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

```asm
<ror>:
  endbr64
  mov    %rdi,%rax
  mov    %esi,%ecx
  ror    %cl,%eax
  ret
```

assistant: ```c
long ror(long value, int n) {
  __asm__("ror %%cl, %%eax" : "=a"(value) : "a"(value), "c"(n));
  return value;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<ror>:
  endbr64
  mov    %rdi,%rax
  mov    %esi,%ecx
  ror    %cl,%eax
  ret
```

assistant: ```c
long ror(long value, int n) {
  __asm__("ror %%cl, %%eax" : "=a"(value) : "a"(value), "c"(n));
  return value;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<load_data>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x50,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %rdx,-0x48(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x38(%rbp),%rax
  lea    D14(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x18(%rbp)
  lea    -0x24(%rbp),%rcx
  lea    -0x28(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  lea    D22(%rip),%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <fscanf@plt>
  mov    -0x24(%rbp),%edx
  mov    -0x28(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <new_matrix2@plt>
  mov    %rax,-0x10(%rbp)
  movl   $0x0,-0x20(%rbp)
  jmp    L8
L42:
  movl   $0x0,-0x1c(%rbp)
  jmp    L7
L28:
  mov    -0x20(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x1c(%rbp),%eax
  cltq
  shl    $0x3,%rax
  add    %rax,%rdx
  mov    -0x18(%rbp),%rax
  lea    D10(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <fscanf@plt>
  addl   $0x1,-0x1c(%rbp)
L7:
  mov    -0x24(%rbp),%eax
  cmp    %eax,-0x1c(%rbp)
  jl     L28
  addl   $0x1,-0x20(%rbp)
L8:
  mov    -0x28(%rbp),%eax
  cmp    %eax,-0x20(%rbp)
  jl     L42
  mov    -0x28(%rbp),%edx
  mov    -0x40(%rbp),%rax
  mov    %edx,(%rax)
  mov    -0x24(%rbp),%edx
  mov    -0x48(%rbp),%rax
  mov    %edx,(%rax)
  mov    -0x10(%rbp),%rax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L34
  call   <__stack_chk_fail@plt>
L34:
  leave
  ret
```

tool_calls: name: parse_data
arguments: data_label: D14
data_type: string
name: parse_data
arguments: data_label: D22
data_type: string
name: parse_data
arguments: data_label: D10
data_type: string

tool: D14: r

tool: D22: %d %d


tool: D10: %lf

assistant: ```c
double **load_data(char *filename, int *n_ptr, int *d_ptr) {
  FILE *f = fopen(filename, "r");
  int n, d, i, j;
  fscanf(f, "%d %d\n", &n, &d);
  double **X = new_matrix2(n, d);
  for (i = 0; i < n; i++)
    for (j = 0; j < d; j++)
      fscanf(f, "%lf", &X[i][j]);
  *n_ptr = n;
  *d_ptr = d;
  return X;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<load_data>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rsi,(%rsp)
  mov    %rdx,0x8(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    D28(%rip),%rsi
  call   <fopen@plt>
  mov    %rax,%r12
  lea    0x14(%rsp),%rcx
  lea    0x10(%rsp),%rdx
  lea    D15(%rip),%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <fscanf@plt>
  mov    0x14(%rsp),%esi
  mov    0x10(%rsp),%edi
  call   <new_matrix2@plt>
  mov    %rax,%r15
  mov    0x10(%rsp),%eax
  test   %eax,%eax
  jle    L56
  mov    %r15,%rbp
  mov    $0x0,%r14d
  lea    D26(%rip),%r13
  jmp    L25
L69:
  mov    0x0(%rbp),%rax
  lea    (%rax,%rbx,8),%rdx
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    $0x0,%eax
  call   <fscanf@plt>
  add    $0x1,%rbx
  cmp    %ebx,0x14(%rsp)
  jg     L69
L23:
  add    $0x1,%r14d
  mov    0x10(%rsp),%eax
  add    $0x8,%rbp
  cmp    %r14d,%eax
  jle    L56
L25:
  mov    $0x0,%ebx
  cmpl   $0x0,0x14(%rsp)
  jg     L69
  jmp    L23
L56:
  mov    (%rsp),%rcx
  mov    %eax,(%rcx)
  mov    0x14(%rsp),%eax
  mov    0x8(%rsp),%rcx
  mov    %eax,(%rcx)
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L28
  mov    %r15,%rax
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L28:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_label: D28
type: string
name: retrieve_data
arguments: data_label: D15
type: string
name: retrieve_data
arguments: data_label: D26
type: string

