1 //===-- DNBArchImplI386.cpp -------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Created by Greg Clayton on 6/25/07.
12 //===----------------------------------------------------------------------===//
14 #if defined (__i386__) || defined (__x86_64__)
16 #include <sys/cdefs.h>
18 #include "MacOSX/i386/DNBArchImplI386.h"
20 #include "MachThread.h"
21 #include "MachProcess.h"
23 extern "C" bool CPUHasAVX(); // Defined over in DNBArchImplX86_64.cpp
25 #if defined (LLDB_DEBUGSERVER_RELEASE) || defined (LLDB_DEBUGSERVER_DEBUG)
32 static debugState sFPUDebugState = debugStateUnknown;
33 static debugState sAVXForceState = debugStateUnknown;
35 static bool DebugFPURegs ()
37 if (sFPUDebugState == debugStateUnknown)
39 if (getenv("DNB_DEBUG_FPU_REGS"))
40 sFPUDebugState = debugStateOn;
42 sFPUDebugState = debugStateOff;
45 return (sFPUDebugState == debugStateOn);
48 static bool ForceAVXRegs ()
50 if (sFPUDebugState == debugStateUnknown)
52 if (getenv("DNB_DEBUG_X86_FORCE_AVX_REGS"))
53 sAVXForceState = debugStateOn;
55 sAVXForceState = debugStateOff;
58 return (sAVXForceState == debugStateOn);
61 #define DEBUG_FPU_REGS (DebugFPURegs())
62 #define FORCE_AVX_REGS (ForceAVXRegs())
64 #define DEBUG_FPU_REGS (0)
65 #define FORCE_AVX_REGS (0)
171 // On i386 Darwin the eh_frame register numbers for ebp and esp are reversed from DWARF.
172 // It's due to an ancient compiler bug in the output of the eh_frame.
173 // Specifically, on i386 darwin eh_frame, 4 is ebp, 5 is esp.
174 // On i386 darwin debug_frame (and debug_info), 4 is esp, 5 is ebp.
211 dwarf_ymm0 = dwarf_xmm0,
212 dwarf_ymm1 = dwarf_xmm1,
213 dwarf_ymm2 = dwarf_xmm2,
214 dwarf_ymm3 = dwarf_xmm3,
215 dwarf_ymm4 = dwarf_xmm4,
216 dwarf_ymm5 = dwarf_xmm5,
217 dwarf_ymm6 = dwarf_xmm6,
218 dwarf_ymm7 = dwarf_xmm7,
232 debugserver_eflags = 9,
239 debugserver_stmm0 = 16,
240 debugserver_stmm1 = 17,
241 debugserver_stmm2 = 18,
242 debugserver_stmm3 = 19,
243 debugserver_stmm4 = 20,
244 debugserver_stmm5 = 21,
245 debugserver_stmm6 = 22,
246 debugserver_stmm7 = 23,
247 debugserver_fctrl = 24, debugserver_fcw = debugserver_fctrl,
248 debugserver_fstat = 25, debugserver_fsw = debugserver_fstat,
249 debugserver_ftag = 26, debugserver_ftw = debugserver_ftag,
250 debugserver_fiseg = 27, debugserver_fpu_cs = debugserver_fiseg,
251 debugserver_fioff = 28, debugserver_ip = debugserver_fioff,
252 debugserver_foseg = 29, debugserver_fpu_ds = debugserver_foseg,
253 debugserver_fooff = 30, debugserver_dp = debugserver_fooff,
254 debugserver_fop = 31,
255 debugserver_xmm0 = 32,
256 debugserver_xmm1 = 33,
257 debugserver_xmm2 = 34,
258 debugserver_xmm3 = 35,
259 debugserver_xmm4 = 36,
260 debugserver_xmm5 = 37,
261 debugserver_xmm6 = 38,
262 debugserver_xmm7 = 39,
263 debugserver_mxcsr = 40,
264 debugserver_mm0 = 41,
265 debugserver_mm1 = 42,
266 debugserver_mm2 = 43,
267 debugserver_mm3 = 44,
268 debugserver_mm4 = 45,
269 debugserver_mm5 = 46,
270 debugserver_mm6 = 47,
271 debugserver_mm7 = 48,
272 debugserver_ymm0 = debugserver_xmm0,
273 debugserver_ymm1 = debugserver_xmm1,
274 debugserver_ymm2 = debugserver_xmm2,
275 debugserver_ymm3 = debugserver_xmm3,
276 debugserver_ymm4 = debugserver_xmm4,
277 debugserver_ymm5 = debugserver_xmm5,
278 debugserver_ymm6 = debugserver_xmm6,
279 debugserver_ymm7 = debugserver_xmm7
283 DNBArchImplI386::GetPC(uint64_t failValue)
285 // Get program counter
286 if (GetGPRState(false) == KERN_SUCCESS)
287 return m_state.context.gpr.__eip;
292 DNBArchImplI386::SetPC(uint64_t value)
294 // Get program counter
295 kern_return_t err = GetGPRState(false);
296 if (err == KERN_SUCCESS)
298 m_state.context.gpr.__eip = static_cast<uint32_t>(value);
301 return err == KERN_SUCCESS;
305 DNBArchImplI386::GetSP(uint64_t failValue)
308 if (GetGPRState(false) == KERN_SUCCESS)
309 return m_state.context.gpr.__esp;
313 // Uncomment the value below to verify the values in the debugger.
314 //#define DEBUG_GPR_VALUES 1 // DO NOT CHECK IN WITH THIS DEFINE ENABLED
315 //#define SET_GPR(reg) m_state.context.gpr.__##reg = gpr_##reg
318 DNBArchImplI386::GetGPRState(bool force)
320 if (force || m_state.GetError(e_regSetGPR, Read))
339 m_state.SetError(e_regSetGPR, Read, 0);
341 mach_msg_type_number_t count = e_regSetWordSizeGPR;
342 m_state.SetError(e_regSetGPR, Read, ::thread_get_state(m_thread->MachPortNumber(), __i386_THREAD_STATE, (thread_state_t)&m_state.context.gpr, &count));
345 return m_state.GetError(e_regSetGPR, Read);
348 // Uncomment the value below to verify the values in the debugger.
349 //#define DEBUG_FPU_VALUES 1 // DO NOT CHECK IN WITH THIS DEFINE ENABLED
352 DNBArchImplI386::GetFPUState(bool force)
354 if (force || m_state.GetError(e_regSetFPU, Read))
358 if (CPUHasAVX() || FORCE_AVX_REGS)
360 m_state.context.fpu.avx.__fpu_reserved[0] = -1;
361 m_state.context.fpu.avx.__fpu_reserved[1] = -1;
362 *(uint16_t *)&(m_state.context.fpu.avx.__fpu_fcw) = 0x1234;
363 *(uint16_t *)&(m_state.context.fpu.avx.__fpu_fsw) = 0x5678;
364 m_state.context.fpu.avx.__fpu_ftw = 1;
365 m_state.context.fpu.avx.__fpu_rsrv1 = UINT8_MAX;
366 m_state.context.fpu.avx.__fpu_fop = 2;
367 m_state.context.fpu.avx.__fpu_ip = 3;
368 m_state.context.fpu.avx.__fpu_cs = 4;
369 m_state.context.fpu.avx.__fpu_rsrv2 = 5;
370 m_state.context.fpu.avx.__fpu_dp = 6;
371 m_state.context.fpu.avx.__fpu_ds = 7;
372 m_state.context.fpu.avx.__fpu_rsrv3 = UINT16_MAX;
373 m_state.context.fpu.avx.__fpu_mxcsr = 8;
374 m_state.context.fpu.avx.__fpu_mxcsrmask = 9;
380 m_state.context.fpu.avx.__fpu_stmm0.__mmst_reg[i] = 'a';
381 m_state.context.fpu.avx.__fpu_stmm1.__mmst_reg[i] = 'b';
382 m_state.context.fpu.avx.__fpu_stmm2.__mmst_reg[i] = 'c';
383 m_state.context.fpu.avx.__fpu_stmm3.__mmst_reg[i] = 'd';
384 m_state.context.fpu.avx.__fpu_stmm4.__mmst_reg[i] = 'e';
385 m_state.context.fpu.avx.__fpu_stmm5.__mmst_reg[i] = 'f';
386 m_state.context.fpu.avx.__fpu_stmm6.__mmst_reg[i] = 'g';
387 m_state.context.fpu.avx.__fpu_stmm7.__mmst_reg[i] = 'h';
391 m_state.context.fpu.avx.__fpu_stmm0.__mmst_reg[i] = INT8_MIN;
392 m_state.context.fpu.avx.__fpu_stmm1.__mmst_reg[i] = INT8_MIN;
393 m_state.context.fpu.avx.__fpu_stmm2.__mmst_reg[i] = INT8_MIN;
394 m_state.context.fpu.avx.__fpu_stmm3.__mmst_reg[i] = INT8_MIN;
395 m_state.context.fpu.avx.__fpu_stmm4.__mmst_reg[i] = INT8_MIN;
396 m_state.context.fpu.avx.__fpu_stmm5.__mmst_reg[i] = INT8_MIN;
397 m_state.context.fpu.avx.__fpu_stmm6.__mmst_reg[i] = INT8_MIN;
398 m_state.context.fpu.avx.__fpu_stmm7.__mmst_reg[i] = INT8_MIN;
401 m_state.context.fpu.avx.__fpu_xmm0.__xmm_reg[i] = '0';
402 m_state.context.fpu.avx.__fpu_xmm1.__xmm_reg[i] = '1';
403 m_state.context.fpu.avx.__fpu_xmm2.__xmm_reg[i] = '2';
404 m_state.context.fpu.avx.__fpu_xmm3.__xmm_reg[i] = '3';
405 m_state.context.fpu.avx.__fpu_xmm4.__xmm_reg[i] = '4';
406 m_state.context.fpu.avx.__fpu_xmm5.__xmm_reg[i] = '5';
407 m_state.context.fpu.avx.__fpu_xmm6.__xmm_reg[i] = '6';
408 m_state.context.fpu.avx.__fpu_xmm7.__xmm_reg[i] = '7';
410 for (i=0; i<sizeof(m_state.context.fpu.avx.__fpu_rsrv4); ++i)
411 m_state.context.fpu.avx.__fpu_rsrv4[i] = INT8_MIN;
412 m_state.context.fpu.avx.__fpu_reserved1 = -1;
413 for (i=0; i<sizeof(m_state.context.fpu.avx.__avx_reserved1); ++i)
414 m_state.context.fpu.avx.__avx_reserved1[i] = INT8_MIN;
416 for (i = 0; i < 16; ++i)
418 m_state.context.fpu.avx.__fpu_ymmh0.__xmm_reg[i] = '0';
419 m_state.context.fpu.avx.__fpu_ymmh1.__xmm_reg[i] = '1';
420 m_state.context.fpu.avx.__fpu_ymmh2.__xmm_reg[i] = '2';
421 m_state.context.fpu.avx.__fpu_ymmh3.__xmm_reg[i] = '3';
422 m_state.context.fpu.avx.__fpu_ymmh4.__xmm_reg[i] = '4';
423 m_state.context.fpu.avx.__fpu_ymmh5.__xmm_reg[i] = '5';
424 m_state.context.fpu.avx.__fpu_ymmh6.__xmm_reg[i] = '6';
425 m_state.context.fpu.avx.__fpu_ymmh7.__xmm_reg[i] = '7';
430 m_state.context.fpu.no_avx.__fpu_reserved[0] = -1;
431 m_state.context.fpu.no_avx.__fpu_reserved[1] = -1;
432 *(uint16_t *)&(m_state.context.fpu.no_avx.__fpu_fcw) = 0x1234;
433 *(uint16_t *)&(m_state.context.fpu.no_avx.__fpu_fsw) = 0x5678;
434 m_state.context.fpu.no_avx.__fpu_ftw = 1;
435 m_state.context.fpu.no_avx.__fpu_rsrv1 = UINT8_MAX;
436 m_state.context.fpu.no_avx.__fpu_fop = 2;
437 m_state.context.fpu.no_avx.__fpu_ip = 3;
438 m_state.context.fpu.no_avx.__fpu_cs = 4;
439 m_state.context.fpu.no_avx.__fpu_rsrv2 = 5;
