ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Demonstrate the C code that generates the assembly output below:

```asm
<find_empty_pos_since>:
  endbr64
  mov    %rsi,%r10
  mov    %rdx,%r9
  mov    (%rdx),%esi
  mov    (%r10),%r8d
  cmp    $0x8,%r8d
  jg     L353
  movslq %r8d,%rax
  mov    %r8d,%ecx
  lea    (%rax,%rax,4),%rdx
  lea    (%rax,%rdx,2),%rax
  lea    (%rdi,%rax,1),%rdx
L71:
  cmp    %ecx,%r8d
  jge    L159
  cmpb   $0x30,(%rdx)
  je     L314
  cmpb   $0x30,0x1(%rdx)
  je     L326
  xor    %esi,%esi
  mov    $0x2,%eax
L127:
  movslq %eax,%rdi
  cmpb   $0x30,(%rdx,%rdi,1)
  je     L354
  lea    0x1(%rax),%edi
  cmp    $0x8,%eax
  je     L184
  movslq %edi,%r11
  cmpb   $0x30,(%rdx,%r11,1)
  je     L202
  lea    0x2(%rax),%edi
  cmp    $0x7,%eax
  je     L184
  movslq %edi,%r11
  cmpb   $0x30,(%rdx,%r11,1)
  je     L202
  lea    0x3(%rax),%edi
  cmp    $0x6,%eax
  je     L184
  movslq %edi,%r11
  cmpb   $0x30,(%rdx,%r11,1)
  je     L202
  lea    0x4(%rax),%edi
  cmp    $0x5,%eax
  je     L184
  movslq %edi,%r11
  cmpb   $0x30,(%rdx,%r11,1)
  je     L202
  lea    0x5(%rax),%edi
  cmp    $0x4,%eax
  je     L184
  movslq %edi,%r11
  cmpb   $0x30,(%rdx,%r11,1)
  je     L202
  lea    0x6(%rax),%edi
  cmp    $0x3,%eax
  je     L184
  movslq %edi,%r11
  cmpb   $0x30,(%rdx,%r11,1)
  je     L202
  lea    0x7(%rax),%edi
  cmp    $0x2,%eax
  je     L184
  movslq %edi,%r11
  cmpb   $0x30,(%rdx,%r11,1)
  je     L202
  lea    0x8(%rax),%edi
  cmp    $0x1,%eax
  je     L184
  movslq %edi,%r11
  cmpb   $0x30,(%rdx,%r11,1)
  je     L202
  lea    0x9(%rax),%edi
  test   %eax,%eax
  je     L184
  movslq %edi,%r11
  cmpb   $0x30,(%rdx,%r11,1)
  je     L202
  cmp    $0xffffffff,%eax
  je     L184
  lea    0xc(%rsi),%edi
  movslq %edi,%rdi
  jmp    L339
  nopl   (%rax)
L171:
  lea    0x1(%rdi),%esi
  add    $0x1,%rdi
  cmp    $0x8,%edi
  jg     L45
L339:
  cmpb   $0x30,(%rdx,%rdi,1)
  mov    %edi,%eax
  jne    L171
  jmp    L354
  xchg   %ax,%ax
L159:
  cmp    $0x8,%esi
  jg     L45
  movslq %esi,%rax
  cmpb   $0x30,(%rdx,%rax,1)
  je     L59
  lea    0x1(%rsi),%eax
  cmp    $0x8,%esi
  je     L184
  movslq %eax,%rdi
  cmpb   $0x30,(%rdx,%rdi,1)
  je     L354
  lea    0x2(%rsi),%eax
  cmp    $0x7,%esi
  jne    L127
  nopl   0x0(%rax,%rax,1)
L184:
  mov    $0x9,%esi
L45:
  add    $0x1,%ecx
  add    $0xb,%rdx
  cmp    $0x9,%ecx
  jne    L71
L353:
  xor    %eax,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L202:
  mov    %edi,%eax
L354:
  mov    %ecx,(%r10)
  mov    %eax,(%r9)
  mov    $0x1,%eax
  ret
L314:
  xor    %eax,%eax
  jmp    L354
L326:
  mov    $0x1,%eax
  jmp    L354
L59:
  mov    %esi,%eax
  jmp    L354
```

assistant: ```c
int find_empty_pos_since(char board[][11], int *row, int *col) {
  int x = *col, y = *row;
  for (; y < 9; ++y) {
    if (y > *row)
      x = 0;
    for (; x < 9; ++x)
      if (board[y][x] == '0')
        goto found;
  }
found:;
  if (x < 9 && y < 9) {
    *row = y;
    *col = x;
    return 1;
  }
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<get_max_value>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  movl   $0xabf41c00,-0x4(%rbp)
  movl   $0x0,-0x8(%rbp)
  jmp    L18
L12:
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  cmp    %eax,-0x4(%rbp)
