ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Demonstrate the C code that generates the assembly output below:

```asm
<wcslen>:
  endbr64
  cmpl   $0x0,(%rdi)
  je     L1
  mov    $0x0,%eax
L17:
  add    $0x1,%rax
  cmpl   $0x0,(%rdi,%rax,4)
  jne    L17
  ret
L1:
  mov    $0x0,%eax
  ret
```

assistant: ```c
size_t wcslen(wchar_t const *s) {
  size_t len = 0;
  while (*s++)
    ++len;
  return len;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<wcslen>:
  endbr64
  mov    (%rdi),%ecx
  xor    %eax,%eax
  test   %ecx,%ecx
  je     L18
  nopl   0x0(%rax)
L13:
  add    $0x1,%rax
  mov    (%rdi,%rax,4),%edx
  test   %edx,%edx
  jne    L13
  ret
  nopl   0x0(%rax)
L18:
  ret
```

assistant: ```c
size_t wcslen(wchar_t const *s) {
  size_t len = 0;
  while (*s++)
    ++len;
  return len;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<wcslen>:
  endbr64
  mov    (%rdi),%ecx
  xor    %eax,%eax
  test   %ecx,%ecx
  je     L1
  nopl   0x0(%rax)
L0:
  add    $0x1,%rax
  mov    (%rdi,%rax,4),%edx
  test   %edx,%edx
  jne    L0
  ret
  nopl   0x0(%rax)
L1:
  ret
```

assistant: ```c
size_t wcslen(wchar_t const *s) {
  size_t len = 0;
  while (*s++)
    ++len;
  return len;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<util_str_remove_whitespace>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  movq   $0x0,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  jmp    L28
L5:
  mov    -0x10(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,%edi
  call   <isspace@plt>
  test   %eax,%eax
  jne    L24
  mov    -0x10(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    -0x8(%rbp),%rcx
  mov    -0x18(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  addq   $0x1,-0x8(%rbp)
L24:
  addq   $0x1,-0x10(%rbp)
L28:
  mov    -0x10(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L5
  mov    -0x8(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  nop
  leave
  ret
```

assistant: ```c
void util_str_remove_whitespace(char *str) {
  long i, j;
  i = j = 0;
  while (str[i] != '\0') {
    if (!isspace((unsigned char)str[i])) {
      str[j] = str[i];
      j++;
    }
    i++;
  }
  str[j] = '\0';
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<util_str_remove_whitespace>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r12
  movzbl (%rdi),%edi
  test   %dil,%dil
  je     L41
  mov    %r12,%rbx
  mov    $0x0,%ebp
  jmp    L40
L49:
  add    $0x1,%rbx
  movzbl (%rbx),%edi
  test   %dil,%dil
  je     L5
L40:
  movzbl %dil,%edi
  call   <isspace@plt>
  test   %eax,%eax
  jne    L49
  movzbl (%rbx),%eax
  mov    %al,(%r12,%rbp,1)
  add    $0x1,%rbp
  jmp    L49
L41:
  mov    $0x0,%ebp
L5:
  movb   $0x0,(%r12,%rbp,1)
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
void util_str_remove_whitespace(char *str) {
  long i, j;
  i = j = 0;
  while (str[i] != '\0') {
    if (!isspace((unsigned char)str[i])) {
      str[j] = str[i];
      j++;
    }
    i++;
  }
  str[j] = '\0';
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<util_str_remove_whitespace>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  movzbl (%rdi),%edi
  test   %dil,%dil
  je     L20
  mov    %r12,%rbx
  xor    %ebp,%ebp
  nopl   0x0(%rax,%rax,1)
L11:
  call   <isspace@plt>
  test   %eax,%eax
  jne    L12
  movzbl (%rbx),%eax
  mov    %al,(%r12,%rbp,1)
  add    $0x1,%rbp
L12:
  movzbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  test   %dil,%dil
  jne    L11
  add    %rbp,%r12
L20:
  pop    %rbx
  pop    %rbp
  movb   $0x0,(%r12)
  pop    %r12
  ret
```

assistant: ```c
void util_str_remove_whitespace(char *str) {
  long i, j;
  i = j = 0;
  while (str[i] != '\0') {
    if (!isspace((unsigned char)str[i])) {
      str[j] = str[i];
      j++;
    }
    i++;
  }
  str[j] = '\0';
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<util_str_remove_whitespace>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  movzbl (%rdi),%edi
  test   %dil,%dil
  je     L45
  mov    %r12,%rbx
  xor    %ebp,%ebp
  nopl   0x0(%rax,%rax,1)
L31:
  call   <isspace@plt>
  test   %eax,%eax
  jne    L12
  movzbl (%rbx),%eax
  add    $0x1,%rbx
  mov    %al,(%r12,%rbp,1)
  movzbl (%rbx),%edi
  add    $0x1,%rbp
  test   %dil,%dil
  jne    L31
L23:
  add    %rbp,%r12
L45:
  pop    %rbx
  pop    %rbp
  movb   $0x0,(%r12)
  pop    %r12
  ret
  nopl   (%rax)
L12:
  movzbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  test   %dil,%dil
  jne    L31
  jmp    L23
```

assistant: ```c
void util_str_remove_whitespace(char *str) {
  long i, j;
  i = j = 0;
  while (str[i] != '\0') {
    if (!isspace((unsigned char)str[i])) {
      str[j] = str[i];
      j++;
    }
    i++;
  }
  str[j] = '\0';
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<help>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  lea    D7(%rip),%rax
  mov    %rax,%rsi
  lea    D5(%rip),%rax
  mov    %rax,%rdi
  call   <cprintf@plt>
  nop
  pop    %rbp
  ret
```

tool_calls: name: retrieve_data
arguments: data_tag: D7
type_infered: string
name: retrieve_data
arguments: data_tag: D5
type_infered: string

tool: D7: B <addr>  set break                    G  go from current PC
BC <n>  clear break                    N [<radix>]  set/ask radix
BD <n>  disable break                  Q  quit
BE <n>  enable break                   R [<reg>]  register(s) display
BL   list breaks                       S  step over branch or call
D [<addr> [<lth>]]  dump               T [<n>]  trace N instructions
 DB, DW, DL, DC  format                U [<addr> [<lth>]]  unassemble
I <port>  input byte port
O <port> <byte>  out to byte port
                      ? or H  print help


tool: D5: %s

assistant: ```c
void help(void) {
  cprintf("%s", "B <addr>  set break                    G  go from current PC\n"
                "BC <n>  clear break                    N [<radix>]  set/ask radix\n"
                "BD <n>  disable break                  Q  quit\n"
                "BE <n>  enable break                   R [<reg>]  register(s) display\n"
                "BL   list breaks                       S  step over branch or call\n"
                "D [<addr> [<lth>]]  dump               T [<n>]  trace N instructions\n"
                " DB, DW, DL, DC  format                U [<addr> [<lth>]]  unassemble\n"
                "I <port>  input byte port\n"
                "O <port> <byte>  out to byte port\n"
                "                      ? or H  print help\n");
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<help>:
  endbr64
  sub    $0x8,%rsp
  lea    D8(%rip),%rsi
  lea    D13(%rip),%rdi
  call   <cprintf@plt>
  add    $0x8,%rsp
  ret
```

tool_calls: name: disassemble_data
arguments: data_label: D8
type_infered: string
name: disassemble_data
arguments: data_label: D13
type_infered: string

tool: D8: B <addr>  set break                    G  go from current PC
BC <n>  clear break                    N [<radix>]  set/ask radix
BD <n>  disable break                  Q  quit
BE <n>  enable break                   R [<reg>]  register(s) display
BL   list breaks                       S  step over branch or call
D [<addr> [<lth>]]  dump               T [<n>]  trace N instructions
 DB, DW, DL, DC  format                U [<addr> [<lth>]]  unassemble
I <port>  input byte port
O <port> <byte>  out to byte port
                      ? or H  print help


tool: D13: %s

assistant: ```c
void help(void) {
  cprintf("%s", "B <addr>  set break                    G  go from current PC\n"
                "BC <n>  clear break                    N [<radix>]  set/ask radix\n"
                "BD <n>  disable break                  Q  quit\n"
                "BE <n>  enable break                   R [<reg>]  register(s) display\n"
                "BL   list breaks                       S  step over branch or call\n"
                "D [<addr> [<lth>]]  dump               T [<n>]  trace N instructions\n"
                " DB, DW, DL, DC  format                U [<addr> [<lth>]]  unassemble\n"
                "I <port>  input byte port\n"
                "O <port> <byte>  out to byte port\n"
                "                      ? or H  print help\n");
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<help>:
  endbr64
  lea    D15(%rip),%rsi
  lea    D10(%rip),%rdi
  jmp    1050 <cprintf@plt>
```

tool_calls: name: read_data
arguments: tag: D15
type_guessed: string
name: read_data
arguments: tag: D10
type_guessed: string

tool: D15: B <addr>  set break                    G  go from current PC
BC <n>  clear break                    N [<radix>]  set/ask radix
BD <n>  disable break                  Q  quit
BE <n>  enable break                   R [<reg>]  register(s) display
BL   list breaks                       S  step over branch or call
D [<addr> [<lth>]]  dump               T [<n>]  trace N instructions
 DB, DW, DL, DC  format                U [<addr> [<lth>]]  unassemble
I <port>  input byte port
O <port> <byte>  out to byte port
                      ? or H  print help


tool: D10: %s

assistant: ```c
void help(void) {
  cprintf("%s", "B <addr>  set break                    G  go from current PC\n"
                "BC <n>  clear break                    N [<radix>]  set/ask radix\n"
                "BD <n>  disable break                  Q  quit\n"
                "BE <n>  enable break                   R [<reg>]  register(s) display\n"
                "BL   list breaks                       S  step over branch or call\n"
                "D [<addr> [<lth>]]  dump               T [<n>]  trace N instructions\n"
                " DB, DW, DL, DC  format                U [<addr> [<lth>]]  unassemble\n"
                "I <port>  input byte port\n"
                "O <port> <byte>  out to byte port\n"
                "                      ? or H  print help\n");
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<help>:
  endbr64
  lea    D0(%rip),%rsi
  lea    D15(%rip),%rdi
  jmp    1050 <cprintf@plt>
```

tool_calls: name: extract_symbolic_data
arguments: label: D0
type: string
name: extract_symbolic_data
arguments: label: D15
type: string

tool: D0: B <addr>  set break                    G  go from current PC
BC <n>  clear break                    N [<radix>]  set/ask radix
BD <n>  disable break                  Q  quit
BE <n>  enable break                   R [<reg>]  register(s) display
BL   list breaks                       S  step over branch or call
D [<addr> [<lth>]]  dump               T [<n>]  trace N instructions
 DB, DW, DL, DC  format                U [<addr> [<lth>]]  unassemble
I <port>  input byte port
O <port> <byte>  out to byte port
                      ? or H  print help


tool: D15: %s

assistant: ```c
void help(void) {
  cprintf("%s", "B <addr>  set break                    G  go from current PC\n"
                "BC <n>  clear break                    N [<radix>]  set/ask radix\n"
                "BD <n>  disable break                  Q  quit\n"
                "BE <n>  enable break                   R [<reg>]  register(s) display\n"
                "BL   list breaks                       S  step over branch or call\n"
                "D [<addr> [<lth>]]  dump               T [<n>]  trace N instructions\n"
                " DB, DW, DL, DC  format                U [<addr> [<lth>]]  unassemble\n"
                "I <port>  input byte port\n"
                "O <port> <byte>  out to byte port\n"
                "                      ? or H  print help\n");
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<libcall>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  mov    %esi,-0x8(%rbp)
  cmpl   $0x0,-0x8(%rbp)
  jne    L29
  mov    $0x1,%eax
  jmp    L24
L29:
  cmpl   $0x1,-0x8(%rbp)
  jne    L43
  mov    $0x2,%eax
  jmp    L24
L43:
  cmpl   $0x2,-0x8(%rbp)
  jne    L59
  mov    $0x3,%eax
  jmp    L24
L59:
  mov    $0x0,%edi
  call   <time@plt>
  mov    %eax,%edi
  call   <srand@plt>
  mov    $0x0,%eax
  call   <rand@plt>
  mov    -0x4(%rbp),%ecx
  mov    -0x8(%rbp),%edx
  add    %edx,%ecx
  cltd
  idiv   %ecx
  mov    %edx,%eax
L24:
  leave
  ret
```

