ylfeng/ReF-Decompile-dataset huggingface dataset:
user: What is the c source code of the assembly code below?

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x38,%rsp
  mov    %edi,-0x54(%rbp)
  mov    %rsi,-0x60(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  mov    %rsp,%rax
  mov    %rax,%rbx
  mov    -0x60(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  movslq %eax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x48(%rbp)
  movslq %eax,%rdx
  mov    %rdx,%r14
  mov    $0x0,%r15d
  movslq %eax,%rdx
  mov    %rdx,%r12
  mov    $0x0,%r13d
  cltq
  mov    $0x10,%edx
  sub    $0x1,%rdx
  add    %rdx,%rax
  mov    $0x10,%esi
  mov    $0x0,%edx
  div    %rsi
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L13:
  cmp    %rdx,%rsp
  je     L3
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L13
L3:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L20
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L20:
  mov    %rsp,%rax
  add    $0x0,%rax
  mov    %rax,-0x40(%rbp)
  mov    -0x60(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rdx
  mov    -0x40(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    -0x40(%rbp),%rax
  mov    %rax,%rdi
  call   <walker@plt>
  mov    $0x0,%eax
  mov    %rbx,%rsp
  mov    -0x38(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L30
  call   <__stack_chk_fail@plt>
L30:
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
```

assistant: ```c
int main(int argc, char *argv[]) {
  char basedir[strlen(argv[1])];
  strcpy(basedir, argv[1]);
  walker(basedir);
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rsi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,-0x18(%rbp)
  xor    %eax,%eax
  mov    0x8(%rsi),%rdi
  call   <strlen@plt>
  cltq
  add    $0xf,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffffff0,%rcx
  and    $0xfffffffffffff000,%rax
  mov    %rsp,%rdx
  sub    %rax,%rdx
L6:
  cmp    %rdx,%rsp
  je     L33
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L6
L33:
  mov    %rcx,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L4
  orq    $0x0,-0x8(%rsp,%rax,1)
L4:
  mov    0x8(%rbx),%rsi
  mov    %rsp,%rdi
  call   <strcpy@plt>
  mov    %rsp,%rdi
  call   <walker@plt>
  mov    -0x18(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L9
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rbx
  leave
  ret
L9:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main(int argc, char *argv[]) {
  char basedir[strlen(argv[1])];
  strcpy(basedir, argv[1]);
  walker(basedir);
  return 0;
}
```
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
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x18,%rsp
  mov    0x8(%rsi),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,-0x18(%rbp)
  xor    %eax,%eax
  call   <strlen@plt>
  mov    %rsp,%rcx
  cltq
  add    $0xf,%rax
  mov    %rax,%rdx
  and    $0xfffffffffffff000,%rax
  sub    %rax,%rcx
  and    $0xfffffffffffffff0,%rdx
  cmp    %rcx,%rsp
  je     L49
L10:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %rcx,%rsp
  jne    L10
L49:
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  jne    L32
L24:
  mov    0x8(%rbx),%rsi
  mov    %rsp,%rdi
  call   <strcpy@plt>
  mov    %rsp,%rdi
  call   <walker@plt>
  mov    -0x18(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L42
  mov    -0x8(%rbp),%rbx
  xor    %eax,%eax
  leave
  ret
L32:
  orq    $0x0,-0x8(%rsp,%rdx,1)
  jmp    L24
L42:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main(int argc, char *argv[]) {
  char basedir[strlen(argv[1])];
  strcpy(basedir, argv[1]);
  walker(basedir);
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x18,%rsp
  mov    0x8(%rsi),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,-0x18(%rbp)
  xor    %eax,%eax
  call   <strlen@plt>
  mov    %rsp,%rcx
  cltq
  add    $0xf,%rax
  mov    %rax,%rdx
