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
<CANRegRead>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  and    $0xfffff000,%edi
  push   %rbx
  sub    $0x18,%rsp
  call   <CANIntNumberGet@plt>
  xor    %edi,%edi
  cmp    $0xffffffffffffffff,%rax
  mov    %rax,%r12
  setne  %dil
  call   <DEBUG_ASSERT@plt>
  lea    -0x30(%r12),%ecx
  mov    $0x1,%edx
  movabs 0xe000e104,%rax
  shl    %cl,%edx
  movslq %edx,%rdx
  mov    %rdx,%rbx
  and    %rax,%rbx
  jne    L9
  mov    0x0(%rbp),%rax
  movq   $0x0,0x8(%rsp)
  mov    0x8(%rsp),%rax
  cmp    $0x4,%rax
  ja     L1
  nopw   0x0(%rax,%rax,1)
L33:
  mov    0x8(%rsp),%rdx
  add    $0x1,%rdx
  mov    %rdx,0x8(%rsp)
  mov    0x8(%rsp),%rdx
  cmp    $0x4,%rdx
  jbe    L33
  mov    0x0(%rbp),%r13
  test   %rbx,%rbx
  jne    L46
L22:
  add    $0x18,%rsp
  mov    %r13,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L9:
  mov    %r12,%rdi
  call   <IntDisable@plt>
  mov    0x0(%rbp),%rax
  movq   $0x0,0x8(%rsp)
  mov    0x8(%rsp),%rax
  cmp    $0x4,%rax
  jbe    L33
  mov    0x0(%rbp),%r13
L46:
  mov    %r12,%rdi
  call   <IntEnable@plt>
  add    $0x18,%rsp
  mov    %r13,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L1:
  mov    0x0(%rbp),%r13
  jmp    L22
```

assistant: ```c
unsigned long CANRegRead(unsigned long ulRegAddress) {
  volatile unsigned long ulDelay;
  unsigned long ulRetVal;
  unsigned long ulIntNumber;
  unsigned long ulReenableInts;
  ulIntNumber = CANIntNumberGet(ulRegAddress & 0xfffff000);
  DEBUG_ASSERT(ulIntNumber != (unsigned long)-1);
  ulReenableInts = (*((volatile unsigned long *)(0xE000E104))) & (1 << (ulIntNumber - 48));
  if (ulReenableInts) {
    IntDisable(ulIntNumber);
  }
  (*((volatile unsigned long *)(ulRegAddress)));
  for (ulDelay = 0; ulDelay < 5; ulDelay++) {
  }
  ulRetVal = (*((volatile unsigned long *)(ulRegAddress)));
  if (ulReenableInts) {
    IntEnable(ulIntNumber);
  }
  return (ulRetVal);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<CANRegRead>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  and    $0xfffff000,%edi
  push   %rbx
  sub    $0x18,%rsp
  call   <CANIntNumberGet@plt>
  xor    %edi,%edi
  cmp    $0xffffffffffffffff,%rax
  mov    %rax,%r12
  setne  %dil
  call   <DEBUG_ASSERT@plt>
  lea    -0x30(%r12),%ecx
  mov    $0x1,%edx
  movabs 0xe000e104,%rax
  shl    %cl,%edx
  movslq %edx,%rdx
  mov    %rdx,%rbx
  and    %rax,%rbx
  jne    L59
  mov    0x0(%rbp),%rax
  movq   $0x0,0x8(%rsp)
  mov    0x8(%rsp),%rax
  cmp    $0x4,%rax
  ja     L25
  nopw   0x0(%rax,%rax,1)
L2:
  mov    0x8(%rsp),%rdx
  add    $0x1,%rdx
  mov    %rdx,0x8(%rsp)
  mov    0x8(%rsp),%rdx
  cmp    $0x4,%rdx
  jbe    L2
  mov    0x0(%rbp),%r13
  test   %rbx,%rbx
  jne    L39
L49:
  add    $0x18,%rsp
  mov    %r13,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L59:
  mov    %r12,%rdi
  call   <IntDisable@plt>
  mov    0x0(%rbp),%rax
  movq   $0x0,0x8(%rsp)
  mov    0x8(%rsp),%rax
  cmp    $0x4,%rax
  jbe    L2
  mov    0x0(%rbp),%r13
L39:
  mov    %r12,%rdi
  call   <IntEnable@plt>
  add    $0x18,%rsp
  mov    %r13,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L25:
  mov    0x0(%rbp),%r13
  jmp    L49
```

