ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<zv_to_E>:
  endbr64
  push   %rbx
  sub    $0x10,%rsp
  mov    %edi,%ebx
  mulsd  D33(%rip),%xmm0
  subsd  D9(%rip),%xmm0
  call   <exp@plt>
  pxor   %xmm2,%xmm2
  cvtsi2sd %ebx,%xmm2
  movsd  %xmm2,0x8(%rsp)
  comisd D15(%rip),%xmm0
  ja     L2
L15:
  mulsd  0x8(%rsp),%xmm0
  add    $0x10,%rsp
  pop    %rbx
  ret
L2:
  xorpd  D25(%rip),%xmm0
  call   <exp@plt>
  movapd %xmm0,%xmm1
  movsd  D19(%rip),%xmm0
  subsd  %xmm1,%xmm0
  jmp    L15
```

tool_calls: name: extract_symbolic_data
arguments: label: D33
data_type: byte[8]
name: extract_symbolic_data
arguments: label: D9
data_type: byte[8]
name: extract_symbolic_data
arguments: label: D15
data_type: byte[16]
name: extract_symbolic_data
arguments: label: D25
data_type: byte[16]
name: extract_symbolic_data
arguments: label: D19
data_type: f64

tool: {"D33": [0xcd,0xe8,0xb4,0x5f,0x58,0x85,0xf4,0xbf]}

tool: {"D9": [0x40,0x4b,0x57,0xb0,0x8d,0x78,0xe2,0x3f]}

tool: {"D15": [0x7b,0x14,0xae,0x47,0xe1,0x7a,0x84,0x3f,0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0x3f]}

tool: {"D25": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00]}

tool: D19: 1

assistant: ```c
double zv_to_E(double zv, int db_size) {
  double e;
  e = exp(-1.282554983 * zv - .577216);
  return (double)db_size * (e > .01 ? 1.0 - exp(-e) : e);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<zv_to_E>:
  endbr64
  push   %rbx
  mov    %edi,%ebx
  sub    $0x10,%rsp
  mulsd  D20(%rip),%xmm0
  subsd  D3(%rip),%xmm0
  call   <exp@plt>
  comisd D42(%rip),%xmm0
  pxor   %xmm1,%xmm1
  cvtsi2sd %ebx,%xmm1
  ja     L5
  mulsd  %xmm1,%xmm0
  add    $0x10,%rsp
  pop    %rbx
  ret
  nopl   0x0(%rax)
L5:
  xorpd  D47(%rip),%xmm0
  movsd  %xmm1,0x8(%rsp)
  call   <exp@plt>
  movsd  0x8(%rsp),%xmm1
  movapd %xmm0,%xmm2
  movsd  D28(%rip),%xmm0
  add    $0x10,%rsp
  pop    %rbx
  subsd  %xmm2,%xmm0
  mulsd  %xmm1,%xmm0
  ret
```

tool_calls: name: unpack_data
arguments: tag: D20
type_guessed: byte[8]
name: unpack_data
arguments: tag: D3
type_guessed: byte[8]
name: unpack_data
arguments: tag: D42
type_guessed: byte[16]
name: unpack_data
arguments: tag: D47
type_guessed: byte[16]
name: unpack_data
arguments: tag: D28
type_guessed: f64

tool: {"D20": [0xcd,0xe8,0xb4,0x5f,0x58,0x85,0xf4,0xbf]}

tool: {"D3": [0x40,0x4b,0x57,0xb0,0x8d,0x78,0xe2,0x3f]}

tool: {"D42": [0x7b,0x14,0xae,0x47,0xe1,0x7a,0x84,0x3f,0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0x3f]}

