ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Demonstrate the C code that generates the assembly output below:

```asm
<writedate>:
  endbr64
  push   %rbp
  mov    %edx,%r9d
  mov    %esi,%r8d
  mov    %ecx,%edx
  push   %rbx
  mov    %r9d,%ecx
  lea    D4(%rip),%rsi
  mov    %rdi,%rbx
  sub    $0x58,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbp
  mov    %rbp,%rdi
  call   <sprintf@plt>
  xor    %edi,%edi
  call   <html_tableopenrow@plt>
  xor    %ecx,%ecx
  mov    %rbx,%r8
  mov    $0x1,%edx
  mov    $0x1,%esi
  mov    $0x2,%edi
  call   <html_tabledata@plt>
  xor    %ecx,%ecx
  mov    %rbp,%r8
  mov    $0x1,%edx
  mov    $0x1,%esi
  mov    $0x3,%edi
  call   <html_tabledata@plt>
  xor    %ecx,%ecx
  mov    $0x1,%edx
  lea    D14(%rip),%r8
  mov    $0x1,%esi
  mov    $0x2,%edi
  call   <html_tabledata@plt>
  mov    0x48(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L7
  add    $0x58,%rsp
  pop    %rbx
  pop    %rbp
  ret
L7:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_tag: D4
type_guessed: string
name: parse_data
arguments: data_tag: D14
type_guessed: string

tool: D4: %02d/%02d/%02d

tool: D14: dd/mm/yyyy

assistant: ```c
void writedate(char *descrip, int y, int m, int d) {
  char buf[64];
  sprintf(buf, "%02d/%02d/%02d", d, m, y);
  html_tableopenrow((0));
  html_tabledata((2), 1, 1, 0, descrip);
  html_tabledata((3), 1, 1, 0, buf);
  html_tabledata((2), 1, 1, 0, "dd/mm/yyyy");
}
```
user: What is the c source code of the assembly code below:

```asm
<writedate>:
  endbr64
  push   %rbp
  mov    %edx,%r9d
  mov    %esi,%r8d
  mov    %ecx,%edx
  push   %rbx
  mov    %r9d,%ecx
  lea    D9(%rip),%rsi
  mov    %rdi,%rbx
  sub    $0x58,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x48(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbp
  mov    %rbp,%rdi
  call   <sprintf@plt>
  xor    %edi,%edi
  call   <html_tableopenrow@plt>
  xor    %ecx,%ecx
  mov    %rbx,%r8
  mov    $0x1,%edx
  mov    $0x1,%esi
  mov    $0x2,%edi
  call   <html_tabledata@plt>
  xor    %ecx,%ecx
  mov    %rbp,%r8
  mov    $0x1,%edx
  mov    $0x1,%esi
  mov    $0x3,%edi
  call   <html_tabledata@plt>
  xor    %ecx,%ecx
  mov    $0x1,%edx
  lea    D16(%rip),%r8
  mov    $0x1,%esi
  mov    $0x2,%edi
  call   <html_tabledata@plt>
  mov    0x48(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L3
  add    $0x58,%rsp
  pop    %rbx
  pop    %rbp
  ret
L3:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: label: D9
type: string
name: parse_data
arguments: label: D16
type: string

tool: D9: %02d/%02d/%02d

tool: D16: dd/mm/yyyy

assistant: ```c
void writedate(char *descrip, int y, int m, int d) {
  char buf[64];
  sprintf(buf, "%02d/%02d/%02d", d, m, y);
  html_tableopenrow((0));
  html_tabledata((2), 1, 1, 0, descrip);
  html_tabledata((3), 1, 1, 0, buf);
  html_tabledata((2), 1, 1, 0, "dd/mm/yyyy");
}
```
user: Translate the below assembly code into C programming language:

```asm
<expand_string>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    %rcx,-0x40(%rbp)
  mov    -0x30(%rbp),%rax
  mov    %rax,%rsi
  mov    $0x1,%edi
  call   <calloc@plt>
  mov    %rax,-0x10(%rbp)
  cmpq   $0x0,-0x10(%rbp)
  jne    L10
  lea    D12(%rip),%rax
  mov    %rax,%rdi
  call   <log_error@plt>
  mov    $0xffffffff,%eax
  jmp    L12
L10:
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  jmp    L62
L43:
  mov    -0x8(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x30(%rbp),%rdx
