ylfeng/ReF-Decompile-dataset huggingface dataset:
user: What would the C source look like for the assembly code provided here?

```asm
<makeoutname>:
  endbr64
  push   %r12
  mov    $0xffffffff,%r12d
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  xor    %ebx,%ebx
  jmp    L27
  nopl   (%rax)
L28:
  cmpb   $0x2e,0x0(%rbp,%rbx,1)
  cmove  %ebx,%r12d
  add    $0x1,%rbx
L27:
  mov    %rbp,%rdi
  call   <ccstrlen@plt>
  cmp    %ebx,%eax
  jg     L28
  cmp    $0xffffffff,%r12d
  je     L23
  movslq %r12d,%r12
  movb   $0x0,0x0(%rbp,%r12,1)
L23:
  mov    %rbp,%rdi
  call   <ccstrcpy@plt>
  mov    $0x2e,%esi
  mov    %rax,%rdi
  call   <ccstrcat@plt>
  mov    $0x61,%esi
  mov    %rax,%rdi
  call   <ccstrcat@plt>
  mov    $0x73,%esi
  mov    %rax,%rdi
  call   <ccstrcat@plt>
  pop    %rbx
  mov    $0x6d,%esi
  pop    %rbp
  mov    %rax,%rdi
  pop    %r12
  jmp    1090 <ccstrcat@plt>
```

assistant: ```c
char *makeoutname(char *inname) {
  char *outname;
  int i, j = -1;
  for (i = 0; i < ccstrlen(inname); i++)
    if (inname[i] == '.')
      j = i;
  if (j >= 0) {
    inname[j] = 0;
  }
  outname = ccstrcpy(inname);
  outname = ccstrcat(outname, '.');
  outname = ccstrcat(outname, 'a');
  outname = ccstrcat(outname, 's');
  outname = ccstrcat(outname, 'm');
  return outname;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<SysCtlPeripheralSleepEnable>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  sar    $0x8,%eax
  movzbl %al,%eax
  add    $0x400fe700,%eax
  cltq
  and    $0xf0000000,%eax
  mov    %rax,%rdx
  mov    -0x4(%rbp),%eax
  sar    $0x8,%eax
  movzbl %al,%eax
  add    $0x400fe700,%eax
  cltq
  shl    $0x5,%rax
  and    $0x1ffffe0,%eax
  or     %rax,%rdx
  mov    -0x4(%rbp),%eax
  shl    $0x2,%eax
  cltq
  and    $0x3fc,%eax
  or     %rdx,%rax
  or     $0x2000000,%rax
  movq   $0x1,(%rax)
  nop
  pop    %rbp
  ret
```

assistant: ```c
void SysCtlPeripheralSleepEnable(uint32_t ui32Peripheral) {
  ;
  (*((volatile unsigned long *)(((unsigned long)(0x400fe700 + ((ui32Peripheral & 0xff00) >> 8)) & 0xF0000000) | 0x02000000 | (((unsigned long)(0x400fe700 + ((ui32Peripheral & 0xff00) >> 8)) & 0x000FFFFF) << 5) | ((ui32Peripheral & 0xff) << 2)))) = 1;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<SysCtlPeripheralSleepEnable>:
  endbr64
  mov    %edi,%edx
  movzbl %dh,%eax
  add    $0x400fe700,%eax
  shl    $0x5,%rax
  and    $0x1ffffe0,%eax
  shl    $0x2,%edx
  and    $0x3fc,%edx
  or     %rdx,%rax
  or     $0x42000000,%rax
  movq   $0x1,(%rax)
  ret
```

assistant: ```c
void SysCtlPeripheralSleepEnable(uint32_t ui32Peripheral) {
  ;
  (*((volatile unsigned long *)(((unsigned long)(0x400fe700 + ((ui32Peripheral & 0xff00) >> 8)) & 0xF0000000) | 0x02000000 | (((unsigned long)(0x400fe700 + ((ui32Peripheral & 0xff00) >> 8)) & 0x000FFFFF) << 5) | ((ui32Peripheral & 0xff) << 2)))) = 1;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<SysCtlPeripheralSleepEnable>:
  endbr64
  mov    %edi,%edx
  movzbl %dh,%eax
  shl    $0x2,%edx
  add    $0x400fe700,%eax
  and    $0x3fc,%edx
  shl    $0x5,%rax
  and    $0x1ffffe0,%eax
  or     %rdx,%rax
  or     $0x42000000,%rax
  movq   $0x1,(%rax)
  ret
```

assistant: ```c
void SysCtlPeripheralSleepEnable(uint32_t ui32Peripheral) {
  ;
