merge in mnc-release history after reset to mnc-dev

Bug: http://b/22047255
Bug: http://b/22091640
Change-Id: I6c51cff43287a6ac4b25fa9ce6a6fc3d232fd047

libc/Android.mk

@@ -309,7 +309,6 @@ libc_upstream_netbsd_src_files := \
     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/reallocarr.c \
     upstream-netbsd/lib/libc/stdlib/seed48.c \
     upstream-netbsd/lib/libc/stdlib/srand48.c \
     upstream-netbsd/lib/libc/string/memccpy.c \

libc/bionic/pthread_internal.h

@@ -130,13 +130,8 @@ __LIBC_HIDDEN__ void pthread_key_clean_all(void);
  */
 #define PTHREAD_STACK_SIZE_DEFAULT ((1 * 1024 * 1024) - SIGSTKSZ)
 
-// Leave room for a guard page in the internally created signal stacks.
+/* Leave room for a guard page in the internally created signal stacks. */
-#if defined(__LP64__)
-// SIGSTKSZ is not big enough for 64-bit arch. See http://b/23041777.
-#define SIGNAL_STACK_SIZE (16 * 1024 + PAGE_SIZE)
-#else
 #define SIGNAL_STACK_SIZE (SIGSTKSZ + PAGE_SIZE)
-#endif
 
 /* Needed by fork. */
 __LIBC_HIDDEN__ extern void __bionic_atfork_run_prepare();

libc/upstream-netbsd/android/include/netbsd-compat.h

@@ -31,7 +31,4 @@
 #define __readlockenv() 0
 #define __unlockenv() 0
 
-#include <stddef.h>
-__LIBC_HIDDEN__ int reallocarr(void*, size_t, size_t);
-
 #endif

libc/upstream-netbsd/lib/libc/regex/regcomp.c

@@ -1,4 +1,4 @@
-/*	$NetBSD: regcomp.c,v 1.36 2015/09/12 19:08:47 christos Exp $	*/
+/*	$NetBSD: regcomp.c,v 1.33 2012/03/13 21:13:43 christos Exp $	*/
 
 /*-
  * Copyright (c) 1992, 1993, 1994
@@ -76,7 +76,7 @@
 #if 0
 static char sccsid[] = "@(#)regcomp.c	8.5 (Berkeley) 3/20/94";
 #else
-__RCSID("$NetBSD: regcomp.c,v 1.36 2015/09/12 19:08:47 christos Exp $");
+__RCSID("$NetBSD: regcomp.c,v 1.33 2012/03/13 21:13:43 christos Exp $");
 #endif
 #endif /* LIBC_SCCS and not lint */
 
@@ -262,11 +262,12 @@ regcomp(
 		len = strlen(pattern);
 
 	/* do the mallocs early so failure handling is easy */
-	g = malloc(sizeof(struct re_guts) + (NC - 1) * sizeof(cat_t));
+	g = (struct re_guts *)malloc(sizeof(struct re_guts) +
+							(NC-1)*sizeof(cat_t));
 	if (g == NULL)
 		return(REG_ESPACE);
 	p->ssize = len/(size_t)2*(size_t)3 + (size_t)1;	/* ugh */
-	p->strip = calloc(p->ssize, sizeof(sop));
+	p->strip = malloc(p->ssize * sizeof(sop));
 	p->slen = 0;
 	if (p->strip == NULL) {
 		free(g);
@@ -1074,19 +1075,19 @@ ordinary(
     int ch)
 {
 	cat_t *cap;
-	unsigned char uc = (unsigned char)ch;
 
 	_DIAGASSERT(p != NULL);
 
 	cap = p->g->categories;
-	if ((p->g->cflags & REG_ICASE) && isalpha(uc) && othercase(uc) != uc)
+	if ((p->g->cflags&REG_ICASE) && isalpha((unsigned char) ch)
-		bothcases(p, uc);
+	    && othercase((unsigned char) ch) != (unsigned char) ch)
+		bothcases(p, (unsigned char) ch);
 	else {
-		EMIT(OCHAR, (sopno)uc);
+		EMIT(OCHAR, (sopno)(unsigned char)ch);
-		if (cap[uc] == 0) {
+		if (cap[ch] == 0) {
 			_DIAGASSERT(__type_fit(unsigned char,
 			    p->g->ncategories + 1));
-			cap[uc] = (unsigned char)p->g->ncategories++;
+			cap[ch] = (unsigned char)p->g->ncategories++;
 		}
 	}
 }
@@ -1235,7 +1236,6 @@ allocset(
 	cset *cs;
 	size_t css;
 	size_t i;
-	void *old_ptr;
 
 	_DIAGASSERT(p != NULL);
 
@@ -1248,18 +1248,28 @@ allocset(
 		nbytes = nc / CHAR_BIT * css;
 		if (MEMSIZE(p) > MEMLIMIT)
 			goto oomem;
-		if (reallocarr(&p->g->sets, nc, sizeof(cset)))
+		if (p->g->sets == NULL)
-			goto oomem;
+			p->g->sets = malloc(nc * sizeof(cset));
-		old_ptr = p->g->setbits;
+		else
-		if (reallocarr(&p->g->setbits, nc / CHAR_BIT, css)) {
+			p->g->sets = realloc(p->g->sets, nc * sizeof(cset));
-			free(old_ptr);
+		if (p->g->setbits == NULL)
-			goto oomem;
+			p->g->setbits = malloc(nbytes);
-		}
+		else {
-		if (old_ptr != p->g->setbits) {
+			p->g->setbits = realloc(p->g->setbits, nbytes);
+			/* xxx this isn't right if setbits is now NULL */
 			for (i = 0; i < no; i++)
 				p->g->sets[i].ptr = p->g->setbits + css*(i/CHAR_BIT);
 		}
-		(void) memset((char *)p->g->setbits + (nbytes - css), 0, css);
+		if (p->g->sets != NULL && p->g->setbits != NULL)
+			(void) memset((char *)p->g->setbits + (nbytes - css),
+								0, css);
+		else {
+oomem:
+			no = 0;
+			SETERROR(REG_ESPACE);
+			/* caller's responsibility not to do set ops */
+			return NULL;
+		}
 	}
 
 	cs = &p->g->sets[no];
@@ -1270,11 +1280,6 @@ allocset(
 	cs->multis = NULL;
 
 	return(cs);
-
-oomem:
-	SETERROR(REG_ESPACE);
-	/* caller's responsibility not to do set ops */
-	return NULL;
 }
 
 /*
@@ -1758,18 +1763,30 @@ dofwd(
  == static void enlarge(struct parse *p, sopno size);
  */
 static int
-enlarge(struct parse *p, sopno size)
+enlarge(
+    struct parse *p,
+    sopno size)
 {
+	sop *sp;
+	sopno osize;
+
 	_DIAGASSERT(p != NULL);
 
 	if (p->ssize >= size)
 		return 1;
 
-	if (MEMSIZE(p) > MEMLIMIT || reallocarr(&p->strip, size, sizeof(sop))) {
+	osize = p->ssize;
+	p->ssize = size;
+	if (MEMSIZE(p) > MEMLIMIT)
+		goto oomem;
+	sp = realloc(p->strip, p->ssize * sizeof(sop));
+	if (sp == NULL) {
+oomem:
+		p->ssize = osize;
 		SETERROR(REG_ESPACE);
 		return 0;
 	}
-	p->ssize = size;
+	p->strip = sp;
 	return 1;
 }
 
@@ -1787,9 +1804,11 @@ stripsnug(
 	_DIAGASSERT(g != NULL);
 
 	g->nstates = p->slen;
-	g->strip = p->strip;
+	g->strip = realloc(p->strip, p->slen * sizeof(sop));
-	reallocarr(&g->strip, p->slen, sizeof(sop));
+	if (g->strip == NULL) {
-	/* Ignore error as tries to free memory only. */
+		SETERROR(REG_ESPACE);
+		g->strip = p->strip;
+	}
 }
 
 /*

libc/upstream-netbsd/lib/libc/stdlib/reallocarr.c

@@ -1,95 +0,0 @@
-/* $NetBSD: reallocarr.c,v 1.5 2015/08/20 22:27:49 kamil Exp $ */
-
-/*-
- * Copyright (c) 2015 Joerg Sonnenberger <joerg@NetBSD.org>.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. 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 HOLDERS 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.
- */
-
-#if HAVE_NBTOOL_CONFIG_H
-#include "nbtool_config.h"
-#endif
-
-#include <sys/cdefs.h>
-__RCSID("$NetBSD: reallocarr.c,v 1.5 2015/08/20 22:27:49 kamil Exp $");
-
-#include "namespace.h"
-#include <errno.h>
-/* Old POSIX has SIZE_MAX in limits.h */
-#include <limits.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <string.h>
-
-#ifdef _LIBC
-#ifdef __weak_alias
-__weak_alias(reallocarr, _reallocarr)
-#endif
-#endif
-
-#define SQRT_SIZE_MAX (((size_t)1) << (sizeof(size_t) * CHAR_BIT / 2))
-
-#if !HAVE_REALLOCARR
-int
-reallocarr(void *ptr, size_t number, size_t size)
-{
-	int saved_errno, result;
-	void *optr;
-	void *nptr;
-
-	saved_errno = errno;
-	memcpy(&optr, ptr, sizeof(ptr));
-	if (number == 0 || size == 0) {
-		free(optr);
-		nptr = NULL;
-		memcpy(ptr, &nptr, sizeof(ptr));
-		errno = saved_errno;
-		return 0;
-	}
-
-	/*
-	 * Try to avoid division here.
-	 *
-	 * It isn't possible to overflow during multiplication if neither
-	 * operand uses any of the most significant half of the bits.
-	 */
-	if (__predict_false((number|size) >= SQRT_SIZE_MAX &&
-	                    number > SIZE_MAX / size)) {
-		errno = saved_errno;
-		return EOVERFLOW;
-	}
-
-	nptr = realloc(optr, number * size);
-	if (__predict_false(nptr == NULL)) {
-		result = errno;
-	} else {
-		result = 0;
-		memcpy(ptr, &nptr, sizeof(ptr));
-	}
-	errno = saved_errno;
-	return result;
-}
-#endif

