# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
# vim: set filetype=python:
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at
http://mozilla.org/MPL/2.0/.
# dummy library name to avoid skipping building the source here, which
# we only need the object for.
Library("elfhack_inject")
DIST_INSTALL = False
stem = CONFIG["TARGET_CPU"]
if CONFIG["RELRHACK"] and CONFIG["OS_TARGET"] == "Android":
stem += "-android"
gen_src = "%s.c" % stem
GeneratedFile(
gen_src, script="copy_source.py", entry_point="copy", inputs=["../inject.c"]
)
SOURCES += [
"!%s" % gen_src,
]
if CONFIG["RELRHACK"]:
DEFINES["RELRHACK"] = True
LOCAL_INCLUDES += [".."]
NO_PGO = True
for v in ("OS_CPPFLAGS", "OS_CFLAGS", "DEBUG", "CLANG_PLUGIN", "OPTIMIZE", "FRAMEPTR"):
flags = []
idx = 0
for flag in COMPILE_FLAGS[v]:
if flag == "-isystem":
flags.append("".join(COMPILE_FLAGS[v][idx : idx + 2]))
elif (
flag.startswith(("-g", "-m", "-I", "-isystem", "--sysroot="))
or flag == "-fPIC"
):
flags.append(flag)
idx += 1
COMPILE_FLAGS[v] = flags
COMPILE_FLAGS["OS_CFLAGS"] += [
"-O2",
"-fno-stack-protector",
"-fno-lto",
# The injected code runs early enough that it supporting unwinding is useless.
# Moreover, elfhack doesn't inject the eh_frame section anyways.
"-fno-asynchronous-unwind-tables",
]
AllowCompilerWarnings()
NoVisibilityFlags()
