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.SetErrorString( 39 "can't run static initializers for a NULL execution unit"); 40 return err; 41 } 42 43 if (!exe_ctx.HasThreadScope()) { 44 err.SetErrorString("can't run static initializers without a thread"); 45 return err; 46 } 47 48 std::vector<addr_t> static_initializers; 49 50 execution_unit_sp->GetStaticInitializers(static_initializers); 51 52 for (addr_t static_initializer : static_initializers) { 53 EvaluateExpressionOptions options; 54 55 ThreadPlanSP call_static_initializer(new ThreadPlanCallFunction( 56 exe_ctx.GetThreadRef(), Address(static_initializer), CompilerType(), 57 llvm::ArrayRef<addr_t>(), options)); 58 59 DiagnosticManager execution_errors; 60 ExpressionResults results = 61 exe_ctx.GetThreadRef().GetProcess()->RunThreadPlan( 62 exe_ctx, call_static_initializer, options, execution_errors); 63 64 if (results != eExpressionCompleted) { 65 err.SetErrorStringWithFormat("couldn't run static initializer: %s", 66 execution_errors.GetString().c_str()); 67 return err; 68 } 69 } 70 71 return err; 72 } 73