ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Converte this assembly snippet into its equivalent C code:

```asm
<chx>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  movl   $0x0,-0xc(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0x8(%rbp)
  movl   $0x0,-0x10(%rbp)
  jmp    L39
L2:
  mov    -0x8(%rbp),%eax
  sub    -0x10(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,%esi
  mov    $0x10,%edi
  call   <pow@plt>
  mov    %eax,-0x4(%rbp)
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jle    L30
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x39,%al
  jg     L30
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  sub    $0x30,%eax
  imul   -0x4(%rbp),%eax
  add    %eax,-0xc(%rbp)
  jmp    L41
L30:
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  sub    $0x57,%eax
  imul   -0x4(%rbp),%eax
  add    %eax,-0xc(%rbp)
L41:
  addl   $0x1,-0x10(%rbp)
L39:
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L2
  mov    -0xc(%rbp),%eax
  leave
  ret
```

assistant: ```c
int chx(char str[]) {
  int len, i, sum = 0, sq;
  len = strlen(str);
  for (i = 0; str[i] != '\0'; i++) {
    sq = (int)pow(16, len - i - 1);
    if (str[i] >= '0' && str[i] <= '9') {
      sum += (str[i] - '0' + 0) * sq;
    } else {
      sum += (str[i] - 'a' + 10) * sq;
    }
  }
  return sum;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<chx>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r12
  call   <strlen@plt>
  cmpb   $0x0,(%r12)
  je     L49
  mov    %r12,%rbx
  mov    $0x0,%ebp
  lea    -0x1(%rax,%r12,1),%r12d
  jmp    L28
L16:
  movsbl %dl,%edx
  sub    $0x57,%edx
  imul   %eax,%edx
  add    %edx,%ebp
L6:
  add    $0x1,%rbx
  cmpb   $0x0,(%rbx)
  je     L40
L28:
  mov    %r12d,%esi
  sub    %ebx,%esi
  mov    $0x10,%edi
  call   <pow@plt>
  movzbl (%rbx),%edx
  lea    -0x30(%rdx),%ecx
  cmp    $0x9,%cl
  ja     L16
  movsbl %dl,%edx
  sub    $0x30,%edx
  imul   %eax,%edx
  add    %edx,%ebp
  jmp    L6
L49:
  mov    $0x0,%ebp
L40:
  mov    %ebp,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
int chx(char str[]) {
  int len, i, sum = 0, sq;
  len = strlen(str);
  for (i = 0; str[i] != '\0'; i++) {
    sq = (int)pow(16, len - i - 1);
    if (str[i] >= '0' && str[i] <= '9') {
      sum += (str[i] - '0' + 0) * sq;
    } else {
      sum += (str[i] - 'a' + 10) * sq;
    }
  }
  return sum;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<chx>:
  endbr64
  push   %r12
  xor    %r12d,%r12d
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  call   <strlen@plt>
  cmpb   $0x0,(%rbx)
  je     L15
  lea    -0x1(%rax,%rbx,1),%ebp
  jmp    L21
  xchg   %ax,%ax
L18:
  movsbl %cl,%ecx
  add    $0x1,%rbx
  imul   %eax,%ecx
  add    %ecx,%r12d
  cmpb   $0x0,(%rbx)
  je     L15
L21:
  mov    %ebp,%esi
  mov    $0x10,%edi
  sub    %ebx,%esi
  call   <pow@plt>
  movsbl (%rbx),%edx
  lea    -0x30(%rdx),%ecx
  cmp    $0x9,%cl
  jbe    L18
  sub    $0x57,%edx
  add    $0x1,%rbx
  imul   %eax,%edx
  add    %edx,%r12d
  cmpb   $0x0,(%rbx)
  jne    L21
L15:
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
int chx(char str[]) {
  int len, i, sum = 0, sq;
  len = strlen(str);
  for (i = 0; str[i] != '\0'; i++) {
    sq = (int)pow(16, len - i - 1);
    if (str[i] >= '0' && str[i] <= '9') {
      sum += (str[i] - '0' + 0) * sq;
    } else {
      sum += (str[i] - 'a' + 10) * sq;
    }
  }
  return sum;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<chx>:
  endbr64
  push   %r12
  xor    %r12d,%r12d
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  call   <strlen@plt>
  cmpb   $0x0,(%rbx)
  je     L0
  lea    -0x1(%rax,%rbx,1),%ebp
  jmp    L36
  xchg   %ax,%ax
L30:
  movsbl %cl,%ecx
  add    $0x1,%rbx
  imul   %eax,%ecx
  add    %ecx,%r12d
  cmpb   $0x0,(%rbx)
  je     L0
L36:
  mov    %ebp,%esi
  mov    $0x10,%edi
  sub    %ebx,%esi
  call   <pow@plt>
  movsbl (%rbx),%edx
  lea    -0x30(%rdx),%ecx
  cmp    $0x9,%cl
  jbe    L30
  sub    $0x57,%edx
  add    $0x1,%rbx
  imul   %eax,%edx
  add    %edx,%r12d
  cmpb   $0x0,(%rbx)
  jne    L36
L0:
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
int chx(char str[]) {
  int len, i, sum = 0, sq;
  len = strlen(str);
  for (i = 0; str[i] != '\0'; i++) {
    sq = (int)pow(16, len - i - 1);
    if (str[i] >= '0' && str[i] <= '9') {
      sum += (str[i] - '0' + 0) * sq;
    } else {
      sum += (str[i] - 'a' + 10) * sq;
    }
  }
  return sum;
}
```
user: What is the c source code of the assembly code below:

```asm
<le16_to_cpupu>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    (%rax),%edx
  mov    -0x8(%rbp),%rax
  add    $0x4,%rax
  mov    (%rax),%eax
  shl    $0x8,%eax
  or     %edx,%eax
  pop    %rbp
  ret
```

assistant: ```c
uint16_t le16_to_cpupu(const uint16_t *p) {
  const uint8_t *p1 = (const uint8_t *)p;
  return p1[0] | (p1[1] << 8);
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<le16_to_cpupu>:
  endbr64
  mov    0x4(%rdi),%eax
  shl    $0x8,%eax
  or     (%rdi),%eax
  ret
```

assistant: ```c
uint16_t le16_to_cpupu(const uint16_t *p) {
  const uint8_t *p1 = (const uint8_t *)p;
  return p1[0] | (p1[1] << 8);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<le16_to_cpupu>:
  endbr64
  mov    0x4(%rdi),%eax
  shl    $0x8,%eax
  or     (%rdi),%eax
  ret
```

assistant: ```c
uint16_t le16_to_cpupu(const uint16_t *p) {
  const uint8_t *p1 = (const uint8_t *)p;
  return p1[0] | (p1[1] << 8);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<le16_to_cpupu>:
  endbr64
  mov    0x4(%rdi),%eax
  shl    $0x8,%eax
  or     (%rdi),%eax
  ret
```

