ylfeng/ReF-Decompile-dataset huggingface dataset:
user: What would the C source look like for the assembly code provided here?

```asm
<alloc_ctl>:
  endbr64
  push   %rbx
  lea    0x18(%rdi),%rbx
  mov    %rbx,%rdi
  call   <zalloc@plt>
  test   %rax,%rax
  je     L9
  mov    D29(%rip),%rcx
  mov    0x10(%rax),%rdx
  mov    (%rcx),%ecx
  mov    %ecx,(%rdx)
  mov    D10(%rip),%rcx
  mov    (%rcx),%ecx
  mov    %ecx,0x4(%rdx)
  mov    D12(%rip),%rcx
  mov    (%rcx),%ecx
  mov    %ecx,0x8(%rdx)
  mov    %rbx,(%rax)
  movl   $0x18,0x8(%rax)
L9:
  pop    %rbx
  ret
```

assistant: ```c
struct dm_ioctl *alloc_ctl(size_t payload_size) {
  size_t len = sizeof(struct dm_ioctl) + payload_size;
  struct dm_ioctl *ctl = zalloc(len);
  if (ctl) {
    ctl->version[0] = DM_VERSION_MAJOR;
    ctl->version[1] = DM_VERSION_MINOR;
    ctl->version[2] = DM_VERSION_PATCHLEVEL;
    ctl->data_size = len;
    ctl->data_start = sizeof(*ctl);
  }
  return ctl;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<alloc_ctl>:
  endbr64
  push   %rbx
  lea    0x18(%rdi),%rbx
  mov    %rbx,%rdi
  call   <zalloc@plt>
  test   %rax,%rax
  je     L1
  mov    D26(%rip),%rcx
  mov    0x10(%rax),%rdx
  mov    (%rcx),%ecx
  mov    %ecx,(%rdx)
  mov    D4(%rip),%rcx
  mov    (%rcx),%ecx
  mov    %ecx,0x4(%rdx)
  mov    D5(%rip),%rcx
  mov    (%rcx),%ecx
  mov    %ecx,0x8(%rdx)
  mov    %rbx,(%rax)
  movl   $0x18,0x8(%rax)
L1:
  pop    %rbx
  ret
```

assistant: ```c
struct dm_ioctl *alloc_ctl(size_t payload_size) {
  size_t len = sizeof(struct dm_ioctl) + payload_size;
  struct dm_ioctl *ctl = zalloc(len);
  if (ctl) {
    ctl->version[0] = DM_VERSION_MAJOR;
    ctl->version[1] = DM_VERSION_MINOR;
    ctl->version[2] = DM_VERSION_PATCHLEVEL;
    ctl->data_size = len;
    ctl->data_start = sizeof(*ctl);
  }
  return ctl;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<setsess>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    $0x0,%eax
  call   <setsid@plt>
  test   %rax,%rax
  jns    L6
  mov    $0xffffffffffffffff,%rdx
  mov    $0x0,%esi
  lea    D5(%rip),%rax
  mov    %rax,%rdi
  call   <die@plt>
L6:
  nop
  pop    %rbp
  ret
```

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

tool: D5: setsid failed

assistant: ```c
void setsess(void) {
  if (setsid() < 0)
    die("setsid failed", NULL, ((void *)-1));
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<setsess>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <setsid@plt>
  test   %rax,%rax
  js     L9
L2:
  add    $0x8,%rsp
  ret
L9:
  mov    $0xffffffffffffffff,%rdx
  mov    $0x0,%esi
  lea    D8(%rip),%rdi
  call   <die@plt>
  jmp    L2
```

tool_calls: name: parse_data
arguments: tag: D8
type_infered: string

tool: D8: setsid failed

assistant: ```c
void setsess(void) {
  if (setsid() < 0)
    die("setsid failed", NULL, ((void *)-1));
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<setsess>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <setsid@plt>
  test   %rax,%rax
  js     L9
  add    $0x8,%rsp
  ret
  nopl   0x0(%rax)
L9:
  mov    $0xffffffffffffffff,%rdx
  xor    %esi,%esi
  lea    D5(%rip),%rdi
  add    $0x8,%rsp
  jmp    1070 <die@plt>
```

