ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<closeall>:
  endbr64
  push   %rbp
  push   %rbx
  mov    %edi,%ebx
  sub    $0x8,%rsp
  mov    D1(%rip),%rax
  mov    (%rax),%edi
  call   <sysconf@plt>
  cmp    %ebx,%eax
  jle    L15
  mov    %eax,%ebp
L0:
  mov    %ebx,%edi
  add    $0x1,%ebx
  call   <close@plt>
  cmp    %ebx,%ebp
  jne    L0
L15:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void closeall(int fd) {
  int fdlimit = sysconf(_SC_OPEN_MAX);
  while (fd < fdlimit)
    close(fd++);
}
```
user: What is the c source code of the assembly code below?

```asm
<closeall>:
  endbr64
  push   %rbp
  push   %rbx
  mov    %edi,%ebx
  sub    $0x8,%rsp
  mov    D8(%rip),%rax
  mov    (%rax),%edi
  call   <sysconf@plt>
  cmp    %ebx,%eax
  jle    L0
  mov    %eax,%ebp
L17:
  mov    %ebx,%edi
  add    $0x1,%ebx
  call   <close@plt>
  cmp    %ebx,%ebp
  jne    L17
L0:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void closeall(int fd) {
  int fdlimit = sysconf(_SC_OPEN_MAX);
  while (fd < fdlimit)
    close(fd++);
}
```
user: What is the c source code of the assembly code below:

```asm
<genident>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strdup@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L4
  mov    $0x0,%eax
  jmp    L3
L4:
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  jmp    L12
L61:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2d,%al
  jne    L13
  mov    -0x10(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  movb   $0x5f,(%rax)
  jmp    L54
L13:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x5f,%al
  je     L67
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,%edi
  call   <isalnum@plt>
  test   %rax,%rax
  je     L54
L67:
  mov    -0x10(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  mov    -0x18(%rbp),%rdx
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
L54:
  addq   $0x1,-0x18(%rbp)
L12:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L61
  mov    -0x10(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x8(%rbp),%rax
L3:
  leave
  ret
```

assistant: ```c
char *genident(char *str) {
  char *n, *s, *d;
  if ((n = strdup(str)) == NULL)
    return NULL;
  for (d = s = n; *s != '\0'; s++) {
    if (*s == '-')
      *d++ = '_';
    else if (*s == '_' || isalnum((unsigned char)*s))
      *d++ = *s;
  }
  *d = '\0';
  return n;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<genident>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  call   <strdup@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L87
  movzbl (%rax),%edi
  test   %dil,%dil
  je     L67
  mov    %rax,%rbp
  mov    %rax,%rbx
  jmp    L13
L88:
  movb   $0x5f,0x0(%rbp)
  lea    0x1(%rbp),%rbp
  jmp    L61
L89:
  movzbl (%rbx),%eax
  mov    %al,0x0(%rbp)
  lea    0x1(%rbp),%rbp
L61:
  add    $0x1,%rbx
  movzbl (%rbx),%edi
  test   %dil,%dil
  je     L45
L13:
  cmp    $0x2d,%dil
  je     L88
  cmp    $0x5f,%dil
  je     L89
  movzbl %dil,%edi
  call   <isalnum@plt>
  test   %rax,%rax
  je     L61
  jmp    L89
L67:
  mov    %rax,%rbp
L45:
  movb   $0x0,0x0(%rbp)
L87:
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *genident(char *str) {
  char *n, *s, *d;
  if ((n = strdup(str)) == NULL)
    return NULL;
  for (d = s = n; *s != '\0'; s++) {
    if (*s == '-')
      *d++ = '_';
    else if (*s == '_' || isalnum((unsigned char)*s))
      *d++ = *s;
  }
  *d = '\0';
  return n;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<genident>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  call   <strdup@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L49
  movzbl (%rax),%edi
  mov    %rax,%rbp
  test   %dil,%dil
  je     L46
  mov    %rax,%rbx
  jmp    L45
  nopl   (%rax)
L71:
  cmp    $0x5f,%dil
  je     L4
  call   <isalnum@plt>
  test   %rax,%rax
  je     L28
L4:
  movzbl (%rbx),%eax
  add    $0x1,%rbp
