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

```asm
<main>:
  endbr64
  xor    %eax,%eax
  ret
```

assistant: ```c
int main() {
  int M, N;
  float **A;
  float *s;
  float *Rdiag;
  float *nrm;
  int i, j, k;
  float t;
  for (k = 0; k < N; k++) {
    nrm[k] = 0;
    for (i = k; i < M; i++)
      nrm[k] = sqrt(nrm[k] * nrm[k] + A[i][k] * A[i][k]);
    for (i = k; i < M; i++)
      A[i][k] = A[i][k] / nrm[k];
    A[k][k] = A[k][k] + 1;
    for (j = k + 1; j < N; j++) {
      s[j] = 0;
      for (i = k; i < M; i++)
        s[j] = s[j] + A[i][k] * A[i][j];
      s[j] = -s[j] / A[k][k];
      for (i = k; i < M; i++)
        A[i][j] = A[i][j] + s[j] * A[i][k];
    }
    Rdiag[k] = -nrm[k];
  }
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<appf>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0xf0,%rsp
  mov    %rdi,-0xd8(%rbp)
  mov    %rsi,-0xe0(%rbp)
  mov    %rdx,-0xe8(%rbp)
  mov    %rcx,-0x98(%rbp)
  mov    %r8,-0x90(%rbp)
  mov    %r9,-0x88(%rbp)
  test   %al,%al
  je     L93
  movaps %xmm0,-0x80(%rbp)
  movaps %xmm1,-0x70(%rbp)
  movaps %xmm2,-0x60(%rbp)
  movaps %xmm3,-0x50(%rbp)
  movaps %xmm4,-0x40(%rbp)
  movaps %xmm5,-0x30(%rbp)
  movaps %xmm6,-0x20(%rbp)
  movaps %xmm7,-0x10(%rbp)
L93:
  mov    %fs:0x28,%rax
  mov    %rax,-0xb8(%rbp)
  xor    %eax,%eax
  movq   $0x0,-0xc0(%rbp)
  mov    -0xe8(%rbp),%rdx
  mov    -0xd0(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <va_start@plt>
  mov    -0xd0(%rbp),%edx
  mov    -0xe8(%rbp),%rcx
  lea    -0xc0(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <vasprintf@plt>
  mov    %eax,-0xcc(%rbp)
  mov    -0xd0(%rbp),%eax
  mov    %eax,%edi
  call   <va_end@plt>
  cmpl   $0x0,-0xcc(%rbp)
  jns    L56
  mov    -0xd8(%rbp),%rax
  jmp    L47
L56:
  cmpq   $0x0,-0xd8(%rbp)
  jne    L20
  mov    -0xc0(%rbp),%rax
  jmp    L47
L20:
  mov    -0xd8(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0xc8(%rbp)
  cmpl   $0x0,-0xc8(%rbp)
  je     L90
  cmpq   $0x0,-0xe0(%rbp)
  je     L90
  mov    -0xe0(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  jmp    L78
L90:
  mov    $0x0,%eax
L78:
  mov    %eax,-0xc4(%rbp)
  mov    -0xc8(%rbp),%edx
  mov    -0xc4(%rbp),%eax
  add    %eax,%edx
  mov    -0xcc(%rbp),%eax
  add    %edx,%eax
  lea    0x1(%rax),%edx
  mov    -0xd8(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <realloc@plt>
  mov    %rax,-0xd8(%rbp)
  cmpl   $0x0,-0xc4(%rbp)
  je     L68
  mov    -0xc8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0xd8(%rbp),%rax
  add    %rax,%rdx
  mov    -0xe0(%rbp),%rax
  mov    %rax,%rsi
  mov    %rdx,%rdi
  call   <strcpy@plt>
L68:
  mov    -0xc0(%rbp),%rax
  mov    -0xc8(%rbp),%edx
  movslq %edx,%rcx
  mov    -0xc4(%rbp),%edx
  movslq %edx,%rdx
  add    %rdx,%rcx
  mov    -0xd8(%rbp),%rdx
  add    %rcx,%rdx
  mov    %rax,%rsi
  mov    %rdx,%rdi
  call   <strcpy@plt>
  mov    -0xc0(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0xd8(%rbp),%rax
L47:
  mov    -0xb8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L57
  call   <__stack_chk_fail@plt>
L57:
  leave
  ret
```

assistant: ```c
char *appf(char *str, const char *sep, const char *fmt, ...) {
  char *buf = NULL;
  int inlen, seplen, len;
  va_list args;
  va_start(args, fmt);
