static boolean
cs_valid_pointer_p(struct call_frame *pointer)
{
struct thread *thread=arch_os_get_current_thread();
return (((char *) thread->control_stack_start <= (char *) pointer) &&
((char *) pointer < (char *) access_control_stack_pointer(thread)));
}
lispobj
funcall0(lispobj function)
{
lispobj **stack_pointer
= &access_control_stack_pointer(arch_os_get_current_thread());
lispobj *args = *stack_pointer;
return safe_call_into_lisp(function, args, 0);
}
lispobj
funcall1(lispobj function, lispobj arg0)
{
lispobj **stack_pointer
= &access_control_stack_pointer(arch_os_get_current_thread());
lispobj *args = *stack_pointer;
*stack_pointer += 1;
args[0] = arg0;
return safe_call_into_lisp(function, args, 1);
}
lispobj
funcall3(lispobj function, lispobj arg0, lispobj arg1, lispobj arg2)
{
lispobj **stack_pointer
= &access_control_stack_pointer(arch_os_get_current_thread());
lispobj *args = *stack_pointer;
*stack_pointer += 3;
args[0] = arg0;
args[1] = arg1;
args[2] = arg2;
return safe_call_into_lisp(function, args, 3);
}
static void
regs_cmd(char **ptr)
{
struct thread *thread=arch_os_get_current_thread();
printf("CSP\t=\t%p ", access_control_stack_pointer(thread));
#if !defined(LISP_FEATURE_X86) && !defined(LISP_FEATURE_X86_64)
printf("CFP\t=\t%p ", access_control_frame_pointer(thread));
#endif
#ifdef reg_BSP
printf("BSP\t=\t%p\n", get_binding_stack_pointer(thread));
#else
/* printf("BSP\t=\t0x%08lx\n",
(unsigned long)SymbolValue(BINDING_STACK_POINTER)); */
printf("\n");
#endif
#ifdef LISP_FEATURE_GENCGC
/* printf("DYNAMIC\t=\t0x%08lx\n", DYNAMIC_SPACE_START); */
#else
printf("STATIC\t=\t%p ",
SymbolValue(STATIC_SPACE_FREE_POINTER, thread));
printf("RDONLY\t=\t0x%08lx ",
(unsigned long)SymbolValue(READ_ONLY_SPACE_FREE_POINTER, thread));
printf("DYNAMIC\t=\t0x%08lx\n", (unsigned long)current_dynamic_space);
#endif
#ifdef reg_ALLOC
printf("ALLOC\t=\t0x%08lx\n", (unsigned long)dynamic_space_free_pointer);
#else
printf("ALLOC\t=\t0x%08lx\n",
(unsigned long)SymbolValue(ALLOCATION_POINTER, thread));
#endif
#ifndef LISP_FEATURE_GENCGC
printf("TRIGGER\t=\t0x%08lx\n", (unsigned long)current_auto_gc_trigger);
#endif
}
void
sigtrap_handler(int signal, siginfo_t *info, os_context_t *context)
{
unsigned int trap;
if (single_stepping) {
restore_breakpoint_from_single_step(context);
return;
}
/* This is just for info in case the monitor wants to print an
* approximation. */
access_control_stack_pointer(arch_os_get_current_thread()) =
(lispobj *)*os_context_sp_addr(context);
/* 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
* arguments to follow. */
trap = *(unsigned char *)(*os_context_pc_addr(context));
handle_trap(context, trap);
}