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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 1.1.1.4 ! root 20: the Free Software Foundation, 59 Temple Place - Suite 330, ! 21: Boston, MA 02111-1307, USA. */ 1.1 root 22: 23: 24: #define EXTERNAL_PREFIX '?' 25: #define IMMEDIATE_PREFIX '$' 26: 27: #include "ns32k/ns32k.h" 28: 29: #define SDB_DEBUGGING_INFO 30: #undef DBX_REGISTER_NUMBER 31: #define DBX_REGISTER_NUMBER(REGNO) (REGNO) 32: 33: /* Cause long-jump assembler to be used, 34: since otherwise some files fail to be assembled right. */ 35: #define ASM_SPEC "-j" 36: 37: #undef ASM_FILE_START 38: #undef ASM_GENERATE_INTERNAL_LABEL 39: #undef ASM_OUTPUT_ADDR_DIFF_ELT 40: #undef ASM_OUTPUT_ALIGN 41: #undef ASM_OUTPUT_ASCII 42: #undef ASM_OUTPUT_DOUBLE 43: #undef ASM_OUTPUT_INT 44: #undef ASM_OUTPUT_INTERNAL_LABEL 45: #undef ASM_OUTPUT_LOCAL 46: #undef CPP_PREDEFINES 47: #undef FUNCTION_BOUNDARY 48: #undef PRINT_OPERAND 49: #undef PRINT_OPERAND_ADDRESS 50: #undef TARGET_VERSION 51: #undef FUNCTION_PROFILER 52: #undef ASM_OUTPUT_LABELREF_AS_INT 53: 54: #define TARGET_DEFAULT 9 /* 32332 with 32081. */ 55: #define TARGET_VERSION fprintf (stderr, " (32000, Encore syntax)"); 56: /* Note Encore does not standardly do -Dencore. */ 57: /* budd: should have a -ns32332 (or -apc) switch! but no harm for now */ 1.1.1.2 root 58: #define CPP_PREDEFINES "-Dns32000 -Dn16 -Dns16000 -Dns32332 -Dunix -Asystem(unix) -Acpu(ns32k) -Amachine(ns32k)" 1.1 root 59: 60: /* Ignore certain cpp directives used in header files on sysV. */ 61: #define SCCS_DIRECTIVE 62: 63: /* Output #ident as a .ident. */ 64: #define ASM_OUTPUT_IDENT(FILE, NAME) fprintf (FILE, "\t.ident \"%s\"\n", NAME); 65: 66: /* The .file command should always begin the output. */ 67: #define ASM_FILE_START(FILE) \ 68: output_file_directive ((FILE), main_input_filename) 69: 70: #define FUNCTION_BOUNDARY 128 /* speed optimization */ 71: 72: /* 73: * The Encore assembler uses ".align 2" to align on 2-byte boundaries. 74: */ 75: 76: #define ASM_OUTPUT_ALIGN(FILE,LOG) \ 77: fprintf (FILE, "\t.align %d\n", 1 << (LOG)) 78: 1.1.1.2 root 79: /* The Encore assembler doesn't seem to accept the usual second argument 80: and warns that .align may not work in the text section if optimization 81: is on. */ 82: #undef ASM_OUTPUT_ALIGN_CODE 83: #define ASM_OUTPUT_ALIGN_CODE(FILE) 84: 1.1 root 85: /* 86: * Internal labels are prefixed with a period. 87: */ 88: 89: #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ 90: sprintf (LABEL, "*.%s%d", PREFIX, NUM) 91: #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \ 92: fprintf (FILE, ".%s%d:\n", PREFIX, NUM) 93: #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \ 1.1.1.2 root 94: fprintf (FILE, "\t.double .L%d-.LI%d\n", VALUE, REL) 1.1 root 95: 96: /* 97: * Different syntax for integer constants, double constants, and 98: * uninitialized locals. 