  len = vasprintf(&buf, fmt, args);
  va_end(args);
  if (len < 0)
    return str;
  if (!str)
    return buf;
  inlen = strlen(str);
  seplen = (inlen && sep) ? strlen(sep) : 0;
  str = realloc(str, inlen + seplen + len + 1);
  if (seplen)
    strcpy(str + inlen, sep);
  strcpy(str + inlen + seplen, buf);
  free(buf);
  return str;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<appf>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,%rbp
  mov    %rsi,%r13
  mov    %rdx,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  movq   $0x0,(%rsp)
  mov    %rdx,%rsi
  mov    $0x0,%r12d
  mov    %r12d,%edi
  call   <va_start@plt>
  mov    %rsp,%rdi
  mov    %r12d,%edx
  mov    %rbx,%rsi
  call   <vasprintf@plt>
  mov    %eax,%r15d
  mov    %r12d,%edi
  call   <va_end@plt>
  mov    %rbp,%r12
  test   %r15d,%r15d
  js     L24
  mov    (%rsp),%r12
  test   %rbp,%rbp
  je     L24
  mov    %rbp,%rdi
  call   <strlen@plt>
  mov    %eax,%ebx
  test   %eax,%eax
  je     L54
  test   %r13,%r13
  jne    L58
L54:
  lea    0x1(%r15,%rbx,1),%esi
  mov    %rbp,%rdi
  call   <realloc@plt>
  mov    %rax,%r12
  mov    $0x0,%r14d
L41:
  movslq %ebx,%rdi
  movslq %r14d,%r14
  add    %r14,%rdi
  add    %r12,%rdi
  mov    (%rsp),%rsi
  call   <strcpy@plt>
  mov    (%rsp),%rdi
  call   <free@plt>
L24:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L26
  mov    %r12,%rax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L58:
  mov    %r13,%rdi
  call   <strlen@plt>
  mov    %eax,%r14d
  lea    (%rbx,%rax,1),%eax
  lea    0x1(%r15,%rax,1),%esi
  mov    %rbp,%rdi
  call   <realloc@plt>
  mov    %rax,%r12
  test   %r14d,%r14d
  je     L41
  movslq %ebx,%rdi
  add    %rax,%rdi
  mov    %r13,%rsi
  call   <strcpy@plt>
  jmp    L41
L26:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
char *appf(char *str, const char *sep, const char *fmt, ...) {
  char *buf = NULL;
  int inlen, seplen, len;
  va_list args;
  va_start(args, fmt);
  len = vasprintf(&buf, fmt, args);
  va_end(args);
  if (len < 0)
    return str;
  if (!str)
    return buf;
  inlen = strlen(str);
  seplen = (inlen && sep) ? strlen(sep) : 0;
  str = realloc(str, inlen + seplen + len + 1);
  if (seplen)
    strcpy(str + inlen, sep);
  strcpy(str + inlen + seplen, buf);
  free(buf);
  return str;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<appf>:
  endbr64
  push   %r15
  xor    %r15d,%r15d
  push   %r14
  push   %r13
  mov    %rdi,%r13
  mov    %r15d,%edi
  push   %r12
  mov    %rdx,%r12
  push   %rbp
  mov    %rsi,%rbp
  mov    %rdx,%rsi
  push   %rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  movq   $0x0,(%rsp)
  call   <va_start@plt>
  mov    %r12,%rsi
  mov    %rsp,%rdi
  mov    %r15d,%edx
  call   <vasprintf@plt>
  mov    %r15d,%edi
  mov    %r13,%r12
  mov    %eax,%r14d
  call   <va_end@plt>
  test   %r14d,%r14d
  js     L29
  test   %r13,%r13
  je     L33
  mov    %r13,%rdi
  call   <strlen@plt>
  movslq %eax,%rbx
  test   %ebx,%ebx
  je     L31
  test   %rbp,%rbp
  jne    L38
L31:
  lea    0x1(%r14,%rbx,1),%esi
  mov    %r13,%rdi
  call   <realloc@plt>
  mov    %rax,%r12
L69:
  mov    (%rsp),%rsi
  lea    (%r12,%rbx,1),%rdi
  call   <strcpy@plt>
  mov    (%rsp),%rdi
  call   <free@plt>
L29:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L73
