?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
* mini-exceptions.c (ves_icall_get_frame_info): Fix this function on s390/s390x.
[mono.git] / mono / mini / mini-s390x.h
blob69f522a298b2475e36742c6bd232204e6be2b82d
1 #ifndef __MONO_MINI_S390X_H__
2 #define __MONO_MINI_S390X_H__
3
4 #include <mono/arch/s390x/s390x-codegen.h>
5 #include <signal.h>
6
7 #define MONO_MAX_IREGS 16
8 #define MONO_MAX_FREGS 16
9
10 /*-------------------------------------------*/
11 /* Parameters used by the register allocator */
12 /*-------------------------------------------*/
13 #define MONO_ARCH_HAS_XP_LOCAL_REGALLOC 1
14
15 #define MONO_EMIT_NEW_MOVE(cfg,dest,offset,src,imm,size) do { \
16 MonoInst *inst; \
17 int tmpr = 0; \
18 int sReg, dReg; \
19 \
20 inst = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \
21 if (size > 256) { \
22 tmpr = mono_regstate_next_int (cfg->rs); \
23 MONO_EMIT_NEW_ICONST(cfg,tmpr,size); \
24 inst->dreg = dest; \
25 inst->inst_offset = offset; \
26 inst->sreg1 = src; \
27 inst->inst_imm = imm; \
28 inst->sreg2 = tmpr; \
29 } else { \
30 if (s390_is_uimm12(offset)) { \
31 inst->dreg = dest; \
32 inst->inst_offset = offset; \
33 } else { \
34 dReg = mono_regstate_next_int (cfg->rs); \
35 MONO_EMIT_NEW_BIALU_IMM(cfg, OP_ADD_IMM, \
36 dReg, dest, offset); \
37 inst->dreg = dReg; \
38 inst->inst_offset = 0; \
39 } \
40 if (s390_is_uimm12(imm)) { \
41 inst->sreg1 = src; \
42 inst->inst_imm = imm; \
43 } else { \
44 sReg = mono_regstate_next_int (cfg->rs); \
45 MONO_EMIT_NEW_BIALU_IMM(cfg, OP_ADD_IMM, \
46 sReg, src, imm); \
47 inst->sreg1 = sReg; \
48 inst->inst_imm = 0; \
49 } \
50 } \
51 inst->opcode = OP_S390_MOVE; \
52 inst->unused = size; \
53 mono_bblock_add_inst (cfg->cbb, inst); \
54 } while (0)
55
56 #define MONO_OUTPUT_VTR(cfg, size, dr, sr, so) do { \
57 int reg = mono_regstate_next_int (cfg->rs); \
58 switch (size) { \
59 case 0: \
60 MONO_EMIT_NEW_ICONST(cfg, reg, 0); \
61 mono_call_inst_add_outarg_reg(s, call, reg, dr, FALSE); \
62 break; \
63 case 1: \
64 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU1_MEMBASE, \
65 reg, sr, so); \
66 mono_call_inst_add_outarg_reg(s, call, reg, dr, FALSE); \
67 break; \
68 case 2: \
69 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU2_MEMBASE, \
70 reg, sr, so); \
71 mono_call_inst_add_outarg_reg(s, call, reg, dr, FALSE); \
72 break; \
73 case 4: \
74 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADI4_MEMBASE, \
75 reg, sr, so); \
76 mono_call_inst_add_outarg_reg(s, call, reg, dr, FALSE); \
77 break; \
78 case 8: \
79 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOAD_MEMBASE, \
80 reg, sr, so); \
81 mono_call_inst_add_outarg_reg(s, call, reg, dr, FALSE); \
82 break; \
83 } \
84 } while (0)
85
86 #define MONO_OUTPUT_VTS(cfg, size, dr, dx, sr, so) do { \
87 int tmpr; \
88 switch (size) { \
89 case 0: \
90 tmpr = mono_regstate_next_int (cfg->rs); \
91 MONO_EMIT_NEW_ICONST(cfg, tmpr, 0); \
92 MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
93 dr, dx, tmpr); \
94 break; \
95 case 1: \
96 tmpr = mono_regstate_next_int (cfg->rs); \
97 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU1_MEMBASE, \
98 tmpr, sr, so); \
99 MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
100 dr, dx, tmpr); \
101 break; \
102 case 2: \
103 tmpr = mono_regstate_next_int (cfg->rs); \
104 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU2_MEMBASE, \
105 tmpr, sr, so); \
106 MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
107 dr, dx, tmpr); \
108 break; \
109 case 4: \
110 tmpr = mono_regstate_next_int (cfg->rs); \
111 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADI4_MEMBASE, \
112 tmpr, sr, so); \
113 MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
114 dr, dx, tmpr); \
115 break; \
116 case 8: \
117 MONO_EMIT_NEW_MOVE (cfg, dr, dx, sr, so, size); \
118 break; \
119 } \
120 } while (0)
121
