ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %r13
  lea    D23(%rip),%rsi
  push   %r12
  lea    D7(%rip),%r12
  push   %rbp
  mov    %r12,%rdi
  push   %rbx
  sub    $0x78,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x68(%rsp)
  xor    %eax,%eax
  movl   $0x0,0x20(%rsp)
  movq   $0x34333231,0x10(%rsp)
  movq   $0x0,0x18(%rsp)
  call   <fopen@plt>
  mov    %r12,%rdi
  lea    D22(%rip),%rsi
  mov    %rax,%rbp
  call   <fopen@plt>
  mov    %rax,%r12
  test   %rbp,%rbp
  je     L41
L18:
  lea    0x30(%rsp),%rbx
  lea    0x10(%rsp),%r13
  jmp    L46
  nopl   0x0(%rax)
L21:
  mov    %r13,%rdi
  call   <atoi@plt>
  lea    0xc(%rsp),%rdi
  mov    %r12,%rcx
  mov    $0x1,%edx
  mov    $0x4,%esi
  mov    %eax,0xc(%rsp)
  call   <fwrite@plt>
L46:
  mov    %rbp,%rdx
  mov    $0x32,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  jne    L21
  call   <getchar@plt>
  mov    %r12,%rdi
  call   <fclose@plt>
  mov    %rbp,%rdi
  call   <fclose@plt>
  mov    0x68(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L12
  add    $0x78,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L41:
  lea    D32(%rip),%rdi
  call   <printf@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L18
L12:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_tag: D23
type: string
name: parse_data
arguments: data_tag: D7
type: string
name: parse_data
arguments: data_tag: D22
type: string
name: parse_data
arguments: data_tag: D32
type: string

tool: D23: r

tool: D7: numbers.txt

tool: D22: wb

tool: D32: Cannot open file.


assistant: ```c
int main() {
  FILE *bin;
  FILE *numfile;
  char s[20] = "1234";
  int ch;
  int i;
  char line[50];
  numfile = fopen("numbers.txt", "r");
  bin = fopen("numbers.txt", "wb");
  if (numfile == NULL) {
    printf("Cannot open file.\n");
    exit(1);
  }
  while (fgets(line, 50, numfile) != NULL) {
    i = atoi(s);
    fwrite(&i, sizeof(int), 1, bin);
  }
  getchar();
  fclose(bin);
  fclose(numfile);
  return 0;
}
```
user: What is the c source code of the assembly code below?

```asm
<main>:
  endbr64
  push   %r13
  lea    D11(%rip),%rsi
  push   %r12
  lea    D28(%rip),%r12
  push   %rbp
  mov    %r12,%rdi
  push   %rbx
  sub    $0x78,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x68(%rsp)
  xor    %eax,%eax
  movl   $0x0,0x20(%rsp)
  movq   $0x34333231,0x10(%rsp)
  movq   $0x0,0x18(%rsp)
  call   <fopen@plt>
  mov    %r12,%rdi
  lea    D6(%rip),%rsi
  mov    %rax,%rbp
  call   <fopen@plt>
  mov    %rax,%r12
  test   %rbp,%rbp
  je     L25
L35:
  lea    0x30(%rsp),%rbx
  lea    0x10(%rsp),%r13
  jmp    L3
  nopl   0x0(%rax)
L43:
  mov    %r13,%rdi
  call   <atoi@plt>
  lea    0xc(%rsp),%rdi
  mov    %r12,%rcx
  mov    $0x1,%edx
  mov    $0x4,%esi
  mov    %eax,0xc(%rsp)
  call   <fwrite@plt>
L3:
  mov    %rbp,%rdx
  mov    $0x32,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  jne    L43
  call   <getchar@plt>
  mov    %r12,%rdi
  call   <fclose@plt>
  mov    %rbp,%rdi
  call   <fclose@plt>
  mov    0x68(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  add    $0x78,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L25:
  lea    D4(%rip),%rdi
  call   <printf@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L35
L8:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_tag: D11
type_infered: string
name: read_data
arguments: data_tag: D28
type_infered: string
name: read_data
arguments: data_tag: D6
type_infered: string
name: read_data
arguments: data_tag: D4
type_infered: string

tool: D11: r

tool: D28: numbers.txt

tool: D6: wb

tool: D4: Cannot open file.