  add    $0x18,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L33:
  mov    (%rsp),%r12
  jmp    L29
  xchg   %ax,%ax
L38:
  mov    %rbp,%rdi
  call   <strlen@plt>
  mov    %r12,%rdi
  mov    %eax,%r13d
  lea    (%rbx,%rax,1),%eax
  lea    0x1(%r14,%rax,1),%esi
  call   <realloc@plt>
  mov    %rax,%r12
  test   %r13d,%r13d
  je     L69
  lea    (%rax,%rbx,1),%rdi
  mov    %rbp,%rsi
  call   <strcpy@plt>
  movslq %r13d,%rax
  add    %rax,%rbx
  jmp    L69
L73:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
char *appf(char *str, const char *sep, const char *fmt, ...) {
  char *buf = NULL;
  int inlen, seplen, len;
  va_list args;
  va_start(args, fmt);
  len = vasprintf(&buf, fmt, args);
  va_end(args);
  if (len < 0)
    return str;
  if (!str)
    return buf;
  inlen = strlen(str);
  seplen = (inlen && sep) ? strlen(sep) : 0;
  str = realloc(str, inlen + seplen + len + 1);
  if (seplen)
    strcpy(str + inlen, sep);
  strcpy(str + inlen + seplen, buf);
  free(buf);
  return str;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<appf>:
  endbr64
  push   %r15
  xor    %r15d,%r15d
  push   %r14
  push   %r13
  mov    %rdi,%r13
  mov    %r15d,%edi
  push   %r12
  mov    %rdx,%r12
  push   %rbp
  mov    %rsi,%rbp
  mov    %rdx,%rsi
  push   %rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  movq   $0x0,(%rsp)
  call   <va_start@plt>
  mov    %r12,%rsi
  mov    %rsp,%rdi
  mov    %r15d,%edx
  call   <vasprintf@plt>
  mov    %r15d,%edi
  mov    %r13,%r12
  mov    %eax,%r14d
  call   <va_end@plt>
  test   %r14d,%r14d
  js     L55
  test   %r13,%r13
  je     L54
  mov    %r13,%rdi
  call   <strlen@plt>
  movslq %eax,%rbx
  test   %ebx,%ebx
  je     L64
  test   %rbp,%rbp
  jne    L61
L64:
  lea    0x1(%r14,%rbx,1),%esi
  mov    %r13,%rdi
  call   <realloc@plt>
  mov    %rax,%r12
L70:
  mov    (%rsp),%rsi
  lea    (%r12,%rbx,1),%rdi
  call   <strcpy@plt>
  mov    (%rsp),%rdi
  call   <free@plt>
L55:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L78
  add    $0x18,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L54:
  mov    (%rsp),%r12
  jmp    L55
  xchg   %ax,%ax
L61:
  mov    %rbp,%rdi
  call   <strlen@plt>
  mov    %r12,%rdi
  mov    %eax,%r13d
  lea    (%rbx,%rax,1),%eax
  lea    0x1(%r14,%rax,1),%esi
  call   <realloc@plt>
  mov    %rax,%r12
  test   %r13d,%r13d
  je     L70
  lea    (%rax,%rbx,1),%rdi
  mov    %rbp,%rsi
  call   <strcpy@plt>
  movslq %r13d,%rax
  add    %rax,%rbx
  jmp    L70
L78:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
char *appf(char *str, const char *sep, const char *fmt, ...) {
  char *buf = NULL;
  int inlen, seplen, len;
  va_list args;
  va_start(args, fmt);
  len = vasprintf(&buf, fmt, args);
  va_end(args);
  if (len < 0)
    return str;
  if (!str)
    return buf;
  inlen = strlen(str);
  seplen = (inlen && sep) ? strlen(sep) : 0;
  str = realloc(str, inlen + seplen + len + 1);
  if (seplen)
    strcpy(str + inlen, sep);
  strcpy(str + inlen + seplen, buf);
  free(buf);
  return str;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<spin>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    %rax,%rsi
  lea    D8(%rip),%rax
  mov    %rax,%rdi
  call   <printl@plt>
L1:
  jmp    L1
```

