diff options
| -rw-r--r-- | Makeconfig | 3 | ||||
| -rw-r--r-- | config.make.in | 1 | ||||
| -rwxr-xr-x | configure | 40 | ||||
| -rw-r--r-- | configure.in | 21 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/bits/mathinline.h | 6 |
5 files changed, 66 insertions, 5 deletions
diff --git a/Makeconfig b/Makeconfig index 08069dbc7e..07d0877d35 100644 --- a/Makeconfig +++ b/Makeconfig @@ -720,8 +720,11 @@ endif ifndef ASFLAGS ifeq ($(have-cpp-asm-debuginfo),yes) ASFLAGS := $(filter -g%,$(CFLAGS)) +else +ASFLAGS := endif endif +ASFLAGS += $(ASFLAGS-config) +gnu-stabs = $(shell echo>&2 '*** BARF ON ME') diff --git a/config.make.in b/config.make.in index e9c234a7a6..38a342515d 100644 --- a/config.make.in +++ b/config.make.in @@ -87,6 +87,7 @@ CC = @CC@ CXX = @CXX@ BUILD_CC = @BUILD_CC@ CFLAGS = @CFLAGS@ +ASFLAGS-config = @ASFLAGS_config@ AR = @AR@ RANLIB = @RANLIB@ MAKEINFO = @MAKEINFO@ @@ -312,7 +312,7 @@ ac_includes_default="\ # include <unistd.h> #endif" -ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS with_fp with_cvs enable_check_abi oldest_abi subdirs force_install all_warnings build build_cpu build_vendor build_os host host_cpu host_vendor host_os base_machine sysnames INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA LN_S CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC OBJEXT BUILD_CC cross_compiling CPP CXX CXXFLAGS ac_ct_CXX AR OBJDUMP RANLIB ac_ct_RANLIB MIG AS LD PWD_P MAKE MSGFMT MAKEINFO SED AUTOCONF CCVERSION SYSINCLUDES libc_cv_gcc_static_libgcc BASH libc_cv_have_bash2 KSH libc_cv_have_ksh AWK PERL INSTALL_INFO OLD_DEBIAN_INSTALL_INFO BISON VERSIONING libc_cv_asm_protected_directive libc_cv_initfinit_array libc_cv_z_nodelete libc_cv_z_nodlopen libc_cv_z_initfirst libc_cv_Bgroup libc_cv_z_combreloc libc_cv_have_initfini libc_cv_cpp_asm_debuginfo no_whole_archive exceptions LIBGD EGREP sizeof_long_double libc_cv_gcc_unwind_find_fde uname_sysname uname_release uname_version old_glibc_headers libc_cv_slibdir libc_cv_localedir libc_cv_sysconfdir libc_cv_rootsbindir use_ldconfig ldd_rewrite_script gnu_ld gnu_as elf xcoff static shared pic_default profile omitfp bounded static_nss nopic_initfini DEFINES linux_doors mach_interface_list VERSION RELEASE LIBOBJS LTLIBOBJS' +ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS with_fp with_cvs enable_check_abi oldest_abi subdirs force_install all_warnings build build_cpu build_vendor build_os host host_cpu host_vendor host_os base_machine sysnames INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA LN_S CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC OBJEXT BUILD_CC cross_compiling CPP CXX CXXFLAGS ac_ct_CXX AR OBJDUMP RANLIB ac_ct_RANLIB MIG AS LD PWD_P MAKE MSGFMT MAKEINFO SED AUTOCONF CCVERSION SYSINCLUDES libc_cv_gcc_static_libgcc BASH libc_cv_have_bash2 KSH libc_cv_have_ksh AWK PERL INSTALL_INFO OLD_DEBIAN_INSTALL_INFO BISON VERSIONING libc_cv_asm_protected_directive libc_cv_initfinit_array libc_cv_z_nodelete libc_cv_z_nodlopen libc_cv_z_initfirst libc_cv_Bgroup ASFLAGS_config libc_cv_z_combreloc libc_cv_have_initfini libc_cv_cpp_asm_debuginfo no_whole_archive exceptions LIBGD EGREP sizeof_long_double libc_cv_gcc_unwind_find_fde uname_sysname uname_release uname_version old_glibc_headers libc_cv_slibdir libc_cv_localedir libc_cv_sysconfdir libc_cv_rootsbindir use_ldconfig ldd_rewrite_script gnu_ld gnu_as elf xcoff static shared pic_default profile omitfp bounded static_nss nopic_initfini DEFINES linux_doors mach_interface_list VERSION RELEASE LIBOBJS LTLIBOBJS' ac_subst_files='' # Initialize some variables set by options. @@ -5350,6 +5350,43 @@ echo "$as_me:$LINENO: result: $libc_cv_Bgroup" >&5 echo "${ECHO_T}$libc_cv_Bgroup" >&6 + ASFLAGS_config= + echo "$as_me:$LINENO: checking whether --noexecstack is desirable for .S files" >&5 +echo $ECHO_N "checking whether --noexecstack is desirable for .S files... $ECHO_C" >&6 +if test "${libc_cv_as_noexecstack+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat > conftest.c <<EOF +void foo (void) { } +EOF + if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS + -S -o conftest.s conftest.c 1>&5' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } \ + && grep -q .note.GNU-stack conftest.s \ + && { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -Wa,--noexecstack + -c -o conftest.o conftest.s 1>&5' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } + then + libc_cv_as_noexecstack=yes + else + libc_cv_as_noexecstack=no + fi + rm -f conftest* +fi +echo "$as_me:$LINENO: result: $libc_cv_as_noexecstack" >&5 +echo "${ECHO_T}$libc_cv_as_noexecstack" >&6 + if test $libc_cv_as_noexecstack = yes; then + ASFLAGS_config="$ASFLAGS_config -Wa,--noexecstack" + fi + echo "$as_me:$LINENO: checking for -z combreloc" >&5 echo $ECHO_N "checking for -z combreloc... $ECHO_C" >&6 if test "${libc_cv_z_combreloc+set}" = set; then @@ -7770,6 +7807,7 @@ s,@libc_cv_z_nodelete@,$libc_cv_z_nodelete,;t t s,@libc_cv_z_nodlopen@,$libc_cv_z_nodlopen,;t t s,@libc_cv_z_initfirst@,$libc_cv_z_initfirst,;t t s,@libc_cv_Bgroup@,$libc_cv_Bgroup,;t t +s,@ASFLAGS_config@,$ASFLAGS_config,;t t s,@libc_cv_z_combreloc@,$libc_cv_z_combreloc,;t t s,@libc_cv_have_initfini@,$libc_cv_have_initfini,;t t s,@libc_cv_cpp_asm_debuginfo@,$libc_cv_cpp_asm_debuginfo,;t t diff --git a/configure.in b/configure.in index c415f37de7..d241dada60 100644 --- a/configure.in +++ b/configure.in @@ -1313,6 +1313,27 @@ EOF rm -f conftest*]) AC_SUBST(libc_cv_Bgroup) + ASFLAGS_config= + AC_CACHE_CHECK(whether --noexecstack is desirable for .S files, + libc_cv_as_noexecstack, [dnl + cat > conftest.c <<EOF +void foo (void) { } +EOF + if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS + -S -o conftest.s conftest.c 1>&AS_MESSAGE_LOG_FD]) \ + && grep -q .note.GNU-stack conftest.s \ + && AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS -Wa,--noexecstack + -c -o conftest.o conftest.s 1>&AS_MESSAGE_LOG_FD]) + then + libc_cv_as_noexecstack=yes + else + libc_cv_as_noexecstack=no + fi + rm -f conftest*]) + if test $libc_cv_as_noexecstack = yes; then + ASFLAGS_config="$ASFLAGS_config -Wa,--noexecstack" + fi + AC_SUBST(ASFLAGS_config) AC_CACHE_CHECK(for -z combreloc, libc_cv_z_combreloc, [dnl cat > conftest.c <<EOF diff --git a/sysdeps/i386/fpu/bits/mathinline.h b/sysdeps/i386/fpu/bits/mathinline.h index 6274824063..21ae218c62 100644 --- a/sysdeps/i386/fpu/bits/mathinline.h +++ b/sysdeps/i386/fpu/bits/mathinline.h @@ -534,11 +534,10 @@ ldexp (double __x, int __y) __THROW # ifdef __FAST_MATH__ __inline_mathcodeNP (expm1, __x, __expm1_code) -# endif /* We cannot rely on M_SQRT being defined. So we do it for ourself here. */ -# define __M_SQRT2 1.41421356237309504880L /* sqrt(2) */ +# define __M_SQRT2 1.41421356237309504880L /* sqrt(2) */ __inline_mathcodeNP (log1p, __x, \ register long double __value; \ @@ -577,12 +576,12 @@ __inline_mathcodeNP(logb, __x, \ : "=t" (__junk), "=u" (__value) : "0" (__x)); \ return __value) +# endif #endif #ifdef __USE_ISOC99 #ifdef __FAST_MATH__ __inline_mathop_declNP (log2, "fld1; fxch; fyl2x", "0" (__x) : "st(1)") -#endif /* __FAST_MATH__ */ __MATH_INLINE float ldexpf (float __x, int __y) __THROW @@ -596,7 +595,6 @@ ldexpl (long double __x, int __y) __THROW __ldexp_code; } -#ifdef __FAST_MATH__ __inline_mathcodeNP3 (fma, __x, __y, __z, return (__x * __y) + __z) __inline_mathopNP (rint, "frndint") |