ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<reset_profiler>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    $0x0,%eax
  call   <reset_instruction_counters@plt>
  mov    $0x0,%eax
  call   <reset_memory_counters@plt>
  mov    $0x0,%eax
  call   <reset_nop_counters@plt>
  mov    $0x0,%eax
  call   <reset_source_profile@plt>
  mov    $0x0,%eax
  call   <reset_register_access_counters@plt>
  mov    $0x0,%eax
  call   <reset_segments_access_counters@plt>
  mov    $0x0,%eax
  call   <reset_all_cache_counters@plt>
  nop
  pop    %rbp
  ret
```

assistant: ```c
void reset_profiler() {
  reset_instruction_counters();
  reset_memory_counters();
  reset_nop_counters();
  reset_source_profile();
  reset_register_access_counters();
  reset_segments_access_counters();
  reset_all_cache_counters();
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<reset_profiler>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <reset_instruction_counters@plt>
  mov    $0x0,%eax
  call   <reset_memory_counters@plt>
  mov    $0x0,%eax
  call   <reset_nop_counters@plt>
  mov    $0x0,%eax
  call   <reset_source_profile@plt>
  mov    $0x0,%eax
  call   <reset_register_access_counters@plt>
  mov    $0x0,%eax
  call   <reset_segments_access_counters@plt>
  mov    $0x0,%eax
  call   <reset_all_cache_counters@plt>
  add    $0x8,%rsp
  ret
```

assistant: ```c
void reset_profiler() {
  reset_instruction_counters();
  reset_memory_counters();
  reset_nop_counters();
  reset_source_profile();
  reset_register_access_counters();
  reset_segments_access_counters();
  reset_all_cache_counters();
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<reset_profiler>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <reset_instruction_counters@plt>
  xor    %eax,%eax
  call   <reset_memory_counters@plt>
  xor    %eax,%eax
  call   <reset_nop_counters@plt>
  xor    %eax,%eax
  call   <reset_source_profile@plt>
  xor    %eax,%eax
  call   <reset_register_access_counters@plt>
  xor    %eax,%eax
  call   <reset_segments_access_counters@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  jmp    10d0 <reset_all_cache_counters@plt>
```

assistant: ```c
void reset_profiler() {
  reset_instruction_counters();
  reset_memory_counters();
  reset_nop_counters();
  reset_source_profile();
  reset_register_access_counters();
  reset_segments_access_counters();
  reset_all_cache_counters();
}
```
user: What is the c source code of the assembly code below?

```asm
<match_hostname_elem>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    %ecx,-0x30(%rbp)
  cmpl   $0x0,-0x2c(%rbp)
  jne    L38
  cmpl   $0x0,-0x30(%rbp)
  jne    L38
  mov    $0x0,%eax
  jmp    L103
L38:
  cmpl   $0x0,-0x2c(%rbp)
  je     L102
  cmpl   $0x0,-0x30(%rbp)
  jne    L85
L102:
  mov    $0xffffffff,%eax
  jmp    L103
L85:
  mov    -0x38(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2a,%al
  jne    L62
  movl   $0x1,-0x14(%rbp)
  jmp    L46
L9:
  mov    -0x30(%rbp),%eax
  lea    -0x1(%rax),%ecx
  mov    -0x38(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    -0x2c(%rbp),%eax
  sub    -0x14(%rbp),%eax
  mov    -0x14(%rbp),%esi
  movslq %esi,%rdi
  mov    -0x28(%rbp),%rsi
  add    %rsi,%rdi
  mov    %eax,%esi
  call   <match_hostname_elem>
  test   %eax,%eax
  jne    L49
  mov    $0x0,%eax
  jmp    L103
L49:
  addl   $0x1,-0x14(%rbp)
