ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请从给定的汇编指令推导出C源代码:

```asm
<rdrand_16>:
  endbr64
  push   %rbp
  xor    %eax,%eax
  mov    %esi,%ebp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x8,%rsp
  call   <RdRand_isSupported@plt>
  test   %rax,%rax
  je     L67
  test   %ebp,%ebp
  je     L123
  rdrand %ax
  setb   %dl
  mov    %eax,(%rbx)
  test   %dl,%dl
  jne    L14
  rdrand %ax
  setb   %dl
  mov    %eax,(%rbx)
  test   %dl,%dl
  jne    L14
  rdrand %ax
  setb   %dl
  mov    %eax,(%rbx)
  test   %dl,%dl
  jne    L14
  rdrand %ax
  setb   %dl
  mov    %eax,(%rbx)
  test   %dl,%dl
  jne    L14
  rdrand %ax
  setb   %dl
  mov    %eax,(%rbx)
  test   %dl,%dl
  jne    L14
  rdrand %ax
  setb   %dl
  mov    %eax,(%rbx)
  test   %dl,%dl
  jne    L14
  rdrand %ax
  setb   %dl
  mov    %eax,(%rbx)
  test   %dl,%dl
  jne    L14
  rdrand %ax
  setb   %dl
  mov    %eax,(%rbx)
  test   %dl,%dl
  jne    L14
  rdrand %ax
  setb   %dl
  mov    %eax,(%rbx)
  test   %dl,%dl
  jne    L14
  rdrand %ax
  setb   %dl
  mov    %eax,(%rbx)
  test   %dl,%dl
  jne    L14
L8:
  add    $0x8,%rsp
  mov    $0xffffffff,%eax
  pop    %rbx
  pop    %rbp
  ret
  nopl   (%rax)
L123:
  rdrand %ax
  setb   %dl
  mov    %eax,(%rbx)
  test   %dl,%dl
  je     L8
L14:
  mov    $0x1,%eax
L61:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L67:
  mov    $0xfffffffd,%eax
  jmp    L61
```

assistant: ```c
int rdrand_16(uint16_t *x, int retry) {
  if (RdRand_isSupported()) {
    if (retry) {
      int i;
      for (i = 0; i < 10; i++) {
        if (({
              unsigned char err;
              asm volatile(".byte 0x66; .byte 0x0f; .byte 0xc7; .byte 0xf0; setc %1" : "=a"(*x), "=qm"(err));
              err;
            }))
          return 1;
      }
      return -1;
    } else {
      if (({
            unsigned char err;
            asm volatile(".byte 0x66; .byte 0x0f; .byte 0xc7; .byte 0xf0; setc %1" : "=a"(*x), "=qm"(err));
            err;
          }))
        return 1;
      else
        return -1;
    }
  } else {
    return -3;
  }
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<test_real_timestamp>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    D7(%rip),%rax
  mov    %rax,-0x10(%rbp)
  lea    -0x14(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <read_unixtstamp@plt>
  mov    $0x0,%edi
  call   <assert@plt>
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L0
  call   <__stack_chk_fail@plt>
L0:
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D7
data_type: string

tool: D7: 1446253798.912215022

assistant: ```c
void test_real_timestamp() {
  char *str = "1446253798.912215022";
  uint64_t dest;
  read_unixtstamp(str, &dest);
  assert((dest / 1000000000) == 1446253798 && (dest % 1000000000) == 912215022);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<test_real_timestamp>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  lea    D0(%rip),%rdi
  call   <read_unixtstamp@plt>
  mov    $0x0,%edi
  call   <assert@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L5
  add    $0x18,%rsp
  ret
L5:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: tag: D0
type_infered: string

tool: D0: 1446253798.912215022

assistant: ```c
void test_real_timestamp() {
  char *str = "1446253798.912215022";
  uint64_t dest;
  read_unixtstamp(str, &dest);
  assert((dest / 1000000000) == 1446253798 && (dest % 1000000000) == 912215022);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<test_real_timestamp>:
  endbr64
  sub    $0x18,%rsp
  lea    D5(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  call   <read_unixtstamp@plt>
  xor    %edi,%edi
  call   <assert@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L6
  add    $0x18,%rsp
  ret
L6:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D5
type: string

