Cross compile for RaspberryPi (arm64)

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kin

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Jun 17, 2016, 8:10:21 AM6/17/16
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Hi,

I'm trying to cross compile the v8 engine. My host is an Ubuntu 14.04 x64, the target is arm64 and the toolchain is the gcc-linaro-arm-linux-gnueabihf-raspbian-x64 provided from the RaspberryPi tools.

Here is what I do to compile :

export PATH=`pwd`/depot_tools:$PATH
fetch v8
cd v8
gypfiles/gyp_v8 -Dtarget_arch=arm64
export CXX=/tools/rasp/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin/arm-linux-gnueabihf-g++
export LINK=/tools/rasp/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin/arm-linux-gnueabihf-g++
make arm64.release

Here is the result :

14:02:00.377 PYTHONPATH="/var/lib/go-agent/pipelines/v8-raspberry/v8/tools/generate_shim_headers:/var/lib/go-agent/pipelines/v8-raspberry/v8/gypfiles::/var/lib/go-agent/pipelines/v8-raspberry/v8/tools/gyp/pylib:" \
14:02:00.377 	GYP_GENERATORS=make \
14:02:00.377 	tools/gyp/gyp --generator-output="out" gypfiles/all.gyp \
14:02:00.377 	              -Igypfiles/standalone.gypi --depth=. \
14:02:00.378 	              -Dv8_target_arch=arm64 \
14:02:00.378 	               -Dtarget_arch=arm64 \
14:02:00.378 	               \
14:02:00.378 	              -S.arm64.release  -Dv8_enable_backtrace=1 -Darm_fpu=default -Darm_float_abi=default
14:02:01.827 make[1]: entrant dans le répertoire « /var/lib/go-agent/pipelines/v8-raspberry/v8/out »
14:02:01.828   CXX(target) /var/lib/go-agent/pipelines/v8-raspberry/v8/out/arm64.release/obj.target/v8_base/src/accessors.o
14:02:01.925 In file included from .././src/globals.h:13:0,
14:02:01.925                  from .././src/allocation.h:8,
14:02:01.925                  from .././src/accessors.h:9,
14:02:01.925                  from ../src/accessors.cc:5:
14:02:01.925 .././src/base/build_config.h:159:2: error: #error Target architecture arm64 is only supported on arm64 and x64 host
14:02:01.925  #error Target architecture arm64 is only supported on arm64 and x64 host
14:02:01.925   ^
14:02:02.704 In file included from .././src/globals.h:15:0,
14:02:02.706                  from .././src/allocation.h:8,
14:02:02.706                  from .././src/accessors.h:9,
14:02:02.706                  from ../src/accessors.cc:5:
14:02:02.706 .././src/base/macros.h:217:29: error: static assertion failed: sizeof(long) == sizeof(int64_t)
14:02:02.706  #define STATIC_ASSERT(test) static_assert(test, #test)
14:02:02.706                              ^
14:02:02.706 .././src/arm64/constants-arm64.h:13:1: note: in expansion of macro ‘STATIC_ASSERT’
14:02:02.706  STATIC_ASSERT(sizeof(long) == sizeof(int64_t));    // NOLINT(runtime/int)
14:02:02.706  ^
14:02:02.706 .././src/base/macros.h:217:29: error: static assertion failed: sizeof(void *) == sizeof(int64_t)
14:02:02.706  #define STATIC_ASSERT(test) static_assert(test, #test)
14:02:02.706                              ^
14:02:02.706 .././src/arm64/constants-arm64.h:14:1: note: in expansion of macro ‘STATIC_ASSERT’
14:02:02.707  STATIC_ASSERT(sizeof(void *) == sizeof(int64_t));
14:02:02.707  ^
14:02:02.707 .././src/base/macros.h:217:29: error: static assertion failed: sizeof(1L) == sizeof(int64_t)
14:02:02.707  #define STATIC_ASSERT(test) static_assert(test, #test)
14:02:02.707                              ^
14:02:02.707 .././src/arm64/constants-arm64.h:16:1: note: in expansion of macro ‘STATIC_ASSERT’
