[MIPS] Add thread-pointer to data addressing register list.

src/trusted/validator_mips/validator_tests.cc

Index: src/trusted/validator_mips/validator_tests.cc
diff --git a/src/trusted/validator_mips/validator_tests.cc b/src/trusted/validator_mips/validator_tests.cc
index 6eed457579c0ab518f9302bdab823c26bf31fc48..6fd3fa855929b908132551ebc03781d1cb587b9b 100644
--- a/src/trusted/validator_mips/validator_tests.cc
+++ b/src/trusted/validator_mips/validator_tests.cc
@@ -45,7 +45,7 @@ using nacl_mips_val::ProblemSink;
 using nacl_mips_val::CodeSegment;
 using nacl_mips_dec::kInstrSize;
 using nacl_mips_dec::kNop;
-using nacl_mips_dec::kRegisterStack;
+using nacl_mips_dec::kRegListDataAddr;
 using nacl_mips_dec::kRegListReserved;
 
 namespace {
@@ -145,19 +145,21 @@ class ValidatorTests : public ::testing::Test {
 TEST_F(ValidatorTests, RecognizesDataAddressRegisters) {
   /*
    * Note that the logic below needs to be kept in sync with the definition
-   * of kAbiDataAddrRegisters at the top of this file.
+   * of kRegListDataAddr at the top of this file.

[Mark Seaborn, 2013/01/15 16:51:36]

Update comment?  kRegListDataAddr isn't defined at the top of the file.

[petarj, 2013/01/22 22:57:30]

Done.

    *
    * This test is pretty trivial -- we can exercise the data_address_register
    * functionality more deeply with pattern tests below.
    */
   for (int i = 0; i < 31; i++) {
     Register reg(i);
-    if (reg.Equals(nacl_mips_dec::kRegisterStack)) {
+    if (reg.Equals(nacl_mips_dec::kRegisterStack)
+        || reg.Equals(nacl_mips_dec::kRegisterTls)) {
       EXPECT_TRUE(_validator.IsDataAddressRegister(reg))
-          << "Stack pointer must be a data address register.";
+          << "Stack pointer and TLS register must be data address registers.";
     } else {
       EXPECT_FALSE(_validator.IsDataAddressRegister(reg))
-          << "Only the stack pointer must be a data address register.";
+          << "Only the stack pointer and TLS register are data "
+             "address registers.";
     }
   }
 }
@@ -405,7 +407,7 @@ ValidatorTests::ValidatorTests()
                kCodeRegionSize,
                kDataRegionSize,
                kRegListReserved,
-               RegisterList(kRegisterStack)) {}
+               kRegListDataAddr) {}
 
 bool ValidatorTests::Validate(const mips_inst *pattern,
                               size_t inst_count,