def show_microcode():
"""Generates and displays microcode for an address range.
An address range can be a selection of code or that of
the current function."""
sel, sea, eea = kw.read_range_selection(None)
pfn = ida_funcs.get_func(kw.get_screen_ea())
if not sel and not pfn:
return (False, "Position cursor within a function or select range")
if not sel and pfn:
sea = pfn.start_ea
eea = pfn.end_ea
addr_fmt = "%016x" if ida_ida.inf_is_64bit() else "%08x"
fn_name = (ida_funcs.get_func_name(pfn.start_ea) if pfn else "0x%s-0x%s" %
(addr_fmt % sea, addr_fmt % eea))
F = ida_bytes.get_flags(sea)
if not ida_bytes.is_code(F):
return (False, "The selected range must start with an instruction")
text, mmat, mba_flags = ask_desired_maturity()
if text is None and mmat is None:
return (True, "Cancelled")
if not sel and pfn:
mbr = hr.mba_ranges_t(pfn)
else:
mbr = hr.mba_ranges_t()
mbr.ranges.push_back(ida_range.range_t(sea, eea))
hf = hr.hexrays_failure_t()
ml = hr.mlist_t()
mba = hr.gen_microcode(mbr, hf, ml, hr.DECOMP_WARNINGS, mmat)
if not mba:
return (False, "0x%s: %s" % (addr_fmt % hf.errea, hf.desc()))
vp = printer_t()
mba.set_mba_flags(mba_flags)
mba._print(vp)
mcv = microcode_viewer_t()
if not mcv.Create(
mba, "0x%s-0x%s (%s)" %
(addr_fmt % sea, addr_fmt % eea, text), text, fn_name, vp.get_mc()):
return (False, "Error creating viewer")
mcv.Show()
return (True, "Successfully generated microcode for 0x%s..0x%s" %
(addr_fmt % sea, addr_fmt % eea))
def set_addr(self, ea, new_cursor=None):
_ea = ea
selection, start, end = ida_kernwin.read_range_selection(None)
if selection:
_ea = start
base = self.bh.get_base(_ea)
self._set_base(base)
self._set_offs(_ea - base)
if new_cursor:
self.set_cursor_offset(new_cursor)
if self.highlight_cursor:
highlight_item(_ea)
self.repaint()
# Copyright (c) 2007-2020 by Hex-Rays, [email protected] # ALL RIGHTS RESERVED. # # Sample script for Hex-Rays Decompiler. # It generates microcode for selection and dumps it to the output window. # # This is a rewrite in Python of the vds13 example that comes with hexrays sdk. # import ida_bytes import ida_range import ida_kernwin import ida_hexrays if ida_hexrays.init_hexrays_plugin(): sel, sea, eea = ida_kernwin.read_range_selection(None) w = ida_kernwin.warning if sel: F = ida_bytes.get_flags(sea) if ida_bytes.is_code(F): hf = ida_hexrays.hexrays_failure_t() mbr = ida_hexrays.mba_ranges_t() mbr.ranges.push_back(ida_range.range_t(sea, eea)) mba = ida_hexrays.gen_microcode(mbr, hf, None, ida_hexrays.DECOMP_WARNINGS) if mba: print("Successfully generated microcode for 0x%08x..0x%08x\n" % (sea, eea)) vp = ida_hexrays.vd_printer_t() mba._print(vp) else:
def get_selected_range_or_line():
selection, startaddr, endaddr = ida_kernwin.read_range_selection(None)
if selection:
return startaddr, endaddr
else:
return ida_kernwin.get_screen_ea(), None
def paintEvent(self, event):
if not self.fm:
return
# set leftmost x-coordinate of graph
zoom_level = self.get_zoom()
self.rect_x_width = self.get_width() * zoom_level
self.rect_x = (self.rect().width() / 2) - (self.rect_x_width / 2)
self.qp.begin(self)
# what is a good default font for OSX/Linux?
self.qp.setFont(QFont(FONT_DEFAULT))
# fill background
self.qp.fillRect(self.rect(), Qt.black)
content_addr = content_size = None
if self.fm.support_selection:
selected, start, end = ida_kernwin.read_range_selection(None)
if selected:
content_addr = start #min(start, end)
content_size = end - start #max(start, end) - content_addr
# use colorfilter to render image
img = self.render_image(addr=content_addr, buf_size=content_size)
if img:
"""
if zoom_level > 6:
opacity = self.qp.opacity()
full_opacity_zoom = 40.0
cur_opacity = (1.0 - (full_opacity_zoom - float(min(zoom_level-1, full_opacity_zoom)))/full_opacity_zoom)
self.qp.setOpacity(1.0-cur_opacity)
"""
# draw image
self.qp.drawImage(
QRect(
QPoint(self.rect_x, 0),
QPoint(self.rect_x + self.get_width() * zoom_level,
(self.get_pixels_total() / self.get_width()) *
zoom_level)), img)
# TODO: pen color contrast
# TODO: data export: render data
# TODO: default fonts / OS?
# TODO: optimization
# FIXME: there's a bug with gaps/unmapped buffers
if self.render_data and not self.fm.disable_data and zoom_level > 6:
self.qp.setPen(QColor(Qt.white))
fontsize = self.qp.font().pointSize()
font = self.qp.font()
font.setPointSize(zoom_level / 3)
self.qp.setFont(font)
opacity = self.qp.opacity()
full_opacity_zoom = 28
cur_opacity = (
1.0 - (full_opacity_zoom -
float(min(zoom_level - 1, full_opacity_zoom))) /
full_opacity_zoom)
self.qp.setOpacity(cur_opacity)
m = self.qp.fontMetrics()
x = y = 0
num_pixels_per_row = self.get_width()
if self.cur_formatter_idx == 0:
sample = "%c" % (ord('X'))
cwidth = m.width(sample)
cheight = m.height()
for mapped, buf in self.buffers:
for i in range(len(buf)):
if mapped:
b = ord(buf[i])
data = "%c" % (chr(b) if b in range(
0x20, 0x7E) else ".")
