ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Converte this assembly snippet into its equivalent C code:

```asm
<usage>:
  endbr64
  sub    $0x8,%rsp
  mov    %rdi,%rsi
  lea    D3(%rip),%rdi
  call   <printf@plt>
  add    $0x8,%rsp
  ret
```

tool_calls: name: parse_data
arguments: label: D3
datatype: string

tool: D3: Usage: %s [-h] [-v,--verbose]
  -C,--card <cardno> can be (0...3)
  -A, --accelerator-type=GENWQE|CAPI CAPI is only available for System p
  -V, --version             print version.
  -q, --quiet               quiece output.
  -w, --width <32|64>       access width, 64: default
  -X, --cpu <id>            only run on this CPU.
  -i, --interval <intv>     interval in usec, 0: default.
  -c, --count <num>         number of peeks do be done, 1: default.
  -e, --must-be <value>     compare and exit if not equal.
  -n, --must-not-be <value> compare and exit if equal.
  -a, --and-mask <value>    mask read value before compare.
  -p, --psl-bar <bar>       access PSL bar (CAPI only)
  <addr>

Example:
  genwqe_peek 0x0000
  [00000000] 000000021032a178

  for CAPI card (-A CAPI)
    Reg 0x0000 CAPI Card Version Reg 1 (RO)
    Reg 0x0008 CAPI Card Version Reg 2 (RO)
    Reg 0x0080 CAPI Card Free Run Timer in 4 nsec (RO)
    Reg 0x0180 Queue Work Time in 4 nsec (RO)
    Reg 0x1000 ... 0x1028  6 Fir Registers (RW)

