1 #ifndef __MONO_MINI_S390X_H__
2 #define __MONO_MINI_S390X_H__
4 #include <mono/arch/s390x/s390x-codegen.h>
7 #define MONO_ARCH_CPU_SPEC s390x_cpu_desc
9 #define MONO_MAX_IREGS 16
10 #define MONO_MAX_FREGS 16
12 /*-------------------------------------------*/
13 /* Parameters used by the register allocator */
14 /*-------------------------------------------*/
16 #define MONO_EMIT_NEW_MOVE(cfg,dest,offset,src,imm,size) do { \
21 inst = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \
23 tmpr = mono_regstate_next_int (cfg->rs); \
24 MONO_EMIT_NEW_ICONST(cfg,tmpr,size); \
26 inst->inst_offset = offset; \
28 inst->inst_imm = imm; \
31 if (s390_is_uimm12(offset)) { \
33 inst->inst_offset = offset; \
35 dReg = mono_regstate_next_int (cfg->rs); \
36 MONO_EMIT_NEW_BIALU_IMM(cfg, OP_ADD_IMM, \
37 dReg, dest, offset); \
39 inst->inst_offset = 0; \
41 if (s390_is_uimm12(imm)) { \
43 inst->inst_imm = imm; \
45 sReg = mono_regstate_next_int (cfg->rs); \
46 MONO_EMIT_NEW_BIALU_IMM(cfg, OP_ADD_IMM, \
52 inst->opcode = OP_S390_MOVE; \
53 inst->backend.size = size; \
54 mono_bblock_add_inst (cfg->cbb, inst); \
57 #define MONO_OUTPUT_VTR(cfg, size, dr, sr, so) do { \
58 int reg = mono_regstate_next_int (cfg->rs); \
61 MONO_EMIT_NEW_ICONST(cfg, reg, 0); \
62 mono_call_inst_add_outarg_reg(s, call, reg, dr, FALSE); \
65 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU1_MEMBASE, \
67 mono_call_inst_add_outarg_reg(s, call, reg, dr, FALSE); \
70 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU2_MEMBASE, \
72 mono_call_inst_add_outarg_reg(s, call, reg, dr, FALSE); \
75 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADI4_MEMBASE, \
77 mono_call_inst_add_outarg_reg(s, call, reg, dr, FALSE); \
80 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOAD_MEMBASE, \
82 mono_call_inst_add_outarg_reg(s, call, reg, dr, FALSE); \
87 #define MONO_OUTPUT_VTS(cfg, size, dr, dx, sr, so) do { \
91 tmpr = mono_regstate_next_int (cfg->rs); \
92 MONO_EMIT_NEW_ICONST(cfg, tmpr, 0); \
93 MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
97 tmpr = mono_regstate_next_int (cfg->rs); \
98 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU1_MEMBASE, \
100 MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
104 tmpr = mono_regstate_next_int (cfg->rs); \
105 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU2_MEMBASE, \
107 MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
111 tmpr = mono_regstate_next_int (cfg->rs); \
112 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADI4_MEMBASE, \
114 MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
118 MONO_EMIT_NEW_MOVE (cfg, dr, dx, sr, so, size); \
123 #define S390_LONG(loc, opy, op, r, ix, br, off) \
125 if (s390_is_imm20(off)) { \
126 s390_##opy (loc, r, ix, br, off); \
128 s390_basr (code, s390_r13, 0); \
130 s390_llong(code, off); \
131 s390_lg (code, s390_r13, 0, s390_r13, 4); \
132 s390_##op (code, r, s390_r13, br, 0); \
135 if (s390_is_uimm12(off)) { \
136 s390_##op (loc, r, ix, br, off); \
138 s390_basr (code, s390_r13, 0); \
140 s390_llong(code, off); \
141 s390_lg (code, s390_r13, 0, s390_r13, 4); \
142 s390_##op (code, r, s390_r13, br, 0); \
147 gpointer previous_lmf;
