ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请将以下的汇编代码转换成C语言代码：

```asm
<skip_param>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  movzbl (%rdi),%ebx
  test   %bl,%bl
  je     L20
  nopl   0x0(%rax)
L0:
  test   %bl,%bl
  js     L33
  movsbl %bl,%edi
  call   <isspace@plt>
  cmp    $0x3d,%bl
  je     L20
  test   %eax,%eax
  jne    L20
L33:
  movzbl 0x1(%rbp),%ebx
  add    $0x1,%rbp
  test   %bl,%bl
  jne    L0
L20:
  xor    %eax,%eax
  mov    %rbp,%rdi
  call   <skip_space@plt>
  cltq
  cmpb   $0x3d,(%rax)
  je     L58
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopl   0x0(%rax)
L58:
  lea    0x1(%rax),%rdi
  xor    %eax,%eax
  call   <skip_space@plt>
  add    $0x8,%rsp
  cltq
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
char *skip_param(cp)
char *cp;
{
  while (*cp && (!isascii(*cp) || (!isspace(*cp) && *cp != '='))) {
    cp++;
  }
  cp = skip_space(cp);
  if (*cp == '=') {
    cp = skip_space(cp + 1);
  }
  return (cp);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0xc(%rbp),%rax
  mov    %rax,%rsi
  lea    D16(%rip),%rax
  mov    %rax,%rdi
  call   <stat@plt>
  test   %rax,%rax
  jne    L5
  mov    -0xc(%rbp),%eax
  mov    %eax,%esi
  lea    D15(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
L5:
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L7
  call   <__stack_chk_fail@plt>
L7:
  leave
  ret
```

tool_calls: name: read_data
arguments: label: D16
type: string
name: read_data
arguments: label: D15
type: string

tool: D16: test.txt

tool: D15: sst.st_size = %d


assistant: ```c
int main(void) {
  struct stat sst;
  if (stat("test.txt", &sst) == 0) {
    printf("sst.st_size = %d\n", sst.st_size);
  }
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  lea    D11(%rip),%rdi
  call   <stat@plt>
  test   %rax,%rax
  je     L5
L10:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L27
  mov    $0x0,%eax
  add    $0x18,%rsp
  ret
L5:
  mov    0x4(%rsp),%esi
  lea    D13(%rip),%rdi
  call   <printf@plt>
  jmp    L10
L27:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: tag: D11
datatype: string
name: disassemble_data
arguments: tag: D13
datatype: string

tool: D11: test.txt

tool: D13: sst.st_size = %d


assistant: ```c
int main(void) {
  struct stat sst;
  if (stat("test.txt", &sst) == 0) {
    printf("sst.st_size = %d\n", sst.st_size);
  }
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  lea    D3(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  call   <stat@plt>
  test   %rax,%rax
  je     L22
L13:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L6
  xor    %eax,%eax
  add    $0x18,%rsp
  ret
L22:
  mov    0x4(%rsp),%esi
  lea    D11(%rip),%rdi
  call   <printf@plt>
  jmp    L13
L6:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D3
type: string
name: extract_symbolic_data
arguments: data_tag: D11
type: string

tool: D3: test.txt

tool: D11: sst.st_size = %d


assistant: ```c
int main(void) {
  struct stat sst;
  if (stat("test.txt", &sst) == 0) {
    printf("sst.st_size = %d\n", sst.st_size);
  }
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  lea    D5(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  call   <stat@plt>
  test   %rax,%rax
  je     L7
L1:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L20
  xor    %eax,%eax
  add    $0x18,%rsp
  ret
L7:
  mov    0x4(%rsp),%esi
  lea    D1(%rip),%rdi
  call   <printf@plt>
  jmp    L1
L20:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_label: D5
type_infered: string
name: retrieve_data
arguments: data_label: D1
type_infered: string

