PARAMS ((bfd *abfd, bfd_reloc_code_real_type code));
static void ppc64_elf_info_to_howto
PARAMS ((bfd *abfd, arelent *cache_ptr, Elf64_Internal_Rela *dst));
-static bfd_reloc_status_type ppc64_elf_addr16_ha_reloc
+static bfd_reloc_status_type ppc64_elf_ha_reloc
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static bfd_reloc_status_type ppc64_elf_brtaken_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static bfd_reloc_status_type ppc64_elf_sectoff_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static bfd_reloc_status_type ppc64_elf_sectoff_ha_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static bfd_reloc_status_type ppc64_elf_toc_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static bfd_reloc_status_type ppc64_elf_toc_ha_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static bfd_reloc_status_type ppc64_elf_toc64_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static bfd_reloc_status_type ppc64_elf_unhandled_reloc
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+static void ppc64_elf_get_symbol_info
+ PARAMS ((bfd *, asymbol *, symbol_info *));
static boolean ppc64_elf_set_private_flags
PARAMS ((bfd *, flagword));
static boolean ppc64_elf_merge_private_bfd_data
PARAMS ((bfd *, bfd *));
static boolean ppc64_elf_section_from_shdr
- PARAMS ((bfd *, Elf64_Internal_Shdr *, char *));
-
-
-/* Mask to set RA in memory instructions. */
-#define RA_REGISTER_MASK 0x001f0000
+ PARAMS ((bfd *, Elf64_Internal_Shdr *, const char *));
-/* Value to shift register by to insert RA. */
-#define RA_REGISTER_SHIFT 16
/* The name of the dynamic interpreter. This is put in the .interp
section. */
#define CROR_151515 0x4def7b82
#define CROR_313131 0x4ffffb82
-/* .glink entries for the first 32k functions are two instructions. */
+/* .glink entries for the first 32k functions are two instructions. */
#define LI_R0_0 0x38000000 /* li %r0,0 */
#define B_DOT 0x48000000 /* b . */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_addr16_ha_reloc, /* special_function */
+ ppc64_elf_ha_reloc, /* special_function */
"R_PPC64_ADDR16_HA", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_brtaken_reloc, /* special_function */
"R_PPC64_ADDR14_BRTAKEN",/* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_brtaken_reloc, /* special_function */
"R_PPC64_ADDR14_BRNTAKEN",/* name */
false, /* partial_inplace */
0, /* src_mask */
true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_brtaken_reloc, /* special_function */
"R_PPC64_REL14_BRTAKEN", /* name */
false, /* partial_inplace */
0, /* src_mask */
true, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_brtaken_reloc, /* special_function */
"R_PPC64_REL14_BRNTAKEN",/* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_GOT16", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_GOT16_LO", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont,/* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_GOT16_HI", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont,/* complain_on_overflow */
- ppc64_elf_addr16_ha_reloc, /* special_function */
+ ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_GOT16_HA", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_COPY", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_GLOB_DAT", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_JMP_SLOT", /* name */
false, /* partial_inplace */
0, /* src_mask */
32, /* bitsize */
true, /* pc_relative */
0, /* bitpos */
- /* FIXME: Verify. Was complain_overflow_bitfield. */
+ /* FIXME: Verify. Was complain_overflow_bitfield. */
complain_overflow_signed, /* complain_on_overflow */
bfd_elf_generic_reloc, /* special_function */
"R_PPC64_REL32", /* name */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLT32", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLT16_LO", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLT16_HI", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_addr16_ha_reloc, /* special_function */
+ ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLT16_HA", /* name */
false, /* partial_inplace */
0, /* src_mask */
0xffff, /* dst_mask */
false), /* pcrel_offset */
- /* 32-bit section relative relocation. */
- /* FIXME: Verify R_PPC64_SECTOFF. Seems strange with size=2 and
- dst_mask=0. */
+ /* 16-bit section relative relocation. */
HOWTO (R_PPC64_SECTOFF, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- true, /* pc_relative */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_sectoff_reloc, /* special_function */
"R_PPC64_SECTOFF", /* name */
false, /* partial_inplace */
0, /* src_mask */
- 0, /* dst_mask */
- true), /* pcrel_offset */
+ 0xffff, /* dst_mask */
+ false), /* pcrel_offset */
- /* 16-bit lower half section relative relocation. */
+ /* Like R_PPC64_SECTOFF, but no overflow warning. */
HOWTO (R_PPC64_SECTOFF_LO, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_sectoff_reloc, /* special_function */
"R_PPC64_SECTOFF_LO", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_sectoff_reloc, /* special_function */
"R_PPC64_SECTOFF_HI", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_addr16_ha_reloc, /* special_function */
+ ppc64_elf_sectoff_ha_reloc, /* special_function */
"R_PPC64_SECTOFF_HA", /* name */
