1 #ifndef __MONO_MINI_S390_H__
2 #define __MONO_MINI_S390_H__
4 #include <mono/arch/s390/s390-codegen.h>
7 #define MONO_MAX_IREGS 16
8 #define MONO_MAX_FREGS 16
10 #define MONO_ARCH_FRAME_ALIGNMENT 8
12 #define MONO_EMIT_NEW_MOVE(cfg,dest,offset,src,imm,size) do { \
17 inst = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \
19 tmpr = mono_regstate_next_int (cfg->rs); \
20 MONO_EMIT_NEW_ICONST(cfg,tmpr,size); \
22 inst->inst_offset = offset; \
24 inst->inst_imm = imm; \
27 if (s390_is_uimm12(offset)) { \
29 inst->inst_offset = offset; \
31 dReg = mono_regstate_next_int (cfg->rs); \
32 MONO_EMIT_NEW_BIALU_IMM(cfg, OP_ADD_IMM, \
33 dReg, dest, offset); \
35 inst->inst_offset = 0; \
37 if (s390_is_uimm12(imm)) { \
39 inst->inst_imm = imm; \
41 sReg = mono_regstate_next_int (cfg->rs); \
42 MONO_EMIT_NEW_BIALU_IMM(cfg, OP_ADD_IMM, \
48 inst->opcode = OP_S390_MOVE; \
49 inst->unused = size; \
50 mono_bblock_add_inst (cfg->cbb, inst); \
53 #define MONO_OUTPUT_VTR(cfg, size, dr, sr, so) do { \
56 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU1_MEMBASE, \
60 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU2_MEMBASE, \
64 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOAD_MEMBASE, \
68 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOAD_MEMBASE, \
70 dr++; so += sizeof(guint32); \
71 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOAD_MEMBASE, \
77 #define MONO_OUTPUT_VTS(cfg, size, dr, dx, sr, so) do { \
81 tmpr = mono_regstate_next_int (cfg->rs); \
82 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU1_MEMBASE, \
84 MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
88 tmpr = mono_regstate_next_int (cfg->rs); \
89 MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU2_MEMBASE, \
91 MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
96 MONO_EMIT_NEW_MOVE (cfg, dr, dx, sr, so, size); \
101 /* fixme: align to 16byte instead of 32byte (we align to 32byte to get
102 * reproduceable results for benchmarks */
103 #define MONO_ARCH_CODE_ALIGNMENT 32
106 gpointer previous_lmf;
115 typedef struct ucontext MonoContext;
117 typedef struct MonoCompileArch {
125 void *return_address;
126 } MonoS390StackFrame;
128 #define MONO_ARCH_EMULATE_FCONV_TO_I8 1
129 #define MONO_ARCH_EMULATE_LCONV_TO_R8 1
130 #define MONO_ARCH_EMULATE_LCONV_TO_R4 1
131 #define MONO_ARCH_EMULATE_LCONV_TO_R8_UN 1
132 #define MONO_ARCH_EMULATE_LMUL 1
133 #define MONO_ARCH_HAVE_IS_INT_OVERFLOW 1
134 #define MONO_ARCH_NEED_DIV_CHECK 1
135 // #define MONO_ARCH_HAVE_THROW_CORLIB_EXCEPTION 1
137 #define MONO_ARCH_USE_SIGACTION 1
138 // #define CUSTOM_STACK_WALK 1
139 // #define CUSTOM_EXCEPTION_HANDLING 1
140 #define mono_find_jit_info mono_arch_find_jit_info
142 #define S390_STACK_ALIGNMENT 8
143 #define S390_FIRST_ARG_REG s390_r2
144 #define S390_LAST_ARG_REG s390_r6
145 #define S390_FIRST_FPARG_REG s390_f0
146 #define S390_LAST_FPARG_REG s390_f2
147 #define S390_PASS_STRUCTS_BY_VALUE 1
148 #define S390_SMALL_RET_STRUCT_IN_REG 1
150 #define S390_NUM_REG_ARGS (S390_LAST_ARG_REG-S390_FIRST_ARG_REG+1)
151 #define S390_NUM_REG_FPARGS (S390_LAST_FPARG_REG-S390_FIRST_FPARG_REG)
153 #define S390_OFFSET(b, t) (guchar *) ((gint32) (b) - (gint32) (t))
154 #define S390_RELATIVE(b, t) (guchar *) ((((gint32) (b) - (gint32) (t))) / 2)
156 #define CODEPTR(c, o) (o) = (short *) ((guint32) c - 2)