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

tool: D8: 
spinning in %s ...


assistant: ```c
void spin(char *func_name) {
  printl("\nspinning in %s ...\n", func_name);
  while (1) {
  }
}
```
user: What is the c source code of the assembly code below?

```asm
<spin>:
  endbr64
  sub    $0x8,%rsp
  mov    %rdi,%rsi
  lea    D7(%rip),%rdi
  call   <printl@plt>
L8:
  jmp    L8
```

tool_calls: name: disassemble_data
arguments: tag: D7
type_infered: string

tool: D7: 
spinning in %s ...


assistant: ```c
void spin(char *func_name) {
  printl("\nspinning in %s ...\n", func_name);
  while (1) {
  }
}
```
user: What is the c source code of the assembly code below?

```asm
<spin>:
  endbr64
  mov    %rdi,%rsi
  sub    $0x8,%rsp
  lea    D5(%rip),%rdi
  call   <printl@plt>
L6:
  jmp    L6
```

tool_calls: name: disassemble_data
arguments: data_label: D5
datatype: string

tool: D5: 
spinning in %s ...


assistant: ```c
void spin(char *func_name) {
  printl("\nspinning in %s ...\n", func_name);
  while (1) {
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<spin>:
  endbr64
  mov    %rdi,%rsi
  sub    $0x8,%rsp
  lea    D6(%rip),%rdi
  call   <printl@plt>
L4:
  jmp    L4
```

tool_calls: name: retrieve_data
arguments: label: D6
type: string

tool: D6: 
spinning in %s ...


assistant: ```c
void spin(char *func_name) {
  printl("\nspinning in %s ...\n", func_name);
  while (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
<freeRAM>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <sysinfo@plt>
  mov    -0x20(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  add    %rax,%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L7
  call   <__stack_chk_fail@plt>
L7:
  leave
  ret
```

assistant: ```c
size_t freeRAM() {
  struct sysinfo info;
  sysinfo(&info);
  return info.freeram + info.bufferram + info.sharedram;
}
```
user: What is the c source code of the assembly code below?

```asm
<freeRAM>:
  endbr64
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  call   <sysinfo@plt>
  mov    0x8(%rsp),%rax
  add    (%rsp),%rax
  add    0x10(%rsp),%rax
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L9
  add    $0x28,%rsp
  ret
L9:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
size_t freeRAM() {
  struct sysinfo info;
  sysinfo(&info);
  return info.freeram + info.bufferram + info.sharedram;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<freeRAM>:
  endbr64
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  call   <sysinfo@plt>
  mov    0x8(%rsp),%rax
  add    (%rsp),%rax
  add    0x10(%rsp),%rax
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L2
  add    $0x28,%rsp
  ret
L2:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
size_t freeRAM() {
  struct sysinfo info;
  sysinfo(&info);
  return info.freeram + info.bufferram + info.sharedram;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<freeRAM>:
  endbr64
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  call   <sysinfo@plt>
  mov    0x8(%rsp),%rax
  add    (%rsp),%rax
  add    0x10(%rsp),%rax
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L7
  add    $0x28,%rsp
  ret
L7:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
size_t freeRAM() {
  struct sysinfo info;
  sysinfo(&info);
  return info.freeram + info.bufferram + info.sharedram;
}
```
user: Translate the below assembly code into C programming language:

```asm
<printd>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %esi,-0xc(%rbp)
  cmpl   $0x10,-0xc(%rbp)
  jle    L28
  movl   $0x10,-0xc(%rbp)
  jmp    L28
L4:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,%esi
  lea    D1(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  addq   $0x1,-0x8(%rbp)
L28:
  mov    -0xc(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,-0xc(%rbp)
  test   %eax,%eax
  jg     L4
  nop
  nop
  leave
  ret
```

tool_calls: name: parse_data
arguments: data_label: D1
type_guessed: string

tool: D1:  %02x

assistant: ```c
void printd(unsigned char *data, int cnt) {
  if (cnt > 16)
    cnt = 16;
  while (cnt-- > 0) {
    printf(" %02x", *data);
    ++data;
  }
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<printd>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    $0x10,%ebp
  cmp    %ebp,%esi
  cmovle %esi,%ebp
  test   %esi,%esi
  jle    L19
  mov    %rdi,%r12
  mov    %rdi,%rbx
  lea    D0(%rip),%r13
L3:
  movzbl (%rbx),%esi
  mov    %r13,%rdi
  call   <printf@plt>
  add    $0x1,%rbx
  lea    0x0(%rbp,%r12,1),%eax
  sub    %ebx,%eax
  test   %eax,%eax
  jg     L3
L19:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

tool_calls: name: extract_symbolic_data
arguments: label: D0
type: string

tool: D0:  %02x

assistant: ```c
void printd(unsigned char *data, int cnt) {
  if (cnt > 16)
    cnt = 16;
  while (cnt-- > 0) {
    printf(" %02x", *data);
    ++data;
  }
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<printd>:
  endbr64
  mov    $0x10,%eax
  cmp    %eax,%esi
  cmovle %esi,%eax
  test   %esi,%esi
  jle    L8
  push   %r12
  lea    D1(%rip),%r12
  push   %rbp
  lea    (%rax,%rdi,1),%ebp
  push   %rbx
  mov    %rdi,%rbx
  nopl   0x0(%rax,%rax,1)
L5:
  movzbl (%rbx),%esi
  mov    %r12,%rdi
  add    $0x1,%rbx
  call   <printf@plt>
  mov    %ebp,%eax
  sub    %ebx,%eax
  test   %eax,%eax
  jg     L5
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L8:
  ret
```

