ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请将以下的汇编代码转换成C语言代码：

```asm
<selectionSort>:
  endbr64
  lea    -0x1(%rsi),%r9
  test   %r9,%r9
  jle    L13
  xor    %ecx,%ecx
  nop
L11:
  mov    %rcx,%r8
  add    $0x1,%rcx
  cmp    %rcx,%rsi
  jle    L33
  mov    %r8,%rdx
  mov    %rcx,%rax
  nopw   0x0(%rax,%rax,1)
L49:
  mov    (%rdi,%rax,8),%r10
  cmp    %r10,(%rdi,%rdx,8)
  cmovg  %rax,%rdx
  add    $0x1,%rax
  cmp    %rax,%rsi
  jne    L49
  cmp    %r8,%rdx
  je     L33
  lea    (%rdi,%rdx,8),%rax
  mov    -0x8(%rdi,%rcx,8),%r8
  mov    (%rax),%rdx
  mov    %rdx,-0x8(%rdi,%rcx,8)
  mov    %r8,(%rax)
L33:
  cmp    %r9,%rcx
  jne    L11
L13:
  ret
```

assistant: ```c
void selectionSort(long array[], long n) {
  long i, j, index, temp;
  for (i = 0; i < (n - 1); i++) {
    index = i;
    for (j = i + 1; j < n; j++) {
      if (array[index] > array[j])
        index = j;
    }
    if (index != i) {
      temp = array[i];
      array[i] = array[index];
      array[index] = temp;
    }
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<selectionSort>:
  endbr64
  push   %r13
  lea    -0x1(%rsi),%r13
  push   %r12
  push   %rbp
  push   %rbx
  test   %r13,%r13
  jle    L23
  mov    %rdi,%rbx
  xor    %r11d,%r11d
  add    $0x8,%rdi
  nopl   (%rax)
L45:
  mov    %r11,%rbp
  add    $0x1,%r11
  cmp    %r11,%rsi
  jle    L9
  mov    -0x8(%rdi),%r12
  mov    %rdi,%rax
  mov    %rbp,%r10
  mov    %r11,%rdx
  mov    %r12,%r8
  jmp    L12
  xchg   %ax,%ax
L29:
  add    $0x1,%rdx
  lea    (%rbx,%r10,8),%r9
  add    $0x8,%rax
  cmp    %rsi,%rdx
  je     L5
L12:
  mov    (%rax),%rcx
  mov    %rax,%r9
  cmp    %r8,%rcx
  jge    L29
  mov    %rdx,%r10
  add    $0x1,%rdx
  mov    %rcx,%r8
  add    $0x8,%rax
  cmp    %rsi,%rdx
  jne    L12
L5:
  cmp    %rbp,%r10
  je     L9
  mov    %r8,-0x8(%rdi)
  mov    %r12,(%r9)
L9:
  add    $0x8,%rdi
  cmp    %r13,%r11
  jne    L45
L23:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void selectionSort(long array[], long n) {
  long i, j, index, temp;
  for (i = 0; i < (n - 1); i++) {
    index = i;
    for (j = i + 1; j < n; j++) {
      if (array[index] > array[j])
        index = j;
    }
    if (index != i) {
      temp = array[i];
      array[i] = array[index];
      array[index] = temp;
    }
  }
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<RandomFunc>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x28(%rbp),%rax
  mov    (%rax),%rax
  sub    $0x17447d68,%rax
  mov    %rax,-0x10(%rbp)
  movq   $0x0,-0x18(%rbp)
  jmp    L3
L37:
  addq   $0x1,-0x18(%rbp)
L3:
  mov    -0x28(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rax
  cmp    %rax,-0x18(%rbp)
  jb     L37
  movq   $0x0,-0x18(%rbp)
  jmp    L36
L23:
  mov    -0x18(%rbp),%rax
  mov    -0x10(%rbp,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  mov    -0x10(%rbp,%rax,8),%rax
  add    %rax,%rax
  shl    $0x4,%rax
  and    $0x1e0,%eax
  or     %rax,%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,-0x10(%rbp,%rax,8)
  addq   $0x1,-0x18(%rbp)
L36:
  mov    -0x28(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rax
  cmp    %rax,-0x18(%rbp)
  jb     L23
  mov    -0x10(%rbp),%rax
  rol    $0x9,%rax
  mov    %rax,%rdx
  mov    -0x30(%rbp),%rax
  mov    %rdx,(%rax)
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L42
  call   <__stack_chk_fail@plt>
L42:
  leave
  ret
```

assistant: ```c
void RandomFunc(unsigned long input[1], unsigned long output[1]) {
  unsigned long state[1];
  unsigned long local1;
  {
    state[0UL] = (input[0UL] - 51238316UL) - 339126204UL;
    local1 = 0UL;
    while (local1 < input[1UL]) {
      local1++;
    }
    local1 = 0UL;
    while (local1 < input[1UL]) {
      state[local1] |= ((state[local1] + state[local1]) & 31UL) << 4UL;
      local1++;
    }
    output[0UL] = (state[0UL] << 9UL) | (state[0UL] >> 55UL);
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<RandomFunc>:
  endbr64
  mov    (%rdi),%rax
  lea    -0x17447d68(%rax),%rdx
  mov    0x8(%rdi),%rdi
  test   %rdi,%rdi
  je     L8
  mov    $0x0,%eax
L6:
  add    $0x1,%rax
  cmp    %rdi,%rax
  jne    L6
  mov    $0x0,%ecx
L0:
  mov    %rdx,%rax
  shl    $0x5,%rax
  and    $0x1e0,%eax
  or     %rax,%rdx
  add    $0x1,%rcx
  cmp    %rdi,%rcx
  jne    L0
L8:
  rol    $0x9,%rdx
  mov    %rdx,(%rsi)
  ret
```

