+2014-06-26 Joseph Myers <joseph@codesourcery.com>
+
+ * configure.ac (libc_cv_asm_cfi_directives): Remove configure
+ test.
+ * configure: Regenerated.
+ * config.h.in (HAVE_ASM_CFI_DIRECTIVES): Remove macro undefine.
+ * sysdeps/arm/configure.ac (libc_cv_asm_cfi_directive_sections):
+ Remove configure test.
+ * sysdeps/arm/configure: Regenerated.
+ * sysdeps/nptl/configure.ac: Do not check
+ libc_cv_asm_cfi_directives.
+ * sysdeps/nptl/configure: Regenerated.
+ * sysdeps/x86_64/nptl/configure.ac: Remove file.
+ * sysdeps/x86_64/nptl/configure: Remove generated file.
+ * b/sysdeps/generic/sysdep.h [HAVE_ASM_CFI_DIRECTIVES]: Make code
+ unconditional.
+ [!HAVE_ASM_CFI_DIRECTIVES]: Remove conditional code.
+
2014-06-26 Siddhesh Poyarekar <siddhesh@redhat.com>
* posix/fnmatch.c: Define WIDE_CHAR_VERSION.
/* Define if weak symbols are available via the `.weakext' directive. */
#undef HAVE_ASM_WEAKEXT_DIRECTIVE
-/* Define if CFI directives are available. */
-#undef HAVE_ASM_CFI_DIRECTIVES
-
/* Define to the assembler line separator character for multiple
assembler instructions per line. Default is `;' */
#undef ASM_LINE_SEP
fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether CFI directives are supported" >&5
-$as_echo_n "checking whether CFI directives are supported... " >&6; }
-if ${libc_cv_asm_cfi_directives+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- case $machine in
- sparc/sparc64*) cfi_offset=2047;;
- *) cfi_offset=0;;
-esac
-cat > conftest.s <<EOF
- .text
- .type func,%function
-func:
- .cfi_startproc
- .cfi_remember_state
- .cfi_rel_offset 1, $cfi_offset
- .cfi_endproc
-EOF
-if { ac_try='${CC-cc} $ASFLAGS -c conftest.s 1>&5'
- { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; }; then
- libc_cv_asm_cfi_directives=yes
-else
- libc_cv_asm_cfi_directives=no
-fi
-rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_cfi_directives" >&5
-$as_echo "$libc_cv_asm_cfi_directives" >&6; }
-if test $libc_cv_asm_cfi_directives = yes; then
- $as_echo "#define HAVE_ASM_CFI_DIRECTIVES 1" >>confdefs.h
-
-fi
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld --no-whole-archive" >&5
$as_echo_n "checking for ld --no-whole-archive... " >&6; }
if ${libc_cv_ld_no_whole_archive+:} false; then :
AC_DEFINE(HAVE_ASM_WEAKEXT_DIRECTIVE)
fi
-AC_CACHE_CHECK(whether CFI directives are supported, libc_cv_asm_cfi_directives, [dnl
-case $machine in
- sparc/sparc64*) cfi_offset=2047;;
- *) cfi_offset=0;;
-esac
-cat > conftest.s <<EOF
- .text
- .type func,%function
-func:
- .cfi_startproc
- .cfi_remember_state
- .cfi_rel_offset 1, $cfi_offset
- .cfi_endproc
-EOF
-if AC_TRY_COMMAND(${CC-cc} $ASFLAGS -c conftest.s 1>&AS_MESSAGE_LOG_FD); then
- libc_cv_asm_cfi_directives=yes
-else
- libc_cv_asm_cfi_directives=no
-fi
-rm -f conftest*])
-if test $libc_cv_asm_cfi_directives = yes; then
- AC_DEFINE(HAVE_ASM_CFI_DIRECTIVES)
-fi
-
AC_CACHE_CHECK(for ld --no-whole-archive, libc_cv_ld_no_whole_archive, [dnl
cat > conftest.c <<\EOF
_start () {}
#AC_DEFINE(PI_STATIC_AND_HIDDEN)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the CFI directive .cfi_sections is supported" >&5
-$as_echo_n "checking whether the CFI directive .cfi_sections is supported... " >&6; }
-if ${libc_cv_asm_cfi_directive_sections+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat > conftest.s <<EOF
- .text
- .cfi_sections .debug_frame, .eh_frame
- .cfi_startproc
- .cfi_endproc
-EOF
- if { ac_try='${CC-cc} $ASFLAGS -c conftest.s 1>&5'
- { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; }; then
- libc_cv_asm_cfi_directive_sections=yes
- else
- libc_cv_asm_cfi_directive_sections=no
- fi
- rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_cfi_directive_sections" >&5
-$as_echo "$libc_cv_asm_cfi_directive_sections" >&6; }
-if test $libc_cv_asm_cfi_directive_sections != yes; then
- as_fn_error $? "need .cfi_sections in this configuration" "$LINENO" 5
-fi
-
# We check to see if the compiler and flags are
# selecting the hard-float ABI and if they are then
# we set libc_cv_arm_pcs_vfp to yes which causes
dnl it. Until we do, don't define it.
