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

```asm
<FKO_ReadLine>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  test   %rdi,%rdi
  je     L57
  mov    D9(%rip),%esi
  mov    %rdi,%r12
  test   %esi,%esi
  je     L61
L44:
  mov    D4(%rip),%rdx
  mov    %r12,%rdi
  call   <GetLineWithChars@plt>
  mov    %eax,%ebp
  test   %eax,%eax
  je     L33
  mov    D4(%rip),%rdi
  movslq %eax,%rbx
  cmpb   $0xa,-0x1(%rdi,%rbx,1)
  je     L108
  mov    D9(%rip),%r13d
  nopl   0x0(%rax)
L11:
  add    %r13d,%r13d
  mov    %r13d,%esi
  call   <realloc@plt>
  mov    %rax,%rdi
  mov    %rax,D105(%rip)
  call   <assert@plt>
  add    D105(%rip),%rbx
  mov    D9(%rip),%esi
  mov    %r12,%rdx
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %eax,%eax
  je     L82
  mov    D105(%rip),%rdi
  movslq %ebp,%rbx
  mov    %r13d,D105(%rip)
  cmpb   $0x0,(%rdi,%rbx,1)
  je     L47
  add    $0x1,%ebp
  movslq %ebp,%rax
  nopl   0x0(%rax,%rax,1)
L4:
  mov    %eax,%ebp
  mov    %rax,%rbx
  add    $0x1,%rax
  cmpb   $0x0,-0x1(%rdi,%rax,1)
  jne    L4
L47:
  cmpb   $0xa,-0x1(%rdi,%rbx,1)
  jne    L11
L108:
  add    $0x8,%rsp
  mov    %rdi,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L82:
  mov    D105(%rip),%rdi
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  mov    %rdi,%rax
  pop    %r12
  pop    %r13
  ret
L61:
  mov    $0x80,%edi
  call   <malloc@plt>
  movl   $0x80,D105(%rip)
  mov    %rax,%rdi
  mov    %rax,D105(%rip)
  call   <assert@plt>
  mov    D105(%rip),%esi
  jmp    L44
L33:
  add    $0x8,%rsp
  xor    %edi,%edi
  pop    %rbx
  mov    %rdi,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L57:
  mov    D105(%rip),%rdi
  test   %rdi,%rdi
  je     L86
  call   <free@plt>
L86:
  movl   $0x0,D105(%rip)
  xor    %edi,%edi
  jmp    L108
```