L46:
  mov    -0x14(%rbp),%eax
  cmp    -0x2c(%rbp),%eax
  jle    L9
  mov    $0xffffffff,%eax
  jmp    L103
L62:
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,%edi
  call   <toupper@plt>
  mov    %rax,%rbx
  mov    -0x38(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,%edi
  call   <toupper@plt>
  cmp    %rax,%rbx
  jne    L25
  mov    -0x30(%rbp),%eax
  lea    -0x1(%rax),%ecx
  mov    -0x38(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    -0x2c(%rbp),%eax
  lea    -0x1(%rax),%esi
  mov    -0x28(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,%rdi
  call   <match_hostname_elem>
  jmp    L103
L25:
  mov    $0xffffffff,%eax
L103:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
int match_hostname_elem(const char *hostname, int helem_len, const char *match, int melem_len) {
  if (!helem_len && !melem_len)
    return 0;
  if (!helem_len || !melem_len)
    return -1;
  if (match[0] == '*') {
    int i;
    for (i = 1; i <= helem_len; i++) {
      if (!match_hostname_elem(hostname + i, helem_len - i, match + 1, melem_len - 1))
        return 0;
    }
    return -1;
  }
  if (toupper((int)(unsigned char)hostname[0]) == toupper((int)(unsigned char)match[0]))
    return match_hostname_elem(hostname + 1, helem_len - 1, match + 1, melem_len - 1);
  return -1;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<match_hostname_elem>:
  endbr64
  mov    %esi,%eax
  or     %ecx,%eax
  je     L67
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  mov    %esi,%ebx
  mov    %rdx,%r13
  mov    %ecx,%r12d
  test   %esi,%esi
  je     L2
  test   %ecx,%ecx
  je     L2
  cmpb   $0x2a,(%rdx)
  jne    L64
  test   %esi,%esi
  jle    L125
  add    $0x1,%rbp
  mov    $0x1,%r14d
  sub    $0x1,%r12d
  jmp    L27
L52:
  add    $0x1,%r14d
  add    $0x1,%rbp
  cmp    %r14d,%ebx
  jl     L15
L27:
  lea    0x1(%r13),%rdx
  mov    %ebx,%esi
  sub    %r14d,%esi
  mov    %r12d,%ecx
  mov    %rbp,%rdi
  call   <match_hostname_elem>
  test   %eax,%eax
  jne    L52
  jmp    L59
L15:
  mov    $0xffffffff,%eax
  jmp    L59
L64:
  movzbl (%rdi),%edi
  call   <toupper@plt>
  mov    %rax,%r14
  movzbl 0x0(%r13),%edi
  call   <toupper@plt>
  cmp    %rax,%r14
  jne    L29
  lea    -0x1(%r12),%ecx
  lea    0x1(%r13),%rdx
  lea    -0x1(%rbx),%esi
  lea    0x1(%rbp),%rdi
  call   <match_hostname_elem>
L59:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L2:
  mov    $0xffffffff,%eax
  jmp    L59
L125:
  mov    $0xffffffff,%eax
  jmp    L59
L29:
  mov    $0xffffffff,%eax
  jmp    L59
L67:
  ret
```

assistant: ```c
int match_hostname_elem(const char *hostname, int helem_len, const char *match, int melem_len) {
  if (!helem_len && !melem_len)
    return 0;
  if (!helem_len || !melem_len)
    return -1;
  if (match[0] == '*') {
    int i;
    for (i = 1; i <= helem_len; i++) {
      if (!match_hostname_elem(hostname + i, helem_len - i, match + 1, melem_len - 1))
        return 0;
    }
    return -1;
  }
  if (toupper((int)(unsigned char)hostname[0]) == toupper((int)(unsigned char)match[0]))
    return match_hostname_elem(hostname + 1, helem_len - 1, match + 1, melem_len - 1);
  return -1;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<match_hostname_elem>:
  endbr64
  mov    %esi,%eax
  or     %ecx,%eax
  je     L89
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  mov    %ecx,%ebp
