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

```asm
<is_piece_hitting>:
  endbr64
  push   %r15
  mov    %rsi,%rax
  push   %r14
  push   %r13
  movslq %edx,%r13
  mov    %ecx,%edx
  push   %r12
  lea    0x6(%r13),%r12d
  lea    0x4(%r13),%r11d
  mov    %r13,%rsi
  push   %rbp
  movslq %r12d,%rcx
  lea    0x5(%r13),%ebp
  lea    0x3(%r13),%r10d
  push   %rbx
  lea    0x1(%r13),%r8d
  lea    0x2(%r13),%r9d
  lea    0x31(%rax),%rbx
  movslq %r9d,%r15
  movslq %r8d,%r14
  mov    %rcx,-0x8(%rsp)
  movslq %ebp,%rcx
  mov    %rcx,-0x10(%rsp)
  movslq %r11d,%rcx
  mov    %rcx,-0x20(%rsp)
  movslq %r10d,%rcx
  mov    %rcx,-0x28(%rsp)
  mov    %r12d,-0x14(%rsp)
L109:
  movslq %edx,%rcx
  lea    (%rcx,%rcx,4),%rcx
  lea    (%rdi,%rcx,2),%rcx
  cmp    $0x13,%edx
  ja     L24
  cmpb   $0x0,(%rax)
  je     L243
  cmp    $0x9,%esi
  ja     L223
  cmpb   $0x0,(%rcx,%r13,1)
  jne    L223
L243:
  cmpb   $0x0,0x1(%rax)
  je     L172
  cmp    $0x9,%r8d
  ja     L223
  cmpb   $0x0,(%rcx,%r14,1)
  jne    L223
L172:
  cmpb   $0x0,0x2(%rax)
  je     L102
  cmp    $0x9,%r9d
  ja     L223
  cmpb   $0x0,(%rcx,%r15,1)
  jne    L223
L102:
  cmpb   $0x0,0x3(%rax)
  je     L202
  cmp    $0x9,%r10d
  ja     L223
  mov    -0x28(%rsp),%r12
  cmpb   $0x0,(%rcx,%r12,1)
  jne    L223
L202:
  cmpb   $0x0,0x4(%rax)
  je     L163
  cmp    $0x9,%r11d
  ja     L223
  mov    -0x20(%rsp),%r12
  cmpb   $0x0,(%rcx,%r12,1)
  jne    L223
L163:
  cmpb   $0x0,0x5(%rax)
  je     L205
  cmp    $0x9,%ebp
  ja     L223
  mov    -0x10(%rsp),%r12
  cmpb   $0x0,(%rcx,%r12,1)
  jne    L223
L205:
  cmpb   $0x0,0x6(%rax)
  je     L208
  cmpl   $0x9,-0x14(%rsp)
  ja     L223
  mov    -0x8(%rsp),%r12
  cmpb   $0x0,(%rcx,%r12,1)
  jne    L223
L208:
  add    $0x7,%rax
  add    $0x1,%edx
  cmp    %rbx,%rax
  jne    L109
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L24:
  cmpb   $0x0,(%rax)
  jne    L223
  cmpb   $0x0,0x1(%rax)
  jne    L223
  cmpb   $0x0,0x2(%rax)
  jne    L223
  cmpb   $0x0,0x3(%rax)
  jne    L223
  cmpb   $0x0,0x4(%rax)
  je     L89
L223:
  pop    %rbx
  mov    $0x1,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L89:
  cmpb   $0x0,0x5(%rax)
  jne    L223
  cmpb   $0x0,0x6(%rax)
  jne    L223
  jmp    L208
```

assistant: ```c
int is_piece_hitting(char board[20][10], char piece[7][7], int x, int y) {
  for (int py = 0; py < 7; py++) {
    for (int px = 0; px < 7; px++) {
      if (piece[py][px] && (px + x >= 10 || px + x < 0 || py + y >= 20 || py + y < 0 || board[py + y][px + x])) {
        return 1;
      }
    }
  }
  return 0;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<estimate_rice_f_param>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  mov    %edx,-0x1c(%rbp)
  cmpl   $0x0,-0x1c(%rbp)
  jne    L51
  lea    D9(%rip),%rax
  mov    %rax,%rdi
  call   <dub_die@plt>
L51:
  mov    -0x14(%rbp),%eax
  cltd
  idivl  -0x1c(%rbp)
  mov    %eax,-0x14(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L26
L28:
  addl   $0x1,-0x4(%rbp)
L26:
  mov    -0x4(%rbp),%eax
  mov    $0x1,%edx
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  cmp    %eax,-0x14(%rbp)
  jge    L28
  mov    -0x4(%rbp),%eax
  mov    -0x18(%rbp),%edx
  mov    %eax,%ecx
  sar    %cl,%edx
  mov    %edx,%eax
  cmp    $0x1e,%eax
  jle    L24
  jmp    L42
L11:
  addl   $0x1,-0x4(%rbp)
L42:
  mov    -0x4(%rbp),%eax
  mov    -0x18(%rbp),%edx
  mov    %eax,%ecx
  sar    %cl,%edx
  mov    %edx,%eax
  cmp    $0x1e,%eax
  jg     L11
L24:
  mov    -0x4(%rbp),%eax
  leave
  ret
```

tool_calls: name: read_data
arguments: data_label: D9
datatype: string

tool: D9: Estimate_rice_f with an empty list

assistant: ```c
uint estimate_rice_f_param(uint sum, uint max, uint len) {
  uint f;
  if (!len)
    dub_die("Estimate_rice_f with an empty list");
  sum /= len;
  for (f = 0; (1 << f) <= sum + 0; f++)
    ;
  if ((max >> f) >= 31)
    for (; (max >> f) >= 31; f++)
      ;
  return f;
}
```
user: Translate the below assembly code into C programming language:

```asm
<estimate_rice_f_param>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edi,%ebx
  mov    %esi,%ebp
  mov    %edx,%r12d
  test   %edx,%edx
  je     L49
L42:
  mov    %ebx,%eax
  cltd
  idiv   %r12d
  test   %eax,%eax
  jle    L21
  mov    $0x0,%ecx
  mov    $0x1,%esi
L6:
  add    $0x1,%ecx
  mov    %esi,%edx
  shl    %cl,%edx
  cmp    %eax,%edx
  jle    L6
L14:
  mov    %ebp,%eax
  sar    %cl,%eax
  cmp    $0x1e,%eax
  jle    L12
L64:
  add    $0x1,%ecx
  mov    %ebp,%eax
  sar    %cl,%eax
  cmp    $0x1e,%eax
  jg     L64
L12:
  mov    %ecx,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L49:
  lea    D4(%rip),%rdi
  call   <dub_die@plt>
  jmp    L42
L21:
  mov    $0x0,%ecx
  jmp    L14
```

tool_calls: name: retrieve_data
arguments: data_label: D4
type: string

tool: D4: Estimate_rice_f with an empty list

assistant: ```c
uint estimate_rice_f_param(uint sum, uint max, uint len) {
  uint f;
  if (!len)
    dub_die("Estimate_rice_f with an empty list");
  sum /= len;
  for (f = 0; (1 << f) <= sum + 0; f++)
    ;
  if ((max >> f) >= 31)
    for (; (max >> f) >= 31; f++)
      ;
  return f;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<estimate_rice_f_param>:
  endbr64
  push   %r12
  mov    %edx,%r12d
  push   %rbp
  mov    %esi,%ebp
  push   %rbx
  mov    %edi,%ebx
  test   %edx,%edx
  je     L48
  mov    %ebx,%eax
  cltd
  idiv   %r12d
  test   %eax,%eax
  jle    L9
L12:
  xor    %ecx,%ecx
  mov    $0x1,%esi
  nopl   0x0(%rax)
L1:
  add    $0x1,%ecx
  mov    %esi,%edx
  shl    %cl,%edx
  cmp    %eax,%edx
  jle    L1
  jmp    L40
  nopl   (%rax)
L24:
  add    $0x1,%ecx
L40:
  mov    %ebp,%eax
  sar    %cl,%eax
L6:
  cmp    $0x1e,%eax
  jg     L24
  pop    %rbx
  mov    %ecx,%eax
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax,%rax,1)
L48:
  lea    D1(%rip),%rdi
  call   <dub_die@plt>
  mov    %ebx,%eax
  cltd
  idiv   %r12d
  test   %eax,%eax
  jg     L12
L9:
  mov    %ebp,%eax
  xor    %ecx,%ecx
  jmp    L6
```

tool_calls: name: unpack_data
arguments: data_tag: D1
datatype: string

tool: D1: Estimate_rice_f with an empty list

assistant: ```c
uint estimate_rice_f_param(uint sum, uint max, uint len) {
  uint f;
  if (!len)
    dub_die("Estimate_rice_f with an empty list");
  sum /= len;
  for (f = 0; (1 << f) <= sum + 0; f++)
    ;
  if ((max >> f) >= 31)
    for (; (max >> f) >= 31; f++)
      ;
  return f;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<estimate_rice_f_param>:
  endbr64
  push   %r12
  mov    %edx,%r12d
  push   %rbp
  mov    %esi,%ebp
  push   %rbx
  mov    %edi,%ebx
  test   %edx,%edx
  je     L65
  mov    %ebx,%eax
  cltd
  idiv   %r12d
  test   %eax,%eax
  jle    L31
L49:
  xor    %ecx,%ecx
  mov    $0x1,%esi
  nopl   0x0(%rax)
L46:
  add    $0x1,%ecx
  mov    %esi,%edx
  shl    %cl,%edx
  cmp    %eax,%edx
  jle    L46
  jmp    L55
  nopl   (%rax)
L0:
  add    $0x1,%ecx
L55:
  mov    %ebp,%eax
  sar    %cl,%eax
L6:
  cmp    $0x1e,%eax
  jg     L0
  pop    %rbx
  mov    %ecx,%eax
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax,%rax,1)
L65:
  lea    D0(%rip),%rdi
  call   <dub_die@plt>
  mov    %ebx,%eax
  cltd
  idiv   %r12d
  test   %eax,%eax
  jg     L49
L31:
  mov    %ebp,%eax
  xor    %ecx,%ecx
  jmp    L6
```

tool_calls: name: retrieve_data
arguments: data_tag: D0
type_infered: string

tool: D0: Estimate_rice_f with an empty list

assistant: ```c
uint estimate_rice_f_param(uint sum, uint max, uint len) {
  uint f;
  if (!len)
    dub_die("Estimate_rice_f with an empty list");
  sum /= len;
  for (f = 0; (1 << f) <= sum + 0; f++)
    ;
  if ((max >> f) >= 31)
    for (; (max >> f) >= 31; f++)
      ;
  return f;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<decode_bch>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0xa0,%rsp
  mov    %edi,-0x84(%rbp)
  mov    %rsi,-0x90(%rbp)
  mov    %rdx,-0x98(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movq   $0x0,-0x50(%rbp)
  movq   $0x0,-0x48(%rbp)
  movq   $0x0,-0x40(%rbp)
  movq   $0x0,-0x38(%rbp)
  movq   $0x0,-0x30(%rbp)
  movq   $0x0,-0x28(%rbp)
  movq   $0x0,-0x20(%rbp)
  movq   $0x0,-0x18(%rbp)
  movq   $0x0,-0x70(%rbp)
  movq   $0x0,-0x68(%rbp)
  movq   $0x0,-0x60(%rbp)
  movq   $0x0,-0x58(%rbp)
  lea    -0x50(%rbp),%rdx
  mov    -0x90(%rbp),%rcx
  mov    -0x84(%rbp),%eax
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <syndrome@plt>
  lea    -0x70(%rbp),%rdx
  lea    -0x50(%rbp),%rcx
  mov    -0x84(%rbp),%eax
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <berlekamp@plt>
  mov    %eax,-0x74(%rbp)
  mov    -0x84(%rbp),%eax
  mov    $0x4,%edx
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  cmp    %eax,-0x74(%rbp)
  jg     L1
  mov    -0x98(%rbp),%rcx
  lea    -0x70(%rbp),%rdx
  mov    -0x74(%rbp),%esi
  mov    -0x84(%rbp),%eax
  mov    %eax,%edi
