jeanlemotan
62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
///////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (c) Electronic Arts Inc. All rights reserved.
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include <eathread/eathread_callstack.h>
|
|
#include <stdlib.h>
|
|
|
|
namespace EA
|
|
{
|
|
namespace Thread
|
|
{
|
|
// With some implementations of pthread_disabled, the stack base is returned by pthread_disabled as NULL if it's the main thread,
|
|
// or possibly if it's a thread you created but didn't call pthread_disabled_attr_setstack manually to provide your
|
|
// own stack. It's impossible for us to tell here whether will be such a NULL return value, so we just do what
|
|
// we can and the user nees to beware that a NULL return value means that the system doesn't provide the
|
|
// given information for the current thread. This function returns false and sets pBase and pLimit to NULL in
|
|
// the case that the thread base and limit weren't returned by the system or were returned as NULL.
|
|
bool GetPthreadStackInfo(void** pBase, void** pLimit)
|
|
{
|
|
bool returnValue = false;
|
|
size_t stackSize;
|
|
void* pBaseTemp = NULL;
|
|
void* pLimitTemp = NULL;
|
|
|
|
ScePthreadAttr attr;
|
|
|
|
scePthreadAttrInit(&attr);
|
|
|
|
int result = scePthreadAttrGet(scePthreadSelf(), &attr);
|
|
if(result == 0) // SCE_OK (=0)
|
|
{
|
|
result = scePthreadAttrGetstack(&attr, &pLimitTemp, &stackSize);
|
|
if((result == 0) && (pLimitTemp != NULL)) // If success...
|
|
{
|
|
pBaseTemp = (void*)((uintptr_t)pLimitTemp + stackSize); // p is returned by pthread_disabled_attr_getstack as the lowest address in the stack, and not the stack base.
|
|
returnValue = true;
|
|
}
|
|
else
|
|
{
|
|
pBaseTemp = NULL;
|
|
pLimitTemp = NULL;
|
|
}
|
|
}
|
|
|
|
scePthreadAttrDestroy(&attr);
|
|
|
|
if(pBase)
|
|
*pBase = pBaseTemp;
|
|
if(pLimit)
|
|
*pLimit = pLimitTemp;
|
|
|
|
return returnValue;
|
|
}
|
|
|
|
} // namespace Callstack
|
|
} // namespace EA
|
|
|
|
|
|
|
|
|
|
|