false, /* partial_inplace */
0, /* src_mask */
false), /* pcrel_offset */
/* Like R_PPC64_REL24 without touching the two least significant
- bits. */
- /* FIXME: Verify R_PPC64_ADDR30. */
+ bits. Should have been named R_PPC64_REL30! */
HOWTO (R_PPC64_ADDR30, /* type */
2, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_addr16_ha_reloc, /* special_function */
+ ppc64_elf_ha_reloc, /* special_function */
"R_PPC64_ADDR16_HIGHERA", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_addr16_ha_reloc, /* special_function */
+ ppc64_elf_ha_reloc, /* special_function */
"R_PPC64_ADDR16_HIGHESTA", /* name */
false, /* partial_inplace */
0, /* src_mask */
0xffffffffffffffff, /* dst_mask */
true), /* pcrel_offset */
- /* 64-bit relocation to the symbol's procedure linkage table. */
+ /* 64-bit relocation to the symbol's procedure linkage table. */
HOWTO (R_PPC64_PLT64, /* type */
0, /* rightshift */
4, /* size (0=byte, 1=short, 2=long, 4=64 bits) */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLT64", /* name */
false, /* partial_inplace */
0, /* src_mask */
true, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLTREL64", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_toc_reloc, /* special_function */
"R_PPC64_TOC16", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_toc_reloc, /* special_function */
"R_PPC64_TOC16_LO", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_toc_reloc, /* special_function */
"R_PPC64_TOC16_HI", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- ppc64_elf_addr16_ha_reloc, /* special_function */
+ ppc64_elf_toc_ha_reloc, /* special_function */
"R_PPC64_TOC16_HA", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_toc64_reloc, /* special_function */
"R_PPC64_TOC", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLTGOT16", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLTGOT16_LO", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLTGOT16_HI", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont,/* complain_on_overflow */
- ppc64_elf_addr16_ha_reloc, /* special_function */
+ ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLTGOT16_HA", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_GOT16_DS", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_GOT16_LO_DS", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLT16_LO_DS", /* name */
false, /* partial_inplace */
0, /* src_mask */
false), /* pcrel_offset */
/* Like R_PPC64_SECTOFF, but for instructions with a DS field. */
- /* FIXME: Verify R_PPC64_SECTOFF. Seems strange with size=2 and
- dst_mask=0. */
HOWTO (R_PPC64_SECTOFF_DS, /* type */
0, /* rightshift */
- 2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- true, /* pc_relative */
+ 1, /* size (0 = byte, 1 = short, 2 = long) */
+ 16, /* bitsize */
+ false, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_sectoff_reloc, /* special_function */
"R_PPC64_SECTOFF_DS", /* name */
false, /* partial_inplace */
0, /* src_mask */
- 0, /* dst_mask */
- true), /* pcrel_offset */
+ 0xfffc, /* dst_mask */
+ false), /* pcrel_offset */
/* Like R_PPC64_SECTOFF_LO, but for instructions with a DS field. */
HOWTO (R_PPC64_SECTOFF_LO_DS, /* type */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_sectoff_reloc, /* special_function */
"R_PPC64_SECTOFF_LO_DS",/* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_toc_reloc, /* special_function */
"R_PPC64_TOC16_DS", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_toc_reloc, /* special_function */
"R_PPC64_TOC16_LO_DS", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLTGOT16_DS", /* name */
false, /* partial_inplace */
0, /* src_mask */
false, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
- bfd_elf_generic_reloc, /* special_function */
+ ppc64_elf_unhandled_reloc, /* special_function */
"R_PPC64_PLTGOT16_LO_DS",/* name */
false, /* partial_inplace */
0, /* src_mask */
break;
case BFD_RELOC_HI16_S_PLTOFF: ppc_reloc = R_PPC64_PLT16_HA;
break;
- case BFD_RELOC_32_BASEREL: ppc_reloc = R_PPC64_SECTOFF;
+ case BFD_RELOC_16_BASEREL: ppc_reloc = R_PPC64_SECTOFF;
break;
case BFD_RELOC_LO16_BASEREL: ppc_reloc = R_PPC64_SECTOFF_LO;
break;
{
unsigned int type;
+ /* Initialize howto table if needed. */
if (!ppc64_elf_howto_table[R_PPC64_ADDR32])
- /* Initialize howto table if needed. */
ppc_howto_init ();
type = ELF64_R_TYPE (dst->r_info);
/* Handle the R_PPC_ADDR16_HA and similar relocs. */
static bfd_reloc_status_type
-ppc64_elf_addr16_ha_reloc (abfd, reloc_entry, symbol, data, input_section,
- output_bfd, error_message)
- bfd *abfd ATTRIBUTE_UNUSED;
+ppc64_elf_ha_reloc (abfd, reloc_entry, symbol, data,
+ input_section, output_bfd, error_message)
+ bfd *abfd;
arelent *reloc_entry;
asymbol *symbol;
- PTR data ATTRIBUTE_UNUSED;
+ PTR data;
asection *input_section;
bfd *output_bfd;
- char **error_message ATTRIBUTE_UNUSED;
+ char **error_message;
{
- bfd_vma relocation;
+ /* If this is a relocatable link (output_bfd test tells us), just
+ call the generic function. Any adjustment will be done at final
+ link time. */
+ if (output_bfd != NULL)
+ return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
+ input_section, output_bfd, error_message);
+ /* Adjust the addend for sign extension of the low 16 bits.
