ylfeng/ReF-Decompile-dataset huggingface dataset:
user: What is the c source code of the assembly code below?

```asm
<choose_bm_space>:
  endbr64
  mov    $0x0,%eax
  cmp    $0x7f,%rdi
  jbe    L2
  lea    -0x80(%rdi),%rdx
  mov    $0x100,%eax
  cmp    $0x18ffffff,%rdx
  ja     L2
  sub    $0x8,%rdi
  cmp    $0x1000001,%rdi
  sbb    %rax,%rax
  and    $0xffffffffffffff88,%rax
  sub    $0xffffffffffffff80,%rax
L2:
  ret
```

assistant: ```c
unsigned long choose_bm_space(unsigned long devsize) {
  if (devsize < 64 * 2)
    return 0;
  if (devsize - 64 * 2 >= 200 * 1024 * 1024 * 2)
    return 128 * 2;
  if (devsize - 4 * 2 > 8 * 1024 * 1024 * 2)
    return 64 * 2;
  return 4 * 2;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<choose_bm_space>:
  endbr64
  xor    %eax,%eax
  cmp    $0x7f,%rdi
  jbe    L3
  lea    -0x80(%rdi),%rdx
  mov    $0x100,%eax
  cmp    $0x18ffffff,%rdx
  ja     L3
  sub    $0x8,%rdi
  cmp    $0x1000001,%rdi
  sbb    %rax,%rax
  and    $0xffffffffffffff88,%rax
  sub    $0xffffffffffffff80,%rax
L3:
  ret
```

assistant: ```c
unsigned long choose_bm_space(unsigned long devsize) {
  if (devsize < 64 * 2)
    return 0;
  if (devsize - 64 * 2 >= 200 * 1024 * 1024 * 2)
    return 128 * 2;
  if (devsize - 4 * 2 > 8 * 1024 * 1024 * 2)
    return 64 * 2;
  return 4 * 2;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<choose_bm_space>:
  endbr64
  xor    %eax,%eax
  cmp    $0x7f,%rdi
  jbe    L0
  lea    -0x80(%rdi),%rdx
  mov    $0x100,%eax
  cmp    $0x18ffffff,%rdx
  ja     L0
  sub    $0x8,%rdi
  cmp    $0x1000001,%rdi
  sbb    %rax,%rax
  and    $0xffffffffffffff88,%rax
  sub    $0xffffffffffffff80,%rax
L0:
  ret
```

assistant: ```c
unsigned long choose_bm_space(unsigned long devsize) {
  if (devsize < 64 * 2)
    return 0;
  if (devsize - 64 * 2 >= 200 * 1024 * 1024 * 2)
    return 128 * 2;
  if (devsize - 4 * 2 > 8 * 1024 * 1024 * 2)
    return 64 * 2;
  return 4 * 2;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<print_elf_arm_attrs>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  test   %esi,%esi
  jle    L12
  lea    0x10(%rsp),%rax
  movslq %esi,%r12
  xor    %r14d,%r14d
  xor    %r15d,%r15d
  mov    %rax,0x8(%rsp)
  lea    D24(%rip),%r13
  jmp    L77
  nopl   0x0(%rax)
L60:
  movslq %r15d,%rbx
  add    $0x1,%r15d
L6:
  movzbl 0x0(%rbp,%r14,1),%esi
  xor    %eax,%eax
  mov    %r13,%rdi
  call   <printf@plt>
  movzbl 0x0(%rbp,%r14,1),%eax
  lea    -0x30(%rax),%esi
  cmp    $0x48,%sil
  mov    $0x2e,%esi
  cmovae %esi,%eax
  add    $0x1,%r14
  mov    %al,0x10(%rsp,%rbx,1)
  cmp    %r12,%r14
  je     L37
L77:
  test   $0xf,%r14b
  jne    L60
  test   %r15d,%r15d
  jne    L71
L30:
  mov    $0xa,%edi
  mov    $0x1,%r15d
  xor    %ebx,%ebx
  call   <putchar@plt>
  jmp    L6
  nopl   0x0(%rax,%rax,1)
L71:
  mov    0x8(%rsp),%rsi
  movslq %r15d,%rcx
  lea    D54(%rip),%rdi
  xor    %eax,%eax
  movb   $0x0,0x10(%rsp,%rcx,1)
  call   <printf@plt>
  jmp    L30
  nopl   (%rax)
L12:
  lea    0x10(%rsp),%rax
  xor    %r15d,%r15d
  mov    %rax,0x8(%rsp)
  nopl   (%rax)
L37:
  mov    0x8(%rsp),%rsi
  movslq %r15d,%rcx
  lea    D47(%rip),%rdi
  xor    %eax,%eax
  movb   $0x0,0x10(%rsp,%rcx,1)
  call   <printf@plt>
  movzbl 0x0(%rbp),%esi
  lea    D29(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    0x1(%rbp),%esi
  lea    D40(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D9(%rip),%rdi
  xor    %eax,%eax
  lea    0x5(%rbp),%rsi
  call   <printf@plt>
  mov    $0xa,%edi
  call   <putchar@plt>
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L36
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L36:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_label: D24
datatype: string
name: retrieve_data
arguments: data_label: D54
datatype: string
name: retrieve_data
arguments: data_label: D47
datatype: string
name: retrieve_data
arguments: data_label: D29
datatype: string
name: retrieve_data
arguments: data_label: D40
datatype: string
name: retrieve_data
arguments: data_label: D9
datatype: string

