ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请从给定的汇编指令推导出C源代码：

```asm
<random32_bit>:
  endbr64
  test   %rdi,%rdi
  je     L8
  push   %r12
  xor    %eax,%eax
  mov    %rdi,%r12
  push   %rbp
  xor    %ebp,%ebp
  push   %rbx
  nopl   0x0(%rax)
L15:
  lea    (%rax,%rax,1),%rbx
  xor    %eax,%eax
  add    $0x1,%rbp
  call   <random32_value@plt>
  and    $0x1,%eax
  or     %rbx,%rax
  cmp    %rbp,%r12
  jne    L15
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L8:
  xor    %eax,%eax
  ret
```

assistant: ```c
unsigned long random32_bit(unsigned long totalBit) {
  unsigned long value;
  unsigned long i;
  value = 0;
  for (i = 0; i < totalBit; i++) {
    value <<= 1;
    value |= (random32_value() & 1);
  }
  return value;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<random32_bit>:
  endbr64
  test   %rdi,%rdi
  je     L9
  push   %r12
  xor    %eax,%eax
  mov    %rdi,%r12
  push   %rbp
  xor    %ebp,%ebp
  push   %rbx
  nopl   0x0(%rax)
L1:
  lea    (%rax,%rax,1),%rbx
  xor    %eax,%eax
  add    $0x1,%rbp
  call   <random32_value@plt>
  and    $0x1,%eax
  or     %rbx,%rax
  cmp    %rbp,%r12
  jne    L1
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L9:
  xor    %eax,%eax
  ret
```

assistant: ```c
unsigned long random32_bit(unsigned long totalBit) {
  unsigned long value;
  unsigned long i;
  value = 0;
  for (i = 0; i < totalBit; i++) {
    value <<= 1;
    value |= (random32_value() & 1);
  }
  return value;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<get_op_type>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  lea    D21(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L9
  mov    $0x1,%eax
  jmp    L20
L9:
  mov    -0x8(%rbp),%rax
  lea    D25(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L13
  mov    $0x2,%eax
  jmp    L20
L13:
  mov    -0x8(%rbp),%rax
  lea    D7(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L40
  mov    $0x3,%eax
  jmp    L20
L40:
  mov    -0x8(%rbp),%rax
  lea    D8(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L59
  mov    $0x4,%eax
  jmp    L20
L59:
  mov    $0x5,%eax
L20:
  leave
  ret
```

tool_calls: name: parse_data
arguments: data_tag: D21
datatype: string
name: parse_data
arguments: data_tag: D25
datatype: string
name: parse_data
arguments: data_tag: D7
datatype: string
name: parse_data
arguments: data_tag: D8
datatype: string

tool: D21: +

tool: D25: -

tool: D7: *

tool: D8: /

assistant: ```c
int get_op_type(const char *op) {
  if (strcmp(op, "+") == 0) {
    return 1;
  } else if (strcmp(op, "-") == 0) {
    return 2;
  } else if (strcmp(op, "*") == 0) {
    return 3;
  } else if (strcmp(op, "/") == 0) {
    return 4;
  }
  return 5;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<get_op_type>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  lea    D4(%rip),%rsi
  call   <strcmp@plt>
  mov    %rax,%rdx
  mov    $0x1,%eax
  test   %rdx,%rdx
  jne    L30
L3:
  pop    %rbx
  ret
L30:
  lea    D28(%rip),%rsi
  mov    %rbx,%rdi
  call   <strcmp@plt>
  mov    %rax,%rdx
  mov    $0x2,%eax
  test   %rdx,%rdx
  je     L3
  lea    D17(%rip),%rsi
  mov    %rbx,%rdi
  call   <strcmp@plt>
  mov    %rax,%rdx
  mov    $0x3,%eax
  test   %rdx,%rdx
  je     L3
  lea    D26(%rip),%rsi
  mov    %rbx,%rdi
  call   <strcmp@plt>
  cmp    $0x1,%rax
  mov    $0x4,%eax
  sbb    $0xffffffff,%eax
  jmp    L3
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D4
data_type: string
name: extract_symbolic_data
arguments: data_tag: D28
data_type: string
name: extract_symbolic_data
arguments: data_tag: D17
data_type: string
name: extract_symbolic_data
arguments: data_tag: D26
data_type: string

