#define __MONO_MINI_S390X_H__
#include <mono/arch/s390x/s390x-codegen.h>
+#include <mono/utils/mono-context.h>
#include <signal.h>
+#define MONO_ARCH_CPU_SPEC s390x_cpu_desc
+
#define MONO_MAX_IREGS 16
#define MONO_MAX_FREGS 16
-#define MONO_ARCH_FRAME_ALIGNMENT 8
+/*-------------------------------------------*/
+/* Parameters used by the register allocator */
+/*-------------------------------------------*/
-#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; \
+#define S390_LONG(loc, opy, op, r, ix, br, off) \
+ if (mono_hwcap_s390x_has_ld) { \
+ if (s390_is_imm20(off)) { \
+ s390_##opy (loc, r, ix, br, off); \
} 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; \
- } \
+ s390_basr (code, s390_r13, 0); \
+ s390_j (code, 6); \
+ s390_llong(code, off); \
+ s390_lg (code, s390_r13, 0, s390_r13, 4); \
+ s390_##op (code, r, s390_r13, br, 0); \
} \
- inst->opcode = OP_S390_MOVE; \
- inst->unused = size; \
- mono_bblock_add_inst (cfg->cbb, inst); \
- } while (0)
-
-#define MONO_OUTPUT_VTR(cfg, size, dr, sr, so) do { \
- switch (size) { \
- case 1: \
- MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU1_MEMBASE, \
- dr, sr, so); \
- break; \
- case 2: \
- MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU2_MEMBASE, \
- dr, sr, so); \
- break; \
- case 4: \
- MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOADU4_MEMBASE, \
- dr, sr, so); \
- break; \
- case 8: \
- MONO_EMIT_NEW_LOAD_MEMBASE_OP(cfg, OP_LOAD_MEMBASE, \
- dr, sr, so); \
- break; \
- } \
-} while (0)
-
-#define MONO_OUTPUT_VTS(cfg, size, dr, dx, sr, so) do { \
- int tmpr; \
- switch (size) { \
- 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, \
- tmpr, dr, dx); \
- 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, \
- tmpr, dr, dx); \
- break; \
- case 4: \
- case 8: \
- MONO_EMIT_NEW_MOVE (cfg, dr, dx, sr, so, size); \
- break; \
- } \
-} while (0)
-
-/* fixme: align to 16byte instead of 32byte (we align to 32byte to get
- * reproduceable results for benchmarks */
-#define MONO_ARCH_CODE_ALIGNMENT 32
+ } else { \
+ if (s390_is_uimm12(off)) { \
+ s390_##op (loc, r, ix, br, off); \
+ } else { \
+ s390_basr (code, s390_r13, 0); \
+ s390_j (code, 6); \
+ s390_llong(code, off); \
+ s390_lg (code, s390_r13, 0, s390_r13, 4); \
+ s390_##op (code, r, s390_r13, br, 0); \
+ } \
+ }
struct MonoLMF {
gpointer previous_lmf;
MonoMethod *method;
gulong ebp;
gulong eip;
+ gulong pregs[6];
gulong gregs[16];
gdouble fregs[16];
};
-typedef struct ucontext MonoContext;
-
typedef struct MonoCompileArch {
+ gpointer litpool;
+ glong litsize;
+ int bkchain_reg;
} 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
-#define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS 1
+typedef struct
+{
+ void *prev;
+ void *unused[5];
+ void *regs[8];
+ void *return_address;
+} MonoS390StackFrame;
-#define MONO_ARCH_USE_SIGACTION 1
+typedef struct
+{
+ char n3:1; // N3 instructions present
+ char zArch:1; // z/Architecture mode installed
+ char zAct:1; // z/Architecture mode active
+ char date:1; // DATE enhancement facility
+ char idte1:1; // IDTE present (PST)
+ char idte2:1; // IDTE present (REG)
+ char asnlx:1; // ASN and LX reuse facility
+ char stfle:1; // STFLE installed
+ char zDATe:1; // Enhanced DAT in z mode
+ char srstat:1; // Sense running status facility
+ char cSSKE:1; // Conditional SSKE facility
+ char topo:1; // COnfiguration topology facility
+ char xTrans2:1; // Extended translation facility 2
+ char msgSec:1; // Message security facility
+ char longDsp:1; // Long displacement facility