assistant: ```c
unsigned long CANRegRead(unsigned long ulRegAddress) {
  volatile unsigned long ulDelay;
  unsigned long ulRetVal;
  unsigned long ulIntNumber;
  unsigned long ulReenableInts;
  ulIntNumber = CANIntNumberGet(ulRegAddress & 0xfffff000);
  DEBUG_ASSERT(ulIntNumber != (unsigned long)-1);
  ulReenableInts = (*((volatile unsigned long *)(0xE000E104))) & (1 << (ulIntNumber - 48));
  if (ulReenableInts) {
    IntDisable(ulIntNumber);
  }
  (*((volatile unsigned long *)(ulRegAddress)));
  for (ulDelay = 0; ulDelay < 5; ulDelay++) {
  }
  ulRetVal = (*((volatile unsigned long *)(ulRegAddress)));
  if (ulReenableInts) {
    IntEnable(ulIntNumber);
  }
  return (ulRetVal);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<GyOutSignal_lc898122_sharp>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    $0x45,%esi
  mov    $0x283,%edi
  call   <RegWriteA_lc898122_sharp@plt>
  mov    $0x43,%esi
  mov    $0x284,%edi
  call   <RegWriteA_lc898122_sharp@plt>
  mov    $0x2,%esi
  mov    $0x280,%edi
  call   <RegWriteA_lc898122_sharp@plt>
  nop
  pop    %rbp
  ret
```

assistant: ```c
void GyOutSignal_lc898122_sharp(void) {
  RegWriteA_lc898122_sharp(0x0283, 0x45);
  RegWriteA_lc898122_sharp(0x0284, 0x43);
  RegWriteA_lc898122_sharp(0x0280, 0x02);
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<GyOutSignal_lc898122_sharp>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x45,%esi
  mov    $0x283,%edi
  call   <RegWriteA_lc898122_sharp@plt>
  mov    $0x43,%esi
  mov    $0x284,%edi
  call   <RegWriteA_lc898122_sharp@plt>
  mov    $0x2,%esi
  mov    $0x280,%edi
  call   <RegWriteA_lc898122_sharp@plt>
  add    $0x8,%rsp
  ret
```

assistant: ```c
void GyOutSignal_lc898122_sharp(void) {
  RegWriteA_lc898122_sharp(0x0283, 0x45);
  RegWriteA_lc898122_sharp(0x0284, 0x43);
  RegWriteA_lc898122_sharp(0x0280, 0x02);
}
```
user: What is the c source code of the assembly code below?

```asm
<GyOutSignal_lc898122_sharp>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x45,%esi
  mov    $0x283,%edi
  call   <RegWriteA_lc898122_sharp@plt>
  mov    $0x43,%esi
  mov    $0x284,%edi
  call   <RegWriteA_lc898122_sharp@plt>
  mov    $0x2,%esi
  mov    $0x280,%edi
  add    $0x8,%rsp
  jmp    1050 <RegWriteA_lc898122_sharp@plt>
```

assistant: ```c
void GyOutSignal_lc898122_sharp(void) {
  RegWriteA_lc898122_sharp(0x0283, 0x45);
  RegWriteA_lc898122_sharp(0x0284, 0x43);
  RegWriteA_lc898122_sharp(0x0280, 0x02);
}
```
user: What is the c source code of the assembly code below:

```asm
<GyOutSignal_lc898122_sharp>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x45,%esi
  mov    $0x283,%edi
  call   <RegWriteA_lc898122_sharp@plt>
  mov    $0x43,%esi
  mov    $0x284,%edi
  call   <RegWriteA_lc898122_sharp@plt>
  mov    $0x2,%esi
  mov    $0x280,%edi
  add    $0x8,%rsp
  jmp    1050 <RegWriteA_lc898122_sharp@plt>
```

assistant: ```c
void GyOutSignal_lc898122_sharp(void) {
  RegWriteA_lc898122_sharp(0x0283, 0x45);
  RegWriteA_lc898122_sharp(0x0284, 0x43);
  RegWriteA_lc898122_sharp(0x0280, 0x02);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<printf>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0xd0,%rsp
  mov    %rdi,-0xc8(%rbp)
