xref: /llvm-project/mlir/include/mlir/Debug/DebuggerExecutionContextHook.h (revision 1020150e7a6f6d6f833c232125c5ab817c03c76b)
1 //===- DebuggerExecutionContextHook.h - Debugger Support --------*- C++ -*-===//
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 // This file contains a set of C API functions that are used by the debugger to
10 // interact with the ExecutionContext.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef MLIR_SUPPORT_DEBUGGEREXECUTIONCONTEXTHOOK_H
15 #define MLIR_SUPPORT_DEBUGGEREXECUTIONCONTEXTHOOK_H
16 
17 #include "mlir-c/IR.h"
18 #include "mlir/Debug/ExecutionContext.h"
19 #include "llvm/Support/Compiler.h"
20 
21 extern "C" {
22 struct MLIRBreakpoint;
23 struct MLIRIRunit;
24 typedef struct MLIRBreakpoint *BreakpointHandle;
25 typedef struct MLIRIRunit *irunitHandle;
26 
27 /// This is used by the debugger to control what to do after a breakpoint is
28 /// hit. See tracing::ExecutionContext::Control for more information.
29 void mlirDebuggerSetControl(int controlOption);
30 
31 /// Print the available context for the current Action.
32 void mlirDebuggerPrintContext();
33 
34 /// Print the current action backtrace.
35 void mlirDebuggerPrintActionBacktrace(bool withContext);
36 
37 //===----------------------------------------------------------------------===//
38 // Cursor Management: The cursor is used to select an IRUnit from the context
39 // and to navigate through the IRUnit hierarchy.
40 //===----------------------------------------------------------------------===//
41 
42 /// Print the current IR unit cursor.
43 void mlirDebuggerCursorPrint(bool withRegion);
44 
45 /// Select the IR unit from the current context by ID.
46 void mlirDebuggerCursorSelectIRUnitFromContext(int index);
47 
48 /// Select the parent IR unit of the provided IR unit, or print an error if the
49 /// IR unit has no parent.
50 void mlirDebuggerCursorSelectParentIRUnit();
51 
52 /// Select the child IR unit at the provided index, print an error if the index
53 /// is out of bound. For example if the irunit is an operation, the children IR
54 /// units will be the operation's regions.
55 void mlirDebuggerCursorSelectChildIRUnit(int index);
56 
57 /// Return the next IR unit logically in the IR. For example if the irunit is a
58 /// Region the next IR unit will be the next region in the parent operation or
59 /// nullptr if there is no next region.
60 void mlirDebuggerCursorSelectPreviousIRUnit();
61 
62 /// Return the previous IR unit logically in the IR. For example if the irunit
63 /// is a Region, the previous IR unit will be the previous region in the parent
64 /// operation or nullptr if there is no previous region.
65 void mlirDebuggerCursorSelectNextIRUnit();
66 
67 //===----------------------------------------------------------------------===//
68 // Breakpoint Management
69 //===----------------------------------------------------------------------===//
70 
71 /// Enable the provided breakpoint.
72 void mlirDebuggerEnableBreakpoint(BreakpointHandle breakpoint);
73 
74 /// Disable the provided breakpoint.
75 void mlirDebuggerDisableBreakpoint(BreakpointHandle breakpoint);
76 
77 /// Add a breakpoint matching exactly the provided tag.
78 BreakpointHandle mlirDebuggerAddTagBreakpoint(const char *tag);
79 
80 /// Add a breakpoint matching a pattern by name.
81 void mlirDebuggerAddRewritePatternBreakpoint(const char *patternNameInfo);
82 
83 /// Add a breakpoint matching a file, line and column.
84 void mlirDebuggerAddFileLineColLocBreakpoint(const char *file, int line,
85                                              int col);
86 
87 } // extern "C"
88 
89 namespace mlir {
90 // Setup the debugger hooks as a callback on the provided ExecutionContext.
91 void setupDebuggerExecutionContextHook(
92     tracing::ExecutionContext &executionContext);
93 
94 } // namespace mlir
95 
96 #endif // MLIR_SUPPORT_DEBUGGEREXECUTIONCONTEXTHOOK_H
97