assistant: ```c
uint16_t le16_to_cpupu(const uint16_t *p) {
  const uint8_t *p1 = (const uint8_t *)p;
  return p1[0] | (p1[1] << 8);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<gen_switches_and_alarms>:
  endbr64
  push   %r15
  mov    %rdi,%rcx
  mov    $0x2c,%edx
  mov    $0x1,%esi
  push   %r14
  lea    D28(%rip),%r15
  lea    D50(%rip),%r14
  push   %r13
  lea    D65(%rip),%r13
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  lea    D43(%rip),%rdi
  push   %rbx
  mov    $0x1,%ebx
  sub    $0x18,%rsp
  call   <fwrite@plt>
  mov    %rbp,%rcx
  mov    $0x37,%edx
  mov    $0x1,%esi
  lea    D39(%rip),%rdi
  call   <fwrite@plt>
  mov    $0xd,%edx
  mov    %rbp,%rdi
  xor    %eax,%eax
  lea    D56(%rip),%rsi
  call   <fprintf@plt>
  mov    %rbp,%rcx
  mov    $0x48,%edx
  mov    $0x1,%esi
  lea    D8(%rip),%rdi
  call   <fwrite@plt>
L4:
  mov    %ebx,%r12d
  add    $0x1,%ebx
  mov    %r15,%rsi
  mov    %rbp,%rdi
  mov    %ebx,%ecx
  mov    %r12d,%edx
  xor    %eax,%eax
  call   <fprintf@plt>
  mov    %ebx,%ecx
  mov    %r12d,%edx
  mov    %r14,%rsi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <fprintf@plt>
  lea    0xd(%r12),%ecx
  mov    %r12d,%edx
  mov    %r13,%rsi
  mov    %rbp,%rdi
  xor    %eax,%eax
  mov    %ecx,0xc(%rsp)
  call   <fprintf@plt>
  mov    0xc(%rsp),%ecx
  xor    %eax,%eax
  mov    %r12d,%edx
  lea    D3(%rip),%rsi
  mov    %rbp,%rdi
  call   <fprintf@plt>
  cmp    $0xc,%ebx
  jne    L4
  add    $0x18,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

tool_calls: name: parse_data
arguments: data_tag: D28
type: string
name: parse_data
arguments: data_tag: D50
type: string
name: parse_data
arguments: data_tag: D65
type: string
name: parse_data
arguments: data_tag: D43
type: string
name: parse_data
arguments: data_tag: D39
type: string
name: parse_data
arguments: data_tag: D56
type: string
name: parse_data
arguments: data_tag: D8
type: string
name: parse_data
arguments: data_tag: D3
type: string

tool: D28: INTEGER, PARAMETER :: auxhist%d_only     = %d


tool: D50: INTEGER, PARAMETER :: AUXHIST%d_ALARM    = %d


tool: D65: INTEGER, PARAMETER :: auxinput%d_only     = %d


tool: D43: INTEGER, PARAMETER :: history_only      = 1


tool: D39: INTEGER, PARAMETER :: HISTORY_ALARM     = history_only


tool: D56: INTEGER, PARAMETER :: input_only        = %d


tool: D8: INTEGER, PARAMETER :: INPUT_ALARM       = input_only         ! not used


tool: D3: INTEGER, PARAMETER :: AUXINPUT%d_ALARM    = %d


assistant: ```c
int gen_switches_and_alarms(FILE *fp) {
  char *aux, *streamtype, streamno[5];
  int i;
  fprintf(fp, "INTEGER, PARAMETER :: history_only      = 1\n");
  fprintf(fp, "INTEGER, PARAMETER :: HISTORY_ALARM     = history_only\n");
  fprintf(fp, "INTEGER, PARAMETER :: input_only        = %d\n", 12 + 1);
  fprintf(fp, "INTEGER, PARAMETER :: INPUT_ALARM       = input_only         ! not used\n");
  for (i = 1; i < 12; i++) {
    fprintf(fp, "INTEGER, PARAMETER :: auxhist%d_only     = %d\n", i, i + 1);
    fprintf(fp, "INTEGER, PARAMETER :: AUXHIST%d_ALARM    = %d\n", i, i + 1);
    fprintf(fp, "INTEGER, PARAMETER :: auxinput%d_only     = %d\n", i, 12 + i + 1);
    fprintf(fp, "INTEGER, PARAMETER :: AUXINPUT%d_ALARM    = %d\n", i, 12 + i + 1);
  }
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<gen_switches_and_alarms>:
  endbr64
  push   %r15
  mov    %rdi,%rcx
  mov    $0x2c,%edx
  mov    $0x1,%esi
  push   %r14
  lea    D38(%rip),%r15
  lea    D3(%rip),%r14
  push   %r13
  lea    D49(%rip),%r13
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  lea    D78(%rip),%rdi
  push   %rbx
  mov    $0x1,%ebx
  sub    $0x18,%rsp
  call   <fwrite@plt>
  mov    %rbp,%rcx
  mov    $0x37,%edx
  mov    $0x1,%esi
  lea    D63(%rip),%rdi
  call   <fwrite@plt>
  mov    $0xd,%edx
  mov    %rbp,%rdi
  xor    %eax,%eax
  lea    D32(%rip),%rsi
  call   <fprintf@plt>
  mov    %rbp,%rcx
  mov    $0x48,%edx
  mov    $0x1,%esi
  lea    D62(%rip),%rdi
  call   <fwrite@plt>
L0:
  mov    %ebx,%r12d
  add    $0x1,%ebx
  mov    %r15,%rsi
  mov    %rbp,%rdi
  mov    %ebx,%ecx
  mov    %r12d,%edx
  xor    %eax,%eax
  call   <fprintf@plt>
  mov    %ebx,%ecx
  mov    %r12d,%edx
  mov    %r14,%rsi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <fprintf@plt>
  lea    0xd(%r12),%ecx
  mov    %r12d,%edx
  mov    %r13,%rsi
  mov    %rbp,%rdi
  xor    %eax,%eax
  mov    %ecx,0xc(%rsp)
  call   <fprintf@plt>
  mov    0xc(%rsp),%ecx
  xor    %eax,%eax
  mov    %r12d,%edx
  lea    D40(%rip),%rsi
  mov    %rbp,%rdi
  call   <fprintf@plt>
  cmp    $0xc,%ebx
  jne    L0
  add    $0x18,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

