Wed Nov 22 12:37:39 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* sysdeps/unix/sysv/linux/i386/sysdep.S (_errno): Define as alias for errno. * stdio-common/vfprintf.c [USE_IN_LIBIO] (vfprintf): Define as alias for _IO_vfprintf. * sysdeps/unix/sysv/linux/sockaddrcom.h: File removed. * sysdeps/unix/sysv/linux/i386/init-first.c (init): Use __fpu_control instead of ___fpu_control. * sysdeps/unix/sysv/linux/i386/ieee_fpu.c (___fpu_control): Renamed to __fpu_control. * sysdeps/unix/sysv/linux/i386/fpu_control.h: Likewise. * sysdeps/unix/sysv/linux/i386/fpu_control.c: Likewise. * elf/dl-minimal.c: New file. * elf/Makefile (rtld-routines): Add dl-minimal. * elf/rtld.c (__dgettext, __assert_fail, __assert_perror_fail): Functions moved to dl-minimal.c. * sysdeps/mach/hurd/dl-sysdep.c (malloc, free, realloc, sigjmp_save, longjmp): Likewise. * sysdeps/unix/sysv/linux/i386/brk.S (__curbrk): Always initialize to &_end, regardless of PIC. * stdio-common/vfscanf.c (__vfscanf): Fix arg name in defn.
This commit is contained in:
Roland McGrath
parent
1a3a58fd76
commit
42d2676e7c
29
ChangeLog
29
ChangeLog
|
|
@ -1,3 +1,32 @@
|
|||
Wed Nov 22 12:37:39 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
|
||||
|
||||
* sysdeps/unix/sysv/linux/i386/sysdep.S (_errno): Define as alias
|
||||
for errno.
|
||||
|
||||
* stdio-common/vfprintf.c [USE_IN_LIBIO] (vfprintf): Define as
|
||||
alias for _IO_vfprintf.
|
||||
|
||||
* sysdeps/unix/sysv/linux/sockaddrcom.h: File removed.
|
||||
|
||||
* sysdeps/unix/sysv/linux/i386/init-first.c (init): Use
|
||||
__fpu_control instead of ___fpu_control.
|
||||
* sysdeps/unix/sysv/linux/i386/ieee_fpu.c
|
||||
(___fpu_control): Renamed to __fpu_control.
|
||||
* sysdeps/unix/sysv/linux/i386/fpu_control.h: Likewise.
|
||||
* sysdeps/unix/sysv/linux/i386/fpu_control.c: Likewise.
|
||||
|
||||
* elf/dl-minimal.c: New file.
|
||||
* elf/Makefile (rtld-routines): Add dl-minimal.
|
||||
* elf/rtld.c (__dgettext, __assert_fail, __assert_perror_fail):
|
||||
Functions moved to dl-minimal.c.
|
||||
* sysdeps/mach/hurd/dl-sysdep.c (malloc, free, realloc,
|
||||
sigjmp_save, longjmp): Likewise.
|
||||
|
||||
* sysdeps/unix/sysv/linux/i386/brk.S (__curbrk): Always initialize
|
||||
to &_end, regardless of PIC.
|
||||
|
||||
* stdio-common/vfscanf.c (__vfscanf): Fix arg name in defn.
|
||||
|
||||
Tue Nov 21 14:12:13 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
|
||||
|
||||
* malloc/malloc.c (align): Don't check contiguity and call abort.
|
||||
|
|
|
|||
|
|
@ -28,7 +28,7 @@ libelf-routines := elf_hash
|
|||
libdl-routines := dlopen dlclose dlsym dlerror
|
||||
libdl-inhibit-o = $(filter-out .so,$(object-suffixes)) # Build only shared.
|
||||
|
||||
rtld-routines := rtld $(addprefix dl-,load lookup object reloc \
|
||||
rtld-routines := rtld $(addprefix dl-,minimal load lookup object reloc \
|
||||
runtime sysdep error init fini)
|
||||
distribute = $(rtld-routines:=.c) dynamic-link.h do-rel.h \
|
||||
soinit.c sofini.c ldd.sh.in linux-compat.c
|
||||
|
|
|
|||
|
|
@ -0,0 +1,153 @@
|
|||
/* Minimal replacements for basic facilities used in the dynamic linker.
|
||||
Copyright (C) 1995 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.