tool: D24:  %02x

tool: D54:   %s

tool: D47:   %s



tool: D29:    Version: %c


tool: D40:       Size: %d


tool: D9: VendorName: %s


assistant: ```c
void print_elf_arm_attrs(unsigned char *attrs, int sh_size) {
  int n;
  char text[17];
  int ptr;
  ptr = 0;
  for (n = 0; n < sh_size; n++) {
    if ((n % 16) == 0) {
      if (ptr != 0) {
        text[ptr] = 0;
        printf("  %s", text);
        ptr = 0;
      }
      printf("\n");
    }
    printf(" %02x", attrs[n]);
    if (attrs[n] >= 48 && attrs[n] < 120) {
      text[ptr++] = attrs[n];
    } else {
      text[ptr++] = '.';
    }
  }
  text[ptr] = 0;
  printf("  %s\n\n", text);
  printf("   Version: %c\n", attrs[0]);
  printf("      Size: %d\n", attrs[1] | (attrs[2] << 8) | (attrs[3] << 16) | (attrs[4] << 24));
  printf("VendorName: %s\n", attrs + 5);
  printf("\n");
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<get_file_frequencies>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L19
L16:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movl   $0x0,(%rax)
  addl   $0x1,-0x4(%rbp)
L19:
  cmpl   $0xff,-0x4(%rbp)
  jle    L16
  jmp    L28
L18:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  add    $0x1,%edx
  mov    %edx,(%rax)
L28:
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <getc@plt>
  mov    %eax,-0x4(%rbp)
  mov    D5(%rip),%rax
  mov    (%rax),%eax
  cmp    %eax,-0x4(%rbp)
  jne    L18
  mov    -0x20(%rbp),%rax
  leave
  ret
```

assistant: ```c
int *get_file_frequencies(FILE *file, int frequencies[]) {
  int c;
  for (c = 0; c < 256; c++)
    frequencies[c] = 0;
  while (c = getc(file), c != EOF)
    frequencies[c]++;
  return frequencies;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<get_file_frequencies>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  mov    %rsi,%rbx
  mov    %rsi,%rax
  lea    0x400(%rsi),%rdx
L18:
  movl   $0x0,(%rax)
  add    $0x4,%rax
  cmp    %rdx,%rax
  jne    L18
  jmp    L3
L15:
  cltq
  addl   $0x1,(%rbx,%rax,4)
L3:
  mov    %rbp,%rdi
  call   <getc@plt>
  mov    D0(%rip),%rdx
  cmp    %eax,(%rdx)
  jne    L15
  mov    %rbx,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
int *get_file_frequencies(FILE *file, int frequencies[]) {
  int c;
  for (c = 0; c < 256; c++)
    frequencies[c] = 0;
  while (c = getc(file), c != EOF)
    frequencies[c]++;
  return frequencies;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<get_file_frequencies>:
  endbr64
  push   %r12
  mov    %rsi,%rcx
  xor    %eax,%eax
  mov    %rsi,%r12
  push   %rbp
  mov    D7(%rip),%rbp
  push   %rbx
  mov    %rdi,%rbx
  lea    0x8(%rsi),%rdi
  and    $0xfffffffffffffff8,%rdi
  movq   $0x0,(%rsi)
  movq   $0x0,0x3f8(%rsi)
  sub    %rdi,%rcx
  add    $0x400,%ecx
