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authorDimitry Andric <dim@FreeBSD.org>2017-01-02 19:26:05 +0000
committerDimitry Andric <dim@FreeBSD.org>2017-01-02 19:26:05 +0000
commit14f1b3e8826ce43b978db93a62d1166055db5394 (patch)
tree0a00ad8d3498783fe0193f3b656bca17c4c8697d /source/Host/posix/HostInfoPosix.cpp
parent4ee8c119c71a06dcad1e0fecc8c675e480e59337 (diff)
downloadsrc-14f1b3e8826ce43b978db93a62d1166055db5394.tar.gz
src-14f1b3e8826ce43b978db93a62d1166055db5394.zip
Vendor import of lldb trunk r290819:vendor/lldb/lldb-trunk-r290819
Notes
Notes: svn path=/vendor/lldb/dist/; revision=311128 svn path=/vendor/lldb/lldb-trunk-r290819/; revision=311129; tag=vendor/lldb/lldb-trunk-r290819
Diffstat (limited to 'source/Host/posix/HostInfoPosix.cpp')
-rw-r--r--source/Host/posix/HostInfoPosix.cpp323
1 files changed, 150 insertions, 173 deletions
diff --git a/source/Host/posix/HostInfoPosix.cpp b/source/Host/posix/HostInfoPosix.cpp
index d0ef2ca37061..38aac59ecc40 100644
--- a/source/Host/posix/HostInfoPosix.cpp
+++ b/source/Host/posix/HostInfoPosix.cpp
@@ -14,7 +14,11 @@
#include "lldb/Core/Log.h"
#include "lldb/Host/posix/HostInfoPosix.h"
+#include "clang/Basic/Version.h"
+#include "clang/Config/config.h"
#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/Twine.h"
+#include "llvm/Support/Path.h"
#include "llvm/Support/raw_ostream.h"
#include <grp.h>
@@ -28,30 +32,23 @@
using namespace lldb_private;
-size_t
-HostInfoPosix::GetPageSize()
-{
- return ::getpagesize();
-}
+size_t HostInfoPosix::GetPageSize() { return ::getpagesize(); }
-bool
-HostInfoPosix::GetHostname(std::string &s)
-{
- char hostname[PATH_MAX];
- hostname[sizeof(hostname) - 1] = '\0';
- if (::gethostname(hostname, sizeof(hostname) - 1) == 0)
- {
- struct hostent *h = ::gethostbyname(hostname);
- if (h)
- s.assign(h->h_name);
- else
- s.assign(hostname);
- return true;
- }
- return false;
+bool HostInfoPosix::GetHostname(std::string &s) {
+ char hostname[PATH_MAX];
+ hostname[sizeof(hostname) - 1] = '\0';
+ if (::gethostname(hostname, sizeof(hostname) - 1) == 0) {
+ struct hostent *h = ::gethostbyname(hostname);
+ if (h)
+ s.assign(h->h_name);
+ else
+ s.assign(hostname);
+ return true;
+ }
+ return false;
}
-#ifdef __ANDROID_NDK__
+#ifdef __ANDROID__
#include <android/api-level.h>
#endif
#if defined(__ANDROID_API__) && __ANDROID_API__ < 21
@@ -62,194 +59,174 @@ HostInfoPosix::GetHostname(std::string &s)
static std::mutex s_getpwuid_lock;
#endif
-const char *
-HostInfoPosix::LookupUserName(uint32_t uid, std::string &user_name)
-{
+const char *HostInfoPosix::LookupUserName(uint32_t uid,
+ std::string &user_name) {
#ifdef USE_GETPWUID
- // getpwuid_r is missing from android-9
- // make getpwuid thread safe with a mutex
