diff options
Diffstat (limited to 'lldb/source/Plugins/Process/POSIX')
-rw-r--r-- | lldb/source/Plugins/Process/POSIX/CrashReason.cpp | 501 | ||||
-rw-r--r-- | lldb/source/Plugins/Process/POSIX/CrashReason.h | 72 | ||||
-rw-r--r-- | lldb/source/Plugins/Process/POSIX/ProcessMessage.cpp | 103 | ||||
-rw-r--r-- | lldb/source/Plugins/Process/POSIX/ProcessMessage.h | 299 | ||||
-rw-r--r-- | lldb/source/Plugins/Process/POSIX/ProcessPOSIXLog.cpp | 311 | ||||
-rw-r--r-- | lldb/source/Plugins/Process/POSIX/ProcessPOSIXLog.h | 169 |
6 files changed, 689 insertions, 766 deletions
diff --git a/lldb/source/Plugins/Process/POSIX/CrashReason.cpp b/lldb/source/Plugins/Process/POSIX/CrashReason.cpp index 44409a4ce55..c567b4a9655 100644 --- a/lldb/source/Plugins/Process/POSIX/CrashReason.cpp +++ b/lldb/source/Plugins/Process/POSIX/CrashReason.cpp @@ -13,304 +13,281 @@ namespace { -void -AppendFaultAddr (std::string& str, lldb::addr_t addr) -{ - std::stringstream ss; - ss << " (fault address: 0x" << std::hex << addr << ")"; - str += ss.str(); +void AppendFaultAddr(std::string &str, lldb::addr_t addr) { + std::stringstream ss; + ss << " (fault address: 0x" << std::hex << addr << ")"; + str += ss.str(); } -CrashReason -GetCrashReasonForSIGSEGV(const siginfo_t& info) -{ - assert(info.si_signo == SIGSEGV); +CrashReason GetCrashReasonForSIGSEGV(const siginfo_t &info) { + assert(info.si_signo == SIGSEGV); - switch (info.si_code) - { + switch (info.si_code) { #ifdef SI_KERNEL - case SI_KERNEL: - // Some platforms will occasionally send nonstandard spurious SI_KERNEL codes. - // One way to get this is via unaligned SIMD loads. - return CrashReason::eInvalidAddress; // for lack of anything better + case SI_KERNEL: + // Some platforms will occasionally send nonstandard spurious SI_KERNEL + // codes. + // One way to get this is via unaligned SIMD loads. + return CrashReason::eInvalidAddress; // for lack of anything better #endif - case SEGV_MAPERR: - return CrashReason::eInvalidAddress; - case SEGV_ACCERR: - return CrashReason::ePrivilegedAddress; - } + case SEGV_MAPERR: + return CrashReason::eInvalidAddress; + case SEGV_ACCERR: + return CrashReason::ePrivilegedAddress; + } - assert(false && "unexpected si_code for SIGSEGV"); - return CrashReason::eInvalidCrashReason; + assert(false && "unexpected si_code for SIGSEGV"); + return CrashReason::eInvalidCrashReason; } -CrashReason -GetCrashReasonForSIGILL(const siginfo_t& info) -{ - assert(info.si_signo == SIGILL); +CrashReason GetCrashReasonForSIGILL(const siginfo_t &info) { + assert(info.si_signo == SIGILL); - switch (info.si_code) - { - case ILL_ILLOPC: - return CrashReason::eIllegalOpcode; - case ILL_ILLOPN: - return CrashReason::eIllegalOperand; - case ILL_ILLADR: - return CrashReason::eIllegalAddressingMode; - case ILL_ILLTRP: - return CrashReason::eIllegalTrap; - case ILL_PRVOPC: - return CrashReason::ePrivilegedOpcode; - case ILL_PRVREG: - return CrashReason::ePrivilegedRegister; - case ILL_COPROC: - return CrashReason::eCoprocessorError; - case ILL_BADSTK: - return CrashReason::eInternalStackError; - } + switch (info.si_code) { + case ILL_ILLOPC: + return CrashReason::eIllegalOpcode; + case ILL_ILLOPN: + return CrashReason::eIllegalOperand; + case ILL_ILLADR: + return CrashReason::eIllegalAddressingMode; + case ILL_ILLTRP: + return CrashReason::eIllegalTrap; + case ILL_PRVOPC: + return CrashReason::ePrivilegedOpcode; + case ILL_PRVREG: + return CrashReason::ePrivilegedRegister; + case ILL_COPROC: + return CrashReason::eCoprocessorError; + case ILL_BADSTK: + return CrashReason::eInternalStackError; + } - assert(false && "unexpected si_code for SIGILL"); - return CrashReason::eInvalidCrashReason; + assert(false && "unexpected si_code for SIGILL"); + return CrashReason::eInvalidCrashReason; } -CrashReason -GetCrashReasonForSIGFPE(const siginfo_t& info) -{ - assert(info.si_signo == SIGFPE); +CrashReason GetCrashReasonForSIGFPE(const siginfo_t &info) { + assert(info.si_signo == SIGFPE); - switch (info.si_code) - { - case FPE_INTDIV: - return CrashReason::eIntegerDivideByZero; - case FPE_INTOVF: - return CrashReason::eIntegerOverflow; - case FPE_FLTDIV: - return CrashReason::eFloatDivideByZero; - case FPE_FLTOVF: - return CrashReason::eFloatOverflow; - case FPE_FLTUND: - return CrashReason::eFloatUnderflow; - case FPE_FLTRES: - return CrashReason::eFloatInexactResult; - case FPE_FLTINV: - return CrashReason::eFloatInvalidOperation; - case FPE_FLTSUB: - return CrashReason::eFloatSubscriptRange; - } + switch (info.si_code) { + case FPE_INTDIV: + return CrashReason::eIntegerDivideByZero; + case FPE_INTOVF: + return CrashReason::eIntegerOverflow; + case FPE_FLTDIV: + return CrashReason::eFloatDivideByZero; + case FPE_FLTOVF: + return CrashReason::eFloatOverflow; + case FPE_FLTUND: + return CrashReason::eFloatUnderflow; + case FPE_FLTRES: + return CrashReason::eFloatInexactResult; + case FPE_FLTINV: + return CrashReason::eFloatInvalidOperation; + case FPE_FLTSUB: + return CrashReason::eFloatSubscriptRange; + } - assert(false && "unexpected si_code for SIGFPE"); - return CrashReason::eInvalidCrashReason; + assert(false && "unexpected si_code for SIGFPE"); + return CrashReason::eInvalidCrashReason; } -CrashReason -GetCrashReasonForSIGBUS(const siginfo_t& info) -{ - assert(info.si_signo == SIGBUS); +CrashReason GetCrashReasonForSIGBUS(const siginfo_t &info) { + assert(info.si_signo == SIGBUS); - switch (info.si_code) - { - case BUS_ADRALN: - return CrashReason::eIllegalAlignment; - case BUS_ADRERR: - return CrashReason::eIllegalAddress; - case BUS_OBJERR: - return CrashReason::eHardwareError; - } + switch (info.si_code) { + case BUS_ADRALN: + return