assistant: ```c
void RandomFunc(unsigned long input[1], unsigned long output[1]) {
  unsigned long state[1];
  unsigned long local1;
  {
    state[0UL] = (input[0UL] - 51238316UL) - 339126204UL;
    local1 = 0UL;
    while (local1 < input[1UL]) {
      local1++;
    }
    local1 = 0UL;
    while (local1 < input[1UL]) {
      state[local1] |= ((state[local1] + state[local1]) & 31UL) << 4UL;
      local1++;
    }
    output[0UL] = (state[0UL] << 9UL) | (state[0UL] >> 55UL);
  }
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<RandomFunc>:
  endbr64
  mov    (%rdi),%rax
  mov    0x8(%rdi),%rdi
  lea    -0x17447d68(%rax),%rdx
  test   %rdi,%rdi
  je     L10
  xor    %ecx,%ecx
  nopl   0x0(%rax)
L4:
  mov    %rdx,%rax
  add    $0x1,%rcx
  shl    $0x5,%rax
  and    $0x1e0,%eax
  or     %rax,%rdx
  cmp    %rdi,%rcx
  jne    L4
L10:
  rol    $0x9,%rdx
  mov    %rdx,(%rsi)
  ret
```

assistant: ```c
void RandomFunc(unsigned long input[1], unsigned long output[1]) {
  unsigned long state[1];
  unsigned long local1;
  {
    state[0UL] = (input[0UL] - 51238316UL) - 339126204UL;
    local1 = 0UL;
    while (local1 < input[1UL]) {
      local1++;
    }
    local1 = 0UL;
    while (local1 < input[1UL]) {
      state[local1] |= ((state[local1] + state[local1]) & 31UL) << 4UL;
      local1++;
    }
    output[0UL] = (state[0UL] << 9UL) | (state[0UL] >> 55UL);
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<RandomFunc>:
  endbr64
  mov    (%rdi),%rax
  mov    0x8(%rdi),%rdi
  lea    -0x17447d68(%rax),%rdx
  test   %rdi,%rdi
  je     L1
  xor    %ecx,%ecx
  nopl   0x0(%rax)
L16:
  mov    %rdx,%rax
  add    $0x1,%rcx
  shl    $0x5,%rax
  and    $0x1e0,%eax
  or     %rax,%rdx
  cmp    %rdi,%rcx
  jne    L16
L1:
  rol    $0x9,%rdx
  mov    %rdx,(%rsi)
  ret
```