tool: D28: r

tool: D15: %d %d


tool: D26: %lf

assistant: ```c
double **load_data(char *filename, int *n_ptr, int *d_ptr) {
  FILE *f = fopen(filename, "r");
  int n, d, i, j;
  fscanf(f, "%d %d\n", &n, &d);
  double **X = new_matrix2(n, d);
  for (i = 0; i < n; i++)
    for (j = 0; j < d; j++)
      fscanf(f, "%lf", &X[i][j]);
  *n_ptr = n;
  *d_ptr = d;
  return X;
}
```
user: What is the c source code of the assembly code below?

```asm
<load_data>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rsi,(%rsp)
  lea    D20(%rip),%rsi
  mov    %rdx,0x8(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <fopen@plt>
  lea    0x10(%rsp),%rdx
  lea    0x14(%rsp),%rcx
  mov    %rax,%rdi
  lea    D10(%rip),%rsi
  mov    %rax,%rbx
  xor    %eax,%eax
  call   <fscanf@plt>
  mov    0x14(%rsp),%esi
  mov    0x10(%rsp),%edi
  call   <new_matrix2@plt>
  mov    0x10(%rsp),%edx
  mov    %rax,%r13
  mov    0x14(%rsp),%eax
  test   %edx,%edx
  jle    L2
  mov    %r13,%r14
  xor    %r12d,%r12d
  lea    D14(%rip),%rbp
  xchg   %ax,%ax
L38:
  xor    %r15d,%r15d
  test   %eax,%eax
  jle    L23
  nopw   0x0(%rax,%rax,1)
L15:
  mov    (%r14),%rax
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  lea    (%rax,%r15,8),%rdx
  xor    %eax,%eax
  add    $0x1,%r15
  call   <fscanf@plt>
  mov    0x14(%rsp),%eax
  cmp    %r15d,%eax
  jg     L15
  mov    0x10(%rsp),%edx
L23:
  add    $0x1,%r12d
  add    $0x8,%r14
  cmp    %r12d,%edx
  jg     L38
L2:
  mov    (%rsp),%rcx
  mov    %edx,(%rcx)
  mov    0x8(%rsp),%rcx
  mov    %eax,(%rcx)
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L36
  add    $0x28,%rsp
  mov    %r13,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L36:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: label: D20
type_guessed: string
name: retrieve_data
arguments: label: D10
type_guessed: string
name: retrieve_data
arguments: label: D14
type_guessed: string

