/** * \file */ #ifndef __MONO_MINI_S390X_H__ #define __MONO_MINI_S390X_H__ #include #include #include #define MONO_ARCH_CPU_SPEC mono_s390x_cpu_desc #define MONO_MAX_IREGS 16 #define MONO_MAX_FREGS 16 /*-------------------------------------------*/ /* Parameters used by the register allocator */ /*-------------------------------------------*/ struct MonoLMF { gpointer previous_lmf; gpointer lmf_addr; MonoMethod *method; gulong ebp; gulong eip; gulong pregs[6]; gulong gregs[16]; gdouble fregs[16]; }; typedef struct MonoCompileArch { gpointer litpool; glong litsize; int bkchain_reg; } MonoCompileArch; typedef struct { void *prev; void *unused[5]; void *regs[8]; void *return_address; } MonoS390StackFrame; // #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_SIGNAL_STACK_SIZE 256*1024 #define MONO_ARCH_HAVE_DECOMPOSE_OPTS 1 #define MONO_ARCH_IMT_REG s390_r9 #define MONO_ARCH_VTABLE_REG S390_FIRST_ARG_REG #define MONO_ARCH_RGCTX_REG MONO_ARCH_IMT_REG #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 MONO_ARCH_HAVE_INVALIDATE_METHOD 1 #define MONO_ARCH_HAVE_OP_GENERIC_CLASS_INIT 1 #define MONO_ARCH_HAVE_SETUP_ASYNC_CALLBACK 1 #define MONO_ARCH_HAVE_INIT_LMF_EXT 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_f6 /*===============================================*/ /* 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_r10 are used for global regalloc */ /* -- except for s390_r9 which is used as IMT pointer */ /* s390_r11 is sometimes used as the frame pointer */ /* s390_r15 is the stack pointer */ /*------------------------------------------------------*/ #define MONO_ARCH_CALLEE_REGS (0x00fc) #define MONO_ARCH_CALLEE_SAVED_REGS 0xfd00 /*----------------------------------------*/ /* 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 : \ ((desc == 'A') ? S390_FIRST_ARG_REG : -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) (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 /*-----------------------------------------------*/ /* SIMD Related Definitions */ /*-----------------------------------------------*/ #define MONO_MAX_XREGS 31 #define MONO_ARCH_CALLEE_XREGS 0x0 #define MONO_ARCH_CALLEE_SAVED_XREGS 0x0 /*-----------------------------------------------*/ /* 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_rel (guchar *code, guint64 target) { guint32 *offset = (guint32 *) code; 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; } } /*========================= 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__ */