Add new files.

From-SVN: r41323

3 files changed, 441 insertions, 0 deletions

diff --git a/gcc/config/pa/pa32-linux.h b/gcc/config/pa/pa32-linux.h
new file mode 100644
index 0000000..874321f
--- /dev/null
+++ b/gcc/config/pa/pa32-linux.h
@@ -0,0 +1,26 @@
+/* Definitions for PA_RISC with ELF-32 format
+   Copyright (C) 2000 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.  */
+
+/* Turn off various SOM crap we don't want. */
+#undef TARGET_ELF32
+#define TARGET_ELF32 1
+
+#undef CPP_SPEC
+#define CPP_SPEC "%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{mhppa:-D__hppa__} %{posix:-D_POSIX_SOURCE} -D_PA_RISC1_1"
diff --git a/gcc/config/pa/pa64-hpux.h b/gcc/config/pa/pa64-hpux.h
new file mode 100644
index 0000000..04bc25b
--- /dev/null
+++ b/gcc/config/pa/pa64-hpux.h
@@ -0,0 +1,340 @@
+/* Definitions of target machine for GNU compiler, for HPs running
+   HPUX using the 64bit runtime model.
+   Copyright (C) 1999, 2000 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.  */
+
+/* We can debug dynamically linked executables on hpux11; we also
+   want dereferencing of a NULL pointer to cause a SEGV.  */
+#undef LINK_SPEC
+#define LINK_SPEC \
+  "-E %{mlinker-opt:-O} %{!shared:-u main} %{static:-a archive} %{shared:-shared}"
+
+/* Like the default, except no -lg.  */
+#undef LIB_SPEC
+#define LIB_SPEC \
+  "%{!shared:\
+     %{!p:\
+       %{!pg:\
+         %{!threads:-lc}\
+         %{threads:-lcma -lc_r}}\
+       %{p: -L/lib/libp/ -lc}\
+       %{pg: -L/lib/libp/ -lc}}} /usr/lib/pa20_64/milli.a"
+
+/* Under hpux11, the normal location of the `ld' and `as' programs is the
+   /usr/ccs/bin directory.  */
+
+#ifndef CROSS_COMPILE
+#undef MD_EXEC_PREFIX
+#define MD_EXEC_PREFIX "/opt/langtools/bin"
+#endif
+
+/* Under hpux11 the normal location of the various *crt*.o files is the
+   /usr/ccs/lib directory.  */
+
+#ifndef CROSS_COMPILE
+#undef MD_STARTFILE_PREFIX
+#define MD_STARTFILE_PREFIX "/opt/langtools/lib/pa20_64/"
+#endif
+
+/* hpux11 has the new HP assembler.  It's still lousy, but it's a whole lot
+   better than the assembler shipped with older versions of hpux.  */
+#undef NEW_HP_ASSEMBLER
+#define NEW_HP_ASSEMBLER 1
+
+#undef ASM_FILE_START
+#define ASM_FILE_START(FILE) \
+do {  \
+     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 (profile_flag)\
+       fprintf (FILE, "\t.IMPORT _mcount, CODE\n");\
+     if (write_symbols != NO_DEBUG) \
+       output_file_directive ((FILE), main_input_filename); \
+   } while (0)
+
+/* It looks like DWARF2 will be the easiest debug format to handle on this
+   platform.  */
+#define OBJECT_FORMAT_ELF
+#define DWARF2_DEBUGGING_INFO
+#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
+/* This isn't quite ready yet.  I'm seeing it mess up some line
+   tables.  For example, we're getting lines starting/ending at
+   impossible addresses.  */
+#define DWARF2_ASM_LINE_DEBUG_INFO 1
+
+
+/* The rest of this file is copied from the generic svr4.h.  One day we
+   would like to simply include svr4.h instead of copying all these
+   definitions.  */
+
+/* Support const sections and the ctors and dtors sections for g++.
+   Note that there appears to be two different ways to support const
+   sections at the moment.  You can either #define the symbol
+   READONLY_DATA_SECTION (giving it some code which switches to the
+   readonly data section) or else you can #define the symbols
+   EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, SELECT_SECTION, and
+   SELECT_RTX_SECTION.  We do both here just to be on the safe side.  */
+
+#define USE_CONST_SECTION	1
+
+#define CONST_SECTION_ASM_OP	"\t.section\t.rodata"
+
+/* Define the pseudo-ops used to switch to the .ctors and .dtors sections.
+
+   Note that we want to give these sections the SHF_WRITE attribute
+   because these sections will actually contain data (i.e. tables of
+   addresses of functions in the current root executable or shared library
+   file) and, in the case of a shared library, the relocatable addresses
+   will have to be properly resolved/relocated (and then written into) by
+   the dynamic linker when it actually attaches the given shared library
+   to the executing process.  (Note that on SVR4, you may wish to use the
+   `-z text' option to the ELF linker, when building a shared library, as
+   an additional check that you are doing everything right.  But if you do
+   use the `-z text' option when building a shared library, you will get
+   errors unless the .ctors and .dtors sections are marked as writable
+   via the SHF_WRITE attribute.)  */
+
+#define CTORS_SECTION_ASM_OP	"\t.section\t.ctors,\"aw\""
+#define DTORS_SECTION_ASM_OP	"\t.section\t.dtors,\"aw\""
+
+/* On svr4, we *do* have support for the .init and .fini sections, and we
+   can put stuff in there to be executed before and after `main'.  We let
+   crtstuff.c and other files know this by defining the following symbols.
