ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请将以下的汇编代码转换成C语言代码:

```asm
<BSP_Time_Init>:
  endbr64
  mov    0x400fe65c,%eax
  or     $0x20,%eax
  mov    %eax,0x400fe65c
  nopl   (%rax)
L6:
  mov    0x400fea5c,%eax
  test   $0x20,%al
  je     L6
  mov    0x4004f00c,%eax
  xor    %edi,%edi
  and    $0xfe,%ah
  mov    %eax,0x4004f00c
  movl   $0x4,0x4004f000
  movl   $0x2,0x4004f008
  movl   $0xffffffff,0x4004f02c
  movl   $0x4f,0x4004f03c
  movl   $0x100,0x4004f024
  mov    0x4004f018,%eax
  and    $0xfe,%ah
  mov    %eax,0x4004f018
  mov    0x4004f00c,%eax
  or     $0x1,%ah
  mov    %eax,0x4004f00c
  jmp    1050 <EndCritical@plt>
```

assistant: ```c
void BSP_Time_Init(void) {
  long sr;
  (*((volatile uint32_t *)0x400FE65C)) |= 0x20;
  while (((*((volatile uint32_t *)0x400FEA5C)) & 0x20) == 0) {
  };
  (*((volatile uint32_t *)0x4004F00C)) &= ~0x00000100;
  (*((volatile uint32_t *)0x4004F000)) = 0x00000004;
  (*((volatile uint32_t *)0x4004F008)) = 0x00000002;
  (*((volatile uint32_t *)0x4004F02C)) = 0xFFFFFFFF;
  (*((volatile uint32_t *)0x4004F03C)) = 79;
  (*((volatile uint32_t *)0x4004F024)) = 0x00000100;
  (*((volatile uint32_t *)0x4004F018)) &= ~0x00000100;
  (*((volatile uint32_t *)0x4004F00C)) |= 0x00000100;
  EndCritical(sr);
}
```
user: Translate the below assembly code into C programming language:

```asm
<BSP_Time_Init>:
  endbr64
  mov    0x400fe65c,%eax
  or     $0x20,%eax
  mov    %eax,0x400fe65c
  nopl   (%rax)
L7:
  mov    0x400fea5c,%eax
  test   $0x20,%al
  je     L7
  mov    0x4004f00c,%eax
  xor    %edi,%edi
  and    $0xfe,%ah
  mov    %eax,0x4004f00c
  movl   $0x4,0x4004f000
  movl   $0x2,0x4004f008
  movl   $0xffffffff,0x4004f02c
  movl   $0x4f,0x4004f03c
  movl   $0x100,0x4004f024
  mov    0x4004f018,%eax
  and    $0xfe,%ah
  mov    %eax,0x4004f018
  mov    0x4004f00c,%eax
  or     $0x1,%ah
  mov    %eax,0x4004f00c
  jmp    1050 <EndCritical@plt>
```

assistant: ```c
void BSP_Time_Init(void) {
  long sr;
  (*((volatile uint32_t *)0x400FE65C)) |= 0x20;
  while (((*((volatile uint32_t *)0x400FEA5C)) & 0x20) == 0) {
  };
  (*((volatile uint32_t *)0x4004F00C)) &= ~0x00000100;
  (*((volatile uint32_t *)0x4004F000)) = 0x00000004;
  (*((volatile uint32_t *)0x4004F008)) = 0x00000002;
  (*((volatile uint32_t *)0x4004F02C)) = 0xFFFFFFFF;
  (*((volatile uint32_t *)0x4004F03C)) = 79;
  (*((volatile uint32_t *)0x4004F024)) = 0x00000100;
  (*((volatile uint32_t *)0x4004F018)) &= ~0x00000100;
  (*((volatile uint32_t *)0x4004F00C)) |= 0x00000100;
  EndCritical(sr);
}
```
user: Translate the below assembly code into C programming language:

```asm
<test_filename>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  lea    D8(%rip),%rax
  mov    %rax,%rdi
  call   <filename@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  lea    D8(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  lea    D48(%rip),%rax
  mov    %rax,%rdi
  call   <filename@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  lea    D8(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  lea    D50(%rip),%rax
  mov    %rax,%rdi
  call   <filename@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  lea    D85(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  lea    D11(%rip),%rax
  mov    %rax,%rdi
  call   <filename@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  lea    D97(%rip),%rax
  mov    %rax,%rdi
  call   <filename@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  lea    D36(%rip),%rax
  mov    %rax,%rdi
  call   <filename@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  lea    D72(%rip),%rax
  mov    %rax,%rdi
  call   <filename@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  nop
  leave
  ret
```

