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

```asm
<ft_strcat>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  jmp    L23
L29:
  addq   $0x1,-0x8(%rbp)
L23:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L29
  nop
L20:
  mov    -0x20(%rbp),%rdx
  lea    0x1(%rdx),%rax
  mov    %rax,-0x20(%rbp)
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    %rcx,-0x8(%rbp)
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
  movzbl (%rax),%eax
  test   %al,%al
  jne    L20
  mov    -0x18(%rbp),%rax
  pop    %rbp
  ret
```

assistant: ```c
char *ft_strcat(char *dest, char *src) {
  char *tmp;
  tmp = dest;
  while (*tmp)
    tmp++;
  while ((*tmp++ = *src++))
    ;
  return (dest);
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<ft_strcat>:
  endbr64
  mov    %rdi,%rax
  cmpb   $0x0,(%rdi)
  je     L38
  mov    %rdi,%rcx
L33:
  add    $0x1,%rcx
  cmpb   $0x0,(%rcx)
  jne    L33
L19:
  mov    $0x0,%edx
L29:
  movzbl (%rsi,%rdx,1),%r8d
  mov    %r8b,(%rcx,%rdx,1)
  add    $0x1,%rdx
  test   %r8b,%r8b
  jne    L29
  ret
L38:
  mov    %rdi,%rcx
  jmp    L19
```

assistant: ```c
char *ft_strcat(char *dest, char *src) {
  char *tmp;
  tmp = dest;
  while (*tmp)
    tmp++;
  while ((*tmp++ = *src++))
    ;
  return (dest);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<ft_strcat>:
  endbr64
  cmpb   $0x0,(%rdi)
  mov    %rdi,%rax
  mov    %rdi,%rcx
  je     L23
  nop
L16:
  add    $0x1,%rcx
  cmpb   $0x0,(%rcx)
  jne    L16
L23:
  xor    %edx,%edx
  nopl   0x0(%rax,%rax,1)
L6:
  movzbl (%rsi,%rdx,1),%r8d
  mov    %r8b,(%rcx,%rdx,1)
  add    $0x1,%rdx
  test   %r8b,%r8b
  jne    L6
  ret
```

assistant: ```c
char *ft_strcat(char *dest, char *src) {
  char *tmp;
  tmp = dest;
  while (*tmp)
    tmp++;
  while ((*tmp++ = *src++))
    ;
  return (dest);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<ft_strcat>:
  endbr64
  cmpb   $0x0,(%rdi)
  mov    %rdi,%rax
  mov    %rdi,%rcx
  je     L11
  nop
L2:
  add    $0x1,%rcx
  cmpb   $0x0,(%rcx)
  jne    L2
L11:
  xor    %edx,%edx
  nopl   0x0(%rax,%rax,1)
L23:
  movzbl (%rsi,%rdx,1),%r8d
  mov    %r8b,(%rcx,%rdx,1)
  add    $0x1,%rdx
  test   %r8b,%r8b
  jne    L23
  ret
```

assistant: ```c
char *ft_strcat(char *dest, char *src) {
  char *tmp;
  tmp = dest;
  while (*tmp)
    tmp++;
  while ((*tmp++ = *src++))
    ;
  return (dest);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<mkdevsw>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  lea    D36(%rip),%rax
  mov    %rax,%rsi
  lea    D69(%rip),%rax
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L36
  lea    D54(%rip),%rax
  mov    %rax,%rdi
  call   <warn@plt>
  mov    $0x1,%eax
  jmp    L9
L36:
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <emitheader@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <emitdevm@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <emitconv@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <emitdev@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <fflush@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <ferror@plt>
  test   %rax,%rax
  je     L15
  lea    D42(%rip),%rax
  mov    %rax,%rdi
  call   <warn@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  mov    $0x1,%eax
  jmp    L9
L15:
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  lea    D57(%rip),%rax
  mov    %rax,%rsi
  lea    D69(%rip),%rax
  mov    %rax,%rdi
  call   <moveifchanged@plt>
  test   %rax,%rax
  je     L28
  lea    D51(%rip),%rax
  mov    %rax,%rdi
  call   <warn@plt>
  mov    $0x1,%eax
  jmp    L9
L28:
  mov    $0x0,%eax
L9:
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: label: D36
type_infered: string
name: extract_symbolic_data
arguments: label: D69
type_infered: string
name: extract_symbolic_data
arguments: label: D54
type_infered: string
name: extract_symbolic_data
arguments: label: D42
type_infered: string
name: extract_symbolic_data
arguments: label: D57
type_infered: string
name: extract_symbolic_data
arguments: label: D51
type_infered: string

tool: D36: w

tool: D69: devsw.c.tmp

tool: D54: cannot create devsw.c

tool: D42: error writing devsw.c

tool: D57: devsw.c

tool: D51: error renaming devsw.c

assistant: ```c
int mkdevsw(void) {
  FILE *fp;
  if ((fp = fopen("devsw.c.tmp", "w")) == NULL) {
    warn("cannot create devsw.c");
    return (1);
  }
  emitheader(fp);
  emitdevm(fp);
  emitconv(fp);
  emitdev(fp);
  fflush(fp);
  if (ferror(fp)) {
    warn("error writing devsw.c");
    fclose(fp);
    return 1;
  }
  (void)fclose(fp);
  if (moveifchanged("devsw.c.tmp", "devsw.c") != 0) {
    warn("error renaming devsw.c");
    return (1);
  }
  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
<mkdevsw>:
  endbr64
  push   %rbx
  lea    D15(%rip),%rsi
  lea    D1(%rip),%rdi
  call   <fopen@plt>
  test   %rax,%rax
  je     L6
  mov    %rax,%rbx
  mov    %rax,%rdi
  call   <emitheader@plt>
  mov    %rbx,%rdi
  call   <emitdevm@plt>
  mov    %rbx,%rdi
  call   <emitconv@plt>
  mov    %rbx,%rdi
  call   <emitdev@plt>
  mov    %rbx,%rdi
  call   <fflush@plt>
  mov    %rbx,%rdi
  call   <ferror@plt>
  test   %rax,%rax
  jne    L1
  mov    %rbx,%rdi
  call   <fclose@plt>
  lea    D3(%rip),%rsi
  lea    D1(%rip),%rdi
  call   <moveifchanged@plt>
  mov    %rax,%rdx
  mov    $0x0,%eax
  test   %rdx,%rdx
  jne    L49
L50:
  pop    %rbx
  ret
L6:
  lea    D14(%rip),%rdi
  call   <warn@plt>
  mov    $0x1,%eax
  jmp    L50
L1:
  lea    D0(%rip),%rdi
  call   <warn@plt>
  mov    %rbx,%rdi
  call   <fclose@plt>
  mov    $0x1,%eax
  jmp    L50
L49:
  lea    D13(%rip),%rdi
  call   <warn@plt>
  mov    $0x1,%eax
  jmp    L50
```

tool_calls: name: unpack_data
arguments: tag: D15
datatype: string
name: unpack_data
arguments: tag: D1
datatype: string
name: unpack_data
arguments: tag: D3
datatype: string
name: unpack_data
arguments: tag: D14
datatype: string
name: unpack_data
arguments: tag: D0
datatype: string
name: unpack_data
arguments: tag: D13
datatype: string

tool: D15: w

tool: D1: devsw.c.tmp

tool: D3: devsw.c

tool: D14: cannot create devsw.c

tool: D0: error writing devsw.c

tool: D13: error renaming devsw.c

assistant: ```c
int mkdevsw(void) {
  FILE *fp;
  if ((fp = fopen("devsw.c.tmp", "w")) == NULL) {
    warn("cannot create devsw.c");
    return (1);
  }
  emitheader(fp);
  emitdevm(fp);
  emitconv(fp);
  emitdev(fp);
  fflush(fp);
  if (ferror(fp)) {
    warn("error writing devsw.c");
    fclose(fp);
    return 1;
  }
  (void)fclose(fp);
  if (moveifchanged("devsw.c.tmp", "devsw.c") != 0) {
    warn("error renaming devsw.c");
    return (1);
  }
  return (0);
}
```
user: What is the c source code of the assembly code below:

```asm
<mkdevsw>:
  endbr64
  push   %r12
  lea    D12(%rip),%r12
  lea    D59(%rip),%rsi
  push   %rbp
  mov    %r12,%rdi
  sub    $0x8,%rsp
  call   <fopen@plt>
  test   %rax,%rax
  je     L0
  mov    %rax,%rbp
  mov    %rax,%rdi
  call   <emitheader@plt>
  mov    %rbp,%rdi
  call   <emitdevm@plt>
  mov    %rbp,%rdi
  call   <emitconv@plt>
  mov    %rbp,%rdi
  call   <emitdev@plt>
  mov    %rbp,%rdi
  call   <fflush@plt>
  mov    %rbp,%rdi
  call   <ferror@plt>
  test   %rax,%rax
  jne    L2
  mov    %rbp,%rdi
  call   <fclose@plt>
  lea    D32(%rip),%rsi
  mov    %r12,%rdi
  call   <moveifchanged@plt>
  mov    %rax,%r8
  xor    %eax,%eax
  test   %r8,%r8
  jne    L20
  add    $0x8,%rsp
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax,%rax,1)
L2:
  lea    D35(%rip),%rdi
  call   <warn@plt>
  mov    %rbp,%rdi
  call   <fclose@plt>
  add    $0x8,%rsp
  mov    $0x1,%eax
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L20:
  lea    D43(%rip),%rdi
  call   <warn@plt>
  add    $0x8,%rsp
  mov    $0x1,%eax
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L0:
  lea    D58(%rip),%rdi
  call   <warn@plt>
  add    $0x8,%rsp
  mov    $0x1,%eax
  pop    %rbp
  pop    %r12
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D12
type_infered: string
name: extract_symbolic_data
arguments: data_label: D59
type_infered: string
name: extract_symbolic_data
arguments: data_label: D32
type_infered: string
name: extract_symbolic_data
arguments: data_label: D35
type_infered: string
name: extract_symbolic_data
arguments: data_label: D43
type_infered: string
name: extract_symbolic_data
arguments: data_label: D58
type_infered: string

