DNBArchImplX86_64.cpp revision 34e71efd963d7422974739519abe4223909200a3
1//===-- DNBArchImplX86_64.cpp -----------------------------------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10//  Created by Greg Clayton on 6/25/07.
11//
12//===----------------------------------------------------------------------===//
13
14#if defined (__i386__) || defined (__x86_64__)
15
16#include <sys/cdefs.h>
17#include <sys/types.h>
18#include <sys/sysctl.h>
19
20#include "MacOSX/x86_64/DNBArchImplX86_64.h"
21#include "DNBLog.h"
22#include "MachThread.h"
23#include "MachProcess.h"
24#include <mach/mach.h>
25#include <stdlib.h>
26
27#if defined (LLDB_DEBUGSERVER_RELEASE) || defined (LLDB_DEBUGSERVER_DEBUG)
28enum debugState {
29    debugStateUnknown,
30    debugStateOff,
31    debugStateOn
32};
33
34static debugState sFPUDebugState = debugStateUnknown;
35static debugState sAVXForceState = debugStateUnknown;
36
37static bool DebugFPURegs ()
38{
39    if (sFPUDebugState == debugStateUnknown)
40    {
41        if (getenv("DNB_DEBUG_FPU_REGS"))
42            sFPUDebugState = debugStateOn;
43        else
44            sFPUDebugState = debugStateOff;
45    }
46
47    return (sFPUDebugState == debugStateOn);
48}
49
50static bool ForceAVXRegs ()
51{
52    if (sFPUDebugState == debugStateUnknown)
53    {
54        if (getenv("DNB_DEBUG_X86_FORCE_AVX_REGS"))
55            sAVXForceState = debugStateOn;
56        else
57            sAVXForceState = debugStateOff;
58    }
59
60    return (sAVXForceState == debugStateOn);
61}
62
63#define DEBUG_FPU_REGS (DebugFPURegs())
64#define FORCE_AVX_REGS (ForceAVXRegs())
65#else
66#define DEBUG_FPU_REGS (0)
67#define FORCE_AVX_REGS (0)
68#endif
69
70
71extern "C" bool
72CPUHasAVX()
73{
74    enum AVXPresence
75    {
76        eAVXUnknown     = -1,
77        eAVXNotPresent  =  0,
78        eAVXPresent     =  1
79    };
80
81    static AVXPresence g_has_avx = eAVXUnknown;
82    if (g_has_avx == eAVXUnknown)
83    {
84        g_has_avx = eAVXNotPresent;
85
86        // Only xnu-2020 or later has AVX support, any versions before
87        // this have a busted thread_get_state RPC where it would truncate
88        // the thread state buffer (<rdar://problem/10122874>). So we need to
89        // verify the kernel version number manually or disable AVX support.
90        int mib[2];
91        char buffer[1024];
92        size_t length = sizeof(buffer);
93        uint64_t xnu_version = 0;
94        mib[0] = CTL_KERN;
95        mib[1] = KERN_VERSION;
96        int err = ::sysctl(mib, 2, &buffer, &length, NULL, 0);
97        if (err == 0)
98        {
99            const char *xnu = strstr (buffer, "xnu-");
100            if (xnu)
101            {
102                const char *xnu_version_cstr = xnu + 4;
103                xnu_version = strtoull (xnu_version_cstr, NULL, 0);
104                if (xnu_version >= 2020 && xnu_version != ULLONG_MAX)
105                {
106                    if (::HasAVX())
107                    {
108                        g_has_avx = eAVXPresent;
109                    }
110                }
111            }
112        }
113        DNBLogThreadedIf (LOG_THREAD, "CPUHasAVX(): g_has_avx = %i (err = %i, errno = %i, xnu_version = %llu)", g_has_avx, err, errno, xnu_version);
114    }
115
116    return (g_has_avx == eAVXPresent);
117}
118
119uint64_t
120DNBArchImplX86_64::GetPC(uint64_t failValue)
121{
122    // Get program counter
123    if (GetGPRState(false) == KERN_SUCCESS)
124        return m_state.context.gpr.__rip;
125    return failValue;
126}
127
128kern_return_t
129DNBArchImplX86_64::SetPC(uint64_t value)
130{
131    // Get program counter
132    kern_return_t err = GetGPRState(false);
133    if (err == KERN_SUCCESS)
134    {
135        m_state.context.gpr.__rip = value;
136        err = SetGPRState();
137    }
138    return err == KERN_SUCCESS;
139}
140
141uint64_t
142DNBArchImplX86_64::GetSP(uint64_t failValue)
143{
144    // Get stack pointer
145    if (GetGPRState(false) == KERN_SUCCESS)
146        return m_state.context.gpr.__rsp;
147    return failValue;
148}
149
150// Uncomment the value below to verify the values in the debugger.
151//#define DEBUG_GPR_VALUES 1    // DO NOT CHECK IN WITH THIS DEFINE ENABLED
152
153kern_return_t
154DNBArchImplX86_64::GetGPRState(bool force)
155{
156    if (force || m_state.GetError(e_regSetGPR, Read))
157    {
158#if DEBUG_GPR_VALUES
159        m_state.context.gpr.__rax = ('a' << 8) + 'x';
160        m_state.context.gpr.__rbx = ('b' << 8) + 'x';
161        m_state.context.gpr.__rcx = ('c' << 8) + 'x';
162        m_state.context.gpr.__rdx = ('d' << 8) + 'x';
163        m_state.context.gpr.__rdi = ('d' << 8) + 'i';
164        m_state.context.gpr.__rsi = ('s' << 8) + 'i';
165        m_state.context.gpr.__rbp = ('b' << 8) + 'p';
166        m_state.context.gpr.__rsp = ('s' << 8) + 'p';
167        m_state.context.gpr.__r8  = ('r' << 8) + '8';
168        m_state.context.gpr.__r9  = ('r' << 8) + '9';
169        m_state.context.gpr.__r10 = ('r' << 8) + 'a';
170        m_state.context.gpr.__r11 = ('r' << 8) + 'b';
171        m_state.context.gpr.__r12 = ('r' << 8) + 'c';
172        m_state.context.gpr.__r13 = ('r' << 8) + 'd';
173        m_state.context.gpr.__r14 = ('r' << 8) + 'e';
174        m_state.context.gpr.__r15 = ('r' << 8) + 'f';
175        m_state.context.gpr.__rip = ('i' << 8) + 'p';
176        m_state.context.gpr.__rflags = ('f' << 8) + 'l';
177        m_state.context.gpr.__cs = ('c' << 8) + 's';
178        m_state.context.gpr.__fs = ('f' << 8) + 's';
179        m_state.context.gpr.__gs = ('g' << 8) + 's';
180        m_state.SetError(e_regSetGPR, Read, 0);
181#else
182        mach_msg_type_number_t count = e_regSetWordSizeGPR;
183        m_state.SetError(e_regSetGPR, Read, ::thread_get_state(m_thread->ThreadID(), __x86_64_THREAD_STATE, (thread_state_t)&m_state.context.gpr, &count));
184        DNBLogThreadedIf (LOG_THREAD, "::thread_get_state (0x%4.4x, %u, &gpr, %u) => 0x%8.8x"
185                          "\n\trax = %16.16llx rbx = %16.16llx rcx = %16.16llx rdx = %16.16llx"
186                          "\n\trdi = %16.16llx rsi = %16.16llx rbp = %16.16llx rsp = %16.16llx"
187                          "\n\t r8 = %16.16llx  r9 = %16.16llx r10 = %16.16llx r11 = %16.16llx"
188                          "\n\tr12 = %16.16llx r13 = %16.16llx r14 = %16.16llx r15 = %16.16llx"
189                          "\n\trip = %16.16llx"
190                          "\n\tflg = %16.16llx  cs = %16.16llx  fs = %16.16llx  gs = %16.16llx",
191                          m_thread->ThreadID(), x86_THREAD_STATE64, x86_THREAD_STATE64_COUNT,
192                          m_state.GetError(e_regSetGPR, Read),
193                          m_state.context.gpr.__rax,m_state.context.gpr.__rbx,m_state.context.gpr.__rcx,
194                          m_state.context.gpr.__rdx,m_state.context.gpr.__rdi,m_state.context.gpr.__rsi,
195                          m_state.context.gpr.__rbp,m_state.context.gpr.__rsp,m_state.context.gpr.__r8,
196                          m_state.context.gpr.__r9, m_state.context.gpr.__r10,m_state.context.gpr.__r11,
197                          m_state.context.gpr.__r12,m_state.context.gpr.__r13,m_state.context.gpr.__r14,
198                          m_state.context.gpr.__r15,m_state.context.gpr.__rip,m_state.context.gpr.__rflags,
199                          m_state.context.gpr.__cs,m_state.context.gpr.__fs, m_state.context.gpr.__gs);
200
201        //      DNBLogThreadedIf (LOG_THREAD, "thread_get_state(0x%4.4x, %u, &gpr, %u) => 0x%8.8x"
202        //                        "\n\trax = %16.16llx"
203        //                        "\n\trbx = %16.16llx"
204        //                        "\n\trcx = %16.16llx"
205        //                        "\n\trdx = %16.16llx"
206        //                        "\n\trdi = %16.16llx"
207        //                        "\n\trsi = %16.16llx"
208        //                        "\n\trbp = %16.16llx"
209        //                        "\n\trsp = %16.16llx"
210        //                        "\n\t r8 = %16.16llx"
211        //                        "\n\t r9 = %16.16llx"
212        //                        "\n\tr10 = %16.16llx"
213        //                        "\n\tr11 = %16.16llx"
214        //                        "\n\tr12 = %16.16llx"
215        //                        "\n\tr13 = %16.16llx"
216        //                        "\n\tr14 = %16.16llx"
217        //                        "\n\tr15 = %16.16llx"
218        //                        "\n\trip = %16.16llx"
219        //                        "\n\tflg = %16.16llx"
220        //                        "\n\t cs = %16.16llx"
221        //                        "\n\t fs = %16.16llx"
222        //                        "\n\t gs = %16.16llx",
223        //                        m_thread->ThreadID(),
224        //                        x86_THREAD_STATE64,
225        //                        x86_THREAD_STATE64_COUNT,
226        //                        m_state.GetError(e_regSetGPR, Read),
227        //                        m_state.context.gpr.__rax,
228        //                        m_state.context.gpr.__rbx,
229        //                        m_state.context.gpr.__rcx,
230        //                        m_state.context.gpr.__rdx,
231        //                        m_state.context.gpr.__rdi,
232        //                        m_state.context.gpr.__rsi,
233        //                        m_state.context.gpr.__rbp,
234        //                        m_state.context.gpr.__rsp,
235        //                        m_state.context.gpr.__r8,
236        //                        m_state.context.gpr.__r9,
237        //                        m_state.context.gpr.__r10,
238        //                        m_state.context.gpr.__r11,
239        //                        m_state.context.gpr.__r12,
240        //                        m_state.context.gpr.__r13,
241        //                        m_state.context.gpr.__r14,
242        //                        m_state.context.gpr.__r15,
243        //                        m_state.context.gpr.__rip,
244        //                        m_state.context.gpr.__rflags,
245        //                        m_state.context.gpr.__cs,
246        //                        m_state.context.gpr.__fs,
247        //                        m_state.context.gpr.__gs);
248#endif
249    }
250    return m_state.GetError(e_regSetGPR, Read);
251}
252
253// Uncomment the value below to verify the values in the debugger.
