/* Configuration file for ARM BPABI targets.
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/* Configuration file for ARM BPABI targets.
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Copyright (C) 2004, 2005, 2007, 2008, 2009
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Copyright (C) 2004, 2005, 2007, 2008, 2009
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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Contributed by CodeSourcery, LLC
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Contributed by CodeSourcery, LLC
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This file is part of GCC.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it
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GCC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published
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under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 3, or (at your
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by the Free Software Foundation; either version 3, or (at your
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option) any later version.
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option) any later version.
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GCC is distributed in the hope that it will be useful, but WITHOUT
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GCC is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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<http://www.gnu.org/licenses/>. */
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/* Use the AAPCS ABI by default. */
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/* Use the AAPCS ABI by default. */
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#define ARM_DEFAULT_ABI ARM_ABI_AAPCS
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#define ARM_DEFAULT_ABI ARM_ABI_AAPCS
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/* Assume that AAPCS ABIs should adhere to the full BPABI. */
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/* Assume that AAPCS ABIs should adhere to the full BPABI. */
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#define TARGET_BPABI (TARGET_AAPCS_BASED)
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#define TARGET_BPABI (TARGET_AAPCS_BASED)
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/* BPABI targets use EABI frame unwinding tables. */
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/* BPABI targets use EABI frame unwinding tables. */
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#define TARGET_UNWIND_INFO 1
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#define TARGET_UNWIND_INFO 1
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/* Section 4.1 of the AAPCS requires the use of VFP format. */
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/* Section 4.1 of the AAPCS requires the use of VFP format. */
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#undef FPUTYPE_DEFAULT
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#undef FPUTYPE_DEFAULT
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#define FPUTYPE_DEFAULT "vfp"
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#define FPUTYPE_DEFAULT "vfp"
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/* TARGET_BIG_ENDIAN_DEFAULT is set in
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/* TARGET_BIG_ENDIAN_DEFAULT is set in
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config.gcc for big endian configurations. */
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config.gcc for big endian configurations. */
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#if TARGET_BIG_ENDIAN_DEFAULT
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#if TARGET_BIG_ENDIAN_DEFAULT
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#define TARGET_ENDIAN_DEFAULT MASK_BIG_END
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#define TARGET_ENDIAN_DEFAULT MASK_BIG_END
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#else
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#else
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#define TARGET_ENDIAN_DEFAULT 0
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#define TARGET_ENDIAN_DEFAULT 0
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#endif
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#endif
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/* EABI targets should enable interworking by default. */
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/* EABI targets should enable interworking by default. */
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#undef TARGET_DEFAULT
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#undef TARGET_DEFAULT
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#define TARGET_DEFAULT (MASK_INTERWORK | TARGET_ENDIAN_DEFAULT)
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#define TARGET_DEFAULT (MASK_INTERWORK | TARGET_ENDIAN_DEFAULT)
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/* The ARM BPABI functions return a boolean; they use no special
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/* The ARM BPABI functions return a boolean; they use no special
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calling convention. */
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calling convention. */
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#define FLOAT_LIB_COMPARE_RETURNS_BOOL(MODE, COMPARISON) TARGET_BPABI
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#define FLOAT_LIB_COMPARE_RETURNS_BOOL(MODE, COMPARISON) TARGET_BPABI
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/* The BPABI integer comparison routines return { -1, 0, 1 }. */
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/* The BPABI integer comparison routines return { -1, 0, 1 }. */
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#define TARGET_LIB_INT_CMP_BIASED !TARGET_BPABI
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#define TARGET_LIB_INT_CMP_BIASED !TARGET_BPABI
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#define TARGET_FIX_V4BX_SPEC " %{mcpu=arm8|mcpu=arm810|mcpu=strongarm*|march=armv4:--fix-v4bx}"
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#define TARGET_FIX_V4BX_SPEC " %{mcpu=arm8|mcpu=arm810|mcpu=strongarm*|march=armv4:--fix-v4bx}"
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#define BE8_LINK_SPEC " %{mbig-endian:%{march=armv7-a|mcpu=cortex-a5|mcpu=cortex-a8|mcpu=cortex-a9:%{!r:--be8}}}"
