ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Converte this assembly snippet into its equivalent C code:

```asm
<createMatrix>:
  endbr64
  push   %r15
  mov    %edi,%r15d
  push   %r14
  mov    %esi,%r14d
  mov    $0x8,%esi
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %edi,0x4(%rsp)
  call   <calloc@plt>
  mov    %rax,0x8(%rsp)
  test   %r15d,%r15d
  jle    L0
  mov    %rax,%rbx
  lea    -0x1(%r14),%eax
  xor    %r13d,%r13d
  lea    0x8(,%rax,8),%r12
  lea    D5(%rip),%rbp
  nopl   0x0(%rax)
L20:
  mov    $0x8,%esi
  mov    %r14d,%edi
  call   <calloc@plt>
  mov    %r13d,%esi
  lea    D8(%rip),%rdi
  mov    %rax,(%rbx)
  call   <printf@plt>
  test   %r14d,%r14d
  jle    L3
  xor    %r15d,%r15d
  nopw   0x0(%rax,%rax,1)
L17:
  mov    (%rbx),%rsi
  mov    %rbp,%rdi
  add    %r15,%rsi
  add    $0x8,%r15
  call   <scanf@plt>
  cmp    %r15,%r12
  jne    L17
L3:
  add    $0x1,%r13d
  add    $0x8,%rbx
  cmp    %r13d,0x4(%rsp)
  jne    L20
L0:
  mov    0x8(%rsp),%rax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

tool_calls: name: read_data
arguments: data_label: D5
type_guessed: string
name: read_data
arguments: data_label: D8
type_guessed: string

tool: D5: %lf

tool: D8: Unesite %d. vrstu matrice:


assistant: ```c
double **createMatrix(int m, int n) {
  double **matrix;
  int i, j;
  matrix = calloc(m, sizeof(double *));
  for (i = 0; i < m; i++) {
    matrix[i] = calloc(n, sizeof(double));
    printf("Unesite %d. vrstu matrice:\n", i);
    for (j = 0; j < n; j++)
      scanf("%lf", &matrix[i][j]);
  }
  return matrix;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<createMatrix>:
  endbr64
  push   %r15
  mov    %edi,%r15d
  push   %r14
  mov    %esi,%r14d
  mov    $0x8,%esi
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %edi,0x4(%rsp)
  call   <calloc@plt>
  mov    %rax,0x8(%rsp)
  test   %r15d,%r15d
  jle    L19
  mov    %rax,%rbx
  lea    -0x1(%r14),%eax
  xor    %r13d,%r13d
  lea    0x8(,%rax,8),%r12
  lea    D3(%rip),%rbp
  nopl   0x0(%rax)
L25:
  mov    $0x8,%esi
  mov    %r14d,%edi
  call   <calloc@plt>
  mov    %r13d,%esi
  lea    D12(%rip),%rdi
  mov    %rax,(%rbx)
  call   <printf@plt>
  test   %r14d,%r14d
  jle    L11
  xor    %r15d,%r15d
  nopw   0x0(%rax,%rax,1)
L17:
  mov    (%rbx),%rsi
  mov    %rbp,%rdi
  add    %r15,%rsi
  add    $0x8,%r15
  call   <scanf@plt>
  cmp    %r15,%r12
  jne    L17
L11:
  add    $0x1,%r13d
  add    $0x8,%rbx
  cmp    %r13d,0x4(%rsp)
  jne    L25
L19:
  mov    0x8(%rsp),%rax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D3
data_type: string
