mirror of
git://sourceware.org/git/glibc.git
synced 2025-01-18 12:16:13 +08:00
Update.
1998-08-25 11:43 Ulrich Drepper <drepper@cygnus.com>
* elf/elf.h: Add syminfo stuff and other DT_* from Solaris' ELF.
1998-08-25 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
* argp/argp.h: Use __inline__ not inline.
* sysdeps/i386/bits/select.h (FD_ZERO): Rewrite asm not to indicate
an input register as being clobbered.
* sysdeps/i386/memset.c (memset): Likewise.
* sysdeps/i386/bzero.c (__bzero): Likewise.
* sysdeps/i386/memcopy.h ({BYTE,WORD}_COPY_[FB]WD): Likewise.
1998-08-25 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* stdlib/jrand48_r.c (__jrand48_r): Set also upper half of result.
Fixes PR libc/757 (Reported by Michael Creutz <creutz@bnl.gov).
This commit is contained in:
Ulrich Drepper
parent
ed1ac6a2d6
commit
6dbb7062ff
19
ChangeLog
19
ChangeLog
@ -1,3 +1,22 @@
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1998-08-25 11:43 Ulrich Drepper <drepper@cygnus.com>
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* elf/elf.h: Add syminfo stuff and other DT_* from Solaris' ELF.
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1998-08-25 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
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* argp/argp.h: Use __inline__ not inline.
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* sysdeps/i386/bits/select.h (FD_ZERO): Rewrite asm not to indicate
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an input register as being clobbered.
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* sysdeps/i386/memset.c (memset): Likewise.
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* sysdeps/i386/bzero.c (__bzero): Likewise.
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* sysdeps/i386/memcopy.h ({BYTE,WORD}_COPY_[FB]WD): Likewise.
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1998-08-25 Andreas Jaeger <aj@arthur.rhein-neckar.de>
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* stdlib/jrand48_r.c (__jrand48_r): Set also upper half of result.
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Fixes PR libc/757 (Reported by Michael Creutz <creutz@bnl.gov).
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1998-08-24 16:34 Ulrich Drepper <drepper@cygnus.com>
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* debug/catchsegv.sh: Handle text preceding backtrace better.
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@ -531,7 +531,7 @@ extern void *__argp_input __P ((__const struct argp *argp,
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# endif
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# ifndef ARGP_EI
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# define ARGP_EI extern inline
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# define ARGP_EI extern __inline__
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# endif
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ARGP_EI void
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51
elf/elf.h
51
elf/elf.h
@ -309,6 +309,38 @@ typedef struct
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Elf64_Xword st_size; /* Symbol size */
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} Elf64_Sym;
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/* The syminfo section if available contains additional information about
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every dynamic symbol. */
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typedef struct
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{
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Elf32_Half si_boundto; /* Direct bindings, symbol bound to */
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Elf32_Half si_flags; /* Per symbol flags */
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} Elf32_Syminfo;
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typedef struct
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{
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Elf64_Half si_boundto; /* Direct bindings, symbol bound to */
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Elf64_Half si_flags; /* Per symbol flags */
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} Elf64_Syminfo;
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/* Possible values for si_boundto. */
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#define SYMINFO_BT_SELF 0xffff /* Symbol bound to self */
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#define SYMINFO_BT_PARENT 0xfffe /* Symbol bound to parent */
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#define SYMINFO_BT_LOWRESERVE 0xff00 /* Beginning of reserved entries */
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/* Possible bitmasks for si_flags. */
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#define SYMINFO_FLG_DIRECT 0x0001 /* Direct bound symbol */
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#define SYMINFO_FLG_PASSTHRU 0x0002 /* Pass-thru symbol for translator */
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#define SYMINFO_FLG_COPY 0x0004 /* Symbol is a copy-reloc */
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#define SYMINFO_FLG_LAZYLOAD 0x0008 /* Symbol bound to object to be lazy
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loaded */
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/* Syminfo version values. */
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#define SYMINFO_NONE 0
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#define SYMINFO_CURRENT 1
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#define SYMINFO_NUM 2
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/* Special section index. */
