Annotation of qemu/dyngen-exec.h, revision 1.1.1.11

1.1       root        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
1.1.1.7   root       17:  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
1.1       root       18:  */
                     19: #if !defined(__DYNGEN_EXEC_H__)
                     20: #define __DYNGEN_EXEC_H__
                     21: 
1.1.1.11! root       22: #include "qemu-common.h"
1.1       root       23: 
1.1.1.6   root       24: #ifdef __OpenBSD__
                     25: #include <sys/types.h>
                     26: #endif
1.1       root       27: 
1.1.1.4   root       28: /* XXX: This may be wrong for 64-bit ILP32 hosts.  */
                     29: typedef void * host_reg_t;
                     30: 
1.1.1.5   root       31: #if defined(__i386__)
1.1       root       32: #define AREG0 "ebp"
1.1.1.5   root       33: #elif defined(__x86_64__)
                     34: #define AREG0 "r14"
1.1.1.6   root       35: #elif defined(_ARCH_PPC)
1.1       root       36: #define AREG0 "r27"
1.1.1.5   root       37: #elif defined(__arm__)
1.1       root       38: #define AREG0 "r7"
1.1.1.6   root       39: #elif defined(__hppa__)
                     40: #define AREG0 "r17"
1.1.1.5   root       41: #elif defined(__mips__)
1.1.1.9   root       42: #define AREG0 "s0"
1.1.1.5   root       43: #elif defined(__sparc__)
1.1.1.8   root       44: #ifdef CONFIG_SOLARIS
1.1.1.3   root       45: #define AREG0 "g2"
                     46: #else
                     47: #ifdef __sparc_v9__
1.1.1.6   root       48: #define AREG0 "g5"
1.1.1.3   root       49: #else
1.1       root       50: #define AREG0 "g6"
1.1.1.3   root       51: #endif
                     52: #endif
1.1.1.5   root       53: #elif defined(__s390__)
1.1       root       54: #define AREG0 "r10"
1.1.1.5   root       55: #elif defined(__alpha__)
1.1       root       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"
1.1.1.5   root       59: #elif defined(__mc68000)
1.1       root       60: #define AREG0 "%a5"
1.1.1.5   root       61: #elif defined(__ia64__)
1.1       root       62: #define AREG0 "r7"
1.1.1.5   root       63: #else
                     64: #error unsupported CPU
1.1       root       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: 
1.1.1.6   root       72: /* The return address may point to the start of the next instruction.
                     73:    Subtracting one gets us the call instruction itself.  */
1.1.1.8   root       74: #if defined(__s390__) && !defined(__s390x__)
1.1.1.6   root       75: # define GETPC() ((void*)(((unsigned long)__builtin_return_address(0) & 0x7fffffffUL) - 1))
1.1.1.5   root       76: #elif defined(__arm__)
1.1.1.6   root       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))
1.1.1.5   root       80: #else
1.1.1.6   root       81: # define GETPC() ((void *)((unsigned long)__builtin_return_address(0) - 1))
1.1       root       82: #endif
                     83: 
                     84: #endif /* !defined(__DYNGEN_EXEC_H__) */

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