  jge    L5
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    %eax,-0x4(%rbp)
L5:
  addl   $0x1,-0x8(%rbp)
L18:
  mov    -0x8(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jl     L12
  mov    -0x4(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int get_max_value(int *array, int size_array) {
  int i;
  int max_val = -10000000000;
  for (i = 0; i < size_array; i++) {
    if (array[i] > max_val) {
      max_val = array[i];
    }
  }
  return max_val;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<get_max_value>:
  endbr64
  test   %esi,%esi
  jle    L21
  mov    %rdi,%rax
  lea    -0x1(%rsi),%edx
  lea    0x4(%rdi,%rdx,4),%rsi
  mov    $0xabf41c00,%edx
L17:
  mov    (%rax),%ecx
  cmp    %ecx,%edx
  cmovl  %ecx,%edx
  add    $0x4,%rax
  cmp    %rsi,%rax
  jne    L17
L20:
  mov    %edx,%eax
  ret
L21:
  mov    $0xabf41c00,%edx
  jmp    L20
```

assistant: ```c
int get_max_value(int *array, int size_array) {
  int i;
  int max_val = -10000000000;
  for (i = 0; i < size_array; i++) {
    if (array[i] > max_val) {
      max_val = array[i];
    }
  }
  return max_val;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<get_max_value>:
  endbr64
  test   %esi,%esi
  jle    L15
  lea    -0x1(%rsi),%eax
  lea    0x4(%rdi,%rax,4),%rcx
  mov    $0xabf41c00,%eax
  nopl   (%rax)
L5:
  mov    (%rdi),%edx
  cmp    %edx,%eax
  cmovl  %edx,%eax
  add    $0x4,%rdi
  cmp    %rcx,%rdi
  jne    L5
  ret
  nopl   0x0(%rax)
L15:
  mov    $0xabf41c00,%eax
  ret
```

assistant: ```c
int get_max_value(int *array, int size_array) {
  int i;
  int max_val = -10000000000;
  for (i = 0; i < size_array; i++) {
    if (array[i] > max_val) {
      max_val = array[i];
    }
  }
  return max_val;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<get_max_value>:
  endbr64
  mov    %esi,%edx
  test   %esi,%esi
  jle    L5
  lea    -0x1(%rsi),%eax
  cmp    $0x2,%eax
  jbe    L50
  mov    %esi,%ecx
  movdqa D6(%rip),%xmm2
  mov    %rdi,%rax
  shr    $0x2,%ecx
  sub    $0x1,%ecx
  shl    $0x4,%rcx
  lea    0x10(%rdi,%rcx,1),%rcx
  cs nopw 0x0(%rax,%rax,1)
L62:
  movdqu (%rax),%xmm0
  add    $0x10,%rax
  movdqa %xmm0,%xmm1
  pcmpgtd %xmm2,%xmm1
  pand   %xmm1,%xmm0
  pandn  %xmm2,%xmm1
  movdqa %xmm1,%xmm2
  por    %xmm0,%xmm2
  cmp    %rcx,%rax
  jne    L62
  movdqa %xmm2,%xmm0
  mov    %edx,%ecx
  psrldq $0x8,%xmm0
  and    $0xfffffffc,%ecx
  movdqa %xmm0,%xmm1
  pcmpgtd %xmm2,%xmm1
  pand   %xmm1,%xmm0
  pandn  %xmm2,%xmm1
  por    %xmm0,%xmm1
  movdqa %xmm1,%xmm2
  psrldq $0x4,%xmm2
  movdqa %xmm2,%xmm0
  pcmpgtd %xmm1,%xmm0
  pand   %xmm0,%xmm2
  pandn  %xmm1,%xmm0
  por    %xmm2,%xmm0
  movd   %xmm0,%eax
  test   $0x3,%dl
  je     L56
L48:
  movslq %ecx,%rsi
  lea    0x0(,%rsi,4),%r8
  mov    (%rdi,%rsi,4),%esi
  cmp    %esi,%eax
  cmovl  %esi,%eax
  lea    0x1(%rcx),%esi
  cmp    %esi,%edx
  jle    L28
  mov    0x4(%rdi,%r8,1),%esi
  cmp    %esi,%eax
  cmovl  %esi,%eax
  add    $0x2,%ecx
  cmp    %ecx,%edx
  jle    L28
  mov    0x8(%rdi,%r8,1),%edx
  cmp    %edx,%eax
  cmovl  %edx,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L5:
  mov    $0xabf41c00,%eax
L28:
  ret
  xchg   %ax,%ax
L56:
  ret
L50:
  mov    $0xabf41c00,%eax
  xor    %ecx,%ecx
  jmp    L48
```

tool_calls: name: read_data
