merge in lmp-release history after reset to c891e24073

Bug: 17813018
Change-Id: Id939426ee5303117b9601e7915fcfec5024fc621

CleanSpec.mk

@@ -44,6 +44,10 @@
 #$(call add-clean-step, find $(OUT_DIR) -type f -name "IGTalkSession*" -print0 | xargs -0 rm -f)
 #$(call add-clean-step, rm -rf $(PRODUCT_OUT)/data/*)
 
+# Switching to jemalloc requires deleting these files.
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/STATIC_LIBRARIES/libc_*)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libc_*)
+
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************

HACKING.txt

@@ -81,13 +81,6 @@ libc/
   private/
     # These are private header files meant for use within bionic itself.
 
-  stdio/
-  stdlib/
-  unistd/
-    # These are legacy files of unknown provenance. In the past, bionic was a
-    # mess of random versions of random files from all three of FreeBSD, NetBSD,
-    # and OpenBSD! We've been working to clean that up, but these directories
-    # are basically where all the stuff we haven't got to yet lives.
   dns/
     # Contains the DNS resolver (originates from NetBSD code).
 
@@ -114,6 +107,10 @@ libc/
     # current upstream source in one of the upstream directories or by
     # switching the file to C++ and cleaning it up.
 
+  stdio/
+    # These are legacy files of dubious provenance. We're working to clean
+    # this mess up, and this directory should disappear.
+
   tools/
     # Various tools used to maintain bionic.
 

benchmarks/Android.mk

@@ -24,7 +24,7 @@ LOCAL_PATH := $(call my-dir)
 
 benchmark_c_flags = \
     -O2 \
-    -Wall -Wextra \
+    -Wall -Wextra -Wunused \
     -Werror \
     -fno-builtin \
     -std=gnu++11 \
@@ -54,7 +54,7 @@ LOCAL_SHARED_LIBRARIES += libstlport
 LOCAL_SRC_FILES := $(benchmark_src_files)
 include $(BUILD_EXECUTABLE)
 
-ifeq ($(HOST_OS)-$(HOST_ARCH),linux-x86)
+ifeq ($(HOST_OS)-$(HOST_ARCH),$(filter $(HOST_OS)-$(HOST_ARCH),linux-x86 linux-x86_64))
 ifeq ($(TARGET_ARCH),x86)
 LINKER = linker
 NATIVE_SUFFIX=32

benchmarks/benchmark_main.cpp

@@ -25,13 +25,14 @@
 
 #include <inttypes.h>
 
-static int64_t gBytesProcessed;
-static int64_t gBenchmarkTotalTimeNs;
-static int64_t gBenchmarkStartTimeNs;
+static int64_t g_bytes_processed;
+static int64_t g_benchmark_total_time_ns;
+static int64_t g_benchmark_start_time_ns;
 
 typedef std::map<std::string, ::testing::Benchmark*> BenchmarkMap;
 typedef BenchmarkMap::iterator BenchmarkMapIt;
-static BenchmarkMap gBenchmarks;
+static BenchmarkMap g_benchmarks;
+static int g_name_column_width = 20;
 
 static int Round(int n) {
   int base = 1;
@@ -96,7 +97,7 @@ void Benchmark::Register(const char* name, void (*fn)(int), void (*fn_range)(int
     exit(EXIT_FAILURE);
   }
 
-  gBenchmarks.insert(std::make_pair(name, this));
+  g_benchmarks.insert(std::make_pair(name, this));
 }
 
 void Benchmark::Run() {
@@ -114,16 +115,16 @@ void Benchmark::Run() {
 }
 
 void Benchmark::RunRepeatedlyWithArg(int iterations, int arg) {
-  gBytesProcessed = 0;
-  gBenchmarkTotalTimeNs = 0;
-  gBenchmarkStartTimeNs = NanoTime();
+  g_bytes_processed = 0;
+  g_benchmark_total_time_ns = 0;
+  g_benchmark_start_time_ns = NanoTime();
   if (fn_ != NULL) {
     fn_(iterations);
   } else {
     fn_range_(iterations, arg);
   }
-  if (gBenchmarkStartTimeNs != 0) {
-    gBenchmarkTotalTimeNs += NanoTime() - gBenchmarkStartTimeNs;
+  if (g_benchmark_start_time_ns != 0) {
+    g_benchmark_total_time_ns += NanoTime() - g_benchmark_start_time_ns;
   }
 }
 
@@ -131,12 +132,12 @@ void Benchmark::RunWithArg(int arg) {
   // run once in case it's expensive
   int iterations = 1;
   RunRepeatedlyWithArg(iterations, arg);
-  while (gBenchmarkTotalTimeNs < 1e9 && iterations < 1e9) {
+  while (g_benchmark_total_time_ns < 1e9 && iterations < 1e9) {
     int last = iterations;
-    if (gBenchmarkTotalTimeNs/iterations == 0) {
+    if (g_benchmark_total_time_ns/iterations == 0) {
       iterations = 1e9;
     } else {
-      iterations = 1e9 / (gBenchmarkTotalTimeNs/iterations);
+      iterations = 1e9 / (g_benchmark_total_time_ns/iterations);
     }
     iterations = std::max(last + 1, std::min(iterations + iterations/2, 100*last));
     iterations = Round(iterations);
@@ -145,9 +146,9 @@ void Benchmark::RunWithArg(int arg) {
 
   char throughput[100];
   throughput[0] = '\0';
-  if (gBenchmarkTotalTimeNs > 0 && gBytesProcessed > 0) {
-    double mib_processed = static_cast<double>(gBytesProcessed)/1e6;
-    double seconds = static_cast<double>(gBenchmarkTotalTimeNs)/1e9;
+  if (g_benchmark_total_time_ns > 0 && g_bytes_processed > 0) {
+    double mib_processed = static_cast<double>(g_bytes_processed)/1e6;
+    double seconds = static_cast<double>(g_benchmark_total_time_ns)/1e9;
     snprintf(throughput, sizeof(throughput), " %8.2f MiB/s", mib_processed/seconds);
   }
 
@@ -164,42 +165,47 @@ void Benchmark::RunWithArg(int arg) {
     snprintf(full_name, sizeof(full_name), "%s", name_);
   }
 
-  printf("%-20s %10d %10" PRId64 "%s\n", full_name,
-         iterations, gBenchmarkTotalTimeNs/iterations, throughput);
+  printf("%-*s %10d %10" PRId64 "%s\n", g_name_column_width, full_name,
+         iterations, g_benchmark_total_time_ns/iterations, throughput);
   fflush(stdout);
 }
 
 }  // namespace testing
 
 void SetBenchmarkBytesProcessed(int64_t x) {
-  gBytesProcessed = x;
+  g_bytes_processed = x;
 }
 
 void StopBenchmarkTiming() {
-  if (gBenchmarkStartTimeNs != 0) {
-    gBenchmarkTotalTimeNs += NanoTime() - gBenchmarkStartTimeNs;
+  if (g_benchmark_start_time_ns != 0) {
+    g_benchmark_total_time_ns += NanoTime() - g_benchmark_start_time_ns;
   }
-  gBenchmarkStartTimeNs = 0;
+  g_benchmark_start_time_ns = 0;
 }
 
 void StartBenchmarkTiming() {
-  if (gBenchmarkStartTimeNs == 0) {
-    gBenchmarkStartTimeNs = NanoTime();
+  if (g_benchmark_start_time_ns == 0) {
+    g_benchmark_start_time_ns = NanoTime();
   }
 }
 
 int main(int argc, char* argv[]) {
-  if (gBenchmarks.empty()) {
+  if (g_benchmarks.empty()) {
     fprintf(stderr, "No benchmarks registered!\n");
     exit(EXIT_FAILURE);
   }
 
+  for (BenchmarkMapIt it = g_benchmarks.begin(); it != g_benchmarks.end(); ++it) {
+    int name_width = static_cast<int>(strlen(it->second->Name()));
+    g_name_column_width = std::max(g_name_column_width, name_width);
+  }
+
   bool need_header = true;
-  for (BenchmarkMapIt it = gBenchmarks.begin(); it != gBenchmarks.end(); ++it) {
+  for (BenchmarkMapIt it = g_benchmarks.begin(); it != g_benchmarks.end(); ++it) {
     ::testing::Benchmark* b = it->second;
     if (b->ShouldRun(argc, argv)) {
       if (need_header) {
-        printf("%-20s %10s %10s\n", "", "iterations", "ns/op");
+        printf("%-*s %10s %10s\n", g_name_column_width, "", "iterations", "ns/op");
         fflush(stdout);
         need_header = false;
       }
@@ -210,7 +216,7 @@ int main(int argc, char* argv[]) {
   if (need_header) {
     fprintf(stderr, "No matching benchmarks!\n");
     fprintf(stderr, "Available benchmarks:\n");
-    for (BenchmarkMapIt it = gBenchmarks.begin(); it != gBenchmarks.end(); ++it) {
+    for (BenchmarkMapIt it = g_benchmarks.begin(); it != g_benchmarks.end(); ++it) {
       fprintf(stderr, "  %s\n", it->second->Name());
     }
     exit(EXIT_FAILURE);

benchmarks/math_benchmark.cpp

@@ -16,6 +16,7 @@
 
 #include "benchmark.h"
 
+#include <fenv.h>
 #include <math.h>
 
 // Avoid optimization.
@@ -113,10 +114,49 @@ static void BM_math_isinf_ZERO(int iters) {
 }
 BENCHMARK(BM_math_isinf_ZERO);
 
+static void BM_math_sin_fast(int iters) {
+  StartBenchmarkTiming();
 
+  d = 1.0;
+  for (int i = 0; i < iters; ++i) {
+    d += sin(d);
+  }
 
+  StopBenchmarkTiming();
+}
+BENCHMARK(BM_math_sin_fast);
 
+static void BM_math_sin_feupdateenv(int iters) {
+  StartBenchmarkTiming();
 
+  d = 1.0;
+  for (int i = 0; i < iters; ++i) {
+    fenv_t __libc_save_rm;
+    feholdexcept(&__libc_save_rm);
+    fesetround(FE_TONEAREST);
+    d += sin(d);
+    feupdateenv(&__libc_save_rm);
+  }
+
+  StopBenchmarkTiming();
+}
+BENCHMARK(BM_math_sin_feupdateenv);
+
+static void BM_math_sin_fesetenv(int iters) {
+  StartBenchmarkTiming();
+
+  d = 1.0;
+  for (int i = 0; i < iters; ++i) {
+    fenv_t __libc_save_rm;
+    feholdexcept(&__libc_save_rm);
+    fesetround(FE_TONEAREST);
+    d += sin(d);
+    fesetenv(&__libc_save_rm);
+  }
+
+  StopBenchmarkTiming();
+}
+BENCHMARK(BM_math_sin_fesetenv);
 
 static void BM_math_fpclassify_NORMAL(int iters) {
   StartBenchmarkTiming();

benchmarks/property_benchmark.cpp

@@ -28,12 +28,14 @@
 
 extern void *__system_property_area__;
 
+// Do not exceed 512, that is about the largest number of properties
+// that can be created with the current property area size.
 #define TEST_NUM_PROPS \
-    Arg(1)->Arg(4)->Arg(16)->Arg(64)->Arg(128)->Arg(256)->Arg(512)->Arg(1024)
+    Arg(1)->Arg(4)->Arg(16)->Arg(64)->Arg(128)->Arg(256)->Arg(512)
 
 struct LocalPropertyTestState {
     LocalPropertyTestState(int nprops) : nprops(nprops), valid(false) {
-        static const char prop_name_chars[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ.-_";
+        static const char prop_name_chars[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-_.";
 
         const char* android_data = getenv("ANDROID_DATA");
         if (android_data == NULL) {
@@ -66,18 +68,38 @@ struct LocalPropertyTestState {
         srandom(nprops);
 
         for (int i = 0; i < nprops; i++) {
-            name_lens[i] = random() % PROP_NAME_MAX;
+            // Make sure the name has at least 10 characters to make
+            // it very unlikely to generate the same random name.
+            name_lens[i] = (random() % (PROP_NAME_MAX - 10)) + 10;
             names[i] = new char[PROP_NAME_MAX + 1];
+            size_t prop_name_len = sizeof(prop_name_chars) - 1;
             for (int j = 0; j < name_lens[i]; j++) {
-                names[i][j] = prop_name_chars[random() % (sizeof(prop_name_chars) - 1)];
+                if (j == 0 || names[i][j-1] == '.' || j == name_lens[i] - 1) {
+                    // Certain values are not allowed:
+                    // - Don't start name with '.'
+                    // - Don't allow '.' to appear twice in a row
+                    // - Don't allow the name to end with '.'
+                    // This assumes that '.' is the last character in the
+                    // array so that decrementing the length by one removes
+                    // the value from the possible values.
+                    prop_name_len--;
+                }
+                names[i][j] = prop_name_chars[random() % prop_name_len];
             }
             names[i][name_lens[i]] = 0;
-            value_lens[i] = random() % PROP_VALUE_MAX;
+
+            // Make sure the value contains at least 1 character.
+            value_lens[i] = (random() % (PROP_VALUE_MAX - 1)) + 1;
             values[i] = new char[PROP_VALUE_MAX];
             for (int j = 0; j < value_lens[i]; j++) {
                 values[i][j] = prop_name_chars[random() % (sizeof(prop_name_chars) - 1)];
             }
-            __system_property_add(names[i], name_lens[i], values[i], value_lens[i]);
+
+            if (__system_property_add(names[i], name_lens[i], values[i], value_lens[i]) < 0) {
+                printf("Failed to add a property, terminating...\n");
+                printf("%s = %.*s\n", names[i], value_lens[i], values[i]);
+                exit(1);
+            }
         }
 
         valid = true;
@@ -156,3 +178,56 @@ static void BM_property_find(int iters, int nprops)
     StopBenchmarkTiming();
 }
 BENCHMARK(BM_property_find)->TEST_NUM_PROPS;
+
+static void BM_property_read(int iters, int nprops)
+{
+    StopBenchmarkTiming();
+
+    LocalPropertyTestState pa(nprops);
+
+    if (!pa.valid)
+        return;
+
+    srandom(iters * nprops);
+    const prop_info** pinfo = new const prop_info*[iters];
+    char propvalue[PROP_VALUE_MAX];
+
+    for (int i = 0; i < iters; i++) {
+        pinfo[i] = __system_property_find(pa.names[random() % nprops]);
+    }
+
+    StartBenchmarkTiming();
+    for (int i = 0; i < iters; i++) {
+        __system_property_read(pinfo[i], 0, propvalue);
+    }
+    StopBenchmarkTiming();
+
+    delete[] pinfo;
+}
+BENCHMARK(BM_property_read)->TEST_NUM_PROPS;
+
+static void BM_property_serial(int iters, int nprops)
+{
+    StopBenchmarkTiming();
+
+    LocalPropertyTestState pa(nprops);
+
+    if (!pa.valid)
+        return;
+
+    srandom(iters * nprops);
+    const prop_info** pinfo = new const prop_info*[iters];
+
+    for (int i = 0; i < iters; i++) {
+        pinfo[i] = __system_property_find(pa.names[random() % nprops]);
+    }
+
+    StartBenchmarkTiming();
+    for (int i = 0; i < iters; i++) {
+        __system_property_serial(pinfo[i]);
+    }
+    StopBenchmarkTiming();
+
+    delete[] pinfo;
+}
+BENCHMARK(BM_property_serial)->TEST_NUM_PROPS;

benchmarks/pthread_benchmark.cpp

@@ -18,11 +18,14 @@
 
 #include <pthread.h>
 
+// Stop GCC optimizing out our pure function.
+/* Must not be static! */ pthread_t (*pthread_self_fp)() = pthread_self;
+
 static void BM_pthread_self(int iters) {
   StartBenchmarkTiming();
 
   for (int i = 0; i < iters; ++i) {
-    pthread_self();
+    pthread_self_fp();
   }
 
