mono/mini/mini-amd64.h

   1 #ifndef __MONO_MINI_AMD64_H__
   2 #define __MONO_MINI_AMD64_H__
   3
   4 #include <mono/arch/amd64/amd64-codegen.h>
   5 #include <mono/utils/mono-sigcontext.h>
   6 #include <mono/utils/mono-context.h>
   7 #include <glib.h>
   8
   9 #ifdef __native_client_codegen__
  10 #define kNaClAlignmentAMD64 32
  11 #define kNaClAlignmentMaskAMD64 (kNaClAlignmentAMD64 - 1)
  12
  13 /* TODO: use kamd64NaClLengthOfCallImm    */
  14 /* temporarily using kNaClAlignmentAMD64 so padding in */
  15 /* image-writer.c doesn't happen                       */
  16 #define kNaClLengthOfCallImm kNaClAlignmentAMD64
  17
  18 int is_nacl_call_reg_sequence(guint8* code);
  19 #endif
  20
  21 #ifdef HOST_WIN32
  22 #include <windows.h>
  23 /* use SIG* defines if possible */
  24 #ifdef HAVE_SIGNAL_H
  25 #include <signal.h>
  26 #endif
  27
  28
  29 /* sigcontext surrogate */
  30 struct sigcontext {
  31         guint64 eax;
  32         guint64 ebx;
  33         guint64 ecx;
  34         guint64 edx;
  35         guint64 ebp;
  36         guint64 esp;
  37     guint64 esi;
  38         guint64 edi;
  39         guint64 eip;
  40 };
  41
  42 typedef void (* MonoW32ExceptionHandler) (int _dummy, EXCEPTION_RECORD *info, void *context);
  43 void win32_seh_init(void);
  44 void win32_seh_cleanup(void);
  45 void win32_seh_set_handler(int type, MonoW32ExceptionHandler handler);
  46
  47 #ifndef SIGFPE
  48 #define SIGFPE 4
  49 #endif
  50
  51 #ifndef SIGILL
  52 #define SIGILL 8
  53 #endif
  54
  55 #ifndef SIGSEGV
  56 #define SIGSEGV 11
  57 #endif
  58
  59 LONG CALLBACK seh_handler(EXCEPTION_POINTERS* ep);
  60
  61 #endif /* HOST_WIN32 */
  62
  63 #ifdef sun    // Solaris x86
  64 #  undef SIGSEGV_ON_ALTSTACK
  65 #  define MONO_ARCH_NOMAP32BIT
  66
  67 struct sigcontext {
  68         unsigned short gs, __gsh;
  69         unsigned short fs, __fsh;
  70         unsigned short es, __esh;
  71         unsigned short ds, __dsh;
  72         unsigned long edi;
  73         unsigned long esi;
  74         unsigned long ebp;
  75         unsigned long esp;
  76         unsigned long ebx;
  77         unsigned long edx;
  78         unsigned long ecx;
  79         unsigned long eax;
  80         unsigned long trapno;
  81         unsigned long err;
  82         unsigned long eip;
  83         unsigned short cs, __csh;
  84         unsigned long eflags;
  85         unsigned long esp_at_signal;
  86         unsigned short ss, __ssh;
  87         unsigned long fpstate[95];
  88       unsigned long filler[5];
  89 };
  90 #endif  // sun, Solaris x86
  91
  92 #define MONO_ARCH_SUPPORT_SIMD_INTRINSICS 1
  93
  94 #ifndef DISABLE_SIMD
  95 #define MONO_ARCH_SIMD_INTRINSICS 1
  96 #define MONO_ARCH_NEED_SIMD_BANK 1
  97 #define MONO_ARCH_USE_SHARED_FP_SIMD_BANK 1
  98 #endif
  99
 100
 101
 102 #define MONO_ARCH_SIGNAL_STACK_SIZE (16 * 1024)
 103
 104 #define MONO_ARCH_HAVE_RESTORE_STACK_SUPPORT 1
 105
 106 #define MONO_ARCH_CPU_SPEC amd64_desc
 107
 108 #define MONO_MAX_IREGS 16
 109
 110 #define MONO_MAX_FREGS AMD64_XMM_NREG
 111
 112 #define MONO_ARCH_FP_RETURN_REG AMD64_XMM0
 113
 114 /* xmm15 is reserved for use by some opcodes */
 115 #define MONO_ARCH_CALLEE_FREGS 0x7fff
 116 #define MONO_ARCH_CALLEE_SAVED_FREGS 0
 117
 118 #define MONO_MAX_XREGS MONO_MAX_FREGS
 119
 120 #define MONO_ARCH_CALLEE_XREGS 0x7fff
 121 #define MONO_ARCH_CALLEE_SAVED_XREGS 0
 122
 123
 124 #define MONO_ARCH_CALLEE_REGS AMD64_CALLEE_REGS
 125 #define MONO_ARCH_CALLEE_SAVED_REGS AMD64_CALLEE_SAVED_REGS
 126
 127 #define MONO_ARCH_USE_FPSTACK FALSE
