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
<calc_xi_sum_dev>:
  endbr64
  test   %r9d,%r9d
  jle    L19
  push   %rbp
  mov    %rsi,%r10
  mov    %rdx,%rsi
  mov    %rcx,%rdx
  push   %rbx
  mov    0x18(%rsp),%ecx
  mov    %r9d,%ebp
  xor    %r11d,%r11d
  mov    0x20(%rsp),%eax
  imul   %r9d,%ecx
  imul   %r9d,%eax
  movslq %ecx,%rcx
  lea    (%rsi,%rcx,4),%rsi
  lea    (%rax,%r9,1),%ecx
  cltq
  movslq %ecx,%rcx
  lea    (%rdx,%rax,4),%rbx
  lea    (%r8,%rcx,4),%rcx
  movslq %r9d,%r8
  sub    $0x1,%r9d
  add    %r9,%rax
  shl    $0x2,%r8
  lea    0x4(%rdx,%rax,4),%r9
  nopl   0x0(%rax)
L18:
  lea    0x0(,%r11,4),%rax
  mov    %rbx,%rdx
  nopl   0x0(%rax,%rax,1)
L12:
  movss  (%rdx),%xmm1
  mulss  (%r10,%rax,1),%xmm1
  add    $0x4,%rdx
  mulss  (%rsi),%xmm1
  mulss  (%rcx),%xmm1
  divss  %xmm0,%xmm1
  addss  (%rdi,%rax,1),%xmm1
  movss  %xmm1,(%rdi,%rax,1)
  add    %r8,%rax
  cmp    %rdx,%r9
  jne    L12
  add    $0x1,%r11
  add    $0x4,%rsi
  add    $0x4,%rcx
  cmp    %r11,%rbp
  jne    L18
  pop    %rbx
  pop    %rbp
  ret
L19:
  ret
```

assistant: ```c
void calc_xi_sum_dev(float *xi_sum_d, float *a_d, float *b_d, float *alpha_d, float *beta_d, float sum_ab, int nstates, int obs_t, int t) {
  int i, j;
  for (i = 0; i < nstates; ++i) {
    for (j = 0; j < nstates; ++j) {
      xi_sum_d[(j * nstates) + i] += alpha_d[(t * nstates) + j] * a_d[(j * nstates) + i] * b_d[(obs_t * nstates) + i] * beta_d[((t + 1) * nstates) + i] / sum_ab;
    }
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<benchmark>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x18,%rsp
  mov    %edi,%r13d
  mov    %esi,%r12d
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  movslq %esi,%rax
  lea    0xf(,%rax,8),%rax
  mov    %rax,%rcx
  and    $0xfffffffffffffff0,%rcx
  and    $0xfffffffffffff000,%rax
  mov    %rsp,%rdx
  sub    %rax,%rdx
L15:
  cmp    %rdx,%rsp
  je     L46
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L15
L46:
  mov    %rcx,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L21
  orq    $0x0,-0x8(%rsp,%rax,1)
L21:
  mov    %rsp,%r14
  test   %r12d,%r12d
  jle    L69
  mov    %r14,%rbx
  mov    %r12d,%eax
  lea    (%r14,%rax,8),%r15
L33:
  mov    $0x0,%eax
  call   <rand_double@plt>
  mulsd  D7(%rip),%xmm0
  subsd  D13(%rip),%xmm0
  movsd  %xmm0,(%rbx)
  add    $0x8,%rbx
  cmp    %r15,%rbx
  jne    L33
L69:
  mov    $0x0,%eax
  call   <tic@plt>
  movq   %xmm0,%r15
  test   %r13d,%r13d
  jle    L79
  mov    $0x0,%ebx
L34:
  mov    $0x1,%edx
  mov    %r14,%rsi
  mov    %r12d,%edi
  call   <stdlib_strided_dmean@plt>
  ucomisd %xmm0,%xmm0
  jp     L80
  add    $0x1,%ebx
  cmp    %ebx,%r13d
  jne    L34
L79:
  mov    $0x0,%eax
  call   <tic@plt>
  movq   %r15,%xmm1
  subsd  %xmm1,%xmm0
  movq   %xmm0,%rbx
L64:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L53
  movq   %rbx,%xmm0
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L80:
  lea    D0(%rip),%r12
  mov    %r12,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  call   <tic@plt>
  movq   %r15,%xmm2
  subsd  %xmm2,%xmm0
  movq   %xmm0,%rbx
  mov    %r12,%rdi
  call   <printf@plt>
  jmp    L64
L53:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D7
type_infered: f64
name: extract_symbolic_data
