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Diffstat (limited to 'libdwarf/pro_util.h')
| -rw-r--r-- | libdwarf/pro_util.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/libdwarf/pro_util.h b/libdwarf/pro_util.h new file mode 100644 index 0000000..6a8e8e1 --- /dev/null +++ b/libdwarf/pro_util.h @@ -0,0 +1,146 @@ +/* + + Copyright (C) 2000,2004 Silicon Graphics, Inc. All Rights Reserved. + Portions Copyright 2002-2010 Sun Microsystems, Inc. All rights reserved. + + This program is free software; you can redistribute it and/or modify it + under the terms of version 2.1 of the GNU Lesser General Public License + as published by the Free Software Foundation. + + This program is distributed in the hope that it would be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + + Further, this software is distributed without any warranty that it is + free of the rightful claim of any third person regarding infringement + or the like. Any license provided herein, whether implied or + otherwise, applies only to this software file. Patent licenses, if + any, provided herein do not apply to combinations of this program with + other software, or any other product whatsoever. + + You should have received a copy of the GNU Lesser General Public + License along with this program; if not, write the Free Software + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston MA 02110-1301, + USA. + + Contact information: Silicon Graphics, Inc., 1500 Crittenden Lane, + Mountain View, CA 94043, or: + + http://www.sgi.com + + For further information regarding this notice, see: + + http://oss.sgi.com/projects/GenInfo/NoticeExplan + +*/ + + + + +#define IS_64BIT(dbg) ((dbg)->de_flags & DW_DLC_SIZE_64 ? 1 : 0) +#define ISA_IA64(dbg) ((dbg)->de_flags & DW_DLC_ISA_IA64 ? 1 : 0) + +/* definition of sizes of types, given target machine */ +#define sizeof_sbyte(dbg) sizeof(Dwarf_Sbyte) +#define sizeof_ubyte(dbg) sizeof(Dwarf_Ubyte) +#define sizeof_uhalf(dbg) sizeof(Dwarf_Half) +/* certain sizes not defined here, but set in dbg record. + See pro_init.c +*/ + +/* Computes amount of padding necessary to align n to a k-boundary. */ +/* Important: Assumes n, k both GREATER than zero. */ +#define PADDING(n, k) ( (k)-1 - ((n)-1)%(k) ) + +/* The following defines are only important for users of the +** producer part of libdwarf, and such should have these +** defined correctly (as necessary) +** by the #include <elf.h> done in pro_incl.h +** before the #include "pro_util.h". +** For others producer macros do not matter so 0 is a usable value, and +** zero values let compilation succeed on more non-MIPS architectures. +** A better approach would be welcome. +*/ +/* R_MIPS* are #define so #ifndef works */ +/* R_IA_64* are not necessarily #define (might be enum) so #ifndef + is useless, we use the configure script generating + HAVE_R_IA_64_DIR32LSB and HAVE_R_IA64_DIR32LSB. +*/ +#ifndef R_MIPS_64 +#define R_MIPS_64 0 +#endif +#ifndef R_MIPS_32 +#define R_MIPS_32 0 +#endif +#ifndef R_MIPS_SCN_DISP +#define R_MIPS_SCN_DISP 0 +#endif + +/* R_IA_64_DIR32LSB came before the now-standard R_IA64_DIR32LSB + (etc) was defined. This now deals with either form, + preferring the new form if available. */ +#ifdef HAVE_R_IA64_DIR32LSB +#define DWARF_PRO_R_IA64_DIR32LSB R_IA64_DIR32LSB +#define DWARF_PRO_R_IA64_DIR64LSB R_IA64_DIR64LSB +#define DWARF_PRO_R_IA64_SEGREL64LSB R_IA64_SEGREL64LSB +#define DWARF_PRO_R_IA64_SEGREL32LSB R_IA64_SEGREL32LSB +#endif +#if defined(HAVE_R_IA_64_DIR32LSB) && !defined(HAVE_R_IA64_DIR32LSB) +#define DWARF_PRO_R_IA64_DIR32LSB R_IA_64_DIR32LSB +#define DWARF_PRO_R_IA64_DIR64LSB R_IA_64_DIR64LSB +#define DWARF_PRO_R_IA64_SEGREL64LSB R_IA_64_SEGREL64LSB +#define DWARF_PRO_R_IA64_SEGREL32LSB R_IA_64_SEGREL32LSB +#endif +#if !defined(HAVE_R_IA_64_DIR32LSB) && !defined(HAVE_R_IA64_DIR32LSB) +#define DWARF_PRO_R_IA64_DIR32LSB 0 +#define DWARF_PRO_R_IA64_DIR64LSB 0 +#define DWARF_PRO_R_IA64_SEGREL64LSB 0 +#define DWARF_PRO_R_IA64_SEGREL32LSB 0 +#endif + +/* The default "I don't know" value can't be zero. + Because that's the sentinel value that means "no relocation". + In order to use this library in 'symbolic relocation mode we + don't care if this value is the right relocation value, + only that it's non-NULL. So at the end, we define it + to something sensible. */ + + + +#if defined(sun) +#if defined(sparc) +#define Get_REL64_isa(dbg) (R_SPARC_UA64) +#define Get_REL32_isa(dbg) (R_SPARC_UA32) +#define Get_REL_SEGREL_isa(dbg) (R_SPARC_NONE) /* I don't know! */ +#else /* i386 */ +#define Get_REL64_isa(dbg) (R_386_32) /* Any non-zero value is ok */ +#define Get_REL32_isa(dbg) (R_386_32) +#define Get_REL_SEGREL_isa(dbg) (R_386_NONE) /* I don't know! */ +#endif /* sparc || i386 */ +#else /* !sun */ +#ifdef HAVE_SYS_IA64_ELF_H +#define Get_REL64_isa(dbg) (ISA_IA64(dbg) ? \ + DWARF_PRO_R_IA64_DIR64LSB : R_MIPS_64) +#define Get_REL32_isa(dbg) (ISA_IA64(dbg) ? \ + DWARF_PRO_R_IA64_DIR32LSB : R_MIPS_32) + + +/* ia64 uses 32bit dwarf offsets for sections */ +#define Get_REL_SEGREL_isa(dbg) (ISA_IA64(dbg) ? \ + DWARF_PRO_R_IA64_SEGREL32LSB : R_MIPS_SCN_DISP) +#else /* HAVE_SYS_IA64_ELF_H */ + +#if !defined(linux) && !defined(__BEOS__) +#define Get_REL64_isa(dbg) (R_MIPS_64) +#define Get_REL32_isa(dbg) (R_MIPS_32) +#define Get_REL_SEGREL_isa(dbg) (R_MIPS_SCN_DISP) +#else +#define Get_REL64_isa(dbg) (1) +#define Get_REL32_isa(dbg) (1) /* these are used on linux */ +#define Get_REL_SEGREL_isa(dbg) (1) /* non zero values, see comments above */ +#endif + +#endif /* HAVE_SYS_IA64_ELF_H */ +#endif /* !sun */ + + |