|
||||
|
||||
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, Inc., 675 Mass Ave,
|
||||
Cambridge, MA 02139, USA. */
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <sys/mman.h>
|
||||
#include <unistd.h>
|
||||
#include <assert.h>
|
||||
#include <string.h>
|
||||
#include <link.h>
|
||||
#include "../stdio-common/_itoa.h"
|
||||
|
||||
/* Minimal `malloc' allocator for use while loading shared libraries.
|
||||
Only small blocks are allocated, and none are ever freed. */
|
||||
|
||||
static void *alloc_ptr, *alloc_end, *alloc_last_block;
|
||||
|
||||
void *
|
||||
malloc (size_t n)
|
||||
{
|
||||
extern int _dl_zerofd;
|
||||
static size_t pagesize;
|
||||
|
||||
if (pagesize == 0)
|
||||
pagesize = __getpagesize ();
|
||||
|
||||
if (_dl_zerofd == -1)
|
||||
_dl_zerofd = _dl_sysdep_open_zero_fill ();
|
||||
|
||||
if (alloc_end == 0)
|
||||
{
|
||||
/* Consume any unused space in the last page of our data segment. */
|
||||
extern int _end;
|
||||
alloc_ptr = &_end;
|
||||
alloc_end = (void *) 0 + (((alloc_ptr - (void *) 0) + pagesize - 1)
|
||||
& ~(pagesize - 1));
|
||||
}
|
||||
|
||||
/* Make sure the allocation pointer is ideally aligned. */
|
||||
alloc_ptr = (void *) 0 + (((alloc_ptr - (void *) 0) + sizeof (double) - 1)
|
||||
& ~(sizeof (double) - 1));
|
||||
|
||||
if (alloc_ptr + n >= alloc_end)
|
||||
{
|
||||
/* Insufficient space left; allocate another page. */
|
||||
caddr_t page;
|
||||
assert (n <= pagesize);
|
||||
page = mmap (0, pagesize, PROT_READ|PROT_WRITE, MAP_ANON, _dl_zerofd, 0);
|
||||
assert (page != (caddr_t) -1);
|
||||
if (page != alloc_end)
|
||||
alloc_ptr = page;
|
||||
alloc_end = page + pagesize;
|
||||
}
|
||||
|
||||
alloc_last_block = (void *) alloc_ptr;
|
||||
alloc_ptr += n;
|
||||
return alloc_last_block;
|
||||
}
|
||||
weak_symbol (malloc)
|
||||
|
||||
/* This will rarely be called. */
|
||||
void
|
||||
free (void *ptr)
|
||||
{
|
||||
/* We can free only the last block allocated. */
|
||||
if (ptr == alloc_last_block)
|
||||
alloc_ptr = alloc_last_block;
|
||||
}
|
||||
weak_symbol (free)
|
||||
|
||||
/* This is never called. */
|
||||
void *
|
||||
realloc (void *ptr, size_t n)
|
||||
{ ptr += n; abort (); }
|
||||
weak_symbol (realloc)
|
||||
|
||||
/* Avoid signal frobnication in setjmp/longjmp. Keeps things smaller. */
|
||||
|
||||
#include <setjmp.h>
|
||||
|
||||
int __sigjmp_save (sigjmp_buf env, int savemask)
|
||||
{ env[0].__mask_was_saved = savemask; return 0; }
|
||||
weak_symbol (__sigjmp_save)
|
||||
|
||||
void
|
||||
longjmp (jmp_buf env, int val) { __longjmp (env[0].__jmpbuf, val); }
|
||||
weak_symbol (longjmp)
|
||||
|
||||
|
||||
/* Define our own stub for the localization function used by strerror.
|
||||
English-only in the dynamic linker keeps it smaller. */
|
||||
|
||||
char *
|
||||
__dgettext (const char *domainname, const char *msgid)
|
||||
{
|
||||
assert (domainname == _libc_intl_domainname);
|
||||
return (char *) msgid;
|
||||
}
|
||||
weak_symbol (__dgettext)
|
||||
weak_alias (__dgettext, dgettext)
|
||||
|
||||
#ifndef NDEBUG
|
||||
|
||||
/* Define (weakly) our own assert failure function which doesn't use stdio.
