1 //===-- RegisterContextPOSIX_x86.cpp ----------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
14 #include "lldb/Core/DataBufferHeap.h"
15 #include "lldb/Core/DataExtractor.h"
16 #include "lldb/Core/RegisterValue.h"
17 #include "lldb/Core/Scalar.h"
18 #include "lldb/Target/Target.h"
19 #include "lldb/Target/Thread.h"
20 #include "lldb/Host/Endian.h"
21 #include "llvm/Support/Compiler.h"
23 #include "RegisterContext_x86.h"
24 #include "RegisterContextPOSIX_x86.h"
25 #include "Plugins/Process/elf-core/ProcessElfCore.h"
27 using namespace lldb_private;
31 g_gpr_regnums_i386[] =
65 LLDB_INVALID_REGNUM, // Register sets must be terminated with LLDB_INVALID_REGNUM.
67 static_assert((sizeof(g_gpr_regnums_i386) / sizeof(g_gpr_regnums_i386[0])) - 1 == k_num_gpr_registers_i386,
68 "g_gpr_regnums_i386 has wrong number of register infos");
71 g_lldb_regnums_i386[] =
107 LLDB_INVALID_REGNUM // Register sets must be terminated with LLDB_INVALID_REGNUM.
109 static_assert((sizeof(g_lldb_regnums_i386) / sizeof(g_lldb_regnums_i386[0])) - 1 == k_num_fpr_registers_i386,
110 "g_lldb_regnums_i386 has wrong number of register infos");
113 g_avx_regnums_i386[] =
123 LLDB_INVALID_REGNUM // Register sets must be terminated with LLDB_INVALID_REGNUM.
125 static_assert((sizeof(g_avx_regnums_i386) / sizeof(g_avx_regnums_i386[0])) - 1 == k_num_avx_registers_i386,
126 " g_avx_regnums_i386 has wrong number of register infos");
129 uint32_t g_gpr_regnums_x86_64[] =
163 lldb_r8d_x86_64, // Low 32 bits or r8
164 lldb_r9d_x86_64, // Low 32 bits or r9
165 lldb_r10d_x86_64, // Low 32 bits or r10
166 lldb_r11d_x86_64, // Low 32 bits or r11
167 lldb_r12d_x86_64, // Low 32 bits or r12
168 lldb_r13d_x86_64, // Low 32 bits or r13
169 lldb_r14d_x86_64, // Low 32 bits or r14
170 lldb_r15d_x86_64, // Low 32 bits or r15
179 lldb_r8w_x86_64, // Low 16 bits or r8
180 lldb_r9w_x86_64, // Low 16 bits or r9
181 lldb_r10w_x86_64, // Low 16 bits or r10
182 lldb_r11w_x86_64, // Low 16 bits or r11
183 lldb_r12w_x86_64, // Low 16 bits or r12
184 lldb_r13w_x86_64, // Low 16 bits or r13
185 lldb_r14w_x86_64, // Low 16 bits or r14
186 lldb_r15w_x86_64, // Low 16 bits or r15
199 lldb_r8l_x86_64, // Low 8 bits or r8
200 lldb_r9l_x86_64, // Low 8 bits or r9
201 lldb_r10l_x86_64, // Low 8 bits or r10
202 lldb_r11l_x86_64, // Low 8 bits or r11
203 lldb_r12l_x86_64, // Low 8 bits or r12
204 lldb_r13l_x86_64, // Low 8 bits or r13
205 lldb_r14l_x86_64, // Low 8 bits or r14
206 lldb_r15l_x86_64, // Low 8 bits or r15
207 LLDB_INVALID_REGNUM // Register sets must be terminated with LLDB_INVALID_REGNUM.
209 static_assert((sizeof(g_gpr_regnums_x86_64) / sizeof(g_gpr_regnums_x86_64[0])) - 1 == k_num_gpr_registers_x86_64,
210 "g_gpr_regnums_x86_64 has wrong number of register infos");
212 static const uint32_t
213 g_lldb_regnums_x86_64[] =
224 lldb_mxcsrmask_x86_64,
257 LLDB_INVALID_REGNUM // Register sets must be terminated with LLDB_INVALID_REGNUM.
259 static_assert((sizeof(g_lldb_regnums_x86_64) / sizeof(g_lldb_regnums_x86_64[0])) - 1 == k_num_fpr_registers_x86_64,
260 "g_lldb_regnums_x86_64 has wrong number of register infos");
