ylfeng/ReF-Decompile-dataset huggingface dataset:
user: What would the C source look like for the assembly code provided here?

```asm
<blockmix_salsa8>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  mov    %rsi,%r12
  mov    %rdx,%rbx
  mov    %rcx,%r14
  mov    %rcx,%rax
  shl    $0x5,%rax
  lea    -0x10(%rdi,%rax,1),%rsi
  mov    $0x40,%edx
  mov    %rbx,%rdi
  call   <blkcpy@plt>
  test   %r14,%r14
  je     L6
  mov    %r14,%r15
  shl    $0x4,%r15
  mov    $0x0,%r13d
L2:
  mov    $0x40,%edx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <blkxor@plt>
  mov    %rbx,%rdi
  call   <salsa20_8@plt>
  mov    $0x40,%edx
  mov    %rbx,%rsi
  mov    %r12,%rdi
  call   <blkcpy@plt>
  lea    0x10(%rbp),%rsi
  mov    $0x40,%edx
  mov    %rbx,%rdi
  call   <blkxor@plt>
  mov    %rbx,%rdi
  call   <salsa20_8@plt>
  lea    (%r12,%r15,1),%rdi
  mov    $0x40,%edx
  mov    %rbx,%rsi
  call   <blkcpy@plt>
  add    $0x1,%r13
  add    $0x20,%rbp
  add    $0x10,%r12
  cmp    %r13,%r14
  jne    L2
L6:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void blockmix_salsa8(__m128i *Bin, __m128i *Bout, __m128i *X, size_t r) {
  size_t i;
  blkcpy(X, &Bin[8 * r - 4], 64);
  for (i = 0; i < r; i++) {
    blkxor(X, &Bin[i * 8], 64);
    salsa20_8(X);
    blkcpy(&Bout[i * 4], X, 64);
    blkxor(X, &Bin[i * 8 + 4], 64);
    salsa20_8(X);
    blkcpy(&Bout[(r + i) * 4], X, 64);
  }
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<blockmix_salsa8>:
  endbr64
  push   %r15
  mov    %rcx,%rax
  push   %r14
  shl    $0x5,%rax
  mov    %rcx,%r14
  push   %r13
  push   %r12
  mov    %rsi,%r12
  lea    -0x10(%rdi,%rax,1),%rsi
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rdx,%rbx
  mov    $0x40,%edx
  mov    %rbx,%rdi
  sub    $0x8,%rsp
  call   <blkcpy@plt>
  test   %r14,%r14
  je     L18
  mov    %r14,%r15
  xor    %r13d,%r13d
  shl    $0x4,%r15
  cs nopw 0x0(%rax,%rax,1)
L16:
  mov    %rbp,%rsi
  mov    $0x40,%edx
  mov    %rbx,%rdi
  add    $0x1,%r13
  call   <blkxor@plt>
  mov    %rbx,%rdi
  call   <salsa20_8@plt>
  mov    %r12,%rdi
  mov    $0x40,%edx
  mov    %rbx,%rsi
  call   <blkcpy@plt>
  lea    0x10(%rbp),%rsi
  mov    $0x40,%edx
  mov    %rbx,%rdi
  call   <blkxor@plt>
  mov    %rbx,%rdi
  add    $0x20,%rbp
  call   <salsa20_8@plt>
  lea    (%r12,%r15,1),%rdi
  mov    $0x40,%edx
  mov    %rbx,%rsi
  call   <blkcpy@plt>
  add    $0x10,%r12
  cmp    %r13,%r14
  jne    L16
L18:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void blockmix_salsa8(__m128i *Bin, __m128i *Bout, __m128i *X, size_t r) {
  size_t i;
  blkcpy(X, &Bin[8 * r - 4], 64);
  for (i = 0; i < r; i++) {
    blkxor(X, &Bin[i * 8], 64);
    salsa20_8(X);
    blkcpy(&Bout[i * 4], X, 64);
    blkxor(X, &Bin[i * 8 + 4], 64);
    salsa20_8(X);
    blkcpy(&Bout[(r + i) * 4], X, 64);
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<blockmix_salsa8>:
  endbr64
  push   %r15
  mov    %rcx,%rax
  push   %r14
  shl    $0x5,%rax
  mov    %rcx,%r14
  push   %r13
  push   %r12
  mov    %rsi,%r12
  lea    -0x10(%rdi,%rax,1),%rsi
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rdx,%rbx
  mov    $0x40,%edx
  mov    %rbx,%rdi
  sub    $0x8,%rsp
  call   <blkcpy@plt>
  test   %r14,%r14
  je     L18
  mov    %r14,%r15
  xor    %r13d,%r13d
  shl    $0x4,%r15
  cs nopw 0x0(%rax,%rax,1)
L15:
  mov    %rbp,%rsi
  mov    $0x40,%edx
  mov    %rbx,%rdi
  add    $0x1,%r13
  call   <blkxor@plt>
  mov    %rbx,%rdi
  call   <salsa20_8@plt>
  mov    %r12,%rdi
  mov    $0x40,%edx
  mov    %rbx,%rsi
  call   <blkcpy@plt>
  lea    0x10(%rbp),%rsi
  mov    $0x40,%edx
  mov    %rbx,%rdi
  call   <blkxor@plt>
  mov    %rbx,%rdi
  add    $0x20,%rbp
  call   <salsa20_8@plt>
  lea    (%r15,%r12,1),%rdi
  mov    $0x40,%edx
  mov    %rbx,%rsi
  call   <blkcpy@plt>
  add    $0x10,%r12
  cmp    %r13,%r14
  jne    L15
L18:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void blockmix_salsa8(__m128i *Bin, __m128i *Bout, __m128i *X, size_t r) {
  size_t i;
  blkcpy(X, &Bin[8 * r - 4], 64);
  for (i = 0; i < r; i++) {
    blkxor(X, &Bin[i * 8], 64);
    salsa20_8(X);
    blkcpy(&Bout[i * 4], X, 64);
    blkxor(X, &Bin[i * 8 + 4], 64);
    salsa20_8(X);
    blkcpy(&Bout[(r + i) * 4], X, 64);
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<F_ValToFloat>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  cltq
  lea    -0x1(%rax),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x8(%rbp),%rax
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <strtod@plt>
  pxor   %xmm0,%xmm0
  cvtsi2ss %rax,%xmm0
  mov    -0x10(%rbp),%rax
  movss  %xmm0,(%rax)
  nop
  leave
  ret
```

