ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请从给定的汇编指令推导出C源代码：

```asm
<concatenate_strings>:
  endbr64
  push   %r13
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  test   %rdi,%rdi
  je     L28
  mov    %rdi,%rbp
  call   <strlen@plt>
  lea    0x1(%rax),%r13
  test   %r12,%r12
  je     L6
  mov    %r12,%rdi
  call   <strlen@plt>
  lea    D13(%rip),%rdi
  lea    (%rax,%r13,1),%rsi
  call   <malloc_or_die@plt>
  mov    %rbp,%rsi
  mov    %rax,%rdi
  mov    %rax,%r13
  call   <strcpy@plt>
  mov    %rbp,%rdi
  call   <strlen@plt>
  lea    0x0(%r13,%rax,1),%rbp
L22:
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strcpy@plt>
  mov    %r12,%rdi
  call   <strlen@plt>
  add    %rbp,%rax
L29:
  movb   $0x0,(%rax)
  mov    %r13,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax,%rax,1)
L6:
  mov    %r13,%rsi
  lea    D13(%rip),%rdi
  call   <malloc_or_die@plt>
  mov    %rbp,%rsi
  mov    %rax,%rdi
  mov    %rax,%r13
  call   <strcpy@plt>
  mov    %rbp,%rdi
  call   <strlen@plt>
  add    %r13,%rax
  movb   $0x0,(%rax)
  mov    %r13,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L28:
  test   %rsi,%rsi
  je     L11
  mov    %rsi,%rdi
  call   <strlen@plt>
  lea    D13(%rip),%rdi
  lea    0x1(%rax),%rsi
  call   <malloc_or_die@plt>
  mov    %rax,%rbp
  mov    %rax,%r13
  jmp    L22
L11:
  mov    $0x1,%esi
  lea    D13(%rip),%rdi
  call   <malloc_or_die@plt>
  mov    %rax,%r13
  jmp    L29
```

tool_calls: name: retrieve_data
arguments: data_tag: D13
datatype: string

tool: D13: concatenate_strings

assistant: ```c
char *concatenate_strings(const char *s1, const char *s2) {
  char *s, *scan;
  size_t len = 0;
  if (s1 != NULL)
    len += strlen(s1);
  if (s2 != NULL)
    len += strlen(s2);
  s = malloc_or_die("concatenate_strings", len + 1);
  scan = s;
  if (s1 != NULL) {
    strcpy(scan, s1);
    scan += strlen(s1);
  }
  if (s2 != NULL) {
    strcpy(scan, s2);
    scan += strlen(s2);
  }
  *scan = 0;
  return s;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<concatenate_strings>:
  endbr64
  push   %r13
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  test   %rdi,%rdi
  je     L45
  mov    %rdi,%rbp
  call   <strlen@plt>
  lea    0x1(%rax),%r13
  test   %r12,%r12
  je     L9
  mov    %r12,%rdi
  call   <strlen@plt>
  lea    D26(%rip),%rdi
  lea    (%rax,%r13,1),%rsi
  call   <malloc_or_die@plt>
  mov    %rbp,%rsi
  mov    %rax,%rdi
  mov    %rax,%r13
  call   <strcpy@plt>
  mov    %rbp,%rdi
  call   <strlen@plt>
  lea    0x0(%r13,%rax,1),%rbp
L0:
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strcpy@plt>
  mov    %r12,%rdi
  call   <strlen@plt>
  add    %rbp,%rax
L30:
  movb   $0x0,(%rax)
  mov    %r13,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax,%rax,1)
L9:
  mov    %r13,%rsi
  lea    D26(%rip),%rdi
  call   <malloc_or_die@plt>
  mov    %rbp,%rsi
  mov    %rax,%rdi
  mov    %rax,%r13
  call   <strcpy@plt>
  mov    %rbp,%rdi
  call   <strlen@plt>
  add    %r13,%rax
  movb   $0x0,(%rax)
  mov    %r13,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L45:
  test   %rsi,%rsi
  je     L24
  mov    %rsi,%rdi
  call   <strlen@plt>
  lea    D26(%rip),%rdi
  lea    0x1(%rax),%rsi
  call   <malloc_or_die@plt>
  mov    %rax,%rbp
  mov    %rax,%r13
  jmp    L0
L24:
  mov    $0x1,%esi
  lea    D26(%rip),%rdi
  call   <malloc_or_die@plt>
  mov    %rax,%r13
  jmp    L30
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D26
type_guessed: string

tool: D26: concatenate_strings

assistant: ```c
char *concatenate_strings(const char *s1, const char *s2) {
  char *s, *scan;
  size_t len = 0;
  if (s1 != NULL)
    len += strlen(s1);
  if (s2 != NULL)
    len += strlen(s2);
  s = malloc_or_die("concatenate_strings", len + 1);
  scan = s;
  if (s1 != NULL) {
    strcpy(scan, s1);
    scan += strlen(s1);
  }
  if (s2 != NULL) {
    strcpy(scan, s2);
    scan += strlen(s2);
  }
  *scan = 0;
  return s;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<aes_subBytes>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r12
  push   %rbx
  sub    $0x10,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    $0x10,%ebx
  jmp    L5
L15:
  movzbl %bl,%edx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  movzbl %bl,%ecx
  mov    -0x18(%rbp),%rdx
  lea    (%rcx,%rdx,1),%r12
  mov    %eax,%edi
  call   <rj_sbox@plt>
  mov    %al,(%r12)
L5:
  mov    %ebx,%eax
  lea    -0x1(%rax),%ebx
  test   %al,%al
  jne    L15
  nop
  nop
  add    $0x10,%rsp
  pop    %rbx
  pop    %r12
  pop    %rbp
  ret
```

assistant: ```c
void aes_subBytes(unsigned char *buf) {
  register unsigned char i = 16;
  while (i--)
    buf[i] = rj_sbox(buf[i]);
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<aes_subBytes>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r12
  lea    0xf(%rdi),%rbx
L5:
  mov    %rbx,%rbp
  movzbl (%rbx),%edi
  call   <rj_sbox@plt>
  mov    %al,(%rbx)
  sub    $0x1,%rbx
  cmp    %r12,%rbp
  jne    L5
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
void aes_subBytes(unsigned char *buf) {
  register unsigned char i = 16;
  while (i--)
    buf[i] = rj_sbox(buf[i]);
}
```
user: Translate the below assembly code into C programming language:

```asm
<aes_subBytes>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  lea    0xf(%rdi),%rbx
  nop
L8:
  movzbl (%rbx),%edi
  mov    %rbx,%rbp
  sub    $0x1,%rbx
  call   <rj_sbox@plt>
  mov    %al,0x1(%rbx)
  cmp    %r12,%rbp
  jne    L8
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
void aes_subBytes(unsigned char *buf) {
  register unsigned char i = 16;
  while (i--)
    buf[i] = rj_sbox(buf[i]);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<aes_subBytes>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  lea    0xf(%rdi),%rbx
  nop
L0:
  movzbl (%rbx),%edi
  mov    %rbx,%rbp
  sub    $0x1,%rbx
  call   <rj_sbox@plt>
  mov    %al,0x1(%rbx)
  cmp    %r12,%rbp
  jne    L0
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
void aes_subBytes(unsigned char *buf) {
  register unsigned char i = 16;
  while (i--)
    buf[i] = rj_sbox(buf[i]);
}
```
user: What is the c source code of the assembly code below:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  lea    D11(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  lea    D19(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  movl   $0x0,-0x4(%rbp)
  jmp    L33
L47:
  mov    -0x4(%rbp),%eax
  mov    %eax,%esi
  lea    D89(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    -0x4(%rbp),%eax
  mov    %eax,%esi
  lea    D60(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  cmpl   $0x7,-0x4(%rbp)
  jle    L39
  cmpl   $0xe,-0x4(%rbp)
  jle    L11
L39:
  cmpl   $0x11,-0x4(%rbp)
  je     L11
  lea    D93(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
L11:
  mov    -0x4(%rbp),%eax
  mov    %eax,%esi
  lea    D74(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    D6(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  addl   $0x1,-0x4(%rbp)
L33:
  cmpl   $0xff,-0x4(%rbp)
  jle    L47
  mov    $0xa,%edi
  call   <putchar@plt>
  lea    D50(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  lea    D37(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  lea    D47(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  lea    D76(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  movl   $0x0,-0x4(%rbp)
  jmp    L66
L65:
  mov    -0x4(%rbp),%eax
  mov    %eax,%esi
  lea    D109(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  addl   $0x1,-0x4(%rbp)
L66:
  cmpl   $0xff,-0x4(%rbp)
  jle    L65
  mov    $0x0,%eax
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D11
data_type: string
name: retrieve_data
arguments: tag: D19
data_type: string
name: retrieve_data
arguments: tag: D89
data_type: string
name: retrieve_data
arguments: tag: D60
data_type: string
name: retrieve_data
arguments: tag: D93
data_type: string
name: retrieve_data
arguments: tag: D74
data_type: string
name: retrieve_data
arguments: tag: D6
data_type: string
name: retrieve_data
arguments: tag: D50
data_type: string
name: retrieve_data
arguments: tag: D37
data_type: string
name: retrieve_data
arguments: tag: D47
data_type: string
name: retrieve_data
arguments: tag: D76
data_type: string
name: retrieve_data
arguments: tag: D109
data_type: string

tool: D11: .text

tool: D19: .globl __alltraps

tool: D89: .globl vector%d


tool: D60: vector%d:


tool: D93:   pushl \$0

tool: D74:   pushl $%d


tool: D6:   jmp __alltraps

tool: D50: # vector table

tool: D37: .data

tool: D47: .globl __vectors

tool: D76: __vectors:

tool: D109:   .long vector%d


assistant: ```c
int main(void) {
  printf(".text\n");
  printf(".globl __alltraps\n");
  int i;
  for (i = 0; i < 256; i++) {
    printf(".globl vector%d\n", i);
    printf("vector%d:\n", i);
    if ((i < 8 || i > 14) && i != 17) {
      printf("  pushl \\$0\n");
    }
    printf("  pushl $%d\n", i);
    printf("  jmp __alltraps\n");
  }
  printf("\n");
  printf("# vector table\n");
  printf(".data\n");
  printf(".globl __vectors\n");
  printf("__vectors:\n");
  for (i = 0; i < 256; i++) {
    printf("  .long vector%d\n", i);
  }
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<main>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  lea    D40(%rip),%rdi
  call   <puts@plt>
  lea    D56(%rip),%rdi
  call   <puts@plt>
  mov    $0x0,%ebx
  lea    D104(%rip),%r13
  lea    D75(%rip),%r12
  lea    D53(%rip),%r14
  lea    D68(%rip),%rbp
  jmp    L25
L47:
  mov    %ebx,%esi
  mov    %rbp,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    D73(%rip),%rdi
  call   <puts@plt>
  add    $0x1,%ebx
  cmp    $0x100,%ebx
  je     L34
L25:
  mov    %ebx,%esi
  mov    %r13,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    %ebx,%esi
  mov    %r12,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0x8(%rbx),%eax
  cmp    $0x6,%eax
  jbe    L47
  cmp    $0x11,%ebx
  je     L47
  mov    %r14,%rdi
  call   <puts@plt>
  jmp    L47
L34:
  mov    $0xa,%edi
  call   <putchar@plt>
  lea    D84(%rip),%rdi
  call   <puts@plt>
  lea    D87(%rip),%rdi
  call   <puts@plt>
  lea    D47(%rip),%rdi
  call   <puts@plt>
  lea    D49(%rip),%rdi
  call   <puts@plt>
  mov    $0x0,%ebx
  lea    D58(%rip),%rbp
L2:
  mov    %ebx,%esi
  mov    %rbp,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  add    $0x1,%ebx
  cmp    $0x100,%ebx
  jne    L2
  mov    $0x0,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

tool_calls: name: read_data
arguments: tag: D40
data_type: string
name: read_data
arguments: tag: D56
data_type: string
name: read_data
arguments: tag: D104
data_type: string
name: read_data
arguments: tag: D75
data_type: string
name: read_data
arguments: tag: D53
data_type: string
name: read_data
arguments: tag: D68
data_type: string
name: read_data
arguments: tag: D73
data_type: string
name: read_data
arguments: tag: D84
data_type: string
name: read_data
arguments: tag: D87
data_type: string
name: read_data
arguments: tag: D47
data_type: string
name: read_data
arguments: tag: D49
data_type: string
name: read_data
arguments: tag: D58
data_type: string

tool: D40: .text

tool: D56: .globl __alltraps

tool: D104: .globl vector%d


tool: D75: vector%d:


tool: D53:   pushl \$0

tool: D68:   pushl $%d


tool: D73:   jmp __alltraps

tool: D84: # vector table

tool: D87: .data

tool: D47: .globl __vectors

tool: D49: __vectors:

tool: D58:   .long vector%d


assistant: ```c
int main(void) {
  printf(".text\n");
  printf(".globl __alltraps\n");
  int i;
  for (i = 0; i < 256; i++) {
    printf(".globl vector%d\n", i);
    printf("vector%d:\n", i);
    if ((i < 8 || i > 14) && i != 17) {
      printf("  pushl \\$0\n");
    }
    printf("  pushl $%d\n", i);
    printf("  jmp __alltraps\n");
  }
  printf("\n");
  printf("# vector table\n");
  printf(".data\n");
  printf(".globl __vectors\n");
  printf("__vectors:\n");
  for (i = 0; i < 256; i++) {
    printf("  .long vector%d\n", i);
  }
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %r15
  lea    D9(%rip),%rdi
  lea    D4(%rip),%r15
  push   %r14
  lea    D105(%rip),%r14
  push   %r13
  lea    D75(%rip),%r13
  push   %r12
  lea    D107(%rip),%r12
  push   %rbp
  lea    D77(%rip),%rbp
  push   %rbx
  xor    %ebx,%ebx
  sub    $0x8,%rsp
  call   <puts@plt>
  lea    D8(%rip),%rdi
  call   <puts@plt>
  nop
L39:
  mov    %ebx,%esi
  mov    %r14,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %ebx,%esi
  mov    %r13,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    -0x8(%rbx),%eax
  cmp    $0x6,%eax
  jbe    L9
  cmp    $0x11,%ebx
  je     L9
  mov    %r15,%rdi
  call   <puts@plt>
L9:
  mov    %ebx,%esi
  mov    %r12,%rdi
  xor    %eax,%eax
  add    $0x1,%ebx
  call   <printf@plt>
  mov    %rbp,%rdi
  call   <puts@plt>
  cmp    $0x100,%ebx
  jne    L39
  mov    $0xa,%edi
  xor    %ebx,%ebx
  lea    D11(%rip),%rbp
  call   <putchar@plt>
  lea    D115(%rip),%rdi
  call   <puts@plt>
  lea    D71(%rip),%rdi
  call   <puts@plt>
  lea    D33(%rip),%rdi
  call   <puts@plt>
  lea    D113(%rip),%rdi
  call   <puts@plt>
  nop
L30:
  mov    %ebx,%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  add    $0x1,%ebx
  call   <printf@plt>
  cmp    $0x100,%ebx
  jne    L30
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