assistant: ```c
char *FKO_ReadLine(FILE *fp) {
  int i;
  static int len = 0;
  static char *ln = NULL;
  if (!fp) {
    if (ln)
      free(ln);
    len = 0;
    return (NULL);
  }
  if (!len) {
    ln = malloc(128);
    len = 128;
    assert(ln);
  }
  i = GetLineWithChars(fp, len, ln);
  if (!i)
    return (NULL);
  while (ln[i - 1] != '\n') {
    int len2;
    len2 = len + len;
    ln = realloc(ln, len2);
    assert(ln);
    if (!fgets(ln + i, len, fp))
      break;
    len = len2;
    for (; ln[i]; i++)
      ;
  }
  return (ln);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<ExpandEscapesInto>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r12
  push   %rbx
  sub    $0x10,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    $0x0,%edi
  mov    $0x0,%eax
  call   <GetOption@plt>
  mov    %eax,%r12d
  jmp    L57
L15:
  cmp    $0x1f,%bl
  jle    L137
  cmp    $0x7c,%bl
  je     L137
  cmp    $0x22,%bl
  je     L137
  cmp    $0x5c,%bl
  jne    L56
L137:
  test   %r12d,%r12d
  je     L34
  movsbl %bl,%eax
  cmp    $0x7c,%eax
  je     L6
  cmp    $0x7c,%eax
  jg     L207
  cmp    $0x22,%eax
  jg     L79
  cmp    $0x8,%eax
  jl     L207
  sub    $0x8,%eax
  cmp    $0x1a,%eax
  ja     L207
  mov    %eax,%eax
  lea    0x0(,%rax,4),%rdx
  lea    D15(%rip),%rax
  mov    (%rdx,%rax,1),%eax
  cltq
  lea    D15(%rip),%rdx
  add    %rdx,%rax
  notrack jmp *%rax
L79:
  cmp    $0x5c,%eax
  je     L6
  jmp    L207
  mov    $0x72,%ebx
  jmp    L34
  mov    $0x62,%ebx
  jmp    L34
  mov    $0x74,%ebx
  jmp    L34
  mov    $0x6e,%ebx
  jmp    L34
  mov    $0x66,%ebx
  jmp    L34
L207:
  mov    $0x3f,%ebx
  jmp    L34
L6:
  nop
L34:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movb   $0x5c,(%rax)
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  mov    %bl,(%rax)
  jmp    L57
L56:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  mov    %bl,(%rax)
L57:
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  movzbl (%rax),%ebx
  test   %bl,%bl
  jne    L15
  mov    -0x18(%rbp),%rax
  movb   $0x0,(%rax)
  nop
  add    $0x10,%rsp
  pop    %rbx
  pop    %r12
  pop    %rbp
  ret
```

assistant: ```c
void ExpandEscapesInto(d, s) char *d, *s;
{
  register char c;
  register int ss = GetOption(0);
  while (c = *s++) {
    if ((c < ' ') || (c > 128) || (c == '|') || (c == '"') || (c == '\\')) {
      if (ss) {
        switch (c) {
        case '\r':
          c = 'r';
          break;
        case '\b':
          c = 'b';
          break;
        case '\t':
          c = 't';
          break;
        case '\n':
          c = 'n';
          break;
        case '\f':
          c = 'f';
          break;
        case '\\':
        case '|':
        case '"':
          break;
        default:
          c = '?';
          break;
        };
      };
      *d++ = '\\';
      *d++ = c;
    } else
      *d++ = c;
  };
  *d = '\0';
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<ExpandEscapesInto>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  mov    $0x0,%edi
  mov    $0x0,%eax
  call   <GetOption@plt>
  movzbl 0x0(%rbp),%edx
  test   %dl,%dl
  je     L177
  lea    0x1(%rbp),%rcx
  mov    $0x3f,%r8d
  lea    D3(%rip),%rdi
  jmp    L124
L64:
  test   %eax,%eax
  je     L144
  cmp    $0x22,%dl
  jg     L108
  cmp    $0x7,%dl
  jle    L17
  lea    -0x8(%rdx),%esi
  cmp    $0x1a,%sil
  ja     L77
  movzbl %sil,%esi
  movslq (%rdi,%rsi,4),%rsi
  add    %rdi,%rsi
  notrack jmp *%rsi
  mov    $0x72,%edx
  jmp    L144
L77:
  mov    $0x3f,%edx
  jmp    L144
L108:
  mov    %edx,%esi
  and    $0xffffffdf,%esi
  cmp    $0x5c,%sil
  cmovne %r8d,%edx
L144:
  movb   $0x5c,(%rbx)
  mov    %dl,0x1(%rbx)
  lea    0x2(%rbx),%rbx
L139:
  add    $0x1,%rcx
  movzbl -0x1(%rcx),%edx
  test   %dl,%dl
  je     L177
L124:
  cmp    $0x1f,%dl
  jle    L64
  mov    %edx,%esi
  and    $0xffffffdf,%esi
  cmp    $0x5c,%sil
  je     L64
  cmp    $0x22,%dl
  je     L64
  mov    %dl,(%rbx)
  lea    0x1(%rbx),%rbx
  jmp    L139
  mov    $0x74,%edx
  jmp    L144
  mov    $0x6e,%edx
  jmp    L144
  mov    $0x66,%edx
  jmp    L144
L17:
  mov    $0x3f,%edx
  jmp    L144
  mov    $0x62,%edx
  jmp    L144
L177:
  movb   $0x0,(%rbx)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void ExpandEscapesInto(d, s) char *d, *s;
{
  register char c;
  register int ss = GetOption(0);
  while (c = *s++) {
    if ((c < ' ') || (c > 128) || (c == '|') || (c == '"') || (c == '\\')) {
      if (ss) {
        switch (c) {
        case '\r':
          c = 'r';
          break;
        case '\b':
          c = 'b';
          break;
        case '\t':
          c = 't';
          break;
        case '\n':
          c = 'n';
          break;
        case '\f':
          c = 'f';
          break;
        case '\\':
        case '|':
        case '"':
          break;
        default:
          c = '?';
          break;
        };
      };
      *d++ = '\\';
      *d++ = c;
    } else
      *d++ = c;
  };
  *d = '\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
<ExpandEscapesInto>:
  endbr64
  push   %rbp
  xor    %eax,%eax
  mov    %rsi,%rbp
  push   %rbx
  mov    %rdi,%rbx
  xor    %edi,%edi
  sub    $0x8,%rsp
  call   <GetOption@plt>
  movzbl 0x0(%rbp),%edx
  test   %dl,%dl
  je     L88
  lea    0x1(%rbp),%rcx
  lea    D8(%rip),%rsi
  mov    $0x3f,%edi
  test   %eax,%eax
  je     L116
  cmp    $0x1f,%dl
  jg     L94
  xchg   %ax,%ax
L112:
  cmp    $0x7,%dl
  jle    L70
L185:
  lea    -0x8(%rdx),%eax
  cmp    $0x1a,%al
  ja     L70
  movzbl %al,%eax
  movslq (%rsi,%rax,4),%rax
  add    %rsi,%rax
  notrack jmp *%rax
  nopl   0x0(%rax)
L13:
  mov    %edx,%eax
  and    $0xffffffdf,%eax
  cmp    $0x5c,%al
  je     L125
  cmp    $0x22,%dl
  je     L125
  add    $0x1,%rcx
  mov    %dl,(%rbx)
  add    $0x1,%rbx
  movzbl -0x1(%rcx),%edx
  test   %dl,%dl
  je     L88
L116:
  cmp    $0x1f,%dl
  jg     L13
L125:
  add    $0x1,%rcx
  movb   $0x5c,(%rbx)
  add    $0x2,%rbx
  mov    %dl,-0x1(%rbx)
  movzbl -0x1(%rcx),%edx
  test   %dl,%dl
  jne    L116
L88:
  movb   $0x0,(%rbx)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopl   (%rax)
L70:
  mov    $0x3f,%edx
L28:
  movb   $0x5c,(%rbx)
  add    $0x2,%rbx
  mov    %dl,-0x1(%rbx)
L154:
  movzbl (%rcx),%edx
  add    $0x1,%rcx
  test   %dl,%dl
  je     L88
  cmp    $0x1f,%dl
  jle    L112
L94:
  mov    %edx,%eax
  and    $0xffffffdf,%eax
  cmp    $0x5c,%al
  je     L9
  cmp    $0x22,%dl
  je     L9
  mov    %dl,(%rbx)
  add    $0x1,%rbx
  jmp    L154
  nopl   0x0(%rax)
L9:
  cmp    $0x22,%dl
  jle    L185
  mov    %edx,%eax
  and    $0xffffffdf,%eax
  cmp    $0x5c,%al
  cmovne %edi,%edx
  jmp    L28
  mov    $0x66,%edx
  jmp    L28
  mov    $0x6e,%edx
  jmp    L28
  mov    $0x74,%edx
  jmp    L28
  mov    $0x62,%edx
  jmp    L28
  mov    $0x72,%edx
  jmp    L28
```

