diff options
Diffstat (limited to 'elf')
| -rw-r--r-- | elf/Makefile | 7 | ||||
| -rw-r--r-- | elf/tst-tls8.c | 174 | ||||
| -rw-r--r-- | elf/tst-tlsmod3.c | 3 | ||||
| -rw-r--r-- | elf/tst-tlsmod4.c | 33 |
4 files changed, 214 insertions, 3 deletions
diff --git a/elf/Makefile b/elf/Makefile index b22f3afae3..595a0a7f39 100644 --- a/elf/Makefile +++ b/elf/Makefile @@ -119,7 +119,7 @@ tests = loadtest restest1 preloadtest loadfail multiload origtest resolvfail \ $(tests-nodlopen-$(have-z-nodlopen)) neededtest neededtest2 \ neededtest3 neededtest4 unload2 lateglobal initfirst global \ restest2 next dblload dblunload reldep5 reldep6 tst-tls1 tst-tls2 \ - tst-tls3 tst-tls4 tst-tls5 tst-tls6 tst-tls7 + tst-tls3 tst-tls4 tst-tls5 tst-tls6 tst-tls7 tst-tls8 test-srcs = tst-pathopt tests-vis-yes = vismain tests-nodelete-yes = nodelete @@ -137,7 +137,7 @@ modules-names = testobj1 testobj2 testobj3 testobj4 testobj5 testobj6 \ unload2mod unload2dep ltglobmod1 ltglobmod2 pathoptobj \ dblloadmod1 dblloadmod2 dblloadmod3 reldepmod5 reldepmod6 \ reldep6mod0 reldep6mod1 reldep6mod2 reldep6mod3 reldep6mod4 \ - tst-tlsmod1 tst-tlsmod2 tst-tlsmod3 + tst-tlsmod1 tst-tlsmod2 tst-tlsmod3 tst-tlsmod4 modules-vis-yes = vismod1 vismod2 vismod3 modules-nodelete-yes = nodelmod1 nodelmod2 nodelmod3 nodelmod4 modules-nodlopen-yes = nodlopenmod nodlopenmod2 @@ -455,3 +455,6 @@ $(objpfx)tst-tls6.out: $(objpfx)tst-tlsmod2.so $(objpfx)tst-tls7: $(libdl) $(objpfx)tst-tls7.out: $(objpfx)tst-tlsmod3.so + +$(objpfx)tst-tls8: $(libdl) +$(objpfx)tst-tls8.out: $(objpfx)tst-tlsmod3.so $(objpfx)tst-tlsmod4.so diff --git a/elf/tst-tls8.c b/elf/tst-tls8.c new file mode 100644 index 0000000000..971ee565cb --- /dev/null +++ b/elf/tst-tls8.c @@ -0,0 +1,174 @@ +#include <dlfcn.h> +#include <stdio.h> +#include <stdlib.h> + +#include <link.h> +#include <tls.h> + + +#define TEST_FUNCTION do_test () +static int +do_test (void) +{ +#ifdef USE_TLS + static const char modname1[] = "tst-tlsmod3.so"; + static const char modname2[] = "tst-tlsmod4.so"; + int result = 0; + int (*fp1) (void); + int (*fp2) (int, int *); + void *h1; + void *h2; + int i; + int modid1 = -1; + int modid2 = -1; + int *bazp; + + for (i = 0; i < 10; ++i) + { + h1 = dlopen (modname1, RTLD_LAZY); + if (h1 == NULL) + { + printf ("cannot open '%s': %s\n", modname1, dlerror ()); + exit (1); + } + + /* Dirty test code here: we peek into a private data structure. + We make sure that the module gets assigned the same ID every + time. The value of the first round is used. */ + if (modid1 == -1) + modid1 = ((struct link_map *) h1)->l_tls_modid; + else if (((struct link_map *) h1)->l_tls_modid != modid1) + { + printf ("round %d: modid now %d, initially %d\n", + i, ((struct link_map *) h1)->l_tls_modid, modid1); + result = 1; + } + + fp1 = dlsym (h1, "in_dso2"); + if (fp1 == NULL) + { + printf ("cannot get symbol 'in_dso2' in %s\n", modname1); + exit (1); + } + + result |= fp1 (); + + + + h2 = dlopen (modname2, RTLD_LAZY); + if (h2 == NULL) + { + printf ("cannot open '%s': %s\n", modname2, dlerror ()); + exit (1); + } + + /* Dirty test code here: we peek into a private data structure. + We make sure that the module gets assigned the same ID every + time. The value of