assistant: ```c
void F_ValToFloat(char *str, float *f) {
  str[strlen(str) - 1] = 0;
  *f = (float)strtod(str, 0);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<F_ValToFloat>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  call   <strlen@plt>
  cltq
  movb   $0x0,-0x1(%rbx,%rax,1)
  mov    $0x0,%esi
  mov    %rbx,%rdi
  call   <strtod@plt>
  pxor   %xmm0,%xmm0
  cvtsi2ss %rax,%xmm0
  movss  %xmm0,0x0(%rbp)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void F_ValToFloat(char *str, float *f) {
  str[strlen(str) - 1] = 0;
  *f = (float)strtod(str, 0);
}
```
user: What is the c source code of the assembly code below?

```asm
<F_ValToFloat>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x8,%rsp
  call   <strlen@plt>
  mov    %rbp,%rdi
  xor    %esi,%esi
  cltq
  movb   $0x0,-0x1(%rbp,%rax,1)
  call   <strtod@plt>
  pxor   %xmm0,%xmm0
  cvtsi2ss %rax,%xmm0
  movss  %xmm0,(%rbx)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void F_ValToFloat(char *str, float *f) {
  str[strlen(str) - 1] = 0;
  *f = (float)strtod(str, 0);
}
```
user: What is the c source code of the assembly code below:

```asm
<F_ValToFloat>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x8,%rsp
  call   <strlen@plt>
  mov    %rbp,%rdi
  xor    %esi,%esi
  cltq
  movb   $0x0,-0x1(%rbp,%rax,1)
  call   <strtod@plt>
  pxor   %xmm0,%xmm0
  cvtsi2ss %rax,%xmm0
  movss  %xmm0,(%rbx)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void F_ValToFloat(char *str, float *f) {
  str[strlen(str) - 1] = 0;
  *f = (float)strtod(str, 0);
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<strstr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    -0x38(%rbp),%rax
  mov    %rax,-0x20(%rbp)
  mov    -0x40(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  movl   $0x1,-0x24(%rbp)
  jmp    L2
L136:
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  movzbl (%rax),%ecx
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movzbl (%rax),%eax
  cmp    %al,%cl
  sete   %al
  movzbl %al,%eax
  and    %eax,-0x24(%rbp)
L2:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L47
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L136
L47:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L34
  mov    $0x0,%eax
  jmp    L63
L34:
  cmpl   $0x0,-0x24(%rbp)
  je     L4
  mov    -0x38(%rbp),%rax
  jmp    L63
L4:
  mov    -0x18(%rbp),%rax
  sub    -0x40(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x40(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    -0x38(%rbp),%rdx
  add    $0x1,%rdx
  mov    %eax,%esi
  mov    %rdx,%rdi
  call   <strchr@plt>
  mov    %rax,-0x20(%rbp)
  cmpq   $0x0,-0x20(%rbp)
  je     L41
  cmpq   $0x1,-0x10(%rbp)
  jne    L120
L41:
  mov    -0x20(%rbp),%rax
  jmp    L63
L120:
  mov    -0x38(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  cmp    %rax,-0x20(%rbp)
  ja     L7
  mov    -0x38(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  sub    -0x20(%rbp),%rax
  jmp    L133
L7:
  mov    $0x1,%eax
L133:
  mov    %rax,-0x8(%rbp)
  cmpq   $0x1f,-0x10(%rbp)
  ja     L20
  mov    -0x10(%rbp),%rcx
  mov    -0x40(%rbp),%rdx
  mov    -0x8(%rbp),%rsi
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <two_way_short_needle@plt>
  jmp    L63
L20:
  mov    -0x10(%rbp),%rcx
  mov    -0x40(%rbp),%rdx
  mov    -0x8(%rbp),%rsi
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <two_way_long_needle@plt>
L63:
  leave
  ret
```

assistant: ```c
char *strstr(const char *searchee, const char *lookfor) {
  const char *haystack = searchee;
  const char *needle = lookfor;
  size_t needle_len;
  size_t haystack_len;
  int ok = 1;
  while (*haystack && *needle)
    ok &= *haystack++ == *needle++;
  if (*needle)
    return NULL;
  if (ok)
    return (char *)searchee;
  needle_len = needle - lookfor;
  haystack = strchr(searchee + 1, *lookfor);
  if (!haystack || needle_len == 1)
    return (char *)haystack;
  haystack_len = (haystack > searchee + needle_len ? 1 : needle_len + searchee - haystack);
  if (needle_len < 32U)
    return two_way_short_needle((const unsigned char *)haystack, haystack_len, (const unsigned char *)lookfor, needle_len);
  return two_way_long_needle((const unsigned char *)haystack, haystack_len, (const unsigned char *)lookfor, needle_len);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<strstr>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  mov    %rsi,%r12
  movzbl (%rdi),%eax
  mov    %rsi,%rdx
  mov    %rdi,%rcx
  mov    $0x1,%edi
  test   %al,%al
  je     L67
L96:
  movzbl (%rdx),%esi
  test   %sil,%sil
  je     L32
  add    $0x1,%rcx
  add    $0x1,%rdx
  cmp    %al,%sil
  sete   %al
  movzbl %al,%eax
  and    %eax,%edi
  movzbl (%rcx),%eax
  test   %al,%al
  jne    L96
L67:
  mov    $0x0,%eax
  cmpb   $0x0,(%rdx)
  jne    L31
L32:
  mov    %rbp,%rax
  test   %edi,%edi
  je     L26
L31:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L26:
  mov    %rdx,%rbx
  sub    %r12,%rbx
  movsbl (%r12),%esi
  lea    0x1(%rbp),%rdi
  call   <strchr@plt>
  test   %rax,%rax
  je     L31
  cmp    $0x1,%rbx
  je     L31
  add    %rbx,%rbp
  mov    %rbp,%rsi
  sub    %rax,%rsi
  cmp    %rax,%rbp
  mov    $0x1,%edx
  cmovb  %rdx,%rsi
  cmp    $0x1f,%rbx
  jbe    L66
  mov    %rbx,%rcx
  mov    %r12,%rdx
  mov    %rax,%rdi
  call   <two_way_long_needle@plt>
  jmp    L31
L66:
  mov    %rbx,%rcx
  mov    %r12,%rdx
  mov    %rax,%rdi
  call   <two_way_short_needle@plt>
  jmp    L31
```