|
||||
If we are linked into the user program (-ldl), the normal __assert_fail
|
||||
defn can override this one. */
|
||||
|
||||
void
|
||||
__assert_fail (const char *assertion,
|
||||
const char *file, unsigned int line, const char *function)
|
||||
{
|
||||
char buf[64];
|
||||
buf[sizeof buf - 1] = '\0';
|
||||
_dl_sysdep_fatal ("BUG IN DYNAMIC LINKER ld.so: ",
|
||||
file, ": ", _itoa (line, buf + sizeof buf - 1, 10, 0),
|
||||
": ", function ?: "", function ? ": " : "",
|
||||
"Assertion `", assertion, "' failed!\n",
|
||||
NULL);
|
||||
|
||||
}
|
||||
weak_symbol (__assert_fail)
|
||||
|
||||
void
|
||||
__assert_perror_fail (int errnum,
|
||||
const char *file, unsigned int line,
|
||||
const char *function)
|
||||
{
|
||||
char buf[64];
|
||||
buf[sizeof buf - 1] = '\0';
|
||||
_dl_sysdep_fatal ("BUG IN DYNAMIC LINKER ld.so: ",
|
||||
file, ": ", _itoa (line, buf + sizeof buf - 1, 10, 0),
|
||||
": ", function ?: "", function ? ": " : "",
|
||||
"Unexpected error: ", strerror (errnum), "\n", NULL);
|
||||
|
||||
}
|
||||
weak_symbol (__assert_perror_fail)
|
||||
|
||||
#endif
|
||||
50
elf/rtld.c
50
elf/rtld.c
|
|
@ -381,53 +381,3 @@ void
|
|||
_dl_r_debug_state (void)
|
||||
{
|
||||
}
|
||||
|
||||
/* Define our own stub for the localization function used by strerror.
|
||||
English-only in the dynamic linker keeps it smaller. */
|
||||
|
||||
char *
|
||||
__dgettext (const char *domainname, const char *msgid)
|
||||
{
|
||||
assert (domainname == _libc_intl_domainname);
|
||||
return (char *) msgid;
|
||||
}
|
||||
weak_symbol (__dgettext)
|
||||
weak_alias (__dgettext, dgettext)
|
||||
|
||||
#ifndef NDEBUG
|
||||
|
||||
/* Define (weakly) our own assert failure function which doesn't use stdio.
|
||||
If we are linked into the user program (-ldl), the normal __assert_fail
|
||||
defn can override this one. */
|
||||
|
||||
void
|
||||
__assert_fail (const char *assertion,
|
||||
const char *file, unsigned int line, const char *function)
|
||||
{
|
||||
char buf[64];
|
||||
buf[sizeof buf - 1] = '\0';
|
||||
_dl_sysdep_fatal ("BUG IN DYNAMIC LINKER ld.so: ",
|
||||
file, ": ", _itoa (line, buf + sizeof buf - 1, 10, 0),
|
||||
": ", function ?: "", function ? ": " : "",
|
||||
"Assertion `", assertion, "' failed!\n",
|
||||
NULL);
|
||||
|
||||
}
|
||||
weak_symbol (__assert_fail)
|
||||
|
||||
void
|
||||
__assert_perror_fail (int errnum,
|
||||
const char *file, unsigned int line,
|
||||
const char *function)
|
||||
{
|
||||
char buf[64];
|
||||
buf[sizeof buf - 1] = '\0';
|
||||
_dl_sysdep_fatal ("BUG IN DYNAMIC LINKER ld.so: ",
|
||||
file, ": ", _itoa (line, buf + sizeof buf - 1, 10, 0),
|
||||
": ", function ?: "", function ? ": " : "",
|
||||
"Unexpected error: ", strerror (errnum), "\n", NULL);
|
||||
|
||||
}
|
||||
weak_symbol (__assert_perror_fail)
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -617,6 +617,11 @@ vfprintf (s, format, ap)
|
|||
return done;
|
||||
}
|
||||
|
||||
#ifdef USE_IN_LIBIO
|
||||
#undef vfprintf
|
||||
strong_alias (_IO_vfprintf, vfprintf)
|
||||
#endif
|
||||
|
||||
|
||||
/* Handle an unknown format specifier. This prints out a canonicalized
|
||||
representation of the format spec itself. */
|
||||
|
|
|
|||
|
|
@ -98,10 +98,7 @@ _IO_vfscanf (s, format, argptr, errp)
|
|||
int *errp;
|
||||
#else
|
||||
int
|
||||
__vfscanf (s, format, arg)
|
||||
FILE *s;
|
||||
const char *format;
|
||||
va_list argptr;
|
||||
__vfscanf (FILE *s, const char *format, va_list argptr)
|
||||
#endif
|
||||
{
|
||||
va_list arg = (va_list) argptr;
|
||||
|
|
|
|||
|
|
@ -535,62 +535,6 @@ weak_symbol (open)
|
|||
weak_symbol (close)
|
||||
weak_symbol (mmap)
|
||||
|
||||
/* Minimal `malloc' allocator for use while loading shared libraries.
