ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<send_msg_recv_msg>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  mov    %edx,-0x1c(%rbp)
  mov    %rcx,-0x28(%rbp)
  mov    %r8,-0x30(%rbp)
  mov    %r9,-0x38(%rbp)
  mov    -0x30(%rbp),%rdi
  mov    -0x28(%rbp),%rcx
  mov    -0x1c(%rbp),%edx
  mov    -0x18(%rbp),%esi
  mov    -0x14(%rbp),%eax
  mov    %rdi,%r8
  mov    %eax,%edi
  call   <send_msg@plt>
  mov    %eax,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  jne    L6
  mov    -0x38(%rbp),%rcx
  mov    -0x14(%rbp),%eax
  mov    0x10(%rbp),%rdx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <recv_msg@plt>
  mov    %eax,-0x4(%rbp)
L6:
  mov    -0x4(%rbp),%eax
  leave
  ret
```

assistant: ```c
int send_msg_recv_msg(int sock, int type, int op, size_t send_len, const void *send_buf, size_t recv_len, void *recv_buf) {
  int ret;
  ret = send_msg(sock, type, op, send_len, send_buf);
  if (!ret) {
    ret = recv_msg(sock, recv_len, recv_buf);
  }
  return ret;
}
```
user: Translate the below assembly code into C programming language:

```asm
<send_msg_recv_msg>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edi,%ebx
  mov    %r9,%rbp
  call   <send_msg@plt>
  test   %eax,%eax
  je     L15
L11:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L15:
  mov    0x20(%rsp),%rdx
  mov    %rbp,%rsi
  mov    %ebx,%edi
  call   <recv_msg@plt>
  jmp    L11
```

assistant: ```c
int send_msg_recv_msg(int sock, int type, int op, size_t send_len, const void *send_buf, size_t recv_len, void *recv_buf) {
  int ret;
  ret = send_msg(sock, type, op, send_len, send_buf);
  if (!ret) {
    ret = recv_msg(sock, recv_len, recv_buf);
  }
  return ret;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<send_msg_recv_msg>:
  endbr64
  push   %r13
  push   %r12
  mov    %r9,%r12
  push   %rbp
  mov    %edi,%ebp
  mov    0x20(%rsp),%r13
  call   <send_msg@plt>
  test   %eax,%eax
  je     L3
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopw   0x0(%rax,%rax,1)
L3:
  mov    %r13,%rdx
  mov    %r12,%rsi
  mov    %ebp,%edi
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    1070 <recv_msg@plt>
```

assistant: ```c
int send_msg_recv_msg(int sock, int type, int op, size_t send_len, const void *send_buf, size_t recv_len, void *recv_buf) {
  int ret;
  ret = send_msg(sock, type, op, send_len, send_buf);
  if (!ret) {
    ret = recv_msg(sock, recv_len, recv_buf);
  }
  return ret;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<send_msg_recv_msg>:
  endbr64
  push   %r13
  push   %r12
  mov    %r9,%r12
  push   %rbp
  mov    %edi,%ebp
  mov    0x20(%rsp),%r13
  call   <send_msg@plt>
  test   %eax,%eax
  je     L0
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopw   0x0(%rax,%rax,1)
L0:
  mov    %r13,%rdx
  mov    %r12,%rsi
  mov    %ebp,%edi
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    1070 <recv_msg@plt>
```

