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Diffstat (limited to 'elf/dl-lookup.c')
-rw-r--r--elf/dl-lookup.c45
1 files changed, 32 insertions, 13 deletions
diff --git a/elf/dl-lookup.c b/elf/dl-lookup.c
index f2cd981883..b994ef711b 100644
--- a/elf/dl-lookup.c
+++ b/elf/dl-lookup.c
@@ -229,15 +229,20 @@ _dl_lookup_symbol (const char *undef_name, const ElfW(Sym) **ref,
{
if (*ref == NULL || ELFW(ST_BIND) ((*ref)->st_info) != STB_WEAK)
/* We could find no value for a strong reference. */
- _dl_signal_error (0, reference_name,
+ _dl_signal_error (0, (reference_name && reference_name[0]
+ ? reference_name
+ : (_dl_argv[0] ?: "<main program>")),
make_string (undefined_msg, undef_name));
*ref = NULL;
return 0;
}
if (_dl_debug_bindings)
- _dl_debug_message (1, "binding file ", reference_name, " to ",
- current_value.m->l_name[0]
+ _dl_debug_message (1, "binding file ",
+ (reference_name && reference_name[0]
+ ? reference_name
+ : (_dl_argv[0] ?: "<main program>")),
+ " to ", current_value.m->l_name[0]
? current_value.m->l_name : _dl_argv[0],
": symbol `", undef_name, "'\n", NULL);
@@ -281,10 +286,13 @@ _dl_lookup_symbol_skip (const char *undef_name, const ElfW(Sym) **ref,
}
if (_dl_debug_bindings)
- _dl_debug_message (1, "binding file ", reference_name, " to ",
- current_value.m->l_name[0]
+ _dl_debug_message (1, "binding file ",
+ (reference_name && reference_name[0]
+ ? reference_name
+ : (_dl_argv[0] ?: "<main program>")),
+ " to ", current_value.m->l_name[0]
? current_value.m->l_name : _dl_argv[0],
- ": symbol `", undef_name, "'\n", NULL);
+ ": symbol `", undef_name, "' (skip)\n", NULL);
*ref = current_value.s;
return current_value.m->l_addr;
@@ -318,7 +326,7 @@ _dl_lookup_versioned_symbol (const char *undef_name, const ElfW(Sym) **ref,
if (res < 0)
/* Oh, oh. The file named in the relocation entry does not
contain the needed symbol. */
- _dl_signal_error (0, (*reference_name
+ _dl_signal_error (0, (reference_name && reference_name[0]
? reference_name
: (_dl_argv[0] ?: "<main program>")),
make_string ("symbol ", undef_name, ", version ",
@@ -334,7 +342,9 @@ _dl_lookup_versioned_symbol (const char *undef_name, const ElfW(Sym) **ref,
{
if (*ref == NULL || ELFW(ST_BIND) ((*ref)->st_info) != STB_WEAK)
/* We could find no value for a strong reference. */
- _dl_signal_error (0, reference_name,
+ _dl_signal_error (0, (reference_name && reference_name[0]
+ ? reference_name
+ : (_dl_argv[0] ?: "<main program>")),
make_string (undefined_msg, undef_name,
", version ", version->name ?: NULL));
*ref = NULL;
@@ -342,8 +352,11 @@ _dl_lookup_versioned_symbol (const char *undef_name, const ElfW(Sym) **ref,
}
if (_dl_debug_bindings)
- _dl_debug_message (1, "binding file ", reference_name, " to ",
- current_value.m->l_name[0]
+ _dl_debug_message (1, "binding file ",
+ (reference_name && reference_name[0]
+ ? reference_name
+ : (_dl_argv[0] ?: "<main program>")),
+ " to ", current_value.m->l_name[0]
? current_value.m->l_name : _dl_argv[0],
": symbol `", undef_name, "' [", version->name,
"]\n", NULL);
@@ -389,18 +402,24 @@ _dl_lookup_versioned_symbol_skip (const char *undef_name,
char buf[sizeof undefined_msg + len];
__mempcpy (__mempcpy (buf, undefined_msg, sizeof undefined_msg - 1),
undef_name, len + 1);
- _dl_signal_error (0, reference_name, buf);
+ _dl_signal_error (0, (reference_namee && reference_name[0]
+ ? reference_name
+ : (_dl_argv[0] ?: "<main program>")), buf);
}
*ref = NULL;
return 0;
}
if (_dl_debug_bindings)
- _dl_debug_message (1, "binding file ", reference_name, " to ",
+ _dl_debug_message (1, "binding file ",
+ (reference_name && reference_name[0]
+ ? reference_name
+ : (_dl_argv[0] ?: "<main program>")),
+ " to ",
current_value.m->l_name[0]
? current_value.m->l_name : _dl_argv[0],
": symbol `", undef_name, "' [", version->name,
- "]\n", NULL);
+ "] (skip)\n", NULL);
*ref = current_value.s;
return current_value.m->l_addr;