#AC_DEFINE(PI_STATIC_AND_HIDDEN)
-AC_CACHE_CHECK([whether the CFI directive .cfi_sections is supported],
- [libc_cv_asm_cfi_directive_sections],
- [cat > conftest.s <<EOF
- .text
- .cfi_sections .debug_frame, .eh_frame
- .cfi_startproc
- .cfi_endproc
-EOF
- if AC_TRY_COMMAND(${CC-cc} $ASFLAGS -c conftest.s 1>&AS_MESSAGE_LOG_FD); then
- libc_cv_asm_cfi_directive_sections=yes
- else
- libc_cv_asm_cfi_directive_sections=no
- fi
- rm -f conftest*])
-if test $libc_cv_asm_cfi_directive_sections != yes; then
- AC_MSG_ERROR([need .cfi_sections in this configuration])
-fi
-
# We check to see if the compiler and flags are
# selecting the hard-float ABI and if they are then
# we set libc_cv_arm_pcs_vfp to yes which causes
#endif
/* Makros to generate eh_frame unwind information. */
-#ifdef HAVE_ASM_CFI_DIRECTIVES
-# ifdef __ASSEMBLER__
-# define cfi_startproc .cfi_startproc
-# define cfi_endproc .cfi_endproc
-# define cfi_def_cfa(reg, off) .cfi_def_cfa reg, off
-# define cfi_def_cfa_register(reg) .cfi_def_cfa_register reg
-# define cfi_def_cfa_offset(off) .cfi_def_cfa_offset off
-# define cfi_adjust_cfa_offset(off) .cfi_adjust_cfa_offset off
-# define cfi_offset(reg, off) .cfi_offset reg, off
-# define cfi_rel_offset(reg, off) .cfi_rel_offset reg, off
-# define cfi_register(r1, r2) .cfi_register r1, r2
-# define cfi_return_column(reg) .cfi_return_column reg
-# define cfi_restore(reg) .cfi_restore reg
-# define cfi_same_value(reg) .cfi_same_value reg
-# define cfi_undefined(reg) .cfi_undefined reg
-# define cfi_remember_state .cfi_remember_state
-# define cfi_restore_state .cfi_restore_state
-# define cfi_window_save .cfi_window_save
-# define cfi_personality(enc, exp) .cfi_personality enc, exp
-# define cfi_lsda(enc, exp) .cfi_lsda enc, exp
+#ifdef __ASSEMBLER__
+# define cfi_startproc .cfi_startproc
+# define cfi_endproc .cfi_endproc
+# define cfi_def_cfa(reg, off) .cfi_def_cfa reg, off
+# define cfi_def_cfa_register(reg) .cfi_def_cfa_register reg
+# define cfi_def_cfa_offset(off) .cfi_def_cfa_offset off
+# define cfi_adjust_cfa_offset(off) .cfi_adjust_cfa_offset off
+# define cfi_offset(reg, off) .cfi_offset reg, off
+# define cfi_rel_offset(reg, off) .cfi_rel_offset reg, off
+# define cfi_register(r1, r2) .cfi_register r1, r2
+# define cfi_return_column(reg) .cfi_return_column reg
+# define cfi_restore(reg) .cfi_restore reg
+# define cfi_same_value(reg) .cfi_same_value reg
+# define cfi_undefined(reg) .cfi_undefined reg
+# define cfi_remember_state .cfi_remember_state
+# define cfi_restore_state .cfi_restore_state
+# define cfi_window_save .cfi_window_save
+# define cfi_personality(enc, exp) .cfi_personality enc, exp
