ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Converte this assembly snippet into its equivalent C code:

```asm
<usage>:
  endbr64
  sub    $0x8,%rsp
  mov    %rdi,%rsi
  test   %rdi,%rdi
  lea    D17(%rip),%rax
  lea    D28(%rip),%rdi
  cmove  %rax,%rsi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D5(%rip),%rdi
  add    $0x8,%rsp
  jmp    1060 <puts@plt>
```

tool_calls: name: parse_data
arguments: label: D17
data_type: string
name: parse_data
arguments: label: D28
data_type: string
name: parse_data
arguments: label: D5
data_type: string

tool: D17: ./thisBin

tool: D28: Usage:
%s <sub-command> <required arguments ...> [optional arguments ...]

tool: D5: 

sub-commands:
veg-class-set <classNum> <className>
veg-class-ls [--code=...]
veg-class-rm <classNum>
veg-info-set <vegName> <classNum> <neuInfoStr>
veg-info-ls [--name-keyword=...] [--neu-keyword=...] [--class-code=...]
veg-info-rm <vegName>
job-set <jobNum> <vegNum> <area> <weight> <year>
job-ls [--veg-name-keyword=...] [--veg-name=...] [--year=...]
job-rm <jobNum>

job-report-by-veg-class #print className+sumArea+sumWeight
job-report-by-year-and-veg-name <yearBegin> <yearEnd(NOT included)> #print vegName+className+sumArea+sumWeight(decrease)
check-weight-by-veg-class <classNum> #print sumWeight
Please use veg-info-ls to print veg info by neu keyword.