tool: D12: devsw.c.tmp

tool: D59: w

tool: D32: devsw.c

tool: D35: error writing devsw.c

tool: D43: error renaming devsw.c

tool: D58: cannot create devsw.c

assistant: ```c
int mkdevsw(void) {
  FILE *fp;
  if ((fp = fopen("devsw.c.tmp", "w")) == NULL) {
    warn("cannot create devsw.c");
    return (1);
  }
  emitheader(fp);
  emitdevm(fp);
  emitconv(fp);
  emitdev(fp);
  fflush(fp);
  if (ferror(fp)) {
    warn("error writing devsw.c");
    fclose(fp);
    return 1;
  }
  (void)fclose(fp);
  if (moveifchanged("devsw.c.tmp", "devsw.c") != 0) {
    warn("error renaming devsw.c");
    return (1);
  }
  return (0);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<mkdevsw>:
  endbr64
  push   %r12
  lea    D29(%rip),%r12
  lea    D46(%rip),%rsi
  push   %rbp
  mov    %r12,%rdi
  sub    $0x8,%rsp
  call   <fopen@plt>
  test   %rax,%rax
  je     L0
  mov    %rax,%rbp
  mov    %rax,%rdi
  call   <emitheader@plt>
  mov    %rbp,%rdi
  call   <emitdevm@plt>
  mov    %rbp,%rdi
  call   <emitconv@plt>
  mov    %rbp,%rdi
  call   <emitdev@plt>
  mov    %rbp,%rdi
  call   <fflush@plt>
  mov    %rbp,%rdi
  call   <ferror@plt>
  test   %rax,%rax
  jne    L3
  mov    %rbp,%rdi
  call   <fclose@plt>
  lea    D20(%rip),%rsi
  mov    %r12,%rdi
  call   <moveifchanged@plt>
  mov    %rax,%r8
  xor    %eax,%eax
  test   %r8,%r8
  jne    L9
  add    $0x8,%rsp
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax,%rax,1)
L3:
  lea    D24(%rip),%rdi
  call   <warn@plt>
  mov    %rbp,%rdi
  call   <fclose@plt>
  add    $0x8,%rsp
  mov    $0x1,%eax
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L9:
  lea    D51(%rip),%rdi
  call   <warn@plt>
  add    $0x8,%rsp
  mov    $0x1,%eax
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L0:
  lea    D1(%rip),%rdi
  call   <warn@plt>
  add    $0x8,%rsp
  mov    $0x1,%eax
  pop    %rbp
  pop    %r12
  ret
```

tool_calls: name: read_data
arguments: data_label: D29
datatype: string
name: read_data
arguments: data_label: D46
datatype: string
name: read_data
arguments: data_label: D20
datatype: string
name: read_data
arguments: data_label: D24
datatype: string
name: read_data
arguments: data_label: D51
datatype: string
name: read_data
arguments: data_label: D1
datatype: string

tool: D29: devsw.c.tmp

tool: D46: w

tool: D20: devsw.c

tool: D24: error writing devsw.c

tool: D51: error renaming devsw.c

tool: D1: cannot create devsw.c

assistant: ```c
int mkdevsw(void) {
  FILE *fp;
  if ((fp = fopen("devsw.c.tmp", "w")) == NULL) {
    warn("cannot create devsw.c");
    return (1);
  }
  emitheader(fp);
  emitdevm(fp);
  emitconv(fp);
  emitdev(fp);
  fflush(fp);
  if (ferror(fp)) {
    warn("error writing devsw.c");
    fclose(fp);
    return 1;
  }
  (void)fclose(fp);
  if (moveifchanged("devsw.c.tmp", "devsw.c") != 0) {
    warn("error renaming devsw.c");
    return (1);
  }
  return (0);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<read_memory>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  movl   $0x0,-0x8(%rbp)
  jmp    L22
L24:
  mov    $0x1,%edi
  call   <sleep@plt>
  nop
L13:
  mov    -0x20(%rbp),%rax
  mov    (%rax),%edx
  mov    -0x28(%rbp),%rax
  mov    (%rax),%eax
  cmp    %eax,%edx
  je     L13
  mov    -0x28(%rbp),%rax
  mov    (%rax),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x28(%rbp),%rax
  mov    (%rax),%eax
  lea    0x1(%rax),%edx
  movslq %edx,%rax
  imul   $0x66666667,%rax,%rax
  shr    $0x20,%rax
  sar    %eax
  mov    %edx,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%eax
  mov    %eax,%ecx
  shl    $0x2,%ecx
  add    %eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  mov    -0x28(%rbp),%rdx
  mov    %eax,(%rdx)
  mov    -0x4(%rbp),%edx
  mov    -0x8(%rbp),%eax
  mov    %eax,%esi
  lea    D4(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  addl   $0x1,-0x8(%rbp)
L22:
  cmpl   $0x9,-0x8(%rbp)
  jle    L24
  nop
  nop
  leave
  ret
```

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

tool: D4: Child: element %2d == %2d read from the buffer.


assistant: ```c
void read_memory(int *buffer, int *in, int *out) {
  int i;
  int value;
  for (i = 0; i < 10; i++) {
    sleep(1);
    while (*in == *out)
      ;
    value = buffer[*out];
    *out = (*out + 1) % 5;
    printf("Child: element %2d == %2d read from the buffer.\n", i, value);
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<read_memory>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r13
  mov    %rsi,%r12
  mov    %rdx,%rbp
  mov    $0x0,%ebx
  lea    D6(%rip),%r14
L16:
  mov    $0x1,%edi
  call   <sleep@plt>
  mov    (%r12),%edx
  mov    0x0(%rbp),%eax
L7:
  cmp    %eax,%edx
  je     L7
  movslq %eax,%rdx
  mov    0x0(%r13,%rdx,4),%ecx
  add    $0x1,%eax
  movslq %eax,%rdx
  imul   $0x66666667,%rdx,%rdx
  sar    $0x21,%rdx
  mov    %eax,%esi
  sar    $0x1f,%esi
  sub    %esi,%edx
  lea    (%rdx,%rdx,4),%edx
  sub    %edx,%eax
  mov    %eax,0x0(%rbp)
  mov    %ecx,%edx
  mov    %ebx,%esi
  mov    %r14,%rdi
  call   <printf@plt>
  add    $0x1,%ebx
  cmp    $0xa,%ebx
  jne    L16
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

tool_calls: name: extract_symbolic_data
arguments: tag: D6
type_infered: string

tool: D6: Child: element %2d == %2d read from the buffer.


assistant: ```c
void read_memory(int *buffer, int *in, int *out) {
  int i;
  int value;
  for (i = 0; i < 10; i++) {
    sleep(1);
    while (*in == *out)
      ;
    value = buffer[*out];
    *out = (*out + 1) % 5;
    printf("Child: element %2d == %2d read from the buffer.\n", i, value);
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<read_memory>:
  endbr64
  push   %r14
  xor    %r14d,%r14d
  push   %r13
  lea    D2(%rip),%r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %rdx,%rbx
  nop
L0:
  mov    $0x1,%edi
  call   <sleep@plt>
  mov    0x0(%rbp),%edx
  mov    (%rbx),%eax
  nop
L15:
  cmp    %eax,%edx
  je     L15
  movslq %eax,%rdx
  add    $0x1,%eax
  mov    %r14d,%esi
  mov    %r13,%rdi
  mov    (%r12,%rdx,4),%r8d
  movslq %eax,%rdx
  mov    %eax,%ecx
  add    $0x1,%r14d
  imul   $0x66666667,%rdx,%rdx
  sar    $0x1f,%ecx
  sar    $0x21,%rdx
  sub    %ecx,%edx
  lea    (%rdx,%rdx,4),%edx
  sub    %edx,%eax
  mov    %r8d,%edx
  mov    %eax,(%rbx)
  call   <printf@plt>
  cmp    $0xa,%r14d
  jne    L0
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

tool_calls: name: disassemble_data
arguments: label: D2
datatype: string

tool: D2: Child: element %2d == %2d read from the buffer.


assistant: ```c
void read_memory(int *buffer, int *in, int *out) {
  int i;
  int value;
  for (i = 0; i < 10; i++) {
    sleep(1);
    while (*in == *out)
      ;
    value = buffer[*out];
    *out = (*out + 1) % 5;
    printf("Child: element %2d == %2d read from the buffer.\n", i, value);
  }
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<read_memory>:
  endbr64
  push   %r14
  xor    %r14d,%r14d
  push   %r13
  lea    D2(%rip),%r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %rdx,%rbx
  nop
L21:
  mov    $0x1,%edi
  call   <sleep@plt>
  mov    (%rbx),%eax
  cmp    %eax,0x0(%rbp)
  jne    L6
L7:
  jmp    L7
  nopl   0x0(%rax,%rax,1)
L6:
  movslq %eax,%rdx
  add    $0x1,%eax
  mov    %r14d,%esi
  mov    %r13,%rdi
  mov    (%r12,%rdx,4),%r8d
  movslq %eax,%rdx
  mov    %eax,%ecx
  add    $0x1,%r14d
  imul   $0x66666667,%rdx,%rdx
  sar    $0x1f,%ecx
  sar    $0x21,%rdx
  sub    %ecx,%edx
  lea    (%rdx,%rdx,4),%edx
  sub    %edx,%eax
  mov    %r8d,%edx
  mov    %eax,(%rbx)
  call   <printf@plt>
  cmp    $0xa,%r14d
  jne    L21
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

tool_calls: name: parse_data
arguments: label: D2
type: string

tool: D2: Child: element %2d == %2d read from the buffer.


assistant: ```c
void read_memory(int *buffer, int *in, int *out) {
  int i;
  int value;
  for (i = 0; i < 10; i++) {
    sleep(1);
    while (*in == *out)
      ;
    value = buffer[*out];
    *out = (*out + 1) % 5;
    printf("Child: element %2d == %2d read from the buffer.\n", i, value);
  }
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<shifter>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    -0x14(%rbp),%eax
  mov    %eax,%edi
  call   <isupper@plt>
  test   %rax,%rax
  je     L36
  mov    -0x14(%rbp),%eax
  sub    $0x41,%eax
  mov    %eax,-0x4(%rbp)
  jmp    L22
L36:
  mov    -0x14(%rbp),%eax
  mov    %eax,%edi
  call   <islower@plt>
  test   %rax,%rax
  je     L33
  mov    -0x14(%rbp),%eax
  sub    $0x61,%eax
  mov    %eax,-0x4(%rbp)
  jmp    L22
L33:
  movl   $0x0,-0x4(%rbp)
L22:
  mov    -0x4(%rbp),%eax
  leave
  ret
```

assistant: ```c
int shifter(int character) {
  int result;
  if (isupper(character)) {
    result = character - 'A';
  } else if (islower(character)) {
    result = character - 'a';
  } else {
    result = 0;
  }
  return result;
}
```
user: What is the c source code of the assembly code below?

```asm
<shifter>:
  endbr64
  push   %rbx
  mov    %edi,%ebx
  call   <isupper@plt>
  test   %rax,%rax
  je     L2
  lea    -0x41(%rbx),%eax
L13:
  pop    %rbx
  ret
L2:
  mov    %ebx,%edi
  call   <islower@plt>
  sub    $0x61,%ebx
  test   %rax,%rax
  mov    $0x0,%eax
  cmovne %ebx,%eax
  jmp    L13
```

assistant: ```c
int shifter(int character) {
  int result;
  if (isupper(character)) {
    result = character - 'A';
  } else if (islower(character)) {
    result = character - 'a';
  } else {
    result = 0;
  }
  return result;
}
```
user: What is the c source code of the assembly code below?

```asm
<shifter>:
  endbr64
  push   %rbx
  mov    %edi,%ebx
  call   <isupper@plt>
  test   %rax,%rax
  je     L3
  lea    -0x41(%rbx),%eax
  pop    %rbx
  ret
  cs nopw 0x0(%rax,%rax,1)
L3:
  mov    %ebx,%edi
  sub    $0x61,%ebx
  call   <islower@plt>
  test   %rax,%rax
  mov    $0x0,%eax
  cmovne %ebx,%eax
  pop    %rbx
  ret
```

assistant: ```c
int shifter(int character) {
  int result;
  if (isupper(character)) {
    result = character - 'A';
  } else if (islower(character)) {
    result = character - 'a';
  } else {
    result = 0;
  }
  return result;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<shifter>:
  endbr64
  push   %rbx
  mov    %edi,%ebx
  call   <isupper@plt>
  test   %rax,%rax
  je     L7
  lea    -0x41(%rbx),%eax
  pop    %rbx
  ret
  cs nopw 0x0(%rax,%rax,1)
L7:
  mov    %ebx,%edi
  sub    $0x61,%ebx
  call   <islower@plt>
  test   %rax,%rax
  mov    $0x0,%eax
  cmovne %ebx,%eax
  pop    %rbx
  ret
```

assistant: ```c
int shifter(int character) {
  int result;
  if (isupper(character)) {
    result = character - 'A';
  } else if (islower(character)) {
    result = character - 'a';
  } else {
    result = 0;
  }
  return result;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<xor_hamming_distance>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  movl   $0x0,-0x10(%rbp)
  movq   $0x0,-0x8(%rbp)
  jmp    L26
L0:
  movl   $0x0,-0xc(%rbp)
  jmp    L20
L27:
  mov    -0x18(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%edx
  mov    -0x20(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  xor    %edx,%eax
  movzbl %al,%edx
  mov    -0xc(%rbp),%eax
  mov    %eax,%ecx
  sar    %cl,%edx
  mov    %edx,%eax
  and    $0x1,%eax
  test   %eax,%eax
  je     L45
  addl   $0x1,-0x10(%rbp)
L45:
  addl   $0x1,-0xc(%rbp)
L20:
  cmpl   $0x7,-0xc(%rbp)
  jle    L27
  addq   $0x1,-0x8(%rbp)
L26:
  mov    -0x8(%rbp),%rax
  cmp    -0x28(%rbp),%rax
  jb     L0
  mov    -0x10(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int xor_hamming_distance(const unsigned char *a, const unsigned char *b, size_t len) {
  int numdiff = 0;
  for (size_t i = 0; i < len; ++i) {
    for (int bit = 0; bit < 8; ++bit) {
      if ((a[i] & (1 << bit)) != (b[i] & (1 << bit))) {
        ++numdiff;
      }
    }
  }
  return numdiff;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<xor_hamming_distance>:
  endbr64
  mov    %rdi,%r10
  mov    $0x0,%r9d
  mov    $0x0,%edi
  test   %rdx,%rdx
  jne    L27
L9:
  mov    %edi,%eax
  ret
L31:
  add    $0x1,%r9
  cmp    %r9,%rdx
  je     L9
L27:
  movzbl (%r10,%r9,1),%r8d
  xor    (%rsi,%r9,1),%r8b
  movzbl %r8b,%r8d
  mov    $0x0,%ecx
L11:
  mov    %r8d,%eax
  sar    %cl,%eax
  and    $0x1,%eax
  cmp    $0x1,%eax
  sbb    $0xffffffff,%edi
  add    $0x1,%ecx
  cmp    $0x8,%ecx
  jne    L11
  jmp    L31
```

assistant: ```c
int xor_hamming_distance(const unsigned char *a, const unsigned char *b, size_t len) {
  int numdiff = 0;
  for (size_t i = 0; i < len; ++i) {
    for (int bit = 0; bit < 8; ++bit) {
      if ((a[i] & (1 << bit)) != (b[i] & (1 << bit))) {
        ++numdiff;
      }
    }
  }
  return numdiff;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<xor_hamming_distance>:
  endbr64
  mov    %rdi,%r10
  test   %rdx,%rdx
  je     L10
  xor    %r9d,%r9d
  xor    %r8d,%r8d
  nopw   0x0(%rax,%rax,1)
L26:
  movzbl (%r10,%r9,1),%edi
  xor    (%rsi,%r9,1),%dil
  xor    %ecx,%ecx
  movzbl %dil,%edi
  nopw   0x0(%rax,%rax,1)
L20:
  mov    %edi,%eax
  sar    %cl,%eax
  and    $0x1,%eax
  cmp    $0x1,%eax
  sbb    $0xffffffff,%r8d
  add    $0x1,%ecx
  cmp    $0x8,%ecx
  jne    L20
  add    $0x1,%r9
  cmp    %r9,%rdx
  jne    L26
  mov    %r8d,%eax
  ret
L10:
  xor    %r8d,%r8d
  mov    %r8d,%eax
  ret
```

