Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1 | //===-- ClangExpressionDeclMap.cpp -----------------------------*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #include "lldb/Expression/ClangExpressionDeclMap.h" |
| 11 | |
| 12 | // C Includes |
| 13 | // C++ Includes |
| 14 | // Other libraries and framework includes |
| 15 | // Project includes |
Sean Callanan | 47a5c4c | 2010-09-23 03:01:22 +0000 | [diff] [blame] | 16 | #include "clang/AST/DeclarationName.h" |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 17 | #include "lldb/lldb-private.h" |
| 18 | #include "lldb/Core/Address.h" |
Sean Callanan | 810f22d | 2010-07-16 00:09:46 +0000 | [diff] [blame] | 19 | #include "lldb/Core/Error.h" |
Sean Callanan | 6184dfe | 2010-06-23 00:47:48 +0000 | [diff] [blame] | 20 | #include "lldb/Core/Log.h" |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 21 | #include "lldb/Core/Module.h" |
| 22 | #include "lldb/Expression/ClangASTSource.h" |
Sean Callanan | a48fe16 | 2010-08-11 03:57:18 +0000 | [diff] [blame] | 23 | #include "lldb/Expression/ClangPersistentVariables.h" |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 24 | #include "lldb/Symbol/ClangASTContext.h" |
| 25 | #include "lldb/Symbol/CompileUnit.h" |
| 26 | #include "lldb/Symbol/Function.h" |
| 27 | #include "lldb/Symbol/ObjectFile.h" |
| 28 | #include "lldb/Symbol/SymbolContext.h" |
| 29 | #include "lldb/Symbol/Type.h" |
| 30 | #include "lldb/Symbol/TypeList.h" |
| 31 | #include "lldb/Symbol/Variable.h" |
| 32 | #include "lldb/Symbol/VariableList.h" |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 33 | #include "lldb/Target/ExecutionContext.h" |
Sean Callanan | 810f22d | 2010-07-16 00:09:46 +0000 | [diff] [blame] | 34 | #include "lldb/Target/Process.h" |
Sean Callanan | 17c6a05 | 2010-10-05 20:18:48 +0000 | [diff] [blame] | 35 | #include "lldb/Target/RegisterContext.h" |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 36 | #include "lldb/Target/StackFrame.h" |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 37 | #include "lldb/Target/Target.h" |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 38 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 39 | using namespace lldb_private; |
| 40 | using namespace clang; |
| 41 | |
Sean Callanan | a48fe16 | 2010-08-11 03:57:18 +0000 | [diff] [blame] | 42 | ClangExpressionDeclMap::ClangExpressionDeclMap(ExecutionContext *exe_ctx) : |
| 43 | m_exe_ctx(exe_ctx), m_struct_laid_out(false), |
Sean Callanan | 810f22d | 2010-07-16 00:09:46 +0000 | [diff] [blame] | 44 | m_materialized_location(0) |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 45 | { |
| 46 | if (exe_ctx && exe_ctx->frame) |
| 47 | m_sym_ctx = new SymbolContext(exe_ctx->frame->GetSymbolContext(lldb::eSymbolContextEverything)); |
| 48 | else |
| 49 | m_sym_ctx = NULL; |
Sean Callanan | a48fe16 | 2010-08-11 03:57:18 +0000 | [diff] [blame] | 50 | |
| 51 | if (exe_ctx && exe_ctx->process) |
| 52 | m_persistent_vars = &exe_ctx->process->GetPersistentVariables(); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 53 | } |
| 54 | |
| 55 | ClangExpressionDeclMap::~ClangExpressionDeclMap() |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 56 | { |
| 57 | for (uint64_t entity_index = 0, num_entities = m_found_entities.Size(); |
| 58 | entity_index < num_entities; |
| 59 | ++entity_index) |
| 60 | { |
| 61 | ClangExpressionVariable &entity(m_found_entities.VariableAtIndex(entity_index)); |
| 62 | if (entity.m_parser_vars.get() && |
| 63 | entity.m_parser_vars->m_lldb_value) |
| 64 | delete entity.m_parser_vars->m_lldb_value; |
Sean Callanan | 45690fe | 2010-08-30 22:17:16 +0000 | [diff] [blame] | 65 | |
| 66 | entity.DisableParserVars(); |
| 67 | } |
| 68 | |
| 69 | for (uint64_t pvar_index = 0, num_pvars = m_persistent_vars->Size(); |
| 70 | pvar_index < num_pvars; |
| 71 | ++pvar_index) |
| 72 | { |
| 73 | ClangExpressionVariable &pvar(m_persistent_vars->VariableAtIndex(pvar_index)); |
| 74 | pvar.DisableParserVars(); |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 75 | } |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 76 | |
Sean Callanan | 7a60b94 | 2010-10-08 01:58:41 +0000 | [diff] [blame] | 77 | if (m_materialized_location) |
| 78 | { |
| 79 | m_exe_ctx->process->DeallocateMemory(m_materialized_location); |
| 80 | m_materialized_location = 0; |
| 81 | } |
| 82 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 83 | if (m_sym_ctx) |
| 84 | delete m_sym_ctx; |
| 85 | } |
| 86 | |
Sean Callanan | 8bce665 | 2010-07-13 21:41:46 +0000 | [diff] [blame] | 87 | // Interface for IRForTarget |
| 88 | |
Sean Callanan | 82b74c8 | 2010-08-12 01:56:52 +0000 | [diff] [blame] | 89 | void |
| 90 | ClangExpressionDeclMap::GetPersistentResultName (std::string &name) |
| 91 | { |
| 92 | m_persistent_vars->GetNextResultName(m_result_name); |
| 93 | |
| 94 | name = m_result_name; |
| 95 | } |
| 96 | |
Sean Callanan | 8bce665 | 2010-07-13 21:41:46 +0000 | [diff] [blame] | 97 | bool |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 98 | ClangExpressionDeclMap::AddPersistentVariable (const clang::NamedDecl *decl, |
| 99 | const char *name, |
| 100 | TypeFromParser parser_type) |
Sean Callanan | a48fe16 | 2010-08-11 03:57:18 +0000 | [diff] [blame] | 101 | { |
| 102 | clang::ASTContext *context(m_exe_ctx->target->GetScratchClangASTContext()->getASTContext()); |
| 103 | |
Sean Callanan | a48fe16 | 2010-08-11 03:57:18 +0000 | [diff] [blame] | 104 | TypeFromUser user_type(ClangASTContext::CopyType(context, |
Sean Callanan | 82b74c8 | 2010-08-12 01:56:52 +0000 | [diff] [blame] | 105 | parser_type.GetASTContext(), |
| 106 | parser_type.GetOpaqueQualType()), |
Sean Callanan | a48fe16 | 2010-08-11 03:57:18 +0000 | [diff] [blame] | 107 | context); |
| 108 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 109 | if (!m_persistent_vars->CreatePersistentVariable (name, user_type)) |
| 110 | return false; |
| 111 | |
| 112 | ClangExpressionVariable *var = m_persistent_vars->GetVariable(name); |
| 113 | |
| 114 | if (!var) |
| 115 | return false; |
| 116 | |
| 117 | var->EnableParserVars(); |
| 118 | |
| 119 | var->m_parser_vars->m_named_decl = decl; |
| 120 | var->m_parser_vars->m_parser_type = parser_type; |
| 121 | |
| 122 | return true; |
Sean Callanan | a48fe16 | 2010-08-11 03:57:18 +0000 | [diff] [blame] | 123 | } |
| 124 | |
| 125 | bool |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 126 | ClangExpressionDeclMap::AddValueToStruct (const clang::NamedDecl *decl, |
Sean Callanan | 45690fe | 2010-08-30 22:17:16 +0000 | [diff] [blame] | 127 | const char *name, |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 128 | llvm::Value *value, |
Sean Callanan | 8bce665 | 2010-07-13 21:41:46 +0000 | [diff] [blame] | 129 | size_t size, |
| 130 | off_t alignment) |
| 131 | { |
Sean Callanan | 45690fe | 2010-08-30 22:17:16 +0000 | [diff] [blame] | 132 | Log *log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS); |
| 133 | |
Sean Callanan | 8bce665 | 2010-07-13 21:41:46 +0000 | [diff] [blame] | 134 | m_struct_laid_out = false; |
| 135 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 136 | if (m_struct_members.GetVariable(decl)) |
| 137 | return true; |
Sean Callanan | 8bce665 | 2010-07-13 21:41:46 +0000 | [diff] [blame] | 138 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 139 | ClangExpressionVariable *var = m_found_entities.GetVariable(decl); |
Sean Callanan | 8bce665 | 2010-07-13 21:41:46 +0000 | [diff] [blame] | 140 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 141 | if (!var) |
| 142 | var = m_persistent_vars->GetVariable(decl); |
Sean Callanan | 8bce665 | 2010-07-13 21:41:46 +0000 | [diff] [blame] | 143 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 144 | if (!var) |
| 145 | return false; |
| 146 | |
Sean Callanan | 45690fe | 2010-08-30 22:17:16 +0000 | [diff] [blame] | 147 | if (log) |
| 148 | log->Printf("Adding value for decl %p [%s - %s] to the structure", |
| 149 | decl, |
| 150 | name, |
| 151 | var->m_name.c_str()); |
| 152 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 153 | // We know entity->m_parser_vars is valid because we used a parser variable |
