94 lines
2.7 KiB
C
94 lines
2.7 KiB
C
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$NetBSD: patch-include_private_gcconfig.h,v 1.1 2019/11/20 21:24:33 maya Exp $
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Add support for netbsd/aarch64, based on netbsd/arm32 code within the same file.
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--- include/private/gcconfig.h.orig 2008-02-19 15:51:24.000000000 +0000
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+++ include/private/gcconfig.h
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@@ -62,6 +62,14 @@
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# endif
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/* Determine the machine type: */
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+# if defined(__aarch64__)
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+# define AARCH64
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+# if !defined(LINUX) && !defined(DARWIN) && !defined(FREEBSD) \
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+ && !defined(NETBSD) && !defined(NN_BUILD_TARGET_PLATFORM_NX)
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+# define NOSYS
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+# define mach_type_known
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+# endif
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+# endif
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# if defined(__arm__) || defined(__thumb__)
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# define ARM32
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# if !defined(LINUX) && !defined(NETBSD)
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@@ -99,6 +107,10 @@
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# define ARM32
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# define mach_type_known
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# endif
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+# if defined(NETBSD) && defined(__aarch64__)
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+# define AARCH64
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+# define mach_type_known
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+# endif
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# if defined(NETBSD) && defined(__sh__)
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# define SH
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# define mach_type_known
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@@ -1724,6 +1736,60 @@
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# endif
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# endif
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+
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+# ifdef ARM32
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+# define CPP_WORDSZ 64
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+# define MACH_TYPE "AARCH64"
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+# define ALIGNMENT 8
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+# ifdef NETBSD
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+# define OS_TYPE "NETBSD"
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+# define HEURISTIC2
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+# ifdef __ELF__
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+# define DATASTART GC_data_start
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+# define DYNAMIC_LOADING
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+# else
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+ extern char etext[];
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+# define DATASTART ((ptr_t)(etext))
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+# endif
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+# endif
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+# ifdef LINUX
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+# define OS_TYPE "LINUX"
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+# define LINUX_STACKBOTTOM
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+# ifdef __ELF__
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+# define DYNAMIC_LOADING
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+# include <features.h>
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+# if defined(__GLIBC__) && __GLIBC__ >= 2
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+# define SEARCH_FOR_DATA_START
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+# else
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+ extern char **__environ;
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+# define DATASTART ((ptr_t)(&__environ))
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+ /* hideous kludge: __environ is the first */
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+ /* word in crt0.o, and delimits the start */
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+ /* of the data segment, no matter which */
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+ /* ld options were passed through. */
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+ /* We could use _etext instead, but that */
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+ /* would include .rodata, which may */
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+ /* contain large read-only data tables */
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+ /* that we'd rather not scan. */
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+# endif
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+ extern int _end[];
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+# define DATAEND (_end)
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+# else
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+ extern int etext[];
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+# define DATASTART ((ptr_t)((((word) (etext)) + 0xfff) & ~0xfff))
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+# endif
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+# endif
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+# ifdef NOSYS
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+ /* __data_start is usually defined in the target linker script. */
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+ extern int __data_start[];
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+# define DATASTART (ptr_t)(__data_start)
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+ /* __stack_base__ is set in newlib/libc/sys/arm/crt0.S */
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+ extern void *__stack_base__;
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+# define STACKBOTTOM ((ptr_t) (__stack_base__))
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+# endif
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+#endif
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+
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+
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# ifdef ARM32
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# define CPP_WORDSZ 32
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# define MACH_TYPE "ARM32"
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