head 1.16; access; symbols netbsd-11-0-RC5:1.16 netbsd-11-0-RC4:1.16 netbsd-11-0-RC3:1.16 netbsd-11-0-RC2:1.16 netbsd-11-0-RC1:1.16 perseant-exfatfs-base-20250801:1.16 netbsd-11:1.16.0.76 netbsd-11-base:1.16 netbsd-10-1-RELEASE:1.16 perseant-exfatfs-base-20240630:1.16 perseant-exfatfs:1.16.0.74 perseant-exfatfs-base:1.16 netbsd-8-3-RELEASE:1.16 netbsd-9-4-RELEASE:1.16 netbsd-10-0-RELEASE:1.16 netbsd-10-0-RC6:1.16 netbsd-10-0-RC5:1.16 netbsd-10-0-RC4:1.16 netbsd-10-0-RC3:1.16 netbsd-10-0-RC2:1.16 netbsd-10-0-RC1:1.16 netbsd-10:1.16.0.72 netbsd-10-base:1.16 netbsd-9-3-RELEASE:1.16 cjep_sun2x-base1:1.16 cjep_sun2x:1.16.0.70 cjep_sun2x-base:1.16 cjep_staticlib_x-base1:1.16 netbsd-9-2-RELEASE:1.16 cjep_staticlib_x:1.16.0.68 cjep_staticlib_x-base:1.16 netbsd-9-1-RELEASE:1.16 phil-wifi-20200421:1.16 phil-wifi-20200411:1.16 is-mlppp:1.16.0.66 is-mlppp-base:1.16 phil-wifi-20200406:1.16 netbsd-8-2-RELEASE:1.16 netbsd-9-0-RELEASE:1.16 netbsd-9-0-RC2:1.16 netbsd-9-0-RC1:1.16 phil-wifi-20191119:1.16 netbsd-9:1.16.0.64 netbsd-9-base:1.16 phil-wifi-20190609:1.16 netbsd-8-1-RELEASE:1.16 netbsd-8-1-RC1:1.16 pgoyette-compat-merge-20190127:1.16 pgoyette-compat-20190127:1.16 pgoyette-compat-20190118:1.16 pgoyette-compat-1226:1.16 pgoyette-compat-1126:1.16 pgoyette-compat-1020:1.16 pgoyette-compat-0930:1.16 pgoyette-compat-0906:1.16 netbsd-7-2-RELEASE:1.16 pgoyette-compat-0728:1.16 netbsd-8-0-RELEASE:1.16 phil-wifi:1.16.0.62 phil-wifi-base:1.16 pgoyette-compat-0625:1.16 netbsd-8-0-RC2:1.16 pgoyette-compat-0521:1.16 pgoyette-compat-0502:1.16 pgoyette-compat-0422:1.16 netbsd-8-0-RC1:1.16 pgoyette-compat-0415:1.16 pgoyette-compat-0407:1.16 pgoyette-compat-0330:1.16 pgoyette-compat-0322:1.16 pgoyette-compat-0315:1.16 netbsd-7-1-2-RELEASE:1.16 pgoyette-compat:1.16.0.60 pgoyette-compat-base:1.16 netbsd-7-1-1-RELEASE:1.16 matt-nb8-mediatek:1.16.0.58 matt-nb8-mediatek-base:1.16 perseant-stdc-iso10646:1.16.0.56 perseant-stdc-iso10646-base:1.16 netbsd-8:1.16.0.54 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yamt-pagecache-base9:1.16 yamt-pagecache-tag8:1.16 netbsd-6-1-4-RELEASE:1.16 netbsd-6-0-5-RELEASE:1.16 tls-earlyentropy:1.16.0.38 tls-earlyentropy-base:1.16 riastradh-xf86-video-intel-2-7-1-pre-2-21-15:1.16 riastradh-drm2-base3:1.16 netbsd-6-1-3-RELEASE:1.16 netbsd-6-0-4-RELEASE:1.16 netbsd-5-2-2-RELEASE:1.16 netbsd-5-1-4-RELEASE:1.16 netbsd-6-1-2-RELEASE:1.16 netbsd-6-0-3-RELEASE:1.16 netbsd-5-2-1-RELEASE:1.16 netbsd-5-1-3-RELEASE:1.16 