CrashReason::eIllegalAlignment; + case BUS_ADRERR: + return CrashReason::eIllegalAddress; + case BUS_OBJERR: + return CrashReason::eHardwareError; + } - assert(false && "unexpected si_code for SIGBUS"); - return CrashReason::eInvalidCrashReason; + assert(false && "unexpected si_code for SIGBUS"); + return CrashReason::eInvalidCrashReason; } - } -std::string -GetCrashReasonString (CrashReason reason, lldb::addr_t fault_addr) -{ - std::string str; +std::string GetCrashReasonString(CrashReason reason, lldb::addr_t fault_addr) { + std::string str; - switch (reason) - { - default: - assert(false && "invalid CrashReason"); - break; + switch (reason) { + default: + assert(false && "invalid CrashReason"); + break; - case CrashReason::eInvalidAddress: - str = "signal SIGSEGV: invalid address"; - AppendFaultAddr (str, fault_addr); - break; - case CrashReason::ePrivilegedAddress: - str = "signal SIGSEGV: address access protected"; - AppendFaultAddr (str, fault_addr); - break; - case CrashReason::eIllegalOpcode: - str = "signal SIGILL: illegal instruction"; - break; - case CrashReason::eIllegalOperand: - str = "signal SIGILL: illegal instruction operand"; - break; - case CrashReason::eIllegalAddressingMode: - str = "signal SIGILL: illegal addressing mode"; - break; - case CrashReason::eIllegalTrap: - str = "signal SIGILL: illegal trap"; - break; - case CrashReason::ePrivilegedOpcode: - str = "signal SIGILL: privileged instruction"; - break; - case CrashReason::ePrivilegedRegister: - str = "signal SIGILL: privileged register"; - break; - case CrashReason::eCoprocessorError: - str = "signal SIGILL: coprocessor error"; - break; - case CrashReason::eInternalStackError: - str = "signal SIGILL: internal stack error"; - break; - case CrashReason::eIllegalAlignment: - str = "signal SIGBUS: illegal alignment"; - break; - case CrashReason::eIllegalAddress: - str = "signal SIGBUS: illegal address"; - break; - case CrashReason::eHardwareError: - str = "signal SIGBUS: hardware error"; - break; - case CrashReason::eIntegerDivideByZero: - str = "signal SIGFPE: integer divide by zero"; - break; - case CrashReason::eIntegerOverflow: - str = "signal SIGFPE: integer overflow"; - break; - case CrashReason::eFloatDivideByZero: - str = "signal SIGFPE: floating point divide by zero"; - break; - case CrashReason::eFloatOverflow: - str = "signal SIGFPE: floating point overflow"; - break; - case CrashReason::eFloatUnderflow: - str = "signal SIGFPE: floating point underflow"; - break; - case CrashReason::eFloatInexactResult: - str = "signal SIGFPE: inexact floating point result"; - break; - case CrashReason::eFloatInvalidOperation: - str = "signal SIGFPE: invalid floating point operation"; - break; - case CrashReason::eFloatSubscriptRange: - str = "signal SIGFPE: invalid floating point subscript range"; - break; - } + case CrashReason::eInvalidAddress: + str = "signal SIGSEGV: invalid address"; + AppendFaultAddr(str, fault_addr); + break; + case CrashReason::ePrivilegedAddress: + str = "signal SIGSEGV: address access protected"; + AppendFaultAddr(str, fault_addr); + break; + case CrashReason::eIllegalOpcode: + str = "signal SIGILL: illegal instruction"; + break; + case CrashReason::eIllegalOperand: + str = "signal SIGILL: illegal instruction operand"; + break; + case CrashReason::eIllegalAddressingMode: + str = "signal SIGILL: illegal addressing mode"; + break; + case CrashReason::eIllegalTrap: + str = "signal SIGILL: illegal trap"; + break; + case CrashReason::ePrivilegedOpcode: + str = "signal SIGILL: privileged instruction"; + break; + case CrashReason::ePrivilegedRegister: + str = "signal SIGILL: privileged register"; + break; + case CrashReason::eCoprocessorError: + str = "signal SIGILL: coprocessor error"; + break; + case CrashReason::eInternalStackError: + str = "signal SIGILL: internal stack error"; + break; + case CrashReason::eIllegalAlignment: + str = "signal SIGBUS: illegal alignment"; + break; + case CrashReason::eIllegalAddress: + str = "signal SIGBUS: illegal address"; + break; + case CrashReason::eHardwareError: + str = "signal SIGBUS: hardware error"; + break; + case CrashReason::eIntegerDivideByZero: + str = "signal SIGFPE: integer divide by zero"; + break; + case CrashReason::eIntegerOverflow: + str = "signal SIGFPE: integer overflow"; + break; + case CrashReason::eFloatDivideByZero: + str = "signal SIGFPE: floating point divide by zero"; + break; + case CrashReason::eFloatOverflow: + str = "signal SIGFPE: floating point overflow"; + break; + case CrashReason::eFloatUnderflow: + str = "signal SIGFPE: floating point underflow"; + break; + case CrashReason::eFloatInexactResult: + str = "signal SIGFPE: inexact floating point result"; + break; + case CrashReason::eFloatInvalidOperation: + str = "signal SIGFPE: invalid floating point operation"; + break; + case CrashReason::eFloatSubscriptRange: + str = "signal SIGFPE: invalid floating point subscript range"; + break; + } - return str; + return str; } -const char * -CrashReasonAsString (CrashReason reason) -{ +const char *CrashReasonAsString(CrashReason reason) { #ifdef LLDB_CONFIGURATION_BUILDANDINTEGRATION - // Just return the code in ascii for integration builds. - chcar str[8]; - sprintf(str, "%d", reason); + // Just return the code in ascii for integration builds. + chcar str[8]; + sprintf(str, "%d", reason); #else - const char *str = nullptr; + const char *str = nullptr; - switch (reason) - { - case CrashReason::eInvalidCrashReason: - str = "eInvalidCrashReason"; - break; + switch (reason) { + case CrashReason::eInvalidCrashReason: + str = "eInvalidCrashReason"; + break; - // SIGSEGV crash reasons. - case CrashReason::eInvalidAddress: - str = "eInvalidAddress"; - break; - case