diff options
author | Ulrich Drepper <drepper@redhat.com> | 1997-09-11 12:09:10 +0000 |
---|---|---|
committer | Ulrich Drepper <drepper@redhat.com> | 1997-09-11 12:09:10 +0000 |
commit | 9a0a462ceb4ab96c909b182f3052de2ef13fbe3a (patch) | |
tree | 59456497b6acefe69aab04fc28c38ea38852ccc7 /sysdeps/alpha | |
parent | 26b4d7667169f8db26fd8194b3c498ec58e50f90 (diff) | |
download | glibc-9a0a462ceb4ab96c909b182f3052de2ef13fbe3a.tar.gz glibc-9a0a462ceb4ab96c909b182f3052de2ef13fbe3a.tar.xz glibc-9a0a462ceb4ab96c909b182f3052de2ef13fbe3a.zip |
Update.
1997-09-11 04:36 Ulrich Drepper <drepper@cygnus.com> * db2/db_int.h: Define __set_errno if not yet available. * db2/btree/bt_rec.c: Use __set_errno to set errno value. * db2/clib/getlong.c: Likewise. * db2/db185/db185.c: Likewise. * db2/db185/db185_int.h: Likewise. * db2/dbm/dbm.c: Likewise. * db2/lock/lock_deadlock.c: Likewise. * db2/log/log_archive.c: Likewise. * elf/dl-profile.c: Implement mcount function. * gmon/gmon.c: Use __profil not profil because of namespace pollution. * gmon/mcount.c: Remove BSD kernel code. Use compare&swap instruction if possible to change state variable. Optimize frompc folding. * gmon/sys/gmon.h (struct gmonparam): Change state field to long int. * sysdeps/i386/i486/atomicity.h: New file. * sysdeps/stub/atomicity.h: New file. * sysdeps/mach/hurd/profil.c: Define function as __profil and make profil weak alias. * sysdeps/posix/profil.c: Likewise. * string/bits/string2.h: New file. * include/bits/string2.h: New file. * string/Makefile (routines): Add mempcpy. (tests): Add inl-tester. Remove _D__NO_STRING_INLINES from CFLAGS-* variables. * sysdeps/generic/mempcpy.c: New file. * sysdeps/generic/memccpy.c: Undef function name to enable definition as macro. * sysdeps/generic/memchr.c: Likewise. * sysdeps/generic/memcmp.c: Likewise. * sysdeps/generic/memmem.c: Likewise. * sysdeps/generic/memmove.c: Likewise. * sysdeps/generic/strcat.c: Likewise. * sysdeps/generic/strchr.c: Likewise. * sysdeps/generic/strcmp.c: Likewise. * sysdeps/generic/strcpy.c: Likewise. * sysdeps/generic/strcspn.c: Likewise. * sysdeps/generic/strlen.c: Likewise. * sysdeps/generic/strncat.c: Likewise. * sysdeps/generic/strncmp.c: Likewise. * sysdeps/generic/strncpy.c: Likewise. * sysdeps/generic/strpbrk.c: Likewise. * sysdeps/generic/strrchr.c: Likewise. * sysdeps/generic/strsep.c: Likewise. * sysdeps/generic/strspn.c: Likewise. * sysdeps/generic/strstr.c: Likewise. * sysdeps/generic/strtok.c: Likewise. * sysdeps/generic/strtok_r.c: Likewise. * sysdeps/i386/memset.c: Likewise. * sysdeps/i386/bits/string.h: Correct a few types and constraints. * sysdeps/i386/i486/bits/string.h: Heavy rewrites and optimizations. * string/stratcliff.c: Undefine __USE_STRING_INLINES. * string/tst-strlen.c: Likewise. * string/string.h: Add prototype for mempcpy. Include bits/string2.h header always if optimizing. * intl/dcgettext.c: Don't unconditionally define stpcpy, only if not yet defined. * intl/l10nflist.c: Likewise. * string/tester.c: Add copyright and make little cleanups. * inet/test_ifindex.c: Change type of ni variable to unsigned int. * locale/programs/ld-ctype.c (struct locale_ctype_t): Change type of fields map_collection_max and map_collection_act to size_t. * nss/libnss_files.map: Group entries. * posix/unistd.h: Add prototype for __setpgid and __profil. * sysdeps/generic/crypt.h: Declare __crypt_r. * sysdeps/i386/bits/select.h: Fix fatal bugs, use correct casts now. * sysdeps/i386/fpu/bits/mathinline.h (isgreater, isgreaterequal, isless, islessequal, islessgreater, isunordered): Optimize a bit. * sysdeps/stub/ftruncate.c: Include missing header for prototype. * sysdeps/stub/getdents.c: Likewise. * sysdeps/stub/reboot.c: Likewise. * sysdeps/stub/swapon.c: Likewise. * sysdeps/stub/syscall.c: Likewise. * sysdeps/stub/ualarm.c: Likewise. * sysdeps/stub/usleep.c: Likewise. * sysdeps/unix/sysv/linux/if_index.c: Don't compile or use opensock if SIOGIFINDEX and SIOGIFNAME are not defined. * sysdeps/unix/sysv/linux/net/if.h: Add IFF_PORTSEL and IFF_AUTOMEDIA according to recent kernel changes. 