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1.1 root 1: /* Definitions of target machine for GNU compiler. ENCORE NS32000 version. 1.1.1.3 ! root 2: Copyright (C) 1988, 1993 Free Software Foundation, Inc. 1.1 root 3: Adapted by Robert Brown ([email protected]) from the Sequent 1.1.1.3 ! root 4: version by Michael Tiemann ([email protected]). 1.1 root 5: 6: This file is part of GNU CC. 7: 8: GNU CC is free software; you can redistribute it and/or modify 9: it under the terms of the GNU General Public License as published by 10: the Free Software Foundation; either version 2, or (at your option) 11: any later version. 12: 13: GNU CC is distributed in the hope that it will be useful, 14: but WITHOUT ANY WARRANTY; without even the implied warranty of 15: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16: GNU General Public License for more details. 17: 18: You should have received a copy of the GNU General Public License 19: along with GNU CC; see the file COPYING. If not, write to 20: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ 21: 22: 23: #define EXTERNAL_PREFIX '?' 24: #define IMMEDIATE_PREFIX '$' 25: 26: #include "ns32k/ns32k.h" 27: 28: #define SDB_DEBUGGING_INFO 29: #undef DBX_REGISTER_NUMBER 30: #define DBX_REGISTER_NUMBER(REGNO) (REGNO) 31: 32: /* Cause long-jump assembler to be used, 33: since otherwise some files fail to be assembled right. */ 34: #define ASM_SPEC "-j" 35: 36: #undef ASM_FILE_START 37: #undef ASM_GENERATE_INTERNAL_LABEL 38: #undef ASM_OUTPUT_ADDR_DIFF_ELT 39: #undef ASM_OUTPUT_ALIGN 40: #undef ASM_OUTPUT_ASCII 41: #undef ASM_OUTPUT_DOUBLE 42: #undef ASM_OUTPUT_INT 43: #undef ASM_OUTPUT_INTERNAL_LABEL 44: #undef ASM_OUTPUT_LOCAL 45: #undef CPP_PREDEFINES 46: #undef FUNCTION_BOUNDARY 47: #undef PRINT_OPERAND 48: #undef PRINT_OPERAND_ADDRESS 49: #undef TARGET_VERSION 50: #undef FUNCTION_PROFILER 51: #undef ASM_OUTPUT_LABELREF_AS_INT 52: 53: #define TARGET_DEFAULT 9 /* 32332 with 32081. */ 54: #define TARGET_VERSION fprintf (stderr, " (32000, Encore syntax)"); 55: /* Note Encore does not standardly do -Dencore. */ 56: /* budd: should have a -ns32332 (or -apc) switch! but no harm for now */ 1.1.1.2 root 57: #define CPP_PREDEFINES "-Dns32000 -Dn16 -Dns16000 -Dns32332 -Dunix -Asystem(unix) -Acpu(ns32k) -Amachine(ns32k)" 1.1 root 58: 59: /* Ignore certain cpp directives used in header files on sysV. */ 60: #define SCCS_DIRECTIVE 61: 62: /* Output #ident as a .ident. */ 63: #define ASM_OUTPUT_IDENT(FILE, NAME) fprintf (FILE, "\t.ident \"%s\"\n", NAME); 64: 65: /* The .file command should always begin the output. */ 66: #define ASM_FILE_START(FILE) \ 67: output_file_directive ((FILE), main_input_filename) 68: 69: #define FUNCTION_BOUNDARY 128 /* speed optimization */ 70: 71: /* 72: * The Encore assembler uses ".align 2" to align on 2-byte boundaries. 73: */ 74: 75: #define ASM_OUTPUT_ALIGN(FILE,LOG) \ 76: fprintf (FILE, "\t.align %d\n", 1 << (LOG)) 77: 1.1.1.2 root 78: /* The Encore assembler doesn't seem to accept the usual second argument 79: and warns that .align may not work in the text section if optimization 80: is on. */ 81: #undef ASM_OUTPUT_ALIGN_CODE 82: #define ASM_OUTPUT_ALIGN_CODE(FILE) 83: 1.1 root 84: /* 85: * Internal labels are prefixed with a period. 86: */ 87: 88: #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ 89: sprintf (LABEL, "*.%s%d", PREFIX, NUM) 90: #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \ 91: fprintf (FILE, ".