/* AArch64-specific support for NN-bit ELF.
- Copyright (C) 2009-2020 Free Software Foundation, Inc.
+ Copyright (C) 2009-2023 Free Software Foundation, Inc.
Contributed by ARM Ltd.
This file is part of BFD, the Binary File Descriptor library.
/* Deprecated, but retained for backwards compatibility. */
HOWTO64 (R_AARCH64_NULL, /* type */
0, /* rightshift */
- 3, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* size */
0, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_AARCH64_NULL", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO (R_AARCH64_NONE, /* type */
0, /* rightshift */
- 3, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* size */
0, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_AARCH64_NONE", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* .xword: (S+A) */
HOWTO64 (AARCH64_R (ABS64), /* type */
0, /* rightshift */
- 4, /* size (4 = long long) */
+ 8, /* size */
64, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (ABS64), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
ALL_ONES, /* src_mask */
ALL_ONES, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* .word: (S+A) */
HOWTO (AARCH64_R (ABS32), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (ABS32), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* .half: (S+A) */
HOWTO (AARCH64_R (ABS16), /* type */
0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 2, /* size */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (ABS16), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* .xword: (S+A-P) */
HOWTO64 (AARCH64_R (PREL64), /* type */
0, /* rightshift */
- 4, /* size (4 = long long) */
+ 8, /* size */
64, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (PREL64), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
ALL_ONES, /* src_mask */
ALL_ONES, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* .word: (S+A-P) */
HOWTO (AARCH64_R (PREL32), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
32, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (PREL32), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* .half: (S+A-P) */
HOWTO (AARCH64_R (PREL16), /* type */
0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 2, /* size */
16, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (PREL16), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* Group relocations to create a 16, 32, 48 or 64 bit
unsigned data or abs address inline. */
/* MOVZ: ((S+A) >> 0) & 0xffff */
HOWTO (AARCH64_R (MOVW_UABS_G0), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (MOVW_UABS_G0), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* MOVK: ((S+A) >> 0) & 0xffff [no overflow check] */
HOWTO (AARCH64_R (MOVW_UABS_G0_NC), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (MOVW_UABS_G0_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* MOVZ: ((S+A) >> 16) & 0xffff */
HOWTO (AARCH64_R (MOVW_UABS_G1), /* type */
16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (MOVW_UABS_G1), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* MOVK: ((S+A) >> 16) & 0xffff [no overflow check] */
HOWTO64 (AARCH64_R (MOVW_UABS_G1_NC), /* type */
16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (MOVW_UABS_G1_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* MOVZ: ((S+A) >> 32) & 0xffff */
HOWTO64 (AARCH64_R (MOVW_UABS_G2), /* type */
32, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (MOVW_UABS_G2), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* MOVK: ((S+A) >> 32) & 0xffff [no overflow check] */
HOWTO64 (AARCH64_R (MOVW_UABS_G2_NC), /* type */
32, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (MOVW_UABS_G2_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* MOVZ: ((S+A) >> 48) & 0xffff */
HOWTO64 (AARCH64_R (MOVW_UABS_G3), /* type */
48, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (MOVW_UABS_G3), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* Group relocations to create high part of a 16, 32, 48 or 64 bit
signed data or abs address inline. Will change instruction
/* MOV[ZN]: ((S+A) >> 0) & 0xffff */
HOWTO (AARCH64_R (MOVW_SABS_G0), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
17, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (MOVW_SABS_G0), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* MOV[ZN]: ((S+A) >> 16) & 0xffff */
HOWTO64 (AARCH64_R (MOVW_SABS_G1), /* type */
16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
17, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (MOVW_SABS_G1), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* MOV[ZN]: ((S+A) >> 32) & 0xffff */
HOWTO64 (AARCH64_R (MOVW_SABS_G2), /* type */
32, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
17, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (MOVW_SABS_G2), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* Group relocations to create a 16, 32, 48 or 64 bit
PC relative address inline. */
/* MOV[NZ]: ((S+A-P) >> 0) & 0xffff */
HOWTO (AARCH64_R (MOVW_PREL_G0), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
17, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (MOVW_PREL_G0), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* MOVK: ((S+A-P) >> 0) & 0xffff [no overflow check] */
HOWTO (AARCH64_R (MOVW_PREL_G0_NC), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (MOVW_PREL_G0_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* MOV[NZ]: ((S+A-P) >> 16) & 0xffff */
HOWTO (AARCH64_R (MOVW_PREL_G1), /* type */
16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
17, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (MOVW_PREL_G1), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* MOVK: ((S+A-P) >> 16) & 0xffff [no overflow check] */
HOWTO64 (AARCH64_R (MOVW_PREL_G1_NC), /* type */
16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (MOVW_PREL_G1_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* MOV[NZ]: ((S+A-P) >> 32) & 0xffff */
HOWTO64 (AARCH64_R (MOVW_PREL_G2), /* type */
32, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
17, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (MOVW_PREL_G2), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* MOVK: ((S+A-P) >> 32) & 0xffff [no overflow check] */
HOWTO64 (AARCH64_R (MOVW_PREL_G2_NC), /* type */
32, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (MOVW_PREL_G2_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* MOV[NZ]: ((S+A-P) >> 48) & 0xffff */
HOWTO64 (AARCH64_R (MOVW_PREL_G3), /* type */
48, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (MOVW_PREL_G3), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* Relocations to generate 19, 21 and 33 bit PC-relative load/store
addresses: PG(x) is (x & ~0xfff). */
/* LD-lit: ((S+A-P) >> 2) & 0x7ffff */
HOWTO (AARCH64_R (LD_PREL_LO19), /* type */
2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
19, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (LD_PREL_LO19), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x7ffff, /* src_mask */
0x7ffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* ADR: (S+A-P) & 0x1fffff */
HOWTO (AARCH64_R (ADR_PREL_LO21), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
21, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (ADR_PREL_LO21), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x1fffff, /* src_mask */
0x1fffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* ADRP: ((PG(S+A)-PG(P)) >> 12) & 0x1fffff */
HOWTO (AARCH64_R (ADR_PREL_PG_HI21), /* type */
12, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
21, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (ADR_PREL_PG_HI21), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x1fffff, /* src_mask */
0x1fffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* ADRP: ((PG(S+A)-PG(P)) >> 12) & 0x1fffff [no overflow check] */
HOWTO64 (AARCH64_R (ADR_PREL_PG_HI21_NC), /* type */
12, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
21, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (ADR_PREL_PG_HI21_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x1fffff, /* src_mask */
0x1fffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* ADD: (S+A) & 0xfff [no overflow check] */
HOWTO (AARCH64_R (ADD_ABS_LO12_NC), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
10, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (ADD_ABS_LO12_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x3ffc00, /* src_mask */
0x3ffc00, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* LD/ST8: (S+A) & 0xfff */
HOWTO (AARCH64_R (LDST8_ABS_LO12_NC), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (LDST8_ABS_LO12_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xfff, /* src_mask */
0xfff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* Relocations for control-flow instructions. */
/* TBZ/NZ: ((S+A-P) >> 2) & 0x3fff */
HOWTO (AARCH64_R (TSTBR14), /* type */
2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
14, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TSTBR14), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x3fff, /* src_mask */
0x3fff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* B.cond: ((S+A-P) >> 2) & 0x7ffff */
HOWTO (AARCH64_R (CONDBR19), /* type */
2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
19, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (CONDBR19), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x7ffff, /* src_mask */
0x7ffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* B: ((S+A-P) >> 2) & 0x3ffffff */
HOWTO (AARCH64_R (JUMP26), /* type */
2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
26, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (JUMP26), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x3ffffff, /* src_mask */
0x3ffffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* BL: ((S+A-P) >> 2) & 0x3ffffff */
HOWTO (AARCH64_R (CALL26), /* type */
2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
26, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (CALL26), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x3ffffff, /* src_mask */
0x3ffffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* LD/ST16: (S+A) & 0xffe */
HOWTO (AARCH64_R (LDST16_ABS_LO12_NC), /* type */
1, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (LDST16_ABS_LO12_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffe, /* src_mask */
0xffe, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* LD/ST32: (S+A) & 0xffc */
HOWTO (AARCH64_R (LDST32_ABS_LO12_NC), /* type */
2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (LDST32_ABS_LO12_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffc, /* src_mask */
0xffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* LD/ST64: (S+A) & 0xff8 */
HOWTO (AARCH64_R (LDST64_ABS_LO12_NC), /* type */
3, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (LDST64_ABS_LO12_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xff8, /* src_mask */
0xff8, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* LD/ST128: (S+A) & 0xff0 */
HOWTO (AARCH64_R (LDST128_ABS_LO12_NC), /* type */
4, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (LDST128_ABS_LO12_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xff0, /* src_mask */
0xff0, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* Set a load-literal immediate field to bits
0x1FFFFC of G(S)-P */
HOWTO (AARCH64_R (GOT_LD_PREL19), /* type */
2, /* rightshift */
- 2, /* size (0 = byte,1 = short,2 = long) */
+ 4, /* size */
19, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (GOT_LD_PREL19), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffffe0, /* src_mask */
0xffffe0, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* Get to the page for the GOT entry for the symbol
(G(S) - P) using an ADRP instruction. */
HOWTO (AARCH64_R (ADR_GOT_PAGE), /* type */
12, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
21, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (ADR_GOT_PAGE), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x1fffff, /* src_mask */
0x1fffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* LD64: GOT offset G(S) & 0xff8 */
HOWTO64 (AARCH64_R (LD64_GOT_LO12_NC), /* type */
3, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (LD64_GOT_LO12_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xff8, /* src_mask */
0xff8, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* LD32: GOT offset G(S) & 0xffc */
HOWTO32 (AARCH64_R (LD32_GOT_LO12_NC), /* type */
2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (LD32_GOT_LO12_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffc, /* src_mask */
0xffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* Lower 16 bits of GOT offset for the symbol. */
HOWTO64 (AARCH64_R (MOVW_GOTOFF_G0_NC), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (MOVW_GOTOFF_G0_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* Higher 16 bits of GOT offset for the symbol. */
HOWTO64 (AARCH64_R (MOVW_GOTOFF_G1), /* type */
16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (MOVW_GOTOFF_G1), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* LD64: GOT offset for the symbol. */
HOWTO64 (AARCH64_R (LD64_GOTOFF_LO15), /* type */
3, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (LD64_GOTOFF_LO15), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x7ff8, /* src_mask */
0x7ff8, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* LD32: GOT offset to the page address of GOT table.
(G(S) - PAGE (_GLOBAL_OFFSET_TABLE_)) & 0x5ffc. */
HOWTO32 (AARCH64_R (LD32_GOTPAGE_LO14), /* type */
2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (LD32_GOTPAGE_LO14), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x5ffc, /* src_mask */
0x5ffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* LD64: GOT offset to the page address of GOT table.
(G(S) - PAGE (_GLOBAL_OFFSET_TABLE_)) & 0x7ff8. */
HOWTO64 (AARCH64_R (LD64_GOTPAGE_LO15), /* type */
3, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (LD64_GOTPAGE_LO15), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x7ff8, /* src_mask */
0x7ff8, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* Get to the page for the GOT entry for the symbol
(G(S) - P) using an ADRP instruction. */
HOWTO (AARCH64_R (TLSGD_ADR_PAGE21), /* type */
12, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
21, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSGD_ADR_PAGE21), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x1fffff, /* src_mask */
0x1fffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
HOWTO (AARCH64_R (TLSGD_ADR_PREL21), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
21, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSGD_ADR_PREL21), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x1fffff, /* src_mask */
0x1fffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* ADD: GOT offset G(S) & 0xff8 [no overflow check] */
HOWTO (AARCH64_R (TLSGD_ADD_LO12_NC), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSGD_ADD_LO12_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xfff, /* src_mask */
0xfff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* Lower 16 bits of GOT offset to tls_index. */
HOWTO64 (AARCH64_R (TLSGD_MOVW_G0_NC), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSGD_MOVW_G0_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* Higher 16 bits of GOT offset to tls_index. */
HOWTO64 (AARCH64_R (TLSGD_MOVW_G1), /* type */
16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSGD_MOVW_G1), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO (AARCH64_R (TLSIE_ADR_GOTTPREL_PAGE21), /* type */
12, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
21, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSIE_ADR_GOTTPREL_PAGE21), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x1fffff, /* src_mask */
0x1fffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO64 (AARCH64_R (TLSIE_LD64_GOTTPREL_LO12_NC), /* type */
3, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSIE_LD64_GOTTPREL_LO12_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xff8, /* src_mask */
0xff8, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO32 (AARCH64_R (TLSIE_LD32_GOTTPREL_LO12_NC), /* type */
2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSIE_LD32_GOTTPREL_LO12_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffc, /* src_mask */
0xffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO (AARCH64_R (TLSIE_LD_GOTTPREL_PREL19), /* type */
2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
19, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSIE_LD_GOTTPREL_PREL19), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x1ffffc, /* src_mask */
0x1ffffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO64 (AARCH64_R (TLSIE_MOVW_GOTTPREL_G0_NC), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSIE_MOVW_GOTTPREL_G0_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO64 (AARCH64_R (TLSIE_MOVW_GOTTPREL_G1), /* type */
16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSIE_MOVW_GOTTPREL_G1), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* ADD: bit[23:12] of byte offset to module TLS base address. */
HOWTO (AARCH64_R (TLSLD_ADD_DTPREL_HI12), /* type */
12, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLD_ADD_DTPREL_HI12), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xfff, /* src_mask */
0xfff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* Unsigned 12 bit byte offset to module TLS base address. */
HOWTO (AARCH64_R (TLSLD_ADD_DTPREL_LO12), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLD_ADD_DTPREL_LO12), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xfff, /* src_mask */
0xfff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* No overflow check version of BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12. */
HOWTO (AARCH64_R (TLSLD_ADD_DTPREL_LO12_NC), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLD_ADD_DTPREL_LO12_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xfff, /* src_mask */
0xfff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* ADD: GOT offset G(S) & 0xff8 [no overflow check] */
HOWTO (AARCH64_R (TLSLD_ADD_LO12_NC), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLD_ADD_LO12_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xfff, /* src_mask */
0xfff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* Get to the page for the GOT entry for the symbol
(G(S) - P) using an ADRP instruction. */
HOWTO (AARCH64_R (TLSLD_ADR_PAGE21), /* type */
12, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
21, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLD_ADR_PAGE21), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x1fffff, /* src_mask */
0x1fffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
HOWTO (AARCH64_R (TLSLD_ADR_PREL21), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
21, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLD_ADR_PREL21), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x1fffff, /* src_mask */
0x1fffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* LD/ST16: bit[11:1] of byte offset to module TLS base address. */
HOWTO64 (AARCH64_R (TLSLD_LDST16_DTPREL_LO12), /* type */
1, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
11, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
10, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLD_LDST16_DTPREL_LO12), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x1ffc00, /* src_mask */
0x1ffc00, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* Same as BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12, but no overflow check. */
HOWTO64 (AARCH64_R (TLSLD_LDST16_DTPREL_LO12_NC), /* type */
1, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
11, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
10, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLD_LDST16_DTPREL_LO12_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x1ffc00, /* src_mask */
0x1ffc00, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* LD/ST32: bit[11:2] of byte offset to module TLS base address. */
HOWTO64 (AARCH64_R (TLSLD_LDST32_DTPREL_LO12), /* type */
2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
10, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
10, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLD_LDST32_DTPREL_LO12), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x3ffc00, /* src_mask */
0x3ffc00, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* Same as BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12, but no overflow check. */
HOWTO64 (AARCH64_R (TLSLD_LDST32_DTPREL_LO12_NC), /* type */
2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
10, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
10, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLD_LDST32_DTPREL_LO12_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffc00, /* src_mask */
0xffc00, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* LD/ST64: bit[11:3] of byte offset to module TLS base address. */
HOWTO64 (AARCH64_R (TLSLD_LDST64_DTPREL_LO12), /* type */
3, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
9, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
10, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLD_LDST64_DTPREL_LO12), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x3ffc00, /* src_mask */
0x3ffc00, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* Same as BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12, but no overflow check. */
HOWTO64 (AARCH64_R (TLSLD_LDST64_DTPREL_LO12_NC), /* type */
3, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
9, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
10, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLD_LDST64_DTPREL_LO12_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x7fc00, /* src_mask */
0x7fc00, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* LD/ST8: bit[11:0] of byte offset to module TLS base address. */
HOWTO64 (AARCH64_R (TLSLD_LDST8_DTPREL_LO12), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
10, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLD_LDST8_DTPREL_LO12), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x3ffc00, /* src_mask */
0x3ffc00, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* Same as BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12, but no overflow check. */
HOWTO64 (AARCH64_R (TLSLD_LDST8_DTPREL_LO12_NC), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
10, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLD_LDST8_DTPREL_LO12_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x3ffc00, /* src_mask */
0x3ffc00, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* MOVZ: bit[15:0] of byte offset to module TLS base address. */
HOWTO (AARCH64_R (TLSLD_MOVW_DTPREL_G0), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLD_MOVW_DTPREL_G0), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* No overflow check version of BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0. */
HOWTO (AARCH64_R (TLSLD_MOVW_DTPREL_G0_NC), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLD_MOVW_DTPREL_G0_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* MOVZ: bit[31:16] of byte offset to module TLS base address. */
HOWTO (AARCH64_R (TLSLD_MOVW_DTPREL_G1), /* type */
16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLD_MOVW_DTPREL_G1), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* No overflow check version of BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1. */
HOWTO64 (AARCH64_R (TLSLD_MOVW_DTPREL_G1_NC), /* type */
16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLD_MOVW_DTPREL_G1_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* MOVZ: bit[47:32] of byte offset to module TLS base address. */
HOWTO64 (AARCH64_R (TLSLD_MOVW_DTPREL_G2), /* type */
32, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLD_MOVW_DTPREL_G2), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO64 (AARCH64_R (TLSLE_MOVW_TPREL_G2), /* type */
32, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLE_MOVW_TPREL_G2), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO (AARCH64_R (TLSLE_MOVW_TPREL_G1), /* type */
16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLE_MOVW_TPREL_G1), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO64 (AARCH64_R (TLSLE_MOVW_TPREL_G1_NC), /* type */
16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLE_MOVW_TPREL_G1_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO (AARCH64_R (TLSLE_MOVW_TPREL_G0), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLE_MOVW_TPREL_G0), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO (AARCH64_R (TLSLE_MOVW_TPREL_G0_NC), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
16, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLE_MOVW_TPREL_G0_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO (AARCH64_R (TLSLE_ADD_TPREL_HI12), /* type */
12, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLE_ADD_TPREL_HI12), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xfff, /* src_mask */
0xfff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO (AARCH64_R (TLSLE_ADD_TPREL_LO12), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLE_ADD_TPREL_LO12), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xfff, /* src_mask */
0xfff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO (AARCH64_R (TLSLE_ADD_TPREL_LO12_NC), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLE_ADD_TPREL_LO12_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xfff, /* src_mask */
0xfff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* LD/ST16: bit[11:1] of byte offset to module TLS base address. */
HOWTO (AARCH64_R (TLSLE_LDST16_TPREL_LO12), /* type */
1, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
11, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
10, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLE_LDST16_TPREL_LO12), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x1ffc00, /* src_mask */
0x1ffc00, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* Same as BFD_RELOC_AARCH64_TLSLE_LDST16_TPREL_LO12, but no overflow check. */
HOWTO (AARCH64_R (TLSLE_LDST16_TPREL_LO12_NC), /* type */
1, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
11, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
10, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLE_LDST16_TPREL_LO12_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x1ffc00, /* src_mask */
0x1ffc00, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* LD/ST32: bit[11:2] of byte offset to module TLS base address. */
HOWTO (AARCH64_R (TLSLE_LDST32_TPREL_LO12), /* type */
2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
10, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
10, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLE_LDST32_TPREL_LO12), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffc00, /* src_mask */
0xffc00, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* Same as BFD_RELOC_AARCH64_TLSLE_LDST32_TPREL_LO12, but no overflow check. */
HOWTO (AARCH64_R (TLSLE_LDST32_TPREL_LO12_NC), /* type */
2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
10, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
10, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLE_LDST32_TPREL_LO12_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffc00, /* src_mask */
0xffc00, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* LD/ST64: bit[11:3] of byte offset to module TLS base address. */
HOWTO (AARCH64_R (TLSLE_LDST64_TPREL_LO12), /* type */
3, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
9, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
10, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLE_LDST64_TPREL_LO12), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x7fc00, /* src_mask */
0x7fc00, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* Same as BFD_RELOC_AARCH64_TLSLE_LDST64_TPREL_LO12, but no overflow check. */
HOWTO (AARCH64_R (TLSLE_LDST64_TPREL_LO12_NC), /* type */
3, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
9, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
10, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLE_LDST64_TPREL_LO12_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x7fc00, /* src_mask */
0x7fc00, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* LD/ST8: bit[11:0] of byte offset to module TLS base address. */
HOWTO (AARCH64_R (TLSLE_LDST8_TPREL_LO12), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
10, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLE_LDST8_TPREL_LO12), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x3ffc00, /* src_mask */
0x3ffc00, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* Same as BFD_RELOC_AARCH64_TLSLE_LDST8_TPREL_LO12, but no overflow check. */
HOWTO (AARCH64_R (TLSLE_LDST8_TPREL_LO12_NC), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
10, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSLE_LDST8_TPREL_LO12_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x3ffc00, /* src_mask */
0x3ffc00, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO (AARCH64_R (TLSDESC_LD_PREL19), /* type */
2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
19, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSDESC_LD_PREL19), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x0ffffe0, /* src_mask */
0x0ffffe0, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
HOWTO (AARCH64_R (TLSDESC_ADR_PREL21), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
21, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSDESC_ADR_PREL21), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x1fffff, /* src_mask */
0x1fffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* Get to the page for the GOT entry for the symbol
(G(S) - P) using an ADRP instruction. */
HOWTO (AARCH64_R (TLSDESC_ADR_PAGE21), /* type */
12, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
21, /* bitsize */
- TRUE, /* pc_relative */
+ true, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSDESC_ADR_PAGE21), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x1fffff, /* src_mask */
0x1fffff, /* dst_mask */
- TRUE), /* pcrel_offset */
+ true), /* pcrel_offset */
/* LD64: GOT offset G(S) & 0xff8. */
HOWTO64 (AARCH64_R (TLSDESC_LD64_LO12), /* type */
3, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSDESC_LD64_LO12), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xff8, /* src_mask */
0xff8, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* LD32: GOT offset G(S) & 0xffc. */
HOWTO32 (AARCH64_R (TLSDESC_LD32_LO12_NC), /* type */
2, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSDESC_LD32_LO12_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffc, /* src_mask */
0xffc, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
/* ADD: GOT offset G(S) & 0xfff. */
HOWTO (AARCH64_R (TLSDESC_ADD_LO12), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont,/* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSDESC_ADD_LO12), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xfff, /* src_mask */
0xfff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO64 (AARCH64_R (TLSDESC_OFF_G1), /* type */
16, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_unsigned, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSDESC_OFF_G1), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO64 (AARCH64_R (TLSDESC_OFF_G0_NC), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSDESC_OFF_G0_NC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO64 (AARCH64_R (TLSDESC_LDR), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSDESC_LDR), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x0, /* src_mask */
0x0, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO64 (AARCH64_R (TLSDESC_ADD), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
12, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSDESC_ADD), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x0, /* src_mask */
0x0, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO (AARCH64_R (TLSDESC_CALL), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
0, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSDESC_CALL), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0x0, /* src_mask */
0x0, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO (AARCH64_R (COPY), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
64, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (COPY), /* name */
- TRUE, /* partial_inplace */
+ true, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO (AARCH64_R (GLOB_DAT), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
64, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (GLOB_DAT), /* name */
- TRUE, /* partial_inplace */
+ true, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO (AARCH64_R (JUMP_SLOT), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
64, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (JUMP_SLOT), /* name */
- TRUE, /* partial_inplace */
+ true, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO (AARCH64_R (RELATIVE), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
64, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (RELATIVE), /* name */
- TRUE, /* partial_inplace */
+ true, /* partial_inplace */
ALL_ONES, /* src_mask */
ALL_ONES, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO (AARCH64_R (TLS_DTPMOD), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
64, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
#else
AARCH64_R_STR (TLS_DTPMOD), /* name */
#endif
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
ALL_ONES, /* dst_mask */
- FALSE), /* pc_reloffset */
+ false), /* pc_reloffset */
HOWTO (AARCH64_R (TLS_DTPREL), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
64, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
#else
AARCH64_R_STR (TLS_DTPREL), /* name */
#endif
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
ALL_ONES, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO (AARCH64_R (TLS_TPREL), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
64, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
#else
AARCH64_R_STR (TLS_TPREL), /* name */
#endif
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
ALL_ONES, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO (AARCH64_R (TLSDESC), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
64, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (TLSDESC), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
ALL_ONES, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
HOWTO (AARCH64_R (IRELATIVE), /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
+ 4, /* size */
64, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
AARCH64_R_STR (IRELATIVE), /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
ALL_ONES, /* dst_mask */
- FALSE), /* pcrel_offset */
+ false), /* pcrel_offset */
EMPTY_HOWTO (0),
};
static reloc_howto_type elfNN_aarch64_howto_none =
HOWTO (R_AARCH64_NONE, /* type */
0, /* rightshift */
- 3, /* size (0 = byte, 1 = short, 2 = long) */
+ 0, /* size */
0, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont,/* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_AARCH64_NONE", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- FALSE); /* pcrel_offset */
+ false); /* pcrel_offset */
/* Given HOWTO, return the bfd internal relocation enumerator. */
static bfd_reloc_code_real_type
elfNN_aarch64_bfd_reloc_from_type (bfd *abfd, unsigned int r_type)
{
- static bfd_boolean initialized_p = FALSE;
+ static bool initialized_p = false;
/* Indexed by R_TYPE, values are offsets in the howto_table. */
static unsigned int offsets[R_AARCH64_end];
if (elfNN_aarch64_howto_table[i].type != 0)
offsets[elfNN_aarch64_howto_table[i].type] = i;
- initialized_p = TRUE;
+ initialized_p = true;
}
if (r_type == R_AARCH64_NONE || r_type == R_AARCH64_NULL)
return NULL;
}
-static bfd_boolean
+static bool
elfNN_aarch64_info_to_howto (bfd *abfd, arelent *bfd_reloc,
Elf_Internal_Rela *elf_reloc)
{
{
/* xgettext:c-format */
_bfd_error_handler (_("%pB: unsupported relocation type %#x"), abfd, r_type);
- return FALSE;
+ return false;
}
- return TRUE;
+ return true;
}
static reloc_howto_type *
name can be changed. The only requirement is the %s be present. */
#define STUB_ENTRY_NAME "__%s_veneer"
+/* Stub name for a BTI landing stub. */
+#define BTI_STUB_ENTRY_NAME "__%s_bti_veneer"
+
/* The name of the dynamic interpreter. This is put in the .interp
section. */
#define ELF_DYNAMIC_INTERPRETER "/lib/ld.so.1"
0x00000000,
};
+static const uint32_t aarch64_bti_direct_branch_stub[] =
+{
+ 0xd503245f, /* bti c */
+ 0x14000000, /* b <label> */
+};
+
static const uint32_t aarch64_erratum_835769_stub[] =
{
0x00000000, /* Placeholder for multiply accumulate. */
aarch64_stub_none,
aarch64_stub_adrp_branch,
aarch64_stub_long_branch,
+ aarch64_stub_bti_direct_branch,
aarch64_stub_erratum_835769_veneer,
aarch64_stub_erratum_843419_veneer,
};
/* Destination symbol type */
unsigned char st_type;
+ /* The target is also a stub. */
+ bool double_stub;
+
/* Where this stub is being called from, or, in the case of combined
stub sections, the first input section in the group. */
asection *id_sec;
&& elf_tdata (bfd) != NULL \
&& elf_object_id (bfd) == AARCH64_ELF_DATA)
-static bfd_boolean
+static bool
elfNN_aarch64_mkobject (bfd *abfd)
{
return bfd_elf_allocate_object (abfd, sizeof (struct elf_aarch64_obj_tdata),
{
struct elf_link_hash_entry root;
- /* Track dynamic relocs copied for this symbol. */
- struct elf_dyn_relocs *dyn_relocs;
-
/* Since PLT entries have variable size, we need to record the
index into .got.plt instead of recomputing it from the PLT
offset. */
this symbol. */
unsigned int got_type;
+ /* TRUE if symbol is defined as a protected symbol. */
+ unsigned int def_protected : 1;
+
/* A pointer to the most recently used stub hash entry against this
symbol. */
struct elf_aarch64_stub_hash_entry *stub_cache;
/* The bytes of the subsequent PLT entry. */
const bfd_byte *plt_entry;
- /* Small local sym cache. */
- struct sym_cache sym_cache;
-
/* For convenience in allocate_dynrelocs. */
bfd *obfd;
unsigned int top_index;
asection **input_list;
+ /* True when two stubs are added where one targets the other, happens
+ when BTI stubs are inserted and then the stub layout must not change
+ during elfNN_aarch64_build_stubs. */
+ bool has_double_stub;
+
/* JUMP_SLOT relocs for variant PCS symbols may be present. */
int variant_pcs;
- /* The offset into splt of the PLT entry for the TLS descriptor
- resolver. Special values are 0, if not necessary (or not found
- to be necessary yet), and -1 if needed but not determined
- yet. */
- bfd_vma tlsdesc_plt;
-
/* The number of bytes in the PLT enty for the TLS descriptor. */
bfd_size_type tlsdesc_plt_entry_size;
- /* The GOT offset for the lazy trampoline. Communicated to the
- loader via DT_TLSDESC_GOT. The magic value (bfd_vma) -1
- indicates an offset is not allocated. */
- bfd_vma dt_tlsdesc_got;
-
/* Used by local STT_GNU_IFUNC symbols. */
htab_t loc_hash_table;
void * loc_hash_memory;
table, string));
if (ret != NULL)
{
- ret->dyn_relocs = NULL;
ret->got_type = GOT_UNKNOWN;
+ ret->def_protected = 0;
ret->plt_got_offset = (bfd_vma) - 1;
ret->stub_cache = NULL;
ret->tlsdesc_got_jump_table_offset = (bfd_vma) - 1;
/* Initialize the local fields. */
eh = (struct elf_aarch64_stub_hash_entry *) entry;
- eh->adrp_offset = 0;
- eh->stub_sec = NULL;
- eh->stub_offset = 0;
- eh->target_value = 0;
