+2015-11-07 H.J. Lu <hongjiu.lu@intel.com>
+
+ [BZ #19178]
+ * elf/dl-lookup.c (RTYPE_CLASS_VALID): New.
+ (RTYPE_CLASS_PLT): Likewise.
+ (RTYPE_CLASS_COPY): Likewise.
+ (RTYPE_CLASS_TLS): Likewise.
+ (_dl_debug_bindings): Use RTYPE_CLASS_TLS and RTYPE_CLASS_VALID
+ to set relocation type class for DL_DEBUG_PRELINK. Keep only
+ ELF_RTYPE_CLASS_PLT and ELF_RTYPE_CLASS_COPY bits for
+ DL_DEBUG_PRELINK.
+
2015-11-06 Joseph Myers <joseph@codesourcery.com>
* math/test-signgam-finite.c (RUN_TESTS): Correct messages about
#ifdef SHARED
if (GLRO(dl_debug_mask) & DL_DEBUG_PRELINK)
{
+/* ELF_RTYPE_CLASS_XXX must match RTYPE_CLASS_XXX used by prelink with
+ LD_TRACE_PRELINKING. */
+#define RTYPE_CLASS_VALID 8
+#define RTYPE_CLASS_PLT (8|1)
+#define RTYPE_CLASS_COPY (8|2)
+#define RTYPE_CLASS_TLS (8|4)
+#if ELF_RTYPE_CLASS_PLT != 0 && ELF_RTYPE_CLASS_PLT != 1
+# error ELF_RTYPE_CLASS_PLT must be 0 or 1!
+#endif
+#if ELF_RTYPE_CLASS_COPY != 0 && ELF_RTYPE_CLASS_COPY != 2
+# error ELF_RTYPE_CLASS_COPY must be 0 or 2!
+#endif
int conflict = 0;
struct sym_val val = { NULL, NULL };
if (value->s)
{
+ /* Keep only ELF_RTYPE_CLASS_PLT and ELF_RTYPE_CLASS_COPY
+ bits since since prelink only uses them. */
+ type_class &= ELF_RTYPE_CLASS_PLT | ELF_RTYPE_CLASS_COPY;
if (__glibc_unlikely (ELFW(ST_TYPE) (value->s->st_info)
== STT_TLS))
- type_class = 4;
+ /* Clear the RTYPE_CLASS_VALID bit in RTYPE_CLASS_TLS. */
+ type_class = RTYPE_CLASS_TLS & ~RTYPE_CLASS_VALID;
else if (__glibc_unlikely (ELFW(ST_TYPE) (value->s->st_info)
== STT_GNU_IFUNC))
- type_class |= 8;
+ /* Set the RTYPE_CLASS_VALID bit. */
+ type_class |= RTYPE_CLASS_VALID;
}
if (conflict