tool: D20: r

tool: D10: %d %d


tool: D14: %lf

assistant: ```c
double **load_data(char *filename, int *n_ptr, int *d_ptr) {
  FILE *f = fopen(filename, "r");
  int n, d, i, j;
  fscanf(f, "%d %d\n", &n, &d);
  double **X = new_matrix2(n, d);
  for (i = 0; i < n; i++)
    for (j = 0; j < d; j++)
      fscanf(f, "%lf", &X[i][j]);
  *n_ptr = n;
  *d_ptr = d;
  return X;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<load_data>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rsi,(%rsp)
  lea    D12(%rip),%rsi
  mov    %rdx,0x8(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <fopen@plt>
  lea    0x10(%rsp),%rdx
  lea    0x14(%rsp),%rcx
  mov    %rax,%rdi
  lea    D14(%rip),%rsi
  mov    %rax,%rbx
  xor    %eax,%eax
  call   <fscanf@plt>
  mov    0x14(%rsp),%esi
  mov    0x10(%rsp),%edi
  call   <new_matrix2@plt>
  mov    0x10(%rsp),%edx
  mov    %rax,%r13
  mov    0x14(%rsp),%eax
  test   %edx,%edx
  jle    L52
  mov    %r13,%r14
  xor    %r12d,%r12d
  lea    D1(%rip),%rbp
  test   %eax,%eax
  jle    L52
  nopw   0x0(%rax,%rax,1)
L43:
  xor    %r15d,%r15d
  nopl   0x0(%rax,%rax,1)
L58:
  mov    (%r14),%rax
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  lea    (%rax,%r15,8),%rdx
  xor    %eax,%eax
  add    $0x1,%r15
  call   <fscanf@plt>
  mov    0x14(%rsp),%eax
  cmp    %r15d,%eax
  jg     L58
  mov    0x10(%rsp),%edx
  add    $0x1,%r12d
  cmp    %r12d,%edx
  jle    L52
  add    $0x8,%r14
  test   %eax,%eax
  jg     L43
L52:
  mov    (%rsp),%rcx
  mov    %edx,(%rcx)
  mov    0x8(%rsp),%rcx
  mov    %eax,(%rcx)
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L41
  add    $0x28,%rsp
  mov    %r13,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L41:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: tag: D12
type: string
name: read_data
arguments: tag: D14
type: string
name: read_data
arguments: tag: D1
type: string

tool: D12: r

tool: D14: %d %d


tool: D1: %lf

assistant: ```c
double **load_data(char *filename, int *n_ptr, int *d_ptr) {
  FILE *f = fopen(filename, "r");
  int n, d, i, j;
  fscanf(f, "%d %d\n", &n, &d);
  double **X = new_matrix2(n, d);
  for (i = 0; i < n; i++)
    for (j = 0; j < d; j++)
      fscanf(f, "%lf", &X[i][j]);
  *n_ptr = n;
  *d_ptr = d;
  return X;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<lockfile>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %edi,-0x34(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    D15(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,-0x18(%rbp)
  movq   $0x0,-0x20(%rbp)
  mov    D14(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,-0x28(%rbp)
  movq   $0x0,-0x30(%rbp)
  mov    D7(%rip),%rax
  mov    (%rax),%ecx
  lea    -0x30(%rbp),%rdx
  mov    -0x34(%rbp),%eax
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <fcntl@plt>
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L7
  call   <__stack_chk_fail@plt>
L7:
  leave
  ret
```

assistant: ```c
int lockfile(int fd) {
  struct flock fl;
  fl.l_type = F_WRLCK;
  fl.l_start = 0;
  fl.l_whence = SEEK_SET;
  fl.l_len = 0;
  return (fcntl(fd, F_SETLK, &fl));
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<lockfile>:
  endbr64
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  mov    D2(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,0x18(%rsp)
  movq   $0x0,0x10(%rsp)
  mov    D3(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,0x8(%rsp)
  movq   $0x0,(%rsp)
  mov    %rsp,%rdx
  mov    D25(%rip),%rax
  mov    (%rax),%esi
  call   <fcntl@plt>
  mov    0x28(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L4
  add    $0x38,%rsp
  ret
L4:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int lockfile(int fd) {
  struct flock fl;
  fl.l_type = F_WRLCK;
  fl.l_start = 0;
  fl.l_whence = SEEK_SET;
  fl.l_len = 0;
  return (fcntl(fd, F_SETLK, &fl));
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<lockfile>:
  endbr64
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  mov    D15(%rip),%rax
  mov    %rsp,%rdx
  movq   $0x0,(%rsp)
  movq   $0x0,0x10(%rsp)
  mov    (%rax),%eax
  mov    %eax,0x18(%rsp)
  mov    D21(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,0x8(%rsp)
  mov    D2(%rip),%rax
  mov    (%rax),%esi
  call   <fcntl@plt>
  mov    0x28(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L8
  add    $0x38,%rsp
  ret
L8:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int lockfile(int fd) {
  struct flock fl;
  fl.l_type = F_WRLCK;
  fl.l_start = 0;
  fl.l_whence = SEEK_SET;
  fl.l_len = 0;
  return (fcntl(fd, F_SETLK, &fl));
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<lockfile>:
  endbr64
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  mov    D18(%rip),%rax
  mov    %rsp,%rdx
  movq   $0x0,(%rsp)
  movq   $0x0,0x10(%rsp)
  mov    (%rax),%eax
  mov    %eax,0x18(%rsp)
  mov    D10(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,0x8(%rsp)
  mov    D2(%rip),%rax
  mov    (%rax),%esi
  call   <fcntl@plt>
  mov    0x28(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L3
  add    $0x38,%rsp
  ret
L3:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int lockfile(int fd) {
  struct flock fl;
  fl.l_type = F_WRLCK;
  fl.l_start = 0;
  fl.l_whence = SEEK_SET;
  fl.l_len = 0;
  return (fcntl(fd, F_SETLK, &fl));
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<upper>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L11
L16:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <islower@plt>
  test   %rax,%rax
  je     L10
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <toupper@plt>
  mov    %rax,%rdx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rcx
  mov    -0x18(%rbp),%rax
  add    %rcx,%rax
  mov    %dl,(%rax)
L10:
  addl   $0x1,-0x4(%rbp)
L11:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L16
  nop
  nop
  leave
  ret
```

