/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2005 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _RELOC_DOT_H #define _RELOC_DOT_H #pragma ident "%Z%%M% %I% %E% SMI" #if defined(_KERNEL) #include #include #include #include #else #include #endif /* _KERNEL */ #include #ifdef __cplusplus extern "C" { #endif /* * Global include file for relocation common code. * * Flags for reloc_entry->re_flags */ #define FLG_RE_NOTREL 0x00000000 #define FLG_RE_GOTADD 0x00000001 /* create a GOT entry */ #define FLG_RE_GOTREL 0x00000002 /* GOT based */ #define FLG_RE_GOTPC 0x00000004 /* GOT - P */ #define FLG_RE_GOTOPINS 0x00000008 /* GOTOP instruction */ #define FLG_RE_PCREL 0x00000010 #define FLG_RE_PLTREL 0x00000020 #define FLG_RE_VERIFY 0x00000040 /* verify value fits */ #define FLG_RE_UNALIGN 0x00000080 /* offset is not aligned */ #define FLG_RE_WDISP16 0x00000100 /* funky sparc DISP16 rel */ #define FLG_RE_SIGN 0x00000200 /* value is signed */ #define FLG_RE_ADDRELATIVE 0x00000400 /* RELATIVE relocation */ /* required for non-fixed */ /* objects */ #define FLG_RE_EXTOFFSET 0x00000800 /* extra offset required */ #define FLG_RE_REGISTER 0x00001000 /* relocation initializes */ /* a REGISTER by OLO10 */ #define FLG_RE_MSB 0x00002000 /* merced MSB data field */ #define FLG_RE_LSB 0x00004000 /* merced LSB data field */ #define FLG_RE_ADDFIELD 0x00008000 /* add contents of field at */ /* r_offset to value */ #define FLG_RE_NOTSUP 0x00010000 /* relocation not supported */ #define FLG_RE_FRMOFF 0x00020000 /* offset contains islot */ /* value (IA64) */ #define FLG_RE_SEGREL 0x00040000 /* Segment relative */ #define FLG_RE_SECREL 0x00080000 /* Section relative */ #define FLG_RE_TLSINS 0x00100000 /* TLS instructino rel */ #define FLG_RE_TLSGD 0x00200000 /* TLS GD relocation */ #define FLG_RE_TLSLD 0x00400000 /* TLS LD relocation */ #define FLG_RE_TLSIE 0x00800000 /* TLS IE relocation */ #define FLG_RE_TLSLE 0x01000000 /* TLS LE relocation */ #define FLG_RE_LOCLBND 0x02000000 /* relocation must bind */ /* locally */ /* * Macros for testing relocation table flags */ extern const Rel_entry reloc_table[]; #define IS_PLT(X) ((reloc_table[(X)].re_flags & \ FLG_RE_PLTREL) != 0) #define IS_GOT_RELATIVE(X) ((reloc_table[(X)].re_flags & \ FLG_RE_GOTADD) != 0) #define IS_GOT_PC(X) ((reloc_table[(X)].re_flags & \ FLG_RE_GOTPC) != 0) #define IS_GOTPCREL(X) ((reloc_table[(X)].re_flags & \ (FLG_RE_GOTPC | FLG_RE_GOTADD)) == \ (FLG_RE_GOTPC | FLG_RE_GOTADD)) #define IS_GOT_BASED(X) ((reloc_table[(X)].re_flags & \ FLG_RE_GOTREL) != 0) #define IS_GOT_INS(X) ((reloc_table[(X)].re_flags &\ FLG_RE_GOTOPINS) != 0) #define IS_PC_RELATIVE(X) ((reloc_table[(X)].re_flags & \ FLG_RE_PCREL) != 0) #define IS_ADD_RELATIVE(X) ((reloc_table[(X)].re_flags & \ FLG_RE_ADDRELATIVE) != 0) #define IS_REGISTER(X) ((reloc_table[(X)].re_flags & \ FLG_RE_REGISTER) != 0) #define IS_FORMOFF(X) ((reloc_table[(X)].re_flags &\ FLG_RE_FRMOFF) != 0) #define IS_NOTSUP(X) ((reloc_table[(X)].re_flags &\ FLG_RE_NOTSUP) != 