tool: D5: 1446253798.912215022

assistant: ```c
void test_real_timestamp() {
  char *str = "1446253798.912215022";
  uint64_t dest;
  read_unixtstamp(str, &dest);
  assert((dest / 1000000000) == 1446253798 && (dest % 1000000000) == 912215022);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<test_real_timestamp>:
  endbr64
  sub    $0x18,%rsp
  lea    D0(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  call   <read_unixtstamp@plt>
  xor    %edi,%edi
  call   <assert@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L4
  add    $0x18,%rsp
  ret
L4:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: tag: D0
type: string

tool: D0: 1446253798.912215022

assistant: ```c
void test_real_timestamp() {
  char *str = "1446253798.912215022";
  uint64_t dest;
  read_unixtstamp(str, &dest);
  assert((dest / 1000000000) == 1446253798 && (dest % 1000000000) == 912215022);
}
```
user: What is the c source code of the assembly code below?

```asm
<bare_run>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  lea    D1(%rip),%rax
  mov    %rax,%rdi
  call   <test_msg@plt>
  mov    $0x0,%eax
  call   <test_daemon@plt>
  mov    $0x0,%eax
  call   <test_waitsig@plt>
  mov    $0x0,%eax
  pop    %rbp
  ret
```

tool_calls: name: disassemble_data
arguments: data_label: D1
type: string

tool: D1: Your cpu doesn't support ymm registers, skipping


assistant: ```c
int bare_run(void) {
  test_msg("Your cpu doesn't support ymm registers, skipping\n");
  test_daemon();
  test_waitsig();
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<bare_run>:
  endbr64
  sub    $0x8,%rsp
  lea    D4(%rip),%rdi
  call   <test_msg@plt>
  mov    $0x0,%eax
  call   <test_daemon@plt>
  mov    $0x0,%eax
  call   <test_waitsig@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: retrieve_data
arguments: data_label: D4
datatype: string

tool: D4: Your cpu doesn't support ymm registers, skipping


assistant: ```c
int bare_run(void) {
  test_msg("Your cpu doesn't support ymm registers, skipping\n");
  test_daemon();
  test_waitsig();
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<bare_run>:
  endbr64
  sub    $0x8,%rsp
  lea    D9(%rip),%rdi
  call   <test_msg@plt>
  xor    %eax,%eax
  call   <test_daemon@plt>
  xor    %eax,%eax
  call   <test_waitsig@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: read_data
arguments: tag: D9
type: string

tool: D9: Your cpu doesn't support ymm registers, skipping


assistant: ```c
int bare_run(void) {
  test_msg("Your cpu doesn't support ymm registers, skipping\n");
  test_daemon();
  test_waitsig();
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<bare_run>:
  endbr64
  sub    $0x8,%rsp
  lea    D8(%rip),%rdi
  call   <test_msg@plt>
  xor    %eax,%eax
  call   <test_daemon@plt>
  xor    %eax,%eax
  call   <test_waitsig@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D8
type_infered: string

tool: D8: Your cpu doesn't support ymm registers, skipping


assistant: ```c
int bare_run(void) {
  test_msg("Your cpu doesn't support ymm registers, skipping\n");
  test_daemon();
  test_waitsig();
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<read_data>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  movl   $0x1,-0x4(%rbp)
  jmp    L13
L15:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,%rsi
  lea    D8(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  addl   $0x1,-0x4(%rbp)
L13:
  mov    -0x4(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jle    L15
  nop
  nop
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D8
data_type: string

tool: D8: %d

assistant: ```c
void read_data(int *a, int size) {
  int i;
  for (i = 1; i <= size; ++i)
    scanf("%d", a + i);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<read_data>:
  endbr64
  test   %esi,%esi
  jle    L15
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %esi,%r12d
  lea    0x4(%rdi),%rbx
  mov    $0x1,%ebp
  lea    D4(%rip),%r13
L0:
  mov    %rbx,%rsi
  mov    %r13,%rdi
  call   <scanf@plt>
  add    $0x1,%ebp
  add    $0x4,%rbx
  cmp    %ebp,%r12d
  jge    L0
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L15:
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D4
type_infered: string

tool: D4: %d

assistant: ```c
void read_data(int *a, int size) {
  int i;
  for (i = 1; i <= size; ++i)
    scanf("%d", a + i);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<read_data>:
  endbr64
  test   %esi,%esi
  jle    L0
  push   %r13
  lea    D7(%rip),%r13
  push   %r12
  mov    %esi,%r12d
  push   %rbp
  mov    $0x1,%ebp
  push   %rbx
  lea    0x4(%rdi),%rbx
  sub    $0x8,%rsp
  nopl   (%rax)
L2:
  mov    %rbx,%rsi
  mov    %r13,%rdi
  add    $0x1,%ebp
  add    $0x4,%rbx
  call   <scanf@plt>
  cmp    %ebp,%r12d
  jge    L2
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopw   0x0(%rax,%rax,1)
L0:
  ret
```

tool_calls: name: disassemble_data
arguments: tag: D7
data_type: string

tool: D7: %d

assistant: ```c
void read_data(int *a, int size) {
  int i;
  for (i = 1; i <= size; ++i)
    scanf("%d", a + i);
}
```
user: What is the c source code of the assembly code below:

```asm
<read_data>:
  endbr64
  test   %esi,%esi
  jle    L11
  push   %r13
  lea    D0(%rip),%r13
  push   %r12
  mov    %esi,%r12d
  push   %rbp
  mov    $0x1,%ebp
  push   %rbx
  lea    0x4(%rdi),%rbx
  sub    $0x8,%rsp
  nopl   (%rax)
L3:
  mov    %rbx,%rsi
  mov    %r13,%rdi
  add    $0x1,%ebp
  add    $0x4,%rbx
  call   <scanf@plt>
  cmp    %ebp,%r12d
  jge    L3
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopw   0x0(%rax,%rax,1)
L11:
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D0
type: string

tool: D0: %d

assistant: ```c
void read_data(int *a, int size) {
  int i;
  for (i = 1; i <= size; ++i)
    scanf("%d", a + i);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<strtotimeval>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x18(%rbp),%rcx
  mov    -0x28(%rbp),%rax
  mov    $0xa,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strtol@plt>
  mov    -0x30(%rbp),%rdx
  mov    %eax,0x8(%rdx)
  movq   $0x0,-0x10(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2e,%al
  jne    L74
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x18(%rbp)
  movl   $0x0,-0x1c(%rbp)
  jmp    L94
L57:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  je     L26
  mov    -0x10(%rbp),%rdx
  mov    %rdx,%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  add    %rax,%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movzbl (%rax),%eax
  movsbl %al,%eax
  sub    $0x30,%eax
  cltq
  add    %rax,-0x10(%rbp)
  addl   $0x1,-0x1c(%rbp)
L94:
  cmpl   $0x5,-0x1c(%rbp)
  jle    L57
  jmp    L47
L26:
  nop
  jmp    L47
L81:
  mov    -0x10(%rbp),%rdx
  mov    %rdx,%rax
  shl    $0x2,%rax
  add    %rdx,%rax
  add    %rax,%rax
  mov    %rax,-0x10(%rbp)
  addl   $0x1,-0x1c(%rbp)
L47:
  cmpl   $0x5,-0x1c(%rbp)
  jle    L81
  jmp    L12
L50:
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x18(%rbp)
L12:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  jne    L50
L74:
  mov    -0x30(%rbp),%rax
  mov    -0x10(%rbp),%rdx
  mov    %rdx,(%rax)
  mov    -0x18(%rbp),%rax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L83
  call   <__stack_chk_fail@plt>
L83:
  leave
  ret
```

assistant: ```c
char *strtotimeval(const char *str, struct timeval *tv) {
  char *s;
  long fs;
  int i;
  tv->tv_sec = strtol(str, &s, 10);
  fs = 0;
  if (*s == '.') {
    s++;
    for (i = 0; i < 6; i++) {
      if (!isdigit(*s))
        break;
      fs *= 10;
      fs += *s++ - '0';
    }
    for (; i < 6; i++)
      fs *= 10;
    while (isdigit(*s))
      s++;
  }
  tv->tv_usec = fs;
  return s;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<strtotimeval>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x10,%rsp
  mov    %rsi,%r12
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  mov    $0xa,%edx
  call   <strtol@plt>
  mov    %eax,0x8(%r12)
  mov    (%rsp),%rax
  mov    $0x0,%ebx
  cmpb   $0x2e,(%rax)
  je     L63
L44:
  mov    %rbx,(%r12)
  mov    (%rsp),%rax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L93
  add    $0x10,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L63:
  add    $0x1,%rax
  mov    %rax,(%rsp)
  mov    $0x0,%ebp
L70:
  mov    (%rsp),%rax
  movsbl (%rax),%edi
  call   <isdigit@plt>
  test   %rax,%rax
  je     L30
  lea    (%rbx,%rbx,4),%rdx
  mov    (%rsp),%rax
  lea    0x1(%rax),%rcx
  mov    %rcx,(%rsp)
  movsbl (%rax),%eax
  sub    $0x30,%eax
  cltq
  lea    (%rax,%rdx,2),%rbx
  add    $0x1,%ebp
  cmp    $0x6,%ebp
  jne    L70
  jmp    L66
L30:
  cmp    $0x5,%ebp
  jg     L66
L42:
  lea    (%rbx,%rbx,4),%rbx
  add    %rbx,%rbx
  add    $0x1,%ebp
  cmp    $0x6,%ebp
  jne    L42
  jmp    L66
L50:
  addq   $0x1,(%rsp)
L66:
  mov    (%rsp),%rax
  movsbl (%rax),%edi
  call   <isdigit@plt>
  test   %rax,%rax
  jne    L50
  jmp    L44
L93:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
char *strtotimeval(const char *str, struct timeval *tv) {
  char *s;
  long fs;
  int i;
  tv->tv_sec = strtol(str, &s, 10);
  fs = 0;
  if (*s == '.') {
    s++;
    for (i = 0; i < 6; i++) {
      if (!isdigit(*s))
        break;
      fs *= 10;
      fs += *s++ - '0';
    }
