diff options
| author | David Srbecky <dsrbecky@google.com> | 2015-04-12 14:58:39 +0100 |
|---|---|---|
| committer | David Srbecky <dsrbecky@google.com> | 2015-04-13 21:40:58 +0100 |
| commit | c2055cf5d764e7f861818121afec9c7d88465af5 (patch) | |
| tree | b05a3d31ed3948aff8ad411be7245048d84198b0 | |
| parent | 2f6cdb01f74772c1c521a125776ef57ea3c73d43 (diff) | |
| download | art-c2055cf5d764e7f861818121afec9c7d88465af5.tar.gz art-c2055cf5d764e7f861818121afec9c7d88465af5.tar.bz2 art-c2055cf5d764e7f861818121afec9c7d88465af5.zip | |
Add test for x86-64 DWARF register mapping.
This is the only mapping which is non-trivial.
Change-Id: I59be4b6ffb0ffbbf00ddb72e77e80cfb9e89d9f2
| -rw-r--r-- | compiler/dwarf/dwarf_test.cc | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/compiler/dwarf/dwarf_test.cc b/compiler/dwarf/dwarf_test.cc index fa12d7e508..98f691a7a1 100644 --- a/compiler/dwarf/dwarf_test.cc +++ b/compiler/dwarf/dwarf_test.cc @@ -144,6 +144,40 @@ TEST_F(DwarfTest, DebugFrame64) { CheckObjdumpOutput(is64bit, "-W"); } +// Test x86_64 register mapping. It is the only non-trivial architecture. +// ARM, X86, and Mips have: dwarf_reg = art_reg + constant. +TEST_F(DwarfTest, x86_64_RegisterMapping) { + constexpr bool is64bit = true; + DebugFrameOpCodeWriter<> opcodes; + for (int i = 0; i < 16; i++) { + opcodes.RelOffset(Reg::X86_64Core(i), 0); + } + DW_CHECK("FDE"); + DW_CHECK_NEXT("DW_CFA_offset: r0 (rax)"); + DW_CHECK_NEXT("DW_CFA_offset: r2 (rcx)"); + DW_CHECK_NEXT("DW_CFA_offset: r1 (rdx)"); + DW_CHECK_NEXT("DW_CFA_offset: r3 (rbx)"); + DW_CHECK_NEXT("DW_CFA_offset: r7 (rsp)"); + DW_CHECK_NEXT("DW_CFA_offset: r6 (rbp)"); + DW_CHECK_NEXT("DW_CFA_offset: r4 (rsi)"); + DW_CHECK_NEXT("DW_CFA_offset: r5 (rdi)"); + DW_CHECK_NEXT("DW_CFA_offset: r8 (r8)"); + DW_CHECK_NEXT("DW_CFA_offset: r9 (r9)"); + DW_CHECK_NEXT("DW_CFA_offset: r10 (r10)"); + DW_CHECK_NEXT("DW_CFA_offset: r11 (r11)"); + DW_CHECK_NEXT("DW_CFA_offset: r12 (r12)"); + DW_CHECK_NEXT("DW_CFA_offset: r13 (r13)"); + DW_CHECK_NEXT("DW_CFA_offset: r14 (r14)"); + DW_CHECK_NEXT("DW_CFA_offset: r15 (r15)"); + DebugFrameOpCodeWriter<> initial_opcodes; + WriteEhFrameCIE(is64bit, Reg(16), initial_opcodes, &eh_frame_data_); + std::vector<uintptr_t> eh_frame_patches; + WriteEhFrameFDE(is64bit, 0, 0x0100000000000000, 0x0200000000000000, + opcodes.data(), &eh_frame_data_, &eh_frame_patches); + + CheckObjdumpOutput(is64bit, "-W"); +} + TEST_F(DwarfTest, DebugLine) { const bool is64bit = false; const int code_factor_bits = 1; |