  shr    $0x3,%ecx
  rep stos %rax,%es:(%rdi)
  jmp    L11
  nopl   (%rax)
L5:
  cltq
  addl   $0x1,(%r12,%rax,4)
L11:
  mov    %rbx,%rdi
  call   <getc@plt>
  cmp    %eax,0x0(%rbp)
  jne    L5
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
int *get_file_frequencies(FILE *file, int frequencies[]) {
  int c;
  for (c = 0; c < 256; c++)
    frequencies[c] = 0;
  while (c = getc(file), c != EOF)
    frequencies[c]++;
  return frequencies;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<get_file_frequencies>:
  endbr64
  push   %r12
  mov    %rsi,%rcx
  xor    %eax,%eax
  mov    %rsi,%r12
  push   %rbp
  mov    D1(%rip),%rbp
  push   %rbx
  mov    %rdi,%rbx
  lea    0x8(%rsi),%rdi
  and    $0xfffffffffffffff8,%rdi
  movq   $0x0,(%rsi)
  movq   $0x0,0x3f8(%rsi)
  sub    %rdi,%rcx
  add    $0x400,%ecx
  shr    $0x3,%ecx
  rep stos %rax,%es:(%rdi)
  jmp    L6
  nopl   (%rax)
L19:
  cltq
  addl   $0x1,(%r12,%rax,4)
L6:
  mov    %rbx,%rdi
  call   <getc@plt>
  cmp    %eax,0x0(%rbp)
  jne    L19
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
int *get_file_frequencies(FILE *file, int frequencies[]) {
  int c;
  for (c = 0; c < 256; c++)
    frequencies[c] = 0;
  while (c = getc(file), c != EOF)
    frequencies[c]++;
  return frequencies;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<merge>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r13
  mov    %esi,%r14d
  mov    %edx,%r12d
  mov    %ecx,%ebx
  mov    %r8d,%ebp
  mov    %r8d,%r15d
  sub    %esi,%r15d
  lea    0x4(,%r15,4),%edi
  call   <malloc@plt>
  mov    %rax,%rdi
  test   %r15d,%r15d
  js     L98
  lea    0x1(%r15),%edx
  lea    (%rax,%rdx,4),%r8
  mov    %r14d,%edx
  jmp    L59
L34:
  movslq %edx,%rcx
  mov    0x0(%r13,%rcx,4),%esi
  movslq %ebx,%rcx
  mov    0x0(%r13,%rcx,4),%ecx
  cmp    %ecx,%esi
  jg     L10
  add    $0x1,%edx
  mov    %esi,(%rax)
  jmp    L147
L10:
  add    $0x1,%ebx
  mov    %ecx,(%rax)
  jmp    L147
L65:
  movslq %edx,%rcx
  mov    0x0(%r13,%rcx,4),%ecx
  mov    %ecx,(%rax)
  lea    0x1(%rdx),%edx
L147:
  add    $0x4,%rax
  cmp    %r8,%rax
  je     L98
L59:
  cmp    %edx,%r12d
  setge  %cl
  cmp    %ebx,%ebp
  setge  %sil
  test   %cl,%cl
  je     L1
  test   %sil,%sil
  jne    L34
L1:
  cmp    %ebx,%ebp
  jge    L126
  test   %cl,%cl
  jne    L65
L126:
  cmp    %edx,%r12d
  jge    L147
  test   %sil,%sil
  je     L147
  movslq %ebx,%rcx
  mov    0x0(%r13,%rcx,4),%ecx
  mov    %ecx,(%rax)
  lea    0x1(%rbx),%ebx
  jmp    L147
L98:
  cmp    %ebp,%r14d
  jg     L74
  mov    %rdi,%rax
  sub    %r14d,%ebp
  lea    0x4(%rdi,%rbp,4),%rsi
  movslq %r14d,%r14
  lea    0x0(%r13,%r14,4),%rcx
  sub    %rdi,%rcx
L26:
  mov    (%rax),%edx
  mov    %edx,(%rcx,%rax,1)
  add    $0x4,%rax
  cmp    %rsi,%rax