assistant: ```c
void ExpandEscapesInto(d, s) char *d, *s;
{
  register char c;
  register int ss = GetOption(0);
  while (c = *s++) {
    if ((c < ' ') || (c > 128) || (c == '|') || (c == '"') || (c == '\\')) {
      if (ss) {
        switch (c) {
        case '\r':
          c = 'r';
          break;
        case '\b':
          c = 'b';
          break;
        case '\t':
          c = 't';
          break;
        case '\n':
          c = 'n';
          break;
        case '\f':
          c = 'f';
          break;
        case '\\':
        case '|':
        case '"':
          break;
        default:
          c = '?';
          break;
        };
      };
      *d++ = '\\';
      *d++ = c;
    } else
      *d++ = c;
  };
  *d = '\0';
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<_gettimeofday>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    -0x8(%rbp),%rax
  movq   $0x0,0x8(%rax)
  mov    -0x8(%rbp),%rax
  movq   $0x0,(%rax)
  mov    $0x0,%eax
  pop    %rbp
  ret
```

assistant: ```c
int _gettimeofday(struct timeval *tv, struct timezone *tz) {
  tv->tv_sec = 0;
  tv->tv_usec = 0;
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<_gettimeofday>:
  endbr64
  movq   $0x0,0x8(%rdi)
  movq   $0x0,(%rdi)
  mov    $0x0,%eax
  ret
```

