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This commit is contained in:
Jakub Jelinek
2007-07-31 13:33:18 +00:00
parent d6220e9ee3
commit 32c075e1f0
448 changed files with 13841 additions and 10982 deletions
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4
csu/Versions
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@@ -5,7 +5,7 @@ libc {
# helper functions
__libc_init_first; __libc_start_main;
%if !HAVE___THREAD
%if !(USE_TLS && HAVE___THREAD)
# global variables
_errno;
@@ -18,7 +18,7 @@ libc {
gnu_get_libc_release; gnu_get_libc_version;
}
GLIBC_PRIVATE {
%if HAVE___THREAD
%if USE_TLS && HAVE___THREAD
# This version is for the TLS symbol, GLIBC_2.0 is the old object symbol.
errno;
%endif

17
csu/libc-start.c
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@@ -1,4 +1,4 @@
/* Copyright (C) 1998-2003, 2004, 2005, 2006 Free Software Foundation, Inc.
/* Copyright (C) 1998-2003, 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
@@ -30,7 +30,11 @@ extern int __libc_multiple_libcs;
#include <tls.h>
#ifndef SHARED
# include <dl-osinfo.h>
extern void __pthread_initialize_minimal (void);
extern void __pthread_initialize_minimal (void)
# if !(USE_TLS - 0) && !defined NONTLS_INIT_TP
__attribute__ ((weak))
# endif
;
# ifndef THREAD_SET_STACK_GUARD
/* Only exported for architectures that don't store the stack guard canary
in thread local area. */
@@ -136,8 +140,13 @@ LIBC_START_MAIN (int (*main) (int, char **, char ** MAIN_AUXVEC_DECL),
/* Initialize the thread library at least a bit since the libgcc
functions are using thread functions if these are available and
we need to setup errno. */
__pthread_initialize_minimal ();
we need to setup errno. If there is no thread library and we
handle TLS the function is defined in the libc to initialized the
TLS handling. */
# if !(USE_TLS - 0) && !defined NONTLS_INIT_TP
if (__pthread_initialize_minimal)
# endif
__pthread_initialize_minimal ();
#endif
# ifndef SHARED

58
csu/libc-tls.c
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@@ -1,5 +1,5 @@
/* Initialization code for TLS in statically linked application.
Copyright (C) 2002, 2003, 2004, 2005, 2006 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
@@ -29,6 +29,7 @@
#error makefile bug, this file is for static only
#endif
#ifdef USE_TLS
extern ElfW(Phdr) *_dl_phdr;
extern size_t _dl_phnum;
@@ -142,19 +143,19 @@ __libc_setup_tls (size_t tcbsize, size_t tcbalign)
The initialized value of _dl_tls_static_size is provided by dl-open.c
to request some surplus that permits dynamic loading of modules with
IE-model TLS. */
#if TLS_TCB_AT_TP
# if TLS_TCB_AT_TP
tcb_offset = roundup (memsz + GL(dl_tls_static_size), tcbalign);
tlsblock = __sbrk (tcb_offset + tcbsize + max_align);
#elif TLS_DTV_AT_TP
# elif TLS_DTV_AT_TP
tcb_offset = roundup (tcbsize, align ?: 1);
tlsblock = __sbrk (tcb_offset + memsz + max_align
+ TLS_PRE_TCB_SIZE + GL(dl_tls_static_size));
tlsblock += TLS_PRE_TCB_SIZE;
#else
# else
/* In case a model with a different layout for the TCB and DTV
is defined add another #elif here and in the following #ifs. */
# error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
#endif
# error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
# endif
/* Align the TLS block. */
tlsblock = (void *) (((uintptr_t) tlsblock + max_align - 1)
@@ -165,16 +166,16 @@ __libc_setup_tls (size_t tcbsize, size_t tcbalign)
// static_dtv[1].counter = 0; would be needed if not already done
/* Initialize the TLS block. */
#if TLS_TCB_AT_TP
# if TLS_TCB_AT_TP
static_dtv[2].pointer.val = ((char *) tlsblock + tcb_offset
- roundup (memsz, align ?: 1));
static_map.l_tls_offset = roundup (memsz, align ?: 1);
#elif TLS_DTV_AT_TP
# elif TLS_DTV_AT_TP
static_dtv[2].pointer.val = (char *) tlsblock + tcb_offset;
static_map.l_tls_offset = tcb_offset;
#else
# error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
#endif
# else
# error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
# endif
static_dtv[2].pointer.is_static = true;
/* sbrk gives us zero'd memory, so we don't need to clear the remainder. */
memcpy (static_dtv[2].pointer.val, initimage, filesz);
@@ -182,16 +183,16 @@ __libc_setup_tls (size_t tcbsize, size_t tcbalign)
/* Install the pointer to the dtv. */
/* Initialize the thread pointer. */
#if TLS_TCB_AT_TP
# if TLS_TCB_AT_TP
INSTALL_DTV ((char *) tlsblock + tcb_offset, static_dtv);
const char *lossage = TLS_INIT_TP ((char *) tlsblock + tcb_offset, 0);
#elif TLS_DTV_AT_TP
# elif TLS_DTV_AT_TP
INSTALL_DTV (tlsblock, static_dtv);
const char *lossage = TLS_INIT_TP (tlsblock, 0);
#else
# error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
#endif
# else
# error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
# endif
if (__builtin_expect (lossage != NULL, 0))
__libc_fatal (lossage);
@@ -211,11 +212,11 @@ __libc_setup_tls (size_t tcbsize, size_t tcbalign)
memsz = roundup (memsz, align ?: 1);
#if TLS_TCB_AT_TP
# if TLS_TCB_AT_TP
memsz += tcbsize;
#elif TLS_DTV_AT_TP
# elif TLS_DTV_AT_TP
memsz += tcb_offset;
#endif
# endif
init_static_tls (memsz, MAX (TLS_TCB_ALIGN, max_align));
}
@@ -229,11 +230,11 @@ _dl_tls_setup (void)
{
init_slotinfo ();
init_static_tls (
#if TLS_TCB_AT_TP
# if TLS_TCB_AT_TP
TLS_TCB_SIZE,
#else
# else
0,
#endif
# endif
TLS_TCB_ALIGN);
return 0;
}
@@ -247,3 +248,16 @@ __pthread_initialize_minimal (void)
{
__libc_setup_tls (TLS_INIT_TCB_SIZE, TLS_INIT_TCB_ALIGN);
}
#elif defined NONTLS_INIT_TP
/* This is the minimal initialization function used when libpthread is
not used. */
void
__attribute__ ((weak))
__pthread_initialize_minimal (void)
{
NONTLS_INIT_TP;
}
#endif