- std::lock_guard<std::mutex> lock(s_getpwuid_lock);
- struct passwd *user_info_ptr = ::getpwuid(uid);
- if (user_info_ptr)
- {
- user_name.assign(user_info_ptr->pw_name);
- return user_name.c_str();
- }
+ // getpwuid_r is missing from android-9
+ // make getpwuid thread safe with a mutex
+ std::lock_guard<std::mutex> lock(s_getpwuid_lock);
+ struct passwd *user_info_ptr = ::getpwuid(uid);
+ if (user_info_ptr) {
+ user_name.assign(user_info_ptr->pw_name);
+ return user_name.c_str();
+ }
#else
- struct passwd user_info;
- struct passwd *user_info_ptr = &user_info;
- char user_buffer[PATH_MAX];
- size_t user_buffer_size = sizeof(user_buffer);
- if (::getpwuid_r(uid, &user_info, user_buffer, user_buffer_size, &user_info_ptr) == 0)
- {
- if (user_info_ptr)
- {
- user_name.assign(user_info_ptr->pw_name);
- return user_name.c_str();
- }
+ struct passwd user_info;
+ struct passwd *user_info_ptr = &user_info;
+ char user_buffer[PATH_MAX];
+ size_t user_buffer_size = sizeof(user_buffer);
+ if (::getpwuid_r(uid, &user_info, user_buffer, user_buffer_size,
+ &user_info_ptr) == 0) {
+ if (user_info_ptr) {
+ user_name.assign(user_info_ptr->pw_name);
+ return user_name.c_str();
}
+ }
#endif
- user_name.clear();
- return nullptr;
+ user_name.clear();
+ return nullptr;
}
-const char *
-HostInfoPosix::LookupGroupName(uint32_t gid, std::string &group_name)
-{
+const char *HostInfoPosix::LookupGroupName(uint32_t gid,
+ std::string &group_name) {
#ifndef __ANDROID__
- char group_buffer[PATH_MAX];
- size_t group_buffer_size = sizeof(group_buffer);
- struct group group_info;
- struct group *group_info_ptr = &group_info;
- // Try the threadsafe version first
- if (::getgrgid_r(gid, &group_info, group_buffer, group_buffer_size, &group_info_ptr) == 0)
- {
- if (group_info_ptr)
- {
- group_name.assign(group_info_ptr->gr_name);
- return group_name.c_str();
- }
+ char group_buffer[PATH_MAX];
+ size_t group_buffer_size = sizeof(group_buffer);
+ struct group group_info;
+ struct group *group_info_ptr = &group_info;
+ // Try the threadsafe version first
+ if (::getgrgid_r(gid, &group_info, group_buffer, group_buffer_size,
+ &group_info_ptr) == 0) {
+ if (group_info_ptr) {
+ group_name.assign(group_info_ptr->gr_name);
+ return group_name.c_str();
}
- else
- {
- // The threadsafe version isn't currently working for me on darwin, but the non-threadsafe version
- // is, so I am calling it below.
- group_info_ptr = ::getgrgid(gid);
- if (group_info_ptr)
- {
- group_name.assign(group_info_ptr->gr_name);
- return group_name.c_str();
- }
+ } else {
+ // The threadsafe version isn't currently working for me on darwin, but the
+ // non-threadsafe version
+ // is, so I am calling it below.
