Index: fusl/src/internal/vis.h |
diff --git a/fusl/src/internal/vis.h b/fusl/src/internal/vis.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..8414179e6054be516cd678e3f867642535678161 |
--- /dev/null |
+++ b/fusl/src/internal/vis.h |
@@ -0,0 +1,27 @@ |
+/* This file is only used if enabled in the build system, in which case it is |
+ * included automatically via command line options. It is not included |
+ * explicitly by any source files or other headers. Its purpose is to |
+ * override default visibilities to reduce the size and performance costs |
+ * of position-independent code. */ |
+ |
+#ifndef CRT |
+ |
+/* Conceptually, all symbols should be protected, but some toolchains |
+ * fail to support copy relocations for protected data, so exclude all |
+ * exported data symbols. */ |
+ |
+__attribute__((__visibility__("default"))) |
+extern struct _IO_FILE *const stdin, *const stdout, *const stderr; |
+ |
+__attribute__((__visibility__("default"))) |
+extern int optind, opterr, optopt, optreset, __optreset, getdate_err, h_errno, daylight, __daylight, signgam, __signgam; |
+ |
+__attribute__((__visibility__("default"))) |
+extern long timezone, __timezone; |
+ |
+__attribute__((__visibility__("default"))) |
+extern char *optarg, **environ, **__environ, *tzname[2], *__tzname[2], *__progname, *__progname_full; |
+ |
+#pragma GCC visibility push(protected) |
+ |
+#endif |