| /* Definitions for MIPS running Linux-based GNU systems with ELF format. |
| Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc. |
| |
| This file is part of GNU CC. |
| |
| GNU CC 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 2, or (at your option) |
| any later version. |
| |
| GNU CC 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 GNU CC; see the file COPYING. If not, write to |
| the Free Software Foundation, 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #undef TARGET_VERSION |
| #if TARGET_ENDIAN_DEFAULT == 0 |
| #define TARGET_VERSION fprintf (stderr, " (MIPSel GNU/Linux with ELF)"); |
| #else |
| #define TARGET_VERSION fprintf (stderr, " (MIPS GNU/Linux with ELF)"); |
| #endif |
| |
| #undef MD_EXEC_PREFIX |
| #undef MD_STARTFILE_PREFIX |
| |
| /* Output at beginning of assembler file. */ |
| /* The .file command should always begin the output. */ |
| #undef ASM_FILE_START |
| #define ASM_FILE_START(FILE) \ |
| do { \ |
| mips_asm_file_start (FILE); \ |
| fprintf (FILE, "\t.version\t\"01.01\"\n"); \ |
| } while (0) |
| |
| |
| /* Required to keep collect2.c happy */ |
| #undef OBJECT_FORMAT_COFF |
| |
| /* If we don't set MASK_ABICALLS, we can't default to PIC. */ |
| #undef TARGET_DEFAULT |
| #define TARGET_DEFAULT (MASK_ABICALLS|MASK_GAS) |
| |
| |
| /* Handle #pragma weak and #pragma pack. */ |
| #define HANDLE_SYSV_PRAGMA 1 |
| |
| /* Use more efficient ``thunks'' to implement C++ vtables. */ |
| #undef DEFAULT_VTABLE_THUNKS |
| #define DEFAULT_VTABLE_THUNKS 1 |
| |
| /* Don't assume anything about the header files. */ |
| #define NO_IMPLICIT_EXTERN_C |
| |
| /* Generate calls to memcpy, etc., not bcopy, etc. */ |
| #define TARGET_MEM_FUNCTIONS |
| |
| /* Specify predefined symbols in preprocessor. */ |
| #undef CPP_PREDEFINES |
| #if TARGET_ENDIAN_DEFAULT == 0 |
| #define CPP_PREDEFINES "-DMIPSEL -D_MIPSEL -Dunix -Dmips -D_mips \ |
| -DR3000 -D_R3000 -Dlinux -Asystem=posix -Acpu=mips \ |
| -Amachine=mips -D__ELF__ -D__PIC__ -D__pic__" |
| #else |
| #define CPP_PREDEFINES "-DMIPSEB -D_MIPSEB -Dunix -Dmips -D_mips \ |
| -DR3000 -D_R3000 -Dlinux -Asystem=posix -Acpu=mips \ |
| -Amachine=mips -D__ELF__ -D__PIC__ -D__pic__" |
| #endif |
| |
| #undef SUBTARGET_CPP_SIZE_SPEC |
| #define SUBTARGET_CPP_SIZE_SPEC "\ |
| %{mabi=32: -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int} \ |
| %{mabi=n32: -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int} \ |
| %{mabi=64: -D__SIZE_TYPE__=long\\ unsigned\\ int -D__PTRDIFF_TYPE__=long\\ int} \ |
| %{!mabi*: -D__SIZE_TYPE__=unsigned\\ int -D__PTRDIFF_TYPE__=int}" |
| |
| /* We must make -mips3 do what -mlong64 used to do. */ |
| /* ??? If no mipsX option given, but a mabi=X option is, then should set |
| _MIPS_ISA based on the mabi=X option. */ |
| /* ??? If no mabi=X option give, but a mipsX option is, then should set |
| _MIPS_SIM based on the mipsX option. */ |
| /* ??? Same for _MIPS_SZINT. */ |
| /* ??? Same for _MIPS_SZPTR. */ |
| /* ??? Same for __SIZE_TYPE and __PTRDIFF_TYPE. */ |
| #undef SUBTARGET_CPP_SPEC |