| 154 | // to find it |
| 155 | var->m_parser_vars->m_llvm_value = value; |
| 156 | |
| 157 | var->EnableJITVars(); |
| 158 | var->m_jit_vars->m_alignment = alignment; |
| 159 | var->m_jit_vars->m_size = size; |
| 160 | |
| 161 | m_struct_members.AddVariable(*var); |
Sean Callanan | 8bce665 | 2010-07-13 21:41:46 +0000 | [diff] [blame] | 162 | |
| 163 | return true; |
| 164 | } |
| 165 | |
| 166 | bool |
| 167 | ClangExpressionDeclMap::DoStructLayout () |
| 168 | { |
| 169 | if (m_struct_laid_out) |
| 170 | return true; |
| 171 | |
Sean Callanan | 8bce665 | 2010-07-13 21:41:46 +0000 | [diff] [blame] | 172 | off_t cursor = 0; |
| 173 | |
| 174 | m_struct_alignment = 0; |
| 175 | m_struct_size = 0; |
| 176 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 177 | for (uint64_t member_index = 0, num_members = m_struct_members.Size(); |
| 178 | member_index < num_members; |
| 179 | ++member_index) |
Sean Callanan | 8bce665 | 2010-07-13 21:41:46 +0000 | [diff] [blame] | 180 | { |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 181 | ClangExpressionVariable &member(m_struct_members.VariableAtIndex(member_index)); |
Sean Callanan | 8bce665 | 2010-07-13 21:41:46 +0000 | [diff] [blame] | 182 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 183 | if (!member.m_jit_vars.get()) |
| 184 | return false; |
Sean Callanan | 8bce665 | 2010-07-13 21:41:46 +0000 | [diff] [blame] | 185 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 186 | if (member_index == 0) |
| 187 | m_struct_alignment = member.m_jit_vars->m_alignment; |
| 188 | |
| 189 | if (cursor % member.m_jit_vars->m_alignment) |
| 190 | cursor += (member.m_jit_vars->m_alignment - (cursor % member.m_jit_vars->m_alignment)); |
| 191 | |
| 192 | member.m_jit_vars->m_offset = cursor; |
| 193 | cursor += member.m_jit_vars->m_size; |
Sean Callanan | 8bce665 | 2010-07-13 21:41:46 +0000 | [diff] [blame] | 194 | } |
| 195 | |
| 196 | m_struct_size = cursor; |
| 197 | |
| 198 | m_struct_laid_out = true; |
| 199 | return true; |
| 200 | } |
| 201 | |
| 202 | bool ClangExpressionDeclMap::GetStructInfo (uint32_t &num_elements, |
| 203 | size_t &size, |
| 204 | off_t &alignment) |
| 205 | { |
| 206 | if (!m_struct_laid_out) |
| 207 | return false; |
| 208 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 209 | num_elements = m_struct_members.Size(); |
Sean Callanan | 8bce665 | 2010-07-13 21:41:46 +0000 | [diff] [blame] | 210 | size = m_struct_size; |
| 211 | alignment = m_struct_alignment; |
| 212 | |
| 213 | return true; |
| 214 | } |
| 215 | |
| 216 | bool |
| 217 | ClangExpressionDeclMap::GetStructElement (const clang::NamedDecl *&decl, |
| 218 | llvm::Value *&value, |
| 219 | off_t &offset, |
Sean Callanan | 45690fe | 2010-08-30 22:17:16 +0000 | [diff] [blame] | 220 | const char *&name, |
Sean Callanan | 8bce665 | 2010-07-13 21:41:46 +0000 | [diff] [blame] | 221 | uint32_t index) |
| 222 | { |
| 223 | if (!m_struct_laid_out) |
| 224 | return false; |
| 225 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 226 | if (index >= m_struct_members.Size()) |
Sean Callanan | 8bce665 | 2010-07-13 21:41:46 +0000 | [diff] [blame] | 227 | return false; |
| 228 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 229 | ClangExpressionVariable &member(m_struct_members.VariableAtIndex(index)); |
Sean Callanan | 8bce665 | 2010-07-13 21:41:46 +0000 | [diff] [blame] | 230 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 231 | if (!member.m_parser_vars.get() || |
| 232 | !member.m_jit_vars.get()) |
| 233 | return false; |
| 234 | |
| 235 | decl = member.m_parser_vars->m_named_decl; |
| 236 | value = member.m_parser_vars->m_llvm_value; |
| 237 | offset = member.m_jit_vars->m_offset; |
Sean Callanan | 45690fe | 2010-08-30 22:17:16 +0000 | [diff] [blame] | 238 | name = member.m_name.c_str(); |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 239 | |
Sean Callanan | 8bce665 | 2010-07-13 21:41:46 +0000 | [diff] [blame] | 240 | return true; |
| 241 | } |
| 242 | |
Sean Callanan | 02fbafa | 2010-07-27 21:39:39 +0000 | [diff] [blame] | 243 | bool |
| 244 | ClangExpressionDeclMap::GetFunctionInfo (const clang::NamedDecl *decl, |
| 245 | llvm::Value**& value, |
| 246 | uint64_t &ptr) |
Sean Callanan | ba992c5 | 2010-07-27 02:07:53 +0000 | [diff] [blame] | 247 | { |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 248 | ClangExpressionVariable *entity = m_found_entities.GetVariable(decl); |
| 249 | |
| 250 | if (!entity) |
| 251 | return false; |
Sean Callanan | ba992c5 | 2010-07-27 02:07:53 +0000 | [diff] [blame] | 252 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 253 | // We know m_parser_vars is valid since we searched for the variable by |
| 254 | // its NamedDecl |
Sean Callanan | ba992c5 | 2010-07-27 02:07:53 +0000 | [diff] [blame] | 255 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 256 | value = &entity->m_parser_vars->m_llvm_value; |
| 257 | ptr = entity->m_parser_vars->m_lldb_value->GetScalar().ULongLong(); |
| 258 | |
| 259 | return true; |
Sean Callanan | ba992c5 | 2010-07-27 02:07:53 +0000 | [diff] [blame] | 260 | } |
| 261 | |
Sean Callanan | f5857a0 | 2010-07-31 01:32:05 +0000 | [diff] [blame] | 262 | bool |
| 263 | ClangExpressionDeclMap::GetFunctionAddress (const char *name, |
| 264 | uint64_t &ptr) |
| 265 | { |
| 266 | // Back out in all cases where we're not fully initialized |
| 267 | if (!m_exe_ctx || !m_exe_ctx->frame || !m_sym_ctx) |
| 268 | return false; |
| 269 | |
| 270 | ConstString name_cs(name); |
| 271 | SymbolContextList sym_ctxs; |
| 272 | |
| 273 | m_sym_ctx->FindFunctionsByName(name_cs, false, sym_ctxs); |
| 274 | |
| 275 | if (!sym_ctxs.GetSize()) |
| 276 | return false; |
| 277 | |
| 278 | SymbolContext sym_ctx; |
| 279 | sym_ctxs.GetContextAtIndex(0, sym_ctx); |
| 280 | |
| 281 | const Address *fun_address; |
| 282 | |
| 283 | if (sym_ctx.function) |
| 284 | fun_address = &sym_ctx.function->GetAddressRange().GetBaseAddress(); |
| 285 | else if (sym_ctx.symbol) |
| 286 | fun_address = &sym_ctx.symbol->GetAddressRangeRef().GetBaseAddress(); |
| 287 | else |
| 288 | return false; |
| 289 | |
Greg Clayton | eea2640 | 2010-09-14 23:36:40 +0000 | [diff] [blame] | 290 | ptr = fun_address->GetLoadAddress(m_exe_ctx->target); |
Sean Callanan | f5857a0 | 2010-07-31 01:32:05 +0000 | [diff] [blame] | 291 | |
| 292 | return true; |
| 293 | } |
| 294 | |
Sean Callanan | 810f22d | 2010-07-16 00:09:46 +0000 | [diff] [blame] | 295 | // Interface for CommandObjectExpression |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 296 | |
| 297 | bool |
| 298 | ClangExpressionDeclMap::Materialize (ExecutionContext *exe_ctx, |
| 299 | lldb::addr_t &struct_address, |
| 300 | Error &err) |
| 301 | { |
| 302 | bool result = DoMaterialize(false, exe_ctx, NULL, err); |
| 303 | |
| 304 | if (result) |
| 305 | struct_address = m_materialized_location; |
| 306 | |
| 307 | return result; |
| 308 | } |
| 309 | |
| 310 | bool |
Sean Callanan | 3c9c5eb | 2010-09-21 00:44:12 +0000 | [diff] [blame] | 311 | ClangExpressionDeclMap::GetObjectPointer(lldb::addr_t &object_ptr, |
| 312 | ExecutionContext *exe_ctx, |
| 313 | Error &err) |
| 314 | { |
| 315 | if (!exe_ctx || !exe_ctx->frame || !exe_ctx->target || !exe_ctx->process) |
| 316 | { |
| 317 | err.SetErrorString("Couldn't load 'this' because the context is incomplete"); |
| 318 | return false; |
| 319 | } |
| 320 | |
| 321 | if (!m_object_pointer_type.GetOpaqueQualType()) |
| 322 | { |
| 323 | err.SetErrorString("Couldn't load 'this' because its type is unknown"); |
| 324 | return false; |
| 325 | } |
| 326 | |
| 327 | Variable *object_ptr_var = FindVariableInScope(*exe_ctx->frame, "this", &m_object_pointer_type); |
| 328 | |
| 329 | if (!object_ptr_var) |
| 330 | { |
| 331 | err.SetErrorString("Couldn't find 'this' with appropriate type in scope"); |
| 332 | return false; |
| 333 | } |
| 334 | |
| 335 | std::auto_ptr<lldb_private::Value> location_value(GetVariableValue(*exe_ctx, |
| 336 | object_ptr_var, |
| 337 | m_object_pointer_type.GetASTContext())); |
| 338 | |
| 339 | if (!location_value.get()) |
| 340 | { |
| 341 | err.SetErrorString("Couldn't get the location for 'this'"); |
