Initial revision

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@227 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 229 insertions, 0 deletions

diff --git a/gcc/config/i386/aix386.h b/gcc/config/i386/aix386.h
new file mode 100644
index 00000000000..c20a2f29eca
--- /dev/null
+++ b/gcc/config/i386/aix386.h
@@ -0,0 +1,129 @@
+/* Definitions for IBM PS2 running AIX/386.
+   From: Minh Tran-Le <TRANLE@intellicorp.com>
+   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.  */
+
+
+#include "i386.h"
+
+/* Get the generic definitions for system V.3.  */
+
+#include "svr3.h"
+
+/* Use the ATT assembler syntax.
+   This overrides at least one macro (ASM_OUTPUT_LABELREF) from svr3.h.  */
+
+#include "att386.h"
+
+/* By default, target has a 80387.  */
+
+#define TARGET_DEFAULT 1
+
+/* Use crt1.o as a startup file and crtn.o as a closing file.  */
+
+#define STARTFILE_SPEC  \
+  "%{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}} crtbegin.o%s"
+
+#define LIB_SPEC "%{p:-L/usr/lib/libp}%{pg:-L/usr/lib/libp} -lc \
+  crtend.o%s crtn.o%s"
+
+/* Special flags for the linker.  I don't know what they do.  */
+
+#define LINK_SPEC "%{K} %{!K:-K} %{T*} %{z:-lm}"
+
+/* Specify predefined symbols in preprocessor.  */
+
+#define CPP_PREDEFINES "-D_I386 -Di386 -DAIX -D_AIX"
+
+/* special flags for the aix assembler to generate the short form for all
+   qualifying forward reference */
+
+#define ASM_SPEC "-s2"
+
+#undef ASM_FILE_START
+#define ASM_FILE_START(FILE) 					\
+  do { fprintf (FILE, "\t.file\t\"%s\"\n", dump_base_name);	\
+       if (optimize)						\
+          ASM_FILE_START_1 (FILE); 				\
+       else							\
+          fprintf (FILE, "\t.noopt\n");				\
+     } while (0)
+
+/* This was suggested, but it shouldn't be right for DBX output. -- RMS
+   #define ASM_OUTPUT_SOURCE_FILENAME(FILE, NAME) */
+
+/* Writing `int' for a bitfield forces int alignment for the structure.  */
+
+#define PCC_BITFIELD_TYPE_MATTERS 1
+
+#if 0
+/* Don't write a `.optim' pseudo; this assembler
+   is said to have a bug when .optim is used.  */
+
+#undef ASM_FILE_START_1
+#define ASM_FILE_START_1(FILE) fprintf (FILE, "\t.noopt\n");
+#endif
+
+/* 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)
+
+/* Output assembler code to FILE to increment profiler label # LABELNO
+   for profiling a function entry.  */
+
+#undef FUNCTION_PROFILER
+#define FUNCTION_PROFILER(FILE, LABELNO)  \
+   fprintf (FILE, "\tleal %sP%d,%%eax\n\tcall mcount\n", LPREFIX, (LABELNO));
+
+/* Note that using bss_section here caused errors
+   in building shared libraries on system V.3.
+   but AIX 1.2 does not have yet shareable libraries on PS2 */
+#undef ASM_OUTPUT_LOCAL
+#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED)  \
+  (bss_section (),					\
+   ASM_OUTPUT_LABEL ((FILE), (NAME)),			\
+   fprintf ((FILE), "\t.set .,.+%u\n", (ROUNDED)))
+
+/* Define a few machine-specific details
+   of the implementation of constructors.  */
+
+#undef INIT_SECTION_ASM_OP
+#define INIT_SECTION_ASM_OP     ".section .init,\"x\""
+
+#define CTORS_SECTION_ASM_OP \
+  INIT_SECTION_ASM_OP "\n"	\
+  "\tpushl $0\n\t"		\
+  DATA_SECTION_ASM_OP
+
+#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME)	\
+  do {						\
+    init_section ();				\
+    fprintf (FILE, "\tpushl $");		\
+    assemble_name (FILE, NAME);			\
+    fprintf (FILE, "\n");			\
+  } while (0)
diff --git a/gcc/config/i386/att.h b/gcc/config/i386/att.h
new file mode 100644
index 00000000000..a259074e88d
--- /dev/null
+++ b/gcc/config/i386/att.h
@@ -0,0 +1,100 @@
+/* Definitions for AT&T 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.  */
+
+/* Include common aspects of all 386 Unix assemblers.  */
+#include "unx386.h"
+
+#define TARGET_VERSION fprintf (stderr, " (80386, ATT syntax)");
+
+/* Define the syntax of instructions and addresses.  */
+
+/* Prefix for internally generated assembler labels.  */
+#define LPREFIX ".L"
+
+/* Assembler pseudos to introduce constants of various size.  */
+
+/* #define ASM_BYTE_OP "\t.byte"  Now in svr3.h or svr4.h.  */
+#define ASM_SHORT "\t.value"
+#define ASM_LONG "\t.long"
+#define ASM_DOUBLE "\t.double"
+
+/* How to output an ASCII string constant.  */
+
+#define ASM_OUTPUT_ASCII(FILE, p, size) \
+{ int i = 0; 							\
+  while (i < (size))						\
+    { if (i%10 == 0) { if (i!=0) fprintf ((FILE), "\n");	\
+		       fprintf ((FILE), "%s ", ASM_BYTE_OP); }	\
+      else fprintf ((FILE), ",");					\
+	fprintf ((FILE), "0x%x", ((p)[i++] & 0377)) ;}		\
+      fprintf ((FILE), "\n"); }
+
+/* Do use .optim by default on this machine.  */
+#undef ASM_FILE_START_1
+#define ASM_FILE_START_1(FILE) fprintf (FILE, "\t.optim\n")
+
+/* This is how to output an assembler line
+   that says to advance the location counter
+   to a multiple of 2**LOG bytes.  */
+
+#define ASM_OUTPUT_ALIGN(FILE,LOG)	\
+    if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", 1<<(LOG))
+
+/* This is how to output an assembler line
+   that says to advance the location counter by SIZE bytes.  */
+
+#define ASM_OUTPUT_SKIP(FILE,SIZE)  \
+  fprintf ((FILE), "\t.set .,.+%u\n", (SIZE))
+
+/* Can't use ASM_OUTPUT_SKIP in text section; it doesn't leave 0s.  */
+
+#define ASM_NO_SKIP_IN_TEXT 1
+
+#define BSS_SECTION_FUNCTION \
+void								\
+bss_section ()							\
+{								\
+  if (in_section != in_bss)					\
+    {								\
+      fprintf (asm_out_file, "%s\n", BSS_SECTION_ASM_OP);	\
+      in_section = in_bss;					\
+    }								\
+}
+
+/* Define the syntax of labels and symbol definitions/declarations.  */
+
+/* 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'.  */
+
+#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.  */
+
+#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM)	\
+  fprintf (FILE, ".%s%d:\n", PREFIX, NUM)
+
+/* This is how to output a reference to a user-level label named NAME.  */
+
+#undef ASM_OUTPUT_LABELREF
+#define ASM_OUTPUT_LABELREF(FILE,NAME)	\
+  fprintf (FILE, "%s", NAME)