   Only CAPI (debugging):
     genwqe_peek -ACAPI -C0 --psl-bar=2 --width=64 0x150



assistant: ```c
void usage(const char *prog) {
  printf("Usage: %s [-h] [-v,--verbose]\n"
         "  -C,--card <cardno> can be (0...3)\n"
         "  -A, --accelerator-type=GENWQE|CAPI CAPI is only available "
         "for System p\n"
         "  -V, --version             print version.\n"
         "  -q, --quiet               quiece output.\n"
         "  -w, --width <32|64>       access width, 64: default\n"
         "  -X, --cpu <id>            only run on this CPU.\n"
         "  -i, --interval <intv>     interval in usec, 0: default.\n"
         "  -c, --count <num>         number of peeks do be done, 1: default.\n"
         "  -e, --must-be <value>     compare and exit if not equal.\n"
         "  -n, --must-not-be <value> compare and exit if equal.\n"
         "  -a, --and-mask <value>    mask read value before compare.\n"
         "  -p, --psl-bar <bar>       access PSL bar (CAPI only)\n"
         "  <addr>\n"
         "\n"
         "Example:\n"
         "  genwqe_peek 0x0000\n"
         "  [00000000] 000000021032a178\n\n"
         "  for CAPI card (-A CAPI)\n"
         "    Reg 0x0000 CAPI Card Version Reg 1 (RO)\n"
         "    Reg 0x0008 CAPI Card Version Reg 2 (RO)\n"
         "    Reg 0x0080 CAPI Card Free Run Timer in 4 nsec (RO)\n"
         "    Reg 0x0180 Queue Work Time in 4 nsec (RO)\n"
         "    Reg 0x1000 ... 0x1028  6 Fir Registers (RW)\n"
         "\n"
         "   Only CAPI (debugging):\n"
         "     genwqe_peek -ACAPI -C0 --psl-bar=2 --width=64 0x150\n"
         "\n",
         prog);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<usage>:
  endbr64
  mov    %rdi,%rsi
  lea    D5(%rip),%rdi
  jmp    1050 <printf@plt>
```

tool_calls: name: parse_data
arguments: tag: D5
type_infered: string

tool: D5: Usage: %s [-h] [-v,--verbose]
  -C,--card <cardno> can be (0...3)
  -A, --accelerator-type=GENWQE|CAPI CAPI is only available for System p
  -V, --version             print version.
  -q, --quiet               quiece output.
  -w, --width <32|64>       access width, 64: default
  -X, --cpu <id>            only run on this CPU.
  -i, --interval <intv>     interval in usec, 0: default.
  -c, --count <num>         number of peeks do be done, 1: default.
  -e, --must-be <value>     compare and exit if not equal.
  -n, --must-not-be <value> compare and exit if equal.
  -a, --and-mask <value>    mask read value before compare.
  -p, --psl-bar <bar>       access PSL bar (CAPI only)
  <addr>

Example:
  genwqe_peek 0x0000
  [00000000] 000000021032a178

  for CAPI card (-A CAPI)
    Reg 0x0000 CAPI Card Version Reg 1 (RO)
    Reg 0x0008 CAPI Card Version Reg 2 (RO)
    Reg 0x0080 CAPI Card Free Run Timer in 4 nsec (RO)
    Reg 0x0180 Queue Work Time in 4 nsec (RO)
    Reg 0x1000 ... 0x1028  6 Fir Registers (RW)

   Only CAPI (debugging):
     genwqe_peek -ACAPI -C0 --psl-bar=2 --width=64 0x150



assistant: ```c
void usage(const char *prog) {
  printf("Usage: %s [-h] [-v,--verbose]\n"
         "  -C,--card <cardno> can be (0...3)\n"
         "  -A, --accelerator-type=GENWQE|CAPI CAPI is only available "
         "for System p\n"
         "  -V, --version             print version.\n"
         "  -q, --quiet               quiece output.\n"
         "  -w, --width <32|64>       access width, 64: default\n"
         "  -X, --cpu <id>            only run on this CPU.\n"
         "  -i, --interval <intv>     interval in usec, 0: default.\n"
         "  -c, --count <num>         number of peeks do be done, 1: default.\n"
         "  -e, --must-be <value>     compare and exit if not equal.\n"
         "  -n, --must-not-be <value> compare and exit if equal.\n"
         "  -a, --and-mask <value>    mask read value before compare.\n"
         "  -p, --psl-bar <bar>       access PSL bar (CAPI only)\n"
         "  <addr>\n"
         "\n"
         "Example:\n"
         "  genwqe_peek 0x0000\n"
         "  [00000000] 000000021032a178\n\n"
         "  for CAPI card (-A CAPI)\n"
         "    Reg 0x0000 CAPI Card Version Reg 1 (RO)\n"
         "    Reg 0x0008 CAPI Card Version Reg 2 (RO)\n"
         "    Reg 0x0080 CAPI Card Free Run Timer in 4 nsec (RO)\n"
         "    Reg 0x0180 Queue Work Time in 4 nsec (RO)\n"
         "    Reg 0x1000 ... 0x1028  6 Fir Registers (RW)\n"
         "\n"
         "   Only CAPI (debugging):\n"
         "     genwqe_peek -ACAPI -C0 --psl-bar=2 --width=64 0x150\n"
         "\n",
         prog);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<usage>:
  endbr64
  mov    %rdi,%rsi
  lea    D7(%rip),%rdi
  jmp    1050 <printf@plt>
```

tool_calls: name: disassemble_data
arguments: data_tag: D7
datatype: string

tool: D7: Usage: %s [-h] [-v,--verbose]
  -C,--card <cardno> can be (0...3)
  -A, --accelerator-type=GENWQE|CAPI CAPI is only available for System p
  -V, --version             print version.
  -q, --quiet               quiece output.
  -w, --width <32|64>       access width, 64: default
  -X, --cpu <id>            only run on this CPU.
  -i, --interval <intv>     interval in usec, 0: default.
  -c, --count <num>         number of peeks do be done, 1: default.
  -e, --must-be <value>     compare and exit if not equal.
  -n, --must-not-be <value> compare and exit if equal.
  -a, --and-mask <value>    mask read value before compare.
  -p, --psl-bar <bar>       access PSL bar (CAPI only)
  <addr>

