ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 下面的汇编指令对应的C源代码是什么:

```asm
<getpwd>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %rdi,%rbp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  lea    D9(%rip),%rdi
  call   <getenv@plt>
  test   %rax,%rax
  je     L43
  mov    %rax,%rbx
  cmpb   $0x2f,(%rax)
  je     L11
L43:
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L24
  mov    %rbp,%rax
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  ret
L11:
  lea    0x10(%rsp),%rsi
  mov    %rax,%rdi
  call   <stat@plt>
  test   %rax,%rax
  js     L43
  mov    %rsp,%rsi
  mov    %rbp,%rdi
  call   <stat@plt>
  test   %rax,%rax
  js     L8
L65:
  mov    (%rsp),%rax
  cmp    %rax,0x10(%rsp)
  jne    L43
  mov    0x8(%rsp),%rax
  cmp    %rax,0x18(%rsp)
  cmove  %rbx,%rbp
  jmp    L43
L8:
  mov    %rbp,%rsi
  lea    D16(%rip),%rdi
  call   <eprintf@plt>
  jmp    L65
L24:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D9
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D16
type_infered: string

tool: D9: PWD

tool: D16: stat %s:

assistant: ```c
const char *getpwd(const char *cwd) {
  const char *pwd;
  struct stat cst, pst;
  if (!(pwd = getenv("PWD")) || pwd[0] != '/' || stat(pwd, &pst) < 0)
    return cwd;
  if (stat(cwd, &cst) < 0)
    eprintf("stat %s:", cwd);
  return (pst.st_dev == cst.st_dev && pst.st_ino == cst.st_ino) ? pwd : cwd;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<getpwd>:
  endbr64
  push   %r12
  push   %rbx
  mov    %rdi,%rbx
  lea    D10(%rip),%rdi
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  call   <getenv@plt>
  test   %rax,%rax
  je     L50
  cmpb   $0x2f,(%rax)
  mov    %rax,%r12
  je     L6
L50:
  mov    %rbx,%r12
L20:
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L51
  add    $0x38,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %r12
  ret
  nopl   (%rax)
L6:
  lea    0x10(%rsp),%rsi
  mov    %rax,%rdi
  call   <stat@plt>
  test   %rax,%rax
  js     L50
  mov    %rsp,%rsi
  mov    %rbx,%rdi
  call   <stat@plt>
  test   %rax,%rax
  js     L84
L37:
  mov    (%rsp),%rax
  cmp    %rax,0x10(%rsp)
  jne    L50
  mov    0x8(%rsp),%rax
  cmp    %rax,0x18(%rsp)
  jne    L50
  jmp    L20
  nopl   0x0(%rax,%rax,1)
L84:
  mov    %rbx,%rsi
  lea    D9(%rip),%rdi
  call   <eprintf@plt>
  jmp    L37
L51:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_label: D10
type: string
name: retrieve_data
arguments: data_label: D9
type: string

tool: D10: PWD

tool: D9: stat %s:

assistant: ```c
const char *getpwd(const char *cwd) {
  const char *pwd;
  struct stat cst, pst;
  if (!(pwd = getenv("PWD")) || pwd[0] != '/' || stat(pwd, &pst) < 0)
    return cwd;
  if (stat(cwd, &cst) < 0)
    eprintf("stat %s:", cwd);
  return (pst.st_dev == cst.st_dev && pst.st_ino == cst.st_ino) ? pwd : cwd;
}
```
user: Translate the below assembly code into C programming language:

```asm
<getpwd>:
  endbr64
  push   %r12
  push   %rbx
  mov    %rdi,%rbx
  lea    D4(%rip),%rdi
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  call   <getenv@plt>
  test   %rax,%rax
  je     L5
  cmpb   $0x2f,(%rax)
  mov    %rax,%r12
  je     L8
L5:
  mov    %rbx,%r12
L33:
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L35
  add    $0x38,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %r12
  ret
  nopl   (%rax)
L8:
  lea    0x10(%rsp),%rsi
  mov    %rax,%rdi
  call   <stat@plt>
  test   %rax,%rax
  js     L5
  mov    %rsp,%rsi
  mov    %rbx,%rdi
  call   <stat@plt>
  test   %rax,%rax
  js     L11
L49:
  mov    (%rsp),%rax
  cmp    %rax,0x10(%rsp)
  jne    L5
  mov    0x8(%rsp),%rax
  cmp    %rax,0x18(%rsp)
  jne    L5
  jmp    L33
  nopl   0x0(%rax,%rax,1)
L11:
  mov    %rbx,%rsi
  lea    D2(%rip),%rdi
  call   <eprintf@plt>
  jmp    L49
L35:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: label: D4
data_type: string
name: parse_data
arguments: label: D2
data_type: string

tool: D4: PWD

tool: D2: stat %s:

assistant: ```c
const char *getpwd(const char *cwd) {
  const char *pwd;
  struct stat cst, pst;
  if (!(pwd = getenv("PWD")) || pwd[0] != '/' || stat(pwd, &pst) < 0)
    return cwd;
  if (stat(cwd, &cst) < 0)
    eprintf("stat %s:", cwd);
  return (pst.st_dev == cst.st_dev && pst.st_ino == cst.st_ino) ? pwd : cwd;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<transfer_YUV_PLANAR_to_YUV420P>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %rdx,-0x18(%rbp)
  mov    %rcx,-0x20(%rbp)
  mov    %r8,-0x28(%rbp)
  mov    %r9,-0x30(%rbp)
  mov    0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rax,%rdx
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  mov    0x10(%rbp),%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rax,%rdx
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  mov    0x10(%rbp),%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  movslq %eax,%rdx
  mov    -0x30(%rbp),%rax
  add    %rax,%rdx
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  nop
  pop    %rbp
  ret
```