tool_calls: name: disassemble_data
arguments: data_label: D1
type_guessed: string

tool: D1:  %02x

assistant: ```c
void printd(unsigned char *data, int cnt) {
  if (cnt > 16)
    cnt = 16;
  while (cnt-- > 0) {
    printf(" %02x", *data);
    ++data;
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<printd>:
  endbr64
  mov    $0x10,%eax
  cmp    %eax,%esi
  cmovle %esi,%eax
  test   %esi,%esi
  jle    L16
  push   %r12
  lea    D2(%rip),%r12
  push   %rbp
  lea    (%rax,%rdi,1),%ebp
  push   %rbx
  mov    %rdi,%rbx
  nopl   0x0(%rax,%rax,1)
L17:
  movzbl (%rbx),%esi
  mov    %r12,%rdi
  add    $0x1,%rbx
  call   <printf@plt>
  mov    %ebp,%eax
  sub    %ebx,%eax
  test   %eax,%eax
  jg     L17
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L16:
  ret
```

tool_calls: name: parse_data
arguments: data_tag: D2
type: string

tool: D2:  %02x

assistant: ```c
void printd(unsigned char *data, int cnt) {
  if (cnt > 16)
    cnt = 16;
  while (cnt-- > 0) {
    printf(" %02x", *data);
    ++data;
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<parson_strndup>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x20(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L5
  mov    $0x0,%eax
  jmp    L18
L5:
  mov    -0x8(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x20(%rbp),%rdx
  mov    -0x18(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncpy@plt>
  mov    -0x8(%rbp),%rax
L18:
  leave
  ret
```

assistant: ```c
char *parson_strndup(const char *string, size_t n) {
  char *output_string = (char *)malloc(n + 1);
  if (!output_string)
    return NULL;
  output_string[n] = '\0';
  strncpy(output_string, string, n);
  return output_string;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<parson_strndup>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  mov    %rsi,%rbx
  lea    0x1(%rsi),%rdi
  call   <malloc@plt>
  mov    $0x0,%r12d
  test   %rax,%rax
  je     L2
  mov    %rax,%rdi
  mov    %rax,%r12
  movb   $0x0,(%rax,%rbx,1)
  mov    %rbx,%rdx
  mov    %rbp,%rsi
  call   <strncpy@plt>
L2:
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *parson_strndup(const char *string, size_t n) {
  char *output_string = (char *)malloc(n + 1);
  if (!output_string)
    return NULL;
  output_string[n] = '\0';
  strncpy(output_string, string, n);
  return output_string;
}
```
user: What is the c source code of the assembly code below?

```asm
<parson_strndup>:
  endbr64
  push   %r13
  xor    %r13d,%r13d
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %rdi,%rbp
  lea    0x1(%rsi),%rdi
  call   <malloc@plt>
  test   %rax,%rax
  je     L6
  movb   $0x0,(%rax,%r12,1)
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %rax,%rdi
  mov    %rax,%r13
  call   <strncpy@plt>
L6:
  mov    %r13,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
char *parson_strndup(const char *string, size_t n) {
  char *output_string = (char *)malloc(n + 1);
  if (!output_string)
    return NULL;
  output_string[n] = '\0';
  strncpy(output_string, string, n);
  return output_string;
}
```
user: What is the c source code of the assembly code below?