assistant: ```c
char *strstr(const char *searchee, const char *lookfor) {
  const char *haystack = searchee;
  const char *needle = lookfor;
  size_t needle_len;
  size_t haystack_len;
  int ok = 1;
  while (*haystack && *needle)
    ok &= *haystack++ == *needle++;
  if (*needle)
    return NULL;
  if (ok)
    return (char *)searchee;
  needle_len = needle - lookfor;
  haystack = strchr(searchee + 1, *lookfor);
  if (!haystack || needle_len == 1)
    return (char *)haystack;
  haystack_len = (haystack > searchee + needle_len ? 1 : needle_len + searchee - haystack);
  if (needle_len < 32U)
    return two_way_short_needle((const unsigned char *)haystack, haystack_len, (const unsigned char *)lookfor, needle_len);
  return two_way_long_needle((const unsigned char *)haystack, haystack_len, (const unsigned char *)lookfor, needle_len);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<strstr>:
  endbr64
  push   %r13
  mov    %rsi,%r13
  mov    %rdi,%rdx
  mov    $0x1,%r8d
  push   %r12
  mov    %r13,%rcx
  push   %rbx
  movzbl (%rdi),%eax
  mov    %rdi,%rbx
  movsbl (%rsi),%esi
  test   %al,%al
  jne    L69
  jmp    L25
  nopw   0x0(%rax,%rax,1)
L64:
  add    $0x1,%rdx
  add    $0x1,%rcx
  cmp    %al,%dil
  sete   %al
  movzbl %al,%eax
  and    %eax,%r8d
  movzbl (%rdx),%eax
  test   %al,%al
  je     L13
L69:
  movzbl (%rcx),%edi
  test   %dil,%dil
  jne    L64
L77:
  test   %r8d,%r8d
  jne    L39
  sub    %r13,%rcx
  lea    0x1(%rbx),%rdi
  mov    %rcx,%r12
  call   <strchr@plt>
  test   %rax,%rax
  je     L40
  cmp    $0x1,%r12
  je     L40
  add    %r12,%rbx
  mov    $0x1,%edx
  mov    %r12,%rcx
  mov    %rax,%rdi
  mov    %rbx,%rsi
  sub    %rax,%rsi
  cmp    %rax,%rbx
  cmovb  %rdx,%rsi
  mov    %r13,%rdx
  cmp    $0x1f,%r12
  jbe    L63
  pop    %rbx
  pop    %r12
  pop    %r13
  jmp    1080 <two_way_long_needle@plt>
L39:
  mov    %rbx,%rax
L40:
  pop    %rbx
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L13:
  cmpb   $0x0,(%rcx)
  je     L77
  pop    %rbx
  xor    %eax,%eax
  pop    %r12
  pop    %r13
  ret
L63:
  pop    %rbx
  pop    %r12
  pop    %r13
  jmp    1090 <two_way_short_needle@plt>
L25:
  xor    %eax,%eax
  test   %sil,%sil
  cmove  %rdi,%rax
  jmp    L40
```

assistant: ```c
char *strstr(const char *searchee, const char *lookfor) {
  const char *haystack = searchee;
  const char *needle = lookfor;
  size_t needle_len;
  size_t haystack_len;
  int ok = 1;
  while (*haystack && *needle)
    ok &= *haystack++ == *needle++;
  if (*needle)
    return NULL;
  if (ok)
    return (char *)searchee;
  needle_len = needle - lookfor;
  haystack = strchr(searchee + 1, *lookfor);
  if (!haystack || needle_len == 1)
    return (char *)haystack;
  haystack_len = (haystack > searchee + needle_len ? 1 : needle_len + searchee - haystack);
  if (needle_len < 32U)
    return two_way_short_needle((const unsigned char *)haystack, haystack_len, (const unsigned char *)lookfor, needle_len);
  return two_way_long_needle((const unsigned char *)haystack, haystack_len, (const unsigned char *)lookfor, needle_len);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<strstr>:
  endbr64
  push   %r13
  mov    %rsi,%r13
  mov    %rdi,%rdx
  mov    $0x1,%r8d
  push   %r12
  mov    %r13,%rcx
  push   %rbx
  movzbl (%rdi),%eax
  mov    %rdi,%rbx
  movsbl (%rsi),%esi
  test   %al,%al
  jne    L76
  jmp    L22
  nopw   0x0(%rax,%rax,1)
L64:
  add    $0x1,%rdx
  add    $0x1,%rcx
  cmp    %al,%dil
  sete   %al
  movzbl %al,%eax
  and    %eax,%r8d
  movzbl (%rdx),%eax
  test   %al,%al
  je     L8
L76:
  movzbl (%rcx),%edi
  test   %dil,%dil
  jne    L64
L72:
  test   %r8d,%r8d
  jne    L63
  sub    %r13,%rcx
  lea    0x1(%rbx),%rdi
  mov    %rcx,%r12
  call   <strchr@plt>
  test   %rax,%rax
  je     L30
  cmp    $0x1,%r12
  je     L30
  add    %r12,%rbx
  mov    $0x1,%edx
  mov    %r12,%rcx
  mov    %rax,%rdi
  mov    %rbx,%rsi
  sub    %rax,%rsi
  cmp    %rax,%rbx
  cmovb  %rdx,%rsi
  mov    %r13,%rdx
  cmp    $0x1f,%r12
  jbe    L28
  pop    %rbx
  pop    %r12
  pop    %r13
  jmp    1080 <two_way_long_needle@plt>
L63:
  mov    %rbx,%rax
L30:
  pop    %rbx
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L8:
  cmpb   $0x0,(%rcx)
  je     L72
  pop    %rbx
  xor    %eax,%eax
  pop    %r12
  pop    %r13
  ret
L28:
  pop    %rbx
  pop    %r12
  pop    %r13
  jmp    1090 <two_way_short_needle@plt>
L22:
  xor    %eax,%eax
  test   %sil,%sil
  cmove  %rdi,%rax
  jmp    L30
```

