ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<free_ram>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rax
  mov    D12(%rip),%rdx
  mov    (%rdx),%rdx
  test   %rdx,%rdx
  je     L1
L19:
  sub    %edx,%eax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L23
  add    $0x18,%rsp
  ret
L1:
  mov    D9(%rip),%edx
  jmp    L19
L23:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int free_ram() {
  extern int __heap_start, *__brkval;
  int v;
  return (int)&v - (__brkval == 0 ? (int)&__heap_start : (int)__brkval);
}
```
user: What is the c source code of the assembly code below:

```asm
<free_ram>:
  endbr64
  sub    $0x18,%rsp
  mov    D8(%rip),%rdx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rax
  mov    (%rdx),%rdx
  test   %rdx,%rdx
  je     L9
L4:
  sub    %edx,%eax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L20
  add    $0x18,%rsp
  ret
  nopl   0x0(%rax,%rax,1)
L9:
  mov    D7(%rip),%edx
  jmp    L4
L20:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int free_ram() {
  extern int __heap_start, *__brkval;
  int v;
  return (int)&v - (__brkval == 0 ? (int)&__heap_start : (int)__brkval);
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<free_ram>:
  endbr64
  sub    $0x18,%rsp
  mov    D2(%rip),%rdx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rax
  mov    (%rdx),%rdx
  test   %rdx,%rdx
  je     L3
L1:
  sub    %edx,%eax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L2
  add    $0x18,%rsp
  ret
  nopl   0x0(%rax,%rax,1)
L3:
  mov    D0(%rip),%edx
  jmp    L1
L2:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int free_ram() {
  extern int __heap_start, *__brkval;
  int v;
  return (int)&v - (__brkval == 0 ? (int)&__heap_start : (int)__brkval);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<normalize>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x840,%rsp
  mov    %rdi,-0x828(%rbp)
  mov    %rsi,-0x830(%rbp)
  mov    %edx,-0x834(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    D29(%rip),%rax
  mov    (%rax),%rax
  mov    %rax,-0x818(%rbp)
  lea    -0x818(%rbp),%rsi
  mov    -0x828(%rbp),%rcx
  lea    -0x820(%rbp),%rdx
  lea    -0x810(%rbp),%rax
  mov    %rsi,%r9
  mov    $0xffffffff,%r8d
  mov    $0x100,%esi
  mov    %rax,%rdi
  call   <u_strFromUTF8@plt>
  mov    -0x818(%rbp),%rdx
  mov    D29(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,%rdx
  je     L67
  mov    $0xffffffff,%eax
  jmp    L31
L67:
  mov    D29(%rip),%rax
  mov    (%rax),%rax
  mov    %rax,-0x818(%rbp)
  mov    -0x820(%rbp),%esi
  lea    -0x410(%rbp),%rdi
  mov    -0x834(%rbp),%edx
  lea    -0x810(%rbp),%rax
  sub    $0x8,%rsp
  lea    -0x818(%rbp),%rcx
  push   %rcx
  mov    $0x100,%r9d
  mov    %rdi,%r8
  mov    $0x0,%ecx
  mov    %rax,%rdi
  call   <unorm_normalize@plt>
  add    $0x10,%rsp
  mov    %eax,-0x81c(%rbp)
  mov    -0x818(%rbp),%rdx
  mov    D29(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,%rdx
  je     L68
  mov    $0xffffffff,%eax
  jmp    L31
L68:
  mov    D29(%rip),%rax
  mov    (%rax),%rax
  mov    %rax,-0x818(%rbp)
  lea    -0x818(%rbp),%rsi
  mov    -0x81c(%rbp),%ecx
  lea    -0x410(%rbp),%rdx
  mov    -0x830(%rbp),%rax
  mov    %rsi,%r9
  mov    %ecx,%r8d
  mov    %rdx,%rcx
  mov    $0x0,%edx
  mov    $0x100,%esi
  mov    %rax,%rdi
  call   <u_strToUTF8@plt>
  mov    -0x818(%rbp),%rdx
  mov    D29(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,%rdx
  je     L7
  mov    $0xffffffff,%eax
  jmp    L31
L7:
  mov    $0x0,%eax
L31:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L25
  call   <__stack_chk_fail@plt>
L25:
  leave
  ret
```

assistant: ```c
int normalize(const char *str, char *res, UNormalizationMode mode) {
  UErrorCode rc;
  int32_t ulen, nlen;
  UChar ubuf[0x100], nbuf[0x100];
  rc = U_ZERO_ERROR;
  u_strFromUTF8(ubuf, 0x100, &ulen, str, -1, &rc);
  if (rc != U_ZERO_ERROR) {
    return -1;
  }
  rc = U_ZERO_ERROR;
  nlen = unorm_normalize(ubuf, ulen, mode, 0, nbuf, 0x100, &rc);
  if (rc != U_ZERO_ERROR) {
    return -1;
  }
  rc = U_ZERO_ERROR;
  u_strToUTF8(res, 0x100, NULL, nbuf, nlen, &rc);
  if (rc != U_ZERO_ERROR) {
    return -1;
  }
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<normalize>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x820,%rsp
  mov    %rdi,%rcx
  mov    %rsi,%rbp
  mov    %edx,%ebx
  mov    %fs:0x28,%rax
  mov    %rax,0x818(%rsp)
  xor    %eax,%eax
  mov    D20(%rip),%r12
  mov    (%r12),%rax
  mov    %rax,0x8(%rsp)
  lea    0x4(%rsp),%rdx
  lea    0x10(%rsp),%rdi
  lea    0x8(%rsp),%r9
  mov    $0xffffffff,%r8d
  mov    $0x100,%esi
  call   <u_strFromUTF8@plt>
  mov    (%r12),%rax
  cmp    %rax,0x8(%rsp)
  jne    L28
  mov    %rax,0x8(%rsp)
  lea    0x10(%rsp),%rdi
  sub    $0x8,%rsp
  lea    0x10(%rsp),%rax
  push   %rax
  mov    $0x100,%r9d
  lea    0x420(%rsp),%r8
  mov    $0x0,%ecx
  mov    %ebx,%edx
  mov    0x14(%rsp),%esi
  call   <unorm_normalize@plt>
  mov    %eax,%r8d
  mov    D20(%rip),%rax
  mov    (%rax),%rax
  add    $0x10,%rsp
  cmp    %rax,0x8(%rsp)
  jne    L45
  mov    %rax,0x8(%rsp)
  lea    0x410(%rsp),%rcx
  lea    0x8(%rsp),%r9
  mov    $0x0,%edx
  mov    $0x100,%esi
  mov    %rbp,%rdi
  call   <u_strToUTF8@plt>
  mov    D20(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,0x8(%rsp)
  setne  %al
  movzbl %al,%eax
  neg    %eax
L38:
  mov    0x818(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L10
  add    $0x820,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L28:
  mov    $0xffffffff,%eax
  jmp    L38
L45:
  mov    $0xffffffff,%eax
  jmp    L38
L10:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int normalize(const char *str, char *res, UNormalizationMode mode) {
  UErrorCode rc;
  int32_t ulen, nlen;
  UChar ubuf[0x100], nbuf[0x100];
  rc = U_ZERO_ERROR;
  u_strFromUTF8(ubuf, 0x100, &ulen, str, -1, &rc);
  if (rc != U_ZERO_ERROR) {
    return -1;
  }
  rc = U_ZERO_ERROR;
  nlen = unorm_normalize(ubuf, ulen, mode, 0, nbuf, 0x100, &rc);
  if (rc != U_ZERO_ERROR) {
    return -1;
  }