name: unpack_data
arguments: data_label: D12
data_type: string

tool: D3: %lf

tool: D12: Unesite %d. vrstu matrice:


assistant: ```c
double **createMatrix(int m, int n) {
  double **matrix;
  int i, j;
  matrix = calloc(m, sizeof(double *));
  for (i = 0; i < m; i++) {
    matrix[i] = calloc(n, sizeof(double));
    printf("Unesite %d. vrstu matrice:\n", i);
    for (j = 0; j < n; j++)
      scanf("%lf", &matrix[i][j]);
  }
  return matrix;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<set_bg_digits>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    %ecx,%eax
  mov    %r8,-0x30(%rbp)
  mov    %al,-0x18(%rbp)
  movl   $0x0,-0x8(%rbp)
  jmp    L28
L2:
  mov    -0x14(%rbp),%eax
  sub    $0x1,%eax
  cmp    %eax,-0x8(%rbp)
  jne    L4
  mov    $0x3e8,%eax
  jmp    L30
L4:
  mov    $0x0,%eax
L30:
  mov    %eax,-0x4(%rbp)
  mov    -0x8(%rbp),%eax
  lea    0x0(,%rax,4),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    -0x8(%rbp),%edx
  lea    0x0(,%rdx,4),%rcx
  mov    -0x28(%rbp),%rdx
  add    %rcx,%rdx
  mov    (%rdx),%ecx
  mov    $0x0,%edx
  div    %ecx
  mov    -0x4(%rbp),%eax
  lea    (%rdx,%rax,1),%ecx
  movsbl -0x18(%rbp),%edx
  mov    -0x30(%rbp),%rax
  lea    D9(%rip),%rsi
  mov    %rax,%rdi
  call   <sprintf@plt>
  cltq
  add    %rax,-0x30(%rbp)
  addl   $0x1,-0x8(%rbp)
L28:
  mov    -0x8(%rbp),%eax
  cmp    -0x14(%rbp),%eax
  jb     L2
  nop
  nop
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: data_label: D9
type_infered: string

tool: D9: %c%d

assistant: ```c
void set_bg_digits(unsigned int len, unsigned int *digits, const unsigned int *mods, char sep, char *buf) {
  unsigned int i;
  for (i = 0; i < len; ++i) {
    unsigned int base = (i == (len - 1)) ? 1000 : 0;
    buf += sprintf(buf, "%c%d", sep, base + (digits[i] % mods[i]));
  }
}
```
user: What is the c source code of the assembly code below?

```asm
<set_bg_digits>:
  endbr64
  test   %edi,%edi
  je     L17
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rsi,%r13
  mov    %rdx,%r12
  mov    %r8,%rbp
  mov    %ecx,%r14d
  lea    -0x1(%rdi),%r15d
  mov    %edi,%eax
  mov    %rax,0x8(%rsp)
  mov    $0x0,%ebx
L12:
  cmp    %ebx,%r15d
  mov    $0x3e8,%ecx
  mov    $0x0,%eax
  cmovne %eax,%ecx
  mov    0x0(%r13,%rbx,4),%eax
  mov    $0x0,%edx
  divl   (%r12,%rbx,4)
  add    %edx,%ecx
  movsbl %r14b,%edx
  lea    D1(%rip),%rsi
  mov    %rbp,%rdi
  call   <sprintf@plt>
  cltq
  add    %rax,%rbp
  add    $0x1,%rbx
  cmp    0x8(%rsp),%rbx
  jne    L12
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L17:
  ret
```

tool_calls: name: parse_data
arguments: tag: D1
type: string

tool: D1: %c%d

assistant: ```c
void set_bg_digits(unsigned int len, unsigned int *digits, const unsigned int *mods, char sep, char *buf) {
  unsigned int i;
  for (i = 0; i < len; ++i) {
    unsigned int base = (i == (len - 1)) ? 1000 : 0;
    buf += sprintf(buf, "%c%d", sep, base + (digits[i] % mods[i]));
  }
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<set_bg_digits>:
  endbr64
  test   %edi,%edi
  je     L8
  push   %r15
  lea    -0x1(%rdi),%eax
  mov    %r8,%r15
  push   %r14
  lea    D6(%rip),%r14
  push   %r13
  mov    %rsi,%r13
  push   %r12
  movsbl %cl,%r12d
  push   %rbp
  xor    %ebp,%ebp
  push   %rbx
  mov    %rdx,%rbx
  sub    $0x18,%rsp
  mov    %eax,0xc(%rsp)
  mov    %edi,%eax
  mov    %rax,(%rsp)
  nopl   (%rax)
L7:
  cmp    %ebp,0xc(%rsp)
  mov    $0x0,%eax
  mov    %r15,%rdi
  mov    %r14,%rsi
  mov    $0x3e8,%ecx
  cmovne %eax,%ecx
  mov    0x0(%r13,%rbp,4),%eax
  xor    %edx,%edx
  divl   (%rbx,%rbp,4)
  add    $0x1,%rbp
  add    %edx,%ecx
  mov    %r12d,%edx
  call   <sprintf@plt>
  cltq
  add    %rax,%r15
  cmp    %rbp,(%rsp)
  jne    L7
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L8:
  ret
```

tool_calls: name: read_data
arguments: data_tag: D6
type_guessed: string

tool: D6: %c%d

assistant: ```c
void set_bg_digits(unsigned int len, unsigned int *digits, const unsigned int *mods, char sep, char *buf) {
  unsigned int i;
  for (i = 0; i < len; ++i) {
    unsigned int base = (i == (len - 1)) ? 1000 : 0;
    buf += sprintf(buf, "%c%d", sep, base + (digits[i] % mods[i]));
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<set_bg_digits>:
  endbr64
  test   %edi,%edi
  je     L30
  push   %r15
  lea    -0x1(%rdi),%eax
  mov    %r8,%r15
  push   %r14
  lea    D8(%rip),%r14
  push   %r13
  movsbl %cl,%r13d
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  xor    %ebx,%ebx
  sub    $0x18,%rsp
  mov    %eax,0xc(%rsp)
  mov    %edi,%eax
  mov    %rax,(%rsp)
  nopl   (%rax)
L1:
  mov    (%r12,%rbx,4),%eax
  xor    %edx,%edx
  divl   0x0(%rbp,%rbx,4)
  cmp    %ebx,0xc(%rsp)
  je     L26
  mov    %edx,%ecx
  mov    %r15,%rdi
  mov    %r13d,%edx
  mov    %r14,%rsi
  call   <sprintf@plt>
  add    $0x1,%rbx
  cltq
  add    %rax,%r15
  cmp    (%rsp),%rbx
  jne    L1
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  xchg   %ax,%ax
L26:
  lea    0x3e8(%rdx),%ecx
  mov    %r15,%rdi
  mov    %r13d,%edx
  mov    %r14,%rsi
  call   <sprintf@plt>
  add    $0x1,%rbx
  cltq
  add    %rax,%r15
  cmp    %rbx,(%rsp)
  jne    L1
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L30:
  ret
```

tool_calls: name: unpack_data
arguments: label: D8
type: string

tool: D8: %c%d

assistant: ```c
void set_bg_digits(unsigned int len, unsigned int *digits, const unsigned int *mods, char sep, char *buf) {
  unsigned int i;
  for (i = 0; i < len; ++i) {
    unsigned int base = (i == (len - 1)) ? 1000 : 0;
    buf += sprintf(buf, "%c%d", sep, base + (digits[i] % mods[i]));
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<delete_dive_site>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  je     L7
  mov    -0x10(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <remove_dive_site@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <free_dive_site@plt>
  jmp    L5
L7:
  nop
L5:
  leave
  ret
```

assistant: ```c
void delete_dive_site(struct dive_site *ds, struct dive_site_table *ds_table) {
  if (!ds)
    return;
  remove_dive_site(ds, ds_table);
  free_dive_site(ds);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<delete_dive_site>:
  endbr64
  test   %rdi,%rdi
  je     L6
  push   %rbx
  mov    %rdi,%rbx
  call   <remove_dive_site@plt>
  mov    %rbx,%rdi
  call   <free_dive_site@plt>
  pop    %rbx
  ret
L6:
  ret
```

assistant: ```c
void delete_dive_site(struct dive_site *ds, struct dive_site_table *ds_table) {
  if (!ds)
    return;
  remove_dive_site(ds, ds_table);
  free_dive_site(ds);
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<delete_dive_site>:
  endbr64
  test   %rdi,%rdi
  je     L6
  push   %rbp
  mov    %rdi,%rbp
  call   <remove_dive_site@plt>
  mov    %rbp,%rdi
  pop    %rbp
  jmp    1070 <free_dive_site@plt>
  nopl   0x0(%rax,%rax,1)
L6:
  ret
```

assistant: ```c
void delete_dive_site(struct dive_site *ds, struct dive_site_table *ds_table) {
  if (!ds)
    return;
  remove_dive_site(ds, ds_table);
  free_dive_site(ds);
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<delete_dive_site>:
  endbr64
  test   %rdi,%rdi
  je     L8
  push   %rbp
  mov    %rdi,%rbp
  call   <remove_dive_site@plt>
  mov    %rbp,%rdi
  pop    %rbp
  jmp    1070 <free_dive_site@plt>
  nopl   0x0(%rax,%rax,1)
L8:
  ret
```

assistant: ```c
void delete_dive_site(struct dive_site *ds, struct dive_site_table *ds_table) {
  if (!ds)
    return;
  remove_dive_site(ds, ds_table);
  free_dive_site(ds);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<dhcp_vendor>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <uname@plt>
  test   %rax,%rax
  je     L80
  mov    -0x40(%rbp),%rsi
  mov    -0x38(%rbp),%rax
  lea    D49(%rip),%r8
  lea    D23(%rip),%rdx
  mov    %rdx,%rcx
  lea    D22(%rip),%rdx
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  jmp    L36
L80:
  mov    -0x38(%rbp),%rax
  mov    %rax,-0x28(%rbp)
  mov    -0x10(%rbp),%rcx
  mov    -0x18(%rbp),%rdx
  mov    -0x20(%rbp),%rdi
  mov    -0x40(%rbp),%rsi
  mov    -0x28(%rbp),%rax
  push   %rcx
  push   %rdx
  mov    %rdi,%r9
  lea    D49(%rip),%r8
  lea    D23(%rip),%rdx
  mov    %rdx,%rcx
  lea    D14(%rip),%rdx
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  add    $0x10,%rsp
  mov    %eax,-0x2c(%rbp)
  cmpl   $0xffffffff,-0x2c(%rbp)
  je     L68
  mov    -0x2c(%rbp),%eax
  add    $0x1,%eax
  cltq
  cmp    %rax,-0x40(%rbp)
  jae    L11
L68:
  mov    $0xffffffff,%eax
  jmp    L36
L11:
  mov    -0x2c(%rbp),%eax
  cltq
  add    %rax,-0x28(%rbp)
  mov    -0x2c(%rbp),%eax
  cltq
  sub    %rax,-0x40(%rbp)
  mov    -0x40(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <if_machinearch@plt>
  mov    %eax,-0x2c(%rbp)
  cmpl   $0xffffffff,-0x2c(%rbp)
  je     L42
  mov    -0x2c(%rbp),%eax
  add    $0x1,%eax
  cltq
  cmp    %rax,-0x40(%rbp)
  jae    L16
L42:
  mov    $0xffffffff,%eax
  jmp    L36
L16:
  mov    -0x2c(%rbp),%eax
  cltq
  add    %rax,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  sub    -0x38(%rbp),%rax
L36:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L84
  call   <__stack_chk_fail@plt>
L84:
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: data_tag: D49
data_type: string
name: retrieve_data
arguments: data_tag: D23
data_type: string
name: retrieve_data
arguments: data_tag: D22
data_type: string
name: retrieve_data
arguments: data_tag: D14
data_type: string

