation().
* src/fault.h: SIGSEGV_FAULT_ADDRESS is not mandatory.
* src/stackvma-mquery.c: Update.
2021-05-15 Bruno Haible <bruno@clisp.org>
Fix possible warnings on AIX.
* src/stackvma-mincore.c (MINCORE_ADDR_T): Test _AIX, not UNIX_AIX.
2021-05-15 Bruno Haible <bruno@clisp.org>
Improve support for Solaris OpenIndiana.
* configure.ac: Make the test for <sys/procfs.h> succeed on Solaris
OpenIndiana even with -D_XOPEN_SOURCE=700.
* src/stackvma-procfs.c: Define __EXTENSIONS__, for Solaris OpenIndiana.
* NEWS: Mention the change.
2021-02-28 Bruno Haible <bruno@clisp.org>
Update DEPENDENCIES.
* DEPENDENCIES: List the normal dependencies of a package with an
Autoconf-generated configure file.
2021-02-20 Bruno Haible <bruno@clisp.org>
Support creating shared libraries on MidnightBSD.
Patch from <https://savannah.gnu.org/patch/?10007>.
* m4/libtool.m4: Treat MidnightBSD like FreeBSD.
* build-aux/ltmain.sh: Likewise.
* configure.ac (CFG_SIGNALS): Likewise.
* NEWS: Mention it.
2021-02-20 Bruno Haible <bruno@clisp.org>
Switch to autoconf 2.71.
* autogen.sh: Update comment.
2021-01-16 Bruno Haible <bruno@clisp.org>
Prepare for version 2.13.
* configure.ac (AC_INIT): Bump version to 2.13.
* src/sigsegv.h.in (LIBSIGSEGV_VERSION): Likewise.
* README: Likewise.
* src/Makefile.am (LIBSIGSEGV_VERSION_INFO): Bump to 2:6:0.
* NEWS: Add entries.
2021-01-16 Bruno Haible <bruno@clisp.org>
Add support for catching stack overflow on 64-bit Haiku.
* src/stackvma-beos.c (vma_iterate): Adapt to changed signature of
get_next_area_info.
2021-01-16 Bruno Haible <bruno@clisp.org>
Fix compilation errors and warnings on Solaris OpenIndiana.
* src/handler-unix.c: Define __EXTENSIONS__.
* src/stackvma-mincore.c: Likewise.
2021-01-16 Bruno Haible <bruno@clisp.org>
Override value of SIGSTKSZ on 64-bit Solaris/x86_64.
* src/sigsegv.h.in: On 64-bit Solaris/x86_64, set SIGSTKSZ to 16 KB.
2021-01-16 Bruno Haible <bruno@clisp.org>
Add support for catching stack overflow on Solaris 11/SPARC.
* src/fault-solaris11-sparc.h: New file.
* src/Makefile.am (noinst_HEADERS): Add it.
* configure.ac (CFG_FAULT): Choose it on Solaris 11/SPARC.
2021-01-11 Bruno Haible <bruno@clisp.org>
Find stack detection reliably, even with GCC >= 10.
Reported by Andreas Schwab <schwab@gnu.org> in
<https://savannah.gnu.org/bugs/?59714>.
* m4/stack-direction.m4 (SV_STACK_DIRECTION): In the test program, use
the find_stack_direction function from Autoconf 2.70 (with parameters
that depend on argc, and with a recursion depth 20 instead of 2).
2021-01-11 Bruno Haible <bruno@clisp.org>
Switch to automake 1.16.3.
* autogen.sh: Update comment.
2020-12-08 Bruno Haible <bruno@clisp.org>
Switch to autoconf 2.70.
* autogen.sh: Update comment.
2020-12-04 Bruno Haible <bruno@clisp.org>
Improve support for FreeBSD/arm and FreeBSD/arm64.
* src/fault-freebsd-arm.h: New file.
* src/Makefile.am (noinst_HEADERS): Add it.
* configure.ac (CFG_FAULT): Use this file on FreeBSD/arm and
FreeBSD/arm64.
2020-12-04 Bruno Haible <bruno@clisp.org>
Improve support for FreeBSD/x86 and FreeBSD/x86_64.
* src/fault-freebsd-i386.h: Add alternative code that uses SA_SIGINFO.
2020-12-04 Bruno Haible <bruno@clisp.org>
Add support for macOS on arm64.
Helped by Hill Ma <maahiuzeon@gmail.com> in
<https://savannah.gnu.org/bugs/?59539>.
* src/handler-macos.c (catch_exception_raise): Align the stack also on
arm64 CPUs.
2020-12-02 Bruno Haible <bruno@clisp.org>
Improve porting documentation.
* PORTING: Add some more porting tips.
2020-12-01 Bruno Haible <bruno@clisp.org>
Add configure option --disable-stackvma, for testing the fault-* files.
* configure.ac: Add option --enable/disable-stackvma. Set CFG_STACKVMA
to 'stackvma-none.c' if --disable-stackvma was specified.
2020-12-01 Bruno Haible <bruno@clisp.org>
Use canonical test for arm64 CPU.
This is for consistency with gnulib and with predef.sourceforge.net.
* configure.ac: Test __aarch64__, not __arm64__.
* src/handler-macos.c: Likewise.
* src/machfault-macos.h: Likewise.
* src/stackvma-mach.c: Likewise.
2020-11-29 Hill Ma <maahiuzeon@gmail.com>
mach: macos: preliminary support for darwin arm64.
* configure.ac: Treat macos/arm64 like the other macos platforms.
* src/handler-macos.c (sigsegv_leave_handler): On arm64, pass arguments
in registers.
* src/machfault-macos.h (SIGSEGV_*): Define appropriately for arm64.
* src/stackvma-mach.c (sigsegv_get_vma): On arm64, use 64-bit type
definitions.
2020-10-04 Bruno Haible <bruno@clisp.org>
build: Fix warnings from Autoconf 2.69c.
* configure.ac: Move AM_INIT_AUTOMAKE arguments to AC_INIT. Use
AC_CONFIG_HEADERS instead of AM_CONFIG_HEADER. Use AC_LINK_IFELSE.
Update AC_OUTPUT invocation.
2020-09-06 Bruno Haible <bruno@clisp.org>
build: Update after gnulib changed.
* configure.ac (AC_PREREQ): Bump minimum Autoconf version to 2.64.
2019-09-01 Bruno Haible <bruno@clisp.org>
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.
2019-08-07 Nylon Chen <nylon7@andestech.com>
Improve support for Linux/NDS32.
* src/fault-linux-nds32.h: New file.
* src/Makefile.am (noinst_HEADERS): Add it.
* configure.ac (CFG_FAULT): Use this file on Linux/NDS32.
* m4/stack-direction.m4: Add stack direction for NDS32.
2019-05-11 Bruno Haible <bruno@clisp.org>
Update bug reporting instructions.
* README: Tell users to report bugs in the bug tracker or by email.
2019-04-01 Bruno Haible <bruno@clisp.org>
build: Separate git operations from build operations.
* gitsub.sh: New file, from gnulib.
* .gitmodules: New file.
* autogen.sh: Remove all git operations. Look at GNULIB_SRCDIR
environment variable. Ignore the GNULIB_TOOL environment variable.
* HACKING: New file.
* DEPENDENCIES: New file.
2019-01-28 Bruno Haible <bruno@clisp.org>
Improve support for Android.
* src/stackvma-mincore.c (pageinfo_t): Set to 'unsigned char' on
Android.
* src/stackvma-rofile.c: Treat Android like Linux.
* src/stackvma-vma-iter.c: Likewise.
2018-11-13 Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Fix cross-compilation for RISC-V.
* m4/stack-direction.m4: Add stack direction for RISC-V.
2018-10-24 Bruno Haible <bruno@clisp.org>
Update after gnulib changed.
* configure.ac (AC_PREREQ): Require Autoconf >= 2.63.
2018-03-15 Bruno Haible <bruno@clisp.org>
Improve support for Linux/RISC-V.
* src/fault-linux-riscv64.h: New file.
* src/Makefile.am (noinst_HEADERS): Add it.
* configure.ac (CFG_FAULT): Use this file on Linux/riscv64.
2018-02-18 Bruno Haible <bruno@clisp.org>
Avoid "warning: command substitution: ignored null byte in input".
Reported by Nelson Beebe.
* m4/bold.m4 (RSE_BOLD): For vt100, remove trailing NUL bytes. Only
physical terminals need these NULs; physical terminals are not in use
any more nowadays.
2018-02-03 Bruno Haible <bruno@clisp.org>
Fix compilation error on Solaris 11 Dyson in 64-bit mode.
* src/fault-solaris-i386.h (SIGSEGV_FAULT_STACKPOINTER): In 64-bit mode,
use the 64-bit stack pointer.
2018-01-27 Bruno Haible <bruno@clisp.org>
Rename some file.
* INSTALL.windows: Renamed from README.windows.
* Makefile.am (EXTRA_DIST): Update.
2018-01-16 Bruno Haible <bruno@clisp.org>
Prepare for new release.
* configure.ac: Bump version number to 2.12.
* src/sigsegv.h.in (LIBSIGSEGV_VERSION): Likewise.
* README: Likewise.
* src/Makefile.am (LIBSIGSEGV_VERSION_INFO): Bump to 2:5:0.
* NEWS: Mention some more improvements.
2018-01-16 Bruno Haible <bruno@clisp.org>
Correct distinction between stack overflow and other fault on AIX.
* src/stackvma-mincore.c (MINCORE_ADDR_T): New type.
(is_mapped, mapped_range_start, mapped_range_end): Use it.
* configure.ac: Don't use stackvma-procfs.c on AIX.
* NEWS: Mention the improvement.
2017-10-29 Bruno Haible <bruno@clisp.org>
Improve Haiku support.
* src/fault-haiku.h: New file.
