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

```asm
<createTaskStack>:
  endbr64
  lea    0x3c0(%rdi),%rax
  cmpb   $0x0,D15(%rip)
  je     L7
  mov    %esi,0x3e0(%rdi)
  movb   $0x0,D15(%rip)
  ret
L7:
  movl   $0xfffffffd,0x3e0(%rdi)
  mov    %esi,0x3fc(%rdi)
  movl   $0x1000000,0x400(%rdi)
  ret
```

assistant: ```c
unsigned int *createTaskStack(unsigned int *userStack, void (*func)(void)) {
  static unsigned char first = 1;
  userStack += 256 - 16;
  if (first) {
    userStack[8] = (unsigned int)func;
    first = 0;
  } else {
    userStack[8] = 0xfffffffd;
    userStack[15] = (unsigned int)func;
    userStack[16] = 0x01000000;
  }
  return userStack;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<createTaskStack>:
  endbr64
  cmpb   $0x0,D6(%rip)
  lea    0x3c0(%rdi),%rax
  je     L0
  mov    %esi,0x3e0(%rdi)
  movb   $0x0,D6(%rip)
  ret
  nopw   0x0(%rax,%rax,1)
L0:
  movl   $0xfffffffd,0x3e0(%rdi)
  mov    %esi,0x3fc(%rdi)
  movl   $0x1000000,0x400(%rdi)
  ret
```

assistant: ```c
unsigned int *createTaskStack(unsigned int *userStack, void (*func)(void)) {
  static unsigned char first = 1;
  userStack += 256 - 16;
  if (first) {
    userStack[8] = (unsigned int)func;
    first = 0;
  } else {
    userStack[8] = 0xfffffffd;
    userStack[15] = (unsigned int)func;
    userStack[16] = 0x01000000;
  }
  return userStack;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<createTaskStack>:
  endbr64
  cmpb   $0x0,D9(%rip)
  lea    0x3c0(%rdi),%r8
  mov    %esi,%eax
  je     L2
  mov    %eax,0x3e0(%rdi)
  mov    %r8,%rax
  movb   $0x0,D9(%rip)
  ret
  nopw   0x0(%rax,%rax,1)
L2:
  mov    $0xfffffffd,%eax
  mov    %esi,0x3fc(%rdi)
  mov    %eax,0x3e0(%rdi)
  mov    %r8,%rax
  movl   $0x1000000,0x400(%rdi)
  ret
```

assistant: ```c
unsigned int *createTaskStack(unsigned int *userStack, void (*func)(void)) {
  static unsigned char first = 1;
  userStack += 256 - 16;
  if (first) {
    userStack[8] = (unsigned int)func;
    first = 0;
  } else {
    userStack[8] = 0xfffffffd;
    userStack[15] = (unsigned int)func;
    userStack[16] = 0x01000000;
  }
  return userStack;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<concatenar>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,%eax
  mov    %al,-0x1c(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  add    $0x2,%rax
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x18(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    -0x8(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rax,%rdx
  movzbl -0x1c(%rbp),%eax
  mov    %al,(%rdx)
  mov    -0x10(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x8(%rbp),%rax
  leave
  ret
```

assistant: ```c
char *concatenar(char *codigo, char novo) {
  size_t tamanho = strlen(codigo);
  char *novo_codigo = (char *)malloc(tamanho + 2);
  strcpy(novo_codigo, codigo);
  novo_codigo[tamanho] = novo;
  novo_codigo[tamanho + 1] = '\0';
  return novo_codigo;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<concatenar>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r12
  mov    %esi,%r13d
  call   <strlen@plt>
  mov    %rax,%rbp
  lea    0x2(%rax),%rdi
  call   <malloc@plt>
  mov    %rax,%rbx
  mov    %r12,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    %r13b,(%rbx,%rbp,1)
  movb   $0x0,0x1(%rbx,%rbp,1)
  mov    %rbx,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
char *concatenar(char *codigo, char novo) {
  size_t tamanho = strlen(codigo);
  char *novo_codigo = (char *)malloc(tamanho + 2);
  strcpy(novo_codigo, codigo);
  novo_codigo[tamanho] = novo;
  novo_codigo[tamanho + 1] = '\0';
  return novo_codigo;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<concatenar>:
  endbr64
  push   %r13
  mov    %esi,%r13d
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <strlen@plt>
  lea    0x2(%rax),%rdi
  mov    %rax,%rbx
  call   <malloc@plt>
  mov    %rbp,%rsi
  mov    %rax,%r12
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    %r13b,(%r12,%rbx,1)
  mov    %r12,%rax
  movb   $0x0,0x1(%r12,%rbx,1)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
char *concatenar(char *codigo, char novo) {
  size_t tamanho = strlen(codigo);
  char *novo_codigo = (char *)malloc(tamanho + 2);
  strcpy(novo_codigo, codigo);
  novo_codigo[tamanho] = novo;
  novo_codigo[tamanho + 1] = '\0';
  return novo_codigo;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<concatenar>:
  endbr64
  push   %r13
  mov    %esi,%r13d
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <strlen@plt>
  lea    0x2(%rax),%rdi
  mov    %rax,%rbx
  call   <malloc@plt>
  mov    %rbp,%rsi
  mov    %rax,%r12
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    %r13b,(%r12,%rbx,1)
  mov    %r12,%rax
  movb   $0x0,0x1(%r12,%rbx,1)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
char *concatenar(char *codigo, char novo) {
  size_t tamanho = strlen(codigo);
  char *novo_codigo = (char *)malloc(tamanho + 2);
  strcpy(novo_codigo, codigo);
  novo_codigo[tamanho] = novo;
  novo_codigo[tamanho + 1] = '\0';
  return novo_codigo;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<MakeSegv>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x14(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  movl   $0x1,(%rax)
  mov    -0x10(%rbp),%rax
  movl   $0x2,(%rax)
  mov    -0x10(%rbp),%rax
  movl   $0x3,(%rax)
  mov    -0x10(%rbp),%rax
  movl   $0x4,(%rax)
  mov    -0x10(%rbp),%rax
  movl   $0x5,(%rax)
  mov    -0x10(%rbp),%rax
  movl   $0x6,(%rax)
  mov    -0x10(%rbp),%rax
  movl   $0x7,(%rax)
  mov    -0x10(%rbp),%rax
  movl   $0x8,(%rax)
  mov    -0x10(%rbp),%rax
  movl   $0x9,(%rax)
  movq   $0x9,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  mov    (%rax),%eax
  mov    %eax,-0x14(%rbp)
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L7
  call   <__stack_chk_fail@plt>
L7:
  leave
  ret
```

assistant: ```c
void MakeSegv() {
  volatile int *p;
  int i;
  p = &i;
  *p = 1;
  *p = 2;
  *p = 3;
  *p = 4;
  *p = 5;
  *p = 6;
  *p = 7;
  *p = 8;
  *p = 9;
  p = (volatile int *)0x9;