  (*((volatile unsigned long *)(((unsigned long)(0x400fe700 + ((ui32Peripheral & 0xff00) >> 8)) & 0xF0000000) | 0x02000000 | (((unsigned long)(0x400fe700 + ((ui32Peripheral & 0xff00) >> 8)) & 0x000FFFFF) << 5) | ((ui32Peripheral & 0xff) << 2)))) = 1;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<SysCtlPeripheralSleepEnable>:
  endbr64
  mov    %edi,%edx
  movzbl %dh,%eax
  shl    $0x2,%edx
  add    $0x400fe700,%eax
  and    $0x3fc,%edx
  shl    $0x5,%rax
  and    $0x1ffffe0,%eax
  or     %rdx,%rax
  or     $0x42000000,%rax
  movq   $0x1,(%rax)
  ret
```

assistant: ```c
void SysCtlPeripheralSleepEnable(uint32_t ui32Peripheral) {
  ;
  (*((volatile unsigned long *)(((unsigned long)(0x400fe700 + ((ui32Peripheral & 0xff00) >> 8)) & 0xF0000000) | 0x02000000 | (((unsigned long)(0x400fe700 + ((ui32Peripheral & 0xff00) >> 8)) & 0x000FFFFF) << 5) | ((ui32Peripheral & 0xff) << 2)))) = 1;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<test_2>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L16
L14:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  lea    D15(%rip),%rax
  mov    (%rdx,%rax,1),%edx
  mov    -0x14(%rbp),%eax
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%ecx
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  lea    D15(%rip),%rax
  mov    %ecx,(%rdx,%rax,1)
  addl   $0x1,-0x4(%rbp)
L16:
  cmpl   $0xf,-0x4(%rbp)
  jle    L14
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void test_2(int a) {
  static unsigned int bm[16];
  int j;
  for (j = 0; j < 16; j++)
    bm[j] <<= a;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<test_2>:
  endbr64
  mov    %edi,%ecx
  lea    D8(%rip),%rax
  lea    0x40(%rax),%rdx
L0:
  shll   %cl,(%rax)
  add    $0x4,%rax
  cmp    %rdx,%rax
  jne    L0
  ret
```

assistant: ```c
void test_2(int a) {
  static unsigned int bm[16];
  int j;
  for (j = 0; j < 16; j++)
    bm[j] <<= a;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<test_2>:
  endbr64
  lea    D7(%rip),%rax
  mov    %edi,%ecx
  lea    0x40(%rax),%rdx
  nopl   0x0(%rax)
L8:
  shll   %cl,(%rax)
  add    $0x4,%rax
  cmp    %rdx,%rax
  jne    L8
  ret
```

assistant: ```c
void test_2(int a) {
  static unsigned int bm[16];
  int j;
  for (j = 0; j < 16; j++)
    bm[j] <<= a;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<test_2>:
  endbr64
  movdqa D34(%rip),%xmm1
  movd   %edi,%xmm0
  pslld  %xmm0,%xmm1
  movaps %xmm1,D61(%rip)
  movdqa D61(%rip),%xmm1
  pslld  %xmm0,%xmm1
  movaps %xmm1,D59(%rip)
  movdqa D59(%rip),%xmm1
  pslld  %xmm0,%xmm1
  movaps %xmm1,D53(%rip)
  movdqa D53(%rip),%xmm1
  pslld  %xmm0,%xmm1
  movaps %xmm1,D56(%rip)
  ret
```

assistant: ```c
void test_2(int a) {
  static unsigned int bm[16];
  int j;
  for (j = 0; j < 16; j++)
    bm[j] <<= a;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<swap>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x18(%rbp),%rax
  movss  (%rax),%xmm0
  movss  %xmm0,-0x4(%rbp)
  mov    -0x20(%rbp),%rax
  movss  (%rax),%xmm0
  mov    -0x18(%rbp),%rax
  movss  %xmm0,(%rax)
  mov    -0x20(%rbp),%rax
  movss  -0x4(%rbp),%xmm0
  movss  %xmm0,(%rax)
  nop
  pop    %rbp
  ret
```

assistant: ```c
void swap(float *a, float *b) {
  float tmp = *a;
  *a = *b;
  *b = tmp;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<swap>:
  endbr64
  movss  (%rdi),%xmm0
  movss  (%rsi),%xmm1
  movss  %xmm1,(%rdi)
  movss  %xmm0,(%rsi)
  ret
```

assistant: ```c
void swap(float *a, float *b) {
  float tmp = *a;
  *a = *b;
  *b = tmp;
}
```
user: Translate the below assembly code into C programming language:

```asm
<swap>:
  endbr64
  movss  (%rdi),%xmm0
  movss  (%rsi),%xmm1
  movss  %xmm1,(%rdi)
  movss  %xmm0,(%rsi)
  ret
```

assistant: ```c
void swap(float *a, float *b) {
  float tmp = *a;
  *a = *b;
  *b = tmp;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<swap>:
  endbr64
  movss  (%rdi),%xmm0
  movss  (%rsi),%xmm1
  movss  %xmm1,(%rdi)
  movss  %xmm0,(%rsi)
  ret
```

assistant: ```c
void swap(float *a, float *b) {
  float tmp = *a;
  *a = *b;
  *b = tmp;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<log_it>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0xd0,%rsp
  mov    %edi,-0xc4(%rbp)
  mov    %rsi,-0xd0(%rbp)
  mov    %rdx,-0xa0(%rbp)
  mov    %rcx,-0x98(%rbp)
  mov    %r8,-0x90(%rbp)
  mov    %r9,-0x88(%rbp)
  test   %al,%al
  je     L9
  movaps %xmm0,-0x80(%rbp)
  movaps %xmm1,-0x70(%rbp)
  movaps %xmm2,-0x60(%rbp)
  movaps %xmm3,-0x50(%rbp)
  movaps %xmm4,-0x40(%rbp)
  movaps %xmm5,-0x30(%rbp)
  movaps %xmm6,-0x20(%rbp)
  movaps %xmm7,-0x10(%rbp)
L9:
  mov    -0xd0(%rbp),%rdx
  mov    -0xb4(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <va_start@plt>
  mov    -0xb4(%rbp),%edx
  mov    -0xd0(%rbp),%rcx
  mov    -0xc4(%rbp),%eax
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <vsyslog@plt>
  mov    -0xb4(%rbp),%eax
  mov    %eax,%edi
  call   <va_end@plt>
  nop
  leave
  ret
```

assistant: ```c
void log_it(int priority, char const *format, ...) {
  va_list ap;
  va_start(ap, format);
  vsyslog(priority, format, ap);
  va_end(ap);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<log_it>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edi,%r12d
  mov    %rsi,%rbx
  mov    $0x0,%ebp
  mov    %ebp,%edi
  call   <va_start@plt>
  mov    %ebp,%edx
  mov    %rbx,%rsi
  mov    %r12d,%edi
  call   <vsyslog@plt>
  mov    %ebp,%edi
  call   <va_end@plt>
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
void log_it(int priority, char const *format, ...) {
  va_list ap;
  va_start(ap, format);
  vsyslog(priority, format, ap);
  va_end(ap);
}
```
user: What is the c source code of the assembly code below:

```asm
<log_it>:
  endbr64
  push   %r13
  mov    %edi,%r13d
  push   %r12
  xor    %r12d,%r12d
  push   %rbp
  mov    %r12d,%edi
  mov    %rsi,%rbp
  call   <va_start@plt>
  mov    %r12d,%edx
  mov    %rbp,%rsi
  mov    %r13d,%edi
  call   <vsyslog@plt>
  mov    %r12d,%edi
  call   <va_end@plt>
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void log_it(int priority, char const *format, ...) {
  va_list ap;
  va_start(ap, format);
  vsyslog(priority, format, ap);
  va_end(ap);
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<log_it>:
  endbr64
  push   %r13
  mov    %edi,%r13d
  push   %r12
  xor    %r12d,%r12d
  push   %rbp
  mov    %r12d,%edi
  mov    %rsi,%rbp
  call   <va_start@plt>
  mov    %r12d,%edx
  mov    %rbp,%rsi
  mov    %r13d,%edi
  call   <vsyslog@plt>
  mov    %r12d,%edi
  call   <va_end@plt>
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void log_it(int priority, char const *format, ...) {
