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mirror of https://github.com/specht/champ.git synced 2024-11-29 20:49:24 +00:00
champ/champ.rb
2018-02-16 16:02:13 +01:00

832 lines
36 KiB
Ruby
Executable File

#!/usr/bin/env ruby
require 'fileutils'
require 'open3'
require 'set'
require 'tmpdir'
require 'yaml'
require 'stringio'
KEYWORDS = <<EOS
ADC AND ASL BCC BCS BEQ BIT BMI BNE BPL BRA BRK BVC BVS CLC CLD CLI CLV
CMP CPX CPY DEA DEC DEX DEY DSK EOR EQU INA INC INX INY JMP JSR LDA LDX
LDY LSR MX NOP ORA ORG PHA PHP PHX PHY PLA PLP PLX PLY ROL ROR RTI RTS
SBC SEC SED SEI STA STX STY STZ TAX TAY TRB TSB TSX TXA TXS TYA
EOS
# font data borrowed from http://sunge.awardspace.com/glcd-sd/node4.html
# Graphic LCD Font (Ascii Charaters 0x20-0x7F)
# Author: Pascal Stang, Date: 10/19/2001
FONT_DATA = <<EOS
00 00 00 00 00 00 00 5F 00 00 00 07 00 07 00 14 7F 14 7F 14 24 2A 7F 2A 12
23 13 08 64 62 36 49 55 22 50 00 05 03 00 00 00 1C 22 41 00 00 41 22 1C 00
08 2A 1C 2A 08 08 08 3E 08 08 00 50 30 00 00 08 08 08 08 08 00 60 60 00 00
20 10 08 04 02 3E 51 49 45 3E 00 42 7F 40 00 42 61 51 49 46 21 41 45 4B 31
18 14 12 7F 10 27 45 45 45 39 3C 4A 49 49 30 01 71 09 05 03 36 49 49 49 36
06 49 49 29 1E 00 36 36 00 00 00 56 36 00 00 00 08 14 22 41 14 14 14 14 14
41 22 14 08 00 02 01 51 09 06 32 49 79 41 3E 7E 11 11 11 7E 7F 49 49 49 36
3E 41 41 41 22 7F 41 41 22 1C 7F 49 49 49 41 7F 09 09 01 01 3E 41 41 51 32
7F 08 08 08 7F 00 41 7F 41 00 20 40 41 3F 01 7F 08 14 22 41 7F 40 40 40 40
7F 02 04 02 7F 7F 04 08 10 7F 3E 41 41 41 3E 7F 09 09 09 06 3E 41 51 21 5E
7F 09 19 29 46 46 49 49 49 31 01 01 7F 01 01 3F 40 40 40 3F 1F 20 40 20 1F
7F 20 18 20 7F 63 14 08 14 63 03 04 78 04 03 61 51 49 45 43 00 00 7F 41 41
02 04 08 10 20 41 41 7F 00 00 04 02 01 02 04 40 40 40 40 40 00 01 02 04 00
20 54 54 54 78 7F 48 44 44 38 38 44 44 44 20 38 44 44 48 7F 38 54 54 54 18
08 7E 09 01 02 08 14 54 54 3C 7F 08 04 04 78 00 44 7D 40 00 20 40 44 3D 00
00 7F 10 28 44 00 41 7F 40 00 7C 04 18 04 78 7C 08 04 04 78 38 44 44 44 38
7C 14 14 14 08 08 14 14 18 7C 7C 08 04 04 08 48 54 54 54 20 04 3F 44 40 20
3C 40 40 20 7C 1C 20 40 20 1C 3C 40 30 40 3C 44 28 10 28 44 0C 50 50 50 3C
44 64 54 4C 44 00 08 36 41 00 00 00 7F 00 00 00 41 36 08 00 08 08 2A 1C 08
08 1C 2A 08 08
EOS
FONT = FONT_DATA.split(/\s+/).map { |x| x.strip }.reject { |x| x.empty? }.map { |x| x.to_i(16) }
class Champ
def initialize
if ARGV.empty?
