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 /* prevent Solaris from trying to typedef FILE in gcc's 23 include/floatingpoint.h which will conflict with the 24 definition down below */ 25 #ifdef __sun__ 26 #define _FILEDEFED 27 #endif 28 29 /* NOTE: standard headers should be used with special care at this 30 point because host CPU registers are used as global variables. Some 31 host headers do not allow that. */ 32 #include <stddef.h> 33 #include <stdint.h> 34 35 #ifdef __OpenBSD__ 36 #include <sys/types.h> 37 #endif 38 39 /* XXX: This may be wrong for 64-bit ILP32 hosts. */ 40 typedef void * host_reg_t; 41 42 #ifdef CONFIG_BSD 43 typedef struct __sFILE FILE; 44 #else 45 typedef struct FILE FILE; 46 #endif 47 extern int fprintf(FILE *, const char *, ...); 48 extern int fputs(const char *, FILE *); 49 extern int printf(const char *, ...); 50 51 #if defined(__i386__) 52 #define AREG0 "ebp" 53 #define AREG1 "ebx" 54 #define AREG2 "esi" 55 #elif defined(__x86_64__) 56 #define AREG0 "r14" 57 #define AREG1 "r15" 58 #define AREG2 "r12" 59 #elif defined(_ARCH_PPC) 60 #define AREG0 "r27" 61 #define AREG1 "r24" 62 #define AREG2 "r25" 63 #elif defined(__arm__) 64 #define AREG0 "r7" 65 #define AREG1 "r4" 66 #define AREG2 "r5" 67 #elif defined(__hppa__) 68 #define AREG0 "r17" 69 #define AREG1 "r14" 70 #define AREG2 "r15" 71 #elif defined(__mips__) 72 #define AREG0 "fp" 73 #define AREG1 "s0" 74 #define AREG2 "s1" 75 #elif defined(__sparc__) 76 #ifdef CONFIG_SOLARIS 77 #define AREG0 "g2" 78 #define AREG1 "g3" 79 #define AREG2 "g4" 80 #else 81 #ifdef __sparc_v9__ 82 #define AREG0 "g5" 83 #define AREG1 "g6" 84 #define AREG2 "g7" 85 #else 86 #define AREG0 "g6" 87 #define AREG1 "g1" 88 #define AREG2 "g2" 89 #endif 90 #endif 91 #elif defined(__s390__) 92 #define AREG0 "r10" 93 #define AREG1 "r7" 94 #define AREG2 "r8" 95 #elif defined(__alpha__) 96 /* Note $15 is the frame pointer, so anything in op-i386.c that would 97 require a frame pointer, like alloca, would probably loose. */ 98 #define AREG0 "$15" 99 #define AREG1 "$9" 100 #define AREG2 "$10" 101 #elif defined(__mc68000) 102 #define AREG0 "%a5" 103 #define AREG1 "%a4" 104 #define AREG2 "%d7" 105 #elif defined(__ia64__) 106 #define AREG0 "r7" 107 #define AREG1 "r4" 108 #define AREG2 "r5" 109 #else 110 #error unsupported CPU 111 #endif 112 113 #define xglue(x, y) x ## y 114 #define glue(x, y) xglue(x, y) 115 #define stringify(s) tostring(s) 116 #define tostring(s) #s 117 118 /* The return address may point to the start of the next instruction. 119 Subtracting one gets us the call instruction itself. */ 120 #if defined(__s390__) && !defined(__s390x__) 121 # define GETPC() ((void*)(((unsigned long)__builtin_return_address(0) & 0x7fffffffUL) - 1)) 122 #elif defined(__arm__) 123 /* Thumb return addresses have the low bit set, so we need to subtract two. 124 This is still safe in ARM mode because instructions are 4 bytes. */ 125 # define GETPC() ((void *)((unsigned long)__builtin_return_address(0) - 2)) 126 #else 127 # define GETPC() ((void *)((unsigned long)__builtin_return_address(0) - 1)) 128 #endif 129 130 #endif /* !defined(__DYNGEN_EXEC_H__) */ 131