254//#define DEBUG_FPU_REGS 1    // DO NOT CHECK IN WITH THIS DEFINE ENABLED
255
256kern_return_t
257DNBArchImplX86_64::GetFPUState(bool force)
258{
259    if (force || m_state.GetError(e_regSetFPU, Read))
260    {
261        if (DEBUG_FPU_REGS) {
262            if (CPUHasAVX() || FORCE_AVX_REGS)
263            {
264                m_state.context.fpu.avx.__fpu_reserved[0] = -1;
265                m_state.context.fpu.avx.__fpu_reserved[1] = -1;
266                *(uint16_t *)&(m_state.context.fpu.avx.__fpu_fcw) = 0x1234;
267                *(uint16_t *)&(m_state.context.fpu.avx.__fpu_fsw) = 0x5678;
268                m_state.context.fpu.avx.__fpu_ftw = 1;
269                m_state.context.fpu.avx.__fpu_rsrv1 = UINT8_MAX;
270                m_state.context.fpu.avx.__fpu_fop = 2;
271                m_state.context.fpu.avx.__fpu_ip = 3;
272                m_state.context.fpu.avx.__fpu_cs = 4;
273                m_state.context.fpu.avx.__fpu_rsrv2 = 5;
274                m_state.context.fpu.avx.__fpu_dp = 6;
275                m_state.context.fpu.avx.__fpu_ds = 7;
276                m_state.context.fpu.avx.__fpu_rsrv3 = UINT16_MAX;
277                m_state.context.fpu.avx.__fpu_mxcsr = 8;
278                m_state.context.fpu.avx.__fpu_mxcsrmask = 9;
279                int i;
280                for (i=0; i<16; ++i)
281                {
282                    if (i<10)
283                    {
284                        m_state.context.fpu.avx.__fpu_stmm0.__mmst_reg[i] = 'a';
285                        m_state.context.fpu.avx.__fpu_stmm1.__mmst_reg[i] = 'b';
286                        m_state.context.fpu.avx.__fpu_stmm2.__mmst_reg[i] = 'c';
287                        m_state.context.fpu.avx.__fpu_stmm3.__mmst_reg[i] = 'd';
288                        m_state.context.fpu.avx.__fpu_stmm4.__mmst_reg[i] = 'e';
289                        m_state.context.fpu.avx.__fpu_stmm5.__mmst_reg[i] = 'f';
290                        m_state.context.fpu.avx.__fpu_stmm6.__mmst_reg[i] = 'g';
291                        m_state.context.fpu.avx.__fpu_stmm7.__mmst_reg[i] = 'h';
292                    }
293                    else
294                    {
295                        m_state.context.fpu.avx.__fpu_stmm0.__mmst_reg[i] = INT8_MIN;
296                        m_state.context.fpu.avx.__fpu_stmm1.__mmst_reg[i] = INT8_MIN;
297                        m_state.context.fpu.avx.__fpu_stmm2.__mmst_reg[i] = INT8_MIN;
298                        m_state.context.fpu.avx.__fpu_stmm3.__mmst_reg[i] = INT8_MIN;
299                        m_state.context.fpu.avx.__fpu_stmm4.__mmst_reg[i] = INT8_MIN;
300                        m_state.context.fpu.avx.__fpu_stmm5.__mmst_reg[i] = INT8_MIN;
301                        m_state.context.fpu.avx.__fpu_stmm6.__mmst_reg[i] = INT8_MIN;
302                        m_state.context.fpu.avx.__fpu_stmm7.__mmst_reg[i] = INT8_MIN;
303                    }
304
305                    m_state.context.fpu.avx.__fpu_xmm0.__xmm_reg[i] = '0';
306                    m_state.context.fpu.avx.__fpu_xmm1.__xmm_reg[i] = '1';
307                    m_state.context.fpu.avx.__fpu_xmm2.__xmm_reg[i] = '2';
308                    m_state.context.fpu.avx.__fpu_xmm3.__xmm_reg[i] = '3';
309                    m_state.context.fpu.avx.__fpu_xmm4.__xmm_reg[i] = '4';
310                    m_state.context.fpu.avx.__fpu_xmm5.__xmm_reg[i] = '5';
311                    m_state.context.fpu.avx.__fpu_xmm6.__xmm_reg[i] = '6';
312                    m_state.context.fpu.avx.__fpu_xmm7.__xmm_reg[i] = '7';
313                    m_state.context.fpu.avx.__fpu_xmm8.__xmm_reg[i] = '8';
314                    m_state.context.fpu.avx.__fpu_xmm9.__xmm_reg[i] = '9';
315                    m_state.context.fpu.avx.__fpu_xmm10.__xmm_reg[i] = 'A';
316                    m_state.context.fpu.avx.__fpu_xmm11.__xmm_reg[i] = 'B';
317                    m_state.context.fpu.avx.__fpu_xmm12.__xmm_reg[i] = 'C';
318                    m_state.context.fpu.avx.__fpu_xmm13.__xmm_reg[i] = 'D';
319                    m_state.context.fpu.avx.__fpu_xmm14.__xmm_reg[i] = 'E';
320                    m_state.context.fpu.avx.__fpu_xmm15.__xmm_reg[i] = 'F';
321
322                    m_state.context.fpu.avx.__fpu_ymmh0.__xmm_reg[i] = '0';
323                    m_state.context.fpu.avx.__fpu_ymmh1.__xmm_reg[i] = '1';
324                    m_state.context.fpu.avx.__fpu_ymmh2.__xmm_reg[i] = '2';
325                    m_state.context.fpu.avx.__fpu_ymmh3.__xmm_reg[i] = '3';
326                    m_state.context.fpu.avx.__fpu_ymmh4.__xmm_reg[i] = '4';
327                    m_state.context.fpu.avx.__fpu_ymmh5.__xmm_reg[i] = '5';
328                    m_state.context.fpu.avx.__fpu_ymmh6.__xmm_reg[i] = '6';
329                    m_state.context.fpu.avx.__fpu_ymmh7.__xmm_reg[i] = '7';
330                    m_state.context.fpu.avx.__fpu_ymmh8.__xmm_reg[i] = '8';
331                    m_state.context.fpu.avx.__fpu_ymmh9.__xmm_reg[i] = '9';
332                    m_state.context.fpu.avx.__fpu_ymmh10.__xmm_reg[i] = 'A';
333                    m_state.context.fpu.avx.__fpu_ymmh11.__xmm_reg[i] = 'B';
334                    m_state.context.fpu.avx.__fpu_ymmh12.__xmm_reg[i] = 'C';
335                    m_state.context.fpu.avx.__fpu_ymmh13.__xmm_reg[i] = 'D';
336                    m_state.context.fpu.avx.__fpu_ymmh14.__xmm_reg[i] = 'E';
337                    m_state.context.fpu.avx.__fpu_ymmh15.__xmm_reg[i] = 'F';
338                }
339                for (i=0; i<sizeof(m_state.context.fpu.avx.__fpu_rsrv4); ++i)
340                    m_state.context.fpu.avx.__fpu_rsrv4[i] = INT8_MIN;
341                m_state.context.fpu.avx.__fpu_reserved1 = -1;
342                for (i=0; i<sizeof(m_state.context.fpu.avx.__avx_reserved1); ++i)
343                    m_state.context.fpu.avx.__avx_reserved1[i] = INT8_MIN;
344                m_state.SetError(e_regSetFPU, Read, 0);
345            }
346            else
347            {
348                m_state.context.fpu.no_avx.__fpu_reserved[0] = -1;
349                m_state.context.fpu.no_avx.__fpu_reserved[1] = -1;
350                *(uint16_t *)&(m_state.context.fpu.no_avx.__fpu_fcw) = 0x1234;
351                *(uint16_t *)&(m_state.context.fpu.no_avx.__fpu_fsw) = 0x5678;
352                m_state.context.fpu.no_avx.__fpu_ftw = 1;
353                m_state.context.fpu.no_avx.__fpu_rsrv1 = UINT8_MAX;
354                m_state.context.fpu.no_avx.__fpu_fop = 2;
355                m_state.context.fpu.no_avx.__fpu_ip = 3;
356                m_state.context.fpu.no_avx.__fpu_cs = 4;
357                m_state.context.fpu.no_avx.__fpu_rsrv2 = 5;
358                m_state.context.fpu.no_avx.__fpu_dp = 6;
359                m_state.context.fpu.no_avx.__fpu_ds = 7;
360                m_state.context.fpu.no_avx.__fpu_rsrv3 = UINT16_MAX;
361                m_state.context.fpu.no_avx.__fpu_mxcsr = 8;
362                m_state.context.fpu.no_avx.__fpu_mxcsrmask = 9;
363                int i;
364                for (i=0; i<16; ++i)
365                {
366                    if (i<10)
367                    {
368                        m_state.context.fpu.no_avx.__fpu_stmm0.__mmst_reg[i] = 'a';
369                        m_state.context.fpu.no_avx.__fpu_stmm1.__mmst_reg[i] = 'b';
370                        m_state.context.fpu.no_avx.__fpu_stmm2.__mmst_reg[i] = 'c';
371                        m_state.context.fpu.no_avx.__fpu_stmm3.__mmst_reg[i] = 'd';
372                        m_state.context.fpu.no_avx.__fpu_stmm4.__mmst_reg[i] = 'e';
373                        m_state.context.fpu.no_avx.__fpu_stmm5.__mmst_reg[i] = 'f';
374                        m_state.context.fpu.no_avx.__fpu_stmm6.__mmst_reg[i] = 'g';
375                        m_state.context.fpu.no_avx.__fpu_stmm7.__mmst_reg[i] = 'h';
376                    }
377                    else
378                    {
379                        m_state.context.fpu.no_avx.__fpu_stmm0.__mmst_reg[i] = INT8_MIN;
380                        m_state.context.fpu.no_avx.__fpu_stmm1.__mmst_reg[i] = INT8_MIN;
381                        m_state.context.fpu.no_avx.__fpu_stmm2.__mmst_reg[i] = INT8_MIN;
382                        m_state.context.fpu.no_avx.__fpu_stmm3.__mmst_reg[i] = INT8_MIN;
383                        m_state.context.fpu.no_avx.__fpu_stmm4.__mmst_reg[i] = INT8_MIN;
384                        m_state.context.fpu.no_avx.__fpu_stmm5.__mmst_reg[i] = INT8_MIN;
385                        m_state.context.fpu.no_avx.__fpu_stmm6.__mmst_reg[i] = INT8_MIN;
386                        m_state.context.fpu.no_avx.__fpu_stmm7.__mmst_reg[i] = INT8_MIN;
387                    }
388
389                    m_state.context.fpu.no_avx.__fpu_xmm0.__xmm_reg[i] = '0';
390                    m_state.context.fpu.no_avx.__fpu_xmm1.__xmm_reg[i] = '1';
391                    m_state.context.fpu.no_avx.__fpu_xmm2.__xmm_reg[i] = '2';
392                    m_state.context.fpu.no_avx.__fpu_xmm3.__xmm_reg[i] = '3';
393                    m_state.context.fpu.no_avx.__fpu_xmm4.__xmm_reg[i] = '4';
394                    m_state.context.fpu.no_avx.__fpu_xmm5.__xmm_reg[i] = '5';
395                    m_state.context.fpu.no_avx.__fpu_xmm6.__xmm_reg[i] = '6';
396                    m_state.context.fpu.no_avx.__fpu_xmm7.__xmm_reg[i] = '7';
397                    m_state.context.fpu.no_avx.__fpu_xmm8.__xmm_reg[i] = '8';
398                    m_state.context.fpu.no_avx.__fpu_xmm9.__xmm_reg[i] = '9';
399                    m_state.context.fpu.no_avx.__fpu_xmm10.__xmm_reg[i] = 'A';
400                    m_state.context.fpu.no_avx.__fpu_xmm11.__xmm_reg[i] = 'B';
401                    m_state.context.fpu.no_avx.__fpu_xmm12.__xmm_reg[i] = 'C';
402                    m_state.context.fpu.no_avx.__fpu_xmm13.__xmm_reg[i] = 'D';
403                    m_state.context.fpu.no_avx.__fpu_xmm14.__xmm_reg[i] = 'E';
404                    m_state.context.fpu.no_avx.__fpu_xmm15.__xmm_reg[i] = 'F';
405                }
406                for (i=0; i<sizeof(m_state.context.fpu.no_avx.__fpu_rsrv4); ++i)
407                    m_state.context.fpu.no_avx.__fpu_rsrv4[i] = INT8_MIN;
408                m_state.context.fpu.no_avx.__fpu_reserved1 = -1;
409                m_state.SetError(e_regSetFPU, Read, 0);
410            }
411        }
412        else
413        {
414            if (CPUHasAVX() || FORCE_AVX_REGS)
415            {
416                mach_msg_type_number_t count = e_regSetWordSizeAVX;
417                m_state.SetError(e_regSetFPU, Read, ::thread_get_state(m_thread->ThreadID(), __x86_64_AVX_STATE, (thread_state_t)&m_state.context.fpu.avx, &count));
418                DNBLogThreadedIf (LOG_THREAD, "::thread_get_state (0x%4.4x, %u, &avx, %u (%u passed in) carp) => 0x%8.8x",
419                                  m_thread->ThreadID(), __x86_64_AVX_STATE, (uint32_t)count,
420                                  e_regSetWordSizeAVX, m_state.GetError(e_regSetFPU, Read));
421            }
422            else
423            {
424                mach_msg_type_number_t count = e_regSetWordSizeFPU;
425                m_state.SetError(e_regSetFPU, Read, ::thread_get_state(m_thread->ThreadID(), __x86_64_FLOAT_STATE, (thread_state_t)&m_state.context.fpu.no_avx, &count));
426                DNBLogThreadedIf (LOG_THREAD, "::thread_get_state (0x%4.4x, %u, &fpu, %u (%u passed in) => 0x%8.8x",
427                                  m_thread->ThreadID(), __x86_64_FLOAT_STATE, (uint32_t)count,
428                                  e_regSetWordSizeFPU, m_state.GetError(e_regSetFPU, Read));
429            }
430        }
431    }
432    return m_state.GetError(e_regSetFPU, Read);
433}
434
435kern_return_t
436DNBArchImplX86_64::GetEXCState(bool force)
437{
438    if (force || m_state.GetError(e_regSetEXC, Read))
439    {
440        mach_msg_type_number_t count = e_regSetWordSizeEXC;
441        m_state.SetError(e_regSetEXC, Read, ::thread_get_state(m_thread->ThreadID(), __x86_64_EXCEPTION_STATE, (thread_state_t)&m_state.context.exc, &count));
442    }
443    return m_state.GetError(e_regSetEXC, Read);
444}
445
446kern_return_t
447DNBArchImplX86_64::SetGPRState()
448{
449    kern_return_t kret = ::thread_abort_safely(m_thread->ThreadID());
450    DNBLogThreadedIf (LOG_THREAD, "thread = 0x%4.4x calling thread_abort_safely (tid) => %u (SetGPRState() for stop_count = %u)", m_thread->ThreadID(), kret, m_thread->Process()->StopCount());
451
452    m_state.SetError(e_regSetGPR, Write, ::thread_set_state(m_thread->ThreadID(), __x86_64_THREAD_STATE, (thread_state_t)&m_state.context.gpr, e_regSetWordSizeGPR));
453    DNBLogThreadedIf (LOG_THREAD, "::thread_set_state (0x%4.4x, %u, &gpr, %u) => 0x%8.8x"
454                      "\n\trax = %16.16llx rbx = %16.16llx rcx = %16.16llx rdx = %16.16llx"
455                      "\n\trdi = %16.16llx rsi = %16.16llx rbp = %16.16llx rsp = %16.16llx"
456                      "\n\t r8 = %16.16llx  r9 = %16.16llx r10 = %16.16llx r11 = %16.16llx"
457                      "\n\tr12 = %16.16llx r13 = %16.16llx r14 = %16.16llx r15 = %16.16llx"
458                      "\n\trip = %16.16llx"
459                      "\n\tflg = %16.16llx  cs = %16.16llx  fs = %16.16llx  gs = %16.16llx",
460                      m_thread->ThreadID(), __x86_64_THREAD_STATE, e_regSetWordSizeGPR,
461                      m_state.GetError(e_regSetGPR, Write),
462                      m_state.context.gpr.__rax,m_state.context.gpr.__rbx,m_state.context.gpr.__rcx,
463                      m_state.context.gpr.__rdx,m_state.context.gpr.__rdi,m_state.context.gpr.__rsi,
464                      m_state.context.gpr.__rbp,m_state.context.gpr.__rsp,m_state.context.gpr.__r8,
465                      m_state.context.gpr.__r9, m_state.context.gpr.__r10,m_state.context.gpr.__r11,
466                      m_state.context.gpr.__r12,m_state.context.gpr.__r13,m_state.context.gpr.__r14,
467                      m_state.context.gpr.__r15,m_state.context.gpr.__rip,m_state.context.gpr.__rflags,
468                      m_state.context.gpr.__cs, m_state.context.gpr.__fs, m_state.context.gpr.__gs);
469    return m_state.GetError(e_regSetGPR, Write);
470}
471
472kern_return_t
473DNBArchImplX86_64::SetFPUState()
474{
475    if (DEBUG_FPU_REGS)
476    {
477        m_state.SetError(e_regSetFPU, Write, 0);
478        return m_state.GetError(e_regSetFPU, Write);
479    }
480    else
481    {
482        if (CPUHasAVX() || FORCE_AVX_REGS)
483        {
484            m_state.SetError(e_regSetFPU, Write, ::thread_set_state(m_thread->ThreadID(), __x86_64_AVX_STATE, (thread_state_t)&m_state.context.fpu.avx, e_regSetWordSizeAVX));
485            return m_state.GetError(e_regSetFPU, Write);
486        }
487        else
488        {
489            m_state.SetError(e_regSetFPU, Write, ::thread_set_state(m_thread->ThreadID(), __x86_64_FLOAT_STATE, (thread_state_t)&m_state.context.fpu.no_avx, e_regSetWordSizeFPU));
490            return m_state.GetError(e_regSetFPU, Write);
491        }
492    }
493}
494
495kern_return_t
496DNBArchImplX86_64::SetEXCState()
497{
498    m_state.SetError(e_regSetEXC, Write, ::thread_set_state(m_thread->ThreadID(), __x86_64_EXCEPTION_STATE, (thread_state_t)&m_state.context.exc, e_regSetWordSizeEXC));
499    return m_state.GetError(e_regSetEXC, Write);
500}
501
502kern_return_t
503DNBArchImplX86_64::GetDBGState(bool force)
504{
505    if (force || m_state.GetError(e_regSetDBG, Read))
506    {
507        mach_msg_type_number_t count = e_regSetWordSizeDBG;
508        m_state.SetError(e_regSetDBG, Read, ::thread_get_state(m_thread->ThreadID(), __x86_64_DEBUG_STATE, (thread_state_t)&m_state.context.dbg, &count));
509    }
510    return m_state.GetError(e_regSetDBG, Read);
511}
512
513kern_return_t
514DNBArchImplX86_64::SetDBGState()
515{
516    m_state.SetError(e_regSetDBG, Write, ::thread_set_state(m_thread->ThreadID(), __x86_64_DEBUG_STATE, (thread_state_t)&m_state.context.dbg, e_regSetWordSizeDBG));
517    return m_state.GetError(e_regSetDBG, Write);
518}
519
520void
521DNBArchImplX86_64::ThreadWillResume()
522{
523    // Do we need to step this thread? If so, let the mach thread tell us so.
