/* IBM S/390-specific support for 32-bit ELF
- Copyright (C) 2000-2017 Free Software Foundation, Inc.
+ Copyright (C) 2000-2022 Free Software Foundation, Inc.
Contributed by Carl B. Pedersen and Martin Schwidefsky.
This file is part of BFD, the Binary File Descriptor library.
0, /* rightshift */
3, /* size (0 = byte, 1 = 2 byte, 2 = 4 byte) */
0, /* bitsize */
- FALSE, /* pc_relative */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_390_NONE", /* name */
- FALSE, /* partial_inplace */
+ false, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- FALSE), /* pcrel_offset */
-
- HOWTO(R_390_8, 0, 0, 8, FALSE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_8", FALSE, 0,0x000000ff, FALSE),
- HOWTO(R_390_12, 0, 1, 12, FALSE, 0, complain_overflow_dont,
- bfd_elf_generic_reloc, "R_390_12", FALSE, 0,0x00000fff, FALSE),
- HOWTO(R_390_16, 0, 1, 16, FALSE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_16", FALSE, 0,0x0000ffff, FALSE),
- HOWTO(R_390_32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_32", FALSE, 0,0xffffffff, FALSE),
- HOWTO(R_390_PC32, 0, 2, 32, TRUE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_PC32", FALSE, 0,0xffffffff, TRUE),
- HOWTO(R_390_GOT12, 0, 1, 12, FALSE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_GOT12", FALSE, 0,0x00000fff, FALSE),
- HOWTO(R_390_GOT32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_GOT32", FALSE, 0,0xffffffff, FALSE),
- HOWTO(R_390_PLT32, 0, 2, 32, TRUE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_PLT32", FALSE, 0,0xffffffff, TRUE),
- HOWTO(R_390_COPY, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_COPY", FALSE, 0,0xffffffff, FALSE),
- HOWTO(R_390_GLOB_DAT, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_GLOB_DAT", FALSE, 0,0xffffffff, FALSE),
- HOWTO(R_390_JMP_SLOT, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_JMP_SLOT", FALSE, 0,0xffffffff, FALSE),
- HOWTO(R_390_RELATIVE, 0, 2, 32, TRUE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_RELATIVE", FALSE, 0,0xffffffff, FALSE),
- HOWTO(R_390_GOTOFF32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_GOTOFF32", FALSE, 0,0xffffffff, FALSE),
- HOWTO(R_390_GOTPC, 0, 2, 32, TRUE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_GOTPC", FALSE, 0,0xffffffff, TRUE),
- HOWTO(R_390_GOT16, 0, 1, 16, FALSE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_GOT16", FALSE, 0,0x0000ffff, FALSE),
- HOWTO(R_390_PC16, 0, 1, 16, TRUE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_PC16", FALSE, 0,0x0000ffff, TRUE),
- HOWTO(R_390_PC16DBL, 1, 1, 16, TRUE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_PC16DBL", FALSE, 0,0x0000ffff, TRUE),
- HOWTO(R_390_PLT16DBL, 1, 1, 16, TRUE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_PLT16DBL", FALSE, 0,0x0000ffff, TRUE),
- HOWTO(R_390_PC32DBL, 1, 2, 32, TRUE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_PC32DBL", FALSE, 0,0xffffffff, TRUE),
- HOWTO(R_390_PLT32DBL, 1, 2, 32, TRUE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_PLT32DBL", FALSE, 0,0xffffffff, TRUE),
- HOWTO(R_390_GOTPCDBL, 1, 2, 32, TRUE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_GOTPCDBL", FALSE, 0,0xffffffff, TRUE),
+ false), /* pcrel_offset */
+
+ HOWTO(R_390_8, 0, 0, 8, false, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_8", false, 0,0x000000ff, false),
+ HOWTO(R_390_12, 0, 1, 12, false, 0, complain_overflow_dont,
+ bfd_elf_generic_reloc, "R_390_12", false, 0,0x00000fff, false),
+ HOWTO(R_390_16, 0, 1, 16, false, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_16", false, 0,0x0000ffff, false),
+ HOWTO(R_390_32, 0, 2, 32, false, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_32", false, 0,0xffffffff, false),
+ HOWTO(R_390_PC32, 0, 2, 32, true, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PC32", false, 0,0xffffffff, true),
+ HOWTO(R_390_GOT12, 0, 1, 12, false, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_GOT12", false, 0,0x00000fff, false),
+ HOWTO(R_390_GOT32, 0, 2, 32, false, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_GOT32", false, 0,0xffffffff, false),
+ HOWTO(R_390_PLT32, 0, 2, 32, true, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PLT32", false, 0,0xffffffff, true),
+ HOWTO(R_390_COPY, 0, 2, 32, false, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_COPY", false, 0,0xffffffff, false),
+ HOWTO(R_390_GLOB_DAT, 0, 2, 32, false, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_GLOB_DAT", false, 0,0xffffffff, false),
+ HOWTO(R_390_JMP_SLOT, 0, 2, 32, false, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_JMP_SLOT", false, 0,0xffffffff, false),
+ HOWTO(R_390_RELATIVE, 0, 2, 32, true, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_RELATIVE", false, 0,0xffffffff, false),
+ HOWTO(R_390_GOTOFF32, 0, 2, 32, false, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_GOTOFF32", false, 0,0xffffffff, false),
+ HOWTO(R_390_GOTPC, 0, 2, 32, true, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_GOTPC", false, 0,0xffffffff, true),
+ HOWTO(R_390_GOT16, 0, 1, 16, false, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_GOT16", false, 0,0x0000ffff, false),
+ HOWTO(R_390_PC16, 0, 1, 16, true, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PC16", false, 0,0x0000ffff, true),
+ HOWTO(R_390_PC16DBL, 1, 1, 16, true, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PC16DBL", false, 0,0x0000ffff, true),
+ HOWTO(R_390_PLT16DBL, 1, 1, 16, true, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PLT16DBL", false, 0,0x0000ffff, true),
+ HOWTO(R_390_PC32DBL, 1, 2, 32, true, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PC32DBL", false, 0,0xffffffff, true),
+ HOWTO(R_390_PLT32DBL, 1, 2, 32, true, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PLT32DBL", false, 0,0xffffffff, true),
+ HOWTO(R_390_GOTPCDBL, 1, 2, 32, true, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_GOTPCDBL", false, 0,0xffffffff, true),
EMPTY_HOWTO (R_390_64), /* Empty entry for R_390_64. */
EMPTY_HOWTO (R_390_PC64), /* Empty entry for R_390_PC64. */