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#define SHN_UNDEF 0 /* No section, undefined symbol. */
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@ -530,6 +562,25 @@ typedef struct
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#define DT_HIPROC 0x7fffffff /* End of processor-specific */
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#define DT_PROCNUM DT_MIPS_NUM /* Most used by any processor */
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/* DT_* entries which fall between DT_VALRNGHI & DT_VALRNGLO use the
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Dyn.d_un.d_val field of the Elf*_Dyn structure. This follows Sun's
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approach. */
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#define DT_VALRNGLO 0x6ffffd00
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#define DT_POSFLAG_1 0x6ffffdfd /* Flags for DT_* entries, effecting
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the following DT_* entry. */
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#define DT_SYMINSZ 0x6ffffdfe /* Size of syminfo table (in bytes) */
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#define DT_SYMINENT 0x6ffffdff /* Entry size of syminfo */
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#define DT_VALRNGHI 0x6ffffdff
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/* DT_* entries which fall between DT_ADDRRNGHI & DT_ADDRRNGLO use the
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Dyn.d_un.d_ptr field of the Elf*_Dyn structure.
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If any adjustment is made to the ELF object after it has been
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built these entries will need to be adjusted. */
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#define DT_ADDRRNGLO 0x6ffffe00
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#define DT_SYMINFO 0x6ffffeff /* syminfo table */
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#define DT_ADDRRNGHI 0x6ffffeff
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/* The versioning entry types. The next are defined as part of the
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GNU extension. */
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#define DT_VERSYM 0x6ffffff0
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@ -1,4 +1,4 @@
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/* Copyright (C) 1995, 1997 Free Software Foundation, Inc.
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/* Copyright (C) 1995, 1997, 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995.
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@ -31,7 +31,7 @@ __jrand48_r (xsubi, buffer, result)
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/* Store the result. */
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if (sizeof (unsigned short int) == 2)
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*result = (xsubi[2] & 0x7fff) | xsubi[1];
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*result = ((xsubi[2] & 0x7fff) << 16) | xsubi[1];
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else
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*result = xsubi[2] & 0x7fffffffl;
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@ -1,4 +1,4 @@
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/* Copyright (C) 1997 Free Software Foundation, Inc.
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/* Copyright (C) 1997, 1998 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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@ -24,12 +24,17 @@
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#if defined __GNUC__ && __GNUC__ >= 2
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# define __FD_ZERO(fdsetp) \
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__asm__ __volatile__ ("cld; rep; stosl" \
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: "=m" ((fdsetp)->fds_bits[__FDELT (__FD_SETSIZE)]) \
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: "a" (0), "c" (sizeof (__fd_set) \
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/ sizeof (__fd_mask)), \
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"D" (&(fdsetp)->fds_bits[0]) \
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:"cx","di","memory")
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do { \
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int __d0, __d1; \
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__asm__ __volatile__ ("cld; rep; stosl" \
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: "=m" ((fdsetp)->fds_bits[__FDELT (__FD_SETSIZE)]),\
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"=&c" (__d0), "=&D" (__d1) \
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: "a" (0), "1" (sizeof (__fd_set) \
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/ sizeof (__fd_mask)), \
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"2" (&(fdsetp)->fds_bits[0]) \
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: "memory"); \
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} while (0)
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# define __FD_SET(fd, fdsetp) \
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__asm__ __volatile__ ("btsl %1,%0" \
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: "=m" ((fdsetp)->fds_bits[__FDELT (fd)]) \
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@ -1,6 +1,6 @@
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/* bzero -- set a block of memory to zero. For Intel 80x86, x>=3.
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This file is part of the GNU C Library.
