mono/mini/mini-sparc.h

   1 /**
   2  * \file
   3  */
   4
   5 #ifndef __MONO_MINI_SPARC_H__
   6 #define __MONO_MINI_SPARC_H__
   7
   8 #include <mono/arch/sparc/sparc-codegen.h>
   9 #include <mono/utils/mono-context.h>
  10
  11 #include <glib.h>
  12
  13 #define MONO_ARCH_CPU_SPEC sparc_desc
  14
  15 #define MONO_MAX_IREGS 32
  16 #define MONO_MAX_FREGS 32
  17
  18 /* Parameters used by the register allocator */
  19
  20 /*
  21  * Use %o0..%o5 as local registers, plus %l7 since we need an extra register for
  22  * holding the sreg1 in call instructions.
  23  */
  24 #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))
  25
  26 #define MONO_ARCH_CALLEE_SAVED_REGS ((~MONO_ARCH_CALLEE_REGS) & ~(1 << sparc_g1))
  27
  28 #ifdef SPARCV9
  29 /* Use %d34..%d62 as the double precision floating point local registers */
  30 /* %d32 has the same encoding as %f1, so %d36%d38 == 0b1010 == 0xa */
  31 #define MONO_ARCH_CALLEE_FREGS (0xaaaaaaa8)
  32 #else
  33 /* Use %f2..%f30 as the double precision floating point local registers */
  34 #define MONO_ARCH_CALLEE_FREGS (0x55555554)
  35 #endif
  36
  37 #define MONO_ARCH_CALLEE_SAVED_FREGS 0
  38
  39 #define MONO_ARCH_USE_FPSTACK FALSE
  40 #define MONO_ARCH_FPSTACK_SIZE 0
  41 #ifdef SPARCV9
  42 #define MONO_ARCH_INST_FIXED_REG(desc) ((desc == 'o') ? sparc_o0 : -1)
  43 #else
  44 #define MONO_ARCH_INST_FIXED_REG(desc) ((desc == 'o') ? sparc_o0 : ((desc == 'l') ? sparc_o1 : -1))
  45 #endif
  46 #define MONO_ARCH_INST_SREG2_MASK(ins) (0)
  47
  48 #ifdef SPARCV9
  49 #define MONO_ARCH_INST_IS_REGPAIR(desc) FALSE
  50 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (-1)
  51 #else
  52 #define MONO_ARCH_INST_IS_REGPAIR(desc) ((desc == 'l') || (desc == 'L'))
  53 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (((desc == 'l') ? sparc_o0 : (desc == 'L' ? (hreg1 + 1) : -1)))
  54 #endif
  55
  56 #if SIZEOF_VOID_P == 8
  57 #define MONO_ARCH_FRAME_ALIGNMENT 16
  58 #else
  59 #define MONO_ARCH_FRAME_ALIGNMENT 8
  60 #endif
  61
  62 #define MONO_ARCH_CODE_ALIGNMENT 32
  63
  64 #ifdef SPARCV9
  65 #define MONO_SPARC_STACK_BIAS 2047
  66 #else
  67 #define MONO_SPARC_STACK_BIAS 0
  68 #endif
  69
  70 struct MonoLMF {
  71         gpointer    previous_lmf;
  72         gpointer    lmf_addr;
  73         MonoMethod *method;
  74         gpointer    ip;
  75         gpointer    sp;
  76         gpointer    ebp;
  77 };
  78
  79 typedef struct MonoCompileArch {
  80         gint32 lmf_offset;
  81         gint32 localloc_offset;
  82         void *float_spill_slot;
  83 } MonoCompileArch;
  84
  85 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do {        \
  86                 mono_arch_flush_register_windows ();    \
  87                 MONO_CONTEXT_SET_IP ((ctx), (start_func));      \
  88                 MONO_CONTEXT_SET_BP ((ctx), __builtin_frame_address (0));       \