tool: D5: test.txt

tool: D1: sst.st_size = %d


assistant: ```c
int main(void) {
  struct stat sst;
  if (stat("test.txt", &sst) == 0) {
    printf("sst.st_size = %d\n", sst.st_size);
  }
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<finishSolvingmakeLowerDiag>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    -0x2c(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,-0x18(%rbp)
  jmp    L0
L74:
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x10(%rbp)
  mov    -0x18(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,-0x14(%rbp)
  jmp    L68
L31:
  mov    -0x18(%rbp),%eax
  cltq
  imul   $0x328,%rax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rax,%rdx
  mov    -0x14(%rbp),%eax
  cltq
  movsd  (%rdx,%rax,8),%xmm1
  mov    -0x14(%rbp),%eax
  cltq
  imul   $0x328,%rax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rax,%rdx
  mov    -0x2c(%rbp),%eax
  cltq
  movsd  (%rdx,%rax,8),%xmm0
  mulsd  %xmm1,%xmm0
  movsd  -0x10(%rbp),%xmm1
  addsd  %xmm1,%xmm0
  movsd  %xmm0,-0x10(%rbp)
  addl   $0x1,-0x14(%rbp)
L68:
  mov    -0x14(%rbp),%eax
  cmp    -0x2c(%rbp),%eax
  jl     L31
  mov    -0x18(%rbp),%eax
  cltq
  imul   $0x328,%rax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rax,%rdx
  mov    -0x2c(%rbp),%eax
  cltq
  movsd  (%rdx,%rax,8),%xmm0
  subsd  -0x10(%rbp),%xmm0
  mov    -0x18(%rbp),%eax
  cltq
  imul   $0x328,%rax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rax,%rdx
  mov    -0x18(%rbp),%eax
  cltq
  movsd  (%rdx,%rax,8),%xmm1
  divsd  %xmm1,%xmm0
  movsd  %xmm0,-0x8(%rbp)
  mov    -0x18(%rbp),%eax
  cltq
  imul   $0x328,%rax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rax,%rdx
  mov    -0x2c(%rbp),%eax
  cltq
  movsd  -0x8(%rbp),%xmm0
  movsd  %xmm0,(%rdx,%rax,8)
  movl   $0x0,-0x14(%rbp)
  jmp    L18
L59:
  mov    -0x18(%rbp),%eax
  cmp    -0x14(%rbp),%eax
  je     L34
  mov    -0x18(%rbp),%eax
  cltq
  imul   $0x328,%rax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rax,%rdx
  mov    -0x14(%rbp),%eax
  cltq
  pxor   %xmm0,%xmm0
  movsd  %xmm0,(%rdx,%rax,8)
  jmp    L49
L34:
  mov    -0x18(%rbp),%eax
  cltq
  imul   $0x328,%rax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rax,%rdx
  mov    -0x14(%rbp),%eax
  cltq
  movsd  D8(%rip),%xmm0
  movsd  %xmm0,(%rdx,%rax,8)
L49:
  addl   $0x1,-0x14(%rbp)
L18:
  mov    -0x14(%rbp),%eax
  cmp    -0x2c(%rbp),%eax
  jl     L59
  subl   $0x1,-0x18(%rbp)
L0:
  cmpl   $0x0,-0x18(%rbp)
  jns    L74
  nop
  nop
  pop    %rbp
  ret
```

tool_calls: name: parse_data
arguments: label: D8
datatype: byte[8]

tool: {"D8": [0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0x3f]}

assistant: ```c
void finishSolvingmakeLowerDiag(double aug_matrix[][10 * 10 + 1], int n) {
  int i, j;
  double ans, knownterms;
  for (i = n - 1; i >= 0; i--) {
    knownterms = 0;
    for (j = i + 1; j < n; j++)
      knownterms += (aug_matrix[i][j] * aug_matrix[j][n]);
    ans = (aug_matrix[i][n] - knownterms) / aug_matrix[i][i];
    aug_matrix[i][n] = ans;
    for (j = 0; j < n; j++) {
      if (i != j)
        aug_matrix[i][j] = 0;
      else
        aug_matrix[i][j] = 1;
    }
  }
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<finishSolvingmakeLowerDiag>:
  endbr64
  mov    %esi,%ecx
  sub    $0x1,%ecx
  js     L92
  push   %rbx
  movslq %esi,%rax
  imul   $0x330,%rax,%rax
  lea    -0x328(%rdi,%rax,1),%r9
  lea    -0x330(%rdi,%rax,1),%rbx
  movslq %ecx,%rax
  imul   $0x328,%rax,%rax
  lea    (%rdi,%rax,1),%r10
  mov    %esi,%r11d
  mov    %esi,%r8d
  pxor   %xmm2,%xmm2
  movsd  D4(%rip),%xmm3
  jmp    L83
L52:
  pxor   %xmm1,%xmm1
  jmp    L42
L39:
  movsd  %xmm0,(%rdx,%rax,8)
  add    $0x1,%rax
  cmp    %r8,%rax
  je     L107
L73:
  movapd %xmm2,%xmm0
  cmp    %eax,%ecx
  jne    L39
  movapd %xmm3,%xmm0
  jmp    L39
L107:
  sub    $0x1,%ecx
  sub    $0x1,%r11d
  sub    $0x328,%r9
  sub    $0x330,%rbx
  sub    $0x328,%r10
  cmp    $0xffffffff,%ecx
  je     L53
L83:
  cmp    %r11d,%esi
  jle    L52
  mov    %r10,%rdi
  movslq %r11d,%rax
  mov    %r9,%rdx
  pxor   %xmm1,%xmm1
L28:
  movsd  (%rdi,%rax,8),%xmm0
  mulsd  0x328(%rdx),%xmm0
  addsd  %xmm0,%xmm1
  add    $0x1,%rax
  add    $0x328,%rdx
  cmp    %eax,%esi
  jg     L28
L42:
  mov    %r10,%rdx
  movsd  (%r9),%xmm0
  subsd  %xmm1,%xmm0
  divsd  (%rbx),%xmm0
  movsd  %xmm0,(%r9)
  test   %esi,%esi
  jle    L107
  mov    $0x0,%eax
  jmp    L73
L53:
  pop    %rbx
  ret
L92:
  ret
```