tool_calls: name: read_data
arguments: tag: D38
datatype: string
name: read_data
arguments: tag: D3
datatype: string
name: read_data
arguments: tag: D49
datatype: string
name: read_data
arguments: tag: D78
datatype: string
name: read_data
arguments: tag: D63
datatype: string
name: read_data
arguments: tag: D32
datatype: string
name: read_data
arguments: tag: D62
datatype: string
name: read_data
arguments: tag: D40
datatype: string

tool: D38: INTEGER, PARAMETER :: auxhist%d_only     = %d


tool: D3: INTEGER, PARAMETER :: AUXHIST%d_ALARM    = %d


tool: D49: INTEGER, PARAMETER :: auxinput%d_only     = %d


tool: D78: INTEGER, PARAMETER :: history_only      = 1


tool: D63: INTEGER, PARAMETER :: HISTORY_ALARM     = history_only


tool: D32: INTEGER, PARAMETER :: input_only        = %d


tool: D62: INTEGER, PARAMETER :: INPUT_ALARM       = input_only         ! not used


tool: D40: INTEGER, PARAMETER :: AUXINPUT%d_ALARM    = %d


assistant: ```c
int gen_switches_and_alarms(FILE *fp) {
  char *aux, *streamtype, streamno[5];
  int i;
  fprintf(fp, "INTEGER, PARAMETER :: history_only      = 1\n");
  fprintf(fp, "INTEGER, PARAMETER :: HISTORY_ALARM     = history_only\n");
  fprintf(fp, "INTEGER, PARAMETER :: input_only        = %d\n", 12 + 1);
  fprintf(fp, "INTEGER, PARAMETER :: INPUT_ALARM       = input_only         ! not used\n");
  for (i = 1; i < 12; i++) {
    fprintf(fp, "INTEGER, PARAMETER :: auxhist%d_only     = %d\n", i, i + 1);
    fprintf(fp, "INTEGER, PARAMETER :: AUXHIST%d_ALARM    = %d\n", i, i + 1);
    fprintf(fp, "INTEGER, PARAMETER :: auxinput%d_only     = %d\n", i, 12 + i + 1);
    fprintf(fp, "INTEGER, PARAMETER :: AUXINPUT%d_ALARM    = %d\n", i, 12 + i + 1);
  }
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<mygetch>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    D26(%rip),%rax
  mov    (%rax),%eax
  lea    -0x14(%rbp),%rdx
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <tcgetattr@plt>
  mov    -0x14(%rbp),%eax
  mov    %eax,-0x10(%rbp)
  mov    -0x10(%rbp),%edx
  mov    D40(%rip),%rax
  mov    (%rax),%ecx
  mov    D3(%rip),%rax
  mov    (%rax),%eax
  or     %ecx,%eax
  not    %eax
  and    %edx,%eax
  mov    %eax,-0x10(%rbp)
  mov    D55(%rip),%rax
  mov    (%rax),%ecx
  mov    D26(%rip),%rax
  mov    (%rax),%eax
  lea    -0x10(%rbp),%rdx
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <tcsetattr@plt>
  mov    $0x0,%eax
  call   <getchar@plt>
  mov    %eax,-0xc(%rbp)
  mov    D55(%rip),%rax
  mov    (%rax),%ecx
  mov    D26(%rip),%rax
  mov    (%rax),%eax
  lea    -0x14(%rbp),%rdx
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <tcsetattr@plt>
  mov    -0xc(%rbp),%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L9
  call   <__stack_chk_fail@plt>
L9:
  leave
  ret
```

assistant: ```c
int mygetch() {
  struct termios oldt, newt;
  int ch;
  tcgetattr(STDIN_FILENO, &oldt);
  newt = oldt;
  newt.c_lflag &= ~(ICANON | ECHO);
  tcsetattr(STDIN_FILENO, TCSANOW, &newt);
  ch = getchar();
  tcsetattr(STDIN_FILENO, TCSANOW, &oldt);
  return ch;
}
```
user: Translate the below assembly code into C programming language:

```asm
<mygetch>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbp
  mov    D33(%rip),%rbx
  mov    %rbp,%rsi
  mov    (%rbx),%edi
  call   <tcgetattr@plt>
  mov    (%rsp),%eax
  mov    %eax,0x4(%rsp)
  mov    D31(%rip),%rax
  mov    (%rax),%eax
  mov    D2(%rip),%rdx
  or     (%rdx),%eax
  not    %eax
