ylfeng/ReF-Decompile-dataset huggingface dataset:
user: What is the c source code of the assembly code below:

```asm
<JoinNameIndexToSection>:
  endbr64
  push   %r14
  push   %r13
  mov    %rsi,%r13
  push   %r12
  mov    %rdx,%r12
  push   %rbp
  mov    %rdi,%rbp
  mov    %rsi,%rdi
  push   %rbx
  call   <strlen@plt>
  movslq %eax,%rbx
  test   %ebx,%ebx
  jle    L5
  mov    %r12,%rdi
  call   <strlen@plt>
  movslq %eax,%r14
  test   %r14d,%r14d
  jle    L5
  mov    0x0(%rbp),%rdi
  mov    %r13,%rsi
  call   <strcat@plt>
  mov    0x0(%rbp),%rdi
  lea    D3(%rip),%rsi
  add    %rbx,%rdi
  add    $0x1,%rbx
  call   <strcat@plt>
  mov    0x0(%rbp),%rdi
  mov    %r12,%rsi
  add    %rbx,%rdi
  call   <strcat@plt>
  add    0x0(%rbp),%rbx
  mov    $0x1,%eax
  movb   $0x0,(%rbx,%r14,1)
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   (%rax)
L5:
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

tool_calls: name: retrieve_data
arguments: label: D3
data_type: string

tool: D3: :

assistant: ```c
int JoinNameIndexToSection(char **section, char *name, char *index) {
  int n1, n2;
  if ((n1 = strlen((char *)name)) < 1)
    return 0;
  if ((n2 = strlen((char *)index)) < 1)
    return 0;
  strcat(*section, name);
  strcat(*section + n1, ":");
  strcat(*section + n1 + 1, index);
  *(*section + n1 + 1 + n2) = '\0';
  return 1;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<gf8mul_01000111>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  pxor   %xmm7,%xmm5
  pxor   %xmm7,%xmm4
  pxor   %xmm7,%xmm3
  pxor   %xmm7,%xmm1
  pxor   %xmm6,%xmm4
  pxor   %xmm6,%xmm3
  pxor   %xmm6,%xmm2
  pxor   %xmm6,%xmm0
  pxor   %xmm5,%xmm7
  pxor   %xmm5,%xmm4
  pxor   %xmm5,%xmm3
  pxor   %xmm5,%xmm1
  pxor   %xmm7,%xmm5
  pxor   %xmm4,%xmm6
  pxor   %xmm4,%xmm3
  pxor   %xmm4,%xmm2
  pxor   %xmm4,%xmm0
  pxor   %xmm6,%xmm4
  pxor   %xmm3,%xmm7
  pxor   %xmm3,%xmm1
  pxor   %xmm2,%xmm7
  pxor   %xmm2,%xmm6
  pxor   %xmm2,%xmm3
  pxor   %xmm2,%xmm1
  pxor   %xmm2,%xmm0
  pxor   %xmm3,%xmm2
  pxor   %xmm1,%xmm7
  pxor   %xmm1,%xmm3
  pxor   %xmm1,%xmm2
  pxor   %xmm0,%xmm6
  pxor   %xmm0,%xmm2
  pxor   %xmm0,%xmm1
  nop
  pop    %rbp
  ret
```

assistant: ```c
void gf8mul_01000111(void) {
  __asm__ __volatile__("\tpxor    %xmm7, %xmm5\n"
                       "\tpxor    %xmm7, %xmm4\n"
                       "\tpxor    %xmm7, %xmm3\n"
                       "\tpxor    %xmm7, %xmm1\n"
                       "\tpxor    %xmm6, %xmm4\n"
                       "\tpxor    %xmm6, %xmm3\n"
                       "\tpxor    %xmm6, %xmm2\n"
                       "\tpxor    %xmm6, %xmm0\n"
                       "\tpxor    %xmm5, %xmm7\n"
                       "\tpxor    %xmm5, %xmm4\n"
                       "\tpxor    %xmm5, %xmm3\n"
                       "\tpxor    %xmm5, %xmm1\n"
                       "\tpxor    %xmm7, %xmm5\n"
                       "\tpxor    %xmm4, %xmm6\n"
                       "\tpxor    %xmm4, %xmm3\n"
                       "\tpxor    %xmm4, %xmm2\n"
                       "\tpxor    %xmm4, %xmm0\n"
                       "\tpxor    %xmm6, %xmm4\n"
                       "\tpxor    %xmm3, %xmm7\n"
                       "\tpxor    %xmm3, %xmm1\n"
                       "\tpxor    %xmm2, %xmm7\n"