assistant: ```c
void RandomFunc(unsigned long input[1], unsigned long output[1]) {
  unsigned long state[1];
  unsigned long local1;
  {
    state[0UL] = (input[0UL] - 51238316UL) - 339126204UL;
    local1 = 0UL;
    while (local1 < input[1UL]) {
      local1++;
    }
    local1 = 0UL;
    while (local1 < input[1UL]) {
      state[local1] |= ((state[local1] + state[local1]) & 31UL) << 4UL;
      local1++;
    }
    output[0UL] = (state[0UL] << 9UL) | (state[0UL] >> 55UL);
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<bytexor>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %rdx,-0x18(%rbp)
  mov    %ecx,-0x1c(%rbp)
  jmp    L17
L5:
  mov    -0x10(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  movzbl (%rax),%esi
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movzbl (%rax),%ecx
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  xor    %ecx,%esi
  mov    %esi,%edx
  mov    %dl,(%rax)
L17:
  mov    -0x1c(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,-0x1c(%rbp)
  test   %eax,%eax
  jg     L5
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void bytexor(unsigned char *dst, const unsigned char *a, const unsigned char *b, int bytelen) {
  while (bytelen-- > 0) {
    *dst++ = *a++ ^ *b++;
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<bytexor>:
  endbr64
  test   %ecx,%ecx
  jle    L8
  mov    %ecx,%ecx
  mov    $0x0,%eax
L9:
  movzbl (%rsi,%rax,1),%r8d
  xor    (%rdx,%rax,1),%r8b
  mov    %r8b,(%rdi,%rax,1)
  add    $0x1,%rax
  cmp    %rcx,%rax
  jne    L9
L8:
  ret
```

assistant: ```c
void bytexor(unsigned char *dst, const unsigned char *a, const unsigned char *b, int bytelen) {
  while (bytelen-- > 0) {
    *dst++ = *a++ ^ *b++;
  }
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<bytexor>:
  endbr64
  test   %ecx,%ecx
  jle    L18
  movslq %ecx,%rcx
  xor    %eax,%eax
  nopl   (%rax)
L17:
  movzbl (%rsi,%rax,1),%r8d
  xor    (%rdx,%rax,1),%r8b
  mov    %r8b,(%rdi,%rax,1)
  add    $0x1,%rax
  cmp    %rcx,%rax
  jne    L17
L18:
  ret
```

