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[binutils-gdb] [LD][AARCH64]Add BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC Support.
- From: Renlin Li <renlin at sourceware dot org>
- To: bfd-cvs at sourceware dot org
- Date: 2 Oct 2015 17:05:28 -0000
- Subject: [binutils-gdb] [LD][AARCH64]Add BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC Support.
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=dc8008f508bb39ccbca49ea71a7d5c70571c4685
commit dc8008f508bb39ccbca49ea71a7d5c70571c4685
Author: Renlin Li <renlin.li@arm.com>
Date: Fri Oct 2 15:54:40 2015 +0100
[LD][AARCH64]Add BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC Support.
bfd/
2015-10-02 Renlin Li <renlin.li@arm.com>
* elfnn-aarch64.c (aarch64_reloc_got_type): Add
BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC support.
(elfNN_aarch64_final_link_relocate): Likewise.
(elfNN_aarch64_gc_sweep_hook): Likewise.
(elfNN_aarch64_check_relocs): Likewise.
* elfxx-aarch64.c (_bfd_aarch64_elf_put_addend): Likewise.
(_bfd_aarch64_elf_resolve_relocation): Likewise.
ld/testsuite/
2015-10-02 Renlin Li <renlin.li@arm.com>
* ld-aarch64/aarch64-elf.exp: Run new test.
* ld-aarch64/emit-relocs-301.d: New.
* ld-aarch64/emit-relocs-301.s: New.
Diff:
---
bfd/ChangeLog | 10 ++++++++++
bfd/elfnn-aarch64.c | 7 +++++++
bfd/elfxx-aarch64.c | 2 ++
ld/testsuite/ChangeLog | 6 ++++++
ld/testsuite/ld-aarch64/aarch64-elf.exp | 3 ++-
ld/testsuite/ld-aarch64/emit-relocs-301.d | 22 ++++++++++++++++++++++
ld/testsuite/ld-aarch64/emit-relocs-301.s | 12 ++++++++++++
7 files changed, 61 insertions(+), 1 deletion(-)
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 2f7e584..c31c855 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,5 +1,15 @@
2015-10-02 Renlin Li <renlin.li@arm.com>
+ * elfnn-aarch64.c (aarch64_reloc_got_type): Add
+ BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC support.
+ (elfNN_aarch64_final_link_relocate): Likewise.
+ (elfNN_aarch64_gc_sweep_hook): Likewise.
+ (elfNN_aarch64_check_relocs): Likewise.
+ * elfxx-aarch64.c (_bfd_aarch64_elf_put_addend): Likewise.
+ (_bfd_aarch64_elf_resolve_relocation): Likewise.
+
+2015-10-02 Renlin Li <renlin.li@arm.com>
+
* reloc.c (BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC): New.
* elfnn-aarch64.c (elfNN_aarch64_howto_table): New entry
MOVW_GOTOFF_G0_NC.
diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c
index 49d6eee..1747ae4 100644
--- a/bfd/elfnn-aarch64.c
+++ b/bfd/elfnn-aarch64.c
@@ -4447,6 +4447,7 @@ aarch64_reloc_got_type (bfd_reloc_code_real_type r_type)
case BFD_RELOC_AARCH64_LD64_GOTOFF_LO15:
case BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15:
case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC:
+ case BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC:
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
return GOT_NORMAL;
@@ -4995,6 +4996,7 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto,
case BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14:
case BFD_RELOC_AARCH64_LD32_GOT_LO12_NC:
case BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15:
+ case BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC:
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
case BFD_RELOC_AARCH64_LD64_GOTOFF_LO15:
case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC:
@@ -5064,6 +5066,7 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto,
addend = (globals->root.sgot->output_section->vma
+ globals->root.sgot->output_offset);
break;
+ case BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC:
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
case BFD_RELOC_AARCH64_LD64_GOTOFF_LO15:
value = (value - globals->root.sgot->output_section->vma
@@ -5350,6 +5353,7 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto,
break;
case BFD_RELOC_AARCH64_LD64_GOTOFF_LO15:
+ case BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC:
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
if (h != NULL)
value = aarch64_calculate_got_entry_vma (h, globals, info, value,
@@ -6498,6 +6502,7 @@ elfNN_aarch64_gc_sweep_hook (bfd *abfd,
case BFD_RELOC_AARCH64_LD64_GOTOFF_LO15:
case BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15:
case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC:
+ case BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC:
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
