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

```asm
<help_required>:
  endbr64
  push   %rbp
  lea    D37(%rip),%rsi
  mov    %rdi,%rbp
  call   <strings_equal@plt>
  test   %rax,%rax
  je     L11
L29:
  mov    $0x1,%eax
  pop    %rbp
  ret
L11:
  lea    D77(%rip),%rsi
  mov    %rbp,%rdi
  call   <strings_equal@plt>
  test   %rax,%rax
  jne    L29
  lea    D96(%rip),%rsi
  mov    %rbp,%rdi
  call   <strings_equal@plt>
  test   %rax,%rax
  jne    L29
  lea    D34(%rip),%rsi
  mov    %rbp,%rdi
  call   <strings_equal@plt>
  test   %rax,%rax
  jne    L29
  lea    D97(%rip),%rsi
  mov    %rbp,%rdi
  call   <strings_equal@plt>
  test   %rax,%rax
  jne    L29
  lea    D50(%rip),%rsi
  mov    %rbp,%rdi
  call   <strings_equal@plt>
  test   %rax,%rax
  jne    L29
  lea    D94(%rip),%rsi
  mov    %rbp,%rdi
  call   <strings_equal@plt>
  test   %rax,%rax
  jne    L29
  lea    D39(%rip),%rsi
  mov    %rbp,%rdi
  call   <strings_equal@plt>
  test   %rax,%rax
  jne    L29
  lea    D24(%rip),%rsi
  mov    %rbp,%rdi
  call   <strings_equal@plt>
  test   %rax,%rax
  jne    L29
  mov    %rbp,%rdi
  lea    D17(%rip),%rsi
  call   <strings_equal@plt>
  pop    %rbp
  test   %rax,%rax
  setne  %al
  movzbl %al,%eax
  ret
```

tool_calls: name: read_data
arguments: label: D37
type_infered: string
name: read_data
arguments: label: D77
type_infered: string
name: read_data
arguments: label: D96
type_infered: string
name: read_data
arguments: label: D34
type_infered: string
name: read_data
arguments: label: D97
type_infered: string
name: read_data
arguments: label: D50
type_infered: string
name: read_data
arguments: label: D94
type_infered: string
name: read_data
arguments: label: D39
type_infered: string
name: read_data
arguments: label: D24
type_infered: string
name: read_data
arguments: label: D17
type_infered: string

