5 #ifndef __MONO_MINI_S390X_H__
6 #define __MONO_MINI_S390X_H__
8 #include <mono/arch/s390x/s390x-codegen.h>
9 #include <mono/utils/mono-context.h>
12 #define MONO_ARCH_CPU_SPEC mono_s390x_cpu_desc
14 #define MONO_MAX_IREGS 16
15 #define MONO_MAX_FREGS 16
17 /*-------------------------------------------*/
18 /* Parameters used by the register allocator */
19 /*-------------------------------------------*/
22 gpointer previous_lmf
;
32 typedef struct MonoCompileArch
{
34 uint32_t used_fp_regs
;
46 // #define MONO_ARCH_SIGSEGV_ON_ALTSTACK 1
47 #define MONO_ARCH_EMULATE_LCONV_TO_R8_UN 1
48 #define MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS 1
49 #define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS 1
50 #define MONO_ARCH_HAVE_IS_INT_OVERFLOW 1
51 #define MONO_ARCH_NEED_DIV_CHECK 1
52 #define MONO_ARCH_SIGNAL_STACK_SIZE 256*1024
53 #define MONO_ARCH_HAVE_DECOMPOSE_OPTS 1
54 #define MONO_ARCH_IMT_REG s390_r9
55 #define MONO_ARCH_VTABLE_REG S390_FIRST_ARG_REG
56 #define MONO_ARCH_RGCTX_REG MONO_ARCH_IMT_REG
57 #define MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX 1
58 #define MONO_ARCH_SOFT_DEBUG_SUPPORTED 1
59 #define MONO_ARCH_HAVE_CONTEXT_SET_INT_REG 1
60 #define MONO_ARCH_USE_SIGACTION 1
61 #define MONO_ARCH_GC_MAPS_SUPPORTED 1
62 #define MONO_ARCH_GSHARED_SUPPORTED 1
63 #define MONO_ARCH_MONITOR_ENTER_ADJUSTMENT 1
64 #define MONO_ARCH_HAVE_INVALIDATE_METHOD 1
65 #define MONO_ARCH_HAVE_OP_GENERIC_CLASS_INIT 1
66 #define MONO_ARCH_HAVE_SETUP_ASYNC_CALLBACK 1
67 #define MONO_ARCH_HAVE_TRACK_FPREGS 1
68 #define MONO_ARCH_HAVE_OPTIMIZED_DIV 1
70 #define S390_STACK_ALIGNMENT 8
71 #define S390_FIRST_ARG_REG s390_r2
72 #define S390_LAST_ARG_REG s390_r6
73 #define S390_FIRST_FPARG_REG s390_f0
74 #define S390_LAST_FPARG_REG s390_f6
76 #define S390_FP_SAVE_MASK 0xf0
78 /*===============================================*/
79 /* Definitions used by mini-codegen.c */
80 /*===============================================*/
82 /*------------------------------------------------------*/
83 /* use s390_r2-s390_r6 as parm registers */
84 /* s390_r0, s390_r1, s390_r12, s390_r13 used internally */
85 /* s390_r8..s390_r10 are used for global regalloc */
86 /* -- except for s390_r9 which is used as IMT pointer */
87 /* s390_r11 is sometimes used as the frame pointer */
88 /* s390_r15 is the stack pointer */
89 /*------------------------------------------------------*/
91 #define MONO_ARCH_CALLEE_REGS (0x00fc)
93 #define MONO_ARCH_CALLEE_SAVED_REGS 0xfd00
95 /*----------------------------------------*/
96 /* use s390_f1/s390_f3-s390_f15 as temps */
97 /*----------------------------------------*/
99 #define MONO_ARCH_CALLEE_FREGS (0xfffe)
101 #define MONO_ARCH_CALLEE_SAVED_FREGS 0
103 #define MONO_ARCH_USE_FPSTACK FALSE
105 #define MONO_ARCH_INST_FIXED_REG(desc) ((desc == 'o') ? s390_r2 : \
106 ((desc == 'g') ? s390_f0 : \
107 ((desc == 'A') ? S390_FIRST_ARG_REG : -1)))
109 #define MONO_ARCH_INST_IS_FLOAT(desc) ((desc == 'f') || (desc == 'g'))
111 #define MONO_ARCH_INST_SREG2_MASK(ins) (0)
113 #define MONO_ARCH_INST_IS_REGPAIR(desc) (0)
114 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hr) -1
116 #define MONO_ARCH_IS_GLOBAL_IREG(reg) 0
118 #define MONO_ARCH_FRAME_ALIGNMENT 8
119 #define MONO_ARCH_CODE_ALIGNMENT 32
121 /*-----------------------------------------------*/
122 /* SIMD Related Definitions */
123 /*-----------------------------------------------*/
125 #define MONO_MAX_XREGS 31
126 #define MONO_ARCH_CALLEE_XREGS 0x0
127 #define MONO_ARCH_CALLEE_SAVED_XREGS 0x0
129 // Does the ABI have a volatile non-parameter register, so tailcall
130 // can pass context to generics or interfaces?
