aboutsummaryrefslogtreecommitdiff
path: root/source/Expression/IRExecutionUnit.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'source/Expression/IRExecutionUnit.cpp')
-rw-r--r--source/Expression/IRExecutionUnit.cpp497
1 files changed, 360 insertions, 137 deletions
diff --git a/source/Expression/IRExecutionUnit.cpp b/source/Expression/IRExecutionUnit.cpp
index 17bd03ae6cb5..090f88fc1bfe 100644
--- a/source/Expression/IRExecutionUnit.cpp
+++ b/source/Expression/IRExecutionUnit.cpp
@@ -7,18 +7,16 @@
//
//===----------------------------------------------------------------------===//
-// C Includes
-// C++ Includes
-// Other libraries and framework includes
#include "llvm/ExecutionEngine/ExecutionEngine.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
#include "llvm/Support/SourceMgr.h"
-// Project includes
#include "lldb/Core/DataBufferHeap.h"
#include "lldb/Core/DataExtractor.h"
#include "lldb/Core/Disassembler.h"
#include "lldb/Core/Log.h"
+#include "lldb/Core/Module.h"
+#include "lldb/Core/Section.h"
#include "lldb/Expression/IRExecutionUnit.h"
#include "lldb/Target/ExecutionContext.h"
#include "lldb/Target/Target.h"
@@ -46,39 +44,39 @@ lldb::addr_t
IRExecutionUnit::WriteNow (const uint8_t *bytes,
size_t size,
Error &error)
-{
+{
lldb::addr_t allocation_process_addr = Malloc (size,
8,
lldb::ePermissionsWritable | lldb::ePermissionsReadable,
eAllocationPolicyMirror,
error);
-
+
if (!error.Success())
return LLDB_INVALID_ADDRESS;
-
+
WriteMemory(allocation_process_addr, bytes, size, error);
-
+
if (!error.Success())
{
Error err;
Free (allocation_process_addr, err);
-
+
return LLDB_INVALID_ADDRESS;
}
-
+
if (Log *log = lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS))
{
DataBufferHeap my_buffer(size, 0);
Error err;
ReadMemory(my_buffer.GetBytes(), allocation_process_addr, size, err);
-
+
if (err.Success())
{
DataExtractor my_extractor(my_buffer.GetBytes(), my_buffer.GetByteSize(), lldb::eByteOrderBig, 8);
my_extractor.PutToLog(log, 0, my_buffer.GetByteSize(), allocation_process_addr, 16, DataExtractor::TypeUInt8);
}
}
-
+
return allocation_process_addr;
}
@@ -87,9 +85,9 @@ IRExecutionUnit::FreeNow (lldb::addr_t allocation)
{
if (allocation == LLDB_INVALID_ADDRESS)
return;
-
+
Error err;
-
+
Free(allocation, err);
}
@@ -98,16 +96,16 @@ IRExecutionUnit::DisassembleFunction (Stream &stream,
lldb::ProcessSP &process_wp)
{
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
-
+
ExecutionContext exe_ctx(process_wp);
-
+
Error ret;
-
+
ret.Clear();
-
+
lldb::addr_t func_local_addr = LLDB_INVALID_ADDRESS;
lldb::addr_t func_remote_addr = LLDB_INVALID_ADDRESS;
-
+
for (JittedFunction &function : m_jitted_functions)
{
if (strstr(function.m_name.c_str(), m_name.AsCString()))
@@ -116,31 +114,31 @@ IRExecutionUnit::DisassembleFunction (Stream &stream,
func_remote_addr = function.m_remote_addr;
}
}
-
+
if (func_local_addr == LLDB_INVALID_ADDRESS)
{
ret.SetErrorToGenericError();
ret.SetErrorStringWithFormat("Couldn't find function %s for disassembly", m_name.AsCString());
return ret;
}
-
+
if (log)
log->Printf("Found function, has local address 0x%" PRIx64 " and remote address 0x%" PRIx64, (uint64_t)func_local_addr, (uint64_t)func_remote_addr);
-
+
std::pair <lldb::addr_t, lldb::addr_t> func_range;
-
+
func_range = GetRemoteRangeForLocal(func_local_addr);
-
+
if (func_range.first == 0 && func_range.second == 0)