  mov    -0x18(%rbp),%rcx
  mov    -0x10(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strlcat@plt>
  cmp    %rax,-0x30(%rbp)
  jbe    L51
  mov    -0x30(%rbp),%rdx
  mov    -0x40(%rbp),%rcx
  mov    -0x10(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strlcat@plt>
  cmp    %rax,-0x30(%rbp)
  ja     L7
L51:
  lea    D17(%rip),%rax
  mov    %rax,%rdi
  call   <log_print@plt>
  mov    $0xffffffff,%eax
  jmp    L12
L7:
  mov    -0x38(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  cltq
  add    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x18(%rbp)
L62:
  mov    -0x38(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strstr@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L43
  mov    -0x30(%rbp),%rdx
  mov    -0x18(%rbp),%rcx
  mov    -0x10(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strlcat@plt>
  cmp    %rax,-0x30(%rbp)
  ja     L81
  lea    D17(%rip),%rax
  mov    %rax,%rdi
  call   <log_print@plt>
  mov    $0xffffffff,%eax
  jmp    L12
L81:
  mov    -0x30(%rbp),%rdx
  mov    -0x10(%rbp),%rcx
  mov    -0x28(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strlcpy@plt>
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    $0x0,%eax
L12:
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D12
type_guessed: string
name: retrieve_data
arguments: tag: D17
type_guessed: string

tool: D12: expand_string: calloc

tool: D17: expand_string: string too long

assistant: ```c
int expand_string(char *label, size_t len, const char *srch, const char *repl) {
  char *tmp;
  char *p, *q;
  if ((tmp = calloc(1, len)) == NULL) {
    log_error("expand_string: calloc");
    return (-1);
  }
  p = q = label;
  while ((q = strstr(p, srch)) != NULL) {
    *q = '\0';
    if ((strlcat(tmp, p, len) >= len) || (strlcat(tmp, repl, len) >= len)) {
      log_print("expand_string: string too long");
      return (-1);
    }
    q += strlen(srch);
    p = q;
  }
  if (strlcat(tmp, p, len) >= len) {
    log_print("expand_string: string too long");
    return (-1);
  }
  strlcpy(label, tmp, len);
  free(tmp);
  return (0);
}
```
user: Translate the below assembly code into C programming language:

```asm
<expand_string>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,0x8(%rsp)
  mov    %rsi,%r12
  mov    %rdx,%r14
  mov    %rcx,%r15
  mov    $0x1,%edi
  call   <calloc@plt>
  test   %rax,%rax
  je     L38
  mov    %rax,%r13
  mov    0x8(%rsp),%rbx
  jmp    L9
L38:
  lea    D3(%rip),%rdi
  call   <log_error@plt>
  mov    $0xffffffff,%eax
  jmp    L45
L47:
  mov    %r14,%rdi
  call   <strlen@plt>
  movslq %eax,%rbx
  add    %rbp,%rbx
L9:
  mov    %r14,%rsi
  mov    %rbx,%rdi
  call   <strstr@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L56
  movb   $0x0,0x0(%rbp)
  mov    %r12,%rdx
  mov    %rbx,%rsi
  mov    %r13,%rdi
  call   <strlcat@plt>
  cmp    %r12,%rax
  jae    L26
  mov    %r12,%rdx
  mov    %r15,%rsi
  mov    %r13,%rdi
  call   <strlcat@plt>
  cmp    %r12,%rax
  jb     L47
L26:
  lea    D21(%rip),%rdi
  call   <log_print@plt>
  mov    $0xffffffff,%eax
L45:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L56:
  mov    %r12,%rdx
  mov    %rbx,%rsi
  mov    %r13,%rdi
  call   <strlcat@plt>
  cmp    %r12,%rax
  jae    L11
  mov    %r12,%rdx
  mov    %r13,%rsi
  mov    0x8(%rsp),%rdi
  call   <strlcpy@plt>
  mov    %r13,%rdi
  call   <free@plt>
  mov    $0x0,%eax
  jmp    L45
L11:
  lea    D21(%rip),%rdi
  call   <log_print@plt>
  mov    $0xffffffff,%eax
  jmp    L45
```