netbsd-6-1-1-RELEASE:1.16 riastradh-drm2-base2:1.16 riastradh-drm2-base1:1.16 riastradh-drm2:1.16.0.32 riastradh-drm2-base:1.16 netbsd-6-1:1.16.0.36 netbsd-6-0-2-RELEASE:1.16 netbsd-6-1-RELEASE:1.16 netbsd-6-1-RC4:1.16 netbsd-6-1-RC3:1.16 agc-symver:1.16.0.34 agc-symver-base:1.16 netbsd-6-1-RC2:1.16 netbsd-6-1-RC1:1.16 yamt-pagecache-base8:1.16 netbsd-5-2:1.16.0.30 netbsd-6-0-1-RELEASE:1.16 yamt-pagecache-base7:1.16 netbsd-5-2-RELEASE:1.16 netbsd-5-2-RC1:1.16 matt-nb6-plus-nbase:1.16 yamt-pagecache-base6:1.16 netbsd-6-0:1.16.0.28 netbsd-6-0-RELEASE:1.16 netbsd-6-0-RC2:1.16 tls-maxphys:1.16.0.26 tls-maxphys-base:1.16 matt-nb6-plus:1.16.0.24 matt-nb6-plus-base:1.16 netbsd-6-0-RC1:1.16 yamt-pagecache-base5:1.16 yamt-pagecache-base4:1.16 netbsd-6:1.16.0.22 netbsd-6-base:1.16 netbsd-5-1-2-RELEASE:1.16 netbsd-5-1-1-RELEASE:1.16 yamt-pagecache-base3:1.16 yamt-pagecache-base2:1.16 yamt-pagecache:1.16.0.4 yamt-pagecache-base:1.16 cherry-xenmp:1.16.0.20 cherry-xenmp-base:1.16 bouyer-quota2-nbase:1.16 bouyer-quota2:1.16.0.18 bouyer-quota2-base:1.16 matt-mips64-premerge-20101231:1.16 matt-nb5-mips64-premerge-20101231:1.16 matt-nb5-pq3:1.16.0.16 matt-nb5-pq3-base:1.16 netbsd-5-1:1.16.0.14 netbsd-5-1-RELEASE:1.16 netbsd-5-1-RC4:1.16 matt-nb5-mips64-k15:1.16 netbsd-5-1-RC3:1.16 netbsd-5-1-RC2:1.16 netbsd-5-1-RC1:1.16 netbsd-5-0-2-RELEASE:1.16 matt-nb5-mips64-premerge-20091211:1.16 matt-premerge-20091211:1.16 matt-nb5-mips64-u2-k2-k4-k7-k8-k9:1.16 matt-nb4-mips64-k7-u2a-k9b:1.16 matt-nb5-mips64-u1-k1-k5:1.16 matt-nb5-mips64:1.16.0.12 netbsd-5-0-1-RELEASE:1.16 jym-xensuspend-nbase:1.16 netbsd-5-0:1.16.0.10 netbsd-5-0-RELEASE:1.16 netbsd-5-0-RC4:1.16 netbsd-5-0-RC3:1.16 netbsd-5-0-RC2:1.16 jym-xensuspend:1.16.0.8 jym-xensuspend-base:1.16 netbsd-5-0-RC1:1.16 netbsd-5:1.16.0.6 netbsd-5-base:1.16 matt-mips64-base2:1.16 matt-mips64:1.15.0.32 netbsd-4-0-1-RELEASE:1.15 wrstuden-revivesa-base-3:1.16 wrstuden-revivesa-base-2:1.16 wrstuden-fixsa-newbase:1.15 wrstuden-revivesa-base-1:1.16 yamt-pf42-base4:1.16 yamt-pf42-base3:1.16 hpcarm-cleanup-nbase:1.16 yamt-pf42-baseX:1.15 yamt-pf42-base2:1.16 wrstuden-revivesa:1.16.0.2 wrstuden-revivesa-base:1.16 yamt-pf42:1.15.0.30 yamt-pf42-base:1.15 keiichi-mipv6:1.15.0.28 keiichi-mipv6-base:1.15 matt-armv6-nbase:1.15 matt-armv6-prevmlocking:1.15 wrstuden-fixsa-base-1:1.15 netbsd-4-0:1.15.0.26 netbsd-4-0-RELEASE:1.15 cube-autoconf:1.15.0.24 cube-autoconf-base:1.15 netbsd-4-0-RC5:1.15 netbsd-4-0-RC4:1.15 netbsd-4-0-RC3:1.15 netbsd-4-0-RC2:1.15 netbsd-4-0-RC1:1.15 matt-armv6:1.15.0.22 matt-armv6-base:1.15 matt-mips64-base:1.15 hpcarm-cleanup:1.15.0.20 hpcarm-cleanup-base:1.15 netbsd-3-1-1-RELEASE:1.15 netbsd-3-0-3-RELEASE:1.15 wrstuden-fixsa:1.15.0.18 wrstuden-fixsa-base:1.15 abandoned-netbsd-4-base:1.15 abandoned-netbsd-4:1.15.0.12 netbsd-3-1:1.15.0.14 netbsd-3-1-RELEASE:1.15 netbsd-3-0-2-RELEASE:1.15 netbsd-3-1-RC4:1.15 netbsd-3-1-RC3:1.15 netbsd-3-1-RC2:1.15 netbsd-3-1-RC1:1.15 netbsd-4:1.15.0.16 netbsd-4-base:1.15 netbsd-3-0-1-RELEASE:1.15 netbsd-3-0:1.15.0.10 netbsd-3-0-RELEASE:1.15 netbsd-3-0-RC6:1.15 netbsd-3-0-RC5:1.15 netbsd-3-0-RC4:1.15 netbsd-3-0-RC3:1.15 netbsd-3-0-RC2:1.15 netbsd-3-0-RC1:1.15 netbsd-2-0-3-RELEASE:1.15 netbsd-2-1:1.15.0.8 netbsd-2-1-RELEASE:1.15 netbsd-2-1-RC6:1.15 netbsd-2-1-RC5:1.15 netbsd-2-1-RC4:1.15 netbsd-2-1-RC3:1.15 netbsd-2-1-RC2:1.15 netbsd-2-1-RC1:1.15 netbsd-2-0-2-RELEASE:1.15 netbsd-3:1.15.0.6 netbsd-3-base:1.15 netbsd-2-0-1-RELEASE:1.15 netbsd-2:1.15.0.4 netbsd-2-base:1.15 netbsd-2-0-RELEASE:1.15 netbsd-2-0-RC5:1.15 netbsd-2-0-RC4:1.15 netbsd-2-0-RC3:1.15 netbsd-2-0-RC2:1.15 netbsd-2-0-RC1:1.15 netbsd-2-0:1.15.0.2 netbsd-2-0-base:1.15 netbsd-1-6-PATCH002-RELEASE:1.4 netbsd-1-6-PATCH002:1.4 netbsd-1-6-PATCH002-RC4:1.4 netbsd-1-6-PATCH002-RC3:1.4 netbsd-1-6-PATCH002-RC2:1.4 netbsd-1-6-PATCH002-RC1:1.4 netbsd-1-6-PATCH001:1.4 netbsd-1-6-PATCH001-RELEASE:1.4 netbsd-1-6-PATCH001-RC3:1.4 netbsd-1-6-PATCH001-RC2:1.4 netbsd-1-6-PATCH001-RC1:1.4 fvdl_fs64_base:1.13 netbsd-1-6-RELEASE:1.4 netbsd-1-6-RC3:1.4 netbsd-1-6-RC2:1.4 netbsd-1-6-RC1:1.4 netbsd-1-6:1.4.0.12 netbsd-1-6-base:1.4 netbsd-1-5-PATCH003:1.4 netbsd-1-5-PATCH002:1.4 netbsd-1-5-PATCH001:1.4 netbsd-1-5-RELEASE:1.4 netbsd-1-5-BETA2:1.4 netbsd-1-5-BETA:1.4 netbsd-1-4-PATCH003:1.4 netbsd-1-5-ALPHA2:1.4 netbsd-1-5:1.4.0.10 netbsd-1-5-base:1.4 minoura-xpg4dl:1.4.0.8 minoura-xpg4dl-base:1.4 netbsd-1-4-PATCH002:1.4 wrstuden-devbsize-19991221:1.4 wrstuden-devbsize:1.4.0.6 wrstuden-devbsize-base:1.4 comdex-fall-1999:1.4.0.4 comdex-fall-1999-base:1.4 netbsd-1-4-PATCH001:1.4 netbsd-1-4-RELEASE:1.4 netbsd-1-4:1.4.0.2 netbsd-1-4-base:1.4; locks; strict; comment @# @; 1.16 date 2008.04.28.20.23.03; author martin; state Exp; branches; next 1.15; 1.15 date 2003.03.01.15.14.59; author mycroft; state Exp; branches 1.15.30.1; next 1.14; 1.14 date 2003.02.27.05.39.42; author mycroft; state Exp; branches; next 1.13; 