| /* IA32 VxWorks target definitions for GNU compiler. |
| Copyright (C) 2003-2019 Free Software Foundation, Inc. |
| Updated by CodeSourcery, LLC. |
| |
| This file is part of GCC. |
| |
| GCC 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, or (at your option) |
| any later version. |
| |
| GCC 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/>. */ |
| |
| #undef ASM_OUTPUT_ALIGNED_BSS |
| #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ |
| asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN) |
| |
| /* VxWorks uses the same ABI as Solaris 2, so use i386/sol2.h version. */ |
| |
| #undef TARGET_SUBTARGET_DEFAULT |
| #define TARGET_SUBTARGET_DEFAULT \ |
| (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_VECT8_RETURNS) |
| |
| /* Provide our target specific DBX_REGISTER_NUMBER. VxWorks relies on |
| the SVR4 numbering. */ |
| |
| #undef DBX_REGISTER_NUMBER |
| #define DBX_REGISTER_NUMBER(n) \ |
| (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n]) |
| |
| #undef PTRDIFF_TYPE |
| #define PTRDIFF_TYPE (TARGET_LP64 ? "long int" : "int") |
| |
| #undef SIZE_TYPE |
| #define SIZE_TYPE (TARGET_LP64 ? "long unsigned int" : "unsigned int") |
| |
| #if TARGET_64BIT_DEFAULT |
| #undef VXWORKS_SYSCALL_LIBS_RTP |
| #define VXWORKS_SYSCALL_LIBS_RTP "-lsyscall" |
| #endif |
| |
| #define TARGET_OS_CPP_BUILTINS() \ |
| do \ |
| { \ |
| VXWORKS_OS_CPP_BUILTINS (); \ |
| if (TARGET_386) \ |
| builtin_define ("CPU=I80386"); \ |
| else if (TARGET_486) \ |
| builtin_define ("CPU=I80486"); \ |
| else if (TARGET_PENTIUM) \ |
| { \ |
| builtin_define ("CPU=PENTIUM"); \ |
| builtin_define ("CPU_VARIANT=PENTIUM"); \ |
| } \ |
| else if (TARGET_PENTIUMPRO) \ |
| { \ |
| builtin_define ("CPU=PENTIUM2"); \ |
| builtin_define ("CPU_VARIANT=PENTIUMPRO"); \ |
| } \ |
| else if (TARGET_PENTIUM4) \ |
| { \ |
| builtin_define ("CPU=PENTIUM4"); \ |
| builtin_define ("CPU_VARIANT=PENTIUM4"); \ |
| } \ |
| else if (TARGET_64BIT) \ |
| builtin_define ("CPU=X86_64"); \ |
| else \ |
| builtin_define ("CPU=I80386"); \ |
| } \ |
| while (0) |
| |
| #undef CPP_SPEC |
| #define CPP_SPEC VXWORKS_ADDITIONAL_CPP_SPEC |
| #undef LIB_SPEC |
| #define LIB_SPEC VXWORKS_LIB_SPEC |
| #undef STARTFILE_SPEC |
| #define STARTFILE_SPEC VXWORKS_STARTFILE_SPEC |
| #undef ENDFILE_SPEC |
| #define ENDFILE_SPEC VXWORKS_ENDFILE_SPEC |
| #undef LINK_SPEC |
| #define LINK_SPEC VXWORKS_LINK_SPEC |
| |
| #undef SUBTARGET_SWITCHES |
| #define SUBTARGET_SWITCHES EXTRA_SUBTARGET_SWITCHES |
| |
| #undef SUBTARGET_OVERRIDE_OPTIONS |
| #define SUBTARGET_OVERRIDE_OPTIONS VXWORKS_OVERRIDE_OPTIONS |
| |
| /* No _mcount profiling on VxWorks. */ |
| #undef FUNCTION_PROFILER |
| #define FUNCTION_PROFILER(FILE,LABELNO) VXWORKS_FUNCTION_PROFILER(FILE,LABELNO) |
| |
| /* We cannot use PC-relative accesses for VxWorks PIC because there is no |
| fixed gap between segments. */ |
| #undef ASM_PREFERRED_EH_DATA_FORMAT |
| |
| /* Define this to be nonzero if static stack checking is supported. */ |
| #define STACK_CHECK_STATIC_BUILTIN 1 |
| |
| /* This platform supports the probing method of stack checking (RTP mode). |
| 8K is reserved in the stack to propagate exceptions in case of overflow. |
| On 64-bit targets, we double that size. */ |
| #if TARGET_64BIT_DEFAULT |
| #define STACK_CHECK_PROTECT 16384 |
| #else |
| #define STACK_CHECK_PROTECT 8192 |
| #endif |