tool_calls: name: extract_symbolic_data
arguments: label: D3
type_guessed: string
name: extract_symbolic_data
arguments: label: D21
type_guessed: string

tool: D3: expand_string: calloc

tool: D21: expand_string: string too long

assistant: ```c
int expand_string(char *label, size_t len, const char *srch, const char *repl) {
  char *tmp;
  char *p, *q;
  if ((tmp = calloc(1, len)) == NULL) {
    log_error("expand_string: calloc");
    return (-1);
  }
  p = q = label;
  while ((q = strstr(p, srch)) != NULL) {
    *q = '\0';
    if ((strlcat(tmp, p, len) >= len) || (strlcat(tmp, repl, len) >= len)) {
      log_print("expand_string: string too long");
      return (-1);
    }
    q += strlen(srch);
    p = q;
  }
  if (strlcat(tmp, p, len) >= len) {
    log_print("expand_string: string too long");
    return (-1);
  }
  strlcpy(label, tmp, len);
  free(tmp);
  return (0);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<expand_string>:
  endbr64
  push   %r15
  push   %r14
  mov    %rcx,%r14
  push   %r13
  mov    %rdx,%r13
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,0x8(%rsp)
  mov    $0x1,%edi
  call   <calloc@plt>
  test   %rax,%rax
  je     L35
  mov    0x8(%rsp),%r15
  mov    %rax,%rbp
  jmp    L63
  nopl   (%rax)
L52:
  movb   $0x0,(%rbx)
  mov    %r12,%rdx
  mov    %r15,%rsi
  mov    %rbp,%rdi
  call   <strlcat@plt>
  cmp    %r12,%rax
  jae    L64
  mov    %r12,%rdx
  mov    %r14,%rsi
  mov    %rbp,%rdi
  call   <strlcat@plt>
  cmp    %r12,%rax
  jae    L64
  mov    %r13,%rdi
  call   <strlen@plt>
  movslq %eax,%r8
  lea    (%rbx,%r8,1),%r15
L63:
  mov    %r13,%rsi
  mov    %r15,%rdi
  call   <strstr@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  jne    L52
  mov    %r12,%rdx
  mov    %r15,%rsi
  mov    %rbp,%rdi
  call   <strlcat@plt>
  cmp    %r12,%rax
  jae    L64
  mov    0x8(%rsp),%rdi
  mov    %r12,%rdx
  mov    %rbp,%rsi
  call   <strlcpy@plt>
  mov    %rbp,%rdi
  call   <free@plt>
  add    $0x18,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L64:
  lea    D15(%rip),%rdi
  call   <log_print@plt>
  mov    $0xffffffff,%eax
L47:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L35:
  lea    D17(%rip),%rdi
  call   <log_error@plt>
  mov    $0xffffffff,%eax
  jmp    L47
```

tool_calls: name: unpack_data
arguments: data_tag: D15
type_infered: string
name: unpack_data
arguments: data_tag: D17
type_infered: string

tool: D15: expand_string: string too long

tool: D17: expand_string: calloc

assistant: ```c
int expand_string(char *label, size_t len, const char *srch, const char *repl) {
  char *tmp;
  char *p, *q;
  if ((tmp = calloc(1, len)) == NULL) {
    log_error("expand_string: calloc");
    return (-1);
  }
  p = q = label;
  while ((q = strstr(p, srch)) != NULL) {
    *q = '\0';
    if ((strlcat(tmp, p, len) >= len) || (strlcat(tmp, repl, len) >= len)) {
      log_print("expand_string: string too long");
      return (-1);
    }
    q += strlen(srch);
    p = q;
  }
  if (strlcat(tmp, p, len) >= len) {
    log_print("expand_string: string too long");
    return (-1);
  }
  strlcpy(label, tmp, len);
  free(tmp);
  return (0);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<expand_string>:
  endbr64
  push   %r15
  push   %r14
  mov    %rcx,%r14
  push   %r13
  mov    %rdx,%r13
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,0x8(%rsp)
  mov    $0x1,%edi
  call   <calloc@plt>
  test   %rax,%rax
  je     L56
  mov    0x8(%rsp),%r15
  mov    %rax,%rbp
  jmp    L26
  nopl   (%rax)
L36:
  movb   $0x0,(%rbx)
  mov    %r12,%rdx
  mov    %r15,%rsi
  mov    %rbp,%rdi
  call   <strlcat@plt>
  cmp    %r12,%rax
  jae    L40
  mov    %r12,%rdx
  mov    %r14,%rsi
  mov    %rbp,%rdi
  call   <strlcat@plt>
  cmp    %r12,%rax
  jae    L40
  mov    %r13,%rdi
  call   <strlen@plt>
  movslq %eax,%r8
  lea    (%rbx,%r8,1),%r15
L26:
  mov    %r13,%rsi
  mov    %r15,%rdi
  call   <strstr@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  jne    L36
  mov    %r12,%rdx
  mov    %r15,%rsi
  mov    %rbp,%rdi
  call   <strlcat@plt>
  cmp    %r12,%rax
  jae    L40
  mov    0x8(%rsp),%rdi
  mov    %r12,%rdx
  mov    %rbp,%rsi
  call   <strlcpy@plt>
  mov    %rbp,%rdi
  call   <free@plt>
  add    $0x18,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L40:
  lea    D12(%rip),%rdi
  call   <log_print@plt>
  mov    $0xffffffff,%eax
L27:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L56:
  lea    D11(%rip),%rdi
  call   <log_error@plt>
  mov    $0xffffffff,%eax
  jmp    L27
```

