4 * Copyright 2013 Xamarin Inc
8 * Copyright 2011 Xamarin Inc
9 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
12 #ifndef __MONO_MINI_ARM64_H__
13 #define __MONO_MINI_ARM64_H__
15 #include <mono/arch/arm64/arm64-codegen.h>
16 #include <mono/mini/mini-arm64-gsharedvt.h>
18 #define MONO_ARCH_CPU_SPEC mono_arm64_cpu_desc
20 #define MONO_MAX_IREGS 32
21 #define MONO_MAX_FREGS 32
23 #define MONO_CONTEXT_SET_LLVM_EXC_REG(ctx, exc) do { (ctx)->regs [0] = (gsize)exc; } while (0)
25 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,func) do { \
26 MONO_CONTEXT_SET_BP ((ctx), __builtin_frame_address (0)); \
27 MONO_CONTEXT_SET_SP ((ctx), __builtin_frame_address (0)); \
28 MONO_CONTEXT_SET_IP ((ctx), (func)); \
31 #define MONO_ARCH_INIT_TOP_LMF_ENTRY(lmf)
33 /* Parameters used by the register allocator */
34 /* r0..r7, r9..r14 (r15 is the imt/rgctx reg) */
35 #define MONO_ARCH_CALLEE_REGS 0xfeff
37 #define MONO_ARCH_CALLEE_SAVED_REGS (0x3ff << 19)
39 /* v16/v17 is reserved for a scratch reg */
40 #define MONO_ARCH_CALLEE_FREGS 0xfffc00ff
42 #define MONO_ARCH_CALLEE_SAVED_FREGS 0xff00
44 #define MONO_ARCH_USE_FPSTACK FALSE
45 #define MONO_ARCH_FPSTACK_SIZE 0
47 #define MONO_ARCH_INST_SREG2_MASK(ins) (0)
49 #define MONO_ARCH_INST_FIXED_REG(desc) ((desc) == 'a' ? ARMREG_R0 : -1)
51 #define MONO_ARCH_INST_IS_REGPAIR(desc) (0)
53 #define MONO_ARCH_INST_IS_FLOAT(desc) ((desc) == 'f')
55 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (-1)
57 #define MONO_ARCH_USE_FPSTACK FALSE
59 #define MONO_ARCH_FRAME_ALIGNMENT 16
61 #define MONO_ARCH_CODE_ALIGNMENT 32
63 /* callee saved regs + fp + sp */
64 #define MONO_ARCH_LMF_REGS ((0x3ff << 19) | (1 << ARMREG_FP) | (1 << ARMREG_SP))
65 #define MONO_ARCH_NUM_LMF_REGS (10 + 2)
66 #define MONO_ARCH_FIRST_LMF_REG ARMREG_R19
67 #define MONO_ARCH_LMF_REG_FP 10
68 #define MONO_ARCH_LMF_REG_SP 11
72 * If the second lowest bit is set to 1, then this is a MonoLMFExt structure, and
73 * the other fields are not valid.
75 gpointer previous_lmf;
78 mgreg_t gregs [MONO_ARCH_NUM_LMF_REGS];
81 /* Structure used by the sequence points in AOTed code */
83 gpointer ss_trigger_page;
84 gpointer bp_trigger_page;
85 gpointer ss_tramp_addr;
86 guint8* bp_addrs [MONO_ZERO_LEN_ARRAY];
90 #define FP_PARAM_REGS 8
92 #define DYN_CALL_STACK_ARGS 6
95 /* The +1 is for r8 */
96 mgreg_t regs [PARAM_REGS + 1 + DYN_CALL_STACK_ARGS];
99 double fpregs [FP_PARAM_REGS];
100 int n_fpargs, n_fpret;
106 int saved_gregs_offset;
107 /* Points to arguments received on the stack */
109 gboolean cond_branch_islands;
110 gpointer vret_addr_loc;
111 gpointer seq_point_info_var;
112 gpointer ss_tramp_var;
113 gpointer bp_tramp_var;
118 #define MONO_ARCH_EMULATE_FREM 1
119 #define MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS 1
120 #define MONO_ARCH_EMULATE_LONG_MUL_OVF_OPTS 1
121 #define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS 1
122 #define MONO_ARCH_NEED_DIV_CHECK 1
123 #define MONO_ARCH_EMULATE_MUL_OVF 1
124 #define MONO_ARCH_HAVE_IMT 1
125 #define MONO_ARCH_HAVE_OP_TAIL_CALL 1
126 #define MONO_ARCH_THIS_AS_FIRST_ARG 1
127 #define MONO_ARCH_RGCTX_REG ARMREG_R15
128 #define MONO_ARCH_IMT_REG MONO_ARCH_RGCTX_REG
129 #define MONO_ARCH_VTABLE_REG ARMREG_R0
130 #define MONO_ARCH_EXC_REG ARMREG_R0
131 #define MONO_ARCH_HAVE_XP_UNWIND 1
132 #define MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE 1
