1 /* -----------------------------------------------------------------*-C-*-
2    ffitarget.h - Copyright (c) 1996-2003  Red Hat, Inc.
3    Target configuration macros for PowerPC.
4 
5    Permission is hereby granted, free of charge, to any person obtaining
6    a copy of this software and associated documentation files (the
7    ``Software''), to deal in the Software without restriction, including
8    without limitation the rights to use, copy, modify, merge, publish,
9    distribute, sublicense, and/or sell copies of the Software, and to
10    permit persons to whom the Software is furnished to do so, subject to
11    the following conditions:
12 
13    The above copyright notice and this permission notice shall be included
14    in all copies or substantial portions of the Software.
15 
16    THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS
17    OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
19    IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20    OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21    ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22    OTHER DEALINGS IN THE SOFTWARE.
23 
24    ----------------------------------------------------------------------- */
25 
26 #ifndef LIBFFI_TARGET_H
27 #define LIBFFI_TARGET_H
28 
29 /* ---- System specific configurations ----------------------------------- */
30 
31 #if defined (POWERPC) && defined (__powerpc64__)
32 #define POWERPC64
33 #endif
34 
35 #ifndef LIBFFI_ASM
36 typedef unsigned long          ffi_arg;
37 typedef signed long            ffi_sarg;
38 
39 typedef enum ffi_abi {
40   FFI_FIRST_ABI = 0,
41 
42 #ifdef POWERPC
43   FFI_SYSV,
44   FFI_GCC_SYSV,
45   FFI_LINUX64,
46 # ifdef POWERPC64
47   FFI_DEFAULT_ABI = FFI_LINUX64,
48 # else
49   FFI_DEFAULT_ABI = FFI_GCC_SYSV,
50 # endif
51 #endif
52 
53 #ifdef POWERPC_AIX
54   FFI_AIX,
55   FFI_DARWIN,
56   FFI_DEFAULT_ABI = FFI_AIX,
57 #endif
58 
59 #ifdef POWERPC_DARWIN
60   FFI_AIX,
61   FFI_DARWIN,
62   FFI_DEFAULT_ABI = FFI_DARWIN,
63 #endif
64 
65   FFI_LAST_ABI = FFI_DEFAULT_ABI + 1
66 } ffi_abi;
67 #endif
68 
69 /* ---- Definitions for closures ----------------------------------------- */
70 
71 #define FFI_CLOSURES 1
72 #define FFI_NATIVE_RAW_API 0
73 
74 #if defined(POWERPC64) || defined(POWERPC_AIX)
75 #define FFI_TRAMPOLINE_SIZE 24
76 #else /* POWERPC || POWERPC_AIX */
77 #define FFI_TRAMPOLINE_SIZE 40
78 #endif
79 
80 #ifndef LIBFFI_ASM
81 #if defined(POWERPC_DARWIN) || defined(POWERPC_AIX)
82 struct ffi_aix_trampoline_struct {
83     void * code_pointer;	/* Pointer to ffi_closure_ASM */
84     void * toc;			/* TOC */
85     void * static_chain;	/* Pointer to closure */
86 };
87 #endif
88 #endif
89 
90 #endif
91 
92