  mov    %rsi,-0xa8(%rbp)
  mov    %rdx,-0xa0(%rbp)
  mov    %rcx,-0x98(%rbp)
  mov    %r8,-0x90(%rbp)
  mov    %r9,-0x88(%rbp)
  test   %al,%al
  je     L8
  movaps %xmm0,-0x80(%rbp)
  movaps %xmm1,-0x70(%rbp)
  movaps %xmm2,-0x60(%rbp)
  movaps %xmm3,-0x50(%rbp)
  movaps %xmm4,-0x40(%rbp)
  movaps %xmm5,-0x30(%rbp)
  movaps %xmm6,-0x20(%rbp)
  movaps %xmm7,-0x10(%rbp)
L8:
  mov    -0xc8(%rbp),%rdx
  mov    -0xb4(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <va_start@plt>
  mov    D0(%rip),%rax
  mov    (%rax),%eax
  mov    -0xb4(%rbp),%edx
  mov    -0xc8(%rbp),%rcx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <vfprintf@plt>
  mov    -0xb4(%rbp),%eax
  mov    %eax,%edi
  call   <va_end@plt>
  mov    $0x0,%eax
  leave
  ret
```

assistant: ```c
int printf(const char *fmt, ...) {
  va_list arglist;
  va_start(arglist, fmt);
  vfprintf(stdout, fmt, arglist);
  va_end(arglist);
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<printf>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    %rdi,%rsi
  mov    $0x0,%ebp
  mov    %ebp,%edi
  call   <va_start@plt>
  mov    %ebp,%edx
  mov    %rbx,%rsi
  mov    D4(%rip),%rax
  mov    (%rax),%edi
  call   <vfprintf@plt>
  mov    %ebp,%edi
  call   <va_end@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
int printf(const char *fmt, ...) {
  va_list arglist;
  va_start(arglist, fmt);
  vfprintf(stdout, fmt, arglist);
  va_end(arglist);
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<printf>:
  endbr64
  push   %r12
  xor    %r12d,%r12d
  mov    %rdi,%rsi
  push   %rbp
  mov    %rdi,%rbp
  mov    %r12d,%edi
  sub    $0x8,%rsp
  call   <va_start@plt>
  mov    D1(%rip),%rax
  mov    %r12d,%edx
  mov    %rbp,%rsi
  mov    (%rax),%edi
  call   <vfprintf@plt>
  mov    %r12d,%edi
  call   <va_end@plt>
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
int printf(const char *fmt, ...) {
  va_list arglist;
  va_start(arglist, fmt);
  vfprintf(stdout, fmt, arglist);
  va_end(arglist);
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<printf>:
  endbr64
  push   %r12
  xor    %r12d,%r12d
  mov    %rdi,%rsi
  push   %rbp
  mov    %rdi,%rbp
  mov    %r12d,%edi
  sub    $0x8,%rsp
  call   <va_start@plt>
  mov    D1(%rip),%rax
  mov    %r12d,%edx
  mov    %rbp,%rsi
  mov    (%rax),%edi
  call   <vfprintf@plt>
  mov    %r12d,%edi
  call   <va_end@plt>
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
int printf(const char *fmt, ...) {
  va_list arglist;
  va_start(arglist, fmt);
  vfprintf(stdout, fmt, arglist);
  va_end(arglist);
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<tcbwtsortstrinsert>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r13
  mov    %esi,%ebp
  mov    %edx,%ebx
  mov    %ecx,%r12d
  mov    %esi,%edi
  or     %edx,%edi
  not    %edi
  shr    $0x1f,%edi
  test   %r13,%r13
  setne  %al
  and    %eax,%edi
  call   <assert@plt>
  cmp    $0x1,%ebp
  jle    L71
  lea    0x8(%r13),%r10
  mov    $0x1,%r14d
  movslq %r12d,%r11
  jmp    L48
L80:
  movzbl %sil,%esi
  movzbl %dl,%edx
  cmp    %edx,%esi
  jle    L20
  test   %r14d,%r14d
  jle    L149
  mov    %r10,%rdi
  mov    %r14d,%r8d
  jmp    L116
L76:
  movzbl %r15b,%r15d
  movzbl %dl,%edx