assistant: ```c
int _gettimeofday(struct timeval *tv, struct timezone *tz) {
  tv->tv_sec = 0;
  tv->tv_usec = 0;
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<_gettimeofday>:
  endbr64
  movq   $0x0,0x8(%rdi)
  xor    %eax,%eax
  movq   $0x0,(%rdi)
  ret
```

assistant: ```c
int _gettimeofday(struct timeval *tv, struct timezone *tz) {
  tv->tv_sec = 0;
  tv->tv_usec = 0;
  return 0;
}
```
user: What is the c source code of the assembly code below:

```asm
<_gettimeofday>:
  endbr64
  pxor   %xmm0,%xmm0
  xor    %eax,%eax
  movups %xmm0,(%rdi)
  ret
```

assistant: ```c
int _gettimeofday(struct timeval *tv, struct timezone *tz) {
  tv->tv_sec = 0;
  tv->tv_usec = 0;
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<iglsadf1t>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  movsd  %xmm0,-0x18(%rbp)
  mov    %rdi,-0x20(%rbp)
  mov    %esi,-0x24(%rbp)
  mov    %edx,-0x28(%rbp)
  mov    %rcx,-0x30(%rbp)
  pxor   %xmm1,%xmm1
  cvtsi2sdl -0x28(%rbp),%xmm1
  movsd  D4(%rip),%xmm0
  divsd  %xmm1,%xmm0
  movsd  %xmm0,-0x8(%rbp)
  movl   $0x0,-0xc(%rbp)
  jmp    L19
L7:
  mov    -0x24(%rbp),%eax
  add    $0x1,%eax
  imul   -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rax,%rdx
  movsd  -0x8(%rbp),%xmm0
  mov    -0x24(%rbp),%esi
  mov    -0x20(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  movapd %xmm0,%xmm1
  mov    %rcx,%rdi
  movq   %rax,%xmm0
  call   <iglsadff1t@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x18(%rbp)
  addl   $0x1,-0xc(%rbp)
L19:
  mov    -0xc(%rbp),%eax
  cmp    -0x28(%rbp),%eax
  jl     L7
  movsd  -0x18(%rbp),%xmm0
  movq   %xmm0,%rax
  movq   %rax,%xmm0
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: tag: D4
type_guessed: byte[8]

tool: {"D4": [0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0xbf]}

assistant: ```c
double iglsadf1t(double x, double *c, const int m, const int n, double *d) {
  int i;
  double g;
  g = -1.0 / (double)n;
  for (i = 0; i < n; i++)
    x = iglsadff1t(x, c, m, g, &d[i * (m + 1)]);
  return (x);
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<iglsadf1t>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  pxor   %xmm1,%xmm1
  cvtsi2sd %edx,%xmm1
  movsd  D7(%rip),%xmm2
  divsd  %xmm1,%xmm2
  movsd  %xmm2,0x8(%rsp)
  test   %edx,%edx
  jle    L1
  mov    %rdi,%r14
  mov    %esi,%r13d
  mov    %edx,%r12d
  movslq %esi,%rax
  lea    0x8(,%rax,8),%r15
  mov    %rcx,%rbx
  mov    $0x0,%ebp
L18:
  mov    %rbx,%rdx
  movsd  0x8(%rsp),%xmm1
  mov    %r13d,%esi
  mov    %r14,%rdi
  call   <iglsadff1t@plt>
  add    $0x1,%ebp
  add    %r15,%rbx
  cmp    %ebp,%r12d
  jne    L18
L1:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

tool_calls: name: disassemble_data
arguments: data_label: D7
datatype: byte[8]