tool: D37: help

tool: D77: HELP

tool: D96: -help

tool: D34: -HELP

tool: D97: --help

tool: D50: --HELP

tool: D94: -h

tool: D39: -H

tool: D24: --h

tool: D17: --H

assistant: ```c
int help_required(char *string) {
  if (strings_equal(string, "help"))
    return (1);
  if (strings_equal(string, "HELP"))
    return (1);
  if (strings_equal(string, "-help"))
    return (1);
  if (strings_equal(string, "-HELP"))
    return (1);
  if (strings_equal(string, "--help"))
    return (1);
  if (strings_equal(string, "--HELP"))
    return (1);
  if (strings_equal(string, "-h"))
    return (1);
  if (strings_equal(string, "-H"))
    return (1);
  if (strings_equal(string, "--h"))
    return (1);
  if (strings_equal(string, "--H"))
    return (1);
  return (0);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<foo>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  movsd  %xmm0,-0x30(%rbp)
  movsd  %xmm1,-0x38(%rbp)
  mov    %ecx,-0x3c(%rbp)
  movl   $0x1,-0x4(%rbp)
  jmp    L7
L4:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm1
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  addsd  %xmm0,%xmm1
  mov    -0x4(%rbp),%eax
  cltq
  shl    $0x3,%rax
  lea    -0x8(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  addsd  %xmm0,%xmm1
  mov    -0x4(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  addsd  %xmm1,%xmm0
  movapd %xmm0,%xmm1
  mulsd  -0x30(%rbp),%xmm1
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mulsd  -0x38(%rbp),%xmm0
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  addsd  %xmm1,%xmm0
  movsd  %xmm0,(%rax)
  addl   $0x1,-0x4(%rbp)
L7:
  mov    -0x3c(%rbp),%eax
  sub    $0x1,%eax
  cmp    %eax,-0x4(%rbp)
  jl     L4
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
__attribute__((no, noclone)) void foo(double *a, double *b, double *c, double d, double e, int n) {
  int i;
  for (i = 1; i < n - 1; i++)
    a[i] = d * (b[i] + c[i] + a[i - 1] + a[i + 1]) + e * a[i];
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<foo>:
  endbr64
  cmp    $0x2,%ecx
  jle    L17
  lea    -0x3(%rcx),%ecx
  add    $0x2,%rcx
  mov    $0x1,%eax
L16:
  movsd  (%rsi,%rax,8),%xmm2
  addsd  (%rdx,%rax,8),%xmm2
  addsd  -0x8(%rdi,%rax,8),%xmm2
  addsd  0x8(%rdi,%rax,8),%xmm2
  mulsd  %xmm0,%xmm2
  movapd %xmm1,%xmm3
  mulsd  (%rdi,%rax,8),%xmm3
  addsd  %xmm3,%xmm2
  movsd  %xmm2,(%rdi,%rax,8)
  add    $0x1,%rax
  cmp    %rcx,%rax
  jne    L16
L17:
  ret
```

assistant: ```c
__attribute__((no, noclone)) void foo(double *a, double *b, double *c, double d, double e, int n) {
  int i;
  for (i = 1; i < n - 1; i++)
    a[i] = d * (b[i] + c[i] + a[i - 1] + a[i + 1]) + e * a[i];
}
```
user: What is the c source code of the assembly code below:

```asm
<foo>:
  endbr64
  cmp    $0x2,%ecx
  jle    L5
  sub    $0x3,%ecx
  mov    $0x1,%eax
  add    $0x2,%rcx
  nopl   (%rax)
L16:
  movsd  (%rsi,%rax,8),%xmm2
  addsd  (%rdx,%rax,8),%xmm2
  addsd  -0x8(%rdi,%rax,8),%xmm2
  addsd  0x8(%rdi,%rax,8),%xmm2
  movsd  (%rdi,%rax,8),%xmm3
  mulsd  %xmm0,%xmm2
  mulsd  %xmm1,%xmm3
  addsd  %xmm3,%xmm2
  movsd  %xmm2,(%rdi,%rax,8)
  add    $0x1,%rax
  cmp    %rax,%rcx
  jne    L16
L5:
  ret
```

