2009-07-29 Ulrich Drepper <drepper@redhat.com>
- * sysdeps/x86_64/dl-trampoline.S (_dl_runtime_profile): Improve CFI
- information.
+ * sysdeps/x86_64/dl-trampoline.S (_dl_runtime_profile): Improve CFI.
2009-07-28 H.J. Lu <hongjiu.lu@intel.com>
2009-07-29 Ulrich Drepper <drepper@redhat.com>
+ * sysdeps/x86_64/tls.h (TLS_TCB_ALIGN): Define explicitly to 32.
+
* sysdeps/x86_64/tls.h (tcbhead_t): Add room for SSE registers the
- dynamic linker might have to save. Define RTLD_CHECK_FOREIGN_CALL,
- RTLD_ENABLE_FOREIGN_CALL, RTLD_PREPARE_FOREIGN_CALL, and
- RTLD_FINALIZE_FOREIGN_CALL. Pretty printing.
+ dynamic linker might have to save.
+ Define RTLD_CHECK_FOREIGN_CALL, RTLD_ENABLE_FOREIGN_CALL,
+ RTLD_PREPARE_FOREIGN_CALL, and RTLD_FINALIZE_FOREIGN_CALL. Pretty
+ printing.
+
* sysdeps/x86_64/tcb-offsets.sym: Add RTLD_SAVESPACE_SSE.
2009-07-28 Ulrich Drepper <drepper@redhat.com>
# define TLS_TCB_SIZE sizeof (struct pthread)
/* Alignment requirements for the TCB. */
-# define TLS_TCB_ALIGN __alignof__ (struct pthread)
+//# define TLS_TCB_ALIGN __alignof__ (struct pthread)
+// Normally the above would be correct But we have to store post-AVX
+// vector registers in the TCB and we want the storage to be aligned.
+// unfortunately there isn't yet a type for these values and hence no
+// 32-byte alignment requirement. Make this explicit, for now.
+# define TLS_TCB_ALIGN 32
/* The TCB can have any size and the memory following the address the
thread pointer points to is unspecified. Allocate the TCB there. */