CrashReason::ePrivilegedAddress: - str = "ePrivilegedAddress"; - break; + // SIGSEGV crash reasons. + case CrashReason::eInvalidAddress: + str = "eInvalidAddress"; + break; + case CrashReason::ePrivilegedAddress: + str = "ePrivilegedAddress"; + break; - // SIGILL crash reasons. - case CrashReason::eIllegalOpcode: - str = "eIllegalOpcode"; - break; - case CrashReason::eIllegalOperand: - str = "eIllegalOperand"; - break; - case CrashReason::eIllegalAddressingMode: - str = "eIllegalAddressingMode"; - break; - case CrashReason::eIllegalTrap: - str = "eIllegalTrap"; - break; - case CrashReason::ePrivilegedOpcode: - str = "ePrivilegedOpcode"; - break; - case CrashReason::ePrivilegedRegister: - str = "ePrivilegedRegister"; - break; - case CrashReason::eCoprocessorError: - str = "eCoprocessorError"; - break; - case CrashReason::eInternalStackError: - str = "eInternalStackError"; - break; + // SIGILL crash reasons. + case CrashReason::eIllegalOpcode: + str = "eIllegalOpcode"; + break; + case CrashReason::eIllegalOperand: + str = "eIllegalOperand"; + break; + case CrashReason::eIllegalAddressingMode: + str = "eIllegalAddressingMode"; + break; + case CrashReason::eIllegalTrap: + str = "eIllegalTrap"; + break; + case CrashReason::ePrivilegedOpcode: + str = "ePrivilegedOpcode"; + break; + case CrashReason::ePrivilegedRegister: + str = "ePrivilegedRegister"; + break; + case CrashReason::eCoprocessorError: + str = "eCoprocessorError"; + break; + case CrashReason::eInternalStackError: + str = "eInternalStackError"; + break; - // SIGBUS crash reasons: - case CrashReason::eIllegalAlignment: - str = "eIllegalAlignment"; - break; - case CrashReason::eIllegalAddress: - str = "eIllegalAddress"; - break; - case CrashReason::eHardwareError: - str = "eHardwareError"; - break; + // SIGBUS crash reasons: + case CrashReason::eIllegalAlignment: + str = "eIllegalAlignment"; + break; + case CrashReason::eIllegalAddress: + str = "eIllegalAddress"; + break; + case CrashReason::eHardwareError: + str = "eHardwareError"; + break; - // SIGFPE crash reasons: - case CrashReason::eIntegerDivideByZero: - str = "eIntegerDivideByZero"; - break; - case CrashReason::eIntegerOverflow: - str = "eIntegerOverflow"; - break; - case CrashReason::eFloatDivideByZero: - str = "eFloatDivideByZero"; - break; - case CrashReason::eFloatOverflow: - str = "eFloatOverflow"; - break; - case CrashReason::eFloatUnderflow: - str = "eFloatUnderflow"; - break; - case CrashReason::eFloatInexactResult: - str = "eFloatInexactResult"; - break; - case CrashReason::eFloatInvalidOperation: - str = "eFloatInvalidOperation"; - break; - case CrashReason::eFloatSubscriptRange: - str = "eFloatSubscriptRange"; - break; - } + // SIGFPE crash reasons: + case CrashReason::eIntegerDivideByZero: + str = "eIntegerDivideByZero"; + break; + case CrashReason::eIntegerOverflow: + str = "eIntegerOverflow"; + break; + case CrashReason::eFloatDivideByZero: + str = "eFloatDivideByZero"; + break; + case CrashReason::eFloatOverflow: + str = "eFloatOverflow"; + break; + case CrashReason::eFloatUnderflow: + str = "eFloatUnderflow"; + break; + case CrashReason::eFloatInexactResult: + str = "eFloatInexactResult"; + break; + case CrashReason::eFloatInvalidOperation: + str = "eFloatInvalidOperation"; + break; + case CrashReason::eFloatSubscriptRange: + str = "eFloatSubscriptRange"; + break; + } #endif - return str; + return str; } -CrashReason -GetCrashReason(const siginfo_t& info) -{ - switch(info.si_signo) - { - case SIGSEGV: - return GetCrashReasonForSIGSEGV(info); - case SIGBUS: - return GetCrashReasonForSIGBUS(info); - case SIGFPE: - return GetCrashReasonForSIGFPE(info); - case SIGILL: - return GetCrashReasonForSIGILL(info); - } +CrashReason GetCrashReason(const siginfo_t &info) { + switch (info.si_signo) { + case SIGSEGV: + return GetCrashReasonForSIGSEGV(info); + case SIGBUS: + return GetCrashReasonForSIGBUS(info); + case SIGFPE: + return GetCrashReasonForSIGFPE(info); + case SIGILL: + return GetCrashReasonForSIGILL(info); + } - assert(false && "unexpected signal"); - return CrashReason::eInvalidCrashReason; + assert(false && "unexpected signal"); + return CrashReason::eInvalidCrashReason; } diff --git a/lldb/source/Plugins/Process/POSIX/CrashReason.h b/lldb/source/Plugins/Process/POSIX/CrashReason.h index f6d9ba553e4..1ef3e1a6998 100644 --- a/lldb/source/Plugins/Process/POSIX/CrashReason.h +++ b/lldb/source/Plugins/Process/POSIX/CrashReason.h @@ -16,47 +16,43 @@ #include <string> -enum class CrashReason -{ - eInvalidCrashReason, - - // SIGSEGV crash reasons. - eInvalidAddress, - ePrivilegedAddress, - - // SIGILL crash reasons. - eIllegalOpcode, - eIllegalOperand, - eIllegalAddressingMode, - eIllegalTrap, - ePrivilegedOpcode, - ePrivilegedRegister, - eCoprocessorError, - eInternalStackError, - - // SIGBUS crash reasons, - eIllegalAlignment, - eIllegalAddress, - eHardwareError, - - // SIGFPE crash reasons, - eIntegerDivideByZero, - eIntegerOverflow, - eFloatDivideByZero, - eFloatOverflow, - eFloatUnderflow, - eFloatInexactResult, - eFloatInvalidOperation, - eFloatSubscriptRange +enum class CrashReason { + eInvalidCrashReason, + + // SIGSEGV crash reasons. + eInvalidAddress, + ePrivilegedAddress, + + // SIGILL crash reasons. + eIllegalOpcode, + eIllegalOperand, + eIllegalAddressingMode, + eIllegalTrap, + ePrivilegedOpcode, + ePrivilegedRegister, + eCoprocessorError, + eInternalStackError, + + // SIGBUS crash reasons, + eIllegalAlignment, + eIllegalAddress, + eHardwareError, + + // SIGFPE crash reasons, + eIntegerDivideByZero, + eIntegerOverflow, + eFloatDivideByZero, + eFloatOverflow, + eFloatUnderflow, + eFloatInexactResult, + eFloatInvalidOperation, + eFloatSubscriptRange }; -std::string -GetCrashReasonString (CrashReason reason, lldb::addr_t fault_addr); +std::string GetCrashReasonString(CrashReason reason, lldb::addr_t fault_addr); -const char * -CrashReasonAsString (CrashReason reason); +const char *CrashReasonAsString(CrashReason reason); -CrashReason -GetCrashReason(const siginfo_t& info); +CrashReason GetCrashReason(const siginfo_t &info); #endif // #ifndef liblldb_CrashReason_H_ diff --git a/lldb/source/Plugins/Process/POSIX/ProcessMessage.cpp b/lldb/source/Plugins/Process/POSIX/ProcessMessage.cpp index 02049a2af95..48f2a7844cf 100644 --- a/lldb/source/Plugins/Process/POSIX/ProcessMessage.cpp +++ b/lldb/source/Plugins/Process/POSIX/ProcessMessage.cpp @@ -11,68 +11,59 @@ using namespace lldb_private; -const char * -ProcessMessage::PrintCrashReason() const -{ - return CrashReasonAsString(m_crash_reason); +const char *ProcessMessage::PrintCrashReason() const { + return CrashReasonAsString(m_crash_reason); } -const char * -ProcessMessage::PrintKind(Kind kind) -{ +const char *ProcessMessage::PrintKind(Kind kind) { #ifdef LLDB_CONFIGURATION_BUILDANDINTEGRATION - // Just return the code in ascii for integration builds. - chcar str[8]; - sprintf(str, "%d", reason); + // Just return the code in ascii for integration builds. + chcar str[8]; + sprintf(str, "%d", reason); #else - const char *str = NULL; + const char *str = NULL; - switch (kind) - { - case eInvalidMessage: - str = "eInvalidMessage"; - break; - case eAttachMessage: - str = "eAttachMessage"; - break; - case eExitMessage: - str = "eExitMessage"; - break; - case eLimboMessage: - str = "eLimboMessage"; - break; - case eSignalMessage: - str = "eSignalMessage"; - break; - case eSignalDeliveredMessage: - str = "eSignalDeliveredMessage"; - break; - case eTraceMessage: - str = "eTraceMessage"; - break; - case eBreakpointMessage: - str = "eBreakpointMessage"; - break; - case eWatchpointMessage: - str = "eWatchpointMessage"; - break; - case eCrashMessage: - str = "eCrashMessage"; - break; - case eNewThreadMessage: - str = "eNewThreadMessage"; - break; - case eExecMessage: - str = "eExecMessage"; - break; - } + switch (kind) { + case eInvalidMessage: + str = "eInvalidMessage"; + break; + case eAttachMessage: + str = "eAttachMessage"; + break; + case eExitMessage: + str = "eExitMessage"; + break; + case eLimboMessage: + str = "eLimboMessage"; + break; + case eSignalMessage: + str = "eSignalMessage"; + break; + case eSignalDeliveredMessage: + str = "eSignalDeliveredMessage"; + break; + case eTraceMessage: + str = "eTraceMessage"; + break; + case eBreakpointMessage: + str = "eBreakpointMessage"; + break; + case eWatchpointMessage: + str = "eWatchpointMessage"; + break; + case eCrashMessage: + str = "eCrashMessage"; + break; + case eNewThreadMessage: + str = "eNewThreadMessage"; + break; + case eExecMessage: + str = "eExecMessage"; + break; + } #endif - return str; + return str; } -const char * -ProcessMessage::PrintKind() const -{ - return PrintKind(m_kind); -} +const char *ProcessMessage::PrintKind() const { return PrintKind(m_kind); } diff --git a/lldb/source/Plugins/Process/POSIX/ProcessMessage.h b/lldb/source/Plugins/Process/POSIX/ProcessMessage.h index f932e9fff27..3c596ca6854 100644 --- a/lldb/source/Plugins/Process/POSIX/ProcessMessage.h +++ b/lldb/source/Plugins/Process/POSIX/ProcessMessage.h @@ -18,165 +18,152 @@ #include "lldb/lldb-defines.h" #include "lldb/lldb-types.h" -class ProcessMessage -{ +class ProcessMessage { public: - - /// The type of signal this message can correspond to. - enum Kind - { - eInvalidMessage, - eAttachMessage, - eExitMessage, - eLimboMessage, - eSignalMessage, - eSignalDeliveredMessage, - eTraceMessage, - eBreakpointMessage, - eWatchpointMessage, - eCrashMessage, - eNewThreadMessage, - eExecMessage - }; - - ProcessMessage() - : m_tid(LLDB_INVALID_PROCESS_ID), - m_kind(eInvalidMessage), - m_crash_reason(CrashReason::eInvalidCrashReason), - m_status(0), - m_addr(0) { } - - Kind GetKind() const { return m_kind; } - - lldb::tid_t GetTID() const { return m_tid; } - - /// Indicates that the process @p pid has successfully attached. - static ProcessMessage Attach(lldb::pid_t pid) { - return ProcessMessage(pid, eAttachMessage); - } - - /// Indicates that the thread @p tid is about to exit with status @p status. - static ProcessMessage Limbo(lldb::tid_t tid, int status) { - return ProcessMessage(tid, eLimboMessage, status); - } - - /// Indicates that the thread @p tid had the signal @p signum delivered. - static ProcessMessage Signal(lldb::tid_t tid, int signum) { - return ProcessMessage(tid, eSignalMessage, signum); - } - - /// Indicates that a signal @p signum generated by the debugging process was - /// delivered to the thread @p tid. - static ProcessMessage SignalDelivered(lldb::tid_t tid, int signum) { - return ProcessMessage(tid, eSignalDeliveredMessage, signum); - } - - /// Indicates that the thread @p tid encountered a trace point. - static ProcessMessage Trace(lldb::tid_t tid) { - return ProcessMessage(tid, eTraceMessage); - } - - /// Indicates that the thread @p tid encountered a break point. - static ProcessMessage Break(lldb::tid_t tid) { - return ProcessMessage(tid, eBreakpointMessage); - } - - static ProcessMessage Watch(lldb::tid_t tid, lldb::addr_t wp_addr) { - return ProcessMessage(tid, eWatchpointMessage, 0, wp_addr); - } - - /// Indicates that the thread @p tid crashed. - static ProcessMessage Crash(lldb::pid_t pid, CrashReason reason, - int signo, lldb::addr_t fault_addr) { - ProcessMessage message(pid, eCrashMessage, signo, fault_addr); - message.m_crash_reason = reason; - return message; - } - - /// Indicates that the thread @p child_tid