tool_calls: name: read_data
arguments: label: D5
datatype: string

tool: D5: setsid failed

assistant: ```c
void setsess(void) {
  if (setsid() < 0)
    die("setsid failed", NULL, ((void *)-1));
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<setsess>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <setsid@plt>
  test   %rax,%rax
  js     L2
  add    $0x8,%rsp
  ret
  nopl   0x0(%rax)
L2:
  mov    $0xffffffffffffffff,%rdx
  xor    %esi,%esi
  lea    D6(%rip),%rdi
  add    $0x8,%rsp
  jmp    1070 <die@plt>
```

tool_calls: name: retrieve_data
arguments: data_label: D6
type_infered: string

tool: D6: setsid failed

assistant: ```c
void setsess(void) {
  if (setsid() < 0)
    die("setsid failed", NULL, ((void *)-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
<condition_reduction>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  movl   $0xffffffff,-0x8(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L1
L11:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  cmp    %eax,-0x1c(%rbp)
  jle    L2
  mov    -0x4(%rbp),%eax
  neg    %eax
  mov    %eax,-0x8(%rbp)
L2:
  addl   $0x1,-0x4(%rbp)
L1:
  cmpl   $0x1f,-0x4(%rbp)
  jle    L11
  mov    -0x8(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
signed int condition_reduction(signed int *a, signed int min_v) {
  signed int last = -1;
  for (signed int i = 0; i < 32; i++)
    if (a[i] < min_v)
      last = -i;
  return last;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<condition_reduction>:
  endbr64
  mov    $0x0,%eax
  mov    $0xffffffff,%edx
  jmp    L37
L17:
  add    $0x1,%rax
  cmp    $0x20,%rax
  je     L27
L37:
  cmp    %esi,(%rdi,%rax,4)
  jge    L17
  mov    %eax,%edx
  neg    %edx
  jmp    L17
L27:
  mov    %edx,%eax
  ret
```

assistant: ```c
signed int condition_reduction(signed int *a, signed int min_v) {
  signed int last = -1;
  for (signed int i = 0; i < 32; i++)
    if (a[i] < min_v)
      last = -i;
  return last;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<condition_reduction>:
  endbr64
  xor    %eax,%eax
  mov    $0xffffffff,%r8d
  nopl   0x0(%rax)
L13:
  cmp    %esi,(%rdi,%rax,4)
  jge    L14
  mov    %eax,%r8d
  neg    %r8d
L14:
  add    $0x1,%rax
  cmp    $0x20,%rax
  jne    L13
  mov    %r8d,%eax
  ret
```

assistant: ```c
signed int condition_reduction(signed int *a, signed int min_v) {
  signed int last = -1;
  for (signed int i = 0; i < 32; i++)
    if (a[i] < min_v)
      last = -i;
  return last;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<fdt_supernode_atdepth_offset>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %edx,-0x30(%rbp)
  mov    %rcx,-0x38(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0xfffffff3,-0x10(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <fdt_check_header@plt>
  mov    %eax,-0xc(%rbp)
  cmpl   $0x0,-0xc(%rbp)
  je     L170
  mov    -0xc(%rbp),%eax
  jmp    L64
L170:
  cmpl   $0x0,-0x30(%rbp)
  jns    L183
  mov    $0xffffffff,%eax
  jmp    L64
L183:
  movl   $0x0,-0x14(%rbp)
  movl   $0x0,-0x18(%rbp)
  jmp    L136
L0:
  mov    -0x18(%rbp),%eax
  cmp    %eax,-0x30(%rbp)
  jne    L54
  mov    -0x14(%rbp),%eax
  mov    %eax,-0x10(%rbp)
L54:
  mov    -0x14(%rbp),%eax
  cmp    -0x2c(%rbp),%eax
  jne    L176
  cmpq   $0x0,-0x38(%rbp)
  je     L88
  mov    -0x18(%rbp),%edx
  mov    -0x38(%rbp),%rax
  mov    %edx,(%rax)
L88:
  mov    -0x18(%rbp),%eax
  cmp    %eax,-0x30(%rbp)
  jle    L71
  mov    $0xffffffff,%eax
  jmp    L64
L71:
  mov    -0x10(%rbp),%eax
  jmp    L64
L176:
  lea    -0x18(%rbp),%rdx
  mov    -0x14(%rbp),%ecx
  mov    -0x28(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <fdt_next_node@plt>
  mov    %eax,-0x14(%rbp)
L136:
  cmpl   $0x0,-0x14(%rbp)
  js     L96
  mov    -0x14(%rbp),%eax
  cmp    -0x2c(%rbp),%eax
  jle    L0
L96:
  cmpl   $0xffffffff,-0x14(%rbp)
  je     L127
  cmpl   $0x0,-0x14(%rbp)
  js     L17
L127:
  mov    $0xfffffffc,%eax
  jmp    L64
L17:
  cmpl   $0xfffffffc,-0x14(%rbp)
  jne    L168
  mov    $0xfffffff5,%eax
  jmp    L64
L168:
  mov    -0x14(%rbp),%eax
L64:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L185
  call   <__stack_chk_fail@plt>
L185:
  leave
  ret
```