assistant: ```c
int main() {
  FILE *bin;
  FILE *numfile;
  char s[20] = "1234";
  int ch;
  int i;
  char line[50];
  numfile = fopen("numbers.txt", "r");
  bin = fopen("numbers.txt", "wb");
  if (numfile == NULL) {
    printf("Cannot open file.\n");
    exit(1);
  }
  while (fgets(line, 50, numfile) != NULL) {
    i = atoi(s);
    fwrite(&i, sizeof(int), 1, bin);
  }
  getchar();
  fclose(bin);
  fclose(numfile);
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<FromHexToDecimal>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,%eax
  mov    %al,-0x4(%rbp)
  cmpb   $0x2f,-0x4(%rbp)
  jle    L57
  cmpb   $0x39,-0x4(%rbp)
  jg     L57
  movsbl -0x4(%rbp),%eax
  sub    $0x30,%eax
  jmp    L20
L57:
  cmpb   $0x40,-0x4(%rbp)
  jle    L29
  cmpb   $0x5a,-0x4(%rbp)
  jg     L29
  movsbl -0x4(%rbp),%eax
  sub    $0x37,%eax
  jmp    L20
L29:
  movsbl -0x4(%rbp),%eax
  sub    $0x57,%eax
L20:
  pop    %rbp
  ret
```

assistant: ```c
int FromHexToDecimal(char hex) {
  if ('0' <= hex && hex <= '9') {
    return hex - '0';
  }
  if (hex >= 'A' && hex <= 'Z') {
    return hex - 'A' + 10;
  }
  return hex - 'a' + 10;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<FromHexToDecimal>:
  endbr64
  lea    -0x30(%rdi),%eax
  cmp    $0x9,%al
  jbe    L7
  lea    -0x41(%rdi),%edx
  movsbl %dil,%eax
  mov    %eax,%edi
  sub    $0x37,%edi
  sub    $0x57,%eax
  cmp    $0x19,%dl
  cmovbe %edi,%eax
  ret
L7:
  movsbl %dil,%edi
  lea    -0x30(%rdi),%eax
  ret
```

assistant: ```c
int FromHexToDecimal(char hex) {
  if ('0' <= hex && hex <= '9') {
    return hex - '0';
  }
  if (hex >= 'A' && hex <= 'Z') {
    return hex - 'A' + 10;
  }
  return hex - 'a' + 10;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<FromHexToDecimal>:
  endbr64
  lea    -0x30(%rdi),%eax
  cmp    $0x9,%al
  jbe    L5
  lea    -0x41(%rdi),%edx
  movsbl %dil,%eax
  sub    $0x37,%edi
  movsbl %dil,%edi
  sub    $0x57,%eax
  cmp    $0x19,%dl
  cmovbe %edi,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L5:
  movsbl %al,%eax
  ret
```

assistant: ```c
int FromHexToDecimal(char hex) {
  if ('0' <= hex && hex <= '9') {
    return hex - '0';
  }
  if (hex >= 'A' && hex <= 'Z') {
    return hex - 'A' + 10;
  }
  return hex - 'a' + 10;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<FromHexToDecimal>:
  endbr64
  lea    -0x30(%rdi),%eax
  cmp    $0x9,%al
  jbe    L1
  lea    -0x41(%rdi),%edx
  movsbl %dil,%eax
  sub    $0x37,%edi
  movsbl %dil,%edi
  sub    $0x57,%eax
  cmp    $0x19,%dl
  cmovbe %edi,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L1:
  movsbl %al,%eax
  ret
```

assistant: ```c
int FromHexToDecimal(char hex) {
  if ('0' <= hex && hex <= '9') {
    return hex - '0';
  }
  if (hex >= 'A' && hex <= 'Z') {
    return hex - 'A' + 10;
  }
  return hex - 'a' + 10;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<thirt>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
L1:
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <sum@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <sum@plt>
  cmp    %rax,-0x8(%rbp)
  jne    L1
  mov    -0x8(%rbp),%rax
  leave
  ret
```

assistant: ```c
long long thirt(long long n) {
  do {
    n = sum(n);
  } while (sum(n) != n);
  return n;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<thirt>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
L4:
  mov    %rbx,%rdi
  call   <sum@plt>
  mov    %rax,%rbx
  mov    %rax,%rdi
  call   <sum@plt>
  cmp    %rbx,%rax
  jne    L4
  mov    %rbx,%rax
  pop    %rbx
  ret
```