   StopBenchmarkTiming();

benchmarks/time_benchmark.cpp

@@ -16,23 +16,64 @@
 
 #include "benchmark.h"
 
+#include <sys/syscall.h>
 #include <time.h>
 
-#if defined(__BIONIC__)
-
-// Used by the horrible android.text.format.Time class, which is used by Calendar. http://b/8270865.
-extern "C" void localtime_tz(const time_t* const timep, struct tm* tmp, const char* tz);
-
-static void BM_time_localtime_tz(int iters) {
+static void BM_time_clock_gettime(int iters) {
   StartBenchmarkTiming();
 
-  time_t now(time(NULL));
-  tm broken_down_time;
+  timespec t;
   for (int i = 0; i < iters; ++i) {
-    localtime_tz(&now, &broken_down_time, "Europe/Berlin");
+    clock_gettime(CLOCK_MONOTONIC, &t);
   }
 
   StopBenchmarkTiming();
 }
-BENCHMARK(BM_time_localtime_tz);
-#endif
+BENCHMARK(BM_time_clock_gettime);
+
+static void BM_time_clock_gettime_syscall(int iters) {
+  StartBenchmarkTiming();
+
+  timespec t;
+  for (int i = 0; i < iters; ++i) {
+    syscall(__NR_clock_gettime, CLOCK_MONOTONIC, &t);
+  }
+
+  StopBenchmarkTiming();
+}
+BENCHMARK(BM_time_clock_gettime_syscall);
+
+static void BM_time_gettimeofday(int iters) {
+  StartBenchmarkTiming();
+
+  timeval tv;
+  for (int i = 0; i < iters; ++i) {
+    gettimeofday(&tv, NULL);
+  }
+
+  StopBenchmarkTiming();
+}
+BENCHMARK(BM_time_gettimeofday);
+
+static void BM_time_gettimeofday_syscall(int iters) {
+  StartBenchmarkTiming();
+
+  timeval tv;
+  for (int i = 0; i < iters; ++i) {
+    syscall(__NR_gettimeofday, &tv, NULL);
+  }
+
+  StopBenchmarkTiming();
+}
+BENCHMARK(BM_time_gettimeofday_syscall);
+
+static void BM_time_time(int iters) {
+  StartBenchmarkTiming();
+
+  for (int i = 0; i < iters; ++i) {
+    time(NULL);
+  }
+
+  StopBenchmarkTiming();
+}
+BENCHMARK(BM_time_time);

benchmarks/unistd_benchmark.cpp

@@ -16,6 +16,7 @@
 
 #include "benchmark.h"
 
+#include <sys/syscall.h>
 #include <unistd.h>
 
 static void BM_unistd_getpid(int iters) {
@@ -28,3 +29,39 @@ static void BM_unistd_getpid(int iters) {
   StopBenchmarkTiming();
 }
 BENCHMARK(BM_unistd_getpid);
+
+static void BM_unistd_getpid_syscall(int iters) {
+  StartBenchmarkTiming();
+
+  for (int i = 0; i < iters; ++i) {
+    syscall(__NR_getpid);
+  }
+
+  StopBenchmarkTiming();
+}
+BENCHMARK(BM_unistd_getpid_syscall);
+
+// Stop GCC optimizing out our pure function.
+/* Must not be static! */ pid_t (*gettid_fp)() = gettid;
+
+static void BM_unistd_gettid(int iters) {
+  StartBenchmarkTiming();
+
+  for (int i = 0; i < iters; ++i) {
+    gettid_fp();
+  }
+
+  StopBenchmarkTiming();
+}
+BENCHMARK(BM_unistd_gettid);
+
+static void BM_unistd_gettid_syscall(int iters) {
+  StartBenchmarkTiming();
+
+  for (int i = 0; i < iters; ++i) {
+    syscall(__NR_gettid);
+  }
+
+  StopBenchmarkTiming();
+}
+BENCHMARK(BM_unistd_gettid_syscall);

libc/Android.mk

@@ -37,30 +37,21 @@ endif
 # Define the common source files for all the libc instances
 # =========================================================
 libc_common_src_files := \
-    bionic/arc4random.c \
     bionic/bindresvport.c \
     bionic/daemon.c \
     bionic/err.c \
     bionic/ether_aton.c \
     bionic/ether_ntoa.c \
-    bionic/fdprintf.c \
-    bionic/ftime.c \
     bionic/fts.c \
-    bionic/getdtablesize.c \
     bionic/gethostname.c \
     bionic/getpriority.c \
-    bionic/getpt.c \
     bionic/if_indextoname.c \
     bionic/if_nametoindex.c \
     bionic/initgroups.c \
     bionic/ioctl.c \
     bionic/isatty.c \
-    bionic/issetugid.c \
-    bionic/md5.c \
     bionic/memmem.c \
     bionic/pathconf.c \
-    bionic/ptsname.c \
-    bionic/ptsname_r.c \
     bionic/pututline.c \
     bionic/sched_cpualloc.c \
     bionic/sched_cpucount.c \
@@ -69,12 +60,8 @@ libc_common_src_files := \
     bionic/siginterrupt.c \
     bionic/sigsetmask.c \
     bionic/system_properties_compat.c \
-    bionic/unlockpt.c \
-    stdio/findfp.c \
     stdio/snprintf.c\
     stdio/sprintf.c \
-    stdlib/atexit.c \
-    unistd/syslog.c \
 
 # Fortify implementations of libc functions.
 libc_common_src_files += \
@@ -98,18 +85,23 @@ libc_common_src_files += \
 
 libc_bionic_src_files := \
     bionic/abort.cpp \
+    bionic/accept.cpp \
+    bionic/accept4.cpp \
     bionic/access.cpp \
     bionic/assert.cpp \
     bionic/atof.cpp \
-    bionic/__bionic_name_mem.cpp \
     bionic/bionic_time_conversions.cpp \
     bionic/brk.cpp \
+    bionic/c16rtomb.cpp \
+    bionic/c32rtomb.cpp \
     bionic/chmod.cpp \
     bionic/chown.cpp \
     bionic/clearenv.cpp \
     bionic/clock.cpp \
     bionic/clone.cpp \
-    bionic/cmsg_nxthdr.cpp \
+    bionic/__cmsg_nxthdr.cpp \
+    bionic/connect.cpp \
+    bionic/ctype.cpp \
     bionic/dirent.cpp \
     bionic/dup2.cpp \
     bionic/epoll_create.cpp \
@@ -125,7 +117,10 @@ libc_bionic_src_files := \
     bionic/futimens.cpp \
     bionic/getauxval.cpp \
     bionic/getcwd.cpp \
+    bionic/getentropy_linux.c \
     bionic/getpgrp.cpp \
+    bionic/getpid.cpp \
+    bionic/gettid.cpp \
     bionic/inotify_init.cpp \
     bionic/lchown.cpp \
     bionic/lfs64_support.cpp \
@@ -137,13 +132,19 @@ libc_bionic_src_files := \
     bionic/link.cpp \
     bionic/locale.cpp \
     bionic/lstat.cpp \
+    bionic/mbrtoc16.cpp \
+    bionic/mbrtoc32.cpp \
+    bionic/mbstate.cpp \
     bionic/mkdir.cpp \
     bionic/mkfifo.cpp \
     bionic/mknod.cpp \
+    bionic/mntent.cpp \
+    bionic/NetdClientDispatch.cpp \
     bionic/open.cpp \
     bionic/pause.cpp \
     bionic/pipe.cpp \
     bionic/poll.cpp \
+    bionic/posix_fadvise.cpp \
     bionic/posix_fallocate.cpp \
     bionic/posix_timers.cpp \
     bionic/pthread_atfork.cpp \
@@ -155,6 +156,7 @@ libc_bionic_src_files := \
     bionic/pthread_exit.cpp \
     bionic/pthread_getcpuclockid.cpp \
     bionic/pthread_getschedparam.cpp \
+    bionic/pthread_gettid_np.cpp \
     bionic/pthread_internals.cpp \
     bionic/pthread_join.cpp \
     bionic/pthread_key.cpp \
@@ -167,7 +169,9 @@ libc_bionic_src_files := \
     bionic/pthread_setschedparam.cpp \
     bionic/pthread_sigmask.cpp \
     bionic/ptrace.cpp \
+    bionic/pty.cpp \
     bionic/raise.cpp \
+    bionic/rand.cpp \
     bionic/readlink.cpp \
     bionic/reboot.cpp \
     bionic/recv.cpp \
@@ -193,29 +197,43 @@ libc_bionic_src_files := \
     bionic/sigprocmask.cpp \
     bionic/sigsuspend.cpp \
     bionic/sigwait.cpp \
+    bionic/socket.cpp \
     bionic/stat.cpp \
     bionic/statvfs.cpp \
+    bionic/strcoll_l.cpp \
     bionic/strerror.cpp \
     bionic/strerror_r.cpp \
+    bionic/strftime_l.cpp \
     bionic/strsignal.cpp \
     bionic/strtold.cpp \
+    bionic/strtold_l.cpp \
+    bionic/strtoll_l.cpp \
+    bionic/strtoull_l.cpp \
+    bionic/strxfrm_l.cpp \
     bionic/stubs.cpp \
     bionic/symlink.cpp \
     bionic/sysconf.cpp \
+    bionic/syslog.cpp \
     bionic/sys_siglist.c \
     bionic/sys_signame.c \
     bionic/system_properties.cpp \
     bionic/tdestroy.cpp \
     bionic/termios.cpp \
-    bionic/thread_atexit.cpp \
+    bionic/thread_private.cpp \
     bionic/tmpfile.cpp \
     bionic/umount.cpp \
     bionic/unlink.cpp \
     bionic/utimes.cpp \
+    bionic/vdso.cpp \
     bionic/wait.cpp \
     bionic/wchar.cpp \
     bionic/wctype.cpp \
 
+libc_cxa_src_files := \
+    bionic/__cxa_guard.cpp \
+    bionic/__cxa_pure_virtual.cpp \
+    bionic/new.cpp \
+
 libc_upstream_freebsd_src_files := \
     upstream-freebsd/lib/libc/gen/ldexp.c \
     upstream-freebsd/lib/libc/gen/sleep.c \
@@ -223,9 +241,6 @@ libc_upstream_freebsd_src_files := \
     upstream-freebsd/lib/libc/stdio/fclose.c \
     upstream-freebsd/lib/libc/stdio/flags.c \
     upstream-freebsd/lib/libc/stdio/fopen.c \
-    upstream-freebsd/lib/libc/stdio/makebuf.c \
-    upstream-freebsd/lib/libc/stdio/mktemp.c \
-    upstream-freebsd/lib/libc/stdio/setvbuf.c \
     upstream-freebsd/lib/libc/stdlib/abs.c \
     upstream-freebsd/lib/libc/stdlib/getopt_long.c \
     upstream-freebsd/lib/libc/stdlib/imaxabs.c \
@@ -251,25 +266,18 @@ libc_upstream_freebsd_src_files := \
     upstream-freebsd/lib/libc/string/wcstok.c \
     upstream-freebsd/lib/libc/string/wmemchr.c \
     upstream-freebsd/lib/libc/string/wmemcpy.c \
-    upstream-freebsd/lib/libc/string/wmemmove.c \
     upstream-freebsd/lib/libc/string/wmemset.c \
 
