diff options
Diffstat (limited to 'binutils-2.25/bfd/elf32-mips.c')
| -rw-r--r-- | binutils-2.25/bfd/elf32-mips.c | 142 |
1 files changed, 115 insertions, 27 deletions
diff --git a/binutils-2.25/bfd/elf32-mips.c b/binutils-2.25/bfd/elf32-mips.c index eec2ef7f..4cfef7a2 100644 --- a/binutils-2.25/bfd/elf32-mips.c +++ b/binutils-2.25/bfd/elf32-mips.c @@ -1,6 +1,5 @@ /* MIPS-specific support for 32-bit ELF - Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, - 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. + Copyright (C) 1993-2014 Free Software Foundation, Inc. Most of the information added by Ian Lance Taylor, Cygnus Support, <ian@cygnus.com>. @@ -83,8 +82,8 @@ static bfd_boolean elf32_mips_grok_psinfo static irix_compat_t elf32_mips_irix_compat (bfd *); -extern const bfd_target bfd_elf32_bigmips_vec; -extern const bfd_target bfd_elf32_littlemips_vec; +extern const bfd_target mips_elf32_be_vec; +extern const bfd_target mips_elf32_le_vec; /* Nonzero if ABFD is using the N32 ABI. */ #define ABI_N32_P(abfd) \ @@ -717,6 +716,99 @@ static reloc_howto_type elf_mips_howto_table_rel[] = 0x0, /* src_mask */ 0xffffffff, /* dst_mask */ FALSE), /* pcrel_offset */ + + EMPTY_HOWTO (52), + EMPTY_HOWTO (53), + EMPTY_HOWTO (54), + EMPTY_HOWTO (55), + EMPTY_HOWTO (56), + EMPTY_HOWTO (57), + EMPTY_HOWTO (58), + EMPTY_HOWTO (59), + + HOWTO (R_MIPS_PC21_S2, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 21, /* bitsize */ + TRUE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_PC21_S2", /* name */ + TRUE, /* partial_inplace */ + 0x001fffff, /* src_mask */ + 0x001fffff, /* dst_mask */ + TRUE), /* pcrel_offset */ + + HOWTO (R_MIPS_PC26_S2, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 26, /* bitsize */ + TRUE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_PC26_S2", /* name */ + TRUE, /* partial_inplace */ + 0x03ffffff, /* src_mask */ + 0x03ffffff, /* dst_mask */ + TRUE), /* pcrel_offset */ + + HOWTO (R_MIPS_PC18_S3, /* type */ + 3, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 18, /* bitsize */ + TRUE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_PC18_S3", /* name */ + TRUE, /* partial_inplace */ + 0x0003ffff, /* src_mask */ + 0x0003ffff, /* dst_mask */ + TRUE), /* pcrel_offset */ + + HOWTO (R_MIPS_PC19_S2, /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 19, /* bitsize */ + TRUE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_PC19_S2", /* name */ + TRUE, /* partial_inplace */ + 0x0007ffff, /* src_mask */ + 0x0007ffff, /* dst_mask */ + TRUE), /* pcrel_offset */ + + HOWTO (R_MIPS_PCHI16, /* type */ + 16, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + TRUE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_PCHI16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + TRUE), /* pcrel_offset */ + + HOWTO (R_MIPS_PCLO16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + TRUE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_PCLO16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + TRUE), /* pcrel_offset */ }; /* The reloc used for BFD_RELOC_CTOR when doing a 64 bit link. This @@ -1906,7 +1998,13 @@ static const struct elf_reloc_map mips_reloc_map[] = { BFD_RELOC_MIPS_TLS_TPREL32, R_MIPS_TLS_TPREL32 }, { BFD_RELOC_MIPS_TLS_TPREL64, R_MIPS_TLS_TPREL64 }, { BFD_RELOC_MIPS_TLS_TPREL_HI16, R_MIPS_TLS_TPREL_HI16 }, - { BFD_RELOC_MIPS_TLS_TPREL_LO16, R_MIPS_TLS_TPREL_LO16 } + { BFD_RELOC_MIPS_TLS_TPREL_LO16, R_MIPS_TLS_TPREL_LO16 }, + { BFD_RELOC_MIPS_21_PCREL_S2, R_MIPS_PC21_S2 }, + { BFD_RELOC_MIPS_26_PCREL_S2, R_MIPS_PC26_S2 }, + { BFD_RELOC_MIPS_18_PCREL_S3, R_MIPS_PC18_S3 }, + { BFD_RELOC_MIPS_19_PCREL_S2, R_MIPS_PC19_S2 }, + { BFD_RELOC_HI16_S_PCREL, R_MIPS_PCHI16 }, + { BFD_RELOC_LO16_PCREL, R_MIPS_PCLO16 } }; static const struct elf_reloc_map mips16_reloc_map[] = @@ -2260,8 +2358,8 @@ elf32_mips_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) static irix_compat_t elf32_mips_irix_compat (bfd *abfd) { - if ((abfd->xvec == &bfd_elf32_bigmips_vec) - || (abfd->xvec == &bfd_elf32_littlemips_vec)) + if ((abfd->xvec == &mips_elf32_be_vec) + || (abfd->xvec == &mips_elf32_le_vec)) return ict_irix5; else return ict_none; @@ -2316,6 +2414,8 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { #define elf_backend_collect TRUE #define elf_backend_type_change_ok TRUE #define elf_backend_can_gc_sections TRUE +#define elf_backend_gc_mark_extra_sections \ + _bfd_mips_elf_gc_mark_extra_sections #define elf_info_to_howto mips_info_to_howto_rela #define elf_info_to_howto_rel mips_info_to_howto_rel #define elf_backend_sym_is_global mips_elf_sym_is_global @@ -2396,9 +2496,9 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { #define bfd_elf32_mkobject _bfd_mips_elf_mkobject /* Support for SGI-ish mips targets. */ -#define TARGET_LITTLE_SYM bfd_elf32_littlemips_vec +#define TARGET_LITTLE_SYM mips_elf32_le_vec #define TARGET_LITTLE_NAME "elf32-littlemips" -#define TARGET_BIG_SYM bfd_elf32_bigmips_vec +#define TARGET_BIG_SYM mips_elf32_be_vec #define TARGET_BIG_NAME "elf32-bigmips" /* The SVR4 MIPS ABI says that this should be 0x10000, but Irix 5 uses @@ -2417,9 +2517,9 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { #undef ELF_MAXPAGESIZE #undef ELF_COMMONPAGESIZE -#define TARGET_LITTLE_SYM bfd_elf32_tradlittlemips_vec +#define TARGET_LITTLE_SYM mips_elf32_trad_le_vec #define TARGET_LITTLE_NAME "elf32-tradlittlemips" -#define TARGET_BIG_SYM bfd_elf32_tradbigmips_vec +#define TARGET_BIG_SYM mips_elf32_trad_be_vec #define TARGET_BIG_NAME "elf32-tradbigmips" /* The MIPS ABI says at Page 5-1: @@ -2441,26 +2541,14 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { #undef TARGET_BIG_SYM #undef TARGET_BIG_NAME -#define TARGET_LITTLE_SYM bfd_elf32_tradlittlemips_freebsd_vec +#define TARGET_LITTLE_SYM mips_elf32_tradfbsd_le_vec #define TARGET_LITTLE_NAME "elf32-tradlittlemips-freebsd" -#define TARGET_BIG_SYM bfd_elf32_tradbigmips_freebsd_vec +#define TARGET_BIG_SYM mips_elf32_tradfbsd_be_vec #define TARGET_BIG_NAME "elf32-tradbigmips-freebsd" #undef ELF_OSABI #define ELF_OSABI ELFOSABI_FREEBSD -/* The kernel recognizes executables as valid only if they carry a - "FreeBSD" label in the ELF header. So we put this label on all - executables and (for simplicity) also all other object files. */ - -static void -elf_fbsd_post_process_headers (bfd *abfd, struct bfd_link_info *info) -{ - _bfd_elf_set_osabi (abfd, info); -} - -#undef elf_backend_post_process_headers -#define elf_backend_post_process_headers elf_fbsd_post_process_headers #undef elf32_bed #define elf32_bed elf32_fbsd_tradbed @@ -2482,9 +2570,9 @@ mips_vxworks_final_write_processing (bfd *abfd, bfd_boolean linker) #undef ELF_MAXPAGESIZE #undef ELF_COMMONPAGESIZE -#define TARGET_LITTLE_SYM bfd_elf32_littlemips_vxworks_vec +#define TARGET_LITTLE_SYM mips_elf32_vxworks_le_vec #define TARGET_LITTLE_NAME "elf32-littlemips-vxworks" -#define TARGET_BIG_SYM bfd_elf32_bigmips_vxworks_vec +#define TARGET_BIG_SYM mips_elf32_vxworks_be_vec #define TARGET_BIG_NAME "elf32-bigmips-vxworks" #undef ELF_OSABI |