tools/llvm-c-test/debuginfo.c

   1 /*===-- debuginfo.c - tool for testing libLLVM and llvm-c API -------------===*\
   2 |*                                                                            *|
   3 |* Part of the LLVM Project, under the Apache License v2.0 with LLVM          *|
   4 |* Exceptions.                                                                *|
   5 |* See https://llvm.org/LICENSE.txt for license information.                  *|
   6 |* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception                    *|
   7 |*                                                                            *|
   8 |*===----------------------------------------------------------------------===*|
   9 |*                                                                            *|
  10 |* Tests for the LLVM C DebugInfo API                                         *|
  11 |*                                                                            *|
  12 \*===----------------------------------------------------------------------===*/
  13
  14 #include "llvm-c-test.h"
  15 #include "llvm-c/Core.h"
  16 #include "llvm-c/DebugInfo.h"
  17 #include <stdio.h>
  18 #include <string.h>
  19
  20 static LLVMMetadataRef
  21 declare_objc_class(LLVMDIBuilderRef DIB, LLVMMetadataRef File) {
  22   LLVMMetadataRef Decl = LLVMDIBuilderCreateStructType(DIB, File, "TestClass", 9, File, 42, 64, 0, LLVMDIFlagObjcClassComplete, NULL, NULL, 0, 0, NULL, NULL, 0);
  23   LLVMMetadataRef SuperDecl = LLVMDIBuilderCreateStructType(DIB, File, "TestSuperClass", 14, File, 42, 64, 0, LLVMDIFlagObjcClassComplete, NULL, NULL, 0, 0, NULL, NULL, 0);
  24   LLVMDIBuilderCreateInheritance(DIB, Decl, SuperDecl, 0, 0, 0);
  25   LLVMMetadataRef TestProperty =
  26       LLVMDIBuilderCreateObjCProperty(DIB, "test", 4, File, 42, "getTest", 7, "setTest", 7, 0x20 /*copy*/ | 0x40 /*nonatomic*/, SuperDecl);
  27   LLVMDIBuilderCreateObjCIVar(DIB, "_test", 5, File, 42, 64, 0, 64, LLVMDIFlagPublic, SuperDecl, TestProperty);
  28   return Decl;
  29 }
  30
  31 int llvm_test_dibuilder(void) {
  32   const char *Filename = "debuginfo.c";
  33   LLVMModuleRef M = LLVMModuleCreateWithName(Filename);
  34   LLVMDIBuilderRef DIB = LLVMCreateDIBuilder(M);
  35
  36   LLVMMetadataRef File = LLVMDIBuilderCreateFile(DIB, Filename,
  37     strlen(Filename), ".", 1);
  38
  39   LLVMMetadataRef CompileUnit = LLVMDIBuilderCreateCompileUnit(DIB,
  40     LLVMDWARFSourceLanguageC, File, "llvm-c-test", 11, 0, NULL, 0, 0,
  41     NULL, 0, LLVMDWARFEmissionFull, 0, 0, 0);
  42
  43   LLVMMetadataRef Module =
  44     LLVMDIBuilderCreateModule(DIB, CompileUnit,
  45                               "llvm-c-test", 11,
  46                               "", 0,
  47                               "/test/include/llvm-c-test.h", 27,
  48                               "", 0);
  49
  50   LLVMMetadataRef OtherModule =
  51     LLVMDIBuilderCreateModule(DIB, CompileUnit,
  52                               "llvm-c-test-import", 18,
  53                               "", 0,
  54                               "/test/include/llvm-c-test-import.h", 34,
  55                               "", 0);
  56   LLVMMetadataRef ImportedModule =
  57     LLVMDIBuilderCreateImportedModuleFromModule(DIB, Module, OtherModule,
  58                                                 File, 42);
  59   LLVMDIBuilderCreateImportedModuleFromAlias(DIB, Module, ImportedModule,
  60                                              File, 42);
  61
  62   LLVMMetadataRef ClassTy = declare_objc_class(DIB, File);
  63   LLVMMetadataRef GlobalClassValueExpr =
  64       LLVMDIBuilderCreateConstantValueExpression(DIB, 0);
  65   LLVMDIBuilderCreateGlobalVariableExpression(
  66       DIB, Module, "globalClass", 11, "", 0, File, 1, ClassTy, true,
  67       GlobalClassValueExpr, NULL, 0);
  68
  69   LLVMMetadataRef Int64Ty =
  70       LLVMDIBuilderCreateBasicType(DIB, "Int64", 5, 64, 0, LLVMDIFlagZero);
  71   LLVMMetadataRef Int64TypeDef =
  72     LLVMDIBuilderCreateTypedef(DIB, Int64Ty, "int64_t", 7, File, 42, File);
  73
  74   LLVMMetadataRef GlobalVarValueExpr =
  75       LLVMDIBuilderCreateConstantValueExpression(DIB, 0);
  76   LLVMDIBuilderCreateGlobalVariableExpression(
  77       DIB, Module, "global", 6, "", 0, File, 1, Int64TypeDef, true,
  78       GlobalVarValueExpr, NULL, 0);
  79
  80   LLVMMetadataRef NameSpace =
  81       LLVMDIBuilderCreateNameSpace(DIB, Module, "NameSpace", 9, false);
  82
  83   LLVMMetadataRef StructDbgElts[] = {Int64Ty, Int64Ty, Int64Ty};
  84   LLVMMetadataRef StructDbgTy =
  85     LLVMDIBuilderCreateStructType(DIB, NameSpace, "MyStruct",