    for (; i < 6; i++)
      fs *= 10;
    while (isdigit(*s))
      s++;
  }
  tv->tv_usec = fs;
  return s;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<strtotimeval>:
  endbr64
  push   %r12
  mov    $0xa,%edx
  mov    %rsi,%r12
  push   %rbp
  push   %rbx
  xor    %ebx,%ebx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  call   <strtol@plt>
  mov    %eax,0x8(%r12)
  mov    (%rsp),%rax
  cmpb   $0x2e,(%rax)
  je     L88
L67:
  mov    %rbx,(%r12)
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L70
  add    $0x10,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   (%rax)
L88:
  add    $0x1,%rax
  xor    %ebp,%ebp
  mov    %rax,(%rsp)
L17:
  movsbl (%rax),%edi
  call   <isdigit@plt>
  test   %rax,%rax
  je     L57
  mov    (%rsp),%rdx
  lea    (%rbx,%rbx,4),%rcx
  add    $0x1,%ebp
  lea    0x1(%rdx),%rax
  mov    %rax,(%rsp)
  movsbl (%rdx),%edx
  sub    $0x30,%edx
  movslq %edx,%rdx
  lea    (%rdx,%rcx,2),%rbx
  cmp    $0x6,%ebp
  jne    L17
  jmp    L31
  xchg   %ax,%ax
L19:
  add    $0x1,%rax
  mov    %rax,(%rsp)
L31:
  movsbl (%rax),%edi
  call   <isdigit@plt>
  test   %rax,%rax
  mov    (%rsp),%rax
  jne    L19
  jmp    L67
  nopl   0x0(%rax,%rax,1)
L57:
  mov    (%rsp),%rax
  nopl   0x0(%rax)
L37:
  lea    (%rbx,%rbx,4),%rbx
  add    $0x1,%ebp
  add    %rbx,%rbx
  cmp    $0x6,%ebp
  jne    L37
  jmp    L31
L70:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
char *strtotimeval(const char *str, struct timeval *tv) {
  char *s;
  long fs;
  int i;
  tv->tv_sec = strtol(str, &s, 10);
  fs = 0;
  if (*s == '.') {
    s++;
    for (i = 0; i < 6; i++) {
      if (!isdigit(*s))
        break;
      fs *= 10;
      fs += *s++ - '0';
    }
    for (; i < 6; i++)
      fs *= 10;
    while (isdigit(*s))
      s++;
  }
  tv->tv_usec = fs;
  return s;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<strtotimeval>:
  endbr64
  push   %r12
  mov    $0xa,%edx
  push   %rbp
  xor    %ebp,%ebp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  call   <strtol@plt>
  mov    %eax,0x8(%rbx)
  mov    (%rsp),%rax
  cmpb   $0x2e,(%rax)
  je     L49
L105:
  mov    %rbp,(%rbx)
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L56
  add    $0x10,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L49:
  add    $0x1,%rax
  xor    %r12d,%r12d
  mov    %rax,(%rsp)
L87:
  movsbl (%rax),%edi
  call   <isdigit@plt>
  test   %rax,%rax
  je     L18
  mov    (%rsp),%rdx
  lea    0x0(%rbp,%rbp,4),%rcx
  add    $0x1,%r12d
  lea    0x1(%rdx),%rax
  mov    %rax,(%rsp)
  movsbl (%rdx),%edx
  sub    $0x30,%edx
  movslq %edx,%rdx
  lea    (%rdx,%rcx,2),%rbp
  cmp    $0x6,%r12d
  jne    L87
  jmp    L48
  nopw   0x0(%rax,%rax,1)
L128:
  add    $0x1,%rax
  mov    %rax,(%rsp)
L48:
  movsbl (%rax),%edi
  call   <isdigit@plt>
  test   %rax,%rax
  mov    (%rsp),%rax
  jne    L128
  jmp    L105
  cs nopw 0x0(%rax,%rax,1)
L18:
  lea    0x0(%rbp,%rbp,4),%rdx
  mov    (%rsp),%rax
  lea    (%rdx,%rdx,1),%rcx
  cmp    $0x5,%r12d
  je     L88
  lea    (%rdx,%rdx,4),%rdx
  shl    $0x2,%rdx
  cmp    $0x4,%r12d
  je     L35
  imul   $0x3e8,%rbp,%rdx
  cmp    $0x3,%r12d
  je     L35
  imul   $0x2710,%rbp,%rcx
  lea    0x4(%r12),%edx
  cmp    $0x2,%r12d
  je     L88
  imul   $0x186a0,%rbp,%rcx
  cmp    $0x4,%edx
  jne    L88
  imul   $0xf4240,%rbp,%rbp
  jmp    L48
L88:
  mov    %rcx,%rbp
  jmp    L48
L35:
  mov    %rdx,%rbp
  jmp    L48
L56:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
char *strtotimeval(const char *str, struct timeval *tv) {
  char *s;
  long fs;
  int i;
  tv->tv_sec = strtol(str, &s, 10);
  fs = 0;
  if (*s == '.') {
    s++;
    for (i = 0; i < 6; i++) {
      if (!isdigit(*s))
        break;
      fs *= 10;
      fs += *s++ - '0';
    }
    for (; i < 6; i++)
      fs *= 10;
    while (isdigit(*s))
      s++;
  }
  tv->tv_usec = fs;
  return s;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<uninitvar_wmemcpy>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    -0x8(%rbp),%rdx
  mov    -0x10(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <wmemcpy@plt>
  nop
  leave
  ret
```

