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
<fmt_mac>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x8,%rsp
  movzbl (%rsi),%esi
  call   <fmt_xlong@plt>
  test   %rbx,%rbx
  je     1060 <fmt_mac.cold>
  mov    %eax,%r13d
  mov    %eax,%eax
  add    %rax,%rbx
  movb   $0x3a,(%rbx)
  lea    0x1(%rbx),%r12
  movzbl 0x1(%rbp),%esi
  mov    %r12,%rdi
  call   <fmt_xlong@plt>
  mov    %eax,%r15d
  mov    %eax,%eax
  add    %r12,%rax
  lea    0x5(%r13,%r15,1),%r13d
  movb   $0x3a,(%rax)
  lea    0x1(%rax),%r12
  movzbl 0x2(%rbp),%esi
  mov    %r12,%rdi
  call   <fmt_xlong@plt>
  mov    %eax,%r14d
  mov    %eax,%eax
  add    %r12,%rax
  add    %r14d,%r13d
  movb   $0x3a,(%rax)
  lea    0x1(%rax),%r12
  movzbl 0x3(%rbp),%esi
  mov    %r12,%rdi
  call   <fmt_xlong@plt>
  mov    %eax,%ebx
  mov    %eax,%eax
  add    %r12,%rax
  add    %r13d,%ebx
  movb   $0x3a,(%rax)
  lea    0x1(%rax),%r12
  movzbl 0x4(%rbp),%esi
  mov    %r12,%rdi
  call   <fmt_xlong@plt>
  mov    %eax,%edx
  add    %eax,%ebx
  add    %rdx,%r12
  movb   $0x3a,(%r12)
  movzbl 0x5(%rbp),%esi
  lea    0x1(%r12),%rdi
  call   <fmt_xlong@plt>
  mov    %eax,%edx
  add    %ebx,%eax
  movb   $0x0,0x1(%r12,%rdx,1)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
unsigned fmt_mac(char *s, const char mac[6]) {
  unsigned i;
  unsigned len = 0;
  i = fmt_xlong(s, (unsigned long)(unsigned char)mac[0]);
  len += i;
  if (s)
    s += i;
  if (s)
    *s++ = ':';
  ++len;
  i = fmt_xlong(s, (unsigned long)(unsigned char)mac[1]);
  len += i;
  if (s)
    s += i;
  if (s)
    *s++ = ':';
  ++len;
  i = fmt_xlong(s, (unsigned long)(unsigned char)mac[2]);
  len += i;
  if (s)
    s += i;
  if (s)
    *s++ = ':';
  ++len;
  i = fmt_xlong(s, (unsigned long)(unsigned char)mac[3]);
  len += i;
  if (s)
    s += i;
  if (s)
    *s++ = ':';
  ++len;
  i = fmt_xlong(s, (unsigned long)(unsigned char)mac[4]);
  len += i;
  if (s)
    s += i;
  if (s)
    *s++ = ':';
  ++len;
  i = fmt_xlong(s, (unsigned long)(unsigned char)mac[5]);
  len += i;
  if (s)
    s += i;
  *s = '\0';
  return len;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<client_close>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  mov    %eax,%edi
  call   <close@plt>
  mov    $0x0,%eax
  leave
  ret
```

assistant: ```c
int client_close(int sock) {
  close(sock);
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<client_close>:
  endbr64
  sub    $0x8,%rsp
  call   <close@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int client_close(int sock) {
  close(sock);
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<client_close>:
  endbr64
  sub    $0x8,%rsp
  call   <close@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int client_close(int sock) {
  close(sock);
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<client_close>:
  endbr64
  sub    $0x8,%rsp
  call   <close@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int client_close(int sock) {
  close(sock);
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<key_event>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  mov    %rsi,-0x10(%rbp)
  cmpl   $0xff1b,-0x4(%rbp)
  jne    L2
  mov    D2(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,%edi
  call   <exit@plt>
L2:
  mov    $0x0,%eax
  leave
  ret
```