+ char hiPerfLD:1; // High performance long displacement facility
+ char hfpMAS:1; // HFP multiply-and-add/subtrace facility
+ char xImm:1; // Extended immediate facility
+ char xTrans3:1; // Extended translation facility 3
+ char hfpUnX:1; // HFP unnormalized extension facility
+ char etf2:1; // ETF2-enhancement facility
+ char stckf:1; // Store-clock-fast facility
+ char parse:1; // Parsing enhancement facility
+ char mvcos:1; // MVCOS facility
+ char todSteer:1; // TOD-clock steering facility
+ char etf3:1; // ETF3-enhancement facility
+ char xCPUtm:1; // Extract CPU time facility
+ char csst:1; // Compare-swap-and-store facility
+ char csst2:1; // Compare-swap-and-store facility 2
+ char giX:1; // General instructions extension facility
+ char exX:1; // Execute extensions facility
+ char ibm:1; // IBM internal use
+ char fps:1; // Floating point support enhancement
+ char dfp:1; // Decimal floating point facility
+ char hiDFP:1; // High Performance DFP facility
+ char pfpo:1; // PFPO instruction facility
+} __attribute__((aligned(8))) facilityList_t;
+
+// #define MONO_ARCH_SIGSEGV_ON_ALTSTACK 1
+#define MONO_ARCH_EMULATE_LCONV_TO_R8_UN 1
+#define MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS 1
+#define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS 1
+#define MONO_ARCH_HAVE_IS_INT_OVERFLOW 1
+#define MONO_ARCH_NEED_DIV_CHECK 1
+#define MONO_ARCH_HAVE_ATOMIC_ADD 1
+#define MONO_ARCH_HAVE_ATOMIC_EXCHANGE 1
+#define MONO_ARCH_SIGNAL_STACK_SIZE 256*1024
+#define MONO_ARCH_HAVE_DECOMPOSE_OPTS 1
+#define MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE 1
+#define MONO_ARCH_HAVE_IMT 1
+#define MONO_ARCH_HAVE_TLS_GET 1
+#define MONO_ARCH_ENABLE_MONO_LMF_VAR 1
+#define MONO_ARCH_IMT_REG s390_r9
+#define MONO_ARCH_VTABLE_REG MONO_ARCH_IMT_REG
+#define MONO_ARCH_RGCTX_REG MONO_ARCH_IMT_REG
+#define MONO_ARCH_THIS_AS_FIRST_ARG 1
+#define MONO_ARCH_HAVE_XP_UNWIND 1
+#define MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX 1
+#define MONO_ARCH_SOFT_DEBUG_SUPPORTED 1
+#define MONO_ARCH_HAVE_CONTEXT_SET_INT_REG 1
+#define MONO_ARCH_USE_SIGACTION 1
+#define MONO_ARCH_GC_MAPS_SUPPORTED 1
+#define MONO_ARCH_GSHARED_SUPPORTED 1
+#define MONO_ARCH_MONITOR_ENTER_ADJUSTMENT 1
#define S390_STACK_ALIGNMENT 8
#define S390_FIRST_ARG_REG s390_r2
#define S390_LAST_ARG_REG s390_r6
#define S390_FIRST_FPARG_REG s390_f0
-#define S390_LAST_FPARG_REG s390_f2
+#define S390_LAST_FPARG_REG s390_f6
#define S390_PASS_STRUCTS_BY_VALUE 1
#define S390_SMALL_RET_STRUCT_IN_REG 1
#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)
+#define S390_NUM_REG_FPARGS ((S390_LAST_FPARG_REG-S390_FIRST_FPARG_REG)/2)
+
+/*===============================================*/
+/* Definitions used by mini-codegen.c */
+/*===============================================*/
+
+/*------------------------------------------------------*/
+/* use s390_r2-s390_r6 as parm registers */
+/* s390_r0, s390_r1, s390_r12, s390_r13 used internally */
+/* s390_r8..s390_r11 are used for global regalloc */
+/* s390_r15 is the stack pointer */
+/*------------------------------------------------------*/
+
+#define MONO_ARCH_CALLEE_REGS (0xfc)
+
+#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 == 'g') ? s390_f0 : - 1))
-#define S390_OFFSET(b, t) (gint32) ((gint64) (b) - (gint64) (t))
-#define S390_RELATIVE(b, t) (gint32) ((((gint64) (b) - (gint64) (t))) / 2)
+#define MONO_ARCH_INST_IS_FLOAT(desc) ((desc == 'f') || (desc == 'g'))
-#define CODEPTR(c, o) (o) = (short *) ((gint64) c - 2)
