mono/mini/mini-s390.h

   1 #ifndef __MONO_MINI_S390_H__
   2 #define __MONO_MINI_S390_H__
   3
   4 #include <mono/arch/s390/s390-codegen.h>
   5 #include <signal.h>
   6
   7 #define MONO_MAX_IREGS 16
   8 #define MONO_MAX_FREGS 16
   9
  10 #define MONO_ARCH_FRAME_ALIGNMENT 8
  11
  12 #define MONO_EMIT_NEW_MOVE(cfg,dest,offset,src,imm,size) do {                   \
  13                 MonoInst *inst;                                                 \
  14                 int tmpr = 0;                                                   \
  15                 int sReg, dReg;                                                 \
  16                                                                                 \
  17                 inst = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \
  18                 if (size > 256) {                                               \
  19                         tmpr = mono_regstate_next_int (cfg->rs);                \
  20                         MONO_EMIT_NEW_ICONST(cfg,tmpr,size);                    \
  21                         inst->dreg        = dest;                               \
  22                         inst->inst_offset = offset;                             \
  23                         inst->sreg1       = src;                                \
  24                         inst->inst_imm    = imm;                                \
  25                         inst->sreg2       = tmpr;                               \
  26                 } else {                                                        \
  27                         if (s390_is_uimm12(offset)) {                           \
  28                                 inst->dreg        = dest;                       \
  29                                 inst->inst_offset = offset;                     \
  30                         } else {                                                \
  31                                 dReg = mono_regstate_next_int (cfg->rs);        \
  32                                 MONO_EMIT_NEW_BIALU_IMM(cfg, OP_ADD_IMM,        \
  33                                         dReg, dest, offset);                    \
  34                                 inst->dreg        = dReg;                       \
  35                                 inst->inst_offset = 0;                          \
  36                         }                                                       \
  37                         if (s390_is_uimm12(imm)) {                              \
  38                                 inst->sreg1       = src;                        \
  39                                 inst->inst_imm    = imm;                        \
  40                         } else {                                                \
  41                                 sReg = mono_regstate_next_int (cfg->rs);        \
  42                                 MONO_EMIT_NEW_BIALU_IMM(cfg, OP_ADD_IMM,        \
  43                                         sReg, src, imm);                        \
  44                                 inst->sreg1       = sReg;                       \
  45                                 inst->inst_imm    = 0;                          \
  46                         }                                                       \
  47                 }                                                               \
  48                 inst->opcode      = OP_S390_MOVE;                               \
  49                 inst->unused      = size;                                       \
  50                 mono_bblock_add_inst (cfg->cbb, inst);                          \
  51         } while (0)
  52
  53 #define MONO_OUTPUT_VTR(cfg, size, dr, sr, so) do {                             \
  54         switch (size) {                                                         \
  55                 case 1:                                                         \
  56                         MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU1_MEMBASE,   \
  57                                 dr, sr, so);                                    \
  58                 break;                                                          \
  59                 case 2:                                                         \
  60                         MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU2_MEMBASE,   \
  61                                 dr, sr, so);                                    \
  62                 break;                                                          \
  63                 case 4:                                                         \
  64                         MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOAD_MEMBASE,     \
  65                                 dr, sr, so);                                    \
  66                 break;                                                          \
  67                 case 8:                                                         \
  68                         MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOAD_MEMBASE,     \
  69                                 dr, sr, so);                                    \
  70                         dr++; so += sizeof(guint32);                            \
  71                         MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOAD_MEMBASE,     \
  72                                 dr, sr, so);                                    \
  73                 break;                                                          \
  74         }                                                                       \
  75 } while (0)
  76
  77 #define MONO_OUTPUT_VTS(cfg, size, dr, dx, sr, so) do {                         \
  78         int tmpr;                                                               \
  79         switch (size) {                                                         \
  80                 case 1:                                                         \
  81                         tmpr = mono_regstate_next_int (cfg->rs);                \
  82                         MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU1_MEMBASE,   \
  83                                 tmpr, sr, so);                                  \
  84                         MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG,  \
  85                                 tmpr, dr, dx);                                  \
  86                 break;                                                          \
  87                 case 2:                                                         \
  88                         tmpr = mono_regstate_next_int (cfg->rs);                \