524    if (m_thread->IsStepping())
525    {
526        // This is the primary thread, let the arch do anything it needs
527        EnableHardwareSingleStep(true);
528    }
529
530    // Reset the debug status register, if necessary, before we resume.
531    kern_return_t kret = GetDBGState(false);
532    DNBLogThreadedIf(LOG_WATCHPOINTS, "DNBArchImplX86_64::ThreadWillResume() GetDBGState() => 0x%8.8x.", kret);
533    if (kret != KERN_SUCCESS)
534        return;
535
536    DBG &debug_state = m_state.context.dbg;
537    bool need_reset = false;
538    uint32_t i, num = NumSupportedHardwareWatchpoints();
539    for (i = 0; i < num; ++i)
540        if (IsWatchpointHit(debug_state, i))
541            need_reset = true;
542
543    if (need_reset)
544    {
545        ClearWatchpointHits(debug_state);
546        kret = SetDBGState();
547        DNBLogThreadedIf(LOG_WATCHPOINTS, "DNBArchImplX86_64::ThreadWillResume() SetDBGState() => 0x%8.8x.", kret);
548    }
549}
550
551bool
552DNBArchImplX86_64::ThreadDidStop()
553{
554    bool success = true;
555
556    m_state.InvalidateAllRegisterStates();
557
558    // Are we stepping a single instruction?
559    if (GetGPRState(true) == KERN_SUCCESS)
560    {
561        // We are single stepping, was this the primary thread?
562        if (m_thread->IsStepping())
563        {
564            // This was the primary thread, we need to clear the trace
565            // bit if so.
566            success = EnableHardwareSingleStep(false) == KERN_SUCCESS;
567        }
568        else
569        {
570            // The MachThread will automatically restore the suspend count
571            // in ThreadDidStop(), so we don't need to do anything here if
572            // we weren't the primary thread the last time
573        }
574    }
575    return success;
576}
577
578bool
579DNBArchImplX86_64::NotifyException(MachException::Data& exc)
580{
581    switch (exc.exc_type)
582    {
583        case EXC_BAD_ACCESS:
584            break;
585        case EXC_BAD_INSTRUCTION:
586            break;
587        case EXC_ARITHMETIC:
588            break;
589        case EXC_EMULATION:
590            break;
591        case EXC_SOFTWARE:
592            break;
593        case EXC_BREAKPOINT:
594            if (exc.exc_data.size() >= 2 && exc.exc_data[0] == 2)
595            {
596                // exc_code = EXC_I386_BPT
597                //
598                nub_addr_t pc = GetPC(INVALID_NUB_ADDRESS);
599                if (pc != INVALID_NUB_ADDRESS && pc > 0)
600                {
601                    pc -= 1;
602                    // Check for a breakpoint at one byte prior to the current PC value
603                    // since the PC will be just past the trap.
604
605                    nub_break_t breakID = m_thread->Process()->Breakpoints().FindIDByAddress(pc);
606                    if (NUB_BREAK_ID_IS_VALID(breakID))
607                    {
608                        // Backup the PC for i386 since the trap was taken and the PC
609                        // is at the address following the single byte trap instruction.
610                        if (m_state.context.gpr.__rip > 0)
611                        {
612                            m_state.context.gpr.__rip = pc;
613                            // Write the new PC back out
614                            SetGPRState ();
615                        }
616                    }
617                    return true;
618                }
619            }
620            else if (exc.exc_data.size() >= 2 && exc.exc_data[0] == 1)
621            {
622                // exc_code = EXC_I386_SGL
623                //
624                // Check whether this corresponds to a watchpoint hit event.
625                // If yes, set the exc_sub_code to the data break address.
626                nub_addr_t addr = 0;
627                uint32_t hw_index = GetHardwareWatchpointHit(addr);
628                if (hw_index != INVALID_NUB_HW_INDEX)
629                {
630                    exc.exc_data[1] = addr;
631                    // Piggyback the hw_index in the exc.data.
632                    exc.exc_data.push_back(hw_index);
633                }
634
635                return true;
636            }
637            break;
638        case EXC_SYSCALL:
639            break;
640        case EXC_MACH_SYSCALL:
641            break;
642        case EXC_RPC_ALERT:
643            break;
644    }
645    return false;
646}
647
648uint32_t
649DNBArchImplX86_64::NumSupportedHardwareWatchpoints()
650{
651    // Available debug address registers: dr0, dr1, dr2, dr3.
652    return 4;
653}
654
655static uint32_t
656size_and_rw_bits(nub_size_t size, bool read, bool write)
657{
658    uint32_t rw;
659    if (read) {
660        rw = 0x3; // READ or READ/WRITE
661    } else if (write) {
662        rw = 0x1; // WRITE
663    } else {
664        assert(0 && "read and write cannot both be false");
665    }
666
667    switch (size) {
668    case 1:
669        return rw;
670    case 2:
671        return (0x1 << 2) | rw;
672    case 4:
673        return (0x3 << 2) | rw;
674    case 8:
675        return (0x2 << 2) | rw;
676    default:
677        assert(0 && "invalid size, must be one of 1, 2, 4, or 8");
678    }
679}
680void
681DNBArchImplX86_64::SetWatchpoint(DBG &debug_state, uint32_t hw_index, nub_addr_t addr, nub_size_t size, bool read, bool write)
682{
683    // Set both dr7 (debug control register) and dri (debug address register).
684
685    // dr7{7-0} encodes the local/gloabl enable bits:
686    //  global enable --. .-- local enable
687    //                  | |
688    //                  v v
689    //      dr0 -> bits{1-0}
690    //      dr1 -> bits{3-2}
691    //      dr2 -> bits{5-4}
692    //      dr3 -> bits{7-6}
693    //
694    // dr7{31-16} encodes the rw/len bits:
695    //  b_x+3, b_x+2, b_x+1, b_x
696    //      where bits{x+1, x} => rw
697    //            0b00: execute, 0b01: write, 0b11: read-or-write, 0b10: io read-or-write (unused)
698    //      and bits{x+3, x+2} => len
699    //            0b00: 1-byte, 0b01: 2-byte, 0b11: 4-byte, 0b10: 8-byte
700    //
701    //      dr0 -> bits{19-16}
702    //      dr1 -> bits{23-20}
703    //      dr2 -> bits{27-24}
704    //      dr3 -> bits{31-28}
705    debug_state.__dr7 |= (1 << (2*hw_index) |
706                          size_and_rw_bits(size, read, write) << (16+4*hw_index));
707    switch (hw_index) {
708    case 0:
709        debug_state.__dr0 = addr; break;
710    case 1:
711        debug_state.__dr1 = addr; break;
712    case 2:
713        debug_state.__dr2 = addr; break;
714    case 3:
715        debug_state.__dr3 = addr; break;
716    default:
717        assert(0 && "invalid hardware register index, must be one of 0, 1, 2, or 3");
718    }
719    return;
720}
721
722void
723DNBArchImplX86_64::ClearWatchpoint(DBG &debug_state, uint32_t hw_index)
724{
725    debug_state.__dr7 &= ~(3 << (2*hw_index));
726    switch (hw_index) {
727    case 0:
728        debug_state.__dr0 = 0; break;
729    case 1:
730        debug_state.__dr1 = 0; break;
731    case 2:
732        debug_state.__dr2 = 0; break;
733    case 3:
734        debug_state.__dr3 = 0; break;
735    default:
736        assert(0 && "invalid hardware register index, must be one of 0, 1, 2, or 3");
737    }
738    return;
739}
740
741bool
742DNBArchImplX86_64::IsWatchpointVacant(const DBG &debug_state, uint32_t hw_index)
743{
744    // Check dr7 (debug control register) for local/global enable bits:
745    //  global enable --. .-- local enable
746    //                  | |
747    //                  v v
748    //      dr0 -> bits{1-0}
749    //      dr1 -> bits{3-2}
750    //      dr2 -> bits{5-4}
751    //      dr3 -> bits{7-6}
752    return (debug_state.__dr7 & (3 << (2*hw_index))) == 0;
753}
754
755// Resets local copy of debug status register to wait for the next debug excpetion.
756void
757DNBArchImplX86_64::ClearWatchpointHits(DBG &debug_state)
758{
759    // See also IsWatchpointHit().
760    debug_state.__dr6 = 0;
761    return;
762}
763
764bool
765DNBArchImplX86_64::IsWatchpointHit(const DBG &debug_state, uint32_t hw_index)
766{
767    // Check dr6 (debug status register) whether a watchpoint hits:
768    //          is watchpoint hit?
769    //                  |
770    //                  v
771    //      dr0 -> bits{0}
772    //      dr1 -> bits{1}
773    //      dr2 -> bits{2}
774    //      dr3 -> bits{3}
775    return (debug_state.__dr6 & (1 << hw_index));
776}
777
778nub_addr_t
779DNBArchImplX86_64::GetWatchAddress(const DBG &debug_state, uint32_t hw_index)
780{
781    switch (hw_index) {
782    case 0:
783        return debug_state.__dr0;
784    case 1:
785        return debug_state.__dr1;
786    case 2:
787        return debug_state.__dr2;
788    case 3:
789        return debug_state.__dr3;
790    default:
791        assert(0 && "invalid hardware register index, must be one of 0, 1, 2, or 3");
792    }
793}
794
795bool
796DNBArchImplX86_64::StartTransForHWP()
797{
798    if (m_2pc_trans_state != Trans_Done && m_2pc_trans_state != Trans_Rolled_Back)
799        DNBLogError ("%s inconsistent state detected, expected %d or %d, got: %d", __FUNCTION__, Trans_Done, Trans_Rolled_Back, m_2pc_trans_state);
800    m_2pc_dbg_checkpoint = m_state.context.dbg;
801    m_2pc_trans_state = Trans_Pending;
802    return true;
803}
804bool
805DNBArchImplX86_64::RollbackTransForHWP()
806{
807    m_state.context.dbg = m_2pc_dbg_checkpoint;
808    if (m_2pc_trans_state != Trans_Pending)
809        DNBLogError ("%s inconsistent state detected, expected %d, got: %d", __FUNCTION__, Trans_Pending, m_2pc_trans_state);
810    m_2pc_trans_state = Trans_Rolled_Back;
811    kern_return_t kret = SetDBGState();
812    DNBLogThreadedIf(LOG_WATCHPOINTS, "DNBArchImplX86_64::RollbackTransForHWP() SetDBGState() => 0x%8.8x.", kret);
813
814    if (kret == KERN_SUCCESS)
815        return true;
816    else
817        return false;
818}
819bool
820DNBArchImplX86_64::FinishTransForHWP()
821{
822    m_2pc_trans_state = Trans_Done;
823    return true;
824}
825DNBArchImplX86_64::DBG
826DNBArchImplX86_64::GetDBGCheckpoint()
827{
828    return m_2pc_dbg_checkpoint;
829}
830
831uint32_t
832DNBArchImplX86_64::EnableHardwareWatchpoint (nub_addr_t addr, nub_size_t size, bool read, bool write)
833{
834    DNBLogThreadedIf(LOG_WATCHPOINTS, "DNBArchImplX86_64::EnableHardwareWatchpoint(addr = 0x%llx, size = %llu, read = %u, write = %u)", (uint64_t)addr, (uint64_t)size, read, write);
835
836    const uint32_t num_hw_watchpoints = NumSupportedHardwareWatchpoints();
837
838    // Can only watch 1, 2, 4, or 8 bytes.
839    if (!(size == 1 || size == 2 || size == 4 || size == 8))
840        return INVALID_NUB_HW_INDEX;
841
842    // We must watch for either read or write
843    if (read == false && write == false)
844        return INVALID_NUB_HW_INDEX;
845
846    // Read the debug state
847    kern_return_t kret = GetDBGState(false);
848
849    if (kret == KERN_SUCCESS)
850    {
851        // Check to make sure we have the needed hardware support
852        uint32_t i = 0;
853
854        DBG &debug_state = m_state.context.dbg;
855        for (i = 0; i < num_hw_watchpoints; ++i)
856        {
857            if (IsWatchpointVacant(debug_state, i))
858                break;
859        }
860
861        // See if we found an available hw breakpoint slot above
862        if (i < num_hw_watchpoints)
863        {
864            StartTransForHWP();
865
866            // Modify our local copy of the debug state, first.
867            SetWatchpoint(debug_state, i, addr, size, read, write);
868            // Now set the watch point in the inferior.
869            kret = SetDBGState();
870            DNBLogThreadedIf(LOG_WATCHPOINTS, "DNBArchImplX86_64::EnableHardwareWatchpoint() SetDBGState() => 0x%8.8x.", kret);
871
872            if (kret == KERN_SUCCESS)
873                return i;
874            else // Revert to the previous debug state voluntarily.  The transaction coordinator knows that we have failed.
875                m_state.context.dbg = GetDBGCheckpoint();
876        }
877        else
878        {
879            DNBLogThreadedIf(LOG_WATCHPOINTS, "DNBArchImplX86_64::EnableHardwareWatchpoint(): All hardware resources (%u) are in use.", num_hw_watchpoints);
880        }
881    }
882    return INVALID_NUB_HW_INDEX;
883}
884
885bool
886DNBArchImplX86_64::DisableHardwareWatchpoint (uint32_t hw_index)
887{
888    kern_return_t kret = GetDBGState(false);
889
890    const uint32_t num_hw_points = NumSupportedHardwareWatchpoints();
891    if (kret == KERN_SUCCESS)
892    {
893        DBG &debug_state = m_state.context.dbg;
894        if (hw_index < num_hw_points && !IsWatchpointVacant(debug_state, hw_index))
895        {
896            StartTransForHWP();
897
898            // Modify our local copy of the debug state, first.
899            ClearWatchpoint(debug_state, hw_index);
900            // Now disable the watch point in the inferior.
901            kret = SetDBGState();
902            DNBLogThreadedIf(LOG_WATCHPOINTS, "DNBArchImplX86_64::DisableHardwareWatchpoint( %u )",
903                             hw_index);
904
905            if (kret == KERN_SUCCESS)
906                return true;
907            else // Revert to the previous debug state voluntarily.  The transaction coordinator knows that we have failed.
908                m_state.context.dbg = GetDBGCheckpoint();
909        }
910    }
911    return false;
912}
913
914DNBArchImplX86_64::DBG DNBArchImplX86_64::Global_Debug_State = {0,0,0,0,0,0,0,0};
915bool DNBArchImplX86_64::Valid_Global_Debug_State = false;
916
917// Use this callback from MachThread, which in turn was called from MachThreadList, to update
918// the global view of the hardware watchpoint state, so that when new thread comes along, they
919// get to inherit the existing hardware watchpoint state.
920void
921DNBArchImplX86_64::HardwareWatchpointStateChanged ()
922{
923    Global_Debug_State = m_state.context.dbg;
924    Valid_Global_Debug_State = true;
925}
926
927// Iterate through the debug status register; return the index of the first hit.