131 #define MONO_ARCH_HAVE_VOLATILE_NON_PARAM_REGISTER 0 // FIXME?
133 /*-----------------------------------------------*/
134 /* Macros used to generate instructions */
135 /*-----------------------------------------------*/
136 #define S390_OFFSET(b, t) (guchar *) ((guint64) (b) - (guint64) (t))
137 #define S390_RELATIVE(b, t) (guchar *) ((((guint64) (b) - (guint64) (t))) / 2)
139 #define CODEPTR(c, o) (o) = (short *) ((guint64) c - 2)
140 #define PTRSLOT(c, o) *(o) = (short) ((guint64) c - (guint64) (o) + 2)/2
143 #define S390_ALIGN(v, a) (((a) > 0 ? (((v) + ((a) - 1)) & ~((a) - 1)) : (v)))
145 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,func) do { \
146 MonoS390StackFrame *sframe; \
147 __asm__ volatile("lgr %0,15" : "=r" (sframe)); \
148 MONO_CONTEXT_SET_BP ((ctx), sframe->prev); \
149 MONO_CONTEXT_SET_SP ((ctx), sframe->prev); \
150 MONO_CONTEXT_SET_IP ((ctx), func); \
153 #define MONO_ARCH_INIT_TOP_LMF_ENTRY(lmf) do { (lmf)->ebp = -1; } while (0)
155 /*------------------------------------------------------------------*/
157 /* Name - s390_patch_rel */
159 /* Function - Patch the code with a given offset. */
161 /*------------------------------------------------------------------*/
164 s390_patch_rel (guchar
*code
, guint64 target
)
166 guint32
*offset
= (guint32
*) code
;
169 *offset
= (guint32
) target
;
173 /*========================= End of Function ========================*/
175 /*------------------------------------------------------------------*/
177 /* Name - s390_patch_addr */
179 /* Function - Patch the code with a given address. */
181 /*------------------------------------------------------------------*/
184 s390_patch_addr (guchar
*code
, guint64 target
)
186 guint64
*offset
= (guint64
*) code
;
193 /*========================= End of Function ========================*/
195 /*------------------------------------------------------------------*/
197 /* Name - restoreLMF */
199 /* Function - Restore the LMF state prior to exiting a method. */
201 /*------------------------------------------------------------------*/
203 #define restoreLMF(code, frame_reg, stack_usage) do \
207 s390_lgr (code, s390_r13, frame_reg); \
209 lmfOffset = stack_usage - sizeof(MonoLMF); \
211 /*-------------------------------------------------*/ \
213 /*-------------------------------------------------*/ \
214 s390_aghi (code, s390_r13, lmfOffset); \
216 /*-------------------------------------------------*/ \
217 /* r6 = &jit_tls->lmf */ \
218 /*-------------------------------------------------*/ \
219 s390_lg (code, s390_r6, 0, s390_r13, \
220 G_STRUCT_OFFSET(MonoLMF, lmf_addr)); \
222 /*-------------------------------------------------*/ \
223 /* r0 = lmf.previous_lmf */ \
224 /*-------------------------------------------------*/ \
225 s390_lg (code, s390_r0, 0, s390_r13, \
226 G_STRUCT_OFFSET(MonoLMF, previous_lmf)); \
228 /*-------------------------------------------------*/ \
229 /* jit_tls->lmf = previous_lmf */ \
230 /*-------------------------------------------------*/ \
231 s390_lg (code, s390_r13, 0, s390_r6, 0); \
232 s390_stg (code, s390_r0, 0, s390_r6, 0); \
235 /*========================= End of Function ========================*/
237 #endif /* __MONO_MINI_S390X_H__ */