- eh->target_section = NULL;
- eh->stub_type = aarch64_stub_none;
- eh->h = NULL;
- eh->id_sec = NULL;
+ memset (&eh->stub_sec, 0,
+ (sizeof (struct elf_aarch64_stub_hash_entry)
+ - offsetof (struct elf_aarch64_stub_hash_entry, stub_sec)));
}
return entry;
static struct elf_link_hash_entry *
elfNN_aarch64_get_local_sym_hash (struct elf_aarch64_link_hash_table *htab,
bfd *abfd, const Elf_Internal_Rela *rel,
- bfd_boolean create)
+ bool create)
{
struct elf_aarch64_link_hash_entry e, *ret;
asection *sec = abfd->sections;
edir = (struct elf_aarch64_link_hash_entry *) dir;
eind = (struct elf_aarch64_link_hash_entry *) ind;
- if (eind->dyn_relocs != NULL)
- {
- if (edir->dyn_relocs != NULL)
- {
- struct elf_dyn_relocs **pp;
- struct elf_dyn_relocs *p;
-
- /* Add reloc counts against the indirect sym to the direct sym
- list. Merge any entries against the same section. */
- for (pp = &eind->dyn_relocs; (p = *pp) != NULL;)
- {
- struct elf_dyn_relocs *q;
-
- for (q = edir->dyn_relocs; q != NULL; q = q->next)
- if (q->sec == p->sec)
- {
- q->pc_count += p->pc_count;
- q->count += p->count;
- *pp = p->next;
- break;
- }
- if (q == NULL)
- pp = &p->next;
- }
- *pp = edir->dyn_relocs;
- }
-
- edir->dyn_relocs = eind->dyn_relocs;
- eind->dyn_relocs = NULL;
- }
-
if (ind->root.type == bfd_link_hash_indirect)
{
/* Copy over PLT info. */
static void
elfNN_aarch64_merge_symbol_attribute (struct elf_link_hash_entry *h,
- const Elf_Internal_Sym *isym,
- bfd_boolean definition ATTRIBUTE_UNUSED,
- bfd_boolean dynamic ATTRIBUTE_UNUSED)
+ unsigned int st_other,
+ bool definition,
+ bool dynamic ATTRIBUTE_UNUSED)
{
- unsigned int isym_sto = isym->st_other & ~ELF_ST_VISIBILITY (-1);
+ if (definition)
+ {
+ struct elf_aarch64_link_hash_entry *eh
+ = (struct elf_aarch64_link_hash_entry *)h;
+ eh->def_protected = ELF_ST_VISIBILITY (st_other) == STV_PROTECTED;
+ }
+
+ unsigned int isym_sto = st_other & ~ELF_ST_VISIBILITY (-1);
unsigned int h_sto = h->other & ~ELF_ST_VISIBILITY (-1);
if (isym_sto == h_sto)
ret->plt_entry = elfNN_aarch64_small_plt_entry;
ret->tlsdesc_plt_entry_size = PLT_TLSDESC_ENTRY_SIZE;
ret->obfd = abfd;
- ret->dt_tlsdesc_got = (bfd_vma) - 1;
+ ret->root.tlsdesc_got = (bfd_vma) - 1;
if (!bfd_hash_table_init (&ret->stub_hash_table, stub_hash_newfunc,
sizeof (struct elf_aarch64_stub_hash_entry)))
/* Perform relocation R_TYPE. Returns TRUE upon success, FALSE otherwise. */
-static bfd_boolean
+static bool
aarch64_relocate (unsigned int r_type, bfd *input_bfd, asection *input_section,
bfd_vma offset, bfd_vma value)
{
r_type = elfNN_aarch64_bfd_reloc_from_type (input_bfd, r_type);
value = _bfd_aarch64_elf_resolve_relocation (input_bfd, r_type, place,
- value, 0, FALSE);
+ value, 0, false);
return _bfd_aarch64_elf_put_addend (input_bfd,
input_section->contents + offset, r_type,
howto, value) == bfd_reloc_ok;
}
-static enum elf_aarch64_stub_type
-aarch64_select_branch_stub (bfd_vma value, bfd_vma place)
-{
- if (aarch64_valid_for_adrp_p (value, place))
- return aarch64_stub_adrp_branch;
- return aarch64_stub_long_branch;
-}
-
/* Determine the type of stub needed, if any, for a call. */
static enum elf_aarch64_stub_type
len = 8 + 1 + strlen (hash->root.root.root.string) + 1 + 16 + 1;
stub_name = bfd_malloc (len);
if (stub_name != NULL)
- snprintf (stub_name, len, "%08x_%s+%" BFD_VMA_FMT "x",
+ snprintf (stub_name, len, "%08x_%s+%" PRIx64,
(unsigned int) input_section->id,
hash->root.root.root.string,
- rel->r_addend);
+ (uint64_t) rel->r_addend);
}
else
{
len = 8 + 1 + 8 + 1 + 8 + 1 + 16 + 1;
stub_name = bfd_malloc (len);
if (stub_name != NULL)
- snprintf (stub_name, len, "%08x_%x:%x+%" BFD_VMA_FMT "x",
+ snprintf (stub_name, len, "%08x_%x:%x+%" PRIx64,
(unsigned int) input_section->id,
(unsigned int) sym_sec->id,
(unsigned int) ELFNN_R_SYM (rel->r_info),
- rel->r_addend);
+ (uint64_t) rel->r_addend);
}
return stub_name;
executable PLT slots where the executable never takes the address of those
functions, the function symbols are not added to the hash table. */
-static bfd_boolean
+static bool
elf_aarch64_hash_symbol (struct elf_link_hash_entry *h)
{
if (h->plt.offset != (bfd_vma) -1
&& !h->def_regular
&& !h->pointer_equality_needed)
- return FALSE;
+ return false;
return _bfd_elf_hash_symbol (h);
}
return NULL;
stub_entry = aarch64_stub_hash_lookup (&htab->stub_hash_table,
- stub_name, FALSE, FALSE);
+ stub_name, false, false);
if (h != NULL)
h->stub_cache = stub_entry;
/* Enter this entry into the linker stub hash table. */
stub_entry = aarch64_stub_hash_lookup (&htab->stub_hash_table, stub_name,
- TRUE, FALSE);
+ true, false);
if (stub_entry == NULL)
{
/* xgettext:c-format */
if (htab->fix_erratum_843419 & ERRAT_ADRP)
stub_sec = _bfd_aarch64_get_stub_for_link_section (link_section, htab);
stub_entry = aarch64_stub_hash_lookup (&htab->stub_hash_table, stub_name,
- TRUE, FALSE);
+ true, false);
if (stub_entry == NULL)
{
_bfd_error_handler (_("cannot create stub entry %s"), stub_name);
}
-static bfd_boolean
+static bool
aarch64_build_one_stub (struct bfd_hash_entry *gen_entry,
void *in_arg)
{
bfd_vma veneer_entry_loc;
bfd_signed_vma branch_offset = 0;
unsigned int template_size;
+ unsigned int pad_size = 0;
const uint32_t *template;
unsigned int i;
struct bfd_link_info *info;
+ struct elf_aarch64_link_hash_table *htab;
/* Massage our args to the form they really have. */
stub_entry = (struct elf_aarch64_stub_hash_entry *) gen_entry;
info = (struct bfd_link_info *) in_arg;
+ htab = elf_aarch64_hash_table (info);
/* Fail if the target section could not be assigned to an output
section. The user should fix his linker script. */
if (stub_entry->target_section->output_section == NULL
&& info->non_contiguous_regions)
- info->callbacks->einfo (_("%F%P: Could not assign '%pA' to an output section. "
+ info->callbacks->einfo (_("%F%P: Could not assign `%pA' to an output section. "
"Retry without "
"--enable-non-contiguous-regions.\n"),
stub_entry->target_section);
stub_sec = stub_entry->stub_sec;
+ /* The layout must not change when a stub may be the target of another. */
+ if (htab->has_double_stub)
+ BFD_ASSERT (stub_entry->stub_offset == stub_sec->size);
+
/* Make a note of the offset within the stubs for this entry. */
stub_entry->stub_offset = stub_sec->size;
loc = stub_sec->contents + stub_entry->stub_offset;
/* See if we can relax the stub. */
if (aarch64_valid_for_adrp_p (sym_value, place))
- stub_entry->stub_type = aarch64_select_branch_stub (sym_value, place);
+ {
+ stub_entry->stub_type = aarch64_stub_adrp_branch;
+
+ /* Avoid the relaxation changing the layout. */
+ if (htab->has_double_stub)
+ pad_size = sizeof (aarch64_long_branch_stub)
+ - sizeof (aarch64_adrp_branch_stub);
+ }
}
switch (stub_entry->stub_type)
template = aarch64_long_branch_stub;
template_size = sizeof (aarch64_long_branch_stub);
break;
+ case aarch64_stub_bti_direct_branch:
+ template = aarch64_bti_direct_branch_stub;
+ template_size = sizeof (aarch64_bti_direct_branch_stub);
+ break;
case aarch64_stub_erratum_835769_veneer:
template = aarch64_erratum_835769_stub;
template_size = sizeof (aarch64_erratum_835769_stub);
loc += 4;
}
+ template_size += pad_size;
template_size = (template_size + 7) & ~7;
stub_sec->size += template_size;
BFD_FAIL ();
break;
+ case aarch64_stub_bti_direct_branch:
+ if (!aarch64_relocate (AARCH64_R (JUMP26), stub_bfd, stub_sec,
+ stub_entry->stub_offset + 4, sym_value))
+ BFD_FAIL ();
+ break;
+
case aarch64_stub_erratum_835769_veneer:
veneered_insn_loc = stub_entry->target_section->output_section->vma
+ stub_entry->target_section->output_offset
abort ();
}
- return TRUE;
+ return true;
}
/* As above, but don't actually build the stub. Just bump offset so
- we know stub section sizes. */
+ we know stub section sizes and record the offset for each stub so
+ a stub can target another stub (needed for BTI direct branch stub). */
-static bfd_boolean
+static bool
aarch64_size_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
{
struct elf_aarch64_stub_hash_entry *stub_entry;
case aarch64_stub_long_branch:
size = sizeof (aarch64_long_branch_stub);
break;
+ case aarch64_stub_bti_direct_branch:
+ size = sizeof (aarch64_bti_direct_branch_stub);
+ break;
case aarch64_stub_erratum_835769_veneer:
size = sizeof (aarch64_erratum_835769_stub);
break;
case aarch64_stub_erratum_843419_veneer:
{
if (htab->fix_erratum_843419 == ERRAT_ADR)
- return TRUE;
+ return true;
size = sizeof (aarch64_erratum_843419_stub);
}
break;
}
size = (size + 7) & ~7;
+ stub_entry->stub_offset = stub_entry->stub_sec->size;
stub_entry->stub_sec->size += size;
- return TRUE;
+ return true;
+}
+
+/* Output is BTI compatible. */
+
+static bool
+elf_aarch64_bti_p (bfd *output_bfd)
+{
+ uint32_t prop = elf_aarch64_tdata (output_bfd)->gnu_and_prop;
+ return prop & GNU_PROPERTY_AARCH64_FEATURE_1_BTI;
}
/* External entry points for sizing and building linker stubs. */
struct elf_aarch64_link_hash_table *htab =
elf_aarch64_hash_table (info);
- if (!is_elf_hash_table (htab))
+ if (!is_elf_hash_table (&htab->root.root))
return 0;
/* Count the number of input BFDs and find the top input section id. */
static void
group_sections (struct elf_aarch64_link_hash_table *htab,
bfd_size_type stub_group_size,
- bfd_boolean stubs_always_after_branch)
+ bool stubs_always_after_branch)
{
asection **list = htab->input_list;
#undef PREV_SEC
#undef PREV_SEC
+#define AARCH64_HINT(insn) (((insn) & 0xfffff01f) == 0xd503201f)
+#define AARCH64_PACIASP 0xd503233f
+#define AARCH64_PACIBSP 0xd503237f
+#define AARCH64_BTI_C 0xd503245f
+#define AARCH64_BTI_J 0xd503249f
+#define AARCH64_BTI_JC 0xd50324df
+
+/* True if the inserted stub does not break BTI compatibility. */
+
+static bool
+aarch64_bti_stub_p (bfd *input_bfd,
+ struct elf_aarch64_stub_hash_entry *stub_entry)
+{
+ /* Stubs without indirect branch are BTI compatible. */
+ if (stub_entry->stub_type != aarch64_stub_adrp_branch
+ && stub_entry->stub_type != aarch64_stub_long_branch)
+ return true;
+
+ /* Return true if the target instruction is compatible with BR x16. */
+
+ asection *section = stub_entry->target_section;
+ bfd_byte loc[4];
+ file_ptr off = stub_entry->target_value;
+ bfd_size_type count = sizeof (loc);
+
+ if (!bfd_get_section_contents (input_bfd, section, loc, off, count))
+ return false;
+
+ uint32_t insn = bfd_getl32 (loc);
+ if (!AARCH64_HINT (insn))
+ return false;
+ return insn == AARCH64_BTI_C
+ || insn == AARCH64_PACIASP
+ || insn == AARCH64_BTI_JC
+ || insn == AARCH64_BTI_J
+ || insn == AARCH64_PACIBSP;
+}
+
#define AARCH64_BITS(x, pos, n) (((x) >> (pos)) & ((1 << (n)) - 1))
#define AARCH64_RT(insn) AARCH64_BITS (insn, 0, 5)
For LD/ST pair instructions PAIR is TRUE, RT and RT2 are returned. */
-static bfd_boolean
+static bool
aarch64_mem_op_p (uint32_t insn, unsigned int *rt, unsigned int *rt2,
- bfd_boolean *pair, bfd_boolean *load)
+ bool *pair, bool *load)
{
uint32_t opcode;
unsigned int r;
/* Bail out quickly if INSN doesn't fall into the load-store
encoding space. */
if (!AARCH64_LDST (insn))
- return FALSE;
+ return false;
- *pair = FALSE;
- *load = FALSE;
+ *pair = false;
+ *load = false;
if (AARCH64_LDST_EX (insn))
{
*rt = AARCH64_RT (insn);
*rt2 = *rt;
if (AARCH64_BIT (insn, 21) == 1)
{
- *pair = TRUE;
+ *pair = true;
*rt2 = AARCH64_RT2 (insn);
}
*load = AARCH64_LD (insn);
- return TRUE;
+ return true;
}
else if (AARCH64_LDST_NAP (insn)
|| AARCH64_LDSTP_PI (insn)
|| AARCH64_LDSTP_O (insn)
|| AARCH64_LDSTP_PRE (insn))
{
- *pair = TRUE;
+ *pair = true;
*rt = AARCH64_RT (insn);
*rt2 = AARCH64_RT2 (insn);
*load = AARCH64_LD (insn);
- return TRUE;
+ return true;
}
else if (AARCH64_LDST_PCREL (insn)
|| AARCH64_LDST_UI (insn)
*rt = AARCH64_RT (insn);
*rt2 = *rt;
if (AARCH64_LDST_PCREL (insn))
- *load = TRUE;
+ *load = true;
opc = AARCH64_BITS (insn, 22, 2);
v = AARCH64_BIT (insn, 26);
opc_v = opc | (v << 2);
*load = (opc_v == 1 || opc_v == 2 || opc_v == 3
|| opc_v == 5 || opc_v == 7);
- return TRUE;
+ return true;
}
else if (AARCH64_LDST_SIMD_M (insn)
|| AARCH64_LDST_SIMD_M_PI (insn))
break;
default:
- return FALSE;
+ return false;
}
- return TRUE;
+ return true;
}
else if (AARCH64_LDST_SIMD_S (insn)
|| AARCH64_LDST_SIMD_S_PI (insn))
break;
default:
- return FALSE;
+ return false;
}
- return TRUE;
+ return true;
}
- return FALSE;
+ return false;
}
/* Return TRUE if INSN is multiply-accumulate. */
-static bfd_boolean
+static bool
aarch64_mlxl_p (uint32_t insn)
{
uint32_t op31 = AARCH64_OP31 (insn);
/* Exclude MUL instructions which are encoded as a multiple accumulate
with RA = XZR. */
&& AARCH64_RA (insn) != AARCH64_ZR)
- return TRUE;
+ return true;
- return FALSE;
+ return false;
}
/* Some early revisions of the Cortex-A53 have an erratum (835769) whereby
operation (INSN_2). Return TRUE if an erratum sequence is found, FALSE
if INSN_1 and INSN_2 are safe. */
-static bfd_boolean
+static bool
aarch64_erratum_sequence (uint32_t insn_1, uint32_t insn_2)
{
uint32_t rt;
uint32_t rn;
uint32_t rm;
uint32_t ra;
- bfd_boolean pair;
- bfd_boolean load;
+ bool pair;
+ bool load;
if (aarch64_mlxl_p (insn_2)
&& aarch64_mem_op_p (insn_1, &rt, &rt2, &pair, &load))
/* Any SIMD memory op is independent of the subsequent MLA
by definition of the erratum. */
if (AARCH64_BIT (insn_1, 26))
- return TRUE;
+ return true;
/* If not SIMD, check for integer memory ops and MLA relationship. */
rn = AARCH64_RN (insn_2);
if (load &&
(rt == rn || rt == rm || rt == ra
|| (pair && (rt2 == rn || rt2 == rm || rt2 == ra))))
- return FALSE;
+ return false;
/* We conservatively put out stubs for all other cases (including
writebacks). */
- return TRUE;
+ return true;
}
- return FALSE;
+ return false;
}
/* Used to order a list of mapping symbols by address. */
Return TRUE else FALSE on abnormal termination. */
-static bfd_boolean
+static bool
_bfd_aarch64_erratum_835769_scan (bfd *input_bfd,
struct bfd_link_info *info,
unsigned int *num_fixes_p)
unsigned int num_fixes = *num_fixes_p;
if (htab == NULL)
- return TRUE;
+ return true;
for (section = input_bfd->sections;
section != NULL;
if (elf_section_data (section)->this_hdr.contents != NULL)
contents = elf_section_data (section)->this_hdr.contents;
else if (! bfd_malloc_and_get_section (input_bfd, section, &contents))
- return FALSE;
+ return false;
sec_data = elf_aarch64_section_data (section);
- qsort (sec_data->map, sec_data->mapcount,
- sizeof (elf_aarch64_section_map), elf_aarch64_compare_mapping);
+ if (sec_data->mapcount)
+ qsort (sec_data->map, sec_data->mapcount,
+ sizeof (elf_aarch64_section_map), elf_aarch64_compare_mapping);
for (span = 0; span < sec_data->mapcount; span++)
{
struct elf_aarch64_stub_hash_entry *stub_entry;
char *stub_name = _bfd_aarch64_erratum_835769_stub_name (num_fixes);
if (! stub_name)
- return FALSE;
+ return false;
stub_entry = _bfd_aarch64_add_stub_entry_in_group (stub_name,
section,
htab);
if (! stub_entry)
- return FALSE;
+ return false;
stub_entry->stub_type = aarch64_stub_erratum_835769_veneer;
stub_entry->target_section = section;
*num_fixes_p = num_fixes;
- return TRUE;
+ return true;
}
/* Test if instruction INSN is ADRP. */
-static bfd_boolean
+static bool
_bfd_aarch64_adrp_p (uint32_t insn)
{
return ((insn & AARCH64_ADRP_OP_MASK) == AARCH64_ADRP_OP);
/* Helper predicate to look for cortex-a53 erratum 843419 sequence 1. */
-static bfd_boolean
+static bool
_bfd_aarch64_erratum_843419_sequence_p (uint32_t insn_1, uint32_t insn_2,
uint32_t insn_3)
{
uint32_t rt;
uint32_t rt2;
- bfd_boolean pair;
- bfd_boolean load;
+ bool pair;
+ bool load;
return (aarch64_mem_op_p (insn_2, &rt, &rt2, &pair, &load)
&& (!pair
instruction in the sequence.
*/
-static bfd_boolean
+static bool
_bfd_aarch64_erratum_843419_p (bfd_byte *contents, bfd_vma vma,
bfd_vma i, bfd_vma span_end,
bfd_vma *p_veneer_i)
uint32_t insn_1 = bfd_getl32 (contents + i);
if (!_bfd_aarch64_adrp_p (insn_1))
- return FALSE;
+ return false;
if (span_end < i + 12)
- return FALSE;
+ return false;
uint32_t insn_2 = bfd_getl32 (contents + i + 4);
uint32_t insn_3 = bfd_getl32 (contents + i + 8);
if ((vma & 0xfff) != 0xff8 && (vma & 0xfff) != 0xffc)
- return FALSE;
+ return false;
if (_bfd_aarch64_erratum_843419_sequence_p (insn_1, insn_2, insn_3))
{
*p_veneer_i = i + 8;
- return TRUE;
+ return true;
}
if (span_end < i + 16)
- return FALSE;
+ return false;
uint32_t insn_4 = bfd_getl32 (contents + i + 12);
if (_bfd_aarch64_erratum_843419_sequence_p (insn_1, insn_2, insn_4))
{
*p_veneer_i = i + 12;
- return TRUE;
+ return true;
}
- return FALSE;
+ return false;
}
/* Ignore non-stub sections. */
if (!strstr (section->name, STUB_SUFFIX))
continue;
- section->size = 0;
+
+ /* Add space for a branch. Add 8 bytes to keep section 8 byte aligned,
+ as long branch stubs contain a 64-bit address. */
+ section->size = 8;
}
bfd_hash_traverse (&htab->stub_hash_table, aarch64_size_one_stub, htab);
if (!strstr (section->name, STUB_SUFFIX))
continue;
- /* Add space for a branch. Add 8 bytes to keep section 8 byte aligned,
- as long branch stubs contain a 64-bit address. */
- if (section->size)
- section->size += 8;
+ /* Empty stub section. */
+ if (section->size == 8)
+ section->size = 0;
/* Ensure all stub sections have a size which is a multiple of
4096. This is important in order to ensure that the insertion
char *stub_name = bfd_malloc (len);
if (stub_name != NULL)
- snprintf (stub_name, len, "e843419@%04x_%08x_%" BFD_VMA_FMT "x",
+ snprintf (stub_name, len, "e843419@%04x_%08x_%" PRIx64,
input_section->owner->id,
input_section->id,
- offset);
+ (uint64_t) offset);
return stub_name;
}
Returns TRUE on success. */
-static bfd_boolean
+static bool
_bfd_aarch64_erratum_843419_fixup (uint32_t insn,
bfd_vma adrp_offset,
bfd_vma ldst_offset,
stub_name = _bfd_aarch64_erratum_843419_stub_name (section, ldst_offset);
if (stub_name == NULL)
- return FALSE;
+ return false;
stub_entry = aarch64_stub_hash_lookup (&htab->stub_hash_table, stub_name,
- FALSE, FALSE);
+ false, false);
if (stub_entry)
{
free (stub_name);
- return TRUE;
+ return true;
}
/* We always place an 843419 workaround veneer in the stub section
if (stub_entry == NULL)
{
free (stub_name);
- return FALSE;
+ return false;
}
stub_entry->adrp_offset = adrp_offset;
stub_entry->veneered_insn = insn;
stub_entry->output_name = stub_name;
- return TRUE;
+ return true;
}
Return TRUE on successful scan, FALSE on failure to scan.
*/
-static bfd_boolean
+static bool
_bfd_aarch64_erratum_843419_scan (bfd *input_bfd, asection *section,
struct bfd_link_info *info)
{
struct elf_aarch64_link_hash_table *htab = elf_aarch64_hash_table (info);
if (htab == NULL)
- return TRUE;
+ return true;
if (elf_section_type (section) != SHT_PROGBITS
|| (elf_section_flags (section) & SHF_EXECINSTR) == 0
|| (section->flags & SEC_EXCLUDE) != 0
|| (section->sec_info_type == SEC_INFO_TYPE_JUST_SYMS)
|| (section->output_section == bfd_abs_section_ptr))
- return TRUE;
+ return true;
do
{
if (elf_section_data (section)->this_hdr.contents != NULL)
contents = elf_section_data (section)->this_hdr.contents;
else if (! bfd_malloc_and_get_section (input_bfd, section, &contents))
- return FALSE;
+ return false;
sec_data = elf_aarch64_section_data (section);
- qsort (sec_data->map, sec_data->mapcount,
- sizeof (elf_aarch64_section_map), elf_aarch64_compare_mapping);
+ if (sec_data->mapcount)
+ qsort (sec_data->map, sec_data->mapcount,
+ sizeof (elf_aarch64_section_map), elf_aarch64_compare_mapping);
for (span = 0; span < sec_data->mapcount; span++)
{
if (!_bfd_aarch64_erratum_843419_fixup (insn, i, veneer_i,
section, info))
- return FALSE;
+ return false;
}
}
}
}
while (0);
- return TRUE;
+ return true;
}
-/* Determine and set the size of the stub section for a final link.
