1 //===-- ExpressionParser.cpp ----------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "lldb/Expression/ExpressionParser.h" 10 #include "lldb/Expression/DiagnosticManager.h" 11 #include "lldb/Expression/IRExecutionUnit.h" 12 #include "lldb/Target/ExecutionContext.h" 13 #include "lldb/Target/ThreadPlanCallFunction.h" 14 15 using namespace lldb; 16 using namespace lldb_private; 17 18 Status ExpressionParser::PrepareForExecution( 19 addr_t &func_addr, addr_t &func_end, 20 std::shared_ptr<IRExecutionUnit> &execution_unit_sp, 21 ExecutionContext &exe_ctx, bool &can_interpret, 22 ExecutionPolicy execution_policy) { 23 Status status = 24 DoPrepareForExecution(func_addr, func_end, execution_unit_sp, exe_ctx, 25 can_interpret, execution_policy); 26 if (status.Success() && exe_ctx.GetProcessPtr() && exe_ctx.HasThreadScope()) 27 status = RunStaticInitializers(execution_unit_sp, exe_ctx); 28 29 return status; 30 } 31 32 Status 33 ExpressionParser::RunStaticInitializers(IRExecutionUnitSP &execution_unit_sp, 34 ExecutionContext &exe_ctx) { 35 Status err; 36 37 if (!execution_unit_sp.get()) { 38 err = Status::FromErrorString( 39 "can't run static initializers for a NULL execution unit"); 40 return err; 41 } 42 43 if (!exe_ctx.HasThreadScope()) { 44 err = Status::FromErrorString( 45 "can't run static initializers without a thread"); 46 return err; 47 } 48 49 std::vector<addr_t> static_initializers; 50 51 execution_unit_sp->GetStaticInitializers(static_initializers); 52 53 for (addr_t static_initializer : static_initializers) { 54 EvaluateExpressionOptions options; 55 56 ThreadPlanSP call_static_initializer(new ThreadPlanCallFunction( 57 exe_ctx.GetThreadRef(), Address(static_initializer), CompilerType(), 58 llvm::ArrayRef<addr_t>(), options)); 59 60 DiagnosticManager execution_errors; 61 ExpressionResults results = 62 exe_ctx.GetThreadRef().GetProcess()->RunThreadPlan( 63 exe_ctx, call_static_initializer, options, execution_errors); 64 65 if (results != eExpressionCompleted) { 66 err = Status::FromError(execution_errors.GetAsError( 67 lldb::eExpressionSetupError, "couldn't run static initializer:")); 68 return err; 69 } 70 } 71 72 return err; 73 } 74