assistant: ```c
char *strstr(const char *searchee, const char *lookfor) {
  const char *haystack = searchee;
  const char *needle = lookfor;
  size_t needle_len;
  size_t haystack_len;
  int ok = 1;
  while (*haystack && *needle)
    ok &= *haystack++ == *needle++;
  if (*needle)
    return NULL;
  if (ok)
    return (char *)searchee;
  needle_len = needle - lookfor;
  haystack = strchr(searchee + 1, *lookfor);
  if (!haystack || needle_len == 1)
    return (char *)haystack;
  haystack_len = (haystack > searchee + needle_len ? 1 : needle_len + searchee - haystack);
  if (needle_len < 32U)
    return two_way_short_needle((const unsigned char *)haystack, haystack_len, (const unsigned char *)lookfor, needle_len);
  return two_way_long_needle((const unsigned char *)haystack, haystack_len, (const unsigned char *)lookfor, needle_len);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<change_file_ext>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <mhs_strdup@plt>
  mov    %rax,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    $0x2e,%esi
  mov    %rax,%rdi
  call   <strrchr@plt>
  mov    %rax,-0x10(%rbp)
  cmpq   $0x0,-0x10(%rbp)
  je     L7
  mov    -0x10(%rbp),%rax
  movb   $0x0,(%rax)
L7:
  mov    -0x30(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    $0x0,%ecx
  lea    D6(%rip),%rsi
  mov    %rax,%rdi
  call   <mhs_strconcat@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  je     L19
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <mhs_free@plt>
  movq   $0x0,-0x18(%rbp)
L19:
  mov    -0x8(%rbp),%rax
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D6
type_infered: string

tool: D6: .