262 static const uint32_t
263 g_avx_regnums_x86_64[] =
281 LLDB_INVALID_REGNUM // Register sets must be terminated with LLDB_INVALID_REGNUM.
283 static_assert((sizeof(g_avx_regnums_x86_64) / sizeof(g_avx_regnums_x86_64[0])) - 1 == k_num_avx_registers_x86_64,
284 "g_avx_regnums_x86_64 has wrong number of register infos");
286 uint32_t RegisterContextPOSIX_x86::g_contained_eax[] = { lldb_eax_i386, LLDB_INVALID_REGNUM };
287 uint32_t RegisterContextPOSIX_x86::g_contained_ebx[] = { lldb_ebx_i386, LLDB_INVALID_REGNUM };
288 uint32_t RegisterContextPOSIX_x86::g_contained_ecx[] = { lldb_ecx_i386, LLDB_INVALID_REGNUM };
289 uint32_t RegisterContextPOSIX_x86::g_contained_edx[] = { lldb_edx_i386, LLDB_INVALID_REGNUM };
290 uint32_t RegisterContextPOSIX_x86::g_contained_edi[] = { lldb_edi_i386, LLDB_INVALID_REGNUM };
291 uint32_t RegisterContextPOSIX_x86::g_contained_esi[] = { lldb_esi_i386, LLDB_INVALID_REGNUM };
292 uint32_t RegisterContextPOSIX_x86::g_contained_ebp[] = { lldb_ebp_i386, LLDB_INVALID_REGNUM };
293 uint32_t RegisterContextPOSIX_x86::g_contained_esp[] = { lldb_esp_i386, LLDB_INVALID_REGNUM };
295 uint32_t RegisterContextPOSIX_x86::g_invalidate_eax[] = { lldb_eax_i386, lldb_ax_i386, lldb_ah_i386, lldb_al_i386, LLDB_INVALID_REGNUM };
296 uint32_t RegisterContextPOSIX_x86::g_invalidate_ebx[] = { lldb_ebx_i386, lldb_bx_i386, lldb_bh_i386, lldb_bl_i386, LLDB_INVALID_REGNUM };
297 uint32_t RegisterContextPOSIX_x86::g_invalidate_ecx[] = { lldb_ecx_i386, lldb_cx_i386, lldb_ch_i386, lldb_cl_i386, LLDB_INVALID_REGNUM };
298 uint32_t RegisterContextPOSIX_x86::g_invalidate_edx[] = { lldb_edx_i386, lldb_dx_i386, lldb_dh_i386, lldb_dl_i386, LLDB_INVALID_REGNUM };
299 uint32_t RegisterContextPOSIX_x86::g_invalidate_edi[] = { lldb_edi_i386, lldb_di_i386, LLDB_INVALID_REGNUM };
300 uint32_t RegisterContextPOSIX_x86::g_invalidate_esi[] = { lldb_esi_i386, lldb_si_i386, LLDB_INVALID_REGNUM };
301 uint32_t RegisterContextPOSIX_x86::g_invalidate_ebp[] = { lldb_ebp_i386, lldb_bp_i386, LLDB_INVALID_REGNUM };
302 uint32_t RegisterContextPOSIX_x86::g_invalidate_esp[] = { lldb_esp_i386, lldb_sp_i386, LLDB_INVALID_REGNUM };
304 uint32_t RegisterContextPOSIX_x86::g_contained_rax[] = { lldb_rax_x86_64, LLDB_INVALID_REGNUM };
305 uint32_t RegisterContextPOSIX_x86::g_contained_rbx[] = { lldb_rbx_x86_64, LLDB_INVALID_REGNUM };
306 uint32_t RegisterContextPOSIX_x86::g_contained_rcx[] = { lldb_rcx_x86_64, LLDB_INVALID_REGNUM };
307 uint32_t RegisterContextPOSIX_x86::g_contained_rdx[] = { lldb_rdx_x86_64, LLDB_INVALID_REGNUM };
308 uint32_t RegisterContextPOSIX_x86::g_contained_rdi[] = { lldb_rdi_x86_64, LLDB_INVALID_REGNUM };
309 uint32_t RegisterContextPOSIX_x86::g_contained_rsi[] = { lldb_rsi_x86_64, LLDB_INVALID_REGNUM };
310 uint32_t RegisterContextPOSIX_x86::g_contained_rbp[] = { lldb_rbp_x86_64, LLDB_INVALID_REGNUM };
311 uint32_t RegisterContextPOSIX_x86::g_contained_rsp[] = { lldb_rsp_x86_64, LLDB_INVALID_REGNUM };
312 uint32_t RegisterContextPOSIX_x86::g_contained_r8[] = { lldb_r8_x86_64, LLDB_INVALID_REGNUM };
313 uint32_t RegisterContextPOSIX_x86::g_contained_r9[] = { lldb_r9_x86_64, LLDB_INVALID_REGNUM };
