Bump third_party/pigweed/repo from 73cac22 to b88cd71

examples/all-clusters-app/nxp/mw320/BUILD.gn

@@ -63,6 +63,8 @@ mw320_executable("shell_mw320") {
     "${chip_root}/src/setup_payload",
   ]
 
+  deps = ["${examples_plat_dir}:syscalls_stub"]
+
   include_dirs = [
     "${chip_root}/src/platform/nxp/mw320",
     "${examples_plat_dir}/app/project_include",
@@ -84,7 +86,10 @@ mw320_executable("shell_mw320") {
 
   ldscript = "${examples_plat_dir}/app/ldscripts/88MW320_xx_xxxx_flash.ld"
 
-  ldflags = [ "-T" + rebase_path(ldscript, root_build_dir) ]
+  ldflags = [
+    "-T" + rebase_path(ldscript, root_build_dir),
+    "-Wl,--no-warn-rwx-segment"
+  ]
   defines = [
     "MW320_SHELL_STREAMER",
     "SHELL_STREAMER_APP_SPECIFIC",

examples/contact-sensor-app/nxp/k32w/k32w0/BUILD.gn

@@ -110,6 +110,7 @@ k32w0_executable("contact_sensor_app") {
     "${chip_root}/src/lib",
     "${chip_root}/third_party/mbedtls:mbedtls",
     "${k32w0_platform_dir}/app/support:freertos_mbedtls_utils",
+    "${k32w0_platform_dir}/common:syscalls_stub",
   ]
 
   if (chip_openthread_ftd) {

examples/lighting-app/nxp/k32w/k32w0/BUILD.gn

@@ -112,6 +112,7 @@ k32w0_executable("light_app") {
     "${chip_root}/src/lib",
     "${chip_root}/third_party/mbedtls:mbedtls",
     "${k32w0_platform_dir}/app/support:freertos_mbedtls_utils",
+    "${k32w0_platform_dir}/common:syscalls_stub",
   ]
 
   if (chip_openthread_ftd) {

examples/lock-app/nxp/k32w/k32w0/BUILD.gn

@@ -112,6 +112,7 @@ k32w0_executable("lock_app") {
     "${chip_root}/third_party/mbedtls:mbedtls",
     "${chip_root}/third_party/simw-top-mini:se05x",
     "${k32w0_platform_dir}/app/support:freertos_mbedtls_utils",
+    "${k32w0_platform_dir}/common:syscalls_stub",
   ]
 
   if (chip_openthread_ftd) {

examples/platform/linux/system_rpc_server.cc

@@ -37,6 +37,7 @@ namespace {
 constexpr size_t kMaxTransmissionUnit = 512;
 uint16_t socket_port                  = 33000;
 
+stream::ServerSocket server_socket;
 stream::SocketStream socket_stream;
 
 hdlc::RpcChannelOutput hdlc_channel_output(socket_stream, hdlc::kDefaultRpcAddress, "HDLC channel");
@@ -63,7 +64,10 @@ void Init()
     });
 
     PW_LOG_INFO("Starting pw_rpc server on port %d", socket_port);
-    PW_CHECK_OK(socket_stream.Serve(socket_port));
+    PW_CHECK_OK(server_socket.Listen(socket_port));
+    auto accept_result = server_socket.Accept();
+    PW_CHECK_OK(accept_result.status());
+    socket_stream = *std::move(accept_result);
 }
 
 rpc::Server & Server()
@@ -88,7 +92,10 @@ Status Start()
                 // An out of range status indicates the remote end has disconnected.
                 // Start to serve the connection again, which will allow another
                 // remote to connect.
-                PW_CHECK_OK(socket_stream.Serve(socket_port));
+                PW_CHECK_OK(server_socket.Listen(socket_port));
+                auto accept_result = server_socket.Accept();
+                PW_CHECK_OK(accept_result.status());
+                socket_stream = *std::move(accept_result);
             }
             continue;
         }

examples/platform/nxp/k32w/k32w0/common/BUILD.gn

@@ -0,0 +1,19 @@
+# Copyright (c) 2023 Project CHIP Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import("//build_overrides/chip.gni")
+
+source_set("syscalls_stub") {
+  sources = [ "syscalls_stubs.cpp" ]
+}