tool_calls: name: unpack_data
arguments: data_tag: D12
type_guessed: string
name: unpack_data
arguments: data_tag: D11
type_guessed: string

tool: D12: expand_string: string too long

tool: D11: expand_string: calloc

assistant: ```c
int expand_string(char *label, size_t len, const char *srch, const char *repl) {
  char *tmp;
  char *p, *q;
  if ((tmp = calloc(1, len)) == NULL) {
    log_error("expand_string: calloc");
    return (-1);
  }
  p = q = label;
  while ((q = strstr(p, srch)) != NULL) {
    *q = '\0';
    if ((strlcat(tmp, p, len) >= len) || (strlcat(tmp, repl, len) >= len)) {
      log_print("expand_string: string too long");
      return (-1);
    }
    q += strlen(srch);
    p = q;
  }
  if (strlcat(tmp, p, len) >= len) {
    log_print("expand_string: string too long");
    return (-1);
  }
  strlcpy(label, tmp, len);
  free(tmp);
  return (0);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<get_hand>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    $0x0,%eax
  call   <getch@plt>
  cmp    $0x32,%eax
  jg     L33
  cmp    $0x1b,%eax
  jge    L13
  jmp    L53
L58:
  sub    $0x41,%eax
  mov    $0x1,%edx
  mov    %eax,%ecx
  shl    %cl,%rdx
  mov    %rdx,%rax
  movabs $0x80200000802,%rdx
  and    %rax,%rdx
  test   %rdx,%rdx
  setne  %dl
  test   %dl,%dl
  jne    L10
  movabs $0x2000100020001,%rdx
  and    %rax,%rdx
  test   %rdx,%rdx
  setne  %dl
  test   %dl,%dl
  jne    L120
  movabs $0x1000000010000,%rdx
  and    %rdx,%rax
  test   %rax,%rax
  setne  %al
  test   %al,%al
  jne    L73
  jmp    L53
L13:
  sub    $0x1b,%eax
  cmp    $0x17,%eax
  ja     L53
  mov    %eax,%eax
  lea    0x0(,%rax,4),%rdx
  lea    D18(%rip),%rax
  mov    (%rdx,%rax,1),%eax
  cltq
  lea    D18(%rip),%rdx
  add    %rdx,%rax
  notrack jmp *%rax
L33:
  cmp    $0x72,%eax
  jg     L53
  cmp    $0x41,%eax
  jge    L58
  jmp    L53
L120:
  mov    $0x0,%eax
  jmp    L40
L10:
  mov    $0x1,%eax
  jmp    L40
L73:
  mov    $0xffffffff,%eax
  jmp    L40
L53:
  mov    $0x63,%eax
L40:
  pop    %rbp
  ret
```

assistant: ```c
int get_hand(void) {
  switch (getch()) {
  case '1':
  case 'r':
  case 'R':
  case 'a':
  case 'A':
    return 0;
  case '2':
  case 'l':
  case 'L':
  case 'b':
  case 'B':
    return 1;
  case '0':
  case 'q':
  case 'Q':
  case ' ':
  case 27:
    return -1;
  default:
    return 99;
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<get_hand>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <getch@plt>
  cmp    $0x32,%eax
  jle    L69
  lea    -0x41(%rax),%ecx
  cmp    $0x31,%ecx
  ja     L11
  mov    $0x1,%eax
  shl    %cl,%rax
  movabs $0x2000100020001,%rdx
  test   %rdx,%rax
  jne    L31
  movabs $0x80200000802,%rdx
  test   %rdx,%rax
  jne    L1
  movabs $0x1000000010000,%rdx
  and    %rdx,%rax
  cmp    $0x1,%rax
  sbb    %eax,%eax
  and    $0x64,%eax
  sub    $0x1,%eax
L35:
  add    $0x8,%rsp
  ret
L69:
  cmp    $0x1a,%eax
  jg     L44
  mov    $0x63,%eax
  jmp    L35
L44:
  sub    $0x1b,%eax
  cmp    $0x17,%eax
  ja     L24
  mov    %eax,%eax
  lea    D2(%rip),%rdx
  movslq (%rdx,%rax,4),%rax
  add    %rdx,%rax
  notrack jmp *%rax
  mov    $0x1,%eax
  jmp    L35
  mov    $0x0,%eax
  jmp    L35
  mov    $0xffffffff,%eax
  jmp    L35
L31:
  mov    $0x0,%eax
  jmp    L35
L1:
  mov    $0x1,%eax
  jmp    L35
L24:
  mov    $0x63,%eax
  jmp    L35
L11:
  mov    $0x63,%eax
  jmp    L35
```