assistant: ```c
void bytexor(unsigned char *dst, const unsigned char *a, const unsigned char *b, int bytelen) {
  while (bytelen-- > 0) {
    *dst++ = *a++ ^ *b++;
  }
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<bytexor>:
  endbr64
  mov    %rdx,%r8
  movslq %ecx,%rdx
  test   %edx,%edx
  jle    L12
  lea    0x1(%rsi),%r9
  mov    %rdi,%rax
  lea    0x1(%r8),%r10
  sub    %r9,%rax
  cmp    $0xe,%rax
  mov    %rdi,%rax
  seta   %r9b
  sub    %r10,%rax
  cmp    $0xe,%rax
  seta   %al
  test   %al,%r9b
  je     L3
  lea    -0x1(%rdx),%ecx
  cmp    $0x6,%ecx
  jbe    L3
  cmp    $0xe,%ecx
  jbe    L127
  mov    %edx,%r9d
  xor    %eax,%eax
  shr    $0x4,%r9d
  shl    $0x4,%r9
L69:
  movdqu (%rsi,%rax,1),%xmm0
  movdqu (%r8,%rax,1),%xmm2
  pxor   %xmm2,%xmm0
  movups %xmm0,(%rdi,%rax,1)
  add    $0x10,%rax
  cmp    %r9,%rax
  jne    L69
  mov    %edx,%eax
  and    $0xfffffff0,%eax
  mov    %eax,%r9d
  sub    %eax,%ecx
  lea    (%rdi,%r9,1),%r10
  lea    (%rsi,%r9,1),%r11
  add    %r8,%r9
  cmp    %eax,%edx
  je     L1
L146:
  sub    %eax,%edx
  push   %rbx
  lea    -0x1(%rdx),%ebx
  cmp    $0x6,%ebx
  jbe    L131
  movq   (%rsi,%rax,1),%xmm0
  movq   (%r8,%rax,1),%xmm1
  pxor   %xmm1,%xmm0
  movq   %xmm0,(%rdi,%rax,1)
  mov    %edx,%eax
  and    $0xfffffff8,%eax
  mov    %eax,%esi
  sub    %eax,%ecx
  add    %rsi,%r10
  add    %rsi,%r11
  add    %rsi,%r9
  cmp    %eax,%edx
  je     L97
L131:
  movzbl (%r11),%eax
  xor    (%r9),%al
  mov    %al,(%r10)
  test   %ecx,%ecx
  jle    L97
  movzbl 0x1(%r11),%eax
  xor    0x1(%r9),%al
  mov    %al,0x1(%r10)
  cmp    $0x1,%ecx
  jle    L97
  movzbl 0x2(%r11),%eax
  xor    0x2(%r9),%al
  mov    %al,0x2(%r10)
  cmp    $0x2,%ecx
  jle    L97
  movzbl 0x3(%r11),%eax
  xor    0x3(%r9),%al
  mov    %al,0x3(%r10)
  cmp    $0x3,%ecx
  jle    L97
  movzbl 0x4(%r11),%eax
  xor    0x4(%r9),%al
  mov    %al,0x4(%r10)
  cmp    $0x4,%ecx
  jle    L97
  movzbl 0x5(%r11),%eax
  xor    0x5(%r9),%al
  mov    %al,0x5(%r10)
  cmp    $0x5,%ecx
  jle    L97
  movzbl 0x6(%r11),%eax
  xor    0x6(%r9),%al
  mov    %al,0x6(%r10)
L97:
  pop    %rbx
  ret
  nopl   (%rax)
L3:
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L125:
  movzbl (%rsi,%rax,1),%ecx
  xor    (%r8,%rax,1),%cl
  mov    %cl,(%rdi,%rax,1)
  add    $0x1,%rax
  cmp    %rdx,%rax
  jne    L125
  ret
L127:
  mov    %r8,%r9
  mov    %rsi,%r11
  mov    %rdi,%r10
  xor    %eax,%eax
  jmp    L146
  nopl   (%rax)
L12:
  ret
L1:
  ret
```

assistant: ```c
void bytexor(unsigned char *dst, const unsigned char *a, const unsigned char *b, int bytelen) {
  while (bytelen-- > 0) {
    *dst++ = *a++ ^ *b++;
  }
}
```
user: What is the c source code of the assembly code below?

```asm
<xrop3_157_0_1>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,%edx
  mov    %esi,%eax
  mov    %dl,-0x24(%rbp)
  mov    %al,-0x28(%rbp)
  movl   $0xff,-0x18(%rbp)
  movzbl -0x24(%rbp),%eax
  shl    $0x8,%eax
  mov    %eax,%edx
  movzbl -0x24(%rbp),%eax
  or     %edx,%eax
  mov    %eax,-0x14(%rbp)
  movzbl -0x28(%rbp),%eax
  shl    $0x8,%eax
  mov    %eax,%edx
  movzbl -0x28(%rbp),%eax
  or     %edx,%eax
  mov    %eax,-0x10(%rbp)
  mov    -0x10(%rbp),%eax
  or     -0x18(%rbp),%eax
  mov    %eax,-0xc(%rbp)
  mov    -0x14(%rbp),%eax
  and    -0xc(%rbp),%eax
  mov    %eax,-0x8(%rbp)
  mov    -0x18(%rbp),%eax
  xor    -0x8(%rbp),%eax
  mov    %eax,-0x4(%rbp)
  notl   -0x4(%rbp)
  mov    -0x10(%rbp),%eax
  not    %eax
  or     -0x14(%rbp),%eax
  and    -0x4(%rbp),%eax
  mov    %eax,%edx
  mov    -0x14(%rbp),%eax
  not    %eax
  and    -0x10(%rbp),%eax
  and    -0x18(%rbp),%eax
  or     %edx,%eax
  pop    %rbp
  ret
```

