| //===-- RegisterContextPOSIX_x86.cpp --------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include <cerrno> |
| #include <cstdint> |
| #include <cstring> |
| |
| #include "lldb/Target/Process.h" |
| #include "lldb/Target/Target.h" |
| #include "lldb/Target/Thread.h" |
| #include "lldb/Utility/DataBufferHeap.h" |
| #include "lldb/Utility/DataExtractor.h" |
| #include "lldb/Utility/Endian.h" |
| #include "lldb/Utility/RegisterValue.h" |
| #include "lldb/Utility/Scalar.h" |
| #include "llvm/Support/Compiler.h" |
| |
| #include "RegisterContextPOSIX_x86.h" |
| #include "RegisterContext_x86.h" |
| |
| using namespace lldb_private; |
| using namespace lldb; |
| |
| const uint32_t g_gpr_regnums_i386[] = { |
| lldb_eax_i386, lldb_ebx_i386, lldb_ecx_i386, lldb_edx_i386, |
| lldb_edi_i386, lldb_esi_i386, lldb_ebp_i386, lldb_esp_i386, |
| lldb_eip_i386, lldb_eflags_i386, lldb_cs_i386, lldb_fs_i386, |
| lldb_gs_i386, lldb_ss_i386, lldb_ds_i386, lldb_es_i386, |
| lldb_ax_i386, lldb_bx_i386, lldb_cx_i386, lldb_dx_i386, |
| lldb_di_i386, lldb_si_i386, lldb_bp_i386, lldb_sp_i386, |
| lldb_ah_i386, lldb_bh_i386, lldb_ch_i386, lldb_dh_i386, |
| lldb_al_i386, lldb_bl_i386, lldb_cl_i386, lldb_dl_i386, |
| LLDB_INVALID_REGNUM, // Register sets must be terminated with |
| // LLDB_INVALID_REGNUM. |
| }; |
| static_assert((sizeof(g_gpr_regnums_i386) / sizeof(g_gpr_regnums_i386[0])) - |
| 1 == |
| k_num_gpr_registers_i386, |
| "g_gpr_regnums_i386 has wrong number of register infos"); |
| |
| const uint32_t g_lldb_regnums_i386[] = { |
| lldb_fctrl_i386, lldb_fstat_i386, lldb_ftag_i386, lldb_fop_i386, |
| lldb_fiseg_i386, lldb_fioff_i386, lldb_foseg_i386, lldb_fooff_i386, |
| lldb_mxcsr_i386, lldb_mxcsrmask_i386, lldb_st0_i386, lldb_st1_i386, |
| lldb_st2_i386, lldb_st3_i386, lldb_st4_i386, lldb_st5_i386, |
| lldb_st6_i386, lldb_st7_i386, lldb_mm0_i386, lldb_mm1_i386, |
| lldb_mm2_i386, lldb_mm3_i386, lldb_mm4_i386, lldb_mm5_i386, |
| lldb_mm6_i386, lldb_mm7_i386, lldb_xmm0_i386, lldb_xmm1_i386, |
| lldb_xmm2_i386, lldb_xmm3_i386, lldb_xmm4_i386, lldb_xmm5_i386, |
| lldb_xmm6_i386, lldb_xmm7_i386, |
| LLDB_INVALID_REGNUM // Register sets must be terminated with |
| // LLDB_INVALID_REGNUM. |
| }; |
| static_assert((sizeof(g_lldb_regnums_i386) / sizeof(g_lldb_regnums_i386[0])) - |
| 1 == |
| k_num_fpr_registers_i386, |
| "g_lldb_regnums_i386 has wrong number of register infos"); |
| |
| const uint32_t g_avx_regnums_i386[] = { |
| lldb_ymm0_i386, lldb_ymm1_i386, lldb_ymm2_i386, lldb_ymm3_i386, |
| lldb_ymm4_i386, lldb_ymm5_i386, lldb_ymm6_i386, lldb_ymm7_i386, |
| LLDB_INVALID_REGNUM // Register sets must be terminated with |
| // LLDB_INVALID_REGNUM. |
| }; |
| static_assert((sizeof(g_avx_regnums_i386) / sizeof(g_avx_regnums_i386[0])) - |
| 1 == |
| k_num_avx_registers_i386, |
| " g_avx_regnums_i386 has wrong number of register infos"); |
| |
| static const uint32_t g_gpr_regnums_x86_64[] = { |
| lldb_rax_x86_64, lldb_rbx_x86_64, lldb_rcx_x86_64, lldb_rdx_x86_64, |
| lldb_rdi_x86_64, lldb_rsi_x86_64, lldb_rbp_x86_64, lldb_rsp_x86_64, |
| lldb_r8_x86_64, lldb_r9_x86_64, lldb_r10_x86_64, lldb_r11_x86_64, |
| lldb_r12_x86_64, lldb_r13_x86_64, lldb_r14_x86_64, lldb_r15_x86_64, |
