1/* Xtensa/Elf configuration. 2 Derived from the configuration for GCC for Intel i386 running Linux. 3 Copyright (C) 2001, 2003, 2006, 2007 Free Software Foundation, Inc. 4 5This file is part of GCC. 6 7GCC is free software; you can redistribute it and/or modify it under 8the terms of the GNU General Public License as published by the Free 9Software Foundation; either version 3, or (at your option) any later 10version. 11 12GCC is distributed in the hope that it will be useful, but WITHOUT ANY 13WARRANTY; without even the implied warranty of MERCHANTABILITY or 14FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15for more details. 16 17You should have received a copy of the GNU General Public License 18along with GCC; see the file COPYING3. If not see 19<http://www.gnu.org/licenses/>. */ 20 21#define TARGET_SECTION_TYPE_FLAGS xtensa_multibss_section_type_flags 22 23/* Don't assume anything about the header files. */ 24#define NO_IMPLICIT_EXTERN_C 25 26#undef ASM_APP_ON 27#define ASM_APP_ON "#APP\n" 28 29#undef ASM_APP_OFF 30#define ASM_APP_OFF "#NO_APP\n" 31 32#undef MD_EXEC_PREFIX 33#undef MD_STARTFILE_PREFIX 34 35#undef TARGET_VERSION 36#define TARGET_VERSION fputs (" (Xtensa/ELF)", stderr); 37 38#undef WCHAR_TYPE 39#define WCHAR_TYPE "short unsigned int" 40 41#undef WCHAR_TYPE_SIZE 42#define WCHAR_TYPE_SIZE 16 43 44#undef ASM_SPEC 45#define ASM_SPEC \ 46 "%{v} \ 47 %{mtext-section-literals:--text-section-literals} \ 48 %{mno-text-section-literals:--no-text-section-literals} \ 49 %{mtarget-align:--target-align} \ 50 %{mno-target-align:--no-target-align} \ 51 %{mlongcalls:--longcalls} \ 52 %{mno-longcalls:--no-longcalls}" 53 54#undef LIB_SPEC 55#define LIB_SPEC "-lc -lsim -lc -lhandlers-sim -lhal" 56 57#undef STARTFILE_SPEC 58#define STARTFILE_SPEC \ 59 "crt1-sim%O%s crt0%O%s crti%O%s crtbegin%O%s _vectors%O%s" 60 61#undef ENDFILE_SPEC 62#define ENDFILE_SPEC "crtend%O%s crtn%O%s" 63 64#undef LINK_SPEC 65#define LINK_SPEC \ 66 "%{shared:-shared} \ 67 %{!shared: \ 68 %{!static: \ 69 %{rdynamic:-export-dynamic} \ 70 %{static:-static}}}" 71 72#undef LOCAL_LABEL_PREFIX 73#define LOCAL_LABEL_PREFIX "." 74 75/* Avoid dots for compatibility with VxWorks. */ 76#undef NO_DOLLAR_IN_LABEL 77#define NO_DOT_IN_LABEL 78 79/* Do not force "-fpic" for this target. */ 80#define XTENSA_ALWAYS_PIC 0 81 82/* Search for headers in $tooldir/arch/include and for libraries and 83 startfiles in $tooldir/arch/lib. */ 84#define GCC_DRIVER_HOST_INITIALIZATION \ 85do \ 86{ \ 87 char *tooldir, *archdir; \ 88 tooldir = concat (tooldir_base_prefix, spec_machine, \ 89 dir_separator_str, NULL); \ 90 if (!IS_ABSOLUTE_PATH (tooldir)) \ 91 tooldir = concat (standard_exec_prefix, spec_machine, dir_separator_str, \ 92 spec_version, dir_separator_str, tooldir, NULL); \ 93 archdir = concat (tooldir, "arch", dir_separator_str, NULL); \ 94 add_prefix (&startfile_prefixes, \ 95 concat (archdir, "lib", dir_separator_str, NULL), \ 96 "GCC", PREFIX_PRIORITY_LAST, 0, 1); \ 97 add_prefix (&include_prefixes, archdir, \ 98 "GCC", PREFIX_PRIORITY_LAST, 0, 0); \ 99 } \ 100while (0) 101 102#define HANDLE_PRAGMA_PACK_PUSH_POP 1 103