assistant: ```c
unsigned xrop3_157_0_1(unsigned char s, unsigned char t) {
  unsigned D = 0x00ff;
  unsigned S = ((unsigned)s << 8) | s;
  unsigned T = ((unsigned)t << 8) | t;
  unsigned stk1;
  unsigned stk2;
  unsigned stk3;
  stk3 = T | D;
  stk2 = S & stk3;
  stk1 = D ^ stk2;
  stk1 = ~stk1;
  return (stk1 & S) | (stk1 & (~T)) | (T & (~S) & D);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<xrop3_157_0_1>:
  endbr64
  movzbl %dil,%eax
  mov    %eax,%edi
  shl    $0x8,%edi
  or     %eax,%edi
  movzbl %sil,%esi
  mov    %esi,%eax
  shl    $0x8,%eax
  or     %eax,%esi
  or     $0xff,%al
  and    %edi,%eax
  xor    $0xffffff00,%eax
  mov    %esi,%edx
  not    %edx
  or     %edi,%edx
  and    %edx,%eax
  not    %edi
  and    %esi,%edi
  movzbl %dil,%edi
  or     %edi,%eax
  ret
```

assistant: ```c
unsigned xrop3_157_0_1(unsigned char s, unsigned char t) {
  unsigned D = 0x00ff;
  unsigned S = ((unsigned)s << 8) | s;
  unsigned T = ((unsigned)t << 8) | t;
  unsigned stk1;
  unsigned stk2;
  unsigned stk3;
  stk3 = T | D;
  stk2 = S & stk3;
  stk1 = D ^ stk2;
  stk1 = ~stk1;
  return (stk1 & S) | (stk1 & (~T)) | (T & (~S) & D);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<xrop3_157_0_1>:
  endbr64
  movzbl %dil,%eax
  movzbl %sil,%esi
  mov    %eax,%edi
  shl    $0x8,%edi
  or     %eax,%edi
  mov    %esi,%eax
  shl    $0x8,%eax
  or     %eax,%esi
  or     $0xff,%al
  mov    %esi,%edx
  and    %edi,%eax
  not    %edx
  xor    $0xffffff00,%eax
  or     %edi,%edx
  not    %edi
  and    %esi,%edi
  and    %edx,%eax
  movzbl %dil,%edi
  or     %edi,%eax
  ret
```