 libc_upstream_netbsd_src_files := \
-    upstream-netbsd/common/lib/libc/hash/sha1/sha1.c \
-    upstream-netbsd/common/lib/libc/inet/inet_addr.c \
+    upstream-netbsd/common/lib/libc/stdlib/random.c \
     upstream-netbsd/lib/libc/gen/ftw.c \
     upstream-netbsd/lib/libc/gen/nftw.c \
     upstream-netbsd/lib/libc/gen/nice.c \
     upstream-netbsd/lib/libc/gen/popen.c \
     upstream-netbsd/lib/libc/gen/psignal.c \
-    upstream-netbsd/lib/libc/gen/setjmperr.c \
     upstream-netbsd/lib/libc/gen/utime.c \
     upstream-netbsd/lib/libc/gen/utmp.c \
-    upstream-netbsd/lib/libc/inet/inet_ntoa.c \
-    upstream-netbsd/lib/libc/inet/inet_ntop.c \
-    upstream-netbsd/lib/libc/inet/inet_pton.c \
-    upstream-netbsd/lib/libc/isc/ev_streams.c \
-    upstream-netbsd/lib/libc/isc/ev_timers.c \
+    upstream-netbsd/lib/libc/inet/nsap_addr.c \
     upstream-netbsd/lib/libc/regex/regcomp.c \
     upstream-netbsd/lib/libc/regex/regerror.c \
     upstream-netbsd/lib/libc/regex/regexec.c \
@@ -278,25 +286,22 @@ libc_upstream_netbsd_src_files := \
     upstream-netbsd/lib/libc/stdlib/div.c \
     upstream-netbsd/lib/libc/stdlib/drand48.c \
     upstream-netbsd/lib/libc/stdlib/erand48.c \
-    upstream-netbsd/lib/libc/stdlib/exit.c \
+    upstream-netbsd/lib/libc/stdlib/insque.c \
     upstream-netbsd/lib/libc/stdlib/jrand48.c \
     upstream-netbsd/lib/libc/stdlib/ldiv.c \
     upstream-netbsd/lib/libc/stdlib/lldiv.c \
     upstream-netbsd/lib/libc/stdlib/lrand48.c \
-    upstream-netbsd/lib/libc/stdlib/lsearch.c \
     upstream-netbsd/lib/libc/stdlib/mrand48.c \
     upstream-netbsd/lib/libc/stdlib/nrand48.c \
     upstream-netbsd/lib/libc/stdlib/_rand48.c \
+    upstream-netbsd/lib/libc/stdlib/rand_r.c \
+    upstream-netbsd/lib/libc/stdlib/remque.c \
     upstream-netbsd/lib/libc/stdlib/seed48.c \
     upstream-netbsd/lib/libc/stdlib/srand48.c \
-    upstream-netbsd/lib/libc/stdlib/tdelete.c \
-    upstream-netbsd/lib/libc/stdlib/tfind.c \
-    upstream-netbsd/lib/libc/stdlib/tsearch.c \
     upstream-netbsd/lib/libc/string/memccpy.c \
     upstream-netbsd/lib/libc/string/strcasestr.c \
     upstream-netbsd/lib/libc/string/strcoll.c \
     upstream-netbsd/lib/libc/string/strxfrm.c \
-    upstream-netbsd/lib/libc/thread-stub/__isthreaded.c \
     upstream-netbsd/lib/libc/unistd/killpg.c \
 
 libc_upstream_openbsd_gdtoa_src_files := \
@@ -327,6 +332,8 @@ libc_upstream_openbsd_gdtoa_src_files_64 := \
     upstream-openbsd/lib/libc/gdtoa/strtorQ.c \
 
 libc_upstream_openbsd_src_files := \
+    upstream-openbsd/lib/libc/crypt/arc4random.c \
+    upstream-openbsd/lib/libc/crypt/arc4random_uniform.c \
     upstream-openbsd/lib/libc/gen/alarm.c \
     upstream-openbsd/lib/libc/gen/ctype_.c \
     upstream-openbsd/lib/libc/gen/exec.c \
@@ -356,8 +363,21 @@ libc_upstream_openbsd_src_files := \
     upstream-openbsd/lib/libc/locale/wcsxfrm.c \
     upstream-openbsd/lib/libc/locale/wctob.c \
     upstream-openbsd/lib/libc/locale/wctomb.c \
+    upstream-openbsd/lib/libc/net/htonl.c \
+    upstream-openbsd/lib/libc/net/htons.c \
+    upstream-openbsd/lib/libc/net/inet_addr.c \
+    upstream-openbsd/lib/libc/net/inet_lnaof.c \
+    upstream-openbsd/lib/libc/net/inet_makeaddr.c \
+    upstream-openbsd/lib/libc/net/inet_netof.c \
+    upstream-openbsd/lib/libc/net/inet_network.c \
+    upstream-openbsd/lib/libc/net/inet_ntoa.c \
+    upstream-openbsd/lib/libc/net/inet_ntop.c \
+    upstream-openbsd/lib/libc/net/inet_pton.c \
+    upstream-openbsd/lib/libc/net/ntohl.c \
+    upstream-openbsd/lib/libc/net/ntohs.c \
     upstream-openbsd/lib/libc/stdio/asprintf.c \
     upstream-openbsd/lib/libc/stdio/clrerr.c \
+    upstream-openbsd/lib/libc/stdio/dprintf.c \
     upstream-openbsd/lib/libc/stdio/fdopen.c \
     upstream-openbsd/lib/libc/stdio/feof.c \
     upstream-openbsd/lib/libc/stdio/ferror.c \
@@ -369,6 +389,7 @@ libc_upstream_openbsd_src_files := \
     upstream-openbsd/lib/libc/stdio/fgetwc.c \
     upstream-openbsd/lib/libc/stdio/fgetws.c \
     upstream-openbsd/lib/libc/stdio/fileno.c \
+    upstream-openbsd/lib/libc/stdio/findfp.c \
     upstream-openbsd/lib/libc/stdio/fprintf.c \
     upstream-openbsd/lib/libc/stdio/fpurge.c \
     upstream-openbsd/lib/libc/stdio/fputc.c \
@@ -395,12 +416,13 @@ libc_upstream_openbsd_src_files := \
     upstream-openbsd/lib/libc/stdio/gets.c \
     upstream-openbsd/lib/libc/stdio/getwc.c \
     upstream-openbsd/lib/libc/stdio/getwchar.c \
+    upstream-openbsd/lib/libc/stdio/makebuf.c \
+    upstream-openbsd/lib/libc/stdio/mktemp.c \
     upstream-openbsd/lib/libc/stdio/perror.c \
     upstream-openbsd/lib/libc/stdio/printf.c \
     upstream-openbsd/lib/libc/stdio/putc.c \
     upstream-openbsd/lib/libc/stdio/putchar.c \
     upstream-openbsd/lib/libc/stdio/puts.c \
-    upstream-openbsd/lib/libc/stdio/putw.c \
     upstream-openbsd/lib/libc/stdio/putwc.c \
     upstream-openbsd/lib/libc/stdio/putwchar.c \
     upstream-openbsd/lib/libc/stdio/refill.c \
@@ -410,6 +432,7 @@ libc_upstream_openbsd_src_files := \
     upstream-openbsd/lib/libc/stdio/scanf.c \
     upstream-openbsd/lib/libc/stdio/setbuf.c \
     upstream-openbsd/lib/libc/stdio/setbuffer.c \
+    upstream-openbsd/lib/libc/stdio/setvbuf.c \
     upstream-openbsd/lib/libc/stdio/sscanf.c \
     upstream-openbsd/lib/libc/stdio/stdio.c \
     upstream-openbsd/lib/libc/stdio/swprintf.c \
@@ -419,6 +442,7 @@ libc_upstream_openbsd_src_files := \
     upstream-openbsd/lib/libc/stdio/ungetc.c \
     upstream-openbsd/lib/libc/stdio/ungetwc.c \
     upstream-openbsd/lib/libc/stdio/vasprintf.c \
+    upstream-openbsd/lib/libc/stdio/vdprintf.c \
     upstream-openbsd/lib/libc/stdio/vfprintf.c \
     upstream-openbsd/lib/libc/stdio/vfscanf.c \
     upstream-openbsd/lib/libc/stdio/vfwprintf.c \
@@ -436,10 +460,13 @@ libc_upstream_openbsd_src_files := \
     upstream-openbsd/lib/libc/stdio/wprintf.c \
     upstream-openbsd/lib/libc/stdio/wscanf.c \
     upstream-openbsd/lib/libc/stdio/wsetup.c \
+    upstream-openbsd/lib/libc/stdlib/atexit.c \
     upstream-openbsd/lib/libc/stdlib/atoi.c \
     upstream-openbsd/lib/libc/stdlib/atol.c \
     upstream-openbsd/lib/libc/stdlib/atoll.c \
+    upstream-openbsd/lib/libc/stdlib/exit.c \
     upstream-openbsd/lib/libc/stdlib/getenv.c \
+    upstream-openbsd/lib/libc/stdlib/lsearch.c \
     upstream-openbsd/lib/libc/stdlib/setenv.c \
     upstream-openbsd/lib/libc/stdlib/strtoimax.c \
     upstream-openbsd/lib/libc/stdlib/strtol.c \
@@ -448,8 +475,8 @@ libc_upstream_openbsd_src_files := \
     upstream-openbsd/lib/libc/stdlib/strtoull.c \
     upstream-openbsd/lib/libc/stdlib/strtoumax.c \
     upstream-openbsd/lib/libc/stdlib/system.c \
-    upstream-openbsd/lib/libc/string/stpcpy.c \
-    upstream-openbsd/lib/libc/string/stpncpy.c \
+    upstream-openbsd/lib/libc/stdlib/tfind.c \
+    upstream-openbsd/lib/libc/stdlib/tsearch.c \
     upstream-openbsd/lib/libc/string/strcasecmp.c \
     upstream-openbsd/lib/libc/string/strcspn.c \
     upstream-openbsd/lib/libc/string/strdup.c \
@@ -461,7 +488,6 @@ libc_upstream_openbsd_src_files := \
     upstream-openbsd/lib/libc/string/strtok.c \
     upstream-openbsd/lib/libc/string/wcslcpy.c \
     upstream-openbsd/lib/libc/string/wcsstr.c \
-    upstream-openbsd/lib/libc/string/wcswcs.c \
     upstream-openbsd/lib/libc/string/wcswidth.c \
 
 libc_arch_static_src_files := \
@@ -471,18 +497,34 @@ libc_arch_static_src_files := \
 # ========================================================
 libc_common_cflags := \
     -D_LIBC=1 \
-    -Wall -Wextra \
+    -Wall -Wextra -Wunused \
+
+ifneq ($(TARGET_USES_LOGD),false)
+libc_common_cflags += -DTARGET_USES_LOGD
+endif
+
+use_clang := false
 
 # Try to catch typical 32-bit assumptions that break with 64-bit pointers.
 libc_common_cflags += \
     -Werror=pointer-to-int-cast \
     -Werror=int-to-pointer-cast \
     -Werror=type-limits \
+    -Werror \
 
 ifeq ($(strip $(DEBUG_BIONIC_LIBC)),true)
   libc_common_cflags += -DDEBUG
 endif
 
+ifeq ($(MALLOC_IMPL),dlmalloc)
+  libc_common_cflags += -DUSE_DLMALLOC
+  libc_malloc_src := bionic/dlmalloc.c
+else
+  libc_common_cflags += -DUSE_JEMALLOC
+  libc_malloc_src := bionic/jemalloc_wrapper.cpp
+  libc_common_c_includes += external/jemalloc/include
+endif
+
 # To customize dlmalloc's alignment, set BOARD_MALLOC_ALIGNMENT in
 # the appropriate BoardConfig.mk file.
 #
@@ -507,8 +549,7 @@ libc_common_cppflags := \
 
 # Define some common includes
 # ========================================================
-libc_common_c_includes := \
-    $(LOCAL_PATH)/stdlib  \
+libc_common_c_includes += \
     $(LOCAL_PATH)/stdio   \
 
 # ========================================================
@@ -535,11 +576,12 @@ endef
 include $(CLEAR_VARS)
 
 LOCAL_SRC_FILES := bionic/__stack_chk_fail.cpp
-LOCAL_CFLAGS := $(libc_common_cflags) -fno-stack-protector -Werror
+LOCAL_CFLAGS := $(libc_common_cflags) -fno-stack-protector
 LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
 LOCAL_CPPFLAGS := $(libc_common_cppflags)
 LOCAL_C_INCLUDES := $(libc_common_c_includes)
 LOCAL_MODULE := libc_stack_protector
+LOCAL_CLANG := $(use_clang)
 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
 LOCAL_SYSTEM_SHARED_LIBRARIES :=
 
@@ -557,7 +599,9 @@ LOCAL_SRC_FILES := $(call all-c-files-under,tzcode)
 # tzcode doesn't include wcsftime, so we use the OpenBSD one.
 LOCAL_SRC_FILES += upstream-openbsd/lib/libc/time/wcsftime.c
 
-LOCAL_CFLAGS := $(libc_common_cflags)
+LOCAL_CFLAGS := $(libc_common_cflags) \
+    -fvisibility=hidden \
+
 # Don't use ridiculous amounts of stack.
 LOCAL_CFLAGS += -DALL_STATE
 # Include tzsetwall, timelocal, timegm, time2posix, and posix2time.
@@ -568,11 +612,14 @@ LOCAL_CFLAGS += -DTM_GMTOFF=tm_gmtoff
 LOCAL_CFLAGS += -DTZDIR=\"/system/usr/share/zoneinfo\"
 # Include timezone and daylight globals.
 LOCAL_CFLAGS += -DUSG_COMPAT=1
+LOCAL_CFLAGS += -DNO_RUN_TIME_WARNINGS_ABOUT_YEAR_2000_PROBLEMS_THANK_YOU
+LOCAL_CFLAGS += -Dlint
 
 LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
 LOCAL_CPPFLAGS := $(libc_common_cppflags)
 LOCAL_C_INCLUDES := $(libc_common_c_includes) $(LOCAL_PATH)/tzcode/
 LOCAL_MODULE := libc_tzcode
+LOCAL_CLANG := $(use_clang)
 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
 LOCAL_SYSTEM_SHARED_LIBRARIES :=
 
@@ -586,19 +633,29 @@ include $(BUILD_STATIC_LIBRARY)
 
 include $(CLEAR_VARS)
 
-LOCAL_SRC_FILES := $(call all-c-files-under,dns)
+LOCAL_SRC_FILES := \
+    $(call all-c-files-under,dns) \
+    upstream-netbsd/lib/libc/isc/ev_streams.c \
+    upstream-netbsd/lib/libc/isc/ev_timers.c \
+    upstream-netbsd/lib/libc/resolv/mtctxres.c \
+
 LOCAL_CFLAGS := \
     $(libc_common_cflags) \
     -DANDROID_CHANGES \
     -DINET6 \
+    -fvisibility=hidden \
+    -Wno-unused-parameter \
     -I$(LOCAL_PATH)/dns/include \
     -I$(LOCAL_PATH)/private \
     -I$(LOCAL_PATH)/upstream-netbsd/lib/libc/include \
-    -include upstream-netbsd/android/include/netbsd-compat.h
+    -I$(LOCAL_PATH)/upstream-netbsd/android/include \
+    -include netbsd-compat.h \
+
 LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
 LOCAL_CPPFLAGS := $(libc_common_cppflags)
 LOCAL_C_INCLUDES := $(libc_common_c_includes)
 LOCAL_MODULE := libc_dns
+LOCAL_CLANG := $(use_clang)
 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
 LOCAL_SYSTEM_SHARED_LIBRARIES :=
 