  mov    %al,-0x1(%rbp)
L28:
  movzbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  test   %dil,%dil
  je     L46
L45:
  cmp    $0x2d,%dil
  jne    L71
  add    $0x1,%rbx
  movb   $0x5f,0x0(%rbp)
  add    $0x1,%rbp
  movzbl (%rbx),%edi
  test   %dil,%dil
  jne    L45
L46:
  movb   $0x0,0x0(%rbp)
L49:
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *genident(char *str) {
  char *n, *s, *d;
  if ((n = strdup(str)) == NULL)
    return NULL;
  for (d = s = n; *s != '\0'; s++) {
    if (*s == '-')
      *d++ = '_';
    else if (*s == '_' || isalnum((unsigned char)*s))
      *d++ = *s;
  }
  *d = '\0';
  return n;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<genident>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  call   <strdup@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L45
  movzbl (%rax),%edi
  mov    %rax,%rbp
  test   %dil,%dil
  je     L31
  mov    %rax,%rbx
  jmp    L48
  nopl   (%rax)
L63:
  cmp    $0x5f,%dil
  je     L1
  call   <isalnum@plt>
  test   %rax,%rax
  je     L0
  movzbl (%rbx),%edi
L1:
  mov    %dil,0x0(%rbp)
  add    $0x1,%rbp
L0:
  movzbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  test   %dil,%dil
  je     L31
L48:
  cmp    $0x2d,%dil
  jne    L63
  add    $0x1,%rbx
  movb   $0x5f,0x0(%rbp)
  add    $0x1,%rbp
  movzbl (%rbx),%edi
  test   %dil,%dil
  jne    L48
L31:
  movb   $0x0,0x0(%rbp)
L45:
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *genident(char *str) {
  char *n, *s, *d;
  if ((n = strdup(str)) == NULL)
    return NULL;
  for (d = s = n; *s != '\0'; s++) {
    if (*s == '-')
      *d++ = '_';
    else if (*s == '_' || isalnum((unsigned char)*s))
      *d++ = *s;
  }
  *d = '\0';
  return n;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    -0x8(%rbp),%rax
  mov    (%rax),%rax
  movl   $0x0,(%rax)
  mov    -0x8(%rbp),%rax
  mov    (%rax),%rax
  mov    (%rax),%eax
  pop    %rbp
  ret
```

assistant: ```c
int main() {
  int **pp;
  **pp = 0;
  return **pp;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  mov    $0x0,%eax
  mov    (%rax),%rdx
  movl   $0x0,(%rdx)
  mov    (%rax),%rax
  mov    (%rax),%eax
  ret
```

assistant: ```c
int main() {
  int **pp;
  **pp = 0;
  return **pp;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  xor    %eax,%eax
  ret
```

assistant: ```c
int main() {
  int **pp;
  **pp = 0;
  return **pp;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<main>:
  endbr64
  xor    %eax,%eax
  ret
```

assistant: ```c
int main() {
  int **pp;
  **pp = 0;
  return **pp;
}
```
user: What is the c source code of the assembly code below?

```asm
<dstr_to_lower>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <dstr_is_empty@plt>
  test   %rax,%rax
  jne    L20
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <dstr_to_wcs@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  je     L21
  jmp    L2
L37:
  mov    -0x10(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <towlower@plt>
  mov    -0x10(%rbp),%rdx
  mov    %rax,(%rdx)
  addq   $0x8,-0x10(%rbp)
L2:
  mov    -0x10(%rbp),%rax
  mov    (%rax),%rax
  test   %rax,%rax
  jne    L37
  mov    -0x8(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <dstr_from_wcs@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <bfree@plt>
  jmp    L38
L20:
  nop
  jmp    L38
L21:
  nop
L38:
  leave
  ret
```

assistant: ```c
void dstr_to_lower(struct dstr *str) {
  wchar_t *wstr;
  wchar_t *temp;
  if (dstr_is_empty(str))
    return;
  wstr = dstr_to_wcs(str);
  temp = wstr;
  if (!wstr)
    return;
  while (*temp) {
    *temp = (wchar_t)towlower(*temp);
    temp++;
  }
  dstr_from_wcs(str, wstr);
  bfree(wstr);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<dstr_to_lower>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  call   <dstr_is_empty@plt>
  test   %rax,%rax
  je     L38