tool: {"D47": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00]}

tool: D28: 1

assistant: ```c
double zv_to_E(double zv, int db_size) {
  double e;
  e = exp(-1.282554983 * zv - .577216);
  return (double)db_size * (e > .01 ? 1.0 - exp(-e) : e);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<zv_to_E>:
  endbr64
  push   %rbx
  mov    %edi,%ebx
  sub    $0x10,%rsp
  mulsd  D8(%rip),%xmm0
  subsd  D17(%rip),%xmm0
  call   <exp@plt>
  comisd D16(%rip),%xmm0
  pxor   %xmm1,%xmm1
  cvtsi2sd %ebx,%xmm1
  ja     L9
  mulsd  %xmm1,%xmm0
  add    $0x10,%rsp
  pop    %rbx
  ret
  nopl   0x0(%rax)
L9:
  xorpd  D28(%rip),%xmm0
  movsd  %xmm1,0x8(%rsp)
  call   <exp@plt>
  movsd  0x8(%rsp),%xmm1
  movapd %xmm0,%xmm2
  movsd  D26(%rip),%xmm0
  add    $0x10,%rsp
  pop    %rbx
  subsd  %xmm2,%xmm0
  mulsd  %xmm1,%xmm0
  ret
```

tool_calls: name: read_data
arguments: label: D8
type: byte[8]
name: read_data
arguments: label: D17
type: byte[8]
name: read_data
arguments: label: D16
type: byte[16]
name: read_data
arguments: label: D28
type: byte[16]
name: read_data
arguments: label: D26
type: f64

tool: {"D8": [0xcd,0xe8,0xb4,0x5f,0x58,0x85,0xf4,0xbf]}

tool: {"D17": [0x40,0x4b,0x57,0xb0,0x8d,0x78,0xe2,0x3f]}

tool: {"D16": [0x7b,0x14,0xae,0x47,0xe1,0x7a,0x84,0x3f,0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0x3f]}

tool: {"D28": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00]}

tool: D26: 1

assistant: ```c
double zv_to_E(double zv, int db_size) {
  double e;
  e = exp(-1.282554983 * zv - .577216);
  return (double)db_size * (e > .01 ? 1.0 - exp(-e) : e);
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<usage>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    $0x18,%esi
  lea    D5(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  nop
  pop    %rbp
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D5
type_infered: string

tool: D5: USAGE:
  klogconsole [-l console_loglevel ] [ -r console ]

  console_loglevel  0..7 (kernel may dissallow values <5)
  console           0..%i console to which printk() dups messages
                     (0 = current console)


assistant: ```c
void usage(void) {
  printf("USAGE:\n"
         "  klogconsole [-l console_loglevel ] [ -r console ]\n\n"
         "  console_loglevel  0..7 (kernel may dissallow values <5)\n"
         "  console           0..%i console to which printk() dups messages\n"
         "                     (0 = current console)\n",
         24);
  exit(1);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<usage>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x18,%esi
  lea    D7(%rip),%rdi
  call   <printf@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  add    $0x8,%rsp
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D7
type_infered: string

tool: D7: USAGE:
  klogconsole [-l console_loglevel ] [ -r console ]

  console_loglevel  0..7 (kernel may dissallow values <5)
  console           0..%i console to which printk() dups messages
                     (0 = current console)


assistant: ```c
void usage(void) {
  printf("USAGE:\n"
         "  klogconsole [-l console_loglevel ] [ -r console ]\n\n"
         "  console_loglevel  0..7 (kernel may dissallow values <5)\n"
         "  console           0..%i console to which printk() dups messages\n"
         "                     (0 = current console)\n",
         24);
  exit(1);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<usage>:
  endbr64
  sub    $0x8,%rsp
  lea    D1(%rip),%rdi
  mov    $0x18,%esi
  call   <printf@plt>
  mov    $0x1,%edi
  add    $0x8,%rsp
  jmp    1070 <exit@plt>
```

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

tool: D1: USAGE:
  klogconsole [-l console_loglevel ] [ -r console ]

  console_loglevel  0..7 (kernel may dissallow values <5)
  console           0..%i console to which printk() dups messages
                     (0 = current console)


