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

```asm
<frdet>:
  endbr64
  push   %rbp
  pxor   %xmm1,%xmm1
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  test   %esi,%esi
  je     L5
  mov    %rdi,%r14
  mov    %esi,%r13d
  cmp    $0x1,%esi
  je     L75
  cmp    $0x2,%esi
  je     L16
  lea    -0x1(%rsi),%ebx
  movss  %xmm1,-0x44(%rbp)
  xor    %r12d,%r12d
  mov    %ebx,%edi
  imul   %ebx,%edi
  shl    $0x2,%edi
  call   <alloca@plt>
  movss  -0x44(%rbp),%xmm1
  mov    %rax,%r15
  mov    %r13d,%eax
  mov    %rax,-0x50(%rbp)
L61:
  mov    %r12d,%r8d
  xor    %r10d,%r10d
  xor    %edi,%edi
  nopw   0x0(%rax,%rax,1)
L103:
  cmp    %edi,%r8d
  je     L110
  lea    0x0(%r13,%rdi,1),%ecx
  mov    %r10d,%edx
  xor    %eax,%eax
  nop
L84:
  mov    %ecx,%esi
  add    $0x1,%eax
  add    %r13d,%ecx
  movss  (%r14,%rsi,4),%xmm0
  mov    %edx,%esi
  add    %ebx,%edx
  movss  %xmm0,(%r15,%rsi,4)
  cmp    %eax,%ebx
  jne    L84
  add    $0x1,%r10d
L110:
  add    $0x1,%edi
  cmp    %edi,%r13d
  jne    L103
  mov    %ebx,%esi
  mov    %r15,%rdi
  mov    %r8d,-0x44(%rbp)
  movss  %xmm1,-0x48(%rbp)
  call   <frdet>
  mov    -0x44(%rbp),%r8d
  movss  -0x48(%rbp),%xmm1
  mulss  (%r14,%r12,4),%xmm0
  and    $0x1,%r8d
  je     L107
  subss  %xmm0,%xmm1
L47:
  add    $0x1,%r12
  cmp    %r12,-0x50(%rbp)
  jne    L61
L5:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L9
  lea    -0x28(%rbp),%rsp
  movaps %xmm1,%xmm0
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L107:
  addss  %xmm0,%xmm1
  jmp    L47
L16:
  movss  (%rdi),%xmm1
  movss  0x4(%rdi),%xmm0
  mulss  0xc(%rdi),%xmm1
  mulss  0x8(%rdi),%xmm0
  subss  %xmm0,%xmm1
  jmp    L5
L75:
  movss  (%rdi),%xmm1
  jmp    L5
L9:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
float frdet(const float *c, unsigned int d) {
  float *c2;
  unsigned int i, j, k, l;
  float det = 0, dr;
  if (!d)
    return 0;
  if (d == 1)
    return c[0];
  if (d == 2)
    return c[0] * c[3] - c[1] * c[2];
  c2 = alloca(sizeof(float) * (d - 1) * (d - 1));
  for (i = 0; i < d; i++) {
    for (j = k = 0; j < d; j++) {
      if (j == i)
        continue;
      for (l = 0; l < d - 1; l++)
        c2[l * (d - 1) + k] = c[(l + 1) * d + j];
      k++;
    }
    dr = frdet(c2, d - 1);
    if (i & 1)
      det -= dr * c[i];
    else
      det += dr * c[i];
  }
  return det;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<frdet>:
  endbr64
  push   %rbp
  pxor   %xmm1,%xmm1
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  test   %esi,%esi
  je     L24
  mov    %rdi,%r14
  mov    %esi,%r13d
  cmp    $0x1,%esi
  je     L74
  cmp    $0x2,%esi
  je     L105
  lea    -0x1(%rsi),%ebx
