diff options
| -rw-r--r-- | ChangeLog | 13 | ||||
| -rw-r--r-- | NEWS | 6 | ||||
| -rw-r--r-- | elf/Makefile | 5 | ||||
| -rw-r--r-- | elf/dl-lookup.c | 47 | ||||
| -rw-r--r-- | elf/tst-unique4.cc | 27 | ||||
| -rw-r--r-- | elf/tst-unique4.h | 7 | ||||
| -rw-r--r-- | elf/tst-unique4lib.cc | 17 |
7 files changed, 91 insertions, 31 deletions
@@ -1,3 +1,16 @@ +2011-05-12 Ulrich Drepper <drepper@gmail.com> + + [BZ #12511] + * elf/dl-lookup.c (enter): Don't test for copy relocation here and + don't set DF_1_NODELETE here. + (do_lookup_x): When entering new entry test for copy relocation + and if necessary set DF_1_NODELETE flag. + * elf/tst-unique4.cc: New file. + * elf/tst-unique4.h: New file. + * elf/tst-unique4lib.cc: New file. + * elf/Makefile: Add rules to build and run tst-unique4. + Patch by Piotr Bury <pbury@goahead.com>. + 2011-05-11 Ulrich Drepper <drepper@gmail.com> [BZ #12052] @@ -11,9 +11,9 @@ Version 2.14 386, 11257, 11258, 11487, 11532, 11578, 11653, 11668, 11724, 11945, 11947, 12052, 12158, 12178, 12200, 12346, 12393, 12420, 12445, 12449, 12454, - 12460, 12469, 12489, 12509, 12510, 12518, 12527, 12541, 12545, 12551, - 12583, 12587, 12597, 12611, 12625, 12631, 12650, 12653, 12655, 12660, - 12681, 12685, 12711, 12713, 12714, 12717, 12723, 12734, 12738 + 12460, 12469, 12489, 12509, 12510, 12511, 12518, 12527, 12541, 12545, + 12551, 12583, 12587, 12597, 12611, 12625, 12631, 12650, 12653, 12655, + 12660, 12681, 12685, 12711, 12713, 12714, 12717, 12723, 12734, 12738 * The RPC implementation in libc is obsoleted. Old programs keep working but new programs cannot be linked with the routines in libc anymore. diff --git a/elf/Makefile b/elf/Makefile index 56cb1b1..a18c1cd 100644 --- a/elf/Makefile +++ b/elf/Makefile @@ -201,7 +201,7 @@ tests += loadtest restest1 preloadtest loadfail multiload origtest resolvfail \ unload3 unload4 unload5 unload6 unload7 tst-global1 order2 \ tst-audit1 tst-audit2 \ tst-stackguard1 tst-addr1 tst-thrlock \ - tst-unique1 tst-unique2 tst-unique3 \ + tst-unique1 tst-unique2 tst-unique3 tst-unique4 \ tst-initorder # reldep9 test-srcs = tst-pathopt @@ -259,6 +259,7 @@ modules-names = testobj1 testobj2 testobj3 testobj4 testobj5 testobj6 \ tst-unique1mod1 tst-unique1mod2 \ tst-unique2mod1 tst-unique2mod2 \ tst-unique3lib tst-unique3lib2 \ + tst-unique4lib \ tst-initordera1 tst-initorderb1 \ tst-initordera2 tst-initorderb2 \ tst-initordera3 tst-initordera4 @@ -1185,6 +1186,8 @@ $(objpfx)tst-unique2.out: $(objpfx)tst-unique2mod2.so $(objpfx)tst-unique3: $(libdl) $(objpfx)tst-unique3lib.so $(objpfx)tst-unique3.out: $(objpfx)tst-unique3lib2.so +$(objpfx)tst-unique4: $(objpfx)tst-unique4lib.so + $(objpfx)tst-initorder.out: $(objpfx)tst-initorder $(elf-objpfx)${rtld-installed-name} \ --library-path $(rpath-link)$(patsubst %,:%,$(sysdep-library-path)) \ diff --git a/elf/dl-lookup.c b/elf/dl-lookup.c index 19b27d7..affb53f 100644 --- a/elf/dl-lookup.c +++ b/elf/dl-lookup.c @@ -312,39 +312,21 @@ do_lookup_x (const char *undef_name, uint_fast32_t new_hash, definition we have to use it. */ void