+# define cfi_lsda(enc, exp) .cfi_lsda enc, exp
-# else /* ! ASSEMBLER */
+#else /* ! ASSEMBLER */
-# define CFI_STRINGIFY(Name) CFI_STRINGIFY2 (Name)
-# define CFI_STRINGIFY2(Name) #Name
-# define CFI_STARTPROC ".cfi_startproc"
-# define CFI_ENDPROC ".cfi_endproc"
-# define CFI_DEF_CFA(reg, off) \
+# define CFI_STRINGIFY(Name) CFI_STRINGIFY2 (Name)
+# define CFI_STRINGIFY2(Name) #Name
+# define CFI_STARTPROC ".cfi_startproc"
+# define CFI_ENDPROC ".cfi_endproc"
+# define CFI_DEF_CFA(reg, off) \
".cfi_def_cfa " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off)
-# define CFI_DEF_CFA_REGISTER(reg) \
+# define CFI_DEF_CFA_REGISTER(reg) \
".cfi_def_cfa_register " CFI_STRINGIFY(reg)
-# define CFI_DEF_CFA_OFFSET(off) \
+# define CFI_DEF_CFA_OFFSET(off) \
".cfi_def_cfa_offset " CFI_STRINGIFY(off)
-# define CFI_ADJUST_CFA_OFFSET(off) \
+# define CFI_ADJUST_CFA_OFFSET(off) \
".cfi_adjust_cfa_offset " CFI_STRINGIFY(off)
-# define CFI_OFFSET(reg, off) \
+# define CFI_OFFSET(reg, off) \
".cfi_offset " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off)
-# define CFI_REL_OFFSET(reg, off) \
+# define CFI_REL_OFFSET(reg, off) \
".cfi_rel_offset " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off)
-# define CFI_REGISTER(r1, r2) \
+# define CFI_REGISTER(r1, r2) \
".cfi_register " CFI_STRINGIFY(r1) "," CFI_STRINGIFY(r2)
-# define CFI_RETURN_COLUMN(reg) \
+# define CFI_RETURN_COLUMN(reg) \
".cfi_return_column " CFI_STRINGIFY(reg)
-# define CFI_RESTORE(reg) \
+# define CFI_RESTORE(reg) \
".cfi_restore " CFI_STRINGIFY(reg)
-# define CFI_UNDEFINED(reg) \
+# define CFI_UNDEFINED(reg) \
".cfi_undefined " CFI_STRINGIFY(reg)
-# define CFI_REMEMBER_STATE \
+# define CFI_REMEMBER_STATE \
".cfi_remember_state"
-# define CFI_RESTORE_STATE \
+# define CFI_RESTORE_STATE \
".cfi_restore_state"
-# define CFI_WINDOW_SAVE \
+# define CFI_WINDOW_SAVE \
".cfi_window_save"
-# define CFI_PERSONALITY(enc, exp) \
+# define CFI_PERSONALITY(enc, exp) \
".cfi_personality " CFI_STRINGIFY(enc) "," CFI_STRINGIFY(exp)
-# define CFI_LSDA(enc, exp) \
+# define CFI_LSDA(enc, exp) \
".cfi_lsda " CFI_STRINGIFY(enc) "," CFI_STRINGIFY(exp)
-# endif
-
-#else
-
-# define CFI_STARTPROC
-# define CFI_ENDPROC
-# define CFI_DEF_CFA(reg, off)
-# define CFI_DEF_CFA_REGISTER(reg)
-# define CFI_DEF_CFA_OFFSET(off)
-# define CFI_ADJUST_CFA_OFFSET(off)
-# define CFI_OFFSET(reg, off)
-# define CFI_REL_OFFSET(reg, off)
-# define CFI_REGISTER(r1, r2)
-# define CFI_RETURN_COLUMN(reg)
-# define CFI_RESTORE(reg)
-# define CFI_UNDEFINED(reg)
-# define CFI_REMEMBER_STATE
-# define CFI_RESTORE_STATE
-# define CFI_WINDOW_SAVE
-# define CFI_PERSONALITY(enc, exp)
