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
<should_split>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x4(%rbp)
  mov    %esi,-0x8(%rbp)
  mov    %edx,-0xc(%rbp)
  mov    %ecx,-0x10(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  je     L11
  cmpl   $0x0,-0x8(%rbp)
  je     L11
  cmpl   $0x0,-0xc(%rbp)
  je     L11
  cmpl   $0x0,-0x10(%rbp)
  jne    L11
  mov    $0x1,%eax
  jmp    L25
L11:
  mov    $0x0,%eax
L25:
  pop    %rbp
  ret
```

assistant: ```c
int should_split(int upperlast, int lowerlast, int upperfirst, int lowerfirst) {
  if ((upperlast && lowerlast) && (upperfirst && !lowerfirst))
    return 1;
  else
    return 0;
}
```
user: What is the c source code of the assembly code below?

```asm
<should_split>:
  endbr64
  test   %edi,%edi
  je     L13
  test   %esi,%esi
  je     L13
  test   %edx,%edx
  setne  %dl
  test   %ecx,%ecx
  sete   %al
  movzbl %al,%eax
  and    %edx,%eax
  ret
L13:
  mov    $0x0,%eax
  ret
```

assistant: ```c
int should_split(int upperlast, int lowerlast, int upperfirst, int lowerfirst) {
  if ((upperlast && lowerlast) && (upperfirst && !lowerfirst))
    return 1;
  else
    return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<should_split>:
  endbr64
  test   %edi,%edi
  je     L6
  test   %esi,%esi
  je     L6
  test   %edx,%edx
  setne  %dl
  xor    %eax,%eax
  test   %ecx,%ecx
  sete   %al
  and    %edx,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L6:
  xor    %eax,%eax
  ret
```

assistant: ```c
int should_split(int upperlast, int lowerlast, int upperfirst, int lowerfirst) {
  if ((upperlast && lowerlast) && (upperfirst && !lowerfirst))
    return 1;
  else
    return 0;
}
```
user: What is the c source code of the assembly code below:

```asm
<should_split>:
  endbr64
  test   %edi,%edi
  je     L19
  test   %esi,%esi
  je     L19
  test   %edx,%edx
  setne  %dl
  xor    %eax,%eax
  test   %ecx,%ecx
  sete   %al
  and    %edx,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L19:
  xor    %eax,%eax
  ret
```

assistant: ```c
int should_split(int upperlast, int lowerlast, int upperfirst, int lowerfirst) {
  if ((upperlast && lowerlast) && (upperfirst && !lowerfirst))
    return 1;
  else
    return 0;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<output_range>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %rdx,-0x18(%rbp)
  mov    %rcx,-0x20(%rbp)
  mov    %r8d,-0x24(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  je     L15
  cmpq   $0x0,-0x20(%rbp)
  je     L15
  mov    -0x24(%rbp),%edx
  mov    -0x8(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <output_level@plt>
  mov    -0x10(%rbp),%rdi
  mov    -0x20(%rbp),%rsi
  mov    -0x18(%rbp),%rcx
  mov    -0x10(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdi,%r9
  mov    %rsi,%r8
  lea    D9(%rip),%rsi
  mov    %rax,%rdi
  call   <fprintf@plt>
  jmp    L33
L15:
  cmpq   $0x0,-0x18(%rbp)
  je     L31
  mov    -0x24(%rbp),%ecx
  mov    -0x18(%rbp),%rdx
  mov    -0x10(%rbp),%rsi
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <output_itemv@plt>
  jmp    L33
L31:
  cmpq   $0x0,-0x20(%rbp)
  je     L33
  mov    -0x24(%rbp),%ecx
  mov    -0x20(%rbp),%rdx
  mov    -0x10(%rbp),%rsi
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <output_itemv@plt>
L33:
  nop
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: data_label: D9
data_type: string