122 #define S390_LONG(loc, opy, op, r, ix, br, off) \
123 if (has_ld) { \
124 if (s390_is_imm20(off)) { \
125 s390_##opy (loc, r, ix, br, off); \
126 } else { \
127 s390_basr (code, s390_r13, 0); \
128 s390_j (code, 6); \
129 s390_llong(code, off); \
130 s390_lg (code, s390_r13, 0, s390_r13, 4); \
131 s390_##op (code, r, s390_r13, br, 0); \
132 } \
133 } else { \
134 if (s390_is_uimm12(off)) { \
135 s390_##op (loc, r, ix, br, off); \
136 } else { \
137 s390_basr (code, s390_r13, 0); \
138 s390_j (code, 6); \
139 s390_llong(code, off); \
140 s390_lg (code, s390_r13, 0, s390_r13, 4); \
141 s390_##op (code, r, s390_r13, br, 0); \
142 } \
143 }
144
145 struct MonoLMF {
146 gpointer previous_lmf;
147 gpointer lmf_addr;
148 MonoMethod *method;
149 gulong ebp;
150 gulong eip;
151 gulong pregs[6];
152 gulong gregs[16];
153 gdouble fregs[16];
154 };
155
156 typedef struct ucontext MonoContext;
157
158 typedef struct MonoCompileArch {
159 gpointer litpool;
160 glong litsize;
161 } MonoCompileArch;
162
163 typedef struct
164 {
165 void *prev;
166 void *unused[5];
167 void *regs[8];
168 void *return_address;
169 } MonoS390StackFrame;
170
171 // #define MONO_ARCH_SIGSEGV_ON_ALTSTACK 1
172 #define MONO_ARCH_EMULATE_LCONV_TO_R8_UN 1
173 #define MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS 1
174 #define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS 1
175 #define MONO_ARCH_HAVE_IS_INT_OVERFLOW 1
176 #define MONO_ARCH_NEED_DIV_CHECK 1
177 #define MONO_ARCH_SIGNAL_STACK_SIZE 256*1024
178 // #define MONO_ARCH_HAVE_THROW_CORLIB_EXCEPTION 1
179
180 #define MONO_ARCH_USE_SIGACTION 1
181
182 #define S390_STACK_ALIGNMENT 8
183 #define S390_FIRST_ARG_REG s390_r2
184 #define S390_LAST_ARG_REG s390_r6
185 #define S390_FIRST_FPARG_REG s390_f0
186 #define S390_LAST_FPARG_REG s390_f6
187 #define S390_PASS_STRUCTS_BY_VALUE 1
188 #define S390_SMALL_RET_STRUCT_IN_REG 1
189
190 #define S390_NUM_REG_ARGS (S390_LAST_ARG_REG-S390_FIRST_ARG_REG+1)
191 #define S390_NUM_REG_FPARGS ((S390_LAST_FPARG_REG-S390_FIRST_FPARG_REG)/2)
192
193 /*===============================================*/
194 /* Definitions used by mini-codegen.c */
195 /*===============================================*/
196
197 /*--------------------------------------------*/
198 /* use s390_r2-s390_r6 as parm registers */
199 /* s390_r0, s390_r1, s390_r13 used internally */
200 /* s390_r15 is the stack pointer */
201 /*--------------------------------------------*/
202 #define MONO_ARCH_CALLEE_REGS (0x1ffc)
203
204 #define MONO_ARCH_CALLEE_SAVED_REGS 0xff80
205
206 /*----------------------------------------*/
207 /* use s390_f1/s390_f3-s390_f15 as temps */
208 /*----------------------------------------*/
209
210 #define MONO_ARCH_CALLEE_FREGS (0xfffe)
211
212 #define MONO_ARCH_CALLEE_SAVED_FREGS 0
213
214 #define MONO_ARCH_USE_FPSTACK FALSE
215 #define MONO_ARCH_FPSTACK_SIZE 0
216
217 #define MONO_ARCH_INST_FIXED_REG(desc) ((desc == 'o') ? s390_r2 : \
218 ((desc == 'g') ? s390_f0 : - 1))
219
220 #define MONO_ARCH_INST_IS_FLOAT(desc) ((desc == 'f') || (desc == 'g'))
221
222 #define MONO_ARCH_INST_SREG2_MASK(ins) (0)
223
224 #define MONO_ARCH_INST_IS_REGPAIR(desc) (0)
225 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hr) -1
226
227 #define MONO_ARCH_IS_GLOBAL_IREG(reg) 0
228
229 #define MONO_ARCH_FRAME_ALIGNMENT (sizeof (glong))
230 #define MONO_ARCH_CODE_ALIGNMENT 32
231
232 #define MONO_ARCH_BASEREG s390_r15
233 #define MONO_ARCH_RETREG1 s390_r2
234
235 #define MONO_SPARC_STACK_BIAS 0
236
237 /*-----------------------------------------------*/
238 /* Macros used to generate instructions */
239 /*-----------------------------------------------*/
240 #define S390_OFFSET(b, t) (guchar *) ((guint64) (b) - (guint64) (t))
241 #define S390_RELATIVE(b, t) (guchar *) ((((guint64) (b) - (guint64) (t))) / 2)
242
243 #define CODEPTR(c, o) (o) = (short *) ((guint64) c - 2)