  rc = U_ZERO_ERROR;
  u_strToUTF8(res, 0x100, NULL, nbuf, nlen, &rc);
  if (rc != U_ZERO_ERROR) {
    return -1;
  }
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<normalize>:
  endbr64
  push   %r15
  mov    %rdi,%rcx
  mov    $0xffffffff,%r8d
  push   %r14
  push   %r13
  push   %r12
  mov    %edx,%r12d
  push   %rbp
  mov    %rsi,%rbp
  mov    $0x100,%esi
  push   %rbx
  sub    $0x828,%rsp
  mov    D6(%rip),%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x818(%rsp)
  xor    %eax,%eax
  lea    0x8(%rsp),%r13
  lea    0x10(%rsp),%r14
  mov    (%rbx),%rax
  lea    0x4(%rsp),%rdx
  mov    %r13,%r9
  mov    %r14,%rdi
  mov    %rax,0x8(%rsp)
  call   <u_strFromUTF8@plt>
  mov    (%rbx),%rax
  cmp    %rax,0x8(%rsp)
  jne    L17
  lea    0x410(%rsp),%r15
  mov    %r12d,%edx
  xor    %ecx,%ecx
  mov    %r14,%rdi
  sub    $0x8,%rsp
  mov    %r15,%r8
  mov    $0x100,%r9d
  push   %r13
  mov    0x14(%rsp),%esi
  call   <unorm_normalize@plt>
  mov    %eax,%r8d
  pop    %rax
  mov    (%rbx),%rax
  pop    %rdx
  cmp    %rax,0x8(%rsp)
  jne    L17
  xor    %edx,%edx
  mov    %r13,%r9
  mov    %r15,%rcx
  mov    $0x100,%esi
  mov    %rbp,%rdi
  call   <u_strToUTF8@plt>
  mov    (%rbx),%rax
  cmp    %rax,0x8(%rsp)
  setne  %al
  movzbl %al,%eax
  neg    %eax
L19:
  mov    0x818(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L29
  add    $0x828,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L17:
  mov    $0xffffffff,%eax
  jmp    L19
L29:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int normalize(const char *str, char *res, UNormalizationMode mode) {
  UErrorCode rc;
  int32_t ulen, nlen;
  UChar ubuf[0x100], nbuf[0x100];
  rc = U_ZERO_ERROR;
  u_strFromUTF8(ubuf, 0x100, &ulen, str, -1, &rc);
  if (rc != U_ZERO_ERROR) {
    return -1;
  }
  rc = U_ZERO_ERROR;
  nlen = unorm_normalize(ubuf, ulen, mode, 0, nbuf, 0x100, &rc);
  if (rc != U_ZERO_ERROR) {
    return -1;
  }
  rc = U_ZERO_ERROR;
  u_strToUTF8(res, 0x100, NULL, nbuf, nlen, &rc);
  if (rc != U_ZERO_ERROR) {
    return -1;
  }
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<normalize>:
  endbr64
  push   %r15
  mov    %rdi,%rcx
  mov    $0xffffffff,%r8d
  push   %r14
  push   %r13
  push   %r12
  mov    %edx,%r12d
  push   %rbp
  mov    %rsi,%rbp
  mov    $0x100,%esi
  push   %rbx
  sub    $0x828,%rsp
  mov    D0(%rip),%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x818(%rsp)
  xor    %eax,%eax
  lea    0x8(%rsp),%r13
  lea    0x10(%rsp),%r14
  mov    (%rbx),%rax
  lea    0x4(%rsp),%rdx
  mov    %r13,%r9
  mov    %r14,%rdi
  mov    %rax,0x8(%rsp)
  call   <u_strFromUTF8@plt>
  mov    (%rbx),%rax
  cmp    %rax,0x8(%rsp)
  jne    L35
  lea    0x410(%rsp),%r15
  mov    %r12d,%edx
  xor    %ecx,%ecx
  mov    %r14,%rdi
  sub    $0x8,%rsp
  mov    %r15,%r8
  mov    $0x100,%r9d
  push   %r13
  mov    0x14(%rsp),%esi
  call   <unorm_normalize@plt>
  mov    %eax,%r8d
  pop    %rax
  mov    (%rbx),%rax
  pop    %rdx
  cmp    %rax,0x8(%rsp)
  jne    L35