was spawned. - static ProcessMessage NewThread(lldb::tid_t parent_tid, lldb::tid_t child_tid) { - return ProcessMessage(parent_tid, eNewThreadMessage, child_tid); - } - - /// Indicates that the thread @p tid is about to exit with status @p status. - static ProcessMessage Exit(lldb::tid_t tid, int status) { - return ProcessMessage(tid, eExitMessage, status); - } - - /// Indicates that the thread @p pid has exec'd. - static ProcessMessage Exec(lldb::tid_t tid) { - return ProcessMessage(tid, eExecMessage); - } - - int GetExitStatus() const { - assert(GetKind() == eExitMessage || GetKind() == eLimboMessage); - return m_status; - } - - int GetSignal() const { - assert(GetKind() == eSignalMessage || GetKind() == eCrashMessage || - GetKind() == eSignalDeliveredMessage); - return m_status; - } - - int GetStopStatus() const { - assert(GetKind() == eSignalMessage); - return m_status; - } - - CrashReason GetCrashReason() const { - assert(GetKind() == eCrashMessage); - return m_crash_reason; - } - - lldb::addr_t GetFaultAddress() const { - assert(GetKind() == eCrashMessage); - return m_addr; - } - - lldb::addr_t GetHWAddress() const { - assert(GetKind() == eWatchpointMessage || GetKind() == eTraceMessage); - return m_addr; - } - - lldb::tid_t GetChildTID() const { - assert(GetKind() == eNewThreadMessage); - return m_child_tid; - } - - const char * - PrintCrashReason() const; - - const char * - PrintKind() const; - - static const char * - PrintKind(Kind); + /// The type of signal this message can correspond to. + enum Kind { + eInvalidMessage, + eAttachMessage, + eExitMessage, + eLimboMessage, + eSignalMessage, + eSignalDeliveredMessage, + eTraceMessage, + eBreakpointMessage, + eWatchpointMessage, + eCrashMessage, + eNewThreadMessage, + eExecMessage + }; + + ProcessMessage() + : m_tid(LLDB_INVALID_PROCESS_ID), m_kind(eInvalidMessage), + m_crash_reason(CrashReason::eInvalidCrashReason), m_status(0), + m_addr(0) {} + + Kind GetKind() const { return m_kind; } + + lldb::tid_t GetTID() const { return m_tid; } + + /// Indicates that the process @p pid has successfully attached. + static ProcessMessage Attach(lldb::pid_t pid) { + return ProcessMessage(pid, eAttachMessage); + } + + /// Indicates that the thread @p tid is about to exit with status @p status. + static ProcessMessage Limbo(lldb::tid_t tid, int status) { + return ProcessMessage(tid, eLimboMessage, status); + } + + /// Indicates that the thread @p tid had the signal @p signum delivered. + static ProcessMessage Signal(lldb::tid_t tid, int signum) { + return ProcessMessage(tid, eSignalMessage, signum); + } + + /// Indicates that a signal @p signum generated by the debugging process was + /// delivered to the thread @p tid. + static ProcessMessage SignalDelivered(lldb::tid_t tid, int signum) { + return ProcessMessage(tid, eSignalDeliveredMessage, signum); + } + + /// Indicates that the thread @p tid encountered a trace point. + static ProcessMessage Trace(lldb::tid_t tid) { + return ProcessMessage(tid, eTraceMessage); + } + + /// Indicates that the thread @p tid encountered a break point. + static ProcessMessage Break(lldb::tid_t tid) { + return ProcessMessage(tid, eBreakpointMessage); + } + + static ProcessMessage Watch(lldb::tid_t tid, lldb::addr_t wp_addr) { + return ProcessMessage(tid, eWatchpointMessage, 0, wp_addr); + } + + /// Indicates that the thread @p tid crashed. + static ProcessMessage Crash(lldb::pid_t pid, CrashReason reason, int signo, + lldb::addr_t fault_addr) { + ProcessMessage message(pid, eCrashMessage, signo, fault_addr); + message.m_crash_reason = reason; + return message; + } + + /// Indicates that the thread @p child_tid was spawned. + static ProcessMessage NewThread(lldb::tid_t parent_tid, + lldb::tid_t child_tid) { + return ProcessMessage(parent_tid, eNewThreadMessage, child_tid); + } + + /// Indicates that the thread @p tid is about to exit with status @p status. + static ProcessMessage Exit(lldb::tid_t tid, int status) { + return ProcessMessage(tid, eExitMessage, status); + } + + /// Indicates that the thread @p pid has exec'd. + static ProcessMessage Exec(lldb::tid_t tid) { + return ProcessMessage(tid, eExecMessage); + } + + int GetExitStatus() const { + assert(GetKind() == eExitMessage || GetKind() == eLimboMessage); + return m_status; + } + + int GetSignal() const { + assert(GetKind() == eSignalMessage || GetKind() == eCrashMessage || + GetKind() == eSignalDeliveredMessage); + return m_status; + } + + int GetStopStatus() const { + assert(GetKind() == eSignalMessage); + return m_status; + } + + CrashReason GetCrashReason() const { + assert(GetKind() == eCrashMessage); + return m_crash_reason; + } + + lldb::addr_t GetFaultAddress() const { + assert(GetKind() == eCrashMessage); + return m_addr; + } + + lldb::addr_t GetHWAddress() const { + assert(GetKind() == eWatchpointMessage || GetKind() == eTraceMessage); + return m_addr; + } + + lldb::tid_t GetChildTID() const { + assert(GetKind() == eNewThreadMessage); + return m_child_tid; + } + + const char *PrintCrashReason() const; + + const char *PrintKind() const; + + static const char *PrintKind(Kind); private: - ProcessMessage(lldb::tid_t tid, Kind kind, - int status = 0, lldb::addr_t addr = 0) - : m_tid(tid), - m_kind(kind), - m_crash_reason(CrashReason::eInvalidCrashReason), - m_status(status), - m_addr(addr), - m_child_tid(0) { } - - ProcessMessage(lldb::tid_t tid, Kind kind, lldb::tid_t child_tid) - : m_tid(tid), - m_kind(kind), - m_crash_reason(CrashReason::eInvalidCrashReason), - m_status(0), - m_addr(0), - m_child_tid(child_tid) { } - - lldb::tid_t m_tid; - Kind m_kind : 8; - CrashReason m_crash_reason; - int m_status; - lldb::addr_t m_addr; - lldb::tid_t