mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-18 02:50:09 +00:00
55c14926be
1997-08-04 15:29 Ulrich Drepper <drepper@cygnus.com> * locale/programs/localedef.c (main): Set bit in avail for those categories which are successfully read. * locale/programs/locfile.c (check_all_categories): Don't check categories if they are not available. (write_all_categories): Don't write categories if they are not available. * login/setutent_r.c (setutent_unknown): Change return type to int and return result of called function. * manual/arith.texi: Mark floating-point test macro from ISO C 9X as macros (not functions). * manual/libc.texinfo (UPDATED): Update. * manual/math.texi: Document exceptions, functions to handle exceptions, mathematical constants, FP comparison functions and several new functions from ISO C 9X. Change parameter of drand48, lrand48, and mrand48 to void (not empty). * manual/pattern.texi: Remove paragraph which explained that wordexp is executed by running a shell. * manual/time.texi: Explain difficulties with strftime if the functions returns 0 and no error occurred. * math/math.h: Correct comment for some M_* constants. (isgreater, isgreaterequal, isless, islessequal, islessgreater, inunordered): Rewrite to make sure the arguments are evaluated exactly once. * nis/rpcsvc/nis.x: Undo last change. * nis/rpcsvc/nis.h: Likewise. * nis/rpcsvc/nislib.h: File moved back to here. * posix/sys/types.h: Don't define socklen_t. Pretty print. * socket/sys/socket.h (bind, getsockname, connect, sendto, recvfrom, getsockopt, setsockopt, accept): Change size argument to type socklen_t. Pretty print. * manual/socket.texi: Describe socklen_t and change prototypes of socket functions to use socklen_t. * sysdeps/generic/bits/socket.h: Define socklen_t. (struct msghdr): Correct types to use socklen_t. * sysdeps/unix/sysv/linux/bits/socket.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/socket.h: Likewise. * stdio-common/printf_fp.c (__printf_fp): Correct rouding of number 1.0 < x < 8.0. * stdio-common/tfformat.c: Add new tests for above bug. * stdlib/strtod.c: Fix typo. * string/Makefile (headers): Add bits/string.h. (CFLAGS-*): Add -D__NO_STRING_INLINES. * string/string.h: Include <bits/string.h> if optimizing and __NO_STRING_INLINES is not defined. * sysdeps/stub/bits/string.h: New file. * sysdeps/powerpc/bits/fenv.h: Fix typos. * sysdeps/unix/sysv/linux/if_index.c: Let functions return ENOSYS if SIOGIFINDEX is not defined. * sysdeps/wordsize-32/inttypes.h: Pretty print. * sysdeps/wordsize-64/inttypes.h: Pretty print. * termios/cfsetspeed.c: Rewrite loop to do what it shall do. * wcsmbs/Makefile (tests): Add tst-wcstof. * wcsmbs/tst-wcstof.c: New file. 1997-08-01 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/__longjmp.c: Replace call to abort by infinite loop, to avoid dragging stdio into the dynamic linker. 1997-08-02 19:44 H.J. Lu <hjl@gnu.ai.mit.edu> * nis/nis_findserv.c (xid, xid_seed, xid_lookup): Make them u_int32_t. 1997-08-03 Andreas Jaeger <aj@arthur.rhein-neckar.de> * posix/wordexp.c (parse_tilde): Fix calls to __getpwnam_r and __getpwuid_r. Include <stdio.h> to get prototypes of *printf. (exec_comm): Remove unneeded variable *sh. * libc.map: Add wordexp, wordfree. * posix/Makefile (routines): Add wordexp. 1997-08-03 Andreas Jaeger <aj@arthur.rhein-neckar.de> * posix/wordexp.c: Correct typo in comment. (wordexp): Likewise. * manual/errno.texi (Error Codes): Fix typo. 1997-08-03 15:28 Ulrich Drepper <drepper@cygnus.com> * csu/initfini.c (SECTION): Don't put quotes around section name since this is not understood by all assemblers. Patch by Klaus Espenlaub <kespenla@hydra.informatik.uni-ulm.de>.
