DivestOS/Patches/LineageOS-16.0/android_bionic/0001-HM-Use_HM.patch

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From a0f883810d372c01632846d9bb3bd90807498fba Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Wed, 5 Dec 2018 01:51:56 -0500
Subject: [PATCH] add hardened_malloc library
---
libc/Android.bp | 44 ++++++++++++++++++++++++++++-------
libc/bionic/malloc_common.cpp | 5 ++++
2 files changed, 40 insertions(+), 9 deletions(-)
diff --git a/libc/Android.bp b/libc/Android.bp
index 6ba7cce9b..26ffc73b6 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -51,6 +51,8 @@ libc_common_flags = [
// Clang's exit-time destructor registration hides __dso_handle, but
// __dso_handle needs to have default visibility on ARM32. See b/73485611.
"-Wexit-time-destructors",
+
+ "-DH_MALLOC_PREFIX",
]
// Define some common cflags
@@ -64,9 +66,17 @@ cc_defaults {
cppflags: [],
include_dirs: [
"bionic/libc/async_safe/include",
- "external/jemalloc/include",
],
+ multilib: {
+ lib32: {
+ include_dirs: ["external/jemalloc/include"],
+ },
+ lib64: {
+ include_dirs: ["external/hardened_malloc/"],
+ },
+ },
+
stl: "none",
system_shared_libs: [],
sanitize: {
@@ -1577,11 +1587,6 @@ cc_library_static {
name: "libc_ndk",
defaults: ["libc_defaults"],
srcs: libc_common_src_files + ["bionic/malloc_common.cpp"],
- multilib: {
- lib32: {
- srcs: libc_common_src_files_32,
- },
- },
arch: {
arm: {
srcs: [
@@ -1613,9 +1618,18 @@ cc_library_static {
"libc_syscalls",
"libc_tzcode",
"libm",
- "libjemalloc",
"libstdc++",
],
+
+ multilib: {
+ lib32: {
+ srcs: libc_common_src_files_32,
+ whole_static_libs: ["libjemalloc"],
+ },
+ lib64: {
+ whole_static_libs: ["libhardened_malloc"],
+ },
+ },
}
// ========================================================
@@ -1705,7 +1719,11 @@ cc_library_static {
// ========================================================
cc_library_static {
defaults: ["libc_defaults"],
- srcs: ["bionic/jemalloc_wrapper.cpp"],
+ multilib: {
+ lib32: {
+ srcs: ["bionic/jemalloc_wrapper.cpp"],
+ },
+ },
cflags: ["-fvisibility=hidden"],
name: "libc_malloc",
@@ -1768,9 +1786,17 @@ cc_library {
],
whole_static_libs: [
"libc_common",
- "libjemalloc",
],
+ multilib: {
+ lib32: {
+ whole_static_libs: ["libjemalloc"],
+ },
+ lib64: {
+ whole_static_libs: ["libhardened_malloc"],
+ },
+ },
+
nocrt: true,
arch: {
diff --git a/libc/bionic/malloc_common.cpp b/libc/bionic/malloc_common.cpp
index 1ea4ac1a3..c86fbdaea 100644
--- a/libc/bionic/malloc_common.cpp
+++ b/libc/bionic/malloc_common.cpp
@@ -46,8 +46,13 @@
#include <private/bionic_globals.h>
#include <private/bionic_malloc_dispatch.h>
+#ifdef __LP64__
+#include "h_malloc.h"
+#define Malloc(function) h_ ## function
+#else
#include "jemalloc.h"
#define Malloc(function) je_ ## function
+#endif
static constexpr MallocDispatch __libc_malloc_default_dispatch
__attribute__((unused)) = {