213 lines
6.4 KiB
C++
213 lines
6.4 KiB
C++
//===-- ProcessInfo.h -------------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLDB_UTILITY_PROCESSINFO_H
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#define LLDB_UTILITY_PROCESSINFO_H
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#include "lldb/Utility/ArchSpec.h"
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#include "lldb/Utility/Args.h"
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#include "lldb/Utility/Environment.h"
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#include "lldb/Utility/FileSpec.h"
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#include "lldb/Utility/NameMatches.h"
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#include <vector>
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namespace lldb_private {
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class UserIDResolver;
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// ProcessInfo
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//
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// A base class for information for a process. This can be used to fill
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// out information for a process prior to launching it, or it can be used for
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// an instance of a process and can be filled in with the existing values for
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// that process.
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class ProcessInfo {
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public:
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ProcessInfo();
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ProcessInfo(const char *name, const ArchSpec &arch, lldb::pid_t pid);
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void Clear();
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const char *GetName() const;
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llvm::StringRef GetNameAsStringRef() const;
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FileSpec &GetExecutableFile() { return m_executable; }
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void SetExecutableFile(const FileSpec &exe_file,
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bool add_exe_file_as_first_arg);
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const FileSpec &GetExecutableFile() const { return m_executable; }
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uint32_t GetUserID() const { return m_uid; }
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uint32_t GetGroupID() const { return m_gid; }
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bool UserIDIsValid() const { return m_uid != UINT32_MAX; }
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bool GroupIDIsValid() const { return m_gid != UINT32_MAX; }
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void SetUserID(uint32_t uid) { m_uid = uid; }
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void SetGroupID(uint32_t gid) { m_gid = gid; }
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ArchSpec &GetArchitecture() { return m_arch; }
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const ArchSpec &GetArchitecture() const { return m_arch; }
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void SetArchitecture(const ArchSpec &arch) { m_arch = arch; }
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lldb::pid_t GetProcessID() const { return m_pid; }
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void SetProcessID(lldb::pid_t pid) { m_pid = pid; }
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bool ProcessIDIsValid() const { return m_pid != LLDB_INVALID_PROCESS_ID; }
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void Dump(Stream &s, Platform *platform) const;
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Args &GetArguments() { return m_arguments; }
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const Args &GetArguments() const { return m_arguments; }
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llvm::StringRef GetArg0() const;
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void SetArg0(llvm::StringRef arg);
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void SetArguments(const Args &args, bool first_arg_is_executable);
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void SetArguments(char const **argv, bool first_arg_is_executable);
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Environment &GetEnvironment() { return m_environment; }
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const Environment &GetEnvironment() const { return m_environment; }
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protected:
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FileSpec m_executable;
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std::string m_arg0; // argv[0] if supported. If empty, then use m_executable.
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// Not all process plug-ins support specifying an argv[0] that differs from
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// the resolved platform executable (which is in m_executable)
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Args m_arguments; // All program arguments except argv[0]
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Environment m_environment;
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uint32_t m_uid = UINT32_MAX;
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uint32_t m_gid = UINT32_MAX;
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ArchSpec m_arch;
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lldb::pid_t m_pid = LLDB_INVALID_PROCESS_ID;
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};
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// ProcessInstanceInfo
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//
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// Describes an existing process and any discoverable information that pertains
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// to that process.
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class ProcessInstanceInfo : public ProcessInfo {
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public:
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ProcessInstanceInfo() = default;
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ProcessInstanceInfo(const char *name, const ArchSpec &arch, lldb::pid_t pid)
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: ProcessInfo(name, arch, pid), m_euid(UINT32_MAX), m_egid(UINT32_MAX),
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m_parent_pid(LLDB_INVALID_PROCESS_ID) {}
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void Clear() {
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ProcessInfo::Clear();
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m_euid = UINT32_MAX;
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m_egid = UINT32_MAX;
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m_parent_pid = LLDB_INVALID_PROCESS_ID;
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}
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uint32_t GetEffectiveUserID() const { return m_euid; }
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uint32_t GetEffectiveGroupID() const { return m_egid; }
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bool EffectiveUserIDIsValid() const { return m_euid != UINT32_MAX; }
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bool EffectiveGroupIDIsValid() const { return m_egid != UINT32_MAX; }
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void SetEffectiveUserID(uint32_t uid) { m_euid = uid; }
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void SetEffectiveGroupID(uint32_t gid) { m_egid = gid; }
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lldb::pid_t GetParentProcessID() const { return m_parent_pid; }
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void SetParentProcessID(lldb::pid_t pid) { m_parent_pid = pid; }
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bool ParentProcessIDIsValid() const {
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return m_parent_pid != LLDB_INVALID_PROCESS_ID;
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}
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void Dump(Stream &s, UserIDResolver &resolver) const;
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static void DumpTableHeader(Stream &s, bool show_args, bool verbose);
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void DumpAsTableRow(Stream &s, UserIDResolver &resolver, bool show_args,
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bool verbose) const;
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protected:
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uint32_t m_euid = UINT32_MAX;
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uint32_t m_egid = UINT32_MAX;
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lldb::pid_t m_parent_pid = LLDB_INVALID_PROCESS_ID;
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};
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typedef std::vector<ProcessInstanceInfo> ProcessInstanceInfoList;
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// ProcessInstanceInfoMatch
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//
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// A class to help matching one ProcessInstanceInfo to another.
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class ProcessInstanceInfoMatch {
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public:
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ProcessInstanceInfoMatch() = default;
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ProcessInstanceInfoMatch(const char *process_name,
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NameMatch process_name_match_type)
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: m_name_match_type(process_name_match_type), m_match_all_users(false) {
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m_match_info.GetExecutableFile().SetFile(process_name,
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FileSpec::Style::native);
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}
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ProcessInstanceInfo &GetProcessInfo() { return m_match_info; }
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const ProcessInstanceInfo &GetProcessInfo() const { return m_match_info; }
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bool GetMatchAllUsers() const { return m_match_all_users; }
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void SetMatchAllUsers(bool b) { m_match_all_users = b; }
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NameMatch GetNameMatchType() const { return m_name_match_type; }
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void SetNameMatchType(NameMatch name_match_type) {
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m_name_match_type = name_match_type;
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}
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/// Return true iff the architecture in this object matches arch_spec.
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bool ArchitectureMatches(const ArchSpec &arch_spec) const;
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/// Return true iff the process name in this object matches process_name.
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bool NameMatches(const char *process_name) const;
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/// Return true iff the process ID and parent process IDs in this object match
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/// the ones in proc_info.
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bool ProcessIDsMatch(const ProcessInstanceInfo &proc_info) const;
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/// Return true iff the (both effective and real) user and group IDs in this
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/// object match the ones in proc_info.
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bool UserIDsMatch(const ProcessInstanceInfo &proc_info) const;
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bool Matches(const ProcessInstanceInfo &proc_info) const;
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bool MatchAllProcesses() const;
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void Clear();
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protected:
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ProcessInstanceInfo m_match_info;
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NameMatch m_name_match_type = NameMatch::Ignore;
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bool m_match_all_users = false;
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};
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} // namespace lldb_private
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#endif // LLDB_UTILITY_PROCESSINFO_H
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