  movss  %xmm1,-0x44(%rbp)
  xor    %r12d,%r12d
  mov    %ebx,%edi
  imul   %ebx,%edi
  shl    $0x2,%edi
  call   <alloca@plt>
  movss  -0x44(%rbp),%xmm1
  mov    %rax,%r15
  mov    %r13d,%eax
  mov    %rax,-0x50(%rbp)
L2:
  mov    %r12d,%r8d
  xor    %r10d,%r10d
  xor    %edi,%edi
  nopw   0x0(%rax,%rax,1)
L102:
  cmp    %edi,%r8d
  je     L46
  lea    0x0(%r13,%rdi,1),%ecx
  mov    %r10d,%edx
  xor    %eax,%eax
  nop
L66:
  mov    %ecx,%esi
  add    $0x1,%eax
  add    %r13d,%ecx
  movss  (%r14,%rsi,4),%xmm0
  mov    %edx,%esi
  add    %ebx,%edx
  movss  %xmm0,(%r15,%rsi,4)
  cmp    %eax,%ebx
  jne    L66
  add    $0x1,%r10d
L46:
  add    $0x1,%edi
  cmp    %edi,%r13d
  jne    L102
  mov    %ebx,%esi
  mov    %r15,%rdi
  mov    %r8d,-0x44(%rbp)
  movss  %xmm1,-0x48(%rbp)
  call   <frdet>
  mov    -0x44(%rbp),%r8d
  movss  -0x48(%rbp),%xmm1
  mulss  (%r14,%r12,4),%xmm0
  and    $0x1,%r8d
  je     L103
  subss  %xmm0,%xmm1
L27:
  add    $0x1,%r12
  cmp    %r12,-0x50(%rbp)
  jne    L2
L24:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L31
  lea    -0x28(%rbp),%rsp
  movaps %xmm1,%xmm0
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L103:
  addss  %xmm0,%xmm1
  jmp    L27
L105:
  movss  (%rdi),%xmm1
  movss  0x4(%rdi),%xmm0
  mulss  0xc(%rdi),%xmm1
  mulss  0x8(%rdi),%xmm0
  subss  %xmm0,%xmm1
  jmp    L24
L74:
  movss  (%rdi),%xmm1
  jmp    L24
L31:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
float frdet(const float *c, unsigned int d) {
  float *c2;
  unsigned int i, j, k, l;
  float det = 0, dr;
  if (!d)
    return 0;
  if (d == 1)
    return c[0];
  if (d == 2)
    return c[0] * c[3] - c[1] * c[2];
  c2 = alloca(sizeof(float) * (d - 1) * (d - 1));
  for (i = 0; i < d; i++) {
    for (j = k = 0; j < d; j++) {
      if (j == i)
        continue;
      for (l = 0; l < d - 1; l++)
        c2[l * (d - 1) + k] = c[(l + 1) * d + j];
      k++;
    }
    dr = frdet(c2, d - 1);
    if (i & 1)
      det -= dr * c[i];
    else
      det += dr * c[i];
  }
  return det;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<tlbExcept>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  lea    D0(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  call   <ledloop@plt>
  nop
  pop    %rbp
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D0
data_type: string

tool: D0: TLB exception


assistant: ```c
void tlbExcept(void) {
  printf("TLB exception\n");
  ledloop();
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<tlbExcept>:
  endbr64
  sub    $0x8,%rsp
  lea    D4(%rip),%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  call   <ledloop@plt>
  add    $0x8,%rsp
  ret
```

