#include <mono/arch/s390/s390-codegen.h>
#include <signal.h>
+#define MONO_ARCH_CPU_SPEC s390_cpu_desc
+
#define MONO_MAX_IREGS 16
#define MONO_MAX_FREGS 16
-#define MONO_ARCH_FRAME_ALIGNMENT 8
+/*-------------------------------------------*/
+/* Parameters used by the register allocator */
+/*-------------------------------------------*/
-/* fixme: align to 16byte instead of 32byte (we align to 32byte to get
- * reproduceable results for benchmarks */
-#define MONO_ARCH_CODE_ALIGNMENT 32
+#define MONO_EMIT_NEW_MOVE(cfg,dest,offset,src,imm,size) do { \
+ MonoInst *inst; \
+ int tmpr = 0; \
+ int sReg, dReg; \
+ \
+ inst = mono_mempool_alloc0 ((cfg)->mempool, sizeof (MonoInst)); \
+ if (size > 256) { \
+ tmpr = mono_regstate_next_int (cfg->rs); \
+ MONO_EMIT_NEW_ICONST(cfg,tmpr,size); \
+ inst->dreg = dest; \
+ inst->inst_offset = offset; \
+ inst->sreg1 = src; \
+ inst->inst_imm = imm; \
+ inst->sreg2 = tmpr; \
+ } else { \
+ if (s390_is_uimm12(offset)) { \
+ inst->dreg = dest; \
+ inst->inst_offset = offset; \
+ } else { \
+ dReg = mono_regstate_next_int (cfg->rs); \
+ MONO_EMIT_NEW_BIALU_IMM(cfg, OP_ADD_IMM, \
+ dReg, dest, offset); \
+ inst->dreg = dReg; \
+ inst->inst_offset = 0; \
+ } \
+ if (s390_is_uimm12(imm)) { \
+ inst->sreg1 = src; \
+ inst->inst_imm = imm; \
+ } else { \
+ sReg = mono_regstate_next_int (cfg->rs); \
+ MONO_EMIT_NEW_BIALU_IMM(cfg, OP_ADD_IMM, \
+ sReg, src, imm); \
+ inst->sreg1 = sReg; \
+ inst->inst_imm = 0; \
+ } \
+ } \
+ inst->opcode = OP_S390_MOVE; \
+ inst->backend.size = size; \
+ mono_bblock_add_inst (cfg->cbb, inst); \
+ } while (0)
+
+#define MONO_OUTPUT_VTR(cfg, size, dr, sr, so) do { \
+ int reg = mono_regstate_next_int (cfg->rs); \
+ switch (size) { \
+ case 0: \
+ MONO_EMIT_NEW_ICONST(cfg, reg, 0); \
+ mono_call_inst_add_outarg_reg(s, call, reg, dr, FALSE); \
+ break; \
+ case 1: \
+ MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU1_MEMBASE, \
+ reg, sr, so); \
+ mono_call_inst_add_outarg_reg(s, call, reg, dr, FALSE); \
+ break; \
+ case 2: \
+ MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU2_MEMBASE, \
+ reg, sr, so); \
+ mono_call_inst_add_outarg_reg(s, call, reg, dr, FALSE); \
+ break; \
+ case 4: \
+ MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOAD_MEMBASE, \
+ reg, sr, so); \
+ mono_call_inst_add_outarg_reg(s, call, reg, dr, FALSE); \
+ break; \
+ case 8: \
+ MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOAD_MEMBASE, \
+ reg, sr, so); \
+ mono_call_inst_add_outarg_reg(s, call, reg, dr, FALSE); \
+ dr++; so += sizeof(guint32); \
+ reg = mono_regstate_next_int (cfg->rs); \
+ MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOAD_MEMBASE, \
+ reg, sr, so); \
+ mono_call_inst_add_outarg_reg(s, call, reg, dr, FALSE); \
+ break; \
+ } \
+} while (0)
+
+#define MONO_OUTPUT_VTS(cfg, size, dr, dx, sr, so) do { \
+ int tmpr; \
+ switch (size) { \
+ case 0: \
+ tmpr = mono_regstate_next_int (cfg->rs); \
+ MONO_EMIT_NEW_ICONST(cfg, tmpr, 0); \
+ MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
+ dr, dx, tmpr); \
+ break; \
+ case 1: \
+ tmpr = mono_regstate_next_int (cfg->rs); \
+ MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU1_MEMBASE, \
+ tmpr, sr, so); \
+ MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
+ dr, dx, tmpr); \
+ break; \
+ case 2: \