  push   %rbx
  test   %ecx,%ecx
  je     L65
  mov    %rdi,%r14
  mov    %esi,%ebx
  mov    %rdx,%r12
  test   %esi,%esi
  jne    L9
  jmp    L65
  xchg   %ax,%ax
L60:
  movzbl (%r14),%edi
  call   <toupper@plt>
  movzbl (%r12),%edi
  mov    %rax,%r13
  call   <toupper@plt>
  cmp    %rax,%r13
  jne    L65
  sub    $0x1,%ebp
  sub    $0x1,%ebx
  add    $0x1,%r12
  add    $0x1,%r14
  mov    %ebp,%eax
  or     %ebx,%eax
  je     L37
  test   %ebx,%ebx
  je     L65
  test   %ebp,%ebp
  je     L65
L9:
  cmpb   $0x2a,(%r12)
  jne    L60
  test   %ebx,%ebx
  jle    L65
  sub    $0x1,%ebp
  add    $0x1,%r12
  add    $0x1,%r14
  mov    $0x1,%r13d
L108:
  mov    %ebx,%esi
  mov    %ebp,%ecx
  mov    %r12,%rdx
  mov    %r14,%rdi
  sub    %r13d,%esi
  call   <match_hostname_elem>
  test   %eax,%eax
  je     L37
  add    $0x1,%r13d
  add    $0x1,%r14
  cmp    %ebx,%r13d
  jle    L108
L65:
  pop    %rbx
  mov    $0xffffffff,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax)
L37:
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L89:
  xor    %eax,%eax
  ret
```

assistant: ```c
int match_hostname_elem(const char *hostname, int helem_len, const char *match, int melem_len) {
  if (!helem_len && !melem_len)
    return 0;
  if (!helem_len || !melem_len)
    return -1;
  if (match[0] == '*') {
    int i;
    for (i = 1; i <= helem_len; i++) {
      if (!match_hostname_elem(hostname + i, helem_len - i, match + 1, melem_len - 1))
        return 0;
    }
    return -1;
  }
  if (toupper((int)(unsigned char)hostname[0]) == toupper((int)(unsigned char)match[0]))
    return match_hostname_elem(hostname + 1, helem_len - 1, match + 1, melem_len - 1);
  return -1;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<match_hostname_elem>:
  endbr64
  mov    %esi,%eax
  or     %ecx,%eax
  je     L90
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  mov    %ecx,%ebp
  push   %rbx
  test   %ecx,%ecx
  je     L58
  mov    %rdi,%r14
  mov    %esi,%ebx
  mov    %rdx,%r12
  test   %esi,%esi
  jne    L37
  jmp    L58
  xchg   %ax,%ax
L54:
  movzbl (%r14),%edi
  call   <toupper@plt>
  movzbl (%r12),%edi
  mov    %rax,%r13
  call   <toupper@plt>
  cmp    %rax,%r13
  jne    L58
  sub    $0x1,%ebp
  sub    $0x1,%ebx
  add    $0x1,%r12
  add    $0x1,%r14
  mov    %ebp,%eax
  or     %ebx,%eax
  je     L17
  test   %ebx,%ebx
  je     L58
  test   %ebp,%ebp
  je     L58
L37:
  cmpb   $0x2a,(%r12)
  jne    L54
  test   %ebx,%ebx
  jle    L58
  sub    $0x1,%ebp
  add    $0x1,%r12
  add    $0x1,%r14
  mov    $0x1,%r13d
L50:
  mov    %ebx,%esi
  mov    %ebp,%ecx
  mov    %r12,%rdx
  mov    %r14,%rdi
  sub    %r13d,%esi
  call   <match_hostname_elem>
  test   %eax,%eax
  je     L17
  add    $0x1,%r13d
  add    $0x1,%r14
  cmp    %ebx,%r13d
  jle    L50
L58:
  pop    %rbx
  mov    $0xffffffff,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax)
L17:
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L90:
  xor    %eax,%eax
  ret
```

assistant: ```c
int match_hostname_elem(const char *hostname, int helem_len, const char *match, int melem_len) {
  if (!helem_len && !melem_len)
    return 0;
  if (!helem_len || !melem_len)
    return -1;
  if (match[0] == '*') {
    int i;
    for (i = 1; i <= helem_len; i++) {
      if (!match_hostname_elem(hostname + i, helem_len - i, match + 1, melem_len - 1))
