1 files changed, 118 insertions, 0 deletions
diff --git a/src/jumper/build_stages.py b/src/jumper/build_stages.py
new file mode 100755
index 0000000000..22d8e37ae1
--- /dev/null
+++ b/src/jumper/build_stages.py
@@ -0,0 +1,118 @@
+#!/usr/bin/env python2.7
+#
+# Copyright 2017 Google Inc.
+#
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import re
+import subprocess
+import sys
+
+sys.stdout = open('src/jumper/SkJumper_generated.h', 'w')
+
+ndk = '/Users/mtklein/brew/opt/android-ndk/'
+objdump = 'gobjdump'
+
+#ndk = '/home/mtklein/ndk/'
+#objdump = '/home/mtklein/binutils-2.27/binutils/objdump'
+
+cflags = '-std=c++11 -Os -fomit-frame-pointer -DJUMPER'.split()
+
+sse2 = '-mno-red-zone -msse2 -mno-sse3 -mno-ssse3 -mno-sse4.1'.split()
+subprocess.check_call(['clang++'] + cflags + sse2 +
+                      ['-c', 'src/jumper/SkJumper_stages.cpp'] +
+                      ['-o', 'sse2.o'])
+
+sse41 = '-mno-red-zone -msse4.1'.split()
+subprocess.check_call(['clang++'] + cflags + sse41 +
+                      ['-c', 'src/jumper/SkJumper_stages.cpp'] +
+                      ['-o', 'sse41.o'])
+
+hsw = '-mno-red-zone -mavx2 -mfma -mf16c'.split()
+subprocess.check_call(['clang++'] + cflags + hsw +
+                      ['-c', 'src/jumper/SkJumper_stages.cpp'] +
+                      ['-o', 'hsw.o'])
+
+aarch64 = [
+    '--target=aarch64-linux-android',
+    '--sysroot=' + ndk + 'platforms/android-21/arch-arm64',
+]
+subprocess.check_call(['clang++'] + cflags + aarch64 +
+                      ['-c', 'src/jumper/SkJumper_stages.cpp'] +
+                      ['-o', 'aarch64.o'])
+
+armv7 = [
+    '--target=armv7a-linux-android',
+    '--sysroot=' + ndk + 'platforms/android-18/arch-arm',
+    '-mfpu=neon-vfpv4',
+    '-mfloat-abi=hard',
+]
+subprocess.check_call(['clang++'] + cflags + armv7 +
+                      ['-c', 'src/jumper/SkJumper_stages.cpp'] +
+                      ['-o', 'armv7.o'])
+
+def parse_object_file(dot_o, array_type, target=None):
+  prefix = dot_o.replace('.o', '_')
+  cmd = [ objdump, '-d', '--insn-width=8', dot_o]
+  if target:
+    cmd += ['--target', target]
+
+  active = False
+  for line in subprocess.check_output(cmd).split('\n'):
+    line = line.strip()
+
+    if line.startswith(dot_o) or line.startswith('Disassembly'):
+      continue
+
+    if not line:
+      if active:
+        print '};'
+        active = False
+      continue
+
+    # E.g. 00000000000003a4 <_load_f16>:
+    m = re.match('''[0-9a-f]+ <_?(.*)>:''', line)
+    if m:
+      print 'static const', array_type, prefix + m.group(1) + '[] = {'
+      active = True
+      continue
+
+    columns = line.split('\t')
+    code = columns[1]
+    if len(columns) >= 4:
+      inst = columns[2]
+      args = columns[3]
+    else:
+      inst, args = columns[2], ''
+      if ' ' in columns[2]:
+        inst, args = columns[2].split(' ', 1)
+    code, inst, args = code.strip(), inst.strip(), args.strip()
+
+    # We can't work with code that uses ip-relative addressing.
+    for arg in args:
+      assert 'rip' not in arg  # TODO: detect on aarch64 too
+
+    hexed = ''.join('0x'+x+',' for x in code.split(' '))
+    print '    ' + hexed + ' '*(44-len(hexed)) + \
+          '//  ' + inst  + (' '*(14-len(inst)) + args if args else '')
+
+print '''/*
+ * Copyright 2017 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkJumper_generated_DEFINED
+#define SkJumper_generated_DEFINED
+
+// This file is generated semi-automatically with this command:
+//   $ src/jumper/build_stages.py
+'''
+parse_object_file('aarch64.o', 'unsigned int')
+parse_object_file('armv7.o',   'unsigned int', target='elf32-littlearm')
+parse_object_file('hsw.o',     'unsigned char')
+parse_object_file('sse41.o',   'unsigned char')
+parse_object_file('sse2.o',    'unsigned char')
+print '#endif//SkJumper_generated_DEFINED'