{
ret.SetErrorToGenericError();
ret.SetErrorStringWithFormat("Couldn't find code range for function %s", m_name.AsCString());
return ret;
}
-
+
if (log)
log->Printf("Function's code range is [0x%" PRIx64 "+0x%" PRIx64 "]", func_range.first, func_range.second);
-
+
Target *target = exe_ctx.GetTargetPtr();
if (!target)
{
@@ -148,44 +146,44 @@ IRExecutionUnit::DisassembleFunction (Stream &stream,
ret.SetErrorString("Couldn't find the target");
return ret;
}
-
+
lldb::DataBufferSP buffer_sp(new DataBufferHeap(func_range.second, 0));
-
+
Process *process = exe_ctx.GetProcessPtr();
Error err;
process->ReadMemory(func_remote_addr, buffer_sp->GetBytes(), buffer_sp->GetByteSize(), err);
-
+
if (!err.Success())
{
ret.SetErrorToGenericError();
ret.SetErrorStringWithFormat("Couldn't read from process: %s", err.AsCString("unknown error"));
return ret;
}
-
+
ArchSpec arch(target->GetArchitecture());
-
+
const char *plugin_name = NULL;
const char *flavor_string = NULL;
lldb::DisassemblerSP disassembler_sp = Disassembler::FindPlugin(arch, flavor_string, plugin_name);
-
+
if (!disassembler_sp)
{
ret.SetErrorToGenericError();
ret.SetErrorStringWithFormat("Unable to find disassembler plug-in for %s architecture.", arch.GetArchitectureName());
return ret;
}
-
+
if (!process)
{
ret.SetErrorToGenericError();
ret.SetErrorString("Couldn't find the process");
return ret;
}
-
+
DataExtractor extractor(buffer_sp,
process->GetByteOrder(),
target->GetArchitecture().GetAddressByteSize());
-
+
if (log)
{
log->Printf("Function data has contents:");
@@ -196,12 +194,12 @@ IRExecutionUnit::DisassembleFunction (Stream &stream,
16,
DataExtractor::TypeUInt8);
}
-
+
disassembler_sp->DecodeInstructions (Address (func_remote_addr), extractor, 0, UINT32_MAX, false, false);
-
+
InstructionList &instruction_list = disassembler_sp->GetInstructionList();
const uint32_t max_opcode_byte_size = instruction_list.GetMaxOpcocdeByteSize();
-
+
for (size_t instruction_index = 0, num_instructions = instruction_list.GetSize();
instruction_index < num_instructions;
++instruction_index)
@@ -223,7 +221,7 @@ IRExecutionUnit::DisassembleFunction (Stream &stream,
static void ReportInlineAsmError(const llvm::SMDiagnostic &diagnostic, void *Context, unsigned LocCookie)
{
Error *err = static_cast<Error*>(Context);
-
+
if (err && err->Success())
{
err->SetErrorToGenericError();
@@ -237,52 +235,52 @@ IRExecutionUnit::GetRunnableInfo(Error &error,
lldb::addr_t &func_end)
{
lldb::ProcessSP process_sp(GetProcessWP().lock());
-
+
static Mutex s_runnable_info_mutex(Mutex::Type::eMutexTypeRecursive);
-
+
func_addr = LLDB_INVALID_ADDRESS;
func_end = LLDB_INVALID_ADDRESS;
-
+
if (!process_sp)
{
error.SetErrorToGenericError();
error.SetErrorString("Couldn't write the JIT compiled code into the process because the process is invalid");
return;
}
-
+
if (m_did_jit)
{
func_addr = m_function_load_addr;
func_end = m_function_end_load_addr;
-
+
return;
};
-
+
Mutex::Locker runnable_info_mutex_locker(s_runnable_info_mutex);
-
+
m_did_jit = true;
-
+
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
-
+
std::string error_string;
-
+
if (log)
{
std::string s;
llvm::raw_string_ostream oss(s);
-
+
m_module->print(oss, NULL);
-
+
oss.flush();
-
+
log->Printf ("Module being sent to JIT: \n%s", s.c_str());
}
-
+
llvm::Triple triple(m_module->getTargetTriple());
