| | 1 | /* |
| | 2 | * dyngen defines for micro operation code |
| | 3 | * |
| | 4 | * Copyright (c) 2003 Fabrice Bellard |
| | 5 | * |
| | 6 | * This library is free software; you can redistribute it and/or |
| | 7 | * modify it under the terms of the GNU Lesser General Public |
| | 8 | * License as published by the Free Software Foundation; either |
| | 9 | * version 2 of the License, or (at your option) any later version. |
| | 10 | * |
| | 11 | * This library is distributed in the hope that it will be useful, |
| | 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| | 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| | 14 | * Lesser General Public License for more details. |
| | 15 | * |
| | 16 | * You should have received a copy of the GNU Lesser General Public |
| | 17 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| | 18 | */ |
| | 19 | #if !defined(__DYNGEN_EXEC_H__) |
| | 20 | #define __DYNGEN_EXEC_H__ |
| | 21 | |
| | 22 | #include "qemu-common.h" |
| | 23 | |
| | 24 | #ifdef __OpenBSD__ |
| | 25 | #include <sys/types.h> |
| | 26 | #endif |
| | 27 | |
| | 28 | /* XXX: This may be wrong for 64-bit ILP32 hosts. */ |
| | 29 | typedef void * host_reg_t; |
| | 30 | |
| | 31 | #if defined(__i386__) |
| | 32 | #define AREG0 "ebp" |
| | 33 | #elif defined(__x86_64__) |
| | 34 | #define AREG0 "r14" |
| | 35 | #elif defined(_ARCH_PPC) |
| | 36 | #define AREG0 "r27" |
| | 37 | #elif defined(__arm__) |
| | 38 | #define AREG0 "r7" |
| | 39 | #elif defined(__hppa__) |
| | 40 | #define AREG0 "r17" |
| | 41 | #elif defined(__mips__) |
| | 42 | #define AREG0 "s0" |
| | 43 | #elif defined(__sparc__) |
| | 44 | #ifdef CONFIG_SOLARIS |
| | 45 | #define AREG0 "g2" |
| | 46 | #else |
| | 47 | #ifdef __sparc_v9__ |
| | 48 | #define AREG0 "g5" |
| | 49 | #else |
| | 50 | #define AREG0 "g6" |
| | 51 | #endif |
| | 52 | #endif |
| | 53 | #elif defined(__s390__) |
| | 54 | #define AREG0 "r10" |
| | 55 | #elif defined(__alpha__) |
| | 56 | /* Note $15 is the frame pointer, so anything in op-i386.c that would |
| | 57 | require a frame pointer, like alloca, would probably loose. */ |
| | 58 | #define AREG0 "$15" |
| | 59 | #elif defined(__mc68000) |
| | 60 | #define AREG0 "%a5" |
| | 61 | #elif defined(__ia64__) |
| | 62 | #define AREG0 "r7" |
| | 63 | #else |
| | 64 | #error unsupported CPU |
| | 65 | #endif |
| | 66 | |
| | 67 | #define xglue(x, y) x ## y |
| | 68 | #define glue(x, y) xglue(x, y) |
| | 69 | #define stringify(s) tostring(s) |
| | 70 | #define tostring(s) #s |
| | 71 | |
| | 72 | /* The return address may point to the start of the next instruction. |
| | 73 | Subtracting one gets us the call instruction itself. */ |
| | 74 | #if defined(__s390__) && !defined(__s390x__) |
| | 75 | # define GETPC() ((void*)(((unsigned long)__builtin_return_address(0) & 0x7fffffffUL) - 1)) |
| | 76 | #elif defined(__arm__) |
| | 77 | /* Thumb return addresses have the low bit set, so we need to subtract two. |
| | 78 | This is still safe in ARM mode because instructions are 4 bytes. */ |
| | 79 | # define GETPC() ((void *)((unsigned long)__builtin_return_address(0) - 2)) |
| | 80 | #else |
| | 81 | # define GETPC() ((void *)((unsigned long)__builtin_return_address(0) - 1)) |
| | 82 | #endif |
| | 83 | |
| | 84 | #endif /* !defined(__DYNGEN_EXEC_H__) */ |
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