| lldb_rip_x86_64, lldb_rflags_x86_64, lldb_cs_x86_64, lldb_fs_x86_64, |
| lldb_gs_x86_64, lldb_ss_x86_64, lldb_ds_x86_64, lldb_es_x86_64, |
| lldb_eax_x86_64, lldb_ebx_x86_64, lldb_ecx_x86_64, lldb_edx_x86_64, |
| lldb_edi_x86_64, lldb_esi_x86_64, lldb_ebp_x86_64, lldb_esp_x86_64, |
| lldb_r8d_x86_64, // Low 32 bits or r8 |
| lldb_r9d_x86_64, // Low 32 bits or r9 |
| lldb_r10d_x86_64, // Low 32 bits or r10 |
| lldb_r11d_x86_64, // Low 32 bits or r11 |
| lldb_r12d_x86_64, // Low 32 bits or r12 |
| lldb_r13d_x86_64, // Low 32 bits or r13 |
| lldb_r14d_x86_64, // Low 32 bits or r14 |
| lldb_r15d_x86_64, // Low 32 bits or r15 |
| lldb_ax_x86_64, lldb_bx_x86_64, lldb_cx_x86_64, lldb_dx_x86_64, |
| lldb_di_x86_64, lldb_si_x86_64, lldb_bp_x86_64, lldb_sp_x86_64, |
| lldb_r8w_x86_64, // Low 16 bits or r8 |
| lldb_r9w_x86_64, // Low 16 bits or r9 |
| lldb_r10w_x86_64, // Low 16 bits or r10 |
| lldb_r11w_x86_64, // Low 16 bits or r11 |
| lldb_r12w_x86_64, // Low 16 bits or r12 |
| lldb_r13w_x86_64, // Low 16 bits or r13 |
| lldb_r14w_x86_64, // Low 16 bits or r14 |
| lldb_r15w_x86_64, // Low 16 bits or r15 |
| lldb_ah_x86_64, lldb_bh_x86_64, lldb_ch_x86_64, lldb_dh_x86_64, |
| lldb_al_x86_64, lldb_bl_x86_64, lldb_cl_x86_64, lldb_dl_x86_64, |
| lldb_dil_x86_64, lldb_sil_x86_64, lldb_bpl_x86_64, lldb_spl_x86_64, |
| lldb_r8l_x86_64, // Low 8 bits or r8 |
| lldb_r9l_x86_64, // Low 8 bits or r9 |
| lldb_r10l_x86_64, // Low 8 bits or r10 |
| lldb_r11l_x86_64, // Low 8 bits or r11 |
| lldb_r12l_x86_64, // Low 8 bits or r12 |
| lldb_r13l_x86_64, // Low 8 bits or r13 |
| lldb_r14l_x86_64, // Low 8 bits or r14 |
| lldb_r15l_x86_64, // Low 8 bits or r15 |
| LLDB_INVALID_REGNUM // Register sets must be terminated with |
| // LLDB_INVALID_REGNUM. |
| }; |
| static_assert((sizeof(g_gpr_regnums_x86_64) / sizeof(g_gpr_regnums_x86_64[0])) - |
| 1 == |
| k_num_gpr_registers_x86_64, |
| "g_gpr_regnums_x86_64 has wrong number of register infos"); |
| |
| static const uint32_t g_lldb_regnums_x86_64[] = { |
| lldb_fctrl_x86_64, lldb_fstat_x86_64, lldb_ftag_x86_64, |
| lldb_fop_x86_64, lldb_fiseg_x86_64, lldb_fioff_x86_64, |
| lldb_fip_x86_64, lldb_foseg_x86_64, lldb_fooff_x86_64, |
| lldb_fdp_x86_64, lldb_mxcsr_x86_64, lldb_mxcsrmask_x86_64, |
| lldb_st0_x86_64, lldb_st1_x86_64, lldb_st2_x86_64, |
| lldb_st3_x86_64, lldb_st4_x86_64, lldb_st5_x86_64, |
| lldb_st6_x86_64, lldb_st7_x86_64, lldb_mm0_x86_64, |
| lldb_mm1_x86_64, lldb_mm2_x86_64, lldb_mm3_x86_64, |
| lldb_mm4_x86_64, lldb_mm5_x86_64, lldb_mm6_x86_64, |
| lldb_mm7_x86_64, lldb_xmm0_x86_64, lldb_xmm1_x86_64, |
| lldb_xmm2_x86_64, lldb_xmm3_x86_64, lldb_xmm4_x86_64, |
| lldb_xmm5_x86_64, lldb_xmm6_x86_64, lldb_xmm7_x86_64, |
| lldb_xmm8_x86_64, lldb_xmm9_x86_64, lldb_xmm10_x86_64, |
| lldb_xmm11_x86_64, lldb_xmm12_x86_64, lldb_xmm13_x86_64, |
| lldb_xmm14_x86_64, lldb_xmm15_x86_64, |
| LLDB_INVALID_REGNUM // Register sets must be terminated with |
| // LLDB_INVALID_REGNUM. |
| }; |
| static_assert((sizeof(g_lldb_regnums_x86_64) / |
| sizeof(g_lldb_regnums_x86_64[0])) - |
| 1 == |
| k_num_fpr_registers_x86_64, |
| "g_lldb_regnums_x86_64 has wrong number of register infos"); |
