X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=bfd%2Felf32-mips.c;h=c987ff9b24942c8e08378ca187f54dcbb70f7fae;hb=7a05057285eff9e475f67c91f7293cfd201b481a;hp=1e6cf6fe53dff22dcf46c9eccf9bdba830c35722;hpb=20efea1695438444c5adb78698512154aec166d7;p=pf3gnuchains%2Fpf3gnuchains3x.git diff --git a/bfd/elf32-mips.c b/bfd/elf32-mips.c index 1e6cf6fe53..c987ff9b24 100644 --- a/bfd/elf32-mips.c +++ b/bfd/elf32-mips.c @@ -1,6 +1,6 @@ /* MIPS-specific support for 32-bit ELF - Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002 - Free Software Foundation, Inc. + Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, + 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. Most of the information added by Ian Lance Taylor, Cygnus Support, . @@ -9,34 +9,37 @@ Traditional MIPS targets support added by Koundinya.K, Dansk Data Elektronik & Operations Research Group. -This file is part of BFD, the Binary File Descriptor library. + This file is part of BFD, the Binary File Descriptor library. -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* This file handles MIPS ELF targets. SGI Irix 5 uses a slightly different MIPS ELF from other targets. This matters when linking. This file supports both, switching at runtime. */ -#include "bfd.h" #include "sysdep.h" +#include "bfd.h" #include "libbfd.h" #include "bfdlink.h" #include "genlink.h" #include "elf-bfd.h" #include "elfxx-mips.h" #include "elf/mips.h" +#include "elf-vxworks.h" /* Get the ECOFF swapping routines. */ #include "coff/sym.h" @@ -47,206 +50,53 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #define ECOFF_SIGNED_32 #include "ecoffswap.h" -static bfd_reloc_status_type mips_elf_hi16_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); -static bfd_reloc_status_type mips_elf_lo16_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); -static bfd_reloc_status_type mips_elf_got16_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); +static bfd_reloc_status_type gprel32_with_gp + (bfd *, asymbol *, arelent *, asection *, bfd_boolean, void *, bfd_vma); static bfd_reloc_status_type mips_elf_gprel32_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); + (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); static bfd_reloc_status_type mips32_64bit_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); + (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); static reloc_howto_type *bfd_elf32_bfd_reloc_type_lookup - PARAMS ((bfd *, bfd_reloc_code_real_type)); + (bfd *, bfd_reloc_code_real_type); static reloc_howto_type *mips_elf32_rtype_to_howto - PARAMS ((unsigned int, boolean)); + (unsigned int, bfd_boolean); static void mips_info_to_howto_rel - PARAMS ((bfd *, arelent *, Elf32_Internal_Rel *)); + (bfd *, arelent *, Elf_Internal_Rela *); static void mips_info_to_howto_rela - PARAMS ((bfd *, arelent *, Elf32_Internal_Rela *)); -static boolean mips_elf_sym_is_global PARAMS ((bfd *, asymbol *)); -static boolean mips_elf32_object_p PARAMS ((bfd *)); -static boolean mips_elf_is_local_label_name - PARAMS ((bfd *, const char *)); -static bfd_reloc_status_type mips16_jump_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); + (bfd *, arelent *, Elf_Internal_Rela *); +static bfd_boolean mips_elf_sym_is_global + (bfd *, asymbol *); +static bfd_boolean mips_elf32_object_p + (bfd *); +static bfd_boolean mips_elf_is_local_label_name + (bfd *, const char *); static bfd_reloc_status_type mips16_gprel_reloc - PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **)); + (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); static bfd_reloc_status_type mips_elf_final_gp - PARAMS ((bfd *, asymbol *, boolean, char **, bfd_vma *)); -static boolean mips_elf_assign_gp PARAMS ((bfd *, bfd_vma *)); -static boolean elf32_mips_grok_prstatus - PARAMS ((bfd *, Elf_Internal_Note *)); -static boolean elf32_mips_grok_psinfo - PARAMS ((bfd *, Elf_Internal_Note *)); -static boolean elf32_mips_discard_info - PARAMS ((bfd *, struct elf_reloc_cookie *, struct bfd_link_info *)); -static boolean elf32_mips_ignore_discarded_relocs - PARAMS ((asection *)); -static boolean elf32_mips_write_section - PARAMS ((bfd *, asection *, bfd_byte *)); + (bfd *, asymbol *, bfd_boolean, char **, bfd_vma *); +static bfd_boolean mips_elf_assign_gp + (bfd *, bfd_vma *); +static bfd_boolean elf32_mips_grok_prstatus + (bfd *, Elf_Internal_Note *); +static bfd_boolean elf32_mips_grok_psinfo + (bfd *, Elf_Internal_Note *); static irix_compat_t elf32_mips_irix_compat - PARAMS ((bfd *)); + (bfd *); -extern const bfd_target bfd_elf32_tradbigmips_vec; -extern const bfd_target bfd_elf32_tradlittlemips_vec; +extern const bfd_target bfd_elf32_bigmips_vec; +extern const bfd_target bfd_elf32_littlemips_vec; /* Nonzero if ABFD is using the N32 ABI. */ - #define ABI_N32_P(abfd) \ ((elf_elfheader (abfd)->e_flags & EF_MIPS_ABI2) != 0) -/* Nonzero if ABFD is using the 64-bit ABI. */ -#define ABI_64_P(abfd) \ - ((elf_elfheader (abfd)->e_ident[EI_CLASS] == ELFCLASS64) != 0) - -#define NEWABI_P(abfd) (ABI_N32_P (abfd) || ABI_64_P (abfd)) - /* Whether we are trying to be compatible with IRIX at all. */ #define SGI_COMPAT(abfd) \ (elf32_mips_irix_compat (abfd) != ict_none) -/* The size of an external REL relocation. */ -#define MIPS_ELF_REL_SIZE(abfd) \ - (get_elf_backend_data (abfd)->s->sizeof_rel) - /* The number of local .got entries we reserve. */ #define MIPS_RESERVED_GOTNO (2) -#if 0 -/* We no longer try to identify particular sections for the .dynsym - section. When we do, we wind up crashing if there are other random - sections with relocations. */ - -/* Names of sections which appear in the .dynsym section in an Irix 5 - executable. */ - -static const char * const mips_elf_dynsym_sec_names[] = -{ - ".text", - ".init", - ".fini", - ".data", - ".rodata", - ".sdata", - ".sbss", - ".bss", - NULL -}; - -#define SIZEOF_MIPS_DYNSYM_SECNAMES \ - (sizeof mips_elf_dynsym_sec_names / sizeof mips_elf_dynsym_sec_names[0]) - -/* The number of entries in mips_elf_dynsym_sec_names which go in the - text segment. */ - -#define MIPS_TEXT_DYNSYM_SECNO (3) - -#endif /* 0 */ - -/* The names of the runtime procedure table symbols used on Irix 5. */ - -static const char * const mips_elf_dynsym_rtproc_names[] = -{ - "_procedure_table", - "_procedure_string_table", - "_procedure_table_size", - NULL -}; - -/* These structures are used to generate the .compact_rel section on - Irix 5. */ - -typedef struct -{ - unsigned long id1; /* Always one? */ - unsigned long num; /* Number of compact relocation entries. */ - unsigned long id2; /* Always two? */ - unsigned long offset; /* The file offset of the first relocation. */ - unsigned long reserved0; /* Zero? */ - unsigned long reserved1; /* Zero? */ -} Elf32_compact_rel; - -typedef struct -{ - bfd_byte id1[4]; - bfd_byte num[4]; - bfd_byte id2[4]; - bfd_byte offset[4]; - bfd_byte reserved0[4]; - bfd_byte reserved1[4]; -} Elf32_External_compact_rel; - -typedef struct -{ - unsigned int ctype : 1; /* 1: long 0: short format. See below. */ - unsigned int rtype : 4; /* Relocation types. See below. */ - unsigned int dist2to : 8; - unsigned int relvaddr : 19; /* (VADDR - vaddr of the previous entry)/ 4 */ - unsigned long konst; /* KONST field. See below. */ - unsigned long vaddr; /* VADDR to be relocated. */ -} Elf32_crinfo; - -typedef struct -{ - unsigned int ctype : 1; /* 1: long 0: short format. See below. */ - unsigned int rtype : 4; /* Relocation types. See below. */ - unsigned int dist2to : 8; - unsigned int relvaddr : 19; /* (VADDR - vaddr of the previous entry)/ 4 */ - unsigned long konst; /* KONST field. See below. */ -} Elf32_crinfo2; - -typedef struct -{ - bfd_byte info[4]; - bfd_byte konst[4]; - bfd_byte vaddr[4]; -} Elf32_External_crinfo; - -typedef struct -{ - bfd_byte info[4]; - bfd_byte konst[4]; -} Elf32_External_crinfo2; - -/* These are the constants used to swap the bitfields in a crinfo. */ - -#define CRINFO_CTYPE (0x1) -#define CRINFO_CTYPE_SH (31) -#define CRINFO_RTYPE (0xf) -#define CRINFO_RTYPE_SH (27) -#define CRINFO_DIST2TO (0xff) -#define CRINFO_DIST2TO_SH (19) -#define CRINFO_RELVADDR (0x7ffff) -#define CRINFO_RELVADDR_SH (0) - -/* A compact relocation info has long (3 words) or short (2 words) - formats. A short format doesn't have VADDR field and relvaddr - fields contains ((VADDR - vaddr of the previous entry) >> 2). */ -#define CRF_MIPS_LONG 1 -#define CRF_MIPS_SHORT 0 - -/* There are 4 types of compact relocation at least. The value KONST - has different meaning for each type: - - (type) (konst) - CT_MIPS_REL32 Address in data - CT_MIPS_WORD Address in word (XXX) - CT_MIPS_GPHI_LO GP - vaddr - CT_MIPS_JMPAD Address to jump - */ - -#define CRT_MIPS_REL32 0xa -#define CRT_MIPS_WORD 0xb -#define CRT_MIPS_GPHI_LO 0xc -#define CRT_MIPS_JMPAD 0xd - -#define mips_elf_set_cr_format(x,format) ((x).ctype = (format)) -#define mips_elf_set_cr_type(x,type) ((x).rtype = (type)) -#define mips_elf_set_cr_dist2to(x,v) ((x).dist2to = (v)) -#define mips_elf_set_cr_relvaddr(x,d) ((x).relvaddr = (d)<<2) - /* In case we're on a 32-bit machine, construct a 64-bit "-1" value from smaller values. Start with zero, widen, *then* decrement. */ #define MINUS_ONE (((bfd_vma)0) - 1) @@ -260,198 +110,200 @@ static reloc_howto_type elf_mips_howto_table_rel[] = 0, /* rightshift */ 0, /* size (0 = byte, 1 = short, 2 = long) */ 0, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + _bfd_mips_elf_generic_reloc, /* special_function */ "R_MIPS_NONE", /* name */ - false, /* partial_inplace */ + FALSE, /* partial_inplace */ 0, /* src_mask */ 0, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ /* 16 bit relocation. */ HOWTO (R_MIPS_16, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + _bfd_mips_elf_generic_reloc, /* special_function */ "R_MIPS_16", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0x0000ffff, /* src_mask */ 0x0000ffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ /* 32 bit relocation. */ HOWTO (R_MIPS_32, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 32, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + _bfd_mips_elf_generic_reloc, /* special_function */ "R_MIPS_32", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0xffffffff, /* src_mask */ 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ /* 32 bit symbol relative relocation. */ HOWTO (R_MIPS_REL32, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 32, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + _bfd_mips_elf_generic_reloc, /* special_function */ "R_MIPS_REL32", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0xffffffff, /* src_mask */ 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ /* 26 bit jump address. */ HOWTO (R_MIPS_26, /* type */ 2, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 26, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ /* This needs complex overflow detection, because the upper four bits must match the PC + 4. */ - bfd_elf_generic_reloc, /* special_function */ + _bfd_mips_elf_generic_reloc, /* special_function */ "R_MIPS_26", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0x03ffffff, /* src_mask */ 0x03ffffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ /* High 16 bits of symbol value. */ HOWTO (R_MIPS_HI16, /* type */ - 0, /* rightshift */ + 16, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ - mips_elf_hi16_reloc, /* special_function */ + _bfd_mips_elf_hi16_reloc, /* special_function */ "R_MIPS_HI16", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0x0000ffff, /* src_mask */ 0x0000ffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ /* Low 16 bits of symbol value. */ HOWTO (R_MIPS_LO16, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ - mips_elf_lo16_reloc, /* special_function */ + _bfd_mips_elf_lo16_reloc, /* special_function */ "R_MIPS_LO16", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0x0000ffff, /* src_mask */ 0x0000ffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ /* GP relative reference. */ HOWTO (R_MIPS_GPREL16, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_signed, /* complain_on_overflow */ _bfd_mips_elf32_gprel16_reloc, /* special_function */ "R_MIPS_GPREL16", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0x0000ffff, /* src_mask */ 0x0000ffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ /* Reference to literal section. */ HOWTO (R_MIPS_LITERAL, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_signed, /* complain_on_overflow */ _bfd_mips_elf32_gprel16_reloc, /* special_function */ "R_MIPS_LITERAL", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0x0000ffff, /* src_mask */ 0x0000ffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ /* Reference to global offset table. */ HOWTO (R_MIPS_GOT16, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_signed, /* complain_on_overflow */ - mips_elf_got16_reloc, /* special_function */ + _bfd_mips_elf_got16_reloc, /* special_function */ "R_MIPS_GOT16", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0x0000ffff, /* src_mask */ 0x0000ffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ - /* 16 bit PC relative reference. */ + /* 16 bit PC relative reference. Note that the ABI document has a typo + and claims R_MIPS_PC16 to be not rightshifted, rendering it useless. + We do the right thing here. */ HOWTO (R_MIPS_PC16, /* type */ - 0, /* rightshift */ + 2, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - true, /* pc_relative */ + TRUE, /* pc_relative */ 0, /* bitpos */ complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + _bfd_mips_elf_generic_reloc, /* special_function */ "R_MIPS_PC16", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0x0000ffff, /* src_mask */ 0x0000ffff, /* dst_mask */ - true), /* pcrel_offset */ + TRUE), /* pcrel_offset */ /* 16 bit call through global offset table. */ HOWTO (R_MIPS_CALL16, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + _bfd_mips_elf_generic_reloc, /* special_function */ "R_MIPS_CALL16", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0x0000ffff, /* src_mask */ 0x0000ffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ /* 32 bit GP relative reference. */ HOWTO (R_MIPS_GPREL32, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 32, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ mips_elf_gprel32_reloc, /* special_function */ "R_MIPS_GPREL32", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0xffffffff, /* src_mask */ 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ /* The remaining relocs are defined on Irix 5, although they are not defined by the ABI. */ @@ -464,15 +316,15 @@ static reloc_howto_type elf_mips_howto_table_rel[] = 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 5, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 6, /* bitpos */ complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + _bfd_mips_elf_generic_reloc, /* special_function */ "R_MIPS_SHIFT5", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0x000007c0, /* src_mask */ 0x000007c0, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ /* A 6 bit shift field. */ /* FIXME: This is not handled correctly; a special function is @@ -481,120 +333,120 @@ static reloc_howto_type elf_mips_howto_table_rel[] = 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 6, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 6, /* bitpos */ complain_overflow_bitfield, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + _bfd_mips_elf_generic_reloc, /* special_function */ "R_MIPS_SHIFT6", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0x000007c4, /* src_mask */ 0x000007c4, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ /* A 64 bit relocation. */ HOWTO (R_MIPS_64, /* type */ 0, /* rightshift */ 4, /* size (0 = byte, 1 = short, 2 = long) */ 64, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ mips32_64bit_reloc, /* special_function */ "R_MIPS_64", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ MINUS_ONE, /* src_mask */ MINUS_ONE, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ /* Displacement in the global offset table. */ HOWTO (R_MIPS_GOT_DISP, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + _bfd_mips_elf_generic_reloc, /* special_function */ "R_MIPS_GOT_DISP", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0x0000ffff, /* src_mask */ 0x0000ffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ /* Displacement to page pointer in the global offset table. */ HOWTO (R_MIPS_GOT_PAGE, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + _bfd_mips_elf_generic_reloc, /* special_function */ "R_MIPS_GOT_PAGE", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0x0000ffff, /* src_mask */ 0x0000ffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ /* Offset from page pointer in the global offset table. */ HOWTO (R_MIPS_GOT_OFST, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + _bfd_mips_elf_generic_reloc, /* special_function */ "R_MIPS_GOT_OFST", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0x0000ffff, /* src_mask */ 0x0000ffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ /* High 16 bits of displacement in global offset table. */ HOWTO (R_MIPS_GOT_HI16, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + _bfd_mips_elf_generic_reloc, /* special_function */ "R_MIPS_GOT_HI16", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0x0000ffff, /* src_mask */ 0x0000ffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ /* Low 16 bits of displacement in global offset table. */ HOWTO (R_MIPS_GOT_LO16, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + _bfd_mips_elf_generic_reloc, /* special_function */ "R_MIPS_GOT_LO16", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0x0000ffff, /* src_mask */ 0x0000ffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ /* 64 bit subtraction. Used in the N32 ABI. */ HOWTO (R_MIPS_SUB, /* type */ 0, /* rightshift */ 4, /* size (0 = byte, 1 = short, 2 = long) */ 64, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + _bfd_mips_elf_generic_reloc, /* special_function */ "R_MIPS_SUB", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ MINUS_ONE, /* src_mask */ MINUS_ONE, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ /* Used to cause the linker to insert and delete instructions? */ EMPTY_HOWTO (R_MIPS_INSERT_A), @@ -606,75 +458,75 @@ static reloc_howto_type elf_mips_howto_table_rel[] = 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + _bfd_mips_elf_generic_reloc, /* special_function */ "R_MIPS_HIGHER", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0x0000ffff, /* src_mask */ 0x0000ffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ /* Get the highest value of a 64 bit addend. */ HOWTO (R_MIPS_HIGHEST, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + _bfd_mips_elf_generic_reloc, /* special_function */ "R_MIPS_HIGHEST", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0x0000ffff, /* src_mask */ 0x0000ffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ /* High 16 bits of displacement in global offset table. */ HOWTO (R_MIPS_CALL_HI16, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + _bfd_mips_elf_generic_reloc, /* special_function */ "R_MIPS_CALL_HI16", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0x0000ffff, /* src_mask */ 0x0000ffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ /* Low 16 bits of displacement in global offset table. */ HOWTO (R_MIPS_CALL_LO16, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + _bfd_mips_elf_generic_reloc, /* special_function */ "R_MIPS_CALL_LO16", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0x0000ffff, /* src_mask */ 0x0000ffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ /* Section displacement. */ HOWTO (R_MIPS_SCN_DISP, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 32, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + _bfd_mips_elf_generic_reloc, /* special_function */ "R_MIPS_SCN_DISP", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0xffffffff, /* src_mask */ 0xffffffff, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ EMPTY_HOWTO (R_MIPS_REL16), EMPTY_HOWTO (R_MIPS_ADD_IMMEDIATE), @@ -687,15 +539,184 @@ static reloc_howto_type elf_mips_howto_table_rel[] = 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 32, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + _bfd_mips_elf_generic_reloc, /* special_function */ "R_MIPS_JALR", /* name */ - false, /* partial_inplace */ + FALSE, /* partial_inplace */ 0x00000000, /* src_mask */ 0x00000000, /* dst_mask */ - false), /* pcrel_offset */ + FALSE), /* pcrel_offset */ + + /* TLS GD/LD dynamic relocations. */ + HOWTO (R_MIPS_TLS_DTPMOD32, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPMOD32", /* name */ + TRUE, /* partial_inplace */ + 0xffffffff, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + HOWTO (R_MIPS_TLS_DTPREL32, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPREL32", /* name */ + TRUE, /* partial_inplace */ + 0xffffffff, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + EMPTY_HOWTO (R_MIPS_TLS_DTPMOD64), + EMPTY_HOWTO (R_MIPS_TLS_DTPREL64), + + /* TLS general dynamic variable reference. */ + HOWTO (R_MIPS_TLS_GD, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_GD", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS local dynamic variable reference. */ + HOWTO (R_MIPS_TLS_LDM, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_LDM", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS local dynamic offset. */ + HOWTO (R_MIPS_TLS_DTPREL_HI16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPREL_HI16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS local dynamic offset. */ + HOWTO (R_MIPS_TLS_DTPREL_LO16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_DTPREL_LO16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS thread pointer offset. */ + HOWTO (R_MIPS_TLS_GOTTPREL, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_GOTTPREL", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS IE dynamic relocations. */ + HOWTO (R_MIPS_TLS_TPREL32, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_TPREL32", /* name */ + TRUE, /* partial_inplace */ + 0xffffffff, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + EMPTY_HOWTO (R_MIPS_TLS_TPREL64), + + /* TLS thread pointer offset. */ + HOWTO (R_MIPS_TLS_TPREL_HI16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_TPREL_HI16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* TLS thread pointer offset. */ + HOWTO (R_MIPS_TLS_TPREL_LO16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_TLS_TPREL_LO16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* 32 bit relocation with no addend. */ + HOWTO (R_MIPS_GLOB_DAT, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS_GLOB_DAT", /* name */ + FALSE, /* partial_inplace */ + 0x0, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ }; /* The reloc used for BFD_RELOC_CTOR when doing a 64 bit link. This @@ -705,83 +726,111 @@ static reloc_howto_type elf_mips_ctor64_howto = 0, /* rightshift */ 4, /* size (0 = byte, 1 = short, 2 = long) */ 32, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_signed, /* complain_on_overflow */ mips32_64bit_reloc, /* special_function */ "R_MIPS_64", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0xffffffff, /* src_mask */ 0xffffffff, /* dst_mask */ - false); /* pcrel_offset */ + FALSE); /* pcrel_offset */ -/* The reloc used for the mips16 jump instruction. */ -static reloc_howto_type elf_mips16_jump_howto = +static reloc_howto_type elf_mips16_howto_table_rel[] = +{ + /* The reloc used for the mips16 jump instruction. */ HOWTO (R_MIPS16_26, /* type */ 2, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 26, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ /* This needs complex overflow detection, because the upper four bits must match the PC. */ - mips16_jump_reloc, /* special_function */ + _bfd_mips_elf_generic_reloc, /* special_function */ "R_MIPS16_26", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0x3ffffff, /* src_mask */ 0x3ffffff, /* dst_mask */ - false); /* pcrel_offset */ + FALSE), /* pcrel_offset */ -/* The reloc used for the mips16 gprel instruction. */ -static reloc_howto_type elf_mips16_gprel_howto = + /* The reloc used for the mips16 gprel instruction. */ HOWTO (R_MIPS16_GPREL, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_signed, /* complain_on_overflow */ mips16_gprel_reloc, /* special_function */ "R_MIPS16_GPREL", /* name */ - true, /* partial_inplace */ - 0x07ff001f, /* src_mask */ - 0x07ff001f, /* dst_mask */ - false); /* pcrel_offset */ - -/* GNU extensions for embedded-pic. */ -/* High 16 bits of symbol value, pc-relative. */ -static reloc_howto_type elf_mips_gnu_rel_hi16 = - HOWTO (R_MIPS_GNU_REL_HI16, /* type */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* A MIPS16 reference to the global offset table. */ + HOWTO (R_MIPS16_GOT16, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - true, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ - mips_elf_hi16_reloc, /* special_function */ - "R_MIPS_GNU_REL_HI16", /* name */ - true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - true); /* pcrel_offset */ + _bfd_mips_elf_got16_reloc, /* special_function */ + "R_MIPS16_GOT16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ -/* Low 16 bits of symbol value, pc-relative. */ -static reloc_howto_type elf_mips_gnu_rel_lo16 = - HOWTO (R_MIPS_GNU_REL_LO16, /* type */ + /* A MIPS16 call through the global offset table. */ + HOWTO (R_MIPS16_CALL16, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - true, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ - mips_elf_lo16_reloc, /* special_function */ - "R_MIPS_GNU_REL_LO16", /* name */ - true, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - true); /* pcrel_offset */ + _bfd_mips_elf_generic_reloc, /* special_function */ + "R_MIPS16_CALL16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* MIPS16 high 16 bits of symbol value. */ + HOWTO (R_MIPS16_HI16, /* type */ + 16, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_mips_elf_hi16_reloc, /* special_function */ + "R_MIPS16_HI16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* MIPS16 low 16 bits of symbol value. */ + HOWTO (R_MIPS16_LO16, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + _bfd_mips_elf_lo16_reloc, /* special_function */ + "R_MIPS16_LO16", /* name */ + TRUE, /* partial_inplace */ + 0x0000ffff, /* src_mask */ + 0x0000ffff, /* dst_mask */ + FALSE), /* pcrel_offset */ +}; /* 16 bit offset for pc-relative branches. */ static reloc_howto_type elf_mips_gnu_rel16_s2 = @@ -789,47 +838,34 @@ static reloc_howto_type elf_mips_gnu_rel16_s2 = 2, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 16, /* bitsize */ - true, /* pc_relative */ + TRUE, /* pc_relative */ 0, /* bitpos */ complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + _bfd_mips_elf_generic_reloc, /* special_function */ "R_MIPS_GNU_REL16_S2", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0xffff, /* src_mask */ 0xffff, /* dst_mask */ - true); /* pcrel_offset */ - -/* 64 bit pc-relative. */ -static reloc_howto_type elf_mips_gnu_pcrel64 = - HOWTO (R_MIPS_PC64, /* type */ - 0, /* rightshift */ - 4, /* size (0 = byte, 1 = short, 2 = long) */ - 64, /* bitsize */ - true, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ - "R_MIPS_PC64", /* name */ - true, /* partial_inplace */ - MINUS_ONE, /* src_mask */ - MINUS_ONE, /* dst_mask */ - true); /* pcrel_offset */ + TRUE); /* pcrel_offset */ -/* 32 bit pc-relative. */ +/* 32 bit pc-relative. This was a GNU extension used by embedded-PIC. + It was co-opted by mips-linux for exception-handling data. It is no + longer used, but should continue to be supported by the linker for + backward compatibility. (GCC stopped using it in May, 2004.) */ static reloc_howto_type elf_mips_gnu_pcrel32 = HOWTO (R_MIPS_PC32, /* type */ 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 32, /* bitsize */ - true, /* pc_relative */ + TRUE, /* pc_relative */ 0, /* bitpos */ complain_overflow_signed, /* complain_on_overflow */ - bfd_elf_generic_reloc, /* special_function */ + _bfd_mips_elf_generic_reloc, /* special_function */ "R_MIPS_PC32", /* name */ - true, /* partial_inplace */ + TRUE, /* partial_inplace */ 0xffffffff, /* src_mask */ 0xffffffff, /* dst_mask */ - true); /* pcrel_offset */ + TRUE); /* pcrel_offset */ /* GNU extension to record C++ vtable hierarchy */ static reloc_howto_type elf_mips_gnu_vtinherit_howto = @@ -837,15 +873,15 @@ static reloc_howto_type elf_mips_gnu_vtinherit_howto = 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 0, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ NULL, /* special_function */ "R_MIPS_GNU_VTINHERIT", /* name */ - false, /* partial_inplace */ + FALSE, /* partial_inplace */ 0, /* src_mask */ 0, /* dst_mask */ - false); /* pcrel_offset */ + FALSE); /* pcrel_offset */ /* GNU extension to record C++ vtable member usage */ static reloc_howto_type elf_mips_gnu_vtentry_howto = @@ -853,279 +889,53 @@ static reloc_howto_type elf_mips_gnu_vtentry_howto = 0, /* rightshift */ 2, /* size (0 = byte, 1 = short, 2 = long) */ 0, /* bitsize */ - false, /* pc_relative */ + FALSE, /* pc_relative */ 0, /* bitpos */ complain_overflow_dont, /* complain_on_overflow */ _bfd_elf_rel_vtable_reloc_fn, /* special_function */ "R_MIPS_GNU_VTENTRY", /* name */ - false, /* partial_inplace */ + FALSE, /* partial_inplace */ 0, /* src_mask */ 0, /* dst_mask */ - false); /* pcrel_offset */ - -/* Do a R_MIPS_HI16 relocation. This has to be done in combination - with a R_MIPS_LO16 reloc, because there is a carry from the LO16 to - the HI16. Here we just save the information we need; we do the - actual relocation when we see the LO16. - - MIPS ELF requires that the LO16 immediately follow the HI16. As a - GNU extension, for non-pc-relative relocations, we permit an - arbitrary number of HI16 relocs to be associated with a single LO16 - reloc. This extension permits gcc to output the HI and LO relocs - itself. - - This cannot be done for PC-relative relocations because both the HI16 - and LO16 parts of the relocations must be done relative to the LO16 - part, and there can be carry to or borrow from the HI16 part. */ - -struct mips_hi16 -{ - struct mips_hi16 *next; - bfd_byte *addr; - bfd_vma addend; -}; + FALSE); /* pcrel_offset */ -/* FIXME: This should not be a static variable. */ - -static struct mips_hi16 *mips_hi16_list; - -static bfd_reloc_status_type -mips_elf_hi16_reloc (abfd, reloc_entry, symbol, data, input_section, - output_bfd, error_message) - bfd *abfd ATTRIBUTE_UNUSED; - arelent *reloc_entry; - asymbol *symbol; - PTR data; - asection *input_section; - bfd *output_bfd; - char **error_message; -{ - bfd_reloc_status_type ret; - bfd_vma relocation; - struct mips_hi16 *n; - - /* If we're relocating, and this an external symbol, we don't want - to change anything. */ - if (output_bfd != (bfd *) NULL - && (symbol->flags & BSF_SECTION_SYM) == 0 - && reloc_entry->addend == 0) - { - reloc_entry->address += input_section->output_offset; - return bfd_reloc_ok; - } - - ret = bfd_reloc_ok; - - if (strcmp (bfd_asymbol_name (symbol), "_gp_disp") == 0) - { - boolean relocateable; - bfd_vma gp; - - if (ret == bfd_reloc_undefined) - abort (); - - if (output_bfd != NULL) - relocateable = true; - else - { - relocateable = false; - output_bfd = symbol->section->output_section->owner; - } - - ret = mips_elf_final_gp (output_bfd, symbol, relocateable, - error_message, &gp); - if (ret != bfd_reloc_ok) - return ret; - - relocation = gp - reloc_entry->address; - } - else - { - if (bfd_is_und_section (symbol->section) - && output_bfd == (bfd *) NULL) - ret = bfd_reloc_undefined; - - if (bfd_is_com_section (symbol->section)) - relocation = 0; - else - relocation = symbol->value; - } - - relocation += symbol->section->output_section->vma; - relocation += symbol->section->output_offset; - relocation += reloc_entry->addend; - - if (reloc_entry->address > input_section->_cooked_size) - return bfd_reloc_outofrange; - - /* Save the information, and let LO16 do the actual relocation. */ - n = (struct mips_hi16 *) bfd_malloc ((bfd_size_type) sizeof *n); - if (n == NULL) - return bfd_reloc_outofrange; - n->addr = (bfd_byte *) data + reloc_entry->address; - n->addend = relocation; - n->next = mips_hi16_list; - mips_hi16_list = n; - - if (output_bfd != (bfd *) NULL) - reloc_entry->address += input_section->output_offset; - - return ret; -} - -/* Do a R_MIPS_LO16 relocation. This is a straightforward 16 bit - inplace relocation; this function exists in order to do the - R_MIPS_HI16 relocation described above. */ - -static bfd_reloc_status_type -mips_elf_lo16_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; -{ - arelent gp_disp_relent; - - if (mips_hi16_list != NULL) - { - struct mips_hi16 *l; - - l = mips_hi16_list; - while (l != NULL) - { - unsigned long insn; - unsigned long val; - unsigned long vallo; - struct mips_hi16 *next; - - /* Do the HI16 relocation. Note that we actually don't need - to know anything about the LO16 itself, except where to - find the low 16 bits of the addend needed by the LO16. */ - insn = bfd_get_32 (abfd, l->addr); - vallo = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); - - /* The low order 16 bits are always treated as a signed - value. */ - vallo = ((vallo & 0xffff) ^ 0x8000) - 0x8000; - val = ((insn & 0xffff) << 16) + vallo; - val += l->addend; - - /* If PC-relative, we need to subtract out the address of the LO - half of the HI/LO. (The actual relocation is relative - to that instruction.) */ - if (reloc_entry->howto->pc_relative) - val -= reloc_entry->address; - - /* At this point, "val" has the value of the combined HI/LO - pair. If the low order 16 bits (which will be used for - the LO16 insn) are negative, then we will need an - adjustment for the high order 16 bits. */ - val += 0x8000; - val = (val >> 16) & 0xffff; - - insn &= ~ (bfd_vma) 0xffff; - insn |= val; - bfd_put_32 (abfd, (bfd_vma) insn, l->addr); - - if (strcmp (bfd_asymbol_name (symbol), "_gp_disp") == 0) - { - gp_disp_relent = *reloc_entry; - reloc_entry = &gp_disp_relent; - reloc_entry->addend = l->addend; - } - - next = l->next; - free (l); - l = next; - } - - mips_hi16_list = NULL; - } - else if (strcmp (bfd_asymbol_name (symbol), "_gp_disp") == 0) - { - bfd_reloc_status_type ret; - bfd_vma gp, relocation; - - /* FIXME: Does this case ever occur? */ - - ret = mips_elf_final_gp (output_bfd, symbol, true, error_message, &gp); - if (ret != bfd_reloc_ok) - return ret; - - relocation = gp - reloc_entry->address; - relocation += symbol->section->output_section->vma; - relocation += symbol->section->output_offset; - relocation += reloc_entry->addend; - - if (reloc_entry->address > input_section->_cooked_size) - return bfd_reloc_outofrange; - - gp_disp_relent = *reloc_entry; - reloc_entry = &gp_disp_relent; - reloc_entry->addend = relocation - 4; - } - - /* Now do the LO16 reloc in the usual way. */ - return bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data, - input_section, output_bfd, error_message); -} - -/* Do a R_MIPS_GOT16 reloc. This is a reloc against the global offset - table used for PIC code. If the symbol is an external symbol, the - instruction is modified to contain the offset of the appropriate - entry in the global offset table. If the symbol is a section - symbol, the next reloc is a R_MIPS_LO16 reloc. The two 16 bit - addends are combined to form the real addend against the section - symbol; the GOT16 is modified to contain the offset of an entry in - the global offset table, and the LO16 is modified to offset it - appropriately. Thus an offset larger than 16 bits requires a - modified value in the global offset table. - - This implementation suffices for the assembler, but the linker does - not yet know how to create global offset tables. */ - -static bfd_reloc_status_type -mips_elf_got16_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 we're relocating, and this an external symbol, we don't want - to change anything. */ - if (output_bfd != (bfd *) NULL - && (symbol->flags & BSF_SECTION_SYM) == 0 - && reloc_entry->addend == 0) - { - reloc_entry->address += input_section->output_offset; - return bfd_reloc_ok; - } - - /* If we're relocating, and this is a local symbol, we can handle it - just like HI16. */ - if (output_bfd != (bfd *) NULL - && (symbol->flags & BSF_SECTION_SYM) != 0) - return mips_elf_hi16_reloc (abfd, reloc_entry, symbol, data, - input_section, output_bfd, error_message); - - abort (); -} +/* Originally a VxWorks extension, but now used for other systems too. */ +static reloc_howto_type elf_mips_copy_howto = + HOWTO (R_MIPS_COPY, /* type */ + 0, /* rightshift */ + 0, /* this one is variable size */ + 0, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_COPY", /* name */ + FALSE, /* partial_inplace */ + 0x0, /* src_mask */ + 0x0, /* dst_mask */ + FALSE); /* pcrel_offset */ + +/* Originally a VxWorks extension, but now used for other systems too. */ +static reloc_howto_type elf_mips_jump_slot_howto = + HOWTO (R_MIPS_JUMP_SLOT, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_MIPS_JUMP_SLOT", /* name */ + FALSE, /* partial_inplace */ + 0x0, /* src_mask */ + 0x0, /* dst_mask */ + FALSE); /* pcrel_offset */ -/* Set the GP value for OUTPUT_BFD. Returns false if this is a +/* Set the GP value for OUTPUT_BFD. Returns FALSE if this is a dangerous relocation. */ -static boolean -mips_elf_assign_gp (output_bfd, pgp) - bfd *output_bfd; - bfd_vma *pgp; +static bfd_boolean +mips_elf_assign_gp (bfd *output_bfd, bfd_vma *pgp) { unsigned int count; asymbol **sym; @@ -1134,14 +944,14 @@ mips_elf_assign_gp (output_bfd, pgp) /* If we've already figured out what GP will be, just return it. */ *pgp = _bfd_get_gp_value (output_bfd); if (*pgp) - return true; + return TRUE; count = bfd_get_symcount (output_bfd); sym = bfd_get_outsymbols (output_bfd); /* The linker script will have created a symbol named `_gp' with the appropriate value. */ - if (sym == (asymbol **) NULL) + if (sym == NULL) i = count; else { @@ -1164,28 +974,24 @@ mips_elf_assign_gp (output_bfd, pgp) /* Only get the error once. */ *pgp = 4; _bfd_set_gp_value (output_bfd, *pgp); - return false; + return FALSE; } - return true; + return TRUE; } /* We have to figure out the gp value, so that we can adjust the symbol value correctly. We look up the symbol _gp in the output BFD. If we can't find it, we're stuck. We cache it in the ELF target data. We don't need to adjust the symbol value for an - external symbol if we are producing relocateable output. */ + external symbol if we are producing relocatable output. */ static bfd_reloc_status_type -mips_elf_final_gp (output_bfd, symbol, relocateable, error_message, pgp) - bfd *output_bfd; - asymbol *symbol; - boolean relocateable; - char **error_message; - bfd_vma *pgp; +mips_elf_final_gp (bfd *output_bfd, asymbol *symbol, bfd_boolean relocatable, + char **error_message, bfd_vma *pgp) { if (bfd_is_und_section (symbol->section) - && ! relocateable) + && ! relocatable) { *pgp = 0; return bfd_reloc_undefined; @@ -1193,13 +999,13 @@ mips_elf_final_gp (output_bfd, symbol, relocateable, error_message, pgp) *pgp = _bfd_get_gp_value (output_bfd); if (*pgp == 0 - && (! relocateable + && (! relocatable || (symbol->flags & BSF_SECTION_SYM) != 0)) { - if (relocateable) + if (relocatable) { /* Make up a value. */ - *pgp = symbol->section->output_section->vma + 0x4000; + *pgp = symbol->section->output_section->vma /*+ 0x4000*/; _bfd_set_gp_value (output_bfd, *pgp); } else if (!mips_elf_assign_gp (output_bfd, pgp)) @@ -1220,118 +1026,90 @@ mips_elf_final_gp (output_bfd, symbol, relocateable, error_message, pgp) merged. */ bfd_reloc_status_type -_bfd_mips_elf32_gprel16_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_mips_elf32_gprel16_reloc (bfd *abfd, arelent *reloc_entry, + asymbol *symbol, void *data, + asection *input_section, bfd *output_bfd, + char **error_message) { - boolean relocateable; + bfd_boolean relocatable; bfd_reloc_status_type ret; bfd_vma gp; - /* If we're relocating, and this is an external symbol with no - addend, we don't want to change anything. We will only have an - addend if this is a newly created reloc, not read from an ELF - file. */ - if (output_bfd != (bfd *) NULL + /* R_MIPS_LITERAL relocations are defined for local symbols only. */ + if (reloc_entry->howto->type == R_MIPS_LITERAL + && output_bfd != NULL && (symbol->flags & BSF_SECTION_SYM) == 0 - && reloc_entry->addend == 0) + && (symbol->flags & BSF_LOCAL) != 0) { - reloc_entry->address += input_section->output_offset; - return