entered into RCS

From-SVN: r2421

gcc/config/i386/linux.h

@@ -0,0 +1,81 @@
+/* Definitions for Intel 386 running Linux
+ * Copyright (C) 1992 Free Software Foundation, Inc.
+ *
+ * Written by H.J. Lu (hlu@eecs.wsu.edu)
+ *
+ * Linux is a POSIX.1 compatible UNIX clone for i386, which uses GNU
+ * stuffs as the native stuffs.
+ */
+
+#if 0	/* The FSF has fixed the known bugs. But ....... */
+
+/* Linux has a hacked gas 1.38.1, which can handle repz, repnz
+ * and fildll.
+ */
+
+#define GOOD_GAS
+
+#endif
+
+#include "i386gas.h"
+
+/* Specify predefined symbols in preprocessor.  */
+
+#undef CPP_PREDEFINES
+#define CPP_PREDEFINES "-Dunix -Di386 -Dlinux"
+
+#undef SIZE_TYPE
+#define SIZE_TYPE "unsigned int"
+
+#undef PTRDIFF_TYPE
+#define PTRDIFF_TYPE "int"
+
+#undef WCHAR_TYPE
+#define WCHAR_TYPE "long int"
+
+#undef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE BITS_PER_WORD
+
+#undef HAVE_ATEXIT
+#define HAVE_ATEXIT
+
+/* Linux uses ctype from glibc.a. I am not sure how complete it is.
+ * For now, we play safe. It may change later.
+ */
+#if 0
+#undef MULTIBYTE_CHARS
+#define MULTIBYTE_CHARS	1
+#endif
+
+#undef LIB_SPEC
+#define LIB_SPEC "%{g*:-lg} %{!g*:%{!p:%{!pg:-lc}}%{p:-lgmon -lc_p}%{pg:-lgmon -lc_p}}"
+
+
+#undef STARTFILE_SPEC
+#undef GPLUSPLUS_INCLUDE_DIR
+
+#ifdef CROSS_COMPILE
+
+/*
+ * For cross-compile, we just need to search `$(tooldir)/lib'
+ */
+
+#define STARTFILE_SPEC  \
+  "%{g*:crt0.o%s} %{!g*:%{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s %{!static:%{nojump:-nojump}} %{static:-static}}}} -L"TOOLDIR"/lib"
+
+/*
+ *The cross-compile uses this.
+ */
+#define GPLUSPLUS_INCLUDE_DIR TOOLDIR"/g++-include"
+
+#else
+
+#define STARTFILE_SPEC  \
+  "%{g*:crt0.o%s} %{!g*:%{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s %{!static:%{nojump:-nojump}} %{static:-static}}}}"
+
+/*
+ *The native Linux system uses this.
+ */
+#define GPLUSPLUS_INCLUDE_DIR "/usr/g++-include"
+
+#endif