05ba3228ea
'md_unwind_header=aarch64/aarch64-unwind.h' to the new netbsd/arm64 section of libgcc/config.host.
104 lines
3.1 KiB
C
104 lines
3.1 KiB
C
$NetBSD: patch-gcc_config_aarch64_aarch64-netbsd.h,v 1.1 2018/11/09 11:22:13 mrg Exp $
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arm64 support.
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--- /dev/null 2018-11-09 09:25:57.929086649 +0000
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+++ gcc/config/aarch64/aarch64-netbsd.h 2018-11-09 09:23:18.308262443 +0000
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@@ -0,0 +1,97 @@
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+/* Definitions for AArch64 running NetBSD
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+ Copyright (C) 2016-2017 Free Software Foundation, Inc.
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+
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+ This file is part of GCC.
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+
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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 by
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+ the Free Software Foundation; either version 3, or (at your option)
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+ any later version.
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+
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+ GCC is distributed in the hope that it will be useful, but
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+ WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ General Public License for more details.
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+
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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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+ <http://www.gnu.org/licenses/>. */
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+
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+#ifndef GCC_AARCH64_NETBSD_H
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+#define GCC_AARCH64_NETBSD_H
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+
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+#define TARGET_LINKER_BIG_EMULATION "aarch64nbsdb"
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+#define TARGET_LINKER_LITTLE_EMULATION "aarch64nbsd"
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+
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+#if TARGET_BIG_ENDIAN_DEFAULT
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+#define TARGET_LINKER_EMULATION TARGET_LINKER_BIG_EMULATION
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+#else
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+#define TARGET_LINKER_EMULATION TARGET_LINKER_LITTLE_EMULATION
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+#endif
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+
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+#undef SUBTARGET_EXTRA_LINK_SPEC
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+#define SUBTARGET_EXTRA_LINK_SPEC " -m" TARGET_LINKER_EMULATION
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+
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+#define NETBSD_ENTRY_POINT "__start"
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+
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+#define NETBSD_TARGET_LINK_SPEC "%{h*} \
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+ -X %{mbig-endian:-EB -m " TARGET_LINKER_BIG_EMULATION "} \
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+ %{mlittle-endian:-EL -m " TARGET_LINKER_LITTLE_EMULATION "} \
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+ %(netbsd_link_spec)"
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+
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+#if TARGET_FIX_ERR_A53_835769_DEFAULT
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+#define CA53_ERR_835769_SPEC \
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+ " %{!mno-fix-cortex-a53-835769:--fix-cortex-a53-835769}"
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+#else
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+#define CA53_ERR_835769_SPEC \
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+ " %{mfix-cortex-a53-835769:--fix-cortex-a53-835769}"
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+#endif
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+
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+#ifdef TARGET_FIX_ERR_A53_843419_DEFAULT
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+#define CA53_ERR_843419_SPEC \
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+ " %{!mno-fix-cortex-a53-843419:--fix-cortex-a53-843419}"
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+#else
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+#define CA53_ERR_843419_SPEC \
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+ " %{mfix-cortex-a53-843419:--fix-cortex-a53-843419}"
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+#endif
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+
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+#undef LINK_SPEC
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+#define LINK_SPEC NETBSD_LINK_SPEC_ELF \
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+ NETBSD_TARGET_LINK_SPEC \
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+ CA53_ERR_835769_SPEC \
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+ CA53_ERR_843419_SPEC
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+
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+#undef TARGET_OS_CPP_BUILTINS
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+#define TARGET_OS_CPP_BUILTINS() \
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+ do \
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+ { \
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+ NETBSD_OS_CPP_BUILTINS_ELF(); \
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+ } \
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+ while (0)
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+
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+#undef SUBTARGET_CPP_SPEC
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+#define SUBTARGET_CPP_SPEC NETBSD_CPP_SPEC
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+
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+#if 0
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+#define TARGET_ASM_FILE_END file_end_indicate_exec_stack
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+#endif
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+
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+#if 0
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+/* Uninitialized common symbols in non-PIE executables, even with
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+ strong definitions in dependent shared libraries, will resolve
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+ to COPY relocated symbol in the executable. See PR65780. */
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+#undef TARGET_BINDS_LOCAL_P
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+#define TARGET_BINDS_LOCAL_P default_binds_local_p_2
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+#endif
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+
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+#if 0
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+#undef MCOUNT_NAME
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+#define MCOUNT_NAME ".mcount"
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+#endif
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+
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+#undef EXTRA_SPECS
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+#define EXTRA_SPECS \
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+ { "asm_cpu_spec", ASM_CPU_SPEC }, \
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+ NETBSD_SUBTARGET_EXTRA_SPECS
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+
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+#endif /* GCC_AARCH64_NETBSD_H */
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