+ tmpr = mono_regstate_next_int (cfg->rs); \
+ MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU2_MEMBASE, \
+ tmpr, sr, so); \
+ MONO_EMIT_NEW_STORE_MEMBASE(cfg, OP_STORE_MEMBASE_REG, \
+ dr, dx, tmpr); \
+ break; \
+ case 4: \
+ case 8: \
+ MONO_EMIT_NEW_MOVE (cfg, dr, dx, sr, so, size); \
+ break; \
+ } \
+} while (0)
struct MonoLMF {
gpointer previous_lmf;
MonoMethod *method;
gulong ebp;
gulong eip;
+ gulong pregs[6];
gulong gregs[16];
gdouble fregs[16];
};
typedef struct MonoCompileArch {
} MonoCompileArch;
-#define MONO_ARCH_EMULATE_FCONV_TO_I8 1
-#define MONO_ARCH_EMULATE_LCONV_TO_R8 1
-#define MONO_ARCH_EMULATE_LCONV_TO_R4 1
-#define MONO_ARCH_EMULATE_LCONV_TO_R8_UN 1
-#define MONO_ARCH_EMULATE_LMUL 1
+typedef struct
+{
+ void *prev;
+ void *unused[5];
+ void *regs[8];
+ void *return_address;
+} MonoS390StackFrame;
+
+typedef struct
+{
+ gint32 size;
+ gint32 offset;
+ gint32 offPrm;
+} MonoS390ArgParm;
+
+#define MONO_ARCH_EMULATE_FCONV_TO_I8 1
+#define MONO_ARCH_EMULATE_LCONV_TO_R8 1
+#define MONO_ARCH_EMULATE_LCONV_TO_R4 1
+#define MONO_ARCH_EMULATE_LCONV_TO_R8_UN 1
+#define MONO_ARCH_EMULATE_LMUL 1
+#define MONO_ARCH_HAVE_IS_INT_OVERFLOW 1
+#define MONO_ARCH_NEED_DIV_CHECK 1
+// #define MONO_ARCH_SIGSEGV_ON_ALTSTACK 1
+// #define MONO_ARCH_SIGNAL_STACK_SIZE 65536
+// #define MONO_ARCH_HAVE_THROW_CORLIB_EXCEPTION 1
#define MONO_ARCH_USE_SIGACTION 1
+// #define CUSTOM_STACK_WALK 1
+// #define CUSTOM_EXCEPTION_HANDLING 1
+// #define mono_find_jit_info mono_arch_find_jit_info
#define S390_STACK_ALIGNMENT 8
#define S390_FIRST_ARG_REG s390_r2
#define S390_NUM_REG_ARGS (S390_LAST_ARG_REG-S390_FIRST_ARG_REG+1)
#define S390_NUM_REG_FPARGS (S390_LAST_FPARG_REG-S390_FIRST_FPARG_REG)
+/*===============================================*/
+/* Definitions used by mini-codegen.c */
+/*===============================================*/
+
+/*--------------------------------------------*/
+/* use s390_r2-s390_r6 as parm registers */
+/* s390_r0, s390_r1, s390_r13 used internally */
+/* s390_r15 is the stack pointer */
+/*--------------------------------------------*/
+#define MONO_ARCH_CALLEE_REGS (0x1ffc)
+
+#define MONO_ARCH_CALLEE_SAVED_REGS 0xff80
+
+/*----------------------------------------*/
+/* use s390_f1/s390_f3-s390_f15 as temps */
+/*----------------------------------------*/
+
+#define MONO_ARCH_CALLEE_FREGS (0xfffe)
+
+#define MONO_ARCH_CALLEE_SAVED_FREGS 0
+
+#define MONO_ARCH_USE_FPSTACK FALSE
+#define MONO_ARCH_FPSTACK_SIZE 0
+
+#define MONO_ARCH_INST_FIXED_REG(desc) ((desc == 'o') ? s390_r2 : \
+ ((desc == 'L') ? s390_r3 : \
+ ((desc == 'g') ? s390_f0 : - 1)))
+
+#define MONO_ARCH_INST_IS_FLOAT(desc) ((desc == 'f') || (desc == 'g'))
+
+#define MONO_ARCH_INST_SREG2_MASK(ins) (0)
+
+#define MONO_ARCH_INST_IS_REGPAIR(desc) ((desc == 'l') || (desc == 'L'))
+//#define MONO_ARCH_INST_IS_REGPAIR(desc) (0)
+#define MONO_ARCH_INST_REGPAIR_REG2(desc,hr) ((desc == 'l') ? (hr + 1) : \
+ ((desc == 'L') ? s390_r2 : -1))
+
+#define MONO_ARCH_IS_GLOBAL_IREG(reg) 0
+
+#define MONO_ARCH_FRAME_ALIGNMENT 4
+#define MONO_ARCH_CODE_ALIGNMENT 32
+
+#define MONO_ARCH_BASEREG s390_r15
+#define MONO_ARCH_RETREG1 s390_r2
+
+#define MONO_SPARC_STACK_BIAS 0
+
+/*-----------------------------------------------*/
+/* Macros used to generate instructions */
+/*-----------------------------------------------*/
