ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请从给定的汇编指令推导出C源代码：

```asm
<envvar_subst>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x88,%rsp
  mov    %rdi,0x8(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x78(%rsp)
  xor    %eax,%eax
  movzbl (%rsi),%eax
  test   %al,%al
  je     L4
  mov    %rsi,%r13
  mov    %rsi,%rbx
  mov    $0x0,%r12d
  mov    $0x0,%ebp
  movabs $0x200000000801,%r15
  jmp    L36
L51:
  add    $0x1,%esi
  mov    %dl,-0x2(%rdi,%rax,1)
  mov    %eax,%r14d
  movzbl 0x0(%r13,%rax,1),%edx
  add    $0x1,%rax
  test   $0xdf,%dl
  je     L80
L74:
  lea    -0x1(%rax),%r14d
  lea    -0x2f(%rdx),%ecx
  cmp    $0x2d,%cl
  ja     L51
  bt     %rcx,%r15
  jae    L51
L80:
  movslq %esi,%rsi
  movb   $0x0,0x10(%rsp,%rsi,1)
  cmpb   $0x0,0x10(%rsp)
  jne    L46
L30:
  movzbl (%rbx),%edx
  movslq %r12d,%rax
  mov    0x8(%rsp),%rdi
  mov    %dl,(%rdi,%rax,1)
  lea    0x1(%r12),%r12d
L137:
  add    $0x1,%ebp
  movslq %ebp,%rbx
  add    %r13,%rbx
  movzbl (%rbx),%eax
  test   %al,%al
  je     L24
L36:
  cmp    $0x24,%al
  jne    L30
  lea    0x1(%rbp),%r14d
  movslq %r14d,%rax
  movzbl 0x0(%r13,%rax,1),%edx
  test   $0xdf,%dl
  je     L127
  lea    0x2(%rbp),%eax
  cltq
  mov    $0x0,%esi
  lea    0x10(%rsp),%rdi
  movslq %ebp,%rcx
  sub    %rcx,%rdi
  jmp    L74
L127:
  mov    $0x0,%esi
  jmp    L80
L46:
  lea    0x10(%rsp),%rdi
  call   <getenv@plt>
  test   %rax,%rax
  je     L30
  movslq %r12d,%r12
  mov    0x8(%rsp),%rbx
  movb   $0x0,(%rbx,%r12,1)
  mov    %rax,%rsi
  mov    %rbx,%rdi
  call   <strcat@plt>
  mov    %rbx,%rdi
  call   <strlen@plt>
  mov    %eax,%r12d
  lea    -0x1(%r14),%ebp
  jmp    L137
L4:
  mov    $0x0,%r12d
L24:
  movslq %r12d,%r12
  mov    0x8(%rsp),%rax
  movb   $0x0,(%rax,%r12,1)
  mov    0x78(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L31
  add    $0x88,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L31:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void envvar_subst(char *dest, char *src) {
  int i, i0, j, k;
  char envvar[100];
  char *p;
  for (i = j = 0; src[i] != '\0'; i++) {
    if (src[i] == '$') {
      i0 = i;
      for (i++, k = 0; src[i] != '\0' && src[i] != ' ' && src[i] != '\\' && src[i] != ':' && src[i] != '/'; i++)
        envvar[k++] = src[i];
      envvar[k] = '\0';
      if (envvar[0] != '\0' && (p = getenv(envvar)) != NULL) {
        dest[j] = '\0';
        strcat(dest, p);
        j = strlen(dest);
        i--;
        continue;
      }
      i = i0;
    }
    dest[j++] = src[i];
  }
  dest[j] = '\0';
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<envvar_subst>:
  endbr64
  push   %r15
  mov    %rdi,%r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x88,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x78(%rsp)
  xor    %eax,%eax
  movzbl (%rsi),%eax
  test   %al,%al
  je     L33
  mov    %rsi,%r14
  mov    %rsi,%r13
  xor    %r12d,%r12d
  xor    %ebx,%ebx
  movabs $0x200000000801,%r8
  jmp    L129
  nopw   0x0(%rax,%rax,1)
L83:
  movzbl 0x0(%r13),%edx
  movslq %r12d,%rax
  mov    %rbp,%r13
  mov    %r9d,%ebx
  add    $0x1,%r12d
  mov    %dl,(%r15,%rax,1)
  movzbl 0x0(%r13),%eax
  test   %al,%al
  je     L45
L129:
  lea    0x1(%rbx),%r9d
  movslq %r9d,%rbp
  add    %r14,%rbp