arguments: tag: D6
datatype: byte[16]

tool: {"D6": [0x00,0x1c,0xf4,0xab,0x00,0x1c,0xf4,0xab,0x00,0x1c,0xf4,0xab,0x00,0x1c,0xf4,0xab]}

assistant: ```c
int get_max_value(int *array, int size_array) {
  int i;
  int max_val = -10000000000;
  for (i = 0; i < size_array; i++) {
    if (array[i] > max_val) {
      max_val = array[i];
    }
  }
  return max_val;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<argv_count>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  movl   $0x0,-0x4(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  setne  %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  jmp    L4
L0:
  addl   $0x1,-0x4(%rbp)
L4:
  mov    -0x18(%rbp),%rax
  lea    0x8(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  mov    (%rax),%rax
  test   %rax,%rax
  jne    L0
  mov    -0x4(%rbp),%eax
  cltq
  leave
  ret
```

assistant: ```c
size_t argv_count(char **argv) {
  int cnt = 0;
  assert(argv != NULL);
  while (*argv++)
    cnt++;
  return cnt;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<argv_count>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  test   %rdi,%rdi
  setne  %dil
  movzbl %dil,%edi
  call   <assert@plt>
  cmpq   $0x0,(%rbx)
  je     L5
  lea    0x8(%rbx),%rdx
  mov    $0x0,%eax
L15:
  add    $0x1,%eax
  add    $0x8,%rdx
  cmpq   $0x0,-0x8(%rdx)
  jne    L15
L18:
  cltq
  pop    %rbx
  ret
L5:
  mov    $0x0,%eax
  jmp    L18
```

assistant: ```c
size_t argv_count(char **argv) {
  int cnt = 0;
  assert(argv != NULL);
  while (*argv++)
    cnt++;
  return cnt;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<argv_count>:
  endbr64
  test   %rdi,%rdi
  push   %rbx
  mov    %rdi,%rbx
  setne  %dil
  movzbl %dil,%edi
  call   <assert@plt>
  cmpq   $0x0,(%rbx)
  je     L5
  lea    0x8(%rbx),%rdx
  xor    %eax,%eax
  nopl   0x0(%rax)
L11:
  add    $0x8,%rdx
  add    $0x1,%eax
  cmpq   $0x0,-0x8(%rdx)
  jne    L11
  cltq
  pop    %rbx
  ret
  nopw   0x0(%rax,%rax,1)
L5:
  xor    %eax,%eax
  pop    %rbx
  ret
```

assistant: ```c
size_t argv_count(char **argv) {
  int cnt = 0;
  assert(argv != NULL);
  while (*argv++)
    cnt++;
  return cnt;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<argv_count>:
  endbr64
  test   %rdi,%rdi
  push   %rbx
  mov    %rdi,%rbx
  setne  %dil
  movzbl %dil,%edi
  call   <assert@plt>
  cmpq   $0x0,(%rbx)
  je     L12
  lea    0x8(%rbx),%rdx
  xor    %eax,%eax
  nopl   0x0(%rax)
L7:
  add    $0x8,%rdx
  add    $0x1,%eax
  cmpq   $0x0,-0x8(%rdx)
  jne    L7
  cltq
  pop    %rbx
  ret
  nopw   0x0(%rax,%rax,1)
L12:
  xor    %eax,%eax
  pop    %rbx
  ret
```

assistant: ```c
size_t argv_count(char **argv) {
  int cnt = 0;
  assert(argv != NULL);
  while (*argv++)
    cnt++;
  return cnt;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<foo>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  mov    -0x14(%rbp),%eax
  sub    $0x4,%eax
  mov    %eax,-0x4(%rbp)
  cmpl   $0x3,-0x14(%rbp)
  jg     L9
  mov    -0x4(%rbp),%eax
  jmp    L6
L9:
  mov    $0x0,%eax
L6:
  pop    %rbp
  ret
```

assistant: ```c
int foo(int a, int b) {
  int x = a - 4;
  if (a < 4)
    return x;
  else
    return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<foo>:
  endbr64
  lea    -0x4(%rdi),%eax
  cmp    $0x4,%edi