  89                         MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU2_MEMBASE,   \
  90                                 tmpr, sr, so);                                  \
  91                         MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG,  \
  92                                 tmpr, dr, dx);                                  \
  93                 break;                                                          \
  94                 case 4:                                                         \
  95                 case 8:                                                         \
  96                         MONO_EMIT_NEW_MOVE (cfg, dr, dx, sr, so, size);         \
  97                 break;                                                          \
  98         }                                                                       \
  99 } while (0)
 100
 101 /* fixme: align to 16byte instead of 32byte (we align to 32byte to get
 102  * reproduceable results for benchmarks */
 103 #define MONO_ARCH_CODE_ALIGNMENT 32
 104
 105 struct MonoLMF {
 106         gpointer    previous_lmf;
 107         gpointer    lmf_addr;
 108         MonoMethod *method;
 109         gulong      ebp;
 110         gulong      eip;
 111         gulong      gregs[16];
 112         gdouble     fregs[16];
 113 };
 114
 115 typedef struct ucontext MonoContext;
 116
 117 typedef struct MonoCompileArch {
 118 } MonoCompileArch;
 119
 120 #define MONO_ARCH_EMULATE_FCONV_TO_I8   1
 121 #define MONO_ARCH_EMULATE_LCONV_TO_R8   1
 122 #define MONO_ARCH_EMULATE_LCONV_TO_R4   1
 123 #define MONO_ARCH_EMULATE_LCONV_TO_R8_UN 1
 124 #define MONO_ARCH_EMULATE_LMUL          1
 125 #define MONO_ARCH_HAVE_IS_INT_OVERFLOW  1
 126 #define MONO_ARCH_NEED_DIV_CHECK        1
 127
 128 #define MONO_ARCH_USE_SIGACTION         1
 129
 130 #define S390_STACK_ALIGNMENT             8
 131 #define S390_FIRST_ARG_REG              s390_r2
 132 #define S390_LAST_ARG_REG               s390_r6
 133 #define S390_FIRST_FPARG_REG            s390_f0
 134 #define S390_LAST_FPARG_REG             s390_f2
 135 #define S390_PASS_STRUCTS_BY_VALUE       1
 136 #define S390_SMALL_RET_STRUCT_IN_REG     1
 137
 138 #define S390_NUM_REG_ARGS (S390_LAST_ARG_REG-S390_FIRST_ARG_REG+1)
 139 #define S390_NUM_REG_FPARGS (S390_LAST_FPARG_REG-S390_FIRST_FPARG_REG)
 140
 141 #define S390_OFFSET(b, t)       (guchar *) ((gint32) (b) - (gint32) (t))
 142 #define S390_RELATIVE(b, t)     (guchar *) ((((gint32) (b) - (gint32) (t))) / 2)
 143
 144 #define CODEPTR(c, o) (o) = (short *) ((guint32) c - 2)
 145 #define PTRSLOT(c, o) *(o) = (short) ((guint32) c - (guint32) (o) + 2)/2
 146
 147 #define S390_CC_EQ                      8
 148 #define S390_ALIGN(v, a)        (((a) > 0 ? (((v) + ((a) - 1)) & ~((a) - 1)) : (v)))
 149
 150 /*------------------------------------------------------------------*/
 151 /*                                                                  */
 152 /* Name         - s390_patch                                        */
 153 /*                                                                  */
 154 /* Function     - Patch the code with a given value.                */
 155 /*                                                                  */
 156 /*------------------------------------------------------------------*/
 157
 158 static void inline
 159 s390_patch (guchar *code, gint32 target)
 160 {
 161         gint32 *offset = (gint32 *) code;
 162
 163         if (target != 00) {
 164                 *offset = target;
 165         }
 166 }
 167
 168 /*========================= End of Function ========================*/
 169
 170 /*------------------------------------------------------------------*/
 171 /*                                                                  */
 172 /* Name         - restoreLMF                                        */
 173 /*                                                                  */
 174 /* Function     - Restore the LMF state prior to exiting a method.  */
 175 /*                                                                  */
 176 /*------------------------------------------------------------------*/
 177
 178 #define restoreLMF(code, frame_reg, stack_usage) do                     \
 179 {                                                                       \
 180         int lmfOffset = 0;                                              \
 181                                                                         \
 182         s390_lr  (code, s390_r13, frame_reg);                           \
 183                                                                         \
 184         lmfOffset = stack_usage -  sizeof(MonoLMF);                     \
 185                                                                         \
 186         /*-------------------------------------------------*/           \
 187         /* r13 = my lmf                                    */           \
 188         /*-------------------------------------------------*/           \
 189         s390_ahi (code, s390_r13, lmfOffset);                           \
 190                                                                         \
 191         /*-------------------------------------------------*/           \
 192         /* r6 = &jit_tls->lmf                              */           \
 193         /*-------------------------------------------------*/           \
 194         s390_l   (code, s390_r6, 0, s390_r13,                           \
 195                   G_STRUCT_OFFSET(MonoLMF, lmf_addr));                  \
 196                                                                         \
 197         /*-------------------------------------------------*/           \
 198         /* r0 = lmf.previous_lmf                           */           \
 199         /*-------------------------------------------------*/           \
 200         s390_l   (code, s390_r0, 0, s390_r13,                           \
 201                   G_STRUCT_OFFSET(MonoLMF, previous_lmf));              \
 202                                                                         \
 203         /*-------------------------------------------------*/           \
 204         /* jit_tls->lmf = previous_lmf                     */           \
 205         /*-------------------------------------------------*/           \
 206         s390_l   (code, s390_r13, 0, s390_r6, 0);                       \
 207         s390_st  (code, s390_r0, 0, s390_r6, 0);                        \
 208 } while (0)
 209
 210 /*========================= End of Function ========================*/
 211
 212 #endif /* __MONO_MINI_S390_H__ */