libgcc/:

        * config.host (hppa-*-openbsd*): New target.
        * config/pa/t-openbsd: New file.

gcc:/

        * config.gcc (hppa*-*-openbsd*): New target.
        * config/pa/pa-openbsd.h: New file.
        * config/pa/pa32-openbsd.h: New file.
        * config/host-openbsd.c: Update copyright year.
        (TRY_EXCEPT_VM_SPACE): Define for OpenBSD/hppa.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@191508 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 185 insertions, 0 deletions

diff --git a/gcc/config/pa/pa-openbsd.h b/gcc/config/pa/pa-openbsd.h
new file mode 100644
index 00000000000..785409cf780
--- /dev/null
+++ b/gcc/config/pa/pa-openbsd.h
@@ -0,0 +1,162 @@
+/* Definitions for PA_RISC with ELF format
+   Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010,
+   2011, 2012
+   Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC 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 3, or (at your option)
+any later version.
+
+GCC 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 GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+
+#undef TARGET_OS_CPP_BUILTINS
+#define TARGET_OS_CPP_BUILTINS()		\
+  do						\
+    {						\
+	OPENBSD_OS_CPP_BUILTINS();		\
+	builtin_assert ("machine=bigendian");	\
+    }						\
+  while (0)
+
+/* Our profiling scheme doesn't LP labels and counter words.  */
+#define NO_DEFERRED_PROFILE_COUNTERS 1
+
+#undef STRING_ASM_OP
+#define STRING_ASM_OP   "\t.stringz\t"
+
+#define TEXT_SECTION_ASM_OP "\t.text"
+#define DATA_SECTION_ASM_OP "\t.data"
+#define BSS_SECTION_ASM_OP "\t.section\t.bss"
+
+/* We want local labels to start with period if made with asm_fprintf.  */
+#undef LOCAL_LABEL_PREFIX
+#define LOCAL_LABEL_PREFIX "."
+
+/* Define these to generate the Linux/ELF/SysV style of internal
+   labels all the time - i.e. to be compatible with
+   ASM_GENERATE_INTERNAL_LABEL in <elfos.h>.  Compare these with the
+   ones in pa.h and note the lack of dollar signs in these.  FIXME:
+   shouldn't we fix pa.h to use ASM_GENERATE_INTERNAL_LABEL instead? */
+
+#undef ASM_OUTPUT_ADDR_VEC_ELT
+#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
+  if (TARGET_BIG_SWITCH)					\
+    fprintf (FILE, "\t.word .L%d\n", 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, "\t.word .L%d-.L%d\n", VALUE, REL);		\
+  else								\
+    fprintf (FILE, "\tb .L%d\n\tnop\n", VALUE)
+
+/* Use the default.  */
+#undef ASM_OUTPUT_LABEL
+
+/* NOTE: (*targetm.asm_out.internal_label)() is defined for us by elfos.h, and
+   does what we want (i.e. uses colons).  It must be compatible with
+   ASM_GENERATE_INTERNAL_LABEL(), so do not define it here.  */
+
+/* Use the default.  */
+#undef ASM_OUTPUT_INTERNAL_LABEL
+
+/* Use the default.  */
+#undef TARGET_ASM_GLOBALIZE_LABEL
+
+/* 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								\
+    {								\
+      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)))			\
+	pa_encode_label (FUN);				\
+      (*targetm.asm_out.globalize_label) (FILE, XSTR (FUN, 0));	\
+    }								\
+  while (0)
+
+/* This says how to output an assembler line to define a global common symbol
+   with size SIZE (in bytes) and alignment ALIGN (in bits).  */
+
+#undef ASM_OUTPUT_ALIGNED_COMMON
+#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN)  		\
+  pa_asm_output_aligned_common (FILE, NAME, SIZE, ALIGN)
+
+/* This says how to output an assembler line to define a local common symbol
+   with size SIZE (in bytes) and alignment ALIGN (in bits).  This macro
+   controls how the assembler definitions of uninitialized static variables
+   are output.  */
+
+#undef ASM_OUTPUT_ALIGNED_LOCAL
+#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN)		\
+  pa_asm_output_aligned_local (FILE, NAME, SIZE, ALIGN)
+
+/* OpenBSD always uses gas.  */
+#undef TARGET_GAS
+#define TARGET_GAS 1
+
+/* Layout of source language data types. */
+
+/* This must agree with <machine/_types.h> */
+#undef SIZE_TYPE
+#define SIZE_TYPE "long unsigned int"
+
+#undef PTRDIFF_TYPE
+#define PTRDIFF_TYPE "long int"
+
+#undef WCHAR_TYPE
+#define WCHAR_TYPE "int"
+
+#undef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE 32
+
+#undef WINT_TYPE
+#define WINT_TYPE "int"
+
+#undef LINK_SPEC
+#define LINK_SPEC \
+  "%{!shared:%{!nostdlib:%{!r:%{!e*:-e __start}}}} \
+   %{shared:-shared} %{R*} \
+   %{static:-Bstatic} \
+   %{!static:-Bdynamic} \
+   %{assert*} \
+   -dynamic-linker /usr/libexec/ld.so"
+
+#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}"
+
+#define OBSD_HAS_CORRECT_SPECS
+
+#define HAVE_ENABLE_EXECUTE_STACK
diff --git a/gcc/config/pa/pa32-openbsd.h b/gcc/config/pa/pa32-openbsd.h
new file mode 100644
index 00000000000..af8db1cc9cb
--- /dev/null
+++ b/gcc/config/pa/pa32-openbsd.h
@@ -0,0 +1,23 @@
+/* Definitions for PA_RISC with ELF-32 format
+   Copyright (C) 2000, 2002, 2004, 2006, 2007, 2010, 2011, 2012
+   Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC 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 3, or (at your option)
+any later version.
+
+GCC 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 GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+/* Turn off various SOM crap we don't want.  */
+#undef TARGET_ELF32
+#define TARGET_ELF32 1