  mov    $0x0,%edx
  cmovge %edx,%eax
  ret
```

assistant: ```c
int foo(int a, int b) {
  int x = a - 4;
  if (a < 4)
    return x;
  else
    return 0;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<foo>:
  endbr64
  xor    %edx,%edx
  lea    -0x4(%rdi),%eax
  cmp    $0x4,%edi
  cmovge %edx,%eax
  ret
```

assistant: ```c
int foo(int a, int b) {
  int x = a - 4;
  if (a < 4)
    return x;
  else
    return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<foo>:
  endbr64
  xor    %edx,%edx
  lea    -0x4(%rdi),%eax
  cmp    $0x4,%edi
  cmovge %edx,%eax
  ret
```

assistant: ```c
int foo(int a, int b) {
  int x = a - 4;
  if (a < 4)
    return x;
  else
    return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<string_encode_base64>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x20(%rbp)
  mov    -0x38(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  jmp    L6
L53:
  mov    -0x18(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <string_convbase64_8x3_to_6x4@plt>
  addq   $0x3,-0x20(%rbp)
  addq   $0x4,-0x18(%rbp)
  subl   $0x3,-0x2c(%rbp)
L6:
  cmpl   $0x2,-0x2c(%rbp)
  jg     L53
  cmpl   $0x0,-0x2c(%rbp)
  jle    L82
  movw   $0x0,-0xb(%rbp)
  movb   $0x0,-0x9(%rbp)
  cmpl   $0x1,-0x2c(%rbp)
  je     L85
  cmpl   $0x2,-0x2c(%rbp)
  je     L88
  jmp    L60
L85:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,-0xb(%rbp)
  mov    -0x18(%rbp),%rdx
  lea    -0xb(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <string_convbase64_8x3_to_6x4@plt>
  mov    -0x18(%rbp),%rax
  add    $0x3,%rax
  movb   $0x3d,(%rax)
  mov    -0x18(%rbp),%rdx
  add    $0x2,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  jmp    L60
L88:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,-0xb(%rbp)
  mov    -0x20(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  mov    %al,-0xa(%rbp)
  mov    -0x18(%rbp),%rdx
  lea    -0xb(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <string_convbase64_8x3_to_6x4@plt>
  mov    -0x18(%rbp),%rax
  add    $0x3,%rax
  movb   $0x3d,(%rax)
  nop
L60:
  mov    -0x18(%rbp),%rax
  add    $0x4,%rax
  movb   $0x0,(%rax)
  jmp    L66
L82:
  mov    -0x18(%rbp),%rax
  movb   $0x0,(%rax)
L66:
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L36
  call   <__stack_chk_fail@plt>
L36:
  leave
  ret
```

assistant: ```c
void string_encode_base64(const char *from, int length, char *to) {
  const char *ptr_from;
  char *ptr_to;
  ptr_from = from;
  ptr_to = to;
  while (length >= 3) {
    string_convbase64_8x3_to_6x4(ptr_from, ptr_to);
    ptr_from += 3 * sizeof(*ptr_from);
    ptr_to += 4 * sizeof(*ptr_to);
    length -= 3;
  }
  if (length > 0) {
    char rest[3] = {0, 0, 0};
    switch (length) {
    case 1:
      rest[0] = ptr_from[0];
      string_convbase64_8x3_to_6x4(rest, ptr_to);
      ptr_to[2] = ptr_to[3] = '=';
      break;
    case 2:
      rest[0] = ptr_from[0];
      rest[1] = ptr_from[1];
      string_convbase64_8x3_to_6x4(rest, ptr_to);
      ptr_to[3] = '=';
      break;
    }
    ptr_to[4] = 0;
  } else
    ptr_to[0] = '\0';
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<string_encode_base64>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x10,%rsp
  mov    %rdi,%r12
  mov    %esi,%ebx