assistant: ```c
int fdt_supernode_atdepth_offset(const void *fdt, int nodeoffset, int supernodedepth, int *nodedepth) {
  int offset, depth;
  int supernodeoffset = -13;
  {
    int err;
    if ((err = fdt_check_header(fdt)) != 0)
      return err;
  };
  if (supernodedepth < 0)
    return -1;
  for (offset = 0, depth = 0; (offset >= 0) && (offset <= nodeoffset); offset = fdt_next_node(fdt, offset, &depth)) {
    if (depth == supernodedepth)
      supernodeoffset = offset;
    if (offset == nodeoffset) {
      if (nodedepth)
        *nodedepth = depth;
      if (supernodedepth > depth)
        return -1;
      else
        return supernodeoffset;
    }
  }
  if ((offset == -1) || (offset >= 0))
    return -4;
  else if (offset == -4)
    return -11;
  return offset;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<fdt_supernode_atdepth_offset>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,%r13
  mov    %esi,%ebx
  mov    %edx,%r12d
  mov    %rcx,%r15
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <fdt_check_header@plt>
  mov    %eax,%esi
  test   %eax,%eax
  jne    L0
  test   %r12d,%r12d
  js     L141
  movl   $0x0,0x4(%rsp)
  test   %ebx,%ebx
  js     L121
  mov    $0xfffffff3,%ebp
  lea    0x4(%rsp),%r14
L66:
  mov    0x4(%rsp),%eax
  cmp    %r12d,%eax
  cmove  %esi,%ebp
  cmp    %esi,%ebx
  je     L29
  mov    %r14,%rdx
  mov    %r13,%rdi
  call   <fdt_next_node@plt>
  mov    %eax,%esi
  test   %eax,%eax
  js     L74
  cmp    %eax,%ebx
  jge    L66
L74:
  cmp    $0xffffffff,%esi
  jge    L42
  cmp    $0xfffffffc,%esi
  je     L124
L0:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L148
  mov    %esi,%eax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L29:
  test   %r15,%r15
  je     L76
  mov    %eax,(%r15)
L76:
  cmp    %r12d,%eax
  mov    $0xffffffff,%esi
  cmovge %ebp,%esi
  jmp    L0
L124:
  mov    $0xfffffff5,%esi
  jmp    L0
L141:
  mov    $0xffffffff,%esi
  jmp    L0
L121:
  mov    $0xfffffffc,%esi
  jmp    L0
L42:
  mov    $0xfffffffc,%esi
  jmp    L0
L148:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int fdt_supernode_atdepth_offset(const void *fdt, int nodeoffset, int supernodedepth, int *nodedepth) {
  int offset, depth;
  int supernodeoffset = -13;
  {
    int err;
    if ((err = fdt_check_header(fdt)) != 0)
      return err;
  };
  if (supernodedepth < 0)
    return -1;
  for (offset = 0, depth = 0; (offset >= 0) && (offset <= nodeoffset); offset = fdt_next_node(fdt, offset, &depth)) {
    if (depth == supernodedepth)
      supernodeoffset = offset;
    if (offset == nodeoffset) {
      if (nodedepth)
        *nodedepth = depth;
      if (supernodedepth > depth)
        return -1;
      else
        return supernodeoffset;
    }
  }
  if ((offset == -1) || (offset >= 0))
    return -4;
  else if (offset == -4)
    return -11;
  return offset;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<fdt_supernode_atdepth_offset>:
  endbr64
  push   %r15
  push   %r14
  mov    %rcx,%r14
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %edx,%ebp
  push   %rbx
  mov    %esi,%ebx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <fdt_check_header@plt>
  mov    %eax,%esi
  test   %eax,%eax
  jne    L103
  test   %ebp,%ebp
  js     L76
  movl   $0x0,0x4(%rsp)
  xor    %eax,%eax
  mov    $0xfffffff3,%r15d
  lea    0x4(%rsp),%r13
  test   %ebx,%ebx
  jns    L10
  jmp    L8
  nopw   0x0(%rax,%rax,1)
L89:
  mov    %r13,%rdx
  mov    %r12,%rdi
  call   <fdt_next_node@plt>
  mov    %eax,%esi
  test   %eax,%eax
  js     L144
  cmp    %eax,%ebx
  jl     L144
  mov    0x4(%rsp),%eax