1997-09-10 21:32 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de> * Makeconfig: Use $(have-initfini) instead of $(elf) to figure out the installed name of the startup code. (common-generated): Add version.mk. * Makefile (distclean-1): Add glibcbug. * Makerules: Replace -lgcc by $(gnulib). * catgets/Makefile (generated): Add xmalloc.o. * csu/Makefile (generated): Replace align.h and end.h by defs.h to match the generated file. * manual/Makefile (mostlyclean): Add stub-manual and stamp.o. (realclean): Changed to remove chapters-incl[12]. * po/Makefile (realclean): New rule to remove the generated .mo files. * time/Makefile: Only include zonefile dependencies if $(no_deps) is not true to avoid make clean failure when directory time doesn't exist yet. (generated): Add tzselect. * stdio/fgets.c (fgets): Add casts to reduce gcc warning noise. * stdio/internals.c (flushbuf): Likewise. * stdio/linewrap.c (lwupdate): Likewise. * stdio/memstream.c (enlarge_buffer): Likewise. * stdio-common/vfscanf.c (_IO_vfscanf): Likewise. * time/tzset.c (compute_change): Likewise. * misc/init-misc.c (__init_misc): Only declare static if HAVE_GNU_LD is defined. * sysdeps/posix/pipestream.c (FUNC): Change to generate ANSI C style functions. * sysdeps/stub/init-posix.c: Likewise. * sysdeps/stub/profil.c: Likewise. * munch-tmpl.c (__libc_init): Convert to ANSI C style declaration to reduce gcc warning noise. * stdio/glue.c (_filbuf, _flsbuf): Likewise. * stdio/obstream.c (grow, seek, input, init_obstream): Likewise. * stdio/vasprintf.c (enlarge_buffer): Likewise. * sysdeps/generic/sysd-stdio.c (__stdio_read, __stdio_write, __stdio_seek, __stdio_close, __stdio_fileno, __stdio_open, __stdio_reopen): Likewise. * sysdeps/posix/defs.c (_cleanup): Likewise. * time/offtime.c (__offtime): Add cast. * posix/getopt.c: Don't use text_set_element if not defined. * configure.in: Provide a check for underscores before user labels that works even when the compiler used for building doesn't work (like when there is no C library). Use the old way if the compiler works. 1997-09-10 05:08 David S. Miller <davem@caip.rutgers.edu> * sysdeps/unix/sysv/linux/sparc/bits/ioctls.h: The TC* ioctls use 'T' not 't' on SparcLinux. * sysdeps/unix/sysv/linux/sparc/bits/termios.h: tcflag_t is 32 bits. * sysdeps/unix/sysv/linux/sparc/sparc64/longjmp.S: Add aliases for _longjmp and siglongjmp. 1997-09-09 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * libio/stdio.h: Add format attributes to the extra printf and scanf like functions. * stdio/stdio.h: Likewise. 1997-09-09 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * nis/nss_nisplus/nisplus-network.c (_nss_nisplus_getnetbyaddr_r): Print tablename_val, not tablename_len. * nis/nss_nisplus/nisplus-ethers.c (_nss_nisplus_getntohost_r): Use sprintf instead of sprintf, the string always fits. * nis/nss_nisplus/nisplus-hosts.c (_nss_nisplus_gethostbyaddr_r): Likewise. * nis/nss_nisplus/nisplus-network.c (_nss_nisplus_getnetbyaddr_r): Likewise. * nis/nss_nisplus/nisplus-proto.c (_nss_nisplus_getprotobynumber_r): Likewise. * nis/nss_nisplus/nisplus-rpc.c (_nss_nisplus_getrpcbynumber_r): Likewise. * nis/nss_nisplus/nisplus-service.c (_nss_nisplus_getservbynumber_r): Likewise. * nis/nss_nisplus/nisplus-alias.c (_nss_create_tablename): Use __stpcpy, __stpncpy and __strdup instead of public names. * nis/nss_nisplus/nisplus-ethers.c (_nss_create_tablename): Likewise. * nis/nss_nisplus/nisplus-grp.c (_nss_create_tablename): Likewise. * nis/nss_nisplus/nisplus-hosts.c (_nss_create_tablename): Likewise. * nis/nss_nisplus/nisplus-netgrp.c (_nss_nisplus_parse_netgroup): Likewise. * nis/nss_nisplus/nisplus-network.c (_nss_nisplus_parse_netent): Likewise. (_nss_create_tablename): Likewise. * nis/nss_nisplus/nisplus-proto.c (_nss_nisplus_parse_protoent): Likewise. (_nss_create_tablename): Likewise. * nis/nss_nisplus/nisplus-pwd.c (_nss_create_tablename): Likewise. * nis/nss_nisplus/nisplus-rpc.c (_nss_nisplus_parse_rpcent): Likewise. (_nss_create_tablename): Likewise. * nis/nss_nisplus/nisplus-service.c (_nss_nisplus_parse_servent): Likewise. (_nss_create_tablename): Likewise. * nis/nss_nisplus/nisplus-spwd.c (_nss_create_tablename): Likewise. * libc.map: Export __stpcpy and __strdup. 1997-09-09 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * math/Makefile (CFLAGS-test-float.c, CFLAGS-test-double.c, CFLAGS-test-ldouble.c): Pass -ffloat-store to avoid excessive precision. 1997-09-09 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * include/rpc/auth_des.h: New file. 1997-09-09 Paul Eggert <eggert@twinsun.com> * time/mktime.c (__mktime_internal): Declare sec_requested even if !LEAP_SECONDS_POSSIBLE, since it's needed at the end when checking for time_t overflow. 1997-09-09 22:11 Ulrich Drepper <drepper@cygnus.com> * sysdeps/posix/getcwd.c: Correct test for too small buffer. Reported by Erik Troan <ewt@redhat.com>. * elf/dl-close.c: Include <bits/libc-lock.h>, not <libc-lock.h>. * elf/dl-open.c: Likewise. 1997-09-07 17:09 Richard Henderson <rth@cygnus.com> * sysdeps/alpha/Makefile: Kill setjmp_aux. * sysdeps/alpha/bits/setjmp.h: Rewrite in terms of an array. * sysdeps/alpha/__longjmp.c: Remove. * sysdeps/alpha/setjmp_aux.c: Remove. * sysdeps/alpha/__longjmp.S: New file. * sysdeps/alpha/bsd-_setjmp.S: Stub out. * sysdeps/alpha/bsd-setjmp.S: Likewise. * sysdeps/alpha/setjmp.S: Do the work; don't call __setjmp_aux. Move _setjmp and setjmp from bsd-*.S. 1997-09-06 20:20 Ulrich Drepper <drepper@cygnus.com> * include/rpc/auth.h: New file. * include/rpc/auth_unix.h: New file. 1997-09-06 Paul Eggert <eggert@twinsun.com> Fix gmtime so that it reports leap seconds when TZ indicates that leap seconds are desired. * time/gmtime.c (<stddef.h>): Remove unnecessary include. (gmtime): Put after gmtime_r, to help the compiler inline. (__tz_convert): New decl. (gmtime_r): Use __tz_convert instead of __offtime, so that leap seconds are handled correctly. * time/localtime.c (<errno.h>, <libc-lock.h>): Remove includes that are now unnecessary. (__tzset_internal, __tz_compute, __tzfile_compute, __use_tzfile, __tzset_lock): Remove extern decls that are now unnecessary. (localtime_internal): Moved to __tz_convert in tzset.c. so that localtime and gmtime can both use it easily. (localtime): Put after localtime_r, to help the compiler inline. (localtime_r): Use __tz_convert instead of localtime_internal. * time/strftime.c (__tz_compute): Remove unused (and now incorrect) decl. * time/tzfile.c (__tzfile_compute): New arg USE_LOCALTIME. * time/tzset.c (<errno.h>): Include. (_tmbuf): New decl. (__tzfile_compute): New function. (tz_compute): Renamed from __tz_compute. No longer extern. Remove redundant call to tzset_internal. (tzset_internal): Renamed from __tzset_internal. No longer extern. (tzset_lock): Renamed from __tzset_lock. No longer extern. (__tz_convert): New function, containing functionality of old localtime_internal function, plus locking and optional UTC. 1997-09-06 Paul Eggert <eggert@twinsun.com> * time/tzfile.c (__tzfile_read): Don't read a file if TZ is the empty string, just use UTC without leap seconds. This is for compatibility with the Olson code. 1997-09-06 Paul Eggert <eggert@twinsun.com> * time/tzset.c (__tzname_max): Lock tz data structures before invoking tzset_internal. * time/tzfile.c: Define compute_tzname_max statically. 