| // Copyright 2011 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| // |
| |
| #include <stdlib.h> |
| |
| #include "v8.h" |
| |
| #include "debug.h" |
| #include "disasm.h" |
| #include "disassembler.h" |
| #include "macro-assembler.h" |
| #include "serialize.h" |
| #include "cctest.h" |
| |
| using namespace v8::internal; |
| |
| |
| static v8::Persistent<v8::Context> env; |
| |
| static void InitializeVM() { |
| // Disable compilation of natives. |
| FLAG_disable_native_files = true; |
| if (env.IsEmpty()) { |
| env = v8::Context::New(); |
| } |
| } |
| |
| |
| bool DisassembleAndCompare(byte* pc, const char* compare_string) { |
| disasm::NameConverter converter; |
| disasm::Disassembler disasm(converter); |
| EmbeddedVector<char, 128> disasm_buffer; |
| |
| disasm.InstructionDecode(disasm_buffer, pc); |
| |
| if (strcmp(compare_string, disasm_buffer.start()) != 0) { |
| fprintf(stderr, |
| "expected: \n" |
| "%s\n" |
| "disassembled: \n" |
| "%s\n\n", |
| compare_string, disasm_buffer.start()); |
| return false; |
| } |
| return true; |
| } |
| |
| |
| // Setup V8 to a state where we can at least run the assembler and |
| // disassembler. Declare the variables and allocate the data structures used |
| // in the rest of the macros. |
| #define SETUP() \ |
| InitializeVM(); \ |
| v8::HandleScope scope; \ |
| byte *buffer = reinterpret_cast<byte*>(malloc(4*1024)); \ |
| Assembler assm(Isolate::Current(), buffer, 4*1024); \ |
| bool failure = false; |
| |
| |
| // This macro assembles one instruction using the preallocated assembler and |
| // disassembles the generated instruction, comparing the output to the expected |
| // value. If the comparison fails an error message is printed, but the test |
| // continues to run until the end. |
| #define COMPARE(asm_, compare_string) \ |
| { \ |
| int pc_offset = assm.pc_offset(); \ |
| byte *progcounter = &buffer[pc_offset]; \ |
| assm.asm_; \ |
| if (!DisassembleAndCompare(progcounter, compare_string)) failure = true; \ |
| } |
| |
| |
| // Verify that all invocations of the COMPARE macro passed successfully. |
| // Exit with a failure if at least one of the tests failed. |
| #define VERIFY_RUN() \ |
| if (failure) { \ |
| V8_Fatal(__FILE__, __LINE__, "MIPS Disassembler tests failed.\n"); \ |
| } |
| |
| |
| TEST(Type0) { |
| SETUP(); |
| |
| COMPARE(addu(a0, a1, a2), |
| "00a62021 addu a0, a1, a2"); |
| COMPARE(addu(t2, t3, t4), |
| "016c5021 addu t2, t3, t4"); |
| COMPARE(addu(v0, v1, s0), |
| "00701021 addu v0, v1, s0"); |
| |
| COMPARE(subu(a0, a1, a2), |
| "00a62023 subu a0, a1, a2"); |
| COMPARE(subu(t2, t3, t4), |
| "016c5023 subu t2, t3, t4"); |
| COMPARE(subu(v0, v1, s0), |
| "00701023 subu v0, v1, s0"); |
| |
| COMPARE(mult(a0, a1), |
| "00850018 mult a0, a1"); |
| COMPARE(mult(t2, t3), |
| "014b0018 mult t2, t3"); |
| COMPARE(mult(v0, v1), |
| "00430018 mult v0, v1"); |
| |