tool_calls: name: extract_symbolic_data
arguments: tag: D4
data_type: string

tool: D4: TLB exception


assistant: ```c
void tlbExcept(void) {
  printf("TLB exception\n");
  ledloop();
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<tlbExcept>:
  endbr64
  sub    $0x8,%rsp
  lea    D4(%rip),%rdi
  call   <printf@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  jmp    1070 <ledloop@plt>
```

tool_calls: name: disassemble_data
arguments: label: D4
type_guessed: string

tool: D4: TLB exception


assistant: ```c
void tlbExcept(void) {
  printf("TLB exception\n");
  ledloop();
}
```
user: What is the c source code of the assembly code below?

```asm
<tlbExcept>:
  endbr64
  sub    $0x8,%rsp
  lea    D0(%rip),%rdi
  call   <printf@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  jmp    1070 <ledloop@plt>
```

tool_calls: name: read_data
arguments: label: D0
datatype: string

tool: D0: TLB exception


assistant: ```c
void tlbExcept(void) {
  printf("TLB exception\n");
  ledloop();
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<absdirectionname>:
  endbr64
  cmp    $0x8,%edi
  ja     L8
  mov    %edi,%edi
  lea    D90(%rip),%rdx
  movslq (%rdx,%rdi,4),%rax
  add    %rdx,%rax
  notrack jmp *%rax
  lea    D93(%rip),%rax
  ret
  lea    D81(%rip),%rax
  ret
  lea    D83(%rip),%rax
  ret
  lea    D84(%rip),%rax
  ret
  lea    D78(%rip),%rax
  ret
  lea    D91(%rip),%rax
  ret
  lea    D30(%rip),%rax
  ret
L8:
  lea    D94(%rip),%rax
  ret
  lea    D77(%rip),%rax
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D93
type_guessed: string
name: disassemble_data
arguments: data_tag: D81
type_guessed: string
name: disassemble_data
arguments: data_tag: D83
type_guessed: string
name: disassemble_data
arguments: data_tag: D84
type_guessed: string
name: disassemble_data
arguments: data_tag: D78
type_guessed: string
name: disassemble_data
arguments: data_tag: D91
type_guessed: string
name: disassemble_data
arguments: data_tag: D30
type_guessed: string
name: disassemble_data
arguments: data_tag: D94
type_guessed: string
name: disassemble_data
arguments: data_tag: D77
type_guessed: string

tool: D93: Southwest

tool: D81: West

tool: D83: Northwest

tool: D84: North

tool: D78: Northeast

tool: D91: East

tool: D30: Southeast

tool: D94: ?

tool: D77: South

assistant: ```c
const char *absdirectionname(int dir) {
  switch (dir) {
  case 1:
    return "South";
  case 2:
    return "Southwest";
  case 3:
    return "West";
  case 4:
    return "Northwest";
  case 5:
    return "North";
  case 6:
    return "Northeast";
  case 7:
    return "East";
  case 8:
    return "Southeast";
  }
  return "?";
}
```
user: 下面的汇编指令对应的C源代码是什么:

```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    -0xb8(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <va_start@plt>
  mov    D1(%rip),%rax
  mov    (%rax),%eax
  mov    -0xb8(%rbp),%edx
  mov    -0xc8(%rbp),%rcx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <vfprintf@plt>
  mov    %eax,-0xb4(%rbp)
  mov    -0xb8(%rbp),%eax
  mov    %eax,%edi
  call   <va_end@plt>
  mov    -0xb4(%rbp),%eax
  leave
  ret
```

assistant: ```c
int printf(const char *format, ...) {
  int i;
  va_list ap;
  va_start(ap, format);
  i = vfprintf(stdout, format, ap);
  va_end(ap);
  return i;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```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    D8(%rip),%rax
  mov    (%rax),%edi
  call   <vfprintf@plt>
  mov    %eax,%ebx
  mov    %ebp,%edi
  call   <va_end@plt>
  mov    %ebx,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
int printf(const char *format, ...) {
  int i;
  va_list ap;
  va_start(ap, format);
  i = vfprintf(stdout, format, ap);
  va_end(ap);
  return i;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<printf>:
  endbr64
  push   %r13
  xor    %r13d,%r13d
  mov    %rdi,%rsi
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  mov    %r13d,%edi
  call   <va_start@plt>
  mov    D7(%rip),%rax
  mov    %r13d,%edx
  mov    %rbp,%rsi
  mov    (%rax),%edi
  call   <vfprintf@plt>
  mov    %r13d,%edi
  mov    %eax,%r12d
  call   <va_end@plt>
  mov    %r12d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
int printf(const char *format, ...) {
  int i;
  va_list ap;
  va_start(ap, format);
  i = vfprintf(stdout, format, ap);
  va_end(ap);
  return i;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<printf>:
  endbr64
  push   %r13
  xor    %r13d,%r13d
  mov    %rdi,%rsi
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  mov    %r13d,%edi
  call   <va_start@plt>
  mov    D8(%rip),%rax
  mov    %r13d,%edx
  mov    %rbp,%rsi
  mov    (%rax),%edi
  call   <vfprintf@plt>
  mov    %r13d,%edi
  mov    %eax,%r12d
  call   <va_end@plt>
  mov    %r12d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
int printf(const char *format, ...) {
  int i;
  va_list ap;
  va_start(ap, format);
  i = vfprintf(stdout, format, ap);
  va_end(ap);
  return i;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<sys_chdir>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <chdir@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  leave
  ret
```