  xor    %edx,%edx
  mov    %r13,%r9
  mov    %r15,%rcx
  mov    $0x100,%esi
  mov    %rbp,%rdi
  call   <u_strToUTF8@plt>
  mov    (%rbx),%rax
  cmp    %rax,0x8(%rsp)
  setne  %al
  movzbl %al,%eax
  neg    %eax
L5:
  mov    0x818(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L30
  add    $0x828,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L35:
  mov    $0xffffffff,%eax
  jmp    L5
L30:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int normalize(const char *str, char *res, UNormalizationMode mode) {
  UErrorCode rc;
  int32_t ulen, nlen;
  UChar ubuf[0x100], nbuf[0x100];
  rc = U_ZERO_ERROR;
  u_strFromUTF8(ubuf, 0x100, &ulen, str, -1, &rc);
  if (rc != U_ZERO_ERROR) {
    return -1;
  }
  rc = U_ZERO_ERROR;
  nlen = unorm_normalize(ubuf, ulen, mode, 0, nbuf, 0x100, &rc);
  if (rc != U_ZERO_ERROR) {
    return -1;
  }
  rc = U_ZERO_ERROR;
  u_strToUTF8(res, 0x100, NULL, nbuf, nlen, &rc);
  if (rc != U_ZERO_ERROR) {
    return -1;
  }
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<test>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x4,-0x10(%rbp)
  movl   $0x4,-0xc(%rbp)
  mov    -0xc(%rbp),%edx
  lea    -0x14(%rbp),%rcx
  mov    -0x10(%rbp),%eax
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <connect@plt>
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L5
  call   <__stack_chk_fail@plt>
L5:
  leave
  ret
```

assistant: ```c
int test(void) {
  int sockfd = 4;
  struct sockaddr addr;
  socklen_t addrlen = sizeof(addr);
  return connect(sockfd, &addr, addrlen);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<test>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  mov    $0x4,%edx
  mov    $0x4,%edi
  call   <connect@plt>
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L2
  add    $0x18,%rsp
  ret
L2:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int test(void) {
  int sockfd = 4;
  struct sockaddr addr;
  socklen_t addrlen = sizeof(addr);
  return connect(sockfd, &addr, addrlen);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<test>:
  endbr64
  sub    $0x18,%rsp
  mov    $0x4,%edx
  mov    $0x4,%edi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  call   <connect@plt>
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L1
  add    $0x18,%rsp
  ret
L1:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int test(void) {
  int sockfd = 4;
  struct sockaddr addr;
  socklen_t addrlen = sizeof(addr);
  return connect(sockfd, &addr, addrlen);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<test>:
  endbr64
  sub    $0x18,%rsp
  mov    $0x4,%edx
  mov    $0x4,%edi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  call   <connect@plt>
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L6
  add    $0x18,%rsp
  ret
L6:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int test(void) {
  int sockfd = 4;
  struct sockaddr addr;
  socklen_t addrlen = sizeof(addr);
  return connect(sockfd, &addr, addrlen);
}
```
user: What is the c source code of the assembly code below?