assistant: ```c
void uninitvar_wmemcpy(void) {
  wchar_t *cs;
  wchar_t *c;
  size_t n;
  (void)wmemcpy(cs, c, n);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<uninitvar_wmemcpy>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%edx
  mov    $0x0,%esi
  mov    $0x0,%edi
  call   <wmemcpy@plt>
  add    $0x8,%rsp
  ret
```

assistant: ```c
void uninitvar_wmemcpy(void) {
  wchar_t *cs;
  wchar_t *c;
  size_t n;
  (void)wmemcpy(cs, c, n);
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<uninitvar_wmemcpy>:
  endbr64
  xor    %edx,%edx
  xor    %esi,%esi
  xor    %edi,%edi
  jmp    1050 <wmemcpy@plt>
```

assistant: ```c
void uninitvar_wmemcpy(void) {
  wchar_t *cs;
  wchar_t *c;
  size_t n;
  (void)wmemcpy(cs, c, n);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<uninitvar_wmemcpy>:
  endbr64
  xor    %edx,%edx
  xor    %esi,%esi
  xor    %edi,%edi
  jmp    1050 <wmemcpy@plt>
```

assistant: ```c
void uninitvar_wmemcpy(void) {
  wchar_t *cs;
  wchar_t *c;
  size_t n;
  (void)wmemcpy(cs, c, n);
}
```
user: Translate the below assembly code into C programming language:

```asm
<get_os_name>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x18(%rbp)
  xor    %eax,%eax
  movq   $0x0,-0x20(%rbp)
  mov    D107(%rip),%rax
  test   %rax,%rax
  jne    L15
  lea    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <uname@plt>
  cmp    $0xffffffff,%eax
  je     L15
  mov    -0x28(%rbp),%rax
  mov    $0xfe,%edx
  mov    %rax,%rsi
  lea    D123(%rip),%rax
  mov    %rax,%rdi
  call   <strncpy@plt>
  movq   $0x0,D114(%rip)
  jmp    L52
L57:
  mov    D114(%rip),%rax
  lea    D123(%rip),%rdx
  movzbl (%rax,%rdx,1),%eax
  movsbl %al,%eax
  mov    D114(%rip),%rbx
  mov    %eax,%edi
  call   <tolower@plt>
  lea    D123(%rip),%rdx
  mov    %al,(%rbx,%rdx,1)
  mov    D114(%rip),%rax
  add    $0x1,%rax
  mov    %rax,D2(%rip)
L52:
  mov    D2(%rip),%rax
  lea    D123(%rip),%rdx
  movzbl (%rax,%rdx,1),%eax
  test   %al,%al
  jne    L57
L15:
  mov    D107(%rip),%rax
  test   %rax,%rax
  jne    L38
  lea    D123(%rip),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,D2(%rip)
L38:
  mov    D2(%rip),%rax
  add    $0x1,%rax
  mov    %rax,%rdi
  call   <hefesto_mloc@plt>
  mov    %rax,-0x20(%rbp)
  mov    D2(%rip),%rax
  lea    0x1(%rax),%rdx
  mov    -0x20(%rbp),%rax
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <memset@plt>
  mov    D2(%rip),%rdx
  mov    -0x20(%rbp),%rax
  lea    D123(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncpy@plt>
  mov    -0x20(%rbp),%rax