%s%d:\n", PREFIX, NUM) 92: #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \ 1.1.1.2 root 93: fprintf (FILE, "\t.double .L%d-.LI%d\n", VALUE, REL) 1.1 root 94: 95: /* 96: * Different syntax for integer constants, double constants, and 97: * uninitialized locals. 98: */ 99: 100: #define ASM_OUTPUT_INT(FILE,VALUE) \ 101: ( fprintf (FILE, "\t.double "), \ 102: output_addr_const (FILE, (VALUE)), \ 103: fprintf (FILE, "\n")) 104: 105: #define ASM_OUTPUT_LABELREF_AS_INT(STREAM, NAME) \ 106: do { \ 107: fprintf (STREAM, "\t.double\t"); \ 108: ASM_OUTPUT_LABELREF (STREAM, NAME); \ 109: fprintf (STREAM, "\n"); \ 110: } while (0) 111: 112: 113: #define ASM_OUTPUT_DOUBLE(FILE,VALUE) \ 114: fprintf (FILE, "\t.long 0f%.20e\n", (VALUE)) 115: 116: #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \ 117: ( fputs ("\t.bss ", (FILE)), \ 118: assemble_name ((FILE), (NAME)), \ 119: fprintf ((FILE), ",%u,%u\n", (SIZE), (ROUNDED))) 120: 121: /* 122: * Encore assembler can't handle huge string constants like the one in 123: * gcc.c. If the default routine in varasm.c were more conservative, this 124: * code could be eliminated. It starts a new .ascii directive every 40 125: * characters. 126: */ 127: 128: #define ASM_OUTPUT_ASCII(file, p, size) \ 1.1.1.3 ! root 129: do { \ 1.1.1.2 root 130: int i; \ 1.1 root 131: for (i = 0; i < (size); i++) \ 132: { \ 133: register int c = (p)[i]; \ 134: if ((i / 40) * 40 == i) \ 135: if (i == 0) \ 136: fprintf ((file), "\t.ascii \""); \ 137: else \ 138: fprintf ((file), "\"\n\t.ascii \""); \ 139: if (c == '\"' || c == '\\') \ 140: putc ('\\', (file)); \ 141: if (c >= ' ' && c < 0177) \ 142: putc (c, (file)); \ 143: else \ 144: { \ 145: fprintf ((file), "\\%o", c); \ 146: if (i < (size) - 1 \ 147: && (p)[i + 1] >= '0' && (p)[i + 1] <= '9')\ 148: fprintf ((file), "\"\n\t.ascii \""); \ 149: } \ 150: } \ 151: fprintf ((file), "\"\n"); \ 1.1.1.3 ! root 152: } while (0) 1.1 root 153: 154: /* Modify syntax of jsr instructions. */ 155: #define CALL_MEMREF_IMPLICIT 156: 157: #define NO_ABSOLUTE_PREFIX_IF_SYMBOLIC 158: 159: #define PRINT_OPERAND(FILE, X, CODE) print_operand(FILE, X, CODE) 160: 161: #define PRINT_OPERAND_ADDRESS(FILE, ADDR) print_operand_address(FILE, ADDR) 162: 163: /* Change the way in which data is allocated and initialized on the 164: encore so that both private and shared data are supported. Shared data 165: that is initialized must be contained in the ".shrdata" section 166: of the program. This is accomplished by defining the SHARED_SECTION_ASM_OP 167: macro. Share data that is simply allocated, and not initialized must 168: be prefixed with the ".shrcomm" or ".shrbss" pseudo op, for common or 169: local data respectively. This is accomplished by redefining the 170: ASM_OUTPUT_COMMON and ASM_OUTPUT_LOCAL macros. */ 171: 172: /* Assembler pseudo-op for shared data segment. */ 173: 174: #define SHARED_SECTION_ASM_OP ".shrdata" 175: 176: /* This says how to output an assembler line 177: to define a shared common symbol. */ 178: 179: #define ASM_OUTPUT_SHARED_COMMON(FILE, NAME, SIZE, ROUNDED) \ 180: ( fputs (".shrcomm ", (FILE)), \ 181: assemble_name ((FILE), (NAME)), \ 182: fprintf ((FILE), ",%d\n", (ROUNDED))) 183: 184: /* This says how to output an assembler line 185: to define a shared local symbol. */ 186: 187: #define ASM_OUTPUT_SHARED_LOCAL(FILE, NAME, SIZE, ROUNDED) \ 188: ( fputs ("\t.shrbss ", (FILE)), \ 189: assemble_name ((FILE), (NAME)), \ 190: fprintf ((FILE), ",%d,%d\n", (SIZE), (ROUNDED))) 191: 192: #define FUNCTION_PROFILER(FILE, LABELNO) \ 193: fprintf (FILE, "\taddr .LP%d,r0\n\tjsr mcount\n", (LABELNO)) 194: 195: #define ENCORE_ASM
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