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

```asm
<readnum>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x30(%rbp),%rax
  mov    (%rax),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  lea    -0x10(%rbp),%rax
  mov    %rax,%rdx
  lea    D7(%rip),%rax
  mov    %rax,%rsi
  mov    %rcx,%rdi
  call   <sscanf@plt>
  movl   $0x0,-0x14(%rbp)
  jmp    L36
L48:
  mov    -0x30(%rbp),%rax
  mov    (%rax),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2e,%al
  jne    L50
  movl   $0x1,-0x14(%rbp)
L50:
  mov    -0x30(%rbp),%rax
  mov    (%rax),%eax
  lea    0x1(%rax),%edx
  mov    -0x30(%rbp),%rax
  mov    %edx,(%rax)
L36:
  mov    -0x30(%rbp),%rax
  mov    (%rax),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L45
  mov    -0x30(%rbp),%rax
  mov    (%rax),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  jne    L48
  cmpl   $0x0,-0x14(%rbp)
  jne    L45
  mov    -0x30(%rbp),%rax
  mov    (%rax),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2e,%al
  je     L48
L45:
  movsd  -0x10(%rbp),%xmm0
  movq   %xmm0,%rax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L8
  call   <__stack_chk_fail@plt>
L8:
  movq   %rax,%xmm0
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D7
type_guessed: string

tool: D7: %lf

assistant: ```c
double readnum(const char *p, int *pos) {
  double result;
  sscanf(p + *pos, "%lf", &result);
  int flag = 0;
  while (p[*pos] && (isdigit(p[*pos]) || (flag == 0 && p[*pos] == '.'))) {
    if (p[*pos] == '.') {
      flag = 1;
    }
    (*pos)++;
  }
  return result;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<readnum>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdx
  movslq (%rsi),%rdi
  add    %rbx,%rdi
  lea    D1(%rip),%rsi
  call   <sscanf@plt>
  movslq 0x0(%rbp),%rax
  movzbl (%rbx,%rax,1),%edi
  mov    $0x0,%r12d
  mov    $0x1,%r13d
  test   %dil,%dil
  jne    L61
L45:
  movsd  (%rsp),%xmm0
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L24
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L49:
  mov    0x0(%rbp),%eax
  movslq %eax,%rdx
  cmpb   $0x2e,(%rbx,%rdx,1)
  cmove  %r13d,%r12d
L8:
  add    $0x1,%eax
  mov    %eax,0x0(%rbp)
  cltq
  movzbl (%rbx,%rax,1),%edi
  test   %dil,%dil
  je     L45
L61:
  movsbl %dil,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  jne    L49
  test   %r12d,%r12d
  jne    L45
  mov    0x0(%rbp),%eax
  movslq %eax,%rdx
  cmpb   $0x2e,(%rbx,%rdx,1)
  jne    L45
  mov    $0x1,%r12d
  jmp    L8
L24:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: label: D1
datatype: string

tool: D1: %lf

assistant: ```c
double readnum(const char *p, int *pos) {
  double result;
  sscanf(p + *pos, "%lf", &result);
  int flag = 0;
  while (p[*pos] && (isdigit(p[*pos]) || (flag == 0 && p[*pos] == '.'))) {
    if (p[*pos] == '.') {
      flag = 1;
    }
    (*pos)++;
  }
  return result;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<readnum>:
  endbr64
  push   %r13
  xor    %r13d,%r13d
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    $0x1,%ebx
  sub    $0x18,%rsp
  movslq (%rsi),%rdi
  lea    D3(%rip),%rsi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdx
  add    %rbp,%rdi
  call   <sscanf@plt>
  movslq (%r12),%rax