113
csu/tst-atomic.c
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@@ -1,5 +1,5 @@
/* Tests for atomic.h macros.
Copyright (C) 2003, 2004, 2006 Free Software Foundation, Inc.
Copyright (C) 2003, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
@@ -379,117 +379,6 @@ do_test (void)
}
#endif
#ifdef catomic_compare_and_exchange_val_acq
mem = 24;
if (catomic_compare_and_exchange_val_acq (&mem, 35, 24) != 24
|| mem != 35)
{
puts ("catomic_compare_and_exchange_val_acq test 1 failed");
ret = 1;
}
mem = 12;
if (catomic_compare_and_exchange_val_acq (&mem, 10, 15) != 12
|| mem != 12)
{
puts ("catomic_compare_and_exchange_val_acq test 2 failed");
ret = 1;
}
mem = -15;
if (catomic_compare_and_exchange_val_acq (&mem, -56, -15) != -15
|| mem != -56)
{
puts ("catomic_compare_and_exchange_val_acq test 3 failed");
ret = 1;
}
mem = -1;
if (catomic_compare_and_exchange_val_acq (&mem, 17, 0) != -1
|| mem != -1)
{
puts ("catomic_compare_and_exchange_val_acq test 4 failed");
ret = 1;
}
#endif
mem = 24;
if (catomic_compare_and_exchange_bool_acq (&mem, 35, 24)
|| mem != 35)
{
puts ("catomic_compare_and_exchange_bool_acq test 1 failed");
ret = 1;
}
mem = 12;
if (! catomic_compare_and_exchange_bool_acq (&mem, 10, 15)
|| mem != 12)
{
puts ("catomic_compare_and_exchange_bool_acq test 2 failed");
ret = 1;
}
mem = -15;
if (catomic_compare_and_exchange_bool_acq (&mem, -56, -15)
|| mem != -56)
{
puts ("catomic_compare_and_exchange_bool_acq test 3 failed");
ret = 1;
}
mem = -1;
if (! catomic_compare_and_exchange_bool_acq (&mem, 17, 0)
|| mem != -1)
{
puts ("catomic_compare_and_exchange_bool_acq test 4 failed");
ret = 1;
}
mem = 2;
if (catomic_exchange_and_add (&mem, 11) != 2
|| mem != 13)
{
puts ("catomic_exchange_and_add test failed");
ret = 1;
}
mem = -21;
catomic_add (&mem, 22);
if (mem != 1)
{
puts ("catomic_add test failed");
ret = 1;
}
mem = -1;
catomic_increment (&mem);
if (mem != 0)
{
puts ("catomic_increment test failed");
ret = 1;
}
mem = 2;
if (catomic_increment_val (&mem) != 3)
{
puts ("catomic_increment_val test failed");
ret = 1;
}
mem = 17;
catomic_decrement (&mem);
if (mem != 16)
{
puts ("catomic_decrement test failed");
ret = 1;
}
if (catomic_decrement_val (&mem) != 15)
{
puts ("catomic_decrement_val test failed");
ret = 1;
}
return ret;
}

7
csu/version.c
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@@ -1,4 +1,4 @@
/* Copyright (C) 1992-2006, 2007 Free Software Foundation, Inc.
/* Copyright (C) 1992-2002, 2003, 2004, 2006 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
@@ -25,7 +25,7 @@ static const char __libc_version[] = VERSION;
static const char banner[] =
"GNU C Library "RELEASE" release version "VERSION", by Roland McGrath et al.\n\
Copyright (C) 2007 Free Software Foundation, Inc.\n\
Copyright (C) 2006 Free Software Foundation, Inc.\n\
This is free software; see the source for copying conditions.\n\
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A\n\
PARTICULAR PURPOSE.\n\
@@ -34,6 +34,9 @@ Compiled by GNU CC version "__VERSION__".\n"
#ifdef GLIBC_OLDEST_ABI
"The oldest ABI supported: " GLIBC_OLDEST_ABI ".\n"
#endif
#ifdef USE_TLS
"Thread-local storage support included.\n"
#endif
"For bug reporting instructions, please see:\n\
<http://www.gnu.org/software/libc/bugs.html>.\n";