m_child_tid; + ProcessMessage(lldb::tid_t tid, Kind kind, int status = 0, + lldb::addr_t addr = 0) + : m_tid(tid), m_kind(kind), + m_crash_reason(CrashReason::eInvalidCrashReason), m_status(status), + m_addr(addr), m_child_tid(0) {} + + ProcessMessage(lldb::tid_t tid, Kind kind, lldb::tid_t child_tid) + : m_tid(tid), m_kind(kind), + m_crash_reason(CrashReason::eInvalidCrashReason), m_status(0), + m_addr(0), m_child_tid(child_tid) {} + + lldb::tid_t m_tid; + Kind m_kind : 8; + CrashReason m_crash_reason; + int m_status; + lldb::addr_t m_addr; + lldb::tid_t m_child_tid; }; #endif // #ifndef liblldb_ProcessMessage_H_ diff --git a/lldb/source/Plugins/Process/POSIX/ProcessPOSIXLog.cpp b/lldb/source/Plugins/Process/POSIX/ProcessPOSIXLog.cpp index b259804a3a2..7f07bd568a2 100644 --- a/lldb/source/Plugins/Process/POSIX/ProcessPOSIXLog.cpp +++ b/lldb/source/Plugins/Process/POSIX/ProcessPOSIXLog.cpp @@ -1,4 +1,5 @@ -//===-- ProcessPOSIXLog.cpp ---------------------------------------*- C++ -*-===// +//===-- ProcessPOSIXLog.cpp ---------------------------------------*- C++ +//-*-===// // // The LLVM Compiler Infrastructure // @@ -11,199 +12,185 @@ #include <mutex> -#include "lldb/Interpreter/Args.h" #include "lldb/Core/StreamFile.h" +#include "lldb/Interpreter/Args.h" #include "ProcessPOSIXLog.h" using namespace lldb; using namespace lldb_private; - // We want to avoid global constructors where code needs to be run so here we // control access to our static g_log_sp by hiding it in a singleton function -// that will construct the static g_log_sp the first time this function is +// that will construct the static g_log_sp the first time this function is // called. static bool g_log_enabled = false; -static Log * g_log = NULL; -static Log * -GetLog () -{ - if (!g_log_enabled) - return NULL; - return g_log; +static Log *g_log = NULL; +static Log *GetLog() { + if (!g_log_enabled) + return NULL; + return g_log; } -void -ProcessPOSIXLog::Initialize(ConstString name) -{ - static std::once_flag g_once_flag; - - std::call_once(g_once_flag, [name](){ - Log::Callbacks log_callbacks = { - DisableLog, - EnableLog, - ListLogCategories - }; - - Log::RegisterLogChannel (name, log_callbacks); - RegisterPluginName(name); - }); -} +void ProcessPOSIXLog::Initialize(ConstString name) { + static std::once_flag g_once_flag; -Log * -ProcessPOSIXLog::GetLogIfAllCategoriesSet (uint32_t mask) -{ - Log *log(GetLog ()); - if (log && mask) - { - uint32_t log_mask = log->GetMask().Get(); - if ((log_mask & mask) != mask) - return NULL; - } - return log; + std::call_once(g_once_flag, [name]() { + Log::Callbacks log_callbacks = {DisableLog, EnableLog, ListLogCategories}; + + Log::RegisterLogChannel(name, log_callbacks); + RegisterPluginName(name); + }); } -static uint32_t -GetFlagBits (const char *arg) -{ - if (::strcasecmp (arg, "all") == 0 ) return POSIX_LOG_ALL; - else if (::strcasecmp (arg, "async") == 0 ) return POSIX_LOG_ASYNC; - else if (::strncasecmp (arg, "break", 5) == 0 ) return POSIX_LOG_BREAKPOINTS; - else if (::strncasecmp (arg, "comm", 4) == 0 ) return POSIX_LOG_COMM; - else if (::strcasecmp (arg, "default") == 0 ) return POSIX_LOG_DEFAULT; - else if (::strcasecmp (arg, "packets") == 0 ) return POSIX_LOG_PACKETS; - else if (::strcasecmp (arg, "memory") == 0 ) return POSIX_LOG_MEMORY; - else if (::strcasecmp (arg, "data-short") == 0 ) return POSIX_LOG_MEMORY_DATA_SHORT; - else if (::strcasecmp (arg, "data-long") == 0 ) return POSIX_LOG_MEMORY_DATA_LONG; - else if (::strcasecmp (arg, "process") == 0 ) return POSIX_LOG_PROCESS; - else if (::strcasecmp (arg, "ptrace") == 0 ) return POSIX_LOG_PTRACE; - else if (::strcasecmp (arg, "registers") == 0 ) return POSIX_LOG_REGISTERS; - else if (::strcasecmp (arg, "step") == 0 ) return POSIX_LOG_STEP; - else if (::strcasecmp (arg, "thread") == 0 ) return POSIX_LOG_THREAD; - else if (::strcasecmp (arg, "verbose") == 0 ) return POSIX_LOG_VERBOSE; - else if (::strncasecmp (arg, "watch", 5) == 0 ) return POSIX_LOG_WATCHPOINTS; - return 0; +Log *ProcessPOSIXLog::GetLogIfAllCategoriesSet(uint32_t mask) { + Log *log(GetLog()); + if (log && mask) { + uint32_t log_mask = log->GetMask().Get(); + if ((log_mask & mask) != mask) + return NULL; + } + return log; } -void -ProcessPOSIXLog::DisableLog (const char **args, Stream *feedback_strm) -{ - Log *log (GetLog ()); - if (log) - { - uint32_t flag_bits = 0; - - flag_bits = log->GetMask().Get(); - for (; args[0]; args++) - { - const char *arg = args[0]; - uint32_t bits = GetFlagBits(arg); - - if (bits) - { - flag_bits &= ~bits; - } - else - { - feedback_strm->Printf("error: unrecognized log category '%s'\n", arg); - ListLogCategories (feedback_strm); - } - } - - log->GetMask().Reset (flag_bits); - if (flag_bits == 0) - g_log_enabled = false; - } - - return; +static uint32_t GetFlagBits(const char *arg) { + if (::strcasecmp(arg, "all") == 0) + return POSIX_LOG_ALL; + else if (::strcasecmp(arg, "async") == 0) + return POSIX_LOG_ASYNC; + else if (::strncasecmp(arg, "break", 5) == 0) + return POSIX_LOG_BREAKPOINTS; + else if (::strncasecmp(arg, "comm", 4) == 0) + return POSIX_LOG_COMM; + else if (::strcasecmp(arg, "default") == 0) + return POSIX_LOG_DEFAULT; + else if (::strcasecmp(arg, "packets") == 0) + return POSIX_LOG_PACKETS; + else if (::strcasecmp(arg, "memory") == 0) + return POSIX_LOG_MEMORY; + else if (::strcasecmp(arg, "data-short") == 0) + return POSIX_LOG_MEMORY_DATA_SHORT; + else if (::strcasecmp(arg, "data-long") == 0) + return POSIX_LOG_MEMORY_DATA_LONG; + else if (::strcasecmp(arg, "process") == 0) + return POSIX_LOG_PROCESS; + else if (::strcasecmp(arg, "ptrace") == 0) + return POSIX_LOG_PTRACE; + else if (::strcasecmp(arg, "registers") == 