assistant: ```c
void transfer_YUV_PLANAR_to_YUV420P(unsigned char *input_y, unsigned char *input_u, unsigned char *input_v, unsigned char *output_y, unsigned char *output_u, unsigned char *output_v, int j) {
  output_y[j] = *input_y;
  output_u[j / 2] = *input_u;
  output_v[j / 2] = *input_v;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<transfer_YUV_PLANAR_to_YUV420P>:
  endbr64
  mov    %rdi,%rax
  mov    %rsi,%rdi
  mov    %rdx,%rsi
  mov    0x8(%rsp),%edx
  movzbl (%rax),%r10d
  movslq %edx,%rax
  mov    %r10b,(%rcx,%rax,1)
  mov    %edx,%eax
  shr    $0x1f,%eax
  add    %edx,%eax
  sar    %eax
  cltq
  movzbl (%rdi),%edx
  mov    %dl,(%r8,%rax,1)
  movzbl (%rsi),%edx
  mov    %dl,(%r9,%rax,1)
  ret
```

assistant: ```c
void transfer_YUV_PLANAR_to_YUV420P(unsigned char *input_y, unsigned char *input_u, unsigned char *input_v, unsigned char *output_y, unsigned char *output_u, unsigned char *output_v, int j) {
  output_y[j] = *input_y;
  output_u[j / 2] = *input_u;
  output_v[j / 2] = *input_v;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<transfer_YUV_PLANAR_to_YUV420P>:
  endbr64
  movslq 0x8(%rsp),%rax
  movzbl (%rdi),%edi
  mov    %rdx,%r10
  mov    %dil,(%rcx,%rax,1)
  mov    %rax,%rdx
  shr    $0x1f,%eax
  add    %edx,%eax
  movzbl (%rsi),%edx
  sar    %eax
  cltq
  mov    %dl,(%r8,%rax,1)
  movzbl (%r10),%edx
  mov    %dl,(%r9,%rax,1)
  ret
```