llvm::Function *function = m_module->getFunction (m_name.AsCString());
llvm::Reloc::Model relocModel;
llvm::CodeModel::Model codeModel;
-
+
if (triple.isOSBinFormatELF())
{
relocModel = llvm::Reloc::Static;
@@ -294,11 +292,11 @@ IRExecutionUnit::GetRunnableInfo(Error &error,
relocModel = llvm::Reloc::PIC_;
codeModel = llvm::CodeModel::Small;
}
-
+
m_module_ap->getContext().setInlineAsmDiagnosticHandler(ReportInlineAsmError, &error);
-
- llvm::EngineBuilder builder(m_module_ap.get());
-
+
+ llvm::EngineBuilder builder(std::move(m_module_ap));
+
builder.setEngineKind(llvm::EngineKind::JIT)
.setErrorStr(&error_string)
.setRelocationModel(relocModel)
@@ -307,68 +305,67 @@ IRExecutionUnit::GetRunnableInfo(Error &error,
.setAllocateGVsWithCode(true)
.setCodeModel(codeModel)
.setUseMCJIT(true);
-
+
llvm::StringRef mArch;
llvm::StringRef mCPU;
llvm::SmallVector<std::string, 0> mAttrs;
-
+
for (std::string &feature : m_cpu_features)
mAttrs.push_back(feature);
-
+
llvm::TargetMachine *target_machine = builder.selectTarget(triple,
mArch,
mCPU,
mAttrs);
-
+
m_execution_engine_ap.reset(builder.create(target_machine));
-
+
if (!m_execution_engine_ap.get())
{
error.SetErrorToGenericError();
error.SetErrorStringWithFormat("Couldn't JIT the function: %s", error_string.c_str());
return;
}
- else
- {
- m_module_ap.release(); // ownership was transferred
- }
-
+
+ // Make sure we see all sections, including ones that don't have relocations...
+ m_execution_engine_ap->setProcessAllSections(true);
+
m_execution_engine_ap->DisableLazyCompilation();
-
+
// We don't actually need the function pointer here, this just forces it to get resolved.
-
+
void *fun_ptr = m_execution_engine_ap->getPointerToFunction(function);
-
+
if (!error.Success())
{
// We got an error through our callback!
return;
}
-
+
if (!function)
{
error.SetErrorToGenericError();
error.SetErrorStringWithFormat("Couldn't find '%s' in the JITted module", m_name.AsCString());
return;
}
-
+
if (!fun_ptr)
{
error.SetErrorToGenericError();
error.SetErrorStringWithFormat("'%s' was in the JITted module but wasn't lowered", m_name.AsCString());
return;
}
-
+
m_jitted_functions.push_back (JittedFunction(m_name.AsCString(), (lldb::addr_t)fun_ptr));
-
+
CommitAllocations(process_sp);
ReportAllocations(*m_execution_engine_ap);
WriteData(process_sp);
-
+
for (JittedFunction &jitted_function : m_jitted_functions)
{
jitted_function.m_remote_addr = GetRemoteAddressForLocal (jitted_function.m_local_addr);
-
+
if (!jitted_function.m_name.compare(m_name.AsCString()))
{
AddrRange func_range = GetRemoteRangeForLocal(jitted_function.m_local_addr);
@@ -376,15 +373,15 @@ IRExecutionUnit::GetRunnableInfo(Error &error,
m_function_load_addr = jitted_function.m_remote_addr;
}
}
-
+
if (log)
{
log->Printf("Code can be run in the target.");
-
+
StreamString disassembly_stream;
-
+
Error err = DisassembleFunction(disassembly_stream, process_sp);
-
+
if (!err.Success())
{
log->Printf("Couldn't disassemble function : %s", err.AsCString("unknown error"));
@@ -393,18 +390,18 @@ IRExecutionUnit::GetRunnableInfo(Error &error,
{
log->Printf("Function disassembly:\n%s", disassembly_stream.GetData());
}
-
+
log->Printf("Sections: ");
for (AllocationRecord &record : m_records)
{
if (record.m_process_address != LLDB_INVALID_ADDRESS)
{
record.dump(log);
-
+
DataBufferHeap my_buffer(record.m_size, 0);
Error err;
