crtstuff.c (USE_EH_FRAME_REGISTRY): Let USE_EH_FRAME_REGISTRY_ALWAYS override USE_PT_GNU_EH_FRAME.
* crtstuff.c (USE_EH_FRAME_REGISTRY): Let USE_EH_FRAME_REGISTRY_ALWAYS override USE_PT_GNU_EH_FRAME. [__LIBGCC_EH_FRAME_SECTION_NAME__ && !USE_PT_GNU_EH_FRAME]: Sanity- check USE_EH_FRAME_REGISTRY_ALWAYS against __LIBGCC_EH_FRAME_SECTION_NAME__, emit error if unsane. * Makefile.in (FORCE_EXPLICIT_EH_REGISTRY): New variable for substituted force_explicit_eh_registry. (CRTSTUFF_CFLAGS): Add FORCE_EXPLICIT_EH_REGISTRY. * configure.ac (explicit-exception-frame-registration): New AC_ARG_ENABLE. * configure: Regenerate. From-SVN: r215443
This commit is contained in:
Hans-Peter Nilsson
Hans-Peter Nilsson
parent
794eb939b9
commit
598a158681
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@ -1,3 +1,17 @@
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2014-09-22 Hans-Peter Nilsson <hp@axis.com>
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* crtstuff.c (USE_EH_FRAME_REGISTRY): Let USE_EH_FRAME_REGISTRY_ALWAYS
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override USE_PT_GNU_EH_FRAME.
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[__LIBGCC_EH_FRAME_SECTION_NAME__ && !USE_PT_GNU_EH_FRAME]: Sanity-
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check USE_EH_FRAME_REGISTRY_ALWAYS against
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__LIBGCC_EH_FRAME_SECTION_NAME__, emit error if unsane.
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* Makefile.in (FORCE_EXPLICIT_EH_REGISTRY): New
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variable for substituted force_explicit_eh_registry.
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(CRTSTUFF_CFLAGS): Add FORCE_EXPLICIT_EH_REGISTRY.
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* configure.ac (explicit-exception-frame-registration):
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New AC_ARG_ENABLE.
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* configure: Regenerate.
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2014-09-19 Olivier Hainque <hainque@adacore.com>
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* config.host (powerpc-wrs-vxworksmils): New configuration,
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@ -50,6 +50,8 @@ target_noncanonical = @target_noncanonical@
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# The rules for compiling them should be in the t-* file for the machine.
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EXTRA_PARTS = @extra_parts@
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FORCE_EXPLICIT_EH_REGISTRY = @force_explicit_eh_registry@
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extra-parts = libgcc-extra-parts
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# Multilib support variables.
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@ -283,7 +285,7 @@ INTERNAL_CFLAGS = $(CFLAGS) $(LIBGCC2_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \
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CRTSTUFF_CFLAGS = -O2 $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -g0 \
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-finhibit-size-directive -fno-inline -fno-exceptions \
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-fno-zero-initialized-in-bss -fno-toplevel-reorder -fno-tree-vectorize \
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-fbuilding-libgcc -fno-stack-protector \
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-fbuilding-libgcc -fno-stack-protector $(FORCE_EXPLICIT_EH_REGISTRY) \
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$(INHIBIT_LIBC_CFLAGS)
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# Extra flags to use when compiling crt{begin,end}.o.
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@ -566,6 +566,7 @@ sfp_machine_header
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set_use_emutls
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set_have_cc_tls
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vis_hide
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force_explicit_eh_registry
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fixed_point
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enable_decimal_float
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decimal_float
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@ -664,6 +665,7 @@ with_build_libsubdir
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enable_decimal_float
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with_system_libunwind
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enable_sjlj_exceptions
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enable_explicit_exception_frame_registration
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enable_tls
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'
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ac_precious_vars='build_alias
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@ -1301,6 +1303,10 @@ Optional Features:
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to use
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--enable-sjlj-exceptions
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force use of builtin_setjmp for exceptions
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--enable-explicit-exception-frame-registration
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register exception tables explicitly at module
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start, for use e.g. for compatibility with
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installations without PT_GNU_EH_FRAME support
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--enable-tls Use thread-local storage [default=yes]
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Optional Packages:
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@ -4270,6 +4276,22 @@ no)
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;;
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esac
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# Check whether --enable-explicit-exception-frame-registration was given.
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if test "${enable_explicit_exception_frame_registration+set}" = set; then :
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enableval=$enable_explicit_exception_frame_registration;
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force_explicit_eh_registry=
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if test "$enable_explicit_exception_frame_registration" = yes; then
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if test "$enable_sjlj_exceptions" = yes; then
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as_fn_error "Can't enable both of --enable-sjlj-exceptions
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and --enable-explicit-exception-frame-registration" "$LINENO" 5
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fi
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force_explicit_eh_registry=-DUSE_EH_FRAME_REGISTRY_ALWAYS
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fi
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5
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$as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; }
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if test "${acl_cv_prog_gnu_ld+set}" = set; then :
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@ -262,6 +262,22 @@ no)
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;;
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esac
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AC_ARG_ENABLE([explicit-exception-frame-registration],
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[AC_HELP_STRING([--enable-explicit-exception-frame-registration],
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[register exception tables explicitly at module start, for use
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e.g. for compatibility with installations without PT_GNU_EH_FRAME support])],
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[
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force_explicit_eh_registry=
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if test "$enable_explicit_exception_frame_registration" = yes; then
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if test "$enable_sjlj_exceptions" = yes; then
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AC_MSG_ERROR([Can't enable both of --enable-sjlj-exceptions
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and --enable-explicit-exception-frame-registration])
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fi
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force_explicit_eh_registry=-DUSE_EH_FRAME_REGISTRY_ALWAYS
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fi
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])
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AC_SUBST([force_explicit_eh_registry])
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AC_LIB_PROG_LD_GNU
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AC_MSG_CHECKING([for thread model used by GCC])
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@ -131,7 +131,12 @@ call_ ## FUNC (void) \
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# define USE_PT_GNU_EH_FRAME
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#endif
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#if defined(__LIBGCC_EH_FRAME_SECTION_NAME__) && !defined(USE_PT_GNU_EH_FRAME)
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#ifdef USE_EH_FRAME_REGISTRY_ALWAYS
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# ifndef __LIBGCC_EH_FRAME_SECTION_NAME__
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# error "Can't use explicit exception-frame-registration without __LIBGCC_EH_FRAME_SECTION_NAME__"
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# endif
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#endif
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#if defined(__LIBGCC_EH_FRAME_SECTION_NAME__) && (!defined(USE_PT_GNU_EH_FRAME) || defined(USE_EH_FRAME_REGISTRY_ALWAYS))
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# define USE_EH_FRAME_REGISTRY
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#endif
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#if defined(__LIBGCC_EH_FRAME_SECTION_NAME__) \
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