ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<serverinfo_srv_add_cb>:
  endbr64
  push   %r13
  mov    %rdx,%r13
  push   %r12
  mov    %esi,%r12d
  push   %rbx
  mov    %rcx,%rbx
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%rdx
  lea    0x8(%rsp),%rsi
  movq   $0x0,0x8(%rsp)
  movq   $0x0,0x10(%rsp)
  call   <ssl_get_server_cert_serverinfo@plt>
  test   %rax,%rax
  jne    L21
L34:
  mov    $0xffffffff,%eax
L47:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L3
  add    $0x20,%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax,%rax,1)
L21:
  mov    0x10(%rsp),%rsi
  mov    0x8(%rsp),%rdi
  mov    %rbx,%r8
  mov    %r13,%rcx
  mov    %r12d,%edx
  call   <serverinfo_find_extension@plt>
  test   %eax,%eax
  je     L47
  cmp    $0xffffffff,%eax
  je     L34
  mov    $0x1,%eax
  jmp    L47
L3:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int serverinfo_srv_add_cb(SSL *s, unsigned int ext_type, const unsigned char **out, size_t *outlen, int *al, void *arg) {
  const unsigned char *serverinfo = NULL;
  size_t serverinfo_length = 0;
  if ((ssl_get_server_cert_serverinfo(s, &serverinfo, &serverinfo_length)) != 0) {
    int retval = serverinfo_find_extension(serverinfo, serverinfo_length, ext_type, out, outlen);
    if (retval == 0)
      return 0;
    if (retval == -1)
      return -1;
    return 1;
  }
  return -1;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<serverinfo_srv_add_cb>:
  endbr64
  push   %r13
  mov    %rdx,%r13
  push   %r12
  mov    %esi,%r12d
  push   %rbx
  mov    %rcx,%rbx
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%rdx
  lea    0x8(%rsp),%rsi
  movq   $0x0,0x8(%rsp)
  movq   $0x0,0x10(%rsp)
  call   <ssl_get_server_cert_serverinfo@plt>
  test   %rax,%rax
  jne    L13
L25:
  mov    $0xffffffff,%eax
L35:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L7
  add    $0x20,%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax,%rax,1)
L13:
  mov    0x10(%rsp),%rsi
  mov    0x8(%rsp),%rdi
  mov    %rbx,%r8
  mov    %r13,%rcx
  mov    %r12d,%edx
  call   <serverinfo_find_extension@plt>
  test   %eax,%eax
  je     L35
  cmp    $0xffffffff,%eax
  je     L25
  mov    $0x1,%eax
  jmp    L35
L7:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int serverinfo_srv_add_cb(SSL *s, unsigned int ext_type, const unsigned char **out, size_t *outlen, int *al, void *arg) {
  const unsigned char *serverinfo = NULL;
  size_t serverinfo_length = 0;
  if ((ssl_get_server_cert_serverinfo(s, &serverinfo, &serverinfo_length)) != 0) {
    int retval = serverinfo_find_extension(serverinfo, serverinfo_length, ext_type, out, outlen);
    if (retval == 0)
      return 0;
    if (retval == -1)
      return -1;
    return 1;
  }
  return -1;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<quit>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0xd0,%rsp
  mov    %edi,-0xc4(%rbp)
  mov    %rsi,-0xd0(%rbp)
  mov    %rdx,-0xa0(%rbp)
  mov    %rcx,-0x98(%rbp)
  mov    %r8,-0x90(%rbp)
  mov    %r9,-0x88(%rbp)
  test   %al,%al
  je     L3
  movaps %xmm0,-0x80(%rbp)
  movaps %xmm1,-0x70(%rbp)
  movaps %xmm2,-0x60(%rbp)
  movaps %xmm3,-0x50(%rbp)
  movaps %xmm4,-0x40(%rbp)
  movaps %xmm5,-0x30(%rbp)
  movaps %xmm6,-0x20(%rbp)
  movaps %xmm7,-0x10(%rbp)
L3:
  mov    -0xd0(%rbp),%rdx
  mov    -0xb4(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <va_start@plt>
  mov    D5(%rip),%rax
  mov    (%rax),%eax
  mov    -0xb4(%rbp),%edx
  mov    -0xd0(%rbp),%rcx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <vfprintf@plt>
  mov    -0xb4(%rbp),%eax
  mov    %eax,%edi
  call   <va_end@plt>