tool: {"D7": [0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0xbf]}

assistant: ```c
double iglsadf1t(double x, double *c, const int m, const int n, double *d) {
  int i;
  double g;
  g = -1.0 / (double)n;
  for (i = 0; i < n; i++)
    x = iglsadff1t(x, c, m, g, &d[i * (m + 1)]);
  return (x);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<iglsadf1t>:
  endbr64
  pxor   %xmm2,%xmm2
  movsd  D2(%rip),%xmm1
  cvtsi2sd %edx,%xmm2
  divsd  %xmm2,%xmm1
  test   %edx,%edx
  jle    L0
  push   %r15
  xor    %r15d,%r15d
  push   %r14
  mov    %rcx,%r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  mov    %esi,%r12d
  push   %rbp
  lea    0x1(%rsi),%ebp
  push   %rbx
  movslq %ebp,%rbp
  mov    %edx,%ebx
  shl    $0x3,%rbp
  sub    $0x18,%rsp
  nopw   0x0(%rax,%rax,1)
L4:
  mov    %r14,%rdx
  mov    %r12d,%esi
  mov    %r13,%rdi
  add    $0x1,%r15d
  movsd  %xmm1,0x8(%rsp)
  add    %rbp,%r14
  call   <iglsadff1t@plt>
  cmp    %r15d,%ebx
  movsd  0x8(%rsp),%xmm1
  jne    L4
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L0:
  ret
```

tool_calls: name: read_data
arguments: data_tag: D2
datatype: byte[8]

tool: {"D2": [0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0xbf]}

assistant: ```c
double iglsadf1t(double x, double *c, const int m, const int n, double *d) {
  int i;
  double g;
  g = -1.0 / (double)n;
  for (i = 0; i < n; i++)
    x = iglsadff1t(x, c, m, g, &d[i * (m + 1)]);
  return (x);
}
```
user: Translate the below assembly code into C programming language:

```asm
<iglsadf1t>:
  endbr64
  pxor   %xmm2,%xmm2
  movsd  D7(%rip),%xmm1
  cvtsi2sd %edx,%xmm2
  divsd  %xmm2,%xmm1
  test   %edx,%edx
  jle    L15
  push   %r15
  xor    %r15d,%r15d
  push   %r14
  mov    %rcx,%r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  mov    %esi,%r12d
  push   %rbp
  lea    0x1(%rsi),%ebp
  push   %rbx
  movslq %ebp,%rbp
  mov    %edx,%ebx
  shl    $0x3,%rbp
  sub    $0x18,%rsp
  nopw   0x0(%rax,%rax,1)
L16:
  mov    %r14,%rdx
  mov    %r12d,%esi
  mov    %r13,%rdi
  add    $0x1,%r15d
  movsd  %xmm1,0x8(%rsp)
  add    %rbp,%r14
  call   <iglsadff1t@plt>
  cmp    %r15d,%ebx
  movsd  0x8(%rsp),%xmm1
  jne    L16
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L15:
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D7
type: byte[8]

tool: {"D7": [0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0xbf]}

assistant: ```c
double iglsadf1t(double x, double *c, const int m, const int n, double *d) {
  int i;
  double g;
  g = -1.0 / (double)n;
  for (i = 0; i < n; i++)
    x = iglsadff1t(x, c, m, g, &d[i * (m + 1)]);
  return (x);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<trail_space>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L40
L13:
  addl   $0x1,-0x4(%rbp)
L40:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L13
  cmpl   $0x0,-0x4(%rbp)
  je     L23
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rax,%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
L23:
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  sub    $0x1,%eax
  mov    %eax,-0x4(%rbp)
  jmp    L50
L38:
  mov    -0x4(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,-0x4(%rbp)
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
L50:
  cmpl   $0x0,-0x4(%rbp)
  jle    L15
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L38
L15:
  nop
  leave
  ret
```