assistant: ```c
long long thirt(long long n) {
  do {
    n = sum(n);
  } while (sum(n) != n);
  return n;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<thirt>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  nopl   0x0(%rax,%rax,1)
L2:
  mov    %rbp,%rdi
  call   <sum@plt>
  mov    %rax,%rdi
  mov    %rax,%rbp
  call   <sum@plt>
  cmp    %rbp,%rax
  jne    L2
  mov    %rbp,%rax
  pop    %rbp
  ret
```

assistant: ```c
long long thirt(long long n) {
  do {
    n = sum(n);
  } while (sum(n) != n);
  return n;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<thirt>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  nopl   0x0(%rax,%rax,1)
L6:
  mov    %rbp,%rdi
  call   <sum@plt>
  mov    %rax,%rdi
  mov    %rax,%rbp
  call   <sum@plt>
  cmp    %rbp,%rax
  jne    L6
  mov    %rbp,%rax
  pop    %rbp
  ret
```

assistant: ```c
long long thirt(long long n) {
  do {
    n = sum(n);
  } while (sum(n) != n);
  return n;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<sxi_gethostai>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  cmpq   $0x0,-0x38(%rbp)
  jne    L44
  mov    $0x0,%eax
  jmp    L10
L44:
  lea    -0x20(%rbp),%rax
  mov    $0x10,%edx
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <memset@plt>
  mov    D8(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,-0x14(%rbp)
  mov    D16(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,-0x18(%rbp)
  mov    D39(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,-0x1c(%rbp)
  mov    D0(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,-0x20(%rbp)
  lea    -0x28(%rbp),%rcx
  lea    -0x20(%rbp),%rdx
  mov    -0x38(%rbp),%rax
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <getaddrinfo@plt>
  test   %rax,%rax
  je     L20
  mov    $0x0,%eax
  jmp    L10
L20:
  mov    -0x28(%rbp),%rax
L10:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L38
  call   <__stack_chk_fail@plt>
L38:
  leave
  ret
```

assistant: ```c
struct addrinfo *sxi_gethostai(const char *host) {
  struct addrinfo hint, *res;
  if (!host)
    return NULL;
  memset(&hint, 0, sizeof(hint));
  hint.ai_flags = AI_NUMERICHOST;
  hint.ai_family = AF_UNSPEC;
  hint.ai_socktype = SOCK_STREAM;
  hint.ai_protocol = IPPROTO_TCP;
  if (getaddrinfo(host, NULL, &hint, &res))
    return NULL;
  return res;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<sxi_gethostai>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %rdi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  test   %rdi,%rdi
  je     L2
  lea    0x10(%rsp),%rbp
  mov    $0x10,%edx
  mov    $0x0,%esi
  mov    %rbp,%rdi
  call   <memset@plt>
  mov    D35(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,0x1c(%rsp)
  mov    D2(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,0x18(%rsp)
  mov    D39(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,0x14(%rsp)
  mov    D31(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,0x10(%rsp)
  lea    0x8(%rsp),%rcx
  mov    %rbp,%rdx
  mov    $0x0,%esi
  mov    %rbx,%rdi
  call   <getaddrinfo@plt>
  test   %rax,%rax
  mov    $0x0,%eax
  cmove  0x8(%rsp),%rax
L22:
  mov    0x28(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L10
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  ret
L2:
  mov    %rdi,%rax
  jmp    L22
L10:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
struct addrinfo *sxi_gethostai(const char *host) {
  struct addrinfo hint, *res;
  if (!host)
    return NULL;
  memset(&hint, 0, sizeof(hint));
  hint.ai_flags = AI_NUMERICHOST;
  hint.ai_family = AF_UNSPEC;
  hint.ai_socktype = SOCK_STREAM;
  hint.ai_protocol = IPPROTO_TCP;
  if (getaddrinfo(host, NULL, &hint, &res))
    return NULL;
  return res;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<sxi_gethostai>:
  endbr64
  push   %r12
  push   %rbp
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  test   %rdi,%rdi
  je     L35
  lea    0x10(%rsp),%r12
  xor    %esi,%esi
  mov    %rdi,%rbp
  mov    $0x10,%edx
  mov    %r12,%rdi
  call   <memset@plt>
  xor    %esi,%esi
  lea    0x8(%rsp),%rcx
  mov    %r12,%rdx
  mov    D6(%rip),%rax
  mov    %rbp,%rdi
  mov    (%rax),%eax
  mov    %eax,0x1c(%rsp)
