Update NSPR to 4.20

17 files changed, 198 insertions, 14 deletions

diff --git a/nsprpub/TAG-INFO b/nsprpub/TAG-INFO
deleted file mode 100644
index ed713edea..000000000
--- a/nsprpub/TAG-INFO
+++ /dev/null
@@ -1 +0,0 @@
-NSPR_4_19_RTM
diff --git a/nsprpub/configure b/nsprpub/configure
index 619d193ae..ce2543ed7 100755
--- a/nsprpub/configure
+++ b/nsprpub/configure
@@ -2488,7 +2488,7 @@ test -n "$target_alias" &&
   program_prefix=${target_alias}-
 
 MOD_MAJOR_VERSION=4
-MOD_MINOR_VERSION=19
+MOD_MINOR_VERSION=20
 MOD_PATCH_VERSION=0
 NSPR_MODNAME=nspr20
 _HAVE_PTHREADS=
diff --git a/nsprpub/configure.in b/nsprpub/configure.in
index ea0ae7f8e..cbd22b42e 100644
--- a/nsprpub/configure.in
+++ b/nsprpub/configure.in
@@ -15,7 +15,7 @@ dnl ========================================================
 dnl = Defaults
 dnl ========================================================
 MOD_MAJOR_VERSION=4
-MOD_MINOR_VERSION=19
+MOD_MINOR_VERSION=20
 MOD_PATCH_VERSION=0
 NSPR_MODNAME=nspr20
 _HAVE_PTHREADS=
@@ -2106,6 +2106,10 @@ tools are selected during the Xcode/Developer Tools installation.])
 	    AC_DEFINE(_AMD64_)
 	    USE_64=1
 	    ;;
+    aarch64)
+	    AC_DEFINE(_ARM64_)
+	    USE_64=1
+	    ;;
     ia64)
 	    AC_DEFINE(_IA64_)
 	    USE_64=1
diff --git a/nsprpub/lib/ds/plarena.h b/nsprpub/lib/ds/plarena.h
index 5336a0e4d..0ca00c0ac 100644
--- a/nsprpub/lib/ds/plarena.h
+++ b/nsprpub/lib/ds/plarena.h
@@ -95,13 +95,24 @@ struct PLArenaPool {
 
 #if defined(PL_SANITIZE_ADDRESS)
 
+#if defined(_MSC_VER)
+/* We can't use dllimport due to DLL linkage mismatch with
+ * sanitizer/asan_interface.h.
+ */
+#define PL_ASAN_VISIBILITY(type_) type_
+#else
+#define PL_ASAN_VISIBILITY(type_) PR_IMPORT(type_)
+#endif
+
 /* These definitions are usually provided through the
  * sanitizer/asan_interface.h header installed by ASan.
  * See https://github.com/google/sanitizers/wiki/AddressSanitizerManualPoisoning
  */
 
-PR_IMPORT(void) __asan_poison_memory_region(void const volatile *addr, size_t size);
-PR_IMPORT(void) __asan_unpoison_memory_region(void const volatile *addr, size_t size);
+PL_ASAN_VISIBILITY(void) __asan_poison_memory_region(
+    void const volatile *addr, size_t size);
+PL_ASAN_VISIBILITY(void) __asan_unpoison_memory_region(
+    void const volatile *addr, size_t size);
 
 #define PL_MAKE_MEM_NOACCESS(addr, size) \
     __asan_poison_memory_region((addr), (size))
diff --git a/nsprpub/pr/include/md/_linux.cfg b/nsprpub/pr/include/md/_linux.cfg
index b4c0ed427..afc407c47 100644
--- a/nsprpub/pr/include/md/_linux.cfg
+++ b/nsprpub/pr/include/md/_linux.cfg
@@ -1020,6 +1020,98 @@
 #define PR_BYTES_PER_WORD_LOG2   2
 #define PR_BYTES_PER_DWORD_LOG2  3
 