L4:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L38:
  mov    %rbp,%rdi
  call   <dstr_to_wcs@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L4
  mov    (%rax),%rdi
  test   %rdi,%rdi
  je     L26
  mov    %rax,%rbx
L39:
  call   <towlower@plt>
  mov    %rax,(%rbx)
  add    $0x8,%rbx
  mov    (%rbx),%rdi
  test   %rdi,%rdi
  jne    L39
L26:
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <dstr_from_wcs@plt>
  mov    %r12,%rdi
  call   <bfree@plt>
  jmp    L4
```

assistant: ```c
void dstr_to_lower(struct dstr *str) {
  wchar_t *wstr;
  wchar_t *temp;
  if (dstr_is_empty(str))
    return;
  wstr = dstr_to_wcs(str);
  temp = wstr;
  if (!wstr)
    return;
  while (*temp) {
    *temp = (wchar_t)towlower(*temp);
    temp++;
  }
  dstr_from_wcs(str, wstr);
  bfree(wstr);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<dstr_to_lower>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  call   <dstr_is_empty@plt>
  test   %rax,%rax
  je     L13
L27:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L13:
  mov    %rbp,%rdi
  call   <dstr_to_wcs@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L27
  mov    (%rax),%rdi
  test   %rdi,%rdi
  je     L22
  mov    %rax,%rbx
  nopl   0x0(%rax,%rax,1)
L6:
  call   <towlower@plt>
  add    $0x8,%rbx
  mov    %rax,-0x8(%rbx)
  mov    (%rbx),%rdi
  test   %rdi,%rdi
  jne    L6
L22:
  mov    %rbp,%rdi
  mov    %r12,%rsi
  call   <dstr_from_wcs@plt>
  pop    %rbx
  mov    %r12,%rdi
  pop    %rbp
  pop    %r12
  jmp    10b0 <bfree@plt>
```

assistant: ```c
void dstr_to_lower(struct dstr *str) {
  wchar_t *wstr;
  wchar_t *temp;
  if (dstr_is_empty(str))
    return;
  wstr = dstr_to_wcs(str);
  temp = wstr;
  if (!wstr)
    return;
  while (*temp) {
    *temp = (wchar_t)towlower(*temp);
    temp++;
  }
  dstr_from_wcs(str, wstr);
  bfree(wstr);
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<dstr_to_lower>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  call   <dstr_is_empty@plt>
  test   %rax,%rax
  je     L4
L32:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L4:
  mov    %rbp,%rdi
  call   <dstr_to_wcs@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L32
  mov    (%rax),%rdi
  test   %rdi,%rdi
  je     L33
  mov    %rax,%rbx
  nopl   0x0(%rax,%rax,1)
L38:
  call   <towlower@plt>
  add    $0x8,%rbx
  mov    %rax,-0x8(%rbx)
  mov    (%rbx),%rdi
  test   %rdi,%rdi
  jne    L38
L33:
  mov    %rbp,%rdi
  mov    %r12,%rsi
  call   <dstr_from_wcs@plt>
  pop    %rbx
  mov    %r12,%rdi
  pop    %rbp
  pop    %r12
  jmp    10b0 <bfree@plt>
```

assistant: ```c
void dstr_to_lower(struct dstr *str) {
  wchar_t *wstr;
  wchar_t *temp;
  if (dstr_is_empty(str))
    return;
  wstr = dstr_to_wcs(str);
  temp = wstr;
  if (!wstr)
    return;
  while (*temp) {
    *temp = (wchar_t)towlower(*temp);
    temp++;
  }
  dstr_from_wcs(str, wstr);
  bfree(wstr);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<main>:
  endbr64
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    D39(%rip),%rdi
  call   <printf@plt>
  lea    D29(%rip),%rdi
  call   <printf@plt>
  lea    0xc(%rsp),%rcx
  lea    0x8(%rsp),%rdx
  lea    0x4(%rsp),%rsi
  lea    0x10(%rsp),%r8
  lea    D28(%rip),%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  lea    D57(%rip),%rdi
  call   <printf@plt>
  lea    0x14(%rsp),%rsi
  lea    D25(%rip),%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  movss  0x14(%rsp),%xmm0
  movss  0x4(%rsp),%xmm1
  comiss %xmm1,%xmm0
  jae    L97
  comiss %xmm0,%xmm1
  jbe    L5
  comiss 0x8(%rsp),%xmm0
  jae    L60
L5:
  movss  0x8(%rsp),%xmm1
  comiss %xmm0,%xmm1
  jbe    L78
  comiss 0xc(%rsp),%xmm0
  jae    L55
L78:
  movss  0xc(%rsp),%xmm1
  comiss %xmm0,%xmm1
  jbe    L16
  comiss 0x10(%rsp),%xmm0
  jae    L77
L16:
  lea    D43(%rip),%rdi
  call   <printf@plt>
L99:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L15