assistant: ```c
char *change_file_ext(const char *file_name, const char *ext) {
  char *last_period, *tmp, *new_filename;
  tmp = mhs_strdup(file_name);
  last_period = strrchr(tmp, '.');
  if (last_period) {
    *last_period = '\0';
  }
  new_filename = mhs_strconcat(tmp, ".", ext, NULL);
  do {
    if ((tmp)) {
      mhs_free((tmp));
      (tmp) = NULL;
    }
  } while (0);
  return (new_filename);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<change_file_ext>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rsi,%rbp
  call   <mhs_strdup@plt>
  mov    %rax,%rbx
  mov    $0x2e,%esi
  mov    %rax,%rdi
  call   <strrchr@plt>
  test   %rax,%rax
  je     L9
  movb   $0x0,(%rax)
L9:
  mov    $0x0,%ecx
  mov    %rbp,%rdx
  lea    D6(%rip),%rsi
  mov    %rbx,%rdi
  call   <mhs_strconcat@plt>
  mov    %rax,%rbp
  test   %rbx,%rbx
  je     L2
  mov    %rbx,%rdi
  call   <mhs_free@plt>
L2:
  mov    %rbp,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D6
type: string

tool: D6: .

assistant: ```c
char *change_file_ext(const char *file_name, const char *ext) {
  char *last_period, *tmp, *new_filename;
  tmp = mhs_strdup(file_name);
  last_period = strrchr(tmp, '.');
  if (last_period) {
    *last_period = '\0';
  }
  new_filename = mhs_strconcat(tmp, ".", ext, NULL);
  do {
    if ((tmp)) {
      mhs_free((tmp));
      (tmp) = NULL;
    }
  } while (0);
  return (new_filename);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<change_file_ext>:
  endbr64
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  sub    $0x8,%rsp
  call   <mhs_strdup@plt>
  mov    $0x2e,%esi
  mov    %rax,%rdi
  mov    %rax,%rbp
  call   <strrchr@plt>
  test   %rax,%rax
  je     L15
  movb   $0x0,(%rax)
L15:
  mov    %r12,%rdx
  xor    %ecx,%ecx
  lea    D7(%rip),%rsi
  mov    %rbp,%rdi
  call   <mhs_strconcat@plt>
  mov    %rax,%r12
  test   %rbp,%rbp
  je     L3
  mov    %rbp,%rdi
  call   <mhs_free@plt>
L3:
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  ret
```

tool_calls: name: extract_symbolic_data
arguments: label: D7
type_guessed: string

tool: D7: .

assistant: ```c
char *change_file_ext(const char *file_name, const char *ext) {
  char *last_period, *tmp, *new_filename;
  tmp = mhs_strdup(file_name);
  last_period = strrchr(tmp, '.');
  if (last_period) {
    *last_period = '\0';
  }
  new_filename = mhs_strconcat(tmp, ".", ext, NULL);
  do {
    if ((tmp)) {
      mhs_free((tmp));
      (tmp) = NULL;
    }
  } while (0);
  return (new_filename);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<change_file_ext>:
  endbr64
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  sub    $0x8,%rsp
  call   <mhs_strdup@plt>
  mov    $0x2e,%esi
  mov    %rax,%rdi
  mov    %rax,%rbp
  call   <strrchr@plt>
  test   %rax,%rax
  je     L9
  movb   $0x0,(%rax)
L9:
  mov    %r12,%rdx
  xor    %ecx,%ecx
  lea    D4(%rip),%rsi
  mov    %rbp,%rdi
  call   <mhs_strconcat@plt>
  mov    %rax,%r12
  test   %rbp,%rbp
  je     L15
  mov    %rbp,%rdi
  call   <mhs_free@plt>
L15:
  add    $0x8,%rsp
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  ret
```