1.13 date 2002.09.26.02.05.41; author mycroft; state Exp; branches; next 1.12; 1.12 date 2002.09.26.01.59.16; author mycroft; state Exp; branches; next 1.11; 1.11 date 2002.09.26.01.54.52; author mycroft; state Exp; branches; next 1.10; 1.10 date 2002.09.25.14.38.51; author mycroft; state Exp; branches; next 1.9; 1.9 date 2002.09.12.17.18.41; author mycroft; state Exp; branches; next 1.8; 1.8 date 2002.09.12.17.07.26; author mycroft; state Exp; branches; next 1.7; 1.7 date 2002.09.11.19.11.05; author mycroft; state Exp; branches; next 1.6; 1.6 date 2002.09.09.19.01.52; author mycroft; state Exp; branches; next 1.5; 1.5 date 2002.09.09.18.10.21; author mycroft; state Exp; branches; next 1.4; 1.4 date 99.03.01.14.40.32; author christos; state Exp; branches 1.4.12.1; next 1.3; 1.3 date 99.03.01.03.39.39; author kim; state Exp; branches; next 1.2; 1.2 date 99.02.26.22.01.31; author pk; state Exp; branches; next 1.1; 1.1 date 99.02.24.18.25.41; author christos; state Exp; branches; next ; 1.15.30.1 date 2008.05.18.12.30.44; author yamt; state Exp; branches; next ; 1.4.12.1 date 2004.05.28.08.31.22; author tron; state Exp; branches; next ; desc @@ 1.16 log @Remove clause 3 and 4 from TNF licenses @ text @/* $NetBSD: rtld_start.S,v 1.15 2003/03/01 15:14:59 mycroft Exp $ */ /*- * Copyright (c) 1999, 2002, 2003 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Christos Zoulas, Paul Kranenburg, and by Charles M. Hannum. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``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 THE FOUNDATION OR CONTRIBUTORS * 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 .section ".text" .align 4 .global _rtld_start .type _rtld_start,@@function _rtld_start: mov 0, %fp /* Erect a fence post for ourselves */ mov %g1, %l1 /* save ps_strings */ sub %sp, 32+8, %sp /* room for return args and save area */ sethi %hi(_GLOBAL_OFFSET_TABLE_-4), %l7 call 0f add %l7, %lo(_GLOBAL_OFFSET_TABLE_+4), %l7 call _DYNAMIC+8 0: add %l7, %o7, %l7 /* real &_GLOBAL_OFFSET_TABLE_ */ ld [%o7+8], %o0 /* load stub call instruction */ ld [%l7], %l0 /* base-relative &_DYNAMIC */ sll %o0, 2, %o0 /* extract PC offset */ add %o0, %o7, %o0 /* real &_DYNAMIC */ sub %o0, %l0, %l0 /* relocbase */ call _rtld_relocate_nonplt_self mov %l0, %o1 /* relocbase */ mov %l0, %o1 /* relocbase */ call _rtld add %sp, 96, %o0 /* &argc - 8 */ ld [%sp + 96], %g3 /* arg: cleanup */ ld [%sp + 96 + 4], %g2 /* arg: obj */ add %sp, 32+8, %sp /* restore stack pointer */ jmp %o0 mov %l1, %g1 /* restore ps_strings */ .section ".text" .align 4 .global _rtld_bind_start .type _rtld_bind_start,@@function _rtld_bind_start: # (obj, reloff) ld [%o7 + 8], %o0 /* obj id is in second PLT slot */ srl %g1, 10, %o1 /* offset is in high 22 bits */ call _rtld_bind /* Call _rtld_bind(obj, offset) */ sub %o1, 12*4, %o1 /* first 4 `pltrel' entries missing! */ jmp %o0 /* return value == function address */ restore @ 1.15 log @Update copyright. @ text @d1 1 a1 1 /* $NetBSD: rtld_start.S,v 1.14 2003/02/27 05:39:42 mycroft Exp $ */ a17 7 * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. @ 1.15.30.1 log @sync with head. @ text @d1 1 a1 1 /* $NetBSD: rtld_start.S,v 1.15 2003/03/01 15:14:59 mycroft Exp $ */ d18 7 @ 1.14 log @Adjust for the fact that the GOT is all 0s in new binutils -- do the trick of disassembling a call to _DYNAMIC to determine its real address, and using the first entry of the GOT as its base-relative address. It's evil, but it works. @ text @d1 1 a1 1 /* $NetBSD: rtld_start.S,v 1.13 2002/09/26 02:05:41 mycroft Exp $ */ d4 1 a4 1 * Copyright (c) 1999, 2002 The NetBSD Foundation, Inc. @ 1.13 log @Make the stack frame 96 bytes, like GCC does. @ text @d1 1 a1 1 /* $NetBSD: rtld_start.S,v 1.12 2002/09/26 01:59:16 mycroft Exp $ */ a42 6 .LLGETPC0: retl add %o7,%l7,%l7 .section ".text" .align 4 d51 1 a51 1 call .LLGETPC0 d53 5 a57 2 ld [%l7+_DYNAMIC], %o0 ld [%l7+_GLOBAL_OFFSET_TABLE_], %l0 d59 2 a60 1 sub %l7, %l0, %o1 /* relocbase */ d62 1 a62 1 add %o0, %o1, %o0 /* &_DYNAMIC */ d64 1 a64 1 sub %l7, %l0, %o1 /* relocbase */ @ 1.12 log @Tweak the save instruction in the PLT stub rather than adding an instruction to the binder entry stub... @ text @d1 1 a1 1 /* $NetBSD: rtld_start.S,v 1.11 2002/09/26 01:54:52 mycroft Exp $ */ d54 1 a54 1 sub %sp, 24+8, %sp /* room for return args and save area */ d68 1 a68 1 add %sp, 24+64, %o0 /* &argc - 8 */ d70 3 a72 3 ld [%sp + 24+64], %g3 /* arg: cleanup */ ld [%sp + 24+64 + 4], %g2 /* arg: obj */ add %sp, 24+8, %sp /* restore stack pointer */ @ 1.11 log @Allocate space for the argument space area in both _rtld_start() and _rtld_bind_start(). Not needed normally, but if we compile ld.elf_so with -g, it blows up without this. @ text @d1 1 a1 1 /* $NetBSD: rtld_start.S,v 1.10 2002/09/25 14:38:51 mycroft Exp $ */ a82 1 sub %sp, 24, %sp @ 1.10 log @There is no need to save and restore a second register