https://github.com/Nerixyz created https://github.com/llvm/llvm-project/pull/159769
This test was failing with the native plugin due to two reasons: 1. The static `C::abc` was printed as `(int) ::C::abc = 123` 2. The order of the base classes of [`C` (`List::Value`)](https://github.com/llvm/llvm-project/blob/b7e4edca3d56ec87f719c202f5397b245595f7cc/lldb/test/Shell/SymbolFile/PDB/Inputs/UdtLayoutTest.cpp#L30) is different between DIA and the native plugin. I don't know how the order in the DIA plugin is determined - it prints `B<0>`, `B<1>`, `B<2>`, `B<3>`, `A`. The native plugin follows the order of the bases in memory and prints `B<2>`, `B<3>`, `A`, `B<0>`, `B<1>` (last three are the virtual bases). <details><summary>Class layout of C</summary> ``` class C size(88): +--- 0 | +--- (base class B<2>) 0 | | {vbptr} 8 | | _a 9. | | _b (bitstart=3,nbits=6) 11 | | _c | +--- 15 | +--- (base class B<3>) 15 | | {vbptr} 23 | | _a 24. | | _b (bitstart=3,nbits=6) 26 | | _c | +--- | <alignment member> (size=2) 32 | _x 36 | _y 38 | _z | <alignment member> (size=1) | <alignment member> (size=2) +--- +--- (virtual base A) 40 | {vfptr} 48 | U _u | <alignment member> (size=4) +--- +--- (virtual base B<0>) 56 | {vbptr} 64 | _a 65. | _b (bitstart=3,nbits=6) 67 | _c +--- +--- (virtual base B<1>) 71 | {vbptr} 79 | _a 80. | _b (bitstart=3,nbits=6) 82 | _c +--- ``` </details> I updated the checks to permit outputs from both plugins. >From ccf7987092a45ec15725b8d37dd39d3c4dd580a4 Mon Sep 17 00:00:00 2001 From: Nerixyz <nerix...@outlook.de> Date: Fri, 19 Sep 2025 14:19:08 +0200 Subject: [PATCH] [LLDB][PDB] Run UDT layout test with native PDB too --- .../test/Shell/SymbolFile/PDB/udt-layout.test | 106 ++++++++++-------- 1 file changed, 59 insertions(+), 47 deletions(-) diff --git a/lldb/test/Shell/SymbolFile/PDB/udt-layout.test b/lldb/test/Shell/SymbolFile/PDB/udt-layout.test index bc68539e25ec1..ed943bc9fb513 100644 --- a/lldb/test/Shell/SymbolFile/PDB/udt-layout.test +++ b/lldb/test/Shell/SymbolFile/PDB/udt-layout.test @@ -1,51 +1,63 @@ REQUIRES: target-windows, lld RUN: %build --compiler=clang-cl --output=%t.exe %S/Inputs/UdtLayoutTest.cpp -RUN: %lldb -b -s %S/Inputs/UdtLayoutTest.script -- %t.exe | FileCheck %s +RUN: env LLDB_USE_NATIVE_PDB_READER=0 %lldb -b -s %S/Inputs/UdtLayoutTest.script -- %t.exe | FileCheck %s +RUN: env LLDB_USE_NATIVE_PDB_READER=1 %lldb -b -s %S/Inputs/UdtLayoutTest.script -- %t.exe | FileCheck %s -CHECK:(int) C::abc = 123 +CHECK:(int) {{(::)?}}C::abc = 123 CHECK:(List[16]) ls = { -CHECK: [15] = { -CHECK: Prev = nullptr -CHECK: Next = nullptr -CHECK: Value = { -CHECK: B<0> = { -CHECK: A = { -CHECK: _u = (_u1 = '\x02', _u2 = 2, _u3 = 2) -CHECK: } -CHECK: _a = '\x01' -CHECK: _b = 2 -CHECK: _c = 3 -CHECK: } -CHECK: B<1> = { -CHECK: A = { -CHECK: _u = (_u1 = '\x02', _u2 = 2, _u3 = 2) -CHECK: } -CHECK: _a = '\x02' -CHECK: _b = 4 -CHECK: _c = 6 -CHECK: } -CHECK: B<2> = { -CHECK: A = { -CHECK: _u = (_u1 = '\x02', _u2 = 2, _u3 = 2) -CHECK: } -CHECK: _a = '\x03' -CHECK: _b = 6 -CHECK: _c = 9 -CHECK: } -CHECK: B<3> = { -CHECK: A = { -CHECK: _u = (_u1 = '\x02', _u2 = 2, _u3 = 2) -CHECK: } -CHECK: _a = '\x04' -CHECK: _b = 8 -CHECK: _c = 12 -CHECK: } -CHECK: A = { -CHECK: _u = (_u1 = '\x02', _u2 = 2, _u3 = 2) -CHECK: } -CHECK: _x = 5 -CHECK: _y = 10 -CHECK: _z = '\x0f' -CHECK: } -CHECK: } -CHECK:} + +CHECK: [14] = { +CHECK-NEXT: Prev = nullptr +CHECK-NEXT: Next = nullptr +CHECK-NEXT: Value = { +CHECK: B<0> = { +CHECK-NEXT: A = { +CHECK-NEXT: _u = (_u1 = '\x02', _u2 = 2, _u3 = 2) +CHECK-NEXT: } +CHECK-NEXT: _a = '\x01' +CHECK-NEXT: _b = 2 +CHECK-NEXT: _c = 3 +CHECK-NEXT: } +CHECK-NEXT: B<1> = { +CHECK-NEXT: A = { +CHECK-NEXT: _u = (_u1 = '\x02', _u2 = 2, _u3 = 2) +CHECK-NEXT: } +CHECK-NEXT: _a = '\x02' +CHECK-NEXT: _b = 4 +CHECK-NEXT: _c = 6 +CHECK-NEXT: } +CHECK: _x = 5 +CHECK-NEXT: _y = 10 +CHECK-NEXT: _z = '\x0f' +CHECK-NEXT: } +CHECK-NEXT: } + +CHECK-NEXT: [15] = { +CHECK-NEXT: Prev = nullptr +CHECK-NEXT: Next = nullptr +CHECK-NEXT: Value = { +CHECK: B<2> = { +CHECK-NEXT: A = { +CHECK-NEXT: _u = (_u1 = '\x02', _u2 = 2, _u3 = 2) +CHECK-NEXT: } +CHECK-NEXT: _a = '\x03' +CHECK-NEXT: _b = 6 +CHECK-NEXT: _c = 9 +CHECK-NEXT: } +CHECK-NEXT: B<3> = { +CHECK-NEXT: A = { +CHECK-NEXT: _u = (_u1 = '\x02', _u2 = 2, _u3 = 2) +CHECK-NEXT: } +CHECK-NEXT: _a = '\x04' +CHECK-NEXT: _b = 8 +CHECK-NEXT: _c = 12 +CHECK-NEXT: } +CHECK-NEXT: A = { +CHECK-NEXT: _u = (_u1 = '\x02', _u2 = 2, _u3 = 2) +CHECK-NEXT: } +CHECK: _x = 5 +CHECK-NEXT: _y = 10 +CHECK-NEXT: _z = '\x0f' +CHECK-NEXT: } +CHECK-NEXT: } +CHECK-NEXT:} _______________________________________________ lldb-commits mailing list lldb-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits
