ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Demonstrate the C code that generates the assembly output below:

```asm
<setup_serial>:
  endbr64
  push   %r12
  mov    $0x10,%edx
  xor    %esi,%esi
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r12
  mov    %r12,%rdi
  call   <memset@plt>
  mov    %r12,%rsi
  mov    %ebp,%edi
  call   <tcgetattr@plt>
  mov    D43(%rip),%rbx
  mov    %r12,%rdi
  mov    (%rbx),%esi
  call   <cfsetospeed@plt>
  mov    (%rbx),%esi
  mov    %r12,%rdi
  call   <cfsetispeed@plt>
  mov    D73(%rip),%rdx
  mov    D196(%rip),%rax
  mov    %ebp,%edi
  mov    D35(%rip),%rcx
  mov    (%rax),%eax
  or     (%rdx),%eax
  mov    D22(%rip),%rdx
  or     (%rdx),%eax
  mov    D178(%rip),%rdx
  or     (%rdx),%eax
  mov    D67(%rip),%rdx
  or     (%rdx),%eax
  mov    D12(%rip),%rdx
  or     (%rdx),%eax
  mov    D139(%rip),%rdx
  or     (%rdx),%eax
  mov    D34(%rip),%rdx
  or     (%rdx),%eax
  mov    D56(%rip),%rdx
  not    %eax
  and    (%rsp),%eax
  movd   %eax,%xmm0
  mov    D36(%rip),%rax
  mov    (%rax),%eax
  or     (%rdx),%eax
  mov    D0(%rip),%rdx
  or     (%rdx),%eax
  mov    D90(%rip),%rdx
  or     (%rdx),%eax
  mov    D103(%rip),%rdx
  or     (%rdx),%eax
  mov    D113(%rip),%rdx
  not    %eax
  and    0x4(%rsp),%eax
  mov    (%rdx),%edx
  or     (%rcx),%edx
  movd   %eax,%xmm3
  not    %edx
  and    0x8(%rsp),%edx
  mov    D109(%rip),%rcx
  punpckldq %xmm3,%xmm0
  mov    D87(%rip),%rax
  or     (%rcx),%edx
  mov    D199(%rip),%rcx
  movd   %edx,%xmm1
  mov    (%rax),%esi
  mov    %r12,%rdx
  mov    (%rcx),%ecx
  not    %ecx
  and    0xc(%rsp),%ecx
  movd   %ecx,%xmm2
  punpckldq %xmm2,%xmm1
  punpcklqdq %xmm1,%xmm0
  movaps %xmm0,(%rsp)
  call   <tcsetattr@plt>
  mov    %ebp,%edi
  mov    %eax,%r12d
  mov    D130(%rip),%rax
  mov    (%rax),%esi
  call   <tcflush@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L7
  add    $0x20,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L7:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int setup_serial(int fd) {
  int ret = 0;
  struct termios tty;
  memset(&tty, 0, sizeof tty);
  tcgetattr(fd, &tty);
  cfsetospeed(&tty, B115200);
  cfsetispeed(&tty, B115200);
  tty.c_iflag &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL | IXON);
  tty.c_oflag &= ~OPOST;
  tty.c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN);
  tty.c_cflag &= ~(CSIZE | PARENB);
  tty.c_cflag |= CS8;
  ret = tcsetattr(fd, TCSANOW, &tty);
  tcflush(fd, TCIOFLUSH);
  return ret;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<shl_reg64_imm8>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  mov    %esi,%eax
  mov    %al,-0x8(%rbp)
  mov    $0x48,%edi
  call   <put8@plt>
  mov    $0xc1,%edi
  call   <put8@plt>
  mov    -0x4(%rbp),%eax
  sub    $0x20,%eax
  movzbl %al,%eax
  mov    %eax,%edi
  call   <put8@plt>
  movzbl -0x8(%rbp),%eax
  mov    %eax,%edi
  call   <put8@plt>
  nop
  leave
  ret
```

assistant: ```c
void shl_reg64_imm8(unsigned int reg64, unsigned char imm8) {
  put8(0x48);
  put8(0xC1);
  put8(0xE0 + reg64);
  put8(imm8);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<shl_reg64_imm8>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edi,%ebx
  mov    %esi,%ebp
  mov    $0x48,%edi
  call   <put8@plt>
  mov    $0xc1,%edi
  call   <put8@plt>
  lea    -0x20(%rbx),%edi
  movzbl %dil,%edi
  call   <put8@plt>
  movzbl %bpl,%edi
  call   <put8@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void shl_reg64_imm8(unsigned int reg64, unsigned char imm8) {
  put8(0x48);
  put8(0xC1);
  put8(0xE0 + reg64);
  put8(imm8);
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<shl_reg64_imm8>:
  endbr64
  push   %rbp
  mov    %esi,%ebp
  push   %rbx
  mov    %edi,%ebx
  mov    $0x48,%edi
  sub    $0x8,%rsp
  call   <put8@plt>
  mov    $0xc1,%edi
  call   <put8@plt>
  lea    -0x20(%rbx),%edi
  movzbl %dil,%edi
  call   <put8@plt>
  add    $0x8,%rsp
  movzbl %bpl,%edi
  pop    %rbx
  pop    %rbp
  jmp    1050 <put8@plt>
```

assistant: ```c
void shl_reg64_imm8(unsigned int reg64, unsigned char imm8) {
  put8(0x48);
  put8(0xC1);
  put8(0xE0 + reg64);
  put8(imm8);
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<shl_reg64_imm8>:
  endbr64
  push   %rbp
  mov    %esi,%ebp
  push   %rbx
  mov    %edi,%ebx
  mov    $0x48,%edi
  sub    $0x8,%rsp
  call   <put8@plt>
  mov    $0xc1,%edi
  call   <put8@plt>
  lea    -0x20(%rbx),%edi
  movzbl %dil,%edi
  call   <put8@plt>
  add    $0x8,%rsp
  movzbl %bpl,%edi
  pop    %rbx
  pop    %rbp
  jmp    1050 <put8@plt>
```

assistant: ```c
void shl_reg64_imm8(unsigned int reg64, unsigned char imm8) {
  put8(0x48);
  put8(0xC1);
  put8(0xE0 + reg64);
  put8(imm8);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<hexval>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x4(%rbp)
  cmpl   $0x2f,-0x4(%rbp)
  jle    L52
  cmpl   $0x39,-0x4(%rbp)
  jg     L52
  mov    -0x4(%rbp),%eax
  sub    $0x30,%eax
  jmp    L6
L52:
  cmpl   $0x40,-0x4(%rbp)
  jle    L21
  cmpl   $0x46,-0x4(%rbp)
  jg     L21
  mov    -0x4(%rbp),%eax
  sub    $0x37,%eax
  jmp    L6
L21:
  cmpl   $0x60,-0x4(%rbp)
  jle    L18
  cmpl   $0x66,-0x4(%rbp)
  jg     L18
  mov    -0x4(%rbp),%eax
  sub    $0x57,%eax
  jmp    L6
L18:
  mov    $0xffffffff,%eax
L6:
  pop    %rbp
  ret
```

assistant: ```c
int hexval(int c) {
  if (c >= '0' && c <= '9')
    return (c - '0');
  if (c >= 'A' && c <= 'F')
    return (c - 'A' + 10);
  if (c >= 'a' && c <= 'f')
    return (c - 'a' + 10);
  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
<hexval>:
  endbr64
  lea    -0x30(%rdi),%eax
  cmp    $0x9,%eax
  jbe    L7
  lea    -0x41(%rdi),%eax
  cmp    $0x5,%eax
  jbe    L3
  lea    -0x61(%rdi),%eax
  sub    $0x57,%edi
  cmp    $0x6,%eax
  mov    $0xffffffff,%eax
  cmovb  %edi,%eax
L7:
  ret
L3:
  lea    -0x37(%rdi),%eax
  ret
```

assistant: ```c
int hexval(int c) {
  if (c >= '0' && c <= '9')
    return (c - '0');
  if (c >= 'A' && c <= 'F')
    return (c - 'A' + 10);
  if (c >= 'a' && c <= 'f')
    return (c - 'a' + 10);
  return (-1);
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<hexval>:
  endbr64
  lea    -0x30(%rdi),%eax
  cmp    $0x9,%eax
  jbe    L14
  lea    -0x41(%rdi),%eax
  cmp    $0x5,%eax
  jbe    L13
  lea    -0x61(%rdi),%eax
  sub    $0x57,%edi
  cmp    $0x6,%eax
  mov    $0xffffffff,%eax
  cmovb  %edi,%eax
L14:
  ret
  cs nopw 0x0(%rax,%rax,1)
L13:
  lea    -0x37(%rdi),%eax
  ret
```

assistant: ```c
int hexval(int c) {
  if (c >= '0' && c <= '9')
    return (c - '0');
  if (c >= 'A' && c <= 'F')
    return (c - 'A' + 10);
  if (c >= 'a' && c <= 'f')
    return (c - 'a' + 10);
  return (-1);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<hexval>:
  endbr64
  lea    -0x30(%rdi),%eax
  cmp    $0x9,%eax
  jbe    L13
  lea    -0x41(%rdi),%eax
  cmp    $0x5,%eax
  jbe    L5
  lea    -0x61(%rdi),%eax
  sub    $0x57,%edi
  cmp    $0x6,%eax
  mov    $0xffffffff,%eax
  cmovb  %edi,%eax
L13:
  ret
  cs nopw 0x0(%rax,%rax,1)
L5:
  lea    -0x37(%rdi),%eax
  ret
```

