diff options
| -rw-r--r-- | ChangeLog | 12 | ||||
| -rw-r--r-- | config.h.in | 6 | ||||
| -rwxr-xr-x | configure | 67 | ||||
| -rw-r--r-- | configure.ac | 44 | ||||
| -rw-r--r-- | include/libc-symbols.h | 22 |
5 files changed, 15 insertions, 136 deletions
@@ -1,5 +1,17 @@ 2015-10-19 Joseph Myers <joseph@codesourcery.com> + * configure.ac (libc_cv_asm_weak_directive): Remove configure + test. + (libc_cv_asm_weakext_directive): Likewise. + * configure: Regenerated. + * config.h.in (HAVE_ASM_WEAK_DIRECTIVE): Remove #undef. + (HAVE_ASM_WEAKEXT_DIRECTIVE): Likewise. + * include/libc-symbols.h + [!HAVE_ASM_WEAK_DIRECTIVE && !HAVE_ASM_WEAKEXT_DIRECTIVE]: Remove + #error. + [HAVE_ASM_WEAKEXT_DIRECTIVE]: Remove conditional code. + [!HAVE_ASM_WEAKEXT_DIRECTIVE]: Make code unconditional. + * sysdeps/arm/backtrace.c (__backtrace): Convert to prototype-style function definition. * sysdeps/i386/backtrace.c (__backtrace): Likewise. diff --git a/config.h.in b/config.h.in index 40c2d45009..44e859088b 100644 --- a/config.h.in +++ b/config.h.in @@ -18,12 +18,6 @@ /* Defined if building with SELinux support & libcap libs are detected. */ #undef HAVE_LIBCAP -/* Define if weak symbols are available via the `.weak' directive. */ -#undef HAVE_ASM_WEAK_DIRECTIVE - -/* Define if weak symbols are available via the `.weakext' directive. */ -#undef HAVE_ASM_WEAKEXT_DIRECTIVE - /* Define to the assembler line separator character for multiple assembler instructions per line. Default is `;' */ #undef ASM_LINE_SEP @@ -6117,73 +6117,6 @@ if test $libc_cv_have_section_quotes = yes; then fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for assembler .weak directive" >&5 -$as_echo_n "checking for assembler .weak directive... " >&6; } -if ${libc_cv_asm_weak_directive+:} false; then : - $as_echo_n "(cached) " >&6 -else - cat > conftest.s <<EOF -${libc_cv_dot_text} -.globl foo -foo: -.weak foo -.weak bar; bar = foo -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_weak_directive=yes -else - libc_cv_asm_weak_directive=no -fi -rm -f conftest* -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_weak_directive" >&5 -$as_echo "$libc_cv_asm_weak_directive" >&6; } - -if test $libc_cv_asm_weak_directive = no; then - { $as_echo "$as_me:${as_lineno-$LINENO}: checking for assembler .weakext directive" >&5 -$as_echo_n "checking for assembler .weakext directive... " >&6; } -if ${libc_cv_asm_weakext_directive+:} false; then : - $as_echo_n "(cached) " >&6 -else - cat > conftest.s <<EOF -${libc_cv_dot_text} -.globl foo -foo: -.weakext bar foo -.weakext baz -.globl baz -baz: -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_weakext_directive=yes - else - libc_cv_asm_weakext_directive=no - fi - rm -f conftest* -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_weakext_directive" >&5 -$as_echo "$libc_cv_asm_weakext_directive" >&6; } - -fi # no .weak - -if test $libc_cv_asm_weak_directive = yes; then - $as_echo "#define HAVE_ASM_WEAK_DIRECTIVE 1" >>confdefs.h - -elif test $libc_cv_asm_weakext_directive = yes; then - $as_echo "#define HAVE_ASM_WEAKEXT_DIRECTIVE 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 : diff --git a/configure.ac b/configure.ac index 402de30b87..14f5c170d9 100644 --- a/configure.ac +++ b/configure.ac @@ -1550,50 +1550,6 @@ if test $libc_cv_have_section_quotes = yes; then AC_DEFINE(HAVE_SECTION_QUOTES) fi -AC_CACHE_CHECK(for assembler .weak directive, libc_cv_asm_weak_directive, - [dnl -cat > conftest.s <<EOF -${libc_cv_dot_text} -.globl foo -foo: -.weak foo -.weak bar; bar = foo -EOF -if AC_TRY_COMMAND(${CC-cc} $ASFLAGS -c conftest.s 1>&AS_MESSAGE_LOG_FD); then - libc_cv_asm_weak_directive=yes -else - libc_cv_asm_weak_directive=no -fi -rm -f conftest*]) - -if test $libc_cv_asm_weak_directive = no; then - AC_CACHE_CHECK(for assembler .weakext directive, - libc_cv_asm_weakext_directive, - [dnl -cat > conftest.s <<EOF -${libc_cv_dot_text} -.globl foo -foo: -.weakext bar foo -.weakext baz -.globl baz -baz: -EOF - if AC_TRY_COMMAND(${CC-cc} $ASFLAGS -c conftest.s 1>&AS_MESSAGE_LOG_FD); then - libc_cv_asm_weakext_directive=yes - else - libc_cv_asm_weakext_directive=no - fi - rm -f conftest*]) - -fi # no .weak - -if test $libc_cv_asm_weak_directive = yes; then - AC_DEFINE(HAVE_ASM_WEAK_DIRECTIVE) -elif test $libc_cv_asm_weakext_directive = yes; then - AC_DEFINE(HAVE_ASM_WEAKEXT_DIRECTIVE) -fi - AC_CACHE_CHECK(for ld --no-whole-archive, libc_cv_ld_no_whole_archive, [dnl cat > conftest.c <<\EOF _start () {} diff --git a/include/libc-symbols.h b/include/libc-symbols.h index e2c63fc392..a9ac0e3ed7 100644 --- a/include/libc-symbols.h +++ b/include/libc-symbols.h @@ -35,11 +35,9 @@ file in the C library by -imacros. We include config.h which is generated by configure. - It should define for us the following symbols: + It should define for us the following symbol: * HAVE_ASM_SET_DIRECTIVE if we have `.set B, A' instead of `A = B'. - * HAVE_ASM_WEAK_DIRECTIVE if we have weak symbols using `.weak'. - * HAVE_ASM_WEAKEXT_DIRECTIVE if we have weak symbols using `.weakext'. */ @@ -80,10 +78,6 @@ /* The symbols in all the user (non-_) macros are C symbols. */ -#if !defined HAVE_ASM_WEAK_DIRECTIVE && !defined HAVE_ASM_WEAKEXT_DIRECTIVE -# error "weak symbol support needed" -#endif - #ifndef __SYMBOL_PREFIX # define __SYMBOL_PREFIX #endif @@ -142,23 +136,13 @@ # define strong_data_alias(original, alias) strong_alias(original, alias) # endif -# ifdef HAVE_ASM_WEAKEXT_DIRECTIVE -# define weak_alias(original, alias) \ - .weakext C_SYMBOL_NAME (alias), C_SYMBOL_NAME (original) -# define weak_extern(symbol) \ - .weakext C_SYMBOL_NAME (symbol) - -# else /* ! HAVE_ASM_WEAKEXT_DIRECTIVE */ - -# define weak_alias(original, alias) \ +# define weak_alias(original, alias) \ .weak C_SYMBOL_NAME (alias) ASM_LINE_SEP \ C_SYMBOL_NAME (alias) = C_SYMBOL_NAME (original) -# define weak_extern(symbol) \ +# define weak_extern(symbol) \ .weak C_SYMBOL_NAME (symbol) -# endif /* ! HAVE_ASM_WEAKEXT_DIRECTIVE */ - #endif /* __ASSEMBLER__ */ /* On some platforms we can make internal function calls (i.e., calls of |