  and    %eax,0x4(%rsp)
  lea    0x4(%rsp),%rdx
  mov    D3(%rip),%r13
  mov    0x0(%r13),%esi
  mov    (%rbx),%edi
  call   <tcsetattr@plt>
  mov    $0x0,%eax
  call   <getchar@plt>
  mov    %eax,%r12d
  mov    %rbp,%rdx
  mov    0x0(%r13),%esi
  mov    (%rbx),%edi
  call   <tcsetattr@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L2
  mov    %r12d,%eax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L2:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int mygetch() {
  struct termios oldt, newt;
  int ch;
  tcgetattr(STDIN_FILENO, &oldt);
  newt = oldt;
  newt.c_lflag &= ~(ICANON | ECHO);
  tcsetattr(STDIN_FILENO, TCSANOW, &newt);
  ch = getchar();
  tcsetattr(STDIN_FILENO, TCSANOW, &oldt);
  return ch;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<mygetch>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    D18(%rip),%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r13
  mov    (%rbx),%edi
  mov    %r13,%rsi
  call   <tcgetattr@plt>
  mov    (%rsp),%eax
  mov    D19(%rip),%rbp
  mov    D11(%rip),%rdx
  mov    (%rbx),%edi
  mov    %eax,0x4(%rsp)
  mov    D22(%rip),%rax
  mov    0x0(%rbp),%esi
  mov    (%rax),%eax
  or     (%rdx),%eax
  lea    0x4(%rsp),%rdx
  not    %eax
  and    %eax,0x4(%rsp)
  call   <tcsetattr@plt>
  xor    %eax,%eax
  call   <getchar@plt>
  mov    0x0(%rbp),%esi
  mov    (%rbx),%edi
  mov    %r13,%rdx
  mov    %eax,%r12d
  call   <tcsetattr@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L3
  add    $0x18,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L3:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int mygetch() {
  struct termios oldt, newt;
  int ch;
  tcgetattr(STDIN_FILENO, &oldt);
  newt = oldt;
  newt.c_lflag &= ~(ICANON | ECHO);
  tcsetattr(STDIN_FILENO, TCSANOW, &newt);
  ch = getchar();
  tcsetattr(STDIN_FILENO, TCSANOW, &oldt);
  return ch;
}
```
user: Translate the below assembly code into C programming language:

```asm
<mygetch>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    D13(%rip),%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r13
  mov    (%rbx),%edi
  mov    %r13,%rsi
  call   <tcgetattr@plt>
  mov    (%rsp),%eax
  mov    D28(%rip),%rbp
  mov    D31(%rip),%rdx
  mov    (%rbx),%edi
  mov    %eax,0x4(%rsp)
  mov    D36(%rip),%rax
  mov    0x0(%rbp),%esi
  mov    (%rax),%eax
  or     (%rdx),%eax
  lea    0x4(%rsp),%rdx
  not    %eax
  and    %eax,0x4(%rsp)
  call   <tcsetattr@plt>
  xor    %eax,%eax
  call   <getchar@plt>
  mov    0x0(%rbp),%esi
  mov    (%rbx),%edi
  mov    %r13,%rdx
  mov    %eax,%r12d
  call   <tcsetattr@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L7
  add    $0x18,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L7:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int mygetch() {
  struct termios oldt, newt;
  int ch;
  tcgetattr(STDIN_FILENO, &oldt);
  newt = oldt;
  newt.c_lflag &= ~(ICANON | ECHO);
  tcsetattr(STDIN_FILENO, TCSANOW, &newt);
  ch = getchar();
  tcsetattr(STDIN_FILENO, TCSANOW, &oldt);
  return ch;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<rstralnum>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %esi,-0xc(%rbp)
  jmp    L22
L39:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isalnum@plt>
  test   %rax,%rax
  je     L34
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  jmp    L20
L34:
  subl   $0x1,-0xc(%rbp)
L22:
  cmpl   $0x0,-0xc(%rbp)
  jne    L39
  mov    $0x0,%eax
L20:
  leave
  ret
```