-#define PTRSLOT(c, o) *(o) = (short) ((gint64) c - (gint64) (o) + 2)/2
+#define MONO_ARCH_INST_SREG2_MASK(ins) (0)
+
+#define MONO_ARCH_INST_IS_REGPAIR(desc) (0)
+#define MONO_ARCH_INST_REGPAIR_REG2(desc,hr) -1
+
+#define MONO_ARCH_IS_GLOBAL_IREG(reg) 0
+
+#define MONO_ARCH_FRAME_ALIGNMENT 8
+#define MONO_ARCH_CODE_ALIGNMENT 32
+
+#define MONO_ARCH_RETREG1 s390_r2
+
+/*-----------------------------------------------*/
+/* Macros used to generate instructions */
+/*-----------------------------------------------*/
+#define S390_OFFSET(b, t) (guchar *) ((guint64) (b) - (guint64) (t))
+#define S390_RELATIVE(b, t) (guchar *) ((((guint64) (b) - (guint64) (t))) / 2)
+
+#define CODEPTR(c, o) (o) = (short *) ((guint64) c - 2)
+#define PTRSLOT(c, o) *(o) = (short) ((guint64) c - (guint64) (o) + 2)/2
#define S390_CC_EQ 8
#define S390_ALIGN(v, a) (((a) > 0 ? (((v) + ((a) - 1)) & ~((a) - 1)) : (v)))
+#define MONO_INIT_CONTEXT_FROM_FUNC(ctx,func) do { \
+ MonoS390StackFrame *sframe; \
+ __asm__ volatile("lgr %0,15" : "=r" (sframe)); \
+ MONO_CONTEXT_SET_BP ((ctx), sframe->prev); \
+ MONO_CONTEXT_SET_SP ((ctx), sframe->prev); \
+ MONO_CONTEXT_SET_IP ((ctx), func); \
+ } while (0)
+
+#define MONO_ARCH_INIT_TOP_LMF_ENTRY(lmf) do { (lmf)->ebp = -1; } while (0)
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - s390_patch_rel */
+/* */
+/* Function - Patch the code with a given offset. */
+/* */
+/*------------------------------------------------------------------*/
+
static void inline
-s390_patch (guchar *code, gint32 target)
+s390_patch_rel (guchar *code, guint64 target)
{
- gint32 *offset = (gint32 *) code;
+ guint32 *offset = (guint32 *) code;
- if (target != 00) {
+ if (target != 0) {
+ *offset = (guint32) target;
+ }
+}
+
+/*========================= End of Function ========================*/
+
+/*------------------------------------------------------------------*/
+/* */
+/* Name - s390_patch_addr */
+/* */
+/* Function - Patch the code with a given address. */
+/* */
+/*------------------------------------------------------------------*/
+
+static void inline
+s390_patch_addr (guchar *code, guint64 target)
+{
+ guint64 *offset = (guint64 *) code;
+
+ if (target != 0) {
*offset = target;
}
}
-#endif /* __MONO_MINI_S390_H__ */
+/*========================= 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_lgr (code, s390_r13, frame_reg); \
+ \
+ lmfOffset = stack_usage - sizeof(MonoLMF); \
+ \
+ /*-------------------------------------------------*/ \
+ /* r13 = my lmf */ \
+ /*-------------------------------------------------*/ \
+ s390_aghi (code, s390_r13, lmfOffset); \
+ \
+ /*-------------------------------------------------*/ \
+ /* r6 = &jit_tls->lmf */ \
+ /*-------------------------------------------------*/ \
+ s390_lg (code, s390_r6, 0, s390_r13, \
+ G_STRUCT_OFFSET(MonoLMF, lmf_addr)); \
+ \
+ /*-------------------------------------------------*/ \
+ /* r0 = lmf.previous_lmf */ \
+ /*-------------------------------------------------*/ \
+ s390_lg (code, s390_r0, 0, s390_r13, \
+ G_STRUCT_OFFSET(MonoLMF, previous_lmf)); \
+ \
+ /*-------------------------------------------------*/ \
+ /* jit_tls->lmf = previous_lmf */ \
+ /*-------------------------------------------------*/ \
+ s390_lg (code, s390_r13, 0, s390_r6, 0); \
+ s390_stg (code, s390_r0, 0, s390_r6, 0); \
+} while (0)
+
+/*========================= End of Function ========================*/
+
+#endif /* __MONO_MINI_S390X_H__ */
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