  va_list ap;
  va_start(ap, format);
  vsyslog(priority, format, ap);
  va_end(ap);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<isPrime>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  cmpl   $0x0,-0x14(%rbp)
  je     L82
  cmpl   $0x1,-0x14(%rbp)
  je     L82
  cmpl   $0x2,-0x14(%rbp)
  je     L82
  cmpl   $0x3,-0x14(%rbp)
  jne    L21
L82:
  mov    $0x1,%eax
  jmp    L68
L21:
  movl   $0x2,-0x4(%rbp)
  jmp    L88
L41:
  mov    -0x14(%rbp),%eax
  cltd
  idivl  -0x4(%rbp)
  mov    %edx,%eax
  test   %eax,%eax
  jne    L35
  mov    $0x0,%eax
  jmp    L68
L35:
  addl   $0x1,-0x4(%rbp)
L88:
  mov    -0x14(%rbp),%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  cmp    %eax,-0x4(%rbp)
  jle    L41
  mov    $0x1,%eax
L68:
  pop    %rbp
  ret
```

assistant: ```c
int isPrime(n) {
  int i;
  if (n == 0 || n == 1 || n == 2 || n == 3)
    return 1;
  for (i = 2; i <= n / 2; i++) {
    if (n % i == 0)
      return 0;
  }
  return 1;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<isPrime>:
  endbr64
  mov    $0x1,%eax
  cmp    $0x3,%edi
  jbe    L35
  mov    %edi,%esi
  shr    $0x1f,%esi
  add    %edi,%esi
  sar    %esi
  cmp    $0x3,%edi
  jle    L39
  test   $0x1,%dil
  je     L21
  mov    $0x2,%ecx
L51:
  add    $0x1,%ecx
  cmp    %esi,%ecx
  jg     L40
  mov    %edi,%eax
  cltd
  idiv   %ecx
  mov    %edx,%eax
  test   %edx,%edx
  jne    L51
L35:
  ret
L40:
  mov    $0x1,%eax
  ret
L39:
  mov    $0x1,%eax
  ret
L21:
  mov    $0x0,%eax
  jmp    L35
```

assistant: ```c
int isPrime(n) {
  int i;
  if (n == 0 || n == 1 || n == 2 || n == 3)
    return 1;
  for (i = 2; i <= n / 2; i++) {
    if (n % i == 0)
      return 0;
  }
  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
<isPrime>:
  endbr64
  mov    $0x1,%edx
  cmp    $0x3,%edi
  jbe    L20
  mov    %edi,%esi
  shr    $0x1f,%esi
  add    %edi,%esi
  sar    %esi
  cmp    $0x3,%edi
  jle    L20
  test   $0x1,%dil
  je     L25
  mov    $0x2,%ecx
  jmp    L42
  nopl   0x0(%rax)
L63:
  mov    %edi,%eax
  cltd
  idiv   %ecx
  test   %edx,%edx
  je     L20
L42:
  add    $0x1,%ecx
  cmp    %esi,%ecx
  jle    L63
  mov    $0x1,%edx
L20:
  mov    %edx,%eax
  ret
L25:
  xor    %edx,%edx
  jmp    L20
```

assistant: ```c
int isPrime(n) {
  int i;
  if (n == 0 || n == 1 || n == 2 || n == 3)
    return 1;
  for (i = 2; i <= n / 2; i++) {
    if (n % i == 0)
      return 0;
  }
  return 1;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<isPrime>:
  endbr64
  mov    $0x1,%edx
  cmp    $0x3,%edi
  jbe    L11
  mov    %edi,%esi
  shr    $0x1f,%esi
  add    %edi,%esi
  sar    %esi
  cmp    $0x3,%edi
  jle    L11
  test   $0x1,%dil
  je     L0
  mov    $0x2,%ecx
  jmp    L23
  nopl   0x0(%rax)
L44:
  mov    %edi,%eax
  cltd
  idiv   %ecx
  test   %edx,%edx
  je     L11
L23:
  add    $0x1,%ecx
  cmp    %esi,%ecx
  jle    L44
  mov    $0x1,%edx
L11:
  mov    %edx,%eax
  ret
L0:
  xor    %edx,%edx
  jmp    L11
```

assistant: ```c
int isPrime(n) {
  int i;
  if (n == 0 || n == 1 || n == 2 || n == 3)
    return 1;
  for (i = 2; i <= n / 2; i++) {
    if (n % i == 0)
      return 0;
  }
  return 1;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<utf8_chrw>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <guess_char_width@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x2,-0x8(%rbp)
