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, 1996, 2000, 2002, 2007, 2008 5 Free Software Foundation, Inc. 6 7 This file is part of GCC. 8 9 GCC is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 3, or (at your option) 12 any later version. 13 14 GCC is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with GCC; see the file COPYING3. If not see 21 <http://www.gnu.org/licenses/>. */ 22 23 /* Use the Sequent Symmetry assembler syntax. */ 24 25 /* Define the syntax of pseudo-ops, labels and comments. */ 26 27 /* Prefix for internally generated assembler labels. If we aren't using 28 underscores, we are using prefix `.'s to identify labels that should 29 be ignored, as in `i386/gas.h' --karl@cs.umb.edu */ 30 31 #define LPREFIX "L" 32 33 /* Assembler pseudos to introduce constants of various size. */ 34 35 #define ASM_BYTE "\t.byte\t" 36 #define ASM_SHORT "\t.word\t" 37 #define ASM_LONG "\t.long\t" 38 #define ASM_QUAD "\t.quad\t" /* Should not be used for 32bit compilation. */ 39 40 /* This was suggested, but it shouldn't be right for DBX output. -- RMS 41 #define ASM_OUTPUT_SOURCE_FILENAME(FILE, NAME) */ 42 43 44 /* Define the syntax of labels and symbol definitions/declarations. */ 45 46 /* This is how to output an assembler line 47 that says to advance the location counter by SIZE bytes. */ 48 49 #define ASM_OUTPUT_SKIP(FILE,SIZE) \ 50 fprintf (FILE, "\t.space "HOST_WIDE_INT_PRINT_UNSIGNED"\n", (SIZE)) 51 52 /* Define the syntax of labels and symbol definitions/declarations. */ 53 54 /* This says how to output an assembler line 55 to define a global common symbol. */ 56 57 #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \ 58 ( fputs (".comm ", (FILE)), \ 59 assemble_name ((FILE), (NAME)), \ 60 fprintf ((FILE), ",%u\n", (int)(ROUNDED))) 61 62 /* This says how to output an assembler line 63 to define a local common symbol. */ 64 65 #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \ 66 ( fputs (".lcomm ", (FILE)), \ 67 assemble_name ((FILE), (NAME)), \ 68 fprintf ((FILE), ",%u\n", (int)(ROUNDED))) 69 70 #ifdef HAVE_GAS_LCOMM_WITH_ALIGNMENT 71 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGNMENT) \ 72 ( fputs (".lcomm ", (FILE)), \ 73 assemble_name ((FILE), (NAME)), \ 74 fprintf ((FILE), ",%u,%u\n", (int)(SIZE), (int)(ALIGNMENT) / BITS_PER_UNIT)) 75 #endif 76 77 /* This is how to output an assembler line 78 that says to advance the location counter 79 to a multiple of 2**LOG bytes. */ 80 81 #define ASM_OUTPUT_ALIGN(FILE,LOG) \ 82 if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", (LOG)) 83 84 /* This is how to store into the string BUF 85 the symbol_ref name of an internal numbered label where 86 PREFIX is the class of label and NUM is the number within the class. 87 This is suitable for output with `assemble_name'. */ 88 89 #define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER) \ 90 sprintf ((BUF), "*%s%ld", (PREFIX), (long)(NUMBER)) 91 92 /* The prefix to add to user-visible assembler symbols. */ 93 94 #define USER_LABEL_PREFIX "_" 95 96 /* Sequent has some changes in the format of DBX symbols. */ 97 #define DBX_NO_XREFS 1 98 99 /* Don't split DBX symbols into continuations. */ 100 #define DBX_CONTIN_LENGTH 0 101