gcc/config/spu/spu-elf.h

/* Copyright (C) 2006-2015 Free Software Foundation, Inc.

   This file 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 of the License, or (at your option) 
   any later version.

   This file 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/>.  */

#ifndef OBJECT_FORMAT_ELF
 #error elf.h included before elfos.h
#endif

#define BSS_SECTION_ASM_OP "\t.section .bss"

#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
            asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)


/* The following macros define "native" directory locations; on the SPU,
   these are used only when building the compiler with --with-sysroot.
   This can be used to build a pair of PPU and SPU cross-compilers with
   a common sysroot; the SPU compiler will search for its files in
   ${sysroot}/include and ${sysroot}/lib.  */

/* STANDARD_STARTFILE_PREFIX_1 is "/lib", which we keep.
   STANDARD_STARTFILE_PREFIX_2 is "/usr/lib" -- we remove this.  */
#undef STANDARD_STARTFILE_PREFIX_2
#define STANDARD_STARTFILE_PREFIX_2 ""

/* We do not provide any "/usr/local/include" directory on SPU.  */
#undef LOCAL_INCLUDE_DIR

/* Provide a STARTFILE_SPEC appropriate for GNU/Linux.  Here we add
   the GNU/Linux magical crtbegin.o file (see crtstuff.c) which
   provides part of the support for getting C++ file-scope static
   object constructed before entering `main'.  */

#undef  STARTFILE_SPEC 
#define STARTFILE_SPEC "%{mstdmain: %{pg|p:gcrt2.o%s;:crt2.o%s}}\
                        %{!mstdmain: %{pg|p:gcrt1.o%s;:crt1.o%s}}\
                        crti.o%s crtbegin.o%s"

#undef  ENDFILE_SPEC
#define ENDFILE_SPEC   "crtend.o%s crtn.o%s"

#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG

#define DWARF2_DEBUGGING_INFO 1
#define DWARF2_ASM_LINE_DEBUG_INFO 1

#define SET_ASM_OP		"\t.set\t"

#undef TARGET_ASM_NAMED_SECTION
#define TARGET_ASM_NAMED_SECTION  default_elf_asm_named_section

#define EH_FRAME_IN_DATA_SECTION 1

#define LINK_SPEC "%{mlarge-mem: --defsym __stack=0xfffffff0 }"

#define LIB_SPEC "-( %{!shared:%{g*:-lg}} -lc -lgloss -) \
    %{mno-atomic-updates:-lgcc_cachemgr_nonatomic; :-lgcc_cachemgr} \
    %{mcache-size=128:-lgcc_cache128k; \
      mcache-size=64 :-lgcc_cache64k; \
      mcache-size=32 :-lgcc_cache32k; \
      mcache-size=16 :-lgcc_cache16k; \
      mcache-size=8  :-lgcc_cache8k; \
                     :-lgcc_cache64k}"