assistant: ```c
int hexval(int c) {
  if (c >= '0' && c <= '9')
    return (c - '0');
  if (c >= 'A' && c <= 'F')
    return (c - 'A' + 10);
  if (c >= 'a' && c <= 'f')
    return (c - 'a' + 10);
  return (-1);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<get_line>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,-0x24(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %edx,-0x28(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0x10(%rbp)
  movb   $0x0,-0x11(%rbp)
  jmp    L47
L25:
  lea    -0x11(%rbp),%rsi
  mov    -0x24(%rbp),%eax
  mov    $0x0,%ecx
  mov    $0x1,%edx
  mov    %eax,%edi
  call   <recv@plt>
  mov    %eax,-0xc(%rbp)
  cmpl   $0x0,-0xc(%rbp)
  jle    L31
  movzbl -0x11(%rbp),%eax
  cmp    $0xd,%al
  jne    L33
  mov    D4(%rip),%rax
  mov    (%rax),%edx
  lea    -0x11(%rbp),%rsi
  mov    -0x24(%rbp),%eax
  mov    %edx,%ecx
  mov    $0x1,%edx
  mov    %eax,%edi
  call   <recv@plt>
  mov    %eax,-0xc(%rbp)
  cmpl   $0x0,-0xc(%rbp)
  jle    L71
  movzbl -0x11(%rbp),%eax
  cmp    $0xa,%al
  jne    L71
  lea    -0x11(%rbp),%rsi
  mov    -0x24(%rbp),%eax
  mov    $0x0,%ecx
  mov    $0x1,%edx
  mov    %eax,%edi
  call   <recv@plt>
  jmp    L33
L71:
  movb   $0xa,-0x11(%rbp)
L33:
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x30(%rbp),%rax
  add    %rax,%rdx
  movzbl -0x11(%rbp),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0x10(%rbp)
  jmp    L47
L31:
  movb   $0xa,-0x11(%rbp)
L47:
  mov    -0x28(%rbp),%eax
  sub    $0x1,%eax
  cmp    %eax,-0x10(%rbp)
  jge    L87
  movzbl -0x11(%rbp),%eax
  cmp    $0xa,%al
  jne    L25
L87:
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x10(%rbp),%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L38
  call   <__stack_chk_fail@plt>
L38:
  leave
  ret
```

assistant: ```c
int32_t get_line(int32_t sock, char *buf, int32_t size) {
  int32_t i = 0;
  char c = '\0';
  int32_t n;
  while ((i < size - 1) && (c != '\n')) {
    n = recv(sock, &c, 1, 0);
    if (n > 0) {
      if (c == '\r') {
        n = recv(sock, &c, 1, MSG_PEEK);
        if ((n > 0) && (c == '\n')) {
          recv(sock, &c, 1, 0);
        } else {
          c = '\n';
        }
      }
      buf[i] = c;
      i++;
    } else {
      c = '\n';
    }
  }
  buf[i] = '\0';
  return (i);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<get_line>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x10,%rsp
  mov    %rsi,%r13
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  movb   $0x0,0x7(%rsp)
  lea    -0x1(%rdx),%r14d
  test   %r14d,%r14d
  jle    L87
  mov    %edi,%ebp
  mov    $0x0,%ebx
  lea    0x7(%rsp),%r12
  jmp    L64
L12:
  movb   $0xa,0x7(%rsp)
L39:
  movslq %ebx,%rax
  movzbl 0x7(%rsp),%edx
  mov    %dl,0x0(%r13,%rax,1)
  add    $0x1,%ebx
  cmp    %r14d,%ebx
  jge    L94
  cmp    $0xa,%dl
  je     L94
L64:
  mov    $0x0,%ecx
  mov    $0x1,%edx
  mov    %r12,%rsi
  mov    %ebp,%edi
  call   <recv@plt>
  test   %eax,%eax
  jle    L94
  cmpb   $0xd,0x7(%rsp)
  jne    L39
  mov    D2(%rip),%rax
  mov    (%rax),%ecx
  mov    $0x1,%edx
  mov    %r12,%rsi
  mov    %ebp,%edi
  call   <recv@plt>
  test   %eax,%eax
  jle    L12
  cmpb   $0xa,0x7(%rsp)
  jne    L12
  mov    $0x0,%ecx
  mov    $0x1,%edx
  mov    %r12,%rsi
  mov    %ebp,%edi
  call   <recv@plt>
  jmp    L39
L87:
  mov    $0x0,%ebx
L94:
  movslq %ebx,%rax
  movb   $0x0,0x0(%r13,%rax,1)
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L20
  mov    %ebx,%eax
  add    $0x10,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L20:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int32_t get_line(int32_t sock, char *buf, int32_t size) {
  int32_t i = 0;
  char c = '\0';
  int32_t n;
  while ((i < size - 1) && (c != '\n')) {
    n = recv(sock, &c, 1, 0);
    if (n > 0) {
      if (c == '\r') {
        n = recv(sock, &c, 1, MSG_PEEK);
        if ((n > 0) && (c == '\n')) {
          recv(sock, &c, 1, 0);
        } else {
          c = '\n';
        }
      }
      buf[i] = c;
      i++;
    } else {
      c = '\n';
    }
  }
  buf[i] = '\0';
  return (i);
}
```
user: What is the c source code of the assembly code below?

```asm
<get_line>:
  endbr64
  push   %r14
  push   %r13
  mov    %rsi,%r13
  push   %r12
  push   %rbp
  lea    -0x1(%rdx),%ebp
  push   %rbx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  movb   $0x0,0x7(%rsp)
  test   %ebp,%ebp
  jle    L103
  mov    %edi,%ebx
  xor    %r12d,%r12d
  lea    0x7(%rsp),%r14
  jmp    L32
  nop
L97:
  movzbl 0x7(%rsp),%eax
  cmp    $0xd,%al
  je     L36
L95:
  movslq %r12d,%rdx
  add    $0x1,%r12d
  mov    %al,0x0(%r13,%rdx,1)
  cmp    %ebp,%r12d
  jge    L18
  cmpb   $0xa,0x7(%rsp)
  je     L18
L32:
  xor    %ecx,%ecx
  mov    $0x1,%edx
  mov    %r14,%rsi
  mov    %ebx,%edi
  call   <recv@plt>
  test   %eax,%eax
  jg     L97
L18:
  movslq %r12d,%rax
  add    %rax,%r13
L7:
  movb   $0x0,0x0(%r13)
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L80
  add    $0x10,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax)
L36:
  mov    D2(%rip),%rax
  mov    $0x1,%edx
  mov    %r14,%rsi
  mov    %ebx,%edi
  mov    (%rax),%ecx
  call   <recv@plt>
  test   %eax,%eax
  jle    L79
  cmpb   $0xa,0x7(%rsp)
  je     L71
L79:
  movb   $0xa,0x7(%rsp)
  mov    $0xa,%eax
  jmp    L95
  nopw   0x0(%rax,%rax,1)
L71:
  xor    %ecx,%ecx
  mov    $0x1,%edx
  mov    %r14,%rsi
  mov    %ebx,%edi
  call   <recv@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L95
L103:
  xor    %r12d,%r12d
  jmp    L7
L80:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int32_t get_line(int32_t sock, char *buf, int32_t size) {
  int32_t i = 0;
  char c = '\0';
  int32_t n;
  while ((i < size - 1) && (c != '\n')) {
    n = recv(sock, &c, 1, 0);
    if (n > 0) {
      if (c == '\r') {
        n = recv(sock, &c, 1, MSG_PEEK);
        if ((n > 0) && (c == '\n')) {
          recv(sock, &c, 1, 0);
        } else {
          c = '\n';
        }
      }
      buf[i] = c;
      i++;
    } else {
      c = '\n';
    }
  }
  buf[i] = '\0';
  return (i);
}
```
user: Translate the below assembly code into C programming language:

```asm
<get_line>:
  endbr64
  push   %r14
  push   %r13
  mov    %rsi,%r13
  push   %r12
  push   %rbp
  lea    -0x1(%rdx),%ebp
  push   %rbx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  movb   $0x0,0x7(%rsp)
  test   %ebp,%ebp
  jle    L32
  mov    %edi,%ebx
  xor    %r12d,%r12d
  lea    0x7(%rsp),%r14
  nopl   (%rax)
L104:
  xor    %ecx,%ecx
  mov    $0x1,%edx
  mov    %r14,%rsi
  mov    %ebx,%edi
  call   <recv@plt>
  test   %eax,%eax
  jle    L35
  movzbl 0x7(%rsp),%eax
  cmp    $0xd,%al
  je     L29
L13:
  movslq %r12d,%rdx
  add    $0x1,%r12d
  mov    %al,0x0(%r13,%rdx,1)
  cmp    %ebp,%r12d
  jge    L35
  cmp    $0xa,%al
  jne    L104
  nopl   0x0(%rax,%rax,1)
L35:
  movslq %r12d,%rax
  add    %rax,%r13
L84:
  movb   $0x0,0x0(%r13)
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L14
  add    $0x10,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax,%rax,1)
L29:
  mov    D8(%rip),%rax
  mov    $0x1,%edx
  mov    %r14,%rsi
  mov    %ebx,%edi
  mov    (%rax),%ecx
  call   <recv@plt>
  test   %eax,%eax
  jle    L10
  cmpb   $0xa,0x7(%rsp)
  je     L72
L10:
  movslq %r12d,%rax
  add    $0x1,%r12d
  movb   $0xa,0x0(%r13,%rax,1)
  jmp    L35
  nopw   0x0(%rax,%rax,1)
L72:
  xor    %ecx,%ecx
  mov    $0x1,%edx
  mov    %r14,%rsi
  mov    %ebx,%edi
  call   <recv@plt>
  movzbl 0x7(%rsp),%eax
  jmp    L13
L32:
  xor    %r12d,%r12d
  jmp    L84
L14:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int32_t get_line(int32_t sock, char *buf, int32_t size) {
  int32_t i = 0;
  char c = '\0';
  int32_t n;
  while ((i < size - 1) && (c != '\n')) {
    n = recv(sock, &c, 1, 0);
    if (n > 0) {
      if (c == '\r') {
        n = recv(sock, &c, 1, MSG_PEEK);
        if ((n > 0) && (c == '\n')) {
          recv(sock, &c, 1, 0);
        } else {
          c = '\n';
        }
      }
      buf[i] = c;
      i++;
    } else {
      c = '\n';
    }
  }
  buf[i] = '\0';
  return (i);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<print_u64_dec>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %edi,-0x34(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x34(%rbp),%edx
  lea    -0x20(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <fmt_u64_dec@plt>
  mov    %rax,-0x28(%rbp)
  mov    -0x28(%rbp),%rdx
  lea    -0x20(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <print@plt>
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L6
  call   <__stack_chk_fail@plt>
L6:
  leave
  ret
```

assistant: ```c
void print_u64_dec(uint64_t val) {
  char buf[20];
  size_t len = fmt_u64_dec(buf, val);
  print(buf, len);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<print_u64_dec>:
  endbr64
  push   %rbx
  sub    $0x20,%rsp
  mov    %edi,%esi
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbx
  mov    %rbx,%rdi
  call   <fmt_u64_dec@plt>
  mov    %rax,%rsi
  mov    %rbx,%rdi
  call   <print@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L1
  add    $0x20,%rsp
  pop    %rbx
  ret
L1:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void print_u64_dec(uint64_t val) {
  char buf[20];
  size_t len = fmt_u64_dec(buf, val);
  print(buf, len);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<print_u64_dec>:
  endbr64
  push   %rbp
  mov    %edi,%esi
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbp
  mov    %rbp,%rdi
  call   <fmt_u64_dec@plt>
  mov    %rbp,%rdi
  mov    %rax,%rsi
  call   <print@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L0
  add    $0x20,%rsp
  pop    %rbp
  ret
L0:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void print_u64_dec(uint64_t val) {
  char buf[20];
  size_t len = fmt_u64_dec(buf, val);
  print(buf, len);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<print_u64_dec>:
  endbr64
  push   %rbp
  mov    %edi,%esi
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbp
  mov    %rbp,%rdi
  call   <fmt_u64_dec@plt>
  mov    %rbp,%rdi
  mov    %rax,%rsi
  call   <print@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  add    $0x20,%rsp
  pop    %rbp
  ret
L8:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void print_u64_dec(uint64_t val) {
  char buf[20];
  size_t len = fmt_u64_dec(buf, val);
  print(buf, len);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x20(%rbp),%rdx
  lea    -0x24(%rbp),%rax
  mov    %rax,%rsi
  lea    D19(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  movl   $0x0,-0x1c(%rbp)
  movl   $0x0,-0x18(%rbp)
  jmp    L2
L40:
  shll   -0x1c(%rbp)
  addl   $0x1,-0x1c(%rbp)
  addl   $0x1,-0x18(%rbp)
L2:
  mov    -0x24(%rbp),%eax
  cmp    %eax,-0x18(%rbp)
  jl     L40
  mov    -0x1c(%rbp),%eax
  shr    %eax
  xor    -0x1c(%rbp),%eax
  mov    %eax,-0x10(%rbp)
  movl   $0x0,-0x14(%rbp)
  jmp    L52
L35:
  mov    -0x14(%rbp),%eax
  and    -0x10(%rbp),%eax
  test   %eax,%eax
  je     L4
  mov    -0x14(%rbp),%eax
  neg    %eax
  and    -0x1c(%rbp),%eax
  neg    %eax
  jmp    L24
L4:
  mov    -0x14(%rbp),%eax
L24:
  mov    %eax,-0xc(%rbp)
  mov    -0x20(%rbp),%r8d
  mov    -0x20(%rbp),%ecx
  mov    -0x20(%rbp),%eax
  mov    -0x14(%rbp),%edi
  mov    -0x14(%rbp),%edx
  sub    $0x8,%rsp
  mov    -0xc(%rbp),%esi
  push   %rsi
  mov    %r8d,%r9d
  mov    %edi,%r8d
  mov    %eax,%esi
  lea    D15(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  add    $0x10,%rsp
  addl   $0x1,-0x14(%rbp)
L52:
  mov    -0x14(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jbe    L35
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L44
  call   <__stack_chk_fail@plt>
L44:
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D19
datatype: string
name: disassemble_data
arguments: data_tag: D15
datatype: string

