ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <debug_init@plt>
  lea    D1(%rip),%rdi
  call   <debug@plt>
L7:
  mov    $0x0,%eax
  call   <usb_poll@plt>
  jmp    L7
```

tool_calls: name: disassemble_data
arguments: label: D1
datatype: string

tool: D1: 

libci20 firmware


assistant: ```c
void main(void) {
  debug_init();
  debug("\r\n\r\nlibci20 firmware\r\n");
  while (1) {
    usb_poll();
  }
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <debug_init@plt>
  lea    D8(%rip),%rdi
  call   <debug@plt>
  nopl   0x0(%rax,%rax,1)
L5:
  xor    %eax,%eax
  call   <usb_poll@plt>
  jmp    L5
```

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

tool: D8: 

libci20 firmware


assistant: ```c
void main(void) {
  debug_init();
  debug("\r\n\r\nlibci20 firmware\r\n");
  while (1) {
    usb_poll();
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <debug_init@plt>
  lea    D6(%rip),%rdi
  call   <debug@plt>
  nopl   0x0(%rax,%rax,1)
L3:
  xor    %eax,%eax
  call   <usb_poll@plt>
  jmp    L3
```

tool_calls: name: extract_symbolic_data
arguments: label: D6
type_guessed: string

tool: D6: 

libci20 firmware


assistant: ```c
void main(void) {
  debug_init();
  debug("\r\n\r\nlibci20 firmware\r\n");
  while (1) {
    usb_poll();
  }
}
```
user: What is the c source code of the assembly code below:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x12(%rbp),%rdx
  lea    -0x18(%rbp),%rax
  mov    %rax,%rsi
  lea    D2(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L9
  call   <__stack_chk_fail@plt>
L9:
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: data_tag: D2
type_guessed: string

tool: D2: %d%s

assistant: ```c
int main() {
  int a;
  char c[10];
  scanf("%d%s", &a, c);
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0xe(%rsp),%rdx
  lea    0x8(%rsp),%rsi
  lea    D5(%rip),%rdi
  call   <scanf@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L4
  mov    $0x0,%eax
  add    $0x28,%rsp
  ret
L4:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: tag: D5
type_infered: string

tool: D5: %d%s

assistant: ```c
int main() {
  int a;
  char c[10];
  scanf("%d%s", &a, c);
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<main>:
  endbr64
  sub    $0x28,%rsp
  lea    D7(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0xe(%rsp),%rdx
  lea    0x8(%rsp),%rsi
  call   <scanf@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L1
  xor    %eax,%eax
  add    $0x28,%rsp
  ret
L1:
  call   <__stack_chk_fail@plt>
```

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

tool: D7: %d%s

assistant: ```c
int main() {
  int a;
  char c[10];
  scanf("%d%s", &a, c);
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  sub    $0x28,%rsp
  lea    D7(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0xe(%rsp),%rdx
  lea    0x8(%rsp),%rsi
  call   <scanf@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  xor    %eax,%eax
  add    $0x28,%rsp
  ret
L8:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D7
data_type: string

tool: D7: %d%s

assistant: ```c
int main() {
  int a;
  char c[10];
  scanf("%d%s", &a, c);
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<bitvector_count>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %edx,-0x30(%rbp)
  cmpl   $0x0,-0x30(%rbp)
  jne    L50