  mov    D5(%rip),%rax
  mov    (%rax),%eax
  mov    %eax,%esi
  mov    $0xa,%edi
  call   <putc@plt>
  mov    -0xc4(%rbp),%eax
  mov    %eax,%edi
  call   <exit@plt>
  nop
  leave
  ret
```

assistant: ```c
void quit(int code, char *fmt, ...) {
  va_list args;
  va_start(args, fmt);
  vfprintf(stderr, fmt, args);
  va_end(args);
  putc('\n', stderr);
  exit(code);
}
```
user: What is the c source code of the assembly code below:

```asm
<quit>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edi,%ebp
  mov    %rsi,%rbx
  mov    $0x0,%r12d
  mov    %r12d,%edi
  call   <va_start@plt>
  mov    D5(%rip),%r13
  mov    %r12d,%edx
  mov    %rbx,%rsi
  mov    0x0(%r13),%edi
  call   <vfprintf@plt>
  mov    %r12d,%edi
  call   <va_end@plt>
  mov    0x0(%r13),%esi
  mov    $0xa,%edi
  call   <putc@plt>
  mov    %ebp,%edi
  call   <exit@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void quit(int code, char *fmt, ...) {
  va_list args;
  va_start(args, fmt);
  vfprintf(stderr, fmt, args);
  va_end(args);
  putc('\n', stderr);
  exit(code);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<quit>:
  endbr64
  push   %r13
  xor    %r13d,%r13d
  push   %r12
  mov    %edi,%r12d
  mov    %r13d,%edi
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <va_start@plt>
  mov    D5(%rip),%rbx
  mov    %r13d,%edx
  mov    %rbp,%rsi
  mov    (%rbx),%edi
  call   <vfprintf@plt>
  mov    %r13d,%edi
  call   <va_end@plt>
  mov    (%rbx),%esi
  mov    $0xa,%edi
  call   <putc@plt>
  mov    %r12d,%edi
  call   <exit@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void quit(int code, char *fmt, ...) {
  va_list args;
  va_start(args, fmt);
  vfprintf(stderr, fmt, args);
  va_end(args);
  putc('\n', stderr);
  exit(code);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<quit>:
  endbr64
  push   %r13
  xor    %r13d,%r13d
  push   %r12
  mov    %edi,%r12d
  mov    %r13d,%edi
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <va_start@plt>
  mov    D0(%rip),%rbx
  mov    %r13d,%edx
  mov    %rbp,%rsi
  mov    (%rbx),%edi
  call   <vfprintf@plt>
  mov    %r13d,%edi
  call   <va_end@plt>
  mov    (%rbx),%esi
  mov    $0xa,%edi
  call   <putc@plt>
  mov    %r12d,%edi
  call   <exit@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void quit(int code, char *fmt, ...) {
  va_list args;
  va_start(args, fmt);
  vfprintf(stderr, fmt, args);
  va_end(args);
  putc('\n', stderr);
  exit(code);
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<speed_bigint_mul128>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x90,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0x84(%rbp)
  jmp    L18
L2:
  mov    $0x0,%eax
  call   <cpucycles@plt>
  mov    -0x84(%rbp),%edx
  movslq %edx,%rdx
  mov    %rax,-0x80(%rbp,%rdx,8)
  lea    -0x30(%rbp),%rdx
  lea    -0x30(%rbp),%rcx
  lea    -0x30(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <bigint_mul128@plt>
  addl   $0x1,-0x84(%rbp)
L18:
  cmpl   $0x9,-0x84(%rbp)
  jle    L2
  lea    -0x80(%rbp),%rax
  mov    $0xa,%edx
  mov    %rax,%rsi
  lea    D5(%rip),%rax
  mov    %rax,%rdi
  call   <print_bench@plt>
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L27
  call   <__stack_chk_fail@plt>
L27:
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D5
data_type: string

tool: D5: bigint_mul128

assistant: ```c
void speed_bigint_mul128() {
  unsigned long long t[10];
  int i;
  unsigned char r[32];
  for (i = 0; i < 10; i++) {
    t[i] = cpucycles();
    bigint_mul128(r, r, r);
  }
  print_bench("bigint_mul128", t, 10);
}
```
user: What is the c source code of the assembly code below?