                       "\tpxor    %xmm2, %xmm6\n"
                       "\tpxor    %xmm2, %xmm3\n"
                       "\tpxor    %xmm2, %xmm1\n"
                       "\tpxor    %xmm2, %xmm0\n"
                       "\tpxor    %xmm3, %xmm2\n"
                       "\tpxor    %xmm1, %xmm7\n"
                       "\tpxor    %xmm1, %xmm3\n"
                       "\tpxor    %xmm1, %xmm2\n"
                       "\tpxor    %xmm0, %xmm6\n"
                       "\tpxor    %xmm0, %xmm2\n"
                       "\tpxor    %xmm0, %xmm1\n");
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<gf8mul_01000111>:
  endbr64
  pxor   %xmm7,%xmm5
  pxor   %xmm7,%xmm4
  pxor   %xmm7,%xmm3
  pxor   %xmm7,%xmm1
  pxor   %xmm6,%xmm4
  pxor   %xmm6,%xmm3
  pxor   %xmm6,%xmm2
  pxor   %xmm6,%xmm0
  pxor   %xmm5,%xmm7
  pxor   %xmm5,%xmm4
  pxor   %xmm5,%xmm3
  pxor   %xmm5,%xmm1
  pxor   %xmm7,%xmm5
  pxor   %xmm4,%xmm6
  pxor   %xmm4,%xmm3
  pxor   %xmm4,%xmm2
  pxor   %xmm4,%xmm0
  pxor   %xmm6,%xmm4
  pxor   %xmm3,%xmm7
  pxor   %xmm3,%xmm1
  pxor   %xmm2,%xmm7
  pxor   %xmm2,%xmm6
  pxor   %xmm2,%xmm3
  pxor   %xmm2,%xmm1
  pxor   %xmm2,%xmm0
  pxor   %xmm3,%xmm2
  pxor   %xmm1,%xmm7
  pxor   %xmm1,%xmm3
  pxor   %xmm1,%xmm2
  pxor   %xmm0,%xmm6
  pxor   %xmm0,%xmm2
  pxor   %xmm0,%xmm1
  ret
```

assistant: ```c
void gf8mul_01000111(void) {
  __asm__ __volatile__("\tpxor    %xmm7, %xmm5\n"
                       "\tpxor    %xmm7, %xmm4\n"
                       "\tpxor    %xmm7, %xmm3\n"
                       "\tpxor    %xmm7, %xmm1\n"
                       "\tpxor    %xmm6, %xmm4\n"
                       "\tpxor    %xmm6, %xmm3\n"
                       "\tpxor    %xmm6, %xmm2\n"
                       "\tpxor    %xmm6, %xmm0\n"
                       "\tpxor    %xmm5, %xmm7\n"
                       "\tpxor    %xmm5, %xmm4\n"
                       "\tpxor    %xmm5, %xmm3\n"
                       "\tpxor    %xmm5, %xmm1\n"
                       "\tpxor    %xmm7, %xmm5\n"
                       "\tpxor    %xmm4, %xmm6\n"
                       "\tpxor    %xmm4, %xmm3\n"
                       "\tpxor    %xmm4, %xmm2\n"
                       "\tpxor    %xmm4, %xmm0\n"
                       "\tpxor    %xmm6, %xmm4\n"
                       "\tpxor    %xmm3, %xmm7\n"
                       "\tpxor    %xmm3, %xmm1\n"
                       "\tpxor    %xmm2, %xmm7\n"
                       "\tpxor    %xmm2, %xmm6\n"
                       "\tpxor    %xmm2, %xmm3\n"
                       "\tpxor    %xmm2, %xmm1\n"
                       "\tpxor    %xmm2, %xmm0\n"
                       "\tpxor    %xmm3, %xmm2\n"
                       "\tpxor    %xmm1, %xmm7\n"
                       "\tpxor    %xmm1, %xmm3\n"
                       "\tpxor    %xmm1, %xmm2\n"
                       "\tpxor    %xmm0, %xmm6\n"
                       "\tpxor    %xmm0, %xmm2\n"
                       "\tpxor    %xmm0, %xmm1\n");
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<gf8mul_01000111>:
  endbr64
  pxor   %xmm7,%xmm5
  pxor   %xmm7,%xmm4
  pxor   %xmm7,%xmm3
  pxor   %xmm7,%xmm1
  pxor   %xmm6,%xmm4
  pxor   %xmm6,%xmm3
  pxor   %xmm6,%xmm2
  pxor   %xmm6,%xmm0
  pxor   %xmm5,%xmm7
