RTDECL(void) RTSpinlockReleaseNoInts(RTSPINLOCK Spinlock)
{
#if 1
if (RT_UNLIKELY(!(Spinlock->fFlags & RTSPINLOCK_FLAGS_INTERRUPT_SAFE)))
RTAssertMsg2("RTSpinlockReleaseNoInts: %p (magic=%#x)\n", Spinlock, Spinlock->u32Magic);
#else
AssertRelease(Spinlock->fFlags & RTSPINLOCK_FLAGS_INTERRUPT_SAFE);
#endif
RTSpinlockRelease(Spinlock);
}
static void sigHandler(int iSig, siginfo_t *pSigInfo, void *pvSigCtx)
{
ucontext_t *pCtx = (ucontext_t *)pvSigCtx;
NOREF(pSigInfo);
# if defined(RT_ARCH_AMD64) && defined(RT_OS_DARWIN)
uintptr_t *puPC = (uintptr_t *)&pCtx->uc_mcontext->__ss.__rip;
uintptr_t *puSP = (uintptr_t *)&pCtx->uc_mcontext->__ss.__rsp;
uintptr_t uTrapNo = pCtx->uc_mcontext->__es.__trapno;
uintptr_t uErr = pCtx->uc_mcontext->__es.__err;
uintptr_t uCr2 = pCtx->uc_mcontext->__es.__faultvaddr;
# elif defined(RT_ARCH_AMD64) && defined(RT_OS_FREEBSD)
uintptr_t *puPC = (uintptr_t *)&pCtx->uc_mcontext.mc_rip;
uintptr_t *puSP = (uintptr_t *)&pCtx->uc_mcontext.mc_rsp;
uintptr_t uTrapNo = ~(uintptr_t)0;
uintptr_t uErr = ~(uintptr_t)0;
uintptr_t uCr2 = ~(uintptr_t)0;
# elif defined(RT_ARCH_AMD64)
uintptr_t *puPC = (uintptr_t *)&pCtx->uc_mcontext.gregs[REG_RIP];
uintptr_t *puSP = (uintptr_t *)&pCtx->uc_mcontext.gregs[REG_RSP];
uintptr_t uTrapNo = pCtx->uc_mcontext.gregs[REG_TRAPNO];
uintptr_t uErr = pCtx->uc_mcontext.gregs[REG_ERR];
uintptr_t uCr2 = pCtx->uc_mcontext.gregs[REG_CR2];
# elif defined(RT_ARCH_X86) && defined(RT_OS_DARWIN)
uintptr_t *puPC = (uintptr_t *)&pCtx->uc_mcontext->__ss.__eip;
uintptr_t *puSP = (uintptr_t *)&pCtx->uc_mcontext->__ss.__esp;
uintptr_t uTrapNo = pCtx->uc_mcontext->__es.__trapno;
uintptr_t uErr = pCtx->uc_mcontext->__es.__err;
uintptr_t uCr2 = pCtx->uc_mcontext->__es.__faultvaddr;
# elif defined(RT_ARCH_X86) && defined(RT_OS_FREEBSD)
uintptr_t *puPC = (uintptr_t *)&pCtx->uc_mcontext.mc_eip;
uintptr_t *puSP = (uintptr_t *)&pCtx->uc_mcontext.mc_esp;
uintptr_t uTrapNo = ~(uintptr_t)0;
uintptr_t uErr = ~(uintptr_t)0;
uintptr_t uCr2 = ~(uintptr_t)0;
# elif defined(RT_ARCH_X86)
uintptr_t *puPC = (uintptr_t *)&pCtx->uc_mcontext.gregs[REG_EIP];
uintptr_t *puSP = (uintptr_t *)&pCtx->uc_mcontext.gregs[REG_ESP];
uintptr_t uTrapNo = pCtx->uc_mcontext.gregs[REG_TRAPNO];
uintptr_t uErr = pCtx->uc_mcontext.gregs[REG_ERR];
# ifdef REG_CR2 /** @todo ... */
uintptr_t uCr2 = pCtx->uc_mcontext.gregs[REG_CR2];
# else
uintptr_t uCr2 = ~(uintptr_t)0;
# endif
# else
uintptr_t *puPC = NULL;
uintptr_t *puSP = NULL;
uintptr_t uTrapNo = ~(uintptr_t)0;
uintptr_t uErr = ~(uintptr_t)0;
uintptr_t uCr2 = ~(uintptr_t)0;
# endif
if (uTrapNo == X86_XCPT_PF)
RTAssertMsg2("tstX86-1: Trap #%#04x err=%#06x at %p / %p\n", uTrapNo, uErr, *puPC, uCr2);
else
RTAssertMsg2("tstX86-1: Trap #%#04x err=%#06x at %p\n", uTrapNo, uErr, *puPC);
PCTRAPINFO pTrapInfo = findTrapInfo(*puPC, *puSP);
if (pTrapInfo)
{
if (pTrapInfo->u8Trap != uTrapNo && uTrapNo != ~(uintptr_t)0)
RTAssertMsg2("tstX86-1: Expected #%#04x, got #%#04x\n", pTrapInfo->u8Trap, uTrapNo);
else
{
if (*puPC != pTrapInfo->uTrapPC)
*puSP += sizeof(uintptr_t);
*puPC = pTrapInfo->uResumePC;
return;
}
}
else
RTAssertMsg2("tstX86-1: Unexpected trap!\n");
/* die */
signal(iSig, SIG_IGN);
}