440 m_state.context.fpu.no_avx.__fpu_dp = 6;
441 m_state.context.fpu.no_avx.__fpu_ds = 7;
442 m_state.context.fpu.no_avx.__fpu_rsrv3 = UINT16_MAX;
443 m_state.context.fpu.no_avx.__fpu_mxcsr = 8;
444 m_state.context.fpu.no_avx.__fpu_mxcsrmask = 9;
450 m_state.context.fpu.no_avx.__fpu_stmm0.__mmst_reg[i] = 'a';
451 m_state.context.fpu.no_avx.__fpu_stmm1.__mmst_reg[i] = 'b';
452 m_state.context.fpu.no_avx.__fpu_stmm2.__mmst_reg[i] = 'c';
453 m_state.context.fpu.no_avx.__fpu_stmm3.__mmst_reg[i] = 'd';
454 m_state.context.fpu.no_avx.__fpu_stmm4.__mmst_reg[i] = 'e';
455 m_state.context.fpu.no_avx.__fpu_stmm5.__mmst_reg[i] = 'f';
456 m_state.context.fpu.no_avx.__fpu_stmm6.__mmst_reg[i] = 'g';
457 m_state.context.fpu.no_avx.__fpu_stmm7.__mmst_reg[i] = 'h';
461 m_state.context.fpu.no_avx.__fpu_stmm0.__mmst_reg[i] = INT8_MIN;
462 m_state.context.fpu.no_avx.__fpu_stmm1.__mmst_reg[i] = INT8_MIN;
463 m_state.context.fpu.no_avx.__fpu_stmm2.__mmst_reg[i] = INT8_MIN;
464 m_state.context.fpu.no_avx.__fpu_stmm3.__mmst_reg[i] = INT8_MIN;
465 m_state.context.fpu.no_avx.__fpu_stmm4.__mmst_reg[i] = INT8_MIN;
466 m_state.context.fpu.no_avx.__fpu_stmm5.__mmst_reg[i] = INT8_MIN;
467 m_state.context.fpu.no_avx.__fpu_stmm6.__mmst_reg[i] = INT8_MIN;
468 m_state.context.fpu.no_avx.__fpu_stmm7.__mmst_reg[i] = INT8_MIN;
471 m_state.context.fpu.no_avx.__fpu_xmm0.__xmm_reg[i] = '0';
472 m_state.context.fpu.no_avx.__fpu_xmm1.__xmm_reg[i] = '1';
473 m_state.context.fpu.no_avx.__fpu_xmm2.__xmm_reg[i] = '2';
474 m_state.context.fpu.no_avx.__fpu_xmm3.__xmm_reg[i] = '3';
475 m_state.context.fpu.no_avx.__fpu_xmm4.__xmm_reg[i] = '4';
476 m_state.context.fpu.no_avx.__fpu_xmm5.__xmm_reg[i] = '5';
477 m_state.context.fpu.no_avx.__fpu_xmm6.__xmm_reg[i] = '6';
478 m_state.context.fpu.no_avx.__fpu_xmm7.__xmm_reg[i] = '7';
480 for (i=0; i<sizeof(m_state.context.fpu.avx.__fpu_rsrv4); ++i)
481 m_state.context.fpu.no_avx.__fpu_rsrv4[i] = INT8_MIN;
482 m_state.context.fpu.no_avx.__fpu_reserved1 = -1;
484 m_state.SetError(e_regSetFPU, Read, 0);
488 if (CPUHasAVX() || FORCE_AVX_REGS)
490 mach_msg_type_number_t count = e_regSetWordSizeAVX;
491 m_state.SetError (e_regSetFPU, Read, ::thread_get_state(m_thread->MachPortNumber(), __i386_AVX_STATE, (thread_state_t)&m_state.context.fpu.avx, &count));
492 DNBLogThreadedIf (LOG_THREAD, "::thread_get_state (0x%4.4x, %u, &avx, %u (%u passed in)) => 0x%8.8x",
493 m_thread->MachPortNumber(), __i386_AVX_STATE, count, e_regSetWordSizeAVX,
494 m_state.GetError(e_regSetFPU, Read));
498 mach_msg_type_number_t count = e_regSetWordSizeFPU;
499 m_state.SetError(e_regSetFPU, Read, ::thread_get_state(m_thread->MachPortNumber(), __i386_FLOAT_STATE, (thread_state_t)&m_state.context.fpu.no_avx, &count));
500 DNBLogThreadedIf (LOG_THREAD, "::thread_get_state (0x%4.4x, %u, &fpu, %u (%u passed in) => 0x%8.8x",
501 m_thread->MachPortNumber(), __i386_FLOAT_STATE, count, e_regSetWordSizeFPU,
502 m_state.GetError(e_regSetFPU, Read));
506 return m_state.GetError(e_regSetFPU, Read);
510 DNBArchImplI386::GetEXCState(bool force)
512 if (force || m_state.GetError(e_regSetEXC, Read))
514 mach_msg_type_number_t count = e_regSetWordSizeEXC;
515 m_state.SetError(e_regSetEXC, Read, ::thread_get_state(m_thread->MachPortNumber(), __i386_EXCEPTION_STATE, (thread_state_t)&m_state.context.exc, &count));
517 return m_state.GetError(e_regSetEXC, Read);
521 DNBArchImplI386::SetGPRState()
523 kern_return_t kret = ::thread_abort_safely(m_thread->MachPortNumber());
524 DNBLogThreadedIf (LOG_THREAD, "thread = 0x%4.4x calling thread_abort_safely (tid) => %u (SetGPRState() for stop_count = %u)", m_thread->MachPortNumber(), kret, m_thread->Process()->StopCount());
527 m_state.SetError(e_regSetGPR, Write, ::thread_set_state(m_thread->MachPortNumber(), __i386_THREAD_STATE, (thread_state_t)&m_state.context.gpr, e_regSetWordSizeGPR));
528 return m_state.GetError(e_regSetGPR, Write);
532 DNBArchImplI386::SetFPUState()
536 m_state.SetError(e_regSetFPU, Write, 0);
537 return m_state.GetError(e_regSetFPU, Write);
541 if (CPUHasAVX() || FORCE_AVX_REGS)
542 m_state.SetError(e_regSetFPU, Write, ::thread_set_state(m_thread->MachPortNumber(), __i386_AVX_STATE, (thread_state_t)&m_state.context.fpu.avx, e_regSetWordSizeAVX));
544 m_state.SetError(e_regSetFPU, Write, ::thread_set_state(m_thread->MachPortNumber(), __i386_FLOAT_STATE, (thread_state_t)&m_state.context.fpu.no_avx, e_regSetWordSizeFPU));
545 return m_state.GetError(e_regSetFPU, Write);
550 DNBArchImplI386::SetEXCState()
552 m_state.SetError(e_regSetEXC, Write, ::thread_set_state(m_thread->MachPortNumber(), __i386_EXCEPTION_STATE, (thread_state_t)&m_state.context.exc, e_regSetWordSizeEXC));
553 return m_state.GetError(e_regSetEXC, Write);
557 DNBArchImplI386::GetDBGState(bool force)
559 if (force || m_state.GetError(e_regSetDBG, Read))
561 mach_msg_type_number_t count = e_regSetWordSizeDBG;
562 m_state.SetError(e_regSetDBG, Read, ::thread_get_state(m_thread->MachPortNumber(), __i386_DEBUG_STATE, (thread_state_t)&m_state.context.dbg, &count));
564 return m_state.GetError(e_regSetDBG, Read);
568 DNBArchImplI386::SetDBGState(bool also_set_on_task)
570 m_state.SetError(e_regSetDBG, Write, ::thread_set_state(m_thread->MachPortNumber(), __i386_DEBUG_STATE, (thread_state_t)&m_state.context.dbg, e_regSetWordSizeDBG));
571 if (also_set_on_task)
573 kern_return_t kret = ::task_set_state(m_thread->Process()->Task().TaskPort(), __i386_DEBUG_STATE, (thread_state_t)&m_state.context.dbg, e_regSetWordSizeDBG);
574 if (kret != KERN_SUCCESS)
575 DNBLogThreadedIf(LOG_WATCHPOINTS, "DNBArchImplI386::SetDBGState failed to set debug control register state: 0x%8.8x.", kret);
578 return m_state.GetError(e_regSetDBG, Write);
582 DNBArchImplI386::ThreadWillResume()
584 // Do we need to step this thread? If so, let the mach thread tell us so.
585 if (m_thread->IsStepping())
587 // This is the primary thread, let the arch do anything it needs
588 EnableHardwareSingleStep(true);
591 // Reset the debug status register, if necessary, before we resume.
592 kern_return_t kret = GetDBGState(false);
593 DNBLogThreadedIf(LOG_WATCHPOINTS, "DNBArchImplI386::ThreadWillResume() GetDBGState() => 0x%8.8x.", kret);
594 if (kret != KERN_SUCCESS)
597 DBG &debug_state = m_state.context.dbg;
598 bool need_reset = false;
599 uint32_t i, num = NumSupportedHardwareWatchpoints();
600 for (i = 0; i < num; ++i)
601 if (IsWatchpointHit(debug_state, i))
606 ClearWatchpointHits(debug_state);
607 kret = SetDBGState(false);
608 DNBLogThreadedIf(LOG_WATCHPOINTS,"DNBArchImplI386::ThreadWillResume() SetDBGState() => 0x%8.8x.", kret);
613 DNBArchImplI386::ThreadDidStop()
617 m_state.InvalidateAllRegisterStates();
619 // Are we stepping a single instruction?
620 if (GetGPRState(true) == KERN_SUCCESS)
622 // We are single stepping, was this the primary thread?
623 if (m_thread->IsStepping())
625 // This was the primary thread, we need to clear the trace
627 success = EnableHardwareSingleStep(false) == KERN_SUCCESS;
631 // The MachThread will automatically restore the suspend count
632 // in ThreadDidStop(), so we don't need to do anything here if
633 // we weren't the primary thread the last time
640 DNBArchImplI386::NotifyException(MachException::Data& exc)
642 switch (exc.exc_type)
646 case EXC_BAD_INSTRUCTION:
655 if (exc.exc_data.size() >= 2 && exc.exc_data[0] == 2)
657 // exc_code = EXC_I386_BPT
659 nub_addr_t pc = GetPC(INVALID_NUB_ADDRESS);
660 if (pc != INVALID_NUB_ADDRESS && pc > 0)
663 // Check for a breakpoint at one byte prior to the current PC value
664 // since the PC will be just past the trap.
666 DNBBreakpoint *bp = m_thread->Process()->Breakpoints().FindByAddress(pc);
669 // Backup the PC for i386 since the trap was taken and the PC
670 // is at the address following the single byte trap instruction.
671 if (m_state.context.gpr.__eip > 0)
673 m_state.context.gpr.__eip = static_cast<uint32_t>(pc);
674 // Write the new PC back out
681 else if (exc.exc_data.size() >= 2 && exc.exc_data[0] == 1)
683 // exc_code = EXC_I386_SGL
685 // Check whether this corresponds to a watchpoint hit event.
686 // If yes, set the exc_sub_code to the data break address.
688 uint32_t hw_index = GetHardwareWatchpointHit(addr);
689 if (hw_index != INVALID_NUB_HW_INDEX)
691 exc.exc_data[1] = addr;
692 // Piggyback the hw_index in the exc.data.
