ylfeng/ReF-Decompile-dataset huggingface dataset:
user: What would the C source look like for the assembly code provided here:

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  lea    D14(%rip),%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%edi
  call   <fac@plt>
  mov    %eax,%esi
  lea    D8(%rip),%rdi
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L5
  mov    $0x0,%eax
  add    $0x18,%rsp
  ret
L5:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_tag: D14
datatype: string
name: retrieve_data
arguments: data_tag: D8
datatype: string

tool: D14: %d

tool: D8: %.Lf


assistant: ```c
int main() {
  int num;
  scanf("%d", &num);
  printf("%.Lf\n", fac(num));
  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
<main>:
  endbr64
  sub    $0x18,%rsp
  lea    D16(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  call   <scanf@plt>
  mov    0x4(%rsp),%edi
  call   <fac@plt>
  lea    D4(%rip),%rdi
  mov    %eax,%esi
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L3
  xor    %eax,%eax
  add    $0x18,%rsp
  ret
L3:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: tag: D16
type_guessed: string
name: extract_symbolic_data
arguments: tag: D4
type_guessed: string

tool: D16: %d

tool: D4: %.Lf


assistant: ```c
int main() {
  int num;
  scanf("%d", &num);
  printf("%.Lf\n", fac(num));
  return 0;
}
```
user: What is the c source code of the assembly code below?

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  lea    D7(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  call   <scanf@plt>
  mov    0x4(%rsp),%edi
  call   <fac@plt>
  lea    D4(%rip),%rdi
  mov    %eax,%esi
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L2
  xor    %eax,%eax
  add    $0x18,%rsp
  ret
L2:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: label: D7
type_guessed: string
name: unpack_data
arguments: label: D4
type_guessed: string

tool: D7: %d

tool: D4: %.Lf


assistant: ```c
int main() {
  int num;
  scanf("%d", &num);
  printf("%.Lf\n", fac(num));
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<crck>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  mov    %rdi,%rcx
  mov    %esi,%eax
  jmp    L8
L17:
  lea    (%rdx,%rdx,1),%ebx
  mov    %ebx,%esi
  mov    %esi,%edi
  mov    $0x0,%dil
  mov    %rcx,%rsi
  lea    0x1(%rsi),%rcx
  movzbl (%rsi),%esi
  movzbl %sil,%esi
  add    %ebx,%esi
  movzbl %sil,%esi
  or     %edi,%esi
  mov    %esi,%ebx
  test   %dx,%dx
  jns    L6
  xor    $0xa097,%bx
L6:
  mov    %ebx,%edx
L8:
  sub    $0x1,%eax
  test   %eax,%eax
  jns    L17
  mov    %edx,%eax
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
unsigned short crck(crbuf, count, ldcrc)
register unsigned char *crbuf;
register count;
register unsigned short ldcrc;
{
  register unsigned short n;
  while (--count >= 0) {
    n = (ldcrc << 1);
    n = (n & 0xff00) | ((n + *crbuf++) & 0x00ff);
    if (ldcrc & 0x8000)
      n ^= 0xa097;
    ldcrc = n;
  }
  return (ldcrc);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<crck>:
  endbr64
  mov    %edx,%eax
  test   %esi,%esi
  jle    L8
  lea    -0x1(%rsi),%edx
  lea    0x1(%rdi,%rdx,1),%r8
L18:
  lea    (%rax,%rax,1),%esi
  add    $0x1,%rdi
  mov    %esi,%ecx
  add    -0x1(%rdi),%cl
  movzbl %cl,%ecx
  mov    $0x0,%sil
  or     %esi,%ecx
  mov    %ecx,%edx
  xor    $0xa097,%dx
  test   %ax,%ax
  mov    %ecx,%eax
  cmovs  %edx,%eax
  cmp    %r8,%rdi
  jne    L18
L8:
  ret
```

