static bool
COFFMachineToMachCPU (uint16_t machine, ArchSpec &arch)
{
switch (machine)
{
case IMAGE_FILE_MACHINE_AMD64:
case IMAGE_FILE_MACHINE_IA64:
arch.SetArchitecture (eArchTypeMachO,
llvm::MachO::CPUTypeX86_64,
llvm::MachO::CPUSubType_X86_64_ALL);
return true;
case IMAGE_FILE_MACHINE_I386:
arch.SetArchitecture (eArchTypeMachO,
llvm::MachO::CPUTypeI386,
llvm::MachO::CPUSubType_I386_ALL);
return true;
case IMAGE_FILE_MACHINE_POWERPC:
case IMAGE_FILE_MACHINE_POWERPCFP:
arch.SetArchitecture (eArchTypeMachO,
llvm::MachO::CPUTypePowerPC,
llvm::MachO::CPUSubType_POWERPC_ALL);
return true;
case IMAGE_FILE_MACHINE_ARM:
case IMAGE_FILE_MACHINE_THUMB:
arch.SetArchitecture (eArchTypeMachO,
llvm::MachO::CPUTypeARM,
llvm::MachO::CPUSubType_ARM_V7);
return true;
}
return false;
}
bool ObjectContainerUniversalMachO::GetArchitectureAtIndex(
uint32_t idx, ArchSpec &arch) const {
if (idx < m_header.nfat_arch) {
arch.SetArchitecture(eArchTypeMachO, m_fat_archs[idx].cputype,
m_fat_archs[idx].cpusubtype);
return true;
}
return false;
}
bool
ObjectFileELF::GetArchitecture (ArchSpec &arch)
{
if (!ParseHeader())
return false;
arch.SetArchitecture (eArchTypeELF, m_header.e_machine, LLDB_INVALID_CPUTYPE);
arch.GetTriple().setOSName (Host::GetOSString().GetCString());
arch.GetTriple().setVendorName(Host::GetVendorString().GetCString());
return true;
}
static bool
ParseMachCPUDashSubtypeTriple (const char *triple_cstr, ArchSpec &arch)
{
// Accept "12-10" or "12.10" as cpu type/subtype
if (isdigit(triple_cstr[0]))
{
char *end = NULL;
errno = 0;
uint32_t cpu = ::strtoul (triple_cstr, &end, 0);
if (errno == 0 && cpu != 0 && end && ((*end == '-') || (*end == '.')))
{
errno = 0;
uint32_t sub = ::strtoul (end + 1, &end, 0);
if (errno == 0 && end && ((*end == '-') || (*end == '.') || (*end == '\0')))
{
if (arch.SetArchitecture (eArchTypeMachO, cpu, sub))
{
if (*end == '-')
{
llvm::StringRef vendor_os (end + 1);
size_t dash_pos = vendor_os.find('-');
if (dash_pos != llvm::StringRef::npos)
{
llvm::StringRef vendor_str(vendor_os.substr(0, dash_pos));
arch.GetTriple().setVendorName(vendor_str);
const size_t vendor_start_pos = dash_pos+1;
dash_pos = vendor_os.find(vendor_start_pos, '-');
if (dash_pos == llvm::StringRef::npos)
{
if (vendor_start_pos < vendor_os.size())
arch.GetTriple().setOSName(vendor_os.substr(vendor_start_pos));
}
else
{
arch.GetTriple().setOSName(vendor_os.substr(vendor_start_pos, dash_pos - vendor_start_pos));
}
}
}
return true;
}
}
}
}
return false;
}
void
ProcessKDP::DidAttach (ArchSpec &process_arch)
{
Process::DidAttach(process_arch);
Log *log (ProcessKDPLog::GetLogIfAllCategoriesSet (KDP_LOG_PROCESS));
if (log)
log->Printf ("ProcessKDP::DidAttach()");
if (GetID() != LLDB_INVALID_PROCESS_ID)
{
uint32_t cpu = m_comm.GetCPUType();
if (cpu)
{
uint32_t sub = m_comm.GetCPUSubtype();
process_arch.SetArchitecture(eArchTypeMachO, cpu, sub);
}
}
}
bool ObjectFilePECOFF::GetArchitecture(ArchSpec &arch) {
uint16_t machine = m_coff_header.machine;
switch (machine) {
case llvm::COFF::IMAGE_FILE_MACHINE_AMD64:
case llvm::COFF::IMAGE_FILE_MACHINE_I386:
case llvm::COFF::IMAGE_FILE_MACHINE_POWERPC:
case llvm::COFF::IMAGE_FILE_MACHINE_POWERPCFP:
case llvm::COFF::IMAGE_FILE_MACHINE_ARM:
case llvm::COFF::IMAGE_FILE_MACHINE_ARMNT:
case llvm::COFF::IMAGE_FILE_MACHINE_THUMB:
arch.SetArchitecture(eArchTypeCOFF, machine, LLDB_INVALID_CPUTYPE,
IsWindowsSubsystem() ? llvm::Triple::Win32
: llvm::Triple::UnknownOS);
return true;
default:
break;
}
return false;
}
const ArchSpec &
Host::GetArchitecture (SystemDefaultArchitecture arch_kind)
{
static bool g_supports_32 = false;
static bool g_supports_64 = false;
static ArchSpec g_host_arch_32;
static ArchSpec g_host_arch_64;
#if defined (__APPLE__)
// Apple is different in that it can support both 32 and 64 bit executables
// in the same operating system running concurrently. Here we detect the
// correct host architectures for both 32 and 64 bit including if 64 bit
// executables are supported on the system.