+   The definitions say how to change sections to the .init and .fini
+   sections.  This is the same for all known svr4 assemblers.  */
+
+/* ??? For the time being, we aren't using init sections. */
+#if 0
+#define INIT_SECTION_ASM_OP	"\t.section\t.init"
+#define FINI_SECTION_ASM_OP	"\t.section\t.fini"
+#endif
+
+/* A default list of other sections which we might be "in" at any given
+   time.  For targets that use additional sections (e.g. .tdesc) you
+   should override this definition in the target-specific file which
+   includes this file.  */
+
+#undef EXTRA_SECTIONS
+#define EXTRA_SECTIONS in_const, in_ctors, in_dtors
+
+/* A default list of extra section function definitions.  For targets
+   that use additional sections (e.g. .tdesc) you should override this
+   definition in the target-specific file which includes this file.  */
+
+#undef EXTRA_SECTION_FUNCTIONS
+#define EXTRA_SECTION_FUNCTIONS						\
+  CONST_SECTION_FUNCTION						\
+  CTORS_SECTION_FUNCTION						\
+  DTORS_SECTION_FUNCTION
+
+#define READONLY_DATA_SECTION() const_section ()
+
+#define CONST_SECTION_FUNCTION						\
+void									\
+const_section ()							\
+{									\
+  if (!USE_CONST_SECTION)						\
+    text_section();							\
+  else if (in_section != in_const)					\
+    {									\
+      fprintf (asm_out_file, "%s\n", CONST_SECTION_ASM_OP);		\
+      in_section = in_const;						\
+    }									\
+}
+
+#define CTORS_SECTION_FUNCTION						\
+void									\
+ctors_section ()							\
+{									\
+  if (in_section != in_ctors)						\
+    {									\
+      fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP);		\
+      in_section = in_ctors;						\
+    }									\
+}
+
+#define DTORS_SECTION_FUNCTION						\
+void									\
+dtors_section ()							\
+{									\
+  if (in_section != in_dtors)						\
+    {									\
+      fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP);		\
+      in_section = in_dtors;						\
+    }									\
+}
+
+/* Switch into a generic section.
+ 
+   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.
+ 
+   If the section has already been defined, we must not
+   emit the attributes here. The SVR4 assembler does not
+   recognize section redefinitions.
+   If DECL is NULL, no attributes are emitted.  */
+
+#define ASM_OUTPUT_SECTION_NAME(FILE, DECL, NAME, RELOC)		\
+  do									\
+    {									\
+      static htab_t htab;                                               \
+                                                                        \
+      struct section_info                                               \
+      {									\
+	enum sect_enum {SECT_RW, SECT_RO, SECT_EXEC} type;		\
+      };                                                                \
+                                                                        \
+      struct section_info *s;						\
+      const char *mode;							\
+      enum sect_enum type;                                              \
+      PTR* slot;                                                        \
+                                                                        \
+      /* The names we put in the hashtable will always be the unique    \
+	 versions gived to us by the stringtable, so we can just use    \
+	 their addresses as the keys.  */                               \
+      if (!htab)                                                        \
+	htab = htab_create (31,                                         \
+			    htab_hash_pointer,                          \
+			    htab_eq_pointer,                            \
+			    NULL);                                      \
+                                                                        \
+      if (DECL && TREE_CODE (DECL) == FUNCTION_DECL)			\
+	type = SECT_EXEC, mode = "ax";					\
+      else if (DECL && DECL_READONLY_SECTION (DECL, RELOC))		\
+	type = SECT_RO, mode = "a";					\
+      else								\
+	type = SECT_RW, mode = "aw";					\
+      									\
+                                                                        \
+      /* See if we already have an entry for this section.  */          \
+      slot = htab_find_slot (htab, NAME, INSERT);                       \
+      if (!*slot)                                                       \
+	{                                                               \
+	  s = (struct section_info *) xmalloc (sizeof (* s));		\
+	  s->type = type;						\
+	  *slot = s;							\
+	  fprintf (FILE, "\t.section\t%s,\"%s\",@progbits\n",		\
+		   NAME, mode);						\
+	}								\
+      else								\
+	{								\
+	  s = (struct section_info *) *slot;                            \