  cmp    %edx,%r15d
  jl     L18
L41:
  mov    %rsi,(%r9)
  sub    $0x8,%rdi
  sub    $0x1,%r8d
  je     L18
L116:
  mov    %rdi,%r9
  mov    -0x8(%rdi),%rsi
  mov    %r11,%rax
L147:
  movzbl (%rsi,%rax,1),%r15d
  movzbl (%rcx,%rax,1),%edx
  cmp    %dl,%r15b
  jne    L76
  add    $0x1,%rax
  cmp    %eax,%ebx
  jg     L147
  jmp    L41
L149:
  mov    %r14d,%r8d
L18:
  movslq %r8d,%r8
  mov    %rcx,0x0(%r13,%r8,8)
L20:
  add    $0x1,%r14d
  add    $0x8,%r10
  cmp    %r14d,%ebp
  je     L71
L48:
  mov    -0x8(%r10),%rdi
  mov    (%r10),%rcx
  cmp    %r12d,%ebx
  jle    L20
  mov    %r11,%rax
L112:
  movzbl (%rdi,%rax,1),%esi
  movzbl (%rcx,%rax,1),%edx
  cmp    %dl,%sil
  jne    L80
  add    $0x1,%rax
  cmp    %eax,%ebx
  jg     L112
  jmp    L20
L71:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void tcbwtsortstrinsert(const char **arrays, int anum, int len, int skip) {
  assert(arrays && anum >= 0 && len >= 0);
  for (int i = 1; i < anum; i++) {
    int cmp = 0;
    const unsigned char *ap = (unsigned char *)arrays[i - 1];
    const unsigned char *bp = (unsigned char *)arrays[i];
    for (int j = skip; j < len; j++) {
      if (ap[j] != bp[j]) {
        cmp = ap[j] - bp[j];
        break;
      }
    }
    if (cmp > 0) {
      const char *swap = arrays[i];
      int j;
      for (j = i; j > 0; j--) {
        int cmp = 0;
        const unsigned char *ap = (unsigned char *)arrays[j - 1];
        const unsigned char *bp = (unsigned char *)swap;
        for (int k = skip; k < len; k++) {
          if (ap[k] != bp[k]) {
            cmp = ap[k] - bp[k];
            break;
          }
        }
        if (cmp < 0)
          break;
        arrays[j] = arrays[j - 1];
      }
      arrays[j] = swap;
    }
  }
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<tcbwtsortstrinsert>:
  endbr64
  push   %r13
  mov    %esi,%r13d
  push   %r12
  mov    %ecx,%r12d
  push   %rbp
  mov    %rdi,%rbp
  mov    %esi,%edi
  push   %rbx
  or     %edx,%edi
  mov    %edx,%ebx
  not    %edi
  shr    $0x1f,%edi
  sub    $0x8,%rsp
  test   %rbp,%rbp
  setne  %al
  and    %eax,%edi
  call   <assert@plt>
  cmp    $0x1,%r13d
  jle    L4
  movslq %r13d,%r11
  mov    $0x1,%r9d
  movslq %r12d,%r10
  nopl   (%rax)
L51:
  mov    -0x8(%rbp,%r9,8),%rsi
  mov    0x0(%rbp,%r9,8),%rdi
  cmp    %r12d,%ebx
  jle    L126
  mov    %r10,%rax
  jmp    L65
  nopl   0x0(%rax)
L15:
  add    $0x1,%rax
  cmp    %eax,%ebx
  jle    L126
L65:
  movzbl (%rsi,%rax,1),%edx
  movzbl (%rdi,%rax,1),%ecx
  cmp    %cl,%dl
  je     L15
  cmp    %dl,%cl
  jae    L126
  lea    0x0(,%r9,8),%r8
L2:
  mov    %r10,%rax
  jmp    L105
  nopl   (%rax)
L120:
  add    $0x1,%rax
  cmp    %eax,%ebx
  jle    L66
L105:
  movzbl (%rsi,%rax,1),%edx
  movzbl (%rdi,%rax,1),%ecx
  cmp    %cl,%dl
  je     L120
  cmp    %dl,%cl
  ja     L113
L66:
  mov    %rsi,0x0(%rbp,%r8,1)
  sub    $0x8,%r8
  je     L49
  mov    -0x8(%rbp,%r8,1),%rsi
  jmp    L2
L49:
  mov    %rbp,%r8
L28:
  mov    %rdi,(%r8)
L126:
  add    $0x1,%r9
  cmp    %r9,%r11
  jne    L51
L4:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L113:
  add    %rbp,%r8
  jmp    L28
```

assistant: ```c