assistant: ```c
void usage(const char *exeName) {
  if (exeName == NULL)
    exeName = "./thisBin";
  printf("Usage:"
         "\n"
         "%s <sub-command> <required arguments ...> [optional arguments ...]",
         exeName);
  printf("\n"
         "\n"
         "sub-commands:"
         "\n"
         "veg-class-set <classNum> <className>"
         "\n"
         "veg-class-ls [--code=...]"
         "\n"
         "veg-class-rm <classNum>"
         "\n"
         "veg-info-set <vegName> <classNum> <neuInfoStr>"
         "\n"
         "veg-info-ls [--name-keyword=...] [--neu-keyword=...] [--class-code=...]"
         "\n"
         "veg-info-rm <vegName>"
         "\n"
         "job-set <jobNum> <vegNum> <area> <weight> <year>"
         "\n"
         "job-ls [--veg-name-keyword=...] [--veg-name=...] [--year=...]"
         "\n"
         "job-rm <jobNum>"
         "\n"
         "\n"
         "job-report-by-veg-class #print className+sumArea+sumWeight"
         "\n"
         "job-report-by-year-and-veg-name <yearBegin> <yearEnd(NOT included)> #print vegName+className+sumArea+sumWeight(decrease)"
         "\n"
         "check-weight-by-veg-class <classNum> #print sumWeight"
         "\n"
         "Please use veg-info-ls to print veg info by neu keyword."
         "\n"
         "\n");
  return;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<usage>:
  endbr64
  sub    $0x8,%rsp
  mov    %rdi,%rsi
  test   %rdi,%rdi
  lea    D19(%rip),%rax
  lea    D24(%rip),%rdi
  cmove  %rax,%rsi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D7(%rip),%rdi
  add    $0x8,%rsp
  jmp    1060 <puts@plt>
```

tool_calls: name: read_data
arguments: data_label: D19
data_type: string
name: read_data
arguments: data_label: D24
data_type: string
name: read_data
arguments: data_label: D7
data_type: string

tool: D19: ./thisBin

tool: D24: Usage:
%s <sub-command> <required arguments ...> [optional arguments ...]

tool: D7: 

sub-commands:
veg-class-set <classNum> <className>
veg-class-ls [--code=...]
veg-class-rm <classNum>
veg-info-set <vegName> <classNum> <neuInfoStr>
veg-info-ls [--name-keyword=...] [--neu-keyword=...] [--class-code=...]
veg-info-rm <vegName>
job-set <jobNum> <vegNum> <area> <weight> <year>
job-ls [--veg-name-keyword=...] [--veg-name=...] [--year=...]
job-rm <jobNum>

job-report-by-veg-class #print className+sumArea+sumWeight
job-report-by-year-and-veg-name <yearBegin> <yearEnd(NOT included)> #print vegName+className+sumArea+sumWeight(decrease)
check-weight-by-veg-class <classNum> #print sumWeight
Please use veg-info-ls to print veg info by neu keyword.


assistant: ```c
void usage(const char *exeName) {
  if (exeName == NULL)
    exeName = "./thisBin";
  printf("Usage:"
         "\n"
         "%s <sub-command> <required arguments ...> [optional arguments ...]",
         exeName);
  printf("\n"
         "\n"
         "sub-commands:"
         "\n"
         "veg-class-set <classNum> <className>"
         "\n"
         "veg-class-ls [--code=...]"
         "\n"
         "veg-class-rm <classNum>"
         "\n"
         "veg-info-set <vegName> <classNum> <neuInfoStr>"
         "\n"
         "veg-info-ls [--name-keyword=...] [--neu-keyword=...] [--class-code=...]"
         "\n"
         "veg-info-rm <vegName>"
         "\n"
         "job-set <jobNum> <vegNum> <area> <weight> <year>"
         "\n"
         "job-ls [--veg-name-keyword=...] [--veg-name=...] [--year=...]"
         "\n"
         "job-rm <jobNum>"
         "\n"
         "\n"
         "job-report-by-veg-class #print className+sumArea+sumWeight"
         "\n"
         "job-report-by-year-and-veg-name <yearBegin> <yearEnd(NOT included)> #print vegName+className+sumArea+sumWeight(decrease)"
         "\n"
         "check-weight-by-veg-class <classNum> #print sumWeight"
         "\n"
         "Please use veg-info-ls to print veg info by neu keyword."
         "\n"
         "\n");
  return;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<crosscheck>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,-0x8(%rsp)
  mov    %rsi,%rbp
  mov    %rdx,%r12
  mov    %ecx,%ebx
  mov    %r8d,%r14d
  mov    0x40(%rsp),%r11
  test   %r8d,%r8d
  jle    L10
  mov    %r11,%rdi
  mov    0x38(%rsp),%rcx
  lea    -0x1(%r8),%eax
  lea    0x8(%rcx,%rax,8),%r8
  mov    %r14d,%esi
  shl    $0x3,%rsi
L69:
  movq   $0x0,(%rdi)
  mov    $0x0,%eax
L45:
  mov    (%rcx),%rdx
  movq   $0x0,(%rdx,%rax,1)
  add    $0x8,%rax
