head 1.2; access; symbols perseant-exfatfs-base-20250801:1.2 perseant-exfatfs-base-20240630:1.2 cjep_sun2x:1.2.0.44 cjep_sun2x-base:1.2 cjep_staticlib_x-base1:1.2 cjep_staticlib_x:1.2.0.42 cjep_staticlib_x-base:1.2 phil-wifi-20200421:1.2 phil-wifi-20200411:1.2 phil-wifi-20200406:1.2 pgoyette-compat-merge-20190127:1.2 pgoyette-compat-20190127:1.2 pgoyette-compat-20190118:1.2 pgoyette-compat-1226:1.2 pgoyette-compat-1126:1.2 pgoyette-compat-1020:1.2 pgoyette-compat-0930:1.2 pgoyette-compat-0906:1.2 pgoyette-compat-0728:1.2 pgoyette-compat-0625:1.2 pgoyette-compat-0521:1.2 pgoyette-compat-0502:1.2 pgoyette-compat-0422:1.2 pgoyette-compat-0415:1.2 pgoyette-compat-0407:1.2 pgoyette-compat-0330:1.2 pgoyette-compat-0322:1.2 pgoyette-compat-0315:1.2 pgoyette-compat:1.2.0.40 pgoyette-compat-base:1.2 perseant-stdc-iso10646:1.2.0.38 perseant-stdc-iso10646-base:1.2 prg-localcount2-base3:1.2 prg-localcount2-base2:1.2 prg-localcount2-base1:1.2 prg-localcount2:1.2.0.36 prg-localcount2-base:1.2 pgoyette-localcount-20170426:1.2 bouyer-socketcan-base1:1.2 pgoyette-localcount-20170320:1.2 bouyer-socketcan:1.2.0.34 bouyer-socketcan-base:1.2 pgoyette-localcount-20170107:1.2 pgoyette-localcount-20161104:1.2 localcount-20160914:1.2 pgoyette-localcount-20160806:1.2 pgoyette-localcount-20160726:1.2 pgoyette-localcount:1.2.0.32 pgoyette-localcount-base:1.2 netbsd-5-2-3-RELEASE:1.2 netbsd-5-1-5-RELEASE:1.2 yamt-pagecache-base9:1.2 yamt-pagecache-tag8:1.2 tls-earlyentropy:1.2.0.28 tls-earlyentropy-base:1.2 riastradh-xf86-video-intel-2-7-1-pre-2-21-15:1.2 riastradh-drm2-base3:1.2 netbsd-5-2-2-RELEASE:1.2 netbsd-5-1-4-RELEASE:1.2 netbsd-5-2-1-RELEASE:1.2 netbsd-5-1-3-RELEASE:1.2 agc-symver:1.2.0.30 agc-symver-base:1.2 tls-maxphys-base:1.2 yamt-pagecache-base8:1.2 netbsd-5-2:1.2.0.26 yamt-pagecache-base7:1.2 netbsd-5-2-RELEASE:1.2 netbsd-5-2-RC1:1.2 yamt-pagecache-base6:1.2 yamt-pagecache-base5:1.2 yamt-pagecache-base4:1.2 netbsd-5-1-2-RELEASE:1.2 netbsd-5-1-1-RELEASE:1.2 yamt-pagecache-base3:1.2 yamt-pagecache-base2:1.2 yamt-pagecache:1.2.0.24 yamt-pagecache-base:1.2 bouyer-quota2-nbase:1.2 bouyer-quota2:1.2.0.22 bouyer-quota2-base:1.2 matt-nb5-pq3:1.2.0.20 matt-nb5-pq3-base:1.2 netbsd-5-1:1.2.0.18 netbsd-5-1-RELEASE:1.2 netbsd-5-1-RC4:1.2 netbsd-5-1-RC3:1.2 netbsd-5-1-RC2:1.2 netbsd-5-1-RC1:1.2 netbsd-5-0-2-RELEASE:1.2 netbsd-5-0-1-RELEASE:1.2 jym-xensuspend-nbase:1.2 netbsd-5-0:1.2.0.16 netbsd-5-0-RELEASE:1.2 netbsd-5-0-RC4:1.2 netbsd-5-0-RC3:1.2 netbsd-5-0-RC2:1.2 jym-xensuspend:1.2.0.14 jym-xensuspend-base:1.2 netbsd-5-0-RC1:1.2 netbsd-5:1.2.0.12 netbsd-5-base:1.2 mjf-devfs2:1.2.0.10 mjf-devfs2-base:1.2 yamt-pf42-base4:1.2 yamt-pf42-base3:1.2 hpcarm-cleanup-nbase:1.2 yamt-pf42-base2:1.2 yamt-pf42:1.2.0.8 yamt-pf42-base:1.2 keiichi-mipv6:1.2.0.6 keiichi-mipv6-base:1.2 cube-autoconf:1.2.0.4 cube-autoconf-base:1.2 hpcarm-cleanup:1.2.0.2 hpcarm-cleanup-base:1.2; locks; strict; comment @ * @; 1.2 date 97.04.16.16.59.45; author christos; state dead; branches; next 1.1; 1.1 date 96.11.03.18.06.50; author ws; state Exp; branches; next ; desc @@ 1.2 log @Moved to arch @ text @/* $NetBSD: md.c,v 1.1 1996/11/03 18:06:50 ws Exp $ */ /* * Copyright (c) 1993 Paul Kranenburg * All rights reserved. * * 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 by Paul Kranenburg. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 #include #include #include #include #include #include #include #include #include "ld.h" static int reloc_target_rightshift[] = { -1, 0, 2, 0, 0, 16, 16, 2, -1, -1, 2, 2, -1, -1, 0, 0, 16, 16, 2, -1, -1, -1, -1, -1, -1, -1, 0, 0, 0, 0, 16, 16 }; static int reloc_target_bitpos[] = { -1, 0, 2, 0, 0, 0, 0, 2, -1, -1, 2, 2, -1, -1, 0, 0, 0, 0, 2, -1, -1, -1, -1, -1, -1, -1, 0, 0, 0, 0, 0, 0 }; static int reloc_target_size[] = { -1, 4, 4, 2, 2, 2, 2, 4, -1, -1, 4, 4, -1, -1, 2, 2, 2, 2, 4, -1, -1, -1, -1, -1, -1, -1, 4, 4, 4, 2, 2, 2 }; static int reloc_target_bitsize[] = { -1, 32, 24, 16, 16, 16, 16, 