```asm
<parson_strndup>:
  endbr64
  push   %r13
  xor    %r13d,%r13d
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %rdi,%rbp
  lea    0x1(%rsi),%rdi
  call   <malloc@plt>
  test   %rax,%rax
  je     L8
  movb   $0x0,(%rax,%r12,1)
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %rax,%rdi
  mov    %rax,%r13
  call   <strncpy@plt>
L8:
  mov    %r13,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
char *parson_strndup(const char *string, size_t n) {
  char *output_string = (char *)malloc(n + 1);
  if (!output_string)
    return NULL;
  output_string[n] = '\0';
  strncpy(output_string, string, n);
  return output_string;
}
```
user: What is the c source code of the assembly code below:

```asm
<readable_fd_available>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  movq   $0x0,-0x8(%rbp)
  jmp    L27
L14:
  mov    -0x8(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  test   %rax,%rax
  js     L37
  mov    $0x1,%eax
  jmp    L13
L37:
  addq   $0x1,-0x8(%rbp)
L27:
  mov    -0x8(%rbp),%rax
  cmp    -0x20(%rbp),%rax
  jb     L14
  mov    $0x0,%eax
L13:
  pop    %rbp
  ret
```

assistant: ```c
int readable_fd_available(struct pollfd *fds, size_t fd_cnt) {
  for (size_t fdidx = 0; fdidx < fd_cnt; ++fdidx) {
    if (fds[fdidx].fd >= 0) {
      return 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
<readable_fd_available>:
  endbr64
  test   %rsi,%rsi
  je     L17
  mov    $0x0,%eax
L28:
  cmpq   $0x0,(%rdi,%rax,8)
  jns    L11
  add    $0x1,%rax
  cmp    %rax,%rsi
  jne    L28
  mov    $0x0,%eax
  ret
L17:
  mov    $0x0,%eax
  ret
L11:
  mov    $0x1,%eax
  ret
```

assistant: ```c
int readable_fd_available(struct pollfd *fds, size_t fd_cnt) {
  for (size_t fdidx = 0; fdidx < fd_cnt; ++fdidx) {
    if (fds[fdidx].fd >= 0) {
      return 1;
    }
  }
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<readable_fd_available>:
  endbr64
  test   %rsi,%rsi
  je     L14
  xor    %eax,%eax
  jmp    L30
  nopl   (%rax)
L6:
  add    $0x1,%rax
  cmp    %rax,%rsi
  je     L14
L30:
  cmpq   $0x0,(%rdi,%rax,8)
  js     L6
  mov    $0x1,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
L14:
  xor    %eax,%eax
  ret
```

assistant: ```c
int readable_fd_available(struct pollfd *fds, size_t fd_cnt) {
  for (size_t fdidx = 0; fdidx < fd_cnt; ++fdidx) {
    if (fds[fdidx].fd >= 0) {
      return 1;
    }
  }
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<readable_fd_available>:
  endbr64
  test   %rsi,%rsi
  je     L3
  xor    %eax,%eax
  jmp    L34
  nopl   (%rax)
L18:
  add    $0x1,%rax
  cmp    %rax,%rsi
  je     L3
L34:
  cmpq   $0x0,(%rdi,%rax,8)
  js     L18
  mov    $0x1,%eax
  ret
  cs nopw 0x0(%rax,%rax,1)
L3:
  xor    %eax,%eax
  ret
```

assistant: ```c
int readable_fd_available(struct pollfd *fds, size_t fd_cnt) {
  for (size_t fdidx = 0; fdidx < fd_cnt; ++fdidx) {
    if (fds[fdidx].fd >= 0) {
      return 1;
    }
  }
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<substr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x24(%rbp)
  mov    %ecx,-0x28(%rbp)
  mov    -0x28(%rbp),%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x24(%rbp),%eax
  cltq
  add    %rax,-0x20(%rbp)
  cmpl   $0x0,-0x28(%rbp)
  jne    L27
  jmp    L23
L14:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x18(%rbp),%rax
  mov    %dl,(%rax)
  addq   $0x1,-0x18(%rbp)
  addq   $0x1,-0x20(%rbp)
L23:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L14
  jmp    L33
L6:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x18(%rbp),%rax
  mov    %dl,(%rax)
  addq   $0x1,-0x18(%rbp)
  addq   $0x1,-0x20(%rbp)
  subl   $0x1,-0x4(%rbp)
L27:
  cmpl   $0x0,-0x4(%rbp)
  jne    L6
L33:
  mov    -0x18(%rbp),%rax
  movb   $0x0,(%rax)
  nop
  pop    %rbp
  ret
```

assistant: ```c
void substr(char *dst, char *src, int begin, int len) {
  int tmplen = len;
  src += begin;
  if (!len) {
    while (*src) {
      *dst = *src;
      dst++;
      src++;
    }
  } else {
    while (tmplen) {
      *dst = *src;
      dst++;
      src++;
      tmplen--;
    }
  }
  *dst = 0;
}
```