stop building/testing old x86 validator.

src/trusted/validator/x86/decoder/build.scons

-# -*- python -*-
-# Copyright (c) 2011 The Native Client Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-
-import os
-import sys
-Import('env')
-
-#
-#
-# Build x86 only pieces
-#
-#
-if not env.Bit('target_x86'): Return()
-
-# TODO(bradchen): eliminate need for the following line
-env.FilterOut(CCFLAGS=['-Wextra', '-Wswitch-enum', '-Wsign-compare'])
-
-#----------- FILE GENERATION --------------------------
-#
-# Generates source files needed by the decoder.
-
-generate = False
-if 'valgen' in COMMAND_LINE_TARGETS: generate = True
-if 'valclean' in COMMAND_LINE_TARGETS: generate = True
-
-#
-# Only generate/clean these files if the alias is specified on the
-# command line.  We conditionally add these pieces to scons to prevent
-# a normal invocation from accidentally regenerating the files.
-#
-if generate:
-  #
-  # valgen - Table Generator
-  #
-  # We create an alias 'valgen' which we use to generate the various
-  # headers used by the x86 validator.  This target will generate
-  # *.h, *_impl.h from the *.enum files.
-  #
-
-  # Define environment for generating files.
-  gen_env = env.Clone()
-  gen_env.Append(CCFLAGS=['-DNACL_TRUSTED_BUT_NOT_TCB'])
-
-  # Get the directory in which we will generate checking in files.
-  header_prefix = env.subst('${MAIN_DIR}')
-  if header_prefix.endswith('/native_client'):
-    header_prefix = header_prefix[0:header_prefix.rfind('native_client')]
-  elif header_prefix.endswith('/native_client/'):
-    header_prefix = header_prefix[0:header_prefix.rfind('native_client/')]
-  decoder_src_dir = '$MAIN_DIR/src/trusted/validator/x86/decoder'
-
-  #------------------------------------------------------
-  # Generate the needed header files for enumerated types.
-  # Note that we use the same directory for all platforms.
-
-  # Define enumerate type files, and the options to process.
-  enum_headers = []
-  ncv_enum_pairs = {
-      'ncopcode_prefix': '--name=NaClInstPrefix --add_size=1',
-      'ncopcode_insts':
-        '--name=NaClMnemonic --add_size=1 --sort=1 --name_prefix=Inst',
-      'ncopcode_opcode_flags': '--name=NaClIFlag --add_size=1',
-      'ncopcode_operand_kind': '--name=NaClOpKind --add_size=1',
-      'ncopcode_operand_flag': '--name=NaClOpFlag --add_size=1',
-      'ncop_expr_node_flag': '--name=NaClExpFlag --add_size=1',
-      'ncop_expr_node_kind': '--name=NaClExpKind --add_size=1',
-  }
-
-  # Now code generate the enumerated types.
-  for ncv_enum in ncv_enum_pairs:
-    ncv_options = ncv_enum_pairs[ncv_enum]
-    ncv_enum_file = gen_env.File(ncv_enum + '.enum')
-    ncv_header_1 = gen_env.File('%s/gen/%s.h' % (decoder_src_dir, ncv_enum))
-    ncv_header_2 = gen_env.File('%s/gen/%s_impl.h' % (decoder_src_dir, ncv_enum))
-
-    cmd_line = (
-        '${PYTHON} %s --header="%s" --source="%s" --path_prefix="%s" %s %s' %
-        (gen_env.File('%s/../../../validator_x86/enum_gen.py' % decoder_src_dir),
-         ncv_header_1, ncv_header_2, header_prefix,
-         ncv_options, ncv_enum_file))
-    gen_env.Command([ncv_header_1, ncv_header_2], ncv_enum_file, cmd_line)
-    enum_headers.append(ncv_header_1)
-    enum_headers.append(ncv_header_2)
-
-  gen_list = enum_headers
-  gen_env.AlwaysBuild(
-      gen_env.Alias('valgen', gen_list))
-  gen_env.AlwaysBuild(
-      gen_env.Alias('valclean', action=[Delete(x) for x in gen_list]))
-
-#---------- TESTS --------------------------------------
-#
-# Create environment for command-line tools and testing, rather than
-# part of the TCB. Then define compile-time flag that communicates
-# that we are compiling in the test environment (rather than for the TCB).
-test_env = env.Clone()
-test_env.Append(CCFLAGS=['-DNACL_TRUSTED_BUT_NOT_TCB'])
-
-#---------- COMPONENTS BUILT ---------------------------
-
-# TODO(karl): merge nc_opcode_modeling and nc_decoder libraries.
-# Instruction modeling for the decoder.
-env.ComponentLibrary(env.NaClTargetArchSuffix('nc_opcode_modeling'),
-                     ['ncopcode_desc.c',
-                      ])
-
-# Verbose routines for instruction modeling for the decoder.
-env.ComponentLibrary(env.NaClTargetArchSuffix('nc_opcode_modeling_verbose'),
-                     ['ncopcode_desc_verbose.c',
-                      ])
-
-# Decoder library.
-env.ComponentLibrary(env.NaClTargetArchSuffix('nc_decoder'),
-                     ['nc_inst_iter.c',
-                      'nc_inst_state.c',
-                      'nc_inst_trans.c',
-                      'ncop_exps.c',
-                      ])
-
-# Full decoder tables.
-env.ComponentLibrary(env.NaClTargetArchSuffix('ncdis_decode_tables'),
-                     ['ncdis_decode_tables.c'])
-
-#---------- UNIT TESTS ---------------------------------
-
-# Create an environment to run unit tests using Gtest.
-gtest_env = env.MakeGTestEnv()
-
-# List of (unit) test file prefixes to run unit tests on.
-gtest_sources = ['nc_inst_state']
-
-for source in gtest_sources:
-  test_exe = gtest_env.ComponentProgram(
-    'x86_decoder_tests_' + source,
-    [source+'_tests.cc'],
-    EXTRA_LIBS=[# Note: The following forces the inclusion
-                # of kNaClDecoderTables
-                gtest_env.NaClTargetArchSuffix('ncval_seg_sfi'),
-                gtest_env.NaClTargetArchSuffix('nc_decoder'),
-                gtest_env.NaClTargetArchSuffix('ncdis_decode_tables'),
-                gtest_env.NaClTargetArchSuffix('nc_opcode_modeling_verbose'),
-                ])
-  test_node = gtest_env.CommandTest(
-      source+'Tests.out',
-      command=[test_exe])
-  gtest_env.AddNodeToTestSuite(test_node, ['small_tests'],
-                               'run_x86_validator_tests')