*
* 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__
host headers do not allow that. */
#include <stddef.h>
+#ifdef __OpenBSD__
+#include <sys/types.h>
+#else
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned int uint32_t;
// Linux/Sparc64 defines uint64_t
-#if !(defined (__sparc_v9__) && defined(__linux__))
+#if !(defined (__sparc_v9__) && defined(__linux__)) && !(defined(__APPLE__) && defined(__x86_64__))
/* XXX may be done for all 64 bits targets ? */
-#if defined (__x86_64__) || defined(__ia64) || defined(__s390x__)
+#if defined (__x86_64__) || defined(__ia64) || defined(__s390x__) || defined(__alpha__) || defined(_ARCH_PPC64)
typedef unsigned long uint64_t;
#else
typedef unsigned long long uint64_t;
typedef signed short int16_t;
typedef signed int int32_t;
// Linux/Sparc64 defines int64_t
-#if !(defined (__sparc_v9__) && defined(__linux__))
-#if defined (__x86_64__) || defined(__ia64) || defined(__s390x__)
+#if !(defined (__sparc_v9__) && defined(__linux__)) && !(defined(__APPLE__) && defined(__x86_64__))
+#if defined (__x86_64__) || defined(__ia64) || defined(__s390x__) || defined(__alpha__) || defined(_ARCH_PPC64)
typedef signed long int64_t;
#else
typedef signed long long int64_t;
#endif
#endif
+#endif
/* XXX: This may be wrong for 64-bit ILP32 hosts. */
typedef void * host_reg_t;
#define AREG3 "r13"
//#define AREG4 "rbp"
//#define AREG5 "rbx"
-#elif defined(__powerpc__)
+#elif defined(_ARCH_PPC)
#define AREG0 "r27"
#define AREG1 "r24"
#define AREG2 "r25"
#define AREG10 "r22"
#define AREG11 "r23"
#endif
-#define USE_INT_TO_FLOAT_HELPERS
-#define BUGGY_GCC_DIV64
#elif defined(__arm__)
#define AREG0 "r7"
#define AREG1 "r4"
#define AREG2 "r5"
#define AREG3 "r6"
+#elif defined(__hppa__)
+#define AREG0 "r17"
+#define AREG1 "r14"
+#define AREG2 "r15"
+#define AREG3 "r16"
#elif defined(__mips__)
#define AREG0 "fp"
#define AREG1 "s0"
#define AREG4 "g6"
#else
#ifdef __sparc_v9__
-#define AREG0 "g1"
-#define AREG1 "g4"
-#define AREG2 "g5"
-#define AREG3 "g7"
+#define AREG0 "g5"
+#define AREG1 "g6"
+#define AREG2 "g7"
#else
#define AREG0 "g6"
#define AREG1 "g1"
#define AREG11 "l7"
#endif
#endif
-#define USE_FP_CONVERT
#elif defined(__s390__)
#define AREG0 "r10"
#define AREG1 "r7"
#error unsupported CPU
#endif
-/* force GCC to generate only one epilog at the end of the function */
-#define FORCE_RET() __asm__ __volatile__("" : : : "memory");
-
-#ifndef OPPROTO
-#define OPPROTO
-#endif
-
#define xglue(x, y) x ## y
#define glue(x, y) xglue(x, y)
#define stringify(s) tostring(s)
#define tostring(s) #s
-#if defined(__alpha__) || defined(__s390__)
-/* the symbols are considered non exported so a br immediate is generated */
-#define __hidden __attribute__((visibility("hidden")))
-#else
-#define __hidden
-#endif
-
-#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
- 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; })
-#elif defined(__s390__)
-extern int __op_param1 __hidden;
-extern int __op_param2 __hidden;
-extern int __op_param3 __hidden;
-#define PARAM1 ({ int _r; asm("bras %0,8; .long " ASM_NAME(__op_param1) "; l %0,0(%0)" : "=r"(_r) : ); _r; })
-#define PARAM2 ({ int _r; asm("bras %0,8; .long " ASM_NAME(__op_param2) "; l %0,0(%0)" : "=r"(_r) : ); _r; })
-#define PARAM3 ({ int _r; asm("bras %0,8; .long " ASM_NAME(__op_param3) "; l %0,0(%0)" : "=r"(_r) : ); _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 /* !defined(__alpha__) */
-
-extern int __op_jmp0, __op_jmp1, __op_jmp2, __op_jmp3;
-
-#if defined(_WIN32) || defined(__APPLE__)
-#define ASM_NAME(x) "_" #x
-#else
-#define ASM_NAME(x) #x
-#endif
-
-#if defined(__i386__)
-#define EXIT_TB() asm volatile ("ret")
-#define GOTO_LABEL_PARAM(n) asm volatile ("jmp " ASM_NAME(__op_gen_label) #n)
-#elif defined(__x86_64__)
-#define EXIT_TB() asm volatile ("ret")
-#define GOTO_LABEL_PARAM(n) asm volatile ("jmp " ASM_NAME(__op_gen_label) #n)
-#elif defined(__powerpc__)
-#define EXIT_TB() asm volatile ("blr")
-#define GOTO_LABEL_PARAM(n) asm volatile ("b " ASM_NAME(__op_gen_label) #n)
-#elif defined(__s390__)
-#define EXIT_TB() asm volatile ("br %r14")
-#define GOTO_LABEL_PARAM(n) asm volatile ("larl %r7,12; l %r7,0(%r7); br %r7; .long " ASM_NAME(__op_gen_label) #n)
-#elif defined(__alpha__)
-#define EXIT_TB() asm volatile ("ret")
-#elif defined(__ia64__)
-#define EXIT_TB() asm volatile ("br.ret.sptk.many b0;;")
-#define GOTO_LABEL_PARAM(n) asm volatile ("br.sptk.many " \
- ASM_NAME(__op_gen_label) #n)
-#elif defined(__sparc__)
-#define EXIT_TB() asm volatile ("jmpl %i0 + 8, %g0; nop")
-#define GOTO_LABEL_PARAM(n) asm volatile ("ba " ASM_NAME(__op_gen_label) #n ";nop")
+/* 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__)
-#define EXIT_TB() asm volatile ("b exec_loop")
-#define GOTO_LABEL_PARAM(n) asm volatile ("b " ASM_NAME(__op_gen_label) #n)
-#elif defined(__mc68000)
-#define EXIT_TB() asm volatile ("rts")
-#elif defined(__mips__)
-#define EXIT_TB() asm volatile ("jr $ra")
-#define GOTO_LABEL_PARAM(n) asm volatile (".set noat; la $1, " ASM_NAME(__op_gen_label) #n "; jr $1; .set at")
+/* 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
-#error unsupported CPU
+# define GETPC() ((void *)((unsigned long)__builtin_return_address(0) - 1))
#endif
#endif /* !defined(__DYNGEN_EXEC_H__) */
projects / qemu.git / blobdiff