assistant: ```c
unsigned short crck(crbuf, count, ldcrc)
register unsigned char *crbuf;
register count;
register unsigned short ldcrc;
{
  register unsigned short n;
  while (--count >= 0) {
    n = (ldcrc << 1);
    n = (n & 0xff00) | ((n + *crbuf++) & 0x00ff);
    if (ldcrc & 0x8000)
      n ^= 0xa097;
    ldcrc = n;
  }
  return (ldcrc);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<crck>:
  endbr64
  mov    %edx,%eax
  test   %esi,%esi
  jle    L1
  lea    -0x1(%rsi),%edx
  lea    0x1(%rdi,%rdx,1),%r8
  nopw   0x0(%rax,%rax,1)
L6:
  movzbl (%rdi),%ecx
  lea    (%rax,%rax,1),%esi
  add    $0x1,%rdi
  add    %esi,%ecx
  xor    %sil,%sil
  movzbl %cl,%ecx
  or     %esi,%ecx
  mov    %ecx,%edx
  xor    $0xa097,%dx
  test   %ax,%ax
  mov    %ecx,%eax
  cmovs  %edx,%eax
  cmp    %r8,%rdi
  jne    L6
L1:
  ret
```

assistant: ```c
unsigned short crck(crbuf, count, ldcrc)
register unsigned char *crbuf;
register count;
register unsigned short ldcrc;
{
  register unsigned short n;
  while (--count >= 0) {
    n = (ldcrc << 1);
    n = (n & 0xff00) | ((n + *crbuf++) & 0x00ff);
    if (ldcrc & 0x8000)
      n ^= 0xa097;
    ldcrc = n;
  }
  return (ldcrc);
}
```
user: Translate the below assembly code into C programming language:

```asm
<crck>:
  endbr64
  mov    %edx,%eax
  test   %esi,%esi
  jle    L9
  lea    -0x1(%rsi),%edx
  lea    0x1(%rdi,%rdx,1),%r8
  nopw   0x0(%rax,%rax,1)
L19:
  movzbl (%rdi),%ecx
  lea    (%rax,%rax,1),%esi
  add    $0x1,%rdi
  add    %esi,%ecx
  xor    %sil,%sil
  movzbl %cl,%ecx
  or     %esi,%ecx
  mov    %ecx,%edx
  xor    $0xa097,%dx
  test   %ax,%ax
  mov    %ecx,%eax
  cmovs  %edx,%eax
  cmp    %rdi,%r8
  jne    L19
L9:
  ret
```

assistant: ```c
unsigned short crck(crbuf, count, ldcrc)
register unsigned char *crbuf;
register count;
register unsigned short ldcrc;
{
  register unsigned short n;
  while (--count >= 0) {
    n = (ldcrc << 1);
    n = (n & 0xff00) | ((n + *crbuf++) & 0x00ff);
    if (ldcrc & 0x8000)
      n ^= 0xa097;
    ldcrc = n;
  }
  return (ldcrc);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<partition_rand>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %edx,-0x20(%rbp)
  mov    -0x20(%rbp),%edx
  mov    -0x1c(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <random_between@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%edx
  mov    -0x20(%rbp),%ecx
  mov    -0x18(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <exchange@plt>
  mov    -0x20(%rbp),%edx
  mov    -0x1c(%rbp),%ecx
  mov    -0x18(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <partition@plt>
  leave
  ret
```

assistant: ```c
int partition_rand(int A[], int p, int r) {
  int i = random_between(p, r);
  exchange(A, r, i);
  return partition(A, p, r);
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<partition_rand>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  mov    %esi,%r12d
  mov    %edx,%ebx
  mov    %edx,%esi
  mov    %r12d,%edi
  call   <random_between@plt>
  mov    %eax,%edx
  mov    %ebx,%esi
  mov    %rbp,%rdi
  call   <exchange@plt>
  mov    %ebx,%edx
  mov    %r12d,%esi
  mov    %rbp,%rdi
  call   <partition@plt>
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
int partition_rand(int A[], int p, int r) {
  int i = random_between(p, r);
  exchange(A, r, i);
  return partition(A, p, r);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<partition_rand>:
  endbr64
  push   %r13
  mov    %esi,%r13d
  mov    %edx,%esi
  push   %r12
  mov    %edx,%r12d
  push   %rbp
  mov    %rdi,%rbp
  mov    %r13d,%edi
  call   <random_between@plt>
  mov    %r12d,%esi
  mov    %rbp,%rdi
  mov    %eax,%edx
  call   <exchange@plt>
  mov    %r12d,%edx
  mov    %r13d,%esi
  mov    %rbp,%rdi
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    1070 <partition@plt>
```