  mov    $0x0,%eax
  jmp    L2
L50:
  mov    -0x2c(%rbp),%edx
  mov    -0x30(%rbp),%eax
  add    %edx,%eax
  add    $0x1f,%eax
  sar    $0x5,%eax
  cltq
  mov    %rax,-0x8(%rbp)
  cmpq   $0x1,-0x8(%rbp)
  jne    L23
  mov    -0x28(%rbp),%rax
  mov    (%rax),%esi
  mov    -0x30(%rbp),%eax
  mov    $0x1,%edx
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  lea    -0x1(%rax),%edx
  mov    -0x2c(%rbp),%eax
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  and    %esi,%eax
  mov    %eax,%edi
  call   <count_bits@plt>
  jmp    L2
L23:
  mov    -0x28(%rbp),%rax
  mov    (%rax),%edx
  mov    -0x2c(%rbp),%eax
  mov    %eax,%ecx
  sar    %cl,%edx
  mov    %edx,%eax
  mov    %eax,%edi
  call   <count_bits@plt>
  mov    %eax,-0x18(%rbp)
  movq   $0x1,-0x10(%rbp)
  jmp    L31
L44:
  mov    -0x10(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    %eax,%edi
  call   <count_bits@plt>
  add    %eax,-0x18(%rbp)
  addq   $0x1,-0x10(%rbp)
L31:
  mov    -0x8(%rbp),%rax
  sub    $0x1,%rax
  cmp    %rax,-0x10(%rbp)
  jb     L44
  mov    -0x2c(%rbp),%edx
  mov    -0x30(%rbp),%eax
  add    %edx,%eax
  and    $0x1f,%eax
  mov    %eax,-0x14(%rbp)
  mov    -0x10(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  cmpl   $0x0,-0x14(%rbp)
  jle    L70
  mov    -0x14(%rbp),%eax
  mov    $0x1,%esi
  mov    %eax,%ecx
  shl    %cl,%esi
  mov    %esi,%eax
  sub    $0x1,%eax
  jmp    L15
L70:
  mov    $0xffffffff,%eax
L15:
  and    %edx,%eax
  mov    %eax,%edi
  call   <count_bits@plt>
  add    %eax,-0x18(%rbp)
  mov    -0x18(%rbp),%eax
L2:
  leave
  ret
```

assistant: ```c
u_int64_t bitvector_count(u_int32_t *b, u_int32_t offs, u_int64_t nbits) {
  size_t i, nw;
  u_int32_t ntail;
  u_int64_t ans;
  if (nbits == 0)
    return 0;
  nw = ((u_int64_t)offs + nbits + 31) >> 5;
  if (nw == 1) {
    return count_bits(b[0] & ((u_int32_t)((((u_int32_t)1) << (nbits)) - 1) << offs));
  }
  ans = count_bits(b[0] >> offs);
  for (i = 1; i < nw - 1; i++) {
    ans += count_bits(b[i]);
  }
  ntail = (offs + (u_int32_t)nbits) & 31;
  ans += count_bits(b[i] & (ntail > 0 ? (u_int32_t)((((u_int32_t)1) << (ntail)) - 1) : ((u_int32_t)0xffffffff)));
  return ans;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<bitvector_count>:
  endbr64
  mov    %edx,%eax
  test   %edx,%edx
  je     L9
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r12
  lea    (%rdx,%rsi,1),%r14d
  lea    0x1f(%r14),%eax
  sar    $0x5,%eax
  movslq %eax,%r13
  cmp    $0x1,%eax
  je     L61
  mov    (%rdi),%edi
  mov    %esi,%ecx
  sar    %cl,%edi
  call   <count_bits@plt>
  mov    %eax,%ebp
  sub    $0x1,%r13
  cmp    $0x1,%r13
  jbe    L57
  mov    $0x1,%ebx
L10:
  mov    (%r12,%rbx,4),%edi
  call   <count_bits@plt>
  add    %eax,%ebp
  add    $0x1,%rbx
  cmp    %r13,%rbx
  jne    L10
L20:
  mov    (%r12,%r13,4),%edi
  mov    $0xffffffff,%eax
  and    $0x1f,%r14d
  je     L54
  mov    $0x1,%eax
  mov    %r14d,%ecx
  shl    %cl,%eax
  sub    $0x1,%eax
L54:
  and    %eax,%edi
  call   <count_bits@plt>
  add    %ebp,%eax
L43:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L61:
  mov    %edx,%ecx
  shl    %cl,%eax
  lea    -0x1(%rax),%edi
  mov    %esi,%ecx
  shl    %cl,%edi
  and    (%r12),%edi
  call   <count_bits@plt>
  jmp    L43
L57:
  mov    $0x1,%r13d
  jmp    L20