14:02:02.707  STATIC_ASSERT(sizeof(1L) == sizeof(int64_t));
14:02:02.707  ^
14:02:02.707 In file included from .././src/objects.h:29:0,
14:02:02.707                  from .././src/heap/spaces.h:18,
14:02:02.707                  from .././src/heap/heap.h:20,
14:02:02.707                  from .././src/contexts.h:8,
14:02:02.707                  from .././src/api.h:9,
14:02:02.707                  from ../src/accessors.cc:7:
14:02:02.707 .././src/arm64/constants-arm64.h:68:36: error: left shift count >= width of type [-Werror]
14:02:02.707  const int64_t kDSignMask = 0x1L << kDSignBit;
14:02:02.707                                     ^
14:02:02.708 .././src/arm64/constants-arm64.h:72:36: error: left shift count >= width of type [-Werror]
14:02:02.708  const int64_t kXSignMask = 0x1L << kXSignBit;
14:02:02.708                                     ^
14:02:02.708 .././src/arm64/constants-arm64.h:76:40: error: left shift count >= width of type [-Werror]
14:02:02.708  const int64_t kDQuietNanMask = 0x1L << kDQuietNanBit;
14:02:02.708                                         ^
14:02:02.995 In file included from .././src/globals.h:15:0,
14:02:02.995                  from .././src/allocation.h:8,
14:02:02.995                  from .././src/accessors.h:9,
14:02:02.995                  from ../src/accessors.cc:5:
14:02:02.995 .././src/base/macros.h:258:36: error: large integer implicitly truncated to unsigned type [-Werror=overflow]
14:02:02.996  # define V8_UINT64_C(x)   (x ## ULL)
14:02:02.997                                     ^
14:02:02.997 .././src/execution.h:163:44: note: in expansion of macro ‘V8_UINT64_C’
14:02:02.997    static const uintptr_t kInterruptLimit = V8_UINT64_C(0xfffffffffffffffe);
14:02:02.997                                             ^
14:02:02.997 .././src/base/macros.h:258:36: error: large integer implicitly truncated to unsigned type [-Werror=overflow]
14:02:02.997  # define V8_UINT64_C(x)   (x ## ULL)
14:02:02.997                                     ^
14:02:02.997 .././src/execution.h:164:42: note: in expansion of macro ‘V8_UINT64_C’
14:02:02.997    static const uintptr_t kIllegalLimit = V8_UINT64_C(0xfffffffffffffff8);
14:02:02.998                                           ^
14:02:04.109 .././src/arm64/assembler-arm64-inl.h: In static member function ‘static v8::internal::Operand v8::internal::Operand::UntagSmi(v8::internal::Register)’:
14:02:04.110 .././src/base/macros.h:217:29: error: static assertion failed: kXRegSizeInBits == static_cast<unsigned>(kSmiShift + kSmiValueSize)
14:02:04.110  #define STATIC_ASSERT(test) static_assert(test, #test)
14:02:04.110                              ^
14:02:04.110 .././src/arm64/assembler-arm64-inl.h:438:3: note: in expansion of macro ‘STATIC_ASSERT’
14:02:04.110    STATIC_ASSERT(kXRegSizeInBits == static_cast<unsigned>(kSmiShift +
14:02:04.110    ^
14:02:04.114 .././src/arm64/assembler-arm64-inl.h: In static member function ‘static v8::internal::Operand v8::internal::Operand::UntagSmiAndScale(v8::internal::Register, int)’:
14:02:04.114 .././src/base/macros.h:217:29: error: static assertion failed: kXRegSizeInBits == static_cast<unsigned>(kSmiShift + kSmiValueSize)
14:02:04.114  #define STATIC_ASSERT(test) static_assert(test, #test)
14:02:04.114                              ^
14:02:04.115 .././src/arm64/assembler-arm64-inl.h:446:3: note: in expansion of macro ‘STATIC_ASSERT’
14:02:04.115    STATIC_ASSERT(kXRegSizeInBits == static_cast<unsigned>(kSmiShift +