  jne    L26
L74:
  call   <free@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void merge(int *value, int lfirst, int lsecond, int rfirst, int rsecond) {
  int *m_temp;
  int itr = 0;
  int rep_itr;
  int left_sub = lfirst;
  int right_sub = rfirst;
  m_temp = (int *)malloc(sizeof(int) * (rsecond - lfirst + 1));
  for (itr = 0; itr <= (rsecond - left_sub); itr++) {
    if (lfirst <= lsecond && rfirst <= rsecond) {
      if (value[lfirst] <= value[rfirst])
        m_temp[itr] = value[lfirst++];
      else if (value[rfirst] <= value[lfirst])
        m_temp[itr] = value[rfirst++];
      continue;
    }
    if (lfirst <= lsecond && rfirst > rsecond) {
      m_temp[itr] = value[lfirst++];
      continue;
    }
    if (rfirst <= rsecond && lfirst > lsecond) {
      m_temp[itr] = value[rfirst++];
      continue;
    }
  }
  for (itr = 0, rep_itr = left_sub; rep_itr <= rsecond; rep_itr++, itr++) {
    value[rep_itr] = m_temp[itr];
  }
  free(m_temp);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<merge>:
  endbr64
  push   %r15
  mov    %r8d,%r15d
  push   %r14
  mov    %edx,%r14d
  push   %r13
  movslq %esi,%r13
  push   %r12
  sub    %r13d,%r15d
  mov    %rdi,%r12
  push   %rbp
  lea    0x4(,%r15,4),%edi
  mov    %r8d,%ebp
  push   %rbx
  mov    %ecx,%ebx
  sub    $0x8,%rsp
  call   <malloc@plt>
  mov    %rax,%rdi
  test   %r15d,%r15d
  js     L71
  movslq %r15d,%r15
  mov    %r13d,%edx
  lea    0x4(%rax,%r15,4),%r8
  jmp    L129
  nopl   0x0(%rax,%rax,1)
L11:
  test   %sil,%sil
  je     L92
  movslq %edx,%rcx
  mov    (%r12,%rcx,4),%esi
  movslq %ebx,%rcx
  mov    (%r12,%rcx,4),%ecx
  cmp    %ecx,%esi
  jg     L139
  mov    %esi,(%rax)
  add    $0x1,%edx
L23:
  add    $0x4,%rax
  cmp    %r8,%rax
  je     L71
L129:
  cmp    %edx,%r14d
  setge  %cl
  cmp    %ebp,%ebx
  setle  %sil
  test   %cl,%cl
  jne    L11
L92:
  cmp    %ebp,%ebx
  jle    L118
  test   %cl,%cl
  je     L118
  movslq %edx,%rcx
  add    $0x4,%rax
  add    $0x1,%edx
  mov    (%r12,%rcx,4),%ecx
  mov    %ecx,-0x4(%rax)
  cmp    %r8,%rax
  jne    L129
  nopw   0x0(%rax,%rax,1)
L71:
  cmp    %ebp,%r13d
  jg     L63
  sub    %r13d,%ebp
  lea    (%r12,%r13,4),%rcx
  mov    %rdi,%rax
  lea    0x4(%rdi,%rbp,4),%rsi
  sub    %rdi,%rcx
  nopw   0x0(%rax,%rax,1)
L16:
  mov    (%rax),%edx
  mov    %edx,(%rcx,%rax,1)
  add    $0x4,%rax
  cmp    %rax,%rsi
  jne    L16
L63:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1060 <free@plt>
  nopl   0x0(%rax)
L118:
  cmp    %edx,%r14d
  jge    L23
  test   %sil,%sil
  je     L23
  movslq %ebx,%rcx
  add    $0x1,%ebx
  mov    (%r12,%rcx,4),%ecx
  mov    %ecx,(%rax)
  jmp    L23
  nopl   0x0(%rax,%rax,1)
L139:
  mov    %ecx,(%rax)
  add    $0x1,%ebx
  jmp    L23
```

