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Pass tid through to ptrace operations 

This change is equivalent to the Linux threading support.

llvm-svn: 185671
This commit is contained in:
Ed Maste 2013-07-04 21:47:32 +00:00
parent 316c37407e
commit 6f066412ac
1 changed files with 35 additions and 27 deletions
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62
lldb/source/Plugins/Process/FreeBSD/ProcessMonitor.cpp
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@ -275,13 +275,16 @@ WriteOperation::Execute(ProcessMonitor *monitor)
class ReadRegOperation : public Operation
{
public:
ReadRegOperation(unsigned offset, unsigned size, RegisterValue &value, bool &result)
: m_offset(offset), m_size(size), m_value(value), m_result(result)
ReadRegOperation(lldb::tid_t tid, unsigned offset, unsigned size,
RegisterValue &value, bool &result)
: m_tid(tid), m_offset(offset), m_size(size),
m_value(value), m_result(result)
{ }
void Execute(ProcessMonitor *monitor);
private:
lldb::tid_t m_tid;
unsigned m_offset;
unsigned m_size;
RegisterValue &m_value;
@ -291,11 +294,10 @@ private:
void
ReadRegOperation::Execute(ProcessMonitor *monitor)
{
lldb::pid_t pid = monitor->GetPID();
struct reg regs;
int rc;
if ((rc = PTRACE(PT_GETREGS, pid, (caddr_t)&regs, 0)) < 0) {
if ((rc = PTRACE(PT_GETREGS, m_tid, (caddr_t)&regs, 0)) < 0) {
m_result = false;
} else {
if (m_size == sizeof(uintptr_t))
@ -312,13 +314,16 @@ ReadRegOperation::Execute(ProcessMonitor *monitor)
class WriteRegOperation : public Operation
{
public:
WriteRegOperation(unsigned offset, const RegisterValue &value, bool &result)
: m_offset(offset), m_value(value), m_result(result)
WriteRegOperation(lldb::tid_t tid, unsigned offset,
const RegisterValue &value, bool &result)
: m_tid(tid), m_offset(offset),
m_value(value), m_result(result)
{ }
void Execute(ProcessMonitor *monitor);
private:
lldb::tid_t m_tid;
unsigned m_offset;
const RegisterValue &m_value;
bool &m_result;
@ -327,15 +332,14 @@ private:
void
WriteRegOperation::Execute(ProcessMonitor *monitor)
{
lldb::pid_t pid = monitor->GetPID();
struct reg regs;
if (PTRACE(PT_GETREGS, pid, (caddr_t)&regs, 0) < 0) {
if (PTRACE(PT_GETREGS, m_tid, (caddr_t)&regs, 0) < 0) {
m_result = false;
return;
}
*(uintptr_t *)(((caddr_t)&regs) + m_offset) = (uintptr_t)m_value.GetAsUInt64();
if (PTRACE(PT_SETREGS, pid, (caddr_t)&regs, 0) < 0)
if (PTRACE(PT_SETREGS, m_tid, (caddr_t)&regs, 0) < 0)
m_result = false;
else
m_result = true;
@ -347,13 +351,14 @@ WriteRegOperation::Execute(ProcessMonitor *monitor)
class ReadGPROperation : public Operation
{
public:
ReadGPROperation(void *buf, bool &result)
: m_buf(buf), m_result(result)
ReadGPROperation(lldb::tid_t tid, void *buf, bool &result)
: m_tid(tid), m_buf(buf), m_result(result)
{ }
void Execute(ProcessMonitor *monitor);
private:
lldb::tid_t m_tid;
void *m_buf;
bool &m_result;
};
@ -364,7 +369,7 @@ ReadGPROperation::Execute(ProcessMonitor *monitor)
int rc;
errno = 0;
rc = PTRACE(PT_GETREGS, monitor->GetPID(), (caddr_t)m_buf, 0);
rc = PTRACE(PT_GETREGS, m_tid, (caddr_t)m_buf, 0);
if (errno != 0)
m_result = false;
else
@ -377,13 +382,14 @@ ReadGPROperation::Execute(ProcessMonitor *monitor)
class ReadFPROperation : public Operation
{
public:
ReadFPROperation(void *buf, bool &result)