14:02:04.115    ^
14:02:04.162 .././src/arm64/macro-assembler-arm64-inl.h: In function ‘v8::internal::MemOperand v8::internal::UntagSmiMemOperand(v8::internal::Register, int)’:
14:02:04.162 .././src/base/macros.h:217:29: error: static assertion failed: kSmiShift == 32
14:02:04.162  #define STATIC_ASSERT(test) static_assert(test, #test)
14:02:04.162                              ^
14:02:04.162 .././src/arm64/macro-assembler-arm64-inl.h:35:3: note: in expansion of macro ‘STATIC_ASSERT’
14:02:04.162    STATIC_ASSERT(kSmiShift == 32);
14:02:04.162    ^
14:02:04.178 .././src/arm64/macro-assembler-arm64-inl.h: In member function ‘void v8::internal::MacroAssembler::SmiTag(v8::internal::Register, v8::internal::Register)’:
14:02:04.178 .././src/base/macros.h:217:29: error: static assertion failed: kXRegSizeInBits == static_cast<unsigned>(kSmiShift + kSmiValueSize)
14:02:04.178  #define STATIC_ASSERT(test) static_assert(test, #test)
14:02:04.178                              ^
14:02:04.178 .././src/arm64/macro-assembler-arm64-inl.h:1297:3: note: in expansion of macro ‘STATIC_ASSERT’
14:02:04.178    STATIC_ASSERT(kXRegSizeInBits ==
14:02:04.178    ^
14:02:04.178 .././src/arm64/macro-assembler-arm64-inl.h: In member function ‘void v8::internal::MacroAssembler::SmiUntag(v8::internal::Register, v8::internal::Register)’:
14:02:04.178 .././src/base/macros.h:217:29: error: static assertion failed: kXRegSizeInBits == static_cast<unsigned>(kSmiShift + kSmiValueSize)
14:02:04.178  #define STATIC_ASSERT(test) static_assert(test, #test)
14:02:04.178                              ^
14:02:04.178 .././src/arm64/macro-assembler-arm64-inl.h:1308:3: note: in expansion of macro ‘STATIC_ASSERT’
14:02:04.179    STATIC_ASSERT(kXRegSizeInBits ==
14:02:04.179    ^
14:02:04.179 .././src/arm64/macro-assembler-arm64-inl.h: In member function ‘void v8::internal::MacroAssembler::SmiTagAndPush(v8::internal::Register)’:
14:02:04.179 .././src/base/macros.h:217:29: error: static assertion failed: (static_cast<unsigned>(kSmiShift) == kWRegSizeInBits) && (static_cast<unsigned>(kSmiValueSize) == kWRegSizeInBits) && (kSmiTag == 0)
14:02:04.179  #define STATIC_ASSERT(test) static_assert(test, #test)
14:02:04.179                              ^
14:02:04.179 .././src/arm64/macro-assembler-arm64-inl.h:1344:3: note: in expansion of macro ‘STATIC_ASSERT’
14:02:04.179    STATIC_ASSERT((static_cast<unsigned>(kSmiShift) == kWRegSizeInBits) &&
14:02:04.179    ^
14:02:04.180 .././src/arm64/macro-assembler-arm64-inl.h: In member function ‘void v8::internal::MacroAssembler::SmiTagAndPush(v8::internal::Register, v8::internal::Register)’:
14:02:04.180 .././src/base/macros.h:217:29: error: static assertion failed: (static_cast<unsigned>(kSmiShift) == kWRegSizeInBits) && (static_cast<unsigned>(kSmiValueSize) == kWRegSizeInBits) && (kSmiTag == 0)
14:02:04.180  #define STATIC_ASSERT(test) static_assert(test, #test)
14:02:04.180                              ^
14:02:04.180 .././src/arm64/macro-assembler-arm64-inl.h:1352:3: note: in expansion of macro ‘STATIC_ASSERT’
14:02:04.180    STATIC_ASSERT((static_cast<unsigned>(kSmiShift) == kWRegSizeInBits) &&
14:02:04.180    ^
14:02:04.596 cc1plus: all warnings being treated as errors
14:02:04.629 make[1]: quittant le répertoire « /var/lib/go-agent/pipelines/v8-raspberry/v8/out »
14:02:04.629 make[1]: *** [/var/lib/go-agent/pipelines/v8-raspberry/v8/out/arm64.release/obj.target/v8_base/src/accessors.o] Erreur 1
14:02:04.631 make: *** [arm64.release] Erreur 2

I dont enderstand the #error Target architecture arm64 is only supported on arm64 and x64 host. In the code, it detect the compiler as 32 BIT because it defines "__ARMEL__" :

echo | /tools/rasp/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin/arm-linux-gnueabihf-g++ -E -dM -

#define __DBL_MIN_EXP__ (-1021)
#define __HQ_FBIT__ 15
#define __UINT_LEAST16_MAX__ 65535
#define __ARM_SIZEOF_WCHAR_T 32
#define __ATOMIC_ACQUIRE 2
#define __SFRACT_IBIT__ 0
#define __FLT_MIN__ 1.1754943508222875e-38F
#define __UFRACT_MAX__ 0XFFFFP-16UR
#define __UINT_LEAST8_TYPE__ unsigned char
#define __DQ_FBIT__ 63
#define __INTMAX_C(c) c ## LL
#define __ARM_FEATURE_SAT 1
#define __ULFRACT_FBIT__ 32
#define __SACCUM_EPSILON__ 0x1P-7HK
#define __CHAR_BIT__ 8
#define __USQ_IBIT__ 0
#define __UINT8_MAX__ 255
#define __ACCUM_FBIT__ 15
#define __WINT_MAX__ 4294967295U
#define __USFRACT_FBIT__ 8
#define __ORDER_LITTLE_ENDIAN__ 1234
#define __SIZE_MAX__ 4294967295U
#define __ARM_ARCH_ISA_ARM 1
#define __WCHAR_MAX__ 4294967295U
#define __LACCUM_IBIT__ 32
#define __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 1
#define __DBL_DENORM_MIN__ ((double)4.9406564584124654e-324L)
#define __GCC_ATOMIC_CHAR_LOCK_FREE 1
#define __FLT_EVAL_METHOD__ 0
#define __unix__ 1
#define __LLACCUM_MAX__ 0X7FFFFFFFFFFFFFFFP-31LLK
#define __GCC_ATOMIC_CHAR32_T_LOCK_FREE 2
#define __FRACT_FBIT__ 15
#define __UINT_FAST64_MAX__ 18446744073709551615ULL
#define __SIG_ATOMIC_TYPE__ int
#define __UACCUM_FBIT__ 16
#define __DBL_MIN_10_EXP__ (-307)
#define __FINITE_MATH_ONLY__ 0
#define __ARMEL__ 1
#define __ARM_FEATURE_UNALIGNED 1
#define __LFRACT_IBIT__ 0
#define __GNUC_PATCHLEVEL__ 3
#define __LFRACT_MAX__ 0X7FFFFFFFP-31LR
#define __UINT_FAST8_MAX__ 255
#define __DEC64_MAX_EXP__ 385
#define __INT8_C(c) c
#define __UINT_LEAST64_MAX__ 18446744073709551615ULL
#define __SA_FBIT__ 15
#define __SHRT_MAX__ 32767
#define __LDBL_MAX__ 1.7976931348623157e+308L
#define __FRACT_MAX__ 0X7FFFP-15R
#define __UFRACT_FBIT__ 16
#define __ARM_FP 12
#define __UFRACT_MIN__ 0.0UR
#define __UINT_LEAST8_MAX__ 255
#define __GCC_ATOMIC_BOOL_LOCK_FREE 1
#define __UINTMAX_TYPE__ long long unsigned int
#define __LLFRACT_EPSILON__ 0x1P-63LLR
#define __linux 1
#define __DEC32_EPSILON__ 1E-6DF
#define __CHAR_UNSIGNED__ 1
#define __UINT32_MAX__ 4294967295U
#define __ULFRACT_MAX__ 0XFFFFFFFFP-32ULR
#define __TA_IBIT__ 64
#define __LDBL_MAX_EXP__ 1024
#define __WINT_MIN__ 0U
#define __linux__ 1
#define __ULLFRACT_MIN__ 0.0ULLR
#define __SCHAR_MAX__ 127
#define __WCHAR_MIN__ 0U
#define __INT64_C(c) c ## LL
#define __DBL_DIG__ 15
#define __ARM_NEON_FP 4
#define __GCC_ATOMIC_POINTER_LOCK_FREE 2
#define __LLACCUM_MIN__ (-0X1P31LLK-0X1P31LLK)
#define __SIZEOF_INT__ 4
#define __SIZEOF_POINTER__ 4
#define __USACCUM_IBIT__ 8
#define __USER_LABEL_PREFIX__
#define __STDC_HOSTED__ 1
#define __LDBL_HAS_INFINITY__ 1
#define __LFRACT_MIN__ (-0.5LR-0.5LR)
#define __HA_IBIT__ 8
#define __TQ_IBIT__ 0