  and    $0xfffffffffffff000,%rax
  sub    %rax,%rcx
  and    $0xfffffffffffffff0,%rdx
  cmp    %rcx,%rsp
  je     L4
L39:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %rcx,%rsp
  jne    L39
L4:
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  jne    L14
L9:
  mov    0x8(%rbx),%rsi
  mov    %rsp,%rdi
  call   <strcpy@plt>
  mov    %rsp,%rdi
  call   <walker@plt>
  mov    -0x18(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L2
  mov    -0x8(%rbp),%rbx
  xor    %eax,%eax
  leave
  ret
L14:
  orq    $0x0,-0x8(%rsp,%rdx,1)
  jmp    L9
L2:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main(int argc, char *argv[]) {
  char basedir[strlen(argv[1])];
  strcpy(basedir, argv[1]);
  walker(basedir);
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<ip_cksum_add>:
  endbr64
  push   %rbx
  mov    %rdi,%rcx
  mov    %rsi,%r8
  mov    %edx,%eax
  mov    %rsi,%rdx
  shr    %rdx
  lea    0x1e(%rdx),%esi
  mov    %edx,%edi
  add    $0xf,%edi
  cmovns %edi,%esi
  sar    $0x4,%esi
  mov    %edx,%edi
  sar    $0x1f,%edi
  shr    $0x1c,%edi
  add    %edi,%edx
  and    $0xf,%edx
  sub    %edi,%edx
  cmp    $0xf,%edx
  ja     L35
  mov    %edx,%edx
  lea    D6(%rip),%rdi
  movslq (%rdi,%rdx,4),%rdx
  add    %rdi,%rdx
  notrack jmp *%rdx
  mov    %eax,%ebx
  jmp    L124
L80:
  add    (%rcx),%eax
  lea    0x4(%rcx),%rcx
  lea    0x4(%rcx),%rdx
  add    (%rcx),%eax
L122:
  lea    0x4(%rdx),%rcx
  add    (%rdx),%eax
  lea    0x4(%rcx),%rdx
  add    (%rcx),%eax
L99:
  lea    0x4(%rdx),%rcx
  add    (%rdx),%eax
  lea    0x4(%rcx),%rdx
  add    (%rcx),%eax
L59:
  lea    0x4(%rdx),%rcx
  add    (%rdx),%eax
  lea    0x4(%rcx),%rdx
  add    (%rcx),%eax
L38:
  lea    0x4(%rdx),%rcx
  add    (%rdx),%eax
  lea    0x4(%rcx),%rdx
  add    (%rcx),%eax
L85:
  lea    0x4(%rdx),%rcx
  add    (%rdx),%eax
  lea    0x4(%rcx),%rdx
  add    (%rcx),%eax
L14:
  lea    0x4(%rdx),%rcx
  add    (%rdx),%eax
  lea    0x4(%rcx),%rdx
  add    (%rcx),%eax
L4:
  lea    0x4(%rdx),%rcx
  add    (%rdx),%eax
  mov    %eax,%ebx
  sub    $0x1,%esi
  test   %esi,%esi
  jle    L100
L124:
  mov    %ebx,%eax
  add    (%rcx),%eax
  lea    0x4(%rcx),%rcx
  jmp    L80
  mov    %rcx,%rdx
  jmp    L122
  mov    %rcx,%rdx
  jmp    L99
  mov    %rcx,%rdx
  jmp    L59
  mov    %rcx,%rdx
  jmp    L38
  mov    %rcx,%rdx
  jmp    L85
  mov    %rcx,%rdx
  jmp    L14
  mov    %rcx,%rdx
  jmp    L4
L35:
  mov    %eax,%ebx
L100:
  test   $0x1,%r8b
  jne    L25
L31:
  mov    %ebx,%eax
  pop    %rbx
  ret
L25:
  mov    (%rcx),%edi
  shl    $0x8,%edi
  call   <htons@plt>
  add    %eax,%ebx
  jmp    L31
```

assistant: ```c
int ip_cksum_add(const void *buf, size_t len, int cksum) {
  uint16_t *sp = (uint16_t *)buf;
  int n, sn;
  sn = len / 2;
  n = (sn + 15) / 16;
  switch (sn % 16) {
  case 0:
    do {
      cksum += *sp++;
    case 15:
      cksum += *sp++;
    case 14:
      cksum += *sp++;
    case 13:
      cksum += *sp++;
    case 12:
      cksum += *sp++;
    case 11:
      cksum += *sp++;
    case 10:
      cksum += *sp++;
    case 9:
      cksum += *sp++;
    case 8:
      cksum += *sp++;
    case 7:
      cksum += *sp++;
    case 6:
      cksum += *sp++;
    case 5:
      cksum += *sp++;
    case 4:
      cksum += *sp++;
    case 3:
      cksum += *sp++;
    case 2:
      cksum += *sp++;
    case 1:
      cksum += *sp++;
    } while (--n > 0);
  }
  if (len & 1)
    cksum += htons(*(u_char *)sp << 8);
  return (cksum);
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<fl_disp>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %esi,-0xc(%rbp)
  mov    -0xc(%rbp),%edx
  mov    -0x8(%rbp),%rax
  mov    %rax,%rsi
  lea    D0(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    -0xc(%rbp),%eax
  mov    %eax,%edi
  call   <bin_prn@plt>
  mov    $0xa,%edi
  call   <putchar@plt>
  nop
  leave
  ret
```