```asm
<speed_bigint_mul128>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  add    $0xffffffffffffff80,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x78(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbx
  lea    0x50(%rsp),%r12
  mov    %r12,%rbp
L4:
  mov    $0x0,%eax
  call   <cpucycles@plt>
  mov    %rax,(%rbx)
  mov    %rbp,%rdx
  mov    %rbp,%rsi
  mov    %rbp,%rdi
  call   <bigint_mul128@plt>
  add    $0x8,%rbx
  cmp    %r12,%rbx
  jne    L4
  mov    %rsp,%rsi
  mov    $0xa,%edx
  lea    D2(%rip),%rdi
  call   <print_bench@plt>
  mov    0x78(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L0
  sub    $0xffffffffffffff80,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L0:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_label: D2
type_guessed: string

tool: D2: bigint_mul128

assistant: ```c
void speed_bigint_mul128() {
  unsigned long long t[10];
  int i;
  unsigned char r[32];
  for (i = 0; i < 10; i++) {
    t[i] = cpucycles();
    bigint_mul128(r, r, r);
  }
  print_bench("bigint_mul128", t, 10);
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<speed_bigint_mul128>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  add    $0xffffffffffffff80,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x78(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r12
  lea    0x50(%rsp),%rbx
  mov    %r12,%rbp
  nopw   0x0(%rax,%rax,1)
L6:
  xor    %eax,%eax
  add    $0x8,%rbp
  call   <cpucycles@plt>
  mov    %rbx,%rdx
  mov    %rbx,%rsi
  mov    %rbx,%rdi
  mov    %rax,-0x8(%rbp)
  call   <bigint_mul128@plt>
  cmp    %rbx,%rbp
  jne    L6
  mov    $0xa,%edx
  mov    %r12,%rsi
  lea    D1(%rip),%rdi
  call   <print_bench@plt>
  mov    0x78(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L2
  sub    $0xffffffffffffff80,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L2:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: label: D1
datatype: string

tool: D1: bigint_mul128

assistant: ```c
void speed_bigint_mul128() {
  unsigned long long t[10];
  int i;
  unsigned char r[32];
  for (i = 0; i < 10; i++) {
    t[i] = cpucycles();
    bigint_mul128(r, r, r);
  }
  print_bench("bigint_mul128", t, 10);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<speed_bigint_mul128>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  add    $0xffffffffffffff80,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x78(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r12
  lea    0x50(%rsp),%rbx
  mov    %r12,%rbp
  nopw   0x0(%rax,%rax,1)
L12:
  xor    %eax,%eax
  add    $0x8,%rbp
  call   <cpucycles@plt>
  mov    %rbx,%rdx
  mov    %rbx,%rsi
  mov    %rbx,%rdi
  mov    %rax,-0x8(%rbp)
  call   <bigint_mul128@plt>
  cmp    %rbx,%rbp
  jne    L12
  mov    $0xa,%edx
  mov    %r12,%rsi
  lea    D1(%rip),%rdi
  call   <print_bench@plt>
  mov    0x78(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L5
  sub    $0xffffffffffffff80,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L5:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_label: D1