assistant: ```c
void trail_space(char *s) {
  int i = 0;
  while (isspace(s[i]))
    ++i;
  if (i)
    strcpy(s, s + i);
  i = strlen(s) - 1;
  while (i > 0 && isspace(s[i]))
    s[i--] = '\0';
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<trail_space>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r12
  mov    %rdi,%rbx
  mov    $0x0,%ebp
  jmp    L55
L52:
  add    $0x1,%ebp
L55:
  mov    %rbx,%r13
  movsbl (%rbx),%edi
  call   <isspace@plt>
  add    $0x1,%rbx
  test   %rax,%rax
  jne    L52
  test   %ebp,%ebp
  jne    L17
L56:
  mov    %r12,%rdi
  call   <strlen@plt>
  lea    -0x1(%rax),%ebx
  test   %ebx,%ebx
  jle    L64
  movslq %ebx,%rbx
  add    %r12,%rbx
  movslq %eax,%rdx
  lea    -0x2(%r12,%rdx,1),%rbp
  lea    -0x2(%rax),%eax
  sub    %rax,%rbp
L6:
  movsbl (%rbx),%edi
  call   <isspace@plt>
  test   %rax,%rax
  je     L64
  movb   $0x0,(%rbx)
  sub    $0x1,%rbx
  cmp    %rbp,%rbx
  jne    L6
L64:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L17:
  mov    %r13,%rsi
  mov    %r12,%rdi
  call   <strcpy@plt>
  jmp    L56
```

assistant: ```c
void trail_space(char *s) {
  int i = 0;
  while (isspace(s[i]))
    ++i;
  if (i)
    strcpy(s, s + i);
  i = strlen(s) - 1;
  while (i > 0 && isspace(s[i]))
    s[i--] = '\0';
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<trail_space>:
  endbr64
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  xor    %ebp,%ebp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x8,%rsp
  jmp    L12
  nopl   0x0(%rax,%rax,1)
L45:
  add    $0x1,%ebp
L12:
  movsbl (%rbx),%edi
  mov    %rbx,%r13
  add    $0x1,%rbx
  call   <isspace@plt>
  test   %rax,%rax
  jne    L45
  test   %ebp,%ebp
  jne    L13
L18:
  mov    %r12,%rdi
  call   <strlen@plt>
  lea    -0x1(%rax),%ebx
  test   %ebx,%ebx
  jle    L67
  movslq %eax,%rdx
  movslq %ebx,%rbx
  sub    $0x2,%eax
  lea    -0x2(%r12,%rdx,1),%rbp
  add    %r12,%rbx
  sub    %rax,%rbp
  jmp    L75
L9:
  movb   $0x0,(%rbx)
  sub    $0x1,%rbx
  cmp    %rbp,%rbx
  je     L67
L75:
  movsbl (%rbx),%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L9
L67:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L13:
  mov    %r13,%rsi
  mov    %r12,%rdi
  call   <strcpy@plt>
  jmp    L18
```

assistant: ```c
void trail_space(char *s) {
  int i = 0;
  while (isspace(s[i]))
    ++i;
  if (i)
    strcpy(s, s + i);
  i = strlen(s) - 1;
  while (i > 0 && isspace(s[i]))
    s[i--] = '\0';
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<trail_space>:
  endbr64
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  xor    %ebp,%ebp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x8,%rsp
  jmp    L73
  nopl   0x0(%rax,%rax,1)
L60:
  add    $0x1,%ebp
L73:
  movsbl (%rbx),%edi
  mov    %rbx,%r13
  add    $0x1,%rbx
  call   <isspace@plt>
  test   %rax,%rax
  jne    L60
  test   %ebp,%ebp
  jne    L45
L20:
  mov    %r12,%rdi
  call   <strlen@plt>
  lea    -0x1(%rax),%ebx
  test   %ebx,%ebx
  jle    L42
  movslq %eax,%rdx
  movslq %ebx,%rbx
  sub    $0x2,%eax
  lea    -0x2(%r12,%rdx,1),%rbp
  add    %r12,%rbx
  sub    %rax,%rbp
  jmp    L66
L30:
  movb   $0x0,(%rbx)
  sub    $0x1,%rbx
  cmp    %rbp,%rbx
  je     L42
L66:
  movsbl (%rbx),%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L30
L42:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L45:
  mov    %r13,%rsi
  mov    %r12,%rdi
  call   <strcpy@plt>
  jmp    L20
```

assistant: ```c
void trail_space(char *s) {
  int i = 0;
  while (isspace(s[i]))
    ++i;
  if (i)
    strcpy(s, s + i);
  i = strlen(s) - 1;
  while (i > 0 && isspace(s[i]))
    s[i--] = '\0';
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<findElem>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %edx,-0x20(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L5
L8:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  cmp    %eax,-0x20(%rbp)
  jne    L25
  mov    -0x4(%rbp),%eax
  jmp    L18
L25:
  addl   $0x1,-0x4(%rbp)
L5:
  mov    -0x4(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jl     L8
  mov    $0xffffffff,%eax
L18:
  pop    %rbp
  ret
```