tool_calls: name: disassemble_data
arguments: data_label: D4
type: byte[8]

tool: {"D4": [0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0x3f]}

assistant: ```c
void finishSolvingmakeLowerDiag(double aug_matrix[][10 * 10 + 1], int n) {
  int i, j;
  double ans, knownterms;
  for (i = n - 1; i >= 0; i--) {
    knownterms = 0;
    for (j = i + 1; j < n; j++)
      knownterms += (aug_matrix[i][j] * aug_matrix[j][n]);
    ans = (aug_matrix[i][n] - knownterms) / aug_matrix[i][i];
    aug_matrix[i][n] = ans;
    for (j = 0; j < n; j++) {
      if (i != j)
        aug_matrix[i][j] = 0;
      else
        aug_matrix[i][j] = 1;
    }
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<finishSolvingmakeLowerDiag>:
  endbr64
  mov    %esi,%r8d
  sub    $0x1,%esi
  js     L5
  push   %rbx
  movslq %r8d,%rbx
  movsd  D6(%rip),%xmm2
  mov    %r8d,%r10d
  imul   $0x330,%rbx,%rax
  neg    %rbx
  pxor   %xmm3,%xmm3
  shl    $0x3,%rbx
  lea    -0x328(%rdi,%rax,1),%r9
  lea    -0x330(%rdi,%rax,1),%r11
  mov    %esi,%edi
  nopl   0x0(%rax,%rax,1)
L82:
  movsd  (%r9),%xmm4
  movsd  (%r11),%xmm5
  lea    (%r9,%rbx,1),%rcx
  cmp    %r10d,%r8d
  jle    L39
  movslq %r10d,%rax
  mov    %r9,%rdx
  pxor   %xmm1,%xmm1
  nopl   0x0(%rax)
L65:
  movsd  (%rcx,%rax,8),%xmm0
  add    $0x1,%rax
  add    $0x328,%rdx
  mulsd  (%rdx),%xmm0
  addsd  %xmm0,%xmm1
  cmp    %eax,%r8d
  jg     L65
  subsd  %xmm1,%xmm4
  divsd  %xmm5,%xmm4
  movsd  %xmm4,(%r9)
L49:
  xor    %eax,%eax
  jmp    L12
  xchg   %ax,%ax
L69:
  mov    %rdx,%rax
L12:
  movapd %xmm2,%xmm0
  cmp    %eax,%esi
  je     L54
  movapd %xmm3,%xmm0
L54:
  movsd  %xmm0,(%rcx,%rax,8)
  lea    0x1(%rax),%rdx
  cmp    %rdi,%rax
  jne    L69
L38:
  sub    $0x1,%esi
  sub    $0x328,%r9
  sub    $0x330,%r11
  sub    $0x1,%r10d
  cmp    $0xffffffff,%esi
  jne    L82
  pop    %rbx
  ret
  nopl   (%rax)
L39:
  divsd  %xmm5,%xmm4
  movsd  %xmm4,(%r9)
  test   %r8d,%r8d
  jle    L38
  jmp    L49
L5:
  ret
```

tool_calls: name: read_data
arguments: label: D6
type: byte[8]

tool: {"D6": [0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0x3f]}

assistant: ```c
void finishSolvingmakeLowerDiag(double aug_matrix[][10 * 10 + 1], int n) {
  int i, j;
  double ans, knownterms;
  for (i = n - 1; i >= 0; i--) {
    knownterms = 0;
    for (j = i + 1; j < n; j++)
      knownterms += (aug_matrix[i][j] * aug_matrix[j][n]);