0) + return POSIX_LOG_REGISTERS; + else if (::strcasecmp(arg, "step") == 0) + return POSIX_LOG_STEP; + else if (::strcasecmp(arg, "thread") == 0) + return POSIX_LOG_THREAD; + else if (::strcasecmp(arg, "verbose") == 0) + return POSIX_LOG_VERBOSE; + else if (::strncasecmp(arg, "watch", 5) == 0) + return POSIX_LOG_WATCHPOINTS; + return 0; } -Log * -ProcessPOSIXLog::EnableLog (StreamSP &log_stream_sp, uint32_t log_options, const char **args, Stream *feedback_strm) -{ - // Try see if there already is a log - that way we can reuse its settings. - // We could reuse the log in toto, but we don't know that the stream is the same. +void ProcessPOSIXLog::DisableLog(const char **args, Stream *feedback_strm) { + Log *log(GetLog()); + if (log) { uint32_t flag_bits = 0; - if (g_log) - flag_bits = g_log->GetMask().Get(); - - // Now make a new log with this stream if one was provided - if (log_stream_sp) - { - if (g_log) - g_log->SetStream(log_stream_sp); - else - g_log = new Log(log_stream_sp); + + flag_bits = log->GetMask().Get(); + for (; args[0]; args++) { + const char *arg = args[0]; + uint32_t bits = GetFlagBits(arg); + + if (bits) { + flag_bits &= ~bits; + } else { + feedback_strm->Printf("error: unrecognized log category '%s'\n", arg); + ListLogCategories(feedback_strm); + } } + log->GetMask().Reset(flag_bits); + if (flag_bits == 0) + g_log_enabled = false; + } + + return; +} + +Log *ProcessPOSIXLog::EnableLog(StreamSP &log_stream_sp, uint32_t log_options, + const char **args, Stream *feedback_strm) { + // Try see if there already is a log - that way we can reuse its settings. + // We could reuse the log in toto, but we don't know that the stream is the + // same. + uint32_t flag_bits = 0; + if (g_log) + flag_bits = g_log->GetMask().Get(); + + // Now make a new log with this stream if one was provided + if (log_stream_sp) { if (g_log) - { - bool got_unknown_category = false; - for (; args[0]; args++) - { - const char *arg = args[0]; - uint32_t bits = GetFlagBits(arg); - - if (bits) - { - flag_bits |= bits; - } - else - { - feedback_strm->Printf("error: unrecognized log category '%s'\n", arg); - if (got_unknown_category == false) - { - got_unknown_category = true; - ListLogCategories (feedback_strm); - } - } + g_log->SetStream(log_stream_sp); + else + g_log = new Log(log_stream_sp); + } + + if (g_log) { + bool got_unknown_category = false; + for (; args[0]; args++) { + const char *arg = args[0]; + uint32_t bits = GetFlagBits(arg); + + if (bits) { + flag_bits |= bits; + } else { + feedback_strm->Printf("error: unrecognized log category '%s'\n", arg); + if (got_unknown_category == false) { + got_unknown_category = true; + ListLogCategories(feedback_strm); } - if (flag_bits == 0) - flag_bits = POSIX_LOG_DEFAULT; - g_log->GetMask().Reset(flag_bits); - g_log->GetOptions().Reset(log_options); - g_log_enabled = true; + } } - return g_log; + if (flag_bits == 0) + flag_bits = POSIX_LOG_DEFAULT; + g_log->GetMask().Reset(flag_bits); + g_log->GetOptions().Reset(log_options); + g_log_enabled = true; + } + return g_log; } -void -ProcessPOSIXLog::ListLogCategories (Stream *strm) -{ - strm->Printf ("Logging categories for '%s':\n" - " all - turn on all available logging categories\n" - " async - log asynchronous activity\n" - " break - log breakpoints\n" - " communication - log communication activity\n" - " default - enable the default set of logging categories for liblldb\n" - " packets - log gdb remote packets\n" - " memory - log memory reads and writes\n" - " data-short - log memory bytes for memory reads and writes for short transactions only\n" - " data-long - log memory bytes for memory reads and writes for all transactions\n" - " process - log process events and activities\n" +void ProcessPOSIXLog::ListLogCategories(Stream *strm) { + strm->Printf( + "Logging categories for '%s':\n" + " all - turn on all available logging categories\n" + " async - log asynchronous activity\n" + " break - log breakpoints\n" + " communication - log communication activity\n" + " default - enable the default set of logging categories for liblldb\n" + " packets - log gdb remote packets\n" + " memory - log memory reads and writes\n" + " data-short - log memory bytes for memory reads and writes for short " + "transactions only\n" + " data-long - log memory bytes for memory reads and writes for all " + "transactions\n" + " process - log process events and activities\n" #ifndef LLDB_CONFIGURATION_BUILDANDINTEGRATION - " ptrace - log all calls to ptrace\n" + " ptrace - log all calls to ptrace\n" #endif - " registers - log register read/writes\n" - " thread - log thread events and activities\n" - " step - log step related activities\n" - " verbose - enable verbose logging\n" - " watch - log watchpoint related activities\n", ProcessPOSIXLog::m_pluginname); + " registers - log register read/writes\n" + " thread - log thread events and activities\n" + " step - log step related activities\n" + " verbose - enable verbose logging\n" + " watch - log watchpoint related activities\n", + ProcessPOSIXLog::m_pluginname); } - -void -ProcessPOSIXLog::LogIf (uint32_t mask, const char *format, ...) -{ - Log *log (ProcessPOSIXLog::GetLogIfAllCategoriesSet (mask)); - if (log) - { - va_list args; - va_start (args, format); - log->VAPrintf (format, args); - va_end (args); - } +void ProcessPOSIXLog::LogIf(uint32_t mask, const char *format, ...) { + Log *log(ProcessPOSIXLog::GetLogIfAllCategoriesSet(mask)); + if (log) { + va_list args; + va_start(args, format); + log->VAPrintf(format, args); + va_end(args); + } } int ProcessPOSIXLog::m_nestinglevel; diff --git a/lldb/source/Plugins/Process/POSIX/ProcessPOSIXLog.h