| //===-- RegisterInfos_i386.h ------------------------------------*- C++ -*-===// |
| // |
| // 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 "llvm/Support/Compiler.h" |
| #include <cstddef> |
| #include <cstdint> |
| |
| |
| #ifdef DECLARE_REGISTER_INFOS_I386_STRUCT |
| |
| // Computes the offset of the given GPR in the user data area. |
| #define GPR_OFFSET(regname) (LLVM_EXTENSION offsetof(GPR, regname)) |
| |
| // Computes the offset of the given FPR in the extended data area. |
| #define FPR_OFFSET(regname) \ |
| (LLVM_EXTENSION offsetof(UserArea, i387) + \ |
| LLVM_EXTENSION offsetof(FPR_i386, regname)) |
| |
| // Computes the offset of the YMM register assembled from register halves. |
| // Based on DNBArchImplI386.cpp from debugserver |
| #define YMM_OFFSET(reg_index) \ |
| (LLVM_EXTENSION offsetof(UserArea, i387) + \ |
| LLVM_EXTENSION offsetof(FPR, fxsave) + \ |
| LLVM_EXTENSION offsetof(FXSAVE, xmm[7]) + sizeof(XMMReg) + \ |
| (32 * reg_index)) |
| |
| #define BNDR_OFFSET(reg_index) \ |
| (LLVM_EXTENSION offsetof(UserArea, i387) + \ |
| LLVM_EXTENSION offsetof(FPR, xsave) + \ |
| LLVM_EXTENSION offsetof(XSAVE, mpxr[reg_index])) |
| |
| #define BNDC_OFFSET(reg_index) \ |
| (LLVM_EXTENSION offsetof(UserArea, i387) + \ |
| LLVM_EXTENSION offsetof(FPR, xsave) + \ |
| LLVM_EXTENSION offsetof(XSAVE, mpxc[reg_index])) |
| |
| // Number of bytes needed to represent a FPR. |
| #if !defined(FPR_SIZE) |
| #define FPR_SIZE(reg) sizeof(((FXSAVE *)nullptr)->reg) |
| #endif |
| |
| // Number of bytes needed to represent the i'th FP register. |
| #define FP_SIZE sizeof(((MMSReg *)nullptr)->bytes) |
| |
| // Number of bytes needed to represent an XMM register. |
| #define XMM_SIZE sizeof(XMMReg) |
| |
| // Number of bytes needed to represent a YMM register. |
| #define YMM_SIZE sizeof(YMMReg) |
| |
| // Number of bytes needed to represent MPX registers. |
| #define BNDR_SIZE sizeof(MPXReg) |
| #define BNDC_SIZE sizeof(MPXCsr) |
| |
| // Note that the size and offset will be updated by platform-specific classes. |
| #define DEFINE_GPR(reg, alt, kind1, kind2, kind3, kind4) \ |
| { \ |
| #reg, alt, sizeof(((GPR *)nullptr)->reg), \ |
| GPR_OFFSET(reg), eEncodingUint, eFormatHex, \ |
| {kind1, kind2, kind3, kind4, \ |
| lldb_##reg##_i386 }, \ |
| nullptr, nullptr, nullptr, 0 \ |
| } |
| |
| #define DEFINE_FPR(name, reg, kind1, kind2, kind3, kind4) \ |
| { \ |
| #name, nullptr, FPR_SIZE(reg), FPR_OFFSET(reg), eEncodingUint, eFormatHex, \ |
| {kind1, kind2, kind3, kind4, \ |
| lldb_##name##_i386 }, \ |
| nullptr, nullptr, nullptr, 0 \ |
| } |
| |
| // RegisterKind: EHFrame, DWARF, Generic, Process Plugin, LLDB |
| |
| #define DEFINE_FP_ST(reg, i) \ |
| { \ |
| #reg #i, nullptr, FP_SIZE, \ |
| LLVM_EXTENSION FPR_OFFSET( \ |
| stmm[i]), eEncodingVector, eFormatVectorOfUInt8, \ |
| {ehframe_st##i##_i386, dwarf_st##i##_i386, LLDB_INVALID_REGNUM, \ |