Example:
  genwqe_peek 0x0000
  [00000000] 000000021032a178

  for CAPI card (-A CAPI)
    Reg 0x0000 CAPI Card Version Reg 1 (RO)
    Reg 0x0008 CAPI Card Version Reg 2 (RO)
    Reg 0x0080 CAPI Card Free Run Timer in 4 nsec (RO)
    Reg 0x0180 Queue Work Time in 4 nsec (RO)
    Reg 0x1000 ... 0x1028  6 Fir Registers (RW)

   Only CAPI (debugging):
     genwqe_peek -ACAPI -C0 --psl-bar=2 --width=64 0x150



assistant: ```c
void usage(const char *prog) {
  printf("Usage: %s [-h] [-v,--verbose]\n"
         "  -C,--card <cardno> can be (0...3)\n"
         "  -A, --accelerator-type=GENWQE|CAPI CAPI is only available "
         "for System p\n"
         "  -V, --version             print version.\n"
         "  -q, --quiet               quiece output.\n"
         "  -w, --width <32|64>       access width, 64: default\n"
         "  -X, --cpu <id>            only run on this CPU.\n"
         "  -i, --interval <intv>     interval in usec, 0: default.\n"
         "  -c, --count <num>         number of peeks do be done, 1: default.\n"
         "  -e, --must-be <value>     compare and exit if not equal.\n"
         "  -n, --must-not-be <value> compare and exit if equal.\n"
         "  -a, --and-mask <value>    mask read value before compare.\n"
         "  -p, --psl-bar <bar>       access PSL bar (CAPI only)\n"
         "  <addr>\n"
         "\n"
         "Example:\n"
         "  genwqe_peek 0x0000\n"
         "  [00000000] 000000021032a178\n\n"
         "  for CAPI card (-A CAPI)\n"
         "    Reg 0x0000 CAPI Card Version Reg 1 (RO)\n"
         "    Reg 0x0008 CAPI Card Version Reg 2 (RO)\n"
         "    Reg 0x0080 CAPI Card Free Run Timer in 4 nsec (RO)\n"
         "    Reg 0x0180 Queue Work Time in 4 nsec (RO)\n"
         "    Reg 0x1000 ... 0x1028  6 Fir Registers (RW)\n"
         "\n"
         "   Only CAPI (debugging):\n"
         "     genwqe_peek -ACAPI -C0 --psl-bar=2 --width=64 0x150\n"
         "\n",
         prog);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<isvalid_date>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  mov    %edx,-0x1c(%rbp)
  mov    -0x14(%rbp),%eax
  and    $0x3,%eax
  test   %eax,%eax
  jne    L60
  mov    -0x14(%rbp),%edx
  movslq %edx,%rax
  imul   $0x51eb851f,%rax,%rax
  shr    $0x20,%rax
  sar    $0x5,%eax
  mov    %edx,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%eax
  imul   $0x64,%eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  test   %eax,%eax
  jne    L161
L60:
  mov    -0x14(%rbp),%edx
  movslq %edx,%rax
  imul   $0x51eb851f,%rax,%rax
  shr    $0x20,%rax
  sar    $0x7,%eax