693 exc.exc_data.push_back(hw_index);
701 case EXC_MACH_SYSCALL:
710 DNBArchImplI386::NumSupportedHardwareWatchpoints()
712 // Available debug address registers: dr0, dr1, dr2, dr3.
717 size_and_rw_bits(nub_size_t size, bool read, bool write)
721 rw = 0x3; // READ or READ/WRITE
725 assert(0 && "read and write cannot both be false");
732 return (0x1 << 2) | rw;
734 return (0x3 << 2) | rw;
736 return (0x2 << 2) | rw;
738 assert(0 && "invalid size, must be one of 1, 2, 4, or 8");
743 DNBArchImplI386::SetWatchpoint(DBG &debug_state, uint32_t hw_index, nub_addr_t addr, nub_size_t size, bool read, bool write)
745 // Set both dr7 (debug control register) and dri (debug address register).
747 // dr7{7-0} encodes the local/gloabl enable bits:
748 // global enable --. .-- local enable
756 // dr7{31-16} encodes the rw/len bits:
757 // b_x+3, b_x+2, b_x+1, b_x
758 // where bits{x+1, x} => rw
759 // 0b00: execute, 0b01: write, 0b11: read-or-write, 0b10: io read-or-write (unused)
760 // and bits{x+3, x+2} => len
761 // 0b00: 1-byte, 0b01: 2-byte, 0b11: 4-byte, 0b10: 8-byte
763 // dr0 -> bits{19-16}
764 // dr1 -> bits{23-20}
765 // dr2 -> bits{27-24}
766 // dr3 -> bits{31-28}
767 debug_state.__dr7 |= (1 << (2*hw_index) |
768 size_and_rw_bits(size, read, write) << (16+4*hw_index));
769 uint32_t addr_32 = addr & 0xffffffff;
772 debug_state.__dr0 = addr_32; break;
774 debug_state.__dr1 = addr_32; break;
776 debug_state.__dr2 = addr_32; break;
778 debug_state.__dr3 = addr_32; break;
780 assert(0 && "invalid hardware register index, must be one of 0, 1, 2, or 3");
786 DNBArchImplI386::ClearWatchpoint(DBG &debug_state, uint32_t hw_index)
788 debug_state.__dr7 &= ~(3 << (2*hw_index));
791 debug_state.__dr0 = 0; break;
793 debug_state.__dr1 = 0; break;
795 debug_state.__dr2 = 0; break;
797 debug_state.__dr3 = 0; break;
799 assert(0 && "invalid hardware register index, must be one of 0, 1, 2, or 3");
805 DNBArchImplI386::IsWatchpointVacant(const DBG &debug_state, uint32_t hw_index)
807 // Check dr7 (debug control register) for local/global enable bits:
808 // global enable --. .-- local enable
815 return (debug_state.__dr7 & (3 << (2*hw_index))) == 0;
818 // Resets local copy of debug status register to wait for the next debug exception.
820 DNBArchImplI386::ClearWatchpointHits(DBG &debug_state)
822 // See also IsWatchpointHit().
823 debug_state.__dr6 = 0;
828 DNBArchImplI386::IsWatchpointHit(const DBG &debug_state, uint32_t hw_index)
830 // Check dr6 (debug status register) whether a watchpoint hits:
831 // is watchpoint hit?
838 return (debug_state.__dr6 & (1 << hw_index));
842 DNBArchImplI386::GetWatchAddress(const DBG &debug_state, uint32_t hw_index)
846 return debug_state.__dr0;
848 return debug_state.__dr1;
850 return debug_state.__dr2;
852 return debug_state.__dr3;
854 assert(0 && "invalid hardware register index, must be one of 0, 1, 2, or 3");
859 DNBArchImplI386::StartTransForHWP()
861 if (m_2pc_trans_state != Trans_Done && m_2pc_trans_state != Trans_Rolled_Back)
862 DNBLogError ("%s inconsistent state detected, expected %d or %d, got: %d", __FUNCTION__, Trans_Done, Trans_Rolled_Back, m_2pc_trans_state);
863 m_2pc_dbg_checkpoint = m_state.context.dbg;
864 m_2pc_trans_state = Trans_Pending;
868 DNBArchImplI386::RollbackTransForHWP()
870 m_state.context.dbg = m_2pc_dbg_checkpoint;
871 if (m_2pc_trans_state != Trans_Pending)
872 DNBLogError ("%s inconsistent state detected, expected %d, got: %d", __FUNCTION__, Trans_Pending, m_2pc_trans_state);
873 m_2pc_trans_state = Trans_Rolled_Back;
874 kern_return_t kret = SetDBGState(false);
875 DNBLogThreadedIf(LOG_WATCHPOINTS, "DNBArchImplI386::RollbackTransForHWP() SetDBGState() => 0x%8.8x.", kret);
877 if (kret == KERN_SUCCESS)
883 DNBArchImplI386::FinishTransForHWP()
885 m_2pc_trans_state = Trans_Done;
889 DNBArchImplI386::GetDBGCheckpoint()
891 return m_2pc_dbg_checkpoint;
895 DNBArchImplI386::EnableHardwareWatchpoint (nub_addr_t addr, nub_size_t size, bool read, bool write, bool also_set_on_task)
897 DNBLogThreadedIf(LOG_WATCHPOINTS, "DNBArchImplI386::EnableHardwareWatchpoint(addr = 0x%llx, size = %llu, read = %u, write = %u)", (uint64_t)addr, (uint64_t)size, read, write);
899 const uint32_t num_hw_watchpoints = NumSupportedHardwareWatchpoints();
901 // Can only watch 1, 2, 4, or 8 bytes.
902 if (!(size == 1 || size == 2 || size == 4 || size == 8))
903 return INVALID_NUB_HW_INDEX;
905 // We must watch for either read or write
906 if (read == false && write == false)
907 return INVALID_NUB_HW_INDEX;
909 // Read the debug state
910 kern_return_t kret = GetDBGState(false);
912 if (kret == KERN_SUCCESS)
914 // Check to make sure we have the needed hardware support
917 DBG &debug_state = m_state.context.dbg;
918 for (i = 0; i < num_hw_watchpoints; ++i)
920 if (IsWatchpointVacant(debug_state, i))
924 // See if we found an available hw breakpoint slot above
925 if (i < num_hw_watchpoints)
929 // Modify our local copy of the debug state, first.
930 SetWatchpoint(debug_state, i, addr, size, read, write);
931 // Now set the watch point in the inferior.
932 kret = SetDBGState(also_set_on_task);
933 DNBLogThreadedIf(LOG_WATCHPOINTS, "DNBArchImplI386::EnableHardwareWatchpoint() SetDBGState() => 0x%8.8x.", kret);
935 if (kret == KERN_SUCCESS)
937 else // Revert to the previous debug state voluntarily. The transaction coordinator knows that we have failed.
938 m_state.context.dbg = GetDBGCheckpoint();
942 DNBLogThreadedIf(LOG_WATCHPOINTS, "DNBArchImplI386::EnableHardwareWatchpoint(): All hardware resources (%u) are in use.", num_hw_watchpoints);
945 return INVALID_NUB_HW_INDEX;
949 DNBArchImplI386::DisableHardwareWatchpoint (uint32_t hw_index, bool also_set_on_task)
951 kern_return_t kret = GetDBGState(false);
953 const uint32_t num_hw_points = NumSupportedHardwareWatchpoints();
954 if (kret == KERN_SUCCESS)
956 DBG &debug_state = m_state.context.dbg;
957 if (hw_index < num_hw_points && !IsWatchpointVacant(debug_state, hw_index))
961 // Modify our local copy of the debug state, first.
962 ClearWatchpoint(debug_state, hw_index);
963 // Now disable the watch point in the inferior.
964 kret = SetDBGState(also_set_on_task);
965 DNBLogThreadedIf(LOG_WATCHPOINTS, "DNBArchImplI386::DisableHardwareWatchpoint( %u )",
968 if (kret == KERN_SUCCESS)
970 else // Revert to the previous debug state voluntarily. The transaction coordinator knows that we have failed.
971 m_state.context.dbg = GetDBGCheckpoint();
977 // Iterate through the debug status register; return the index of the first hit.
979 DNBArchImplI386::GetHardwareWatchpointHit(nub_addr_t &addr)
981 // Read the debug state
982 kern_return_t kret = GetDBGState(true);
983 DNBLogThreadedIf(LOG_WATCHPOINTS, "DNBArchImplI386::GetHardwareWatchpointHit() GetDBGState() => 0x%8.8x.", kret);
984 if (kret == KERN_SUCCESS)
986 DBG &debug_state = m_state.context.dbg;
987 uint32_t i, num = NumSupportedHardwareWatchpoints();
988 for (i = 0; i < num; ++i)
990 if (IsWatchpointHit(debug_state, i))
992 addr = GetWatchAddress(debug_state, i);
993 DNBLogThreadedIf(LOG_WATCHPOINTS,
994 "DNBArchImplI386::GetHardwareWatchpointHit() found => %u (addr = 0x%llx).",
1000 return INVALID_NUB_HW_INDEX;
1003 // Set the single step bit in the processor status register.
1005 DNBArchImplI386::EnableHardwareSingleStep (bool enable)
1007 if (GetGPRState(false) == KERN_SUCCESS)
1009 const uint32_t trace_bit = 0x100u;
1011 m_state.context.gpr.__eflags |= trace_bit;
1013 m_state.context.gpr.__eflags &= ~trace_bit;
1014 return SetGPRState();
1016 return m_state.GetError(e_regSetGPR, Read);
1020 //----------------------------------------------------------------------
1021 // Register information definitions
1022 //----------------------------------------------------------------------
1024 #define DEFINE_GPR_PSEUDO_16(reg16,reg32) { e_regSetGPR, gpr_##reg16, #reg16, NULL, Uint, Hex, 2, 0,INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, g_contained_##reg32, g_invalidate_##reg32 }
1025 #define DEFINE_GPR_PSEUDO_8H(reg8,reg32) { e_regSetGPR, gpr_##reg8 , #reg8 , NULL, Uint, Hex, 1, 1,INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, g_contained_##reg32, g_invalidate_##reg32 }
1026 #define DEFINE_GPR_PSEUDO_8L(reg8,reg32) { e_regSetGPR, gpr_##reg8 , #reg8 , NULL, Uint, Hex, 1, 0,INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, g_contained_##reg32, g_invalidate_##reg32 }
1029 #define GPR_OFFSET(reg) (offsetof (DNBArchImplI386::GPR, __##reg))
1030 #define FPU_OFFSET(reg) (offsetof (DNBArchImplI386::FPU, __fpu_##reg) + offsetof (DNBArchImplI386::Context, fpu.no_avx))
1031 #define AVX_OFFSET(reg) (offsetof (DNBArchImplI386::AVX, __fpu_##reg) + offsetof (DNBArchImplI386::Context, fpu.avx))
1032 #define EXC_OFFSET(reg) (offsetof (DNBArchImplI386::EXC, __##reg) + offsetof (DNBArchImplI386::Context, exc))
1034 #define GPR_SIZE(reg) (sizeof(((DNBArchImplI386::GPR *)NULL)->__##reg))
1035 #define FPU_SIZE_UINT(reg) (sizeof(((DNBArchImplI386::FPU *)NULL)->__fpu_##reg))
1036 #define FPU_SIZE_MMST(reg) (sizeof(((DNBArchImplI386::FPU *)NULL)->__fpu_##reg.__mmst_reg))
1037 #define FPU_SIZE_XMM(reg) (sizeof(((DNBArchImplI386::FPU *)NULL)->__fpu_##reg.__xmm_reg))
1038 #define FPU_SIZE_YMM(reg) (32)
1039 #define EXC_SIZE(reg) (sizeof(((DNBArchImplI386::EXC *)NULL)->__##reg))
1041 // This does not accurately identify the location of ymm0...7 in
1042 // Context.fpu.avx. That is because there is a bunch of padding
1043 // in Context.fpu.avx that we don't need. Offset macros lay out
1044 // the register state that Debugserver transmits to the debugger
1045 // -- not to interpret the thread_get_state info.