tool: D19: %d%d

tool: D15: |%*d|%*x|%*d|


assistant: ```c
int main(void) {
  int n, w;
  scanf("%d%d", &n, &w);
  unsigned max = 0;
  for (int i = 0; i < n; i++) {
    max <<= 1;
    max += 1;
  }
  unsigned mask = max ^ (max >> 1);
  for (unsigned i = 0; i <= max; i++) {
    int s = (i & mask) ? -(~(i - 1) & max) : i;
    printf("|%*d|%*x|%*d|\n", w, i, w, i, w, s);
  }
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<main>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdx
  mov    %rsp,%rsi
  lea    D0(%rip),%rdi
  call   <scanf@plt>
  mov    (%rsp),%edx
  test   %edx,%edx
  jle    L75
  mov    $0x0,%eax
  mov    $0x0,%ebp
L74:
  lea    0x1(%rbp,%rbp,1),%ebp
  add    $0x1,%eax
  cmp    %edx,%eax
  jne    L74
L39:
  mov    %ebp,%r12d
  shr    %r12d
  xor    %ebp,%r12d
  mov    $0x0,%ebx
  lea    D14(%rip),%r13
  jmp    L31
L75:
  mov    $0x0,%ebp
  jmp    L39
L19:
  mov    0x4(%rsp),%esi
  sub    $0x8,%rsp
  push   %rax
  mov    %esi,%r9d
  mov    %ebx,%r8d
  mov    %esi,%ecx
  mov    %ebx,%edx
  mov    %r13,%rdi
  call   <printf@plt>
  add    $0x1,%ebx
  add    $0x10,%rsp
  cmp    %ebp,%ebx
  ja     L21
L31:
  mov    %ebx,%eax
  test   %ebx,%r12d
  je     L19
  neg    %eax
  and    %ebp,%eax
  neg    %eax
  jmp    L19
L21:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L62
  mov    $0x0,%eax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L62:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D0
type_guessed: string
name: retrieve_data
arguments: tag: D14
type_guessed: string

tool: D0: %d%d

tool: D14: |%*d|%*x|%*d|


assistant: ```c
int main(void) {
  int n, w;
  scanf("%d%d", &n, &w);
  unsigned max = 0;
  for (int i = 0; i < n; i++) {
    max <<= 1;
    max += 1;
  }
  unsigned mask = max ^ (max >> 1);
  for (unsigned i = 0; i <= max; i++) {
    int s = (i & mask) ? -(~(i - 1) & max) : i;
    printf("|%*d|%*x|%*d|\n", w, i, w, i, w, s);
  }
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %r13
  lea    D1(%rip),%rdi
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdx
  mov    %rsp,%rsi
  call   <scanf@plt>
  mov    (%rsp),%edx
  test   %edx,%edx
  jle    L9
  xor    %eax,%eax
  xor    %r13d,%r13d
  xchg   %ax,%ax
L37:
  add    $0x1,%eax
  lea    0x1(%r13,%r13,1),%r13d
  cmp    %eax,%edx
  jne    L37
L11:
  mov    %r13d,%ebp
  xor    %ebx,%ebx
  lea    D15(%rip),%r12
  shr    %ebp
  xor    %r13d,%ebp
  nopl   (%rax)
L21:
  mov    %ebx,%eax
  test   %ebx,%ebp
  je     L10
  neg    %eax
  and    %r13d,%eax
  neg    %eax
L10:
  mov    0x4(%rsp),%esi
  sub    $0x8,%rsp
  mov    %ebx,%edx
  mov    %ebx,%r8d
  push   %rax
  mov    %r12,%rdi
  add    $0x1,%ebx
  mov    %esi,%r9d
  mov    %esi,%ecx
  call   <printf@plt>
  pop    %rax
  pop    %rdx
  cmp    %r13d,%ebx
  jbe    L21
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L41
  add    $0x18,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L9:
  xor    %r13d,%r13d
  jmp    L11
L41:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_label: D1
datatype: string
name: unpack_data
arguments: data_label: D15
datatype: string

tool: D1: %d%d

tool: D15: |%*d|%*x|%*d|


assistant: ```c
int main(void) {
  int n, w;
  scanf("%d%d", &n, &w);
  unsigned max = 0;
  for (int i = 0; i < n; i++) {
    max <<= 1;
    max += 1;
  }
  unsigned mask = max ^ (max >> 1);
  for (unsigned i = 0; i <= max; i++) {
    int s = (i & mask) ? -(~(i - 1) & max) : i;
    printf("|%*d|%*x|%*d|\n", w, i, w, i, w, s);
  }
  return 0;
}
```