0) #define IS_SEG_RELATIVE(X) ((reloc_table[(X)].re_flags &\ FLG_RE_SEGREL) != 0) #define IS_EXTOFFSET(X) ((reloc_table[(X)].re_flags &\ FLG_RE_EXTOFFSET) != 0) #define IS_SEC_RELATIVE(X) ((reloc_table[(X)].re_flags &\ FLG_RE_SECREL) != 0) #define IS_TLS_INS(X) ((reloc_table[(X)].re_flags &\ FLG_RE_TLSINS) != 0) #define IS_TLS_GD(X) ((reloc_table[(X)].re_flags &\ FLG_RE_TLSGD) != 0) #define IS_TLS_LD(X) ((reloc_table[(X)].re_flags &\ FLG_RE_TLSLD) != 0) #define IS_TLS_IE(X) ((reloc_table[(X)].re_flags &\ FLG_RE_TLSIE) != 0) #define IS_TLS_LE(X) ((reloc_table[(X)].re_flags &\ FLG_RE_TLSLE) != 0) #define IS_TLS(X) ((reloc_table[(X)].re_flags &\ (FLG_RE_TLSINS|FLG_RE_TLSGD| \ FLG_RE_TLSLD|FLG_RE_TLSIE| \ FLG_RE_TLSLE)) != 0) #define IS_LOCALBND(X) ((reloc_table[(X)].re_flags &\ FLG_RE_LOCLBND) != 0) /* * Functions. */ #if defined(__i386) || defined(__amd64) extern int do_reloc(unsigned char, unsigned char *, Xword *, const char *, const char *); #elif defined(__sparc) extern int do_reloc(unsigned char, unsigned char *, Xword *, const char *, const char *); #endif /* * NOTE - this CONVRELOC macro is only used * in the REL_ERR_NOFIT() macro below. For Intel * this macro is only referenced from the amd64 side - it's * not relevant for i386. So - we just define AMD64 for i386 * and sparc is sparc. */ #if defined(__amd64) || defined(__i386) #define CONVRELOC conv_reloc_amd64_type_str #elif defined(__sparc) #define CONVRELOC conv_reloc_SPARC_type_str #else #error platform not defined! #endif #if defined(_KERNEL) /* * These are macro's that are only needed for krtld. Many of these * are already defined in the sgs/include files referenced by * ld and rtld */ #define S_MASK(n) ((1l << (n)) - 1l) #define S_INRANGE(v, n) (((-(1l << (n)) - 1l) < (v)) && ((v) < (1l << (n)))) /* * This converts the sgs eprintf() routine into the _printf() * as used by krtld. */ #define eprintf _kobj_printf #define ERR_FATAL ops /* * Message strings used by doreloc() */ #define MSG_ORIG(x) x #define MSG_INTL(x) x #define MSG_STR_UNKNOWN "(unknown)" #define MSG_REL_UNSUPSZ "relocation error: %s: file %s: symbol %s: " \ "offset size (%d bytes) is not supported" #define MSG_REL_ERR_STR "relocation error: %s:" #define MSG_REL_ERR_WITH_FILE "relocation error: file %s: " #define MSG_REL_ERR_FILE " file %s: " #define MSG_REL_ERR_SYM " symbol %s: " #define MSG_REL_ERR_VALUE " value 0x%llx" #define MSG_REL_ERR_OFF " offset 0x%llx\n" #define MSG_REL_UNIMPL " unimplemented relocation type: %d" #define MSG_REL_NONALIGN " offset 0x%llx is non-aligned\n" #define MSG_REL_UNNOBITS " unsupported number of bits: %d" #define MSG_REL_NOFIT " value 0x%llx does not fit\n" #define MSG_REL_LOSEBITS " loses %d bits at" extern const char *conv_reloc_SPARC_type_str(Word rtype); extern const char *conv_reloc_386_type_str(Word rtype); extern const char *conv_reloc_amd64_type_str(Word rtype); /* * Note: Related to bug 4128755, dlerror() only keeps track * of a single error string, and therefore must have errors * reported through a single eprintf() call. The kernel's * printf is somewhat more limited, and must receive messages * with only one arguement to the format string. The following * macros are to straighted all this out because krtld and * rtld share do_reloc(). */ #define REL_ERR_UNIMPL(file, sym, rtype) \ eprintf(ERR_FATAL, MSG_REL_ERR_WITH_FILE, (file)); \ eprintf(ERR_FATAL, MSG_REL_ERR_SYM, \ ((sym) ? (sym) : MSG_STR_UNKNOWN)); \ eprintf(ERR_FATAL, MSG_REL_UNIMPL, \ (int)(rtype)) #define REL_ERR_NONALIGN(file, sym, rtype, off) \ eprintf(ERR_FATAL, MSG_REL_ERR_STR, \ conv_reloc_SPARC_type_str((rtype))); \ eprintf(ERR_FATAL, MSG_REL_ERR_FILE, (file)); \ eprintf(ERR_FATAL, MSG_REL_ERR_SYM, \ ((sym) ? (sym) : MSG_STR_UNKNOWN)); \ eprintf(ERR_FATAL, MSG_REL_NONALIGN, \ EC_OFF((off))) #define REL_ERR_UNNOBITS(file, sym, rtype, nbits) \ eprintf(ERR_FATAL, MSG_REL_ERR_STR, \ conv_reloc_SPARC_type_str((rtype))); \ eprintf(ERR_FATAL, MSG_REL_ERR_FILE, (file)); \ eprintf(ERR_FATAL, MSG_REL_ERR_SYM, \ ((sym) ? (sym) : MSG_STR_UNKNOWN)); \ eprintf(ERR_FATAL, MSG_REL_UNNOBITS, (nbits)) #define REL_ERR_LOSEBITS(file, sym, rtype, uvalue, nbits, off) \ eprintf(ERR_FATAL, MSG_REL_ERR_STR, \ conv_reloc_SPARC_type_str((rtype))); \ eprintf(ERR_FATAL, MSG_REL_ERR_FILE, (file)); \ eprintf(ERR_FATAL, MSG_REL_ERR_SYM, \ ((sym) ? (sym) : MSG_STR_UNKNOWN)); \ eprintf(ERR_FATAL, MSG_REL_ERR_VALUE, EC_XWORD((uvalue))); \ eprintf(ERR_FATAL, MSG_REL_LOSEBITS, (nbits)); \ eprintf(ERR_FATAL, MSG_REL_ERR_OFF, EC_ADDR((off))) #define REL_ERR_NOFIT(file, sym, rtype, uvalue) \ eprintf(ERR_FATAL, MSG_REL_ERR_STR, \ CONVRELOC((rtype))); \ eprintf(ERR_FATAL, MSG_REL_ERR_FILE, (file)); \ eprintf(ERR_FATAL, MSG_REL_ERR_SYM, \ ((sym) ? (sym) : MSG_STR_UNKNOWN)); \ eprintf(ERR_FATAL, MSG_REL_NOFIT, EC_XWORD((uvalue))) #else /* !_KERNEL */ extern const char *demangle(const char *); #define REL_ERR_UNIMPL(file, sym, rtype) \ (eprintf(ERR_FATAL, MSG_INTL(MSG_REL_UNIMPL), \ (file), ((sym) ? demangle(sym) : MSG_INTL(MSG_STR_UNKNOWN)), \ (int)(rtype))) #define REL_ERR_NONALIGN(file, sym, rtype, off) \ (eprintf(ERR_FATAL, MSG_INTL(MSG_REL_NONALIGN), \ conv_reloc_SPARC_type_str(rtype), (file), \ ((sym) ? demangle(sym) : MSG_INTL(MSG_STR_UNKNOWN)), \ EC_OFF((off)))) #define REL_ERR_UNNOBITS(file, sym, rtype, nbits) \ (eprintf(ERR_FATAL, MSG_INTL(MSG_REL_UNNOBITS), \ conv_reloc_SPARC_type_str(rtype), (file), \ ((sym) ? demangle(sym) : MSG_INTL(MSG_STR_UNKNOWN)), (nbits))) #define REL_ERR_LOSEBITS(file, sym, rtype, uvalue, nbits, off) \ (eprintf(ERR_FATAL, MSG_INTL(MSG_REL_LOSEBITS), \ conv_reloc_SPARC_type_str((rtype)), (file), \ ((sym) ? demangle(sym) : MSG_INTL(MSG_STR_UNKNOWN)), \ EC_XWORD((uvalue)), (nbits), EC_ADDR((off)))) #define REL_ERR_NOFIT(file, sym, rtype, uvalue) \ (eprintf(ERR_FATAL, MSG_INTL(MSG_REL_NOFIT), \ CONVRELOC((rtype)), (file), \ ((sym) ? demangle(sym) : MSG_INTL(MSG_STR_UNKNOWN)), \ EC_XWORD((uvalue)))) #endif /* _KERNEL */ #ifdef __cplusplus } #endif #endif /* _RELOC_DOT_H */