tool: D4: +

tool: D28: -

tool: D17: *

tool: D26: /

assistant: ```c
int get_op_type(const char *op) {
  if (strcmp(op, "+") == 0) {
    return 1;
  } else if (strcmp(op, "-") == 0) {
    return 2;
  } else if (strcmp(op, "*") == 0) {
    return 3;
  } else if (strcmp(op, "/") == 0) {
    return 4;
  }
  return 5;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<get_op_type>:
  endbr64
  push   %rbp
  lea    D32(%rip),%rsi
  mov    %rdi,%rbp
  call   <strcmp@plt>
  mov    %rax,%r8
  mov    $0x1,%eax
  test   %r8,%r8
  jne    L20
L21:
  pop    %rbp
  ret
  nopl   0x0(%rax,%rax,1)
L20:
  lea    D21(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  mov    %rax,%r8
  mov    $0x2,%eax
  test   %r8,%r8
  je     L21
  lea    D11(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  mov    %rax,%r8
  mov    $0x3,%eax
  test   %r8,%r8
  je     L21
  mov    %rbp,%rdi
  lea    D31(%rip),%rsi
  call   <strcmp@plt>
  pop    %rbp
  cmp    $0x1,%rax
  mov    $0x4,%eax
  sbb    $0xffffffff,%eax
  ret
```

tool_calls: name: read_data
arguments: label: D32
datatype: string
name: read_data
arguments: label: D21
datatype: string
name: read_data
arguments: label: D11
datatype: string
name: read_data
arguments: label: D31
datatype: string

tool: D32: +

tool: D21: -

tool: D11: *

tool: D31: /

assistant: ```c
int get_op_type(const char *op) {
  if (strcmp(op, "+") == 0) {
    return 1;
  } else if (strcmp(op, "-") == 0) {
    return 2;
  } else if (strcmp(op, "*") == 0) {
    return 3;
  } else if (strcmp(op, "/") == 0) {
    return 4;
  }
  return 5;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<get_op_type>:
  endbr64
  push   %rbp
  lea    D29(%rip),%rsi
  mov    %rdi,%rbp
  call   <strcmp@plt>
  mov    %rax,%r8
  mov    $0x1,%eax
  test   %r8,%r8
  jne    L22
L0:
  pop    %rbp
  ret
  nopl   0x0(%rax,%rax,1)
L22:
  lea    D32(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  mov    %rax,%r8
  mov    $0x2,%eax
  test   %r8,%r8
  je     L0
  lea    D11(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  mov    %rax,%r8
  mov    $0x3,%eax
  test   %r8,%r8
  je     L0
  mov    %rbp,%rdi
  lea    D8(%rip),%rsi
  call   <strcmp@plt>
  pop    %rbp
  cmp    $0x1,%rax
  mov    $0x4,%eax
  sbb    $0xffffffff,%eax
  ret
```

tool_calls: name: read_data
arguments: tag: D29
data_type: string
name: read_data
arguments: tag: D32
data_type: string
name: read_data
arguments: tag: D11
data_type: string
name: read_data
arguments: tag: D8
data_type: string