  movsbl 0x0(%rbp,%rax,1),%edi
  test   %dil,%dil
  jne    L56
  jmp    L8
  nopl   0x0(%rax)
L9:
  test   %r13d,%r13d
  jne    L8
  movslq (%r12),%rdx
  cmpb   $0x2e,0x0(%rbp,%rdx,1)
  mov    %rdx,%rax
  jne    L8
  mov    $0x1,%r13d
L12:
  add    $0x1,%eax
  mov    %eax,(%r12)
  cltq
  movsbl 0x0(%rbp,%rax,1),%edi
  test   %dil,%dil
  je     L8
L56:
  call   <isdigit@plt>
  test   %rax,%rax
  je     L9
  movslq (%r12),%rdx
  cmpb   $0x2e,0x0(%rbp,%rdx,1)
  mov    %rdx,%rax
  cmove  %ebx,%r13d
  jmp    L12
L8:
  movsd  (%rsp),%xmm0
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L23
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L23:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_tag: D3
datatype: string

tool: D3: %lf

assistant: ```c
double readnum(const char *p, int *pos) {
  double result;
  sscanf(p + *pos, "%lf", &result);
  int flag = 0;
  while (p[*pos] && (isdigit(p[*pos]) || (flag == 0 && p[*pos] == '.'))) {
    if (p[*pos] == '.') {
      flag = 1;
    }
    (*pos)++;
  }
  return result;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<readnum>:
  endbr64
  push   %r13
  xor    %r13d,%r13d
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    $0x1,%ebx
  sub    $0x18,%rsp
  movslq (%rsi),%rdi
  lea    D6(%rip),%rsi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdx
  add    %rbp,%rdi
  call   <sscanf@plt>
  movslq (%r12),%rax
  movsbl 0x0(%rbp,%rax,1),%edi
  test   %dil,%dil
  jne    L6
  jmp    L71
  nopl   0x0(%rax)
L44:
  test   %r13d,%r13d
  jne    L71
  movslq (%r12),%rdx
  cmpb   $0x2e,0x0(%rbp,%rdx,1)
  mov    %rdx,%rax
  jne    L71
  mov    $0x1,%r13d
L5:
  add    $0x1,%eax
  mov    %eax,(%r12)
  cltq
  movsbl 0x0(%rbp,%rax,1),%edi
  test   %dil,%dil
  je     L71
L6:
  call   <isdigit@plt>
  test   %rax,%rax
  je     L44
  movslq (%r12),%rdx
  cmpb   $0x2e,0x0(%rbp,%rdx,1)
  mov    %rdx,%rax
  cmove  %ebx,%r13d
  jmp    L5
L71:
  movsd  (%rsp),%xmm0
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L0
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L0:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_tag: D6
data_type: string

tool: D6: %lf

assistant: ```c
double readnum(const char *p, int *pos) {
  double result;
  sscanf(p + *pos, "%lf", &result);
  int flag = 0;
  while (p[*pos] && (isdigit(p[*pos]) || (flag == 0 && p[*pos] == '.'))) {
    if (p[*pos] == '.') {
      flag = 1;
    }
    (*pos)++;
  }
  return result;
}
```
user: What is the c source code of the assembly code below:

```asm
<test>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  cmpl   $0x1,-0x14(%rbp)
  jle    L34
  movl   $0x2,-0x4(%rbp)
  jmp    L0
L30:
  mov    -0x4(%rbp),%eax
  lea    0x5(%rax),%edx
  movslq %edx,%rax
  imul   $0xffffffff92492493,%rax,%rax
  shr    $0x20,%rax
  add    %edx,%eax
  sar    $0x2,%eax
  mov    %edx,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%eax
  mov    %eax,%ecx
  shl    $0x3,%ecx
  sub    %eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  test   %eax,%eax
  jne    L19
  mov    $0x1,%edi
  call   <hash@plt>
  mov    -0x4(%rbp),%eax
  mov    %eax,%edi
  call   <hash@plt>
  mov    -0x4(%rbp),%eax
  sub    $0x2,%eax
  movslq %eax,%rdx
  imul   $0xffffffff92492493,%rdx,%rdx