assistant: ```c
void upper(char *str) {
  int theIndex;
  for (theIndex = 0; str[theIndex] != '\0'; theIndex++)
    if (islower(str[theIndex]))
      str[theIndex] = (char)toupper(str[theIndex]);
}
```
user: Translate the below assembly code into C programming language:

```asm
<upper>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  movzbl (%rdi),%edi
  test   %dil,%dil
  jne    L22
L27:
  pop    %rbx
  ret
L25:
  add    $0x1,%rbx
  movzbl (%rbx),%edi
  test   %dil,%dil
  je     L27
L22:
  movsbl %dil,%edi
  call   <islower@plt>
  test   %rax,%rax
  je     L25
  movsbl (%rbx),%edi
  call   <toupper@plt>
  mov    %al,(%rbx)
  jmp    L25
```

assistant: ```c
void upper(char *str) {
  int theIndex;
  for (theIndex = 0; str[theIndex] != '\0'; theIndex++)
    if (islower(str[theIndex]))
      str[theIndex] = (char)toupper(str[theIndex]);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<upper>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  movsbl (%rdi),%edi
  test   %dil,%dil
  jne    L18
  jmp    L3
  nopw   0x0(%rax,%rax,1)
L15:
  movsbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  test   %dil,%dil
  je     L3
L18:
  call   <islower@plt>
  test   %rax,%rax
  je     L15
  movsbl (%rbx),%edi
  add    $0x1,%rbx
  call   <toupper@plt>
  mov    %al,-0x1(%rbx)
  movsbl (%rbx),%edi
  test   %dil,%dil
  jne    L18
L3:
  pop    %rbx
  ret
```

assistant: ```c
void upper(char *str) {
  int theIndex;
  for (theIndex = 0; str[theIndex] != '\0'; theIndex++)
    if (islower(str[theIndex]))
      str[theIndex] = (char)toupper(str[theIndex]);
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<upper>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  movsbl (%rdi),%edi
  test   %dil,%dil
  je     L13
L17:
  call   <islower@plt>
  test   %rax,%rax
  jne    L30
  movsbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  test   %dil,%dil
  jne    L17
L13:
  pop    %rbx
  ret
  nopl   0x0(%rax)
L30:
  movsbl (%rbx),%edi
  add    $0x1,%rbx
  call   <toupper@plt>
  mov    %al,-0x1(%rbx)
  movsbl (%rbx),%edi
  test   %dil,%dil
  jne    L17
  pop    %rbx
  ret
```

assistant: ```c
void upper(char *str) {
  int theIndex;
  for (theIndex = 0; str[theIndex] != '\0'; theIndex++)
    if (islower(str[theIndex]))
      str[theIndex] = (char)toupper(str[theIndex]);
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<cJSON_strdup>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <assert@plt>
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    $0x1,%eax
  cltq
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <cJSON_malloc@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L19
  mov    $0x0,%eax
  jmp    L0
L19:
  mov    -0x10(%rbp),%rdx
  mov    -0x18(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  mov    -0x8(%rbp),%rax
L0:
  leave
  ret
```