assistant: ```c
__attribute__((no, noclone)) void foo(double *a, double *b, double *c, double d, double e, int n) {
  int i;
  for (i = 1; i < n - 1; i++)
    a[i] = d * (b[i] + c[i] + a[i - 1] + a[i + 1]) + e * a[i];
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<foo>:
  endbr64
  lea    -0x1(%rcx),%r8d
  movapd %xmm0,%xmm3
  cmp    $0x1,%r8d
  jle    L41
  cmp    $0x4,%ecx
  jle    L31
  sub    $0x5,%ecx
  movsd  0x8(%rdi),%xmm5
  movsd  (%rdi),%xmm0
  shr    %ecx
  lea    0x5(%rcx,%rcx,1),%r9
  mov    $0x3,%ecx
L34:
  movsd  -0x10(%rsi,%rcx,8),%xmm4
  addsd  -0x10(%rdx,%rcx,8),%xmm4
  mulsd  %xmm1,%xmm5
  movslq %ecx,%rax
  movsd  -0x8(%rdi,%rcx,8),%xmm6
  addsd  %xmm0,%xmm4
  addsd  %xmm6,%xmm4
  mulsd  %xmm1,%xmm6
  mulsd  %xmm3,%xmm4
  addsd  %xmm5,%xmm4
  movsd  (%rdi,%rcx,8),%xmm5
  movsd  %xmm4,-0x10(%rdi,%rcx,8)
  movsd  -0x8(%rsi,%rcx,8),%xmm2
  addsd  -0x8(%rdx,%rcx,8),%xmm2
  movapd %xmm2,%xmm0
  addsd  %xmm4,%xmm0
  addsd  %xmm5,%xmm0
  mulsd  %xmm3,%xmm0
  addsd  %xmm6,%xmm0
  movsd  %xmm0,-0x8(%rdi,%rcx,8)
  add    $0x2,%rcx
  cmp    %r9,%rcx
  jne    L34
  xchg   %ax,%ax
L45:
  movsd  (%rdx,%rax,8),%xmm0
  addsd  (%rsi,%rax,8),%xmm0
  addsd  -0x8(%rdi,%rax,8),%xmm0
  addsd  0x8(%rdi,%rax,8),%xmm0
  movsd  (%rdi,%rax,8),%xmm2
  mulsd  %xmm3,%xmm0
  mulsd  %xmm1,%xmm2
  addsd  %xmm2,%xmm0
  movsd  %xmm0,(%rdi,%rax,8)
  add    $0x1,%rax
  cmp    %eax,%r8d
  jg     L45
L41:
  ret
L31:
  mov    $0x1,%eax
  jmp    L45
```

assistant: ```c
__attribute__((no, noclone)) void foo(double *a, double *b, double *c, double d, double e, int n) {
  int i;
  for (i = 1; i < n - 1; i++)
    a[i] = d * (b[i] + c[i] + a[i - 1] + a[i + 1]) + e * a[i];
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<getAddrFromParam>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  sub    $0x1,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  mov    %eax,-0xc(%rbp)
  jmp    L49
L3:
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0xc(%rbp),%eax
  cltq
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x3a,%al
  jne    L86
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0xc(%rbp),%eax
  cltq
  sub    $0x1,%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x5d,%al
  jne    L51
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rax
  movzbl (%rax),%eax
  cmp    $0x5b,%al
  je     L65
  mov    $0x0,%eax
  jmp    L82
L65:
  mov    -0xc(%rbp),%eax
  mov    %eax,-0x8(%rbp)
  jmp    L56
L35:
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0x8(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0x8(%rbp),%eax
  cltq
  add    %rax,%rdx
  movzbl (%rcx),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0x8(%rbp)
L56:
  mov    -0x8(%rbp),%eax
  cmp    -0x4(%rbp),%eax
  jl     L35
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0x4(%rbp),%eax
  cltq
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0xc(%rbp),%eax
  cltq
  sub    $0x1,%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rax
  lea    0x1(%rax),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,(%rax)
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0xc(%rbp),%eax
  cltq
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    %rax,%rdi
  call   <checkPortValidity@plt>
  jmp    L82
L51:
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0xc(%rbp),%eax
  cltq
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0xc(%rbp),%eax
  cltq
  add    $0x1,%rax
  add    %rdx,%rax
  mov    %rax,%rdi
  call   <checkPortValidity@plt>
  jmp    L82
L86:
  subl   $0x1,-0xc(%rbp)
L49:
  cmpl   $0x0,-0xc(%rbp)
  jg     L3
  mov    $0x0,%eax
L82:
  leave
  ret
```