+#elif defined(__riscv) && (__riscv_xlen == 32)
+
+#undef  IS_BIG_ENDIAN
+#define IS_LITTLE_ENDIAN 1
+#undef  IS_64
+
+#define PR_BYTES_PER_BYTE   1
+#define PR_BYTES_PER_SHORT  2
+#define PR_BYTES_PER_INT    4
+#define PR_BYTES_PER_INT64  8
+#define PR_BYTES_PER_LONG   4
+#define PR_BYTES_PER_FLOAT  4
+#define PR_BYTES_PER_DOUBLE 8
+#define PR_BYTES_PER_WORD   4
+#define PR_BYTES_PER_DWORD  8
+
+#define PR_BITS_PER_BYTE    8
+#define PR_BITS_PER_SHORT   16
+#define PR_BITS_PER_INT     32
+#define PR_BITS_PER_INT64   64
+#define PR_BITS_PER_LONG    32
+#define PR_BITS_PER_FLOAT   32
+#define PR_BITS_PER_DOUBLE  64
+#define PR_BITS_PER_WORD    32
+
+#define PR_BITS_PER_BYTE_LOG2   3
+#define PR_BITS_PER_SHORT_LOG2  4
+#define PR_BITS_PER_INT_LOG2    5
+#define PR_BITS_PER_INT64_LOG2  6
+#define PR_BITS_PER_LONG_LOG2   5
+#define PR_BITS_PER_FLOAT_LOG2  5
+#define PR_BITS_PER_DOUBLE_LOG2 6
+#define PR_BITS_PER_WORD_LOG2   5
+
+#define PR_ALIGN_OF_SHORT   2
+#define PR_ALIGN_OF_INT     4
+#define PR_ALIGN_OF_LONG    4
+#define PR_ALIGN_OF_INT64   8
+#define PR_ALIGN_OF_FLOAT   4
+#define PR_ALIGN_OF_DOUBLE  8
+#define PR_ALIGN_OF_POINTER 4
+#define PR_ALIGN_OF_WORD    4
+
+#define PR_BYTES_PER_WORD_LOG2  2
+#define PR_BYTES_PER_DWORD_LOG2 3
+
+#elif defined(__riscv) && (__riscv_xlen == 64)
+
+#undef  IS_BIG_ENDIAN
+#define IS_LITTLE_ENDIAN 1
+#define IS_64
+
+#define PR_BYTES_PER_BYTE   1
+#define PR_BYTES_PER_SHORT  2
+#define PR_BYTES_PER_INT    4
+#define PR_BYTES_PER_INT64  8
+#define PR_BYTES_PER_LONG   8
+#define PR_BYTES_PER_FLOAT  4
+#define PR_BYTES_PER_DOUBLE 8
+#define PR_BYTES_PER_WORD   8
+#define PR_BYTES_PER_DWORD  8
+
+#define PR_BITS_PER_BYTE    8
+#define PR_BITS_PER_SHORT   16
+#define PR_BITS_PER_INT     32
+#define PR_BITS_PER_INT64   64
+#define PR_BITS_PER_LONG    64
+#define PR_BITS_PER_FLOAT   32
+#define PR_BITS_PER_DOUBLE  64
+#define PR_BITS_PER_WORD    64
+
+#define PR_BITS_PER_BYTE_LOG2   3
+#define PR_BITS_PER_SHORT_LOG2  4
+#define PR_BITS_PER_INT_LOG2    5
+#define PR_BITS_PER_INT64_LOG2  6
+#define PR_BITS_PER_LONG_LOG2   6
+#define PR_BITS_PER_FLOAT_LOG2  5
+#define PR_BITS_PER_DOUBLE_LOG2 6
+#define PR_BITS_PER_WORD_LOG2   6
+
+#define PR_ALIGN_OF_SHORT   2
+#define PR_ALIGN_OF_INT     4
+#define PR_ALIGN_OF_LONG    8
+#define PR_ALIGN_OF_INT64   8
+#define PR_ALIGN_OF_FLOAT   4
+#define PR_ALIGN_OF_DOUBLE  8
+#define PR_ALIGN_OF_POINTER 8
+#define PR_ALIGN_OF_WORD    8
+
+#define PR_BYTES_PER_WORD_LOG2  3
+#define PR_BYTES_PER_DWORD_LOG2 3
+
 #else
 