| 342 | return false; |
| 343 | } |
| 344 | |
| 345 | if (location_value->GetValueType() == Value::eValueTypeLoadAddress) |
| 346 | { |
| 347 | lldb::addr_t value_addr = location_value->GetScalar().ULongLong(); |
| 348 | uint32_t address_byte_size = exe_ctx->target->GetArchitecture().GetAddressByteSize(); |
| 349 | lldb::ByteOrder address_byte_order = exe_ctx->process->GetByteOrder(); |
| 350 | |
| 351 | if (ClangASTType::GetClangTypeBitWidth(m_object_pointer_type.GetASTContext(), m_object_pointer_type.GetOpaqueQualType()) != address_byte_size * 8) |
| 352 | { |
| 353 | err.SetErrorStringWithFormat("'this' is not of an expected pointer size"); |
| 354 | return false; |
| 355 | } |
| 356 | |
| 357 | DataBufferHeap data; |
| 358 | data.SetByteSize(address_byte_size); |
| 359 | Error read_error; |
| 360 | |
| 361 | if (exe_ctx->process->ReadMemory (value_addr, data.GetBytes(), address_byte_size, read_error) != address_byte_size) |
| 362 | { |
| 363 | err.SetErrorStringWithFormat("Coldn't read 'this' from the target: %s", read_error.AsCString()); |
| 364 | return false; |
| 365 | } |
| 366 | |
| 367 | DataExtractor extractor(data.GetBytes(), data.GetByteSize(), address_byte_order, address_byte_size); |
| 368 | |
| 369 | uint32_t offset = 0; |
| 370 | |
| 371 | object_ptr = extractor.GetPointer(&offset); |
| 372 | |
| 373 | return true; |
| 374 | } |
| 375 | else |
| 376 | { |
| 377 | err.SetErrorString("'this' is not in memory; LLDB must be extended to handle registers"); |
| 378 | return false; |
| 379 | } |
| 380 | } |
| 381 | |
| 382 | bool |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 383 | ClangExpressionDeclMap::Dematerialize (ExecutionContext *exe_ctx, |
Sean Callanan | a622343 | 2010-08-20 01:02:30 +0000 | [diff] [blame] | 384 | ClangExpressionVariable *&result, |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 385 | Error &err) |
| 386 | { |
Sean Callanan | 82b74c8 | 2010-08-12 01:56:52 +0000 | [diff] [blame] | 387 | return DoMaterialize(true, exe_ctx, &result, err); |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 388 | } |
| 389 | |
Sean Callanan | 32824aa | 2010-07-23 22:19:18 +0000 | [diff] [blame] | 390 | bool |
| 391 | ClangExpressionDeclMap::DumpMaterializedStruct(ExecutionContext *exe_ctx, |
| 392 | Stream &s, |
| 393 | Error &err) |
| 394 | { |
| 395 | if (!m_struct_laid_out) |
| 396 | { |
| 397 | err.SetErrorString("Structure hasn't been laid out yet"); |
| 398 | return false; |
| 399 | } |
| 400 | |
| 401 | if (!exe_ctx) |
| 402 | { |
| 403 | err.SetErrorString("Received null execution context"); |
| 404 | return false; |
| 405 | } |
| 406 | |
| 407 | |
| 408 | if (!exe_ctx->process) |
| 409 | { |
| 410 | err.SetErrorString("Couldn't find the process"); |
| 411 | return false; |
| 412 | } |
| 413 | |
| 414 | if (!exe_ctx->target) |
| 415 | { |
| 416 | err.SetErrorString("Couldn't find the target"); |
| 417 | return false; |
| 418 | } |
| 419 | |
| 420 | lldb::DataBufferSP data(new DataBufferHeap(m_struct_size, 0)); |
| 421 | |
| 422 | Error error; |
| 423 | if (exe_ctx->process->ReadMemory (m_materialized_location, data->GetBytes(), data->GetByteSize(), error) != data->GetByteSize()) |
| 424 | { |
| 425 | err.SetErrorStringWithFormat ("Couldn't read struct from the target: %s", error.AsCString()); |
| 426 | return false; |
| 427 | } |
| 428 | |
| 429 | DataExtractor extractor(data, exe_ctx->process->GetByteOrder(), exe_ctx->target->GetArchitecture().GetAddressByteSize()); |
| 430 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 431 | for (uint64_t member_index = 0, num_members = m_struct_members.Size(); |
| 432 | member_index < num_members; |
| 433 | ++member_index) |
Sean Callanan | 32824aa | 2010-07-23 22:19:18 +0000 | [diff] [blame] | 434 | { |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 435 | ClangExpressionVariable &member (m_struct_members.VariableAtIndex(member_index)); |
Sean Callanan | 32824aa | 2010-07-23 22:19:18 +0000 | [diff] [blame] | 436 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 437 | s.Printf("[%s]\n", member.m_name.c_str()); |
| 438 | |
| 439 | if (!member.m_jit_vars.get()) |
| 440 | return false; |
| 441 | |
| 442 | extractor.Dump(&s, // stream |
| 443 | member.m_jit_vars->m_offset, // offset |
| 444 | lldb::eFormatBytesWithASCII, // format |
| 445 | 1, // byte size of individual entries |
| 446 | member.m_jit_vars->m_size, // number of entries |
| 447 | 16, // entries per line |
| 448 | m_materialized_location + member.m_jit_vars->m_offset, // address to print |
| 449 | 0, // bit size (bitfields only; 0 means ignore) |
| 450 | 0); // bit alignment (bitfields only; 0 means ignore) |
Sean Callanan | 32824aa | 2010-07-23 22:19:18 +0000 | [diff] [blame] | 451 | |
| 452 | s.PutChar('\n'); |
| 453 | } |
| 454 | |
| 455 | return true; |
| 456 | } |
| 457 | |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 458 | bool |
| 459 | ClangExpressionDeclMap::DoMaterialize (bool dematerialize, |
| 460 | ExecutionContext *exe_ctx, |
Sean Callanan | a622343 | 2010-08-20 01:02:30 +0000 | [diff] [blame] | 461 | ClangExpressionVariable **result, |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 462 | Error &err) |
Sean Callanan | 810f22d | 2010-07-16 00:09:46 +0000 | [diff] [blame] | 463 | { |
Sean Callanan | 336a000 | 2010-07-17 00:43:37 +0000 | [diff] [blame] | 464 | Log *log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS); |
Sean Callanan | 82b74c8 | 2010-08-12 01:56:52 +0000 | [diff] [blame] | 465 | |
Sean Callanan | 810f22d | 2010-07-16 00:09:46 +0000 | [diff] [blame] | 466 | if (!m_struct_laid_out) |
| 467 | { |
| 468 | err.SetErrorString("Structure hasn't been laid out yet"); |
| 469 | return LLDB_INVALID_ADDRESS; |
| 470 | } |
| 471 | |
Sean Callanan | 810f22d | 2010-07-16 00:09:46 +0000 | [diff] [blame] | 472 | if (!exe_ctx) |
| 473 | { |
| 474 | err.SetErrorString("Received null execution context"); |
| 475 | return LLDB_INVALID_ADDRESS; |
| 476 | } |
| 477 | |
Sean Callanan | 4583927 | 2010-07-24 01:37:44 +0000 | [diff] [blame] | 478 | if (!exe_ctx->frame) |
| 479 | { |
| 480 | err.SetErrorString("Received null execution frame"); |
| 481 | return LLDB_INVALID_ADDRESS; |
| 482 | } |
| 483 | |
Sean Callanan | e8a59a8 | 2010-09-13 21:34:21 +0000 | [diff] [blame] | 484 | if (!m_struct_size) |
| 485 | { |
| 486 | if (log) |
| 487 | log->PutCString("Not bothering to allocate a struct because no arguments are needed"); |
| 488 | |
| 489 | m_allocated_area = NULL; |
| 490 | |
| 491 | return true; |
| 492 | } |
| 493 | |
Sean Callanan | 810f22d | 2010-07-16 00:09:46 +0000 | [diff] [blame] | 494 | const SymbolContext &sym_ctx(exe_ctx->frame->GetSymbolContext(lldb::eSymbolContextEverything)); |
| 495 | |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 496 | if (!dematerialize) |
Sean Callanan | 810f22d | 2010-07-16 00:09:46 +0000 | [diff] [blame] | 497 | { |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 498 | if (m_materialized_location) |
| 499 | { |
| 500 | exe_ctx->process->DeallocateMemory(m_materialized_location); |
| 501 | m_materialized_location = 0; |
| 502 | } |
| 503 | |
Sean Callanan | 7a60b94 | 2010-10-08 01:58:41 +0000 | [diff] [blame] | 504 | if (log) |
| 505 | log->PutCString("Allocating memory for materialized argument struct"); |
| 506 | |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 507 | lldb::addr_t mem = exe_ctx->process->AllocateMemory(m_struct_alignment + m_struct_size, |
| 508 | lldb::ePermissionsReadable | lldb::ePermissionsWritable, |
| 509 | err); |
| 510 | |
| 511 | if (mem == LLDB_INVALID_ADDRESS) |
| 512 | return false; |
| 513 | |
| 514 | m_allocated_area = mem; |
Sean Callanan | 810f22d | 2010-07-16 00:09:46 +0000 | [diff] [blame] | 515 | } |
| 516 | |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 517 | m_materialized_location = m_allocated_area; |
| 518 | |
| 519 | if (m_materialized_location % m_struct_alignment) |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 520 | m_materialized_location += (m_struct_alignment - (m_materialized_location % m_struct_alignment)); |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 521 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 522 | for (uint64_t member_index = 0, num_members = m_struct_members.Size(); |