1046 #define AVX_OFFSET_YMM(n) (AVX_OFFSET(xmm7) + FPU_SIZE_XMM(xmm7) + (32 * n))
1048 // These macros will auto define the register name, alt name, register size,
1049 // register offset, encoding, format and native register. This ensures that
1050 // the register state structures are defined correctly and have the correct
1051 // sizes and offsets.
1053 const char * g_contained_eax[] = { "eax", NULL };
1054 const char * g_contained_ebx[] = { "ebx", NULL };
1055 const char * g_contained_ecx[] = { "ecx", NULL };
1056 const char * g_contained_edx[] = { "edx", NULL };
1057 const char * g_contained_edi[] = { "edi", NULL };
1058 const char * g_contained_esi[] = { "esi", NULL };
1059 const char * g_contained_ebp[] = { "ebp", NULL };
1060 const char * g_contained_esp[] = { "esp", NULL };
1062 const char * g_invalidate_eax[] = { "eax", "ax", "ah", "al", NULL };
1063 const char * g_invalidate_ebx[] = { "ebx", "bx", "bh", "bl", NULL };
1064 const char * g_invalidate_ecx[] = { "ecx", "cx", "ch", "cl", NULL };
1065 const char * g_invalidate_edx[] = { "edx", "dx", "dh", "dl", NULL };
1066 const char * g_invalidate_edi[] = { "edi", "di", "dil", NULL };
1067 const char * g_invalidate_esi[] = { "esi", "si", "sil", NULL };
1068 const char * g_invalidate_ebp[] = { "ebp", "bp", "bpl", NULL };
1069 const char * g_invalidate_esp[] = { "esp", "sp", "spl", NULL };
1071 // General purpose registers for 64 bit
1072 const DNBRegisterInfo
1073 DNBArchImplI386::g_gpr_registers[] =
1075 { e_regSetGPR, gpr_eax, "eax" , NULL , Uint, Hex, GPR_SIZE(eax), GPR_OFFSET(eax) , ehframe_eax , dwarf_eax , INVALID_NUB_REGNUM , debugserver_eax , NULL, g_invalidate_eax },
1076 { e_regSetGPR, gpr_ebx, "ebx" , NULL , Uint, Hex, GPR_SIZE(ebx), GPR_OFFSET(ebx) , ehframe_ebx , dwarf_ebx , INVALID_NUB_REGNUM , debugserver_ebx , NULL, g_invalidate_ebx },
1077 { e_regSetGPR, gpr_ecx, "ecx" , NULL , Uint, Hex, GPR_SIZE(ecx), GPR_OFFSET(ecx) , ehframe_ecx , dwarf_ecx , INVALID_NUB_REGNUM , debugserver_ecx , NULL, g_invalidate_ecx },
1078 { e_regSetGPR, gpr_edx, "edx" , NULL , Uint, Hex, GPR_SIZE(edx), GPR_OFFSET(edx) , ehframe_edx , dwarf_edx , INVALID_NUB_REGNUM , debugserver_edx , NULL, g_invalidate_edx },
1079 { e_regSetGPR, gpr_edi, "edi" , NULL , Uint, Hex, GPR_SIZE(edi), GPR_OFFSET(edi) , ehframe_edi , dwarf_edi , INVALID_NUB_REGNUM , debugserver_edi , NULL, g_invalidate_edi },
1080 { e_regSetGPR, gpr_esi, "esi" , NULL , Uint, Hex, GPR_SIZE(esi), GPR_OFFSET(esi) , ehframe_esi , dwarf_esi , INVALID_NUB_REGNUM , debugserver_esi , NULL, g_invalidate_esi },
1081 { e_regSetGPR, gpr_ebp, "ebp" , "fp" , Uint, Hex, GPR_SIZE(ebp), GPR_OFFSET(ebp) , ehframe_ebp , dwarf_ebp , GENERIC_REGNUM_FP , debugserver_ebp , NULL, g_invalidate_ebp },
1082 { e_regSetGPR, gpr_esp, "esp" , "sp" , Uint, Hex, GPR_SIZE(esp), GPR_OFFSET(esp) , ehframe_esp , dwarf_esp , GENERIC_REGNUM_SP , debugserver_esp , NULL, g_invalidate_esp },
1083 { e_regSetGPR, gpr_ss, "ss" , NULL , Uint, Hex, GPR_SIZE(ss), GPR_OFFSET(ss) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM , debugserver_ss , NULL, NULL},
1084 { e_regSetGPR, gpr_eflags, "eflags", "flags" , Uint, Hex, GPR_SIZE(eflags), GPR_OFFSET(eflags) , ehframe_eflags , dwarf_eflags , GENERIC_REGNUM_FLAGS , debugserver_eflags, NULL, NULL},
1085 { e_regSetGPR, gpr_eip, "eip" , "pc" , Uint, Hex, GPR_SIZE(eip), GPR_OFFSET(eip) , ehframe_eip , dwarf_eip , GENERIC_REGNUM_PC , debugserver_eip , NULL, NULL},
1086 { e_regSetGPR, gpr_cs, "cs" , NULL , Uint, Hex, GPR_SIZE(cs), GPR_OFFSET(cs) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM , debugserver_cs , NULL, NULL},
1087 { e_regSetGPR, gpr_ds, "ds" , NULL , Uint, Hex, GPR_SIZE(ds), GPR_OFFSET(ds) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM , debugserver_ds , NULL, NULL},
1088 { e_regSetGPR, gpr_es, "es" , NULL , Uint, Hex, GPR_SIZE(es), GPR_OFFSET(es) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM , debugserver_es , NULL, NULL},
1089 { e_regSetGPR, gpr_fs, "fs" , NULL , Uint, Hex, GPR_SIZE(fs), GPR_OFFSET(fs) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM , debugserver_fs , NULL, NULL},
1090 { e_regSetGPR, gpr_gs, "gs" , NULL , Uint, Hex, GPR_SIZE(gs), GPR_OFFSET(gs) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM , debugserver_gs , NULL, NULL},
1091 DEFINE_GPR_PSEUDO_16 (ax , eax),
1092 DEFINE_GPR_PSEUDO_16 (bx , ebx),
1093 DEFINE_GPR_PSEUDO_16 (cx , ecx),
1094 DEFINE_GPR_PSEUDO_16 (dx , edx),
1095 DEFINE_GPR_PSEUDO_16 (di , edi),
1096 DEFINE_GPR_PSEUDO_16 (si , esi),
1097 DEFINE_GPR_PSEUDO_16 (bp , ebp),
1098 DEFINE_GPR_PSEUDO_16 (sp , esp),
1099 DEFINE_GPR_PSEUDO_8H (ah , eax),
1100 DEFINE_GPR_PSEUDO_8H (bh , ebx),
1101 DEFINE_GPR_PSEUDO_8H (ch , ecx),
1102 DEFINE_GPR_PSEUDO_8H (dh , edx),
1103 DEFINE_GPR_PSEUDO_8L (al , eax),
1104 DEFINE_GPR_PSEUDO_8L (bl , ebx),
1105 DEFINE_GPR_PSEUDO_8L (cl , ecx),
1106 DEFINE_GPR_PSEUDO_8L (dl , edx),
1107 DEFINE_GPR_PSEUDO_8L (dil, edi),
1108 DEFINE_GPR_PSEUDO_8L (sil, esi),
1109 DEFINE_GPR_PSEUDO_8L (bpl, ebp),
1110 DEFINE_GPR_PSEUDO_8L (spl, esp)
1114 const DNBRegisterInfo
1115 DNBArchImplI386::g_fpu_registers_no_avx[] =
1117 { e_regSetFPU, fpu_fcw , "fctrl" , NULL, Uint, Hex, FPU_SIZE_UINT(fcw) , FPU_OFFSET(fcw) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, NULL, NULL },
1118 { e_regSetFPU, fpu_fsw , "fstat" , NULL, Uint, Hex, FPU_SIZE_UINT(fsw) , FPU_OFFSET(fsw) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, NULL, NULL },
1119 { e_regSetFPU, fpu_ftw , "ftag" , NULL, Uint, Hex, FPU_SIZE_UINT(ftw) , FPU_OFFSET(ftw) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, NULL, NULL },
1120 { e_regSetFPU, fpu_fop , "fop" , NULL, Uint, Hex, FPU_SIZE_UINT(fop) , FPU_OFFSET(fop) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, NULL, NULL },
1121 { e_regSetFPU, fpu_ip , "fioff" , NULL, Uint, Hex, FPU_SIZE_UINT(ip) , FPU_OFFSET(ip) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, NULL, NULL },
1122 { e_regSetFPU, fpu_cs , "fiseg" , NULL, Uint, Hex, FPU_SIZE_UINT(cs) , FPU_OFFSET(cs) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, NULL, NULL },
1123 { e_regSetFPU, fpu_dp , "fooff" , NULL, Uint, Hex, FPU_SIZE_UINT(dp) , FPU_OFFSET(dp) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, NULL, NULL },
1124 { e_regSetFPU, fpu_ds , "foseg" , NULL, Uint, Hex, FPU_SIZE_UINT(ds) , FPU_OFFSET(ds) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, NULL, NULL },
1125 { e_regSetFPU, fpu_mxcsr , "mxcsr" , NULL, Uint, Hex, FPU_SIZE_UINT(mxcsr) , FPU_OFFSET(mxcsr) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, NULL, NULL },
1126 { e_regSetFPU, fpu_mxcsrmask, "mxcsrmask" , NULL, Uint, Hex, FPU_SIZE_UINT(mxcsrmask) , FPU_OFFSET(mxcsrmask) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, NULL, NULL },
1128 { e_regSetFPU, fpu_stmm0, "stmm0", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm0), FPU_OFFSET(stmm0), INVALID_NUB_REGNUM, dwarf_stmm0, INVALID_NUB_REGNUM, debugserver_stmm0, NULL, NULL },
1129 { e_regSetFPU, fpu_stmm1, "stmm1", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm1), FPU_OFFSET(stmm1), INVALID_NUB_REGNUM, dwarf_stmm1, INVALID_NUB_REGNUM, debugserver_stmm1, NULL, NULL },
1130 { e_regSetFPU, fpu_stmm2, "stmm2", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm2), FPU_OFFSET(stmm2), INVALID_NUB_REGNUM, dwarf_stmm2, INVALID_NUB_REGNUM, debugserver_stmm2, NULL, NULL },
1131 { e_regSetFPU, fpu_stmm3, "stmm3", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm3), FPU_OFFSET(stmm3), INVALID_NUB_REGNUM, dwarf_stmm3, INVALID_NUB_REGNUM, debugserver_stmm3, NULL, NULL },
1132 { e_regSetFPU, fpu_stmm4, "stmm4", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm4), FPU_OFFSET(stmm4), INVALID_NUB_REGNUM, dwarf_stmm4, INVALID_NUB_REGNUM, debugserver_stmm4, NULL, NULL },
1133 { e_regSetFPU, fpu_stmm5, "stmm5", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm5), FPU_OFFSET(stmm5), INVALID_NUB_REGNUM, dwarf_stmm5, INVALID_NUB_REGNUM, debugserver_stmm5, NULL, NULL },
1134 { e_regSetFPU, fpu_stmm6, "stmm6", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm6), FPU_OFFSET(stmm6), INVALID_NUB_REGNUM, dwarf_stmm6, INVALID_NUB_REGNUM, debugserver_stmm6, NULL, NULL },
1135 { e_regSetFPU, fpu_stmm7, "stmm7", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm7), FPU_OFFSET(stmm7), INVALID_NUB_REGNUM, dwarf_stmm7, INVALID_NUB_REGNUM, debugserver_stmm7, NULL, NULL },
1137 { e_regSetFPU, fpu_xmm0, "xmm0", NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm0), FPU_OFFSET(xmm0), INVALID_NUB_REGNUM, dwarf_xmm0, INVALID_NUB_REGNUM, debugserver_xmm0, NULL, NULL },
1138 { e_regSetFPU, fpu_xmm1, "xmm1", NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm1), FPU_OFFSET(xmm1), INVALID_NUB_REGNUM, dwarf_xmm1, INVALID_NUB_REGNUM, debugserver_xmm1, NULL, NULL },
1139 { e_regSetFPU, fpu_xmm2, "xmm2", NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm2), FPU_OFFSET(xmm2), INVALID_NUB_REGNUM, dwarf_xmm2, INVALID_NUB_REGNUM, debugserver_xmm2, NULL, NULL },
1140 { e_regSetFPU, fpu_xmm3, "xmm3", NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm3), FPU_OFFSET(xmm3), INVALID_NUB_REGNUM, dwarf_xmm3, INVALID_NUB_REGNUM, debugserver_xmm3, NULL, NULL },
1141 { e_regSetFPU, fpu_xmm4, "xmm4", NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm4), FPU_OFFSET(xmm4), INVALID_NUB_REGNUM, dwarf_xmm4, INVALID_NUB_REGNUM, debugserver_xmm4, NULL, NULL },