  shr    $0x20,%rdx
  add    %eax,%edx
  sar    $0x2,%edx
  sar    $0x1f,%eax
  mov    %eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  mov    %eax,%edi
  call   <hash@plt>
L19:
  addl   $0x1,-0x4(%rbp)
L0:
  mov    -0x4(%rbp),%eax
  cmp    -0x14(%rbp),%eax
  jle    L30
L34:
  nop
  leave
  ret
```

assistant: ```c
void test(int M) {
  int c2;
  int i, j;
  if (M >= 2) {
    for (c2 = 2; c2 <= M; c2++) {
      if ((c2 + 5) % 7 == 0) {
        {
          hash(1);
          hash(c2);
          hash(((c2 - 2) / 7));
        };
      }
    }
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<test>:
  endbr64
  cmp    $0x1,%edi
  jle    L10
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edi,%ebp
  mov    $0x2,%ebx
  jmp    L48
L24:
  add    $0x1,%ebx
  cmp    %ebx,%ebp
  jl     L13
L48:
  lea    0x5(%rbx),%edx
  movslq %edx,%rax
  imul   $0xffffffff92492493,%rax,%rax
  shr    $0x20,%rax
  add    %edx,%eax
  sar    $0x2,%eax
  mov    %edx,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%eax
  lea    0x0(,%rax,8),%ecx
  sub    %eax,%ecx
  cmp    %ecx,%edx
  jne    L24
  mov    $0x1,%edi
  call   <hash@plt>
  mov    %ebx,%edi
  call   <hash@plt>
  lea    -0x2(%rbx),%eax
  movslq %eax,%rdi
  imul   $0xffffffff92492493,%rdi,%rdi
  shr    $0x20,%rdi
  add    %eax,%edi
  sar    $0x2,%edi
  sar    $0x1f,%eax
  sub    %eax,%edi
  call   <hash@plt>
  jmp    L24
L13:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L10:
  ret
```

assistant: ```c
void test(int M) {
  int c2;
  int i, j;
  if (M >= 2) {
    for (c2 = 2; c2 <= M; c2++) {
      if ((c2 + 5) % 7 == 0) {
        {
          hash(1);
          hash(c2);
          hash(((c2 - 2) / 7));
        };
      }
    }
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<test>:
  endbr64
  cmp    $0x1,%edi
  jle    L41
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  mov    $0x2,%ebx
  sub    $0x8,%rsp
  jmp    L8
  nopl   0x0(%rax,%rax,1)
L28:
  add    $0x1,%ebx
  cmp    %ebx,%ebp
  jl     L5
L8:
  lea    0x5(%rbx),%eax
  imul   $0xb6db6db7,%eax,%eax
  cmp    $0x24924924,%eax
  ja     L28
  mov    $0x1,%edi
  call   <hash@plt>
  mov    %ebx,%edi
  call   <hash@plt>
  lea    -0x2(%rbx),%edx
  add    $0x1,%ebx
  mov    %rdx,%rax
  imul   $0x24924925,%rdx,%rdx
  shr    $0x20,%rdx
  sub    %edx,%eax
  mov    %eax,%edi
  shr    %edi
  add    %edx,%edi
  shr    $0x2,%edi
  call   <hash@plt>
  cmp    %ebx,%ebp
  jge    L8
L5:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopw   0x0(%rax,%rax,1)
L41:
  ret
```

assistant: ```c
void test(int M) {
  int c2;
  int i, j;
  if (M >= 2) {
    for (c2 = 2; c2 <= M; c2++) {
      if ((c2 + 5) % 7 == 0) {
        {
          hash(1);
          hash(c2);
          hash(((c2 - 2) / 7));
        };
      }
    }
  }
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<test>:
  endbr64
  cmp    $0x1,%edi
  jle    L3
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  mov    $0x2,%ebx
  sub    $0x8,%rsp
  jmp    L13
  nopl   0x0(%rax,%rax,1)
L8:
  add    $0x1,%ebx
  cmp    %ebx,%ebp
  jl     L47
L13:
  lea    0x5(%rbx),%eax
  imul   $0xb6db6db7,%eax,%eax
  cmp    $0x24924924,%eax
  ja     L8
  mov    $0x1,%edi
  call   <hash@plt>
  mov    %ebx,%edi
