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
<print>:
  endbr64
  test   %esi,%esi
  jle    L12
  lea    -0x1(%rsi),%eax
  push   %r12
  lea    0x4(%rdi,%rax,4),%r12
  push   %rbp
  lea    D7(%rip),%rbp
  push   %rbx
  mov    %rdi,%rbx
  xchg   %ax,%ax
L9:
  mov    (%rbx),%esi
  mov    %rbp,%rdi
  xor    %eax,%eax
  add    $0x4,%rbx
  call   <printf@plt>
  cmp    %r12,%rbx
  jne    L9
  pop    %rbx
  mov    $0xa,%edi
  pop    %rbp
  pop    %r12
  jmp    1060 <putchar@plt>
  nopl   0x0(%rax,%rax,1)
L12:
  mov    $0xa,%edi
  jmp    1060 <putchar@plt>
```

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

tool: D7:  %d

assistant: ```c
void print(int a[], int n) {
  int i;
  for (i = 0; i < n; i++)
    printf(" %d", a[i]);
  printf("\n");
}
```
user: What is the c source code of the assembly code below?

```asm
<copystring>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  je     L4
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    $0x1,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x18(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  mov    -0x8(%rbp),%rax
  jmp    L9
L4:
  mov    $0x0,%eax
L9:
  leave
  ret
```

assistant: ```c
char *copystring(const char *s) {
  if (s) {
    char *ret = malloc((strlen(s) + 1) * sizeof(char));
    strcpy(ret, s);
    return (ret);
  }
  return (NULL);
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<copystring>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  test   %rdi,%rdi
  je     L7
  mov    %rdi,%rbx
  call   <strlen@plt>
  lea    0x1(%rax),%edi
  call   <malloc@plt>
  mov    %rax,%rbp
  mov    %rbx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
L7:
  mov    %rbp,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
char *copystring(const char *s) {
  if (s) {
    char *ret = malloc((strlen(s) + 1) * sizeof(char));
    strcpy(ret, s);
    return (ret);
  }
  return (NULL);
}
```
user: Translate the below assembly code into C programming language:

```asm
<copystring>:
  endbr64
  push   %r12
  xor    %r12d,%r12d
  push   %rbp
  sub    $0x8,%rsp
  test   %rdi,%rdi
  je     L3
  mov    %rdi,%rbp
  call   <strlen@plt>
  lea    0x1(%rax),%edi
  call   <malloc@plt>
  mov    %rbp,%rsi
  mov    %rax,%rdi
  mov    %rax,%r12
  call   <strcpy@plt>
L3:
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *copystring(const char *s) {
  if (s) {
    char *ret = malloc((strlen(s) + 1) * sizeof(char));
    strcpy(ret, s);
    return (ret);
  }
  return (NULL);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<copystring>:
  endbr64
  push   %r12
  xor    %r12d,%r12d
  push   %rbp
  sub    $0x8,%rsp
  test   %rdi,%rdi
  je     L7
  mov    %rdi,%rbp
  call   <strlen@plt>
  lea    0x1(%rax),%edi
  call   <malloc@plt>
  mov    %rbp,%rsi
  mov    %rax,%rdi
  mov    %rax,%r12
  call   <strcpy@plt>
L7:
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *copystring(const char *s) {
  if (s) {
    char *ret = malloc((strlen(s) + 1) * sizeof(char));
    strcpy(ret, s);
    return (ret);
  }
  return (NULL);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<randClumpedRange>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %esi,%ecx
  mov    %edx,%eax
  mov    %edi,%edx
  mov    %dx,-0x14(%rbp)
  mov    %ecx,%edx
  mov    %dx,-0x18(%rbp)
  mov    %ax,-0x1c(%rbp)
  movzwl -0x18(%rbp),%eax
  cmp    -0x14(%rbp),%ax
  jg     L18
  movzwl -0x14(%rbp),%eax
  jmp    L78
L18:
  cmpw   $0x1,-0x1c(%rbp)
  jg     L26
  movswl -0x18(%rbp),%edx
  movswl -0x14(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <rand_range@plt>
  jmp    L78
L26:
  movw   $0x0,-0x4(%rbp)
  movswl -0x18(%rbp),%eax
  movswl -0x14(%rbp),%edx
  sub    %edx,%eax
  movswl -0x1c(%rbp),%ecx
  cltd
  idiv   %ecx
  mov    %ax,-0x2(%rbp)
  movw   $0x0,-0x6(%rbp)
  jmp    L41
L42:
  movzwl -0x2(%rbp),%eax
  add    $0x1,%eax
  cwtl
  mov    %eax,%esi
  mov    $0x0,%edi
  call   <rand_range@plt>
  mov    %eax,%edx
  movzwl -0x4(%rbp),%eax
  add    %edx,%eax
  mov    %ax,-0x4(%rbp)
  movzwl -0x6(%rbp),%eax
  add    $0x1,%eax
  mov    %ax,-0x6(%rbp)
L41:
  movswl -0x6(%rbp),%ecx
  movswl -0x18(%rbp),%eax
  movswl -0x14(%rbp),%edx
  sub    %edx,%eax
  movswl -0x1c(%rbp),%esi
  cltd
  idiv   %esi
  mov    %edx,%eax
  cmp    %eax,%ecx
  jl     L42
  jmp    L40
L12:
  movswl -0x2(%rbp),%eax
  mov    %eax,%esi
  mov    $0x0,%edi
  call   <rand_range@plt>
  mov    %eax,%edx
  movzwl -0x4(%rbp),%eax
  add    %edx,%eax
  mov    %ax,-0x4(%rbp)
  movzwl -0x6(%rbp),%eax
  add    $0x1,%eax
  mov    %ax,-0x6(%rbp)
L40:
  movzwl -0x6(%rbp),%eax
  cmp    -0x1c(%rbp),%ax
  jl     L12
  movzwl -0x4(%rbp),%edx
  movzwl -0x14(%rbp),%eax
  add    %edx,%eax
L78:
  leave
  ret
```

assistant: ```c
short randClumpedRange(short lowerBound, short upperBound, short clumpFactor) {
  if (upperBound <= lowerBound) {
    return lowerBound;
  }
  if (clumpFactor <= 1) {
    return rand_range(lowerBound, upperBound);
  }
  short i, total = 0, numSides = (upperBound - lowerBound) / clumpFactor;
  for (i = 0; i < (upperBound - lowerBound) % clumpFactor; i++) {
    total += rand_range(0, numSides + 1);
  }
  for (; i < clumpFactor; i++) {
    total += rand_range(0, numSides);
  }
  return (total + lowerBound);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<randClumpedRange>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %edx,0x8(%rsp)
  mov    %edi,%eax
  cmp    %di,%si
  jle    L25
  mov    %edi,%r13d
  mov    %edx,%r15d
  cmp    $0x1,%dx
  jle    L40
  movswl %si,%eax
  movswl %di,%edx
  sub    %edx,%eax
  movswl 0x8(%rsp),%ecx
  cltd
  idiv   %ecx
  mov    %edx,%r14d
  mov    %ax,0xe(%rsp)
  test   %edx,%edx
  jle    L2
  mov    $0x0,%ebp
  mov    $0x0,%ebx
  add    $0x1,%eax
  movswl %ax,%r12d
L11:
  mov    %r12d,%esi
  mov    $0x0,%edi
  call   <rand_range@plt>
  add    %eax,%ebp
  add    $0x1,%ebx
  movswl %bx,%eax
  cmp    %r14d,%eax
  jl     L11
  cmp    0x8(%rsp),%bx
  jge    L15
L49:
  movswl 0xe(%rsp),%r12d
L0:
  mov    %r12d,%esi
  mov    $0x0,%edi
  call   <rand_range@plt>
  add    %eax,%ebp
  add    $0x1,%ebx
  cmp    %bx,%r15w
  jg     L0
L15:
  lea    0x0(%rbp,%r13,1),%eax
L25:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L40:
  movswl %si,%esi
  movswl %di,%edi
  call   <rand_range@plt>
  jmp    L25
L2:
  mov    $0x0,%ebp
  mov    $0x0,%ebx
  jmp    L49
```

assistant: ```c
short randClumpedRange(short lowerBound, short upperBound, short clumpFactor) {
  if (upperBound <= lowerBound) {
    return lowerBound;
  }
  if (clumpFactor <= 1) {
    return rand_range(lowerBound, upperBound);
  }
  short i, total = 0, numSides = (upperBound - lowerBound) / clumpFactor;
  for (i = 0; i < (upperBound - lowerBound) % clumpFactor; i++) {
    total += rand_range(0, numSides + 1);
  }
  for (; i < clumpFactor; i++) {
