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-rw-r--r--compiler/dwarf/dwarf_test.cc232
1 files changed, 0 insertions, 232 deletions
diff --git a/compiler/dwarf/dwarf_test.cc b/compiler/dwarf/dwarf_test.cc
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--- a/compiler/dwarf/dwarf_test.cc
+++ /dev/null
@@ -1,232 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "dwarf_test.h"
-
-#include "dwarf/debug_frame_opcode_writer.h"
-#include "dwarf/debug_frame_writer.h"
-#include "dwarf/debug_line_opcode_writer.h"
-#include "dwarf/debug_line_writer.h"
-#include "gtest/gtest.h"
-
-namespace art {
-namespace dwarf {
-
-// Run the tests only on host since we need objdump.
-#ifndef HAVE_ANDROID_OS
-
-TEST_F(DwarfTest, DebugFrame) {
- const bool is64bit = false;
-
- // Pick offset value which would catch Uleb vs Sleb errors.
- const int offset = 40000;
- ASSERT_EQ(UnsignedLeb128Size(offset / 4), 2u);
- ASSERT_EQ(SignedLeb128Size(offset / 4), 3u);
- DW_CHECK("Data alignment factor: -4");
- const Reg reg(6);
-
- // Test the opcodes in the order mentioned in the spec.
- // There are usually several encoding variations of each opcode.
- DebugFrameOpCodeWriter<> opcodes;
- DW_CHECK("FDE");
- int pc = 0;
- for (int i : {0, 1, 0x3F, 0x40, 0xFF, 0x100, 0xFFFF, 0x10000}) {
- pc += i;
- opcodes.AdvancePC(pc);
- }
- DW_CHECK_NEXT("DW_CFA_advance_loc: 1 to 01000001");
- DW_CHECK_NEXT("DW_CFA_advance_loc: 63 to 01000040");
- DW_CHECK_NEXT("DW_CFA_advance_loc1: 64 to 01000080");
- DW_CHECK_NEXT("DW_CFA_advance_loc1: 255 to 0100017f");
- DW_CHECK_NEXT("DW_CFA_advance_loc2: 256 to 0100027f");
- DW_CHECK_NEXT("DW_CFA_advance_loc2: 65535 to 0101027e");
- DW_CHECK_NEXT("DW_CFA_advance_loc4: 65536 to 0102027e");
- opcodes.DefCFA(reg, offset);
- DW_CHECK_NEXT("DW_CFA_def_cfa: r6 (esi) ofs 40000");
- opcodes.DefCFA(reg, -offset);
- DW_CHECK_NEXT("DW_CFA_def_cfa_sf: r6 (esi) ofs -40000");
- opcodes.DefCFARegister(reg);
- DW_CHECK_NEXT("DW_CFA_def_cfa_register: r6 (esi)");
- opcodes.DefCFAOffset(offset);
- DW_CHECK_NEXT("DW_CFA_def_cfa_offset: 40000");
- opcodes.DefCFAOffset(-offset);
- DW_CHECK_NEXT("DW_CFA_def_cfa_offset_sf: -40000");
- uint8_t expr[] = { 0 };
- opcodes.DefCFAExpression(expr, arraysize(expr));
- DW_CHECK_NEXT("DW_CFA_def_cfa_expression");
- opcodes.Undefined(reg);
- DW_CHECK_NEXT("DW_CFA_undefined: r6 (esi)");
- opcodes.SameValue(reg);
- DW_CHECK_NEXT("DW_CFA_same_value: r6 (esi)");
- opcodes.Offset(Reg(0x3F), -offset);
- DW_CHECK_NEXT("DW_CFA_offset: r63 at cfa-40000");
- opcodes.Offset(Reg(0x40), -offset);
- DW_CHECK_NEXT("DW_CFA_offset_extended: r64 at cfa-40000");
- opcodes.Offset(Reg(0x40), offset);
- DW_CHECK_NEXT("DW_CFA_offset_extended_sf: r64 at cfa+40000");
- opcodes.ValOffset(reg, -offset);
- DW_CHECK_NEXT("DW_CFA_val_offset: r6 (esi) at cfa-40000");
- opcodes.ValOffset(reg, offset);
- DW_CHECK_NEXT("DW_CFA_val_offset_sf: r6 (esi) at cfa+40000");
- opcodes.Register(reg, Reg(1));
- DW_CHECK_NEXT("DW_CFA_register: r6 (esi) in r1 (ecx)");
- opcodes.Expression(reg, expr, arraysize(expr));
- DW_CHECK_NEXT("DW_CFA_expression: r6 (esi)");
- opcodes.ValExpression(reg, expr, arraysize(expr));
- DW_CHECK_NEXT("DW_CFA_val_expression: r6 (esi)");
- // Bad register likely means that it does not exist on x86,
- // but we want to test high register numbers anyway.