assistant: ```c
int get_hand(void) {
  switch (getch()) {
  case '1':
  case 'r':
  case 'R':
  case 'a':
  case 'A':
    return 0;
  case '2':
  case 'l':
  case 'L':
  case 'b':
  case 'B':
    return 1;
  case '0':
  case 'q':
  case 'Q':
  case ' ':
  case 27:
    return -1;
  default:
    return 99;
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<mc_hash32>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  movl   $0x1505,-0xc(%rbp)
  jmp    L17
L2:
  mov    -0xc(%rbp),%eax
  shl    $0x5,%eax
  sub    -0xc(%rbp),%eax
  mov    %eax,%ecx
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x8(%rbp)
  movzbl (%rax),%eax
  movzbl %al,%eax
  add    %ecx,%eax
  mov    %eax,-0xc(%rbp)
L17:
  mov    -0x1c(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,-0x1c(%rbp)
  test   %eax,%eax
  jne    L2
  mov    -0xc(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
unsigned int mc_hash32(const void *buffer, int len) {
  const unsigned char *data = (const unsigned char *)buffer;
  unsigned int hash = 5381;
  while (len--) {
    hash = ((hash << 5) - hash) + *data++;
  }
  return hash;
}
```
user: What is the c source code of the assembly code below?

```asm
<mc_hash32>:
  endbr64
  test   %esi,%esi
  je     L14
  mov    %esi,%esi
  lea    (%rdi,%rsi,1),%rcx
  mov    $0x1505,%eax
L0:
  mov    %eax,%edx
  shl    $0x5,%edx
  sub    %eax,%edx
  add    $0x1,%rdi
  movzbl -0x1(%rdi),%eax
  add    %edx,%eax
  cmp    %rcx,%rdi
  jne    L0
  ret
L14:
  mov    $0x1505,%eax
  ret
```

assistant: ```c
unsigned int mc_hash32(const void *buffer, int len) {
  const unsigned char *data = (const unsigned char *)buffer;
  unsigned int hash = 5381;
  while (len--) {
    hash = ((hash << 5) - hash) + *data++;
  }
  return hash;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<mc_hash32>:
  endbr64
  test   %esi,%esi
  je     L8
  mov    %esi,%esi
  mov    $0x1505,%eax
  lea    (%rdi,%rsi,1),%rcx
  nopl   0x0(%rax,%rax,1)
L10:
  mov    %eax,%edx
  add    $0x1,%rdi
  shl    $0x5,%edx
  sub    %eax,%edx
  movzbl -0x1(%rdi),%eax
  add    %edx,%eax
  cmp    %rdi,%rcx
  jne    L10
  ret
  nop
L8:
  mov    $0x1505,%eax
  ret
```