| 523 | member_index < num_members; |
| 524 | ++member_index) |
Sean Callanan | 810f22d | 2010-07-16 00:09:46 +0000 | [diff] [blame] | 525 | { |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 526 | ClangExpressionVariable &member (m_struct_members.VariableAtIndex(member_index)); |
Sean Callanan | 810f22d | 2010-07-16 00:09:46 +0000 | [diff] [blame] | 527 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 528 | if (!member.m_parser_vars.get()) |
Sean Callanan | 336a000 | 2010-07-17 00:43:37 +0000 | [diff] [blame] | 529 | return false; |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 530 | |
| 531 | ClangExpressionVariable *entity = m_found_entities.GetVariable(member.m_parser_vars->m_named_decl); |
| 532 | ClangExpressionVariable *persistent_variable = m_persistent_vars->GetVariable(member.m_name.c_str()); |
| 533 | |
| 534 | if (entity) |
| 535 | { |
| 536 | if (!member.m_jit_vars.get()) |
| 537 | return false; |
| 538 | |
| 539 | if (!DoMaterializeOneVariable(dematerialize, *exe_ctx, sym_ctx, member.m_name.c_str(), member.m_user_type, m_materialized_location + member.m_jit_vars->m_offset, err)) |
| 540 | return false; |
| 541 | } |
| 542 | else if (persistent_variable) |
| 543 | { |
Sean Callanan | 45690fe | 2010-08-30 22:17:16 +0000 | [diff] [blame] | 544 | if (!member.m_name.compare(m_result_name)) |
| 545 | { |
| 546 | if (!dematerialize) |
| 547 | continue; |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 548 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 549 | if (log) |
| 550 | log->PutCString("Found result member in the struct"); |
Sean Callanan | 45690fe | 2010-08-30 22:17:16 +0000 | [diff] [blame] | 551 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 552 | *result = &member; |
| 553 | } |
| 554 | |
Sean Callanan | 45690fe | 2010-08-30 22:17:16 +0000 | [diff] [blame] | 555 | if (log) |
| 556 | log->Printf("Searched for persistent variable %s and found %s", member.m_name.c_str(), persistent_variable->m_name.c_str()); |
| 557 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 558 | if (!DoMaterializeOnePersistentVariable(dematerialize, *exe_ctx, persistent_variable->m_name.c_str(), m_materialized_location + member.m_jit_vars->m_offset, err)) |
| 559 | return false; |
| 560 | } |
| 561 | else |
| 562 | { |
| 563 | err.SetErrorStringWithFormat("Unexpected variable %s", member.m_name.c_str()); |
| 564 | return false; |
| 565 | } |
Sean Callanan | 810f22d | 2010-07-16 00:09:46 +0000 | [diff] [blame] | 566 | } |
| 567 | |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 568 | return true; |
| 569 | } |
| 570 | |
Sean Callanan | a48fe16 | 2010-08-11 03:57:18 +0000 | [diff] [blame] | 571 | bool |
| 572 | ClangExpressionDeclMap::DoMaterializeOnePersistentVariable(bool dematerialize, |
| 573 | ExecutionContext &exe_ctx, |
| 574 | const char *name, |
| 575 | lldb::addr_t addr, |
| 576 | Error &err) |
Sean Callanan | 45690fe | 2010-08-30 22:17:16 +0000 | [diff] [blame] | 577 | { |
Sean Callanan | a622343 | 2010-08-20 01:02:30 +0000 | [diff] [blame] | 578 | ClangExpressionVariable *pvar(m_persistent_vars->GetVariable(name)); |
Sean Callanan | a48fe16 | 2010-08-11 03:57:18 +0000 | [diff] [blame] | 579 | |
| 580 | if (!pvar) |
| 581 | { |
| 582 | err.SetErrorStringWithFormat("Undefined persistent variable %s", name); |
| 583 | return LLDB_INVALID_ADDRESS; |
| 584 | } |
| 585 | |
| 586 | size_t pvar_size = pvar->Size(); |
Sean Callanan | a622343 | 2010-08-20 01:02:30 +0000 | [diff] [blame] | 587 | |
Greg Clayton | 66ed2fb | 2010-10-05 00:00:42 +0000 | [diff] [blame] | 588 | if (!pvar->m_data_sp.get()) |
Sean Callanan | a622343 | 2010-08-20 01:02:30 +0000 | [diff] [blame] | 589 | return false; |
| 590 | |
Greg Clayton | 66ed2fb | 2010-10-05 00:00:42 +0000 | [diff] [blame] | 591 | uint8_t *pvar_data = pvar->m_data_sp->GetBytes(); |
Sean Callanan | a48fe16 | 2010-08-11 03:57:18 +0000 | [diff] [blame] | 592 | Error error; |
| 593 | |
| 594 | if (dematerialize) |
| 595 | { |
| 596 | if (exe_ctx.process->ReadMemory (addr, pvar_data, pvar_size, error) != pvar_size) |
| 597 | { |
| 598 | err.SetErrorStringWithFormat ("Couldn't read a composite type from the target: %s", error.AsCString()); |
| 599 | return false; |
| 600 | } |
| 601 | } |
| 602 | else |
| 603 | { |
| 604 | if (exe_ctx.process->WriteMemory (addr, pvar_data, pvar_size, error) != pvar_size) |
| 605 | { |
| 606 | err.SetErrorStringWithFormat ("Couldn't write a composite type to the target: %s", error.AsCString()); |
| 607 | return false; |
| 608 | } |
| 609 | } |
| 610 | |
| 611 | return true; |
| 612 | } |
| 613 | |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 614 | bool |
| 615 | ClangExpressionDeclMap::DoMaterializeOneVariable(bool dematerialize, |
| 616 | ExecutionContext &exe_ctx, |
| 617 | const SymbolContext &sym_ctx, |
| 618 | const char *name, |
| 619 | TypeFromUser type, |
| 620 | lldb::addr_t addr, |
| 621 | Error &err) |
| 622 | { |
| 623 | Log *log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS); |
| 624 | |
Sean Callanan | 17c6a05 | 2010-10-05 20:18:48 +0000 | [diff] [blame] | 625 | if (!exe_ctx.frame || !exe_ctx.process) |
Sean Callanan | cc07462 | 2010-09-14 21:59:34 +0000 | [diff] [blame] | 626 | return false; |
| 627 | |
| 628 | Variable *var = FindVariableInScope(*exe_ctx.frame, name, &type); |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 629 | |
| 630 | if (!var) |
| 631 | { |
| 632 | err.SetErrorStringWithFormat("Couldn't find %s with appropriate type", name); |
| 633 | return false; |
| 634 | } |
| 635 | |
Sean Callanan | 841026f | 2010-07-23 00:16:21 +0000 | [diff] [blame] | 636 | if (log) |
| 637 | log->Printf("%s %s with type %p", (dematerialize ? "Dematerializing" : "Materializing"), name, type.GetOpaqueQualType()); |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 638 | |
| 639 | std::auto_ptr<lldb_private::Value> location_value(GetVariableValue(exe_ctx, |
| 640 | var, |
| 641 | type.GetASTContext())); |
| 642 | |
| 643 | if (!location_value.get()) |
| 644 | { |
| 645 | err.SetErrorStringWithFormat("Couldn't get value for %s", name); |
| 646 | return false; |
| 647 | } |
Sean Callanan | 17c6a05 | 2010-10-05 20:18:48 +0000 | [diff] [blame] | 648 | |
| 649 | // The size of the type contained in addr |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 650 | |
Sean Callanan | 17c6a05 | 2010-10-05 20:18:48 +0000 | [diff] [blame] | 651 | size_t addr_bit_size = ClangASTType::GetClangTypeBitWidth(type.GetASTContext(), type.GetOpaqueQualType()); |
| 652 | size_t addr_byte_size = addr_bit_size % 8 ? ((addr_bit_size + 8) / 8) : (addr_bit_size / 8); |
| 653 | |
| 654 | Value::ValueType value_type = location_value->GetValueType(); |
| 655 | |
| 656 | switch (value_type) |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 657 | { |
Sean Callanan | 17c6a05 | 2010-10-05 20:18:48 +0000 | [diff] [blame] | 658 | default: |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 659 | { |
Sean Callanan | 17c6a05 | 2010-10-05 20:18:48 +0000 | [diff] [blame] | 660 | StreamString ss; |
| 661 | |
| 662 | location_value->Dump(&ss); |
| 663 | |
| 664 | err.SetErrorStringWithFormat("%s has a value of unhandled type: %s", name, ss.GetString().c_str()); |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 665 | return false; |
| 666 | } |
Sean Callanan | 17c6a05 | 2010-10-05 20:18:48 +0000 | [diff] [blame] | 667 | break; |
| 668 | case Value::eValueTypeLoadAddress: |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 669 | { |
Sean Callanan | 17c6a05 | 2010-10-05 20:18:48 +0000 | [diff] [blame] | 670 | lldb::addr_t value_addr = location_value->GetScalar().ULongLong(); |
| 671 | |
| 672 | DataBufferHeap data; |
| 673 | data.SetByteSize(addr_byte_size); |
| 674 | |
| 675 | lldb::addr_t src_addr; |
| 676 | lldb::addr_t dest_addr; |
| 677 | |
| 678 | if (dematerialize) |
| 679 | { |
| 680 | src_addr = addr; |
| 681 | dest_addr = value_addr; |
| 682 | } |
| 683 | else |
| 684 | { |
| 685 | src_addr = value_addr; |
| 686 | dest_addr = addr; |
| 687 | } |
| 688 | |
| 689 | Error error; |
