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
<_ast_padding>:
  endbr64
  mov    $0x63,%eax
  movslq D13(%rip),%rdx
  cmp    %eax,%edi
  cmovg  %eax,%edi
  lea    D21(%rip),%rax
  movb   $0x20,(%rax,%rdx,1)
  mov    %edi,D24(%rip)
  movslq %edi,%rdi
  movb   $0x0,(%rax,%rdi,1)
  ret
```

assistant: ```c
const char *_ast_padding(int in_amount) {
  if (in_amount > 99)
    in_amount = 99;
  static char whitespace[1000] = "                                                                                                    "
                                 "                                                                                                    "
                                 "                                                                                                    "
                                 "                                                                                                    "
                                 "                                                                                                    "
                                 "                                                                                                    "
                                 "                                                                                                    "
                                 "                                                                                                    "
                                 "                                                                                                    "
                                 "                                                                                                    ";
  static int last_amount = 0;
  whitespace[last_amount] = ' ';
  last_amount = in_amount;
  whitespace[last_amount] = 0;
  return whitespace;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<_ast_padding>:
  endbr64
  mov    $0x63,%eax
  movslq D21(%rip),%rdx
  cmp    %eax,%edi
  cmovg  %eax,%edi
  lea    D7(%rip),%rax
  movb   $0x20,(%rax,%rdx,1)
  mov    %edi,D25(%rip)
  movslq %edi,%rdi
  movb   $0x0,(%rax,%rdi,1)
  ret
```

assistant: ```c
const char *_ast_padding(int in_amount) {
  if (in_amount > 99)
    in_amount = 99;
  static char whitespace[1000] = "                                                                                                    "
                                 "                                                                                                    "
                                 "                                                                                                    "
                                 "                                                                                                    "
                                 "                                                                                                    "
                                 "                                                                                                    "
                                 "                                                                                                    "
                                 "                                                                                                    "
                                 "                                                                                                    "
                                 "                                                                                                    ";
  static int last_amount = 0;
  whitespace[last_amount] = ' ';
  last_amount = in_amount;
  whitespace[last_amount] = 0;
  return whitespace;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<ensureFilesExist>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x20(%rbp)
  cmpq   $0x0,-0x30(%rbp)
  jne    L44
  mov    $0x0,%eax
  jmp    L9
L44:
  mov    -0x30(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,-0x10(%rbp)
  cmpq   $0x0,-0x10(%rbp)
  jne    L47
  mov    $0x0,%eax
  jmp    L9
L47:
  mov    -0x30(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  jmp    L11
L31:
  mov    -0x8(%rbp),%rax
  sub    -0x18(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rdx
  mov    -0x18(%rbp),%rcx
  mov    -0x20(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memmove@plt>
  mov    -0x20(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <fileExists@plt>
  test   %rax,%rax
  je     L34
  mov    -0x10(%rbp),%rax
  add    %rax,-0x20(%rbp)
  mov    -0x20(%rbp),%rax
  movb   $0x7c,(%rax)
  addq   $0x1,-0x20(%rbp)
L34:
  mov    -0x8(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x18(%rbp)
L11:
  mov    -0x18(%rbp),%rax
  mov    $0x7c,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L31
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <fileExists@plt>
  test   %rax,%rax
  je     L79
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rdx
  mov    -0x18(%rbp),%rcx
  mov    -0x20(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memmove@plt>
  mov    -0x20(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  jmp    L20
L79:
  mov    -0x20(%rbp),%rax
  sub    $0x1,%rax
  movb   $0x0,(%rax)
L20:
  mov    -0x28(%rbp),%rax
L9:
  leave
  ret
```

assistant: ```c
char const *ensureFilesExist(char *const aDestination, char const *const aSourcePathsAndNames) {
  char *lDestination = aDestination;
  char const *p;
  char const *p2;
  size_t lLen;
  if (!aSourcePathsAndNames) {
    return NULL;
  }
  lLen = strlen(aSourcePathsAndNames);
  if (!lLen) {
    return NULL;
  }
  p = aSourcePathsAndNames;
  while ((p2 = strchr(p, '|')) != NULL) {
    lLen = p2 - p;
    memmove(lDestination, p, lLen);
    lDestination[lLen] = '\0';
    if (fileExists(lDestination)) {
      lDestination += lLen;
      *lDestination = '|';
      lDestination++;
    }
    p = p2 + 1;
  }
  if (fileExists(p)) {
    lLen = strlen(p);
    memmove(lDestination, p, lLen);
    lDestination[lLen] = '\0';
  } else {
    *(lDestination - 1) = '\0';
  }
  return aDestination;
}
```
user: What is the c source code of the assembly code below:

```asm
<ensureFilesExist>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rsi,%r12
  test   %rsi,%rsi
  je     L13
  mov    %rdi,%r14
  mov    %rsi,%rdi
  call   <strlen@plt>
  test   %rax,%rax
  je     L83
  mov    %r14,%r13
  jmp    L62
L29:
  lea    0x1(%rbx),%r12
L62:
  mov    $0x7c,%esi
  mov    %r12,%rdi
  call   <strchr@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L8
  mov    %rbx,%rbp
  sub    %r12,%rbp
  mov    %rbp,%rdx
  mov    %r12,%rsi
  mov    %r13,%rdi
  call   <memmove@plt>
  add    %r13,%rbp
  movb   $0x0,0x0(%rbp)
  mov    %r13,%rdi
  call   <fileExists@plt>
  test   %rax,%rax
  je     L29
  movb   $0x7c,0x0(%rbp)
  lea    0x1(%rbp),%r13
  jmp    L29
L8:
  mov    %r12,%rdi
  call   <fileExists@plt>
  test   %rax,%rax
  jne    L74
  movb   $0x0,-0x1(%r13)
  mov    %r14,%rax
L55:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L74:
  mov    %r12,%rdi
  call   <strlen@plt>
  mov    %rax,%rbx
  mov    %rax,%rdx
  mov    %r12,%rsi
  mov    %r13,%rdi
  call   <memmove@plt>
  movb   $0x0,0x0(%r13,%rbx,1)
  mov    %r14,%rax
  jmp    L55
L13:
  mov    %rsi,%rax
  jmp    L55
L83:
  mov    $0x0,%eax
  jmp    L55
```

assistant: ```c
char const *ensureFilesExist(char *const aDestination, char const *const aSourcePathsAndNames) {
  char *lDestination = aDestination;
  char const *p;
  char const *p2;
  size_t lLen;
  if (!aSourcePathsAndNames) {
    return NULL;
  }
  lLen = strlen(aSourcePathsAndNames);
  if (!lLen) {
    return NULL;
  }
  p = aSourcePathsAndNames;
  while ((p2 = strchr(p, '|')) != NULL) {
    lLen = p2 - p;
    memmove(lDestination, p, lLen);
    lDestination[lLen] = '\0';
    if (fileExists(lDestination)) {
      lDestination += lLen;
      *lDestination = '|';
      lDestination++;
    }
    p = p2 + 1;
  }
  if (fileExists(p)) {
    lLen = strlen(p);
    memmove(lDestination, p, lLen);
    lDestination[lLen] = '\0';
  } else {
    *(lDestination - 1) = '\0';
  }
  return aDestination;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<ensureFilesExist>:
  endbr64
  test   %rsi,%rsi
  je     L24
  push   %r14
  mov    %rsi,%r14
  push   %r13
  mov    %rdi,%r13
  mov    %rsi,%rdi
  push   %r12
  push   %rbp
  push   %rbx
  call   <strlen@plt>
  test   %rax,%rax
  je     L44
  mov    %r13,%r12
  jmp    L52
  nopl   0x0(%rax)
L28:
  mov    %rbx,%rbp
  mov    %r12,%rdi
  mov    %r14,%rsi
  sub    %r14,%rbp
  mov    %rbp,%rdx
  add    %r12,%rbp
  call   <memmove@plt>
  movb   $0x0,0x0(%rbp)
  mov    %r12,%rdi
  call   <fileExists@plt>
  test   %rax,%rax
  je     L14
  movb   $0x7c,0x0(%rbp)
  lea    0x1(%rbp),%r12
L14:
  lea    0x1(%rbx),%r14
L52:
  mov    $0x7c,%esi
  mov    %r14,%rdi
  call   <strchr@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  jne    L28
  mov    %r14,%rdi
  call   <fileExists@plt>
  test   %rax,%rax
  jne    L21
  movb   $0x0,-0x1(%r12)
  mov    %r13,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L21:
  mov    %r14,%rdi
  call   <strlen@plt>
  mov    %r14,%rsi
  mov    %r12,%rdi
  mov    %rax,%rbx
  mov    %rax,%rdx
  call   <memmove@plt>
  movb   $0x0,(%r12,%rbx,1)
  mov    %r13,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopw   0x0(%rax,%rax,1)
L44:
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax,%rax,1)
L24:
  xor    %eax,%eax
  ret
```

assistant: ```c
char const *ensureFilesExist(char *const aDestination, char const *const aSourcePathsAndNames) {
  char *lDestination = aDestination;
  char const *p;
  char const *p2;
  size_t lLen;
  if (!aSourcePathsAndNames) {
    return NULL;
  }
  lLen = strlen(aSourcePathsAndNames);
  if (!lLen) {
    return NULL;
  }
  p = aSourcePathsAndNames;
  while ((p2 = strchr(p, '|')) != NULL) {
    lLen = p2 - p;
    memmove(lDestination, p, lLen);
    lDestination[lLen] = '\0';
    if (fileExists(lDestination)) {
      lDestination += lLen;
      *lDestination = '|';
      lDestination++;
    }
    p = p2 + 1;
  }
  if (fileExists(p)) {
    lLen = strlen(p);
    memmove(lDestination, p, lLen);
    lDestination[lLen] = '\0';
  } else {
    *(lDestination - 1) = '\0';
  }
  return aDestination;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<ensureFilesExist>:
  endbr64
  test   %rsi,%rsi
  je     L16
  push   %r14
  mov    %rsi,%r14
  push   %r13
  mov    %rdi,%r13
  mov    %rsi,%rdi
  push   %r12
  push   %rbp
  push   %rbx
  call   <strlen@plt>
  test   %rax,%rax
  je     L48
  mov    %r13,%r12
  jmp    L24
  nopl   0x0(%rax)
L25:
  mov    %rbx,%rbp
  mov    %r12,%rdi
  mov    %r14,%rsi
  sub    %r14,%rbp
  mov    %rbp,%rdx
  add    %r12,%rbp
  call   <memmove@plt>
  movb   $0x0,0x0(%rbp)
  mov    %r12,%rdi
  call   <fileExists@plt>
  test   %rax,%rax
  je     L5
  movb   $0x7c,0x0(%rbp)
  lea    0x1(%rbp),%r12
L5:
  lea    0x1(%rbx),%r14
L24:
  mov    $0x7c,%esi
  mov    %r14,%rdi
  call   <strchr@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  jne    L25
  mov    %r14,%rdi
  call   <fileExists@plt>
  test   %rax,%rax
  jne    L7
  movb   $0x0,-0x1(%r12)
  mov    %r13,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L7:
  mov    %r14,%rdi
  call   <strlen@plt>
  mov    %r14,%rsi
  mov    %r12,%rdi
  mov    %rax,%rbx
  mov    %rax,%rdx
  call   <memmove@plt>
  movb   $0x0,(%r12,%rbx,1)
  mov    %r13,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopw   0x0(%rax,%rax,1)
L48:
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax,%rax,1)
L16:
  xor    %eax,%eax
  ret
```

