Imported Upstream version 20120410upstream/20120410upstream

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 */
+
+