assistant: ```c
int getAddrFromParam(char **adresa) {
  int len = (strlen(*adresa) - 1);
  for (int i = len; i > 0; i--) {
    if ((*adresa)[i] == ':') {
      if ((*adresa)[i - 1] == ']') {
        if ((*adresa)[0] != '[')
          return 0;
        for (int a = i; a < len; a++)
          (*adresa)[a] = (*adresa)[a + 1];
        (*adresa)[len] = 0;
        (*adresa)[i - 1] = 0;
        (*adresa)++;
        return checkPortValidity((*adresa) + i - 1);
      } else {
        (*adresa)[i] = 0;
        return checkPortValidity((*adresa) + i + 1);
      }
    }
  }
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<getAddrFromParam>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  mov    (%rdi),%rdi
  call   <strlen@plt>
  lea    -0x1(%rax),%r8d
  test   %r8d,%r8d
  jle    L50
  mov    (%rbx),%rcx
  movslq %r8d,%r9
  mov    %r9,%rdx
L82:
  lea    (%rcx,%rdx,1),%rdi
  cmpb   $0x3a,(%rcx,%rdx,1)
  je     L53
  sub    $0x1,%rdx
  test   %edx,%edx
  jg     L82
  mov    $0x0,%edi
L28:
  mov    %edi,%eax
  pop    %rbx
  ret
L53:
  lea    -0x1(%rdx),%r10
  cmpb   $0x5d,-0x1(%rcx,%rdx,1)
  jne    L25
  mov    $0x0,%edi
  cmpb   $0x5b,(%rcx)
  jne    L28
  cmp    %edx,%r8d
  jle    L20
  movslq %edx,%rsi
  lea    0x1(%rsi),%rcx
  sub    $0x2,%eax
  sub    %edx,%eax
  lea    0x2(%rsi,%rax,1),%rdi
L36:
  mov    (%rbx),%rax
  movzbl (%rax,%rcx,1),%esi
  mov    %sil,-0x1(%rax,%rcx,1)
  add    $0x1,%rcx
  cmp    %rdi,%rcx
  jne    L36
L20:
  mov    (%rbx),%rax
  movb   $0x0,(%rax,%r9,1)
  mov    (%rbx),%rax
  movb   $0x0,(%rax,%r10,1)
  mov    (%rbx),%rax
  lea    0x1(%rax),%rcx
  mov    %rcx,(%rbx)
  lea    (%rax,%rdx,1),%rdi
  call   <checkPortValidity@plt>
  mov    %eax,%edi
  jmp    L28
L25:
  movb   $0x0,(%rdi)
  mov    (%rbx),%rax
  lea    0x1(%rax,%rdx,1),%rdi
  call   <checkPortValidity@plt>
  mov    %eax,%edi
  jmp    L28
L50:
  mov    $0x0,%edi
  jmp    L28
```

assistant: ```c
int getAddrFromParam(char **adresa) {
  int len = (strlen(*adresa) - 1);
  for (int i = len; i > 0; i--) {
    if ((*adresa)[i] == ':') {
      if ((*adresa)[i - 1] == ']') {
        if ((*adresa)[0] != '[')
          return 0;
        for (int a = i; a < len; a++)
          (*adresa)[a] = (*adresa)[a + 1];
        (*adresa)[len] = 0;
        (*adresa)[i - 1] = 0;
        (*adresa)++;
        return checkPortValidity((*adresa) + i - 1);
      } else {
        (*adresa)[i] = 0;
        return checkPortValidity((*adresa) + i + 1);
      }
    }
  }
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<getAddrFromParam>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  mov    (%rdi),%rdi
  call   <strlen@plt>
  lea    -0x1(%rax),%r8d
  test   %r8d,%r8d
  jle    L31
  movslq %r8d,%r9
  mov    (%rbx),%rcx
  mov    %r9,%rdx
  jmp    L73
  nopl   0x0(%rax)
L33:
  sub    $0x1,%rdx
  je     L31
L73:
  cmpb   $0x3a,(%rcx,%rdx,1)
  lea    (%rcx,%rdx,1),%rdi
  jne    L33
  cmpb   $0x5d,-0x1(%rcx,%rdx,1)
  lea    -0x1(%rdx),%r10
  jne    L41
  cmpb   $0x5b,(%rcx)
  je     L0
L31:
  xor    %eax,%eax
  pop    %rbx
  ret
  nopl   0x0(%rax)
L0:
  cmp    %r8d,%edx
  jge    L6
  sub    $0x2,%eax
  movslq %edx,%r8
  sub    %edx,%eax
  lea    0x1(%r8),%rdi
  lea    0x2(%r8,%rax,1),%rsi
  cs nopw 0x0(%rax,%rax,1)
L59:
  movzbl (%rcx,%rdi,1),%eax
  mov    %al,-0x1(%rcx,%rdi,1)
  add    $0x1,%rdi
  mov    (%rbx),%rcx
  cmp    %rdi,%rsi
  jne    L59
L6:
  movb   $0x0,(%rcx,%r9,1)
  mov    (%rbx),%rax
  movb   $0x0,(%rax,%r10,1)
  mov    (%rbx),%rax
  lea    0x1(%rax),%rcx
  lea    (%rax,%rdx,1),%rdi
  mov    %rcx,(%rbx)
  pop    %rbx
  jmp    1070 <checkPortValidity@plt>
  nopl   (%rax)
L41:
  movb   $0x0,(%rdi)
  mov    (%rbx),%rax
  pop    %rbx
  lea    0x1(%rax,%rdx,1),%rdi
  jmp    1070 <checkPortValidity@plt>
```