type_guessed: string

tool: D1: bigint_mul128

assistant: ```c
void speed_bigint_mul128() {
  unsigned long long t[10];
  int i;
  unsigned char r[32];
  for (i = 0; i < 10; i++) {
    t[i] = cpucycles();
    bigint_mul128(r, r, r);
  }
  print_bench("bigint_mul128", t, 10);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<numeric>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  mov    %rdi,-0x10(%rbp)
  mov    -0x10(%rbp),%rbx
  jmp    L20
L0:
  movzbl (%rbx),%eax
  cmp    $0x2f,%al
  jle    L8
  movzbl (%rbx),%eax
  cmp    $0x39,%al
  jle    L47
L8:
  mov    $0x0,%eax
  jmp    L34
L47:
  add    $0x1,%rbx
L20:
  movzbl (%rbx),%eax
  test   %al,%al
  jne    L0
  mov    $0x1,%eax
L34:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
int numeric(char *ns) {
  register char *s = ns;
  while (*s)
    if (*s < '0' || *s > '9')
      return (0);
    else
      s++;
  return (1);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<numeric>:
  endbr64
  movzbl (%rdi),%eax
  test   %al,%al
  je     L7
L11:
  sub    $0x30,%eax
  cmp    $0x9,%al
  ja     L9
  add    $0x1,%rdi
  movzbl (%rdi),%eax
  test   %al,%al
  jne    L11
  mov    $0x1,%eax
  ret
L7:
  mov    $0x1,%eax
  ret
L9:
  mov    $0x0,%eax
  ret
```

assistant: ```c
int numeric(char *ns) {
  register char *s = ns;
  while (*s)
    if (*s < '0' || *s > '9')
      return (0);
    else
      s++;
  return (1);
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<numeric>:
  endbr64
  jmp    L24
  cs nopw 0x0(%rax,%rax,1)
L4:
  sub    $0x30,%eax
  cmp    $0x9,%al
  ja     L15
  add    $0x1,%rdi
L24:
  movzbl (%rdi),%eax
  test   %al,%al
  jne    L4
  mov    $0x1,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L15:
  xor    %eax,%eax
  ret
```

assistant: ```c
int numeric(char *ns) {
  register char *s = ns;
  while (*s)
    if (*s < '0' || *s > '9')
      return (0);
    else
      s++;
  return (1);
}
```
user: Translate the below assembly code into C programming language:

```asm
<numeric>:
  endbr64
  jmp    L13
  cs nopw 0x0(%rax,%rax,1)
L29:
  sub    $0x30,%eax
  cmp    $0x9,%al
  ja     L24
  add    $0x1,%rdi
L13:
  movzbl (%rdi),%eax
  test   %al,%al
  jne    L29
  mov    $0x1,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L24:
  xor    %eax,%eax
  ret
```

assistant: ```c
int numeric(char *ns) {
  register char *s = ns;
  while (*s)
    if (*s < '0' || *s > '9')
      return (0);
    else
      s++;
  return (1);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<set_pwm>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  mov    %esi,-0x8(%rbp)
  mov    %edx,-0xc(%rbp)
  mov    %ecx,-0x10(%rbp)
  subl   $0x1,-0x4(%rbp)
  mov    -0x8(%rbp),%eax
  movzbl %al,%edx
  mov    -0x4(%rbp),%eax
  shl    $0x2,%eax
  lea    0x6(%rax),%ecx
  mov    -0x10(%rbp),%eax
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <write_byte_data@plt>
  mov    -0x8(%rbp),%eax
  sar    $0x8,%eax
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  shl    $0x2,%eax
  lea    0x7(%rax),%ecx
  mov    -0x10(%rbp),%eax