  mov    %edx,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%eax
  imul   $0x190,%eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  test   %eax,%eax
  jne    L144
L161:
  mov    $0x1,%eax
  jmp    L117
L144:
  mov    $0x0,%eax
L117:
  mov    %eax,-0x4(%rbp)
  mov    -0x18(%rbp),%eax
  cmp    $0xc,%eax
  seta   %dl
  test   %dl,%dl
  jne    L83
  mov    $0x1,%edx
  mov    %eax,%ecx
  shl    %cl,%rdx
  mov    %rdx,%rax
  mov    %rax,%rdx
  and    $0x15aa,%edx
  test   %rdx,%rdx
  setne  %dl
  test   %dl,%dl
  jne    L120
  mov    %rax,%rdx
  and    $0xa50,%edx
  test   %rdx,%rdx
  setne  %dl
  test   %dl,%dl
  jne    L16
  and    $0x4,%eax
  test   %rax,%rax
  setne  %al
  test   %al,%al
  jne    L143
  jmp    L83
L120:
  cmpl   $0x1f,-0x1c(%rbp)
  jg     L52
  mov    $0x1,%eax
  jmp    L50
L16:
  cmpl   $0x1e,-0x1c(%rbp)
  jg     L32
  mov    $0x1,%eax
  jmp    L50
L143:
  mov    -0x1c(%rbp),%eax
  cmp    -0x4(%rbp),%eax
  jg     L96
  mov    $0x1d,%eax
  jmp    L50
L96:
  mov    $0x1c,%eax
  jmp    L50
L83:
  nop
  jmp    L48
L52:
  nop
  jmp    L48
L32:
  nop
L48:
  mov    $0x0,%eax
L50:
  pop    %rbp
  ret
```

assistant: ```c
int isvalid_date(int year, int month, int day) {
  int year_leap = (year % 4 == 0) && (year % 100 != 0) || (year % 400 == 0);
  switch (month) {
  case 1:
  case 3:
  case 5:
  case 7:
  case 8:
  case 10:
  case 12:
    if (day <= 31)
      return 1;
    break;
  case 4:
  case 6:
  case 9:
  case 11:
    if (day <= 30)
      return 1;
    break;
  case 2:
    return (day <= (year_leap) ? 29 : 28);
    break;
  default:
    break;
  }
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<isvalid_date>:
  endbr64
  mov    %edi,%eax
  mov    %esi,%ecx
  mov    %edx,%esi
  test   $0x3,%al
  jne    L61
  movslq %edi,%rdx
  imul   $0x51eb851f,%rdx,%rdx
  sar    $0x25,%rdx
  sar    $0x1f,%edi
  sub    %edi,%edx
  imul   $0x64,%edx,%edx
  mov    $0x1,%edi
  cmp    %edx,%eax
  jne    L8
L61:
  movslq %eax,%rdx
  imul   $0x51eb851f,%rdx,%rdx
  sar    $0x27,%rdx
  mov    %eax,%edi
  sar    $0x1f,%edi
  sub    %edi,%edx
  imul   $0x190,%edx,%edx
  cmp    %edx,%eax
  sete   %dil
  movzbl %dil,%edi
L8:
  cmp    $0xc,%ecx
  ja     L9
  mov    $0x1,%eax
  shl    %cl,%rax
  cmp    $0x1f,%esi
  setle  %dl
  movzbl %dl,%edx
  test   $0x15aa,%eax
  je     L60
L46:
  mov    %edx,%eax
  ret
L60:
  cmp    $0x1e,%esi
  setle  %dl
  movzbl %dl,%edx
  test   $0xa50,%eax
  jne    L46
  cmp    $0x2,%ecx
  jne    L81
  cmp    %esi,%edi
  setge  %dl
  movzbl %dl,%edx
  add    $0x1c,%edx
  jmp    L46
L81:
  mov    $0x0,%edx
  jmp    L46
L9:
  mov    $0x0,%edx
  jmp    L46
```