tool_calls: name: disassemble_data
arguments: label: D9
type_infered: string
name: disassemble_data
arguments: label: D4
type_infered: string
name: disassemble_data
arguments: label: D105
type_infered: string
name: disassemble_data
arguments: label: D75
type_infered: string
name: disassemble_data
arguments: label: D107
type_infered: string
name: disassemble_data
arguments: label: D77
type_infered: string
name: disassemble_data
arguments: label: D8
type_infered: string
name: disassemble_data
arguments: label: D11
type_infered: string
name: disassemble_data
arguments: label: D115
type_infered: string
name: disassemble_data
arguments: label: D71
type_infered: string
name: disassemble_data
arguments: label: D33
type_infered: string
name: disassemble_data
arguments: label: D113
type_infered: string

tool: D9: .text

tool: D4:   pushl \$0

tool: D105: .globl vector%d


tool: D75: vector%d:


tool: D107:   pushl $%d


tool: D77:   jmp __alltraps

tool: D8: .globl __alltraps

tool: D11:   .long vector%d


tool: D115: # vector table

tool: D71: .data

tool: D33: .globl __vectors

tool: D113: __vectors:

assistant: ```c
int main(void) {
  printf(".text\n");
  printf(".globl __alltraps\n");
  int i;
  for (i = 0; i < 256; i++) {
    printf(".globl vector%d\n", i);
    printf("vector%d:\n", i);
    if ((i < 8 || i > 14) && i != 17) {
      printf("  pushl \\$0\n");
    }
    printf("  pushl $%d\n", i);
    printf("  jmp __alltraps\n");
  }
  printf("\n");
  printf("# vector table\n");
  printf(".data\n");
  printf(".globl __vectors\n");
  printf("__vectors:\n");
  for (i = 0; i < 256; i++) {
    printf("  .long vector%d\n", i);
  }
  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   %r15
  lea    D117(%rip),%rdi
  lea    D96(%rip),%r15
  push   %r14
  lea    D81(%rip),%r14
  push   %r13
  lea    D40(%rip),%r13
  push   %r12
  lea    D110(%rip),%r12
  push   %rbp
  lea    D36(%rip),%rbp
  push   %rbx
  xor    %ebx,%ebx
  sub    $0x8,%rsp
  call   <puts@plt>
  lea    D66(%rip),%rdi
  call   <puts@plt>
  nop
L25:
  mov    %ebx,%esi
  mov    %r12,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %ebx,%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    -0x8(%rbx),%eax
  cmp    $0x6,%eax
  jbe    L1
  cmp    $0x11,%ebx
  je     L1
  mov    %r15,%rdi
  call   <puts@plt>
L1:
  mov    %ebx,%esi
  mov    %r14,%rdi
  xor    %eax,%eax
  add    $0x1,%ebx
  call   <printf@plt>
  mov    %r13,%rdi
  call   <puts@plt>
  cmp    $0x100,%ebx
  jne    L25
  mov    $0xa,%edi
  xor    %ebx,%ebx
  lea    D51(%rip),%rbp
  call   <putchar@plt>
  lea    D71(%rip),%rdi
  call   <puts@plt>
  lea    D10(%rip),%rdi
  call   <puts@plt>
  lea    D94(%rip),%rdi
  call   <puts@plt>
  lea    D56(%rip),%rdi
  call   <puts@plt>
  nop
L10:
  mov    %ebx,%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  add    $0x1,%ebx
  call   <printf@plt>
  cmp    $0x100,%ebx
  jne    L10
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D117
data_type: string
name: retrieve_data
arguments: tag: D96
data_type: string
name: retrieve_data
arguments: tag: D81
data_type: string
name: retrieve_data
arguments: tag: D40
data_type: string
name: retrieve_data
arguments: tag: D110
data_type: string
name: retrieve_data
arguments: tag: D36
data_type: string
name: retrieve_data
arguments: tag: D66
data_type: string
name: retrieve_data
arguments: tag: D51
data_type: string
name: retrieve_data
arguments: tag: D71
data_type: string
name: retrieve_data
arguments: tag: D10
data_type: string
name: retrieve_data
arguments: tag: D94
data_type: string
name: retrieve_data
arguments: tag: D56
data_type: string

