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| author | Florian Weimer <fweimer@redhat.com> | 2021-03-02 14:38:42 +0100 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2021-03-02 14:39:24 +0100 |
| commit | 851f32cf7bf7067f73b991610778915edd57d7b4 (patch) | |
| tree | 872288e8f663ef64124423379cce7889ed077ae0 /elf/rtld.c | |
| parent | 40d055a2ddc86b76d4887e548ed20e40761102b1 (diff) | |
| download | glibc-851f32cf7bf7067f73b991610778915edd57d7b4.tar glibc-851f32cf7bf7067f73b991610778915edd57d7b4.tar.gz glibc-851f32cf7bf7067f73b991610778915edd57d7b4.tar.bz2 glibc-851f32cf7bf7067f73b991610778915edd57d7b4.zip | |
ld.so: Implement the --list-diagnostics option
Diffstat (limited to 'elf/rtld.c')
| -rw-r--r-- | elf/rtld.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/elf/rtld.c b/elf/rtld.c index 596b6ac3d9..94a00e2049 100644 --- a/elf/rtld.c +++ b/elf/rtld.c @@ -141,6 +141,7 @@ static void dl_main_state_init (struct dl_main_state *state); /* Process all environments variables the dynamic linker must recognize. Since all of them start with `LD_' we are a bit smarter while finding all the entries. */ +extern char **_environ attribute_hidden; static void process_envvars (struct dl_main_state *state); #ifdef DL_ARGV_NOT_RELRO @@ -1287,6 +1288,14 @@ dl_main (const ElfW(Phdr) *phdr, ++_dl_argv; } #endif + else if (! strcmp (_dl_argv[1], "--list-diagnostics")) + { + state.mode = rtld_mode_list_diagnostics; + + ++_dl_skip_args; + --_dl_argc; + ++_dl_argv; + } else if (strcmp (_dl_argv[1], "--help") == 0) { state.mode = rtld_mode_help; @@ -1315,6 +1324,9 @@ dl_main (const ElfW(Phdr) *phdr, } #endif + if (state.mode == rtld_mode_list_diagnostics) + _dl_print_diagnostics (_environ); + /* If we have no further argument the program was called incorrectly. Grant the user some education. */ if (_dl_argc < 2) @@ -2649,12 +2661,6 @@ a filename can be specified using the LD_DEBUG_OUTPUT environment variable.\n"); } } -/* Process all environments variables the dynamic linker must recognize. - Since all of them start with `LD_' we are a bit smarter while finding - all the entries. */ -extern char **_environ attribute_hidden; - - static void process_envvars (struct dl_main_state *state) { |