gcc/config/spu/spu-elf.h

   1 /* Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc.
   2
   3    This file is free software; you can redistribute it and/or modify it under
   4    the terms of the GNU General Public License as published by the Free
   5    Software Foundation; either version 3 of the License, or (at your option)
   6    any later version.
   7
   8    This file is distributed in the hope that it will be useful, but WITHOUT
   9    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  11    for more details.
  12
  13    You should have received a copy of the GNU General Public License
  14    along with GCC; see the file COPYING3.  If not see
  15    <http://www.gnu.org/licenses/>.  */
  16
  17 #ifndef OBJECT_FORMAT_ELF
  18  #error elf.h included before elfos.h
  19 #endif
  20
  21 #define BSS_SECTION_ASM_OP "\t.section .bss"
  22
  23 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
  24             asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
  25
  26
  27 /* The following macros define "native" directory locations; on the SPU,
  28    these are used only when building the compiler with --with-sysroot.
  29    This can be used to build a pair of PPU and SPU cross-compilers with
  30    a common sysroot; the SPU compiler will search for its files in
  31    ${sysroot}/include and ${sysroot}/lib.  */
  32
  33 /* STANDARD_STARTFILE_PREFIX_1 is "/lib", which we keep.
  34    STANDARD_STARTFILE_PREFIX_2 is "/usr/lib" -- we remove this.  */
  35 #undef STANDARD_STARTFILE_PREFIX_2
  36 #define STANDARD_STARTFILE_PREFIX_2 ""
  37
  38 /* Use "/include" instead of "/usr/include".  */
  39 #undef STANDARD_INCLUDE_DIR
  40 #define STANDARD_INCLUDE_DIR "/include"
  41
  42 /* We do not provide any "/usr/local/include" directory on SPU.  */
  43 #undef LOCAL_INCLUDE_DIR
  44
  45 /* Provide a STARTFILE_SPEC appropriate for GNU/Linux.  Here we add
  46    the GNU/Linux magical crtbegin.o file (see crtstuff.c) which
  47    provides part of the support for getting C++ file-scope static
  48    object constructed before entering `main'.  */
  49
  50 #undef  STARTFILE_SPEC
  51 #define STARTFILE_SPEC "%{mstdmain: %{pg|p:gcrt2.o%s;:crt2.o%s}}\
  52                         %{!mstdmain: %{pg|p:gcrt1.o%s;:crt1.o%s}}\
  53                         crti.o%s crtbegin.o%s"
  54
  55 #undef  ENDFILE_SPEC
  56 #define ENDFILE_SPEC   "crtend.o%s crtn.o%s"
  57
  58 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
  59
  60 #define DWARF2_DEBUGGING_INFO 1
  61 #define DWARF2_ASM_LINE_DEBUG_INFO 1
  62
  63 #define SET_ASM_OP              "\t.set\t"
  64
  65 #undef TARGET_ASM_NAMED_SECTION
  66 #define TARGET_ASM_NAMED_SECTION  default_elf_asm_named_section
  67
  68 #define EH_FRAME_IN_DATA_SECTION 1
  69
  70 #define LINK_SPEC "%{mlarge-mem: --defsym __stack=0xfffffff0 }"
  71
  72 #define LIB_SPEC "-( %{!shared:%{g*:-lg}} -lc -lgloss -) \
  73     %{mno-atomic-updates:-lgcc_cachemgr_nonatomic; :-lgcc_cachemgr} \
  74     %{mcache-size=128:-lgcc_cache128k; \
  75       mcache-size=64 :-lgcc_cache64k; \
  76       mcache-size=32 :-lgcc_cache32k; \
  77       mcache-size=16 :-lgcc_cache16k; \
  78       mcache-size=8  :-lgcc_cache8k; \
  79                      :-lgcc_cache64k}"
  80
  81 /* Turn off warnings in the assembler too. */
  82 #undef ASM_SPEC
  83 #define ASM_SPEC  "%{w:-W}"
  84