 #error "Unknown CPU architecture"
diff --git a/nsprpub/pr/include/md/_linux.h b/nsprpub/pr/include/md/_linux.h
index b4b298b71..2370ab831 100644
--- a/nsprpub/pr/include/md/_linux.h
+++ b/nsprpub/pr/include/md/_linux.h
@@ -57,6 +57,10 @@
 #define _PR_SI_ARCHITECTURE "m32r"
 #elif defined(__or1k__)
 #define _PR_SI_ARCHITECTURE "or1k"
+#elif defined(__riscv) && (__riscv_xlen == 32)
+#define _PR_SI_ARCHITECTURE "riscv32"
+#elif defined(__riscv) && (__riscv_xlen == 64)
+#define _PR_SI_ARCHITECTURE "riscv64"
 #else
 #error "Unknown CPU architecture"
 #endif
diff --git a/nsprpub/pr/include/md/_win95.cfg b/nsprpub/pr/include/md/_win95.cfg
index 1e693cc68..7c379fce7 100644
--- a/nsprpub/pr/include/md/_win95.cfg
+++ b/nsprpub/pr/include/md/_win95.cfg
@@ -214,6 +214,55 @@
 #define PR_BYTES_PER_WORD_LOG2  2
 #define PR_BYTES_PER_DWORD_LOG2 3
 
+#elif defined(_M_ARM64) || defined(_ARM64_)
+
+#define IS_LITTLE_ENDIAN 1
+#undef  IS_BIG_ENDIAN
+#define IS_64
+
+#define PR_BYTES_PER_BYTE   1
+#define PR_BYTES_PER_SHORT  2
+#define PR_BYTES_PER_INT    4
+#define PR_BYTES_PER_INT64  8
+#define PR_BYTES_PER_LONG   4
+#define PR_BYTES_PER_FLOAT  4
+#define PR_BYTES_PER_WORD	8
+#define PR_BYTES_PER_DWORD	8
+#define PR_BYTES_PER_DOUBLE 8
+
+#define PR_BITS_PER_BYTE    8
+#define PR_BITS_PER_SHORT   16
+#define PR_BITS_PER_INT     32
+#define PR_BITS_PER_INT64   64
+#define PR_BITS_PER_LONG    32
+#define PR_BITS_PER_FLOAT   32
+#define PR_BITS_PER_WORD	64
+#define PR_BITS_PER_DWORD	64
+#define PR_BITS_PER_DOUBLE  64
+
+#define PR_BITS_PER_BYTE_LOG2   3
+#define PR_BITS_PER_SHORT_LOG2  4
+#define PR_BITS_PER_INT_LOG2    5
+#define PR_BITS_PER_INT64_LOG2  6
+#define PR_BITS_PER_LONG_LOG2   5
+#define PR_BITS_PER_FLOAT_LOG2  5
+#define PR_BITS_PER_WORD_LOG2	6
+#define PR_BITS_PER_DWORD_LOG2	6
+#define PR_BITS_PER_DOUBLE_LOG2 6
+
+#define PR_ALIGN_OF_SHORT   2
+#define PR_ALIGN_OF_INT     4
+#define PR_ALIGN_OF_LONG    4
+#define PR_ALIGN_OF_INT64   8
+#define PR_ALIGN_OF_FLOAT   4
+#define PR_ALIGN_OF_WORD	8
+#define PR_ALIGN_OF_DWORD	8
+#define PR_ALIGN_OF_DOUBLE  8
+#define PR_ALIGN_OF_POINTER 8
+
+#define PR_BYTES_PER_WORD_LOG2	3
+#define PR_BYTES_PER_DWORD_LOG2	3
+
 #else /* defined(_M_IX86) || defined(_X86_) */
 
