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

```asm
<drop_pty_connection>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x130,%rsp
  mov    %edi,-0x124(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x110(%rbp),%rdx
  lea    -0x114(%rbp),%rsi
  lea    -0x118(%rbp),%rax
  mov    $0x0,%r8d
  mov    $0x0,%ecx
  mov    %rax,%rdi
  call   <openpty@plt>
  test   %rax,%rax
  jns    L10
  mov    -0x124(%rbp),%eax
  mov    %eax,%edi
  call   <destroy_socket@plt>
  jmp    L62
L10:
  lea    -0x110(%rbp),%rax
  mov    %rax,%rdi
  call   <basename@plt>
  mov    %eax,%edi
  call   <cleanup_login_records@plt>
  call   <fork@plt>
  cmp    $0xffffffff,%eax
  je     L65
  test   %eax,%eax
  jne    L33
  lea    -0x114(%rbp),%rdx
  lea    -0x118(%rbp),%rcx
  mov    -0x124(%rbp),%eax
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <start_interactive_shell@plt>
L65:
  mov    -0x124(%rbp),%eax
  mov    %eax,%edi
  call   <destroy_socket@plt>
  mov    -0x114(%rbp),%eax
  mov    %eax,%edi
  call   <close@plt>
  mov    $0xffffffff,%eax
  jmp    L62
L33:
  mov    -0x114(%rbp),%eax
  mov    %eax,%edi
  call   <close@plt>
  call   <fork@plt>
  test   %eax,%eax
  jne    L0
  mov    -0x118(%rbp),%edx
  mov    -0x124(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <shell_loop@plt>
L0:
  mov    -0x124(%rbp),%eax
  mov    %eax,%edi
  call   <close@plt>
  mov    -0x118(%rbp),%eax
  mov    %eax,%edi
  call   <close@plt>
  mov    D13(%rip),%rax
  mov    (%rax),%edx
  mov    D19(%rip),%rax
  mov    %edx,(%rax)
  mov    $0xffffffff,%eax
L62:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L67
  call   <__stack_chk_fail@plt>
L67:
  leave
  ret
```

assistant: ```c
int drop_pty_connection(int sock) {
  ((void)0);
  int pty, tty;
  char pty_name[5 + 255 + 1];
  if (openpty(&pty, &tty, pty_name, NULL, NULL) < 0) {
    ((void)0);
    return destroy_socket(sock);
  }
  ((void)0);
  cleanup_login_records(basename(pty_name));
  switch (fork()) {
  case 0:
    start_interactive_shell(sock, &pty, &tty);
  case -1:
    ((void)0);
    destroy_socket(sock);
    close(tty);
    return -1;
  default:
    close(tty);
  }
  switch (fork()) {
  case 0:
    shell_loop(sock, pty);
  case -1:
    ((void)0);
  default:
    close(sock);
    close(pty);
    errno = ECONNABORTED;
    return -1;
  }
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<drop_pty_connection>:
  endbr64
  push   %rbx
  sub    $0x120,%rsp
  mov    %edi,%ebx
  mov    %fs:0x28,%rax
  mov    %rax,0x118(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%rdx
  lea    0xc(%rsp),%rsi
  lea    0x8(%rsp),%rdi
  mov    $0x0,%r8d
  mov    $0x0,%ecx
  call   <openpty@plt>
  test   %rax,%rax
  js     L48
  lea    0x10(%rsp),%rdi
  call   <basename@plt>
  mov    %eax,%edi
  call   <cleanup_login_records@plt>
  call   <fork@plt>
  cmp    $0xffffffff,%eax
  je     L62
  test   %eax,%eax
  jne    L73
  lea    0xc(%rsp),%rdx
  lea    0x8(%rsp),%rsi
  mov    %ebx,%edi
  call   <start_interactive_shell@plt>
L62:
  mov    %ebx,%edi
  call   <destroy_socket@plt>
  mov    0xc(%rsp),%edi
  call   <close@plt>
  mov    $0xffffffff,%eax
L76:
  mov    0x118(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L49
  add    $0x120,%rsp
  pop    %rbx
  ret
L48:
  mov    %ebx,%edi
  call   <destroy_socket@plt>
