1 /* Definitions for BSD assembler syntax for Intel 386 2 (actually AT&T syntax for insns and operands, 3 adapted to BSD conventions for symbol names and debugging.) 4 Copyright (C) 1988-2020 Free Software Foundation, Inc. 5 6 This file is part of GCC. 7 8 GCC 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 3, or (at your option) 11 any later version. 12 13 GCC 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 GCC; see the file COPYING3. If not see 20 <http://www.gnu.org/licenses/>. */ 21 22 /* Use the Sequent Symmetry assembler syntax. */ 23 24 /* Define the syntax of pseudo-ops, labels and comments. */ 25 26 /* Prefix for internally generated assembler labels. If we aren't using 27 underscores, we are using prefix `.'s to identify labels that should 28 be ignored, as in `i386/gas.h' --karl@cs.umb.edu */ 29 30 #define LPREFIX "L" 31 32 /* Assembler pseudos to introduce constants of various size. */ 33 34 #define ASM_BYTE "\t.byte\t" 35 #define ASM_SHORT "\t.word\t" 36 #define ASM_LONG "\t.long\t" 37 #define ASM_QUAD "\t.quad\t" /* Should not be used for 32bit compilation. */ 38 39 /* This was suggested, but it shouldn't be right for DBX output. -- RMS 40 #define ASM_OUTPUT_SOURCE_FILENAME(FILE, NAME) */ 41 42 43 /* Define the syntax of labels and symbol definitions/declarations. */ 44 45 /* This is how to output an assembler line 46 that says to advance the location counter by SIZE bytes. */ 47 48 #define ASM_OUTPUT_SKIP(FILE,SIZE) \ 49 fprintf (FILE, "\t.space " HOST_WIDE_INT_PRINT_UNSIGNED"\n", (SIZE)) 50 51 /* Define the syntax of labels and symbol definitions/declarations. */ 52 53 /* This says how to output an assembler line 54 to define a global common symbol. */ 55 56 #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \ 57 ( fputs (".comm ", (FILE)), \ 58 assemble_name ((FILE), (NAME)), \ 59 fprintf ((FILE), ",%u\n", (int)(ROUNDED))) 60 61 /* This says how to output an assembler line 62 to define a local common symbol. */ 63 64 #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \ 65 ( fputs (".lcomm ", (FILE)), \ 66 assemble_name ((FILE), (NAME)), \ 67 fprintf ((FILE), ",%u\n", (int)(ROUNDED))) 68 69 #ifdef HAVE_GAS_LCOMM_WITH_ALIGNMENT 70 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGNMENT) \ 71 ( fputs (".lcomm ", (FILE)), \ 72 assemble_name ((FILE), (NAME)), \ 73 fprintf ((FILE), ",%u,%u\n", (int)(SIZE), (int)(ALIGNMENT) / BITS_PER_UNIT)) 74 #endif 75 76 /* This is how to output an assembler line 77 that says to advance the location counter 78 to a multiple of 2**LOG bytes. */ 79 80 #define ASM_OUTPUT_ALIGN(FILE,LOG) \ 81 if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", (LOG)) 82 83 /* This is how to store into the string BUF 84 the symbol_ref name of an internal numbered label where 85 PREFIX is the class of label and NUM is the number within the class. 86 This is suitable for output with `assemble_name'. */ 87 88 #define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER) \ 89 sprintf ((BUF), "*%s%ld", (PREFIX), (long)(NUMBER)) 90 91 /* The prefix to add to user-visible assembler symbols. */ 92 93 #define USER_LABEL_PREFIX "_" 94 95 /* Sequent has some changes in the format of DBX symbols. */ 96 #define DBX_NO_XREFS 1 97 98 /* Don't split DBX symbols into continuations. */ 99 #define DBX_CONTIN_LENGTH 0 100