void tcbwtsortstrinsert(const char **arrays, int anum, int len, int skip) {
  assert(arrays && anum >= 0 && len >= 0);
  for (int i = 1; i < anum; i++) {
    int cmp = 0;
    const unsigned char *ap = (unsigned char *)arrays[i - 1];
    const unsigned char *bp = (unsigned char *)arrays[i];
    for (int j = skip; j < len; j++) {
      if (ap[j] != bp[j]) {
        cmp = ap[j] - bp[j];
        break;
      }
    }
    if (cmp > 0) {
      const char *swap = arrays[i];
      int j;
      for (j = i; j > 0; j--) {
        int cmp = 0;
        const unsigned char *ap = (unsigned char *)arrays[j - 1];
        const unsigned char *bp = (unsigned char *)swap;
        for (int k = skip; k < len; k++) {
          if (ap[k] != bp[k]) {
            cmp = ap[k] - bp[k];
            break;
          }
        }
        if (cmp < 0)
          break;
        arrays[j] = arrays[j - 1];
      }
      arrays[j] = swap;
    }
  }
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<tcbwtsortstrinsert>:
  endbr64
  push   %r13
  mov    %esi,%r13d
  push   %r12
  mov    %ecx,%r12d
  push   %rbp
  mov    %rdi,%rbp
  mov    %esi,%edi
  push   %rbx
  or     %edx,%edi
  mov    %edx,%ebx
  not    %edi
  shr    $0x1f,%edi
  sub    $0x8,%rsp
  test   %rbp,%rbp
  setne  %al
  and    %eax,%edi
  call   <assert@plt>
  cmp    $0x1,%r13d
  jle    L26
  movslq %r13d,%r11
  mov    $0x1,%r9d
  movslq %r12d,%r10
  nopl   (%rax)
L108:
  mov    -0x8(%rbp,%r9,8),%rdi
  mov    0x0(%rbp,%r9,8),%rsi
  cmp    %r12d,%ebx
  jle    L112
  mov    %r10,%rax
  jmp    L76
  nopl   0x0(%rax)
L59:
  add    $0x1,%rax
  cmp    %eax,%ebx
  jle    L112
L76:
  movzbl (%rdi,%rax,1),%edx
  movzbl (%rsi,%rax,1),%ecx
  cmp    %cl,%dl
  je     L59
  lea    0x0(,%r9,8),%r8
  cmp    %dl,%cl
  jae    L112
L103:
  mov    -0x8(%rbp,%r8,1),%rdi
  mov    %r10,%rax
  jmp    L41
  nopw   0x0(%rax,%rax,1)
L67:
  add    $0x1,%rax
  cmp    %eax,%ebx
  jle    L74
L41:
  movzbl (%rdi,%rax,1),%edx
  movzbl (%rsi,%rax,1),%ecx
  cmp    %cl,%dl
  je     L67
  cmp    %dl,%cl
  ja     L110
L74:
  mov    %rdi,0x0(%rbp,%r8,1)
  sub    $0x8,%r8
  jne    L103
  mov    %rbp,%r8
L43:
  mov    %rsi,(%r8)
L112:
  add    $0x1,%r9
  cmp    %r9,%r11
  jne    L108
L26:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L110:
  add    %rbp,%r8
  jmp    L43
```

assistant: ```c
void tcbwtsortstrinsert(const char **arrays, int anum, int len, int skip) {
  assert(arrays && anum >= 0 && len >= 0);
  for (int i = 1; i < anum; i++) {
    int cmp = 0;
    const unsigned char *ap = (unsigned char *)arrays[i - 1];
    const unsigned char *bp = (unsigned char *)arrays[i];
    for (int j = skip; j < len; j++) {
      if (ap[j] != bp[j]) {
        cmp = ap[j] - bp[j];
        break;
      }
    }
    if (cmp > 0) {
      const char *swap = arrays[i];
      int j;
      for (j = i; j > 0; j--) {
        int cmp = 0;
        const unsigned char *ap = (unsigned char *)arrays[j - 1];
        const unsigned char *bp = (unsigned char *)swap;
        for (int k = skip; k < len; k++) {
          if (ap[k] != bp[k]) {
            cmp = ap[k] - bp[k];
            break;
          }
        }
        if (cmp < 0)
          break;
        arrays[j] = arrays[j - 1];
      }