assistant: ```c
const char *rstralnum(const char *str, int max) {
  while (max) {
    if (isalnum(str[max])) {
      return &str[max];
    }
    max--;
  }
  return NULL;
}
```
user: What is the c source code of the assembly code below:

```asm
<rstralnum>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  test   %esi,%esi
  je     L2
  movslq %esi,%rax
  lea    (%rdi,%rax,1),%rbx
  lea    -0x1(%rdi,%rax,1),%rbp
  lea    -0x1(%rsi),%eax
  sub    %rax,%rbp
L30:
  mov    %rbx,%r12
  movsbl (%rbx),%edi
  call   <isalnum@plt>
  test   %rax,%rax
  jne    L20
  sub    $0x1,%rbx
  cmp    %rbp,%rbx
  jne    L30
  mov    $0x0,%r12d
L20:
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L2:
  mov    $0x0,%r12d
  jmp    L20
```

assistant: ```c
const char *rstralnum(const char *str, int max) {
  while (max) {
    if (isalnum(str[max])) {
      return &str[max];
    }
    max--;
  }
  return NULL;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<rstralnum>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  test   %esi,%esi
  je     L34
  movslq %esi,%rax
  lea    -0x1(%rdi,%rax,1),%rbp
  lea    (%rdi,%rax,1),%rbx
  lea    -0x1(%rsi),%eax
  sub    %rax,%rbp
  jmp    L28
L30:
  sub    $0x1,%rbx
  cmp    %rbp,%rbx
  je     L34
L28:
  movsbl (%rbx),%edi
  mov    %rbx,%r12
  call   <isalnum@plt>
  test   %rax,%rax
  je     L30
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L34:
  xor    %r12d,%r12d
  pop    %rbx
  pop    %rbp
  mov    %r12,%rax
  pop    %r12
  ret
```

