bool MethodComparator::methods_EMCP(methodOop old_method, methodOop new_method) {
if (old_method->code_size() != new_method->code_size())
return false;
if (check_stack_and_locals_size(old_method, new_method) != 0) {
// RC_TRACE macro has an embedded ResourceMark
RC_TRACE(0x00800000, ("Methods %s non-comparable with diagnosis %d",
old_method->name()->as_C_string(),
check_stack_and_locals_size(old_method, new_method)));
return false;
}
_old_cp = old_method->constants();
_new_cp = new_method->constants();
BytecodeStream s_old(old_method);
BytecodeStream s_new(new_method);
_s_old = &s_old;
_s_new = &s_new;
_switchable_test = false;
Bytecodes::Code c_old, c_new;
while ((c_old = s_old.next()) >= 0) {
if ((c_new = s_new.next()) < 0 || c_old != c_new)
return false;
if (! args_same(c_old, c_new))
return false;
}
return true;
}
bool MethodComparator::methods_switchable(methodOop old_method, methodOop new_method,
BciMap &bci_map) {
if (old_method->code_size() > new_method->code_size())
// Something has definitely been deleted in the new method, compared to the old one.
return false;
if (! check_stack_and_locals_size(old_method, new_method))
return false;
_old_cp = old_method->constants();
_new_cp = new_method->constants();
BytecodeStream s_old(old_method);
BytecodeStream s_new(new_method);
_s_old = &s_old;
_s_new = &s_new;
_bci_map = &bci_map;
_switchable_test = true;
GrowableArray<int> fwd_jmps(16);
_fwd_jmps = &fwd_jmps;
Bytecodes::Code c_old, c_new;
while ((c_old = s_old.next()) >= 0) {
if ((c_new = s_new.next()) < 0)
return false;
if (! (c_old == c_new && args_same(c_old, c_new))) {
int old_bci = s_old.bci();
int new_st_bci = s_new.bci();
bool found_match = false;
do {
c_new = s_new.next();
if (c_new == c_old && args_same(c_old, c_new)) {
found_match = true;
break;
}
} while (c_new >= 0);
if (! found_match)
return false;
int new_end_bci = s_new.bci();
bci_map.store_fragment_location(old_bci, new_st_bci, new_end_bci);
}
}
// Now we can test all forward jumps
for (int i = 0; i < fwd_jmps.length() / 2; i++) {
if (! bci_map.old_and_new_locations_same(fwd_jmps.at(i*2), fwd_jmps.at(i*2+1))) {
RC_TRACE(0x00800000,
("Fwd jump miss: old dest = %d, calc new dest = %d, act new dest = %d",
fwd_jmps.at(i*2), bci_map.new_bci_for_old(fwd_jmps.at(i*2)),
fwd_jmps.at(i*2+1)));
return false;
}
}
return true;
}
// old, plus
void WindowSize::draw_calculation(const int y, const int o, const int p)
{
const int base = (hex.get_checked() ? 16 : 10);
std::string s_old(4, ' ');
std::string s_add(4, ' ');
std::string s_new(4, ' ');
std::string s_pls(p < 0 ? "-" : "+");
std::string s_eql("=");
Torbit& tb = get_torbit();
BITMAP* bp = tb.get_al_bitmap();
// Alte Zahl wegputzen
rectfill(bp, x_offset, y, this_xl-2,y+19,color[COL_API_M]);
for (int i = 3, temp = o; i >= 0 && temp > 0; --i) {
s_old[i] = digit_to_character(temp % base);
temp /= base;
if (temp == 0 && base == 16 && i > 0) s_old[i-1] = 'x';
}
for (int i = 3, temp = o+p; i >= 0 && temp > 0; --i) {
s_new[i] = digit_to_character(temp % base);
temp /= base;
if (temp == 0 && base == 16 && i > 0) s_new[i-1] = 'x';
}
s_add[3] = '0';
for (int i = 3, temp = (p < 0) ? -p : p; i >= 0 && temp > 0; --i) {
s_add[i] = digit_to_character(temp % base);
temp /= base;
if (temp == 0 && base == 16 && i > 0) s_add[i-1] = 'x';
}
const int x_here = get_x_here() + x_offset;
Help::draw_shadow_fixed_text(tb, font_med, s_old, x_here+ 0, y, color[COL_TEXT]);
Help::draw_shadow_fixed_text(tb, font_med, s_pls, x_here+ 55, y, color[COL_TEXT]);
Help::draw_shadow_fixed_text(tb, font_med, s_add, x_here+ 85, y, color[COL_TEXT]);
Help::draw_shadow_fixed_text(tb, font_med, s_eql, x_here+135, y, color[COL_TEXT]);
Help::draw_shadow_fixed_text(tb, font_med, s_new, x_here+160, y, color[COL_TEXT_ON]);
}