case BFD_RELOC_AARCH64_TLSDESC_ADD_LO12_NC:
case BFD_RELOC_AARCH64_TLSDESC_ADR_PAGE21:
@@ -6854,6 +6859,7 @@ elfNN_aarch64_check_relocs (bfd *abfd, struct bfd_link_info *info,
case BFD_RELOC_AARCH64_LD64_GOTOFF_LO15:
case BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15:
case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC:
+ case BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC:
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
case BFD_RELOC_AARCH64_NN:
if (htab->root.dynobj == NULL)
@@ -6969,6 +6975,7 @@ elfNN_aarch64_check_relocs (bfd *abfd, struct bfd_link_info *info,
case BFD_RELOC_AARCH64_LD64_GOTOFF_LO15:
case BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15:
case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC:
+ case BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC:
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
case BFD_RELOC_AARCH64_TLSDESC_ADD_LO12_NC:
case BFD_RELOC_AARCH64_TLSDESC_ADR_PAGE21:
diff --git a/bfd/elfxx-aarch64.c b/bfd/elfxx-aarch64.c
index ac0ec81..5fe1b07 100644
--- a/bfd/elfxx-aarch64.c
+++ b/bfd/elfxx-aarch64.c
@@ -331,6 +331,7 @@ _bfd_aarch64_elf_put_addend (bfd *abfd,
case BFD_RELOC_AARCH64_MOVW_G2:
case BFD_RELOC_AARCH64_MOVW_G2_NC:
case BFD_RELOC_AARCH64_MOVW_G3:
+ case BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC:
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0_NC:
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1_NC:
@@ -417,6 +418,7 @@ _bfd_aarch64_elf_resolve_relocation (bfd_reloc_code_real_type r_type,
case BFD_RELOC_AARCH64_MOVW_G2_NC:
case BFD_RELOC_AARCH64_MOVW_G2_S:
case BFD_RELOC_AARCH64_MOVW_G3:
+ case BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC:
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
case BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_HI12:
case BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12:
diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index b5981b4..a6d4a3b 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,5 +1,11 @@
2015-10-02 Renlin Li <renlin.li@arm.com>
+ * ld-aarch64/aarch64-elf.exp: Run new test.
+ * ld-aarch64/emit-relocs-301.d: New.
+ * ld-aarch64/emit-relocs-301.s: New.
+
+2015-10-02 Renlin Li <renlin.li@arm.com>
+
* ld-aarch64/emit-relocs-302.d: New.
* ld-aarch64/emit-relocs-302.s: New.
* ld-aarch64/aarch64-elf.exp: Run the test.
diff --git a/ld/testsuite/ld-aarch64/aarch64-elf.exp b/ld/testsuite/ld-aarch64/aarch64-elf.exp
index c7d9fba..4c41bc9 100644
--- a/ld/testsuite/ld-aarch64/aarch64-elf.exp
+++ b/ld/testsuite/ld-aarch64/aarch64-elf.exp
@@ -116,7 +116,8 @@ run_dump_test "emit-relocs-286"
run_dump_test "emit-relocs-286-bad"
# 287-298 are not done yet
run_dump_test "emit-relocs-299"
-# 300-301 are not done yet
+# 300 is not done yet
+run_dump_test "emit-relocs-301"
run_dump_test "emit-relocs-302"
# 303-308 are not done yet
run_dump_test "emit-relocs-309-up"
diff --git a/ld/testsuite/ld-aarch64/emit-relocs-301.d b/ld/testsuite/ld-aarch64/emit-relocs-301.d
new file mode 100644
index 0000000..305a9f8
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/emit-relocs-301.d
@@ -0,0 +1,22 @@
+#source: emit-relocs-301.s
+#ld: -T relocs.ld --defsym globala=0x11000 --defsym globalb=0x45000 --defsym globalc=0x1234 -e0 --emit-relocs
+#objdump: -dr
+
+.*: +file format .*
+
+Disassembly of section .text:
+
+0000000000010000 <\.text>:
+ 10000: 580000e1 ldr x1, 1001c <\.text\+0x1c>
+ 10004: 100000c2 adr x2, 1001c <\.text\+0x1c>
+ 10008: 8b010041 add x1, x2, x1
+ 1000c: f2800200 movk x0, #0x10
+ 1000c: R_AARCH64_MOVW_GOTOFF_G0_NC globala
+ 10010: f2800300 movk x0, #0x18
+ 10010: R_AARCH64_MOVW_GOTOFF_G0_NC globalb
+ 10014: f2800100 movk x0, #0x8
+ 10014: R_AARCH64_MOVW_GOTOFF_G0_NC globalc
+ 10018: f8606820 ldr x0, \[x1,x0\]
+ 1001c: 0000ffe4 \.word 0x0000ffe4
+ 1001c: R_AARCH64_PREL64 _GLOBAL_OFFSET_TABLE_
+ 10020: 00000000 \.word 0x00000000
diff --git a/ld/testsuite/ld-aarch64/emit-relocs-301.s b/ld/testsuite/ld-aarch64/emit-relocs-301.s
new file mode 100644
index 0000000..d17d4ce
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/emit-relocs-301.s
@@ -0,0 +1,12 @@
+ .text
+ ldr x1, .Lgot
+ adr x2, .Lgot
+ add x1, x2, x1
+
+ movk x0, #:gotoff_g0_nc:globala
+ movk x0, #:gotoff_g0_nc:globalb
+ movk x0, #:gotoff_g0_nc:globalc
+ ldr x0, [x1, x0]
+
+.Lgot:
+ .dword _GLOBAL_OFFSET_TABLE_ - .