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ffa8d2a098
name of "", store a null pointer instead.
* configure.in (elf): Set to yes for freebsd*, netbsd*.
* configure: Regenerated.
* locale/xlocale.c [! (USE_TLS && HAVE___THREAD)] (__libc_tsd_LOCALE):
Initialize this instead of __libc_tsd_LOCALE_data.
* sysdeps/unix/grantpt.c (pts_name): Convert ENOTTY return from
ptsname_r to EINVAL.
* sysdeps/generic/ptsname.c (__ptsname_r): Return ENOSYS instead of 0.
* rt/Makefile: Revert last change, it was inappropriate to presume aio
implementations depend on pthreads.
* rt/tst-aio.c (do_test): Exit happy if first failure is ENOSYS.
* rt/tst-aio64.c (do_test): Likewise.
* rt/tst-aio2.c (do_test): Likewise.
* rt/tst-aio3.c (do_test): Likewise.
* rt/tst-aio4.c (do_test): Likewise.
* rt/tst-aio5.c (do_test): Likewise.
* rt/tst-aio6.c (do_test): Likewise.
* rt/tst-aio7.c (do_test): Likewise.
* sysdeps/generic/bits/libc-lock.h (__libc_setspecific): Use a cast to
void so as to avoid compiler warnings.
* libio/oldstdfiles.c [! _IO_MTSAFE_IO] (DEF_STDFILE): Don't define
_IO_wide_data_FD, which is never used here.
* libio/iofread.c
[! _IO_MTSAFE_IO] (fread_unlocked): Add libc_hidden_ver defn.
* libio/iofputs.c [! _IO_MTSAFE_IO] (fputs_unlocked): Likewise.
* libio/iofgets.c [! _IO_MTSAFE_IO] (fgets_unlocked): Likewise.
* include/resolv.h [! _LIBC_REENTRANT] (_res): #undef it before decl.
* include/netdb.h [! _LIBC_REENTRANT] (h_errno): Declare normal extern.
* misc/syslog.c (openlog): Conditionalize locking on [_LIBC_REENTRANT].
(closelog): Likewise.
2002-07-06 Bruno Haible <bruno@clisp.org>
* sysdeps/alpha/fpu/fpu_control.h: Comment fix.
* sysdeps/unix/sysv/linux/alpha/pipe.S: Moved to ...
* sysdeps/unix/alpha/pipe.S: ... here.
* sysdeps/unix/bsd/osf/alpha/pipe.S: File removed.
* sysdeps/unix/i386/brk.S: Rename local label to '.Lhere' in ELF.
* sysdeps/unix/i386/brk.S: Add PSEUDO_END invocation.
* sysdeps/unix/i386/fork.S: Likewise.
* sysdeps/unix/i386/pipe.S: Likewise.
* sysdeps/unix/i386/wait.S: Likewise.
* sysdeps/unix/fork.S: Fix PSEUDO_END argument.
* sysdeps/unix/arm/fork.S: Likewise.
* sysdeps/unix/sysv/linux/arm/sysdep.h (PSEUDO): Swap DO_CALL
arguments.
(DO_CALL): Swap argument order.
* sysdeps/unix/sysv/linux/hppa/sysdep.h (PSEUDO): Swap DO_CALL
arguments.
(DO_CALL): Swap argument order.
* sysdeps/unix/sysv/linux/i386/sysdep.h (PSEUDO): Swap DO_CALL
arguments.
(DO_CALL): Swap argument order.
* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h (PSEUDO): Swap DO_CALL
arguments.
(DO_CALL): Swap argument order.
* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h (PSEUDO): Swap DO_CALL
arguments.
(DO_CALL): Swap argument order.
* sysdeps/unix/sysv/linux/sh/sysdep.h (PSEUDO): Swap DO_CALL
arguments.
(DO_CALL): Swap argument order.
* sysdeps/unix/sysv/linux/x86_64/sysdep.h (PSEUDO): Swap DO_CALL
arguments.
(DO_CALL): Swap argument order.
* sysdeps/i386/sysdep.h (PSEUDO): Fix syntax error.
(L): Define right for ELF.
* sysdeps/unix/sysv/linux/i386/sysdep.h (L): Remove definition.
Now defined in sysdeps/i386/sysdep.h.
* sysdeps/posix/readv.c: Ansify function definition.
* sysdeps/posix/writev.c: Likewise.
* stdio-common/tst-fseek.c (main): Don't assume that off_t and size_t
have the same size. Avoid direct cast from size_t to off_t.
* login/tst-utmp.c (simulate_login): Don't leave garbage after the
nul byte in entry[n].ut_user.
(simulate_logout): Likewise.
* login/programs/utmpdump.c (print_entry): Test _HAVE_UT_TYPE,
_HAVE_UT_PID, _HAVE_UT_ID, _HAVE_UT_HOST, instead of assuming the
existence of corresponding members of 'struct utmp'.
* login/tst-utmp.c: Trivialize the test if testing 'struct utmp' and
!_HAVE_UT_TYPE.
* sysdeps/unix/opendir.c (__opendir): If st_blksize is 0 or too small,
allocate a buffer of at least BUFSIZ bytes, not just of
sizeof (struct dirent).
* sysdeps/generic/glob.c: Include <limits.h>.
(NAME_MAX): Define a fallback.
(glob_in_dir): Allocate enough room for a 'struct dirent64' on the
stack.