assistant: ```c
void usage(void) {
  printf("USAGE:\n"
         "  klogconsole [-l console_loglevel ] [ -r console ]\n\n"
         "  console_loglevel  0..7 (kernel may dissallow values <5)\n"
         "  console           0..%i console to which printk() dups messages\n"
         "                     (0 = current console)\n",
         24);
  exit(1);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<usage>:
  endbr64
  sub    $0x8,%rsp
  lea    D4(%rip),%rdi
  mov    $0x18,%esi
  call   <printf@plt>
  mov    $0x1,%edi
  add    $0x8,%rsp
  jmp    1070 <exit@plt>
```

tool_calls: name: parse_data
arguments: label: D4
type_infered: string

tool: D4: USAGE:
  klogconsole [-l console_loglevel ] [ -r console ]

  console_loglevel  0..7 (kernel may dissallow values <5)
  console           0..%i console to which printk() dups messages
                     (0 = current console)


assistant: ```c
void usage(void) {
  printf("USAGE:\n"
         "  klogconsole [-l console_loglevel ] [ -r console ]\n\n"
         "  console_loglevel  0..7 (kernel may dissallow values <5)\n"
         "  console           0..%i console to which printk() dups messages\n"
         "                     (0 = current console)\n",
         24);
  exit(1);
}
```
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
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x20(%rbp),%rdx
  mov    -0x14(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <eli_init@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <eli_run@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <eli_term@plt>
  mov    $0x0,%eax
  leave
  ret
```

assistant: ```c
int main(int argc, const char *argv[]) {
  struct Eli *eli = eli_init(argc, argv);
  eli_run(eli);
  eli_term(eli);
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<main>:
  endbr64
  push   %rbx
  call   <eli_init@plt>
  mov    %rax,%rbx
  mov    %rax,%rdi
  call   <eli_run@plt>
  mov    %rbx,%rdi
  call   <eli_term@plt>
  mov    $0x0,%eax
  pop    %rbx
  ret
```

assistant: ```c
int main(int argc, const char *argv[]) {
  struct Eli *eli = eli_init(argc, argv);
  eli_run(eli);
  eli_term(eli);
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %rbp
  call   <eli_init@plt>
  mov    %rax,%rbp
  mov    %rax,%rdi
  call   <eli_run@plt>
  mov    %rbp,%rdi
  call   <eli_term@plt>
  xor    %eax,%eax
  pop    %rbp
  ret
```

assistant: ```c
int main(int argc, const char *argv[]) {
  struct Eli *eli = eli_init(argc, argv);
  eli_run(eli);
  eli_term(eli);
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %rbp
  call   <eli_init@plt>
  mov    %rax,%rbp
  mov    %rax,%rdi
  call   <eli_run@plt>
  mov    %rbp,%rdi
  call   <eli_term@plt>
  xor    %eax,%eax
  pop    %rbp
  ret
```

assistant: ```c
int main(int argc, const char *argv[]) {
  struct Eli *eli = eli_init(argc, argv);
  eli_run(eli);
  eli_term(eli);
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<getNumbers>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L15
L28:
  mov    -0x4(%rbp),%eax
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,%rsi
  lea    D4(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  cmp    $0x1,%eax
  jne    L22
  mov    $0x0,%eax
  call   <getchar@plt>
  addl   $0x1,-0x4(%rbp)
L15:
  cmpl   $0x9,-0x4(%rbp)
  jbe    L28
  mov    $0x1,%eax
  jmp    L30
L22:
  nop
  mov    $0x0,%eax
L30:
  leave
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D4
type_infered: string

