Initial revision

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@107 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 121 insertions, 0 deletions

diff --git a/gcc/config/i386/unix.h b/gcc/config/i386/unix.h
new file mode 100644
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+++ b/gcc/config/i386/unix.h
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+/* Definitions for Unix assembler syntax for the Intel 80386.
+   Copyright (C) 1988 Free Software Foundation, Inc.
+
+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, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+/* This file defines the aspects of assembler syntax
+   that are the same for all the i386 Unix systems
+   (though they may differ in non-Unix systems).  */
+
+/* Define some concatenation macros to concatenate an opcode
+   and one, two or three operands.  In other assembler syntaxes
+   they may alter the order of ther operands.  */
+
+/* Note that the other files fail to use these
+   in some of the places where they should.  */
+
+#ifdef __STDC__
+#define AS2(a,b,c) #a " " #b "," #c
+#define AS3(a,b,c,d) #a " " #b "," #c "," #d
+#define AS1(a,b) #a " " #b
+#else
+#define AS1(a,b) "a b"
+#define AS2(a,b,c) "a b,c"
+#define AS3(a,b,c,d) "a b,c,d"
+#endif  
+
+/* Output the size-letter for an opcode.
+   CODE is the letter used in an operand spec (L, B, W, S or Q).
+   CH is the corresponding lower case letter
+     (except if CODE is L then CH is `l').  */
+#define PUT_OP_SIZE(CODE,CH,FILE) putc (CH,(FILE))
+
+/* Opcode suffix for fullword insn.  */
+#define L_SIZE "l"
+
+/* Prefix for register names in this syntax.  */
+#define RP "%"
+
+/* Prefix for immediate operands in this syntax.  */
+#define IP "$"
+
+/* Indirect call instructions should use `*'.  */
+#define USE_STAR 1
+
+/* Prefix for a memory-operand X.  */
+#define PRINT_PTR(X, FILE)
+
+/* Delimiters that surround base reg and index reg.  */
+#define ADDR_BEG(FILE) putc('(', (FILE))
+#define ADDR_END(FILE) putc(')', (FILE))
+
+/* Print an index register (whose rtx is IREG).  */
+#define PRINT_IREG(FILE,IREG) \
+  do								\
+  { fputs (",", (FILE)); PRINT_REG ((IREG), 0, (FILE)); }	\
+  while (0)
+  
+/* Print an index scale factor SCALE.  */
+#define PRINT_SCALE(FILE,SCALE) \
+  if ((SCALE) != 1) fprintf ((FILE), ",%d", (SCALE))
+
+/* Print a base/index combination.
+   BREG is the base reg rtx, IREG is the index reg rtx,
+   and SCALE is the index scale factor (an integer).  */
+
+#define PRINT_B_I_S(BREG,IREG,SCALE,FILE) \
+  { ADDR_BEG (FILE); 				\
+    if (BREG) PRINT_REG ((BREG), 0, (FILE));	\
+    if ((IREG) != 0)				\
+      { PRINT_IREG ((FILE), (IREG));		\
+        PRINT_SCALE ((FILE), (SCALE)); }	\
+    ADDR_END (FILE); }
+
+/* Define the syntax of pseudo-ops, labels and comments.  */
+
+/* String containing the assembler's comment-starter.  */
+
+#define ASM_COMMENT_START "/"
+#define COMMENT_BEGIN "/"
+
+/* Output to assembler file text saying following lines
+   may contain character constants, extra white space, comments, etc.  */
+
+#define ASM_APP_ON "/APP\n"
+
+/* Output to assembler file text saying following lines
+   no longer contain unusual constructs.  */
+
+#define ASM_APP_OFF "/NO_APP\n"
+
+/* Output before read-only data.  */
+
+#define TEXT_SECTION_ASM_OP ".text"
+
+/* Output before writable (initialized) data.  */
+
+#define DATA_SECTION_ASM_OP ".data"
+
+/* Output before writable (uninitialized) data.  */
+
+#define BSS_SECTION_ASM_OP ".bss"
+
+/* This is how to output a command to make the user-level label named NAME
+   defined for reference from other files.  */
+
+#define ASM_GLOBALIZE_LABEL(FILE,NAME)	\
+  (fputs (".globl ", FILE), assemble_name (FILE, NAME), fputs ("\n", FILE))