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//===-- ThreadElfCore.h -----------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_ThreadElfCore_h_
#define liblldb_ThreadElfCore_h_
// C Includes
// C++ Includes
#include <string>
// Other libraries and framework includes
// Project includes
#include "lldb/Target/Thread.h"
#include "lldb/Core/DataExtractor.h"
struct compat_timeval
{
int64_t tv_sec;
int32_t tv_usec;
};
// PRSTATUS structure's size differs based on architecture.
// Currently parsing done only for x86-64 architecture by
// simply reading data from the buffer.
// The following macros are used to specify the size.
// Calculating size using sizeof() wont work because of padding.
#define ELFLINUXPRSTATUS64_SIZE (112)
#define ELFLINUXPRPSINFO64_SIZE (132)
#undef si_signo
#undef si_code
#undef si_errno
struct ELFLinuxPrStatus
{
int32_t si_signo;
int32_t si_code;
int32_t si_errno;
int16_t pr_cursig;
uint64_t pr_sigpend;
uint64_t pr_sighold;
uint32_t pr_pid;
uint32_t pr_ppid;
uint32_t pr_pgrp;
uint32_t pr_sid;
compat_timeval pr_utime;
compat_timeval pr_stime;
compat_timeval pr_cutime;
compat_timeval pr_cstime;
ELFLinuxPrStatus();
bool
Parse(lldb_private::DataExtractor &data, lldb_private::ArchSpec &arch);
static size_t
GetSize(lldb_private::ArchSpec &arch)
{
switch(arch.GetCore())
{
case lldb_private::ArchSpec::eCore_s390x_generic:
case lldb_private::ArchSpec::eCore_x86_64_x86_64:
return ELFLINUXPRSTATUS64_SIZE;
default:
return 0;
}
}
};
struct ELFLinuxPrPsInfo
{
char pr_state;
char pr_sname;
char pr_zomb;
char pr_nice;
uint64_t pr_flag;
uint32_t pr_uid;
uint32_t pr_gid;
int32_t pr_pid;
int32_t pr_ppid;
int32_t pr_pgrp;
int32_t pr_sid;
char pr_fname[16];
char pr_psargs[80];
ELFLinuxPrPsInfo();
bool
Parse(lldb_private::DataExtractor &data, lldb_private::ArchSpec &arch);
static size_t
GetSize(lldb_private::ArchSpec &arch)
{
switch(arch.GetCore())
{
case lldb_private::ArchSpec::eCore_s390x_generic:
case lldb_private::ArchSpec::eCore_x86_64_x86_64:
return ELFLINUXPRPSINFO64_SIZE;
default:
return 0;
}
}
};
struct ThreadData
{
lldb_private::DataExtractor gpregset;
lldb_private::DataExtractor fpregset;
lldb_private::DataExtractor vregset;
lldb::tid_t tid;
int signo;
std::string name;
};
class ThreadElfCore : public lldb_private::Thread
{
public:
ThreadElfCore (lldb_private::Process &process, const ThreadData &td);
~ThreadElfCore() override;
void
RefreshStateAfterStop() override;
lldb::RegisterContextSP
GetRegisterContext() override;
lldb::RegisterContextSP
CreateRegisterContextForFrame(lldb_private::StackFrame *frame) override;
void
ClearStackFrames() override;
static bool
ThreadIDIsValid (lldb::tid_t thread)
{
return thread != 0;
}
const char *
GetName() override
{
if (m_thread_name.empty())
return NULL;
return m_thread_name.c_str();
}
void
SetName(const char *name) override
{
if (name && name[0])
m_thread_name.assign (name);
else
m_thread_name.clear();
}
protected:
//------------------------------------------------------------------
// Member variables.
//------------------------------------------------------------------
std::string m_thread_name;
lldb::RegisterContextSP m_thread_reg_ctx_sp;
int m_signo;
lldb_private::DataExtractor m_gpregset_data;
lldb_private::DataExtractor m_fpregset_data;
lldb_private::DataExtractor m_vregset_data;
bool CalculateStopInfo() override;
};
#endif // liblldb_ThreadElfCore_h_
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