        return 0;
    }
    return -1;
  }
  if (toupper((int)(unsigned char)hostname[0]) == toupper((int)(unsigned char)match[0]))
    return match_hostname_elem(hostname + 1, helem_len - 1, match + 1, melem_len - 1);
  return -1;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<VGA_subStrn>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  mov    %rdx,-0x20(%rbp)
  mov    %ecx,-0x24(%rbp)
  mov    %r8d,-0x28(%rbp)
  mov    %r9d,-0x2c(%rbp)
  movq   $0x9000000,-0x8(%rbp)
  mov    -0x24(%rbp),%eax
  mov    $0x0,%edx
  divl   -0x2c(%rbp)
  mov    %edx,-0xc(%rbp)
  mov    -0x28(%rbp),%eax
  mov    $0x0,%edx
  divl   -0x2c(%rbp)
  mov    %edx,-0x28(%rbp)
  mov    -0x18(%rbp),%eax
  shl    $0x7,%eax
  mov    %eax,%edx
  mov    -0x14(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x10(%rbp)
  jmp    L18
L0:
  mov    -0xc(%rbp),%edx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    -0x10(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x8(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0x10(%rbp)
  mov    -0xc(%rbp),%eax
  add    $0x1,%eax
  mov    $0x0,%edx
  divl   -0x2c(%rbp)
  mov    %edx,-0xc(%rbp)
L18:
  mov    -0xc(%rbp),%eax
  cmp    -0x28(%rbp),%eax
  jne    L0
  mov    $0xa,%esi
  mov    $0x0,%edi
  call   <VGA_printKBScanCode@plt>
  nop
  leave
  ret
```

assistant: ```c
void VGA_subStrn(int x, int y, volatile char *buffer, unsigned int first, unsigned int last, unsigned int len) {
  int offset;
  volatile char *character_buffer = (char *)0x09000000;
  unsigned int idx = first % len;
  last = last % len;
  offset = (y << 7) + x;
  while (idx != last) {
    *(character_buffer + offset) = buffer[idx];
    ++offset;
    idx = (idx + 1) % len;
  }
  VGA_printKBScanCode(0, 10);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<VGA_subStrn>:
  endbr64
  push   %rbx
  mov    %edi,%r11d
  mov    %rdx,%rdi
  mov    %ecx,%eax
  mov    $0x0,%edx
  div    %r9d
  mov    %edx,%ebx
  mov    %edx,%ecx
  mov    %r8d,%eax
  mov    $0x0,%edx
  div    %r9d
  shl    $0x7,%esi
  add    %r11d,%esi
  cmp    %edx,%ebx
  je     L14
  mov    %edx,%r10d
  movslq %esi,%rsi
  add    $0x9000000,%rsi
L13:
  mov    %ecx,%eax
  add    %rdi,%rax
  movzbl (%rax),%eax
  mov    %al,(%rsi)
  lea    0x1(%rcx),%eax
  mov    $0x0,%edx
  div    %r9d
  mov    %edx,%ecx
  add    $0x1,%rsi
  cmp    %edx,%r10d
  jne    L13
L14:
  mov    $0xa,%esi
  mov    $0x0,%edi
  call   <VGA_printKBScanCode@plt>
  pop    %rbx
  ret
```

assistant: ```c
void VGA_subStrn(int x, int y, volatile char *buffer, unsigned int first, unsigned int last, unsigned int len) {
  int offset;
  volatile char *character_buffer = (char *)0x09000000;
  unsigned int idx = first % len;
  last = last % len;
  offset = (y << 7) + x;
  while (idx != last) {
    *(character_buffer + offset) = buffer[idx];
    ++offset;
    idx = (idx + 1) % len;
  }
  VGA_printKBScanCode(0, 10);
}
```
user: Translate the below assembly code into C programming language:

```asm
<VGA_subStrn>:
  endbr64
  push   %rbp
  mov    %ecx,%eax
  mov    %edi,%ebp
  mov    %rdx,%rdi
  xor    %edx,%edx
  mov    %esi,%r10d
  div    %r9d
  mov    %r8d,%eax
  shl    $0x7,%r10d
  add    %ebp,%r10d
  mov    %edx,%esi
  xor    %edx,%edx
  div    %r9d
  cmp    %edx,%esi
  je     L8
  movslq %r10d,%r10
  mov    %edx,%r11d
  lea    0x9000000(%r10),%rcx
