Import of unmodified (but trimmed) gcc-2.7.2. The bigger parts of the

non-i386, non-unix, and generatable files have been trimmed, but can easily
be added in later if needed.

gcc-2.7.2.1 will follow shortly, it's a very small delta to this and it's
handy to have both available for reference for such little cost.

The freebsd-specific changes will then be committed, and once the dust has
settled, the bmakefiles will be committed to use this code.

1 files changed, 196 insertions, 0 deletions

diff --git a/contrib/gcc/config/netbsd.h b/contrib/gcc/config/netbsd.h
new file mode 100644
index 0000000..8c0974a
--- /dev/null
+++ b/contrib/gcc/config/netbsd.h
@@ -0,0 +1,196 @@
+/* NETBSD_NATIVE is defined when gcc is integrated into the NetBSD
+   source tree so it can be configured appropriately without using
+   the GNU configure/build mechanism. */
+
+#ifdef NETBSD_NATIVE
+
+/* Look for the include files in the system-defined places.  */
+
+#undef GPLUSPLUS_INCLUDE_DIR
+#define GPLUSPLUS_INCLUDE_DIR "/usr/include/g++"
+
+#undef GCC_INCLUDE_DIR
+#define GCC_INCLUDE_DIR "/usr/include"
+
+#undef INCLUDE_DEFAULTS
+#define INCLUDE_DEFAULTS		\
+  {					\
+    { GPLUSPLUS_INCLUDE_DIR, 1, 1 },	\
+    { GCC_INCLUDE_DIR, 0, 0 },		\
+    { 0, 0, 0 }				\
+  }
+
+/* Under NetBSD, the normal location of the compiler back ends is the
+   /usr/libexec directory.  */
+
+#undef STANDARD_EXEC_PREFIX
+#define STANDARD_EXEC_PREFIX		"/usr/libexec/"
+
+/* Under NetBSD, the normal location of the various *crt*.o files is the
+   /usr/lib directory.  */
+
+#undef STANDARD_STARTFILE_PREFIX
+#define STANDARD_STARTFILE_PREFIX	"/usr/lib/"
+
+#endif
+
+
+/* Provide a CPP_SPEC appropriate for NetBSD.  Current we just deal with
+   the GCC option `-posix'.  */
+
+#undef CPP_SPEC
+#define CPP_SPEC "%{posix:-D_POSIX_SOURCE}"
+
+/* Provide an ASM_SPEC appropriate for NetBSD.  Currently we only deal
+   with the options for generating PIC code.  */
+
+#undef ASM_SPEC
+#define ASM_SPEC " %| %{fpic:-k} %{fPIC:-k -K}"
+
+/* Provide a LIB_SPEC appropriate for NetBSD.  Just select the appropriate
+   libc, depending on whether we're doing profiling.  */
+
+#undef LIB_SPEC
+#define LIB_SPEC "%{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
+
+/* Provide a LINK_SPEC appropriate for NetBSD.  Here we provide support
+   for the special GCC options -static, -assert, and -nostdlib.  */
+
+#undef LINK_SPEC
+#define LINK_SPEC \
+  "%{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp %{static:-Bstatic} %{assert*}"
+
+
+/* We have atexit(3).  */
+
+#define HAVE_ATEXIT
+
+/* Implicit library calls should use memcpy, not bcopy, etc.  */
+
+#define TARGET_MEM_FUNCTIONS
+
+/*
+ * Some imports from svr4.h in support of shared libraries.
+ * Currently, we need the DECLARE_OBJECT_SIZE stuff.
+ */
+
+/* Define the strings used for the special svr4 .type and .size directives.
+   These strings generally do not vary from one system running svr4 to
+   another, but if a given system (e.g. m88k running svr) needs to use
+   different pseudo-op names for these, they may be overridden in the
+   file which includes this one.  */
+
+#undef TYPE_ASM_OP
+#undef SIZE_ASM_OP
+#define TYPE_ASM_OP	".type"
+#define SIZE_ASM_OP	".size"
+
+/* This is how we tell the assembler that a symbol is weak.  */
+
+#undef ASM_WEAKEN_LABEL
+#define ASM_WEAKEN_LABEL(FILE,NAME) \
+  do { fputs ("\t.weak\t", FILE); assemble_name (FILE, NAME); \
+       fputc ('\n', FILE); } while (0)
+
+/* The following macro defines the format used to output the second
+   operand of the .type assembler directive.  Different svr4 assemblers
+   expect various different forms for this operand.  The one given here
+   is just a default.  You may need to override it in your machine-