    total += rand_range(0, numSides);
  }
  return (total + lowerBound);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<randClumpedRange>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %edi,0xc(%rsp)
  mov    %edx,0x8(%rsp)
  cmp    %di,%si
  jle    L58
  movswl %si,%ebp
  movswl %di,%edi
  cmp    $0x1,%dx
  jle    L10
  sub    %edi,%ebp
  movswl 0x8(%rsp),%ecx
  mov    %edx,%r15d
  mov    %ebp,%eax
  cltd
  idiv   %ecx
  mov    %edx,%r14d
  mov    %eax,%ebp
  test   %edx,%edx
  jle    L22
  lea    0x1(%rax),%r12d
  xor    %ebx,%ebx
  xor    %r13d,%r13d
  movswl %r12w,%r12d
  nopl   0x0(%rax)
L29:
  mov    %r12d,%esi
  xor    %edi,%edi
  add    $0x1,%r13d
  call   <rand_range@plt>
  movswl %r13w,%ecx
  add    %ebx,%eax
  mov    %eax,%ebx
  cmp    %r14d,%ecx
  jl     L29
  cmp    0x8(%rsp),%r13w
  jge    L36
  nopl   0x0(%rax,%rax,1)
L23:
  mov    %ebp,%esi
  xor    %edi,%edi
  add    $0x1,%r13d
  call   <rand_range@plt>
  add    %ebx,%eax
  mov    %eax,%ebx
  cmp    %r15w,%r13w
  jl     L23
L36:
  add    0xc(%rsp),%ax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L58:
  movzwl 0xc(%rsp),%eax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L22:
  xor    %ebx,%ebx
  xor    %r13d,%r13d
  jmp    L23
  nopw   0x0(%rax,%rax,1)
L10:
  add    $0x18,%rsp
  mov    %ebp,%esi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1050 <rand_range@plt>
```

assistant: ```c
short randClumpedRange(short lowerBound, short upperBound, short clumpFactor) {
  if (upperBound <= lowerBound) {
    return lowerBound;
  }
  if (clumpFactor <= 1) {
    return rand_range(lowerBound, upperBound);
  }
  short i, total = 0, numSides = (upperBound - lowerBound) / clumpFactor;
  for (i = 0; i < (upperBound - lowerBound) % clumpFactor; i++) {
    total += rand_range(0, numSides + 1);
  }
  for (; i < clumpFactor; i++) {
    total += rand_range(0, numSides);
  }
  return (total + lowerBound);
}
```
user: Translate the below assembly code into C programming language:

```asm
<randClumpedRange>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %edi,0xc(%rsp)
  mov    %edx,0x8(%rsp)
  cmp    %di,%si
  jle    L14
  movswl %si,%ebp
  movswl %di,%edi
  cmp    $0x1,%dx
  jle    L51
  sub    %edi,%ebp
  movswl 0x8(%rsp),%ecx
  mov    %edx,%r15d
  mov    %ebp,%eax
  cltd
  idiv   %ecx
  mov    %edx,%r14d
  mov    %eax,%ebp
  test   %edx,%edx
  jle    L67
  lea    0x1(%rax),%r12d
  xor    %ebx,%ebx
  xor    %r13d,%r13d
  movswl %r12w,%r12d
  nopl   0x0(%rax)
L39:
  mov    %r12d,%esi
  xor    %edi,%edi
  add    $0x1,%r13d
  call   <rand_range@plt>
  movswl %r13w,%ecx
  add    %ebx,%eax
  mov    %eax,%ebx
  cmp    %r14d,%ecx
  jl     L39
  cmp    %r13w,0x8(%rsp)
  jle    L68
  nopl   0x0(%rax,%rax,1)
L63:
  mov    %ebp,%esi
  xor    %edi,%edi
  add    $0x1,%r13d
  call   <rand_range@plt>
  add    %ebx,%eax
  mov    %eax,%ebx
  cmp    %r13w,%r15w
  jg     L63
L68:
  add    0xc(%rsp),%ax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L14:
  movzwl 0xc(%rsp),%eax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L67:
  xor    %ebx,%ebx
  xor    %r13d,%r13d
  jmp    L63
  nopw   0x0(%rax,%rax,1)
L51:
  add    $0x18,%rsp
  mov    %ebp,%esi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1050 <rand_range@plt>
```

assistant: ```c
short randClumpedRange(short lowerBound, short upperBound, short clumpFactor) {
  if (upperBound <= lowerBound) {