1997-09-07 10:57 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * nis/nis_call.c: Remove not longer necessary HAVE_SECURE_RPC ifdefs. * nis/nis_intern.h: Likewise. * nis/nss_nis/nis-publickey.c: Likewise. * nis/nss_nisplus/nisplus-publickey.c: Likewise. * nis/ypclnt.c: Likewise. * sunrpc/auth_des.c: Don't dereference NULL pointer, initialize ad->ad_timediff. * sunrpc/auth_none.c: Don't define our own prototypes, use the one from the header files. * sunrpc/auth_unix.c: Likewise. * sunrpc/clnt_raw.c: Likewise. * sunrpc/clnt_tcp.c: Likewise. * sunrpc/rpc_cmsg.c: Likewise. * sunrpc/key_call.c: Fix signal handling. * sunrpc/openchild.c: Don't use /bin/sh to start /usr/etc/keyenvoy, or we will get a deadlock with NIS+. * sunrpc/rpc/auth.h: Add prototype for xdr_opaque_auth, don't define HAVE_SECURE_RPC. 1997-09-07 15:51 Ulrich Drepper <drepper@cygnus.com> * sysdeps/i386/bits/select.h [__GNUC__] (__FD_ZERO, __FD_SET, __FD_CLR, __FD_ISSET): Use correct casts to address array correctly. Reported by urbanw@cs.umu.se. 1997-09-07 05:07 Ulrich Drepper <drepper@cygnus.com> * elf/dl-close.c: Include <bits/libc-lock.h>, not <libc-lock.h>. * elf/dl-open.c: Likewise. * sysdeps/i386/memset.c: Undefine memset in case the header with the optimized functions is included. Patches by NIIBE Yutaka <gniibe@mri.co.jp>. * sysdeps/i386/bits/string.h [__PIC__] (strcspn, strspn, strpbrk, strsep): Use register for second parameter. * sysdeps/i386/i486/bits/string.h: Likewise. Reported by NIIBE Yutaka <gniibe@mri.co.jp>. 1997-09-03 09:48 Geoff Keating <geoffk@ozemail.com.au> * math/libm-test.c: Change various tolerances to match what the tested routines can actually provide. * math/Makefile: Add new tests. * math/atest-sincos.c: New file. * math/atest-exp.c: New file. * csu/Makefile: Give initfini.s and initfiniS.s their own CFLAGS-* macros so they can be overridden. * sysdeps/powerpc/Makefile [subdir=csu]: Override flags for initfiniS.s to use -fpic instead of -fPIC, because the sed script breaks otherwise. * sysdeps/powerpc/Makefile [build-shared]: Use -fpic not -fPIC for efficiency. * sysdeps/powerpc/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE): Don't use register 0, to let _mcount be in a shared object. * sysdeps/powerpc/dl-machine.h: Use full sentences in comments. Generally clean up. Suppress some code we don't need when relocating ld.so. * sysdeps/powerpc/test-arith.c: Change loop indices to size_t when appropriate to suppress gcc warning. * resolv/res_send.c: Suppress warning. * sunrpc/xdr_sizeof.c: Suppress warning. * FAQ: Add ppc-linux. * manual/maint.texi: Add ppc-linux. Explain that gcc can't build it yet. * sysdeps/unix/sysv/linux/powerpc/profil-counter.h: Correct for current kernels. 1997-08-15 07:45 Geoff Keating <geoffk@ozemail.com.au> * stdlib/fmtmsg.c: Use two parameters for __libc_once_define. * sysdeps/i386/machine-gmon.h: Correct typo. * sysdeps/unix/sysv/linux/powerpc/bits/mman.h: Change to match kernel. * sysdeps/generic/dl-sysdep.c: Add hook for bizzare PPC argument hack. * sysdeps/unix/sysv/linux/powerpc/dl-sysdep.c: Rewrite to use sysdeps/linux/dl-sysdep.c. * sysdeps/powerpc/Makefile [subdir=gmon]: Compile ppc-mcount. * sysdeps/powerpc/machine-gmon.h: Use ppc-mcount. * sysdeps/powerpc/ppc-mcount: New file. The following are mostly changes to allow profiling: * sysdeps/powerpc/add_n.S: Added. * sysdeps/powerpc/add_n.s: Removed. * sysdeps/powerpc/addmul_1.S: Added. * sysdeps/powerpc/addmul_1.s: Removed. * sysdeps/powerpc/bsd-_setjmp.S: Use JUMPTARGET macro. * sysdeps/powerpc/bsd-setjmp.S: Use JUMPTARGET macro. * sysdeps/powerpc/lshift.S: Added. * sysdeps/powerpc/lshift.s: Removed. * sysdeps/powerpc/memset.S: Added. * sysdeps/powerpc/memset.s: Removed. * sysdeps/powerpc/mul_1.S: Added. * sysdeps/powerpc/mul_1.s: Removed. * sysdeps/powerpc/rshift.S: Added. * sysdeps/powerpc/rshift.s: Removed. * sysdeps/powerpc/s_copysign.S: Use ENTRY, END, weak_alias macros. * sysdeps/powerpc/s_fabs.S: Use ENTRY, END, weak_alias macros. * sysdeps/powerpc/setjmp.S: Use JUMPTARGET macro. * sysdeps/powerpc/strchr.S: Added. * sysdeps/powerpc/strchr.s: Removed. * sysdeps/powerpc/strcmp.S: Added. * sysdeps/powerpc/strcmp.s: Removed. * sysdeps/powerpc/strlen.S: Added. * sysdeps/powerpc/strlen.s: Removed. * sysdeps/powerpc/sub_n.S: Added. * sysdeps/powerpc/sub_n.s: Removed. * sysdeps/powerpc/submul_1.S: Added. * sysdeps/powerpc/submul_1.s: Removed. * sysdeps/unix/sysv/linux/powerpc/_exit.S: Removed. * sysdeps/unix/sysv/linux/powerpc/brk.S: Added. * sysdeps/unix/sysv/linux/powerpc/brk.c: Removed. * sysdeps/unix/sysv/linux/powerpc/clone.S: Use new macros. Fix various bugs. Document that it isn't tested. * sysdeps/unix/sysv/linux/powerpc/sigreturn.S: Make look like sysdeps/unix/_exit.S. * sysdeps/unix/sysv/linux/powerpc/socket.S: Use new macros. * sysdeps/unix/sysv/linux/powerpc/syscall.S: Use new macros. * sysdeps/unix/sysv/linux/powerpc/sysdep.h: Define some new macros to make assembler (possibly) more portable, allow profiling, etc.
Diffstat (limited to 'sysdeps/alpha')
-rw-r--r-- | sysdeps/alpha/Makefile | 6 | ||||
-rw-r--r-- | sysdeps/alpha/__longjmp.S | 59 | ||||
-rw-r--r-- | sysdeps/alpha/__longjmp.c | 92 | ||||
-rw-r--r-- | sysdeps/alpha/bits/setjmp.h | 79 | ||||
-rw-r--r-- | sysdeps/alpha/bsd-_setjmp.S | 40 | ||||
-rw-r--r-- | sysdeps/alpha/bsd-setjmp.S | 38 | ||||
-rw-r--r-- | sysdeps/alpha/setjmp.S | 68 | ||||
-rw-r--r-- | sysdeps/alpha/setjmp_aux.c | 76 |
8 files changed, 173 insertions, 285 deletions
diff --git a/sysdeps/alpha/Makefile b/sysdeps/alpha/Makefile index 5fe8e4ee7f..6cf4a173a6 100644 --- a/sysdeps/alpha/Makefile +++ b/sysdeps/alpha/Makefile @@ -21,10 +21,6 @@ ifeq ($(subdir),gmon) sysdep_routines += _mcount endif -ifeq ($(subdir),setjmp) -sysdep_routines += setjmp_aux -endif - ifeq ($(subdir),gnulib) sysdep_routines += $(divrem) endif @@ -45,6 +41,6 @@ endif divrem := divl divq reml remq -# For now, build everything with full IEEE math support. +# For now, build everything with full IEEE math support. # TODO: build separate libm and libm-ieee. sysdep-CFLAGS += -mieee diff --git a/sysdeps/alpha/__longjmp.S b/sysdeps/alpha/__longjmp.S new file mode 100644 index 0000000000..34731172e1 --- /dev/null +++ b/sysdeps/alpha/__longjmp.S @@ -0,0 +1,59 @@ +/* Copyright (C) 1992, 1994, 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. + + 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#define __ASSEMBLY__ + +#include <sysdep.h> +#include <bits/setjmp.h> + + +ENTRY(__longjmp) +#ifdef PROF + ldgp gp, 0(pv) + .set noat + lda AT, _mcount + jsr AT, (AT), _mcount + .set at + .prologue 1 +#else + .prologue 0 +#endif + + mov a1, v0 + ldq s0, JB_S0*8(a0) + ldq s1, JB_S1*8(a0) + ldq s2, JB_S2*8(a0) + ldq s3, JB_S3*8(a0) + ldq s4, JB_S4*8(a0) + ldq s5, JB_S5*8(a0) + ldq ra, JB_PC*8(a0) + ldq fp, JB_FP*8(a0) + ldq t0, JB_SP*8(a0) + ldt $f2, JB_F2*8(a0) + ldt $f3, JB_F3*8(a0) + ldt $f4, JB_F4*8(a0) + ldt $f5, JB_F5*8(a0) + ldt $f6, JB_F6*8(a0) + ldt $f7, JB_F7*8(a0) + ldt $f8, JB_F8*8(a0) + ldt $f9, JB_F9*8(a0) + cmoveq v0, 1, v0 + mov t0, sp + ret + +END(__longjmp) diff --git a/sysdeps/alpha/__longjmp.c b/sysdeps/alpha/__longjmp.c deleted file mode 100644 index 98eba7c513..0000000000 --- a/sysdeps/alpha/__longjmp.c +++ /dev/null @@ -1,92 +0,0 @@ -/* Copyright (C) 1992, 1994, 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. - - 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., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -/* Global register vars must come before any function defn. */ - -register long int - r9 asm ("$9"), r10 asm ("$10"), r11 asm ("$11"), r12 asm ("$12"), - r13 asm ("$13"), r14 asm ("$14"); - -register long int *fp asm ("$15"), *sp asm ("$30"), *retpc asm ("$26"); - -#if 1 /* XXX */ -register double - f2 asm ("$f2"), f3 asm ("$f3"), f4 asm ("$f4"), f5 asm ("$f5"), - f6 asm ("$f6"), f7 asm ("$f7"), f8 asm ("$f8"), f9 asm ("$f9"); -#endif - -#include <setjmp.h> - - -/* Jump to the position specified by ENV, causing the - setjmp call there to return VAL, or 1 if VAL is 0. */ -void -__longjmp (__jmp_buf env, int val) -{ - register long int retval asm ("$0"); - - /* Restore the integer registers. */ - r9 = env[0].__9; - r10 = env[0].__10; - r11 = env[0].__11; - r12 = env[0].__12; - r13 = env[0].__13; - r14 = env[0].__14; - -#if 1 /* XXX */ - /* Restore the floating point registers. */ - f2 = env[0].__f2; - f3 = env[0].__f3; - f4 = env[0].__f4; - f5 = env[0].__f5; - f6 = env[0].__f6; - f7 = env[0].__f7; - f8 = env[0].__f8; - f9 = env[0].__f9; -#endif - - /* Set the return PC to that of setjmp's caller. */ - retpc = env[0].__pc; - - /* Restore the FP and SP of setjmp's caller. */ - fp = env[0].__fp; - sp = env[0].__sp; - - /* Return VAL (or 1 if VAL is zero) to setjmp's caller. - - We use an asm here rather than a normal C return statement - just in case the compiler wanted to do some stack frobnication - in the function epilogue. Since we have already restored - precisely the FP and SP the desired environment needs, - we must avoid the compiler doing anything with the stack. */ - - - asm volatile - ("cmoveq %1, 1, %0\n\t" /* $0 = val ?: 1; */ - "ret $31, (%2), 1" /* return $0 */ - : "=r" (retval) - /* The "0" constraint should force VAL into $0. */ - : "0" (val), "r" (retpc)); - - while (1) - { - /* The loop is just to avoid `volatile function does return' warnings. - The instruction will only be executed once. */ - asm volatile (""); - } -} diff --git a/sysdeps/alpha/bits/setjmp.h b/sysdeps/alpha/bits/setjmp.h index d461205c06..9aa30463d6 100644 --- a/sysdeps/alpha/bits/setjmp.h +++ b/sysdeps/alpha/bits/setjmp.h @@ -17,30 +17,57 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -typedef struct - { - /* Integer registers: - $0 is the return value; - $1-$8, $22-$25, $28 are call-used; - $9-$14 we save here; - $15 is the FP and we save it here; - $16-$21 are input arguments (call-used); - $26 is the return PC and we save it here; - $27 is the procedure value (i.e., the address of __setjmp); - $29 is the global pointer, which the caller will reconstruct - from the return address restored in $26; - $30 is the stack pointer and we save it here; - $31 is always zero. */ - long int __9, __10, __11, __12, __13, __14; - long int *__pc, *__fp, *__sp; +/* The previous bits/setjmp.h had __jmp_buf defined as a structure. + We use an array of 'long int' instead, to make writing the + assembler easier. Naturally, user code should not depend on + either representation. */ -#if 1 /* XXX need predefine for TARGET_FPREGS */ - /* Floating-point registers: - $f0 is the floating return value; - $f1, $f10-$f15, $f22-$f30 are call-used; - $f2-$f9 we save here; - $f16-$21 are input args (call-used); - $f31 is always