      arrays[j] = swap;
    }
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    $0x0,%esi
  mov    $0xffffffff,%edi
  call   <timerfd_create@plt>
  test   %rax,%rax
  jns    L5
  mov    D13(%rip),%rax
  mov    (%rax),%rdx
  mov    D15(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,%rdx
  jne    L5
  mov    $0x1,%eax
  jmp    L6
L5:
  mov    $0x0,%eax
L6:
  mov    %eax,%edi
  call   <assert@plt>
  mov    $0x0,%eax
  leave
  ret
```

assistant: ```c
int main(int argc, char *argv[]) {
  assert(timerfd_create(-1, 0) < 0 && errno == EINVAL);
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%esi
  mov    $0xffffffff,%edi
  call   <timerfd_create@plt>
  mov    $0x0,%edi
  test   %rax,%rax
  js     L11
L13:
  call   <assert@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
L11:
  mov    D0(%rip),%rdx
  mov    D10(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,(%rdx)
  sete   %dil
  movzbl %dil,%edi
  jmp    L13
```

assistant: ```c
int main(int argc, char *argv[]) {
  assert(timerfd_create(-1, 0) < 0 && errno == EINVAL);
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<main>:
  endbr64
  mov    $0xffffffff,%edi
  sub    $0x8,%rsp
  xor    %esi,%esi
  call   <timerfd_create@plt>
  xor    %edi,%edi
  test   %rax,%rax
  jns    L5
  mov    D12(%rip),%rdx
  mov    D4(%rip),%rax
  xor    %edi,%edi
  mov    (%rax),%rax
  cmp    %rax,(%rdx)
  sete   %dil
L5:
  call   <assert@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main(int argc, char *argv[]) {
  assert(timerfd_create(-1, 0) < 0 && errno == EINVAL);
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<main>:
  endbr64
  mov    $0xffffffff,%edi
  sub    $0x8,%rsp
  xor    %esi,%esi
  call   <timerfd_create@plt>
  xor    %edi,%edi
  test   %rax,%rax
  jns    L8
  mov    D7(%rip),%rdx
  mov    D12(%rip),%rax
  xor    %edi,%edi
  mov    (%rax),%rax
  cmp    %rax,(%rdx)
  sete   %dil
L8:
  call   <assert@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main(int argc, char *argv[]) {
  assert(timerfd_create(-1, 0) < 0 && errno == EINVAL);
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<strstr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  movzbl (%rax),%eax
  mov    %al,-0xa(%rbp)
  cmpb   $0x0,-0xa(%rbp)
  je     L12
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,-0x8(%rbp)
L19:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movzbl (%rax),%eax
  mov    %al,-0x9(%rbp)
  cmpb   $0x0,-0x9(%rbp)
  jne    L28
  mov    $0x0,%eax
  jmp    L46
L28:
  movzbl -0x9(%rbp),%eax
  cmp    -0xa(%rbp),%al
  jne    L19
  mov    -0x8(%rbp),%rdx
  mov    -0x20(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncmp@plt>
  test   %rax,%rax
  jne    L19
  subq   $0x1,-0x18(%rbp)
L12:
  mov    -0x18(%rbp),%rax
L46:
  leave
  ret
```

assistant: ```c
char *strstr(const char *s, const char *find) {
  char c, sc;
  size_t len;
  c = *find++;
  if (c != 0) {
    len = strlen(find);
    do {
      do {
        sc = *s++;
        if (sc == 0) {
          return NULL;
        }
      } while (sc != c);
    } while (strncmp(s, find, len) != 0);
    s--;
  }
  return (char *)s;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<strstr>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  movzbl (%rsi),%r12d