@@ -618,13 +675,16 @@ include $(CLEAR_VARS)
 LOCAL_SRC_FILES := $(libc_upstream_freebsd_src_files)
 LOCAL_CFLAGS := \
     $(libc_common_cflags) \
+    -Wno-sign-compare -Wno-uninitialized \
     -I$(LOCAL_PATH)/upstream-freebsd/android/include \
     -I$(LOCAL_PATH)/upstream-freebsd/lib/libc/include \
-    -include freebsd-compat.h
+    -include freebsd-compat.h \
+
 LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
 LOCAL_CPPFLAGS := $(libc_common_cppflags)
 LOCAL_C_INCLUDES := $(libc_common_c_includes)
 LOCAL_MODULE := libc_freebsd
+LOCAL_CLANG := $(use_clang)
 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
 LOCAL_SYSTEM_SHARED_LIBRARIES :=
 
@@ -644,18 +704,22 @@ include $(CLEAR_VARS)
 LOCAL_SRC_FILES := $(libc_upstream_netbsd_src_files)
 LOCAL_CFLAGS := \
     $(libc_common_cflags) \
+    -Wno-sign-compare -Wno-uninitialized \
     -DPOSIX_MISTAKE \
     -I$(LOCAL_PATH)/upstream-netbsd/android/include \
     -I$(LOCAL_PATH)/upstream-netbsd/lib/libc/include \
-    -include netbsd-compat.h
+    -include netbsd-compat.h \
+
 LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
 LOCAL_CPPFLAGS := $(libc_common_cppflags)
 LOCAL_C_INCLUDES := $(libc_common_c_includes)
 LOCAL_MODULE := libc_netbsd
+LOCAL_CLANG := $(use_clang)
 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
 LOCAL_SYSTEM_SHARED_LIBRARIES :=
 
 $(eval $(call patch-up-arch-specific-flags,LOCAL_CFLAGS,libc_common_cflags))
+$(eval $(call patch-up-arch-specific-flags,LOCAL_SRC_FILES,libc_netbsd_src_files))
 include $(BUILD_STATIC_LIBRARY)
 
 
@@ -671,14 +735,18 @@ include $(CLEAR_VARS)
 LOCAL_SRC_FILES := $(libc_upstream_openbsd_src_files)
 LOCAL_CFLAGS := \
     $(libc_common_cflags) \
+    -Wno-sign-compare -Wno-uninitialized -Wno-unused-parameter \
+    -I$(LOCAL_PATH)/private \
     -I$(LOCAL_PATH)/upstream-openbsd/android/include \
     -I$(LOCAL_PATH)/upstream-openbsd/lib/libc/include \
     -I$(LOCAL_PATH)/upstream-openbsd/lib/libc/gdtoa/ \
-    -include openbsd-compat.h
+    -include openbsd-compat.h \
+
 LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
 LOCAL_CPPFLAGS := $(libc_common_cppflags)
 LOCAL_C_INCLUDES := $(libc_common_c_includes)
 LOCAL_MODULE := libc_openbsd
+LOCAL_CLANG := $(use_clang)
 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
 LOCAL_SYSTEM_SHARED_LIBRARIES :=
 
@@ -699,7 +767,9 @@ LOCAL_SRC_FILES_32 := $(libc_upstream_openbsd_gdtoa_src_files_32)
 LOCAL_SRC_FILES_64 := $(libc_upstream_openbsd_gdtoa_src_files_64)
 LOCAL_CFLAGS := \
     $(libc_common_cflags) \
+    -Wno-sign-compare -Wno-uninitialized \
     -fvisibility=hidden \
+    -I$(LOCAL_PATH)/private \
     -I$(LOCAL_PATH)/upstream-openbsd/android/include \
     -I$(LOCAL_PATH)/upstream-openbsd/lib/libc/include \
     -include openbsd-compat.h \
@@ -708,6 +778,7 @@ LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
 LOCAL_CPPFLAGS := $(libc_common_cppflags)
 LOCAL_C_INCLUDES := $(libc_common_c_includes)
 LOCAL_MODULE := libc_gdtoa
+LOCAL_CLANG := $(use_clang)
 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
 LOCAL_SYSTEM_SHARED_LIBRARIES :=
 
@@ -722,27 +793,44 @@ include $(BUILD_STATIC_LIBRARY)
 include $(CLEAR_VARS)
 
 LOCAL_SRC_FILES := $(libc_bionic_src_files)
-LOCAL_CFLAGS := $(libc_common_cflags) -Werror
+LOCAL_CFLAGS := $(libc_common_cflags) \
+    -Wframe-larger-than=2048 \
+
 LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
 LOCAL_CPPFLAGS := $(libc_common_cppflags)
 LOCAL_C_INCLUDES := $(libc_common_c_includes)
 LOCAL_MODULE := libc_bionic
+LOCAL_CLANG := $(use_clang)
 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
 LOCAL_SYSTEM_SHARED_LIBRARIES :=
 
-# Set -DPTHREAD_DEBUG_ENABLED=true to enable support for pthread deadlock prediction.
-# Since this code is experimental it is disabled by default.
-LOCAL_CFLAGS += -DPTHREAD_DEBUG_ENABLED=false
-
-ifneq ($(TARGET_USES_LOGD),false)
-LOCAL_CFLAGS += -DTARGET_USES_LOGD
-endif
-
 $(eval $(call patch-up-arch-specific-flags,LOCAL_CFLAGS,libc_common_cflags))
 $(eval $(call patch-up-arch-specific-flags,LOCAL_SRC_FILES,libc_bionic_src_files))
 include $(BUILD_STATIC_LIBRARY)
 
 
+# ========================================================
+# libc_cxa.a - Things traditionally in libstdc++
+# ========================================================
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := $(libc_cxa_src_files)
+LOCAL_CFLAGS := $(libc_common_cflags) \
+    -fvisibility=hidden \
+
+LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
+LOCAL_CPPFLAGS := $(libc_common_cppflags)
+LOCAL_C_INCLUDES := $(libc_common_c_includes)
+LOCAL_MODULE := libc_cxa
+# GCC refuses to hide new/delete
+LOCAL_CLANG := true
+LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
+LOCAL_SYSTEM_SHARED_LIBRARIES :=
+
+include $(BUILD_STATIC_LIBRARY)
+
+
 # ========================================================
 # libc_syscalls.a
 # ========================================================
@@ -754,12 +842,31 @@ ifdef TARGET_2ND_ARCH
 LOCAL_SRC_FILES_$(TARGET_2ND_ARCH) := $(call all-S-files-under,arch-$(TARGET_2ND_ARCH)/syscalls)
 endif
 LOCAL_MODULE := libc_syscalls
+LOCAL_CLANG := $(use_clang)
 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
 LOCAL_SYSTEM_SHARED_LIBRARIES :=
 
 include $(BUILD_STATIC_LIBRARY)
 
 
+# ========================================================
+# libc_aeabi.a
+# This is an LP32 ARM-only library that needs to be built with -fno-builtin
+# to avoid infinite recursion. For the other architectures we just build an
+# empty library to keep this makefile simple.
+# ========================================================
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES_arm := arch-arm/bionic/__aeabi.c
+LOCAL_MODULE := libc_aeabi
+LOCAL_CLANG := $(use_clang)
+LOCAL_CFLAGS := $(libc_common_cflags) -fno-builtin
+LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
+LOCAL_SYSTEM_SHARED_LIBRARIES :=
+
+include $(BUILD_STATIC_LIBRARY)
+
 # ========================================================
 # libc_common.a
 # ========================================================
@@ -772,18 +879,27 @@ LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
 LOCAL_CPPFLAGS := $(libc_common_cppflags)
 LOCAL_C_INCLUDES := $(libc_common_c_includes)
 LOCAL_MODULE := libc_common
+LOCAL_CLANG := $(use_clang)
 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
 LOCAL_WHOLE_STATIC_LIBRARIES := \
     libc_bionic \
+    libc_cxa \
     libc_dns \
     libc_freebsd \
     libc_gdtoa \
+    libc_malloc \
     libc_netbsd \
     libc_openbsd \
     libc_stack_protector \
     libc_syscalls \
     libc_tzcode \
 
+LOCAL_WHOLE_STATIC_LIBRARIES_arm := libc_aeabi
+
+ifneq ($(MALLOC_IMPL),dlmalloc)
+LOCAL_WHOLE_STATIC_LIBRARIES += libjemalloc
+endif
+
 LOCAL_SYSTEM_SHARED_LIBRARIES :=
 
 # TODO: split out the asflags.
@@ -802,8 +918,8 @@ include $(BUILD_STATIC_LIBRARY)
 # This is a version of the static C library that does not
 # include malloc. It's useful in situations when the user wants
 # to provide their own malloc implementation, or wants to
-# explicitly disallow the use of the use of malloc,
-# such as in the dynamic loader.
+# explicitly disallow the use of malloc, such as in the
+# dynamic linker.
 
 include $(CLEAR_VARS)
 
@@ -814,11 +930,13 @@ LOCAL_SRC_FILES := \
 
 LOCAL_C_INCLUDES := $(libc_common_c_includes)
 LOCAL_CFLAGS := $(libc_common_cflags) \
-                -DLIBC_STATIC
+    -DLIBC_STATIC \
+
 LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
 LOCAL_CPPFLAGS := $(libc_common_cppflags)
 
 LOCAL_MODULE := libc_nomalloc
+LOCAL_CLANG := $(use_clang)
 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
 LOCAL_WHOLE_STATIC_LIBRARIES := libc_common
 LOCAL_SYSTEM_SHARED_LIBRARIES :=
@@ -828,6 +946,24 @@ $(eval $(call patch-up-arch-specific-flags,LOCAL_SRC_FILES,libc_arch_static_src_
 include $(BUILD_STATIC_LIBRARY)
 
 
+# ========================================================
+# libc_malloc.a: the _prefixed_ malloc functions (like dlcalloc).
+# ========================================================
+
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := $(libc_malloc_src)
+LOCAL_CFLAGS := $(libc_common_cflags) \
+    -fvisibility=hidden \
+
+LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
+LOCAL_CPPFLAGS := $(libc_common_cppflags)
+LOCAL_C_INCLUDES := $(libc_common_c_includes)
+LOCAL_MODULE := libc_malloc
+LOCAL_CLANG := $(use_clang)
+LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
+include $(BUILD_STATIC_LIBRARY)
+
+
 # ========================================================
 # libc.a
 # ========================================================
@@ -836,16 +972,17 @@ include $(CLEAR_VARS)
 LOCAL_SRC_FILES := \
     $(libc_arch_static_src_files) \
     $(libc_static_common_src_files) \
-    bionic/dlmalloc.c \
     bionic/malloc_debug_common.cpp \
     bionic/libc_init_static.cpp \
 
 LOCAL_CFLAGS := $(libc_common_cflags) \
-                -DLIBC_STATIC
+    -DLIBC_STATIC \
+
 LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
 LOCAL_CPPFLAGS := $(libc_common_cppflags)
 LOCAL_C_INCLUDES := $(libc_common_c_includes)
 LOCAL_MODULE := libc
+LOCAL_CLANG := $(use_clang)
 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
 LOCAL_WHOLE_STATIC_LIBRARIES := libc_common
 LOCAL_SYSTEM_SHARED_LIBRARIES :=
@@ -864,18 +1001,15 @@ LOCAL_CFLAGS := $(libc_common_cflags)
 LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
 LOCAL_CPPFLAGS := $(libc_common_cppflags)
 LOCAL_C_INCLUDES := $(libc_common_c_includes)
-
 LOCAL_SRC_FILES := \
     $(libc_arch_dynamic_src_files) \
     $(libc_static_common_src_files) \
-    bionic/dlmalloc.c \
     bionic/malloc_debug_common.cpp \
-    bionic/debug_mapinfo.cpp \
-    bionic/debug_stacktrace.cpp \
-    bionic/pthread_debug.cpp \
     bionic/libc_init_dynamic.cpp \
+    bionic/NetdClient.cpp \
 
 LOCAL_MODULE := libc
+LOCAL_CLANG := $(use_clang)
 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
 LOCAL_REQUIRED_MODULES := tzdata
 
@@ -895,6 +1029,13 @@ LOCAL_SHARED_LIBRARIES := libdl
 LOCAL_WHOLE_STATIC_LIBRARIES := libc_common
 LOCAL_SYSTEM_SHARED_LIBRARIES :=
 
+# We'd really like to do this for all architectures, but since this wasn't done
+# before, these symbols must continue to be exported on LP32 for binary
+# compatibility.
+LOCAL_LDFLAGS_arm64 := -Wl,--exclude-libs,libgcc.a
+LOCAL_LDFLAGS_mips64 := -Wl,--exclude-libs,libgcc.a
+LOCAL_LDFLAGS_x86_64 := -Wl,--exclude-libs,libgcc.a
+
 $(eval $(call patch-up-arch-specific-flags,LOCAL_CFLAGS,libc_common_cflags))
 $(eval $(call patch-up-arch-specific-flags,LOCAL_SRC_FILES,libc_arch_dynamic_src_files))
 $(eval $(call patch-up-arch-specific-flags,LOCAL_SRC_FILES,libc_static_common_src_files))
@@ -924,24 +1065,31 @@ include $(CLEAR_VARS)
 
 LOCAL_CFLAGS := \
     $(libc_common_cflags) \
-    -DMALLOC_LEAK_CHECK
+    -DMALLOC_LEAK_CHECK \
+
 LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
 LOCAL_CPPFLAGS := $(libc_common_cppflags)
 
-LOCAL_C_INCLUDES := $(libc_common_c_includes)
+# Make sure that unwind.h comes from libunwind.
+LOCAL_C_INCLUDES := \
+    $(libc_common_c_includes) \
 
 LOCAL_SRC_FILES := \
     bionic/debug_mapinfo.cpp \
     bionic/debug_stacktrace.cpp \
+    bionic/libc_logging.cpp \
     bionic/malloc_debug_leak.cpp \
     bionic/malloc_debug_check.cpp \
 
