From e30d1fa1bfb1ff2e225cfac9226c357f2cf07a26 Mon Sep 17 00:00:00 2001 From: Szabolcs Nagy Date: Wed, 28 Nov 2018 19:35:04 +0000 Subject: [PATCH] Add R_AARCH64_P32_MOVW_PREL_* ELF32 relocs These ilp32 relocations were missing for some reason. bfd/ChangeLog: * elfnn-aarch64.c: Enable MOVW_PREL relocs for ELF32. include/ChangeLog: * elf/aarch64.h (R_AARCH64_P32_MOVW_PREL_G0): Define. (R_AARCH64_P32_MOVW_PREL_G0_NC): Define. (R_AARCH64_P32_MOVW_PREL_G1): Define. ld/ChangeLog: * testsuite/ld-aarch64/aarch64-elf.exp: Add emit-relocs-22 and -23. * testsuite/ld-aarch64/emit-relocs-22.d: New test. * testsuite/ld-aarch64/emit-relocs-22.s: New test. * testsuite/ld-aarch64/emit-relocs-23.d: New test. * testsuite/ld-aarch64/emit-relocs-23.s: New test. --- bfd/ChangeLog | 4 ++++ bfd/elfnn-aarch64.c | 6 +++--- include/ChangeLog | 6 ++++++ include/elf/aarch64.h | 4 ++++ ld/ChangeLog | 8 ++++++++ ld/testsuite/ld-aarch64/aarch64-elf.exp | 2 ++ ld/testsuite/ld-aarch64/emit-relocs-22.d | 15 +++++++++++++++ ld/testsuite/ld-aarch64/emit-relocs-22.s | 3 +++ ld/testsuite/ld-aarch64/emit-relocs-23.d | 15 +++++++++++++++ ld/testsuite/ld-aarch64/emit-relocs-23.s | 3 +++ 10 files changed, 63 insertions(+), 3 deletions(-) create mode 100644 ld/testsuite/ld-aarch64/emit-relocs-22.d create mode 100644 ld/testsuite/ld-aarch64/emit-relocs-22.s create mode 100644 ld/testsuite/ld-aarch64/emit-relocs-23.d create mode 100644 ld/testsuite/ld-aarch64/emit-relocs-23.s diff --git a/bfd/ChangeLog b/bfd/ChangeLog index d6a2131..fa07d3e 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,7 @@ +2019-06-14 Szabolcs Nagy + + * elfnn-aarch64.c: Enable MOVW_PREL relocs for ELF32. + 2019-06-14 Alan Modra * Makefile.in: Regenerate. diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c index e33a5c6..ed64e82 100644 --- a/bfd/elfnn-aarch64.c +++ b/bfd/elfnn-aarch64.c @@ -717,7 +717,7 @@ static reloc_howto_type elfNN_aarch64_howto_table[] = PC relative address inline. */ /* MOV[NZ]: ((S+A-P) >> 0) & 0xffff */ - HOWTO64 (AARCH64_R (MOVW_PREL_G0), /* type */ + HOWTO (AARCH64_R (MOVW_PREL_G0), /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 17, /* bitsize */ @@ -732,7 +732,7 @@ static reloc_howto_type elfNN_aarch64_howto_table[] = TRUE), /* pcrel_offset */ /* MOVK: ((S+A-P) >> 0) & 0xffff [no overflow check] */ - HOWTO64 (AARCH64_R (MOVW_PREL_G0_NC), /* type */ + HOWTO (AARCH64_R (MOVW_PREL_G0_NC), /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ @@ -747,7 +747,7 @@ static reloc_howto_type elfNN_aarch64_howto_table[] = TRUE), /* pcrel_offset */ /* MOV[NZ]: ((S+A-P) >> 16) & 0xffff */ - HOWTO64 (AARCH64_R (MOVW_PREL_G1), /* type */ + HOWTO (AARCH64_R (MOVW_PREL_G1), /* type */ 16, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 17, /* bitsize */ diff --git a/include/ChangeLog b/include/ChangeLog index f84498b..8169b6a 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,3 +1,9 @@ +2019-06-14 Szabolcs Nagy + + * elf/aarch64.h (R_AARCH64_P32_MOVW_PREL_G0): Define. + (R_AARCH64_P32_MOVW_PREL_G0_NC): Define. + (R_AARCH64_P32_MOVW_PREL_G1): Define. + 2019-06-03 Nick Alcock * ctf.h (ctf_enum.cte_value): Fix type to int32_t. diff --git a/include/elf/aarch64.h b/include/elf/aarch64.h index 721378a..16abd86 100644 --- a/include/elf/aarch64.h +++ b/include/elf/aarch64.h @@ -128,6 +128,10 @@ RELOC_NUMBER (R_AARCH64_P32_JUMP26, 20) /* BL: ((S+A-P) >> 2) & 0x3ffffff. */ RELOC_NUMBER (R_AARCH64_P32_CALL26, 21) +/* Group relocations to create a 16 or 32 bit PC-relative offset inline. */ +RELOC_NUMBER (R_AARCH64_P32_MOVW_PREL_G0, 22) +RELOC_NUMBER (R_AARCH64_P32_MOVW_PREL_G0_NC, 23) +RELOC_NUMBER (R_AARCH64_P32_MOVW_PREL_G1, 24) RELOC_NUMBER (R_AARCH64_P32_GOT_LD_PREL19, 25) RELOC_NUMBER (R_AARCH64_P32_ADR_GOT_PAGE, 26) diff --git a/ld/ChangeLog b/ld/ChangeLog index 9f38cc2..e5c85e1 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,11 @@ +2019-06-14 Szabolcs Nagy + + * testsuite/ld-aarch64/aarch64-elf.exp: Add emit-relocs-22 and -23. + * testsuite/ld-aarch64/emit-relocs-22.d: New test. + * testsuite/ld-aarch64/emit-relocs-22.s: New test. + * testsuite/ld-aarch64/emit-relocs-23.d: New test. + * testsuite/ld-aarch64/emit-relocs-23.s: New test. + 2019-06-14 Alan Modra * Makefile.in: Regenerate. diff --git a/ld/testsuite/ld-aarch64/aarch64-elf.exp b/ld/testsuite/ld-aarch64/aarch64-elf.exp index d0a588c..ab8d152 100644 --- a/ld/testsuite/ld-aarch64/aarch64-elf.exp +++ b/ld/testsuite/ld-aarch64/aarch64-elf.exp @@ -96,6 +96,8 @@ run_dump_test "erratum843419-no-args" # Relocation Tests run_dump_test_lp64 "weak-undefined" +run_dump_test "emit-relocs-22" +run_dump_test "emit-relocs-23" run_dump_test "emit-relocs-28" run_dump_test "emit-relocs-86" run_dump_test "emit-relocs-86-overflow" diff --git a/ld/testsuite/ld-aarch64/emit-relocs-22.d b/ld/testsuite/ld-aarch64/emit-relocs-22.d new file mode 100644 index 0000000..b1e69e0 --- /dev/null +++ b/ld/testsuite/ld-aarch64/emit-relocs-22.d @@ -0,0 +1,15 @@ +#source: emit-relocs-22.s +#as: -mabi=ilp32 +#ld: -m [aarch64_choose_ilp32_emul] -T relocs-ilp32.ld --defsym foo1=0x12345 --defsym foo2=0x1234 -e0 --emit-relocs +#objdump: -dr + +.*: +file format .* + + +Disassembly of section \.text: + +.* <\.text>: + +10000: 528468ad mov w13, #0x2345 // #9029 + +10000: R_AARCH64_P32_MOVW_PREL_G0 foo1 + +10004: 129db9f1 mov w17, #0xffff1230 // #-60880 + +10004: R_AARCH64_P32_MOVW_PREL_G0 foo2 diff --git a/ld/testsuite/ld-aarch64/emit-relocs-22.s b/ld/testsuite/ld-aarch64/emit-relocs-22.s new file mode 100644 index 0000000..1b7870b --- /dev/null +++ b/ld/testsuite/ld-aarch64/emit-relocs-22.s @@ -0,0 +1,3 @@ +.text + movz w13, :prel_g0:foo1 + movz w17, :prel_g0:foo2 diff --git a/ld/testsuite/ld-aarch64/emit-relocs-23.d b/ld/testsuite/ld-aarch64/emit-relocs-23.d new file mode 100644 index 0000000..abb939d --- /dev/null +++ b/ld/testsuite/ld-aarch64/emit-relocs-23.d @@ -0,0 +1,15 @@ +#source: emit-relocs-23.s +#as: -mabi=ilp32 +#ld: -m [aarch64_choose_ilp32_emul] -T relocs-ilp32.ld --defsym foo=0x12345678 -e0 --emit-relocs +#objdump: -dr + +.*: +file format .* + + +Disassembly of section \.text: + +.* <\.text>: + +10000: 728acf0d movk w13, #0x5678 + +10000: R_AARCH64_P32_MOVW_PREL_G0_NC foo + +10004: 52a24671 mov w17, #0x12330000 // #305332224 + +10004: R_AARCH64_P32_MOVW_PREL_G1 foo diff --git a/ld/testsuite/ld-aarch64/emit-relocs-23.s b/ld/testsuite/ld-aarch64/emit-relocs-23.s new file mode 100644 index 0000000..f9c5869 --- /dev/null +++ b/ld/testsuite/ld-aarch64/emit-relocs-23.s @@ -0,0 +1,3 @@ +.text + movk w13, :prel_g0_nc:foo + movz w17, :prel_g1:foo -- 2.7.4