zero. */ - double __f2, __f3, __f4, __f5, __f6, __f7, __f8, __f9; -#endif /* Have FP regs. */ - } __jmp_buf[1]; +/* + * Integer registers: + * $0 is the return value (va); + * $1-$8, $22-$25, $28 are call-used (t0-t7, t8-t11, at); + * $9-$14 we save here (s0-s5); + * $15 is the FP and we save it here (fp or s6); + * $16-$21 are input arguments (call-used) (a0-a5); + * $26 is the return PC and we save it here (ra); + * $27 is the procedure value (i.e., the address of __setjmp) (pv or t12); + * $29 is the global pointer, which the caller will reconstruct + * from the return address restored in $26 (gp); + * $30 is the stack pointer and we save it here (sp); + * $31 is always zero (zero). + * + * Floating-point registers: + * $f0 is the floating return value; + * $f1, $f10-$f15, $f22-$f30 are call-used; + * $f2-$f9 we save here; + * $f16-$21 are input args (call-used); + * $f31 is always zero. + * + * Note that even on Alpha hardware that does not have an FPU (there + * isn't such a thing currently) it is required to implement the FP + * registers. + */ + +#if defined(__USE_MISC) || defined(__ASSEMBLY__) +#define JB_S0 0 +#define JB_S1 1 +#define JB_S2 2 +#define JB_S3 3 +#define JB_S4 4 +#define JB_S5 5 +#define JB_PC 6 +#define JB_FP 7 +#define JB_SP 8 +#define JB_F2 9 +#define JB_F3 10 +#define JB_F4 11 +#define JB_F5 12 +#define JB_F6 13 +#define JB_F7 14 +#define JB_F8 15 +#define JB_F9 16 +#endif + +#ifndef __ASSEMBLY__ +typedef long int __jmp_buf[17]; +#endif diff --git a/sysdeps/alpha/bsd-_setjmp.S b/sysdeps/alpha/bsd-_setjmp.S index 07fb0c7637..4e6a2da560 100644 --- a/sysdeps/alpha/bsd-_setjmp.S +++ b/sysdeps/alpha/bsd-_setjmp.S @@ -1,39 +1 @@ -/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. Alpha version. - Copyright (C) 1994, 1996 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., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -/* This just does a tail-call to `__sigsetjmp (ARG, 0)'. - We cannot do it in C because it must be a tail-call, so frame-unwinding - in setjmp doesn't clobber the state restored by longjmp. */ - -#include <sysdep.h> - -ENTRY(_setjmp) - ldgp $29,0($27) -#ifdef PROF - .set noat - lda AT, _mcount - jsr AT, (AT), _mcount - .set at -#endif - .prologue 1 - bis $31, $31, $17 /* Pass a second argument of zero. */ - jmp $31, __sigsetjmp /* Call __sigsetjmp. */ - END(_setjmp) - -strong_alias_asm(_setjmp, __setjmp) +/* _setjmp is in setjmp.S */ diff --git a/sysdeps/alpha/bsd-setjmp.S b/sysdeps/alpha/bsd-setjmp.S index cf5bf189de..1da848d2f1 100644 --- a/sysdeps/alpha/bsd-setjmp.S +++ b/sysdeps/alpha/bsd-setjmp.S @@ -1,37 +1 @@ -/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. Alpha version. - Copyright (C) 1994, 1996 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., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -/* This just does a tail-call to `__sigsetjmp (ARG, 1)'. - We cannot do it in C because it must be a tail-call, so frame-unwinding - in setjmp doesn't clobber the state restored by longjmp. */ - -#include <sysdep.h> - -ENTRY(setjmp) - ldgp $29, 0($27) -#ifdef PROF - .set noat - lda AT, _mcount - jsr AT, (AT), _mcount - .set at -#endif - .prologue 1 - bis $31, 1, $17 /* Pass a second argument of one. */ - jmp $31, __sigsetjmp /* Call __sigsetjmp. */ - END(setjmp) +/* setjmp is in setjmp.S */ diff --git a/sysdeps/alpha/setjmp.S b/sysdeps/alpha/setjmp.S index 4b2e147b15..48fe33b3ec 100644 --- a/sysdeps/alpha/setjmp.S +++ b/sysdeps/alpha/setjmp.S @@ -1,4 +1,4 @@ -/* Copyright (C) 1992, 1994, 1996 Free Software Foundation, Inc. +/* Copyright (C) 1992, 1994, 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 @@ -16,13 +16,21 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#define __ASSEMBLY__ + #include <sysdep.h> +#include <bits/setjmp.h> + + .ent __sigsetjmp + .global __sigsetjmp +__sigsetjmp: + ldgp gp, 0(pv) -/* The function __sigsetjmp_aux saves all the registers, but it can't - reliably access the stack or frame pointers, so we pass them in as - extra arguments. */ -ENTRY (__sigsetjmp) - ldgp $29, 0($27) +$sigsetjmp_local: + subq sp, 16, sp + .frame sp, 16, ra, 0 + stq ra, 0(sp) + .mask 0x04000000, -16 #ifdef PROF .set noat lda AT, _mcount @@ -31,8 +39,48 @@ ENTRY (__sigsetjmp) #endif .prologue 1 - bis $30, $30, $18 /* Pass SP as 3rd arg. */ - bis $15, $15, $19 /* Pass FP as 4th arg. */ - jmp $31, __sigsetjmp_aux /* Call __sigsetjmp_aux. */ + stq s0, JB_S0*8(a0) + stq s1, JB_S1*8(a0) + stq s2, JB_S2*8(a0) + stq s3, JB_S3*8(a0) + stq s4, JB_S4*8(a0) + stq s5, JB_S5*8(a0) + stq ra, JB_PC*8(a0) + addq sp, 16, t0 + stq fp, JB_FP*8(a0) + stq t0, JB_SP*8(a0) + stt $f2, JB_F2*8(a0) + stt $f3, JB_F3*8(a0) + stt $f4, JB_F4*8(a0) + stt $f5, JB_F5*8(a0) + stt $f6, JB_F6*8(a0) + stt $f7, JB_F7*8(a0) + stt $f8, JB_F8*8(a0) + stt $f9, JB_F9*8(a0) + + /* Call to C to (potentially) save our signal mask. */ + jsr ra, __sigjmp_save + + ldq ra, 0(sp) + addq sp, 16, sp + ret + +END(__sigsetjmp) + +/* Put these traditional entry points in the same file so that we can + elide much of the nonsense in trying to jmp to the real function. */ + +ENTRY(_setjmp) + ldgp gp, 0(pv) + mov 0, a1 + br $sigsetjmp_local +END(_setjmp) + +ENTRY(setjmp) + ldgp gp, 0(pv) + mov 1, a1 + br $sigsetjmp_local +END(setjmp) - END(__sigsetjmp) +weak_extern(_setjmp) +weak_extern(setjmp) diff --git a/sysdeps/alpha/setjmp_aux.c b/sysdeps/alpha/setjmp_aux.c deleted file mode 100644 index fa26975295..0000000000 --- a/sysdeps/alpha/setjmp_aux.c +++ /dev/null @@ -1,76 +0,0 @@ -/* Copyright (C) 1992, 1994, 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. - - 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., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -/* Global register decls must come before any function defn. */ - -register long int - r9 asm ("$9"), r10 asm ("$10"), r11 asm ("$11"), r12 asm ("$12"), - r13 asm ("$13"), r14 asm ("$14"); - -register long int *fp asm ("$15"), *sp asm ("$30"), *retpc asm ("$26"); - -#if 1 /* XXX */ -register double - f2 asm ("$f2"), f3 asm ("$f3"), f4 asm ("$f4"), f5 asm ("$f5"), - f6 asm ("$f6"), f7 asm ("$f7"), f8 asm ("$f8"), f9 asm ("$f9"); -#endif - - -#include <setjmp.h> - - -/* Save the current program position in ENV and return 0. */ -int -__sigsetjmp_aux (sigjmp_buf env, int savemask, long int *sp, long int *fp) -{ - /* Save the integer registers. */ - env[0].__jmpbuf[0].__9 = r9; - env[0].__jmpbuf[0].__10 = r10; - env[0].__jmpbuf[0].__11 = r11; - env[0].__jmpbuf[0].__12 = r12; - env[0].__jmpbuf[0].__13 = r13; - env[0].__jmpbuf[0].__14 = r14; - -#if 1 /* XXX */ - /* Save the floating point registers. */ - env[0].__jmpbuf[0].__f2 = f2; - env[0].__jmpbuf[0].__f3 = f3; - env[0].__jmpbuf[0].__f4 = f4; - env[0].__jmpbuf[0].__f5 = f5; - env[0].__jmpbuf[0].__f6 = f6; - env[0].__jmpbuf[0].__f7 = f7; - env[0].__jmpbuf[0].__f8 = f8; - env[0].__jmpbuf[0].__f9 = f9; -#endif - - /* Save the return address of our caller, where longjmp will jump to. */ - env[0].__jmpbuf[0].__pc = retpc; - - /* Save the FP and SP of our caller. The __sigsetjmp entry point - simply puts these in the argument registers for us to fetch. */ - env[0].__jmpbuf[0].__fp = fp; - env[0].__jmpbuf[0].__sp = sp; - - /* Save the signal mask if requested. */ - __sigjmp_save (env, savemask); - - retpc = env[0].__jmpbuf[0].__pc; /* restore ra, ugly... */ - - /* Return to the original caller of __sigsetjmp. */ - return 0; -} |