+ group_info_ptr = ::getgrgid(gid);
+ if (group_info_ptr) {
+ group_name.assign(group_info_ptr->gr_name);
+ return group_name.c_str();
}
- group_name.clear();
+ }
+ group_name.clear();
#else
- assert(false && "getgrgid_r() not supported on Android");
+ assert(false && "getgrgid_r() not supported on Android");
#endif
- return NULL;
+ return NULL;
}
-uint32_t
-HostInfoPosix::GetUserID()
-{
- return getuid();
-}
+uint32_t HostInfoPosix::GetUserID() { return getuid(); }
-uint32_t
-HostInfoPosix::GetGroupID()
-{
- return getgid();
-}
+uint32_t HostInfoPosix::GetGroupID() { return getgid(); }
-uint32_t
-HostInfoPosix::GetEffectiveUserID()
-{
- return geteuid();
-}
+uint32_t HostInfoPosix::GetEffectiveUserID() { return geteuid(); }
-uint32_t
-HostInfoPosix::GetEffectiveGroupID()
-{
- return getegid();
-}
+uint32_t HostInfoPosix::GetEffectiveGroupID() { return getegid(); }
-FileSpec
-HostInfoPosix::GetDefaultShell()
-{
- return FileSpec("/bin/sh", false);
-}
+FileSpec HostInfoPosix::GetDefaultShell() { return FileSpec("/bin/sh", false); }
+
+bool HostInfoPosix::ComputePathRelativeToLibrary(FileSpec &file_spec,
+ llvm::StringRef dir) {
+ Log *log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST);
-bool
-HostInfoPosix::ComputeSupportExeDirectory(FileSpec &file_spec)
-{
- Log *log = lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST);
+ FileSpec lldb_file_spec;
+ if (!GetLLDBPath(lldb::ePathTypeLLDBShlibDir, lldb_file_spec))
+ return false;
+
+ std::string raw_path = lldb_file_spec.GetPath();
+ // drop library directory
+ llvm::StringRef parent_path = llvm::sys::path::parent_path(raw_path);
- FileSpec lldb_file_spec;
- if (!GetLLDBPath(lldb::ePathTypeLLDBShlibDir, lldb_file_spec))
- return false;
+ // Most Posix systems (e.g. Linux/*BSD) will attempt to replace a */lib with
+ // */bin as the base directory for helper exe programs. This will fail if the
+ // /lib and /bin directories are rooted in entirely different trees.
+ if (log)
+ log->Printf("HostInfoPosix::ComputePathRelativeToLibrary() attempting to "
+ "derive the %s path from this path: %s",
+ dir.data(), raw_path.c_str());
- char raw_path[PATH_MAX];
- lldb_file_spec.GetPath(raw_path, sizeof(raw_path));
+ if (!parent_path.empty()) {
+ // Now write in bin in place of lib.
+ raw_path = (parent_path + dir).str();
- // Most Posix systems (e.g. Linux/*BSD) will attempt to replace a */lib with */bin as the base
- // directory for helper exe programs. This will fail if the /lib and /bin directories are
- // rooted in entirely different trees.
if (log)
- log->Printf("HostInfoPosix::ComputeSupportExeDirectory() attempting to derive the bin path (ePathTypeSupportExecutableDir) from "
- "this path: %s",
- raw_path);
- char *lib_pos = ::strstr(raw_path, "/lib");
- if (lib_pos != nullptr)
- {
- // Now write in bin in place of lib.
- ::snprintf(lib_pos, PATH_MAX - (lib_pos - raw_path), "/bin");
-
- if (log)
- log->Printf("Host::%s() derived the bin path as: %s", __FUNCTION__, raw_path);
- }
- else
- {
- if (log)
- log->Printf("Host::%s() failed to find /lib/liblldb within the shared lib path, bailing on bin path construction",
- __FUNCTION__);
- }
- file_spec.GetDirectory().SetCString(raw_path);
- return (bool)file_spec.GetDirectory();
+ log->Printf("Host::%s() derived the bin path as: %s", __FUNCTION__,
+ raw_path.c_str());
+ } else {
+ if (log)
+ log->Printf("Host::%s() failed to find /lib/liblldb within the shared "
+ "lib path, bailing on bin path construction",
+ __FUNCTION__);
+ }
+ file_spec.GetDirectory().SetString(raw_path);
+ return (bool)file_spec.GetDirectory();
}
-bool
-HostInfoPosix::ComputeHeaderDirectory(FileSpec &file_spec)
-{
- FileSpec temp_file("/opt/local/include/lldb", false);
- file_spec.GetDirectory().SetCString(temp_file.GetPath().c_str());
- return true;
+bool HostInfoPosix::ComputeSupportExeDirectory(FileSpec &file_spec) {
+ return ComputePathRelativeToLibrary(file_spec, "/bin");
}
-bool
-HostInfoPosix::ComputePythonDirectory(FileSpec &file_spec)
-{
-#ifndef LLDB_DISABLE_PYTHON
- FileSpec lldb_file_spec;
- if (!GetLLDBPath(lldb::ePathTypeLLDBShlibDir, lldb_file_spec))
- return false;
+bool HostInfoPosix::ComputeClangDirectory(FileSpec &file_spec) {
+ return ComputePathRelativeToLibrary(
+ file_spec, (llvm::Twine("/lib") + CLANG_LIBDIR_SUFFIX + "/clang/" +
+ CLANG_VERSION_STRING)
+ .str());
+}
- char raw_path[PATH_MAX];
- lldb_file_spec.GetPath(raw_path, sizeof(raw_path));
+bool HostInfoPosix::ComputeHeaderDirectory(FileSpec &file_spec) {
+ FileSpec temp_file("/opt/local/include/lldb", false);
+ file_spec.GetDirectory().SetCString(temp_file.GetPath().c_str());
+ return true;
+}
-#if defined(LLDB_PYTHON_RELATIVE_LIBDIR)
- // Build the path by backing out of the lib dir, then building
- // with whatever the real python interpreter uses. (e.g. lib
- // for most, lib64 on RHEL x86_64).