  mov    $0x0,%eax
  add    $0x28,%rsp
  ret
L97:
  lea    D93(%rip),%rdi
  call   <printf@plt>
  jmp    L99
L60:
  lea    D94(%rip),%rdi
  call   <printf@plt>
  jmp    L99
L55:
  lea    D96(%rip),%rdi
  call   <printf@plt>
  jmp    L99
L77:
  lea    D87(%rip),%rdi
  call   <printf@plt>
  jmp    L99
L15:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: label: D39
data_type: string
name: disassemble_data
arguments: label: D29
data_type: string
name: disassemble_data
arguments: label: D28
data_type: string
name: disassemble_data
arguments: label: D57
data_type: string
name: disassemble_data
arguments: label: D25
data_type: string
name: disassemble_data
arguments: label: D43
data_type: string
name: disassemble_data
arguments: label: D93
data_type: string
name: disassemble_data
arguments: label: D94
data_type: string
name: disassemble_data
arguments: label: D96
data_type: string
name: disassemble_data
arguments: label: D87
data_type: string

tool: D39: Enter threshold for A, B, C, D


tool: D29: in this order, decreasing persentages > 

tool: D28: %f%f%f%f

tool: D57: Thank you. Now enter student score (percent) > 

tool: D25: %f

tool: D43: Student has failed the course


tool: D93: Student has an A grade


tool: D94: Student has a B grade


tool: D96: Student has a C grade


tool: D87: Student has a D grade


assistant: ```c
int main() {
  float A, B, C, D, score;
  printf("Enter threshold for A, B, C, D\n");
  printf("in this order, decreasing persentages > ");
  scanf("%f%f%f%f", &A, &B, &C, &D);
  printf("Thank you. Now enter student score (percent) > ");
  scanf("%f", &score);
  if (score >= A) {
    printf("Student has an A grade\n");
  } else if (score < A && score >= B) {
    printf("Student has a B grade\n");
  } else if (score < B && score >= C) {
    printf("Student has a C grade\n");
  } else if (score < C && score >= D) {
    printf("Student has a D grade\n");
  } else {
    printf("Student has failed the course\n");
  }
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<main>:
  endbr64
  sub    $0x28,%rsp
  lea    D97(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <printf@plt>
  lea    D77(%rip),%rdi
  call   <printf@plt>
  lea    0xc(%rsp),%rcx
  lea    0x8(%rsp),%rdx
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  lea    0x10(%rsp),%r8
  lea    D31(%rip),%rdi
  call   <scanf@plt>
  lea    D33(%rip),%rdi
  call   <printf@plt>
  xor    %eax,%eax
  lea    0x14(%rsp),%rsi
  lea    D41(%rip),%rdi
  call   <scanf@plt>
  movss  0x14(%rsp),%xmm0
  movss  0x4(%rsp),%xmm1
  comiss %xmm1,%xmm0
  jae    L87
  comiss %xmm0,%xmm1
  movss  0x8(%rsp),%xmm2
  jbe    L53
  comiss %xmm2,%xmm0
  jae    L112
L53:
  comiss %xmm0,%xmm2
  movss  0xc(%rsp),%xmm1
  ja     L39
L103:
  comiss %xmm0,%xmm1
  jbe    L116
  comiss 0x10(%rsp),%xmm0
  jae    L15
L116:
  lea    D28(%rip),%rdi
  call   <printf@plt>
L99:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L56
  xor    %eax,%eax
  add    $0x28,%rsp
  ret
L39:
  comiss %xmm1,%xmm0
  jb     L103
  lea    D91(%rip),%rdi
  call   <printf@plt>
  jmp    L99
L87:
  lea    D64(%rip),%rdi
  call   <printf@plt>
  jmp    L99
L112:
  lea    D98(%rip),%rdi
  call   <printf@plt>
  jmp    L99
L15:
  lea    D94(%rip),%rdi
  call   <printf@plt>
  jmp    L99
L56:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: label: D97
type_infered: string
name: read_data
arguments: label: D77
type_infered: string
name: read_data
arguments: label: D31
type_infered: string
name: read_data
arguments: label: D33
type_infered: string
name: read_data
arguments: label: D41
type_infered: string
name: read_data
arguments: label: D28
type_infered: string
name: read_data
arguments: label: D91
type_infered: string
name: read_data
arguments: label: D64
type_infered: string
name: read_data
arguments: label: D98
type_infered: string