linker/linker.cpp

@@ -37,7 +37,6 @@
 #include <string.h>
 #include <sys/mman.h>
 #include <sys/param.h>
-#include <sys/prctl.h>
 #include <unistd.h>
 
 #include <new>
@@ -318,13 +317,6 @@ static void parse_LD_PRELOAD(const char* path) {
 static bool realpath_fd(int fd, std::string* realpath) {
   std::vector<char> buf(PATH_MAX), proc_self_fd(PATH_MAX);
   snprintf(&proc_self_fd[0], proc_self_fd.size(), "/proc/self/fd/%d", fd);
-  // set DUMPABLE to 1 to access /proc/self/fd
-  int dumpable = prctl(PR_GET_DUMPABLE, 0, 0, 0, 0);
-  prctl(PR_SET_DUMPABLE, 1, 0, 0, 0);
-  auto guard = make_scope_guard([&]() {
-    // restore dumpable
-    prctl(PR_SET_DUMPABLE, dumpable, 0, 0, 0);
-  });
   if (readlink(&proc_self_fd[0], &buf[0], buf.size()) == -1) {
     PRINT("readlink('%s') failed: %s [fd=%d]", &proc_self_fd[0], strerror(errno), fd);
     return false;
@@ -1476,14 +1468,13 @@ static bool find_libraries(soinfo* start_with, const char* const library_names[]
   // Step 1: load and pre-link all DT_NEEDED libraries in breadth first order.
   for (LoadTask::unique_ptr task(load_tasks.pop_front());
       task.get() != nullptr; task.reset(load_tasks.pop_front())) {
-    soinfo* needed_by = task->get_needed_by();
+    soinfo* si = find_library_internal(load_tasks, task->get_name(), rtld_flags, extinfo);
-
-    soinfo* si = find_library_internal(load_tasks, task->get_name(),
-                                       rtld_flags, needed_by == nullptr ? extinfo : nullptr);
     if (si == nullptr) {
       return false;
     }
 
+    soinfo* needed_by = task->get_needed_by();
+
     if (needed_by != nullptr) {
       needed_by->add_child(si);
     }
@@ -2945,7 +2936,6 @@ bool soinfo::link_image(const soinfo_list_t& global_group, const soinfo_list_t&
     // TODO (dimitry): remove != __ANDROID_API__ check once http://b/20020312 is fixed
     if (get_application_target_sdk_version() != __ANDROID_API__
         && get_application_target_sdk_version() > 22) {
-      PRINT("%s: has text relocations", get_realpath());
       DL_ERR("%s: has text relocations", get_realpath());
       return false;
     }

tests/Android.mk

@@ -241,12 +241,7 @@ libBionicCtsGtestMain_src_files := gtest_main.cpp
 
 libBionicCtsGtestMain_cflags := $(test_cflags)
 
-libBionicCtsGtestMain_cppflags := $(test_cppflags) -DUSING_GTEST_OUTPUT_FORMAT \
+libBionicCtsGtestMain_cppflags := $(test_cppflags) -DUSING_GTEST_OUTPUT_FORMAT
-
-# Temporarily fix the job count to 1 for CTS since on some devices the
-# number of online cores is incorrectly read as the total number of cores
-# in the system. When b/24376925 is fixed, this should be removed.
-libBionicCtsGtestMain_cppflags += -DJOB_COUNT_FIXED=1
 
 module := libBionicCtsGtestMain
 module_tag := optional

tests/gtest_main.cpp

@@ -59,7 +59,7 @@ using testing::internal::COLOR_GREEN;
 using testing::internal::COLOR_YELLOW;
 using testing::internal::ColoredPrintf;
 
-constexpr int DEFAULT_GLOBAL_TEST_RUN_DEADLINE_MS = 90000;
+constexpr int DEFAULT_GLOBAL_TEST_RUN_DEADLINE_MS = 60000;
 constexpr int DEFAULT_GLOBAL_TEST_RUN_WARNLINE_MS = 2000;
 
