/* Operating system specific defines to be used when targeting GCC for
generic System V Release 3 system.
- Copyright (C) 1991, 1996, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1991, 1996, 2000, 2002 Free Software Foundation, Inc.
Contributed by Ron Guilmette (rfg@monkeys.com).
This file is part of GNU CC.
#define LINK_SPEC "%{T*} %{z:-lm}"
#endif
-/* Allow #sccs in preprocessor. */
-
-#define SCCS_DIRECTIVE
-
/* Output #ident as a .ident. */
+#undef ASM_OUTPUT_IDENT
#define ASM_OUTPUT_IDENT(FILE, NAME) \
fprintf (FILE, "\t.ident \"%s\"\n", NAME);
/* System V Release 3 uses COFF debugging info. */
-#define SDB_DEBUGGING_INFO
+#define SDB_DEBUGGING_INFO 1
/* We don't want to output DBX debugging information. */
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE BITS_PER_WORD
-/* Assembler pseudos to introduce constants of various size. These
- definitions should work for most svr3 systems. */
-
-#undef ASM_BYTE_OP
-#define ASM_BYTE_OP "\t.byte\t"
-
/* The prefix to add to user-visible assembler symbols.
For System V Release 3 the convention is to prepend a leading
#undef LOCAL_LABEL_PREFIX
#define LOCAL_LABEL_PREFIX "."
-/* Support const sections and the ctors and dtors sections for g++.
- Note that there appears to be two different ways to support const
- sections at the moment. You can either #define the symbol
- READONLY_DATA_SECTION (giving it some code which switches to the
- readonly data section) or else you can #define the symbols
- EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, SELECT_SECTION, and
- SELECT_RTX_SECTION. We do both here just to be on the safe side.
- However, use of the const section is turned off by default
- unless the specific tm.h file turns it on by defining
- USE_CONST_SECTION as 1. */
+/* Support const sections and the ctors and dtors sections for g++. */
/* Define a few machine-specific details of the implementation of
constructors.
Define TARGET_ASM_CONSTRUCTOR to push the address of the constructor. */
-#define USE_CONST_SECTION 0
-
#define INIT_SECTION_ASM_OP "\t.section\t.init"
#define FINI_SECTION_ASM_OP "\t.section .fini,\"x\""
-#define CONST_SECTION_ASM_OP "\t.section\t.rodata, \"x\""
#define DTORS_SECTION_ASM_OP FINI_SECTION_ASM_OP
/* CTOR_LIST_BEGIN and CTOR_LIST_END are machine-dependent
#endif /* STACK_GROWS_DOWNWARD */
-/* Add extra sections .rodata, .init and .fini. */
-
#undef EXTRA_SECTIONS
-#define EXTRA_SECTIONS in_const, in_init, in_fini
+#define EXTRA_SECTIONS in_init, in_fini
#undef EXTRA_SECTION_FUNCTIONS
#define EXTRA_SECTION_FUNCTIONS \
- CONST_SECTION_FUNCTION \
INIT_SECTION_FUNCTION \
FINI_SECTION_FUNCTION
in_section = in_fini; \
} \
}
-
-#define READONLY_DATA_SECTION() const_section ()
-
-#define CONST_SECTION_FUNCTION \
-void \
-const_section () \
-{ \
- if (!USE_CONST_SECTION) \
- text_section(); \
- else if (in_section != in_const) \
- { \
- fprintf (asm_out_file, "%s\n", CONST_SECTION_ASM_OP); \
- in_section = in_const; \
- } \
-}
-
-/* A C statement or statements to switch to the appropriate
- section for output of DECL. DECL is either a `VAR_DECL' node
- or a constant of some sort. RELOC indicates whether forming
- the initial value of DECL requires link-time relocations. */
-
-#define SELECT_SECTION(DECL,RELOC,ALIGN) \
-{ \
- if (TREE_CODE (DECL) == STRING_CST) \
- { \
- if (! flag_writable_strings) \
- const_section (); \
- else \
- data_section (); \
- } \
- else if (TREE_CODE (DECL) == VAR_DECL) \
- { \
- if ((0 && RELOC) /* should be (flag_pic && RELOC) */ \
- || !TREE_READONLY (DECL) || TREE_SIDE_EFFECTS (DECL) \
- || !DECL_INITIAL (DECL) \
- || (DECL_INITIAL (DECL) != error_mark_node \
- && !TREE_CONSTANT (DECL_INITIAL (DECL)))) \
- data_section (); \
- else \
- const_section (); \
- } \
- else \
- const_section (); \
-}
-
-/* A C statement or statements to switch to the appropriate
- section for output of RTX in mode MODE. RTX is some kind
- of constant in RTL. The argument MODE is redundant except
- in the case of a `const_int' rtx. Currently, these always
- go into the const section. */
-
-#define SELECT_RTX_SECTION(MODE,RTX,ALIGN) const_section()
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