From d0a5d8611935b548e1ec546b49201d47ac0a762c Mon Sep 17 00:00:00 2001 From: CarlosAlbertoEnciso Date: Tue, 15 Jun 2021 06:52:50 +0100 Subject: [PATCH] [Debug-Info][CodeView] Fix GUID string generation for MSVC generated objects. This patch is to address https://bugs.llvm.org/show_bug.cgi?id=50459. YAML:455:28: error: GUID strings are 38 characters long The valid format for a GUID is {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX} where X is a hex digit (0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F). The length of the individual components must be: 8, 4, 4, 4, 12. For some cases, the converted string generated by obj2yaml, does not comply with those lengths. yaml2obj checks that the GUID string must be 38 characters including the dashes and braces. Reviewed By: amccarth Differential Revision: https://reviews.llvm.org/D103089 --- llvm/lib/DebugInfo/CodeView/Formatters.cpp | 21 ++- llvm/test/tools/obj2yaml/COFF/Inputs/test-1.o | Bin 0 -> 3312 bytes llvm/test/tools/obj2yaml/COFF/Inputs/test-2.o | Bin 0 -> 1908 bytes llvm/test/tools/obj2yaml/COFF/Inputs/test-3.o | Bin 0 -> 3631 bytes llvm/test/tools/obj2yaml/COFF/Inputs/test-4.o | Bin 0 -> 3284 bytes llvm/test/tools/obj2yaml/COFF/Inputs/test-5.o | Bin 0 -> 3083 bytes llvm/test/tools/obj2yaml/COFF/Inputs/test-6.o | Bin 0 -> 2748 bytes llvm/test/tools/obj2yaml/COFF/test-1.test | 4 + llvm/test/tools/obj2yaml/COFF/test-2.test | 4 + llvm/test/tools/obj2yaml/COFF/test-3.test | 4 + llvm/test/tools/obj2yaml/COFF/test-4.test | 4 + llvm/test/tools/obj2yaml/COFF/test-5.test | 4 + llvm/test/tools/obj2yaml/COFF/test-6.test | 4 + llvm/unittests/DebugInfo/CodeView/CMakeLists.txt | 1 + .../DebugInfo/CodeView/GUIDFormatTest.cpp | 143 +++++++++++++++++++++ 15 files changed, 184 insertions(+), 5 deletions(-) create mode 100755 llvm/test/tools/obj2yaml/COFF/Inputs/test-1.o create mode 100755 llvm/test/tools/obj2yaml/COFF/Inputs/test-2.o create mode 100755 llvm/test/tools/obj2yaml/COFF/Inputs/test-3.o create mode 100755 llvm/test/tools/obj2yaml/COFF/Inputs/test-4.o create mode 100755 llvm/test/tools/obj2yaml/COFF/Inputs/test-5.o create mode 100755 llvm/test/tools/obj2yaml/COFF/Inputs/test-6.o create mode 100755 llvm/test/tools/obj2yaml/COFF/test-1.test create mode 100755 llvm/test/tools/obj2yaml/COFF/test-2.test create mode 100755 llvm/test/tools/obj2yaml/COFF/test-3.test create mode 100755 llvm/test/tools/obj2yaml/COFF/test-4.test create mode 100755 llvm/test/tools/obj2yaml/COFF/test-5.test create mode 100755 llvm/test/tools/obj2yaml/COFF/test-6.test create mode 100755 llvm/unittests/DebugInfo/CodeView/GUIDFormatTest.cpp diff --git a/llvm/lib/DebugInfo/CodeView/Formatters.cpp b/llvm/lib/DebugInfo/CodeView/Formatters.cpp index 3a67f31..f1f51bc 100644 --- a/llvm/lib/DebugInfo/CodeView/Formatters.cpp +++ b/llvm/lib/DebugInfo/CodeView/Formatters.cpp @@ -23,6 +23,17 @@ GuidAdapter::GuidAdapter(StringRef Guid) GuidAdapter::GuidAdapter(ArrayRef Guid) : FormatAdapter(std::move(Guid)) {} +// From https://docs.microsoft.com/en-us/windows/win32/msi/guid documentation: +// The GUID data type is a text string representing a Class identifier (ID). +// All GUIDs must be authored in uppercase. +// The valid format for a GUID is {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX} where +// X is