  cmp    %rsi,%rax
  jne    L45
  add    $0x8,%rdi
  add    $0x8,%rcx
  cmp    %r8,%rcx
  jne    L69
L10:
  test   %ebx,%ebx
  jle    L27
  movslq %r9d,%r13
  lea    0x0(,%r13,4),%r15
  shl    $0x3,%r13
  mov    %ebx,%ebx
  lea    -0x1(%r14),%r8d
  lea    0x8(,%r8,8),%rdi
  mov    $0x0,%r10d
  jmp    L33
L91:
  mov    %rax,%r9
L76:
  movsd  (%rsi,%r9,8),%xmm1
  movapd %xmm2,%xmm0
  mulsd  %xmm1,%xmm0
  addsd  (%r11,%r9,8),%xmm0
  movsd  %xmm0,(%r11,%r9,8)
  mov    $0x0,%eax
L25:
  mov    %rax,%rdx
  add    (%rcx),%rdx
  movapd %xmm1,%xmm0
  mulsd  (%rsi,%rax,1),%xmm0
  addsd  (%rdx),%xmm0
  movsd  %xmm0,(%rdx)
  add    $0x8,%rax
  cmp    %rax,%rdi
  jne    L25
  lea    0x1(%r9),%rax
  add    $0x8,%rcx
  cmp    %r9,%r8
  jne    L91
L82:
  add    $0x1,%r10
  cmp    %rbx,%r10
  je     L27
L33:
  mov    (%r12,%r10,8),%rax
  cmpl   $0x0,(%rax,%r15,1)
  je     L82
  mov    -0x8(%rsp),%rax
  mov    (%rax,%r10,8),%rsi
  mov    0x0(%rbp,%r10,8),%rax
  movsd  (%rax,%r13,1),%xmm2
  test   %r14d,%r14d
  jle    L82
  mov    0x38(%rsp),%rcx
  mov    $0x0,%r9d
  jmp    L76
L27:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void crosscheck(double **x, double **ystar, int **ok, int n, int q, int j, double **xpx, double *xpy) {
  int i, k, l, okij;
  double *xrow, ystarij, xk, xl;
  for (k = 0; k < q; k++) {
    xpy[k] = 0.0;
    for (l = 0; l < q; l++) {
      xpx[k][l] = 0.0;
    }
  }
  for (i = 0; i < n; i++) {
    okij = ok[i][j];
    if (okij) {
      xrow = x[i];
      ystarij = ystar[i][j];
      for (k = 0; k < q; k++) {
        xk = xrow[k];
        xpy[k] += xk * ystarij;
        for (l = 0; l < q; l++) {
          xl = xrow[l];
          xpx[k][l] += xk * xl;
        }
      }
    }
  }
  return;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<crosscheck>:
  endbr64
  push   %r15
  mov    %rdx,%r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,0x8(%rsp)
  mov    0x60(%rsp),%r14
  mov    %rsi,0x10(%rsp)
  mov    0x68(%rsp),%r12
  mov    %ecx,0x4(%rsp)
  mov    %r8d,0x18(%rsp)
  mov    %r9d,0x1c(%rsp)
  test   %r8d,%r8d
  jle    L77
  movslq %r8d,%rbp
  xor    %ebx,%ebx
  lea    0x0(,%rbp,8),%r13
  nopl   0x0(%rax)
L84:
  movq   $0x0,(%r12,%rbx,8)
  mov    (%r14,%rbx,8),%rdi
  mov    %r13,%rdx
  xor    %esi,%esi
  add    $0x1,%rbx
  call   <memset@plt>
  cmp    %rbx,%rbp
  jne    L84
L77:
  movslq 0x4(%rsp),%rbx
  test   %ebx,%ebx
  jle    L13
  movslq 0x1c(%rsp),%rax
  movslq 0x18(%rsp),%rdi
  xor    %r11d,%r11d
  mov    0x8(%rsp),%r9
  mov    0x10(%rsp),%r10
  lea    0x0(,%rax,4),%rbp
  lea    0x0(,%rax,8),%rcx
  mov    %rdi,%r13
  jmp    L25
  nopl   0x0(%rax,%rax,1)
L48:
  add    $0x1,%r11
  cmp    %r11,%rbx
  je     L13
L25:
  mov    (%r15,%r11,8),%rax
  mov    (%rax,%rbp,1),%eax
  test   %eax,%eax
  je     L48
  mov    (%r10,%r11,8),%rax
  mov    (%r9,%r11,8),%rsi
  movsd  (%rax,%rcx,1),%xmm2
  test   %r13d,%r13d
  jle    L48
  xor    %r8d,%r8d
  nopl   0x0(%rax)
L26:
  movsd  (%rsi,%r8,8),%xmm1
  movapd %xmm2,%xmm0
  mov    (%r14,%r8,8),%rdx
  xor    %eax,%eax
  mulsd  %xmm1,%xmm0
  addsd  (%r12,%r8,8),%xmm0
  movsd  %xmm0,(%r12,%r8,8)
L50:
  movsd  (%rsi,%rax,8),%xmm0
  mulsd  %xmm1,%xmm0
  addsd  (%rdx,%rax,8),%xmm0
  movsd  %xmm0,(%rdx,%rax,8)
  add    $0x1,%rax
  cmp    %rdi,%rax
  jne    L50
  add    $0x1,%r8
  cmp    %r8,%rdi
  jne    L26
  add    $0x1,%r11
  cmp    %r11,%rbx
  jne    L25
L13:
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void crosscheck(double **x, double **ystar, int **ok, int n, int q, int j, double **xpx, double *xpy) {
  int i, k, l, okij;
  double *xrow, ystarij, xk, xl;
  for (k = 0; k < q; k++) {
    xpy[k] = 0.0;
    for (l = 0; l < q; l++) {
      xpx[k][l] = 0.0;
    }
  }
  for (i = 0; i < n; i++) {
    okij = ok[i][j];
    if (okij) {
      xrow = x[i];
      ystarij = ystar[i][j];
      for (k = 0; k < q; k++) {
        xk = xrow[k];
        xpy[k] += xk * ystarij;
        for (l = 0; l < q; l++) {
          xl = xrow[l];
          xpx[k][l] += xk * xl;
        }
      }
    }
  }
  return;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<_strdup>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    $0x1,%rax
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  je     L3
  mov    -0x18(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  jmp    L10
L3:
  lea    D5(%rip),%rax
  mov    %rax,%rdi
  call   <perror@plt>
L10:
  mov    -0x8(%rbp),%rax
  leave
  ret
```