314 uint32_t RegisterContextPOSIX_x86::g_contained_r10[] = { lldb_r10_x86_64, LLDB_INVALID_REGNUM };
315 uint32_t RegisterContextPOSIX_x86::g_contained_r11[] = { lldb_r11_x86_64, LLDB_INVALID_REGNUM };
316 uint32_t RegisterContextPOSIX_x86::g_contained_r12[] = { lldb_r12_x86_64, LLDB_INVALID_REGNUM };
317 uint32_t RegisterContextPOSIX_x86::g_contained_r13[] = { lldb_r13_x86_64, LLDB_INVALID_REGNUM };
318 uint32_t RegisterContextPOSIX_x86::g_contained_r14[] = { lldb_r14_x86_64, LLDB_INVALID_REGNUM };
319 uint32_t RegisterContextPOSIX_x86::g_contained_r15[] = { lldb_r15_x86_64, LLDB_INVALID_REGNUM };
321 uint32_t RegisterContextPOSIX_x86::g_invalidate_rax[] = { lldb_rax_x86_64, lldb_eax_x86_64, lldb_ax_x86_64, lldb_ah_x86_64, lldb_al_x86_64, LLDB_INVALID_REGNUM };
322 uint32_t RegisterContextPOSIX_x86::g_invalidate_rbx[] = { lldb_rbx_x86_64, lldb_ebx_x86_64, lldb_bx_x86_64, lldb_bh_x86_64, lldb_bl_x86_64, LLDB_INVALID_REGNUM };
323 uint32_t RegisterContextPOSIX_x86::g_invalidate_rcx[] = { lldb_rcx_x86_64, lldb_ecx_x86_64, lldb_cx_x86_64, lldb_ch_x86_64, lldb_cl_x86_64, LLDB_INVALID_REGNUM };
324 uint32_t RegisterContextPOSIX_x86::g_invalidate_rdx[] = { lldb_rdx_x86_64, lldb_edx_x86_64, lldb_dx_x86_64, lldb_dh_x86_64, lldb_dl_x86_64, LLDB_INVALID_REGNUM };
325 uint32_t RegisterContextPOSIX_x86::g_invalidate_rdi[] = { lldb_rdi_x86_64, lldb_edi_x86_64, lldb_di_x86_64, lldb_dil_x86_64, LLDB_INVALID_REGNUM };
326 uint32_t RegisterContextPOSIX_x86::g_invalidate_rsi[] = { lldb_rsi_x86_64, lldb_esi_x86_64, lldb_si_x86_64, lldb_sil_x86_64, LLDB_INVALID_REGNUM };
327 uint32_t RegisterContextPOSIX_x86::g_invalidate_rbp[] = { lldb_rbp_x86_64, lldb_ebp_x86_64, lldb_bp_x86_64, lldb_bpl_x86_64, LLDB_INVALID_REGNUM };
328 uint32_t RegisterContextPOSIX_x86::g_invalidate_rsp[] = { lldb_rsp_x86_64, lldb_esp_x86_64, lldb_sp_x86_64, lldb_spl_x86_64, LLDB_INVALID_REGNUM };
329 uint32_t RegisterContextPOSIX_x86::g_invalidate_r8[] = { lldb_r8_x86_64, lldb_r8d_x86_64, lldb_r8w_x86_64, lldb_r8l_x86_64, LLDB_INVALID_REGNUM };
330 uint32_t RegisterContextPOSIX_x86::g_invalidate_r9[] = { lldb_r9_x86_64, lldb_r9d_x86_64, lldb_r9w_x86_64, lldb_r9l_x86_64, LLDB_INVALID_REGNUM };
331 uint32_t RegisterContextPOSIX_x86::g_invalidate_r10[] = { lldb_r10_x86_64, lldb_r10d_x86_64, lldb_r10w_x86_64, lldb_r10l_x86_64, LLDB_INVALID_REGNUM };
332 uint32_t RegisterContextPOSIX_x86::g_invalidate_r11[] = { lldb_r11_x86_64, lldb_r11d_x86_64, lldb_r11w_x86_64, lldb_r11l_x86_64, LLDB_INVALID_REGNUM };
333 uint32_t RegisterContextPOSIX_x86::g_invalidate_r12[] = { lldb_r12_x86_64, lldb_r12d_x86_64, lldb_r12w_x86_64, lldb_r12l_x86_64, LLDB_INVALID_REGNUM };
334 uint32_t RegisterContextPOSIX_x86::g_invalidate_r13[] = { lldb_r13_x86_64, lldb_r13d_x86_64, lldb_r13w_x86_64, lldb_r13l_x86_64, LLDB_INVALID_REGNUM };
335 uint32_t RegisterContextPOSIX_x86::g_invalidate_r14[] = { lldb_r14_x86_64, lldb_r14d_x86_64, lldb_r14w_x86_64, lldb_r14l_x86_64, LLDB_INVALID_REGNUM };
336 uint32_t RegisterContextPOSIX_x86::g_invalidate_r15[] = { lldb_r15_x86_64, lldb_r15d_x86_64, lldb_r15w_x86_64, lldb_r15l_x86_64, LLDB_INVALID_REGNUM };
338 // Number of register sets provided by this context.