assistant: ```c
int libcall(int uno, int dos) {
  if (dos == 0) {
    return 1;
  }
  if (dos == 1) {
    return 2;
  }
  if (dos == 2) {
    return 3;
  }
  srand(time(NULL));
  return rand() % (uno + dos);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<libcall>:
  endbr64
  mov    $0x1,%edx
  test   %esi,%esi
  je     L3
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edi,%ebp
  mov    %esi,%ebx
  cmp    $0x1,%esi
  je     L24
  mov    $0x3,%edx
  cmp    $0x2,%esi
  je     L25
  mov    $0x0,%edi
  call   <time@plt>
  mov    %eax,%edi
  call   <srand@plt>
  mov    $0x0,%eax
  call   <rand@plt>
  add    %ebp,%ebx
  cltd
  idiv   %ebx
L25:
  mov    %edx,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L24:
  mov    $0x2,%edx
  jmp    L25
L3:
  mov    %edx,%eax
  ret
```

assistant: ```c
int libcall(int uno, int dos) {
  if (dos == 0) {
    return 1;
  }
  if (dos == 1) {
    return 2;
  }
  if (dos == 2) {
    return 3;
  }
  srand(time(NULL));
  return rand() % (uno + dos);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<libcall>:
  endbr64
  mov    $0x1,%r8d
  test   %esi,%esi
  je     L31
  push   %rbp
  push   %rbx
  mov    %esi,%ebx
  sub    $0x8,%rsp
  cmp    $0x1,%esi
  je     L20
  mov    $0x3,%r8d
  cmp    $0x2,%esi
  je     L6
  mov    %edi,%ebp
  xor    %edi,%edi
  call   <time@plt>
  add    %ebp,%ebx
  mov    %eax,%edi
  call   <srand@plt>
  xor    %eax,%eax
  call   <rand@plt>
  cltd
  idiv   %ebx
  mov    %edx,%r8d
L6:
  add    $0x8,%rsp
  mov    %r8d,%eax
  pop    %rbx
  pop    %rbp
  ret
  nop
L31:
  mov    %r8d,%eax
  ret
  nopl   0x0(%rax)
L20:
  mov    $0x2,%r8d
  jmp    L6
```