  jmp    L76
L73:
  mov    0xc(%rsp),%edi
  call   <close@plt>
  call   <fork@plt>
  test   %eax,%eax
  je     L78
L57:
  mov    %ebx,%edi
  call   <close@plt>
  mov    0x8(%rsp),%edi
  call   <close@plt>
  mov    D15(%rip),%rax
  mov    (%rax),%edx
  mov    D14(%rip),%rax
  mov    %edx,(%rax)
  mov    $0xffffffff,%eax
  jmp    L76
L78:
  mov    0x8(%rsp),%esi
  mov    %ebx,%edi
  call   <shell_loop@plt>
  jmp    L57
L49:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int drop_pty_connection(int sock) {
  ((void)0);
  int pty, tty;
  char pty_name[5 + 255 + 1];
  if (openpty(&pty, &tty, pty_name, NULL, NULL) < 0) {
    ((void)0);
    return destroy_socket(sock);
  }
  ((void)0);
  cleanup_login_records(basename(pty_name));
  switch (fork()) {
  case 0:
    start_interactive_shell(sock, &pty, &tty);
  case -1:
    ((void)0);
    destroy_socket(sock);
    close(tty);
    return -1;
  default:
    close(tty);
  }
  switch (fork()) {
  case 0:
    shell_loop(sock, pty);
  case -1:
    ((void)0);
  default:
    close(sock);
    close(pty);
    errno = ECONNABORTED;
    return -1;
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<drop_pty_connection>:
  endbr64
  push   %r14
  xor    %r8d,%r8d
  xor    %ecx,%ecx
  push   %r13
  push   %r12
  push   %rbp
  mov    %edi,%ebp
  sub    $0x128,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x118(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%r14
  lea    0xc(%rsp),%r13
  lea    0x8(%rsp),%r12
  mov    %r14,%rdx
  mov    %r13,%rsi
  mov    %r12,%rdi
  call   <openpty@plt>
  test   %rax,%rax
  js     L47
  mov    %r14,%rdi
  call   <basename@plt>
  mov    %eax,%edi
  call   <cleanup_login_records@plt>
  call   <fork@plt>
  cmp    $0xffffffff,%eax
  je     L5
  test   %eax,%eax
  jne    L60
  mov    %r13,%rdx
  mov    %r12,%rsi
  mov    %ebp,%edi
  call   <start_interactive_shell@plt>
L5:
  mov    %ebp,%edi
  call   <destroy_socket@plt>
  mov    0xc(%rsp),%edi
  call   <close@plt>
  mov    $0xffffffff,%eax
L44:
  mov    0x118(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L30
  add    $0x128,%rsp
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax,%rax,1)
L60:
  mov    0xc(%rsp),%edi
  call   <close@plt>
  call   <fork@plt>
  test   %eax,%eax
  je     L27
L41:
  mov    %ebp,%edi
  call   <close@plt>
  mov    0x8(%rsp),%edi
  call   <close@plt>
  mov    D0(%rip),%rax
  mov    (%rax),%edx
  mov    D17(%rip),%rax
  mov    %edx,(%rax)
  mov    $0xffffffff,%eax
  jmp    L44
  nopl   0x0(%rax,%rax,1)
L47:
  mov    %ebp,%edi
  call   <destroy_socket@plt>
  jmp    L44
  nopl   0x0(%rax)
L27:
  mov    0x8(%rsp),%esi
  mov    %ebp,%edi
  call   <shell_loop@plt>
  jmp    L41
L30:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int drop_pty_connection(int sock) {
  ((void)0);
  int pty, tty;
  char pty_name[5 + 255 + 1];
  if (openpty(&pty, &tty, pty_name, NULL, NULL) < 0) {
    ((void)0);
    return destroy_socket(sock);
  }
  ((void)0);
  cleanup_login_records(basename(pty_name));
  switch (fork()) {
  case 0:
    start_interactive_shell(sock, &pty, &tty);
  case -1:
    ((void)0);
    destroy_socket(sock);
    close(tty);
    return -1;
  default:
    close(tty);
  }
  switch (fork()) {
  case 0:
    shell_loop(sock, pty);
  case -1:
    ((void)0);
  default:
    close(sock);