assistant: ```c
int partition_rand(int A[], int p, int r) {
  int i = random_between(p, r);
  exchange(A, r, i);
  return partition(A, p, r);
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<partition_rand>:
  endbr64
  push   %r13
  mov    %esi,%r13d
  mov    %edx,%esi
  push   %r12
  mov    %edx,%r12d
  push   %rbp
  mov    %rdi,%rbp
  mov    %r13d,%edi
  call   <random_between@plt>
  mov    %r12d,%esi
  mov    %rbp,%rdi
  mov    %eax,%edx
  call   <exchange@plt>
  mov    %r12d,%edx
  mov    %r13d,%esi
  mov    %rbp,%rdi
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    1070 <partition@plt>
```

assistant: ```c
int partition_rand(int A[], int p, int r) {
  int i = random_between(p, r);
  exchange(A, r, i);
  return partition(A, p, r);
}
```
user: Translate the below assembly code into C programming language:

```asm
<tree_zrealloc>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x20(%rbp),%rax
  lea    0x18(%rax),%rdx
  cmpq   $0x0,-0x18(%rbp)
  je     L33
  mov    -0x18(%rbp),%rax
  sub    $0x18,%rax
  jmp    L3
L33:
  mov    $0x0,%eax
L3:
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <zrealloc@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  je     L30
  cmpq   $0x0,-0x8(%rbp)
  jne    L53
L30:
  mov    -0x8(%rbp),%rax
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <tree_zmalloc_init@plt>
  jmp    L56
L53:
  addq   $0x18,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  cmp    -0x18(%rbp),%rax
  je     L92
  mov    -0x8(%rbp),%rax
  sub    $0x18,%rax
  mov    (%rax),%rax
  test   %rax,%rax
  je     L97
  mov    -0x8(%rbp),%rax
  sub    $0x18,%rax
  mov    (%rax),%rax
  lea    -0x8(%rax),%rdx
  mov    -0x8(%rbp),%rax
  mov    %rax,(%rdx)
L97:
  mov    -0x8(%rbp),%rax
  sub    $0x8,%rax
  mov    (%rax),%rax
  test   %rax,%rax
  je     L92
  mov    -0x8(%rbp),%rax
  sub    $0x10,%rax
  mov    (%rax),%rax
  test   %rax,%rax
  je     L32
  mov    -0x8(%rbp),%rax
  sub    $0x10,%rax
  mov    (%rax),%rax
  lea    -0x8(%rax),%rdx
  mov    -0x8(%rbp),%rax
  mov    %rax,(%rdx)
L32:
  mov    -0x8(%rbp),%rax
  sub    $0x8,%rax
  mov    (%rax),%rax
  sub    $0x10,%rax
  mov    (%rax),%rax
  cmp    %rax,-0x18(%rbp)
  jne    L102
  mov    -0x8(%rbp),%rax
  sub    $0x8,%rax
  mov    (%rax),%rax
  lea    -0x10(%rax),%rdx
  mov    -0x8(%rbp),%rax
  mov    %rax,(%rdx)
L102:
  mov    -0x8(%rbp),%rax
  sub    $0x8,%rax
  mov    (%rax),%rax
  sub    $0x18,%rax
  mov    (%rax),%rax
  cmp    %rax,-0x18(%rbp)
  jne    L92
  mov    -0x8(%rbp),%rax
  sub    $0x8,%rax
  mov    (%rax),%rax
  lea    -0x18(%rax),%rdx
  mov    -0x8(%rbp),%rax
  mov    %rax,(%rdx)
L92:
  mov    -0x8(%rbp),%rax
L56:
  leave
  ret
```

