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

```asm
<get_next_token>:
  endbr64
  push   %r13
  mov    %esi,%r13d
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  mov    %esi,%ebx
  sub    $0x8,%rsp
  test   %rdi,%rdi
  je     L75
  test   %rdx,%rdx
  je     L75
  cmpb   $0x0,(%r12)
  jne    L132
  jmp    L2
  nopw   0x0(%rax,%rax,1)
L99:
  add    $0x1,%r12
L132:
  movsbl (%r12),%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L99
  movzbl (%r12),%eax
  test   %al,%al
  je     L60
  cmp    %r13b,%al
  je     L60
  mov    %rbp,%rcx
  xor    %edx,%edx
  jmp    L186
L40:
  cmp    %bl,%al
  je     L6
  add    $0x1,%rcx
  cmp    $0xa0,%edx
  je     L26
L186:
  add    $0x1,%r12
  mov    %al,(%rcx)
  movslq %edx,%rsi
  add    $0x1,%edx
  movzbl (%r12),%eax
  test   %al,%al
  jne    L40
L6:
  movslq %edx,%rax
  cmp    $0xa0,%edx
  je     L26
L50:
  movb   $0x0,0x0(%rbp,%rax,1)
  lea    0x0(%rbp,%rsi,1),%rbx
  lea    -0x1(%rbp,%rsi,1),%rbp
  sub    %rsi,%rbp
  jmp    L112
  nopl   0x0(%rax,%rax,1)
L111:
  movb   $0x0,(%rbx)
  sub    $0x1,%rbx
  cmp    %rbx,%rbp
  je     L188
L112:
  movsbl (%rbx),%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L111
L188:
  xor    %eax,%eax
  cmp    %r13b,(%r12)
  sete   %al
  add    $0x8,%rsp
  add    %rax,%r12
  pop    %rbx
  pop    %rbp
  mov    %r12,%rax
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax,%rax,1)
L75:
  lea    D27(%rip),%rdi
  call   <error@plt>
  cmpb   $0x0,(%r12)
  jne    L132
L2:
  lea    D1(%rip),%rdi
  call   <error@plt>
  jmp    L132
L26:
  lea    D26(%rip),%rdi
  call   <error@plt>
  mov    $0x9f,%esi
  mov    $0xa0,%eax
  jmp    L50
L60:
  movb   $0x0,0x0(%rbp)
  jmp    L188
```

tool_calls: name: retrieve_data
arguments: tag: D27
data_type: string
name: retrieve_data
arguments: tag: D1
data_type: string
name: retrieve_data
arguments: tag: D26
data_type: string

tool: D27: Error: invalid input to 'get_next_token'.

tool: D1: Error: argument token expected in 'use description'.

tool: D26: Error: field too long in 'use description'.

assistant: ```c
char *get_next_token(char *p, char div, char *value) {
  int n;
  if (p == NULL || value == NULL)
    error("Error: invalid input to 'get_next_token'.");
  if (*p == '\0')
    error("Error: argument token expected in 'use description'.");
  while (isspace(*p))
    ++p;
  for (n = 0; *p != div && *p != '\0' && n < 160; n++)
    value[n] = *(p++);
  if (n >= 160)
    error("Error: field too long in 'use description'.");
  value[n] = '\0';
  while (--n >= 0 && isspace(value[n]))
    value[n] = '\0';
  if (*p == div)
    ++p;
  return p;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<ptr_not_null>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %esi,-0xc(%rbp)
  mov    %rdx,-0x18(%rbp)
  mov    %rcx,-0x20(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  setne  %al
  movzbl %al,%edx
  mov    -0x20(%rbp),%rcx
  mov    -0xc(%rbp),%esi
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <ok@plt>
  cmpq   $0x0,-0x18(%rbp)
  jne    L5
  lea    D8(%rip),%rax
  mov    %rax,%rdi
  call   <putstr@plt>
  lea    D17(%rip),%rax
  mov    %rax,%rdi
  call   <putstr@plt>
L5:
  nop
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D8
type_infered: string
name: extract_symbolic_data
arguments: data_label: D17
type_infered: string

tool: D8: #         got: NULL


tool: D17: #    expected: anything else


assistant: ```c
void ptr_not_null(const char *file, unsigned int line, void *got, const char *name) {
  ok(file, line, got != NULL, name);
  if (got == NULL) {
    putstr("#         got: "
           "NULL\n");
    putstr("#    expected: "
           "anything else\n");
  }
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<ptr_not_null>:
  endbr64
  push   %rbx
  mov    %rdx,%rbx
  test   %rdx,%rdx
  setne  %dl
  movzbl %dl,%edx
  call   <ok@plt>
  test   %rbx,%rbx
  je     L14
L4:
  pop    %rbx
  ret
L14:
  lea    D19(%rip),%rdi
  call   <putstr@plt>
  lea    D11(%rip),%rdi
  call   <putstr@plt>
  jmp    L4
```

tool_calls: name: parse_data
arguments: data_label: D19
type_infered: string
name: parse_data
arguments: data_label: D11
type_infered: string

tool: D19: #         got: NULL


tool: D11: #    expected: anything else


assistant: ```c
void ptr_not_null(const char *file, unsigned int line, void *got, const char *name) {
  ok(file, line, got != NULL, name);
  if (got == NULL) {
    putstr("#         got: "
           "NULL\n");
    putstr("#    expected: "
           "anything else\n");
  }
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<ptr_not_null>:
  endbr64
  push   %rbx
  test   %rdx,%rdx
  mov    %rdx,%rbx
  setne  %dl
  movzbl %dl,%edx
  call   <ok@plt>
  test   %rbx,%rbx
  je     L3
  pop    %rbx
  ret
  nopl   (%rax)
L3:
  lea    D5(%rip),%rdi
  call   <putstr@plt>
  lea    D14(%rip),%rdi
  pop    %rbx
  jmp    1060 <putstr@plt>
```

tool_calls: name: retrieve_data
arguments: data_tag: D5
data_type: string
name: retrieve_data
arguments: data_tag: D14
data_type: string

tool: D5: #         got: NULL


tool: D14: #    expected: anything else


assistant: ```c
void ptr_not_null(const char *file, unsigned int line, void *got, const char *name) {
  ok(file, line, got != NULL, name);
  if (got == NULL) {
    putstr("#         got: "
           "NULL\n");
    putstr("#    expected: "
           "anything else\n");
  }
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<ptr_not_null>:
  endbr64
  push   %rbx
  test   %rdx,%rdx
  mov    %rdx,%rbx
  setne  %dl
  movzbl %dl,%edx
  call   <ok@plt>
  test   %rbx,%rbx
  je     L4
  pop    %rbx
  ret
  nopl   (%rax)
L4:
  lea    D0(%rip),%rdi
  call   <putstr@plt>
  lea    D13(%rip),%rdi
  pop    %rbx
  jmp    1060 <putstr@plt>
```

tool_calls: name: parse_data
arguments: data_tag: D0
type_infered: string
name: parse_data
arguments: data_tag: D13
type_infered: string

tool: D0: #         got: NULL


tool: D13: #    expected: anything else


assistant: ```c
void ptr_not_null(const char *file, unsigned int line, void *got, const char *name) {
  ok(file, line, got != NULL, name);
  if (got == NULL) {
    putstr("#         got: "
           "NULL\n");
    putstr("#    expected: "
           "anything else\n");
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<is_lilo_br>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x4f4c494c,-0xc(%rbp)
  lea    -0xc(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    $0x4,%ecx
  mov    $0x6,%esi
  mov    %rax,%rdi
  call   <contains_data@plt>
  test   %rax,%rax
  jne    L0
  lea    -0xc(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    $0x4,%ecx
  mov    $0x2,%esi
  mov    %rax,%rdi
  call   <contains_data@plt>
  test   %rax,%rax
  je     L14
L0:
  mov    $0x1,%eax
  jmp    L39
L14:
  mov    $0x0,%eax
L39:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L35
  call   <__stack_chk_fail@plt>
L35:
  leave
  ret
```

assistant: ```c
int is_lilo_br(FILE *fp) {
  unsigned char aucRef[] = {'L', 'I', 'L', 'O'};
  return (contains_data(fp, 0x6, aucRef, sizeof(aucRef)) || contains_data(fp, 0x2, aucRef, sizeof(aucRef)));
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<is_lilo_br>:
  endbr64
  push   %rbx
  sub    $0x10,%rsp
  mov    %rdi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  movl   $0x4f4c494c,0x4(%rsp)
  lea    0x4(%rsp),%rdx
  mov    $0x4,%ecx
  mov    $0x6,%esi
  call   <contains_data@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  je     L20
L25:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L24
  add    $0x10,%rsp
  pop    %rbx
  ret
L20:
  lea    0x4(%rsp),%rdx
  mov    $0x4,%ecx
  mov    $0x2,%esi
  mov    %rbx,%rdi
  call   <contains_data@plt>
  test   %rax,%rax
  setne  %al
  movzbl %al,%eax
  jmp    L25
L24:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int is_lilo_br(FILE *fp) {
  unsigned char aucRef[] = {'L', 'I', 'L', 'O'};
  return (contains_data(fp, 0x6, aucRef, sizeof(aucRef)) || contains_data(fp, 0x2, aucRef, sizeof(aucRef)));
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<is_lilo_br>:
  endbr64
  push   %r12
  mov    $0x4,%ecx
  mov    $0x6,%esi
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%r12
  movl   $0x4f4c494c,0x4(%rsp)
  mov    %r12,%rdx
  call   <contains_data@plt>
  mov    %rax,%r8
  mov    $0x1,%eax
  test   %r8,%r8
  je     L18
L24:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L15
  add    $0x18,%rsp
  pop    %rbp
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L18:
  mov    $0x4,%ecx
  mov    %r12,%rdx
  mov    $0x2,%esi
  mov    %rbp,%rdi
  call   <contains_data@plt>
  test   %rax,%rax
  setne  %al
  movzbl %al,%eax
  jmp    L24
L15:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int is_lilo_br(FILE *fp) {
  unsigned char aucRef[] = {'L', 'I', 'L', 'O'};
  return (contains_data(fp, 0x6, aucRef, sizeof(aucRef)) || contains_data(fp, 0x2, aucRef, sizeof(aucRef)));
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<is_lilo_br>:
  endbr64
  push   %r12
  mov    $0x4,%ecx
  mov    $0x6,%esi
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%r12
  movl   $0x4f4c494c,0x4(%rsp)
  mov    %r12,%rdx
  call   <contains_data@plt>
  mov    %rax,%r8
  mov    $0x1,%eax
  test   %r8,%r8
  je     L8
L21:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L3
  add    $0x18,%rsp
  pop    %rbp
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L8:
  mov    $0x4,%ecx
  mov    %r12,%rdx
  mov    $0x2,%esi
  mov    %rbp,%rdi
  call   <contains_data@plt>
  test   %rax,%rax
  setne  %al
  movzbl %al,%eax
  jmp    L21
L3:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int is_lilo_br(FILE *fp) {
  unsigned char aucRef[] = {'L', 'I', 'L', 'O'};
  return (contains_data(fp, 0x6, aucRef, sizeof(aucRef)) || contains_data(fp, 0x2, aucRef, sizeof(aucRef)));
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<t>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   $0x13
  push   $0x12
  push   $0x11
  push   $0x10
  push   $0xf
  push   $0xe
  push   $0xd
  push   $0xc
  push   $0xb
  push   $0xa
  push   $0x9
  push   $0x8
  push   $0x7
  push   $0x6
  push   $0x5
  push   $0x4
  push   $0x3
  push   $0x2
  push   $0x1
  push   $0x0
  push   $0x13
  push   $0x12
  push   $0x11
  push   $0x10
  push   $0xf
  push   $0xe
  push   $0xd
  push   $0xc
  push   $0xb
  push   $0xa
  push   $0x9
  push   $0x8
  push   $0x7
  push   $0x6
  mov    $0x5,%r9d
  mov    $0x4,%r8d
  mov    $0x3,%ecx
  mov    $0x2,%edx
  mov    $0x1,%esi
  mov    $0x0,%edi
  call   <d40@plt>
  add    $0x110,%rsp
  nop
  leave
  ret
```

assistant: ```c
void t() {
  d40(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
      15, 16, 17, 18, 19);
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<t>:
  endbr64
  sub    $0x8,%rsp
  push   $0x13
  push   $0x12
  push   $0x11
  push   $0x10
  push   $0xf
  push   $0xe
  push   $0xd
  push   $0xc
  push   $0xb
  push   $0xa
  push   $0x9
  push   $0x8
  push   $0x7
  push   $0x6
  push   $0x5
  push   $0x4
  push   $0x3
  push   $0x2
  push   $0x1
  push   $0x0
  push   $0x13
  push   $0x12
  push   $0x11
  push   $0x10
  push   $0xf
  push   $0xe
  push   $0xd
  push   $0xc
  push   $0xb
  push   $0xa
  push   $0x9
  push   $0x8
  push   $0x7
  push   $0x6
  mov    $0x5,%r9d
  mov    $0x4,%r8d
  mov    $0x3,%ecx
  mov    $0x2,%edx
  mov    $0x1,%esi
  mov    $0x0,%edi
  call   <d40@plt>
  add    $0x118,%rsp
  ret
```