assistant: ```c
int libcall(int uno, int dos) {
  if (dos == 0) {
    return 1;
  }
  if (dos == 1) {
    return 2;
  }
  if (dos == 2) {
    return 3;
  }
  srand(time(NULL));
  return rand() % (uno + dos);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<libcall>:
  endbr64
  mov    $0x1,%r8d
  test   %esi,%esi
  je     L4
  push   %rbp
  push   %rbx
  mov    %esi,%ebx
  sub    $0x8,%rsp
  cmp    $0x1,%esi
  je     L29
  mov    $0x3,%r8d
  cmp    $0x2,%esi
  je     L23
  mov    %edi,%ebp
  xor    %edi,%edi
  call   <time@plt>
  add    %ebp,%ebx
  mov    %eax,%edi
  call   <srand@plt>
  xor    %eax,%eax
  call   <rand@plt>
  cltd
  idiv   %ebx
  mov    %edx,%r8d
L23:
  add    $0x8,%rsp
  mov    %r8d,%eax
  pop    %rbx
  pop    %rbp
  ret
  nop
L4:
  mov    %r8d,%eax
  ret
  nopl   0x0(%rax)
L29:
  mov    $0x2,%r8d
  jmp    L23
```

assistant: ```c
int libcall(int uno, int dos) {
  if (dos == 0) {
    return 1;
  }
  if (dos == 1) {
    return 2;
  }
  if (dos == 2) {
    return 3;
  }
  srand(time(NULL));
  return rand() % (uno + dos);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0x28(%rbp)
  movl   $0xbebc200,-0x24(%rbp)
  movq   $0x0,-0x20(%rbp)
  movq   $0x0,-0x18(%rbp)
  movq   $0x0,-0x10(%rbp)
  movl   $0x75,-0x1c(%rbp)
  lea    -0x30(%rbp),%rax
  mov    %rax,%rdi
  call   <sigemptyset@plt>
  mov    D1(%rip),%rax
  mov    (%rax),%edx
  lea    -0x30(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <sigaddset@plt>
  lea    -0x20(%rbp),%rdx
  lea    -0x2c(%rbp),%rax
  mov    %rdx,%r8
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    %rax,%rsi
  mov    $0x1,%edi
  call   <select@plt>
  movq   $0x0,-0x18(%rbp)
  movl   $0x71,-0x1c(%rbp)
  lea    -0x20(%rbp),%rax
  mov    %rax,%r8
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    $0x0,%esi
  mov    $0x1,%edi
  call   <select@plt>
  movq   $0x0,-0x18(%rbp)
  movl   $0x78,-0x1c(%rbp)
  lea    -0x20(%rbp),%rdx
  lea    -0x2c(%rbp),%rax
  mov    %rdx,%r8
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    %rax,%rsi
  mov    $0xffffffff,%edi
  call   <select@plt>
  movq   $0x0,-0x18(%rbp)
  movl   $0x79,-0x1c(%rbp)
  lea    -0x20(%rbp),%rax
  mov    %rax,%r8
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    $0xffffffffffffffff,%rsi
  mov    $0x1,%edi
  call   <select@plt>
  movq   $0x0,-0x18(%rbp)
  movl   $0x7a,-0x1c(%rbp)
  lea    -0x20(%rbp),%rdx
  lea    -0x2c(%rbp),%rax
  mov    %rdx,%r8
  mov    $0x0,%ecx
  mov    $0xffffffffffffffff,%rdx
  mov    %rax,%rsi
  mov    $0x1,%edi
  call   <select@plt>
  movq   $0x0,-0x18(%rbp)
  movl   $0x7b,-0x1c(%rbp)
  lea    -0x20(%rbp),%rdx
  lea    -0x2c(%rbp),%rax
  mov    %rdx,%r8
  mov    $0xffffffffffffffff,%rcx
  mov    $0x0,%edx
  mov    %rax,%rsi
  mov    $0x1,%edi
  call   <select@plt>
  lea    -0x2c(%rbp),%rax
  mov    $0xffffffffffffffff,%r8
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    %rax,%rsi
  mov    $0x1,%edi
  call   <select@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L9
  call   <__stack_chk_fail@plt>
L9:
  leave
  ret
```