assistant: ```c
int isvalid_date(int year, int month, int day) {
  int year_leap = (year % 4 == 0) && (year % 100 != 0) || (year % 400 == 0);
  switch (month) {
  case 1:
  case 3:
  case 5:
  case 7:
  case 8:
  case 10:
  case 12:
    if (day <= 31)
      return 1;
    break;
  case 4:
  case 6:
  case 9:
  case 11:
    if (day <= 30)
      return 1;
    break;
  case 2:
    return (day <= (year_leap) ? 29 : 28);
    break;
  default:
    break;
  }
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<isvalid_date>:
  endbr64
  mov    %esi,%ecx
  test   $0x3,%dil
  jne    L32
  imul   $0xc28f5c29,%edi,%eax
  mov    $0x1,%esi
  add    $0x51eb850,%eax
  ror    $0x2,%eax
  cmp    $0x28f5c28,%eax
  jbe    L32
  cmp    $0xc,%ecx
  ja     L26
L24:
  mov    $0x1,%eax
  xor    %r8d,%r8d
  shl    %cl,%rax
  cmp    $0x1f,%edx
  setle  %r8b
  test   $0x15aa,%eax
  je     L41
L13:
  mov    %r8d,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L32:
  imul   $0xc28f5c29,%edi,%edi
  xor    %esi,%esi
  add    $0x51eb850,%edi
  ror    $0x4,%edi
  cmp    $0xa3d70a,%edi
  setbe  %sil
  cmp    $0xc,%ecx
  jbe    L24
L26:
  xor    %r8d,%r8d
  mov    %r8d,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L41:
  xor    %r8d,%r8d
  cmp    $0x1e,%edx
  setle  %r8b
  test   $0xa50,%eax
  jne    L13
  cmp    $0x2,%ecx
  jne    L26
  xor    %r8d,%r8d
  cmp    %edx,%esi
  setge  %r8b
  add    $0x1c,%r8d
  mov    %r8d,%eax
  ret
```

assistant: ```c
int isvalid_date(int year, int month, int day) {
  int year_leap = (year % 4 == 0) && (year % 100 != 0) || (year % 400 == 0);
  switch (month) {
  case 1:
  case 3:
  case 5:
  case 7:
  case 8:
  case 10:
  case 12:
    if (day <= 31)
      return 1;
    break;
  case 4:
  case 6:
  case 9:
  case 11:
    if (day <= 30)
      return 1;
    break;
  case 2:
    return (day <= (year_leap) ? 29 : 28);
    break;
  default:
    break;
  }
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<isvalid_date>:
  endbr64
  mov    %esi,%ecx
  test   $0x3,%dil
  jne    L36
  imul   $0xc28f5c29,%edi,%eax
  mov    $0x1,%esi
  add    $0x51eb850,%eax
  ror    $0x2,%eax
  cmp    $0x28f5c28,%eax
  jbe    L36
  cmp    $0xc,%ecx
  ja     L39
L57:
  mov    $0x1,%eax
  xor    %r8d,%r8d
  shl    %cl,%rax
  cmp    $0x1f,%edx
  setle  %r8b
  test   $0x15aa,%eax
  je     L56
L66:
  mov    %r8d,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L36:
  imul   $0xc28f5c29,%edi,%edi
  xor    %esi,%esi
  add    $0x51eb850,%edi
  ror    $0x4,%edi
  cmp    $0xa3d70a,%edi
  setbe  %sil
  cmp    $0xc,%ecx
  jbe    L57
L39:
  xor    %r8d,%r8d
  mov    %r8d,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L56:
  xor    %r8d,%r8d
  cmp    $0x1e,%edx
  setle  %r8b
  test   $0xa50,%eax
  jne    L66
  cmp    $0x2,%ecx
  jne    L39
  xor    %r8d,%r8d
  cmp    %edx,%esi
  setge  %r8b
  add    $0x1c,%r8d
  mov    %r8d,%eax
  ret
```

