/* AArch64-specific support for ELF.
- Copyright 2009-2013 Free Software Foundation, Inc.
+ Copyright (C) 2009-2015 Free Software Foundation, Inc.
Contributed by ARM Ltd.
This file is part of BFD, the Binary File Descriptor library.
#include "sysdep.h"
#include "elfxx-aarch64.h"
+#include <stdarg.h>
+#include <string.h>
#define MASK(n) ((1u << (n)) - 1)
-/* Decode the 26-bit offset of unconditional branch. */
-static inline uint32_t
-decode_branch_ofs_26 (uint32_t insn)
-{
- return insn & MASK (26);
-}
-
-/* Decode the 19-bit offset of conditional branch and compare & branch. */
-static inline uint32_t
-decode_cond_branch_ofs_19 (uint32_t insn)
-{
- return (insn >> 5) & MASK (19);
-}
-
-/* Decode the 19-bit offset of load literal. */
-static inline uint32_t
-decode_ld_lit_ofs_19 (uint32_t insn)
-{
- return (insn >> 5) & MASK (19);
-}
-
-/* Decode the 14-bit offset of test & branch. */
-static inline uint32_t
-decode_tst_branch_ofs_14 (uint32_t insn)
-{
- return (insn >> 5) & MASK (14);
-}
-
-/* Decode the 16-bit imm of move wide. */
-static inline uint32_t
-decode_movw_imm (uint32_t insn)
-{
- return (insn >> 5) & MASK (16);
-}
-
-/* Decode the 12-bit imm of add immediate. */
-static inline uint32_t
-decode_add_imm (uint32_t insn)
-{
- return (insn >> 10) & MASK (12);
-}
-
/* Reencode the imm field of add immediate. */
static inline uint32_t
reencode_add_imm (uint32_t insn, uint32_t imm)
size = bfd_get_reloc_size (howto);
switch (size)
{
+ case 0:
+ return status;
case 2:
contents = bfd_get_16 (abfd, address);
break;
contents = reencode_tst_branch_ofs_14 (contents, addend);
break;
+ case BFD_RELOC_AARCH64_TLSDESC_LD_PREL19:
case BFD_RELOC_AARCH64_LD_LO19_PCREL:
case BFD_RELOC_AARCH64_GOT_LD_PREL19:
+ case BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19:
if (old_addend & ((1 << howto->rightshift) - 1))
return bfd_reloc_overflow;
contents = reencode_ld_lit_ofs_19 (contents, addend);
case BFD_RELOC_AARCH64_TLSDESC_CALL:
break;
+ case BFD_RELOC_AARCH64_TLSDESC_ADR_PREL21:
+ case BFD_RELOC_AARCH64_TLSGD_ADR_PREL21:
case BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21:
case BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21:
case BFD_RELOC_AARCH64_TLSDESC_ADR_PAGE21:
case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G2:
case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1:
- case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1_NC:
case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0:
- case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0_NC:
case BFD_RELOC_AARCH64_MOVW_G0_S:
case BFD_RELOC_AARCH64_MOVW_G1_S:
case BFD_RELOC_AARCH64_MOVW_G2_S:
/* Group relocations to create a 16, 32, 48 or 64 bit unsigned
data or abs address inline. */
+ case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0_NC:
+ case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1_NC:
case BFD_RELOC_AARCH64_MOVW_G0:
case BFD_RELOC_AARCH64_MOVW_G0_NC:
case BFD_RELOC_AARCH64_MOVW_G1:
case BFD_RELOC_AARCH64_NONE:
break;
+ case BFD_RELOC_AARCH64_TLSDESC_ADR_PREL21:
+ case BFD_RELOC_AARCH64_TLSDESC_LD_PREL19:
+ case BFD_RELOC_AARCH64_TLSGD_ADR_PREL21:
+ case BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19:
case BFD_RELOC_AARCH64_ADR_LO21_PCREL:
case BFD_RELOC_AARCH64_BRANCH19:
case BFD_RELOC_AARCH64_LD_LO19_PCREL:
value = (value + addend) & (bfd_vma) 0xffff0000;
break;
case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_HI12:
- value = (value + addend) & (bfd_vma) 0xfff000;
+ /* Mask off low 12bits, keep all other high bits, so that the later
+ generic code could check whehter there is overflow. */
+ value = (value + addend) & ~(bfd_vma) 0xfff;
break;
case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0:
asection **secp ATTRIBUTE_UNUSED,
bfd_vma *valp ATTRIBUTE_UNUSED)
{
- if ((abfd->flags & DYNAMIC) == 0
- && (ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC
- || ELF_ST_BIND (sym->st_info) == STB_GNU_UNIQUE))
+ if ((ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC
+ || ELF_ST_BIND (sym->st_info) == STB_GNU_UNIQUE)
+ && (abfd->flags & DYNAMIC) == 0
+ && bfd_get_flavour (info->output_bfd) == bfd_target_elf_flavour)
elf_tdata (info->output_bfd)->has_gnu_symbols = TRUE;
return TRUE;
return _bfd_elfcore_make_pseudosection (abfd, ".reg",
size, note->descpos + offset);
}
+
+bfd_boolean
+_bfd_aarch64_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
+{
+ switch (note->descsz)
+ {
+ default:
+ return FALSE;
+
+ case 136: /* This is sizeof(struct elf_prpsinfo) on Linux/aarch64. */
+ elf_tdata (abfd)->core->pid = bfd_get_32 (abfd, note->descdata + 24);
+ elf_tdata (abfd)->core->program
+ = _bfd_elfcore_strndup (abfd, note->descdata + 40, 16);
+ elf_tdata (abfd)->core->command
+ = _bfd_elfcore_strndup (abfd, note->descdata + 56, 80);
+ }
+
+ /* Note that for some reason, a spurious space is tacked
+ onto the end of the args in some (at least one anyway)
+ implementations, so strip it off if it exists. */
+
+ {
+ char *command = elf_tdata (abfd)->core->command;
+ int n = strlen (command);
+
+ if (0 < n && command[n - 1] == ' ')
+ command[n - 1] = '\0';
+ }
+
+ return TRUE;
+}
+
+char *
+_bfd_aarch64_elf_write_core_note (bfd *abfd, char *buf, int *bufsiz, int note_type,
+ ...)
+{
+ switch (note_type)
+ {
+ default:
+ return NULL;
+
+ case NT_PRPSINFO:
+ {
+ char data[136];
+ va_list ap;
+
+ va_start (ap, note_type);
+ memset (data, 0, sizeof (data));
+ strncpy (data + 40, va_arg (ap, const char *), 16);
+ strncpy (data + 56, va_arg (ap, const char *), 80);
+ va_end (ap);
+
+ return elfcore_write_note (abfd, buf, bufsiz, "CORE",
+ note_type, data, sizeof (data));
+ }
+
+ case NT_PRSTATUS:
+ {
+ char data[392];
+ va_list ap;
+ long pid;
+ int cursig;
+ const void *greg;
+
+ va_start (ap, note_type);
+ memset (data, 0, sizeof (data));
+ pid = va_arg (ap, long);
+ bfd_put_32 (abfd, pid, data + 32);
+ cursig = va_arg (ap, int);
+ bfd_put_16 (abfd, cursig, data + 12);
+ greg = va_arg (ap, const void *);
+ memcpy (data + 112, greg, 272);
+ va_end (ap);
+
+ return elfcore_write_note (abfd, buf, bufsiz, "CORE",
+ note_type, data, sizeof (data));
+ }
+ }
+}
projects / binutils-gdb.git / blobdiff