  call   <chien@plt>
  mov    %eax,-0x74(%rbp)
L1:
  mov    -0x74(%rbp),%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L4
  call   <__stack_chk_fail@plt>
L4:
  leave
  ret
```

assistant: ```c
int decode_bch(int select_4_8, unsigned char *ecc, unsigned int *err_loc) {
  int no_of_err;
  unsigned int syn[16] = {
      0,
  };
  unsigned int err_poly[8] = {
      0,
  };
  syndrome(select_4_8, ecc, syn);
  no_of_err = berlekamp(select_4_8, syn, err_poly);
  if (no_of_err <= (4 << select_4_8))
    no_of_err = chien(select_4_8, no_of_err, err_poly, err_loc);
  return no_of_err;
}
```
user: What is the c source code of the assembly code below:

```asm
<decode_bch>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x70,%rsp
  mov    %edi,%ebx
  mov    %rdx,%rbp
  mov    %fs:0x28,%rax
  mov    %rax,0x68(%rsp)
  xor    %eax,%eax
  movq   $0x0,0x20(%rsp)
  movq   $0x0,0x28(%rsp)
  movq   $0x0,0x30(%rsp)
  movq   $0x0,0x38(%rsp)
  movq   $0x0,0x40(%rsp)
  movq   $0x0,0x48(%rsp)
  movq   $0x0,0x50(%rsp)
  movq   $0x0,0x58(%rsp)
  movq   $0x0,(%rsp)
  movq   $0x0,0x8(%rsp)
  movq   $0x0,0x10(%rsp)
  movq   $0x0,0x18(%rsp)
  lea    0x20(%rsp),%r12
  mov    %r12,%rdx
  call   <syndrome@plt>
  mov    %rsp,%rdx
  mov    %r12,%rsi
  mov    %ebx,%edi
  call   <berlekamp@plt>
  mov    $0x4,%edx
  mov    %ebx,%ecx
  shl    %cl,%edx
  cmp    %eax,%edx
  jge    L24
L1:
  mov    0x68(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L29
  add    $0x70,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L24:
  mov    %rsp,%rdx
  mov    %rbp,%rcx
  mov    %eax,%esi
  mov    %ebx,%edi
  call   <chien@plt>
  jmp    L1
L29:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int decode_bch(int select_4_8, unsigned char *ecc, unsigned int *err_loc) {
  int no_of_err;
  unsigned int syn[16] = {
      0,
  };
  unsigned int err_poly[8] = {
      0,
  };
  syndrome(select_4_8, ecc, syn);
  no_of_err = berlekamp(select_4_8, syn, err_poly);
  if (no_of_err <= (4 << select_4_8))
    no_of_err = chien(select_4_8, no_of_err, err_poly, err_loc);
  return no_of_err;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<decode_bch>:
  endbr64
  push   %r14
  pxor   %xmm0,%xmm0
  push   %r13
  mov    %rdx,%r13
  push   %r12
  mov    %edi,%r12d
  push   %rbp
  sub    $0x78,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x68(%rsp)
  xor    %eax,%eax
  lea    0x20(%rsp),%rbp
  mov    %rsp,%r14
  movaps %xmm0,0x20(%rsp)
  mov    %rbp,%rdx
  movaps %xmm0,0x30(%rsp)
  movaps %xmm0,0x40(%rsp)
  movaps %xmm0,0x50(%rsp)
  movaps %xmm0,(%rsp)
  movaps %xmm0,0x10(%rsp)
  call   <syndrome@plt>
  mov    %r14,%rdx
  mov    %rbp,%rsi
  mov    %r12d,%edi
  call   <berlekamp@plt>
  mov    $0x4,%edx
  mov    %r12d,%ecx
  shl    %cl,%edx
  cmp    %eax,%edx
  jge    L12
L4:
  mov    0x68(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L14
  add    $0x78,%rsp
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  xchg   %ax,%ax