arguments: data_label: D13
type_infered: f64
name: extract_symbolic_data
arguments: data_label: D0
type_infered: string

tool: D7: 20000

tool: D13: 10000

tool: D0: should not return NaN


assistant: ```c
double benchmark(int iterations, int len) {
  double elapsed;
  double x[len];
  double v;
  double t;
  int i;
  for (i = 0; i < len; i++) {
    x[i] = (rand_double() * 20000.0) - 10000.0;
  }
  v = 0.0;
  t = tic();
  for (i = 0; i < iterations; i++) {
    v = stdlib_strided_dmean(len, x, 1);
    if (v != v) {
      printf("should not return NaN\n");
      break;
    }
  }
  elapsed = tic() - t;
  if (v != v) {
    printf("should not return NaN\n");
  }
  return elapsed;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<benchmark>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %edi,%r12d
  push   %rbx
  mov    %esi,%ebx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  movslq %esi,%rax
  mov    %rsp,%rcx
  lea    0xf(,%rax,8),%rax
  mov    %rax,%rdx
  and    $0xfffffffffffff000,%rax
  sub    %rax,%rcx
  and    $0xfffffffffffffff0,%rdx
  cmp    %rcx,%rsp
  je     L12
L97:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %rcx,%rsp
  jne    L97
L12:
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  jne    L51
L93:
  mov    %rsp,%r13
  test   %ebx,%ebx
  jle    L31
  mov    %ebx,%eax
  mov    %r13,%r15
  lea    0x0(%r13,%rax,8),%r14
  nopl   0x0(%rax)
L118:
  xor    %eax,%eax
  add    $0x8,%r15
  call   <rand_double@plt>
  mulsd  D17(%rip),%xmm0
  subsd  D16(%rip),%xmm0
  movsd  %xmm0,-0x8(%r15)
  cmp    %r14,%r15
  jne    L118
L31:
  xor    %eax,%eax
  call   <tic@plt>
  movsd  %xmm0,-0x48(%rbp)
  test   %r12d,%r12d
  jle    L26
  xor    %r14d,%r14d
  jmp    L30
  nopl   0x0(%rax)
L91:
  add    $0x1,%r14d
  cmp    %r14d,%r12d
  je     L26
L30:
  mov    $0x1,%edx
  mov    %r13,%rsi
  mov    %ebx,%edi
  call   <stdlib_strided_dmean@plt>
  ucomisd %xmm0,%xmm0
  jnp    L91
  lea    D27(%rip),%r12
  mov    %r12,%rdi
  call   <printf@plt>
  xor    %eax,%eax
  call   <tic@plt>
  subsd  -0x48(%rbp),%xmm0
  mov    %r12,%rdi
  movsd  %xmm0,-0x48(%rbp)
  call   <printf@plt>
  movsd  -0x48(%rbp),%xmm0
L108:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L105
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
  nopl   0x0(%rax)
L26:
  xor    %eax,%eax
  call   <tic@plt>
  subsd  -0x48(%rbp),%xmm0
  jmp    L108
  cs nopw 0x0(%rax,%rax,1)
L51:
  orq    $0x0,-0x8(%rsp,%rdx,1)
  jmp    L93
L105:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D17
data_type: f64
name: extract_symbolic_data
arguments: data_tag: D16
data_type: f64
name: extract_symbolic_data
arguments: data_tag: D27
data_type: string

tool: D17: 20000

tool: D16: 10000

tool: D27: should not return NaN


assistant: ```c
double benchmark(int iterations, int len) {
  double elapsed;
  double x[len];
  double v;
  double t;
  int i;
  for (i = 0; i < len; i++) {
    x[i] = (rand_double() * 20000.0) - 10000.0;
  }
  v = 0.0;
  t = tic();
  for (i = 0; i < iterations; i++) {
    v = stdlib_strided_dmean(len, x, 1);
    if (v != v) {
      printf("should not return NaN\n");
      break;
    }
  }
  elapsed = tic() - t;
  if (v != v) {
    printf("should not return NaN\n");
  }