  i = *p;
}
```
user: Translate the below assembly code into C programming language:

```asm
<MakeSegv>:
  endbr64
  mov    0x9,%eax
  ret
```

assistant: ```c
void MakeSegv() {
  volatile int *p;
  int i;
  p = &i;
  *p = 1;
  *p = 2;
  *p = 3;
  *p = 4;
  *p = 5;
  *p = 6;
  *p = 7;
  *p = 8;
  *p = 9;
  p = (volatile int *)0x9;
  i = *p;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<MakeSegv>:
  endbr64
  mov    0x9,%eax
  ret
```

assistant: ```c
void MakeSegv() {
  volatile int *p;
  int i;
  p = &i;
  *p = 1;
  *p = 2;
  *p = 3;
  *p = 4;
  *p = 5;
  *p = 6;
  *p = 7;
  *p = 8;
  *p = 9;
  p = (volatile int *)0x9;
  i = *p;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<MakeSegv>:
  endbr64
  mov    0x9,%eax
  ret
```

assistant: ```c
void MakeSegv() {
  volatile int *p;
  int i;
  p = &i;
  *p = 1;
  *p = 2;
  *p = 3;
  *p = 4;
  *p = 5;
  *p = 6;
  *p = 7;
  *p = 8;
  *p = 9;
  p = (volatile int *)0x9;
  i = *p;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<SwapLong>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0x10(%rbp)
  jmp    L21
L4:
  mov    -0x10(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    %eax,-0xc(%rbp)
  movzbl -0xc(%rbp),%eax
  mov    %al,-0x12(%rbp)
  movzbl -0xb(%rbp),%eax
  mov    %al,-0x11(%rbp)
  movzbl -0x9(%rbp),%eax
  mov    %al,-0xc(%rbp)
  movzbl -0xa(%rbp),%eax
  mov    %al,-0xb(%rbp)
  movzbl -0x11(%rbp),%eax
  mov    %al,-0xa(%rbp)
  movzbl -0x12(%rbp),%eax
  mov    %al,-0x9(%rbp)
  mov    -0x10(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rax,%rdx
  mov    -0xc(%rbp),%eax
  mov    %eax,(%rdx)
  addl   $0x1,-0x10(%rbp)
L21:
  mov    -0x10(%rbp),%eax
  cmp    -0x2c(%rbp),%eax
  jl     L4
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L23
  call   <__stack_chk_fail@plt>
L23:
  leave
  ret
```

assistant: ```c
void SwapLong(unsigned int *base_address, int count) {
  union {
    unsigned int intvalue;
    unsigned char bytevalue[4];
  } data;
  unsigned char byte0, byte1;
  int i;
  for (i = 0; i < count; i++) {
    data.intvalue = *(base_address + i);
    byte0 = data.bytevalue[0];
    byte1 = data.bytevalue[1];
    data.bytevalue[0] = data.bytevalue[3];
    data.bytevalue[1] = data.bytevalue[2];
    data.bytevalue[2] = byte1;
    data.bytevalue[3] = byte0;
    *(base_address + i) = data.intvalue;
  }
  return;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<SwapLong>:
  endbr64
  test   %esi,%esi
  jle    L4
  push   %rbx
  mov    %rdi,%rcx
  lea    -0x1(%rsi),%eax
  lea    0x4(%rdi,%rax,4),%rdi
L11:
  mov    (%rcx),%edx
  mov    %edx,%eax
  shr    $0x18,%eax
  mov    %al,%bl
  mov    %edx,%eax
  shr    $0x10,%eax
  mov    %al,%bh
  movzbl %dh,%esi
  shl    $0x10,%esi
  movzwl %bx,%eax
  shl    $0x18,%edx
  or     %esi,%eax
  or     %edx,%eax
  mov    %eax,%ebx
  mov    %eax,(%rcx)
  add    $0x4,%rcx
  cmp    %rdi,%rcx
  jne    L11
  pop    %rbx
  ret
L4:
  ret
```

assistant: ```c
void SwapLong(unsigned int *base_address, int count) {
  union {
    unsigned int intvalue;