assistant: ```c
int getAddrFromParam(char **adresa) {
  int len = (strlen(*adresa) - 1);
  for (int i = len; i > 0; i--) {
    if ((*adresa)[i] == ':') {
      if ((*adresa)[i - 1] == ']') {
        if ((*adresa)[0] != '[')
          return 0;
        for (int a = i; a < len; a++)
          (*adresa)[a] = (*adresa)[a + 1];
        (*adresa)[len] = 0;
        (*adresa)[i - 1] = 0;
        (*adresa)++;
        return checkPortValidity((*adresa) + i - 1);
      } else {
        (*adresa)[i] = 0;
        return checkPortValidity((*adresa) + i + 1);
      }
    }
  }
  return 0;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<getAddrFromParam>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  mov    (%rdi),%rdi
  call   <strlen@plt>
  lea    -0x1(%rax),%r8d
  test   %r8d,%r8d
  jle    L65
  movslq %r8d,%r9
  mov    (%rbx),%rcx
  mov    %r9,%rdx
  jmp    L38
  nopl   0x0(%rax)
L16:
  sub    $0x1,%rdx
  je     L65
L38:
  cmpb   $0x3a,(%rcx,%rdx,1)
  lea    (%rcx,%rdx,1),%rdi
  jne    L16
  cmpb   $0x5d,-0x1(%rcx,%rdx,1)
  lea    -0x1(%rdx),%r10
  jne    L18
  cmpb   $0x5b,(%rcx)
  je     L49
L65:
  xor    %eax,%eax
  pop    %rbx
  ret
  nopl   0x0(%rax)
L49:
  cmp    %r8d,%edx
  jge    L7
  movslq %edx,%rdi
  movzbl 0x1(%rcx,%rdi,1),%r11d
  mov    %r11b,(%rcx,%rdi,1)
  lea    0x1(%rdx),%ecx
  cmp    %r8d,%ecx
  jge    L68
  sub    $0x3,%eax
  lea    0x2(%rdi),%rcx
  sub    %edx,%eax
  lea    0x3(%rdi,%rax,1),%rdi
  nopl   0x0(%rax,%rax,1)
L62:
  mov    (%rbx),%rax
  movzbl (%rax,%rcx,1),%esi
  mov    %sil,-0x1(%rax,%rcx,1)
  add    $0x1,%rcx
  cmp    %rdi,%rcx
  jne    L62
L68:
  mov    (%rbx),%rcx
L7:
  movb   $0x0,(%rcx,%r9,1)
  mov    (%rbx),%rax
  movb   $0x0,(%rax,%r10,1)
  mov    (%rbx),%rax
  lea    0x1(%rax),%rcx
  lea    (%rax,%rdx,1),%rdi
  mov    %rcx,(%rbx)
  pop    %rbx
  jmp    1070 <checkPortValidity@plt>
  nopl   0x0(%rax)
L18:
  movb   $0x0,(%rdi)
  mov    (%rbx),%rax
  pop    %rbx
  lea    0x1(%rax,%rdx,1),%rdi
  jmp    1070 <checkPortValidity@plt>
```

assistant: ```c
int getAddrFromParam(char **adresa) {
  int len = (strlen(*adresa) - 1);
  for (int i = len; i > 0; i--) {