tool_calls: name: parse_data
arguments: data_label: D8
type_guessed: string
name: parse_data
arguments: data_label: D48
type_guessed: string
name: parse_data
arguments: data_label: D50
type_guessed: string
name: parse_data
arguments: data_label: D85
type_guessed: string
name: parse_data
arguments: data_label: D11
type_guessed: string
name: parse_data
arguments: data_label: D97
type_guessed: string
name: parse_data
arguments: data_label: D36
type_guessed: string
name: parse_data
arguments: data_label: D72
type_guessed: string

tool: D8: asdf.txt

tool: D48: /foo/bar/asdf.txt

tool: D50: /foo/bar/

tool: D85: bar

tool: D11: .

tool: D97: ..

tool: D36: /foo/bar/.

tool: D72: /foo/bar/..

assistant: ```c
void test_filename() {
  char *f = filename("asdf.txt");
  assert(strcmp(f, "asdf.txt") == 0);
  free(f);
  f = filename("/foo/bar/asdf.txt");
  assert(strcmp(f, "asdf.txt") == 0);
  free(f);
  f = filename("/foo/bar/");
  assert(strcmp(f, "bar") == 0);
  free(f);
  f = filename(".");
  assert(f == NULL);
  f = filename("..");
  assert(f == NULL);
  f = filename("/foo/bar/.");
  assert(f == NULL);
  f = filename("/foo/bar/..");
  assert(f == NULL);
}
```
user: What is the c source code of the assembly code below:

```asm
<test_filename>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  lea    D64(%rip),%rbp
  mov    %rbp,%rdi
  call   <filename@plt>
  mov    %rax,%rbx
  mov    %rbp,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  sete   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  mov    %rbx,%rdi
  call   <free@plt>
  lea    D16(%rip),%rdi
  call   <filename@plt>
  mov    %rax,%rbx
  mov    %rbp,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  sete   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  mov    %rbx,%rdi
  call   <free@plt>
  lea    D1(%rip),%rdi
  call   <filename@plt>
  mov    %rax,%rbx
  lea    D15(%rip),%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  sete   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  mov    %rbx,%rdi
  call   <free@plt>
  lea    D72(%rip),%rdi
  call   <filename@plt>
  test   %rax,%rax
  sete   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  lea    D56(%rip),%rdi
  call   <filename@plt>
  test   %rax,%rax
  sete   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  lea    D66(%rip),%rdi
  call   <filename@plt>
  test   %rax,%rax
  sete   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  lea    D58(%rip),%rdi
  call   <filename@plt>
  test   %rax,%rax
  sete   %dil
  movzbl %dil,%edi
  call   <assert@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

tool_calls: name: extract_symbolic_data
arguments: tag: D64
data_type: string
name: extract_symbolic_data
arguments: tag: D16
data_type: string
name: extract_symbolic_data
arguments: tag: D1
data_type: string
name: extract_symbolic_data
arguments: tag: D15
data_type: string
name: extract_symbolic_data
arguments: tag: D72
data_type: string
name: extract_symbolic_data
arguments: tag: D56
data_type: string
name: extract_symbolic_data
arguments: tag: D66
data_type: string
name: extract_symbolic_data
arguments: tag: D58
data_type: string

tool: D64: asdf.txt

tool: D16: /foo/bar/asdf.txt

tool: D1: /foo/bar/

tool: D15: bar

tool: D72: .

tool: D56: ..

tool: D66: /foo/bar/.

tool: D58: /foo/bar/..