STDERR.puts 'Usage: ./champ.rb [options] <config.yaml>'
STDERR.puts 'Options:'
STDERR.puts ' --max-frames <n>'
STDERR.puts ' --no-animation'
exit(1)
end
@have_dot = `dot -V 2>&1`.strip[0, 3] == 'dot'
@files_dir = 'report-files'
FileUtils.rm_rf(@files_dir)
FileUtils.mkpath(@files_dir)
@max_frames = nil
@record_frames = true
args = ARGV.dup
while args.size > 1
item = args.shift
if item == '--max-frames'
@max_frames = args.shift.to_i
elsif item == '--no-animation'
@record_frames = false
else
STDERR.puts "Invalid argument: #{item}"
exit(1)
end
end
config_path = args.shift
@config = YAML.load(File.read(config_path))
@source_files = []
@config['load'].each_pair do |address, path|
fixed_path = path.dup
unless fixed_path[0] == '/'
fixed_path = File.absolute_path(File.join(File.dirname(config_path), fixed_path))
end
@source_files << {
:path => fixed_path,
:address => address
}
end
@highlight_color = '#fce98d'
if @config['highlight']
@highlight_color = @config['highlight']
end
@keywords = Set.new(KEYWORDS.split(/\s/).map { |x| x.strip }.reject { |x| x.empty? })
@global_variables = {}
@watches = {}
@watches_for_index = []
@label_for_pc = {}
@pc_for_label = {}
# init disk image to zeroes
@disk_image = [0] * 0x10000
# load empty disk image
load_image('empty', 0)
@source_files.each do |source_file|
@source_path = File.absolute_path(source_file[:path])
@source_line = 0
unless File.exist?(@source_path)
STDERR.puts 'Input file not found.'
exit(1)
end
if @source_path[-2, 2] == '.s'
Dir::mktmpdir do |temp_dir|
FileUtils.cp(@source_path, temp_dir)
pwd = Dir.pwd
Dir.chdir(temp_dir)
# compile the source
merlin_output = `Merlin32 -V . #{File.basename(@source_path)}`
if $?.exitstatus != 0 || File.exist?('error_output.txt')
STDERR.puts merlin_output
exit(1)
end
# collect Merlin output files
@merlin_output_path = File.absolute_path(Dir['*_Output.txt'].first)
@merlin_binary_path = @merlin_output_path.sub('_Output.txt', '')
# parse Merlin output files
# TODO: Adjust addresses!!!
parse_merlin_output(@merlin_output_path)
load_image(@merlin_binary_path, source_file[:address])
Dir.chdir(pwd)
end
else
load_image(@source_path, source_file[:address])
end
end
end
def load_image(path, address)
# puts "[#{sprintf('0x%04x', address)} - #{sprintf('0x%04x', address + File.size(path) - 1)}] - loading #{File.basename(path)}"
File::binread(path).unpack('C*').each.with_index { |b, i| @disk_image[i + address] = b }
end
def run
Dir::mktmpdir do |temp_dir|
if @config.include?('instant_rts')
@config['instant_rts'].each do |label|
@disk_image[@pc_for_label[label]] = 0x60 # insert RTS
end
end
File.binwrite(File.join(temp_dir, 'disk_image'), @disk_image.pack('C*'))
# build watch input for C program
io = StringIO.new
watch_index = 0
@watches.keys.sort.each do |pc|
@watches[pc].each do |watch0|
watch0[:components].each do |watch|
which = watch.include?(:register) ?
sprintf('reg,%s', watch[:register]) :
sprintf('mem,0x%04x', watch[:address])
io.puts sprintf('%d,0x%04x,%d,%s,%s',
watch_index, pc,
watch0[:post] ? 1 : 0,
watch[:type],
which)
end
@watches_for_index << watch0
watch_index += 1
end
end
watch_input = io.string
@watch_values = {}
@watch_called_from_subroutine = {}
start_pc = @pc_for_label[@config['entry']] || @config['entry']
Signal.trap('INT') do
puts 'Killing 65C02 profiler...'