assistant: ```c
void merge(int *value, int lfirst, int lsecond, int rfirst, int rsecond) {
  int *m_temp;
  int itr = 0;
  int rep_itr;
  int left_sub = lfirst;
  int right_sub = rfirst;
  m_temp = (int *)malloc(sizeof(int) * (rsecond - lfirst + 1));
  for (itr = 0; itr <= (rsecond - left_sub); itr++) {
    if (lfirst <= lsecond && rfirst <= rsecond) {
      if (value[lfirst] <= value[rfirst])
        m_temp[itr] = value[lfirst++];
      else if (value[rfirst] <= value[lfirst])
        m_temp[itr] = value[rfirst++];
      continue;
    }
    if (lfirst <= lsecond && rfirst > rsecond) {
      m_temp[itr] = value[lfirst++];
      continue;
    }
    if (rfirst <= rsecond && lfirst > lsecond) {
      m_temp[itr] = value[rfirst++];
      continue;
    }
  }
  for (itr = 0, rep_itr = left_sub; rep_itr <= rsecond; rep_itr++, itr++) {
    value[rep_itr] = m_temp[itr];
  }
  free(m_temp);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<ip_csum_nocompl>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %edx,-0x34(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x34(%rbp),%eax
  mov    %eax,-0x14(%rbp)
  jmp    L0
L3:
  mov    -0x10(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    (%rax),%rax
  mov    %eax,%edx
  mov    -0x14(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x14(%rbp)
  subq   $0x2,-0x30(%rbp)
  addq   $0x10,-0x10(%rbp)
L0:
  cmpq   $0x1,-0x30(%rbp)
  ja     L3
  cmpq   $0x0,-0x30(%rbp)
  je     L26
  mov    -0x10(%rbp),%rax
  mov    (%rax),%rax
  mov    %eax,%edx
  mov    -0x14(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x14(%rbp)
L26:
  mov    -0x14(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
uint32_t ip_csum_nocompl(const void *d, size_t len, uint32_t sum) {
  const uint8_t *buf = d;
  uint32_t acc = sum;
  uint16_t *word;
  while (len > 1) {
    word = (uint16_t *)buf;
    acc += *word;
    len -= 2;
    buf += 2;
  }
  if (len)
    acc += *buf;
  return (acc);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<ip_csum_nocompl>:
  endbr64
  mov    %edx,%eax
  cmp    $0x1,%rsi
  jbe    L9
  mov    %rdi,%r8
  mov    %rsi,%rcx
L33:
  add    (%r8),%eax
  sub    $0x2,%rcx
  add    $0x10,%r8
  cmp    $0x1,%rcx
  ja     L33
  mov    %rsi,%rdx
  and    $0x1,%edx
  sub    $0x2,%rsi
  shr    %rsi
  add    $0x1,%rsi
  shl    $0x4,%rsi
  add    %rsi,%rdi
L30:
  test   %rdx,%rdx
  je     L39
  add    (%rdi),%eax
L39:
  ret
L9:
  mov    %rsi,%rdx
  jmp    L30
```

assistant: ```c
uint32_t ip_csum_nocompl(const void *d, size_t len, uint32_t sum) {
  const uint8_t *buf = d;
  uint32_t acc = sum;
  uint16_t *word;
  while (len > 1) {
    word = (uint16_t *)buf;
    acc += *word;
    len -= 2;
    buf += 2;
  }
  if (len)
    acc += *buf;
  return (acc);
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<ip_csum_nocompl>:
  endbr64
  cmp    $0x1,%rsi
  jbe    L8
  mov    %rdi,%rcx
  mov    %rsi,%rax
L6:
  sub    $0x2,%rax
  add    (%rcx),%edx
  add    $0x10,%rcx
  cmp    $0x1,%rax
  ja     L6
  mov    %rsi,%rcx
  sub    $0x2,%rsi
  mov    %edx,%eax
  shr    %rsi
  and    $0x1,%ecx
  add    $0x1,%rsi
  shl    $0x4,%rsi
  add    %rsi,%rdi
L23:
  test   %rcx,%rcx
  je     L11
  mov    (%rdi),%eax
  add    %edx,%eax
L11:
  ret
  nopl   0x0(%rax)
L8:
  mov    %edx,%eax
  mov    %rsi,%rcx
  jmp    L23
```