  call   <hash@plt>
  lea    -0x2(%rbx),%edx
  add    $0x1,%ebx
  mov    %rdx,%rax
  imul   $0x24924925,%rdx,%rdx
  shr    $0x20,%rdx
  sub    %edx,%eax
  mov    %eax,%edi
  shr    %edi
  add    %edx,%edi
  shr    $0x2,%edi
  call   <hash@plt>
  cmp    %ebx,%ebp
  jge    L13
L47:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopw   0x0(%rax,%rax,1)
L3:
  ret
```

assistant: ```c
void test(int M) {
  int c2;
  int i, j;
  if (M >= 2) {
    for (c2 = 2; c2 <= M; c2++) {
      if ((c2 + 5) % 7 == 0) {
        {
          hash(1);
          hash(c2);
          hash(((c2 - 2) / 7));
        };
      }
    }
  }
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<readhex>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x238,%rsp
  mov    %rsi,%rbp
  mov    %rdx,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x228(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%rax
  mov    %rdi,%rdx
  mov    $0x20c,%esi
  mov    %rax,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L170
  cmpb   $0x3a,0x10(%rsp)
  jne    L136
  lea    0x8(%rsp),%rsi
  lea    0x11(%rsp),%rdi
  mov    $0x2,%edx
  call   <sscanhex@plt>
  test   %rax,%rax
  jne    L200
  lea    0xc(%rsp),%rsi
  lea    0x13(%rsp),%rdi
  mov    $0x4,%edx
  call   <sscanhex@plt>
  test   %rax,%rax
  jne    L32
  mov    0x0(%rbp),%rax
  and    $0xf0000,%eax
  mov    0xc(%rsp),%edx
  add    %rdx,%rax
  mov    %rax,0x0(%rbp)
  lea    0x4(%rsp),%rsi
  lea    0x17(%rsp),%rdi
  mov    $0x2,%edx
  call   <sscanhex@plt>
  test   %rax,%rax
  jne    L175
  mov    0x4(%rsp),%eax
  cmp    $0x2,%eax
  je     L79
  mov    $0x0,%edx
  cmp    $0x1,%eax
  je     L139
  test   %eax,%eax
  jne    L127
  mov    0x8(%rsp),%eax
  test   %eax,%eax
  je     L207
  lea    -0x1(%rax),%eax
  lea    0x1(%rbx,%rax,1),%r13
  lea    0x17(%rsp),%rbp
  lea    0x4(%rsp),%r12
L174:
  add    $0x2,%rbp
  mov    $0x2,%edx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <sscanhex@plt>
  test   %rax,%rax
  jne    L118
  add    $0x1,%rbx
  mov    0x4(%rsp),%eax
  mov    %al,-0x1(%rbx)
  cmp    %rbx,%r13
  jne    L174
L207:
  mov    0x8(%rsp),%edx
L139:
  mov    0x228(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L144
  mov    %edx,%eax
  add    $0x238,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L79:
  lea    0xc(%rsp),%rsi
  lea    0x19(%rsp),%rdi
  mov    $0x4,%edx
  call   <sscanhex@plt>
  test   %rax,%rax
  jne    L142
  mov    0xc(%rsp),%eax
  shl    $0x4,%rax
  mov    %rax,0x0(%rbp)
  mov    $0x0,%edx
  jmp    L139
L170:
  mov    $0xffffffff,%edx
  jmp    L139
L136:
  mov    $0xfffffffe,%edx
  jmp    L139
L200:
  mov    $0xfffffffe,%edx
  jmp    L139
L32:
  mov    $0xfffffffe,%edx
  jmp    L139
L175:
  mov    $0xfffffffe,%edx
  jmp    L139
L142:
  mov    $0xfffffffe,%edx
  jmp    L139
L127:
  mov    $0xfffffffe,%edx
  jmp    L139
L118:
  mov    $0xfffffffe,%edx
  jmp    L139
L144:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int readhex(FILE *fp, unsigned long *addr, unsigned char *data) {
  char hexline[524];
  char *hp = hexline;
  unsigned int byte;
  int i;
  unsigned int num;
  unsigned int low_addr;
  if (fgets(hexline, 524, fp) == NULL) {
    return -1;
  }
  if (*hp++ != ':') {
    return -2;
