diff options
Diffstat (limited to 'dlfcn')
| -rw-r--r-- | dlfcn/Makefile | 13 | ||||
| -rw-r--r-- | dlfcn/default.c | 64 | ||||
| -rw-r--r-- | dlfcn/defaultmod1.c | 62 | ||||
| -rw-r--r-- | dlfcn/defaultmod2.c | 68 |
4 files changed, 204 insertions, 3 deletions
diff --git a/dlfcn/Makefile b/dlfcn/Makefile index a38be42647..2be68dd0c1 100644 --- a/dlfcn/Makefile +++ b/dlfcn/Makefile @@ -20,7 +20,8 @@ subdir := dlfcn headers := bits/dlfcn.h dlfcn.h extra-libs := libdl libdl-routines := dlopen dlclose dlsym dlvsym dlerror dladdr eval -distribute := dlopenold.c glreflib1.c glreflib2.c failtestmod.c eval.c +distribute := dlopenold.c glreflib1.c glreflib2.c failtestmod.c eval.c \ + defaultmod1.c defaultmod2.c extra-libs-others := libdl @@ -33,9 +34,9 @@ endif libdl-shared-only-routines += eval ifeq (yes,$(build-shared)) -tests = glrefmain failtest tst-dladdr +tests = glrefmain failtest tst-dladdr default endif -modules-names = glreflib1 glreflib2 failtestmod +modules-names = glreflib1 glreflib2 failtestmod defaultmod1 defaultmod2 extra-objs += $(modules-names:=.os) eval.os generated := $(modules-names:=.so) @@ -56,3 +57,9 @@ $(objpfx)failtest.out: $(objpfx)failtestmod.so $(objpfx)tst-dladdr: $(libdl) $(objpfx)tst-dladdr.out: $(objpfx)glreflib1.so + +LDFLAGS-default = -rdynamic +$(objpfx)default: $(libdl) $(objpfx)defaultmod1.so $(objpfx)defaultmod2.so +$(objpfx)defaultmod1.so: $(libdl) +LDFLAGS-defaultmod2.so = -Bsymbolic +$(objpfx)defaultmod2.so: $(libdl) diff --git a/dlfcn/default.c b/dlfcn/default.c new file mode 100644 index 0000000000..98c0b2a9b6 --- /dev/null +++ b/dlfcn/default.c @@ -0,0 +1,64 @@ +#include <dlfcn.h> +#include <stdio.h> + + +extern int test_in_mod1 (void *); +extern int test_in_mod2 (void *); + + +int +main (int argc, char *argv[]) +{ + int (*ifp) (void); + void *p; + int result = 0; + + /* Find function `main'. */ + p = dlsym (RTLD_DEFAULT, "main"); + if (p == NULL) + { + printf ("%s: main not found\n", __FILE__); + result = 1; + } + else if (p != (void *) &main) + { + printf ("%s: wrong address returned for main\n", __FILE__); + result = 1; + } + else + printf ("%s: main correctly found\n", __FILE__); + + ifp = dlsym (RTLD_DEFAULT, "found_in_mod1"); + if ((void *) ifp == NULL) + { + printf ("%s: found_in_mod1 not found\n", __FILE__); + result = 1; + } + else if (ifp () != 1) + { + printf ("%s: wrong address returned for found_in_mod1\n", __FILE__); + result = 1; + } + else + printf ("%s: found_in_mod1 correctly found\n", __FILE__); + + ifp = dlsym (RTLD_DEFAULT, "found_in_mod2"); + if ((void *) ifp == NULL) + { + printf ("%s: found_in_mod2 not found\n", __FILE__); + result = 1; + } + else if (ifp () != 2) + { + printf ("%s: wrong address returned for found_in_mod2\n", __FILE__); + result = 1; + } + else + printf ("%s: found_in_mod2 correctly found\n", __FILE__); + + result |= test_in_mod1 ((void *) &main); + + result |= test_in_mod2 ((void *) &main); + + return result; +} diff --git a/dlfcn/defaultmod1.c b/dlfcn/defaultmod1.c new file mode 100644 index 0000000000..2c26e389bc --- /dev/null +++ b/dlfcn/defaultmod1.c @@ -0,0 +1,62 @@ +#include <dlfcn.h> +#include <stdio.h> + +int +found_in_mod1 (void) +{ + return 1; +} + + +int +test_in_mod1 (void *mainp) +{ + int (*ifp) (void); + void *p; + int result = 0; + + /* Find function `main'. */ + p = dlsym (RTLD_DEFAULT, "main"); + if (p == NULL) + { + printf ("%s: main not found\n", __FILE__); + result = 1; + } + else if (p != mainp) + { + printf ("%s: wrong address returned for main\n", __FILE__); + result = 1; + } + else + printf ("%s: main correctly found\n", __FILE__); + + ifp = dlsym (RTLD_DEFAULT, "found_in_mod1"); + if ((void *) ifp == NULL) + { + printf ("%s: found_in_mod1 not found\n", __FILE__); + result = 1; + } + else if (ifp () != 1) + { + printf ("%s: wrong address returned for found_in_mod1\n", __FILE__); + result = 1; + } + else + printf ("%s: found_in_mod1 correctly found\n", __FILE__); + + ifp = dlsym (RTLD_DEFAULT, "found_in_mod2"); + if ((void *) ifp == NULL) + { + printf ("%s: found_in_mod2 not found\n", __FILE__); + result = 1; + } + else if (ifp () != 2) + { + printf ("%s: wrong address returned for found_in_mod2\n", __FILE__); + result = 1; + } + else + printf ("%s: found_in_mod2 correctly found\n", __FILE__); + + return result; +} diff --git a/dlfcn/defaultmod2.c b/dlfcn/defaultmod2.c new file mode 100644 index 0000000000..4cacced3b5 --- /dev/null +++ b/dlfcn/defaultmod2.c @@ -0,0 +1,68 @@ +#include <dlfcn.h> +#include <stdio.h> + +int +found_in_mod1 (void) +{ + return 1; +} + +int +found_in_mod2 (void) +{ + return 2; +} + + +int +test_in_mod2 (void *mainp) +{ + int (*ifp) (void); + void *p; + int result = 0; + + /* Find function `main'. */ + p = dlsym (RTLD_DEFAULT, "main"); + if (p == NULL) + { + printf ("%s: main not found\n", __FILE__); + result = 1; + } + else if (p != mainp) + { + printf ("%s: wrong address returned for main\n", __FILE__); + result = 1; + } + else + printf ("%s: main correctly found\n", __FILE__); + + ifp = dlsym (RTLD_DEFAULT, "found_in_mod1"); + if ((void *) ifp == NULL) + { + printf ("%s: found_in_mod1 not found\n", __FILE__); + result = 1; + } + else if (ifp () != 1) + { + printf ("%s: wrong address returned for found_in_mod1\n", __FILE__); + result = 1; + } + else + printf ("%s: found_in_mod1 correctly found\n", __FILE__); + + ifp = dlsym (RTLD_DEFAULT, "found_in_mod2"); + if ((void *) ifp == NULL) + { + printf ("%s: found_in_mod2 not found\n", __FILE__); + result = 1; + } + else if (ifp () != 2) + { + printf ("%s: wrong address returned for found_in_mod2\n", __FILE__); + result = 1; + } + else + printf ("%s: found_in_mod2 correctly found\n", __FILE__); + + return result; +} |