| |
| static const uint32_t g_avx_regnums_x86_64[] = { |
| lldb_ymm0_x86_64, lldb_ymm1_x86_64, lldb_ymm2_x86_64, lldb_ymm3_x86_64, |
| lldb_ymm4_x86_64, lldb_ymm5_x86_64, lldb_ymm6_x86_64, lldb_ymm7_x86_64, |
| lldb_ymm8_x86_64, lldb_ymm9_x86_64, lldb_ymm10_x86_64, lldb_ymm11_x86_64, |
| lldb_ymm12_x86_64, lldb_ymm13_x86_64, lldb_ymm14_x86_64, lldb_ymm15_x86_64, |
| LLDB_INVALID_REGNUM // Register sets must be terminated with |
| // LLDB_INVALID_REGNUM. |
| }; |
| static_assert((sizeof(g_avx_regnums_x86_64) / sizeof(g_avx_regnums_x86_64[0])) - |
| 1 == |
| k_num_avx_registers_x86_64, |
| "g_avx_regnums_x86_64 has wrong number of register infos"); |
| |
| uint32_t RegisterContextPOSIX_x86::g_contained_eax[] = {lldb_eax_i386, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_ebx[] = {lldb_ebx_i386, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_ecx[] = {lldb_ecx_i386, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_edx[] = {lldb_edx_i386, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_edi[] = {lldb_edi_i386, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_esi[] = {lldb_esi_i386, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_ebp[] = {lldb_ebp_i386, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_esp[] = {lldb_esp_i386, |
| LLDB_INVALID_REGNUM}; |
| |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_eax[] = { |
| lldb_eax_i386, lldb_ax_i386, lldb_ah_i386, lldb_al_i386, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_ebx[] = { |
| lldb_ebx_i386, lldb_bx_i386, lldb_bh_i386, lldb_bl_i386, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_ecx[] = { |
| lldb_ecx_i386, lldb_cx_i386, lldb_ch_i386, lldb_cl_i386, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_edx[] = { |
| lldb_edx_i386, lldb_dx_i386, lldb_dh_i386, lldb_dl_i386, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_edi[] = { |
| lldb_edi_i386, lldb_di_i386, LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_esi[] = { |
| lldb_esi_i386, lldb_si_i386, LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_ebp[] = { |
| lldb_ebp_i386, lldb_bp_i386, LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_esp[] = { |
| lldb_esp_i386, lldb_sp_i386, LLDB_INVALID_REGNUM}; |
| |
| uint32_t RegisterContextPOSIX_x86::g_contained_rax[] = {lldb_rax_x86_64, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_rbx[] = {lldb_rbx_x86_64, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_rcx[] = {lldb_rcx_x86_64, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_rdx[] = {lldb_rdx_x86_64, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_rdi[] = {lldb_rdi_x86_64, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_rsi[] = {lldb_rsi_x86_64, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_rbp[] = {lldb_rbp_x86_64, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_rsp[] = {lldb_rsp_x86_64, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_r8[] = {lldb_r8_x86_64, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_r9[] = {lldb_r9_x86_64, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_r10[] = {lldb_r10_x86_64, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_r11[] = {lldb_r11_x86_64, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_r12[] = {lldb_r12_x86_64, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_r13[] = {lldb_r13_x86_64, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_r14[] = {lldb_r14_x86_64, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_r15[] = {lldb_r15_x86_64, |