|
||||
Only small blocks are allocated, and none are ever freed. */
|
||||
|
||||
void *
|
||||
malloc (size_t n)
|
||||
{
|
||||
static vm_address_t ptr, end;
|
||||
void *block;
|
||||
|
||||
if (end == 0)
|
||||
{
|
||||
/* Consume any unused space in the last page of our data segment. */
|
||||
extern char _end;
|
||||
ptr = (vm_address_t) &_end;
|
||||
end = round_page (ptr);
|
||||
}
|
||||
|
||||
/* Make sure the allocation pointer is ideally aligned. */
|
||||
ptr += sizeof (double) - 1;
|
||||
ptr &= ~(sizeof (double) - 1);
|
||||
|
||||
if (ptr + n >= end)
|
||||
{
|
||||
/* Insufficient space left; allocate another page. */
|
||||
vm_address_t page;
|
||||
assert (n <= __vm_page_size);
|
||||
__vm_allocate (__mach_task_self (), &page, __vm_page_size, 1);
|
||||
if (page != end)
|
||||
ptr = page;
|
||||
end = page + __vm_page_size;
|
||||
}
|
||||
|
||||
block = (void *) ptr;
|
||||
ptr += n;
|
||||
return block;
|
||||
}
|
||||
weak_symbol (malloc)
|
||||
|
||||
/* This should never be called. */
|
||||
void *realloc (void *ptr, size_t n) { ptr += n; abort (); }
|
||||
weak_symbol (realloc)
|
||||
|
||||
/* This will rarely be called. */
|
||||
void free (void *ptr) { ptr = ptr; }
|
||||
weak_symbol (free)
|
||||
|
||||
/* Avoid signal frobnication in setjmp/longjmp. */
|
||||
|
||||
int __sigjmp_save (sigjmp_buf env, int savemask)
|
||||
{ env[0].__mask_was_saved = savemask; return 0; }
|
||||
weak_symbol (__sigjmp_save)
|
||||
|
||||
void
|
||||
longjmp (jmp_buf env, int val) { __longjmp (env[0].__jmpbuf, val); }
|
||||
weak_symbol (longjmp)
|
||||
|
||||
|
||||
/* This function is called by interruptible RPC stubs. For initial
|
||||
dynamic linking, just use the normal mach_msg. Since this defn is
|
||||
|
|
|
|||
|
|
@ -21,15 +21,7 @@ Cambridge, MA 02139, USA. */
|
|||
.data
|
||||
.globl C_SYMBOL_NAME(__curbrk)
|
||||
C_LABEL(__curbrk)
|
||||
#ifdef PIC
|
||||
.long 0
|
||||
#else
|
||||
# ifdef HAVE_GNU_LD
|
||||
.long C_SYMBOL_NAME(_end)
|
||||
# else
|
||||
.long C_SYMBOL_NAME(end)
|
||||
# endif
|
||||
#endif
|
||||
|
||||
.text
|
||||
|
||||
|
|
|
|||
|
|
@ -17,4 +17,4 @@ License along with the GNU C Library; see the file COPYING.LIB. If
|
|||
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||||
Boston, MA 02111-1307, USA. */
|
||||
|
||||
unsigned short ___fpu_control = 0;
|
||||
unsigned short __fpu_control = 0;
|
||||
|
|
|
|||
|
|
@ -21,7 +21,7 @@ Boston, MA 02111-1307, USA. */
|
|||
#define _FPU_CONTROL_H
|
||||
|
||||
/* Here is the dirty part. Settup up your 387 through the control word
|
||||
* (cw) register.