EMPTY_HOWTO (R_390_GOT64), /* Empty entry for R_390_GOT64. */
EMPTY_HOWTO (R_390_PLT64), /* Empty entry for R_390_PLT64. */
- HOWTO(R_390_GOTENT, 1, 2, 32, TRUE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_GOTENT", FALSE, 0,0xffffffff, TRUE),
- HOWTO(R_390_GOTOFF16, 0, 1, 16, FALSE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_GOTOFF16", FALSE, 0,0x0000ffff, FALSE),
+ HOWTO(R_390_GOTENT, 1, 2, 32, true, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_GOTENT", false, 0,0xffffffff, true),
+ HOWTO(R_390_GOTOFF16, 0, 1, 16, false, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_GOTOFF16", false, 0,0x0000ffff, false),
EMPTY_HOWTO (R_390_GOTOFF64), /* Empty entry for R_390_GOTOFF64. */
- HOWTO(R_390_GOTPLT12, 0, 1, 12, FALSE, 0, complain_overflow_dont,
- bfd_elf_generic_reloc, "R_390_GOTPLT12", FALSE, 0,0x00000fff, FALSE),
- HOWTO(R_390_GOTPLT16, 0, 1, 16, FALSE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_GOTPLT16", FALSE, 0,0x0000ffff, FALSE),
- HOWTO(R_390_GOTPLT32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_GOTPLT32", FALSE, 0,0xffffffff, FALSE),
+ HOWTO(R_390_GOTPLT12, 0, 1, 12, false, 0, complain_overflow_dont,
+ bfd_elf_generic_reloc, "R_390_GOTPLT12", false, 0,0x00000fff, false),
+ HOWTO(R_390_GOTPLT16, 0, 1, 16, false, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_GOTPLT16", false, 0,0x0000ffff, false),
+ HOWTO(R_390_GOTPLT32, 0, 2, 32, false, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_GOTPLT32", false, 0,0xffffffff, false),
EMPTY_HOWTO (R_390_GOTPLT64), /* Empty entry for R_390_GOTPLT64. */
- HOWTO(R_390_GOTPLTENT, 1, 2, 32, TRUE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_GOTPLTENT",FALSE, 0,0xffffffff, TRUE),
- HOWTO(R_390_PLTOFF16, 0, 1, 16, FALSE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_PLTOFF16", FALSE, 0,0x0000ffff, FALSE),
- HOWTO(R_390_PLTOFF32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_PLTOFF32", FALSE, 0,0xffffffff, FALSE),
+ HOWTO(R_390_GOTPLTENT, 1, 2, 32, true, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_GOTPLTENT",false, 0,0xffffffff, true),
+ HOWTO(R_390_PLTOFF16, 0, 1, 16, false, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PLTOFF16", false, 0,0x0000ffff, false),
+ HOWTO(R_390_PLTOFF32, 0, 2, 32, false, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PLTOFF32", false, 0,0xffffffff, false),
EMPTY_HOWTO (R_390_PLTOFF64), /* Empty entry for R_390_PLTOFF64. */
- HOWTO(R_390_TLS_LOAD, 0, 0, 0, FALSE, 0, complain_overflow_dont,
- s390_tls_reloc, "R_390_TLS_LOAD", FALSE, 0, 0, FALSE),
- HOWTO(R_390_TLS_GDCALL, 0, 0, 0, FALSE, 0, complain_overflow_dont,
- s390_tls_reloc, "R_390_TLS_GDCALL", FALSE, 0, 0, FALSE),
- HOWTO(R_390_TLS_LDCALL, 0, 0, 0, FALSE, 0, complain_overflow_dont,
- s390_tls_reloc, "R_390_TLS_LDCALL", FALSE, 0, 0, FALSE),
- HOWTO(R_390_TLS_GD32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_TLS_GD32", FALSE, 0, 0xffffffff, FALSE),
+ HOWTO(R_390_TLS_LOAD, 0, 0, 0, false, 0, complain_overflow_dont,
+ s390_tls_reloc, "R_390_TLS_LOAD", false, 0, 0, false),
+ HOWTO(R_390_TLS_GDCALL, 0, 0, 0, false, 0, complain_overflow_dont,
+ s390_tls_reloc, "R_390_TLS_GDCALL", false, 0, 0, false),
+ HOWTO(R_390_TLS_LDCALL, 0, 0, 0, false, 0, complain_overflow_dont,
+ s390_tls_reloc, "R_390_TLS_LDCALL", false, 0, 0, false),
+ HOWTO(R_390_TLS_GD32, 0, 2, 32, false, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_TLS_GD32", false, 0, 0xffffffff, false),
EMPTY_HOWTO (R_390_TLS_GD64), /* Empty entry for R_390_TLS_GD64. */
- HOWTO(R_390_TLS_GOTIE12, 0, 1, 12, FALSE, 0, complain_overflow_dont,
- bfd_elf_generic_reloc, "R_390_TLS_GOTIE12", FALSE, 0, 0x00000fff, FALSE),
- HOWTO(R_390_TLS_GOTIE32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_TLS_GOTIE32", FALSE, 0, 0xffffffff, FALSE),
+ HOWTO(R_390_TLS_GOTIE12, 0, 1, 12, false, 0, complain_overflow_dont,
+ bfd_elf_generic_reloc, "R_390_TLS_GOTIE12", false, 0, 0x00000fff, false),
+ HOWTO(R_390_TLS_GOTIE32, 0, 2, 32, false, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_TLS_GOTIE32", false, 0, 0xffffffff, false),
EMPTY_HOWTO (R_390_TLS_GOTIE64), /* Empty entry for R_390_TLS_GOTIE64. */
- HOWTO(R_390_TLS_LDM32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_TLS_LDM32", FALSE, 0, 0xffffffff, FALSE),
+ HOWTO(R_390_TLS_LDM32, 0, 2, 32, false, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_TLS_LDM32", false, 0, 0xffffffff, false),
EMPTY_HOWTO (R_390_TLS_LDM64), /* Empty entry for R_390_TLS_LDM64. */
- HOWTO(R_390_TLS_IE32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_TLS_IE32", FALSE, 0, 0xffffffff, FALSE),
+ HOWTO(R_390_TLS_IE32, 0, 2, 32, false, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_TLS_IE32", false, 0, 0xffffffff, false),
EMPTY_HOWTO (R_390_TLS_IE64), /* Empty entry for R_390_TLS_IE64. */
- HOWTO(R_390_TLS_IEENT, 1, 2, 32, TRUE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_TLS_IEENT", FALSE, 0, 0xffffffff, TRUE),
- HOWTO(R_390_TLS_LE32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_TLS_LE32", FALSE, 0, 0xffffffff, FALSE),
+ HOWTO(R_390_TLS_IEENT, 1, 2, 32, true, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_TLS_IEENT", false, 0, 0xffffffff, true),
+ HOWTO(R_390_TLS_LE32, 0, 2, 32, false, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_TLS_LE32", false, 0, 0xffffffff, false),
EMPTY_HOWTO (R_390_TLS_LE64), /* Empty entry for R_390_TLS_LE64. */
- HOWTO(R_390_TLS_LDO32, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_TLS_LDO32", FALSE, 0, 0xffffffff, FALSE),
+ HOWTO(R_390_TLS_LDO32, 0, 2, 32, false, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_TLS_LDO32", false, 0, 0xffffffff, false),
EMPTY_HOWTO (R_390_TLS_LDO64), /* Empty entry for R_390_TLS_LDO64. */
- HOWTO(R_390_TLS_DTPMOD, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_TLS_DTPMOD", FALSE, 0, 0xffffffff, FALSE),
- HOWTO(R_390_TLS_DTPOFF, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_TLS_DTPOFF", FALSE, 0, 0xffffffff, FALSE),