  }
  if (sscanhex(hp, &num, 2)) {
    return -2;
  }
  hp += 2;
  if (sscanhex(hp, &low_addr, 4)) {
    return -2;
  }
  *addr &= 0xF0000L;
  *addr += low_addr;
  hp += 4;
  if (sscanhex(hp, &byte, 2)) {
    return -2;
  }
  if (byte == 2) {
    hp += 2;
    if (sscanhex(hp, &low_addr, 4)) {
      return -2;
    }
    *addr = low_addr * 16L;
    return 0;
  }
  if (byte == 1) {
    return 0;
  }
  if (byte != 0) {
    return -2;
  }
  for (i = num; i--;) {
    hp += 2;
    if (sscanhex(hp, &byte, 2)) {
      return -2;
    }
    *data++ = byte;
  }
  return num;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<readhex>:
  endbr64
  push   %r14
  mov    %rdi,%r8
  push   %r13
  mov    %rsi,%r13
  mov    $0x20c,%esi
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdx,%rbx
  mov    %r8,%rdx
  sub    $0x230,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x228(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L157
  cmpb   $0x3a,0x10(%rsp)
  jne    L57
  lea    0x8(%rsp),%rsi
  lea    0x11(%rsp),%rdi
  mov    $0x2,%edx
  call   <sscanhex@plt>
  test   %rax,%rax
  jne    L57
  lea    0xc(%rsp),%r14
  lea    0x13(%rsp),%rdi
  mov    $0x4,%edx
  mov    %r14,%rsi
  call   <sscanhex@plt>
  test   %rax,%rax
  jne    L57
  mov    0x0(%r13),%rax
  mov    0xc(%rsp),%edx
  lea    0x4(%rsp),%r12
  lea    0x17(%rsp),%rbp
  mov    %r12,%rsi
  mov    %rbp,%rdi
  and    $0xf0000,%eax
  add    %rdx,%rax
  mov    $0x2,%edx
  mov    %rax,0x0(%r13)
  call   <sscanhex@plt>
  test   %rax,%rax
  jne    L57
  mov    0x4(%rsp),%eax
  cmp    $0x2,%eax
  je     L31
  xor    %r8d,%r8d
  cmp    $0x1,%eax
  je     L159
  test   %eax,%eax
  jne    L57
  mov    0x8(%rsp),%eax
  test   %eax,%eax
  je     L159
  sub    $0x1,%eax
  lea    0x1(%rbx,%rax,1),%r13
  jmp    L108
L45:
  mov    0x4(%rsp),%eax
  add    $0x1,%rbx
  mov    %al,-0x1(%rbx)
  cmp    %rbx,%r13
  je     L146
L108:
  add    $0x2,%rbp
  mov    $0x2,%edx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <sscanhex@plt>
  test   %rax,%rax
  je     L45
L57:
  mov    $0xfffffffe,%r8d
L159:
  mov    0x228(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L70
  add    $0x230,%rsp
  mov    %r8d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   (%rax)
L146:
  mov    0x8(%rsp),%r8d
  jmp    L159
  nop
L31:
  lea    0x19(%rsp),%rdi
  mov    $0x4,%edx
  mov    %r14,%rsi
  call   <sscanhex@plt>
  test   %rax,%rax
  jne    L57
  mov    0xc(%rsp),%eax
  xor    %r8d,%r8d
  shl    $0x4,%rax
  mov    %rax,0x0(%r13)
  jmp    L159
L157:
  mov    $0xffffffff,%r8d
  jmp    L159
L70:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int readhex(FILE *fp, unsigned long *addr, unsigned char *data) {
  char hexline[524];
  char *hp = hexline;
  unsigned int byte;
  int i;
  unsigned int num;
  unsigned int low_addr;
  if (fgets(hexline, 524, fp) == NULL) {
    return -1;
  }
  if (*hp++ != ':') {
    return -2;
  }
  if (sscanhex(hp, &num, 2)) {
    return -2;
  }
  hp += 2;
  if (sscanhex(hp, &low_addr, 4)) {
    return -2;
  }
  *addr &= 0xF0000L;
  *addr += low_addr;
  hp += 4;
  if (sscanhex(hp, &byte, 2)) {
    return -2;
  }
  if (byte == 2) {
    hp += 2;
    if (sscanhex(hp, &low_addr, 4)) {
      return -2;
    }