| 690 | if (exe_ctx.process->ReadMemory (src_addr, data.GetBytes(), addr_byte_size, error) != addr_byte_size) |
| 691 | { |
| 692 | err.SetErrorStringWithFormat ("Couldn't read %s from the target: %s", name, error.AsCString()); |
| 693 | return false; |
| 694 | } |
| 695 | |
| 696 | if (exe_ctx.process->WriteMemory (dest_addr, data.GetBytes(), addr_byte_size, error) != addr_byte_size) |
| 697 | { |
| 698 | err.SetErrorStringWithFormat ("Couldn't write %s to the target: %s", name, error.AsCString()); |
| 699 | return false; |
| 700 | } |
| 701 | |
| 702 | if (log) |
| 703 | log->Printf("Copied from 0x%llx to 0x%llx", (uint64_t)src_addr, (uint64_t)addr); |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 704 | } |
Sean Callanan | 17c6a05 | 2010-10-05 20:18:48 +0000 | [diff] [blame] | 705 | break; |
| 706 | case Value::eValueTypeScalar: |
| 707 | { |
| 708 | if (location_value->GetContextType() != Value::eContextTypeDCRegisterInfo) |
| 709 | { |
| 710 | StreamString ss; |
| 711 | |
| 712 | location_value->Dump(&ss); |
| 713 | |
| 714 | err.SetErrorStringWithFormat("%s is a scalar of unhandled type: %s", name, ss.GetString().c_str()); |
| 715 | return false; |
| 716 | } |
| 717 | |
| 718 | lldb::RegisterInfo *register_info = location_value->GetRegisterInfo(); |
| 719 | |
| 720 | if (!register_info) |
| 721 | { |
| 722 | err.SetErrorStringWithFormat("Couldn't get the register information for %s", name); |
| 723 | return false; |
| 724 | } |
| 725 | |
| 726 | RegisterContext *register_context = exe_ctx.GetRegisterContext(); |
| 727 | |
| 728 | if (!register_context) |
| 729 | { |
| 730 | err.SetErrorStringWithFormat("Couldn't read register context to read %s from %s", name, register_info->name); |
| 731 | return false; |
| 732 | } |
| 733 | |
| 734 | uint32_t register_number = register_info->kinds[lldb::eRegisterKindLLDB]; |
| 735 | uint32_t register_byte_size = register_info->byte_size; |
| 736 | |
| 737 | if (dematerialize) |
| 738 | { |
| 739 | // Moving from addr into a register |
| 740 | // |
| 741 | // Case 1: addr_byte_size and register_byte_size are the same |
| 742 | // |
| 743 | // |AABBCCDD| Address contents |
| 744 | // |AABBCCDD| Register contents |
| 745 | // |
| 746 | // Case 2: addr_byte_size is bigger than register_byte_size |
| 747 | // |
| 748 | // Error! (The register should always be big enough to hold the data) |
| 749 | // |
| 750 | // Case 3: register_byte_size is bigger than addr_byte_size |
| 751 | // |
| 752 | // |AABB| Address contents |
| 753 | // |AABB0000| Register contents [on little-endian hardware] |
| 754 | // |0000AABB| Register contents [on big-endian hardware] |
| 755 | |
| 756 | if (addr_byte_size > register_byte_size) |
| 757 | { |
| 758 | err.SetErrorStringWithFormat("%s is too big to store in %s", name, register_info->name); |
| 759 | return false; |
| 760 | } |
| 761 | |
| 762 | uint32_t register_offset; |
| 763 | |
| 764 | switch (exe_ctx.process->GetByteOrder()) |
| 765 | { |
| 766 | default: |
| 767 | err.SetErrorStringWithFormat("%s is stored with an unhandled byte order", name); |
| 768 | return false; |
| 769 | case lldb::eByteOrderLittle: |
| 770 | register_offset = 0; |
| 771 | break; |
| 772 | case lldb::eByteOrderBig: |
| 773 | register_offset = register_byte_size - addr_byte_size; |
| 774 | break; |
| 775 | } |
| 776 | |
| 777 | DataBufferHeap register_data (register_byte_size, 0); |
| 778 | |
| 779 | Error error; |
| 780 | if (exe_ctx.process->ReadMemory (addr, register_data.GetBytes() + register_offset, addr_byte_size, error) != addr_byte_size) |
| 781 | { |
| 782 | err.SetErrorStringWithFormat ("Couldn't read %s from the target: %s", name, error.AsCString()); |
| 783 | return false; |
| 784 | } |
| 785 | |
| 786 | DataExtractor register_extractor (register_data.GetBytes(), register_byte_size, exe_ctx.process->GetByteOrder(), exe_ctx.process->GetAddressByteSize()); |
| 787 | |
| 788 | if (!register_context->WriteRegisterBytes(register_number, register_extractor, 0)) |
| 789 | { |
| 790 | err.SetErrorStringWithFormat("Couldn't read %s from %s", name, register_info->name); |
| 791 | return false; |
| 792 | } |
| 793 | } |
| 794 | else |
| 795 | { |
| 796 | // Moving from a register into addr |
| 797 | // |
| 798 | // Case 1: addr_byte_size and register_byte_size are the same |
| 799 | // |
| 800 | // |AABBCCDD| Register contents |
| 801 | // |AABBCCDD| Address contents |
| 802 | // |
| 803 | // Case 2: addr_byte_size is bigger than register_byte_size |
| 804 | // |
| 805 | // Error! (The register should always be big enough to hold the data) |
| 806 | // |
| 807 | // Case 3: register_byte_size is bigger than addr_byte_size |
| 808 | // |
| 809 | // |AABBCCDD| Register contents |
| 810 | // |AABB| Address contents on little-endian hardware |
| 811 | // |CCDD| Address contents on big-endian hardware |
| 812 | |
| 813 | if (addr_byte_size > register_byte_size) |
| 814 | { |
| 815 | err.SetErrorStringWithFormat("%s is too big to store in %s", name, register_info->name); |
| 816 | return false; |
| 817 | } |
| 818 | |
| 819 | uint32_t register_offset; |
| 820 | |
| 821 | switch (exe_ctx.process->GetByteOrder()) |
| 822 | { |
| 823 | default: |
| 824 | err.SetErrorStringWithFormat("%s is stored with an unhandled byte order", name); |
| 825 | return false; |
| 826 | case lldb::eByteOrderLittle: |
| 827 | register_offset = 0; |
| 828 | break; |
| 829 | case lldb::eByteOrderBig: |
| 830 | register_offset = register_byte_size - addr_byte_size; |
| 831 | break; |
| 832 | } |
| 833 | |
| 834 | DataExtractor register_extractor; |
| 835 | |
| 836 | if (!register_context->ReadRegisterBytes(register_number, register_extractor)) |
| 837 | { |
| 838 | err.SetErrorStringWithFormat("Couldn't read %s from %s", name, register_info->name); |
| 839 | return false; |
| 840 | } |
| 841 | |
| 842 | const void *register_data = register_extractor.GetData(®ister_offset, addr_byte_size); |
| 843 | |
| 844 | if (!register_data) |
| 845 | { |
| 846 | err.SetErrorStringWithFormat("Read but couldn't extract data for %s from %s", name, register_info->name); |
| 847 | return false; |
| 848 | } |
| 849 | |
| 850 | Error error; |
| 851 | if (exe_ctx.process->WriteMemory (addr, register_data, addr_byte_size, error) != addr_byte_size) |
| 852 | { |
| 853 | err.SetErrorStringWithFormat ("Couldn't write %s to the target: %s", error.AsCString()); |
| 854 | return false; |
| 855 | } |
| 856 | } |
| 857 | } |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 858 | } |
| 859 | |
| 860 | return true; |
Sean Callanan | 810f22d | 2010-07-16 00:09:46 +0000 | [diff] [blame] | 861 | } |
| 862 | |
Sean Callanan | cc07462 | 2010-09-14 21:59:34 +0000 | [diff] [blame] | 863 | Variable * |
| 864 | ClangExpressionDeclMap::FindVariableInScope(StackFrame &frame, |
| 865 | const char *name, |
| 866 | TypeFromUser *type) |
| 867 | { |
| 868 | Log *log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS); |
| 869 | |
| 870 | ConstString name_cs(name); |
| 871 | |
| 872 | VariableList *var_list = frame.GetVariableList(true); |
| 873 | |
Greg Clayton | bf8e42b | 2010-10-14 22:52:14 +0000 | [diff] [blame^] | 874 | if (!var_list) |
| 875 | return NULL; |
| 876 | |
Sean Callanan | cc07462 | 2010-09-14 21:59:34 +0000 | [diff] [blame] | 877 | lldb::VariableSP var = var_list->FindVariable(name_cs); |
| 878 | |
| 879 | if (!var) |
| 880 | return NULL; |
| 881 | |
| 882 | if (!type) |
| 883 | return var.get(); |
| 884 | |
| 885 | if (type->GetASTContext() == var->GetType()->GetClangAST()) |
| 886 | { |
Greg Clayton | 462d414 | 2010-09-29 01:12:09 +0000 | [diff] [blame] | 887 | if (!ClangASTContext::AreTypesSame(type->GetASTContext(), type->GetOpaqueQualType(), var->GetType()->GetClangType())) |
Sean Callanan | cc07462 | 2010-09-14 21:59:34 +0000 | [diff] [blame] | 888 | return NULL; |
| 889 | } |
| 890 | else |
| 891 | { |
| 892 | if (log) |
| 893 | log->PutCString("Skipping a candidate variable because of different AST contexts"); |
| 894 | return NULL; |
| 895 | } |
| 896 | |
| 897 | return var.get(); |
| 898 | |
| 899 | return NULL; |
| 900 | } |
