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Diffstat (limited to 'gcc/config/ns32k/encore.h')
| -rwxr-xr-x | gcc/config/ns32k/encore.h | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/gcc/config/ns32k/encore.h b/gcc/config/ns32k/encore.h new file mode 100755 index 0000000..31e2894 --- /dev/null +++ b/gcc/config/ns32k/encore.h @@ -0,0 +1,196 @@ +/* Definitions of target machine for GNU compiler. ENCORE NS32000 version. + Copyright (C) 1988, 1993 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, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, 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 LABEL_ALIGN_AFTER_BARRIER +#define LABEL_ALIGN_AFTER_BARRIER(LABEL) 0 + +/* + * 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, BODY, 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) \ +do { \ + 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"); \ +} while (0) + +/* 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 |