928uint32_t
929DNBArchImplX86_64::GetHardwareWatchpointHit(nub_addr_t &addr)
930{
931    // Read the debug state
932    kern_return_t kret = GetDBGState(true);
933    DNBLogThreadedIf(LOG_WATCHPOINTS, "DNBArchImplX86_64::GetHardwareWatchpointHit() GetDBGState() => 0x%8.8x.", kret);
934    if (kret == KERN_SUCCESS)
935    {
936        DBG &debug_state = m_state.context.dbg;
937        uint32_t i, num = NumSupportedHardwareWatchpoints();
938        for (i = 0; i < num; ++i)
939        {
940            if (IsWatchpointHit(debug_state, i))
941            {
942                addr = GetWatchAddress(debug_state, i);
943                DNBLogThreadedIf(LOG_WATCHPOINTS,
944                                 "DNBArchImplX86_64::GetHardwareWatchpointHit() found => %u (addr = 0x%llx).",
945                                 i,
946                                 (uint64_t)addr);
947                return i;
948            }
949        }
950    }
951    return INVALID_NUB_HW_INDEX;
952}
953
954// Set the single step bit in the processor status register.
955kern_return_t
956DNBArchImplX86_64::EnableHardwareSingleStep (bool enable)
957{
958    if (GetGPRState(false) == KERN_SUCCESS)
959    {
960        const uint32_t trace_bit = 0x100u;
961        if (enable)
962            m_state.context.gpr.__rflags |= trace_bit;
963        else
964            m_state.context.gpr.__rflags &= ~trace_bit;
965        return SetGPRState();
966    }
967    return m_state.GetError(e_regSetGPR, Read);
968}
969
970
971//----------------------------------------------------------------------
972// Register information defintions
973//----------------------------------------------------------------------
974
975enum
976{
977    gpr_rax = 0,
978    gpr_rbx,
979    gpr_rcx,
980    gpr_rdx,
981    gpr_rdi,
982    gpr_rsi,
983    gpr_rbp,
984    gpr_rsp,
985    gpr_r8,
986    gpr_r9,
987    gpr_r10,
988    gpr_r11,
989    gpr_r12,
990    gpr_r13,
991    gpr_r14,
992    gpr_r15,
993    gpr_rip,
994    gpr_rflags,
995    gpr_cs,
996    gpr_fs,
997    gpr_gs,
998    gpr_eax,
999    gpr_ebx,
1000    gpr_ecx,
1001    gpr_edx,
1002    gpr_edi,
1003    gpr_esi,
1004    gpr_ebp,
1005    gpr_esp,
1006    gpr_r8d,    // Low 32 bits or r8
1007    gpr_r9d,    // Low 32 bits or r9
1008    gpr_r10d,   // Low 32 bits or r10
1009    gpr_r11d,   // Low 32 bits or r11
1010    gpr_r12d,   // Low 32 bits or r12
1011    gpr_r13d,   // Low 32 bits or r13
1012    gpr_r14d,   // Low 32 bits or r14
1013    gpr_r15d,   // Low 32 bits or r15
1014    gpr_ax ,
1015    gpr_bx ,
1016    gpr_cx ,
1017    gpr_dx ,
1018    gpr_di ,
1019    gpr_si ,
1020    gpr_bp ,
1021    gpr_sp ,
1022    gpr_r8w,    // Low 16 bits or r8
1023    gpr_r9w,    // Low 16 bits or r9
1024    gpr_r10w,   // Low 16 bits or r10
1025    gpr_r11w,   // Low 16 bits or r11
1026    gpr_r12w,   // Low 16 bits or r12
1027    gpr_r13w,   // Low 16 bits or r13
1028    gpr_r14w,   // Low 16 bits or r14
1029    gpr_r15w,   // Low 16 bits or r15
1030    gpr_ah ,
1031    gpr_bh ,
1032    gpr_ch ,
1033    gpr_dh ,
1034    gpr_al ,
1035    gpr_bl ,
1036    gpr_cl ,
1037    gpr_dl ,
1038    gpr_dil,
1039    gpr_sil,
1040    gpr_bpl,
1041    gpr_spl,
1042    gpr_r8l,    // Low 8 bits or r8
1043    gpr_r9l,    // Low 8 bits or r9
1044    gpr_r10l,   // Low 8 bits or r10
1045    gpr_r11l,   // Low 8 bits or r11
1046    gpr_r12l,   // Low 8 bits or r12
1047    gpr_r13l,   // Low 8 bits or r13
1048    gpr_r14l,   // Low 8 bits or r14
1049    gpr_r15l,   // Low 8 bits or r15
1050    k_num_gpr_regs
1051};
1052
1053enum {
1054    fpu_fcw,
1055    fpu_fsw,
1056    fpu_ftw,
1057    fpu_fop,
1058    fpu_ip,
1059    fpu_cs,
1060    fpu_dp,
1061    fpu_ds,
1062    fpu_mxcsr,
1063    fpu_mxcsrmask,
1064    fpu_stmm0,
1065    fpu_stmm1,
1066    fpu_stmm2,
1067    fpu_stmm3,
1068    fpu_stmm4,
1069    fpu_stmm5,
1070    fpu_stmm6,
1071    fpu_stmm7,
1072    fpu_xmm0,
1073    fpu_xmm1,
1074    fpu_xmm2,
1075    fpu_xmm3,
1076    fpu_xmm4,
1077    fpu_xmm5,
1078    fpu_xmm6,
1079    fpu_xmm7,
1080    fpu_xmm8,
1081    fpu_xmm9,
1082    fpu_xmm10,
1083    fpu_xmm11,
1084    fpu_xmm12,
1085    fpu_xmm13,
1086    fpu_xmm14,
1087    fpu_xmm15,
1088    fpu_ymm0,
1089    fpu_ymm1,
1090    fpu_ymm2,
1091    fpu_ymm3,
1092    fpu_ymm4,
1093    fpu_ymm5,
1094    fpu_ymm6,
1095    fpu_ymm7,
1096    fpu_ymm8,
1097    fpu_ymm9,
1098    fpu_ymm10,
1099    fpu_ymm11,
1100    fpu_ymm12,
1101    fpu_ymm13,
1102    fpu_ymm14,
1103    fpu_ymm15,
1104    k_num_fpu_regs,
1105
1106    // Aliases
1107    fpu_fctrl = fpu_fcw,
1108    fpu_fstat = fpu_fsw,
1109    fpu_ftag  = fpu_ftw,
1110    fpu_fiseg = fpu_cs,
1111    fpu_fioff = fpu_ip,
1112    fpu_foseg = fpu_ds,
1113    fpu_fooff = fpu_dp
1114};
1115
1116enum {
1117    exc_trapno,
1118    exc_err,
1119    exc_faultvaddr,
1120    k_num_exc_regs,
1121};
1122
1123
1124enum gcc_dwarf_regnums
1125{
1126    gcc_dwarf_rax = 0,
1127    gcc_dwarf_rdx = 1,
1128    gcc_dwarf_rcx = 2,
1129    gcc_dwarf_rbx = 3,
1130    gcc_dwarf_rsi = 4,
1131    gcc_dwarf_rdi = 5,
1132    gcc_dwarf_rbp = 6,
1133    gcc_dwarf_rsp = 7,
1134    gcc_dwarf_r8,
1135    gcc_dwarf_r9,
1136    gcc_dwarf_r10,
1137    gcc_dwarf_r11,
1138    gcc_dwarf_r12,
1139    gcc_dwarf_r13,
1140    gcc_dwarf_r14,
1141    gcc_dwarf_r15,
1142    gcc_dwarf_rip,
1143    gcc_dwarf_xmm0,
1144    gcc_dwarf_xmm1,
1145    gcc_dwarf_xmm2,
1146    gcc_dwarf_xmm3,
1147    gcc_dwarf_xmm4,
1148    gcc_dwarf_xmm5,
1149    gcc_dwarf_xmm6,
1150    gcc_dwarf_xmm7,
1151    gcc_dwarf_xmm8,
1152    gcc_dwarf_xmm9,
1153    gcc_dwarf_xmm10,
1154    gcc_dwarf_xmm11,
1155    gcc_dwarf_xmm12,
1156    gcc_dwarf_xmm13,
1157    gcc_dwarf_xmm14,
1158    gcc_dwarf_xmm15,
1159    gcc_dwarf_stmm0,
1160    gcc_dwarf_stmm1,
1161    gcc_dwarf_stmm2,
1162    gcc_dwarf_stmm3,
1163    gcc_dwarf_stmm4,
1164    gcc_dwarf_stmm5,
1165    gcc_dwarf_stmm6,
1166    gcc_dwarf_stmm7,
1167    gcc_dwarf_ymm0 = gcc_dwarf_xmm0,
1168    gcc_dwarf_ymm1 = gcc_dwarf_xmm1,
1169    gcc_dwarf_ymm2 = gcc_dwarf_xmm2,
1170    gcc_dwarf_ymm3 = gcc_dwarf_xmm3,
1171    gcc_dwarf_ymm4 = gcc_dwarf_xmm4,
1172    gcc_dwarf_ymm5 = gcc_dwarf_xmm5,
1173    gcc_dwarf_ymm6 = gcc_dwarf_xmm6,
1174    gcc_dwarf_ymm7 = gcc_dwarf_xmm7,
1175    gcc_dwarf_ymm8 = gcc_dwarf_xmm8,
1176    gcc_dwarf_ymm9 = gcc_dwarf_xmm9,
1177    gcc_dwarf_ymm10 = gcc_dwarf_xmm10,
1178    gcc_dwarf_ymm11 = gcc_dwarf_xmm11,
1179    gcc_dwarf_ymm12 = gcc_dwarf_xmm12,
1180    gcc_dwarf_ymm13 = gcc_dwarf_xmm13,
1181    gcc_dwarf_ymm14 = gcc_dwarf_xmm14,
1182    gcc_dwarf_ymm15 = gcc_dwarf_xmm15
1183};
1184
1185enum gdb_regnums
1186{
1187    gdb_rax     =   0,
1188    gdb_rbx     =   1,
1189    gdb_rcx     =   2,
1190    gdb_rdx     =   3,
1191    gdb_rsi     =   4,
1192    gdb_rdi     =   5,
1193    gdb_rbp     =   6,
1194    gdb_rsp     =   7,
1195    gdb_r8      =   8,
1196    gdb_r9      =   9,
1197    gdb_r10     =  10,
1198    gdb_r11     =  11,
1199    gdb_r12     =  12,
1200    gdb_r13     =  13,
1201    gdb_r14     =  14,
1202    gdb_r15     =  15,
1203    gdb_rip     =  16,
1204    gdb_rflags  =  17,
1205    gdb_cs      =  18,
1206    gdb_ss      =  19,
1207    gdb_ds      =  20,
1208    gdb_es      =  21,
1209    gdb_fs      =  22,
1210    gdb_gs      =  23,
1211    gdb_stmm0   =  24,
1212    gdb_stmm1   =  25,
1213    gdb_stmm2   =  26,
1214    gdb_stmm3   =  27,
1215    gdb_stmm4   =  28,
1216    gdb_stmm5   =  29,
1217    gdb_stmm6   =  30,
1218    gdb_stmm7   =  31,
1219    gdb_fctrl   =  32,  gdb_fcw = gdb_fctrl,
1220    gdb_fstat   =  33,  gdb_fsw = gdb_fstat,
1221    gdb_ftag    =  34,  gdb_ftw = gdb_ftag,
1222    gdb_fiseg   =  35,  gdb_fpu_cs  = gdb_fiseg,
1223    gdb_fioff   =  36,  gdb_ip  = gdb_fioff,
1224    gdb_foseg   =  37,  gdb_fpu_ds  = gdb_foseg,
1225    gdb_fooff   =  38,  gdb_dp  = gdb_fooff,
1226    gdb_fop     =  39,
1227    gdb_xmm0    =  40,
1228    gdb_xmm1    =  41,
1229    gdb_xmm2    =  42,
1230    gdb_xmm3    =  43,
1231    gdb_xmm4    =  44,
1232    gdb_xmm5    =  45,
1233    gdb_xmm6    =  46,
1234    gdb_xmm7    =  47,
1235    gdb_xmm8    =  48,
1236    gdb_xmm9    =  49,
1237    gdb_xmm10   =  50,
1238    gdb_xmm11   =  51,
1239    gdb_xmm12   =  52,
1240    gdb_xmm13   =  53,
1241    gdb_xmm14   =  54,
1242    gdb_xmm15   =  55,
1243    gdb_mxcsr   =  56,
1244    gdb_ymm0    =  gdb_xmm0,
1245    gdb_ymm1    =  gdb_xmm1,
1246    gdb_ymm2    =  gdb_xmm2,
1247    gdb_ymm3    =  gdb_xmm3,
1248    gdb_ymm4    =  gdb_xmm4,
1249    gdb_ymm5    =  gdb_xmm5,
1250    gdb_ymm6    =  gdb_xmm6,
1251    gdb_ymm7    =  gdb_xmm7,
1252    gdb_ymm8    =  gdb_xmm8,
1253    gdb_ymm9    =  gdb_xmm9,
1254    gdb_ymm10   =  gdb_xmm10,
1255    gdb_ymm11   =  gdb_xmm11,
1256    gdb_ymm12   =  gdb_xmm12,
1257    gdb_ymm13   =  gdb_xmm13,
1258    gdb_ymm14   =  gdb_xmm14,
1259    gdb_ymm15   =  gdb_xmm15
1260};
1261
1262#define GPR_OFFSET(reg) (offsetof (DNBArchImplX86_64::GPR, __##reg))
1263#define FPU_OFFSET(reg) (offsetof (DNBArchImplX86_64::FPU, __fpu_##reg) + offsetof (DNBArchImplX86_64::Context, fpu.no_avx))
1264#define AVX_OFFSET(reg) (offsetof (DNBArchImplX86_64::AVX, __fpu_##reg) + offsetof (DNBArchImplX86_64::Context, fpu.avx))
1265#define EXC_OFFSET(reg) (offsetof (DNBArchImplX86_64::EXC, __##reg)     + offsetof (DNBArchImplX86_64::Context, exc))
1266
1267// This does not accurately identify the location of ymm0...7 in
1268// Context.fpu.avx.  That is because there is a bunch of padding
1269// in Context.fpu.avx that we don't need.  Offset macros lay out
1270// the register state that Debugserver transmits to the debugger
1271// -- not to interpret the thread_get_state info.
1272#define AVX_OFFSET_YMM(n)   (AVX_OFFSET(xmm7) + FPU_SIZE_XMM(xmm7) + (32 * n))
1273
1274#define GPR_SIZE(reg)       (sizeof(((DNBArchImplX86_64::GPR *)NULL)->__##reg))
1275#define FPU_SIZE_UINT(reg)  (sizeof(((DNBArchImplX86_64::FPU *)NULL)->__fpu_##reg))
1276#define FPU_SIZE_MMST(reg)  (sizeof(((DNBArchImplX86_64::FPU *)NULL)->__fpu_##reg.__mmst_reg))
1277#define FPU_SIZE_XMM(reg)   (sizeof(((DNBArchImplX86_64::FPU *)NULL)->__fpu_##reg.__xmm_reg))
1278#define FPU_SIZE_YMM(reg)   (32)
1279#define EXC_SIZE(reg)       (sizeof(((DNBArchImplX86_64::EXC *)NULL)->__##reg))
1280
1281// These macros will auto define the register name, alt name, register size,
1282// register offset, encoding, format and native register. This ensures that
1283// the register state structures are defined correctly and have the correct
1284// sizes and offsets.