| LLDB_INVALID_REGNUM}; |
| |
| 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}; |
| 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}; |
| 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}; |
| 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}; |
| 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}; |
| 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}; |
| 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}; |
| 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}; |
| 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}; |
| 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}; |
| 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}; |
| 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}; |
| 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}; |
| 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}; |
| 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}; |
| 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}; |
| |
| uint32_t RegisterContextPOSIX_x86::g_contained_fip[] = {lldb_fip_x86_64, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_fdp[] = {lldb_fdp_x86_64, |
| LLDB_INVALID_REGNUM}; |
| |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_fip[] = { |
| lldb_fip_x86_64, lldb_fioff_x86_64, lldb_fiseg_x86_64, LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_fdp[] = { |
| lldb_fdp_x86_64, lldb_fooff_x86_64, lldb_foseg_x86_64, LLDB_INVALID_REGNUM}; |
| |
| uint32_t RegisterContextPOSIX_x86::g_contained_st0_32[] = {lldb_st0_i386, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_st1_32[] = {lldb_st1_i386, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_st2_32[] = {lldb_st2_i386, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_st3_32[] = {lldb_st3_i386, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_st4_32[] = {lldb_st4_i386, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_st5_32[] = {lldb_st5_i386, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_st6_32[] = {lldb_st6_i386, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_st7_32[] = {lldb_st7_i386, |
| LLDB_INVALID_REGNUM}; |
| |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_st0_32[] = { |
| lldb_st0_i386, lldb_mm0_i386, LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_st1_32[] = { |
| lldb_st1_i386, lldb_mm1_i386, LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_st2_32[] = { |
| lldb_st2_i386, lldb_mm2_i386, LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_st3_32[] = { |
| lldb_st3_i386, lldb_mm3_i386, LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_st4_32[] = { |
| lldb_st4_i386, lldb_mm4_i386, LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_st5_32[] = { |
| lldb_st5_i386, lldb_mm5_i386, LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_st6_32[] = { |
| lldb_st6_i386, lldb_mm6_i386, LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_st7_32[] = { |