tool_calls: name: read_data
arguments: data_tag: D0
data_type: string

tool: D0: %-30s: %-7d:

assistant: ```c
void fl_disp(char *label, unsigned int value) {
  printf("%-30s: %-7d:", label, value);
  bin_prn(value);
  printf("\n");
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<fl_disp>:
  endbr64
  push   %rbx
  mov    %esi,%ebx
  mov    %esi,%edx
  mov    %rdi,%rsi
  lea    D9(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    %ebx,%edi
  call   <bin_prn@plt>
  mov    $0xa,%edi
  call   <putchar@plt>
  pop    %rbx
  ret
```

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

tool: D9: %-30s: %-7d:

assistant: ```c
void fl_disp(char *label, unsigned int value) {
  printf("%-30s: %-7d:", label, value);
  bin_prn(value);
  printf("\n");
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<fl_disp>:
  endbr64
  push   %rbp
  mov    %esi,%edx
  mov    %esi,%ebp
  xor    %eax,%eax
  mov    %rdi,%rsi
  lea    D1(%rip),%rdi
  call   <printf@plt>
  mov    %ebp,%edi
  call   <bin_prn@plt>
  mov    $0xa,%edi
  pop    %rbp
  jmp    1070 <putchar@plt>
```

tool_calls: name: retrieve_data
arguments: data_tag: D1
data_type: string

tool: D1: %-30s: %-7d:

assistant: ```c
void fl_disp(char *label, unsigned int value) {
  printf("%-30s: %-7d:", label, value);
  bin_prn(value);
  printf("\n");
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<fl_disp>:
  endbr64
  push   %rbp
  mov    %esi,%edx
  mov    %esi,%ebp
  xor    %eax,%eax
  mov    %rdi,%rsi
  lea    D8(%rip),%rdi
  call   <printf@plt>
  mov    %ebp,%edi
  call   <bin_prn@plt>
  mov    $0xa,%edi
  pop    %rbp
  jmp    1070 <putchar@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D8
type: string

tool: D8: %-30s: %-7d:

assistant: ```c
void fl_disp(char *label, unsigned int value) {
  printf("%-30s: %-7d:", label, value);
  bin_prn(value);
  printf("\n");
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<help_sleep>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  mov    %rsi,-0x10(%rbp)
  lea    D1(%rip),%rax
  mov    %rax,%rdi
  call   <esc_prn@plt>
  mov    $0x1,%eax
  leave
  ret
```

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

tool: D1: 
{Hsleep} [{Useconds}] [{Utext}]
  Print {Utext} and pause execution of script for {Utime} seconds.
  If {Useconds} is zero or missing, pause until a key is pressed. 
  Default text when no parameters given: 'Press any key to continue'
  See {Hload} [{Ufilename}]


assistant: ```c
int help_sleep(int argc, char **argv) {
  esc_prn("\n{Hsleep} [{Useconds}] [{Utext}]\n"
          "  Print {Utext} and pause execution of script for {Utime} seconds.\n"
          "  If {Useconds} is zero or missing, pause until a key is pressed. \n"
          "  Default text when no parameters given: 'Press any key to continue'\n"
          "  See {Hload} [{Ufilename}]\n");
  return 1;
}
```
user: What is the c source code of the assembly code below:

```asm
<help_sleep>:
  endbr64
  sub    $0x8,%rsp
  lea    D9(%rip),%rdi
  call   <esc_prn@plt>
  mov    $0x1,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: disassemble_data
arguments: label: D9
type_guessed: string

tool: D9: 
{Hsleep} [{Useconds}] [{Utext}]
  Print {Utext} and pause execution of script for {Utime} seconds.
  If {Useconds} is zero or missing, pause until a key is pressed. 
  Default text when no parameters given: 'Press any key to continue'
  See {Hload} [{Ufilename}]


assistant: ```c
int help_sleep(int argc, char **argv) {
  esc_prn("\n{Hsleep} [{Useconds}] [{Utext}]\n"
          "  Print {Utext} and pause execution of script for {Utime} seconds.\n"
          "  If {Useconds} is zero or missing, pause until a key is pressed. \n"
          "  Default text when no parameters given: 'Press any key to continue'\n"
          "  See {Hload} [{Ufilename}]\n");
  return 1;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<help_sleep>:
  endbr64
  sub    $0x8,%rsp
  lea    D4(%rip),%rdi
  call   <esc_prn@plt>
  mov    $0x1,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: parse_data
arguments: label: D4
type: string

tool: D4: 
{Hsleep} [{Useconds}] [{Utext}]
  Print {Utext} and pause execution of script for {Utime} seconds.
  If {Useconds} is zero or missing, pause until a key is pressed. 
  Default text when no parameters given: 'Press any key to continue'
  See {Hload} [{Ufilename}]


assistant: ```c
int help_sleep(int argc, char **argv) {
  esc_prn("\n{Hsleep} [{Useconds}] [{Utext}]\n"
          "  Print {Utext} and pause execution of script for {Utime} seconds.\n"
          "  If {Useconds} is zero or missing, pause until a key is pressed. \n"
          "  Default text when no parameters given: 'Press any key to continue'\n"
          "  See {Hload} [{Ufilename}]\n");
  return 1;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<help_sleep>:
  endbr64
  sub    $0x8,%rsp
  lea    D4(%rip),%rdi
  call   <esc_prn@plt>
  mov    $0x1,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: read_data
arguments: data_label: D4
type: string

tool: D4: 
{Hsleep} [{Useconds}] [{Utext}]
  Print {Utext} and pause execution of script for {Utime} seconds.
  If {Useconds} is zero or missing, pause until a key is pressed. 
  Default text when no parameters given: 'Press any key to continue'
  See {Hload} [{Ufilename}]


assistant: ```c
int help_sleep(int argc, char **argv) {
  esc_prn("\n{Hsleep} [{Useconds}] [{Utext}]\n"
          "  Print {Utext} and pause execution of script for {Utime} seconds.\n"
          "  If {Useconds} is zero or missing, pause until a key is pressed. \n"
          "  Default text when no parameters given: 'Press any key to continue'\n"
          "  See {Hload} [{Ufilename}]\n");
  return 1;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<memcpy>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x24(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  jmp    L8
L5:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x8(%rbp),%rax
  mov    %dl,(%rax)
  addq   $0x1,-0x8(%rbp)
  addq   $0x1,-0x10(%rbp)
L8:
  mov    -0x24(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,-0x24(%rbp)
  test   %eax,%eax
  jne    L5
  mov    -0x18(%rbp),%rax
  pop    %rbp
  ret
```

assistant: ```c
void *memcpy(void *dest, void *source, int size) {
  char *src;
  char *dst;
  dst = (char *)dest;
  src = (char *)source;
  while (size-- != 0) {
    *dst = *src;
    dst++;
    src++;
  }
  return dest;
}
```
user: Translate the below assembly code into C programming language:

```asm
<memcpy>:
  endbr64
  mov    %rdi,%rax
  test   %edx,%edx
  je     L6
  mov    %edx,%edx
  mov    $0x0,%ecx
L15:
  movzbl (%rsi,%rcx,1),%r8d
  mov    %r8b,(%rax,%rcx,1)
  add    $0x1,%rcx
  cmp    %rdx,%rcx
  jne    L15
L6:
  ret
```

assistant: ```c
void *memcpy(void *dest, void *source, int size) {
  char *src;
  char *dst;
  dst = (char *)dest;
  src = (char *)source;
  while (size-- != 0) {
    *dst = *src;
    dst++;
    src++;
  }
  return dest;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<memcpy>:
  endbr64
  mov    %rdi,%rax
  test   %edx,%edx
  je     L9
  mov    %edx,%edx
  xor    %ecx,%ecx
  nop
L5:
  movzbl (%rsi,%rcx,1),%r8d
  mov    %r8b,(%rax,%rcx,1)
  add    $0x1,%rcx
  cmp    %rdx,%rcx
  jne    L5
L9:
  ret
```

assistant: ```c
void *memcpy(void *dest, void *source, int size) {
  char *src;
  char *dst;
  dst = (char *)dest;
  src = (char *)source;
  while (size-- != 0) {
    *dst = *src;
    dst++;
    src++;
  }
  return dest;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<memcpy>:
  endbr64
  mov    %rsi,%rcx
  mov    %rdi,%r8
  lea    -0x1(%rdx),%esi
  test   %edx,%edx
  je     L17
  lea    0x1(%rcx),%rdi
  mov    %r8,%rax
  sub    %rdi,%rax
  cmp    $0xe,%rax
  jbe    L59
  cmp    $0x6,%esi
  jbe    L59
  cmp    $0xe,%esi
  jbe    L119
  mov    %edx,%edi
  xor    %eax,%eax
  shr    $0x4,%edi
  shl    $0x4,%rdi
  cs nopw 0x0(%rax,%rax,1)
L149:
  movdqu (%rcx,%rax,1),%xmm0
  movups %xmm0,(%r8,%rax,1)
  add    $0x10,%rax
  cmp    %rax,%rdi
  jne    L149
  mov    %edx,%eax
  and    $0xfffffff0,%eax
  mov    %eax,%edi
  sub    %eax,%esi
  lea    (%rcx,%rdi,1),%r9
  add    %r8,%rdi
  cmp    %eax,%edx
  je     L17
L72:
  sub    %eax,%edx
  lea    -0x1(%rdx),%r10d
  cmp    $0x6,%r10d
  jbe    L16
  mov    (%rcx,%rax,1),%rcx
  mov    %rcx,(%r8,%rax,1)
  mov    %edx,%eax
  and    $0xfffffff8,%eax
  mov    %eax,%ecx
  sub    %eax,%esi
  add    %rcx,%r9
  add    %rcx,%rdi
  cmp    %eax,%edx
  je     L17
L16:
  movzbl (%r9),%eax
  mov    %al,(%rdi)
  test   %esi,%esi
  je     L17
  movzbl 0x1(%r9),%eax
  mov    %al,0x1(%rdi)
  cmp    $0x1,%esi
  je     L17
  movzbl 0x2(%r9),%eax
  mov    %al,0x2(%rdi)
  cmp    $0x2,%esi
  je     L17
  movzbl 0x3(%r9),%eax
  mov    %al,0x3(%rdi)
  cmp    $0x3,%esi
  je     L17
  movzbl 0x4(%r9),%eax
  mov    %al,0x4(%rdi)
  cmp    $0x4,%esi
  je     L17
  movzbl 0x5(%r9),%eax
  mov    %al,0x5(%rdi)
  cmp    $0x5,%esi
  je     L17
  movzbl 0x6(%r9),%eax
  mov    %al,0x6(%rdi)
L17:
  mov    %r8,%rax
  ret
  nopl   (%rax)
L59:
  mov    %edx,%edx
  xor    %eax,%eax
  nopl   0x0(%rax)
L150:
  movzbl (%rcx,%rax,1),%esi
  mov    %sil,(%r8,%rax,1)
  add    $0x1,%rax
  cmp    %rdx,%rax
  jne    L150
  mov    %r8,%rax
  ret
L119:
  mov    %r8,%rdi
  mov    %rcx,%r9
  xor    %eax,%eax
  jmp    L72
```

assistant: ```c
void *memcpy(void *dest, void *source, int size) {
  char *src;
  char *dst;
  dst = (char *)dest;
  src = (char *)source;
  while (size-- != 0) {
    *dst = *src;
    dst++;
    src++;
  }
  return dest;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<i2c_start>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    $0x0,%eax
  call   <i2c_delay@plt>
  mov    $0x0,%eax
  call   <i2c_delay@plt>
  mov    $0x0,%eax
  call   <sda_low@plt>
  mov    $0x0,%eax
  call   <i2c_delay@plt>
  mov    $0x0,%eax
  call   <i2c_delay@plt>
  mov    $0x0,%eax
  call   <scl_low@plt>
  mov    $0x0,%eax
  call   <i2c_delay@plt>
  nop
  pop    %rbp
  ret
```