assistant: ```c
int xor_hamming_distance(const unsigned char *a, const unsigned char *b, size_t len) {
  int numdiff = 0;
  for (size_t i = 0; i < len; ++i) {
    for (int bit = 0; bit < 8; ++bit) {
      if ((a[i] & (1 << bit)) != (b[i] & (1 << bit))) {
        ++numdiff;
      }
    }
  }
  return numdiff;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<xor_hamming_distance>:
  endbr64
  mov    %rdi,%r8
  mov    %rsi,%r9
  test   %rdx,%rdx
  je     L14
  xor    %esi,%esi
  xor    %eax,%eax
  nopl   0x0(%rax,%rax,1)
L12:
  movzbl (%r9,%rsi,1),%ecx
  xor    (%r8,%rsi,1),%cl
  mov    %ecx,%edi
  and    $0x1,%edi
  cmp    $0x1,%dil
  mov    %ecx,%edi
  sbb    $0xffffffff,%eax
  and    $0x2,%edi
  cmp    $0x1,%dil
  mov    %ecx,%edi
  sbb    $0xffffffff,%eax
  and    $0x4,%edi
  cmp    $0x1,%dil
  mov    %ecx,%edi
  sbb    $0xffffffff,%eax
  and    $0x8,%edi
  cmp    $0x1,%dil
  mov    %ecx,%edi
  sbb    $0xffffffff,%eax
  and    $0x10,%edi
  cmp    $0x1,%dil
  mov    %ecx,%edi
  sbb    $0xffffffff,%eax
  and    $0x20,%edi
  cmp    $0x1,%dil
  mov    %ecx,%edi
  sbb    $0xffffffff,%eax
  and    $0x40,%edi
  cmp    $0x1,%dil
  sbb    $0xffffffff,%eax
  shr    $0x7,%cl
  cmp    $0x1,%cl
  sbb    $0xffffffff,%eax
  add    $0x1,%rsi
  cmp    %rsi,%rdx
  jne    L12
  ret
L14:
  xor    %eax,%eax
  ret
```

assistant: ```c
int xor_hamming_distance(const unsigned char *a, const unsigned char *b, size_t len) {
  int numdiff = 0;
  for (size_t i = 0; i < len; ++i) {
    for (int bit = 0; bit < 8; ++bit) {
      if ((a[i] & (1 << bit)) != (b[i] & (1 << bit))) {
        ++numdiff;
      }
    }
  }
  return numdiff;
}
```