 // The time each test can run before killed for the reason of timeout.
@@ -839,12 +839,8 @@ static bool RunTestInSeparateProc(int argc, char** argv, std::vector<TestCase>&
   return all_tests_passed;
 }
 
-static size_t GetDefaultJobCount() {
+static size_t GetProcessorCount() {
-#if defined(JOB_COUNT_FIXED)
-  return JOB_COUNT_FIXED;
-#else
   return static_cast<size_t>(sysconf(_SC_NPROCESSORS_ONLN));
-#endif
 }
 
 static void AddPathSeparatorInTestProgramPath(std::vector<char*>& args) {
@@ -954,7 +950,7 @@ static bool PickOptions(std::vector<char*>& args, IsolationTestOptions& options)
   }
 
   // Init default isolation test options.
-  options.job_count = GetDefaultJobCount();
+  options.job_count = GetProcessorCount();
   options.test_deadline_ms = DEFAULT_GLOBAL_TEST_RUN_DEADLINE_MS;
   options.test_warnline_ms = DEFAULT_GLOBAL_TEST_RUN_WARNLINE_MS;
   options.gtest_color = testing::GTEST_FLAG(color);

tests/libs/Android.mk

@@ -67,8 +67,6 @@ libdlext_test_src_files := \
 libdlext_test_ldflags := \
     -Wl,-z,relro \
 
-libdlext_test_shared_libraries := libtest_simple
-
 module := libdlext_test
 module_tag := optional
 include $(LOCAL_PATH)/Android.build.testlib.mk

tests/pthread_test.cpp

@@ -27,7 +27,6 @@
 #include <sys/syscall.h>
 #include <time.h>
 #include <unistd.h>
-#include <unwind.h>
 
 #include <atomic>
 #include <regex>
@@ -1245,11 +1244,8 @@ TEST(pthread, pthread_attr_getstack_18908062) {
 }
 
 #if defined(__BIONIC__)
-static pthread_mutex_t gettid_mutex;
 static void* pthread_gettid_np_helper(void* arg) {
-  pthread_mutex_lock(&gettid_mutex);
   *reinterpret_cast<pid_t*>(arg) = gettid();
-  pthread_mutex_unlock(&gettid_mutex);
   return NULL;
 }
 #endif
@@ -1260,15 +1256,11 @@ TEST(pthread, pthread_gettid_np) {
 
   pid_t t_gettid_result;
   pthread_t t;
-  pthread_mutex_init(&gettid_mutex, NULL);
-  pthread_mutex_lock(&gettid_mutex);
   pthread_create(&t, NULL, pthread_gettid_np_helper, &t_gettid_result);
 
   pid_t t_pthread_gettid_np_result = pthread_gettid_np(t);
-  pthread_mutex_unlock(&gettid_mutex);
 
   pthread_join(t, NULL);
-  pthread_mutex_destroy(&gettid_mutex);
 
   ASSERT_EQ(t_gettid_result, t_pthread_gettid_np_result);
 #else
@@ -1579,26 +1571,3 @@ TEST_F(pthread_DeathTest, pthread_mutex_unlock_null_64) {
   GTEST_LOG_(INFO) << "This test tests bionic implementation details on 64 bit devices.";
 #endif
 }
-
-extern _Unwind_Reason_Code FrameCounter(_Unwind_Context* ctx, void* arg);
-
-static volatile bool signal_handler_on_altstack_done;
-
-static void SignalHandlerOnAltStack(int signo, siginfo_t*, void*) {
-  ASSERT_EQ(SIGUSR1, signo);
-  // Check if we have enough stack space for unwinding.
-  int count = 0;
-  _Unwind_Backtrace(FrameCounter, &count);
-  ASSERT_GT(count, 0);
-  // Check if we have enough stack space for logging.
-  std::string s(2048, '*');
-  GTEST_LOG_(INFO) << s;
-  signal_handler_on_altstack_done = true;
-}
-
-TEST(pthread, big_enough_signal_stack_for_64bit_arch) {
-  signal_handler_on_altstack_done = false;
-  ScopedSignalHandler handler(SIGUSR1, SignalHandlerOnAltStack, SA_SIGINFO | SA_ONSTACK);
-  kill(getpid(), SIGUSR1);
-  ASSERT_TRUE(signal_handler_on_altstack_done);
-}

tests/stack_unwinding_test.cpp

@@ -34,7 +34,7 @@
 #define noinline __attribute__((__noinline__))
 #define __unused __attribute__((__unused__))
 
-_Unwind_Reason_Code FrameCounter(_Unwind_Context* ctx __unused, void* arg) {
+static _Unwind_Reason_Code FrameCounter(_Unwind_Context* ctx __unused, void* arg) {
   int* count_ptr = reinterpret_cast<int*>(arg);
 
 #if SHOW_FRAME_LOCATIONS