assistant: ```c
void test_filename() {
  char *f = filename("asdf.txt");
  assert(strcmp(f, "asdf.txt") == 0);
  free(f);
  f = filename("/foo/bar/asdf.txt");
  assert(strcmp(f, "asdf.txt") == 0);
  free(f);
  f = filename("/foo/bar/");
  assert(strcmp(f, "bar") == 0);
  free(f);
  f = filename(".");
  assert(f == NULL);
  f = filename("..");
  assert(f == NULL);
  f = filename("/foo/bar/.");
  assert(f == NULL);
  f = filename("/foo/bar/..");
  assert(f == NULL);
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<test_filename>:
  endbr64
  push   %r12
  lea    D73(%rip),%r12
  push   %rbp
  mov    %r12,%rdi
  sub    $0x8,%rsp
  call   <filename@plt>
  mov    %r12,%rsi
  mov    %rax,%rdi
  mov    %rax,%rbp
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %rax,%rax
  sete   %dil
  call   <assert@plt>
  mov    %rbp,%rdi
  call   <free@plt>
  lea    D28(%rip),%rdi
  call   <filename@plt>
  mov    %r12,%rsi
  mov    %rax,%rdi
  mov    %rax,%rbp
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %rax,%rax
  sete   %dil
  call   <assert@plt>
  mov    %rbp,%rdi
  call   <free@plt>
  lea    D14(%rip),%rdi
  call   <filename@plt>
  lea    D50(%rip),%rsi
  mov    %rax,%rdi
  mov    %rax,%rbp
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %rax,%rax
  sete   %dil
  call   <assert@plt>
  mov    %rbp,%rdi
  call   <free@plt>
  lea    D19(%rip),%rdi
  call   <filename@plt>
  xor    %edi,%edi
  test   %rax,%rax
  sete   %dil
  call   <assert@plt>
  lea    D48(%rip),%rdi
  call   <filename@plt>
  xor    %edi,%edi
  test   %rax,%rax
  sete   %dil
  call   <assert@plt>
  lea    D13(%rip),%rdi
  call   <filename@plt>
  xor    %edi,%edi
  test   %rax,%rax
  sete   %dil
  call   <assert@plt>
  lea    D76(%rip),%rdi
  call   <filename@plt>
  xor    %edi,%edi
  test   %rax,%rax
  sete   %dil
  add    $0x8,%rsp
  pop    %rbp
  pop    %r12
  jmp    10a0 <assert@plt>
```

tool_calls: name: read_data
arguments: label: D73
datatype: string
name: read_data
arguments: label: D28
datatype: string
name: read_data
arguments: label: D14
datatype: string
name: read_data
arguments: label: D50
datatype: string
name: read_data
arguments: label: D19
datatype: string
name: read_data
arguments: label: D48
datatype: string
name: read_data
arguments: label: D13
datatype: string
name: read_data
arguments: label: D76
datatype: string

tool: D73: asdf.txt

tool: D28: /foo/bar/asdf.txt

tool: D14: /foo/bar/

tool: D50: bar

tool: D19: .

tool: D48: ..

tool: D13: /foo/bar/.

tool: D76: /foo/bar/..

assistant: ```c
void test_filename() {
  char *f = filename("asdf.txt");
  assert(strcmp(f, "asdf.txt") == 0);
  free(f);
  f = filename("/foo/bar/asdf.txt");
  assert(strcmp(f, "asdf.txt") == 0);
  free(f);
  f = filename("/foo/bar/");
  assert(strcmp(f, "bar") == 0);
  free(f);
  f = filename(".");
  assert(f == NULL);
  f = filename("..");
  assert(f == NULL);
  f = filename("/foo/bar/.");
  assert(f == NULL);
  f = filename("/foo/bar/..");
  assert(f == NULL);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<test_filename>:
  endbr64
  push   %r12
  lea    D69(%rip),%r12
  push   %rbp
  mov    %r12,%rdi
  sub    $0x8,%rsp
  call   <filename@plt>
  mov    %r12,%rsi
  mov    %rax,%rdi
  mov    %rax,%rbp
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %rax,%rax
  sete   %dil
  call   <assert@plt>
  mov    %rbp,%rdi
  call   <free@plt>
  lea    D71(%rip),%rdi
  call   <filename@plt>
  mov    %r12,%rsi
  mov    %rax,%rdi
  mov    %rax,%rbp
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %rax,%rax
  sete   %dil
  call   <assert@plt>
  mov    %rbp,%rdi
  call   <free@plt>
  lea    D31(%rip),%rdi
  call   <filename@plt>
  lea    D45(%rip),%rsi
  mov    %rax,%rdi
  mov    %rax,%rbp
  call   <strcmp@plt>
  xor    %edi,%edi
  test   %rax,%rax
  sete   %dil
  call   <assert@plt>
  mov    %rbp,%rdi
  call   <free@plt>
  lea    D63(%rip),%rdi
  call   <filename@plt>
  xor    %edi,%edi
  test   %rax,%rax
  sete   %dil
  call   <assert@plt>
  lea    D42(%rip),%rdi
  call   <filename@plt>
  xor    %edi,%edi
  test   %rax,%rax
  sete   %dil
  call   <assert@plt>
  lea    D8(%rip),%rdi
  call   <filename@plt>
  xor    %edi,%edi
  test   %rax,%rax
  sete   %dil
  call   <assert@plt>
  lea    D33(%rip),%rdi
  call   <filename@plt>
  xor    %edi,%edi
  test   %rax,%rax
  sete   %dil
  add    $0x8,%rsp
  pop    %rbp
  pop    %r12
  jmp    10a0 <assert@plt>
```