assistant: ```c
unsigned xrop3_157_0_1(unsigned char s, unsigned char t) {
  unsigned D = 0x00ff;
  unsigned S = ((unsigned)s << 8) | s;
  unsigned T = ((unsigned)t << 8) | t;
  unsigned stk1;
  unsigned stk2;
  unsigned stk3;
  stk3 = T | D;
  stk2 = S & stk3;
  stk1 = D ^ stk2;
  stk1 = ~stk1;
  return (stk1 & S) | (stk1 & (~T)) | (T & (~S) & D);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<xrop3_157_0_1>:
  endbr64
  movzbl %dil,%eax
  movzbl %sil,%esi
  mov    %eax,%edi
  shl    $0x8,%edi
  or     %eax,%edi
  mov    %esi,%eax
  shl    $0x8,%eax
  or     %eax,%esi
  or     $0xff,%al
  mov    %esi,%edx
  and    %edi,%eax
  not    %edx
  xor    $0xffffff00,%eax
  or     %edi,%edx
  not    %edi
  and    %esi,%edi
  and    %edx,%eax
  movzbl %dil,%edi
  or     %edi,%eax
  ret
```

assistant: ```c
unsigned xrop3_157_0_1(unsigned char s, unsigned char t) {
  unsigned D = 0x00ff;
  unsigned S = ((unsigned)s << 8) | s;
  unsigned T = ((unsigned)t << 8) | t;
  unsigned stk1;
  unsigned stk2;
  unsigned stk3;
  stk3 = T | D;
  stk2 = S & stk3;
  stk1 = D ^ stk2;
  stk1 = ~stk1;
  return (stk1 & S) | (stk1 & (~T)) | (T & (~S) & D);
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<timestamp_now>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x20(%rbp),%rax
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <gettimeofday@plt>
  mov    -0x18(%rbp),%rax
  imul   $0xf4240,%eax,%edx
  mov    -0x20(%rbp),%eax
  add    %edx,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L1
  call   <__stack_chk_fail@plt>
L1:
  leave
  ret
```

assistant: ```c
int64_t timestamp_now() {
  struct timeval tv;
  gettimeofday(&tv, NULL);
  return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<timestamp_now>:
  endbr64
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  mov    $0x0,%esi
  call   <gettimeofday@plt>
  imul   $0xf4240,0x8(%rsp),%eax
  add    (%rsp),%eax
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L2
  add    $0x28,%rsp
  ret
L2:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int64_t timestamp_now() {
  struct timeval tv;
  gettimeofday(&tv, NULL);
  return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<timestamp_now>:
  endbr64
  sub    $0x28,%rsp
  xor    %esi,%esi
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  call   <gettimeofday@plt>
  imul   $0xf4240,0x8(%rsp),%eax
  add    (%rsp),%eax
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L7
  add    $0x28,%rsp
  ret
L7:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int64_t timestamp_now() {
  struct timeval tv;
  gettimeofday(&tv, NULL);
  return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<timestamp_now>:
  endbr64
  sub    $0x28,%rsp
  xor    %esi,%esi
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  call   <gettimeofday@plt>
  imul   $0xf4240,0x8(%rsp),%eax
  add    (%rsp),%eax
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L5
  add    $0x28,%rsp
  ret
L5:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int64_t timestamp_now() {
  struct timeval tv;
  gettimeofday(&tv, NULL);
  return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<vmachineInit>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    $0x0,%eax
  call   <vcpuInit@plt>
  mov    $0x0,%eax
  call   <vfddInit@plt>
  mov    $0x0,%eax
  call   <vhddInit@plt>
  mov    $0x0,%eax
  call   <vbiosInit@plt>
  mov    $0x0,%eax
  call   <vvadpInit@plt>
  mov    $0x0,%eax
  call   <vportInit@plt>
  mov    $0x0,%eax
  call   <vcmosInit@plt>
  mov    $0x0,%eax
  call   <vkbcInit@plt>
  mov    $0x0,%eax
  call   <vdmaInit@plt>
  mov    $0x0,%eax
  call   <vfdcInit@plt>
  mov    $0x0,%eax
  call   <vhdcInit@plt>
  mov    $0x0,%eax
  call   <vpitInit@plt>
  mov    $0x0,%eax
  call   <vpicInit@plt>
  mov    $0x0,%eax
  call   <vramInit@plt>
  mov    $0x0,%eax
  call   <qdxInit@plt>
  nop
  pop    %rbp
  ret
```

assistant: ```c
void vmachineInit() {
  vcpuInit();
  vfddInit();
  vhddInit();
  vbiosInit();
  vvadpInit();

  vportInit();
  vcmosInit();

  vkbcInit();

  vdmaInit();

  vfdcInit();

  vhdcInit();

  vpitInit();

  vpicInit();

  vramInit();

  qdxInit();
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<vmachineInit>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <vcpuInit@plt>
  mov    $0x0,%eax
  call   <vfddInit@plt>
  mov    $0x0,%eax
  call   <vhddInit@plt>
  mov    $0x0,%eax
  call   <vbiosInit@plt>
  mov    $0x0,%eax
  call   <vvadpInit@plt>
  mov    $0x0,%eax
  call   <vportInit@plt>
  mov    $0x0,%eax
  call   <vcmosInit@plt>
  mov    $0x0,%eax
  call   <vkbcInit@plt>
  mov    $0x0,%eax
  call   <vdmaInit@plt>
  mov    $0x0,%eax
  call   <vfdcInit@plt>
  mov    $0x0,%eax
  call   <vhdcInit@plt>
  mov    $0x0,%eax
  call   <vpitInit@plt>
  mov    $0x0,%eax
  call   <vpicInit@plt>
  mov    $0x0,%eax
  call   <vramInit@plt>
  mov    $0x0,%eax
  call   <qdxInit@plt>
  add    $0x8,%rsp
  ret
```

