mono/mini/mini-sparc.h

   1 #ifndef __MONO_MINI_SPARC_H__
   2 #define __MONO_MINI_SPARC_H__
   3
   4 #include <mono/arch/sparc/sparc-codegen.h>
   5 #include <mono/utils/mono-context.h>
   6
   7 #include <glib.h>
   8
   9 #define MONO_ARCH_CPU_SPEC sparc_desc
  10
  11 #define MONO_MAX_IREGS 32
  12 #define MONO_MAX_FREGS 32
  13
  14 /* Parameters used by the register allocator */
  15
  16 /*
  17  * Use %o0..%o5 as local registers, plus %l7 since we need an extra register for
  18  * holding the sreg1 in call instructions.
  19  */
  20 #define MONO_ARCH_CALLEE_REGS ((1 << sparc_o0) | (1 << sparc_o1) | (1 << sparc_o2) | (1 << sparc_o3) | (1 << sparc_o4) | (1 << sparc_o5) | (1 << sparc_l7))
  21
  22 #define MONO_ARCH_CALLEE_SAVED_REGS ((~MONO_ARCH_CALLEE_REGS) & ~(1 << sparc_g1))
  23
  24 #ifdef SPARCV9
  25 /* Use %d34..%d62 as the double precision floating point local registers */
  26 /* %d32 has the same encoding as %f1, so %d36%d38 == 0b1010 == 0xa */
  27 #define MONO_ARCH_CALLEE_FREGS (0xaaaaaaa8)
  28 #else
  29 /* Use %f2..%f30 as the double precision floating point local registers */
  30 #define MONO_ARCH_CALLEE_FREGS (0x55555554)
  31 #endif
  32
  33 #define MONO_ARCH_CALLEE_SAVED_FREGS 0
  34
  35 #define MONO_ARCH_USE_FPSTACK FALSE
  36 #define MONO_ARCH_FPSTACK_SIZE 0
  37 #ifdef SPARCV9
  38 #define MONO_ARCH_INST_FIXED_REG(desc) ((desc == 'o') ? sparc_o0 : -1)
  39 #else
  40 #define MONO_ARCH_INST_FIXED_REG(desc) ((desc == 'o') ? sparc_o0 : ((desc == 'l') ? sparc_o1 : -1))
  41 #endif
  42 #define MONO_ARCH_INST_SREG2_MASK(ins) (0)
  43
  44 #ifdef SPARCV9
  45 #define MONO_ARCH_INST_IS_REGPAIR(desc) FALSE
  46 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (-1)
  47 #else
  48 #define MONO_ARCH_INST_IS_REGPAIR(desc) ((desc == 'l') || (desc == 'L'))
  49 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (((desc == 'l') ? sparc_o0 : (desc == 'L' ? (hreg1 + 1) : -1)))
  50 #endif
  51
  52 #if SIZEOF_VOID_P == 8
  53 #define MONO_ARCH_FRAME_ALIGNMENT 16
  54 #else
  55 #define MONO_ARCH_FRAME_ALIGNMENT 8
  56 #endif
  57
  58 #define MONO_ARCH_CODE_ALIGNMENT 32
  59
  60 #define MONO_ARCH_RETREG1 sparc_i0
  61
  62 #ifdef SPARCV9
  63 #define MONO_SPARC_STACK_BIAS 2047
  64 #else
  65 #define MONO_SPARC_STACK_BIAS 0
  66 #endif
  67
  68 struct MonoLMF {
  69         gpointer    previous_lmf;
  70         gpointer    lmf_addr;
  71         MonoMethod *method;
  72         gpointer    ip;
  73         gpointer    sp;
  74         gpointer    ebp;
  75 };
  76
  77 typedef struct MonoCompileArch {
  78         gint32 lmf_offset;
  79         gint32 localloc_offset;
  80         void *float_spill_slot;
  81 } MonoCompileArch;
  82
  83 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do {        \
  84                 mono_arch_flush_register_windows ();    \
  85                 MONO_CONTEXT_SET_IP ((ctx), (start_func));      \