  return elapsed;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<benchmark>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %edi,%r12d
  push   %rbx
  mov    %esi,%ebx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  movslq %esi,%rax
  mov    %rsp,%rcx
  lea    0xf(,%rax,8),%rax
  mov    %rax,%rdx
  and    $0xfffffffffffff000,%rax
  sub    %rax,%rcx
  and    $0xfffffffffffffff0,%rdx
  cmp    %rcx,%rsp
  je     L43
L97:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %rcx,%rsp
  jne    L97
L43:
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  jne    L17
L57:
  mov    %rsp,%r13
  test   %ebx,%ebx
  jle    L86
  mov    %ebx,%eax
  mov    %r13,%r15
  lea    0x0(%r13,%rax,8),%r14
  nopl   0x0(%rax)
L55:
  xor    %eax,%eax
  add    $0x8,%r15
  call   <rand_double@plt>
  mulsd  D10(%rip),%xmm0
  subsd  D26(%rip),%xmm0
  movsd  %xmm0,-0x8(%r15)
  cmp    %r14,%r15
  jne    L55
L86:
  xor    %eax,%eax
  call   <tic@plt>
  movsd  %xmm0,-0x48(%rbp)
  test   %r12d,%r12d
  jle    L11
  xor    %r14d,%r14d
  jmp    L104
  nopl   0x0(%rax)
L89:
  add    $0x1,%r14d
  cmp    %r14d,%r12d
  je     L11
L104:
  mov    $0x1,%edx
  mov    %r13,%rsi
  mov    %ebx,%edi
  call   <stdlib_strided_dmean@plt>
  ucomisd %xmm0,%xmm0
  jnp    L89
  lea    D17(%rip),%r12
  mov    %r12,%rdi
  call   <printf@plt>
  xor    %eax,%eax
  call   <tic@plt>
  subsd  -0x48(%rbp),%xmm0
  mov    %r12,%rdi
  movsd  %xmm0,-0x48(%rbp)
  call   <printf@plt>
  movsd  -0x48(%rbp),%xmm0
L102:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L111
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
  nopl   0x0(%rax)
L11:
  xor    %eax,%eax
  call   <tic@plt>
  subsd  -0x48(%rbp),%xmm0
  jmp    L102
  cs nopw 0x0(%rax,%rax,1)
L17:
  orq    $0x0,-0x8(%rsp,%rdx,1)
  jmp    L57
L111:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_label: D10
type_infered: f64
name: parse_data
arguments: data_label: D26
type_infered: f64
name: parse_data
arguments: data_label: D17
type_infered: string

tool: D10: 20000

tool: D26: 10000

tool: D17: should not return NaN


assistant: ```c
double benchmark(int iterations, int len) {
  double elapsed;
  double x[len];
  double v;
  double t;
  int i;
  for (i = 0; i < len; i++) {
    x[i] = (rand_double() * 20000.0) - 10000.0;
  }
  v = 0.0;
  t = tic();
  for (i = 0; i < iterations; i++) {
    v = stdlib_strided_dmean(len, x, 1);
    if (v != v) {
      printf("should not return NaN\n");
      break;
    }
  }
  elapsed = tic() - t;
  if (v != v) {
    printf("should not return NaN\n");
  }
  return elapsed;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<catchViolation>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x4(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %rdx,-0x18(%rbp)
  mov    -0x10(%rbp),%rax
  mov    (%rax),%eax
  mov    %eax,%esi
  lea    D6(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D14(%rip),%rax
  mov    %rax,%rdi
  call   <Assert_failure@plt>
  nop
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: label: D6
type: string
name: extract_symbolic_data
arguments: label: D14
type: string

tool: D6: Attempted banned syscall number [%d] see doc/Seccomp.md for more information


tool: D14: Disallowed Syscall

assistant: ```c