throw :sigint
end
@frame_count = 0
cycle_count = 0
last_frame_time = 0
frame_cycles = []
@cycles_per_function = {}
@calls_per_function = {}
@call_graph_counts = {}
@max_cycle_count = 0
call_stack = []
last_call_stack_cycles = 0
Open3.popen2("./p65c02 #{@record_frames ? '' : '--no-screen'} --hide-log --start-pc #{start_pc} #{File.join(temp_dir, 'disk_image')}") do |stdin, stdout, thread|
stdin.puts watch_input.split("\n").size
stdin.puts watch_input
stdin.close
catch :sigint do
gi = nil
go = nil
gt = nil
if @record_frames
gi, go, gt = Open3.popen2("./pgif 280 192 2 > #{File.join(@files_dir, 'frames.gif')}")
gi.puts '000000'
gi.puts 'ffffff'
end
stdout.each_line do |line|
# puts "> #{line}"
parts = line.split(' ')
if parts.first == 'jsr'
pc = parts[1].to_i(16)
cycles = parts[2].to_i
@max_cycle_count = cycles
@calls_per_function[pc] ||= 0
@calls_per_function[pc] += 1
calling_function = start_pc
unless call_stack.empty?
calling_function = call_stack.last
@cycles_per_function[call_stack.last] ||= 0
@cycles_per_function[call_stack.last] += cycles - last_call_stack_cycles
end
@call_graph_counts[calling_function] ||= {}
@call_graph_counts[calling_function][pc] ||= 0
@call_graph_counts[calling_function][pc] += 1
last_call_stack_cycles = cycles
call_stack << pc
elsif parts.first == 'rts'
cycles = parts[1].to_i
@max_cycle_count = cycles
unless call_stack.empty?
@cycles_per_function[call_stack.last] ||= 0
@cycles_per_function[call_stack.last] += cycles - last_call_stack_cycles
end
last_call_stack_cycles = cycles
call_stack.pop
elsif parts.first == 'watch'
watch_index = parts[2].to_i
cycles = parts[3].to_i
@max_cycle_count = cycles
@watch_called_from_subroutine[watch_index] ||= Set.new()
@watch_called_from_subroutine[watch_index] << parts[1].to_i(16)
@watch_values[watch_index] ||= []
watch_value_tuple = parts[4, parts.size - 4].map { |x| x.to_i }
@watch_values[watch_index] << {:tuple => watch_value_tuple, :cycles => cycles}
elsif parts.first == 'screen'
@frame_count += 1
print "\rFrames: #{@frame_count}, Cycles: #{cycle_count}"
this_frame_cycles = parts[1].to_i
@max_cycle_count = this_frame_cycles
frame_cycles << this_frame_cycles
if @record_frames
data = parts[2, parts.size - 2].map { |x| x.to_i }
gi.puts 'l'
(0...192).each do |y|
(0...280).each do |x|
b = (data[y * 40 + (x / 7)] >> (x % 7)) & 1
gi.print b
end
gi.puts
end
gi.puts "d #{(this_frame_cycles - last_frame_time) / 10000}"
end
last_frame_time = this_frame_cycles
if @max_frames && @frame_count >= @max_frames
break
end
elsif parts.first == 'cycles'
cycle_count = parts[1].to_i
@max_cycle_count = cycle_count
print "\rFrames: #{@frame_count}, Cycles: #{cycle_count}"
end
end
if @record_frames
gi.close
gt.join
end
end
end
puts
@cycles_per_frame = []
(2...frame_cycles.size).each do |i|
@cycles_per_frame << frame_cycles[i] - frame_cycles[i - 1]
end
end
end
def print_c(pixels, width, height, x, y, c, color)
if c.ord >= 0x20 && c.ord < 0x80
font_index = (c.ord - 0x20) * 5
(0...5).each do |px|
(0...7).each do |py|
if ((FONT[font_index + px] >> py) & 1) == 1
pixels[(y + py) * width + (x + px)] = color
end
end
end
end
end
def print_c_r(pixels, width, height, x, y, c, color)
if c.ord >= 0x20 && c.ord < 0x80
font_index = (c.ord - 0x20) * 5
(0...5).each do |px|
(0...7).each do |py|
if ((FONT[font_index + px] >> (6 - py)) & 1) == 1
pixels[(y + px) * width + (x + py)] = color
end
end
end
end
end
def print_s(pixels, width, height, x, y, s, color)
s.each_char.with_index do |c, i|
print_c(pixels, width, height, x + i * 6, y, c, color)
end
end
def print_s_r(pixels, width, height, x, y, s, color)
s.each_char.with_index do |c, i|
print_c_r(pixels, width, height, x, y + i * 6, c, color)
end
end
def write_report
html_name = 'report.html'
print "Writing report to file://#{File.absolute_path(html_name)} ..."