  mov    D31(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,0x18(%rsp)
  mov    D28(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,0x14(%rsp)
  mov    D30(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,0x10(%rsp)
  call   <getaddrinfo@plt>
  test   %rax,%rax
  jne    L35
  mov    0x8(%rsp),%rax
L26:
  mov    0x28(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L1
  add    $0x38,%rsp
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax,%rax,1)
L35:
  xor    %eax,%eax
  jmp    L26
L1:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
struct addrinfo *sxi_gethostai(const char *host) {
  struct addrinfo hint, *res;
  if (!host)
    return NULL;
  memset(&hint, 0, sizeof(hint));
  hint.ai_flags = AI_NUMERICHOST;
  hint.ai_family = AF_UNSPEC;
  hint.ai_socktype = SOCK_STREAM;
  hint.ai_protocol = IPPROTO_TCP;
  if (getaddrinfo(host, NULL, &hint, &res))
    return NULL;
  return res;
}
```
user: Translate the below assembly code into C programming language:

```asm
<sxi_gethostai>:
  endbr64
  push   %r12
  push   %rbp
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  test   %rdi,%rdi
  je     L21
  lea    0x10(%rsp),%r12
  xor    %esi,%esi
  mov    %rdi,%rbp
  mov    $0x10,%edx
  mov    %r12,%rdi
  call   <memset@plt>
  xor    %esi,%esi
  lea    0x8(%rsp),%rcx
  mov    %rbp,%rdi
  mov    D6(%rip),%rax
  mov    D31(%rip),%rdx
  mov    (%rax),%eax
  movd   (%rdx),%xmm1
  mov    D38(%rip),%rdx
  movd   %eax,%xmm2
  mov    D15(%rip),%rax
  movd   (%rdx),%xmm0
  punpckldq %xmm2,%xmm1
  mov    %r12,%rdx
  mov    (%rax),%eax
  movd   %eax,%xmm3
  punpckldq %xmm3,%xmm0
  punpcklqdq %xmm1,%xmm0
  movaps %xmm0,0x10(%rsp)
  call   <getaddrinfo@plt>
  test   %rax,%rax
  jne    L21
  mov    0x8(%rsp),%rax
L36:
  mov    0x28(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L30
  add    $0x38,%rsp
  pop    %rbp
  pop    %r12
  ret
L21:
  xor    %eax,%eax
  jmp    L36
L30:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
struct addrinfo *sxi_gethostai(const char *host) {
  struct addrinfo hint, *res;
  if (!host)
    return NULL;
  memset(&hint, 0, sizeof(hint));
  hint.ai_flags = AI_NUMERICHOST;
  hint.ai_family = AF_UNSPEC;
  hint.ai_socktype = SOCK_STREAM;
  hint.ai_protocol = IPPROTO_TCP;
  if (getaddrinfo(host, NULL, &hint, &res))
    return NULL;
  return res;
}
```
user: Translate the below assembly code into C programming language:

```asm
<findvar>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    $0x0,%ebx
  jmp    L33
L38:
  lea    0x0(,%rbx,8),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rax,%rdx
  mov    -0x18(%rbp),%rax
  mov    %rax,%rsi
  mov    %rdx,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  jne    L24
  mov    %ebx,%eax
  jmp    L10
L24:
  add    $0x1,%ebx
L33:
  cmp    $0x3f,%ebx
  jle    L38
  mov    $0xffffffff,%eax
L10:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
findvar(s, pool) char s[];
char *pool;
{
  register int i;
  for (i = 0; i < 64; i++) {
    if (strcmp(pool + (i * 8), s) == 0)
      return (i);
  }
  return (-1);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<findvar>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r12
  mov    %rsi,%rbx
  mov    $0x0,%ebp
L10:
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  je     L14
  add    $0x1,%ebp
  add    $0x8,%rbx
  cmp    $0x40,%ebp
  jne    L10
  mov    $0xffffffff,%ebp
L14:
  mov    %ebp,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
findvar(s, pool) char s[];
char *pool;
{
  register int i;
  for (i = 0; i < 64; i++) {
    if (strcmp(pool + (i * 8), s) == 0)
      return (i);
  }
  return (-1);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<findvar>:
  endbr64
  push   %r12
  xor    %r12d,%r12d
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  jmp    L13
  nopl   0x0(%rax,%rax,1)
L20:
  add    $0x1,%r12d
  add    $0x8,%rbx
  cmp    $0x40,%r12d
  je     L9
L13:
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  jne    L20
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   (%rax)
L9:
  mov    $0xffffffff,%r12d
  pop    %rbx
  pop    %rbp
  mov    %r12d,%eax
  pop    %r12
  ret
```