assistant: ```c
void *tree_zrealloc(void *usr, size_t size) {
  void *mem = zrealloc(usr ? (void *)((void **)(usr)-3) : NULL, size + (sizeof(void *) * 3));
  if (!usr || !mem)
    return tree_zmalloc_init(mem, NULL);
  mem = (void *)((void **)(mem) + 3);
  if (mem != usr) {
    if ((((void **)(mem))[-3]))
      (((void **)((((void **)(mem))[-3])))[-1]) = mem;
    if (!(!(((void **)(mem))[-1]))) {
      if ((((void **)(mem))[-2]))
        (((void **)((((void **)(mem))[-2])))[-1]) = mem;
      if ((((void **)((((void **)(mem))[-1])))[-2]) == usr)
        (((void **)((((void **)(mem))[-1])))[-2]) = mem;
      if ((((void **)((((void **)(mem))[-1])))[-3]) == usr)
        (((void **)((((void **)(mem))[-1])))[-3]) = mem;
    }
  }
  return mem;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<tree_zrealloc>:
  endbr64
  push   %rbx
  add    $0x18,%rsi
  test   %rdi,%rdi
  je     L91
  mov    %rdi,%rbx
  lea    -0x18(%rdi),%rdi
  call   <zrealloc@plt>
  mov    %rax,%rdi
  test   %rax,%rax
  je     L63
  lea    0x18(%rax),%rax
  cmp    %rax,%rbx
  je     L84
  mov    (%rdi),%rdx
  test   %rdx,%rdx
  je     L73
  mov    %rax,-0x8(%rdx)
L73:
  cmpq   $0x0,0x10(%rdi)
  je     L84
  mov    0x8(%rdi),%rdx
  test   %rdx,%rdx
  je     L30
  mov    %rax,-0x8(%rdx)
L30:
  mov    0x10(%rdi),%rdx
  cmp    %rbx,-0x10(%rdx)
  je     L98
L100:
  mov    0x10(%rdi),%rdx
  cmp    %rbx,-0x18(%rdx)
  je     L3
L84:
  pop    %rbx
  ret
L98:
  mov    %rax,-0x10(%rdx)
  jmp    L100
L3:
  mov    %rax,-0x18(%rdx)
  jmp    L84
L91:
  mov    $0x0,%edi
  call   <zrealloc@plt>
  mov    %rax,%rdi
L63:
  mov    $0x0,%esi
  call   <tree_zmalloc_init@plt>
  jmp    L84
```

assistant: ```c
void *tree_zrealloc(void *usr, size_t size) {
  void *mem = zrealloc(usr ? (void *)((void **)(usr)-3) : NULL, size + (sizeof(void *) * 3));
  if (!usr || !mem)
    return tree_zmalloc_init(mem, NULL);
  mem = (void *)((void **)(mem) + 3);
  if (mem != usr) {
    if ((((void **)(mem))[-3]))
      (((void **)((((void **)(mem))[-3])))[-1]) = mem;
    if (!(!(((void **)(mem))[-1]))) {
      if ((((void **)(mem))[-2]))
        (((void **)((((void **)(mem))[-2])))[-1]) = mem;
      if ((((void **)((((void **)(mem))[-1])))[-2]) == usr)
        (((void **)((((void **)(mem))[-1])))[-2]) = mem;
      if ((((void **)((((void **)(mem))[-1])))[-3]) == usr)
        (((void **)((((void **)(mem))[-1])))[-3]) = mem;
    }
  }
  return mem;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<tree_zrealloc>:
  endbr64
  push   %rbx
  add    $0x18,%rsi
  test   %rdi,%rdi
  je     L49
  mov    %rdi,%rbx
  lea    -0x18(%rdi),%rdi
  call   <zrealloc@plt>
  mov    %rax,%rdi
  test   %rax,%rax
  je     L23
  lea    0x18(%rax),%rax
  cmp    %rax,%rbx
  je     L46
  mov    (%rdi),%rdx
  test   %rdx,%rdx
  je     L14
  mov    %rax,-0x8(%rdx)
L14:
  mov    0x10(%rdi),%rdx
  test   %rdx,%rdx
  je     L46
  mov    0x8(%rdi),%rcx
  test   %rcx,%rcx
  je     L42
  mov    %rax,-0x8(%rcx)
  mov    0x10(%rdi),%rdx
L42:
  cmp    %rbx,-0x10(%rdx)
  je     L29
L71:
  cmp    %rbx,-0x18(%rdx)
  je     L81
L46:
  pop    %rbx
  ret
  nop
L49:
  xor    %edi,%edi
  call   <zrealloc@plt>
  mov    %rax,%rdi
L23:
  xor    %esi,%esi
  pop    %rbx
  jmp    1060 <tree_zmalloc_init@plt>
  nopw   0x0(%rax,%rax,1)
L81:
  mov    %rax,-0x18(%rdx)
  pop    %rbx
  ret
  xchg   %ax,%ax
L29:
  mov    %rax,-0x10(%rdx)
  mov    0x10(%rdi),%rdx
  jmp    L71
```