 LOCAL_MODULE := libc_malloc_debug_leak
+LOCAL_CLANG := $(use_clang)
 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
 
 LOCAL_SHARED_LIBRARIES := libc libdl
-LOCAL_WHOLE_STATIC_LIBRARIES := libc_common
 LOCAL_SYSTEM_SHARED_LIBRARIES :=
+# Only need this for arm since libc++ uses its own unwind code that
+# doesn't mix with the other default unwind code.
+LOCAL_STATIC_LIBRARIES_arm := libc++
 LOCAL_ALLOW_UNDEFINED_SYMBOLS := true
 
 # Don't install on release build
@@ -958,20 +1106,22 @@ include $(CLEAR_VARS)
 
 LOCAL_CFLAGS := \
     $(libc_common_cflags) \
-    -DMALLOC_QEMU_INSTRUMENT
+    -DMALLOC_QEMU_INSTRUMENT \
+
 LOCAL_CONLYFLAGS := $(libc_common_conlyflags)
 LOCAL_CPPFLAGS := $(libc_common_cppflags)
 
 LOCAL_C_INCLUDES := $(libc_common_c_includes)
 
 LOCAL_SRC_FILES := \
-    bionic/malloc_debug_qemu.cpp
+    bionic/libc_logging.cpp \
+    bionic/malloc_debug_qemu.cpp \
 
 LOCAL_MODULE := libc_malloc_debug_qemu
+LOCAL_CLANG := $(use_clang)
 LOCAL_ADDITIONAL_DEPENDENCIES := $(libc_common_additional_dependencies)
 
 LOCAL_SHARED_LIBRARIES := libc libdl
-LOCAL_WHOLE_STATIC_LIBRARIES := libc_common
 LOCAL_SYSTEM_SHARED_LIBRARIES :=
 
 # Don't install on release build
@@ -982,6 +1132,36 @@ include $(BUILD_SHARED_LIBRARY)
 
 endif  #!user
 
+# ========================================================
+# libstdc++.so
+# ========================================================
+libstdcxx_common_src_files := \
+    bionic/__cxa_guard.cpp \
+    bionic/__cxa_pure_virtual.cpp \
+    bionic/new.cpp \
+    bionic/libc_logging.cpp \
+
+include $(CLEAR_VARS)
+LOCAL_C_INCLUDES := $(libc_common_c_includes)
+LOCAL_CFLAGS := $(libc_common_cflags)
+LOCAL_SRC_FILES := $(libstdcxx_common_src_files)
+LOCAL_MODULE:= libstdc++
+LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
+LOCAL_SYSTEM_SHARED_LIBRARIES := libc
+include $(BUILD_SHARED_LIBRARY)
+
+# ========================================================
+# libstdc++.a
+# ========================================================
+include $(CLEAR_VARS)
+LOCAL_C_INCLUDES := $(libc_common_c_includes)
+LOCAL_CFLAGS := $(libc_common_cflags)
+LOCAL_SRC_FILES := $(libstdcxx_common_src_files)
+LOCAL_MODULE:= libstdc++
+LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
+LOCAL_SYSTEM_SHARED_LIBRARIES := libc
+include $(BUILD_STATIC_LIBRARY)
+
 
 # ========================================================
 include $(call all-makefiles-under,$(LOCAL_PATH))

libc/SYSCALLS.TXT

@@ -38,7 +38,6 @@ uid_t   getresuid:getresuid32(uid_t* ruid, uid_t* euid, uid_t* suid)   arm,x86
 uid_t   getresuid:getresuid(uid_t* ruid, uid_t* euid, uid_t* suid)     arm64,mips,mips64,x86_64
 gid_t   getresgid:getresgid32(gid_t* rgid, gid_t* egid, gid_t* sgid)   arm,x86
 gid_t   getresgid:getresgid(gid_t* rgid, gid_t* egid, gid_t* sgid)     arm64,mips,mips64,x86_64
-pid_t   gettid()                   all
 ssize_t readahead(int, off64_t, size_t)     all
 int     getgroups:getgroups32(int, gid_t*)    arm,x86
 int     getgroups:getgroups(int, gid_t*)      arm64,mips,mips64,x86_64
@@ -58,10 +57,8 @@ int     setresgid:setresgid32(gid_t, gid_t, gid_t)   arm,x86
 int     setresgid:setresgid(gid_t, gid_t, gid_t)     arm64,mips,mips64,x86_64
 void*   __brk:brk(void*)           all
 int     kill(pid_t, int)           all
-int     tkill(pid_t tid, int sig)  all
 int     tgkill(pid_t tgid, pid_t tid, int sig)  all
 int     __ptrace:ptrace(int request, int pid, void* addr, void* data)  all
-int     __set_thread_area:set_thread_area(void*  user_desc)  mips,mips64,x86
 
 # <sys/resource.h>
 int getrusage(int, struct rusage*)  all
@@ -84,9 +81,7 @@ pid_t   vfork(void)  arm
 int     setregid:setregid32(gid_t, gid_t)  arm,x86
 int     setregid:setregid(gid_t, gid_t)    arm64,mips,mips64,x86_64
 int     chroot(const char*)  all
-# IMPORTANT: Even though <sys/prctl.h> declares prctl(int, ...), the syscall stub must take 6 arguments
-#            to match the kernel implementation.
-int     prctl(int option, unsigned int arg2, unsigned int arg3, unsigned int arg4, unsigned int arg5) all
+int     prctl(int, unsigned long, unsigned long, unsigned long, unsigned long) all
 long    __arch_prctl:arch_prctl(int, unsigned long) x86_64
 int     capget(cap_user_header_t header, cap_user_data_t data) all
 int     capset(cap_user_header_t header, const cap_user_data_t data) all
@@ -101,7 +96,7 @@ ssize_t     pread64|pread(int, void*, size_t, off_t) arm64,mips64,x86_64
 ssize_t     pwrite64(int, void*, size_t, off64_t) arm,mips,x86
 ssize_t     pwrite64|pwrite(int, void*, size_t, off_t) arm64,mips64,x86_64
 int         close(int)                      all
-pid_t       getpid()    all
+pid_t       __getpid:getpid()  all
 int         munmap(void*, size_t)  all
 void*       mremap(void*, size_t, size_t, unsigned long)  all
 int         msync(const void*, size_t, int)    all
@@ -132,12 +127,7 @@ ssize_t     fgetxattr(int, const char*, void*, size_t) all
 ssize_t     flistxattr(int, char*, size_t) all
 int         fremovexattr(int, const char*) all
 
-# mips64 doesn't have getdents64 until 3.10 kernels.
-# We need this special-case hack as long as we need to support mips64 on older kernels.
-# The currently-available Debian qemu image is on a 3.2 kernel.
-int getdents:getdents64(unsigned int, struct dirent*, unsigned int)   arm,arm64,mips,x86,x86_64
-int __getdents64:getdents64(unsigned int, struct dirent*, unsigned int)   mips64
-int __getdents:getdents(unsigned int, void*, unsigned int)   mips64
+int __getdents64:getdents64(unsigned int, struct dirent*, unsigned int)   arm,arm64,mips,mips64,x86,x86_64
 
 int __openat:openat(int, const char*, int, mode_t) all
 int faccessat(int, const char*, int, int)  all
@@ -177,6 +167,12 @@ void* mmap|mmap64(void*, size_t, int, int, int, off_t)  arm64,mips64,x86_64
 int fallocate64:fallocate(int, int, off64_t, off64_t) arm,mips,x86
 int fallocate|fallocate64(int, int, off_t, off_t) arm64,mips64,x86_64
 
+# posix_fadvise64 is awkward: arm has shuffled arguments,
+# the POSIX functions don't set errno, and no architecture has posix_fadvise.
+int __arm_fadvise64_64:arm_fadvise64_64(int, int, off64_t, off64_t) arm
+int __fadvise64:fadvise64_64(int, off64_t, off64_t, int) x86
+int __fadvise64:fadvise64(int, off64_t, off64_t, int) arm64,mips,mips64,x86_64
+
 int __fstatfs64:fstatfs64(int, size_t, struct statfs*)  arm,mips,x86
 int fstatfs64|fstatfs:fstatfs(int, struct statfs*)  arm64,mips64,x86_64
 int __statfs64:statfs64(const char*, size_t, struct statfs*)  arm,mips,x86
@@ -203,11 +199,9 @@ int     swapon(const char*, int) all
 int     swapoff(const char*) all
 
 # time
-int           gettimeofday(struct timeval*, struct timezone*)       all
 int           settimeofday(const struct timeval*, const struct timezone*)   all
 clock_t       times(struct tms*)       all
 int           nanosleep(const struct timespec*, struct timespec*)   all
-int           clock_gettime(clockid_t clk_id, struct timespec* tp)    all
 int           clock_settime(clockid_t clk_id, const struct timespec* tp)  all
 int           clock_getres(clockid_t clk_id, struct timespec* res)   all
 int           clock_nanosleep(clockid_t clock_id, int flags, const struct timespec* req, struct timespec* rem)  all
@@ -229,16 +223,15 @@ int     __rt_sigpending:rt_sigpending(sigset_t*, size_t)  all
 int     __rt_sigprocmask:rt_sigprocmask(int, const sigset_t*, sigset_t*, size_t)  all
 int     __rt_sigsuspend:rt_sigsuspend(const sigset_t*, size_t)  all
 int     __rt_sigtimedwait:rt_sigtimedwait(const sigset_t*, struct siginfo_t*, struct timespec_t*, size_t)  all
-int     signalfd4(int, const sigset_t*, size_t, int)  all
+int     __signalfd4:signalfd4(int, const sigset_t*, size_t, int)  all
 
 # sockets
-int           socket(int, int, int)              arm,arm64,mips,mips64,x86_64
+int           __socket:socket(int, int, int)              arm,arm64,mips,mips64,x86_64
 int           socketpair(int, int, int, int*)    arm,arm64,mips,mips64,x86_64
 int           bind(int, struct sockaddr*, int)  arm,arm64,mips,mips64,x86_64
-int           connect(int, struct sockaddr*, socklen_t)   arm,arm64,mips,mips64,x86_64
+int           __connect:connect(int, struct sockaddr*, socklen_t)   arm,arm64,mips,mips64,x86_64
 int           listen(int, int)                   arm,arm64,mips,mips64,x86_64
-int           accept(int, struct sockaddr*, socklen_t*)  arm,arm64,mips,mips64,x86_64
-int           accept4(int, struct sockaddr*, socklen_t*, int)  arm,arm64,mips,mips64,x86_64
+int           __accept4:accept4(int, struct sockaddr*, socklen_t*, int)  arm,arm64,mips,mips64,x86_64
 int           getsockname(int, struct sockaddr*, socklen_t*)  arm,arm64,mips,mips64,x86_64
 int           getpeername(int, struct sockaddr*, socklen_t*)  arm,arm64,mips,mips64,x86_64
 int           sendto(int, const void*, size_t, int, const struct sockaddr*, socklen_t)  arm,arm64,mips,mips64,x86_64
@@ -252,11 +245,10 @@ int           recvmmsg(int, struct mmsghdr*, unsigned int, int, const struct tim
 int           sendmmsg(int, struct mmsghdr*, unsigned int, int)   arm,arm64,mips,mips64,x86_64
 
 # sockets for x86. These are done as an "indexed" call to socketcall syscall.
-int           socket:socketcall:1(int, int, int) x86
+int           __socket:socketcall:1(int, int, int) x86
 int           bind:socketcall:2(int, struct sockaddr*, int)  x86
-int           connect:socketcall:3(int, struct sockaddr*, socklen_t)   x86
+int           __connect:socketcall:3(int, struct sockaddr*, socklen_t)   x86
 int           listen:socketcall:4(int, int)                   x86
-int           accept:socketcall:5(int, struct sockaddr*, socklen_t*)  x86
 int           getsockname:socketcall:6(int, struct sockaddr*, socklen_t*)  x86
 int           getpeername:socketcall:7(int, struct sockaddr*, socklen_t*)  x86
 int           socketpair:socketcall:8(int, int, int, int*)    x86
@@ -267,7 +259,7 @@ int           setsockopt:socketcall:14(int, int, int, const void*, socklen_t)  x
 int           getsockopt:socketcall:15(int, int, int, void*, socklen_t*)    x86
 int           sendmsg:socketcall:16(int, const struct msghdr*, unsigned int)  x86
 int           recvmsg:socketcall:17(int, struct msghdr*, unsigned int)   x86
-int           accept4:socketcall:18(int, struct sockaddr*, socklen_t*, int)  x86
+int           __accept4:socketcall:18(int, struct sockaddr*, socklen_t*, int)  x86
 int           recvmmsg:socketcall:19(int, struct mmsghdr*, unsigned int, int, const struct timespec*)   x86
 int           sendmmsg:socketcall:20(int, struct mmsghdr*, unsigned int, int)   x86
 
@@ -286,21 +278,19 @@ int unshare(int) all
 int __sched_getaffinity:sched_getaffinity(pid_t pid, size_t setsize, cpu_set_t* set)  all
 int __getcpu:getcpu(unsigned*, unsigned*, void*) all
 
-# io priorities
-int ioprio_set(int which, int who, int ioprio) all
-int ioprio_get(int which, int who) all
-
 # other
 int     uname(struct utsname*)  all
 mode_t  umask(mode_t)  all
 int     __reboot:reboot(int, int, int, void*)  all
-int     __syslog:syslog(int, char*, int)  all
 int     init_module(void*, unsigned long, const char*)  all
 int     delete_module(const char*, unsigned int)   all
 int     klogctl:syslog(int, char*, int)   all
 int     sysinfo(struct sysinfo*)  all
 int     personality(unsigned long)  all
-long    perf_event_open(struct perf_event_attr* attr_uptr, pid_t pid, int cpu, int group_fd, unsigned long flags) all
+
+ssize_t tee(int, int, size_t, unsigned int)  all
+ssize_t splice(int, off64_t*, int, off64_t*, size_t, unsigned int)  all
+ssize_t vmsplice(int, const struct iovec*, size_t, unsigned int)  all
 
 int epoll_create1(int)  all
 int epoll_ctl(int, int op, int, struct epoll_event*)  all
@@ -311,8 +301,6 @@ int eventfd:eventfd2(unsigned int, int)  all
 void _exit|_Exit:exit_group(int)  all
 void __exit:exit(int)  all
 