    ans = (aug_matrix[i][n] - knownterms) / aug_matrix[i][i];
    aug_matrix[i][n] = ans;
    for (j = 0; j < n; j++) {
      if (i != j)
        aug_matrix[i][j] = 0;
      else
        aug_matrix[i][j] = 1;
    }
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<finishSolvingmakeLowerDiag>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  mov    %esi,%r12d
  push   %rbp
  push   %rbx
  sub    $0x1,%esi
  js     L35
  movslq %r12d,%r9
  movsd  D1(%rip),%xmm5
  mov    %rdi,%r8
  xor    %ebp,%ebp
  imul   $0x330,%r9,%rax
  mov    %r12d,%r11d
  lea    (%rdi,%rax,1),%r10
  lea    -0x328(%rdi,%rax,1),%rbx
  mov    %r9,%rax
  mov    %esi,%edi
  neg    %rax
  lea    -0x328(,%rax,8),%r13
  xchg   %ax,%ax
L46:
  movsd  -0x8(%rbx),%xmm4
  mov    %r11d,%eax
  lea    0x0(%r13,%r10,1),%rcx
  movsd  -0x328(%r10),%xmm3
  cmp    %r11d,%r12d
  jle    L45
  mov    %r12d,%edx
  sub    %esi,%edx
  cmp    $0x2,%edx
  je     L57
  mov    %ebp,%eax
  mov    %r10,%rdx
  pxor   %xmm1,%xmm1
  shr    %eax
  sub    $0x1,%eax
  shl    $0x4,%rax
  lea    0x10(%rbx,%rax,1),%r14
  mov    %rbx,%rax
  nopw   0x0(%rax,%rax,1)
L10:
  movupd 0x320(%rdx),%xmm0
  movupd (%rax),%xmm6
  add    $0x10,%rax
  add    $0x650,%rdx
  movlpd -0x650(%rdx),%xmm0
  mulpd  %xmm6,%xmm0
  addsd  %xmm0,%xmm1
  unpckhpd %xmm0,%xmm0
  addsd  %xmm0,%xmm1
  cmp    %r14,%rax
  jne    L10
  mov    %ebp,%edx
  and    $0xfffffffe,%edx
  lea    (%r11,%rdx,1),%eax
  cmp    %ebp,%edx
  je     L39
L42:
  cltq
  imul   $0x328,%rax,%rdx
  add    %r8,%rdx
  movsd  (%rdx,%r9,8),%xmm0
  mulsd  (%rcx,%rax,8),%xmm0
  addsd  %xmm0,%xmm1
L39:
  subsd  %xmm1,%xmm3
  divsd  %xmm4,%xmm3
  movsd  %xmm3,-0x328(%r10)
L14:
  xor    %eax,%eax
  jmp    L50
  nopl   0x0(%rax)
L102:
  movq   $0x0,(%rcx,%rax,8)
  lea    0x1(%rax),%rdx
  cmp    %rdi,%rax
  je     L118
L99:
  mov    %rdx,%rax
L50:
  cmp    %eax,%esi
  jne    L102
  movsd  %xmm5,(%rcx,%rax,8)
  lea    0x1(%rax),%rdx
  cmp    %rdi,%rax
  jne    L99
  xchg   %ax,%ax
L118:
  sub    $0x1,%esi
  add    $0x1,%ebp
  sub    $0x1,%r11d
  sub    $0x328,%r10
  sub    $0x330,%rbx
  cmp    $0xffffffff,%esi
  jne    L46
L35:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopw   0x0(%rax,%rax,1)
L45:
  divsd  %xmm4,%xmm3
  movsd  %xmm3,-0x328(%r10)
  test   %r12d,%r12d
  jle    L118
  jmp    L14
  nopl   0x0(%rax)
L57:
  pxor   %xmm1,%xmm1
  jmp    L42
```

