--- /dev/null
+/* Core target definitions for GNU compiler
+ for IBM RS/6000 PowerPC targeted to embedded ELF systems.
+ Copyright (C) 1995 Free Software Foundation, Inc.
+ Contributed by Cygnus Support.
+
+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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+/* eABI local switches */
+/* Set PCC_BITFIELD_TYPE_MATTERS to 0 to ignore the type of bitfields
+ when calculating alignment. */
+#define MASK_NO_BITFIELD_TYPE 0x40000000
+
+#define TARGET_NO_BITFIELD_TYPE (target_flags & MASK_NO_BITFIELD_TYPE)
+#define TARGET_BITFIELD_TYPE (! TARGET_NO_BITFIELD_TYPE)
+
+#define SUBTARGET_SWITCHES \
+ { "bit-align", -MASK_NO_BITFIELD_TYPE }, \
+ { "no-bit-align", MASK_NO_BITFIELD_TYPE },
+
+#include "rs6000/sysv4.h"
+
+/* For now, make stabs the default debugging type, not dwarf. */
+#undef PREFERRED_DEBUGGING_TYPE
+#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+
+/* Make int foo : 8 not cause structures to be aligned to an int boundary */
+
+#undef PCC_BITFIELD_TYPE_MATTERS
+#define PCC_BITFIELD_TYPE_MATTERS (TARGET_BITFIELD_TYPE)
+
+/* Align stack to 8 byte boundaries, rather than 16 bytes Sys V.4 uses */
+#undef STACK_BOUNDARY
+#define STACK_BOUNDARY 64
+
+/* No data type wants to be aligned rounder than this. */
+#undef BIGGEST_ALIGNMENT
+#define BIGGEST_ALIGNMENT 64
+
+#undef TARGET_VERSION
+#define TARGET_VERSION fprintf (stderr, " (PowerPC Embedded)");
+
+/* FIXME: These should actually indicate PowerPC, when there is some
+ standard way of expressing that. */
+#undef CPP_PREDEFINES
+#define CPP_PREDEFINES \
+ "-DPPC -D__embedded__ -Asystem(embedded) -Acpu(powerpc) -Amachine(powerpc)"
--- /dev/null
+/* Target definitions for GNU compiler for PowerPC running System V.4
+ Copyright (C) 1995, Free Software Foundation, Inc.
+ Contributed by Cygnus Support.
+
+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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "rs6000/powerpc.h"
+
+/* Don't generate XCOFF debugging information. */
+
+#undef XCOFF_DEBUGGING_INFO
+
+/* Don't use the COFF object file format. */
+
+#undef OBJECT_FORMAT_COFF
+
+/* The XCOFF support uses weird symbol suffixes, which we don't want
+ for ELF. */
+
+#undef RS6000_OUTPUT_BASENAME
+#define RS6000_OUTPUT_BASENAME(FILE, NAME) assemble_name (FILE, NAME)
+
+/* Don't bother to output .extern pseudo-ops. They are not needed by
+ ELF assemblers. */
+
+#undef ASM_OUTPUT_EXTERNAL
+
+/* Undefine some things which are defined by the generic svr4.h. */
+
+#undef ASM_FILE_END
+#undef ASM_OUTPUT_EXTERNAL_LIBCALL
+#undef READONLY_DATA_SECTION
+#undef SELECT_SECTION
+#undef ASM_DECLARE_FUNCTION_NAME
+
+/* Use the regular svr4 definitions. */
+
+#include "svr4.h"
+
+/* Prefix and suffix to use to saving floating point */
+#undef SAVE_FP_PREFIX
+#undef SAVE_FP_SUFFIX
+#define SAVE_FP_PREFIX "_savefpr_"
+#define SAVE_FP_SUFFIX "_l"
+
+/* Prefix and suffix to use to restoring floating point */
+#undef RESTORE_FP_PREFIX
+#undef RESTORE_FP_SUFFIX
+#define RESTORE_FP_PREFIX "_restfpr_"
+#define RESTORE_FP_SUFFIX "_l"
+
+/* Type used for ptrdiff_t, as a string used in a declaration. */
+#undef PTRDIFF_TYPE
+#define PTRDIFF_TYPE "int"
+
+/* Type used for wchar_t, as a string used in a declaration. */
+#undef WCHAR_TYPE
+#define WCHAR_TYPE "short unsigned int"
+
+/* Width of wchar_t in bits. */
+#undef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE 16
+
+/* Align stack to 16 byte boundaries */
+#undef STACK_BOUNDARY
+#define STACK_BOUNDARY 128
+
+/* No data type wants to be aligned rounder than this. */
+#undef BIGGEST_ALIGNMENT
+#define BIGGEST_ALIGNMENT 128
+
+/* Use ELF style section commands. */
+
+#undef TEXT_SECTION_ASM_OP
+#define TEXT_SECTION_ASM_OP "\t.section\t\".text\""
+
+#undef DATA_SECTION_ASM_OP
+#define DATA_SECTION_ASM_OP "\t.section\t\".data\""
+
+/* Besides the usual ELF sections, we need a toc section. */
+#undef EXTRA_SECTIONS
+#define EXTRA_SECTIONS in_const, in_ctors, in_dtors, in_toc
+
+#undef EXTRA_SECTION_FUNCTIONS
+#define EXTRA_SECTION_FUNCTIONS \
+ CONST_SECTION_FUNCTION \