: m_buf(buf), m_result(result)
ReadFPROperation(lldb::tid_t tid, void *buf, bool &result)
: m_tid(tid), m_buf(buf), m_result(result)
{ }
void Execute(ProcessMonitor *monitor);
private:
lldb::tid_t m_tid;
void *m_buf;
bool &m_result;
};
@ -391,7 +397,7 @@ private:
void
ReadFPROperation::Execute(ProcessMonitor *monitor)
{
if (PTRACE(PT_GETFPREGS, monitor->GetPID(), (caddr_t)m_buf, 0) < 0)
if (PTRACE(PT_GETFPREGS, m_tid, (caddr_t)m_buf, 0) < 0)
m_result = false;
else
m_result = true;
@ -403,13 +409,14 @@ ReadFPROperation::Execute(ProcessMonitor *monitor)
class WriteGPROperation : public Operation
{
public:
WriteGPROperation(void *buf, bool &result)
: m_buf(buf), m_result(result)
WriteGPROperation(lldb::tid_t tid, void *buf, bool &result)
: m_tid(tid), m_buf(buf), m_result(result)
{ }
void Execute(ProcessMonitor *monitor);
private:
lldb::tid_t m_tid;
void *m_buf;
bool &m_result;
};
@ -417,7 +424,7 @@ private:
void
WriteGPROperation::Execute(ProcessMonitor *monitor)
{
if (PTRACE(PT_SETREGS, monitor->GetPID(), (caddr_t)m_buf, 0) < 0)
if (PTRACE(PT_SETREGS, m_tid, (caddr_t)m_buf, 0) < 0)
m_result = false;
else
m_result = true;
@ -429,13 +436,14 @@ WriteGPROperation::Execute(ProcessMonitor *monitor)
class WriteFPROperation : public Operation
{
public:
WriteFPROperation(void *buf, bool &result)
: m_buf(buf), m_result(result)
WriteFPROperation(lldb::tid_t tid, void *buf, bool &result)
: m_tid(tid), m_buf(buf), m_result(result)
{ }
void Execute(ProcessMonitor *monitor);
private:
lldb::tid_t m_tid;
void *m_buf;
bool &m_result;
};
@ -443,7 +451,7 @@ private:
void
WriteFPROperation::Execute(ProcessMonitor *monitor)
{
if (PTRACE(PT_SETFPREGS, monitor->GetPID(), (caddr_t)m_buf, 0) < 0)
if (PTRACE(PT_SETFPREGS, m_tid, (caddr_t)m_buf, 0) < 0)
m_result = false;
else
m_result = true;
@ -1482,7 +1490,7 @@ ProcessMonitor::ReadRegisterValue(lldb::tid_t tid, unsigned offset, const char*
unsigned size, RegisterValue &value)
{
bool result;
ReadRegOperation op(offset, size, value, result);
ReadRegOperation op(tid, offset, size, value, result);
DoOperation(&op);
return result;
}
@ -1492,7 +1500,7 @@ ProcessMonitor::WriteRegisterValue(lldb::tid_t tid, unsigned offset,
const char* reg_name, const RegisterValue &value)
{
bool result;
WriteRegOperation op(offset, value, result);
WriteRegOperation op(tid, offset, value, result);
DoOperation(&op);
return result;
}
@ -1501,7 +1509,7 @@ bool
ProcessMonitor::ReadGPR(lldb::tid_t tid, void *buf, size_t buf_size)
{
bool result;
ReadGPROperation op(buf, result);
ReadGPROperation op(tid, buf, result);
DoOperation(&op);
return result;
}
@ -1510,7 +1518,7 @@ bool
ProcessMonitor::ReadFPR(lldb::tid_t tid, void *buf, size_t buf_size)
{
bool result;
ReadFPROperation op(buf, result);
ReadFPROperation op(tid, buf, result);
DoOperation(&op);
return result;
}
@ -1525,7 +1533,7 @@ bool
ProcessMonitor::WriteGPR(lldb::tid_t tid, void *buf, size_t buf_size)
{
bool result;
WriteGPROperation op(buf, result);
WriteGPROperation op(tid, buf, result);
DoOperation(&op);
return result;
}
@ -1534,7 +1542,7 @@ bool
ProcessMonitor::WriteFPR(lldb::tid_t tid, void *buf, size_t buf_size)
{
bool result;
WriteFPROperation op(buf, result);
WriteFPROperation op(tid, buf, result);
DoOperation(&op);
return result;
}