tool_calls: name: read_data
arguments: data_label: D1
datatype: byte[8]

tool: {"D1": [0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0x3f]}

assistant: ```c
void finishSolvingmakeLowerDiag(double aug_matrix[][10 * 10 + 1], int n) {
  int i, j;
  double ans, knownterms;
  for (i = n - 1; i >= 0; i--) {
    knownterms = 0;
    for (j = i + 1; j < n; j++)
      knownterms += (aug_matrix[i][j] * aug_matrix[j][n]);
    ans = (aug_matrix[i][n] - knownterms) / aug_matrix[i][i];
    aug_matrix[i][n] = ans;
    for (j = 0; j < n; j++) {
      if (i != j)
        aug_matrix[i][j] = 0;
      else
        aug_matrix[i][j] = 1;
    }
  }
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<fdset_add>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %edx,-0x14(%rbp)
  cmpl   $0x0,-0x14(%rbp)
  js     L11
  mov    -0x10(%rbp),%rdx
  mov    -0x14(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <FD_SET@plt>
  mov    -0x8(%rbp),%rax
  mov    (%rax),%eax
  cmp    %eax,-0x14(%rbp)
  jle    L7
  mov    -0x8(%rbp),%rax
  mov    -0x14(%rbp),%edx
  mov    %edx,(%rax)
  jmp    L7
L11:
  nop
L7:
  leave
  ret
```

assistant: ```c
void fdset_add(int *fdpmax, fd_set *fdset, int fd) {
  if (fd < 0)
    return;
  FD_SET(fd, fdset);
  if (*fdpmax < fd)
    *fdpmax = fd;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<fdset_add>:
  endbr64
  test   %edx,%edx
  js     L16
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  mov    %edx,%ebx
  mov    %edx,%edi
  call   <FD_SET@plt>
  cmp    %ebx,0x0(%rbp)
  jge    L8
  mov    %ebx,0x0(%rbp)
L8:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L16:
  ret
```

assistant: ```c
void fdset_add(int *fdpmax, fd_set *fdset, int fd) {
  if (fd < 0)
    return;
  FD_SET(fd, fdset);
  if (*fdpmax < fd)
    *fdpmax = fd;
}
```
user: Translate the below assembly code into C programming language:

```asm
<fdset_add>:
  endbr64
  test   %edx,%edx
  js     L6
  push   %rbp
  mov    %rdi,%rbp
  mov    %edx,%edi
  push   %rbx
  mov    %edx,%ebx
  sub    $0x8,%rsp
  call   <FD_SET@plt>
  cmp    %ebx,0x0(%rbp)
  jge    L2
  mov    %ebx,0x0(%rbp)
L2:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopl   0x0(%rax)
L6:
  ret
```

assistant: ```c
void fdset_add(int *fdpmax, fd_set *fdset, int fd) {
  if (fd < 0)
    return;
  FD_SET(fd, fdset);
  if (*fdpmax < fd)
    *fdpmax = fd;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<fdset_add>:
  endbr64
  test   %edx,%edx
  js     L2
  push   %rbp
  mov    %rdi,%rbp
  mov    %edx,%edi
  push   %rbx
  mov    %edx,%ebx
  sub    $0x8,%rsp
  call   <FD_SET@plt>
  cmp    %ebx,0x0(%rbp)
  jge    L12
  mov    %ebx,0x0(%rbp)
L12:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopl   0x0(%rax)
L2:
  ret
```

assistant: ```c
void fdset_add(int *fdpmax, fd_set *fdset, int fd) {
  if (fd < 0)
    return;
  FD_SET(fd, fdset);
  if (*fdpmax < fd)
    *fdpmax = fd;
}
```
user: What is the c source code of the assembly code below?