+   specific tm.h file (depending upon the particulars of your assembler).  */
+
+#undef TYPE_OPERAND_FMT
+#define TYPE_OPERAND_FMT	"@%s"
+
+/* Write the extra assembler code needed to declare a function's result.
+   Most svr4 assemblers don't require any special declaration of the
+   result value, but there are exceptions.  */
+
+#ifndef ASM_DECLARE_RESULT
+#define ASM_DECLARE_RESULT(FILE, RESULT)
+#endif
+
+/* These macros generate the special .type and .size directives which
+   are used to set the corresponding fields of the linker symbol table
+   entries in an ELF object file under SVR4.  These macros also output
+   the starting labels for the relevant functions/objects.  */
+
+/* Write the extra assembler code needed to declare a function properly.
+   Some svr4 assemblers need to also have something extra said about the
+   function's return value.  We allow for that here.  */
+
+#undef ASM_DECLARE_FUNCTION_NAME
+#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL)			\
+  do {									\
+    fprintf (FILE, "\t%s\t ", TYPE_ASM_OP);				\
+    assemble_name (FILE, NAME);						\
+    putc (',', FILE);							\
+    fprintf (FILE, TYPE_OPERAND_FMT, "function");			\
+    putc ('\n', FILE);							\
+    ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL));			\
+    ASM_OUTPUT_LABEL(FILE, NAME);					\
+  } while (0)
+
+/* Write the extra assembler code needed to declare an object properly.  */
+
+#undef ASM_DECLARE_OBJECT_NAME
+#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL)			\
+  do {									\
+    fprintf (FILE, "\t%s\t ", TYPE_ASM_OP);				\
+    assemble_name (FILE, NAME);						\
+    putc (',', FILE);							\
+    fprintf (FILE, TYPE_OPERAND_FMT, "object");				\
+    putc ('\n', FILE);							\
+    size_directive_output = 0;						\
+    if (!flag_inhibit_size_directive && DECL_SIZE (DECL))		\
+      {									\
+	size_directive_output = 1;					\
+	fprintf (FILE, "\t%s\t ", SIZE_ASM_OP);				\
+	assemble_name (FILE, NAME);					\
+	fprintf (FILE, ",%d\n",  int_size_in_bytes (TREE_TYPE (DECL)));	\
+      }									\
+    ASM_OUTPUT_LABEL(FILE, NAME);					\
+  } while (0)
+
+/* Output the size directive for a decl in rest_of_decl_compilation
+   in the case where we did not do so before the initializer.
+   Once we find the error_mark_node, we know that the value of
+   size_directive_output was set
+   by ASM_DECLARE_OBJECT_NAME when it was run for the same decl.  */
+
+#undef ASM_FINISH_DECLARE_OBJECT
+#define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END)	 \
+do {									 \
+     char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0);			 \
+     if (!flag_inhibit_size_directive && DECL_SIZE (DECL)		 \
+         && ! AT_END && TOP_LEVEL					 \
+	 && DECL_INITIAL (DECL) == error_mark_node			 \
+	 && !size_directive_output)					 \
+       {								 \
+	 size_directive_output = 1;					 \
+	 fprintf (FILE, "\t%s\t ", SIZE_ASM_OP);			 \
+	 assemble_name (FILE, name);					 \
+	 fprintf (FILE, ",%d\n",  int_size_in_bytes (TREE_TYPE (DECL))); \
+       }								 \
+   } while (0)
+
+/* This is how to declare the size of a function.  */
+
+#undef ASM_DECLARE_FUNCTION_SIZE
+#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL)			\
+  do {									\
+    if (!flag_inhibit_size_directive)					\
+      {									\
+        char label[256];						\
+	static int labelno;						\
+	labelno++;							\
+	ASM_GENERATE_INTERNAL_LABEL (label, "Lfe", labelno);		\
+	ASM_OUTPUT_INTERNAL_LABEL (FILE, "Lfe", labelno);		\
+	fprintf (FILE, "\t%s\t ", SIZE_ASM_OP);				\
+	assemble_name (FILE, (FNAME));					\
+        fprintf (FILE, ",");						\
+	assemble_name (FILE, label);					\
+        fprintf (FILE, "-");						\
+	assemble_name (FILE, (FNAME));					\
+	putc ('\n', FILE);						\
+      }									\
+  } while (0)