  89                 MONO_CONTEXT_SET_SP ((ctx), __builtin_frame_address (0));       \
  90         } while (0)
  91
  92 #define MONO_ARCH_INIT_TOP_LMF_ENTRY(lmf) do { (lmf)->ebp = -1; } while (0)
  93
  94 #define MONO_ARCH_USE_SIGACTION 1
  95
  96 #ifdef HAVE_WORKING_SIGALTSTACK
  97 /*#define MONO_ARCH_SIGSEGV_ON_ALTSTACK*/
  98 #endif
  99
 100 #define MONO_ARCH_EMULATE_FCONV_TO_I8   1
 101 #define MONO_ARCH_EMULATE_LCONV_TO_R8   1
 102 #define MONO_ARCH_EMULATE_LCONV_TO_R4   1
 103 #define MONO_ARCH_EMULATE_CONV_R8_UN    1
 104 #define MONO_ARCH_EMULATE_LCONV_TO_R8_UN 1
 105 #define MONO_ARCH_EMULATE_FREM 1
 106 #define MONO_ARCH_NEED_DIV_CHECK 1
 107 #define MONO_ARCH_IMT_REG sparc_g1
 108 #define MONO_ARCH_HAVE_DECOMPOSE_LONG_OPTS 1
 109 #define MONO_ARCH_HAVE_TLS_INIT 1
 110
 111 void mono_arch_tls_init (void);
 112
 113 #ifdef SPARCV9
 114 #define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
 115 #endif
 116
 117 #ifndef __GNUC__
 118 /* assume Sun compiler if not GCC */
 119 static void * __builtin_return_address(int depth)
 120 {
 121         asm("ta      3");
 122         asm("tst     %i0");
 123         asm("be      retAddr_End");
 124         asm("mov     %fp, %l0");
 125         asm("retAddr_Start:");
 126         asm("sub     %i0, 1, %i0");
 127         asm("tst     %i0");
 128         asm("bne     retAddr_Start");
 129 #if SPARCV9
 130         asm("ldx     [%l0+2159], %l0");
 131         asm("retAddr_End:");
 132         asm("ldx     [%l0+2167], %i0");
 133 #else
 134         asm("ld      [%l0+56], %l0");
 135         asm("retAddr_End:");
 136         asm("ld      [%l0+60], %i0");
 137 #endif
 138 }
 139
 140 static void * __builtin_frame_address(int depth)
 141 {
 142         asm("ta      3");
 143         asm("tst     %i0");
 144         asm("be      frameAddr_End");
 145         asm("mov     %fp, %l0");
 146         asm("frameAddr_Start:");
 147         asm("sub     %i0, 1, %i0");
 148         asm("tst     %i0");
 149         asm("bne     frameAddr_Start");
 150 #if SPARCV9
 151         asm("ldx     [%l0+2159], %l0");
 152         asm("frameAddr_End:");
 153         asm("ldx     [%l0+2159], %i0");
 154 #else
 155         asm("ld      [%l0+56], %l0");
 156         asm("frameAddr_End:");
 157         asm("ld      [%l0+56], %i0");
 158 #endif
 159 }
 160 #endif
 161
 162 gboolean mono_sparc_is_virtual_call (guint32 *code);
 163
 164 gpointer* mono_sparc_get_vcall_slot_addr (guint32 *code, mgreg_t *regs);
 165
 166 void mono_sparc_flushw (void);
 167
 168 gboolean mono_sparc_is_v9 (void);
 169
 170 gboolean mono_sparc_is_sparc64 (void);
 171
 172 struct MonoCompile;
 173
 174 guint32* mono_sparc_emit_save_lmf (guint32* code, guint32 lmf_offset);
 175
 176 guint32* mono_sparc_emit_restore_lmf (guint32 *code, guint32 lmf_offset);
 177
 178 #endif /* __MONO_MINI_SPARC_H__ */