void catchViolation(int sig, siginfo_t *si, void *threadContext) {
  printf("Attempted banned syscall number [%d] see doc/Seccomp.md for more information\n", ((si)->si_value.sival_int));
  Assert_failure("Disallowed Syscall");
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<catchViolation>:
  endbr64
  sub    $0x8,%rsp
  mov    (%rsi),%esi
  lea    D17(%rip),%rdi
  call   <printf@plt>
  lea    D4(%rip),%rdi
  call   <Assert_failure@plt>
  add    $0x8,%rsp
  ret
```

tool_calls: name: parse_data
arguments: data_tag: D17
type: string
name: parse_data
arguments: data_tag: D4
type: string

tool: D17: Attempted banned syscall number [%d] see doc/Seccomp.md for more information


tool: D4: Disallowed Syscall

assistant: ```c
void catchViolation(int sig, siginfo_t *si, void *threadContext) {
  printf("Attempted banned syscall number [%d] see doc/Seccomp.md for more information\n", ((si)->si_value.sival_int));
  Assert_failure("Disallowed Syscall");
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<catchViolation>:
  endbr64
  sub    $0x8,%rsp
  mov    (%rsi),%esi
  lea    D17(%rip),%rdi
  call   <printf@plt>
  lea    D5(%rip),%rdi
  add    $0x8,%rsp
  jmp    1060 <Assert_failure@plt>
```

tool_calls: name: read_data
arguments: data_tag: D17
type_guessed: string
name: read_data
arguments: data_tag: D5
type_guessed: string

tool: D17: Attempted banned syscall number [%d] see doc/Seccomp.md for more information


tool: D5: Disallowed Syscall

assistant: ```c
void catchViolation(int sig, siginfo_t *si, void *threadContext) {
  printf("Attempted banned syscall number [%d] see doc/Seccomp.md for more information\n", ((si)->si_value.sival_int));
  Assert_failure("Disallowed Syscall");
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<catchViolation>:
  endbr64
  sub    $0x8,%rsp
  mov    (%rsi),%esi
  lea    D13(%rip),%rdi
  call   <printf@plt>
  lea    D2(%rip),%rdi
  add    $0x8,%rsp
  jmp    1060 <Assert_failure@plt>
```

tool_calls: name: parse_data
arguments: data_label: D13
type: string
name: parse_data
arguments: data_label: D2
type: string

tool: D13: Attempted banned syscall number [%d] see doc/Seccomp.md for more information


tool: D2: Disallowed Syscall

assistant: ```c
void catchViolation(int sig, siginfo_t *si, void *threadContext) {
  printf("Attempted banned syscall number [%d] see doc/Seccomp.md for more information\n", ((si)->si_value.sival_int));
  Assert_failure("Disallowed Syscall");
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<init_pit>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    $0x34,%esi
  mov    $0x43,%edi
  call   <io_out8@plt>
  mov    $0x9c,%esi
  mov    $0x40,%edi
  call   <io_out8@plt>
  mov    $0x2e,%esi
  mov    $0x40,%edi
  call   <io_out8@plt>
  nop
  pop    %rbp
  ret
```

assistant: ```c
void init_pit(void) {
  io_out8((0x0043), 0x34);
  io_out8((0x0040), 0x9c);
  io_out8((0x0040), 0x2e);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<init_pit>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x34,%esi
  mov    $0x43,%edi
  call   <io_out8@plt>
  mov    $0x9c,%esi
  mov    $0x40,%edi
  call   <io_out8@plt>
  mov    $0x2e,%esi
  mov    $0x40,%edi
  call   <io_out8@plt>
  add    $0x8,%rsp
  ret
```

assistant: ```c