+/* Add stub entries for calls.
The basic idea here is to examine all the relocations looking for
PC-relative calls to a target that is unreachable with a "bl"
instruction. */
-bfd_boolean
+static bool
+_bfd_aarch64_add_call_stub_entries (bool *stub_changed, bfd *output_bfd,
+ struct bfd_link_info *info)
+{
+ struct elf_aarch64_link_hash_table *htab = elf_aarch64_hash_table (info);
+ bool need_bti = elf_aarch64_bti_p (output_bfd);
+ bfd *input_bfd;
+
+ for (input_bfd = info->input_bfds; input_bfd != NULL;
+ input_bfd = input_bfd->link.next)
+ {
+ Elf_Internal_Shdr *symtab_hdr;
+ asection *section;
+ Elf_Internal_Sym *local_syms = NULL;
+
+ if (!is_aarch64_elf (input_bfd)
+ || (input_bfd->flags & BFD_LINKER_CREATED) != 0)
+ continue;
+
+ /* We'll need the symbol table in a second. */
+ symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
+ if (symtab_hdr->sh_info == 0)
+ continue;
+
+ /* Walk over each section attached to the input bfd. */
+ for (section = input_bfd->sections;
+ section != NULL; section = section->next)
+ {
+ Elf_Internal_Rela *internal_relocs, *irelaend, *irela;
+
+ /* If there aren't any relocs, then there's nothing more to do. */
+ if ((section->flags & SEC_RELOC) == 0
+ || section->reloc_count == 0
+ || (section->flags & SEC_CODE) == 0)
+ continue;
+
+ /* If this section is a link-once section that will be
+ discarded, then don't create any stubs. */
+ if (section->output_section == NULL
+ || section->output_section->owner != output_bfd)
+ continue;
+
+ /* Get the relocs. */
+ internal_relocs
+ = _bfd_elf_link_read_relocs (input_bfd, section, NULL,
+ NULL, info->keep_memory);
+ if (internal_relocs == NULL)
+ goto error_ret_free_local;
+
+ /* Now examine each relocation. */
+ irela = internal_relocs;
+ irelaend = irela + section->reloc_count;
+ for (; irela < irelaend; irela++)
+ {
+ unsigned int r_type, r_indx;
+ enum elf_aarch64_stub_type stub_type;
+ struct elf_aarch64_stub_hash_entry *stub_entry;
+ struct elf_aarch64_stub_hash_entry *stub_entry_bti;
+ asection *sym_sec;
+ bfd_vma sym_value;
+ bfd_vma destination;
+ struct elf_aarch64_link_hash_entry *hash;
+ const char *sym_name;
+ char *stub_name;
+ char *stub_name_bti;
+ const asection *id_sec;
+ const asection *id_sec_bti;
+ unsigned char st_type;
+ bfd_size_type len;
+
+ r_type = ELFNN_R_TYPE (irela->r_info);
+ r_indx = ELFNN_R_SYM (irela->r_info);
+
+ if (r_type >= (unsigned int) R_AARCH64_end)
+ {
+ bfd_set_error (bfd_error_bad_value);
+ error_ret_free_internal:
+ if (elf_section_data (section)->relocs == NULL)
+ free (internal_relocs);
+ goto error_ret_free_local;
+ }
+
+ /* Only look for stubs on unconditional branch and
+ branch and link instructions. */
+ if (r_type != (unsigned int) AARCH64_R (CALL26)
+ && r_type != (unsigned int) AARCH64_R (JUMP26))
+ continue;
+
+ /* Now determine the call target, its name, value,
+ section. */
+ sym_sec = NULL;
+ sym_value = 0;
+ destination = 0;
+ hash = NULL;
+ sym_name = NULL;
+ if (r_indx < symtab_hdr->sh_info)
+ {
+ /* It's a local symbol. */
+ Elf_Internal_Sym *sym;
+ Elf_Internal_Shdr *hdr;
+
+ if (local_syms == NULL)
+ {
+ local_syms
+ = (Elf_Internal_Sym *) symtab_hdr->contents;
+ if (local_syms == NULL)
+ local_syms
+ = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
+ symtab_hdr->sh_info, 0,
+ NULL, NULL, NULL);
+ if (local_syms == NULL)
+ goto error_ret_free_internal;
+ }
+
+ sym = local_syms + r_indx;
+ hdr = elf_elfsections (input_bfd)[sym->st_shndx];
+ sym_sec = hdr->bfd_section;
+ if (!sym_sec)
+ /* This is an undefined symbol. It can never
+ be resolved. */
+ continue;
+
+ if (ELF_ST_TYPE (sym->st_info) != STT_SECTION)
+ sym_value = sym->st_value;
+ destination = (sym_value + irela->r_addend
+ + sym_sec->output_offset
+ + sym_sec->output_section->vma);
+ st_type = ELF_ST_TYPE (sym->st_info);
+ sym_name
+ = bfd_elf_string_from_elf_section (input_bfd,
+ symtab_hdr->sh_link,
+ sym->st_name);
+ }
+ else
+ {
+ int e_indx;
+
+ e_indx = r_indx - symtab_hdr->sh_info;
+ hash = ((struct elf_aarch64_link_hash_entry *)
+ elf_sym_hashes (input_bfd)[e_indx]);
+
+ while (hash->root.root.type == bfd_link_hash_indirect
+ || hash->root.root.type == bfd_link_hash_warning)
+ hash = ((struct elf_aarch64_link_hash_entry *)
+ hash->root.root.u.i.link);
+
+ if (hash->root.root.type == bfd_link_hash_defined
+ || hash->root.root.type == bfd_link_hash_defweak)
+ {
+ struct elf_aarch64_link_hash_table *globals =
+ elf_aarch64_hash_table (info);
+ sym_sec = hash->root.root.u.def.section;
+ sym_value = hash->root.root.u.def.value;
+ /* For a destination in a shared library,
+ use the PLT stub as target address to
+ decide whether a branch stub is
+ needed. */
+ if (globals->root.splt != NULL && hash != NULL
+ && hash->root.plt.offset != (bfd_vma) - 1)
+ {
+ sym_sec = globals->root.splt;
+ sym_value = hash->root.plt.offset;
+ if (sym_sec->output_section != NULL)
+ destination = (sym_value
+ + sym_sec->output_offset
+ + sym_sec->output_section->vma);
+ }
+ else if (sym_sec->output_section != NULL)
+ destination = (sym_value + irela->r_addend
+ + sym_sec->output_offset
+ + sym_sec->output_section->vma);
+ }
+ else if (hash->root.root.type == bfd_link_hash_undefined
+ || (hash->root.root.type
+ == bfd_link_hash_undefweak))
+ {
+ /* For a shared library, use the PLT stub as
+ target address to decide whether a long
+ branch stub is needed.
+ For absolute code, they cannot be handled. */
+ struct elf_aarch64_link_hash_table *globals =
+ elf_aarch64_hash_table (info);
+
+ if (globals->root.splt != NULL && hash != NULL
+ && hash->root.plt.offset != (bfd_vma) - 1)
+ {
+ sym_sec = globals->root.splt;
+ sym_value = hash->root.plt.offset;
+ if (sym_sec->output_section != NULL)
+ destination = (sym_value
+ + sym_sec->output_offset
+ + sym_sec->output_section->vma);
+ }
+ else
+ continue;
+ }
+ else
+ {
+ bfd_set_error (bfd_error_bad_value);
+ goto error_ret_free_internal;
+ }
+ st_type = ELF_ST_TYPE (hash->root.type);
+ sym_name = hash->root.root.root.string;
+ }
+
+ /* Determine what (if any) linker stub is needed. */
+ stub_type = aarch64_type_of_stub (section, irela, sym_sec,
+ st_type, destination);
+ if (stub_type == aarch64_stub_none)
+ continue;
+
+ /* Support for grouping stub sections. */
+ id_sec = htab->stub_group[section->id].link_sec;
+
+ /* Get the name of this stub. */
+ stub_name = elfNN_aarch64_stub_name (id_sec, sym_sec, hash,
+ irela);
+ if (!stub_name)
+ goto error_ret_free_internal;
+
+ stub_entry =
+ aarch64_stub_hash_lookup (&htab->stub_hash_table,
+ stub_name, false, false);
+ if (stub_entry != NULL)
+ {
+ /* The proper stub has already been created. */
+ free (stub_name);
+
+ /* Always update this stub's target since it may have
+ changed after layout. */
+ stub_entry->target_value = sym_value + irela->r_addend;
+
+ if (stub_entry->double_stub)
+ {
+ /* Update the target of both stubs. */
+
+ id_sec_bti = htab->stub_group[sym_sec->id].link_sec;
+ stub_name_bti =
+ elfNN_aarch64_stub_name (id_sec_bti, sym_sec, hash,
+ irela);
+ if (!stub_name_bti)
+ goto error_ret_free_internal;
+ stub_entry_bti =
+ aarch64_stub_hash_lookup (&htab->stub_hash_table,
+ stub_name_bti, false, false);
+ BFD_ASSERT (stub_entry_bti != NULL);
+ free (stub_name_bti);
+ stub_entry_bti->target_value = stub_entry->target_value;
+ stub_entry->target_value = stub_entry_bti->stub_offset;
+ }
+ continue;
+ }
+
+ stub_entry = _bfd_aarch64_add_stub_entry_in_group
+ (stub_name, section, htab);
+ if (stub_entry == NULL)
+ {
+ free (stub_name);
+ goto error_ret_free_internal;
+ }
+
+ stub_entry->target_value = sym_value + irela->r_addend;
+ stub_entry->target_section = sym_sec;
+ stub_entry->stub_type = stub_type;
+ stub_entry->h = hash;
+ stub_entry->st_type = st_type;
+
+ if (sym_name == NULL)
+ sym_name = "unnamed";
+ len = sizeof (STUB_ENTRY_NAME) + strlen (sym_name);
+ stub_entry->output_name = bfd_alloc (htab->stub_bfd, len);
+ if (stub_entry->output_name == NULL)
+ {
+ free (stub_name);
+ goto error_ret_free_internal;
+ }
+
+ snprintf (stub_entry->output_name, len, STUB_ENTRY_NAME,
+ sym_name);
+
+ /* A stub with indirect jump may break BTI compatibility, so
+ insert another stub with direct jump near the target then. */
+ if (need_bti && !aarch64_bti_stub_p (input_bfd, stub_entry))
+ {
+ stub_entry->double_stub = true;
+ htab->has_double_stub = true;
+ id_sec_bti = htab->stub_group[sym_sec->id].link_sec;
+ stub_name_bti =
+ elfNN_aarch64_stub_name (id_sec_bti, sym_sec, hash, irela);
+ if (!stub_name_bti)
+ {
+ free (stub_name);
+ goto error_ret_free_internal;
+ }
+
+ stub_entry_bti =
+ aarch64_stub_hash_lookup (&htab->stub_hash_table,
+ stub_name_bti, false, false);
+ if (stub_entry_bti == NULL)
+ stub_entry_bti =
+ _bfd_aarch64_add_stub_entry_in_group (stub_name_bti,
+ sym_sec, htab);
+ if (stub_entry_bti == NULL)
+ {
+ free (stub_name);
+ free (stub_name_bti);
+ goto error_ret_free_internal;
+ }
+
+ stub_entry_bti->target_value = sym_value + irela->r_addend;
+ stub_entry_bti->target_section = sym_sec;
+ stub_entry_bti->stub_type = aarch64_stub_bti_direct_branch;
+ stub_entry_bti->h = hash;
+ stub_entry_bti->st_type = st_type;
+
+ len = sizeof (BTI_STUB_ENTRY_NAME) + strlen (sym_name);
+ stub_entry_bti->output_name = bfd_alloc (htab->stub_bfd, len);
+ if (stub_entry_bti->output_name == NULL)
+ {
+ free (stub_name);
+ free (stub_name_bti);
+ goto error_ret_free_internal;
+ }
+ snprintf (stub_entry_bti->output_name, len,
+ BTI_STUB_ENTRY_NAME, sym_name);
+
+ /* Update the indirect call stub to target the BTI stub. */
+ stub_entry->target_value = 0;
+ stub_entry->target_section = stub_entry_bti->stub_sec;
+ stub_entry->stub_type = stub_type;
+ stub_entry->h = NULL;
+ stub_entry->st_type = STT_FUNC;
+ }
+
+ *stub_changed = true;
+ }
+
+ /* We're done with the internal relocs, free them. */
+ if (elf_section_data (section)->relocs == NULL)
+ free (internal_relocs);
+ }
+ }
+ return true;
+ error_ret_free_local:
+ return false;
+}
+
+
+/* Determine and set the size of the stub section for a final link. */
+
+bool
elfNN_aarch64_size_stubs (bfd *output_bfd,
bfd *stub_bfd,
struct bfd_link_info *info,
void (*layout_sections_again) (void))
{
bfd_size_type stub_group_size;
- bfd_boolean stubs_always_before_branch;
- bfd_boolean stub_changed = FALSE;
+ bool stubs_always_before_branch;
struct elf_aarch64_link_hash_table *htab = elf_aarch64_hash_table (info);
unsigned int num_erratum_835769_fixes = 0;
if (!_bfd_aarch64_erratum_835769_scan (input_bfd, info,
&num_erratum_835769_fixes))
- return FALSE;
+ return false;
}
_bfd_aarch64_resize_stubs (htab);
section != NULL;
section = section->next)
if (!_bfd_aarch64_erratum_843419_scan (input_bfd, section, info))
- return FALSE;
+ return false;
}
_bfd_aarch64_resize_stubs (htab);
(*htab->layout_sections_again) ();
}
- while (1)
+ for (;;)
{
- bfd *input_bfd;
-
- for (input_bfd = info->input_bfds;
- input_bfd != NULL; input_bfd = input_bfd->link.next)
- {
- Elf_Internal_Shdr *symtab_hdr;
- asection *section;
- Elf_Internal_Sym *local_syms = NULL;
-
- if (!is_aarch64_elf (input_bfd)
- || (input_bfd->flags & BFD_LINKER_CREATED) != 0)
- continue;
-
- /* We'll need the symbol table in a second. */
- symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
- if (symtab_hdr->sh_info == 0)
- continue;
-
- /* Walk over each section attached to the input bfd. */
- for (section = input_bfd->sections;
- section != NULL; section = section->next)
- {
- Elf_Internal_Rela *internal_relocs, *irelaend, *irela;
-
- /* If there aren't any relocs, then there's nothing more
- to do. */
- if ((section->flags & SEC_RELOC) == 0
- || section->reloc_count == 0
- || (section->flags & SEC_CODE) == 0)
- continue;
-
- /* If this section is a link-once section that will be
- discarded, then don't create any stubs. */
- if (section->output_section == NULL
- || section->output_section->owner != output_bfd)
- continue;
-
- /* Get the relocs. */
- internal_relocs
- = _bfd_elf_link_read_relocs (input_bfd, section, NULL,
- NULL, info->keep_memory);
- if (internal_relocs == NULL)
- goto error_ret_free_local;
-
- /* Now examine each relocation. */
- irela = internal_relocs;
- irelaend = irela + section->reloc_count;
- for (; irela < irelaend; irela++)
- {
- unsigned int r_type, r_indx;
- enum elf_aarch64_stub_type stub_type;
- struct elf_aarch64_stub_hash_entry *stub_entry;
- asection *sym_sec;
- bfd_vma sym_value;
- bfd_vma destination;
- struct elf_aarch64_link_hash_entry *hash;
- const char *sym_name;
- char *stub_name;
- const asection *id_sec;
- unsigned char st_type;
- bfd_size_type len;
-
- r_type = ELFNN_R_TYPE (irela->r_info);
- r_indx = ELFNN_R_SYM (irela->r_info);
-
- if (r_type >= (unsigned int) R_AARCH64_end)
- {
- bfd_set_error (bfd_error_bad_value);
- error_ret_free_internal:
- if (elf_section_data (section)->relocs == NULL)
- free (internal_relocs);
- goto error_ret_free_local;
- }
-
- /* Only look for stubs on unconditional branch and
- branch and link instructions. */
- if (r_type != (unsigned int) AARCH64_R (CALL26)
- && r_type != (unsigned int) AARCH64_R (JUMP26))
- continue;
-
- /* Now determine the call target, its name, value,
- section. */
- sym_sec = NULL;
- sym_value = 0;
- destination = 0;
- hash = NULL;
- sym_name = NULL;
- if (r_indx < symtab_hdr->sh_info)
- {
- /* It's a local symbol. */
- Elf_Internal_Sym *sym;
- Elf_Internal_Shdr *hdr;
-
- if (local_syms == NULL)
- {
- local_syms
- = (Elf_Internal_Sym *) symtab_hdr->contents;
- if (local_syms == NULL)
- local_syms
- = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
- symtab_hdr->sh_info, 0,
- NULL, NULL, NULL);
- if (local_syms == NULL)
- goto error_ret_free_internal;
- }
-
- sym = local_syms + r_indx;
- hdr = elf_elfsections (input_bfd)[sym->st_shndx];
- sym_sec = hdr->bfd_section;
- if (!sym_sec)
- /* This is an undefined symbol. It can never
- be resolved. */
- continue;
-
- if (ELF_ST_TYPE (sym->st_info) != STT_SECTION)
- sym_value = sym->st_value;
- destination = (sym_value + irela->r_addend
- + sym_sec->output_offset
- + sym_sec->output_section->vma);
- st_type = ELF_ST_TYPE (sym->st_info);
- sym_name
- = bfd_elf_string_from_elf_section (input_bfd,
- symtab_hdr->sh_link,
- sym->st_name);
- }
- else
- {
- int e_indx;
-
- e_indx = r_indx - symtab_hdr->sh_info;
- hash = ((struct elf_aarch64_link_hash_entry *)
- elf_sym_hashes (input_bfd)[e_indx]);
+ bool stub_changed = false;
- while (hash->root.root.type == bfd_link_hash_indirect
- || hash->root.root.type == bfd_link_hash_warning)
- hash = ((struct elf_aarch64_link_hash_entry *)
- hash->root.root.u.i.link);
-
- if (hash->root.root.type == bfd_link_hash_defined
- || hash->root.root.type == bfd_link_hash_defweak)
- {
- struct elf_aarch64_link_hash_table *globals =
- elf_aarch64_hash_table (info);
- sym_sec = hash->root.root.u.def.section;
- sym_value = hash->root.root.u.def.value;
- /* For a destination in a shared library,
- use the PLT stub as target address to
- decide whether a branch stub is
- needed. */
- if (globals->root.splt != NULL && hash != NULL
- && hash->root.plt.offset != (bfd_vma) - 1)
- {
- sym_sec = globals->root.splt;
- sym_value = hash->root.plt.offset;
- if (sym_sec->output_section != NULL)
- destination = (sym_value
- + sym_sec->output_offset
- +
- sym_sec->output_section->vma);
- }
- else if (sym_sec->output_section != NULL)
- destination = (sym_value + irela->r_addend
- + sym_sec->output_offset
- + sym_sec->output_section->vma);
- }
- else if (hash->root.root.type == bfd_link_hash_undefined
- || (hash->root.root.type
- == bfd_link_hash_undefweak))
- {
- /* For a shared library, use the PLT stub as
- target address to decide whether a long
- branch stub is needed.
