user: What is the c source code of the assembly code below:

```asm
<generateMatrix>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  mov    %edi,%ebp
  shl    $0x3,%edi
  push   %rbx
  lea    -0x1(%rbp),%ebx
  sub    $0x18,%rsp
  call   <malloc@plt>
  mov    %rax,%r15
  mov    %ebp,%eax
  imul   %ebp,%eax
  mov    %eax,0xc(%rsp)
  test   %ebp,%ebp
  jle    L101
  mov    %ebp,%eax
  lea    0x0(,%rbp,4),%r13d
  mov    %r15,%r14
  lea    (%r15,%rax,8),%r12
  nopl   0x0(%rax)
L69:
  mov    %r13d,%edi
  add    $0x8,%r14
  call   <malloc@plt>
  mov    %rax,-0x8(%r14)
  cmp    %r12,%r14
  jne    L69
L48:
  movslq %ebx,%rdx
  movdqa D12(%rip),%xmm3
  mov    %ebx,%esi
  xor    %ecx,%ecx
  movdqa D16(%rip),%xmm2
  xor    %edi,%edi
  xor    %r14d,%r14d
  mov    %ebp,%r13d
  shl    $0x2,%rdx
  mov    $0x1,%eax
  nopl   (%rax)
L164:
  cmp    %ebx,%r14d
  jg     L183
  mov    (%r15,%rdi,8),%r10
  cmp    $0x2,%esi
  jbe    L203
  mov    %r13d,%r9d
  movd   %eax,%xmm4
  lea    (%r10,%rcx,1),%r8
  shr    $0x2,%r9d
  pshufd $0x0,%xmm4,%xmm0
  shl    $0x4,%r9
  paddd  %xmm3,%xmm0
  add    %r8,%r9
  nopl   (%rax)
L181:
  movdqa %xmm0,%xmm1
  add    $0x10,%r8
  paddd  %xmm2,%xmm0
  movups %xmm1,-0x10(%r8)
  cmp    %r8,%r9
  jne    L181
  mov    %r13d,%r11d
  and    $0xfffffffc,%r11d
  lea    (%r14,%r11,1),%r8d
  lea    (%rax,%r11,1),%r9d
  cmp    %r11d,%r13d
  je     L121
L134:
  movslq %r8d,%r11
  lea    0x1(%r9),%r12d
  mov    %r9d,(%r10,%r11,4)
  lea    0x0(,%r11,4),%rbp
  lea    0x1(%r8),%r11d
  cmp    %r11d,%ebx
  jl     L121
  add    $0x2,%r8d
  mov    %r12d,0x4(%r10,%rbp,1)
  add    $0x2,%r9d
  cmp    %r8d,%ebx
  jl     L121
  mov    %r9d,0x8(%r10,%rbp,1)
L121:
  lea    0x1(%rsi,%rax,1),%eax
L183:
  add    $0x1,%r14d
  cmp    %ebx,%r14d
  jg     L179
  mov    %ebx,%r11d
  movslq %r14d,%r8
  mov    %eax,%ebp
  sub    %edi,%r11d
  lea    (%r15,%r8,8),%r8
  add    %eax,%r11d
  nopl   0x0(%rax)
L146:
  mov    (%r8),%r9
  mov    %eax,%r10d
  add    $0x1,%eax
  add    $0x8,%r8
  mov    %r10d,(%r9,%rdx,1)
  cmp    %r11d,%eax
  jne    L146
  lea    (%rsi,%rbp,1),%eax
L179:
  lea    -0x1(%rbx),%r8d
  mov    %edi,%r12d
  cmp    %edi,%r8d
  jl     L20
  lea    -0x1(%rsi),%r10d
  mov    (%r15,%rdx,2),%r11
  mov    %r10d,0x4(%rsp)
  cmp    $0x2,%r10d
  jbe    L136
  mov    %esi,%r10d
  movd   %eax,%xmm5
  lea    -0x10(%r11,%rdx,1),%r9
  shr    $0x2,%r10d
  pshufd $0x0,%xmm5,%xmm1
  lea    -0x1(%r10),%ebp
  mov    $0xfffffffffffffff0,%r10
  paddd  %xmm3,%xmm1
  shl    $0x4,%rbp
  sub    %rbp,%r10
  add    %r9,%r10