* src/fault-haiku-i386.h: New file.
* src/Makefile.am (noinst_HEADERS): Add them.
* configure.ac: On Haiku, use fault-haiku-i386.h instead of just
fault-posix.h, and use stackvma-beos.c instead of stackvma-none.c.
* NEWS: Mention the improvement.
2017-10-09 Bruno Haible <bruno@clisp.org>
Avoid build failures caused by parallel make.
* Makefile.am (GNUMAKEFLAGS): New variable.
2017-10-08 Bruno Haible <bruno@clisp.org>
Make VMA detection more reliable on FreeBSD.
* src/stackvma-vma-iter.c (vma_iterate_proc): Extracted from vma_iterate.
(vma_iterate_bsd): New function.
(vma_iterate): Call both, in the appropriate order.
* src/stackvma-freebsd.c: Include <sys/user.h> and <sys/sysctl.h>.
2017-10-08 Bruno Haible <bruno@clisp.org>
Fix broken VMA detection on NetBSD (regression from 2017-10-07).
* src/stackvma-rofile.c (MIN_LEFTOVER): Define to 1, not 0.
2017-10-07 Bruno Haible <bruno@clisp.org>
Fix broken VMA detection on Linux (regression from 2017-09-28).
* src/stackvma-rofile.c (MIN_LEFTOVER): New macro.
(STACK_ALLOCATED_BUFFER_SIZE): New macro.
(rof_open): On Linux, do multiple read() calls and make sure
MIN_LEFTOVER bytes are left when read() returns.
2017-10-06 Bruno Haible <bruno@clisp.org>
Fix definition of SIGSEGV_FAULT_ADDRESS_ALIGNMENT: don't break clisp.
Existing versions of clisp expect that SIGSEGV_FAULT_ADDRESS_ALIGNMENT
is a constant expression. We cannot include a variable reference or
a function call in it.
* src/sigsegv.h.in (SIGSEGV_FAULT_ADDRESS_ALIGNMENT): Define as a
constant expression.
* tests/sigsegv1.c (SIGSEGV_FAULT_ADDRESS_ROUNDOFF_BITS): Define based
on SIGSEGV_FAULT_ADDRESS_ALIGNMENT.
(handler): Use it.
* tests/sigsegv3.c: Likewise.
2017-10-05 Bruno Haible <bruno@clisp.org>
Fix support for NetBSD/sparc on SPARC64 machines.
* src/sigsegv.h.in (SIGSEGV_FAULT_ADDRESS_ALIGNMENT) [NetBSD/sparc]:
Use getpagesize().
* m4/fault.m4 (SV_TRY_FAULT): On NetBSD/sparc, use getpagesize().
2017-10-03 Bruno Haible <bruno@clisp.org>
Add support for NetBSD/sparc.
* src/sigsegv.h.in (SIGSEGV_FAULT_ADDRESS_ALIGNMENT) [NetBSD/sparc]:
Define to 0x1000.
* m4/fault.m4 (SV_TRY_FAULT): On NetBSD/sparc, set
SIGSEGV_FAULT_ADDRESS_ROUNDOFF_BITS like on Linux/s390.
2017-10-03 Bruno Haible <bruno@clisp.org>
Fix a message.
* tests/sigsegv3.c (handler): Fix message.
2017-10-01 Bruno Haible <bruno@clisp.org>
Comment.
* configure.ac: Add a comment about GNU/Hurd.
2017-09-29 Bruno Haible <bruno@clisp.org>
Make stack VMA detection work on GNU/kFreeBSD even without mincore.
It needs to use the vma_iterate for Linux combined with the callback
for FreeBSD.
* src/stackvma-vma-iter.c: New file, extracted from
src/stackvma-linux.c, src/stackvma-freebsd.c, src/stackvma-netbsd.c.
* src/stackvma-linux.c: Include stackvma-vma-iter.c.
(vma_iterate): Moved to src/stackvma-vma-iter.c.
* src/stackvma-freebsd.c: Likewise.
* src/stackvma-netbsd.c: Likewise.
* src/Makefile.am (EXTRA_DIST): Add stackvma-vma-iter.c.
* configure.ac (CFG_STACKVMA): Treat GNU/kFreeBSD like FreeBSD.
2017-09-28 Bruno Haible <bruno@clisp.org>
Make stack VMA detection code more maintainable.
* src/stackvma-linux.c (struct callback_locals): New type.
(callback): New function.
(vma_iterate): New function, extracted from gnulib's lib/vma-iter.c.
(sigsegv_get_vma): Use vma_iterate.
* src/stackvma-freebsd.c: Likewise.
* src/stackvma-netbsd.c: Likewise.
* src/stackvma-beos.c: Likewise.
* src/stackvma-procfs.c: Likewise.
(sigsegv_get_vma_fallback): Inline and remove function.
2017-09-28 Bruno Haible <bruno@clisp.org>
Make stack VMA detection more reliable on Linux, FreeBSD, NetBSD.
* src/stackvma-rofile.c (struct rofile, rof_open, rof_peekchar,
rof_close): Read the entire file into memory in a single system call.
* src/stackvma-linux.c (sigsegv_get_vma): Update.
* src/stackvma-freebsd.c (sigsegv_get_vma): Likewise.
* src/stackvma-netbsd.c (sigsegv_get_vma): Likewise.
2017-07-15 Bruno Haible <bruno@clisp.org>
Get rid of autom4te.cache directory (left over from autoconf, automake).
* autogen.sh: Remove autom4te.cache directory.
2017-03-10 Bruno Haible <bruno@clisp.org>
Fix a comment.
* src/stackvma-mincore.c: Update comment regarding Mac OS X.
2017-03-04 Bruno Haible <bruno@clisp.org>
Avoid use of glibc-internal macros.
* src/fault-linux-arm.h: Use compiler-defined preprocessor macros,
rather than __WORDSIZE.
* src/fault-linux-powerpc.h: Likewise.
* src/fault-linux-sparc.h: Likewise.
* src/fault-linux-sparc-old.h: Likewise.
Reported by Andreas Schwab <schwab@linux-m68k.org>.
2017-02-21 Bruno Haible <bruno@clisp.org>
Improve Hurd/i386 support.
* src/fault-hurd-i386.h: New file.
* src/Makefile.am (noinst_HEADERS): Add it.
* configure.ac: Use it on Hurd/i386.
* NEWS: Document the improvement.
2017-02-18 Bruno Haible <bruno@clisp.org>
Prepare for new release.
* configure.ac: Bump version number to 2.11.
* src/sigsegv.h.in (LIBSIGSEGV_VERSION): Likewise.
* README: Likewise.
* src/Makefile.am (LIBSIGSEGV_VERSION_INFO): Bump to 2:4:0.
* NEWS: Mention the <stdint.h> requirement.
2017-02-18 Bruno Haible <bruno@clisp.org>
Improve cross-compilation guesses.
* configure.ac: Include results on kFreeBSD9.0.
Treat FreeBSD >= 10 like FreeBSD 4 to 9.
2017-02-18 Bruno Haible <bruno@clisp.org>
On Solaris, prefer the newer /proc fs API to the older (deprecated) one.
Reported by Roger Faulkner in
https://savannah.gnu.org/bugs/?42187 .
* configure.ac: Accept <sys/procfs.h> even if it does no longer define
PIOCNMAP and PIOCMAP.
* src/stackvma-procfs.c: Define _STRUCTURED_PROC before including
<sys/procfs.h>.
(sigsegv_get_vma_fallback): New function.
(sigsegv_get_vma): If PIOCNMAP and PIOCMAP are no longer defined, use
the newer /proc interface.
2017-02-18 Bruno Haible <bruno@clisp.org>
Override value of SIGSTKSZ on 64-bit AIX and on HP-UX.
* src/sigsegv.h.in: On 64-bit AIX, set SIGSTKSZ to 8 KB.
On HP-UX, set SIGSTKSZ to 16 KB.
* NEWS: Document the improvement.
2017-02-18 Bruno Haible <bruno@clisp.org>
Improve Linux/aarch64 support.
* src/fault-linux-arm.h: Add code for aarch64.
* configure.ac: For aarch64 platforms, use fault-linux-arm.h.
2017-02-18 Bruno Haible <bruno@clisp.org>
Make stack overflow detection work on Linux/sparc.
* src/fault-linux-sparc.h (SIGSEGV_FAULT_STACKPOINTER): Fix: ucp is a
'struct sigcontext *', not an 'ucontext_t *'.
(BOGUS_FAULT_ADDRESS_UPON_STACK_OVERFLOW): New macro.
* src/handler-unix.c (sigsegv_handler): Handle the
BOGUS_FAULT_ADDRESS_UPON_STACK_OVERFLOW case.
Handle errno consistently.
* NEWS: Document the improvement.
2017-02-18 Bruno Haible <bruno@clisp.org>
Fix glibc version determination.
* configure.ac (glibcversion): Use postprocessing that works also with
gcc 5 or newer.
2017-02-18 Bruno Haible <bruno@clisp.org>
Update comments.
* src/fault-linux-*.h: Update references to the glibc sources.
2017-01-10 Bruno Haible <bruno@clisp.org>
Update README.
* README: Prefer https URLs over http or ftp URLs.
2016-12-04 Bruno Haible <bruno@clisp.org>
Always use the newest released copies of files brought in from Automake.
* autogen.sh: Make sure to get new versions of files brought in by
automake.
2016-11-27 Bruno Haible <bruno@clisp.org>
Fix compilation error on Cygwin, regression from 2016-10-22.
* src/sigsegv.h.in: Include <stddef.h>.
2016-11-23 Bruno Haible <bruno@clisp.org>
Update installation instructions for Windows.
* README.windows: Assume a 64-bit Windows. Explain both 32-bit and
64-bit builds. Revamp instructions for the MS Visual C/C++ tool chain
and for Cygwin.