examples/platform/nxp/k32w/k32w0/common/syscalls_stubs.cpp

@@ -0,0 +1,212 @@
+/*
+ *
+ *    Copyright (c) 2023 Project CHIP Authors
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *        http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+
+/*
+    This file is only used to implement weak syscall stubs
+    that gcc-arm-none-eabi 12.2.1 expect to link when using Libc
+    (newlib/libc_nano)
+*/
+
+#include <reent.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int _open(const char* pathname, int flags, int mode);
+int _close(int file);
+int _fstat(int file, struct stat * st);
+int _isatty(int file);
+int _lseek(int file, int ptr, int dir);
+int _read(int file, char * ptr, int len);
+int _write(int file, const char * ptr, int len);
+
+int __attribute__((weak)) _open(const char* pathname, int flags, int mode)
+{
+    (void) pathname;
+    (void) flags;
+    (void) mode;
+    return 0;
+}
+
+/**************************************************************************
+ * @brief
+ *  Close a file.
+ *
+ * @param[in] file
+ *  File you want to close.
+ *
+ * @return
+ *  Returns 0 when the file is closed.
+ **************************************************************************/
+int __attribute__((weak)) _close(int file)
+{
+    (void) file;
+    return 0;
+}
+
+/**************************************************************************
+ * @brief Exit the program.
+ * @param[in] status The value to return to the parent process as the
+ *            exit status (not used).
+ **************************************************************************/
+void __attribute__((weak)) _exit(int status)
+{
+    (void) status;
+    while (1)
+    {
+    } /* Hang here forever... */
+}
+
+/*************************************************************************
+ * @brief
+ *  Status of an open file.
+ *
+ * @param[in] file
+ *  Check status for this file.
+ *
+ * @param[in] st
+ *  Status information.
+ *
+ * @return
+ *  Returns 0 when st_mode is set to character special.
+ ************************************************************************/
+int __attribute__((weak)) _fstat(int file, struct stat * st)
+{
+    (void) file;
+    (void) st;
+    return 0;
+}
+
+/**************************************************************************
+ * @brief Get process ID.
+ *************************************************************************/
+int __attribute__((weak)) _getpid(void)
+{
+    return 1;
+}
+
+/**************************************************************************
+ * @brief
+ *  Query whether output stream is a terminal.
+ *
+ * @param[in] file
+ *  Descriptor for the file.
+ *
+ * @return
+ *  Returns 1 when query is done.
+ **************************************************************************/
+int __attribute__((weak)) _isatty(int file)
+{
+    (void) file;
+    return 1;
+}
+
+/**************************************************************************
+ * @brief Send signal to process.
+ * @param[in] pid Process id (not used).
+ * @param[in] sig Signal to send (not used).
+ *************************************************************************/
+int __attribute__((weak)) _kill(int pid, int sig)
+{
+    (void) pid;
+    (void) sig;
+    return -1;
+}
+
+/**************************************************************************
+ * @brief
+ *  Set position in a file.
+ *
+ * @param[in] file
+ *  Descriptor for the file.
+ *
+ * @param[in] ptr
+ *  Poiter to the argument offset.
+ *
+ * @param[in] dir
+ *  Directory whence.
+ *
+ * @return
+ *  Returns 0 when position is set.
+ *************************************************************************/
+int __attribute__((weak)) _lseek(int file, int ptr, int dir)
+{
+    (void) file;
+    (void) ptr;
+    (void) dir;
+    return 0;
+}
+
+/**************************************************************************
+ * @brief
+ *  Read from a file.
+ *
+ * @param[in] file
+ *  Descriptor for the file you want to read from.
+ *
+ * @param[in] ptr
+ *  Pointer to the chacaters that are beeing read.
+ *
+ * @param[in] len
+ *  Number of characters to be read.
+ *
+ * @return
+ *  Number of characters that have been read.
+ *************************************************************************/
+int __attribute__((weak)) _read(int file, char * ptr, int len)
+{
+    (void) file;
+    (void) ptr;
+    (void) len;
+    return 0;
+}
+
+/**************************************************************************
+ * @brief
+ *  Write to a file.
+ *
+ * @param[in] file
+ *  Descriptor for the file you want to write to.
+ *
+ * @param[in] ptr
+ *  Pointer to the text you want to write
+ *
+ * @param[in] len
+ *  Number of characters to be written.
+ *
+ * @return
+ *  Number of characters that have been written.
+ **************************************************************************/
+int __attribute__((weak)) _write(int file, const char * ptr, int len)
+{
+    (void) file;
+    (void) ptr;
+
+    return len;
+}
+
+#ifdef __cplusplus
+}
+#endif

examples/platform/nxp/mw320/BUILD.gn

@@ -25,3 +25,7 @@ source_set("config_mw320_chip_examples") {
   #  sources = [ "app/project_include/CHIPProjectConfig.h" ]
   public_configs = [ ":chip_examples_project_config" ]
 }
+
+source_set("syscalls_stub") {
+  sources = [ "syscalls_stubs.cpp" ]
+}