*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA
*/
#if !defined(__DYNGEN_EXEC_H__)
#define __DYNGEN_EXEC_H__
-#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;
+/* prevent Solaris from trying to typedef FILE in gcc's
+ include/floatingpoint.h which will conflict with the
+ definition down below */
+#ifdef __sun__
+#define _FILEDEFED
#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;
+/* 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>
+#include <stdint.h>
+
+#ifdef __OpenBSD__
+#include <sys/types.h>
#endif
-#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))
+/* XXX: This may be wrong for 64-bit ILP32 hosts. */
+typedef void * host_reg_t;
+#ifdef HOST_BSD
+typedef struct __sFILE FILE;
+#else
typedef struct FILE FILE;
+#endif
extern int fprintf(FILE *, const char *, ...);
+extern int fputs(const char *, FILE *);
extern int printf(const char *, ...);
#undef NULL
#define NULL 0
-#include <fenv.h>
-#ifdef __i386__
+#if defined(__i386__)
#define AREG0 "ebp"
#define AREG1 "ebx"
#define AREG2 "esi"
-#define AREG3 "edi"
-#endif
-#ifdef __x86_64__
-#define AREG0 "rbp"
-#define AREG1 "rbx"
+#elif defined(__x86_64__)
+#define AREG0 "r14"
+#define AREG1 "r15"
#define AREG2 "r12"
-#define AREG3 "r13"
-#define AREG4 "r14"
-#define AREG5 "r15"
-#endif
-#ifdef __powerpc__
+#elif defined(_ARCH_PPC)
#define AREG0 "r27"
#define AREG1 "r24"
#define AREG2 "r25"
-#define AREG3 "r26"
-/* XXX: suppress this hack */
-#if defined(CONFIG_USER_ONLY)
-#define AREG4 "r16"
-#define AREG5 "r17"
-#define AREG6 "r18"
-#define AREG7 "r19"
-#define AREG8 "r20"
-#define AREG9 "r21"
-#define AREG10 "r22"
-#define AREG11 "r23"
-#endif
-#define USE_INT_TO_FLOAT_HELPERS
-#define BUGGY_GCC_DIV64
-#endif
-#ifdef __arm__
+#elif defined(__arm__)
#define AREG0 "r7"
#define AREG1 "r4"
#define AREG2 "r5"
-#define AREG3 "r6"
-#endif
-#ifdef __mips__
-#define AREG0 "s3"
+#elif defined(__hppa__)
+#define AREG0 "r17"
+#define AREG1 "r14"
+#define AREG2 "r15"
+#elif defined(__mips__)
+#define AREG0 "fp"
#define AREG1 "s0"
#define AREG2 "s1"
-#define AREG3 "s2"
-#endif
-#ifdef __sparc__
+#elif defined(__sparc__)
+#ifdef HOST_SOLARIS
+#define AREG0 "g2"
+#define AREG1 "g3"
+#define AREG2 "g4"
+#else
+#ifdef __sparc_v9__
+#define AREG0 "g5"
+#define AREG1 "g6"
+#define AREG2 "g7"
+#else
#define AREG0 "g6"
#define AREG1 "g1"
#define AREG2 "g2"
-#define AREG3 "g3"
-#define AREG4 "l0"
-#define AREG5 "l1"
-#define AREG6 "l2"
-#define AREG7 "l3"
-#define AREG8 "l4"
-#define AREG9 "l5"
-#define AREG10 "l6"
-#define AREG11 "l7"
-#define USE_FP_CONVERT
#endif
-#ifdef __s390__
+#endif
+#elif defined(__s390__)
#define AREG0 "r10"
#define AREG1 "r7"
#define AREG2 "r8"
-#define AREG3 "r9"
-#endif
-#ifdef __alpha__
+#elif defined(__alpha__)
/* Note $15 is the frame pointer, so anything in op-i386.c that would
require a frame pointer, like alloca, would probably loose. */
#define AREG0 "$15"
#define AREG1 "$9"
#define AREG2 "$10"
-#define AREG3 "$11"
-#define AREG4 "$12"
-#define AREG5 "$13"
-#define AREG6 "$14"
-#endif
-#ifdef __mc68000
+#elif defined(__mc68000)
#define AREG0 "%a5"
#define AREG1 "%a4"
#define AREG2 "%d7"
-#define AREG3 "%d6"
-#define AREG4 "%d5"
-#endif
-#ifdef __ia64__
-#define AREG0 "r27"
-#define AREG1 "r24"
-#define AREG2 "r25"
-#define AREG3 "r26"
-#endif
-
-/* force GCC to generate only one epilog at the end of the function */
-#define FORCE_RET() asm volatile ("");
-
-#ifndef OPPROTO
-#define OPPROTO
+#elif defined(__ia64__)
+#define AREG0 "r7"
+#define AREG1 "r4"
+#define AREG2 "r5"
+#else
+#error unsupported CPU
#endif
#define xglue(x, y) x ## y
#define stringify(s) tostring(s)
#define tostring(s) #s
-#ifdef __alpha__
-/* the symbols are considered non exported so a br immediate is generated */
-#define __hidden __attribute__((visibility("hidden")))
-#else
-#define __hidden
-#endif
-
-#ifdef __alpha__
-/* Suggested by Richard Henderson. This will result in code like
- ldah $0,__op_param1($29) !gprelhigh
- lda $0,__op_param1($0) !gprellow
- We can then conveniently change $29 to $31 and adapt the offsets to
- emit the appropriate constant. */
-extern int __op_param1 __hidden;
-extern int __op_param2 __hidden;
-extern int __op_param3 __hidden;
-#define PARAM1 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param1)); _r; })
-#define PARAM2 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param2)); _r; })
-#define PARAM3 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param3)); _r; })
+/* The return address may point to the start of the next instruction.
+ Subtracting one gets us the call instruction itself. */
+#if defined(__s390__)
+# define GETPC() ((void*)(((unsigned long)__builtin_return_address(0) & 0x7fffffffUL) - 1))
+#elif defined(__arm__)
+/* Thumb return addresses have the low bit set, so we need to subtract two.
+ This is still safe in ARM mode because instructions are 4 bytes. */
+# define GETPC() ((void *)((unsigned long)__builtin_return_address(0) - 2))
#else
-extern int __op_param1, __op_param2, __op_param3;
-#define PARAM1 ((long)(&__op_param1))
-#define PARAM2 ((long)(&__op_param2))
-#define PARAM3 ((long)(&__op_param3))
-#endif
-
-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
-#ifdef __s390__
-#define EXIT_TB() asm volatile ("br %r14")
-#endif
-#ifdef __alpha__
-#define EXIT_TB() asm volatile ("ret")
-#endif
-#ifdef __ia64__
-#define EXIT_TB() asm volatile ("br.ret.sptk.many b0;;")
-#endif
-#ifdef __sparc__
-#define EXIT_TB() asm volatile ("jmpl %i0 + 8, %g0\n" \
- "nop")
-#endif
-#ifdef __arm__
-#define EXIT_TB() asm volatile ("b exec_loop")
-#endif
-#ifdef __mc68000
-#define EXIT_TB() asm volatile ("rts")
+# define GETPC() ((void *)((unsigned long)__builtin_return_address(0) - 1))
#endif
#endif /* !defined(__DYNGEN_EXEC_H__) */
projects / qemu / blobdiff