2016-11-23 Bruno Haible <bruno@clisp.org>
Drop the nickname "woe32".
* README.windows: Renamed from README.woe32.
* README: Update.
* Makefile.am (EXTRA_DIST): Update.
2016-10-22 Bruno Haible <bruno@clisp.org>
Support for platforms with 32-bit 'long' and 64-bit pointers.
* src/sigsegv.h.in: Use 'size_t' instead of 'unsigned long'.
* src/stackvma.h: Include <stdint.h>. Use 'uintptr_t' instead of
'unsigned long'.
* src/stackvma-*.c: Use 'uintptr_t' instead of 'unsigned long'.
* src/dispatcher.c: Include <stdint.h>. Use 'uintptr_t' or 'size_t'
instead of 'unsigned long'.
* src/handler-*.c: Likewise.
* tests/mmaputil.h: Use 'uintptr_t' or 'size_t' instead of
'unsigned long'.
* tests/sigsegv1.c: Include <stdint.h>. Use 'uintptr_t' instead of
'unsigned long'.
* tests/sigsegv2.c: Likewise.
* tests/sigsegv3.c: Likewise.
* tests/stackoverflow2.c: Likewise.
Reported by Nate Sigrist in <https://savannah.gnu.org/bugs/?37604>.
2016-10-22 Bruno Haible <bruno@clisp.org>
Switch to libtool 2.4.6.
* m4/libtool.m4: Update from libtool-2.4.6.
* m4/ltoptions.m4: Likewise.
* m4/ltversion.m4: Likewise.
* build-aux/ltmain.sh: Likewise.
2016-10-22 Bruno Haible <bruno@clisp.org>
Switch to automake 1.15.
* autogen.sh: Update comment.
* src/Makefile.am (AM_CPPFLAGS): Renamed from INCLUDES.
* tests/Makefile.am (AM_CPPFLAGS): Renamed from INCLUDES.
* build-aux/.gitignore: Ignore more files.
2015-12-03 Waldemar Brodkorb <wbx@uclibc-ng.org>
* src/fault-linux-sparc.h (SIGSEGV_FAULT_STACKPOINTER)
<__WORDSIZE == 64>: New macro.
2014-12-30 Simon Dawson <spdawson@gmail.com> (tiny change)
Will Newton <will.newton@linaro.org> (tiny change)
Spenser Gilliland <spenser@gillilanding.com> (tiny change)
Thomas Petazzoni <thomas.petazzoni@free-electrons.com> (tiny change)
* m4/stack-direction.m4: Add stack direction info for various
processors.
2012-09-09 Bruno Haible <bruno@clisp.org>
Support for OpenBSD 5.2 on m88k and sh processors.
* src/fault-openbsd-m88k.h: Update for OpenBSD 5.2.
* src/fault-openbsd-sh.h: Likewise.
Reported by Brad Smith <brad@comstyle.com>
at <https://savannah.gnu.org/bugs/?37288>.
2012-04-28 Bruno Haible <bruno@clisp.org>
Allow use of autoconf-2.69 and automake-1.12.
* autogen.sh: Update comments.
2011-10-18 Bruno Haible <bruno@clisp.org>
* m4/libtool.m4: Update from libtool-2.4.2.
* m4/ltoptions.m4: Likewise.
* m4/ltversion.m4: Likewise.
* build-aux/ltmain.sh: Likewise.
2011-09-30 Bruno Haible <bruno@clisp.org>
Update known platforms list.
* configure.ac (POSIX): Add Linux/SPARC to the known platforms.
2011-09-30 Bruno Haible <bruno@clisp.org>
Work around an mprotect(...,PROT_READ) bug on Linux 2.6.26/SPARC64.
* m4/fault.m4 (SV_TRY_FAULT): On Linux/SPARC, use PROT_NONE instead of
PROT_READ.
* tests/sigsegv1.c (main): Likewise.
* tests/sigsegv2.c (main): Likewise.
* tests/sigsegv3.c (main): Likewise.
* tests/stackoverflow2.c (main): Likewise.
2011-09-10 Bruno Haible <bruno@clisp.org>
Adhere to Win32 API.
* src/handler-win32.c (main_exception_filter): Use
EXCEPTION_STACK_OVERFLOW, not STATUS_STACK_OVERFLOW.
2011-05-03 Eric Blake <eblake@redhat.com>
Avoid polluting cygwin namespace.
* configure.ac (FAULT_CONTEXT_INCLUDE): Avoid including
<windows.h> on cygwin.
Reported by Corinna Vinschen, via Aharon Robbins.
2011-04-03 Bruno Haible <bruno@clisp.org>
* Version 2.10 released.
2011-04-03 Bruno Haible <bruno@clisp.org>
Don't ask for success reports on MacOS X any more.
* Makefile.am (check-next): No longer ask for success reports on
MacOS X.
2011-04-03 Bruno Haible <bruno@clisp.org>
Bump version number.
* configure.ac: Bump version number to 2.10.
* src/sigsegv.h.in (LIBSIGSEGV_VERSION): Likewise.
* README: Likewise. Recommend ftpmirror.gnu.org in the first place.
* src/Makefile.am (LIBSIGSEGV_VERSION_INFO): Bump to 2:3:0.
2011-03-13 Bruno Haible <bruno@clisp.org>
Support for Linux/S390.
* m4/fault.m4 (SV_TRY_FAULT): Define
SIGSEGV_FAULT_ADDRESS_ROUNDOFF_BITS. On Linux/S390 systems, expect a
page-aligned fault address.
* src/sigsegv.h.in (SIGSEGV_FAULT_ADDRESS_ROUNDOFF_BITS): New macro.
(sigsegv_register): Mention constraint about address and len arguments.
* tests/sigsegv1.c (handler): On Linux/S390 systems, expect a
page-aligned fault address.
* tests/sigsegv3.c (handler): Likewise.
* tests/sigsegv2.c: Add comment.
* NEWS: Document the change.
Reported by Christoph Egger <christoph@debian.org>.
2011-01-29 Bruno Haible <bruno@clisp.org>
Improve OpenBSD support: Allow faster VMA determination.
* configure.ac: Check also for mquery.
(CFG_STACKVMA): Set to stackvma-mquery.c if mquery() exists.
* src/stackvma-mquery.c: New file.
* src/Makefile.am (EXTRA_DIST): Add it.
* NEWS: Document the improvement.
2011-01-23 Bruno Haible <bruno@clisp.org>
Improve NetBSD support: Allow VMA determination with fewer system calls.
* src/stackvma-netbsd.c: New file, based on src/stackvma-freebsd.c.
* src/stackvma-freebsd.c: Add comment.
* src/Makefile.am (EXTRA_DIST): Add stackvma-netbsd.c.
* configure.ac (CFG_STACKVMA): Set to stackvma-netbsd.c on NetBSD.
2010-11-06 Bruno Haible <bruno@clisp.org>
* Version 2.9 released.
2010-11-06 Bruno Haible <bruno@clisp.org>
Bump version number.
* configure.ac: Bump version number to 2.9.
* src/sigsegv.h.in (LIBSIGSEGV_VERSION): Likewise.
* README: Likewise.
* src/Makefile.am (LIBSIGSEGV_VERSION_INFO): Bump to 2:2:0.
2010-11-06 Bruno Haible <bruno@clisp.org>
Start to use gnulib.
* autogen.sh: New option --skip-gnulib. Fetch gnulib if GNULIB_TOOL is
not set. Import m4/relocatable-lib.m4.
* configure.ac: Invoke gl_RELOCATABLE_NOP instead of
AC_RELOCATABLE_NOP.
* m4/relocatable.m4: Remove file.
2010-11-06 Bruno Haible <bruno@clisp.org>
Modernize autoconf macro style.
* configure.ac: Surround all macro arguments in brackets.
* m4/getpagesize.m4: Likewise.
* m4/mmap-anon.m4: Likewise.
* m4/sigaltstack.m4: Likewise.
2010-11-06 Bruno Haible <bruno@clisp.org>
Don't list files in .gitignore that are absent after "make distclean".
* .gitignore: Complete the list of files that are created by "make" and
removed by "make distclean". But comment them out, since they belong in
.git/info/exclude. Also remove /autom4te.cache because "make distclean"
does not remove it.
2010-10-25 Eric Blake <eblake@redhat.com>
Fix powerpc64-unknown-linux-gnu implementation.
* src/stackvma-rofile.c (struct rofile): Reduce size, to avoid
overflowing alternate stack when compiled under -O2.
* src/stackvma-mincore.c (mapped_range_start, mapped_range_end):
Likewise.
* NEWS: Document the fix.
2010-10-24 Eric Blake <eblake@redhat.com>
Bruno Haible <bruno@clisp.org>
Enhance the tests to detect overflow of the alternate stack.
* tests/altstack.h: New file.
* tests/Makefile.am (EXTRA_DIST): Add altstack.h.
* configure.ac: Invoke AC_TYPE_UINTPTR_T.
* tests/stackoverflow1.c: Include altstack.h.
(SIGSTKSZ): Remove definition.
(mystack): Remove definition.
(main): Invoke prepare_alternate_stack and
check_alternate_stack_no_overflow.
* tests/stackoverflow2.c: Likewise.
* tests/efault2.c: Likewise.
* tests/efault3.c: Likewise.
2010-10-21 Eric Blake <eblake@redhat.com>
* .gitignore: Ignore more files.
2010-09-23 Bruno Haible <bruno@clisp.org>
* m4/libtool.m4: Update from libtool-2.4.
* m4/ltversion.m4: Likewise.
* build-aux/ltmain.sh: Likewise.
2010-06-04 Bruno Haible <bruno@clisp.org>
* m4/libtool.m4: Update from libtool-2.2.8.
* m4/ltoptions.m4: Likewise.