    unsigned char bytevalue[4];
  } data;
  unsigned char byte0, byte1;
  int i;
  for (i = 0; i < count; i++) {
    data.intvalue = *(base_address + i);
    byte0 = data.bytevalue[0];
    byte1 = data.bytevalue[1];
    data.bytevalue[0] = data.bytevalue[3];
    data.bytevalue[1] = data.bytevalue[2];
    data.bytevalue[2] = byte1;
    data.bytevalue[3] = byte0;
    *(base_address + i) = data.intvalue;
  }
  return;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<SwapLong>:
  endbr64
  test   %esi,%esi
  jle    L10
  lea    -0x1(%rsi),%eax
  lea    0x4(%rdi,%rax,4),%rdx
L18:
  mov    (%rdi),%eax
  add    $0x4,%rdi
  bswap  %eax
  mov    %eax,-0x4(%rdi)
  cmp    %rdx,%rdi
  jne    L18
L10:
  ret
```

assistant: ```c
void SwapLong(unsigned int *base_address, int count) {
  union {
    unsigned int intvalue;
    unsigned char bytevalue[4];
  } data;
  unsigned char byte0, byte1;
  int i;
  for (i = 0; i < count; i++) {
    data.intvalue = *(base_address + i);
    byte0 = data.bytevalue[0];
    byte1 = data.bytevalue[1];
    data.bytevalue[0] = data.bytevalue[3];
    data.bytevalue[1] = data.bytevalue[2];
    data.bytevalue[2] = byte1;
    data.bytevalue[3] = byte0;
    *(base_address + i) = data.intvalue;
  }
  return;
}
```
user: What is the c source code of the assembly code below:

```asm
<SwapLong>:
  endbr64
  test   %esi,%esi
  jle    L5
  lea    -0x1(%rsi),%eax
  lea    0x4(%rdi,%rax,4),%rdx
L8:
  mov    (%rdi),%eax
  add    $0x4,%rdi
  bswap  %eax
  mov    %eax,-0x4(%rdi)
  cmp    %rdx,%rdi
  jne    L8
L5:
  ret
```

assistant: ```c
void SwapLong(unsigned int *base_address, int count) {
  union {
    unsigned int intvalue;
    unsigned char bytevalue[4];
  } data;
  unsigned char byte0, byte1;
  int i;
  for (i = 0; i < count; i++) {
    data.intvalue = *(base_address + i);
    byte0 = data.bytevalue[0];
    byte1 = data.bytevalue[1];
    data.bytevalue[0] = data.bytevalue[3];
    data.bytevalue[1] = data.bytevalue[2];
    data.bytevalue[2] = byte1;
    data.bytevalue[3] = byte0;
    *(base_address + i) = data.intvalue;
  }
  return;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<fpathconf>:
  endbr64
  sub    $0x8,%rsp
  test   %edi,%edi
  js     L4
  mov    D21(%rip),%rax
  cmp    %esi,(%rax)
  je     L36
  mov    $0x20,%eax
  cmp    $0x8f,%esi
  je     L20
  jle    L45
  sub    $0x90,%esi
  mov    $0xffffffffffffffff,%rax
  cmp    $0x2,%esi
  ja     L5
L20:
  add    $0x8,%rsp
  ret
L4:
  mov    D24(%rip),%rax
  mov    (%rax),%edi
  call   <__set_errno@plt>
  mov    $0xffffffffffffffff,%rax
  jmp    L20
L45:
  add    $0xffffff80,%esi
  mov    $0xffffffffffffffff,%rax
  cmp    $0xe,%esi
  jbe    L20
L5:
  mov    D23(%rip),%rax
  mov    (%rax),%edi
  call   <__set_errno@plt>
  mov    $0xffffffffffffffff,%rax
  jmp    L20
L36:
  mov    $0x7f,%eax
  jmp    L20
```

assistant: ```c
long int fpathconf(int fd, int name) {
  if (fd < 0) {
    __set_errno(EBADF);
    return -1;
  }
  if (name == _PC_LINK_MAX) {
    return 127;
  }
  switch (name) {