    *addr = low_addr * 16L;
    return 0;
  }
  if (byte == 1) {
    return 0;
  }
  if (byte != 0) {
    return -2;
  }
  for (i = num; i--;) {
    hp += 2;
    if (sscanhex(hp, &byte, 2)) {
      return -2;
    }
    *data++ = byte;
  }
  return num;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<readhex>:
  endbr64
  push   %r14
  mov    %rdi,%r8
  push   %r13
  mov    %rsi,%r13
  mov    $0x20c,%esi
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdx,%rbx
  mov    %r8,%rdx
  sub    $0x230,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x228(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L49
  cmpb   $0x3a,0x10(%rsp)
  jne    L135
  lea    0x8(%rsp),%rsi
  lea    0x11(%rsp),%rdi
  mov    $0x2,%edx
  call   <sscanhex@plt>
  test   %rax,%rax
  jne    L135
  lea    0xc(%rsp),%r14
  lea    0x13(%rsp),%rdi
  mov    $0x4,%edx
  mov    %r14,%rsi
  call   <sscanhex@plt>
  test   %rax,%rax
  jne    L135
  mov    0x0(%r13),%rax
  mov    0xc(%rsp),%edx
  lea    0x4(%rsp),%r12
  lea    0x17(%rsp),%rbp
  mov    %r12,%rsi
  mov    %rbp,%rdi
  and    $0xf0000,%eax
  add    %rdx,%rax
  mov    $0x2,%edx
  mov    %rax,0x0(%r13)
  call   <sscanhex@plt>
  test   %rax,%rax
  jne    L135
  mov    0x4(%rsp),%eax
  cmp    $0x2,%eax
  je     L34
  xor    %r8d,%r8d
  cmp    $0x1,%eax
  je     L90
  test   %eax,%eax
  jne    L135
  mov    0x8(%rsp),%eax
  test   %eax,%eax
  je     L90
  sub    $0x1,%eax
  lea    0x1(%rbx,%rax,1),%r13
  jmp    L113
L47:
  mov    0x4(%rsp),%eax
  add    $0x1,%rbx
  mov    %al,-0x1(%rbx)
  cmp    %rbx,%r13
  je     L160
L113:
  add    $0x2,%rbp
  mov    $0x2,%edx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <sscanhex@plt>
  test   %rax,%rax
  je     L47
L135:
  mov    $0xfffffffe,%r8d
L90:
  mov    0x228(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L92
  add    $0x230,%rsp
  mov    %r8d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   (%rax)
L160:
  mov    0x8(%rsp),%r8d
  jmp    L90
  nop
L34:
  lea    0x19(%rsp),%rdi
  mov    $0x4,%edx
  mov    %r14,%rsi
  call   <sscanhex@plt>
  test   %rax,%rax
  jne    L135
  mov    0xc(%rsp),%eax
  xor    %r8d,%r8d
  shl    $0x4,%rax
  mov    %rax,0x0(%r13)
  jmp    L90
L49:
  mov    $0xffffffff,%r8d
  jmp    L90
L92:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int readhex(FILE *fp, unsigned long *addr, unsigned char *data) {
  char hexline[524];
  char *hp = hexline;
  unsigned int byte;
  int i;
  unsigned int num;
  unsigned int low_addr;
  if (fgets(hexline, 524, fp) == NULL) {
    return -1;
  }
  if (*hp++ != ':') {
    return -2;
  }
  if (sscanhex(hp, &num, 2)) {
    return -2;
  }
  hp += 2;
  if (sscanhex(hp, &low_addr, 4)) {
    return -2;
  }
  *addr &= 0xF0000L;
  *addr += low_addr;
  hp += 4;
  if (sscanhex(hp, &byte, 2)) {
    return -2;
  }
  if (byte == 2) {
    hp += 2;
    if (sscanhex(hp, &low_addr, 4)) {
      return -2;
    }
    *addr = low_addr * 16L;
    return 0;
  }
  if (byte == 1) {
    return 0;
  }
  if (byte != 0) {
    return -2;
  }
  for (i = num; i--;) {
    hp += 2;
    if (sscanhex(hp, &byte, 2)) {
      return -2;
    }
    *data++ = byte;
  }
  return num;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<memchr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %rdx,-0x28(%rbp)
