diff options
Diffstat (limited to 'bfd/reloc.c')
| -rw-r--r-- | bfd/reloc.c | 41 |
1 files changed, 35 insertions, 6 deletions
diff --git a/bfd/reloc.c b/bfd/reloc.c index 888581493b4..a1713b20c01 100644 --- a/bfd/reloc.c +++ b/bfd/reloc.c @@ -389,6 +389,14 @@ DESCRIPTION .#define NEWHOWTO( FUNCTION, NAME,SIZE,REL,IN) HOWTO(0,0,SIZE,0,REL,0,complain_overflow_dont,FUNCTION, NAME,false,0,0,IN) . + +DESCRIPTION + This is used to fill in an empty howto entry in an array. + +.#define EMPTY_HOWTO(C) \ +. HOWTO((C),0,0,0,false,0,complain_overflow_dont,NULL,NULL,false,0,0,false) +. + DESCRIPTION Helper routine to turn a symbol into a relocation value. @@ -1405,7 +1413,7 @@ _bfd_relocate_contents (howto, input_bfd, relocation, location) bfd_byte *location; { int size; - bfd_vma x; + bfd_vma x = 0; boolean overflow; unsigned int rightshift = howto->rightshift; unsigned int bitpos = howto->bitpos; @@ -1560,6 +1568,15 @@ _bfd_relocate_contents (howto, input_bfd, relocation, location) /* We just assume (b & ~ fieldmask) == 0. */ + /* We explicitly permit wrap around if this relocation + covers the high bit of an address. The Linux kernel + relies on it, and it is the only way to write assembler + code which can run when loaded at a location 0x80000000 + away from the location at which it is linked. */ + if (howto->bitsize + rightshift + == bfd_arch_bits_per_address (input_bfd)) + break; + sum = a + b; if (sum < a || (sum & ~ fieldmask) != 0) { @@ -2028,6 +2045,14 @@ ENUMX BFD_RELOC_MIPS_CALL_HI16 ENUMX BFD_RELOC_MIPS_CALL_LO16 +ENUMX + BFD_RELOC_MIPS_SUB +ENUMX + BFD_RELOC_MIPS_GOT_PAGE +ENUMX + BFD_RELOC_MIPS_GOT_OFST +ENUMX + BFD_RELOC_MIPS_GOT_DISP COMMENT ENUMDOC MIPS ELF relocations. @@ -2158,6 +2183,8 @@ ENUMDOC ENUM BFD_RELOC_ARM_IMMEDIATE ENUMX + BFD_RELOC_ARM_ADRL_IMMEDIATE +ENUMX BFD_RELOC_ARM_OFFSET_IMM ENUMX BFD_RELOC_ARM_SHIFT_IMM @@ -2537,6 +2564,8 @@ ENUMX BFD_RELOC_MCORE_PCREL_32 ENUMX BFD_RELOC_MCORE_PCREL_JSR_IMM11BY2 +ENUMX + BFD_RELOC_MCORE_RVA ENUMDOC Motorola Mcore relocations. @@ -2680,9 +2709,9 @@ DESCRIPTION /*ARGSUSED*/ boolean bfd_generic_relax_section (abfd, section, link_info, again) - bfd *abfd; - asection *section; - struct bfd_link_info *link_info; + bfd *abfd ATTRIBUTE_UNUSED; + asection *section ATTRIBUTE_UNUSED; + struct bfd_link_info *link_info ATTRIBUTE_UNUSED; boolean *again; { *again = false; @@ -2705,8 +2734,8 @@ DESCRIPTION /*ARGSUSED*/ boolean bfd_generic_gc_sections (abfd, link_info) - bfd *abfd; - struct bfd_link_info *link_info; + bfd *abfd ATTRIBUTE_UNUSED; + struct bfd_link_info *link_info ATTRIBUTE_UNUSED; { return true; } |