1 /* Xtensa/Elf configuration. 2 Derived from the configuration for GCC for Intel i386 running Linux. 3 Copyright (C) 2001,2003 Free Software Foundation, Inc. 4 5 This file is part of GCC. 6 7 GCC is free software; you can redistribute it and/or modify it under 8 the terms of the GNU General Public License as published by the Free 9 Software Foundation; either version 2, or (at your option) any later 10 version. 11 12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 13 WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with GCC; see the file COPYING. If not, write to the Free 19 Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 20 02110-1301, USA. */ 21 22 #define TARGET_SECTION_TYPE_FLAGS xtensa_multibss_section_type_flags 23 24 /* Don't assume anything about the header files. */ 25 #define NO_IMPLICIT_EXTERN_C 26 27 #undef ASM_APP_ON 28 #define ASM_APP_ON "#APP\n" 29 30 #undef ASM_APP_OFF 31 #define ASM_APP_OFF "#NO_APP\n" 32 33 #undef MD_EXEC_PREFIX 34 #undef MD_STARTFILE_PREFIX 35 36 #undef TARGET_VERSION 37 #define TARGET_VERSION fputs (" (Xtensa/ELF)", stderr); 38 39 #undef WCHAR_TYPE 40 #define WCHAR_TYPE "short unsigned int" 41 42 #undef WCHAR_TYPE_SIZE 43 #define WCHAR_TYPE_SIZE 16 44 45 #undef ASM_SPEC 46 #define ASM_SPEC \ 47 "%{v} \ 48 %{mtext-section-literals:--text-section-literals} \ 49 %{mno-text-section-literals:--no-text-section-literals} \ 50 %{mtarget-align:--target-align} \ 51 %{mno-target-align:--no-target-align} \ 52 %{mlongcalls:--longcalls} \ 53 %{mno-longcalls:--no-longcalls}" 54 55 #undef LIB_SPEC 56 #define LIB_SPEC "-lc -lsim -lc -lhandlers-sim -lhal" 57 58 #undef STARTFILE_SPEC 59 #define STARTFILE_SPEC \ 60 "crt1-sim%O%s crt0%O%s crti%O%s crtbegin%O%s _vectors%O%s" 61 62 #undef ENDFILE_SPEC 63 #define ENDFILE_SPEC "crtend%O%s crtn%O%s" 64 65 #undef LINK_SPEC 66 #define LINK_SPEC \ 67 "%{shared:-shared} \ 68 %{!shared: \ 69 %{!static: \ 70 %{rdynamic:-export-dynamic} \ 71 %{static:-static}}}" 72 73 #undef LOCAL_LABEL_PREFIX 74 #define LOCAL_LABEL_PREFIX "." 75 76 /* Avoid dots for compatibility with VxWorks. */ 77 #undef NO_DOLLAR_IN_LABEL 78 #define NO_DOT_IN_LABEL 79 80 /* Do not force "-fpic" for this target. */ 81 #define XTENSA_ALWAYS_PIC 0 82 83 /* Redefine the standard ELF version of ASM_DECLARE_FUNCTION_SIZE to 84 allow adding the ".end literal_prefix" directive at the end of the 85 function. */ 86 #undef ASM_DECLARE_FUNCTION_SIZE 87 #define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \ 88 do \ 89 { \ 90 if (!flag_inhibit_size_directive) \ 91 ASM_OUTPUT_MEASURED_SIZE (FILE, FNAME); \ 92 XTENSA_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL); \ 93 } \ 94 while (0) 95 96 /* Search for headers in $tooldir/arch/include and for libraries and 97 startfiles in $tooldir/arch/lib. */ 98 #define GCC_DRIVER_HOST_INITIALIZATION \ 99 do \ 100 { \ 101 char *tooldir, *archdir; \ 102 tooldir = concat (tooldir_base_prefix, spec_machine, \ 103 dir_separator_str, NULL); \ 104 if (!IS_ABSOLUTE_PATH (tooldir)) \ 105 tooldir = concat (standard_exec_prefix, spec_machine, dir_separator_str, \ 106 spec_version, dir_separator_str, tooldir, NULL); \ 107 archdir = concat (tooldir, "arch", dir_separator_str, NULL); \ 108 add_prefix (&startfile_prefixes, \ 109 concat (archdir, "lib", dir_separator_str, NULL), \ 110 "GCC", PREFIX_PRIORITY_LAST, 0, 1); \ 111 add_prefix (&include_prefixes, archdir, \ 112 "GCC", PREFIX_PRIORITY_LAST, 0, 0); \ 113 } \ 114 while (0) 115 116