-int futex(void*, int, int, void*, void*, int)  all
-
 int inotify_init1(int)  all
 int inotify_add_watch(int, const char*, unsigned int)  all
 int inotify_rm_watch(int, unsigned int)  all
@@ -322,6 +310,9 @@ int __ppoll:ppoll(pollfd*, unsigned int, timespec*, const sigset_t*, size_t)  al
 
 int __set_tid_address:set_tid_address(int*)  all
 
+int setfsgid(gid_t)  all
+int setfsuid(uid_t)  all
+
 pid_t wait4(pid_t, int*, int, struct rusage*)  all
 int __waitid:waitid(int, pid_t, struct siginfo_t*, int, void*)  all
 
@@ -331,3 +322,13 @@ int     cacheflush:__ARM_NR_cacheflush(long start, long end, long flags)  arm
 
 # MIPS-specific
 int     _flush_cache:cacheflush(char* addr, const int nbytes, const int op) mips,mips64
+int     __set_tls:set_thread_area(void*) mips,mips64
+
+# x86-specific
+int     __set_thread_area:set_thread_area(void*) x86
+
+# vdso stuff.
+int clock_gettime(clockid_t, timespec*)                 arm,mips,mips64,x86
+int __clock_gettime:clock_gettime(clockid_t, timespec*) arm64,x86_64
+int gettimeofday(timeval*, timezone*)                   arm,mips,mips64,x86
+int __gettimeofday:gettimeofday(timeval*, timezone*)    arm64,x86_64

libc/arch-arm/arm.mk

@@ -5,15 +5,14 @@ libc_common_src_files_arm := \
     bionic/legacy_32_bit_support.cpp \
     bionic/ndk_cruft.cpp \
     bionic/time64.c \
+    upstream-openbsd/lib/libc/stdio/putw.c \
 
 # These are shared by all the 32-bit targets, but not the 64-bit ones.
 libc_bionic_src_files_arm := \
     bionic/mmap.cpp
 
 libc_common_src_files_arm += \
-    bionic/index.cpp \
     bionic/memchr.c \
-    bionic/memmove.c.arm \
     bionic/memrchr.c \
     bionic/strchr.cpp \
     bionic/strnlen.c \
@@ -25,7 +24,10 @@ libc_common_src_files_arm += \
     upstream-freebsd/lib/libc/string/wcslen.c \
     upstream-freebsd/lib/libc/string/wcsrchr.c \
     upstream-freebsd/lib/libc/string/wmemcmp.c \
+    upstream-freebsd/lib/libc/string/wmemmove.c \
     upstream-openbsd/lib/libc/string/bcopy.c \
+    upstream-openbsd/lib/libc/string/stpcpy.c \
+    upstream-openbsd/lib/libc/string/stpncpy.c \
     upstream-openbsd/lib/libc/string/strlcat.c \
     upstream-openbsd/lib/libc/string/strlcpy.c \
     upstream-openbsd/lib/libc/string/strncat.c \
@@ -50,12 +52,8 @@ libc_bionic_src_files_arm += \
     arch-arm/bionic/abort_arm.S \
     arch-arm/bionic/atomics_arm.c \
     arch-arm/bionic/__bionic_clone.S \
-    arch-arm/bionic/eabi.c \
     arch-arm/bionic/_exit_with_stack_teardown.S \
-    arch-arm/bionic/futex_arm.S \
-    arch-arm/bionic/__get_sp.S \
     arch-arm/bionic/libgcc_compat.c \
-    arch-arm/bionic/memcmp16.S \
     arch-arm/bionic/memcmp.S \
     arch-arm/bionic/_setjmp.S \
     arch-arm/bionic/setjmp.S \
@@ -65,6 +63,9 @@ libc_bionic_src_files_arm += \
 libc_arch_static_src_files_arm := arch-arm/bionic/exidx_static.c
 libc_arch_dynamic_src_files_arm := arch-arm/bionic/exidx_dynamic.c
 
+libc_netbsd_src_files_arm := \
+    upstream-netbsd/common/lib/libc/hash/sha1/sha1.c \
+
 ## CPU variant specific source files
 ifeq ($(strip $(TARGET_$(my_2nd_arch_prefix)CPU_VARIANT)),)
   $(warning TARGET_$(my_2nd_arch_prefix)ARCH is arm, but TARGET_$(my_2nd_arch_prefix)CPU_VARIANT is not defined)

libc/arch-arm/bionic/__aeabi.c

@@ -25,10 +25,19 @@
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
+
+#if defined(__clang__)
+// clang interprets -fno-builtin more loosely than you might expect,
+// and thinks it's okay to still substitute builtins as long as they're
+// named __aeabi_* rather than __builtin_*, which causes infinite
+// recursion if we have the fortified memcpy visible in this file.
+#undef _FORTIFY_SOURCE
+#endif
+
 #include <stddef.h>
 #include <string.h>
 
-extern int  __cxa_atexit(void (*)(void*), void*, void* );
+extern int __cxa_atexit(void (*)(void*), void*, void*);
 
 /* The "C++ ABI for ARM" document states that static C++ constructors,
  * which are called from the .init_array, should manually call
@@ -38,11 +47,9 @@ extern int  __cxa_atexit(void (*)(void*), void*, void* );
  * variable from the shared object that contains the constructor/destructor
  */
 
-/* Make this a weak symbol to avoid a multiple definition error when linking
- * with libstdc++-v3.  */
+// Make this a weak symbol to avoid a multiple definition error when linking with libstdc++-v3.
 int __attribute__((weak))
-__aeabi_atexit (void *object, void (*destructor) (void *), void *dso_handle)
-{
+__aeabi_atexit(void *object, void (*destructor) (void *), void *dso_handle) {
     return __cxa_atexit(destructor, object, dso_handle);
 }
 
@@ -73,10 +80,10 @@ void __aeabi_memmove(void *dest, const void *src, size_t n) {
 }
 
 /*
- * __aeabi_memset has the order of its second and third arguments reversed. 
+ * __aeabi_memset has the order of its second and third arguments reversed.
  *  This allows __aeabi_memclr to tail-call __aeabi_memset
  */
- 
+
 void __aeabi_memset8(void *dest, size_t n, int c) {
     memset(dest, c, n);
 }

libc/arch-arm/bionic/__bionic_clone.S

@@ -54,20 +54,16 @@ ENTRY(__bionic_clone)
 
     # In the parent, reload saved registers then either return or set errno.
     ldmfd   sp!, {r4, r5, r6, r7}
-    .cfi_def_cfa_offset 0
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 
 1:  # The child.
-    # Re-add the unwind directives that were reset from above.
-    .cfi_def_cfa_offset 16
-    .cfi_rel_offset r4, 0
-    .cfi_rel_offset r5, 4
-    .cfi_rel_offset r6, 8
-    .cfi_rel_offset r7, 12
+    # Setting lr to 0 will make the unwinder stop at __start_thread
+    mov    lr, #0
     ldr    r0, [sp, #-4]
     ldr    r1, [sp, #-8]
-    b      __bionic_clone_entry
+    b      __start_thread
 END(__bionic_clone)
+.hidden __bionic_clone

libc/arch-arm/bionic/_exit_with_stack_teardown.S

@@ -29,7 +29,7 @@
 #include <private/bionic_asm.h>
 
 // void _exit_with_stack_teardown(void* stackBase, size_t stackSize)
-ENTRY(_exit_with_stack_teardown)
+ENTRY_PRIVATE(_exit_with_stack_teardown)
   ldr r7, =__NR_munmap
   swi #0
   // If munmap failed, we ignore the failure and exit anyway.

libc/arch-arm/bionic/futex_arm.S

@@ -1,69 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *  * Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *  * Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <private/bionic_asm.h>
-
-#define FUTEX_WAIT 0
-#define FUTEX_WAKE 1
-
-// int __futex_syscall3(volatile void* ftx, int op, int count)
-ENTRY(__futex_syscall3)
-    mov     ip, r7
-    ldr     r7, =__NR_futex
-    swi     #0
-    mov     r7, ip
-    bx      lr
-END(__futex_syscall3)
-
-// int __futex_syscall4(volatile void* ftx, int op, int val, const struct timespec* timeout)
-ENTRY(__futex_syscall4)
-    b __futex_syscall3
-END(__futex_syscall4)
-
-// int __futex_wait(volatile void* ftx, int val, const struct timespec* timeout)
-ENTRY(__futex_wait)
-    mov     ip, r7
-    mov     r3, r2
-    mov     r2, r1
-    mov     r1, #FUTEX_WAIT
-    ldr     r7, =__NR_futex
-    swi     #0
-    mov     r7, ip
-    bx      lr
-END(__futex_wait)
-
-// int __futex_wake(volatile void* ftx, int count)
-ENTRY(__futex_wake)
-    mov     ip, r7
-    mov     r2, r1
-    mov     r1, #FUTEX_WAKE
-    ldr     r7, =__NR_futex
-    swi     #0
-    mov     r7, ip
-    bx      lr
-END(__futex_wake)

libc/arch-arm/bionic/memcmp16.S

@@ -1,234 +0,0 @@
-/*
- * Copyright (C) 2008 The Android Open Source Project
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *  * Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *  * Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <machine/cpu-features.h>
-#include <private/bionic_asm.h>
-
-/*
- * Optimized memcmp16() for ARM9.
- * This would not be optimal on XScale or ARM11, where more prefetching
- * and use of pld will be needed.
- * The 2 major optimzations here are
- * (1) The main loop compares 16 bytes at a time
- * (2) The loads are scheduled in a way they won't stall
- */
-
-ENTRY(__memcmp16)
-        pld         [r0, #0]
-        pld         [r1, #0]
-
-        /* take of the case where length is nul or the buffers are the same */
-        cmp         r0, r1
-        cmpne       r2, #0
-        moveq       r0, #0
-        bxeq        lr
-
-        /* since r0 hold the result, move the first source
-         * pointer somewhere else
-         */
-
-        mov         r3, r0
-
-         /* make sure we have at least 12 words, this simplify things below
-          * and avoid some overhead for small blocks
-          */
-
-        cmp         r2, #12
-        bpl         0f
-
-        /* small blocks (less then 12 words) */
-        pld         [r0, #32]
-        pld         [r1, #32]
-
-1:      ldrh        r0, [r3], #2
-        ldrh        ip, [r1], #2
-        subs        r0, r0, ip
-        bxne        lr
-        subs        r2, r2, #1
-        bne         1b
-        bx          lr
-
-
-        /* save registers */
-0:      stmfd       sp!, {r4, lr}
-        .cfi_def_cfa_offset 8
-        .cfi_rel_offset r4, 0
-        .cfi_rel_offset lr, 4
-
-        /* align first pointer to word boundary */
-        tst         r3, #2
-        beq         0f
-
-        ldrh        r0, [r3], #2
-        ldrh        ip, [r1], #2
-        sub         r2, r2, #1
-        subs        r0, r0, ip
-        /* restore registers and return */
-        ldmnefd     sp!, {r4, lr}
-        bxne        lr
-
-
-0:      /* here the first pointer is aligned, and we have at least 3 words
-         * to process.
-         */
-
-        /* see if the pointers are congruent */
-        eor         r0, r3, r1
-        ands        r0, r0, #2
-        bne         5f
-
-        /* congruent case, 16 half-words per iteration
-         * We need to make sure there are at least 16+2 words left
-         * because we effectively read ahead one long word, and we could
-         * read past the buffer (and segfault) if we're not careful.
-         */
-
-        ldr         ip, [r1]
-        subs        r2, r2, #(16 + 2)
-        bmi         1f
-
-0:
-        pld         [r3, #64]
-        pld         [r1, #64]
-        ldr         r0, [r3], #4
-        ldr         lr, [r1, #4]!
-        eors        r0, r0, ip
-        ldreq       r0, [r3], #4
-        ldreq       ip, [r1, #4]!
-        eoreqs      r0, r0, lr
-        ldreq       r0, [r3], #4
-        ldreq       lr, [r1, #4]!
-        eoreqs      r0, r0, ip
-        ldreq       r0, [r3], #4
-        ldreq       ip, [r1, #4]!
-        eoreqs      r0, r0, lr
-        ldreq       r0, [r3], #4
-        ldreq       lr, [r1, #4]!
-        eoreqs      r0, r0, ip
-        ldreq       r0, [r3], #4
-        ldreq       ip, [r1, #4]!
-        eoreqs      r0, r0, lr
-        ldreq       r0, [r3], #4
-        ldreq       lr, [r1, #4]!
-        eoreqs      r0, r0, ip
-        ldreq       r0, [r3], #4
-        ldreq       ip, [r1, #4]!
-        eoreqs      r0, r0, lr
-        bne         2f
-        subs        r2, r2, #16
-        bhs         0b
-
-        /* do we have at least 2 words left? */
-1:      adds        r2, r2, #(16 - 2 + 2)
-        bmi         4f
-
-        /* finish off 2 words at a time */
-3:      ldr         r0, [r3], #4
-        ldr         ip, [r1], #4
-        eors        r0, r0, ip
-        bne         2f
-        subs        r2, r2, #2
-        bhs         3b
-
-        /* are we done? */
-4:      adds        r2, r2, #2
-        bne         8f
-        /* restore registers and return */
-        mov         r0, #0
-        ldmfd       sp!, {r4, lr}
-        bx          lr
-
-2:      /* the last 2 words are different, restart them */
-        ldrh        r0, [r3, #-4]
-        ldrh        ip, [r1, #-4]
-        subs        r0, r0, ip
-        ldreqh      r0, [r3, #-2]
-        ldreqh      ip, [r1, #-2]
-        subeqs      r0, r0, ip
-        /* restore registers and return */
-        ldmfd       sp!, {r4, lr}
-        bx          lr
-
-        /* process the last few words */
-8:      ldrh        r0, [r3], #2
-        ldrh        ip, [r1], #2
-        subs        r0, r0, ip
-        bne         9f
-        subs        r2, r2, #1
-        bne         8b
-
-9:      /* restore registers and return */
-        ldmfd       sp!, {r4, lr}
-        bx          lr
-
-
-5:      /*************** non-congruent case ***************/
-
-        /* align the unaligned pointer */
-        bic         r1, r1, #3
-        ldr         lr, [r1], #4
-        sub         r2, r2, #8
-
-6:
-        pld         [r3, #64]
-        pld         [r1, #64]
-        mov         ip, lr, lsr #16
-        ldr         lr, [r1], #4
-        ldr         r0, [r3], #4
-        orr         ip, ip, lr, lsl #16
-        eors        r0, r0, ip
-        moveq       ip, lr, lsr #16
-        ldreq       lr, [r1], #4
-        ldreq       r0, [r3], #4
-        orreq       ip, ip, lr, lsl #16
-        eoreqs      r0, r0, ip
-        moveq       ip, lr, lsr #16
-        ldreq       lr, [r1], #4
-        ldreq       r0, [r3], #4
-        orreq       ip, ip, lr, lsl #16
-        eoreqs      r0, r0, ip
-        moveq       ip, lr, lsr #16
-        ldreq       lr, [r1], #4
-        ldreq       r0, [r3], #4
-        orreq       ip, ip, lr, lsl #16
-        eoreqs      r0, r0, ip
-        bne         7f
-        subs        r2, r2, #8
-        bhs         6b
-        sub         r1, r1, #2
-        /* are we done? */
-        adds        r2, r2, #8
-        moveq       r0, #0
-        beq         9b
-        /* finish off the remaining bytes */
-        b           8b
-
-7:      /* fix up the 2 pointers and fallthrough... */
-        sub         r1, r1, #2
-        b           2b
-END(__memcmp16)

