* defaults.h (MULTIPLE_SYMBOL_SPACES): Provide default.
* config/arm/pecoff.h, config/i386/beos-elf.h
* config/i386/cygming.h, config/i386/i386-interix.h:
Define MULTIPLE_SYMBOL_SPACES to 1, not nothing. Remove
comment cloned from manual.
* doc/tm.texi: Update description of MULTIPLE_SYMBOL_SPACES.
cp:
* decl2.c (import_export_class)
* lex.c (handle_pragma_interface):
Test MULTIPLE_SYMBOL_SPACES with if, not #ifdef.
From-SVN: r87243
+2004-09-09 Zack Weinberg <zack@codesourcery.com>
+
+ * defaults.h (MULTIPLE_SYMBOL_SPACES): Provide default.
+ * config/arm/pecoff.h, config/i386/beos-elf.h
+ * config/i386/cygming.h, config/i386/i386-interix.h:
+ Define MULTIPLE_SYMBOL_SPACES to 1, not nothing. Remove
+ comment cloned from manual.
+ * doc/tm.texi: Update description of MULTIPLE_SYMBOL_SPACES.
+
2004-09-09 Frank Ch. Eigler <fche@redhat.com>
* builtins.c (build_va_arg_indirect_ref): New function.
(bdesc_int_void2arg, bdesc_prefetches): New arrays.
(frv_init_builtins): Register the above builtins.
(frv_int_to_acc): Use ACC_MASK to check for valid accumulator
- registers. Turn the referenced accumulators into global registers.
+ registers. Turn the referenced accumulators into global registers.
(frv_read_iacc_argument): New function.
(frv_expand_int_void2arg, frv_expand_prefetches): New functions.
(frv_split_iacc_move): New function.
call_used_regs [11] = 1;
\f
-/* Define this macro if in some cases global symbols from one translation
- unit may not be bound to undefined symbols in another translation unit
- without user intervention. For instance, under Microsoft Windows
- symbols must be explicitly imported from shared libraries (DLLs). */
-#define MULTIPLE_SYMBOL_SPACES
+/* PE/COFF uses explicit import from shared libraries. */
+#define MULTIPLE_SYMBOL_SPACES 1
#define TARGET_ASM_UNIQUE_SECTION arm_pe_unique_section
#define TARGET_ASM_FUNCTION_RODATA_SECTION default_no_function_rodata_section
/* BeOS headers are C++-aware (and often use C++). */
#define NO_IMPLICIT_EXTERN_C
-/* Define this macro if in some cases global symbols from one translation
- unit may not be bound to undefined symbols in another translation unit
- without user intervention. For instance, under Microsoft Windows
- symbols must be explicitly imported from shared libraries (DLLs). */
-#define MULTIPLE_SYMBOL_SPACES
+/* BeOS uses explicit import from shared libraries. */
+#define MULTIPLE_SYMBOL_SPACES 1
#define ASM_OUTPUT_ALIGN(FILE,LOG) \
if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", 1<<(LOG))
-/* Define this macro if in some cases global symbols from one translation
- unit may not be bound to undefined symbols in another translation unit
- without user intervention. For instance, under Microsoft Windows
- symbols must be explicitly imported from shared libraries (DLLs). */
-#define MULTIPLE_SYMBOL_SPACES
+/* Windows uses explicit import from shared libraries. */
+#define MULTIPLE_SYMBOL_SPACES 1
extern void i386_pe_unique_section (TREE, int);
#define TARGET_ASM_UNIQUE_SECTION i386_pe_unique_section
.data$ sections correctly. See corresponding note in i386/interix.c.
MK. */
-/* Define this macro if in some cases global symbols from one translation
- unit may not be bound to undefined symbols in another translation unit
- without user intervention. For instance, under Microsoft Windows
- symbols must be explicitly imported from shared libraries (DLLs). */
-#define MULTIPLE_SYMBOL_SPACES
+/* Interix uses explicit import from shared libraries. */
+#define MULTIPLE_SYMBOL_SPACES 1
extern void i386_pe_unique_section (tree, int);
#define TARGET_ASM_UNIQUE_SECTION i386_pe_unique_section
+2004-09-09 Zack Weinberg <zack@codesourcery.com>
+
+ * decl2.c (import_export_class)
+ * lex.c (handle_pragma_interface):
+ Test MULTIPLE_SYMBOL_SPACES with if, not #ifdef.
+
2004-09-08 Ziemowit Laski <zlaski@apple.com>
* Make-lang.in (cp/semantics.o): Depend on c-common.h.
if (CLASSTYPE_INTERFACE_KNOWN (ctype))
return;
- /* If MULTIPLE_SYMBOL_SPACES is defined and we saw a #pragma interface,
+ /* If MULTIPLE_SYMBOL_SPACES is set and we saw a #pragma interface,
we will have CLASSTYPE_INTERFACE_ONLY set but not
CLASSTYPE_INTERFACE_KNOWN. In that case, we don't want to use this
heuristic because someone will supply a #pragma implementation
import_export = (DECL_REALLY_EXTERN (method) ? -1 : 1);
}
-#ifdef MULTIPLE_SYMBOL_SPACES
- if (import_export == -1)
+ /* When MULTIPLE_SYMBOL_SPACES is set, we cannot count on seeing
+ a definition anywhere else. */
+ if (MULTIPLE_SYMBOL_SPACES && import_export == -1)
import_export = 0;
-#endif
/* Allow backends the chance to overrule the decision. */
if (targetm.cxx.import_export_class)
}
interface_only = interface_strcmp (main_filename);
-#ifdef MULTIPLE_SYMBOL_SPACES
- if (! interface_only)
-#endif
+ /* If MULTIPLE_SYMBOL_SPACES is set, we cannot assume that we can see
+ a definition in another file. */
+ if (!MULTIPLE_SYMBOL_SPACES || !interface_only)
interface_unknown = 0;
finfo->interface_only = interface_only;
# define USE_COMMON_FOR_ONE_ONLY 1
#endif
+/* By default we can assume that all global symbols are in one namespace,
+ across all shared libraries. */
+#ifndef MULTIPLE_SYMBOL_SPACES
+# define MULTIPLE_SYMBOL_SPACES 0
+#endif
/* If the target supports init_priority C++ attribute, give
SUPPORTS_INIT_PRIORITY a nonzero value. */
@end defmac
@defmac MULTIPLE_SYMBOL_SPACES
-Define this macro if in some cases global symbols from one translation
-unit may not be bound to undefined symbols in another translation unit
-without user intervention. For instance, under Microsoft Windows
-symbols must be explicitly imported from shared libraries (DLLs).
+Define this macro as a C expression that is nonzero if, in some cases,
+global symbols from one translation unit may not be bound to undefined
+symbols in another translation unit without user intervention. For
+instance, under Microsoft Windows symbols must be explicitly imported
+from shared libraries (DLLs).
+
+You need not define this macro if it would always evaluate to zero.
@end defmac
@deftypefn {Target Hook} tree TARGET_MD_ASM_CLOBBERS (tree @var{clobbers})
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