1142 { e_regSetFPU, fpu_xmm5, "xmm5", NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm5), FPU_OFFSET(xmm5), INVALID_NUB_REGNUM, dwarf_xmm5, INVALID_NUB_REGNUM, debugserver_xmm5, NULL, NULL },
1143 { e_regSetFPU, fpu_xmm6, "xmm6", NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm6), FPU_OFFSET(xmm6), INVALID_NUB_REGNUM, dwarf_xmm6, INVALID_NUB_REGNUM, debugserver_xmm6, NULL, NULL },
1144 { e_regSetFPU, fpu_xmm7, "xmm7", NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm7), FPU_OFFSET(xmm7), INVALID_NUB_REGNUM, dwarf_xmm7, INVALID_NUB_REGNUM, debugserver_xmm7, NULL, NULL }
1148 static const char *g_contained_ymm0 [] = { "ymm0", NULL };
1149 static const char *g_contained_ymm1 [] = { "ymm1", NULL };
1150 static const char *g_contained_ymm2 [] = { "ymm2", NULL };
1151 static const char *g_contained_ymm3 [] = { "ymm3", NULL };
1152 static const char *g_contained_ymm4 [] = { "ymm4", NULL };
1153 static const char *g_contained_ymm5 [] = { "ymm5", NULL };
1154 static const char *g_contained_ymm6 [] = { "ymm6", NULL };
1155 static const char *g_contained_ymm7 [] = { "ymm7", NULL };
1158 const DNBRegisterInfo
1159 DNBArchImplI386::g_fpu_registers_avx[] =
1161 { e_regSetFPU, fpu_fcw , "fctrl" , NULL, Uint, Hex, FPU_SIZE_UINT(fcw) , AVX_OFFSET(fcw) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, NULL, NULL },
1162 { e_regSetFPU, fpu_fsw , "fstat" , NULL, Uint, Hex, FPU_SIZE_UINT(fsw) , AVX_OFFSET(fsw) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, NULL, NULL },
1163 { e_regSetFPU, fpu_ftw , "ftag" , NULL, Uint, Hex, FPU_SIZE_UINT(ftw) , AVX_OFFSET(ftw) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, NULL, NULL },
1164 { e_regSetFPU, fpu_fop , "fop" , NULL, Uint, Hex, FPU_SIZE_UINT(fop) , AVX_OFFSET(fop) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, NULL, NULL },
1165 { e_regSetFPU, fpu_ip , "fioff" , NULL, Uint, Hex, FPU_SIZE_UINT(ip) , AVX_OFFSET(ip) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, NULL, NULL },
1166 { e_regSetFPU, fpu_cs , "fiseg" , NULL, Uint, Hex, FPU_SIZE_UINT(cs) , AVX_OFFSET(cs) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, NULL, NULL },
1167 { e_regSetFPU, fpu_dp , "fooff" , NULL, Uint, Hex, FPU_SIZE_UINT(dp) , AVX_OFFSET(dp) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, NULL, NULL },
1168 { e_regSetFPU, fpu_ds , "foseg" , NULL, Uint, Hex, FPU_SIZE_UINT(ds) , AVX_OFFSET(ds) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, NULL, NULL },
1169 { e_regSetFPU, fpu_mxcsr , "mxcsr" , NULL, Uint, Hex, FPU_SIZE_UINT(mxcsr) , AVX_OFFSET(mxcsr) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, NULL, NULL },
1170 { e_regSetFPU, fpu_mxcsrmask, "mxcsrmask" , NULL, Uint, Hex, FPU_SIZE_UINT(mxcsrmask) , AVX_OFFSET(mxcsrmask) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, NULL, NULL },
1172 { e_regSetFPU, fpu_stmm0, "stmm0", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm0), AVX_OFFSET(stmm0), INVALID_NUB_REGNUM, dwarf_stmm0, INVALID_NUB_REGNUM, debugserver_stmm0, NULL, NULL },
1173 { e_regSetFPU, fpu_stmm1, "stmm1", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm1), AVX_OFFSET(stmm1), INVALID_NUB_REGNUM, dwarf_stmm1, INVALID_NUB_REGNUM, debugserver_stmm1, NULL, NULL },
1174 { e_regSetFPU, fpu_stmm2, "stmm2", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm2), AVX_OFFSET(stmm2), INVALID_NUB_REGNUM, dwarf_stmm2, INVALID_NUB_REGNUM, debugserver_stmm2, NULL, NULL },
1175 { e_regSetFPU, fpu_stmm3, "stmm3", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm3), AVX_OFFSET(stmm3), INVALID_NUB_REGNUM, dwarf_stmm3, INVALID_NUB_REGNUM, debugserver_stmm3, NULL, NULL },
1176 { e_regSetFPU, fpu_stmm4, "stmm4", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm4), AVX_OFFSET(stmm4), INVALID_NUB_REGNUM, dwarf_stmm4, INVALID_NUB_REGNUM, debugserver_stmm4, NULL, NULL },
1177 { e_regSetFPU, fpu_stmm5, "stmm5", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm5), AVX_OFFSET(stmm5), INVALID_NUB_REGNUM, dwarf_stmm5, INVALID_NUB_REGNUM, debugserver_stmm5, NULL, NULL },
1178 { e_regSetFPU, fpu_stmm6, "stmm6", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm6), AVX_OFFSET(stmm6), INVALID_NUB_REGNUM, dwarf_stmm6, INVALID_NUB_REGNUM, debugserver_stmm6, NULL, NULL },
1179 { e_regSetFPU, fpu_stmm7, "stmm7", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm7), AVX_OFFSET(stmm7), INVALID_NUB_REGNUM, dwarf_stmm7, INVALID_NUB_REGNUM, debugserver_stmm7, NULL, NULL },
1181 { e_regSetFPU, fpu_ymm0, "ymm0", NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm0), AVX_OFFSET_YMM(0), INVALID_NUB_REGNUM, dwarf_ymm0, INVALID_NUB_REGNUM, debugserver_ymm0, NULL, NULL },
1182 { e_regSetFPU, fpu_ymm1, "ymm1", NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm1), AVX_OFFSET_YMM(1), INVALID_NUB_REGNUM, dwarf_ymm1, INVALID_NUB_REGNUM, debugserver_ymm1, NULL, NULL },
1183 { e_regSetFPU, fpu_ymm2, "ymm2", NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm2), AVX_OFFSET_YMM(2), INVALID_NUB_REGNUM, dwarf_ymm2, INVALID_NUB_REGNUM, debugserver_ymm2, NULL, NULL },
1184 { e_regSetFPU, fpu_ymm3, "ymm3", NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm3), AVX_OFFSET_YMM(3), INVALID_NUB_REGNUM, dwarf_ymm3, INVALID_NUB_REGNUM, debugserver_ymm3, NULL, NULL },
1185 { e_regSetFPU, fpu_ymm4, "ymm4", NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm4), AVX_OFFSET_YMM(4), INVALID_NUB_REGNUM, dwarf_ymm4, INVALID_NUB_REGNUM, debugserver_ymm4, NULL, NULL },
1186 { e_regSetFPU, fpu_ymm5, "ymm5", NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm5), AVX_OFFSET_YMM(5), INVALID_NUB_REGNUM, dwarf_ymm5, INVALID_NUB_REGNUM, debugserver_ymm5, NULL, NULL },
1187 { e_regSetFPU, fpu_ymm6, "ymm6", NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm6), AVX_OFFSET_YMM(6), INVALID_NUB_REGNUM, dwarf_ymm6, INVALID_NUB_REGNUM, debugserver_ymm6, NULL, NULL },
1188 { e_regSetFPU, fpu_ymm7, "ymm7", NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm7), AVX_OFFSET_YMM(7), INVALID_NUB_REGNUM, dwarf_ymm7, INVALID_NUB_REGNUM, debugserver_ymm7, NULL, NULL },
1190 { e_regSetFPU, fpu_xmm0, "xmm0", NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm0), 0, INVALID_NUB_REGNUM, dwarf_xmm0, INVALID_NUB_REGNUM, debugserver_xmm0, g_contained_ymm0, NULL },
1191 { e_regSetFPU, fpu_xmm1, "xmm1", NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm1), 0, INVALID_NUB_REGNUM, dwarf_xmm1, INVALID_NUB_REGNUM, debugserver_xmm1, g_contained_ymm1, NULL },
1192 { e_regSetFPU, fpu_xmm2, "xmm2", NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm2), 0, INVALID_NUB_REGNUM, dwarf_xmm2, INVALID_NUB_REGNUM, debugserver_xmm2, g_contained_ymm2, NULL },
1193 { e_regSetFPU, fpu_xmm3, "xmm3", NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm3), 0, INVALID_NUB_REGNUM, dwarf_xmm3, INVALID_NUB_REGNUM, debugserver_xmm3, g_contained_ymm3, NULL },
1194 { e_regSetFPU, fpu_xmm4, "xmm4", NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm4), 0, INVALID_NUB_REGNUM, dwarf_xmm4, INVALID_NUB_REGNUM, debugserver_xmm4, g_contained_ymm4, NULL },
1195 { e_regSetFPU, fpu_xmm5, "xmm5", NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm5), 0, INVALID_NUB_REGNUM, dwarf_xmm5, INVALID_NUB_REGNUM, debugserver_xmm5, g_contained_ymm5, NULL },
1196 { e_regSetFPU, fpu_xmm6, "xmm6", NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm6), 0, INVALID_NUB_REGNUM, dwarf_xmm6, INVALID_NUB_REGNUM, debugserver_xmm6, g_contained_ymm6, NULL },
1197 { e_regSetFPU, fpu_xmm7, "xmm7", NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm7), 0, INVALID_NUB_REGNUM, dwarf_xmm7, INVALID_NUB_REGNUM, debugserver_xmm7, g_contained_ymm7, NULL },
1201 const DNBRegisterInfo
1202 DNBArchImplI386::g_exc_registers[] =
1204 { e_regSetEXC, exc_trapno, "trapno" , NULL, Uint, Hex, EXC_SIZE (trapno) , EXC_OFFSET (trapno) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, NULL, NULL },
1205 { e_regSetEXC, exc_err, "err" , NULL, Uint, Hex, EXC_SIZE (err) , EXC_OFFSET (err) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, NULL, NULL },
1206 { e_regSetEXC, exc_faultvaddr, "faultvaddr", NULL, Uint, Hex, EXC_SIZE (faultvaddr), EXC_OFFSET (faultvaddr) , INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, NULL, NULL }
1209 // Number of registers in each register set
1210 const size_t DNBArchImplI386::k_num_gpr_registers = sizeof(g_gpr_registers)/sizeof(DNBRegisterInfo);
1211 const size_t DNBArchImplI386::k_num_fpu_registers_no_avx = sizeof(g_fpu_registers_no_avx)/sizeof(DNBRegisterInfo);
1212 const size_t DNBArchImplI386::k_num_fpu_registers_avx = sizeof(g_fpu_registers_avx)/sizeof(DNBRegisterInfo);
1213 const size_t DNBArchImplI386::k_num_exc_registers = sizeof(g_exc_registers)/sizeof(DNBRegisterInfo);
1214 const size_t DNBArchImplI386::k_num_all_registers_no_avx = k_num_gpr_registers + k_num_fpu_registers_no_avx + k_num_exc_registers;
1215 const size_t DNBArchImplI386::k_num_all_registers_avx = k_num_gpr_registers + k_num_fpu_registers_avx + k_num_exc_registers;
1217 //----------------------------------------------------------------------
1218 // Register set definitions. The first definitions at register set index
1219 // of zero is for all registers, followed by other registers sets. The
1220 // register information for the all register set need not be filled in.
