tools/kazoo/difftest

#!/bin/bash

# Copyright 2019 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

set -e

pushd ../..

function compare() {
  echo "------ $1 ------"
  # +4 and +6 are to skip the copyright headers
  tail +4 $2 > /tmp/before
  tail +6 < $3 > /tmp/after
  diff /tmp/before /tmp/after
}

fx ninja -C out/default host_x64/kazoo host_x64/kazoo_host_tests

out/default/host_x64/exe.unstripped/kazoo_host_tests

out/default.zircon/host-x64-linux-clang/obj/tools/fidl/fidlc \
      --json /tmp/syscalls.json \
      --files zircon/experimental/syscalls/*.fidl

out/default/host_x64/exe.unstripped/kazoo \
  --arm-asm=/tmp/arm-asm.S \
  --category=/tmp/syscall-category.inc \
  --json=/tmp/definitions.json \
  --kernel-branches=/tmp/kernel-branches.S \
  --kernel-header=/tmp/kernel-header.h \
  --kernel-wrappers=/tmp/kernel-wrappers.inc \
  --ktrace=/tmp/ktrace.inc \
  --rust=/tmp/definitions.rs \
  --syscall-numbers=/tmp/syscall-numbers.h \
  --user-header=/tmp/definitions.h \
  --vdso-header=/tmp/vdso-definitions.h \
  --vdso-wrappers=/tmp/vdso-wrappers.inc \
  --x86-asm=/tmp/x86-asm.S \
  /tmp/syscalls.json

# These comparisons rely on having an up-to-date build of arm64 and then x64 (to get the outputs of
# banjoc/abigen in the locations below. e.g.
#
#  rm -f out/default.zircon/gen/syscalls.abigen && \
#      fx set core.arm64 && ninja -C out/default.zircon -j1000 && \
#      fx set core.x64 && ninja -C out/default.zircon -j1000

compare "arm-asm" \
        "out/default.zircon/user.vdso-arm64-clang.shlib/gen/system/ulib/zircon/zircon/syscalls-arm64.S" \
        "/tmp/arm-asm.S"

compare "category" \
        "out/default.zircon/kernel-x64-clang/gen/kernel/lib/userabi/zircon/syscall-category.inc" \
        "/tmp/syscall-category.inc"

# No comments in .json, so no copyright to skip, so just diff inline instead.
echo "------ json ------"
diff "out/default.zircon/user.vdso-x64-clang.shlib/gen/kernel/syscalls/zircon/definitions.json" \
     "/tmp/definitions.json"

compare "kernel-branches" \
        "out/default.zircon/kernel-x64-clang/gen/kernel/syscalls/zircon/syscall-kernel-branches.S" \
        "/tmp/kernel-branches.S"

compare "kernel-header" \
        "out/default.zircon/kernel-x64-clang/gen/kernel/syscalls/zircon/syscall-definitions.h" \
        "/tmp/kernel-header.h"

compare "kernel-wrappers" \
        "out/default.zircon/user.vdso-x64-clang.shlib/gen/kernel/syscalls/zircon/syscall-kernel-wrappers.inc" \
        "/tmp/kernel-wrappers.inc"

compare "ktrace" \
        "out/default.zircon/kernel-x64-clang/gen/kernel/lib/ktrace/zircon/syscall-ktrace-info.inc" \
        "/tmp/ktrace.inc"

compare "rust" \
        "out/default.zircon/user.vdso-x64-clang.shlib/gen/zircon/syscalls/definitions.rs" \
        "/tmp/definitions.rs"

compare "syscall-numbers" \
        "out/default.zircon/kernel-x64-clang/gen/kernel/syscalls/zircon/zx-syscall-numbers.h" \
        "/tmp/syscall-numbers.h"

compare "user-header" \
        "out/default.zircon/user.vdso-x64-clang.shlib/gen/zircon/syscalls/definitions.h" \
        "/tmp/definitions.h"

compare "vdso-header" \
        "out/default.zircon/user.vdso-x64-clang.shlib/gen/system/ulib/zircon/zircon/syscall-vdso-definitions.h" \
        "/tmp/vdso-definitions.h"

compare "vdso-wrappers" \
        "out/default.zircon/user.vdso-x64-clang.shlib/gen/system/ulib/zircon/zircon/syscall-vdso-wrappers.inc" \
        "/tmp/vdso-wrappers.inc"

compare "x86-asm" \
        "out/default.zircon/user.vdso-x64-clang.shlib/gen/system/ulib/zircon/zircon/syscalls-x86-64.S" \
        "/tmp/x86-asm.S"