1285#define DEFINE_GPR(reg)                   { e_regSetGPR, gpr_##reg, #reg, NULL, Uint, Hex, GPR_SIZE(reg), GPR_OFFSET(reg), gcc_dwarf_##reg, gcc_dwarf_##reg, INVALID_NUB_REGNUM, gdb_##reg, NULL, g_invalidate_##reg }
1286#define DEFINE_GPR_ALT(reg, alt, gen)     { e_regSetGPR, gpr_##reg, #reg, alt, Uint, Hex, GPR_SIZE(reg), GPR_OFFSET(reg), gcc_dwarf_##reg, gcc_dwarf_##reg, gen, gdb_##reg, NULL, g_invalidate_##reg }
1287#define DEFINE_GPR_ALT2(reg, alt)         { e_regSetGPR, gpr_##reg, #reg, alt, Uint, Hex, GPR_SIZE(reg), GPR_OFFSET(reg), INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, gdb_##reg, NULL, NULL }
1288#define DEFINE_GPR_ALT3(reg, alt, gen)    { e_regSetGPR, gpr_##reg, #reg, alt, Uint, Hex, GPR_SIZE(reg), GPR_OFFSET(reg), INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, gen, gdb_##reg, NULL, NULL }
1289#define DEFINE_GPR_ALT4(reg, alt, gen)     { e_regSetGPR, gpr_##reg, #reg, alt, Uint, Hex, GPR_SIZE(reg), GPR_OFFSET(reg), gcc_dwarf_##reg, gcc_dwarf_##reg, gen, gdb_##reg, NULL, NULL }
1290
1291#define DEFINE_GPR_PSEUDO_32(reg32,reg64) { e_regSetGPR, gpr_##reg32, #reg32, NULL, Uint, Hex, 4, GPR_OFFSET(reg64)  ,INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, g_contained_##reg64, g_invalidate_##reg64 }
1292#define DEFINE_GPR_PSEUDO_16(reg16,reg64) { e_regSetGPR, gpr_##reg16, #reg16, NULL, Uint, Hex, 2, GPR_OFFSET(reg64)  ,INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, g_contained_##reg64, g_invalidate_##reg64 }
1293#define DEFINE_GPR_PSEUDO_8H(reg8,reg64)  { e_regSetGPR, gpr_##reg8 , #reg8 , NULL, Uint, Hex, 1, GPR_OFFSET(reg64)+1,INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, g_contained_##reg64, g_invalidate_##reg64 }
1294#define DEFINE_GPR_PSEUDO_8L(reg8,reg64)  { e_regSetGPR, gpr_##reg8 , #reg8 , NULL, Uint, Hex, 1, GPR_OFFSET(reg64)  ,INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, INVALID_NUB_REGNUM, g_contained_##reg64, g_invalidate_##reg64 }
1295
1296// General purpose registers for 64 bit
1297
1298uint32_t g_contained_rax[] = { gpr_rax, INVALID_NUB_REGNUM };
1299uint32_t g_contained_rbx[] = { gpr_rbx, INVALID_NUB_REGNUM };
1300uint32_t g_contained_rcx[] = { gpr_rcx, INVALID_NUB_REGNUM };
1301uint32_t g_contained_rdx[] = { gpr_rdx, INVALID_NUB_REGNUM };
1302uint32_t g_contained_rdi[] = { gpr_rdi, INVALID_NUB_REGNUM };
1303uint32_t g_contained_rsi[] = { gpr_rsi, INVALID_NUB_REGNUM };
1304uint32_t g_contained_rbp[] = { gpr_rbp, INVALID_NUB_REGNUM };
1305uint32_t g_contained_rsp[] = { gpr_rsp, INVALID_NUB_REGNUM };
1306uint32_t g_contained_r8[]  = { gpr_r8 , INVALID_NUB_REGNUM };
1307uint32_t g_contained_r9[]  = { gpr_r9 , INVALID_NUB_REGNUM };
1308uint32_t g_contained_r10[] = { gpr_r10, INVALID_NUB_REGNUM };
1309uint32_t g_contained_r11[] = { gpr_r11, INVALID_NUB_REGNUM };
1310uint32_t g_contained_r12[] = { gpr_r12, INVALID_NUB_REGNUM };
1311uint32_t g_contained_r13[] = { gpr_r13, INVALID_NUB_REGNUM };
1312uint32_t g_contained_r14[] = { gpr_r14, INVALID_NUB_REGNUM };
1313uint32_t g_contained_r15[] = { gpr_r15, INVALID_NUB_REGNUM };
1314
1315uint32_t g_invalidate_rax[] = { gpr_rax, gpr_eax , gpr_ax  , gpr_ah  , gpr_al, INVALID_NUB_REGNUM };
1316uint32_t g_invalidate_rbx[] = { gpr_rbx, gpr_ebx , gpr_bx  , gpr_bh  , gpr_bl, INVALID_NUB_REGNUM };
1317uint32_t g_invalidate_rcx[] = { gpr_rcx, gpr_ecx , gpr_cx  , gpr_ch  , gpr_cl, INVALID_NUB_REGNUM };
1318uint32_t g_invalidate_rdx[] = { gpr_rdx, gpr_edx , gpr_dx  , gpr_dh  , gpr_dl, INVALID_NUB_REGNUM };
1319uint32_t g_invalidate_rdi[] = { gpr_rdi, gpr_edi , gpr_di  , gpr_dil , INVALID_NUB_REGNUM };
1320uint32_t g_invalidate_rsi[] = { gpr_rsi, gpr_esi , gpr_si  , gpr_sil , INVALID_NUB_REGNUM };
1321uint32_t g_invalidate_rbp[] = { gpr_rbp, gpr_ebp , gpr_bp  , gpr_bpl , INVALID_NUB_REGNUM };
1322uint32_t g_invalidate_rsp[] = { gpr_rsp, gpr_esp , gpr_sp  , gpr_spl , INVALID_NUB_REGNUM };
1323uint32_t g_invalidate_r8 [] = { gpr_r8 , gpr_r8d , gpr_r8w , gpr_r8l , INVALID_NUB_REGNUM };
1324uint32_t g_invalidate_r9 [] = { gpr_r9 , gpr_r9d , gpr_r9w , gpr_r9l , INVALID_NUB_REGNUM };
1325uint32_t g_invalidate_r10[] = { gpr_r10, gpr_r10d, gpr_r10w, gpr_r10l, INVALID_NUB_REGNUM };
1326uint32_t g_invalidate_r11[] = { gpr_r11, gpr_r11d, gpr_r11w, gpr_r11l, INVALID_NUB_REGNUM };
1327uint32_t g_invalidate_r12[] = { gpr_r12, gpr_r12d, gpr_r12w, gpr_r12l, INVALID_NUB_REGNUM };
1328uint32_t g_invalidate_r13[] = { gpr_r13, gpr_r13d, gpr_r13w, gpr_r13l, INVALID_NUB_REGNUM };
1329uint32_t g_invalidate_r14[] = { gpr_r14, gpr_r14d, gpr_r14w, gpr_r14l, INVALID_NUB_REGNUM };
1330uint32_t g_invalidate_r15[] = { gpr_r15, gpr_r15d, gpr_r15w, gpr_r15l, INVALID_NUB_REGNUM };
1331
1332const DNBRegisterInfo
1333DNBArchImplX86_64::g_gpr_registers[] =
1334{
1335    DEFINE_GPR      (rax),
1336    DEFINE_GPR      (rbx),
1337    DEFINE_GPR_ALT  (rcx , "arg4", GENERIC_REGNUM_ARG4),
1338    DEFINE_GPR_ALT  (rdx , "arg3", GENERIC_REGNUM_ARG3),
1339    DEFINE_GPR_ALT  (rdi , "arg1", GENERIC_REGNUM_ARG1),
1340    DEFINE_GPR_ALT  (rsi , "arg2", GENERIC_REGNUM_ARG2),
1341    DEFINE_GPR_ALT  (rbp , "fp"  , GENERIC_REGNUM_FP),
1342    DEFINE_GPR_ALT  (rsp , "sp"  , GENERIC_REGNUM_SP),
1343    DEFINE_GPR_ALT  (r8  , "arg5", GENERIC_REGNUM_ARG5),
1344    DEFINE_GPR_ALT  (r9  , "arg6", GENERIC_REGNUM_ARG6),
1345    DEFINE_GPR      (r10),
1346    DEFINE_GPR      (r11),
1347    DEFINE_GPR      (r12),
1348    DEFINE_GPR      (r13),
1349    DEFINE_GPR      (r14),
1350    DEFINE_GPR      (r15),
1351    DEFINE_GPR_ALT4 (rip , "pc", GENERIC_REGNUM_PC),
1352    DEFINE_GPR_ALT3 (rflags, "flags", GENERIC_REGNUM_FLAGS),
1353    DEFINE_GPR_ALT2 (cs,        NULL),
1354    DEFINE_GPR_ALT2 (fs,        NULL),
1355    DEFINE_GPR_ALT2 (gs,        NULL),
1356    DEFINE_GPR_PSEUDO_32 (eax, rax),
1357    DEFINE_GPR_PSEUDO_32 (ebx, rbx),
1358    DEFINE_GPR_PSEUDO_32 (ecx, rcx),
1359    DEFINE_GPR_PSEUDO_32 (edx, rdx),
1360    DEFINE_GPR_PSEUDO_32 (edi, rdi),
1361    DEFINE_GPR_PSEUDO_32 (esi, rsi),
1362    DEFINE_GPR_PSEUDO_32 (ebp, rbp),
1363    DEFINE_GPR_PSEUDO_32 (esp, rsp),
1364    DEFINE_GPR_PSEUDO_32 (r8d, r8),
1365    DEFINE_GPR_PSEUDO_32 (r9d, r9),
1366    DEFINE_GPR_PSEUDO_32 (r10d, r10),
1367    DEFINE_GPR_PSEUDO_32 (r11d, r11),
1368    DEFINE_GPR_PSEUDO_32 (r12d, r12),
1369    DEFINE_GPR_PSEUDO_32 (r13d, r13),
1370    DEFINE_GPR_PSEUDO_32 (r14d, r14),
1371    DEFINE_GPR_PSEUDO_32 (r15d, r15),
1372    DEFINE_GPR_PSEUDO_16 (ax , rax),
1373    DEFINE_GPR_PSEUDO_16 (bx , rbx),
1374    DEFINE_GPR_PSEUDO_16 (cx , rcx),
1375    DEFINE_GPR_PSEUDO_16 (dx , rdx),
1376    DEFINE_GPR_PSEUDO_16 (di , rdi),
1377    DEFINE_GPR_PSEUDO_16 (si , rsi),
1378    DEFINE_GPR_PSEUDO_16 (bp , rbp),
1379    DEFINE_GPR_PSEUDO_16 (sp , rsp),
1380    DEFINE_GPR_PSEUDO_16 (r8w, r8),
1381    DEFINE_GPR_PSEUDO_16 (r9w, r9),
1382    DEFINE_GPR_PSEUDO_16 (r10w, r10),
1383    DEFINE_GPR_PSEUDO_16 (r11w, r11),
1384    DEFINE_GPR_PSEUDO_16 (r12w, r12),
1385    DEFINE_GPR_PSEUDO_16 (r13w, r13),
1386    DEFINE_GPR_PSEUDO_16 (r14w, r14),
1387    DEFINE_GPR_PSEUDO_16 (r15w, r15),
1388    DEFINE_GPR_PSEUDO_8H (ah , rax),
1389    DEFINE_GPR_PSEUDO_8H (bh , rbx),
1390    DEFINE_GPR_PSEUDO_8H (ch , rcx),
1391    DEFINE_GPR_PSEUDO_8H (dh , rdx),
1392    DEFINE_GPR_PSEUDO_8L (al , rax),
1393    DEFINE_GPR_PSEUDO_8L (bl , rbx),
1394    DEFINE_GPR_PSEUDO_8L (cl , rcx),
1395    DEFINE_GPR_PSEUDO_8L (dl , rdx),
1396    DEFINE_GPR_PSEUDO_8L (dil, rdi),
1397    DEFINE_GPR_PSEUDO_8L (sil, rsi),
1398    DEFINE_GPR_PSEUDO_8L (bpl, rbp),
1399    DEFINE_GPR_PSEUDO_8L (spl, rsp),
1400    DEFINE_GPR_PSEUDO_8L (r8l, r8),
1401    DEFINE_GPR_PSEUDO_8L (r9l, r9),
1402    DEFINE_GPR_PSEUDO_8L (r10l, r10),
1403    DEFINE_GPR_PSEUDO_8L (r11l, r11),
1404    DEFINE_GPR_PSEUDO_8L (r12l, r12),
1405    DEFINE_GPR_PSEUDO_8L (r13l, r13),
1406    DEFINE_GPR_PSEUDO_8L (r14l, r14),
1407    DEFINE_GPR_PSEUDO_8L (r15l, r15)
1408};
1409
1410// Floating point registers 64 bit
1411const DNBRegisterInfo
1412DNBArchImplX86_64::g_fpu_registers_no_avx[] =
1413{
1414    { e_regSetFPU, fpu_fcw      , "fctrl"       , NULL, Uint, Hex, FPU_SIZE_UINT(fcw)       , FPU_OFFSET(fcw)       , -1U, -1U, -1U, -1U, NULL, NULL },
1415    { e_regSetFPU, fpu_fsw      , "fstat"       , NULL, Uint, Hex, FPU_SIZE_UINT(fsw)       , FPU_OFFSET(fsw)       , -1U, -1U, -1U, -1U, NULL, NULL },
1416    { e_regSetFPU, fpu_ftw      , "ftag"        , NULL, Uint, Hex, FPU_SIZE_UINT(ftw)       , FPU_OFFSET(ftw)       , -1U, -1U, -1U, -1U, NULL, NULL },
1417    { e_regSetFPU, fpu_fop      , "fop"         , NULL, Uint, Hex, FPU_SIZE_UINT(fop)       , FPU_OFFSET(fop)       , -1U, -1U, -1U, -1U, NULL, NULL },
1418    { e_regSetFPU, fpu_ip       , "fioff"       , NULL, Uint, Hex, FPU_SIZE_UINT(ip)        , FPU_OFFSET(ip)        , -1U, -1U, -1U, -1U, NULL, NULL },
1419    { e_regSetFPU, fpu_cs       , "fiseg"       , NULL, Uint, Hex, FPU_SIZE_UINT(cs)        , FPU_OFFSET(cs)        , -1U, -1U, -1U, -1U, NULL, NULL },
1420    { e_regSetFPU, fpu_dp       , "fooff"       , NULL, Uint, Hex, FPU_SIZE_UINT(dp)        , FPU_OFFSET(dp)        , -1U, -1U, -1U, -1U, NULL, NULL },
1421    { e_regSetFPU, fpu_ds       , "foseg"       , NULL, Uint, Hex, FPU_SIZE_UINT(ds)        , FPU_OFFSET(ds)        , -1U, -1U, -1U, -1U, NULL, NULL },
1422    { e_regSetFPU, fpu_mxcsr    , "mxcsr"       , NULL, Uint, Hex, FPU_SIZE_UINT(mxcsr)     , FPU_OFFSET(mxcsr)     , -1U, -1U, -1U, -1U, NULL, NULL },
1423    { e_regSetFPU, fpu_mxcsrmask, "mxcsrmask"   , NULL, Uint, Hex, FPU_SIZE_UINT(mxcsrmask) , FPU_OFFSET(mxcsrmask) , -1U, -1U, -1U, -1U, NULL, NULL },
1424
1425    { e_regSetFPU, fpu_stmm0, "stmm0", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm0), FPU_OFFSET(stmm0), gcc_dwarf_stmm0, gcc_dwarf_stmm0, -1U, gdb_stmm0, NULL, NULL },
1426    { e_regSetFPU, fpu_stmm1, "stmm1", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm1), FPU_OFFSET(stmm1), gcc_dwarf_stmm1, gcc_dwarf_stmm1, -1U, gdb_stmm1, NULL, NULL },
1427    { e_regSetFPU, fpu_stmm2, "stmm2", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm2), FPU_OFFSET(stmm2), gcc_dwarf_stmm2, gcc_dwarf_stmm2, -1U, gdb_stmm2, NULL, NULL },
1428    { e_regSetFPU, fpu_stmm3, "stmm3", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm3), FPU_OFFSET(stmm3), gcc_dwarf_stmm3, gcc_dwarf_stmm3, -1U, gdb_stmm3, NULL, NULL },
1429    { e_regSetFPU, fpu_stmm4, "stmm4", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm4), FPU_OFFSET(stmm4), gcc_dwarf_stmm4, gcc_dwarf_stmm4, -1U, gdb_stmm4, NULL, NULL },
1430    { e_regSetFPU, fpu_stmm5, "stmm5", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm5), FPU_OFFSET(stmm5), gcc_dwarf_stmm5, gcc_dwarf_stmm5, -1U, gdb_stmm5, NULL, NULL },
1431    { e_regSetFPU, fpu_stmm6, "stmm6", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm6), FPU_OFFSET(stmm6), gcc_dwarf_stmm6, gcc_dwarf_stmm6, -1U, gdb_stmm6, NULL, NULL },
1432    { e_regSetFPU, fpu_stmm7, "stmm7", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm7), FPU_OFFSET(stmm7), gcc_dwarf_stmm7, gcc_dwarf_stmm7, -1U, gdb_stmm7, NULL, NULL },
1433
1434    { e_regSetFPU, fpu_xmm0 , "xmm0"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm0)   , FPU_OFFSET(xmm0) , gcc_dwarf_xmm0 , gcc_dwarf_xmm0 , -1U, gdb_xmm0 , NULL, NULL },
1435    { e_regSetFPU, fpu_xmm1 , "xmm1"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm1)   , FPU_OFFSET(xmm1) , gcc_dwarf_xmm1 , gcc_dwarf_xmm1 , -1U, gdb_xmm1 , NULL, NULL },
1436    { e_regSetFPU, fpu_xmm2 , "xmm2"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm2)   , FPU_OFFSET(xmm2) , gcc_dwarf_xmm2 , gcc_dwarf_xmm2 , -1U, gdb_xmm2 , NULL, NULL },
1437    { e_regSetFPU, fpu_xmm3 , "xmm3"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm3)   , FPU_OFFSET(xmm3) , gcc_dwarf_xmm3 , gcc_dwarf_xmm3 , -1U, gdb_xmm3 , NULL, NULL },
1438    { e_regSetFPU, fpu_xmm4 , "xmm4"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm4)   , FPU_OFFSET(xmm4) , gcc_dwarf_xmm4 , gcc_dwarf_xmm4 , -1U, gdb_xmm4 , NULL, NULL },
1439    { e_regSetFPU, fpu_xmm5 , "xmm5"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm5)   , FPU_OFFSET(xmm5) , gcc_dwarf_xmm5 , gcc_dwarf_xmm5 , -1U, gdb_xmm5 , NULL, NULL },
1440    { e_regSetFPU, fpu_xmm6 , "xmm6"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm6)   , FPU_OFFSET(xmm6) , gcc_dwarf_xmm6 , gcc_dwarf_xmm6 , -1U, gdb_xmm6 , NULL, NULL },
1441    { e_regSetFPU, fpu_xmm7 , "xmm7"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm7)   , FPU_OFFSET(xmm7) , gcc_dwarf_xmm7 , gcc_dwarf_xmm7 , -1U, gdb_xmm7 , NULL, NULL },
