From b647bef632332526a6948ce50326374fd86d00d9 Mon Sep 17 00:00:00 2001
From: DJ Delorie <dj@redhat.com>
Date: Fri, 24 Feb 2006 22:10:35 +0000
Subject: [PATCH] [include/elf] * m32c.h: Add relax relocs.
[cpu]
* m32c.cpu (RL_TYPE): New attribute, with macros.
(Lab-8-24): Add RELAX.
(unary-insn-defn-g, binary-arith-imm-dst-defn,
binary-arith-imm4-dst-defn): Add 1ADDR attribute.
(binary-arith-src-dst-defn): Add 2ADDR attribute.
(jcnd16-5, jcnd16, jcnd32, jmp16.s, jmp16.b, jmp16.w, jmp16.a,
jmp32.s, jmp32.b, jmp32.w, jmp32.a, jsr16.w, jsr16.a): Add JUMP
attribute.
(jsri16, jsri32): Add 1ADDR attribute.
(jsr32.w, jsr32.a): Add JUMP attribute.
[opcodes]
* m32c-desc.c: Regenerate with linker relaxation attributes.
* m32c-desc.h: Likewise.
* m32c-dis.c: Likewise.
* m32c-opc.c: Likewise.
[gas]
* config/tc-m32c.h (md_apply_fix): Define to m32c_apply_fix.
(tc_gen_reloc): Don't define.
* config/tc-m32c.c (rl_for, relaxable): New convenience macros.
(OPTION_LINKRELAX): New.
(md_longopts): Add it.
(m32c_relax): New.
(md_parse_options): Set it.
(md_assemble): Emit relaxation relocs as needed.
(md_convert_frag): Emit relaxation relocs as needed.
(md_cgen_lookup_reloc): Add LAB_8_8 and LAB_8_16.
(m32c_apply_fix): New.
(tc_gen_reloc): New.
(m32c_force_relocation): Force out jump relocs when relaxing.
(m32c_fix_adjustable): Return false if relaxing.
[bfd]
* elf32-m32c.c (m32c_elf_howto_table): Add relaxation relocs.
(m32c_elf_relocate_section): Don't relocate them.
(compare_reloc): New.
(relax_reloc): Remove.
(m32c_offset_for_reloc): New.
(m16c_addr_encodings): New.
(m16c_jmpaddr_encodings): New.
(m32c_addr_encodings): New.
(m32c_elf_relax_section): Relax jumps and address displacements.
(m32c_elf_relax_delete_bytes): Adjust for internal syms. Fix up
short jumps.
* reloc.c: Add m32c relax relocs.
* libbfd.h: Regenerate.
---
include/elf/ChangeLog | 4 ++++
include/elf/m32c.h | 8 ++++++++
2 files changed, 12 insertions(+)
diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog
index bf759f26a..9977e9fc8 100644
--- a/include/elf/ChangeLog
+++ b/include/elf/ChangeLog
@@ -1,3 +1,7 @@
+2006-02-24 DJ Delorie <dj@redhat.com>
+
+ * m32c.h: Add relax relocs.
+
2006-02-17 Shrirang Khisti <shrirangk@kpitcummins.com>
Anil Paranjape <anilp1@kpitcummins.com>
Shilin Shakti <shilins@kpitcummins.com>
diff --git a/include/elf/m32c.h b/include/elf/m32c.h
index 805417333..143773bed 100644
--- a/include/elf/m32c.h
+++ b/include/elf/m32c.h
@@ -40,6 +40,14 @@ along with this program; if not, write to the Free Software Foundation, Inc.,
/* Bits 16..31 of an address, for LDE's A1A0 etc. */
RELOC_NUMBER (R_M32C_HI16, 9)
+ /* These are relocs we need when relaxing. */
+ /* Marks various jump opcodes. */
+ RELOC_NUMBER (R_M32C_RL_JUMP, 10)
+ /* Marks standard one-address form. */
+ RELOC_NUMBER (R_M32C_RL_1ADDR, 11)
+ /* Marks standard two-address form. */
+ RELOC_NUMBER (R_M32C_RL_2ADDR, 12)
+
END_RELOC_NUMBERS (R_M32C_max)
#define EF_M32C_CPU_M16C 0x00000075 /* default */