  jne    L106
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  and    $0xc0,%eax
  cmp    $0x80,%eax
  jne    L106
  mov    $0x2,%eax
  jmp    L51
L106:
  cmpq   $0x3,-0x8(%rbp)
  jne    L109
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  and    $0xc0,%eax
  cmp    $0x80,%eax
  jne    L109
  mov    -0x18(%rbp),%rax
  add    $0x2,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  and    $0xc0,%eax
  cmp    $0x80,%eax
  jne    L109
  mov    $0x3,%eax
  jmp    L51
L109:
  cmpq   $0x4,-0x8(%rbp)
  jne    L71
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  and    $0xc0,%eax
  cmp    $0x80,%eax
  jne    L71
  mov    -0x18(%rbp),%rax
  add    $0x2,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  and    $0xc0,%eax
  cmp    $0x80,%eax
  jne    L71
  mov    -0x18(%rbp),%rax
  add    $0x3,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  and    $0xc0,%eax
  cmp    $0x80,%eax
  jne    L71
  mov    $0x4,%eax
  jmp    L51
L71:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L36
  mov    $0x0,%eax
  jmp    L51
L36:
  mov    $0x1,%eax
L51:
  leave
  ret
```

assistant: ```c
size_t utf8_chrw(const char str[]) {
  const size_t expected = guess_char_width(str[0]);
  if (expected == 2 && (str[1] & 0xc0) == 0x80)
    return 2;
  else if (expected == 3 && (str[1] & 0xc0) == 0x80 && (str[2] & 0xc0) == 0x80)
    return 3;
  else if (expected == 4 && (str[1] & 0xc0) == 0x80 && (str[2] & 0xc0) == 0x80 && (str[3] & 0xc0) == 0x80)
    return 4;
  else if (str[0] == '\0')
    return 0;
  return 1;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<utf8_chrw>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  movsbl (%rdi),%edi
  call   <guess_char_width@plt>
  cmp    $0x2,%rax
  je     L102
  cmp    $0x3,%rax
  je     L103
  cmp    $0x4,%rax
  jne    L67
  movsbl 0x1(%rbx),%edx
  and    $0xc0,%edx
  cmp    $0x80,%edx
  jne    L67
  movsbl 0x2(%rbx),%edx
  and    $0xc0,%edx
  cmp    $0x80,%edx
  jne    L67
  movsbl 0x3(%rbx),%edx
  and    $0xc0,%edx
  cmp    $0x80,%edx
  jne    L67
  jmp    L15
L102:
  movsbl 0x1(%rbx),%edx
  and    $0xc0,%edx
  cmp    $0x80,%edx
  je     L15
L67:
  cmpb   $0x0,(%rbx)
  setne  %al
  movzbl %al,%eax
L15:
  pop    %rbx
  ret
L103:
  movsbl 0x1(%rbx),%edx
  and    $0xc0,%edx
  cmp    $0x80,%edx
  jne    L67
  movsbl 0x2(%rbx),%edx
  and    $0xc0,%edx
  cmp    $0x80,%edx
  jne    L67
  jmp    L15
```

assistant: ```c
size_t utf8_chrw(const char str[]) {
  const size_t expected = guess_char_width(str[0]);
  if (expected == 2 && (str[1] & 0xc0) == 0x80)
    return 2;
  else if (expected == 3 && (str[1] & 0xc0) == 0x80 && (str[2] & 0xc0) == 0x80)
    return 3;
  else if (expected == 4 && (str[1] & 0xc0) == 0x80 && (str[2] & 0xc0) == 0x80 && (str[3] & 0xc0) == 0x80)
    return 4;
  else if (str[0] == '\0')
    return 0;
  return 1;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<utf8_chrw>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  movsbl (%rdi),%edi
  call   <guess_char_width@plt>
  cmp    $0x2,%rax
  je     L88
  cmp    $0x3,%rax
  je     L58
  cmp    $0x4,%rax
  jne    L61
  movsbl 0x1(%rbx),%edx
  and    $0xc0,%edx
  cmp    $0x80,%edx
  je     L80
L61:
  xor    %eax,%eax
  cmpb   $0x0,(%rbx)
  pop    %rbx
  setne  %al
  ret
  xchg   %ax,%ax
L58:
  movsbl 0x1(%rbx),%edx
  and    $0xc0,%edx
  cmp    $0x80,%edx
  jne    L61
  movsbl 0x2(%rbx),%edx
  and    $0xc0,%edx
  cmp    $0x80,%edx
  jne    L61
  pop    %rbx
  ret
  cs nopw 0x0(%rax,%rax,1)
L88:
  movsbl 0x1(%rbx),%edx
  and    $0xc0,%edx
  cmp    $0x80,%edx
  jne    L61
  pop    %rbx
  ret
  nopl   0x0(%rax)
L80:
  movsbl 0x2(%rbx),%edx
  and    $0xc0,%edx
  cmp    $0x80,%edx
  jne    L61
  movsbl 0x3(%rbx),%edx
  and    $0xc0,%edx
  cmp    $0x80,%edx
  jne    L61
  pop    %rbx
  ret
```

assistant: ```c
size_t utf8_chrw(const char str[]) {
  const size_t expected = guess_char_width(str[0]);
  if (expected == 2 && (str[1] & 0xc0) == 0x80)
    return 2;
  else if (expected == 3 && (str[1] & 0xc0) == 0x80 && (str[2] & 0xc0) == 0x80)
    return 3;
  else if (expected == 4 && (str[1] & 0xc0) == 0x80 && (str[2] & 0xc0) == 0x80 && (str[3] & 0xc0) == 0x80)
    return 4;
  else if (str[0] == '\0')
    return 0;
  return 1;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<utf8_chrw>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  movsbl (%rdi),%edi
  call   <guess_char_width@plt>
  cmp    $0x2,%rax
  je     L25
  cmp    $0x3,%rax
  je     L71
  cmp    $0x4,%rax
  jne    L9
  movsbl 0x1(%rbx),%edx
  and    $0xc0,%edx
  cmp    $0x80,%edx
  je     L10
L9:
  xor    %eax,%eax
  cmpb   $0x0,(%rbx)
  pop    %rbx
  setne  %al
  ret
  xchg   %ax,%ax
L71:
  movsbl 0x1(%rbx),%edx
  and    $0xc0,%edx
  cmp    $0x80,%edx
  jne    L9
  movsbl 0x2(%rbx),%edx
  and    $0xc0,%edx
  cmp    $0x80,%edx
  jne    L9
  pop    %rbx
  ret
  cs nopw 0x0(%rax,%rax,1)
L25:
  movsbl 0x1(%rbx),%edx
  and    $0xc0,%edx
  cmp    $0x80,%edx
  jne    L9
  pop    %rbx
  ret
  nopl   0x0(%rax)
L10:
  movsbl 0x2(%rbx),%edx
  and    $0xc0,%edx
  cmp    $0x80,%edx
  jne    L9
  movsbl 0x3(%rbx),%edx
  and    $0xc0,%edx
  cmp    $0x80,%edx
  jne    L9
  pop    %rbx
  ret
```

assistant: ```c
size_t utf8_chrw(const char str[]) {
  const size_t expected = guess_char_width(str[0]);
  if (expected == 2 && (str[1] & 0xc0) == 0x80)
    return 2;
  else if (expected == 3 && (str[1] & 0xc0) == 0x80 && (str[2] & 0xc0) == 0x80)
    return 3;
  else if (expected == 4 && (str[1] & 0xc0) == 0x80 && (str[2] & 0xc0) == 0x80 && (str[3] & 0xc0) == 0x80)
    return 4;
  else if (str[0] == '\0')
    return 0;
  return 1;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<semV>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %edi,-0x34(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x34(%rbp),%eax
  mov    $0x1b6,%edx
  mov    $0x1,%esi
  mov    %eax,%edi
  call   <semget@plt>
  mov    %eax,-0x28(%rbp)
  cmpl   $0x0,-0x28(%rbp)
  jns    L27
  mov    -0x34(%rbp),%eax
  mov    %eax,%esi
  mov    $0x0,%edi
  call   <semInit@plt>
  mov    %eax,-0x28(%rbp)
  cmpl   $0x0,-0x28(%rbp)
  je     L3
L27:
  movq   $0x0,-0x10(%rbp)
  movl   $0x1,-0x20(%rbp)
  movq   $0x0,-0x18(%rbp)
  lea    -0x20(%rbp),%rcx
  mov    -0x28(%rbp),%eax
  mov    $0x1,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <semop@plt>
  mov    %eax,-0x24(%rbp)
  cmpl   $0x0,-0x24(%rbp)
  je     L19
  mov    -0x34(%rbp),%eax
  mov    %eax,%esi
  lea    D0(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  jmp    L19