L10:
  cmp    %ebp,%eax
  cmove  %esi,%r15d
  cmp    %esi,%ebx
  jne    L89
  test   %r14,%r14
  je     L85
  mov    %eax,(%r14)
L85:
  cmp    %ebp,%eax
  jl     L76
  mov    %r15d,%esi
L103:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L78
  add    $0x18,%rsp
  mov    %esi,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L144:
  cmp    $0xffffffff,%esi
  jge    L8
  cmp    $0xfffffffc,%esi
  jne    L103
  mov    $0xfffffff5,%esi
  jmp    L103
  nopl   0x0(%rax)
L8:
  mov    $0xfffffffc,%esi
  jmp    L103
L76:
  mov    $0xffffffff,%esi
  jmp    L103
L78:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int fdt_supernode_atdepth_offset(const void *fdt, int nodeoffset, int supernodedepth, int *nodedepth) {
  int offset, depth;
  int supernodeoffset = -13;
  {
    int err;
    if ((err = fdt_check_header(fdt)) != 0)
      return err;
  };
  if (supernodedepth < 0)
    return -1;
  for (offset = 0, depth = 0; (offset >= 0) && (offset <= nodeoffset); offset = fdt_next_node(fdt, offset, &depth)) {
    if (depth == supernodedepth)
      supernodeoffset = offset;
    if (offset == nodeoffset) {
      if (nodedepth)
        *nodedepth = depth;
      if (supernodedepth > depth)
        return -1;
      else
        return supernodeoffset;
    }
  }
  if ((offset == -1) || (offset >= 0))
    return -4;
  else if (offset == -4)
    return -11;
  return offset;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<fdt_supernode_atdepth_offset>:
  endbr64
  push   %r15
  push   %r14
  mov    %rcx,%r14
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %edx,%ebp
  push   %rbx
  mov    %esi,%ebx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <fdt_check_header@plt>
  mov    %eax,%esi
  test   %eax,%eax
  jne    L47
  test   %ebp,%ebp
  js     L70
  movl   $0x0,0x4(%rsp)
  xor    %eax,%eax
  mov    $0xfffffff3,%r15d
  lea    0x4(%rsp),%r13
  test   %ebx,%ebx
  jns    L74
  jmp    L43
  nopw   0x0(%rax,%rax,1)
L14:
  mov    %r13,%rdx
  mov    %r12,%rdi
  call   <fdt_next_node@plt>
  mov    %eax,%esi
  test   %eax,%eax
  js     L13
  cmp    %eax,%ebx
  jl     L13
  mov    0x4(%rsp),%eax
L74:
  cmp    %ebp,%eax
  cmove  %esi,%r15d
  cmp    %esi,%ebx
  jne    L14
  test   %r14,%r14
  je     L78
  mov    %eax,(%r14)
L78:
  cmp    %ebp,%eax
  jl     L70
  mov    %r15d,%esi
L47:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L148
  add    $0x18,%rsp
  mov    %esi,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L13:
  cmp    $0xffffffff,%esi
  jge    L43
  cmp    $0xfffffffc,%esi
  jne    L47
  mov    $0xfffffff5,%esi
  jmp    L47
  nopl   0x0(%rax)
L43:
  mov    $0xfffffffc,%esi
  jmp    L47
L70:
  mov    $0xffffffff,%esi
  jmp    L47
L148:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int fdt_supernode_atdepth_offset(const void *fdt, int nodeoffset, int supernodedepth, int *nodedepth) {
  int offset, depth;
  int supernodeoffset = -13;
  {
    int err;
    if ((err = fdt_check_header(fdt)) != 0)
      return err;
  };
  if (supernodedepth < 0)
    return -1;
  for (offset = 0, depth = 0; (offset >= 0) && (offset <= nodeoffset); offset = fdt_next_node(fdt, offset, &depth)) {
    if (depth == supernodedepth)
      supernodeoffset = offset;
    if (offset == nodeoffset) {
      if (nodedepth)
        *nodedepth = depth;
      if (supernodedepth > depth)
        return -1;
      else
        return supernodeoffset;
    }
  }
  if ((offset == -1) || (offset >= 0))
    return -4;
  else if (offset == -4)
    return -11;
  return offset;
}
```
user: What is the c source code of the assembly code below?