* posix/tst-dir.c: Include <stddef.h>, for offsetof.
(main): Allocate enough room for a 'struct dirent64' on the stack.
* posix/tst-gnuglob.c (my_DIR): Allocate enough room for a
'struct dirent'.
* sysdeps/unix/sysv/linux/init-first.c: Don't include
kernel-features.h.
* inet/htontest.c: Include <sys/types.h>.
* sysdeps/generic/sys/sysinfo.h: Surround with __{BEGIN,END}_DECLS.
* include/sys/sysctl.h: Comment fix.
* elf/rtld.c (_rtld_global) [! _LIBC_REENTRANT]: Don't initialize
_dl_load_lock.
* libio/fileno.c (fileno_unlocked): Define regardless of _IO_MTSAFE_IO.
* sysdeps/unix/bsd/bsd4.4/syscalls.list (__sigaltstack): New alias.
* sysdeps/unix/inet/syscalls.list (__connect_internal): New alias.
(__getpeername): New alias.
(__getsockname): New alias.
(__socket): New alias.
* sysdeps/unix/common/syscalls.list (getpgid): Remove.
* sysdeps/unix/syscalls.list (__chown_internal): New alias.
(__fcntl_internal): New alias.
(__profil): New alias.
133 lines
4.2 KiB
C
133 lines
4.2 KiB
C
/* Assembler macros for i386.
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Copyright (C) 1991,92,93,95,96,98,2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdeps/generic/sysdep.h>
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#ifdef __ASSEMBLER__
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/* Syntactic details of assembler. */
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#ifdef HAVE_ELF
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/* ELF uses byte-counts for .align, most others use log2 of count of bytes. */
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#define ALIGNARG(log2) 1<<log2
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/* For ELF we need the `.type' directive to make shared libs work right. */
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#define ASM_TYPE_DIRECTIVE(name,typearg) .type name,typearg;
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#define ASM_SIZE_DIRECTIVE(name) .size name,.-name;
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/* In ELF C symbols are asm symbols. */
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#undef NO_UNDERSCORES
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#define NO_UNDERSCORES
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#else
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#define ALIGNARG(log2) log2
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#define ASM_TYPE_DIRECTIVE(name,type) /* Nothing is specified. */
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#define ASM_SIZE_DIRECTIVE(name) /* Nothing is specified. */
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#endif
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/* Define an entry point visible from C.
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There is currently a bug in gdb which prevents us from specifying
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incomplete stabs information. Fake some entries here which specify
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the current source file. */
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#define ENTRY(name) \
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STABS_CURRENT_FILE1("") \
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STABS_CURRENT_FILE(name) \
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ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name); \
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ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \
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.align ALIGNARG(4); \
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STABS_FUN(name) \
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C_LABEL(name) \
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CALL_MCOUNT
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#undef END
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#define END(name) \
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ASM_SIZE_DIRECTIVE(name) \
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STABS_FUN_END(name)
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/* Remove the following two lines once the gdb bug is fixed. */
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#define STABS_CURRENT_FILE(name) \
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STABS_CURRENT_FILE1 (#name)
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#define STABS_CURRENT_FILE1(name) \
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1: .stabs name,100,0,0,1b;
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/* Emit stabs definition lines. We use F(0,1) and define t(0,1) as `int',
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the same way gcc does it. */
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#define STABS_FUN(name) STABS_FUN2(name, name##:F(0,1))
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#define STABS_FUN2(name, namestr) \
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.stabs "int:t(0,1)=r(0,1);-2147483648;2147483647;",128,0,0,0; \
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.stabs #namestr,36,0,0,name;
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#define STABS_FUN_END(name) \
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1: .stabs "",36,0,0,1b-name;
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/* If compiled for profiling, call `mcount' at the start of each function. */
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#ifdef PROF
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/* The mcount code relies on a normal frame pointer being on the stack
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to locate our caller, so push one just for its benefit. */
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#define CALL_MCOUNT \
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pushl %ebp; movl %esp, %ebp; call JUMPTARGET(mcount); popl %ebp;
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#else
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#define CALL_MCOUNT /* Do nothing. */
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#endif
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#ifdef NO_UNDERSCORES
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/* Since C identifiers are not normally prefixed with an underscore
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on this system, the asm identifier `syscall_error' intrudes on the
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C name space. Make sure we use an innocuous name. */
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#define syscall_error __syscall_error
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#define mcount _mcount
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#endif
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#define PSEUDO(name, syscall_name, args) \
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.globl syscall_error; \
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lose: SYSCALL_PIC_SETUP \
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jmp JUMPTARGET(syscall_error); \
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ENTRY (name) \
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DO_CALL (syscall_name, args); \
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jb lose
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#undef PSEUDO_END
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#define PSEUDO_END(name) \
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END (name)
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#ifdef PIC
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#define JUMPTARGET(name) name##@PLT
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#define SYSCALL_PIC_SETUP \
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pushl %ebx; \
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call 0f; \
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0: popl %ebx; \
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addl $_GLOBAL_OFFSET_TABLE+[.-0b], %ebx;
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#else
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#define JUMPTARGET(name) name
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#define SYSCALL_PIC_SETUP /* Nothing. */
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#endif
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/* Local label name for asm code. */
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#ifndef L
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#ifdef HAVE_ELF
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#define L(name) .L##name
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#else
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#define L(name) name
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#endif
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#endif
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#endif /* __ASSEMBLER__ */
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