You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
137 lines
4.7 KiB
137 lines
4.7 KiB
//===-- DynamicLoaderHexagonDYLD.h ------------------------------*- C++ -*-===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLDB_SOURCE_PLUGINS_DYNAMICLOADER_HEXAGON_DYLD_DYNAMICLOADERHEXAGONDYLD_H
|
|
#define LLDB_SOURCE_PLUGINS_DYNAMICLOADER_HEXAGON_DYLD_DYNAMICLOADERHEXAGONDYLD_H
|
|
|
|
#include "lldb/Breakpoint/StoppointCallbackContext.h"
|
|
#include "lldb/Target/DynamicLoader.h"
|
|
|
|
#include "HexagonDYLDRendezvous.h"
|
|
|
|
class DynamicLoaderHexagonDYLD : public lldb_private::DynamicLoader {
|
|
public:
|
|
DynamicLoaderHexagonDYLD(lldb_private::Process *process);
|
|
|
|
~DynamicLoaderHexagonDYLD() override;
|
|
|
|
static void Initialize();
|
|
|
|
static void Terminate();
|
|
|
|
static lldb_private::ConstString GetPluginNameStatic();
|
|
|
|
static const char *GetPluginDescriptionStatic();
|
|
|
|
static lldb_private::DynamicLoader *
|
|
CreateInstance(lldb_private::Process *process, bool force);
|
|
|
|
// DynamicLoader protocol
|
|
|
|
void DidAttach() override;
|
|
|
|
void DidLaunch() override;
|
|
|
|
lldb::ThreadPlanSP GetStepThroughTrampolinePlan(lldb_private::Thread &thread,
|
|
bool stop_others) override;
|
|
|
|
lldb_private::Status CanLoadImage() override;
|
|
|
|
lldb::addr_t GetThreadLocalData(const lldb::ModuleSP module,
|
|
const lldb::ThreadSP thread,
|
|
lldb::addr_t tls_file_addr) override;
|
|
|
|
// PluginInterface protocol
|
|
lldb_private::ConstString GetPluginName() override;
|
|
|
|
uint32_t GetPluginVersion() override;
|
|
|
|
protected:
|
|
/// Runtime linker rendezvous structure.
|
|
HexagonDYLDRendezvous m_rendezvous;
|
|
|
|
/// Virtual load address of the inferior process.
|
|
lldb::addr_t m_load_offset;
|
|
|
|
/// Virtual entry address of the inferior process.
|
|
lldb::addr_t m_entry_point;
|
|
|
|
/// Rendezvous breakpoint.
|
|
lldb::break_id_t m_dyld_bid;
|
|
|
|
/// Loaded module list. (link map for each module)
|
|
std::map<lldb::ModuleWP, lldb::addr_t, std::owner_less<lldb::ModuleWP>>
|
|
m_loaded_modules;
|
|
|
|
/// Enables a breakpoint on a function called by the runtime
|
|
/// linker each time a module is loaded or unloaded.
|
|
bool SetRendezvousBreakpoint();
|
|
|
|
/// Callback routine which updates the current list of loaded modules based
|
|
/// on the information supplied by the runtime linker.
|
|
static bool RendezvousBreakpointHit(
|
|
void *baton, lldb_private::StoppointCallbackContext *context,
|
|
lldb::user_id_t break_id, lldb::user_id_t break_loc_id);
|
|
|
|
/// Helper method for RendezvousBreakpointHit. Updates LLDB's current set
|
|
/// of loaded modules.
|
|
void RefreshModules();
|
|
|
|
/// Updates the load address of every allocatable section in \p module.
|
|
///
|
|
/// \param module The module to traverse.
|
|
///
|
|
/// \param link_map_addr The virtual address of the link map for the @p
|
|
/// module.
|
|
///
|
|
/// \param base_addr The virtual base address \p module is loaded at.
|
|
void UpdateLoadedSections(lldb::ModuleSP module, lldb::addr_t link_map_addr,
|
|
lldb::addr_t base_addr,
|
|
bool base_addr_is_offset) override;
|
|
|
|
/// Removes the loaded sections from the target in \p module.
|
|
///
|
|
/// \param module The module to traverse.
|
|
void UnloadSections(const lldb::ModuleSP module) override;
|
|
|
|
/// Callback routine invoked when we hit the breakpoint on process entry.
|
|
///
|
|
/// This routine is responsible for resolving the load addresses of all
|
|
/// dependent modules required by the inferior and setting up the rendezvous
|
|
/// breakpoint.
|
|
static bool
|
|
EntryBreakpointHit(void *baton,
|
|
lldb_private::StoppointCallbackContext *context,
|
|
lldb::user_id_t break_id, lldb::user_id_t break_loc_id);
|
|
|
|
/// Helper for the entry breakpoint callback. Resolves the load addresses
|
|
/// of all dependent modules.
|
|
void LoadAllCurrentModules();
|
|
|
|
/// Computes a value for m_load_offset returning the computed address on
|
|
/// success and LLDB_INVALID_ADDRESS on failure.
|
|
lldb::addr_t ComputeLoadOffset();
|
|
|
|
/// Computes a value for m_entry_point returning the computed address on
|
|
/// success and LLDB_INVALID_ADDRESS on failure.
|
|
lldb::addr_t GetEntryPoint();
|
|
|
|
/// Checks to see if the target module has changed, updates the target
|
|
/// accordingly and returns the target executable module.
|
|
lldb::ModuleSP GetTargetExecutable();
|
|
|
|
/// return the address of the Rendezvous breakpoint
|
|
lldb::addr_t FindRendezvousBreakpointAddress();
|
|
|
|
private:
|
|
const lldb_private::SectionList *
|
|
GetSectionListFromModule(const lldb::ModuleSP module) const;
|
|
};
|
|
|
|
#endif // LLDB_SOURCE_PLUGINS_DYNAMICLOADER_HEXAGON_DYLD_DYNAMICLOADERHEXAGONDYLD_H
|