  mov    %rdx,%rbp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  cmp    $0x2,%esi
  jle    L48
L31:
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <string_convbase64_8x3_to_6x4@plt>
  add    $0x3,%r12
  add    $0x4,%rbp
  sub    $0x3,%ebx
  cmp    $0x2,%ebx
  jg     L31
L48:
  test   %ebx,%ebx
  jle    L32
  movw   $0x0,0x5(%rsp)
  movb   $0x0,0x7(%rsp)
  cmp    $0x1,%ebx
  je     L77
  cmp    $0x2,%ebx
  je     L45
L12:
  movb   $0x0,0x4(%rbp)
L29:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L38
  add    $0x10,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L77:
  movzbl (%r12),%eax
  mov    %al,0x5(%rsp)
  lea    0x5(%rsp),%rdi
  mov    %rbp,%rsi
  call   <string_convbase64_8x3_to_6x4@plt>
  movb   $0x3d,0x3(%rbp)
  movb   $0x3d,0x2(%rbp)
  jmp    L12
L45:
  movzbl (%r12),%eax
  mov    %al,0x5(%rsp)
  movzbl 0x1(%r12),%eax
  mov    %al,0x6(%rsp)
  lea    0x5(%rsp),%rdi
  mov    %rbp,%rsi
  call   <string_convbase64_8x3_to_6x4@plt>
  movb   $0x3d,0x3(%rbp)
  jmp    L12
L32:
  movb   $0x0,0x0(%rbp)
  jmp    L29
L38:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void string_encode_base64(const char *from, int length, char *to) {
  const char *ptr_from;
  char *ptr_to;
  ptr_from = from;
  ptr_to = to;
  while (length >= 3) {
    string_convbase64_8x3_to_6x4(ptr_from, ptr_to);
    ptr_from += 3 * sizeof(*ptr_from);
    ptr_to += 4 * sizeof(*ptr_to);
    length -= 3;
  }
  if (length > 0) {
    char rest[3] = {0, 0, 0};
    switch (length) {
    case 1:
      rest[0] = ptr_from[0];
      string_convbase64_8x3_to_6x4(rest, ptr_to);
      ptr_to[2] = ptr_to[3] = '=';
      break;
    case 2:
      rest[0] = ptr_from[0];
      rest[1] = ptr_from[1];
      string_convbase64_8x3_to_6x4(rest, ptr_to);
      ptr_to[3] = '=';
      break;
    }
    ptr_to[4] = 0;
  } else
    ptr_to[0] = '\0';
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<string_encode_base64>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  mov    %esi,%ebx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  cmp    $0x2,%esi
  jle    L13
  nopl   0x0(%rax)
L8:
  mov    %rbp,%rsi
  mov    %r12,%rdi
  sub    $0x3,%ebx
  add    $0x3,%r12
  call   <string_convbase64_8x3_to_6x4@plt>
  add    $0x4,%rbp
  cmp    $0x2,%ebx
  jg     L8
L13:
  test   %ebx,%ebx
  jle    L5
  xor    %edx,%edx
  movb   $0x0,0x7(%rsp)
  movzbl (%r12),%eax
  mov    %dx,0x5(%rsp)
  cmp    $0x2,%ebx
  je     L44
  lea    0x5(%rsp),%rdi
  mov    %rbp,%rsi
  mov    %al,0x5(%rsp)
  call   <string_convbase64_8x3_to_6x4@plt>
  mov    $0x3d3d,%eax
  mov    %ax,0x2(%rbp)
L50:
  movb   $0x0,0x4(%rbp)
L42:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L54
  add    $0x10,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L44:
  movzwl (%r12),%eax
  lea    0x5(%rsp),%rdi
  mov    %rbp,%rsi
  mov    %ax,0x5(%rsp)
  call   <string_convbase64_8x3_to_6x4@plt>
  movb   $0x3d,0x3(%rbp)
  jmp    L50
  nopl   (%rax)
L5:
  movb   $0x0,0x0(%rbp)
  jmp    L42
L54:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void string_encode_base64(const char *from, int length, char *to) {
  const char *ptr_from;
  char *ptr_to;
  ptr_from = from;
  ptr_to = to;
  while (length >= 3) {
    string_convbase64_8x3_to_6x4(ptr_from, ptr_to);
    ptr_from += 3 * sizeof(*ptr_from);