  default:
    __set_errno(EINVAL);
    return -1;
  case _PC_MAX_CANON:
    return -1;
  case _PC_MAX_INPUT:
    return -1;
  case _PC_NAME_MAX:
    return -1;
  case _PC_PATH_MAX:
    return -1;
  case _PC_PIPE_BUF:
    return -1;
  case _PC_CHOWN_RESTRICTED:
    return -1;
  case _PC_NO_TRUNC:
    return -1;
  case _PC_VDISABLE:
    return -1;
  case _PC_SYNC_IO:
    return -1;
  case _PC_ASYNC_IO:
    return -1;
  case _PC_PRIO_IO:
    return -1;
  case _PC_SOCK_MAXBUF:
    return -1;
  case _PC_FILESIZEBITS:
    return 32;
  case _PC_REC_INCR_XFER_SIZE:
  case _PC_REC_MAX_XFER_SIZE:
  case _PC_REC_MIN_XFER_SIZE:
  case _PC_REC_XFER_ALIGN:
  case _PC_ALLOC_SIZE_MIN:
  case _PC_SYMLINK_MAX:
    return -1;
  }
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<fpathconf>:
  endbr64
  sub    $0x8,%rsp
  test   %edi,%edi
  js     L6
  mov    D7(%rip),%rax
  cmp    %esi,(%rax)
  je     L15
  mov    $0x20,%eax
  cmp    $0x8f,%esi
  je     L1
  jle    L70
  sub    $0x90,%esi
  mov    $0xffffffffffffffff,%rax
  cmp    $0x2,%esi
  ja     L69
L1:
  add    $0x8,%rsp
  ret
  nopl   (%rax)
L70:
  add    $0xffffff80,%esi
  cmp    $0xe,%esi
  ja     L69
  mov    $0xffffffffffffffff,%rax
L40:
  add    $0x8,%rsp
  ret
  nopl   0x0(%rax)
L69:
  mov    D16(%rip),%rax
  mov    (%rax),%edi
  call   <__set_errno@plt>
  mov    $0xffffffffffffffff,%rax
  jmp    L40
  nop
L15:
  mov    $0x7f,%eax
  add    $0x8,%rsp
  ret
L6:
  mov    D4(%rip),%rax
  mov    (%rax),%edi
  call   <__set_errno@plt>
  mov    $0xffffffffffffffff,%rax
  jmp    L1
```

assistant: ```c
long int fpathconf(int fd, int name) {
  if (fd < 0) {
    __set_errno(EBADF);
    return -1;
  }
  if (name == _PC_LINK_MAX) {
    return 127;
  }
  switch (name) {
  default:
    __set_errno(EINVAL);
    return -1;
  case _PC_MAX_CANON:
    return -1;
  case _PC_MAX_INPUT:
    return -1;
  case _PC_NAME_MAX:
    return -1;
  case _PC_PATH_MAX:
    return -1;
  case _PC_PIPE_BUF:
    return -1;
  case _PC_CHOWN_RESTRICTED:
    return -1;
  case _PC_NO_TRUNC:
    return -1;
  case _PC_VDISABLE:
    return -1;
  case _PC_SYNC_IO:
    return -1;
  case _PC_ASYNC_IO:
    return -1;
  case _PC_PRIO_IO:
    return -1;
  case _PC_SOCK_MAXBUF:
    return -1;
  case _PC_FILESIZEBITS:
    return 32;
  case _PC_REC_INCR_XFER_SIZE:
  case _PC_REC_MAX_XFER_SIZE:
  case _PC_REC_MIN_XFER_SIZE:
  case _PC_REC_XFER_ALIGN:
  case _PC_ALLOC_SIZE_MIN:
  case _PC_SYMLINK_MAX:
    return -1;
  }
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<fpathconf>:
  endbr64
  sub    $0x8,%rsp
  test   %edi,%edi
  js     L77
  mov    D0(%rip),%rax
  cmp    %esi,(%rax)
  je     L26
  mov    $0x20,%eax
  cmp    $0x8f,%esi
  je     L62
  jle    L21
  sub    $0x90,%esi
  mov    $0xffffffffffffffff,%rax
  cmp    $0x2,%esi
  ja     L17
L62:
  add    $0x8,%rsp
  ret
  nopl   (%rax)
L21:
  add    $0xffffff80,%esi
  cmp    $0xe,%esi
  ja     L17
  mov    $0xffffffffffffffff,%rax
L19:
  add    $0x8,%rsp
  ret
  nopl   0x0(%rax)
L17:
  mov    D19(%rip),%rax