assistant: ```c
int key_event(int key, void *arg) {
  (void)arg;
  if (key == 65307)
    exit(EXIT_SUCCESS);
  return (0);
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<key_event>:
  endbr64
  cmp    $0xff1b,%edi
  je     L2
  mov    $0x0,%eax
  ret
L2:
  sub    $0x8,%rsp
  mov    D7(%rip),%rax
  mov    (%rax),%edi
  call   <exit@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int key_event(int key, void *arg) {
  (void)arg;
  if (key == 65307)
    exit(EXIT_SUCCESS);
  return (0);
}
```
user: Translate the below assembly code into C programming language:

```asm
<key_event>:
  endbr64
  cmp    $0xff1b,%edi
  je     L7
  xor    %eax,%eax
  ret
  nop
L7:
  sub    $0x8,%rsp
  mov    D5(%rip),%rax
  mov    (%rax),%edi
  call   <exit@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int key_event(int key, void *arg) {
  (void)arg;
  if (key == 65307)
    exit(EXIT_SUCCESS);
  return (0);
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<key_event>:
  endbr64
  cmp    $0xff1b,%edi
  je     L2
  xor    %eax,%eax
  ret
  nop
L2:
  sub    $0x8,%rsp
  mov    D0(%rip),%rax
  mov    (%rax),%edi
  call   <exit@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int key_event(int key, void *arg) {
  (void)arg;
  if (key == 65307)
    exit(EXIT_SUCCESS);
  return (0);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<mem_page_unmap_multiple>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L10
L3:
  mov    -0x4(%rbp),%eax
  shl    $0xc,%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,%rdi
  call   <mem_page_unmap@plt>
  addl   $0x1,-0x4(%rbp)
L10:
  mov    -0x4(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jl     L3
  nop
  nop
  leave
  ret
```

assistant: ```c
void mem_page_unmap_multiple(void *virtual, int count) {
  for (int i = 0; i < count; i++)
    mem_page_unmap(virtual + (i * 4096));
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<mem_page_unmap_multiple>:
  endbr64
  test   %esi,%esi
  jle    L4
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  lea    -0x1(%rsi),%eax
  shl    $0xc,%rax
  lea    0x1000(%rdi,%rax,1),%rbp
L7:
  mov    %rbx,%rdi
  call   <mem_page_unmap@plt>
  add    $0x1000,%rbx
  cmp    %rbp,%rbx
  jne    L7
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L4:
  ret
```

assistant: ```c
void mem_page_unmap_multiple(void *virtual, int count) {
  for (int i = 0; i < count; i++)
    mem_page_unmap(virtual + (i * 4096));
}
```
user: Translate the below assembly code into C programming language:

```asm
<mem_page_unmap_multiple>:
  endbr64
  test   %esi,%esi
  jle    L14
  push   %rbp
  lea    -0x1(%rsi),%eax
  push   %rbx
  shl    $0xc,%rax
  mov    %rdi,%rbx
  lea    0x1000(%rdi,%rax,1),%rbp
  sub    $0x8,%rsp
L17:
  mov    %rbx,%rdi
  add    $0x1000,%rbx
  call   <mem_page_unmap@plt>
  cmp    %rbp,%rbx
  jne    L17
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopl   0x0(%rax,%rax,1)
L14:
  ret
```

assistant: ```c
void mem_page_unmap_multiple(void *virtual, int count) {
  for (int i = 0; i < count; i++)
    mem_page_unmap(virtual + (i * 4096));
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<mem_page_unmap_multiple>:
  endbr64
  test   %esi,%esi
  jle    L11
  push   %rbp
  lea    -0x1(%rsi),%eax
  push   %rbx
  shl    $0xc,%rax
  mov    %rdi,%rbx
  lea    0x1000(%rdi,%rax,1),%rbp
  sub    $0x8,%rsp
L2:
  mov    %rbx,%rdi
  add    $0x1000,%rbx
  call   <mem_page_unmap@plt>
  cmp    %rbp,%rbx
  jne    L2
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopl   0x0(%rax,%rax,1)
L11:
  ret
```

