svn commit: r278580 - head/contrib/elftoolchain/libdwarf

[Ed Maste]

Author: emaste
Date: Wed Feb 11 14:59:35 2015
New Revision: 278580
URL: https://svnweb.freebsd.org/changeset/base/278580

Log:
  libdwarf: Add aarch64 relocation support
  
  Reviewed by:	andrew, rpaulo
  Sponsored by:	The FreeBSD Foundation
  Differential Revision:	https://reviews.freebsd.org/D1817

Modified:
  head/contrib/elftoolchain/libdwarf/libdwarf.h
  head/contrib/elftoolchain/libdwarf/libdwarf_reloc.c

Modified: head/contrib/elftoolchain/libdwarf/libdwarf.h
==============================================================================
--- head/contrib/elftoolchain/libdwarf/libdwarf.h	Wed Feb 11 12:08:40 2015	(r278579)
+++ head/contrib/elftoolchain/libdwarf/libdwarf.h	Wed Feb 11 14:59:35 2015	(r278580)
@@ -439,6 +439,7 @@ enum Dwarf_ISA {
 	DW_ISA_SPARC,
 	DW_ISA_X86,
 	DW_ISA_X86_64,
+	DW_ISA_AARCH64,
 	DW_ISA_MAX
 };
 

Modified: head/contrib/elftoolchain/libdwarf/libdwarf_reloc.c
==============================================================================
--- head/contrib/elftoolchain/libdwarf/libdwarf_reloc.c	Wed Feb 11 12:08:40 2015	(r278579)
+++ head/contrib/elftoolchain/libdwarf/libdwarf_reloc.c	Wed Feb 11 14:59:35 2015	(r278580)
@@ -35,6 +35,8 @@ _dwarf_get_reloc_type(Dwarf_P_Debug dbg,
 	assert(dbg != NULL);
 
 	switch (dbg->dbgp_isa) {
+	case DW_ISA_AARCH64:
+		return (is64 ? R_AARCH64_ABS64 : R_AARCH64_ABS32);
 	case DW_ISA_X86:
 		return (R_386_32);
 	case DW_ISA_X86_64:
@@ -62,6 +64,12 @@ _dwarf_get_reloc_size(Dwarf_Debug dbg, D
 	switch (dbg->dbg_machine) {
 	case EM_NONE:
 		break;
+	case EM_AARCH64:
+		if (rel_type == R_AARCH64_ABS32)
+			return (4);
+		else if (rel_type == R_AARCH64_ABS64)
+			return (8);
+		break;
 	case EM_ARM:
 		if (rel_type == R_ARM_ABS32)
 			return (4);