-/* Definitions for Intel 386 running system V with gnu tools
- Copyright (C) 1988, 1993, 1994 Free Software Foundation, Inc.
+/* Definitions for Intel 386 using GAS.
+ Copyright (C) 1988, 1993, 1994, 1996, 2002 Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+GCC 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,
+GCC 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. */
+along with GCC; see the file COPYING. If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
/* Note that i386/seq-gas.h is a GAS configuration that does not use this
- file. */
-
-#include "i386/i386.h"
-
-#ifndef YES_UNDERSCORES
-/* Define this now, because i386/bsd.h tests it. */
-#define NO_UNDERSCORES
-#endif
+ file. */
/* Use the bsd assembler syntax. */
/* we need to do this because gas is really a bsd style assembler,
* people who want both form will have to compile twice.
*/
-#include "i386/bsd.h"
-
/* these come from i386/bsd.h, but are specific to sequent */
#undef DBX_NO_XREFS
#undef DBX_CONTIN_LENGTH
/* Ask for COFF symbols. */
-#define SDB_DEBUGGING_INFO
-
-/* Specify predefined symbols in preprocessor. */
-
-#define CPP_PREDEFINES "-Dunix -Di386 -Asystem(unix) -Acpu(i386) -Amachine(i386)"
-#define CPP_SPEC "%{posix:-D_POSIX_SOURCE}"
-
-/* Allow #sccs in preprocessor. */
-
-#define SCCS_DIRECTIVE
+#define SDB_DEBUGGING_INFO 1
/* Output #ident as a .ident. */
#define ASM_OUTPUT_IDENT(FILE, NAME) fprintf (FILE, "\t.ident \"%s\"\n", NAME);
-/* Implicit library calls should use memcpy, not bcopy, etc. */
+/* In the past there was confusion as to what the argument to .align was
+ in GAS. For the last several years the rule has been this: for a.out
+ file formats that argument is LOG, and for all other file formats the
+ argument is 1<<LOG.
-#define TARGET_MEM_FUNCTIONS
-
-#if 0 /* People say gas uses the log as the arg to .align. */
-/* When using gas, .align N aligns to an N-byte boundary. */
+ However, GAS now has .p2align and .balign pseudo-ops so to remove any
+ doubt or guess work, and since this file is used for both a.out and other
+ file formats, we use one of them. */
+#ifdef HAVE_GAS_BALIGN_AND_P2ALIGN
#undef ASM_OUTPUT_ALIGN
-#define ASM_OUTPUT_ALIGN(FILE,LOG) \
- if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", 1<<(LOG))
+#define ASM_OUTPUT_ALIGN(FILE,LOG) \
+ if ((LOG)!=0) fprintf ((FILE), "\t.balign %d\n", 1<<(LOG))
#endif
-/* Align labels, etc. at 4-byte boundaries.
- For the 486, align to 16-byte boundary for sake of cache. */
-
-#undef ASM_OUTPUT_ALIGN_CODE
-#define ASM_OUTPUT_ALIGN_CODE(FILE) \
- fprintf ((FILE), "\t.align %d,0x90\n", i386_align_jumps)
+/* A C statement to output to the stdio stream FILE an assembler
+ command to advance the location counter to a multiple of 1<<LOG
+ bytes if it is within MAX_SKIP bytes.
-/* Align start of loop at 4-byte boundary. */
-
-#undef ASM_OUTPUT_LOOP_ALIGN
-#define ASM_OUTPUT_LOOP_ALIGN(FILE) \
- fprintf ((FILE), "\t.align %d,0x90\n", i386_align_loops)
+ This is used to align code labels according to Intel recommendations. */
+#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
+# define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
+ if ((LOG) != 0) {\
+ if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
+ else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
+ }
+#endif
\f
/* A C statement or statements which output an assembler instruction
opcode to the stdio stream STREAM. The macro-operand PTR is a
count is in %cl. Some assemblers require %cl as an argument;
some don't.
- GAS requires the %cl argument, so override i386/unix.h. */
+ GAS requires the %cl argument, so override i386/unix.h. */
-#undef AS3_SHIFT_DOUBLE
-#define AS3_SHIFT_DOUBLE(a,b,c,d) AS3 (a,b,c,d)
+#undef SHIFT_DOUBLE_OMITS_COUNT
+#define SHIFT_DOUBLE_OMITS_COUNT 0
-/* Print opcodes the way that GAS expects them. */
+/* Print opcodes the way that GAS expects them. */
#define GAS_MNEMONICS 1
-#ifdef NO_UNDERSCORES /* If user-symbols don't have underscores,
- then it must take more than `L' to identify
- a label that should be ignored. */
-
-/* This is how to store into the string BUF
- the symbol_ref name of an internal numbered label where
- PREFIX is the class of label and NUM is the number within the class.
- This is suitable for output with `assemble_name'. */
-
-#undef ASM_GENERATE_INTERNAL_LABEL
-#define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER) \
- sprintf ((BUF), ".%s%d", (PREFIX), (NUMBER))
-
-/* This is how to output an internal numbered label where
- PREFIX is the class of label and NUM is the number within the class. */
-
-#undef ASM_OUTPUT_INTERNAL_LABEL
-#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
- fprintf (FILE, ".%s%d:\n", PREFIX, NUM)
+/* The comment-starter string as GAS expects it. */
+#undef ASM_COMMENT_START
+#define ASM_COMMENT_START "#"
-#endif /* NO_UNDERSCORES */
+#define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
OSDN Git Service