  xchg   %ax,%ax
L120:
  movdqa %xmm1,%xmm0
  sub    $0x10,%r9
  paddd  %xmm2,%xmm1
  pshufd $0x1b,%xmm0,%xmm0
  movups %xmm0,0x10(%r9)
  cmp    %r9,%r10
  jne    L120
  mov    %esi,%ebp
  mov    %r8d,%r9d
  and    $0xfffffffc,%ebp
  sub    %ebp,%r9d
  lea    0x0(%rbp,%rax,1),%r10d
  mov    %r9d,(%rsp)
  cmp    %esi,%ebp
  je     L66
L21:
  movslq (%rsp),%rbp
  lea    0x1(%r10),%r9d
  mov    %r9d,0x8(%rsp)
  mov    %r10d,(%r11,%rbp,4)
  lea    0x0(,%rbp,4),%r9
  mov    (%rsp),%ebp
  sub    $0x1,%ebp
  cmp    %ebp,%r12d
  jg     L66
  mov    %r9,%rbp
  mov    0x8(%rsp),%r9d
  add    $0x2,%r10d
  mov    %r9d,-0x4(%r11,%rbp,1)
  mov    (%rsp),%r9d
  sub    $0x2,%r9d
  cmp    %r12d,%r9d
  jl     L66
  mov    %r10d,-0x8(%r11,%rbp,1)
L66:
  lea    (%rax,%rsi,1),%r11d
  mov    %r11d,%eax
  cmp    %r12d,%r8d
  jle    L20
  movslq %r8d,%r9
  sub    %edi,%ebx
  lea    (%r15,%r9,8),%r9
  lea    -0x1(%r11,%rbx,1),%ebp
  nopl   0x0(%rax)
L175:
  mov    (%r9),%r10
  mov    %eax,%ebx
  add    $0x1,%eax
  sub    $0x8,%r9
  mov    %ebx,(%r10,%rcx,1)
  cmp    %ebp,%eax
  jne    L175
  mov    0x4(%rsp),%eax
  add    %r11d,%eax
L20:
  add    $0x1,%rdi
  sub    $0x2,%esi
  sub    $0x2,%r13d
  add    $0x4,%rcx
  sub    $0x4,%rdx
  cmp    0xc(%rsp),%eax
  jg     L123
  mov    %r8d,%ebx
  jmp    L164
L101:
  mov    0xc(%rsp),%eax
  test   %eax,%eax
  jne    L48
L123:
  add    $0x18,%rsp
  mov    %r15,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L136:
  mov    %r8d,(%rsp)
  mov    %eax,%r10d
  jmp    L21
L203:
  mov    %eax,%r9d
  mov    %r14d,%r8d
  jmp    L134
```

tool_calls: name: retrieve_data
arguments: data_tag: D12
data_type: byte[16]
name: retrieve_data
arguments: data_tag: D16
data_type: byte[16]

tool: {"D12": [0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x03,0x00,0x00,0x00]}

tool: {"D16": [0x04,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x04,0x00,0x00,0x00]}

assistant: ```c
int **generateMatrix(int n) {
  int **result = (int **)malloc(sizeof(int *) * n);
  int i, k;
  for (i = 0; i < n; i++) {
    result[i] = (int *)malloc(sizeof(int) * n);
  }
  int start, end;
  k = 1;
  start = 0;
  end = n - 1;
  while (k <= n * n) {
    for (i = start; i <= end; i++) {
      result[start][i] = k++;
    }
    for (i = start + 1; i <= end; i++) {
      result[i][end] = k++;
    }
    for (i = end - 1; i >= start; i--) {
      result[end][i] = k++;
    }
    for (i = end - 1; i > start; i--) {
      result[i][start] = k++;
    }
    start++;
    end--;
  }
  return result;
}
```