99: */ 100: 101: #define ASM_OUTPUT_INT(FILE,VALUE) \ 102: ( fprintf (FILE, "\t.double "), \ 103: output_addr_const (FILE, (VALUE)), \ 104: fprintf (FILE, "\n")) 105: 106: #define ASM_OUTPUT_LABELREF_AS_INT(STREAM, NAME) \ 107: do { \ 108: fprintf (STREAM, "\t.double\t"); \ 109: ASM_OUTPUT_LABELREF (STREAM, NAME); \ 110: fprintf (STREAM, "\n"); \ 111: } while (0) 112: 113: 114: #define ASM_OUTPUT_DOUBLE(FILE,VALUE) \ 115: fprintf (FILE, "\t.long 0f%.20e\n", (VALUE)) 116: 117: #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \ 118: ( fputs ("\t.bss ", (FILE)), \ 119: assemble_name ((FILE), (NAME)), \ 120: fprintf ((FILE), ",%u,%u\n", (SIZE), (ROUNDED))) 121: 122: /* 123: * Encore assembler can't handle huge string constants like the one in 124: * gcc.c. If the default routine in varasm.c were more conservative, this 125: * code could be eliminated. It starts a new .ascii directive every 40 126: * characters. 127: */ 128: 129: #define ASM_OUTPUT_ASCII(file, p, size) \ 1.1.1.3 root 130: do { \ 1.1.1.2 root 131: int i; \ 1.1 root 132: for (i = 0; i < (size); i++) \ 133: { \ 134: register int c = (p)[i]; \ 135: if ((i / 40) * 40 == i) \ 136: if (i == 0) \ 137: fprintf ((file), "\t.ascii \""); \ 138: else \ 139: fprintf ((file), "\"\n\t.ascii \""); \ 140: if (c == '\"' || c == '\\') \ 141: putc ('\\', (file)); \ 142: if (c >= ' ' && c < 0177) \ 143: putc (c, (file)); \ 144: else \ 145: { \ 146: fprintf ((file), "\\%o", c); \ 147: if (i < (size) - 1 \ 148: && (p)[i + 1] >= '0' && (p)[i + 1] <= '9')\ 149: fprintf ((file), "\"\n\t.ascii \""); \ 150: } \ 151: } \ 152: fprintf ((file), "\"\n"); \ 1.1.1.3 root 153: } while (0) 1.1 root 154: 155: /* Modify syntax of jsr instructions. */ 156: #define CALL_MEMREF_IMPLICIT 157: 158: #define NO_ABSOLUTE_PREFIX_IF_SYMBOLIC 159: 160: #define PRINT_OPERAND(FILE, X, CODE) print_operand(FILE, X, CODE) 161: 162: #define PRINT_OPERAND_ADDRESS(FILE, ADDR) print_operand_address(FILE, ADDR) 163: 164: /* Change the way in which data is allocated and initialized on the 165: encore so that both private and shared data are supported. Shared data 166: that is initialized must be contained in the ".shrdata" section 167: of the program. This is accomplished by defining the SHARED_SECTION_ASM_OP 168: macro. Share data that is simply allocated, and not initialized must 169: be prefixed with the ".shrcomm" or ".shrbss" pseudo op, for common or 170: local data respectively. This is accomplished by redefining the 171: ASM_OUTPUT_COMMON and ASM_OUTPUT_LOCAL macros. */ 172: 173: /* Assembler pseudo-op for shared data segment. */ 174: 175: #define SHARED_SECTION_ASM_OP ".shrdata" 176: 177: /* This says how to output an assembler line 178: to define a shared common symbol. */ 179: 180: #define ASM_OUTPUT_SHARED_COMMON(FILE, NAME, SIZE, ROUNDED) \ 181: ( fputs (".shrcomm ", (FILE)), \ 182: assemble_name ((FILE), (NAME)), \ 183: fprintf ((FILE), ",%d\n", (ROUNDED))) 184: 185: /* This says how to output an assembler line 186: to define a shared local symbol. */ 187: 188: #define ASM_OUTPUT_SHARED_LOCAL(FILE, NAME, SIZE, ROUNDED) \ 189: ( fputs ("\t.shrbss ", (FILE)), \ 190: assemble_name ((FILE), (NAME)), \ 191: fprintf ((FILE), ",%d,%d\n", (SIZE), (ROUNDED))) 192: 193: #define FUNCTION_PROFILER(FILE, LABELNO) \ 194: fprintf (FILE, "\taddr .LP%d,r0\n\tjsr mcount\n", (LABELNO)) 195: 196: #define ENCORE_ASM
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