assistant: ```c
int sys_chdir(const char *path) {
  int rc = chdir(path);
  return rc;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<sys_chdir>:
  endbr64
  sub    $0x8,%rsp
  call   <chdir@plt>
  add    $0x8,%rsp
  ret
```

assistant: ```c
int sys_chdir(const char *path) {
  int rc = chdir(path);
  return rc;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<sys_chdir>:
  endbr64
  jmp    1050 <chdir@plt>
```

assistant: ```c
int sys_chdir(const char *path) {
  int rc = chdir(path);
  return rc;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<sys_chdir>:
  endbr64
  jmp    1050 <chdir@plt>
```

assistant: ```c
int sys_chdir(const char *path) {
  int rc = chdir(path);
  return rc;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<McbCreateKeyPlus>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  mov    $0x7,%edx
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <memset@plt>
  mov    -0x10(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,%rcx
  mov    %rax,%rdx
  mov    $0x38,%esi
  lea    D4(%rip),%rax
  mov    %rax,%rdi
  call   <McbMapTrueBits@plt>
  nop
  leave
  ret
```

assistant: ```c
void McbCreateKeyPlus(const unsigned char Key[8], unsigned char KeyPlus[7]) {
  static unsigned char tblPC1[] = {56, 48, 40, 32, 24, 16, 8, 0, 57, 49, 41, 33, 25, 17, 9, 1, 58, 50, 42, 34, 26, 18, 10, 2, 59, 51, 43, 35, 62, 54, 46, 38, 30, 22, 14, 6, 61, 53, 45, 37, 29, 21, 13, 5, 60, 52, 44, 36, 28, 20, 12, 4, 27, 19, 11, 3};
  memset(KeyPlus, 0, 7);
  McbMapTrueBits(tblPC1, sizeof(tblPC1), Key, KeyPlus);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<McbCreateKeyPlus>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  mov    %rsi,%rbx
  mov    $0x7,%edx
  mov    $0x0,%esi
  mov    %rbx,%rdi
  call   <memset@plt>
  mov    %rbx,%rcx
  mov    %rbp,%rdx
  mov    $0x38,%esi
  lea    D3(%rip),%rdi
  call   <McbMapTrueBits@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void McbCreateKeyPlus(const unsigned char Key[8], unsigned char KeyPlus[7]) {
  static unsigned char tblPC1[] = {56, 48, 40, 32, 24, 16, 8, 0, 57, 49, 41, 33, 25, 17, 9, 1, 58, 50, 42, 34, 26, 18, 10, 2, 59, 51, 43, 35, 62, 54, 46, 38, 30, 22, 14, 6, 61, 53, 45, 37, 29, 21, 13, 5, 60, 52, 44, 36, 28, 20, 12, 4, 27, 19, 11, 3};
  memset(KeyPlus, 0, 7);
  McbMapTrueBits(tblPC1, sizeof(tblPC1), Key, KeyPlus);
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<McbCreateKeyPlus>:
  endbr64
  push   %r13
  mov    $0x7,%edx
  mov    %rdi,%r13
  push   %r12
  mov    %rsi,%r12
  xor    %esi,%esi
  mov    %r12,%rdi
  sub    $0x8,%rsp
  call   <memset@plt>
  add    $0x8,%rsp
  mov    %r12,%rcx
  mov    %r13,%rdx
  pop    %r12
  mov    $0x38,%esi
  lea    D4(%rip),%rdi
  pop    %r13
  jmp    1070 <McbMapTrueBits@plt>
```

assistant: ```c
void McbCreateKeyPlus(const unsigned char Key[8], unsigned char KeyPlus[7]) {
  static unsigned char tblPC1[] = {56, 48, 40, 32, 24, 16, 8, 0, 57, 49, 41, 33, 25, 17, 9, 1, 58, 50, 42, 34, 26, 18, 10, 2, 59, 51, 43, 35, 62, 54, 46, 38, 30, 22, 14, 6, 61, 53, 45, 37, 29, 21, 13, 5, 60, 52, 44, 36, 28, 20, 12, 4, 27, 19, 11, 3};
  memset(KeyPlus, 0, 7);
  McbMapTrueBits(tblPC1, sizeof(tblPC1), Key, KeyPlus);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<McbCreateKeyPlus>:
  endbr64
  push   %r13
  mov    $0x7,%edx
  mov    %rdi,%r13
  push   %r12
  mov    %rsi,%r12
  xor    %esi,%esi
  mov    %r12,%rdi
  sub    $0x8,%rsp
  call   <memset@plt>
  add    $0x8,%rsp
  mov    %r12,%rcx
  mov    %r13,%rdx
  pop    %r12
  mov    $0x38,%esi
  lea    D4(%rip),%rdi
  pop    %r13
  jmp    1070 <McbMapTrueBits@plt>
```