  cmp    $0x24,%al
  jne    L83
  movzbl 0x0(%rbp),%edx
  test   $0xdf,%dl
  je     L71
  lea    0x2(%rbx),%eax
  lea    0x10(%rsp),%rdi
  movslq %ebx,%rbx
  xor    %esi,%esi
  cltq
  sub    %rbx,%rdi
  jmp    L48
  nopw   0x0(%rax,%rax,1)
L86:
  mov    %dl,-0x2(%rdi,%rax,1)
  movzbl (%r14,%rax,1),%edx
  mov    %eax,%ebx
  add    $0x1,%esi
  add    $0x1,%rax
  test   $0xdf,%dl
  je     L12
L48:
  lea    -0x2f(%rdx),%ecx
  lea    -0x1(%rax),%ebx
  cmp    $0x2d,%cl
  ja     L86
  bt     %rcx,%r8
  jae    L86
L12:
  movslq %esi,%rsi
  movb   $0x0,0x10(%rsp,%rsi,1)
  cmpb   $0x0,0x10(%rsp)
  je     L83
  lea    0x10(%rsp),%rdi
  mov    %r9d,0xc(%rsp)
  call   <getenv@plt>
  mov    0xc(%rsp),%r9d
  movabs $0x200000000801,%r8
  test   %rax,%rax
  je     L83
  movslq %r12d,%r12
  mov    %rax,%rsi
  mov    %r15,%rdi
  movslq %ebx,%r13
  movb   $0x0,(%r15,%r12,1)
  add    %r14,%r13
  call   <strcat@plt>
  mov    %r15,%rdi
  call   <strlen@plt>
  movabs $0x200000000801,%r8
  mov    %eax,%r12d
  movzbl 0x0(%r13),%eax
  test   %al,%al
  jne    L129
  nopl   (%rax)
L45:
  movslq %r12d,%r12
  add    %r12,%r15
L33:
  movb   $0x0,(%r15)
  mov    0x78(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L7
  add    $0x88,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L71:
  mov    %r9d,%ebx
  xor    %esi,%esi
  jmp    L12
L7:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void envvar_subst(char *dest, char *src) {
  int i, i0, j, k;
  char envvar[100];
  char *p;
  for (i = j = 0; src[i] != '\0'; i++) {
    if (src[i] == '$') {
      i0 = i;
      for (i++, k = 0; src[i] != '\0' && src[i] != ' ' && src[i] != '\\' && src[i] != ':' && src[i] != '/'; i++)
        envvar[k++] = src[i];
      envvar[k] = '\0';
      if (envvar[0] != '\0' && (p = getenv(envvar)) != NULL) {
        dest[j] = '\0';
        strcat(dest, p);
        j = strlen(dest);
        i--;
        continue;
      }
      i = i0;
    }
    dest[j++] = src[i];
  }
  dest[j] = '\0';
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<envvar_subst>:
  endbr64
  push   %r15
  mov    %rdi,%r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x88,%rsp
  movzbl (%rsi),%ecx
  mov    %fs:0x28,%rax
  mov    %rax,0x78(%rsp)
  xor    %eax,%eax
  test   %cl,%cl
  je     L1
  mov    %rsi,%r14
  mov    %rsi,%r9
  xor    %r12d,%r12d
  xor    %ebx,%ebx
  movabs $0x200000000801,%r8
  jmp    L90
  nopw   0x0(%rax,%rax,1)
L86:
  movslq %r12d,%rax
  mov    %rbp,%r9
  mov    %r13d,%ebx
  add    $0x1,%r12d
  mov    %cl,(%r15,%rax,1)
L74:
  movzbl (%r9),%ecx
  test   %cl,%cl
  je     L83
L90:
  lea    0x1(%rbx),%r13d
  movslq %r13d,%rbp
  add    %r14,%rbp
  cmp    $0x24,%cl
  jne    L86
  movzbl 0x0(%rbp),%edx
  test   $0xdf,%dl
  je     L25
  lea    0x2(%rbx),%eax
  lea    0x10(%rsp),%r10
  movslq %ebx,%rbx
  xor    %edi,%edi
  cltq
  sub    %rbx,%r10
  jmp    L89
  nopl   (%rax)
L62:
  mov    %dl,-0x2(%r10,%rax,1)
  movzbl (%r14,%rax,1),%edx
  mov    %eax,%ebx
  add    $0x1,%edi
  add    $0x1,%rax
  test   $0xdf,%dl
  je     L22
L89:
  lea    -0x2f(%rdx),%esi
  lea    -0x1(%rax),%ebx
  cmp    $0x2d,%sil
  ja     L62
  bt     %rsi,%r8
  jae    L62
L22:
  movslq %edi,%rdi
  movb   $0x0,0x10(%rsp,%rdi,1)
  cmpb   $0x0,0x10(%rsp)
  je     L86