L9:
  ret
```

assistant: ```c
u_int64_t bitvector_count(u_int32_t *b, u_int32_t offs, u_int64_t nbits) {
  size_t i, nw;
  u_int32_t ntail;
  u_int64_t ans;
  if (nbits == 0)
    return 0;
  nw = ((u_int64_t)offs + nbits + 31) >> 5;
  if (nw == 1) {
    return count_bits(b[0] & ((u_int32_t)((((u_int32_t)1) << (nbits)) - 1) << offs));
  }
  ans = count_bits(b[0] >> offs);
  for (i = 1; i < nw - 1; i++) {
    ans += count_bits(b[i]);
  }
  ntail = (offs + (u_int32_t)nbits) & 31;
  ans += count_bits(b[i] & (ntail > 0 ? (u_int32_t)((((u_int32_t)1) << (ntail)) - 1) : ((u_int32_t)0xffffffff)));
  return ans;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<bitvector_count>:
  endbr64
  test   %edx,%edx
  je     L12
  push   %r14
  mov    %rdi,%r14
  push   %r13
  push   %r12
  lea    (%rdx,%rsi,1),%r12d
  lea    0x1f(%r12),%eax
  push   %rbp
  sar    $0x5,%eax
  push   %rbx
  mov    (%rdi),%edi
  movslq %eax,%rbx
  cmp    $0x1,%eax
  je     L40
  mov    %esi,%ecx
  lea    -0x1(%rbx),%r13
  sar    %cl,%edi
  call   <count_bits@plt>
  mov    %eax,%ebp
  cmp    $0x2,%rbx
  je     L59
  mov    $0x1,%ebx
  nopl   0x0(%rax,%rax,1)
L16:
  mov    (%r14,%rbx,4),%edi
  add    $0x1,%rbx
  call   <count_bits@plt>
  add    %eax,%ebp
  cmp    %r13,%rbx
  jne    L16
  shl    $0x2,%rbx
L28:
  mov    (%r14,%rbx,1),%edi
  and    $0x1f,%r12d
  je     L20
  mov    $0x1,%eax
  mov    %r12d,%ecx
  shl    %cl,%eax
  sub    $0x1,%eax
  and    %eax,%edi
L20:
  call   <count_bits@plt>
  pop    %rbx
  add    %ebp,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax)
L12:
  xor    %eax,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L59:
  mov    $0x4,%ebx
  jmp    L28
  nopw   0x0(%rax,%rax,1)
L40:
  mov    %edx,%ecx
  pop    %rbx
  pop    %rbp
  shl    %cl,%eax
  mov    %esi,%ecx
  pop    %r12
  pop    %r13
  sub    $0x1,%eax
  pop    %r14
  shl    %cl,%eax
  and    %eax,%edi
  jmp    1050 <count_bits@plt>
```

assistant: ```c
u_int64_t bitvector_count(u_int32_t *b, u_int32_t offs, u_int64_t nbits) {
  size_t i, nw;
  u_int32_t ntail;
  u_int64_t ans;
  if (nbits == 0)
    return 0;
  nw = ((u_int64_t)offs + nbits + 31) >> 5;
  if (nw == 1) {
    return count_bits(b[0] & ((u_int32_t)((((u_int32_t)1) << (nbits)) - 1) << offs));
  }
  ans = count_bits(b[0] >> offs);
  for (i = 1; i < nw - 1; i++) {
    ans += count_bits(b[i]);
  }
  ntail = (offs + (u_int32_t)nbits) & 31;
  ans += count_bits(b[i] & (ntail > 0 ? (u_int32_t)((((u_int32_t)1) << (ntail)) - 1) : ((u_int32_t)0xffffffff)));
  return ans;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<bitvector_count>:
  endbr64
  test   %edx,%edx
  je     L47
  push   %r14
  mov    %rdi,%r14
  push   %r13
  push   %r12
  lea    (%rdx,%rsi,1),%r12d
  lea    0x1f(%r12),%eax
  push   %rbp
  sar    $0x5,%eax
  push   %rbx
  mov    (%rdi),%edi
  movslq %eax,%rbx
  cmp    $0x1,%eax
  je     L5
  mov    %esi,%ecx
  lea    -0x1(%rbx),%r13
  sar    %cl,%edi
  call   <count_bits@plt>
  mov    %eax,%ebp
  cmp    $0x2,%rbx
  je     L31
  mov    $0x1,%ebx
  nopl   0x0(%rax,%rax,1)
L41:
  mov    (%r14,%rbx,4),%edi
  add    $0x1,%rbx
  call   <count_bits@plt>
  add    %eax,%ebp
  cmp    %r13,%rbx
  jne    L41
  shl    $0x2,%rbx
L24:
  mov    (%r14,%rbx,1),%edi
  and    $0x1f,%r12d
  je     L37