tool_calls: name: read_data
arguments: data_tag: D69
datatype: string
name: read_data
arguments: data_tag: D71
datatype: string
name: read_data
arguments: data_tag: D31
datatype: string
name: read_data
arguments: data_tag: D45
datatype: string
name: read_data
arguments: data_tag: D63
datatype: string
name: read_data
arguments: data_tag: D42
datatype: string
name: read_data
arguments: data_tag: D8
datatype: string
name: read_data
arguments: data_tag: D33
datatype: string

tool: D69: asdf.txt

tool: D71: /foo/bar/asdf.txt

tool: D31: /foo/bar/

tool: D45: bar

tool: D63: .

tool: D42: ..

tool: D8: /foo/bar/.

tool: D33: /foo/bar/..

assistant: ```c
void test_filename() {
  char *f = filename("asdf.txt");
  assert(strcmp(f, "asdf.txt") == 0);
  free(f);
  f = filename("/foo/bar/asdf.txt");
  assert(strcmp(f, "asdf.txt") == 0);
  free(f);
  f = filename("/foo/bar/");
  assert(strcmp(f, "bar") == 0);
  free(f);
  f = filename(".");
  assert(f == NULL);
  f = filename("..");
  assert(f == NULL);
  f = filename("/foo/bar/.");
  assert(f == NULL);
  f = filename("/foo/bar/..");
  assert(f == NULL);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<str_lower>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  jmp    L2
L9:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <tolower@plt>
  mov    -0x8(%rbp),%rdx
  mov    %al,(%rdx)
  addq   $0x1,-0x8(%rbp)
L2:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L9
  mov    -0x18(%rbp),%rax
  leave
  ret
```

assistant: ```c
char *str_lower(char *str) {
  char *c;
  for (c = str; *c != '\0'; c++) {
    *c = tolower(*c);
  }
  return str;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<str_lower>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  movzbl (%rdi),%edi
  test   %dil,%dil
  je     L18
  mov    %rbp,%rbx
L6:
  movsbl %dil,%edi
  call   <tolower@plt>
  mov    %al,(%rbx)
  add    $0x1,%rbx
  movzbl (%rbx),%edi
  test   %dil,%dil
  jne    L6
L18:
  mov    %rbp,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
char *str_lower(char *str) {
  char *c;
  for (c = str; *c != '\0'; c++) {
    *c = tolower(*c);
  }
  return str;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<str_lower>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbx
  sub    $0x8,%rsp
  movsbl (%rdi),%edi
  test   %dil,%dil
  je     L12
  mov    %r12,%rbx
  nopl   0x0(%rax)
L10:
  call   <tolower@plt>
  add    $0x1,%rbx
  mov    %al,-0x1(%rbx)
  movsbl (%rbx),%edi
  test   %dil,%dil
  jne    L10
L12:
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %r12
  ret
```

assistant: ```c
char *str_lower(char *str) {
  char *c;
  for (c = str; *c != '\0'; c++) {
    *c = tolower(*c);
  }
  return str;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<str_lower>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbx
  sub    $0x8,%rsp
  movsbl (%rdi),%edi
  test   %dil,%dil
  je     L9
  mov    %r12,%rbx
  nopl   0x0(%rax)
L15:
  call   <tolower@plt>
  add    $0x1,%rbx
  mov    %al,-0x1(%rbx)
  movsbl (%rbx),%edi
  test   %dil,%dil
  jne    L15
L9:
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %r12
  ret
```

assistant: ```c
char *str_lower(char *str) {
  char *c;
  for (c = str; *c != '\0'; c++) {
    *c = tolower(*c);
  }
  return str;
}
```
user: Translate the below assembly code into C programming language:

```asm
<setvareq>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x60,%rsp
  mov    %rdi,-0x58(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x58(%rbp),%rax
  mov    %rax,-0x38(%rbp)
  lea    -0x30(%rbp),%rax
  mov    %rax,-0x40(%rbp)
  movl   $0x0,-0x44(%rbp)
  jmp    L19
L29:
  mov    -0x38(%rbp),%rdx
  lea    0x1(%rdx),%rax
  mov    %rax,-0x38(%rbp)
  mov    -0x40(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    %rcx,-0x40(%rbp)
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
  mov    -0x38(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x3d,%al
  je     L26
  addl   $0x1,-0x44(%rbp)
L19:
  cmpl   $0x1e,-0x44(%rbp)
  jle    L29
  jmp    L33
L26:
  nop
L33:
  mov    -0x40(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x58(%rbp),%rax
  mov    $0x3d,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  mov    %rax,-0x40(%rbp)
  mov    -0x40(%rbp),%rax
  lea    0x1(%rax),%rdx
  lea    -0x30(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <setvar@plt>
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L1
  call   <__stack_chk_fail@plt>
L1:
  leave
  ret
```