| lldb_st7_i386, lldb_mm7_i386, LLDB_INVALID_REGNUM}; |
| |
| uint32_t RegisterContextPOSIX_x86::g_contained_st0_64[] = {lldb_st0_x86_64, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_st1_64[] = {lldb_st1_x86_64, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_st2_64[] = {lldb_st2_x86_64, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_st3_64[] = {lldb_st3_x86_64, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_st4_64[] = {lldb_st4_x86_64, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_st5_64[] = {lldb_st5_x86_64, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_st6_64[] = {lldb_st6_x86_64, |
| LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_contained_st7_64[] = {lldb_st7_x86_64, |
| LLDB_INVALID_REGNUM}; |
| |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_st0_64[] = { |
| lldb_st0_x86_64, lldb_mm0_x86_64, LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_st1_64[] = { |
| lldb_st1_x86_64, lldb_mm1_x86_64, LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_st2_64[] = { |
| lldb_st2_x86_64, lldb_mm2_x86_64, LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_st3_64[] = { |
| lldb_st3_x86_64, lldb_mm3_x86_64, LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_st4_64[] = { |
| lldb_st4_x86_64, lldb_mm4_x86_64, LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_st5_64[] = { |
| lldb_st5_x86_64, lldb_mm5_x86_64, LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_st6_64[] = { |
| lldb_st6_x86_64, lldb_mm6_x86_64, LLDB_INVALID_REGNUM}; |
| uint32_t RegisterContextPOSIX_x86::g_invalidate_st7_64[] = { |
| lldb_st7_x86_64, lldb_mm7_x86_64, LLDB_INVALID_REGNUM}; |
| |
| // Number of register sets provided by this context. |
| enum { k_num_extended_register_sets = 1, k_num_register_sets = 3 }; |
| |
| static const RegisterSet g_reg_sets_i386[k_num_register_sets] = { |
| {"General Purpose Registers", "gpr", k_num_gpr_registers_i386, |
| g_gpr_regnums_i386}, |
| {"Floating Point Registers", "fpu", k_num_fpr_registers_i386, |
| g_lldb_regnums_i386}, |
| {"Advanced Vector Extensions", "avx", k_num_avx_registers_i386, |
| g_avx_regnums_i386}}; |
| |
| static const RegisterSet g_reg_sets_x86_64[k_num_register_sets] = { |
| {"General Purpose Registers", "gpr", k_num_gpr_registers_x86_64, |
| g_gpr_regnums_x86_64}, |
| {"Floating Point Registers", "fpu", k_num_fpr_registers_x86_64, |
| g_lldb_regnums_x86_64}, |
| {"Advanced Vector Extensions", "avx", k_num_avx_registers_x86_64, |
| g_avx_regnums_x86_64}}; |
| |
| bool RegisterContextPOSIX_x86::IsGPR(unsigned reg) { |
| return reg <= m_reg_info.last_gpr; // GPR's come first. |
| } |
| |
| bool RegisterContextPOSIX_x86::IsFPR(unsigned reg) { |
| return (m_reg_info.first_fpr <= reg && reg <= m_reg_info.last_fpr); |
| } |
| |
| bool RegisterContextPOSIX_x86::IsAVX(unsigned reg) { |
| return (m_reg_info.first_ymm <= reg && reg <= m_reg_info.last_ymm); |
| } |
| |
| bool RegisterContextPOSIX_x86::IsFPR(unsigned reg, FPRType fpr_type) { |
| bool generic_fpr = IsFPR(reg); |
| |
| if (fpr_type == eXSAVE) |
| return generic_fpr || IsAVX(reg); |
| return generic_fpr; |
| } |
| |
| RegisterContextPOSIX_x86::RegisterContextPOSIX_x86( |