assistant: ```c
char const *ensureFilesExist(char *const aDestination, char const *const aSourcePathsAndNames) {
  char *lDestination = aDestination;
  char const *p;
  char const *p2;
  size_t lLen;
  if (!aSourcePathsAndNames) {
    return NULL;
  }
  lLen = strlen(aSourcePathsAndNames);
  if (!lLen) {
    return NULL;
  }
  p = aSourcePathsAndNames;
  while ((p2 = strchr(p, '|')) != NULL) {
    lLen = p2 - p;
    memmove(lDestination, p, lLen);
    lDestination[lLen] = '\0';
    if (fileExists(lDestination)) {
      lDestination += lLen;
      *lDestination = '|';
      lDestination++;
    }
    p = p2 + 1;
  }
  if (fileExists(p)) {
    lLen = strlen(p);
    memmove(lDestination, p, lLen);
    lDestination[lLen] = '\0';
  } else {
    *(lDestination - 1) = '\0';
  }
  return aDestination;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    D17(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  lea    -0x10(%rbp),%rdx
  lea    -0x14(%rbp),%rax
  mov    %rax,%rsi
  lea    D24(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  mov    -0x14(%rbp),%edx
  mov    -0x10(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  mov    %eax,%esi
  lea    D20(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L1
  call   <__stack_chk_fail@plt>
L1:
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: data_label: D17
type_infered: string
name: disassemble_data
arguments: data_label: D24
type_infered: string
name: disassemble_data
arguments: data_label: D20
type_infered: string