window in the binder stub. @ text @d1 1 a1 1 /* $NetBSD: rtld_start.S,v 1.9 2002/09/12 17:18:41 mycroft Exp $ */ d54 1 a54 1 sub %sp, 8, %sp /* Make room for return args */ d68 1 a68 1 add %sp, 64, %o0 /* &argc - 8 */ d70 3 a72 3 ld [%sp + 64], %g3 /* arg: cleanup */ ld [%sp + 64 + 4], %g2 /* arg: obj */ add %sp, 8, %sp /* restore stack pointer */ d83 1 @ 1.9 log @Update comments. @ text @d1 1 a1 1 /* $NetBSD: rtld_start.S,v 1.8 2002/09/12 17:07:26 mycroft Exp $ */ d83 1 a83 2 save %sp, -96, %sp /* setup standard stack frame */ ld [%i7 + 8], %o0 /* obj id is in second PLT slot */ d88 2 a89 4 mov %o0, %g1 /* return value == function address */ restore /* get rid of our context */ jmp %g1 /* and the jmpslot context, then go. */ restore @ 1.8 log @Pass the calculated relocation offset down to _rtld(). @ text @d1 1 a1 1 /* $NetBSD: rtld_start.S,v 1.7 2002/09/11 19:11:05 mycroft Exp $ */ d4 1 a4 1 * Copyright (c) 1999 The NetBSD Foundation, Inc. d8 1 a8 1 * by Christos Zoulas and Paul Kranenburg. @ 1.7 log @Do the _rtld_relocate_nonplt_self() thing for SPARC. @ text @d1 1 a1 1 /* $NetBSD: rtld_start.S,v 1.6 2002/09/09 19:01:52 mycroft Exp $ */ d60 3 a62 2 ld [%l7+_GLOBAL_OFFSET_TABLE_], %o1 sub %l7, %o1, %o1 d64 1 a64 1 add %o0, %o1, %o0 d66 1 @ 1.6 log @Indent branch delay instructions. @ text @d1 1 a1 1 /* $NetBSD: rtld_start.S,v 1.5 2002/09/09 18:10:21 mycroft Exp $ */ d59 1 a59 1 ld [%l7+_GOT_END_], %o0 d61 3 a63 11 mov %l7, %o2 sub %o2, %o1, %o1 add %o0, %o1, %o0 ld [%o2], %o3 1: add %o3, %o1, %o3 st %o3, [%o2] add %o2, 4, %o2 cmp %o2, %o0 blu,a 1b ld [%o2], %o3 @ 1.5 log @Nuke RTLD_RELOCATE_SELF for SPARC. @ text @d1 1 a1 1 /* $NetBSD: rtld_start.S,v 1.4 1999/03/01 14:40:32 christos Exp $ */ d45 1 a45 1 add %o7,%l7,%l7 d58 1 a58 1 add %l7, %lo(_GLOBAL_OFFSET_TABLE_+4), %l7 @ 1.4 log @- Use c style comments. - & -> and - align 4 in both functions for consistency. @ text @d1 1 a1 1 /* $NetBSD: rtld_start.S,v 1.3 1999/03/01 03:39:39 kim Exp $ */ d43 6 d55 17 @ 1.4.12.1 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 1.15 2003/03/01 15:14:59 mycroft Exp $ */ d4 1 a4 1 * Copyright (c) 1999, 2002, 2003 The NetBSD Foundation, Inc. d8 1 a8 1 * by Christos Zoulas, Paul Kranenburg, and by Charles M. Hannum. d48 1 a48 1 sub %sp, 32+8, %sp /* room for return args and save area */ a49 15 sethi %hi(_GLOBAL_OFFSET_TABLE_-4), %l7 call 0f add %l7, %lo(_GLOBAL_OFFSET_TABLE_+4), %l7 call _DYNAMIC+8 0: add %l7, %o7, %l7 /* real &_GLOBAL_OFFSET_TABLE_ */ ld [%o7+8], %o0 /* load stub call instruction */ ld [%l7], %l0 /* base-relative &_DYNAMIC */ sll %o0, 2, %o0 /* extract PC offset */ add %o0, %o7, %o0 /* real &_DYNAMIC */ sub %o0, %l0, %l0 /* relocbase */ call _rtld_relocate_nonplt_self mov %l0, %o1 /* relocbase */ mov %l0, %o1 /* relocbase */ d51 1 a51 1 add %sp, 96, %o0 /* &argc - 8 */ d53 3 a55 3 ld [%sp + 96], %g3 /* arg: cleanup */ ld [%sp + 96 + 4], %g2 /* arg: obj */ add %sp, 32+8, %sp /* restore stack pointer */ d66 2 a67 1 ld [%o7 + 8], %o0 /* obj id is in second PLT slot */ d72 4 a75 2 jmp %o0 /* return value == function address */ restore @ 1.3 log @Make mkdep succeed (use matching quotes in comment). @ text @d1 1 a1 1 /* $NetBSD: rtld_start.S,v 1.2 1999/02/26 22:01:31 pk Exp $ */ d8 1 a8 1 * by Christos Zoulas & Paul Kranenburg. d42 1 a42 1 .align 8 d46 3 a48 3 mov 0, %fp ! Erect a fence post for ourselves mov %g1, %l1 ! save ps_strings sub %sp, 8, %sp ! Make room for return args d51 1 a51 1 add %sp, 64, %o0 ! &argc - 8 d53 3 a55 3 ld [%sp + 64], %g3 ! arg: cleanup ld [%sp + 64 + 4], %g2 ! arg: obj add %sp, 8, %sp ! restore stack pointer d58 1 a58 1 mov %l1, %g1 ! restore ps_strings d66 10 a75 10 save %sp, -96, %sp ! setup standard stack frame ld [%i7 + 8], %o0 ! obj id is in second PLT slot srl %g1, 10, %o1 ! offset is in high 22 bits call _rtld_bind ! Call _rtld_bind(obj, offset) sub %o1, 12*4, %o1 ! first 4 'pltrel' entries are missing! mov %o0, %g1 ! return value == function address restore ! get rid of our context jmp %g1 ! and the jmpslot context, then go. restore ! @ 1.2 log @Implement rtld_bind() stub. Fix startup code. @ text @d1 1 a1 1 /* $NetBSD: rtld_start.S,v 1.1 1999/02/24 18:25:41 christos Exp $ */ d70 1 a70 1 sub %o1, 12*4, %o1 ! first 4 `pltrel' entries are missing! @ 1.1 log @Work in progress (does not work yet). @ text @d1 1 a1 1 /* $NetBSD: rtld_start.S,v 1.1 1999/01/10 18:21:24 christos Exp $ */ d4 1 a4 1 * Copyright (c) 1998 The NetBSD Foundation, Inc. d8 1 a8 1 * by Christos Zoulas. d41 1 a41 1 .text d43 1 a43 1 .globl _rtld_start d46 3 a48 14 mov 0, %fp add %sp, 56, %o0 ! &argc - 8 andn %sp, 7, %sp ! align sub %sp, 24, %sp ! expand to standard stack frame size st %g1, [%sp] ! Store ps_strings call _rtld,0 ! _rtld(sp) nop ld [%sp - 4], %g3 ld [%sp - 8], %g2 ld [%sp - 12], %g1 ld [%o0], %o0 call %o0 d50 12 d63 1 a63 1 .globl _rtld_bind_start d66 11 a76 3 call exit,0 ! exit(random) nop ret @