change(esp_libc): rename newlib component to esp_libc

components/esp_libc/src/syscalls.c

@@ -0,0 +1,159 @@
+/*
+ * SPDX-FileCopyrightText: 2024-2025 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <reent.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <sys/time.h>
+#include <sys/stat.h>
+#include "esp_attr.h"
+
+#if CONFIG_IDF_TOOLCHAIN_GCC
+#include <sys/statvfs.h>
+#endif
+
+#if CONFIG_LIBC_PICOLIBC
+int open(const char *pathname, int flags, ...)
+{
+    /* The mode argument must be supplied if O_CREAT or O_TMPFILE is specified
+     * in flags.
+     * But O_TMPFILE is a linux flag. Ignore it
+     */
+    if (flags & O_CREAT) {
+        va_list args;
+        va_start(args, flags);
+        mode_t mode = va_arg(args, mode_t);
+        va_end(args);
+
+        return _open_r(__getreent(), pathname, flags, mode);
+    }
+
+    return _open_r(__getreent(), pathname, flags, 0);
+}
+
+int close(int fd)
+{
+    return _close_r(__getreent(), fd);
+}
+
+ssize_t read(int fd, void *dst, size_t size)
+{
+    return _read_r(__getreent(), fd, dst, size);
+}
+
+ssize_t write(int fd, const void *dst, size_t size)
+{
+    return _write_r(__getreent(), fd, dst, size);
+}
+
+off_t lseek(int fd, off_t size, int mode)
+{
+    return _lseek_r(__getreent(), fd, size, mode);
+}
+
+int creat(const char *path, mode_t mode)
+{
+    return _open_r(__getreent(), path, O_WRONLY | O_CREAT | O_TRUNC, mode);
+}
+
+int gettimeofday(struct timeval *restrict tv, void *restrict tz)
+{
+    return _gettimeofday_r(__getreent(), tv, tz);
+}
+
+int unlink(const char *path)
+{
+    return _unlink_r(__getreent(), path);
+}
+
+int stat(const char * path, struct stat * st)
+{
+    return _stat_r(__getreent(), path, st);
+}
+
+int link(const char* n1, const char* n2)
+{
+    return _link_r(__getreent(), n1, n2);
+}
+
+int rename(const char *src, const char *dst)
+{
+    return _rename_r(__getreent(), src, dst);
+}
+
+int isatty(int fd)
+{
+    struct stat buf;
+
+    if (_fstat_r(__getreent(), fd, &buf) < 0) {
+        return 0;
+    }
+
+    if (S_ISCHR(buf.st_mode)) {
+        return 1;
+    }
+
+    return 0;
+}
+
+int fcntl(int fd, int cmd, ...)
+{
+    va_list args;
+    va_start(args, cmd);
+    int arg = va_arg(args, int);
+    va_end(args);
+    return _fcntl_r(__getreent(), fd, cmd, arg);
+}
+
+#endif // CONFIG_LIBC_PICOLIBC
+
+void _exit(int __status)
+{
+    abort();
+}
+
+int fstat(int fd, struct stat *st)
+{
+    return _fstat_r(__getreent(), fd, st);
+}
+
+#if CONFIG_SPIRAM_CACHE_LIBMISC_IN_IRAM
+IRAM_ATTR
+#endif
+int raise(int sig)
+{
+    return _raise_r(__getreent(), sig);
+}
+
+#if CONFIG_SPIRAM_CACHE_LIBMISC_IN_IRAM
+IRAM_ATTR
+#endif
+int system(const char* str)
+{
+    return _system_r(__getreent(), str);
+}
+
+#if CONFIG_IDF_TOOLCHAIN_GCC
+int statvfs(const char *restrict path, struct statvfs *restrict buf)
+{
+    /* TODO IDF-9879 */
+    errno = ENOSYS;
+    return -1;
+}
+
+int fstatvfs(int fd, struct statvfs *buf)
+{
+    /* TODO IDF-9879 */
+    errno = ENOSYS;
+    return -1;
+}
+#endif
+
+void esp_libc_include_syscalls_impl(void)
+{
+}