diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2004-09-08 07:02:28 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-09-08 07:02:28 +0000 |
| commit | 590b40f7ec801ea1b4be47112a016ed369041e64 (patch) | |
| tree | 63d37abbae8a1046c88c4af07744f35830506ba5 /sysdeps/powerpc/powerpc64/configure.in | |
| parent | 67254a97d98f73a35ab995e8afccb3ded433c8b1 (diff) | |
Update.
2004-09-07 Jakub Jelinek <jakub@redhat.com>
* sysdeps/powerpc/powerpc64/configure.in: New file.
* config.h.in (USE_PPC64_OVERLAPPING_OPD): Add.
* configure.in (HAVE_ASM_GLOBAL_DOT_NAME): Remove.
* sysdeps/powerpc/powerpc64/sysdep.h: Formatting.
(OPD_ENT, BODY_LABEL, ENTRY_1, ENTRY_2, END_2, DOT_PREFIX,
BODY_PREFIX): Define.
(ENTRY, DOT_LABEL, END, TRACEBACK, END_GEN_TB, EALIGN): Support
HAVE_ASM_GLOBAL_DOT_NAME or no dot symbols,
USE_PPC64_OVERLAPPING_OPD or never overlapping .opd entries.
* sysdeps/powerpc/powerpc64/dl-machine.h: Include sysdep.h.
(TRAMPOLINE_TEMPLATE, RTLD_START): Use the new sysdep.h macros.
Diffstat (limited to 'sysdeps/powerpc/powerpc64/configure.in')
| -rw-r--r-- | sysdeps/powerpc/powerpc64/configure.in | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc64/configure.in b/sysdeps/powerpc/powerpc64/configure.in new file mode 100644 index 0000000000..67aac663d8 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/configure.in @@ -0,0 +1,42 @@ +GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. +# Local configure fragment for sysdeps/powerpc/powerpc64. + +# The Aix ld uses global .symbol_names instead of symbol_names +# and unfortunately early Linux PPC64 linkers use it as well. +AC_CACHE_CHECK(for support for omitting dot symbols, +libc_cv_omit_dot_syms, [dnl +libc_cv_omit_dot_syms=no +echo 'void foo (void) {}' > conftest.c +if AC_TRY_COMMAND(${CC-cc} $CFLAGS $CPPFLAGS -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD); then + if grep -w '\.foo' conftest.s > /dev/null; then + : + else + libc_cv_omit_dot_syms=yes + fi +fi +rm -f conftest.c conftest.s +]) +if test x$libc_cv_omit_dot_syms != xyes; then + AC_DEFINE(HAVE_ASM_GLOBAL_DOT_NAME) +fi + +AC_CACHE_CHECK(for linker support for overlapping .opd entries, +libc_cv_overlapping_opd, [dnl +libc_cv_overlapping_opd=no +echo 'void foo (void) {}' > conftest.c +if AC_TRY_COMMAND(${CC-cc} $CFLAGS $CPPFLAGS -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD); then +changequote(,)dnl + if grep '\.TOC\.@tocbase' conftest.s > /dev/null; then + if grep '\.TOC\.@tocbase[ ]*,[ ]*0' conftest.s > /dev/null; then + : + else + libc_cv_overlapping_opd=yes + fi + fi +changequote([,])dnl +fi +rm -f conftest.c conftest.s +]) +if test x$libc_cv_overlapping_opd = xyes; then + AC_DEFINE(USE_PPC64_OVERLAPPING_OPD) +fi |