* m4/ltversion.m4: Likewise.
* m4/lt~obsolete.m4: Likewise.
* build-aux/ltmain.sh: Likewise.
2010-04-06 Eric Blake <eblake@redhat.com>
* AUTHORS: Add myself.
2010-03-30 Bruno Haible <bruno@clisp.org>
* README.woe32: Update for Cygwin 1.7.x.
2010-02-18 Bruno Haible <bruno@clisp.org>
Fix 64-bit builds with --enable-shared on MacOS X.
* src/stackvma-mach.c (sigsegv_get_vma): On 64-bit MacOS X, use
vm_region_64 instead of vm_region.
* NEWS: Mention the fix.
Reported by Rudá Moura <ruda@rudix.org>.
2010-01-31 Bruno Haible <bruno@clisp.org>
* README: Add more homepage links. Add bug report address.
2010-01-07 Bruno Haible <bruno@clisp.org>
Improve support for OpenBSD.
* src/fault-openbsd-i386.h (SIGSEGV_FAULT_STACKPOINTER): Define
differently in 64-bit mode.
* src/fault-openbsd-alpha.h: New file.
* src/fault-openbsd-arm.h: New file.
* src/fault-openbsd-hppa.h: New file.
* src/fault-openbsd-m68k.h: New file.
* src/fault-openbsd-m88k.h: New file.
* src/fault-openbsd-mips.h: New file.
* src/fault-openbsd-powerpc.h: New file.
* src/fault-openbsd-sh.h: New file.
* src/fault-openbsd-sparc.h: New file.
* src/fault-openbsd-vax.h: New file.
* src/Makefile.am (noinst_HEADERS): Add the new files.
* configure.ac (CFG_FAULT): Use these files on OpenBSD.
Reported by Paul Irofti <bulibuta@sdf.lonestar.org>.
2009-12-11 Bruno Haible <bruno@clisp.org>
* Version 2.8 released.
2009-12-11 Bruno Haible <bruno@clisp.org>
* configure.ac: Bump version number to 2.8.
* src/sigsegv.h.in (LIBSIGSEGV_VERSION): Likewise.
* README: Likewise.
* src/Makefile.am (LIBSIGSEGV_VERSION_INFO): Bump to 2:1:0.
2009-12-11 Bruno Haible <bruno@clisp.org>
Remove configuration option --enable-EFAULT.
* configure.ac (enable_EFAULT): Set to yes on Cygwin, to no otherwise.
* README, NEWS: Don't mention --enable-EFAULT.
Reported by Eric Blake.
2009-12-11 Bruno Haible <bruno@clisp.org>
New test for Cygwin.
* tests/cygwin1.c: New file, based on code by Eric Blake.
* tests/Makefile.am (TESTS, noinst_PROGRAMS): Add it.
* configure.ac (CYGWIN): New conditional.
2009-11-21 Eric Blake <ebb9@byu.net>
Bruno Haible <bruno@clisp.org>
New configuration option --enable-EFAULT.
* configure.ac: Accept option --enable-EFAULT. Set and define
ENABLE_EFAULT. Invoke SV_SYSCALLS_EFAULT.
For Cygwin, use the CFG_FAULT that was already determined, or
fault-cygwin-old.h if none. In the latter case, define
OLD_CYGWIN_WORKAROUND.
* m4/efault.m4: New file.
* src/handler-win32.c [CYGWIN && ENABLE_EFAULT]: Include
handler-unix.c.
(MIXING_UNIX_SIGSEGV_AND_WIN32_STACKOVERFLOW_HANDLING): New macro.
(last_seen_fault_address): New variable.
(main_exception_filter): Store the fault address for the Unix signal
handler.
(sigsegv_install_handler): Redefine.
(sigsegv_deinstall_handler, sigsegv_leave_handler): Don't define.
* src/handler-unix.c (stackoverflow_install_handler,
stackoverflow_deinstall_handler): Don't define if
MIXING_UNIX_SIGSEGV_AND_WIN32_STACKOVERFLOW_HANDLING is set.
* src/fault-cygwin-old.h: New file.
* src/Makefile.am (noinst_HEADERS): Add it.
* tests/efault1.c: New file.
* tests/efault2.c: New file.
* tests/efault3.c: New file.
* tests/Makefile.am (TESTS, noinst_PROGRAMS): Add efault1, efault2,
efault3.
* README, NEWS: Mention the new option.
2009-11-21 Bruno Haible <bruno@clisp.org>
Support for Cygwin 1.7.
* configure.ac: For Cygwin and mingw, choose FAULT_CONTEXT in a way
that is consistent with CFD_HANDLER.
Reported by Eric Blake <ebb9@byu.net>
2009-11-21 Bruno Haible <bruno@clisp.org>
* configure.ac: Add comments and structure.
2009-11-21 Bruno Haible <bruno@clisp.org>
Reduce size of configure.ac.
* m4/stack-direction.m4: New file, extracted from configure.ac.
* configure.ac: Simply invoke SV_STACK_DIRECTION.
2009-11-21 Eric Blake <ebb9@byu.net>
Bruno Haible <bruno@clisp.org>
Avoid a gcc warning.
* src/handler-win32.c (debug_get_except_list): Mark as unused.
2009-11-21 Bruno Haible <bruno@clisp.org>
Fix compilation error on newer versions of HP-UX 11.31 on ia64.
* configure.ac: Set sv_cv_have_stack_overflow_recovery to 'no' if it is
not possible to longjmp out of the signal handler. On HP-UX 11.31 on
ia64 it is only possible with siglongjmp (as far as we know).
Reported by Bill Glessner <bill.glessner@cwu.edu>.
* configure.ac: Move determination of CFG_LEAVE before the
determination of sv_cv_have_stack_overflow_recovery.
2009-10-17 Bruno Haible <bruno@clisp.org>
* README: Mention danger of longjmping back to a central point.
Reported by Angelo Borsotti <angelo.borsotti@gmail.com>.
2009-09-22 Paolo Bonzini <bonzini@gnu.org>
Move more declarations of alternate stacks to global scope.
* m4/sigaltstack-longjmp.m4: Make mystack global.
* m4/sigaltstack-siglongjmp.m4: Make mystack global.
* m4/sigaltstack.m4: Make mystack global.
2009-09-22 Paolo Bonzini <bonzini@gnu.org>
Fix crash of stackoverflow2 on x86_64-linux.
* tests/stackoverflow1.c: Make mystack global.
* tests/stackoverflow2.c: Likewise.
* src/sigsegv.h.in: Warn against placing the alternate stack
on the main stack.
2009-08-16 Bruno Haible <bruno@clisp.org>
Avoid a gcc warning on Solaris.
* src/stackvma-procfs.c: Include <string.h>.
2009-08-14 Bruno Haible <bruno@clisp.org>
Remove config.guess, config.sub from from version control.
* autogen.sh: Fetch config.guess, config.sub.
* build-aux/config.guess: Remove file.
* build-aux/config.sub: Remove file.
2009-08-14 Bruno Haible <bruno@clisp.org>
Remove autogenerated files from version control.
* autogen.sh: New file.
* aclocal.m4: Remove file.
* configure: Remove file.
* config.h.in: Remove file.
* Makefile.in: Remove file.
* src/Makefile.in: Remove file.
* tests/Makefile.in: Remove file.
* build-aux/install-sh: Remove file.
* build-aux/missing: Remove file.
* config.h.msvc: Remove file.
* src/sigsegv.h.msvc: Remove file.
2009-08-14 Bruno Haible <bruno@clisp.org>
Override automake's tar command used for creating distributions.
* configure.ac (am__tar): New variable.
2009-08-09 Bruno Haible <bruno@clisp.org>
* Version 2.7 released.
2009-08-09 Bruno Haible <bruno@clisp.org>
* configure.ac: Bump version number to 2.7.
* src/sigsegv.h.in (LIBSIGSEGV_VERSION): Likewise.
* src/Makefile.am (LIBSIGSEGV_VERSION_INFO): Bump to 2:0:0.
2009-08-09 Bruno Haible <bruno@clisp.org>
* src/fault-linux-powerpc.h (SIGSEGV_FAULT_STACKPOINTER): Fix mistake.
2009-08-09 Bruno Haible <bruno@clisp.org>
Avoid warnings on glibc systems.
* src/stackvma-mincore.c (pageinfo_t): New type.
(is_mapped, mapped_range_start, mapped_range_end): Use it.
2009-08-01 Bruno Haible <bruno@clisp.org>
Prefer the POSIX way over the traditional one, on Linux.
* configure.ac: Use the traditional Linux way only if the POSIX way
does not work.
* NEWS: Mention the change.
2009-08-01 Bruno Haible <bruno@clisp.org>
Add knowledge where to find the stack pointer on Linux platforms.
* src/fault-linux-alpha.h: New file.
* src/fault-linux-arm.h: New file.
* src/fault-linux-cris.h: New file.
* src/fault-linux-hppa.h: New file.
* src/fault-linux-i386.h: New file.
* src/fault-linux-ia64.h: New file.
* src/fault-linux-m68k.h: New file.
* src/fault-linux-mips.h: New file.
* src/fault-linux-powerpc.h: New file.
* src/fault-linux-s390.h: New file.
* src/fault-linux-sh.h: New file.
* src/fault-linux-sparc.h: New file.
* src/Makefile.am (noinst_HEADERS): Add them.
* src/handler-unix.c (_GNU_SOURCE): Define.
* src/fault-linux-hppa-old.h: Add alternative code, commented.
* src/fault-linux-sparc-old.h: Likewise.
* configure.ac (CFG_FAULT): Use these files on Linux when the POSIX way
of catching page faults works.
2009-08-01 Bruno Haible <bruno@clisp.org>
* src/fault-linux-i386-old.h: Renamed from src/fault-linux-i386.h.