tool: D29: +

tool: D32: -

tool: D11: *

tool: D8: /

assistant: ```c
int get_op_type(const char *op) {
  if (strcmp(op, "+") == 0) {
    return 1;
  } else if (strcmp(op, "-") == 0) {
    return 2;
  } else if (strcmp(op, "*") == 0) {
    return 3;
  } else if (strcmp(op, "/") == 0) {
    return 4;
  }
  return 5;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<write_u32sparseco>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %edi,(%rsp)
  mov    %esi,0x4(%rsp)
  mov    %rdx,%rbp
  mov    %rcx,%rdi
  mov    %rcx,0x8(%rsp)
  mov    %r8,%r13
  lea    D12(%rip),%rsi
  call   <fopen@plt>
  mov    %rax,%r15
  test   %rax,%rax
  je     L56
L32:
  mov    (%rsp),%r14d
  mov    %r14d,%edx
  lea    D43(%rip),%rbx
  mov    %rbx,%rsi
  mov    %r15,%rdi
  mov    $0x0,%eax
  call   <fprintf@plt>
  mov    0x4(%rsp),%r12d
  mov    %r12d,%edx
  mov    %rbx,%rsi
  mov    %r15,%rdi
  mov    $0x0,%eax
  call   <fprintf@plt>
  mov    %r13,%rcx
  mov    %rbp,%rdx
  mov    %r12d,%esi
  mov    %r14d,%edi
  call   <countnnz32@plt>
  mov    %eax,%edx
  mov    %rbx,%rsi
  mov    %r15,%rdi
  mov    $0x0,%eax
  call   <fprintf@plt>
  test   %r14d,%r14d
  jle    L68
  mov    $0x0,%r14d
  jmp    L77
L56:
  mov    0x8(%rsp),%rsi
  lea    D10(%rip),%rdi
  call   <yap_sysquit@plt>
  jmp    L32
L23:
  add    $0x1,%rbx
  cmp    %r12,%rbx
  je     L57
L91:
  mov    %ebx,%ecx
  mov    0x0(%rbp),%rax
  mov    (%rax,%rbx,8),%r8
  cmp    %r13,%r8
  jle    L23
  mov    %r14d,%edx
  lea    D35(%rip),%rsi
  mov    %r15,%rdi
  mov    $0x0,%eax
  call   <fprintf@plt>
  jmp    L23
L57:
  add    $0x1,%r14d
  add    $0x8,%rbp
  cmp    %r14d,(%rsp)
  je     L68
L77:
  mov    0x4(%rsp),%eax
  mov    %eax,%r12d
  mov    $0x0,%ebx
  test   %eax,%eax
  jg     L91
  jmp    L57
L68:
  mov    %r15,%rdi
  call   <ferror@plt>
  test   %rax,%rax
  jne    L19
L104:
  mov    %r15,%rdi
  call   <fclose@plt>
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L19:
  mov    0x8(%rsp),%rsi
  lea    D3(%rip),%rdi
  call   <yap_sysquit@plt>
  jmp    L104
```

tool_calls: name: parse_data
arguments: tag: D12
type: string
name: parse_data
arguments: tag: D43
type: string
name: parse_data
arguments: tag: D10
type: string
name: parse_data
arguments: tag: D35
type: string
name: parse_data
arguments: tag: D3
type: string

tool: D12: w

tool: D43: %d


tool: D10: Cannot open file '%s' for write


tool: D35: %d %d %u


tool: D3: Error on writing file '%s' 