  lea    0x10(%rsp),%rdi
  mov    %r9,0x8(%rsp)
  call   <getenv@plt>
  movabs $0x200000000801,%r8
  test   %rax,%rax
  jne    L125
  mov    0x8(%rsp),%r9
  movzbl (%r9),%ecx
  jmp    L86
  nopl   0x0(%rax)
L83:
  movslq %r12d,%r12
  add    %r12,%r15
L1:
  movb   $0x0,(%r15)
  mov    0x78(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L79
  add    $0x88,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L125:
  movslq %r12d,%r12
  mov    %rax,%rsi
  mov    %r15,%rdi
  movb   $0x0,(%r15,%r12,1)
  call   <strcat@plt>
  mov    %r15,%rdi
  call   <strlen@plt>
  movslq %ebx,%r9
  movabs $0x200000000801,%r8
  mov    %eax,%r12d
  add    %r14,%r9
  jmp    L74
L25:
  mov    %r13d,%ebx
  xor    %edi,%edi
  jmp    L22
L79:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void envvar_subst(char *dest, char *src) {
  int i, i0, j, k;
  char envvar[100];
  char *p;
  for (i = j = 0; src[i] != '\0'; i++) {
    if (src[i] == '$') {
      i0 = i;
      for (i++, k = 0; src[i] != '\0' && src[i] != ' ' && src[i] != '\\' && src[i] != ':' && src[i] != '/'; i++)
        envvar[k++] = src[i];
      envvar[k] = '\0';
      if (envvar[0] != '\0' && (p = getenv(envvar)) != NULL) {
        dest[j] = '\0';
        strcat(dest, p);
        j = strlen(dest);
        i--;
        continue;
      }
      i = i0;
    }
    dest[j++] = src[i];
  }
  dest[j] = '\0';
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<heap_sort>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    -0x1c(%rbp),%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  mov    %eax,-0x4(%rbp)
  jmp    L20
L9:
  mov    -0x1c(%rbp),%edx
  mov    -0x4(%rbp),%ecx
  mov    -0x18(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <shift_heap@plt>
  subl   $0x1,-0x4(%rbp)
L20:
  cmpl   $0x0,-0x4(%rbp)
  jns    L9
  mov    -0x1c(%rbp),%eax
  mov    %eax,-0x4(%rbp)
  jmp    L7
L34:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rax,%rdx
  mov    -0x18(%rbp),%rax
  add    $0x4,%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <swap_elem@plt>
  mov    -0x4(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    -0x18(%rbp),%rax
  mov    $0x1,%esi
  mov    %rax,%rdi
  call   <shift_heap@plt>
  subl   $0x1,-0x4(%rbp)
L7:
  cmpl   $0x1,-0x4(%rbp)
  jg     L34
  nop
  nop
  leave
  ret
```

assistant: ```c
void heap_sort(int *pdata, int count) {
  int i;
  for (i = count / 2; i >= 0; i--)
    shift_heap(pdata, i, count);
  for (i = count; i > 1; i--) {
    swap_elem((pdata + 1), (pdata + i));
    shift_heap(pdata, 1, i - 1);
  }
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<heap_sort>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r12
  mov    %esi,%ebx
  mov    %esi,%ebp
  shr    $0x1f,%ebp
  add    %esi,%ebp
  sar    %ebp
  cmp    $0xffffffff,%esi
  jl     L28
L38:
  mov    %ebx,%edx
  mov    %ebp,%esi
  mov    %r12,%rdi
  call   <shift_heap@plt>
  sub    $0x1,%ebp
  jns    L38
L28:
  cmp    $0x1,%ebx
  jle    L33
  movslq %ebx,%rax
  lea    (%r12,%rax,4),%rbp
  lea    0x4(%r12),%r13
L19:
  mov    %rbp,%rsi
  mov    %r13,%rdi
  call   <swap_elem@plt>
  sub    $0x1,%ebx
  mov    %ebx,%edx
  mov    $0x1,%esi
  mov    %r12,%rdi
  call   <shift_heap@plt>
  sub    $0x4,%rbp
  cmp    $0x1,%ebx
  jne    L19