+ We won't actually be using the low 16 bits, so trashing them
+ doesn't matter. */
+ reloc_entry->addend += 0x8000;
+ return bfd_reloc_continue;
+}
+
+static bfd_reloc_status_type
+ppc64_elf_brtaken_reloc (abfd, reloc_entry, symbol, data,
+ input_section, output_bfd, error_message)
+ bfd *abfd;
+ arelent *reloc_entry;
+ asymbol *symbol;
+ PTR data;
+ asection *input_section;
+ bfd *output_bfd;
+ char **error_message;
+{
+ long insn;
+ enum elf_ppc_reloc_type r_type;
+ bfd_size_type octets;
+ /* Disabled until we sort out how ld should choose 'y' vs 'at'. */
+ boolean is_power4 = false;
+
+ /* If this is a relocatable link (output_bfd test tells us), just
+ call the generic function. Any adjustment will be done at final
+ link time. */
if (output_bfd != NULL)
+ return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
+ input_section, output_bfd, error_message);
+
+ octets = reloc_entry->address * bfd_octets_per_byte (abfd);
+ insn = bfd_get_32 (abfd, (bfd_byte *) data + octets);
+ insn &= ~(0x01 << 21);
+ r_type = (enum elf_ppc_reloc_type) reloc_entry->howto->type;
+ if (r_type == R_PPC64_ADDR14_BRTAKEN
+ || r_type == R_PPC64_REL14_BRTAKEN)
+ insn |= 0x01 << 21; /* 'y' or 't' bit, lowest bit of BO field. */
+
+ if (is_power4)
{
- reloc_entry->address += input_section->output_offset;
- return bfd_reloc_ok;
+ /* Set 'a' bit. This is 0b00010 in BO field for branch
+ on CR(BI) insns (BO == 001at or 011at), and 0b01000
+ for branch on CTR insns (BO == 1a00t or 1a01t). */
+ if ((insn & (0x14 << 21)) == (0x04 << 21))
+ insn |= 0x02 << 21;
+ else if ((insn & (0x14 << 21)) == (0x10 << 21))
+ insn |= 0x08 << 21;
+ else
+ return bfd_reloc_continue;
}
+ else
+ {
+ bfd_vma target = 0;
+ bfd_vma from;
- if (reloc_entry->address > input_section->_cooked_size)
- return bfd_reloc_outofrange;
+ if (!bfd_is_com_section (symbol->section))
+ target = symbol->value;
+ target += symbol->section->output_section->vma;
+ target += symbol->section->output_offset;
+ target += reloc_entry->addend;
- if (bfd_is_com_section (symbol->section))
- relocation = 0;
- else
- relocation = symbol->value;
+ from = (reloc_entry->address
+ + input_section->output_offset
+ + input_section->output_section->vma);
- relocation += symbol->section->output_section->vma;
- relocation += symbol->section->output_offset;
- relocation += reloc_entry->addend;
+ /* Invert 'y' bit if not the default. */
+ if ((bfd_signed_vma) (target - from) < 0)
+ insn ^= 0x01 << 21;
+ }
+ bfd_put_32 (abfd, (bfd_vma) insn, (bfd_byte *) data + octets);
+ return bfd_reloc_continue;
+}
- reloc_entry->addend += (relocation & 0x8000) << 1;
+static bfd_reloc_status_type
+ppc64_elf_sectoff_reloc (abfd, reloc_entry, symbol, data,
+ input_section, output_bfd, error_message)
+ bfd *abfd;
+ arelent *reloc_entry;
+ asymbol *symbol;
+ PTR data;
+ asection *input_section;
+ bfd *output_bfd;
+ char **error_message;
+{
+ /* If this is a relocatable link (output_bfd test tells us), just
+ call the generic function. Any adjustment will be done at final
+ link time. */
+ if (output_bfd != NULL)
+ return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
+ input_section, output_bfd, error_message);
+ /* Subtract the symbol section base address. */
+ reloc_entry->addend -= symbol->section->output_section->vma;
return bfd_reloc_continue;
}
+static bfd_reloc_status_type
+ppc64_elf_sectoff_ha_reloc (abfd, reloc_entry, symbol, data,
+ input_section, output_bfd, error_message)
+ bfd *abfd;
+ arelent *reloc_entry;
+ asymbol *symbol;
+ PTR data;
+ asection *input_section;
+ bfd *output_bfd;
+ char **error_message;
+{
+ /* If this is a relocatable link (output_bfd test tells us), just
+ call the generic function. Any adjustment will be done at final
+ link time. */
+ if (output_bfd != NULL)
+ return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
+ input_section, output_bfd, error_message);
+
+ /* Subtract the symbol section base address. */
+ reloc_entry->addend -= symbol->section->output_section->vma;
+
+ /* Adjust the addend for sign extension of the low 16 bits. */
+ reloc_entry->addend += 0x8000;
+ return bfd_reloc_continue;
+}
+
+static bfd_reloc_status_type
+ppc64_elf_toc_reloc (abfd, reloc_entry, symbol, data,
+ input_section, output_bfd, error_message)
+ bfd *abfd;
+ arelent *reloc_entry;
+ asymbol *symbol;
+ PTR data;
+ asection *input_section;
+ bfd *output_bfd;
+ char **error_message;
+{
+ bfd_vma TOCstart;
+
+ /* If this is a relocatable link (output_bfd test tells us), just
+ call the generic function. Any adjustment will be done at final
+ link time. */
+ if (output_bfd != NULL)
+ return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
+ input_section, output_bfd, error_message);
+
+ TOCstart = _bfd_get_gp_value (input_section->output_section->owner);
+ if (TOCstart == 0)
+ TOCstart = ppc64_elf_toc (input_section->output_section->owner);
+