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <write_byte_data@plt>
  mov    -0xc(%rbp),%eax
  movzbl %al,%edx
  mov    -0x4(%rbp),%eax
  add    $0x2,%eax
  lea    0x0(,%rax,4),%ecx
  mov    -0x10(%rbp),%eax
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <write_byte_data@plt>
  mov    -0xc(%rbp),%eax
  sar    $0x8,%eax
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  shl    $0x2,%eax
  lea    0x9(%rax),%ecx
  mov    -0x10(%rbp),%eax
  mov    %ecx,%esi
  mov    %eax,%edi
  call   <write_byte_data@plt>
  nop
  leave
  ret
```

assistant: ```c
void set_pwm(uint8_t channel, uint16_t on, uint16_t off, uint8_t address) {
  channel -= 1;
  write_byte_data(address, 0x06 + 4 * channel, on & 0xFF);
  write_byte_data(address, 0x07 + 4 * channel, on >> 8);
  write_byte_data(address, 0x08 + 4 * channel, off & 0xFF);
  write_byte_data(address, 0x09 + 4 * channel, off >> 8);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<set_pwm>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %esi,%r13d
  mov    %edx,%r12d
  mov    %ecx,%ebx
  lea    -0x4(,%rdi,4),%ebp
  movzbl %sil,%edx
  lea    0x6(%rbp),%esi
  mov    %ecx,%edi
  call   <write_byte_data@plt>
  mov    %r13d,%edx
  sar    $0x8,%edx
  lea    0x7(%rbp),%esi
  mov    %ebx,%edi
  call   <write_byte_data@plt>
  movzbl %r12b,%edx
  lea    0x8(%rbp),%esi
  mov    %ebx,%edi
  call   <write_byte_data@plt>
  mov    %r12d,%edx
  sar    $0x8,%edx
  lea    0x9(%rbp),%esi
  mov    %ebx,%edi
  call   <write_byte_data@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void set_pwm(uint8_t channel, uint16_t on, uint16_t off, uint8_t address) {
  channel -= 1;
  write_byte_data(address, 0x06 + 4 * channel, on & 0xFF);
  write_byte_data(address, 0x07 + 4 * channel, on >> 8);
  write_byte_data(address, 0x08 + 4 * channel, off & 0xFF);
  write_byte_data(address, 0x09 + 4 * channel, off >> 8);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<set_pwm>:
  endbr64
  push   %r13
  mov    %esi,%r13d
  push   %r12
  mov    %edx,%r12d
  movzbl %sil,%edx
  push   %rbp
  mov    %ecx,%ebp
  push   %rbx
  lea    -0x4(,%rdi,4),%ebx
  mov    %ecx,%edi
  lea    0x6(%rbx),%esi
  sub    $0x8,%rsp
  call   <write_byte_data@plt>
  mov    %r13d,%edx
  lea    0x7(%rbx),%esi
  mov    %ebp,%edi
  sar    $0x8,%edx
  call   <write_byte_data@plt>
  movzbl %r12b,%edx
  lea    0x8(%rbx),%esi
  mov    %ebp,%edi
  call   <write_byte_data@plt>
  add    $0x8,%rsp
  mov    %r12d,%edx
  lea    0x9(%rbx),%esi
  mov    %ebp,%edi
  pop    %rbx
  sar    $0x8,%edx
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    1050 <write_byte_data@plt>
```

assistant: ```c
void set_pwm(uint8_t channel, uint16_t on, uint16_t off, uint8_t address) {
  channel -= 1;
  write_byte_data(address, 0x06 + 4 * channel, on & 0xFF);
  write_byte_data(address, 0x07 + 4 * channel, on >> 8);
  write_byte_data(address, 0x08 + 4 * channel, off & 0xFF);
  write_byte_data(address, 0x09 + 4 * channel, off >> 8);
}
```
user: What is the c source code of the assembly code below?