assistant: ```c
void write_u32sparseco(int nr, int nc, uint32_t **x, char *fname, uint32_t cutoff) {
  FILE *fp = fopen(fname, "w");
  int i, j;
  if (!fp)
    yap_sysquit("Cannot open file '%s' for write\n", fname);
  fprintf(fp, "%d\n", nr);
  fprintf(fp, "%d\n", nc);
  fprintf(fp, "%d\n", countnnz32(nr, nc, x, cutoff));
  for (i = 0; i < nr; i++)
    for (j = 0; j < nc; j++)
      if (x[i][j] > cutoff)
        fprintf(fp, "%d %d %u\n", i, j, (unsigned)x[i][j]);
  if (ferror(fp))
    yap_sysquit("Error on writing file '%s' ", fname);
  fclose(fp);
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<write_u32sparseco>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  mov    %r8,%r13
  push   %r12
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %edi,(%rsp)
  mov    %rcx,%rdi
  mov    %esi,0x4(%rsp)
  lea    D30(%rip),%rsi
  mov    %rcx,0x8(%rsp)
  call   <fopen@plt>
  mov    %rax,%r15
  test   %rax,%rax
  je     L59
L19:
  mov    (%rsp),%ebx
  lea    D2(%rip),%r12
  mov    %r15,%rdi
  xor    %eax,%eax
  mov    %r12,%rsi
  mov    %ebx,%edx
  call   <fprintf@plt>
  mov    0x4(%rsp),%r14d
  mov    %r12,%rsi
  mov    %r15,%rdi
  xor    %eax,%eax
  mov    %r14d,%edx
  call   <fprintf@plt>
  mov    %rbp,%rdx
  mov    %r14d,%esi
  mov    %ebx,%edi
  mov    %r13,%rcx
  call   <countnnz32@plt>
  mov    %r12,%rsi
  mov    %r15,%rdi
  mov    %eax,%edx
  xor    %eax,%eax
  call   <fprintf@plt>
  test   %ebx,%ebx
  jle    L108
  xor    %r14d,%r14d
  mov    %r13,%r12
  mov    %rbp,%r13
  mov    %r14d,%ebp
  nopl   0x0(%rax)
L65:
  movslq 0x4(%rsp),%r14
  xor    %ebx,%ebx
  test   %r14d,%r14d
  jg     L75
  jmp    L40
  xchg   %ax,%ax
L102:
  add    $0x1,%rbx
  cmp    %rbx,%r14
  je     L40
L75:
  mov    0x0(%r13),%rax
  mov    %ebx,%ecx
  mov    (%rax,%rbx,8),%r8
  cmp    %r12,%r8
  jle    L102
  mov    %ebp,%edx
  lea    D9(%rip),%rsi
  mov    %r15,%rdi
  xor    %eax,%eax
  call   <fprintf@plt>
  add    $0x1,%rbx
  cmp    %rbx,%r14
  jne    L75
L40:
  add    $0x1,%ebp
  add    $0x8,%r13
  cmp    %ebp,(%rsp)
  jne    L65
L108:
  mov    %r15,%rdi
  call   <ferror@plt>
  test   %rax,%rax
  jne    L33
L55:
  add    $0x18,%rsp
  mov    %r15,%rdi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    10b0 <fclose@plt>
L33:
  mov    0x8(%rsp),%rsi
  lea    D13(%rip),%rdi
  call   <yap_sysquit@plt>
  jmp    L55
L59:
  mov    0x8(%rsp),%rsi
  lea    D27(%rip),%rdi
  call   <yap_sysquit@plt>
  jmp    L19
```