- opcodes.Restore(Reg(0x3F));
- DW_CHECK_NEXT("DW_CFA_restore: bad register: r63");
- opcodes.Restore(Reg(0x40));
- DW_CHECK_NEXT("DW_CFA_restore_extended: bad register: r64");
- opcodes.Restore(reg);
- DW_CHECK_NEXT("DW_CFA_restore: r6 (esi)");
- opcodes.RememberState();
- DW_CHECK_NEXT("DW_CFA_remember_state");
- opcodes.RestoreState();
- DW_CHECK_NEXT("DW_CFA_restore_state");
- opcodes.Nop();
- DW_CHECK_NEXT("DW_CFA_nop");
-
- // Also test helpers.
- opcodes.DefCFA(Reg(4), 100); // ESP
- DW_CHECK_NEXT("DW_CFA_def_cfa: r4 (esp) ofs 100");
- opcodes.AdjustCFAOffset(8);
- DW_CHECK_NEXT("DW_CFA_def_cfa_offset: 108");
- opcodes.RelOffset(Reg(0), 0); // push R0
- DW_CHECK_NEXT("DW_CFA_offset: r0 (eax) at cfa-108");
- opcodes.RelOffset(Reg(1), 4); // push R1
- DW_CHECK_NEXT("DW_CFA_offset: r1 (ecx) at cfa-104");
- opcodes.RelOffsetForMany(Reg(2), 8, 1 | (1 << 3), 4); // push R2 and R5
- DW_CHECK_NEXT("DW_CFA_offset: r2 (edx) at cfa-100");
- DW_CHECK_NEXT("DW_CFA_offset: r5 (ebp) at cfa-96");
- opcodes.RestoreMany(Reg(2), 1 | (1 << 3)); // pop R2 and R5
- DW_CHECK_NEXT("DW_CFA_restore: r2 (edx)");
- DW_CHECK_NEXT("DW_CFA_restore: r5 (ebp)");
-
- DebugFrameWriter<> eh_frame(&eh_frame_data_, is64bit);
- DebugFrameOpCodeWriter<> initial_opcodes;
- eh_frame.WriteCIE(Reg(is64bit ? 16 : 8), // Return address register.
- initial_opcodes); // Initial opcodes.