| COMPARE(multu(a0, a1), |
| "00850019 multu a0, a1"); |
| COMPARE(multu(t2, t3), |
| "014b0019 multu t2, t3"); |
| COMPARE(multu(v0, v1), |
| "00430019 multu v0, v1"); |
| |
| COMPARE(div(a0, a1), |
| "0085001a div a0, a1"); |
| COMPARE(div(t2, t3), |
| "014b001a div t2, t3"); |
| COMPARE(div(v0, v1), |
| "0043001a div v0, v1"); |
| |
| COMPARE(divu(a0, a1), |
| "0085001b divu a0, a1"); |
| COMPARE(divu(t2, t3), |
| "014b001b divu t2, t3"); |
| COMPARE(divu(v0, v1), |
| "0043001b divu v0, v1"); |
| |
| COMPARE(mul(a0, a1, a2), |
| "70a62002 mul a0, a1, a2"); |
| COMPARE(mul(t2, t3, t4), |
| "716c5002 mul t2, t3, t4"); |
| COMPARE(mul(v0, v1, s0), |
| "70701002 mul v0, v1, s0"); |
| |
| COMPARE(addiu(a0, a1, 0x0), |
| "24a40000 addiu a0, a1, 0"); |
| COMPARE(addiu(s0, s1, 32767), |
| "26307fff addiu s0, s1, 32767"); |
| COMPARE(addiu(t2, t3, -32768), |
| "256a8000 addiu t2, t3, -32768"); |
| COMPARE(addiu(v0, v1, -1), |
| "2462ffff addiu v0, v1, -1"); |
| |
| COMPARE(and_(a0, a1, a2), |
| "00a62024 and a0, a1, a2"); |
| COMPARE(and_(s0, s1, s2), |
| "02328024 and s0, s1, s2"); |
| COMPARE(and_(t2, t3, t4), |
| "016c5024 and t2, t3, t4"); |
| COMPARE(and_(v0, v1, a2), |
| "00661024 and v0, v1, a2"); |
| |
| COMPARE(or_(a0, a1, a2), |
| "00a62025 or a0, a1, a2"); |
| COMPARE(or_(s0, s1, s2), |
| "02328025 or s0, s1, s2"); |
| COMPARE(or_(t2, t3, t4), |
| "016c5025 or t2, t3, t4"); |
| COMPARE(or_(v0, v1, a2), |
| "00661025 or v0, v1, a2"); |
| |
| COMPARE(xor_(a0, a1, a2), |
| "00a62026 xor a0, a1, a2"); |
| COMPARE(xor_(s0, s1, s2), |
| "02328026 xor s0, s1, s2"); |
| COMPARE(xor_(t2, t3, t4), |
| "016c5026 xor t2, t3, t4"); |
| COMPARE(xor_(v0, v1, a2), |
| "00661026 xor v0, v1, a2"); |
| |
| COMPARE(nor(a0, a1, a2), |
| "00a62027 nor a0, a1, a2"); |
| COMPARE(nor(s0, s1, s2), |
| "02328027 nor s0, s1, s2"); |
| COMPARE(nor(t2, t3, t4), |
| "016c5027 nor t2, t3, t4"); |
| COMPARE(nor(v0, v1, a2), |
| "00661027 nor v0, v1, a2"); |
| |
| COMPARE(andi(a0, a1, 0x1), |
| "30a40001 andi a0, a1, 0x1"); |
| COMPARE(andi(v0, v1, 0xffff), |
| "3062ffff andi v0, v1, 0xffff"); |
| |
| COMPARE(ori(a0, a1, 0x1), |
| "34a40001 ori a0, a1, 0x1"); |
| COMPARE(ori(v0, v1, 0xffff), |
| "3462ffff ori v0, v1, 0xffff"); |
| |
| COMPARE(xori(a0, a1, 0x1), |
| "38a40001 xori a0, a1, 0x1"); |
| COMPARE(xori(v0, v1, 0xffff), |
| "3862ffff xori v0, v1, 0xffff"); |
| |
| COMPARE(lui(a0, 0x1), |
| "3c040001 lui a0, 0x1"); |
| COMPARE(lui(v0, 0xffff), |
| "3c02ffff lui v0, 0xffff"); |
| |
| COMPARE(sll(a0, a1, 0), |
| "00052000 sll a0, a1, 0"); |
| COMPARE(sll(s0, s1, 8), |
| "00118200 sll s0, s1, 8"); |
| COMPARE(sll(t2, t3, 24), |
| "000b5600 sll t2, t3, 24"); |
| COMPARE(sll(v0, v1, 31), |
| "000317c0 sll v0, v1, 31"); |
| |
| COMPARE(sllv(a0, a1, a2), |
| "00c52004 sllv a0, a1, a2"); |
| COMPARE(sllv(s0, s1, s2), |
| "02518004 sllv s0, s1, s2"); |
| COMPARE(sllv(t2, t3, t4), |