  mov    $0x1,%eax
  mov    %r12d,%ecx
  shl    %cl,%eax
  sub    $0x1,%eax
  and    %eax,%edi
L37:
  call   <count_bits@plt>
  pop    %rbx
  add    %ebp,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax)
L47:
  xor    %eax,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L31:
  mov    $0x4,%ebx
  jmp    L24
  nopw   0x0(%rax,%rax,1)
L5:
  mov    %edx,%ecx
  pop    %rbx
  pop    %rbp
  shl    %cl,%eax
  mov    %esi,%ecx
  pop    %r12
  pop    %r13
  sub    $0x1,%eax
  pop    %r14
  shl    %cl,%eax
  and    %eax,%edi
  jmp    1050 <count_bits@plt>
```

assistant: ```c
u_int64_t bitvector_count(u_int32_t *b, u_int32_t offs, u_int64_t nbits) {
  size_t i, nw;
  u_int32_t ntail;
  u_int64_t ans;
  if (nbits == 0)
    return 0;
  nw = ((u_int64_t)offs + nbits + 31) >> 5;
  if (nw == 1) {
    return count_bits(b[0] & ((u_int32_t)((((u_int32_t)1) << (nbits)) - 1) << offs));
  }
  ans = count_bits(b[0] >> offs);
  for (i = 1; i < nw - 1; i++) {
    ans += count_bits(b[i]);
  }
  ntail = (offs + (u_int32_t)nbits) & 31;
  ans += count_bits(b[i] & (ntail > 0 ? (u_int32_t)((((u_int32_t)1) << (ntail)) - 1) : ((u_int32_t)0xffffffff)));
  return ans;
}
```
user: What is the c source code of the assembly code below?

```asm
<bitpat_search>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %edi,-0x24(%rbp)
  mov    %esi,-0x28(%rbp)
  mov    %edx,-0x2c(%rbp)
  mov    $0x0,%eax
  call   <int_size@plt>
  mov    %eax,-0x14(%rbp)
  movl   $0x0,-0x1c(%rbp)
  jmp    L51
L16:
  mov    -0x1c(%rbp),%edx
  mov    -0x24(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <bit_test@plt>
  mov    %eax,%ebx
  mov    -0x28(%rbp),%eax
  mov    $0x1,%esi
  mov    %eax,%edi
  call   <bit_test@plt>
  cmp    %eax,%ebx
  jne    L54
  movl   $0x1,-0x18(%rbp)
  jmp    L11
L3:
  addl   $0x1,-0x18(%rbp)
L11:
  mov    -0x1c(%rbp),%edx
  mov    -0x18(%rbp),%eax
  add    %eax,%edx
  mov    -0x24(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <bit_test@plt>
  mov    %eax,%ebx
  mov    -0x18(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    -0x28(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <bit_test@plt>
  cmp    %eax,%ebx
  je     L3
  mov    -0x18(%rbp),%eax
  cmp    -0x2c(%rbp),%eax
  jne    L54
  mov    -0x1c(%rbp),%eax
  jmp    L48
L54:
  addl   $0x1,-0x1c(%rbp)
L51:
  mov    -0x14(%rbp),%eax
  sub    -0x2c(%rbp),%eax
  cmp    %eax,-0x1c(%rbp)
  jle    L16
  mov    $0xffffffff,%eax
L48:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
int bitpat_search(unsigned int source, unsigned int pattern, int n) {
  int bit_test(unsigned int test, int n);
  int int_size();
  int i, j, size;
  size = int_size();
  for (i = 0; i <= size - n; ++i) {
    if (bit_test(source, i) == bit_test(pattern, 1)) {
      j = 1;
      while (bit_test(source, i + j) == bit_test(pattern, 1 + j))
        ++j;
      if (j == n)
        return i;
    }
  }
  return -1;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<bitpat_search>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %edi,%r13d
  mov    %esi,%r14d
  mov    %edx,%ebx
  mov    %edx,0xc(%rsp)
  mov    $0x0,%eax
  call   <int_size@plt>
  sub    %ebx,%eax
  js     L54
  mov    %eax,%r15d
  mov    $0x0,%r12d
  jmp    L57
L35:
  add    $0x1,%r12d
  cmp    %r15d,%r12d
  jg     L37
L57:
  mov    %r12d,%esi
  mov    %r13d,%edi
  call   <bit_test@plt>
  mov    %eax,%ebx
  mov    $0x1,%esi
  mov    %r14d,%edi
  call   <bit_test@plt>
  cmp    %eax,%ebx
  jne    L35
  mov    $0x1,%ebx
L72:
  lea    (%rbx,%r12,1),%esi
  mov    %r13d,%edi
  call   <bit_test@plt>
  mov    %eax,%ebp
  mov    %ebx,0x8(%rsp)
  add    $0x1,%ebx
  mov    %ebx,%esi
  mov    %r14d,%edi
  call   <bit_test@plt>
  cmp    %eax,%ebp
  je     L72
  mov    0xc(%rsp),%ecx
  cmp    %ecx,0x8(%rsp)
  jne    L35
  jmp    L69
L37:
  mov    $0xffffffff,%r12d
L69:
  mov    %r12d,%eax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L54:
  mov    $0xffffffff,%r12d
  jmp    L69
```

assistant: ```c
int bitpat_search(unsigned int source, unsigned int pattern, int n) {
  int bit_test(unsigned int test, int n);
  int int_size();
  int i, j, size;
  size = int_size();
  for (i = 0; i <= size - n; ++i) {
    if (bit_test(source, i) == bit_test(pattern, 1)) {
      j = 1;
      while (bit_test(source, i + j) == bit_test(pattern, 1 + j))
        ++j;
      if (j == n)
        return i;
    }
  }
  return -1;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<bitpat_search>:
  endbr64
  push   %r15
  xor    %eax,%eax
  push   %r14
  push   %r13
  push   %r12
  mov    %esi,%r12d
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  mov    %edx,%ebx
  sub    $0x18,%rsp
  mov    %edx,0xc(%rsp)
  call   <int_size@plt>
  sub    %ebx,%eax
  mov    %eax,0x8(%rsp)
  js     L16
  xor    %r15d,%r15d
  jmp    L30
  nopl   (%rax)
L14:
  add    $0x1,%r15d
  cmp    0x8(%rsp),%r15d
  jg     L16
L30:
  mov    %r15d,%esi
  mov    %ebp,%edi
  call   <bit_test@plt>
  mov    $0x1,%esi
  mov    %r12d,%edi
  mov    %eax,%ebx
  call   <bit_test@plt>
  cmp    %eax,%ebx
  jne    L14
  mov    $0x1,%r14d
  cs nopw 0x0(%rax,%rax,1)
L54:
  lea    (%r14,%r15,1),%esi
  mov    %ebp,%edi
  mov    %r14d,%r13d
  add    $0x1,%r14d
  call   <bit_test@plt>
  mov    %r14d,%esi
  mov    %r12d,%edi
  mov    %eax,%ebx
  call   <bit_test@plt>
  cmp    %eax,%ebx
  je     L54
  cmp    0xc(%rsp),%r13d
  jne    L14
L11:
  add    $0x18,%rsp
  mov    %r15d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L16:
  mov    $0xffffffff,%r15d
  jmp    L11
```

assistant: ```c
int bitpat_search(unsigned int source, unsigned int pattern, int n) {
  int bit_test(unsigned int test, int n);
  int int_size();
  int i, j, size;
  size = int_size();
  for (i = 0; i <= size - n; ++i) {
    if (bit_test(source, i) == bit_test(pattern, 1)) {
      j = 1;
      while (bit_test(source, i + j) == bit_test(pattern, 1 + j))
        ++j;
      if (j == n)
        return i;
    }
  }
  return -1;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<bitpat_search>:
  endbr64
  push   %r15
  xor    %eax,%eax
  push   %r14
  push   %r13
  push   %r12
  mov    %esi,%r12d
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  mov    %edx,%ebx
  sub    $0x18,%rsp
  mov    %edx,0xc(%rsp)
  call   <int_size@plt>
  sub    %ebx,%eax
  mov    %eax,0x8(%rsp)
  js     L46
  xor    %r15d,%r15d
  jmp    L21
  nopl   (%rax)
L19:
  add    $0x1,%r15d
  cmp    0x8(%rsp),%r15d
  jg     L46
L21:
  mov    %r15d,%esi
  mov    %ebp,%edi
  call   <bit_test@plt>
  mov    $0x1,%esi
  mov    %r12d,%edi
  mov    %eax,%ebx
  call   <bit_test@plt>