| LLDB_INVALID_REGNUM, lldb_st##i##_i386 }, \ |
| nullptr, nullptr, nullptr, 0 \ |
| } |
| |
| #define DEFINE_FP_MM(reg, i) \ |
| { \ |
| #reg #i, nullptr, sizeof(uint64_t), \ |
| LLVM_EXTENSION FPR_OFFSET( \ |
| stmm[i]), eEncodingUint, eFormatHex, \ |
| {ehframe_mm##i##_i386, dwarf_mm##i##_i386, \ |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, \ |
| lldb_mm##i##_i386 }, \ |
| nullptr, nullptr, nullptr, 0 \ |
| } |
| |
| #define DEFINE_XMM(reg, i) \ |
| { \ |
| #reg #i, nullptr, XMM_SIZE, \ |
| LLVM_EXTENSION FPR_OFFSET( \ |
| reg[i]), eEncodingVector, eFormatVectorOfUInt8, \ |
| {ehframe_##reg##i##_i386, dwarf_##reg##i##_i386, \ |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, lldb_##reg##i##_i386 }, \ |
| nullptr, nullptr, nullptr, 0 \ |
| } |
| |
| // I believe the YMM registers use dwarf_xmm_%_i386 register numbers and then |
| // differentiate based on register size. |
| #define DEFINE_YMM(reg, i) \ |
| { \ |
| #reg #i, nullptr, YMM_SIZE, \ |
| LLVM_EXTENSION YMM_OFFSET(i), eEncodingVector, eFormatVectorOfUInt8, \ |
| {LLDB_INVALID_REGNUM, dwarf_xmm##i##_i386, \ |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, \ |
| lldb_##reg##i##_i386 }, \ |
| nullptr, nullptr, nullptr, 0 \ |
| } |
| |
| #define DEFINE_BNDR(reg, i) \ |
| { \ |
| #reg #i, nullptr, BNDR_SIZE, \ |
| LLVM_EXTENSION BNDR_OFFSET(i), eEncodingVector, eFormatVectorOfUInt64, \ |
| {dwarf_##reg##i##_i386, dwarf_##reg##i##_i386, LLDB_INVALID_REGNUM, \ |
| LLDB_INVALID_REGNUM, lldb_##reg##i##_i386 }, \ |
| nullptr, nullptr, nullptr, 0 \ |
| } |
| |
| #define DEFINE_BNDC(name, i) \ |
| { \ |
| #name, nullptr, BNDC_SIZE, \ |
| LLVM_EXTENSION BNDC_OFFSET(i), eEncodingVector, \ |
| eFormatVectorOfUInt8, \ |
| {LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, \ |
| LLDB_INVALID_REGNUM, lldb_##name##_i386 }, \ |
| nullptr, nullptr, nullptr, 0 \ |
| } |
| |
| #define DEFINE_DR(reg, i) \ |
| { \ |
| #reg #i, nullptr, DR_SIZE, \ |
| DR_OFFSET(i), eEncodingUint, eFormatHex, \ |
| {LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, \ |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, \ |
| LLDB_INVALID_REGNUM }, \ |
| nullptr, nullptr, nullptr, 0 \ |
| } |
| |
| #define DEFINE_GPR_PSEUDO_16(reg16, reg32) \ |
| { \ |
| #reg16, nullptr, 2, \ |
| GPR_OFFSET(reg32), eEncodingUint, eFormatHex, \ |
| {LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, \ |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, \ |
| lldb_##reg16##_i386 }, \ |
| RegisterContextPOSIX_x86::g_contained_##reg32, \ |
| RegisterContextPOSIX_x86::g_invalidate_##reg32, nullptr, 0 \ |
| } |
| |
| #define DEFINE_GPR_PSEUDO_8H(reg8, reg32) \ |
| { \ |
| #reg8, nullptr, 1, \ |
| GPR_OFFSET(reg32) + 1, eEncodingUint, eFormatHex, \ |
| {LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, \ |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, \ |
| lldb_##reg8##_i386 }, \ |