- For absolute code, they cannot be handled. */
- struct elf_aarch64_link_hash_table *globals =
- elf_aarch64_hash_table (info);
-
- if (globals->root.splt != NULL && hash != NULL
- && hash->root.plt.offset != (bfd_vma) - 1)
- {
- sym_sec = globals->root.splt;
- sym_value = hash->root.plt.offset;
- if (sym_sec->output_section != NULL)
- destination = (sym_value
- + sym_sec->output_offset
- +
- sym_sec->output_section->vma);
- }
- else
- continue;
- }
- else
- {
- bfd_set_error (bfd_error_bad_value);
- goto error_ret_free_internal;
- }
- st_type = ELF_ST_TYPE (hash->root.type);
- sym_name = hash->root.root.root.string;
- }
-
- /* Determine what (if any) linker stub is needed. */
- stub_type = aarch64_type_of_stub (section, irela, sym_sec,
- st_type, destination);
- if (stub_type == aarch64_stub_none)
- continue;
-
- /* Support for grouping stub sections. */
- id_sec = htab->stub_group[section->id].link_sec;
-
- /* Get the name of this stub. */
- stub_name = elfNN_aarch64_stub_name (id_sec, sym_sec, hash,
- irela);
- if (!stub_name)
- goto error_ret_free_internal;
-
- stub_entry =
- aarch64_stub_hash_lookup (&htab->stub_hash_table,
- stub_name, FALSE, FALSE);
- if (stub_entry != NULL)
- {
- /* The proper stub has already been created. */
- free (stub_name);
- /* Always update this stub's target since it may have
- changed after layout. */
- stub_entry->target_value = sym_value + irela->r_addend;
- continue;
- }
-
- stub_entry = _bfd_aarch64_add_stub_entry_in_group
- (stub_name, section, htab);
- if (stub_entry == NULL)
- {
- free (stub_name);
- goto error_ret_free_internal;
- }
-
- stub_entry->target_value = sym_value + irela->r_addend;
- stub_entry->target_section = sym_sec;
- stub_entry->stub_type = stub_type;
- stub_entry->h = hash;
- stub_entry->st_type = st_type;
-
- if (sym_name == NULL)
- sym_name = "unnamed";
- len = sizeof (STUB_ENTRY_NAME) + strlen (sym_name);
- stub_entry->output_name = bfd_alloc (htab->stub_bfd, len);
- if (stub_entry->output_name == NULL)
- {
- free (stub_name);
- goto error_ret_free_internal;
- }
-
- snprintf (stub_entry->output_name, len, STUB_ENTRY_NAME,
- sym_name);
-
- stub_changed = TRUE;
- }
-
- /* We're done with the internal relocs, free them. */
- if (elf_section_data (section)->relocs == NULL)
- free (internal_relocs);
- }
- }
+ if (!_bfd_aarch64_add_call_stub_entries (&stub_changed, output_bfd, info))
+ return false;
if (!stub_changed)
- break;
+ return true;
_bfd_aarch64_resize_stubs (htab);
-
- /* Ask the linker to do its stuff. */
(*htab->layout_sections_again) ();
- stub_changed = FALSE;
}
-
- return TRUE;
-
- error_ret_free_local:
- return FALSE;
}
/* Build all the stubs associated with the current output file. The
functions here. This function is called via aarch64_elf_finish in the
linker. */
-bfd_boolean
+bool
elfNN_aarch64_build_stubs (struct bfd_link_info *info)
{
asection *stub_sec;
size = stub_sec->size;
stub_sec->contents = bfd_zalloc (htab->stub_bfd, size);
if (stub_sec->contents == NULL && size != 0)
- return FALSE;
+ return false;
stub_sec->size = 0;
/* Add a branch around the stub section, and a nop, to keep it 8 byte
table = &htab->stub_hash_table;
bfd_hash_traverse (table, aarch64_build_one_stub, info);
- return TRUE;
+ return true;
}
struct elf_aarch64_link_hash_table
*globals, struct bfd_link_info *info,
bfd_vma value, bfd *output_bfd,
- bfd_boolean *unresolved_reloc_p)
+ bool *unresolved_reloc_p)
{
bfd_vma off = (bfd_vma) - 1;
asection *basegot = globals->root.sgot;
- bfd_boolean dyn = globals->root.dynamic_sections_created;
+ bool dyn = globals->root.dynamic_sections_created;
if (h != NULL)
{
}
}
else
- *unresolved_reloc_p = FALSE;
+ *unresolved_reloc_p = false;
off = off + basegot->output_section->vma + basegot->output_offset;
}
static bfd_reloc_code_real_type
aarch64_tls_transition_without_check (bfd_reloc_code_real_type r_type,
- struct elf_link_hash_entry *h)
+ struct elf_link_hash_entry *h,
+ struct bfd_link_info *info)
{
- bfd_boolean is_local = h == NULL;
+ bool local_exec = bfd_link_executable (info)
+ && SYMBOL_REFERENCES_LOCAL (info, h);
switch (r_type)
{
case BFD_RELOC_AARCH64_TLSDESC_ADR_PAGE21:
case BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21:
- return (is_local
+ return (local_exec
? BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1
: BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21);
case BFD_RELOC_AARCH64_TLSDESC_ADR_PREL21:
- return (is_local
+ return (local_exec
? BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0_NC
: r_type);
case BFD_RELOC_AARCH64_TLSDESC_LD_PREL19:
- return (is_local
+ return (local_exec
? BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1
: BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19);
case BFD_RELOC_AARCH64_TLSDESC_LDR:
- return (is_local
+ return (local_exec
? BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0_NC
: BFD_RELOC_AARCH64_NONE);
case BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC:
- return (is_local
+ return (local_exec
? BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1_NC
: BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC);
case BFD_RELOC_AARCH64_TLSDESC_OFF_G1:
- return (is_local
+ return (local_exec
? BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G2
: BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1);
case BFD_RELOC_AARCH64_TLSDESC_LDNN_LO12_NC:
case BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC:
- return (is_local
+ return (local_exec
? BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0_NC
: BFD_RELOC_AARCH64_TLSIE_LDNN_GOTTPREL_LO12_NC);
case BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21:
- return is_local ? BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1 : r_type;
+ return local_exec ? BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1 : r_type;
case BFD_RELOC_AARCH64_TLSIE_LDNN_GOTTPREL_LO12_NC:
- return is_local ? BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0_NC : r_type;
+ return local_exec ? BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0_NC : r_type;
case BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19:
return r_type;
case BFD_RELOC_AARCH64_TLSGD_ADR_PREL21:
- return (is_local
+ return (local_exec
? BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_HI12
: BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19);
case BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21:
case BFD_RELOC_AARCH64_TLSLD_ADR_PREL21:
- return is_local ? BFD_RELOC_AARCH64_NONE : r_type;
+ return local_exec ? BFD_RELOC_AARCH64_NONE : r_type;
#if ARCH_SIZE == 64
case BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC:
- return is_local
+ return local_exec
? BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1_NC
: BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC;
case BFD_RELOC_AARCH64_TLSGD_MOVW_G1:
- return is_local
+ return local_exec
? BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G2
: BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1;
#endif
return GOT_UNKNOWN;
}
-static bfd_boolean
+static bool
aarch64_can_relax_tls (bfd *input_bfd,
struct bfd_link_info *info,
bfd_reloc_code_real_type r_type,
unsigned int reloc_got_type;
if (! IS_AARCH64_TLS_RELAX_RELOC (r_type))
- return FALSE;
+ return false;
symbol_got_type = elfNN_aarch64_symbol_got_type (h, input_bfd, r_symndx);
reloc_got_type = aarch64_reloc_got_type (r_type);
if (symbol_got_type == GOT_TLS_IE && GOT_TLS_GD_ANY_P (reloc_got_type))
- return TRUE;
+ return true;
if (!bfd_link_executable (info))
- return FALSE;
+ return false;
if (h && h->root.type == bfd_link_hash_undefweak)
- return FALSE;
+ return false;
- return TRUE;
+ return true;
}
/* Given the relocation code R_TYPE, return the relaxed bfd reloc
if (! aarch64_can_relax_tls (input_bfd, info, bfd_r_type, h, r_symndx))
return bfd_r_type;
- return aarch64_tls_transition_without_check (bfd_r_type, h);
+ return aarch64_tls_transition_without_check (bfd_r_type, h, info);
}
/* Return the base VMA address which should be subtracted from real addresses
/* Helper to insert branches to erratum 835769 stubs in the right
places for a particular section. */
-static bfd_boolean
+static bool
make_branch_to_erratum_835769_stub (struct bfd_hash_entry *gen_entry,
void *in_arg)
{
if (stub_entry->target_section != data->output_section
|| stub_entry->stub_type != aarch64_stub_erratum_835769_veneer)
- return TRUE;
+ return true;
contents = data->contents;
veneered_insn_loc = stub_entry->target_section->output_section->vma
branch_insn |= branch_offset;
bfd_putl32 (branch_insn, &contents[target]);
- return TRUE;
+ return true;
}
-static bfd_boolean
+static bool
_bfd_aarch64_erratum_843419_branch_to_stub (struct bfd_hash_entry *gen_entry,
void *in_arg)
{
if (stub_entry->target_section != section
|| stub_entry->stub_type != aarch64_stub_erratum_843419_veneer)
- return TRUE;
+ return true;
BFD_ASSERT (((htab->fix_erratum_843419 & ERRAT_ADRP) && stub_entry->stub_sec)
|| (htab->fix_erratum_843419 & ERRAT_ADR));
{
abfd = stub_entry->target_section->owner;
_bfd_error_handler
- (_("%pB: error: erratum 843419 immediate 0x%" BFD_VMA_FMT "x "
- "out of range for ADR (input file too large) and "
+ (_("%pB: error: erratum 843419 immediate 0x%" PRIx64
+ " out of range for ADR (input file too large) and "
"--fix-cortex-a53-843419=adr used. Run the linker with "
- "--fix-cortex-a53-843419=full instead"), abfd, imm);
+ "--fix-cortex-a53-843419=full instead"),
+ abfd, (uint64_t) (bfd_vma) imm);
bfd_set_error (bfd_error_bad_value);
/* This function is called inside a hashtable traversal and the error
handlers called above turn into non-fatal errors. Which means this
To prevent this, issue a hard abort. */
BFD_FAIL ();
}
- return TRUE;
+ return true;
}
-static bfd_boolean
+static bool
elfNN_aarch64_write_section (bfd *output_bfd ATTRIBUTE_UNUSED,
struct bfd_link_info *link_info,
asection *sec,
elf_aarch64_hash_table (link_info);
if (globals == NULL)
- return FALSE;
+ return false;
/* Fix code to point to erratum 835769 stubs. */
if (globals->fix_erratum_835769)
_bfd_aarch64_erratum_843419_branch_to_stub, &data);
}
- return FALSE;
+ return false;
}
/* Return TRUE if RELOC is a relocation against the base of GOT table. */
-static bfd_boolean
+static bool
aarch64_relocation_aginst_gp_p (bfd_reloc_code_real_type reloc)
{
return (reloc == BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14
struct bfd_link_info *info,
asection *sym_sec,
struct elf_link_hash_entry *h,
- bfd_boolean *unresolved_reloc_p,
- bfd_boolean save_addend,
+ bool *unresolved_reloc_p,
+ bool save_addend,
bfd_vma *saved_addend,
Elf_Internal_Sym *sym)
{
bfd_vma place, off, got_entry_addr = 0;
bfd_signed_vma signed_addend;
struct elf_aarch64_link_hash_table *globals;
- bfd_boolean weak_undef_p;
- bfd_boolean relative_reloc;
+ bool weak_undef_p;
+ bool relative_reloc;
asection *base_got;
bfd_vma orig_value = value;
- bfd_boolean resolved_to_zero;
- bfd_boolean abs_symbol_p;
+ bool resolved_to_zero;
+ bool abs_symbol_p;
globals = elf_aarch64_hash_table (info);
/* xgettext:c-format */
(_("%pB: relocation %s against STT_GNU_IFUNC "
"symbol `%s' isn't handled by %s"), input_bfd,
- howto->name, name, __FUNCTION__);
+ howto->name, name, __func__);
bfd_set_error (bfd_error_bad_value);
return bfd_reloc_notsupported;
case BFD_RELOC_AARCH64_TLSDESC_ADD:
case BFD_RELOC_AARCH64_TLSDESC_CALL:
case BFD_RELOC_AARCH64_TLSDESC_LDR:
- *unresolved_reloc_p = FALSE;
+ *unresolved_reloc_p = false;
return bfd_reloc_ok;
case BFD_RELOC_AARCH64_NN:
{
Elf_Internal_Rela outrel;
bfd_byte *loc;
- bfd_boolean skip, relocate;
+ bool skip, relocate;
asection *sreloc;
- *unresolved_reloc_p = FALSE;
+ *unresolved_reloc_p = false;
- skip = FALSE;
- relocate = FALSE;
+ skip = false;
+ relocate = false;
outrel.r_addend = signed_addend;
outrel.r_offset =
_bfd_elf_section_offset (output_bfd, info, input_section,
rel->r_offset);
if (outrel.r_offset == (bfd_vma) - 1)
- skip = TRUE;
+ skip = true;
else if (outrel.r_offset == (bfd_vma) - 2)
{
- skip = TRUE;
- relocate = TRUE;
+ skip = true;
+ relocate = true;
}
else if (abs_symbol_p)
{
relocate the text and data segments independently,
so the symbol does not matter. */
symbol = 0;
- relocate = globals->no_apply_dynamic_relocs ? FALSE : TRUE;
+ relocate = !globals->no_apply_dynamic_relocs;
outrel.r_info = ELFNN_R_INFO (symbol, AARCH64_R (RELATIVE));
outrel.r_addend += value;
}
case BFD_RELOC_AARCH64_JUMP26:
{
asection *splt = globals->root.splt;
- bfd_boolean via_plt_p =
+ bool via_plt_p =
splt != NULL && h != NULL && h->plt.offset != (bfd_vma) - 1;
/* A call to an undefined weak symbol is converted to a jump to
value = _bfd_aarch64_elf_resolve_relocation (input_bfd, bfd_r_type,
place, value,
signed_addend, weak_undef_p);
- *unresolved_reloc_p = FALSE;
+ *unresolved_reloc_p = false;
break;
case BFD_RELOC_AARCH64_16_PCREL:
if (bfd_link_pic (info)
&& (input_section->flags & SEC_ALLOC) != 0
&& (input_section->flags & SEC_READONLY) != 0
- && !SYMBOL_REFERENCES_LOCAL (info, h))
+ && !_bfd_elf_symbol_refs_local_p (h, info, 1))
{
int howto_index = bfd_r_type - BFD_RELOC_AARCH64_RELOC_START;
bfd_set_error (bfd_error_bad_value);
return bfd_reloc_notsupported;
}
+ value = _bfd_aarch64_elf_resolve_relocation (input_bfd, bfd_r_type,
+ place, value,
+ signed_addend,
+ weak_undef_p);
+ break;
+
+ case BFD_RELOC_AARCH64_BRANCH19:
+ case BFD_RELOC_AARCH64_TSTBR14:
+ if (h && h->root.type == bfd_link_hash_undefined)
+ {
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%pB: conditional branch to undefined symbol `%s' "
+ "not allowed"), input_bfd, h->root.root.string);
+ bfd_set_error (bfd_error_bad_value);
+ return bfd_reloc_notsupported;
+ }
/* Fall through. */
case BFD_RELOC_AARCH64_16:
case BFD_RELOC_AARCH64_32:
#endif
case BFD_RELOC_AARCH64_ADD_LO12:
- case BFD_RELOC_AARCH64_BRANCH19:
case BFD_RELOC_AARCH64_LDST128_LO12:
case BFD_RELOC_AARCH64_LDST16_LO12:
case BFD_RELOC_AARCH64_LDST32_LO12:
case BFD_RELOC_AARCH64_MOVW_G2_NC:
case BFD_RELOC_AARCH64_MOVW_G2_S:
case BFD_RELOC_AARCH64_MOVW_G3:
- case BFD_RELOC_AARCH64_TSTBR14:
value = _bfd_aarch64_elf_resolve_relocation (input_bfd, bfd_r_type,
place, value,
signed_addend, weak_undef_p);
if (globals->root.sgot == NULL)
BFD_ASSERT (h != NULL);
- relative_reloc = FALSE;
+ relative_reloc = false;
if (h != NULL)
{
bfd_vma addend = 0;
&& h->root.type != bfd_link_hash_undefweak
&& bfd_link_pic (info)
&& !symbol_got_offset_mark_p (input_bfd, h, r_symndx))
- relative_reloc = TRUE;
+ relative_reloc = true;
value = aarch64_calculate_got_entry_vma (h, globals, info, value,
output_bfd,
base address. So, we need to generate a R_AARCH64_RELATIVE reloc
for dynamic linker. */
if (bfd_link_pic (info))
- relative_reloc = TRUE;
+ relative_reloc = true;
symbol_got_offset_mark (input_bfd, h, r_symndx);
}
value = _bfd_aarch64_elf_resolve_relocation (input_bfd, bfd_r_type,
place, value,
0, weak_undef_p);
- *unresolved_reloc_p = FALSE;
+ *unresolved_reloc_p = false;
break;
case BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC:
value = _bfd_aarch64_elf_resolve_relocation (input_bfd, bfd_r_type,
place, value,
0, weak_undef_p);
- *unresolved_reloc_p = FALSE;
+ *unresolved_reloc_p = false;
break;
case BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_HI12:
value = _bfd_aarch64_elf_resolve_relocation (input_bfd, bfd_r_type,
place, value,
def_value, weak_undef_p);
- *unresolved_reloc_p = FALSE;
+ *unresolved_reloc_p = false;
break;
}
value = _bfd_aarch64_elf_resolve_relocation (input_bfd, bfd_r_type,
place, value,
0, weak_undef_p);
- *unresolved_reloc_p = FALSE;
+ *unresolved_reloc_p = false;
break;
case BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC:
value = _bfd_aarch64_elf_resolve_relocation (input_bfd, bfd_r_type,
place, value,
0, weak_undef_p);
- *unresolved_reloc_p = FALSE;
+ *unresolved_reloc_p = false;
break;
default:
section inside IN_ARG matches. The clearing is done by setting the
stub_type to none. */
-static bfd_boolean
+static bool
_bfd_aarch64_erratum_843419_clear_stub (struct bfd_hash_entry *gen_entry,
void *in_arg)
{
if (stub_entry->target_section != data->output_section
|| stub_entry->stub_type != aarch64_stub_erratum_843419_veneer
|| stub_entry->adrp_offset != data->adrp_offset)
- return TRUE;
+ return true;
/* Change the stub type instead of removing the entry, removing from the hash
table would be slower and we have already reserved the memory for the entry
/* We're done and there could have been only one matching stub at that
particular offset, so abort further traversal. */
- return FALSE;
+ return false;
}
/* TLS Relaxations may relax an adrp sequence that matches the erratum 843419
elfNN_aarch64_tls_relax (struct elf_aarch64_link_hash_table *globals,
bfd *input_bfd, asection *input_section,
bfd_byte *contents, Elf_Internal_Rela *rel,
- struct elf_link_hash_entry *h)
+ struct elf_link_hash_entry *h,
+ struct bfd_link_info *info)
{
- bfd_boolean is_local = h == NULL;
+ bool local_exec = bfd_link_executable (info)
+ && SYMBOL_REFERENCES_LOCAL (info, h);
unsigned int r_type = ELFNN_R_TYPE (rel->r_info);
unsigned long insn;
{
case BFD_RELOC_AARCH64_TLSDESC_ADR_PAGE21:
case BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21:
- if (is_local)
+ if (local_exec)
{
/* GD->LE relaxation:
adrp x0, :tlsgd:var => movz R0, :tprel_g1:var
break;
case BFD_RELOC_AARCH64_TLSDESC_LD_PREL19:
- if (is_local)
+ if (local_exec)
{
/* Tiny TLSDESC->LE relaxation:
ldr x1, :tlsdesc:var => movz R0, #:tprel_g1:var
}
case BFD_RELOC_AARCH64_TLSGD_ADR_PREL21:
- if (is_local)
+ if (local_exec)
{
/* Tiny GD->LE relaxation:
adr x0, :tlsgd:var => mrs x1, tpidr_el0
BFD_ASSERT (rel->r_offset + 12 == rel[2].r_offset);
BFD_ASSERT (ELFNN_R_TYPE (rel[2].r_info) == AARCH64_R (CALL26));
- if (is_local)
+ if (local_exec)
{
/* Large GD->LE relaxation:
movz x0, #:tlsgd_g1:var => movz x0, #:tprel_g2:var, lsl #32
return bfd_reloc_continue;
case BFD_RELOC_AARCH64_TLSDESC_LDNN_LO12_NC:
- if (is_local)
+ if (local_exec)
{
/* GD->LE relaxation:
ldr xd, [x0, #:tlsdesc_lo12:var] => movk x0, :tprel_g0_nc:var
}
case BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC:
- if (is_local)
+ if (local_exec)
{
/* GD->LE relaxation
add x0, #:tlsgd_lo12:var => movk R0, :tprel_g0_nc:var
return bfd_reloc_ok;
case BFD_RELOC_AARCH64_TLSDESC_LDR:
- if (is_local)
+ if (local_exec)
{
/* GD->LE relaxation:
ldr xd, [gp, xn] => movk R0, #:tprel_g0_nc:var
movk xd, #:tlsdesc_off_g0_nc:var => movk Rd, #:gottprel_g0_nc:var
Where R is x for lp64 mode, and w for ILP32 mode. */
- if (is_local)
+ if (local_exec)
bfd_putl32 (ldr_hw_R0, contents + rel->r_offset);
return bfd_reloc_continue;
case BFD_RELOC_AARCH64_TLSDESC_OFF_G1:
- if (is_local)
+ if (local_exec)
{
/* GD->LE relaxation:
movz xd, #:tlsdesc_off_g1:var => movz R0, #:tprel_g2:var, lsl #32
adrp xd, :gottprel:var => movz Rd, :tprel_g1:var
Where R is x for lp64 mode, and w for ILP32 mode. */
- if (is_local)
+ if (local_exec)
{
insn = bfd_getl32 (contents + rel->r_offset);
bfd_putl32 (movz_R0 | (insn & 0x1f), contents + rel->r_offset);
ldr xd, [xm, #:gottprel_lo12:var] => movk Rd, :tprel_g0_nc:var
Where R is x for lp64 mode, and w for ILP32 mode. */
- if (is_local)
+ if (local_exec)
{
insn = bfd_getl32 (contents + rel->r_offset);
bfd_putl32 (movk_R0 | (insn & 0x1f), contents + rel->r_offset);
bl __tls_get_addr => add R0, R0, TCB_SIZE
Where R is x for lp64 mode, and w for ilp32 mode. */
- if (is_local)
+ if (local_exec)
{
BFD_ASSERT (rel->r_offset + 4 == rel[1].r_offset);
BFD_ASSERT (ELFNN_R_TYPE (rel[1].r_info) == AARCH64_R (CALL26));
/* LD->LE relaxation (small):
adrp x0, :tlsldm:x => mrs x0, tpidr_el0
*/
- if (is_local)
+ if (local_exec)
{
bfd_putl32 (0xd53bd040, contents + rel->r_offset);
return bfd_reloc_ok;
bl __tls_get_addr => nop
Where R is x for lp64 mode, and w for ilp32 mode. */
- if (is_local)
+ if (local_exec)
{
BFD_ASSERT (rel->r_offset + 4 == rel[1].r_offset);
BFD_ASSERT (ELFNN_R_TYPE (rel[1].r_info) == AARCH64_R (CALL26));
/* Relocate an AArch64 ELF section. */
-static bfd_boolean
+static int
elfNN_aarch64_relocate_section (bfd *output_bfd,
struct bfd_link_info *info,
bfd *input_bfd,
Elf_Internal_Rela *relend;
const char *name;
struct elf_aarch64_link_hash_table *globals;
- bfd_boolean save_addend = FALSE;
+ bool save_addend = false;
bfd_vma addend = 0;
globals = elf_aarch64_hash_table (info);
bfd_reloc_status_type r;
arelent bfd_reloc;
char sym_type;
- bfd_boolean unresolved_reloc = FALSE;
+ bool unresolved_reloc = false;
char *error_message = NULL;
r_symndx = ELFNN_R_SYM (rel->r_info);
/* An object file might have a reference to a local
undefined symbol. This is a daft object file, but we
- should at least do something about it. */
+ should at least do something about it. NONE and NULL
+ relocations do not use the symbol and are explicitly
+ allowed to use an undefined one, so allow those.
+ Likewise for relocations against STN_UNDEF. */
if (r_type != R_AARCH64_NONE && r_type != R_AARCH64_NULL
+ && r_symndx != STN_UNDEF
&& bfd_is_und_section (sec)
&& ELF_ST_BIND (sym->st_info) != STB_WEAK)
(*info->callbacks->undefined_symbol)
(info, bfd_elf_string_from_elf_section
(input_bfd, symtab_hdr->sh_link, sym->st_name),
- input_bfd, input_section, rel->r_offset, TRUE);
+ input_bfd, input_section, rel->r_offset, true);
relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sec, rel);
&& ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC)
{
h = elfNN_aarch64_get_local_sym_hash (globals, input_bfd,
- rel, FALSE);
+ rel, false);
if (h == NULL)
abort ();
}
else
{
- bfd_boolean warned, ignored;
+ bool warned, ignored;
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
r_symndx, symtab_hdr, sym_hashes,
BFD_ASSERT (howto != NULL);
r_type = howto->type;
r = elfNN_aarch64_tls_relax (globals, input_bfd, input_section,
- contents, rel, h);
+ contents, rel, h, info);
unresolved_reloc = 0;
}
else
&& rel->r_offset == rel[1].r_offset
&& ELFNN_R_TYPE (rel[1].r_info) != R_AARCH64_NONE
&& ELFNN_R_TYPE (rel[1].r_info) != R_AARCH64_NULL)
- save_addend = TRUE;
+ save_addend = true;
else
- save_addend = FALSE;
+ save_addend = false;
if (r == bfd_reloc_continue)
r = elfNN_aarch64_final_link_relocate (howto, input_bfd, output_bfd,
case BFD_RELOC_AARCH64_TLSLD_ADR_PREL21:
if (! symbol_got_offset_mark_p (input_bfd, h, r_symndx))
{
- bfd_boolean need_relocs = FALSE;
+ bool need_relocs = false;
bfd_byte *loc;
int indx;
bfd_vma off;
case BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1:
if (! symbol_got_offset_mark_p (input_bfd, h, r_symndx))
{
- bfd_boolean need_relocs = FALSE;
+ bool need_relocs = false;
bfd_byte *loc;
int indx;
bfd_vma off;
case BFD_RELOC_AARCH64_TLSDESC_OFF_G1:
if (! symbol_tlsdesc_got_offset_mark_p (input_bfd, h, r_symndx))
{
- bfd_boolean need_relocs = FALSE;
+ bool need_relocs = false;
int indx = h && h->dynindx != -1 ? h->dynindx : 0;
bfd_vma off = symbol_tlsdesc_got_offset (input_bfd, h, r_symndx);
"unresolvable %s relocation against symbol `%s'"),
input_bfd, input_section, (uint64_t) rel->r_offset, howto->name,
h->root.root.string);
- return FALSE;
+ return false;
}
if (r != bfd_reloc_ok && r != bfd_reloc_continue)
_("too many GOT entries for -fpic, "
"please recompile with -fPIC"),
name, input_bfd, input_section, rel->r_offset);
- return FALSE;
+ return false;
}
/* Overflow can occur when a variable is referenced with a type
that has a larger alignment than the type with which it was
Try to catch this situation here and provide a more helpful
error message to the user. */
- if (addend & ((1 << howto->rightshift) - 1)
+ if (addend & (((bfd_vma) 1 << howto->rightshift) - 1)
/* FIXME: Are we testing all of the appropriate reloc
types here ? */
&& (real_r_type == BFD_RELOC_AARCH64_LD_LO19_PCREL
case bfd_reloc_undefined:
(*info->callbacks->undefined_symbol)
- (info, name, input_bfd, input_section, rel->r_offset, TRUE);
+ (info, name, input_bfd, input_section, rel->r_offset, true);
break;
case bfd_reloc_outofrange:
addend = 0;
}
- return TRUE;
+ return true;
}
/* Set the right machine number. */
-static bfd_boolean
+static bool
elfNN_aarch64_object_p (bfd *abfd)
{
#if ARCH_SIZE == 32
#else
bfd_default_set_arch_mach (abfd, bfd_arch_aarch64, bfd_mach_aarch64);
#endif
- return TRUE;
+ return true;
}
/* Function to keep AArch64 specific flags in the ELF header. */
-static bfd_boolean
+static bool
elfNN_aarch64_set_private_flags (bfd *abfd, flagword flags)
{
if (elf_flags_init (abfd) && elf_elfheader (abfd)->e_flags != flags)
else
{
elf_elfheader (abfd)->e_flags = flags;
- elf_flags_init (abfd) = TRUE;
+ elf_flags_init (abfd) = true;
}
- return TRUE;
+ return true;
}
/* Merge backend specific data from an object file to the output
object file when linking. */
-static bfd_boolean
+static bool
elfNN_aarch64_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
{
bfd *obfd = info->output_bfd;
flagword out_flags;
flagword in_flags;
- bfd_boolean flags_compatible = TRUE;
+ bool flags_compatible = true;
asection *sec;
/* Check if we have the same endianess. */
if (!_bfd_generic_verify_endian_match (ibfd, info))
- return FALSE;
+ return false;
if (!is_aarch64_elf (ibfd) || !is_aarch64_elf (obfd))
- return TRUE;
+ return true;
/* The input BFD must have had its flags initialised. */
/* The following seems bogus to me -- The flags are initialized in
to the default values. */
if (bfd_get_arch_info (ibfd)->the_default
&& elf_elfheader (ibfd)->e_flags == 0)
- return TRUE;
+ return true;
- elf_flags_init (obfd) = TRUE;
+ elf_flags_init (obfd) = true;
elf_elfheader (obfd)->e_flags = in_flags;
if (bfd_get_arch (obfd) == bfd_get_arch (ibfd)
return bfd_set_arch_mach (obfd, bfd_get_arch (ibfd),
bfd_get_mach (ibfd));
- return TRUE;
+ return true;
}
/* Identical flags must be compatible. */
if (in_flags == out_flags)
- return TRUE;
+ return true;
/* Check to see if the input BFD actually contains any sections. If
not, its flags may not have been initialised either, but it
in data sections ? */
if (!(ibfd->flags & DYNAMIC))
{
- bfd_boolean null_input_bfd = TRUE;
- bfd_boolean only_data_sections = TRUE;
+ bool null_input_bfd = true;
+ bool only_data_sections = true;
for (sec = ibfd->sections; sec != NULL; sec = sec->next)
{
if ((bfd_section_flags (sec)
& (SEC_LOAD | SEC_CODE | SEC_HAS_CONTENTS))
== (SEC_LOAD | SEC_CODE | SEC_HAS_CONTENTS))
- only_data_sections = FALSE;
+ only_data_sections = false;
- null_input_bfd = FALSE;
+ null_input_bfd = false;
break;
}
if (null_input_bfd || only_data_sections)
- return TRUE;
+ return true;
}
return flags_compatible;
/* Display the flags field. */
-static bfd_boolean
+static bool
elfNN_aarch64_print_private_bfd_data (bfd *abfd, void *ptr)
{
FILE *file = (FILE *) ptr;
containing valid data. */
/* xgettext:c-format */
- fprintf (file, _("private flags = %lx:"), elf_elfheader (abfd)->e_flags);
+ fprintf (file, _("private flags = 0x%lx:"), elf_elfheader (abfd)->e_flags);
if (flags)
- fprintf (file, _("<Unrecognised flag bits set>"));
+ fprintf (file, _(" <Unrecognised flag bits set>"));
fputc ('\n', file);
- return TRUE;
-}
-
-/* Find dynamic relocs for H that apply to read-only sections. */
-
-static asection *
-readonly_dynrelocs (struct elf_link_hash_entry *h)
-{
- struct elf_dyn_relocs *p;
-
- for (p = elf_aarch64_hash_entry (h)->dyn_relocs; p != NULL; p = p->next)
- {
- asection *s = p->sec->output_section;
-
- if (s != NULL && (s->flags & SEC_READONLY) != 0)
- return p->sec;
- }
- return NULL;
+ return true;
}
/* Return true if we need copy relocation against EH. */
-static bfd_boolean
+static bool
need_copy_relocation_p (struct elf_aarch64_link_hash_entry *eh)
{
struct elf_dyn_relocs *p;
asection *s;
- for (p = eh->dyn_relocs; p != NULL; p = p->next)
+ for (p = eh->root.dyn_relocs; p != NULL; p = p->next)
{
/* If there is any pc-relative reference, we need to keep copy relocation
to avoid propagating the relocation into runtime that current glibc
does not support. */
if (p->pc_count)
- return TRUE;
+ return true;
s = p->sec->output_section;
/* Need copy relocation if it's against read-only section. */
if (s != NULL && (s->flags & SEC_READONLY) != 0)
- return TRUE;
+ return true;
}
- return FALSE;
+ return false;
}
/* Adjust a symbol defined by a dynamic object and referenced by a
change the definition to something the rest of the link can
understand. */
-static bfd_boolean
+static bool
elfNN_aarch64_adjust_dynamic_symbol (struct bfd_link_info *info,
struct elf_link_hash_entry *h)
{
h->needs_plt = 0;
}
- return TRUE;
+ return true;
}
else
/* Otherwise, reset to -1. */
h->root.u.def.value = def->root.u.def.value;
if (ELIMINATE_COPY_RELOCS || info->nocopyreloc)
h->non_got_ref = def->non_got_ref;
- return TRUE;
+ return true;
}
/* If we are creating a shared library, we must presume that the
For such cases we need not do anything here; the relocations will
be handled correctly by relocate_section. */
if (bfd_link_pic (info))
- return TRUE;
+ return true;
/* If there are no references to this symbol that do not use the
GOT, we don't need to generate a copy reloc. */
if (!h->non_got_ref)
- return TRUE;
+ return true;
/* If -z nocopyreloc was given, we won't generate them either. */
if (info->nocopyreloc)
{
h->non_got_ref = 0;
- return TRUE;
+ return true;
}
if (ELIMINATE_COPY_RELOCS)
if (!need_copy_relocation_p (eh))
{
h->non_got_ref = 0;
- return TRUE;
+ return true;
}
}
}
-static bfd_boolean
+static bool
elfNN_aarch64_allocate_local_symbols (bfd *abfd, unsigned number)
{
struct elf_aarch64_local_symbol *locals;
locals = (struct elf_aarch64_local_symbol *)
bfd_zalloc (abfd, number * sizeof (struct elf_aarch64_local_symbol));
if (locals == NULL)
- return FALSE;
+ return false;
elf_aarch64_locals (abfd) = locals;
}
- return TRUE;
+ return true;
}
/* Create the .got section to hold the global offset table. */
-static bfd_boolean
+static bool
aarch64_elf_create_got_section (bfd *abfd, struct bfd_link_info *info)
{
const struct elf_backend_data *bed = get_elf_backend_data (abfd);
/* This function may be called more than once. */
if (htab->sgot != NULL)
- return TRUE;
+ return true;
flags = bed->dynamic_sec_flags;
| SEC_READONLY));
if (s == NULL
|| !bfd_set_section_alignment (s, bed->s->log_file_align))
- return FALSE;
+ return false;
htab->srelgot = s;
s = bfd_make_section_anyway_with_flags (abfd, ".got", flags);
if (s == NULL
|| !bfd_set_section_alignment (s, bed->s->log_file_align))
- return FALSE;
+ return false;
htab->sgot = s;
htab->sgot->size += GOT_ENTRY_SIZE;
"_GLOBAL_OFFSET_TABLE_");
elf_hash_table (info)->hgot = h;
if (h == NULL)
- return FALSE;
+ return false;
}
if (bed->want_got_plt)
s = bfd_make_section_anyway_with_flags (abfd, ".got.plt", flags);
if (s == NULL
|| !bfd_set_section_alignment (s, bed->s->log_file_align))
- return FALSE;
+ return false;
htab->sgotplt = s;
}
/* The first bit of the global offset table is the header. */
s->size += bed->got_header_size;
- return TRUE;
+ return true;
}
/* Look through the relocs for a section during the first phase. */
-static bfd_boolean
+static bool
elfNN_aarch64_check_relocs (bfd *abfd, struct bfd_link_info *info,
asection *sec, const Elf_Internal_Rela *relocs)
{
struct elf_aarch64_link_hash_table *htab;
if (bfd_link_relocatable (info))
- return TRUE;
+ return true;
BFD_ASSERT (is_aarch64_elf (abfd));
{
/* xgettext:c-format */
_bfd_error_handler (_("%pB: bad symbol index: %d"), abfd, r_symndx);
- return FALSE;
+ return false;
}
if (r_symndx < symtab_hdr->sh_info)
{
/* A local symbol. */
- isym = bfd_sym_from_r_symndx (&htab->sym_cache,
+ isym = bfd_sym_from_r_symndx (&htab->root.sym_cache,
abfd, r_symndx);
if (isym == NULL)
- return FALSE;
+ return false;
/* Check relocation against local STT_GNU_IFUNC symbol. */
if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
{
h = elfNN_aarch64_get_local_sym_hash (htab, abfd, rel,
- TRUE);
+ true);
if (h == NULL)
- return FALSE;
+ return false;
/* Fake a STT_GNU_IFUNC symbol. */
h->type = STT_GNU_IFUNC;
htab->root.dynobj = abfd;
if (! aarch64_elf_create_got_section (htab->root.dynobj, info))
- return FALSE;
+ return false;
BFD_ASSERT (h == htab->root.hgot);
}
if (htab->root.dynobj == NULL)
htab->root.dynobj = abfd;
if (!_bfd_elf_create_ifunc_sections (htab->root.dynobj, info))
- return FALSE;
+ return false;
break;
}
abfd, elfNN_aarch64_howto_table[howto_index].name,
(h) ? h->root.root.string : "a local symbol");
bfd_set_error (bfd_error_bad_value);
- return FALSE;
+ return false;
}
else
break;
abfd, elfNN_aarch64_howto_table[howto_index].name,
(h) ? h->root.root.string : "a local symbol");
bfd_set_error (bfd_error_bad_value);
- return FALSE;
+ return false;
}
/* Fall through. */
htab->root.dynobj = abfd;
sreloc = _bfd_elf_make_dynamic_reloc_section
- (sec, htab->root.dynobj, LOG_FILE_ALIGN, abfd, /*rela? */ TRUE);
+ (sec, htab->root.dynobj, LOG_FILE_ALIGN, abfd, /*rela? */ true);
if (sreloc == NULL)
- return FALSE;
+ return false;
}
/* If this is a global symbol, we count the number of
relocations we need for this symbol. */
if (h != NULL)
{
- struct elf_aarch64_link_hash_entry *eh;
- eh = (struct elf_aarch64_link_hash_entry *) h;
- head = &eh->dyn_relocs;
+ head = &h->dyn_relocs;
}
else
{
asection *s;
void **vpp;
- isym = bfd_sym_from_r_symndx (&htab->sym_cache,
+ isym = bfd_sym_from_r_symndx (&htab->root.sym_cache,
abfd, r_symndx);
if (isym == NULL)
- return FALSE;
+ return false;
s = bfd_section_from_elf_index (abfd, isym->st_shndx);
if (s == NULL)
p = ((struct elf_dyn_relocs *)
bfd_zalloc (htab->root.dynobj, amt));
if (p == NULL)
- return FALSE;
+ return false;
p->next = *head;
*head = p;
p->sec = sec;
if (!elfNN_aarch64_allocate_local_symbols
(abfd, symtab_hdr->sh_info))
- return FALSE;
+ return false;
locals = elf_aarch64_locals (abfd);
BFD_ASSERT (r_symndx < symtab_hdr->sh_info);
if (htab->root.dynobj == NULL)
htab->root.dynobj = abfd;
if (! aarch64_elf_create_got_section (htab->root.dynobj, info))
- return FALSE;
+ return false;
break;
}
}
}
- return TRUE;
+ return true;
}
/* Treat mapping symbols as special target symbols. */
-static bfd_boolean
+static bool
elfNN_aarch64_is_target_special_symbol (bfd *abfd ATTRIBUTE_UNUSED,
asymbol *sym)
{
bfd_vma *code_off)
{
bfd_size_type size;
+ elf_symbol_type * elf_sym = (elf_symbol_type *) sym;
if ((sym->flags & (BSF_SECTION_SYM | BSF_FILE | BSF_OBJECT
| BSF_THREAD_LOCAL | BSF_RELC | BSF_SRELC)) != 0
|| sym->section != sec)
return 0;
+ size = (sym->flags & BSF_SYNTHETIC) ? 0 : elf_sym->internal_elf_sym.st_size;
+
if (!(sym->flags & BSF_SYNTHETIC))
- switch (ELF_ST_TYPE (((elf_symbol_type *) sym)->internal_elf_sym.st_info))
+ switch (ELF_ST_TYPE (elf_sym->internal_elf_sym.st_info))
{
- case STT_FUNC:
case STT_NOTYPE:
+ /* Ignore symbols created by the annobin plugin for gcc and clang.
