diff options
Diffstat (limited to 'source/Plugins/SymbolFile/NativePDB/DWARFLocationExpression.cpp')
| -rw-r--r-- | source/Plugins/SymbolFile/NativePDB/DWARFLocationExpression.cpp | 673 |
1 files changed, 673 insertions, 0 deletions
diff --git a/source/Plugins/SymbolFile/NativePDB/DWARFLocationExpression.cpp b/source/Plugins/SymbolFile/NativePDB/DWARFLocationExpression.cpp new file mode 100644 index 000000000000..7b62530e4680 --- /dev/null +++ b/source/Plugins/SymbolFile/NativePDB/DWARFLocationExpression.cpp @@ -0,0 +1,673 @@ +//===-- DWARFLocationExpression.cpp -----------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "DWARFLocationExpression.h" + +#include "Plugins/Process/Utility/lldb-x86-register-enums.h" +#include "lldb/Core/Module.h" +#include "lldb/Core/Section.h" +#include "lldb/Core/StreamBuffer.h" +#include "lldb/Expression/DWARFExpression.h" +#include "lldb/Utility/ArchSpec.h" +#include "lldb/Utility/DataBufferHeap.h" + +#include "llvm/BinaryFormat/Dwarf.h" +#include "llvm/DebugInfo/CodeView/TypeDeserializer.h" +#include "llvm/DebugInfo/CodeView/TypeIndex.h" +#include "llvm/DebugInfo/PDB/Native/TpiStream.h" +#include "llvm/Support/Endian.h" + +#include "PdbUtil.h" + +using namespace lldb; +using namespace lldb_private; +using namespace lldb_private::npdb; +using namespace llvm::codeview; +using namespace llvm::pdb; + +static const uint32_t g_code_view_to_lldb_registers_x86[] = { + LLDB_INVALID_REGNUM, // NONE + lldb_al_i386, // AL + lldb_cl_i386, // CL + lldb_dl_i386, // DL + lldb_bl_i386, // BL + lldb_ah_i386, // AH + lldb_ch_i386, // CH + lldb_dh_i386, // DH + lldb_bh_i386, // BH + lldb_ax_i386, // AX + lldb_cx_i386, // CX + lldb_dx_i386, // DX + lldb_bx_i386, // BX + lldb_sp_i386, // SP + lldb_bp_i386, // BP + lldb_si_i386, // SI + lldb_di_i386, // DI + lldb_eax_i386, // EAX + lldb_ecx_i386, // ECX + lldb_edx_i386, // EDX + lldb_ebx_i386, // EBX + lldb_esp_i386, // ESP + lldb_ebp_i386, // EBP + lldb_esi_i386, // ESI + lldb_edi_i386, // EDI + lldb_es_i386, // ES + lldb_cs_i386, // CS + lldb_ss_i386, // SS + lldb_ds_i386, // DS + lldb_fs_i386, // FS + lldb_gs_i386, // GS + LLDB_INVALID_REGNUM, // IP + LLDB_INVALID_REGNUM, // FLAGS + lldb_eip_i386, // EIP + lldb_eflags_i386, // EFLAGS + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, // TEMP + LLDB_INVALID_REGNUM, // TEMPH + LLDB_INVALID_REGNUM, // QUOTE + LLDB_INVALID_REGNUM, // PCDR3 + LLDB_INVALID_REGNUM, // PCDR4 + LLDB_INVALID_REGNUM, // PCDR5 + LLDB_INVALID_REGNUM, // PCDR6 + LLDB_INVALID_REGNUM, // PCDR7 + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, // CR0 + LLDB_INVALID_REGNUM, // CR1 + LLDB_INVALID_REGNUM, // CR2 + LLDB_INVALID_REGNUM, // CR3 + LLDB_INVALID_REGNUM, // CR4 + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + lldb_dr0_i386, // DR0 + lldb_dr1_i386, // DR1 + lldb_dr2_i386, // DR2 + lldb_dr3_i386, // DR3 + lldb_dr4_i386, // DR4 + lldb_dr5_i386, // DR5 + lldb_dr6_i386, // DR6 + lldb_dr7_i386, // DR7 + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, // GDTR + LLDB_INVALID_REGNUM, // GDTL + LLDB_INVALID_REGNUM, // IDTR + LLDB_INVALID_REGNUM, // IDTL + LLDB_INVALID_REGNUM, // LDTR + LLDB_INVALID_REGNUM, // TR + LLDB_INVALID_REGNUM, // PSEUDO1 + LLDB_INVALID_REGNUM, // PSEUDO2 + LLDB_INVALID_REGNUM, // PSEUDO3 + LLDB_INVALID_REGNUM, // PSEUDO4 + LLDB_INVALID_REGNUM, // PSEUDO5 + LLDB_INVALID_REGNUM, // PSEUDO6 + LLDB_INVALID_REGNUM, // PSEUDO7 + LLDB_INVALID_REGNUM, // PSEUDO8 + LLDB_INVALID_REGNUM, // PSEUDO9 + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + lldb_st0_i386, // ST0 + lldb_st1_i386, // ST1 + lldb_st2_i386, // ST2 + lldb_st3_i386, // ST3 + lldb_st4_i386, // ST4 + lldb_st5_i386, // ST5 + lldb_st6_i386, // ST6 + lldb_st7_i386, // ST7 + LLDB_INVALID_REGNUM, // CTRL + LLDB_INVALID_REGNUM, // STAT + LLDB_INVALID_REGNUM, // TAG + LLDB_INVALID_REGNUM, // FPIP + LLDB_INVALID_REGNUM, // FPCS + LLDB_INVALID_REGNUM, // FPDO + LLDB_INVALID_REGNUM, // FPDS + LLDB_INVALID_REGNUM, // ISEM + LLDB_INVALID_REGNUM, // FPEIP + LLDB_INVALID_REGNUM, // FPEDO + lldb_mm0_i386, // MM0 + lldb_mm1_i386, // MM1 + lldb_mm2_i386, // MM2 + lldb_mm3_i386, // MM3 + lldb_mm4_i386, // MM4 + lldb_mm5_i386, // MM5 + lldb_mm6_i386, // MM6 + lldb_mm7_i386, // MM7 + lldb_xmm0_i386, // XMM0 + lldb_xmm1_i386, // XMM1 + lldb_xmm2_i386, // XMM2 + lldb_xmm3_i386, // XMM3 + lldb_xmm4_i386, // XMM4 + lldb_xmm5_i386, // XMM5 + lldb_xmm6_i386, // XMM6 + lldb_xmm7_i386 // XMM7 +}; + +static const uint32_t g_code_view_to_lldb_registers_x86_64[] = { + LLDB_INVALID_REGNUM, // NONE + lldb_al_x86_64, // AL + lldb_cl_x86_64, // CL + lldb_dl_x86_64, // DL + lldb_bl_x86_64, // BL + lldb_ah_x86_64, // AH + lldb_ch_x86_64, // CH + lldb_dh_x86_64, // DH + lldb_bh_x86_64, // BH + lldb_ax_x86_64, // AX + lldb_cx_x86_64, // CX + lldb_dx_x86_64, // DX + lldb_bx_x86_64, // BX + lldb_sp_x86_64, // SP + lldb_bp_x86_64, // BP + lldb_si_x86_64, // SI + lldb_di_x86_64, // DI + lldb_eax_x86_64, // EAX + lldb_ecx_x86_64, // ECX + lldb_edx_x86_64, // EDX + lldb_ebx_x86_64, // EBX + lldb_esp_x86_64, // ESP + lldb_ebp_x86_64, // EBP + lldb_esi_x86_64, // ESI + lldb_edi_x86_64, // EDI + lldb_es_x86_64, // ES + lldb_cs_x86_64, // CS + lldb_ss_x86_64, // SS + lldb_ds_x86_64, // DS + lldb_fs_x86_64, // FS + lldb_gs_x86_64, // GS + LLDB_INVALID_REGNUM, // IP + LLDB_INVALID_REGNUM, // FLAGS + LLDB_INVALID_REGNUM, // EIP + LLDB_INVALID_REGNUM, // EFLAGS + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, // TEMP + LLDB_INVALID_REGNUM, // TEMPH + LLDB_INVALID_REGNUM, // QUOTE + LLDB_INVALID_REGNUM, // PCDR3 + LLDB_INVALID_REGNUM, // PCDR4 + LLDB_INVALID_REGNUM, // PCDR5 + LLDB_INVALID_REGNUM, // PCDR6 + LLDB_INVALID_REGNUM, // PCDR7 + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, // CR0 + LLDB_INVALID_REGNUM, // CR1 + LLDB_INVALID_REGNUM, // CR2 + LLDB_INVALID_REGNUM, // CR3 + LLDB_INVALID_REGNUM, // CR4 + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + lldb_dr0_x86_64, // DR0 + lldb_dr1_x86_64, // DR1 + lldb_dr2_x86_64, // DR2 + lldb_dr3_x86_64, // DR3 + lldb_dr4_x86_64, // DR4 + lldb_dr5_x86_64, // DR5 + lldb_dr6_x86_64, // DR6 + lldb_dr7_x86_64, // DR7 + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, // GDTR + LLDB_INVALID_REGNUM, // GDTL + LLDB_INVALID_REGNUM, // IDTR + LLDB_INVALID_REGNUM, // IDTL + LLDB_INVALID_REGNUM, // LDTR + LLDB_INVALID_REGNUM, // TR + LLDB_INVALID_REGNUM, // PSEUDO1 + LLDB_INVALID_REGNUM, // PSEUDO2 + LLDB_INVALID_REGNUM, // PSEUDO3 + LLDB_INVALID_REGNUM, // PSEUDO4 + LLDB_INVALID_REGNUM, // PSEUDO5 + LLDB_INVALID_REGNUM, // PSEUDO6 + LLDB_INVALID_REGNUM, // PSEUDO7 + LLDB_INVALID_REGNUM, // PSEUDO8 + LLDB_INVALID_REGNUM, // PSEUDO9 + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + lldb_st0_x86_64, // ST0 + lldb_st1_x86_64, // ST1 + lldb_st2_x86_64, // ST2 + lldb_st3_x86_64, // ST3 + lldb_st4_x86_64, // ST4 + lldb_st5_x86_64, // ST5 + lldb_st6_x86_64, // ST6 + lldb_st7_x86_64, // ST7 + LLDB_INVALID_REGNUM, // CTRL + LLDB_INVALID_REGNUM, // STAT + LLDB_INVALID_REGNUM, // TAG + LLDB_INVALID_REGNUM, // FPIP + LLDB_INVALID_REGNUM, // FPCS + LLDB_INVALID_REGNUM, // FPDO + LLDB_INVALID_REGNUM, // FPDS + LLDB_INVALID_REGNUM, // ISEM + LLDB_INVALID_REGNUM, // FPEIP + LLDB_INVALID_REGNUM, // FPEDO + lldb_mm0_x86_64, // MM0 + lldb_mm1_x86_64, // MM1 + lldb_mm2_x86_64, // MM2 + lldb_mm3_x86_64, // MM3 + lldb_mm4_x86_64, // MM4 + lldb_mm5_x86_64, // MM5 + lldb_mm6_x86_64, // MM6 + lldb_mm7_x86_64, // MM7 + lldb_xmm0_x86_64, // XMM0 + lldb_xmm1_x86_64, // XMM1 + lldb_xmm2_x86_64, // XMM2 + lldb_xmm3_x86_64, // XMM3 + lldb_xmm4_x86_64, // XMM4 + lldb_xmm5_x86_64, // XMM5 + lldb_xmm6_x86_64, // XMM6 + lldb_xmm7_x86_64, // XMM7 + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, + lldb_mxcsr_x86_64, // MXCSR + LLDB_INVALID_REGNUM, // EDXEAX + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, // EMM0L + LLDB_INVALID_REGNUM, // EMM1L + LLDB_INVALID_REGNUM, // EMM2L + LLDB_INVALID_REGNUM, // EMM3L + LLDB_INVALID_REGNUM, // EMM4L + LLDB_INVALID_REGNUM, // EMM5L + LLDB_INVALID_REGNUM, // EMM6L + LLDB_INVALID_REGNUM, // EMM7L + LLDB_INVALID_REGNUM, // EMM0H + LLDB_INVALID_REGNUM, // EMM1H + LLDB_INVALID_REGNUM, // EMM2H + LLDB_INVALID_REGNUM, // EMM3H + LLDB_INVALID_REGNUM, // EMM4H + LLDB_INVALID_REGNUM, // EMM5H + LLDB_INVALID_REGNUM, // EMM6H + LLDB_INVALID_REGNUM, // EMM7H + LLDB_INVALID_REGNUM, // MM00 + LLDB_INVALID_REGNUM, // MM01 + LLDB_INVALID_REGNUM, // MM10 + LLDB_INVALID_REGNUM, // MM11 + LLDB_INVALID_REGNUM, // MM20 + LLDB_INVALID_REGNUM, // MM21 + LLDB_INVALID_REGNUM, // MM30 + LLDB_INVALID_REGNUM, // MM31 + LLDB_INVALID_REGNUM, // MM40 + LLDB_INVALID_REGNUM, // MM41 + LLDB_INVALID_REGNUM, // MM50 + LLDB_INVALID_REGNUM, // MM51 + LLDB_INVALID_REGNUM, // MM60 + LLDB_INVALID_REGNUM, // MM61 + LLDB_INVALID_REGNUM, // MM70 + LLDB_INVALID_REGNUM, // MM71 + lldb_xmm8_x86_64, // XMM8 + lldb_xmm9_x86_64, // XMM9 + lldb_xmm10_x86_64, // XMM10 + lldb_xmm11_x86_64, // XMM11 + lldb_xmm12_x86_64, // XMM12 + lldb_xmm13_x86_64, // XMM13 + lldb_xmm14_x86_64, // XMM14 + lldb_xmm15_x86_64, // XMM15 + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, + lldb_sil_x86_64, // SIL + lldb_dil_x86_64, // DIL + lldb_bpl_x86_64, // BPL + lldb_spl_x86_64, // SPL + lldb_rax_x86_64, // RAX + lldb_rbx_x86_64, // RBX + lldb_rcx_x86_64, // RCX + lldb_rdx_x86_64, // RDX + lldb_rsi_x86_64, // RSI + lldb_rdi_x86_64, // RDI + lldb_rbp_x86_64, // RBP + lldb_rsp_x86_64, // RSP + lldb_r8_x86_64, // R8 + lldb_r9_x86_64, // R9 + lldb_r10_x86_64, // R10 + lldb_r11_x86_64, // R11 + lldb_r12_x86_64, // R12 + lldb_r13_x86_64, // R13 + lldb_r14_x86_64, // R14 + lldb_r15_x86_64, // R15 + lldb_r8l_x86_64, // R8B + lldb_r9l_x86_64, // R9B + lldb_r10l_x86_64, // R10B + lldb_r11l_x86_64, // R11B + lldb_r12l_x86_64, // R12B + lldb_r13l_x86_64, // R13B + lldb_r14l_x86_64, // R14B + lldb_r15l_x86_64, // R15B + lldb_r8w_x86_64, // R8W + lldb_r9w_x86_64, // R9W + lldb_r10w_x86_64, // R10W + lldb_r11w_x86_64, // R11W + lldb_r12w_x86_64, // R12W + lldb_r13w_x86_64, // R13W + lldb_r14w_x86_64, // R14W + lldb_r15w_x86_64, // R15W + lldb_r8d_x86_64, // R8D + lldb_r9d_x86_64, // R9D + lldb_r10d_x86_64, // R10D + lldb_r11d_x86_64, // R11D + lldb_r12d_x86_64, // R12D + lldb_r13d_x86_64, // R13D + lldb_r14d_x86_64, // R14D + lldb_r15d_x86_64, // R15D + lldb_ymm0_x86_64, // AMD64_YMM0 + lldb_ymm1_x86_64, // AMD64_YMM1 + lldb_ymm2_x86_64, // AMD64_YMM2 + lldb_ymm3_x86_64, // AMD64_YMM3 + lldb_ymm4_x86_64, // AMD64_YMM4 + lldb_ymm5_x86_64, // AMD64_YMM5 + lldb_ymm6_x86_64, // AMD64_YMM6 + lldb_ymm7_x86_64, // AMD64_YMM7 + lldb_ymm8_x86_64, // AMD64_YMM8 + lldb_ymm9_x86_64, // AMD64_YMM9 + lldb_ymm10_x86_64, // AMD64_YMM10 + lldb_ymm11_x86_64, // AMD64_YMM11 + lldb_ymm12_x86_64, // AMD64_YMM12 + lldb_ymm13_x86_64, // AMD64_YMM13 + lldb_ymm14_x86_64, // AMD64_YMM14 + lldb_ymm15_x86_64, // AMD64_YMM15 + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, LLDB_INVALID_REGNUM, + lldb_bnd0_x86_64, // BND0 + lldb_bnd1_x86_64, // BND1 + lldb_bnd2_x86_64 // BND2 +}; + +uint32_t GetLLDBRegisterNumber(llvm::Triple::ArchType arch_type, + llvm::codeview::RegisterId register_id) { + switch (arch_type) { + case llvm::Triple::x86: + if (static_cast<uint16_t>(register_id) < + sizeof(g_code_view_to_lldb_registers_x86) / + sizeof(g_code_view_to_lldb_registers_x86[0])) + return g_code_view_to_lldb_registers_x86[static_cast<uint16_t>( + register_id)]; + + switch (register_id) { + case llvm::codeview::RegisterId::MXCSR: + return lldb_mxcsr_i386; + case llvm::codeview::RegisterId::BND0: + return lldb_bnd0_i386; + case llvm::codeview::RegisterId::BND1: + return lldb_bnd1_i386; + case llvm::codeview::RegisterId::BND2: + return lldb_bnd2_i386; + default: + return LLDB_INVALID_REGNUM; + } + case llvm::Triple::x86_64: + if (static_cast<uint16_t>(register_id) < + sizeof(g_code_view_to_lldb_registers_x86_64) / + sizeof(g_code_view_to_lldb_registers_x86_64[0])) + return g_code_view_to_lldb_registers_x86_64[static_cast<uint16_t>( + register_id)]; + + return LLDB_INVALID_REGNUM; + default: + return LLDB_INVALID_REGNUM; + } +} + +uint32_t GetGenericRegisterNumber(llvm::codeview::RegisterId register_id) { + if (register_id == llvm::codeview::RegisterId::VFRAME) + return LLDB_REGNUM_GENERIC_FP; + + return