assistant: ```c
void McbCreateKeyPlus(const unsigned char Key[8], unsigned char KeyPlus[7]) {
  static unsigned char tblPC1[] = {56, 48, 40, 32, 24, 16, 8, 0, 57, 49, 41, 33, 25, 17, 9, 1, 58, 50, 42, 34, 26, 18, 10, 2, 59, 51, 43, 35, 62, 54, 46, 38, 30, 22, 14, 6, 61, 53, 45, 37, 29, 21, 13, 5, 60, 52, 44, 36, 28, 20, 12, 4, 27, 19, 11, 3};
  memset(KeyPlus, 0, 7);
  McbMapTrueBits(tblPC1, sizeof(tblPC1), Key, KeyPlus);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<mspack_memcmp>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x28(%rbp)
  jne    L20
  mov    $0x0,%eax
  jmp    L6
L2:
  addq   $0x1,-0x10(%rbp)
  addq   $0x1,-0x8(%rbp)
L20:
  subq   $0x1,-0x28(%rbp)
  cmpq   $0x0,-0x28(%rbp)
  je     L24
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  je     L2
L24:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%edx
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
L6:
  pop    %rbp
  ret
```

assistant: ```c
int mspack_memcmp(const void *s1, const void *s2, size_t n) {
  unsigned char *c1 = (unsigned char *)s1;
  unsigned char *c2 = (unsigned char *)s2;
  if (n == 0)
    return 0;
  while (--n && (*c1 == *c2))
    c1++, c2++;
  return *c1 - *c2;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<mspack_memcmp>:
  endbr64
  mov    $0x0,%eax
  test   %rdx,%rdx
  je     L3
  mov    %rdi,%rax
  sub    $0x1,%rdx
  je     L39
  add    %rdx,%rdi
L31:
  movzbl (%rsi),%ecx
  cmp    %cl,(%rax)
  jne    L39
  add    $0x1,%rax
  add    $0x1,%rsi
  cmp    %rdi,%rax
  jne    L31
L39:
  movzbl (%rax),%eax
  movzbl (%rsi),%edx
  sub    %edx,%eax
L3:
  ret
```

