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[LD][AARCH64]Add BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC Support.
authorRenlin Li <renlin.li@arm.com>
Fri, 2 Oct 2015 14:54:40 +0000 (15:54 +0100)
committerRenlin Li <renlin.li@arm.com>
Fri, 2 Oct 2015 16:56:07 +0000 (17:56 +0100)
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.

bfd/ChangeLog patch | blob | blame | history
bfd/elfnn-aarch64.c patch | blob | blame | history
bfd/elfxx-aarch64.c patch | blob | blame | history
ld/testsuite/ChangeLog patch | blob | blame | history
ld/testsuite/ld-aarch64/aarch64-elf.exp patch | blob | blame | history
ld/testsuite/ld-aarch64/emit-relocs-301.d [new file with mode: 0644] patch | blob
ld/testsuite/ld-aarch64/emit-relocs-301.s [new file with mode: 0644] patch | blob

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 2f7e58428a7f038386a36b1a68a283d1d0cfc54d..c31c85569f10b9062dd15116c8b1e3cd25b58ed6 100644 (file)
--- 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
+       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.
diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c
index 49d6eeee011a46271c4657fe85fb11d22b691ceb..1747ae4d5c48d3fbd5fcb1237037c9390ed6069b 100644 (file)
--- 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 ac0ec81533a5d6e73af6b827764c1f66ea3b0c05..5fe1b07c7359d703a121561c8212b920af149170 100644 (file)
--- 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 b5981b4bbfe3357c0acaab5bd806b37099f8ccca..a6d4a3b158cc00facc0b01b992feb8b6cfac7989 100644 (file)
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+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.
diff --git a/ld/testsuite/ld-aarch64/aarch64-elf.exp b/ld/testsuite/ld-aarch64/aarch64-elf.exp
index c7d9fbadc65b5d4f285052a19cd0385975b508db..4c41bc9bf22dae63881858a3f7a4bdb810aa4b1c 100644 (file)
--- 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 (file)
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 (file)
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_ - .
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