LLDB_INVALID_REGNUM; +} + +static uint32_t GetRegisterNumber(llvm::Triple::ArchType arch_type, + llvm::codeview::RegisterId register_id, + RegisterKind ®ister_kind) { + register_kind = eRegisterKindLLDB; + uint32_t reg_num = GetLLDBRegisterNumber(arch_type, register_id); + if (reg_num != LLDB_INVALID_REGNUM) + return reg_num; + + register_kind = eRegisterKindGeneric; + return GetGenericRegisterNumber(register_id); +} + +static bool IsSimpleTypeSignedInteger(SimpleTypeKind kind) { + switch (kind) { + case SimpleTypeKind::Int128: + case SimpleTypeKind::Int64: + case SimpleTypeKind::Int64Quad: + case SimpleTypeKind::Int32: + case SimpleTypeKind::Int32Long: + case SimpleTypeKind::Int16: + case SimpleTypeKind::Int16Short: + case SimpleTypeKind::Float128: + case SimpleTypeKind::Float80: + case SimpleTypeKind::Float64: + case SimpleTypeKind::Float32: + case SimpleTypeKind::Float16: + case SimpleTypeKind::NarrowCharacter: + case SimpleTypeKind::SignedCharacter: + case SimpleTypeKind::SByte: + return true; + default: + return false; + } +} + +static std::pair<size_t, bool> GetIntegralTypeInfo(TypeIndex ti, + TpiStream &tpi) { + if (ti.isSimple()) { + SimpleTypeKind stk = ti.getSimpleKind(); + return {GetTypeSizeForSimpleKind(stk), IsSimpleTypeSignedInteger(stk)}; + } + + CVType cvt = tpi.getType(ti); + switch (cvt.kind()) { + case LF_MODIFIER: { + ModifierRecord mfr; + llvm::cantFail(TypeDeserializer::deserializeAs<ModifierRecord>(cvt, mfr)); + return GetIntegralTypeInfo(mfr.ModifiedType, tpi); + } + case LF_POINTER: { + PointerRecord pr; + llvm::cantFail(TypeDeserializer::deserializeAs<PointerRecord>(cvt, pr)); + return GetIntegralTypeInfo(pr.ReferentType, tpi); + } + case LF_ENUM: { + EnumRecord er; + llvm::cantFail(TypeDeserializer::deserializeAs<EnumRecord>(cvt, er)); + return GetIntegralTypeInfo(er.UnderlyingType, tpi); + } + default: + assert(false && "Type is not integral!"); + return {0, false}; + } +} + +template <typename StreamWriter> +static DWARFExpression MakeLocationExpressionInternal(lldb::ModuleSP module, + StreamWriter &&writer) { + const ArchSpec &architecture = module->GetArchitecture(); + ByteOrder byte_order = architecture.GetByteOrder(); + uint32_t address_size = architecture.GetAddressByteSize(); + uint32_t byte_size = architecture.GetDataByteSize(); + if (byte_order == eByteOrderInvalid || address_size == 0) + return DWARFExpression(nullptr); + + RegisterKind register_kind = eRegisterKindDWARF; + StreamBuffer<32> stream(Stream::eBinary, address_size, byte_order); + + if (!writer(stream, register_kind)) + return DWARFExpression(nullptr); + + DataBufferSP buffer = + std::make_shared<DataBufferHeap>(stream.GetData(), stream.GetSize()); + DataExtractor extractor(buffer, byte_order, address_size, byte_size); + DWARFExpression result(module, extractor, nullptr, 0, buffer->GetByteSize()); + result.SetRegisterKind(register_kind); + + return result; +} + +static DWARFExpression MakeRegisterBasedLocationExpressionInternal( + llvm::codeview::RegisterId reg, llvm::Optional<int32_t> relative_offset, + lldb::ModuleSP