assistant: ```c
int mspack_memcmp(const void *s1, const void *s2, size_t n) {
  unsigned char *c1 = (unsigned char *)s1;
  unsigned char *c2 = (unsigned char *)s2;
  if (n == 0)
    return 0;
  while (--n && (*c1 == *c2))
    c1++, c2++;
  return *c1 - *c2;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<mspack_memcmp>:
  endbr64
  xor    %eax,%eax
  test   %rdx,%rdx
  je     L1
  mov    %rdi,%rcx
  sub    $0x1,%rdx
  je     L65
  lea    (%rdi,%rdx,1),%rdi
  jmp    L0
  nopw   0x0(%rax,%rax,1)
L8:
  lea    0x1(%rcx),%rax
  lea    0x1(%rsi),%rdx
  cmp    %rdi,%rax
  je     L25
  mov    %rdx,%rsi
  mov    %rax,%rcx
L0:
  movzbl (%rcx),%eax
  movzbl (%rsi),%edx
  cmp    %dl,%al
  je     L8
  sub    %edx,%eax
L1:
  ret
L25:
  movzbl 0x1(%rcx),%eax
  movzbl 0x1(%rsi),%edx
  sub    %edx,%eax
  jmp    L1
L65:
  movzbl (%rdi),%eax
  movzbl (%rsi),%edx
  sub    %edx,%eax
  jmp    L1
```

assistant: ```c
int mspack_memcmp(const void *s1, const void *s2, size_t n) {
  unsigned char *c1 = (unsigned char *)s1;
  unsigned char *c2 = (unsigned char *)s2;
  if (n == 0)
    return 0;
  while (--n && (*c1 == *c2))
    c1++, c2++;
  return *c1 - *c2;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<mspack_memcmp>:
  endbr64
  xor    %eax,%eax
  test   %rdx,%rdx
  je     L21
  mov    %rdi,%rcx
  sub    $0x1,%rdx
  je     L31
  lea    (%rdi,%rdx,1),%rdi
  jmp    L60
  nopw   0x0(%rax,%rax,1)
L38:
  lea    0x1(%rcx),%rax
  lea    0x1(%rsi),%rdx
  cmp    %rdi,%rax
  je     L14
  mov    %rdx,%rsi
  mov    %rax,%rcx
L60:
  movzbl (%rcx),%eax
  movzbl (%rsi),%edx
  cmp    %dl,%al
  je     L38
  sub    %edx,%eax
L21:
  ret
L14:
  movzbl 0x1(%rcx),%eax
  movzbl 0x1(%rsi),%edx
  sub    %edx,%eax
  jmp    L21
L31:
  movzbl (%rdi),%eax
  movzbl (%rsi),%edx
  sub    %edx,%eax
  jmp    L21
```

assistant: ```c
int mspack_memcmp(const void *s1, const void *s2, size_t n) {
  unsigned char *c1 = (unsigned char *)s1;
  unsigned char *c2 = (unsigned char *)s2;
  if (n == 0)
    return 0;
  while (--n && (*c1 == *c2))
    c1++, c2++;
  return *c1 - *c2;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<bzero>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  jmp    L3
L12:
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  movb   $0x0,(%rax)
L3:
  mov    -0x20(%rbp),%rax
  lea    -0x1(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  test   %rax,%rax
  jne    L12
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void bzero(void *b, size_t length) {
  char *p;
  for (p = (char *)b; length--;)
    *p++ = '\0';
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<bzero>:
  endbr64
  test   %rsi,%rsi
  je     L0
  add    %rdi,%rsi
L19:
  add    $0x1,%rdi
  movb   $0x0,-0x1(%rdi)
  cmp    %rdi,%rsi
  jne    L19
L0:
  ret
```

assistant: ```c
void bzero(void *b, size_t length) {
  char *p;
  for (p = (char *)b; length--;)
    *p++ = '\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
<bzero>:
  endbr64
  mov    %rsi,%rdx
  test   %rsi,%rsi
  je     L2
  xor    %esi,%esi
  jmp    1050 <memset@plt>
  nopl   0x0(%rax,%rax,1)
L2:
  ret
```

