/* AArch64-specific support for ELF.
- Copyright (C) 2009-2017 Free Software Foundation, Inc.
+ Copyright (C) 2009-2019 Free Software Foundation, Inc.
Contributed by ARM Ltd.
This file is part of BFD, the Binary File Descriptor library.
see <http://www.gnu.org/licenses/>. */
#include "sysdep.h"
+#include "bfd.h"
+#include "elf-bfd.h"
#include "elfxx-aarch64.h"
#include <stdarg.h>
#include <string.h>
case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12:
case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12_NC:
/* Corresponds to: add rd, rn, #uimm12 to provide the low order
- 12 bits of the page offset following
- BFD_RELOC_AARCH64_ADR_HI21_PCREL which computes the
- (pc-relative) page base. */
+ 12 bits of the page offset following
+ BFD_RELOC_AARCH64_ADR_HI21_PCREL which computes the
+ (pc-relative) page base. */
contents = reencode_add_imm (contents, addend);
break;
case BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12:
case BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC:
+ case BFD_RELOC_AARCH64_TLSLE_LDST16_TPREL_LO12:
+ case BFD_RELOC_AARCH64_TLSLE_LDST16_TPREL_LO12_NC:
+ case BFD_RELOC_AARCH64_TLSLE_LDST32_TPREL_LO12:
+ case BFD_RELOC_AARCH64_TLSLE_LDST32_TPREL_LO12_NC:
+ case BFD_RELOC_AARCH64_TLSLE_LDST64_TPREL_LO12:
+ case BFD_RELOC_AARCH64_TLSLE_LDST64_TPREL_LO12_NC:
+ case BFD_RELOC_AARCH64_TLSLE_LDST8_TPREL_LO12:
+ case BFD_RELOC_AARCH64_TLSLE_LDST8_TPREL_LO12_NC:
if (old_addend & ((1 << howto->rightshift) - 1))
return bfd_reloc_overflow;
/* Used for ldr*|str* rt, [rn, #uimm12] to provide the low order
- 12 bits of the page offset following BFD_RELOC_AARCH64_ADR_HI21_PCREL
- which computes the (pc-relative) page base. */
+ 12 bits address offset. */
contents = reencode_ldst_pos_imm (contents, addend);
break;
/* Group relocations to create high bits of a 16, 32, 48 or 64
- bit signed data or abs address inline. Will change
- instruction to MOVN or MOVZ depending on sign of calculated
- value. */
+ bit signed data or abs address inline. Will change
+ instruction to MOVN or MOVZ depending on sign of calculated
+ value. */
case BFD_RELOC_AARCH64_MOVW_G0_S:
case BFD_RELOC_AARCH64_MOVW_G1_S:
case BFD_RELOC_AARCH64_MOVW_G2_S:
+ case BFD_RELOC_AARCH64_MOVW_PREL_G0:
+ case BFD_RELOC_AARCH64_MOVW_PREL_G1:
+ case BFD_RELOC_AARCH64_MOVW_PREL_G2:
+ case BFD_RELOC_AARCH64_MOVW_PREL_G3:
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0:
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1:
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G2:
/* Fall through. */
/* Group relocations to create a 16, 32, 48 or 64 bit unsigned
- data or abs address inline. */
+ data or abs address inline. */
case BFD_RELOC_AARCH64_MOVW_G0:
case BFD_RELOC_AARCH64_MOVW_G0_NC:
case BFD_RELOC_AARCH64_MOVW_G3:
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC:
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
+ case BFD_RELOC_AARCH64_MOVW_PREL_G0_NC:
+ case BFD_RELOC_AARCH64_MOVW_PREL_G1_NC:
+ case BFD_RELOC_AARCH64_MOVW_PREL_G2_NC:
case BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC:
case BFD_RELOC_AARCH64_TLSDESC_OFF_G1:
case BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC:
case BFD_RELOC_AARCH64_ADR_LO21_PCREL:
case BFD_RELOC_AARCH64_BRANCH19:
case BFD_RELOC_AARCH64_LD_LO19_PCREL:
+ case BFD_RELOC_AARCH64_MOVW_PREL_G0:
+ case BFD_RELOC_AARCH64_MOVW_PREL_G0_NC:
+ case BFD_RELOC_AARCH64_MOVW_PREL_G1:
+ case BFD_RELOC_AARCH64_MOVW_PREL_G1_NC:
+ case BFD_RELOC_AARCH64_MOVW_PREL_G2:
+ case BFD_RELOC_AARCH64_MOVW_PREL_G2_NC:
+ case BFD_RELOC_AARCH64_MOVW_PREL_G3:
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_16:
case BFD_RELOC_AARCH64_32:
- case BFD_RELOC_AARCH64_LD64_GOTOFF_LO15:
case BFD_RELOC_AARCH64_MOVW_G0:
case BFD_RELOC_AARCH64_MOVW_G0_NC:
case BFD_RELOC_AARCH64_MOVW_G0_S:
case BFD_RELOC_AARCH64_MOVW_G2_NC:
case BFD_RELOC_AARCH64_MOVW_G2_S:
case BFD_RELOC_AARCH64_MOVW_G3:
- case BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC:
- case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
case BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC:
case BFD_RELOC_AARCH64_TLSDESC_OFF_G1:
case BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC:
case BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12:
case BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12:
- case BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12:
- case BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12:
- case BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12:
- case BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0:
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0_NC:
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1:
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1_NC:
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G2:
+ case BFD_RELOC_AARCH64_TLSLE_LDST16_TPREL_LO12:
+ case BFD_RELOC_AARCH64_TLSLE_LDST32_TPREL_LO12:
+ case BFD_RELOC_AARCH64_TLSLE_LDST64_TPREL_LO12:
+ case BFD_RELOC_AARCH64_TLSLE_LDST8_TPREL_LO12:
value = value + addend;
break;
value = PG (value + addend) - PG (place);
break;
+ /* Caller must make sure addend is the base address of .got section. */
case BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14:
case BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15:
- /* Caller must make sure addend is the base address of .got section. */
- value = value - PG (addend);
+ addend = PG (addend);
+ /* Fall through. */
+ case BFD_RELOC_AARCH64_LD64_GOTOFF_LO15:
+ case BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC:
+ case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
+ value = value - addend;
break;
case BFD_RELOC_AARCH64_ADD_LO12:
case BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC:
case BFD_RELOC_AARCH64_TLSIE_LD32_GOTTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC:
+ case BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC:
+ case BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC:
+ case BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC:
+ case BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12_NC:
+ case BFD_RELOC_AARCH64_TLSLE_LDST16_TPREL_LO12_NC:
+ case BFD_RELOC_AARCH64_TLSLE_LDST32_TPREL_LO12_NC:
+ case BFD_RELOC_AARCH64_TLSLE_LDST64_TPREL_LO12_NC:
+ case BFD_RELOC_AARCH64_TLSLE_LDST8_TPREL_LO12_NC:
value = PG_OFFSET (value + addend);
break;
return value;
}
-/* Hook called by the linker routine which adds symbols from an object
- file. */
-
-bfd_boolean
-_bfd_aarch64_elf_add_symbol_hook (bfd *abfd, struct bfd_link_info *info,
- Elf_Internal_Sym *sym,
- const char **namep ATTRIBUTE_UNUSED,
- flagword *flagsp ATTRIBUTE_UNUSED,
- asection **secp ATTRIBUTE_UNUSED,
- bfd_vma *valp ATTRIBUTE_UNUSED)
-{
- if (ELF_ST_TYPE (sym->st_info) == STT_GNU_IFUNC
- && (abfd->flags & DYNAMIC) == 0
- && bfd_get_flavour (info->output_bfd) == bfd_target_elf_flavour)
- elf_tdata (info->output_bfd)->has_gnu_symbols |= elf_gnu_symbol_ifunc;
-
- return TRUE;
-}
-
/* Support for core dump NOTE sections. */
bfd_boolean
default:
return FALSE;
- case 136: /* This is sizeof(struct elf_prpsinfo) on Linux/aarch64. */
+ 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);
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",
+ char data[136] ATTRIBUTE_NONSTRING;
+ va_list ap;
+
+ va_start (ap, note_type);
+ memset (data, 0, sizeof (data));
+ strncpy (data + 40, va_arg (ap, const char *), 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 + 56, va_arg (ap, const char *), 80);
+#if GCC_VERSION == 8000 || GCC_VERSION == 8001
+ DIAGNOSTIC_POP;
+#endif
+ 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",
+ 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 / deliverable / binutils-gdb.git / blobdiff