diff options
Diffstat (limited to 'lldb/source/Host/linux')
| -rw-r--r-- | lldb/source/Host/linux/Host.cpp | 133 | ||||
| -rw-r--r-- | lldb/source/Host/linux/HostInfoLinux.cpp | 149 |
2 files changed, 149 insertions, 133 deletions
diff --git a/lldb/source/Host/linux/Host.cpp b/lldb/source/Host/linux/Host.cpp index 6c900063c85..a7cca2cb44f 100644 --- a/lldb/source/Host/linux/Host.cpp +++ b/lldb/source/Host/linux/Host.cpp @@ -147,28 +147,6 @@ GetLinuxProcessUserAndGroup (lldb::pid_t pid, ProcessInstanceInfo &process_info, process_info.SetEffectiveGroupID (eGid); } -bool -Host::GetOSVersion(uint32_t &major, - uint32_t &minor, - uint32_t &update) -{ - struct utsname un; - int status; - - if (uname(&un)) - return false; - - status = sscanf(un.release, "%u.%u.%u", &major, &minor, &update); - if (status == 3) - return true; - - // Some kernels omit the update version, so try looking for just "X.Y" and - // set update to 0. - update = 0; - status = sscanf(un.release, "%u.%u", &major, &minor); - return status == 2; -} - lldb::DataBufferSP Host::GetAuxvData(lldb_private::Process *process) { @@ -446,114 +424,3 @@ Host::GetEnvironment (StringList &env) env.AppendString(env_entry); return i; } - -const ConstString & -Host::GetDistributionId () -{ - // Try to run 'lbs_release -i', and use that response - // for the distribution id. - - static bool s_evaluated; - static ConstString s_distribution_id; - - if (!s_evaluated) - { - s_evaluated = true; - - Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_HOST)); - if (log) - log->Printf ("attempting to determine Linux distribution..."); - - // check if the lsb_release command exists at one of the - // following paths - const char *const exe_paths[] = { - "/bin/lsb_release", - "/usr/bin/lsb_release" - }; - - for (size_t exe_index = 0; - exe_index < sizeof (exe_paths) / sizeof (exe_paths[0]); - ++exe_index) - { - const char *const get_distribution_info_exe = exe_paths[exe_index]; - if (access (get_distribution_info_exe, F_OK)) - { - // this exe doesn't exist, move on to next exe - if (log) - log->Printf ("executable doesn't exist: %s", - get_distribution_info_exe); - continue; - } - - // execute the distribution-retrieval command, read output - std::string get_distribution_id_command (get_distribution_info_exe); - get_distribution_id_command += " -i"; - - FILE *file = popen (get_distribution_id_command.c_str (), "r"); - if (!file) - { - if (log) - log->Printf ( - "failed to run command: \"%s\", cannot retrieve " - "platform information", - get_distribution_id_command.c_str ()); - return s_distribution_id; - } - - // retrieve the distribution id string. - char distribution_id[256] = { '\0' }; - if (fgets (distribution_id, sizeof (distribution_id) - 1, file) - != NULL) - { - if (log) - log->Printf ("distribution id command returned \"%s\"", - distribution_id); - - const char *const distributor_id_key = "Distributor ID:\t"; - if (strstr (distribution_id, distributor_id_key)) - { - // strip newlines - std::string id_string (distribution_id + - strlen (distributor_id_key)); - id_string.erase( - std::remove ( - id_string.begin (), - id_string.end (), - '\n'), - id_string.end ()); - - // lower case it and convert whitespace to underscores - std::transform ( - id_string.begin(), - id_string.end (), - id_string.begin (), - [] (char ch) - { return tolower ( isspace (ch) ? '_' : ch ); }); - - s_distribution_id.SetCString (id_string.c_str ()); - if (log) - log->Printf ("distribution id set to \"%s\"", - s_distribution_id.GetCString ()); - } - else - { - if (log) - log->Printf ("failed to find \"%s\" field in \"%s\"", - distributor_id_key, distribution_id); - } - } - else - { - if (log) - log->Printf ( - "failed to retrieve distribution id, \"%s\" returned no" - " lines", get_distribution_id_command.c_str ()); - } - - // clean up the file - pclose(file); - } - } - - return s_distribution_id; -} diff --git