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#define BE8_LINK_SPEC " %{mbig-endian:%{march=armv7-a|mcpu=cortex-a5|mcpu=cortex-a8|mcpu=cortex-a9:%{!r:--be8}}}"
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/* Tell the assembler to build BPABI binaries. */
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/* Tell the assembler to build BPABI binaries. */
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#undef SUBTARGET_EXTRA_ASM_SPEC
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#undef SUBTARGET_EXTRA_ASM_SPEC
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#define SUBTARGET_EXTRA_ASM_SPEC "%{mabi=apcs-gnu|mabi=atpcs:-meabi=gnu;:-meabi=5}" TARGET_FIX_V4BX_SPEC
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#define SUBTARGET_EXTRA_ASM_SPEC "%{mabi=apcs-gnu|mabi=atpcs:-meabi=gnu;:-meabi=5}" TARGET_FIX_V4BX_SPEC
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#ifndef SUBTARGET_EXTRA_LINK_SPEC
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#ifndef SUBTARGET_EXTRA_LINK_SPEC
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#define SUBTARGET_EXTRA_LINK_SPEC ""
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#define SUBTARGET_EXTRA_LINK_SPEC ""
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#endif
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#endif
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/* The generic link spec in elf.h does not support shared libraries. */
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/* The generic link spec in elf.h does not support shared libraries. */
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#define BPABI_LINK_SPEC \
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#define BPABI_LINK_SPEC \
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"%{mbig-endian:-EB} %{mlittle-endian:-EL} " \
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"%{mbig-endian:-EB} %{mlittle-endian:-EL} " \
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"%{static:-Bstatic} %{shared:-shared} %{symbolic:-Bsymbolic} " \
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"%{static:-Bstatic} %{shared:-shared} %{symbolic:-Bsymbolic} " \
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"-X" SUBTARGET_EXTRA_LINK_SPEC TARGET_FIX_V4BX_SPEC BE8_LINK_SPEC
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"-X" SUBTARGET_EXTRA_LINK_SPEC TARGET_FIX_V4BX_SPEC BE8_LINK_SPEC
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#undef LINK_SPEC
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#undef LINK_SPEC
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#define LINK_SPEC BPABI_LINK_SPEC
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#define LINK_SPEC BPABI_LINK_SPEC
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#if defined (__thumb__)
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#if defined (__thumb__)
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#define RENAME_LIBRARY_SET ".thumb_set"
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#define RENAME_LIBRARY_SET ".thumb_set"
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#else
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#else
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#define RENAME_LIBRARY_SET ".set"
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#define RENAME_LIBRARY_SET ".set"
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#endif
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#endif
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/* Make __aeabi_AEABI_NAME an alias for __GCC_NAME. */
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/* Make __aeabi_AEABI_NAME an alias for __GCC_NAME. */
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#define RENAME_LIBRARY(GCC_NAME, AEABI_NAME) \
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#define RENAME_LIBRARY(GCC_NAME, AEABI_NAME) \
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__asm__ (".globl\t__aeabi_" #AEABI_NAME "\n" \
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__asm__ (".globl\t__aeabi_" #AEABI_NAME "\n" \
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RENAME_LIBRARY_SET "\t__aeabi_" #AEABI_NAME \
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RENAME_LIBRARY_SET "\t__aeabi_" #AEABI_NAME \
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", __" #GCC_NAME "\n");
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", __" #GCC_NAME "\n");
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/* Give some libgcc functions an additional __aeabi name. */
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/* Give some libgcc functions an additional __aeabi name. */
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#ifdef L_muldi3
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#ifdef L_muldi3
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (muldi3, lmul)
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (muldi3, lmul)
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#endif
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#endif
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#ifdef L_muldi3
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#ifdef L_muldi3
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (muldi3, lmul)
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (muldi3, lmul)
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#endif
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#endif
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#ifdef L_fixdfdi
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#ifdef L_fixdfdi
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixdfdi, d2lz) \
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixdfdi, d2lz) \
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extern DWtype __fixdfdi (DFtype) __attribute__((pcs("aapcs"))); \
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extern DWtype __fixdfdi (DFtype) __attribute__((pcs("aapcs"))); \
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extern UDWtype __fixunsdfdi (DFtype) __asm__("__aeabi_d2ulz") __attribute__((pcs("aapcs")));
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extern UDWtype __fixunsdfdi (DFtype) __asm__("__aeabi_d2ulz") __attribute__((pcs("aapcs")));
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#endif
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#endif