- char python_path[PATH_MAX];
- ::snprintf(python_path, sizeof(python_path), "%s/../%s", raw_path, LLDB_PYTHON_RELATIVE_LIBDIR);
+bool HostInfoPosix::ComputePythonDirectory(FileSpec &file_spec) {
+#ifndef LLDB_DISABLE_PYTHON
+ FileSpec lldb_file_spec;
+ if (!GetLLDBPath(lldb::ePathTypeLLDBShlibDir, lldb_file_spec))
+ return false;
- char final_path[PATH_MAX];
- realpath(python_path, final_path);
- file_spec.GetDirectory().SetCString(final_path);
+ char raw_path[PATH_MAX];
+ lldb_file_spec.GetPath(raw_path, sizeof(raw_path));
- return true;
+#if defined(LLDB_PYTHON_RELATIVE_LIBDIR)
+ // Build the path by backing out of the lib dir, then building
+ // with whatever the real python interpreter uses. (e.g. lib
+ // for most, lib64 on RHEL x86_64).
+ char python_path[PATH_MAX];
+ ::snprintf(python_path, sizeof(python_path), "%s/../%s", raw_path,
+ LLDB_PYTHON_RELATIVE_LIBDIR);
+
+ char final_path[PATH_MAX];
+ realpath(python_path, final_path);
+ file_spec.GetDirectory().SetCString(final_path);
+
+ return true;
#else
- llvm::SmallString<256> python_version_dir;
- llvm::raw_svector_ostream os(python_version_dir);
- os << "/python" << PY_MAJOR_VERSION << '.' << PY_MINOR_VERSION << "/site-packages";
+ llvm::SmallString<256> python_version_dir;
+ llvm::raw_svector_ostream os(python_version_dir);
+ os << "/python" << PY_MAJOR_VERSION << '.' << PY_MINOR_VERSION
+ << "/site-packages";
- // We may get our string truncated. Should we protect this with an assert?
- ::strncat(raw_path, python_version_dir.c_str(), sizeof(raw_path) - strlen(raw_path) - 1);
+ // We may get our string truncated. Should we protect this with an assert?
+ ::strncat(raw_path, python_version_dir.c_str(),
+ sizeof(raw_path) - strlen(raw_path) - 1);
- file_spec.GetDirectory().SetCString(raw_path);
- return true;
+ file_spec.GetDirectory().SetCString(raw_path);
+ return true;
#endif
#else
- return false;
+ return false;
#endif
}
-bool
-HostInfoPosix::GetEnvironmentVar(const std::string &var_name, std::string &var)
-{
- if (const char *pvar = ::getenv(var_name.c_str()))
- {
- var = std::string(pvar);
- return true;
- }
- return false;
+bool HostInfoPosix::GetEnvironmentVar(const std::string &var_name,
+ std::string &var) {
+ if (const char *pvar = ::getenv(var_name.c_str())) {
+ var = std::string(pvar);
+ return true;
+ }
+ return false;
}