L12:
  mov    %r13,%rcx
  mov    %r14,%rdx
  mov    %eax,%esi
  mov    %r12d,%edi
  call   <chien@plt>
  jmp    L4
L14:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int decode_bch(int select_4_8, unsigned char *ecc, unsigned int *err_loc) {
  int no_of_err;
  unsigned int syn[16] = {
      0,
  };
  unsigned int err_poly[8] = {
      0,
  };
  syndrome(select_4_8, ecc, syn);
  no_of_err = berlekamp(select_4_8, syn, err_poly);
  if (no_of_err <= (4 << select_4_8))
    no_of_err = chien(select_4_8, no_of_err, err_poly, err_loc);
  return no_of_err;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<decode_bch>:
  endbr64
  push   %r14
  pxor   %xmm0,%xmm0
  push   %r13
  mov    %rdx,%r13
  push   %r12
  mov    %edi,%r12d
  push   %rbp
  sub    $0x78,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x68(%rsp)
  xor    %eax,%eax
  lea    0x20(%rsp),%rbp
  mov    %rsp,%r14
  movaps %xmm0,0x20(%rsp)
  mov    %rbp,%rdx
  movaps %xmm0,0x30(%rsp)
  movaps %xmm0,0x40(%rsp)
  movaps %xmm0,0x50(%rsp)
  movaps %xmm0,(%rsp)
  movaps %xmm0,0x10(%rsp)
  call   <syndrome@plt>
  mov    %r14,%rdx
  mov    %rbp,%rsi
  mov    %r12d,%edi
  call   <berlekamp@plt>
  mov    $0x4,%edx
  mov    %r12d,%ecx
  shl    %cl,%edx
  cmp    %eax,%edx
  jge    L22
L1:
  mov    0x68(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L3
  add    $0x78,%rsp
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  xchg   %ax,%ax
L22:
  mov    %r13,%rcx
  mov    %r14,%rdx
  mov    %eax,%esi
  mov    %r12d,%edi
  call   <chien@plt>
  jmp    L1
L3:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int decode_bch(int select_4_8, unsigned char *ecc, unsigned int *err_loc) {
  int no_of_err;
  unsigned int syn[16] = {
      0,
  };
  unsigned int err_poly[8] = {
      0,
  };
  syndrome(select_4_8, ecc, syn);
  no_of_err = berlekamp(select_4_8, syn, err_poly);
  if (no_of_err <= (4 << select_4_8))
    no_of_err = chien(select_4_8, no_of_err, err_poly, err_loc);
  return no_of_err;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<get_expr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,-0x24(%rbp)
  movl   $0x986f70,-0x20(%rbp)
  cmpl   $0x986f6f,-0x24(%rbp)
  ja     L10
  mov    -0x24(%rbp),%eax
  mov    %eax,-0x20(%rbp)
L10:
  movq   $0x0,-0x18(%rbp)
  movl   $0x0,-0x1c(%rbp)
  cmpl   $0x1,-0x24(%rbp)
  ja     L57
  mov    $0x2,%edi
  call   <print_fatal_error@plt>
L57:
  mov    -0x20(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,%edi
  call   <malloc_or_die@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x24(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,%edi
  call   <malloc_or_die@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x10(%rbp),%rax
  movb   $0x0,(%rax)
  jmp    L75
L39:
  mov    -0x20(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    -0x10(%rbp),%rax
  mov    %rax,%rsi
  mov    $0x0,%edi
  call   <read@plt>
  mov    %eax,-0x1c(%rbp)