a hex digit (0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F). +// +// The individual string components must be padded to comply with the specific +// lengths of {8-4-4-4-12} characters. +// The llvm-yaml2obj tool checks that a GUID follow that format: +// - the total length to be 38 (including the curly braces. +// - there is a dash at the positions: 8, 13, 18 and 23. void GuidAdapter::format(raw_ostream &Stream, StringRef Style) { assert(Item.size() == 16 && "Expected 16-byte GUID"); struct MSGuid { @@ -33,11 +44,11 @@ void GuidAdapter::format(raw_ostream &Stream, StringRef Style) { }; const MSGuid *G = reinterpret_cast(Item.data()); Stream - << '{' << format_hex_no_prefix(G->Data1, sizeof(G->Data1), /*Upper=*/true) - << '-' << format_hex_no_prefix(G->Data2, sizeof(G->Data2), /*Upper=*/true) - << '-' << format_hex_no_prefix(G->Data3, sizeof(G->Data3), /*Upper=*/true) - << '-' << format_hex_no_prefix(G->Data4 >> 48, 2, /*Upper=*/true) << '-' - << format_hex_no_prefix(G->Data4 & ((1ULL << 48) - 1), 6, /*Upper=*/true) + << '{' << format_hex_no_prefix(G->Data1, 8, /*Upper=*/true) + << '-' << format_hex_no_prefix(G->Data2, 4, /*Upper=*/true) + << '-' << format_hex_no_prefix(G->Data3, 4, /*Upper=*/true) + << '-' << format_hex_no_prefix(G->Data4 >> 48, 4, /*Upper=*/true) << '-' + << format_hex_no_prefix(G->Data4 & ((1ULL << 48) - 1), 12, /*Upper=*/true) << '}'; } diff --git a/llvm/test/tools/obj2yaml/COFF/Inputs/test-1.o b/llvm/test/tools/obj2yaml/COFF/Inputs/test-1.o new file mode 100755 index 0000000000000000000000000000000000000000..d351d4bef53d4a49a46766da26e61537dbca3052 GIT binary patch literal 3312 zcmb_fU1%It6h51z$#yqFHb1qbsU6~K)0%8j8k=-%<0jcnQ^=nt1uffdXLo0JCvJAe znc1|~RD$LqZ3@;m5d~lRB={s0OF^MUP>Krr*asB^ANmrtpwJS(GdnZcZ9+{#4!LvA z{q8yUo^R&vy(c4{9mI0gPgG}FM4^-}C(T*e?oua=drrsEzB>5Hi9#kg=|FQ{qFN8p z;?5${2ofQBX`drWQ=CV8+fX`B+j-$+L=lzC%kTVrpVKmXq?Cf|QYCmTNp+ z$R|xi#=8!MR1)b}z#|aVPy=4}b%k6#sw8#QP}8Q+_UZv)Tr-s!<)V_$2!ra3rsQOu z>M0nA$7hpq$uxB(Q7~nL8i8fyoF?m~Xf;sD%n@tDOj&wta)Rgq_yo}$VS>z=8_NKi z)93f_4qAv#SnmO*B~Hv!=v6oyhCG;G6cdt8EmU9U%x8xJG zMGT`W5JpGTq?EJJ3L3{^e*)`8bHqu8*J!svq%qHZjLq}5s)y$M8lX4Jc@A+;;#|3D z&J8wa6EjKi_!! 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zEEosPygH_i=i&*DhfqQ4#<{4B`BJzHucF5FQ5pib-)!MwkKOj-|~~m z#ER?iA}Z3|6DyW+V8Ou4MR|;L#mg?u6LztUW@8thFRTrzD z&i(wym(?%+M2DxBdoVe{gMaS7Jb5^GW&Y0mTi>|v6z<;p{hF)(`a|mKJcddXt%+$T zXSHry7nMhk08*eGa#Q5;`L7i?9U$@>fySCr=#`Kx^84T!>`EyQ>4lJRlHUd?--liY z$&!=a1(c&x3U1hlLVZ-Irg#9a;E!4{a)2$`_ZayKTl5Bsk>9X2kw9i~iZt$lkNo~1 zW=f$KNV2q$v4QDN(@F=?3Do41scB`{z;q~iR7#RZr6@NF19!@mGGSE<#Q&E{DOF; +using GuidData = SmallVector; + +void checkData(GuidData &Data) { + for (auto Item : Data) { + std::string GuidText(formatv("{0}", Item.second).str()); + StringRef Scalar(GuidText); + + // GUID strings are 38 characters long. + EXPECT_EQ(Scalar.size(), size_t(38)); + + // GUID must be enclosed in {} + EXPECT_EQ(Scalar.front(), '{'); + EXPECT_EQ(Scalar.back(), '}'); + + Scalar = Scalar.substr(1, Scalar.size() - 2); + SmallVector Component; + Scalar.split(Component, '-', 5); + + // GUID must have 5 components. + EXPECT_EQ(Component.size(), size_t(5)); + + // GUID components are properly delineated with dashes. + EXPECT_EQ(Scalar[8], '-'); + EXPECT_EQ(Scalar[13], '-'); + EXPECT_EQ(Scalar[18], '-'); + EXPECT_EQ(Scalar[23], '-'); + + // GUID