  cs nopw 0x0(%rax,%rax,1)
L18:
  mov    %esi,%eax
  xor    %edx,%edx
  add    $0x1,%rcx
  add    %rdi,%rax
  movzbl (%rax),%eax
  mov    %al,-0x1(%rcx)
  lea    0x1(%rsi),%eax
  div    %r9d
  mov    %edx,%esi
  cmp    %edx,%r11d
  jne    L18
L8:
  mov    $0xa,%esi
  xor    %edi,%edi
  pop    %rbp
  jmp    1050 <VGA_printKBScanCode@plt>
```

assistant: ```c
void VGA_subStrn(int x, int y, volatile char *buffer, unsigned int first, unsigned int last, unsigned int len) {
  int offset;
  volatile char *character_buffer = (char *)0x09000000;
  unsigned int idx = first % len;
  last = last % len;
  offset = (y << 7) + x;
  while (idx != last) {
    *(character_buffer + offset) = buffer[idx];
    ++offset;
    idx = (idx + 1) % len;
  }
  VGA_printKBScanCode(0, 10);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<VGA_subStrn>:
  endbr64
  push   %rbp
  mov    %ecx,%eax
  mov    %edi,%ebp
  mov    %rdx,%rdi
  xor    %edx,%edx
  mov    %esi,%r10d
  div    %r9d
  mov    %r8d,%eax
  shl    $0x7,%r10d
  add    %ebp,%r10d
  mov    %edx,%esi
  xor    %edx,%edx
  div    %r9d
  cmp    %edx,%esi
  je     L9
  movslq %r10d,%r10
  mov    %edx,%r11d
  lea    0x9000000(%r10),%rcx
  cs nopw 0x0(%rax,%rax,1)
L0:
  mov    %esi,%eax
  xor    %edx,%edx
  add    $0x1,%rcx
  add    %rdi,%rax
  movzbl (%rax),%eax
  mov    %al,-0x1(%rcx)
  lea    0x1(%rsi),%eax
  div    %r9d
  mov    %edx,%esi
  cmp    %edx,%r11d
  jne    L0
L9:
  mov    $0xa,%esi
  xor    %edi,%edi
  pop    %rbp
  jmp    1050 <VGA_printKBScanCode@plt>
```

assistant: ```c
void VGA_subStrn(int x, int y, volatile char *buffer, unsigned int first, unsigned int last, unsigned int len) {
  int offset;
  volatile char *character_buffer = (char *)0x09000000;
  unsigned int idx = first % len;
  last = last % len;
  offset = (y << 7) + x;
  while (idx != last) {
    *(character_buffer + offset) = buffer[idx];
    ++offset;
    idx = (idx + 1) % len;
  }
  VGA_printKBScanCode(0, 10);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<redirect>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    -0x4(%rbp),%eax
  mov    %eax,%edi
  call   <close@plt>
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    %eax,%edi
  call   <dup@plt>
  mov    -0x10(%rbp),%rax
  mov    (%rax),%eax
  mov    %eax,%edi
  call   <close@plt>
  mov    -0x10(%rbp),%rax
  add    $0x4,%rax
  mov    (%rax),%eax
  mov    %eax,%edi
  call   <close@plt>
  nop
  leave
  ret
```

assistant: ```c
void redirect(int k, int pd[2]) {
  close(k);
  dup(pd[k]);
  close(pd[0]);
  close(pd[1]);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<redirect>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edi,%ebx
  mov    %rsi,%rbp
  call   <close@plt>
  movslq %ebx,%rbx
  mov    0x0(%rbp,%rbx,4),%edi
  call   <dup@plt>
  mov    0x0(%rbp),%edi
  call   <close@plt>
  mov    0x4(%rbp),%edi
  call   <close@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void redirect(int k, int pd[2]) {
  close(k);
  dup(pd[k]);
  close(pd[0]);
  close(pd[1]);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<redirect>:
  endbr64
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  movslq %edi,%rbx
  mov    %ebx,%edi
  sub    $0x8,%rsp
  call   <close@plt>
  mov    0x0(%rbp,%rbx,4),%edi
  call   <dup@plt>
  mov    0x0(%rbp),%edi
  call   <close@plt>
  mov    0x4(%rbp),%edi