- eh_frame.WriteFDE(0x01000000, 0x01000000,
- opcodes.data()->data(), opcodes.data()->size());
- CheckObjdumpOutput(is64bit, "-W");
-}
-
-TEST_F(DwarfTest, DebugFrame64) {
- const bool is64bit = true;
- DebugFrameWriter<> eh_frame(&eh_frame_data_, is64bit);
- DebugFrameOpCodeWriter<> no_opcodes;
- eh_frame.WriteCIE(Reg(16), no_opcodes);
- eh_frame.WriteFDE(0x0100000000000000, 0x0200000000000000,
- no_opcodes.data()->data(), no_opcodes.data()->size());
- DW_CHECK("FDE cie=00000000 pc=0100000000000000..0300000000000000");
- CheckObjdumpOutput(is64bit, "-W");
-}
-
-TEST_F(DwarfTest, DebugLine) {
- const bool is64bit = false;
- const int code_factor_bits = 1;
- DebugLineOpCodeWriter<> opcodes(is64bit, code_factor_bits);
-
- std::vector<std::string> include_directories;
- include_directories.push_back("/path/to/source");
- DW_CHECK("1\t/path/to/source");
-
- std::vector<DebugLineWriter<>::FileEntry> files {
- { "file0.c", 0, 1000, 2000 },
- { "file1.c", 1, 1000, 2000 },
- { "file2.c", 1, 1000, 2000 },
- };
- DW_CHECK("1\t0\t1000\t2000\tfile0.c");
- DW_CHECK_NEXT("2\t1\t1000\t2000\tfile1.c");
- DW_CHECK_NEXT("3\t1\t1000\t2000\tfile2.c");
-
- DW_CHECK("Line Number Statements");
- opcodes.SetAddress(0x01000000);
- DW_CHECK_NEXT("Extended opcode 2: set Address to 0x1000000");
- opcodes.AddRow();
- DW_CHECK_NEXT("Copy");
- opcodes.AdvancePC(0x01000100);
- DW_CHECK_NEXT("Advance PC by 256 to 0x1000100");
- opcodes.SetFile(2);
- DW_CHECK_NEXT("Set File Name to entry 2 in the File Name Table");
- opcodes.AdvanceLine(3);
- DW_CHECK_NEXT("Advance Line by 2 to 3");
- opcodes.SetColumn(4);
- DW_CHECK_NEXT("Set column to 4");
- opcodes.NegateStmt();
- DW_CHECK_NEXT("Set is_stmt to 0");
- opcodes.SetBasicBlock();
- DW_CHECK_NEXT("Set basic block");
- opcodes.SetPrologueEnd();
- DW_CHECK_NEXT("Set prologue_end to true");
- opcodes.SetEpilogueBegin();
- DW_CHECK_NEXT("Set epilogue_begin to true");
- opcodes.SetISA(5);
- DW_CHECK_NEXT("Set ISA to 5");
- opcodes.EndSequence();
- DW_CHECK_NEXT("Extended opcode 1: End of Sequence");
- // TODO: objdump says this opcode has invalid length. I am not convinced.
- // opcodes.DefineFile("file.c", 0, 1000, 2000);
- // DW_CHECK_NEXT("Extended opcode 3: define new File Table entry");
- // DW_CHECK_NEXT("1\t0\t1000\t2000\tfile.c");
-
- DebugLineWriter<> debug_line(&debug_line_data_);
- debug_line.WriteTable(include_directories, files, opcodes);
- CheckObjdumpOutput(is64bit, "-W");
-}
-
-// DWARF has special one byte codes which advance PC and line at the same time.
-TEST_F(DwarfTest, DebugLineSpecialOpcodes) {
- const bool is64bit = false;
- const int code_factor_bits = 1;
- uint32_t pc = 0x01000000;
- int line = 1;
- DebugLineOpCodeWriter<> opcodes(is64bit, code_factor_bits);
- opcodes.SetAddress(pc);
- size_t num_rows = 0;
- DW_CHECK("Line Number Statements:");
- DW_CHECK("Special opcode");
- DW_CHECK("Advance PC by constant");
- DW_CHECK("Decoded dump of debug contents of section .debug_line:");
- for (int addr_delta = 0; addr_delta < 80; addr_delta += 2) {
- for (int line_delta = 16; line_delta >= -16; --line_delta) {
- pc += addr_delta;
- line += line_delta;
- opcodes.AddRow(pc, line);
- num_rows++;
- ASSERT_EQ(opcodes.CurrentAddress(), pc);
- ASSERT_EQ(opcodes.CurrentLine(), line);
- char expected[1024];
- sprintf(expected, "%i 0x%x", line, pc);
- DW_CHECK_NEXT(expected);
- }
- }
- EXPECT_LT(opcodes.data()->size(), num_rows * 3);
-
- std::vector<std::string> directories;
- std::vector<DebugLineWriter<>::FileEntry> files;
- DebugLineWriter<> debug_line(&debug_line_data_);
- debug_line.WriteTable(directories, files, opcodes);
- CheckObjdumpOutput(is64bit, "-W -WL");
-}
-
-#endif // HAVE_ANDROID_OS
-
-} // namespace dwarf
-} // namespace art
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