 128 #define MONO_ARCH_FPSTACK_SIZE 0
 129
 130 #define MONO_ARCH_INST_FIXED_REG(desc) ((desc == '\0') ? -1 : ((desc == 'i' ? -1 : ((desc == 'a') ? AMD64_RAX : ((desc == 's') ? AMD64_RCX : ((desc == 'd') ? AMD64_RDX : -1))))))
 131
 132 /* RDX is clobbered by the opcode implementation before accessing sreg2 */
 133 #define MONO_ARCH_INST_SREG2_MASK(ins) (((ins [MONO_INST_CLOB] == 'a') || (ins [MONO_INST_CLOB] == 'd')) ? (1 << AMD64_RDX) : 0)
 134
 135 #define MONO_ARCH_INST_IS_REGPAIR(desc) FALSE
 136 #define MONO_ARCH_INST_REGPAIR_REG2(desc,hreg1) (-1)
 137
 138 #define MONO_ARCH_FRAME_ALIGNMENT 16
 139
 140 /* fixme: align to 16byte instead of 32byte (we align to 32byte to get
 141  * reproduceable results for benchmarks */
 142 #define MONO_ARCH_CODE_ALIGNMENT 32
 143
 144 #define MONO_ARCH_RETREG1 X86_EAX
 145 #define MONO_ARCH_RETREG2 X86_EDX
 146
 147 /*This is the max size of the locals area of a given frame. I think 1MB is a safe default for now*/
 148 #define MONO_ARCH_MAX_FRAME_SIZE 0x100000
 149
 150 struct MonoLMF {
 151         /*
 152          * If the lowest bit is set to 1, then this LMF has the rip field set. Otherwise,
 153          * the rip field is not set, and the rsp field points to the stack location where
 154          * the caller ip is saved.
 155          * If the second lowest bit is set to 1, then this is a MonoLMFExt structure, and
 156          * the other fields are not valid.
 157          */
 158         gpointer    previous_lmf;
 159         gpointer    lmf_addr;
 160         /* This is only set in trampoline LMF frames */
 161         MonoMethod *method;
 162 #if defined(__default_codegen__) || defined(HOST_WIN32)
 163         guint64     rip;
 164 #elif defined(__native_client_codegen__)
 165         /* On 64-bit compilers, default alignment is 8 for this field, */
 166         /* this allows the structure to match for 32-bit compilers.    */
 167         guint64     rip __attribute__ ((aligned(8)));
 168 #endif
 169         guint64     rbx;
 170         guint64     rbp;
 171         guint64     rsp;
 172         guint64     r12;
 173         guint64     r13;
 174         guint64     r14;
 175         guint64     r15;
 176 #ifdef HOST_WIN32
 177         guint64     rdi;
 178         guint64     rsi;
 179 #endif
 180 };
 181
 182 typedef struct MonoCompileArch {
 183         gint32 localloc_offset;
 184         gint32 reg_save_area_offset;
 185         gint32 stack_alloc_size;
 186         gint32 sp_fp_offset;
 187         gboolean omit_fp, omit_fp_computed, no_pushes;
 188         gpointer cinfo;
 189         gint32 async_point_count;
 190         gpointer vret_addr_loc;
 191 #ifdef HOST_WIN32
 192         gpointer        unwindinfo;
 193 #endif
 194         gpointer ss_trigger_page_var;
 195         gpointer lmf_var;
 196 } MonoCompileArch;
 197
 198 #define MONO_CONTEXT_SET_LLVM_EXC_REG(ctx, exc) do { (ctx)->rax = (gsize)exc; } while (0)
 199
 200 #define MONO_ARCH_INIT_TOP_LMF_ENTRY(lmf)
 201
 202 #ifdef _MSC_VER
 203
 204 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx, start_func) do { \
 205     guint64 stackptr; \
 206         mono_arch_flush_register_windows (); \
 207         stackptr = ((guint64)_AddressOfReturnAddress () - sizeof (void*));\
 208         MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
 209         MONO_CONTEXT_SET_BP ((ctx), stackptr); \
 210         MONO_CONTEXT_SET_SP ((ctx), stackptr); \
 211 } while (0)
 212
 213 #else
 214
 215 /*
 216  * __builtin_frame_address () is broken on some older gcc versions in the presence of
 217  * frame pointer elimination, see bug #82095.