assistant: ```c
void vmachineInit() {
  vcpuInit();
  vfddInit();
  vhddInit();
  vbiosInit();
  vvadpInit();

  vportInit();
  vcmosInit();

  vkbcInit();

  vdmaInit();

  vfdcInit();

  vhdcInit();

  vpitInit();

  vpicInit();

  vramInit();

  qdxInit();
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<vmachineInit>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <vcpuInit@plt>
  xor    %eax,%eax
  call   <vfddInit@plt>
  xor    %eax,%eax
  call   <vhddInit@plt>
  xor    %eax,%eax
  call   <vbiosInit@plt>
  xor    %eax,%eax
  call   <vvadpInit@plt>
  xor    %eax,%eax
  call   <vportInit@plt>
  xor    %eax,%eax
  call   <vcmosInit@plt>
  xor    %eax,%eax
  call   <vkbcInit@plt>
  xor    %eax,%eax
  call   <vdmaInit@plt>
  xor    %eax,%eax
  call   <vfdcInit@plt>
  xor    %eax,%eax
  call   <vhdcInit@plt>
  xor    %eax,%eax
  call   <vpitInit@plt>
  xor    %eax,%eax
  call   <vpicInit@plt>
  xor    %eax,%eax
  call   <vramInit@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  jmp    11f0 <qdxInit@plt>
```

assistant: ```c
void vmachineInit() {
  vcpuInit();
  vfddInit();
  vhddInit();
  vbiosInit();
  vvadpInit();

  vportInit();
  vcmosInit();

  vkbcInit();

  vdmaInit();

  vfdcInit();

  vhdcInit();

  vpitInit();

  vpicInit();

  vramInit();

  qdxInit();
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<vmachineInit>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <vcpuInit@plt>
  xor    %eax,%eax
  call   <vfddInit@plt>
  xor    %eax,%eax
  call   <vhddInit@plt>
  xor    %eax,%eax
  call   <vbiosInit@plt>
  xor    %eax,%eax
  call   <vvadpInit@plt>
  xor    %eax,%eax
  call   <vportInit@plt>
  xor    %eax,%eax
  call   <vcmosInit@plt>
  xor    %eax,%eax
  call   <vkbcInit@plt>
  xor    %eax,%eax
  call   <vdmaInit@plt>
  xor    %eax,%eax
  call   <vfdcInit@plt>
  xor    %eax,%eax
  call   <vhdcInit@plt>
  xor    %eax,%eax
  call   <vpitInit@plt>
  xor    %eax,%eax
  call   <vpicInit@plt>
  xor    %eax,%eax
  call   <vramInit@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  jmp    11f0 <qdxInit@plt>
```

assistant: ```c
void vmachineInit() {
  vcpuInit();
  vfddInit();
  vhddInit();
  vbiosInit();
  vvadpInit();

  vportInit();
  vcmosInit();

  vkbcInit();

  vdmaInit();

  vfdcInit();

  vhdcInit();

  vpitInit();

  vpicInit();

  vramInit();

  qdxInit();
}
```
user: What is the c source code of the assembly code below?