* src/Makefile.am (noinst_HEADERS): Update.
* configure.ac: Update.
* src/fault-linux-i386-oldold.h: Renamed from
src/fault-linux-i386-old.h.
* src/Makefile.am (noinst_HEADERS): Update.
* configure.ac: Update.
* src/fault-linux-alpha-old.h: Renamed from src/fault-linux-alpha.h.
* src/fault-linux-arm-old.h: Renamed from src/fault-linux-arm.h.
* src/fault-linux-cris-old.h: Renamed from src/fault-linux-cris.h.
* src/fault-linux-hppa-old.h: Renamed from src/fault-linux-hppa.h.
* src/fault-linux-ia64-old.h: Renamed from src/fault-linux-ia64.h.
* src/fault-linux-m68k-old.c: Renamed from src/fault-linux-m68k.c.
* src/fault-linux-m68k-old.h: Renamed from src/fault-linux-m68k.h.
Update.
* src/fault-linux-mips-old.h: Renamed from src/fault-linux-mips.h.
* src/fault-linux-powerpc-old.h: Renamed from src/fault-linux-powerpc.h.
* src/fault-linux-s390-old.h: Renamed from src/fault-linux-s390.h.
* src/fault-linux-sh-old.h: Renamed from src/fault-linux-sh.h.
* src/fault-linux-sparc-old.h: Renamed from src/fault-linux-sparc.h.
* src/fault-linux-x86_64-old.h: Renamed from src/fault-linux-x86_64.h.
* src/Makefile.am (noinst_HEADERS): Update.
* configure.ac: Update.
2009-06-23 Bruno Haible <bruno@clisp.org>
* Makefile.am (check-next): No longer ask for copies of config.log.
2009-06-23 Bruno Haible <bruno@clisp.org>
Improve support for MirBSD 10.
* configure.ac (CFG_FAULT, FAULT_CONTEXT): Treat MirBSD/i386 like
OpenBSD/i386.
2009-06-23 Bruno Haible <bruno@clisp.org>
Add support for platforms that follow POSIX:2008, not POSIX:2001.
* configure.ac (POSIX): Add MirBSD to known list.
(CFG_FAULT, FAULT_CONTEXT, FAULT_CONTEXT_INCLUDE): Define appropriately
when <ucontext.h> does not exist.
* src/fault-posix-ucontext.h: Renamed from src/fault-posix.h.
* src/fault-posix.h: New file.
* src/fault-aix5.h: Update.
* src/fault-hpux-hppa.h: Update.
* src/fault-netbsd.h: Update.
* src/fault-solaris.h: Update.
* src/Makefile.am (noinst_HEADERS): Add fault-posix-ucontext.h.
2009-06-23 Bruno Haible <bruno@clisp.org>
* configure.ac (FAULT_CONTEXT_INCLUDE): Reinstall the AC_SUBST
invocation.
2009-05-21 Bruno Haible <bruno@clisp.org>
* configure.ac (FAULT_CONTEXT_INCLUDE): Don't substitute into
Makefiles.
2009-05-21 Bruno Haible <bruno@clisp.org>
* tests/Makefile.am (AUTOMAKE_OPTIONS): Assume automake >= 1.11.
Use color-tests option.
2009-01-14 Bruno Haible <bruno@clisp.org>
* configure.ac: More consistent m4 quoting.
2008-09-27 Bruno Haible <bruno@clisp.org>
* build-aux/config.sub: Update to GNU version 2008-09-08.
2008-09-23 Eric Blake <ebb9@byu.net>
Use 2 * SIGSTKSZ consistently in configuration checks.
* m4/sigaltstack.m4 (SV_SIGALTSTACK): Work around IRIX sigaltstack bug.
* m4/sigaltstack-longjmp.m4 (SV_TRY_LEAVE_HANDLER_LONGJMP): Likewise.
* m4/sigaltstack-siglongjmp.m4 (SV_TRY_LEAVE_HANDLER_SIGLONGJMP):
Likewise.
2008-09-21 Bruno Haible <bruno@clisp.org>
* src/Makefile.am (LIBSIGSEGV_VERSION_INFO): New variable.
(libsigsegv_la_LDFLAGS): Pass -rpath and -version-info option.
Reported by Thomas Klausner <tk@giga.or.at>.
2008-09-21 Eric Blake <ebb9@byu.net>
Bruno Haible <bruno@clisp.org>
Detect and work around bug in Irix 5.3 sigaltstack.
* m4/sigaltstack.m4 (SV_SIGALTSTACK): Test for broken stack_t direction
in sigaltstack.
* src/handler-unix.c (stackoverflow_install_handler): Adjust stack
accordingly.
* tests/stackoverflow1.c (stack_lower_bound, stack_upper_bound): New
variables.
(stackoverflow_handler): Use them to expose IRIX bug.
(main): Initialize them.
2008-09-07 Bruno Haible <bruno@clisp.org>
* m4/libtool.m4: Update from libtool-2.2.6.
* m4/ltoptions.m4: Likewise.
* m4/ltsugar.m4: Likewise.
* m4/ltversion.m4: Likewise.
* build-aux/ltmain.sh: Likewise.
2008-08-25 Bruno Haible <bruno@clisp.org>
* Version 2.6 released.
2008-08-24 Bruno Haible <bruno@clisp.org>
* configure.ac: Treat Dragonfly BSD platforms like FreeBSD.
Reported by Thomas Klausner <tk@giga.or.at>.
2008-08-24 Bruno Haible <bruno@clisp.org>
* src/stackvma-mincore.c (mincore_is_near_this): Improve logic. Needed
for reliable NULL pointer access classification as SIGSEGV on AIX 4.3.
2008-08-24 Bruno Haible <bruno@clisp.org>
* m4/sigaltstack.m4: Change 'volatile int' return type to 'int'. Needed
for AIX 4.3 xlc.
* m4/sigaltstack-longjmp.m4: Likewise.
* m4/sigaltstack-siglongjmp.m4: Likewise.
* tests/stackoverflow1.c (recurse): Likewise.
* tests/stackoverflow2.c (recurse): Likewise.
2008-08-24 Bruno Haible <bruno@clisp.org>
* tests/sigsegv1.c: Include <config.h>.
* tests/sigsegv2.c: Likewise.
* tests/sigsegv3.c: Include <config.h> before all other headers.
* tests/stackoverflow1.c: Likewise.
* tests/stackoverflow2.c: Likewise.
2008-08-24 Bruno Haible <bruno@clisp.org>
Fix the sigsegv3 test on MacOS X.
* src/sigsegv.h.in (sigsegv_leave_handler): Take 4 arguments.
* NEWS: Mention the change.
* src/handler-macos.c (our_exception_thread, signalled_thread): New
variables.
(catch_exception_raise): Set signalled_thread during the user_handler
invocation.
(mach_exception_thread): Initialize our_exception_thread.
(sigsegv_leave_handler): Take 4 arguments. When called from within
the exception thread, let the signalled thread do a hyperjump.
* src/handler-unix.c (sigsegv_leave_handler): Take 4 arguments.
* src/handler-win32.c (sigsegv_leave_handler): Likewise.
* src/handler-none.c (sigsegv_leave_handler): Likewise.
* src/machfault-macos.h (SIGSEGV_INTEGER_ARGUMENT_1,
SIGSEGV_INTEGER_ARGUMENT_2, SIGSEGV_INTEGER_ARGUMENT_3,
SIGSEGV_FRAME_POINTER): New macros.
* tests/sigsegv3.c (handler_continuation): New function.
(handler): Update to new API.
* tests/stackoverflow1.c (stackoverflow_handler_continuation): New
function.
(stackoverflow_handler): Update to new API.
* tests/stackoverflow2.c (stackoverflow_handler_continuation): New
function.
(stackoverflow_handler, sigsegv_handler): Update to new API.
2008-08-24 Bruno Haible <bruno@clisp.org>
Test the use of sigsegv_leave_handler from within a SIGSEGV handler.
* tests/sigsegv3.c: New file.
* tests/Makefile.am (TESTS, noinst_PROGRAMS): Add sigsegv3.
2008-08-23 Eric Blake <ebb9@byu.net>
* src/Makefile.am (noinst_HEADERS): Remove machfault-macos-powerpc.h
and machfault-macos-i386.h. Add machfault-macos.h.
2008-08-17 Bruno Haible <bruno@clisp.org>
Allow building universal binaries on MacOS X.
* src/machfault-macos.h: New file, combining
src/machfault-macos-powerpc.h and src/machfault-macos-i386.h.
* src/machfault-macos-powerpc.h: Remove file.
* src/machfault-macos-i386.h: Remove file.
* configure.ac (CFG_MACHFAULT): Set to machfault-macos.h.
(FAULT_CONTEXT_INCLUDE) [MacOSX]: Set to #ifdefs for all four possible
architectures.
2008-07-20 Bruno Haible <bruno@clisp.org>
Make sigsegv_get_vma async-safe.
* src/sigsegv.h.in (sigsegv_handler_t, stackoverflow_handler_t):
Mention async-safety constraints.
+ src/stackvma-rofile.c: New file.
* src/stackvma-freebsd.c: Include stackvma-rofile.c.
(sigsegv_get_vma): Use struct rofile instead of FILE.
* src/stackvma-linux.c: Include stackvma-rofile.c.
(sigsegv_get_vma): Use struct rofile instead of FILE.
* src/stackvma-procfs.c: Include <sys/mman.h> instead of <stdlib.h> and
<stdio.h>.
(sigsegv_get_vma): Avoid using sprintf. Ensure pagesize is initialized.
Use mmap/munmap instead of malloc/free.
* src/Makefile.am (EXTRA_DIST): Add stackvma-rofile.c.
Reported by Eric Blake <ebb9@byu.net>.