```asm
<set_pwm>:
  endbr64
  push   %r13
  mov    %esi,%r13d
  push   %r12
  mov    %edx,%r12d
  movzbl %sil,%edx
  push   %rbp
  mov    %ecx,%ebp
  push   %rbx
  lea    -0x4(,%rdi,4),%ebx
  mov    %ecx,%edi
  lea    0x6(%rbx),%esi
  sub    $0x8,%rsp
  call   <write_byte_data@plt>
  mov    %r13d,%edx
  lea    0x7(%rbx),%esi
  mov    %ebp,%edi
  sar    $0x8,%edx
  call   <write_byte_data@plt>
  movzbl %r12b,%edx
  lea    0x8(%rbx),%esi
  mov    %ebp,%edi
  call   <write_byte_data@plt>
  add    $0x8,%rsp
  mov    %r12d,%edx
  lea    0x9(%rbx),%esi
  mov    %ebp,%edi
  pop    %rbx
  sar    $0x8,%edx
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    1050 <write_byte_data@plt>
```

assistant: ```c
void set_pwm(uint8_t channel, uint16_t on, uint16_t off, uint8_t address) {
  channel -= 1;
  write_byte_data(address, 0x06 + 4 * channel, on & 0xFF);
  write_byte_data(address, 0x07 + 4 * channel, on >> 8);
  write_byte_data(address, 0x08 + 4 * channel, off & 0xFF);
  write_byte_data(address, 0x09 + 4 * channel, off >> 8);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<freeup>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    -0x1c(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,-0x4(%rbp)
  jmp    L0
L2:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  test   %rax,%rax
  je     L22
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,%rdi
  call   <freestring@plt>
L22:
  subl   $0x1,-0x4(%rbp)
L0:
  cmpl   $0x0,-0x4(%rbp)
  jns    L2
  nop
  nop
  leave
  ret
```

assistant: ```c
void freeup(char *strpt[], int numpt) {
  int i;
  for (i = numpt - 1; i >= 0; i--) {
    if (strpt[i] != NULL)
      freestring(&strpt[i]);
  }
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<freeup>:
  endbr64
  mov    %esi,%eax
  sub    $0x1,%eax
  js     L8
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  cltq
  shl    $0x3,%rax
  lea    (%rdi,%rax,1),%rbx
  lea    -0x8(%rdi,%rax,1),%rbp
  lea    -0x1(%rsi),%eax
  shl    $0x3,%rax
  sub    %rax,%rbp
  jmp    L36
L21:
  sub    $0x8,%rbx
  cmp    %rbp,%rbx
  je     L9
L36:
  cmpq   $0x0,(%rbx)
  je     L21
  mov    %rbx,%rdi
  call   <freestring@plt>
  jmp    L21
L9:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L8:
  ret
```

assistant: ```c
void freeup(char *strpt[], int numpt) {
  int i;
  for (i = numpt - 1; i >= 0; i--) {
    if (strpt[i] != NULL)
      freestring(&strpt[i]);
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<freeup>:
  endbr64
  sub    $0x1,%esi
  js     L19
  push   %rbp
  movslq %esi,%rax
  mov    %esi,%esi
  push   %rbx
  shl    $0x3,%rax
  shl    $0x3,%rsi
  lea    -0x8(%rdi,%rax,1),%rbp
  lea    (%rdi,%rax,1),%rbx
  sub    %rsi,%rbp
  sub    $0x8,%rsp
  nopl   0x0(%rax,%rax,1)
L24:
  cmpq   $0x0,(%rbx)
  je     L14
  mov    %rbx,%rdi
  call   <freestring@plt>
L14:
  sub    $0x8,%rbx
  cmp    %rbp,%rbx
  jne    L24
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  xchg   %ax,%ax
L19:
  ret
```

assistant: ```c
void freeup(char *strpt[], int numpt) {
  int i;
  for (i = numpt - 1; i >= 0; i--) {
    if (strpt[i] != NULL)
      freestring(&strpt[i]);
  }
}
```
user: What is the c source code of the assembly code below:

```asm
<freeup>:
  endbr64
  sub    $0x1,%esi
  js     L5
  push   %rbp
  movslq %esi,%rax
  mov    %esi,%esi
  push   %rbx
  shl    $0x3,%rax
