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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.
This commit is contained in:
Ulrich Drepper 2005-02-23 06:19:23 +00:00
parent f9ab9ba9ab
commit 094d3c54ae
4 changed files with 14 additions and 13 deletions
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6
ChangeLog
View File

@ -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.

9
elf/dl-load.c
View File

@ -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

5
sysdeps/generic/dl-tls.c
View File

@ -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)

7
sysdeps/generic/libc-tls.c
View File

@ -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. */