341 k_num_extended_register_sets = 1,
342 k_num_register_sets = 3
345 static const RegisterSet
346 g_reg_sets_i386[k_num_register_sets] =
348 { "General Purpose Registers", "gpr", k_num_gpr_registers_i386, g_gpr_regnums_i386 },
349 { "Floating Point Registers", "fpu", k_num_fpr_registers_i386, g_lldb_regnums_i386 },
350 { "Advanced Vector Extensions", "avx", k_num_avx_registers_i386, g_avx_regnums_i386 }
353 static const RegisterSet
354 g_reg_sets_x86_64[k_num_register_sets] =
356 { "General Purpose Registers", "gpr", k_num_gpr_registers_x86_64, g_gpr_regnums_x86_64 },
357 { "Floating Point Registers", "fpu", k_num_fpr_registers_x86_64, g_lldb_regnums_x86_64 },
358 { "Advanced Vector Extensions", "avx", k_num_avx_registers_x86_64, g_avx_regnums_x86_64 }
361 bool RegisterContextPOSIX_x86::IsGPR(unsigned reg)
363 return reg <= m_reg_info.last_gpr; // GPR's come first.
366 bool RegisterContextPOSIX_x86::IsFPR(unsigned reg)
368 return (m_reg_info.first_fpr <= reg && reg <= m_reg_info.last_fpr);
371 bool RegisterContextPOSIX_x86::IsAVX(unsigned reg)
373 return (m_reg_info.first_ymm <= reg && reg <= m_reg_info.last_ymm);
376 bool RegisterContextPOSIX_x86::IsFPR(unsigned reg, FPRType fpr_type)
378 bool generic_fpr = IsFPR(reg);
380 if (fpr_type == eXSAVE)
381 return generic_fpr || IsAVX(reg);
385 RegisterContextPOSIX_x86::RegisterContextPOSIX_x86(Thread &thread,
386 uint32_t concrete_frame_idx,
387 RegisterInfoInterface *register_info)
388 : RegisterContext(thread, concrete_frame_idx)
390 m_register_info_ap.reset(register_info);
392 switch (register_info->m_target_arch.GetMachine())
394 case llvm::Triple::x86:
395 m_reg_info.num_registers = k_num_registers_i386;
396 m_reg_info.num_gpr_registers = k_num_gpr_registers_i386;
397 m_reg_info.num_fpr_registers = k_num_fpr_registers_i386;
398 m_reg_info.num_avx_registers = k_num_avx_registers_i386;
399 m_reg_info.last_gpr = k_last_gpr_i386;
400 m_reg_info.first_fpr = k_first_fpr_i386;
401 m_reg_info.last_fpr = k_last_fpr_i386;
402 m_reg_info.first_st = lldb_st0_i386;
403 m_reg_info.last_st = lldb_st7_i386;
404 m_reg_info.first_mm = lldb_mm0_i386;
405 m_reg_info.last_mm = lldb_mm7_i386;
406 m_reg_info.first_xmm = lldb_xmm0_i386;
407 m_reg_info.last_xmm = lldb_xmm7_i386;
408 m_reg_info.first_ymm = lldb_ymm0_i386;
409 m_reg_info.last_ymm = lldb_ymm7_i386;
410 m_reg_info.first_dr = lldb_dr0_i386;
411 m_reg_info.gpr_flags = lldb_eflags_i386;
413 case llvm::Triple::x86_64:
414 m_reg_info.num_registers = k_num_registers_x86_64;
415 m_reg_info.num_gpr_registers = k_num_gpr_registers_x86_64;
416 m_reg_info.num_fpr_registers = k_num_fpr_registers_x86_64;