| Thread &thread, uint32_t concrete_frame_idx, |
| RegisterInfoInterface *register_info) |
| : RegisterContext(thread, concrete_frame_idx) { |
| m_register_info_up.reset(register_info); |
| |
| switch (register_info->m_target_arch.GetMachine()) { |
| case llvm::Triple::x86: |
| m_reg_info.num_registers = k_num_registers_i386; |
| m_reg_info.num_gpr_registers = k_num_gpr_registers_i386; |
| m_reg_info.num_fpr_registers = k_num_fpr_registers_i386; |
| m_reg_info.num_avx_registers = k_num_avx_registers_i386; |
| m_reg_info.last_gpr = k_last_gpr_i386; |
| m_reg_info.first_fpr = k_first_fpr_i386; |
| m_reg_info.last_fpr = k_last_fpr_i386; |
| m_reg_info.first_st = lldb_st0_i386; |
| m_reg_info.last_st = lldb_st7_i386; |
| m_reg_info.first_mm = lldb_mm0_i386; |
| m_reg_info.last_mm = lldb_mm7_i386; |
| m_reg_info.first_xmm = lldb_xmm0_i386; |
| m_reg_info.last_xmm = lldb_xmm7_i386; |
| m_reg_info.first_ymm = lldb_ymm0_i386; |
| m_reg_info.last_ymm = lldb_ymm7_i386; |
| m_reg_info.first_dr = lldb_dr0_i386; |
| m_reg_info.gpr_flags = lldb_eflags_i386; |
| break; |
| case llvm::Triple::x86_64: |
| m_reg_info.num_registers = k_num_registers_x86_64; |
| m_reg_info.num_gpr_registers = k_num_gpr_registers_x86_64; |
| m_reg_info.num_fpr_registers = k_num_fpr_registers_x86_64; |
| m_reg_info.num_avx_registers = k_num_avx_registers_x86_64; |
| m_reg_info.last_gpr = k_last_gpr_x86_64; |
| m_reg_info.first_fpr = k_first_fpr_x86_64; |
| m_reg_info.last_fpr = k_last_fpr_x86_64; |
| m_reg_info.first_st = lldb_st0_x86_64; |
| m_reg_info.last_st = lldb_st7_x86_64; |
| m_reg_info.first_mm = lldb_mm0_x86_64; |
| m_reg_info.last_mm = lldb_mm7_x86_64; |
| m_reg_info.first_xmm = lldb_xmm0_x86_64; |
| m_reg_info.last_xmm = lldb_xmm15_x86_64; |
| m_reg_info.first_ymm = lldb_ymm0_x86_64; |
| m_reg_info.last_ymm = lldb_ymm15_x86_64; |
| m_reg_info.first_dr = lldb_dr0_x86_64; |
| m_reg_info.gpr_flags = lldb_rflags_x86_64; |
| break; |
| default: |
| assert(false && "Unhandled target architecture."); |
| break; |
| } |
| |
| ::memset(&m_fpr, 0, sizeof(FPR)); |
| |
| m_fpr_type = eNotValid; |
| } |
| |
| RegisterContextPOSIX_x86::~RegisterContextPOSIX_x86() = default; |
| |
| RegisterContextPOSIX_x86::FPRType RegisterContextPOSIX_x86::GetFPRType() { |
| if (m_fpr_type == eNotValid) { |
| // TODO: Use assembly to call cpuid on the inferior and query ebx or ecx |
| m_fpr_type = eXSAVE; // extended floating-point registers, if available |
| if (!ReadFPR()) |
| m_fpr_type = eFXSAVE; // assume generic floating-point registers |
| } |
| return m_fpr_type; |
| } |
| |
| void RegisterContextPOSIX_x86::Invalidate() {} |
| |
| void RegisterContextPOSIX_x86::InvalidateAllRegisters() {} |
| |
| unsigned RegisterContextPOSIX_x86::GetRegisterOffset(unsigned reg) { |
| assert(reg < m_reg_info.num_registers && "Invalid register number."); |
| return GetRegisterInfo()[reg].byte_offset; |
| } |
| |
| unsigned RegisterContextPOSIX_x86::GetRegisterSize(unsigned reg) { |
| assert(reg < m_reg_info.num_registers && "Invalid register number."); |
| return GetRegisterInfo()[reg].byte_size; |
| } |
| |
| size_t RegisterContextPOSIX_x86::GetRegisterCount() { |