- HOWTO(R_390_TLS_TPOFF, 0, 2, 32, FALSE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_TLS_TPOFF", FALSE, 0, 0xffffffff, FALSE),
- HOWTO(R_390_20, 0, 2, 20, FALSE, 8, complain_overflow_dont,
- s390_elf_ldisp_reloc, "R_390_20", FALSE, 0,0x0fffff00, FALSE),
- HOWTO(R_390_GOT20, 0, 2, 20, FALSE, 8, complain_overflow_dont,
- s390_elf_ldisp_reloc, "R_390_GOT20", FALSE, 0,0x0fffff00, FALSE),
- HOWTO(R_390_GOTPLT20, 0, 2, 20, FALSE, 8, complain_overflow_dont,
- s390_elf_ldisp_reloc, "R_390_GOTPLT20", FALSE, 0,0x0fffff00, FALSE),
- HOWTO(R_390_TLS_GOTIE20, 0, 2, 20, FALSE, 8, complain_overflow_dont,
- s390_elf_ldisp_reloc, "R_390_TLS_GOTIE20", FALSE, 0,0x0fffff00, FALSE),
- HOWTO(R_390_IRELATIVE, 0, 2, 32, TRUE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_IRELATIVE", FALSE, 0, 0xffffffff, FALSE),
- HOWTO(R_390_PC12DBL, 1, 1, 12, TRUE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_PC12DBL", FALSE, 0,0x00000fff, TRUE),
- HOWTO(R_390_PLT12DBL, 1, 1, 12, TRUE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_PLT12DBL", FALSE, 0,0x00000fff, TRUE),
- HOWTO(R_390_PC24DBL, 1, 2, 24, TRUE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_PC24DBL", FALSE, 0,0x00ffffff, TRUE),
- HOWTO(R_390_PLT24DBL, 1, 2, 24, TRUE, 0, complain_overflow_bitfield,
- bfd_elf_generic_reloc, "R_390_PLT24DBL", FALSE, 0,0x00ffffff, TRUE),
+ HOWTO(R_390_TLS_DTPMOD, 0, 2, 32, false, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_TLS_DTPMOD", false, 0, 0xffffffff, false),
+ HOWTO(R_390_TLS_DTPOFF, 0, 2, 32, false, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_TLS_DTPOFF", false, 0, 0xffffffff, false),
+ HOWTO(R_390_TLS_TPOFF, 0, 2, 32, false, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_TLS_TPOFF", false, 0, 0xffffffff, false),
+ HOWTO(R_390_20, 0, 2, 20, false, 8, complain_overflow_dont,
+ s390_elf_ldisp_reloc, "R_390_20", false, 0,0x0fffff00, false),
+ HOWTO(R_390_GOT20, 0, 2, 20, false, 8, complain_overflow_dont,
+ s390_elf_ldisp_reloc, "R_390_GOT20", false, 0,0x0fffff00, false),
+ HOWTO(R_390_GOTPLT20, 0, 2, 20, false, 8, complain_overflow_dont,
+ s390_elf_ldisp_reloc, "R_390_GOTPLT20", false, 0,0x0fffff00, false),
+ HOWTO(R_390_TLS_GOTIE20, 0, 2, 20, false, 8, complain_overflow_dont,
+ s390_elf_ldisp_reloc, "R_390_TLS_GOTIE20", false, 0,0x0fffff00, false),
+ HOWTO(R_390_IRELATIVE, 0, 2, 32, true, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_IRELATIVE", false, 0, 0xffffffff, false),
+ HOWTO(R_390_PC12DBL, 1, 1, 12, true, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PC12DBL", false, 0,0x00000fff, true),
+ HOWTO(R_390_PLT12DBL, 1, 1, 12, true, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PLT12DBL", false, 0,0x00000fff, true),
+ HOWTO(R_390_PC24DBL, 1, 2, 24, true, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PC24DBL", false, 0,0x00ffffff, true),
+ HOWTO(R_390_PLT24DBL, 1, 2, 24, true, 0, complain_overflow_bitfield,
+ bfd_elf_generic_reloc, "R_390_PLT24DBL", false, 0,0x00ffffff, true),
};
/* GNU extension to record C++ vtable hierarchy. */
static reloc_howto_type elf32_s390_vtinherit_howto =
- HOWTO (R_390_GNU_VTINHERIT, 0,2,0,FALSE,0,complain_overflow_dont, NULL, "R_390_GNU_VTINHERIT", FALSE,0, 0, FALSE);
+ HOWTO (R_390_GNU_VTINHERIT, 0,2,0,false,0,complain_overflow_dont, NULL, "R_390_GNU_VTINHERIT", false,0, 0, false);
static reloc_howto_type elf32_s390_vtentry_howto =
- HOWTO (R_390_GNU_VTENTRY, 0,2,0,FALSE,0,complain_overflow_dont, _bfd_elf_rel_vtable_reloc_fn,"R_390_GNU_VTENTRY", FALSE,0,0, FALSE);
+ HOWTO (R_390_GNU_VTENTRY, 0,2,0,false,0,complain_overflow_dont, _bfd_elf_rel_vtable_reloc_fn,"R_390_GNU_VTENTRY", false,0,0, false);
static reloc_howto_type *
elf_s390_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
/* We need to use ELF32_R_TYPE so we have our own copy of this function,
and elf32-s390.c has its own copy. */
-static void
-elf_s390_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
+static bool
+elf_s390_info_to_howto (bfd *abfd,
arelent *cache_ptr,
Elf_Internal_Rela *dst)
{
unsigned int r_type = ELF32_R_TYPE(dst->r_info);
+
switch (r_type)
{
case R_390_GNU_VTINHERIT:
if (r_type >= sizeof (elf_howto_table) / sizeof (elf_howto_table[0]))
{
/* xgettext:c-format */
- _bfd_error_handler (_("%B: invalid relocation type %d"),
- abfd, (int) r_type);
- r_type = R_390_NONE;
+ _bfd_error_handler (_("%pB: unsupported relocation type %#x"),
+ abfd, r_type);
+ bfd_set_error (bfd_error_bad_value);
+ return false;
}
cache_ptr->howto = &elf_howto_table[r_type];
}
+
+ return true;
}
/* A relocation function which doesn't do anything. */
return bfd_reloc_ok;
}
-static bfd_boolean
+static bool
elf_s390_is_local_label_name (bfd *abfd, const char *name)
{
if (name[0] == '.' && (name[1] == 'X' || name[1] == 'L'))
- return TRUE;
+ return true;
return _bfd_elf_is_local_label_name (abfd, name);
}
and insert the address in the GOT.
Note: 390 can only address +- 64 K relative.
- We check if offset > 65536, then make a relative branch -64xxx
- back to a previous defined branch
-
-PLT1: BASR 1,0 # 2 bytes
- L 1,22(1) # 4 bytes Load offset in GOT in r 1
- L 1,(1,12) # 4 bytes Load address from GOT in r1
- BCR 15,1 # 2 bytes Jump to address
-RET1: BASR 1,0 # 2 bytes Return from GOT 1st time
- L 1,14(1) # 4 bytes Load offset in symol table in r1
+ We check if offset > 65536, then make a relative branch -64xxx
+ back to a previous defined branch
+
+PLT1: BASR 1,0 # 2 bytes
+ L 1,22(1) # 4 bytes Load offset in GOT in r 1
+ L 1,(1,12) # 4 bytes Load address from GOT in r1
+ BCR 15,1 # 2 bytes Jump to address
+RET1: BASR 1,0 # 2 bytes Return from GOT 1st time
+ L 1,14(1) # 4 bytes Load offset in symol table in r1
BRC 15,-x # 4 bytes Jump to start of PLT
- .word 0 # 2 bytes filler
- .long ? # 4 bytes offset in GOT
- .long ? # 4 bytes offset into rela.plt
+ .word 0 # 2 bytes filler
+ .long ? # 4 bytes offset in GOT
+ .long ? # 4 bytes offset into rela.plt
This was the general case. There are two additional, optimizes PLT
definitions. One for GOT offsets < 4096 and one for GOT offsets < 32768.
