-/* Definitions for Intel 386 running system V with gnu tools
- Copyright (C) 1988 Free Software Foundation, Inc.
+/* Definitions for Intel 386 using GAS.
+ Copyright (C) 1988, 1993, 1994, 1996 Free Software Foundation, Inc.
This file is part of GNU CC.
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. */
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
-/* Note that seq386gas.h is a GAS configuration that does not use this
+/* Note that i386/seq-gas.h is a GAS configuration that does not use this
file. */
-#include "i386.h"
+#include "i386/i386.h"
+
+#ifndef YES_UNDERSCORES
+/* Define this now, because i386/bsd.h tests it. */
+#define NO_UNDERSCORES
+#endif
+
/* Use the bsd assembler syntax. */
/* we need to do this because gas is really a bsd style assembler,
* and so doesn't work well this these att-isms:
* people who want both form will have to compile twice.
*/
-#include "bsd386.h"
+#include "i386/bsd.h"
-/* these come from bsd386.h, but are specific to sequent */
+/* these come from i386/bsd.h, but are specific to sequent */
#undef DBX_NO_XREFS
#undef DBX_CONTIN_LENGTH
-/* By default, target has a 80387. */
+/* Ask for COFF symbols. */
-#define TARGET_DEFAULT 1
+#define SDB_DEBUGGING_INFO
/* Specify predefined symbols in preprocessor. */
-#define CPP_PREDEFINES "-Dunix -Di386"
+#define CPP_PREDEFINES "-Dunix -Di386 -Asystem(unix) -Acpu(i386) -Amachine(i386)"
+#define CPP_SPEC "%{posix:-D_POSIX_SOURCE}"
/* Allow #sccs in preprocessor. */
#define ASM_OUTPUT_IDENT(FILE, NAME) fprintf (FILE, "\t.ident \"%s\"\n", NAME);
-/* We do not want to output SDB debugging information. */
-
-#undef SDB_DEBUGGING_INFO
-
-/* We want to output DBX debugging information. */
-
-#define DBX_DEBUGGING_INFO
-
/* Implicit library calls should use memcpy, not bcopy, etc. */
#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. */
+/* 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.
+
+ 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. */
+#if 0 /* ??? However, not every port uses binutils 2.6 yet. */
#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", \
- TARGET_486 ? 4 : 2); /* Use log of 16 or log of 4 as arg. */
+#define ASM_OUTPUT_ALIGN_CODE(FILE) \
+ fprintf ((FILE), "\t.align %d,0x90\n", i386_align_jumps)
/* Align start of loop at 4-byte boundary. */
#undef ASM_OUTPUT_LOOP_ALIGN
#define ASM_OUTPUT_LOOP_ALIGN(FILE) \
- fprintf ((FILE), "\t.align 2,0x90\n"); /* Use log of 4 as arg. */
-\f
-/* Machines that use the AT&T assembler syntax
- also return floating point values in an FP register. */
-/* Define how to find the value returned by a function.
- VALTYPE is the data type of the value (as a tree).
- If the precise function being called is known, FUNC is its FUNCTION_DECL;
- otherwise, FUNC is 0. */
-
-#define VALUE_REGNO(MODE) \
- (((MODE)==SFmode || (MODE)==DFmode) ? FIRST_FLOAT_REG : 0)
-
-/* 1 if N is a possible register number for a function value. */
-
-#define FUNCTION_VALUE_REGNO_P(N) ((N) == 0 || (N)== FIRST_FLOAT_REG)
-
-#undef ASM_FILE_START
-#define ASM_FILE_START(FILE) \
- fprintf (FILE, "\t.file\t\"%s\"\n", dump_base_name);
+ fprintf ((FILE), "\t.align %d,0x90\n", i386_align_loops)
+\f
/* A C statement or statements which output an assembler instruction
opcode to the stdio stream STREAM. The macro-operand PTR is a
variable of type `char *' which points to the opcode name in its
count is in %cl. Some assemblers require %cl as an argument;
some don't.
- GAS requires the %cl argument, so override unx386.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. */
#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)
+
+#endif /* NO_UNDERSCORES */
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