tool_calls: name: parse_data
arguments: data_tag: D5
type_infered: string

tool: D5: Error -> strdup(..) can't malloc

assistant: ```c
char *_strdup(const char *str) {
  char *dup = malloc(strlen(str) + 1);
  if (dup)
    strcpy(dup, str);
  else
    perror("Error -> strdup(..) can't malloc");
  return dup;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<_strdup>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  call   <strlen@plt>
  lea    0x1(%rax),%rdi
  call   <malloc@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L1
  mov    %rbp,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
L9:
  mov    %rbx,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L1:
  lea    D5(%rip),%rdi
  call   <perror@plt>
  jmp    L9
```

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

tool: D5: Error -> strdup(..) can't malloc

assistant: ```c
char *_strdup(const char *str) {
  char *dup = malloc(strlen(str) + 1);
  if (dup)
    strcpy(dup, str);
  else
    perror("Error -> strdup(..) can't malloc");
  return dup;
}
```
user: Translate the below assembly code into C programming language:

```asm
<_strdup>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x8,%rsp
  call   <strlen@plt>
  lea    0x1(%rax),%rdi
  call   <malloc@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L17
  mov    %rbp,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
L1:
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  ret
L17:
  lea    D3(%rip),%rdi
  call   <perror@plt>
  jmp    L1
```

