head 1.9; access; symbols netbsd-11-0-RC5:1.9 netbsd-11-0-RC4:1.9 netbsd-11-0-RC3:1.9 netbsd-11-0-RC2:1.9 netbsd-11-0-RC1:1.9 perseant-exfatfs-base-20250801:1.9 netbsd-11:1.9.0.54 netbsd-11-base:1.9 netbsd-10-1-RELEASE:1.9 perseant-exfatfs-base-20240630:1.9 perseant-exfatfs:1.9.0.52 perseant-exfatfs-base:1.9 netbsd-8-3-RELEASE:1.9 netbsd-9-4-RELEASE:1.9 netbsd-10-0-RELEASE:1.9 netbsd-10-0-RC6:1.9 netbsd-10-0-RC5:1.9 netbsd-10-0-RC4:1.9 netbsd-10-0-RC3:1.9 netbsd-10-0-RC2:1.9 netbsd-10-0-RC1:1.9 netbsd-10:1.9.0.50 netbsd-10-base:1.9 netbsd-9-3-RELEASE:1.9 cjep_sun2x-base1:1.9 cjep_sun2x:1.9.0.48 cjep_sun2x-base:1.9 cjep_staticlib_x-base1:1.9 netbsd-9-2-RELEASE:1.9 cjep_staticlib_x:1.9.0.46 cjep_staticlib_x-base:1.9 netbsd-9-1-RELEASE:1.9 phil-wifi-20200421:1.9 phil-wifi-20200411:1.9 is-mlppp:1.9.0.44 is-mlppp-base:1.9 phil-wifi-20200406:1.9 netbsd-8-2-RELEASE:1.9 netbsd-9-0-RELEASE:1.9 netbsd-9-0-RC2:1.9 netbsd-9-0-RC1:1.9 phil-wifi-20191119:1.9 netbsd-9:1.9.0.42 netbsd-9-base:1.9 phil-wifi-20190609:1.9 netbsd-8-1-RELEASE:1.9 netbsd-8-1-RC1:1.9 pgoyette-compat-merge-20190127:1.9 pgoyette-compat-20190127:1.9 pgoyette-compat-20190118:1.9 pgoyette-compat-1226:1.9 pgoyette-compat-1126:1.9 pgoyette-compat-1020:1.9 pgoyette-compat-0930:1.9 pgoyette-compat-0906:1.9 netbsd-7-2-RELEASE:1.9 pgoyette-compat-0728:1.9 netbsd-8-0-RELEASE:1.9 phil-wifi:1.9.0.40 phil-wifi-base:1.9 pgoyette-compat-0625:1.9 netbsd-8-0-RC2:1.9 pgoyette-compat-0521:1.9 pgoyette-compat-0502:1.9 pgoyette-compat-0422:1.9 netbsd-8-0-RC1:1.9 pgoyette-compat-0415:1.9 pgoyette-compat-0407:1.9 pgoyette-compat-0330:1.9 pgoyette-compat-0322:1.9 pgoyette-compat-0315:1.9 netbsd-7-1-2-RELEASE:1.9 pgoyette-compat:1.9.0.38 pgoyette-compat-base:1.9 netbsd-7-1-1-RELEASE:1.9 matt-nb8-mediatek:1.9.0.36 matt-nb8-mediatek-base:1.9 perseant-stdc-iso10646:1.9.0.34 perseant-stdc-iso10646-base:1.9 netbsd-8:1.9.0.32 netbsd-8-base:1.9 prg-localcount2-base3:1.9 prg-localcount2-base2:1.9 prg-localcount2-base1:1.9 prg-localcount2:1.9.0.30 prg-localcount2-base:1.9 pgoyette-localcount-20170426:1.9 bouyer-socketcan-base1:1.9 pgoyette-localcount-20170320:1.9 netbsd-7-1:1.9.0.28 netbsd-7-1-RELEASE:1.9 netbsd-7-1-RC2:1.9 netbsd-7-nhusb-base-20170116:1.9 bouyer-socketcan:1.9.0.26 bouyer-socketcan-base:1.9 pgoyette-localcount-20170107:1.9 netbsd-7-1-RC1:1.9 pgoyette-localcount-20161104:1.9 netbsd-7-0-2-RELEASE:1.9 localcount-20160914:1.9 netbsd-7-nhusb:1.9.0.24 netbsd-7-nhusb-base:1.9 pgoyette-localcount-20160806:1.9 pgoyette-localcount-20160726:1.9 pgoyette-localcount:1.9.0.22 pgoyette-localcount-base:1.9 