void init_pit(void) {
  io_out8((0x0043), 0x34);
  io_out8((0x0040), 0x9c);
  io_out8((0x0040), 0x2e);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<init_pit>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x34,%esi
  mov    $0x43,%edi
  call   <io_out8@plt>
  mov    $0x9c,%esi
  mov    $0x40,%edi
  call   <io_out8@plt>
  mov    $0x2e,%esi
  mov    $0x40,%edi
  add    $0x8,%rsp
  jmp    1050 <io_out8@plt>
```

assistant: ```c
void init_pit(void) {
  io_out8((0x0043), 0x34);
  io_out8((0x0040), 0x9c);
  io_out8((0x0040), 0x2e);
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<init_pit>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x34,%esi
  mov    $0x43,%edi
  call   <io_out8@plt>
  mov    $0x9c,%esi
  mov    $0x40,%edi
  call   <io_out8@plt>
  mov    $0x2e,%esi
  mov    $0x40,%edi
  add    $0x8,%rsp
  jmp    1050 <io_out8@plt>
```

assistant: ```c
void init_pit(void) {
  io_out8((0x0043), 0x34);
  io_out8((0x0040), 0x9c);
  io_out8((0x0040), 0x2e);
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<strip_whitespace>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0xc(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  jmp    L43
L40:
  subl   $0x1,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
L43:
  cmpl   $0x0,-0xc(%rbp)
  je     L5
  mov    -0xc(%rbp),%eax
  cltq
  lea    -0x1(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L40
  jmp    L5
L17:
  addq   $0x1,-0x8(%rbp)
  subl   $0x1,-0xc(%rbp)
L5:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L69
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L17
L69:
  mov    -0x18(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  je     L52
  mov    -0xc(%rbp),%edx
  mov    -0x8(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memmove@plt>
L52:
  nop
  leave
  ret
```

assistant: ```c
void strip_whitespace(char *p) {
  int len = strlen(p);
  char *p2 = p;
  while (len && isspace(p[len - 1]))
    p[--len] = '\0';
  while ((*p2) && isspace(*p2)) {
    p2++;
    len--;
  }
  if (p != p2)
    memmove(p, p2, len);
}
```
user: What is the c source code of the assembly code below?

```asm
<strip_whitespace>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r12
  call   <strlen@plt>
  movslq %eax,%rbx
  mov    %eax,%ebp
  test   %eax,%eax
  je     L61
L9:
  mov    %ebx,%ebp
  movsbl -0x1(%r12,%rbx,1),%edi
  call   <isspace@plt>
  test   %rax,%rax
  je     L61
  movb   $0x0,-0x1(%r12,%rbx,1)
  sub    $0x1,%rbx
  mov    %ebx,%ebp
  test   %ebx,%ebx
  jne    L9
L61:
  movzbl (%r12),%edi
  mov    %r12,%rbx
  test   %dil,%dil
  je     L27
L17:
  movsbl %dil,%edi
  call   <isspace@plt>
  test   %rax,%rax
  je     L35
  add    $0x1,%rbx
  sub    $0x1,%ebp
  movzbl (%rbx),%edi
  test   %dil,%dil
  jne    L17
L35:
  cmp    %rbx,%r12
  je     L27
  mov    %ebp,%edx
  mov    %rbx,%rsi
  mov    %r12,%rdi
  call   <memmove@plt>
L27:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
void strip_whitespace(char *p) {
  int len = strlen(p);
  char *p2 = p;
  while (len && isspace(p[len - 1]))
    p[--len] = '\0';
  while ((*p2) && isspace(*p2)) {
    p2++;
    len--;
  }
  if (p != p2)
    memmove(p, p2, len);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<strip_whitespace>:
  endbr64
