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[binutils-gdb] [LD][AARCH64]Add BFD_RELOC_AARCH64_MOVW_GOTOFF_G1 Support.
- From: Renlin Li <renlin at sourceware dot org>
- To: bfd-cvs at sourceware dot org
- Date: 2 Oct 2015 17:05:18 -0000
- Subject: [binutils-gdb] [LD][AARCH64]Add BFD_RELOC_AARCH64_MOVW_GOTOFF_G1 Support.
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=74a1bfe1d6e7e85fffad518f50575a44630d9293
commit 74a1bfe1d6e7e85fffad518f50575a44630d9293
Author: Renlin Li <renlin.li@arm.com>
Date: Fri Oct 2 15:29:41 2015 +0100
[LD][AARCH64]Add BFD_RELOC_AARCH64_MOVW_GOTOFF_G1 Support.
bfd/
2015-10-02 Renlin Li <renlin.li@arm.com>
* elfnn-aarch64.c (aarch64_reloc_got_type): Add support
for BFD_RELOC_AARCH64_MOVW_GOTOFF_G1.
(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
(elfNN_aarch64_final_link_relocate): Calculate offset within GOT.
ld/testsuite/
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 new test.
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 | 4 +++-
ld/testsuite/ld-aarch64/emit-relocs-302.d | 22 ++++++++++++++++++++++
ld/testsuite/ld-aarch64/emit-relocs-302.s | 12 ++++++++++++
7 files changed, 62 insertions(+), 1 deletion(-)
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index c3b0cc9..f92ef66 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,13 @@
+2015-10-02 Renlin Li <renlin.li@arm.com>
+
+ * elfnn-aarch64.c (aarch64_reloc_got_type): Add support
+ for BFD_RELOC_AARCH64_MOVW_GOTOFF_G1.
+ (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
+ (elfNN_aarch64_final_link_relocate): Likewise
+
2015-010-02 Renlin Li <renlin.li@arm.com>
* reloc.c (BFD_RELOC_AARCH64_MOVW_GOTOFF_G1): New.
diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c
index 7349ad7..715eff6 100644
--- a/bfd/elfnn-aarch64.c
+++ b/bfd/elfnn-aarch64.c
@@ -4432,6 +4432,7 @@ 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_G1:
return GOT_NORMAL;
case BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC:
@@ -4979,6 +4980,7 @@ 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_G1:
case BFD_RELOC_AARCH64_LD64_GOTOFF_LO15:
case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC:
base_got = globals->root.sgot;
@@ -5047,6 +5049,7 @@ 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_G1:
case BFD_RELOC_AARCH64_LD64_GOTOFF_LO15:
value = (value - globals->root.sgot->output_section->vma
- globals->root.sgot->output_offset);
@@ -5332,6 +5335,7 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto,
break;
case BFD_RELOC_AARCH64_LD64_GOTOFF_LO15:
+ case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
if (h != NULL)
value = aarch64_calculate_got_entry_vma (h, globals, info, value,
output_bfd,
@@ -6479,6 +6483,7 @@ 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_G1:
case BFD_RELOC_AARCH64_TLSDESC_ADD_LO12_NC:
case BFD_RELOC_AARCH64_TLSDESC_ADR_PAGE21:
case BFD_RELOC_AARCH64_TLSDESC_ADR_PREL21:
@@ -6834,6 +6839,7 @@ 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_G1:
case BFD_RELOC_AARCH64_NN:
if (htab->root.dynobj == NULL)
htab->root.dynobj = abfd;
@@ -6948,6 +6954,7 @@ 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_G1:
case BFD_RELOC_AARCH64_TLSDESC_ADD_LO12_NC:
case BFD_RELOC_AARCH64_TLSDESC_ADR_PAGE21:
case BFD_RELOC_AARCH64_TLSDESC_ADR_PREL21:
diff --git a/bfd/elfxx-aarch64.c b/bfd/elfxx-aarch64.c
index c831f60..ac0ec81 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_G1:
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0_NC:
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1_NC:
case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0_NC:
@@ -416,6 +417,7 @@ _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_G1:
case BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_HI12:
case BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12:
case BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12_NC:
diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index d1446a7..b5981b4 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,5 +1,11 @@
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.
+
+2015-10-02 Renlin Li <renlin.li@arm.com>
+
* ld-aarch64/emit-relocs-310.d: New.
* ld-aarch64/emit-relocs-310.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 1f68c17..c7d9fba 100644
--- a/ld/testsuite/ld-aarch64/aarch64-elf.exp
+++ b/ld/testsuite/ld-aarch64/aarch64-elf.exp
@@ -116,7 +116,9 @@ 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"
-# 300-308 are not done yet
+# 300-301 are not done yet
+run_dump_test "emit-relocs-302"
+# 303-308 are not done yet
run_dump_test "emit-relocs-309-up"
run_dump_test "emit-relocs-309-low"
run_dump_test "emit-relocs-309-up-bad"
diff --git a/ld/testsuite/ld-aarch64/emit-relocs-302.d b/ld/testsuite/ld-aarch64/emit-relocs-302.d
new file mode 100644
index 0000000..40ad22b
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/emit-relocs-302.d
@@ -0,0 +1,22 @@
+#source: emit-relocs-302.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: d2a00000 movz x0, #0x0, lsl #16
+ 1000c: R_AARCH64_MOVW_GOTOFF_G1 globala
+ 10010: d2a00000 movz x0, #0x0, lsl #16
+ 10010: R_AARCH64_MOVW_GOTOFF_G1 globalb
+ 10014: d2a00000 movz x0, #0x0, lsl #16
+ 10014: R_AARCH64_MOVW_GOTOFF_G1 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-302.s b/ld/testsuite/ld-aarch64/emit-relocs-302.s
new file mode 100644
index 0000000..b2fd407
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/emit-relocs-302.s
@@ -0,0 +1,12 @@
+ .text
+ ldr x1, .Lgot
+ adr x2, .Lgot
+ add x1, x2, x1
+
+ movz x0, #:gotoff_g1:globala
+ movz x0, #:gotoff_g1:globalb
+ movz x0, #:gotoff_g1:globalc
+ ldr x0, [x1, x0]
+
+.Lgot:
+ .dword _GLOBAL_OFFSET_TABLE_ - .