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