assistant: ```c
void i2c_start(void) {
  i2c_delay();
  i2c_delay();
  sda_low();
  i2c_delay();
  i2c_delay();
  scl_low();
  i2c_delay();
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<i2c_start>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <i2c_delay@plt>
  mov    $0x0,%eax
  call   <i2c_delay@plt>
  mov    $0x0,%eax
  call   <sda_low@plt>
  mov    $0x0,%eax
  call   <i2c_delay@plt>
  mov    $0x0,%eax
  call   <i2c_delay@plt>
  mov    $0x0,%eax
  call   <scl_low@plt>
  mov    $0x0,%eax
  call   <i2c_delay@plt>
  add    $0x8,%rsp
  ret
```

assistant: ```c
void i2c_start(void) {
  i2c_delay();
  i2c_delay();
  sda_low();
  i2c_delay();
  i2c_delay();
  scl_low();
  i2c_delay();
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<i2c_start>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <i2c_delay@plt>
  xor    %eax,%eax
  call   <i2c_delay@plt>
  xor    %eax,%eax
  call   <sda_low@plt>
  xor    %eax,%eax
  call   <i2c_delay@plt>
  xor    %eax,%eax
  call   <i2c_delay@plt>
  xor    %eax,%eax
  call   <scl_low@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  jmp    1090 <i2c_delay@plt>
```