assistant: ```c
int main() {
  int fd;
  struct timespec tim = {0, 200000000};
  sigset_t sigs;
  fd_set rfds;
  struct timeval tv = {0, 117};
  sigemptyset(&sigs);
  sigaddset(&sigs, SIGUSR2);
  select(1, &rfds, NULL, NULL, &tv);
  tv.tv_sec = 0;
  tv.tv_usec = 113;
  select(1, NULL, NULL, NULL, &tv);
  tv.tv_sec = 0;
  tv.tv_usec = 120;
  select(-1, &rfds, NULL, NULL, &tv);
  tv.tv_sec = 0;
  tv.tv_usec = 121;
  select(1, (fd_set *)-1, NULL, NULL, &tv);
  tv.tv_sec = 0;
  tv.tv_usec = 122;
  select(1, &rfds, (fd_set *)-1, NULL, &tv);
  tv.tv_sec = 0;
  tv.tv_usec = 123;
  select(1, &rfds, NULL, (fd_set *)-1, &tv);
  select(1, &rfds, NULL, NULL, (struct timeval *)-1);
  return 0;
}
```
user: What is the c source code of the assembly code below?

```asm
<main>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  movq   $0x0,0x10(%rsp)
  movq   $0x0,0x18(%rsp)
  movq   $0x0,0x20(%rsp)
  movl   $0x75,0x14(%rsp)
  lea    0x8(%rsp),%rbx
  mov    %rbx,%rdi
  call   <sigemptyset@plt>
  mov    D7(%rip),%rax
  mov    (%rax),%esi
  mov    %rbx,%rdi
  call   <sigaddset@plt>
  lea    0x10(%rsp),%rbx
  lea    0xc(%rsp),%rbp
  mov    %rbx,%r8
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    %rbp,%rsi
  mov    $0x1,%edi
  call   <select@plt>
  movq   $0x0,0x18(%rsp)
  movl   $0x71,0x14(%rsp)
  mov    %rbx,%r8
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    $0x0,%esi
  mov    $0x1,%edi
  call   <select@plt>
  movq   $0x0,0x18(%rsp)
  movl   $0x78,0x14(%rsp)
  mov    %rbx,%r8
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    %rbp,%rsi
  mov    $0xffffffff,%edi
  call   <select@plt>
  movq   $0x0,0x18(%rsp)
  movl   $0x79,0x14(%rsp)
  mov    %rbx,%r8
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    $0xffffffffffffffff,%rsi
  mov    $0x1,%edi
  call   <select@plt>
  movq   $0x0,0x18(%rsp)
  movl   $0x7a,0x14(%rsp)
  mov    %rbx,%r8
  mov    $0x0,%ecx
  mov    $0xffffffffffffffff,%rdx
  mov    %rbp,%rsi
  mov    $0x1,%edi
  call   <select@plt>
  movq   $0x0,0x18(%rsp)
  movl   $0x7b,0x14(%rsp)
  mov    %rbx,%r8
  mov    $0xffffffffffffffff,%rcx
  mov    $0x0,%edx
  mov    %rbp,%rsi
  mov    $0x1,%edi
  call   <select@plt>
  mov    $0xffffffffffffffff,%r8
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    %rbp,%rsi
  mov    $0x1,%edi
  call   <select@plt>
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L0
  mov    $0x0,%eax
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  ret
L0:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main() {
  int fd;
  struct timespec tim = {0, 200000000};
  sigset_t sigs;
  fd_set rfds;
  struct timeval tv = {0, 117};
  sigemptyset(&sigs);
  sigaddset(&sigs, SIGUSR2);
  select(1, &rfds, NULL, NULL, &tv);
  tv.tv_sec = 0;
  tv.tv_usec = 113;
  select(1, NULL, NULL, NULL, &tv);
  tv.tv_sec = 0;