14, -1, -1, 24, 14, -1, -1, 16, 16, 16, 16, 24, -1, -1, -1, -1, -1, -1, -1, 32, 32, 32, 16, 16, 16 }; /* * Get relocation addend corresponding to relocation record RP * from address ADDR */ long md_get_addend(rp, addr) struct relocation_info *rp; unsigned char *addr; { return rp->r_addend; } /* * Put RELOCATION at ADDR according to relocation record RP. */ void md_relocate(rp, relocation, addr, relocatable_output) struct relocation_info *rp; long relocation; unsigned char *addr; int relocatable_output; { register unsigned long mask; int ha_adj = 0; if (relocatable_output) { /* * Store relocation where the next link-edit run * will look for it. */ rp->r_addend = relocation; return; } if (rp->r_type == RELOC_16_HA || rp->r_type == RELOC_GOT16_HA || rp->r_type == RELOC_PLT16_HA) relocation += (relocation & 0x8000) << 1; relocation >>= RELOC_VALUE_RIGHTSHIFT(rp); /* Unshifted mask for relocation */ mask = 1 << RELOC_TARGET_BITSIZE(rp) - 1; mask |= mask - 1; relocation &= mask; /* Shift everything up to where it's going to be used */ relocation <<= RELOC_TARGET_BITPOS(rp); mask <<= RELOC_TARGET_BITPOS(rp); switch (RELOC_TARGET_SIZE(rp)) { case 4: *(u_long *)addr &= ~mask; *(u_long *)addr |= relocation; break; case 2: *(u_short *)addr &= ~mask; *(u_short *)addr |= relocation; break; default: errx(1, "Unknown relocation type %d", rp->r_type); } } #ifndef RTLD /* * Machine dependent part of claim_rrs_reloc(). * Set RRS relocation type. */ int md_make_reloc(rp, r, type) struct relocation_info *rp, *r; int type; { r->r_type = rp->r_type; r->r_addend = rp->r_addend; if (RELOC_PCREL_P(rp)) r->r_addend -= pc_relocation; return 1; } #endif /* * Set up a transfer from jmpslot at OFFSET (relative to the PLT table) * to the binder slot (which is at offset 0 of the PLT). */ void md_make_jmpslot(sp, offset, index) jmpslot_t *sp; long offset; long index; { errx(1, "md_make_jmpslot unimplemented"); } /* * Set up a "direct" transfer (ie. not through the run-time binder) from * jmpslot at OFFSET to ADDR. Used by `ld' when the SYMBOLIC flag is on, * and by `ld.so' after resolving the symbol. */ void md_fix_jmpslot(sp, offset, addr) jmpslot_t *sp; long offset; u_long addr; { errx(1, "md_fix_jmpslot unimplemented"); } /* * Update the relocation record for a RRS jmpslot. */ void md_make_jmpreloc(rp, r, type) struct relocation_info *rp, *r; int type; { errx(1, "md_make_jmpreloc unimplemented"); } /* * Set relocation type for a RRS GOT relocation. */ void md_make_gotreloc(rp, r, type) struct relocation_info *rp, *r; int type; { errx(1, "md_make_gotreloc unimplemented"); } /* * Set relocation type for a RRS copy operation. */ void md_make_cpyreloc(rp, r) struct relocation_info *rp, *r; { errx(1, "md_make_cpyreloc unimplemented"); } void md_set_breakpoint(where, savep) long where; long *savep; { *savep = *(long *)where; *(char *)where = TRAP; } #ifndef RTLD /* * Initialize (output) exec header such that useful values are * obtained from subsequent N_*() macro evaluations. */ void md_init_header(hp, magic, flags) struct exec *hp; int magic, flags; { N_SETMAGIC((*hp), magic, MID_MACHINE, flags); /* TEXT_START depends on the value of outheader.a_entry. */ if (!(link_mode & SHAREABLE)) hp->a_entry = PAGSIZ; } #endif /* RTLD */ #ifdef NEED_SWAP /* * Byte swap routines for cross-linking. */ void md_swapin_exec_hdr(h) struct exec *h; { swap_longs((long *)h + 1, sizeof(*h)/sizeof(long) - skip); } void md_swapout_exec_hdr(h) struct exec *h; { swap_longs((long *)h + 1, sizeof(*h)/sizeof(long) - skip); } void md_swapin_reloc(r, n) struct relocation_info *r; int n; { errx(1, "md_swapin_reloc unimplemented"); } void md_swapout_reloc(r, n) struct relocation_info *r; int n; { errx(1, "md_swapout_reloc unimplemented"); } void md_swapout_jmpslot(j, n) jmpslot_t *j; int n; { errx(1, "md_swapout_jmpslot unimplemented"); } #endif /* NEED_SWAP */ @ 1.1 log @Add machine dependent code for NetBSD/powerpc @ text @d1 1 a1 1 /* $NetBSD$ */ @