1442    { e_regSetFPU, fpu_xmm8 , "xmm8"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm8)   , FPU_OFFSET(xmm8) , gcc_dwarf_xmm8 , gcc_dwarf_xmm8 , -1U, gdb_xmm8 , NULL, NULL },
1443    { e_regSetFPU, fpu_xmm9 , "xmm9"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm9)   , FPU_OFFSET(xmm9) , gcc_dwarf_xmm9 , gcc_dwarf_xmm9 , -1U, gdb_xmm9 , NULL, NULL },
1444    { e_regSetFPU, fpu_xmm10, "xmm10"   , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm10)  , FPU_OFFSET(xmm10), gcc_dwarf_xmm10, gcc_dwarf_xmm10, -1U, gdb_xmm10, NULL, NULL },
1445    { e_regSetFPU, fpu_xmm11, "xmm11"   , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm11)  , FPU_OFFSET(xmm11), gcc_dwarf_xmm11, gcc_dwarf_xmm11, -1U, gdb_xmm11, NULL, NULL },
1446    { e_regSetFPU, fpu_xmm12, "xmm12"   , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm12)  , FPU_OFFSET(xmm12), gcc_dwarf_xmm12, gcc_dwarf_xmm12, -1U, gdb_xmm12, NULL, NULL },
1447    { e_regSetFPU, fpu_xmm13, "xmm13"   , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm13)  , FPU_OFFSET(xmm13), gcc_dwarf_xmm13, gcc_dwarf_xmm13, -1U, gdb_xmm13, NULL, NULL },
1448    { e_regSetFPU, fpu_xmm14, "xmm14"   , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm14)  , FPU_OFFSET(xmm14), gcc_dwarf_xmm14, gcc_dwarf_xmm14, -1U, gdb_xmm14, NULL, NULL },
1449    { e_regSetFPU, fpu_xmm15, "xmm15"   , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm15)  , FPU_OFFSET(xmm15), gcc_dwarf_xmm15, gcc_dwarf_xmm15, -1U, gdb_xmm15, NULL, NULL },
1450};
1451
1452const DNBRegisterInfo
1453DNBArchImplX86_64::g_fpu_registers_avx[] =
1454{
1455    { e_regSetFPU, fpu_fcw      , "fctrl"       , NULL, Uint, Hex, FPU_SIZE_UINT(fcw)       , AVX_OFFSET(fcw)       , -1U, -1U, -1U, -1U, NULL, NULL },
1456    { e_regSetFPU, fpu_fsw      , "fstat"       , NULL, Uint, Hex, FPU_SIZE_UINT(fsw)       , AVX_OFFSET(fsw)       , -1U, -1U, -1U, -1U, NULL, NULL },
1457    { e_regSetFPU, fpu_ftw      , "ftag"        , NULL, Uint, Hex, FPU_SIZE_UINT(ftw)       , AVX_OFFSET(ftw)       , -1U, -1U, -1U, -1U, NULL, NULL },
1458    { e_regSetFPU, fpu_fop      , "fop"         , NULL, Uint, Hex, FPU_SIZE_UINT(fop)       , AVX_OFFSET(fop)       , -1U, -1U, -1U, -1U, NULL, NULL },
1459    { e_regSetFPU, fpu_ip       , "fioff"       , NULL, Uint, Hex, FPU_SIZE_UINT(ip)        , AVX_OFFSET(ip)        , -1U, -1U, -1U, -1U, NULL, NULL },
1460    { e_regSetFPU, fpu_cs       , "fiseg"       , NULL, Uint, Hex, FPU_SIZE_UINT(cs)        , AVX_OFFSET(cs)        , -1U, -1U, -1U, -1U, NULL, NULL },
1461    { e_regSetFPU, fpu_dp       , "fooff"       , NULL, Uint, Hex, FPU_SIZE_UINT(dp)        , AVX_OFFSET(dp)        , -1U, -1U, -1U, -1U, NULL, NULL },
1462    { e_regSetFPU, fpu_ds       , "foseg"       , NULL, Uint, Hex, FPU_SIZE_UINT(ds)        , AVX_OFFSET(ds)        , -1U, -1U, -1U, -1U, NULL, NULL },
1463    { e_regSetFPU, fpu_mxcsr    , "mxcsr"       , NULL, Uint, Hex, FPU_SIZE_UINT(mxcsr)     , AVX_OFFSET(mxcsr)     , -1U, -1U, -1U, -1U, NULL, NULL },
1464    { e_regSetFPU, fpu_mxcsrmask, "mxcsrmask"   , NULL, Uint, Hex, FPU_SIZE_UINT(mxcsrmask) , AVX_OFFSET(mxcsrmask) , -1U, -1U, -1U, -1U, NULL, NULL },
1465
1466    { e_regSetFPU, fpu_stmm0, "stmm0", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm0), AVX_OFFSET(stmm0), gcc_dwarf_stmm0, gcc_dwarf_stmm0, -1U, gdb_stmm0, NULL, NULL },
1467    { e_regSetFPU, fpu_stmm1, "stmm1", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm1), AVX_OFFSET(stmm1), gcc_dwarf_stmm1, gcc_dwarf_stmm1, -1U, gdb_stmm1, NULL, NULL },
1468    { e_regSetFPU, fpu_stmm2, "stmm2", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm2), AVX_OFFSET(stmm2), gcc_dwarf_stmm2, gcc_dwarf_stmm2, -1U, gdb_stmm2, NULL, NULL },
1469    { e_regSetFPU, fpu_stmm3, "stmm3", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm3), AVX_OFFSET(stmm3), gcc_dwarf_stmm3, gcc_dwarf_stmm3, -1U, gdb_stmm3, NULL, NULL },
1470    { e_regSetFPU, fpu_stmm4, "stmm4", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm4), AVX_OFFSET(stmm4), gcc_dwarf_stmm4, gcc_dwarf_stmm4, -1U, gdb_stmm4, NULL, NULL },
1471    { e_regSetFPU, fpu_stmm5, "stmm5", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm5), AVX_OFFSET(stmm5), gcc_dwarf_stmm5, gcc_dwarf_stmm5, -1U, gdb_stmm5, NULL, NULL },
1472    { e_regSetFPU, fpu_stmm6, "stmm6", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm6), AVX_OFFSET(stmm6), gcc_dwarf_stmm6, gcc_dwarf_stmm6, -1U, gdb_stmm6, NULL, NULL },
1473    { e_regSetFPU, fpu_stmm7, "stmm7", NULL, Vector, VectorOfUInt8, FPU_SIZE_MMST(stmm7), AVX_OFFSET(stmm7), gcc_dwarf_stmm7, gcc_dwarf_stmm7, -1U, gdb_stmm7, NULL, NULL },
1474
1475    { e_regSetFPU, fpu_xmm0 , "xmm0"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm0)   , AVX_OFFSET(xmm0) , gcc_dwarf_xmm0 , gcc_dwarf_xmm0 , -1U, gdb_xmm0 , NULL, NULL },
1476    { e_regSetFPU, fpu_xmm1 , "xmm1"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm1)   , AVX_OFFSET(xmm1) , gcc_dwarf_xmm1 , gcc_dwarf_xmm1 , -1U, gdb_xmm1 , NULL, NULL },
1477    { e_regSetFPU, fpu_xmm2 , "xmm2"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm2)   , AVX_OFFSET(xmm2) , gcc_dwarf_xmm2 , gcc_dwarf_xmm2 , -1U, gdb_xmm2 , NULL, NULL },
1478    { e_regSetFPU, fpu_xmm3 , "xmm3"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm3)   , AVX_OFFSET(xmm3) , gcc_dwarf_xmm3 , gcc_dwarf_xmm3 , -1U, gdb_xmm3 , NULL, NULL },
1479    { e_regSetFPU, fpu_xmm4 , "xmm4"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm4)   , AVX_OFFSET(xmm4) , gcc_dwarf_xmm4 , gcc_dwarf_xmm4 , -1U, gdb_xmm4 , NULL, NULL },
1480    { e_regSetFPU, fpu_xmm5 , "xmm5"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm5)   , AVX_OFFSET(xmm5) , gcc_dwarf_xmm5 , gcc_dwarf_xmm5 , -1U, gdb_xmm5 , NULL, NULL },
1481    { e_regSetFPU, fpu_xmm6 , "xmm6"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm6)   , AVX_OFFSET(xmm6) , gcc_dwarf_xmm6 , gcc_dwarf_xmm6 , -1U, gdb_xmm6 , NULL, NULL },
1482    { e_regSetFPU, fpu_xmm7 , "xmm7"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm7)   , AVX_OFFSET(xmm7) , gcc_dwarf_xmm7 , gcc_dwarf_xmm7 , -1U, gdb_xmm7 , NULL, NULL },
1483    { e_regSetFPU, fpu_xmm8 , "xmm8"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm8)   , AVX_OFFSET(xmm8) , gcc_dwarf_xmm8 , gcc_dwarf_xmm8 , -1U, gdb_xmm8 , NULL, NULL },
1484    { e_regSetFPU, fpu_xmm9 , "xmm9"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm9)   , AVX_OFFSET(xmm9) , gcc_dwarf_xmm9 , gcc_dwarf_xmm9 , -1U, gdb_xmm9 , NULL, NULL },
1485    { e_regSetFPU, fpu_xmm10, "xmm10"   , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm10)  , AVX_OFFSET(xmm10), gcc_dwarf_xmm10, gcc_dwarf_xmm10, -1U, gdb_xmm10, NULL, NULL },
1486    { e_regSetFPU, fpu_xmm11, "xmm11"   , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm11)  , AVX_OFFSET(xmm11), gcc_dwarf_xmm11, gcc_dwarf_xmm11, -1U, gdb_xmm11, NULL, NULL },
1487    { e_regSetFPU, fpu_xmm12, "xmm12"   , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm12)  , AVX_OFFSET(xmm12), gcc_dwarf_xmm12, gcc_dwarf_xmm12, -1U, gdb_xmm12, NULL, NULL },
1488    { e_regSetFPU, fpu_xmm13, "xmm13"   , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm13)  , AVX_OFFSET(xmm13), gcc_dwarf_xmm13, gcc_dwarf_xmm13, -1U, gdb_xmm13, NULL, NULL },
1489    { e_regSetFPU, fpu_xmm14, "xmm14"   , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm14)  , AVX_OFFSET(xmm14), gcc_dwarf_xmm14, gcc_dwarf_xmm14, -1U, gdb_xmm14, NULL, NULL },
1490    { e_regSetFPU, fpu_xmm15, "xmm15"   , NULL, Vector, VectorOfUInt8, FPU_SIZE_XMM(xmm15)  , AVX_OFFSET(xmm15), gcc_dwarf_xmm15, gcc_dwarf_xmm15, -1U, gdb_xmm15, NULL, NULL },
1491
1492    { e_regSetFPU, fpu_ymm0 , "ymm0"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm0)   , AVX_OFFSET_YMM(0) , gcc_dwarf_ymm0 , gcc_dwarf_ymm0 , -1U, gdb_ymm0, NULL, NULL },
1493    { e_regSetFPU, fpu_ymm1 , "ymm1"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm1)   , AVX_OFFSET_YMM(1) , gcc_dwarf_ymm1 , gcc_dwarf_ymm1 , -1U, gdb_ymm1, NULL, NULL },
1494    { e_regSetFPU, fpu_ymm2 , "ymm2"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm2)   , AVX_OFFSET_YMM(2) , gcc_dwarf_ymm2 , gcc_dwarf_ymm2 , -1U, gdb_ymm2, NULL, NULL },
1495    { e_regSetFPU, fpu_ymm3 , "ymm3"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm3)   , AVX_OFFSET_YMM(3) , gcc_dwarf_ymm3 , gcc_dwarf_ymm3 , -1U, gdb_ymm3, NULL, NULL },
1496    { e_regSetFPU, fpu_ymm4 , "ymm4"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm4)   , AVX_OFFSET_YMM(4) , gcc_dwarf_ymm4 , gcc_dwarf_ymm4 , -1U, gdb_ymm4, NULL, NULL },
1497    { e_regSetFPU, fpu_ymm5 , "ymm5"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm5)   , AVX_OFFSET_YMM(5) , gcc_dwarf_ymm5 , gcc_dwarf_ymm5 , -1U, gdb_ymm5, NULL, NULL },
1498    { e_regSetFPU, fpu_ymm6 , "ymm6"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm6)   , AVX_OFFSET_YMM(6) , gcc_dwarf_ymm6 , gcc_dwarf_ymm6 , -1U, gdb_ymm6, NULL, NULL },
1499    { e_regSetFPU, fpu_ymm7 , "ymm7"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm7)   , AVX_OFFSET_YMM(7) , gcc_dwarf_ymm7 , gcc_dwarf_ymm7 , -1U, gdb_ymm7, NULL, NULL },
1500    { e_regSetFPU, fpu_ymm8 , "ymm8"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm8)   , AVX_OFFSET_YMM(8) , gcc_dwarf_ymm8 , gcc_dwarf_ymm8 , -1U, gdb_ymm8 , NULL, NULL },
1501    { e_regSetFPU, fpu_ymm9 , "ymm9"    , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm9)   , AVX_OFFSET_YMM(9) , gcc_dwarf_ymm9 , gcc_dwarf_ymm9 , -1U, gdb_ymm9 , NULL, NULL },
1502    { e_regSetFPU, fpu_ymm10, "ymm10"   , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm10)  , AVX_OFFSET_YMM(10), gcc_dwarf_ymm10, gcc_dwarf_ymm10, -1U, gdb_ymm10, NULL, NULL },
1503    { e_regSetFPU, fpu_ymm11, "ymm11"   , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm11)  , AVX_OFFSET_YMM(11), gcc_dwarf_ymm11, gcc_dwarf_ymm11, -1U, gdb_ymm11, NULL, NULL },
1504    { e_regSetFPU, fpu_ymm12, "ymm12"   , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm12)  , AVX_OFFSET_YMM(12), gcc_dwarf_ymm12, gcc_dwarf_ymm12, -1U, gdb_ymm12, NULL, NULL },
1505    { e_regSetFPU, fpu_ymm13, "ymm13"   , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm13)  , AVX_OFFSET_YMM(13), gcc_dwarf_ymm13, gcc_dwarf_ymm13, -1U, gdb_ymm13, NULL, NULL },
1506    { e_regSetFPU, fpu_ymm14, "ymm14"   , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm14)  , AVX_OFFSET_YMM(14), gcc_dwarf_ymm14, gcc_dwarf_ymm14, -1U, gdb_ymm14, NULL, NULL },
1507    { e_regSetFPU, fpu_ymm15, "ymm15"   , NULL, Vector, VectorOfUInt8, FPU_SIZE_YMM(ymm15)  , AVX_OFFSET_YMM(15), gcc_dwarf_ymm15, gcc_dwarf_ymm15, -1U, gdb_ymm15, NULL, NULL }
1508};
1509
1510// Exception registers
1511
1512const DNBRegisterInfo
1513DNBArchImplX86_64::g_exc_registers[] =
1514{
1515    { e_regSetEXC, exc_trapno,      "trapno"    , NULL, Uint, Hex, EXC_SIZE (trapno)    , EXC_OFFSET (trapno)       , -1U, -1U, -1U, -1U, NULL, NULL },
1516    { e_regSetEXC, exc_err,         "err"       , NULL, Uint, Hex, EXC_SIZE (err)       , EXC_OFFSET (err)          , -1U, -1U, -1U, -1U, NULL, NULL },
1517    { e_regSetEXC, exc_faultvaddr,  "faultvaddr", NULL, Uint, Hex, EXC_SIZE (faultvaddr), EXC_OFFSET (faultvaddr)   , -1U, -1U, -1U, -1U, NULL, NULL }
1518};
1519
1520// Number of registers in each register set
1521const size_t DNBArchImplX86_64::k_num_gpr_registers = sizeof(g_gpr_registers)/sizeof(DNBRegisterInfo);
1522const size_t DNBArchImplX86_64::k_num_fpu_registers_no_avx = sizeof(g_fpu_registers_no_avx)/sizeof(DNBRegisterInfo);
1523const size_t DNBArchImplX86_64::k_num_fpu_registers_avx = sizeof(g_fpu_registers_avx)/sizeof(DNBRegisterInfo);
1524const size_t DNBArchImplX86_64::k_num_exc_registers = sizeof(g_exc_registers)/sizeof(DNBRegisterInfo);
1525const size_t DNBArchImplX86_64::k_num_all_registers_no_avx = k_num_gpr_registers + k_num_fpu_registers_no_avx + k_num_exc_registers;
1526const size_t DNBArchImplX86_64::k_num_all_registers_avx = k_num_gpr_registers + k_num_fpu_registers_avx + k_num_exc_registers;
1527
1528//----------------------------------------------------------------------
1529// Register set definitions. The first definitions at register set index
1530// of zero is for all registers, followed by other registers sets. The
1531// register information for the all register set need not be filled in.
1532//----------------------------------------------------------------------
1533const DNBRegisterSetInfo
1534DNBArchImplX86_64::g_reg_sets_no_avx[] =
1535{