    return lowerBound;
  }
  if (clumpFactor <= 1) {
    return rand_range(lowerBound, upperBound);
  }
  short i, total = 0, numSides = (upperBound - lowerBound) / clumpFactor;
  for (i = 0; i < (upperBound - lowerBound) % clumpFactor; i++) {
    total += rand_range(0, numSides + 1);
  }
  for (; i < clumpFactor; i++) {
    total += rand_range(0, numSides);
  }
  return (total + lowerBound);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<strexndup>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x20(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L4
  mov    $0x0,%eax
  jmp    L19
L4:
  mov    -0x20(%rbp),%rdx
  mov    -0x18(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  mov    -0x8(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x8(%rbp),%rax
L19:
  leave
  ret
```

assistant: ```c
char *strexndup(const char *s, size_t len) {
  char *p;
  if ((p = malloc(len + 1)) == NULL)
    return NULL;
  memcpy(p, s, len);
  p[len] = '\0';
  return p;
}
```
user: Translate the below assembly code into C programming language:

```asm
<strexndup>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r12
  mov    %rsi,%rbp
  lea    0x1(%rsi),%rdi
  call   <malloc@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L4
  mov    %rbp,%rdx
  mov    %r12,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  movb   $0x0,(%rbx,%rbp,1)
L4:
  mov    %rbx,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *strexndup(const char *s, size_t len) {
  char *p;
  if ((p = malloc(len + 1)) == NULL)
    return NULL;
  memcpy(p, s, len);
  p[len] = '\0';
  return p;
}
```
user: What is the c source code of the assembly code below?

```asm
<strexndup>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  lea    0x1(%rsi),%rdi
  push   %rbx
  mov    %rsi,%rbx
  call   <malloc@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L3
  mov    %rbx,%rdx
  mov    %rbp,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  movb   $0x0,(%r12,%rbx,1)
L3:
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *strexndup(const char *s, size_t len) {
  char *p;
  if ((p = malloc(len + 1)) == NULL)
    return NULL;
  memcpy(p, s, len);
  p[len] = '\0';
  return p;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<strexndup>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  lea    0x1(%rsi),%rdi
  push   %rbx
  mov    %rsi,%rbx
  call   <malloc@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L1
  mov    %rbx,%rdx
  mov    %rbp,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  movb   $0x0,(%r12,%rbx,1)
L1:
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *strexndup(const char *s, size_t len) {
  char *p;
  if ((p = malloc(len + 1)) == NULL)
    return NULL;
  memcpy(p, s, len);
  p[len] = '\0';
  return p;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<pt_load>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    -0x38(%rbp),%rax
  mov    (%rax),%eax
  mov    %eax,-0x28(%rbp)
  mov    -0x38(%rbp),%rax
  mov    0x4(%rax),%eax
  mov    %eax,-0x24(%rbp)
  mov    -0x28(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x20(%rbp)
  movl   $0x0,-0x2c(%rbp)
  jmp    L20
L9:
  mov    -0x20(%rbp),%rax
  mov    (%rax),%rdx
  mov    D3(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,%rdx
  jne    L34
  mov    -0x20(%rbp),%rax
  mov    0x8(%rax),%eax
  and    $0xfffff000,%eax
  cltq
  mov    %rax,-0x18(%rbp)