L3:
  nop
L19:
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L5
  call   <__stack_chk_fail@plt>
L5:
  leave
  ret
```

tool_calls: name: unpack_data
arguments: tag: D0
type: string

tool: D0: V-operation did not succeed %d


assistant: ```c
void semV(int key) {
  int semId = semget(key, 1, 0666);
  if (semId < 0) {
    semId = semInit(0, key);
    if (!semId)
      return;
  }
  struct sembuf operations[1];
  operations[0].sem_num = 0;
  operations[0].sem_op = 1;
  operations[0].sem_flg = 0;
  int retval = semop(semId, operations, 1);
  if (retval == 0) {
    ;
  } else {
    printf("V-operation did not succeed %d\n", key);
  }
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<semV>:
  endbr64
  push   %rbx
  sub    $0x20,%rsp
  mov    %edi,%ebx
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    $0x1b6,%edx
  mov    $0x1,%esi
  call   <semget@plt>
  test   %eax,%eax
  js     L11
L17:
  movq   $0x0,0x10(%rsp)
  movl   $0x1,(%rsp)
  movq   $0x0,0x8(%rsp)
  mov    %rsp,%rsi
  mov    $0x1,%edx
  mov    %eax,%edi
  call   <semop@plt>
  test   %eax,%eax
  jne    L41
L0:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L53
  add    $0x20,%rsp
  pop    %rbx
  ret
L11:
  mov    %ebx,%esi
  mov    $0x0,%edi
  call   <semInit@plt>
  test   %eax,%eax
  jne    L17
  jmp    L0
L41:
  mov    %ebx,%esi
  lea    D3(%rip),%rdi
  call   <printf@plt>
  jmp    L0
L53:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: tag: D3
data_type: string

tool: D3: V-operation did not succeed %d


assistant: ```c
void semV(int key) {
  int semId = semget(key, 1, 0666);
  if (semId < 0) {
    semId = semInit(0, key);
    if (!semId)
      return;
  }
  struct sembuf operations[1];
  operations[0].sem_num = 0;
  operations[0].sem_op = 1;
  operations[0].sem_flg = 0;
  int retval = semop(semId, operations, 1);
  if (retval == 0) {
    ;
  } else {
    printf("V-operation did not succeed %d\n", key);
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<semV>:
  endbr64
  push   %rbp
  mov    $0x1b6,%edx
  mov    $0x1,%esi
  mov    %edi,%ebp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <semget@plt>
  mov    %eax,%edi
  test   %eax,%eax
  js     L30
L4:
  mov    %rsp,%rsi
  mov    $0x1,%edx
  movq   $0x0,0x10(%rsp)
  movl   $0x1,(%rsp)
  movq   $0x0,0x8(%rsp)
  call   <semop@plt>
  test   %eax,%eax
  jne    L51
L37:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L35
  add    $0x20,%rsp
  pop    %rbp
  ret
L30:
  xor    %edi,%edi
  mov    %ebp,%esi
  call   <semInit@plt>
  mov    %eax,%edi
  test   %eax,%eax
  jne    L4
  jmp    L37
  nopl   0x0(%rax)
L51:
  mov    %ebp,%esi
  lea    D1(%rip),%rdi
  call   <printf@plt>
  jmp    L37
L35:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: label: D1
type_guessed: string

tool: D1: V-operation did not succeed %d


assistant: ```c
void semV(int key) {
  int semId = semget(key, 1, 0666);
  if (semId < 0) {
    semId = semInit(0, key);
    if (!semId)
      return;
  }
  struct sembuf operations[1];
  operations[0].sem_num = 0;
  operations[0].sem_op = 1;
  operations[0].sem_flg = 0;
  int retval = semop(semId, operations, 1);
  if (retval == 0) {
    ;
  } else {
    printf("V-operation did not succeed %d\n", key);
  }
}
```