[MIPS] Add remaining parts for building tests for MIPS

tests/exception_test/exception_crash_test.c

 /*
  * Copyright (c) 2012 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.
  */
 
 #include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ skipping 57 matching lines @@
     "jmp error_exit\n"
 # elif defined(__x86_64__)
     "naclrestsp $recovery_stack - 8, %r15\n"
     "jmp error_exit\n"
 # endif
     ".popsection\n");
 
 void error_exit(void) {
   _exit(1);
 }
+#elif NACL_ARCH(NACL_BUILD_ARCH) == NACL_mips
 
+char recovery_stack[0x1000] __attribute__((aligned(8)));
+
+void bad_stack_exception_handler();

[Mark Seaborn, 2013/02/13 22:14:09]

This probably fails to compile due to -Wstrict-prototypes.  Make this match the
other definitions.

[petarj, 2013/03/05 17:50:04]

Done.

+  __asm__("bad_stack_exception_handler:\n"

[Mark Seaborn, 2013/02/13 22:14:09]

Nit: remove indentation

[petarj, 2013/03/05 17:50:04]

Done.

+    ".text\n"

[Mark Seaborn, 2013/02/13 22:14:09]

Use pushsection+popsection instead of .text

[petarj, 2013/03/05 17:50:04]

Done.

+    "lui   $t9,      %hi(recovery_stack)\n"
+    "addiu $sp, $t9, %lo(recovery_stack)\n"
+    "and   $sp, $sp, $t7\n"
+    "j error_exit\n"
+    "nop\n");
+
+void error_exit() {
+  _exit(1);
+}
 #else
 
 /* TODO(mseaborn): Implement a stack switcher, like the one above, for ARM. */
 void bad_stack_exception_handler(struct NaClExceptionContext *context) {
   _exit(1);
 }
 
 #endif
 
 
@@ skipping 134 matching lines @@
   TRY_TEST(test_bad_handler);
   TRY_TEST(test_stack_outside_sandbox);
   TRY_TEST(test_stack_in_rwdata);
   TRY_TEST(test_stack_in_rodata);
   TRY_TEST(test_stack_in_code);
   TRY_TEST(test_crash_in_syscall);
 
   fprintf(stderr, "Error: Unknown test: \"%s\"\n", argv[1]);
   return 1;
 }