/* Information collection during ld.so startup.
- Copyright (C) 1995-2020 Free Software Foundation, Inc.
+ Copyright (C) 1995-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
#ifndef _DL_MAIN
#define _DL_MAIN
+#include <ldsodefs.h>
#include <limits.h>
+#include <stdlib.h>
/* Length limits for names and paths, to protect the dynamic linker,
particularly when __libc_enable_secure is active. */
enum rtld_mode
{
rtld_mode_normal, rtld_mode_list, rtld_mode_verify, rtld_mode_trace,
+ rtld_mode_list_tunables, rtld_mode_list_diagnostics, rtld_mode_help,
};
/* Aggregated state information extracted from environment variables
/* The library search path. */
const char *library_path;
+ /* Where library_path comes from. LD_LIBRARY_PATH or --library-path. */
+ const char *library_path_source;
+
/* The list preloaded objects from LD_PRELOAD. */
const char *preloadlist;
/* The preload list passed as a command argument. */
const char *preloadarg;
+ /* Additional glibc-hwcaps subdirectories to search first.
+ Colon-separated list. */
+ const char *glibc_hwcaps_prepend;
+
+ /* Mask for the internal glibc-hwcaps subdirectories.
+ Colon-separated list. */
+ const char *glibc_hwcaps_mask;
+
enum rtld_mode mode;
- /* True if any of the debugging options is enabled. */
- bool any_debug;
+ /* True if program should be also printed for rtld_mode_trace. */
+ bool mode_trace_program;
/* True if information about versions has to be printed. */
bool version_info;
static inline void
call_init_paths (const struct dl_main_state *state)
{
- _dl_init_paths (state->library_path);
+ _dl_init_paths (state->library_path, state->library_path_source,
+ state->glibc_hwcaps_prepend, state->glibc_hwcaps_mask);
}
+/* Print ld.so usage information and exit. */
+_Noreturn void _dl_usage (const char *argv0, const char *wrong_option)
+ attribute_hidden;
+
+/* Print ld.so version information and exit. */
+_Noreturn void _dl_version (void) attribute_hidden;
+
+/* Print ld.so --help output and exit. */
+_Noreturn void _dl_help (const char *argv0, struct dl_main_state *state)
+ attribute_hidden;
+
+/* Print a diagnostics dump. */
+_Noreturn void _dl_print_diagnostics (char **environ) attribute_hidden;
+
#endif /* _DL_MAIN */