1536    { "x86_64 Registers",           NULL,               k_num_all_registers_no_avx },
1537    { "General Purpose Registers",  g_gpr_registers,    k_num_gpr_registers },
1538    { "Floating Point Registers",   g_fpu_registers_no_avx, k_num_fpu_registers_no_avx },
1539    { "Exception State Registers",  g_exc_registers,    k_num_exc_registers }
1540};
1541
1542const DNBRegisterSetInfo
1543DNBArchImplX86_64::g_reg_sets_avx[] =
1544{
1545    { "x86_64 Registers",           NULL,               k_num_all_registers_avx },
1546    { "General Purpose Registers",  g_gpr_registers,    k_num_gpr_registers },
1547    { "Floating Point Registers",   g_fpu_registers_avx, k_num_fpu_registers_avx },
1548    { "Exception State Registers",  g_exc_registers,    k_num_exc_registers }
1549};
1550
1551// Total number of register sets for this architecture
1552const size_t DNBArchImplX86_64::k_num_register_sets = sizeof(g_reg_sets_avx)/sizeof(DNBRegisterSetInfo);
1553
1554
1555DNBArchProtocol *
1556DNBArchImplX86_64::Create (MachThread *thread)
1557{
1558    DNBArchImplX86_64 *obj = new DNBArchImplX86_64 (thread);
1559
1560    // When new thread comes along, it tries to inherit from the global debug state, if it is valid.
1561    if (Valid_Global_Debug_State)
1562    {
1563        obj->m_state.context.dbg = Global_Debug_State;
1564        kern_return_t kret = obj->SetDBGState();
1565        DNBLogThreadedIf(LOG_WATCHPOINTS,
1566                         "DNBArchImplX86_64::Create() Inherit and SetDBGState() => 0x%8.8x.", kret);
1567    }
1568    return obj;
1569}
1570
1571const uint8_t * const
1572DNBArchImplX86_64::SoftwareBreakpointOpcode (nub_size_t byte_size)
1573{
1574    static const uint8_t g_breakpoint_opcode[] = { 0xCC };
1575    if (byte_size == 1)
1576        return g_breakpoint_opcode;
1577    return NULL;
1578}
1579
1580const DNBRegisterSetInfo *
1581DNBArchImplX86_64::GetRegisterSetInfo(nub_size_t *num_reg_sets)
1582{
1583    *num_reg_sets = k_num_register_sets;
1584
1585    if (CPUHasAVX() || FORCE_AVX_REGS)
1586        return g_reg_sets_avx;
1587    else
1588        return g_reg_sets_no_avx;
1589}
1590
1591void
1592DNBArchImplX86_64::Initialize()
1593{
1594    DNBArchPluginInfo arch_plugin_info =
1595    {
1596        CPU_TYPE_X86_64,
1597        DNBArchImplX86_64::Create,
1598        DNBArchImplX86_64::GetRegisterSetInfo,
1599        DNBArchImplX86_64::SoftwareBreakpointOpcode
1600    };
1601
1602    // Register this arch plug-in with the main protocol class
1603    DNBArchProtocol::RegisterArchPlugin (arch_plugin_info);
1604}
1605
1606bool
1607DNBArchImplX86_64::GetRegisterValue(int set, int reg, DNBRegisterValue *value)
1608{
1609    if (set == REGISTER_SET_GENERIC)
1610    {
1611        switch (reg)
1612        {
1613            case GENERIC_REGNUM_PC:     // Program Counter
1614                set = e_regSetGPR;
1615                reg = gpr_rip;
1616                break;
1617
1618            case GENERIC_REGNUM_SP:     // Stack Pointer
1619                set = e_regSetGPR;
1620                reg = gpr_rsp;
1621                break;
1622
1623            case GENERIC_REGNUM_FP:     // Frame Pointer
1624                set = e_regSetGPR;
1625                reg = gpr_rbp;
1626                break;
1627
1628            case GENERIC_REGNUM_FLAGS:  // Processor flags register
1629                set = e_regSetGPR;
1630                reg = gpr_rflags;
1631                break;
1632
1633            case GENERIC_REGNUM_RA:     // Return Address
1634            default:
1635                return false;
1636        }
1637    }
1638
1639    if (GetRegisterState(set, false) != KERN_SUCCESS)
1640        return false;
1641
1642    const DNBRegisterInfo *regInfo = m_thread->GetRegisterInfo(set, reg);
1643    if (regInfo)
1644    {
1645        value->info = *regInfo;
1646        switch (set)
1647        {
1648            case e_regSetGPR:
1649                if (reg < k_num_gpr_registers)
1650                {
1651                    value->value.uint64 = ((uint64_t*)(&m_state.context.gpr))[reg];
1652                    return true;
1653                }
1654                break;
1655
1656            case e_regSetFPU:
1657                if (CPUHasAVX() || FORCE_AVX_REGS)
1658                {
1659                    switch (reg)
1660                    {
1661                    case fpu_fcw:       value->value.uint16 = *((uint16_t *)(&m_state.context.fpu.avx.__fpu_fcw));    return true;
1662                    case fpu_fsw:       value->value.uint16 = *((uint16_t *)(&m_state.context.fpu.avx.__fpu_fsw));    return true;
1663                    case fpu_ftw:       value->value.uint8  = m_state.context.fpu.avx.__fpu_ftw;                      return true;
1664                    case fpu_fop:       value->value.uint16 = m_state.context.fpu.avx.__fpu_fop;                      return true;
1665                    case fpu_ip:        value->value.uint32 = m_state.context.fpu.avx.__fpu_ip;                       return true;
1666                    case fpu_cs:        value->value.uint16 = m_state.context.fpu.avx.__fpu_cs;                       return true;
1667                    case fpu_dp:        value->value.uint32 = m_state.context.fpu.avx.__fpu_dp;                       return true;
1668                    case fpu_ds:        value->value.uint16 = m_state.context.fpu.avx.__fpu_ds;                       return true;
1669                    case fpu_mxcsr:     value->value.uint32 = m_state.context.fpu.avx.__fpu_mxcsr;                    return true;
1670                    case fpu_mxcsrmask: value->value.uint32 = m_state.context.fpu.avx.__fpu_mxcsrmask;                return true;
1671
1672                    case fpu_stmm0:
1673                    case fpu_stmm1:
1674                    case fpu_stmm2:
1675                    case fpu_stmm3:
1676                    case fpu_stmm4:
1677                    case fpu_stmm5:
1678                    case fpu_stmm6:
1679                    case fpu_stmm7:
1680                        memcpy(&value->value.uint8, &m_state.context.fpu.avx.__fpu_stmm0 + (reg - fpu_stmm0), 10);
1681                        return true;
1682
1683                    case fpu_xmm0:
1684                    case fpu_xmm1:
1685                    case fpu_xmm2:
1686                    case fpu_xmm3:
1687                    case fpu_xmm4:
1688                    case fpu_xmm5:
1689                    case fpu_xmm6:
1690                    case fpu_xmm7:
1691                    case fpu_xmm8:
1692                    case fpu_xmm9:
1693                    case fpu_xmm10:
1694                    case fpu_xmm11:
1695                    case fpu_xmm12:
1696                    case fpu_xmm13:
1697                    case fpu_xmm14:
1698                    case fpu_xmm15:
1699                        memcpy(&value->value.uint8, &m_state.context.fpu.avx.__fpu_xmm0 + (reg - fpu_xmm0), 16);
1700                        return true;
1701
1702                    case fpu_ymm0:
1703                    case fpu_ymm1:
1704                    case fpu_ymm2:
1705                    case fpu_ymm3:
1706                    case fpu_ymm4:
1707                    case fpu_ymm5:
1708                    case fpu_ymm6:
1709                    case fpu_ymm7:
1710                    case fpu_ymm8:
1711                    case fpu_ymm9:
1712                    case fpu_ymm10:
1713                    case fpu_ymm11:
1714                    case fpu_ymm12:
1715                    case fpu_ymm13:
1716                    case fpu_ymm14:
1717                    case fpu_ymm15:
1718                        memcpy(&value->value.uint8, &m_state.context.fpu.avx.__fpu_xmm0 + (reg - fpu_ymm0), 16);
1719                        memcpy((&value->value.uint8) + 16, &m_state.context.fpu.avx.__fpu_ymmh0 + (reg - fpu_ymm0), 16);
1720                        return true;
1721                    }
1722                }
1723                else
1724                {
1725                    switch (reg)
1726                    {
1727                        case fpu_fcw:       value->value.uint16 = *((uint16_t *)(&m_state.context.fpu.no_avx.__fpu_fcw));    return true;
1728                        case fpu_fsw:       value->value.uint16 = *((uint16_t *)(&m_state.context.fpu.no_avx.__fpu_fsw));    return true;
1729                        case fpu_ftw:       value->value.uint8  = m_state.context.fpu.no_avx.__fpu_ftw;                      return true;
1730                        case fpu_fop:       value->value.uint16 = m_state.context.fpu.no_avx.__fpu_fop;                      return true;
1731                        case fpu_ip:        value->value.uint32 = m_state.context.fpu.no_avx.__fpu_ip;                       return true;
1732                        case fpu_cs:        value->value.uint16 = m_state.context.fpu.no_avx.__fpu_cs;                       return true;
1733                        case fpu_dp:        value->value.uint32 = m_state.context.fpu.no_avx.__fpu_dp;                       return true;
1734                        case fpu_ds:        value->value.uint16 = m_state.context.fpu.no_avx.__fpu_ds;                       return true;
1735                        case fpu_mxcsr:     value->value.uint32 = m_state.context.fpu.no_avx.__fpu_mxcsr;                    return true;
1736                        case fpu_mxcsrmask: value->value.uint32 = m_state.context.fpu.no_avx.__fpu_mxcsrmask;                return true;
1737
1738                        case fpu_stmm0:
1739                        case fpu_stmm1:
1740                        case fpu_stmm2:
1741                        case fpu_stmm3:
1742                        case fpu_stmm4:
1743                        case fpu_stmm5:
1744                        case fpu_stmm6:
1745                        case fpu_stmm7:
1746                            memcpy(&value->value.uint8, &m_state.context.fpu.no_avx.__fpu_stmm0 + (reg - fpu_stmm0), 10);
1747                            return true;
1748
1749                        case fpu_xmm0:
1750                        case fpu_xmm1:
1751                        case fpu_xmm2:
1752                        case fpu_xmm3:
1753                        case fpu_xmm4:
1754                        case fpu_xmm5:
1755                        case fpu_xmm6:
1756                        case fpu_xmm7:
1757                        case fpu_xmm8:
1758                        case fpu_xmm9:
1759                        case fpu_xmm10:
1760                        case fpu_xmm11:
1761                        case fpu_xmm12:
1762                        case fpu_xmm13:
1763                        case fpu_xmm14:
1764                        case fpu_xmm15:
1765                            memcpy(&value->value.uint8, &m_state.context.fpu.no_avx.__fpu_xmm0 + (reg - fpu_xmm0), 16);
1766                            return true;
1767                    }
1768                }
1769                break;
1770
1771            case e_regSetEXC:
1772                switch (reg)
1773                {
1774                case exc_trapno:    value->value.uint32 = m_state.context.exc.__trapno; return true;
1775                case exc_err:       value->value.uint32 = m_state.context.exc.__err; return true;
1776                case exc_faultvaddr:value->value.uint64 = m_state.context.exc.__faultvaddr; return true;
1777                }
1778                break;
1779        }
1780    }
1781    return false;
1782}
1783
1784
1785bool
1786DNBArchImplX86_64::SetRegisterValue(int set, int reg, const DNBRegisterValue *value)
1787{
1788    if (set == REGISTER_SET_GENERIC)
1789    {
1790        switch (reg)
1791        {
1792            case GENERIC_REGNUM_PC:     // Program Counter
1793                set = e_regSetGPR;
1794                reg = gpr_rip;
1795                break;
1796
1797            case GENERIC_REGNUM_SP:     // Stack Pointer
1798                set = e_regSetGPR;
1799                reg = gpr_rsp;
1800                break;
1801
1802            case GENERIC_REGNUM_FP:     // Frame Pointer
1803                set = e_regSetGPR;
1804                reg = gpr_rbp;
1805                break;
1806
1807            case GENERIC_REGNUM_FLAGS:  // Processor flags register
1808                set = e_regSetGPR;
1809                reg = gpr_rflags;
1810                break;
1811
1812            case GENERIC_REGNUM_RA:     // Return Address
1813            default:
1814                return false;
1815        }