netbsd-7-0-1-RELEASE:1.9 netbsd-7-0:1.9.0.20 netbsd-7-0-RELEASE:1.9 netbsd-7-0-RC3:1.9 netbsd-7-0-RC2:1.9 netbsd-7-0-RC1:1.9 netbsd-5-2-3-RELEASE:1.6 netbsd-5-1-5-RELEASE:1.6 netbsd-6-0-6-RELEASE:1.9 netbsd-6-1-5-RELEASE:1.9 netbsd-7:1.9.0.18 netbsd-7-base:1.9 yamt-pagecache-base9:1.9 yamt-pagecache-tag8:1.8.6.1 netbsd-6-1-4-RELEASE:1.9 netbsd-6-0-5-RELEASE:1.9 tls-earlyentropy:1.9.0.16 tls-earlyentropy-base:1.9 riastradh-xf86-video-intel-2-7-1-pre-2-21-15:1.9 riastradh-drm2-base3:1.9 netbsd-6-1-3-RELEASE:1.9 netbsd-6-0-4-RELEASE:1.9 netbsd-5-2-2-RELEASE:1.6 netbsd-5-1-4-RELEASE:1.6 netbsd-6-1-2-RELEASE:1.9 netbsd-6-0-3-RELEASE:1.9 netbsd-5-2-1-RELEASE:1.6 netbsd-5-1-3-RELEASE:1.6 netbsd-6-1-1-RELEASE:1.9 riastradh-drm2-base2:1.9 riastradh-drm2-base1:1.9 riastradh-drm2:1.9.0.10 riastradh-drm2-base:1.9 netbsd-6-1:1.9.0.14 netbsd-6-0-2-RELEASE:1.9 netbsd-6-1-RELEASE:1.9 netbsd-6-1-RC4:1.9 netbsd-6-1-RC3:1.9 agc-symver:1.9.0.12 agc-symver-base:1.9 netbsd-6-1-RC2:1.9 netbsd-6-1-RC1:1.9 yamt-pagecache-base8:1.9 netbsd-5-2:1.6.0.50 netbsd-6-0-1-RELEASE:1.9 yamt-pagecache-base7:1.9 netbsd-5-2-RELEASE:1.6 netbsd-5-2-RC1:1.6 matt-nb6-plus-nbase:1.9 yamt-pagecache-base6:1.9 netbsd-6-0:1.9.0.8 netbsd-6-0-RELEASE:1.9 netbsd-6-0-RC2:1.9 tls-maxphys:1.9.0.6 tls-maxphys-base:1.9 matt-nb6-plus:1.9.0.4 matt-nb6-plus-base:1.9 netbsd-6-0-RC1:1.9 yamt-pagecache-base5:1.9 yamt-pagecache-base4:1.9 netbsd-6:1.9.0.2 netbsd-6-base:1.9 netbsd-5-1-2-RELEASE:1.6 netbsd-5-1-1-RELEASE:1.6 yamt-pagecache-base3:1.8 yamt-pagecache-base2:1.8 yamt-pagecache:1.8.0.6 yamt-pagecache-base:1.8 cherry-xenmp:1.8.0.4 cherry-xenmp-base:1.8 bouyer-quota2-nbase:1.8 bouyer-quota2:1.8.0.2 bouyer-quota2-base:1.8 matt-mips64-premerge-20101231:1.8 matt-nb5-mips64-premerge-20101231:1.6 matt-nb5-pq3:1.6.0.48 matt-nb5-pq3-base:1.6 netbsd-5-1:1.6.0.46 netbsd-5-1-RELEASE:1.6 netbsd-5-1-RC4:1.6 matt-nb5-mips64-k15:1.6 netbsd-5-1-RC3:1.6 netbsd-5-1-RC2:1.6 netbsd-5-1-RC1:1.6 netbsd-5-0-2-RELEASE:1.6 matt-nb5-mips64-premerge-20091211:1.6 matt-premerge-20091211:1.6 matt-nb5-mips64-u2-k2-k4-k7-k8-k9:1.6 matt-nb4-mips64-k7-u2a-k9b:1.6 matt-nb5-mips64-u1-k1-k5:1.6 matt-nb5-mips64:1.6.0.44 netbsd-5-0-1-RELEASE:1.6 jym-xensuspend-nbase:1.6 netbsd-5-0:1.6.0.42 netbsd-5-0-RELEASE:1.6 netbsd-5-0-RC4:1.6 netbsd-5-0-RC3:1.6 netbsd-5-0-RC2:1.6 jym-xensuspend:1.6.0.40 jym-xensuspend-base:1.6 netbsd-5-0-RC1:1.6 netbsd-5:1.6.0.38 netbsd-5-base:1.6 matt-mips64-base2:1.6 matt-mips64:1.6.0.36 mjf-devfs2:1.6.0.34 mjf-devfs2-base:1.6 netbsd-4-0-1-RELEASE:1.6 wrstuden-revivesa-base-3:1.6 