417 m_reg_info.num_avx_registers = k_num_avx_registers_x86_64;
418 m_reg_info.last_gpr = k_last_gpr_x86_64;
419 m_reg_info.first_fpr = k_first_fpr_x86_64;
420 m_reg_info.last_fpr = k_last_fpr_x86_64;
421 m_reg_info.first_st = lldb_st0_x86_64;
422 m_reg_info.last_st = lldb_st7_x86_64;
423 m_reg_info.first_mm = lldb_mm0_x86_64;
424 m_reg_info.last_mm = lldb_mm7_x86_64;
425 m_reg_info.first_xmm = lldb_xmm0_x86_64;
426 m_reg_info.last_xmm = lldb_xmm15_x86_64;
427 m_reg_info.first_ymm = lldb_ymm0_x86_64;
428 m_reg_info.last_ymm = lldb_ymm15_x86_64;
429 m_reg_info.first_dr = lldb_dr0_x86_64;
430 m_reg_info.gpr_flags = lldb_rflags_x86_64;
433 assert(false && "Unhandled target architecture.");
437 // Initialize m_iovec to point to the buffer and buffer size
438 // using the conventions of Berkeley style UIO structures, as required
439 // by PTRACE extensions.
440 m_iovec.iov_base = &m_fpr.xstate.xsave;
441 m_iovec.iov_len = sizeof(m_fpr.xstate.xsave);
443 ::memset(&m_fpr, 0, sizeof(FPR));
445 // elf-core yet to support ReadFPR()
446 ProcessSP base = CalculateProcess();
447 if (base.get()->GetPluginName() == ProcessElfCore::GetPluginNameStatic())
450 m_fpr_type = eNotValid;
453 RegisterContextPOSIX_x86::~RegisterContextPOSIX_x86()
457 RegisterContextPOSIX_x86::FPRType RegisterContextPOSIX_x86::GetFPRType()
459 if (m_fpr_type == eNotValid)
461 // TODO: Use assembly to call cpuid on the inferior and query ebx or ecx
462 m_fpr_type = eXSAVE; // extended floating-point registers, if available
463 if (false == ReadFPR())
464 m_fpr_type = eFXSAVE; // assume generic floating-point registers
470 RegisterContextPOSIX_x86::Invalidate()
475 RegisterContextPOSIX_x86::InvalidateAllRegisters()
480 RegisterContextPOSIX_x86::GetRegisterOffset(unsigned reg)
482 assert(reg < m_reg_info.num_registers && "Invalid register number.");
483 return GetRegisterInfo()[reg].byte_offset;
487 RegisterContextPOSIX_x86::GetRegisterSize(unsigned reg)
489 assert(reg < m_reg_info.num_registers && "Invalid register number.");
490 return GetRegisterInfo()[reg].byte_size;
494 RegisterContextPOSIX_x86::GetRegisterCount()
496 size_t num_registers = m_reg_info.num_gpr_registers + m_reg_info.num_fpr_registers;
497 if (GetFPRType() == eXSAVE)
498 return num_registers + m_reg_info.num_avx_registers;
499 return num_registers;
503 RegisterContextPOSIX_x86::GetGPRSize()
505 return m_register_info_ap->GetGPRSize ();
509 RegisterContextPOSIX_x86::GetRegisterInfo()
511 // Commonly, this method is overridden and g_register_infos is copied and specialized.
512 // So, use GetRegisterInfo() rather than g_register_infos in this scope.