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Copyright (C) 1991, 1992, 1993, 1997 Free Software Foundation, Inc.
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Copyright (C) 1991, 1992, 1993, 1997, 1998 Free Software Foundation, Inc.
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Contributed by Torbjorn Granlund (tege@sics.se).
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The GNU C Library is free software; you can redistribute it and/or
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@ -31,7 +31,7 @@ __bzero (dstpp, len)
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size_t len;
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{
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/* N.B.: This code is almost verbatim from memset.c. */
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int d0;
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unsigned long int dstp = (unsigned long int) dstpp;
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/* This explicit register allocation
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@ -55,25 +55,25 @@ __bzero (dstpp, len)
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/* Fill bytes until DSTP is aligned on a longword boundary. */
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asm volatile ("rep\n"
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"stosb" /* %0, %2, %3 */ :
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"=D" (dstp) :
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"0" (dstp), "c" ((-dstp) % OPSIZ), "a" (x) :
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"cx");
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"=D" (dstp), "=c" (d0) :
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"0" (dstp), "1" ((-dstp) % OPSIZ), "a" (x) :
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"memory");
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/* Fill longwords. */
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asm volatile ("rep\n"
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"stosl" /* %0, %2, %3 */ :
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"=D" (dstp) :
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"0" (dstp), "c" (len / OPSIZ), "a" (x) :
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"cx");
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"=D" (dstp), "=c" (d0) :
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"0" (dstp), "1" (len / OPSIZ), "a" (x) :
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"memory");
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len %= OPSIZ;
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}
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/* Write the last few bytes. */
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asm volatile ("rep\n"
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"stosb" /* %0, %2, %3 */ :
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"=D" (dstp) :
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"=D" (dstp), "=c" (d0) :
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"0" (dstp), "c" (len), "a" (x) :
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"cx");
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"memory");
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}
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weak_alias (__bzero, bzero)
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@ -1,5 +1,5 @@
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/* memcopy.h -- definitions for memory copy functions. i386 version.
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Copyright (C) 1991, 1997 Free Software Foundation, Inc.
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Copyright (C) 1991, 1997, 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Torbjorn Granlund (tege@sics.se).
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@ -25,19 +25,23 @@
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#undef BYTE_COPY_FWD
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#define BYTE_COPY_FWD(dst_bp, src_bp, nbytes) \
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asm volatile(/* Clear the direction flag, so copying goes forward. */ \
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"cld\n" \
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/* Copy bytes. */ \
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"rep\n" \
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"movsb" : \
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"=D" (dst_bp), "=S" (src_bp) : \
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"0" (dst_bp), "1" (src_bp), "c" (nbytes) : \
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"cx")
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do { \
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int __d0; \
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asm volatile(/* Clear the direction flag, so copying goes forward. */ \
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"cld\n" \
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/* Copy bytes. */ \
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"rep\n" \
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"movsb" : \
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"=D" (dst_bp), "=S" (src_bp), "=c" (__d0) : \
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"0" (dst_bp), "1" (src_bp), "2" (nbytes) : \
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"memory"); \
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} while (0)
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#undef BYTE_COPY_BWD
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#define BYTE_COPY_BWD(dst_ep, src_ep, nbytes) \
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do \
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{ \
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int __d0; \
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asm volatile(/* Set the direction flag, so copying goes backwards. */ \
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"std\n" \
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/* Copy bytes. */ \
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@ -45,9 +49,9 @@
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"movsb\n" \
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/* Clear the dir flag. Convention says it should be 0. */ \
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"cld" : \
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"=D" (dst_ep), "=S" (src_ep) : \
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"0" (dst_ep - 1), "1" (src_ep - 1), "c" (nbytes) : \
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"cx"); \
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"=D" (dst_ep), "=S" (src_ep), "=c" (__d0) : \
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"0" (dst_ep - 1), "1" (src_ep - 1), "2" (nbytes) : \
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"memory"); \