  cmpl   $0xffffffff,-0x1c(%rbp)
  jne    L47
  mov    $0x4,%edi
  call   <print_fatal_error@plt>
  jmp    L69
L47:
  cmpl   $0x0,-0x1c(%rbp)
  je     L20
L69:
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x1c(%rbp),%eax
  cltq
  add    %rax,-0x18(%rbp)
  mov    -0x10(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <my_strcat@plt>
L75:
  mov    -0x24(%rbp),%eax
  cmp    %rax,-0x18(%rbp)
  jb     L39
  jmp    L76
L20:
  nop
L76:
  mov    -0x24(%rbp),%edx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x8(%rbp),%rax
  leave
  ret
```

assistant: ```c
char *get_expr(unsigned int size) {
  char *expr;
  char *buffer;
  int ret;
  unsigned long c;
  int buff_s;
  buff_s = 9990000;
  if (size < 9990000)
    buff_s = size;
  c = 0;
  ret = 0;
  if (size <= 1)
    print_fatal_error(2);
  buffer = malloc_or_die(sizeof(char) * buff_s + 1);
  expr = malloc_or_die(sizeof(char) * size + 1);
  expr[0] = 0;
  buffer[0] = 0;
  while (c < size) {
    ret = read(0, buffer, buff_s - 1);
    if (ret == -1)
      print_fatal_error(4);
    else if (ret == 0)
      break;
    buffer[ret] = 0;
    c = c + ret;
    my_strcat(expr, buffer);
  }
  expr[size] = 0;
  free(buffer);
  return (expr);
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<get_expr>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edi,%r13d
  cmp    $0x986f6f,%edi
  ja     L56
  mov    %edi,%r15d
  cmp    $0x1,%edi
  ja     L52
  mov    $0x2,%edi
  call   <print_fatal_error@plt>
  mov    %r13d,%edi
  jmp    L52
L56:
  mov    $0x986f70,%r15d
  mov    $0x986f70,%edi
L52:
  add    $0x1,%edi
  call   <malloc_or_die@plt>
  mov    %rax,%rbp
  lea    0x1(%r13),%edi
  call   <malloc_or_die@plt>
  mov    %rax,%r14
  movb   $0x0,(%rax)
  movb   $0x0,0x0(%rbp)
  mov    %r13d,%r13d
  test   %r13,%r13
  je     L3
  mov    $0x0,%r12d
  sub    $0x1,%r15d
  jmp    L44
L36:
  mov    $0x4,%edi
  call   <print_fatal_error@plt>
L19:
  movslq %ebx,%rbx
  movb   $0x0,0x0(%rbp,%rbx,1)
  add    %rbx,%r12
  mov    %rbp,%rsi
  mov    %r14,%rdi
  call   <my_strcat@plt>
  cmp    %r13,%r12
  jae    L3
L44:
  mov    %r15d,%edx
  mov    %rbp,%rsi
  mov    $0x0,%edi
  call   <read@plt>
  mov    %eax,%ebx
  cmp    $0xffffffff,%eax
  je     L36
  test   %eax,%eax
  jne    L19
L3:
  movb   $0x0,(%r14,%r13,1)
  mov    %rbp,%rdi
  call   <free@plt>
  mov    %r14,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
char *get_expr(unsigned int size) {
  char *expr;
  char *buffer;
  int ret;
  unsigned long c;
  int buff_s;
  buff_s = 9990000;
  if (size < 9990000)
    buff_s = size;
  c = 0;
  ret = 0;
  if (size <= 1)
    print_fatal_error(2);
  buffer = malloc_or_die(sizeof(char) * buff_s + 1);
  expr = malloc_or_die(sizeof(char) * size + 1);
  expr[0] = 0;
  buffer[0] = 0;
  while (c < size) {
    ret = read(0, buffer, buff_s - 1);
    if (ret == -1)
      print_fatal_error(4);
    else if (ret == 0)
      break;
    buffer[ret] = 0;