assistant: ```c
findvar(s, pool) char s[];
char *pool;
{
  register int i;
  for (i = 0; i < 64; i++) {
    if (strcmp(pool + (i * 8), s) == 0)
      return (i);
  }
  return (-1);
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<findvar>:
  endbr64
  push   %r12
  xor    %r12d,%r12d
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  jmp    L15
  nopl   0x0(%rax,%rax,1)
L17:
  add    $0x1,%r12d
  add    $0x8,%rbx
  cmp    $0x40,%r12d
  je     L2
L15:
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  jne    L17
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   (%rax)
L2:
  mov    $0xffffffff,%r12d
  pop    %rbx
  pop    %rbp
  mov    %r12d,%eax
  pop    %r12
  ret
```

assistant: ```c
findvar(s, pool) char s[];
char *pool;
{
  register int i;
  for (i = 0; i < 64; i++) {
    if (strcmp(pool + (i * 8), s) == 0)
      return (i);
  }
  return (-1);
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<is_fifo_dma_class>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x4(%rbp)
  cmpl   $0x406e,-0x4(%rbp)
  je     L5
  cmpl   $0x446e,-0x4(%rbp)
  jne    L25
L5:
  mov    $0x1,%eax
  jmp    L12
L25:
  mov    $0x0,%eax
L12:
  pop    %rbp
  ret
```

assistant: ```c
int is_fifo_dma_class(uint32_t cls) {
  switch (cls) {
  case 0x0000406e:
  case 0x0000446e:
    return 1;
  default:
    return 0;
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<is_fifo_dma_class>:
  endbr64
  and    $0xfffffbff,%edi
  cmp    $0x406e,%edi
  sete   %al
  movzbl %al,%eax
  ret
```

assistant: ```c
int is_fifo_dma_class(uint32_t cls) {
  switch (cls) {
  case 0x0000406e:
  case 0x0000446e:
    return 1;
  default:
    return 0;
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<is_fifo_dma_class>:
  endbr64
  and    $0xfffffbff,%edi
  xor    %eax,%eax
  cmp    $0x406e,%edi
  sete   %al
  ret
```

assistant: ```c
int is_fifo_dma_class(uint32_t cls) {
  switch (cls) {
  case 0x0000406e:
  case 0x0000446e:
    return 1;
  default:
    return 0;
  }
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<is_fifo_dma_class>:
  endbr64
  and    $0xfffffbff,%edi
  xor    %eax,%eax
  cmp    $0x406e,%edi
  sete   %al
  ret
```

assistant: ```c
int is_fifo_dma_class(uint32_t cls) {
  switch (cls) {
  case 0x0000406e:
  case 0x0000446e:
    return 1;
  default:
    return 0;
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<bmhcore>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x40,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %rdx,-0x48(%rbp)
  mov    %rcx,-0x50(%rbp)
  mov    %r8,-0x58(%rbp)
  mov    -0x50(%rbp),%rax
  lea    -0x1(%rax),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%r13d
  movq   $0x0,-0x28(%rbp)
  mov    -0x48(%rbp),%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,-0x30(%rbp)
  mov    -0x48(%rbp),%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x38(%rbp),%rdx
  mov    -0x40(%rbp),%rax
  lea    (%rdx,%rax,1),%r14
  mov    -0x50(%rbp),%rax
  lea    -0x1(%rax),%rdx
  mov    -0x38(%rbp),%rax
  lea    (%rdx,%rax,1),%rbx
  jmp    L13
L37:
  movzbl (%rbx),%r12d
  cmp    %r13b,%r12b
  jne    L24
  lea    0x1(%rbx),%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,-0x2c(%rbp)
  lea    0x1(%rbx),%rax
  movb   $0x0,(%rax)
  mov    $0x1,%eax
  sub    -0x50(%rbp),%rax
  lea    (%rbx,%rax,1),%rdx
  mov    -0x48(%rbp),%rax
  mov    %rax,%rsi
  mov    %rdx,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  jne    L4
  mov    $0x1,%eax
  sub    -0x50(%rbp),%rax
  add    %rbx,%rax
  mov    %rax,-0x28(%rbp)
L4:
  lea    0x1(%rbx),%rax
  mov    -0x2c(%rbp),%edx
  mov    %dl,(%rax)
  cmpq   $0x0,-0x28(%rbp)
  jne    L10
  jmp    L48
L24:
  nop
L48:
  movzbl %r12b,%eax
  lea    0x0(,%rax,8),%rdx
  mov    -0x58(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  add    %rax,%rbx
L13:
  cmp    %r14,%rbx
  jb     L37
  jmp    L20
L10:
  nop
L20:
  mov    -0x48(%rbp),%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  mov    -0x30(%rbp),%edx
  mov    %dl,(%rax)
  mov    -0x28(%rbp),%rax
  add    $0x40,%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %rbp
  ret
```

