$OpenBSD: patch-gcc_config_pa_openbsd_h,v 1.1.1.1 2005/01/03 15:21:26 espie Exp $
--- gcc/config/pa/openbsd.h.orig	Mon Jan  3 10:17:43 2005
+++ gcc/config/pa/openbsd.h	Mon Jan  3 10:17:43 2005
@@ -0,0 +1,216 @@
+/* Configuration file for an hppa risc OpenBSD target.
+   Copyright (C) 1999 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, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+
+#include <pa/pa.h>
+#include <pa/pa32-regs.h>
+#define OBSD_HAS_DECLARE_FUNCTION_NAME
+#include <openbsd.h>
+
+/* Turn off various SOM crap we don't want.  */
+#undef TARGET_ELF32
+#define TARGET_ELF32 1
+
+#undef MAX_OFILE_ALIGNMENT
+#define	MAX_OFILE_ALIGNMENT 0x8000
+
+/* libc's profiling functions don't need gcc to allocate counters.  */
+#define NO_PROFILE_COUNTERS 1
+
+/* Run-time target specifications. */
+#undef TARGET_OS_CPP_BUILTINS
+#define TARGET_OS_CPP_BUILTINS()		\
+  do						\
+    {						\
+	OPENBSD_OS_CPP_BUILTINS_ELF();		\
+    }						\
+  while (0)
+
+
+/* XXX Why doesn't PA support -R  like everyone ??? */
+#undef LINK_SPEC
+#define LINK_SPEC \
+  "%{EB} %{EL} %{shared} %{non_shared} \
+   %{call_shared} %{no_archive} %{exact_version} \
+   %{!shared: %{!non_shared: %{!call_shared: -non_shared}}} \
+   %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.so} \
+   %{!nostdlib:%{!r*:%{!e*:-e __start}}} -dc -dp \
+   %{static:-Bstatic} %{!static:-Bdynamic} %{assert*}"
+
+/* Layout of source language data types. */
+
+/* This must agree with <machine/ansi.h> */
+#undef SIZE_TYPE
+#define SIZE_TYPE "unsigned int"
+
+#undef PTRDIFF_TYPE
+#define PTRDIFF_TYPE "int"
+
+#undef WCHAR_TYPE
+#define WCHAR_TYPE "int"
+
+#undef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE 32
+
+/* Output at beginning of assembler file.  */
+/* This is slightly changed from main pa.h to only output dyncall
+   when compiling PIC. */
+#undef ASM_FILE_START
+#define ASM_FILE_START(FILE) \
+do { \
+     if (write_symbols != NO_DEBUG) \
+       output_file_directive ((FILE), main_input_filename); \
+     if (TARGET_64BIT) \
+       fputs("\t.LEVEL 2.0w\n", FILE); \
+     else if (TARGET_PA_20) \
+       fputs("\t.LEVEL 2.0\n", FILE); \
+     else if (TARGET_PA_11) \
+       fputs("\t.LEVEL 1.1\n", FILE); \
+     else \
+       fputs("\t.LEVEL 1.0\n", FILE); \
+     if (flag_pic || !TARGET_FAST_INDIRECT_CALLS) \
+       fputs ("\t.IMPORT $$dyncall, MILLICODE\n", FILE); \
+     if (profile_flag) \
+       fputs ("\t.IMPORT _mcount, CODE\n", FILE); \
+   } while (0)
+
+#undef ASM_OUTPUT_FUNCTION_PREFIX
+
+/* We want local labels to start with period if made with asm_fprintf.  */
+#undef LOCAL_LABEL_PREFIX
+#define LOCAL_LABEL_PREFIX "."
+
+/* Use the default.  */
+#undef ASM_OUTPUT_LABEL
+
+/* This is how to output an internal numbered label where
+   PREFIX is the class of label and NUM is the number within the class.
+
+   For most svr4 systems, the convention is that any symbol which begins
+   with a period is not put into the linker symbol table by the assembler.  */
+
+#undef  ASM_OUTPUT_INTERNAL_LABEL
+#define ASM_OUTPUT_INTERNAL_LABEL(FILE, PREFIX, NUM)            \
+  do                                                            \
+    {                                                           \
+      fprintf (FILE, ".%s%u:\n", PREFIX, (unsigned) (NUM));     \
+    }                                                           \
+  while (0)
+
+/* This is how to store into the string LABEL
+   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'.