assistant: ```c
char *cJSON_strdup(const char *str) {
  assert(str);
  size_t len;
  char *copy;
  len = strlen(str) + 1;
  if (!(copy = (char *)cJSON_malloc(len)))
    return 0;
  memcpy(copy, str, len);
  return copy;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<cJSON_strdup>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  call   <assert@plt>
  mov    %rbp,%rdi
  call   <strlen@plt>
  lea    0x1(%rax),%ebx
  movslq %ebx,%rbx
  mov    %rbx,%rdi
  call   <cJSON_malloc@plt>
  mov    $0x0,%r12d
  test   %rax,%rax
  je     L0
  mov    %rax,%rdi
  mov    %rax,%r12
  mov    %rbx,%rdx
  mov    %rbp,%rsi
  call   <memcpy@plt>
L0:
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *cJSON_strdup(const char *str) {
  assert(str);
  size_t len;
  char *copy;
  len = strlen(str) + 1;
  if (!(copy = (char *)cJSON_malloc(len)))
    return 0;
  memcpy(copy, str, len);
  return copy;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<cJSON_strdup>:
  endbr64
  push   %r13
  xor    %r13d,%r13d
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  call   <assert@plt>
  mov    %rbp,%rdi
  call   <strlen@plt>
  lea    0x1(%rax),%r12d
  movslq %r12d,%r12
  mov    %r12,%rdi
  call   <cJSON_malloc@plt>
  test   %rax,%rax
  je     L9
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %rax,%rdi
  mov    %rax,%r13
  call   <memcpy@plt>
L9:
  mov    %r13,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
char *cJSON_strdup(const char *str) {
  assert(str);
  size_t len;
  char *copy;
  len = strlen(str) + 1;
  if (!(copy = (char *)cJSON_malloc(len)))
    return 0;
  memcpy(copy, str, len);
  return copy;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<cJSON_strdup>:
  endbr64
  push   %r13
  xor    %r13d,%r13d
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  call   <assert@plt>
  mov    %rbp,%rdi
  call   <strlen@plt>
  lea    0x1(%rax),%r12d
  movslq %r12d,%r12
  mov    %r12,%rdi
  call   <cJSON_malloc@plt>
  test   %rax,%rax
  je     L9
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %rax,%rdi
  mov    %rax,%r13
  call   <memcpy@plt>
L9:
  mov    %r13,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
char *cJSON_strdup(const char *str) {
  assert(str);
  size_t len;
  char *copy;
  len = strlen(str) + 1;
  if (!(copy = (char *)cJSON_malloc(len)))
    return 0;
  memcpy(copy, str, len);
  return copy;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<onion_random_generate>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  movq   $0x0,-0x20(%rbp)
  jmp    L15
L13:
  mov    -0x18(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  lea    (%rdx,%rax,1),%rbx
  mov    $0x0,%eax
  call   <rand@plt>
  mov    %al,(%rbx)
  addq   $0x1,-0x20(%rbp)
L15:
  mov    -0x20(%rbp),%rax
  cmp    -0x30(%rbp),%rax
  jb     L13
  nop
  nop
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
void onion_random_generate(void *data, size_t size) {
  unsigned char *data_char = data;
  size_t i;
  for (i = 0; i < size; ++i) {
    data_char[i] = rand();
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<onion_random_generate>:
  endbr64
  test   %rsi,%rsi
  je     L7
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  lea    (%rdi,%rsi,1),%rbp
L19:
  mov    $0x0,%eax
  call   <rand@plt>
  mov    %al,(%rbx)
  add    $0x1,%rbx
  cmp    %rbp,%rbx
  jne    L19
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L7:
  ret
```

assistant: ```c
void onion_random_generate(void *data, size_t size) {
  unsigned char *data_char = data;
  size_t i;
  for (i = 0; i < size; ++i) {
    data_char[i] = rand();
  }
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<onion_random_generate>:
  endbr64
  test   %rsi,%rsi
  je     L19
  push   %rbp
  lea    (%rdi,%rsi,1),%rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x8,%rsp
  cs nopw 0x0(%rax,%rax,1)
L12:
  xor    %eax,%eax
  add    $0x1,%rbx
  call   <rand@plt>
  mov    %al,-0x1(%rbx)
  cmp    %rbp,%rbx
  jne    L12
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopw   0x0(%rax,%rax,1)
L19:
  ret
```