  86                 MONO_CONTEXT_SET_BP ((ctx), __builtin_frame_address (0));       \
  87                 MONO_CONTEXT_SET_SP ((ctx), __builtin_frame_address (0));       \
  88         } while (0)
  89
  90 #define MONO_ARCH_INIT_TOP_LMF_ENTRY(lmf) do { (lmf)->ebp = -1; } while (0)
  91
  92 #define MONO_ARCH_USE_SIGACTION 1
  93
  94 #ifdef HAVE_WORKING_SIGALTSTACK
  95 /*#define MONO_ARCH_SIGSEGV_ON_ALTSTACK*/
  96 #endif
  97
  98 #define MONO_ARCH_EMULATE_FCONV_TO_I8   1
  99 #define MONO_ARCH_EMULATE_LCONV_TO_R8   1
 100 #define MONO_ARCH_EMULATE_LCONV_TO_R4   1
 101 #define MONO_ARCH_EMULATE_CONV_R8_UN    1
 102 #define MONO_ARCH_EMULATE_LCONV_TO_R8_UN 1
 103 #define MONO_ARCH_EMULATE_FREM 1
 104 #define MONO_ARCH_NEED_DIV_CHECK 1
 105 #define MONO_ARCH_HAVE_IMT 1
 106 #define MONO_ARCH_IMT_REG sparc_g1
 107 #define MONO_ARCH_HAVE_DECOMPOSE_LONG_OPTS 1
 108
 109 #ifdef SPARCV9
 110 #define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
 111 #endif
 112
 113 #define MONO_ARCH_THIS_AS_FIRST_ARG 1
 114
 115 #ifndef __GNUC__
 116 /* assume Sun compiler if not GCC */
 117 static void * __builtin_return_address(int depth)
 118 {
 119         asm("ta      3");
 120         asm("tst     %i0");
 121         asm("be      retAddr_End");
 122         asm("mov     %fp, %l0");
 123         asm("retAddr_Start:");
 124         asm("sub     %i0, 1, %i0");
 125         asm("tst     %i0");
 126         asm("bne     retAddr_Start");
 127 #if SPARCV9
 128         asm("ldx     [%l0+2159], %l0");
 129         asm("retAddr_End:");
 130         asm("ldx     [%l0+2167], %i0");
 131 #else
 132         asm("ld      [%l0+56], %l0");
 133         asm("retAddr_End:");
 134         asm("ld      [%l0+60], %i0");
 135 #endif
 136 }
 137
 138 static void * __builtin_frame_address(int depth)
 139 {
 140         asm("ta      3");
 141         asm("tst     %i0");
 142         asm("be      frameAddr_End");
 143         asm("mov     %fp, %l0");
 144         asm("frameAddr_Start:");
 145         asm("sub     %i0, 1, %i0");
 146         asm("tst     %i0");
 147         asm("bne     frameAddr_Start");
 148 #if SPARCV9
 149         asm("ldx     [%l0+2159], %l0");
 150         asm("frameAddr_End:");
 151         asm("ldx     [%l0+2159], %i0");
 152 #else
 153         asm("ld      [%l0+56], %l0");
 154         asm("frameAddr_End:");
 155         asm("ld      [%l0+56], %i0");
 156 #endif
 157 }
 158 #endif
 159
 160 gboolean mono_sparc_is_virtual_call (guint32 *code);
 161
 162 gpointer* mono_sparc_get_vcall_slot_addr (guint32 *code, mgreg_t *regs);
 163
 164 void mono_sparc_flushw (void);
 165
 166 gboolean mono_sparc_is_v9 (void);
 167
 168 gboolean mono_sparc_is_sparc64 (void);
 169
 170 struct MonoCompile;
 171
 172 guint32* mono_sparc_emit_save_lmf (guint32* code, guint32 lmf_offset);
 173
 174 guint32* mono_sparc_emit_restore_lmf (guint32 *code, guint32 lmf_offset);
 175
 176 #endif /* __MONO_MINI_SPARC_H__ */