From ead246455adf1a215ec2715dad6533073a6beb4e Mon Sep 17 00:00:00 2001 From: Dimitry Andric Date: Wed, 23 Oct 2019 17:53:01 +0000 Subject: Vendor import of stripped lldb trunk r375505, the last commit before the upstream Subversion repository was made read-only, and the LLVM project migrated to GitHub: https://llvm.org/svn/llvm-project/lldb/trunk@375505 --- .../Process/Utility/DynamicRegisterInfo.cpp | 114 ++++++++++----------- 1 file changed, 53 insertions(+), 61 deletions(-) (limited to 'source/Plugins/Process/Utility/DynamicRegisterInfo.cpp') diff --git a/source/Plugins/Process/Utility/DynamicRegisterInfo.cpp b/source/Plugins/Process/Utility/DynamicRegisterInfo.cpp index 1afe4d920599..a86880af2260 100644 --- a/source/Plugins/Process/Utility/DynamicRegisterInfo.cpp +++ b/source/Plugins/Process/Utility/DynamicRegisterInfo.cpp @@ -137,76 +137,67 @@ DynamicRegisterInfo::SetRegisterInfo(const StructuredData::Dictionary &dict, // ends at static RegularExpression g_bitfield_regex( llvm::StringRef("([A-Za-z_][A-Za-z0-9_]*)\\[([0-9]+):([0-9]+)\\]")); - RegularExpression::Match regex_match(3); - if (g_bitfield_regex.Execute(slice_str, ®ex_match)) { - llvm::StringRef reg_name_str; - std::string msbit_str; - std::string lsbit_str; - if (regex_match.GetMatchAtIndex(slice_str, 1, reg_name_str) && - regex_match.GetMatchAtIndex(slice_str, 2, msbit_str) && - regex_match.GetMatchAtIndex(slice_str, 3, lsbit_str)) { - const uint32_t msbit = - StringConvert::ToUInt32(msbit_str.c_str(), UINT32_MAX); - const uint32_t lsbit = - StringConvert::ToUInt32(lsbit_str.c_str(), UINT32_MAX); - if (msbit != UINT32_MAX && lsbit != UINT32_MAX) { - if (msbit > lsbit) { - const uint32_t msbyte = msbit / 8; - const uint32_t lsbyte = lsbit / 8; - - ConstString containing_reg_name(reg_name_str); - - const RegisterInfo *containing_reg_info = - GetRegisterInfo(containing_reg_name); - if (containing_reg_info) { - const uint32_t max_bit = containing_reg_info->byte_size * 8; - if (msbit < max_bit && lsbit < max_bit) { - m_invalidate_regs_map[containing_reg_info - ->kinds[eRegisterKindLLDB]] - .push_back(i); - m_value_regs_map[i].push_back( - containing_reg_info->kinds[eRegisterKindLLDB]); - m_invalidate_regs_map[i].push_back( - containing_reg_info->kinds[eRegisterKindLLDB]); - - if (byte_order == eByteOrderLittle) { - success = true; - reg_info.byte_offset = - containing_reg_info->byte_offset + lsbyte; - } else if (byte_order == eByteOrderBig) { - success = true; - reg_info.byte_offset = - containing_reg_info->byte_offset + msbyte; - } else { - llvm_unreachable("Invalid byte order"); - } + llvm::SmallVector matches; + if (g_bitfield_regex.Execute(slice_str, &matches)) { + std::string reg_name_str = matches[1].str(); + std::string msbit_str = matches[2].str(); + std::string lsbit_str = matches[3].str(); + const uint32_t msbit = + StringConvert::ToUInt32(msbit_str.c_str(), UINT32_MAX); + const uint32_t lsbit = + StringConvert::ToUInt32(lsbit_str.c_str(), UINT32_MAX); + if (msbit != UINT32_MAX && lsbit != UINT32_MAX) { + if (msbit > lsbit) { + const uint32_t msbyte = msbit / 8; + const uint32_t lsbyte = lsbit / 8; + + ConstString containing_reg_name(reg_name_str); + + const RegisterInfo *containing_reg_info = + GetRegisterInfo(containing_reg_name); + if (containing_reg_info) { + const uint32_t max_bit = containing_reg_info->byte_size * 8; + if (msbit < max_bit && lsbit < max_bit) { + m_invalidate_regs_map[containing_reg_info + ->kinds[eRegisterKindLLDB]] + .push_back(i); + m_value_regs_map[i].push_back( + containing_reg_info->kinds[eRegisterKindLLDB]); + m_invalidate_regs_map[i].push_back( + containing_reg_info->kinds[eRegisterKindLLDB]); + + if (byte_order == eByteOrderLittle) { + success = true; + reg_info.byte_offset = + containing_reg_info->byte_offset + lsbyte; + } else if (byte_order == eByteOrderBig) { + success = true; + reg_info.byte_offset = + containing_reg_info->byte_offset + msbyte; } else { - if (msbit > max_bit) - printf("error: msbit (%u) must be less than the bitsize " - "of the register (%u)\n", - msbit, max_bit); - else - printf("error: lsbit (%u) must be less than the bitsize " - "of the register (%u)\n", - lsbit, max_bit); + llvm_unreachable("Invalid byte order"); } } else { - printf("error: invalid concrete register \"%s\"\n", - containing_reg_name.GetCString()); + if (msbit > max_bit) + printf("error: msbit (%u) must be less than the bitsize " + "of the register (%u)\n", + msbit, max_bit); + else + printf("error: lsbit (%u) must be less than the bitsize " + "of the register (%u)\n", + lsbit, max_bit); } } else { - printf("error: msbit (%u) must be greater than lsbit (%u)\n", - msbit, lsbit); + printf("error: invalid concrete register \"%s\"\n", + containing_reg_name.GetCString()); } } else { - printf("error: msbit (%u) and lsbit (%u) must be valid\n", msbit, - lsbit); + printf("error: msbit (%u) must be greater than lsbit (%u)\n", + msbit, lsbit); } } else { - // TODO: print error invalid slice string that doesn't follow the - // format - printf("error: failed to extract regex matches for parsing the " - "register bitfield regex\n"); + printf("error: msbit (%u) and lsbit (%u) must be valid\n", msbit, + lsbit); } } else { // TODO: print error invalid slice string that doesn't follow the @@ -545,6 +536,7 @@ void DynamicRegisterInfo::Finalize(const ArchSpec &arch) { if (!generic_regs_specified) { switch (arch.GetMachine()) { case llvm::Triple::aarch64: + case llvm::Triple::aarch64_32: case llvm::Triple::aarch64_be: for (auto ® : m_regs) { if (strcmp(reg.name, "pc") == 0) -- cgit v1.2.3