2008-07-20 Bruno Haible <bruno@clisp.org>
* src/handler-unix.c (sigsegv_handler): Preserve errno.
2008-07-20 Eric Blake <ebb9@byu.net>
* src/stackvma-mincore.c (mincore_is_near_this): Fix logic.
2008-07-20 Bruno Haible <bruno@clisp.org>
* tests/stackoverflow2.c (main): Test also a NULL pointer access.
Reported by Eric Blake <ebb9@byu.net>.
2008-06-23 Bruno Haible <bruno@clisp.org>
* build-aux/config.guess: Update to GNU version 2008-06-16.
* build-aux/config.sub: Likewise.
2008-05-31 Bruno Haible <bruno@clisp.org>
Make cross-compile from MacOS X 10.5 to MacOS X 10.4 work.
* src/handler-macos.c (MacOS_X_10_5_HEADERS): New macro.
* src/machfault-macos-i386.h: Use it.
* src/machfault-macos-powerpc.h: Likewise.
Reported by Dr Tomaž Slivnik <slivnik@tomaz.name>.
2008-05-31 Bruno Haible <bruno@clisp.org>
* m4/mmap-anon.m4 (SV_MMAP_ANON): Add known cross-compile results for
MacOS X.
Reported by Dr Tomaž Slivnik <slivnik@tomaz.name>.
2008-05-27 Bruno Haible <bruno@clisp.org>
* configure.ac: Require at least autoconf 2.62. Merge
FAULT_CONTEXT_INCLUDE2 variable into FAULT_CONTEXT_INCLUDE.
* src/sigsegv.h.in: Remove FAULT_CONTEXT_INCLUDE2 substitution.
* src/Makefile.am (sigsegv.h.msvc): Update.
2008-05-27 Bruno Haible <bruno@clisp.org>
* configure.ac: Bump version number to 2.6.
* src/sigsegv.h.in (LIBSIGSEGV_VERSION): Likewise.
2008-05-27 Bruno Haible <bruno@clisp.org>
Support for 64-bit mode on MacOS X 10.5.
* src/handler-macos.c (catch_exception_raise): Align the stack pointer
also on x86_64. Needed for MMX instructions.
* src/machfault-macos-i386.h: Choose among 64-bit and 32-bit flavours.
Use new names for the 32-bit flavour when possible.
* src/machfault-macos-powerpc.h: Choose among 64-bit and 32-bit
flavours.
* configure.ac (FAULT_CONTEXT, FAULT_CONTEXT_INCLUDE2): Choose
right flavour (ppc_thread_state_t/ppc_thread_state64_t or
i386_thread_state_t/x86_thread_state32_t/x86_thread_state64_t) at
compile time.
2008-05-18 Bruno Haible <bruno@clisp.org>
* m4/libtool.m4: Update from libtool-2.2.4.
* m4/ltoptions.m4: Likewise.
* m4/ltversion.m4: Likewise.
* m4/lt~obsolete.m4: Likewise.
* build-aux/ltmain.sh: Likewise.
2008-04-06 Bruno Haible <bruno@clisp.org>
* m4/libtool.m4: Update from libtool-2.2.2.
* m4/ltoptions.m4: New file, from libtool-2.2.2.
* m4/ltsugar.m4: New file, from libtool-2.2.2.
* m4/ltversion.m4: New file, from libtool-2.2.2.
* m4/lt~obsolete.m4: New file, from libtool-2.2.2.
* build-aux/ltmain.sh: New file, from libtool-2.2.2.
* configure.ac: Use LT_INIT instead of AC_PROG_LIBTOOL.
2007-11-16 Bruno Haible <bruno@clisp.org>
* src/fault-freebsd-i386.h (SIGSEGV_FAULT_STACKPOINTER): Use sc_rsp
also on x86_64-freebsd platform.
Reported by Dmitri Hrapof <hrapof@common-lisp.ru> and
Petr Salinger <Petr.Salinger@seznam.cz>.
2007-11-15 Bruno Haible <bruno@clisp.org>
* configure.ac (CFG_SIGNALS, CFG_FAULT): Port to i586-kfreebsd-gnu
and x86_64-kfreebsd-gnu.
* src/fault-freebsd-i386.h (SIGSEGV_FAULT_STACKPOINTER): Likewise.
Based on patch by Petr Salinger <Petr.Salinger@seznam.cz>.
2007-11-11 Bruno Haible <bruno@clisp.org>
* Version 2.5 released.
2007-11-11 Bruno Haible <bruno@clisp.org>
* configure.ac: Bump version number to 2.5.
* src/sigsegv.h.in (LIBSIGSEGV_VERSION): Likewise.
2007-10-28 Bruno Haible <bruno@clisp.org>
* src/handler-macos.c (catch_exception_raise): Align the new stack
pointer on a 16-byte boundary.
* src/handler-win32.c (main_exception_filter): Correct alignment:
%esp must be aligned to == -4 mod 16 upon function entry.
2007-10-28 Bruno Haible <bruno@clisp.org>
* src/sigsegv.h.in (stackoverflow_install_handler): Avoid comment
inside comment.
Reported by Chris Willmore <willmc@rpi.edu>.
2007-10-28 Bruno Haible <bruno@clisp.org>
* src/machfault-macos-powerpc.h (SIGSEGV_FAULT_ADDRESS,
SIGSEGV_STACK_POINTER, SIGSEGV_PROGRAM_COUNTER): Add __DARWIN_UNIX03
conditional.
* src/machfault-macos-i386.h (SIGSEGV_FAULT_ADDRESS,
SIGSEGV_STACK_POINTER, SIGSEGV_PROGRAM_COUNTER): Likewise.
* src/fault-macosdarwin7-powerpc.h (SIGSEGV_FAULT_STACKPOINTER):
Likewise.
* src/fault-macosdarwin7-powerpc.c (get_fault_addr): Likewise.
Reported by Chris Willmore <willmc@rpi.edu>.
2007-01-12 Bruno Haible <bruno@clisp.org>
* Makefile.am (check-next): Don't ask for reports from x86_64-*-linux*
platforms.
2006-07-14 Bruno Haible <bruno@clisp.org>
* m4/sigaltstack.m4 (SV_SIGALTSTACK): Use SIGSTKSZ instead of
hardcoding 16384.
* m4/sigaltstack-longjmp.m4 (SV_TRY_LEAVE_HANDLER_LONGJMP): Likewise.
* m4/sigaltstack-siglongjmp.m4 (SV_TRY_LEAVE_HANDLER_SIGLONGJMP):
Likewise.
* tests/stackoverflow1.c (main): Likewise.
* tests/stackoverflow2.c (main): Likewise.
* src/sigsegv.h.in (stackoverflow_install_handler): Update
recommendation for extra_stack_size.
Needed for ia64.
Reported by Peter Van Eynde <pvaneynd@users.sourceforge.net>.
2006-06-23 Bruno Haible <bruno@clisp.org>
* Version 2.4 released.
2006-06-23 Bruno Haible <bruno@clisp.org>
* configure.ac: Bump version number to 2.4.
* src/sigsegv.h.in (LIBSIGSEGV_VERSION): Likewise.
2006-06-17 Bruno Haible <bruno@clisp.org>
* src/Makefile.am (noinst_HEADERS): Add fault-netbsd.h.
2006-06-17 Bruno Haible <bruno@clisp.org>
* m4/sigaltstack.m4: Insert 'volatile' and pass a pointer, to defeat
GCC 4 optimizations.
* m4/sigaltstack-longjmp.m4: Likewise.
* m4/sigaltstack-siglongjmp.m4: Likewise.
2006-06-17 Bruno Haible <bruno@clisp.org>
* tests/stackoverflow1.c (recurse): Remove useless cast.
* tests/stackoverflow2.c (recurse): Likewise.
2006-06-17 Bruno Haible <bruno@clisp.org>
* src/stackvma-freebsd.c (sigsegv_get_vma): Test whether mincore()
works as expected before using it.
2006-03-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* m4/libtool.m4 (_LT_SYS_DYNAMIC_LINKER) [ linux ]: Avoid warning when
"parsing" /etc/ld.so.conf and empty /etc/ld.so.conf.d.
2006-06-13 Bruno Haible <bruno@clisp.org>
Make NetBSD/i386 stack overflow detection work even without mincore.
* src/fault-netbsd.h: New file.
* configure.ac (CFG_FAULT): Choose it when appropriate.
2006-05-16 Bruno Haible <bruno@clisp.org>
Don't allow the compiler to reorder instructions in the tests.
* tests/sigsegv1.c (crashes): Use volatile in pointer access.
* tests/sigsegv2.c (main): Likewise.
* tests/stackoverflow2.c (main): Likewise.
2006-05-14 Bruno Haible <bruno@clisp.org>
Exploit the mincore() system call where available.
* src/stackvma-mincore.c: New file.
* src/Makefile.am (EXTRA_DIST): Add it.
* src/stackvma.h: Add double-inclusion guard.
* src/stackvma-freebsd.c: If mincore() is available, include also
stackvma-mincore.c.
(sigsegv_get_vma): If mincore() is available, use it as fallback.
* src/stackvma-linux.c: If mincore() is available, include also
stackvma-mincore.c.
(sigsegv_get_vma): If mincore() is available, use it as fallback.
* src/stackvma-procfs.c: If mincore() is available, include also
stackvma-mincore.c.
(sigsegv_get_vma): If mincore() is available, use it as fallback.
* configure.ac: Test for mincore.
(CFG_STACKVMA): Set to stackvma-mincore.c if nothing else is available.
2006-05-14 Bruno Haible <bruno@clisp.org>
* src/stackvma-simple.c: New file, extracted from handler-unix.c.
* src/Makefile.am (EXTRA_DIST): Add it.
* src/stackvma-beos.c: Include stackvma-simple.c.
(sigsegv_get_vma): Fill the vma's is_near_this field.
