MinSFI: Add loader

tests/minsfi/nacl.scons

+# Copyright (c) 2014 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('env')
+
+trusted_env = env['TRUSTED_ENV']

[jvoung (off chromium), 2014/09/05 00:32:00]

You might have to test that trusted_env is not some sort of null first. A bunch
of nacl.scons files check if 'TRUSTED_ENV' not in env: bail.

I don't remember exactly when that happens, but it might show up in the trybots
(unless it's for some obscure configuration like coverage tests).

[dbrazdil, 2014/09/05 19:41:38]

Done.

+if not env.Bit('bitcode') or not env.Bit('minsfi') or \
+   not trusted_env.Bit('build_x86') or trusted_env.Bit('windows'):
+  Return()
+
+def CompileSandbox(name, ptrsize=0):
+  bc_env = env.Clone()
+  bc_env.Replace(CCFLAGS=[], LINKFLAGS=[])
+  bc_env.Append(EXTRA_LIBS=['${NONIRT_LIBS}'])
+
+  name_trusted = '%s_trusted' % name
+  name_untrusted = '%s_untrusted' % name
+  srcs_trusted = [ '%s.c' % name_trusted ]
+  srcs_untrusted = [ '%s.c' % name_untrusted ]
+
+  if ptrsize == 0:
+    ptrsize = 24 if trusted_env.Bit('build_x86_32') else 32
+
+  bitcode_file = bc_env.ComponentObject(name_untrusted, srcs_untrusted)
+
+  opt_ptrsize = '-minsfi-ptrsize=%d ' % ptrsize
+  opt_result = env.Command(
+      name + '.minsfi.bc', [bitcode_file],
+      '${PNACLOPT} '
+      '-minsfi-strip-tls '
+      '-pnacl-abi-simplify-preopt '
+      '-pnacl-abi-simplify-postopt '
+      '-minsfi '
+      + opt_ptrsize +
+      '${SOURCES} -o ${TARGET}')
+
+  llc_result = env.Command(
+      name + '.minsfi.o', [opt_result],
+      '${LLC} '
+      '${SOURCES} -o ${TARGET}')
+
+  main = trusted_env.ComponentObject(name_trusted, srcs_trusted)
+  prog = trusted_env.ComponentProgram(name , [llc_result, main],
+                                      EXTRA_LIBS=['minsfi_runtime'])
+
+  node = env.CommandTest('%s.out' % name, [prog])
+  env.AddNodeToTestSuite(node,
+                         ['small_tests', 'toolchain_tests', 'nonpexe_tests'],
+                         'run_minsfi_' + name + '_test')
+
+CompileSandbox('init')