Sean Callanan | 336a000 | 2010-07-17 00:43:37 +0000 | [diff] [blame] | 901 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 902 | // Interface for ClangASTSource |
| 903 | void |
| 904 | ClangExpressionDeclMap::GetDecls(NameSearchContext &context, |
| 905 | const char *name) |
| 906 | { |
Sean Callanan | 6184dfe | 2010-06-23 00:47:48 +0000 | [diff] [blame] | 907 | Log *log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS); |
Sean Callanan | 3c9c5eb | 2010-09-21 00:44:12 +0000 | [diff] [blame] | 908 | |
Sean Callanan | 810f22d | 2010-07-16 00:09:46 +0000 | [diff] [blame] | 909 | if (log) |
Sean Callanan | 3c9c5eb | 2010-09-21 00:44:12 +0000 | [diff] [blame] | 910 | log->Printf("Hunting for a definition for %s", name); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 911 | |
| 912 | // Back out in all cases where we're not fully initialized |
| 913 | if (!m_exe_ctx || !m_exe_ctx->frame || !m_sym_ctx) |
| 914 | return; |
Sean Callanan | 3c9c5eb | 2010-09-21 00:44:12 +0000 | [diff] [blame] | 915 | |
| 916 | ConstString name_cs(name); |
Sean Callanan | cc07462 | 2010-09-14 21:59:34 +0000 | [diff] [blame] | 917 | |
Sean Callanan | 3c9c5eb | 2010-09-21 00:44:12 +0000 | [diff] [blame] | 918 | if (!strcmp(name, "___clang_class")) |
| 919 | { |
| 920 | // Clang is looking for the type of "this" |
| 921 | |
| 922 | VariableList *vars = m_exe_ctx->frame->GetVariableList(false); |
| 923 | |
| 924 | if (!vars) |
| 925 | return; |
| 926 | |
| 927 | lldb::VariableSP this_var = vars->FindVariable(ConstString("this")); |
| 928 | |
| 929 | if (!this_var) |
| 930 | return; |
| 931 | |
| 932 | Type *this_type = this_var->GetType(); |
| 933 | |
| 934 | if (!this_type) |
| 935 | return; |
| 936 | |
Greg Clayton | 462d414 | 2010-09-29 01:12:09 +0000 | [diff] [blame] | 937 | TypeFromUser this_user_type(this_type->GetClangType(), |
Sean Callanan | 3c9c5eb | 2010-09-21 00:44:12 +0000 | [diff] [blame] | 938 | this_type->GetClangAST()); |
| 939 | |
| 940 | m_object_pointer_type = this_user_type; |
| 941 | |
| 942 | void *pointer_target_type; |
| 943 | |
| 944 | if (!ClangASTContext::IsPointerType(this_user_type.GetOpaqueQualType(), |
| 945 | &pointer_target_type)) |
| 946 | return; |
| 947 | |
| 948 | TypeFromUser class_user_type(pointer_target_type, |
| 949 | this_type->GetClangAST()); |
| 950 | |
| 951 | AddOneType(context, class_user_type, true); |
| 952 | |
| 953 | return; |
| 954 | } |
| 955 | |
Sean Callanan | 0fc7358 | 2010-07-27 00:55:47 +0000 | [diff] [blame] | 956 | SymbolContextList sym_ctxs; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 957 | |
Sean Callanan | 0fc7358 | 2010-07-27 00:55:47 +0000 | [diff] [blame] | 958 | m_sym_ctx->FindFunctionsByName(name_cs, false, sym_ctxs); |
Sean Callanan | 8f0dc34 | 2010-06-22 23:46:24 +0000 | [diff] [blame] | 959 | |
Sean Callanan | 92aa666 | 2010-09-07 21:49:41 +0000 | [diff] [blame] | 960 | bool found_specific = false; |
Sean Callanan | 3cfbd33 | 2010-10-06 00:10:07 +0000 | [diff] [blame] | 961 | Symbol *generic_symbol = NULL; |
| 962 | Symbol *non_extern_symbol = NULL; |
Sean Callanan | 92aa666 | 2010-09-07 21:49:41 +0000 | [diff] [blame] | 963 | |
Sean Callanan | 0fc7358 | 2010-07-27 00:55:47 +0000 | [diff] [blame] | 964 | for (uint32_t index = 0, num_indices = sym_ctxs.GetSize(); |
| 965 | index < num_indices; |
| 966 | ++index) |
| 967 | { |
| 968 | SymbolContext sym_ctx; |
| 969 | sym_ctxs.GetContextAtIndex(index, sym_ctx); |
Sean Callanan | 3cfbd33 | 2010-10-06 00:10:07 +0000 | [diff] [blame] | 970 | |
Sean Callanan | 0fc7358 | 2010-07-27 00:55:47 +0000 | [diff] [blame] | 971 | if (sym_ctx.function) |
Sean Callanan | 92aa666 | 2010-09-07 21:49:41 +0000 | [diff] [blame] | 972 | { |
| 973 | // TODO only do this if it's a C function; C++ functions may be |
| 974 | // overloaded |
| 975 | if (!found_specific) |
| 976 | AddOneFunction(context, sym_ctx.function, NULL); |
| 977 | found_specific = true; |
| 978 | } |
Sean Callanan | 3cfbd33 | 2010-10-06 00:10:07 +0000 | [diff] [blame] | 979 | else if (sym_ctx.symbol) |
Sean Callanan | 92aa666 | 2010-09-07 21:49:41 +0000 | [diff] [blame] | 980 | { |
Sean Callanan | 3cfbd33 | 2010-10-06 00:10:07 +0000 | [diff] [blame] | 981 | if (sym_ctx.symbol->IsExternal()) |
| 982 | generic_symbol = sym_ctx.symbol; |
| 983 | else |
| 984 | non_extern_symbol = sym_ctx.symbol; |
Sean Callanan | 92aa666 | 2010-09-07 21:49:41 +0000 | [diff] [blame] | 985 | } |
Sean Callanan | 0fc7358 | 2010-07-27 00:55:47 +0000 | [diff] [blame] | 986 | } |
| 987 | |
Sean Callanan | 3cfbd33 | 2010-10-06 00:10:07 +0000 | [diff] [blame] | 988 | if (!found_specific) |
| 989 | { |
| 990 | if (generic_symbol) |
| 991 | AddOneFunction(context, NULL, generic_symbol); |
| 992 | else if (non_extern_symbol) |
| 993 | AddOneFunction(context, NULL, non_extern_symbol); |
| 994 | } |
| 995 | |
Sean Callanan | 3c9c5eb | 2010-09-21 00:44:12 +0000 | [diff] [blame] | 996 | Variable *var = FindVariableInScope(*m_exe_ctx->frame, name); |
Sean Callanan | 336a000 | 2010-07-17 00:43:37 +0000 | [diff] [blame] | 997 | |
| 998 | if (var) |
Sean Callanan | 3c9c5eb | 2010-09-21 00:44:12 +0000 | [diff] [blame] | 999 | AddOneVariable(context, var); |
Sean Callanan | 93a4b1a | 2010-08-04 01:02:13 +0000 | [diff] [blame] | 1000 | |
Sean Callanan | a622343 | 2010-08-20 01:02:30 +0000 | [diff] [blame] | 1001 | ClangExpressionVariable *pvar(m_persistent_vars->GetVariable(name)); |
Sean Callanan | a48fe16 | 2010-08-11 03:57:18 +0000 | [diff] [blame] | 1002 | |
| 1003 | if (pvar) |
| 1004 | AddOneVariable(context, pvar); |
| 1005 | |
Sean Callanan | 93a4b1a | 2010-08-04 01:02:13 +0000 | [diff] [blame] | 1006 | |
Sean Callanan | 6df0840 | 2010-09-27 23:54:58 +0000 | [diff] [blame] | 1007 | // See information on gating of this operation next to the definition for |
| 1008 | // m_lookedup_types. |
| 1009 | |
| 1010 | const char *name_uniq = name_cs.GetCString(); |
| 1011 | |
| 1012 | if (m_lookedup_types.find(name_uniq) == m_lookedup_types.end()) |
| 1013 | { |
| 1014 | // 1 The name is added to m_lookedup_types. |
| 1015 | m_lookedup_types.insert(std::pair<const char*, bool>(name_uniq, true)); |
| 1016 | |
| 1017 | // 2 The type is looked up and added, potentially causing more type loookups. |
| 1018 | lldb::TypeSP type = m_sym_ctx->FindTypeByName(name_cs); |
| 1019 | |
| 1020 | if (type.get()) |
| 1021 | { |
Greg Clayton | 462d414 | 2010-09-29 01:12:09 +0000 | [diff] [blame] | 1022 | TypeFromUser user_type(type->GetClangType(), |
Sean Callanan | 6df0840 | 2010-09-27 23:54:58 +0000 | [diff] [blame] | 1023 | type->GetClangAST()); |
| 1024 | |
| 1025 | AddOneType(context, user_type, false); |
| 1026 | } |
| 1027 | |
| 1028 | // 3 The name is removed from m_lookedup_types. |
| 1029 | m_lookedup_types.erase(name_uniq); |
| 1030 | } |
| 1031 | |
Sean Callanan | 336a000 | 2010-07-17 00:43:37 +0000 | [diff] [blame] | 1032 | } |
| 1033 | |
| 1034 | Value * |
| 1035 | ClangExpressionDeclMap::GetVariableValue(ExecutionContext &exe_ctx, |
| 1036 | Variable *var, |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 1037 | clang::ASTContext *parser_ast_context, |
| 1038 | TypeFromUser *user_type, |
| 1039 | TypeFromParser *parser_type) |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1040 | { |
Sean Callanan | 6184dfe | 2010-06-23 00:47:48 +0000 | [diff] [blame] | 1041 | Log *log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS); |
| 1042 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1043 | Type *var_type = var->GetType(); |
| 1044 | |
| 1045 | if (!var_type) |
| 1046 | { |
Sean Callanan | 810f22d | 2010-07-16 00:09:46 +0000 | [diff] [blame] | 1047 | if (log) |
| 1048 | log->PutCString("Skipped a definition because it has no type"); |
Sean Callanan | 336a000 | 2010-07-17 00:43:37 +0000 | [diff] [blame] | 1049 | return NULL; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1050 | } |
| 1051 | |
Greg Clayton | 462d414 | 2010-09-29 01:12:09 +0000 | [diff] [blame] | 1052 | void *var_opaque_type = var_type->GetClangType(); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1053 | |
| 1054 | if (!var_opaque_type) |
| 1055 | { |
Sean Callanan | 810f22d | 2010-07-16 00:09:46 +0000 | [diff] [blame] | 1056 | if (log) |