tool: D4: %d

assistant: ```c
int getNumbers(int *nums) {
  unsigned i = 0;
  for (; i < 10; ++i) {
    if (scanf("%d", nums + i) == 1) {
      getchar();
    } else {
      goto end;
    }
  }
  return 1;
end:
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<getNumbers>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  lea    0x28(%rdi),%r13
  lea    D6(%rip),%r12
L18:
  mov    %rbx,%rsi
  mov    %r12,%rdi
  call   <scanf@plt>
  mov    %eax,%ebp
  cmp    $0x1,%eax
  jne    L27
  mov    $0x0,%eax
  call   <getchar@plt>
  add    $0x4,%rbx
  cmp    %r13,%rbx
  jne    L18
L3:
  mov    %ebp,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L27:
  mov    $0x0,%ebp
  jmp    L3
```

tool_calls: name: disassemble_data
arguments: tag: D6
datatype: string

tool: D6: %d

assistant: ```c
int getNumbers(int *nums) {
  unsigned i = 0;
  for (; i < 10; ++i) {
    if (scanf("%d", nums + i) == 1) {
      getchar();
    } else {
      goto end;
    }
  }
  return 1;
end:
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<getNumbers>:
  endbr64
  push   %r13
  lea    0x28(%rdi),%r13
  push   %r12
  push   %rbp
  lea    D8(%rip),%rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x8,%rsp
  nopl   0x0(%rax)
L6:
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  call   <scanf@plt>
  mov    %eax,%r12d
  cmp    $0x1,%eax
  jne    L7
  xor    %eax,%eax
  add    $0x4,%rbx
  call   <getchar@plt>
  cmp    %r13,%rbx
  jne    L6
  add    $0x8,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L7:
  add    $0x8,%rsp
  xor    %r12d,%r12d
  pop    %rbx
  mov    %r12d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

tool_calls: name: read_data
arguments: label: D8
datatype: string

tool: D8: %d

assistant: ```c
int getNumbers(int *nums) {
  unsigned i = 0;
  for (; i < 10; ++i) {
    if (scanf("%d", nums + i) == 1) {
      getchar();
    } else {
      goto end;
    }
  }
  return 1;
end:
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<getNumbers>:
  endbr64
  push   %r13
  lea    0x28(%rdi),%r13
  push   %r12
  push   %rbp
  lea    D5(%rip),%rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x8,%rsp
  nopl   0x0(%rax)
L1:
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  call   <scanf@plt>
  mov    %eax,%r12d
  cmp    $0x1,%eax
  jne    L17
  xor    %eax,%eax
  add    $0x4,%rbx
  call   <getchar@plt>
  cmp    %r13,%rbx
  jne    L1
  add    $0x8,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L17:
  add    $0x8,%rsp
  xor    %r12d,%r12d
  pop    %rbx
  mov    %r12d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

tool_calls: name: read_data
arguments: data_label: D5
data_type: string

tool: D5: %d

assistant: ```c
int getNumbers(int *nums) {
  unsigned i = 0;
  for (; i < 10; ++i) {
    if (scanf("%d", nums + i) == 1) {
      getchar();
    } else {
      goto end;
    }
  }
  return 1;
end:
  return 0;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<packCharacters>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %ecx,%eax
  mov    %edi,%ecx
  mov    %cl,-0x14(%rbp)
  mov    %esi,%ecx
  mov    %cl,-0x18(%rbp)
  mov    %dl,-0x1c(%rbp)
  mov    %al,-0x20(%rbp)
  movsbl -0x14(%rbp),%eax
  mov    %eax,-0x4(%rbp)
  shll   $0x8,-0x4(%rbp)
  movsbl -0x18(%rbp),%eax
  or     %eax,-0x4(%rbp)
  shll   $0x8,-0x4(%rbp)
  movsbl -0x1c(%rbp),%eax
  or     %eax,-0x4(%rbp)
  shll   $0x8,-0x4(%rbp)
  movsbl -0x20(%rbp),%eax
  or     %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
unsigned packCharacters(char a, char b, char c, char d) {
  unsigned result = a;
  result <<= 8;
  result |= b;
  result <<= 8;
  result |= c;
  result <<= 8;
  return result |= d;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<packCharacters>:
  endbr64
  movsbl %dil,%edi
  shl    $0x8,%edi
  movsbl %sil,%esi
  or     %edi,%esi
  shl    $0x8,%esi
  movsbl %dl,%edx
  or     %esi,%edx
  shl    $0x8,%edx
  movsbl %cl,%eax
  or     %edx,%eax
  ret
```

assistant: ```c
unsigned packCharacters(char a, char b, char c, char d) {
  unsigned result = a;
  result <<= 8;
  result |= b;
  result <<= 8;
  result |= c;
  result <<= 8;
  return result |= d;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<packCharacters>:
  endbr64
  movsbl %dil,%edi
  movsbl %sil,%esi
  movsbl %dl,%edx
  movsbl %cl,%eax
  shl    $0x8,%edi
  or     %edi,%esi
  shl    $0x8,%esi
  or     %esi,%edx
  shl    $0x8,%edx
  or     %edx,%eax
  ret
```

assistant: ```c
unsigned packCharacters(char a, char b, char c, char d) {
  unsigned result = a;
  result <<= 8;
  result |= b;
  result <<= 8;
  result |= c;
  result <<= 8;
  return result |= d;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<packCharacters>:
  endbr64
  movsbl %dil,%edi
  movsbl %sil,%esi
  movsbl %dl,%edx
  movsbl %cl,%eax
  shl    $0x8,%edi
  or     %edi,%esi
  shl    $0x8,%esi
  or     %esi,%edx
  shl    $0x8,%edx
  or     %edx,%eax
  ret
```

