commit c10d064b5c44cc7fe461501d66ead5c814110823
author Florian Mayer <fmayer@google.com> Wed Mar 22 16:12:49 2023 -0700
committer Florian Mayer <fmayer@google.com> Fri Apr 14 01:33:30 2023 -0700
tree aae2e7b1d57f68ffa6e2c0fc3c2f349b39a509ee
parent 80e5ee7e23ebc278c9bf51ce950f38eb773de956

Introduce hwasan mode for linker

This mode instructs the linker to search for libraries in hwasan
subdirectories of all library search paths. This is set up to contain a
hwasan-enabled copy of libc, which is needed for HWASan programs to
operate. There are two ways this mode can be enabled:

* for native binaries, by using the linker_hwasan64 symlink as its
  interpreter
* for apps: by setting the LD_HWASAN environment variable in wrap.sh

Bug: 276930343
Change-Id: I0f4117a50091616f26947fbe37a28ee573b97ad0

libc/bionic/libc_init_common.cpp

diff --git a/libc/bionic/libc_init_common.cpp b/libc/bionic/libc_init_common.cpp
index 5d5ecac..59b2ddb 100644
--- a/libc/bionic/libc_init_common.cpp
+++ b/libc/bionic/libc_init_common.cpp
@@ -289,6 +289,7 @@
       "LD_DEBUG",
       "LD_DEBUG_OUTPUT",
       "LD_DYNAMIC_WEAK",
+      "LD_HWASAN",
       "LD_LIBRARY_PATH",
       "LD_ORIGIN_PATH",
       "LD_PRELOAD",