assistant: ```c
char *bmhcore(unsigned char *text, size_t txtlen, unsigned char *pattern, size_t patlen, size_t *bmhtable) {
  register unsigned char lastchar = pattern[patlen - 1];
  register unsigned char textchar;
  register unsigned char *cp;
  register unsigned char *last;
  int savechar;
  int savechar2;
  unsigned char *result = NULL;
  savechar = pattern[patlen];
  pattern[patlen] = '\0';
  last = text + txtlen;
  for (cp = text + patlen - 1; cp < last; cp += bmhtable[textchar]) {
    if ((textchar = *cp) != lastchar)
      continue;
    savechar2 = cp[1];
    cp[1] = '\0';
    if (!strcmp((char *)(cp + 1 - patlen), (char *)pattern))
      result = cp + 1 - patlen;
    cp[1] = savechar2;
    if (result)
      break;
  }
  pattern[patlen] = savechar;
  return (char *)result;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<bmhcore>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,%rax
  mov    %rdx,(%rsp)
  movzbl -0x1(%rdx,%rcx,1),%edi
  mov    %dil,0x1e(%rsp)
  lea    (%rdx,%rcx,1),%rdi
  mov    %rdi,0x10(%rsp)
  movzbl (%rdi),%edx
  mov    %dl,0x1f(%rsp)
  movb   $0x0,(%rdi)
  lea    (%rax,%rsi,1),%r12
  lea    -0x1(%rax,%rcx,1),%rbx
  cmp    %rbx,%r12
  jbe    L22
  mov    %r8,%r13
  mov    $0x1,%eax
  sub    %rcx,%rax
  mov    %rax,0x8(%rsp)
  jmp    L68
L44:
  mov    %r15b,0x1(%rbx)
L14:
  movzbl %bpl,%ebp
  mov    %rbx,%rax
  add    0x0(%r13,%rbp,8),%rax
  mov    %rax,%rbx
  cmp    %rax,%r12
  jbe    L47
L68:
  movzbl (%rbx),%ebp
  cmp    %bpl,0x1e(%rsp)
  jne    L14
  movzbl 0x1(%rbx),%r15d
  movb   $0x0,0x1(%rbx)
  mov    0x8(%rsp),%rax
  lea    (%rbx,%rax,1),%r14
  mov    (%rsp),%rsi
  mov    %r14,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  jne    L44
  mov    %r15b,0x1(%rbx)
  jmp    L65
L47:
  mov    $0x0,%r14d
L65:
  mov    0x10(%rsp),%rax
  movzbl 0x1f(%rsp),%ecx
  mov    %cl,(%rax)
  mov    %r14,%rax
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L22:
  mov    $0x0,%r14d
  jmp    L65
```

assistant: ```c
char *bmhcore(unsigned char *text, size_t txtlen, unsigned char *pattern, size_t patlen, size_t *bmhtable) {
  register unsigned char lastchar = pattern[patlen - 1];
  register unsigned char textchar;
  register unsigned char *cp;
  register unsigned char *last;
  int savechar;
  int savechar2;
  unsigned char *result = NULL;
  savechar = pattern[patlen];
  pattern[patlen] = '\0';
  last = text + txtlen;
  for (cp = text + patlen - 1; cp < last; cp += bmhtable[textchar]) {
    if ((textchar = *cp) != lastchar)
      continue;
    savechar2 = cp[1];
    cp[1] = '\0';
    if (!strcmp((char *)(cp + 1 - patlen), (char *)pattern))
      result = cp + 1 - patlen;
    cp[1] = savechar2;
    if (result)
      break;
  }
  pattern[patlen] = savechar;
  return (char *)result;
}
```