summaryrefslogtreecommitdiffstats
path: root/lldb/source/Expression
diff options
context:
space:
mode:
Diffstat (limited to 'lldb/source/Expression')
-rw-r--r--lldb/source/Expression/ClangExpressionDeclMap.cpp30
-rw-r--r--lldb/source/Expression/ClangExpressionParser.cpp18
-rw-r--r--lldb/source/Expression/ClangFunction.cpp2
-rw-r--r--lldb/source/Expression/ClangUserExpression.cpp2
-rw-r--r--lldb/source/Expression/ClangUtilityFunction.cpp2
-rw-r--r--lldb/source/Expression/IRForTarget.cpp51
6 files changed, 95 insertions, 10 deletions
diff --git a/lldb/source/Expression/ClangExpressionDeclMap.cpp b/lldb/source/Expression/ClangExpressionDeclMap.cpp
index 08468faf1fd..f9962421c15 100644
--- a/lldb/source/Expression/ClangExpressionDeclMap.cpp
+++ b/lldb/source/Expression/ClangExpressionDeclMap.cpp
@@ -452,6 +452,36 @@ ClangExpressionDeclMap::GetFunctionAddress
return true;
}
+bool
+ClangExpressionDeclMap::GetSymbolAddress
+(
+ const ConstString &name,
+ uint64_t &ptr
+)
+{
+ assert (m_parser_vars.get());
+
+ // Back out in all cases where we're not fully initialized
+ if (m_parser_vars->m_exe_ctx->target == NULL)
+ return false;
+
+ SymbolContextList sc_list;
+
+ m_parser_vars->m_exe_ctx->target->GetImages().FindSymbolsWithNameAndType(name, lldb::eSymbolTypeAny, sc_list);
+
+ if (!sc_list.GetSize())
+ return false;
+
+ SymbolContext sym_ctx;
+ sc_list.GetContextAtIndex(0, sym_ctx);
+
+ const Address *sym_address = &sym_ctx.symbol->GetAddressRangeRef().GetBaseAddress();
+
+ ptr = sym_address->GetLoadAddress (m_parser_vars->m_exe_ctx->target);
+
+ return true;
+}
+
// Interface for CommandObjectExpression
bool
diff --git a/lldb/source/Expression/ClangExpressionParser.cpp b/lldb/source/Expression/ClangExpressionParser.cpp
index 77fff8a183f..adc5a9ecb7e 100644
--- a/lldb/source/Expression/ClangExpressionParser.cpp
+++ b/lldb/source/Expression/ClangExpressionParser.cpp
@@ -21,6 +21,7 @@
#include "lldb/Expression/IRToDWARF.h"
#include "lldb/Expression/RecordingMemoryManager.h"
#include "lldb/Target/ExecutionContext.h"
+#include "lldb/Target/ObjCLanguageRuntime.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/Target.h"
@@ -177,6 +178,7 @@ static FrontendAction *CreateFrontendAction(CompilerInstance &CI) {
//===----------------------------------------------------------------------===//
ClangExpressionParser::ClangExpressionParser(const char *target_triple,
+ Process *process,
ClangExpression &expr) :
m_expr(expr),
m_target_triple (),
@@ -211,10 +213,18 @@ ClangExpressionParser::ClangExpressionParser(const char *target_triple,
// Setup objective C
m_compiler->getLangOpts().ObjC1 = true;
m_compiler->getLangOpts().ObjC2 = true;
- // We need to enable the fragile ABI for things target triples that
- // support it.