#define __FLT_EPSILON__ 1.1920928955078125e-7F
#define __APCS_32__ 1
#define __USFRACT_IBIT__ 0
#define __LDBL_MIN__ 2.2250738585072014e-308L
#define __FRACT_MIN__ (-0.5R-0.5R)
#define __DEC32_MAX__ 9.999999E96DF
#define __DA_IBIT__ 32
#define __ARM_SIZEOF_MINIMAL_ENUM 4
#define __INT32_MAX__ 2147483647
#define __UQQ_FBIT__ 8
#define __SIZEOF_LONG__ 4
#define __UACCUM_MAX__ 0XFFFFFFFFP-16UK
#define __UINT16_C(c) c
#define __DECIMAL_DIG__ 17
#define __LFRACT_EPSILON__ 0x1P-31LR
#define __ULFRACT_MIN__ 0.0ULR
#define __gnu_linux__ 1
#define __ARM_PCS_VFP 1
#define __LDBL_HAS_QUIET_NAN__ 1
#define __ULACCUM_IBIT__ 32
#define __UACCUM_EPSILON__ 0x1P-16UK
#define __GNUC__ 4
#define __ULLACCUM_MAX__ 0XFFFFFFFFFFFFFFFFP-32ULLK
#define __HQ_IBIT__ 0
#define __FLT_HAS_DENORM__ 1
#define __SIZEOF_LONG_DOUBLE__ 8
#define __BIGGEST_ALIGNMENT__ 8
#define __DQ_IBIT__ 0
#define __DBL_MAX__ ((double)1.7976931348623157e+308L)
#define __ULFRACT_IBIT__ 0
#define __INT_FAST32_MAX__ 2147483647
#define __DBL_HAS_INFINITY__ 1
#define __ACCUM_IBIT__ 16
#define __DEC32_MIN_EXP__ (-94)
#define __THUMB_INTERWORK__ 1
#define __LACCUM_MAX__ 0X7FFFFFFFFFFFFFFFP-31LK
#define __INT_FAST16_TYPE__ int
#define __LDBL_HAS_DENORM__ 1
#define __ARM_FEATURE_LDREX 4
#define __DEC128_MAX__ 9.999999999999999999999999999999999E6144DL
#define __INT_LEAST32_MAX__ 2147483647
#define __DEC32_MIN__ 1E-95DF
#define __ACCUM_MAX__ 0X7FFFFFFFP-15K
#define __DBL_MAX_EXP__ 1024
#define __USACCUM_EPSILON__ 0x1P-8UHK
#define __DEC128_EPSILON__ 1E-33DL
#define __SFRACT_MAX__ 0X7FP-7HR
#define __FRACT_IBIT__ 0
#define __PTRDIFF_MAX__ 2147483647
#define __UACCUM_MIN__ 0.0UK
#define __UACCUM_IBIT__ 16
#define __LONG_LONG_MAX__ 9223372036854775807LL
#define __SIZEOF_SIZE_T__ 4
#define __ULACCUM_MAX__ 0XFFFFFFFFFFFFFFFFP-32ULK
#define __SIZEOF_WINT_T__ 4
#define __SA_IBIT__ 16
#define __ULLACCUM_MIN__ 0.0ULLK
#define __GXX_ABI_VERSION 1002
#define __UTA_FBIT__ 64
#define __FLT_MIN_EXP__ (-125)
#define __USFRACT_MAX__ 0XFFP-8UHR
#define __UFRACT_IBIT__ 0
#define __ARM_FEATURE_QBIT 1
#define __INT_FAST64_TYPE__ long long int
#define __DBL_MIN__ ((double)2.2250738585072014e-308L)
#define __LACCUM_MIN__ (-0X1P31LK-0X1P31LK)
#define __ULLACCUM_FBIT__ 32
#define __GXX_TYPEINFO_EQUALITY_INLINE 0
#define __ULLFRACT_EPSILON__ 0x1P-64ULLR
#define __DEC128_MIN__ 1E-6143DL
#define __REGISTER_PREFIX__
#define __UINT16_MAX__ 65535
#define __DBL_HAS_DENORM__ 1
#define __ACCUM_MIN__ (-0X1P15K-0X1P15K)
#define __SQ_IBIT__ 0
#define __UINT8_TYPE__ unsigned char
#define __UHA_FBIT__ 8
#define __NO_INLINE__ 1
#define __SFRACT_MIN__ (-0.5HR-0.5HR)
#define __UTQ_FBIT__ 128
#define __FLT_MANT_DIG__ 24
#define __VERSION__ "4.8.3 20140303 (prerelease)"
#define __UINT64_C(c) c ## ULL
#define __ULLFRACT_FBIT__ 64
#define __FRACT_EPSILON__ 0x1P-15R
#define __ULACCUM_MIN__ 0.0ULK
#define __UDA_FBIT__ 32
#define __LLACCUM_EPSILON__ 0x1P-31LLK
#define __GCC_ATOMIC_INT_LOCK_FREE 2
#define __FLOAT_WORD_ORDER__ __ORDER_LITTLE_ENDIAN__