```asm
<getIndex>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <getHash@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rcx
  mov    -0x8(%rbp),%rax
  mov    $0x0,%edx
  div    %rcx
  mov    %rdx,%rax
  mov    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  leave
  ret
```

assistant: ```c
int getIndex(char *str, int tableSize) {
  unsigned long long x = getHash(str);
  int y = x % tableSize;
  return y;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<getIndex>:
  endbr64
  push   %rbx
  mov    %esi,%ebx
  call   <getHash@plt>
  movslq %ebx,%rsi
  mov    $0x0,%edx
  div    %rsi
  mov    %edx,%eax
  pop    %rbx
  ret
```

assistant: ```c
int getIndex(char *str, int tableSize) {
  unsigned long long x = getHash(str);
  int y = x % tableSize;
  return y;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<getIndex>:
  endbr64
  push   %rbx
  mov    %esi,%ebx
  call   <getHash@plt>
  movslq %ebx,%rsi
  xor    %edx,%edx
  pop    %rbx
  div    %rsi
  mov    %edx,%eax
  ret
```

assistant: ```c
int getIndex(char *str, int tableSize) {
  unsigned long long x = getHash(str);
  int y = x % tableSize;
  return y;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<fc8300_ppi_wordwrite>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %ecx,%eax
  mov    %esi,%ecx
  mov    %cx,-0x1c(%rbp)
  mov    %dx,-0x20(%rbp)
  mov    %ax,-0x24(%rbp)
  movw   $0x2,-0x2(%rbp)
  movb   $0x80,-0x3(%rbp)
  mov    $0x0,%eax
  call   <OAL_OBTAIN_SEMAPHORE@plt>
  movzwl -0x20(%rbp),%eax
  shr    $0x8,%ax
  mov    %eax,%edx
  mov    $0x0,%eax
  mov    %dl,(%rax)
  mov    $0x0,%eax
  movzwl -0x20(%rbp),%edx
  mov    %dl,(%rax)
  mov    $0x0,%edx
  movzbl -0x3(%rbp),%eax
  mov    %al,(%rdx)
  mov    $0x0,%eax
  movzwl -0x2(%rbp),%edx
  mov    %dl,(%rax)
  mov    $0x0,%eax
  movzwl -0x24(%rbp),%edx
  mov    %dl,(%rax)
  movzwl -0x24(%rbp),%eax
  shr    $0x8,%ax
  mov    %eax,%edx
  mov    $0x0,%eax
  mov    %dl,(%rax)
  mov    $0x0,%eax
  call   <OAL_RELEASE_SEMAPHORE@plt>
  mov    $0x0,%eax
  leave
  ret
```

assistant: ```c
int fc8300_ppi_wordwrite(void *handle, unsigned short devid, unsigned short addr, unsigned short data) {
  unsigned short length = 2;
  unsigned char command = 0x80 | 0x00;
  OAL_OBTAIN_SEMAPHORE();
  (*(volatile unsigned char *)0x00) = (addr & 0xff00) >> 8;
  (*(volatile unsigned char *)0x00) = addr & 0xff;
  (*(volatile unsigned char *)0x00) = command;
  (*(volatile unsigned char *)0x00) = length & 0xff;
  (*(volatile unsigned char *)0x00) = data & 0xff;
  (*(volatile unsigned char *)0x00) = (data & 0xff00) >> 8;
  OAL_RELEASE_SEMAPHORE();
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<fc8300_ppi_wordwrite>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edx,%ebp
  mov    %ecx,%ebx
  mov    $0x0,%eax
  call   <OAL_OBTAIN_SEMAPHORE@plt>
  mov    %ebp,%eax
  shr    $0x8,%ax
  mov    %al,0x0
  mov    %bpl,0x0
  movb   $0x80,0x0
  movb   $0x2,0x0
  mov    %bl,0x0
  shr    $0x8,%bx
  mov    %bl,0x0
  mov    $0x0,%eax
  call   <OAL_RELEASE_SEMAPHORE@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
int fc8300_ppi_wordwrite(void *handle, unsigned short devid, unsigned short addr, unsigned short data) {
  unsigned short length = 2;
  unsigned char command = 0x80 | 0x00;
  OAL_OBTAIN_SEMAPHORE();
  (*(volatile unsigned char *)0x00) = (addr & 0xff00) >> 8;
  (*(volatile unsigned char *)0x00) = addr & 0xff;
  (*(volatile unsigned char *)0x00) = command;
  (*(volatile unsigned char *)0x00) = length & 0xff;
  (*(volatile unsigned char *)0x00) = data & 0xff;
  (*(volatile unsigned char *)0x00) = (data & 0xff00) >> 8;
  OAL_RELEASE_SEMAPHORE();
  return 0;
}
```
user: What is the c source code of the assembly code below:

```asm