| size_t num_registers = |
| m_reg_info.num_gpr_registers + m_reg_info.num_fpr_registers; |
| if (GetFPRType() == eXSAVE) |
| return num_registers + m_reg_info.num_avx_registers; |
| return num_registers; |
| } |
| |
| size_t RegisterContextPOSIX_x86::GetGPRSize() { |
| return m_register_info_up->GetGPRSize(); |
| } |
| |
| size_t RegisterContextPOSIX_x86::GetFXSAVEOffset() { |
| return GetRegisterInfo()[m_reg_info.first_fpr].byte_offset; |
| } |
| |
| const RegisterInfo *RegisterContextPOSIX_x86::GetRegisterInfo() { |
| // Commonly, this method is overridden and g_register_infos is copied and |
| // specialized. So, use GetRegisterInfo() rather than g_register_infos in |
| // this scope. |
| return m_register_info_up->GetRegisterInfo(); |
| } |
| |
| const RegisterInfo * |
| RegisterContextPOSIX_x86::GetRegisterInfoAtIndex(size_t reg) { |
| if (reg < m_reg_info.num_registers) |
| return &GetRegisterInfo()[reg]; |
| else |
| return nullptr; |
| } |
| |
| size_t RegisterContextPOSIX_x86::GetRegisterSetCount() { |
| size_t sets = 0; |
| for (size_t set = 0; set < k_num_register_sets; ++set) { |
| if (IsRegisterSetAvailable(set)) |
| ++sets; |
| } |
| |
| return sets; |
| } |
| |
| const RegisterSet *RegisterContextPOSIX_x86::GetRegisterSet(size_t set) { |
| if (IsRegisterSetAvailable(set)) { |
| switch (m_register_info_up->m_target_arch.GetMachine()) { |
| case llvm::Triple::x86: |
| return &g_reg_sets_i386[set]; |
| case llvm::Triple::x86_64: |
| return &g_reg_sets_x86_64[set]; |
| default: |
| assert(false && "Unhandled target architecture."); |
| return nullptr; |
| } |
| } |
| return nullptr; |
| } |
| |
| const char *RegisterContextPOSIX_x86::GetRegisterName(unsigned reg) { |
| assert(reg < m_reg_info.num_registers && "Invalid register offset."); |
| return GetRegisterInfo()[reg].name; |
| } |
| |
| // Parse ymm registers and into xmm.bytes and ymmh.bytes. |
| bool RegisterContextPOSIX_x86::CopyYMMtoXSTATE(uint32_t reg, |
| lldb::ByteOrder byte_order) { |
| if (!IsAVX(reg)) |
| return false; |
| |
| if (byte_order == eByteOrderLittle) { |
| uint32_t reg_no = reg - m_reg_info.first_ymm; |
| YMMToXState(m_ymm_set.ymm[reg_no], |
| m_fpr.fxsave.xmm[reg_no].bytes, |
| m_fpr.xsave.ymmh[reg_no].bytes); |
| return true; |
| } |
| |
| return false; // unsupported or invalid byte order |
| } |
| |
| // Concatenate xmm.bytes with ymmh.bytes |
| bool RegisterContextPOSIX_x86::CopyXSTATEtoYMM(uint32_t reg, |
| lldb::ByteOrder byte_order) { |
| if (!IsAVX(reg)) |
| return false; |
| |
| if (byte_order == eByteOrderLittle) { |
| uint32_t reg_no = reg - m_reg_info.first_ymm; |
| m_ymm_set.ymm[reg_no] = XStateToYMM( |
| m_fpr.fxsave.xmm[reg_no].bytes, |
| m_fpr.xsave.ymmh[reg_no].bytes); |
| return true; |
| } |
| |
| return false; // unsupported or invalid byte order |
| } |
| |
| bool RegisterContextPOSIX_x86::IsRegisterSetAvailable(size_t set_index) { |
| // Note: Extended register sets are assumed to be at the end of g_reg_sets... |
| size_t num_sets = k_num_register_sets - k_num_extended_register_sets; |
| |
| if (GetFPRType() == eXSAVE) // ...and to start with AVX registers. |
| ++num_sets; |
| return (set_index < num_sets); |
| } |