#define __USFRACT_MIN__ 0.0UHR
#define __UQQ_IBIT__ 0
#define __INT32_C(c) c
#define __DEC64_EPSILON__ 1E-15DD
#define __ORDER_PDP_ENDIAN__ 3412
#define __DEC128_MIN_EXP__ (-6142)
#define __UHQ_FBIT__ 16
#define __LLACCUM_FBIT__ 31
#define __INT_FAST32_TYPE__ int
#define __UINT_LEAST16_TYPE__ short unsigned int
#define unix 1
#define __INT16_MAX__ 32767
#define __SIZE_TYPE__ unsigned int
#define __UINT64_MAX__ 18446744073709551615ULL
#define __UDQ_FBIT__ 64
#define __INT8_TYPE__ signed char
#define __ELF__ 1
#define __ULFRACT_EPSILON__ 0x1P-32ULR
#define __LLFRACT_FBIT__ 63
#define __FLT_RADIX__ 2
#define __INT_LEAST16_TYPE__ short int
#define __LDBL_EPSILON__ 2.2204460492503131e-16L
#define __UINTMAX_C(c) c ## ULL
#define __SACCUM_MAX__ 0X7FFFP-7HK
#define __SIG_ATOMIC_MAX__ 2147483647
#define __GCC_ATOMIC_WCHAR_T_LOCK_FREE 2
#define __VFP_FP__ 1
#define __SIZEOF_PTRDIFF_T__ 4
#define __LACCUM_EPSILON__ 0x1P-31LK
#define __DEC32_SUBNORMAL_MIN__ 0.000001E-95DF
#define __INT_FAST16_MAX__ 2147483647
#define __ARM_ARCH_6__ 1
#define __UINT_FAST32_MAX__ 4294967295U
#define __UINT_LEAST64_TYPE__ long long unsigned int
#define __USACCUM_MAX__ 0XFFFFP-8UHK
#define __SFRACT_EPSILON__ 0x1P-7HR
#define __FLT_HAS_QUIET_NAN__ 1
#define __FLT_MAX_10_EXP__ 38
#define __LONG_MAX__ 2147483647L
#define __DEC128_SUBNORMAL_MIN__ 0.000000000000000000000000000000001E-6143DL
#define __FLT_HAS_INFINITY__ 1
#define __unix 1
#define __USA_FBIT__ 16
#define __UINT_FAST16_TYPE__ unsigned int
#define __DEC64_MAX__ 9.999999999999999E384DD
#define __ARM_32BIT_STATE 1
#define __CHAR16_TYPE__ short unsigned int
#define __PRAGMA_REDEFINE_EXTNAME 1
#define __INT_LEAST16_MAX__ 32767
#define __DEC64_MANT_DIG__ 16
#define __INT64_MAX__ 9223372036854775807LL
#define __UINT_LEAST32_MAX__ 4294967295U
#define __SACCUM_FBIT__ 7
#define __GCC_ATOMIC_LONG_LOCK_FREE 2
#define __INT_LEAST64_TYPE__ long long int
#define __ARM_FEATURE_CLZ 1
#define __INT16_TYPE__ short int
#define __INT_LEAST8_TYPE__ signed char
#define __SQ_FBIT__ 31
#define __DEC32_MAX_EXP__ 97
#define __ARM_ARCH_ISA_THUMB 1
#define __INT_FAST8_MAX__ 127
#define __ARM_ARCH 6
#define __INTPTR_MAX__ 2147483647
#define __QQ_FBIT__ 7
#define linux 1
#define __UTA_IBIT__ 64
#define __LDBL_MANT_DIG__ 53
#define __SFRACT_FBIT__ 7
#define __SACCUM_MIN__ (-0X1P7HK-0X1P7HK)
#define __DBL_HAS_QUIET_NAN__ 1
#define __SIG_ATOMIC_MIN__ (-__SIG_ATOMIC_MAX__ - 1)
#define __INTPTR_TYPE__ int
#define __UINT16_TYPE__ short unsigned int
#define __WCHAR_TYPE__ unsigned int
#define __SIZEOF_FLOAT__ 4
#define __USQ_FBIT__ 32
#define __UINTPTR_MAX__ 4294967295U
#define __DEC64_MIN_EXP__ (-382)
#define __ULLACCUM_IBIT__ 32
#define __INT_FAST64_MAX__ 9223372036854775807LL
#define __GCC_ATOMIC_TEST_AND_SET_TRUEVAL 1
#define __FLT_DIG__ 6
#define __UINT_FAST64_TYPE__ long long unsigned int
#define __INT_MAX__ 2147483647
#define __LACCUM_FBIT__ 31
#define __USACCUM_MIN__ 0.0UHK
#define __UHA_IBIT__ 8
