xref: /aosp_15_r20/external/libffi/src/aarch64/ffitarget.h (revision 1fd5a2e1d639cd1ddf29dd0c484c123bbd850c21)
1*1fd5a2e1SPrashanth Swaminathan /* Copyright (c) 2009, 2010, 2011, 2012 ARM Ltd.
2*1fd5a2e1SPrashanth Swaminathan 
3*1fd5a2e1SPrashanth Swaminathan Permission is hereby granted, free of charge, to any person obtaining
4*1fd5a2e1SPrashanth Swaminathan a copy of this software and associated documentation files (the
5*1fd5a2e1SPrashanth Swaminathan ``Software''), to deal in the Software without restriction, including
6*1fd5a2e1SPrashanth Swaminathan without limitation the rights to use, copy, modify, merge, publish,
7*1fd5a2e1SPrashanth Swaminathan distribute, sublicense, and/or sell copies of the Software, and to
8*1fd5a2e1SPrashanth Swaminathan permit persons to whom the Software is furnished to do so, subject to
9*1fd5a2e1SPrashanth Swaminathan the following conditions:
10*1fd5a2e1SPrashanth Swaminathan 
11*1fd5a2e1SPrashanth Swaminathan The above copyright notice and this permission notice shall be
12*1fd5a2e1SPrashanth Swaminathan included in all copies or substantial portions of the Software.
13*1fd5a2e1SPrashanth Swaminathan 
14*1fd5a2e1SPrashanth Swaminathan THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
15*1fd5a2e1SPrashanth Swaminathan EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16*1fd5a2e1SPrashanth Swaminathan MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
17*1fd5a2e1SPrashanth Swaminathan IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
18*1fd5a2e1SPrashanth Swaminathan CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
19*1fd5a2e1SPrashanth Swaminathan TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
20*1fd5a2e1SPrashanth Swaminathan SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
21*1fd5a2e1SPrashanth Swaminathan 
22*1fd5a2e1SPrashanth Swaminathan #ifndef LIBFFI_TARGET_H
23*1fd5a2e1SPrashanth Swaminathan #define LIBFFI_TARGET_H
24*1fd5a2e1SPrashanth Swaminathan 
25*1fd5a2e1SPrashanth Swaminathan #ifndef LIBFFI_H
26*1fd5a2e1SPrashanth Swaminathan #error "Please do not include ffitarget.h directly into your source.  Use ffi.h instead."
27*1fd5a2e1SPrashanth Swaminathan #endif
28*1fd5a2e1SPrashanth Swaminathan 
29*1fd5a2e1SPrashanth Swaminathan #ifndef LIBFFI_ASM
30*1fd5a2e1SPrashanth Swaminathan #ifdef __ILP32__
31*1fd5a2e1SPrashanth Swaminathan #define FFI_SIZEOF_ARG 8
32*1fd5a2e1SPrashanth Swaminathan #define FFI_SIZEOF_JAVA_RAW  4
33*1fd5a2e1SPrashanth Swaminathan typedef unsigned long long ffi_arg;
34*1fd5a2e1SPrashanth Swaminathan typedef signed long long ffi_sarg;
35*1fd5a2e1SPrashanth Swaminathan #elif defined(_M_ARM64)
36*1fd5a2e1SPrashanth Swaminathan #define FFI_SIZEOF_ARG 8
37*1fd5a2e1SPrashanth Swaminathan typedef unsigned long long ffi_arg;
38*1fd5a2e1SPrashanth Swaminathan typedef signed long long ffi_sarg;
39*1fd5a2e1SPrashanth Swaminathan #else
40*1fd5a2e1SPrashanth Swaminathan typedef unsigned long ffi_arg;