assistant: ```c
int send_msg_recv_msg(int sock, int type, int op, size_t send_len, const void *send_buf, size_t recv_len, void *recv_buf) {
  int ret;
  ret = send_msg(sock, type, op, send_len, send_buf);
  if (!ret) {
    ret = recv_msg(sock, recv_len, recv_buf);
  }
  return ret;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<xrop3_222_1_1>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,%edx
  mov    %esi,%eax
  mov    %dl,-0x24(%rbp)
  mov    %al,-0x28(%rbp)
  movl   $0xff,-0x14(%rbp)
  movzbl -0x24(%rbp),%eax
  shl    $0x8,%eax
  mov    %eax,%edx
  movzbl -0x24(%rbp),%eax
  or     %edx,%eax
  mov    %eax,-0x10(%rbp)
  movzbl -0x28(%rbp),%eax
  shl    $0x8,%eax
  mov    %eax,%edx
  movzbl -0x28(%rbp),%eax
  or     %edx,%eax
  mov    %eax,-0xc(%rbp)
  mov    -0x14(%rbp),%eax
  xor    -0xc(%rbp),%eax
  mov    %eax,-0x8(%rbp)
  mov    -0x10(%rbp),%eax
  or     -0x8(%rbp),%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x10(%rbp),%eax
  not    %eax
  and    -0x4(%rbp),%eax
  mov    %eax,%edx
  mov    -0xc(%rbp),%eax
  not    %eax
  and    %eax,%edx
  mov    -0x14(%rbp),%eax
  and    -0x10(%rbp),%eax
  or     %eax,%edx
  mov    -0x14(%rbp),%eax
  and    -0xc(%rbp),%eax
  or     %edx,%eax
  pop    %rbp
  ret
```

assistant: ```c
unsigned xrop3_222_1_1(unsigned char s, unsigned char t) {
  unsigned D = 0x00ff;
  unsigned S = ((unsigned)s << 8) | s;
  unsigned T = ((unsigned)t << 8) | t;
  unsigned stk1;
  unsigned stk2;
  stk2 = D ^ T;
  stk1 = S | stk2;
  return (stk1 & (~S) & (~T)) | (D & S) | (D & T);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<xrop3_222_1_1>:
  endbr64
  movzbl %dil,%eax
  mov    %eax,%edi
  shl    $0x8,%edi
  or     %eax,%edi
  movzbl %sil,%esi
  mov    %esi,%eax
  shl    $0x8,%eax
  or     %eax,%esi
  or     $0xff,%al
  xor    %esi,%eax
  mov    %edi,%edx
  not    %edx
  and    %edx,%eax
  or     %esi,%edi
  movzbl %dil,%edi
  or     %edi,%eax
  ret
```

assistant: ```c
unsigned xrop3_222_1_1(unsigned char s, unsigned char t) {
  unsigned D = 0x00ff;
  unsigned S = ((unsigned)s << 8) | s;
  unsigned T = ((unsigned)t << 8) | t;
  unsigned stk1;
  unsigned stk2;
  stk2 = D ^ T;
  stk1 = S | stk2;
  return (stk1 & (~S) & (~T)) | (D & S) | (D & T);
}
```
user: Translate the below assembly code into C programming language:

```asm
<xrop3_222_1_1>:
  endbr64
  movzbl %dil,%eax
  movzbl %sil,%esi
  mov    %eax,%edi
  shl    $0x8,%edi
  or     %eax,%edi
  mov    %esi,%eax
  shl    $0x8,%eax
  mov    %edi,%edx
  or     %eax,%esi
  or     $0xff,%al
  not    %edx
  xor    %esi,%eax
  or     %esi,%edi
  and    %edx,%eax
  movzbl %dil,%edi
  or     %edi,%eax
  ret
```

assistant: ```c
unsigned xrop3_222_1_1(unsigned char s, unsigned char t) {
  unsigned D = 0x00ff;
  unsigned S = ((unsigned)s << 8) | s;
  unsigned T = ((unsigned)t << 8) | t;
  unsigned stk1;
  unsigned stk2;
  stk2 = D ^ T;
  stk1 = S | stk2;
  return (stk1 & (~S) & (~T)) | (D & S) | (D & T);
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<xrop3_222_1_1>:
  endbr64
  movzbl %dil,%eax
  movzbl %sil,%esi
  mov    %eax,%edi
  shl    $0x8,%edi
  or     %eax,%edi
  mov    %esi,%eax
  shl    $0x8,%eax
  mov    %edi,%edx
  or     %eax,%esi
  or     $0xff,%al
  not    %edx
  xor    %esi,%eax
  or     %esi,%edi
  and    %edx,%eax
  movzbl %dil,%edi
  or     %edi,%eax
  ret
```

