Open64: osprey/libdwarf/libdwarf/pro

00001 /*
00002  * Copyright 2005 PathScale, Inc.  All Rights Reserved.
00003  */
00004 
00005 /*
00006 
00007   Copyright (C) 2000,2004 Silicon Graphics, Inc.  All Rights Reserved.
00008 
00009   This program is free software; you can redistribute it and/or modify it
00010   under the terms of version 2.1 of the GNU Lesser General Public License 
00011   as published by the Free Software Foundation.
00012 
00013   This program is distributed in the hope that it would be useful, but
00014   WITHOUT ANY WARRANTY; without even the implied warranty of
00015   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
00016 
00017   Further, this software is distributed without any warranty that it is
00018   free of the rightful claim of any third person regarding infringement 
00019   or the like.  Any license provided herein, whether implied or 
00020   otherwise, applies only to this software file.  Patent licenses, if
00021   any, provided herein do not apply to combinations of this program with 
00022   other software, or any other product whatsoever.  
00023 
00024   You should have received a copy of the GNU Lesser General Public 
00025   License along with this program; if not, write the Free Software 
00026   Foundation, Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, 
00027   USA.
00028 
00029   Contact information:  Silicon Graphics, Inc., 1500 Crittenden Lane,
00030   Mountain View, CA 94043, or:
00031 
00032   http://www.sgi.com
00033 
00034   For further information regarding this notice, see:
00035 
00036   http://oss.sgi.com/projects/GenInfo/NoticeExplan
00037 
00038 */
00039 
00040 
00041 
00042 
00043 #define IS_64BIT(dbg)   ((dbg)->de_flags & DW_DLC_SIZE_64 ? 1 : 0)
00044 #define ISA_IA64(dbg)   ((dbg)->de_flags & DW_DLC_ISA_IA64 ? 1 : 0)
00045 
00046 /* definition of sizes of types, given target machine */
00047 #define sizeof_sbyte(dbg)   sizeof(Dwarf_Sbyte)
00048 #define sizeof_ubyte(dbg) sizeof(Dwarf_Ubyte)
00049 #define sizeof_uhalf(dbg) sizeof(Dwarf_Half)
00050 /* certain sizes not defined here, but set in dbg record.
00051    See pro_init.c
00052 */
00053 
00054 /* Computes amount of padding necessary to align n to a k-boundary. */
00055 /* Important: Assumes n, k both GREATER than zero. */
00056 #define PADDING(n, k) ( (k)-1 - ((n)-1)%(k) )
00057 
00058 /* The following defines are only important for users of the
00059 ** producer part of libdwarf, and such should have these
00060 ** defined correctly (as necessary) 
00061 ** by the #include <elf.h> done in pro_incl.h
00062 ** before the #include "pro_util.h".
00063 ** For others producer macros do not matter so 0 is a usable value, and
00064 ** zero values let compilation succeed on more non-MIPS architectures.
00065 ** A better approach would be welcome.
00066 */
00067 /* R_MIPS* are #define so #ifndef works */
00068 /* R_IA_64* are not necessarily #define (might be enum) so #ifndef
00069    is useless, we use the configure script generating 
00070    HAVE_R_IA_64_DIR32LSB and HAVE_R_IA64_DIR32LSB.
00071 */
00072 #ifndef R_MIPS_64
00073 #define R_MIPS_64 0
00074 #endif
00075 #ifndef R_MIPS_32
00076 #define R_MIPS_32 0
00077 #endif
00078 #ifndef R_MIPS_SCN_DISP
00079 #define R_MIPS_SCN_DISP 0
00080 #endif
00081 
00082 /* R_IA_64_DIR32LSB came before the now-standard R_IA64_DIR32LSB
00083    (etc) was defined.  This now deals with either form,
00084    preferring the new form if available.  */
00085 #ifdef HAVE_R_IA64_DIR32LSB
00086 #define DWARF_PRO_R_IA64_DIR32LSB R_IA64_DIR32LSB
00087 #define DWARF_PRO_R_IA64_DIR64LSB R_IA64_DIR64LSB
00088 #define DWARF_PRO_R_IA64_SEGREL64LSB R_IA64_SEGREL64LSB
00089 #define DWARF_PRO_R_IA64_SEGREL32LSB R_IA64_SEGREL32LSB
00090 #endif
00091 #if defined(HAVE_R_IA_64_DIR32LSB) && !defined(HAVE_R_IA64_DIR32LSB)
00092 #define DWARF_PRO_R_IA64_DIR32LSB R_IA_64_DIR32LSB
00093 #define DWARF_PRO_R_IA64_DIR64LSB R_IA_64_DIR64LSB
00094 #define DWARF_PRO_R_IA64_SEGREL64LSB R_IA_64_SEGREL64LSB
00095 #define DWARF_PRO_R_IA64_SEGREL32LSB R_IA_64_SEGREL32LSB
00096 #endif
00097 #if !defined(HAVE_R_IA_64_DIR32LSB) && !defined(HAVE_R_IA64_DIR32LSB)
00098 #define DWARF_PRO_R_IA64_DIR32LSB 0
00099 #define DWARF_PRO_R_IA64_DIR64LSB 0
00100 #define DWARF_PRO_R_IA64_SEGREL64LSB 0
00101 #define DWARF_PRO_R_IA64_SEGREL32LSB 0
00102 #endif
00103 
00104 
00105 
00106 #ifdef HAVE_SYS_IA64_ELF_H
00107 #define Get_REL64_isa(dbg)         (ISA_IA64(dbg) ? \
00108         DWARF_PRO_R_IA64_DIR64LSB : R_MIPS_64)
00109 #define Get_REL32_isa(dbg)         (ISA_IA64(dbg) ? \
00110         DWARF_PRO_R_IA64_DIR32LSB : R_MIPS_32)
00111 
00112 
00113 /* ia64 uses 32bit dwarf offsets for sections */
00114 #define Get_REL_SEGREL_isa(dbg)    (ISA_IA64(dbg) ? \
00115         DWARF_PRO_R_IA64_SEGREL32LSB : R_MIPS_SCN_DISP)
00116 #else /* HAVE_SYS_IA64_ELF_H */
00117 
00118 #if !defined(linux) && !defined(__BEOS__)
00119 #define Get_REL64_isa(dbg)         (R_MIPS_64)
00120 #define Get_REL32_isa(dbg)         (R_MIPS_32)
00121 #define Get_REL_SEGREL_isa(dbg)    (R_MIPS_SCN_DISP)
00122 #else
00123 #define Get_REL64_isa(dbg)  (DWARF_PRO_R_IA64_DIR64LSB)
00124 #define Get_REL32_isa(dbg)  (DWARF_PRO_R_IA64_DIR32LSB)
00125 #define Get_REL_SEGREL_isa(dbg) (DWARF_PRO_R_IA64_SEGREL64LSB)
00126 #endif
00127 
00128 #endif /* HAVE_SYS_IA64_ELF_H */
osprey/libdwarf/libdwarf/pro_util.h