+ /* Subtract the TOC base address. */
+ reloc_entry->addend -= TOCstart + TOC_BASE_OFF;
+ return bfd_reloc_continue;
+}
+
+static bfd_reloc_status_type
+ppc64_elf_toc_ha_reloc (abfd, reloc_entry, symbol, data,
+ input_section, output_bfd, error_message)
+ bfd *abfd;
+ arelent *reloc_entry;
+ asymbol *symbol;
+ PTR data;
+ asection *input_section;
+ bfd *output_bfd;
+ char **error_message;
+{
+ bfd_vma TOCstart;
+
+ /* If this is a relocatable link (output_bfd test tells us), just
+ call the generic function. Any adjustment will be done at final
+ link time. */
+ if (output_bfd != NULL)
+ return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
+ input_section, output_bfd, error_message);
+
+ TOCstart = _bfd_get_gp_value (input_section->output_section->owner);
+ if (TOCstart == 0)
+ TOCstart = ppc64_elf_toc (input_section->output_section->owner);
+
+ /* Subtract the TOC base address. */
+ reloc_entry->addend -= TOCstart + TOC_BASE_OFF;
+
+ /* Adjust the addend for sign extension of the low 16 bits. */
+ reloc_entry->addend += 0x8000;
+ return bfd_reloc_continue;
+}
+
+static bfd_reloc_status_type
+ppc64_elf_toc64_reloc (abfd, reloc_entry, symbol, data,
+ input_section, output_bfd, error_message)
+ bfd *abfd;
+ arelent *reloc_entry;
+ asymbol *symbol;
+ PTR data;
+ asection *input_section;
+ bfd *output_bfd;
+ char **error_message;
+{
+ bfd_vma TOCstart;
+ bfd_size_type octets;
+
+ /* If this is a relocatable link (output_bfd test tells us), just
+ call the generic function. Any adjustment will be done at final
+ link time. */
+ if (output_bfd != NULL)
+ return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
+ input_section, output_bfd, error_message);
+
+ TOCstart = _bfd_get_gp_value (input_section->output_section->owner);
+ if (TOCstart == 0)
+ TOCstart = ppc64_elf_toc (input_section->output_section->owner);
+
+ octets = reloc_entry->address * bfd_octets_per_byte (abfd);
+ bfd_put_64 (abfd, TOCstart + TOC_BASE_OFF, (bfd_byte *) data + octets);
+ return bfd_reloc_ok;
+}
+
+static bfd_reloc_status_type
+ppc64_elf_unhandled_reloc (abfd, reloc_entry, symbol, data,
+ input_section, output_bfd, error_message)
+ bfd *abfd;
+ arelent *reloc_entry;
+ asymbol *symbol;
+ PTR data;
+ asection *input_section;
+ bfd *output_bfd;
+ char **error_message;
+{
+ /* If this is a relocatable link (output_bfd test tells us), just
+ call the generic function. Any adjustment will be done at final
+ link time. */
+ if (output_bfd != NULL)
+ return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data,
+ input_section, output_bfd, error_message);
+
+ if (error_message != NULL)
+ {
+ static char buf[60];
+ sprintf (buf, "generic linker can't handle %s",
+ reloc_entry->howto->name);
+ *error_message = buf;
+ }
+ return bfd_reloc_dangerous;
+}
+
+/* Return symbol info as per usual for ELF targets, except that
+ symbols in .opd are given 'd' or 'D' for type. */
+
+static void
+ppc64_elf_get_symbol_info (abfd, symbol, ret)
+ bfd *abfd;
+ asymbol *symbol;
+ symbol_info *ret;
+{
+ _bfd_elf_get_symbol_info (abfd, symbol, ret);
+ if (ret->type == '?'
+ && (symbol->flags & (BSF_GLOBAL | BSF_LOCAL)) != 0
+ && strcmp (symbol->section->name, ".opd") == 0)
+ ret->type = (symbol->flags & BSF_GLOBAL) != 0 ? 'D' : 'd';
+}
+
/* Function to set whether a module needs the -mrelocatable bit set. */
static boolean
elf_elfheader (obfd)->e_flags &= ~EF_PPC_RELOCATABLE_LIB;
/* The output is -mrelocatable iff it can't be -mrelocatable-lib,
- but each input file is either -mrelocatable or -mrelocatable-lib. */
+ but each input file is either -mrelocatable or -mrelocatable-lib. */
if (! (elf_elfheader (obfd)->e_flags & EF_PPC_RELOCATABLE_LIB)
&& (new_flags & (EF_PPC_RELOCATABLE_LIB | EF_PPC_RELOCATABLE))
&& (old_flags & (EF_PPC_RELOCATABLE_LIB | EF_PPC_RELOCATABLE)))
ppc64_elf_section_from_shdr (abfd, hdr, name)
bfd *abfd;
Elf64_Internal_Shdr *hdr;
- char *name;
+ const char *name;
{
asection *newsect;
flagword flags;
selects between relative and absolute types. */
#define IS_ABSOLUTE_RELOC(RTYPE) \
- ((RTYPE) != R_PPC64_REL14 \
- && (RTYPE) != R_PPC64_REL14_BRNTAKEN \
- && (RTYPE) != R_PPC64_REL14_BRTAKEN \
- && (RTYPE) != R_PPC64_REL24 \
- && (RTYPE) != R_PPC64_REL32 \
- && (RTYPE) != R_PPC64_REL64)
+ ((RTYPE) != R_PPC64_REL32 \
+ && (RTYPE) != R_PPC64_REL64 \
+ && (RTYPE) != R_PPC64_ADDR30)
/* Section name for stubs is the associated section name plus this
string. */
select suitable defaults for the stub group size. */
unsigned int has_14bit_branch;
+ /* Set if we detect a reference undefined weak symbol. */
+ unsigned int have_undefweak;
+
/* Incremented every time we size stubs. */
unsigned int stub_iteration;
htab->srelbrlt = NULL;
htab->stub_error = 0;
htab->has_14bit_branch = 0;
+ htab->have_undefweak = 0;
htab->stub_iteration = 0;
htab->sym_sec.abfd = NULL;
stub_sec = htab->stub_group[link_sec->id].stub_sec;
if (stub_sec == NULL)