  86     8, File, 0, 192, 0, 0, NULL, StructDbgElts, 3,
  87     LLVMDWARFSourceLanguageC, NULL, "MyStruct", 8);
  88
  89   LLVMMetadataRef StructDbgPtrTy =
  90     LLVMDIBuilderCreatePointerType(DIB, StructDbgTy, 192, 0, 0, "", 0);
  91
  92   LLVMAddNamedMetadataOperand(M, "FooType",
  93     LLVMMetadataAsValue(LLVMGetModuleContext(M), StructDbgPtrTy));
  94
  95
  96   LLVMTypeRef FooParamTys[] = {
  97     LLVMInt64Type(),
  98     LLVMInt64Type(),
  99     LLVMVectorType(LLVMInt64Type(), 10),
 100   };
 101   LLVMTypeRef FooFuncTy = LLVMFunctionType(LLVMInt64Type(), FooParamTys, 3, 0);
 102   LLVMValueRef FooFunction = LLVMAddFunction(M, "foo", FooFuncTy);
 103   LLVMBasicBlockRef FooEntryBlock = LLVMAppendBasicBlock(FooFunction, "entry");
 104
 105   LLVMMetadataRef Subscripts[] = {
 106     LLVMDIBuilderGetOrCreateSubrange(DIB, 0, 10),
 107   };
 108   LLVMMetadataRef VectorTy =
 109     LLVMDIBuilderCreateVectorType(DIB, 64 * 10, 0,
 110                                   Int64Ty, Subscripts, 1);
 111
 112
 113   LLVMMetadataRef ParamTypes[] = {Int64Ty, Int64Ty, VectorTy};
 114   LLVMMetadataRef FunctionTy =
 115     LLVMDIBuilderCreateSubroutineType(DIB, File, ParamTypes, 3, 0);
 116
 117   LLVMMetadataRef ReplaceableFunctionMetadata =
 118     LLVMDIBuilderCreateReplaceableCompositeType(DIB, 0x15, "foo", 3,
 119                                                 File, File, 42,
 120                                                 0, 0, 0,
 121                                                 LLVMDIFlagFwdDecl,
 122                                                 "", 0);
 123
 124   LLVMMetadataRef FooParamLocation =
 125     LLVMDIBuilderCreateDebugLocation(LLVMGetGlobalContext(), 42, 0,
 126                                      ReplaceableFunctionMetadata, NULL);
 127   LLVMMetadataRef FunctionMetadata =
 128     LLVMDIBuilderCreateFunction(DIB, File, "foo", 3, "foo", 3,
 129                                 File, 42, FunctionTy, true, true,
 130                                 42, 0, false);
 131   LLVMMetadataReplaceAllUsesWith(ReplaceableFunctionMetadata, FunctionMetadata);
 132
 133   LLVMMetadataRef FooParamExpression =
 134     LLVMDIBuilderCreateExpression(DIB, NULL, 0);
 135   LLVMMetadataRef FooParamVar1 =
 136     LLVMDIBuilderCreateParameterVariable(DIB, FunctionMetadata, "a", 1, 1, File,
 137                                          42, Int64Ty, true, 0);
 138   LLVMDIBuilderInsertDeclareAtEnd(DIB, LLVMConstInt(LLVMInt64Type(), 0, false),
 139                                   FooParamVar1, FooParamExpression,
 140                                   FooParamLocation, FooEntryBlock);
 141   LLVMMetadataRef FooParamVar2 =
 142     LLVMDIBuilderCreateParameterVariable(DIB, FunctionMetadata, "b", 1, 2, File,
 143                                          42, Int64Ty, true, 0);
 144   LLVMDIBuilderInsertDeclareAtEnd(DIB, LLVMConstInt(LLVMInt64Type(), 0, false),
 145                                   FooParamVar2, FooParamExpression,
 146                                   FooParamLocation, FooEntryBlock);
 147   LLVMMetadataRef FooParamVar3 =
 148     LLVMDIBuilderCreateParameterVariable(DIB, FunctionMetadata, "c", 1, 3, File,
 149                                          42, VectorTy, true, 0);
 150   LLVMDIBuilderInsertDeclareAtEnd(DIB, LLVMConstInt(LLVMInt64Type(), 0, false),
 151                                   FooParamVar3, FooParamExpression,
 152                                   FooParamLocation, FooEntryBlock);
 153
 154   LLVMSetSubprogram(FooFunction, FunctionMetadata);
 155
 156   LLVMMetadataRef FooLexicalBlock =
 157     LLVMDIBuilderCreateLexicalBlock(DIB, FunctionMetadata, File, 42, 0);
 158
 159   LLVMBasicBlockRef FooVarBlock = LLVMAppendBasicBlock(FooFunction, "vars");
 160   LLVMMetadataRef FooVarsLocation =
 161     LLVMDIBuilderCreateDebugLocation(LLVMGetGlobalContext(), 43, 0,
 162                                      FunctionMetadata, NULL);
 163   LLVMMetadataRef FooVar1 =
 164     LLVMDIBuilderCreateAutoVariable(DIB, FooLexicalBlock, "d", 1, File,
 165                                     43, Int64Ty, true, 0, 0);
 166   LLVMValueRef FooVal1 = LLVMConstInt(LLVMInt64Type(), 0, false);
 167   LLVMMetadataRef FooVarValueExpr =
 168     LLVMDIBuilderCreateConstantValueExpression(DIB, 0);
 169
 170   LLVMDIBuilderInsertDbgValueAtEnd(DIB, FooVal1, FooVar1, FooVarValueExpr,
 171                                    FooVarsLocation, FooVarBlock);
 172
 173   LLVMDIBuilderFinalize(DIB);
 174
 175   char *MStr = LLVMPrintModuleToString(M);
 176   puts(MStr);
 177   LLVMDisposeMessage(MStr);
 178
 179   LLVMDisposeDIBuilder(DIB);
 180   LLVMDisposeModule(M);
 181
 182   return 0;
 183 }