  tv.tv_usec = 120;
  select(-1, &rfds, NULL, NULL, &tv);
  tv.tv_sec = 0;
  tv.tv_usec = 121;
  select(1, (fd_set *)-1, NULL, NULL, &tv);
  tv.tv_sec = 0;
  tv.tv_usec = 122;
  select(1, &rfds, (fd_set *)-1, NULL, &tv);
  tv.tv_sec = 0;
  tv.tv_usec = 123;
  select(1, &rfds, NULL, (fd_set *)-1, &tv);
  select(1, &rfds, NULL, NULL, (struct timeval *)-1);
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<main>:
  endbr64
  push   %rbp
  pxor   %xmm0,%xmm0
  push   %rbx
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  lea    0x8(%rsp),%rbp
  movaps %xmm0,0x10(%rsp)
  lea    0x10(%rsp),%rbx
  mov    %rbp,%rdi
  movl   $0x75,0x14(%rsp)
  movq   $0x0,0x20(%rsp)
  call   <sigemptyset@plt>
  mov    D1(%rip),%rax
  mov    %rbp,%rdi
  lea    0xc(%rsp),%rbp
  mov    (%rax),%esi
  call   <sigaddset@plt>
  xor    %ecx,%ecx
  xor    %edx,%edx
  mov    %rbx,%r8
  mov    %rbp,%rsi
  mov    $0x1,%edi
  call   <select@plt>
  xor    %ecx,%ecx
  xor    %edx,%edx
  xor    %esi,%esi
  mov    %rbx,%r8
  mov    $0x1,%edi
  movq   $0x0,0x18(%rsp)
  movl   $0x71,0x14(%rsp)
  call   <select@plt>
  xor    %ecx,%ecx
  xor    %edx,%edx
  mov    %rbx,%r8
  mov    %rbp,%rsi
  mov    $0xffffffff,%edi
  movq   $0x0,0x18(%rsp)
  movl   $0x78,0x14(%rsp)
  call   <select@plt>
  xor    %ecx,%ecx
  xor    %edx,%edx
  mov    %rbx,%r8
  mov    $0xffffffffffffffff,%rsi
  mov    $0x1,%edi
  movq   $0x0,0x18(%rsp)
  movl   $0x79,0x14(%rsp)
  call   <select@plt>
  xor    %ecx,%ecx
  mov    %rbx,%r8
  mov    %rbp,%rsi
  mov    $0xffffffffffffffff,%rdx
  mov    $0x1,%edi
  movq   $0x0,0x18(%rsp)
  movl   $0x7a,0x14(%rsp)
  call   <select@plt>
  xor    %edx,%edx
  mov    %rbx,%r8
  mov    %rbp,%rsi
  mov    $0xffffffffffffffff,%rcx
  mov    $0x1,%edi
  movq   $0x0,0x18(%rsp)
  movl   $0x7b,0x14(%rsp)
  call   <select@plt>
  xor    %ecx,%ecx
  xor    %edx,%edx
  mov    $0xffffffffffffffff,%r8
  mov    %rbp,%rsi
  mov    $0x1,%edi
  call   <select@plt>
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L4
  add    $0x38,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  ret
L4:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main() {
  int fd;
  struct timespec tim = {0, 200000000};
  sigset_t sigs;
  fd_set rfds;
  struct timeval tv = {0, 117};
  sigemptyset(&sigs);
  sigaddset(&sigs, SIGUSR2);
  select(1, &rfds, NULL, NULL, &tv);
  tv.tv_sec = 0;
  tv.tv_usec = 113;
  select(1, NULL, NULL, NULL, &tv);
  tv.tv_sec = 0;
  tv.tv_usec = 120;
  select(-1, &rfds, NULL, NULL, &tv);
  tv.tv_sec = 0;
  tv.tv_usec = 121;
  select(1, (fd_set *)-1, NULL, NULL, &tv);
  tv.tv_sec = 0;
  tv.tv_usec = 122;
  select(1, &rfds, (fd_set *)-1, NULL, &tv);
  tv.tv_sec = 0;
  tv.tv_usec = 123;
  select(1, &rfds, NULL, (fd_set *)-1, &tv);
  select(1, &rfds, NULL, NULL, (struct timeval *)-1);
  return 0;
}
```