+++ /dev/null
-/* Target definitions for GNU compiler for Intel 80860 running System V.3
- Copyright (C) 1991, 1996, 2000 Free Software Foundation, Inc.
- Contributed by Ron Guilmette (rfg@monkeys.com).
-
-This file is part of GNU CC.
-
-GNU CC is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU CC is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
-
-#undef TARGET_VERSION
-#define TARGET_VERSION fprintf (stderr, " (i860, System V Release 3)")
-
-/* Provide a set of pre-definitions and pre-assertions appropriate for
- the i860 running svr3. */
-#define CPP_PREDEFINES "-Di860 -Dunix -D__svr3__ -Asystem=unix -Asystem=svr3 -Acpu=i860 -Amachine=i860"
-
-/* Use crt1.o as a startup file and crtn.o as a closing file. */
-
-#define STARTFILE_SPEC \
- "%{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}}"
-
-#define LIB_SPEC "%{p:-L/usr/lib/libp}%{pg:-L/usr/lib/libp} -lc crtn.o%s"
-
-/* Special flags for the linker. I don't know what they do. */
-
-#define LINK_SPEC "%{T*} %{z:-lm}"
-
-/* The prefix to be used in assembler output for all names of registers.
- None is needed in V.3. */
-
-#define I860_REG_PREFIX ""
-
-/* Delimiter that starts comments in the assembler code. */
-
-#define ASM_COMMENT_START "//"
-
-/* Output the special word the System V SDB wants to see just before
- the first word of each function's prologue code. */
-
-extern const char *current_function_original_name;
-
-/* This special macro is used to output a magic word just before the
- first word of each function. On some versions of UNIX running on
- the i860, this word can be any word that looks like a NOP, however
- under svr4, this neds to be an `shr r0,r0,r0' instruction in which
- the normally unused low-order bits contain the length of the function
- prologue code (in bytes). This is needed to make the System V SDB
- debugger happy. */
-
-#undef ASM_OUTPUT_FUNCTION_PREFIX
-#define ASM_OUTPUT_FUNCTION_PREFIX(FILE, FNNAME) \
- do { ASM_OUTPUT_ALIGN (FILE, 2); \
- fprintf ((FILE), "\t.long\t.ep."); \
- assemble_name (FILE, FNNAME); \
- fprintf (FILE, "-"); \
- assemble_name (FILE, FNNAME); \
- fprintf (FILE, "+0xc8000000\n"); \
- current_function_original_name = (FNNAME); \
- } while (0)
-
-/* Output the special label that must go just after each function's
- prologue code to support svr4 SDB. */
-
-#define ASM_OUTPUT_PROLOGUE_SUFFIX(FILE) \
- do { fprintf (FILE, ".ep."); \
- assemble_name (FILE, current_function_original_name); \
- fprintf (FILE, ":\n"); \
- } while (0)
-
-/* This says how to output an assembler line
- to define a local common symbol.
- The difference from svr3.h is we don't limit align to 2. */
-
-#undef ASM_OUTPUT_LOCAL
-#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
- do { \
- int align = exact_log2 (ROUNDED); \
- data_section (); \
- ASM_OUTPUT_ALIGN ((FILE), align == -1 ? 2 : align); \
- ASM_OUTPUT_LABEL ((FILE), (NAME)); \
- fprintf ((FILE), "\t.set .,.+%u\n", (ROUNDED)); \
- } while (0)
-
-/* The routine used to output string literals. */
-
-#define ASCII_DATA_ASM_OP "\t.byte\t"
-
-#define ASM_OUTPUT_ASCII(FILE, STR, LENGTH) \
- do \
- { \
- register const unsigned char *str = (const unsigned char *) (STR); \
- register const unsigned char *limit = str + (LENGTH); \
- register unsigned bytes_in_chunk = 0; \
- for (; str < limit; str++) \
- { \
- register unsigned ch = *str; \
- if (ch < 32 || ch == '\\' || ch == '"' || ch >= 127) \
- { \
- if (bytes_in_chunk > 0) \
- { \
- fprintf ((FILE), "\"\n"); \
- bytes_in_chunk = 0; \
- } \
- assemble_aligned_integer (1, GEN_INT (ch)); \
- } \
- else \
- { \
- if (bytes_in_chunk >= 60) \
- { \
- fprintf ((FILE), "\"\n"); \
- bytes_in_chunk = 0; \
- } \
- if (bytes_in_chunk == 0) \
- fprintf ((FILE), "%s\"", ASCII_DATA_ASM_OP); \
- putc (ch, (FILE)); \
- bytes_in_chunk++; \
- } \
- } \
- if (bytes_in_chunk > 0) \
- fprintf ((FILE), "\"\n"); \
- } \
- while (0)
-
-
-#undef CTORS_SECTION_ASM_OP
-#define CTORS_SECTION_ASM_OP "\t.section\t.ctors,\"x\""
-#undef DTORS_SECTION_ASM_OP
-#define DTORS_SECTION_ASM_OP "\t.section\t.dtors,\"x\""
-
-/* Add definitions to support the .tdesc section as specified in the svr4
- ABI for the i860. */
-
-#define TDESC_SECTION_ASM_OP "\t.section\t.tdesc"
-
-#undef EXTRA_SECTIONS
-#define EXTRA_SECTIONS in_const, in_tdesc
-
-#undef EXTRA_SECTION_FUNCTIONS
-#define EXTRA_SECTION_FUNCTIONS \
- CONST_SECTION_FUNCTION \
- TDESC_SECTION_FUNCTION
-
-#define TDESC_SECTION_FUNCTION \
-void \
-tdesc_section () \
-{ \
- if (in_section != in_tdesc) \
- { \
- fprintf (asm_out_file, "%s\n", TDESC_SECTION_ASM_OP); \
- in_section = in_tdesc; \
- } \
-}
-
-/* Enable the `const' section that svr3.h defines how to use. */
-#undef USE_CONST_SECTION
-#define USE_CONST_SECTION 1
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