L33:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void heap_sort(int *pdata, int count) {
  int i;
  for (i = count / 2; i >= 0; i--)
    shift_heap(pdata, i, count);
  for (i = count; i > 1; i--) {
    swap_elem((pdata + 1), (pdata + i));
    shift_heap(pdata, 1, i - 1);
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<heap_sort>:
  endbr64
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %esi,%ebp
  push   %rbx
  shr    $0x1f,%ebp
  mov    %esi,%ebx
  add    %esi,%ebp
  sar    %ebp
  sub    $0x8,%rsp
  cmp    $0xffffffff,%esi
  jl     L8
  nopl   0x0(%rax)
L11:
  mov    %ebp,%esi
  mov    %ebx,%edx
  mov    %r12,%rdi
  call   <shift_heap@plt>
  sub    $0x1,%ebp
  jae    L11
  cmp    $0x1,%ebx
  jle    L8
  movslq %ebx,%rax
  lea    0x4(%r12),%r13
  lea    (%r12,%rax,4),%rbp
  nopw   0x0(%rax,%rax,1)
L21:
  mov    %rbp,%rsi
  mov    %r13,%rdi
  sub    $0x1,%ebx
  sub    $0x4,%rbp
  call   <swap_elem@plt>
  mov    %ebx,%edx
  mov    $0x1,%esi
  mov    %r12,%rdi
  call   <shift_heap@plt>
  cmp    $0x1,%ebx
  jne    L21
L8:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void heap_sort(int *pdata, int count) {
  int i;
  for (i = count / 2; i >= 0; i--)
    shift_heap(pdata, i, count);
  for (i = count; i > 1; i--) {
    swap_elem((pdata + 1), (pdata + i));
    shift_heap(pdata, 1, i - 1);
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<heap_sort>:
  endbr64
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %esi,%ebp
  push   %rbx
  shr    $0x1f,%ebp
  mov    %esi,%ebx
  add    %esi,%ebp
  sar    %ebp
  sub    $0x8,%rsp
  cmp    $0xffffffff,%esi
  jl     L26
  nopl   0x0(%rax)
L21:
  mov    %ebp,%esi
  mov    %ebx,%edx
  mov    %r12,%rdi
  call   <shift_heap@plt>
  sub    $0x1,%ebp
  jae    L21
  cmp    $0x1,%ebx
  jle    L26
  movslq %ebx,%rax
  lea    0x4(%r12),%r13
  lea    (%r12,%rax,4),%rbp
  nopw   0x0(%rax,%rax,1)
L1:
  mov    %rbp,%rsi
  mov    %r13,%rdi
  sub    $0x1,%ebx
  sub    $0x4,%rbp
  call   <swap_elem@plt>
  mov    %ebx,%edx
  mov    $0x1,%esi
  mov    %r12,%rdi
  call   <shift_heap@plt>
  cmp    $0x1,%ebx
  jne    L1
L26:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void heap_sort(int *pdata, int count) {
  int i;
  for (i = count / 2; i >= 0; i--)
    shift_heap(pdata, i, count);
  for (i = count; i > 1; i--) {
    swap_elem((pdata + 1), (pdata + i));
    shift_heap(pdata, 1, i - 1);
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<average>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  movl   $0x0,-0xc(%rbp)
  movq   $0x0,-0x8(%rbp)
  jmp    L33
L12:
  mov    -0x8(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  add    %eax,-0xc(%rbp)
  addq   $0x1,-0x8(%rbp)
L33:
  mov    -0x8(%rbp),%rax
  cmp    -0x20(%rbp),%rax
  jb     L12
  pxor   %xmm1,%xmm1
  cvtsi2ssl -0xc(%rbp),%xmm1
  mov    -0x8(%rbp),%rax
  test   %rax,%rax
  js     L17
  pxor   %xmm0,%xmm0
  cvtsi2ss %rax,%xmm0
  jmp    L28
L17:
  mov    %rax,%rdx
  shr    %rdx
  and    $0x1,%eax
  or     %rax,%rdx
  pxor   %xmm0,%xmm0
  cvtsi2ss %rdx,%xmm0
  addss  %xmm0,%xmm0
L28:
  divss  %xmm0,%xmm1
  movaps %xmm1,%xmm0
  pop    %rbp
  ret
```

assistant: ```c
float average(int *array, size_t len) {
  int sum = 0;
  size_t i;
  for (i = 0; i < len; i++) {
    sum += array[i];
  }