  cmp    %eax,%ebx
  jne    L19
  mov    $0x1,%r14d
  cs nopw 0x0(%rax,%rax,1)
L31:
  lea    (%r14,%r15,1),%esi
  mov    %ebp,%edi
  mov    %r14d,%r13d
  add    $0x1,%r14d
  call   <bit_test@plt>
  mov    %r14d,%esi
  mov    %r12d,%edi
  mov    %eax,%ebx
  call   <bit_test@plt>
  cmp    %eax,%ebx
  je     L31
  cmp    0xc(%rsp),%r13d
  jne    L19
L3:
  add    $0x18,%rsp
  mov    %r15d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L46:
  mov    $0xffffffff,%r15d
  jmp    L3
```

assistant: ```c
int bitpat_search(unsigned int source, unsigned int pattern, int n) {
  int bit_test(unsigned int test, int n);
  int int_size();
  int i, j, size;
  size = int_size();
  for (i = 0; i <= size - n; ++i) {
    if (bit_test(source, i) == bit_test(pattern, 1)) {
      j = 1;
      while (bit_test(source, i + j) == bit_test(pattern, 1 + j))
        ++j;
      if (j == n)
        return i;
    }
  }
  return -1;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<do_b2i_bio>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x50,%rsp
  mov    %rdi,%rbx
  mov    %esi,0xc(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  xor    %eax,%eax
  lea    0x30(%rsp),%rsi
  mov    $0x10,%edx
  call   <BIO_read@plt>
  cmp    $0x10,%eax
  jne    L31
  lea    0x30(%rsp),%rax
  mov    %rax,0x28(%rsp)
  lea    0x1c(%rsp),%rcx
  lea    0x20(%rsp),%rdx
  lea    0x28(%rsp),%rdi
  lea    0xc(%rsp),%r9
  lea    0x24(%rsp),%r8
  mov    $0x10,%esi
  call   <do_blob_header@plt>
  mov    $0x0,%r12d
  test   %rax,%rax
  jle    L78
  mov    0xc(%rsp),%edx
  mov    0x24(%rsp),%esi
  mov    0x1c(%rsp),%edi
  call   <blob_length@plt>
  mov    %eax,%r12d
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L1
  mov    %rax,0x28(%rsp)
  mov    %r12d,%edx
  mov    %rax,%rsi
  mov    %rbx,%rdi
  call   <BIO_read@plt>
  cmp    %r12d,%eax
  jne    L74
  cmpl   $0x0,0x24(%rsp)
  je     L44
  lea    0x28(%rsp),%rdi
  mov    0xc(%rsp),%ecx
  mov    0x1c(%rsp),%edx
  mov    %r12d,%esi
  call   <b2i_dss@plt>
  mov    %rax,%r12
L32:
  mov    %rbp,%rdi
  call   <free@plt>
L78:
  mov    0x48(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L55
  mov    %r12,%rax
  add    $0x50,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L31:
  mov    D5(%rip),%rax
  mov    (%rax),%esi
  mov    D10(%rip),%rax
  mov    (%rax),%edi
  call   <PEMerr@plt>
  mov    $0x0,%r12d
  jmp    L78
L1:
  mov    D23(%rip),%rax
  mov    (%rax),%esi
  mov    D10(%rip),%rax
  mov    (%rax),%edi
  call   <PEMerr@plt>
  mov    %rbp,%r12
  jmp    L32
L74:
  mov    D5(%rip),%rax
  mov    (%rax),%esi
  mov    D10(%rip),%rax
  mov    (%rax),%edi
  call   <PEMerr@plt>
  mov    $0x0,%r12d
  jmp    L32
L44:
  lea    0x28(%rsp),%rdi
  mov    0xc(%rsp),%ecx
  mov    0x1c(%rsp),%edx
  mov    %r12d,%esi
  call   <b2i_rsa@plt>
  mov    %rax,%r12
  jmp    L32
L55:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
EVP_PKEY *do_b2i_bio(BIO *in, int ispub) {
  const unsigned char *p;
  unsigned char hdr_buf[16], *buf = NULL;
  unsigned int bitlen, magic, length;
  int isdss;
  EVP_PKEY *ret = NULL;
  if (BIO_read(in, hdr_buf, 16) != 16) {
    PEMerr(PEM_F_DO_B2I_BIO, PEM_R_KEYBLOB_TOO_SHORT);
    return NULL;
  }
  p = hdr_buf;
  if (do_blob_header(&p, 16, &magic, &bitlen, &isdss, &ispub) <= 0)
    return NULL;