assistant: ```c
void transfer_YUV_PLANAR_to_YUV420P(unsigned char *input_y, unsigned char *input_u, unsigned char *input_v, unsigned char *output_y, unsigned char *output_u, unsigned char *output_v, int j) {
  output_y[j] = *input_y;
  output_u[j / 2] = *input_u;
  output_v[j / 2] = *input_v;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<transfer_YUV_PLANAR_to_YUV420P>:
  endbr64
  movslq 0x8(%rsp),%rax
  movzbl (%rdi),%edi
  mov    %rdx,%r10
  mov    %dil,(%rcx,%rax,1)
  mov    %rax,%rdx
  shr    $0x1f,%eax
  add    %edx,%eax
  movzbl (%rsi),%edx
  sar    %eax
  cltq
  mov    %dl,(%r8,%rax,1)
  movzbl (%r10),%edx
  mov    %dl,(%r9,%rax,1)
  ret
```

assistant: ```c
void transfer_YUV_PLANAR_to_YUV420P(unsigned char *input_y, unsigned char *input_u, unsigned char *input_v, unsigned char *output_y, unsigned char *output_u, unsigned char *output_v, int j) {
  output_y[j] = *input_y;
  output_u[j / 2] = *input_u;
  output_v[j / 2] = *input_v;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<sr_strbuf_prepend_strf>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0xd0,%rsp
  mov    %rdi,-0xc8(%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     L6
  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)
L6:
  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    -0xc8(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <sr_strbuf_prepend_strfv@plt>
  mov    -0xb4(%rbp),%eax
  mov    %eax,%edi
  call   <va_end@plt>
  mov    -0xc8(%rbp),%rax
  leave
  ret
```

assistant: ```c
struct sr_strbuf *sr_strbuf_prepend_strf(struct sr_strbuf *strbuf, const char *format, ...) {
  va_list p;
  va_start(p, format);
  sr_strbuf_prepend_strfv(strbuf, format, p);
  va_end(p);
  return strbuf;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<sr_strbuf_prepend_strf>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  mov    $0x0,%r12d
  mov    %r12d,%edi
  call   <va_start@plt>
  mov    %r12d,%edx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <sr_strbuf_prepend_strfv@plt>
  mov    %r12d,%edi
  call   <va_end@plt>
  mov    %rbx,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
struct sr_strbuf *sr_strbuf_prepend_strf(struct sr_strbuf *strbuf, const char *format, ...) {
  va_list p;
  va_start(p, format);
  sr_strbuf_prepend_strfv(strbuf, format, p);
  va_end(p);
  return strbuf;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<sr_strbuf_prepend_strf>:
  endbr64
  push   %r13
  xor    %r13d,%r13d
  push   %r12
  mov    %rdi,%r12
  mov    %r13d,%edi
  push   %rbp
  mov    %rsi,%rbp
  call   <va_start@plt>
  mov    %r13d,%edx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <sr_strbuf_prepend_strfv@plt>
  mov    %r13d,%edi
  call   <va_end@plt>
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
struct sr_strbuf *sr_strbuf_prepend_strf(struct sr_strbuf *strbuf, const char *format, ...) {
  va_list p;
  va_start(p, format);
  sr_strbuf_prepend_strfv(strbuf, format, p);
  va_end(p);
  return strbuf;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<sr_strbuf_prepend_strf>:
  endbr64
  push   %r13
  xor    %r13d,%r13d
  push   %r12
  mov    %rdi,%r12
  mov    %r13d,%edi
  push   %rbp
  mov    %rsi,%rbp
  call   <va_start@plt>
  mov    %r13d,%edx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <sr_strbuf_prepend_strfv@plt>
  mov    %r13d,%edi
  call   <va_end@plt>
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
struct sr_strbuf *sr_strbuf_prepend_strf(struct sr_strbuf *strbuf, const char *format, ...) {
  va_list p;
  va_start(p, format);
  sr_strbuf_prepend_strfv(strbuf, format, p);
  va_end(p);
  return strbuf;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<is_query>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  movl   $0x0,-0xc(%rbp)
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x7b,%al
  jne    L4
  addq   $0x1,-0x8(%rbp)
  movl   $0x1,-0xc(%rbp)
  jmp    L4
L51:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x7d,%al
  jne    L58
  movl   $0x0,-0xc(%rbp)
  jmp    L63
L58:
  cmpl   $0x0,-0xc(%rbp)
  jne    L63
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <is_operator@plt>
  test   %rax,%rax
  jne    L87
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <is_parenth@plt>
  test   %rax,%rax
  je     L63
L87:
  mov    $0x1,%eax
  jmp    L9
L63:
  addq   $0x1,-0x8(%rbp)
L4:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L51
  mov    $0x0,%eax
L9:
  leave
  ret
```

assistant: ```c
int is_query(char *str) {
  char *ptr = str;
  int bracket_count = 0;
  if (*ptr == '{') {
    ++ptr;
    bracket_count = 1;
  }
  while (*ptr) {
    if (*ptr == '}')
      bracket_count = 0;
    else if (!bracket_count) {
      if (is_operator(*ptr) || is_parenth(*ptr)) {
        return 1;
      }
    }
    ++ptr;
  }
  return 0;
}
```
user: What is the c source code of the assembly code below?

```asm
<is_query>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    $0x0,%ebp
  cmpb   $0x7b,(%rdi)
  je     L0
L96:
  movzbl (%rbx),%edi
  test   %dil,%dil
  je     L33
  mov    $0x0,%r12d
  jmp    L7
L0:
  add    $0x1,%rbx
  mov    $0x1,%ebp
  jmp    L96
L112:
  mov    %r12d,%ebp
L72:
  add    $0x1,%rbx
  movzbl (%rbx),%edi
  test   %dil,%dil
  je     L34
L7:
  cmp    $0x7d,%dil
  je     L112
  test   %ebp,%ebp
  jne    L72
  movsbl %dil,%edi
  call   <is_operator@plt>
  test   %rax,%rax
  jne    L36
  movsbl (%rbx),%edi
  call   <is_parenth@plt>
  test   %rax,%rax
  je     L72
  mov    $0x1,%eax
  jmp    L22
L34:
  mov    $0x0,%eax
L22:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L33:
  mov    $0x0,%eax
  jmp    L22
L36:
  mov    $0x1,%eax
  jmp    L22
```