assistant: ```c
unsigned int mc_hash32(const void *buffer, int len) {
  const unsigned char *data = (const unsigned char *)buffer;
  unsigned int hash = 5381;
  while (len--) {
    hash = ((hash << 5) - hash) + *data++;
  }
  return hash;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<mc_hash32>:
  endbr64
  test   %esi,%esi
  je     L1
  mov    %esi,%esi
  mov    $0x1505,%eax
  lea    (%rdi,%rsi,1),%rcx
  nopl   0x0(%rax,%rax,1)
L13:
  mov    %eax,%edx
  add    $0x1,%rdi
  shl    $0x5,%edx
  sub    %eax,%edx
  movzbl -0x1(%rdi),%eax
  add    %edx,%eax
  cmp    %rcx,%rdi
  jne    L13
  ret
  nop
L1:
  mov    $0x1505,%eax
  ret
```

assistant: ```c
unsigned int mc_hash32(const void *buffer, int len) {
  const unsigned char *data = (const unsigned char *)buffer;
  unsigned int hash = 5381;
  while (len--) {
    hash = ((hash << 5) - hash) + *data++;
  }
  return hash;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<foo>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  movl   $0x2,-0x4(%rbp)
  jmp    L10
L27:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%ecx
  mov    -0x4(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rsi
  mov    -0x18(%rbp),%rax
  add    %rsi,%rax
  add    %ecx,%edx
  mov    %edx,(%rax)
  addl   $0x1,-0x4(%rbp)
L10:
  mov    -0x4(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jl     L27
  movl   $0x2,-0x4(%rbp)
  jmp    L29
L16:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%ecx
  mov    -0x4(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rsi
  mov    -0x18(%rbp),%rax
  add    %rsi,%rax
  add    %ecx,%edx
  mov    %edx,(%rax)
  addl   $0x1,-0x4(%rbp)
L29:
  mov    -0x4(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jl     L16
  nop
  pop    %rbp
  ret
```

assistant: ```c
int foo(int *a, int n) {
  int i;
  for (i = 2; i < n; i++)
    a[i] += a[i + 1];
  for (i = 2; i < n; i++)
    a[i] += a[i + 1];
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<foo>:
  endbr64
  cmp    $0x2,%esi
  jle    L25
  lea    0x8(%rdi),%rax
  lea    -0x3(%rsi),%edx
  lea    0xc(%rdi,%rdx,4),%rcx
  mov    %rax,%rdx
L1:
  mov    0x4(%rdx),%esi
  add    %esi,(%rdx)
  add    $0x4,%rdx
  cmp    %rcx,%rdx
  jne    L1
L5:
  mov    0x4(%rax),%edx
  add    %edx,(%rax)
  add    $0x4,%rax
  cmp    %rcx,%rax
  jne    L5
L25:
  ret
```

assistant: ```c
int foo(int *a, int n) {
  int i;
  for (i = 2; i < n; i++)
    a[i] += a[i + 1];
  for (i = 2; i < n; i++)
    a[i] += a[i + 1];
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<foo>:
  endbr64
  cmp    $0x2,%esi
  jle    L12
  lea    -0x3(%rsi),%edx
  lea    0x8(%rdi),%rax
  lea    0xc(%rdi,%rdx,4),%rcx
  mov    %rax,%rdx
  nopl   0x0(%rax,%rax,1)
L16:
  mov    0x4(%rdx),%esi
  add    %esi,(%rdx)
  add    $0x4,%rdx
  cmp    %rcx,%rdx
  jne    L16
  xchg   %ax,%ax
L21:
  mov    0x4(%rax),%edx
  add    %edx,(%rax)
  add    $0x4,%rax
  cmp    %rcx,%rax
  jne    L21
L12:
  ret
```

