#include "interr.h"
#include "breakpoint.h"
#include "thread.h"
+#include "pseudo-atomic.h"
#include "genesis/static-symbols.h"
#include "genesis/symbol.h"
os_context_register_t *
context_eflags_addr(os_context_t *context)
{
-#if defined __linux__
+#if defined __linux__ || defined __sun
/* KLUDGE: As of kernel 2.2.14 on Red Hat 6.2, there's code in the
* <sys/ucontext.h> file to define symbolic names for offsets into
* gregs[], but it's conditional on __USE_GNU and not defined, so
#elif defined __FreeBSD__
return &context->uc_mcontext.mc_rflags;
#elif defined LISP_FEATURE_DARWIN
- return &context->uc_mcontext->ss.rflags;
+ return CONTEXT_ADDR_FROM_STEM(rflags);
#elif defined __OpenBSD__
- return &context->sc_eflags;
+ return &context->sc_rflags;
+#elif defined __NetBSD__
+ return CONTEXT_ADDR_FROM_STEM(RFLAGS);
#else
#error unsupported OS
#endif
\f
void
-sigtrap_handler(int signal, siginfo_t *info, void *void_context)
+sigtrap_handler(int signal, siginfo_t *info, os_context_t *context)
{
- int code = info->si_code;
- os_context_t *context = (os_context_t*)void_context;
unsigned int trap;
if (single_stepping && (signal==SIGTRAP))
current_control_stack_pointer =
(lispobj *)*os_context_sp_addr(context);
- /* FIXME: CMUCL puts the float control restoration code here.
- Thus, it seems to me that single-stepping won't restore the
- float control. Since SBCL currently doesn't support
- single-stepping (as far as I can tell) this is somewhat moot,
- but it might be worth either moving this code up or deleting
- the single-stepping code entirely. -- CSR, 2002-07-15 */
-#if defined(LISP_FEATURE_LINUX) || defined(RESTORE_FP_CONTROL_FROM_CONTEXT)
- os_restore_fp_control(context);
-#endif
-
/* On entry %eip points just after the INT3 byte and aims at the
* 'kind' value (eg trap_Cerror). For error-trap and Cerror-trap a
* number of bytes will follow, the first is the length of the byte
}
void
-sigill_handler(int signal, siginfo_t *siginfo, void *void_context) {
- os_context_t *context = (os_context_t*)void_context;
-
+sigill_handler(int signal, siginfo_t *siginfo, os_context_t *context) {
/* Triggering SIGTRAP using int3 is unreliable on OS X/x86, so
* we need to use illegal instructions for traps.
*/
#if defined(LISP_FEATURE_DARWIN) && !defined(LISP_FEATURE_MACH_EXCEPTION_HANDLER)
if (*((unsigned short *)*os_context_pc_addr(context)) == 0x0b0f) {
*os_context_pc_addr(context) += 2;
- return sigtrap_handler(signal, siginfo, void_context);
+ return sigtrap_handler(signal, siginfo, context);
}
#endif
}
static void
-sigfpe_handler(int signal, siginfo_t *siginfo, void *void_context)
+sigfpe_handler(int signal, siginfo_t *siginfo, os_context_t *context)
{
- os_context_t *context = arch_os_get_context(&void_context);
unsigned int *mxcsr = arch_os_context_mxcsr_addr(context);
if (siginfo->si_code == 0) { /* XMM exception */