wrstuden-revivesa-base-2:1.6 wrstuden-fixsa-newbase:1.6 wrstuden-revivesa-base-1:1.6 yamt-pf42-base4:1.6 yamt-pf42-base3:1.6 hpcarm-cleanup-nbase:1.6 yamt-pf42-baseX:1.6 yamt-pf42-base2:1.6 wrstuden-revivesa:1.6.0.32 wrstuden-revivesa-base:1.6 yamt-pf42:1.6.0.30 yamt-pf42-base:1.6 keiichi-mipv6:1.6.0.28 keiichi-mipv6-base:1.6 matt-armv6-nbase:1.6 matt-armv6-prevmlocking:1.6 wrstuden-fixsa-base-1:1.6 netbsd-4-0:1.6.0.26 netbsd-4-0-RELEASE:1.6 cube-autoconf:1.6.0.24 cube-autoconf-base:1.6 netbsd-4-0-RC5:1.6 netbsd-4-0-RC4:1.6 netbsd-4-0-RC3:1.6 netbsd-4-0-RC2:1.6 netbsd-4-0-RC1:1.6 matt-armv6:1.6.0.22 matt-armv6-base:1.6 matt-mips64-base:1.6 hpcarm-cleanup:1.6.0.20 hpcarm-cleanup-base:1.6 netbsd-3-1-1-RELEASE:1.6 netbsd-3-0-3-RELEASE:1.6 wrstuden-fixsa:1.6.0.18 wrstuden-fixsa-base:1.6 abandoned-netbsd-4-base:1.6 abandoned-netbsd-4:1.6.0.12 netbsd-3-1:1.6.0.14 netbsd-3-1-RELEASE:1.6 netbsd-3-0-2-RELEASE:1.6 netbsd-3-1-RC4:1.6 netbsd-3-1-RC3:1.6 netbsd-3-1-RC2:1.6 netbsd-3-1-RC1:1.6 netbsd-4:1.6.0.16 netbsd-4-base:1.6 netbsd-3-0-1-RELEASE:1.6 netbsd-3-0:1.6.0.10 netbsd-3-0-RELEASE:1.6 netbsd-3-0-RC6:1.6 netbsd-3-0-RC5:1.6 netbsd-3-0-RC4:1.6 netbsd-3-0-RC3:1.6 netbsd-3-0-RC2:1.6 netbsd-3-0-RC1:1.6 netbsd-2-0-3-RELEASE:1.6 netbsd-2-1:1.6.0.8 netbsd-2-1-RELEASE:1.6 netbsd-2-1-RC6:1.6 netbsd-2-1-RC5:1.6 netbsd-2-1-RC4:1.6 netbsd-2-1-RC3:1.6 netbsd-2-1-RC2:1.6 netbsd-2-1-RC1:1.6 netbsd-2-0-2-RELEASE:1.6 netbsd-3:1.6.0.6 netbsd-3-base:1.6 netbsd-2-0-1-RELEASE:1.6 netbsd-2:1.6.0.4 netbsd-2-base:1.6 netbsd-2-0-RELEASE:1.6 netbsd-2-0-RC5:1.6 netbsd-2-0-RC4:1.6 netbsd-2-0-RC3:1.6 netbsd-2-0-RC2:1.6 netbsd-2-0-RC1:1.6 netbsd-2-0:1.6.0.2 netbsd-2-0-base:1.6 netbsd-1-6-PATCH002-RELEASE:1.3 netbsd-1-6-PATCH002:1.3 netbsd-1-6-PATCH002-RC4:1.3 netbsd-1-6-PATCH002-RC3:1.3 netbsd-1-6-PATCH002-RC2:1.3 netbsd-1-6-PATCH002-RC1:1.3 netbsd-1-6-PATCH001:1.3 netbsd-1-6-PATCH001-RELEASE:1.3 netbsd-1-6-PATCH001-RC3:1.3 netbsd-1-6-PATCH001-RC2:1.3 netbsd-1-6-PATCH001-RC1:1.3 fvdl_fs64_base:1.5 netbsd-1-6-RELEASE:1.3 netbsd-1-6-RC3:1.3 netbsd-1-6-RC2:1.3 netbsd-1-6-RC1:1.3 netbsd-1-6:1.3.0.2 netbsd-1-6-base:1.3; locks; strict; comment @# @; 1.9 date 2011.12.11.22.07.26; author joerg; state Exp; branches; next 1.8; 1.8 date 2010.12.05.00.56.07; author joerg; state Exp; branches 1.8.6.1; next 1.7; 1.7 date 2010.12.03.22.48.25; author joerg; state Exp; branches; next 1.6; 1.6 date 2003.02.28.22.37.35; author mycroft; state Exp; branches; next 1.5; 1.5 date 2002.11.24.18.16.45; author fvdl; state Exp; branches; next 1.4; 1.4 date 2002.09.25.08.37.57; author mycroft; state