* src/stackvma-freebsd.c: Include stackvma-simple.c.
(sigsegv_get_vma): Fill the vma's is_near_this field.
* src/stackvma-linux.c: Include stackvma-simple.c.
(sigsegv_get_vma): Fill the vma's is_near_this field.
* src/stackvma-mach.c: Include stackvma-simple.c.
(sigsegv_get_vma): Fill the vma's is_near_this field.
* src/stackvma-procfs.c: Include stackvma-simple.c.
(sigsegv_get_vma): Fill the vma's is_near_this field.
* src/stackvma.h (vma_struct): Add is_near_this field.
* src/handler-unix.c (sigsegv_handler): Use the vma's is_near_this
function.
2006-04-28 Bruno Haible <bruno@clisp.org>
* Version 2.3 released.
2006-04-28 Bruno Haible <bruno@clisp.org>
* configure.ac: Bump version number to 2.3.
* src/sigsegv.h.in (LIBSIGSEGV_VERSION): Likewise.
* build-aux/config.guess, build-aux/config.sub: Update to GNU version
2006-04-26.
* build-aux/install-sh: Update from automake-1.9.6.
* build-aux/missing: Likewise.
* build-aux/ltmain.sh: Update from libtool-1.5.22.
* m4/libtool.m4: Likewise.
2006-04-28 Bruno Haible <bruno@clisp.org>
* build-aux: Renamed from autoconf.
* configure.ac (AC_CONFIG_AUX_DIR): Set to build-aux.
2006-04-22 Bruno Haible <bruno@clisp.org>
* configure.ac: Renamed from configure.in.
2006-04-21 Bruno Haible <bruno@clisp.org>
* src/machfault-macos-i386.h: Rewritten for Darwin 8.6.1.
* configure.in: Change FAULT_CONTEXT for i?86-darwin.
2005-06-21 Paolo Bonzini <bonzini@gnu.org>
* configure.in: For handler-macos.c, include mach/thread_status.h.
* configure: Regenerate.
2005-06-21 Paolo Bonzini <bonzini@gnu.org>
* tests/stackoverflow1.c (recurse): Make more resilient to compiler
optimization.
(recurse_1): New.
* tests/stackoverflow2.c: Likewise.
2005-05-24 Bruno Haible <bruno@clisp.org>
* src/handler-win32.c (main_exception_filter): Copy CONTEXT structure
to safe area on the stack.
Based on patch by Doug Currie <e@flavors.com>.
* src/handler-win32.c (main_exception_filter): Swap arguments passed
to stack_overflow_handler.
Patch by Doug Currie <e@flavors.com>.
* src/handler-win32.c (main_exception_filter): Align %esp on a 16-byte
boundary.
2005-03-02 Bruno Haible <bruno@clisp.org>
* Version 2.2 released.
2005-03-02 Bruno Haible <bruno@clisp.org>
* autoconf/config.guess: Update.
* autoconf/config.sub: Update.
* autoconf/missing: Update from automake-1.9.5.
* m4/libtool.m4: Upgrade to libtool-1.5.14 with gettext modifications.
* autoconf/ltmain.sh: Likewise.
2005-03-02 Bruno Haible <bruno@clisp.org>
* src/fault-aix5.h: New file.
* src/fault-aix5-powerpc.h: New file.
* src/Makefile.am (noinst_HEADERS): Add them.
* configure.in: Choose them when the POSIX test succeeds on AIX.
* src/fault-aix3-powerpc.h: Renamed from src/fault-aix-powerpc.h.
* src/fault-aix3.h: Renamed from src/fault-aix.h.
* src/Makefile.am (noinst_HEADERS): Update.
* configure.in: Update. When cross-compiling, assume the AIX test
succeeds only on AIX 3 and AIX 4.
2005-03-01 Bruno Haible <bruno@clisp.org>
* configure.in: Fix test of CFG_MACHFAULT.
2005-02-27 Bruno Haible <bruno@clisp.org>
* configure.in: Skip tests that are not needed on MacOS X >= 10.2.
* m4/sigaltstack.m4 (SV_SIGALTSTACK): Don't perform the test on
MacOS X >= 10.2.
2005-02-18 Bruno Haible <bruno@clisp.org>
* tests/sigsegv1.c (handler_called): Declare as volatile.
* tests/sigsegv2.c (logcount, logdata): Likewise.
* tests/stackoverflow1.c (pass): Likewise.
* tests/stackoverflow2.c (pass): Likewise.
2005-01-29 Bruno Haible <bruno@clisp.org>
* src/sigsegv.h.in (LIBSIGSEGV_VERSION): New macro.
(libsigsegv_version): New declaration.
* src/version.c: New file.
* src/Makefile.am (libsigsegv_la_SOURCES): Add version.c.
* Makefile.msvc (OBJECTS): Add version.obj.
(version.obj): New rule.
Suggested by Sam Steingold.
2004-08-25 Bruno Haible <bruno@clisp.org>
* m4/libtool.m4: Upgrade to libtool-1.5.6.
* autoconf/ltmain.sh: Upgrade to libtool-1.5.6.
2004-08-18 Bruno Haible <bruno@clisp.org>
* configure.in: Bump version number to 2.2.
2004-08-17 Bruno Haible <bruno@clisp.org>
Finish the Mach-based MacOS X support.
* src/handler-macos.c: Don't include mach/vm_map.h.
Include machfault.h instead of fault.h.
(save_exc_state): Remove variable.
(save_thread_state): New variable.
(terminating_handler): New function.
(altstack_handler): Pass the save_thread_state, not the save_exc_state,
to the user's handler.
(catch_exception_raise): Make it work also for platforms which don't
have an exc_state type. Call SIGSEGV_FAULT_ADDRESS with 2 arguments.
Don't clobber the exc_state; instead set the thread's program counter
to terminating_handler or altstack_handler, depending on the case.
Return KERN_SUCCESS at the end.
* src/machfault.h: New file.
* src/machfault-macos-powerpc.h (SIGSEGV_FAULT_ADDRESS): Add a second
argument.
* src/machfault-macos-i386.h: New file.
* src/Makefile.am (EXTRA_DIST): Add handler-macos.c.
(NOINST_HEADERS): Add machfault.h, machfault-macos-i386.h,
machfault-macos-powerpc.h.
* configure.in (CFG_HANDLER): Initialize to empty.
(CFG_MACHFAULT): New substituted variable.
On MacOS X PowerPC+i386, use CFG_HANDLER=handler-macos.c
unconditionally.
(sv_cv_fault_include, sv_cv_have_stack_overflow_recovery): Set
correctly also in the handler-macos.c case.
2004-08-16 Bruno Haible <bruno@clisp.org>
Support for MacOS X 10.3 on PowerPC.
* src/fault-macosdarwin5-powerpc.h: Renamed from
src/fault-macos-powerpc.h.
* src/fault-macosdarwin5-powerpc.c: Renamed from
src/fault-macos-powerpc.c.
* src/fault-macosdarwin7-powerpc.h: New file.
* src/fault-macosdarwin7-powerpc.c: New file.
* src/Makefile.am (noinst_HEADERS): Update.
* configure.in: Test the method for MacOSX/Darwin5 PowerPC only after
the method for MacOSX/Darwin7 PowerPC failed.
Substitute FAULT_CONTEXT_INCLUDE2.
* src/sigsegv.h.in: Insert @FAULT_CONTEXT_INCLUDE2@.
* src/Makefile.am (sigsegv.h.msvc): Replace @FAULT_CONTEXT_INCLUDE2@.
2003-12-09 Paolo Bonzini <bonzini@gnu.org>
* src/handler-macos.c: Completed; removed dependency on
signals.
* src/machfault-macos-powerpc.h: Reorganized.
2003-12-08 Paolo Bonzini <bonzini@gnu.org>
Bruno Haible <bruno@clisp.org>
* src/handler-macos.c: New file.
* src/machfault.h: New file.
* src/machfault-macos-powerpc.h: New file.
2003-12-05 Bruno Haible <bruno@clisp.org>
* m4/fault.m4: Tweak indentation. Bump serial number.
* m4/getpagesize.m4: Likewise.
* m4/mmap-anon.m4: Likewise.
* m4/sigaltstack.m4: Likewise.
* m4/sigaltstack-longjmp.m4: Likewise.
* m4/sigaltstack-siglongjmp.m4: Likewise.
2003-12-05 Paolo Bonzini <bonzini@gnu.org>
* aclocal.m4: Regenerate with Automake 1.7h.
* configure.in: Drop m4/Makefile from list of generated files.
* configure: Regenerate.
* Makefile.am (install-data-hook): New name of the install-am
target, for Automake 1.8 compatibility. Other -am targets
are not affected because Automake does not have anything to
do to make them.
(AUTOMAKE_OPTIONS): Bump minimum Automake requirement to 1.7h.
(SUBDIRS): Remove m4.
($(srcdir)/config.h.msvc): New target for config.h.msvc.
* Makefile.in: Regenerate with Automake 1.7h.
* m4/Makefile.am: Delete, Automake 1.7h takes care of it.
* m4/Makefile.in: Delete.
* src/Makefile.am (installdirs): Delete, Automake 1.7h adds it.
* src/Makefile.in: Regenerate with Automake 1.7h.
* tests/Makefile.in: Regenerate with Automake 1.7h.
* autoconf/config.guess: Update from automake-1.7h.
* autoconf/config.sub: Likewise.
* autoconf/install.sh: Likewise.
* autoconf/missing: Likewise.
* autoconf/mkinstalldirs: Delete.
* m4/fault.m4: autoupdate and manually tweak.
* m4/sigaltstack.m4: Likewise.
* m4/sigaltstack-longjmp.m4: Likewise.
* m4/sigaltstack-siglongjmp.m4: Likewise.
