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authorUlrich Drepper <drepper@redhat.com>2001-10-01 00:14:14 +0000
committerUlrich Drepper <drepper@redhat.com>2001-10-01 00:14:14 +0000
commitc47e78b10f6b18532951fb6f6b0c5a2e8afcf88e (patch)
tree7e90f41294db2af2fa17e3ad20b2f6683a83d942 /elf
parentddb96b7db11b13f4715e8e999f66c2fd5b48a93a (diff)
downloadglibc-c47e78b10f6b18532951fb6f6b0c5a2e8afcf88e.tar.gz
Update.
2001-09-29 Jes Sorensen <jes@trained-monkey.org> * sysdeps/unix/sysv/linux/ia64/bits/sigcontext.h (struct sigcontext): Add sc_loadrs and sc_rbs_bas to match current kernel. 2001-09-27 Jakub Jelinek <jakub@redhat.com> * sysdeps/sparc/sparc64/fpu/libm-test-ulps: Update. * sysdeps/ieee754/ldbl-128/s_erfl.c (__erfcl): Fix erfc(-inf). 2001-09-27 Jakub Jelinek <jakub@redhat.com> * elf/dl-open.c (dl_open_worker): If l_opencount of freshly loaded object has been bumped because of relocation dependency, avoid duplicates in l_scope. (show_scope): Fix typos. * elf/Makefile: Add rules to build and run reldep6. * elf/reldep6.c: New file. * elf/reldep6mod0.c: New file. * elf/reldep6mod1.c: New file. * elf/reldep6mod2.c: New file. * elf/reldep6mod3.c: New file. * elf/reldep6mod4.c: New file. 2001-09-26 Jakub Jelinek <jakub@redhat.com> * sysdeps/sparc/sparc64/dl-machine.h (elf_machine_fixup_plt): Call sparc64_fixup_plt. (sparc64_fixup_plt): Moved from elf_machine_fixup_plt. Optimize near jumps and 0xfffff800XXXXXXXX target addresses, no thread safety for non-lazy binding. Fix .plt[32768+] handling. (elf_machine_plt_value): Don't add addend. (elf_machine_rela): Call sparc64_fixup_plt instead of elf_machine_fixup_plt. (elf_machine_runtime_setup, TRAMPOLINE_TEMPLATE): Optimize for dynamic linker at 0xfffff800XXXXXXXX. * sysdeps/sparc/sparc32/fpu/libm-test-ulps: Update.
Diffstat (limited to 'elf')
-rw-r--r--elf/Makefile12
-rw-r--r--elf/dl-open.c16
-rw-r--r--elf/reldep6.c97
-rw-r--r--elf/reldep6mod0.c8
-rw-r--r--elf/reldep6mod1.c14
-rw-r--r--elf/reldep6mod2.c3
-rw-r--r--elf/reldep6mod3.c3
-rw-r--r--elf/reldep6mod4.c12
8 files changed, 160 insertions, 5 deletions
diff --git a/elf/Makefile b/elf/Makefile
index d4fc54e010..91d7e3a508 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -107,7 +107,7 @@ tests = loadtest restest1 preloadtest loadfail multiload origtest resolvfail \
reldep reldep2 reldep3 reldep4 $(tests-nodelete-$(have-z-nodelete)) \
$(tests-nodlopen-$(have-z-nodlopen)) neededtest neededtest2 \
neededtest3 neededtest4 unload2 lateglobal initfirst global \
- restest2 next dblload dblunload reldep5
+ restest2 next dblload dblunload reldep5 reldep6
test-srcs = tst-pathopt
tests-vis-yes = vismain
tests-nodelete-yes = nodelete
@@ -123,7 +123,8 @@ modules-names = testobj1 testobj2 testobj3 testobj4 testobj5 testobj6 \