| RegisterContextPOSIX_x86::g_contained_##reg32, \ |
| RegisterContextPOSIX_x86::g_invalidate_##reg32, nullptr, 0 \ |
| } |
| |
| #define DEFINE_GPR_PSEUDO_8L(reg8, reg32) \ |
| { \ |
| #reg8, nullptr, 1, \ |
| GPR_OFFSET(reg32), eEncodingUint, eFormatHex, \ |
| {LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, \ |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, \ |
| lldb_##reg8##_i386 }, \ |
| RegisterContextPOSIX_x86::g_contained_##reg32, \ |
| RegisterContextPOSIX_x86::g_invalidate_##reg32, nullptr, 0 \ |
| } |
| |
| static RegisterInfo g_register_infos_i386[] = { |
| // General purpose registers. |
| DEFINE_GPR(eax, nullptr, ehframe_eax_i386, dwarf_eax_i386, |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(ebx, nullptr, ehframe_ebx_i386, dwarf_ebx_i386, |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(ecx, nullptr, ehframe_ecx_i386, dwarf_ecx_i386, |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(edx, nullptr, ehframe_edx_i386, dwarf_edx_i386, |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(edi, nullptr, ehframe_edi_i386, dwarf_edi_i386, |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(esi, nullptr, ehframe_esi_i386, dwarf_esi_i386, |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(ebp, "fp", ehframe_ebp_i386, dwarf_ebp_i386, |
| LLDB_REGNUM_GENERIC_FP, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(esp, "sp", ehframe_esp_i386, dwarf_esp_i386, |
| LLDB_REGNUM_GENERIC_SP, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(eip, "pc", ehframe_eip_i386, dwarf_eip_i386, |
| LLDB_REGNUM_GENERIC_PC, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(eflags, "flags", ehframe_eflags_i386, dwarf_eflags_i386, |
| LLDB_REGNUM_GENERIC_FLAGS, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(cs, nullptr, LLDB_INVALID_REGNUM, dwarf_cs_i386, |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(fs, nullptr, LLDB_INVALID_REGNUM, dwarf_fs_i386, |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(gs, nullptr, LLDB_INVALID_REGNUM, dwarf_gs_i386, |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(ss, nullptr, LLDB_INVALID_REGNUM, dwarf_ss_i386, |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(ds, nullptr, LLDB_INVALID_REGNUM, dwarf_ds_i386, |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_GPR(es, nullptr, LLDB_INVALID_REGNUM, dwarf_es_i386, |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| |
| DEFINE_GPR_PSEUDO_16(ax, eax), DEFINE_GPR_PSEUDO_16(bx, ebx), |
| DEFINE_GPR_PSEUDO_16(cx, ecx), DEFINE_GPR_PSEUDO_16(dx, edx), |
| DEFINE_GPR_PSEUDO_16(di, edi), DEFINE_GPR_PSEUDO_16(si, esi), |
| DEFINE_GPR_PSEUDO_16(bp, ebp), DEFINE_GPR_PSEUDO_16(sp, esp), |
| DEFINE_GPR_PSEUDO_8H(ah, eax), DEFINE_GPR_PSEUDO_8H(bh, ebx), |
| DEFINE_GPR_PSEUDO_8H(ch, ecx), DEFINE_GPR_PSEUDO_8H(dh, edx), |
| DEFINE_GPR_PSEUDO_8L(al, eax), DEFINE_GPR_PSEUDO_8L(bl, ebx), |
| DEFINE_GPR_PSEUDO_8L(cl, ecx), DEFINE_GPR_PSEUDO_8L(dl, edx), |