513 return m_register_info_ap->GetRegisterInfo ();
517 RegisterContextPOSIX_x86::GetRegisterInfoAtIndex(size_t reg)
519 if (reg < m_reg_info.num_registers)
520 return &GetRegisterInfo()[reg];
526 RegisterContextPOSIX_x86::GetRegisterSetCount()
529 for (size_t set = 0; set < k_num_register_sets; ++set)
531 if (IsRegisterSetAvailable(set))
539 RegisterContextPOSIX_x86::GetRegisterSet(size_t set)
541 if (IsRegisterSetAvailable(set))
543 switch (m_register_info_ap->m_target_arch.GetMachine())
545 case llvm::Triple::x86:
546 return &g_reg_sets_i386[set];
547 case llvm::Triple::x86_64:
548 return &g_reg_sets_x86_64[set];
550 assert(false && "Unhandled target architecture.");
558 RegisterContextPOSIX_x86::GetRegisterName(unsigned reg)
560 assert(reg < m_reg_info.num_registers && "Invalid register offset.");
561 return GetRegisterInfo()[reg].name;
565 RegisterContextPOSIX_x86::GetByteOrder()
567 // Get the target process whose privileged thread was used for the register read.
568 lldb::ByteOrder byte_order = eByteOrderInvalid;
569 Process *process = CalculateProcess().get();
572 byte_order = process->GetByteOrder();
576 // Parse ymm registers and into xmm.bytes and ymmh.bytes.
577 bool RegisterContextPOSIX_x86::CopyYMMtoXSTATE(uint32_t reg, lldb::ByteOrder byte_order)
582 if (byte_order == eByteOrderLittle)
584 ::memcpy(m_fpr.xstate.fxsave.xmm[reg - m_reg_info.first_ymm].bytes,
585 m_ymm_set.ymm[reg - m_reg_info.first_ymm].bytes,
587 ::memcpy(m_fpr.xstate.xsave.ymmh[reg - m_reg_info.first_ymm].bytes,
588 m_ymm_set.ymm[reg - m_reg_info.first_ymm].bytes + sizeof(XMMReg),
593 if (byte_order == eByteOrderBig)
595 ::memcpy(m_fpr.xstate.fxsave.xmm[reg - m_reg_info.first_ymm].bytes,
596 m_ymm_set.ymm[reg - m_reg_info.first_ymm].bytes + sizeof(XMMReg),
598 ::memcpy(m_fpr.xstate.xsave.ymmh[reg - m_reg_info.first_ymm].bytes,
599 m_ymm_set.ymm[reg - m_reg_info.first_ymm].bytes,
603 return false; // unsupported or invalid byte order
606 // Concatenate xmm.bytes with ymmh.bytes
607 bool RegisterContextPOSIX_x86::CopyXSTATEtoYMM(uint32_t reg, lldb::ByteOrder byte_order)
612 if (byte_order == eByteOrderLittle)
614 ::memcpy(m_ymm_set.ymm[reg - m_reg_info.first_ymm].bytes,
615 m_fpr.xstate.fxsave.xmm[reg - m_reg_info.first_ymm].bytes,
617 ::memcpy(m_ymm_set.ymm[reg - m_reg_info.first_ymm].bytes + sizeof(XMMReg),
618 m_fpr.xstate.xsave.ymmh[reg - m_reg_info.first_ymm].bytes,
623 if (byte_order == eByteOrderBig)
625 ::memcpy(m_ymm_set.ymm[reg - m_reg_info.first_ymm].bytes + sizeof(XMMReg),
626 m_fpr.xstate.fxsave.xmm[reg - m_reg_info.first_ymm].bytes,
628 ::memcpy(m_ymm_set.ymm[reg - m_reg_info.first_ymm].bytes,
629 m_fpr.xstate.xsave.ymmh[reg - m_reg_info.first_ymm].bytes,
633 return false; // unsupported or invalid byte order
637 RegisterContextPOSIX_x86::IsRegisterSetAvailable(size_t set_index)
639 // Note: Extended register sets are assumed to be at the end of g_reg_sets...
640 size_t num_sets = k_num_register_sets - k_num_extended_register_sets;
642 if (GetFPRType() == eXSAVE) // ...and to start with AVX registers.
644 return (set_index < num_sets);
648 // Used when parsing DWARF and EH frame information and any other
649 // object file sections that contain register numbers in them.
651 RegisterContextPOSIX_x86::ConvertRegisterKindToRegisterNumber(lldb::RegisterKind kind,
654 const uint32_t num_regs = GetRegisterCount();
656 assert (kind < kNumRegisterKinds);
657 for (uint32_t reg_idx = 0; reg_idx < num_regs; ++reg_idx)
659 const RegisterInfo *reg_info = GetRegisterInfoAtIndex (reg_idx);
661 if (reg_info->kinds[kind] == num)
665 return LLDB_INVALID_REGNUM;