    if ((*adresa)[i] == ':') {
      if ((*adresa)[i - 1] == ']') {
        if ((*adresa)[0] != '[')
          return 0;
        for (int a = i; a < len; a++)
          (*adresa)[a] = (*adresa)[a + 1];
        (*adresa)[len] = 0;
        (*adresa)[i - 1] = 0;
        (*adresa)++;
        return checkPortValidity((*adresa) + i - 1);
      } else {
        (*adresa)[i] = 0;
        return checkPortValidity((*adresa) + i + 1);
      }
    }
  }
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<place_tile>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  add    $0xffffffffffffff80,%rsp
  mov    %rdi,-0x78(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0x60(%rbp)
  mov    $0x0,%edi
  call   <time@plt>
  mov    %eax,%edi
  call   <srandom@plt>
  movl   $0x0,-0x64(%rbp)
  jmp    L60
L28:
  mov    -0x64(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x78(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  test   %eax,%eax
  jne    L21
  mov    -0x60(%rbp),%eax
  cltq
  mov    -0x64(%rbp),%edx
  mov    %edx,-0x50(%rbp,%rax,4)
  addl   $0x1,-0x60(%rbp)
L21:
  addl   $0x1,-0x64(%rbp)
L60:
  cmpl   $0xf,-0x64(%rbp)
  jle    L28
  cmpl   $0x0,-0x60(%rbp)
  jle    L58
  mov    $0x0,%eax
  call   <random@plt>
  mov    %eax,%ecx
  movslq %ecx,%rax
  imul   $0x66666667,%rax,%rax
  shr    $0x20,%rax
  sar    $0x2,%eax
  mov    %ecx,%esi
  sar    $0x1f,%esi
  sub    %esi,%eax
  mov    %eax,%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %edx,%eax
  add    %eax,%eax
  sub    %eax,%ecx
  mov    %ecx,%edx
  test   %edx,%edx
  je     L40
  mov    $0x2,%eax
  jmp    L14
L40:
  mov    $0x4,%eax
L14:
  mov    %eax,-0x5c(%rbp)
  mov    $0x0,%eax
  call   <random@plt>
  cltd
  idivl  -0x60(%rbp)
  mov    %edx,-0x58(%rbp)
  mov    -0x58(%rbp),%eax
  cltq
  mov    -0x50(%rbp,%rax,4),%eax
  mov    %eax,-0x54(%rbp)
  mov    -0x54(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x78(%rbp),%rax
  add    %rax,%rdx
  mov    -0x5c(%rbp),%eax
  mov    %eax,(%rdx)
L58:
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L30
  call   <__stack_chk_fail@plt>
L30:
  leave
  ret
```