First the one for GOT offsets < 4096:
-PLT1: L 1,<offset>(12) # 4 bytes Load address from GOT in R1
- BCR 15,1 # 2 bytes Jump to address
- .word 0,0,0 # 6 bytes filler
-RET1: BASR 1,0 # 2 bytes Return from GOT 1st time
- L 1,14(1) # 4 bytes Load offset in rela.plt in r1
- BRC 15,-x # 4 bytes Jump to start of PLT
- .word 0,0,0 # 6 bytes filler
- .long ? # 4 bytes offset into rela.plt
+PLT1: L 1,<offset>(12) # 4 bytes Load address from GOT in R1
+ BCR 15,1 # 2 bytes Jump to address
+ .word 0,0,0 # 6 bytes filler
+RET1: BASR 1,0 # 2 bytes Return from GOT 1st time
+ L 1,14(1) # 4 bytes Load offset in rela.plt in r1
+ BRC 15,-x # 4 bytes Jump to start of PLT
+ .word 0,0,0 # 6 bytes filler
+ .long ? # 4 bytes offset into rela.plt
Second the one for GOT offsets < 32768:
-PLT1: LHI 1,<offset> # 4 bytes Load offset in GOT to r1
- L 1,(1,12) # 4 bytes Load address from GOT to r1
- BCR 15,1 # 2 bytes Jump to address
- .word 0 # 2 bytes filler
-RET1: BASR 1,0 # 2 bytes Return from GOT 1st time
- L 1,14(1) # 4 bytes Load offset in rela.plt in r1
- BRC 15,-x # 4 bytes Jump to start of PLT
- .word 0,0,0 # 6 bytes filler
- .long ? # 4 bytes offset into rela.plt
+PLT1: LHI 1,<offset> # 4 bytes Load offset in GOT to r1
+ L 1,(1,12) # 4 bytes Load address from GOT to r1
+ BCR 15,1 # 2 bytes Jump to address
+ .word 0 # 2 bytes filler
+RET1: BASR 1,0 # 2 bytes Return from GOT 1st time
+ L 1,14(1) # 4 bytes Load offset in rela.plt in r1
+ BRC 15,-x # 4 bytes Jump to start of PLT
+ .word 0,0,0 # 6 bytes filler
+ .long ? # 4 bytes offset into rela.plt
Total = 32 bytes per PLT entry
The code for static build PLT entries looks like this:
-PLT1: BASR 1,0 # 2 bytes
- L 1,22(1) # 4 bytes Load address of GOT entry
- L 1,0(0,1) # 4 bytes Load address from GOT in r1
- BCR 15,1 # 2 bytes Jump to address
-RET1: BASR 1,0 # 2 bytes Return from GOT 1st time
- L 1,14(1) # 4 bytes Load offset in symbol table in r1
+PLT1: BASR 1,0 # 2 bytes
+ L 1,22(1) # 4 bytes Load address of GOT entry
+ L 1,0(0,1) # 4 bytes Load address from GOT in r1
+ BCR 15,1 # 2 bytes Jump to address
+RET1: BASR 1,0 # 2 bytes Return from GOT 1st time
+ L 1,14(1) # 4 bytes Load offset in symbol table in r1
BRC 15,-x # 4 bytes Jump to start of PLT
- .word 0 # 2 bytes filler
- .long ? # 4 bytes address of GOT entry
- .long ? # 4 bytes offset into rela.plt */
+ .word 0 # 2 bytes filler
+ .long ? # 4 bytes address of GOT entry
+ .long ? # 4 bytes offset into rela.plt */
static const bfd_byte elf_s390_plt_entry[PLT_ENTRY_SIZE] =
{
- 0x0d, 0x10, /* basr %r1,%r0 */
- 0x58, 0x10, 0x10, 0x16, /* l %r1,22(%r1) */
- 0x58, 0x10, 0x10, 0x00, /* l %r1,0(%r1) */
- 0x07, 0xf1, /* br %r1 */
- 0x0d, 0x10, /* basr %r1,%r0 */
- 0x58, 0x10, 0x10, 0x0e, /* l %r1,14(%r1) */
- 0xa7, 0xf4, 0x00, 0x00, /* j first plt */
- 0x00, 0x00, /* padding */
- 0x00, 0x00, 0x00, 0x00, /* GOT offset */
- 0x00, 0x00, 0x00, 0x00 /* rela.plt offset */
+ 0x0d, 0x10, /* basr %r1,%r0 */
+ 0x58, 0x10, 0x10, 0x16, /* l %r1,22(%r1) */
+ 0x58, 0x10, 0x10, 0x00, /* l %r1,0(%r1) */
+ 0x07, 0xf1, /* br %r1 */
+ 0x0d, 0x10, /* basr %r1,%r0 */
+ 0x58, 0x10, 0x10, 0x0e, /* l %r1,14(%r1) */
+ 0xa7, 0xf4, 0x00, 0x00, /* j first plt */
+ 0x00, 0x00, /* padding */
+ 0x00, 0x00, 0x00, 0x00, /* GOT offset */
+ 0x00, 0x00, 0x00, 0x00 /* rela.plt offset */
};
/* Generic PLT pic entry. */
static const bfd_byte elf_s390_plt_pic_entry[PLT_ENTRY_SIZE] =
{
- 0x0d, 0x10, /* basr %r1,%r0 */
- 0x58, 0x10, 0x10, 0x16, /* l %r1,22(%r1) */
- 0x58, 0x11, 0xc0, 0x00, /* l %r1,0(%r1,%r12) */
- 0x07, 0xf1, /* br %r1 */
- 0x0d, 0x10, /* basr %r1,%r0 */
- 0x58, 0x10, 0x10, 0x0e, /* l %r1,14(%r1) */
- 0xa7, 0xf4, 0x00, 0x00, /* j first plt */
- 0x00, 0x00, /* padding */
- 0x00, 0x00, 0x00, 0x00, /* GOT offset */
- 0x00, 0x00, 0x00, 0x00 /* rela.plt offset */
+ 0x0d, 0x10, /* basr %r1,%r0 */
+ 0x58, 0x10, 0x10, 0x16, /* l %r1,22(%r1) */
+ 0x58, 0x11, 0xc0, 0x00, /* l %r1,0(%r1,%r12) */
+ 0x07, 0xf1, /* br %r1 */
+ 0x0d, 0x10, /* basr %r1,%r0 */
+ 0x58, 0x10, 0x10, 0x0e, /* l %r1,14(%r1) */
+ 0xa7, 0xf4, 0x00, 0x00, /* j first plt */
+ 0x00, 0x00, /* padding */
+ 0x00, 0x00, 0x00, 0x00, /* GOT offset */
+ 0x00, 0x00, 0x00, 0x00 /* rela.plt offset */
};
/* Optimized PLT pic entry for GOT offset < 4k. xx will be replaced
when generating the PLT slot with the GOT offset. */
static const bfd_byte elf_s390_plt_pic12_entry[PLT_ENTRY_SIZE] =
{
- 0x58, 0x10, 0xc0, 0x00, /* l %r1,xx(%r12) */
- 0x07, 0xf1, /* br %r1 */
- 0x00, 0x00, 0x00, 0x00, /* padding */
+ 0x58, 0x10, 0xc0, 0x00, /* l %r1,xx(%r12) */
+ 0x07, 0xf1, /* br %r1 */
+ 0x00, 0x00, 0x00, 0x00, /* padding */
0x00, 0x00,
- 0x0d, 0x10, /* basr %r1,%r0 */
- 0x58, 0x10, 0x10, 0x0e, /* l %r1,14(%r1) */
- 0xa7, 0xf4, 0x00, 0x00, /* j first plt */
+ 0x0d, 0x10, /* basr %r1,%r0 */
+ 0x58, 0x10, 0x10, 0x0e, /* l %r1,14(%r1) */
+ 0xa7, 0xf4, 0x00, 0x00, /* j first plt */
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00
};
when generating the PLT slot with the GOT offset. */
static const bfd_byte elf_s390_plt_pic16_entry[PLT_ENTRY_SIZE] =
{
- 0xa7, 0x18, 0x00, 0x00, /* lhi %r1,xx */
- 0x58, 0x11, 0xc0, 0x00, /* l %r1,0(%r1,%r12) */
- 0x07, 0xf1, /* br %r1 */
+ 0xa7, 0x18, 0x00, 0x00, /* lhi %r1,xx */
+ 0x58, 0x11, 0xc0, 0x00, /* l %r1,0(%r1,%r12) */