| |
| // i387 Floating point registers. |
| DEFINE_FPR(fctrl, fctrl, LLDB_INVALID_REGNUM, dwarf_fctrl_i386, |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_FPR(fstat, fstat, LLDB_INVALID_REGNUM, dwarf_fstat_i386, |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_FPR(ftag, ftag, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_FPR(fop, fop, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_FPR(fiseg, ptr.i386_.fiseg, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_FPR(fioff, ptr.i386_.fioff, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_FPR(foseg, ptr.i386_.foseg, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_FPR(fooff, ptr.i386_.fooff, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_FPR(mxcsr, mxcsr, LLDB_INVALID_REGNUM, dwarf_mxcsr_i386, |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| DEFINE_FPR(mxcsrmask, mxcsrmask, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, |
| LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM), |
| |
| // FP registers. |
| DEFINE_FP_ST(st, 0), DEFINE_FP_ST(st, 1), DEFINE_FP_ST(st, 2), |
| DEFINE_FP_ST(st, 3), DEFINE_FP_ST(st, 4), DEFINE_FP_ST(st, 5), |
| DEFINE_FP_ST(st, 6), DEFINE_FP_ST(st, 7), DEFINE_FP_MM(mm, 0), |
| DEFINE_FP_MM(mm, 1), DEFINE_FP_MM(mm, 2), DEFINE_FP_MM(mm, 3), |
| DEFINE_FP_MM(mm, 4), DEFINE_FP_MM(mm, 5), DEFINE_FP_MM(mm, 6), |
| DEFINE_FP_MM(mm, 7), |
| |
| // XMM registers |
| DEFINE_XMM(xmm, 0), DEFINE_XMM(xmm, 1), DEFINE_XMM(xmm, 2), |
| DEFINE_XMM(xmm, 3), DEFINE_XMM(xmm, 4), DEFINE_XMM(xmm, 5), |
| DEFINE_XMM(xmm, 6), DEFINE_XMM(xmm, 7), |
| |
| // Copy of YMM registers assembled from xmm and ymmh |
| DEFINE_YMM(ymm, 0), DEFINE_YMM(ymm, 1), DEFINE_YMM(ymm, 2), |
| DEFINE_YMM(ymm, 3), DEFINE_YMM(ymm, 4), DEFINE_YMM(ymm, 5), |
| DEFINE_YMM(ymm, 6), DEFINE_YMM(ymm, 7), |
| |
| // MPX registers |
| DEFINE_BNDR(bnd, 0), |
| DEFINE_BNDR(bnd, 1), |
| DEFINE_BNDR(bnd, 2), |
| DEFINE_BNDR(bnd, 3), |
| |
| DEFINE_BNDC(bndcfgu, 0), |
| DEFINE_BNDC(bndstatus, 1), |
| |
| // Debug registers for lldb internal use |
| DEFINE_DR(dr, 0), DEFINE_DR(dr, 1), DEFINE_DR(dr, 2), DEFINE_DR(dr, 3), |
| DEFINE_DR(dr, 4), DEFINE_DR(dr, 5), DEFINE_DR(dr, 6), DEFINE_DR(dr, 7)}; |
| |
| static_assert((sizeof(g_register_infos_i386) / |
| sizeof(g_register_infos_i386[0])) == k_num_registers_i386, |
| "g_register_infos_x86_64 has wrong number of register infos"); |
| |
| #undef GPR_OFFSET |
| #undef FPR_OFFSET |
| #undef YMM_OFFSET |
| #undef FPR_SIZE |
| #undef FP_SIZE |
| #undef XMM_SIZE |
| #undef YMM_SIZE |
| #undef DEFINE_GPR |
| #undef DEFINE_FPR |
| #undef DEFINE_FP |
| #undef DEFINE_XMM |
| #undef DEFINE_YMM |
| #undef DEFINE_BNDR |
| #undef DEFINE_BNDC |
| #undef DEFINE_DR |
| #undef DEFINE_GPR_PSEUDO_16 |
| #undef DEFINE_GPR_PSEUDO_8H |
| #undef DEFINE_GPR_PSEUDO_8L |
| |
| #endif // DECLARE_REGISTER_INFOS_I386_STRUCT |