    c = c + ret;
    my_strcat(expr, buffer);
  }
  expr[size] = 0;
  free(buffer);
  return (expr);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<get_expr>:
  endbr64
  push   %r15
  push   %r14
  mov    %edi,%r14d
  push   %r13
  push   %r12
  push   %rbp
  lea    0x1(%r14),%ebp
  push   %rbx
  sub    $0x8,%rsp
  cmp    $0x986f6f,%r14d
  ja     L21
  mov    %r14,%r12
  cmp    $0x1,%r14d
  ja     L51
  mov    $0x2,%edi
  call   <print_fatal_error@plt>
L51:
  mov    %ebp,%edi
  call   <malloc_or_die@plt>
  mov    %ebp,%edi
  mov    %rax,%r15
  call   <malloc_or_die@plt>
  movb   $0x0,(%rax)
  mov    %rax,%r13
  movb   $0x0,(%r15)
  test   %r14,%r14
  je     L90
  sub    $0x1,%r12d
L13:
  xor    %ebp,%ebp
  jmp    L87
  nopl   (%rax)
L65:
  test   %ebx,%ebx
  je     L4
L11:
  movb   $0x0,(%r15,%rbx,1)
  add    %rbx,%rbp
  mov    %r15,%rsi
  mov    %r13,%rdi
  call   <my_strcat@plt>
  cmp    %rbp,%r14
  jbe    L4
L87:
  mov    %r12d,%edx
  mov    %r15,%rsi
  xor    %edi,%edi
  call   <read@plt>
  movslq %eax,%rbx
  cmp    $0xffffffff,%ebx
  jne    L65
  mov    $0x4,%edi
  call   <print_fatal_error@plt>
  jmp    L11
  nopl   (%rax)
L21:
  mov    $0x986f71,%edi
  mov    $0x986f6f,%r12d
  call   <malloc_or_die@plt>
  mov    %ebp,%edi
  mov    %rax,%r15
  call   <malloc_or_die@plt>
  movb   $0x0,(%rax)
  mov    %rax,%r13
  movb   $0x0,(%r15)
  jmp    L13
  xchg   %ax,%ax
L4:
  add    %r13,%r14
L92:
  movb   $0x0,(%r14)
  mov    %r15,%rdi
  call   <free@plt>
  add    $0x8,%rsp
  mov    %r13,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L90:
  mov    %rax,%r14
  jmp    L92
```

assistant: ```c
char *get_expr(unsigned int size) {
  char *expr;
  char *buffer;
  int ret;
  unsigned long c;
  int buff_s;
  buff_s = 9990000;
  if (size < 9990000)
    buff_s = size;
  c = 0;
  ret = 0;
  if (size <= 1)
    print_fatal_error(2);
  buffer = malloc_or_die(sizeof(char) * buff_s + 1);
  expr = malloc_or_die(sizeof(char) * size + 1);
  expr[0] = 0;
  buffer[0] = 0;
  while (c < size) {
    ret = read(0, buffer, buff_s - 1);
    if (ret == -1)
      print_fatal_error(4);
    else if (ret == 0)
      break;
    buffer[ret] = 0;
    c = c + ret;
    my_strcat(expr, buffer);
  }
  expr[size] = 0;
  free(buffer);
  return (expr);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<get_expr>:
  endbr64
  push   %r15
  push   %r14
  mov    %edi,%r14d
  push   %r13
  push   %r12
  push   %rbp
  lea    0x1(%r14),%ebp
  push   %rbx
  sub    $0x8,%rsp
  cmp    $0x986f6f,%r14d
  ja     L89
  mov    %r14,%r12
  cmp    $0x1,%r14d
  ja     L6
  mov    $0x2,%edi
  call   <print_fatal_error@plt>
L6:
  mov    %ebp,%edi
  call   <malloc_or_die@plt>
  mov    %ebp,%edi
  mov    %rax,%r15
  call   <malloc_or_die@plt>
  movb   $0x0,(%rax)
  mov    %rax,%r13
  movb   $0x0,(%r15)
  test   %r14,%r14
  je     L26
  sub    $0x1,%r12d
L98:
  xor    %ebp,%ebp
  jmp    L99
  nopl   (%rax)
L64:
  test   %ebx,%ebx
  je     L17
L12:
  movb   $0x0,(%r15,%rbx,1)
  add    %rbx,%rbp
  mov    %r15,%rsi
  mov    %r13,%rdi
  call   <my_strcat@plt>
  cmp    %rbp,%r14
  jbe    L17
L99:
  mov    %r12d,%edx
  mov    %r15,%rsi
  xor    %edi,%edi
  call   <read@plt>
  movslq %eax,%rbx
  cmp    $0xffffffff,%ebx
  jne    L64
  mov    $0x4,%edi
  call   <print_fatal_error@plt>
  jmp    L12
  nopl   (%rax)
L89:
  mov    $0x986f71,%edi
  mov    $0x986f6f,%r12d
  call   <malloc_or_die@plt>
  mov    %ebp,%edi
  mov    %rax,%r15
  call   <malloc_or_die@plt>
  movb   $0x0,(%rax)
  mov    %rax,%r13
  movb   $0x0,(%r15)
  jmp    L98
  xchg   %ax,%ax
L17:
  add    %r13,%r14
L35:
  movb   $0x0,(%r14)
  mov    %r15,%rdi
  call   <free@plt>
  add    $0x8,%rsp
  mov    %r13,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L26:
  mov    %rax,%r14
  jmp    L35
```

assistant: ```c
char *get_expr(unsigned int size) {
  char *expr;
  char *buffer;
  int ret;
  unsigned long c;
  int buff_s;
  buff_s = 9990000;
  if (size < 9990000)
    buff_s = size;
  c = 0;
  ret = 0;
  if (size <= 1)
    print_fatal_error(2);
  buffer = malloc_or_die(sizeof(char) * buff_s + 1);
  expr = malloc_or_die(sizeof(char) * size + 1);
  expr[0] = 0;
  buffer[0] = 0;
  while (c < size) {
    ret = read(0, buffer, buff_s - 1);
    if (ret == -1)
      print_fatal_error(4);
    else if (ret == 0)
      break;
    buffer[ret] = 0;
    c = c + ret;
    my_strcat(expr, buffer);
  }
  expr[size] = 0;
  free(buffer);
  return (expr);
}
```
user: What is the c source code of the assembly code below?

```asm
<PAPIF_PERROR>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0xa0,%rsp
  mov    %rdi,-0x98(%rbp)
  mov    %esi,-0x9c(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x9c(%rbp),%edx
  mov    -0x98(%rbp),%rsi
  lea    -0x90(%rbp),%rax
  mov    %edx,%ecx
  mov    $0x80,%edx
  mov    %rax,%rdi
  call   <Fortran2cstring@plt>
  lea    -0x90(%rbp),%rax
  mov    %rax,%rdi
  call   <PAPI_perror@plt>
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L9
  call   <__stack_chk_fail@plt>
L9:
  leave
  ret
```

assistant: ```c
void PAPIF_PERROR(char *message, int message_len) {
  char tmp[128];
  Fortran2cstring(tmp, message, 128, message_len);
  PAPI_perror(tmp);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<PAPIF_PERROR>:
  endbr64
  push   %rbx
  sub    $0x90,%rsp
  mov    %esi,%ecx
  mov    %fs:0x28,%rax
  mov    %rax,0x88(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbx
  mov    $0x80,%edx
  mov    %rdi,%rsi
  mov    %rbx,%rdi
  call   <Fortran2cstring@plt>
  mov    %rbx,%rdi
  call   <PAPI_perror@plt>
  mov    0x88(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  add    $0x90,%rsp
  pop    %rbx
  ret
L8:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void PAPIF_PERROR(char *message, int message_len) {
  char tmp[128];
  Fortran2cstring(tmp, message, 128, message_len);
  PAPI_perror(tmp);
}
```