name: read_data
arguments: label: D94
type_infered: string

tool: D97: Enter threshold for A, B, C, D


tool: D77: in this order, decreasing persentages > 

tool: D31: %f%f%f%f

tool: D33: Thank you. Now enter student score (percent) > 

tool: D41: %f

tool: D28: Student has failed the course


tool: D91: Student has a C grade


tool: D64: Student has an A grade


tool: D98: Student has a B grade


tool: D94: Student has a D grade


assistant: ```c
int main() {
  float A, B, C, D, score;
  printf("Enter threshold for A, B, C, D\n");
  printf("in this order, decreasing persentages > ");
  scanf("%f%f%f%f", &A, &B, &C, &D);
  printf("Thank you. Now enter student score (percent) > ");
  scanf("%f", &score);
  if (score >= A) {
    printf("Student has an A grade\n");
  } else if (score < A && score >= B) {
    printf("Student has a B grade\n");
  } else if (score < B && score >= C) {
    printf("Student has a C grade\n");
  } else if (score < C && score >= D) {
    printf("Student has a D grade\n");
  } else {
    printf("Student has failed the course\n");
  }
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<main>:
  endbr64
  sub    $0x28,%rsp
  lea    D81(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <printf@plt>
  lea    D19(%rip),%rdi
  call   <printf@plt>
  lea    0xc(%rsp),%rcx
  lea    0x8(%rsp),%rdx
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  lea    0x10(%rsp),%r8
  lea    D43(%rip),%rdi
  call   <scanf@plt>
  lea    D53(%rip),%rdi
  call   <printf@plt>
  xor    %eax,%eax
  lea    0x14(%rsp),%rsi
  lea    D10(%rip),%rdi
  call   <scanf@plt>
  movss  0x14(%rsp),%xmm0
  movss  0x4(%rsp),%xmm1
  comiss %xmm1,%xmm0
  jae    L115
  comiss %xmm0,%xmm1
  movss  0x8(%rsp),%xmm2
  jbe    L114
  comiss %xmm2,%xmm0
  jae    L27
L114:
  comiss %xmm0,%xmm2
  movss  0xc(%rsp),%xmm1
  ja     L107
L34:
  comiss %xmm0,%xmm1
  jbe    L56
  comiss 0x10(%rsp),%xmm0
  jae    L112
L56:
  lea    D62(%rip),%rdi
  call   <printf@plt>
L23:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L75
  xor    %eax,%eax
  add    $0x28,%rsp
  ret
L107:
  comiss %xmm1,%xmm0
  jb     L34
  lea    D20(%rip),%rdi
  call   <printf@plt>
  jmp    L23
L115:
  lea    D44(%rip),%rdi
  call   <printf@plt>
  jmp    L23
L27:
  lea    D37(%rip),%rdi
  call   <printf@plt>
  jmp    L23
L112:
  lea    D16(%rip),%rdi
  call   <printf@plt>
  jmp    L23
L75:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_label: D81
datatype: string
name: parse_data
arguments: data_label: D19
datatype: string
name: parse_data
arguments: data_label: D43
datatype: string
name: parse_data
arguments: data_label: D53
datatype: string
name: parse_data
arguments: data_label: D10
datatype: string
name: parse_data
arguments: data_label: D62
datatype: string
name: parse_data
arguments: data_label: D20
datatype: string
name: parse_data
arguments: data_label: D44
datatype: string
name: parse_data
arguments: data_label: D37
datatype: string
name: parse_data
arguments: data_label: D16
datatype: string

tool: D81: Enter threshold for A, B, C, D


tool: D19: in this order, decreasing persentages > 

tool: D43: %f%f%f%f

tool: D53: Thank you. Now enter student score (percent) > 

tool: D10: %f

tool: D62: Student has failed the course


tool: D20: Student has a C grade


tool: D44: Student has an A grade


tool: D37: Student has a B grade


tool: D16: Student has a D grade


assistant: ```c
int main() {
  float A, B, C, D, score;
  printf("Enter threshold for A, B, C, D\n");
  printf("in this order, decreasing persentages > ");
  scanf("%f%f%f%f", &A, &B, &C, &D);
  printf("Thank you. Now enter student score (percent) > ");
  scanf("%f", &score);
  if (score >= A) {
    printf("Student has an A grade\n");
  } else if (score < A && score >= B) {
    printf("Student has a B grade\n");
  } else if (score < B && score >= C) {