#define __INT64_TYPE__ long long int
#define __FLT_MAX_EXP__ 128
#define __UTQ_IBIT__ 0
#define __DBL_MANT_DIG__ 53
#define __INT_LEAST64_MAX__ 9223372036854775807LL
#define __GCC_ATOMIC_CHAR16_T_LOCK_FREE 1
#define __DEC64_MIN__ 1E-383DD
#define __WINT_TYPE__ unsigned int
#define __UINT_LEAST32_TYPE__ unsigned int
#define __SIZEOF_SHORT__ 2
#define __ULLFRACT_IBIT__ 0
#define __LDBL_MIN_EXP__ (-1021)
#define __arm__ 1
#define __UDA_IBIT__ 32
#define __INT_LEAST8_MAX__ 127
#define __LFRACT_FBIT__ 31
#define __LDBL_MAX_10_EXP__ 308
#define __ATOMIC_RELAXED 0
#define __DBL_EPSILON__ ((double)2.2204460492503131e-16L)
#define __ARM_FEATURE_SIMD32 1
#define __UINT8_C(c) c
#define __INT_LEAST32_TYPE__ int
#define __SIZEOF_WCHAR_T__ 4
#define __UINT64_TYPE__ long long unsigned int
#define __LLFRACT_MAX__ 0X7FFFFFFFFFFFFFFFP-63LLR
#define __TQ_FBIT__ 127
#define __INT_FAST8_TYPE__ signed char
#define __ULLACCUM_EPSILON__ 0x1P-32ULLK
#define __UHQ_IBIT__ 0
#define __LLACCUM_IBIT__ 32
#define __DBL_DECIMAL_DIG__ 17
#define __DEC_EVAL_METHOD__ 2
#define __TA_FBIT__ 63
#define __UDQ_IBIT__ 0
#define __ORDER_BIG_ENDIAN__ 4321
#define __ACCUM_EPSILON__ 0x1P-15K
#define __UINT32_C(c) c ## U
#define __INTMAX_MAX__ 9223372036854775807LL
#define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
#define __FLT_DENORM_MIN__ 1.4012984643248171e-45F
#define __LLFRACT_IBIT__ 0
#define __INT8_MAX__ 127
#define __UINT_FAST32_TYPE__ unsigned int
#define __CHAR32_TYPE__ unsigned int
#define __FLT_MAX__ 3.4028234663852886e+38F
#define __USACCUM_FBIT__ 8
#define __INT32_TYPE__ int
#define __SIZEOF_DOUBLE__ 8
#define __FLT_MIN_10_EXP__ (-37)
#define __UFRACT_EPSILON__ 0x1P-16UR
#define __INTMAX_TYPE__ long long int
#define __DEC128_MAX_EXP__ 6145
#define __ATOMIC_CONSUME 1
#define __GNUC_MINOR__ 8
#define __UINTMAX_MAX__ 18446744073709551615ULL
#define __DEC32_MANT_DIG__ 7
#define __HA_FBIT__ 7
#define __DBL_MAX_10_EXP__ 308
#define __LDBL_DENORM_MIN__ 4.9406564584124654e-324L
#define __INT16_C(c) c
#define __STDC__ 1
#define __PTRDIFF_TYPE__ int
#define __LLFRACT_MIN__ (-0.5LLR-0.5LLR)
#define __ATOMIC_SEQ_CST 5
#define __DA_FBIT__ 31
#define __UINT32_TYPE__ unsigned int
#define __UINTPTR_TYPE__ unsigned int
#define __USA_IBIT__ 16
#define __DEC64_SUBNORMAL_MIN__ 0.000000000000001E-383DD
#define __ARM_EABI__ 1
#define __DEC128_MANT_DIG__ 34
#define __LDBL_MIN_10_EXP__ (-307)
#define __SIZEOF_LONG_LONG__ 8
#define __ULACCUM_EPSILON__ 0x1P-32ULK
#define __SACCUM_IBIT__ 8
#define __GCC_ATOMIC_LLONG_LOCK_FREE 1
#define __LDBL_DIG__ 15
#define __FLT_DECIMAL_DIG__ 9
#define __UINT_FAST16_MAX__ 4294967295U
#define __GNUC_GNU_INLINE__ 1
#define __GCC_ATOMIC_SHORT_LOCK_FREE 1
#define __ULLFRACT_MAX__ 0XFFFFFFFFFFFFFFFFP-64ULLR
#define __UINT_FAST8_TYPE__ unsigned char
#define __USFRACT_EPSILON__ 0x1P-8UHR
#define __ULACCUM_FBIT__ 32
#define __ARM_FEATURE_DSP 1
#define __QQ_IBIT__ 0
#define __ATOMIC_ACQ_REL 4
#define __ATOMIC_RELEASE 3