tool_calls: name: extract_symbolic_data
arguments: tag: D30
datatype: string
name: extract_symbolic_data
arguments: tag: D2
datatype: string
name: extract_symbolic_data
arguments: tag: D9
datatype: string
name: extract_symbolic_data
arguments: tag: D13
datatype: string
name: extract_symbolic_data
arguments: tag: D27
datatype: string

tool: D30: w

tool: D2: %d


tool: D9: %d %d %u


tool: D13: Error on writing file '%s' 

tool: D27: Cannot open file '%s' for write


assistant: ```c
void write_u32sparseco(int nr, int nc, uint32_t **x, char *fname, uint32_t cutoff) {
  FILE *fp = fopen(fname, "w");
  int i, j;
  if (!fp)
    yap_sysquit("Cannot open file '%s' for write\n", fname);
  fprintf(fp, "%d\n", nr);
  fprintf(fp, "%d\n", nc);
  fprintf(fp, "%d\n", countnnz32(nr, nc, x, cutoff));
  for (i = 0; i < nr; i++)
    for (j = 0; j < nc; j++)
      if (x[i][j] > cutoff)
        fprintf(fp, "%d %d %u\n", i, j, (unsigned)x[i][j]);
  if (ferror(fp))
    yap_sysquit("Error on writing file '%s' ", fname);
  fclose(fp);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<write_u32sparseco>:
  endbr64
  push   %r15
  push   %r14
  movslq %esi,%r14
  lea    D21(%rip),%rsi
  push   %r13
  push   %r12
  mov    %r8,%r12
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %edi,0x4(%rsp)
  mov    %rcx,%rdi
  mov    %rcx,0x8(%rsp)
  call   <fopen@plt>
  mov    %rax,%r15
  test   %rax,%rax
  je     L75
L19:
  mov    0x4(%rsp),%ebx
  lea    D45(%rip),%r13
  mov    %r15,%rdi
  xor    %eax,%eax
  mov    %r13,%rsi
  mov    %ebx,%edx
  call   <fprintf@plt>
  mov    %r14d,%edx
  mov    %r13,%rsi
  mov    %r15,%rdi
  xor    %eax,%eax
  call   <fprintf@plt>
  mov    %rbp,%rdx
  mov    %r14d,%esi
  mov    %ebx,%edi
  mov    %r12,%rcx
  call   <countnnz32@plt>
  mov    %r13,%rsi
  mov    %r15,%rdi
  mov    %eax,%edx
  xor    %eax,%eax
  call   <fprintf@plt>
  test   %ebx,%ebx
  jle    L94
  test   %r14d,%r14d
  jle    L94
  xor    %r13d,%r13d
  nopl   0x0(%rax)
L70:
  xor    %ebx,%ebx
  jmp    L18
  nopl   0x0(%rax)
L102:
  add    $0x1,%rbx
  cmp    %r14,%rbx
  je     L56
L18:
  mov    0x0(%rbp),%rax
  mov    %ebx,%ecx
  mov    (%rax,%rbx,8),%r8
  cmp    %r12,%r8
  jle    L102
  mov    %r13d,%edx
  lea    D9(%rip),%rsi
  mov    %r15,%rdi
  xor    %eax,%eax
  call   <fprintf@plt>
  add    $0x1,%rbx
  cmp    %r14,%rbx
  jne    L18
L56:
  add    $0x1,%r13d
  add    $0x8,%rbp
  cmp    %r13d,0x4(%rsp)
  jne    L70
L94:
  mov    %r15,%rdi
  call   <ferror@plt>
  test   %rax,%rax
  jne    L87
L28:
  add    $0x18,%rsp
  mov    %r15,%rdi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    10b0 <fclose@plt>
L87:
  mov    0x8(%rsp),%rsi
  lea    D3(%rip),%rdi
  call   <yap_sysquit@plt>
  jmp    L28
L75:
  mov    0x8(%rsp),%rsi
  lea    D41(%rip),%rdi
  call   <yap_sysquit@plt>
  jmp    L19
```

tool_calls: name: extract_symbolic_data
arguments: label: D21
type: string
name: extract_symbolic_data
arguments: label: D45
type: string
name: extract_symbolic_data
arguments: label: D9
type: string
name: extract_symbolic_data
arguments: label: D3
type: string
name: extract_symbolic_data
arguments: label: D41
type: string

tool: D21: w

tool: D45: %d


tool: D9: %d %d %u


tool: D3: Error on writing file '%s' 

tool: D41: Cannot open file '%s' for write


assistant: ```c
void write_u32sparseco(int nr, int nc, uint32_t **x, char *fname, uint32_t cutoff) {
  FILE *fp = fopen(fname, "w");
  int i, j;
  if (!fp)
    yap_sysquit("Cannot open file '%s' for write\n", fname);
  fprintf(fp, "%d\n", nr);
  fprintf(fp, "%d\n", nc);
  fprintf(fp, "%d\n", countnnz32(nr, nc, x, cutoff));
  for (i = 0; i < nr; i++)
    for (j = 0; j < nc; j++)
      if (x[i][j] > cutoff)
        fprintf(fp, "%d %d %u\n", i, j, (unsigned)x[i][j]);
  if (ferror(fp))
    yap_sysquit("Error on writing file '%s' ", fname);
  fclose(fp);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<read_file>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    D4(%rip),%rax
  mov    (%rax),%edx
  mov    -0x38(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <open@plt>
  mov    %eax,-0x2c(%rbp)
  lea    -0x20(%rbp),%rdx
  mov    -0x2c(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <fstat@plt>
  mov    -0x20(%rbp),%rdx
  mov    -0x40(%rbp),%rax
  mov    %rdx,(%rax)
  mov    -0x18(%rbp),%eax
  mov    %eax,%edi
  call   <S_ISREG@plt>
  test   %eax,%eax
  jne    L19
  mov    -0x2c(%rbp),%eax
  mov    %eax,%edi
  call   <close@plt>
  mov    $0x0,%eax
  jmp    L0
L19:
  mov    -0x40(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rax,-0x28(%rbp)
  mov    -0x40(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0x28(%rbp),%rcx
  mov    -0x2c(%rbp),%eax
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <read@plt>
  mov    -0x2c(%rbp),%eax
  mov    %eax,%edi
  call   <close@plt>
  mov    -0x28(%rbp),%rax
L0:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L5
  call   <__stack_chk_fail@plt>
L5:
  leave
  ret
```