  mov    (%rax),%edi
  call   <__set_errno@plt>
  mov    $0xffffffffffffffff,%rax
  jmp    L19
  nop
L26:
  mov    $0x7f,%eax
  add    $0x8,%rsp
  ret
L77:
  mov    D8(%rip),%rax
  mov    (%rax),%edi
  call   <__set_errno@plt>
  mov    $0xffffffffffffffff,%rax
  jmp    L62
```

assistant: ```c
long int fpathconf(int fd, int name) {
  if (fd < 0) {
    __set_errno(EBADF);
    return -1;
  }
  if (name == _PC_LINK_MAX) {
    return 127;
  }
  switch (name) {
  default:
    __set_errno(EINVAL);
    return -1;
  case _PC_MAX_CANON:
    return -1;
  case _PC_MAX_INPUT:
    return -1;
  case _PC_NAME_MAX:
    return -1;
  case _PC_PATH_MAX:
    return -1;
  case _PC_PIPE_BUF:
    return -1;
  case _PC_CHOWN_RESTRICTED:
    return -1;
  case _PC_NO_TRUNC:
    return -1;
  case _PC_VDISABLE:
    return -1;
  case _PC_SYNC_IO:
    return -1;
  case _PC_ASYNC_IO:
    return -1;
  case _PC_PRIO_IO:
    return -1;
  case _PC_SOCK_MAXBUF:
    return -1;
  case _PC_FILESIZEBITS:
    return 32;
  case _PC_REC_INCR_XFER_SIZE:
  case _PC_REC_MAX_XFER_SIZE:
  case _PC_REC_MIN_XFER_SIZE:
  case _PC_REC_XFER_ALIGN:
  case _PC_ALLOC_SIZE_MIN:
  case _PC_SYMLINK_MAX:
    return -1;
  }
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<create_signal>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %edx,-0x30(%rbp)
  movsd  %xmm0,-0x38(%rbp)
  movsd  %xmm1,-0x40(%rbp)
  movl   $0x0,-0x18(%rbp)
  jmp    L35
L22:
  movl   $0x0,-0x14(%rbp)
  jmp    L33
L32:
  mov    D8(%rip),%rax
  movss  (%rax),%xmm0
  addss  %xmm0,%xmm0
  cvtss2sd %xmm0,%xmm0
  movapd %xmm0,%xmm1
  mulsd  -0x38(%rbp),%xmm1
  pxor   %xmm0,%xmm0
  cvtsi2sdl -0x14(%rbp),%xmm0
  mulsd  %xmm1,%xmm0
  divsd  -0x40(%rbp),%xmm0
  pxor   %xmm2,%xmm2
  cvtsd2ss %xmm0,%xmm2
  movd   %xmm2,%eax
  mov    -0x14(%rbp),%edx
  mov    %edx,%ecx
  imul   -0x2c(%rbp),%ecx
  mov    -0x18(%rbp),%edx
  add    %ecx,%edx
  movslq %edx,%rdx
  lea    0x0(,%rdx,4),%rcx
  mov    -0x28(%rbp),%rdx
  lea    (%rcx,%rdx,1),%rbx
  movd   %eax,%xmm0
  call   <sinf@plt>
  movd   %xmm0,%eax
  mov    %eax,(%rbx)
  addl   $0x1,-0x14(%rbp)
L33:
  mov    -0x14(%rbp),%eax
  cmp    -0x30(%rbp),%eax
  jl     L32
  addl   $0x1,-0x18(%rbp)
L35:
  mov    -0x18(%rbp),%eax
  cmp    -0x2c(%rbp),%eax
  jl     L22
  nop
  nop
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
void create_signal(float *signal, int nch, int ns, double freq, double fs) {
  int i, j;
  for (i = 0; i < nch; i++) {
    for (j = 0; j < ns; j++) {
      signal[j * nch + i] = sinf(2.f * M_PI * freq * j / fs);
    }
  }
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<create_signal>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,0x10(%rsp)
  movsd  %xmm0,(%rsp)
  movsd  %xmm1,0x8(%rsp)
  test   %esi,%esi
  jle    L0
  mov    %edx,%r12d
  mov    %esi,%eax
  mov    %rax,0x18(%rsp)
  movslq %esi,%rsi
  lea    0x0(,%rsi,4),%r13
  mov    $0x0,%r15d
  jmp    L48
L4:
  movss  (%r14),%xmm0
  addss  %xmm0,%xmm0
  cvtss2sd %xmm0,%xmm0
  mulsd  (%rsp),%xmm0
  pxor   %xmm1,%xmm1
