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- /* Definitions of target machine for GNU compiler. ENCORE NS32000 version.
- Copyright (C) 1988 Free Software Foundation, Inc.
- Adapted by Robert Brown (brown@harvard.harvard.edu) from the Sequent
- version by Michael Tiemann (tiemann@mcc.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, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-
- #define EXTERNAL_PREFIX '?'
- #define IMMEDIATE_PREFIX '$'
-
- #include "ns32k/ns32k.h"
-
- #define SDB_DEBUGGING_INFO
- #undef DBX_REGISTER_NUMBER
- #define DBX_REGISTER_NUMBER(REGNO) (REGNO)
-
- /* Cause long-jump assembler to be used,
- since otherwise some files fail to be assembled right. */
- #define ASM_SPEC "-j"
-
- #undef ASM_FILE_START
- #undef ASM_GENERATE_INTERNAL_LABEL
- #undef ASM_OUTPUT_ADDR_DIFF_ELT
- #undef ASM_OUTPUT_ALIGN
- #undef ASM_OUTPUT_ASCII
- #undef ASM_OUTPUT_DOUBLE
- #undef ASM_OUTPUT_INT
- #undef ASM_OUTPUT_INTERNAL_LABEL
- #undef ASM_OUTPUT_LOCAL
- #undef CPP_PREDEFINES
- #undef FUNCTION_BOUNDARY
- #undef PRINT_OPERAND
- #undef PRINT_OPERAND_ADDRESS
- #undef TARGET_VERSION
- #undef FUNCTION_PROFILER
- #undef ASM_OUTPUT_LABELREF_AS_INT
-
- #define TARGET_DEFAULT 9 /* 32332 with 32081. */
- #define TARGET_VERSION fprintf (stderr, " (32000, Encore syntax)");
- /* Note Encore does not standardly do -Dencore. */
- /* budd: should have a -ns32332 (or -apc) switch! but no harm for now */
- #define CPP_PREDEFINES "-Dns32000 -Dn16 -Dns16000 -Dns32332 -Dunix -Asystem(unix) -Acpu(ns32k) -Amachine(ns32k)"
-
- /* Ignore certain cpp directives used in header files on sysV. */
- #define SCCS_DIRECTIVE
-
- /* Output #ident as a .ident. */
- #define ASM_OUTPUT_IDENT(FILE, NAME) fprintf (FILE, "\t.ident \"%s\"\n", NAME);
-
- /* The .file command should always begin the output. */
- #define ASM_FILE_START(FILE) \
- output_file_directive ((FILE), main_input_filename)
-
- #define FUNCTION_BOUNDARY 128 /* speed optimization */
-
- /*
- * The Encore assembler uses ".align 2" to align on 2-byte boundaries.
- */
-
- #define ASM_OUTPUT_ALIGN(FILE,LOG) \
- fprintf (FILE, "\t.align %d\n", 1 << (LOG))
-
- /* The Encore assembler doesn't seem to accept the usual second argument
- and warns that .align may not work in the text section if optimization
- is on. */
- #undef ASM_OUTPUT_ALIGN_CODE
- #define ASM_OUTPUT_ALIGN_CODE(FILE)
-
- /*
- * Internal labels are prefixed with a period.
- */
-
- #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
- sprintf (LABEL, "*.%s%d", PREFIX, NUM)
- #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
- fprintf (FILE, ".%s%d:\n", PREFIX, NUM)
- #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \
- fprintf (FILE, "\t.double .L%d-.LI%d\n", VALUE, REL)
-
- /*
- * Different syntax for integer constants, double constants, and
- * uninitialized locals.
- */
-
- #define ASM_OUTPUT_INT(FILE,VALUE) \
- ( fprintf (FILE, "\t.double "), \
- output_addr_const (FILE, (VALUE)), \
- fprintf (FILE, "\n"))
-
- #define ASM_OUTPUT_LABELREF_AS_INT(STREAM, NAME) \
- do { \
- fprintf (STREAM, "\t.double\t"); \
- ASM_OUTPUT_LABELREF (STREAM, NAME); \
- fprintf (STREAM, "\n"); \
- } while (0)
-
-
- #define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
- fprintf (FILE, "\t.long 0f%.20e\n", (VALUE))
-
- #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
- ( fputs ("\t.bss ", (FILE)), \
- assemble_name ((FILE), (NAME)), \
- fprintf ((FILE), ",%u,%u\n", (SIZE), (ROUNDED)))
-
- /*
- * Encore assembler can't handle huge string constants like the one in
- * gcc.c. If the default routine in varasm.c were more conservative, this
- * code could be eliminated. It starts a new .ascii directive every 40
- * characters.
- */
-
- #define ASM_OUTPUT_ASCII(file, p, size) \
- { \
- int i; \
- for (i = 0; i < (size); i++) \
- { \
- register int c = (p)[i]; \
- if ((i / 40) * 40 == i) \
- if (i == 0) \
- fprintf ((file), "\t.ascii \""); \
- else \
- fprintf ((file), "\"\n\t.ascii \""); \
- if (c == '\"' || c == '\\') \
- putc ('\\', (file)); \
- if (c >= ' ' && c < 0177) \
- putc (c, (file)); \
- else \
- { \
- fprintf ((file), "\\%o", c); \
- if (i < (size) - 1 \
- && (p)[i + 1] >= '0' && (p)[i + 1] <= '9')\
- fprintf ((file), "\"\n\t.ascii \""); \
- } \
- } \
- fprintf ((file), "\"\n"); \
- }
-
- /* Modify syntax of jsr instructions. */
- #define CALL_MEMREF_IMPLICIT
-
- #define NO_ABSOLUTE_PREFIX_IF_SYMBOLIC
-
- #define PRINT_OPERAND(FILE, X, CODE) print_operand(FILE, X, CODE)
-
- #define PRINT_OPERAND_ADDRESS(FILE, ADDR) print_operand_address(FILE, ADDR)
-
- /* Change the way in which data is allocated and initialized on the
- encore so that both private and shared data are supported. Shared data
- that is initialized must be contained in the ".shrdata" section
- of the program. This is accomplished by defining the SHARED_SECTION_ASM_OP
- macro. Share data that is simply allocated, and not initialized must
- be prefixed with the ".shrcomm" or ".shrbss" pseudo op, for common or
- local data respectively. This is accomplished by redefining the
- ASM_OUTPUT_COMMON and ASM_OUTPUT_LOCAL macros. */
-
- /* Assembler pseudo-op for shared data segment. */
-
- #define SHARED_SECTION_ASM_OP ".shrdata"
-
- /* This says how to output an assembler line
- to define a shared common symbol. */
-
- #define ASM_OUTPUT_SHARED_COMMON(FILE, NAME, SIZE, ROUNDED) \
- ( fputs (".shrcomm ", (FILE)), \
- assemble_name ((FILE), (NAME)), \
- fprintf ((FILE), ",%d\n", (ROUNDED)))
-
- /* This says how to output an assembler line
- to define a shared local symbol. */
-
- #define ASM_OUTPUT_SHARED_LOCAL(FILE, NAME, SIZE, ROUNDED) \
- ( fputs ("\t.shrbss ", (FILE)), \
- assemble_name ((FILE), (NAME)), \
- fprintf ((FILE), ",%d,%d\n", (SIZE), (ROUNDED)))
-
- #define FUNCTION_PROFILER(FILE, LABELNO) \
- fprintf (FILE, "\taddr .LP%d,r0\n\tjsr mcount\n", (LABELNO))
-
- #define ENCORE_ASM
-