  return (float)sum / (float)i;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<average>:
  endbr64
  test   %rsi,%rsi
  je     L23
  mov    %rdi,%rax
  lea    (%rdi,%rsi,4),%rcx
  mov    $0x0,%edx
L46:
  add    (%rax),%edx
  add    $0x4,%rax
  cmp    %rcx,%rax
  jne    L46
L7:
  pxor   %xmm0,%xmm0
  cvtsi2ss %edx,%xmm0
  test   %rsi,%rsi
  js     L4
  pxor   %xmm1,%xmm1
  cvtsi2ss %rsi,%xmm1
L48:
  divss  %xmm1,%xmm0
  ret
L23:
  mov    $0x0,%edx
  jmp    L7
L4:
  mov    %rsi,%rax
  shr    %rax
  and    $0x1,%esi
  or     %rsi,%rax
  pxor   %xmm1,%xmm1
  cvtsi2ss %rax,%xmm1
  addss  %xmm1,%xmm1
  jmp    L48
```

assistant: ```c
float average(int *array, size_t len) {
  int sum = 0;
  size_t i;
  for (i = 0; i < len; i++) {
    sum += array[i];
  }
  return (float)sum / (float)i;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<average>:
  endbr64
  test   %rsi,%rsi
  je     L17
  lea    (%rdi,%rsi,4),%rdx
  xor    %eax,%eax
  nop
L7:
  add    (%rdi),%eax
  add    $0x4,%rdi
  cmp    %rdi,%rdx
  jne    L7
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  cvtsi2ss %eax,%xmm0
  cvtsi2ss %rsi,%xmm1
  divss  %xmm1,%xmm0
  ret
  nopl   0x0(%rax)
L17:
  pxor   %xmm1,%xmm1
  movaps %xmm1,%xmm0
  divss  %xmm1,%xmm0
  ret
```

assistant: ```c
float average(int *array, size_t len) {
  int sum = 0;
  size_t i;
  for (i = 0; i < len; i++) {
    sum += array[i];
  }
  return (float)sum / (float)i;
}
```
user: Translate the below assembly code into C programming language:

```asm
<average>:
  endbr64
  test   %rsi,%rsi
  je     L54
  lea    -0x1(%rsi),%rax
  cmp    $0x2,%rax
  jbe    L33
  mov    %rsi,%rdx
  mov    %rdi,%rax
  pxor   %xmm0,%xmm0
  shr    $0x2,%rdx
  shl    $0x4,%rdx
  add    %rdi,%rdx
L23:
  movdqu (%rax),%xmm2
  add    $0x10,%rax
  paddd  %xmm2,%xmm0
  cmp    %rdx,%rax
  jne    L23
  movdqa %xmm0,%xmm1
  mov    %rsi,%rdx
  psrldq $0x8,%xmm1
  and    $0xfffffffffffffffc,%rdx
  paddd  %xmm1,%xmm0
  movdqa %xmm0,%xmm1
  psrldq $0x4,%xmm1
  paddd  %xmm1,%xmm0
  movd   %xmm0,%eax
  test   $0x3,%sil
  je     L17
L47:
  lea    0x1(%rdx),%r8
  lea    0x0(,%rdx,4),%rcx
  add    (%rdi,%rdx,4),%eax
  cmp    %r8,%rsi
  jbe    L17
  add    $0x2,%rdx
  add    0x4(%rdi,%rcx,1),%eax
  cmp    %rdx,%rsi
  jbe    L17
  add    0x8(%rdi,%rcx,1),%eax
L17:
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  cvtsi2ss %eax,%xmm0
  cvtsi2ss %rsi,%xmm1
  divss  %xmm1,%xmm0
  ret
  nopw   0x0(%rax,%rax,1)
L54:
  pxor   %xmm1,%xmm1
  movaps %xmm1,%xmm0
  divss  %xmm1,%xmm0
  ret
L33:
  xor    %edx,%edx
  xor    %eax,%eax
  jmp    L47
```

assistant: ```c
float average(int *array, size_t len) {
  int sum = 0;
  size_t i;
  for (i = 0; i < len; i++) {
    sum += array[i];
  }
  return (float)sum / (float)i;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<strlcat_empty_string>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movb   $0x0,-0x20(%rbp)
  lea    -0x20(%rbp),%rax
  mov    $0x14,%edx
  lea    D48(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strlcat@plt>
  cmp    $0x4,%eax
  sete   %al
  movzbl %al,%eax
  lea    D23(%rip),%rdx
  mov    %rdx,%rcx
  mov    $0x26,%edx
  lea    D34(%rip),%rsi
  mov    %eax,%edi
  call   <Assert_real@plt>
  lea    -0x20(%rbp),%rax