  pxor   %xmm5,%xmm4
  pxor   %xmm5,%xmm3
  pxor   %xmm5,%xmm1
  pxor   %xmm7,%xmm5
  pxor   %xmm4,%xmm6
  pxor   %xmm4,%xmm3
  pxor   %xmm4,%xmm2
  pxor   %xmm4,%xmm0
  pxor   %xmm6,%xmm4
  pxor   %xmm3,%xmm7
  pxor   %xmm3,%xmm1
  pxor   %xmm2,%xmm7
  pxor   %xmm2,%xmm6
  pxor   %xmm2,%xmm3
  pxor   %xmm2,%xmm1
  pxor   %xmm2,%xmm0
  pxor   %xmm3,%xmm2
  pxor   %xmm1,%xmm7
  pxor   %xmm1,%xmm3
  pxor   %xmm1,%xmm2
  pxor   %xmm0,%xmm6
  pxor   %xmm0,%xmm2
  pxor   %xmm0,%xmm1
  ret
```

assistant: ```c
void gf8mul_01000111(void) {
  __asm__ __volatile__("\tpxor    %xmm7, %xmm5\n"
                       "\tpxor    %xmm7, %xmm4\n"
                       "\tpxor    %xmm7, %xmm3\n"
                       "\tpxor    %xmm7, %xmm1\n"
                       "\tpxor    %xmm6, %xmm4\n"
                       "\tpxor    %xmm6, %xmm3\n"
                       "\tpxor    %xmm6, %xmm2\n"
                       "\tpxor    %xmm6, %xmm0\n"
                       "\tpxor    %xmm5, %xmm7\n"
                       "\tpxor    %xmm5, %xmm4\n"
                       "\tpxor    %xmm5, %xmm3\n"
                       "\tpxor    %xmm5, %xmm1\n"
                       "\tpxor    %xmm7, %xmm5\n"
                       "\tpxor    %xmm4, %xmm6\n"
                       "\tpxor    %xmm4, %xmm3\n"
                       "\tpxor    %xmm4, %xmm2\n"
                       "\tpxor    %xmm4, %xmm0\n"
                       "\tpxor    %xmm6, %xmm4\n"
                       "\tpxor    %xmm3, %xmm7\n"
                       "\tpxor    %xmm3, %xmm1\n"
                       "\tpxor    %xmm2, %xmm7\n"
                       "\tpxor    %xmm2, %xmm6\n"
                       "\tpxor    %xmm2, %xmm3\n"
                       "\tpxor    %xmm2, %xmm1\n"
                       "\tpxor    %xmm2, %xmm0\n"
                       "\tpxor    %xmm3, %xmm2\n"
                       "\tpxor    %xmm1, %xmm7\n"
                       "\tpxor    %xmm1, %xmm3\n"
                       "\tpxor    %xmm1, %xmm2\n"
                       "\tpxor    %xmm0, %xmm6\n"
                       "\tpxor    %xmm0, %xmm2\n"
                       "\tpxor    %xmm0, %xmm1\n");
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<gf8mul_01000111>:
  endbr64
  pxor   %xmm7,%xmm5
  pxor   %xmm7,%xmm4
  pxor   %xmm7,%xmm3
  pxor   %xmm7,%xmm1
  pxor   %xmm6,%xmm4
  pxor   %xmm6,%xmm3
  pxor   %xmm6,%xmm2
  pxor   %xmm6,%xmm0
  pxor   %xmm5,%xmm7
  pxor   %xmm5,%xmm4
  pxor   %xmm5,%xmm3
  pxor   %xmm5,%xmm1
  pxor   %xmm7,%xmm5
  pxor   %xmm4,%xmm6
  pxor   %xmm4,%xmm3
  pxor   %xmm4,%xmm2
  pxor   %xmm4,%xmm0
  pxor   %xmm6,%xmm4
  pxor   %xmm3,%xmm7
  pxor   %xmm3,%xmm1
  pxor   %xmm2,%xmm7
  pxor   %xmm2,%xmm6
  pxor   %xmm2,%xmm3
  pxor   %xmm2,%xmm1
  pxor   %xmm2,%xmm0
  pxor   %xmm3,%xmm2
  pxor   %xmm1,%xmm7
  pxor   %xmm1,%xmm3
  pxor   %xmm1,%xmm2
  pxor   %xmm0,%xmm6
  pxor   %xmm0,%xmm2
  pxor   %xmm0,%xmm1
  ret
```

assistant: ```c
void gf8mul_01000111(void) {
  __asm__ __volatile__("\tpxor    %xmm7, %xmm5\n"
                       "\tpxor    %xmm7, %xmm4\n"
                       "\tpxor    %xmm7, %xmm3\n"
                       "\tpxor    %xmm7, %xmm1\n"
                       "\tpxor    %xmm6, %xmm4\n"
                       "\tpxor    %xmm6, %xmm3\n"
