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authorUlrich Drepper <drepper@redhat.com>2005-02-23 06:19:23 +0000
committerUlrich Drepper <drepper@redhat.com>2005-02-23 06:19:23 +0000
commit094d3c54ae439a1dc83b6aa44caf81d54cab32e0 (patch)
tree958b93a2e38fd0c7962cdfa0d61f14c59ee91d3d
parentf9ab9ba9aba6426845aca1731bd9d9fea089432c (diff)
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* sysdeps/generic/libc-tls.c (static_dtv): Size the same as the
slotinfo array. (__libc_setup_tls_): Initializer length of DTV based on array length. * elf/dl-load.c: Revert last change. * sysdeps/generic/dl-tls.c: Revert last change.
-rw-r--r--ChangeLog6
-rw-r--r--elf/dl-load.c9
-rw-r--r--sysdeps/generic/dl-tls.c5
-rw-r--r--sysdeps/generic/libc-tls.c7
4 files changed, 14 insertions, 13 deletions
diff --git a/ChangeLog b/ChangeLog
index ff21233..4e84b80 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
2005-02-22 Ulrich Drepper <drepper@redhat.com>
+ * sysdeps/generic/libc-tls.c (static_dtv): Size the same as the
+ slotinfo array.
+ (__libc_setup_tls_): Initializer length of DTV based on array length.
+ * elf/dl-load.c: Revert last change.
+ * sysdeps/generic/dl-tls.c: Revert last change.
+
* posix/Makefile (tests): Add tst-execvp1, tst-execvp2, tst-execlp1,
tst-execlp2, tst-execv1, tst-execv2, tst-execl1, tst-execl2,
tst-execve1, tst-execve2, tst-execle1, and tst-execle2.
diff --git a/elf/dl-load.c b/elf/dl-load.c
index 5c56247..088b222 100644
--- a/elf/dl-load.c
+++ b/elf/dl-load.c
@@ -1056,7 +1056,6 @@ _dl_map_object_from_fd (const char *name, int fd, struct filebuf *fbp,
case PT_TLS:
#ifdef USE_TLS
-# ifdef SHARED
if (ph->p_memsz == 0)
/* Nothing to do for an empty segment. */
break;
@@ -1084,6 +1083,7 @@ _dl_map_object_from_fd (const char *name, int fd, struct filebuf *fbp,
break;
}
+# ifdef SHARED
if (l->l_prev == NULL || (mode & __RTLD_AUDIT) != 0)
/* We are loading the executable itself when the dynamic linker
was executed directly. The setup will happen later. */
@@ -1092,6 +1092,7 @@ _dl_map_object_from_fd (const char *name, int fd, struct filebuf *fbp,
/* In a static binary there is no way to tell if we dynamically
loaded libpthread. */
if (GL(dl_error_catch_tsd) == &_dl_initial_error_catch_tsd)
+# endif
{
/* We have not yet loaded libpthread.
We can do the TLS setup right now! */
@@ -1124,12 +1125,6 @@ cannot allocate TLS data structures for initial thread");
_dl_deallocate_tls (tcb, 1);
goto call_lose;
}
-# else
- errval = EINVAL;
- errstring = N_("\
-statically linked code cannot load module with TLS");
- goto call_lose;
-# endif
#endif
/* Uh-oh, the binary expects TLS support but we cannot
diff --git a/sysdeps/generic/dl-tls.c b/sysdeps/generic/dl-tls.c
index ee4acb5..fdd569b 100644
--- a/sysdeps/generic/dl-tls.c
+++ b/sysdeps/generic/dl-tls.c
@@ -49,7 +49,7 @@ oom (void)
{
_dl_fatal_printf ("cannot allocate memory for thread-local data: ABORT\n");
}
-
+# endif
size_t
@@ -97,7 +97,6 @@ _dl_next_tls_modid (void)
/* The new index must indeed be exactly one higher than the
previous high. */
assert (result == GL(dl_tls_max_dtv_idx) + 1);
-
/* There is no gap anymore. */
GL(dl_tls_dtv_gaps) = false;
@@ -108,6 +107,7 @@ _dl_next_tls_modid (void)
{
/* No gaps, allocate a new entry. */
nogaps:
+
result = ++GL(dl_tls_max_dtv_idx);
}
@@ -115,6 +115,7 @@ _dl_next_tls_modid (void)
}
+# ifdef SHARED
void
internal_function
_dl_determine_tlsoffset (void)
diff --git a/sysdeps/generic/libc-tls.c b/sysdeps/generic/libc-tls.c
index b88ede0..0cf884c 100644
--- a/sysdeps/generic/libc-tls.c
+++ b/sysdeps/generic/libc-tls.c
@@ -1,5 +1,5 @@
/* Initialization code for TLS in statically linked application.
- Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -34,8 +34,7 @@ extern ElfW(Phdr) *_dl_phdr;
extern size_t _dl_phnum;
-/* DTV with just one element plus overhead. */
-static dtv_t static_dtv[3];
+static dtv_t static_dtv[2 + TLS_SLOTINFO_SURPLUS];
static struct
@@ -173,7 +172,7 @@ __libc_setup_tls (size_t tcbsize, size_t tcbalign)
& ~(max_align - 1));
/* Initialize the dtv. [0] is the length, [1] the generation counter. */
- static_dtv[0].counter = 1;
+ static_dtv[0].counter = (sizeof (static_dtv) / sizeof (static_dtv[0])) - 2;
// static_dtv[1].counter = 0; would be needed if not already done
/* Initialize the TLS block. */