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#ifdef L_fixunsdfdi
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#ifdef L_fixunsdfdi
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunsdfdi, d2ulz) \
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunsdfdi, d2ulz) \
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extern UDWtype __fixunsdfdi (DFtype) __attribute__((pcs("aapcs")));
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extern UDWtype __fixunsdfdi (DFtype) __attribute__((pcs("aapcs")));
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#endif
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#endif
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#ifdef L_fixsfdi
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#ifdef L_fixsfdi
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixsfdi, f2lz) \
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixsfdi, f2lz) \
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extern DWtype __fixsfdi (SFtype) __attribute__((pcs("aapcs"))); \
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extern DWtype __fixsfdi (SFtype) __attribute__((pcs("aapcs"))); \
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extern UDWtype __fixunssfdi (SFtype) __asm__("__aeabi_f2ulz") __attribute__((pcs("aapcs")));
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extern UDWtype __fixunssfdi (SFtype) __asm__("__aeabi_f2ulz") __attribute__((pcs("aapcs")));
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#endif
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#endif
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#ifdef L_fixunssfdi
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#ifdef L_fixunssfdi
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunssfdi, f2ulz) \
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunssfdi, f2ulz) \
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extern UDWtype __fixunssfdi (SFtype) __attribute__((pcs("aapcs")));
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extern UDWtype __fixunssfdi (SFtype) __attribute__((pcs("aapcs")));
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#endif
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#endif
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#ifdef L_floatdidf
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#ifdef L_floatdidf
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatdidf, l2d)
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatdidf, l2d)
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#endif
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#endif
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#ifdef L_floatdisf
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#ifdef L_floatdisf
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatdisf, l2f)
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatdisf, l2f)
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#endif
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#endif
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/* These renames are needed on ARMv6M. Other targets get them from
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/* These renames are needed on ARMv6M. Other targets get them from
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assembly routines. */
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assembly routines. */
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#ifdef L_fixunsdfsi
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#ifdef L_fixunsdfsi
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunsdfsi, d2uiz)
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunsdfsi, d2uiz)
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#endif
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#endif
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#ifdef L_fixunssfsi
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#ifdef L_fixunssfsi
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunssfsi, f2uiz)
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (fixunssfsi, f2uiz)
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#endif
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#endif
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#ifdef L_floatundidf
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#ifdef L_floatundidf
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatundidf, ul2d)
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatundidf, ul2d)
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#endif
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#endif
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#ifdef L_floatundisf
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#ifdef L_floatundisf
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatundisf, ul2f)
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#define DECLARE_LIBRARY_RENAMES RENAME_LIBRARY (floatundisf, ul2f)
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#endif
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#endif
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/* The BPABI requires that we always use an out-of-line implementation
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/* The BPABI requires that we always use an out-of-line implementation
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of RTTI comparison, even if the target supports weak symbols,
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of RTTI comparison, even if the target supports weak symbols,
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because the same object file might be used on a target that does
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because the same object file might be used on a target that does
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not support merging symbols across DLL boundaries. This macro is
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not support merging symbols across DLL boundaries. This macro is
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broken out separately so that it can be used within
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broken out separately so that it can be used within
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TARGET_OS_CPP_BUILTINS in configuration files for systems based on
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TARGET_OS_CPP_BUILTINS in configuration files for systems based on
