+2004-12-13 Danny Smith <dannysmith@users.sourceforge.net>
+
+ PR/18549
+ * defaults.h (TARGET_USE_JCR_SECTION): New macro.
+ * doc/tm.texi (TARGET_USE_JCR_SECTION): Document it.
+ * config/i386/cygming.h (TARGET_USE_JCR_SECTION): Override
+ default.
+
2004-12-13 Uros Bizjak <uros@kss-loka.si>
PR target/14941
while (0)
#endif /* HAVE_GAS_WEAK */
+/* FIXME: SUPPORTS_WEAK && TARGET_HAVE_NAMED_SECTIONS is true,
+ but for .jcr section to work we also need crtbegin and crtend
+ objects. */
+#define TARGET_USE_JCR_SECTION 0
+
/* Decide whether it is safe to use a local alias for a virtual function
when constructing thunks. */
#undef TARGET_USE_LOCAL_THUNK_ALIAS_P
#endif
#endif
+/* This decision to use a .jcr section can be overriden by defining
+ USE_JCR_SECTION to 0 in target file. This is necessary if target
+ can define JCR_SECTION_NAME but does not have crtstuff or
+ linker support for .jcr section. */
+#ifndef TARGET_USE_JCR_SECTION
+#ifdef JCR_SECTION_NAME
+#define TARGET_USE_JCR_SECTION 1
+#else
+#define TARGET_USE_JCR_SECTION 0
+#endif
+#endif
+
/* Number of hardware registers that go into the DWARF-2 unwind info.
If not defined, equals FIRST_PSEUDO_REGISTER */
If defined, this macro is the number of entries in
@code{TARGET_FORMAT_TYPES}.
@end defmac
+
+@defmac TARGET_USE_JCR_SECTION
+This macro determines whether to use the JCR section to register Java
+classes. By default, TARGET_USE_JCR_SECTION is defined to 1 if both
+SUPPORTS_WEAK and TARGET_HAVE_NAMED_SECTIONS are true, else 0.
+@end defmac
+2004-12-13 Danny Smith <dannysmith@users.sourceforge.net>
+
+ PR/18549
+ * class.c (emit_register_classes): Use TARGET_USE_JCR_SECTION.
+ Update comment.
+
2004-12-07 Andrew Haley <aph@redhat.com>
PR java/18811:
if (registered_class == NULL)
return;
- /* ??? This isn't quite the correct test. We also have to know
- that the target is using gcc's crtbegin/crtend objects rather
- than the ones that come with the operating system. */
- if (SUPPORTS_WEAK && targetm.have_named_sections)
+ /* TARGET_USE_JCR_SECTION defaults to 1 if SUPPORTS_WEAK and
+ TARGET_ASM_NAMED_SECTION, else 0. Some targets meet those conditions
+ but lack suitable crtbegin/end objects or linker support. These
+ targets can overide the default in tm.h to use the fallback mechanism. */
+ if (TARGET_USE_JCR_SECTION)
{
#ifdef JCR_SECTION_NAME
tree t;
assemble_integer (XEXP (DECL_RTL (t), 0),
POINTER_SIZE / BITS_PER_UNIT, POINTER_SIZE, 1);
#else
+ /* A target has defined TARGET_USE_JCR_SECTION, but doesn't have a
+ JCR_SECTION_NAME. */
abort ();
#endif
}