| 1 | #include <cstdint> |
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| 2 | |
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| 3 | int main() { |
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| 4 | constexpr uint64_t rax = 0x0102030405060708; |
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| 5 | constexpr uint64_t rbx = 0x1112131415161718; |
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| 6 | constexpr uint64_t rcx = 0x2122232425262728; |
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| 7 | constexpr uint64_t rdx = 0x3132333435363738; |
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| 8 | constexpr uint64_t rsp = 0x4142434445464748; |
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| 9 | constexpr uint64_t rbp = 0x5152535455565758; |
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| 10 | constexpr uint64_t rsi = 0x6162636465666768; |
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| 11 | constexpr uint64_t rdi = 0x7172737475767778; |
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| 12 | |
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| 13 | asm volatile( |
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| 14 | // save rsp & rbp |
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| 15 | "movq %%rsp, %%r8\n\t" |
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| 16 | "movq %%rbp, %%r9\n\t" |
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| 17 | "\n\t" |
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| 18 | "movq %4, %%rsp\n\t" |
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| 19 | "movq %5, %%rbp\n\t" |
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| 20 | "\n\t" |
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| 21 | "int3\n\t" |
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| 22 | "\n\t" |
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| 23 | // restore rsp & rbp |
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| 24 | "movq %%r8, %%rsp\n\t" |
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| 25 | "movq %%r9, %%rbp" |
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| 26 | : |
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| 27 | : "a" (rax), "b" (rbx), "c" (rcx), "d" (rdx), "i" (rsp), "i" (rbp), "S" (rsi), |
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| 28 | "D" (rdi) |
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| 29 | : "%r8" , "%r9" |
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| 30 | ); |
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| 31 | |
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| 32 | return 0; |
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| 33 | } |
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| 34 | |
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