Esempi in C++ (Cpp) per restore_breakpoint_from_single_step

Esempio n. 1

File: x86-arch.c Progetto: nixeagle/sbcl

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. */
    current_control_stack_pointer =
        (lispobj *)*os_context_sp_addr(context);

#ifdef LISP_FEATURE_SUNOS
    /* For some reason the breakpoints that :ENCAPSULATE NIL tracing sets up
     * cause a trace trap (i.e. processor single-stepping trap) on the following
     * instruction on Solaris 10/x86. -- JES, 2006-04-07
     */
    if (info->si_code == TRAP_TRACE) {
        lose("foo");
        return;
    }
#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
     * arguments to follow. */
    trap = *(unsigned char *)(*os_context_pc_addr(context));
    handle_trap(context, trap);
}

Esempio n. 2

File: x86-64-arch.c Progetto: Lovesan/sbcl-win32-threads

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);
}