Exp; branches; next 1.3; 1.3 date 2001.12.14.21.33.59; author fvdl; state Exp; branches 1.3.2.1; next 1.2; 1.2 date 2001.06.20.17.58.16; author fvdl; state Exp; branches; next 1.1; 1.1 date 2001.06.19.01.11.44; author fvdl; state Exp; branches; next ; 1.8.6.1 date 2012.04.17.00.05.36; author yamt; state Exp; branches; next ; 1.3.2.1 date 2004.05.28.08.31.23; author tron; state Exp; branches; next ; desc @@ 1.9 log @Align in the stack before calling _rtld in the way the x86_64 ABI specifies. This is necessary to ensure that init functions are always called with the correct alignment, e.g. in case they use SSE instructions. @ text @/* $NetBSD: rtld_start.S,v 1.8 2010/12/05 00:56:07 joerg Exp $ */ /* * Copyright (c) 2001 Wasabi Systems, Inc. * All rights reserved. * * Written by Frank van der Linden for Wasabi Systems, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed for the NetBSD Project by * Wasabi Systems, Inc. * 4. The name of Wasabi Systems, Inc. may not be used to endorse * or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include .text .align 16 .globl .rtld_start .hidden .rtld_start .type .rtld_start,@@function .rtld_start: subq $16,%rsp # make room of obj_main and exit proc movq %rsp,%r12 # stack pointer arg to _rtld pushq %rbx # save ps_strings andq $~15,%rsp # align rsp, to be restored from r12 leaq _GLOBAL_OFFSET_TABLE_(%rip),%rax leaq _DYNAMIC(%rip),%rdi # &_DYNAMIC movq %rdi,%rbx subq (%rax),%rbx # relocbase movq %rbx,%rsi call _rtld_relocate_nonplt_self movq %r12,%rdi movq %rbx,%rsi call _rtld # _rtld(sp, relocbase) leaq -8(%r12),%rsp # restore saved rsp, including %rbx popq %rbx # %rbx = ps_strings popq %rdx # %rdx = cleanup popq %rcx # %rcx = obj_main jmp *%rax .align 4 .globl _rtld_bind_start .hidden _rtld_bind_start .type _rtld_bind_start,@@function _rtld_bind_start: # (obj, reloff) # This function is called with a misaligned stack from the PLT # due to the additional argument pushed. # At this point %rsp % 16 == 8. pushfq # save caller-saved registers pushq %rax pushq %rcx pushq %rdx pushq %rsi pushq %rdi pushq %r8 pushq %r9 pushq %r10 pushq %r11 movq 80(%rsp),%rdi movq 88(%rsp),%rsi call _rtld_bind # call the binder movq %rax,88(%rsp) # store function in obj popq %r11 popq %r10 popq %r9 popq %r8 popq %rdi popq %rsi popq %rdx popq %rcx popq %rax popfq leaq 8(%rsp),%rsp ret @ 1.8 log @Build ld.elf_so with -fvisibility=hidden. Exploit this for i386/x86_64 to simplify the assembler code. @ text @d1 1 a1 1 /* $NetBSD: rtld_start.S,v 1.7 2010/12/03 22:48:25 joerg Exp $ */ d50 2 d64 1 @ 1.8.6.1 log @sync with