  cmpq   $0x0,-0x28(%rbp)
  je     L6
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
L39:
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  movzbl (%rax),%eax
  movzbl %al,%eax
  cmp    %eax,-0x1c(%rbp)
  jne    L22
  mov    -0x8(%rbp),%rax
  sub    $0x1,%rax
  jmp    L10
L22:
  subq   $0x1,-0x28(%rbp)
  cmpq   $0x0,-0x28(%rbp)
  jne    L39
L6:
  mov    $0x0,%eax
L10:
  pop    %rbp
  ret
```

assistant: ```c
void *memchr(const void *s, int c, size_t n) {
  if (n != 0) {
    const unsigned char *p = s;
    do {
      if (*p++ == c)
        return ((void *)(p - 1));
    } while (--n != 0);
  }
  return (NULL);
}
```
user: Translate the below assembly code into C programming language:

```asm
<memchr>:
  endbr64
  mov    $0x0,%ecx
  test   %rdx,%rdx
  je     L7
  add    %rdi,%rdx
L27:
  mov    %rdi,%rcx
  add    $0x1,%rdi
  movzbl -0x1(%rdi),%eax
  cmp    %esi,%eax
  je     L7
  cmp    %rdx,%rdi
  jne    L27
  mov    $0x0,%ecx
L7:
  mov    %rcx,%rax
  ret
```

assistant: ```c
void *memchr(const void *s, int c, size_t n) {
  if (n != 0) {
    const unsigned char *p = s;
    do {
      if (*p++ == c)
        return ((void *)(p - 1));
    } while (--n != 0);
  }
  return (NULL);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<memchr>:
  endbr64
  xor    %eax,%eax
  test   %rdx,%rdx
  je     L35
  add    %rdi,%rdx
  jmp    L32
L39:
  cmp    %rdi,%rdx
  je     L26
L32:
  mov    %rdi,%rax
  lea    0x1(%rdi),%rdi
  movzbl (%rax),%ecx
  cmp    %esi,%ecx
  jne    L39
L35:
  ret
  nopl   0x0(%rax)
L26:
  xor    %eax,%eax
  ret
```

assistant: ```c
void *memchr(const void *s, int c, size_t n) {
  if (n != 0) {
    const unsigned char *p = s;
    do {
      if (*p++ == c)
        return ((void *)(p - 1));
    } while (--n != 0);
  }
  return (NULL);
}
```
user: Translate the below assembly code into C programming language:

```asm
<memchr>:
  endbr64
  xor    %eax,%eax
  test   %rdx,%rdx
  je     L8
  add    %rdi,%rdx
  jmp    L23
L9:
  cmp    %rdi,%rdx
  je     L27
L23:
  mov    %rdi,%rax
  lea    0x1(%rdi),%rdi
  movzbl (%rax),%ecx
  cmp    %esi,%ecx
  jne    L9
L8:
  ret
  nopl   0x0(%rax)
L27:
  xor    %eax,%eax
  ret
```

assistant: ```c
void *memchr(const void *s, int c, size_t n) {
  if (n != 0) {
    const unsigned char *p = s;
    do {
      if (*p++ == c)
        return ((void *)(p - 1));
    } while (--n != 0);
  }
  return (NULL);
}
```
user: Translate the below assembly code into C programming language:

```asm
<read_output>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  jmp    L28
L1:
  mov    -0x18(%rbp),%rcx
  mov    -0x20(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    $0x1,%esi
  mov    %rax,%rdi
  call   <fread@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  je     L16
  mov    -0x8(%rbp),%rax
  sub    %rax,-0x10(%rbp)
L28:
  cmpq   $0x0,-0x10(%rbp)
  jne    L1
  jmp    L0
L16:
  nop
L0:
  nop
  leave
  ret
```

assistant: ```c
void read_output(FILE *fd, size_t count, char *buffer) {
  size_t left = count;
  while (left != 0) {
    ssize_t r = fread(buffer, sizeof(char), count, fd);
    if (r == 0)
      break;
    else
      left -= r;
  }
}
```