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//===-- HostInfoMacOSX.mm ---------------------------------------*- 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
//
//===----------------------------------------------------------------------===//
#include "lldb/Host/macosx/HostInfoMacOSX.h"
#include "lldb/Host/FileSystem.h"
#include "lldb/Host/HostInfo.h"
#include "lldb/Utility/Args.h"
#include "lldb/Utility/Log.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/raw_ostream.h"
// C++ Includes
#include <string>
// C inclues
#include <stdlib.h>
#include <sys/sysctl.h>
#include <sys/syslimits.h>
#include <sys/types.h>
// Objective-C/C++ includes
#include <CoreFoundation/CoreFoundation.h>
#include <Foundation/Foundation.h>
#include <mach-o/dyld.h>
#include <objc/objc-auto.h>
// These are needed when compiling on systems
// that do not yet have these definitions
#include <AvailabilityMacros.h>
#ifndef CPU_SUBTYPE_X86_64_H
#define CPU_SUBTYPE_X86_64_H ((cpu_subtype_t)8)
#endif
#ifndef CPU_TYPE_ARM64
#define CPU_TYPE_ARM64 (CPU_TYPE_ARM | CPU_ARCH_ABI64)
#endif
#ifndef CPU_TYPE_ARM64_32
#define CPU_ARCH_ABI64_32 0x02000000
#define (CPU_TYPE_ARM | CPU_ARCH_ABI64_32)
#endif
#include <TargetConditionals.h> // for TARGET_OS_TV, TARGET_OS_WATCH
using namespace lldb_private;
bool HostInfoMacOSX::GetOSBuildString(std::string &s) {
int mib[2] = {CTL_KERN, KERN_OSVERSION};
char cstr[PATH_MAX];
size_t cstr_len = sizeof(cstr);
if (::sysctl(mib, 2, cstr, &cstr_len, NULL, 0) == 0) {
s.assign(cstr, cstr_len);
return true;
}
s.clear();
return false;
}
bool HostInfoMacOSX::GetOSKernelDescription(std::string &s) {
int mib[2] = {CTL_KERN, KERN_VERSION};
char cstr[PATH_MAX];
size_t cstr_len = sizeof(cstr);
if (::sysctl(mib, 2, cstr, &cstr_len, NULL, 0) == 0) {
s.assign(cstr, cstr_len);
return true;
}
s.clear();
return false;
}
static void ParseOSVersion(llvm::VersionTuple &version, NSString *Key) {
@autoreleasepool {
NSDictionary *version_info =
[NSDictionary dictionaryWithContentsOfFile:
@"/System/Library/CoreServices/SystemVersion.plist"];
NSString *version_value = [version_info objectForKey: Key];
const char *version_str = [version_value UTF8String];
version.tryParse(version_str);
}
}
llvm::VersionTuple HostInfoMacOSX::GetOSVersion() {
static llvm::VersionTuple g_version;
if (g_version.empty())
ParseOSVersion(g_version, @"ProductVersion");
return g_version;
}
llvm::VersionTuple HostInfoMacOSX::GetMacCatalystVersion() {
static llvm::VersionTuple g_version;
if (g_version.empty())
ParseOSVersion(g_version, @"iOSSupportVersion");
return g_version;
}
FileSpec HostInfoMacOSX::GetProgramFileSpec() {
static FileSpec g_program_filespec;
if (!g_program_filespec) {
char program_fullpath[PATH_MAX];
// If DST is NULL, then return the number of bytes needed.
uint32_t len = sizeof(program_fullpath);
int err = _NSGetExecutablePath(program_fullpath, &len);
if (err == 0)
g_program_filespec.SetFile(program_fullpath, FileSpec::Style::native);
else if (err == -1) {
char *large_program_fullpath = (char *)::malloc(len + 1);
err = _NSGetExecutablePath(large_program_fullpath, &len);
if (err == 0)
g_program_filespec.SetFile(large_program_fullpath,
FileSpec::Style::native);
::free(large_program_fullpath);
}
}
return g_program_filespec;
}
bool HostInfoMacOSX::ComputeSupportExeDirectory(FileSpec &file_spec) {
FileSpec lldb_file_spec = GetShlibDir();
if (!lldb_file_spec)
return false;
std::string raw_path = lldb_file_spec.GetPath();
size_t framework_pos = raw_path.find("LLDB.framework");
if (framework_pos != std::string::npos) {
framework_pos += strlen("LLDB.framework");
#if defined(__arm__) || defined(__arm64__) || defined(__aarch64__)
// Shallow bundle
raw_path.resize(framework_pos);
#else
// Normal bundle
raw_path.resize(framework_pos);
raw_path.append("/Resources");
#endif
} else {
// Find the bin path relative to the lib path where the cmake-based
// OS X .dylib lives. This is not going to work if the bin and lib
// dir are not both in the same dir.