-// m_compiler->getLangOpts().ObjCNonFragileABI = true; // NOT i386
-// m_compiler->getLangOpts().ObjCNonFragileABI2 = true; // NOT i386
+
+ if (process)
+ {
+ if (process->GetObjCLanguageRuntime())
+ {
+ if (process->GetObjCLanguageRuntime()->GetRuntimeVersion() == lldb::eAppleObjC_V2)
+ {
+ m_compiler->getLangOpts().ObjCNonFragileABI = true; // NOT i386
+ m_compiler->getLangOpts().ObjCNonFragileABI2 = true; // NOT i386
+ }
+ }
+ }
m_compiler->getLangOpts().ThreadsafeStatics = false;
m_compiler->getLangOpts().AccessControl = false; // Debuggers get universal access
diff --git a/lldb/source/Expression/ClangFunction.cpp b/lldb/source/Expression/ClangFunction.cpp
index e55238d0904..d2435a78960 100644
--- a/lldb/source/Expression/ClangFunction.cpp
+++ b/lldb/source/Expression/ClangFunction.cpp
@@ -214,7 +214,7 @@ ClangFunction::CompileFunction (Stream &errors)
// Okay, now compile this expression
- m_parser.reset(new ClangExpressionParser(m_target_triple.c_str(), *this));
+ m_parser.reset(new ClangExpressionParser(m_target_triple.c_str(), NULL, *this));
num_errors = m_parser->Parse (errors);
diff --git a/lldb/source/Expression/ClangUserExpression.cpp b/lldb/source/Expression/ClangUserExpression.cpp
index a528181fe14..13d5ab9c96b 100644
--- a/lldb/source/Expression/ClangUserExpression.cpp
+++ b/lldb/source/Expression/ClangUserExpression.cpp
@@ -253,7 +253,7 @@ ClangUserExpression::Parse (Stream &error_stream,
m_expr_decl_map->WillParse(exe_ctx);
- ClangExpressionParser parser(target_triple.GetCString(), *this);
+ ClangExpressionParser parser(target_triple.GetCString(), exe_ctx.process, *this);
unsigned num_errors = parser.Parse (error_stream);
diff --git a/lldb/source/Expression/ClangUtilityFunction.cpp b/lldb/source/Expression/ClangUtilityFunction.cpp
index 6b477689965..f682e360778 100644
--- a/lldb/source/Expression/ClangUtilityFunction.cpp
+++ b/lldb/source/Expression/ClangUtilityFunction.cpp
@@ -105,7 +105,7 @@ ClangUtilityFunction::Install (Stream &error_stream,
m_expr_decl_map->WillParse(exe_ctx);
- ClangExpressionParser parser(target_triple.GetCString(), *this);
+ ClangExpressionParser parser(target_triple.GetCString(), exe_ctx.process, *this);
unsigned num_errors = parser.Parse (error_stream);
diff --git a/lldb/source/Expression/IRForTarget.cpp b/lldb/source/Expression/IRForTarget.cpp
index dc557ca2c21..bdcb225aecb 100644
--- a/lldb/source/Expression/IRForTarget.cpp
+++ b/lldb/source/Expression/IRForTarget.cpp
@@ -1070,6 +1070,44 @@ IRForTarget::MaybeHandleVariable (Module &llvm_module, Value *llvm_value_ptr)
}
bool
+IRForTarget::HandleSymbol (Module &llvm_module,
+ Value *symbol)
+{
+ lldb::LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
+
+ lldb_private::ConstString name(symbol->getName().str().c_str());
+
+ uint64_t symbol_addr;
+
+ if (!m_decl_map->GetSymbolAddress (name, symbol_addr))
+ {
+ if (log)
+ log->Printf ("Symbol \"%s\" had no address", name.GetCString());
+
+ return false;
+ }
+
+ if (log)
+ log->Printf("Found \"%s\" at 0x%llx", name.GetCString(), symbol_addr);
+
+ const Type *symbol_type = symbol->getType();
+
+ const IntegerType *intptr_ty = Type::getIntNTy(llvm_module.getContext(),
+ (llvm_module.getPointerSize() == Module::Pointer64) ? 64 : 32);
+
+ Constant *symbol_addr_int = ConstantInt::get(intptr_ty, symbol_addr, false);
+
+ Value *symbol_addr_ptr = ConstantExpr::getIntToPtr(symbol_addr_int, symbol_type);
+
+ if (log)
+ log->Printf("Replacing %s with %s", PrintValue(symbol).c_str(), PrintValue(symbol_addr_ptr).c_str());
+
+ symbol->replaceAllUsesWith(symbol_addr_ptr);
+
+ return true;
+}
+
+bool
IRForTarget::MaybeHandleCallArguments (Module &llvm_module, CallInst *Old)
{
lldb::LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
@@ -1250,9 +1288,16 @@ IRForTarget::ResolveExternals (Module &llvm_module, Function &llvm_function)
(*global).getName().str().c_str(),
DeclForGlobalValue(llvm_module, global));
- if (DeclForGlobalValue(llvm_module, global) &&
- !MaybeHandleVariable (llvm_module, global))
- return false;
+ if ((*global).getName().str().find("OBJC_IVAR") == 0)
+ {
+ if (!HandleSymbol(llvm_module, global))
+ return false;
+ }
+ else if (DeclForGlobalValue(llvm_module, global))
+ {
+ if (!MaybeHandleVariable (llvm_module, global))
+ return false;
+ }
}
return true;
OpenPOWER on IntegriCloud