From 738d07cfc5e98f5ee607466cbbff2ccf43f911b0 Mon Sep 17 00:00:00 2001
From: br <br@FreeBSD.org>
Date: Wed, 25 May 2016 11:58:55 +0000
Subject: Add relocation support for RISC-V.

Reviewed by:	emaste
Sponsored by:	DARPA, AFRL
Sponsored by:	HEIF5
Differential Revision:	https://reviews.freebsd.org/D6559
---
 contrib/elftoolchain/libdwarf/libdwarf.h       | 1 +
 contrib/elftoolchain/libdwarf/libdwarf_reloc.c | 8 ++++++++
 2 files changed, 9 insertions(+)

(limited to 'contrib/elftoolchain')

diff --git a/contrib/elftoolchain/libdwarf/libdwarf.h b/contrib/elftoolchain/libdwarf/libdwarf.h
index 02f0ce5..c18bf20 100644
--- a/contrib/elftoolchain/libdwarf/libdwarf.h
+++ b/contrib/elftoolchain/libdwarf/libdwarf.h
@@ -440,6 +440,7 @@ enum Dwarf_ISA {
 	DW_ISA_X86,
 	DW_ISA_X86_64,
 	DW_ISA_AARCH64,
+	DW_ISA_RISCV,
 	DW_ISA_MAX
 };
 
diff --git a/contrib/elftoolchain/libdwarf/libdwarf_reloc.c b/contrib/elftoolchain/libdwarf/libdwarf_reloc.c
index 9b28f11..19325c1 100644
--- a/contrib/elftoolchain/libdwarf/libdwarf_reloc.c
+++ b/contrib/elftoolchain/libdwarf/libdwarf_reloc.c
@@ -54,6 +54,8 @@ _dwarf_get_reloc_type(Dwarf_P_Debug dbg, int is64)
 		return (R_ARM_ABS32);
 	case DW_ISA_MIPS:
 		return (is64 ? R_MIPS_64 : R_MIPS_32);
+	case DW_ISA_RISCV:
+		return (is64 ? R_RISCV_64 : R_RISCV_32);
 	case DW_ISA_IA64:
 		return (is64 ? R_IA_64_DIR64LSB : R_IA_64_DIR32LSB);
 	default:
@@ -106,6 +108,12 @@ _dwarf_get_reloc_size(Dwarf_Debug dbg, Dwarf_Unsigned rel_type)
 		else if (rel_type == R_MIPS_64)
 			return (8);
 		break;
+	case EM_RISCV:
+		if (rel_type == R_RISCV_32)
+			return (4);
+		else if (rel_type == R_RISCV_64)
+			return (8);
+		break;
 	case EM_IA_64:
 		if (rel_type == R_IA_64_SECREL32LSB)
 			return (4);
-- 
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