================ @@ -0,0 +1,154 @@ +//===-- HostInfoAIX.cpp -------------------------------------------------===// +// +// 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/aix/HostInfoAIX.h" +#include "lldb/Host/Config.h" +#include "lldb/Host/FileSystem.h" +#include "lldb/Utility/LLDBLog.h" +#include "lldb/Utility/Log.h" + +#include "llvm/Support/Threading.h" + +#include <climits> +#include <cstdio> +#include <cstring> +#include <sys/utsname.h> +#include <unistd.h> + +#include <algorithm> +#include <mutex> + +using namespace lldb_private; + +namespace { +struct HostInfoAIXFields { + llvm::once_flag m_distribution_once_flag; + std::string m_distribution_id; +}; +} // namespace + +static HostInfoAIXFields *g_fields = nullptr; + +void HostInfoAIX::Initialize(SharedLibraryDirectoryHelper *helper) { + HostInfoPosix::Initialize(helper); + + g_fields = new HostInfoAIXFields(); +} + +void HostInfoAIX::Terminate() { + assert(g_fields && "Missing call to Initialize?"); + delete g_fields; + g_fields = nullptr; + HostInfoBase::Terminate(); +} + +llvm::StringRef HostInfoAIX::GetDistributionId() { + assert(g_fields && "Missing call to Initialize?"); + // Try to run 'lbs_release -i', and use that response for the distribution + // id. + llvm::call_once(g_fields->m_distribution_once_flag, []() { + Log *log = GetLog(LLDBLog::Host); + LLDB_LOGF(log, "attempting to determine AIX 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 + LLDB_LOGF(log, "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) { + LLDB_LOGF(log, + "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) != + nullptr) { + LLDB_LOGF(log, "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)); + llvm::erase(id_string, '\n'); + + // 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); }); + + g_fields->m_distribution_id = id_string; + LLDB_LOGF(log, "distribution id set to \"%s\"", + g_fields->m_distribution_id.c_str()); + } else { + LLDB_LOGF(log, "failed to find \"%s\" field in \"%s\"", + distributor_id_key, distribution_id); + } + } else { + LLDB_LOGF(log, + "failed to retrieve distribution id, \"%s\" returned no" + " lines", + get_distribution_id_command.c_str()); + } + + // clean up the file + pclose(file); + } + }); + + return g_fields->m_distribution_id; +} + +FileSpec HostInfoAIX::GetProgramFileSpec() { + static FileSpec g_program_filespec; + + if (!g_program_filespec) { + char exe_path[PATH_MAX]; + ssize_t len = readlink("/proc/self/exe", exe_path, sizeof(exe_path) - 1); + if (len > 0) { + exe_path[len] = 0; + g_program_filespec.SetFile(exe_path, FileSpec::Style::native); + } + } + + return g_program_filespec; +} ---------------- DavidSpickett wrote:
OpenBSD support is in some unknown state right now, so I suspect you will need it but I can't tell you what for :) https://github.com/llvm/llvm-project/pull/117906 _______________________________________________ lldb-commits mailing list lldb-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits
