89 lines
3.7 KiB
C++
89 lines
3.7 KiB
C++
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#define XBYAK_NO_OP_NAMES
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#include <xbyak/xbyak.h>
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/*
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dump of vc
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00000000003A0000 F3 0F C2 05 F1 00 00 00 00 cmpeqss xmm0,dword ptr [3A00FAh]
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00000000003A0009 F7 05 E7 00 00 00 21 00 00 00 test dword ptr [3A00FAh],21h
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00000000003A0013 0F BA 25 DF 00 00 00 03 bt dword ptr [3A00FAh],3
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00000000003A001B C4 E3 79 0D 05 D5 00 00 00 03 vblendpd xmm0,xmm0,xmmword ptr [3A00FAh],3
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00000000003A0025 C4 E3 79 0F 05 CB 00 00 00 04 vpalignr xmm0,xmm0,xmmword ptr [3A00FAh],4
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00000000003A002F C4 E3 7D 19 1D C1 00 00 00 0C vextractf128 xmmword ptr [3A00FAh],ymm3,0Ch
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00000000003A0039 C4 E3 75 46 05 B7 00 00 00 0D vperm2i128 ymm0,ymm1,ymmword ptr [3A00FAh],0Dh
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00000000003A0043 C4 E3 79 1D 15 AD 00 00 00 2C vcvtps2ph mmword ptr [3A00FAh],xmm2,2Ch
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00000000003A004D C7 05 A3 00 00 00 34 12 00 00 mov dword ptr [3A00FAh],1234h
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00000000003A0057 C1 25 9C 00 00 00 03 shl dword ptr [3A00FAh],3
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00000000003A005E D1 2D 96 00 00 00 shr dword ptr [3A00FAh],1
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00000000003A0064 48 0F A4 05 8D 00 00 00 03 shld qword ptr [3A00FAh],rax,3
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00000000003A006D 48 6B 05 85 00 00 00 15 imul rax,qword ptr [3A00FAh],15h
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00000000003A0075 C4 E3 FB F0 05 7B 00 00 00 15 rorx rax,qword ptr [3A00FAh],15h
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00000000003A007F F7 05 71 00 00 00 05 00 00 00 test dword ptr [3A00FAh],5
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00000000003A0089 66 48 0F 3A 16 05 66 00 00 00 03 pextrq qword ptr [3A00FAh],xmm0,3
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00000000003A0094 66 48 0F 3A 22 15 5B 00 00 00 05 pinsrq xmm2,qword ptr [3A00FAh],5
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00000000003A009F 66 0F 3A 15 0D 51 00 00 00 04 pextrw word ptr [3A00FAh],xmm1,4
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00000000003A00A9 81 15 47 00 00 00 45 23 01 00 adc dword ptr [3A00FAh],12345h
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00000000003A00B3 0F BA 25 3F 00 00 00 34 bt dword ptr [3A00FAh],34h
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00000000003A00BB 66 0F BA 3D 36 00 00 00 34 btc word ptr [3A00FAh],34h
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00000000003A00C4 0F BA 35 2E 00 00 00 34 btr dword ptr [3A00FAh],34h
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00000000003A00CC C1 15 27 00 00 00 04 rcl dword ptr [3A00FAh],4
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00000000003A00D3 48 0F A4 05 1E 00 00 00 04 shld qword ptr [3A00FAh],rax,4
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00000000003A00DC 0F 3A 0F 05 15 00 00 00 04 palignr mm0,mmword ptr [3A00FAh],4
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00000000003A00E5 66 0F 3A DF 1D 0B 00 00 00 04 aeskeygenassist xmm3,xmmword ptr [3A00FAh],4
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00000000003A00EF C4 E3 79 60 15 01 00 00 00 07 vpcmpestrm xmm2,xmmword ptr [3A00FAh],7
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00000000003A00F9 C3 ret
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00000000003A00FA F0 DE BC 9A 78 56 34 12
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*/
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struct Code : Xbyak::CodeGenerator {
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Code()
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{
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Xbyak::Label label;
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cmpss(xmm0, ptr[rip + label], 0);
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test(dword[rip + label], 33);
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bt(dword[rip + label ], 3);
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vblendpd(xmm0, dword[rip + label], 3);
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vpalignr(xmm0, qword[rip + label], 4);
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vextractf128(dword[rip + label], ymm3, 12);
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vperm2i128(ymm0, ymm1, qword[rip + label], 13);
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vcvtps2ph(ptr[rip + label], xmm2, 44);
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mov(dword[rip + label], 0x1234);
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shl(dword[rip + label], 3);
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shr(dword[rip + label], 1);
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shld(qword[rip + label], rax, 3);
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imul(rax, qword[rip + label], 21);
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rorx(rax, qword[rip + label], 21);
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test(dword[rip + label], 5);
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pextrq(ptr[rip + label], xmm0, 3);
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pinsrq(xmm2, ptr[rip + label], 5);
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pextrw(ptr[rip + label], xmm1, 4);
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adc(dword[rip + label], 0x12345);
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bt(byte[rip + label], 0x34);
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btc(word[rip + label], 0x34);
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btr(dword[rip + label], 0x34);
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rcl(dword[rip + label], 4);
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shld(qword[rip + label], rax, 4);
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palignr(mm0, ptr[rip + label], 4);
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aeskeygenassist(xmm3, ptr[rip + label], 4);
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vpcmpestrm(xmm2, ptr[rip + label], 7);
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ret();
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L(label);
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dq(0x123456789abcdef0ull);
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};
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};
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void dump(const unsigned char *p, size_t n)
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{
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for (int i = 0; i < n; i++) {
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printf("%02x ", p[i]);
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if ((i % 16) == 15) putchar('\n');
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}
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putchar('\n');
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}
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int main()
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{
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Code code;
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void (*f)() = code.getCode<void (*)()>();
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dump(code.getCode(), code.getSize());
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f();
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}
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