third_party/rust_crates/compat/generator/BUILD.gn

# Copyright 2023 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.

# Assembly parts of generator 0.7.5
#
# More advanced usages of might require more sophisticated
# build rules

import("//build/rust/rustc_link_attribute.gni")

generator_crate = "../../vendor/generator-0.7.5"

static_library("asm-static") {
  output_name = "asm"
  if (current_cpu == "x64" && !is_mac) {
    sources = [ "$generator_crate/src/detail/asm/asm_x86_64_sysv_elf_gas.S" ]
  } else if (current_cpu == "x64" && is_mac) {
    sources = [ "$generator_crate/src/detail/asm/asm_x86_64_sysv_macho_gas.S" ]
  } else if (current_cpu == "arm64" && !is_mac) {
    sources = [ "$generator_crate/src/detail/asm/asm_aarch64_aapcs_elf_gas.S" ]
  } else if (current_cpu == "arm64" && is_mac) {
    sources =
        [ "$generator_crate/src/detail/asm/asm_aarch64_aapcs_macho_gas.S" ]
  } else {
    assert(false, "unsupported OS or CPU: $current_os/$current_cpu")
  }
}

rustc_link_attribute("asm") {
  lib_name = "asm"
  lib_static_target = ":asm-static"
}