1 /* Definitions of target machine for GNU compiler, 2 for SPARC targeting the VxWorks run time environment. 3 Copyright (C) 2007-2020 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 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3, or (at your option) 10 any later version. 11 12 GCC is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with GCC; see the file COPYING3. If not see 19 <http://www.gnu.org/licenses/>. */ 20 21 #define TARGET_OS_CPP_BUILTINS() \ 22 do \ 23 { \ 24 builtin_define ("__sparc"); \ 25 builtin_define ("CPU=SIMSPARCSOLARIS"); \ 26 VXWORKS_OS_CPP_BUILTINS (); \ 27 } \ 28 while (0) 29 30 #undef SUBTARGET_OVERRIDE_OPTIONS 31 #define SUBTARGET_OVERRIDE_OPTIONS VXWORKS_OVERRIDE_OPTIONS 32 33 #undef CPP_SUBTARGET_SPEC 34 #define CPP_SUBTARGET_SPEC VXWORKS_ADDITIONAL_CPP_SPEC 35 36 #undef ASM_SPEC 37 #define ASM_SPEC "%{" FPIE_OR_FPIC_SPEC ":-K PIC} %(asm_cpu)" 38 39 #undef LIB_SPEC 40 #define LIB_SPEC VXWORKS_LIB_SPEC 41 #undef LINK_SPEC 42 #define LINK_SPEC VXWORKS_LINK_SPEC 43 #undef STARTFILE_SPEC 44 #define STARTFILE_SPEC VXWORKS_STARTFILE_SPEC 45 #undef ENDFILE_SPEC 46 #define ENDFILE_SPEC VXWORKS_ENDFILE_SPEC 47 48 #undef FUNCTION_PROFILER 49 #define FUNCTION_PROFILER VXWORKS_FUNCTION_PROFILER 50 51 /* Use standard numbered ctors/dtors sections. */ 52 #undef CTORS_SECTION_ASM_OP 53 #undef DTORS_SECTION_ASM_OP 54 55 /* We cannot use PC-relative accesses for VxWorks PIC because there is no 56 fixed gap between segments. */ 57 #undef ASM_PREFERRED_EH_DATA_FORMAT 58 59 /* Define this to be nonzero if static stack checking is supported. */ 60 #define STACK_CHECK_STATIC_BUILTIN 1 61 62 /* This platform supports the probing method of stack checking (RTP mode). 63 8K is reserved in the stack to propagate exceptions in case of overflow. */ 64 #define STACK_CHECK_PROTECT 8192 65