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3 // modification, are permitted provided that the following conditions are
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34 #include "disassembler.h"
35 #include "macro-assembler.h"
36 #include "serialize.h"
39 using namespace v8::internal;
41 static v8::Persistent<v8::Context> env;
43 static void InitializeVM() {
45 env = v8::Context::New();
53 static void DummyStaticFunction(Object* result) {
59 v8::HandleScope scope;
60 v8::internal::byte buffer[2048];
61 Assembler assm(Isolate::Current(), buffer, sizeof buffer);
62 DummyStaticFunction(NULL); // just bloody use it (DELETE; debugging)
64 // Short immediate instructions
65 __ addq(rax, Immediate(12345678));
66 __ or_(rax, Immediate(12345678));
67 __ subq(rax, Immediate(12345678));
68 __ xor_(rax, Immediate(12345678));
69 __ and_(rax, Immediate(12345678));
71 // ---- This one caused crash
72 __ movq(rbx, Operand(rsp, rcx, times_2, 0)); // [rsp+rcx*4]
74 // ---- All instructions that I can think of
76 __ addq(rdx, Operand(rbx, 0));
77 __ addq(rdx, Operand(rbx, 16));
78 __ addq(rdx, Operand(rbx, 1999));
79 __ addq(rdx, Operand(rsp, 0));
80 __ addq(rdx, Operand(rsp, 16));
81 __ addq(rdx, Operand(rsp, 1999));
83 __ addq(rdi, Operand(rbp, rcx, times_4, 0));
84 __ addq(rdi, Operand(rbp, rcx, times_4, 12));
85 __ addq(Operand(rbp, rcx, times_4, 12), Immediate(12));
88 __ addq(rbx, Immediate(12));
91 __ and_(rdx, Immediate(3));
92 __ and_(rdx, Operand(rsp, 4));
93 __ cmpq(rdx, Immediate(3));
94 __ cmpq(rdx, Operand(rsp, 4));
95 __ cmpq(Operand(rbp, rcx, times_4, 0), Immediate(1000));
96 __ cmpb(rbx, Operand(rbp, rcx, times_2, 0));
97 __ cmpb(Operand(rbp, rcx, times_2, 0), rbx);
98 __ or_(rdx, Immediate(3));
99 __ xor_(rdx, Immediate(3));
102 CHECK(CpuFeatures::IsSupported(CPUID));
103 CpuFeatures::Scope fscope(CPUID);
107 CHECK(CpuFeatures::IsSupported(RDTSC));
108 CpuFeatures::Scope fscope(RDTSC);
111 __ movsxbq(rdx, Operand(rcx, 0));
112 __ movsxwq(rdx, Operand(rcx, 0));
113 __ movzxbl(rdx, Operand(rcx, 0));
114 __ movzxwl(rdx, Operand(rcx, 0));
115 __ movzxbq(rdx, Operand(rcx, 0));
116 __ movzxwq(rdx, Operand(rcx, 0));
122 __ bts(Operand(rdx, 0), rcx);
123 __ bts(Operand(rbx, rcx, times_4, 0), rcx);
125 __ push(Immediate(12));
126 __ push(Immediate(23456));
129 __ push(Operand(rbp, JavaScriptFrameConstants::kFunctionOffset));
130 __ push(Operand(rbx, rcx, times_4, 0));
131 __ push(Operand(rbx, rcx, times_4, 0));
132 __ push(Operand(rbx, rcx, times_4, 10000));
135 __ pop(Operand(rbx, rcx, times_4, 0));
138 __ addq(rdx, Operand(rsp, 16));
140 __ movb(rdx, Operand(rcx, 0));
141 __ movb(rcx, Immediate(6));
142 __ movb(Operand(rsp, 16), rdx);
143 __ movw(Operand(rsp, 16), rdx);
145 __ movsxwq(rdx, Operand(rsp, 12));
146 __ movsxbq(rdx, Operand(rsp, 12));
147 __ movsxlq(rdx, Operand(rsp, 12));