244 #define PTRSLOT(c, o) *(o) = (short) ((guint64) c - (guint64) (o) + 2)/2
245
246 #define S390_CC_EQ 8
247 #define S390_ALIGN(v, a) (((a) > 0 ? (((v) + ((a) - 1)) & ~((a) - 1)) : (v)))
248
249 #define MONO_CONTEXT_SET_IP(ctx,ip) \
250 do { \
251 (ctx)->uc_mcontext.gregs[14] = (unsigned long)ip; \
252 (ctx)->uc_mcontext.psw.addr = (unsigned long)ip; \
253 } while (0);
254
255 #define MONO_CONTEXT_SET_SP(ctx,bp) MONO_CONTEXT_SET_BP((ctx),(bp))
256 #define MONO_CONTEXT_SET_BP(ctx,bp) \
257 do { \
258 (ctx)->uc_mcontext.gregs[15] = (unsigned long)bp; \
259 (ctx)->uc_stack.ss_sp = (void*)bp; \
260 } while (0)
261
262 #define MONO_CONTEXT_GET_IP(ctx) (gpointer) (ctx)->uc_mcontext.psw.addr
263 #define MONO_CONTEXT_GET_BP(ctx) MONO_CONTEXT_GET_SP((ctx))
264 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->uc_mcontext.gregs[15]))
265
266 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,func) do { \
267 MonoS390StackFrame *sframe; \
268 __asm__ volatile("lgr %0,15" : "=r" (sframe)); \
269 MONO_CONTEXT_SET_BP ((ctx), sframe->prev); \
270 sframe = (MonoS390StackFrame*)sframe->prev; \
271 MONO_CONTEXT_SET_IP ((ctx), sframe->return_address); \
272 } while (0)
273
274 /*------------------------------------------------------------------*/
275 /* */
276 /* Name - s390_patch_rel */
277 /* */
278 /* Function - Patch the code with a given offset. */
279 /* */
280 /*------------------------------------------------------------------*/
281
282 static void inline
283 s390_patch_rel (guchar *code, guint64 target)
284 {
285 guint32 *offset = (guint32 *) code;
286
287 if (target != 0) {
288 *offset = (guint32) target;
289 }
290 }
291
292 /*========================= End of Function ========================*/
293
294 /*------------------------------------------------------------------*/
295 /* */
296 /* Name - s390_patch_addr */
297 /* */
298 /* Function - Patch the code with a given address. */
299 /* */
300 /*------------------------------------------------------------------*/
301
302 static void inline
303 s390_patch_addr (guchar *code, guint64 target)
304 {
305 guint64 *offset = (guint64 *) code;
306
307 if (target != 0) {
308 *offset = target;
309 }
310 }
311
312 /*========================= End of Function ========================*/
313
314 /*------------------------------------------------------------------*/
315 /* */
316 /* Name - restoreLMF */
317 /* */
318 /* Function - Restore the LMF state prior to exiting a method. */
319 /* */
320 /*------------------------------------------------------------------*/
321
322 #define restoreLMF(code, frame_reg, stack_usage) do \
323 { \
324 int lmfOffset = 0; \
325 \
326 s390_lgr (code, s390_r13, frame_reg); \
327 \
328 lmfOffset = stack_usage - sizeof(MonoLMF); \
329 \
330 /*-------------------------------------------------*/ \
331 /* r13 = my lmf */ \
332 /*-------------------------------------------------*/ \
333 s390_aghi (code, s390_r13, lmfOffset); \
334 \
335 /*-------------------------------------------------*/ \
336 /* r6 = &jit_tls->lmf */ \
337 /*-------------------------------------------------*/ \
338 s390_lg (code, s390_r6, 0, s390_r13, \
339 G_STRUCT_OFFSET(MonoLMF, lmf_addr)); \
340 \
341 /*-------------------------------------------------*/ \
342 /* r0 = lmf.previous_lmf */ \
343 /*-------------------------------------------------*/ \
344 s390_lg (code, s390_r0, 0, s390_r13, \
345 G_STRUCT_OFFSET(MonoLMF, previous_lmf)); \
346 \
347 /*-------------------------------------------------*/ \
348 /* jit_tls->lmf = previous_lmf */ \
349 /*-------------------------------------------------*/ \
350 s390_lg (code, s390_r13, 0, s390_r6, 0); \
351 s390_stg (code, s390_r0, 0, s390_r6, 0); \
352 } while (0)
353
354 /*========================= End of Function ========================*/
355
356 #endif /* __MONO_MINI_S390X_H__ */
git-svn mirror of mono