|
||||
* (cw) register.
|
||||
*
|
||||
* 15-13 12 11-10 9-8 7-6 5 4 3 2 1 0
|
||||
* | reserved | IC | RC | PC | reserved | PM | UM | OM | ZM | DM | IM
|
||||
|
|
@ -32,7 +32,7 @@ Boston, MA 02111-1307, USA. */
|
|||
* OM: Overflow mask
|
||||
* UM: Underflow mask
|
||||
* PM: Precision (inexact result) mask
|
||||
*
|
||||
*
|
||||
* Mask bit is 1 means no interrupt.
|
||||
*
|
||||
* PC: Precision control
|
||||
|
|
@ -55,7 +55,7 @@ Boston, MA 02111-1307, USA. */
|
|||
#include <features.h>
|
||||
|
||||
/* masking of interrupts */
|
||||
#define _FPU_MASK_IM 0x01
|
||||
#define _FPU_MASK_IM 0x01
|
||||
#define _FPU_MASK_DM 0x02
|
||||
#define _FPU_MASK_ZM 0x04
|
||||
#define _FPU_MASK_OM 0x08
|
||||
|
|
@ -82,13 +82,13 @@ Boston, MA 02111-1307, USA. */
|
|||
- extended precision
|
||||
- rounding to nearest
|
||||
- exceptions on overflow, zero divide and NaN */
|
||||
#define _FPU_DEFAULT 0x1372
|
||||
#define _FPU_DEFAULT 0x1372
|
||||
|
||||
/* IEEE: same as above, but exceptions */
|
||||
#define _FPU_IEEE 0x137f
|
||||
|
||||
/* private namespace. It should only be used in init-first.o. */
|
||||
extern unsigned short ___fpu_control;
|
||||
extern unsigned short __fpu_control;
|
||||
|
||||
__BEGIN_DECLS
|
||||
|
||||
|
|
|
|||
|
|
@ -19,4 +19,4 @@ Boston, MA 02111-1307, USA. */
|
|||
|
||||
#include <fpu_control.h>
|
||||
|
||||
unsigned short ___fpu_control = _FPU_IEEE;
|
||||
unsigned short __fpu_control = _FPU_IEEE;
|
||||
|
|
|
|||
|
|
@ -44,7 +44,7 @@ init (int *data)
|
|||
: : "a" (SYS_ify (personality)));
|
||||
|
||||
/* Set the FPU control word to the proper default value. */
|
||||
__setfpucw (___fpu_control);
|
||||
__setfpucw (__fpu_control);
|
||||
|
||||
__environ = envp;
|
||||
__libc_init (argc, argv, envp);
|
||||
|
|
|
|||
|
|
@ -24,6 +24,7 @@ Cambridge, MA 02139, USA. */
|
|||
|
||||
...and this place is here. */
|
||||
.comm errno,4,4
|
||||
_errno = errno /* This name is expected by hj libc.so.5 startup code. */
|
||||
|
||||
/* The following code is not used at all in the shared library.
|
||||
The PIC system call stubs set errno themselves. */
|
||||
|
|
|
|||
|
|
@ -1,37 +0,0 @@
|
|||
/* Definition of `struct sockaddr_*' common members. Generic/4.2 BSD version.
|
||||
Copyright (C) 1995 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.
|
||||
|
||||
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, Inc., 675 Mass Ave,
|
||||
Cambridge, MA 02139, USA. */
|
||||
|
||||
#ifndef _SOCKADDRCOM_H
|
||||
#define _SOCKADDRCOM_H 1
|
||||
|
||||
/* This prevents including the file <linux/socket.h>. */
|
||||
#define _LINUX_SOCKET_H
|
||||
#define _LINUX_TYPES_H
|
||||
|
||||
/* This macro is used to declare the initial common members
|
||||
of the data types used for socket addresses, `struct sockaddr',
|
||||
`struct sockaddr_in', `struct sockaddr_un', etc. */
|
||||
|
||||
#define __SOCKADDR_COMMON(sa_prefix) \
|
||||
unsigned short int sa_prefix##family
|
||||
|
||||
#define __SOCKADDR_COMMON_SIZE (sizeof (unsigned short int))
|
||||
|
||||
|
||||
#endif /* sockaddrcom.h */
|
||||
Loading…
Reference in New Issue