assistant: ```c
unsigned packCharacters(char a, char b, char c, char d) {
  unsigned result = a;
  result <<= 8;
  result |= b;
  result <<= 8;
  result |= c;
  result <<= 8;
  return result |= d;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<main>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdi
  call   <pipe@plt>
  test   %rax,%rax
  js     L19
  xor    %eax,%eax
  call   <fork@plt>
  test   %rax,%rax
  js     L89
  jne    L45
  mov    0x8(%rsp),%edi
  lea    0xc(%rsp),%rbx
  lea    D51(%rip),%rbp
  lea    D2(%rip),%r12
  call   <close@plt>
  mov    0x4(%rsp),%edi
  mov    $0xc8,%edx
  mov    %rbx,%rsi
  call   <read@plt>
  mov    %rbp,%rdi
  mov    %rbx,%rdx
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  mov    0x4(%rsp),%edi
  mov    $0xc8,%edx
  mov    %rbx,%rsi
  call   <read@plt>
  mov    %rbp,%rdi
  mov    %rbx,%rdx
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D61(%rip),%rsi
  lea    D40(%rip),%rdi
  call   <popen@plt>
  mov    %rax,%rbp
  jmp    L79
  nopl   0x0(%rax)
L12:
  mov    %rbx,%rsi
  mov    %r12,%rdi
  xor    %eax,%eax
  call   <printf@plt>
L79:
  mov    %rbp,%rdx
  mov    $0xc8,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  jne    L12
L59:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L31
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L45:
  mov    0x4(%rsp),%edi
  call   <close@plt>
  mov    $0x1,%edi
  call   <sleep@plt>
  mov    0x8(%rsp),%edi
  mov    $0xc,%edx
  lea    D4(%rip),%rsi
  call   <write@plt>
  lea    D69(%rip),%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  xor    %eax,%eax
  jmp    L59
L19:
  lea    D76(%rip),%rdi
  call   <perror@plt>
  mov    $0x1,%eax
  jmp    L59
L89:
  lea    D39(%rip),%rdi
  call   <perror@plt>
  mov    $0x1,%eax
  jmp    L59
L31:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: tag: D51
datatype: string
name: unpack_data
arguments: tag: D2
datatype: string
name: unpack_data
arguments: tag: D61
datatype: string
name: unpack_data
arguments: tag: D40
datatype: string
name: unpack_data
arguments: tag: D4
datatype: string
name: unpack_data
arguments: tag: D69
datatype: string
name: unpack_data
arguments: tag: D76
datatype: string
name: unpack_data
arguments: tag: D39
datatype: string

tool: D51: read return %d, %s.


tool: D2: fgets: %s


tool: D61: r

tool: D40: echo "hello sonico!"

tool: D4: hello sonico!

tool: D69: write return %d.


tool: D76: failed pipe.

tool: D39: failed fork.