assistant: ```c
void t() {
  d40(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
      15, 16, 17, 18, 19);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<t>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x3,%ecx
  mov    $0x2,%edx
  xor    %edi,%edi
  push   $0x13
  mov    $0x5,%r9d
  mov    $0x4,%r8d
  mov    $0x1,%esi
  push   $0x12
  push   $0x11
  push   $0x10
  push   $0xf
  push   $0xe
  push   $0xd
  push   $0xc
  push   $0xb
  push   $0xa
  push   $0x9
  push   $0x8
  push   $0x7
  push   $0x6
  push   $0x5
  push   $0x4
  push   $0x3
  push   $0x2
  push   $0x1
  push   $0x0
  push   $0x13
  push   $0x12
  push   $0x11
  push   $0x10
  push   $0xf
  push   $0xe
  push   $0xd
  push   $0xc
  push   $0xb
  push   $0xa
  push   $0x9
  push   $0x8
  push   $0x7
  push   $0x6
  call   <d40@plt>
  add    $0x118,%rsp
  ret
```

assistant: ```c
void t() {
  d40(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
      15, 16, 17, 18, 19);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<t>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x3,%ecx
  mov    $0x2,%edx
  xor    %edi,%edi
  push   $0x13
  mov    $0x5,%r9d
  mov    $0x4,%r8d
  mov    $0x1,%esi
  push   $0x12
  push   $0x11
  push   $0x10
  push   $0xf
  push   $0xe
  push   $0xd
  push   $0xc
  push   $0xb
  push   $0xa
  push   $0x9
  push   $0x8
  push   $0x7
  push   $0x6
  push   $0x5
  push   $0x4
  push   $0x3
  push   $0x2
  push   $0x1
  push   $0x0
  push   $0x13
  push   $0x12
  push   $0x11
  push   $0x10
  push   $0xf
  push   $0xe
  push   $0xd
  push   $0xc
  push   $0xb
  push   $0xa
  push   $0x9
  push   $0x8
  push   $0x7
  push   $0x6
  call   <d40@plt>
  add    $0x118,%rsp
  ret
```