assistant: ```c
void place_tile(int tile[16]) {
  int i;
  int empty_loc;
  int tile_loc;
  int tile_num;
  int empty_tile[16];
  int empty_num = 0;
  srandom(time(NULL));
  for (i = 0; i < 16; i++)
    if (0 == tile[i]) {
      empty_tile[empty_num] = i;
      ++empty_num;
    }
  if (empty_num > 0) {
    tile_num = random() % 10 ? 2 : 4;
    empty_loc = random() % (empty_num);
    tile_loc = empty_tile[empty_loc];
    tile[tile_loc] = tile_num;
  }
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<place_tile>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x50,%rsp
  mov    %rdi,%rbp
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  xor    %eax,%eax
  mov    $0x0,%edi
  call   <time@plt>
  mov    %eax,%edi
  call   <srandom@plt>
  mov    $0x0,%eax
  mov    $0x0,%ebx
  jmp    L56
L68:
  add    $0x1,%rax
  cmp    $0x10,%rax
  je     L3
L56:
  cmpl   $0x0,0x0(%rbp,%rax,4)
  jne    L68
  movslq %ebx,%rdx
  mov    %eax,(%rsp,%rdx,4)
  add    $0x1,%ebx
  jmp    L68
L3:
  test   %ebx,%ebx
  jg     L66
L27:
  mov    0x48(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L43
  add    $0x50,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L66:
  mov    $0x0,%eax
  call   <random@plt>
  movslq %eax,%rdx
  imul   $0x66666667,%rdx,%rdx
  sar    $0x22,%rdx
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  lea    (%rdx,%rdx,4),%edx
  add    %edx,%edx
  sub    %edx,%eax
  cmp    $0x1,%eax
  sbb    %r12d,%r12d
  and    $0x2,%r12d
  add    $0x2,%r12d
  mov    $0x0,%eax
  call   <random@plt>
  cltd
  idiv   %ebx
  movslq %edx,%rdx
  movslq (%rsp,%rdx,4),%rax
  mov    %r12d,0x0(%rbp,%rax,4)
  jmp    L27
L43:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void place_tile(int tile[16]) {
  int i;
  int empty_loc;
  int tile_loc;
  int tile_num;
  int empty_tile[16];
  int empty_num = 0;
  srandom(time(NULL));
  for (i = 0; i < 16; i++)
    if (0 == tile[i]) {
      empty_tile[empty_num] = i;
      ++empty_num;
    }
  if (empty_num > 0) {
    tile_num = random() % 10 ? 2 : 4;
    empty_loc = random() % (empty_num);
    tile_loc = empty_tile[empty_loc];
    tile[tile_loc] = tile_num;
  }
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<place_tile>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  xor    %edi,%edi
  push   %rbx
  xor    %ebx,%ebx
  sub    $0x50,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  xor    %eax,%eax
  call   <time@plt>
  mov    %eax,%edi
  call   <srandom@plt>
  xor    %eax,%eax
  nopl   0x0(%rax)
L3:
  mov    0x0(%rbp,%rax,4),%edx
  test   %edx,%edx
  jne    L24
  movslq %ebx,%rdx
  add    $0x1,%ebx
  mov    %eax,(%rsp,%rdx,4)
L24:
  add    $0x1,%rax
  cmp    $0x10,%rax
  jne    L3
  test   %ebx,%ebx
  je     L15
  xor    %eax,%eax
  call   <random@plt>
  imul   $0xcccccccd,%eax,%eax
  add    $0x19999998,%eax
  ror    %eax
  cmp    $0x19999999,%eax
  sbb    %r12d,%r12d
  xor    %eax,%eax
  call   <random@plt>
  and    $0x2,%r12d
  cltd
  add    $0x2,%r12d
  idiv   %ebx
  movslq %edx,%rdx
  movslq (%rsp,%rdx,4),%rax
  mov    %r12d,0x0(%rbp,%rax,4)
L15:
  mov    0x48(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L14
  add    $0x50,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L14:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void place_tile(int tile[16]) {
  int i;
  int empty_loc;
  int tile_loc;
  int tile_num;
  int empty_tile[16];
  int empty_num = 0;
  srandom(time(NULL));
  for (i = 0; i < 16; i++)
    if (0 == tile[i]) {