1221 //----------------------------------------------------------------------
1222 const DNBRegisterSetInfo
1223 DNBArchImplI386::g_reg_sets_no_avx[] =
1225 { "i386 Registers", NULL, k_num_all_registers_no_avx },
1226 { "General Purpose Registers", g_gpr_registers, k_num_gpr_registers },
1227 { "Floating Point Registers", g_fpu_registers_no_avx, k_num_fpu_registers_no_avx },
1228 { "Exception State Registers", g_exc_registers, k_num_exc_registers }
1231 const DNBRegisterSetInfo
1232 DNBArchImplI386::g_reg_sets_avx[] =
1234 { "i386 Registers", NULL, k_num_all_registers_avx },
1235 { "General Purpose Registers", g_gpr_registers, k_num_gpr_registers },
1236 { "Floating Point Registers", g_fpu_registers_avx, k_num_fpu_registers_avx },
1237 { "Exception State Registers", g_exc_registers, k_num_exc_registers }
1240 // Total number of register sets for this architecture
1241 const size_t DNBArchImplI386::k_num_register_sets = sizeof(g_reg_sets_no_avx)/sizeof(DNBRegisterSetInfo);
1244 DNBArchImplI386::Create (MachThread *thread)
1246 DNBArchImplI386 *obj = new DNBArchImplI386 (thread);
1251 DNBArchImplI386::SoftwareBreakpointOpcode (nub_size_t byte_size)
1253 static const uint8_t g_breakpoint_opcode[] = { 0xCC };
1255 return g_breakpoint_opcode;
1259 const DNBRegisterSetInfo *
1260 DNBArchImplI386::GetRegisterSetInfo(nub_size_t *num_reg_sets)
1262 *num_reg_sets = k_num_register_sets;
1263 if (CPUHasAVX() || FORCE_AVX_REGS)
1264 return g_reg_sets_avx;
1266 return g_reg_sets_no_avx;
1271 DNBArchImplI386::Initialize()
1273 DNBArchPluginInfo arch_plugin_info =
1276 DNBArchImplI386::Create,
1277 DNBArchImplI386::GetRegisterSetInfo,
1278 DNBArchImplI386::SoftwareBreakpointOpcode
1281 // Register this arch plug-in with the main protocol class
1282 DNBArchProtocol::RegisterArchPlugin (arch_plugin_info);
1286 DNBArchImplI386::GetRegisterValue(uint32_t set, uint32_t reg, DNBRegisterValue *value)
1288 if (set == REGISTER_SET_GENERIC)
1292 case GENERIC_REGNUM_PC: // Program Counter
1297 case GENERIC_REGNUM_SP: // Stack Pointer
1302 case GENERIC_REGNUM_FP: // Frame Pointer
1307 case GENERIC_REGNUM_FLAGS: // Processor flags register
1312 case GENERIC_REGNUM_RA: // Return Address
1318 if (GetRegisterState(set, false) != KERN_SUCCESS)
1321 const DNBRegisterInfo *regInfo = m_thread->GetRegisterInfo(set, reg);
1324 value->info = *regInfo;
1328 if (reg < k_num_gpr_registers)
1330 value->value.uint32 = ((uint32_t*)(&m_state.context.gpr))[reg];
1336 if (CPUHasAVX() || FORCE_AVX_REGS)
1340 case fpu_fcw: value->value.uint16 = *((uint16_t *)(&m_state.context.fpu.avx.__fpu_fcw)); return true;
1341 case fpu_fsw: value->value.uint16 = *((uint16_t *)(&m_state.context.fpu.avx.__fpu_fsw)); return true;
1342 case fpu_ftw: value->value.uint8 = m_state.context.fpu.avx.__fpu_ftw; return true;
1343 case fpu_fop: value->value.uint16 = m_state.context.fpu.avx.__fpu_fop; return true;
1344 case fpu_ip: value->value.uint32 = m_state.context.fpu.avx.__fpu_ip; return true;
1345 case fpu_cs: value->value.uint16 = m_state.context.fpu.avx.__fpu_cs; return true;
1346 case fpu_dp: value->value.uint32 = m_state.context.fpu.avx.__fpu_dp; return true;
1347 case fpu_ds: value->value.uint16 = m_state.context.fpu.avx.__fpu_ds; return true;
1348 case fpu_mxcsr: value->value.uint32 = m_state.context.fpu.avx.__fpu_mxcsr; return true;
1349 case fpu_mxcsrmask: value->value.uint32 = m_state.context.fpu.avx.__fpu_mxcsrmask; return true;
1351 case fpu_stmm0: memcpy(&value->value.uint8, m_state.context.fpu.avx.__fpu_stmm0.__mmst_reg, 10); return true;
1352 case fpu_stmm1: memcpy(&value->value.uint8, m_state.context.fpu.avx.__fpu_stmm1.__mmst_reg, 10); return true;
1353 case fpu_stmm2: memcpy(&value->value.uint8, m_state.context.fpu.avx.__fpu_stmm2.__mmst_reg, 10); return true;
1354 case fpu_stmm3: memcpy(&value->value.uint8, m_state.context.fpu.avx.__fpu_stmm3.__mmst_reg, 10); return true;
1355 case fpu_stmm4: memcpy(&value->value.uint8, m_state.context.fpu.avx.__fpu_stmm4.__mmst_reg, 10); return true;
1356 case fpu_stmm5: memcpy(&value->value.uint8, m_state.context.fpu.avx.__fpu_stmm5.__mmst_reg, 10); return true;
1357 case fpu_stmm6: memcpy(&value->value.uint8, m_state.context.fpu.avx.__fpu_stmm6.__mmst_reg, 10); return true;
1358 case fpu_stmm7: memcpy(&value->value.uint8, m_state.context.fpu.avx.__fpu_stmm7.__mmst_reg, 10); return true;
1360 case fpu_xmm0: memcpy(&value->value.uint8, m_state.context.fpu.avx.__fpu_xmm0.__xmm_reg, 16); return true;
1361 case fpu_xmm1: memcpy(&value->value.uint8, m_state.context.fpu.avx.__fpu_xmm1.__xmm_reg, 16); return true;
1362 case fpu_xmm2: memcpy(&value->value.uint8, m_state.context.fpu.avx.__fpu_xmm2.__xmm_reg, 16); return true;
1363 case fpu_xmm3: memcpy(&value->value.uint8, m_state.context.fpu.avx.__fpu_xmm3.__xmm_reg, 16); return true;
1364 case fpu_xmm4: memcpy(&value->value.uint8, m_state.context.fpu.avx.__fpu_xmm4.__xmm_reg, 16); return true;
1365 case fpu_xmm5: memcpy(&value->value.uint8, m_state.context.fpu.avx.__fpu_xmm5.__xmm_reg, 16); return true;
1366 case fpu_xmm6: memcpy(&value->value.uint8, m_state.context.fpu.avx.__fpu_xmm6.__xmm_reg, 16); return true;
1367 case fpu_xmm7: memcpy(&value->value.uint8, m_state.context.fpu.avx.__fpu_xmm7.__xmm_reg, 16); return true;
1369 #define MEMCPY_YMM(n) \
1370 memcpy(&value->value.uint8, m_state.context.fpu.avx.__fpu_xmm##n.__xmm_reg, 16); \
1371 memcpy((&value->value.uint8) + 16, m_state.context.fpu.avx.__fpu_ymmh##n.__xmm_reg, 16);
1372 case fpu_ymm0: MEMCPY_YMM(0); return true;
1373 case fpu_ymm1: MEMCPY_YMM(1); return true;
1374 case fpu_ymm2: MEMCPY_YMM(2); return true;
1375 case fpu_ymm3: MEMCPY_YMM(3); return true;
1376 case fpu_ymm4: MEMCPY_YMM(4); return true;
1377 case fpu_ymm5: MEMCPY_YMM(5); return true;
1378 case fpu_ymm6: MEMCPY_YMM(6); return true;
1379 case fpu_ymm7: MEMCPY_YMM(7); return true;
1387 case fpu_fcw: value->value.uint16 = *((uint16_t *)(&m_state.context.fpu.no_avx.__fpu_fcw)); return true;
1388 case fpu_fsw: value->value.uint16 = *((uint16_t *)(&m_state.context.fpu.no_avx.__fpu_fsw)); return true;
1389 case fpu_ftw: value->value.uint8 = m_state.context.fpu.no_avx.__fpu_ftw; return true;
1390 case fpu_fop: value->value.uint16 = m_state.context.fpu.no_avx.__fpu_fop; return true;
1391 case fpu_ip: value->value.uint32 = m_state.context.fpu.no_avx.__fpu_ip; return true;
1392 case fpu_cs: value->value.uint16 = m_state.context.fpu.no_avx.__fpu_cs; return true;
1393 case fpu_dp: value->value.uint32 = m_state.context.fpu.no_avx.__fpu_dp; return true;
1394 case fpu_ds: value->value.uint16 = m_state.context.fpu.no_avx.__fpu_ds; return true;
1395 case fpu_mxcsr: value->value.uint32 = m_state.context.fpu.no_avx.__fpu_mxcsr; return true;
1396 case fpu_mxcsrmask: value->value.uint32 = m_state.context.fpu.no_avx.__fpu_mxcsrmask; return true;
1398 case fpu_stmm0: memcpy(&value->value.uint8, m_state.context.fpu.no_avx.__fpu_stmm0.__mmst_reg, 10); return true;
1399 case fpu_stmm1: memcpy(&value->value.uint8, m_state.context.fpu.no_avx.__fpu_stmm1.__mmst_reg, 10); return true;
1400 case fpu_stmm2: memcpy(&value->value.uint8, m_state.context.fpu.no_avx.__fpu_stmm2.__mmst_reg, 10); return true;
1401 case fpu_stmm3: memcpy(&value->value.uint8, m_state.context.fpu.no_avx.__fpu_stmm3.__mmst_reg, 10); return true;
1402 case fpu_stmm4: memcpy(&value->value.uint8, m_state.context.fpu.no_avx.__fpu_stmm4.__mmst_reg, 10); return true;
1403 case fpu_stmm5: memcpy(&value->value.uint8, m_state.context.fpu.no_avx.__fpu_stmm5.__mmst_reg, 10); return true;
1404 case fpu_stmm6: memcpy(&value->value.uint8, m_state.context.fpu.no_avx.__fpu_stmm6.__mmst_reg, 10); return true;
1405 case fpu_stmm7: memcpy(&value->value.uint8, m_state.context.fpu.no_avx.__fpu_stmm7.__mmst_reg, 10); return true;
1407 case fpu_xmm0: memcpy(&value->value.uint8, m_state.context.fpu.no_avx.__fpu_xmm0.__xmm_reg, 16); return true;
1408 case fpu_xmm1: memcpy(&value->value.uint8, m_state.context.fpu.no_avx.__fpu_xmm1.__xmm_reg, 16); return true;
1409 case fpu_xmm2: memcpy(&value->value.uint8, m_state.context.fpu.no_avx.__fpu_xmm2.__xmm_reg, 16); return true;
1410 case fpu_xmm3: memcpy(&value->value.uint8, m_state.context.fpu.no_avx.__fpu_xmm3.__xmm_reg, 16); return true;
1411 case fpu_xmm4: memcpy(&value->value.uint8, m_state.context.fpu.no_avx.__fpu_xmm4.__xmm_reg, 16); return true;
1412 case fpu_xmm5: memcpy(&value->value.uint8, m_state.context.fpu.no_avx.__fpu_xmm5.__xmm_reg, 16); return true;