assistant: ```c
unsigned xrop3_222_1_1(unsigned char s, unsigned char t) {
  unsigned D = 0x00ff;
  unsigned S = ((unsigned)s << 8) | s;
  unsigned T = ((unsigned)t << 8) | t;
  unsigned stk1;
  unsigned stk2;
  stk2 = D ^ T;
  stk1 = S | stk2;
  return (stk1 & (~S) & (~T)) | (D & S) | (D & T);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<uwsgi_opt_legion_hook>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    -0x28(%rbp),%rax
  mov    $0x2d,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  mov    %rax,-0x20(%rbp)
  cmpq   $0x0,-0x20(%rbp)
  jne    L21
  mov    -0x28(%rbp),%rax
  mov    %rax,%rsi
  lea    D9(%rip),%rax
  mov    %rax,%rdi
  call   <uwsgi_log@plt>
  mov    $0x1,%edi
  call   <uwsgi_exit@plt>
L21:
  mov    -0x30(%rbp),%rax
  lea    D29(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <uwsgi_concat2@plt>
  mov    %rax,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    $0x20,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  mov    %rax,-0x10(%rbp)
  cmpq   $0x0,-0x10(%rbp)
  jne    L2
  mov    -0x28(%rbp),%rax
  mov    %rax,%rsi
  lea    D39(%rip),%rax
  mov    %rax,%rdi
  call   <uwsgi_log@plt>
  mov    $0x1,%edi
  call   <uwsgi_exit@plt>
L2:
  mov    -0x10(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <uwsgi_legion_get_by_name@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L19
  mov    -0x18(%rbp),%rax
  mov    %rax,%rsi
  lea    D24(%rip),%rax
  mov    %rax,%rdi
  call   <uwsgi_log@plt>
  mov    $0x1,%edi
  call   <uwsgi_exit@plt>
L19:
  mov    -0x10(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    -0x8(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <uwsgi_legion_register_hook@plt>
  nop
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: data_label: D9
type: string
name: retrieve_data
arguments: data_label: D29
type: string
name: retrieve_data
arguments: data_label: D39
type: string
name: retrieve_data
arguments: data_label: D24
type: string

tool: D9: [uwsgi-legion] invalid option name (%s), this should not happen (possible bug)


tool: 