tool: D17: Enter Two no.s

tool: D24: %d%d

tool: D20: total is %d


assistant: ```c
int main() {
  int a, b;
  printf("Enter Two no.s\n");
  scanf("%d%d", &a, &b);
  int c = a + b;
  printf("total is %d\n", c);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    D1(%rip),%rdi
  call   <puts@plt>
  lea    0x4(%rsp),%rdx
  mov    %rsp,%rsi
  lea    D13(%rip),%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%esi
  add    (%rsp),%esi
  lea    D15(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L3
  mov    $0x0,%eax
  add    $0x18,%rsp
  ret
L3:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_tag: D1
data_type: string
name: read_data
arguments: data_tag: D13
data_type: string
name: read_data
arguments: data_tag: D15
data_type: string

tool: D1: Enter Two no.s

tool: D13: %d%d

tool: D15: total is %d


assistant: ```c
int main() {
  int a, b;
  printf("Enter Two no.s\n");
  scanf("%d%d", &a, &b);
  int c = a + b;
  printf("total is %d\n", c);
}
```
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    D24(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <puts@plt>
  mov    %rsp,%rsi
  lea    0x4(%rsp),%rdx
  lea    D13(%rip),%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%esi
  xor    %eax,%eax
  add    (%rsp),%esi
  lea    D9(%rip),%rdi
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  xor    %eax,%eax
  add    $0x18,%rsp
  ret
L8:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: label: D24
data_type: string
name: disassemble_data
arguments: label: D13
data_type: string
name: disassemble_data
arguments: label: D9
data_type: string

tool: D24: Enter Two no.s

tool: D13: %d%d

tool: D9: total is %d


assistant: ```c
int main() {
  int a, b;
  printf("Enter Two no.s\n");
  scanf("%d%d", &a, &b);
  int c = a + b;
  printf("total is %d\n", c);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  lea    D25(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <puts@plt>
  mov    %rsp,%rsi
  lea    0x4(%rsp),%rdx
  lea    D14(%rip),%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%esi
  xor    %eax,%eax
  add    (%rsp),%esi
  lea    D20(%rip),%rdi
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L0
  xor    %eax,%eax
  add    $0x18,%rsp
  ret
L0:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: label: D25
data_type: string
name: extract_symbolic_data
arguments: label: D14
data_type: string
name: extract_symbolic_data
arguments: label: D20
data_type: string

tool: D25: Enter Two no.s

tool: D14: %d%d

tool: D20: total is %d


assistant: ```c
int main() {
  int a, b;
  printf("Enter Two no.s\n");
  scanf("%d%d", &a, &b);
  int c = a + b;
  printf("total is %d\n", c);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<double_stuff_byte>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    %ecx,%eax
  mov    %al,-0x2c(%rbp)
  movw   $0x0,-0x4(%rbp)
  movw   $0x0,-0x2(%rbp)
  movw   $0x0,-0x4(%rbp)
  jmp    L27
L6:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    %al,-0x2c(%rbp)
  je     L20
  mov    -0x18(%rbp),%rdx
  lea    0x1(%rdx),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    %rcx,-0x20(%rbp)
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
  jmp    L34
L20:
  mov    -0x18(%rbp),%rdx
  lea    0x1(%rdx),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    %rcx,-0x20(%rbp)
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  movzbl -0x2c(%rbp),%edx
  mov    %dl,(%rax)
  movzwl -0x2(%rbp),%eax
  add    $0x1,%eax
  mov    %ax,-0x2(%rbp)
L34:
  movzwl -0x4(%rbp),%eax
  add    $0x1,%eax
  mov    %ax,-0x4(%rbp)
L27:
  mov    -0x28(%rbp),%rax
  movzwl (%rax),%eax
  cmp    %ax,-0x4(%rbp)
  jb     L6
  mov    -0x28(%rbp),%rax
  movzwl (%rax),%edx
  movzwl -0x2(%rbp),%eax
  add    %eax,%edx
  mov    -0x28(%rbp),%rax
  mov    %dx,(%rax)
  movzwl -0x2(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int double_stuff_byte(unsigned char *before, unsigned char *after, unsigned short int *len, unsigned char stuff_byte) {
  unsigned short int i = 0, stuff_count = 0;
  for (i = 0; i < *len; i++) {
    if (*before != stuff_byte) {
      *after++ = *before++;
    } else {
      *after++ = *before++;
      *after++ = stuff_byte;
      stuff_count++;
    }
  }
  *len += stuff_count;
  return stuff_count;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<double_stuff_byte>:
  endbr64
  movzwl (%rdx),%r9d
  test   %r9w,%r9w
  je     L11
  add    $0x1,%rdi
  mov    $0x0,%eax
  mov    $0x0,%r8d
  jmp    L31
L34:
  mov    %cl,(%rsi)
  mov    %cl,0x1(%rsi)
  add    $0x1,%eax
  lea    0x2(%rsi),%rsi
L21:
  add    $0x1,%r8d
  movzwl (%rdx),%r9d
  add    $0x1,%rdi
  cmp    %r8w,%r9w
  jbe    L29
L31:
  movzbl -0x1(%rdi),%r9d
  cmp    %cl,%r9b
  je     L34
  mov    %r9b,(%rsi)
  lea    0x1(%rsi),%rsi
  jmp    L21
L11:
  mov    %r9d,%eax
L29:
  add    %eax,%r9d
  mov    %r9w,(%rdx)
  movzwl %ax,%eax
  ret
```

assistant: ```c
int double_stuff_byte(unsigned char *before, unsigned char *after, unsigned short int *len, unsigned char stuff_byte) {
  unsigned short int i = 0, stuff_count = 0;
  for (i = 0; i < *len; i++) {
    if (*before != stuff_byte) {
      *after++ = *before++;
    } else {
      *after++ = *before++;
      *after++ = stuff_byte;
      stuff_count++;
    }
  }
  *len += stuff_count;
  return stuff_count;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<double_stuff_byte>:
  endbr64
  movzwl (%rdx),%r9d
  test   %r9w,%r9w
  je     L43
  xor    %r8d,%r8d
  xor    %eax,%eax
  jmp    L28
  nopl   (%rax)
L45:
  mov    %r9b,(%rsi)
  movzwl (%rdx),%r9d
  add    $0x1,%r8
  add    $0x1,%rsi
  cmp    %r8w,%r9w
  jbe    L36
L28:
  movzbl (%rdi,%r8,1),%r9d
  cmp    %cl,%r9b
  jne    L45
  mov    %cl,(%rsi)
  add    $0x1,%r8
  add    $0x1,%eax
  add    $0x2,%rsi
  mov    %cl,-0x1(%rsi)
  movzwl (%rdx),%r9d
  cmp    %r8w,%r9w
  ja     L28
L36:
  add    %eax,%r9d
  movzwl %ax,%eax
  mov    %r9w,(%rdx)
  ret
  nopl   0x0(%rax)
L43:
  mov    %r9w,(%rdx)
  xor    %eax,%eax
  ret
```

assistant: ```c
int double_stuff_byte(unsigned char *before, unsigned char *after, unsigned short int *len, unsigned char stuff_byte) {
  unsigned short int i = 0, stuff_count = 0;
  for (i = 0; i < *len; i++) {
    if (*before != stuff_byte) {
      *after++ = *before++;
    } else {
      *after++ = *before++;
      *after++ = stuff_byte;
      stuff_count++;
    }
  }
  *len += stuff_count;
  return stuff_count;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<double_stuff_byte>:
  endbr64
  mov    %rdi,%r10
  movzwl (%rdx),%edi
  test   %di,%di
  je     L25
  xor    %edi,%edi
  xor    %eax,%eax
  jmp    L44
  nopl   (%rax)
L36:
  mov    %r8b,(%rsi)
  lea    0x1(%rsi),%r9
  movzwl (%rdx),%esi
  add    $0x1,%rdi
  cmp    %di,%si
  jbe    L20
L35:
  mov    %r9,%rsi
L44:
  movzbl (%r10,%rdi,1),%r8d
  cmp    %cl,%r8b
  jne    L36
  mov    %cl,0x1(%rsi)
  lea    0x2(%rsi),%r9
  add    $0x1,%rdi
  add    $0x1,%eax
  mov    %cl,(%rsi)
  movzwl (%rdx),%esi
  cmp    %di,%si
  ja     L35
L20:
  lea    (%rsi,%rax,1),%edi
  movzwl %ax,%eax
  mov    %di,(%rdx)
  ret
  nopw   0x0(%rax,%rax,1)
L25:
  mov    %di,(%rdx)
  xor    %eax,%eax
  ret
```