+	  if (DECL && s->type != type)					\
+	    error_with_decl (DECL,                                      \
+			     "%s causes a section type conflict");      \
+	  								\
+	  fprintf (FILE, "\t.section\t%s\n", NAME);			\
+	}								\
+    }									\
+  while (0)
+
+#define MAKE_DECL_ONE_ONLY(DECL) (DECL_WEAK (DECL) = 1)
+#define UNIQUE_SECTION_P(DECL) (DECL_ONE_ONLY (DECL))
+#define UNIQUE_SECTION(DECL,RELOC)				\
+do {								\
+  int len;							\
+  char *name, *string, *prefix;					\
+								\
+  name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL));	\
+								\
+  if (! DECL_ONE_ONLY (DECL))					\
+    {								\
+      prefix = ".";                                             \
+      if (TREE_CODE (DECL) == FUNCTION_DECL)			\
+	prefix = ".text.";					\
+      else if (DECL_READONLY_SECTION (DECL, RELOC))		\
+	prefix = ".rodata.";					\
+      else							\
+	prefix = ".data.";					\
+    }								\
+  else if (TREE_CODE (DECL) == FUNCTION_DECL)			\
+    prefix = ".gnu.linkonce.t.";				\
+  else if (DECL_READONLY_SECTION (DECL, RELOC))			\
+    prefix = ".gnu.linkonce.r.";				\
+  else								\
+    prefix = ".gnu.linkonce.d.";				\
+								\
+  len = strlen (name) + strlen (prefix);			\
+  string = alloca (len + 1);					\
+  sprintf (string, "%s%s", prefix, name);			\
+								\
+  DECL_SECTION_NAME (DECL) = build_string (len, string);	\
+} while (0)
+
+#define INT_ASM_OP "\t.dword\t"
+/* A C statement (sans semicolon) to output an element in the table of
+   global constructors.  */
+#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME)				\
+  do {									\
+    ctors_section ();							\
+    fprintf (FILE, "%sP%%", INT_ASM_OP);				\
+    assemble_name (FILE, NAME);						\
+    fprintf (FILE, "\n");						\
+  } while (0)
+
+/* A C statement (sans semicolon) to output an element in the table of
+   global destructors.  */
+#define ASM_OUTPUT_DESTRUCTOR(FILE,NAME)       				\
+  do {									\
+    dtors_section ();                   				\
+    fprintf (FILE, "%sP%%", INT_ASM_OP);				\
+    assemble_name (FILE, NAME);              				\
+    fprintf (FILE, "\n");						\
+  } while (0)
+
+/* ??? For the time being, we aren't using .ctors/.dtors sections. */
+#undef ASM_OUTPUT_DESTRUCTOR
+#undef ASM_OUTPUT_CONSTRUCTOR
+
+/* 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.  */
+
+#define TYPE_ASM_OP	"\t.type\t"
+#define SIZE_ASM_OP	"\t.size\t"
+
+/* This is how we tell the assembler that a symbol is weak.  */
+
+#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).  */
+
+#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
diff --git a/gcc/config/pa/pa64-linux.h b/gcc/config/pa/pa64-linux.h
new file mode 100644
index 0000000..e4abfe6
--- /dev/null
+++ b/gcc/config/pa/pa64-linux.h
@@ -0,0 +1,75 @@
+/* Definitions for PA_RISC with ELF format on 64-bit Linux
+   Copyright (C) 1999, 2000 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.  */
+
+#undef CPP_SPEC
+#define CPP_SPEC "%{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} %{mhppa:-D__hppa__} %{posix:-D_POSIX_SOURCE} -D_PA_RISC2_0 -D__LP64__"
+
+#if 0 /* needs some work :-( */
+/* If defined, this macro specifies a table of register pairs used to
+   eliminate unneeded registers that point into the stack frame.  */
+
+#define ELIMINABLE_REGS							\
+{									\
+  {FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM},				\
+  {ARG_POINTER_REGNUM,	 STACK_POINTER_REGNUM},				\
+  {ARG_POINTER_REGNUM,	 FRAME_POINTER_REGNUM},				\
+}
+
+/* A C expression that returns non-zero if the compiler is allowed to try to
+   replace register number FROM with register number TO.  The frame pointer
+   is automatically handled.  */
+
+#define CAN_ELIMINATE(FROM, TO) 1
+
+/* This macro is similar to `INITIAL_FRAME_POINTER_OFFSET'.  It
+   specifies the initial difference between the specified pair of
+   registers.  This macro must be defined if `ELIMINABLE_REGS' is
+   defined.  */
+#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \
+  do								\
+    {								\
+      int fsize;						\
+								\
+      fsize = compute_frame_size (get_frame_size (), 0);	\
+      if ((TO) == FRAME_POINTER_REGNUM				\
+	  && (FROM) == ARG_POINTER_REGNUM)			\
+	{							\
+	  (OFFSET) = -16;					\
+	  break;						\
+	}							\
+								\
+      if ((TO) != STACK_POINTER_REGNUM)				\
+	abort ();						\
+								\
+      switch (FROM)						\
+	{							\
+	case FRAME_POINTER_REGNUM:				\
+	  (OFFSET) = - fsize;					\
+	  break;						\
+								\
+	case ARG_POINTER_REGNUM:				\
+	  (OFFSET) = - fsize - 16;				\
+	  break;						\
+								\
+	default:						\
+	  abort ();						\
+	}							\
+    } while (0)
+#endif