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dst_ep += 1; \
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src_ep += 1; \
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} while (0)
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@ -56,14 +60,15 @@
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#define WORD_COPY_FWD(dst_bp, src_bp, nbytes_left, nbytes) \
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do \
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{ \
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int __d0; \
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asm volatile(/* Clear the direction flag, so copying goes forward. */ \
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"cld\n" \
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/* Copy longwords. */ \
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"rep\n" \
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"movsl" : \
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"=D" (dst_bp), "=S" (src_bp) : \
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"0" (dst_bp), "1" (src_bp), "c" ((nbytes) / 4) : \
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"cx"); \
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"=D" (dst_bp), "=S" (src_bp), "=c" (__d0) : \
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"0" (dst_bp), "1" (src_bp), "2" ((nbytes) / 4) : \
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"memory"); \
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(nbytes_left) = (nbytes) % 4; \
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} while (0)
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@ -71,6 +76,7 @@
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#define WORD_COPY_BWD(dst_ep, src_ep, nbytes_left, nbytes) \
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do \
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{ \
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int __d0; \
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asm volatile(/* Set the direction flag, so copying goes backwards. */ \
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"std\n" \
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/* Copy longwords. */ \
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@ -78,9 +84,9 @@
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"movsl\n" \
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/* Clear the dir flag. Convention says it should be 0. */ \
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"cld" : \
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"=D" (dst_ep), "=S" (src_ep) : \
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"0" (dst_ep - 4), "1" (src_ep - 4), "c" ((nbytes) / 4) : \
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"cx"); \
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"=D" (dst_ep), "=S" (src_ep), "=c" (__d0) : \
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"0" (dst_ep - 4), "1" (src_ep - 4), "2" ((nbytes) / 4) : \
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"memory"); \
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dst_ep += 4; \
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src_ep += 4; \
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(nbytes_left) = (nbytes) % 4; \
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@ -1,6 +1,6 @@
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/* Set a block of memory to some byte value.
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For Intel 80x86, x>=3.
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Copyright (C) 1991, 1992, 1993, 1997 Free Software Foundation, Inc.
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Copyright (C) 1991, 1992, 1993, 1997, 1998 Free Software Foundation, Inc.
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Contributed by Torbjorn Granlund (tege@sics.se).
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The GNU C Library is free software; you can redistribute it and/or
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@ -28,6 +28,7 @@
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void *
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memset (void *dstpp, int c, size_t len)
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{
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int d0;
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unsigned long int dstp = (unsigned long int) dstpp;
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/* This explicit register allocation
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@ -55,25 +56,25 @@ memset (void *dstpp, int c, size_t len)
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/* Fill bytes until DSTP is aligned on a longword boundary. */
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asm volatile("rep\n"
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"stosb" /* %0, %2, %3 */ :
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"=D" (dstp) :
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"0" (dstp), "c" ((-dstp) % OPSIZ), "a" (x) :
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"cx");
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"=D" (dstp), "=c" (d0) :
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"0" (dstp), "1" ((-dstp) % OPSIZ), "a" (x) :
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"memory");
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/* Fill longwords. */
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asm volatile("rep\n"
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"stosl" /* %0, %2, %3 */ :
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"=D" (dstp) :
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"0" (dstp), "c" (len / OPSIZ), "a" (x) :
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"cx");
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"=D" (dstp), "=c" (d0) :
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"0" (dstp), "1" (len / OPSIZ), "a" (x) :
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"memory");
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len %= OPSIZ;
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}
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/* Write the last few bytes. */
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asm volatile("rep\n"
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"stosb" /* %0, %2, %3 */ :
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"=D" (dstp) :
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"0" (dstp), "c" (len), "a" (x) :
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"cx");
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"=D" (dstp), "=c" (d0) :
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"0" (dstp), "1" (len), "a" (x) :
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"memory");
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return dstpp;
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}
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