tool: D9: <%s>%s-%s</%s>


assistant: ```c
void output_range(FILE *outptr, const char *tag, const char *start, const char *end, int level) {
  if (start && end) {
    output_level(outptr, level);
    fprintf(outptr, "<%s>%s-%s</%s>\n", tag, start, end, tag);
  } else if (start)
    output_itemv(outptr, tag, start, level);
  else if (end)
    output_itemv(outptr, tag, end, level);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<output_range>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r12
  mov    %rsi,%r13
  mov    %rdx,%rbx
  mov    %rcx,%rbp
  test   %rdx,%rdx
  je     L2
  test   %rcx,%rcx
  jne    L45
L2:
  test   %rbx,%rbx
  je     L38
  mov    %r8d,%ecx
  mov    %rbx,%rdx
  mov    %r13,%rsi
  mov    %r12,%rdi
  call   <output_itemv@plt>
L7:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L45:
  mov    %r8d,%esi
  call   <output_level@plt>
  mov    %r13,%r9
  mov    %rbp,%r8
  mov    %rbx,%rcx
  mov    %r13,%rdx
  lea    D7(%rip),%rsi
  mov    %r12,%rdi
  call   <fprintf@plt>
  jmp    L7
L38:
  test   %rbp,%rbp
  je     L7
  mov    %r8d,%ecx
  mov    %rbp,%rdx
  mov    %r13,%rsi
  mov    %r12,%rdi
  call   <output_itemv@plt>
  jmp    L7
```

tool_calls: name: retrieve_data
arguments: data_label: D7
data_type: string

tool: D7: <%s>%s-%s</%s>


assistant: ```c
void output_range(FILE *outptr, const char *tag, const char *start, const char *end, int level) {
  if (start && end) {
    output_level(outptr, level);
    fprintf(outptr, "<%s>%s-%s</%s>\n", tag, start, end, tag);
  } else if (start)
    output_itemv(outptr, tag, start, level);
  else if (end)
    output_itemv(outptr, tag, end, level);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<output_range>:
  endbr64
  push   %r14
  mov    %rsi,%r14
  push   %r13
  mov    %rcx,%r13
  push   %r12
  sub    $0x10,%rsp
  test   %rdx,%rdx
  je     L32
  mov    %rdx,%r12
  test   %rcx,%rcx
  jne    L34
  test   %rdx,%rdx
  je     L32
  mov    %r8d,%ecx
L24:
  add    $0x10,%rsp
  mov    %r14,%rsi
  pop    %r12
  pop    %r13
  pop    %r14
  jmp    1070 <output_itemv@plt>
  nopl   0x0(%rax,%rax,1)
L34:
  mov    %r8d,%esi
  mov    %rdi,0x8(%rsp)
  call   <output_level@plt>
  mov    0x8(%rsp),%rdi
  mov    %r14,%r9
  mov    %r13,%r8
  add    $0x10,%rsp
  mov    %r12,%rcx
  mov    %r14,%rdx
  pop    %r12
  lea    D5(%rip),%rsi
  pop    %r13
  pop    %r14
  jmp    1080 <fprintf@plt>
  nopl   0x0(%rax)
L32:
  test   %r13,%r13
  je     L15
  mov    %r8d,%ecx
  mov    %r13,%rdx
  jmp    L24
  nopl   (%rax)
L15:
  add    $0x10,%rsp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

tool_calls: name: read_data
arguments: label: D5
type_infered: string

tool: D5: <%s>%s-%s</%s>


assistant: ```c
void output_range(FILE *outptr, const char *tag, const char *start, const char *end, int level) {
  if (start && end) {
    output_level(outptr, level);
    fprintf(outptr, "<%s>%s-%s</%s>\n", tag, start, end, tag);
  } else if (start)
    output_itemv(outptr, tag, start, level);
  else if (end)
    output_itemv(outptr, tag, end, level);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<output_range>:
  endbr64
  push   %r14
  mov    %rsi,%r14
  push   %r13
  mov    %rcx,%r13
  push   %r12
  sub    $0x10,%rsp
  test   %rdx,%rdx
  je     L12
  mov    %rdx,%r12
  test   %rcx,%rcx
  jne    L8
  test   %rdx,%rdx
  je     L12
  mov    %r8d,%ecx
L28:
  add    $0x10,%rsp
  mov    %r14,%rsi
  pop    %r12
  pop    %r13
  pop    %r14
  jmp    1070 <output_itemv@plt>
  nopl   0x0(%rax,%rax,1)
L8:
  mov    %r8d,%esi
  mov    %rdi,0x8(%rsp)
  call   <output_level@plt>
  mov    0x8(%rsp),%rdi
  mov    %r14,%r9
  mov    %r13,%r8
  add    $0x10,%rsp
  mov    %r12,%rcx
  mov    %r14,%rdx
  pop    %r12
  lea    D1(%rip),%rsi
  pop    %r13
  pop    %r14
  jmp    1080 <fprintf@plt>
  nopl   0x0(%rax)
L12:
  test   %r13,%r13
  je     L44
  mov    %r8d,%ecx
  mov    %r13,%rdx
  jmp    L28
  nopl   (%rax)
L44:
  add    $0x10,%rsp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

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

tool: D1: <%s>%s-%s</%s>


assistant: ```c
void output_range(FILE *outptr, const char *tag, const char *start, const char *end, int level) {
  if (start && end) {
    output_level(outptr, level);
    fprintf(outptr, "<%s>%s-%s</%s>\n", tag, start, end, tag);
  } else if (start)
    output_itemv(outptr, tag, start, level);
  else if (end)
    output_itemv(outptr, tag, end, level);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    $0x1,%edi
  call   <print@plt>
  mov    $0x2,%edi
  call   <print@plt>
  mov    $0x0,%eax
  pop    %rbp
  ret
```

