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| author | H.J. Lu <hjl.tools@gmail.com> | 2020-07-12 06:04:53 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2021-01-15 05:59:10 -0800 |
| commit | 86f65dffc2396d408beb628f1cad2b8f63e197bd (patch) | |
| tree | 70d71a492800a6b4838ff2232ecc315d353a469b /elf/rtld.c | |
| parent | cc528f9a7e51f769ea79a9c413af417671bcc695 (diff) | |
| download | glibc-86f65dffc2396d408beb628f1cad2b8f63e197bd.tar.gz glibc-86f65dffc2396d408beb628f1cad2b8f63e197bd.tar.xz glibc-86f65dffc2396d408beb628f1cad2b8f63e197bd.zip | |
ld.so: Add --list-tunables to print tunable values
Pass --list-tunables to ld.so to print tunables with min and max values. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Diffstat (limited to 'elf/rtld.c')
| -rw-r--r-- | elf/rtld.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/elf/rtld.c b/elf/rtld.c index 8d9add90e3..596b6ac3d9 100644 --- a/elf/rtld.c +++ b/elf/rtld.c @@ -50,6 +50,7 @@ #include <dl-main.h> #include <list.h> #include <gnu/lib-names.h> +#include <dl-tunables.h> #include <assert.h> @@ -1276,6 +1277,16 @@ dl_main (const ElfW(Phdr) *phdr, _dl_argc -= 2; _dl_argv += 2; } +#if HAVE_TUNABLES + else if (! strcmp (_dl_argv[1], "--list-tunables")) + { + state.mode = rtld_mode_list_tunables; + + ++_dl_skip_args; + --_dl_argc; + ++_dl_argv; + } +#endif else if (strcmp (_dl_argv[1], "--help") == 0) { state.mode = rtld_mode_help; @@ -1296,6 +1307,14 @@ dl_main (const ElfW(Phdr) *phdr, else break; +#if HAVE_TUNABLES + if (__glibc_unlikely (state.mode == rtld_mode_list_tunables)) + { + __tunables_print (); + _exit (0); + } +#endif + /* If we have no further argument the program was called incorrectly. Grant the user some education. */ if (_dl_argc < 2) |