  mov    -0x20(%rbp),%rax
  mov    0xc(%rax),%edx
  mov    -0x20(%rbp),%rax
  mov    0x8(%rax),%eax
  and    $0xfff,%eax
  add    %edx,%eax
  cltq
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  add    $0xfff,%rax
  and    $0xfffffffffffff000,%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x20(%rbp),%rax
  mov    0x10(%rax),%edx
  mov    -0x20(%rbp),%rax
  mov    0x8(%rax),%eax
  and    $0xfff,%eax
  mov    %eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  cltq
  mov    %rax,-0x8(%rbp)
  mov    -0x18(%rbp),%rax
  mov    -0x8(%rbp),%rdx
  mov    -0x10(%rbp),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <_mmap@plt>
  mov    -0x20(%rbp),%rax
  mov    0xc(%rax),%eax
  mov    -0x20(%rbp),%rdx
  mov    0x10(%rdx),%edx
  movslq %edx,%rcx
  mov    -0x38(%rbp),%rdx
  lea    (%rcx,%rdx,1),%rsi
  mov    -0x20(%rbp),%rdx
  mov    0x8(%rdx),%edx
  movslq %edx,%rdx
  mov    %rdx,%rdi
  mov    $0x0,%ecx
  mov    %eax,%edx
  call   <copy@plt>
  jmp    L27
L34:
  nop
L27:
  addl   $0x1,-0x2c(%rbp)
  addq   $0x18,-0x20(%rbp)
L20:
  mov    -0x2c(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jl     L9
  nop
  nop
  leave
  ret
```

assistant: ```c
void pt_load(Elf64_Ehdr *ehdr) {
  Elf64_Phdr *phdr;
  Elf64_Off phoff;
  Elf64_Half phnum;
  unsigned long addr;
  unsigned long size;
  unsigned long off;
  int i;
  phoff = ehdr->e_phoff;
  phnum = ehdr->e_phnum;
  phdr = (Elf64_Phdr *)((char *)ehdr + phoff);
  for (i = 0; i < phnum; ++i, ++phdr) {
    if (phdr->p_type != PT_LOAD) {
      continue;
    }
    addr = phdr->p_vaddr & ~(4096 - 1);
    size = phdr->p_filesz + (phdr->p_vaddr & (4096 - 1));
    size = (size + (4096 - 1) & ~(4096 - 1));
    off = phdr->p_offset - (phdr->p_vaddr & (4096 - 1));
    _mmap((void *)addr, size, off);
    copy((char *)phdr->p_vaddr, ((char *)ehdr + phdr->p_offset), phdr->p_filesz, 0);
  }
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<pt_load>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    0x4(%rdi),%eax
  movslq (%rdi),%rbx
  add    %rdi,%rbx
  test   %eax,%eax
  jle    L42
  mov    %rdi,%r13
  mov    %eax,%eax
  lea    (%rax,%rax,2),%rax
  lea    (%rbx,%rax,8),%r12
  mov    D0(%rip),%rbp
  jmp    L1
L20:
  add    $0x18,%rbx
  cmp    %r12,%rbx
  je     L42
L1:
  mov    0x0(%rbp),%rax
  cmp    %rax,(%rbx)
  jne    L20
  mov    0x8(%rbx),%edi
  mov    %edi,%eax
  and    $0xfff,%eax
  mov    %eax,%esi
  add    0xc(%rbx),%esi
  movslq %esi,%rsi
  add    $0xfff,%rsi
  mov    0x10(%rbx),%edx
  sub    %eax,%edx
  movslq %edx,%rdx
  and    $0xfffffffffffff000,%rsi
  and    $0xfffff000,%edi
  movslq %edi,%rdi
  call   <_mmap@plt>
  mov    0xc(%rbx),%edx
  movslq 0x10(%rbx),%rsi
  add    %r13,%rsi
  movslq 0x8(%rbx),%rdi
  mov    $0x0,%ecx
  call   <copy@plt>
  jmp    L20
L42:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void pt_load(Elf64_Ehdr *ehdr) {
  Elf64_Phdr *phdr;
  Elf64_Off phoff;
  Elf64_Half phnum;
  unsigned long addr;
  unsigned long size;
  unsigned long off;
  int i;
  phoff = ehdr->e_phoff;
  phnum = ehdr->e_phnum;
  phdr = (Elf64_Phdr *)((char *)ehdr + phoff);
  for (i = 0; i < phnum; ++i, ++phdr) {
    if (phdr->p_type != PT_LOAD) {
      continue;
    }
    addr = phdr->p_vaddr & ~(4096 - 1);
    size = phdr->p_filesz + (phdr->p_vaddr & (4096 - 1));
    size = (size + (4096 - 1) & ~(4096 - 1));
    off = phdr->p_offset - (phdr->p_vaddr & (4096 - 1));