the first round is used. */ + if (modid2 == -1) + modid2 = ((struct link_map *) h1)->l_tls_modid; + else if (((struct link_map *) h1)->l_tls_modid != modid2) + { + printf ("round %d: modid now %d, initially %d\n", + i, ((struct link_map *) h1)->l_tls_modid, modid2); + result = 1; + } + + bazp = dlsym (h2, "baz"); + if (bazp == NULL) + { + printf ("cannot get symbol 'baz' in %s\n", modname2); + exit (1); + } + + *bazp = 42 + i; + + fp2 = dlsym (h2, "in_dso"); + if (fp2 == NULL) + { + printf ("cannot get symbol 'in_dso' in %s\n", modname2); + exit (1); + } + + result |= fp2 (42 + i, bazp); + + dlclose (h1); + dlclose (h2); + + + h1 = dlopen (modname1, RTLD_LAZY); + if (h1 == NULL) + { + printf ("cannot open '%s': %s\n", modname1, dlerror ()); + exit (1); + } + + /* Dirty test code here: we peek into a private data structure. + We make sure that the module gets assigned the same ID every + time. The value of the first round is used. */ + if (((struct link_map *) h1)->l_tls_modid != modid1) + { + printf ("round %d: modid now %d, initially %d\n", + i, ((struct link_map *) h1)->l_tls_modid, modid1); + result = 1; + } + + fp1 = dlsym (h1, "in_dso2"); + if (fp1 == NULL) + { + printf ("cannot get symbol 'in_dso2' in %s\n", modname1); + exit (1); + } + + result |= fp1 (); + + + + h2 = dlopen (modname2, RTLD_LAZY); + if (h2 == NULL) + { + printf ("cannot open '%s': %s\n", modname2, dlerror ()); + exit (1); + } + + /* Dirty test code here: we peek into a private data structure. + We make sure that the module gets assigned the same ID every + time. The value of the first round is used. */ + if (((struct link_map *) h1)->l_tls_modid != modid2) + { + printf ("round %d: modid now %d, initially %d\n", + i, ((struct link_map *) h1)->l_tls_modid, modid2); + result = 1; + } + + bazp = dlsym (h2, "baz"); + if (bazp == NULL) + { + printf ("cannot get symbol 'baz' in %s\n", modname2); + exit (1); + } + + *bazp = 62 + i; + + fp2 = dlsym (h2, "in_dso"); + if (fp2 == NULL) + { + printf ("cannot get symbol 'in_dso' in %s\n", modname2); + exit (1); + } + + result |= fp2 (62 + i, bazp); + + /* This time the dlclose calls are in reverse order. */ + dlclose (h2); + dlclose (h1); + } + + return result; +#else + return 0; +#endif +} + + +#include "../test-skeleton.c" diff --git a/elf/tst-tlsmod3.c b/elf/tst-tlsmod3.c index ff4a4460b9..087c11b7a0 100644 --- a/elf/tst-tlsmod3.c +++ b/elf/tst-tlsmod3.c @@ -1,9 +1,10 @@ #include <stdio.h> #include <tls.h> -#include "tls-macros.h" #ifdef USE_TLS +# include "tls-macros.h" + extern int in_dso (int n, int *caller_foop); COMMON_INT_DEF(comm_n); diff --git a/elf/tst-tlsmod4.c b/elf/tst-tlsmod4.c new file mode 100644 index 0000000000..d40b3fdf61 --- /dev/null +++ b/elf/tst-tlsmod4.c @@ -0,0 +1,33 @@ +#include <stdio.h> + +#include <tls.h> + +#ifdef USE_TLS +# include "tls-macros.h" + + +COMMON_INT_DEF(baz); + + +int +in_dso (int n, int *caller_bazp) +{ + int *bazp = TLS_GD (baz); + int result = 0; + + if (caller_bazp != NULL && bazp != caller_bazp) + { + printf ("callers address of baz differs: %p vs %p\n", caller_bazp, bazp); + result = 1; + } + else if (*bazp != n) + { + printf ("baz != %d\n", n); + result = 1; + } + + *bazp = 16; + + return result; +} +#endif |