  push   %r13
  mov    %rdi,%r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <strlen@plt>
  movslq %eax,%rbx
  test   %eax,%eax
  jne    L5
  jmp    L23
  nop
L61:
  movb   $0x0,-0x1(%r13,%rbx,1)
  sub    $0x1,%rbx
  test   %ebx,%ebx
  je     L23
L5:
  movsbl -0x1(%r13,%rbx,1),%edi
  mov    %ebx,%r12d
  call   <isspace@plt>
  test   %rax,%rax
  jne    L61
L63:
  movsbl 0x0(%r13),%edi
  mov    %r13,%rbp
  test   %dil,%dil
  jne    L56
  jmp    L42
L28:
  movsbl 0x1(%rbp),%edi
  add    $0x1,%rbp
  sub    $0x1,%r12d
  test   %dil,%dil
  je     L33
L56:
  call   <isspace@plt>
  test   %rax,%rax
  jne    L28
L33:
  cmp    %rbp,%r13
  je     L42
  add    $0x8,%rsp
  mov    %r12d,%edx
  mov    %rbp,%rsi
  mov    %r13,%rdi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    1090 <memmove@plt>
  nopl   0x0(%rax,%rax,1)
L23:
  xor    %r12d,%r12d
  jmp    L63
  nopl   (%rax)
L42:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void strip_whitespace(char *p) {
  int len = strlen(p);
  char *p2 = p;
  while (len && isspace(p[len - 1]))
    p[--len] = '\0';
  while ((*p2) && isspace(*p2)) {
    p2++;
    len--;
  }
  if (p != p2)
    memmove(p, p2, len);
}
```
user: What is the c source code of the assembly code below?

```asm
<strip_whitespace>:
  endbr64
  push   %r13
  mov    %rdi,%r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <strlen@plt>
  movslq %eax,%rbx
  test   %eax,%eax
  jne    L10
  jmp    L50
  nop
L27:
  movb   $0x0,-0x1(%r13,%rbx,1)
  sub    $0x1,%rbx
  test   %ebx,%ebx
  je     L50
L10:
  movsbl -0x1(%r13,%rbx,1),%edi
  mov    %ebx,%r12d
  call   <isspace@plt>
  test   %rax,%rax
  jne    L27
L35:
  movsbl 0x0(%r13),%edi
  mov    %r13,%rbp
  test   %dil,%dil
  jne    L83
  jmp    L11
L71:
  movsbl 0x1(%rbp),%edi
  add    $0x1,%rbp
  sub    $0x1,%r12d
  test   %dil,%dil
  je     L54
L83:
  call   <isspace@plt>
  test   %rax,%rax
  jne    L71
L54:
  cmp    %rbp,%r13
  je     L11
  add    $0x8,%rsp
  mov    %r12d,%edx
  mov    %rbp,%rsi
  mov    %r13,%rdi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    1090 <memmove@plt>
  nopl   0x0(%rax,%rax,1)
L50:
  xor    %r12d,%r12d
  jmp    L35
  nopl   (%rax)
L11:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void strip_whitespace(char *p) {
  int len = strlen(p);
  char *p2 = p;
  while (len && isspace(p[len - 1]))
    p[--len] = '\0';
  while ((*p2) && isspace(*p2)) {
    p2++;
    len--;
  }
  if (p != p2)
    memmove(p, p2, len);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %edi,-0x34(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    D16(%rip),%rax
  mov    (%rax),%edx
  mov    -0x40(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <open@plt>
  mov    %eax,-0x2c(%rbp)
  mov    D13(%rip),%rax
  mov    (%rax),%edx
  mov    D22(%rip),%rax
  mov    (%rax),%eax
  mov    %edx,%ecx
  or     %eax,%ecx
  mov    -0x40(%rbp),%rax
  add    $0x10,%rax
  mov    (%rax),%rax
  mov    $0x1ff,%edx
  mov    %ecx,%esi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <open@plt>
  mov    %eax,-0x28(%rbp)
  mov    -0x2c(%rbp),%eax
  mov    $0x0,%esi
  mov    %eax,%edi
  call   <dup2@plt>
  mov    -0x28(%rbp),%eax
  mov    $0x1,%esi
  mov    %eax,%edi
  call   <dup2@plt>
  jmp    L1
L19:
  mov    -0x24(%rbp),%edx