assistant: ```c
int main(void) {
  print(1);
  print(2);
}
```
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
  sub    $0x8,%rsp
  mov    $0x1,%edi
  call   <print@plt>
  mov    $0x2,%edi
  call   <print@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main(void) {
  print(1);
  print(2);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x1,%edi
  call   <print@plt>
  mov    $0x2,%edi
  call   <print@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main(void) {
  print(1);
  print(2);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x1,%edi
  call   <print@plt>
  mov    $0x2,%edi
  call   <print@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main(void) {
  print(1);
  print(2);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<mmemcpy>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %rdx,-0x38(%rbp)
  movq   $0x0,-0x18(%rbp)
  mov    -0x30(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  jmp    L5
L8:
  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,-0x18(%rbp)
L5:
  mov    -0x18(%rbp),%rax
  cmp    -0x38(%rbp),%rax
  jb     L8
  mov    -0x28(%rbp),%rax
  pop    %rbp
  ret
```

assistant: ```c
void *mmemcpy(void *out, const void *in, size_t len) {
  const unsigned char *source;
  unsigned char *destination;
  size_t i;
  i = 0;
  source = in;
  destination = out;
  while (i < len) {
    destination[i] = source[i];
    i += 1;
  }
  return (out);
}
```
user: Translate the below assembly code into C programming language:

```asm
<mmemcpy>:
  endbr64
  mov    %rdi,%rax
  test   %rdx,%rdx
  je     L9
  mov    $0x0,%ecx
L13:
  movzbl (%rsi,%rcx,1),%r8d
  mov    %r8b,(%rax,%rcx,1)
  add    $0x1,%rcx
  cmp    %rcx,%rdx
  jne    L13
L9:
  ret
```

assistant: ```c
void *mmemcpy(void *out, const void *in, size_t len) {
  const unsigned char *source;
  unsigned char *destination;
  size_t i;
  i = 0;
  source = in;
  destination = out;
  while (i < len) {
    destination[i] = source[i];
    i += 1;
  }
  return (out);
}
```
user: What is the c source code of the assembly code below:

```asm
<mmemcpy>:
  endbr64
  mov    %rdi,%rax
  test   %rdx,%rdx
  je     L5
  xor    %ecx,%ecx
  xchg   %ax,%ax
L8:
  movzbl (%rsi,%rcx,1),%r8d
  mov    %r8b,(%rax,%rcx,1)
  add    $0x1,%rcx
  cmp    %rcx,%rdx
  jne    L8
L5:
  ret
```