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

tool: D4: .

assistant: ```c
char *change_file_ext(const char *file_name, const char *ext) {
  char *last_period, *tmp, *new_filename;
  tmp = mhs_strdup(file_name);
  last_period = strrchr(tmp, '.');
  if (last_period) {
    *last_period = '\0';
  }
  new_filename = mhs_strconcat(tmp, ".", ext, NULL);
  do {
    if ((tmp)) {
      mhs_free((tmp));
      (tmp) = NULL;
    }
  } while (0);
  return (new_filename);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<img_stdio_fwrite>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    %rcx,-0x30(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rcx
  mov    -0x28(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  mov    $0x1,%esi
  mov    %rax,%rdi
  call   <fwrite@plt>
  mov    -0x30(%rbp),%rdx
  mov    %rax,(%rdx)
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <ferror@plt>
  test   %rax,%rax
  je     L8
  mov    D3(%rip),%rax
  mov    (%rax),%eax
  jmp    L13
L8:
  mov    $0x0,%eax
L13:
  leave
  ret
```

assistant: ```c
int img_stdio_fwrite(void *obj, const void *buf, size_t num_bytes, size_t *bytes_read) {
  FILE *file = (FILE *)obj;
  *bytes_read = fwrite(buf, 1, num_bytes, file);
  if (ferror(file))
    return errno;
  return 0;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<img_stdio_fwrite>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%rdi
  mov    %rcx,%rbp
  mov    %rbx,%rcx
  mov    $0x1,%esi
  call   <fwrite@plt>
  mov    %rax,0x0(%rbp)
  mov    %rbx,%rdi
  call   <ferror@plt>
  mov    %rax,%rdx
  mov    $0x0,%eax
  test   %rdx,%rdx
  jne    L12
L15:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L12:
  mov    D8(%rip),%rax
  mov    (%rax),%eax
  jmp    L15
```

assistant: ```c
int img_stdio_fwrite(void *obj, const void *buf, size_t num_bytes, size_t *bytes_read) {
  FILE *file = (FILE *)obj;
  *bytes_read = fwrite(buf, 1, num_bytes, file);
  if (ferror(file))
    return errno;
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<img_stdio_fwrite>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  mov    %rsi,%rdi
  mov    $0x1,%esi
  push   %rbx
  mov    %rcx,%rbx
  mov    %rbp,%rcx
  sub    $0x8,%rsp
  call   <fwrite@plt>
  mov    %rbp,%rdi
  mov    %rax,(%rbx)
  call   <ferror@plt>
  mov    %rax,%r8
  xor    %eax,%eax
  test   %r8,%r8
  je     L5
  mov    D6(%rip),%rax
  mov    (%rax),%eax
L5:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
int img_stdio_fwrite(void *obj, const void *buf, size_t num_bytes, size_t *bytes_read) {
  FILE *file = (FILE *)obj;
  *bytes_read = fwrite(buf, 1, num_bytes, file);
  if (ferror(file))
    return errno;
  return 0;
}
```
user: What is the c source code of the assembly code below?

```asm
<img_stdio_fwrite>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  mov    %rsi,%rdi
  mov    $0x1,%esi
  push   %rbx
  mov    %rcx,%rbx
  mov    %rbp,%rcx
  sub    $0x8,%rsp
  call   <fwrite@plt>
  mov    %rbp,%rdi
  mov    %rax,(%rbx)
  call   <ferror@plt>
  mov    %rax,%r8
  xor    %eax,%eax
  test   %r8,%r8
  je     L3
  mov    D2(%rip),%rax
  mov    (%rax),%eax
L3:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
int img_stdio_fwrite(void *obj, const void *buf, size_t num_bytes, size_t *bytes_read) {
  FILE *file = (FILE *)obj;
  *bytes_read = fwrite(buf, 1, num_bytes, file);
  if (ferror(file))
    return errno;
  return 0;
}
```