assistant: ```c
void mem_page_unmap_multiple(void *virtual, int count) {
  for (int i = 0; i < count; i++)
    mem_page_unmap(virtual + (i * 4096));
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<ustime>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x20(%rbp),%rax
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <gettimeofday@plt>
  mov    -0x18(%rbp),%rax
  imul   $0xf4240,%rax,%rax
  mov    %rax,-0x28(%rbp)
  mov    -0x20(%rbp),%rax
  add    %rax,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L2
  call   <__stack_chk_fail@plt>
L2:
  leave
  ret
```

assistant: ```c
long long ustime(void) {
  struct timeval tv;
  long long ust;
  gettimeofday(&tv, NULL);
  ust = ((long)tv.tv_sec) * 1000000;
  ust += tv.tv_usec;
  return ust;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<ustime>:
  endbr64
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  mov    $0x0,%esi
  call   <gettimeofday@plt>
  imul   $0xf4240,0x8(%rsp),%rax
  add    (%rsp),%rax
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L6
  add    $0x28,%rsp
  ret
L6:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
long long ustime(void) {
  struct timeval tv;
  long long ust;
  gettimeofday(&tv, NULL);
  ust = ((long)tv.tv_sec) * 1000000;
  ust += tv.tv_usec;
  return ust;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<ustime>:
  endbr64
  sub    $0x28,%rsp
  xor    %esi,%esi
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  call   <gettimeofday@plt>
  imul   $0xf4240,0x8(%rsp),%rax
  add    (%rsp),%rax
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L5
  add    $0x28,%rsp
  ret
L5:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
long long ustime(void) {
  struct timeval tv;
  long long ust;
  gettimeofday(&tv, NULL);
  ust = ((long)tv.tv_sec) * 1000000;
  ust += tv.tv_usec;
  return ust;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<ustime>:
  endbr64
  sub    $0x28,%rsp
  xor    %esi,%esi
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  call   <gettimeofday@plt>
  imul   $0xf4240,0x8(%rsp),%rax
  add    (%rsp),%rax
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L7
  add    $0x28,%rsp
  ret
L7:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
long long ustime(void) {
  struct timeval tv;
  long long ust;
  gettimeofday(&tv, NULL);
  ust = ((long)tv.tv_sec) * 1000000;
  ust += tv.tv_usec;
  return ust;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<TimerValueGet64>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
L5:
  mov    -0x28(%rbp),%rax
  add    $0x4c,%rax
  mov    (%rax),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x28(%rbp),%rax
  add    $0x48,%rax
  mov    (%rax),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x28(%rbp),%rax
  add    $0x4c,%rax
  mov    (%rax),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x18(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  jne    L5
  mov    -0x18(%rbp),%rax
  mov    %eax,%edx
  mov    $0x20,%eax
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    -0x10(%rbp),%rax
  or     %edx,%eax
  pop    %rbp
  ret
```

assistant: ```c
uint64_t TimerValueGet64(uint32_t ui32Base) {
  uint32_t ui32High1, ui32High2, ui32Low;
  ;
  do {
    ui32High1 = (*((volatile uint32_t *)(ui32Base + 0x0000004C)));
    ui32Low = (*((volatile uint32_t *)(ui32Base + 0x00000048)));
    ui32High2 = (*((volatile uint32_t *)(ui32Base + 0x0000004C)));
  } while (ui32High1 != ui32High2);
  return (((uint64_t)ui32High1 << 32) | (uint64_t)ui32Low);
}
```
user: Translate the below assembly code into C programming language:

```asm
<TimerValueGet64>:
  endbr64
L2:
  mov    0x4c(%rdi),%rcx
  mov    0x48(%rdi),%rax
  mov    0x4c(%rdi),%rdx
  cmp    %rdx,%rcx
  jne    L2
  ret
```

assistant: ```c
uint64_t TimerValueGet64(uint32_t ui32Base) {
  uint32_t ui32High1, ui32High2, ui32Low;
  ;
  do {
    ui32High1 = (*((volatile uint32_t *)(ui32Base + 0x0000004C)));
    ui32Low = (*((volatile uint32_t *)(ui32Base + 0x00000048)));
    ui32High2 = (*((volatile uint32_t *)(ui32Base + 0x0000004C)));
  } while (ui32High1 != ui32High2);
  return (((uint64_t)ui32High1 << 32) | (uint64_t)ui32Low);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<TimerValueGet64>:
  endbr64
  lea    0x4c(%rdi),%rdx
  add    $0x48,%rdi
  nopl   0x0(%rax)
L3:
  mov    (%rdx),%rsi
  mov    (%rdi),%rax
  mov    (%rdx),%rcx
  cmp    %rcx,%rsi
  jne    L3
  ret
```

assistant: ```c
uint64_t TimerValueGet64(uint32_t ui32Base) {
  uint32_t ui32High1, ui32High2, ui32Low;
  ;
  do {
    ui32High1 = (*((volatile uint32_t *)(ui32Base + 0x0000004C)));
    ui32Low = (*((volatile uint32_t *)(ui32Base + 0x00000048)));
    ui32High2 = (*((volatile uint32_t *)(ui32Base + 0x0000004C)));
  } while (ui32High1 != ui32High2);
  return (((uint64_t)ui32High1 << 32) | (uint64_t)ui32Low);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<TimerValueGet64>:
  endbr64
  lea    0x4c(%rdi),%rdx
  add    $0x48,%rdi
  nopl   0x0(%rax)
L3:
  mov    (%rdx),%rsi
  mov    (%rdi),%rax
  mov    (%rdx),%rcx
  cmp    %rcx,%rsi
  jne    L3
  ret
```

assistant: ```c
uint64_t TimerValueGet64(uint32_t ui32Base) {
  uint32_t ui32High1, ui32High2, ui32Low;
  ;
  do {
    ui32High1 = (*((volatile uint32_t *)(ui32Base + 0x0000004C)));
    ui32Low = (*((volatile uint32_t *)(ui32Base + 0x00000048)));
    ui32High2 = (*((volatile uint32_t *)(ui32Base + 0x0000004C)));
  } while (ui32High1 != ui32High2);
  return (((uint64_t)ui32High1 << 32) | (uint64_t)ui32Low);
}
```
user: Translate the below assembly code into C programming language:

```asm
<strncasecmp>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r12
  push   %rbx
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %edx,-0x34(%rbp)
  mov    -0x28(%rbp),%rbx
  mov    -0x30(%rbp),%r12
  cmp    %r12,%rbx
  je     L14
  cmpl   $0x0,-0x34(%rbp)
  jne    L23
L14:
  mov    $0x0,%eax
  jmp    L55
L23:
  mov    %rbx,%rax
  lea    0x1(%rax),%rbx
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,%edi
  call   <tolower@plt>
  mov    %al,-0x12(%rbp)
  mov    %r12,%rax
  lea    0x1(%rax),%r12
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,%edi
  call   <tolower@plt>
  mov    %al,-0x11(%rbp)
  cmpb   $0x0,-0x12(%rbp)
  je     L2
  movzbl -0x12(%rbp),%eax
  cmp    -0x11(%rbp),%al
  je     L40
L2:
  movzbl -0x12(%rbp),%eax
  movzbl -0x11(%rbp),%edx
  sub    %edx,%eax
  jmp    L55
L40:
  subl   $0x1,-0x34(%rbp)
  cmpl   $0x0,-0x34(%rbp)
  jne    L23
  movzbl -0x12(%rbp),%eax
  movzbl -0x11(%rbp),%edx
  sub    %edx,%eax
L55:
  add    $0x30,%rsp
  pop    %rbx
  pop    %r12
  pop    %rbp
  ret
```