assistant: ```c
int isvalid_date(int year, int month, int day) {
  int year_leap = (year % 4 == 0) && (year % 100 != 0) || (year % 400 == 0);
  switch (month) {
  case 1:
  case 3:
  case 5:
  case 7:
  case 8:
  case 10:
  case 12:
    if (day <= 31)
      return 1;
    break;
  case 4:
  case 6:
  case 9:
  case 11:
    if (day <= 30)
      return 1;
    break;
  case 2:
    return (day <= (year_leap) ? 29 : 28);
    break;
  default:
    break;
  }
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<clearScreen>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  movl   $0x0,-0x4(%rbp)
L9:
  lea    D4(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    -0x4(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x4(%rbp)
  cmp    $0x15,%eax
  jle    L9
  nop
  nop
  leave
  ret
```

tool_calls: name: parse_data
arguments: data_tag: D4
datatype: string

tool: D4: 


assistant: ```c
void clearScreen(void) {
  int iCnt = 0;
  do
    printf("\n");
  while (iCnt++ < 22);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<clearScreen>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    $0x17,%ebx
  lea    D8(%rip),%rbp
L0:
  mov    %rbp,%rdi
  call   <printf@plt>
  sub    $0x1,%ebx
  jne    L0
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

tool_calls: name: parse_data
arguments: data_label: D8
type: string

tool: D8: 


assistant: ```c
void clearScreen(void) {
  int iCnt = 0;
  do
    printf("\n");
  while (iCnt++ < 22);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<clearScreen>:
  endbr64
  push   %rbp
  lea    D6(%rip),%rbp
  push   %rbx
  mov    $0x17,%ebx
  sub    $0x8,%rsp
  cs nopw 0x0(%rax,%rax,1)
L2:
  mov    %rbp,%rdi
  call   <printf@plt>
  sub    $0x1,%ebx
  jne    L2
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

tool_calls: name: retrieve_data
arguments: data_label: D6
data_type: string

tool: D6: 


assistant: ```c
void clearScreen(void) {
  int iCnt = 0;
  do
    printf("\n");
  while (iCnt++ < 22);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<clearScreen>:
  endbr64
  push   %rbp
  lea    D1(%rip),%rbp
  push   %rbx
  mov    $0x17,%ebx
  sub    $0x8,%rsp
  cs nopw 0x0(%rax,%rax,1)
L0:
  mov    %rbp,%rdi
  call   <printf@plt>
  sub    $0x1,%ebx
  jne    L0
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

tool_calls: name: extract_symbolic_data
arguments: tag: D1
type_guessed: string

tool: D1: 


assistant: ```c
void clearScreen(void) {
  int iCnt = 0;
  do
    printf("\n");
  while (iCnt++ < 22);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<read_uint2_array>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x18(%rbp)
  mov    -0x18(%rbp),%eax
  lea    (%rax,%rax,1),%edx
  mov    -0x20(%rbp),%rcx
  mov    -0x14(%rbp),%eax
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <read@plt>
  mov    %eax,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  jg     L3
  mov    $0x0,%eax
  jmp    L2
L3:
  mov    -0x4(%rbp),%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  mov    %eax,%edx
  mov    -0x20(%rbp),%rcx
  mov    -0x20(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <flip2@plt>
  mov    -0x4(%rbp),%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
L2:
  leave
  ret
```