{
+ size_t namelen;
bfd_size_type len;
char *s_name;
- len = strlen (link_sec->name) + sizeof (STUB_SUFFIX);
+ namelen = strlen (link_sec->name);
+ len = namelen + sizeof (STUB_SUFFIX);
s_name = bfd_alloc (htab->stub_bfd, len);
if (s_name == NULL)
return NULL;
- strcpy (s_name, link_sec->name);
- strcpy (s_name + len - sizeof (STUB_SUFFIX), STUB_SUFFIX);
+ memcpy (s_name, link_sec->name, namelen);
+ memcpy (s_name + namelen, STUB_SUFFIX, sizeof (STUB_SUFFIX));
stub_sec = (*htab->add_stub_section) (s_name, link_sec);
if (stub_sec == NULL)
return NULL;
case R_PPC64_PLT32:
case R_PPC64_PLT64:
/* This symbol requires a procedure linkage table entry. We
- actually build the entry in adjust_dynamic_symbol,
- because this might be a case of linking PIC code without
- linking in any dynamic objects, in which case we don't
- need to generate a procedure linkage table after all. */
+ actually build the entry in adjust_dynamic_symbol,
+ because this might be a case of linking PIC code without
+ linking in any dynamic objects, in which case we don't
+ need to generate a procedure linkage table after all. */
if (h == NULL)
{
/* It does not make sense to have a procedure linkage
- table entry for a local symbol. */
+ table entry for a local symbol. */
bfd_set_error (bfd_error_bad_value);
return false;
}
false, false, false);
if (fdh != NULL)
{
- /* Ensure the function descriptor symbol string is
- part of the code symbol string. We aren't
- changing the name here, just allowing some tricks
- in ppc64_elf_hide_symbol. */
- fdh->root.root.string = h->root.root.string + 1;
((struct ppc_link_hash_entry *) fdh)->is_func_descriptor = 1;
((struct ppc_link_hash_entry *) fdh)->oh = h;
((struct ppc_link_hash_entry *) h)->is_func = 1;
if (!((struct ppc_link_hash_entry *) h)->is_func)
return true;
+ if (h->root.type == bfd_link_hash_undefweak
+ && (h->elf_link_hash_flags & ELF_LINK_HASH_REF_REGULAR))
+ htab->have_undefweak = true;
+
if (h->plt.refcount > 0
&& h->root.root.string[0] == '.'
&& h->root.root.string[1] != '\0')
}
((struct ppc_link_hash_entry *) fdh)->is_func_descriptor = 1;
((struct ppc_link_hash_entry *) fdh)->oh = h;
- fdh->root.root.string = h->root.root.string + 1;
((struct ppc_link_hash_entry *) h)->oh = fdh;
}
been imported from another library. Function code syms that
are really in the library we must leave global to prevent the
linker dragging in a definition from a static library. */
- force_local = ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0
- && info->shared);
+ force_local = (info->shared
+ && ((h->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) == 0
+ || fdh == NULL
+ || (fdh->elf_link_hash_flags
+ & ELF_LINK_HASH_DEF_REGULAR) == 0
+ || (fdh->elf_link_hash_flags
+ & ELF_LINK_FORCED_LOCAL) != 0));
_bfd_elf_link_hash_hide_symbol (info, h, force_local);
}
}
}
+ elf_link_hash_traverse (&htab->elf, func_desc_adjust, (PTR) info);
+
htab->sfpr->_raw_size = ((MAX_SAVE_FPR + 2 - lowest_savef) * 4
+ (MAX_SAVE_FPR + 2 - lowest_restf) * 4);
if (htab->sfpr->_raw_size == 0)
- htab->sfpr->_raw_size = 4;
+ {
+ if (!htab->have_undefweak)
+ {
+ _bfd_strip_section_from_output (info, htab->sfpr);
+ return true;
+ }
+
+ htab->sfpr->_raw_size = 4;
+ }
p = (bfd_byte *) bfd_alloc (htab->elf.dynobj, htab->sfpr->_raw_size);
if (p == NULL)
bfd_put_32 (htab->elf.dynobj, BLR, p);
}
- elf_link_hash_traverse (&htab->elf, func_desc_adjust, (PTR) info);
return true;
}
if (((struct ppc_link_hash_entry *) h)->is_func_descriptor)
{
- const char *name;
struct elf_link_hash_entry *fh = ((struct ppc_link_hash_entry *) h)->oh;
- struct ppc_link_hash_table *htab;
- name = h->root.root.string - 1;
- htab = ppc_hash_table (info);
if (fh == NULL)
- fh = elf_link_hash_lookup (&htab->elf, name, false, false, false);
+ {
+ const char *p, *q;
+ struct ppc_link_hash_table *htab;
+ char save;
+
+ /* We aren't supposed to use alloca in BFD because on
+ systems which do not have alloca the version in libiberty
+ calls xmalloc, which might cause the program to crash
+ when it runs out of memory. This function doesn't have a
+ return status, so there's no way to gracefully return an
+ error. So cheat. We know that string[-1] can be safely
+ dereferenced; It's either a string in an ELF string
+ table, or allocated in an objalloc structure. */
+
+ p = h->root.root.string - 1;
+ save = *p;
+ *(char *) p = '.';
+ htab = ppc_hash_table (info);
+ fh = elf_link_hash_lookup (&htab->elf, p, false, false, false);
+ *(char *) p = save;
+
+ /* Unfortunately, if it so happens that the string we were
+ looking for was allocated immediately before this string,
+ then we overwrote the string terminator. That's the only
+ reason the lookup should fail. */
+ if (fh == NULL)
+ {
+ q = h->root.root.string + strlen (h->root.root.string);
+ while (q >= h->root.root.string && *q == *p)
+ --q, --p;
+ if (q < h->root.root.string && *p == '.')