+
+   For most svr4 systems, the convention is that any symbol which begins
+   with a period is not put into the linker symbol table by the assembler.  */
+
+#undef  ASM_GENERATE_INTERNAL_LABEL
+#define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM)         \
+  do                                                            \
+    {                                                           \
+      sprintf (LABEL, "*.%s%u", PREFIX, (unsigned) (NUM));      \
+    }                                                           \
+  while (0)
+
+#undef ASM_OUTPUT_ADDR_VEC_ELT
+#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
+  if (TARGET_BIG_SWITCH)					\
+    fprintf (FILE, "\tstw %%r1,-16(%%r30)\n\tldil LR'.L%d,%%r1\n\tbe RR'.L%d(%%sr4,%%r1)\n\tldw -16(%%r30),%%r1\n", VALUE, VALUE);		\
+  else								\
+    fprintf (FILE, "\tb .L%d\n\tnop\n", VALUE)
+#undef ASM_OUTPUT_ADDR_DIFF_ELT
+#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
+  if (TARGET_BIG_SWITCH)					\
+    fprintf (FILE, "\tstw %%r1,-16(%%r30)\n\tldw T'.L%d(%%r19),%%r1\n\tbv %%r0(%%r1)\n\tldw -16(%%r30),%%r1\n", VALUE);				\
+  else								\
+    fprintf (FILE, "\tb .L%d\n\tnop\n", VALUE)
+
+#undef STRING_ASM_OP
+#define STRING_ASM_OP   ".stringz"
+
+#undef DBX_OUTPUT_MAIN_SOURCE_FILE_END
+
+#undef ASM_OUTPUT_SECTION_NAME
+/* Switch into a generic section.
+   This is currently only used to support section attributes.
+
+   We make the section read-only and executable for a function decl,
+   read-only for a const data decl, and writable for a non-const data decl.  */
+#define ASM_OUTPUT_SECTION_NAME(FILE, DECL, NAME, RELOC) \
+	fprintf (FILE, "\t.section\t%s,\"%s\",@progbits\n", NAME, \
+	  (DECL) && TREE_CODE (DECL) == FUNCTION_DECL ? "ax" : \
+	  (DECL) && DECL_READONLY_SECTION (DECL, RELOC) ? "a" : "aw")
+
+/* FIXME: Hacked from the <elfos.h> one so that we avoid multiple
+   labels in a function declaration (since pa.c seems determined to do
+   it differently)  */
+
+#undef ASM_DECLARE_FUNCTION_NAME
+#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL)		\
+  do								\
+    {								\
+      if (TREE_PUBLIC (DECL))					\
+      {								\
+	fputs ("\t.export ", FILE);				\
+	assemble_name (FILE, NAME);				\
+	fputs (", entry\n", FILE);				\
+      }								\
+      ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function");	\
+      ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL));		\
+    }								\
+  while (0)
+
+/* As well as globalizing the label, we need to encode the label
+   to ensure a plabel is generated in an indirect call.  */
+#undef ASM_OUTPUT_EXTERNAL_LIBCALL
+#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN)			\
+  do								\
+    {								\
+      if (!FUNCTION_NAME_P (XSTR (FUN, 0)))			\
+        hppa_encode_label (FUN);				\
+      (*targetm.asm_out.globalize_label) (FILE, XSTR (FUN, 0));	\
+    }								\
+  while (0)
+
+/* As an elf system, we need crtbegin/crtend stuff.  */
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC "%{!shared: %{pg:gcrt0%O%s} %{!pg:%{p:gcrt0%O%s} %{!p:crt0%O%s}} crtbegin%O%s} %{shared:crtbeginS%O%s}"
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC "%{!shared:crtend%O%s} %{shared:crtendS%O%s}"
+
+#undef TEXT_SECTION_ASM_OP
+#define TEXT_SECTION_ASM_OP "\t.text"
+#undef READONLY_DATA_SECTION_ASM_OP
+#define READONLY_DATA_SECTION_ASM_OP "\t.section\t.rodata"
+#undef DATA_SECTION_ASM_OP
+#define DATA_SECTION_ASM_OP "\t.data"
+#undef BSS_SECTION_ASM_OP
+#define BSS_SECTION_ASM_OP "\t.section\t.bss"
+#define CTORS_SECTION_ASM_OP    "\t.section\t.ctors,\"aw\""
+#define DTORS_SECTION_ASM_OP    "\t.section\t.dtors,\"aw\""
+#define TARGET_ASM_NAMED_SECTION  default_elf_asm_named_section
+
+/* Remove hpux specific pa defines. */
+#undef LDD_SUFFIX
+#undef PARSE_LDD_OUTPUT
+
+#undef DO_GLOBAL_DTORS_BODY
+#define	HAS_INIT_SECTION