assistant: ```c
void *tree_zrealloc(void *usr, size_t size) {
  void *mem = zrealloc(usr ? (void *)((void **)(usr)-3) : NULL, size + (sizeof(void *) * 3));
  if (!usr || !mem)
    return tree_zmalloc_init(mem, NULL);
  mem = (void *)((void **)(mem) + 3);
  if (mem != usr) {
    if ((((void **)(mem))[-3]))
      (((void **)((((void **)(mem))[-3])))[-1]) = mem;
    if (!(!(((void **)(mem))[-1]))) {
      if ((((void **)(mem))[-2]))
        (((void **)((((void **)(mem))[-2])))[-1]) = mem;
      if ((((void **)((((void **)(mem))[-1])))[-2]) == usr)
        (((void **)((((void **)(mem))[-1])))[-2]) = mem;
      if ((((void **)((((void **)(mem))[-1])))[-3]) == usr)
        (((void **)((((void **)(mem))[-1])))[-3]) = mem;
    }
  }
  return mem;
}
```
user: Translate the below assembly code into C programming language:

```asm
<tree_zrealloc>:
  endbr64
  push   %rbx
  add    $0x18,%rsi
  test   %rdi,%rdi
  je     L71
  mov    %rdi,%rbx
  lea    -0x18(%rdi),%rdi
  call   <zrealloc@plt>
  mov    %rax,%rdi
  test   %rax,%rax
  je     L26
  lea    0x18(%rax),%rax
  cmp    %rax,%rbx
  je     L88
  mov    (%rdi),%rdx
  test   %rdx,%rdx
  je     L35
  mov    %rax,-0x8(%rdx)
L35:
  mov    0x10(%rdi),%rdx
  test   %rdx,%rdx
  je     L88
  mov    0x8(%rdi),%rcx
  test   %rcx,%rcx
  je     L22
  mov    %rax,-0x8(%rcx)
  mov    0x10(%rdi),%rdx
L22:
  cmp    %rbx,-0x10(%rdx)
  je     L9
L62:
  cmp    %rbx,-0x18(%rdx)
  je     L69
L88:
  pop    %rbx
  ret
  nop
L71:
  xor    %edi,%edi
  call   <zrealloc@plt>
  mov    %rax,%rdi
L26:
  xor    %esi,%esi
  pop    %rbx
  jmp    1060 <tree_zmalloc_init@plt>
  nopw   0x0(%rax,%rax,1)
L69:
  mov    %rax,-0x18(%rdx)
  pop    %rbx
  ret
  xchg   %ax,%ax
L9:
  mov    %rax,-0x10(%rdx)
  mov    0x10(%rdi),%rdx
  jmp    L62
```

assistant: ```c
void *tree_zrealloc(void *usr, size_t size) {
  void *mem = zrealloc(usr ? (void *)((void **)(usr)-3) : NULL, size + (sizeof(void *) * 3));
  if (!usr || !mem)
    return tree_zmalloc_init(mem, NULL);
  mem = (void *)((void **)(mem) + 3);
  if (mem != usr) {
    if ((((void **)(mem))[-3]))
      (((void **)((((void **)(mem))[-3])))[-1]) = mem;
    if (!(!(((void **)(mem))[-1]))) {
      if ((((void **)(mem))[-2]))
        (((void **)((((void **)(mem))[-2])))[-1]) = mem;
      if ((((void **)((((void **)(mem))[-1])))[-2]) == usr)
        (((void **)((((void **)(mem))[-1])))[-2]) = mem;
      if ((((void **)((((void **)(mem))[-1])))[-3]) == usr)
        (((void **)((((void **)(mem))[-1])))[-3]) = mem;
    }
  }
  return mem;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<crypt_gensalt_ra>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x60,%rsp
  mov    %rdi,-0x48(%rbp)
  mov    %rsi,-0x50(%rbp)
  mov    %rdx,-0x58(%rbp)
  mov    %ecx,-0x5c(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x30(%rbp),%rdi
  mov    -0x5c(%rbp),%ecx
  mov    -0x58(%rbp),%rdx
  mov    -0x50(%rbp),%rsi
  mov    -0x48(%rbp),%rax
  mov    $0x1e,%r9d
  mov    %rdi,%r8
  mov    %rax,%rdi
  call   <crypt_gensalt_rn@plt>
  mov    %rax,-0x38(%rbp)
  cmpq   $0x0,-0x38(%rbp)
  je     L21
  mov    -0x38(%rbp),%rax
  mov    %rax,%rdi
  call   <strdup@plt>
  mov    %rax,-0x38(%rbp)
  cmpq   $0x0,-0x38(%rbp)
  jne    L21
  mov    D3(%rip),%rax
  mov    (%rax),%edx
  mov    D14(%rip),%rax
  mov    %edx,(%rax)
L21:
  mov    -0x38(%rbp),%rax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L27
  call   <__stack_chk_fail@plt>
L27:
  leave
  ret
```

