1/* -----------------------------------------------------------------*-C-*-
2   ppc-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#ifndef LIBFFI_TARGET_H
26#define LIBFFI_TARGET_H
27
28/* ---- System specific configurations ----------------------------------- */
29
30#if (defined(POWERPC) && defined(__powerpc64__)) ||		\
31	(defined(POWERPC_DARWIN) && defined(__ppc64__))
32#define POWERPC64
33#endif
34
35#ifndef LIBFFI_ASM
36
37typedef unsigned long	ffi_arg;
38typedef signed long		ffi_sarg;
39
40typedef enum ffi_abi {
41	FFI_FIRST_ABI = 0,
42
43#ifdef POWERPC
44	FFI_SYSV,
45	FFI_GCC_SYSV,
46	FFI_LINUX64,
47#	ifdef POWERPC64
48	FFI_DEFAULT_ABI = FFI_LINUX64,
49#	else
50	FFI_DEFAULT_ABI = FFI_GCC_SYSV,
51#	endif
52#endif
53
54#ifdef POWERPC_AIX
55	FFI_AIX,
56	FFI_DARWIN,
57	FFI_DEFAULT_ABI = FFI_AIX,
58#endif
59
60#ifdef POWERPC_DARWIN
61	FFI_AIX,
62	FFI_DARWIN,
63	FFI_DEFAULT_ABI = FFI_DARWIN,
64#endif
65
66#ifdef POWERPC_FREEBSD
67	FFI_SYSV,
68	FFI_GCC_SYSV,
69	FFI_LINUX64,
70	FFI_DEFAULT_ABI = FFI_SYSV,
71#endif
72
73	FFI_LAST_ABI = FFI_DEFAULT_ABI + 1
74} ffi_abi;
75
76#endif	// #ifndef LIBFFI_ASM
77
78/* ---- Definitions for closures ----------------------------------------- */
79
80#define FFI_CLOSURES 1
81#define FFI_NATIVE_RAW_API 0
82
83/* Needed for FFI_SYSV small structure returns.  */
84#define FFI_SYSV_TYPE_SMALL_STRUCT  (FFI_TYPE_LAST)
85
86#if defined(POWERPC64) /*|| defined(POWERPC_AIX)*/
87#	define FFI_TRAMPOLINE_SIZE 48
88#elif defined(POWERPC_AIX)
89#	define FFI_TRAMPOLINE_SIZE 24
90#else
91#	define FFI_TRAMPOLINE_SIZE 40
92#endif
93
94#ifndef LIBFFI_ASM
95#	if defined(POWERPC_DARWIN) || defined(POWERPC_AIX)
96typedef struct ffi_aix_trampoline_struct {
97	void*	code_pointer;	/* Pointer to ffi_closure_ASM */
98	void*	toc;			/* TOC */
99	void*	static_chain;	/* Pointer to closure */
100} ffi_aix_trampoline_struct;
101#	endif
102#endif	// #ifndef LIBFFI_ASM
103
104#endif	// #ifndef LIBFFI_TARGET_H