diff options
Diffstat (limited to 'libunwindstack/tests/DwarfSectionImplTest.cpp')
| -rw-r--r-- | libunwindstack/tests/DwarfSectionImplTest.cpp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/libunwindstack/tests/DwarfSectionImplTest.cpp b/libunwindstack/tests/DwarfSectionImplTest.cpp index d57cd339d..a08a8d070 100644 --- a/libunwindstack/tests/DwarfSectionImplTest.cpp +++ b/libunwindstack/tests/DwarfSectionImplTest.cpp @@ -492,6 +492,40 @@ TYPED_TEST_P(DwarfSectionImplTest, Eval_reg_val_expr) { EXPECT_EQ(0x80000000U, regs.pc()); } +TYPED_TEST_P(DwarfSectionImplTest, Eval_pseudo_register_invalid) { + DwarfCie cie{.return_address_register = 5}; + RegsImplFake<TypeParam> regs(10); + regs.set_pseudo_reg(11); + dwarf_loc_regs_t loc_regs; + + loc_regs[CFA_REG] = DwarfLocation{DWARF_LOCATION_REGISTER, {8, 0}}; + loc_regs[1] = DwarfLocation{DWARF_LOCATION_PSEUDO_REGISTER, {20, 0}}; + bool finished; + ASSERT_FALSE(this->section_->Eval(&cie, &this->memory_, loc_regs, ®s, &finished)); + EXPECT_EQ(DWARF_ERROR_ILLEGAL_VALUE, this->section_->LastErrorCode()); + + loc_regs.clear(); + loc_regs[CFA_REG] = DwarfLocation{DWARF_LOCATION_REGISTER, {8, 0}}; + loc_regs[12] = DwarfLocation{DWARF_LOCATION_PSEUDO_REGISTER, {20, 0}}; + ASSERT_FALSE(this->section_->Eval(&cie, &this->memory_, loc_regs, ®s, &finished)); + EXPECT_EQ(DWARF_ERROR_ILLEGAL_VALUE, this->section_->LastErrorCode()); +} + +TYPED_TEST_P(DwarfSectionImplTest, Eval_pseudo_register) { + DwarfCie cie{.return_address_register = 5}; + RegsImplFake<TypeParam> regs(10); + regs.set_pseudo_reg(11); + dwarf_loc_regs_t loc_regs; + + loc_regs[CFA_REG] = DwarfLocation{DWARF_LOCATION_REGISTER, {8, 0}}; + loc_regs[11] = DwarfLocation{DWARF_LOCATION_PSEUDO_REGISTER, {20, 0}}; + bool finished; + ASSERT_TRUE(this->section_->Eval(&cie, &this->memory_, loc_regs, ®s, &finished)); + uint64_t pseudo_value = 0; + ASSERT_TRUE(regs.GetPseudoRegister(11, &pseudo_value)); + EXPECT_EQ(20U, pseudo_value); +} + TYPED_TEST_P(DwarfSectionImplTest, GetCfaLocationInfo_cie_not_cached) { DwarfCie cie{}; cie.cfa_instructions_offset = 0x3000; @@ -581,6 +615,7 @@ REGISTER_TYPED_TEST_SUITE_P(DwarfSectionImplTest, GetCieFromOffset_fail_should_n Eval_invalid_register, Eval_different_reg_locations, Eval_return_address_undefined, Eval_pc_zero, Eval_return_address, Eval_ignore_large_reg_loc, Eval_reg_expr, Eval_reg_val_expr, + Eval_pseudo_register_invalid, Eval_pseudo_register, GetCfaLocationInfo_cie_not_cached, GetCfaLocationInfo_cie_cached, Log); typedef ::testing::Types<uint32_t, uint64_t> DwarfSectionImplTestTypes; |