assistant: ```c
int is_query(char *str) {
  char *ptr = str;
  int bracket_count = 0;
  if (*ptr == '{') {
    ++ptr;
    bracket_count = 1;
  }
  while (*ptr) {
    if (*ptr == '}')
      bracket_count = 0;
    else if (!bracket_count) {
      if (is_operator(*ptr) || is_parenth(*ptr)) {
        return 1;
      }
    }
    ++ptr;
  }
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<is_query>:
  endbr64
  movzbl (%rdi),%eax
  xor    %edx,%edx
  cmp    $0x7b,%al
  jne    L107
  movzbl 0x1(%rdi),%eax
  mov    $0x1,%edx
  add    $0x1,%rdi
L107:
  test   %al,%al
  je     L57
  push   %rbx
  jmp    L21
  nopl   (%rax)
L94:
  mov    %rdi,%rbx
  test   %edx,%edx
  je     L111
L101:
  movzbl 0x1(%rbx),%eax
  lea    0x1(%rbx),%rdi
  test   %al,%al
  je     L73
L21:
  cmp    $0x7d,%al
  jne    L94
  movzbl 0x1(%rdi),%eax
  lea    0x1(%rdi),%rbx
  test   %al,%al
  je     L73
L100:
  cmp    $0x7d,%al
  je     L110
L111:
  movsbl %al,%edi
  call   <is_operator@plt>
  test   %rax,%rax
  jne    L93
  movsbl (%rbx),%edi
  call   <is_parenth@plt>
  test   %rax,%rax
  jne    L93
  movzbl 0x1(%rbx),%eax
  add    $0x1,%rbx
  test   %al,%al
  je     L73
  cmp    $0x7d,%al
  jne    L111
  mov    %rbx,%rdi
  movzbl 0x1(%rdi),%eax
  lea    0x1(%rdi),%rbx
  test   %al,%al
  jne    L100
L73:
  xor    %eax,%eax
  pop    %rbx
  ret
  nopl   0x0(%rax)
L110:
  xor    %edx,%edx
  jmp    L101
  nopl   0x0(%rax)
L93:
  mov    $0x1,%eax
  pop    %rbx
  ret
L57:
  xor    %eax,%eax
  ret
```

assistant: ```c
int is_query(char *str) {
  char *ptr = str;
  int bracket_count = 0;
  if (*ptr == '{') {
    ++ptr;
    bracket_count = 1;
  }
  while (*ptr) {
    if (*ptr == '}')
      bracket_count = 0;
    else if (!bracket_count) {
      if (is_operator(*ptr) || is_parenth(*ptr)) {
        return 1;
      }
    }
    ++ptr;
  }
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<is_query>:
  endbr64
  movzbl (%rdi),%eax
  xor    %edx,%edx
  cmp    $0x7b,%al
  jne    L99
  movzbl 0x1(%rdi),%eax
  mov    $0x1,%edx
  add    $0x1,%rdi
L99:
  test   %al,%al
  je     L16
  push   %rbx
  jmp    L126
  nopl   (%rax)
L84:
  mov    %rdi,%rbx
  test   %edx,%edx
  je     L128
L101:
  movzbl 0x1(%rbx),%eax
  lea    0x1(%rbx),%rdi
  test   %al,%al
  je     L114
L126:
  cmp    $0x7d,%al
  jne    L84
  movzbl 0x1(%rdi),%eax
  lea    0x1(%rdi),%rbx
  test   %al,%al
  je     L114
L30:
  cmp    $0x7d,%al
  je     L60
L128:
  movsbl %al,%edi
  call   <is_operator@plt>
  test   %rax,%rax
  jne    L70
  movsbl (%rbx),%edi
  call   <is_parenth@plt>
  test   %rax,%rax
  jne    L70
  movzbl 0x1(%rbx),%eax
  add    $0x1,%rbx
  test   %al,%al
  je     L114
  cmp    $0x7d,%al
  jne    L128
  mov    %rbx,%rdi
  movzbl 0x1(%rdi),%eax
  lea    0x1(%rdi),%rbx
  test   %al,%al
  jne    L30
L114:
  xor    %eax,%eax
  pop    %rbx
  ret
  nopl   0x0(%rax)
L60:
  xor    %edx,%edx
  jmp    L101
  nopl   0x0(%rax)
L70:
  mov    $0x1,%eax
  pop    %rbx
  ret
L16:
  xor    %eax,%eax
  ret
```