tool: D49: 6.7.1

tool: D23: dhcpcd

tool: D22: %s-%s

tool: D14: %s-%s:%s-%s:%s

assistant: ```c
ssize_t dhcp_vendor(char *str, size_t len) {
  struct utsname utn;
  char *p;
  int l;
  if (uname(&utn) != 0)
    return (ssize_t)snprintf(str, len, "%s-%s", "dhcpcd", "6.7.1");
  p = str;
  l = snprintf(p, len, "%s-%s:%s-%s:%s", "dhcpcd", "6.7.1", utn.sysname, utn.release, utn.machine);
  if (l == -1 || (size_t)(l + 1) > len)
    return -1;
  p += l;
  len -= (size_t)l;
  l = if_machinearch(p, len);
  if (l == -1 || (size_t)(l + 1) > len)
    return -1;
  p += l;
  return p - str;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<dhcp_vendor>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x20,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  call   <uname@plt>
  test   %rax,%rax
  jne    L22
  push   0x10(%rsp)
  push   0x10(%rsp)
  mov    0x10(%rsp),%r9
  lea    D33(%rip),%r8
  lea    D6(%rip),%rcx
  lea    D7(%rip),%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  add    $0x10,%rsp
  cmp    $0xffffffff,%eax
  je     L55
  lea    0x1(%rax),%edx
  movslq %edx,%rdx
  cmp    %rbp,%rdx
  ja     L84
  cltq
  lea    (%rbx,%rax,1),%r12
  sub    %rax,%rbp
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <if_machinearch@plt>
  cmp    $0xffffffff,%eax
  je     L55
  lea    0x1(%rax),%edx
  movslq %edx,%rdx
  cmp    %rbp,%rdx
  ja     L66
  lea    (%rax,%r12,1),%eax
  sub    %ebx,%eax
L55:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L12
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L22:
  lea    D33(%rip),%r8
  lea    D6(%rip),%rcx
  lea    D40(%rip),%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  mov    $0x0,%eax
  call   <snprintf@plt>
  jmp    L55
L84:
  mov    $0xffffffff,%eax
  jmp    L55
L66:
  mov    $0xffffffff,%eax
  jmp    L55
L12:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_tag: D33
type_guessed: string
name: read_data
arguments: data_tag: D6
type_guessed: string
name: read_data
arguments: data_tag: D7
type_guessed: string
name: read_data
arguments: data_tag: D40
type_guessed: string

tool: D33: 6.7.1

tool: D6: dhcpcd

tool: D7: %s-%s:%s-%s:%s

tool: D40: %s-%s

assistant: ```c
ssize_t dhcp_vendor(char *str, size_t len) {
  struct utsname utn;
  char *p;
  int l;
  if (uname(&utn) != 0)
    return (ssize_t)snprintf(str, len, "%s-%s", "dhcpcd", "6.7.1");
  p = str;
  l = snprintf(p, len, "%s-%s:%s-%s:%s", "dhcpcd", "6.7.1", utn.sysname, utn.release, utn.machine);
  if (l == -1 || (size_t)(l + 1) > len)
    return -1;
  p += l;
  len -= (size_t)l;
  l = if_machinearch(p, len);
  if (l == -1 || (size_t)(l + 1) > len)
    return -1;
  p += l;
  return p - str;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<dhcp_vendor>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  call   <uname@plt>
  test   %rax,%rax
  jne    L36
  push   0x10(%rsp)
  lea    D54(%rip),%rcx
  mov    %rbp,%rsi
  xor    %eax,%eax
  push   0x10(%rsp)
  lea    D56(%rip),%rdx
  lea    D5(%rip),%r8
  mov    %r12,%rdi
  mov    0x10(%rsp),%r9
  call   <snprintf@plt>
  pop    %rdx
  pop    %rcx
  cmp    $0xffffffff,%eax
  je     L46
  lea    0x1(%rax),%edx
  movslq %edx,%rdx
  cmp    %rbp,%rdx
  ja     L46
  cltq
  sub    %rax,%rbp
  lea    (%r12,%rax,1),%rbx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <if_machinearch@plt>
  cmp    $0xffffffff,%eax
  je     L46
  lea    0x1(%rax),%edx
  movslq %edx,%rdx
  cmp    %rbp,%rdx
  ja     L46
  add    %ebx,%eax
  sub    %r12d,%eax
L0:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L76
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  cs nopw 0x0(%rax,%rax,1)
L36:
  lea    D5(%rip),%r8
  mov    %rbp,%rsi
  mov    %r12,%rdi
  xor    %eax,%eax
  lea    D54(%rip),%rcx
  lea    D9(%rip),%rdx
  call   <snprintf@plt>
  jmp    L0
  nopl   0x0(%rax)
L46:
  mov    $0xffffffff,%eax
  jmp    L0
L76:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_tag: D54
type_guessed: string
name: read_data
arguments: data_tag: D56
type_guessed: string
name: read_data
arguments: data_tag: D5
type_guessed: string
name: read_data
arguments: data_tag: D9
type_guessed: string

