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Diffstat (limited to 'libsigsegv/ChangeLog.1')
| -rw-r--r-- | libsigsegv/ChangeLog.1 | 295 |
1 files changed, 295 insertions, 0 deletions
diff --git a/libsigsegv/ChangeLog.1 b/libsigsegv/ChangeLog.1 new file mode 100644 index 00000000..e3a1d79c --- /dev/null +++ b/libsigsegv/ChangeLog.1 @@ -0,0 +1,295 @@ +2002-07-15 Bruno Haible <bruno@clisp.org> + + * sigsegv.h.in (HAVE_STACK_OVERFLOW_RECOVERY): Define also on FreeBSD. + (stackoverflow_context_t): Define as 'struct sigcontext *' on FreeBSD. + * handler.c (SIGSEGV_ALL_SIGNALS) [FreeBSD]: Add SIGSEGV; this is the + signal that gets sent on stack overflow. + (get_vma) [FreeBSD]: New. + (reset_onstack_flag) [FreeBSD]: New . + +2002-05-07 Paolo Bonzini <bonzini@gnu.org> + + * sigsegv.h.in [__hpux, hpux]: Define HAVE_SIGSEGV_RECOVERY. + * handler.c (UNIX_HPUX) [__hpux, hpux]: New macro. + Define the hacks to access CR21. + * test1.c (mmap_zeromap): Return the address. + (handler): Don't hardcode the correct fault address. + (main): Set page to the result of mmap_zeromap. + * test2.c (mmap_zeromap): Return the address. + (main): Set area1/area2/area3 to the result of mmap_zeromap. + +2002-05-06 Bruno Haible <bruno@clisp.org> + + * test1.c: Include <stdlib.h>, for exit(). + * test2.c: Likewise. + * test3.c: Likewise. + +2002-04-28 Bruno Haible <bruno@clisp.org> + + * Makefile.devel (ACLOCAL): Remove variable. + (ACSELECT): Remove variable. + (OTHERMACROS): Remove variable. + (m4/*.m4): New rules. + (autoconf/aclocal.m4): Construct using aclocal instead of acselect. + +2001-08-25 Bruno Haible <haible@clisp.cons.org> + + Upgrade to autoconf-2.52. + * autoconf/autoconf: Upgrade to autoconf-2.52. + * autoconf/acgeneral.m4: Remove file. + * autoconf/acspecific.m4: Remove file. + * autoconf/autoconf.m4f: New file, from autoconf-2.52. + * autoconf/aclocal.m4: Require autoconf-2.52. + (CL_CANONICAL_HOST): Call AC_CANONICAL_HOST. Don't cache the result, + AC_CANONICAL_HOST does it itself. Add $SHELL in front of + $ac_config_guess and $ac_config_sub. + (CL_SIGACTION_REINSTALL): Include <string.h>, for memset declaration. + * Makefile.devel (AUTOCONF_FILES): Remove acgeneral.m4, acspecific.m4. + Add autoconf.m4f. + (configure): Use autoconf options -A, -l instead of -m. + * config.h.in: Don't define HAVE_MEMSET. + (MPROTECT_CONST, SETRLIMIT_CONST): Use #undef, not #define, to work + around an autoconf bug. + +2001-08-05 Bruno Haible <haible@clisp.cons.org> + + * autoconf/acgeneral.m4 (AC_MSG_RESULTPROTO): Remove macro. + (AC_LANG_EXTERN): Move to aclocal.m4. + * autoconf/aclocal.m4 (AC_LANG_EXTERN): Moved here from acgeneral.m4. + (CL_PROTO): Use AC_MSG_RESULT directly, instead of AC_MSG_RESULTPROTO. + (CL_SILENT): No need to pushdef AC_MSG_RESULTPROTO. + +2001-06-08 Bruno Haible <haible@clisp.cons.org> + + * autoconf/ltmain.sh: Upgrade to libtool-1.4. + * autoconf/ltconfig: Remove file. + +2001-06-08 Bruno Haible <haible@clisp.cons.org> + + * autoconf/config.guess: Update to GNU version 2001-05-11. + * autoconf/config.sub: Likewise. + +2001-05-09 Bruno Haible <haible@clisp.cons.org> + + * sigsegv.h.in: Recognize __arm__ as CPU indicator on Linux. + * handler.c: Likewise. + +2001-03-19 Bruno Haible <haible@clisp.cons.org> + + * autoconf/aclocal.m4 (CL_CANONICAL_HOST): Always define + ac_config_guess and ac_config_sub. Then ignore requests for + AC_CONFIG_AUX_DIR_DEFAULT or AC_CANONICAL_HOST. + +2001-03-19 Bruno Haible <haible@clisp.cons.org> + + * ltconfig, ltmain.sh: Upgrade to libtool-1.3.5. + +2001-02-20 Bruno Haible <haible@clisp.cons.org> + + * Makefile.in (libdir, includedir): Use the autoconf determined value, + in order to respect the configure arguments. + (mandir): Remove unused variable. + * Makefile.msvc (mandir): LIkewise. + + * Makefile.in (install, installdirs, uninstall): Support DESTDIR. + +2000-12-08 Bruno Haible <haible@clisp.cons.org> + + * Makefile.in (exec_prefix): Use