assistant: ```c
char *crypt_gensalt_ra(const char *prefix, unsigned long count, const char *input, int size) {
  char output[(7 + 22 + 1)];
  char *retval;
  retval = crypt_gensalt_rn(prefix, count, input, size, output, sizeof(output));
  if (retval) {
    retval = strdup(retval);
    if (!retval)
      errno = (ENOMEM);
  }
  return retval;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<crypt_gensalt_ra>:
  endbr64
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  mov    $0x1e,%r9d
  mov    %rsp,%r8
  call   <crypt_gensalt_rn@plt>
  test   %rax,%rax
  je     L35
  mov    %rax,%rdi
  call   <strdup@plt>
  test   %rax,%rax
  je     L21
L35:
  mov    0x28(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L2
  add    $0x38,%rsp
  ret
L21:
  mov    D16(%rip),%rdx
  mov    (%rdx),%ecx
  mov    D12(%rip),%rdx
  mov    %ecx,(%rdx)
  jmp    L35
L2:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
char *crypt_gensalt_ra(const char *prefix, unsigned long count, const char *input, int size) {
  char output[(7 + 22 + 1)];
  char *retval;
  retval = crypt_gensalt_rn(prefix, count, input, size, output, sizeof(output));
  if (retval) {
    retval = strdup(retval);
    if (!retval)
      errno = (ENOMEM);
  }
  return retval;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<crypt_gensalt_ra>:
  endbr64
  sub    $0x38,%rsp
  mov    $0x1e,%r9d
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r8
  call   <crypt_gensalt_rn@plt>
  test   %rax,%rax
  je     L20
  mov    %rax,%rdi
  call   <strdup@plt>
  test   %rax,%rax
  je     L7
L20:
  mov    0x28(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L5
  add    $0x38,%rsp
  ret
L5:
  call   <__stack_chk_fail@plt>
L7:
  mov    D8(%rip),%rdx
  mov    (%rdx),%ecx
  mov    D15(%rip),%rdx
  mov    %ecx,(%rdx)
  jmp    L20
```

assistant: ```c
char *crypt_gensalt_ra(const char *prefix, unsigned long count, const char *input, int size) {
  char output[(7 + 22 + 1)];
  char *retval;
  retval = crypt_gensalt_rn(prefix, count, input, size, output, sizeof(output));
  if (retval) {
    retval = strdup(retval);
    if (!retval)
      errno = (ENOMEM);
  }
  return retval;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<crypt_gensalt_ra>:
  endbr64
  sub    $0x38,%rsp
  mov    $0x1e,%r9d
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r8
  call   <crypt_gensalt_rn@plt>
  test   %rax,%rax
  je     L32
  mov    %rax,%rdi
  call   <strdup@plt>
  test   %rax,%rax
  je     L38
L32:
  mov    0x28(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L31
  add    $0x38,%rsp
  ret
L31:
  call   <__stack_chk_fail@plt>
L38:
  mov    D0(%rip),%rdx
  mov    (%rdx),%ecx
  mov    D1(%rip),%rdx
  mov    %ecx,(%rdx)
  jmp    L32
```