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  jmp    1070 <close@plt>
```

assistant: ```c
void redirect(int k, int pd[2]) {
  close(k);
  dup(pd[k]);
  close(pd[0]);
  close(pd[1]);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<redirect>:
  endbr64
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  movslq %edi,%rbx
  mov    %ebx,%edi
  sub    $0x8,%rsp
  call   <close@plt>
  mov    0x0(%rbp,%rbx,4),%edi
  call   <dup@plt>
  mov    0x0(%rbp),%edi
  call   <close@plt>
  mov    0x4(%rbp),%edi
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  jmp    1070 <close@plt>
```

assistant: ```c
void redirect(int k, int pd[2]) {
  close(k);
  dup(pd[k]);
  close(pd[0]);
  close(pd[1]);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<strCmp>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  jmp    L16
L44:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L14
  mov    $0x0,%eax
  jmp    L58
L14:
  addq   $0x1,-0x8(%rbp)
  addq   $0x1,-0x10(%rbp)
L16:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  je     L44
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%edx
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  test   %eax,%eax
  jns    L30
  mov    $0xffffffff,%eax
  jmp    L58
L30:
  mov    $0x1,%eax
L58:
  pop    %rbp
  ret
```

assistant: ```c
int strCmp(char *source, char *target) {
  for (; *source == *target; source++, target++)
    if (*source == '\0')
      return 0;
  if ((*source - *target) < 0)
    return -1;
  else
    return 1;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<strCmp>:
  endbr64
  movzbl (%rdi),%edx
  movzbl (%rsi),%ecx
  cmp    %cl,%dl
  jne    L9
  mov    $0x1,%eax
L15:
  test   %dl,%dl
  je     L1
  movzbl (%rdi,%rax,1),%edx
  add    $0x1,%rax
  movzbl -0x1(%rsi,%rax,1),%ecx
  cmp    %cl,%dl
  je     L15
L9:
  movsbl %dl,%edx
  movsbl %cl,%ecx
  cmp    %ecx,%edx
  setge  %al
  movzbl %al,%eax
  lea    -0x1(%rax,%rax,1),%eax
  ret
L1:
  mov    $0x0,%eax
  ret
```

assistant: ```c
int strCmp(char *source, char *target) {
  for (; *source == *target; source++, target++)
    if (*source == '\0')
      return 0;
  if ((*source - *target) < 0)
    return -1;
  else
    return 1;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<strCmp>:
  endbr64
  movzbl (%rdi),%edx
  movzbl (%rsi),%ecx
  cmp    %dl,%cl
  jne    L29
  mov    $0x1,%eax
  jmp    L30
  nopl   (%rax)
L9:
  movzbl (%rdi,%rax,1),%edx
  add    $0x1,%rax
  movzbl -0x1(%rsi,%rax,1),%ecx
  cmp    %cl,%dl
  jne    L29
L30:
  test   %dl,%dl
  jne    L9
  xor    %eax,%eax
  ret
L29:
  xor    %eax,%eax
  cmp    %dl,%cl
  setle  %al
  lea    -0x1(%rax,%rax,1),%eax
  ret
```

assistant: ```c
int strCmp(char *source, char *target) {
  for (; *source == *target; source++, target++)
    if (*source == '\0')
      return 0;
  if ((*source - *target) < 0)
    return -1;
  else
    return 1;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<strCmp>:
  endbr64
  movzbl (%rdi),%edx
  movzbl (%rsi),%ecx
  cmp    %dl,%cl
  jne    L9
  mov    $0x1,%eax
  jmp    L29
  nopl   (%rax)
L31:
  movzbl (%rdi,%rax,1),%edx
  add    $0x1,%rax
  movzbl -0x1(%rsi,%rax,1),%ecx
  cmp    %cl,%dl
  jne    L9
L29:
  test   %dl,%dl
  jne    L31
  xor    %eax,%eax
  ret
L9:
  xor    %eax,%eax
  cmp    %dl,%cl
  setle  %al
  lea    -0x1(%rax,%rax,1),%eax
  ret
```

assistant: ```c
int strCmp(char *source, char *target) {