b/lldb/source/Plugins/Process/POSIX/ProcessPOSIXLog.h index 7edd839152e..7d187da4e48 100644 --- a/lldb/source/Plugins/Process/POSIX/ProcessPOSIXLog.h +++ b/lldb/source/Plugins/Process/POSIX/ProcessPOSIXLog.h @@ -1,4 +1,5 @@ -//===-- ProcessPOSIXLog.h -----------------------------------------*- C++ -*-===// +//===-- ProcessPOSIXLog.h -----------------------------------------*- C++ +//-*-===// // // The LLVM Compiler Infrastructure // @@ -17,101 +18,85 @@ // Project includes #include "lldb/Core/Log.h" -#define POSIX_LOG_VERBOSE (1u << 0) -#define POSIX_LOG_PROCESS (1u << 1) -#define POSIX_LOG_THREAD (1u << 2) -#define POSIX_LOG_PACKETS (1u << 3) -#define POSIX_LOG_MEMORY (1u << 4) // Log memory reads/writes calls -#define POSIX_LOG_MEMORY_DATA_SHORT (1u << 5) // Log short memory reads/writes bytes -#define POSIX_LOG_MEMORY_DATA_LONG (1u << 6) // Log all memory reads/writes bytes -#define POSIX_LOG_BREAKPOINTS (1u << 7) -#define POSIX_LOG_WATCHPOINTS (1u << 8) -#define POSIX_LOG_STEP (1u << 9) -#define POSIX_LOG_COMM (1u << 10) -#define POSIX_LOG_ASYNC (1u << 11) -#define POSIX_LOG_PTRACE (1u << 12) -#define POSIX_LOG_REGISTERS (1u << 13) -#define POSIX_LOG_ALL (UINT32_MAX) -#define POSIX_LOG_DEFAULT POSIX_LOG_PACKETS +#define POSIX_LOG_VERBOSE (1u << 0) +#define POSIX_LOG_PROCESS (1u << 1) +#define POSIX_LOG_THREAD (1u << 2) +#define POSIX_LOG_PACKETS (1u << 3) +#define POSIX_LOG_MEMORY (1u << 4) // Log memory reads/writes calls +#define POSIX_LOG_MEMORY_DATA_SHORT \ + (1u << 5) // Log short memory reads/writes bytes +#define POSIX_LOG_MEMORY_DATA_LONG \ + (1u << 6) // Log all memory reads/writes bytes +#define POSIX_LOG_BREAKPOINTS (1u << 7) +#define POSIX_LOG_WATCHPOINTS (1u << 8) +#define POSIX_LOG_STEP (1u << 9) +#define POSIX_LOG_COMM (1u << 10) +#define POSIX_LOG_ASYNC (1u << 11) +#define POSIX_LOG_PTRACE (1u << 12) +#define POSIX_LOG_REGISTERS (1u << 13) +#define POSIX_LOG_ALL (UINT32_MAX) +#define POSIX_LOG_DEFAULT POSIX_LOG_PACKETS // The size which determines "short memory reads/writes". -#define POSIX_LOG_MEMORY_SHORT_BYTES (4 * sizeof(ptrdiff_t)) +#define POSIX_LOG_MEMORY_SHORT_BYTES (4 * sizeof(ptrdiff_t)) -class ProcessPOSIXLog -{ - static int m_nestinglevel; - static const char *m_pluginname; +class ProcessPOSIXLog { + static int m_nestinglevel; + static const char *m_pluginname; public: - // --------------------------------------------------------------------- - // Public Static Methods - // --------------------------------------------------------------------- - static void - Initialize(lldb_private::ConstString name); - - static void - RegisterPluginName(const char *pluginName) - { - m_pluginname = pluginName; - } - - static void - RegisterPluginName(lldb_private::ConstString pluginName) - { - m_pluginname = pluginName.GetCString(); - } - - static lldb_private::Log * - GetLogIfAllCategoriesSet(uint32_t mask = 0); - - static void - DisableLog (const char **args, lldb_private::Stream *feedback_strm); - - static lldb_private::Log * - EnableLog (lldb::StreamSP &log_stream_sp, uint32_t log_options, - const char **args, lldb_private::Stream *feedback_strm); - - static void - ListLogCategories (lldb_private::Stream *strm); - - static void - LogIf (uint32_t mask, const char *format, ...); - - // The following functions can be used to enable the client to limit - // logging to only the top level function calls. This is useful for - // recursive functions. FIXME: not thread safe! - // Example: - // void NestingFunc() { - // LogSP log (ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_ALL)); - // if (log) - // { - // ProcessPOSIXLog::IncNestLevel(); - // if (ProcessPOSIXLog::AtTopNestLevel()) - // log->Print(msg); - // } - // NestingFunc(); - // if (log) - // ProcessPOSIXLog::DecNestLevel(); - // } - - static bool - AtTopNestLevel() - { - return m_nestinglevel == 1; - } - - static void - IncNestLevel() - { - ++m_nestinglevel; - } - - static void - DecNestLevel() - { - --m_nestinglevel; - assert(m_nestinglevel >= 0); - } + // --------------------------------------------------------------------- + // Public Static Methods + // --------------------------------------------------------------------- + static void Initialize(lldb_private::ConstString name); + + static void RegisterPluginName(const char *pluginName) { + m_pluginname = pluginName; + } + + static void RegisterPluginName(lldb_private::ConstString pluginName) { + m_pluginname = pluginName.GetCString(); + } + + static lldb_private::Log *GetLogIfAllCategoriesSet(uint32_t mask = 0); + + static void DisableLog(const char **args, + lldb_private::Stream *feedback_strm); + + static lldb_private::Log *EnableLog(lldb::StreamSP &log_stream_sp, + uint32_t log_options, const char **args, + lldb_private::Stream *feedback_strm); + + static void ListLogCategories(lldb_private::Stream *strm); + + static void LogIf(uint32_t mask, const char *format, ...); + + // The following functions can be used to enable the client to limit + // logging to only the top level function calls. This is useful for + // recursive functions. FIXME: not thread safe! + // Example: + // void NestingFunc() { + // LogSP log + // (ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_ALL)); + // if (log) + // { + // ProcessPOSIXLog::IncNestLevel(); + // if (ProcessPOSIXLog::AtTopNestLevel()) + // log->Print(msg); + // } + // NestingFunc(); + // if (log) + // ProcessPOSIXLog::DecNestLevel(); + // } + + static bool AtTopNestLevel() { return m_nestinglevel == 1; } + + static void IncNestLevel() { ++m_nestinglevel; } + + static void DecNestLevel() { + --m_nestinglevel; + assert(m_nestinglevel >= 0); + } }; -#endif // liblldb_ProcessPOSIXLog_h_ +#endif // liblldb_ProcessPOSIXLog_h_ |