assistant: ```c
void onion_random_generate(void *data, size_t size) {
  unsigned char *data_char = data;
  size_t i;
  for (i = 0; i < size; ++i) {
    data_char[i] = rand();
  }
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<onion_random_generate>:
  endbr64
  test   %rsi,%rsi
  je     L13
  push   %rbp
  lea    (%rdi,%rsi,1),%rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x8,%rsp
  cs nopw 0x0(%rax,%rax,1)
L3:
  xor    %eax,%eax
  add    $0x1,%rbx
  call   <rand@plt>
  mov    %al,-0x1(%rbx)
  cmp    %rbp,%rbx
  jne    L3
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopw   0x0(%rax,%rax,1)
L13:
  ret
```

assistant: ```c
void onion_random_generate(void *data, size_t size) {
  unsigned char *data_char = data;
  size_t i;
  for (i = 0; i < size; ++i) {
    data_char[i] = rand();
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<fnmatch>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %edx,-0x14(%rbp)
  mov    -0x14(%rbp),%eax
  and    $0x7,%eax
  test   %eax,%eax
  je     L174
  mov    $0x2,%eax
  jmp    L5
L174:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L97
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  setne  %al
  movzbl %al,%eax
  jmp    L5
L97:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2a,%al
  jne    L34
  jmp    L107
L85:
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    -0x14(%rbp),%edx
  mov    -0x10(%rbp),%rax
  mov    %rax,%rsi
  mov    %rcx,%rdi
  call   <fnmatch>
  test   %eax,%eax
  jne    L104
  mov    $0x0,%eax
  jmp    L5
L104:
  addq   $0x1,-0x10(%rbp)
L107:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L85
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    -0x14(%rbp),%edx
  mov    -0x10(%rbp),%rax
  mov    %rax,%rsi
  mov    %rcx,%rdi
  call   <fnmatch>
  jmp    L5
L34:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L134
  mov    $0x1,%eax
  jmp    L5
L134:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x5b,%al
  jne    L0
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    -0x14(%rbp),%edx
  mov    -0x10(%rbp),%rax
  mov    %rax,%rsi
  mov    %rcx,%rdi
  call   <_fnmatch_class@plt>
  jmp    L5
L0:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x3f,%al
  jne    L108
  mov    -0x10(%rbp),%rax
  lea    0x1(%rax),%rsi
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    -0x14(%rbp),%eax
  mov    %eax,%edx
  mov    %rcx,%rdi
  call   <fnmatch>
  jmp    L5
L108:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  jne    L160
  mov    -0x10(%rbp),%rax
  lea    0x1(%rax),%rsi
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    -0x14(%rbp),%eax
  mov    %eax,%edx
  mov    %rcx,%rdi
  call   <fnmatch>
  jmp    L5
L160:
  mov    $0x1,%eax
L5:
  leave
  ret
```

assistant: ```c
int fnmatch(char const *pattern, char const *string, int flags) {
  if (flags & (0x1 | 0x2 | 0x4))
    return 2;
  if (pattern[0] == '\0')
    return (string[0] == '\0') ? 0 : 1;
  if (pattern[0] == '*') {
    for (; string[0] != '\0'; string++)
      if (fnmatch(&pattern[1], string, flags) == 0)
        return 0;
    return fnmatch(&pattern[1], string, flags);
  }
  if (string[0] == '\0')
    return 1;
  if (pattern[0] == '[')
    return _fnmatch_class(&pattern[1], string, flags);
  if (pattern[0] == '?')
    return fnmatch(&pattern[1], &string[1], flags);
  if (pattern[0] == string[0])
    return fnmatch(&pattern[1], &string[1], flags);
  return 1;
}
```