                       "\tpxor    %xmm6, %xmm2\n"
                       "\tpxor    %xmm6, %xmm0\n"
                       "\tpxor    %xmm5, %xmm7\n"
                       "\tpxor    %xmm5, %xmm4\n"
                       "\tpxor    %xmm5, %xmm3\n"
                       "\tpxor    %xmm5, %xmm1\n"
                       "\tpxor    %xmm7, %xmm5\n"
                       "\tpxor    %xmm4, %xmm6\n"
                       "\tpxor    %xmm4, %xmm3\n"
                       "\tpxor    %xmm4, %xmm2\n"
                       "\tpxor    %xmm4, %xmm0\n"
                       "\tpxor    %xmm6, %xmm4\n"
                       "\tpxor    %xmm3, %xmm7\n"
                       "\tpxor    %xmm3, %xmm1\n"
                       "\tpxor    %xmm2, %xmm7\n"
                       "\tpxor    %xmm2, %xmm6\n"
                       "\tpxor    %xmm2, %xmm3\n"
                       "\tpxor    %xmm2, %xmm1\n"
                       "\tpxor    %xmm2, %xmm0\n"
                       "\tpxor    %xmm3, %xmm2\n"
                       "\tpxor    %xmm1, %xmm7\n"
                       "\tpxor    %xmm1, %xmm3\n"
                       "\tpxor    %xmm1, %xmm2\n"
                       "\tpxor    %xmm0, %xmm6\n"
                       "\tpxor    %xmm0, %xmm2\n"
                       "\tpxor    %xmm0, %xmm1\n");
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    $0x0,%eax
  call   <foo@plt>
  mov    $0x0,%eax
  call   <xxx@plt>
  mov    $0x0,%eax
  pop    %rbp
  ret
```

assistant: ```c
int main(void) {
  foo();
  xxx();
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <foo@plt>
  mov    $0x0,%eax
  call   <xxx@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main(void) {
  foo();
  xxx();
  return 0;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <foo@plt>
  xor    %eax,%eax
  call   <xxx@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main(void) {
  foo();
  xxx();
  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
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <foo@plt>
  xor    %eax,%eax
  call   <xxx@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main(void) {
  foo();
  xxx();
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<randomize_digits>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %edi,-0x24(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    -0x30(%rbp),%rax
  mov    (%rax),%eax
  mov    %eax,%edi
  call   <pseudo_random@plt>
  mov    -0x30(%rbp),%rdx
  mov    %eax,(%rdx)
  movl   $0x1,-0x14(%rbp)
  jmp    L0
L8:
  mov    -0x14(%rbp),%eax
  cltq
  shl    $0x2,%rax
  lea    -0x4(%rax),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    -0x14(%rbp),%edx
  movslq %edx,%rdx
  lea    0x0(,%rdx,4),%rcx
  mov    -0x30(%rbp),%rdx
  lea    (%rcx,%rdx,1),%rbx
  mov    %eax,%edi
  call   <pseudo_random@plt>
  mov    %eax,(%rbx)
  addl   $0x1,-0x14(%rbp)
L0:
  mov    -0x14(%rbp),%eax
  cmp    %eax,-0x24(%rbp)
  ja     L8
  nop
  nop
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
void randomize_digits(unsigned int len, unsigned int *digits) {
  int i;
  digits[0] = pseudo_random(digits[0]);
  for (i = 1; i < len; ++i) {
    digits[i] = pseudo_random(digits[i - 1]);
  }
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<randomize_digits>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edi,%r12d