```asm
<copy_string_0>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  cmpq   $0x0,-0x28(%rbp)
  jne    L52
  mov    $0x0,%eax
  jmp    L37
L52:
  movq   $0x0,-0x8(%rbp)
  jmp    L38
L0:
  mov    -0x20(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  mov    -0x8(%rbp),%rdx
  lea    0x0(,%rdx,8),%rcx
  mov    -0x18(%rbp),%rdx
  add    %rcx,%rdx
  movsbq %al,%rax
  mov    %rax,(%rdx)
  mov    -0x20(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L11
  mov    -0x8(%rbp),%rax
  add    $0x1,%rax
  jmp    L37
L11:
  addq   $0x1,-0x8(%rbp)
L38:
  mov    -0x8(%rbp),%rax
  cmp    -0x28(%rbp),%rax
  jb     L0
  mov    -0x28(%rbp),%rax
  shl    $0x3,%rax
  lea    -0x8(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movq   $0x0,(%rax)
  mov    -0x28(%rbp),%rax
L37:
  pop    %rbp
  ret
```

assistant: ```c
size_t copy_string_0(uint8_t *x, const char *s, size_t n) {
  size_t i;
  if (n == 0)
    return 0;
  for (i = 0; i < n; ++i) {
    x[i] = (uint8_t)s[i];
    if (s[i] == 0)
      return i + 1;
  }
  x[n - 1] = 0;
  return n;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<copy_string_0>:
  endbr64
  mov    %rdx,%rax
  test   %rdx,%rdx
  je     L25
  mov    $0x0,%eax
L2:
  movsbq (%rsi,%rax,1),%rcx
  mov    %rcx,(%rdi,%rax,8)
  cmpb   $0x0,(%rsi,%rax,1)
  je     L8
  add    $0x1,%rax
  cmp    %rax,%rdx
  jne    L2
  movq   $0x0,-0x8(%rdi,%rax,8)
L25:
  ret
L8:
  add    $0x1,%rax
  ret
```