enter (struct unique_sym *table, size_t size, unsigned int hash, const char *name, - const ElfW(Sym) *sym, struct link_map *map) + const ElfW(Sym) *sym, const struct link_map *map) { size_t idx = hash % size; size_t hash2 = 1 + hash % (size - 2); - while (1) + while (table[idx].name != NULL) { - if (table[idx].name == NULL) - { - table[idx].hashval = hash; - table[idx].name = name; - if ((type_class & ELF_RTYPE_CLASS_COPY) != 0) - { - table[idx].sym = ref; - table[idx].map = undef_map; - } - else - { - table[idx].sym = sym; - table[idx].map = map; - - if (map->l_type == lt_loaded) - /* Make sure we don't unload this object by - setting the appropriate flag. */ - map->l_flags_1 |= DF_1_NODELETE; - } - - return; - } - idx += hash2; if (idx >= size) idx -= size; } + + table[idx].hashval = hash; + table[idx].name = name; + table[idx].sym = sym; + table[idx].map = map; } struct unique_sym_table *tab @@ -450,8 +432,19 @@ do_lookup_x (const char *undef_name, uint_fast32_t new_hash, tab->free = free; } - enter (entries, size, new_hash, strtab + sym->st_name, sym, - (struct link_map *) map); + if ((type_class & ELF_RTYPE_CLASS_COPY) != 0) + enter (entries, size, new_hash, strtab + sym->st_name, ref, + undef_map); + else + { + enter (entries, size, new_hash, strtab + sym->st_name, sym, + map); + + if (map->l_type == lt_loaded) + /* Make sure we don't unload this object by + setting the appropriate flag. */ + ((struct link_map *) map)->l_flags_1 |= DF_1_NODELETE; + } ++tab->n_elements; __rtld_lock_unlock_recursive (tab->lock); diff --git a/elf/tst-unique4.cc b/elf/tst-unique4.cc new file mode 100644 index 0000000..9eaa909 --- /dev/null +++ b/elf/tst-unique4.cc @@ -0,0 +1,27 @@ +// BZ 12511 +#include "tst-unique4.h" +#include <cstdio> + +static int a[24] = + { + S<1>::i, S<2>::i, S<3>::i, S<4>::i, S<5>::i, S<6>::i, S<7>::i, S<8>::i, + S<9>::i, S<10>::i, S<11>::i, S<12>::i, S<13>::i, S<14>::i, S<15>::i, + S<16>::i, S<17>::i, S<18>::i, S<19>::i, S<20>::i, S<21>::i, S<22>::i, + S<23>::i, S<24>::i + }; + +int +main (void) +{ + int result = 0; + for (int i = 0; i < 24; ++i) + { + printf("%d ", a[i]); + result |= a[i] != i + 1; + } + + printf("\n%d\n", S<1>::j); + result |= S<1>::j != -1; + + return result; +} diff --git a/elf/tst-unique4.h b/elf/tst-unique4.h new file mode 100644 index 0000000..2d377f5 --- /dev/null +++ b/elf/tst-unique4.h @@ -0,0 +1,7 @@ +// BZ 12511 +template<int N> +struct S +{ + static int i; + static const int j; +}; diff --git a/elf/tst-unique4lib.cc b/elf/tst-unique4lib.cc new file mode 100644 index 0000000..c9fdf9c --- /dev/null +++ b/elf/tst-unique4lib.cc @@ -0,0 +1,17 @@ +// BZ 12511 +#include "tst-unique4.h" + +template<int N> +int S<N>::i = N; +template<int N> +const int S<N>::j __attribute__ ((used)) = -1; + +static int a[24] = + { + S<1>::i, S<2>::i, S<3>::i, S<4>::i, S<5>::i, S<6>::i, S<7>::i, S<8>::i, + S<9>::i, S<10>::i, S<11>::i, S<12>::i, S<13>::i, S<14>::i, S<15>::i, + S<16>::i, S<17>::i, S<18>::i, S<19>::i, S<20>::i, S<21>::i, S<22>::i, + S<23>::i, S<24>::i + }; + +static int b = S<1>::j; |