module) { + return MakeLocationExpressionInternal( + module, [&](Stream &stream, RegisterKind ®ister_kind) -> bool { + uint32_t reg_num = GetRegisterNumber( + module->GetArchitecture().GetMachine(), reg, register_kind); + if (reg_num == LLDB_INVALID_REGNUM) + return false; + + if (reg_num > 31) { + llvm::dwarf::LocationAtom base = relative_offset + ? llvm::dwarf::DW_OP_bregx + : llvm::dwarf::DW_OP_regx; + stream.PutHex8(base); + stream.PutULEB128(reg_num); + } else { + llvm::dwarf::LocationAtom base = relative_offset + ? llvm::dwarf::DW_OP_breg0 + : llvm::dwarf::DW_OP_reg0; + stream.PutHex8(base + reg_num); + } + + if (relative_offset) + stream.PutSLEB128(*relative_offset); + + return true; + }); +} + +DWARFExpression lldb_private::npdb::MakeEnregisteredLocationExpression( + llvm::codeview::RegisterId reg, lldb::ModuleSP module) { + return MakeRegisterBasedLocationExpressionInternal(reg, llvm::None, module); +} + +DWARFExpression lldb_private::npdb::MakeRegRelLocationExpression( + llvm::codeview::RegisterId reg, int32_t offset, lldb::ModuleSP module) { + return MakeRegisterBasedLocationExpressionInternal(reg, offset, module); +} + +DWARFExpression lldb_private::npdb::MakeGlobalLocationExpression( + uint16_t section, uint32_t offset, ModuleSP module) { + assert(section > 0); + assert(module); + + return MakeLocationExpressionInternal( + module, [&](Stream &stream, RegisterKind ®ister_kind) -> bool { + stream.PutHex8(llvm::dwarf::DW_OP_addr); + + SectionList *section_list = module->GetSectionList(); + assert(section_list); + + // Section indices in PDB are 1-based, but in DWARF they are 0-based, so + // we need to subtract 1. + uint32_t section_idx = section - 1; + if (section_idx >= section_list->GetSize()) + return false; + + auto section_ptr = section_list->GetSectionAtIndex(section_idx); + if (!section_ptr) + return false; + + stream.PutMaxHex64(section_ptr->GetFileAddress() + offset, + stream.GetAddressByteSize(), stream.GetByteOrder()); + + return true; + }); +} + +DWARFExpression lldb_private::npdb::MakeConstantLocationExpression( + TypeIndex underlying_ti, TpiStream &tpi, const llvm::APSInt &constant, + ModuleSP module) { + const ArchSpec &architecture = module->GetArchitecture(); + uint32_t address_size = architecture.GetAddressByteSize(); + + size_t size = 0; + bool is_signed = false; + std::tie(size, is_signed) = GetIntegralTypeInfo(underlying_ti, tpi); + + union { + llvm::support::little64_t I; + llvm::support::ulittle64_t U; + } Value; + + std::shared_ptr<DataBufferHeap> buffer = std::make_shared<DataBufferHeap>(); + buffer->SetByteSize(size); + + llvm::ArrayRef<uint8_t> bytes; + if (is_signed) { + Value.I = constant.getSExtValue(); + } else { + Value.U = constant.getZExtValue(); + } + + bytes = llvm::makeArrayRef(reinterpret_cast<const uint8_t *>(&Value), 8) + .take_front(size); + buffer->CopyData(bytes.data(), size); + DataExtractor extractor(buffer, lldb::eByteOrderLittle, address_size); + DWARFExpression result(nullptr, extractor, nullptr, 0, size); + return result; +} |