File::open(html_name, 'w') do |f|
report = DATA.read
# write frames
io = StringIO.new
if @record_frames
io.puts "<img class='screenshot' src='#{File.join(@files_dir, 'frames.gif')}' /><br />"
end
if @cycles_per_frame.size > 0
io.puts '<p>'
io.puts "Frames recorded: #{@frame_count}<br />"
io.puts "Average cycles/frame: #{@cycles_per_frame.inject(0) { |sum, x| sum + x } / @cycles_per_frame.size}<br />"
io.puts '<p>'
end
report.sub!('#{screenshots}', io.string)
# write watches
io = StringIO.new
@watches_for_index.each.with_index do |watch, index|
io.puts "<div style='display: inline-block;'>"
if @watch_values.include?(index)
pixels = nil
width = nil
height = nil
histogram = {}
mask = [
[0,0,1,1,1,0,0],
[0,1,1,1,1,1,0],
[1,1,1,1,1,1,1],
[1,1,1,1,1,1,1],
[1,1,1,1,1,1,1],
[0,1,1,1,1,1,0],
[0,0,1,1,1,0,0]
]
@watch_values[index].each do |item|
normalized_item = []
if item[:tuple].size == 1
normalized_item << (item[:cycles] * 255 / @max_cycle_count).to_i
end
item[:tuple].each.with_index do |x, i|
if watch[:components][i][:type] == 's8'
x += 128
elsif watch[:components][i][:type] == 'u16'
x >>= 8
elsif watch[:components][i][:type] == 's16'
x = (x + 32768) >> 8
end
normalized_item << x
end
offset = normalized_item.reverse.inject(0) { |x, y| (x << 8) + y }
histogram[offset] ||= 0
histogram[offset] += 1
end
histogram_max = histogram.values.max
width = 276
height = 286
canvas_top = 20
canvas_left = 40
canvas_width = width - 60
canvas_height = height - 70
canvas_width = 200
canvas_height = 200
canvas_top = 10
canvas_left = 30
canvas_right = 10
canvas_bottom = 50
width = canvas_width + canvas_left + canvas_right
height = canvas_height + canvas_top + canvas_bottom
pixels = [0] * width * height
histogram.each_pair do |key, value|
x = key & 0xff;
y = ((key >> 8) & 0xff) ^ 0xff
x = (x * canvas_width) / 255 + canvas_left
y = (y * canvas_height) / 255 + canvas_top
(0..6).each do |dy|
py = y + dy - 3
if py >= 0 && py < height
(0..6).each do |dx|
next if mask[dy][dx] == 0
px = x + dx - 3
if px >= 0 && px < width
if pixels[py * width + px] == 0
pixels[py * width + px] = 1
end
end
end
end
pixels[y * width + x] = (((value.to_f / histogram_max) ** 0.5) * 63).to_i
end
end
watch[:components].each.with_index do |component, component_index|
labels = []
if component[:type] == 'u8'
labels << [0.0, '0']
labels << [64.0/255, '64']
labels << [128.0/255, '128']
labels << [192.0/255, '192']
labels << [1.0, '255']
elsif component[:type] == 's8'
labels << [0.0, '-128']
labels << [64.0/255, '-64']
labels << [128.0/255, '0']
labels << [192.0/255, '64']
labels << [1.0, '127']
elsif component[:type] == 'u16'
labels << [0.0, '0']
labels << [64.0/255, '16k']
labels << [128.0/255, '32k']
labels << [192.0/255, '48k']
labels << [1.0, '64k']
elsif component[:type] == 's16'
labels << [0.0, '-32k']
labels << [64.0/255, '-16k']
labels << [128.0/255, '0']
labels << [192.0/255, '16k']
labels << [1.0, '32k']
end
labels.each do |label|
s = label[1]
if component_index == 0 && watch[:components].size == 2
x = (label[0] * canvas_width).to_i + canvas_left
print_s(pixels, width, height,
(x - s.size * (6 * label[0])).to_i,