+ fh = elf_link_hash_lookup (&htab->elf, p, false, false, false);
+ }
+ if (fh != NULL)
+ {
+ ((struct ppc_link_hash_entry *) h)->oh = fh;
+ ((struct ppc_link_hash_entry *) fh)->oh = h;
+ }
+ }
if (fh != NULL)
_bfd_elf_link_hash_hide_symbol (info, fh, force_local);
}
continue;
}
+ /* .plt is in the bss section. We don't initialise it. */
+ if ((s->flags & SEC_LOAD) == 0)
+ continue;
+
/* Allocate memory for the section contents. We use bfd_zalloc
here in case unused entries are not reclaimed before the
section's contents are written out. This should not happen,
return false;
}
- if (htab->splt->_raw_size != 0)
+ if (htab->splt != NULL && htab->splt->_raw_size != 0)
{
if (!add_dynamic_entry (DT_PLTGOT, 0)
|| !add_dynamic_entry (DT_PLTRELSZ, 0)
htab->sglink->_cooked_size = p - htab->sglink->contents;
htab->sglink->reloc_count += 1;
+ /* Do the best we can for shared libraries built without
+ exporting ".foo" for each "foo". This can happen when symbol
+ versioning scripts strip all bar a subset of symbols. */
+ if (stub_entry->h->oh->root.type != bfd_link_hash_defined
+ && stub_entry->h->oh->root.type != bfd_link_hash_defweak)
+ {
+ /* Point the symbol at the stub. There may be multiple stubs,
+ we don't really care; The main thing is to make this sym
+ defined somewhere. */
+ stub_entry->h->oh->root.type = bfd_link_hash_defined;
+ stub_entry->h->oh->root.u.def.section = stub_entry->stub_sec;
+ stub_entry->h->oh->root.u.def.value = stub_entry->stub_offset;
+ }
+
/* Now build the stub. */
off = stub_entry->h->elf.plt.offset;
if (off >= (bfd_vma) -2)
/* Set up various things so that we can make a list of input sections
for each output section included in the link. Returns -1 on error,
- 0 when no stubs will be needed, and 1 on success. */
+ 0 when no stubs will be needed, and 1 on success. */
int
ppc64_elf_setup_section_lists (output_bfd, info)
bfd_size_type amt;
struct ppc_link_hash_table *htab = ppc_hash_table (info);
- if (htab->sbrlt == NULL)
+ if (htab->elf.root.creator->flavour != bfd_target_elf_flavour
+ || htab->sbrlt == NULL)
return 0;
/* Count the number of input BFDs and find the top input section id. */
we may insert linker stubs. */
void
-ppc64_elf_next_input_section (output_bfd, info, isec)
- bfd *output_bfd;
+ppc64_elf_next_input_section (info, isec)
struct bfd_link_info *info;
asection *isec;
{
struct ppc_link_hash_table *htab = ppc_hash_table (info);
- if (isec->output_section != NULL
- && isec->output_section->owner == output_bfd
- && isec->output_section->index <= htab->top_index)
+ if (isec->output_section->index <= htab->top_index)
{
asection **list = htab->input_list + isec->output_section->index;
if (*list != bfd_abs_section_ptr)
isym = local_syms, shndx = shndx_buf;
esym < end_sy;
esym++, isym++, shndx = (shndx ? shndx + 1 : NULL))
- bfd_elf64_swap_symbol_in (input_bfd, esym, shndx, isym);
+ bfd_elf64_swap_symbol_in (input_bfd, (const PTR) esym,
+ (const PTR) shndx, isym);
/* Now we can free the external symbols. */
free (shndx_buf);
(*htab->layout_sections_again) ();
}
- if (htab->sbrlt->_raw_size == 0)
- {
- _bfd_strip_section_from_output (info, htab->sbrlt);
- if (htab->srelbrlt != NULL)
- _bfd_strip_section_from_output (info, htab->srelbrlt);
- }
+ /* It would be nice to strip .branch_lt from the output if the
+ section is empty, but it's too late. If we strip sections here,
+ the dynamic symbol table is corrupted since the section symbol
+ for the stripped section isn't written. */
ret = true;
}
/* Called after we have determined section placement. If sections
- move, we'll be called again. Provide a value for TOCstart, and
- store in the output bfd elf_gp. */
+ move, we'll be called again. Provide a value for TOCstart. */
-boolean
-ppc64_elf_set_toc (obfd, info)
+bfd_vma
+ppc64_elf_toc (obfd)
bfd *obfd;
- struct bfd_link_info *info;
{
- if (!info->relocateable)
- {
- asection *s;
- bfd_vma TOCstart;
+ asection *s;
+ bfd_vma TOCstart;
- /* The TOC consists of sections .got, .toc, .tocbss, .plt in that
- order. The TOC starts where the first of these sections starts. */
- s = bfd_get_section_by_name (obfd, ".got");
- if (s == NULL)
- s = bfd_get_section_by_name (obfd, ".toc");
+ /* The TOC consists of sections .got, .toc, .tocbss, .plt in that