122 lines
3.9 KiB
C
122 lines
3.9 KiB
C
/* Special .init and .fini section support.
|
|
Copyright (C) 1995, 1996, 1997 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 modify it under the terms of the GNU Library General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2 of the License, or (at your option) any later version.
|
|
|
|
In addition to the permissions in the GNU Library General Public
|
|
License, the Free Software Foundation gives you unlimited
|
|
permission to link the compiled version of this file with other
|
|
programs, and to distribute those programs without any restriction
|
|
coming from the use of this file. (The Library General Public
|
|
License restrictions do apply in other respects; for example, they
|
|
cover modification of the file, and distribution when not linked
|
|
into another program.)
|
|
|
|
The GNU C Library is distributed in the hope that it will be
|
|
useful, but WITHOUT ANY WARRANTY; without even the implied warranty
|
|
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
/* This file is compiled into assembly code which is then munged by a sed
|
|
script into two files: crti.s and crtn.s.
|
|
|
|
* crti.s puts a function prologue at the beginning of the
|
|
.init and .fini sections and defines global symbols for
|
|
those addresses, so they can be called as functions.
|
|
|
|
* crtn.s puts the corresponding function epilogues
|
|
in the .init and .fini sections. */
|
|
|
|
#include <stdlib.h>
|
|
|
|
/* We use embedded asm for .section unconditionally, as this makes it
|
|
easier to insert the necessary directives into crtn.S. */
|
|
#define SECTION(x) asm (".section " x );
|
|
|
|
/* Embed an #include to pull in the alignment and .end directives. */
|
|
asm ("\n#include \"defs.h\"");
|
|
|
|
/* The initial common code ends here. */
|
|
asm ("\n/*@HEADER_ENDS*/");
|
|
|
|
/* To determine whether we need .end and .align: */
|
|
asm ("\n/*@TESTS_BEGIN*/");
|
|
void
|
|
dummy (void (*foo) (void))
|
|
{
|
|
if (foo)
|
|
(*foo) ();
|
|
}
|
|
asm ("\n/*@TESTS_END*/");
|
|
|
|
/* The beginning of _init: */
|
|
asm ("\n/*@_init_PROLOG_BEGINS*/");
|
|
|
|
SECTION (".init")
|
|
void
|
|
_init (void)
|
|
{
|
|
/* We cannot use the normal constructor mechanism in gcrt1.o because it
|
|
appears before crtbegin.o in the link, so the header elt of .ctors
|
|
would come after the elt for __gmon_start__. One approach is for
|
|
gcrt1.o to reference a symbol which would be defined by some library
|
|
module which has a constructor; but then user code's constructors
|
|
would come first, and not be profiled. */
|
|
extern void __gmon_start__ (void) __attribute__ ((weak)); /*weak_extern (__gmon_start__);*/
|
|
|
|
if (__gmon_start__)
|
|
__gmon_start__ ();
|
|
|
|
asm ("ALIGN");
|
|
asm("END_INIT");
|
|
/* Now the epilog. */
|
|
asm ("\n/*@_init_PROLOG_ENDS*/");
|
|
asm ("\n/*@_init_EPILOG_BEGINS*/");
|
|
SECTION(".init");
|
|
}
|
|
asm ("END_INIT");
|
|
|
|
/* End of the _init epilog, beginning of the _fini prolog. */
|
|
asm ("\n/*@_init_EPILOG_ENDS*/");
|
|
asm ("\n/*@_fini_PROLOG_BEGINS*/");
|
|
|
|
SECTION (".fini")
|
|
void
|
|
_fini (void)
|
|
{
|
|
|
|
/* End of the _fini prolog. */
|
|
asm ("ALIGN");
|
|
asm ("END_FINI");
|
|
asm ("\n/*@_fini_PROLOG_ENDS*/");
|
|
|
|
{
|
|
/* Let GCC know that _fini is not a leaf function by having a dummy
|
|
function call here. We arrange for this call to be omitted from
|
|
either crt file. */
|
|
extern void i_am_not_a_leaf (void);
|
|
i_am_not_a_leaf ();
|
|
}
|
|
|
|
/* Beginning of the _fini epilog. */
|
|
asm ("\n/*@_fini_EPILOG_BEGINS*/");
|
|
SECTION (".fini");
|
|
}
|
|
asm ("END_FINI");
|
|
|
|
/* End of the _fini epilog. Any further generated assembly (e.g. .ident)
|
|
is shared between both crt files. */
|
|
asm ("\n/*@_fini_EPILOG_ENDS*/");
|
|
asm ("\n/*@TRAILER_BEGINS*/");
|
|
|
|
/* End of file. */
|