+ 0x07, 0xf1, /* br %r1 */
0x00, 0x00,
- 0x0d, 0x10, /* basr %r1,%r0 */
- 0x58, 0x10, 0x10, 0x0e, /* l %r1,14(%r1) */
- 0xa7, 0xf4, 0x00, 0x00, /* j first plt */
+ 0x0d, 0x10, /* basr %r1,%r0 */
+ 0x58, 0x10, 0x10, 0x0e, /* l %r1,14(%r1) */
+ 0xa7, 0xf4, 0x00, 0x00, /* j first plt */
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00
/* The first entry in the PLT for PIC code:
PLT0:
- ST 1,28(15) # R1 has offset into rela.plt
- L 1,4(12) # Get loader ino(object struct address)
- ST 1,24(15) # Store address
- L 1,8(12) # Entry address of loader in R1
- BR 1 # Jump to loader
+ ST 1,28(15) # R1 has offset into rela.plt
+ L 1,4(12) # Get loader ino(object struct address)
+ ST 1,24(15) # Store address
+ L 1,8(12) # Entry address of loader in R1
+ BR 1 # Jump to loader
The first entry in the PLT for static code:
PLT0:
- ST 1,28(15) # R1 has offset into rela.plt
+ ST 1,28(15) # R1 has offset into rela.plt
BASR 1,0
- L 1,18(0,1) # Get address of GOT
- MVC 24(4,15),4(1) # Move loader ino to stack
- L 1,8(1) # Get address of loader
- BR 1 # Jump to loader
- .word 0 # filler
- .long got # address of GOT */
+ L 1,18(0,1) # Get address of GOT
+ MVC 24(4,15),4(1) # Move loader ino to stack
+ L 1,8(1) # Get address of loader
+ BR 1 # Jump to loader
+ .word 0 # filler
+ .long got # address of GOT */
static const bfd_byte elf_s390_plt_first_entry[PLT_FIRST_ENTRY_SIZE] =
{
- 0x50, 0x10, 0xf0, 0x1c, /* st %r1,28(%r15) */
- 0x0d, 0x10, /* basr %r1,%r0 */
- 0x58, 0x10, 0x10, 0x12, /* l %r1,18(%r1) */
- 0xd2, 0x03, 0xf0, 0x18, 0x10, 0x04, /* mvc 24(4,%r15),4(%r1) */
- 0x58, 0x10, 0x10, 0x08, /* l %r1,8(%r1) */
- 0x07, 0xf1, /* br %r1 */
+ 0x50, 0x10, 0xf0, 0x1c, /* st %r1,28(%r15) */
+ 0x0d, 0x10, /* basr %r1,%r0 */
+ 0x58, 0x10, 0x10, 0x12, /* l %r1,18(%r1) */
+ 0xd2, 0x03, 0xf0, 0x18, 0x10, 0x04, /* mvc 24(4,%r15),4(%r1) */
+ 0x58, 0x10, 0x10, 0x08, /* l %r1,8(%r1) */
+ 0x07, 0xf1, /* br %r1 */
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00
static const bfd_byte elf_s390_plt_pic_first_entry[PLT_FIRST_ENTRY_SIZE] =
{
- 0x50, 0x10, 0xf0, 0x1c, /* st %r1,28(%r15) */
- 0x58, 0x10, 0xc0, 0x04, /* l %r1,4(%r12) */
- 0x50, 0x10, 0xf0, 0x18, /* st %r1,24(%r15) */
- 0x58, 0x10, 0xc0, 0x08, /* l %r1,8(%r12) */
- 0x07, 0xf1, /* br %r1 */
+ 0x50, 0x10, 0xf0, 0x1c, /* st %r1,28(%r15) */
+ 0x58, 0x10, 0xc0, 0x04, /* l %r1,4(%r12) */
+ 0x50, 0x10, 0xf0, 0x18, /* st %r1,24(%r15) */
+ 0x58, 0x10, 0xc0, 0x08, /* l %r1,8(%r12) */
+ 0x07, 0xf1, /* br %r1 */
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
{
struct elf_link_hash_entry elf;
- /* Track dynamic relocs copied for this symbol. */
- struct elf_dyn_relocs *dyn_relocs;
-
/* Number of GOTPLT references for a function. */
bfd_signed_vma gotplt_refcount;
&& elf_tdata (bfd) != NULL \
&& elf_object_id (bfd) == S390_ELF_DATA)
-static bfd_boolean
+static bool
elf_s390_mkobject (bfd *abfd)
{
return bfd_elf_allocate_object (abfd, sizeof (struct elf_s390_obj_tdata),
S390_ELF_DATA);
}
-static bfd_boolean
+static bool
elf_s390_object_p (bfd *abfd)
{
/* Set the right machine number for an s390 elf32 file. */
bfd_signed_vma refcount;
bfd_vma offset;
} tls_ldm_got;
-
- /* Small local sym cache. */
- struct sym_cache sym_cache;
};
/* Get the s390 ELF linker hash table from a link_info structure. */
#define elf_s390_hash_table(p) \
- (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
- == S390_ELF_DATA ? ((struct elf_s390_link_hash_table *) ((p)->hash)) : NULL)
+ ((is_elf_hash_table ((p)->hash) \
+ && elf_hash_table_id (elf_hash_table (p)) == S390_ELF_DATA) \
+ ? (struct elf_s390_link_hash_table *) (p)->hash : NULL)
#undef ELF64
#include "elf-s390-common.c"
struct elf_s390_link_hash_entry *eh;
eh = (struct elf_s390_link_hash_entry *) entry;
- eh->dyn_relocs = NULL;
eh->gotplt_refcount = 0;
eh->tls_type = GOT_UNKNOWN;
eh->ifunc_resolver_address = 0;
elf_s390_link_hash_table_create (bfd *abfd)
{
struct elf_s390_link_hash_table *ret;
- bfd_size_type amt = sizeof (struct elf_s390_link_hash_table);
+ size_t amt = sizeof (struct elf_s390_link_hash_table);
ret = (struct elf_s390_link_hash_table *) bfd_zmalloc (amt);
if (ret == NULL)
edir = (struct elf_s390_link_hash_entry *) dir;
eind = (struct elf_s390_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
&& dir->got.refcount <= 0)
{
allocate space in the global offset table or procedure linkage
table. */
-static bfd_boolean
+static bool
elf_s390_check_relocs (bfd *abfd,
struct bfd_link_info *info,
asection *sec,
Elf_Internal_Sym *isym;
if (bfd_link_relocatable (info))
- return TRUE;
+ return true;
BFD_ASSERT (is_s390_elf (abfd));
if (r_symndx >= NUM_SHDR_ENTRIES (symtab_hdr))
{
/* xgettext:c-format */
- _bfd_error_handler (_("%B: bad symbol index: %d"),
+ _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->elf.sym_cache,
abfd, r_symndx);
if (isym == NULL)
- return FALSE;
+ return false;
if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
{
htab->elf.dynobj = abfd;
if (!s390_elf_create_ifunc_sections (htab->elf.dynobj, info))
- return FALSE;
+ return false;
if (local_got_refcounts == NULL)
{
if (!elf_s390_allocate_local_syminfo (abfd, symtab_hdr))
- return FALSE;
+ return false;
local_got_refcounts = elf_local_got_refcounts (abfd);
}