configure's --exec-prefix argument. + +2000-11-15 Bruno Haible <haible@clisp.cons.org> + + * Makefile.msvc: Add support for MFLAGS and DEBUG parameters. + +2000-11-12 Bruno Haible <haible@clisp.cons.org> + + * autoconf/config.guess, autoconf/config.sub: Upgrade to newest + version from GNU CVS. + +2000-11-08 Bruno Haible <haible@clisp.cons.org> + + * aclocal.m4 (CL_SIGNAL_UNBLOCK): Enable 'volatile' for gotsig, + wasblocked. + (CL_SIGNAL_BLOCK_OTHERS): Enable 'volatile' for gotsig, + somewereblocked. + (CL_SIGACTION_UNBLOCK): Enable 'volatile' for gotsig, wasblocked. + +2000-09-29 Bruno Haible <haible@clisp.cons.org> + + * autoconf/aclocal.m4 (CL_CANONICAL_HOST): Fix bug in 2000-05-23 + change. + +2000-05-29 Bruno Haible <haible@clisp.cons.org> + + * autoconf/aclocal.m4 (CL_PROG_INSTALL): Fix typo. + Reported by Thomas Klausner <wiz@danbala.ifoer.tuwien.ac.at>. + +2000-05-25 Bruno Haible <haible@clisp.cons.org> + + * Makefile.msvc: Use 'copy' and 'ren' instead of 'cp' and 'mv'. + +2000-05-23 Bruno Haible <haible@clisp.cons.org> + + * autoconf/aclocal.m4 (CL_CANONICAL_HOST): Determine host_cpu, + host_vendor, host_os correctly if $host has more than two hyphens. + +2000-04-02 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> + + Allow building on filesystems lacking symlinks and hard links. + * Makefile.devel (autoconf/aclocal.m4): Replace AC_PROG_LN_S with + CL_PROG_LN_S. + * configure.in: Add CL_PROG_LN_S. + * src/Makefile.in (LN): Remove. + +1999-06-18 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> + + * handler.c (user_handler): Define also on WIN32. + +1999-06-16 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> + + * sigsegv.h.in (stackoverflow_context_t): More precise definition on + Solaris, Irix, OSF/1. + +1999-05-30 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> + + * Makefile.in (install-lib): New target. + +1999-05-29 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> + + * Makefile.in (install): Make sure the directories $(prefix) and + $(exec_prefix) exist. + +1999-05-16 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> + + Libtoolify. + * autoconf/ltconfig, autoconf/ltmain.sh: New files, from libtool-1.2. + * Makefile.devel (OTHERMACROS): New macro. + (autoconf/aclocal.m4): Add the contents of $(OTHERMACROS). + * configure.in: Call CL_CANONICAL_HOST and AM_PROG_LIBTOOL. + * Makefile.in (LIBTOOL, LIBTOOL_COMPILE, LIBTOOL_LINK, + LIBTOOL_INSTALL, LIBTOOL_UNINSTALL): New macros. + (top_builddir): New macro. + (OBJECTS): Change .o to .lo. + (all): Change .a to .la. + (handler.lo): Renamed from handler.o. Use $(LIBTOOL_COMPILE). + (dispatcher.lo): Renamed from dispatcher.o. Use $(LIBTOOL_COMPILE). + (libsigsegv.la): Renamed from libsigsegv.a. Use $(LIBTOOL_LINK). + (install): Use $(LIBTOOL_INSTALL). Copy ./sigsegv.h not + $(srcdir)/sigsegv.h. + (uninstall): Use $(LIBTOOL_UNINSTALL). + (test1, test2, test3): Change .a to .la. Use $(LIBTOOL_LINK). + (clean): Also remove *.lo *.la .libs _libs. + (distclean): Also remove libtool. + +1999-05-16 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> + + For Linux 2.0.x with glibc2.0. + * aclocal.m4 (CL_SIGALTSTACK): Define HAVE_SIGALTSTACK only if the + sigaction flags macro SA_ONSTACK is also defined. + +1999-05-15 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> + + For DEC OSF/1 3.2. + * sigsegv.h.in (HAVE_STACK_OVERFLOW_RECOVERY): Undefine if test3 + doesn't work. + * Makefile.in (SEDPREPARE0, SEDCOMMAND3): New macros. + (sigsegv.h): Also try running test3. + +1999-05-09 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> + + * sigsegv.h.in (HAVE_STACK_OVERFLOW_RECOVERY): Also define on Solaris, + Irix, OSF/1. + * handler.c: Use symbolic UNIX_* macros for various Unix brands. + (SIGSEGV_FAULT_HANDLER_ARGLIST, SIGSEGV_ALL_SIGNALS): Define also + when HAVE_SIGSEGV_RECOVERY is not defined. Add support for + Linux/m68k, Linux/mips, Linux/alpha, Linux/arm. + (SIGSEGV_FAULT_CONTEXT, SIGSEGV_FAULT_STACKPOINTER): New