head @ text @d1 1 a1 1 /* $NetBSD: rtld_start.S,v 1.8 2010/12/05 00:56:07 joerg Exp $ */ a49 2 andq $~15,%rsp # align rsp, to be restored from r12 a61 1 leaq -8(%r12),%rsp # restore saved rsp, including %rbx @ 1.7 log @Add comment about the unusual stack alignment in .rtld_bind_start. @ text @d1 1 a1 1 /* $NetBSD: src/libexec/ld.elf_so/arch/x86_64/rtld_start.S,v 1.6 2003-02-28 22:37:35 mycroft Exp $ */ d43 1 d56 1 a56 1 call _rtld_relocate_nonplt_self@@PLT d60 1 a60 1 call _rtld@@PLT # _rtld(sp, relocbase) d69 1 d89 1 a89 1 call _rtld_bind@@PLT # call the binder @ 1.6 log @Eliminate GOT usage in rtld_start() on this platform, too. @ text @d1 1 a1 1 /* $NetBSD: rtld_start.S,v 1.5 2002/11/24 18:16:45 fvdl Exp $ */ d70 3 @ 1.5 log @Implement self-relocation as is required now. @ text @d1 1 a1 1 /* $NetBSD: rtld_start.S,v 1.4 2002/09/25 08:37:57 mycroft Exp $ */ d49 4 a52 3 leaq _GLOBAL_OFFSET_TABLE_(%rip),%rbx movq _GLOBAL_OFFSET_TABLE_@@GOTPCREL(%rip),%rdx subq %rdx,%rbx # %rbx = relocbase a53 2 movq _DYNAMIC@@GOTPCREL(%rip),%rdi addq %rbx,%rdi a58 1 @ 1.4 log @Partly fix this port -- still needs a self-reloc function. @ text @d1 1 a1 1 /* $NetBSD: rtld_start.S,v 1.3 2001/12/14 21:33:59 fvdl Exp $ */ d46 1 a46 1 movq %rsp,%rdi # stack pointer arg to _rtld d49 13 a61 1 call _rtld@@PLT # _rtld(sp) @ 1.3 log @Add missing copyright notice. @ text @d1 1 a1 1 /* $NetBSD: rtld_start.S,v 1.2 2001/06/20 17:58:16 fvdl Exp $ */ a72 4 movq %rsi,%r11 # multiply by sizeof (Elf64_Rela) (24) shlq $3,%r11 shlq $4,%rsi # 16 * index + 8 * index = 24 * index addq %r11,%rsi @ 1.3.2.1 log @Apply patch (request by skrll in ticket #1702): Bring "ld.elf_so" (mostly) in sync with NetBSD-current: - MI and MD (e.g. under NetBSD-alpha) performance improvements - RTLD_SELF, RTLD_NEXT, RTLD_DEFAULT support - much better structured code - closes PR bin/25464 @ text @d1 1 a1 1 /* $NetBSD: rtld_start.S,v 1.6 2003/02/28 22:37:35 mycroft Exp $ */ d46 1 a46 1 movq %rsp,%r12 # stack pointer arg to _rtld d49 1 a49 11 leaq _GLOBAL_OFFSET_TABLE_(%rip),%rax leaq _DYNAMIC(%rip),%rdi # &_DYNAMIC movq %rdi,%rbx subq (%rax),%rbx # relocbase movq %rbx,%rsi call _rtld_relocate_nonplt_self@@PLT movq %r12,%rdi movq %rbx,%rsi call _rtld@@PLT # _rtld(sp, relocbase) d73 4 @ 1.2 log @Get stack layout right. @ text @d1 36 a36 1 /* $NetBSD: rtld_start.S,v 1.1 2001/06/19 01:11:44 fvdl Exp $ */ @ 1.1 log @Preliminary x86-64 support. Not fully functional yet (toolchain bugs). @ text @d1 1 a1 1 /* $NetBSD$ */ d36 7 d44 1 a44 1 movq %rax,80(%rsp) # store function in return address d56 2 @