+ order. The TOC starts where the first of these sections starts. */
+ s = bfd_get_section_by_name (obfd, ".got");
+ if (s == NULL)
+ s = bfd_get_section_by_name (obfd, ".toc");
+ if (s == NULL)
+ s = bfd_get_section_by_name (obfd, ".tocbss");
+ if (s == NULL)
+ s = bfd_get_section_by_name (obfd, ".plt");
+ if (s == NULL)
+ {
+ /* This may happen for
+ o references to TOC base (SYM@toc / TOC[tc0]) without a
+ .toc directive
+ o bad linker script
+ o --gc-sections and empty TOC sections
+
+ FIXME: Warn user? */
+
+ /* Look for a likely section. We probably won't even be
+ using TOCstart. */
+ for (s = obfd->sections; s != NULL; s = s->next)
+ if ((s->flags & (SEC_ALLOC | SEC_SMALL_DATA | SEC_READONLY))
+ == (SEC_ALLOC | SEC_SMALL_DATA))
+ break;
if (s == NULL)
- s = bfd_get_section_by_name (obfd, ".tocbss");
+ for (s = obfd->sections; s != NULL; s = s->next)
+ if ((s->flags & (SEC_ALLOC | SEC_SMALL_DATA))
+ == (SEC_ALLOC | SEC_SMALL_DATA))
+ break;
if (s == NULL)
- s = bfd_get_section_by_name (obfd, ".plt");
+ for (s = obfd->sections; s != NULL; s = s->next)
+ if ((s->flags & (SEC_ALLOC | SEC_READONLY)) == SEC_ALLOC)
+ break;
if (s == NULL)
- {
- /* This may happen for
- o references to TOC base (SYM@toc / TOC[tc0]) without a
- .toc directive
- o bad linker script
- o --gc-sections and empty TOC sections
-
- FIXME: Warn user? */
-
- /* Look for a likely section. We probably won't even be
- using TOCstart. */
- for (s = obfd->sections; s != NULL; s = s->next)
- if ((s->flags & (SEC_ALLOC | SEC_SMALL_DATA | SEC_READONLY))
- == (SEC_ALLOC | SEC_SMALL_DATA))
- break;
- if (s == NULL)
- for (s = obfd->sections; s != NULL; s = s->next)
- if ((s->flags & (SEC_ALLOC | SEC_SMALL_DATA))
- == (SEC_ALLOC | SEC_SMALL_DATA))
- break;
- if (s == NULL)
- for (s = obfd->sections; s != NULL; s = s->next)
- if ((s->flags & (SEC_ALLOC | SEC_READONLY)) == SEC_ALLOC)
- break;
- if (s == NULL)
- for (s = obfd->sections; s != NULL; s = s->next)
- if ((s->flags & SEC_ALLOC) == SEC_ALLOC)
- break;
- }
+ for (s = obfd->sections; s != NULL; s = s->next)
+ if ((s->flags & SEC_ALLOC) == SEC_ALLOC)
+ break;
+ }
- TOCstart = 0;
- if (s != NULL)
- TOCstart = s->output_section->vma + s->output_offset;
+ TOCstart = 0;
+ if (s != NULL)
+ TOCstart = s->output_section->vma + s->output_offset;
- elf_gp (obfd) = TOCstart;
- }
- return true;
+ return TOCstart;
}
/* Build all the stubs associated with the current output file.
/* Disabled until we sort out how ld should choose 'y' vs 'at'. */
boolean is_power4 = false;
+ if (info->relocateable)
+ return true;
+
/* Initialize howto table if needed. */
if (!ppc64_elf_howto_table[R_PPC64_ADDR32])
ppc_howto_init ();
unsigned long r_symndx;
bfd_vma relocation;
boolean unresolved_reloc;
+ boolean warned;
long insn;
struct ppc_stub_hash_entry *stub_entry;
bfd_vma max_br_offset;
r_type = (enum elf_ppc_reloc_type) ELF64_R_TYPE (rel->r_info);
r_symndx = ELF64_R_SYM (rel->r_info);
-
- if (info->relocateable)
- {
- /* This is a relocatable link. We don't have to change
- anything, unless the reloc is against a section symbol,
- in which case we have to adjust according to where the
- section symbol winds up in the output section. */
- if (r_symndx < symtab_hdr->sh_info)
- {
- sym = local_syms + r_symndx;
- if ((unsigned) ELF_ST_TYPE (sym->st_info) == STT_SECTION)
- {
- sec = local_sections[r_symndx];
- rel->r_addend += sec->output_offset + sym->st_value;
- }
- }
- continue;
- }
-
- /* This is a final link. */
-
offset = rel->r_offset;
addend = rel->r_addend;
r = bfd_reloc_other;
h = (struct elf_link_hash_entry *) 0;
sym_name = (const char *) 0;
unresolved_reloc = false;
+ warned = false;
if (r_type == R_PPC64_TOC)
{
sym_name = "<local symbol>";
relocation = _bfd_elf_rela_local_sym (output_bfd, sym, sec, rel);
+ /* rel may have changed, update our copy of addend. */
+ addend = rel->r_addend;
}
else
{
|| info->no_undefined
|| ELF_ST_VISIBILITY (h->other)))))
return false;
+ warned = true;
}
}
/* Branch taken prediction relocations. */
case R_PPC64_ADDR14_BRTAKEN:
case R_PPC64_REL14_BRTAKEN:
- insn = 0x01 << 21; /* 'y' or 't' bit, lowest bit of BO field. */
- /* Fall thru. */
+ insn = 0x01 << 21; /* 'y' or 't' bit, lowest bit of BO field. */
+ /* Fall thru. */
/* Branch not taken prediction relocations. */