if (g_supports_32 == false && g_supports_64 == false)
{
// All apple systems support 32 bit execution.
g_supports_32 = true;
uint32_t cputype, cpusubtype;
uint32_t is_64_bit_capable = false;
size_t len = sizeof(cputype);
ArchSpec host_arch;
// These will tell us about the kernel architecture, which even on a 64
// bit machine can be 32 bit...
if (::sysctlbyname("hw.cputype", &cputype, &len, NULL, 0) == 0)
{
len = sizeof (cpusubtype);
if (::sysctlbyname("hw.cpusubtype", &cpusubtype, &len, NULL, 0) != 0)
cpusubtype = CPU_TYPE_ANY;
len = sizeof (is_64_bit_capable);
if (::sysctlbyname("hw.cpu64bit_capable", &is_64_bit_capable, &len, NULL, 0) == 0)
{
if (is_64_bit_capable)
g_supports_64 = true;
}
if (is_64_bit_capable)
{
#if defined (__i386__) || defined (__x86_64__)
if (cpusubtype == CPU_SUBTYPE_486)
cpusubtype = CPU_SUBTYPE_I386_ALL;
#endif
if (cputype & CPU_ARCH_ABI64)
{
// We have a 64 bit kernel on a 64 bit system
g_host_arch_32.SetArchitecture (eArchTypeMachO, ~(CPU_ARCH_MASK) & cputype, cpusubtype);
g_host_arch_64.SetArchitecture (eArchTypeMachO, cputype, cpusubtype);
}
else
{
// We have a 32 bit kernel on a 64 bit system
g_host_arch_32.SetArchitecture (eArchTypeMachO, cputype, cpusubtype);
cputype |= CPU_ARCH_ABI64;
g_host_arch_64.SetArchitecture (eArchTypeMachO, cputype, cpusubtype);
}
}
else
{
g_host_arch_32.SetArchitecture (eArchTypeMachO, cputype, cpusubtype);
g_host_arch_64.Clear();
}
}
}
#else // #if defined (__APPLE__)
if (g_supports_32 == false && g_supports_64 == false)
{
llvm::Triple triple(llvm::sys::getDefaultTargetTriple());
g_host_arch_32.Clear();
g_host_arch_64.Clear();
switch (triple.getArch())
{
default:
g_host_arch_32.SetTriple(triple);
g_supports_32 = true;
break;
case llvm::Triple::x86_64:
case llvm::Triple::sparcv9:
case llvm::Triple::ppc64:
case llvm::Triple::cellspu:
g_host_arch_64.SetTriple(triple);
g_supports_64 = true;
break;
}
g_supports_32 = g_host_arch_32.IsValid();
g_supports_64 = g_host_arch_64.IsValid();
}
#endif // #else for #if defined (__APPLE__)
if (arch_kind == eSystemDefaultArchitecture32)
return g_host_arch_32;
else if (arch_kind == eSystemDefaultArchitecture64)
return g_host_arch_64;
if (g_supports_64)
return g_host_arch_64;
return g_host_arch_32;
}