macros. + (get_vma) [UNIX_LINUX]: No need to initialize prev twice. + (reset_onstack_flag) [UNIX_LINUX]: New function. + (get_vma, reset_onstack_flag) [UNIX_SUNOS, UNIX_IRIX, UNIX_OSF]: New + functions. + (sigsegv_leave_handler): If SIGACTION_NEED_UNBLOCK is defined, + unblock the signal itself. Call reset_onstack_flag. + (stackoverflow_deinstall_handler): Print something if sigaltstack + fails. + * aclocal.m4 (CL_SIGNAL_UNBLOCK, CL_SIGNAL_BLOCK_OTHERS, + CL_SIGACTION_UNBLOCK): Perform the test if either POSIX or BSD + signal mask primitives are available. Otherwise, + SIGACTION_NEED_UNBLOCK would not be defined on Solaris. + +1999-05-07 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> + + * test3.c (main): Make more verbose. + + Avoid a "make check" failure with "cc" on DEC OSF/1 4.0. + * test2.c (barrier): New function. + (main): Call it at the right moment. + + * Makefile.in (SEDPREPARE1, SEDCOMMAND2): Don't use # as literal. + Only GNU make understands \#, other `make's don't. + +1999-05-02 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> + + Support for catching stack overflow on Unix, using sigaltstack(). + * aclocal.m4 (CL_SIGALTSTACK): New macro. + * configure.in: Add CL_SIGALTSTACK and CL_RLIMIT. + * config.h.in: Add HAVE_SIGALTSTACK, HAVE_SETRLIMIT, + RLIMIT_RESOURCE_T, SETRLIMIT_CONST. + * Makefile.in (SEDPREPARE1, SEDCOMMAND1, SEDCOMMAND2): New macros. + (sigsegv.h): Use them. Depend on config.h. + * sigsegv.h.in: Test __linux__ instead of linux. + Conditionally define HAVE_STACK_OVERFLOW_RECOVERY for Linux. + (sigsegv_handler_t): Add `serious' argument. + (stackoverflow_context_t): New type. + (stackoverflow_handler_t, stackoverflow_install_handler, + stackoverflow_deinstall_handler): Declare unconditionally. + (stackoverflow_handler_t): Add `scp' argument. + (stackoverflow_install_handler): Change return type to `int'. + * handler.c: Test __linux__ instead of linux. + Move Win32 section to the end. + On Unix, install SIGSEGV handler if HAVE_SIGSEGV_RECOVERY or + HAVE_STACK_OVERFLOW_RECOVERY. + (vma_struct): New type. + (get_vma): New function. + (SIGSEGV_FAULT_CONTEXT, SIGSEGV_FAULT_STACKPOINTER): New macros. + (stack_top): New variable. + (remember_stack_top): New function. + (stk_user_handler, stk_extra_stack, stk_extra_stack_size): New + variables. + (no_user_handler): Remove, use NULL instead. + (sigsegv_handler): Extend to support HAVE_STACK_OVERFLOW_RECOVERY. + (install_for): Add SA_ONSTACK to sigaction flags if needed. + (sigsegv_deinstall_handler): Deinstall handlers only if + not needed for stk_user_handler. + (stackoverflow_install_handler, stackoverflow_deinstall_handler): + New functions. + (stack_overflow_handler) [WIN32]: Add context argument. + (main_exception_filter): Pass context argument. + * test1.c (handler): Add `serious' argument. + * test2.c (handler): Likewise. + * test3.c (stackoverflow_handler): Add `scp' argument. Use + sigsegv_leave_handler instead of complicated #ifdef spaghetti. + (main): Call setrlimit, to make sure the recursion doesn't kill the + machine. If stackoverflow_install_handler returns -1, bypass the + test, because it would crash. + +1999-03-15 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> + + * configure.in: Add CL_CC_GCC. + * Makefile.in: Use "-x none" option where appropriate. + * dispatcher.c: In C++ mode, don't define a function named `delete'. + +1999-02-08 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> + + * sigsegv/sigsegv.h.in: Renamed from sigsegv/sigsegv.h. + Added "#undef HAVE_SIGSEGV_RECOVERY", commented out. + * Makefile.in (sigsegv.h): Try compiling and running test1. If it + fails, like on Solaris 2.5 and 2.5.1, uncomment "#undef + HAVE_SIGSEGV_RECOVERY". + * Makefile.msvc: Update. + +1999-01-29 Bruno Haible <bruno@linuix.math.u-bordeaux.fr> + + * sigsegv.h [linux && sparc]: Disable HAVE_SIGSEGV_RECOVERY. It does + not work any more. + |