 #error unknown processor architecture
diff --git a/nsprpub/pr/include/md/_win95.h b/nsprpub/pr/include/md/_win95.h
index 04f811d37..24e537bb7 100644
--- a/nsprpub/pr/include/md/_win95.h
+++ b/nsprpub/pr/include/md/_win95.h
@@ -26,6 +26,8 @@
 #define _PR_SI_ARCHITECTURE   "ia64"
 #elif defined(_M_ARM) || defined(_ARM_)
 #define _PR_SI_ARCHITECTURE   "arm"
+#elif defined(_M_ARM64)
+#define _PR_SI_ARCHITECTURE   "aarch64"
 #else
 #error unknown processor architecture
 #endif
diff --git a/nsprpub/pr/include/prinit.h b/nsprpub/pr/include/prinit.h
index ab3aba208..5f6b4e3de 100644
--- a/nsprpub/pr/include/prinit.h
+++ b/nsprpub/pr/include/prinit.h
@@ -31,9 +31,9 @@ PR_BEGIN_EXTERN_C
 ** The format of the version string is
 **     "<major version>.<minor version>[.<patch level>] [<Beta>]"
 */
-#define PR_VERSION  "4.19"
+#define PR_VERSION  "4.20"
 #define PR_VMAJOR   4
-#define PR_VMINOR   19
+#define PR_VMINOR   20
 #define PR_VPATCH   0
 #define PR_BETA     PR_FALSE
 
diff --git a/nsprpub/pr/src/misc/prnetdb.c b/nsprpub/pr/src/misc/prnetdb.c
index affebf6ac..c482e8e4a 100644
--- a/nsprpub/pr/src/misc/prnetdb.c
+++ b/nsprpub/pr/src/misc/prnetdb.c
@@ -7,6 +7,10 @@
 
 #include <string.h>
 
+#if defined(LINUX)
+#include <sys/un.h>
+#endif
+
 /*
  * On Unix, the error code for gethostbyname() and gethostbyaddr()
  * is returned in the global variable h_errno, instead of the usual
@@ -1366,7 +1370,17 @@ PRUintn _PR_NetAddrSize(const PRNetAddr* addr)
 #endif
 #if defined(XP_UNIX) || defined(XP_OS2)
     else if (AF_UNIX == addr->raw.family)
-        addrsize = sizeof(addr->local);
+    {
+#if defined(LINUX)
+        if (addr->local.path[0] == 0)
+            /* abstract socket address is supported on Linux only */
+            addrsize = strnlen(addr->local.path + 1,
+                               sizeof(addr->local.path)) +
+                       offsetof(struct sockaddr_un, sun_path) + 1;
+        else
+#endif
+            addrsize = sizeof(addr->local);
+    }
 #endif
     else addrsize = 0;
 