  lea    D48(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  sete   %al
  movzbl %al,%eax
  lea    D58(%rip),%rdx
  mov    %rdx,%rcx
  mov    $0x27,%edx
  lea    D34(%rip),%rsi
  mov    %eax,%edi
  call   <Assert_real@plt>
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L7
  call   <__stack_chk_fail@plt>
L7:
  leave
  ret
```

tool_calls: name: parse_data
arguments: tag: D48
data_type: string
name: parse_data
arguments: tag: D23
data_type: string
name: parse_data
arguments: tag: D34
data_type: string
name: parse_data
arguments: tag: D58
data_type: string

tool: D48: Last

tool: D23: Should be == 4

tool: D34: /scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/bitfixer/bitfixer/refs/heads/master/dg/z88dk/test/suites/string/strlcat.c

tool: D58: Incorrect contents

assistant: ```c
void strlcat_empty_string() {
  char buf[20];
  buf[0] = 0;
  Assert_real((strlcat(buf, "Last", sizeof(buf)) == 4), "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/bitfixer/bitfixer/refs/heads/master/dg/z88dk/test/suites/string/strlcat.c", 38, ("Should be == 4"));
  Assert_real((strcmp(buf, "Last") == 0), "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/bitfixer/bitfixer/refs/heads/master/dg/z88dk/test/suites/string/strlcat.c", 39, ("Incorrect contents"));
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<strlcat_empty_string>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  movb   $0x0,(%rsp)
  mov    %rsp,%rbp
  mov    $0x14,%edx
  lea    D34(%rip),%r12
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strlcat@plt>
  cmp    $0x4,%eax
  sete   %dil
  movzbl %dil,%edi
  lea    D4(%rip),%rcx
  mov    $0x26,%edx
  lea    D18(%rip),%rbx
  mov    %rbx,%rsi
  call   <Assert_real@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  sete   %dil
  movzbl %dil,%edi
  lea    D24(%rip),%rcx
  mov    $0x27,%edx
  mov    %rbx,%rsi
  call   <Assert_real@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L9
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L9:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_label: D34
datatype: string
name: read_data
arguments: data_label: D4
datatype: string
name: read_data
arguments: data_label: D18
datatype: string
name: read_data
arguments: data_label: D24
datatype: string

tool: D34: Last

tool: D4: Should be == 4

tool: D18: /scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/bitfixer/bitfixer/refs/heads/master/dg/z88dk/test/suites/string/strlcat.c

tool: D24: Incorrect contents

assistant: ```c
void strlcat_empty_string() {
  char buf[20];
  buf[0] = 0;
  Assert_real((strlcat(buf, "Last", sizeof(buf)) == 4), "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/bitfixer/bitfixer/refs/heads/master/dg/z88dk/test/suites/string/strlcat.c", 38, ("Should be == 4"));
  Assert_real((strcmp(buf, "Last") == 0), "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/bitfixer/bitfixer/refs/heads/master/dg/z88dk/test/suites/string/strlcat.c", 39, ("Incorrect contents"));
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<strlcat_empty_string>:
  endbr64
  push   %r13
  lea    D21(%rip),%r13
  mov    $0x14,%edx
  push   %r12
  mov    %r13,%rsi
  push   %rbp
  lea    D26(%rip),%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r12
  movb   $0x0,(%rsp)