tool: D39: [uwsgi-legion] invalid %s syntax, must be <legion> <action>


tool: D24: [uwsgi-legion] unknown legion: %s


assistant: ```c
void uwsgi_opt_legion_hook(char *opt, char *value, void *foobar) {
  char *event = strchr(opt, '-');
  if (!event) {
    uwsgi_log("[uwsgi-legion] invalid option name (%s), this should not happen (possible bug)\n", opt);
    uwsgi_exit(1);
  }
  char *legion = uwsgi_concat2(value, (char *)"");
  char *space = strchr(legion, ' ');
  if (!space) {
    uwsgi_log("[uwsgi-legion] invalid %s syntax, must be <legion> <action>\n", opt);
    uwsgi_exit(1);
  }
  *space = 0;
  struct uwsgi_legion *ul = uwsgi_legion_get_by_name(legion);
  if (!ul) {
    uwsgi_log("[uwsgi-legion] unknown legion: %s\n", legion);
    uwsgi_exit(1);
  }
  uwsgi_legion_register_hook(ul, event + 1, space + 1);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<uwsgi_opt_legion_hook>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r13
  mov    %rsi,%rbx
  mov    $0x2d,%esi
  call   <strchr@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L12
L53:
  lea    D34(%rip),%rsi
  mov    %rbx,%rdi
  call   <uwsgi_concat2@plt>
  mov    %rax,%r12
  mov    $0x20,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L4
L3:
  movb   $0x0,(%rbx)
  mov    %r12,%rdi
  call   <uwsgi_legion_get_by_name@plt>
  mov    %rax,%r13
  test   %rax,%rax
  je     L15
L59:
  lea    0x1(%rbx),%rdx
  lea    0x1(%rbp),%rsi
  mov    %r13,%rdi
  call   <uwsgi_legion_register_hook@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L12:
  mov    %r13,%rsi
  lea    D11(%rip),%rdi
  call   <uwsgi_log@plt>
  mov    $0x1,%edi
  call   <uwsgi_exit@plt>
  jmp    L53
L4:
  mov    %r13,%rsi
  lea    D39(%rip),%rdi
  call   <uwsgi_log@plt>
  mov    $0x1,%edi
  call   <uwsgi_exit@plt>
  jmp    L3
L15:
  mov    %r12,%rsi
  lea    D9(%rip),%rdi
  call   <uwsgi_log@plt>
  mov    $0x1,%edi
  call   <uwsgi_exit@plt>
  jmp    L59
```

tool_calls: name: disassemble_data
arguments: data_tag: D34
data_type: string
name: disassemble_data
arguments: data_tag: D11
data_type: string
name: disassemble_data
arguments: data_tag: D39
data_type: string
name: disassemble_data
arguments: data_tag: D9
data_type: string

tool: 

tool: D11: [uwsgi-legion] invalid option name (%s), this should not happen (possible bug)


tool: D39: [uwsgi-legion] invalid %s syntax, must be <legion> <action>


tool: D9: [uwsgi-legion] unknown legion: %s


assistant: ```c
void uwsgi_opt_legion_hook(char *opt, char *value, void *foobar) {
  char *event = strchr(opt, '-');
  if (!event) {
    uwsgi_log("[uwsgi-legion] invalid option name (%s), this should not happen (possible bug)\n", opt);
    uwsgi_exit(1);
  }
  char *legion = uwsgi_concat2(value, (char *)"");
  char *space = strchr(legion, ' ');
  if (!space) {
    uwsgi_log("[uwsgi-legion] invalid %s syntax, must be <legion> <action>\n", opt);
    uwsgi_exit(1);
  }
  *space = 0;
  struct uwsgi_legion *ul = uwsgi_legion_get_by_name(legion);
  if (!ul) {
    uwsgi_log("[uwsgi-legion] unknown legion: %s\n", legion);
    uwsgi_exit(1);
  }
  uwsgi_legion_register_hook(ul, event + 1, space + 1);
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<uwsgi_opt_legion_hook>:
  endbr64
  push   %r13
  mov    %rdi,%r13
  push   %r12
  mov    %rsi,%r12
  mov    $0x2d,%esi
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <strchr@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L55
L19:
  mov    %r12,%rdi
  lea    D0(%rip),%rsi
  call   <uwsgi_concat2@plt>
  mov    $0x20,%esi
  mov    %rax,%rdi
  mov    %rax,%r12
  call   <strchr@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L2
L14:
  movb   $0x0,(%rbx)
  mov    %r12,%rdi
  call   <uwsgi_legion_get_by_name@plt>
  mov    %rax,%r13
  test   %rax,%rax
  je     L56
L34:
  add    $0x8,%rsp
  lea    0x1(%rbx),%rdx
  lea    0x1(%rbp),%rsi
  mov    %r13,%rdi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    10b0 <uwsgi_legion_register_hook@plt>
  nopw   0x0(%rax,%rax,1)
L55:
  mov    %r13,%rsi
  lea    D36(%rip),%rdi
  call   <uwsgi_log@plt>
  mov    $0x1,%edi
  call   <uwsgi_exit@plt>
  jmp    L19
  nopl   0x0(%rax,%rax,1)
L2:
  mov    %r13,%rsi
  lea    D19(%rip),%rdi
  call   <uwsgi_log@plt>
  mov    $0x1,%edi
  call   <uwsgi_exit@plt>
  jmp    L14
  nopl   0x0(%rax,%rax,1)
L56:
  mov    %r12,%rsi
  lea    D8(%rip),%rdi
  call   <uwsgi_log@plt>
  mov    $0x1,%edi
  call   <uwsgi_exit@plt>
  jmp    L34
```