assistant: ```c
void setvareq(char *str) {
  char name[32];
  char *p, *s;
  int i;
  s = str;
  p = name;
  for (i = 0; i < 32 - 1; i++) {
    *p++ = *s++;
    if (*s == '=')
      break;
  }
  *p = '\0';
  p = strchr(str, '=');
  setvar(name, p + 1);
}
```
user: Translate the below assembly code into C programming language:

```asm
<setvareq>:
  endbr64
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  mov    %rdi,%rdx
  mov    %rsp,%rax
  lea    0x1f(%rsp),%rsi
L3:
  add    $0x1,%rdx
  add    $0x1,%rax
  movzbl -0x1(%rdx),%ecx
  mov    %cl,-0x1(%rax)
  cmpb   $0x3d,(%rdx)
  je     L10
  cmp    %rsi,%rax
  jne    L3
  lea    0x1f(%rsp),%rax
L10:
  movb   $0x0,(%rax)
  mov    $0x3d,%esi
  call   <strchr@plt>
  lea    0x1(%rax),%rsi
  mov    %rsp,%rdi
  call   <setvar@plt>
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L21
  add    $0x38,%rsp
  ret
L21:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void setvareq(char *str) {
  char name[32];
  char *p, *s;
  int i;
  s = str;
  p = name;
  for (i = 0; i < 32 - 1; i++) {
    *p++ = *s++;
    if (*s == '=')
      break;
  }
  *p = '\0';
  p = strchr(str, '=');
  setvar(name, p + 1);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<setvareq>:
  endbr64
  push   %rbp
  mov    %rdi,%rdx
  sub    $0x30,%rsp
  movzbl (%rdi),%ecx
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbp
  lea    0x1f(%rsp),%rsi
  mov    %rbp,%rax
  jmp    L28
  nopl   0x0(%rax)
L35:
  cmp    %rsi,%rax
  je     L38
L28:
  add    $0x1,%rdx
  mov    %cl,(%rax)
  add    $0x1,%rax
  movzbl (%rdx),%ecx
  cmp    $0x3d,%cl
  jne    L35
L38:
  movb   $0x0,(%rax)
  mov    $0x3d,%esi
  call   <strchr@plt>
  mov    %rbp,%rdi
  lea    0x1(%rax),%rsi
  call   <setvar@plt>
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L21
  add    $0x30,%rsp
  pop    %rbp
  ret
L21:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void setvareq(char *str) {
  char name[32];
  char *p, *s;
  int i;
  s = str;
  p = name;
  for (i = 0; i < 32 - 1; i++) {
    *p++ = *s++;
    if (*s == '=')
      break;
  }
  *p = '\0';
  p = strchr(str, '=');
  setvar(name, p + 1);
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<setvareq>:
  endbr64
  push   %rbp
  mov    %rdi,%rdx
  sub    $0x30,%rsp
  movzbl (%rdi),%ecx
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbp
  lea    0x1f(%rsp),%rsi
  mov    %rbp,%rax
  jmp    L21
  nopl   0x0(%rax)
L36:
  cmp    %rsi,%rax
  je     L28
L21:
  add    $0x1,%rdx
  mov    %cl,(%rax)
  add    $0x1,%rax
  movzbl (%rdx),%ecx
  cmp    $0x3d,%cl
  jne    L36
L28:
  movb   $0x0,(%rax)
  mov    $0x3d,%esi
  call   <strchr@plt>
  mov    %rbp,%rdi
  lea    0x1(%rax),%rsi
  call   <setvar@plt>
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L27
  add    $0x30,%rsp
  pop    %rbp
  ret
L27:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void setvareq(char *str) {
  char name[32];
  char *p, *s;
  int i;
  s = str;
  p = name;
  for (i = 0; i < 32 - 1; i++) {
    *p++ = *s++;
    if (*s == '=')
      break;
  }
  *p = '\0';
  p = strchr(str, '=');
  setvar(name, p + 1);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<bigint_init_raw>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    %rcx,-0x40(%rbp)