```asm
<scan>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,-0x1(%rbp)
  movsbl -0x1(%rbp),%eax
  sub    $0x30,%eax
  cmp    $0x9,%eax
  ja     L40
  nop
  addq   $0x1,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,-0x1(%rbp)
  jmp    L33
L8:
  nop
  mov    -0x18(%rbp),%rax
  jmp    L59
L40:
  nop
  addq   $0x1,-0x18(%rbp)
  mov    $0x0,%eax
  jmp    L59
L57:
  addq   $0x1,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,-0x1(%rbp)
L33:
  movsbl -0x1(%rbp),%eax
  sub    $0x30,%eax
  cmp    $0x9,%eax
  ja     L8
  jmp    L57
L59:
  pop    %rbp
  ret
```

assistant: ```c
char *scan(char *p) {
  char *q;
  {
    char yych;
    if ((p - p) < 2)
      ;
    yych = *p;
    switch (yych) {
    case '0':
    case '1':
    case '2':
    case '3':
    case '4':
    case '5':
    case '6':
    case '7':
    case '8':
    case '9':
      goto yy26;
    default:
      goto yy28;
    }
  yy26:
    ++p;
    yych = *p;
    goto yy31;
  yy27 : { return p; }
  yy28:
    ++p;
    { return ((char *)0); }
  yy30:
    ++p;
    if (p <= p)
      ;
    yych = *p;
  yy31:
    switch (yych) {
    case '0':
    case '1':
    case '2':
    case '3':
    case '4':
    case '5':
    case '6':
    case '7':
    case '8':
    case '9':
      goto yy30;
    default:
      goto yy27;
    }
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<scan>:
  endbr64
  movsbl (%rdi),%eax
  sub    $0x30,%eax
  mov    $0x0,%edx
  cmp    $0x9,%eax
  ja     L26
  lea    0x1(%rdi),%rdx
  movsbl 0x1(%rdi),%eax
  sub    $0x30,%eax
  cmp    $0x9,%eax
  ja     L26
L6:
  add    $0x1,%rdx
  movsbl (%rdx),%eax
  sub    $0x30,%eax
  cmp    $0x9,%eax
  jbe    L6
L26:
  mov    %rdx,%rax
  ret
```

assistant: ```c
char *scan(char *p) {
  char *q;
  {
    char yych;
    if ((p - p) < 2)
      ;
    yych = *p;
    switch (yych) {
    case '0':
    case '1':
    case '2':
    case '3':
    case '4':
    case '5':
    case '6':
    case '7':
    case '8':
    case '9':
      goto yy26;
    default:
      goto yy28;
    }
  yy26:
    ++p;
    yych = *p;
    goto yy31;
  yy27 : { return p; }
  yy28:
    ++p;
    { return ((char *)0); }
  yy30:
    ++p;
    if (p <= p)
      ;
    yych = *p;
  yy31:
    switch (yych) {
    case '0':
    case '1':
    case '2':
    case '3':
    case '4':
    case '5':
    case '6':
    case '7':
    case '8':
    case '9':
      goto yy30;
    default:
      goto yy27;
    }
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<scan>:
  endbr64
  movsbl (%rdi),%eax
  xor    %r8d,%r8d
  sub    $0x30,%eax
  cmp    $0x9,%eax
  ja     L24
  movsbl 0x1(%rdi),%eax
  lea    0x1(%rdi),%r8
  sub    $0x30,%eax
  cmp    $0x9,%eax
  ja     L24
  nopw   0x0(%rax,%rax,1)
L5:
  movsbl 0x1(%r8),%eax
  add    $0x1,%r8
  sub    $0x30,%eax
  cmp    $0x9,%eax
  jbe    L5
L24:
  mov    %r8,%rax
  ret
```

assistant: ```c
char *scan(char *p) {
  char *q;
  {
    char yych;
    if ((p - p) < 2)
      ;
    yych = *p;
    switch (yych) {
    case '0':
    case '1':
    case '2':
    case '3':
    case '4':
    case '5':
    case '6':
    case '7':
    case '8':
    case '9':
      goto yy26;
    default:
      goto yy28;
    }
  yy26:
    ++p;
    yych = *p;
    goto yy31;
  yy27 : { return p; }
  yy28:
    ++p;
    { return ((char *)0); }
  yy30:
    ++p;
    if (p <= p)
      ;
    yych = *p;
  yy31:
    switch (yych) {
    case '0':
    case '1':
    case '2':
    case '3':
    case '4':
    case '5':
    case '6':
    case '7':
    case '8':
    case '9':
      goto yy30;
    default:
      goto yy27;
    }
  }
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<scan>:
  endbr64
  movsbl (%rdi),%eax
  xor    %r8d,%r8d
  sub    $0x30,%eax
  cmp    $0x9,%eax
  ja     L2
  movsbl 0x1(%rdi),%eax
  lea    0x1(%rdi),%r8
  sub    $0x30,%eax
  cmp    $0x9,%eax
  ja     L2
  nopw   0x0(%rax,%rax,1)
L3:
  movsbl 0x1(%r8),%eax
  add    $0x1,%r8
  sub    $0x30,%eax
  cmp    $0x9,%eax
  jbe    L3
L2:
  mov    %r8,%rax
  ret
```