 218  */
 219 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do {        \
 220         int tmp; \
 221         guint64 stackptr = (guint64)&tmp; \
 222                 mono_arch_flush_register_windows ();    \
 223                 MONO_CONTEXT_SET_IP ((ctx), (start_func));      \
 224                 MONO_CONTEXT_SET_BP ((ctx), stackptr);  \
 225                 MONO_CONTEXT_SET_SP ((ctx), stackptr);  \
 226         } while (0)
 227
 228 #endif
 229
 230 /*
 231  * some icalls like mono_array_new_va needs to be called using a different
 232  * calling convention.
 233  */
 234 #define MONO_ARCH_VARARG_ICALLS 1
 235
 236 #if !defined( HOST_WIN32 ) && !defined(__native_client__) && !defined(__native_client_codegen__)
 237
 238 #define MONO_ARCH_USE_SIGACTION 1
 239
 240 #ifdef HAVE_WORKING_SIGALTSTACK
 241
 242 #define MONO_ARCH_SIGSEGV_ON_ALTSTACK
 243
 244 #endif
 245
 246 #endif /* !HOST_WIN32 && !__native_client__ */
 247
 248 #if defined (__APPLE__)
 249
 250 #define MONO_ARCH_NOMAP32BIT
 251
 252 #elif defined (__NetBSD__)
 253
 254 #define REG_RAX 14
 255 #define REG_RCX 3
 256 #define REG_RDX 2
 257 #define REG_RBX 13
 258 #define REG_RSP 24
 259 #define REG_RBP 12
 260 #define REG_RSI 1
 261 #define REG_RDI 0
 262 #define REG_R8 4
 263 #define REG_R9 5
 264 #define REG_R10 6
 265 #define REG_R11 7
 266 #define REG_R12 8
 267 #define REG_R13 9
 268 #define REG_R14 10
 269 #define REG_R15 11
 270 #define REG_RIP 21
 271
 272 #define MONO_ARCH_NOMAP32BIT
 273
 274 #elif defined (__OpenBSD__)
 275
 276 #define MONO_ARCH_NOMAP32BIT
 277
 278 #elif defined (__FreeBSD__)
 279
 280 #define REG_RAX 7
 281 #define REG_RCX 4
 282 #define REG_RDX 3
 283 #define REG_RBX 8
 284 #define REG_RSP 23
 285 #define REG_RBP 9
 286 #define REG_RSI 2
 287 #define REG_RDI 1
 288 #define REG_R8  5
 289 #define REG_R9  6
 290 #define REG_R10 10
 291 #define REG_R11 11
 292 #define REG_R12 12
 293 #define REG_R13 13
 294 #define REG_R14 14
 295 #define REG_R15 15
 296 #define REG_RIP 20
 297
 298 /*
 299  * FreeBSD does not have MAP_32BIT, so code allocated by the code manager might not have a
 300  * 32 bit address.