  mov    %r12,%rdi
  call   <strlcat@plt>
  xor    %edi,%edi
  mov    $0x26,%edx
  mov    %rbp,%rsi
  cmp    $0x4,%eax
  lea    D24(%rip),%rcx
  sete   %dil
  call   <Assert_real@plt>
  mov    %r13,%rsi
  mov    %r12,%rdi
  call   <strcmp@plt>
  xor    %edi,%edi
  mov    $0x27,%edx
  mov    %rbp,%rsi
  test   %rax,%rax
  lea    D4(%rip),%rcx
  sete   %dil
  call   <Assert_real@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L4
  add    $0x20,%rsp
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L4:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: label: D21
datatype: string
name: unpack_data
arguments: label: D26
datatype: string
name: unpack_data
arguments: label: D24
datatype: string
name: unpack_data
arguments: label: D4
datatype: string

tool: D21: Last

tool: D26: /scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/bitfixer/bitfixer/refs/heads/master/dg/z88dk/test/suites/string/strlcat.c

tool: D24: Should be == 4

tool: D4: Incorrect contents

assistant: ```c
void strlcat_empty_string() {
  char buf[20];
  buf[0] = 0;
  Assert_real((strlcat(buf, "Last", sizeof(buf)) == 4), "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/bitfixer/bitfixer/refs/heads/master/dg/z88dk/test/suites/string/strlcat.c", 38, ("Should be == 4"));
  Assert_real((strcmp(buf, "Last") == 0), "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/bitfixer/bitfixer/refs/heads/master/dg/z88dk/test/suites/string/strlcat.c", 39, ("Incorrect contents"));
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<strlcat_empty_string>:
  endbr64
  push   %r13
  lea    D5(%rip),%r13
  mov    $0x14,%edx
  push   %r12
  mov    %r13,%rsi
  push   %rbp
  lea    D4(%rip),%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r12
  movb   $0x0,(%rsp)
  mov    %r12,%rdi
  call   <strlcat@plt>
  xor    %edi,%edi
  mov    $0x26,%edx
  mov    %rbp,%rsi
  cmp    $0x4,%eax
  lea    D38(%rip),%rcx
  sete   %dil
  call   <Assert_real@plt>
  mov    %r13,%rsi
  mov    %r12,%rdi
  call   <strcmp@plt>
  xor    %edi,%edi
  mov    $0x27,%edx
  mov    %rbp,%rsi
  test   %rax,%rax
  lea    D10(%rip),%rcx
  sete   %dil
  call   <Assert_real@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L2
  add    $0x20,%rsp
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L2:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: label: D5
datatype: string
name: unpack_data
arguments: label: D4
datatype: string
name: unpack_data
arguments: label: D38
datatype: string
name: unpack_data
arguments: label: D10
datatype: string

tool: D5: Last

tool: D4: /scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/bitfixer/bitfixer/refs/heads/master/dg/z88dk/test/suites/string/strlcat.c

tool: D38: Should be == 4

tool: D10: Incorrect contents

assistant: ```c
void strlcat_empty_string() {
  char buf[20];
  buf[0] = 0;
  Assert_real((strlcat(buf, "Last", sizeof(buf)) == 4), "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/bitfixer/bitfixer/refs/heads/master/dg/z88dk/test/suites/string/strlcat.c", 38, ("Should be == 4"));
  Assert_real((strcmp(buf, "Last") == 0), "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/bitfixer/bitfixer/refs/heads/master/dg/z88dk/test/suites/string/strlcat.c", 39, ("Incorrect contents"));
}
```