plt = elf_s390_local_plt (abfd);
while (h->root.type == bfd_link_hash_indirect
|| h->root.type == bfd_link_hash_warning)
h = (struct elf_link_hash_entry *) h->root.u.i.link;
-
- /* PR15323, ref flags aren't set for references in the same
- object. */
- h->root.non_ir_ref_regular = 1;
}
/* Create got section and local_got_refcounts array if they
&& local_got_refcounts == NULL)
{
if (!elf_s390_allocate_local_syminfo (abfd, symtab_hdr))
- return FALSE;
+ return false;
local_got_refcounts = elf_local_got_refcounts (abfd);
}
/* Fall through. */
if (htab->elf.dynobj == NULL)
htab->elf.dynobj = abfd;
if (!_bfd_elf_create_got_section (htab->elf.dynobj, info))
- return FALSE;
+ return false;
}
}
if (htab->elf.dynobj == NULL)
htab->elf.dynobj = abfd;
if (!s390_elf_create_ifunc_sections (htab->elf.dynobj, info))
- return FALSE;
+ return false;
/* Make sure an IFUNC symbol defined in a non-shared object
always gets a PLT slot. */
{
_bfd_error_handler
/* xgettext:c-format */
- (_("%B: `%s' accessed both as normal and thread local symbol"),
+ (_("%pB: `%s' accessed both as normal and thread local symbol"),
abfd, h->root.root.string);
- return FALSE;
+ return false;
}
if (old_tls_type > tls_type)
tls_type = old_tls_type;
htab->elf.dynobj = abfd;
sreloc = _bfd_elf_make_dynamic_reloc_section
- (sec, htab->elf.dynobj, 2, abfd, /*rela?*/ TRUE);
+ (sec, htab->elf.dynobj, 2, 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)
{
- head = &((struct elf_s390_link_hash_entry *) h)->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->elf.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 = *head;
if (p == NULL || p->sec != sec)
{
- bfd_size_type amt = sizeof *p;
+ size_t amt = sizeof *p;
p = ((struct elf_dyn_relocs *)
bfd_alloc (htab->elf.dynobj, amt));
if (p == NULL)
- return FALSE;
+ return false;
p->next = *head;
*head = p;
p->sec = sec;
Reconstruct it for later use during GC. */
case R_390_GNU_VTINHERIT:
if (!bfd_elf_gc_record_vtinherit (abfd, sec, h, rel->r_offset))
- return FALSE;
+ return false;
break;
/* This relocation describes which C++ vtable entries are actually
used. Record for later use during GC. */
case R_390_GNU_VTENTRY:
- BFD_ASSERT (h != NULL);
- if (h != NULL
- && !bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
- return FALSE;
+ if (!bfd_elf_gc_record_vtentry (abfd, sec, h, rel->r_addend))
+ return false;
break;
default:
}
}
- return TRUE;
+ return true;
}
/* Return the section that should be marked against GC for a given
change the definition to something the rest of the link can
understand. */
-static bfd_boolean
+static bool
elf_s390_adjust_dynamic_symbol (struct bfd_link_info *info,
struct elf_link_hash_entry *h)
{
{
bfd_size_type pc_count = 0, count = 0;
struct elf_dyn_relocs **pp;
- struct elf_s390_link_hash_entry *eh;
struct elf_dyn_relocs *p;
- eh = (struct elf_s390_link_hash_entry *) h;
- for (pp = &eh->dyn_relocs; (p = *pp) != NULL; )
+ for (pp = &h->dyn_relocs; (p = *pp) != NULL; )
{
pc_count += p->pc_count;
p->count -= p->pc_count;
h->plt.offset = (bfd_vma) -1;
h->needs_plt = 0;
}
- return TRUE;
+ return true;
}
/* If this is a function, put it in the procedure linkage table. We
elf_s390_adjust_gotplt((struct elf_s390_link_hash_entry *) h);
}
- return TRUE;
+ return true;
}
else
/* It's possible that we incorrectly decided a .plt reloc was
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;
}
/* This is a reference to a symbol defined by a dynamic object which
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 we don't find any dynamic relocs in read-only sections, then
+ we'll be keeping the dynamic relocs and avoiding the copy reloc. */
+ if (ELIMINATE_COPY_RELOCS && !_bfd_elf_readonly_dynrelocs (h))
{
- struct elf_s390_link_hash_entry * eh;
- struct elf_dyn_relocs *p;
-
- eh = (struct elf_s390_link_hash_entry *) h;
- for (p = eh->dyn_relocs; p != NULL; p = p->next)
- {
- s = p->sec->output_section;
- if (s != NULL && (s->flags & SEC_READONLY) != 0)
- break;
- }
-
- /* If we didn't find any dynamic relocs in read-only sections, then
- we'll be keeping the dynamic relocs and avoiding the copy reloc. */
- if (p == NULL)
- {
- h->non_got_ref = 0;
- return TRUE;
- }
+ h->non_got_ref = 0;
+ return true;
}
/* We must allocate the symbol in our .dynbss section, which will
/* Allocate space in .plt, .got and associated reloc sections for
dynamic relocs. */
-static bfd_boolean
+static bool
allocate_dynrelocs (struct elf_link_hash_entry *h, void * inf)
{
struct bfd_link_info *info;
struct elf_s390_link_hash_table *htab;
- struct elf_s390_link_hash_entry *eh = (struct elf_s390_link_hash_entry *)h;
struct elf_dyn_relocs *p;
if (h->root.type == bfd_link_hash_indirect)
- return TRUE;
+ return true;
info = (struct bfd_link_info *) inf;
htab = elf_s390_hash_table (info);
&& !h->forced_local)
{
if (! bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
+ return false;
}
if (bfd_link_pic (info)
}
else
{
- h->plt.offset = (bfd_vma) -1;
+ h->plt.offset = (bfd_vma) -1;
h->needs_plt = 0;
elf_s390_adjust_gotplt((struct elf_s390_link_hash_entry *) h);
}
else if (h->got.refcount > 0)
{
asection *s;
- bfd_boolean dyn;
+ bool dyn;
int tls_type = elf_s390_hash_entry(h)->tls_type;
/* Make sure this symbol is output as a dynamic symbol.