+ CTORS_SECTION_FUNCTION \
+ DTORS_SECTION_FUNCTION \
+ TOC_SECTION_FUNCTION
+
+#define TOC_SECTION_FUNCTION \
+void \
+toc_section () \
+{ \
+ if (TARGET_MINIMAL_TOC) \
+ { \
+ static int toc_initialized = 0; \
+ \
+ if (! toc_initialized) \
+ { \
+ fprintf (asm_out_file, "%s\n", TOC_SECTION_ASM_OP); \
+ fprintf (asm_out_file, ".LCTOC0:\n"); \
+ fprintf (asm_out_file, "\t.tc .LCTOC1\n"); \
+ fprintf (asm_out_file, "%s\n", MINIMAL_TOC_SECTION_ASM_OP); \
+ fprintf (asm_out_file, ".LCTOC1:\n"); \
+ toc_initialized = 1; \
+ } \
+ } \
+ \
+ if (in_section != in_toc) \
+ { \
+ fprintf (asm_out_file, "%s\n", \
+ (TARGET_MINIMAL_TOC \
+ ? MINIMAL_TOC_SECTION_ASM_OP \
+ : TOC_SECTION_ASM_OP)); \
+ in_section = in_toc; \
+ } \
+}
+
+#define TOC_SECTION_ASM_OP "\t.section\t.got,\"aw\""
+#define MINIMAL_TOC_SECTION_ASM_OP "\t.section\t.got1,\"aw\""
+
+/* Use the TOC section for TOC entries. */
+
+#undef SELECT_RTX_SECTION
+#define SELECT_RTX_SECTION(MODE, X) \
+{ if (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P (X)) \
+ toc_section (); \
+ else \
+ const_section (); \
+}
+
+/* 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. */
+
+extern void svr4_traceback ();
+
+#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); \
+ svr4_traceback (FILE, NAME, DECL); \
+ ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL)); \
+ ASM_OUTPUT_LABEL(FILE, NAME); \
+ } while (0)
+
+/* How to renumber registers for dbx and gdb. */
+
+#define DBX_REGISTER_NUMBER(REGNO) (REGNO)
+
+/* svr4.h overrides ASM_OUTPUT_INTERNAL_LABEL. */
+
+#undef ASM_OUTPUT_INTERNAL_LABEL_PREFIX
+#define ASM_OUTPUT_INTERNAL_LABEL_PREFIX(FILE,PREFIX) \
+ fprintf (FILE, ".%s", PREFIX)
+
+/* Pass -mppc to the assembler, since that is what powerpc.h currently
+ implies. */
+#undef ASM_SPEC
+#define ASM_SPEC \
+ "-u -mppc %{V} %{v:%{!V:-V}} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} %{Wa,*:%*}"
+/* This is the end of what might become sysv4.h. */
+
+/* Allow stabs and dwarf, prefer dwarf. */
+#define PREFERRED_DEBUGGING_TYPE DWARF_DEBUG
+#define DBX_DEBUGGING_INFO
+#define DWARF_DEBUGGING_INFO
+
+/* Line numbers are relative to the current function. */
+
+#undef ASM_OUTPUT_SOURCE_LINE
+#define ASM_OUTPUT_SOURCE_LINE(file, line) \
+ { static int sym_lineno = 1; \
+ fprintf (file, ".stabn 68,0,%d,.LM%d-%s\n.LM%d:\n",\
+ line, sym_lineno, \
+ XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0), \
+ sym_lineno); \
+ sym_lineno += 1; }
+
+/* But, to make this work, we have to output the stabs for the function
+ name *first*... */
+
+#define DBX_FUNCTION_FIRST
+
+/* This is the end of what might become sysv4dbx.h. */
+
+#undef TARGET_VERSION
+#define TARGET_VERSION fprintf (stderr, " (PowerPC System V.4)");
+
+/* FIXME: These should actually indicate PowerPC, when there is some
+ standard way of expressing that. */
+#undef CPP_PREDEFINES
+#define CPP_PREDEFINES \
+ "-DPPC -Dunix -D__svr4__ -Asystem(unix) -Asystem(svr4) -Acpu(powerpc) -Amachine(powerpc)"
--- /dev/null
+/* Configuration for GNU C-compiler for PowerPC running System V.4.
+ Copyright (C) 1995 Free Software Foundation, Inc.
+
+ Cloned from sparc/xm-sysv4.h by Michael Meissner (meissner@cygnus.com).
+
+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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+
+/* #defines that need visibility everywhere. */
+#define FALSE 0
+#define TRUE 1
+
+/* This describes the machine the compiler is hosted on. */
+#define HOST_BITS_PER_CHAR 8
+#define HOST_BITS_PER_SHORT 16
+#define HOST_BITS_PER_INT 32
+#define HOST_BITS_PER_LONG 32
+#if 0
+#define HOST_BITS_PER_LONGLONG 64
+#endif
+
+/* Doubles are stored in memory with the high order word first. This
+ matters when cross-compiling. */
+#define HOST_WORDS_BIG_ENDIAN 1
+
+/* target machine dependencies.
+ tm.h is a symbolic link to the actual target specific file. */
+#include "tm.h"
+
+/* Arguments to use with `exit'. */
+#define SUCCESS_EXIT_CODE 0
+#define FATAL_EXIT_CODE 33
+
+#include "xm-svr4.h"
+
+#ifndef __GNUC__
+#define ONLY_INT_FIELDS
+#endif
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