only contains hex digits. + struct { + support::ulittle32_t Data0; + support::ulittle16_t Data1; + support::ulittle16_t Data2; + support::ubig16_t Data3; + support::ubig64_t Data4; + } G = {}; + EXPECT_TRUE(to_integer(Component[0], G.Data0, 16)); + EXPECT_TRUE(to_integer(Component[1], G.Data1, 16)); + EXPECT_TRUE(to_integer(Component[2], G.Data2, 16)); + EXPECT_TRUE(to_integer(Component[3], G.Data3, 16)); + EXPECT_TRUE(to_integer(Component[4], G.Data4, 16)); + + // Check the values are the same. + EXPECT_EQ(Scalar, Item.first); + } +} + +TEST(GUIDFormatTest, ValidateFormat) { + // Shifting 2 (0x00) + GuidData Data = { + // Non-zero values in all components. + {"11223344-5566-7788-99AA-BBCCDDEEFFAA", + {0x44, 0x33, 0x22, 0x11, 0x66, 0x55, 0x88, 0x77, 0x99, 0xaa, 0xbb, 0xcc, + 0xdd, 0xee, 0xff, 0xaa}}, + + // Zero values in all components. + {"00000000-0000-0000-0000-000000000000", + {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00}}, + + // Shift 2 (0x00) across all components + {"00003344-5566-7788-99AA-BBCCDDEEFFAA", + {0x44, 0x33, 0x00, 0x00, 0x66, 0x55, 0x88, 0x77, 0x99, 0xaa, 0xbb, 0xcc, + 0xdd, 0xee, 0xff, 0xaa}}, + {"11000044-5566-7788-99AA-BBCCDDEEFFAA", + {0x44, 0x00, 0x00, 0x11, 0x66, 0x55, 0x88, 0x77, 0x99, 0xaa, 0xbb, 0xcc, + 0xdd, 0xee, 0xff, 0xaa}}, + {"11220000-5566-7788-99AA-BBCCDDEEFFAA", + {0x00, 0x00, 0x22, 0x11, 0x66, 0x55, 0x88, 0x77, 0x99, 0xaa, 0xbb, 0xcc, + 0xdd, 0xee, 0xff, 0xaa}}, + {"11223300-0066-7788-99AA-BBCCDDEEFFAA", + {0x00, 0x33, 0x22, 0x11, 0x66, 0x00, 0x88, 0x77, 0x99, 0xaa, 0xbb, 0xcc, + 0xdd, 0xee, 0xff, 0xaa}}, + {"11223344-0000-7788-99AA-BBCCDDEEFFAA", + {0x44, 0x33, 0x22, 0x11, 0x00, 0x00, 0x88, 0x77, 0x99, 0xaa, 0xbb, 0xcc, + 0xdd, 0xee, 0xff, 0xaa}}, + {"11223344-5500-0088-99AA-BBCCDDEEFFAA", + {0x44, 0x33, 0x22, 0x11, 0x00, 0x55, 0x88, 0x00, 0x99, 0xaa, 0xbb, 0xcc, + 0xdd, 0xee, 0xff, 0xaa}}, + {"11223344-5566-0000-99AA-BBCCDDEEFFAA", + {0x44, 0x33, 0x22, 0x11, 0x66, 0x55, 0x00, 0x00, 0x99, 0xaa, 0xbb, 0xcc, + 0xdd, 0xee, 0xff, 0xaa}}, + {"11223344-5566-7700-00AA-BBCCDDEEFFAA", + {0x44, 0x33, 0x22, 0x11, 0x66, 0x55, 0x00, 0x77, 0x00, 0xaa, 0xbb, 0xcc, + 0xdd, 0xee, 0xff, 0xaa}}, + {"11223344-5566-7788-0000-BBCCDDEEFFAA", + {0x44, 0x33, 0x22, 0x11, 0x66, 0x55, 0x88, 0x77, 0x00, 0x00, 0xbb, 0xcc, + 0xdd, 0xee, 0xff, 0xaa}}, + {"11223344-5566-7788-9900-00CCDDEEFFAA", + {0x44, 0x33, 0x22, 0x11, 0x66, 0x55, 0x88, 0x77, 0x99, 0x00, 0x00, 0xcc, + 0xdd, 0xee, 0xff, 0xaa}}, + {"11223344-5566-7788-99AA-0000DDEEFFAA", + {0x44, 0x33, 0x22, 0x11, 0x66, 0x55, 0x88, 0x77, 0x99, 0xaa, 0x00, 0x00, + 0xdd, 0xee, 0xff, 0xaa}}, + {"11223344-5566-7788-99AA-BB0000EEFFAA", + {0x44, 0x33, 0x22, 0x11, 0x66, 0x55, 0x88, 0x77, 0x99, 0xaa, 0xbb, 0x00, + 0x00, 0xee, 0xff, 0xaa}}, + {"11223344-5566-7788-99AA-BBCC0000FFAA", + {0x44, 0x33, 0x22, 0x11, 0x66, 0x55, 0x88, 0x77, 0x99, 0xaa, 0xbb, 0xcc, + 0x00, 0x00, 0xff, 0xaa}}, + {"11223344-5566-7788-99AA-BBCCDD0000AA", + {0x44, 0x33, 0x22, 0x11, 0x66, 0x55, 0x88, 0x77, 0x99, 0xaa, 0xbb, 0xcc, + 0xdd, 0x00, 0x00, 0xaa}}, + {"11223344-5566-7788-99AA-BBCCDDEE0000", + {0x44, 0x33, 0x22, 0x11, 0x66, 0x55, 0x88, 0x77, 0x99, 0xaa, 0xbb, 0xcc, + 0xdd, 0xee, 0x00, 0x00}}, + }; + + checkData(Data); +} +} // namespace -- 2.7.4