Have I done something bad ? Should I use another compiler ?

Thanks :)

kin


Jochen Eisinger

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Jun 20, 2016, 3:18:06 AM6/20/16
to v8-users

I suspect you have to pass -Dclang=0 to gyp_v8

Your compiler should define __ARCH64EL__ if you pass -m64

best
jochen


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Rodolph Perfetta

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Jun 20, 2016, 5:26:36 AM6/20/16
to kin, v8-u...@googlegroups.com
Hi Kin,

Unlike Intel the arm64 and arm32 toolchains are two different toolchains. The one you are using is for 32-bit arm only hence only arm32 is defined. The 64-bit version will be named something like gcc-linaro-aarch64-…

You are probably aware of it but only the Raspberry Pi 3 can run arm64 code.

HTH,
Rodolph

Aurélien ....

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Jun 20, 2016, 7:42:26 AM6/20/16
to Rodolph Perfetta, v8-u...@googlegroups.com
Hi Rodolph,

Yes it is for a Raspberry Pi 3.

The Raspberry official toolchains are arm-bcm2708-linux-gnueabi, arm-bcm2708hardfp-linux-gnueabi, arm-rpi-4.9.3-linux-gnueabihf, gcc-linaro-arm-linux-gnueabihf-raspbian-x64 and gcc-linaro-arm-linux-gnueabihf-raspbian.


Where can I find a gcc-linaro-aarch64-* ?

Thanks,

Kin

Rodolph Perfetta

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Jun 20, 2016, 8:01:46 AM6/20/16
to Aurélien ...., v8-u...@googlegroups.com
So I looked around quickly and it looks like Raspberry only officially support 32-bit arm even on the Pi 3. If you need 64-bit there seems to be some 64-bit kernels in the wild and a default linux toolchain may work with it.

Cheers,
Rodolph. 
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