assistant: ```c
uint32_t ip_csum_nocompl(const void *d, size_t len, uint32_t sum) {
  const uint8_t *buf = d;
  uint32_t acc = sum;
  uint16_t *word;
  while (len > 1) {
    word = (uint16_t *)buf;
    acc += *word;
    len -= 2;
    buf += 2;
  }
  if (len)
    acc += *buf;
  return (acc);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<ip_csum_nocompl>:
  endbr64
  mov    %rdi,%r8
  mov    %edx,%eax
  mov    %rsi,%rdi
  cmp    $0x1,%rsi
  jbe    L33
  lea    -0x2(%rsi),%rdx
  mov    %rdx,%r9
  shr    %r9
  add    $0x1,%r9
  cmp    $0x7,%rdx
  jbe    L46
  shr    $0x3,%rdx
  mov    %r8,%rcx
  pxor   %xmm2,%xmm2
  xor    %esi,%esi
  nopl   0x0(%rax,%rax,1)
L68:
  movdqu (%rcx),%xmm0
  movdqu 0x10(%rcx),%xmm3
  add    $0x1,%rsi
  add    $0x40,%rcx
  movdqu -0x20(%rcx),%xmm1
  movdqu -0x10(%rcx),%xmm4
  punpcklqdq %xmm3,%xmm0
  punpcklqdq %xmm4,%xmm1
  shufps $0x88,%xmm1,%xmm0
  paddd  %xmm0,%xmm2
  cmp    %rdx,%rsi
  jne    L68
  movdqa %xmm2,%xmm0
  mov    %rdi,%rdx
  psrldq $0x8,%xmm0
  paddd  %xmm0,%xmm2
  movdqa %xmm2,%xmm0
  psrldq $0x4,%xmm0
  paddd  %xmm0,%xmm2
  movd   %xmm2,%ecx
  add    %ecx,%eax
  lea    0x0(,%rsi,8),%rcx
  shl    $0x6,%rsi
  sub    %rcx,%rdx
  add    %r8,%rsi
L61:
  lea    -0x2(%rdx),%rcx
  add    (%rsi),%eax
  cmp    $0x1,%rcx
  jbe    L7
  lea    -0x4(%rdx),%rcx
  add    0x10(%rsi),%eax
  cmp    $0x1,%rcx
  jbe    L7
  sub    $0x6,%rdx
  add    0x20(%rsi),%eax
  cmp    $0x1,%rdx
  jbe    L7
  add    0x30(%rsi),%eax
L7:
  shl    $0x4,%r9
  and    $0x1,%edi
  add    %r9,%r8
L33:
  test   %rdi,%rdi
  je     L31
  add    (%r8),%eax
L31:
  ret
L46:
  mov    %r8,%rsi
  mov    %rdi,%rdx
  jmp    L61
```

assistant: ```c
uint32_t ip_csum_nocompl(const void *d, size_t len, uint32_t sum) {
  const uint8_t *buf = d;
  uint32_t acc = sum;
  uint16_t *word;
  while (len > 1) {
    word = (uint16_t *)buf;
    acc += *word;
    len -= 2;
    buf += 2;
  }
  if (len)
    acc += *buf;
  return (acc);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<ft_strjoin>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  cmpq   $0x0,-0x38(%rbp)
  je     L37
  cmpq   $0x0,-0x40(%rbp)
  jne    L40
L37:
  mov    $0x0,%eax
  jmp    L48
L40:
  mov    -0x38(%rbp),%rax
  mov    %rax,%rdi
  call   <ft_strlen@plt>
  mov    %eax,%ebx
  mov    -0x40(%rbp),%rax
  mov    %rax,%rdi
  call   <ft_strlen@plt>
  add    %ebx,%eax
  add    $0x1,%eax
  cltq
  mov    %rax,-0x20(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rax,-0x28(%rbp)
  cmpq   $0x0,-0x28(%rbp)
  jne    L41
  mov    $0x0,%eax
  jmp    L48
L41:
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  jmp    L79
L16:
  mov    -0x38(%rbp),%rdx
  lea    0x1(%rdx),%rax
  mov    %rax,-0x38(%rbp)
  mov    -0x28(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    %rcx,-0x28(%rbp)
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
L79:
  mov    -0x38(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L16
  jmp    L32
L5:
  mov    -0x40(%rbp),%rdx
  lea    0x1(%rdx),%rax
  mov    %rax,-0x40(%rbp)
  mov    -0x28(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    %rcx,-0x28(%rbp)
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
L32:
  mov    -0x40(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L5
  mov    -0x28(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x18(%rbp),%rax
L48:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
char *ft_strjoin(char const *s1, char const *s2) {
  unsigned long len;
  char *str;
  char *p_str;
  if (!s1 || !s2)
    return (NULL);
  len = ft_strlen(s1) + ft_strlen(s2) + 0x01;
  if (!(str = (char *)malloc(len * sizeof(*str))))
    return (NULL);
  p_str = str;
  while (*s1)
    *str++ = *s1++;
  while (*s2)
    *str++ = *s2++;
  *str = 0x00;
  return (p_str);
}
```
user: What is the c source code of the assembly code below?

```asm
<ft_strjoin>:
  endbr64
  test   %rdi,%rdi
  je     L58
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  mov    %rsi,%rbx
  test   %rsi,%rsi
  je     L38
  call   <ft_strlen@plt>
  mov    %eax,%r12d
  mov    %rbx,%rdi
  call   <ft_strlen@plt>
  lea    0x1(%r12,%rax,1),%edi
  movslq %edi,%rdi
  call   <malloc@plt>
  mov    %rax,%rdi
  test   %rax,%rax
  je     L6
  movzbl 0x0(%rbp),%ecx
  test   %cl,%cl
  je     L37
  mov    %rax,%rdx
  mov    %rbp,%rsi
  sub    %rax,%rsi
L66:
  mov    %rdx,%rax
  add    $0x1,%rdx
  mov    %cl,(%rax)
  movzbl (%rdx,%rsi,1),%ecx
  test   %cl,%cl
  jne    L66
L11:
  movzbl (%rbx),%eax
  test   %al,%al
  je     L21
L84:
  add    $0x1,%rbx
  add    $0x1,%rdx
  mov    %al,-0x1(%rdx)
  movzbl (%rbx),%eax
  test   %al,%al
  jne    L84
L21:
  movb   $0x0,(%rdx)
L43:
  mov    %rdi,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L37:
  mov    %rax,%rdx
  jmp    L11
L38:
  mov    $0x0,%edi
  jmp    L43
L6:
  mov    $0x0,%edi
  jmp    L43
L58:
  mov    $0x0,%edi
  mov    %rdi,%rax
  ret
```