assistant: ```c
char *scan(char *p) {
  char *q;
  {
    char yych;
    if ((p - p) < 2)
      ;
    yych = *p;
    switch (yych) {
    case '0':
    case '1':
    case '2':
    case '3':
    case '4':
    case '5':
    case '6':
    case '7':
    case '8':
    case '9':
      goto yy26;
    default:
      goto yy28;
    }
  yy26:
    ++p;
    yych = *p;
    goto yy31;
  yy27 : { return p; }
  yy28:
    ++p;
    { return ((char *)0); }
  yy30:
    ++p;
    if (p <= p)
      ;
    yych = *p;
  yy31:
    switch (yych) {
    case '0':
    case '1':
    case '2':
    case '3':
    case '4':
    case '5':
    case '6':
    case '7':
    case '8':
    case '9':
      goto yy30;
    default:
      goto yy27;
    }
  }
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<sincos>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  movsd  %xmm0,-0x18(%rbp)
  mov    %rdi,-0x20(%rbp)
  mov    %rsi,-0x28(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x10(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rdi
  movq   %rax,%xmm0
  call   <__ocml_sincos_f64@plt>
  movq   %xmm0,%rax
  mov    -0x20(%rbp),%rdx
  mov    %rax,(%rdx)
  movsd  -0x10(%rbp),%xmm0
  mov    -0x28(%rbp),%rax
  movsd  %xmm0,(%rax)
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L9
  call   <__stack_chk_fail@plt>
L9:
  leave
  ret
```

assistant: ```c
void sincos(double x, double *sptr, double *cptr) {
  double tmp;
  *sptr = __ocml_sincos_f64(x, (__attribute__((address_space(5))) double *)&tmp);
  *cptr = tmp;
}
```
user: What is the c source code of the assembly code below:

```asm
<sincos>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,%rbp
  mov    %rsi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  call   <__ocml_sincos_f64@plt>
  movsd  %xmm0,0x0(%rbp)
  movsd  (%rsp),%xmm0
  movsd  %xmm0,(%rbx)
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L7
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  ret
L7:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void sincos(double x, double *sptr, double *cptr) {
  double tmp;
  *sptr = __ocml_sincos_f64(x, (__attribute__((address_space(5))) double *)&tmp);
  *cptr = tmp;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<sincos>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  call   <__ocml_sincos_f64@plt>
  movsd  %xmm0,0x0(%rbp)
  movsd  (%rsp),%xmm0
  movsd  %xmm0,(%rbx)
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L0
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  ret
L0:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void sincos(double x, double *sptr, double *cptr) {
  double tmp;
  *sptr = __ocml_sincos_f64(x, (__attribute__((address_space(5))) double *)&tmp);
  *cptr = tmp;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<sincos>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdi
  call   <__ocml_sincos_f64@plt>
  movsd  %xmm0,0x0(%rbp)
  movsd  (%rsp),%xmm0
  movsd  %xmm0,(%rbx)
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L1
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  ret
L1:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void sincos(double x, double *sptr, double *cptr) {
  double tmp;
  *sptr = __ocml_sincos_f64(x, (__attribute__((address_space(5))) double *)&tmp);
  *cptr = tmp;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<foo>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  je     L3
  ud2
L3:
  nop
  pop    %rbp
  ret
```

assistant: ```c
void foo(int c) {
  if (c)
    __builtin_trap();
}
```