tool: D54: dhcpcd

tool: D56: %s-%s:%s-%s:%s

tool: D5: 6.7.1

tool: D9: %s-%s

assistant: ```c
ssize_t dhcp_vendor(char *str, size_t len) {
  struct utsname utn;
  char *p;
  int l;
  if (uname(&utn) != 0)
    return (ssize_t)snprintf(str, len, "%s-%s", "dhcpcd", "6.7.1");
  p = str;
  l = snprintf(p, len, "%s-%s:%s-%s:%s", "dhcpcd", "6.7.1", utn.sysname, utn.release, utn.machine);
  if (l == -1 || (size_t)(l + 1) > len)
    return -1;
  p += l;
  len -= (size_t)l;
  l = if_machinearch(p, len);
  if (l == -1 || (size_t)(l + 1) > len)
    return -1;
  p += l;
  return p - str;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<dhcp_vendor>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  call   <uname@plt>
  test   %rax,%rax
  jne    L56
  push   0x10(%rsp)
  lea    D27(%rip),%rcx
  mov    %rbp,%rsi
  xor    %eax,%eax
  push   0x10(%rsp)
  lea    D47(%rip),%rdx
  lea    D3(%rip),%r8
  mov    %r12,%rdi
  mov    0x10(%rsp),%r9
  call   <snprintf@plt>
  pop    %rdx
  pop    %rcx
  cmp    $0xffffffff,%eax
  je     L28
  lea    0x1(%rax),%edx
  movslq %edx,%rdx
  cmp    %rbp,%rdx
  ja     L28
  cltq
  sub    %rax,%rbp
  lea    (%r12,%rax,1),%rbx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <if_machinearch@plt>
  cmp    $0xffffffff,%eax
  je     L28
  lea    0x1(%rax),%edx
  movslq %edx,%rdx
  cmp    %rbp,%rdx
  ja     L28
  add    %ebx,%eax
  sub    %r12d,%eax
L46:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L11
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  cs nopw 0x0(%rax,%rax,1)
L56:
  lea    D3(%rip),%r8
  mov    %rbp,%rsi
  mov    %r12,%rdi
  xor    %eax,%eax
  lea    D27(%rip),%rcx
  lea    D57(%rip),%rdx
  call   <snprintf@plt>
  jmp    L46
  nopl   0x0(%rax)
L28:
  mov    $0xffffffff,%eax
  jmp    L46
L11:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: tag: D27
type: string
name: disassemble_data
arguments: tag: D47
type: string
name: disassemble_data
arguments: tag: D3
type: string
name: disassemble_data
arguments: tag: D57
type: string