canvas_top + canvas_height + 7, s, 63)
(0..(canvas_height + 3)).each do |y|
pixels[(y + canvas_top) * width + x] |= 0x40
end
else
y = ((1.0 - label[0]) * canvas_height).to_i + canvas_top
print_s_r(pixels, width, height, canvas_left - 12,
(y - s.size * (6 * (1.0 - label[0]))).to_i, s, 63)
(-3..canvas_width).each do |x|
pixels[y * width + (x + canvas_left)] |= 0x40
end
end
end
(0..1).each do |offset|
component_label = component[:name]
if component_index == 0 && watch[:components].size == 2
print_s(pixels, width, height,
(canvas_left + canvas_width * 0.5 - component_label.size * 3 + offset).to_i,
canvas_top + canvas_height + 18,
component_label, 63)
else
print_s_r(pixels, width, height,
canvas_left - 22,
(canvas_top + canvas_height * 0.5 - component_label.size * 3 + offset).to_i,
component_label, 63)
end
end
end
label = "#{sprintf('0x%04x', watch[:pc])} / #{watch[:path]}:#{watch[:line_number]} (#{watch[:post] ? 'post' : 'pre'})"
print_s(pixels, width, height, width / 2 - 3 * label.size, height - 20, label, 63)
label = @watch_called_from_subroutine[index].map do |x|
"#{@label_for_pc[x] || sprintf('0x%04x', x)}+#{watch[:pc] - x}"
end.join(', ')
label = "at #{label}"
print_s(pixels, width, height, width / 2 - 3 * label.size, height - 10, label, 63)
if watch[:components].size == 1
# this watch is 1D, add X axis labels for cycles
labels = []
labels << [0.0, '0']
format_str = '%d'
divisor = 1
if @max_cycle_count >= 1e6
format_str = '%1.1fM'
divisor = 1e6
elsif @max_cycle_count > 1e3
format_str = '%1.1fk'
divisor = 1e3
end
# labels << [1.0, sprintf(format_str, (@max_cycle_count.to_f / divisor)).sub('.0', '')]
remaining_space = canvas_width - labels.inject(0) { |a, b| a + b.size * 6 }
space_per_label = sprintf(format_str, (@max_cycle_count.to_f / divisor)).sub('.0', '').size * 6 * 2
max_tween_labels = remaining_space / space_per_label
step = ((@max_cycle_count / max_tween_labels).to_f / divisor).ceil
step = 1 if step == 0 # prevent infinite loop!
x = step
while x < @max_cycle_count / divisor
labels << [x.to_f * divisor / @max_cycle_count, sprintf(format_str, x).sub('.0', '')]
x += step
end
labels.each do |label|
s = label[1]
x = (label[0] * canvas_width).to_i + canvas_left
print_s(pixels, width, height,
(x - s.size * (6 * label[0])).to_i,
canvas_top + canvas_height + 7, s, 63)
(0..(canvas_height + 3)).each do |y|
pixels[(y + canvas_top) * width + x] |= 0x40
end
end
(0..1).each do |offset|
component_label = 'cycles'
print_s(pixels, width, height,
(canvas_left + canvas_width * 0.5 - component_label.size * 3 + offset).to_i,
canvas_top + canvas_height + 18,
component_label, 63)
end
end
tr = @highlight_color[1, 2].to_i(16)
tg = @highlight_color[3, 2].to_i(16)
tb = @highlight_color[5, 2].to_i(16)
if pixels
gi, go, gt = Open3.popen2("./pgif #{width} #{height} 128")
palette = [''] * 128
(0...64).each do |i|
if (i == 0)
r = 0xff
g = 0xff
b = 0xff
else
l = (((63 - i) + 1) << 2) - 1
r = l * tr / 255
g = l * tg / 255
b = l * tb / 255
end
palette[i] = sprintf('%02x%02x%02x', r, g, b)
r = r * 4 / 5
g = g * 4 / 5
b = b * 4 / 5
palette[i + 64] = sprintf('%02x%02x%02x', r, g, b)