assistant: ```c
int strncasecmp(s1, s2, n) const char *s1;
const char *s2;
unsigned n;
{
  register const unsigned char *p1 = (const unsigned char *)s1;
  register const unsigned char *p2 = (const unsigned char *)s2;
  unsigned char c1, c2;
  if (p1 == p2 || n == 0)
    return 0;
  do {
    c1 = tolower(*p1++);
    c2 = tolower(*p2++);
    if (c1 == '\0' || c1 != c2)
      return c1 - c2;
  } while (--n > 0);
  return c1 - c2;
}
```
user: What is the c source code of the assembly code below?

```asm
<strncasecmp>:
  endbr64
  cmp    %rsi,%rdi
  je     L26
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  mov    %rsi,%r12
  test   %edx,%edx
  je     L46
  mov    %edx,%edx
  lea    (%rdi,%rdx,1),%r13
L9:
  add    $0x1,%rbp
  movzbl -0x1(%rbp),%edi
  call   <tolower@plt>
  mov    %eax,%ebx
  add    $0x1,%r12
  movzbl -0x1(%r12),%edi
  call   <tolower@plt>
  test   %bl,%bl
  je     L48
  cmp    %al,%bl
  jne    L48
  cmp    %r13,%rbp
  jne    L9
  movzbl %bl,%ebx
  movzbl %al,%edx
  mov    %ebx,%eax
  sub    %edx,%eax
  jmp    L13
L48:
  movzbl %bl,%ebx
  movzbl %al,%edx
  mov    %ebx,%eax
  sub    %edx,%eax
L13:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L46:
  mov    $0x0,%eax
  jmp    L13
L26:
  mov    $0x0,%eax
  ret
```

assistant: ```c
int strncasecmp(s1, s2, n) const char *s1;
const char *s2;
unsigned n;
{
  register const unsigned char *p1 = (const unsigned char *)s1;
  register const unsigned char *p2 = (const unsigned char *)s2;
  unsigned char c1, c2;
  if (p1 == p2 || n == 0)
    return 0;
  do {
    c1 = tolower(*p1++);
    c2 = tolower(*p2++);
    if (c1 == '\0' || c1 != c2)
      return c1 - c2;
  } while (--n > 0);
  return c1 - c2;
}
```
user: What is the c source code of the assembly code below?

```asm
<strncasecmp>:
  endbr64
  cmp    %rsi,%rdi
  je     L24
  test   %edx,%edx
  je     L24
  push   %r13
  mov    %edx,%edx
  push   %r12
  lea    (%rdi,%rdx,1),%r13
  mov    %rsi,%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  nopl   0x0(%rax,%rax,1)
L45:
  movzbl 0x0(%rbp),%edi
  add    $0x1,%r12
  add    $0x1,%rbp
  call   <tolower@plt>
  movzbl -0x1(%r12),%edi
  mov    %eax,%ebx
  call   <tolower@plt>
  test   %bl,%bl
  je     L5
  cmp    %al,%bl
  jne    L5
  cmp    %r13,%rbp
  jne    L45
L5:
  movzbl %bl,%ebx
  add    $0x8,%rsp
  movzbl %al,%edx
  mov    %ebx,%eax
  pop    %rbx
  pop    %rbp
  sub    %edx,%eax
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax,%rax,1)
L24:
  xor    %eax,%eax
  ret
```

