1 #ifndef __MONO_MINI_SPARC_H__
2 #define __MONO_MINI_SPARC_H__
4 #include <mono/arch/sparc/sparc-codegen.h>
5 #include <mono/utils/mono-context.h>
9 #define MONO_ARCH_CPU_SPEC sparc_desc
11 #define MONO_MAX_IREGS 32
12 #define MONO_MAX_FREGS 32
14 /* Parameters used by the register allocator */
17 * Use %o0..%o5 as local registers, plus %l7 since we need an extra register for
18 * holding the sreg1 in call instructions.
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))
22 #define MONO_ARCH_CALLEE_SAVED_REGS ((~MONO_ARCH_CALLEE_REGS) & ~(1 << sparc_g1))
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)
29 /* Use %f2..%f30 as the double precision floating point local registers */
30 #define MONO_ARCH_CALLEE_FREGS (0x55555554)
33 #define MONO_ARCH_CALLEE_SAVED_FREGS 0
35 #define MONO_ARCH_USE_FPSTACK FALSE
36 #define MONO_ARCH_FPSTACK_SIZE 0
38 #define MONO_ARCH_INST_FIXED_REG(desc) ((desc == 'o') ? sparc_o0 : -1)
40 #define MONO_ARCH_INST_FIXED_REG(desc) ((desc == 'o') ? sparc_o0 : ((desc == 'l') ? sparc_o1 : -1))
42 #define MONO_ARCH_INST_SREG2_MASK(ins) (0)
45 #define MONO_ARCH_INST_IS_REGPAIR(desc) FALSE
46 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (-1)
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)))
52 #if SIZEOF_VOID_P == 8
53 #define MONO_ARCH_FRAME_ALIGNMENT 16
55 #define MONO_ARCH_FRAME_ALIGNMENT 8
58 #define MONO_ARCH_CODE_ALIGNMENT 32
60 #define MONO_ARCH_RETREG1 sparc_i0
63 #define MONO_SPARC_STACK_BIAS 2047
65 #define MONO_SPARC_STACK_BIAS 0
69 gpointer previous_lmf;
77 typedef struct MonoCompileArch {
79 gint32 localloc_offset;
80 void *float_spill_slot;
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)); \
90 #define MONO_ARCH_INIT_TOP_LMF_ENTRY(lmf) do { (lmf)->ebp = -1; } while (0)
92 #define MONO_ARCH_USE_SIGACTION 1
94 #ifdef HAVE_WORKING_SIGALTSTACK
95 /*#define MONO_ARCH_SIGSEGV_ON_ALTSTACK*/
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 #define MONO_ARCH_HAVE_TLS_INIT 1
110 void mono_arch_tls_init (void);
113 #define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
116 #define MONO_ARCH_THIS_AS_FIRST_ARG 1
119 /* assume Sun compiler if not GCC */
120 static void * __builtin_return_address(int depth)
124 asm("be retAddr_End");
126 asm("retAddr_Start:");
127 asm("sub %i0, 1, %i0");
129 asm("bne retAddr_Start");
131 asm("ldx [%l0+2159], %l0");
133 asm("ldx [%l0+2167], %i0");
135 asm("ld [%l0+56], %l0");
137 asm("ld [%l0+60], %i0");
141 static void * __builtin_frame_address(int depth)
145 asm("be frameAddr_End");
147 asm("frameAddr_Start:");
148 asm("sub %i0, 1, %i0");
150 asm("bne frameAddr_Start");
152 asm("ldx [%l0+2159], %l0");
153 asm("frameAddr_End:");
154 asm("ldx [%l0+2159], %i0");
156 asm("ld [%l0+56], %l0");
157 asm("frameAddr_End:");
158 asm("ld [%l0+56], %i0");
163 gboolean mono_sparc_is_virtual_call (guint32 *code);
165 gpointer* mono_sparc_get_vcall_slot_addr (guint32 *code, mgreg_t *regs);
167 void mono_sparc_flushw (void);
169 gboolean mono_sparc_is_v9 (void);
171 gboolean mono_sparc_is_sparc64 (void);
175 guint32* mono_sparc_emit_save_lmf (guint32* code, guint32 lmf_offset);
177 guint32* mono_sparc_emit_restore_lmf (guint32 *code, guint32 lmf_offset);
179 #endif /* __MONO_MINI_SPARC_H__ */