self.qp.drawStaticText(
self.rect_x + x * zoom_level +
(zoom_level - cwidth) / 2, y * zoom_level +
(zoom_level - cheight) / 2,
QStaticText(data))
x = (i + 1) % num_pixels_per_row
if not x:
y = y + 1
elif self.cur_formatter_idx == 1:
sample = "%02X" % (ord('X'))
cwidth = m.width(sample)
cheight = m.height()
for mapped, buf in self.buffers:
for i in range(len(buf)):
if mapped:
data = "%02X" % ord(buf[i])
self.qp.drawStaticText(
self.rect_x + x * zoom_level +
(zoom_level - cwidth) / 2, y * zoom_level +
(zoom_level - cheight) / 2,
QStaticText(data))
x = (i + 1) % num_pixels_per_row
if not x:
y = y + 1
self.qp.setOpacity(opacity)
font.setPointSize(fontsize)
self.qp.setFont(font)
if self.show_address_range and self.fm.link_pixel:
self.render_slider(addr=content_addr, buf_size=content_size)
# get and draw annotations and pointers
annotations = self.fm.on_get_annotations(
content_addr if content_addr else self.get_address(),
self.get_pixels_total(), self.mouseOffs)
if annotations:
self.render_annotations(annotations)
self.qp.end()
return
def paintEvent(self, event):
if not self.fm:
return
# set leftmost x-coordinate of graph
zoom_level = self.get_zoom()
self.rect_x_width = self.get_pixel_qty_per_line() * zoom_level
self.rect_x = (self.rect().width() / 2) - (self.rect_x_width / 2)
self.qp.begin(self)
# what is a good default font for OSX/Linux?
self.qp.setFont(QFont(FONT_DEFAULT))
# fill background
self.qp.fillRect(self.rect(), Qt.black)
content_addr = content_size = None
if self.fm.support_selection:
selected, start, end = ida_kernwin.read_range_selection(None)
if selected:
content_addr = start #min(start, end)
content_size = end - start #max(start, end) - content_addr
# use colorfilter to render image
img = self.paint_image(addr=content_addr, buf_size=content_size)
if img:
"""
if zoom_level > 6:
opacity = self.qp.opacity()
full_opacity_zoom = 40.0
cur_opacity = (1.0 - (full_opacity_zoom - float(min(zoom_level-1, full_opacity_zoom)))/full_opacity_zoom)
self.qp.setOpacity(1.0-cur_opacity)
"""
# draw image
self.qp.drawImage(
QRect(
QPoint(self.rect_x, 0),
QPoint(
self.rect_x +
self.get_pixel_qty_per_line() * zoom_level,
(self.get_pixel_qty() / self.get_pixel_qty_per_line())
* zoom_level)), img)
# TODO: pen color contrast
# TODO: data export: render data
# TODO: default fonts / OS?
# TODO: optimization
# FIXME: there's a bug with gaps/unmapped buffers
if (self.cur_formatter_idx and not self.fm.disable_data
and zoom_level >= 10 and self.get_pixel_qty() < 70 * 70):
self.qp.setPen(QColor(Qt.white))
fontsize = self.qp.font().pointSize()
font = self.qp.font()
font.setPointSize(zoom_level / 3)
#font.setPixelSize(zoom_level)
self.qp.setFont(font)
opacity = self.qp.opacity()
full_opacity_zoom = 28
cur_opacity = (
1.0 - (full_opacity_zoom -
float(min(zoom_level - 1, full_opacity_zoom))) /
full_opacity_zoom)
self.qp.setOpacity(cur_opacity)
m = self.qp.fontMetrics()
x = y = 0
num_pixels_per_line = self.get_pixel_qty_per_line()
cm = self.qp.compositionMode()
self.qp.setCompositionMode(
self.composition_modes[self.cur_compos_mode][0])
if self.formatters[self.cur_formatter_idx][0] == 1:
fmt = lambda c: "%c" % c if c in range(0x20, 0x7e) else "."
elif self.formatters[self.cur_formatter_idx][0] == 2:
fmt = lambda c: "%02X" % c
for mapped, buf in self.buffers:
for i in range(len(buf)):
if mapped:
b = buf[i]
data = fmt(b)
self.qp.drawText(self.rect_x + x * zoom_level,
y * zoom_level, zoom_level,
zoom_level, Qt.AlignCenter, data)
x = (i + 1) % num_pixels_per_line
if not x:
y = y + 1
# restore attributes
self.qp.setCompositionMode(cm)
self.qp.setOpacity(opacity)
font.setPointSize(fontsize)
self.qp.setFont(font)
if self.show_address_range and self.fm.link_pixel:
self.paint_slider(addr=content_addr, buf_size=content_size)
# get and draw annotations and pointers
annotations = self.fm.on_get_annotations(
content_addr if content_addr else self.get_address(),
self.get_pixel_qty(), self.mouseOffs)
if annotations:
self.paint_annotations(annotations)
self.paint_status()
if self.textbox_content:
self.paint_text_box()
self.qp.end()
return