| #define SUBTARGET_CPP_SPEC "\ |
| %{mfp32: -D_MIPS_FPSET=16} \ |
| %{mfp64: -D_MIPS_FPSET=32} \ |
| %{!mfp*: -D_MIPS_FPSET=32} \ |
| %{mips1: -D_MIPS_ISA=_MIPS_ISA_MIPS1} \ |
| %{mips2: -D_MIPS_ISA=_MIPS_ISA_MIPS2} \ |
| %{mips3: -D_MIPS_ISA=_MIPS_ISA_MIPS3} \ |
| %{mips4: -D_MIPS_ISA=_MIPS_ISA_MIPS4} \ |
| %{!mips*: -D_MIPS_ISA=_MIPS_ISA_MIPS1} \ |
| %{mabi=32: -D_MIPS_SIM=_MIPS_SIM_ABI32} \ |
| %{mabi=n32: -D_ABIN32=2 -D_MIPS_SIM=_ABIN32} \ |
| %{mabi=64: -D_ABI64=3 -D_MIPS_SIM=_ABI64} \ |
| %{!mabi*: -D_MIPS_SIM=_MIPS_SIM_ABI32} \ |
| %{!mint64: -D_MIPS_SZINT=32}%{mint64: -D_MIPS_SZINT=64} \ |
| %{mabi=32: -D_MIPS_SZLONG=32} \ |
| %{mabi=n32: -D_MIPS_SZLONG=32} \ |
| %{mabi=64: -D_MIPS_SZLONG=64} \ |
| %{!mabi*: -D_MIPS_SZLONG=32} \ |
| %{mabi=32: -D_MIPS_SZPTR=32} \ |
| %{mabi=n32: -D_MIPS_SZPTR=32} \ |
| %{mabi=64: -D_MIPS_SZPTR=64} \ |
| %{!mabi*: -D_MIPS_SZPTR=32} \ |
| %{!mips*: -U__mips -D__mips} \ |
| %{mabi=32: -U__mips64} \ |
| %{mabi=n32: -D__mips64} \ |
| %{mabi=64: -U__mips64} \ |
| %{!mabi*: -U__mips64} \ |
| %{fno-PIC:-U__PIC__ -U__pic__} %{fno-pic:-U__PIC__ -U__pic__} \ |
| %{fPIC:-D__PIC__ -D__pic__} %{fpic:-D__PIC__ -D__pic__} \ |
| %{pthread:-D_REENTRANT}" |
| |
| /* Provide a STARTFILE_SPEC appropriate for GNU/Linux. Here we add |
| the GNU/Linux magical crtbegin.o file (see crtstuff.c) which |
| provides part of the support for getting C++ file-scope static |
| object constructed before entering `main'. */ |
| |
| #undef STARTFILE_SPEC |
| #define STARTFILE_SPEC \ |
| "%{!shared: \ |
| %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}}\ |
| crti.o%s %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" |
| |
| /* Provide a ENDFILE_SPEC appropriate for GNU/Linux. Here we tack on |
| the GNU/Linux magical crtend.o file (see crtstuff.c) which |
| provides part of the support for getting C++ file-scope static |
| object constructed before entering `main', followed by a normal |
| GNU/Linux "finalizer" file, `crtn.o'. */ |
| |
| #undef ENDFILE_SPEC |
| #define ENDFILE_SPEC \ |
| "%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s" |
| |
| /* From iris5.h */ |
| /* -G is incompatible with -KPIC which is the default, so only allow objects |
| in the small data section if the user explicitly asks for it. */ |
| #undef MIPS_DEFAULT_GVALUE |
| #define MIPS_DEFAULT_GVALUE 0 |
| |
| #undef LIB_SPEC |
| /* Taken from sparc/linux.h. */ |
| #define LIB_SPEC \ |
| "%{shared: -lc} \ |
| %{!shared: %{mieee-fp:-lieee} %{pthread:-lpthread} \ |
| %{profile:-lc_p} %{!profile: -lc}}" |
| |
| /* Borrowed from sparc/linux.h */ |
| #undef LINK_SPEC |
| #define LINK_SPEC \ |
| "%(endian_spec) \ |
| %{shared:-shared} \ |
| %{!shared: \ |
| %{!ibcs: \ |
| %{!static: \ |
| %{rdynamic:-export-dynamic} \ |
| %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}} \ |
| %{static:-static}}}" |
| |
| |
| #undef SUBTARGET_ASM_SPEC |
| #define SUBTARGET_ASM_SPEC "\ |
| %{mabi=64: -64} \ |
| %{!fno-PIC:%{!fno-pic:-KPIC}} \ |
| %{fno-PIC:-non_shared} %{fno-pic:-non_shared}" |