| "018b5004 sllv t2, t3, t4"); |
| COMPARE(sllv(v0, v1, fp), |
| "03c31004 sllv v0, v1, fp"); |
| |
| COMPARE(srl(a0, a1, 0), |
| "00052002 srl a0, a1, 0"); |
| COMPARE(srl(s0, s1, 8), |
| "00118202 srl s0, s1, 8"); |
| COMPARE(srl(t2, t3, 24), |
| "000b5602 srl t2, t3, 24"); |
| COMPARE(srl(v0, v1, 31), |
| "000317c2 srl v0, v1, 31"); |
| |
| COMPARE(srlv(a0, a1, a2), |
| "00c52006 srlv a0, a1, a2"); |
| COMPARE(srlv(s0, s1, s2), |
| "02518006 srlv s0, s1, s2"); |
| COMPARE(srlv(t2, t3, t4), |
| "018b5006 srlv t2, t3, t4"); |
| COMPARE(srlv(v0, v1, fp), |
| "03c31006 srlv v0, v1, fp"); |
| |
| COMPARE(sra(a0, a1, 0), |
| "00052003 sra a0, a1, 0"); |
| COMPARE(sra(s0, s1, 8), |
| "00118203 sra s0, s1, 8"); |
| COMPARE(sra(t2, t3, 24), |
| "000b5603 sra t2, t3, 24"); |
| COMPARE(sra(v0, v1, 31), |
| "000317c3 sra v0, v1, 31"); |
| |
| COMPARE(srav(a0, a1, a2), |
| "00c52007 srav a0, a1, a2"); |
| COMPARE(srav(s0, s1, s2), |
| "02518007 srav s0, s1, s2"); |
| COMPARE(srav(t2, t3, t4), |
| "018b5007 srav t2, t3, t4"); |
| COMPARE(srav(v0, v1, fp), |
| "03c31007 srav v0, v1, fp"); |
| |
| if (mips32r2) { |
| COMPARE(rotr(a0, a1, 0), |
| "00252002 rotr a0, a1, 0"); |
| COMPARE(rotr(s0, s1, 8), |
| "00318202 rotr s0, s1, 8"); |
| COMPARE(rotr(t2, t3, 24), |
| "002b5602 rotr t2, t3, 24"); |
| COMPARE(rotr(v0, v1, 31), |
| "002317c2 rotr v0, v1, 31"); |
| |
| COMPARE(rotrv(a0, a1, a2), |
| "00c52046 rotrv a0, a1, a2"); |
| COMPARE(rotrv(s0, s1, s2), |
| "02518046 rotrv s0, s1, s2"); |
| COMPARE(rotrv(t2, t3, t4), |
| "018b5046 rotrv t2, t3, t4"); |
| COMPARE(rotrv(v0, v1, fp), |
| "03c31046 rotrv v0, v1, fp"); |
| } |
| |
| COMPARE(break_(0), |
| "0000000d break, code: 0x00000 (0)"); |
| COMPARE(break_(261120), |
| "00ff000d break, code: 0x3fc00 (261120)"); |
| COMPARE(break_(1047552), |
| "03ff000d break, code: 0xffc00 (1047552)"); |
| |
| COMPARE(tge(a0, a1, 0), |
| "00850030 tge a0, a1, code: 0x000"); |
| COMPARE(tge(s0, s1, 1023), |
| "0211fff0 tge s0, s1, code: 0x3ff"); |
| COMPARE(tgeu(a0, a1, 0), |
| "00850031 tgeu a0, a1, code: 0x000"); |
| COMPARE(tgeu(s0, s1, 1023), |
| "0211fff1 tgeu s0, s1, code: 0x3ff"); |
| COMPARE(tlt(a0, a1, 0), |
| "00850032 tlt a0, a1, code: 0x000"); |
| COMPARE(tlt(s0, s1, 1023), |
| "0211fff2 tlt s0, s1, code: 0x3ff"); |
| COMPARE(tltu(a0, a1, 0), |
| "00850033 tltu a0, a1, code: 0x000"); |
| COMPARE(tltu(s0, s1, 1023), |
| "0211fff3 tltu s0, s1, code: 0x3ff"); |
| COMPARE(teq(a0, a1, 0), |
| "00850034 teq a0, a1, code: 0x000"); |
| COMPARE(teq(s0, s1, 1023), |
| "0211fff4 teq s0, s1, code: 0x3ff"); |
| COMPARE(tne(a0, a1, 0), |
| "00850036 tne a0, a1, code: 0x000"); |
| COMPARE(tne(s0, s1, 1023), |
| "0211fff6 tne s0, s1, code: 0x3ff"); |
| |
| COMPARE(mfhi(a0), |
| "00002010 mfhi a0"); |
| COMPARE(mfhi(s2), |
| "00009010 mfhi s2"); |
| COMPARE(mfhi(t4), |
| "00006010 mfhi t4"); |
| COMPARE(mfhi(v1), |