assistant: ```c
char *read_file(const char *filename, size_t *length) {
  int fd;
  struct stat file_info;
  char *buffer;
  fd = open(filename, O_RDONLY);
  fstat(fd, &file_info);
  *length = file_info.st_size;
  if (!S_ISREG(file_info.st_mode)) {
    close(fd);
    return NULL;
  }
  buffer = (char *)malloc(*length);
  read(fd, buffer, *length);
  close(fd);
  return buffer;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<read_file>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x20,%rsp
  mov    %rsi,%rbp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    D9(%rip),%rax
  mov    (%rax),%esi
  call   <open@plt>
  mov    %eax,%ebx
  mov    %rsp,%rsi
  mov    %eax,%edi
  call   <fstat@plt>
  mov    (%rsp),%rax
  mov    %rax,0x0(%rbp)
  mov    0x8(%rsp),%edi
  call   <S_ISREG@plt>
  test   %eax,%eax
  je     L22
  mov    0x0(%rbp),%rdi
  call   <malloc@plt>
  mov    %rax,%r12
  mov    0x0(%rbp),%rdx
  mov    %rax,%rsi
  mov    %ebx,%edi
  call   <read@plt>
  mov    %ebx,%edi
  call   <close@plt>
L1:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L24
  mov    %r12,%rax
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L22:
  mov    %ebx,%edi
  call   <close@plt>
  mov    $0x0,%r12d
  jmp    L1
L24:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
char *read_file(const char *filename, size_t *length) {
  int fd;
  struct stat file_info;
  char *buffer;
  fd = open(filename, O_RDONLY);
  fstat(fd, &file_info);
  *length = file_info.st_size;
  if (!S_ISREG(file_info.st_mode)) {
    close(fd);
    return NULL;
  }
  buffer = (char *)malloc(*length);
  read(fd, buffer, *length);
  close(fd);
  return buffer;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<read_file>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  mov    D3(%rip),%rax
  mov    (%rax),%esi
  call   <open@plt>
  mov    %rsp,%rsi
  mov    %eax,%edi
  mov    %eax,%ebp
  call   <fstat@plt>
  mov    (%rsp),%rax
  mov    0x8(%rsp),%edi
  mov    %rax,(%rbx)
  call   <S_ISREG@plt>
  test   %eax,%eax
  je     L20
  mov    (%rbx),%rdi
  call   <malloc@plt>
  mov    (%rbx),%rdx
  mov    %ebp,%edi
  mov    %rax,%rsi
  mov    %rax,%r12
  call   <read@plt>
  mov    %ebp,%edi
  call   <close@plt>
L0:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L17
  add    $0x20,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  cs nopw 0x0(%rax,%rax,1)
L20:
  mov    %ebp,%edi
  xor    %r12d,%r12d
  call   <close@plt>
  jmp    L0
L17:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
char *read_file(const char *filename, size_t *length) {
  int fd;
  struct stat file_info;
  char *buffer;
  fd = open(filename, O_RDONLY);
  fstat(fd, &file_info);
  *length = file_info.st_size;
  if (!S_ISREG(file_info.st_mode)) {
    close(fd);
    return NULL;
  }
  buffer = (char *)malloc(*length);
  read(fd, buffer, *length);
  close(fd);
  return buffer;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<read_file>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  mov    D5(%rip),%rax
  mov    (%rax),%esi
  call   <open@plt>
  mov    %rsp,%rsi
  mov    %eax,%edi
  mov    %eax,%ebp
  call   <fstat@plt>
  mov    (%rsp),%rax
  mov    0x8(%rsp),%edi
  mov    %rax,(%rbx)
  call   <S_ISREG@plt>
  test   %eax,%eax
  je     L17
  mov    (%rbx),%rdi
  call   <malloc@plt>
  mov    (%rbx),%rdx
  mov    %ebp,%edi
  mov    %rax,%rsi
  mov    %rax,%r12
  call   <read@plt>
  mov    %ebp,%edi
  call   <close@plt>
L12:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L14
  add    $0x20,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  cs nopw 0x0(%rax,%rax,1)
L17:
  mov    %ebp,%edi
  xor    %r12d,%r12d
  call   <close@plt>
  jmp    L12
L14:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
char *read_file(const char *filename, size_t *length) {
  int fd;
  struct stat file_info;
  char *buffer;
  fd = open(filename, O_RDONLY);
  fstat(fd, &file_info);
  *length = file_info.st_size;
  if (!S_ISREG(file_info.st_mode)) {
    close(fd);
    return NULL;
  }
  buffer = (char *)malloc(*length);
  read(fd, buffer, *length);
  close(fd);
  return buffer;
}
```
user: Translate the below assembly code into C programming language:

```asm
<dprintf_DollarString>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L39
L4:
  mov    -0x4(%rbp),%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %edx,%eax
  add    %eax,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  sub    $0x30,%eax
  add    %eax,-0x4(%rbp)
  addq   $0x1,-0x18(%rbp)
L39:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  jne    L4
  cmpl   $0x0,-0x4(%rbp)
  je     L20
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movzbl (%rax),%eax
  cmp    $0x24,%al
  jne    L20
  mov    -0x20(%rbp),%rax
  mov    -0x18(%rbp),%rdx
  mov    %rdx,(%rax)
  mov    -0x4(%rbp),%eax
  cltq
  jmp    L27
L20:
  mov    $0x0,%eax
L27:
  leave
  ret
```

assistant: ```c
long dprintf_DollarString(char *input, char **end) {
  int number = 0;
  while ((isdigit((int)((unsigned char)*input)))) {
    number *= 10;
    number += *input - '0';
    input++;
  }
  if (number && ('$' == *input++)) {
    *end = input;
    return number;
  }
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<dprintf_DollarString>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    %rsi,%r12
  mov    $0x0,%ebp
  jmp    L1
L3:
  lea    0x0(%rbp,%rbp,4),%edx
  movsbl (%rbx),%eax
  lea    -0x30(%rax,%rdx,2),%ebp
  add    $0x1,%rbx
L1:
  movzbl (%rbx),%edi
  call   <isdigit@plt>
  test   %rax,%rax
  jne    L3
  test   %ebp,%ebp
  je     L25
  cmpb   $0x24,(%rbx)
  je     L43
L25:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L43:
  add    $0x1,%rbx
  mov    %rbx,(%r12)
  movslq %ebp,%rax
  jmp    L25
```

assistant: ```c
long dprintf_DollarString(char *input, char **end) {
  int number = 0;
  while ((isdigit((int)((unsigned char)*input)))) {
    number *= 10;
    number += *input - '0';
    input++;
  }
  if (number && ('$' == *input++)) {
    *end = input;
    return number;
  }
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<dprintf_DollarString>:
  endbr64
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  xor    %ebp,%ebp
  push   %rbx
  mov    %rdi,%rbx
  jmp    L20
  nopw   0x0(%rax,%rax,1)
L26:
  movsbl (%rbx),%eax
  lea    0x0(%rbp,%rbp,4),%edx
  add    $0x1,%rbx
  lea    -0x30(%rax,%rdx,2),%ebp
L20:
  movzbl (%rbx),%edi
  call   <isdigit@plt>
  test   %rax,%rax
  jne    L26
  test   %ebp,%ebp
  je     L22
  cmpb   $0x24,(%rbx)
  je     L30
L22:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L30:
  add    $0x1,%rbx
  movslq %ebp,%rax
  mov    %rbx,(%r12)
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
long dprintf_DollarString(char *input, char **end) {
  int number = 0;
  while ((isdigit((int)((unsigned char)*input)))) {
    number *= 10;
    number += *input - '0';
    input++;
  }
  if (number && ('$' == *input++)) {
    *end = input;
    return number;
  }
  return 0;
}
```