assistant: ```c
void t() {
  d40(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
      15, 16, 17, 18, 19);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<checksum>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0xc(%rbp)
  jmp    L2
L12:
  mov    -0x18(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  mov    (%rax),%eax
  add    %eax,-0xc(%rbp)
  subl   $0x2,-0x1c(%rbp)
L2:
  cmpl   $0x1,-0x1c(%rbp)
  jg     L12
  cmpl   $0x1,-0x1c(%rbp)
  jne    L33
  movl   $0x0,-0x10(%rbp)
  mov    -0x18(%rbp),%rax
  mov    (%rax),%eax
  mov    %eax,-0x10(%rbp)
  mov    -0x10(%rbp),%eax
  add    %eax,-0xc(%rbp)
L33:
  mov    -0xc(%rbp),%eax
  sar    $0x10,%eax
  mov    %eax,%edx
  mov    -0xc(%rbp),%eax
  movzwl %ax,%eax
  add    %edx,%eax
  mov    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  sar    $0x10,%eax
  add    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  not    %eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L23
  call   <__stack_chk_fail@plt>
L23:
  leave
  ret
```

assistant: ```c
int checksum(u_int16_t *buf, int nbytes) {
  u_int32_t sum;
  u_int16_t oddbyte;
  sum = 0;
  while (nbytes > 1) {
    sum += *buf++;
    nbytes -= 2;
  }
  if (nbytes == 1) {
    oddbyte = 0;
    *((u_int16_t *)&oddbyte) = *(u_int8_t *)buf;
    sum += oddbyte;
  }
  sum = (sum >> 16) + (sum & 0xffff);
  sum += (sum >> 16);
  return (u_int16_t)~sum;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<checksum>:
  endbr64
  cmp    $0x1,%esi
  jle    L37
  lea    -0x2(%rsi),%ecx
  shr    %ecx
  lea    0x1(%rcx),%eax
  lea    (%rdi,%rax,4),%rdx
  mov    $0x0,%eax
L44:
  add    $0x4,%rdi
  add    -0x4(%rdi),%eax
  cmp    %rdx,%rdi
  jne    L44
  neg    %ecx
  lea    -0x2(%rsi,%rcx,2),%esi
L18:
  cmp    $0x1,%esi
  je     L39
L41:
  mov    %eax,%edx
  sar    $0x10,%edx
  movzwl %ax,%eax
  add    %eax,%edx
  mov    %edx,%eax
  sar    $0x10,%eax
  add    %edx,%eax
  not    %eax
  ret
L37:
  mov    %rdi,%rdx
  mov    $0x0,%eax
  jmp    L18
L39:
  add    (%rdx),%eax
  jmp    L41
```

assistant: ```c
int checksum(u_int16_t *buf, int nbytes) {
  u_int32_t sum;
  u_int16_t oddbyte;
  sum = 0;
  while (nbytes > 1) {
    sum += *buf++;
    nbytes -= 2;
  }
  if (nbytes == 1) {
    oddbyte = 0;
    *((u_int16_t *)&oddbyte) = *(u_int8_t *)buf;
    sum += oddbyte;
  }
  sum = (sum >> 16) + (sum & 0xffff);
  sum += (sum >> 16);
  return (u_int16_t)~sum;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<checksum>:
  endbr64
  cmp    $0x1,%esi
  jle    L36
  sub    $0x2,%esi
  mov    %esi,%ecx
  shr    %ecx
  lea    0x1(%rcx),%eax
  lea    (%rdi,%rax,4),%rdx
  xor    %eax,%eax
  nopl   0x0(%rax)
L21:
  add    $0x4,%rdi
  add    -0x4(%rdi),%eax
  cmp    %rdx,%rdi
  jne    L21
  neg    %ecx
  lea    (%rsi,%rcx,2),%esi
L5:
  cmp    $0x1,%esi
  jne    L28
  add    (%rdx),%eax
L28:
  mov    %eax,%edx
  movzwl %ax,%eax
  sar    $0x10,%edx
  add    %eax,%edx
  mov    %edx,%eax
  sar    $0x10,%eax
  add    %edx,%eax
  not    %eax
  ret
  nopl   0x0(%rax)
L36:
  mov    %rdi,%rdx
  xor    %eax,%eax
  jmp    L5
```

assistant: ```c
int checksum(u_int16_t *buf, int nbytes) {
  u_int32_t sum;
  u_int16_t oddbyte;
  sum = 0;
  while (nbytes > 1) {
    sum += *buf++;
    nbytes -= 2;
  }
  if (nbytes == 1) {
    oddbyte = 0;
    *((u_int16_t *)&oddbyte) = *(u_int8_t *)buf;
    sum += oddbyte;
  }
  sum = (sum >> 16) + (sum & 0xffff);
  sum += (sum >> 16);
  return (u_int16_t)~sum;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<checksum>:
  endbr64
  mov    %rdi,%rdx
  cmp    $0x1,%esi
  jle    L21
  lea    -0x2(%rsi),%r10d
  mov    %r10d,%r9d
  shr    %r9d
  lea    0x1(%r9),%ecx
  cmp    $0x5,%r10d
  jbe    L69
  mov    %rdi,%rax
  mov    %ecx,%edi
  pxor   %xmm0,%xmm0
  shr    $0x2,%edi
  sub    $0x1,%edi
  shl    $0x4,%rdi
  lea    0x10(%rdx,%rdi,1),%rdi
L62:
  movdqu (%rax),%xmm2
  add    $0x10,%rax
  paddd  %xmm2,%xmm0
  cmp    %rax,%rdi
  jne    L62
  movdqa %xmm0,%xmm1
  mov    %ecx,%edi
  psrldq $0x8,%xmm1
  and    $0xfffffffc,%edi
  paddd  %xmm1,%xmm0
  mov    %edi,%r11d
  mov    %edi,%r8d
  movdqa %xmm0,%xmm1
  neg    %r11d
  lea    (%rdx,%r8,4),%r8
  psrldq $0x4,%xmm1
  lea    (%rsi,%r11,2),%esi
  paddd  %xmm1,%xmm0
  movd   %xmm0,%eax
  cmp    %edi,%ecx
  je     L63
L35:
  lea    -0x2(%rsi),%edi
  add    (%r8),%eax
  cmp    $0x1,%edi
  jle    L63
  add    0x4(%r8),%eax
  cmp    $0x5,%esi
  jle    L63
  add    0x8(%r8),%eax
L63:
  mov    %ecx,%esi
  mov    %r9d,%ecx
  neg    %ecx
  lea    (%rdx,%rsi,4),%rdx
  lea    (%r10,%rcx,2),%esi
L32:
  cmp    $0x1,%esi
  jne    L4
  add    (%rdx),%eax
L4:
  mov    %eax,%edx
  movzwl %ax,%eax
  sar    $0x10,%edx
  add    %eax,%edx
  mov    %edx,%eax
  sar    $0x10,%eax
  add    %edx,%eax
  not    %eax
  ret
  nopl   0x0(%rax,%rax,1)
L21:
  xor    %eax,%eax
  jmp    L32
L69:
  mov    %rdi,%r8
  xor    %eax,%eax
  jmp    L35
```

assistant: ```c
int checksum(u_int16_t *buf, int nbytes) {
  u_int32_t sum;
  u_int16_t oddbyte;
  sum = 0;
  while (nbytes > 1) {
    sum += *buf++;
    nbytes -= 2;
  }
  if (nbytes == 1) {
    oddbyte = 0;
    *((u_int16_t *)&oddbyte) = *(u_int8_t *)buf;
    sum += oddbyte;
  }
  sum = (sum >> 16) + (sum & 0xffff);
  sum += (sum >> 16);
  return (u_int16_t)~sum;
}
```
user: Translate the below assembly code into C programming language:

```asm
<cvCeil>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  movsd  %xmm0,-0x18(%rbp)
  movsd  -0x18(%rbp),%xmm0
  cvttsd2si %xmm0,%eax
  mov    %eax,-0x4(%rbp)
  pxor   %xmm1,%xmm1
  cvtsi2sdl -0x4(%rbp),%xmm1
  movsd  -0x18(%rbp),%xmm0
  comisd %xmm1,%xmm0
  seta   %al
  movzbl %al,%edx
  mov    -0x4(%rbp),%eax
  add    %edx,%eax
  pop    %rbp
  ret
```

assistant: ```c
int cvCeil(double value) {
  int i = (int)value;
  return i + (i < value);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<cvCeil>:
  endbr64
  cvttsd2si %xmm0,%edx
  pxor   %xmm1,%xmm1
  cvtsi2sd %edx,%xmm1
  comisd %xmm1,%xmm0
  seta   %al
  movzbl %al,%eax
  add    %edx,%eax
  ret
```

assistant: ```c
int cvCeil(double value) {
  int i = (int)value;
  return i + (i < value);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<cvCeil>:
  endbr64
  cvttsd2si %xmm0,%edx
  pxor   %xmm1,%xmm1
  xor    %eax,%eax
  cvtsi2sd %edx,%xmm1
  comisd %xmm1,%xmm0
  seta   %al
  add    %edx,%eax
  ret
```

assistant: ```c
int cvCeil(double value) {
  int i = (int)value;
  return i + (i < value);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<cvCeil>:
  endbr64
  cvttsd2si %xmm0,%edx
  pxor   %xmm1,%xmm1
  xor    %eax,%eax
  cvtsi2sd %edx,%xmm1
  comisd %xmm1,%xmm0
  seta   %al
  add    %edx,%eax
  ret
```

assistant: ```c
int cvCeil(double value) {
  int i = (int)value;
  return i + (i < value);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<xstrmerge1>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  cmpq   $0x0,-0x28(%rbp)
  jne    L21
  cmpq   $0x0,-0x30(%rbp)
  jne    L21
  mov    $0x0,%eax
  jmp    L24
L21:
  cmpq   $0x0,-0x28(%rbp)
  jne    L11
  mov    -0x30(%rbp),%rax
  mov    %rax,%rdi
  call   <xstrdup@plt>
  jmp    L24
L11:
  cmpq   $0x0,-0x30(%rbp)
  jne    L33
  mov    -0x28(%rbp),%rax
  jmp    L24
L33:
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,%rbx
  mov    -0x30(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    %rbx,%rax
  add    $0x1,%rax
  mov    %rax,%rdi
  call   <xmalloc@plt>
  mov    %rax,-0x18(%rbp)
  mov    -0x28(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    -0x30(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcat@plt>
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <xfree@plt>
  mov    -0x18(%rbp),%rax
L24:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
char *xstrmerge1(char *str1, char const *str2) {
  char *res;
  if (str1 == NULL && str2 == NULL)
    return NULL;
  if (str1 == NULL)
    return xstrdup(str2);
  if (str2 == NULL)
    return str1;
  res = (char *)xmalloc(strlen(str1) + strlen(str2) + 1);
  strcpy(res, str1);
  strcat(res, str2);
  xfree(str1);
  return res;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<xstrmerge1>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r12
  or     %rsi,%r12
  je     L24
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  test   %rdi,%rdi
  je     L20
  mov    %rdi,%r12
  test   %rsi,%rsi
  je     L24
  call   <strlen@plt>
  mov    %rax,%r12
  mov    %rbp,%rdi
  call   <strlen@plt>
  lea    0x1(%r12,%rax,1),%rdi
  call   <xmalloc@plt>
  mov    %rax,%r12
  mov    %rbx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <strcat@plt>
  mov    %rbx,%rdi
  call   <xfree@plt>
L24:
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L20:
  mov    %rsi,%rdi
  call   <xstrdup@plt>
  mov    %rax,%r12
  jmp    L24
```

assistant: ```c
char *xstrmerge1(char *str1, char const *str2) {
  char *res;
  if (str1 == NULL && str2 == NULL)
    return NULL;
  if (str1 == NULL)
    return xstrdup(str2);
  if (str2 == NULL)
    return str1;
  res = (char *)xmalloc(strlen(str1) + strlen(str2) + 1);
  strcpy(res, str1);
  strcat(res, str2);
  xfree(str1);
  return res;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<xstrmerge1>:
  endbr64
  push   %r13
  mov    %rdi,%r13
  push   %r12
  push   %rbp
  or     %rsi,%r13
  je     L13
  mov    %rdi,%rbp
  mov    %rsi,%r12
  test   %rdi,%rdi
  je     L5
  mov    %rdi,%r13
  test   %rsi,%rsi
  je     L13
  call   <strlen@plt>
  mov    %r12,%rdi
  mov    %rax,%r13
  call   <strlen@plt>
  lea    0x1(%r13,%rax,1),%rdi
  call   <xmalloc@plt>
  mov    %rbp,%rsi
  mov    %rax,%r13
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    %r13,%rdi
  mov    %r12,%rsi
  call   <strcat@plt>
  mov    %rbp,%rdi
  call   <xfree@plt>
L13:
  mov    %r13,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax,%rax,1)
L5:
  pop    %rbp
  mov    %rsi,%rdi
  pop    %r12
  pop    %r13
  jmp    10e0 <xstrdup@plt>
```

assistant: ```c
char *xstrmerge1(char *str1, char const *str2) {
  char *res;
  if (str1 == NULL && str2 == NULL)
    return NULL;
  if (str1 == NULL)
    return xstrdup(str2);
  if (str2 == NULL)
    return str1;
  res = (char *)xmalloc(strlen(str1) + strlen(str2) + 1);
  strcpy(res, str1);
  strcat(res, str2);
  xfree(str1);
  return res;
}
```