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llvm/llvm-project/6b26457a0ef2994de54606eb5c356cb897cadda2/./lldb/source/Plugins/Process/Utility/RegisterContextPOSIX_x86.cpp
blob: c14eb135c7b105bb592f2dd9862d7c258d1eb8f8 [file]
//===-- 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 <= GetRegInfo().last_gpr; // GPR's come first.
}
bool RegisterContextPOSIX_x86::IsFPR(unsigned reg) {
return (GetRegInfo().first_fpr <= reg && reg <= GetRegInfo().last_fpr);
}
bool RegisterContextPOSIX_x86::IsAVX(unsigned reg) {
return (GetRegInfo().first_ymm <= reg && reg <= GetRegInfo().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);
::memset(&m_fpr, 0, sizeof(FPR));
::memset(&m_ymm_set, 0, sizeof(YMM));
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 < GetRegInfo().num_registers && "Invalid register number.");
return GetRegisterInfo()[reg].byte_offset;
}
RegInfo &RegisterContextPOSIX_x86::GetRegInfo() {
return GetRegInfoShared(
m_register_info_up->GetTargetArchitecture().GetMachine(),
/*with_base=*/false);
}
unsigned RegisterContextPOSIX_x86::GetRegisterSize(unsigned reg) {
assert(reg < GetRegInfo().num_registers && "Invalid register number.");
return GetRegisterInfo()[reg].byte_size;
}
size_t RegisterContextPOSIX_x86::GetRegisterCount() {
size_t num_registers =
GetRegInfo().num_gpr_registers + GetRegInfo().num_fpr_registers;
if (GetFPRType() == eXSAVE)
return num_registers + GetRegInfo().num_avx_registers;
return num_registers;
}
size_t RegisterContextPOSIX_x86::GetGPRSize() {
return m_register_info_up->GetGPRSize();
}
size_t RegisterContextPOSIX_x86::GetFXSAVEOffset() {
return GetRegisterInfo()[GetRegInfo().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 < GetRegInfo().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->GetTargetArchitecture().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 < GetRegInfo().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 - GetRegInfo().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 - GetRegInfo().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);
}