| /* Configuration file for ARM BPABI targets. |
| Copyright (C) 2004, 2005 |
| Free Software Foundation, Inc. |
| Contributed 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 2, 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 COPYING. If not, write to |
| the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. */ |
| |
| /* Use the AAPCS ABI by default. */ |
| #define ARM_DEFAULT_ABI ARM_ABI_AAPCS |
| |
| /* Assume that AAPCS ABIs should adhere to the full BPABI. */ |
| #define TARGET_BPABI (TARGET_AAPCS_BASED) |
| |
| /* BPABI targets use EABI frame unwinding tables. */ |
| #define TARGET_UNWIND_INFO 1 |
| |
| /* Section 4.1 of the AAPCS requires the use of VFP format. */ |
| #undef FPUTYPE_DEFAULT |
| #define FPUTYPE_DEFAULT "vfp" |
| |
| /* EABI targets should enable interworking by default. */ |
| #undef TARGET_DEFAULT |
| /* LLVM LOCAL begin */ |
| #ifdef ENABLE_LLVM |
| #define TARGET_DEFAULT (0) |
| #else |
| #define TARGET_DEFAULT MASK_INTERWORK |
| #endif |
| /* LLVM LOCAL end */ |
| |
| /* The ARM BPABI functions return a boolean; they use no special |
| calling convention. */ |
| #define FLOAT_LIB_COMPARE_RETURNS_BOOL(MODE, COMPARISON) TARGET_BPABI |
| |
| /* The BPABI integer comparison routines return { -1, 0, 1 }. */ |
| #define TARGET_LIB_INT_CMP_BIASED !TARGET_BPABI |
| |
| /* Tell the assembler to build BPABI binaries. */ |
| #undef SUBTARGET_EXTRA_ASM_SPEC |
| #define SUBTARGET_EXTRA_ASM_SPEC "%{mabi=apcs-gnu|mabi=atpcs:-meabi=gnu;:-meabi=4}" |
| |
| /* The generic link spec in elf.h does not support shared libraries. */ |
| #undef LINK_SPEC |
| #define LINK_SPEC "%{mbig-endian:-EB} %{mlittle-endian:-EL} " \ |
| "%{static:-Bstatic} %{shared:-shared} %{symbolic:-Bsymbolic} " \ |
| "-X" |
| |
| #if defined (__thumb__) |
| #define RENAME_LIBRARY_SET ".thumb_set" |
| #else |
| #define RENAME_LIBRARY_SET ".set" |
| #endif |
| |
| /* Make __aeabi_AEABI_NAME an alias for __GCC_NAME. */ |
| #define RENAME_LIBRARY(GCC_NAME, AEABI_NAME) \ |
| __asm__ (".globl\t__aeabi_" #AEABI_NAME "\n" \ |
| RENAME_LIBRARY_SET "\t__aeabi_" #AEABI_NAME \ |
| ", __" #GCC_NAME "\n"); |
| |
| /* Give some libgcc functions an additional __aeabi name. */ |
| #ifdef L_muldi3 |
| #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (muldi3, lmul) |
| #endif |
| #ifdef L_muldi3 |
| #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (muldi3, lmul) |
| #endif |
| #ifdef L_fixdfdi |
| #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixdfdi, d2lz) |
| #endif |
| #ifdef L_fixunsdfdi |
| #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunsdfdi, d2ulz) |
| #endif |
| #ifdef L_fixsfdi |
| #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixsfdi, f2lz) |
| #endif |
| #ifdef L_fixunssfdi |
| #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunssfdi, f2ulz) |
| #endif |
| #ifdef L_floatdidf |
| #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatdidf, l2d) |
| #endif |
| #ifdef L_floatdisf |
| #define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatdisf, l2f) |
| #endif |
| |
| /* The BPABI requires that we always use an out-of-line implementation |
| of RTTI comparison, even if the target supports weak symbols, |
| because the same object file might be used on a target that does |
| not support merging symbols across DLL boundaries. This macro is |
| broken out separately so that it can be used within |
| TARGET_OS_CPP_BUILTINS in configuration files for systems based on |
| the BPABI. */ |
| #define TARGET_BPABI_CPP_BUILTINS() \ |
| do \ |
| { \ |
| builtin_define ("__GXX_MERGED_TYPEINFO_NAMES=0"); \ |
| } \ |
| while (false) |
| |
| #undef TARGET_OS_CPP_BUILTINS |
| #define TARGET_OS_CPP_BUILTINS() \ |
| TARGET_BPABI_CPP_BUILTINS() |
| |
| /* The BPABI specifies the use of .{init,fini}_array. Therefore, we |
| do not want GCC to put anything into the .{init,fini} sections. */ |
| #undef INIT_SECTION_ASM_OP |
| #undef FINI_SECTION_ASM_OP |
| #define INIT_ARRAY_SECTION_ASM_OP ARM_EABI_CTORS_SECTION_OP |
| #define FINI_ARRAY_SECTION_ASM_OP ARM_EABI_DTORS_SECTION_OP |