41*1fd5a2e1SPrashanth Swaminathan typedef signed long ffi_sarg;
42*1fd5a2e1SPrashanth Swaminathan #endif
43*1fd5a2e1SPrashanth Swaminathan 
44*1fd5a2e1SPrashanth Swaminathan typedef enum ffi_abi
45*1fd5a2e1SPrashanth Swaminathan   {
46*1fd5a2e1SPrashanth Swaminathan     FFI_FIRST_ABI = 0,
47*1fd5a2e1SPrashanth Swaminathan     FFI_SYSV,
48*1fd5a2e1SPrashanth Swaminathan     FFI_LAST_ABI,
49*1fd5a2e1SPrashanth Swaminathan     FFI_DEFAULT_ABI = FFI_SYSV
50*1fd5a2e1SPrashanth Swaminathan   } ffi_abi;
51*1fd5a2e1SPrashanth Swaminathan #endif
52*1fd5a2e1SPrashanth Swaminathan 
53*1fd5a2e1SPrashanth Swaminathan /* ---- Definitions for closures ----------------------------------------- */
54*1fd5a2e1SPrashanth Swaminathan 
55*1fd5a2e1SPrashanth Swaminathan #define FFI_CLOSURES 1
56*1fd5a2e1SPrashanth Swaminathan #define FFI_NATIVE_RAW_API 0
57*1fd5a2e1SPrashanth Swaminathan 
58*1fd5a2e1SPrashanth Swaminathan #if defined (FFI_EXEC_TRAMPOLINE_TABLE) && FFI_EXEC_TRAMPOLINE_TABLE
59*1fd5a2e1SPrashanth Swaminathan 
60*1fd5a2e1SPrashanth Swaminathan #ifdef __MACH__
61*1fd5a2e1SPrashanth Swaminathan #define FFI_TRAMPOLINE_SIZE 16
62*1fd5a2e1SPrashanth Swaminathan #define FFI_TRAMPOLINE_CLOSURE_OFFSET 16
63*1fd5a2e1SPrashanth Swaminathan #else
64*1fd5a2e1SPrashanth Swaminathan #error "No trampoline table implementation"
65*1fd5a2e1SPrashanth Swaminathan #endif
66*1fd5a2e1SPrashanth Swaminathan 
67*1fd5a2e1SPrashanth Swaminathan #else
68*1fd5a2e1SPrashanth Swaminathan #define FFI_TRAMPOLINE_SIZE 24
69*1fd5a2e1SPrashanth Swaminathan #define FFI_TRAMPOLINE_CLOSURE_OFFSET FFI_TRAMPOLINE_SIZE
70*1fd5a2e1SPrashanth Swaminathan #endif
71*1fd5a2e1SPrashanth Swaminathan 
72*1fd5a2e1SPrashanth Swaminathan #ifdef _M_ARM64
73*1fd5a2e1SPrashanth Swaminathan #define FFI_EXTRA_CIF_FIELDS unsigned is_variadic
74*1fd5a2e1SPrashanth Swaminathan #endif
75*1fd5a2e1SPrashanth Swaminathan 
76*1fd5a2e1SPrashanth Swaminathan /* ---- Internal ---- */
77*1fd5a2e1SPrashanth Swaminathan 
78*1fd5a2e1SPrashanth Swaminathan #if defined (__APPLE__)
79*1fd5a2e1SPrashanth Swaminathan #define FFI_TARGET_SPECIFIC_VARIADIC
80*1fd5a2e1SPrashanth Swaminathan #define FFI_EXTRA_CIF_FIELDS unsigned aarch64_nfixedargs
81*1fd5a2e1SPrashanth Swaminathan #elif !defined(_M_ARM64)
82*1fd5a2e1SPrashanth Swaminathan /* iOS and Windows reserve x18 for the system.  Disable Go closures until
83*1fd5a2e1SPrashanth Swaminathan    a new static chain is chosen.  */
84*1fd5a2e1SPrashanth Swaminathan #define FFI_GO_CLOSURES 1
85*1fd5a2e1SPrashanth Swaminathan #endif
86*1fd5a2e1SPrashanth Swaminathan 
87*1fd5a2e1SPrashanth Swaminathan #ifndef _M_ARM64
88*1fd5a2e1SPrashanth Swaminathan /* No complex type on Windows */
89*1fd5a2e1SPrashanth Swaminathan #define FFI_TARGET_HAS_COMPLEX_TYPE
90*1fd5a2e1SPrashanth Swaminathan #endif
91*1fd5a2e1SPrashanth Swaminathan 
92*1fd5a2e1SPrashanth Swaminathan #endif
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