.extern amd64_intr_handler

#define err(z) \
  pushq $z;

#define no_err(z) \
  pushq $0; \
  pushq $z;

#define push_regs \
  pushq %rax; \
  pushq %rcx; \
  pushq %rdx; \
  pushq %rsi; \
  pushq %rdi; \
  pushq %rbp; \
  pushq %rbx; \
  pushq %r8; \
  pushq %r9; \
  pushq %r10; \
  pushq %r11; \
  pushq %r12; \
  pushq %r13; \
  pushq %r14; \
  pushq %r15;

#define pop_regs \
  popq %r15; \
  popq %r14; \
  popq %r13; \
  popq %r12; \
  popq %r11; \
  popq %r10; \
  popq %r9; \
  popq %r8; \
  popq %rbx; \
  popq %rbp; \
  popq %rdi; \
  popq %rsi; \
  popq %rdx; \
  popq %rcx; \
  popq %rax;

#define make_intr_stub(x, n) \
  .global amd64_intr ## n; \
  amd64_intr ## n:; \
  x(n); \
  cli; \
  push_regs; \
  cld; \
  movq %rsp, %rdi; \
  movq %rsp, %rax; \
  subq $8, %rsp; \
  andq $~0xF, %rsp; \
  movq %rax, (%rsp); \
  callq amd64_intr_handler; \
  movq (%rsp), %rsp; \
  pop_regs; \
  addq $16, %rsp; \
  iretq;
  

make_intr_stub(no_err, 0)
make_intr_stub(no_err, 1)
make_intr_stub(no_err, 2)
make_intr_stub(no_err, 3)
make_intr_stub(no_err, 4)
make_intr_stub(no_err, 5)
make_intr_stub(no_err, 6)
make_intr_stub(no_err, 7)
make_intr_stub(err, 8)
make_intr_stub(no_err, 9)
make_intr_stub(err, 10)
make_intr_stub(err, 11)
make_intr_stub(err, 12)
make_intr_stub(err, 13)
make_intr_stub(err, 14)
make_intr_stub(no_err, 15)
make_intr_stub(no_err, 16)
make_intr_stub(err, 17)
make_intr_stub(no_err, 18)
make_intr_stub(no_err, 19)
make_intr_stub(no_err, 20)
make_intr_stub(err, 21)
make_intr_stub(no_err, 22)
make_intr_stub(no_err, 23)
make_intr_stub(no_err, 24)
make_intr_stub(no_err, 25)
make_intr_stub(no_err, 26)
make_intr_stub(no_err, 27)
make_intr_stub(no_err, 28)
make_intr_stub(err, 29)
make_intr_stub(err, 30)
make_intr_stub(no_err, 31)
make_intr_stub(no_err, 32)
make_intr_stub(no_err, 33)
make_intr_stub(no_err, 34)
make_intr_stub(no_err, 35)
make_intr_stub(no_err, 36)
make_intr_stub(no_err, 37)
make_intr_stub(no_err, 38)
make_intr_stub(no_err, 39)
make_intr_stub(no_err, 40)
make_intr_stub(no_err, 41)
make_intr_stub(no_err, 42)
make_intr_stub(no_err, 43)
make_intr_stub(no_err, 44)
make_intr_stub(no_err, 45)
make_intr_stub(no_err, 46)
make_intr_stub(no_err, 47)