assistant: ```c
int findElem(int a[], int size, int elem) {
  for (int i = 0; i < size; i++)
    if (a[i] == elem)
      return i;
  return -1;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<findElem>:
  endbr64
  test   %esi,%esi
  jle    L24
  mov    %esi,%esi
  mov    $0x0,%eax
L8:
  mov    %eax,%ecx
  cmp    %edx,(%rdi,%rax,4)
  je     L11
  add    $0x1,%rax
  cmp    %rsi,%rax
  jne    L8
  mov    $0xffffffff,%ecx
L11:
  mov    %ecx,%eax
  ret
L24:
  mov    $0xffffffff,%ecx
  jmp    L11
```

assistant: ```c
int findElem(int a[], int size, int elem) {
  for (int i = 0; i < size; i++)
    if (a[i] == elem)
      return i;
  return -1;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<findElem>:
  endbr64
  test   %esi,%esi
  jle    L36
  movslq %esi,%rsi
  xor    %eax,%eax
  jmp    L33
  nop
L9:
  add    $0x1,%rax
  cmp    %rsi,%rax
  je     L36
L33:
  mov    %eax,%r8d
  cmp    %edx,(%rdi,%rax,4)
  jne    L9
  mov    %r8d,%eax
  ret
  nopl   (%rax)
L36:
  mov    $0xffffffff,%r8d
  mov    %r8d,%eax
  ret
```

assistant: ```c
int findElem(int a[], int size, int elem) {
  for (int i = 0; i < size; i++)
    if (a[i] == elem)
      return i;
  return -1;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<findElem>:
  endbr64
  test   %esi,%esi
  jle    L28
  movslq %esi,%rsi
  xor    %eax,%eax
  jmp    L38
  nop
L37:
  add    $0x1,%rax
  cmp    %rsi,%rax
  je     L28
L38:
  mov    %eax,%r8d
  cmp    %edx,(%rdi,%rax,4)
  jne    L37
  mov    %r8d,%eax
  ret
  nopl   (%rax)
L28:
  mov    $0xffffffff,%r8d
  mov    %r8d,%eax
  ret
```

assistant: ```c
int findElem(int a[], int size, int elem) {
  for (int i = 0; i < size; i++)
    if (a[i] == elem)
      return i;
  return -1;
}
```
user: Translate the below assembly code into C programming language:

```asm
<draw_border>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  movq   $0xa0000,-0x8(%rbp)
  movl   $0x0,-0xc(%rbp)
  jmp    L11
L8:
  mov    -0xc(%rbp),%eax
  and    $0xf,%eax
  mov    %eax,%edx
  mov    -0x8(%rbp),%rax
  mov    %dl,(%rax)
  addq   $0x1,-0x8(%rbp)
  addl   $0x1,-0xc(%rbp)
L11:
  cmpl   $0xffff,-0xc(%rbp)
  jle    L8
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void draw_border() {
  int i;
  char *p;
  p = (char *)0xa0000;
  for (i = 0; i <= 0xffff; i++) {
    *p = i & 0xf;
    p++;
  }
}
```
user: What is the c source code of the assembly code below:

```asm
<draw_border>:
  endbr64
  mov    $0xa0000,%eax
L4:
  mov    %eax,%edx
  and    $0xf,%edx
  mov    %dl,(%rax)
  add    $0x1,%rax
  cmp    $0xb0000,%rax
  jne    L4
  ret
```

assistant: ```c
void draw_border() {
  int i;
  char *p;
  p = (char *)0xa0000;
  for (i = 0; i <= 0xffff; i++) {
    *p = i & 0xf;
    p++;
  }
}
```