&& !h->forced_local)
{
if (! bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
+ return false;
}
s = htab->elf.sgot;
else
h->got.offset = (bfd_vma) -1;
- if (eh->dyn_relocs == NULL)
- return TRUE;
+ if (h->dyn_relocs == NULL)
+ return true;
/* 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
+ 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)
{
if (! bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
+ return false;
}
}
}
&& !h->forced_local)
{
if (! bfd_elf_link_record_dynamic_symbol (info, h))
- return FALSE;
+ return false;
}
/* If that succeeded, we know we'll be keeping all the
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 = elf_section_data (p->sec)->sreloc;
sreloc->size += p->count * sizeof (Elf32_External_Rela);
}
- return TRUE;
-}
-
-/* Find any dynamic relocs that apply to read-only sections. */
-
-static bfd_boolean
-readonly_dynrelocs (struct elf_link_hash_entry *h, void * inf)
-{
- struct elf_s390_link_hash_entry *eh;
- struct elf_dyn_relocs *p;
-
- eh = (struct elf_s390_link_hash_entry *) h;
- for (p = eh->dyn_relocs; p != NULL; p = p->next)
- {
- asection *s = p->sec->output_section;
-
- if (s != NULL && (s->flags & SEC_READONLY) != 0)
- {
- struct bfd_link_info *info = (struct bfd_link_info *) inf;
-
- info->flags |= DF_TEXTREL;
-
- /* Not an error, just cut short the traversal. */
- return FALSE;
- }
- }
- return TRUE;
+ return true;
}
/* Set the sizes of the dynamic sections. */
-static bfd_boolean
+static bool
elf_s390_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
struct bfd_link_info *info)
{
struct elf_s390_link_hash_table *htab;
bfd *dynobj;
asection *s;
- bfd_boolean relocs;
+ bool relocs;
bfd *ibfd;
htab = elf_s390_hash_table (info);
htab->elf.irelplt->size += RELA_ENTRY_SIZE;
}
else
- local_plt[i].plt.offset = (bfd_vma) -1;
+ local_plt[i].plt.offset = (bfd_vma) -1;
}
}
/* 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_get_section_name (dynobj, s), ".rela"))
+ else if (startswith (bfd_section_name (s), ".rela"))
{
if (s->size != 0)
- 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;
- }
-
- if (htab->elf.dynamic_sections_created)
- {
- /* Add some entries to the .dynamic section. We fill in the
- values later, in elf_s390_finish_dynamic_sections, but we
- must add the entries now so that we get the correct size for
- the .dynamic section. The DT_DEBUG entry is filled in by the
- dynamic linker and used by the debugger. */
-#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 (htab->elf.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 (relocs)
- {
- if (!add_dynamic_entry (DT_RELA, 0)
- || !add_dynamic_entry (DT_RELASZ, 0)
- || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
- 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->elf, readonly_dynrelocs, 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 _bfd_elf_add_dynamic_tags (output_bfd, info, relocs);
}
/* Return the base VMA address which should be subtracted from real addresses
howto = elf_howto_table + ELF32_R_TYPE (rel->r_info);
_bfd_error_handler
/* xgettext:c-format */
- (_("%B(%A+%#Lx): invalid instruction for TLS relocation %s"),
+ (_("%pB(%pA+%#" PRIx64 "): invalid instruction for TLS relocation %s"),
input_bfd,
input_section,
- rel->r_offset,
+ (uint64_t) rel->r_offset,
howto->name);
bfd_set_error (bfd_error_bad_value);
}
/* Relocate a 390 ELF section. */
-static bfd_boolean
+static int
elf_s390_relocate_section (bfd *output_bfd,
struct bfd_link_info *info,
bfd *input_bfd,
Elf_Internal_Rela *rel;
Elf_Internal_Rela *relend;
- BFD_ASSERT (is_s390_elf (input_bfd));
+ if (!is_s390_elf (input_bfd))
+ {
+ bfd_set_error (bfd_error_wrong_format);
+ return false;
+ }
htab = elf_s390_hash_table (info);
symtab_hdr = &elf_symtab_hdr (input_bfd);
asection *sec;
bfd_vma off;
bfd_vma relocation;
- bfd_boolean unresolved_reloc;
+ bool unresolved_reloc;
bfd_reloc_status_type r;
int tls_type;
asection *base_got = htab->elf.sgot;
- bfd_boolean resolved_to_zero;
+ bool resolved_to_zero;
r_type = ELF32_R_TYPE (rel->r_info);
if (r_type == (int) R_390_GNU_VTINHERIT
if (r_type >= (int) R_390_max)
{
bfd_set_error (bfd_error_bad_value);
- return FALSE;
+ return false;
}
howto = elf_howto_table + r_type;
h = NULL;
sym = NULL;
sec = NULL;
- unresolved_reloc = FALSE;
+ unresolved_reloc = false;
if (r_symndx < symtab_hdr->sh_info)
{
sym = local_syms + r_symndx;
{
struct plt_entry *local_plt = elf_s390_local_plt (input_bfd);
if (local_plt == NULL)
- return FALSE;
+ return false;
/* Address of the PLT slot. */
relocation = (htab->elf.iplt->output_section->vma
}
else
{
- bfd_boolean warned ATTRIBUTE_UNUSED;
- bfd_boolean ignored ATTRIBUTE_UNUSED;
+ bool warned ATTRIBUTE_UNUSED;
+ bool ignored ATTRIBUTE_UNUSED;
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
r_symndx, symtab_hdr, sym_hashes,
if (r_type == R_390_GOTPLTENT)
relocation += htab->elf.sgot->output_section->vma;
}
- unresolved_reloc = FALSE;
+ unresolved_reloc = false;
}
/* Fall through. */
if (h != NULL)
{
- bfd_boolean dyn;
+ bool dyn;
off = h->got.offset;
dyn = htab->elf.dynamic_sections_created;
}
}
else
- unresolved_reloc = FALSE;
+ unresolved_reloc = false;
}
else
{
case R_390_GOTPCDBL:
/* Use global offset table as symbol value. */
relocation = htab->elf.sgot->output_section->vma;
- unresolved_reloc = FALSE;
+ unresolved_reloc = false;
break;
case R_390_PLT12DBL:
if (s390_is_ifunc_symbol_p (h))
relocation = (htab->elf.iplt->output_section->vma
- + htab->elf.iplt->output_offset
+ + htab->elf.iplt->output_offset
+ h->plt.offset);
else
relocation = (htab->elf.splt->output_section->vma
+ htab->elf.splt->output_offset
+ h->plt.offset);
- unresolved_reloc = FALSE;
+ unresolved_reloc = false;
break;
case R_390_PLTOFF16:
+ htab->elf.splt->output_offset
+ h->plt.offset
- htab->elf.sgot->output_section->vma);
- unresolved_reloc = FALSE;
+ unresolved_reloc = false;
break;
case R_390_PC16:
case R_390_8:
case R_390_16:
case R_390_32:
+ if ((input_section->flags & SEC_ALLOC) == 0)
+ break;
+
if (h != NULL
&& s390_is_ifunc_symbol_p (h)
&& h->def_regular)
}
}
- if ((input_section->flags & SEC_ALLOC) == 0)
- break;
-
if ((bfd_link_pic (info)
&& (h == NULL
|| (ELF_ST_VISIBILITY (h->other) == STV_DEFAULT
|| h->root.type == bfd_link_hash_undefined)))
{
Elf_Internal_Rela outrel;
- bfd_boolean skip, relocate;
+ bool skip, relocate;
asection *sreloc;
bfd_byte *loc;
are copied into the output file to be resolved at run
time. */
- skip = FALSE;
- relocate = FALSE;
+ skip = false;
+ relocate = false;
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;
outrel.r_offset += (input_section->output_section->vma
+ input_section->output_offset);
outrel.r_addend = relocation + rel->r_addend;
if (r_type == R_390_32)
{
- relocate = TRUE;
+ relocate = true;
outrel.r_info = ELF32_R_INFO (0, R_390_RELATIVE);
}
else
else if (sec == NULL || sec->owner == NULL)
{
bfd_set_error(bfd_error_bad_value);
- return FALSE;
+ return false;
}
else
{
relocation = htab->elf.sgot->output_offset + off;
if (r_type == R_390_TLS_IE32 || r_type == R_390_TLS_IEENT)
relocation += htab->elf.sgot->output_section->vma;
- unresolved_reloc = FALSE;
+ unresolved_reloc = false;
}
else
{
relocation = htab->elf.sgot->output_offset + off;
if (r_type == R_390_TLS_IEENT)
relocation += htab->elf.sgot->output_section->vma;
- unresolved_reloc = FALSE;
+ unresolved_reloc = false;
break;
case R_390_TLS_LDM32:
htab->tls_ldm_got.offset |= 1;
}
relocation = htab->elf.sgot->output_offset + off;
- unresolved_reloc = FALSE;
+ unresolved_reloc = false;
break;
case R_390_TLS_LE32:
else
{
invalid_tls_insn (input_bfd, input_section, rel);
- return FALSE;
+ return false;
}
insn = 0x18000700 | (insn & 0x00f00000) | ry;
bfd_put_32 (output_bfd, insn, contents + rel->r_offset);
(insn & 0xff000000) != 0x0d000000)
{
invalid_tls_insn (input_bfd, input_section, rel);
- return FALSE;
+ return false;
}
if (!bfd_link_pic (info) && (h == NULL || h->dynindx == -1))
{
if ((insn & 0xff000000) == 0x0d000000)
{
invalid_tls_insn (input_bfd, input_section, rel);
- return FALSE;
+ return false;
}
if ((insn & 0xff000000) == 0x4d000000)
{
/* GD->IE transition.