assistant: ```c
int strncasecmp(s1, s2, n) const char *s1;
const char *s2;
unsigned n;
{
  register const unsigned char *p1 = (const unsigned char *)s1;
  register const unsigned char *p2 = (const unsigned char *)s2;
  unsigned char c1, c2;
  if (p1 == p2 || n == 0)
    return 0;
  do {
    c1 = tolower(*p1++);
    c2 = tolower(*p2++);
    if (c1 == '\0' || c1 != c2)
      return c1 - c2;
  } while (--n > 0);
  return c1 - c2;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<strncasecmp>:
  endbr64
  cmp    %rsi,%rdi
  je     L4
  test   %edx,%edx
  je     L4
  push   %r13
  mov    %edx,%edx
  push   %r12
  lea    (%rdi,%rdx,1),%r13
  mov    %rsi,%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  nopl   0x0(%rax,%rax,1)
L38:
  movzbl 0x0(%rbp),%edi
  add    $0x1,%r12
  add    $0x1,%rbp
  call   <tolower@plt>
  movzbl -0x1(%r12),%edi
  mov    %eax,%ebx
  call   <tolower@plt>
  test   %bl,%bl
  je     L25
  cmp    %al,%bl
  jne    L25
  cmp    %r13,%rbp
  jne    L38
L25:
  movzbl %bl,%ebx
  add    $0x8,%rsp
  movzbl %al,%edx
  mov    %ebx,%eax
  pop    %rbx
  pop    %rbp
  sub    %edx,%eax
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax,%rax,1)
L4:
  xor    %eax,%eax
  ret
```

assistant: ```c
int strncasecmp(s1, s2, n) const char *s1;
const char *s2;
unsigned n;
{
  register const unsigned char *p1 = (const unsigned char *)s1;
  register const unsigned char *p2 = (const unsigned char *)s2;
  unsigned char c1, c2;
  if (p1 == p2 || n == 0)
    return 0;
  do {
    c1 = tolower(*p1++);
    c2 = tolower(*p2++);
    if (c1 == '\0' || c1 != c2)
      return c1 - c2;
  } while (--n > 0);
  return c1 - c2;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<updateRegistersPhase>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    $0x0,%eax
  call   <updateVmRegisters@plt>
  mov    $0x0,%eax
  call   <updateInterpreterRegisters@plt>
  mov    $0x0,%eax
  call   <updateInterpreterCallRegisters@plt>
  mov    $0x0,%eax
  call   <updateMethodLookupCache@plt>
  nop
  pop    %rbp
  ret
```

assistant: ```c
void updateRegistersPhase() {
  updateVmRegisters();
  updateInterpreterRegisters();
  updateInterpreterCallRegisters();
  updateMethodLookupCache();
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<updateRegistersPhase>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <updateVmRegisters@plt>
  mov    $0x0,%eax
  call   <updateInterpreterRegisters@plt>
  mov    $0x0,%eax
  call   <updateInterpreterCallRegisters@plt>
  mov    $0x0,%eax
  call   <updateMethodLookupCache@plt>
  add    $0x8,%rsp
  ret
```

assistant: ```c
void updateRegistersPhase() {
  updateVmRegisters();
  updateInterpreterRegisters();
  updateInterpreterCallRegisters();
  updateMethodLookupCache();
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<updateRegistersPhase>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <updateVmRegisters@plt>
  xor    %eax,%eax
  call   <updateInterpreterRegisters@plt>
  xor    %eax,%eax
  call   <updateInterpreterCallRegisters@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  jmp    10a0 <updateMethodLookupCache@plt>
```

assistant: ```c
void updateRegistersPhase() {
  updateVmRegisters();
  updateInterpreterRegisters();
  updateInterpreterCallRegisters();
  updateMethodLookupCache();
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<updateRegistersPhase>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <updateVmRegisters@plt>
  xor    %eax,%eax
  call   <updateInterpreterRegisters@plt>
  xor    %eax,%eax
  call   <updateInterpreterCallRegisters@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  jmp    10a0 <updateMethodLookupCache@plt>
```

assistant: ```c
void updateRegistersPhase() {
  updateVmRegisters();
  updateInterpreterRegisters();
  updateInterpreterCallRegisters();
  updateMethodLookupCache();
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<BrzConcur_reqdown>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    $0x0,%edi
  call   <SEND_ACKDOWN@plt>
  nop
  leave
  ret
```