| "00001810 mfhi v1"); |
| COMPARE(mflo(a0), |
| "00002012 mflo a0"); |
| COMPARE(mflo(s2), |
| "00009012 mflo s2"); |
| COMPARE(mflo(t4), |
| "00006012 mflo t4"); |
| COMPARE(mflo(v1), |
| "00001812 mflo v1"); |
| |
| COMPARE(slt(a0, a1, a2), |
| "00a6202a slt a0, a1, a2"); |
| COMPARE(slt(s0, s1, s2), |
| "0232802a slt s0, s1, s2"); |
| COMPARE(slt(t2, t3, t4), |
| "016c502a slt t2, t3, t4"); |
| COMPARE(slt(v0, v1, a2), |
| "0066102a slt v0, v1, a2"); |
| COMPARE(sltu(a0, a1, a2), |
| "00a6202b sltu a0, a1, a2"); |
| COMPARE(sltu(s0, s1, s2), |
| "0232802b sltu s0, s1, s2"); |
| COMPARE(sltu(t2, t3, t4), |
| "016c502b sltu t2, t3, t4"); |
| COMPARE(sltu(v0, v1, a2), |
| "0066102b sltu v0, v1, a2"); |
| |
| COMPARE(slti(a0, a1, 0), |
| "28a40000 slti a0, a1, 0"); |
| COMPARE(slti(s0, s1, 32767), |
| "2a307fff slti s0, s1, 32767"); |
| COMPARE(slti(t2, t3, -32768), |
| "296a8000 slti t2, t3, -32768"); |
| COMPARE(slti(v0, v1, -1), |
| "2862ffff slti v0, v1, -1"); |
| COMPARE(sltiu(a0, a1, 0), |
| "2ca40000 sltiu a0, a1, 0"); |
| COMPARE(sltiu(s0, s1, 32767), |
| "2e307fff sltiu s0, s1, 32767"); |
| COMPARE(sltiu(t2, t3, -32768), |
| "2d6a8000 sltiu t2, t3, -32768"); |
| COMPARE(sltiu(v0, v1, -1), |
| "2c62ffff sltiu v0, v1, -1"); |
| |
| COMPARE(movz(a0, a1, a2), |
| "00a6200a movz a0, a1, a2"); |
| COMPARE(movz(s0, s1, s2), |
| "0232800a movz s0, s1, s2"); |
| COMPARE(movz(t2, t3, t4), |
| "016c500a movz t2, t3, t4"); |
| COMPARE(movz(v0, v1, a2), |
| "0066100a movz v0, v1, a2"); |
| COMPARE(movn(a0, a1, a2), |
| "00a6200b movn a0, a1, a2"); |
| COMPARE(movn(s0, s1, s2), |
| "0232800b movn s0, s1, s2"); |
| COMPARE(movn(t2, t3, t4), |
| "016c500b movn t2, t3, t4"); |
| COMPARE(movn(v0, v1, a2), |
| "0066100b movn v0, v1, a2"); |
| |
| COMPARE(movt(a0, a1, 1), |
| "00a52001 movt a0, a1, 1"); |
| COMPARE(movt(s0, s1, 2), |
| "02298001 movt s0, s1, 2"); |
| COMPARE(movt(t2, t3, 3), |
| "016d5001 movt t2, t3, 3"); |
| COMPARE(movt(v0, v1, 7), |
| "007d1001 movt v0, v1, 7"); |
| COMPARE(movf(a0, a1, 0), |
| "00a02001 movf a0, a1, 0"); |
| COMPARE(movf(s0, s1, 4), |
| "02308001 movf s0, s1, 4"); |
| COMPARE(movf(t2, t3, 5), |
| "01745001 movf t2, t3, 5"); |
| COMPARE(movf(v0, v1, 6), |
| "00781001 movf v0, v1, 6"); |
| |
| COMPARE(clz(a0, a1), |
| "70a42020 clz a0, a1"); |
| COMPARE(clz(s6, s7), |
| "72f6b020 clz s6, s7"); |
| COMPARE(clz(v0, v1), |
| "70621020 clz v0, v1"); |
| |
| if (mips32r2) { |
| COMPARE(ins_(a0, a1, 31, 1), |
| "7ca4ffc4 ins a0, a1, 31, 1"); |
| COMPARE(ins_(s6, s7, 30, 2), |
| "7ef6ff84 ins s6, s7, 30, 2"); |
| COMPARE(ins_(v0, v1, 0, 32), |
| "7c62f804 ins v0, v1, 0, 32"); |
| COMPARE(ext_(a0, a1, 31, 1), |
| "7ca407c0 ext a0, a1, 31, 1"); |
| COMPARE(ext_(s6, s7, 30, 2), |
| "7ef60f80 ext s6, s7, 30, 2"); |
| COMPARE(ext_(v0, v1, 0, 32), |
| "7c62f800 ext v0, v1, 0, 32"); |
| } |
| |
| VERIFY_RUN(); |
| } |