tool_calls: name: disassemble_data
arguments: data_tag: D0
data_type: string
name: disassemble_data
arguments: data_tag: D36
data_type: string
name: disassemble_data
arguments: data_tag: D19
data_type: string
name: disassemble_data
arguments: data_tag: D8
data_type: string

tool: 

tool: D36: [uwsgi-legion] invalid option name (%s), this should not happen (possible bug)


tool: D19: [uwsgi-legion] invalid %s syntax, must be <legion> <action>


tool: D8: [uwsgi-legion] unknown legion: %s


assistant: ```c
void uwsgi_opt_legion_hook(char *opt, char *value, void *foobar) {
  char *event = strchr(opt, '-');
  if (!event) {
    uwsgi_log("[uwsgi-legion] invalid option name (%s), this should not happen (possible bug)\n", opt);
    uwsgi_exit(1);
  }
  char *legion = uwsgi_concat2(value, (char *)"");
  char *space = strchr(legion, ' ');
  if (!space) {
    uwsgi_log("[uwsgi-legion] invalid %s syntax, must be <legion> <action>\n", opt);
    uwsgi_exit(1);
  }
  *space = 0;
  struct uwsgi_legion *ul = uwsgi_legion_get_by_name(legion);
  if (!ul) {
    uwsgi_log("[uwsgi-legion] unknown legion: %s\n", legion);
    uwsgi_exit(1);
  }
  uwsgi_legion_register_hook(ul, event + 1, space + 1);
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<uwsgi_opt_legion_hook>:
  endbr64
  push   %r13
  mov    %rdi,%r13
  push   %r12
  mov    %rsi,%r12
  mov    $0x2d,%esi
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <strchr@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L23
L7:
  mov    %r12,%rdi
  lea    D0(%rip),%rsi
  call   <uwsgi_concat2@plt>
  mov    $0x20,%esi
  mov    %rax,%rdi
  mov    %rax,%r12
  call   <strchr@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L44
L32:
  movb   $0x0,(%rbx)
  mov    %r12,%rdi
  call   <uwsgi_legion_get_by_name@plt>
  mov    %rax,%r13
  test   %rax,%rax
  je     L55
L48:
  add    $0x8,%rsp
  lea    0x1(%rbx),%rdx
  lea    0x1(%rbp),%rsi
  mov    %r13,%rdi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    10b0 <uwsgi_legion_register_hook@plt>
  nopw   0x0(%rax,%rax,1)
L23:
  mov    %r13,%rsi
  lea    D27(%rip),%rdi
  call   <uwsgi_log@plt>
  mov    $0x1,%edi
  call   <uwsgi_exit@plt>
  jmp    L7
  nopl   0x0(%rax,%rax,1)
L44:
  mov    %r13,%rsi
  lea    D4(%rip),%rdi
  call   <uwsgi_log@plt>
  mov    $0x1,%edi
  call   <uwsgi_exit@plt>
  jmp    L32
  nopl   0x0(%rax,%rax,1)
L55:
  mov    %r12,%rsi
  lea    D16(%rip),%rdi
  call   <uwsgi_log@plt>
  mov    $0x1,%edi
  call   <uwsgi_exit@plt>
  jmp    L48
```

tool_calls: name: parse_data
arguments: tag: D0
data_type: string
name: parse_data
arguments: tag: D27
data_type: string
name: parse_data
arguments: tag: D4
data_type: string
name: parse_data
arguments: tag: D16
data_type: string

tool: 

tool: D27: [uwsgi-legion] invalid option name (%s), this should not happen (possible bug)


tool: D4: [uwsgi-legion] invalid %s syntax, must be <legion> <action>


tool: D16: [uwsgi-legion] unknown legion: %s


assistant: ```c
void uwsgi_opt_legion_hook(char *opt, char *value, void *foobar) {
  char *event = strchr(opt, '-');
  if (!event) {
    uwsgi_log("[uwsgi-legion] invalid option name (%s), this should not happen (possible bug)\n", opt);
    uwsgi_exit(1);
  }
  char *legion = uwsgi_concat2(value, (char *)"");
  char *space = strchr(legion, ' ');
  if (!space) {
    uwsgi_log("[uwsgi-legion] invalid %s syntax, must be <legion> <action>\n", opt);
    uwsgi_exit(1);
  }
  *space = 0;
  struct uwsgi_legion *ul = uwsgi_legion_get_by_name(legion);
  if (!ul) {
    uwsgi_log("[uwsgi-legion] unknown legion: %s\n", legion);
    uwsgi_exit(1);
  }
  uwsgi_legion_register_hook(ul, event + 1, space + 1);
}
```
user: Translate the below assembly code into C programming language:

```asm
<getter_string>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    (%rax),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,-0xc(%rbp)
  cmpl   $0x0,-0xc(%rbp)
  je     L13
  mov    -0x8(%rbp),%rax
  mov    (%rax),%rax
  lea    0x1(%rax),%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,(%rax)
  mov    -0xc(%rbp),%eax
  jmp    L7
L13:
  mov    D3(%rip),%rax
  mov    (%rax),%eax
L7:
  pop    %rbp
  ret
```