libc/arch-arm/bionic/syscall.S

@@ -47,5 +47,5 @@ ENTRY(syscall)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(syscall)

libc/arch-arm/cortex-a15/cortex-a15.mk

@@ -7,3 +7,4 @@ libc_bionic_src_files_arm += \
     arch-arm/cortex-a15/bionic/strlen.S \
     arch-arm/cortex-a15/bionic/__strcat_chk.S \
     arch-arm/cortex-a15/bionic/__strcpy_chk.S \
+    bionic/memmove.c \

libc/arch-arm/cortex-a9/cortex-a9.mk

@@ -7,3 +7,4 @@ libc_bionic_src_files_arm += \
     arch-arm/cortex-a9/bionic/strlen.S \
     arch-arm/cortex-a9/bionic/__strcat_chk.S \
     arch-arm/cortex-a9/bionic/__strcpy_chk.S \
+    bionic/memmove.c \

libc/arch-arm/denver/bionic/memmove.S

@@ -0,0 +1,281 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ * All rights reserved.
+ * Copyright (c) 2013-2014 NVIDIA Corporation.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <private/bionic_asm.h>
+#include <private/libc_events.h>
+
+        .text
+        .syntax unified
+        .fpu    neon
+
+#define CACHE_LINE_SIZE         (64)
+#define MEMCPY_BLOCK_SIZE_SMALL (32768)
+#define MEMCPY_BLOCK_SIZE_MID   (1048576)
+#define PREFETCH_DISTANCE_NEAR  (CACHE_LINE_SIZE*4)
+#define PREFETCH_DISTANCE_MID   (CACHE_LINE_SIZE*4)
+#define PREFETCH_DISTANCE_FAR   (CACHE_LINE_SIZE*16)
+
+ENTRY(memmove)
+        cmp         r2, #0
+        cmpne       r0, r1
+        bxeq        lr
+        subs        r3, r0, r1
+        bls         .L_jump_to_memcpy
+        cmp         r2, r3
+        bhi         .L_reversed_memcpy
+
+.L_jump_to_memcpy:
+        b           memcpy
+
+.L_reversed_memcpy:
+        push        {r0, lr}
+        .cfi_def_cfa_offset 8
+        .cfi_rel_offset r0, 0
+        .cfi_rel_offset lr, 4
+
+        add         r0, r0, r2
+        add         r1, r1, r2
+
+        /* preload next cache line */
+        pld         [r1, #-CACHE_LINE_SIZE]
+        pld         [r1, #-CACHE_LINE_SIZE*2]
+
+.L_reversed_memcpy_align_dest:
+        /* Deal with very small blocks (< 32bytes) asap */
+        cmp         r2, #32
+        blo         .L_reversed_memcpy_lt_32bytes
+        /* no need to align if len < 128 bytes */
+        cmp         r2, #128
+        blo         .L_reversed_memcpy_lt_128bytes
+        /* align destination to 64 bytes (1 cache line) */
+        ands        r3, r0, #0x3f
+        beq         .L_reversed_memcpy_dispatch
+        sub         r2, r2, r3
+0:      /* copy 1 byte */
+        movs        ip, r3, lsl #31
+        ldrbmi      ip, [r1, #-1]!
+        strbmi      ip, [r0, #-1]!
+1:      /* copy 2 bytes */
+        ldrbcs      ip, [r1, #-1]!
+        strbcs      ip, [r0, #-1]!
+        ldrbcs      ip, [r1, #-1]!
+        strbcs      ip, [r0, #-1]!
+2:      /* copy 4 bytes */
+        movs        ip, r3, lsl #29
+        bpl         3f
+        sub         r1, r1, #4
+        sub         r0, r0, #4
+        vld4.8      {d0[0], d1[0], d2[0], d3[0]}, [r1]
+        vst4.8      {d0[0], d1[0], d2[0], d3[0]}, [r0, :32]
+3:      /* copy 8 bytes */
+        bcc         4f
+        sub         r1, r1, #8
+        sub         r0, r0, #8
+        vld1.8      {d0}, [r1]
+        vst1.8      {d0}, [r0, :64]
+4:      /* copy 16 bytes */
+        movs        ip, r3, lsl #27
+        bpl         5f
+        sub         r1, r1, #16
+        sub         r0, r0, #16
+        vld1.8      {q0}, [r1]
+        vst1.8      {q0}, [r0, :128]
+5:      /* copy 32 bytes */
+        bcc         .L_reversed_memcpy_dispatch
+        sub         r1, r1, #32
+        sub         r0, r0, #32
+        vld1.8      {q0, q1}, [r1]
+        vst1.8      {q0, q1}, [r0, :256]
+
+.L_reversed_memcpy_dispatch:
+        /* preload more cache lines */
+        pld         [r1, #-CACHE_LINE_SIZE*3]
+        pld         [r1, #-CACHE_LINE_SIZE*4]
+
+        cmp         r2, #MEMCPY_BLOCK_SIZE_SMALL
+        blo         .L_reversed_memcpy_neon_pld_near
+        cmp         r2, #MEMCPY_BLOCK_SIZE_MID
+        blo         .L_reversed_memcpy_neon_pld_mid
+        b           .L_reversed_memcpy_neon_pld_far
+
+.L_reversed_memcpy_neon_pld_near:
+        /* less than 128 bytes? */
+        subs        r2, r2, #128
+        blo         1f
+        sub         r1, r1, #32
+        sub         r0, r0, #32
+        mov         r3, #-32
+        .align      4
+0:
+        /* copy 128 bytes in each loop */
+        subs        r2, r2, #128
+
+        /* preload to cache */
+        pld         [r1, #-(PREFETCH_DISTANCE_NEAR+CACHE_LINE_SIZE*2)+32]
+        /* copy a cache line */
+        vld1.8      {q0, q1}, [r1], r3
+        vst1.8      {q0, q1}, [r0, :256], r3
+        vld1.8      {q0, q1}, [r1], r3
+        vst1.8      {q0, q1}, [r0, :256], r3
+
+        /* preload to cache */
+        pld         [r1, #-(PREFETCH_DISTANCE_NEAR+CACHE_LINE_SIZE*2)+32]
+        /* copy a cache line */
+        vld1.8      {q0, q1}, [r1], r3
+        vst1.8      {q0, q1}, [r0, :256], r3
+        vld1.8      {q0, q1}, [r1], r3
+        vst1.8      {q0, q1}, [r0, :256], r3
+
+        bhs         0b
+        add         r1, r1, #32
+        add         r0, r0, #32
+1:
+        adds        r2, r2, #128
+        bne         .L_reversed_memcpy_lt_128bytes
+        pop         {r0, pc}
+
+.L_reversed_memcpy_neon_pld_mid:
+        subs        r2, r2, #128
+        sub         r1, r1, #32
+        sub         r0, r0, #32
+        mov         r3, #-32
+        .align      4
+0:
+        /* copy 128 bytes in each loop */
+        subs        r2, r2, #128
+
+        /* preload to cache */
+        pld         [r1, #-(PREFETCH_DISTANCE_MID+CACHE_LINE_SIZE)+32]
+        /* copy a cache line */
+        vld1.8      {q0, q1}, [r1], r3
+        vst1.8      {q0, q1}, [r0, :256], r3
+        vld1.8      {q0, q1}, [r1], r3
+        vst1.8      {q0, q1}, [r0, :256], r3
+
+        /* preload to cache */
+        pld         [r1, #-(PREFETCH_DISTANCE_MID+CACHE_LINE_SIZE)+32]
+        /* copy a cache line */
+        vld1.8      {q0, q1}, [r1], r3
+        vst1.8      {q0, q1}, [r0, :256], r3
+        vld1.8      {q0, q1}, [r1], r3
+        vst1.8      {q0, q1}, [r0, :256], r3
+
+        bhs         0b
+        add         r1, r1, #32
+        add         r0, r0, #32
+1:
+        adds        r2, r2, #128
+        bne         .L_reversed_memcpy_lt_128bytes
+        pop         {r0, pc}
+
+.L_reversed_memcpy_neon_pld_far:
+        sub         r2, r2, #128
+        sub         r0, r0, #128
+        sub         r1, r1, #128
+        .align      4
+0:
+        /* copy 128 bytes in each loop */
+        subs        r2, r2, #128
+
+        /* preload to cache */
+        pld         [r1, #-(PREFETCH_DISTANCE_FAR+CACHE_LINE_SIZE*2)+128]
+        pld         [r1, #-(PREFETCH_DISTANCE_FAR+CACHE_LINE_SIZE)+128]
+        /* read */
+        vld1.8      {q0, q1}, [r1]!
+        vld1.8      {q2, q3}, [r1]!
+        vld1.8      {q8, q9}, [r1]!
+        vld1.8      {q10, q11}, [r1]!
+        /* write */
+        vst1.8      {q0, q1}, [r0, :256]!
+        vst1.8      {q2, q3}, [r0, :256]!
+        vst1.8      {q8, q9}, [r0, :256]!
+        vst1.8      {q10, q11}, [r0, :256]!
+
+        sub         r0, r0, #256
+        sub         r1, r1, #256
+        bhs         0b
+        add         r0, r0, #128
+        add         r1, r1, #128
+1:
+        adds        r2, r2, #128
+        bne         .L_reversed_memcpy_lt_128bytes
+        pop         {r0, pc}
+
+.L_reversed_memcpy_lt_128bytes:
+6:      /* copy 64 bytes */
+        movs        ip, r2, lsl #26
+        bcc         5f
+        sub         r1, r1, #32
+        sub         r0, r0, #32
+        vld1.8      {q0, q1}, [r1]
+        vst1.8      {q0, q1}, [r0]
+        sub         r1, r1, #32
+        sub         r0, r0, #32
+        vld1.8      {q0, q1}, [r1]
+        vst1.8      {q0, q1}, [r0]
+5:      /* copy 32 bytes */
+        bpl         4f
+        sub         r1, r1, #32
+        sub         r0, r0, #32
+        vld1.8      {q0, q1}, [r1]
+        vst1.8      {q0, q1}, [r0]
+.L_reversed_memcpy_lt_32bytes:
+4:      /* copy 16 bytes */
+        movs        ip, r2, lsl #28
+        bcc         3f
+        sub         r1, r1, #16
+        sub         r0, r0, #16
+        vld1.8      {q0}, [r1]
+        vst1.8      {q0}, [r0]
+3:      /* copy 8 bytes */
+        bpl         2f
+        sub         r1, r1, #8
+        sub         r0, r0, #8
+        vld1.8      {d0}, [r1]
+        vst1.8      {d0}, [r0]
+2:      /* copy 4 bytes */
+        ands        ip, r2, #0x4
+        beq         1f
+        sub         r1, r1, #4
+        sub         r0, r0, #4
+        vld4.8      {d0[0], d1[0], d2[0], d3[0]}, [r1]
+        vst4.8      {d0[0], d1[0], d2[0], d3[0]}, [r0]
+1:      /* copy 2 bytes */
+        movs        ip, r2, lsl #31
+        ldrbcs      ip, [r1, #-1]!
+        strbcs      ip, [r0, #-1]!
+        ldrbcs      ip, [r1, #-1]!
+        strbcs      ip, [r0, #-1]!
+0:      /* copy 1 byte */
+        ldrbmi      ip, [r1, #-1]!
+        strbmi      ip, [r0, #-1]!
+
+        pop         {r0, pc}
+
+END(memmove)

libc/arch-arm/denver/denver.mk

@@ -1,12 +1,13 @@
 libc_bionic_src_files_arm += \
     arch-arm/denver/bionic/memcpy.S \
+    arch-arm/denver/bionic/memmove.S \
     arch-arm/denver/bionic/memset.S \
     arch-arm/denver/bionic/__strcat_chk.S \
-    arch-arm/denver/bionic/__strcpy_chk.S
+    arch-arm/denver/bionic/__strcpy_chk.S \
 
 # Use cortex-a15 versions of strcat/strcpy/strlen.
 libc_bionic_src_files_arm += \
     arch-arm/cortex-a15/bionic/strcat.S \
     arch-arm/cortex-a15/bionic/strcpy.S \
     arch-arm/cortex-a15/bionic/strlen.S \
-    arch-arm/cortex-a15/bionic/strcmp.S
+    arch-arm/cortex-a15/bionic/strcmp.S \

libc/arch-arm/generic/generic.mk

@@ -4,6 +4,7 @@ libc_bionic_src_files_arm += \
     arch-arm/generic/bionic/strcmp.S \
     arch-arm/generic/bionic/strcpy.S \
     arch-arm/generic/bionic/strlen.c \
+    bionic/memmove.c \
     bionic/__strcat_chk.cpp \
     bionic/__strcpy_chk.cpp \
     upstream-openbsd/lib/libc/string/strcat.c \

libc/arch-arm/krait/krait.mk

@@ -5,8 +5,9 @@ libc_bionic_src_files_arm += \
     arch-arm/krait/bionic/__strcat_chk.S \
     arch-arm/krait/bionic/__strcpy_chk.S \
 
