include/exec/helper-head.h

   1 /*
   2  * Helper file for declaring TCG helper functions.
   3  * Used by other helper files.
   4  */
   5
   6 #ifndef EXEC_HELPER_HEAD_H
   7 #define EXEC_HELPER_HEAD_H
   8
   9 #include "fpu/softfloat-types.h"
  10
  11 #define HELPER(name) glue(helper_, name)
  12
  13 /* Some types that make sense in C, but not for TCG.  */
  14 #define dh_alias_i32 i32
  15 #define dh_alias_s32 i32
  16 #define dh_alias_int i32
  17 #define dh_alias_i64 i64
  18 #define dh_alias_s64 i64
  19 #define dh_alias_i128 i128
  20 #define dh_alias_f16 i32
  21 #define dh_alias_f32 i32
  22 #define dh_alias_f64 i64
  23 #define dh_alias_ptr ptr
  24 #define dh_alias_cptr ptr
  25 #define dh_alias_env ptr
  26 #define dh_alias_void void
  27 #define dh_alias_noreturn noreturn
  28 #define dh_alias(t) glue(dh_alias_, t)
  29
  30 #define dh_ctype_i32 uint32_t
  31 #define dh_ctype_s32 int32_t
  32 #define dh_ctype_int int
  33 #define dh_ctype_i64 uint64_t
  34 #define dh_ctype_s64 int64_t
  35 #define dh_ctype_i128 Int128
  36 #define dh_ctype_f16 uint32_t
  37 #define dh_ctype_f32 float32
  38 #define dh_ctype_f64 float64
  39 #define dh_ctype_ptr void *
  40 #define dh_ctype_cptr const void *
  41 #define dh_ctype_env CPUArchState *
  42 #define dh_ctype_void void
  43 #define dh_ctype_noreturn G_NORETURN void
  44 #define dh_ctype(t) dh_ctype_##t
  45
  46 #ifdef NEED_CPU_H
  47 # ifdef TARGET_LONG_BITS
  48 #  if TARGET_LONG_BITS == 32
  49 #   define dh_alias_tl i32
  50 #   define dh_typecode_tl dh_typecode_i32
  51 #  else
  52 #   define dh_alias_tl i64
  53 #   define dh_typecode_tl dh_typecode_i64
  54 #  endif
  55 # endif
  56 # define dh_ctype_tl target_ulong
  57 #endif
  58
  59 /* We can't use glue() here because it falls foul of C preprocessor
  60    recursive expansion rules.  */
  61 #define dh_retvar_decl0_void void
  62 #define dh_retvar_decl0_noreturn void
  63 #define dh_retvar_decl0_i32 TCGv_i32 retval
  64 #define dh_retvar_decl0_i64 TCGv_i64 retval
  65 #define dh_retval_decl0_i128 TCGv_i128 retval
  66 #define dh_retvar_decl0_ptr TCGv_ptr retval
  67 #define dh_retvar_decl0(t) glue(dh_retvar_decl0_, dh_alias(t))
  68
  69 #define dh_retvar_decl_void
  70 #define dh_retvar_decl_noreturn
  71 #define dh_retvar_decl_i32 TCGv_i32 retval,
  72 #define dh_retvar_decl_i64 TCGv_i64 retval,
  73 #define dh_retvar_decl_i128 TCGv_i128 retval,
  74 #define dh_retvar_decl_ptr TCGv_ptr retval,
  75 #define dh_retvar_decl(t) glue(dh_retvar_decl_, dh_alias(t))
  76
  77 #define dh_retvar_void NULL
  78 #define dh_retvar_noreturn NULL
  79 #define dh_retvar_i32 tcgv_i32_temp(retval)
  80 #define dh_retvar_i64 tcgv_i64_temp(retval)
  81 #define dh_retvar_i128 tcgv_i128_temp(retval)
  82 #define dh_retvar_ptr tcgv_ptr_temp(retval)
  83 #define dh_retvar(t) glue(dh_retvar_, dh_alias(t))
  84
  85 #define dh_typecode_void 0
  86 #define dh_typecode_noreturn 0
  87 #define dh_typecode_i32 2
  88 #define dh_typecode_s32 3
  89 #define dh_typecode_i64 4
  90 #define dh_typecode_s64 5
  91 #define dh_typecode_ptr 6
  92 #define dh_typecode_i128 7
  93 #define dh_typecode_int dh_typecode_s32
  94 #define dh_typecode_f16 dh_typecode_i32
  95 #define dh_typecode_f32 dh_typecode_i32
  96 #define dh_typecode_f64 dh_typecode_i64
  97 #define dh_typecode_cptr dh_typecode_ptr
  98 #define dh_typecode_env dh_typecode_ptr
  99 #define dh_typecode(t) dh_typecode_##t
 100
 101 #define dh_callflag_i32  0
 102 #define dh_callflag_i64  0
 103 #define dh_callflag_i128 0
 104 #define dh_callflag_ptr  0
 105 #define dh_callflag_void 0
 106 #define dh_callflag_noreturn TCG_CALL_NO_RETURN
 107 #define dh_callflag(t) glue(dh_callflag_, dh_alias(t))
 108
 109 #define dh_typemask(t, n)  (dh_typecode(t) << (n * 3))
 110
 111 #define dh_arg(t, n) \
 112   glue(glue(tcgv_, dh_alias(t)), _temp)(glue(arg, n))
 113
 114 #define dh_arg_decl(t, n) glue(TCGv_, dh_alias(t)) glue(arg, n)
 115
 116 #define DEF_HELPER_0(name, ret) \
 117     DEF_HELPER_FLAGS_0(name, 0, ret)
 118 #define DEF_HELPER_1(name, ret, t1) \
 119     DEF_HELPER_FLAGS_1(name, 0, ret, t1)
 120 #define DEF_HELPER_2(name, ret, t1, t2) \
 121     DEF_HELPER_FLAGS_2(name, 0, ret, t1, t2)
 122 #define DEF_HELPER_3(name, ret, t1, t2, t3) \
 123     DEF_HELPER_FLAGS_3(name, 0, ret, t1, t2, t3)
 124 #define DEF_HELPER_4(name, ret, t1, t2, t3, t4) \
 125     DEF_HELPER_FLAGS_4(name, 0, ret, t1, t2, t3, t4)
 126 #define DEF_HELPER_5(name, ret, t1, t2, t3, t4, t5) \
 127     DEF_HELPER_FLAGS_5(name, 0, ret, t1, t2, t3, t4, t5)
 128 #define DEF_HELPER_6(name, ret, t1, t2, t3, t4, t5, t6) \
 129     DEF_HELPER_FLAGS_6(name, 0, ret, t1, t2, t3, t4, t5, t6)
 130 #define DEF_HELPER_7(name, ret, t1, t2, t3, t4, t5, t6, t7) \
 131     DEF_HELPER_FLAGS_7(name, 0, ret, t1, t2, t3, t4, t5, t6, t7)
 132
 133 /* MAX_CALL_IARGS must be set to n if last entry is DEF_HELPER_FLAGS_n. */
 134
 135 #endif /* EXEC_HELPER_HEAD_H */