bool
DYLDRendezvous::ReadSOEntryFromMemory(lldb::addr_t addr, SOEntry &entry)
{
size_t address_size = m_process->GetAddressByteSize();
entry.clear();
if (!(addr = ReadMemory(addr, &entry.base_addr, address_size)))
return false;
if (!(addr = ReadMemory(addr, &entry.path_addr, address_size)))
return false;
if (!(addr = ReadMemory(addr, &entry.dyn_addr, address_size)))
return false;
if (!(addr = ReadMemory(addr, &entry.next, address_size)))
return false;
if (!(addr = ReadMemory(addr, &entry.prev, address_size)))
return false;
entry.path = ReadStringFromMemory(entry.path_addr);
return true;
}
bool
DYLDRendezvous::ReadSOEntryFromMemory(lldb::addr_t addr, SOEntry &entry)
{
entry.clear();
entry.link_addr = addr;
if (!(addr = ReadPointer(addr, &entry.base_addr)))
return false;
// mips adds an extra load offset field to the link map struct on
// FreeBSD and NetBSD (need to validate other OSes).
// http://svnweb.freebsd.org/base/head/sys/sys/link_elf.h?revision=217153&view=markup#l57
const ArchSpec &arch = m_process->GetTarget().GetArchitecture();
if ((arch.GetTriple().getOS() == llvm::Triple::FreeBSD
|| arch.GetTriple().getOS() == llvm::Triple::NetBSD) &&
(arch.GetMachine() == llvm::Triple::mips || arch.GetMachine() == llvm::Triple::mipsel
|| arch.GetMachine() == llvm::Triple::mips64 || arch.GetMachine() == llvm::Triple::mips64el))
{
addr_t mips_l_offs;
if (!(addr = ReadPointer(addr, &mips_l_offs)))
return false;
if (mips_l_offs != 0 && mips_l_offs != entry.base_addr)
return false;
}
if (!(addr = ReadPointer(addr, &entry.path_addr)))
return false;
if (!(addr = ReadPointer(addr, &entry.dyn_addr)))
return false;
if (!(addr = ReadPointer(addr, &entry.next)))
return false;
if (!(addr = ReadPointer(addr, &entry.prev)))
return false;
std::string file_path = ReadStringFromMemory(entry.path_addr);
entry.file_spec.SetFile(file_path, false);
// On Android L (5.0, 5.1) the load address of the "/system/bin/linker" isn't filled in
// correctly. To get the correct load address we fetch the load address of the file from the
// proc file system.
if (arch.GetTriple().getEnvironment() == llvm::Triple::Android && entry.base_addr == 0 &&
(file_path == "/system/bin/linker" || file_path == "/system/bin/linker64"))
{
lldb::addr_t load_addr = LLDB_INVALID_ADDRESS;
bool is_loaded = false;
Error error = m_process->GetFileLoadAddress(entry.file_spec, is_loaded, load_addr);
if (error.Success() && is_loaded)
entry.base_addr = load_addr;
}
return true;
}
bool DYLDRendezvous::ReadSOEntryFromMemory(lldb::addr_t addr, SOEntry &entry) {
entry.clear();
entry.link_addr = addr;
if (!(addr = ReadPointer(addr, &entry.base_addr)))
return false;
// mips adds an extra load offset field to the link map struct on
// FreeBSD and NetBSD (need to validate other OSes).
// http://svnweb.freebsd.org/base/head/sys/sys/link_elf.h?revision=217153&view=markup#l57
const ArchSpec &arch = m_process->GetTarget().GetArchitecture();
if ((arch.GetTriple().getOS() == llvm::Triple::FreeBSD ||
arch.GetTriple().getOS() == llvm::Triple::NetBSD) &&
(arch.GetMachine() == llvm::Triple::mips ||
arch.GetMachine() == llvm::Triple::mipsel ||
arch.GetMachine() == llvm::Triple::mips64 ||
arch.GetMachine() == llvm::Triple::mips64el)) {
addr_t mips_l_offs;
if (!(addr = ReadPointer(addr, &mips_l_offs)))
return false;
if (mips_l_offs != 0 && mips_l_offs != entry.base_addr)
return false;
}
if (!(addr = ReadPointer(addr, &entry.path_addr)))
return false;
if (!(addr = ReadPointer(addr, &entry.dyn_addr)))
return false;
if (!(addr = ReadPointer(addr, &entry.next)))
return false;
if (!(addr = ReadPointer(addr, &entry.prev)))
return false;
std::string file_path = ReadStringFromMemory(entry.path_addr);
entry.file_spec.SetFile(file_path, false);
UpdateBaseAddrIfNecessary(entry, file_path);
return true;
}
bool
DYLDRendezvous::ReadSOEntryFromMemory(lldb::addr_t addr, SOEntry &entry)
{
entry.clear();
entry.link_addr = addr;
if (!(addr = ReadPointer(addr, &entry.base_addr)))
return false;
// mips adds an extra load offset field to the link map struct on
// FreeBSD and NetBSD (need to validate other OSes).