assistant: ```c
int read_uint2_array(int f, unsigned short *iarray, int n) {
  int nread = read(f, iarray, n * 2);
  if (nread <= 0)
    return 0;
  flip2(iarray, iarray, nread / 2);
  return nread / 2;
}
```
user: What is the c source code of the assembly code below:

```asm
<read_uint2_array>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rsi,%rbx
  add    %edx,%edx
  call   <read@plt>
  mov    $0x0,%ebp
  test   %eax,%eax
  jle    L5
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %eax,%edx
  sar    %edx
  mov    %edx,%ebp
  mov    %rbx,%rsi
  mov    %rbx,%rdi
  call   <flip2@plt>
L5:
  mov    %ebp,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
int read_uint2_array(int f, unsigned short *iarray, int n) {
  int nread = read(f, iarray, n * 2);
  if (nread <= 0)
    return 0;
  flip2(iarray, iarray, nread / 2);
  return nread / 2;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<read_uint2_array>:
  endbr64
  push   %r12
  add    %edx,%edx
  xor    %r12d,%r12d
  push   %rbp
  mov    %rsi,%rbp
  sub    $0x8,%rsp
  call   <read@plt>
  test   %eax,%eax
  jle    L9
  sar    %eax
  mov    %rbp,%rsi
  mov    %rbp,%rdi
  mov    %eax,%edx
  mov    %eax,%r12d
  call   <flip2@plt>
L9:
  add    $0x8,%rsp
  mov    %r12d,%eax
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
int read_uint2_array(int f, unsigned short *iarray, int n) {
  int nread = read(f, iarray, n * 2);
  if (nread <= 0)
    return 0;
  flip2(iarray, iarray, nread / 2);
  return nread / 2;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<read_uint2_array>:
  endbr64
  push   %r12
  add    %edx,%edx
  xor    %r12d,%r12d
  push   %rbp
  mov    %rsi,%rbp
  sub    $0x8,%rsp
  call   <read@plt>
  test   %eax,%eax
  jle    L4
  sar    %eax
  mov    %rbp,%rsi
  mov    %rbp,%rdi
  mov    %eax,%edx
  mov    %eax,%r12d
  call   <flip2@plt>
L4:
  add    $0x8,%rsp
  mov    %r12d,%eax
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
int read_uint2_array(int f, unsigned short *iarray, int n) {
  int nread = read(f, iarray, n * 2);
  if (nread <= 0)
    return 0;
  flip2(iarray, iarray, nread / 2);
  return nread / 2;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<gethostname>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <uname@plt>
  mov    %eax,-0xc(%rbp)
  cmpl   $0xffffffff,-0xc(%rbp)
  je     L2
  mov    -0x10(%rbp),%ecx
  mov    -0x20(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <strncpy@plt>
  mov    -0x20(%rbp),%rax
  lea    -0x1(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
L2:
  mov    -0xc(%rbp),%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L4
  call   <__stack_chk_fail@plt>
L4:
  leave
  ret
```

assistant: ```c
int gethostname(char *name, size_t len) {
  struct utsname u;
  int status = uname(&u);
  if (-1 != status) {
    strncpy(name, u.nodename, len);
    name[len - 1] = '\0';
  }
  return (status);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<gethostname>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x10,%rsp
  mov    %rdi,%r12
  mov    %rsi,%rbp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdi
  call   <uname@plt>
  mov    %eax,%ebx
  cmp    $0xffffffff,%eax
  jne    L14
L8:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L20
  mov    %ebx,%eax
  add    $0x10,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L14:
  mov    %rbp,%rdx
  mov    0x4(%rsp),%esi
  mov    %r12,%rdi
  call   <strncpy@plt>
  movb   $0x0,-0x1(%r12,%rbp,1)
  jmp    L8
L20:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int gethostname(char *name, size_t len) {
  struct utsname u;
  int status = uname(&u);
  if (-1 != status) {
    strncpy(name, u.nodename, len);
    name[len - 1] = '\0';
  }
  return (status);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<gethostname>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdi
  call   <uname@plt>
  mov    %eax,%r12d
  cmp    $0xffffffff,%eax
  je     L17
  mov    0x4(%rsp),%esi
  mov    %rbx,%rdx
  mov    %rbp,%rdi
  call   <strncpy@plt>
  movb   $0x0,-0x1(%rbp,%rbx,1)
L17:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L19
  add    $0x10,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L19:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int gethostname(char *name, size_t len) {
  struct utsname u;
  int status = uname(&u);
  if (-1 != status) {
    strncpy(name, u.nodename, len);
    name[len - 1] = '\0';
  }
  return (status);
}
```
user: Translate the below assembly code into C programming language:

```asm
<gethostname>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdi
  call   <uname@plt>
  mov    %eax,%r12d
  cmp    $0xffffffff,%eax
  je     L19
  mov    0x4(%rsp),%esi
  mov    %rbx,%rdx
  mov    %rbp,%rdi
  call   <strncpy@plt>
  movb   $0x0,-0x1(%rbp,%rbx,1)
L19:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  add    $0x10,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L8:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int gethostname(char *name, size_t len) {
  struct utsname u;
  int status = uname(&u);
  if (-1 != status) {
    strncpy(name, u.nodename, len);
    name[len - 1] = '\0';
  }
  return (status);
}
```