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| author | Maciej W. Rozycki <macro@codesourcery.com> | 2014-06-20 20:08:03 +0100 |
|---|---|---|
| committer | Maciej W. Rozycki <macro@codesourcery.com> | 2014-06-20 20:22:42 +0100 |
| commit | 90e5dd482fc4708d559fbec9740104470ffdb9df (patch) | |
| tree | 0e1cf5705463c270c44330e0b8b4660004dc55e6 /sysdeps/arm/configure | |
| parent | 809fdf0d23ddb683eb60672465d7a39d02ef272b (diff) | |
[BZ #17075] ARM: Fix immediate calculation of R_ARM_TLS_DESC
This fixes the calculation of R_ARM_TLS_DESC relocations for lazy global
symbol references, i.e. created with `-z lazy' in effect with the static
linker, where immediate resolution is requested with LD_BIND_NOW.
Diffstat (limited to 'sysdeps/arm/configure')
| -rw-r--r-- | sysdeps/arm/configure | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/sysdeps/arm/configure b/sysdeps/arm/configure index d79ef76ec9..953ef4406d 100644 --- a/sysdeps/arm/configure +++ b/sysdeps/arm/configure @@ -203,3 +203,39 @@ else config_vars="$config_vars default-abi = soft" fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the build tools support the GNU descriptor TLS scheme" >&5 +$as_echo_n "checking whether the build tools support the GNU descriptor TLS scheme... " >&6; } +if ${libc_cv_arm_tls_desc+:} false; then : + $as_echo_n "(cached) " >&6 +else + old_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -mtls-dialect=gnu2" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +asm (".word\tfoo(tlsdesc)"); +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + libc_cv_arm_tls_desc=yes +else + libc_cv_arm_tls_desc=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + CFLAGS="$old_CFLAGS" +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_arm_tls_desc" >&5 +$as_echo "$libc_cv_arm_tls_desc" >&6; } +if test $libc_cv_arm_tls_desc = yes; then + config_vars="$config_vars +have-arm-tls-desc = yes" +else + config_vars="$config_vars +have-arm-tls-desc = no" +fi |