end
gi.puts palette.join("\n")
gi.puts 'f'
gi.puts pixels.map { |x| sprintf('%02x', x) }.join("\n")
gi.close
gt.join
watch_path = File.join(@files_dir, "watch_#{index}.gif")
File::open(watch_path, 'w') do |f|
f.write go.read
end
io.puts "<img src='#{watch_path}'></img>"
end
else
io.puts "<em>No values recorded.</em>"
end
io.puts "</div>"
end
report.sub!('#{watches}', io.string)
# write cycles
io = StringIO.new
io.puts "<table>"
io.puts "<thead>"
io.puts "<tr>"
io.puts "<th>Addr</th>"
io.puts "<th>CC</th>"
io.puts "<th>CC %</th>"
io.puts "<th>Calls</th>"
io.puts "<th>CC/Call</th>"
io.puts "<th>Label</th>"
io.puts "</tr>"
io.puts "</thead>"
cycles_sum = @cycles_per_function.values.inject(0) { |a, b| a + b }
@cycles_per_function.keys.sort do |a, b|
@cycles_per_function[b] <=> @cycles_per_function[a]
end.each do |pc|
io.puts "<tr>"
io.puts "<td>#{sprintf('0x%04x', pc)}</td>"
io.puts "<td style='text-align: right;'>#{@cycles_per_function[pc]}</td>"
io.puts "<td style='text-align: right;'>#{sprintf('%1.2f%%', @cycles_per_function[pc].to_f * 100.0 / cycles_sum)}</td>"
io.puts "<td style='text-align: right;'>#{@calls_per_function[pc]}</td>"
io.puts "<td style='text-align: right;'>#{@cycles_per_function[pc] / @calls_per_function[pc]}</td>"
io.puts "<td>#{@label_for_pc[pc]}</td>"
io.puts "</tr>"
end
io.puts "</table>"
report.sub!('#{cycles}', io.string)
if @have_dot
# render call graph
all_nodes = Set.new()
@call_graph_counts.each_pair do |key, entries|
all_nodes << key
entries.keys.each do |other_key|
all_nodes << other_key
end
end
io = StringIO.new
io.puts "digraph {"
io.puts "overlap = false;"
io.puts "rankdir = TB;"
io.puts "splines = true;"
io.puts "graph [fontname = Helvetica, fontsize = 9, size = \"14, 11\", nodesep = 0.2, ranksep = 0.3, ordering = out];"
io.puts "node [fontname = Helvetica, fontsize = 9, shape = rect, style = filled, fillcolor = \"#fce94f\" color = \"#c4a000\"];"
io.puts "edge [fontname = Helvetica, fontsize = 9, color = \"#444444\"];"
all_nodes.each do |node|
label = @label_for_pc[node] || sprintf('0x%04x', node)
label = "<B>#{label}</B>"
label += "<BR/>#{@cycles_per_function[node]}"
io.puts " _#{node} [label = <#{label}>];"
end
@call_graph_counts.each_pair do |key, entries|
entries.keys.each do |other_key|
io.puts "_#{key} -> _#{other_key} [label = \"#{entries[other_key]}x\"];"
end
end
io.puts "}"
dot = io.string
svg = Open3.popen2('dot -Tsvg') do |stdin, stdout, thread|
stdin.print(dot)
stdin.close
stdout.read
end
File::open(File.join(@files_dir, 'call_graph.svg'), 'w') do |f|
f.write(svg)
end
report.sub!('#{call_graph}', svg)
else
report.sub!('#{call_graph}', '<em>(GraphViz not installed)</em>')
end
f.puts report
end
puts ' done.'
end
def parse_asm_int(s)
if s[0] == '#'
s[1, s.size - 1].to_i
elsif s[0] == '$'
s[1, s.size - 1].to_i(16)
else
s.to_i
end
end
def parse_merlin_output(path)
@source_line = -3
File.open(path, 'r') do |f|
f.each_line do |line|
@source_line += 1
parts = line.split('|')
next unless parts.size > 2
line_type = parts[2].strip
if ['Code', 'Equivalence', 'Empty'].include?(line_type)
next if parts[6].nil?