ReadMemory(my_buffer.GetBytes(), record.m_process_address, record.m_size, err);
-
+
if (err.Success())
{
DataExtractor my_extractor(my_buffer.GetBytes(), my_buffer.GetByteSize(), lldb::eByteOrderBig, 8);
@@ -413,10 +410,10 @@ IRExecutionUnit::GetRunnableInfo(Error &error,
}
}
}
-
+
func_addr = m_function_load_addr;
func_end = m_function_end_load_addr;
-
+
return;
}
@@ -433,6 +430,9 @@ IRExecutionUnit::MemoryManager::MemoryManager (IRExecutionUnit &parent) :
{
}
+IRExecutionUnit::MemoryManager::~MemoryManager ()
+{
+}
void
IRExecutionUnit::MemoryManager::setMemoryWritable ()
{
@@ -464,15 +464,19 @@ IRExecutionUnit::MemoryManager::allocateStub(const llvm::GlobalValue* F,
m_parent.m_records.push_back(AllocationRecord((uintptr_t)return_value,
lldb::ePermissionsReadable | lldb::ePermissionsWritable,
+ GetSectionTypeFromSectionName (llvm::StringRef(), AllocationKind::Stub),
StubSize,
- Alignment));
+ Alignment,
+ eSectionIDInvalid,
+ NULL));
if (log)
{
log->Printf("IRExecutionUnit::allocateStub (F=%p, StubSize=%u, Alignment=%u) = %p",
- F, StubSize, Alignment, return_value);
+ static_cast<const void*>(F), StubSize, Alignment,
+ static_cast<void*>(return_value));
}
-
+
return return_value;
}
@@ -484,24 +488,136 @@ IRExecutionUnit::MemoryManager::endFunctionBody(const llvm::Function *F,
m_default_mm_ap->endFunctionBody(F, FunctionStart, FunctionEnd);
}
+lldb::SectionType
+IRExecutionUnit::GetSectionTypeFromSectionName (const llvm::StringRef &name, IRExecutionUnit::AllocationKind alloc_kind)
+{
+ lldb::SectionType sect_type = lldb::eSectionTypeCode;
+ switch (alloc_kind)
+ {
+ case AllocationKind::Stub: sect_type = lldb::eSectionTypeCode; break;
+ case AllocationKind::Code: sect_type = lldb::eSectionTypeCode; break;
+ case AllocationKind::Data: sect_type = lldb::eSectionTypeData; break;
+ case AllocationKind::Global:sect_type = lldb::eSectionTypeData; break;
+ case AllocationKind::Bytes: sect_type = lldb::eSectionTypeOther; break;
+ }
+
+ if (!name.empty())
+ {
+ if (name.equals("__text") || name.equals(".text"))
+ sect_type = lldb::eSectionTypeCode;
+ else if (name.equals("__data") || name.equals(".data"))
+ sect_type = lldb::eSectionTypeCode;
+ else if (name.startswith("__debug_") || name.startswith(".debug_"))
+ {
+ const uint32_t name_idx = name[0] == '_' ? 8 : 7;
+ llvm::StringRef dwarf_name(name.substr(name_idx));
+ switch (dwarf_name[0])
+ {
+ case 'a':
+ if (dwarf_name.equals("abbrev"))
+ sect_type = lldb::eSectionTypeDWARFDebugAbbrev;
+ else if (dwarf_name.equals("aranges"))
+ sect_type = lldb::eSectionTypeDWARFDebugAranges;
+ break;
+
+ case 'f':
+ if (dwarf_name.equals("frame"))
+ sect_type = lldb::eSectionTypeDWARFDebugFrame;
+ break;
+
+ case 'i':
+ if (dwarf_name.equals("info"))
+ sect_type = lldb::eSectionTypeDWARFDebugInfo;
+ break;
+
+ case 'l':
+ if (dwarf_name.equals("line"))
+ sect_type = lldb::eSectionTypeDWARFDebugLine;
+ else if (dwarf_name.equals("loc"))
+ sect_type = lldb::eSectionTypeDWARFDebugLoc;
+ break;
+
+ case 'm':
+ if (dwarf_name.equals("macinfo"))
+ sect_type = lldb::eSectionTypeDWARFDebugMacInfo;
+ break;
+
+ case 'p':
+ if (dwarf_name.equals("pubnames"))
+ sect_type = lldb::eSectionTypeDWARFDebugPubNames;
+ else if (dwarf_name.equals("pubtypes"))
+ sect_type = lldb::eSectionTypeDWARFDebugPubTypes;
+ break;
+
+ case 's':
+ if (dwarf_name.equals("str"))
+ sect_type = lldb::eSectionTypeDWARFDebugStr;