157 #define PTRSLOT(c, o) *(o) = (short) ((guint32) c - (guint32) (o) + 2)/2
160 #define S390_ALIGN(v, a) (((a) > 0 ? (((v) + ((a) - 1)) & ~((a) - 1)) : (v)))
162 #define MONO_CONTEXT_SET_IP(ctx,ip) \
164 (ctx)->uc_mcontext.gregs[14] = (unsigned long)ip; \
165 (ctx)->uc_mcontext.psw.addr = (unsigned long)ip; \
168 #define MONO_CONTEXT_SET_SP(ctx,bp) MONO_CONTEXT_SET_BP((ctx),(bp))
169 #define MONO_CONTEXT_SET_BP(ctx,bp) \
171 (ctx)->uc_mcontext.gregs[15] = (unsigned long)bp; \
172 (ctx)->uc_stack.ss_sp = (void*)bp; \
175 #define MONO_CONTEXT_GET_IP(ctx) context_get_ip ((ctx))
176 #define MONO_CONTEXT_GET_BP(ctx) MONO_CONTEXT_GET_SP((ctx))
177 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->uc_mcontext.gregs[15]))
179 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,func) do { \
180 MonoS390StackFrame *sframe; \
181 __asm__ volatile("l %0,0(15)" : "=r" (sframe)); \
182 MONO_CONTEXT_SET_BP ((ctx), sframe->prev); \
183 sframe = (MonoS390StackFrame*)sframe->prev; \
184 MONO_CONTEXT_SET_IP ((ctx), sframe->return_address); \
187 /*------------------------------------------------------------------*/
189 /* Name - context_get_ip */
191 /* Function - Extract the current instruction address from the */
194 /*------------------------------------------------------------------*/
196 static inline gpointer
197 context_get_ip (MonoContext *ctx)
201 ip = (gpointer) ((gint32) (ctx->uc_mcontext.psw.addr) & 0x7fffffff);
205 /*========================= End of Function ========================*/
207 /*------------------------------------------------------------------*/
209 /* Name - s390_patch */
211 /* Function - Patch the code with a given value. */
213 /*------------------------------------------------------------------*/
216 s390_patch (guchar *code, gint32 target)
218 gint32 *offset = (gint32 *) code;
225 /*========================= End of Function ========================*/
227 /*------------------------------------------------------------------*/
229 /* Name - restoreLMF */
231 /* Function - Restore the LMF state prior to exiting a method. */
233 /*------------------------------------------------------------------*/
235 #define restoreLMF(code, frame_reg, stack_usage) do \
239 s390_lr (code, s390_r13, frame_reg); \
241 lmfOffset = stack_usage - sizeof(MonoLMF); \
243 /*-------------------------------------------------*/ \
245 /*-------------------------------------------------*/ \
246 s390_ahi (code, s390_r13, lmfOffset); \
248 /*-------------------------------------------------*/ \
249 /* r6 = &jit_tls->lmf */ \
250 /*-------------------------------------------------*/ \
251 s390_l (code, s390_r6, 0, s390_r13, \
252 G_STRUCT_OFFSET(MonoLMF, lmf_addr)); \
254 /*-------------------------------------------------*/ \
255 /* r0 = lmf.previous_lmf */ \
256 /*-------------------------------------------------*/ \
257 s390_l (code, s390_r0, 0, s390_r13, \
258 G_STRUCT_OFFSET(MonoLMF, previous_lmf)); \
260 /*-------------------------------------------------*/ \
261 /* jit_tls->lmf = previous_lmf */ \
262 /*-------------------------------------------------*/ \
263 s390_l (code, s390_r13, 0, s390_r6, 0); \
264 s390_st (code, s390_r0, 0, s390_r6, 0); \
267 /*========================= End of Function ========================*/
269 #endif /* __MONO_MINI_S390_H__ */