diff options
Diffstat (limited to 'courgette/typedrva_unittest.cc')
| -rw-r--r-- | courgette/typedrva_unittest.cc | 73 |
1 files changed, 70 insertions, 3 deletions
diff --git a/courgette/typedrva_unittest.cc b/courgette/typedrva_unittest.cc index ea38566..1fa185f 100644 --- a/courgette/typedrva_unittest.cc +++ b/courgette/typedrva_unittest.cc @@ -15,6 +15,11 @@ class TypedRVATest : public BaseTest { courgette::RVA rva, uint32 op, courgette::RVA expected) const; + + void TestARMOPEncode(courgette::ARM_RVA arm_rva, + courgette::RVA rva, + uint32 op, + courgette::RVA expected) const; }; void TypedRVATest::TestRelativeTargetX86(courgette::RVA word, @@ -38,7 +43,7 @@ void TypedRVATest::TestRelativeTargetARM(courgette::ARM_RVA arm_rva, uint32 op, courgette::RVA expected) const { courgette::DisassemblerElf32ARM::TypedRVAARM* typed_rva - = new courgette::DisassemblerElf32ARM::TypedRVAARM(arm_rva, 0); + = new courgette::DisassemblerElf32ARM::TypedRVAARM(arm_rva, rva); uint8* op_pointer = reinterpret_cast<uint8*>(&op); EXPECT_TRUE(typed_rva->ComputeRelativeTarget(op_pointer)); @@ -47,6 +52,22 @@ void TypedRVATest::TestRelativeTargetARM(courgette::ARM_RVA arm_rva, delete typed_rva; } +void TypedRVATest::TestARMOPEncode(courgette::ARM_RVA arm_rva, + courgette::RVA rva, + uint32 op, + courgette::RVA expected) const { + uint16 c_op; + uint32 addr; + EXPECT_TRUE(courgette::DisassemblerElf32ARM::Compress(arm_rva, op, rva, + &c_op, &addr)); + EXPECT_EQ(rva + addr, expected); + + uint32 new_op; + EXPECT_TRUE(courgette::DisassemblerElf32ARM::Decompress(arm_rva, c_op, addr, + &new_op)); + EXPECT_EQ(new_op, op); +} + TEST_F(TypedRVATest, TestX86) { TestRelativeTargetX86(0x0, 0x4); } @@ -91,6 +112,52 @@ TEST_F(TypedRVATest, TestARM_OFF24_FORWARDS) { } TEST_F(TypedRVATest, TestARM_OFF24_BACKWARDS) { - // TODO(paulgazz): find a real-world example of an ARM branch op - // that jumps backwards. + // TODO(paulgazz): find a real-world example of an non-thumb ARM + // branch op that jumps backwards. +} + +TEST_F(TypedRVATest, TestARM_OFF25_FORWARDS) { + TestRelativeTargetARM(courgette::ARM_OFF25, 0x2bf4, 0xfe06f008, 0xb804); + TestRelativeTargetARM(courgette::ARM_OFF25, 0x2c58, 0xfeacf005, 0x89b4); +} + +TEST_F(TypedRVATest, TestARM_OFF25_BACKWARDS) { + TestRelativeTargetARM(courgette::ARM_OFF25, 0x2bd2, 0xeb9ef7ff, 0x2310); + TestRelativeTargetARM(courgette::ARM_OFF25, 0x2bd8, 0xeb8ef7ff, 0x22f8); + TestRelativeTargetARM(courgette::ARM_OFF25, 0x2c3e, 0xea2ef7ff, 0x209c); +} + +TEST_F(TypedRVATest, TestARM_OFF21_FORWARDS) { + TestRelativeTargetARM(courgette::ARM_OFF21, 0x2bc6, 0x84c7f000, 0x3558); + TestRelativeTargetARM(courgette::ARM_OFF21, 0x2bde, 0x871df000, 0x3a1c); + TestRelativeTargetARM(courgette::ARM_OFF21, 0x2c5e, 0x86c1f2c0, 0x39e4); +} + +TEST_F(TypedRVATest, TestARM_OFF21_BACKWARDS) { + TestRelativeTargetARM(courgette::ARM_OFF21, 0x67e4, 0xaee9f43f, 0x65ba); + TestRelativeTargetARM(courgette::ARM_OFF21, 0x67ee, 0xaee4f47f, 0x65ba); +} + +TEST_F(TypedRVATest, TestARMOPEncode) { + TestARMOPEncode(courgette::ARM_OFF8, 0x2bcc, 0xd00e, 0x2bec); + TestARMOPEncode(courgette::ARM_OFF8, 0x3752, 0xd910, 0x3776); + TestARMOPEncode(courgette::ARM_OFF8, 0x3774, 0xd1f6, 0x3764); + TestARMOPEncode(courgette::ARM_OFF11, 0x0, 0x0, 0x4); + TestARMOPEncode(courgette::ARM_OFF11, 0x2bea, 0xe005, 0x2bf8); + TestARMOPEncode(courgette::ARM_OFF11, 0x2f80, 0xe6cd, 0x2d1e); + TestARMOPEncode(courgette::ARM_OFF11, 0x3610, 0xe56a, 0x30e8); + TestARMOPEncode(courgette::ARM_OFF24, 0x0, 0x0, 0x8); + TestARMOPEncode(courgette::ARM_OFF24, 0x2384, 0x4af3613a, 0xffcda874); + TestARMOPEncode(courgette::ARM_OFF24, 0x23bc, 0x6af961b9, 0xffe5aaa8); + TestARMOPEncode(courgette::ARM_OFF24, 0x23d4, 0x2b006823, 0x1c468); + TestARMOPEncode(courgette::ARM_OFF25, 0x2bf4, 0xf008fe06, 0xb804); + TestARMOPEncode(courgette::ARM_OFF25, 0x2c58, 0xf005feac, 0x89b4); + TestARMOPEncode(courgette::ARM_OFF25, 0x2bd2, 0xf7ffeb9e, 0x2310); + TestARMOPEncode(courgette::ARM_OFF25, 0x2bd8, 0xf7ffeb8e, 0x22f8); + TestARMOPEncode(courgette::ARM_OFF25, 0x2c3e, 0xf7ffea2e, 0x209c); + TestARMOPEncode(courgette::ARM_OFF21, 0x2bc6, 0xf00084c7, 0x3558); + TestARMOPEncode(courgette::ARM_OFF21, 0x2bde, 0xf000871d, 0x3a1c); + TestARMOPEncode(courgette::ARM_OFF21, 0x2c5e, 0xf2c086c1, 0x39e4); + TestARMOPEncode(courgette::ARM_OFF21, 0x67e4, 0xf43faee9, 0x65ba); + TestARMOPEncode(courgette::ARM_OFF21, 0x67ee, 0xf47faee4, 0x65ba); } |