  for (; *source == *target; source++, target++)
    if (*source == '\0')
      return 0;
  if ((*source - *target) < 0)
    return -1;
  else
    return 1;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<bx_center_print>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x24(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,%edx
  mov    -0x24(%rbp),%eax
  sub    %edx,%eax
  sar    %eax
  mov    %eax,-0x4(%rbp)
  movl   $0x0,-0x8(%rbp)
  jmp    L11
L16:
  mov    -0x18(%rbp),%rax
  mov    %rax,%rsi
  mov    $0x20,%edi
  call   <fputc@plt>
  addl   $0x1,-0x8(%rbp)
L11:
  mov    -0x8(%rbp),%eax
  cmp    -0x4(%rbp),%eax
  jl     L16
  mov    -0x18(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fputs@plt>
  nop
  leave
  ret
```

assistant: ```c
void bx_center_print(FILE *file, char *line, int maxwidth) {
  int imax;
  int i;
  imax = (maxwidth - strlen(line)) >> 1;
  for (i = 0; i < imax; i++)
    fputc(' ', file);
  fputs(line, file);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<bx_center_print>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r12
  mov    %rsi,%r13
  mov    %edx,%ebp
  mov    %rsi,%rdi
  call   <strlen@plt>
  sub    %eax,%ebp
  sar    %ebp
  test   %ebp,%ebp
  jle    L6
  mov    $0x0,%ebx
L15:
  mov    %r12,%rsi
  mov    $0x20,%edi
  call   <fputc@plt>
  add    $0x1,%ebx
  cmp    %ebx,%ebp
  jne    L15
L6:
  mov    %r12,%rsi
  mov    %r13,%rdi
  call   <fputs@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void bx_center_print(FILE *file, char *line, int maxwidth) {
  int imax;
  int i;
  imax = (maxwidth - strlen(line)) >> 1;
  for (i = 0; i < imax; i++)
    fputc(' ', file);
  fputs(line, file);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<bx_center_print>:
  endbr64
  push   %r13
  mov    %rdi,%r13
  mov    %rsi,%rdi
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %edx,%ebp
  push   %rbx
  sub    $0x8,%rsp
  call   <strlen@plt>
  sub    %eax,%ebp
  sar    %ebp
  test   %ebp,%ebp
  jle    L17
  xor    %ebx,%ebx
  nopl   0x0(%rax,%rax,1)
L6:
  mov    %r13,%rsi
  mov    $0x20,%edi
  add    $0x1,%ebx
  call   <fputc@plt>
  cmp    %ebx,%ebp
  jne    L6
L17:
  add    $0x8,%rsp
  mov    %r13,%rsi
  mov    %r12,%rdi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    1080 <fputs@plt>
```

assistant: ```c
void bx_center_print(FILE *file, char *line, int maxwidth) {
  int imax;
  int i;
  imax = (maxwidth - strlen(line)) >> 1;
  for (i = 0; i < imax; i++)
    fputc(' ', file);
  fputs(line, file);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<bx_center_print>:
  endbr64
  push   %r13
  mov    %rdi,%r13
  mov    %rsi,%rdi
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %edx,%ebp
  push   %rbx
  sub    $0x8,%rsp
  call   <strlen@plt>
  sub    %eax,%ebp
  sar    %ebp
  test   %ebp,%ebp
  jle    L2
  xor    %ebx,%ebx
  nopl   0x0(%rax,%rax,1)
L12:
  mov    %r13,%rsi
  mov    $0x20,%edi
  add    $0x1,%ebx
  call   <fputc@plt>
  cmp    %ebx,%ebp
  jne    L12
L2:
  add    $0x8,%rsp
  mov    %r13,%rsi
  mov    %r12,%rdi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    1080 <fputs@plt>
```

assistant: ```c
void bx_center_print(FILE *file, char *line, int maxwidth) {
  int imax;
  int i;
  imax = (maxwidth - strlen(line)) >> 1;
  for (i = 0; i < imax; i++)
    fputc(' ', file);
  fputs(line, file);
}
```