tool: D117: .text

tool: D96:   pushl \$0

tool: D81:   pushl $%d


tool: D40:   jmp __alltraps

tool: D110: .globl vector%d


tool: D36: vector%d:


tool: D66: .globl __alltraps

tool: D51:   .long vector%d


tool: D71: # vector table

tool: D10: .data

tool: D94: .globl __vectors

tool: D56: __vectors:

assistant: ```c
int main(void) {
  printf(".text\n");
  printf(".globl __alltraps\n");
  int i;
  for (i = 0; i < 256; i++) {
    printf(".globl vector%d\n", i);
    printf("vector%d:\n", i);
    if ((i < 8 || i > 14) && i != 17) {
      printf("  pushl \\$0\n");
    }
    printf("  pushl $%d\n", i);
    printf("  jmp __alltraps\n");
  }
  printf("\n");
  printf("# vector table\n");
  printf(".data\n");
  printf(".globl __vectors\n");
  printf("__vectors:\n");
  for (i = 0; i < 256; i++) {
    printf("  .long vector%d\n", i);
  }
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<xcshift>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  cmpl   $0x0,-0x18(%rbp)
  jne    L9
  mov    -0x14(%rbp),%eax
  jmp    L19
L9:
  mov    -0x18(%rbp),%eax
  mov    -0x14(%rbp),%edx
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  mov    %eax,-0x8(%rbp)
  mov    $0x20,%eax
  sub    -0x18(%rbp),%eax
  mov    -0x14(%rbp),%edx
  mov    %eax,%ecx
  sar    %cl,%edx
  mov    %edx,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x8(%rbp),%eax
  xor    -0x4(%rbp),%eax
L19:
  pop    %rbp
  ret
```

assistant: ```c
int xcshift(int x, int shft) {
  int a, b;
  if (shft == 0)
    return x;
  a = x << shft;
  b = x >> (32 - shft);
  return a ^ b;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<xcshift>:
  endbr64
  mov    %edi,%eax
  test   %esi,%esi
  je     L1
  mov    $0x20,%ecx
  sub    %esi,%ecx
  sar    %cl,%eax
  mov    %esi,%ecx
  shl    %cl,%edi
  xor    %edi,%eax
L1:
  ret
```

assistant: ```c
int xcshift(int x, int shft) {
  int a, b;
  if (shft == 0)
    return x;
  a = x << shft;
  b = x >> (32 - shft);
  return a ^ b;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<xcshift>:
  endbr64
  mov    %edi,%eax
  test   %esi,%esi
  je     L5
  mov    $0x20,%ecx
  mov    %edi,%edx
  sub    %esi,%ecx
  sar    %cl,%edx
  mov    %esi,%ecx
  shl    %cl,%eax
  xor    %edx,%eax
L5:
  ret
```

assistant: ```c
int xcshift(int x, int shft) {
  int a, b;
  if (shft == 0)
    return x;
  a = x << shft;
  b = x >> (32 - shft);
  return a ^ b;
}
```
user: What is the c source code of the assembly code below?

```asm
<xcshift>:
  endbr64
  mov    %edi,%eax
  test   %esi,%esi
  je     L7
  mov    $0x20,%ecx
  mov    %edi,%edx
  sub    %esi,%ecx
  sar    %cl,%edx
  mov    %esi,%ecx
  shl    %cl,%eax
  xor    %edx,%eax
L7:
  ret
```