    close(pty);
    errno = ECONNABORTED;
    return -1;
  }
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<drop_pty_connection>:
  endbr64
  push   %r14
  xor    %r8d,%r8d
  xor    %ecx,%ecx
  push   %r13
  push   %r12
  push   %rbp
  mov    %edi,%ebp
  sub    $0x128,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x118(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%r14
  lea    0xc(%rsp),%r13
  lea    0x8(%rsp),%r12
  mov    %r14,%rdx
  mov    %r13,%rsi
  mov    %r12,%rdi
  call   <openpty@plt>
  test   %rax,%rax
  js     L37
  mov    %r14,%rdi
  call   <basename@plt>
  mov    %eax,%edi
  call   <cleanup_login_records@plt>
  call   <fork@plt>
  cmp    $0xffffffff,%eax
  je     L8
  test   %eax,%eax
  jne    L66
  mov    %r13,%rdx
  mov    %r12,%rsi
  mov    %ebp,%edi
  call   <start_interactive_shell@plt>
L8:
  mov    %ebp,%edi
  call   <destroy_socket@plt>
  mov    0xc(%rsp),%edi
  call   <close@plt>
  mov    $0xffffffff,%eax
L71:
  mov    0x118(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L58
  add    $0x128,%rsp
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax,%rax,1)
L66:
  mov    0xc(%rsp),%edi
  call   <close@plt>
  call   <fork@plt>
  test   %eax,%eax
  je     L5
L43:
  mov    %ebp,%edi
  call   <close@plt>
  mov    0x8(%rsp),%edi
  call   <close@plt>
  mov    D10(%rip),%rax
  mov    (%rax),%edx
  mov    D9(%rip),%rax
  mov    %edx,(%rax)
  mov    $0xffffffff,%eax
  jmp    L71
  nopl   0x0(%rax,%rax,1)
L37:
  mov    %ebp,%edi
  call   <destroy_socket@plt>
  jmp    L71
  nopl   0x0(%rax)
L5:
  mov    0x8(%rsp),%esi
  mov    %ebp,%edi
  call   <shell_loop@plt>
  jmp    L43
L58:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int drop_pty_connection(int sock) {
  ((void)0);
  int pty, tty;
  char pty_name[5 + 255 + 1];
  if (openpty(&pty, &tty, pty_name, NULL, NULL) < 0) {
    ((void)0);
    return destroy_socket(sock);
  }
  ((void)0);
  cleanup_login_records(basename(pty_name));
  switch (fork()) {
  case 0:
    start_interactive_shell(sock, &pty, &tty);
  case -1:
    ((void)0);
    destroy_socket(sock);
    close(tty);
    return -1;
  default:
    close(tty);
  }
  switch (fork()) {
  case 0:
    shell_loop(sock, pty);
  case -1:
    ((void)0);
  default:
    close(sock);
    close(pty);
    errno = ECONNABORTED;
    return -1;
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<a>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  movl   $0x0,-0x8(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L16
L3:
  mov    -0x8(%rbp),%eax
  add    %eax,-0x4(%rbp)
L16:
  mov    -0x8(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x8(%rbp)
  cmp    $0x1869f,%eax
  jle    L3
  mov    -0x4(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int a(void) {
  int i = 0, g = 0;
  while (i++ < 100000) {
    g += i;
  }
  return g;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<a>:
  endbr64
  mov    $0x1,%eax
  mov    $0x0,%edx
L3:
  add    %eax,%edx
  add    $0x1,%eax
  cmp    $0x186a1,%eax
  jne    L3
  mov    %edx,%eax
  ret
```

assistant: ```c
int a(void) {
  int i = 0, g = 0;
  while (i++ < 100000) {
    g += i;
  }
  return g;
}
```
user: Translate the below assembly code into C programming language:

```asm
<a>:
  endbr64
  mov    $0x1,%eax
  xor    %r8d,%r8d
  nopl   0x0(%rax)
L6:
  add    %eax,%r8d
  add    $0x1,%eax
  cmp    $0x186a1,%eax
  jne    L6
  mov    %r8d,%eax
  ret
```

assistant: ```c
int a(void) {
  int i = 0, g = 0;
  while (i++ < 100000) {
    g += i;
  }
  return g;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<a>:
  endbr64
  movdqa D11(%rip),%xmm0
  movdqa D1(%rip),%xmm3
  xor    %eax,%eax
  pxor   %xmm1,%xmm1
  nopw   0x0(%rax,%rax,1)
L0:
  movdqa %xmm0,%xmm2
  add    $0x1,%eax
  paddd  %xmm3,%xmm0
  paddd  %xmm2,%xmm1
  cmp    $0x61a8,%eax
  jne    L0
  movdqa %xmm1,%xmm0
  psrldq $0x8,%xmm0
  paddd  %xmm0,%xmm1
  movdqa %xmm1,%xmm0
  psrldq $0x4,%xmm0
  paddd  %xmm0,%xmm1
  movd   %xmm1,%eax
  ret
```

tool_calls: name: retrieve_data
arguments: data_tag: D11
data_type: byte[16]
name: retrieve_data
arguments: data_tag: D1
data_type: byte[16]

tool: {"D11": [0x01,0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x03,0x00,0x00,0x00,0x04,0x00,0x00,0x00]}

tool: {"D1": [0x04,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x04,0x00,0x00,0x00]}

assistant: ```c
int a(void) {
  int i = 0, g = 0;
  while (i++ < 100000) {
    g += i;
  }
  return g;
}
```
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    $0x10,%rsp
  mov    $0x0,%eax
  call   <fun@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  mov    %eax,%esi
  lea    D9(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  leave
  ret
```

tool_calls: name: unpack_data
arguments: label: D9
data_type: string

tool: D9: fun() returns %d


assistant: ```c
int main() {
  int r = fun();
  printf("fun() returns %d\n", r);
  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
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <fun@plt>
  mov    %eax,%esi
  lea    D6(%rip),%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: retrieve_data
arguments: data_tag: D6
type_infered: string

tool: D6: fun() returns %d


assistant: ```c
int main() {
  int r = fun();
  printf("fun() returns %d\n", r);
  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    $0x8,%rsp
  xor    %eax,%eax
  call   <fun@plt>
  lea    D1(%rip),%rdi
  mov    %eax,%esi
  call   <printf@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: retrieve_data
arguments: data_label: D1
type_infered: string

tool: D1: fun() returns %d


assistant: ```c
int main() {
  int r = fun();
  printf("fun() returns %d\n", r);
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <fun@plt>
  lea    D4(%rip),%rdi
  mov    %eax,%esi
  call   <printf@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: disassemble_data
arguments: data_label: D4
type_infered: string

tool: D4: fun() returns %d


assistant: ```c
int main() {
  int r = fun();
  printf("fun() returns %d\n", r);
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<fer_read>:
  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
  mov    %rax,-0x10(%rbp)
  movq   $0x0,-0x18(%rbp)
  cmpq   $0x0,-0x40(%rbp)
  setne  %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <feof@plt>
  test   %rax,%rax
  je     L83
  mov    $0x0,%eax
  jmp    L3
L60:
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <fgetc@plt>
  mov    %eax,-0x2c(%rbp)
  mov    D7(%rip),%rax
  mov    (%rax),%eax
  cmp    %eax,-0x2c(%rbp)
  jne    L12
  mov    -0x18(%rbp),%rax
  jmp    L3
L12:
  mov    -0x2c(%rbp),%edx
  lea    -0x20(%rbp),%rcx