<fc8300_ppi_wordwrite>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <OAL_OBTAIN_SEMAPHORE@plt>
  movb   $0x0,0x0
  ud2
```

assistant: ```c
int fc8300_ppi_wordwrite(void *handle, unsigned short devid, unsigned short addr, unsigned short data) {
  unsigned short length = 2;
  unsigned char command = 0x80 | 0x00;
  OAL_OBTAIN_SEMAPHORE();
  (*(volatile unsigned char *)0x00) = (addr & 0xff00) >> 8;
  (*(volatile unsigned char *)0x00) = addr & 0xff;
  (*(volatile unsigned char *)0x00) = command;
  (*(volatile unsigned char *)0x00) = length & 0xff;
  (*(volatile unsigned char *)0x00) = data & 0xff;
  (*(volatile unsigned char *)0x00) = (data & 0xff00) >> 8;
  OAL_RELEASE_SEMAPHORE();
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<fc8300_ppi_wordwrite>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <OAL_OBTAIN_SEMAPHORE@plt>
  movb   $0x0,0x0
  ud2
```

assistant: ```c
int fc8300_ppi_wordwrite(void *handle, unsigned short devid, unsigned short addr, unsigned short data) {
  unsigned short length = 2;
  unsigned char command = 0x80 | 0x00;
  OAL_OBTAIN_SEMAPHORE();
  (*(volatile unsigned char *)0x00) = (addr & 0xff00) >> 8;
  (*(volatile unsigned char *)0x00) = addr & 0xff;
  (*(volatile unsigned char *)0x00) = command;
  (*(volatile unsigned char *)0x00) = length & 0xff;
  (*(volatile unsigned char *)0x00) = data & 0xff;
  (*(volatile unsigned char *)0x00) = (data & 0xff00) >> 8;
  OAL_RELEASE_SEMAPHORE();
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<parse_line>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%r13
  movl   $0x0,0x4(%rsp)
  call   <entry_malloc@plt>
  mov    %r13,%rdx
  mov    %rbp,%rsi
  mov    %rax,%rdi
  mov    %rax,%r12
  call   <parse_client_field@plt>
  test   %eax,%eax
  je     L26
  mov    %r13,%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <parse_identity_field@plt>
  test   %eax,%eax
  je     L26
  mov    %r13,%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <parse_user_id_field@plt>
  test   %eax,%eax
  je     L26
  mov    %r13,%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <parse_time_field@plt>
  test   %eax,%eax
  je     L26
  mov    %r13,%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <parse_request_field@plt>
  test   %eax,%eax
  je     L26
  mov    %r13,%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <parse_status_code_field@plt>
  test   %eax,%eax
  je     L26
  mov    %r13,%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <parse_size_field@plt>
  test   %eax,%eax
  je     L26
  mov    %r13,%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <parse_referer_field@plt>
  test   %eax,%eax
  je     L26
  mov    %r13,%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <parse_user_agent_field@plt>
  test   %eax,%eax
  jne    L51
  nop
L26:
  mov    %r12,%rdi
  xor    %r12d,%r12d
  call   <free_entry@plt>
L51:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L75
  add    $0x10,%rsp
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L75:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
struct log_file_entry *parse_line(const char *line) {
  struct log_file_entry *entry;
  int current_position = 0;
  entry = entry_malloc();
  if (!parse_client_field(entry, line, &current_position)) {
    free_entry(entry);
    return NULL;
  }
  if (!parse_identity_field(entry, line, &current_position)) {
    free_entry(entry);
    return NULL;
  }
  if (!parse_user_id_field(entry, line, &current_position)) {
    free_entry(entry);
    return NULL;
  }
  if (!parse_time_field(entry, line, &current_position)) {
    free_entry(entry);
    return NULL;
  }
  if (!parse_request_field(entry, line, &current_position)) {
    free_entry(entry);
    return NULL;
  }
  if (!parse_status_code_field(entry, line, &current_position)) {