next unless parts[6] =~ /[0-9A-F]{2}\/[0-9A-F]{4}/
pc = parts[6].split(' ').first.split('/').last.to_i(16)
code = parts[7].strip
code_parts = code.split(/\s+/)
next if code_parts.empty?
label = nil
champ_directives = []
if code.include?(';')
comment = code[code.index(';') + 1, code.size].strip
comment.scan(/@[^;][^\s]+/).each do |match|
champ_directives << match.to_s
end
end
if champ_directives.empty? && line_type == 'Equivalence'
label = code_parts[0]
pc = parse_asm_int(code_parts[2])
@label_for_pc[pc] = label
@pc_for_label[label] = pc
else
unless @keywords.include?(code_parts.first)
label = code_parts.first
code = code.sub(label, '').strip
@label_for_pc[pc] = label
@pc_for_label[label] = pc
end
end
next if champ_directives.empty?
if line_type == 'Equivalence'
if champ_directives.size != 1
fail('No more than one champ directive allowed in equivalence declaration.')
end
item = {
:address => code_parts[2].sub('$', '').to_i(16),
:type => parse_champ_directive(champ_directives.first, true)[:type]
}
@global_variables[label] = item
elsif line_type == 'Code'
@watches[pc] ||= []
champ_directives.each do |directive|
line_number = parts[1].split(' ').map { |x| x.strip }.reject { |x| x.empty? }.last.to_i
watch = parse_champ_directive(directive, false)
watch[:line_number] = line_number
watch[:pc] = pc
@watches[pc] << watch
end
end
else
if line.include?(';')
if line.split(';').last.include?('@')
fail('Champ directive not allowed here.')
end
end
end
end
end
end
def fail(message)
STDERR.puts sprintf('[%s:%d] %s', File::basename(@source_path), @source_line, message)
exit(1)
end
def parse_champ_directive(s, global_variable = false)
original_directive = s.dup
# Au Au(post) As Xs(post) RX u8 Au,Xu,Yu
result = {}
s = s[1, s.size - 1] if s[0] == '@'
result[:path] = File.basename(@source_path)
if global_variable
if ['u8', 's8', 'u16', 's16'].include?(s)
result[:type] = s
else
fail("Error parsing champ directive: #{original_directive}")
end
else
if s.include?('(post)')
result[:post] = true
s.sub!('(post)', '')
end
result[:components] = s.split(',').map do |part|
part_result = {}
if ['Au', 'As', 'Xu', 'Xs', 'Yu', 'Ys'].include?(part[0, 2])
part_result[:register] = part[0]
part_result[:name] = part[0]
part_result[:type] = part[1] + '8'
elsif @global_variables.include?(part)
part_result[:address] = @global_variables[part][:address]
part_result[:type] = @global_variables[part][:type]
part_result[:name] = part
else
fail("Error parsing champ directive: #{original_directive}")
exit(1)
end
part_result
end
if result[:components].size > 2
fail("No more than two components allowed per watch in #{original_directive}")
end
end
result
end
end
['p65c02', 'pgif'].each do |file|
unless FileUtils.uptodate?(file, ["#{file}.c"])
system("gcc -o #{file} #{file}.c")
unless $?.exitstatus == 0
exit(1)
end
end
end
champ = Champ.new
champ.run
champ.write_report
__END__
<html>
<head>
<title>champ report</title>
<style type='text/css'>
body {
background-color: #eee;
font-family: monospace;
}
.screenshot {
background-color: #222;
box-shadow: inset 0 0 10px rgba(0,0,0,1.0);
padding: 12px;
border-radius: 8px;
}
th, td {
text-align: left;
padding: 0 0.5em;
}
</style>
</head>
<body>
<div style='float: left; border-right: 1px solid #aaa;'>
<h2>Frames</h2>
#{screenshots}
<h2>Cycles</h2>
#{cycles}
</div>
<div style='margin-left: 460px; padding-top: 5px;'>
<h2>Watches</h2>
#{watches}
<h2>Call Graph</h2>
#{call_graph}
</div>
</body>
</html>