 301  */
 302 #define MONO_ARCH_NOMAP32BIT
 303
 304 #endif /* __FreeBSD__ */
 305
 306 #ifdef HOST_WIN32
 307 #define MONO_AMD64_ARG_REG1 AMD64_RCX
 308 #define MONO_AMD64_ARG_REG2 AMD64_RDX
 309 #else
 310 #define MONO_AMD64_ARG_REG1 AMD64_RDI
 311 #define MONO_AMD64_ARG_REG2 AMD64_RSI
 312 #endif
 313
 314 #define MONO_ARCH_NO_EMULATE_LONG_SHIFT_OPS
 315 #define MONO_ARCH_NO_EMULATE_LONG_MUL_OPTS
 316
 317 #define MONO_ARCH_EMULATE_CONV_R8_UN    1
 318 #define MONO_ARCH_EMULATE_FREM 1
 319 #define MONO_ARCH_HAVE_IS_INT_OVERFLOW 1
 320
 321 #define MONO_ARCH_ENABLE_REGALLOC_IN_EH_BLOCKS 1
 322 #define MONO_ARCH_ENABLE_MONO_LMF_VAR 1
 323 #define MONO_ARCH_HAVE_INVALIDATE_METHOD 1
 324 #define MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE 1
 325 #define MONO_ARCH_HAVE_ATOMIC_ADD 1
 326 #define MONO_ARCH_HAVE_ATOMIC_EXCHANGE 1
 327 #define MONO_ARCH_HAVE_ATOMIC_CAS 1
 328 #define MONO_ARCH_HAVE_FULL_AOT_TRAMPOLINES 1
 329 #define MONO_ARCH_HAVE_IMT 1
 330 #define MONO_ARCH_HAVE_TLS_GET (mono_amd64_have_tls_get ())
 331 #define MONO_ARCH_IMT_REG AMD64_R10
 332 #define MONO_ARCH_IMT_SCRATCH_REG AMD64_R11
 333 #define MONO_ARCH_VTABLE_REG MONO_AMD64_ARG_REG1
 334 /*
 335  * We use r10 for the imt/rgctx register rather than r11 because r11 is
 336  * used by the trampoline as a scratch register and hence might be
 337  * clobbered across method call boundaries.
 338  */
 339 #define MONO_ARCH_RGCTX_REG AMD64_R10
 340 #define MONO_ARCH_HAVE_CMOV_OPS 1
 341 #define MONO_ARCH_HAVE_NOTIFY_PENDING_EXC 1
 342 #define MONO_ARCH_HAVE_EXCEPTIONS_INIT 1
 343 #define MONO_ARCH_ENABLE_GLOBAL_RA 1
 344 #define MONO_ARCH_HAVE_GENERALIZED_IMT_THUNK 1
 345 #define MONO_ARCH_HAVE_LIVERANGE_OPS 1
 346 #define MONO_ARCH_HAVE_XP_UNWIND 1
 347 #define MONO_ARCH_HAVE_SIGCTX_TO_MONOCTX 1
 348 #if !defined(HOST_WIN32)
 349 #define MONO_ARCH_MONITOR_OBJECT_REG MONO_AMD64_ARG_REG1
 350 #endif
 351 #define MONO_ARCH_HAVE_STATIC_RGCTX_TRAMPOLINE 1
 352 #define MONO_ARCH_HAVE_GET_TRAMPOLINES 1
 353
 354 #define MONO_ARCH_AOT_SUPPORTED 1
 355 #if !defined( HOST_WIN32 ) && !defined( __native_client__ )
 356 #define MONO_ARCH_SOFT_DEBUG_SUPPORTED 1
 357 #else
 358 #define DISABLE_DEBUGGER_AGENT 1
 359 #endif
 360
 361 #if !defined(HOST_WIN32) || defined(__sun)
 362 #define MONO_ARCH_ENABLE_MONITOR_IL_FASTPATH 1
 363 #endif
 364
 365 #define MONO_ARCH_SUPPORT_TASKLETS 1
 366
 367 #ifndef HOST_WIN32
 368 #define MONO_AMD64_NO_PUSHES 1
 369 #endif
 370
 371 #define MONO_ARCH_GSHARED_SUPPORTED 1
 372 #define MONO_ARCH_DYN_CALL_SUPPORTED 1
 373 #define MONO_ARCH_DYN_CALL_PARAM_AREA 0
 374
 375 #define MONO_ARCH_HAVE_LLVM_IMT_TRAMPOLINE 1
 376 #define MONO_ARCH_LLVM_SUPPORTED 1
 377 #define MONO_ARCH_THIS_AS_FIRST_ARG 1
 378 #define MONO_ARCH_HAVE_HANDLER_BLOCK_GUARD 1
 379 #define MONO_ARCH_HAVE_CARD_TABLE_WBARRIER 1
 380 #define MONO_ARCH_HAVE_SETUP_RESUME_FROM_SIGNAL_HANDLER_CTX 1
 381 #define MONO_ARCH_GC_MAPS_SUPPORTED 1
 382
 383 gboolean
