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Fixes for linux64

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This commit is contained in:
castano 2007-06-17 06:47:36 +00:00
parent acbebcc444
commit c4c6b95a50
2 changed files with 55 additions and 55 deletions
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108
src/nvcore/Debug.cpp
View File

@ -161,60 +161,60 @@ namespace
}
#endif // defined(HAVE_EXECINFO_H)
static void * callerAddress(void * secret)
{
# if NV_OS_DARWIN && NV_CPU_PPC
ucontext_t * ucp = (ucontext_t *)secret;
return (void *) ucp->uc_mcontext->ss.srr0;
# elif NV_OS_DARWIN && NV_CPU_X86
ucontext_t * ucp = (ucontext_t *)secret;
return (void *) ucp->uc_mcontext->ss.eip;
# elif NV_CPU_X86_64
// #define REG_RIP REG_INDEX(rip) // seems to be 16
ucontext_t * ucp = (ucontext_t *)secret;
return (void *)ucp->uc_mcontext.gregs[REG_RIP];
# elif NV_CPU_X86
ucontext_t * ucp = (ucontext_t *)secret;
return (void *)ucp->uc_mcontext.gregs[REG_EIP]; // 14
# elif NV_CPU_PPC
ucontext_t * ucp = (ucontext_t *)secret;
return (void *) ucp->uc_mcontext.regs->nip;
# else
return NULL;
# endif
// How to obtain the instruction pointers in different platforms, from mlton's source code.
// http://mlton.org/
// OpenBSD && NetBSD
// ucp->sc_eip
// FreeBSD:
// ucp->uc_mcontext.mc_eip
// HPUX:
// ucp->uc_link
// Solaris:
// ucp->uc_mcontext.gregs[REG_PC]
// Linux hppa:
// uc->uc_mcontext.sc_iaoq[0] & ~0×3UL
// Linux sparc:
// ((struct sigcontext*) secret)->sigc_regs.tpc
// Linux sparc64:
// ((struct sigcontext*) secret)->si_regs.pc
// potentially correct for other archs:
// Linux alpha: ucp->m_context.sc_pc
// Linux arm: ucp->m_context.ctx.arm_pc
// Linux ia64: ucp->m_context.sc_ip & ~0×3UL
// Linux mips: ucp->m_context.sc_pc
// Linux s390: ucp->m_context.sregs->regs.psw.addr
}
static void * callerAddress(void * secret)
{
# if NV_OS_DARWIN && NV_CPU_PPC
ucontext_t * ucp = (ucontext_t *)secret;
return (void *) ucp->uc_mcontext->ss.srr0;
# elif NV_OS_DARWIN && NV_CPU_X86
ucontext_t * ucp = (ucontext_t *)secret;
return (void *) ucp->uc_mcontext->ss.eip;
# elif NV_CPU_X86_64
// #define REG_RIP REG_INDEX(rip) // seems to be 16
ucontext_t * ucp = (ucontext_t *)secret;
return (void *)ucp->uc_mcontext.gregs[REG_RIP];
# elif NV_CPU_X86
ucontext_t * ucp = (ucontext_t *)secret;
return (void *)ucp->uc_mcontext.gregs[14/*REG_EIP*/];
# elif NV_CPU_PPC
ucontext_t * ucp = (ucontext_t *)secret;
return (void *) ucp->uc_mcontext.regs->nip;
# else
return NULL;
# endif
// How to obtain the instruction pointers in different platforms, from mlton's source code.
// http://mlton.org/
// OpenBSD && NetBSD
// ucp->sc_eip
// FreeBSD:
// ucp->uc_mcontext.mc_eip
// HPUX:
// ucp->uc_link
// Solaris:
// ucp->uc_mcontext.gregs[REG_PC]
// Linux hppa:
// uc->uc_mcontext.sc_iaoq[0] & ~0×3UL
// Linux sparc:
// ((struct sigcontext*) secret)->sigc_regs.tpc
// Linux sparc64:
// ((struct sigcontext*) secret)->si_regs.pc
// potentially correct for other archs:
// Linux alpha: ucp->m_context.sc_pc
// Linux arm: ucp->m_context.ctx.arm_pc
// Linux ia64: ucp->m_context.sc_ip & ~0×3UL
// Linux mips: ucp->m_context.sc_pc
// Linux s390: ucp->m_context.sregs->regs.psw.addr
}
static void nvSigHandler(int sig, siginfo_t *info, void *secret)
{
void * pnt = callerAddress(secret);
{
void * pnt = callerAddress(secret);
// Do something useful with siginfo_t
if (sig == SIGSEGV) {
if (sig == SIGSEGV) {
if (pnt != NULL) nvDebug("Got signal %d, faulty address is %p, from %p\n", sig, info->si_addr, pnt);
else nvDebug("Got signal %d, faulty address is %p\n", sig, info->si_addr);
}
@ -231,9 +231,9 @@ namespace
int size = backtrace(trace, 64);
if (pnt != NULL) {
// Overwrite sigaction with caller's address.
// Overwrite sigaction with caller's address.
ucontext_t * uc = (ucontext_t *)secret;
trace[1] = (void *) uc->uc_mcontext.gregs[REG_EIP];
trace[1] = pnt;
}
nvPrintStackTrace(trace, size, 1);
@ -469,7 +469,7 @@ void debug::enableSigHandler()
struct sigaction sa;
sa.sa_sigaction = nvSigHandler;
sigemptyset (&sa.sa_mask);
sa.sa_flags = SA_ONSTACK | SA_RESTART | SA_SIGINFO;
sa.sa_flags = SA_ONSTACK | SA_RESTART | SA_SIGINFO;
sigaction(SIGSEGV, &sa, &s_old_sigsegv);
sigaction(SIGTRAP, &sa, &s_old_sigtrap);

2
src/nvcore/Debug.h
View File

@ -67,7 +67,7 @@
#endif // NV_NO_ASSERT
// Use nvAssume for very simple expresions only: piAssume(0), piAssume(value == true), etc.
// Use nvAssume for very simple expresions only: nvAssume(0), nvAssume(value == true), etc.
#if defined(_DEBUG)
# if NV_CC_MSVC
# define nvAssume(exp) __assume(exp)