github.com/prattmic/llgo-embedded@v0.0.0-20150820070356-41cfecea0e1e/third_party/gofrontend/libffi/src/aarch64/internal.h (about)

     1  /* 
     2  Permission is hereby granted, free of charge, to any person obtaining
     3  a copy of this software and associated documentation files (the
     4  ``Software''), to deal in the Software without restriction, including
     5  without limitation the rights to use, copy, modify, merge, publish,
     6  distribute, sublicense, and/or sell copies of the Software, and to
     7  permit persons to whom the Software is furnished to do so, subject to
     8  the following conditions:
     9  
    10  The above copyright notice and this permission notice shall be
    11  included in all copies or substantial portions of the Software.
    12  
    13  THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
    14  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
    15  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
    16  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
    17  CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
    18  TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
    19  SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
    20  
    21  #define AARCH64_RET_VOID	0
    22  #define AARCH64_RET_INT64	1
    23  #define AARCH64_RET_INT128	2
    24  
    25  #define AARCH64_RET_UNUSED3	3
    26  #define AARCH64_RET_UNUSED4	4
    27  #define AARCH64_RET_UNUSED5	5
    28  #define AARCH64_RET_UNUSED6	6
    29  #define AARCH64_RET_UNUSED7	7
    30  
    31  /* Note that FFI_TYPE_FLOAT == 2, _DOUBLE == 3, _LONGDOUBLE == 4,
    32     so _S4 through _Q1 are layed out as (TYPE * 4) + (4 - COUNT).  */
    33  #define AARCH64_RET_S4		8
    34  #define AARCH64_RET_S3		9
    35  #define AARCH64_RET_S2		10
    36  #define AARCH64_RET_S1		11
    37  
    38  #define AARCH64_RET_D4		12
    39  #define AARCH64_RET_D3		13
    40  #define AARCH64_RET_D2		14
    41  #define AARCH64_RET_D1		15
    42  
    43  #define AARCH64_RET_Q4		16
    44  #define AARCH64_RET_Q3		17
    45  #define AARCH64_RET_Q2		18
    46  #define AARCH64_RET_Q1		19
    47  
    48  /* Note that each of the sub-64-bit integers gets two entries.  */
    49  #define AARCH64_RET_UINT8	20
    50  #define AARCH64_RET_UINT16	22
    51  #define AARCH64_RET_UINT32	24
    52  
    53  #define AARCH64_RET_SINT8	26
    54  #define AARCH64_RET_SINT16	28
    55  #define AARCH64_RET_SINT32	30
    56  
    57  #define AARCH64_RET_MASK	31
    58  
    59  #define AARCH64_RET_IN_MEM	(1 << 5)
    60  #define AARCH64_RET_NEED_COPY	(1 << 6)
    61  
    62  #define AARCH64_FLAG_ARG_V_BIT	7
    63  #define AARCH64_FLAG_ARG_V	(1 << AARCH64_FLAG_ARG_V_BIT)
    64  
    65  #define N_X_ARG_REG		8
    66  #define N_V_ARG_REG		8
    67  #define CALL_CONTEXT_SIZE	(N_V_ARG_REG * 16 + N_X_ARG_REG * 8)