-# define CFI_LSDA(enc, exp)
#endif
#include "dwarf2.h"
as_fn_error $? "working compiler support for visibility attribute is required" "$LINENO" 5
fi
-if test "x$libc_cv_asm_cfi_directives" != xyes; then
- case "$base_machine" in
- i386 | x86_64 | powerpc | s390)
- as_fn_error $? "CFI directive support in assembler is required" "$LINENO" 5 ;;
- *) ;;
- esac
-fi
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for forced unwind support" >&5
$as_echo_n "checking for forced unwind support... " >&6; }
AC_MSG_ERROR(working compiler support for visibility attribute is required)
fi
-if test "x$libc_cv_asm_cfi_directives" != xyes; then
- dnl We need this only for some architectures.
- case "$base_machine" in
- i386 | x86_64 | powerpc | s390)
- AC_MSG_ERROR(CFI directive support in assembler is required) ;;
- *) ;;
- esac
-fi
-
dnl Iff <unwind.h> is available, make sure it is the right one and it
dnl contains struct _Unwind_Exception.
AC_CACHE_CHECK(dnl
+++ /dev/null
-# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
- # Local configure fragment for sysdeps/i386.
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for .cfi_personality and .cfi_lsda pseudo-ops" >&5
-$as_echo_n "checking for .cfi_personality and .cfi_lsda pseudo-ops... " >&6; }
-if ${libc_cv_asm_cfi_personality+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat > conftest.s <<EOF
-${libc_cv_dot_text}
-foo:
- .cfi_startproc
- .cfi_personality 0, foo
- .cfi_lsda 0, foo
- .cfi_endproc
-EOF
- if { ac_try='${CC-cc} $ASFLAGS -c conftest.s 1>&5'
- { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; }; then
- libc_cv_asm_cfi_personality=yes
- else
- libc_cv_asm_cfi_personality=no
- fi
- rm -f conftest*
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_cfi_personality" >&5
-$as_echo "$libc_cv_asm_cfi_personality" >&6; }
-if test x"$libc_cv_asm_cfi_personality" != xyes; then
- as_fn_error $? "assembler too old, .cfi_personality support missing" "$LINENO" 5
-fi
+++ /dev/null
-GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
-# Local configure fragment for sysdeps/i386.
-
-AC_CACHE_CHECK([for .cfi_personality and .cfi_lsda pseudo-ops],
- libc_cv_asm_cfi_personality, [dnl
- cat > conftest.s <<EOF
-${libc_cv_dot_text}
-foo:
- .cfi_startproc
- .cfi_personality 0, foo
- .cfi_lsda 0, foo
- .cfi_endproc
-EOF
- if AC_TRY_COMMAND(${CC-cc} $ASFLAGS -c conftest.s 1>&AS_MESSAGE_LOG_FD); then
- libc_cv_asm_cfi_personality=yes
- else
- libc_cv_asm_cfi_personality=no
- fi
- rm -f conftest*
-])
-if test x"$libc_cv_asm_cfi_personality" != xyes; then
- AC_MSG_ERROR([assembler too old, .cfi_personality support missing])
-fi
git://sourceware.org / glibc.git / commitdiff