[PATCH v2 3/5][LoongArch] Binutils support.

[Paul Hua]

>From 9d9febbf7f6b3dbcf084e37b83d21cba8001b3ac Mon Sep 17 00:00:00 2001
From: Chenghua Xu <xuchenghua@loongson.cn>
Date: Sun, 19 Sep 2021 09:42:59 +0800
Subject: [PATCH 3/5] binutils: LoongArch Binutils Port.

---
 binutils/readelf.c                          | 10 ++++++++++
 binutils/testsuite/binutils-all/objdump.exp |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/binutils/readelf.c b/binutils/readelf.c
index 4a6fcff3cc1..031bcd3711e 100644
--- a/binutils/readelf.c
+++ b/binutils/readelf.c
@@ -162,6 +162,7 @@
 #include "elf/xstormy16.h"
 #include "elf/xtensa.h"
 #include "elf/z80.h"
+#include "elf/loongarch.h"

 #include "getopt.h"
 #include "libiberty.h"
@@ -1653,6 +1654,11 @@ dump_relocations (Filedata *          filedata,
  case EM_Z80:
    rtype = elf_z80_reloc_type (type);
    break;
+
+ case EM_LOONGARCH:
+   rtype = elf_loongarch_reloc_type (type);
+   break;
+
  }

       if (rtype == NULL)
@@ -13673,6 +13679,8 @@ is_32bit_abs_reloc (Filedata * filedata,
unsigned int reloc_type)
       return reloc_type == 2; /* R_IQ2000_32.  */
     case EM_LATTICEMICO32:
       return reloc_type == 3; /* R_LM32_32.  */
+    case EM_LOONGARCH:
+      return reloc_type == 1; /* R_LARCH_32. */
     case EM_M32C_OLD:
     case EM_M32C:
       return reloc_type == 3; /* R_M32C_32.  */
@@ -13890,6 +13898,8 @@ is_64bit_abs_reloc (Filedata * filedata,
unsigned int reloc_type)
     case EM_IA_64:
       return (reloc_type == 0x26    /* R_IA64_DIR64MSB.  */
        || reloc_type == 0x27 /* R_IA64_DIR64LSB.  */);
+    case EM_LOONGARCH:
+      return reloc_type == 2;      /* R_LARCH_64 */
     case EM_PARISC:
       return reloc_type == 80; /* R_PARISC_DIR64.  */
     case EM_PPC64:
diff --git a/binutils/testsuite/binutils-all/objdump.exp
b/binutils/testsuite/binutils-all/objdump.exp
index 0b797f9e9b4..2e23aca0d47 100644
--- a/binutils/testsuite/binutils-all/objdump.exp
+++ b/binutils/testsuite/binutils-all/objdump.exp
@@ -40,7 +40,7 @@ lappend cpus_expected m16c m32c m32r m68hc11 m68hc12
m68k MCore mep c5 h1 MicroB
 lappend cpus_expected mips mn10200 mn10300 ms1 msp MSP430 nds32 n1h_v3 ns32k
 lappend cpus_expected or1k or1knd pj powerpc pyramid riscv romp
rs6000 s390 sh sparc
 lappend cpus_expected tic54x tilegx tms320c30 tms320c4x tms320c54x
-lappend cpus_expected v850 vax x86-64 xscale xtensa z8k z8001 z8002
+lappend cpus_expected v850 vax x86-64 xscale xtensa z8k z8001 z8002 Loongarch64

 # Make sure the target CPU shows up in the list.
 lappend cpus_expected ${target_cpu}
-- 
2.27.0