assistant: ```c
const char *rstralnum(const char *str, int max) {
  while (max) {
    if (isalnum(str[max])) {
      return &str[max];
    }
    max--;
  }
  return NULL;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<rstralnum>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  test   %esi,%esi
  je     L5
  movslq %esi,%rax
  lea    -0x1(%rdi,%rax,1),%rbp
  lea    (%rdi,%rax,1),%rbx
  lea    -0x1(%rsi),%eax
  sub    %rax,%rbp
  jmp    L8
L4:
  sub    $0x1,%rbx
  cmp    %rbp,%rbx
  je     L5
L8:
  movsbl (%rbx),%edi
  mov    %rbx,%r12
  call   <isalnum@plt>
  test   %rax,%rax
  je     L4
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L5:
  xor    %r12d,%r12d
  pop    %rbx
  pop    %rbp
  mov    %r12,%rax
  pop    %r12
  ret
```

assistant: ```c
const char *rstralnum(const char *str, int max) {
  while (max) {
    if (isalnum(str[max])) {
      return &str[max];
    }
    max--;
  }
  return NULL;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<equation_of_time>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x10(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x8(%rbp)
  mov    -0x14(%rbp),%eax
  mov    %eax,%edi
  call   <dayangle@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x10(%rbp)
  movsd  -0x10(%rbp),%xmm0
  cvttsd2si %xmm0,%eax
  mov    %eax,%edi
  call   <cos@plt>
  movsd  D5(%rip),%xmm1
  mulsd  %xmm0,%xmm1
  movsd  D52(%rip),%xmm0
  addsd  %xmm0,%xmm1
  movsd  %xmm1,-0x20(%rbp)
  movsd  -0x10(%rbp),%xmm0
  cvttsd2si %xmm0,%eax
  mov    %eax,%edi
  call   <sin@plt>
  movsd  D31(%rip),%xmm1
  mulsd  %xmm1,%xmm0
  movsd  -0x20(%rbp),%xmm1
  subsd  %xmm0,%xmm1
  movsd  %xmm1,-0x20(%rbp)
  movsd  -0x10(%rbp),%xmm0
  addsd  %xmm0,%xmm0
  cvttsd2si %xmm0,%eax
  mov    %eax,%edi
  call   <cos@plt>
  movsd  D45(%rip),%xmm1
  mulsd  %xmm1,%xmm0
  movsd  -0x20(%rbp),%xmm1
  subsd  %xmm0,%xmm1
  movsd  %xmm1,-0x20(%rbp)
  movsd  -0x10(%rbp),%xmm0
  addsd  %xmm0,%xmm0
  cvttsd2si %xmm0,%eax
  mov    %eax,%edi
  call   <sin@plt>
  movsd  D2(%rip),%xmm1
  mulsd  %xmm1,%xmm0
  movsd  -0x20(%rbp),%xmm1
  subsd  %xmm0,%xmm1
  movsd  D66(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  movsd  %xmm0,-0x8(%rbp)
  movsd  -0x8(%rbp),%xmm1
  movsd  D23(%rip),%xmm0
  addsd  %xmm1,%xmm0
  cvttsd2si %xmm0,%eax
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D5
type: f64
name: extract_symbolic_data
arguments: data_tag: D52
type: f64
name: extract_symbolic_data
arguments: data_tag: D31
type: f64
name: extract_symbolic_data
arguments: data_tag: D45
type: f64
name: extract_symbolic_data
arguments: data_tag: D2
type: f64
name: extract_symbolic_data
arguments: data_tag: D66
type: f64
name: extract_symbolic_data
arguments: data_tag: D23
type: f64

tool: D5: 0.001868

tool: D52: 7.5e-05

tool: D31: 0.032077

tool: D45: 0.014615

tool: D2: 0.04089

tool: D66: 13750.8

tool: D23: 0.5

assistant: ```c
int equation_of_time(int day) {
  double angle = 0, et = 0;
  angle = dayangle(day);
  et = (0.000075 + 0.001868 * cos(angle) - 0.032077 * sin(angle) - 0.014615 * cos(2 * angle) - 0.04089 * sin(2 * angle)) * 13750.8;
  return (int)(et + 0.5);
}
```