assistant: ```c
int is_query(char *str) {
  char *ptr = str;
  int bracket_count = 0;
  if (*ptr == '{') {
    ++ptr;
    bracket_count = 1;
  }
  while (*ptr) {
    if (*ptr == '}')
      bracket_count = 0;
    else if (!bracket_count) {
      if (is_operator(*ptr) || is_parenth(*ptr)) {
        return 1;
      }
    }
    ++ptr;
  }
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<rev_bits_in_byte>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,%eax
  mov    %al,-0x14(%rbp)
  movzbl -0x14(%rbp),%eax
  shr    $0x4,%al
  movzbl %al,%edx
  movzbl -0x14(%rbp),%eax
  shl    $0x4,%eax
  movzbl %al,%eax
  or     %edx,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  sar    $0x2,%eax
  and    $0x33,%eax
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  shl    $0x2,%eax
  and    $0xcc,%eax
  or     %edx,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  sar    %eax
  and    $0x55,%eax
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  add    %eax,%eax
  and    $0xaa,%eax
  or     %edx,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
unsigned char rev_bits_in_byte(unsigned char x) {
  int rev = (x >> 4) | ((x & 0xf) << 4);
  rev = ((rev & 0xcc) >> 2) | ((rev & 0x33) << 2);
  rev = ((rev & 0xaa) >> 1) | ((rev & 0x55) << 1);
  return (unsigned char)rev;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<rev_bits_in_byte>:
  endbr64
  mov    %edi,%eax
  shl    $0x4,%eax
  and    $0xf0,%eax
  shr    $0x4,%dil
  movzbl %dil,%edi
  or     %edi,%eax
  mov    %eax,%edx
  sar    $0x2,%edx
  and    $0x33,%edx
  shl    $0x2,%eax
  and    $0xcc,%eax
  or     %eax,%edx
  mov    %edx,%eax
  sar    %eax
  and    $0x55,%eax
  add    %edx,%edx
  and    $0xaa,%edx
  or     %edx,%eax
  ret
```

assistant: ```c
unsigned char rev_bits_in_byte(unsigned char x) {
  int rev = (x >> 4) | ((x & 0xf) << 4);
  rev = ((rev & 0xcc) >> 2) | ((rev & 0x33) << 2);
  rev = ((rev & 0xaa) >> 1) | ((rev & 0x55) << 1);
  return (unsigned char)rev;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<rev_bits_in_byte>:
  endbr64
  mov    %edi,%eax
  shr    $0x4,%dil
  shl    $0x4,%eax
  movzbl %dil,%edi
  and    $0xf0,%eax
  or     %edi,%eax
  mov    %eax,%edx
  shl    $0x2,%eax
  sar    $0x2,%edx
  and    $0xcc,%eax
  and    $0x33,%edx
  or     %eax,%edx
  mov    %edx,%eax
  add    %edx,%edx
  sar    %eax
  and    $0xaa,%edx
  and    $0x55,%eax
  or     %edx,%eax
  ret
```

assistant: ```c
unsigned char rev_bits_in_byte(unsigned char x) {
  int rev = (x >> 4) | ((x & 0xf) << 4);
  rev = ((rev & 0xcc) >> 2) | ((rev & 0x33) << 2);
  rev = ((rev & 0xaa) >> 1) | ((rev & 0x55) << 1);
  return (unsigned char)rev;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<rev_bits_in_byte>:
  endbr64
  mov    %edi,%eax
  shr    $0x4,%dil
  shl    $0x4,%eax
  movzbl %dil,%edi
  and    $0xf0,%eax
  or     %edi,%eax
  mov    %eax,%edx
  shl    $0x2,%eax
  sar    $0x2,%edx
  and    $0xcc,%eax
  and    $0x33,%edx
  or     %eax,%edx
  mov    %edx,%eax
  add    %edx,%edx
  sar    %eax
  and    $0xaa,%edx
  and    $0x55,%eax
  or     %edx,%eax
  ret
```

assistant: ```c
unsigned char rev_bits_in_byte(unsigned char x) {
  int rev = (x >> 4) | ((x & 0xf) << 4);
  rev = ((rev & 0xcc) >> 2) | ((rev & 0x33) << 2);
  rev = ((rev & 0xaa) >> 1) | ((rev & 0x55) << 1);
  return (unsigned char)rev;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<Mqtt_FormatTime>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,-0x24(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  imul   $0x10624dd3,%rdx,%rdx
  shr    $0x20,%rdx
  sar    $0x6,%edx
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  imul   $0x3e8,%edx,%edx
  sub    %edx,%eax
  mov    %eax,-0x14(%rbp)
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  imul   $0x10624dd3,%rdx,%rdx
  shr    $0x20,%rdx
  sar    $0x6,%edx
  sar    $0x1f,%eax
  mov    %eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  mov    %eax,-0x18(%rbp)
  lea    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <gmtime@plt>
  mov    %rax,-0x10(%rbp)
  cmpq   $0x0,-0x10(%rbp)
  jne    L27
  mov    $0x0,%eax
  jmp    L4
L27:
  mov    -0x10(%rbp),%rdx
  mov    -0x30(%rbp),%rax
  mov    %rdx,%rcx
  lea    D0(%rip),%rdx
  mov    $0x18,%esi
  mov    %rax,%rdi
  call   <strftime@plt>
  test   %rax,%rax
  jne    L25
  mov    $0x0,%eax
  jmp    L4
L25:
  mov    -0x30(%rbp),%rax
  lea    0x13(%rax),%rcx
  mov    -0x14(%rbp),%eax
  mov    %eax,%edx
  lea    D19(%rip),%rax
  mov    %rax,%rsi
  mov    %rcx,%rdi
  call   <sprintf@plt>
  mov    $0x17,%eax
L4:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L33
  call   <__stack_chk_fail@plt>
L33:
  leave
  ret
```

