diff options
Diffstat (limited to 'vdso/BUILD')
| -rw-r--r-- | vdso/BUILD | 41 |
1 files changed, 15 insertions, 26 deletions
diff --git a/vdso/BUILD b/vdso/BUILD index 7ceed349e..d37d4266d 100644 --- a/vdso/BUILD +++ b/vdso/BUILD @@ -3,20 +3,10 @@ # normal system VDSO (time, gettimeofday, clock_gettimeofday) but which uses # timekeeping parameters managed by the sandbox kernel. -load("@bazel_tools//tools/cpp:cc_flags_supplier.bzl", "cc_flags_supplier") +load("//tools:defs.bzl", "cc_flags_supplier", "cc_toolchain", "select_arch") package(licenses = ["notice"]) -config_setting( - name = "x86_64", - constraint_values = ["@bazel_tools//platforms:x86_64"], -) - -config_setting( - name = "aarch64", - constraint_values = ["@bazel_tools//platforms:aarch64"], -) - genrule( name = "vdso", srcs = [ @@ -39,14 +29,15 @@ genrule( "-O2 " + "-std=c++11 " + "-fPIC " + + "-fno-sanitize=all " + # Some toolchains enable stack protector by default. Disable it, the # VDSO has no hooks to handle failures. "-fno-stack-protector " + "-fuse-ld=gold " + - select({ - ":x86_64": "-m64 ", - "//conditions:default": "", - }) + + select_arch( + amd64 = "-m64 ", + arm64 = "", + ) + "-shared " + "-nostdlib " + "-Wl,-soname=linux-vdso.so.1 " + @@ -55,12 +46,10 @@ genrule( "-Wl,-Bsymbolic " + "-Wl,-z,max-page-size=4096 " + "-Wl,-z,common-page-size=4096 " + - select( - { - ":x86_64": "-Wl,-T$(location vdso_amd64.lds) ", - ":aarch64": "-Wl,-T$(location vdso_arm64.lds) ", - }, - no_match_error = "Unsupported architecture", + select_arch( + amd64 = "-Wl,-T$(location vdso_amd64.lds) ", + arm64 = "-Wl,-T$(location vdso_arm64.lds) ", + no_match_error = "unsupported architecture", ) + "-o $(location vdso.so) " + "$(location vdso.cc) " + @@ -68,14 +57,14 @@ genrule( "&& $(location :check_vdso) " + "--check-data " + "--vdso $(location vdso.so) ", + exec_tools = [ + ":check_vdso", + ], features = ["-pie"], toolchains = [ - "@bazel_tools//tools/cpp:current_cc_toolchain", + cc_toolchain, ":no_pie_cc_flags", ], - tools = [ - ":check_vdso", - ], visibility = ["//:sandbox"], ) @@ -87,6 +76,6 @@ cc_flags_supplier( py_binary( name = "check_vdso", srcs = ["check_vdso.py"], - python_version = "PY2", + python_version = "PY3", visibility = ["//:sandbox"], ) |