148 __ movzxwq(rdx, Operand(rsp, 12));
149 __ movzxbq(rdx, Operand(rsp, 12));
151 __ movq(rdx, Immediate(1234567));
152 __ movq(rdx, Operand(rsp, 12));
153 __ movq(Operand(rbx, rcx, times_4, 10000), Immediate(12345));
154 __ movq(Operand(rbx, rcx, times_4, 10000), rdx);
157 __ decb(Operand(rax, 10));
158 __ decb(Operand(rbx, rcx, times_4, 10000));
167 __ testq(Operand(rbx, rcx, times_4, 10000), rdx);
169 __ imul(rdx, Operand(rbx, rcx, times_4, 10000));
170 __ imul(rdx, rcx, Immediate(12));
171 __ imul(rdx, rcx, Immediate(1000));
174 __ incq(Operand(rbx, rcx, times_4, 10000));
175 __ push(Operand(rbx, rcx, times_4, 10000));
176 __ pop(Operand(rbx, rcx, times_4, 10000));
177 __ jmp(Operand(rbx, rcx, times_4, 10000));
179 __ lea(rdx, Operand(rbx, rcx, times_4, 10000));
180 __ or_(rdx, Immediate(12345));
181 __ or_(rdx, Operand(rbx, rcx, times_4, 10000));
185 __ rcl(rdx, Immediate(1));
186 __ rcl(rdx, Immediate(7));
187 __ rcr(rdx, Immediate(1));
188 __ rcr(rdx, Immediate(7));
189 __ sar(rdx, Immediate(1));
190 __ sar(rdx, Immediate(6));
194 __ shl(rdx, Immediate(1));
195 __ shl(rdx, Immediate(6));
198 __ shr(rdx, Immediate(1));
199 __ shr(rdx, Immediate(7));
205 __ addq(rbx, Immediate(12));
206 __ addq(Operand(rdx, rcx, times_4, 10000), Immediate(12));
208 __ and_(rbx, Immediate(12345));
210 __ cmpq(rbx, Immediate(12345));
211 __ cmpq(rbx, Immediate(12));
212 __ cmpq(Operand(rdx, rcx, times_4, 10000), Immediate(12));
213 __ cmpb(rax, Immediate(100));
215 __ or_(rbx, Immediate(12345));
217 __ subq(rbx, Immediate(12));
218 __ subq(Operand(rdx, rcx, times_4, 10000), Immediate(12));
220 __ xor_(rbx, Immediate(12345));
222 __ imul(rdx, rcx, Immediate(12));
223 __ imul(rdx, rcx, Immediate(1000));
227 __ subq(rdx, Operand(rbx, rcx, times_4, 10000));
230 __ testq(rdx, Immediate(12345));
231 __ testq(Operand(rbx, rcx, times_8, 10000), rdx);
232 __ testb(Operand(rcx, rbx, times_2, 1000), rdx);
233 __ testb(Operand(rax, -20), Immediate(0x9A));
236 __ xor_(rdx, Immediate(12345));
237 __ xor_(rdx, Operand(rbx, rcx, times_8, 10000));
238 __ bts(Operand(rbx, rcx, times_8, 10000), rdx);
253 __ call(Operand(rbx, rcx, times_4, 10000));
255 Handle<Code> ic(Isolate::Current()->builtins()->builtin(
256 Builtins::kLoadIC_Initialize));
257 __ call(ic, RelocInfo::CODE_TARGET);
262 __ jmp(Operand(rbx, rcx, times_4, 10000));
263 #ifdef ENABLE_DEBUGGER_SUPPORT
264 ExternalReference after_break_target =
265 ExternalReference(Debug_Address::AfterBreakTarget(),
267 #endif // ENABLE_DEBUGGER_SUPPORT
268 __ jmp(ic, RelocInfo::CODE_TARGET);
275 __ j(overflow, &Ljcc);
276 __ j(no_overflow, &Ljcc);
278 __ j(above_equal, &Ljcc);
280 __ j(not_equal, &Ljcc);
281 __ j(below_equal, &Ljcc);
284 __ j(not_sign, &Ljcc);
285 __ j(parity_even, &Ljcc);
286 __ j(parity_odd, &Ljcc);
288 __ j(greater_equal, &Ljcc);
289 __ j(less_equal, &Ljcc);
