* 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__
+
+/* 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
+
+/* 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>
+
+#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__)) && !(defined(__APPLE__) && defined(__x86_64__))
+/* XXX may be done for all 64 bits targets ? */
+#if defined (__x86_64__) || defined(__ia64) || defined(__s390x__) || defined(__alpha__) || defined(__powerpc64__)
+typedef unsigned long uint64_t;
+#else
typedef unsigned long long uint64_t;
+#endif
+#endif
+/* if Solaris/__sun__, don't typedef int8_t, as it will be typedef'd
+ prior to this and will cause an error in compliation, conflicting
+ with /usr/include/sys/int_types.h, line 75 */
+#ifndef __sun__
typedef signed char int8_t;
+#endif
typedef signed short int16_t;
typedef signed int int32_t;
+// Linux/Sparc64 defines int64_t
+#if !(defined (__sparc_v9__) && defined(__linux__)) && !(defined(__APPLE__) && defined(__x86_64__))
+#if defined (__x86_64__) || defined(__ia64) || defined(__s390x__) || defined(__alpha__) || defined(__powerpc64__)
+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 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))
+#ifdef _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 __powerpc__
+#elif defined(__x86_64__)
+#define AREG0 "r14"
+#define AREG1 "r15"
+#define AREG2 "r12"
+#define AREG3 "r13"
+//#define AREG4 "rbp"
+//#define AREG5 "rbx"
+#elif defined(__powerpc__)
#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 AREG9 "r21"
#define AREG10 "r22"
#define AREG11 "r23"
-#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"
+#define AREG3 "r16"
+#elif defined(__mips__)
+#define AREG0 "fp"
#define AREG1 "s0"
#define AREG2 "s1"
#define AREG3 "s2"
-#endif
-#ifdef __sparc__
+#define AREG4 "s3"
+#define AREG5 "s4"
+#define AREG6 "s5"
+#define AREG7 "s6"
+#define AREG8 "s7"
+#elif defined(__sparc__)
+#ifdef HOST_SOLARIS
+#define AREG0 "g2"
+#define AREG1 "g3"
+#define AREG2 "g4"
+#define AREG3 "g5"
+#define AREG4 "g6"
+#else
+#ifdef __sparc_v9__
+#define AREG0 "g5"
+#define AREG1 "g6"
+#define AREG2 "g7"
+#else
#define AREG0 "g6"
#define AREG1 "g1"
#define AREG2 "g2"
#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 AREG4 "$12"
#define AREG5 "$13"
#define AREG6 "$14"
-#endif
-#ifdef __ia64__
-#define AREG0 "r27"
-#define AREG1 "r24"
-#define AREG2 "r25"
-#define AREG3 "r26"
+#elif defined(__mc68000)
+#define AREG0 "%a5"
+#define AREG1 "%a4"
+#define AREG2 "%d7"
+#define AREG3 "%d6"
+#define AREG4 "%d5"
+#elif defined(__ia64__)
+#define AREG0 "r7"
+#define AREG1 "r4"
+#define AREG2 "r5"
+#define AREG3 "r6"
+#else
+#error unsupported CPU
#endif
/* force GCC to generate only one epilog at the end of the function */
-#define FORCE_RET() asm volatile ("");
+#define FORCE_RET() __asm__ __volatile__("" : : : "memory");
#ifndef OPPROTO
#define OPPROTO
#define xglue(x, y) x ## y
#define glue(x, y) xglue(x, y)
+#define stringify(s) tostring(s)
+#define tostring(s) #s
-#ifdef __alpha__
+#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
+#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
#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")
+#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")
+#elif defined(__hppa__)
+#define GOTO_LABEL_PARAM(n) asm volatile ("b,n " ASM_NAME(__op_gen_label) #n)
+#else
+#error unsupported CPU
+#endif
+
+/* 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
+# define GETPC() ((void *)((unsigned long)__builtin_return_address(0) - 1))
#endif
-extern int __op_jmp0, __op_jmp1;
+#endif /* !defined(__DYNGEN_EXEC_H__) */
projects / qemu.git / blobdiff