native_simulator: Align with upstream latest with more trampolines

Upstream SHA: 9990deecdaa11f78f7738ba1efa3de15a72d6418

Signed-off-by: Alberto Escolar Piedras <alberto.escolar.piedras@nordicsemi.no>

scripts/native_simulator/Makefile

@@ -10,6 +10,8 @@
 
 NSI_CONFIG_FILE?=nsi_config
 -include ${NSI_CONFIG_FILE}
+#If the file does not exist, we don't use it as a build dependency
+NSI_CONFIG_FILE:=$(wildcard ${NSI_CONFIG_FILE})
 
 NSI_PATH?=./
 NSI_BUILD_PATH?=$(abspath _build/)

scripts/native_simulator/common/src/include/nsi_host_trampolines.h

@@ -22,10 +22,20 @@
 extern "C" {
 #endif
 
+void *nsi_host_calloc(unsigned long nmemb, unsigned long size);
+int nsi_host_close(int fd);
 /* void nsi_host_exit (int status); Use nsi_exit() instead */
+void nsi_host_free(void *ptr);
+char *nsi_host_getcwd(char *buf, unsigned long size);
+int nsi_host_isatty(int fd);
+void *nsi_host_malloc(unsigned long size);
+int nsi_host_open(const char *pathname, int flags);
 /* int nsi_host_printf (const char *fmt, ...); Use the nsi_tracing.h equivalents */
 long nsi_host_random(void);
+long nsi_host_read(int fd, void *buffer, unsigned long size);
 void nsi_host_srandom(unsigned int seed);
+char *nsi_host_strdup(const char *s);
+long nsi_host_write(int fd, void *buffer, unsigned long size);
 
 #ifdef __cplusplus
 }

scripts/native_simulator/common/src/nsi_host_trampolines.c

@@ -7,13 +7,66 @@
  */
 
 #include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+
+void *nsi_host_calloc(unsigned long nmemb, unsigned long size)
+{
+	return calloc(nmemb, size);
+}
+
+int nsi_host_close(int fd)
+{
+	return close(fd);
+}
+
+void nsi_host_free(void *ptr)
+{
+	free(ptr);
+}
+
+char *nsi_host_getcwd(char *buf, unsigned long size)
+{
+	return getcwd(buf, size);
+}
+
+int nsi_host_isatty(int fd)
+{
+	return isatty(fd);
+}
+
+void *nsi_host_malloc(unsigned long size)
+{
+	return malloc(size);
+}
+
+int nsi_host_open(const char *pathname, int flags)
+{
+	return open(pathname, flags);
+}
 
 long nsi_host_random(void)
 {
 	return random();
 }
 
+long nsi_host_read(int fd, void *buffer, unsigned long size)
+{
+	return read(fd, buffer, size);
+}
+
 void nsi_host_srandom(unsigned int seed)
 {
 	srandom(seed);
 }
+
+char *nsi_host_strdup(const char *s)
+{
+	return strdup(s);
+}
+
+long nsi_host_write(int fd, void *buffer, unsigned long size)
+{
+	return write(fd, buffer, size);
+}