+ These symbols are hidden, local, notype and have a size of 0. */
+ if (size == 0
+ && sym->flags & BSF_LOCAL
+ && ELF_ST_VISIBILITY (elf_sym->internal_elf_sym.st_other) == STV_HIDDEN)
+ return 0;
+ /* Fall through. */
+ case STT_FUNC:
+ /* FIXME: Allow STT_GNU_IFUNC as well ? */
break;
default:
return 0;
}
-
+
if ((sym->flags & BSF_LOCAL)
&& bfd_is_aarch64_special_symbol_name (sym->name,
BFD_AARCH64_SPECIAL_SYM_TYPE_ANY))
return 0;
*code_off = sym->value;
- size = 0;
- if (!(sym->flags & BSF_SYNTHETIC))
- size = ((elf_symbol_type *) sym)->internal_elf_sym.st_size;
- if (size == 0)
- size = 1;
- return size;
+
+ /* Do not return 0 for the function's size. */
+ return size ? size : 1;
}
-static bfd_boolean
+static bool
elfNN_aarch64_find_inliner_info (bfd *abfd,
const char **filename_ptr,
const char **functionname_ptr,
unsigned int *line_ptr)
{
- bfd_boolean found;
+ bool found;
found = _bfd_dwarf2_find_inliner_info
(abfd, filename_ptr,
functionname_ptr, line_ptr, &elf_tdata (abfd)->dwarf2_find_line_info);
}
-static bfd_boolean
+static bool
elfNN_aarch64_init_file_header (bfd *abfd, struct bfd_link_info *link_info)
{
Elf_Internal_Ehdr *i_ehdrp; /* ELF file header, internal form. */
if (!_bfd_elf_init_file_header (abfd, link_info))
- return FALSE;
+ return false;
i_ehdrp = elf_elfheader (abfd);
i_ehdrp->e_ident[EI_ABIVERSION] = AARCH64_ELF_ABI_VERSION;
- return TRUE;
+ return true;
}
static enum elf_reloc_type_class
called when bfd_section_from_shdr finds a section with an unknown
type. */
-static bfd_boolean
+static bool
elfNN_aarch64_section_from_shdr (bfd *abfd,
Elf_Internal_Shdr *hdr,
const char *name, int shindex)
break;
default:
- return FALSE;
+ return false;
}
if (!_bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex))
- return FALSE;
+ return false;
+
+ return true;
+}
+
+/* Process any AArch64-specific program segment types. */
+
+static bool
+elfNN_aarch64_section_from_phdr (bfd *abfd ATTRIBUTE_UNUSED,
+ Elf_Internal_Phdr *hdr,
+ int hdr_index ATTRIBUTE_UNUSED,
+ const char *name ATTRIBUTE_UNUSED)
+{
+ /* Right now we only handle the PT_AARCH64_MEMTAG_MTE segment type. */
+ if (hdr == NULL || hdr->p_type != PT_AARCH64_MEMTAG_MTE)
+ return false;
+
+ if (hdr->p_filesz > 0)
+ {
+ /* Sections created from memory tag p_type's are always named
+ "memtag". This makes it easier for tools (for example, GDB)
+ to find them. */
+ asection *newsect = bfd_make_section_anyway (abfd, "memtag");
+
+ if (newsect == NULL)
+ return false;
+
+ unsigned int opb = bfd_octets_per_byte (abfd, NULL);
+
+ /* p_vaddr holds the original start address of the tagged memory
+ range. */
+ newsect->vma = hdr->p_vaddr / opb;
+
+ /* p_filesz holds the storage size of the packed tags. */
+ newsect->size = hdr->p_filesz;
+ newsect->filepos = hdr->p_offset;
+
+ /* p_memsz holds the size of the memory range that contains tags. The
+ section's rawsize field is reused for this purpose. */
+ newsect->rawsize = hdr->p_memsz;
+
+ /* Make sure the section's flags has SEC_HAS_CONTENTS set, otherwise
+ BFD will return all zeroes when attempting to get contents from this
+ section. */
+ newsect->flags |= SEC_HAS_CONTENTS;
+ }
+
+ return true;
+}
+
+/* Implements the bfd_elf_modify_headers hook for aarch64. */
+
+static bool
+elfNN_aarch64_modify_headers (bfd *abfd,
+ struct bfd_link_info *info)
+{
+ struct elf_segment_map *m;
+ unsigned int segment_count = 0;
+ Elf_Internal_Phdr *p;
+
+ for (m = elf_seg_map (abfd); m != NULL; m = m->next, segment_count++)
+ {
+ /* We are only interested in the memory tag segment that will be dumped
+ to a core file. If we have no memory tags or this isn't a core file we
+ are dealing with, just skip this segment. */
+ if (m->p_type != PT_AARCH64_MEMTAG_MTE
+ || bfd_get_format (abfd) != bfd_core)
+ continue;
+
+ /* For memory tag segments in core files, the size of the file contents
+ is smaller than the size of the memory range. Adjust the memory size
+ accordingly. The real memory size is held in the section's rawsize
+ field. */
+ if (m->count > 0)
+ {
+ p = elf_tdata (abfd)->phdr;
+ p += m->idx;
+ p->p_memsz = m->sections[0]->rawsize;
+ p->p_flags = 0;
+ p->p_paddr = 0;
+ p->p_align = 0;
+ }
+ }
- return TRUE;
+ /* Give the generic code a chance to handle the headers. */
+ return _bfd_elf_modify_headers (abfd, info);
}
/* A structure used to record a list of sections, independently
/* Output a single mapping symbol. */
-static bfd_boolean
+static bool
elfNN_aarch64_output_map_sym (output_arch_syminfo *osi,
enum map_symbol_type type, bfd_vma offset)
{
/* Output a single local symbol for a generated stub. */
-static bfd_boolean
+static bool
elfNN_aarch64_output_stub_sym (output_arch_syminfo *osi, const char *name,
bfd_vma offset, bfd_vma size)
{
return osi->func (osi->finfo, name, &sym, osi->sec, NULL) == 1;
}
-static bfd_boolean
+static bool
aarch64_map_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
{
struct elf_aarch64_stub_hash_entry *stub_entry;
/* Ensure this stub is attached to the current section being
processed. */
if (stub_sec != osi->sec)
- return TRUE;
+ return true;
addr = (bfd_vma) stub_entry->stub_offset;
case aarch64_stub_adrp_branch:
if (!elfNN_aarch64_output_stub_sym (osi, stub_name, addr,
sizeof (aarch64_adrp_branch_stub)))
- return FALSE;
+ return false;
if (!elfNN_aarch64_output_map_sym (osi, AARCH64_MAP_INSN, addr))
- return FALSE;
+ return false;
break;
case aarch64_stub_long_branch:
if (!elfNN_aarch64_output_stub_sym
(osi, stub_name, addr, sizeof (aarch64_long_branch_stub)))
- return FALSE;
+ return false;
if (!elfNN_aarch64_output_map_sym (osi, AARCH64_MAP_INSN, addr))
- return FALSE;
+ return false;
if (!elfNN_aarch64_output_map_sym (osi, AARCH64_MAP_DATA, addr + 16))
- return FALSE;
+ return false;
+ break;
+ case aarch64_stub_bti_direct_branch:
+ if (!elfNN_aarch64_output_stub_sym (osi, stub_name, addr,
+ sizeof (aarch64_bti_direct_branch_stub)))
+ return false;
+ if (!elfNN_aarch64_output_map_sym (osi, AARCH64_MAP_INSN, addr))
+ return false;
break;
case aarch64_stub_erratum_835769_veneer:
if (!elfNN_aarch64_output_stub_sym (osi, stub_name, addr,
sizeof (aarch64_erratum_835769_stub)))
- return FALSE;
+ return false;
if (!elfNN_aarch64_output_map_sym (osi, AARCH64_MAP_INSN, addr))
- return FALSE;
+ return false;
break;
case aarch64_stub_erratum_843419_veneer:
if (!elfNN_aarch64_output_stub_sym (osi, stub_name, addr,
sizeof (aarch64_erratum_843419_stub)))
- return FALSE;
+ return false;
if (!elfNN_aarch64_output_map_sym (osi, AARCH64_MAP_INSN, addr))
- return FALSE;
+ return false;
break;
case aarch64_stub_none:
break;
abort ();
}
- return TRUE;
+ return true;
}
/* Output mapping symbols for linker generated sections. */
-static bfd_boolean
+static bool
elfNN_aarch64_output_arch_local_syms (bfd *output_bfd,
struct bfd_link_info *info,
void *finfo,
output_arch_syminfo osi;
struct elf_aarch64_link_hash_table *htab;
+ if (info->strip == strip_all
+ && !info->emitrelocations
+ && !bfd_link_relocatable (info))
+ return true;
+
htab = elf_aarch64_hash_table (info);
osi.finfo = finfo;
/* The first instruction in a stub is always a branch. */
if (!elfNN_aarch64_output_map_sym (&osi, AARCH64_MAP_INSN, 0))
- return FALSE;
+ return false;
bfd_hash_traverse (&htab->stub_hash_table, aarch64_map_one_stub,
&osi);
/* Finally, output mapping symbols for the PLT. */
if (!htab->root.splt || htab->root.splt->size == 0)
- return TRUE;
+ return true;
osi.sec_shndx = _bfd_elf_section_from_bfd_section
(output_bfd, htab->root.splt->output_section);
elfNN_aarch64_output_map_sym (&osi, AARCH64_MAP_INSN, 0);
- return TRUE;
+ return true;
}
/* Allocate target specific section data. */
-static bfd_boolean
+static bool
elfNN_aarch64_new_section_hook (bfd *abfd, asection *sec)
{
if (!sec->used_by_bfd)
sdata = bfd_zalloc (abfd, amt);
if (sdata == NULL)
- return FALSE;
+ return false;
sec->used_by_bfd = sdata;
}
unrecord_section_with_aarch64_elf_section_data (sec);
}
-static bfd_boolean
+static bool
elfNN_aarch64_close_and_cleanup (bfd *abfd)
{
if (abfd->sections)
return _bfd_elf_close_and_cleanup (abfd);
}
-static bfd_boolean
+static bool
elfNN_aarch64_bfd_free_cached_info (bfd *abfd)
{
if (abfd->sections)
the got, plt, gotplt and their relocation sections are all created in the
standard part of the bfd elf backend. */
-static bfd_boolean
+static bool
elfNN_aarch64_create_dynamic_sections (bfd *dynobj,
struct bfd_link_info *info)
{
/* We need to create .got section. */
if (!aarch64_elf_create_got_section (dynobj, info))
- return FALSE;
+ return false;
return _bfd_elf_create_dynamic_sections (dynobj, info);
}
/* Allocate space in .plt, .got and associated reloc sections for
dynamic relocs. */
-static bfd_boolean
+static bool
elfNN_aarch64_allocate_dynrelocs (struct elf_link_hash_entry *h, void *inf)
{
struct bfd_link_info *info;
called to copy all relevant data from the generic to the concrete
symbol instance. */
if (h->root.type == bfd_link_hash_indirect)
- return TRUE;
+ return true;
if (h->root.type == bfd_link_hash_warning)
h = (struct elf_link_hash_entry *) h->root.u.i.link;
here if it is defined and referenced in a non-shared object. */
if (h->type == STT_GNU_IFUNC
&& h->def_regular)
- return TRUE;
+ return true;
else if (htab->root.dynamic_sections_created && h->plt.refcount > 0)
{
/* Make sure this symbol is output as a dynamic symbol.