// http://svnweb.freebsd.org/base/head/sys/sys/link_elf.h?revision=217153&view=markup#l57
const ArchSpec &arch = m_process->GetTarget().GetArchitecture();
if (arch.GetCore() == ArchSpec::eCore_mips64)
{
assert (arch.GetTriple().getOS() == llvm::Triple::FreeBSD ||
arch.GetTriple().getOS() == llvm::Triple::NetBSD);
addr_t mips_l_offs;
if (!(addr = ReadPointer(addr, &mips_l_offs)))
return false;
if (mips_l_offs != 0 && mips_l_offs != entry.base_addr)
return false;
}
if (!(addr = ReadPointer(addr, &entry.path_addr)))
return false;
if (!(addr = ReadPointer(addr, &entry.dyn_addr)))
return false;
if (!(addr = ReadPointer(addr, &entry.next)))
return false;
if (!(addr = ReadPointer(addr, &entry.prev)))
return false;
entry.path = ReadStringFromMemory(entry.path_addr);
return true;
}
bool HexagonDYLDRendezvous::ReadSOEntryFromMemory(lldb::addr_t addr,
SOEntry &entry) {
entry.clear();
entry.link_addr = addr;
if (!(addr = ReadPointer(addr, &entry.base_addr)))
return false;
if (!(addr = ReadPointer(addr, &entry.path_addr)))
return false;
if (!(addr = ReadPointer(addr, &entry.dyn_addr)))
return false;
if (!(addr = ReadPointer(addr, &entry.next)))
return false;
if (!(addr = ReadPointer(addr, &entry.prev)))
return false;
entry.path = ReadStringFromMemory(entry.path_addr);
return true;
}
bool
DYLDRendezvous::ReadSOEntryFromMemory(lldb::addr_t addr, SOEntry &entry)
{
entry.clear();
entry.link_addr = addr;
if (!(addr = ReadPointer(addr, &entry.base_addr)))
return false;
// mips adds an extra load offset field to the link map struct on
// FreeBSD and NetBSD (need to validate other OSes).
// http://svnweb.freebsd.org/base/head/sys/sys/link_elf.h?revision=217153&view=markup#l57
const ArchSpec &arch = m_process->GetTarget().GetArchitecture();
if ((arch.GetTriple().getOS() == llvm::Triple::FreeBSD
|| arch.GetTriple().getOS() == llvm::Triple::NetBSD) &&
(arch.GetMachine() == llvm::Triple::mips || arch.GetMachine() == llvm::Triple::mipsel
|| arch.GetMachine() == llvm::Triple::mips64 || arch.GetMachine() == llvm::Triple::mips64el))
{
addr_t mips_l_offs;
if (!(addr = ReadPointer(addr, &mips_l_offs)))
return false;
if (mips_l_offs != 0 && mips_l_offs != entry.base_addr)
return false;
}
if (!(addr = ReadPointer(addr, &entry.path_addr)))
return false;
if (!(addr = ReadPointer(addr, &entry.dyn_addr)))
return false;
if (!(addr = ReadPointer(addr, &entry.next)))
return false;
if (!(addr = ReadPointer(addr, &entry.prev)))
return false;
std::string file_path = ReadStringFromMemory(entry.path_addr);
entry.file_spec.SetFile(file_path, false);
// If the load bias reported by the linker is incorrect then fetch the load address of the file
// from the proc file system.
if (isLoadBiasIncorrect(m_process->GetTarget(), file_path))
{
lldb::addr_t load_addr = LLDB_INVALID_ADDRESS;
bool is_loaded = false;
Error error = m_process->GetFileLoadAddress(entry.file_spec, is_loaded, load_addr);
if (error.Success() && is_loaded)
entry.base_addr = load_addr;
}
// The base_addr is not filled in for some case.
// Try to figure it out based on the load address of the object file.
// The issue observed for '/system/bin/linker' on Android L (5.0, 5.1)
if (entry.base_addr == 0)
{
lldb::addr_t load_addr = LLDB_INVALID_ADDRESS;
bool is_loaded = false;
Error error = m_process->GetFileLoadAddress(entry.file_spec, is_loaded, load_addr);
if (error.Success() && is_loaded)
entry.base_addr = load_addr;
}
// The base_addr is not filled in for some case.
// Try to figure it out based on the load address of the object file.
// The issue observed for '/system/bin/linker' on Android L (5.0, 5.1)
if (entry.base_addr == 0)
{
lldb::addr_t load_addr = LLDB_INVALID_ADDRESS;
bool is_loaded = false;
Error error = m_process->GetFileLoadAddress(entry.file_spec, is_loaded, load_addr);
if (error.Success() && is_loaded)
entry.base_addr = load_addr;
}
return true;
}