| 1057 | log->PutCString("Skipped a definition because it has no Clang type"); |
Sean Callanan | 336a000 | 2010-07-17 00:43:37 +0000 | [diff] [blame] | 1058 | return NULL; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1059 | } |
| 1060 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1061 | TypeList *type_list = var_type->GetTypeList(); |
| 1062 | |
| 1063 | if (!type_list) |
| 1064 | { |
Sean Callanan | 810f22d | 2010-07-16 00:09:46 +0000 | [diff] [blame] | 1065 | if (log) |
| 1066 | log->PutCString("Skipped a definition because the type has no associated type list"); |
Sean Callanan | 336a000 | 2010-07-17 00:43:37 +0000 | [diff] [blame] | 1067 | return NULL; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1068 | } |
| 1069 | |
| 1070 | clang::ASTContext *exe_ast_ctx = type_list->GetClangASTContext().getASTContext(); |
| 1071 | |
| 1072 | if (!exe_ast_ctx) |
| 1073 | { |
Sean Callanan | 810f22d | 2010-07-16 00:09:46 +0000 | [diff] [blame] | 1074 | if (log) |
| 1075 | log->PutCString("There is no AST context for the current execution context"); |
Sean Callanan | 336a000 | 2010-07-17 00:43:37 +0000 | [diff] [blame] | 1076 | return NULL; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1077 | } |
| 1078 | |
Sean Callanan | 336a000 | 2010-07-17 00:43:37 +0000 | [diff] [blame] | 1079 | DWARFExpression &var_location_expr = var->LocationExpression(); |
| 1080 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1081 | std::auto_ptr<Value> var_location(new Value); |
| 1082 | |
Greg Clayton | 178710c | 2010-09-14 02:20:48 +0000 | [diff] [blame] | 1083 | lldb::addr_t loclist_base_load_addr = LLDB_INVALID_ADDRESS; |
| 1084 | |
| 1085 | if (var_location_expr.IsLocationList()) |
| 1086 | { |
| 1087 | SymbolContext var_sc; |
| 1088 | var->CalculateSymbolContext (&var_sc); |
Greg Clayton | eea2640 | 2010-09-14 23:36:40 +0000 | [diff] [blame] | 1089 | loclist_base_load_addr = var_sc.function->GetAddressRange().GetBaseAddress().GetLoadAddress (exe_ctx.target); |
Greg Clayton | 178710c | 2010-09-14 02:20:48 +0000 | [diff] [blame] | 1090 | } |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1091 | Error err; |
| 1092 | |
Greg Clayton | 178710c | 2010-09-14 02:20:48 +0000 | [diff] [blame] | 1093 | if (!var_location_expr.Evaluate(&exe_ctx, exe_ast_ctx, loclist_base_load_addr, NULL, *var_location.get(), &err)) |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1094 | { |
Sean Callanan | 810f22d | 2010-07-16 00:09:46 +0000 | [diff] [blame] | 1095 | if (log) |
| 1096 | log->Printf("Error evaluating location: %s", err.AsCString()); |
Sean Callanan | 336a000 | 2010-07-17 00:43:37 +0000 | [diff] [blame] | 1097 | return NULL; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1098 | } |
| 1099 | |
Sean Callanan | 810f22d | 2010-07-16 00:09:46 +0000 | [diff] [blame] | 1100 | clang::ASTContext *var_ast_context = type_list->GetClangASTContext().getASTContext(); |
| 1101 | |
Sean Callanan | 336a000 | 2010-07-17 00:43:37 +0000 | [diff] [blame] | 1102 | void *type_to_use; |
| 1103 | |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 1104 | if (parser_ast_context) |
| 1105 | { |
| 1106 | type_to_use = ClangASTContext::CopyType(parser_ast_context, var_ast_context, var_opaque_type); |
| 1107 | |
| 1108 | if (parser_type) |
| 1109 | *parser_type = TypeFromParser(type_to_use, parser_ast_context); |
| 1110 | } |
Sean Callanan | 336a000 | 2010-07-17 00:43:37 +0000 | [diff] [blame] | 1111 | else |
| 1112 | type_to_use = var_opaque_type; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1113 | |
| 1114 | if (var_location.get()->GetContextType() == Value::eContextTypeInvalid) |
Sean Callanan | 336a000 | 2010-07-17 00:43:37 +0000 | [diff] [blame] | 1115 | var_location.get()->SetContext(Value::eContextTypeOpaqueClangQualType, type_to_use); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1116 | |
| 1117 | if (var_location.get()->GetValueType() == Value::eValueTypeFileAddress) |
| 1118 | { |
| 1119 | SymbolContext var_sc; |
| 1120 | var->CalculateSymbolContext(&var_sc); |
Sean Callanan | 336a000 | 2010-07-17 00:43:37 +0000 | [diff] [blame] | 1121 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1122 | if (!var_sc.module_sp) |
Sean Callanan | 336a000 | 2010-07-17 00:43:37 +0000 | [diff] [blame] | 1123 | return NULL; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1124 | |
| 1125 | ObjectFile *object_file = var_sc.module_sp->GetObjectFile(); |
| 1126 | |
| 1127 | if (!object_file) |
Sean Callanan | 336a000 | 2010-07-17 00:43:37 +0000 | [diff] [blame] | 1128 | return NULL; |
| 1129 | |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1130 | Address so_addr(var_location->GetScalar().ULongLong(), object_file->GetSectionList()); |
| 1131 | |
Greg Clayton | eea2640 | 2010-09-14 23:36:40 +0000 | [diff] [blame] | 1132 | lldb::addr_t load_addr = so_addr.GetLoadAddress(m_exe_ctx->target); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1133 | |
| 1134 | var_location->GetScalar() = load_addr; |
| 1135 | var_location->SetValueType(Value::eValueTypeLoadAddress); |
| 1136 | } |
| 1137 | |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 1138 | if (user_type) |
| 1139 | *user_type = TypeFromUser(var_opaque_type, var_ast_context); |
Sean Callanan | 336a000 | 2010-07-17 00:43:37 +0000 | [diff] [blame] | 1140 | |
| 1141 | return var_location.release(); |
| 1142 | } |
| 1143 | |
| 1144 | void |
| 1145 | ClangExpressionDeclMap::AddOneVariable(NameSearchContext &context, |
Sean Callanan | 3c9c5eb | 2010-09-21 00:44:12 +0000 | [diff] [blame] | 1146 | Variable* var) |
Sean Callanan | 336a000 | 2010-07-17 00:43:37 +0000 | [diff] [blame] | 1147 | { |
| 1148 | Log *log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS); |
| 1149 | |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 1150 | TypeFromUser ut; |
| 1151 | TypeFromParser pt; |
Sean Callanan | 336a000 | 2010-07-17 00:43:37 +0000 | [diff] [blame] | 1152 | |
| 1153 | Value *var_location = GetVariableValue(*m_exe_ctx, |
| 1154 | var, |
| 1155 | context.GetASTContext(), |
Sean Callanan | f328c9f | 2010-07-20 23:31:16 +0000 | [diff] [blame] | 1156 | &ut, |
| 1157 | &pt); |
Sean Callanan | 336a000 | 2010-07-17 00:43:37 +0000 | [diff] [blame] | 1158 | |
Sean Callanan | 3c9c5eb | 2010-09-21 00:44:12 +0000 | [diff] [blame] | 1159 | NamedDecl *var_decl = context.AddVarDecl(pt.GetOpaqueQualType()); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1160 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 1161 | ClangExpressionVariable &entity(m_found_entities.VariableAtIndex(m_found_entities.CreateVariable())); |
Sean Callanan | 3c9c5eb | 2010-09-21 00:44:12 +0000 | [diff] [blame] | 1162 | entity.m_name = context.Name.getAsString(); |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 1163 | entity.m_user_type = ut; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1164 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 1165 | entity.EnableParserVars(); |
| 1166 | entity.m_parser_vars->m_parser_type = pt; |
| 1167 | entity.m_parser_vars->m_named_decl = var_decl; |
| 1168 | entity.m_parser_vars->m_llvm_value = NULL; |
| 1169 | entity.m_parser_vars->m_lldb_value = var_location; |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1170 | |
Sean Callanan | 810f22d | 2010-07-16 00:09:46 +0000 | [diff] [blame] | 1171 | if (log) |
Sean Callanan | f5857a0 | 2010-07-31 01:32:05 +0000 | [diff] [blame] | 1172 | log->Printf("Found variable %s, returned (NamedDecl)%p", context.Name.getAsString().c_str(), var_decl); |
Sean Callanan | 8f0dc34 | 2010-06-22 23:46:24 +0000 | [diff] [blame] | 1173 | } |
| 1174 | |
| 1175 | void |
Sean Callanan | a48fe16 | 2010-08-11 03:57:18 +0000 | [diff] [blame] | 1176 | ClangExpressionDeclMap::AddOneVariable(NameSearchContext &context, |
Sean Callanan | a622343 | 2010-08-20 01:02:30 +0000 | [diff] [blame] | 1177 | ClangExpressionVariable *pvar) |
Sean Callanan | a48fe16 | 2010-08-11 03:57:18 +0000 | [diff] [blame] | 1178 | { |
Sean Callanan | 45690fe | 2010-08-30 22:17:16 +0000 | [diff] [blame] | 1179 | Log *log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS); |
| 1180 | |
Sean Callanan | a622343 | 2010-08-20 01:02:30 +0000 | [diff] [blame] | 1181 | TypeFromUser user_type = pvar->m_user_type; |
