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125 lines
3.2 KiB
Diff
125 lines
3.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Daniel Micay <danielmicay@gmail.com>
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Date: Wed, 5 Dec 2018 01:51:56 -0500
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Subject: [PATCH] add hardened_malloc library
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---
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libc/Android.bp | 44 ++++++++++++++++++++++++++++-------
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libc/bionic/malloc_common.cpp | 5 ++++
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2 files changed, 40 insertions(+), 9 deletions(-)
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diff --git a/libc/Android.bp b/libc/Android.bp
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index eeeadb672..5b3495ff2 100644
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--- a/libc/Android.bp
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+++ b/libc/Android.bp
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@@ -51,6 +51,8 @@ libc_common_flags = [
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// Clang's exit-time destructor registration hides __dso_handle, but
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// __dso_handle needs to have default visibility on ARM32. See b/73485611.
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"-Wexit-time-destructors",
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+
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+ "-DH_MALLOC_PREFIX",
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]
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// Define some common cflags
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@@ -64,9 +66,17 @@ cc_defaults {
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cppflags: [],
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include_dirs: [
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"bionic/libc/async_safe/include",
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- "external/jemalloc/include",
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],
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+ multilib: {
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+ lib32: {
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+ include_dirs: ["external/jemalloc/include"],
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+ },
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+ lib64: {
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+ include_dirs: ["external/hardened_malloc/"],
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+ },
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+ },
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+
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stl: "none",
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system_shared_libs: [],
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sanitize: {
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@@ -1609,11 +1619,6 @@ cc_library_static {
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name: "libc_ndk",
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defaults: ["libc_defaults"],
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srcs: libc_common_src_files + ["bionic/malloc_common.cpp"],
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- multilib: {
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- lib32: {
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- srcs: libc_common_src_files_32,
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- },
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- },
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arch: {
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arm: {
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srcs: [
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@@ -1645,9 +1650,18 @@ cc_library_static {
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"libc_syscalls",
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"libc_tzcode",
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"libm",
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- "libjemalloc",
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"libstdc++",
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],
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+
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+ multilib: {
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+ lib32: {
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+ srcs: libc_common_src_files_32,
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+ whole_static_libs: ["libjemalloc"],
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+ },
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+ lib64: {
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+ whole_static_libs: ["libhardened_malloc"],
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+ },
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+ },
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}
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// ========================================================
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@@ -1737,7 +1751,11 @@ cc_library_static {
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// ========================================================
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cc_library_static {
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defaults: ["libc_defaults"],
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- srcs: ["bionic/jemalloc_wrapper.cpp"],
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+ multilib: {
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+ lib32: {
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+ srcs: ["bionic/jemalloc_wrapper.cpp"],
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+ },
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+ },
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cflags: ["-fvisibility=hidden"],
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name: "libc_malloc",
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@@ -1800,9 +1818,17 @@ cc_library {
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],
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whole_static_libs: [
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"libc_common",
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- "libjemalloc",
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],
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+ multilib: {
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+ lib32: {
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+ whole_static_libs: ["libjemalloc"],
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+ },
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+ lib64: {
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+ whole_static_libs: ["libhardened_malloc"],
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+ },
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+ },
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+
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nocrt: true,
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arch: {
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diff --git a/libc/bionic/malloc_common.cpp b/libc/bionic/malloc_common.cpp
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index 1ea4ac1a3..c86fbdaea 100644
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--- a/libc/bionic/malloc_common.cpp
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+++ b/libc/bionic/malloc_common.cpp
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@@ -46,8 +46,13 @@
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#include <private/bionic_globals.h>
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#include <private/bionic_malloc_dispatch.h>
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+#ifdef __LP64__
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+#include "h_malloc.h"
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+#define Malloc(function) h_ ## function
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+#else
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#include "jemalloc.h"
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#define Malloc(function) je_ ## function
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+#endif
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static constexpr MallocDispatch __libc_malloc_default_dispatch
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__attribute__((unused)) = {
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