-# Use cortex-a15 versions of strcat/strcpy/strlen.
+# Use cortex-a15 versions of strcat/strcpy/strlen and standard memmove
 libc_bionic_src_files_arm += \
     arch-arm/cortex-a15/bionic/strcat.S \
     arch-arm/cortex-a15/bionic/strcpy.S \
     arch-arm/cortex-a15/bionic/strlen.S \
+    bionic/memmove.c \

libc/arch-arm/syscalls/__accept4.S

@@ -2,7 +2,7 @@
 
 #include <private/bionic_asm.h>
 
-ENTRY(accept4)
+ENTRY(__accept4)
     mov     ip, r7
     ldr     r7, =__NR_accept4
     swi     #0
@@ -10,5 +10,5 @@ ENTRY(accept4)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
-END(accept4)
+    b       __set_errno_internal
+END(__accept4)

libc/arch-arm/syscalls/__arm_fadvise64_64.S

@@ -2,7 +2,7 @@
 
 #include <private/bionic_asm.h>
 
-ENTRY(perf_event_open)
+ENTRY(__arm_fadvise64_64)
     mov     ip, sp
     stmfd   sp!, {r4, r5, r6, r7}
     .cfi_def_cfa_offset 16
@@ -11,12 +11,12 @@ ENTRY(perf_event_open)
     .cfi_rel_offset r6, 8
     .cfi_rel_offset r7, 12
     ldmfd   ip, {r4, r5, r6}
-    ldr     r7, =__NR_perf_event_open
+    ldr     r7, =__NR_arm_fadvise64_64
     swi     #0
     ldmfd   sp!, {r4, r5, r6, r7}
     .cfi_def_cfa_offset 0
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
-END(perf_event_open)
+    b       __set_errno_internal
+END(__arm_fadvise64_64)

libc/arch-arm/syscalls/__brk.S

@@ -10,5 +10,5 @@ ENTRY(__brk)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__brk)

libc/arch-arm/syscalls/__connect.S

@@ -2,7 +2,7 @@
 
 #include <private/bionic_asm.h>
 
-ENTRY(connect)
+ENTRY(__connect)
     mov     ip, r7
     ldr     r7, =__NR_connect
     swi     #0
@@ -10,5 +10,5 @@ ENTRY(connect)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
-END(connect)
+    b       __set_errno_internal
+END(__connect)

libc/arch-arm/syscalls/__epoll_pwait.S

@@ -18,5 +18,5 @@ ENTRY(__epoll_pwait)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__epoll_pwait)

libc/arch-arm/syscalls/__exit.S

@@ -10,5 +10,5 @@ ENTRY(__exit)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__exit)

libc/arch-arm/syscalls/__fcntl64.S

@@ -10,5 +10,5 @@ ENTRY(__fcntl64)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__fcntl64)

libc/arch-arm/syscalls/__fstatfs64.S

@@ -10,5 +10,5 @@ ENTRY(__fstatfs64)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__fstatfs64)

libc/arch-arm/syscalls/__getcpu.S

@@ -10,5 +10,5 @@ ENTRY(__getcpu)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__getcpu)

libc/arch-arm/syscalls/__getcwd.S

@@ -10,5 +10,5 @@ ENTRY(__getcwd)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__getcwd)

libc/arch-arm/syscalls/__getdents64.S

@@ -2,7 +2,7 @@
 
 #include <private/bionic_asm.h>
 
-ENTRY(getdents)
+ENTRY(__getdents64)
     mov     ip, r7
     ldr     r7, =__NR_getdents64
     swi     #0
@@ -10,5 +10,5 @@ ENTRY(getdents)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
-END(getdents)
+    b       __set_errno_internal
+END(__getdents64)

libc/arch-arm/syscalls/__getpid.S

@@ -2,7 +2,7 @@
 
 #include <private/bionic_asm.h>
 
-ENTRY(getpid)
+ENTRY(__getpid)
     mov     ip, r7
     ldr     r7, =__NR_getpid
     swi     #0
@@ -10,5 +10,5 @@ ENTRY(getpid)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
-END(getpid)
+    b       __set_errno_internal
+END(__getpid)

libc/arch-arm/syscalls/__getpriority.S

@@ -10,5 +10,5 @@ ENTRY(__getpriority)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__getpriority)

libc/arch-arm/syscalls/__ioctl.S

@@ -10,5 +10,5 @@ ENTRY(__ioctl)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__ioctl)

libc/arch-arm/syscalls/__llseek.S

@@ -18,5 +18,5 @@ ENTRY(__llseek)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__llseek)

libc/arch-arm/syscalls/__mmap2.S

@@ -18,5 +18,5 @@ ENTRY(__mmap2)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__mmap2)

libc/arch-arm/syscalls/__openat.S

@@ -10,5 +10,5 @@ ENTRY(__openat)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__openat)

libc/arch-arm/syscalls/__ppoll.S

@@ -18,5 +18,5 @@ ENTRY(__ppoll)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__ppoll)

libc/arch-arm/syscalls/__pselect6.S

@@ -18,5 +18,5 @@ ENTRY(__pselect6)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__pselect6)

libc/arch-arm/syscalls/__ptrace.S

@@ -10,5 +10,5 @@ ENTRY(__ptrace)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__ptrace)

libc/arch-arm/syscalls/__reboot.S

@@ -10,5 +10,5 @@ ENTRY(__reboot)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__reboot)

libc/arch-arm/syscalls/__rt_sigaction.S

@@ -10,5 +10,5 @@ ENTRY(__rt_sigaction)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__rt_sigaction)

libc/arch-arm/syscalls/__rt_sigpending.S

@@ -10,5 +10,5 @@ ENTRY(__rt_sigpending)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__rt_sigpending)

libc/arch-arm/syscalls/__rt_sigprocmask.S

@@ -10,5 +10,5 @@ ENTRY(__rt_sigprocmask)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__rt_sigprocmask)

libc/arch-arm/syscalls/__rt_sigsuspend.S

@@ -10,5 +10,5 @@ ENTRY(__rt_sigsuspend)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__rt_sigsuspend)

libc/arch-arm/syscalls/__rt_sigtimedwait.S

@@ -10,5 +10,5 @@ ENTRY(__rt_sigtimedwait)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__rt_sigtimedwait)

libc/arch-arm/syscalls/__sched_getaffinity.S

@@ -10,5 +10,5 @@ ENTRY(__sched_getaffinity)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__sched_getaffinity)

libc/arch-arm/syscalls/__set_tid_address.S

@@ -10,5 +10,5 @@ ENTRY(__set_tid_address)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__set_tid_address)

libc/arch-arm/syscalls/__set_tls.S

@@ -10,5 +10,5 @@ ENTRY(__set_tls)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__set_tls)

libc/arch-arm/syscalls/__sigaction.S

@@ -10,5 +10,5 @@ ENTRY(__sigaction)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__sigaction)

libc/arch-arm/syscalls/__signalfd4.S

@@ -2,7 +2,7 @@
 
 #include <private/bionic_asm.h>
 
-ENTRY(signalfd4)
+ENTRY(__signalfd4)
     mov     ip, r7
     ldr     r7, =__NR_signalfd4
     swi     #0
@@ -10,5 +10,5 @@ ENTRY(signalfd4)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
-END(signalfd4)
+    b       __set_errno_internal
+END(__signalfd4)

libc/arch-arm/syscalls/__socket.S

@@ -2,7 +2,7 @@
 
 #include <private/bionic_asm.h>
 
-ENTRY(socket)
+ENTRY(__socket)
     mov     ip, r7
     ldr     r7, =__NR_socket
     swi     #0
@@ -10,5 +10,5 @@ ENTRY(socket)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
-END(socket)
+    b       __set_errno_internal
+END(__socket)

libc/arch-arm/syscalls/__statfs64.S

@@ -10,5 +10,5 @@ ENTRY(__statfs64)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__statfs64)

libc/arch-arm/syscalls/__timer_create.S

@@ -10,5 +10,5 @@ ENTRY(__timer_create)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__timer_create)

libc/arch-arm/syscalls/__timer_delete.S

@@ -10,5 +10,5 @@ ENTRY(__timer_delete)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__timer_delete)

libc/arch-arm/syscalls/__timer_getoverrun.S

@@ -10,5 +10,5 @@ ENTRY(__timer_getoverrun)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__timer_getoverrun)

libc/arch-arm/syscalls/__timer_gettime.S

@@ -10,5 +10,5 @@ ENTRY(__timer_gettime)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__timer_gettime)

libc/arch-arm/syscalls/__timer_settime.S

@@ -10,5 +10,5 @@ ENTRY(__timer_settime)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__timer_settime)

libc/arch-arm/syscalls/__waitid.S

@@ -18,5 +18,5 @@ ENTRY(__waitid)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(__waitid)

libc/arch-arm/syscalls/_exit.S

@@ -10,7 +10,7 @@ ENTRY(_exit)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(_exit)
 
     .globl _Exit

libc/arch-arm/syscalls/acct.S

@@ -10,5 +10,5 @@ ENTRY(acct)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(acct)

libc/arch-arm/syscalls/bind.S

@@ -10,5 +10,5 @@ ENTRY(bind)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(bind)

libc/arch-arm/syscalls/cacheflush.S

@@ -10,5 +10,5 @@ ENTRY(cacheflush)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(cacheflush)

libc/arch-arm/syscalls/capget.S

@@ -10,5 +10,5 @@ ENTRY(capget)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(capget)

libc/arch-arm/syscalls/capset.S

@@ -10,5 +10,5 @@ ENTRY(capset)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(capset)

libc/arch-arm/syscalls/chdir.S

@@ -10,5 +10,5 @@ ENTRY(chdir)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(chdir)

libc/arch-arm/syscalls/chroot.S

@@ -10,5 +10,5 @@ ENTRY(chroot)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(chroot)

libc/arch-arm/syscalls/clock_getres.S

@@ -10,5 +10,5 @@ ENTRY(clock_getres)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(clock_getres)

libc/arch-arm/syscalls/clock_gettime.S

@@ -10,5 +10,5 @@ ENTRY(clock_gettime)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(clock_gettime)

libc/arch-arm/syscalls/clock_nanosleep.S

@@ -10,5 +10,5 @@ ENTRY(clock_nanosleep)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(clock_nanosleep)

libc/arch-arm/syscalls/clock_settime.S

@@ -10,5 +10,5 @@ ENTRY(clock_settime)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(clock_settime)

libc/arch-arm/syscalls/close.S

@@ -10,5 +10,5 @@ ENTRY(close)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(close)

libc/arch-arm/syscalls/delete_module.S

@@ -10,5 +10,5 @@ ENTRY(delete_module)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(delete_module)

libc/arch-arm/syscalls/dup.S

@@ -10,5 +10,5 @@ ENTRY(dup)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(dup)

libc/arch-arm/syscalls/dup3.S

@@ -10,5 +10,5 @@ ENTRY(dup3)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(dup3)

libc/arch-arm/syscalls/epoll_create1.S

@@ -10,5 +10,5 @@ ENTRY(epoll_create1)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(epoll_create1)

libc/arch-arm/syscalls/epoll_ctl.S

@@ -10,5 +10,5 @@ ENTRY(epoll_ctl)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(epoll_ctl)

libc/arch-arm/syscalls/eventfd.S

@@ -10,5 +10,5 @@ ENTRY(eventfd)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(eventfd)

libc/arch-arm/syscalls/execve.S

@@ -10,5 +10,5 @@ ENTRY(execve)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(execve)

libc/arch-arm/syscalls/faccessat.S

@@ -10,5 +10,5 @@ ENTRY(faccessat)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(faccessat)

libc/arch-arm/syscalls/fallocate64.S

@@ -18,5 +18,5 @@ ENTRY(fallocate64)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(fallocate64)

libc/arch-arm/syscalls/fchdir.S

@@ -10,5 +10,5 @@ ENTRY(fchdir)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(fchdir)

libc/arch-arm/syscalls/fchmod.S

@@ -10,5 +10,5 @@ ENTRY(fchmod)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(fchmod)

libc/arch-arm/syscalls/fchmodat.S

@@ -10,5 +10,5 @@ ENTRY(fchmodat)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(fchmodat)

libc/arch-arm/syscalls/fchown.S

@@ -10,5 +10,5 @@ ENTRY(fchown)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(fchown)

libc/arch-arm/syscalls/fchownat.S

@@ -18,5 +18,5 @@ ENTRY(fchownat)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(fchownat)

libc/arch-arm/syscalls/fdatasync.S

@@ -10,5 +10,5 @@ ENTRY(fdatasync)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(fdatasync)

libc/arch-arm/syscalls/fgetxattr.S

@@ -10,5 +10,5 @@ ENTRY(fgetxattr)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(fgetxattr)

libc/arch-arm/syscalls/flistxattr.S

@@ -10,5 +10,5 @@ ENTRY(flistxattr)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(flistxattr)

libc/arch-arm/syscalls/flock.S

@@ -10,5 +10,5 @@ ENTRY(flock)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(flock)

libc/arch-arm/syscalls/fremovexattr.S

@@ -10,5 +10,5 @@ ENTRY(fremovexattr)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(fremovexattr)

libc/arch-arm/syscalls/fsetxattr.S

@@ -18,5 +18,5 @@ ENTRY(fsetxattr)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(fsetxattr)

libc/arch-arm/syscalls/fstat64.S

@@ -10,7 +10,7 @@ ENTRY(fstat64)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(fstat64)
 
     .globl fstat

libc/arch-arm/syscalls/fstatat64.S

@@ -10,7 +10,7 @@ ENTRY(fstatat64)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(fstatat64)
 
     .globl fstatat

libc/arch-arm/syscalls/fsync.S

@@ -10,5 +10,5 @@ ENTRY(fsync)
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
-    b       __set_errno
+    b       __set_errno_internal
 END(fsync)