tool_calls: name: unpack_data
arguments: tag: D0
data_type: string
name: unpack_data
arguments: tag: D19
data_type: string

tool: D0: %Y-%m-%d %H:%M:%S

tool: D19: .%03d

assistant: ```c
int Mqtt_FormatTime(int64_t ts, char *out) {
  int64_t millisecond = ts % 1000;
  struct tm *t;
  time_t tt = (time_t)(ts) / 1000;
  t = gmtime(&tt);
  if (!t) {
    return 0;
  }
  if (0 == strftime(out, 24, "%Y-%m-%d %H:%M:%S", t)) {
    return 0;
  }
  sprintf(out + 19, ".%03d", (int)millisecond);
  return 23;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<Mqtt_FormatTime>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %edi,%ebx
  mov    %rsi,%rbp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  movslq %edi,%rax
  imul   $0x10624dd3,%rax,%rax
  sar    $0x26,%rax
  mov    %edi,%edx
  sar    $0x1f,%edx
  sub    %edx,%eax
  mov    %eax,0x4(%rsp)
  lea    0x4(%rsp),%rdi
  call   <gmtime@plt>
  mov    %rax,%rcx
  mov    $0x0,%eax
  test   %rcx,%rcx
  je     L21
  lea    D3(%rip),%rdx
  mov    $0x18,%esi
  mov    %rbp,%rdi
  call   <strftime@plt>
  mov    %rax,%rdx
  mov    $0x0,%eax
  test   %rdx,%rdx
  jne    L24
L21:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L1
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  ret
L24:
  movslq %ebx,%rax
  imul   $0x10624dd3,%rax,%rax
  sar    $0x26,%rax
  mov    %ebx,%edx
  sar    $0x1f,%edx
  sub    %edx,%eax
  imul   $0x3e8,%eax,%eax
  sub    %eax,%ebx
  mov    %ebx,%edx
  lea    0x13(%rbp),%rdi
  lea    D1(%rip),%rsi
  call   <sprintf@plt>
  mov    $0x17,%eax
  jmp    L21
L1:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: label: D3
type_guessed: string
name: read_data
arguments: label: D1
type_guessed: string

tool: D3: %Y-%m-%d %H:%M:%S

tool: D1: .%03d

assistant: ```c
int Mqtt_FormatTime(int64_t ts, char *out) {
  int64_t millisecond = ts % 1000;
  struct tm *t;
  time_t tt = (time_t)(ts) / 1000;
  t = gmtime(&tt);
  if (!t) {
    return 0;
  }
  if (0 == strftime(out, 24, "%Y-%m-%d %H:%M:%S", t)) {
    return 0;
  }
  sprintf(out + 19, ".%03d", (int)millisecond);
  return 23;
}
```