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the BPABI. */
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the BPABI. */
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#define TARGET_BPABI_CPP_BUILTINS() \
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#define TARGET_BPABI_CPP_BUILTINS() \
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do \
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do \
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{ \
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{ \
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builtin_define ("__GXX_TYPEINFO_EQUALITY_INLINE=0"); \
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builtin_define ("__GXX_TYPEINFO_EQUALITY_INLINE=0"); \
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} \
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} \
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while (false)
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while (false)
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#undef TARGET_OS_CPP_BUILTINS
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#undef TARGET_OS_CPP_BUILTINS
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#define TARGET_OS_CPP_BUILTINS() \
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#define TARGET_OS_CPP_BUILTINS() \
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TARGET_BPABI_CPP_BUILTINS()
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TARGET_BPABI_CPP_BUILTINS()
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/* The BPABI specifies the use of .{init,fini}_array. Therefore, we
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/* The BPABI specifies the use of .{init,fini}_array. Therefore, we
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do not want GCC to put anything into the .{init,fini} sections. */
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do not want GCC to put anything into the .{init,fini} sections. */
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#undef INIT_SECTION_ASM_OP
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#undef INIT_SECTION_ASM_OP
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#undef FINI_SECTION_ASM_OP
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#undef FINI_SECTION_ASM_OP
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#define INIT_ARRAY_SECTION_ASM_OP ARM_EABI_CTORS_SECTION_OP
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#define INIT_ARRAY_SECTION_ASM_OP ARM_EABI_CTORS_SECTION_OP
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#define FINI_ARRAY_SECTION_ASM_OP ARM_EABI_DTORS_SECTION_OP
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#define FINI_ARRAY_SECTION_ASM_OP ARM_EABI_DTORS_SECTION_OP
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/* The legacy _mcount implementation assumes r11 points to a
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/* The legacy _mcount implementation assumes r11 points to a
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4-word APCS frame. This is generally not true for EABI targets,
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4-word APCS frame. This is generally not true for EABI targets,
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particularly not in Thumb mode. We assume the mcount
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particularly not in Thumb mode. We assume the mcount
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implementation does not require a counter variable (No Counter).
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implementation does not require a counter variable (No Counter).
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Note that __gnu_mcount_nc will be entered with a misaligned stack.
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Note that __gnu_mcount_nc will be entered with a misaligned stack.
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This is OK because it uses a special calling convention anyway. */
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This is OK because it uses a special calling convention anyway. */
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#undef NO_PROFILE_COUNTERS
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#undef NO_PROFILE_COUNTERS
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#define NO_PROFILE_COUNTERS 1
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#define NO_PROFILE_COUNTERS 1
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#undef ARM_FUNCTION_PROFILER
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#undef ARM_FUNCTION_PROFILER
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#define ARM_FUNCTION_PROFILER(STREAM, LABELNO) \
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#define ARM_FUNCTION_PROFILER(STREAM, LABELNO) \
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{ \
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{ \
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fprintf (STREAM, "\tpush\t{lr}\n"); \
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fprintf (STREAM, "\tpush\t{lr}\n"); \
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fprintf (STREAM, "\tbl\t__gnu_mcount_nc\n"); \
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fprintf (STREAM, "\tbl\t__gnu_mcount_nc\n"); \
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}
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}
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#undef SUBTARGET_FRAME_POINTER_REQUIRED
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#undef SUBTARGET_FRAME_POINTER_REQUIRED
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#define SUBTARGET_FRAME_POINTER_REQUIRED 0
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#define SUBTARGET_FRAME_POINTER_REQUIRED 0
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/* __gnu_mcount_nc restores the original LR value before returning. Ensure
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/* __gnu_mcount_nc restores the original LR value before returning. Ensure
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that there is no unnecessary hook set up. */
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that there is no unnecessary hook set up. */
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#undef PROFILE_HOOK
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#undef PROFILE_HOOK
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