neededobj1 neededobj2 neededobj3 neededobj4 \
neededobj5 neededobj6 firstobj globalmod1 \
unload2mod unload2dep ltglobmod1 ltglobmod2 pathoptobj \
- dblloadmod1 dblloadmod2 dblloadmod3 reldepmod5 reldepmod6
+ dblloadmod1 dblloadmod2 dblloadmod3 reldepmod5 reldepmod6 \
+ reldep6mod0 reldep6mod1 reldep6mod2 reldep6mod3 reldep6mod4
modules-vis-yes = vismod1 vismod2 vismod3
modules-nodelete-yes = nodelmod1 nodelmod2 nodelmod3 nodelmod4
modules-nodlopen-yes = nodlopenmod
@@ -288,6 +289,10 @@ $(objpfx)dblloadmod1.so: $(objpfx)dblloadmod3.so
$(objpfx)dblloadmod2.so: $(objpfx)dblloadmod3.so
$(objpfx)reldepmod5.so: $(objpfx)reldepmod2.so
$(objpfx)reldepmod6.so: $(objpfx)reldepmod2.so
+$(objpfx)reldep6mod1.so: $(objpfx)reldep6mod0.so
+$(objpfx)reldep6mod2.so: $(objpfx)reldep6mod1.so
+$(objpfx)reldep6mod3.so: $(objpfx)reldep6mod2.so
+$(objpfx)reldep6mod4.so: $(objpfx)reldep6mod1.so
# filtmod1.so has a special rule
$(filter-out $(objpfx)filtmod1.so, $(test-modules)): $(objpfx)%.so: $(objpfx)%.os
@@ -429,3 +434,6 @@ $(objpfx)dblunload.out: $(objpfx)dblloadmod1.so $(objpfx)dblloadmod2.so
$(objpfx)reldep5: $(libdl)
$(objpfx)reldep5.out: $(objpfx)reldepmod5.so $(objpfx)reldepmod5.so
+
+$(objpfx)reldep6: $(libdl)
+$(objpfx)reldep6.out: $(objpfx)reldep6mod3.so $(objpfx)reldep6mod4.so
diff --git a/elf/dl-open.c b/elf/dl-open.c
index 3f2631a98b..c061cdeb0e 100644
--- a/elf/dl-open.c
+++ b/elf/dl-open.c
@@ -312,10 +312,20 @@ dl_open_worker (void *a)
while (*runp != NULL)
{
+ /* This can happen if imap was just loaded, but during
+ relocation had l_opencount bumped because of relocation
+ dependency. Avoid duplicates in l_scope. */
+ if (__builtin_expect (*runp == &new->l_searchlist, 0))
+ break;
+
++cnt;
++runp;
}
+ if (*runp != NULL)
+ /* Avoid duplicates. */
+ continue;
+
if (__builtin_expect (cnt + 1 >= imap->l_scope_max, 0))
{
/* The 'r_scope' array is too small. Allocate a new one
@@ -478,11 +488,11 @@ show_scope (struct link_map *new)
for (cnt = 0; cnt < new->l_scope[scope_cnt]->r_nlist; ++cnt)
if (*new->l_scope[scope_cnt]->r_list[cnt]->l_name)
- _dl_printf (" %s", new->l_scope[scope_cnt]->r_list[cnt]->l_name)
+ _dl_printf (" %s", new->l_scope[scope_cnt]->r_list[cnt]->l_name);
else
- _dl_printf (" <main>", NULL);
+ _dl_printf (" <main>");
- _dl_printf ("\n", NULL);
+ _dl_printf ("\n");
}
}
#endif
diff --git a/elf/reldep6.c b/elf/reldep6.c
new file mode 100644
index 0000000000..bf80ec5773
--- /dev/null
+++ b/elf/reldep6.c
@@ -0,0 +1,97 @@
+#include <dlfcn.h>
+#include <mcheck.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+typedef int (*fn)(void);
+#define CHUNKS 1024
+#define REPEAT 64
+
+int
+main (void)
+{
+ void *h1;
+ void *h2;
+ fn **foopp;