Sean Callanan | a48fe16 | 2010-08-11 03:57:18 +0000 | [diff] [blame] | 1182 | |
| 1183 | TypeFromParser parser_type(ClangASTContext::CopyType(context.GetASTContext(), |
| 1184 | user_type.GetASTContext(), |
| 1185 | user_type.GetOpaqueQualType()), |
| 1186 | context.GetASTContext()); |
| 1187 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 1188 | NamedDecl *var_decl = context.AddVarDecl(parser_type.GetOpaqueQualType()); |
| 1189 | |
| 1190 | pvar->EnableParserVars(); |
| 1191 | pvar->m_parser_vars->m_parser_type = parser_type; |
| 1192 | pvar->m_parser_vars->m_named_decl = var_decl; |
| 1193 | pvar->m_parser_vars->m_llvm_value = NULL; |
| 1194 | pvar->m_parser_vars->m_lldb_value = NULL; |
Sean Callanan | 45690fe | 2010-08-30 22:17:16 +0000 | [diff] [blame] | 1195 | |
| 1196 | if (log) |
| 1197 | log->Printf("Added pvar %s, returned (NamedDecl)%p", pvar->m_name.c_str(), var_decl); |
Sean Callanan | a48fe16 | 2010-08-11 03:57:18 +0000 | [diff] [blame] | 1198 | } |
| 1199 | |
| 1200 | void |
Sean Callanan | 8f0dc34 | 2010-06-22 23:46:24 +0000 | [diff] [blame] | 1201 | ClangExpressionDeclMap::AddOneFunction(NameSearchContext &context, |
Sean Callanan | 0fc7358 | 2010-07-27 00:55:47 +0000 | [diff] [blame] | 1202 | Function* fun, |
| 1203 | Symbol* symbol) |
Sean Callanan | 8f0dc34 | 2010-06-22 23:46:24 +0000 | [diff] [blame] | 1204 | { |
Sean Callanan | 6184dfe | 2010-06-23 00:47:48 +0000 | [diff] [blame] | 1205 | Log *log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS); |
Sean Callanan | 8f0dc34 | 2010-06-22 23:46:24 +0000 | [diff] [blame] | 1206 | |
Sean Callanan | 0fc7358 | 2010-07-27 00:55:47 +0000 | [diff] [blame] | 1207 | NamedDecl *fun_decl; |
Sean Callanan | 8f0dc34 | 2010-06-22 23:46:24 +0000 | [diff] [blame] | 1208 | std::auto_ptr<Value> fun_location(new Value); |
Sean Callanan | 0fc7358 | 2010-07-27 00:55:47 +0000 | [diff] [blame] | 1209 | const Address *fun_address; |
Sean Callanan | 8f0dc34 | 2010-06-22 23:46:24 +0000 | [diff] [blame] | 1210 | |
Sean Callanan | 0fc7358 | 2010-07-27 00:55:47 +0000 | [diff] [blame] | 1211 | // only valid for Functions, not for Symbols |
| 1212 | void *fun_opaque_type = NULL; |
| 1213 | clang::ASTContext *fun_ast_context = NULL; |
| 1214 | |
| 1215 | if (fun) |
| 1216 | { |
Sean Callanan | 55261a1 | 2010-09-08 22:38:54 +0000 | [diff] [blame] | 1217 | #define BROKEN_OVERLOADING |
| 1218 | // Awaiting a fix on the Clang side |
| 1219 | #ifndef BROKEN_OVERLOADING |
Sean Callanan | 0fc7358 | 2010-07-27 00:55:47 +0000 | [diff] [blame] | 1220 | Type *fun_type = fun->GetType(); |
| 1221 | |
| 1222 | if (!fun_type) |
| 1223 | { |
| 1224 | if (log) |
| 1225 | log->PutCString("Skipped a function because it has no type"); |
| 1226 | return; |
| 1227 | } |
| 1228 | |
Greg Clayton | 462d414 | 2010-09-29 01:12:09 +0000 | [diff] [blame] | 1229 | fun_opaque_type = fun_type->GetClangType(); |
Sean Callanan | 0fc7358 | 2010-07-27 00:55:47 +0000 | [diff] [blame] | 1230 | |
| 1231 | if (!fun_opaque_type) |
| 1232 | { |
| 1233 | if (log) |
| 1234 | log->PutCString("Skipped a function because it has no Clang type"); |
| 1235 | return; |
| 1236 | } |
| 1237 | |
| 1238 | fun_address = &fun->GetAddressRange().GetBaseAddress(); |
| 1239 | |
| 1240 | TypeList *type_list = fun_type->GetTypeList(); |
| 1241 | fun_ast_context = type_list->GetClangASTContext().getASTContext(); |
| 1242 | void *copied_type = ClangASTContext::CopyType(context.GetASTContext(), fun_ast_context, fun_opaque_type); |
| 1243 | |
| 1244 | fun_decl = context.AddFunDecl(copied_type); |
Sean Callanan | 55261a1 | 2010-09-08 22:38:54 +0000 | [diff] [blame] | 1245 | #else |
| 1246 | fun_address = &fun->GetAddressRange().GetBaseAddress(); |
| 1247 | |
| 1248 | fun_decl = context.AddGenericFunDecl(); |
| 1249 | #endif |
Sean Callanan | 0fc7358 | 2010-07-27 00:55:47 +0000 | [diff] [blame] | 1250 | } |
| 1251 | else if (symbol) |
| 1252 | { |
| 1253 | fun_address = &symbol->GetAddressRangeRef().GetBaseAddress(); |
| 1254 | |
| 1255 | fun_decl = context.AddGenericFunDecl(); |
| 1256 | } |
| 1257 | else |
| 1258 | { |
| 1259 | if (log) |
| 1260 | log->PutCString("AddOneFunction called with no function and no symbol"); |
| 1261 | return; |
| 1262 | } |
| 1263 | |
Greg Clayton | eea2640 | 2010-09-14 23:36:40 +0000 | [diff] [blame] | 1264 | lldb::addr_t load_addr = fun_address->GetLoadAddress(m_exe_ctx->target); |
Sean Callanan | 8f0dc34 | 2010-06-22 23:46:24 +0000 | [diff] [blame] | 1265 | fun_location->SetValueType(Value::eValueTypeLoadAddress); |
| 1266 | fun_location->GetScalar() = load_addr; |
| 1267 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 1268 | ClangExpressionVariable &entity(m_found_entities.VariableAtIndex(m_found_entities.CreateVariable())); |
| 1269 | entity.m_name = context.Name.getAsString(); |
| 1270 | entity.m_user_type = TypeFromUser(fun_opaque_type, fun_ast_context);; |
Sean Callanan | 8f0dc34 | 2010-06-22 23:46:24 +0000 | [diff] [blame] | 1271 | |
Sean Callanan | 8c12720 | 2010-08-23 23:09:38 +0000 | [diff] [blame] | 1272 | entity.EnableParserVars(); |
| 1273 | entity.m_parser_vars->m_named_decl = fun_decl; |
| 1274 | entity.m_parser_vars->m_llvm_value = NULL; |
| 1275 | entity.m_parser_vars->m_lldb_value = fun_location.release(); |
| 1276 | |
Sean Callanan | 810f22d | 2010-07-16 00:09:46 +0000 | [diff] [blame] | 1277 | if (log) |
Sean Callanan | 92aa666 | 2010-09-07 21:49:41 +0000 | [diff] [blame] | 1278 | log->Printf("Found %s function %s, returned (NamedDecl)%p", (fun ? "specific" : "generic"), context.Name.getAsString().c_str(), fun_decl); |
Chris Lattner | 24943d2 | 2010-06-08 16:52:24 +0000 | [diff] [blame] | 1279 | } |
Sean Callanan | 93a4b1a | 2010-08-04 01:02:13 +0000 | [diff] [blame] | 1280 | |
| 1281 | void |
| 1282 | ClangExpressionDeclMap::AddOneType(NameSearchContext &context, |
Sean Callanan | 3c9c5eb | 2010-09-21 00:44:12 +0000 | [diff] [blame] | 1283 | TypeFromUser &ut, |
| 1284 | bool add_method) |
Sean Callanan | 93a4b1a | 2010-08-04 01:02:13 +0000 | [diff] [blame] | 1285 | { |
Sean Callanan | 3c9c5eb | 2010-09-21 00:44:12 +0000 | [diff] [blame] | 1286 | clang::ASTContext *parser_ast_context = context.GetASTContext(); |
| 1287 | clang::ASTContext *user_ast_context = ut.GetASTContext(); |
Sean Callanan | 93a4b1a | 2010-08-04 01:02:13 +0000 | [diff] [blame] | 1288 | |
Sean Callanan | 3c9c5eb | 2010-09-21 00:44:12 +0000 | [diff] [blame] | 1289 | void *copied_type = ClangASTContext::CopyType(parser_ast_context, user_ast_context, ut.GetOpaqueQualType()); |
| 1290 | |
| 1291 | TypeFromParser parser_type(copied_type, parser_ast_context); |
| 1292 | |
| 1293 | if (add_method && ClangASTContext::IsAggregateType(copied_type)) |
| 1294 | { |
| 1295 | void *args[1]; |
| 1296 | |
| 1297 | args[0] = ClangASTContext::GetVoidPtrType(parser_ast_context, false); |
| 1298 | |
| 1299 | void *method_type = ClangASTContext::CreateFunctionType (parser_ast_context, |
| 1300 | ClangASTContext::GetBuiltInType_void(parser_ast_context), |
| 1301 | args, |
| 1302 | 1, |
| 1303 | false, |
| 1304 | ClangASTContext::GetTypeQualifiers(copied_type)); |
Greg Clayton | 30449d5 | 2010-10-01 02:31:07 +0000 | [diff] [blame] | 1305 | |
Greg Clayton | 1d8173f | 2010-09-24 05:15:53 +0000 | [diff] [blame] | 1306 | const bool is_virtual = false; |
| 1307 | const bool is_static = false; |
| 1308 | const bool is_inline = false; |
Greg Clayton | 30449d5 | 2010-10-01 02:31:07 +0000 | [diff] [blame] | 1309 | const bool is_explicit = false; |
| 1310 | |
Greg Clayton | 1d8173f | 2010-09-24 05:15:53 +0000 | [diff] [blame] | 1311 | ClangASTContext::AddMethodToCXXRecordType (parser_ast_context, |
| 1312 | copied_type, |
| 1313 | "___clang_expr", |
| 1314 | method_type, |
| 1315 | lldb::eAccessPublic, |
| 1316 | is_virtual, |
| 1317 | is_static, |
Greg Clayton | 30449d5 | 2010-10-01 02:31:07 +0000 | [diff] [blame] | 1318 | is_inline, |
| 1319 | is_explicit); |
Sean Callanan | 3c9c5eb | 2010-09-21 00:44:12 +0000 | [diff] [blame] | 1320 | } |
Sean Callanan | 93a4b1a | 2010-08-04 01:02:13 +0000 | [diff] [blame] | 1321 | |
| 1322 | context.AddTypeDecl(copied_type); |
| 1323 | } |