#define S390_OFFSET(b, t) (guchar *) ((gint32) (b) - (gint32) (t))
#define S390_RELATIVE(b, t) (guchar *) ((((gint32) (b) - (gint32) (t))) / 2)
#define S390_CC_EQ 8
#define S390_ALIGN(v, a) (((a) > 0 ? (((v) + ((a) - 1)) & ~((a) - 1)) : (v)))
+#define MONO_CONTEXT_SET_IP(ctx,ip) \
+ do { \
+ (ctx)->uc_mcontext.gregs[14] = (unsigned long)ip; \
+ (ctx)->uc_mcontext.psw.addr = (unsigned long)ip; \
+ } while (0);
+
+#define MONO_CONTEXT_SET_SP(ctx,bp) MONO_CONTEXT_SET_BP((ctx),(bp))
+#define MONO_CONTEXT_SET_BP(ctx,bp) \
+ do { \
+ (ctx)->uc_mcontext.gregs[15] = (unsigned long)bp; \
+ (ctx)->uc_stack.ss_sp = (void*)bp; \
+ } while (0);
+
+#define MONO_CONTEXT_GET_IP(ctx) context_get_ip ((ctx))
+#define MONO_CONTEXT_GET_BP(ctx) MONO_CONTEXT_GET_SP((ctx))
+#define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->uc_mcontext.gregs[15]))
+
+#define MONO_INIT_CONTEXT_FROM_FUNC(ctx,func) do { \
+ MonoS390StackFrame *sframe; \
+ __asm__ volatile("lr %0,15" : "=r" (sframe)); \
+ MONO_CONTEXT_SET_BP ((ctx), sframe->prev); \
+ MONO_CONTEXT_SET_SP ((ctx), sframe->prev); \
+ sframe = (MonoS390StackFrame*)sframe->prev; \
+ MONO_CONTEXT_SET_IP ((ctx), sframe->return_address); \
+ } while (0)
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - context_get_ip */
+/* */
+/* Function - Extract the current instruction address from the */
+/* context. */
+/* */
+/*------------------------------------------------------------------*/
+
+static inline gpointer
+context_get_ip (MonoContext *ctx)
+{
+ gpointer ip;
+
+ ip = (gpointer) ((gint32) (ctx->uc_mcontext.psw.addr) & 0x7fffffff);
+ return ip;
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - s390_patch */
+/* */
+/* Function - Patch the code with a given value. */
+/* */
+/*------------------------------------------------------------------*/
+
static void inline
s390_patch (guchar *code, gint32 target)
{
}
}
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - restoreLMF */
+/* */
+/* Function - Restore the LMF state prior to exiting a method. */
+/* */
+/*------------------------------------------------------------------*/
+
+#define restoreLMF(code, frame_reg, stack_usage) do \
+{ \
+ int lmfOffset = 0; \
+ \
+ s390_lr (code, s390_r13, frame_reg); \
+ \
+ lmfOffset = stack_usage - sizeof(MonoLMF); \
+ \
+ /*-------------------------------------------------*/ \
+ /* r13 = my lmf */ \
+ /*-------------------------------------------------*/ \
+ s390_ahi (code, s390_r13, lmfOffset); \
+ \
+ /*-------------------------------------------------*/ \
+ /* r6 = &jit_tls->lmf */ \
+ /*-------------------------------------------------*/ \
+ s390_l (code, s390_r6, 0, s390_r13, \
+ G_STRUCT_OFFSET(MonoLMF, lmf_addr)); \
+ \
+ /*-------------------------------------------------*/ \
+ /* r0 = lmf.previous_lmf */ \
+ /*-------------------------------------------------*/ \
+ s390_l (code, s390_r0, 0, s390_r13, \
+ G_STRUCT_OFFSET(MonoLMF, previous_lmf)); \
+ \
+ /*-------------------------------------------------*/ \
+ /* jit_tls->lmf = previous_lmf */ \
+ /*-------------------------------------------------*/ \
+ s390_l (code, s390_r13, 0, s390_r6, 0); \
+ s390_st (code, s390_r0, 0, s390_r6, 0); \
+} while (0)
+
+/*========================= End of Function ========================*/
+
#endif /* __MONO_MINI_S390_H__ */