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# Copyright 2014 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import("//build/config/android/config.gni")
import("//build/config/sysroot.gni")
assert(is_android)
shared_library("chromium_android_linker") {
sources = [
"linker_jni.cc",
"linker_jni.h",
"linker_jni_onload.cc",
"linker_minimal_libcxx.cc",
]
deps = [
"//build:buildflag_header_h",
"//third_party/jni_zero:jni_export",
]
# Export JNI symbols.
configs -= [ "//build/config/android:hide_all_but_jni_onload" ]
configs += [ "//build/config/android:hide_all_but_jni" ]
# Disable coverage to avoid linker issue.
configs -= [ "//build/config/coverage:default_coverage" ]
# ThinLTO optimizations save a few bytes of binary size.
configs -= [ "//build/config/compiler:thinlto_optimize_default" ]
configs += [ "//build/config/compiler:thinlto_optimize_max" ]
# Disable orderfile instrumentation. Code in this target is in a different
# .so, cannot call unexported instrumentation functions from another one (link
# time error).
configs -= [ "//build/config/android:default_orderfile_instrumentation" ]
# Avoid linking libc++ and support libraries, to avoid 100 kiB of
# un-necessary code.
no_default_deps = true
# The linker is used on Android platforms that do not support GNU-style
# hash tables, so ensure one isn't included in it to save space (since the SysV
# format is always supported). It would be nice to also remove the GNU version
# tables, for the same reason, but a linker flag to disable them doesn't seem
# to exist. This saves 52 bytes on ARM.
ldflags = [
"-Wl,--hash-style=sysv",
"-llog",
]
}
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