assistant: ```c
char *ft_strjoin(char const *s1, char const *s2) {
  unsigned long len;
  char *str;
  char *p_str;
  if (!s1 || !s2)
    return (NULL);
  len = ft_strlen(s1) + ft_strlen(s2) + 0x01;
  if (!(str = (char *)malloc(len * sizeof(*str))))
    return (NULL);
  p_str = str;
  while (*s1)
    *str++ = *s1++;
  while (*s2)
    *str++ = *s2++;
  *str = 0x00;
  return (p_str);
}
```
user: Translate the below assembly code into C programming language:

```asm
<ft_strjoin>:
  endbr64
  test   %rdi,%rdi
  je     L53
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rsi,%rbx
  test   %rsi,%rsi
  je     L26
  mov    %rdi,%rbp
  call   <ft_strlen@plt>
  mov    %rbx,%rdi
  mov    %eax,%r12d
  call   <ft_strlen@plt>
  lea    0x1(%r12,%rax,1),%edi
  movslq %edi,%rdi
  call   <malloc@plt>
  test   %rax,%rax
  je     L26
  movzbl 0x0(%rbp),%ecx
  mov    %rax,%rdx
  test   %cl,%cl
  je     L41
  mov    %rbp,%rdi
  sub    %rax,%rdi
  nop
L15:
  mov    %rdx,%rsi
  add    $0x1,%rdx
  mov    %cl,(%rsi)
  movzbl (%rdx,%rdi,1),%ecx
  test   %cl,%cl
  jne    L15
  movzbl (%rbx),%ecx
  test   %cl,%cl
  je     L32
  nopl   0x0(%rax,%rax,1)
L60:
  mov    %cl,(%rdx)
  add    $0x1,%rdx
  add    $0x1,%rbx
L41:
  movzbl (%rbx),%ecx
  test   %cl,%cl
  jne    L60
L32:
  movb   $0x0,(%rdx)
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L26:
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L53:
  xor    %eax,%eax
  ret
```

assistant: ```c
char *ft_strjoin(char const *s1, char const *s2) {
  unsigned long len;
  char *str;
  char *p_str;
  if (!s1 || !s2)
    return (NULL);
  len = ft_strlen(s1) + ft_strlen(s2) + 0x01;
  if (!(str = (char *)malloc(len * sizeof(*str))))
    return (NULL);
  p_str = str;
  while (*s1)
    *str++ = *s1++;
  while (*s2)
    *str++ = *s2++;
  *str = 0x00;
  return (p_str);
}
```