  lea    -0x20(%rbp),%rax
  mov    %rax,%rsi
  mov    $0x1,%edi
  call   <write@plt>
L1:
  lea    -0x20(%rbp),%rax
  mov    $0x14,%edx
  mov    %rax,%rsi
  mov    $0x0,%edi
  call   <read@plt>
  mov    %eax,-0x24(%rbp)
  cmpl   $0x0,-0x24(%rbp)
  jne    L19
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L24
  call   <__stack_chk_fail@plt>
L24:
  leave
  ret
```

assistant: ```c
int main(int argc, char *argv[]) {
  int fdIn = open(argv[1], O_RDONLY);
  int fdOut = open(argv[2], O_WRONLY | O_CREAT, 0777);
  dup2(fdIn, 0);
  dup2(fdOut, 1);
  int readCount;
  char buffer[20];
  while (readCount = read(0, buffer, 20)) {
    write(1, buffer, readCount);
  }
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rsi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    0x8(%rsi),%rdi
  mov    D15(%rip),%rax
  mov    (%rax),%esi
  mov    $0x0,%eax
  call   <open@plt>
  mov    %eax,%ebp
  mov    D6(%rip),%rax
  mov    (%rax),%esi
  mov    D3(%rip),%rax
  or     (%rax),%esi
  mov    0x10(%rbx),%rdi
  mov    $0x1ff,%edx
  mov    $0x0,%eax
  call   <open@plt>
  mov    %eax,%ebx
  mov    $0x0,%esi
  mov    %ebp,%edi
  call   <dup2@plt>
  mov    $0x1,%esi
  mov    %ebx,%edi
  call   <dup2@plt>
  mov    %rsp,%rbx
  jmp    L1
L16:
  mov    %rbx,%rsi
  mov    $0x1,%edi
  call   <write@plt>
L1:
  mov    $0x14,%edx
  mov    %rbx,%rsi
  mov    $0x0,%edi
  call   <read@plt>
  mov    %eax,%edx
  test   %eax,%eax
  jne    L16
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L26
  mov    $0x0,%eax
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  ret
L26:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main(int argc, char *argv[]) {
  int fdIn = open(argv[1], O_RDONLY);
  int fdOut = open(argv[2], O_WRONLY | O_CREAT, 0777);
  dup2(fdIn, 0);
  dup2(fdOut, 1);
  int readCount;
  char buffer[20];
  while (readCount = read(0, buffer, 20)) {
    write(1, buffer, readCount);
  }
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<main>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x20,%rsp
  mov    0x8(%rsi),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    D22(%rip),%rax
  mov    (%rax),%esi
  xor    %eax,%eax
  call   <open@plt>
  mov    0x10(%rbx),%rdi
  mov    $0x1ff,%edx
  mov    %rsp,%rbx
  mov    %eax,%r12d
  mov    D15(%rip),%rax
  mov    (%rax),%esi
  mov    D3(%rip),%rax
  or     (%rax),%esi
  xor    %eax,%eax
  call   <open@plt>
  xor    %esi,%esi
  mov    %r12d,%edi
  mov    %eax,%ebp
  call   <dup2@plt>
  mov    $0x1,%esi
  mov    %ebp,%edi
  call   <dup2@plt>
  jmp    L9
  nopl   (%rax)
L8:
  mov    %rbx,%rsi
  mov    $0x1,%edi
  call   <write@plt>
L9:
  mov    $0x14,%edx
  mov    %rbx,%rsi
  xor    %edi,%edi
  call   <read@plt>
  mov    %eax,%edx
  test   %eax,%eax
  jne    L8
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L14
  add    $0x20,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L14:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main(int argc, char *argv[]) {
  int fdIn = open(argv[1], O_RDONLY);
  int fdOut = open(argv[2], O_WRONLY | O_CREAT, 0777);
  dup2(fdIn, 0);
  dup2(fdOut, 1);
  int readCount;
  char buffer[20];
  while (readCount = read(0, buffer, 20)) {
    write(1, buffer, readCount);
  }
  return 0;
}
```