      empty_tile[empty_num] = i;
      ++empty_num;
    }
  if (empty_num > 0) {
    tile_num = random() % 10 ? 2 : 4;
    empty_loc = random() % (empty_num);
    tile_loc = empty_tile[empty_loc];
    tile[tile_loc] = tile_num;
  }
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<ichecksum>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x850,%rsp
  mov    %rdi,-0x848(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x810(%rbp),%rax
  mov    %rax,-0x818(%rbp)
  movl   $0x800,-0x828(%rbp)
  movl   $0x0,-0x834(%rbp)
  movl   $0x0,-0x82c(%rbp)
  mov    -0x828(%rbp),%edx
  mov    -0x818(%rbp),%rax
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <memset@plt>
  jmp    L2
L49:
  mov    -0x824(%rbp),%eax
  add    %eax,-0x834(%rbp)
  lea    -0x810(%rbp),%rax
  mov    %rax,-0x820(%rbp)
  movl   $0x0,-0x830(%rbp)
  jmp    L47
L45:
  mov    -0x820(%rbp),%rax
  mov    (%rax),%eax
  xor    %eax,-0x82c(%rbp)
  addq   $0x4,-0x820(%rbp)
  addl   $0x1,-0x830(%rbp)
L47:
  mov    -0x830(%rbp),%eax
  cmp    $0x1ff,%eax
  jbe    L45
  mov    -0x828(%rbp),%edx
  mov    -0x818(%rbp),%rax
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <memset@plt>
L2:
  mov    -0x828(%rbp),%ecx
  mov    -0x834(%rbp),%edx
  mov    -0x818(%rbp),%rsi
  mov    -0x848(%rbp),%rax
  mov    %rax,%rdi
  call   <readi@plt>
  mov    %eax,-0x824(%rbp)
  cmpl   $0x0,-0x824(%rbp)
  jg     L49
  mov    -0x82c(%rbp),%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L13
  call   <__stack_chk_fail@plt>
L13:
  leave
  ret
```

assistant: ```c
uint ichecksum(struct dinode *din) {
  unsigned int buf[512];
  char *cbuf = (char *)buf;
  uint n = sizeof(buf);
  uint off = 0;
  uint r, i;
  unsigned int checksum = 0;
  memset((void *)cbuf, 0, n);
  unsigned int *bp;
  while ((r = readi(din, cbuf, off, n)) > 0) {
    off += r;
    bp = (unsigned int *)buf;
    for (i = 0; i < sizeof(buf) / sizeof(uint); i++) {
      checksum ^= *bp;
      bp++;
    }
    memset((void *)cbuf, 0, n);
  }
  return checksum;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<ichecksum>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x818,%rsp
  mov    %rdi,%r13
  mov    %fs:0x28,%rax
  mov    %rax,0x808(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  mov    $0x800,%edx
  mov    $0x0,%esi
  call   <memset@plt>
  mov    $0x0,%ebx
  mov    $0x0,%ebp
  mov    %rsp,%r12
  jmp    L11
L46:
  mov    $0x800,%edx
  mov    $0x0,%esi
  mov    %r12,%rdi
  call   <memset@plt>
L11:
  mov    $0x800,%ecx
  mov    %ebp,%edx
  mov    %r12,%rsi
  mov    %r13,%rdi
  call   <readi@plt>
  test   %eax,%eax
  jle    L21
  add    %eax,%ebp
  mov    %rsp,%rax
  lea    0x800(%rsp),%rdx
L47:
  xor    (%rax),%ebx
  add    $0x4,%rax
  cmp    %rdx,%rax
  jne    L47
  jmp    L46
L21:
  mov    0x808(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L49
  mov    %ebx,%eax
  add    $0x818,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L49:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
uint ichecksum(struct dinode *din) {
  unsigned int buf[512];
  char *cbuf = (char *)buf;
  uint n = sizeof(buf);
  uint off = 0;
  uint r, i;
  unsigned int checksum = 0;
  memset((void *)cbuf, 0, n);
  unsigned int *bp;
  while ((r = readi(din, cbuf, off, n)) > 0) {
    off += r;
    bp = (unsigned int *)buf;
    for (i = 0; i < sizeof(buf) / sizeof(uint); i++) {
      checksum ^= *bp;
      bp++;
    }
    memset((void *)cbuf, 0, n);
  }
  return checksum;
}
```