assistant: ```c
void bzero(void *b, size_t length) {
  char *p;
  for (p = (char *)b; length--;)
    *p++ = '\0';
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<bzero>:
  endbr64
  mov    %rsi,%rdx
  test   %rsi,%rsi
  je     L0
  xor    %esi,%esi
  jmp    1050 <memset@plt>
  nopl   0x0(%rax,%rax,1)
L0:
  ret
```

assistant: ```c
void bzero(void *b, size_t length) {
  char *p;
  for (p = (char *)b; length--;)
    *p++ = '\0';
}
```
user: What is the c source code of the assembly code below:

```asm
<my_printnbr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %edx,-0x14(%rbp)
  mov    -0x14(%rbp),%eax
  neg    %eax
  cltq
  cmp    %rax,-0x8(%rbp)
  jle    L32
  mov    -0x14(%rbp),%eax
  cltq
  cmp    %rax,-0x8(%rbp)
  jge    L32
  cmpq   $0x0,-0x8(%rbp)
  jns    L22
  mov    -0x8(%rbp),%rax
  neg    %rax
  mov    %rax,%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <my_putchar@plt>
  jmp    L14
L22:
  mov    -0x8(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <my_putchar@plt>
L14:
  mov    $0x0,%eax
  jmp    L18
L32:
  mov    -0x14(%rbp),%eax
  movslq %eax,%rsi
  mov    -0x8(%rbp),%rax
  cqto
  idiv   %rsi
  mov    %rax,%rcx
  mov    -0x14(%rbp),%edx
  mov    -0x10(%rbp),%rax
  mov    %rax,%rsi
  mov    %rcx,%rdi
  call   <my_printnbr>
  cmpq   $0x0,-0x8(%rbp)
  jns    L42
  mov    -0x14(%rbp),%eax
  movslq %eax,%rcx
  mov    -0x8(%rbp),%rax
  cqto
  idiv   %rcx
  mov    %rdx,%rax
  neg    %rax
  mov    %rax,%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <my_putchar@plt>
  jmp    L29
L42:
  mov    -0x14(%rbp),%eax
  movslq %eax,%rcx
  mov    -0x8(%rbp),%rax
  cqto
  idiv   %rcx
  mov    %rdx,%rax
  mov    %rax,%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <my_putchar@plt>
L29:
  mov    $0x0,%eax
L18:
  leave
  ret
```

assistant: ```c
int my_printnbr(long nb, char *base, int bs) {
  if (nb > -bs && nb < bs) {
    (nb < 0) ? my_putchar(base[-1 * nb]) : my_putchar(base[nb]);
    return (0);
  }
  my_printnbr(nb / bs, base, bs);
  (nb < 0) ? my_putchar(base[-(nb % bs)]) : my_putchar(base[nb % bs]);
  return (0);
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<my_printnbr>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  mov    %edx,%ecx
  mov    %edx,%eax
  neg    %eax
  cltq
  cmp    %rdi,%rax
  jge    L8
  movslq %edx,%rax
  cmp    %rdi,%rax
  jg     L42
L8:
  movslq %ecx,%r12
  mov    %rbx,%rax
  cqto
  idiv   %r12
  mov    %rax,%rdi
  mov    %ecx,%edx
  mov    %rbp,%rsi
  call   <my_printnbr>
  test   %rbx,%rbx
  js     L60
  mov    %rbx,%rax
  cqto
  idiv   %r12
  movsbl 0x0(%rbp,%rdx,1),%edi
  call   <my_putchar@plt>
L67:
  mov    $0x0,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L42:
  test   %rdi,%rdi
  js     L65
  movsbl (%rsi,%rdi,1),%edi
  call   <my_putchar@plt>
  jmp    L67
L65:
  neg    %rbx
  movsbl (%rsi,%rbx,1),%edi
  call   <my_putchar@plt>
  jmp    L67
L60:
  mov    %rbx,%rax
  cqto
  idiv   %r12
  neg    %rdx
  movsbl 0x0(%rbp,%rdx,1),%edi
  call   <my_putchar@plt>
  jmp    L67
```

assistant: ```c
int my_printnbr(long nb, char *base, int bs) {
  if (nb > -bs && nb < bs) {
    (nb < 0) ? my_putchar(base[-1 * nb]) : my_putchar(base[nb]);
    return (0);
  }
  my_printnbr(nb / bs, base, bs);
  (nb < 0) ? my_putchar(base[-(nb % bs)]) : my_putchar(base[nb % bs]);
  return (0);
}
```