assistant: ```c
int xcshift(int x, int shft) {
  int a, b;
  if (shft == 0)
    return x;
  a = x << shft;
  b = x >> (32 - shft);
  return a ^ b;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<_partition>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %edx,-0x30(%rbp)
  mov    %rcx,-0x38(%rbp)
  mov    -0x30(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x2c(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,-0x14(%rbp)
  mov    -0x2c(%rbp),%eax
  mov    %eax,-0x10(%rbp)
  jmp    L26
L9:
  mov    -0x10(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  cmp    %rax,-0x8(%rbp)
  jb     L12
  addl   $0x1,-0x14(%rbp)
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    %eax,-0xc(%rbp)
  mov    -0x10(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    -0x14(%rbp),%edx
  movslq %edx,%rdx
  lea    0x0(,%rdx,4),%rcx
  mov    -0x28(%rbp),%rdx
  add    %rcx,%rdx
  mov    (%rax),%eax
  mov    %eax,(%rdx)
  mov    -0x10(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rax,%rdx
  mov    -0xc(%rbp),%eax
  mov    %eax,(%rdx)
L12:
  addl   $0x1,-0x10(%rbp)
L26:
  mov    -0x10(%rbp),%eax
  cmp    -0x30(%rbp),%eax
  jl     L9
  addl   $0x1,-0x14(%rbp)
  mov    -0x14(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    %eax,-0xc(%rbp)
  mov    -0x30(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    -0x14(%rbp),%edx
  movslq %edx,%rdx
  lea    0x0(,%rdx,4),%rcx
  mov    -0x28(%rbp),%rdx
  add    %rcx,%rdx
  mov    (%rax),%eax
  mov    %eax,(%rdx)
  mov    -0x30(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rax,%rdx
  mov    -0xc(%rbp),%eax
  mov    %eax,(%rdx)
  mov    -0x14(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int _partition(int *sort, int p, int r, const unsigned long *ref) {
  unsigned long x = ref[sort[r]];
  int i = p - 1, j;
  int temp;
  for (j = p; j < r; j++) {
    if (ref[sort[j]] <= x) {
      i++;
      temp = sort[i];
      sort[i] = sort[j];
      sort[j] = temp;
    }
  }
  i++;
  temp = sort[i];
  sort[i] = sort[r];
  sort[r] = temp;
  return i;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<_partition>:
  endbr64
  push   %rbx
  mov    %rdi,%r8
  movslq %edx,%rax
  lea    (%rdi,%rax,4),%rbx
  movslq (%rbx),%rax
  mov    (%rcx,%rax,8),%r9
  lea    -0x1(%rsi),%eax
  cmp    %esi,%edx
  jle    L25
  mov    %rcx,%rdi
  movslq %esi,%r10
  lea    (%r8,%r10,4),%rcx
  sub    %esi,%edx
  lea    -0x1(%rdx),%edx
  add    %r10,%rdx
  lea    0x4(%r8,%rdx,4),%r10
  jmp    L26
L8:
  add    $0x4,%rcx
  cmp    %r10,%rcx
  je     L25
L26:
  mov    (%rcx),%edx
  movslq %edx,%rsi
  cmp    %r9,(%rdi,%rsi,8)
  ja     L8
  add    $0x1,%eax
  movslq %eax,%rsi
  lea    (%r8,%rsi,4),%rsi
  mov    (%rsi),%r11d
  mov    %edx,(%rsi)
  mov    %r11d,(%rcx)
  jmp    L8
L25:
  add    $0x1,%eax
  movslq %eax,%rdx
  lea    (%r8,%rdx,4),%rdx
  mov    (%rdx),%ecx
  mov    (%rbx),%esi
  mov    %esi,(%rdx)
  mov    %ecx,(%rbx)
  pop    %rbx
  ret
```

assistant: ```c
int _partition(int *sort, int p, int r, const unsigned long *ref) {
  unsigned long x = ref[sort[r]];
  int i = p - 1, j;
  int temp;
  for (j = p; j < r; j++) {
    if (ref[sort[j]] <= x) {
      i++;
      temp = sort[i];
      sort[i] = sort[j];
      sort[j] = temp;
    }
  }
  i++;
  temp = sort[i];
  sort[i] = sort[r];
  sort[r] = temp;
  return i;
}
```