assistant: ```c
void *mmemcpy(void *out, const void *in, size_t len) {
  const unsigned char *source;
  unsigned char *destination;
  size_t i;
  i = 0;
  source = in;
  destination = out;
  while (i < len) {
    destination[i] = source[i];
    i += 1;
  }
  return (out);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<mmemcpy>:
  endbr64
  mov    %rdi,%r8
  mov    %rsi,%rcx
  test   %rdx,%rdx
  je     L139
  lea    0x1(%rsi),%rdi
  mov    %r8,%rsi
  lea    -0x1(%rdx),%rax
  sub    %rdi,%rsi
  cmp    $0xe,%rsi
  jbe    L149
  cmp    $0x6,%rax
  jbe    L149
  mov    %rdx,%rsi
  cmp    $0xe,%rax
  jbe    L60
  and    $0xfffffffffffffff0,%rsi
  xor    %eax,%eax
  nopl   0x0(%rax,%rax,1)
L61:
  movdqu (%rcx,%rax,1),%xmm0
  movups %xmm0,(%r8,%rax,1)
  add    $0x10,%rax
  cmp    %rax,%rsi
  jne    L61
  mov    %rdx,%rax
  and    $0xfffffffffffffff0,%rax
  test   $0xf,%dl
  je     L139
  mov    %rdx,%rsi
  sub    %rax,%rsi
  lea    -0x1(%rsi),%rdi
  cmp    $0x6,%rdi
  jbe    L101
L130:
  mov    (%rcx,%rax,1),%rdi
  mov    %rdi,(%r8,%rax,1)
  mov    %rsi,%rdi
  and    $0xfffffffffffffff8,%rdi
  add    %rdi,%rax
  cmp    %rdi,%rsi
  je     L139
L101:
  movzbl (%rcx,%rax,1),%esi
  mov    %sil,(%r8,%rax,1)
  lea    0x1(%rax),%rsi
  cmp    %rsi,%rdx
  jbe    L139
  movzbl 0x1(%rcx,%rax,1),%esi
  mov    %sil,0x1(%r8,%rax,1)
  lea    0x2(%rax),%rsi
  cmp    %rsi,%rdx
  jbe    L139
  movzbl 0x2(%rcx,%rax,1),%esi
  mov    %sil,0x2(%r8,%rax,1)
  lea    0x3(%rax),%rsi
  cmp    %rsi,%rdx
  jbe    L139
  movzbl 0x3(%rcx,%rax,1),%esi
  mov    %sil,0x3(%r8,%rax,1)
  lea    0x4(%rax),%rsi
  cmp    %rsi,%rdx
  jbe    L139
  movzbl 0x4(%rcx,%rax,1),%esi
  mov    %sil,0x4(%r8,%rax,1)
  lea    0x5(%rax),%rsi
  cmp    %rsi,%rdx
  jbe    L139
  movzbl 0x5(%rcx,%rax,1),%esi
  mov    %sil,0x5(%r8,%rax,1)
  lea    0x6(%rax),%rsi
  cmp    %rsi,%rdx
  jbe    L139
  movzbl 0x6(%rcx,%rax,1),%edx
  mov    %dl,0x6(%r8,%rax,1)
L139:
  mov    %r8,%rax
  ret
  nopl   0x0(%rax,%rax,1)
L149:
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L107:
  movzbl (%rcx,%rax,1),%esi
  mov    %sil,(%r8,%rax,1)
  add    $0x1,%rax
  cmp    %rax,%rdx
  jne    L107
  mov    %r8,%rax
  ret
L60:
  xor    %eax,%eax
  jmp    L130
```

assistant: ```c
void *mmemcpy(void *out, const void *in, size_t len) {
  const unsigned char *source;
  unsigned char *destination;
  size_t i;
  i = 0;
  source = in;
  destination = out;
  while (i < len) {
    destination[i] = source[i];
    i += 1;
  }
  return (out);
}
```
user: Translate the below assembly code into C programming language:

```asm
<string_to_upper>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L36
L7:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x60,%al
  jle    L22
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x7a,%al
  jg     L22
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  lea    -0x20(%rax),%ecx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %ecx,%edx
  mov    %dl,(%rax)
L22:
  addl   $0x1,-0x4(%rbp)
L36:
  mov    -0x4(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jl     L7
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void string_to_upper(char *s, int len) {
  int i;
  for (i = 0; i < len; i++) {
    if (s[i] > 96 && s[i] < 123) {
      s[i] -= 32;
    }
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<string_to_upper>:
  endbr64
  test   %esi,%esi
  jle    L33
  mov    %rdi,%rax
  lea    -0x1(%rsi),%edx
  lea    0x1(%rdi,%rdx,1),%rsi
  jmp    L4
L15:
  add    $0x1,%rax
  cmp    %rsi,%rax
  je     L33
L4:
  movzbl (%rax),%edx
  lea    -0x61(%rdx),%ecx
  cmp    $0x19,%cl
  ja     L15
  sub    $0x20,%edx
  mov    %dl,(%rax)
  jmp    L15
L33:
  ret
```