  mov    $0x4,%eax
  sub    -0x40(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x38(%rbp),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x8(%rbp)
  jmp    L18
L8:
  subq   $0x4,-0x8(%rbp)
  mov    -0x10(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  mov    -0x8(%rbp),%rdx
  mov    (%rdx),%edx
  mov    %edx,(%rax)
L18:
  mov    -0x40(%rbp),%rax
  lea    -0x1(%rax),%rdx
  mov    %rdx,-0x40(%rbp)
  test   %rax,%rax
  jne    L8
  jmp    L4
L30:
  mov    -0x10(%rbp),%rax
  lea    0x4(%rax),%rdx
  mov    %rdx,-0x10(%rbp)
  movl   $0x0,(%rax)
L4:
  mov    -0x18(%rbp),%rax
  lea    -0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  test   %rax,%rax
  jne    L30
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
__attribute__((always_)) void bigint_init_raw(uint32_t *value0, unsigned int size, const void *data, size_t len) {
  size_t pad_len = (sizeof(bigint_t(size)) - len);
  uint8_t *value_byte = ((void *)value0);
  const uint8_t *data_byte = (data + len);
  while (len--)
    *(value_byte++) = *(--data_byte);
  while (pad_len--)
    *(value_byte++) = 0;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<bigint_init_raw>:
  endbr64
  mov    %rdi,%r8
  lea    -0x1(%rcx),%rax
  test   %rcx,%rcx
  je     L19
  mov    %rdi,%rsi
  lea    0x0(,%rcx,4),%r9
  mov    %rcx,%rdi
  sub    %r9,%rdi
  add    %rdi,%rdx
L3:
  mov    (%rdx,%rax,4),%edi
  mov    %edi,(%rsi)
  sub    $0x1,%rax
  add    $0x4,%rsi
  cmp    $0xffffffffffffffff,%rax
  jne    L3
  lea    (%r8,%rcx,4),%r8
  mov    $0x3,%esi
  sub    %rcx,%rsi
  cmp    $0x4,%rcx
  je     L26
L48:
  mov    $0x0,%eax
L13:
  movl   $0x0,(%r8,%rax,4)
  mov    %rax,%rdx
  add    $0x1,%rax
  cmp    %rdx,%rsi
  jne    L13
  ret
L26:
  ret
L19:
  mov    $0x3,%esi
  jmp    L48
```

assistant: ```c
__attribute__((always_)) void bigint_init_raw(uint32_t *value0, unsigned int size, const void *data, size_t len) {
  size_t pad_len = (sizeof(bigint_t(size)) - len);
  uint8_t *value_byte = ((void *)value0);
  const uint8_t *data_byte = (data + len);
  while (len--)
    *(value_byte++) = *(--data_byte);
  while (pad_len--)
    *(value_byte++) = 0;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<bigint_init_raw>:
  endbr64
  mov    %rdi,%r8
  lea    -0x1(%rcx),%rax
  test   %rcx,%rcx
  je     L0
  mov    %rcx,%r9
  mov    %rdi,%rsi
  neg    %r9
  shl    $0x2,%r9
  lea    (%rcx,%r9,1),%rdi
  add    %rdi,%rdx
  nopl   0x0(%rax)
L22:
  mov    (%rdx,%rax,4),%edi
  sub    $0x1,%rax
  add    $0x4,%rsi
  mov    %edi,-0x4(%rsi)
  cmp    $0xffffffffffffffff,%rax
  jne    L22
  sub    %r9,%r8
  cmp    $0x4,%rcx
  je     L15
L0:
  mov    $0x4,%edx
  xor    %esi,%esi
  mov    %r8,%rdi
  sub    %rcx,%rdx
  shl    $0x2,%rdx
  jmp    1050 <memset@plt>
  nopl   0x0(%rax,%rax,1)
L15:
  ret
```

assistant: ```c
__attribute__((always_)) void bigint_init_raw(uint32_t *value0, unsigned int size, const void *data, size_t len) {
  size_t pad_len = (sizeof(bigint_t(size)) - len);
  uint8_t *value_byte = ((void *)value0);
  const uint8_t *data_byte = (data + len);
  while (len--)
    *(value_byte++) = *(--data_byte);
  while (pad_len--)
    *(value_byte++) = 0;
}
```