  shl    $0x3,%rsi
  lea    -0x8(%rdi,%rax,1),%rbp
  lea    (%rdi,%rax,1),%rbx
  sub    %rsi,%rbp
  sub    $0x8,%rsp
  nopl   0x0(%rax,%rax,1)
L8:
  cmpq   $0x0,(%rbx)
  je     L11
  mov    %rbx,%rdi
  call   <freestring@plt>
L11:
  sub    $0x8,%rbx
  cmp    %rbp,%rbx
  jne    L8
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  xchg   %ax,%ax
L5:
  ret
```

assistant: ```c
void freeup(char *strpt[], int numpt) {
  int i;
  for (i = numpt - 1; i >= 0; i--) {
    if (strpt[i] != NULL)
      freestring(&strpt[i]);
  }
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<strtrim>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  jmp    L52
L16:
  addq   $0x1,-0x10(%rbp)
L52:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L16
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L36
  mov    -0x10(%rbp),%rax
  jmp    L38
L36:
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  cltq
  lea    -0x1(%rax),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x8(%rbp)
  jmp    L49
L13:
  subq   $0x1,-0x8(%rbp)
L49:
  mov    -0x8(%rbp),%rax
  cmp    -0x10(%rbp),%rax
  jbe    L32
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L13
L32:
  addq   $0x1,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x10(%rbp),%rax
L38:
  leave
  ret
```

assistant: ```c
char *strtrim(char *string) {
  char *s, *t;
  for (s = string; isspace(*s); s++)
    ;
  if (*s == 0)
    return s;
  t = s + strlen(s) - 1;
  while (t > s && isspace(*t))
    t--;
  *++t = '\0';
  return s;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<strtrim>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  jmp    L2
L44:
  add    $0x1,%rbx
L2:
  movsbl (%rbx),%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L44
  cmpb   $0x0,(%rbx)
  jne    L56
L47:
  mov    %rbx,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L56:
  mov    %rbx,%rdi
  call   <strlen@plt>
  cltq
  lea    -0x1(%rbx,%rax,1),%rbp
  cmp    %rbp,%rbx
  jae    L21
L49:
  movsbl 0x0(%rbp),%edi
  call   <isspace@plt>
  test   %rax,%rax
  je     L21
  sub    $0x1,%rbp
  cmp    %rbp,%rbx
  jne    L49
L21:
  movb   $0x0,0x1(%rbp)
  jmp    L47
```

assistant: ```c
char *strtrim(char *string) {
  char *s, *t;
  for (s = string; isspace(*s); s++)
    ;
  if (*s == 0)
    return s;
  t = s + strlen(s) - 1;
  while (t > s && isspace(*t))
    t--;
  *++t = '\0';
  return s;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<strtrim>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbx
  sub    $0x8,%rsp
  jmp    L40
L15:
  add    $0x1,%r12
L40:
  movsbl (%r12),%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L15
  cmpb   $0x0,(%r12)
  jne    L23
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %r12
  ret
  nopl   (%rax)
L23:
  mov    %r12,%rdi
  call   <strlen@plt>
  cltq
  lea    -0x1(%r12,%rax,1),%rbx
  cmp    %rbx,%r12
  jb     L8
  jmp    L45
  xchg   %ax,%ax
L50:
  sub    $0x1,%rbx
  cmp    %rbx,%r12
  je     L45
L8:
  movsbl (%rbx),%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L50
L45:
  movb   $0x0,0x1(%rbx)
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %r12
  ret
```

assistant: ```c
char *strtrim(char *string) {
  char *s, *t;
  for (s = string; isspace(*s); s++)
    ;
  if (*s == 0)
    return s;
  t = s + strlen(s) - 1;
  while (t > s && isspace(*t))
    t--;
  *++t = '\0';
  return s;
}
```