brasl %r14,__tls_get_addr@plt ->
- l %r2,0(%r2,%r12) ; bcr 0,0 */
+ l %r2,0(%r2,%r12) ; bcr 0,0 */
insn = 0x5822c000;
bfd_put_16 (output_bfd, 0x0700,
contents + rel->r_offset + 4);
(insn & 0xff000000) != 0x0d000000)
{
invalid_tls_insn (input_bfd, input_section, rel);
- return FALSE;
+ return false;
}
if ((insn & 0xff000000) == 0x0d000000)
rel->r_offset) != (bfd_vma) -1)
_bfd_error_handler
/* xgettext:c-format */
- (_("%B(%A+%#Lx): unresolvable %s relocation against symbol `%s'"),
+ (_("%pB(%pA+%#" PRIx64 "): "
+ "unresolvable %s relocation against symbol `%s'"),
input_bfd,
input_section,
- rel->r_offset,
+ (uint64_t) rel->r_offset,
howto->name,
h->root.root.string);
symtab_hdr->sh_link,
sym->st_name);
if (name == NULL)
- return FALSE;
+ return false;
if (*name == '\0')
- name = bfd_section_name (input_bfd, sec);
+ name = bfd_section_name (sec);
}
if (r == bfd_reloc_overflow)
{
_bfd_error_handler
/* xgettext:c-format */
- (_("%B(%A+%#Lx): reloc against `%s': error %d"),
+ (_("%pB(%pA+%#" PRIx64 "): reloc against `%s': error %d"),
input_bfd, input_section,
- rel->r_offset, name, (int) r);
- return FALSE;
+ (uint64_t) rel->r_offset, name, (int) r);
+ return false;
}
}
}
- return TRUE;
+ return true;
}
/* Generate the PLT slots together with the dynamic relocations needed
/* Finish up dynamic symbol handling. We set the contents of various
dynamic sections here. */
-static bfd_boolean
+static bool
elf_s390_finish_dynamic_symbol (bfd *output_bfd,
struct bfd_link_info *info,
struct elf_link_hash_entry *h,
+ htab->elf.iplt->output_offset
+ h->plt.offset),
htab->elf.sgot->contents + h->got.offset);
- return TRUE;
+ return true;
}
}
else if (bfd_link_pic (info)
will already have been initialized in the
relocate_section function. */
if (!(h->def_regular || ELF_COMMON_DEF_P (h)))
- return FALSE;
+ return false;
BFD_ASSERT((h->got.offset & 1) != 0);
rela.r_info = ELF32_R_INFO (0, R_390_RELATIVE);
rela.r_addend = (h->root.u.def.value
|| h == htab->elf.hplt)
sym->st_shndx = SHN_ABS;
- return TRUE;
+ return true;
}
/* Used to decide how to sort relocs in an optimal manner for the
/* Finish up the dynamic sections. */
-static bfd_boolean
+static bool
elf_s390_finish_dynamic_sections (bfd *output_bfd,
struct bfd_link_info *info)
{
if (local_plt[i].plt.offset != (bfd_vma) -1)
{
asection *sec = local_plt[i].sec;
- isym = bfd_sym_from_r_symndx (&htab->sym_cache, ibfd, i);
+ isym = bfd_sym_from_r_symndx (&htab->elf.sym_cache, ibfd, i);
if (isym == NULL)
- return FALSE;
+ return false;
if (ELF_ST_TYPE (isym->st_info) == STT_GNU_IFUNC)
elf_s390_finish_ifunc_symbol (output_bfd, info, NULL, htab,
}
}
}
- return TRUE;
+ return true;
}
\f
/* Support for core dump NOTE sections. */
-static bfd_boolean
+static bool
elf_s390_grok_prstatus (bfd * abfd, Elf_Internal_Note * note)
{
int offset;
switch (note->descsz)
{
default:
- return FALSE;
+ return false;
case 224: /* S/390 Linux. */
/* pr_cursig */
size, note->descpos + offset);
}
-static bfd_boolean
+static bool
elf_s390_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
{
switch (note->descsz)
{
default:
- return FALSE;
+ return false;
case 124: /* sizeof(struct elf_prpsinfo) on s390 */
elf_tdata (abfd)->core->pid
command[n - 1] = '\0';
}
- return TRUE;
+ return true;
}
static char *
case NT_PRPSINFO:
{
- char data[124] = { 0 };
+ char data[124] ATTRIBUTE_NONSTRING = { 0 };
const char *fname, *psargs;
va_start (ap, note_type);
va_end (ap);
strncpy (data + 28, fname, 16);
+#if GCC_VERSION == 8000 || GCC_VERSION == 8001
+ DIAGNOSTIC_PUSH;
+ /* GCC 8.0 and 8.1 warn about 80 equals destination size with
+ -Wstringop-truncation:
+ https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85643
+ */
+ DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION;
+#endif
strncpy (data + 44, psargs, 80);
+#if GCC_VERSION == 8000 || GCC_VERSION == 8001
+ DIAGNOSTIC_POP;
+#endif
return elfcore_write_note (abfd, buf, bufsiz, "CORE", note_type,
&data, sizeof (data));
}
/* Merge backend specific data from an object file to the output
object file when linking. */
-static bfd_boolean
+static bool
elf32_s390_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info)
{
bfd *obfd = info->output_bfd;
if (!is_s390_elf (ibfd) || !is_s390_elf (obfd))
- return TRUE;
+ return true;
if (!elf_s390_merge_obj_attributes (ibfd, info))
- return FALSE;
+ return false;
elf_elfheader (obfd)->e_flags |= elf_elfheader (ibfd)->e_flags;
- return TRUE;
+ return true;
}
#define elf_backend_grok_psinfo elf_s390_grok_psinfo
#define elf_backend_write_core_note elf_s390_write_core_note
#define elf_backend_plt_sym_val elf_s390_plt_sym_val
-#define elf_backend_add_symbol_hook elf_s390_add_symbol_hook
-#define elf_backend_sort_relocs_p elf_s390_elf_sort_relocs_p
+#define elf_backend_sort_relocs_p elf_s390_elf_sort_relocs_p
#define bfd_elf32_mkobject elf_s390_mkobject
#define elf_backend_object_p elf_s390_object_p
-#define elf_backend_linux_prpsinfo32_ugid16 TRUE
+#define elf_backend_linux_prpsinfo32_ugid16 true
#include "elf32-target.h"