157 typedef struct ucontext MonoContext;
159 typedef struct MonoCompileArch {
170 void *return_address;
171 } MonoS390StackFrame;
173 // #define MONO_ARCH_SIGSEGV_ON_ALTSTACK 1
174 #define MONO_ARCH_EMULATE_LCONV_TO_R8_UN 1
175 #define MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS 1
176 #define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS 1
177 #define MONO_ARCH_HAVE_IS_INT_OVERFLOW 1
178 #define MONO_ARCH_NEED_DIV_CHECK 1
179 #define MONO_ARCH_HAVE_ATOMIC_ADD 1
180 #define MONO_ARCH_HAVE_ATOMIC_EXCHANGE 1
181 #define MONO_ARCH_SIGNAL_STACK_SIZE 256*1024
182 #define MONO_ARCH_HAVE_DECOMPOSE_OPTS 1
183 #define MONO_ARCH_ENABLE_NORMALIZE_OPCODES 1
184 // #define MONO_ARCH_HAVE_THROW_CORLIB_EXCEPTION 1
186 #define MONO_ARCH_USE_SIGACTION 1
188 #define S390_STACK_ALIGNMENT 8
189 #define S390_FIRST_ARG_REG s390_r2
190 #define S390_LAST_ARG_REG s390_r6
191 #define S390_FIRST_FPARG_REG s390_f0
192 #define S390_LAST_FPARG_REG s390_f6
193 #define S390_PASS_STRUCTS_BY_VALUE 1
194 #define S390_SMALL_RET_STRUCT_IN_REG 1
196 #define S390_NUM_REG_ARGS (S390_LAST_ARG_REG-S390_FIRST_ARG_REG+1)
197 #define S390_NUM_REG_FPARGS ((S390_LAST_FPARG_REG-S390_FIRST_FPARG_REG)/2)
199 /*===============================================*/
200 /* Definitions used by mini-codegen.c */
201 /*===============================================*/
203 /*------------------------------------------------------*/
204 /* use s390_r2-s390_r6 as parm registers */
205 /* s390_r0, s390_r1, s390_r12, s390_r13 used internally */
206 /* s390_r8..s390_r11 are used for global regalloc */
207 /* s390_r15 is the stack pointer */
208 /*------------------------------------------------------*/
209 #define MONO_ARCH_CALLEE_REGS (0xfc)
211 #define MONO_ARCH_CALLEE_SAVED_REGS 0xff80
213 /*----------------------------------------*/
214 /* use s390_f1/s390_f3-s390_f15 as temps */
215 /*----------------------------------------*/
217 #define MONO_ARCH_CALLEE_FREGS (0xfffe)
219 #define MONO_ARCH_CALLEE_SAVED_FREGS 0
221 #define MONO_ARCH_USE_FPSTACK FALSE
222 #define MONO_ARCH_FPSTACK_SIZE 0
224 #define MONO_ARCH_INST_FIXED_REG(desc) ((desc == 'o') ? s390_r2 : \
225 ((desc == 'g') ? s390_f0 : - 1))
227 #define MONO_ARCH_INST_IS_FLOAT(desc) ((desc == 'f') || (desc == 'g'))
229 #define MONO_ARCH_INST_SREG2_MASK(ins) (0)
231 #define MONO_ARCH_INST_IS_REGPAIR(desc) (0)
232 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hr) -1
234 #define MONO_ARCH_IS_GLOBAL_IREG(reg) 0
236 #define MONO_ARCH_FRAME_ALIGNMENT 8
237 #define MONO_ARCH_CODE_ALIGNMENT 32
239 #define MONO_ARCH_BASEREG s390_r15
240 #define MONO_ARCH_RETREG1 s390_r2
242 /*-----------------------------------------------*/
243 /* Macros used to generate instructions */
244 /*-----------------------------------------------*/
245 #define S390_OFFSET(b, t) (guchar *) ((guint64) (b) - (guint64) (t))
246 #define S390_RELATIVE(b, t) (guchar *) ((((guint64) (b) - (guint64) (t))) / 2)
248 #define CODEPTR(c, o) (o) = (short *) ((guint64) c - 2)
249 #define PTRSLOT(c, o) *(o) = (short) ((guint64) c - (guint64) (o) + 2)/2
252 #define S390_ALIGN(v, a) (((a) > 0 ? (((v) + ((a) - 1)) & ~((a) - 1)) : (v)))
254 #define MONO_CONTEXT_SET_IP(ctx,ip) \