    ptr_to += 4 * sizeof(*ptr_to);
    length -= 3;
  }
  if (length > 0) {
    char rest[3] = {0, 0, 0};
    switch (length) {
    case 1:
      rest[0] = ptr_from[0];
      string_convbase64_8x3_to_6x4(rest, ptr_to);
      ptr_to[2] = ptr_to[3] = '=';
      break;
    case 2:
      rest[0] = ptr_from[0];
      rest[1] = ptr_from[1];
      string_convbase64_8x3_to_6x4(rest, ptr_to);
      ptr_to[3] = '=';
      break;
    }
    ptr_to[4] = 0;
  } else
    ptr_to[0] = '\0';
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<string_encode_base64>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  mov    %esi,%ebx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  cmp    $0x2,%esi
  jle    L61
  nopl   0x0(%rax)
L50:
  mov    %rbp,%rsi
  mov    %r12,%rdi
  sub    $0x3,%ebx
  add    $0x3,%r12
  call   <string_convbase64_8x3_to_6x4@plt>
  add    $0x4,%rbp
  cmp    $0x2,%ebx
  jg     L50
L61:
  test   %ebx,%ebx
  jle    L53
  xor    %edx,%edx
  movb   $0x0,0x6(%rsp)
  movzbl (%r12),%eax
  mov    %dx,0x4(%rsp)
  cmp    $0x2,%ebx
  je     L28
  lea    0x4(%rsp),%rdi
  mov    %rbp,%rsi
  mov    %al,0x4(%rsp)
  call   <string_convbase64_8x3_to_6x4@plt>
  mov    $0x3d3d,%eax
  mov    %ax,0x2(%rbp)
L20:
  movb   $0x0,0x4(%rbp)
L7:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L6
  add    $0x10,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L28:
  movzwl (%r12),%eax
  lea    0x4(%rsp),%rdi
  mov    %rbp,%rsi
  mov    %ax,0x4(%rsp)
  call   <string_convbase64_8x3_to_6x4@plt>
  movb   $0x3d,0x3(%rbp)
  jmp    L20
  nopl   (%rax)
L53:
  movb   $0x0,0x0(%rbp)
  jmp    L7
L6:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void string_encode_base64(const char *from, int length, char *to) {
  const char *ptr_from;
  char *ptr_to;
  ptr_from = from;
  ptr_to = to;
  while (length >= 3) {
    string_convbase64_8x3_to_6x4(ptr_from, ptr_to);
    ptr_from += 3 * sizeof(*ptr_from);
    ptr_to += 4 * sizeof(*ptr_to);
    length -= 3;
  }
  if (length > 0) {
    char rest[3] = {0, 0, 0};
    switch (length) {
    case 1:
      rest[0] = ptr_from[0];
      string_convbase64_8x3_to_6x4(rest, ptr_to);
      ptr_to[2] = ptr_to[3] = '=';
      break;
    case 2:
      rest[0] = ptr_from[0];
      rest[1] = ptr_from[1];
      string_convbase64_8x3_to_6x4(rest, ptr_to);
      ptr_to[3] = '=';
      break;
    }
    ptr_to[4] = 0;
  } else
    ptr_to[0] = '\0';
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<splitVals>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,%eax
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    %rcx,-0x30(%rbp)
  mov    %al,-0x14(%rbp)
  movl   $0x0,-0x4(%rbp)
  mov    -0x28(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x30(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x23,%al
  je     L50
  movl   $0x0,-0x4(%rbp)
  jmp    L12
L51:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    %al,-0x14(%rbp)
  jne    L0
  cmpl   $0x0,-0x4(%rbp)
  jle    L0
  mov    -0x20(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x1(%rax),%rdx
  mov    -0x20(%rbp),%rax
  add    %rax,%rdx
  mov    -0x30(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    $0x1,%eax
  jmp    L42
L0:
  addl   $0x1,-0x4(%rbp)
L12:
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  cmp    %eax,-0x4(%rbp)
  jl     L51
L50:
  mov    -0x20(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    $0x0,%eax
L42:
  leave
  ret
```

assistant: ```c
int splitVals(char ch, const char *buf, char *set, char *val) {
  int strpos = 0;
  set[0] = '\0';
  val[0] = '\0';
  if (buf[0] != '#') {
    for (strpos = 0; strpos < strlen(buf); strpos++) {
      if (buf[strpos] == ch && strpos > 0) {
        strcpy(set, buf);
        set[strpos] = '\0';
        strcpy(val, buf + strpos + 1);
        return (1);
      }
    }
  }
  strcpy(set, buf);
  return (0);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<splitVals>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rsi,%rbp
  mov    %rdx,%r13
  mov    %rcx,%r14
  mov    %edi,%r12d
  movb   $0x0,(%rdx)
  movb   $0x0,(%rcx)
  mov    $0x0,%ebx
  cmpb   $0x23,(%rsi)
  jne    L44
L13:
  mov    %rbp,%rsi
  mov    %r13,%rdi
  call   <strcpy@plt>
  mov    $0x0,%eax
  jmp    L10
L8:
  mov    %rax,%rbx
L44:
  mov    %rbp,%rdi
  call   <strlen@plt>
  mov    %ebx,%edx
  cmp    %ebx,%eax
  jle    L13
  lea    0x1(%rbx),%rax
  cmp    %r12b,0x0(%rbp,%rbx,1)
  jne    L8
  test   %edx,%edx
  jle    L8
  mov    %rbp,%rsi
  mov    %r13,%rdi
  call   <strcpy@plt>
  movb   $0x0,0x0(%r13,%rbx,1)
  lea    0x1(%rbp,%rbx,1),%rsi
  mov    %r14,%rdi
  call   <strcpy@plt>
  mov    $0x1,%eax
L10:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
int splitVals(char ch, const char *buf, char *set, char *val) {
  int strpos = 0;
  set[0] = '\0';
  val[0] = '\0';
  if (buf[0] != '#') {
    for (strpos = 0; strpos < strlen(buf); strpos++) {
      if (buf[strpos] == ch && strpos > 0) {
        strcpy(set, buf);
        set[strpos] = '\0';
        strcpy(val, buf + strpos + 1);
        return (1);
      }
    }
  }
  strcpy(set, buf);
  return (0);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<splitVals>:
  endbr64
  push   %r15
  push   %r14
  mov    %rdx,%r14
  push   %r13
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  movb   $0x0,(%rdx)
  movb   $0x0,(%rcx)
  cmpb   $0x23,(%rsi)
  je     L3
  mov    %edi,%r12d
  mov    %rbp,%rdi
  mov    %rcx,%r13
  xor    %ebx,%ebx
  call   <strlen@plt>
  mov    %ebx,%edx
  cmp    %ebx,%eax
  jle    L3
L30:
  lea    0x1(%rbx),%r15
  cmp    %r12b,0x0(%rbp,%rbx,1)
  jne    L27
  test   %edx,%edx
  jne    L46
L27:
  mov    %rbp,%rdi
  mov    %r15,%rbx
  call   <strlen@plt>
  mov    %ebx,%edx
  cmp    %ebx,%eax
  jg     L30
L3:
  mov    %rbp,%rsi
  mov    %r14,%rdi
  call   <strcpy@plt>
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L46:
  mov    %rbp,%rsi
  mov    %r14,%rdi
  call   <strcpy@plt>
  movb   $0x0,(%r14,%rbx,1)
  lea    0x0(%rbp,%r15,1),%rsi
  mov    %r13,%rdi
  call   <strcpy@plt>
  add    $0x8,%rsp
  mov    $0x1,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
int splitVals(char ch, const char *buf, char *set, char *val) {
  int strpos = 0;
  set[0] = '\0';
  val[0] = '\0';
  if (buf[0] != '#') {
    for (strpos = 0; strpos < strlen(buf); strpos++) {
      if (buf[strpos] == ch && strpos > 0) {
        strcpy(set, buf);
        set[strpos] = '\0';
        strcpy(val, buf + strpos + 1);
        return (1);
      }
    }
  }
  strcpy(set, buf);
  return (0);
}
```