133 #define MONO_ARCH_HAVE_GENERALIZED_IMT_TRAMPOLINE 1
134 #define MONO_ARCH_USE_SIGACTION 1
135 #define MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX 1
136 #define MONO_ARCH_HAVE_CONTEXT_SET_INT_REG 1
137 #define MONO_ARCH_GSHARED_SUPPORTED 1
138 #define MONO_ARCH_AOT_SUPPORTED 1
139 #define MONO_ARCH_LLVM_SUPPORTED 1
140 #define MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES 1
141 #define MONO_ARCH_HAVE_EXCEPTIONS_INIT 1
142 #define MONO_ARCH_HAVE_GET_TRAMPOLINES 1
143 #define MONO_ARCH_DYN_CALL_SUPPORTED 1
144 #define MONO_ARCH_DYN_CALL_PARAM_AREA (DYN_CALL_STACK_ARGS * 8)
145 #define MONO_ARCH_SOFT_DEBUG_SUPPORTED 1
146 #define MONO_ARCH_GSHAREDVT_SUPPORTED 1
147 #define MONO_ARCH_HAVE_SETUP_RESUME_FROM_SIGNAL_HANDLER_CTX 1
148 #define MONO_ARCH_HAVE_SETUP_ASYNC_CALLBACK 1
149 #define MONO_ARCH_HAVE_GENERAL_RGCTX_LAZY_FETCH_TRAMPOLINE 1
150 #define MONO_ARCH_HAVE_OP_GET_EX_OBJ 1
151 #define MONO_ARCH_HAVE_OBJC_GET_SELECTOR 1
152 #define MONO_ARCH_HAVE_SDB_TRAMPOLINES 1
153 #define MONO_ARCH_HAVE_PATCH_CODE_NEW 1
154 #define MONO_ARCH_HAVE_OP_GENERIC_CLASS_INIT 1
155 #define MONO_ARCH_HAVE_OPCODE_NEEDS_EMULATION 1
156 #define MONO_ARCH_HAVE_DECOMPOSE_LONG_OPTS 1
157 #define MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD 1
158 #define MONO_ARCH_HAVE_INIT_LMF_EXT 1
160 #define MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD_AOT 1
165 #define MONO_ARCH_REDZONE_SIZE 128
169 #define MONO_ARCH_REDZONE_SIZE 0
173 #if defined(TARGET_APPLETVOS) || defined(TARGET_IOS)
174 #define MONO_ARCH_HAVE_UNWIND_BACKTRACE 1
178 #define MONO_R_ARM64_B 1
179 #define MONO_R_ARM64_BCC 2
180 #define MONO_R_ARM64_IMM 3
181 #define MONO_R_ARM64_BL 4
182 #define MONO_R_ARM64_BL_SHORT 5
183 #define MONO_R_ARM64_CBZ 6
194 * Vtype passed in consecutive int registers.
195 * ainfo->reg is the firs register,
196 * ainfo->nregs is the number of registers,
197 * ainfo->size is the size of the structure.
201 ArgVtypeByRefOnStack,
212 /* ArgVtypeInIRegs/ArgHFA */
217 /* The offsets of the float values inside the arg */
218 guint16 foffsets [4];
230 int gr, fr, stack_usage;
238 guint8* mono_arm_emit_imm64 (guint8 *code, int dreg, gint64 imm);
240 guint8* mono_arm_emit_ldrx (guint8 *code, int rt, int rn, int imm);
242 guint8* mono_arm_emit_destroy_frame (guint8 *code, int stack_offset, guint64 temp_regs);
244 guint8* mono_arm_emit_store_regset (guint8 *code, guint64 regs, int basereg, int offset);
246 guint8* mono_arm_emit_store_regarray (guint8 *code, guint64 regs, int basereg, int offset);
248 guint8* mono_arm_emit_load_regarray (guint8 *code, guint64 regs, int basereg, int offset);
250 /* MonoJumpInfo **ji */
251 guint8* mono_arm_emit_aotconst (gpointer ji, guint8 *code, guint8 *code_start, int dreg, guint32 patch_type, gconstpointer data);
253 void mono_arm_patch (guint8 *code, guint8 *target, int relocation);
255 void mono_arm_throw_exception (gpointer arg, mgreg_t pc, mgreg_t *int_regs, gdouble *fp_regs, gboolean corlib, gboolean rethrow);
257 void mono_arm_gsharedvt_init (void);
259 GSList* mono_arm_get_exception_trampolines (gboolean aot);
261 void mono_arm_resume_unwind (gpointer arg, mgreg_t pc, mgreg_t *int_regs, gdouble *fp_regs, gboolean corlib, gboolean rethrow);
263 gpointer mono_arm_handler_block_trampoline_helper (gpointer *ptr);
265 CallInfo* mono_arch_get_call_info (MonoMemPool *mp, MonoMethodSignature *sig);
267 #endif /* __MONO_MINI_ARM64_H__ */