1816    }
1817
1818    if (GetRegisterState(set, false) != KERN_SUCCESS)
1819        return false;
1820
1821    bool success = false;
1822    const DNBRegisterInfo *regInfo = m_thread->GetRegisterInfo(set, reg);
1823    if (regInfo)
1824    {
1825        switch (set)
1826        {
1827            case e_regSetGPR:
1828                if (reg < k_num_gpr_registers)
1829                {
1830                    ((uint64_t*)(&m_state.context.gpr))[reg] = value->value.uint64;
1831                    success = true;
1832                }
1833                break;
1834
1835            case e_regSetFPU:
1836                if (CPUHasAVX() || FORCE_AVX_REGS)
1837                {
1838                    switch (reg)
1839                    {
1840                    case fpu_fcw:       *((uint16_t *)(&m_state.context.fpu.avx.__fpu_fcw)) = value->value.uint16;    success = true; break;
1841                    case fpu_fsw:       *((uint16_t *)(&m_state.context.fpu.avx.__fpu_fsw)) = value->value.uint16;    success = true; break;
1842                    case fpu_ftw:       m_state.context.fpu.avx.__fpu_ftw = value->value.uint8;                       success = true; break;
1843                    case fpu_fop:       m_state.context.fpu.avx.__fpu_fop = value->value.uint16;                      success = true; break;
1844                    case fpu_ip:        m_state.context.fpu.avx.__fpu_ip = value->value.uint32;                       success = true; break;
1845                    case fpu_cs:        m_state.context.fpu.avx.__fpu_cs = value->value.uint16;                       success = true; break;
1846                    case fpu_dp:        m_state.context.fpu.avx.__fpu_dp = value->value.uint32;                       success = true; break;
1847                    case fpu_ds:        m_state.context.fpu.avx.__fpu_ds = value->value.uint16;                       success = true; break;
1848                    case fpu_mxcsr:     m_state.context.fpu.avx.__fpu_mxcsr = value->value.uint32;                    success = true; break;
1849                    case fpu_mxcsrmask: m_state.context.fpu.avx.__fpu_mxcsrmask = value->value.uint32;                success = true; break;
1850
1851                    case fpu_stmm0:
1852                    case fpu_stmm1:
1853                    case fpu_stmm2:
1854                    case fpu_stmm3:
1855                    case fpu_stmm4:
1856                    case fpu_stmm5:
1857                    case fpu_stmm6:
1858                    case fpu_stmm7:
1859                        memcpy (&m_state.context.fpu.avx.__fpu_stmm0 + (reg - fpu_stmm0), &value->value.uint8, 10);
1860                        success = true;
1861                        break;
1862
1863                    case fpu_xmm0:
1864                    case fpu_xmm1:
1865                    case fpu_xmm2:
1866                    case fpu_xmm3:
1867                    case fpu_xmm4:
1868                    case fpu_xmm5:
1869                    case fpu_xmm6:
1870                    case fpu_xmm7:
1871                    case fpu_xmm8:
1872                    case fpu_xmm9:
1873                    case fpu_xmm10:
1874                    case fpu_xmm11:
1875                    case fpu_xmm12:
1876                    case fpu_xmm13:
1877                    case fpu_xmm14:
1878                    case fpu_xmm15:
1879                        memcpy (&m_state.context.fpu.avx.__fpu_xmm0 + (reg - fpu_xmm0), &value->value.uint8, 16);
1880                        success = true;
1881                        break;
1882
1883                    case fpu_ymm0:
1884                    case fpu_ymm1:
1885                    case fpu_ymm2:
1886                    case fpu_ymm3:
1887                    case fpu_ymm4:
1888                    case fpu_ymm5:
1889                    case fpu_ymm6:
1890                    case fpu_ymm7:
1891                    case fpu_ymm8:
1892                    case fpu_ymm9:
1893                    case fpu_ymm10:
1894                    case fpu_ymm11:
1895                    case fpu_ymm12:
1896                    case fpu_ymm13:
1897                    case fpu_ymm14:
1898                    case fpu_ymm15:
1899                        memcpy(&m_state.context.fpu.avx.__fpu_xmm0 + (reg - fpu_ymm0), &value->value.uint8, 16);
1900                        memcpy(&m_state.context.fpu.avx.__fpu_ymmh0 + (reg - fpu_ymm0), (&value->value.uint8) + 16, 16);
1901                        return true;
1902                    }
1903                }
1904                else
1905                {
1906                    switch (reg)
1907                    {
1908                    case fpu_fcw:       *((uint16_t *)(&m_state.context.fpu.no_avx.__fpu_fcw)) = value->value.uint16;    success = true; break;
1909                    case fpu_fsw:       *((uint16_t *)(&m_state.context.fpu.no_avx.__fpu_fsw)) = value->value.uint16;    success = true; break;
1910                    case fpu_ftw:       m_state.context.fpu.no_avx.__fpu_ftw = value->value.uint8;                       success = true; break;
1911                    case fpu_fop:       m_state.context.fpu.no_avx.__fpu_fop = value->value.uint16;                      success = true; break;
1912                    case fpu_ip:        m_state.context.fpu.no_avx.__fpu_ip = value->value.uint32;                       success = true; break;
1913                    case fpu_cs:        m_state.context.fpu.no_avx.__fpu_cs = value->value.uint16;                       success = true; break;
1914                    case fpu_dp:        m_state.context.fpu.no_avx.__fpu_dp = value->value.uint32;                       success = true; break;
1915                    case fpu_ds:        m_state.context.fpu.no_avx.__fpu_ds = value->value.uint16;                       success = true; break;
1916                    case fpu_mxcsr:     m_state.context.fpu.no_avx.__fpu_mxcsr = value->value.uint32;                    success = true; break;
1917                    case fpu_mxcsrmask: m_state.context.fpu.no_avx.__fpu_mxcsrmask = value->value.uint32;                success = true; break;
1918
1919                    case fpu_stmm0:
1920                    case fpu_stmm1:
1921                    case fpu_stmm2:
1922                    case fpu_stmm3:
1923                    case fpu_stmm4:
1924                    case fpu_stmm5:
1925                    case fpu_stmm6:
1926                    case fpu_stmm7:
1927                        memcpy (&m_state.context.fpu.no_avx.__fpu_stmm0 + (reg - fpu_stmm0), &value->value.uint8, 10);
1928                        success = true;
1929                        break;
1930
1931                    case fpu_xmm0:
1932                    case fpu_xmm1:
1933                    case fpu_xmm2:
1934                    case fpu_xmm3:
1935                    case fpu_xmm4:
1936                    case fpu_xmm5:
1937                    case fpu_xmm6:
1938                    case fpu_xmm7:
1939                    case fpu_xmm8:
1940                    case fpu_xmm9:
1941                    case fpu_xmm10:
1942                    case fpu_xmm11:
1943                    case fpu_xmm12:
1944                    case fpu_xmm13:
1945                    case fpu_xmm14:
1946                    case fpu_xmm15:
1947                        memcpy (&m_state.context.fpu.no_avx.__fpu_xmm0 + (reg - fpu_xmm0), &value->value.uint8, 16);
1948                        success = true;
1949                        break;
1950                    }
1951                }
1952                break;
1953
1954            case e_regSetEXC:
1955                switch (reg)
1956            {
1957                case exc_trapno:    m_state.context.exc.__trapno = value->value.uint32;     success = true; break;
1958                case exc_err:       m_state.context.exc.__err = value->value.uint32;        success = true; break;
1959                case exc_faultvaddr:m_state.context.exc.__faultvaddr = value->value.uint64; success = true; break;
1960            }
1961                break;
1962        }
1963    }
1964
1965    if (success)
1966        return SetRegisterState(set) == KERN_SUCCESS;
1967    return false;
1968}
1969
1970
1971nub_size_t
1972DNBArchImplX86_64::GetRegisterContext (void *buf, nub_size_t buf_len)
1973{
1974    nub_size_t size = sizeof (m_state.context);
1975
1976    if (buf && buf_len)
1977    {
1978        if (size > buf_len)
1979            size = buf_len;
1980
1981        bool force = false;
1982        kern_return_t kret;
1983        if ((kret = GetGPRState(force)) != KERN_SUCCESS)
1984        {
1985            DNBLogThreadedIf (LOG_THREAD, "DNBArchImplX86_64::GetRegisterContext (buf = %p, len = %llu) error: GPR regs failed to read: %u ", buf, (uint64_t)buf_len, kret);
1986            size = 0;
1987        }
1988        else
1989        if ((kret = GetFPUState(force)) != KERN_SUCCESS)
1990        {
1991            DNBLogThreadedIf (LOG_THREAD, "DNBArchImplX86_64::GetRegisterContext (buf = %p, len = %llu) error: %s regs failed to read: %u", buf, (uint64_t)buf_len, CPUHasAVX() ? "AVX" : "FPU", kret);
1992            size = 0;
1993        }
1994        else
1995        if ((kret = GetEXCState(force)) != KERN_SUCCESS)
1996        {
1997            DNBLogThreadedIf (LOG_THREAD, "DNBArchImplX86_64::GetRegisterContext (buf = %p, len = %llu) error: EXC regs failed to read: %u", buf, (uint64_t)buf_len, kret);
1998            size = 0;
1999        }
2000        else
2001        {
2002            // Success
2003            ::memcpy (buf, &m_state.context, size);
2004        }
2005    }
2006    DNBLogThreadedIf (LOG_THREAD, "DNBArchImplX86_64::GetRegisterContext (buf = %p, len = %llu) => %llu", buf, (uint64_t)buf_len, (uint64_t)size);
2007    // Return the size of the register context even if NULL was passed in
2008    return size;
2009}
2010
2011nub_size_t
2012DNBArchImplX86_64::SetRegisterContext (const void *buf, nub_size_t buf_len)
2013{
2014    nub_size_t size = sizeof (m_state.context);
2015    if (buf == NULL || buf_len == 0)
2016        size = 0;
2017
2018    if (size)
2019    {
2020        if (size > buf_len)
2021            size = buf_len;
2022
2023        ::memcpy (&m_state.context, buf, size);
2024        kern_return_t kret;
2025        if ((kret = SetGPRState()) != KERN_SUCCESS)
2026            DNBLogThreadedIf (LOG_THREAD, "DNBArchImplX86_64::SetRegisterContext (buf = %p, len = %llu) error: GPR regs failed to write: %u", buf, (uint64_t)buf_len, kret);
2027        if ((kret = SetFPUState()) != KERN_SUCCESS)
2028            DNBLogThreadedIf (LOG_THREAD, "DNBArchImplX86_64::SetRegisterContext (buf = %p, len = %llu) error: %s regs failed to write: %u", buf, (uint64_t)buf_len, CPUHasAVX() ? "AVX" : "FPU", kret);
2029        if ((kret = SetEXCState()) != KERN_SUCCESS)
2030            DNBLogThreadedIf (LOG_THREAD, "DNBArchImplX86_64::SetRegisterContext (buf = %p, len = %llu) error: EXP regs failed to write: %u", buf, (uint64_t)buf_len, kret);
2031    }
2032    DNBLogThreadedIf (LOG_THREAD, "DNBArchImplX86_64::SetRegisterContext (buf = %p, len = %llu) => %llu", buf, (uint64_t)buf_len, (uint64_t)size);
2033    return size;
2034}
2035
2036
2037kern_return_t
2038DNBArchImplX86_64::GetRegisterState(int set, bool force)
2039{
2040    switch (set)
2041    {
2042        case e_regSetALL:    return GetGPRState(force) | GetFPUState(force) | GetEXCState(force);
2043        case e_regSetGPR:    return GetGPRState(force);
2044        case e_regSetFPU:    return GetFPUState(force);
2045        case e_regSetEXC:    return GetEXCState(force);
2046        default: break;
2047    }
2048    return KERN_INVALID_ARGUMENT;
2049}
2050
2051kern_return_t
2052DNBArchImplX86_64::SetRegisterState(int set)
2053{
2054    // Make sure we have a valid context to set.
2055    if (RegisterSetStateIsValid(set))
2056    {
2057        switch (set)
2058        {
2059            case e_regSetALL:    return SetGPRState() | SetFPUState() | SetEXCState();
2060            case e_regSetGPR:    return SetGPRState();
2061            case e_regSetFPU:    return SetFPUState();
2062            case e_regSetEXC:    return SetEXCState();
2063            default: break;
2064        }
2065    }
2066    return KERN_INVALID_ARGUMENT;
2067}
2068
2069bool
2070DNBArchImplX86_64::RegisterSetStateIsValid (int set) const
2071{
2072    return m_state.RegsAreValid(set);
2073}
2074
2075
2076
2077#endif    // #if defined (__i386__) || defined (__x86_64__)
2078