assistant: ```c
void string_to_upper(char *s, int len) {
  int i;
  for (i = 0; i < len; i++) {
    if (s[i] > 96 && s[i] < 123) {
      s[i] -= 32;
    }
  }
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<string_to_upper>:
  endbr64
  test   %esi,%esi
  jle    L21
  lea    -0x1(%rsi),%eax
  lea    0x1(%rdi,%rax,1),%rcx
L28:
  movzbl (%rdi),%eax
  lea    -0x61(%rax),%edx
  cmp    $0x19,%dl
  ja     L12
  sub    $0x20,%eax
  mov    %al,(%rdi)
L12:
  add    $0x1,%rdi
  cmp    %rcx,%rdi
  jne    L28
L21:
  ret
```

assistant: ```c
void string_to_upper(char *s, int len) {
  int i;
  for (i = 0; i < len; i++) {
    if (s[i] > 96 && s[i] < 123) {
      s[i] -= 32;
    }
  }
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<string_to_upper>:
  endbr64
  test   %esi,%esi
  jle    L24
  lea    -0x1(%rsi),%eax
  lea    0x1(%rdi,%rax,1),%rcx
L3:
  movzbl (%rdi),%eax
  lea    -0x61(%rax),%edx
  cmp    $0x19,%dl
  ja     L29
  sub    $0x20,%eax
  mov    %al,(%rdi)
L29:
  add    $0x1,%rdi
  cmp    %rcx,%rdi
  jne    L3
L24:
  ret
```

assistant: ```c
void string_to_upper(char *s, int len) {
  int i;
  for (i = 0; i < len; i++) {
    if (s[i] > 96 && s[i] < 123) {
      s[i] -= 32;
    }
  }
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<srec_set_hex8>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %esi,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  shr    $0x4,%eax
  and    $0xf,%eax
  mov    %eax,%edx
  mov    -0x8(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <srec_set_hex4@plt>
  mov    -0xc(%rbp),%eax
  and    $0xf,%eax
  mov    %eax,%edx
  mov    -0x8(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <srec_set_hex4@plt>
  nop
  leave
  ret
```

assistant: ```c
void srec_set_hex8(FILE *fp, unsigned val) {
  srec_set_hex4(fp, (val >> 4) & 0x0f);
  srec_set_hex4(fp, val & 0x0f);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<srec_set_hex8>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  mov    %esi,%ebx
  shr    $0x4,%esi
  and    $0xf,%esi
  call   <srec_set_hex4@plt>
  and    $0xf,%ebx
  mov    %ebx,%esi
  mov    %rbp,%rdi
  call   <srec_set_hex4@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void srec_set_hex8(FILE *fp, unsigned val) {
  srec_set_hex4(fp, (val >> 4) & 0x0f);
  srec_set_hex4(fp, val & 0x0f);
}
```
user: What is the c source code of the assembly code below?

```asm
<srec_set_hex8>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %esi,%ebx
  shr    $0x4,%esi
  and    $0xf,%esi
  and    $0xf,%ebx
  sub    $0x8,%rsp
  call   <srec_set_hex4@plt>
  add    $0x8,%rsp
  mov    %ebx,%esi
  mov    %rbp,%rdi
  pop    %rbx
  pop    %rbp
  jmp    1050 <srec_set_hex4@plt>
```

assistant: ```c
void srec_set_hex8(FILE *fp, unsigned val) {
  srec_set_hex4(fp, (val >> 4) & 0x0f);
  srec_set_hex4(fp, val & 0x0f);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<srec_set_hex8>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %esi,%ebx
  shr    $0x4,%esi
  and    $0xf,%esi
  and    $0xf,%ebx
  sub    $0x8,%rsp
  call   <srec_set_hex4@plt>
  add    $0x8,%rsp
  mov    %ebx,%esi
  mov    %rbp,%rdi
  pop    %rbx
  pop    %rbp
  jmp    1050 <srec_set_hex4@plt>
```

assistant: ```c
void srec_set_hex8(FILE *fp, unsigned val) {
  srec_set_hex4(fp, (val >> 4) & 0x0f);
  srec_set_hex4(fp, val & 0x0f);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<env_len>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  movl   $0xffffffff,-0x4(%rbp)
  nop
L1:
  addl   $0x1,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  test   %rax,%rax
  jne    L1
  mov    -0x4(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int env_len(char *const envp[]) {
  int num_env = -1;
  while (envp[++num_env] != NULL)
    ;
  return num_env;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<env_len>:
  endbr64
  mov    $0x0,%eax
L0:
  mov    %eax,%edx
  add    $0x1,%rax
  cmpq   $0x0,-0x8(%rdi,%rax,8)
  jne    L0
  mov    %edx,%eax
  ret
```

