APIC support

[qemu] / dyngen-exec.h

diff --git a/dyngen-exec.h b/dyngen-exec.h
index ec32fbc..86087ca 100644 (file)
--- a/dyngen-exec.h
+++ b/dyngen-exec.h
@@ -17,31 +17,62 @@
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
+#if !defined(__DYNGEN_EXEC_H__)
+#define __DYNGEN_EXEC_H__
+
+/* NOTE: standard headers should be used with special care at this
+   point because host CPU registers are used as global variables. Some
+   host headers do not allow that. */
+#include <stddef.h>
+
 typedef unsigned char uint8_t;
 typedef unsigned short uint16_t;
 typedef unsigned int uint32_t;
+/* XXX may be done for all 64 bits targets ? */
+#if defined (__x86_64__)
+typedef unsigned long uint64_t;
+#else
 typedef unsigned long long uint64_t;
+#endif
 
 typedef signed char int8_t;
 typedef signed short int16_t;
 typedef signed int int32_t;
+#if defined (__x86_64__)
+typedef signed long int64_t;
+#else
 typedef signed long long int64_t;
+#endif
 
-#define bswap32(x) \
-({ \
-       uint32_t __x = (x); \
-       ((uint32_t)( \
-               (((uint32_t)(__x) & (uint32_t)0x000000ffUL) << 24) | \
-               (((uint32_t)(__x) & (uint32_t)0x0000ff00UL) <<  8) | \
-               (((uint32_t)(__x) & (uint32_t)0x00ff0000UL) >>  8) | \
-               (((uint32_t)(__x) & (uint32_t)0xff000000UL) >> 24) )); \
-})
+#define INT8_MIN               (-128)
+#define INT16_MIN              (-32767-1)
+#define INT32_MIN              (-2147483647-1)
+#define INT64_MIN              (-(int64_t)(9223372036854775807)-1)
+#define INT8_MAX               (127)
+#define INT16_MAX              (32767)
+#define INT32_MAX              (2147483647)
+#define INT64_MAX              ((int64_t)(9223372036854775807))
+#define UINT8_MAX              (255)
+#define UINT16_MAX             (65535)
+#define UINT32_MAX             (4294967295U)
+#define UINT64_MAX             ((uint64_t)(18446744073709551615))
 
 typedef struct FILE FILE;
 extern int fprintf(FILE *, const char *, ...);
 extern int printf(const char *, ...);
+#undef NULL
 #define NULL 0
+#if defined(_BSD) && !defined(__APPLE__)
+#include <ieeefp.h>
+
+#define FE_TONEAREST   FP_RN
+#define FE_DOWNWARD    FP_RM
+#define FE_UPWARD      FP_RP
+#define FE_TOWARDZERO  FP_RZ
+#define fesetround(x)  fpsetround(x)
+#else
 #include <fenv.h>
+#endif
 
 #ifdef __i386__
 #define AREG0 "ebp"
@@ -49,6 +80,14 @@ extern int printf(const char *, ...);
 #define AREG2 "esi"
 #define AREG3 "edi"
 #endif
+#ifdef __x86_64__
+#define AREG0 "rbp"
+#define AREG1 "rbx"
+#define AREG2 "r12"
+#define AREG3 "r13"
+#define AREG4 "r14"
+#define AREG5 "r15"
+#endif
 #ifdef __powerpc__
 #define AREG0 "r27"
 #define AREG1 "r24"
@@ -145,7 +184,7 @@ extern int printf(const char *, ...);
 #define __hidden 
 #endif
 
-#ifdef __alpha__
+#if defined(__alpha__)
 /* Suggested by Richard Henderson. This will result in code like
         ldah $0,__op_param1($29)        !gprelhigh
         lda $0,__op_param1($0)          !gprellow
@@ -158,17 +197,24 @@ extern int __op_param3 __hidden;
 #define PARAM2 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param2)); _r; })
 #define PARAM3 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param3)); _r; })
 #else
+#if defined(__APPLE__)
+static int __op_param1, __op_param2, __op_param3;
+#else
 extern int __op_param1, __op_param2, __op_param3;
+#endif
 #define PARAM1 ((long)(&__op_param1))
 #define PARAM2 ((long)(&__op_param2))
 #define PARAM3 ((long)(&__op_param3))
-#endif
+#endif /* !defined(__alpha__) */
 
 extern int __op_jmp0, __op_jmp1, __op_jmp2, __op_jmp3;
 
 #ifdef __i386__
 #define EXIT_TB() asm volatile ("ret")
 #endif
+#ifdef __x86_64__
+#define EXIT_TB() asm volatile ("ret")
+#endif
 #ifdef __powerpc__
 #define EXIT_TB() asm volatile ("blr")
 #endif
@@ -191,3 +237,5 @@ extern int __op_jmp0, __op_jmp1, __op_jmp2, __op_jmp3;
 #ifdef __mc68000
 #define EXIT_TB() asm volatile ("rts")
 #endif
+
+#endif /* !defined(__DYNGEN_EXEC_H__) */