  cvtsi2sd %ebx,%xmm1
  mulsd  %xmm1,%xmm0
  divsd  0x8(%rsp),%xmm0
  cvtsd2ss %xmm0,%xmm0
  call   <sinf@plt>
  movss  %xmm0,0x0(%rbp)
  add    $0x1,%ebx
  add    %r13,%rbp
  cmp    %ebx,%r12d
  jne    L4
L42:
  add    $0x1,%r15
  cmp    0x18(%rsp),%r15
  je     L0
L48:
  mov    0x10(%rsp),%rax
  lea    (%rax,%r15,4),%rbp
  mov    $0x0,%ebx
  test   %r12d,%r12d
  jle    L42
  mov    D7(%rip),%r14
  jmp    L4
L0:
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void create_signal(float *signal, int nch, int ns, double freq, double fs) {
  int i, j;
  for (i = 0; i < nch; i++) {
    for (j = 0; j < ns; j++) {
      signal[j * nch + i] = sinf(2.f * M_PI * freq * j / fs);
    }
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<create_signal>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,0x18(%rsp)
  movsd  %xmm0,(%rsp)
  movsd  %xmm1,0x8(%rsp)
  test   %esi,%esi
  jle    L37
  movslq %esi,%rax
  mov    %edx,%ebx
  xor    %r13d,%r13d
  mov    %rax,0x10(%rsp)
  lea    0x0(,%rax,4),%r12
  nop
L15:
  test   %ebx,%ebx
  jle    L8
  mov    0x18(%rsp),%rax
  mov    D5(%rip),%rbp
  xor    %r15d,%r15d
  lea    (%rax,%r13,4),%r14
  nopw   0x0(%rax,%rax,1)
L39:
  movss  0x0(%rbp),%xmm0
  pxor   %xmm1,%xmm1
  cvtsi2sd %r15d,%xmm1
  add    $0x1,%r15d
  addss  %xmm0,%xmm0
  cvtss2sd %xmm0,%xmm0
  mulsd  (%rsp),%xmm0
  mulsd  %xmm1,%xmm0
  divsd  0x8(%rsp),%xmm0
  cvtsd2ss %xmm0,%xmm0
  call   <sinf@plt>
  movss  %xmm0,(%r14)
  add    %r12,%r14
  cmp    %r15d,%ebx
  jne    L39
L8:
  add    $0x1,%r13
  cmp    %r13,0x10(%rsp)
  jne    L15
L37:
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void create_signal(float *signal, int nch, int ns, double freq, double fs) {
  int i, j;
  for (i = 0; i < nch; i++) {
    for (j = 0; j < ns; j++) {
      signal[j * nch + i] = sinf(2.f * M_PI * freq * j / fs);
    }
  }
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<create_signal>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,0x10(%rsp)
  movsd  %xmm0,(%rsp)
  movsd  %xmm1,0x8(%rsp)
  test   %esi,%esi
  jle    L25
  mov    %edx,%ebx
  test   %edx,%edx
  jle    L25
  movslq %esi,%rax
  mov    D0(%rip),%rbp
  xor    %r13d,%r13d
  mov    %rax,0x18(%rsp)
  lea    0x0(,%rax,4),%r12
  nopw   0x0(%rax,%rax,1)
L2:
  mov    0x10(%rsp),%rax
  xor    %r14d,%r14d
  lea    (%rax,%r13,4),%r15
  nopl   0x0(%rax)
L17:
  movss  0x0(%rbp),%xmm0
  pxor   %xmm1,%xmm1
  cvtsi2sd %r14d,%xmm1
  add    $0x1,%r14d
  addss  %xmm0,%xmm0
  cvtss2sd %xmm0,%xmm0
  mulsd  (%rsp),%xmm0
  mulsd  %xmm1,%xmm0
  divsd  0x8(%rsp),%xmm0
  cvtsd2ss %xmm0,%xmm0
  call   <sinf@plt>
  movss  %xmm0,(%r15)
  add    %r12,%r15
  cmp    %r14d,%ebx
  jne    L17
  add    $0x1,%r13
  cmp    %r13,0x18(%rsp)
  jne    L2
L25:
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void create_signal(float *signal, int nch, int ns, double freq, double fs) {
  int i, j;
  for (i = 0; i < nch; i++) {
    for (j = 0; j < ns; j++) {
      signal[j * nch + i] = sinf(2.f * M_PI * freq * j / fs);
    }
  }
}
```