  mov    %rsi,%rbp
  mov    (%rsi),%edi
  call   <pseudo_random@plt>
  mov    %eax,0x0(%rbp)
  cmp    $0x1,%r12d
  jbe    L10
  mov    %rbp,%rbx
  lea    -0x2(%r12),%eax
  lea    0x4(%rbp,%rax,4),%rbp
L9:
  mov    (%rbx),%edi
  call   <pseudo_random@plt>
  mov    %eax,0x4(%rbx)
  add    $0x4,%rbx
  cmp    %rbp,%rbx
  jne    L9
L10:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
void randomize_digits(unsigned int len, unsigned int *digits) {
  int i;
  digits[0] = pseudo_random(digits[0]);
  for (i = 1; i < len; ++i) {
    digits[i] = pseudo_random(digits[i - 1]);
  }
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<randomize_digits>:
  endbr64
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x8,%rsp
  mov    (%rsi),%edi
  call   <pseudo_random@plt>
  mov    %eax,(%rbx)
  cmp    $0x1,%ebp
  jbe    L25
  mov    %eax,%edi
  add    $0x4,%rbx
  lea    -0x2(%rbp),%eax
  lea    (%rbx,%rax,4),%rbp
  jmp    L10
  nopl   0x0(%rax)
L1:
  add    $0x4,%rbx
L10:
  call   <pseudo_random@plt>
  mov    %eax,(%rbx)
  mov    %eax,%edi
  cmp    %rbp,%rbx
  jne    L1
L25:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void randomize_digits(unsigned int len, unsigned int *digits) {
  int i;
  digits[0] = pseudo_random(digits[0]);
  for (i = 1; i < len; ++i) {
    digits[i] = pseudo_random(digits[i - 1]);
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<randomize_digits>:
  endbr64
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x8,%rsp
  mov    (%rsi),%edi
  call   <pseudo_random@plt>
  mov    %eax,(%rbx)
  cmp    $0x1,%ebp
  jbe    L2
  lea    -0x2(%rbp),%eax
  lea    0x4(%rbx,%rax,4),%rbp
  nopl   (%rax)
L10:
  mov    (%rbx),%edi
  add    $0x4,%rbx
  call   <pseudo_random@plt>
  mov    %eax,(%rbx)
  cmp    %rbx,%rbp
  jne    L10
L2:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void randomize_digits(unsigned int len, unsigned int *digits) {
  int i;
  digits[0] = pseudo_random(digits[0]);
  for (i = 1; i < len; ++i) {
    digits[i] = pseudo_random(digits[i - 1]);
  }
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<getFileExtension>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    $0x2e,%esi
  mov    %rax,%rdi
  call   <strrchr@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  je     L19
  mov    -0x8(%rbp),%rax
  add    $0x1,%rax
  jmp    L1
L19:
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
L1:
  leave
  ret
```

assistant: ```c
char *getFileExtension(char *path) {
  char *fext = strrchr(path, '.');
  if (fext)
    return fext + 1;
  return path + strlen(path);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<getFileExtension>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  mov    $0x2e,%esi
  call   <strrchr@plt>
  test   %rax,%rax
  je     L16
  add    $0x1,%rax
L18:
  pop    %rbx
  ret
L16:
  mov    %rbx,%rdi
  call   <strlen@plt>
  cltq
  add    %rbx,%rax
  jmp    L18
```

assistant: ```c
char *getFileExtension(char *path) {
  char *fext = strrchr(path, '.');
  if (fext)
    return fext + 1;
  return path + strlen(path);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<getFileExtension>:
  endbr64
  push   %rbx
  mov    $0x2e,%esi
  mov    %rdi,%rbx
  call   <strrchr@plt>
  test   %rax,%rax
  je     L1