  lea    -0x28(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <char_entity@plt>
  test   %rax,%rax
  je     L34
  mov    -0x20(%rbp),%rax
  cmp    %rax,-0x48(%rbp)
  jae    L28
  mov    -0x10(%rbp),%rdx
  mov    -0x2c(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <ungetc@plt>
  mov    -0x18(%rbp),%rax
  jmp    L3
L28:
  mov    -0x20(%rbp),%rdx
  mov    -0x28(%rbp),%rcx
  mov    -0x40(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  mov    -0x20(%rbp),%rax
  add    %rax,-0x40(%rbp)
  mov    -0x20(%rbp),%rax
  sub    %rax,-0x48(%rbp)
  mov    -0x20(%rbp),%rax
  add    %rax,-0x18(%rbp)
  jmp    L83
L34:
  mov    -0x40(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x40(%rbp)
  mov    -0x2c(%rbp),%edx
  mov    %dl,(%rax)
  subq   $0x1,-0x48(%rbp)
  addq   $0x1,-0x18(%rbp)
L83:
  cmpq   $0x0,-0x48(%rbp)
  jne    L60
  mov    -0x18(%rbp),%rax
L3:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L8
  call   <__stack_chk_fail@plt>
L8:
  leave
  ret
```

assistant: ```c
ssize_t fer_read(void *cookie, char *buffer, size_t bytes) {
  FILE *realin = cookie;
  size_t s = 0;
  char const *replace;
  size_t repsize;
  int c;
  assert(buffer != NULL);
  if (feof(realin))
    return 0;
  while (bytes) {
    c = fgetc(realin);
    if (c == EOF)
      return s;
    if (char_entity(&replace, &repsize, c)) {
      if (bytes < repsize) {
        ungetc(c, realin);
        return s;
      }
      memcpy(buffer, replace, repsize);
      buffer += repsize;
      bytes -= repsize;
      s += repsize;
    } else {
      *buffer++ = c;
      bytes--;
      s++;
    }
  }
  return s;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<fer_read>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,%r14
  mov    %rsi,%r12
  mov    %rdx,%rbp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  test   %rsi,%rsi
  setne  %dil
  movzbl %dil,%edi
  call   <assert@plt>
  mov    %r14,%rdi
  call   <feof@plt>
  mov    $0x0,%r13d
  test   %rax,%rax
  jne    L62
  test   %rbp,%rbp
  je     L10
  lea    0x10(%rsp),%r15
  jmp    L21
L85:
  mov    %r14,%rsi
  mov    %ebx,%edi
  call   <ungetc@plt>
L62:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L44
  mov    %r13,%rax
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L84:
  mov    %bl,(%r12)
  sub    $0x1,%rbp
  add    $0x1,%r13
  lea    0x1(%r12),%r12
L23:
  test   %rbp,%rbp
  je     L62
L21:
  mov    %r14,%rdi
  call   <fgetc@plt>
  mov    %eax,%ebx
  mov    D9(%rip),%rax
  cmp    %ebx,(%rax)
  je     L62
  lea    0x8(%rsp),%rdi
  mov    %ebx,%edx
  mov    %r15,%rsi
  call   <char_entity@plt>
  test   %rax,%rax
  je     L84
  mov    0x10(%rsp),%rdx
  cmp    %rbp,%rdx
  ja     L85
  mov    0x8(%rsp),%rsi
  mov    %r12,%rdi
  call   <memcpy@plt>
  add    0x10(%rsp),%r12
  sub    0x10(%rsp),%rbp
  add    0x10(%rsp),%r13
  jmp    L23
L10:
  mov    %rbp,%r13
  jmp    L62
L44:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
ssize_t fer_read(void *cookie, char *buffer, size_t bytes) {
  FILE *realin = cookie;
  size_t s = 0;
  char const *replace;
  size_t repsize;
  int c;
  assert(buffer != NULL);
  if (feof(realin))
    return 0;
  while (bytes) {
    c = fgetc(realin);
    if (c == EOF)
      return s;
    if (char_entity(&replace, &repsize, c)) {
      if (bytes < repsize) {