assistant: ```c
int getter_string(void *cookie) {
  char **pt = (char **)cookie;
  int ch = **pt;
  if (ch) {
    (*pt)++;
    return (ch);
  }
  return (EOF);
}
```
user: What is the c source code of the assembly code below:

```asm
<getter_string>:
  endbr64
  mov    (%rdi),%rdx
  movsbl (%rdx),%eax
  test   %eax,%eax
  jne    L9
  mov    D5(%rip),%rax
  mov    (%rax),%eax
  ret
L9:
  add    $0x1,%rdx
  mov    %rdx,(%rdi)
  ret
```

assistant: ```c
int getter_string(void *cookie) {
  char **pt = (char **)cookie;
  int ch = **pt;
  if (ch) {
    (*pt)++;
    return (ch);
  }
  return (EOF);
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<getter_string>:
  endbr64
  mov    (%rdi),%rdx
  movsbl (%rdx),%eax
  test   %eax,%eax
  jne    L9
  mov    D2(%rip),%rax
  mov    (%rax),%eax
  ret
  nopl   0x0(%rax,%rax,1)
L9:
  add    $0x1,%rdx
  mov    %rdx,(%rdi)
  ret
```

assistant: ```c
int getter_string(void *cookie) {
  char **pt = (char **)cookie;
  int ch = **pt;
  if (ch) {
    (*pt)++;
    return (ch);
  }
  return (EOF);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<getter_string>:
  endbr64
  mov    (%rdi),%rdx
  movsbl (%rdx),%eax
  test   %eax,%eax
  jne    L5
  mov    D0(%rip),%rax
  mov    (%rax),%eax
  ret
  nopl   0x0(%rax,%rax,1)
L5:
  add    $0x1,%rdx
  mov    %rdx,(%rdi)
  ret
```

assistant: ```c
int getter_string(void *cookie) {
  char **pt = (char **)cookie;
  int ch = **pt;
  if (ch) {
    (*pt)++;
    return (ch);
  }
  return (EOF);
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<image_from_file>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <filesize@plt>
  mov    %rax,-0x20(%rbp)
  cmpq   $0xffffffffffffffff,-0x20(%rbp)
  jne    L17
  mov    $0x0,%eax
  jmp    L18
L17:
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rax,-0x18(%rbp)
  mov    -0x20(%rbp),%rdx
  mov    -0x18(%rbp),%rcx
  mov    -0x28(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <read_file_to_mem@plt>
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <get_filename_ext@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rdx
  mov    -0x20(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <image_from_mem_buf@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x8(%rbp),%rax
L18:
  leave
  ret
```