* m4/mmap-anon.m4: Likewise.
* m4/getpagesize.m4: Likewise.
2003-10-29 Bruno Haible <bruno@clisp.org>
* tests/sigsegv1.c (main): Add a check whether mprotect with
PROT_READ_WRITE really works.
* tests/sigsegv2.c (main): Likewise.
Reported by Ullal Devappa Kini <wmbfqj@vsnl.net>.
2003-08-21 Bruno Haible <bruno@clisp.org>
* Version 2.1 released.
2003-06-24 Paolo Bonzini <bonzini@gnu.org>
* m4/fault.m4: Exit if we detect an infinite loop.
* aclocal.m4: Regenerate.
* configure: Regenerate.
2003-06-18 Bruno Haible <bruno@clisp.org>
* autoconf/install-sh: Update from automake-1.7.5.
2003-05-14 Paolo Bonzini <bonzini@gnu.org>
* configure.in: Use signals-bsd.h for OpenBSD and NetBSD too.
Support instruction decoding to get fault address for Alphas.
* src/fault-netbsd-alpha.h: New file.
* src/fault-netbsd-alpha.c: New file.
* src/Makefile.am (noinst_HEADERS): Add them.
2003-05-14 Paolo Bonzini <bonzini@gnu.org>
* src/dispatcher.c (insert): Fix lossage in 64-bit environments
(cast from void* to unsigned int).
2003-05-10 Bruno Haible <bruno@clisp.org>
* tests/Makefile.am (../src/libsigsegv.la): New rule.
* Makefile.msvc (handler.obj): Complete the dependencies.
(stackoverflow2.exe): New rule.
(check): Depend on it.
(clean): Remove it.
2003-05-10 Paolo Bonzini <bonzini@gnu.org>
Bruno Haible <bruno@clisp.org>
* configure.in: AC_SUBST of CFG_STACKVMA, CFG_LEAVE, CFG_HANDLER.
* src/Makefile.am: Add dependencies for the object files.
2003-05-08 Paolo Bonzini <bonzini@gnu.org>
* configure.in: Add $srcdir/ to #include statements. Needed when
builddir != srcdir.
* src/signals-macos.h (SIGSEGV_FOR_ALL_SIGNALS): Add SIGSEGV.
2003-05-03 Paolo Bonzini <bonzini@gnu.org>
* configure.in: Tweak 2003-04-26 patch so that it works on mingw32 and
Cygwin.
2003-05-02 Bruno Haible <bruno@clisp.org>
* src/handler-unix.c: Add special case for stack handling on IA-64.
* src/fault-linux-ia64.h: Complete the port.
* configure.in: Improve Linux/IA-64 support.
2003-05-01 Bruno Haible <bruno@clisp.org>
* configure.in: Don't use fault-hurd.h on NetBSD/alpha. It does not
work.
2003-05-01 Bruno Haible <bruno@clisp.org>
Support for Linux/HPPA.
* fault-linux-hppa.h: Don't include <siginfo.h>.
(SIGSEGV_FAULT_ADDRESS): Change.
(SIGSEGV_FAULT_ADDRESS_FROM_SIGINFO): Define it, otherwise the value
passed for sip is 0.
(SIGSEGV_FAULT_CONTEXT, SIGSEGV_FAULT_STACKPOINTER): Remove macros.
* configure.in: Improve Linux/HPPA support.
2003-05-01 Bruno Haible <bruno@clisp.org>
Support for OpenBSD/i386.
* src/fault-openbsd.h: New file.
* src/fault-openbsd-i386.h: New file.
* src/Makefile.am (noinst_HEADERS): Add them.
* configure.in: If the POSIX test works and the OS is OpenBSD, use
fault-openbsd.h instead of fault-posix.h.
2003-05-01 Bruno Haible <bruno@clisp.org>
* src/fault-hpux-hppa.h: Make it work on machines with 64-bit registers
as well.
* configure.in: Likewise.
2003-04-29 Bruno Haible <bruno@clisp.org>
* configure.in: Define HAVE_STACKVMA if CFG_STACKVMA is nontrivial.
* src/handler-unix.c: Test HAVE_STACKVMA instead of CFG_STACKVMA.
* m4/fault.m4 (SV_TRY_FAULT): On HP-UX, always pass 0 as first argument
of mmap().
* tests/mmaputil.h (mmap_zeromap): Likewise.
2003-04-28 Bruno Haible <bruno@clisp.org>
* src/stackvma-freebsd.c (sigsegv_get_vma): Fix logic error.
2002-04-17 Paolo Bonzini <bonzini@gnu.org>
Support for Cygwin.
* configure.in: Treat cygwin* like mingw*.
* src/handler-win32.c [CYGWIN] (exception_list, _except_list,
debug_get_except_list, cygwin_exception_handler,
libsigsegv_exception_handler, do_install_main_exception_filter): New
definitions.
(install_main_exception_filter): New function.
(sigsegv_install_handler, stackoverflow_install_handler): Call it.
2003-04-26 Bruno Haible <bruno@clisp.org>
* configure.in: Don't set sv_cv_have_stack_overflow_recovery=yes if
not all of the fault-*.h and stackvma-*.h premises are fulfilled.
Reported by Paolo Bonzini <bonzini@gnu.org> for NetBSD/Alpha.
2003-04-03 Bruno Haible <bruno@clisp.org>
* configure.in: Add --enable-relocatable option.
* m4/relocatable.m4: New file, from GNU gettext.
* m4/Makefile.am (EXTRA_DIST): Add it.
* m4/libtool.m4: Update from GNU gettext, based on libtool-1.4.3.
* autoconf/ltmain.sh: Likewise.
2003-04-02 Bruno Haible <bruno@clisp.org>
* configure.in: Bump version number to 2.1.
* tests/stackoverflow2.c: New file, based on code by Paolo Bonzini.
* tests/Makefile.am (TESTS, noinst_PROGRAMS): Add stackoverflow2.
2003-04-02 Paolo Bonzini <bonzini@gnu.org>
Bruno Haible <bruno@clisp.org>
Complete the port to MacOS X (Darwin).
* m4/fault.m4: Include sys/signal.h. Have an exit status of 3 instead
of 1 if fault_address is misdetected.
* m4/sigaltstack.m4: Define stack_t to struct sigaltstack if absent.
Include <sys/signal.h>.
* configure.in: Add check for sys/signal.h.
Add support for catching stack overflow on MacOSX.
Add support for MacOSX on i386.
Provide a fallback for SS_ONSTACK before using it.
* src/fault-macos-i386.h: New file.
* src/stackvma-mach.c: New file.
* src/fault-macos-powerpc.h (SIGSEGV_FAULT_STACKPOINTER): Change.
* src/handler-unix.c: Include <sys/signal.h>.
(SS_DISABLE): Provide a fallback.
* src/leave-sigaltstack.c: Include sys/signal.h.
(SS_ONSTACK): Provide a fallback.
* src/Makefile.am (noinst_HEADERS): Add fault-macos-i386.h.
(EXTRA_DIST): Add stackvma-mach.c.
* tests/sigsegv1.c: Abort after 10 handler invocations.
(main): Drop SKIP message, now emitted by automake 1.7.x.
* tests/sigsegv2.c: Abort after 10 handler invocations.
(main): Drop SKIP message, now emitted by automake 1.7.x.
* tests/stackoverflow1.c (main): Drop SKIP message, now emitted by
automake 1.7.x.
2002-10-14 Bruno Haible <bruno@clisp.org>
* src/fault-none.h: New file.
* src/fault.h: Include CFG_FAULT unconditionally.
* src/leave-none.c: New file.
* src/leave.c: Include CFG_LEAVE unconditionally.
* src/stackvma.c: Include CFG_STACKVMA unconditionally.
* configure.in (CFG_LEAVE, CFG_STACKVMA): Define always.
* src/Makefile.am (noinst_HEADERS): Add fault-none.h.
(EXTRA_DIST): Add leave-none.c.
Reported by Paolo Bonzini <bonzini@gnu.org>.
2002-09-30 Bruno Haible <bruno@clisp.org>
* src/Makefile.am (noinst_HEADERS): Add fault-hurd.h,
fault-linux-m68k.c, fault-macos-powerpc.h, fault-macos-powerpc.c,
signals-hurd.h, signals-macos.h.
2002-09-30 Bruno Haible <bruno@clisp.org>
* Makefile.am (check-next): Don't ask for reports from i?86-*-linux*
platforms.
2002-09-30 Bruno Haible <bruno@clisp.org>
Better Linux/PowerPC support.
* configure.in: Change Linux/PowerPC support.
* src/fault-linux-powerpc.h (SIGSEGV_FAULT_ADDRESS): New macro.
2002-09-30 Bruno Haible <bruno@clisp.org>
Better Linux/m68k support.
* configure.in: Change Linux/m68k support.
* src/fault-linux-m68k.c: New file.
* src/fault-linux-m68k.h: Use it.
2002-09-30 Bruno Haible <bruno@clisp.org>
Tentative Hurd support.
* configure.in: Add Hurd support.
* src/signals-hurd.h: New file.
* src/fault-hurd.h: New file.
2002-09-30 Bruno Haible <bruno@clisp.org>
MacOSX/PowerPC support.
* configure.in: Add MacOSX/PowerPC support.
* src/signals-macos.h: New file.
* src/fault-macos-powerpc.c: New file.
* src/fault-macos-powerpc.h: New file.
2002-09-16 Bruno Haible <bruno@clisp.org>
* src/fault-posix.h: Don't include <siginfo.h>. Needed for hppa-linux.
Reported by Will Newton <will@misconception.org.uk>.
2002-08-28 Bruno Haible <bruno@clisp.org>
* Version 2.0 released.
2002-07-28 Bruno Haible <bruno@clisp.org>
Big reorganization and rewrite. Every file changed.
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