Files
clang-p2996/lldb/lit/SymbolFile/PDB/variables-locations.test
Aleksandr Urakov 758657e565 [PDB] Fix location retrieval for function local variables and arguments that are
stored relative to VFRAME

Summary:
This patch makes LLDB able to retrieve proper values for function arguments and
local variables stored in PDB relative to VFRAME register.

Patch contains retrieval of corresponding FPO table entries from PDB and a
generic translator from FPO programs to DWARF expressions to get correct VFRAME
value.

Patch also improves variables-locations.test and makes this test passable on
x86.

Patch By: leonid.mashinsky

Reviewers: zturner, asmith, stella.stamenova, aleksandr.urakov

Reviewed By: zturner

Subscribers: arphaman, labath, mgorny, aprantl, JDevlieghere, lldb-commits

Tags: #lldb

Differential Revision: https://reviews.llvm.org/D55122

llvm-svn: 352845
2019-02-01 10:01:18 +00:00

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REQUIRES: system-windows, lld
RUN: %build --compiler=clang-cl --output=%t.exe %S/Inputs/VariablesLocationsTest.cpp
RUN: env LLDB_USE_NATIVE_PDB_READER=0 %lldb -b -s %S/Inputs/VariablesLocationsTest.script -- %t.exe | FileCheck %s
RUN: env LLDB_USE_NATIVE_PDB_READER=1 %lldb -b -s %S/Inputs/VariablesLocationsTest.script -- %t.exe | FileCheck %s
CHECK: g_var = 2222
CHECK: arg_0 = 1111
CHECK: arg_1 = 0.123
CHECK: loc_0 = 'x'
CHECK: loc_1 = 0.567
CHECK: loc_0 = true
CHECK: loc_1 = 3333
CHECK: arg_0 = 22
CHECK: loc_0 = (a = 1234)
CHECK: loc_1 = 5678