a/lldb/source/Host/linux/HostInfoLinux.cpp b/lldb/source/Host/linux/HostInfoLinux.cpp new file mode 100644 index 00000000000..8e620f43ca6 --- /dev/null +++ b/lldb/source/Host/linux/HostInfoLinux.cpp @@ -0,0 +1,149 @@ +//===-- HostInfoLinux.cpp ---------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "lldb/Core/Log.h" +#include "lldb/Host/linux/HostInfoLinux.h" + +#include <stdio.h> +#include <string.h> +#include <sys/utsname.h> + +#include <algorithm> + +using namespace lldb_private; + +std::string HostInfoLinux::m_distribution_id; +uint32_t HostInfoLinux::m_os_major = 0; +uint32_t HostInfoLinux::m_os_minor = 0; +uint32_t HostInfoLinux::m_os_update = 0; + +bool +HostInfoLinux::GetOSVersion(uint32_t &major, uint32_t &minor, uint32_t &update) +{ + static bool is_initialized = false; + static bool success = false; + + if (!is_initialized) + { + is_initialized = true; + struct utsname un; + + if (uname(&un)) + goto finished; + + int status = sscanf(un.release, "%u.%u.%u", &major, &minor, &update); + if (status == 3) + { + success = true; + goto finished; + } + + // Some kernels omit the update version, so try looking for just "X.Y" and + // set update to 0. + update = 0; + status = sscanf(un.release, "%u.%u", &major, &minor); + success = !!(status == 2); + } + +finished: + major = m_os_major; + minor = m_os_minor; + update = m_os_update; + return success; +} + +llvm::StringRef +HostInfoLinux::GetDistributionId() +{ + static bool is_initialized = false; + // Try to run 'lbs_release -i', and use that response + // for the distribution id. + + if (!is_initialized) + { + is_initialized = true; + + Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_HOST)); + if (log) + log->Printf("attempting to determine Linux distribution..."); + + // check if the lsb_release command exists at one of the + // following paths + const char *const exe_paths[] = {"/bin/lsb_release", "/usr/bin/lsb_release"}; + + for (size_t exe_index = 0; exe_index < sizeof(exe_paths) / sizeof(exe_paths[0]); ++exe_index) + { + const char *const get_distribution_info_exe = exe_paths[exe_index]; + if (access(get_distribution_info_exe, F_OK)) + { + // this exe doesn't exist, move on to next exe + if (log) + log->Printf("executable doesn't exist: %s", get_distribution_info_exe); + continue; + } + + // execute the distribution-retrieval command, read output + std::string get_distribution_id_command(get_distribution_info_exe); + get_distribution_id_command += " -i"; + + FILE *file = popen(get_distribution_id_command.c_str(), "r"); + if (!file) + { + if (log) + log->Printf("failed to run command: \"%s\", cannot retrieve " + "platform information", + get_distribution_id_command.c_str()); + break; + } + + // retrieve the distribution id string. + char distribution_id[256] = {'\0'}; + if (fgets(distribution_id, sizeof(distribution_id) - 1, file) != NULL) + { + if (log) + log->Printf("distribution id command returned \"%s\"", distribution_id); + + const char *const distributor_id_key = "Distributor ID:\t"; + if (strstr(distribution_id, distributor_id_key)) + { + // strip newlines + std::string id_string(distribution_id + strlen(distributor_id_key)); + id_string.erase(std::remove(id_string.begin(), id_string.end(), '\n'), id_string.end()); + + // lower case it and convert whitespace to underscores + std::transform(id_string.begin(), id_string.end(), id_string.begin(), [](char ch) + { + return tolower(isspace(ch) ? '_' : ch); + }); + + m_distribution_id = id_string; + if (log) + log->Printf("distribution id set to \"%s\"", m_distribution_id.c_str()); + } + else + { + if (log) + log->Printf("failed to find \"%s\" field in \"%s\"", distributor_id_key, distribution_id); + } + } + else + { + if (log) + log->Printf("failed to retrieve distribution id, \"%s\" returned no" + " lines", + get_distribution_id_command.c_str()); + } + + // clean up the file + pclose(file); + } + } + + return m_distribution_id.c_str(); +} |