case R_PPC64_ADDR14_BRNTAKEN:
}
else
{
+ from = (offset
+ + input_section->output_offset
+ + input_section->output_section->vma);
+
/* Invert 'y' bit if not the default. */
- if ((bfd_signed_vma) (relocation - offset) < 0)
+ if ((bfd_signed_vma) (relocation + addend - from) < 0)
insn ^= 0x01 << 21;
}
blr. We can thus call a weak function without first
checking whether the function is defined. We have a
blr at the end of .sfpr. */
+ BFD_ASSERT (htab->sfpr->_raw_size != 0);
relocation = (htab->sfpr->_raw_size - 4
+ htab->sfpr->output_offset
+ htab->sfpr->output_section->vma);
from = (offset
+ input_section->output_offset
+ input_section->output_section->vma);
+
/* But let's not be silly about it. If the blr isn't in
reach, just go to the next instruction. */
- if (relocation - from + (1 << 25) >= (1 << 26))
+ if (relocation - from + (1 << 25) >= (1 << 26)
+ || htab->sfpr->_raw_size == 0)
relocation = from + 4;
}
break;
relocate = true;
if (r_type == R_PPC64_ADDR64 || r_type == R_PPC64_TOC)
{
+ if (is_opd && h != NULL)
+ {
+ /* Lie about opd entries. This case occurs
+ when building shared libraries and we
+ reference a function in another shared
+ lib. The same thing happens for a weak
+ definition in an application that's
+ overridden by a strong definition in a
+ shared lib. (I believe this is a generic
+ bug in binutils handling of weak syms.)
+ In these cases we won't use the opd
+ entry in this lib; We ought to edit the
+ opd section to remove unused entries. */
+ unresolved_reloc = false;
+ }
outrel.r_info = ELF64_R_INFO (0, R_PPC64_RELATIVE);
}
else
&& !(info->shared
&& (input_section->flags & SEC_DEBUGGING) != 0
&& (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_DYNAMIC) != 0))
- (*_bfd_error_handler)
- (_("%s(%s+0x%lx): unresolvable relocation against symbol `%s'"),
- bfd_archive_filename (input_bfd),
- bfd_get_section_name (input_bfd, input_section),
- (long) rel->r_offset,
- h->root.root.string);
+ {
+ (*_bfd_error_handler)
+ (_("%s(%s+0x%lx): unresolvable relocation against symbol `%s'"),
+ bfd_archive_filename (input_bfd),
+ bfd_get_section_name (input_bfd, input_section),
+ (long) rel->r_offset,
+ h->root.root.string);
+ ret = false;
+ }
r = _bfd_final_link_relocate (ppc64_elf_howto_table[(int) r_type],
input_bfd,
relocation,
addend);
- if (r == bfd_reloc_ok)
- ;
- else if (r == bfd_reloc_overflow)
+ if (r != bfd_reloc_ok)
{
const char *name;
name = bfd_section_name (input_bfd, sec);
}
- if (! ((*info->callbacks->reloc_overflow)
- (info, name, ppc64_elf_howto_table[(int) r_type]->name,
- (bfd_vma) 0, input_bfd, input_section, offset)))
- return false;
+ if (r == bfd_reloc_overflow)
+ {
+ if (warned)
+ continue;
+ if (!((*info->callbacks->reloc_overflow)
+ (info, name, ppc64_elf_howto_table[(int) r_type]->name,
+ rel->r_addend, input_bfd, input_section, offset)))
+ return false;
+ }
+ else
+ {
+ (*_bfd_error_handler)
+ (_("%s(%s+0x%lx): reloc against `%s': error %d"),
+ bfd_archive_filename (input_bfd),
+ bfd_get_section_name (input_bfd, input_section),
+ (long) rel->r_offset, name, (int) r);
+ ret = false;
+ }
}
- else
- ret = false;
}
return ret;
Elf64_External_Rela *loc;
/* This symbol has an entry in the procedure linkage table. Set
- it up. */
+ it up. */
if (htab->splt == NULL
|| htab->srelplt == NULL
Elf64_External_Rela *loc;
/* This symbol has an entry in the global offset table. Set it
- up. */
+ up. */
if (htab->sgot == NULL || htab->srelgot == NULL)
abort ();
#define elf_backend_plt_header_size PLT_INITIAL_ENTRY_SIZE
#define elf_backend_can_gc_sections 1
#define elf_backend_can_refcount 1
+#define elf_backend_rela_normal 1
#define bfd_elf64_bfd_reloc_type_lookup ppc64_elf_reloc_type_lookup
#define bfd_elf64_bfd_set_private_flags ppc64_elf_set_private_flags
#define bfd_elf64_bfd_merge_private_bfd_data ppc64_elf_merge_private_bfd_data
#define bfd_elf64_bfd_link_hash_table_create ppc64_elf_link_hash_table_create
#define bfd_elf64_bfd_link_hash_table_free ppc64_elf_link_hash_table_free
+#define bfd_elf64_get_symbol_info ppc64_elf_get_symbol_info
#define elf_backend_section_from_shdr ppc64_elf_section_from_shdr
#define elf_backend_create_dynamic_sections ppc64_elf_create_dynamic_sections
projects / deliverable / binutils-gdb.git / blobdiff