assistant: ```c
int foo(int *a, int n) {
  int i;
  for (i = 2; i < n; i++)
    a[i] += a[i + 1];
  for (i = 2; i < n; i++)
    a[i] += a[i + 1];
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<foo>:
  endbr64
  mov    %rdi,%rax
  mov    %esi,%edi
  cmp    $0x2,%esi
  jle    L69
  lea    -0x3(%rsi),%r9d
  lea    -0x2(%rsi),%r8d
  cmp    $0x2,%r9d
  jbe    L2
  mov    %r8d,%esi
  lea    0x8(%rax),%rcx
  lea    0x18(%rax),%r10
  shr    $0x2,%esi
  mov    %rcx,%rdx
  sub    $0x1,%esi
  shl    $0x4,%rsi
  add    %r10,%rsi
  nop
L85:
  movdqu (%rdx),%xmm0
  movdqu 0x4(%rdx),%xmm2
  add    $0x10,%rdx
  paddd  %xmm2,%xmm0
  movups %xmm0,-0x10(%rdx)
  cmp    %rsi,%rdx
  jne    L85
  mov    %r8d,%esi
  and    $0xfffffffc,%esi
  lea    0x2(%rsi),%edx
  cmp    %esi,%r8d
  je     L98
L24:
  mov    %edi,%ecx
  sub    %esi,%ecx
  lea    -0x2(%rcx),%r10d
  cmp    $0x3,%ecx
  je     L96
  add    $0x2,%esi
  shl    $0x2,%rsi
  lea    (%rax,%rsi,1),%rcx
  movq   0x4(%rax,%rsi,1),%xmm0
  movq   (%rcx),%xmm1
  paddd  %xmm1,%xmm0
  movq   %xmm0,(%rcx)
  mov    %r10d,%ecx
  and    $0xfffffffe,%ecx
  add    %ecx,%edx
  cmp    %ecx,%r10d
  je     L115
L96:
  movslq %edx,%rdx
  shl    $0x2,%rdx
  mov    0x4(%rax,%rdx,1),%ecx
  add    %ecx,(%rax,%rdx,1)
L115:
  cmp    $0x2,%r9d
  jbe    L9
  lea    0x8(%rax),%rcx
  lea    0x18(%rax),%r10
L98:
  mov    %rcx,%rdx
  mov    %r8d,%ecx
  shr    $0x2,%ecx
  sub    $0x1,%ecx
  shl    $0x4,%rcx
  add    %r10,%rcx
  nopw   0x0(%rax,%rax,1)
L60:
  movdqu (%rdx),%xmm0
  movdqu 0x4(%rdx),%xmm3
  add    $0x10,%rdx
  paddd  %xmm3,%xmm0
  movups %xmm0,-0x10(%rdx)
  cmp    %rcx,%rdx
  jne    L60
  mov    %r8d,%ecx
  and    $0xfffffffc,%ecx
  lea    0x2(%rcx),%edx
  cmp    %r8d,%ecx
  je     L125
L61:
  sub    %ecx,%edi
  lea    -0x2(%rdi),%r8d
  cmp    $0x3,%edi
  je     L76
  add    $0x2,%ecx
  shl    $0x2,%rcx
  lea    (%rax,%rcx,1),%rsi
  movq   0x4(%rax,%rcx,1),%xmm0
  mov    %r8d,%ecx
  movq   (%rsi),%xmm1
  and    $0xfffffffe,%ecx
  add    %ecx,%edx
  paddd  %xmm1,%xmm0
  movq   %xmm0,(%rsi)
  cmp    %ecx,%r8d
  je     L69
L76:
  movslq %edx,%rdx
  shl    $0x2,%rdx
  mov    0x4(%rax,%rdx,1),%ecx
  add    %ecx,(%rax,%rdx,1)
L69:
  ret
  nopl   0x0(%rax)
L125:
  ret
L9:
  xor    %ecx,%ecx
  mov    $0x2,%edx
  jmp    L61
L2:
  xor    %esi,%esi
  mov    $0x2,%edx
  jmp    L24
```

assistant: ```c
int foo(int *a, int n) {
  int i;
  for (i = 2; i < n; i++)
    a[i] += a[i + 1];
  for (i = 2; i < n; i++)
    a[i] += a[i + 1];
}
```