diff options
Diffstat (limited to 'elf')
| -rw-r--r-- | elf/dl-close.c | 30 | ||||
| -rw-r--r-- | elf/tst-global1.c | 36 | ||||
| -rw-r--r-- | elf/unload3.c | 41 | ||||
| -rw-r--r-- | elf/unload3mod1.c | 1 | ||||
| -rw-r--r-- | elf/unload3mod2.c | 1 | ||||
| -rw-r--r-- | elf/unload3mod3.c | 8 | ||||
| -rw-r--r-- | elf/unload3mod4.c | 11 |
7 files changed, 98 insertions, 30 deletions
diff --git a/elf/dl-close.c b/elf/dl-close.c index eb5e805dd4..7ad486a5a2 100644 --- a/elf/dl-close.c +++ b/elf/dl-close.c @@ -351,36 +351,6 @@ _dl_close (void *_map) } assert (found); } - else if (new_opencount[i] != 0 && imap->l_type == lt_loaded - && imap->l_searchlist.r_list == NULL - && imap->l_initfini != NULL) - { - /* The object is still used. But the object we are - unloading right now is responsible for loading it. If - the current object does not have it's own scope yet we - have to create one. This has to be done before running - the finalizers. - - To do this count the number of dependencies. */ - unsigned int cnt; - for (cnt = 1; imap->l_initfini[cnt] != NULL; ++cnt) - if (imap->l_initfini[cnt]->l_idx >= i - && imap->l_initfini[cnt]->l_idx < nopencount) - ++new_opencount[imap->l_initfini[cnt]->l_idx]; - else - ++imap->l_initfini[cnt]->l_opencount; - - /* We simply reuse the l_initfini list. */ - imap->l_searchlist.r_list = &imap->l_initfini[cnt + 1]; - imap->l_searchlist.r_nlist = cnt; - - for (cnt = 0; imap->l_scope[cnt] != NULL; ++cnt) - if (imap->l_scope[cnt] == &map->l_searchlist) - { - imap->l_scope[cnt] = &imap->l_searchlist; - break; - } - } /* Store the new l_opencount value. */ imap->l_opencount = new_opencount[i]; diff --git a/elf/tst-global1.c b/elf/tst-global1.c new file mode 100644 index 0000000000..1611b51b67 --- /dev/null +++ b/elf/tst-global1.c @@ -0,0 +1,36 @@ +#include <dlfcn.h> +#include <stdio.h> + +int +main (void) +{ + void *h1 = dlopen ("$ORIGIN/testobj6.so", RTLD_GLOBAL|RTLD_LAZY); + if (h1 == NULL) + { + puts ("cannot open testobj6"); + return 1; + } + + void *h2 = dlopen ("$ORIGIN/testobj2.so", + RTLD_GLOBAL|RTLD_DEEPBIND|RTLD_LAZY); + if (h2 == NULL) + { + puts ("cannot open testobj2"); + return 1; + } + + dlclose (h1); + + void (*f) (void) = dlsym (h2, "p"); + if (f == NULL) + { + puts ("cannot find p"); + return 1; + } + + f (); + + dlclose (h2); + + return 0; +} diff --git a/elf/unload3.c b/elf/unload3.c new file mode 100644 index 0000000000..6f1af707e6 --- /dev/null +++ b/elf/unload3.c @@ -0,0 +1,41 @@ +#include <dlfcn.h> +#include <stdio.h> + +int +main (void) +{ + void *g = dlopen ("unload3mod1.so", RTLD_GLOBAL | RTLD_NOW); + void *h = dlopen ("unload3mod2.so", RTLD_GLOBAL | RTLD_NOW); + if (g == NULL || h == NULL) + { + printf ("dlopen unload3mod{1,2}.so failed: %p %p\n", g, h); + return 1; + } + dlclose (h); + dlclose (g); + + g = dlopen ("unload3mod3.so", RTLD_GLOBAL | RTLD_NOW); + h = dlopen ("unload3mod4.so", RTLD_GLOBAL | RTLD_NOW); + if (g == NULL || h == NULL) + { + printf ("dlopen unload3mod{3,4}.so failed: %p %p\n", g, h); + return 1; + } + + int (*fn) (int); + fn = dlsym (h, "bar"); + if (fn == NULL) + { + puts ("dlsym failed"); + return 1; + } + + int val = fn (16); + if (val != 24) + { + printf ("bar returned %d != 24\n", val); + return 1; + } + + return 0; +} diff --git a/elf/unload3mod1.c b/elf/unload3mod1.c new file mode 100644 index 0000000000..e886b11c18 --- /dev/null +++ b/elf/unload3mod1.c @@ -0,0 +1 @@ +int dummy1; diff --git a/elf/unload3mod2.c b/elf/unload3mod2.c new file mode 100644 index 0000000000..03252a523b --- /dev/null +++ b/elf/unload3mod2.c @@ -0,0 +1 @@ +int dummy2; diff --git a/elf/unload3mod3.c b/elf/unload3mod3.c new file mode 100644 index 0000000000..046022c55d --- /dev/null +++ b/elf/unload3mod3.c @@ -0,0 +1,8 @@ +#include <stdio.h> + +int +foo (int x) +{ + puts ("foo"); + return x * 2; +} diff --git a/elf/unload3mod4.c b/elf/unload3mod4.c new file mode 100644 index 0000000000..4586ff7383 --- /dev/null +++ b/elf/unload3mod4.c @@ -0,0 +1,11 @@ +#include <stdio.h> + +int +bar (int x) +{ + puts ("bar"); + fflush (stdout); + x = foo (x - 4); + puts ("bar after foo"); + return x; +} |