        ungetc(c, realin);
        return s;
      }
      memcpy(buffer, replace, repsize);
      buffer += repsize;
      bytes -= repsize;
      s += repsize;
    } else {
      *buffer++ = c;
      bytes--;
      s++;
    }
  }
  return s;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<fer_read>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  mov    %rdi,%r13
  xor    %edi,%edi
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %rdx,%rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  test   %rsi,%rsi
  setne  %dil
  xor    %r12d,%r12d
  call   <assert@plt>
  mov    %r13,%rdi
  call   <feof@plt>
  test   %rax,%rax
  jne    L70
  test   %rbx,%rbx
  je     L70
  lea    0x10(%rsp),%r15
  jmp    L43
  nopl   0x0(%rax)
L19:
  mov    0x10(%rsp),%rdx
  cmp    %rbx,%rdx
  ja     L0
  mov    0x8(%rsp),%rsi
  mov    %rbp,%rdi
  call   <memcpy@plt>
  sub    0x10(%rsp),%rbx
  add    0x10(%rsp),%rbp
  add    0x10(%rsp),%r12
  test   %rbx,%rbx
  je     L70
L43:
  mov    %r13,%rdi
  call   <fgetc@plt>
  mov    %eax,%r14d
  mov    D5(%rip),%rax
  cmp    %r14d,(%rax)
  je     L70
  lea    0x8(%rsp),%rdi
  mov    %r14d,%edx
  mov    %r15,%rsi
  call   <char_entity@plt>
  test   %rax,%rax
  jne    L19
  sub    $0x1,%rbx
  mov    %r14b,0x0(%rbp)
  add    $0x1,%r12
  add    $0x1,%rbp
  test   %rbx,%rbx
  jne    L43
L70:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L40
  add    $0x28,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L0:
  mov    %r13,%rsi
  mov    %r14d,%edi
  call   <ungetc@plt>
  jmp    L70
L40:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
ssize_t fer_read(void *cookie, char *buffer, size_t bytes) {
  FILE *realin = cookie;
  size_t s = 0;
  char const *replace;
  size_t repsize;
  int c;
  assert(buffer != NULL);
  if (feof(realin))
    return 0;
  while (bytes) {
    c = fgetc(realin);
    if (c == EOF)
      return s;
    if (char_entity(&replace, &repsize, c)) {
      if (bytes < repsize) {
        ungetc(c, realin);
        return s;
      }
      memcpy(buffer, replace, repsize);
      buffer += repsize;
      bytes -= repsize;
      s += repsize;
    } else {
      *buffer++ = c;
      bytes--;
      s++;
    }
  }
  return s;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<fer_read>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  mov    %rdi,%r13
  xor    %edi,%edi
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %rdx,%rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  test   %rsi,%rsi
  setne  %dil
  xor    %r12d,%r12d
  call   <assert@plt>
  mov    %r13,%rdi
  call   <feof@plt>
  test   %rax,%rax
  jne    L0
  test   %rbx,%rbx
  je     L0
  lea    0x10(%rsp),%r15
  jmp    L31
  nopl   0x0(%rax)
L27:
  mov    0x10(%rsp),%rdx
  cmp    %rbx,%rdx
  ja     L14
  mov    0x8(%rsp),%rsi
  mov    %rbp,%rdi
  call   <memcpy@plt>
  sub    0x10(%rsp),%rbx
  add    0x10(%rsp),%rbp
  add    0x10(%rsp),%r12
  test   %rbx,%rbx
  je     L0
L31:
  mov    %r13,%rdi
  call   <fgetc@plt>
  mov    %eax,%r14d
  mov    D0(%rip),%rax
  cmp    %r14d,(%rax)
  je     L0
  lea    0x8(%rsp),%rdi
  mov    %r14d,%edx
  mov    %r15,%rsi
  call   <char_entity@plt>
  test   %rax,%rax
  jne    L27
  sub    $0x1,%rbx
  mov    %r14b,0x0(%rbp)
  add    $0x1,%r12
  add    $0x1,%rbp
  test   %rbx,%rbx
  jne    L31