290 __ j(greater, &Ljcc);
294 __ j(overflow, &Ljcc);
295 __ j(no_overflow, &Ljcc);
297 __ j(above_equal, &Ljcc);
299 __ j(not_equal, &Ljcc);
300 __ j(below_equal, &Ljcc);
303 __ j(not_sign, &Ljcc);
304 __ j(parity_even, &Ljcc);
305 __ j(parity_odd, &Ljcc);
307 __ j(greater_equal, &Ljcc);
308 __ j(less_equal, &Ljcc);
309 __ j(greater, &Ljcc);
325 __ fld_s(Operand(rbx, rcx, times_4, 10000));
326 __ fstp_s(Operand(rbx, rcx, times_4, 10000));
328 __ fld_d(Operand(rbx, rcx, times_4, 10000));
329 __ fstp_d(Operand(rbx, rcx, times_4, 10000));
332 __ fild_s(Operand(rbx, rcx, times_4, 10000));
333 __ fistp_s(Operand(rbx, rcx, times_4, 10000));
334 __ fild_d(Operand(rbx, rcx, times_4, 10000));
335 __ fistp_d(Operand(rbx, rcx, times_4, 10000));
351 if (CpuFeatures::IsSupported(SSE2)) {
352 CpuFeatures::Scope fscope(SSE2);
353 __ cvttss2si(rdx, Operand(rbx, rcx, times_4, 10000));
354 __ cvttss2si(rdx, xmm1);
355 __ cvttsd2si(rdx, Operand(rbx, rcx, times_4, 10000));
356 __ cvttsd2si(rdx, xmm1);
357 __ cvttsd2siq(rdx, xmm1);
358 __ addsd(xmm1, xmm0);
359 __ mulsd(xmm1, xmm0);
360 __ subsd(xmm1, xmm0);
361 __ divsd(xmm1, xmm0);
362 __ movsd(xmm1, Operand(rbx, rcx, times_4, 10000));
363 __ movsd(Operand(rbx, rcx, times_4, 10000), xmm1);
364 __ ucomisd(xmm0, xmm1);
366 // 128 bit move instructions.
367 __ movdqa(xmm0, Operand(rbx, rcx, times_4, 10000));
368 __ movdqa(Operand(rbx, rcx, times_4, 10000), xmm0);
374 if (CpuFeatures::IsSupported(CMOV)) {
375 CpuFeatures::Scope use_cmov(CMOV);
376 __ cmovq(overflow, rax, Operand(rax, 0));
377 __ cmovq(no_overflow, rax, Operand(rax, 1));
378 __ cmovq(below, rax, Operand(rax, 2));
379 __ cmovq(above_equal, rax, Operand(rax, 3));
380 __ cmovq(equal, rax, Operand(rbx, 0));
381 __ cmovq(not_equal, rax, Operand(rbx, 1));
382 __ cmovq(below_equal, rax, Operand(rbx, 2));
383 __ cmovq(above, rax, Operand(rbx, 3));
384 __ cmovq(sign, rax, Operand(rcx, 0));
385 __ cmovq(not_sign, rax, Operand(rcx, 1));
386 __ cmovq(parity_even, rax, Operand(rcx, 2));
387 __ cmovq(parity_odd, rax, Operand(rcx, 3));
388 __ cmovq(less, rax, Operand(rdx, 0));
389 __ cmovq(greater_equal, rax, Operand(rdx, 1));
390 __ cmovq(less_equal, rax, Operand(rdx, 2));
391 __ cmovq(greater, rax, Operand(rdx, 3));
397 if (CpuFeatures::IsSupported(SSE2)) {
398 CpuFeatures::Scope fscope(SSE2);
399 __ andpd(xmm0, xmm1);
400 __ andpd(xmm1, xmm2);
402 __ movaps(xmm0, xmm1);
403 __ movaps(xmm1, xmm2);
408 for (int i = 0; i < 16; i++) {
416 Object* code = HEAP->CreateCode(
418 Code::ComputeFlags(Code::STUB),
419 Handle<Object>(HEAP->undefined_value()))->ToObjectChecked();
420 CHECK(code->IsCode());
422 Code::cast(code)->Print();
423 byte* begin = Code::cast(code)->instruction_start();
424 byte* end = begin + Code::cast(code)->instruction_size();
425 disasm::Disassembler::Disassemble(stdout, begin, end);