1413 case fpu_xmm6: memcpy(&value->value.uint8, m_state.context.fpu.no_avx.__fpu_xmm6.__xmm_reg, 16); return true;
1414 case fpu_xmm7: memcpy(&value->value.uint8, m_state.context.fpu.no_avx.__fpu_xmm7.__xmm_reg, 16); return true;
1420 if (reg < k_num_exc_registers)
1422 value->value.uint32 = (&m_state.context.exc.__trapno)[reg];
1433 DNBArchImplI386::SetRegisterValue(uint32_t set, uint32_t reg, const DNBRegisterValue *value)
1435 if (set == REGISTER_SET_GENERIC)
1439 case GENERIC_REGNUM_PC: // Program Counter
1444 case GENERIC_REGNUM_SP: // Stack Pointer
1449 case GENERIC_REGNUM_FP: // Frame Pointer
1454 case GENERIC_REGNUM_FLAGS: // Processor flags register
1459 case GENERIC_REGNUM_RA: // Return Address
1465 if (GetRegisterState(set, false) != KERN_SUCCESS)
1468 bool success = false;
1469 const DNBRegisterInfo *regInfo = m_thread->GetRegisterInfo(set, reg);
1475 if (reg < k_num_gpr_registers)
1477 ((uint32_t*)(&m_state.context.gpr))[reg] = value->value.uint32;
1483 if (CPUHasAVX() || FORCE_AVX_REGS)
1487 case fpu_fcw: *((uint16_t *)(&m_state.context.fpu.avx.__fpu_fcw)) = value->value.uint16; success = true; break;
1488 case fpu_fsw: *((uint16_t *)(&m_state.context.fpu.avx.__fpu_fsw)) = value->value.uint16; success = true; break;
1489 case fpu_ftw: m_state.context.fpu.avx.__fpu_ftw = value->value.uint8; success = true; break;
1490 case fpu_fop: m_state.context.fpu.avx.__fpu_fop = value->value.uint16; success = true; break;
1491 case fpu_ip: m_state.context.fpu.avx.__fpu_ip = value->value.uint32; success = true; break;
1492 case fpu_cs: m_state.context.fpu.avx.__fpu_cs = value->value.uint16; success = true; break;
1493 case fpu_dp: m_state.context.fpu.avx.__fpu_dp = value->value.uint32; success = true; break;
1494 case fpu_ds: m_state.context.fpu.avx.__fpu_ds = value->value.uint16; success = true; break;
1495 case fpu_mxcsr: m_state.context.fpu.avx.__fpu_mxcsr = value->value.uint32; success = true; break;
1496 case fpu_mxcsrmask: m_state.context.fpu.avx.__fpu_mxcsrmask = value->value.uint32; success = true; break;
1498 case fpu_stmm0: memcpy (m_state.context.fpu.avx.__fpu_stmm0.__mmst_reg, &value->value.uint8, 10); success = true; break;
1499 case fpu_stmm1: memcpy (m_state.context.fpu.avx.__fpu_stmm1.__mmst_reg, &value->value.uint8, 10); success = true; break;
1500 case fpu_stmm2: memcpy (m_state.context.fpu.avx.__fpu_stmm2.__mmst_reg, &value->value.uint8, 10); success = true; break;
1501 case fpu_stmm3: memcpy (m_state.context.fpu.avx.__fpu_stmm3.__mmst_reg, &value->value.uint8, 10); success = true; break;
1502 case fpu_stmm4: memcpy (m_state.context.fpu.avx.__fpu_stmm4.__mmst_reg, &value->value.uint8, 10); success = true; break;
1503 case fpu_stmm5: memcpy (m_state.context.fpu.avx.__fpu_stmm5.__mmst_reg, &value->value.uint8, 10); success = true; break;
1504 case fpu_stmm6: memcpy (m_state.context.fpu.avx.__fpu_stmm6.__mmst_reg, &value->value.uint8, 10); success = true; break;
1505 case fpu_stmm7: memcpy (m_state.context.fpu.avx.__fpu_stmm7.__mmst_reg, &value->value.uint8, 10); success = true; break;
1507 case fpu_xmm0: memcpy(m_state.context.fpu.avx.__fpu_xmm0.__xmm_reg, &value->value.uint8, 16); success = true; break;
1508 case fpu_xmm1: memcpy(m_state.context.fpu.avx.__fpu_xmm1.__xmm_reg, &value->value.uint8, 16); success = true; break;
1509 case fpu_xmm2: memcpy(m_state.context.fpu.avx.__fpu_xmm2.__xmm_reg, &value->value.uint8, 16); success = true; break;
1510 case fpu_xmm3: memcpy(m_state.context.fpu.avx.__fpu_xmm3.__xmm_reg, &value->value.uint8, 16); success = true; break;
1511 case fpu_xmm4: memcpy(m_state.context.fpu.avx.__fpu_xmm4.__xmm_reg, &value->value.uint8, 16); success = true; break;
1512 case fpu_xmm5: memcpy(m_state.context.fpu.avx.__fpu_xmm5.__xmm_reg, &value->value.uint8, 16); success = true; break;
1513 case fpu_xmm6: memcpy(m_state.context.fpu.avx.__fpu_xmm6.__xmm_reg, &value->value.uint8, 16); success = true; break;
1514 case fpu_xmm7: memcpy(m_state.context.fpu.avx.__fpu_xmm7.__xmm_reg, &value->value.uint8, 16); success = true; break;
1516 #define MEMCPY_YMM(n) \
1517 memcpy(m_state.context.fpu.avx.__fpu_xmm##n.__xmm_reg, &value->value.uint8, 16); \
1518 memcpy(m_state.context.fpu.avx.__fpu_ymmh##n.__xmm_reg, (&value->value.uint8) + 16, 16);
1519 case fpu_ymm0: MEMCPY_YMM(0); return true;
1520 case fpu_ymm1: MEMCPY_YMM(1); return true;
1521 case fpu_ymm2: MEMCPY_YMM(2); return true;
1522 case fpu_ymm3: MEMCPY_YMM(3); return true;
1523 case fpu_ymm4: MEMCPY_YMM(4); return true;
1524 case fpu_ymm5: MEMCPY_YMM(5); return true;
1525 case fpu_ymm6: MEMCPY_YMM(6); return true;
1526 case fpu_ymm7: MEMCPY_YMM(7); return true;
1534 case fpu_fcw: *((uint16_t *)(&m_state.context.fpu.no_avx.__fpu_fcw)) = value->value.uint16; success = true; break;
1535 case fpu_fsw: *((uint16_t *)(&m_state.context.fpu.no_avx.__fpu_fsw)) = value->value.uint16; success = true; break;
1536 case fpu_ftw: m_state.context.fpu.no_avx.__fpu_ftw = value->value.uint8; success = true; break;
1537 case fpu_fop: m_state.context.fpu.no_avx.__fpu_fop = value->value.uint16; success = true; break;
1538 case fpu_ip: m_state.context.fpu.no_avx.__fpu_ip = value->value.uint32; success = true; break;
1539 case fpu_cs: m_state.context.fpu.no_avx.__fpu_cs = value->value.uint16; success = true; break;
1540 case fpu_dp: m_state.context.fpu.no_avx.__fpu_dp = value->value.uint32; success = true; break;
1541 case fpu_ds: m_state.context.fpu.no_avx.__fpu_ds = value->value.uint16; success = true; break;
1542 case fpu_mxcsr: m_state.context.fpu.no_avx.__fpu_mxcsr = value->value.uint32; success = true; break;
1543 case fpu_mxcsrmask: m_state.context.fpu.no_avx.__fpu_mxcsrmask = value->value.uint32; success = true; break;
1545 case fpu_stmm0: memcpy (m_state.context.fpu.no_avx.__fpu_stmm0.__mmst_reg, &value->value.uint8, 10); success = true; break;
1546 case fpu_stmm1: memcpy (m_state.context.fpu.no_avx.__fpu_stmm1.__mmst_reg, &value->value.uint8, 10); success = true; break;
1547 case fpu_stmm2: memcpy (m_state.context.fpu.no_avx.__fpu_stmm2.__mmst_reg, &value->value.uint8, 10); success = true; break;
1548 case fpu_stmm3: memcpy (m_state.context.fpu.no_avx.__fpu_stmm3.__mmst_reg, &value->value.uint8, 10); success = true; break;
1549 case fpu_stmm4: memcpy (m_state.context.fpu.no_avx.__fpu_stmm4.__mmst_reg, &value->value.uint8, 10); success = true; break;
1550 case fpu_stmm5: memcpy (m_state.context.fpu.no_avx.__fpu_stmm5.__mmst_reg, &value->value.uint8, 10); success = true; break;
1551 case fpu_stmm6: memcpy (m_state.context.fpu.no_avx.__fpu_stmm6.__mmst_reg, &value->value.uint8, 10); success = true; break;
1552 case fpu_stmm7: memcpy (m_state.context.fpu.no_avx.__fpu_stmm7.__mmst_reg, &value->value.uint8, 10); success = true; break;
1554 case fpu_xmm0: memcpy(m_state.context.fpu.no_avx.__fpu_xmm0.__xmm_reg, &value->value.uint8, 16); success = true; break;
1555 case fpu_xmm1: memcpy(m_state.context.fpu.no_avx.__fpu_xmm1.__xmm_reg, &value->value.uint8, 16); success = true; break;
1556 case fpu_xmm2: memcpy(m_state.context.fpu.no_avx.__fpu_xmm2.__xmm_reg, &value->value.uint8, 16); success = true; break;
1557 case fpu_xmm3: memcpy(m_state.context.fpu.no_avx.__fpu_xmm3.__xmm_reg, &value->value.uint8, 16); success = true; break;
1558 case fpu_xmm4: memcpy(m_state.context.fpu.no_avx.__fpu_xmm4.__xmm_reg, &value->value.uint8, 16); success = true; break;
1559 case fpu_xmm5: memcpy(m_state.context.fpu.no_avx.__fpu_xmm5.__xmm_reg, &value->value.uint8, 16); success = true; break;
1560 case fpu_xmm6: memcpy(m_state.context.fpu.no_avx.__fpu_xmm6.__xmm_reg, &value->value.uint8, 16); success = true; break;
1561 case fpu_xmm7: memcpy(m_state.context.fpu.no_avx.__fpu_xmm7.__xmm_reg, &value->value.uint8, 16); success = true; break;
1567 if (reg < k_num_exc_registers)
1569 (&m_state.context.exc.__trapno)[reg] = value->value.uint32;
1577 return SetRegisterState(set) == KERN_SUCCESS;
1583 DNBArchImplI386::GetRegisterContextSize()
1585 static uint32_t g_cached_size = 0;
1586 if (g_cached_size == 0)
1588 if (CPUHasAVX() || FORCE_AVX_REGS)
1590 for (size_t i=0; i<k_num_fpu_registers_avx; ++i)
1592 if (g_fpu_registers_avx[i].value_regs == NULL)
1593 g_cached_size += g_fpu_registers_avx[i].size;
1598 for (size_t i=0; i<k_num_fpu_registers_no_avx; ++i)
1600 if (g_fpu_registers_no_avx[i].value_regs == NULL)
1601 g_cached_size += g_fpu_registers_no_avx[i].size;
1604 DNBLogThreaded ("DNBArchImplX86_64::GetRegisterContextSize() - GPR = %zu, FPU = %u, EXC = %zu", sizeof(GPR), g_cached_size, sizeof(EXC));