assistant: ```c
size_t copy_string_0(uint8_t *x, const char *s, size_t n) {
  size_t i;
  if (n == 0)
    return 0;
  for (i = 0; i < n; ++i) {
    x[i] = (uint8_t)s[i];
    if (s[i] == 0)
      return i + 1;
  }
  x[n - 1] = 0;
  return n;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<copy_string_0>:
  endbr64
  mov    %rdx,%rax
  test   %rdx,%rdx
  je     L14
  xor    %ecx,%ecx
  xchg   %ax,%ax
L20:
  movsbq (%rsi,%rcx,1),%r8
  mov    %r8,(%rdi,%rcx,8)
  movzbl (%rsi,%rcx,1),%r8d
  add    $0x1,%rcx
  test   %r8b,%r8b
  je     L25
  cmp    %rax,%rcx
  jne    L20
  movq   $0x0,-0x8(%rdi,%rax,8)
  ret
  cs nopw 0x0(%rax,%rax,1)
L25:
  mov    %rcx,%rax
L14:
  ret
```

assistant: ```c
size_t copy_string_0(uint8_t *x, const char *s, size_t n) {
  size_t i;
  if (n == 0)
    return 0;
  for (i = 0; i < n; ++i) {
    x[i] = (uint8_t)s[i];
    if (s[i] == 0)
      return i + 1;
  }
  x[n - 1] = 0;
  return n;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<copy_string_0>:
  endbr64
  mov    %rdx,%rax
  test   %rdx,%rdx
  je     L10
  xor    %ecx,%ecx
  xchg   %ax,%ax
L17:
  movsbq (%rsi,%rcx,1),%r8
  mov    %r8,(%rdi,%rcx,8)
  movzbl (%rsi,%rcx,1),%r8d
  add    $0x1,%rcx
  test   %r8b,%r8b
  je     L26
  cmp    %rax,%rcx
  jne    L17
  movq   $0x0,-0x8(%rdi,%rax,8)
  ret
  cs nopw 0x0(%rax,%rax,1)
L26:
  mov    %rcx,%rax
L10:
  ret
```