  add    $0x1,%rax
  pop    %rbx
  ret
  nopl   (%rax)
L1:
  mov    %rbx,%rdi
  call   <strlen@plt>
  cltq
  add    %rbx,%rax
  pop    %rbx
  ret
```

assistant: ```c
char *getFileExtension(char *path) {
  char *fext = strrchr(path, '.');
  if (fext)
    return fext + 1;
  return path + strlen(path);
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<getFileExtension>:
  endbr64
  push   %rbx
  mov    $0x2e,%esi
  mov    %rdi,%rbx
  call   <strrchr@plt>
  test   %rax,%rax
  je     L9
  add    $0x1,%rax
  pop    %rbx
  ret
  nopl   (%rax)
L9:
  mov    %rbx,%rdi
  call   <strlen@plt>
  cltq
  add    %rbx,%rax
  pop    %rbx
  ret
```

assistant: ```c
char *getFileExtension(char *path) {
  char *fext = strrchr(path, '.');
  if (fext)
    return fext + 1;
  return path + strlen(path);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<fib>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,-0x18(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  je     L7
  cmpq   $0x1,-0x18(%rbp)
  jne    L24
L7:
  mov    $0x1,%eax
  jmp    L20
L24:
  mov    -0x18(%rbp),%rax
  sub    $0x1,%rax
  mov    %rax,%rdi
  call   <fib>
  mov    %rax,%rbx
  mov    -0x18(%rbp),%rax
  sub    $0x2,%rax
  mov    %rax,%rdi
  call   <fib>
  add    %rbx,%rax
L20:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
long fib(long n) {
  if (n == 0 || n == 1)
    return 1;
  else
    return fib(n - 1) + fib(n - 2);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<fib>:
  endbr64
  mov    $0x1,%eax
  cmp    $0x1,%rdi
  ja     L4
  ret
L4:
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  lea    -0x1(%rdi),%rdi
  call   <fib>
  mov    %rax,%rbp
  lea    -0x2(%rbx),%rdi
  call   <fib>
  add    %rbp,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
long fib(long n) {
  if (n == 0 || n == 1)
    return 1;
  else
    return fib(n - 1) + fib(n - 2);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<M_StrCaseStr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0xc(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0x8(%rbp)
  mov    -0xc(%rbp),%eax
  cmp    -0x8(%rbp),%eax
  jae    L0
  mov    $0x0,%eax
  jmp    L42
L0:
  mov    -0xc(%rbp),%eax
  sub    -0x8(%rbp),%eax
  mov    %eax,-0x4(%rbp)
  movl   $0x0,-0x10(%rbp)
  jmp    L26
L32:
  mov    -0x10(%rbp),%edx
  mov    -0x18(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x8(%rbp),%edx
  mov    -0x20(%rbp),%rax
  mov    %rax,%rsi
  mov    %rcx,%rdi
  call   <strncasecmp@plt>
  test   %eax,%eax
  jne    L6
  mov    -0x10(%rbp),%edx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  jmp    L42
L6:
  addl   $0x1,-0x10(%rbp)
L26:
  mov    -0x10(%rbp),%eax
  cmp    -0x4(%rbp),%eax
  jbe    L32
  mov    $0x0,%eax
L42:
  leave
  ret
```

assistant: ```c
char *M_StrCaseStr(char *haystack, char *needle) {
  unsigned int haystack_len;
  unsigned int needle_len;
  unsigned int len;
  unsigned int i;
  haystack_len = strlen(haystack);
  needle_len = strlen(needle);
  if (haystack_len < needle_len) {
    return NULL;
  }
  len = haystack_len - needle_len;
  for (i = 0; i <= len; ++i) {
    if (!strncasecmp(haystack + i, needle, needle_len)) {
      return haystack + i;
    }
  }
  return NULL;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<M_StrCaseStr>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r14