tool_calls: name: read_data
arguments: tag: D3
type_infered: string

tool: D3: Error -> strdup(..) can't malloc

assistant: ```c
char *_strdup(const char *str) {
  char *dup = malloc(strlen(str) + 1);
  if (dup)
    strcpy(dup, str);
  else
    perror("Error -> strdup(..) can't malloc");
  return dup;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<_strdup>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x8,%rsp
  call   <strlen@plt>
  lea    0x1(%rax),%rdi
  call   <malloc@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L13
  mov    %rbp,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
L3:
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  ret
L13:
  lea    D6(%rip),%rdi
  call   <perror@plt>
  jmp    L3
```

tool_calls: name: parse_data
arguments: data_tag: D6
datatype: string

tool: D6: Error -> strdup(..) can't malloc

assistant: ```c
char *_strdup(const char *str) {
  char *dup = malloc(strlen(str) + 1);
  if (dup)
    strcpy(dup, str);
  else
    perror("Error -> strdup(..) can't malloc");
  return dup;
}
```
user: Translate the below assembly code into C programming language:

```asm
<findStringPosition>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  movl   $0x0,-0x18(%rbp)
  jmp    L30
L13:
  movl   $0x0,-0x14(%rbp)
  jmp    L36
L15:
  addl   $0x1,-0x14(%rbp)
L36:
  mov    -0x18(%rbp),%edx
  mov    -0x14(%rbp),%eax
  add    %edx,%eax
  movslq %eax,%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%edx
  mov    -0x14(%rbp),%eax
  movslq %eax,%rcx
  mov    -0x28(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  jne    L59
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  cmp    %eax,-0x14(%rbp)
  jl     L15
L59:
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  cmp    %eax,-0x14(%rbp)
  jne    L25
  mov    -0x18(%rbp),%eax
  jmp    L38
L25:
  addl   $0x1,-0x18(%rbp)
L30:
  mov    -0x30(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,%ebx
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,%edx
  mov    %ebx,%eax
  sub    %edx,%eax
  cmp    %eax,-0x18(%rbp)
  jle    L13
  mov    $0xffffffff,%eax
L38:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
int findStringPosition(char *token, char *s) {
  int i, j;
  for (i = 0; i < strlen(s) - strlen(token) + 1; i++) {
    j = 0;
    while (s[i + j] == token[j] && j < strlen(token)) {
      j++;
    }
    if (j == strlen(token)) {
      return i;
    }
  }
  return -1;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<findStringPosition>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,%rbp
  mov    %rsi,0x8(%rsp)
  mov    %rsi,%r14
  mov    $0x0,%r15d
  jmp    L25
L21:
  mov    %rbp,%rdi
  call   <strlen@plt>
  add    $0x1,%r14
  cmp    %r12d,%eax
  je     L64
  add    $0x1,%r15d
L25:
  mov    0x8(%rsp),%rdi
  call   <strlen@plt>
  mov    %eax,%ebx
  mov    %rbp,%rdi
  call   <strlen@plt>
  sub    %eax,%ebx
  cmp    %r15d,%ebx
  jl     L19
  mov    %r14,%r13
  mov    $0x0,%ebx
  movzbl 0x0(%rbp),%eax
  mov    $0x0,%r12d
  cmp    %al,(%r14)
  jne    L21
L22:
  mov    %ebx,%r12d
  mov    %rbp,%rdi
  call   <strlen@plt>
  cmp    %ebx,%eax
  jle    L21
  lea    0x1(%rbx),%r12d
  movzbl 0x1(%r13,%rbx,1),%eax
  add    $0x1,%rbx
  cmp    0x0(%rbp,%rbx,1),%al
  je     L22
  jmp    L21
L19:
  mov    $0xffffffff,%r15d
L64:
  mov    %r15d,%eax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
int findStringPosition(char *token, char *s) {
  int i, j;
  for (i = 0; i < strlen(s) - strlen(token) + 1; i++) {
    j = 0;
    while (s[i + j] == token[j] && j < strlen(token)) {
      j++;
    }
    if (j == strlen(token)) {
      return i;
    }
  }
  return -1;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<findStringPosition>:
  endbr64
  push   %r15
  mov    %rsi,%r15
  push   %r14
  xor    %r14d,%r14d
  push   %r13
  mov    %rsi,%r13
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  xchg   %ax,%ax
L61:
  mov    %r15,%rdi
  call   <strlen@plt>
  mov    %rbp,%rdi
  mov    %eax,%ebx
  call   <strlen@plt>
  sub    %eax,%ebx
  cmp    %r14d,%ebx
  jl     L21
  movzbl 0x0(%rbp),%eax
  xor    %ebx,%ebx
  xor    %r12d,%r12d
  cmp    %al,0x0(%r13)
  je     L62
  jmp    L36
  nopw   0x0(%rax,%rax,1)
L49:
  movzbl 0x1(%r13,%rbx,1),%eax
  lea    0x1(%rbx),%r12d
  add    $0x1,%rbx
  cmp    0x0(%rbp,%rbx,1),%al
  jne    L36
L62:
  mov    %rbp,%rdi
  mov    %ebx,%r12d
  call   <strlen@plt>
  cmp    %ebx,%eax
  jg     L49
L36:
  mov    %rbp,%rdi
  add    $0x1,%r13
  call   <strlen@plt>
  cmp    %r12d,%eax
  je     L2
  add    $0x1,%r14d
  jmp    L61
L21:
  mov    $0xffffffff,%r14d
L2:
  add    $0x8,%rsp
  mov    %r14d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
int findStringPosition(char *token, char *s) {
  int i, j;
  for (i = 0; i < strlen(s) - strlen(token) + 1; i++) {
    j = 0;
    while (s[i + j] == token[j] && j < strlen(token)) {
      j++;
    }
    if (j == strlen(token)) {
      return i;
    }
  }
  return -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
<findStringPosition>:
  endbr64
  push   %r15
  mov    %rsi,%r15
  push   %r14
  xor    %r14d,%r14d
  push   %r13
  mov    %rsi,%r13
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  xchg   %ax,%ax
L68:
  mov    %r15,%rdi
  call   <strlen@plt>
  mov    %rbp,%rdi
  mov    %eax,%ebx
  call   <strlen@plt>
  sub    %eax,%ebx
  cmp    %r14d,%ebx
  jl     L6
  movzbl 0x0(%rbp),%eax
  xor    %ebx,%ebx
  xor    %r12d,%r12d
  cmp    %al,0x0(%r13)
  je     L15
  jmp    L64
  nopw   0x0(%rax,%rax,1)
L40:
  movzbl 0x1(%r13,%rbx,1),%eax
  lea    0x1(%rbx),%r12d
  add    $0x1,%rbx
  cmp    0x0(%rbp,%rbx,1),%al
  jne    L64
L15:
  mov    %rbp,%rdi
  mov    %ebx,%r12d
  call   <strlen@plt>
  cmp    %ebx,%eax
  jg     L40
L64:
  mov    %rbp,%rdi
  add    $0x1,%r13
  call   <strlen@plt>
  cmp    %r12d,%eax
  je     L52
  add    $0x1,%r14d
  jmp    L68
L6:
  mov    $0xffffffff,%r14d
L52:
  add    $0x8,%rsp
  mov    %r14d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
int findStringPosition(char *token, char *s) {
  int i, j;
  for (i = 0; i < strlen(s) - strlen(token) + 1; i++) {
    j = 0;
    while (s[i + j] == token[j] && j < strlen(token)) {
      j++;
    }
    if (j == strlen(token)) {
      return i;
    }
  }
  return -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
<_sighold>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0xc(%rbp),%rax
  mov    %rax,%rdi
  call   <sigemptyset@plt>
  mov    -0x14(%rbp),%edx
  lea    -0xc(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <sigaddset@plt>
  mov    D2(%rip),%rax
  mov    (%rax),%eax
  lea    -0xc(%rbp),%rcx
  mov    $0x0,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <sigprocmask@plt>
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L1
  call   <__stack_chk_fail@plt>
L1:
  leave
  ret
```