assistant: ```c
int double_stuff_byte(unsigned char *before, unsigned char *after, unsigned short int *len, unsigned char stuff_byte) {
  unsigned short int i = 0, stuff_count = 0;
  for (i = 0; i < *len; i++) {
    if (*before != stuff_byte) {
      *after++ = *before++;
    } else {
      *after++ = *before++;
      *after++ = stuff_byte;
      stuff_count++;
    }
  }
  *len += stuff_count;
  return stuff_count;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<do_read>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x18(%rbp)
L18:
  mov    -0x18(%rbp),%edx
  mov    -0x20(%rbp),%rcx
  mov    -0x14(%rbp),%eax
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <read@plt>
  mov    %eax,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  jns    L3
  mov    D1(%rip),%rax
  mov    (%rax),%rdx
  mov    D7(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,%rdx
  je     L18
L3:
  mov    -0x4(%rbp),%eax
  leave
  ret
```

assistant: ```c
int do_read(int fd, char *data, int length) {
  int res;
  do
    res = read(fd, data, length);
  while ((res < 0) && (errno == EINTR));
  return res;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<do_read>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edi,%r12d
  mov    %rsi,%rbp
  mov    %edx,%ebx
L6:
  mov    %ebx,%edx
  mov    %rbp,%rsi
  mov    %r12d,%edi
  call   <read@plt>
  test   %eax,%eax
  jns    L1
  mov    D6(%rip),%rcx
  mov    D13(%rip),%rdx
  mov    (%rdx),%rsi
  cmp    %rsi,(%rcx)
  je     L6
L1:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
int do_read(int fd, char *data, int length) {
  int res;
  do
    res = read(fd, data, length);
  while ((res < 0) && (errno == EINTR));
  return res;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<do_read>:
  endbr64
  push   %r12
  mov    %edi,%r12d
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %edx,%ebx
  jmp    L9
  nopw   0x0(%rax,%rax,1)
L5:
  mov    D6(%rip),%rdx
  mov    D1(%rip),%rcx
  mov    (%rdx),%rsi
  cmp    %rsi,(%rcx)
  jne    L0
L9:
  mov    %ebx,%edx
  mov    %rbp,%rsi
  mov    %r12d,%edi
  call   <read@plt>
  test   %eax,%eax
  js     L5
L0:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
int do_read(int fd, char *data, int length) {
  int res;
  do
    res = read(fd, data, length);
  while ((res < 0) && (errno == EINTR));
  return res;
}
```