  mov    %rsi,%r15
  call   <strlen@plt>
  mov    %eax,%r12d
  mov    %r15,%rdi
  call   <strlen@plt>
  cmp    %eax,%r12d
  jb     L24
  mov    %eax,%r13d
  sub    %eax,%r12d
  mov    $0x0,%ebp
L3:
  mov    %ebp,%ebx
  add    %r14,%rbx
  mov    %r13d,%edx
  mov    %r15,%rsi
  mov    %rbx,%rdi
  call   <strncasecmp@plt>
  test   %eax,%eax
  je     L34
  add    $0x1,%ebp
  cmp    %ebp,%r12d
  jae    L3
  mov    $0x0,%ebx
L34:
  mov    %rbx,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L24:
  mov    $0x0,%ebx
  jmp    L34
```

assistant: ```c
char *M_StrCaseStr(char *haystack, char *needle) {
  unsigned int haystack_len;
  unsigned int needle_len;
  unsigned int len;
  unsigned int i;
  haystack_len = strlen(haystack);
  needle_len = strlen(needle);
  if (haystack_len < needle_len) {
    return NULL;
  }
  len = haystack_len - needle_len;
  for (i = 0; i <= len; ++i) {
    if (!strncasecmp(haystack + i, needle, needle_len)) {
      return haystack + i;
    }
  }
  return NULL;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<M_StrCaseStr>:
  endbr64
  push   %r15
  push   %r14
  mov    %rsi,%r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <strlen@plt>
  mov    %r14,%rdi
  mov    %eax,%ebp
  call   <strlen@plt>
  cmp    %eax,%ebp
  jb     L12
  mov    %eax,%r15d
  sub    %eax,%ebp
  xor    %ebx,%ebx
  nopw   0x0(%rax,%rax,1)
L23:
  mov    %ebx,%r12d
  mov    %r15d,%edx
  mov    %r14,%rsi
  add    %r13,%r12
  mov    %r12,%rdi
  call   <strncasecmp@plt>
  test   %eax,%eax
  je     L2
  add    $0x1,%ebx
  cmp    %ebx,%ebp
  jae    L23
L12:
  xor    %r12d,%r12d
L2:
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
char *M_StrCaseStr(char *haystack, char *needle) {
  unsigned int haystack_len;
  unsigned int needle_len;
  unsigned int len;
  unsigned int i;
  haystack_len = strlen(haystack);
  needle_len = strlen(needle);
  if (haystack_len < needle_len) {
    return NULL;
  }
  len = haystack_len - needle_len;
  for (i = 0; i <= len; ++i) {
    if (!strncasecmp(haystack + i, needle, needle_len)) {
      return haystack + i;
    }
  }
  return NULL;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<M_StrCaseStr>:
  endbr64
  push   %r15
  push   %r14
  mov    %rsi,%r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <strlen@plt>
  mov    %r14,%rdi
  mov    %eax,%ebp
  call   <strlen@plt>
  cmp    %eax,%ebp
  jb     L26
  mov    %eax,%r15d
  sub    %eax,%ebp
  xor    %ebx,%ebx
  nopw   0x0(%rax,%rax,1)
L12:
  mov    %ebx,%r12d
  mov    %r15d,%edx
  mov    %r14,%rsi
  add    %r13,%r12
  mov    %r12,%rdi
  call   <strncasecmp@plt>
  test   %eax,%eax
  je     L5
  add    $0x1,%ebx
  cmp    %ebx,%ebp
  jae    L12
L26:
  xor    %r12d,%r12d
L5:
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
char *M_StrCaseStr(char *haystack, char *needle) {
  unsigned int haystack_len;
  unsigned int needle_len;
  unsigned int len;
  unsigned int i;
  haystack_len = strlen(haystack);
  needle_len = strlen(needle);
  if (haystack_len < needle_len) {
    return NULL;
  }
  len = haystack_len - needle_len;
  for (i = 0; i <= len; ++i) {
    if (!strncasecmp(haystack + i, needle, needle_len)) {
      return haystack + i;
    }
  }
  return NULL;
}
```