assistant: ```c
void BrzConcur_reqdown(struct comp *comp, int port) {
  struct BrzConcur_ *c = (struct BrzConcur_ *)comp;
  SEND_ACKDOWN(0);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<BrzConcur_reqdown>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%edi
  call   <SEND_ACKDOWN@plt>
  add    $0x8,%rsp
  ret
```

assistant: ```c
void BrzConcur_reqdown(struct comp *comp, int port) {
  struct BrzConcur_ *c = (struct BrzConcur_ *)comp;
  SEND_ACKDOWN(0);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<BrzConcur_reqdown>:
  endbr64
  xor    %edi,%edi
  jmp    1050 <SEND_ACKDOWN@plt>
```

assistant: ```c
void BrzConcur_reqdown(struct comp *comp, int port) {
  struct BrzConcur_ *c = (struct BrzConcur_ *)comp;
  SEND_ACKDOWN(0);
}
```
user: Translate the below assembly code into C programming language:

```asm
<BrzConcur_reqdown>:
  endbr64
  xor    %edi,%edi
  jmp    1050 <SEND_ACKDOWN@plt>
```

assistant: ```c
void BrzConcur_reqdown(struct comp *comp, int port) {
  struct BrzConcur_ *c = (struct BrzConcur_ *)comp;
  SEND_ACKDOWN(0);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<remove_nl>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  sub    $0x1,%eax
  mov    %eax,-0x4(%rbp)
  jmp    L22
L8:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  subl   $0x1,-0x4(%rbp)
L22:
  cmpl   $0x0,-0x4(%rbp)
  js     L27
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0xa,%al
  je     L8
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0xd,%al
  je     L8
L27:
  nop
  leave
  ret
```

assistant: ```c
void remove_nl(char *buf) {
  int i;
  for (i = strlen(buf) - 1; i >= 0 && (buf[i] == '\n' || buf[i] == '\r'); i--)
    buf[i] = '\0';
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<remove_nl>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  call   <strlen@plt>
  mov    %eax,%edx
  sub    $0x1,%edx
  js     L10
  movslq %edx,%rdx
  add    %rbx,%rdx
  movslq %eax,%rcx
  lea    -0x2(%rbx,%rcx,1),%rsi
  lea    -0x1(%rax),%eax
  sub    %rax,%rsi
  jmp    L13
L29:
  movb   $0x0,(%rcx)
  sub    $0x1,%rdx
  cmp    %rsi,%rdx
  je     L10
L13:
  mov    %rdx,%rcx
  movzbl (%rdx),%eax
  cmp    $0xa,%al
  je     L29
  cmp    $0xd,%al
  je     L29
L10:
  pop    %rbx
  ret
```

assistant: ```c
void remove_nl(char *buf) {
  int i;
  for (i = strlen(buf) - 1; i >= 0 && (buf[i] == '\n' || buf[i] == '\r'); i--)
    buf[i] = '\0';
}
```
user: Translate the below assembly code into C programming language:

```asm
<remove_nl>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  call   <strlen@plt>
  mov    %eax,%esi
  sub    $0x1,%esi
  js     L22
  cltq
  movslq %esi,%rdx
  mov    %esi,%esi
  lea    -0x2(%rbx,%rax,1),%rcx
  add    %rbx,%rdx
  sub    %rsi,%rcx
  jmp    L31
  nopl   0x0(%rax,%rax,1)
L46:
  movb   $0x0,(%rdx)
  sub    $0x1,%rdx
  cmp    %rcx,%rdx
  je     L22
L31:
  movzbl (%rdx),%eax
  cmp    $0xa,%al
  je     L46
  cmp    $0xd,%al
  je     L46
L22:
  pop    %rbx
  ret
```

assistant: ```c
void remove_nl(char *buf) {
  int i;
  for (i = strlen(buf) - 1; i >= 0 && (buf[i] == '\n' || buf[i] == '\r'); i--)
    buf[i] = '\0';
}
```