-/* svr3.h -- operating system specific defines to be used when
- targeting GCC for some generic System V Release 3 system.
- Copyright (C) 1991 Free Software Foundation, Inc.
-
- Written by Ron Guilmette (rfg@netcom.com).
+/* Operating system specific defines to be used when targeting GCC for
+ generic System V Release 3 system.
+ Copyright (C) 1991, 1996, 2000, 2002 Free Software Foundation, Inc.
+ Contributed by Ron Guilmette (rfg@monkeys.com).
This file is part of GNU CC.
#undef ASM_FILE_START
#define ASM_FILE_START(FILE) \
do { output_file_directive ((FILE), main_input_filename); \
- if (optimize) ASM_FILE_START_1 (FILE); \
+ if (optimize) { ASM_FILE_START_1 (FILE); } \
} while (0)
/* By default, do nothing: a few machines support .optim, but not most. */
#define STARTFILE_SPEC \
"%{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}}"
+#ifdef CROSS_COMPILE
+#define LIB_SPEC "-lc crtn.o%s"
+#else
#define LIB_SPEC "%{p:-L/usr/lib/libp}%{pg:-L/usr/lib/libp} -lc crtn.o%s"
+#endif
/* Special flags for the linker. I don't know what they do. */
#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 hsould work for most svr3 systems. */
-
-#undef ASM_BYTE_OP
-#define ASM_BYTE_OP "\t.byte"
-
-/* This is how to output a reference to a user-level label named NAME.
- `assemble_name' uses this.
+/* The prefix to add to user-visible assembler symbols.
For System V Release 3 the convention is to prepend a leading
underscore onto user-level symbol names. */
-#undef ASM_OUTPUT_LABELREF
-#define ASM_OUTPUT_LABELREF(FILE,NAME) fprintf (FILE, "_%s", NAME)
-
-/* This is how to output an internal numbered label where
- PREFIX is the class of label and NUM is the number within the class.
-
- For most svr3 systems, the convention is that any symbol which begins
- with a period is not put into the linker symbol table by the assembler. */
-
-#undef ASM_OUTPUT_INTERNAL_LABEL
-#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
- asm_fprintf (FILE, "%0L%s%d:\n", PREFIX, NUM)
+#undef USER_LABEL_PREFIX
+#define USER_LABEL_PREFIX "_"
/* This is how to store into the string LABEL
the symbol_ref name of an internal numbered label where
#undef ASM_GENERATE_INTERNAL_LABEL
#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
- sprintf (LABEL, "*%s%s%d", LOCAL_LABEL_PREFIX, PREFIX, NUM)
+ sprintf (LABEL, "*%s%s%ld", LOCAL_LABEL_PREFIX, PREFIX, (long)(NUM))
/* We want local labels to start with period if made with asm_fprintf. */
#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.
and CTOR_LIST_END to contribute to the .init section an instruction to
push a word containing 0 (or some equivalent of that).
- Define ASM_OUTPUT_CONSTRUCTOR to push the address of the constructor. */
+ Define TARGET_ASM_CONSTRUCTOR to push the address of the constructor. */
-#define USE_CONST_SECTION 0
-
-#define INIT_SECTION_ASM_OP ".section\t.init"
-#define FINI_SECTION_ASM_OP ".section .fini,\"x\""
-#define CONST_SECTION_ASM_OP ".section\t.rodata, \"x\""
-#define CTORS_SECTION_ASM_OP INIT_SECTION_ASM_OP
+#define INIT_SECTION_ASM_OP "\t.section\t.init"
+#define FINI_SECTION_ASM_OP "\t.section .fini,\"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 .init and .fini, in addition to .bss from att386.h. */
-
#undef EXTRA_SECTIONS
-#define EXTRA_SECTIONS in_const, in_bss, in_init, in_fini
+#define EXTRA_SECTIONS in_init, in_fini
#undef EXTRA_SECTION_FUNCTIONS
#define EXTRA_SECTION_FUNCTIONS \
- CONST_SECTION_FUNCTION \
- BSS_SECTION_FUNCTION \
INIT_SECTION_FUNCTION \
FINI_SECTION_FUNCTION
-#define BSS_SECTION_FUNCTION \
-void \
-bss_section () \
-{ \
- if (in_section != in_bss) \
- { \
- fprintf (asm_out_file, "\t%s\n", BSS_SECTION_ASM_OP); \
- in_section = in_bss; \
- } \
-}
-
#define INIT_SECTION_FUNCTION \
void \
init_section () \
{ \
if (in_section != in_init) \
{ \
- fprintf (asm_out_file, "\t%s\n", INIT_SECTION_ASM_OP); \
+ fprintf (asm_out_file, "%s\n", INIT_SECTION_ASM_OP); \
in_section = in_init; \
} \
}
{ \
if (in_section != in_fini) \
{ \
- fprintf (asm_out_file, "\t%s\n", FINI_SECTION_ASM_OP); \
+ fprintf (asm_out_file, "%s\n", FINI_SECTION_ASM_OP); \
in_section = in_fini; \
} \
}
-
-#define READONLY_DATA_SECTION() const_section ()
-
-#define CONST_SECTION_FUNCTION \
-void \
-const_section () \
-{ \
- extern void text_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; \
- } \
-}
-
-/* The ctors and dtors sections are not normally put into use
- by EXTRA_SECTIONS and EXTRA_SECTION_FUNCTIONS as defined in svr3.h,
- but it can't hurt to define these macros for whatever systems use them. */
-#define CTORS_SECTION_FUNCTION \
-void \
-ctors_section () \
-{ \
- if (in_section != in_ctors) \
- { \
- fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP); \
- in_section = in_ctors; \
- } \
-}
-
-#define DTORS_SECTION_FUNCTION \
-void \
-dtors_section () \
-{ \
- if (in_section != in_dtors) \
- { \
- fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP); \
- in_section = in_dtors; \
- } \
-}
-
-/* This is machine-dependent
- because it needs to push something on the stack. */
-#undef ASM_OUTPUT_CONSTRUCTOR
-
-/* A C statement (sans semicolon) to output an element in the table of
- global destructors. */
-#define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \
- do { \
- fini_section (); \
- fprintf (FILE, "%s\t ", ASM_LONG); \
- assemble_name (FILE, NAME); \
- fprintf (FILE, "\n"); \
- } while (0)
-
-/* 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) \
-{ \
- 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) const_section()
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