    printf("Student has a C grade\n");
  } else if (score < C && score >= D) {
    printf("Student has a D grade\n");
  } else {
    printf("Student has failed the course\n");
  }
  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
<ResizeIfNeeded>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x24(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    -0x24(%rbp),%edx
  add    %edx,%eax
  add    $0x1,%eax
  mov    %eax,-0xc(%rbp)
  mov    -0x20(%rbp),%rax
  mov    (%rax),%eax
  cmp    %eax,-0xc(%rbp)
  jle    L8
  addl   $0x64,-0xc(%rbp)
  mov    -0xc(%rbp),%edx
  mov    -0x18(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <realloc@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x20(%rbp),%rax
  mov    -0xc(%rbp),%edx
  mov    %edx,(%rax)
L8:
  mov    -0x8(%rbp),%rax
  leave
  ret
```

assistant: ```c
char *ResizeIfNeeded(char *pBuffer, int *size, int addsize) {
  char *p = pBuffer;
  int newsize = strlen(pBuffer) + addsize + 1;
  if (newsize > *size) {
    newsize += 100;
    p = (char *)realloc(pBuffer, newsize);
    *size = newsize;
  }
  return p;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<ResizeIfNeeded>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    %rsi,%r12
  mov    %edx,%ebp
  call   <strlen@plt>
  add    %ebp,%eax
  cmp    (%r12),%eax
  jge    L18
L14:
  mov    %rbx,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L18:
  lea    0x65(%rax),%ebp
  mov    %ebp,%esi
  mov    %rbx,%rdi
  call   <realloc@plt>
  mov    %rax,%rbx
  mov    %ebp,(%r12)
  jmp    L14
```

assistant: ```c
char *ResizeIfNeeded(char *pBuffer, int *size, int addsize) {
  char *p = pBuffer;
  int newsize = strlen(pBuffer) + addsize + 1;
  if (newsize > *size) {
    newsize += 100;
    p = (char *)realloc(pBuffer, newsize);
    *size = newsize;
  }
  return p;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<ResizeIfNeeded>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %edx,%ebx
  call   <strlen@plt>
  add    %ebx,%eax
  cmp    0x0(%rbp),%eax
  jge    L0
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L0:
  lea    0x65(%rax),%ebx
  mov    %r12,%rdi
  mov    %ebx,%esi
  call   <realloc@plt>
  mov    %ebx,0x0(%rbp)
  pop    %rbx
  mov    %rax,%r12
  pop    %rbp
  mov    %r12,%rax
  pop    %r12
  ret
```

assistant: ```c
char *ResizeIfNeeded(char *pBuffer, int *size, int addsize) {
  char *p = pBuffer;
  int newsize = strlen(pBuffer) + addsize + 1;
  if (newsize > *size) {
    newsize += 100;
    p = (char *)realloc(pBuffer, newsize);
    *size = newsize;
  }
  return p;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<ResizeIfNeeded>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %edx,%ebx
  call   <strlen@plt>
  add    %ebx,%eax
  cmp    0x0(%rbp),%eax
  jge    L1
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L1:
  lea    0x65(%rax),%ebx
  mov    %r12,%rdi
  mov    %ebx,%esi
  call   <realloc@plt>
  mov    %ebx,0x0(%rbp)
  pop    %rbx
  mov    %rax,%r12
  pop    %rbp
  mov    %r12,%rax
  pop    %r12
  ret
```

assistant: ```c
char *ResizeIfNeeded(char *pBuffer, int *size, int addsize) {
  char *p = pBuffer;
  int newsize = strlen(pBuffer) + addsize + 1;
  if (newsize > *size) {
    newsize += 100;
    p = (char *)realloc(pBuffer, newsize);
    *size = newsize;
  }
  return p;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<x86_family>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  mov    -0x14(%rbp),%eax
  shr    $0x8,%eax
  and    $0xf,%eax
  mov    %eax,-0x4(%rbp)
  cmpl   $0xf,-0x4(%rbp)
  jne    L2
  mov    -0x14(%rbp),%eax
  shr    $0x14,%eax
  movzbl %al,%eax
  add    %eax,-0x4(%rbp)
L2:
  mov    -0x4(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
unsigned int x86_family(unsigned int sig) {
  unsigned int x86;
  x86 = (sig >> 8) & 0xf;
  if (x86 == 0xf)
    x86 += (sig >> 20) & 0xff;
  return x86;
}
```