diff --git a/nsprpub/pr/src/pthreads/ptio.c b/nsprpub/pr/src/pthreads/ptio.c
index f6aa56741..1549a905f 100644
--- a/nsprpub/pr/src/pthreads/ptio.c
+++ b/nsprpub/pr/src/pthreads/ptio.c
@@ -1750,7 +1750,12 @@ static PRStatus pt_Bind(PRFileDesc *fd, const PRNetAddr *addr)
     if (addr->raw.family == AF_UNIX)
     {
         /* Disallow relative pathnames */
-        if (addr->local.path[0] != '/')
+        if (addr->local.path[0] != '/'
+#if defined(LINUX)
+            /* Linux has abstract socket address support */
+            && addr->local.path[0] != 0
+#endif
+            )
         {
             PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
             return PR_FAILURE;
diff --git a/nsprpub/pr/src/pthreads/ptsynch.c b/nsprpub/pr/src/pthreads/ptsynch.c
index a93b74795..126bed670 100644
--- a/nsprpub/pr/src/pthreads/ptsynch.c
+++ b/nsprpub/pr/src/pthreads/ptsynch.c
@@ -911,7 +911,8 @@ PR_IMPLEMENT(PRStatus) PR_DeleteSemaphore(const char *name)
  * From the semctl(2) man page in glibc 2.0
  */
 #if (defined(__GNU_LIBRARY__) && !defined(_SEM_SEMUN_UNDEFINED)) \
-    || defined(FREEBSD) || defined(OPENBSD) || defined(BSDI) \
+    || (defined(FREEBSD) && __FreeBSD_version < 1200059) \
+    || defined(OPENBSD) || defined(BSDI) \
     || defined(DARWIN) || defined(SYMBIAN)
 /* union semun is defined by including <sys/sem.h> */
 #else
diff --git a/nsprpub/pr/tests/Makefile.in b/nsprpub/pr/tests/Makefile.in
index 79a67f09c..f1cfba9cc 100644
--- a/nsprpub/pr/tests/Makefile.in
+++ b/nsprpub/pr/tests/Makefile.in
@@ -18,6 +18,7 @@ include $(topsrcdir)/config/config.mk
 DIRS = dll
 
 CSRCS =             \
+	abstract.c		\
 	accept.c		\
 	acceptread.c	\
 	acceptreademu.c	\
diff --git a/nsprpub/pr/tests/runtests.pl b/nsprpub/pr/tests/runtests.pl
index 5dbc649bf..f1ab7647e 100755
--- a/nsprpub/pr/tests/runtests.pl
+++ b/nsprpub/pr/tests/runtests.pl
@@ -241,6 +241,7 @@ $prog = shift;  # Program to test
 
 # MAIN ---------------
 @progs = (
+"abstract",
 "accept",
 "acceptread",
 "acceptreademu",
diff --git a/nsprpub/pr/tests/runtests.sh b/nsprpub/pr/tests/runtests.sh
index 760f03292..d021287b8 100755
--- a/nsprpub/pr/tests/runtests.sh
+++ b/nsprpub/pr/tests/runtests.sh
@@ -71,6 +71,7 @@ LOGFILE=${NSPR_TEST_LOGFILE:-$NULL_DEVICE}
 #
 
 TESTS="
+abstract
 accept
 acceptread
 acceptreademu
diff --git a/nsprpub/pr/tests/vercheck.c b/nsprpub/pr/tests/vercheck.c
index 43b0abc4b..5e6588f9d 100644
--- a/nsprpub/pr/tests/vercheck.c
+++ b/nsprpub/pr/tests/vercheck.c
@@ -40,7 +40,7 @@ static char *compatible_version[] = {
     "4.10", "4.10.1", "4.10.2", "4.10.3", "4.10.4",
     "4.10.5", "4.10.6", "4.10.7", "4.10.8", "4.10.9",
     "4.10.10", "4.11", "4.12", "4.13", "4.14", "4.15",
-    "4.16", "4.17", "4.18",
+    "4.16", "4.17", "4.18", "4.19",
     PR_VERSION
 };
 
@@ -56,8 +56,8 @@ static char *incompatible_version[] = {
     "3.0", "3.0.1",
     "3.1", "3.1.1", "3.1.2", "3.1.3",
     "3.5", "3.5.1",
-    "4.19.1",
-    "4.20", "4.20.1",
+    "4.20.1",
+    "4.21", "4.21.1",
     "10.0", "11.1", "12.14.20"
 };
 
diff --git a/old-configure.in b/old-configure.in
index 547b71cbf..2f990ab96 100644
--- a/old-configure.in
+++ b/old-configure.in
@@ -48,7 +48,7 @@ dnl ========================================================
 MOZJPEG=62
 MOZPNG=10625
 NSPR_VERSION=4
-NSPR_MINVER=4.19
+NSPR_MINVER=4.20
 NSS_VERSION=3
 
 dnl Set the minimum version of toolkit libs used by mozilla