+ break;
+
+ case 'r':
+ if (dwarf_name.equals("ranges"))
+ sect_type = lldb::eSectionTypeDWARFDebugRanges;
+ break;
+
+ default:
+ break;
+ }
+ }
+ else if (name.startswith("__apple_") || name.startswith(".apple_"))
+ {
+#if 0
+ const uint32_t name_idx = name[0] == '_' ? 8 : 7;
+ llvm::StringRef apple_name(name.substr(name_idx));
+ switch (apple_name[0])
+ {
+ case 'n':
+ if (apple_name.equals("names"))
+ sect_type = lldb::eSectionTypeDWARFAppleNames;
+ else if (apple_name.equals("namespac") || apple_name.equals("namespaces"))
+ sect_type = lldb::eSectionTypeDWARFAppleNamespaces;
+ break;
+ case 't':
+ if (apple_name.equals("types"))
+ sect_type = lldb::eSectionTypeDWARFAppleTypes;
+ break;
+ case 'o':
+ if (apple_name.equals("objc"))
+ sect_type = lldb::eSectionTypeDWARFAppleObjC;
+ break;
+ default:
+ break;
+ }
+#else
+ sect_type = lldb::eSectionTypeInvalid;
+#endif
+ }
+ else if (name.equals("__objc_imageinfo"))
+ sect_type = lldb::eSectionTypeOther;
+ }
+ return sect_type;
+}
+
uint8_t *
IRExecutionUnit::MemoryManager::allocateSpace(intptr_t Size, unsigned Alignment)
{
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
uint8_t *return_value = m_default_mm_ap->allocateSpace(Size, Alignment);
-
+
m_parent.m_records.push_back(AllocationRecord((uintptr_t)return_value,
lldb::ePermissionsReadable | lldb::ePermissionsWritable,
+ GetSectionTypeFromSectionName (llvm::StringRef(), AllocationKind::Bytes),
Size,
- Alignment));
-
+ Alignment,
+ eSectionIDInvalid,
+ NULL));
+
if (log)
{
log->Printf("IRExecutionUnit::allocateSpace(Size=%" PRIu64 ", Alignment=%u) = %p",
(uint64_t)Size, Alignment, return_value);
}
-
+
return return_value;
}
@@ -512,21 +628,23 @@ IRExecutionUnit::MemoryManager::allocateCodeSection(uintptr_t Size,
llvm::StringRef SectionName)
{
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
-
+
uint8_t *return_value = m_default_mm_ap->allocateCodeSection(Size, Alignment, SectionID, SectionName);
-
+
m_parent.m_records.push_back(AllocationRecord((uintptr_t)return_value,
lldb::ePermissionsReadable | lldb::ePermissionsExecutable,
+ GetSectionTypeFromSectionName (SectionName, AllocationKind::Code),
Size,
Alignment,
- SectionID));
-
+ SectionID,
+ SectionName.str().c_str()));
+
if (log)
{
log->Printf("IRExecutionUnit::allocateCodeSection(Size=0x%" PRIx64 ", Alignment=%u, SectionID=%u) = %p",
(uint64_t)Size, Alignment, SectionID, return_value);
}
-
+
return return_value;
}
@@ -540,19 +658,21 @@ IRExecutionUnit::MemoryManager::allocateDataSection(uintptr_t Size,
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
uint8_t *return_value = m_default_mm_ap->allocateDataSection(Size, Alignment, SectionID, SectionName, IsReadOnly);
-
+
m_parent.m_records.push_back(AllocationRecord((uintptr_t)return_value,
- lldb::ePermissionsReadable | lldb::ePermissionsWritable,
+ lldb::ePermissionsReadable | (IsReadOnly ? 0 : lldb::ePermissionsWritable),
+ GetSectionTypeFromSectionName (SectionName, AllocationKind::Data),
Size,
Alignment,
- SectionID));
+ SectionID,
+ SectionName.str().c_str()));
if (log)
{
log->Printf("IRExecutionUnit::allocateDataSection(Size=0x%" PRIx64 ", Alignment=%u, SectionID=%u) = %p",
(uint64_t)Size, Alignment, SectionID, return_value);
}
-
- return return_value;
+
+ return return_value;
}
uint8_t *
@@ -562,18 +682,21 @@ IRExecutionUnit::MemoryManager::allocateGlobal(uintptr_t Size,
Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_EXPRESSIONS));
uint8_t *return_value = m_default_mm_ap->allocateGlobal(Size, Alignment);
-
+
m_parent.m_records.push_back(AllocationRecord((uintptr_t)return_value,
lldb::ePermissionsReadable | lldb::ePermissionsWritable,
+ GetSectionTypeFromSectionName (llvm::StringRef(), AllocationKind::Global),
Size,
- Alignment));
-
+ Alignment,
+ eSectionIDInvalid,
+ NULL));
+
if (log)
{
log->Printf("IRExecutionUnit::allocateGlobal(Size=0x%" PRIx64 ", Alignment=%u) = %p",
(uint64_t)Size, Alignment, return_value);
}
-
+
return return_value;
}
@@ -595,9 +718,9 @@ IRExecutionUnit::GetRemoteAddressForLocal (lldb::addr_t local_address)
{
if (record.m_process_address == LLDB_INVALID_ADDRESS)
return LLDB_INVALID_ADDRESS;
-
+
lldb::addr_t ret = record.m_process_address + (local_address - record.m_host_address);
-
+
if (log)
{
log->Printf("IRExecutionUnit::GetRemoteAddressForLocal() found 0x%" PRIx64 " in [0x%" PRIx64 "..0x%" PRIx64 "], and returned 0x%" PRIx64 " from [0x%" PRIx64 "..0x%" PRIx64 "].",
@@ -608,7 +731,7 @@ IRExecutionUnit::GetRemoteAddressForLocal (lldb::addr_t local_address)
record.m_process_address,
record.m_process_address + record.m_size);
}
-
+
return ret;
}
}
@@ -626,11 +749,11 @@ IRExecutionUnit::GetRemoteRangeForLocal (lldb::addr_t local_address)
{
if (record.m_process_address == LLDB_INVALID_ADDRESS)
return AddrRange(0, 0);
-
+
return AddrRange(record.m_process_address, record.m_size);
}
}
-
+
return AddrRange (0, 0);
}
@@ -638,28 +761,50 @@ bool
IRExecutionUnit::CommitAllocations (lldb::ProcessSP &process_sp)
{
bool ret = true;
-
+
lldb_private::Error err;
-
+
for (AllocationRecord &record : m_records)
{
if (record.m_process_address != LLDB_INVALID_ADDRESS)
continue;
-
-
- record.m_process_address = Malloc(record.m_size,
- record.m_alignment,
- record.m_permissions,
- eAllocationPolicyProcessOnly,
- err);
-
+
+ switch (record.m_sect_type)
+ {
+ case lldb::eSectionTypeInvalid:
+ case lldb::eSectionTypeDWARFDebugAbbrev:
+ case lldb::eSectionTypeDWARFDebugAranges:
+ case lldb::eSectionTypeDWARFDebugFrame:
+ case lldb::eSectionTypeDWARFDebugInfo:
+ case lldb::eSectionTypeDWARFDebugLine:
+ case lldb::eSectionTypeDWARFDebugLoc:
+ case lldb::eSectionTypeDWARFDebugMacInfo:
+ case lldb::eSectionTypeDWARFDebugPubNames:
+ case lldb::eSectionTypeDWARFDebugPubTypes:
+ case lldb::eSectionTypeDWARFDebugRanges:
+ case lldb::eSectionTypeDWARFDebugStr:
+ case lldb::eSectionTypeDWARFAppleNames:
+ case lldb::eSectionTypeDWARFAppleTypes:
+ case lldb::eSectionTypeDWARFAppleNamespaces:
+ case lldb::eSectionTypeDWARFAppleObjC:
+ err.Clear();
+ break;
+ default:
+ record.m_process_address = Malloc (record.m_size,
+ record.m_alignment,
+ record.m_permissions,
+ eAllocationPolicyProcessOnly,
+ err);
+ break;
+ }
+
if (!err.Success())
{
ret = false;
break;
}
}
-
+
if (!ret)
{
for (AllocationRecord &record : m_records)
@@ -671,7 +816,7 @@ IRExecutionUnit::CommitAllocations (lldb::ProcessSP &process_sp)
}
}
}
-
+
return ret;
}
@@ -682,13 +827,13 @@ IRExecutionUnit::ReportAllocations (llvm::ExecutionEngine &engine)
{
if (record.m_process_address == LLDB_INVALID_ADDRESS)
continue;
-
+
if (record.m_section_id == eSectionIDInvalid)
continue;
-
+
engine.mapSectionAddress((void*)record.m_host_address, record.m_process_address);
}
-
+
// Trigger re-application of relocations.