//
// It is not going to work to do it by the executable path either,
// as in the case of a python script, the executable is python, not
// the lldb driver.
raw_path.append("/../bin");
FileSpec support_dir_spec(raw_path);
FileSystem::Instance().Resolve(support_dir_spec);
if (!FileSystem::Instance().IsDirectory(support_dir_spec)) {
Log *log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST);
LLDB_LOGF(log, "HostInfoMacOSX::%s(): failed to find support directory",
__FUNCTION__);
return false;
}
// Get normalization from support_dir_spec. Note the FileSpec resolve
// does not remove '..' in the path.
char *const dir_realpath =
realpath(support_dir_spec.GetPath().c_str(), NULL);
if (dir_realpath) {
raw_path = dir_realpath;
free(dir_realpath);
} else {
raw_path = support_dir_spec.GetPath();
}
}
file_spec.GetDirectory().SetString(
llvm::StringRef(raw_path.c_str(), raw_path.size()));
return (bool)file_spec.GetDirectory();
}
bool HostInfoMacOSX::ComputeHeaderDirectory(FileSpec &file_spec) {
FileSpec lldb_file_spec = GetShlibDir();
if (!lldb_file_spec)
return false;
std::string raw_path = lldb_file_spec.GetPath();
size_t framework_pos = raw_path.find("LLDB.framework");
if (framework_pos != std::string::npos) {
framework_pos += strlen("LLDB.framework");
raw_path.resize(framework_pos);
raw_path.append("/Headers");
}
file_spec.GetDirectory().SetString(
llvm::StringRef(raw_path.c_str(), raw_path.size()));
return true;
}
bool HostInfoMacOSX::ComputeSystemPluginsDirectory(FileSpec &file_spec) {
FileSpec lldb_file_spec = GetShlibDir();
if (!lldb_file_spec)
return false;
std::string raw_path = lldb_file_spec.GetPath();
size_t framework_pos = raw_path.find("LLDB.framework");
if (framework_pos == std::string::npos)
return false;
framework_pos += strlen("LLDB.framework");
raw_path.resize(framework_pos);
raw_path.append("/Resources/PlugIns");
file_spec.GetDirectory().SetString(
llvm::StringRef(raw_path.c_str(), raw_path.size()));
return true;
}
bool HostInfoMacOSX::ComputeUserPluginsDirectory(FileSpec &file_spec) {
FileSpec temp_file("~/Library/Application Support/LLDB/PlugIns");
FileSystem::Instance().Resolve(temp_file);
file_spec.GetDirectory().SetCString(temp_file.GetPath().c_str());
return true;
}
void HostInfoMacOSX::ComputeHostArchitectureSupport(ArchSpec &arch_32,
ArchSpec &arch_64) {
// All apple systems support 32 bit execution.
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);
::sysctlbyname("hw.cpu64bit_capable", &is_64_bit_capable, &len, NULL, 0);
if (is_64_bit_capable) {
if (cputype & CPU_ARCH_ABI64) {
// We have a 64 bit kernel on a 64 bit system
arch_64.SetArchitecture(eArchTypeMachO, cputype, cpusubtype);
} else {
// We have a 64 bit kernel that is returning a 32 bit cputype, the
// cpusubtype will be correct as if it were for a 64 bit architecture
arch_64.SetArchitecture(eArchTypeMachO, cputype | CPU_ARCH_ABI64,
cpusubtype);
}
// Now we need modify the cpusubtype for the 32 bit slices.
uint32_t cpusubtype32 = cpusubtype;
#if defined(__i386__) || defined(__x86_64__)
if (cpusubtype == CPU_SUBTYPE_486 || cpusubtype == CPU_SUBTYPE_X86_64_H)
cpusubtype32 = CPU_SUBTYPE_I386_ALL;
#elif defined(__arm__) || defined(__arm64__) || defined(__aarch64__)
if (cputype == CPU_TYPE_ARM || cputype == CPU_TYPE_ARM64)
cpusubtype32 = CPU_SUBTYPE_ARM_V7S;
#endif
arch_32.SetArchitecture(eArchTypeMachO, cputype & ~(CPU_ARCH_MASK),
cpusubtype32);
if (cputype == CPU_TYPE_ARM ||
cputype == CPU_TYPE_ARM64 ||
cputype == CPU_TYPE_ARM64_32) {
// When running on a watch or tv, report the host os correctly
#if defined(TARGET_OS_TV) && TARGET_OS_TV == 1
arch_32.GetTriple().setOS(llvm::Triple::TvOS);
arch_64.GetTriple().setOS(llvm::Triple::TvOS);
#elif defined(TARGET_OS_BRIDGE) && TARGET_OS_BRIDGE == 1
arch_32.GetTriple().setOS(llvm::Triple::BridgeOS);
arch_64.GetTriple().setOS(llvm::Triple::BridgeOS);
#elif defined(TARGET_OS_WATCHOS) && TARGET_OS_WATCHOS == 1
arch_32.GetTriple().setOS(llvm::Triple::WatchOS);
arch_64.GetTriple().setOS(llvm::Triple::WatchOS);
#else
arch_32.GetTriple().setOS(llvm::Triple::IOS);
arch_64.GetTriple().setOS(llvm::Triple::IOS);
#endif
} else {
arch_32.GetTriple().setOS(llvm::Triple::MacOSX);
arch_64.GetTriple().setOS(llvm::Triple::MacOSX);
}
} else {
// We have a 32 bit kernel on a 32 bit system
arch_32.SetArchitecture(eArchTypeMachO, cputype, cpusubtype);
#if defined(TARGET_OS_WATCH) && TARGET_OS_WATCH == 1
arch_32.GetTriple().setOS(llvm::Triple::WatchOS);
#else
arch_32.GetTriple().setOS(llvm::Triple::IOS);
#endif
arch_64.Clear();
}
}
}