```asm
<htonll>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %edi,-0x14(%rbp)
  mov    $0x0,%eax
  call   <is_big_endian@plt>
  test   %rax,%rax
  je     L17
  mov    -0x14(%rbp),%eax
  jmp    L8
L17:
  mov    -0x14(%rbp),%eax
  mov    %eax,%edi
  call   <htonl@plt>
  mov    $0x20,%edx
  mov    %edx,%ecx
  shl    %cl,%eax
  mov    %eax,%ebx
  mov    $0x20,%edx
  mov    -0x14(%rbp),%eax
  mov    %edx,%ecx
  sar    %cl,%eax
  mov    %eax,%edi
  call   <htonl@plt>
  or     %ebx,%eax
L8:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
uint64_t htonll(uint64_t hostlong) {
  if (is_big_endian())
    return hostlong;
  else
    return ((uint64_t)htonl(hostlong & 0xFFFFFFFF) << 32 | htonl(hostlong >> 32));
}
```
user: What is the c source code of the assembly code below?

```asm
<htonll>:
  endbr64
  push   %rbx
  mov    %edi,%ebx
  mov    $0x0,%eax
  call   <is_big_endian@plt>
  test   %rax,%rax
  je     L7
L2:
  mov    %ebx,%eax
  pop    %rbx
  ret
L7:
  mov    %ebx,%edi
  call   <htonl@plt>
  mov    $0x20,%ecx
  sar    %cl,%ebx
  mov    %ebx,%edi
  call   <htonl@plt>
  mov    %eax,%ebx
  jmp    L2
```

assistant: ```c
uint64_t htonll(uint64_t hostlong) {
  if (is_big_endian())
    return hostlong;
  else
    return ((uint64_t)htonl(hostlong & 0xFFFFFFFF) << 32 | htonl(hostlong >> 32));
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<htonll>:
  endbr64
  push   %r12
  xor    %eax,%eax
  mov    %edi,%r12d
  call   <is_big_endian@plt>
  test   %rax,%rax
  je     L1
  mov    %r12d,%eax
  pop    %r12
  ret
  nopl   0x0(%rax,%rax,1)
L1:
  mov    %r12d,%edi
  call   <htonl@plt>
  mov    %r12d,%edi
  mov    $0x20,%ecx
  pop    %r12
  sar    %cl,%edi
  jmp    1060 <htonl@plt>
```

assistant: ```c
uint64_t htonll(uint64_t hostlong) {
  if (is_big_endian())
    return hostlong;
  else
    return ((uint64_t)htonl(hostlong & 0xFFFFFFFF) << 32 | htonl(hostlong >> 32));
}
```
user: What is the c source code of the assembly code below:

```asm
<htonll>:
  endbr64
  push   %r12
  xor    %eax,%eax
  mov    %edi,%r12d
  call   <is_big_endian@plt>
  test   %rax,%rax
  je     L1
  mov    %r12d,%eax
  pop    %r12
  ret
  nopl   0x0(%rax,%rax,1)
L1:
  mov    %r12d,%edi
  call   <htonl@plt>
  mov    %r12d,%edi
  mov    $0x20,%ecx
  pop    %r12
  sar    %cl,%edi
  jmp    1060 <htonl@plt>
```

assistant: ```c
uint64_t htonll(uint64_t hostlong) {
  if (is_big_endian())
    return hostlong;
  else
    return ((uint64_t)htonl(hostlong & 0xFFFFFFFF) << 32 | htonl(hostlong >> 32));
}
```