&& h->root.type == bfd_link_hash_undefweak)
{
if (!bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
+ return false;
}
if (bfd_link_pic (info) || WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, 0, h))
if (h->got.refcount > 0)
{
- bfd_boolean dyn;
+ bool dyn;
unsigned got_type = elf_aarch64_hash_entry (h)->got_type;
h->got.offset = (bfd_vma) - 1;
&& h->root.type == bfd_link_hash_undefweak)
{
if (!bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
+ return false;
}
if (got_type == GOT_UNKNOWN)
type. */
/* TLSDESC PLT is now needed, but not yet determined. */
- htab->tlsdesc_plt = (bfd_vma) - 1;
+ htab->root.tlsdesc_plt = (bfd_vma) - 1;
}
if (got_type & GOT_TLS_GD)
h->got.offset = (bfd_vma) - 1;
}
- if (eh->dyn_relocs == NULL)
- return TRUE;
+ if (h->dyn_relocs == NULL)
+ return true;
+
+ for (p = h->dyn_relocs; p != NULL; p = p->next)
+ if (eh->def_protected)
+ {
+ /* Disallow copy relocations against protected symbol. */
+ asection *s = p->sec->output_section;
+ if (s != NULL && (s->flags & SEC_READONLY) != 0)
+ {
+ info->callbacks->einfo
+ /* xgettext:c-format */
+ (_ ("%F%P: %pB: copy relocation against non-copyable "
+ "protected symbol `%s'\n"),
+ p->sec->owner, h->root.root.string);
+ return false;
+ }
+ }
/* In the shared -Bsymbolic case, discard space allocated for
dynamic pc-relative relocs against symbols which turn out to be
{
struct elf_dyn_relocs **pp;
- for (pp = &eh->dyn_relocs; (p = *pp) != NULL;)
+ for (pp = &h->dyn_relocs; (p = *pp) != NULL;)
{
p->count -= p->pc_count;
p->pc_count = 0;
/* Also discard relocs on undefined weak syms with non-default
visibility. */
- if (eh->dyn_relocs != NULL && h->root.type == bfd_link_hash_undefweak)
+ if (h->dyn_relocs != NULL && h->root.type == bfd_link_hash_undefweak)
{
if (ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
|| UNDEFWEAK_NO_DYNAMIC_RELOC (info, h))
- eh->dyn_relocs = NULL;
+ h->dyn_relocs = NULL;
/* Make sure undefined weak symbols are output as a dynamic
symbol in PIEs. */
&& !h->forced_local
&& h->root.type == bfd_link_hash_undefweak
&& !bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
+ return false;
}
}
&& !h->forced_local
&& h->root.type == bfd_link_hash_undefweak
&& !bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
+ return false;
/* If that succeeded, we know we'll be keeping all the
relocs. */
goto keep;
}
- eh->dyn_relocs = NULL;
+ h->dyn_relocs = NULL;
keep:;
}
/* Finally, allocate space. */
- for (p = eh->dyn_relocs; p != NULL; p = p->next)
+ for (p = h->dyn_relocs; p != NULL; p = p->next)
{
asection *sreloc;
sreloc->size += p->count * RELOC_SIZE (htab);
}
- return TRUE;
+ return true;
}
/* Allocate space in .plt, .got and associated reloc sections for
ifunc dynamic relocs. */
-static bfd_boolean
+static bool
elfNN_aarch64_allocate_ifunc_dynrelocs (struct elf_link_hash_entry *h,
void *inf)
{
struct bfd_link_info *info;
struct elf_aarch64_link_hash_table *htab;
- struct elf_aarch64_link_hash_entry *eh;
/* An example of a bfd_link_hash_indirect symbol is versioned
symbol. For example: __gxx_personality_v0(bfd_link_hash_indirect)
called to copy all relevant data from the generic to the concrete
symbol instance. */
if (h->root.type == bfd_link_hash_indirect)
- return TRUE;
+ return true;
if (h->root.type == bfd_link_hash_warning)
h = (struct elf_link_hash_entry *) h->root.u.i.link;
info = (struct bfd_link_info *) inf;
htab = elf_aarch64_hash_table (info);
- eh = (struct elf_aarch64_link_hash_entry *) h;
-
/* Since STT_GNU_IFUNC symbol must go through PLT, we handle it
here if it is defined and referenced in a non-shared object. */
if (h->type == STT_GNU_IFUNC
&& h->def_regular)
return _bfd_elf_allocate_ifunc_dyn_relocs (info, h,
- &eh->dyn_relocs,
- NULL,
+ &h->dyn_relocs,
htab->plt_entry_size,
htab->plt_header_size,
GOT_ENTRY_SIZE,
- FALSE);
- return TRUE;
+ false);
+ return true;
}
/* Allocate space in .plt, .got and associated reloc sections for
local ifunc dynamic relocs. */
-static bfd_boolean
+static int
elfNN_aarch64_allocate_local_ifunc_dynrelocs (void **slot, void *inf)
{
struct elf_link_hash_entry *h
return elfNN_aarch64_allocate_ifunc_dynrelocs (h, inf);
}
-/* Set DF_TEXTREL if we find any dynamic relocs that apply to
- read-only sections. */
-
-static bfd_boolean
-maybe_set_textrel (struct elf_link_hash_entry *h, void *info_p)
-{
- asection *sec;
-
- if (h->root.type == bfd_link_hash_indirect)
- return TRUE;
-
- sec = readonly_dynrelocs (h);
- if (sec != NULL)
- {
- struct bfd_link_info *info = (struct bfd_link_info *) info_p;
-
- info->flags |= DF_TEXTREL;
- info->callbacks->minfo
- (_("%pB: dynamic relocation against `%pT' in read-only section `%pA'\n"),
- sec->owner, h->root.root.string, sec);
-
- /* Not an error, just cut short the traversal. */
- return FALSE;
- }
- return TRUE;
-}
-
/* This is the most important function of all . Innocuosly named
though ! */
-static bfd_boolean
+static bool
elfNN_aarch64_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
struct bfd_link_info *info)
{
struct elf_aarch64_link_hash_table *htab;
bfd *dynobj;
asection *s;
- bfd_boolean relocs;
+ bool relocs;
bfd *ibfd;
htab = elf_aarch64_hash_table ((info));
{
htab->root.srelplt->size += RELOC_SIZE (htab);
/* Note RELOC_COUNT not incremented here! */
- htab->tlsdesc_plt = (bfd_vma) - 1;
+ htab->root.tlsdesc_plt = (bfd_vma) - 1;
}
if (got_type & GOT_TLS_GD)
if (htab->root.srelplt)
htab->sgotplt_jump_table_size = aarch64_compute_jump_table_size (htab);
- if (htab->tlsdesc_plt)
+ if (htab->root.tlsdesc_plt)
{
if (htab->root.splt->size == 0)
htab->root.splt->size += htab->plt_header_size;
/* If we're not using lazy TLS relocations, don't generate the
GOT and PLT entry required. */
- if (!(info->flags & DF_BIND_NOW))
+ if ((info->flags & DF_BIND_NOW))
+ htab->root.tlsdesc_plt = 0;
+ else
{
- htab->tlsdesc_plt = htab->root.splt->size;
+ htab->root.tlsdesc_plt = htab->root.splt->size;
htab->root.splt->size += htab->tlsdesc_plt_entry_size;
- htab->dt_tlsdesc_got = htab->root.sgot->size;
+ htab->root.tlsdesc_got = htab->root.sgot->size;
htab->root.sgot->size += GOT_ENTRY_SIZE;
}
}
/* We now have determined the sizes of the various dynamic sections.
Allocate memory for them. */
- relocs = FALSE;
+ relocs = false;
for (s = dynobj->sections; s != NULL; s = s->next)
{
if ((s->flags & SEC_LINKER_CREATED) == 0)
/* Strip this section if we don't need it; see the
comment below. */
}
- else if (CONST_STRNEQ (bfd_section_name (s), ".rela"))
+ else if (startswith (bfd_section_name (s), ".rela"))
{
if (s->size != 0 && s != htab->root.srelplt)
- relocs = TRUE;
+ relocs = true;
/* We use the reloc_count field as a counter if we need
to copy relocs into the output file. */
of garbage. */
s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->size);
if (s->contents == NULL)
- return FALSE;
+ return false;
}
if (htab->root.dynamic_sections_created)
#define add_dynamic_entry(TAG, VAL) \
_bfd_elf_add_dynamic_entry (info, TAG, VAL)
- if (bfd_link_executable (info))
- {
- if (!add_dynamic_entry (DT_DEBUG, 0))
- return FALSE;
- }
+ if (!_bfd_elf_add_dynamic_tags (output_bfd, info, relocs))
+ return false;
if (htab->root.splt->size != 0)
{
- if (!add_dynamic_entry (DT_PLTGOT, 0)
- || !add_dynamic_entry (DT_PLTRELSZ, 0)
- || !add_dynamic_entry (DT_PLTREL, DT_RELA)
- || !add_dynamic_entry (DT_JMPREL, 0))
- return FALSE;
-
if (htab->variant_pcs
&& !add_dynamic_entry (DT_AARCH64_VARIANT_PCS, 0))
- return FALSE;
-
- if (htab->tlsdesc_plt
- && !(info->flags & DF_BIND_NOW)
- && (!add_dynamic_entry (DT_TLSDESC_PLT, 0)
- || !add_dynamic_entry (DT_TLSDESC_GOT, 0)))
- return FALSE;
+ return false;
if ((elf_aarch64_tdata (output_bfd)->plt_type == PLT_BTI_PAC)
&& (!add_dynamic_entry (DT_AARCH64_BTI_PLT, 0)
|| !add_dynamic_entry (DT_AARCH64_PAC_PLT, 0)))
- return FALSE;
+ return false;
else if ((elf_aarch64_tdata (output_bfd)->plt_type == PLT_BTI)
&& !add_dynamic_entry (DT_AARCH64_BTI_PLT, 0))
- return FALSE;
+ return false;
else if ((elf_aarch64_tdata (output_bfd)->plt_type == PLT_PAC)
&& !add_dynamic_entry (DT_AARCH64_PAC_PLT, 0))
- return FALSE;
- }
-
- if (relocs)
- {
- if (!add_dynamic_entry (DT_RELA, 0)
- || !add_dynamic_entry (DT_RELASZ, 0)
- || !add_dynamic_entry (DT_RELAENT, RELOC_SIZE (htab)))
- return FALSE;
-
- /* If any dynamic relocs apply to a read-only section,
- then we need a DT_TEXTREL entry. */
- if ((info->flags & DF_TEXTREL) == 0)
- elf_link_hash_traverse (&htab->root, maybe_set_textrel, info);
-
- if ((info->flags & DF_TEXTREL) != 0)
- {
- if (!add_dynamic_entry (DT_TEXTREL, 0))
- return FALSE;
- }
+ return false;
}
}
#undef add_dynamic_entry
- return TRUE;
+ return true;
}
static inline void
/* Size sections even though they're not dynamic. We use it to setup
_TLS_MODULE_BASE_, if needed. */
-static bfd_boolean
+static bool
elfNN_aarch64_always_size_sections (bfd *output_bfd,
struct bfd_link_info *info)
{
asection *tls_sec;
if (bfd_link_relocatable (info))
- return TRUE;
+ return true;
tls_sec = elf_hash_table (info)->tls_sec;
struct elf_link_hash_entry *tlsbase;
tlsbase = elf_link_hash_lookup (elf_hash_table (info),
- "_TLS_MODULE_BASE_", TRUE, TRUE, FALSE);
+ "_TLS_MODULE_BASE_", true, true, false);
if (tlsbase)
{
if (!(_bfd_generic_link_add_one_symbol
(info, output_bfd, "_TLS_MODULE_BASE_", BSF_LOCAL,
- tls_sec, 0, NULL, FALSE, bed->collect, &h)))
- return FALSE;
+ tls_sec, 0, NULL, false, bed->collect, &h)))
+ return false;
tlsbase->type = STT_TLS;
tlsbase = (struct elf_link_hash_entry *) h;
tlsbase->def_regular = 1;
tlsbase->other = STV_HIDDEN;
- (*bed->elf_backend_hide_symbol) (info, tlsbase, TRUE);
+ (*bed->elf_backend_hide_symbol) (info, tlsbase, true);
}
}
- return TRUE;
+ return true;
}
/* Finish up dynamic symbol handling. We set the contents of various
dynamic sections here. */
-static bfd_boolean
+static bool
elfNN_aarch64_finish_dynamic_symbol (bfd *output_bfd,
struct bfd_link_info *info,
struct elf_link_hash_entry *h,
|| plt == NULL
|| gotplt == NULL
|| relplt == NULL)
- return FALSE;
+ return false;
elfNN_aarch64_create_small_pltn_entry (h, htab, output_bfd, info);
if (!h->def_regular)
+ h->plt.offset),
htab->root.sgot->contents
+ (h->got.offset & ~(bfd_vma) 1));
- return TRUE;
+ return true;
}
}
else if (bfd_link_pic (info) && SYMBOL_REFERENCES_LOCAL (info, h))
{
if (!(h->def_regular || ELF_COMMON_DEF_P (h)))
- return FALSE;
+ return false;
BFD_ASSERT ((h->got.offset & 1) != 0);
rela.r_info = ELFNN_R_INFO (0, AARCH64_R (RELATIVE));
|| h == elf_hash_table (info)->hgot))
sym->st_shndx = SHN_ABS;
- return TRUE;
+ return true;
}
/* Finish up local dynamic symbol handling. We set the contents of
various dynamic sections here. */
-static bfd_boolean
+static int
elfNN_aarch64_finish_local_dynamic_symbol (void **slot, void *inf)
{
struct elf_link_hash_entry *h
memcpy (htab->root.splt->contents, htab->plt0_entry,
htab->plt_header_size);
- elf_section_data (htab->root.splt->output_section)->this_hdr.sh_entsize =
- htab->plt_header_size;
+
+ /* PR 26312: Explicitly set the sh_entsize to 0 so that
+ consumers do not think that the section contains fixed
+ sized objects. */
+ elf_section_data (htab->root.splt->output_section)->this_hdr.sh_entsize = 0;
plt_got_2nd_ent = (htab->root.sgotplt->output_section->vma
+ htab->root.sgotplt->output_offset
PG_OFFSET (plt_got_2nd_ent));
}
-static bfd_boolean
+static bool
elfNN_aarch64_finish_dynamic_sections (bfd *output_bfd,
struct bfd_link_info *info)
{
case DT_TLSDESC_PLT:
s = htab->root.splt;
dyn.d_un.d_ptr = s->output_section->vma + s->output_offset
- + htab->tlsdesc_plt;
+ + htab->root.tlsdesc_plt;
break;
case DT_TLSDESC_GOT:
s = htab->root.sgot;
- BFD_ASSERT (htab->dt_tlsdesc_got != (bfd_vma)-1);
+ BFD_ASSERT (htab->root.tlsdesc_got != (bfd_vma)-1);
dyn.d_un.d_ptr = s->output_section->vma + s->output_offset
- + htab->dt_tlsdesc_got;
+ + htab->root.tlsdesc_got;
break;
}
{
elfNN_aarch64_init_small_plt0_entry (output_bfd, htab);
- elf_section_data (htab->root.splt->output_section)->
- this_hdr.sh_entsize = htab->plt_entry_size;
-
-
- if (htab->tlsdesc_plt && !(info->flags & DF_BIND_NOW))
+ if (htab->root.tlsdesc_plt && !(info->flags & DF_BIND_NOW))
{
- BFD_ASSERT (htab->dt_tlsdesc_got != (bfd_vma)-1);
+ BFD_ASSERT (htab->root.tlsdesc_got != (bfd_vma)-1);
bfd_put_NN (output_bfd, (bfd_vma) 0,
- htab->root.sgot->contents + htab->dt_tlsdesc_got);
+ htab->root.sgot->contents + htab->root.tlsdesc_got);
const bfd_byte *entry = elfNN_aarch64_tlsdesc_small_plt_entry;
htab->tlsdesc_plt_entry_size = PLT_TLSDESC_ENTRY_SIZE;
entry = elfNN_aarch64_tlsdesc_small_plt_bti_entry;
}
- memcpy (htab->root.splt->contents + htab->tlsdesc_plt,
+ memcpy (htab->root.splt->contents + htab->root.tlsdesc_plt,
entry, htab->tlsdesc_plt_entry_size);
{
bfd_vma adrp1_addr =
htab->root.splt->output_section->vma
- + htab->root.splt->output_offset + htab->tlsdesc_plt + 4;
+ + htab->root.splt->output_offset
+ + htab->root.tlsdesc_plt + 4;
bfd_vma adrp2_addr = adrp1_addr + 4;
htab->root.sgotplt->output_section->vma
+ htab->root.sgotplt->output_offset;
- bfd_vma dt_tlsdesc_got = got_addr + htab->dt_tlsdesc_got;
+ bfd_vma dt_tlsdesc_got = got_addr + htab->root.tlsdesc_got;
bfd_byte *plt_entry =
- htab->root.splt->contents + htab->tlsdesc_plt;
+ htab->root.splt->contents + htab->root.tlsdesc_plt;
/* First instruction in BTI enabled PLT stub is a BTI
instruction so skip it. */
{
_bfd_error_handler
(_("discarded output section: `%pA'"), htab->root.sgotplt);
- return FALSE;
+ return false;
}
/* Fill in the first three entries in the global offset table. */
elfNN_aarch64_finish_local_dynamic_symbol,
info);
- return TRUE;
+ return true;
}
/* Check if BTI enabled PLTs are needed. Returns the type needed. */
aarch64_plt_type ret = PLT_NORMAL;
bfd_byte *contents, *extdyn, *extdynend;
asection *sec = bfd_get_section_by_name (abfd, ".dynamic");
- if (!sec || !bfd_malloc_and_get_section (abfd, sec, &contents))
+ if (!sec
+ || (sec->flags & SEC_HAS_CONTENTS) == 0
+ || sec->size < sizeof (ElfNN_External_Dyn)
+ || !bfd_malloc_and_get_section (abfd, sec, &contents))
return ret;
extdyn = contents;
- extdynend = contents + sec->size;
- for (; extdyn < extdynend; extdyn += sizeof (ElfNN_External_Dyn))
+ extdynend = contents + sec->size - sizeof (ElfNN_External_Dyn);
+ for (; extdyn <= extdynend; extdyn += sizeof (ElfNN_External_Dyn))
{
Elf_Internal_Dyn dyn;
bfd_elfNN_swap_dyn_in (abfd, extdyn, &dyn);
It also allows a period initiated suffix to be added to the symbol, ie:
"$[adtx]\.[:sym_char]+". */
-static bfd_boolean
+static bool
is_aarch64_mapping_symbol (const char * name)
{
return name != NULL /* Paranoia. */
/* Implement elf_backend_merge_gnu_properties for AArch64. It serves as a
wrapper function for _bfd_aarch64_elf_merge_gnu_properties to account
for the effect of GNU properties of the output_bfd. */
-static bfd_boolean
+static bool
elfNN_aarch64_merge_gnu_properties (struct bfd_link_info *info,
bfd *abfd, bfd *bbfd,
elf_property *aprop,
#define ELF_ARCH bfd_arch_aarch64
#define ELF_MACHINE_CODE EM_AARCH64
#define ELF_MAXPAGESIZE 0x10000
-#define ELF_MINPAGESIZE 0x1000
#define ELF_COMMONPAGESIZE 0x1000
#define bfd_elfNN_close_and_cleanup \
#define elf_backend_section_from_shdr \
elfNN_aarch64_section_from_shdr
+#define elf_backend_section_from_phdr \
+ elfNN_aarch64_section_from_phdr
+
+#define elf_backend_modify_headers \
+ elfNN_aarch64_modify_headers
+
#define elf_backend_size_dynamic_sections \
elfNN_aarch64_size_dynamic_sections
#define elf_backend_dtrel_excludes_plt 1
#define elf_backend_got_header_size (GOT_ENTRY_SIZE * 3)
#define elf_backend_default_execstack 0
-#define elf_backend_extern_protected_data 1
+#define elf_backend_extern_protected_data 0
#define elf_backend_hash_symbol elf_aarch64_hash_symbol
#undef elf_backend_obj_attrs_section
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