  test   %r12b,%r12b
  je     L58
  lea    0x1(%rsi),%r13
  mov    %r13,%rdi
  call   <strlen@plt>
  mov    %rax,%r14
  lea    0x1(%rbp),%rbx
  movzbl 0x0(%rbp),%eax
  test   %al,%al
  jne    L7
  mov    $0x0,%ebp
  jmp    L58
L11:
  add    $0x1,%rbx
  movzbl -0x1(%rbx),%eax
  test   %al,%al
  je     L55
L7:
  lea    -0x1(%rbx),%rbp
  cmp    %al,%r12b
  jne    L11
  mov    %r14,%rdx
  mov    %r13,%rsi
  mov    %rbx,%rdi
  call   <strncmp@plt>
  test   %rax,%rax
  jne    L11
  jmp    L58
L55:
  mov    $0x0,%ebp
L58:
  mov    %rbp,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
char *strstr(const char *s, const char *find) {
  char c, sc;
  size_t len;
  c = *find++;
  if (c != 0) {
    len = strlen(find);
    do {
      do {
        sc = *s++;
        if (sc == 0) {
          return NULL;
        }
      } while (sc != c);
    } while (strncmp(s, find, len) != 0);
    s--;
  }
  return (char *)s;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<strstr>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  movzbl (%rsi),%ebp
  test   %bpl,%bpl
  je     L42
  lea    0x1(%rsi),%r13
  lea    0x1(%r12),%rbx
  mov    %r13,%rdi
  call   <strlen@plt>
  mov    %rax,%r14
  movzbl (%r12),%eax
  test   %al,%al
  jne    L39
  nopl   0x0(%rax)
L47:
  xor    %r12d,%r12d
L42:
  pop    %rbx
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopw   0x0(%rax,%rax,1)
L4:
  mov    %r14,%rdx
  mov    %r13,%rsi
  mov    %rbx,%rdi
  call   <strncmp@plt>
  test   %rax,%rax
  je     L42
  nopl   0x0(%rax,%rax,1)
L58:
  movzbl (%rbx),%eax
  add    $0x1,%rbx
  test   %al,%al
  je     L47
L39:
  lea    -0x1(%rbx),%r12
  cmp    %al,%bpl
  jne    L58
  jmp    L4
```

assistant: ```c
char *strstr(const char *s, const char *find) {
  char c, sc;
  size_t len;
  c = *find++;
  if (c != 0) {
    len = strlen(find);
    do {
      do {
        sc = *s++;
        if (sc == 0) {
          return NULL;
        }
      } while (sc != c);
    } while (strncmp(s, find, len) != 0);
    s--;
  }
  return (char *)s;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<strstr>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  movzbl (%rsi),%ebp
  test   %bpl,%bpl
  je     L30
  lea    0x1(%rsi),%r13
  lea    0x1(%r12),%rbx
  mov    %r13,%rdi
  call   <strlen@plt>
  mov    %rax,%r14
  movzbl (%r12),%eax
  test   %al,%al
  jne    L48
  nopl   0x0(%rax)
L16:
  xor    %r12d,%r12d
L30:
  pop    %rbx
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopw   0x0(%rax,%rax,1)
L17:
  mov    %r14,%rdx
  mov    %r13,%rsi
  mov    %rbx,%rdi
  call   <strncmp@plt>
  test   %rax,%rax
  je     L30
  nopl   0x0(%rax,%rax,1)
L1:
  movzbl (%rbx),%eax
  add    $0x1,%rbx
  test   %al,%al
  je     L16
L48:
  lea    -0x1(%rbx),%r12
  cmp    %al,%bpl
  jne    L1
  jmp    L17
```

assistant: ```c
char *strstr(const char *s, const char *find) {
  char c, sc;
  size_t len;
  c = *find++;
  if (c != 0) {
    len = strlen(find);
    do {
      do {
        sc = *s++;
        if (sc == 0) {
          return NULL;
        }
      } while (sc != c);
    } while (strncmp(s, find, len) != 0);
    s--;
  }
  return (char *)s;
}
```