    free_entry(entry);
    return NULL;
  }
  if (!parse_size_field(entry, line, &current_position)) {
    free_entry(entry);
    return NULL;
  }
  if (!parse_referer_field(entry, line, &current_position)) {
    free_entry(entry);
    return NULL;
  }
  if (!parse_user_agent_field(entry, line, &current_position)) {
    free_entry(entry);
    return NULL;
  }
  return entry;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<parse_line>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%r13
  movl   $0x0,0x4(%rsp)
  call   <entry_malloc@plt>
  mov    %r13,%rdx
  mov    %rbp,%rsi
  mov    %rax,%rdi
  mov    %rax,%r12
  call   <parse_client_field@plt>
  test   %eax,%eax
  je     L81
  mov    %r13,%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <parse_identity_field@plt>
  test   %eax,%eax
  je     L81
  mov    %r13,%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <parse_user_id_field@plt>
  test   %eax,%eax
  je     L81
  mov    %r13,%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <parse_time_field@plt>
  test   %eax,%eax
  je     L81
  mov    %r13,%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <parse_request_field@plt>
  test   %eax,%eax
  je     L81
  mov    %r13,%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <parse_status_code_field@plt>
  test   %eax,%eax
  je     L81
  mov    %r13,%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <parse_size_field@plt>
  test   %eax,%eax
  je     L81
  mov    %r13,%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <parse_referer_field@plt>
  test   %eax,%eax
  je     L81
  mov    %r13,%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <parse_user_agent_field@plt>
  test   %eax,%eax
  jne    L31
  nop
L81:
  mov    %r12,%rdi
  xor    %r12d,%r12d
  call   <free_entry@plt>
L31:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L23
  add    $0x10,%rsp
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L23:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
struct log_file_entry *parse_line(const char *line) {
  struct log_file_entry *entry;
  int current_position = 0;
  entry = entry_malloc();
  if (!parse_client_field(entry, line, &current_position)) {
    free_entry(entry);
    return NULL;
  }
  if (!parse_identity_field(entry, line, &current_position)) {
    free_entry(entry);
    return NULL;
  }
  if (!parse_user_id_field(entry, line, &current_position)) {
    free_entry(entry);
    return NULL;
  }
  if (!parse_time_field(entry, line, &current_position)) {
    free_entry(entry);
    return NULL;
  }
  if (!parse_request_field(entry, line, &current_position)) {
    free_entry(entry);
    return NULL;
  }
  if (!parse_status_code_field(entry, line, &current_position)) {
    free_entry(entry);
    return NULL;
  }
  if (!parse_size_field(entry, line, &current_position)) {
    free_entry(entry);
    return NULL;
  }
  if (!parse_referer_field(entry, line, &current_position)) {
    free_entry(entry);
    return NULL;
  }
  if (!parse_user_agent_field(entry, line, &current_position)) {
    free_entry(entry);
    return NULL;
  }
  return entry;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x120,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0x114(%rbp)
  jmp    L29
L17:
  mov    -0x114(%rbp),%eax
  cltq
  movb   $0x41,-0x110(%rbp,%rax,1)
  addl   $0x1,-0x114(%rbp)
L29:
  cmpl   $0xfe,-0x114(%rbp)
  jle    L17
  lea    -0x110(%rbp),%rax
  mov    %rax,%rdi
  call   <function@plt>
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L2
  call   <__stack_chk_fail@plt>
L2:
  leave
  ret
```

assistant: ```c
void main() {
  char large_string[256];
  int i;
  for (i = 0; i < 255; i++)
    large_string[i] = 'A';
  function(large_string);
}
```