1605 g_cached_size += sizeof(GPR);
1606 g_cached_size += sizeof(EXC);
1607 DNBLogThreaded ("DNBArchImplX86_64::GetRegisterContextSize() - GPR + FPU + EXC = %u", g_cached_size);
1609 return g_cached_size;
1614 DNBArchImplI386::GetRegisterContext (void *buf, nub_size_t buf_len)
1616 uint32_t size = GetRegisterContextSize();
1621 size = static_cast<uint32_t>(buf_len);
1625 if ((kret = GetGPRState(force)) != KERN_SUCCESS)
1627 DNBLogThreadedIf (LOG_THREAD, "DNBArchImplI386::GetRegisterContext (buf = %p, len = %llu) error: GPR regs failed to read: %u ", buf, (uint64_t)buf_len, kret);
1630 else if ((kret = GetFPUState(force)) != KERN_SUCCESS)
1632 DNBLogThreadedIf (LOG_THREAD, "DNBArchImplI386::GetRegisterContext (buf = %p, len = %llu) error: %s regs failed to read: %u", buf, (uint64_t)buf_len, CPUHasAVX() ? "AVX" : "FPU", kret);
1635 else if ((kret = GetEXCState(force)) != KERN_SUCCESS)
1637 DNBLogThreadedIf (LOG_THREAD, "DNBArchImplI386::GetRegisterContext (buf = %p, len = %llu) error: EXC regs failed to read: %u", buf, (uint64_t)buf_len, kret);
1642 uint8_t *p = (uint8_t *)buf;
1643 // Copy the GPR registers
1644 memcpy(p, &m_state.context.gpr, sizeof(GPR));
1647 if (CPUHasAVX() || FORCE_AVX_REGS)
1649 // Walk around the gaps in the FPU regs
1650 memcpy(p, &m_state.context.fpu.avx.__fpu_fcw, 5);
1652 memcpy(p, &m_state.context.fpu.avx.__fpu_fop, 8);
1654 memcpy(p, &m_state.context.fpu.avx.__fpu_dp, 6);
1656 memcpy(p, &m_state.context.fpu.avx.__fpu_mxcsr, 8);
1659 // Work around the padding between the stmm registers as they are 16
1660 // byte structs with 10 bytes of the value in each
1661 for (size_t i=0; i<8; ++i)
1663 memcpy(p, &m_state.context.fpu.avx.__fpu_stmm0 + i, 10);
1667 // Interleave the XMM and YMMH registers to make the YMM registers
1668 for (size_t i=0; i<8; ++i)
1670 memcpy(p, &m_state.context.fpu.avx.__fpu_xmm0 + i, 16);
1672 memcpy(p, &m_state.context.fpu.avx.__fpu_ymmh0 + i, 16);
1678 // Walk around the gaps in the FPU regs
1679 memcpy(p, &m_state.context.fpu.no_avx.__fpu_fcw, 5);
1681 memcpy(p, &m_state.context.fpu.no_avx.__fpu_fop, 8);
1683 memcpy(p, &m_state.context.fpu.no_avx.__fpu_dp, 6);
1685 memcpy(p, &m_state.context.fpu.no_avx.__fpu_mxcsr, 8);
1688 // Work around the padding between the stmm registers as they are 16
1689 // byte structs with 10 bytes of the value in each
1690 for (size_t i=0; i<8; ++i)
1692 memcpy(p, &m_state.context.fpu.no_avx.__fpu_stmm0 + i, 10);
1696 // Copy the XMM registers in a single block
1697 memcpy(p, &m_state.context.fpu.no_avx.__fpu_xmm0, 8 * 16);
1701 // Copy the exception registers
1702 memcpy(p, &m_state.context.exc, sizeof(EXC));
1705 // make sure we end up with exactly what we think we should have
1706 size_t bytes_written = p - (uint8_t *)buf;
1707 UNUSED_IF_ASSERT_DISABLED(bytes_written);
1708 assert (bytes_written == size);
1711 DNBLogThreadedIf (LOG_THREAD, "DNBArchImplI386::GetRegisterContext (buf = %p, len = %llu) => %llu", buf, (uint64_t)buf_len, (uint64_t)size);
1712 // Return the size of the register context even if NULL was passed in
1717 DNBArchImplI386::SetRegisterContext (const void *buf, nub_size_t buf_len)
1719 nub_size_t size = sizeof (m_state.context);
1720 if (buf == NULL || buf_len == 0)
1728 uint8_t *p = (uint8_t *)buf;
1729 // Copy the GPR registers
1730 memcpy(&m_state.context.gpr, p, sizeof(GPR));
1733 if (CPUHasAVX() || FORCE_AVX_REGS)
1735 // Walk around the gaps in the FPU regs
1736 memcpy(&m_state.context.fpu.avx.__fpu_fcw, p, 5);
1738 memcpy(&m_state.context.fpu.avx.__fpu_fop, p, 8);
1740 memcpy(&m_state.context.fpu.avx.__fpu_dp, p, 6);
1742 memcpy(&m_state.context.fpu.avx.__fpu_mxcsr, p, 8);
1745 // Work around the padding between the stmm registers as they are 16
1746 // byte structs with 10 bytes of the value in each
1747 for (size_t i=0; i<8; ++i)
1749 memcpy(&m_state.context.fpu.avx.__fpu_stmm0 + i, p, 10);
1753 // Interleave the XMM and YMMH registers to make the YMM registers
1754 for (size_t i=0; i<8; ++i)
1756 memcpy(&m_state.context.fpu.avx.__fpu_xmm0 + i, p, 16);
1758 memcpy(&m_state.context.fpu.avx.__fpu_ymmh0 + i, p, 16);
1764 // Copy fcw through mxcsrmask as there is no padding
1765 memcpy(&m_state.context.fpu.no_avx.__fpu_fcw, p, 5);
1767 memcpy(&m_state.context.fpu.no_avx.__fpu_fop, p, 8);
1769 memcpy(&m_state.context.fpu.no_avx.__fpu_dp, p, 6);
1771 memcpy(&m_state.context.fpu.no_avx.__fpu_mxcsr, p, 8);
1774 // Work around the padding between the stmm registers as they are 16
1775 // byte structs with 10 bytes of the value in each
1776 for (size_t i=0; i<8; ++i)
1778 memcpy(&m_state.context.fpu.no_avx.__fpu_stmm0 + i, p, 10);
1782 // Copy the XMM registers in a single block
1783 memcpy(&m_state.context.fpu.no_avx.__fpu_xmm0, p, 8 * 16);
1787 // Copy the exception registers
1788 memcpy(&m_state.context.exc, p, sizeof(EXC));
1791 // make sure we end up with exactly what we think we should have
1792 size_t bytes_written = p - (uint8_t *)buf;
1793 UNUSED_IF_ASSERT_DISABLED(bytes_written);
1794 assert (bytes_written == size);
1796 if ((kret = SetGPRState()) != KERN_SUCCESS)
1797 DNBLogThreadedIf (LOG_THREAD, "DNBArchImplI386::SetRegisterContext (buf = %p, len = %llu) error: GPR regs failed to write: %u", buf, (uint64_t)buf_len, kret);
1798 if ((kret = SetFPUState()) != KERN_SUCCESS)
1799 DNBLogThreadedIf (LOG_THREAD, "DNBArchImplI386::SetRegisterContext (buf = %p, len = %llu) error: %s regs failed to write: %u", buf, (uint64_t)buf_len, CPUHasAVX() ? "AVX" : "FPU", kret);
1800 if ((kret = SetEXCState()) != KERN_SUCCESS)
1801 DNBLogThreadedIf (LOG_THREAD, "DNBArchImplI386::SetRegisterContext (buf = %p, len = %llu) error: EXP regs failed to write: %u", buf, (uint64_t)buf_len, kret);
1803 DNBLogThreadedIf (LOG_THREAD, "DNBArchImplI386::SetRegisterContext (buf = %p, len = %llu) => %llu", buf, (uint64_t)buf_len, (uint64_t)size);
1809 DNBArchImplI386::SaveRegisterState ()
1811 kern_return_t kret = ::thread_abort_safely(m_thread->MachPortNumber());
1812 DNBLogThreadedIf (LOG_THREAD, "thread = 0x%4.4x calling thread_abort_safely (tid) => %u (SetGPRState() for stop_count = %u)", m_thread->MachPortNumber(), kret, m_thread->Process()->StopCount());
1816 if ((kret = GetGPRState(force)) != KERN_SUCCESS)
1818 DNBLogThreadedIf (LOG_THREAD, "DNBArchImplI386::SaveRegisterState () error: GPR regs failed to read: %u ", kret);
1820 else if ((kret = GetFPUState(force)) != KERN_SUCCESS)
1822 DNBLogThreadedIf (LOG_THREAD, "DNBArchImplI386::SaveRegisterState () error: %s regs failed to read: %u", CPUHasAVX() ? "AVX" : "FPU", kret);
1826 const uint32_t save_id = GetNextRegisterStateSaveID ();
1827 m_saved_register_states[save_id] = m_state.context;
1833 DNBArchImplI386::RestoreRegisterState (uint32_t save_id)
1835 SaveRegisterStates::iterator pos = m_saved_register_states.find(save_id);
1836 if (pos != m_saved_register_states.end())
1838 m_state.context.gpr = pos->second.gpr;
1839 m_state.context.fpu = pos->second.fpu;
1840 m_state.context.exc = pos->second.exc;
1841 m_state.SetError(e_regSetGPR, Read, 0);
1842 m_state.SetError(e_regSetFPU, Read, 0);
1843 m_state.SetError(e_regSetEXC, Read, 0);
1845 bool success = true;
1846 if ((kret = SetGPRState()) != KERN_SUCCESS)
1848 DNBLogThreadedIf (LOG_THREAD, "DNBArchImplI386::RestoreRegisterState (save_id = %u) error: GPR regs failed to write: %u", save_id, kret);
1851 else if ((kret = SetFPUState()) != KERN_SUCCESS)
1853 DNBLogThreadedIf (LOG_THREAD, "DNBArchImplI386::RestoreRegisterState (save_id = %u) error: %s regs failed to write: %u", save_id, CPUHasAVX() ? "AVX" : "FPU", kret);
1856 m_saved_register_states.erase(pos);
1864 DNBArchImplI386::GetRegisterState(int set, bool force)
1868 case e_regSetALL: return GetGPRState(force) | GetFPUState(force) | GetEXCState(force);
1869 case e_regSetGPR: return GetGPRState(force);
1870 case e_regSetFPU: return GetFPUState(force);
1871 case e_regSetEXC: return GetEXCState(force);
1874 return KERN_INVALID_ARGUMENT;
1878 DNBArchImplI386::SetRegisterState(int set)
1880 // Make sure we have a valid context to set.
1881 if (RegisterSetStateIsValid(set))
1885 case e_regSetALL: return SetGPRState() | SetFPUState() | SetEXCState();
1886 case e_regSetGPR: return SetGPRState();
1887 case e_regSetFPU: return SetFPUState();
1888 case e_regSetEXC: return SetEXCState();
1892 return KERN_INVALID_ARGUMENT;
1896 DNBArchImplI386::RegisterSetStateIsValid (int set) const
1898 return m_state.RegsAreValid(set);
1901 #endif // #if defined (__i386__)