assistant: ```c
void i2c_start(void) {
  i2c_delay();
  i2c_delay();
  sda_low();
  i2c_delay();
  i2c_delay();
  scl_low();
  i2c_delay();
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<i2c_start>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <i2c_delay@plt>
  xor    %eax,%eax
  call   <i2c_delay@plt>
  xor    %eax,%eax
  call   <sda_low@plt>
  xor    %eax,%eax
  call   <i2c_delay@plt>
  xor    %eax,%eax
  call   <i2c_delay@plt>
  xor    %eax,%eax
  call   <scl_low@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  jmp    1090 <i2c_delay@plt>
```

assistant: ```c
void i2c_start(void) {
  i2c_delay();
  i2c_delay();
  sda_low();
  i2c_delay();
  i2c_delay();
  scl_low();
  i2c_delay();
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<atomic>:
  endbr64
  push   %rbx
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  movl   $0x1,0x10(%rsp)
  movb   $0x1,0xe(%rsp)
  movb   $0x0,0xf(%rsp)
  movl   $0x1,0x14(%rsp)
  lock addl $0x1,0x10(%rsp)
  lock subb $0x2,0xe(%rsp)
  lea    0x10(%rsp),%rbx
  mov    $0x3,%esi
  mov    %rbx,%rdi
  call   <__sync_fetch_and_min@plt>
  mov    $0x4,%esi
  mov    %rbx,%rdi
  mov    $0x0,%eax
  call   <__sync_fetch_and_max@plt>
  lea    0x14(%rsp),%rbx
  mov    $0x5,%esi
  mov    %rbx,%rdi
  mov    $0x0,%eax
  call   <__sync_fetch_and_umin@plt>
  mov    $0x6,%esi
  mov    %rbx,%rdi
  mov    $0x0,%eax
  call   <__sync_fetch_and_umax@plt>
  mov    $0x7,%eax
  xchg   %eax,0x10(%rsp)
  mov    $0x4,%edx
  mov    $0x7b8,%ecx
  mov    %edx,%eax
  lock cmpxchg %ecx,0x10(%rsp)
  mov    %edx,%eax
  lock cmpxchg %ecx,0x10(%rsp)
  lock andl $0x9,0x10(%rsp)
  lock orl $0xa,0x10(%rsp)
  lock xorl $0xb,0x10(%rsp)
  lock addl $0x1,0x10(%rsp)
  lock subl $0x2,0x10(%rsp)
  lock andb $0x3,0xe(%rsp)
  lock orb $0x4,0xe(%rsp)
  movzbl 0xe(%rsp),%eax
L1:
  mov    %eax,%edx
  xor    $0x5,%edx
  lock cmpxchg %dl,0xe(%rsp)
  jne    L1
  mov    $0x0,%eax
  lock cmpxchg %rax,0x0
  mov    $0x0,%eax
  mov    $0x1,%ecx
  lock cmpxchg %cl,0xf(%rsp)
  movsbl %dl,%edx
  test   %al,%al
  mov    $0x2a,%eax
  cmovne %eax,%edx
  mov    $0x0,%eax
  lock cmpxchg %rax,0x0
  movl   $0x0,0x10(%rsp)
  lock orq $0x0,(%rsp)
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L10
  mov    %edx,%eax
  add    $0x20,%rsp
  pop    %rbx
  ret
L10:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int atomic(void) {
  int old;
  int val = 1;
  char valc = 1;
  _Bool valb = 0;
  unsigned int uval = 1;
  int cmp = 0;
  old = __sync_fetch_and_add(&val, 1);
  old = __sync_fetch_and_sub(&valc, 2);
  old = __sync_fetch_and_min(&val, 3);
  old = __sync_fetch_and_max(&val, 4);
  old = __sync_fetch_and_umin(&uval, 5u);
  old = __sync_fetch_and_umax(&uval, 6u);
  old = __sync_lock_test_and_set(&val, 7);
  old = __sync_val_compare_and_swap(&val, 4, 1976);
  old = __sync_bool_compare_and_swap(&val, 4, 1976);
  old = __sync_fetch_and_and(&val, 0x9);
  old = __sync_fetch_and_or(&val, 0xa);
  old = __sync_fetch_and_xor(&val, 0xb);
  old = __sync_add_and_fetch(&val, 1);
  old = __sync_sub_and_fetch(&val, 2);
  old = __sync_and_and_fetch(&valc, 3);
  old = __sync_or_and_fetch(&valc, 4);
  old = __sync_xor_and_fetch(&valc, 5);
  __sync_val_compare_and_swap((void **)0, (void *)0, (void *)0);
  if (__sync_val_compare_and_swap(&valb, 0, 1)) {
    old = 42;
  }
  __sync_bool_compare_and_swap((void **)0, (void *)0, (void *)0);
  __sync_lock_release(&val);
  __sync_synchronize();
  return old;
}
```