  length = blob_length(bitlen, isdss, ispub);
  buf = malloc(length);
  if (!buf) {
    PEMerr(PEM_F_DO_B2I_BIO, ERR_R_MALLOC_FAILURE);
    goto err;
  }
  p = buf;
  if (BIO_read(in, buf, length) != (int)length) {
    PEMerr(PEM_F_DO_B2I_BIO, PEM_R_KEYBLOB_TOO_SHORT);
    goto err;
  }
  if (isdss)
    ret = b2i_dss(&p, length, bitlen, ispub);
  else
    ret = b2i_rsa(&p, length, bitlen, ispub);
err:
  free(buf);
  return ret;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<do_b2i_bio>:
  endbr64
  push   %r14
  mov    $0x10,%edx
  push   %r13
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x50,%rsp
  mov    %esi,0xc(%rsp)
  lea    0x30(%rsp),%rbx
  mov    %rbx,%rsi
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  xor    %eax,%eax
  call   <BIO_read@plt>
  cmp    $0x10,%eax
  jne    L26
  lea    0x28(%rsp),%r14
  lea    0x1c(%rsp),%rcx
  mov    $0x10,%esi
  xor    %r13d,%r13d
  lea    0x20(%rsp),%rdx
  lea    0xc(%rsp),%r9
  mov    %r14,%rdi
  mov    %rbx,0x28(%rsp)
  lea    0x24(%rsp),%r8
  call   <do_blob_header@plt>
  test   %rax,%rax
  jle    L56
  mov    0xc(%rsp),%edx
  mov    0x24(%rsp),%esi
  mov    0x1c(%rsp),%edi
  call   <blob_length@plt>
  mov    %eax,%edi
  mov    %eax,%ebx
  call   <malloc@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L2
  mov    %rax,%rsi
  mov    %ebx,%edx
  mov    %rbp,%rdi
  mov    %rax,0x28(%rsp)
  call   <BIO_read@plt>
  mov    %eax,%esi
  cmp    %ebx,%eax
  jne    L50
  mov    0x24(%rsp),%eax
  mov    0xc(%rsp),%ecx
  mov    %r14,%rdi
  mov    0x1c(%rsp),%edx
  test   %eax,%eax
  jne    L21
  call   <b2i_rsa@plt>
  mov    %rax,%r13
L6:
  mov    %r12,%rdi
  call   <free@plt>
L56:
  mov    0x48(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L97
  add    $0x50,%rsp
  mov    %r13,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  xchg   %ax,%ax
L26:
  mov    D38(%rip),%rax
  xor    %r13d,%r13d
  mov    (%rax),%esi
  mov    D20(%rip),%rax
  mov    (%rax),%edi
  call   <PEMerr@plt>
  jmp    L56
  nopl   0x0(%rax)
L21:
  call   <b2i_dss@plt>
  mov    %rax,%r13
  jmp    L6
  nopw   0x0(%rax,%rax,1)
L2:
  mov    D49(%rip),%rax
  mov    (%rax),%esi
  mov    D20(%rip),%rax
  mov    (%rax),%edi
  call   <PEMerr@plt>
  jmp    L6
  nopl   0x0(%rax)
L50:
  mov    D38(%rip),%rax
  mov    (%rax),%esi
  mov    D20(%rip),%rax
  mov    (%rax),%edi
  call   <PEMerr@plt>
  jmp    L6
L97:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
EVP_PKEY *do_b2i_bio(BIO *in, int ispub) {
  const unsigned char *p;
  unsigned char hdr_buf[16], *buf = NULL;
  unsigned int bitlen, magic, length;
  int isdss;
  EVP_PKEY *ret = NULL;
  if (BIO_read(in, hdr_buf, 16) != 16) {
    PEMerr(PEM_F_DO_B2I_BIO, PEM_R_KEYBLOB_TOO_SHORT);
    return NULL;
  }
  p = hdr_buf;
  if (do_blob_header(&p, 16, &magic, &bitlen, &isdss, &ispub) <= 0)
    return NULL;
  length = blob_length(bitlen, isdss, ispub);
  buf = malloc(length);
  if (!buf) {
    PEMerr(PEM_F_DO_B2I_BIO, ERR_R_MALLOC_FAILURE);
    goto err;
  }
  p = buf;
  if (BIO_read(in, buf, length) != (int)length) {
    PEMerr(PEM_F_DO_B2I_BIO, PEM_R_KEYBLOB_TOO_SHORT);
    goto err;
  }
  if (isdss)
    ret = b2i_dss(&p, length, bitlen, ispub);
  else
    ret = b2i_rsa(&p, length, bitlen, ispub);
err:
  free(buf);
  return ret;
}
```