static gboolean
gum_kernel_scan_context_emit_match (GumAddress address,
gsize size,
GumKernelScanContext * self)
{
GumDukCore * core = self->core;
GumDukScope scope;
duk_context * ctx;
gboolean proceed;
ctx = _gum_duk_scope_enter (&scope, core);
duk_push_heapptr (ctx, self->on_match);
_gum_duk_push_uint64 (ctx, address, core);
duk_push_number (ctx, size);
proceed = TRUE;
if (_gum_duk_scope_call (&scope, 2))
{
if (duk_is_string (ctx, -1))
proceed = strcmp (duk_require_string (ctx, -1), "stop") != 0;
}
duk_pop (ctx);
_gum_duk_scope_leave (&scope);
return proceed;
}
static gboolean
gum_duk_exception_handler_on_exception (GumExceptionDetails * details,
gpointer user_data)
{
GumDukExceptionHandler * handler = user_data;
GumDukCore * core = handler->core;
GumDukScope scope;
duk_context * ctx;
GumDukCpuContext * cpu_context;
gboolean handled = FALSE;
ctx = _gum_duk_scope_enter (&scope, core);
_gum_duk_push_exception_details (ctx, details, core, &cpu_context);
duk_push_heapptr (ctx, handler->callback);
duk_dup (ctx, -2);
if (_gum_duk_scope_call (&scope, 1))
{
if (duk_is_boolean (ctx, -1))
handled = duk_require_boolean (ctx, -1);
}
_gum_duk_cpu_context_make_read_only (cpu_context);
duk_pop_2 (ctx);
_gum_duk_scope_leave (&scope);
return handled;
}
static void
gum_kernel_scan_context_run (GumKernelScanContext * self)
{
GumDukCore * core = self->core;
GumDukScope script_scope;
duk_context * ctx;
gum_kernel_scan (&self->range, self->pattern,
(GumMemoryScanMatchFunc) gum_kernel_scan_context_emit_match, self);
ctx = _gum_duk_scope_enter (&script_scope, core);
duk_push_heapptr (ctx, self->on_complete);
_gum_duk_scope_call (&script_scope, 0);
duk_pop (ctx);
_gum_duk_scope_leave (&script_scope);
}