assistant: ```c
char *crypt_gensalt_ra(const char *prefix, unsigned long count, const char *input, int size) {
  char output[(7 + 22 + 1)];
  char *retval;
  retval = crypt_gensalt_rn(prefix, count, input, size, output, sizeof(output));
  if (retval) {
    retval = strdup(retval);
    if (!retval)
      errno = (ENOMEM);
  }
  return retval;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    $0x5,%edi
  call   <addToZero@plt>
  mov    %eax,-0x4(%rbp)
  nop
  leave
  ret
```

assistant: ```c
void main(void) {
  volatile int result = addToZero(5);
  ;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  mov    $0x5,%edi
  call   <addToZero@plt>
  mov    %eax,0xc(%rsp)
  add    $0x18,%rsp
  ret
```

assistant: ```c
void main(void) {
  volatile int result = addToZero(5);
  ;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  mov    $0x5,%edi
  call   <addToZero@plt>
  mov    %eax,0xc(%rsp)
  add    $0x18,%rsp
  ret
```

assistant: ```c
void main(void) {
  volatile int result = addToZero(5);
  ;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<strncpy>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    -0x28(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strnlen@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rdx
  mov    -0x20(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  mov    -0x28(%rbp),%rax
  sub    -0x8(%rbp),%rax
  mov    -0x18(%rbp),%rcx
  mov    -0x8(%rbp),%rdx
  add    %rdx,%rcx
  mov    %rax,%rdx
  mov    $0x0,%esi
  mov    %rcx,%rdi
  call   <memset@plt>
  mov    -0x18(%rbp),%rax
  leave
  ret
```

assistant: ```c
char *strncpy(char *restrict whither, const char *restrict whence, size_t maxlen) {
  size_t n = strnlen(whence, maxlen);
  memcpy(whither, whence, n);
  memset(whither + n, 0, maxlen - n);
  return whither;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<strncpy>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r12
  mov    %rsi,%r13
  mov    %rdx,%rbp
  mov    %rdx,%rsi
  mov    %r13,%rdi
  call   <strnlen@plt>
  mov    %rax,%rbx
  mov    %rax,%rdx
  mov    %r13,%rsi
  mov    %r12,%rdi
  call   <memcpy@plt>
  mov    %rbp,%rdx
  sub    %rbx,%rdx
  lea    (%r12,%rbx,1),%rdi
  mov    $0x0,%esi
  call   <memset@plt>
  mov    %r12,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
char *strncpy(char *restrict whither, const char *restrict whence, size_t maxlen) {
  size_t n = strnlen(whence, maxlen);
  memcpy(whither, whence, n);
  memset(whither + n, 0, maxlen - n);
  return whither;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<strncpy>:
  endbr64
  push   %r13
  mov    %rsi,%r13
  mov    %rdx,%rsi
  push   %r12
  mov    %rdi,%r12
  mov    %r13,%rdi
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <strnlen@plt>
  mov    %r13,%rsi
  mov    %r12,%rdi
  mov    %rax,%rdx
  mov    %rax,%rbx
  call   <memcpy@plt>
  mov    %rbp,%rdx
  lea    (%r12,%rbx,1),%rdi
  xor    %esi,%esi
  sub    %rbx,%rdx
  call   <memset@plt>
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
char *strncpy(char *restrict whither, const char *restrict whence, size_t maxlen) {
  size_t n = strnlen(whence, maxlen);
  memcpy(whither, whence, n);
  memset(whither + n, 0, maxlen - n);
  return whither;
}
```