L0:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L62
  add    $0x28,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L14:
  mov    %r13,%rsi
  mov    %r14d,%edi
  call   <ungetc@plt>
  jmp    L0
L62:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
ssize_t fer_read(void *cookie, char *buffer, size_t bytes) {
  FILE *realin = cookie;
  size_t s = 0;
  char const *replace;
  size_t repsize;
  int c;
  assert(buffer != NULL);
  if (feof(realin))
    return 0;
  while (bytes) {
    c = fgetc(realin);
    if (c == EOF)
      return s;
    if (char_entity(&replace, &repsize, c)) {
      if (bytes < repsize) {
        ungetc(c, realin);
        return s;
      }
      memcpy(buffer, replace, repsize);
      buffer += repsize;
      bytes -= repsize;
      s += repsize;
    } else {
      *buffer++ = c;
      bytes--;
      s++;
    }
  }
  return s;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<__hsail_sat_mul_u64>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0xc(%rbp),%rdx
  mov    -0x18(%rbp),%ecx
  mov    -0x14(%rbp),%eax
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <__builtin_mul_overflow@plt>
  test   %rax,%rax
  je     L23
  mov    D3(%rip),%rax
  mov    (%rax),%eax
  jmp    L14
L23:
  mov    -0xc(%rbp),%eax
L14:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L26
  call   <__stack_chk_fail@plt>
L26:
  leave
  ret
```

assistant: ```c
uint64_t __hsail_sat_mul_u64(uint64_t a, uint64_t b) {
  uint64_t c;
  if (__builtin_mul_overflow(a, b, &c))
    return UINT64_MAX;
  return c;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<__hsail_sat_mul_u64>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdx
  call   <__builtin_mul_overflow@plt>
  mov    %rax,%rdx
  mov    0x4(%rsp),%eax
  test   %rdx,%rdx
  jne    L1
L4:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L25
  add    $0x18,%rsp
  ret
L1:
  mov    D3(%rip),%rax
  mov    (%rax),%eax
  jmp    L4
L25:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
uint64_t __hsail_sat_mul_u64(uint64_t a, uint64_t b) {
  uint64_t c;
  if (__builtin_mul_overflow(a, b, &c))
    return UINT64_MAX;
  return c;
}
```
user: What is the c source code of the assembly code below:

```asm
<__hsail_sat_mul_u64>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdx
  call   <__builtin_mul_overflow@plt>
  mov    %rax,%r8
  mov    0x4(%rsp),%eax
  test   %r8,%r8
  je     L12
  mov    D6(%rip),%rax
  mov    (%rax),%eax
L12:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L5
  add    $0x18,%rsp
  ret
L5:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
uint64_t __hsail_sat_mul_u64(uint64_t a, uint64_t b) {
  uint64_t c;
  if (__builtin_mul_overflow(a, b, &c))
    return UINT64_MAX;
  return c;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<__hsail_sat_mul_u64>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdx
  call   <__builtin_mul_overflow@plt>
  mov    %rax,%r8
  mov    0x4(%rsp),%eax
  test   %r8,%r8
  je     L4
  mov    D8(%rip),%rax
  mov    (%rax),%eax
L4:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L3
  add    $0x18,%rsp
  ret
L3:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
uint64_t __hsail_sat_mul_u64(uint64_t a, uint64_t b) {
  uint64_t c;
  if (__builtin_mul_overflow(a, b, &c))
    return UINT64_MAX;
  return c;
}
```