assistant: ```c
struct image *image_from_file(const char *fpath) {
  long filesz = filesize(fpath);
  if (filesz == -1)
    return 0;
  unsigned char *data_buf = malloc(filesz);
  read_file_to_mem(fpath, data_buf, filesz);
  const char *ext = get_filename_ext(fpath);
  struct image *im = image_from_mem_buf(data_buf, filesz, ext);
  free(data_buf);
  return im;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<image_from_file>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  call   <filesize@plt>
  cmp    $0xffffffffffffffff,%rax
  je     L9
  mov    %rax,%rbx
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rax,%r12
  mov    %rbx,%rdx
  mov    %rax,%rsi
  mov    %rbp,%rdi
  call   <read_file_to_mem@plt>
  mov    %rbp,%rdi
  call   <get_filename_ext@plt>
  mov    %rax,%rdx
  mov    %rbx,%rsi
  mov    %r12,%rdi
  call   <image_from_mem_buf@plt>
  mov    %rax,%rbx
  mov    %r12,%rdi
  call   <free@plt>
L13:
  mov    %rbx,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L9:
  mov    $0x0,%ebx
  jmp    L13
```

assistant: ```c
struct image *image_from_file(const char *fpath) {
  long filesz = filesize(fpath);
  if (filesz == -1)
    return 0;
  unsigned char *data_buf = malloc(filesz);
  read_file_to_mem(fpath, data_buf, filesz);
  const char *ext = get_filename_ext(fpath);
  struct image *im = image_from_mem_buf(data_buf, filesz, ext);
  free(data_buf);
  return im;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<image_from_file>:
  endbr64
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  call   <filesize@plt>
  cmp    $0xffffffffffffffff,%rax
  je     L3
  mov    %rax,%rdi
  mov    %rax,%rbp
  call   <malloc@plt>
  mov    %rbp,%rdx
  mov    %r12,%rdi
  mov    %rax,%rsi
  mov    %rax,%r13
  call   <read_file_to_mem@plt>
  mov    %r12,%rdi
  call   <get_filename_ext@plt>
  mov    %rbp,%rsi
  mov    %r13,%rdi
  mov    %rax,%rdx
  call   <image_from_mem_buf@plt>
  mov    %r13,%rdi
  mov    %rax,%r12
  call   <free@plt>
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   (%rax)
L3:
  xor    %r12d,%r12d
  pop    %rbp
  mov    %r12,%rax
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
struct image *image_from_file(const char *fpath) {
  long filesz = filesize(fpath);
  if (filesz == -1)
    return 0;
  unsigned char *data_buf = malloc(filesz);
  read_file_to_mem(fpath, data_buf, filesz);
  const char *ext = get_filename_ext(fpath);
  struct image *im = image_from_mem_buf(data_buf, filesz, ext);
  free(data_buf);
  return im;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<image_from_file>:
  endbr64
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  call   <filesize@plt>
  cmp    $0xffffffffffffffff,%rax
  je     L1
  mov    %rax,%rdi
  mov    %rax,%rbp
  call   <malloc@plt>
  mov    %rbp,%rdx
  mov    %r12,%rdi
  mov    %rax,%rsi
  mov    %rax,%r13
  call   <read_file_to_mem@plt>
  mov    %r12,%rdi
  call   <get_filename_ext@plt>
  mov    %rbp,%rsi
  mov    %r13,%rdi
  mov    %rax,%rdx
  call   <image_from_mem_buf@plt>
  mov    %r13,%rdi
  mov    %rax,%r12
  call   <free@plt>
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   (%rax)
L1:
  xor    %r12d,%r12d
  pop    %rbp
  mov    %r12,%rax
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
struct image *image_from_file(const char *fpath) {
  long filesz = filesize(fpath);
  if (filesz == -1)
    return 0;
  unsigned char *data_buf = malloc(filesz);
  read_file_to_mem(fpath, data_buf, filesz);
  const char *ext = get_filename_ext(fpath);
  struct image *im = image_from_mem_buf(data_buf, filesz, ext);
  free(data_buf);
  return im;
}
```