engine.finalizeObject();
}
@@ -696,25 +841,26 @@ IRExecutionUnit::ReportAllocations (llvm::ExecutionEngine &engine)
bool
IRExecutionUnit::WriteData (lldb::ProcessSP &process_sp)
{
+ bool wrote_something = false;
for (AllocationRecord &record : m_records)
{
- if (record.m_process_address == LLDB_INVALID_ADDRESS)
- return false;
-
- lldb_private::Error err;
-
- WriteMemory (record.m_process_address, (uint8_t*)record.m_host_address, record.m_size, err);
+ if (record.m_process_address != LLDB_INVALID_ADDRESS)
+ {
+ lldb_private::Error err;
+ WriteMemory (record.m_process_address, (uint8_t*)record.m_host_address, record.m_size, err);
+ if (err.Success())
+ wrote_something = true;
+ }
}
-
- return true;
+ return wrote_something;
}
-void
+void
IRExecutionUnit::AllocationRecord::dump (Log *log)
{
if (!log)
return;
-
+
log->Printf("[0x%llx+0x%llx]->0x%llx (alignment %d, section ID %d)",
(unsigned long long)m_host_address,
(unsigned long long)m_size,
@@ -722,3 +868,80 @@ IRExecutionUnit::AllocationRecord::dump (Log *log)
(unsigned)m_alignment,
(unsigned)m_section_id);
}
+
+
+lldb::ByteOrder
+IRExecutionUnit::GetByteOrder () const
+{
+ ExecutionContext exe_ctx (GetBestExecutionContextScope());
+ return exe_ctx.GetByteOrder();
+}
+
+uint32_t
+IRExecutionUnit::GetAddressByteSize () const
+{
+ ExecutionContext exe_ctx (GetBestExecutionContextScope());
+ return exe_ctx.GetAddressByteSize();
+}
+
+void
+IRExecutionUnit::PopulateSymtab (lldb_private::ObjectFile *obj_file,
+ lldb_private::Symtab &symtab)
+{
+ // No symbols yet...
+}
+
+
+void
+IRExecutionUnit::PopulateSectionList (lldb_private::ObjectFile *obj_file,
+ lldb_private::SectionList &section_list)
+{
+ for (AllocationRecord &record : m_records)
+ {
+ if (record.m_size > 0)
+ {
+ lldb::SectionSP section_sp (new lldb_private::Section (obj_file->GetModule(),
+ obj_file,
+ record.m_section_id,
+ ConstString(record.m_name),
+ record.m_sect_type,
+ record.m_process_address,
+ record.m_size,
+ record.m_host_address, // file_offset (which is the host address for the data)
+ record.m_size, // file_size
+ 0,
+ record.m_permissions)); // flags
+ section_list.AddSection (section_sp);
+ }
+ }
+}
+
+bool
+IRExecutionUnit::GetArchitecture (lldb_private::ArchSpec &arch)
+{
+ ExecutionContext exe_ctx (GetBestExecutionContextScope());
+ Target *target = exe_ctx.GetTargetPtr();
+ if (target)
+ arch = target->GetArchitecture();
+ else
+ arch.Clear();
+ return arch.IsValid();
+}
+
+lldb::ModuleSP
+IRExecutionUnit::GetJITModule ()
+{
+ ExecutionContext exe_ctx (GetBestExecutionContextScope());
+ Target *target = exe_ctx.GetTargetPtr();
+ if (target)
+ {
+ lldb::ModuleSP jit_module_sp = lldb_private::Module::CreateJITModule (std::static_pointer_cast<lldb_private::ObjectFileJITDelegate>(shared_from_this()));
+ if (jit_module_sp)
+ {
+ bool changed = false;
+ jit_module_sp->SetLoadAddress(*target, 0, true, changed);
+ }
+ return jit_module_sp;
+ }
+ return lldb::ModuleSP();
+}