  mov    -0x18(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L27
  call   <__stack_chk_fail@plt>
L27:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
char *get_os_name() {
  char *result = NULL;
  static char os_name[255] = "";
  static size_t os_name_sz = 0;
  struct utsname unbuf;
  static size_t o;
  if (os_name_sz == 0 && uname(&unbuf) != -1) {
    strncpy(os_name, unbuf.sysname, sizeof(os_name) - 1);
    for (o = 0; os_name[o] != 0; o++) {
      os_name[o] = tolower(os_name[o]);
    }
  }
  if (os_name_sz == 0) {
    os_name_sz = strlen(os_name);
  }
  result = (char *)hefesto_mloc(os_name_sz + 1);
  memset(result, 0, os_name_sz + 1);
  strncpy(result, os_name, os_name_sz);
  return result;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<get_os_name>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    D10(%rip),%rbx
  test   %rbx,%rbx
  je     L17
L19:
  mov    D10(%rip),%rax
  lea    0x1(%rax),%rdi
  call   <hefesto_mloc@plt>
  mov    %rax,%rbx
  mov    D10(%rip),%rax
  lea    0x1(%rax),%rdx
  mov    $0x0,%esi
  mov    %rbx,%rdi
  call   <memset@plt>
  mov    D10(%rip),%rdx
  lea    D37(%rip),%rsi
  mov    %rbx,%rdi
  call   <strncpy@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L64
  mov    %rbx,%rax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  ret
L17:
  mov    %rsp,%rdi
  call   <uname@plt>
  cmp    $0xffffffff,%eax
  jne    L28
L55:
  cmpq   $0x0,D10(%rip)
  jne    L19
  lea    D37(%rip),%rdi
  call   <strlen@plt>
  mov    %rax,D0(%rip)
  jmp    L19
L28:
  mov    $0xfe,%edx
  mov    (%rsp),%rsi
  lea    D37(%rip),%rdi
  call   <strncpy@plt>
  movq   $0x0,D0(%rip)
  movzbl D37(%rip),%edi
  test   %dil,%dil
  je     L55
  lea    D37(%rip),%rbp
L3:
  movsbl %dil,%edi
  call   <tolower@plt>
  mov    %al,0x0(%rbp,%rbx,1)
  mov    D0(%rip),%rax
  lea    0x1(%rax),%rbx
  mov    %rbx,D126(%rip)
  movzbl 0x1(%rbp,%rax,1),%edi
  test   %dil,%dil
  jne    L3
  jmp    L55
L64:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
char *get_os_name() {
  char *result = NULL;
  static char os_name[255] = "";
  static size_t os_name_sz = 0;
  struct utsname unbuf;
  static size_t o;
  if (os_name_sz == 0 && uname(&unbuf) != -1) {
    strncpy(os_name, unbuf.sysname, sizeof(os_name) - 1);
    for (o = 0; os_name[o] != 0; o++) {
      os_name[o] = tolower(os_name[o]);
    }
  }
  if (os_name_sz == 0) {
    os_name_sz = strlen(os_name);
  }
  result = (char *)hefesto_mloc(os_name_sz + 1);
  memset(result, 0, os_name_sz + 1);
  strncpy(result, os_name, os_name_sz);
  return result;
}
```