256 (ctx)->uc_mcontext.gregs[14] = (unsigned long)ip; \
257 (ctx)->uc_mcontext.psw.addr = (unsigned long)ip; \
260 #define MONO_CONTEXT_SET_SP(ctx,bp) MONO_CONTEXT_SET_BP((ctx),(bp))
261 #define MONO_CONTEXT_SET_BP(ctx,bp) \
263 (ctx)->uc_mcontext.gregs[15] = (unsigned long)bp; \
264 (ctx)->uc_stack.ss_sp = (void*)bp; \
267 #define MONO_CONTEXT_GET_IP(ctx) (gpointer) (ctx)->uc_mcontext.psw.addr
268 #define MONO_CONTEXT_GET_BP(ctx) MONO_CONTEXT_GET_SP((ctx))
269 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->uc_mcontext.gregs[15]))
271 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,func) do { \
272 MonoS390StackFrame *sframe; \
273 __asm__ volatile("lgr %0,15" : "=r" (sframe)); \
274 MONO_CONTEXT_SET_BP ((ctx), sframe->prev); \
275 MONO_CONTEXT_SET_SP ((ctx), sframe->prev); \
276 sframe = (MonoS390StackFrame*)sframe->prev; \
277 MONO_CONTEXT_SET_IP ((ctx), sframe->return_address); \
280 /*------------------------------------------------------------------*/
282 /* Name - s390_patch_rel */
284 /* Function - Patch the code with a given offset. */
286 /*------------------------------------------------------------------*/
289 s390_patch_rel (guchar *code, guint64 target)
291 guint32 *offset = (guint32 *) code;
294 *offset = (guint32) target;
298 /*========================= End of Function ========================*/
300 /*------------------------------------------------------------------*/
302 /* Name - s390_patch_addr */
304 /* Function - Patch the code with a given address. */
306 /*------------------------------------------------------------------*/
309 s390_patch_addr (guchar *code, guint64 target)
311 guint64 *offset = (guint64 *) code;
318 /*========================= End of Function ========================*/
320 /*------------------------------------------------------------------*/
322 /* Name - restoreLMF */
324 /* Function - Restore the LMF state prior to exiting a method. */
326 /*------------------------------------------------------------------*/
328 #define restoreLMF(code, frame_reg, stack_usage) do \
332 s390_lgr (code, s390_r13, frame_reg); \
334 lmfOffset = stack_usage - sizeof(MonoLMF); \
336 /*-------------------------------------------------*/ \
338 /*-------------------------------------------------*/ \
339 s390_aghi (code, s390_r13, lmfOffset); \
341 /*-------------------------------------------------*/ \
342 /* r6 = &jit_tls->lmf */ \
343 /*-------------------------------------------------*/ \
344 s390_lg (code, s390_r6, 0, s390_r13, \
345 G_STRUCT_OFFSET(MonoLMF, lmf_addr)); \
347 /*-------------------------------------------------*/ \
348 /* r0 = lmf.previous_lmf */ \
349 /*-------------------------------------------------*/ \
350 s390_lg (code, s390_r0, 0, s390_r13, \
351 G_STRUCT_OFFSET(MonoLMF, previous_lmf)); \
353 /*-------------------------------------------------*/ \
354 /* jit_tls->lmf = previous_lmf */ \
355 /*-------------------------------------------------*/ \
356 s390_lg (code, s390_r13, 0, s390_r6, 0); \
357 s390_stg (code, s390_r0, 0, s390_r6, 0); \
360 /*========================= End of Function ========================*/
362 #endif /* __MONO_MINI_S390X_H__ */