assistant: ```c
int main() {
  int fd[2];
  if (pipe(fd) < 0) {
    perror("failed pipe.");
    return 1;
  }
  pid_t pid = fork();
  if (pid < 0) {
    perror("failed fork.");
    return 1;
  } else if (pid > 0) {
    close(fd[0]);
    sleep(1);
    int write_ret = write(fd[1], "hello sonico!", 12);
    printf("write return %d.\n", write_ret);
  } else {
    close(fd[1]);
    char line[12];
    int n = read(fd[0], line, 200);
    printf("read return %d, %s.\n", n, line);
    n = read(fd[0], line, 200);
    printf("read return %d, %s.\n", n, line);
    FILE *fpin = popen("echo \"hello sonico!\"", "r");
    while (fgets(line, 200, fpin) != NULL) {
      printf("fgets: %s\n", line);
    }
  }
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<udp_open>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x50,%rsp
  mov    %edi,-0x34(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %rdx,-0x48(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    D36(%rip),%rax
  mov    (%rax),%ecx
  mov    D40(%rip),%rax
  mov    (%rax),%eax
  mov    $0x0,%edx
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <socket@plt>
  mov    %eax,-0x28(%rbp)
  cmpl   $0xffffffff,-0x28(%rbp)
  jne    L17
  mov    $0xffffffff,%eax
  jmp    L19
L17:
  cmpq   $0x0,-0x40(%rbp)
  je     L58
  mov    D35(%rip),%rax
  mov    (%rax),%rdx
  mov    -0x48(%rbp),%rax
  mov    %rdx,0x10(%rax)
  mov    -0x34(%rbp),%eax
  mov    %eax,%edi
  call   <htons@plt>
  mov    -0x48(%rbp),%rdx
  mov    %rax,0x8(%rdx)
  mov    -0x40(%rbp),%rax
  mov    %rax,%rdi
  call   <inet_addr@plt>
  mov    -0x48(%rbp),%rdx
  mov    %eax,(%rdx)
  movl   $0x0,-0x34(%rbp)
L58:
  mov    D35(%rip),%rax
  mov    (%rax),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x34(%rbp),%eax
  mov    %eax,%edi
  call   <htons@plt>
  mov    %rax,-0x18(%rbp)
  mov    D13(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,%edi
  call   <htonl@plt>
  mov    %eax,-0x20(%rbp)
  lea    -0x20(%rbp),%rcx
  mov    -0x28(%rbp),%eax
  mov    $0x18,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <bind@plt>
  mov    %eax,-0x24(%rbp)
  cmpl   $0x0,-0x24(%rbp)
  je     L55
  mov    -0x28(%rbp),%eax
  mov    %eax,%edi
  call   <close@plt>
  mov    $0xfffffffe,%eax
  jmp    L19
L55:
  mov    -0x28(%rbp),%eax
L19:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L35
  call   <__stack_chk_fail@plt>
L35:
  leave
  ret
```

assistant: ```c
int udp_open(int port, char *addr, struct sockaddr_in *taddr2) {
  int rt;
  int fd;
  struct sockaddr_in taddr;
  fd = socket(PF_INET, SOCK_DGRAM, 0);
  if (fd == -1) {
    return -1;
  }
  if (addr) {
    taddr2->sin_family = AF_INET;
    taddr2->sin_port = htons(port);
    taddr2->sin_addr.s_addr = inet_addr(addr);
    port = 0;
  }
  taddr.sin_family = AF_INET;
  taddr.sin_port = htons(port);
  taddr.sin_addr.s_addr = htonl(INADDR_ANY);
  rt = bind(fd, (struct sockaddr *)&taddr, sizeof(taddr));
  if (rt) {
    close(fd);
    return -2;
  }
  return fd;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<udp_open>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %edi,%ebp
  mov    %rsi,%r13
  mov    %rdx,%r12
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    $0x0,%edx
  mov    D4(%rip),%rax
  mov    (%rax),%esi
  mov    D34(%rip),%rax
  mov    (%rax),%edi
  call   <socket@plt>
  mov    %eax,%ebx
  cmp    $0xffffffff,%eax
  je     L18
  test   %r13,%r13
  je     L19
  mov    D37(%rip),%rax
  mov    (%rax),%rax
  mov    %rax,0x10(%r12)
  mov    %ebp,%edi
  call   <htons@plt>
  mov    %rax,0x8(%r12)
  mov    %r13,%rdi
  call   <inet_addr@plt>
  mov    %eax,(%r12)
  mov    $0x0,%ebp
L19:
  mov    D37(%rip),%rax
  mov    (%rax),%rax
  mov    %rax,0x10(%rsp)
  mov    %ebp,%edi
  call   <htons@plt>
  mov    %rax,0x8(%rsp)
  mov    D48(%rip),%rax
  mov    (%rax),%edi
  call   <htonl@plt>
  mov    %eax,(%rsp)
  mov    %rsp,%rsi
  mov    $0x18,%edx
  mov    %ebx,%edi
  call   <bind@plt>
  test   %eax,%eax
  jne    L4
L18:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L36
  mov    %ebx,%eax
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L4:
  mov    %ebx,%edi
  call   <close@plt>
  mov    $0xfffffffe,%ebx
  jmp    L18
L36:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int udp_open(int port, char *addr, struct sockaddr_in *taddr2) {
  int rt;
  int fd;
  struct sockaddr_in taddr;
  fd = socket(PF_INET, SOCK_DGRAM, 0);
  if (fd == -1) {
    return -1;
  }
  if (addr) {
    taddr2->sin_family = AF_INET;
    taddr2->sin_port = htons(port);
    taddr2->sin_addr.s_addr = inet_addr(addr);
    port = 0;
  }
  taddr.sin_family = AF_INET;
  taddr.sin_port = htons(port);
  taddr.sin_addr.s_addr = htonl(INADDR_ANY);
  rt = bind(fd, (struct sockaddr *)&taddr, sizeof(taddr));
  if (rt) {
    close(fd);
    return -2;
  }
  return fd;
}
```