    _mmap((void *)addr, size, off);
    copy((char *)phdr->p_vaddr, ((char *)ehdr + phdr->p_offset), phdr->p_filesz, 0);
  }
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<pt_load>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  movslq (%rdi),%rbx
  movslq 0x4(%rdi),%rax
  add    %rdi,%rbx
  test   %eax,%eax
  jle    L1
  lea    (%rax,%rax,2),%rax
  mov    D3(%rip),%r12
  mov    %rdi,%rbp
  lea    (%rbx,%rax,8),%r13
  xchg   %ax,%ax
L14:
  mov    (%r12),%rax
  cmp    %rax,(%rbx)
  jne    L23
  mov    0x8(%rbx),%edi
  mov    0xc(%rbx),%esi
  mov    0x10(%rbx),%edx
  mov    %edi,%eax
  and    $0xfffff000,%edi
  and    $0xfff,%eax
  movslq %edi,%rdi
  add    %eax,%esi
  sub    %eax,%edx
  movslq %esi,%rsi
  movslq %edx,%rdx
  add    $0xfff,%rsi
  and    $0xfffffffffffff000,%rsi
  call   <_mmap@plt>
  movslq 0x10(%rbx),%rsi
  mov    0xc(%rbx),%edx
  xor    %ecx,%ecx
  movslq 0x8(%rbx),%rdi
  add    %rbp,%rsi
  call   <copy@plt>
L23:
  add    $0x18,%rbx
  cmp    %r13,%rbx
  jne    L14
L1:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void pt_load(Elf64_Ehdr *ehdr) {
  Elf64_Phdr *phdr;
  Elf64_Off phoff;
  Elf64_Half phnum;
  unsigned long addr;
  unsigned long size;
  unsigned long off;
  int i;
  phoff = ehdr->e_phoff;
  phnum = ehdr->e_phnum;
  phdr = (Elf64_Phdr *)((char *)ehdr + phoff);
  for (i = 0; i < phnum; ++i, ++phdr) {
    if (phdr->p_type != PT_LOAD) {
      continue;
    }
    addr = phdr->p_vaddr & ~(4096 - 1);
    size = phdr->p_filesz + (phdr->p_vaddr & (4096 - 1));
    size = (size + (4096 - 1) & ~(4096 - 1));
    off = phdr->p_offset - (phdr->p_vaddr & (4096 - 1));
    _mmap((void *)addr, size, off);
    copy((char *)phdr->p_vaddr, ((char *)ehdr + phdr->p_offset), phdr->p_filesz, 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
<pt_load>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  movslq (%rdi),%rbx
  movslq 0x4(%rdi),%rax
  add    %rdi,%rbx
  test   %eax,%eax
  jle    L14
  lea    (%rax,%rax,2),%rax
  mov    D3(%rip),%r12
  mov    %rdi,%rbp
  lea    (%rbx,%rax,8),%r13
  xchg   %ax,%ax
L2:
  mov    (%r12),%rax
  cmp    %rax,(%rbx)
  jne    L26
  mov    0x8(%rbx),%edi
  mov    0xc(%rbx),%esi
  mov    0x10(%rbx),%edx
  mov    %edi,%eax
  and    $0xfffff000,%edi
  and    $0xfff,%eax
  movslq %edi,%rdi
  add    %eax,%esi
  sub    %eax,%edx
  movslq %esi,%rsi
  movslq %edx,%rdx
  add    $0xfff,%rsi
  and    $0xfffffffffffff000,%rsi
  call   <_mmap@plt>
  movslq 0x10(%rbx),%rsi
  mov    0xc(%rbx),%edx
  xor    %ecx,%ecx
  movslq 0x8(%rbx),%rdi
  add    %rbp,%rsi
  call   <copy@plt>
L26:
  add    $0x18,%rbx
  cmp    %r13,%rbx
  jne    L2
L14:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void pt_load(Elf64_Ehdr *ehdr) {
  Elf64_Phdr *phdr;
  Elf64_Off phoff;
  Elf64_Half phnum;
  unsigned long addr;
  unsigned long size;
  unsigned long off;
  int i;
  phoff = ehdr->e_phoff;
  phnum = ehdr->e_phnum;
  phdr = (Elf64_Phdr *)((char *)ehdr + phoff);
  for (i = 0; i < phnum; ++i, ++phdr) {
    if (phdr->p_type != PT_LOAD) {
      continue;
    }
    addr = phdr->p_vaddr & ~(4096 - 1);
    size = phdr->p_filesz + (phdr->p_vaddr & (4096 - 1));
    size = (size + (4096 - 1) & ~(4096 - 1));
    off = phdr->p_offset - (phdr->p_vaddr & (4096 - 1));
    _mmap((void *)addr, size, off);
    copy((char *)phdr->p_vaddr, ((char *)ehdr + phdr->p_offset), phdr->p_filesz, 0);
  }
}
```