tool: D27: dhcpcd

tool: D47: %s-%s:%s-%s:%s

tool: D3: 6.7.1

tool: D57: %s-%s

assistant: ```c
ssize_t dhcp_vendor(char *str, size_t len) {
  struct utsname utn;
  char *p;
  int l;
  if (uname(&utn) != 0)
    return (ssize_t)snprintf(str, len, "%s-%s", "dhcpcd", "6.7.1");
  p = str;
  l = snprintf(p, len, "%s-%s:%s-%s:%s", "dhcpcd", "6.7.1", utn.sysname, utn.release, utn.machine);
  if (l == -1 || (size_t)(l + 1) > len)
    return -1;
  p += l;
  len -= (size_t)l;
  l = if_machinearch(p, len);
  if (l == -1 || (size_t)(l + 1) > len)
    return -1;
  p += l;
  return p - str;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<dehexify>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    -0x20(%rbp),%rdx
  add    %rdx,%rdx
  cmp    %rdx,%rax
  jae    L7
  mov    $0xffffffff,%eax
  jmp    L51
L7:
  mov    -0x20(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <memset@plt>
  movl   $0x0,-0x8(%rbp)
  jmp    L10
L16:
  mov    -0x8(%rbp),%eax
  add    %eax,%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <dehex_nibble@plt>
  mov    %eax,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  js     L89
  cmpl   $0xf,-0x4(%rbp)
  jle    L93
L89:
  mov    $0xffffffff,%eax
  jmp    L51
L93:
  mov    -0x4(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  shl    $0x4,%ecx
  mov    %ecx,%edx
  mov    %dl,(%rax)
  mov    -0x8(%rbp),%eax
  add    %eax,%eax
  cltq
  lea    0x1(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <dehex_nibble@plt>
  mov    %eax,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  js     L92
  cmpl   $0xf,-0x4(%rbp)
  jle    L61
L92:
  mov    $0xffffffff,%eax
  jmp    L51
L61:
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  mov    %edx,%ecx
  or     %eax,%ecx
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    %ecx,%edx
  mov    %dl,(%rax)
  addl   $0x1,-0x8(%rbp)
L10:
  mov    -0x8(%rbp),%eax
  cltq
  cmp    %rax,-0x20(%rbp)
  ja     L16
  mov    $0x0,%eax
L51:
  leave
  ret
```

assistant: ```c
int dehexify(const char *in, size_t bytes, unsigned char *out) {
  int i;
  int x;
  if (strlen(in) < bytes * 2) {
    return -1;
  }
  memset(out, 0, bytes);
  for (i = 0; i < bytes; i++) {
    x = dehex_nibble(in[(i * 2)]);
    if (x < 0 || x > 15) {
      return -1;
    }
    out[i] = (x << 4);
    x = dehex_nibble(in[(i * 2) + 1]);
    if (x < 0 || x > 15) {
      return -1;
    }
    out[i] |= x;
  }
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<dehexify>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  mov    %rsi,%r13
  mov    %rdx,%r12
  call   <strlen@plt>
  mov    %rax,%rdx
  lea    0x0(%r13,%r13,1),%rax
  cmp    %rax,%rdx
  jb     L89
  mov    %r13,%rdx
  mov    $0x0,%esi
  mov    %r12,%rdi
  call   <memset@plt>
  test   %r13,%r13
  je     L46
  mov    %r12,%rbx
  add    $0x1,%rbp
  add    %r13,%r12
L80:
  movsbl -0x1(%rbp),%edi
  call   <dehex_nibble@plt>
  cmp    $0xf,%eax
  ja     L69
  shl    $0x4,%eax
  mov    %al,(%rbx)
  movsbl 0x0(%rbp),%edi
  call   <dehex_nibble@plt>
  cmp    $0xf,%eax
  ja     L31
  or     %al,(%rbx)
  add    $0x1,%rbx
  add    $0x2,%rbp
  cmp    %r12,%rbx
  jne    L80
  mov    $0x0,%eax
  jmp    L28
L89:
  mov    $0xffffffff,%eax
  jmp    L28
L46:
  mov    $0x0,%eax
  jmp    L28
L69:
  mov    $0xffffffff,%eax
L28:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L31:
  mov    $0xffffffff,%eax
  jmp    L28
```

assistant: ```c
int dehexify(const char *in, size_t bytes, unsigned char *out) {
  int i;
  int x;
  if (strlen(in) < bytes * 2) {
    return -1;
  }
  memset(out, 0, bytes);
  for (i = 0; i < bytes; i++) {
    x = dehex_nibble(in[(i * 2)]);
    if (x < 0 || x > 15) {
      return -1;
    }
    out[i] = (x << 4);
    x = dehex_nibble(in[(i * 2) + 1]);
    if (x < 0 || x > 15) {
      return -1;
    }
    out[i] |= x;
  }
  return 0;
}
```