assistant: ```c
int env_len(char *const envp[]) {
  int num_env = -1;
  while (envp[++num_env] != NULL)
    ;
  return num_env;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<env_len>:
  endbr64
  xor    %eax,%eax
  cs nopw 0x0(%rax,%rax,1)
L6:
  mov    %eax,%r8d
  add    $0x1,%rax
  cmpq   $0x0,-0x8(%rdi,%rax,8)
  jne    L6
  mov    %r8d,%eax
  ret
```

assistant: ```c
int env_len(char *const envp[]) {
  int num_env = -1;
  while (envp[++num_env] != NULL)
    ;
  return num_env;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<env_len>:
  endbr64
  xor    %eax,%eax
  cs nopw 0x0(%rax,%rax,1)
L1:
  mov    %eax,%r8d
  add    $0x1,%rax
  cmpq   $0x0,-0x8(%rdi,%rax,8)
  jne    L1
  mov    %r8d,%eax
  ret
```

assistant: ```c
int env_len(char *const envp[]) {
  int num_env = -1;
  while (envp[++num_env] != NULL)
    ;
  return num_env;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<main>:
  endbr64
  push   %rbx
  sub    $0x40,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x38(%rsp)
  xor    %eax,%eax
  lea    D22(%rip),%rdi
  call   <printf@plt>
  lea    0xc(%rsp),%rsi
  lea    D34(%rip),%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  lea    D11(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    0x18(%rsp),%rcx
  lea    0x14(%rsp),%rdx
  lea    0x10(%rsp),%rsi
  lea    0x20(%rsp),%r9
  lea    0x1c(%rsp),%r8
  lea    D3(%rip),%rbx
  mov    %rbx,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  lea    D48(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    0x2c(%rsp),%rcx
  lea    0x28(%rsp),%rdx
  lea    0x24(%rsp),%rsi
  lea    0x34(%rsp),%r9
  lea    0x30(%rsp),%r8
  mov    %rbx,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  mov    0x14(%rsp),%eax
  add    0xc(%rsp),%eax
  add    0x1c(%rsp),%eax
  add    0x24(%rsp),%eax
  add    0x2c(%rsp),%eax
  add    0x34(%rsp),%eax
  lea    (%rax,%rax,2),%edx
  mov    0x18(%rsp),%eax
  add    0x10(%rsp),%eax
  add    0x20(%rsp),%eax
  add    0x28(%rsp),%eax
  add    0x30(%rsp),%eax
  lea    -0x1(%rdx,%rax,1),%edx
  movslq %edx,%rax
  imul   $0x66666667,%rax,%rax
  sar    $0x22,%rax
  mov    %edx,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%eax
  lea    (%rax,%rax,4),%eax
  add    %eax,%eax
  sub    %edx,%eax
  lea    0x9(%rax),%esi
  lea    D39(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    0x38(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L7
  mov    $0x0,%eax
  add    $0x40,%rsp
  pop    %rbx
  ret
L7:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: tag: D22
datatype: string
name: read_data
arguments: tag: D34
datatype: string
name: read_data
arguments: tag: D11
datatype: string
name: read_data
arguments: tag: D3
datatype: string
name: read_data
arguments: tag: D48
datatype: string
name: read_data
arguments: tag: D39
datatype: string

tool: D22: Enter first (single) digit: 

tool: D34: %1d

tool: D11: Enter first group of five digits: 

tool: D3: %1d%1d%1d%1d%1d

tool: D48: Enter second group of five digits: 

tool: D39: Check digit: %d


assistant: ```c
int main(void) {
  int d, i1, i2, i3, i4, i5, j1, j2, j3, j4, j5, first_sum, second_sum, total;
  printf("Enter first (single) digit: ");
  scanf("%1d", &d);
  printf("Enter first group of five digits: ");
  scanf("%1d%1d%1d%1d%1d", &i1, &i2, &i3, &i4, &i5);
  printf("Enter second group of five digits: ");
  scanf("%1d%1d%1d%1d%1d", &j1, &j2, &j3, &j4, &j5);
  first_sum = d + i2 + i4 + j1 + j3 + j5;
  second_sum = i1 + i3 + i5 + j2 + j4;
  total = (3 * first_sum) + second_sum;
  printf("Check digit: %d\n", 9 - ((total - 1) % 10));
  return 0;
}
```