+ fn bar, baz;
+ int i, j;
+ int n;
+ void *allocs[REPEAT][CHUNKS];
+
+ mtrace ();
+
+ /* Open the two objects. */
+ h1 = dlopen ("reldep6mod3.so", RTLD_LAZY);
+ if (h1 == NULL)
+ {
+ printf ("cannot open reldep6mod3.so: %s\n", dlerror ());
+ exit (1);
+ }
+
+ foopp = dlsym (h1, "foopp");
+ if (foopp == NULL)
+ {
+ printf ("cannot get address of \"foopp\": %s\n", dlerror ());
+ exit (1);
+ }
+ n = (**foopp) ();
+ if (n != 20)
+ {
+ printf ("(**foopp)() return %d, not return 20\n", n);
+ exit (1);
+ }
+
+ h2 = dlopen ("reldep6mod4.so", RTLD_LAZY);
+ if (h2 == NULL)
+ {
+ printf ("cannot open reldep6mod4.so: %s\n", dlerror ());
+ exit (1);
+ }
+
+ if (dlclose (h1) != 0)
+ {
+ printf ("closing h1 failed: %s\n", dlerror ());
+ exit (1);
+ }
+
+ /* Clobber memory. */
+ for (i = 0; i < REPEAT; ++i)
+ for (j = 0; j < CHUNKS; ++j)
+ allocs[i][j] = calloc (1, j + 1);
+
+ bar = dlsym (h2, "bar");
+ if (bar == NULL)
+ {
+ printf ("cannot get address of \"bar\": %s\n", dlerror ());
+ exit (1);
+ }
+ if (bar () != 40)
+ {
+ printf ("bar() did not return 40\n");
+ exit (1);
+ }
+
+ baz = dlsym (h2, "baz");
+ if (baz == NULL)
+ {
+ printf ("cannot get address of \"baz\": %s\n", dlerror ());
+ exit (1);
+ }
+ if (baz () != 31)
+ {
+ printf ("baz() did not return 31\n");
+ exit (1);
+ }
+
+ for (i = 0; i < REPEAT; ++i)
+ for (j = 0; j < CHUNKS; ++j)
+ free (allocs[i][j]);
+
+ if (dlclose (h2) != 0)
+ {
+ printf ("closing h2 failed: %s\n", dlerror ());
+ exit (1);
+ }
+
+ return 0;
+}
diff --git a/elf/reldep6mod0.c b/elf/reldep6mod0.c
new file mode 100644
index 0000000000..58f3745fb4
--- /dev/null
+++ b/elf/reldep6mod0.c
@@ -0,0 +1,8 @@
+int bar (void);
+extern void free (void *);
+
+int bar (void)
+{
+ free (0);
+ return 40;
+}
diff --git a/elf/reldep6mod1.c b/elf/reldep6mod1.c
new file mode 100644
index 0000000000..037a73a198
--- /dev/null
+++ b/elf/reldep6mod1.c
@@ -0,0 +1,14 @@
+int foo (void);
+int baz (void);
+extern int weak (void);
+asm (".weak weak");
+
+int foo (void)
+{
+ return 20;
+}
+
+int baz (void)
+{
+ return weak () + 1;
+}
diff --git a/elf/reldep6mod2.c b/elf/reldep6mod2.c
new file mode 100644
index 0000000000..c2ef3f9bc0
--- /dev/null
+++ b/elf/reldep6mod2.c
@@ -0,0 +1,3 @@
+extern int foo (void);
+
+void *foop = (void *) foo;
diff --git a/elf/reldep6mod3.c b/elf/reldep6mod3.c
new file mode 100644
index 0000000000..881828ef6e
--- /dev/null
+++ b/elf/reldep6mod3.c
@@ -0,0 +1,3 @@
+extern void *foop;
+
+void **foopp = &foop;
diff --git a/elf/reldep6mod4.c b/elf/reldep6mod4.c
new file mode 100644
index 0000000000..8fa89de64b
--- /dev/null
+++ b/elf/reldep6mod4.c
@@ -0,0 +1,12 @@
+int foo (void);
+int weak (void);
+
+int foo (void)
+{
+ return 10;
+}
+
+int weak (void)
+{
+ return 30;
+}