assistant: ```c
int _sighold(int sig) {
  sigset_t block_mask;
  sigemptyset(&block_mask);
  sigaddset(&block_mask, sig);
  return sigprocmask(SIG_BLOCK, &block_mask, NULL);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<_sighold>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %edi,%ebp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rbx
  mov    %rbx,%rdi
  call   <sigemptyset@plt>
  mov    %ebp,%esi
  mov    %rbx,%rdi
  call   <sigaddset@plt>
  mov    $0x0,%edx
  mov    %rbx,%rsi
  mov    D9(%rip),%rax
  mov    (%rax),%edi
  call   <sigprocmask@plt>
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L5
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  ret
L5:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int _sighold(int sig) {
  sigset_t block_mask;
  sigemptyset(&block_mask);
  sigaddset(&block_mask, sig);
  return sigprocmask(SIG_BLOCK, &block_mask, NULL);
}
```
user: What is the c source code of the assembly code below?

```asm
<_sighold>:
  endbr64
  push   %r12
  mov    %edi,%r12d
  push   %rbp
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rbp
  mov    %rbp,%rdi
  call   <sigemptyset@plt>
  mov    %r12d,%esi
  mov    %rbp,%rdi
  call   <sigaddset@plt>
  mov    D3(%rip),%rax
  xor    %edx,%edx
  mov    %rbp,%rsi
  mov    (%rax),%edi
  call   <sigprocmask@plt>
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L8
  add    $0x18,%rsp
  pop    %rbp
  pop    %r12
  ret
L8:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int _sighold(int sig) {
  sigset_t block_mask;
  sigemptyset(&block_mask);
  sigaddset(&block_mask, sig);
  return sigprocmask(SIG_BLOCK, &block_mask, NULL);
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<_sighold>:
  endbr64
  push   %r12
  mov    %edi,%r12d
  push   %rbp
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rbp
  mov    %rbp,%rdi
  call   <sigemptyset@plt>
  mov    %r12d,%esi
  mov    %rbp,%rdi
  call   <sigaddset@plt>
  mov    D9(%rip),%rax
  xor    %edx,%edx
  mov    %rbp,%rsi
  mov    (%rax),%edi
  call   <sigprocmask@plt>
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L4
  add    $0x18,%rsp
  pop    %rbp
  pop    %r12
  ret
L4:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int _sighold(int sig) {
  sigset_t block_mask;
  sigemptyset(&block_mask);
  sigaddset(&block_mask, sig);
  return sigprocmask(SIG_BLOCK, &block_mask, NULL);
}
```