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https://sourceware.org/git/glibc.git
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2.5-18.1
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@ -1,5 +1,5 @@
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/* Load the dependencies of a mapped object.
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Copyright (C) 1996-2003, 2004 Free Software Foundation, Inc.
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Copyright (C) 1996-2003, 2004, 2005, 2006 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -92,7 +92,7 @@ struct list
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{
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int done; /* Nonzero if this map was processed. */
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struct link_map *map; /* The data. */
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struct list *next; /* Elements for normal list. */
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struct list *next; /* Elements for normal list. */
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};
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@ -101,9 +101,9 @@ struct list
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({ \
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const char *__str = (str); \
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const char *__result = __str; \
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size_t __cnt = DL_DST_COUNT(__str, 0); \
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size_t __dst_cnt = DL_DST_COUNT (__str, 0); \
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\
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if (__cnt != 0) \
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if (__dst_cnt != 0) \
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{ \
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char *__newp; \
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\
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@ -113,9 +113,9 @@ struct list
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DST not allowed in SUID/SGID programs")); \
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\
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__newp = (char *) alloca (DL_DST_REQUIRED (l, __str, strlen (__str), \
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__cnt)); \
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__dst_cnt)); \
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\
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__result = _dl_dst_substitute (l, __str, __newp, 0); \
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__result = _dl_dst_substitute (l, __str, __newp, 0); \
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\
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if (*__result == '\0') \
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{ \
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@ -235,16 +235,23 @@ _dl_map_object_deps (struct link_map *map,
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{
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/* Map in the needed object. */
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struct link_map *dep;
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int err;
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/* Recognize DSTs. */
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name = expand_dst (l, strtab + d->d_un.d_val, 0);
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/* Store the tag in the argument structure. */
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args.name = name;
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err = _dl_catch_error (&objname, &errstring, openaux, &args);
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bool malloced;
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int err = _dl_catch_error (&objname, &errstring, &malloced,
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openaux, &args);
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if (__builtin_expect (errstring != NULL, 0))
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{
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char *new_errstring = strdupa (errstring);
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objname = strdupa (objname);
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if (malloced)
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free ((char *) errstring);
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errstring = new_errstring;
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if (err)
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errno_reason = err;
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else
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@ -288,8 +295,6 @@ _dl_map_object_deps (struct link_map *map,
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if (d->d_tag == DT_AUXILIARY)
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{
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int err;
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/* Say that we are about to load an auxiliary library. */
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if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_LIBS,
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0))
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@ -301,13 +306,14 @@ _dl_map_object_deps (struct link_map *map,
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/* We must be prepared that the addressed shared
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object is not available. */
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err = _dl_catch_error (&objname, &errstring, openaux,
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&args);
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bool malloced;
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(void) _dl_catch_error (&objname, &errstring, &malloced,
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openaux, &args);
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if (__builtin_expect (errstring != NULL, 0))
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{
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/* We are not interested in the error message. */
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assert (errstring != NULL);
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if (errstring != INTUSE(_dl_out_of_memory))
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if (malloced)
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free ((char *) errstring);
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/* Simply ignore this error and continue the work. */
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@ -316,8 +322,6 @@ _dl_map_object_deps (struct link_map *map,
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}
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else
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{
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int err;
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/* Say that we are about to load an auxiliary library. */
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if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_LIBS,
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0))
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@ -328,10 +332,17 @@ _dl_map_object_deps (struct link_map *map,
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? l->l_name : rtld_progname);
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/* For filter objects the dependency must be available. */
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err = _dl_catch_error (&objname, &errstring, openaux,
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&args);
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bool malloced;
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int err = _dl_catch_error (&objname, &errstring, &malloced,
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openaux, &args);
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if (__builtin_expect (errstring != NULL, 0))
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{
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char *new_errstring = strdupa (errstring);
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objname = strdupa (objname);
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if (malloced)
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free ((char *) errstring);
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errstring = new_errstring;
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if (err)
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errno_reason = err;
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else
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@ -566,8 +577,6 @@ Filters not supported with LD_TRACE_PRELINKING"));
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{
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/* A direct or transitive dependency is also on the list
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of relocation dependencies. Remove the latter. */
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--map->l_reldeps[i]->l_opencount;
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for (j = i + 1; j < map->l_reldepsact; ++j)
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map->l_reldeps[j - 1] = map->l_reldeps[j];
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