 384 mono_amd64_tail_call_supported (MonoMethodSignature *caller_sig, MonoMethodSignature *callee_sig) MONO_INTERNAL;
 385
 386 #define MONO_ARCH_USE_OP_TAIL_CALL(caller_sig, callee_sig) mono_amd64_tail_call_supported (caller_sig, callee_sig)
 387
 388 /* Used for optimization, not complete */
 389 #define MONO_ARCH_IS_OP_MEMBASE(opcode) ((opcode) == OP_X86_PUSH_MEMBASE)
 390
 391 #define MONO_ARCH_EMIT_BOUNDS_CHECK(cfg, array_reg, offset, index_reg) do { \
 392             MonoInst *inst; \
 393             MONO_INST_NEW ((cfg), inst, OP_AMD64_ICOMPARE_MEMBASE_REG); \
 394             inst->inst_basereg = array_reg; \
 395             inst->inst_offset = offset; \
 396             inst->sreg2 = index_reg; \
 397             MONO_ADD_INS ((cfg)->cbb, inst); \
 398             MONO_EMIT_NEW_COND_EXC (cfg, LE_UN, "IndexOutOfRangeException"); \
 399        } while (0)
 400
 401 void
 402 mono_amd64_patch (unsigned char* code, gpointer target) MONO_INTERNAL;
 403
 404 void
 405 mono_amd64_throw_exception (guint64 dummy1, guint64 dummy2, guint64 dummy3, guint64 dummy4,
 406                                                         guint64 dummy5, guint64 dummy6,
 407                                                         mgreg_t *regs, mgreg_t rip,
 408                                                         MonoObject *exc, gboolean rethrow) MONO_INTERNAL;
 409
 410 void
 411 mono_amd64_throw_corlib_exception (guint64 dummy1, guint64 dummy2, guint64 dummy3, guint64 dummy4,
 412                                                                    guint64 dummy5, guint64 dummy6,
 413                                                                    mgreg_t *regs, mgreg_t rip,
 414                                                                    guint32 ex_token_index, gint64 pc_offset) MONO_INTERNAL;
 415
 416 guint64
 417 mono_amd64_get_original_ip (void) MONO_INTERNAL;
 418
 419 guint8*
 420 mono_amd64_emit_tls_get (guint8* code, int dreg, int tls_offset) MONO_INTERNAL;
 421
 422 gboolean
 423 mono_amd64_have_tls_get (void) MONO_INTERNAL;
 424
 425 GSList*
 426 mono_amd64_get_exception_trampolines (gboolean aot) MONO_INTERNAL;
 427
 428 typedef struct {
 429         guint8 *address;
 430         guint8 saved_byte;
 431 } MonoBreakpointInfo;
 432
 433 extern MonoBreakpointInfo mono_breakpoint_info [MONO_BREAKPOINT_ARRAY_SIZE];
 434
 435 #ifdef HOST_WIN32
 436
 437 void mono_arch_unwindinfo_add_push_nonvol (gpointer* monoui, gpointer codebegin, gpointer nextip, guchar reg );
 438 void mono_arch_unwindinfo_add_set_fpreg (gpointer* monoui, gpointer codebegin, gpointer nextip, guchar reg );
 439 void mono_arch_unwindinfo_add_alloc_stack (gpointer* monoui, gpointer codebegin, gpointer nextip, guint size );
 440 guint mono_arch_unwindinfo_get_size (gpointer monoui);
 441 void mono_arch_unwindinfo_install_unwind_info (gpointer* monoui, gpointer code, guint code_size);
 442
 443 #define MONO_ARCH_HAVE_UNWIND_TABLE 1
 444 #endif
 445
 446 #endif /* __MONO_MINI_AMD64_H__ */
 447