assistant: ```c
size_t copy_string_0(uint8_t *x, const char *s, size_t n) {
  size_t i;
  if (n == 0)
    return 0;
  for (i = 0; i < n; ++i) {
    x[i] = (uint8_t)s[i];
    if (s[i] == 0)
      return i + 1;
  }
  x[n - 1] = 0;
  return n;
}
```
user: Translate the below assembly code into C programming language:

```asm
<entab>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  movl   $0x0,-0x1c(%rbp)
  mov    -0x1c(%rbp),%eax
  mov    %eax,-0x20(%rbp)
  jmp    L44
L58:
  movl   $0x0,-0x10(%rbp)
  movl   $0x0,-0xc(%rbp)
  jmp    L2
L36:
  mov    -0x20(%rbp),%eax
  lea    0x7(%rax),%edx
  test   %eax,%eax
  cmovs  %edx,%eax
  sar    $0x3,%eax
  add    $0x1,%eax
  mov    %eax,-0x8(%rbp)
  mov    -0x8(%rbp),%eax
  shl    $0x3,%eax
  mov    %eax,-0x4(%rbp)
  addl   $0x1,-0x20(%rbp)
  mov    -0x20(%rbp),%eax
  cmp    -0x4(%rbp),%eax
  jne    L93
  addl   $0x1,-0xc(%rbp)
  movl   $0x0,-0x10(%rbp)
  jmp    L2
L93:
  addl   $0x1,-0x10(%rbp)
L2:
  mov    -0x20(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x20,%al
  je     L36
  movl   $0x0,-0x18(%rbp)
  jmp    L12
L50:
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movb   $0x9,(%rax)
  addl   $0x1,-0x1c(%rbp)
  addl   $0x1,-0x18(%rbp)
L12:
  mov    -0x18(%rbp),%eax
  cmp    -0xc(%rbp),%eax
  jl     L50
  movl   $0x0,-0x14(%rbp)
  jmp    L81
L101:
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movb   $0x23,(%rax)
  addl   $0x1,-0x1c(%rbp)
  addl   $0x1,-0x14(%rbp)
L81:
  mov    -0x14(%rbp),%eax
  cmp    -0x10(%rbp),%eax
  jl     L101
  mov    -0x20(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x20,%al
  je     L44
  mov    -0x20(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  mov    -0x1c(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x28(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0x1c(%rbp)
  addl   $0x1,-0x20(%rbp)
L44:
  mov    -0x20(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L58
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  nop
  pop    %rbp
  ret
```

assistant: ```c
void entab(char contabs[], char input[]) {
  int i, j, coc, tab, h, m, cont_esp, cont_tab;
  i = j = 0;
  while (input[i] != '\0') {
    cont_esp = 0;
    cont_tab = 0;
    while (input[i] == ' ') {
      coc = (i / 8) + 1;
      tab = 8 * coc;
      ++i;
      if (i == tab) {
        ++cont_tab;
        cont_esp = 0;
      } else
        ++cont_esp;
    }
    for (h = 0; h < cont_tab; ++h) {
      contabs[j] = '\t';
      ++j;
    }
    for (m = 0; m < cont_esp; ++m) {
      contabs[j] = '#';
      ++j;
    }
    if (input[i] != ' ') {
      contabs[j] = input[i];
      ++j;
      ++i;
    }
  }
  contabs[j] = '\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
<entab>:
  endbr64
  mov    %rdi,%r9
  mov    %rsi,%r8
  mov    $0x0,%edi
  mov    $0x0,%eax
  lea    0x1(%r9),%r10
  jmp    L91
L108:
  mov    %rcx,%r11
  add    $0x1,%rcx
  cmpb   $0x20,-0x1(%rcx)
  jne    L176
L139:
  lea    0x7(%rax),%edx
  test   %eax,%eax
  cmovns %eax,%edx
  sar    $0x3,%edx
  lea    0x8(,%rdx,8),%edx
  add    $0x1,%eax
  add    $0x1,%esi
  cmp    %eax,%edx
  jne    L108
  add    $0x1,%ebx
  mov    $0x0,%esi
  jmp    L108
L176:
  test   %ebx,%ebx
  jle    L132
  movslq %edi,%rcx
  lea    (%r9,%rcx,1),%rdx
  mov    %ebx,%ebp
  add    %r10,%rcx
  lea    -0x1(%rbx),%ebx
  add    %rbx,%rcx
L143:
  movb   $0x9,(%rdx)
  add    $0x1,%rdx
  cmp    %rcx,%rdx
  jne    L143
  add    %ebp,%edi
L132:
  test   %esi,%esi
  jle    L170
  movslq %edi,%rcx
  lea    (%r9,%rcx,1),%rdx
  mov    %esi,%ebx
  add    %r10,%rcx
  lea    -0x1(%rsi),%esi
  add    %rsi,%rcx
L37:
  movb   $0x23,(%rdx)
  add    $0x1,%rdx
  cmp    %rcx,%rdx
  jne    L37
  add    %ebx,%edi
L170:
  movzbl (%r11),%edx
  cmp    $0x20,%dl
  jne    L20
L49:
  movslq %eax,%rcx
  lea    (%r8,%rcx,1),%r11
  movzbl (%r11),%edx
  test   %dl,%dl
  je     L28
  cmp    $0x20,%dl
  jne    L170
L151:
  lea    0x1(%r8,%rcx,1),%rcx
  mov    $0x0,%ebx
  mov    $0x0,%esi
  jmp    L139
L20:
  movslq %edi,%rcx
  mov    %dl,(%r9,%rcx,1)
  add    $0x1,%edi
  add    $0x1,%eax
  jmp    L49
L28:
  movslq %edi,%rdi
  movb   $0x0,(%r9,%rdi,1)
  pop    %rbx
  pop    %rbp
  ret
L103:
  movzbl (%r11),%edx
  cmp    $0x20,%dl
  jne    L104
L91:
  movslq %eax,%rcx
  lea    (%r8,%rcx,1),%r11
  movzbl (%r11),%edx
  test   %dl,%dl
  je     L97
  cmp    $0x20,%dl
  jne    L103
  push   %rbp
  push   %rbx
  jmp    L151
L104:
  movslq %edi,%rcx
  mov    %dl,(%r9,%rcx,1)
  add    $0x1,%edi
  add    $0x1,%eax
  jmp    L91
L97:
  movslq %edi,%rdi
  movb   $0x0,(%r9,%rdi,1)
  ret
```

assistant: ```c
void entab(char contabs[], char input[]) {
  int i, j, coc, tab, h, m, cont_esp, cont_tab;
  i = j = 0;
  while (input[i] != '\0') {
    cont_esp = 0;
    cont_tab = 0;
    while (input[i] == ' ') {
      coc = (i / 8) + 1;
      tab = 8 * coc;
      ++i;
      if (i == tab) {
        ++cont_tab;
        cont_esp = 0;
      } else
        ++cont_esp;
    }
    for (h = 0; h < cont_tab; ++h) {
      contabs[j] = '\t';
      ++j;
    }
    for (m = 0; m < cont_esp; ++m) {
      contabs[j] = '#';
      ++j;
    }
    if (input[i] != ' ') {
      contabs[j] = input[i];
      ++j;
      ++i;
    }
  }
  contabs[j] = '\0';
}
```