bfd_reloc_ok; + *error_message = (char *) + _("literal relocation occurs for an external symbol"); + return bfd_reloc_outofrange; } - if (output_bfd != (bfd *) NULL) - relocateable = true; + if (output_bfd != NULL) + relocatable = TRUE; else { - relocateable = false; + relocatable = FALSE; output_bfd = symbol->section->output_section->owner; } - ret = mips_elf_final_gp (output_bfd, symbol, relocateable, error_message, + ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message, &gp); if (ret != bfd_reloc_ok) return ret; return _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, - input_section, relocateable, + input_section, relocatable, data, gp); } -/* Do a R_MIPS_GPREL32 relocation. Is this 32 bit value the offset - from the gp register? XXX */ - -static bfd_reloc_status_type gprel32_with_gp PARAMS ((bfd *, asymbol *, - arelent *, asection *, - boolean, PTR, bfd_vma)); +/* Do a R_MIPS_GPREL32 relocation. This is a 32 bit value which must + become the offset from the gp register. */ static bfd_reloc_status_type -mips_elf_gprel32_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; +mips_elf_gprel32_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, + void *data, asection *input_section, bfd *output_bfd, + char **error_message) { - boolean relocateable; + bfd_boolean relocatable; bfd_reloc_status_type ret; bfd_vma gp; - /* If we're relocating, and this is an external symbol with no - addend, we don't want to change anything. We will only have an - addend if this is a newly created reloc, not read from an ELF - file. */ - if (output_bfd != (bfd *) NULL + /* R_MIPS_GPREL32 relocations are defined for local symbols only. */ + if (output_bfd != NULL && (symbol->flags & BSF_SECTION_SYM) == 0 - && reloc_entry->addend == 0) + && (symbol->flags & BSF_LOCAL) != 0) { *error_message = (char *) _("32bits gp relative relocation occurs for an external symbol"); return bfd_reloc_outofrange; } - if (output_bfd != (bfd *) NULL) - { - relocateable = true; - gp = _bfd_get_gp_value (output_bfd); - } + if (output_bfd != NULL) + relocatable = TRUE; else { - relocateable = false; + relocatable = FALSE; output_bfd = symbol->section->output_section->owner; - - ret = mips_elf_final_gp (output_bfd, symbol, relocateable, - error_message, &gp); - if (ret != bfd_reloc_ok) - return ret; } + ret = mips_elf_final_gp (output_bfd, symbol, relocatable, + error_message, &gp); + if (ret != bfd_reloc_ok) + return ret; + return gprel32_with_gp (abfd, symbol, reloc_entry, input_section, - relocateable, data, gp); + relocatable, data, gp); } static bfd_reloc_status_type -gprel32_with_gp (abfd, symbol, reloc_entry, input_section, relocateable, data, - gp) - bfd *abfd; - asymbol *symbol; - arelent *reloc_entry; - asection *input_section; - boolean relocateable; - PTR data; - bfd_vma gp; +gprel32_with_gp (bfd *abfd, asymbol *symbol, arelent *reloc_entry, + asection *input_section, bfd_boolean relocatable, + void *data, bfd_vma gp) { bfd_vma relocation; - unsigned long val; + bfd_vma val; if (bfd_is_com_section (symbol->section)) relocation = 0; @@ -1341,30 +1119,28 @@ gprel32_with_gp (abfd, symbol, reloc_entry, input_section, relocateable, data, relocation += symbol->section->output_section->vma; relocation += symbol->section->output_offset; - if (reloc_entry->address > input_section->_cooked_size) + if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) return bfd_reloc_outofrange; - if (reloc_entry->howto->src_mask == 0) - { - /* This case arises with the 64-bit MIPS ELF ABI. */ - val = 0; - } - else - val = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); - /* Set val to the offset into the section or symbol. */ - val += reloc_entry->addend; + val = reloc_entry->addend; + + if (reloc_entry->howto->partial_inplace) + val += bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); /* Adjust val for the final section location and GP value. If we - are producing relocateable output, we don't want to do this for + are producing relocatable output, we don't want to do this for an external symbol. */ - if (! relocateable + if (! relocatable || (symbol->flags & BSF_SECTION_SYM) != 0) val += relocation - gp; - bfd_put_32 (abfd, (bfd_vma) val, (bfd_byte *) data + reloc_entry->address); + if (reloc_entry->howto->partial_inplace) + bfd_put_32 (abfd, val, (bfd_byte *) data + reloc_entry->address); + else + reloc_entry->addend = val; - if (relocateable) + if (relocatable) reloc_entry->address += input_section->output_offset; return bfd_reloc_ok; @@ -1375,26 +1151,16 @@ gprel32_with_gp (abfd, symbol, reloc_entry, input_section, relocateable, data, sign extension. */ static bfd_reloc_status_type -mips32_64bit_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; +mips32_64bit_reloc (bfd *abfd, arelent *reloc_entry, + asymbol *symbol ATTRIBUTE_UNUSED, + void *data, asection *input_section, + bfd *output_bfd, char **error_message) { bfd_reloc_status_type r; arelent reloc32; unsigned long val; bfd_size_type addr; - r = bfd_elf_generic_reloc (abfd, reloc_entry, symbol, data, - input_section, output_bfd, error_message); - if (r != bfd_reloc_continue) - return r; - /* Do a normal 32 bit relocation on the lower 32 bits. */ reloc32 = *reloc_entry; if (bfd_big_endian (abfd)) @@ -1412,118 +1178,54 @@ mips32_64bit_reloc (abfd, reloc_entry, symbol, data, input_section, addr = reloc_entry->address; if (bfd_little_endian (abfd)) addr += 4; - bfd_put_32 (abfd, (bfd_vma) val, (bfd_byte *) data + addr); + bfd_put_32 (abfd, val, (bfd_byte *) data + addr); return r; } -/* Handle a mips16 jump. */ - -static bfd_reloc_status_type -mips16_jump_reloc (abfd, reloc_entry, symbol, data, input_section, - output_bfd, error_message) - bfd *abfd ATTRIBUTE_UNUSED; - arelent *reloc_entry; - asymbol *symbol; - PTR data ATTRIBUTE_UNUSED; - asection *input_section; - bfd *output_bfd; - char **error_message ATTRIBUTE_UNUSED; -{ - if (output_bfd != (bfd *) NULL - && (symbol->flags & BSF_SECTION_SYM) == 0 - && reloc_entry->addend == 0) - { - reloc_entry->address += input_section->output_offset; - return bfd_reloc_ok; - } - - /* FIXME. */ - { - static boolean warned; - - if (! warned) - (*_bfd_error_handler) - (_("Linking mips16 objects into %s format is not supported"), - bfd_get_target (input_section->output_section->owner)); - warned = true; - } - - return bfd_reloc_undefined; -} - /* Handle a mips16 GP relative reloc. */ static bfd_reloc_status_type -mips16_gprel_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; +mips16_gprel_reloc (bfd *abfd, arelent *reloc_entry, asymbol *symbol, + void *data, asection *input_section, bfd *output_bfd, + char **error_message) { - boolean relocateable; + bfd_boolean relocatable; bfd_reloc_status_type ret; + bfd_byte *location; bfd_vma gp; - unsigned short extend, insn; - unsigned long final; - /* If we're relocating, and this is an external symbol with no - addend, we don't want to change anything. We will only have an - addend if this is a newly created reloc, not read from an ELF - file. */ + /* If we're relocating, and this is an external symbol, we don't want + to change anything. */ if (output_bfd != NULL && (symbol->flags & BSF_SECTION_SYM) == 0 - && reloc_entry->addend == 0) + && (symbol->flags & BSF_LOCAL) != 0) { reloc_entry->address += input_section->output_offset; return bfd_reloc_ok; } if (output_bfd != NULL) - relocateable = true; + relocatable = TRUE; else { - relocateable = false; + relocatable = FALSE; output_bfd = symbol->section->output_section->owner; } - ret = mips_elf_final_gp (output_bfd, symbol, relocateable, error_message, + ret = mips_elf_final_gp (output_bfd, symbol, relocatable, error_message, &gp); if (ret != bfd_reloc_ok) return ret; - if (reloc_entry->address > input_section->_cooked_size) - return bfd_reloc_outofrange; - - /* Pick up the mips16 extend instruction and the real instruction. */ - extend = bfd_get_16 (abfd, (bfd_byte *) data + reloc_entry->address); - insn = bfd_get_16 (abfd, (bfd_byte *) data + reloc_entry->address + 2); - - /* Stuff the current addend back as a 32 bit value, do the usual - relocation, and then clean up. */ - bfd_put_32 (abfd, - (bfd_vma) (((extend & 0x1f) << 11) - | (extend & 0x7e0) - | (insn & 0x1f)), - (bfd_byte *) data + reloc_entry->address); - + location = (bfd_byte *) data + reloc_entry->address; + _bfd_mips16_elf_reloc_unshuffle (abfd, reloc_entry->howto->type, FALSE, + location); ret = _bfd_mips_elf_gprel16_with_gp (abfd, symbol, reloc_entry, - input_section, relocateable, data, gp); - - final = bfd_get_32 (abfd, (bfd_byte *) data + reloc_entry->address); - bfd_put_16 (abfd, - (bfd_vma) ((extend & 0xf800) - | ((final >> 11) & 0x1f) - | (final & 0x7e0)), - (bfd_byte *) data + reloc_entry->address); - bfd_put_16 (abfd, - (bfd_vma) ((insn & 0xffe0) - | (final & 0x1f)), - (bfd_byte *) data + reloc_entry->address + 2); + input_section, relocatable, + data, gp); + _bfd_mips16_elf_reloc_shuffle (abfd, reloc_entry->howto->type, !relocatable, + location); return ret; } @@ -1531,15 +1233,16 @@ mips16_gprel_reloc (abfd, reloc_entry, symbol, data, input_section, /* A mapping from BFD reloc types to MIPS ELF reloc types. */ struct elf_reloc_map { - bfd_reloc_code_real_type bfd_reloc_val; - enum elf_mips_reloc_type elf_reloc_val; + bfd_reloc_code_real_type bfd_val; + enum elf_mips_reloc_type elf_val; }; static const struct elf_reloc_map mips_reloc_map[] = { - { BFD_RELOC_NONE, R_MIPS_NONE, }, + { BFD_RELOC_NONE, R_MIPS_NONE }, { BFD_RELOC_16, R_MIPS_16 }, { BFD_RELOC_32, R_MIPS_32 }, + /* There is no BFD reloc for R_MIPS_REL32. */ { BFD_RELOC_64, R_MIPS_64 }, { BFD_RELOC_MIPS_JMP, R_MIPS_26 }, { BFD_RELOC_HI16_S, R_MIPS_HI16 }, @@ -1547,7 +1250,7 @@ static const struct elf_reloc_map mips_reloc_map[] = { BFD_RELOC_GPREL16, R_MIPS_GPREL16 }, { BFD_RELOC_MIPS_LITERAL, R_MIPS_LITERAL }, { BFD_RELOC_MIPS_GOT16, R_MIPS_GOT16 }, - { BFD_RELOC_16_PCREL, R_MIPS_PC16 }, + { BFD_RELOC_16_PCREL_S2, R_MIPS_PC16 }, { BFD_RELOC_MIPS_CALL16, R_MIPS_CALL16 }, { BFD_RELOC_GPREL32, R_MIPS_GPREL32 }, { BFD_RELOC_MIPS_GOT_HI16, R_MIPS_GOT_HI16 }, @@ -1557,22 +1260,54 @@ static const struct elf_reloc_map mips_reloc_map[] = { BFD_RELOC_MIPS_SUB, R_MIPS_SUB }, { BFD_RELOC_MIPS_GOT_PAGE, R_MIPS_GOT_PAGE }, { BFD_RELOC_MIPS_GOT_OFST, R_MIPS_GOT_OFST }, - { BFD_RELOC_MIPS_GOT_DISP, R_MIPS_GOT_DISP } + { BFD_RELOC_MIPS_GOT_DISP, R_MIPS_GOT_DISP }, + { BFD_RELOC_MIPS_JALR, R_MIPS_JALR }, + { BFD_RELOC_MIPS_TLS_DTPMOD32, R_MIPS_TLS_DTPMOD32 }, + { BFD_RELOC_MIPS_TLS_DTPREL32, R_MIPS_TLS_DTPREL32 }, + { BFD_RELOC_MIPS_TLS_DTPMOD64, R_MIPS_TLS_DTPMOD64 }, + { BFD_RELOC_MIPS_TLS_DTPREL64, R_MIPS_TLS_DTPREL64 }, + { BFD_RELOC_MIPS_TLS_GD, R_MIPS_TLS_GD }, + { BFD_RELOC_MIPS_TLS_LDM, R_MIPS_TLS_LDM }, + { BFD_RELOC_MIPS_TLS_DTPREL_HI16, R_MIPS_TLS_DTPREL_HI16 }, + { BFD_RELOC_MIPS_TLS_DTPREL_LO16, R_MIPS_TLS_DTPREL_LO16 }, + { BFD_RELOC_MIPS_TLS_GOTTPREL, R_MIPS_TLS_GOTTPREL }, + { 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 } +}; + +static const struct elf_reloc_map mips16_reloc_map[] = +{ + { BFD_RELOC_MIPS16_JMP, R_MIPS16_26 - R_MIPS16_min }, + { BFD_RELOC_MIPS16_GPREL, R_MIPS16_GPREL - R_MIPS16_min }, + { BFD_RELOC_MIPS16_GOT16, R_MIPS16_GOT16 - R_MIPS16_min }, + { BFD_RELOC_MIPS16_CALL16, R_MIPS16_CALL16 - R_MIPS16_min }, + { BFD_RELOC_MIPS16_HI16_S, R_MIPS16_HI16 - R_MIPS16_min }, + { BFD_RELOC_MIPS16_LO16, R_MIPS16_LO16 - R_MIPS16_min }, }; /* Given a BFD reloc type, return a howto structure. */ static reloc_howto_type * -bfd_elf32_bfd_reloc_type_lookup (abfd, code) - bfd *abfd; - bfd_reloc_code_real_type code; +bfd_elf32_bfd_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code) { unsigned int i; + reloc_howto_type *howto_table = elf_mips_howto_table_rel; + reloc_howto_type *howto16_table = elf_mips16_howto_table_rel; + + for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map); + i++) + { + if (mips_reloc_map[i].bfd_val == code) + return &howto_table[(int) mips_reloc_map[i].elf_val]; + } - for (i = 0; i < sizeof (mips_reloc_map) / sizeof (struct elf_reloc_map); i++) + for (i = 0; i < sizeof (mips16_reloc_map) / sizeof (struct elf_reloc_map); + i++) { - if (mips_reloc_map[i].bfd_reloc_val == code) - return &elf_mips_howto_table_rel[(int) mips_reloc_map[i].elf_reloc_val]; + if (mips16_reloc_map[i].bfd_val == code) + return &howto16_table[(int) mips16_reloc_map[i].elf_val]; } switch (code) @@ -1584,88 +1319,103 @@ bfd_elf32_bfd_reloc_type_lookup (abfd, code) case BFD_RELOC_CTOR: /* We need to handle BFD_RELOC_CTOR specially. Select the right relocation (R_MIPS_32 or R_MIPS_64) based on the - size of addresses on this architecture. */ - if (bfd_arch_bits_per_address (abfd) == 32) - return &elf_mips_howto_table_rel[(int) R_MIPS_32]; - else + size of addresses of the ABI. */ + if ((elf_elfheader (abfd)->e_flags & (E_MIPS_ABI_O64 + | E_MIPS_ABI_EABI64)) != 0) return &elf_mips_ctor64_howto; + else + return &howto_table[(int) R_MIPS_32]; - case BFD_RELOC_MIPS16_JMP: - return &elf_mips16_jump_howto; - case BFD_RELOC_MIPS16_GPREL: - return &elf_mips16_gprel_howto; case BFD_RELOC_VTABLE_INHERIT: return &elf_mips_gnu_vtinherit_howto; case BFD_RELOC_VTABLE_ENTRY: return &elf_mips_gnu_vtentry_howto; - case BFD_RELOC_PCREL_HI16_S: - return &elf_mips_gnu_rel_hi16; - case BFD_RELOC_PCREL_LO16: - return &elf_mips_gnu_rel_lo16; - case BFD_RELOC_16_PCREL_S2: - return &elf_mips_gnu_rel16_s2; - case BFD_RELOC_64_PCREL: - return &elf_mips_gnu_pcrel64; case BFD_RELOC_32_PCREL: return &elf_mips_gnu_pcrel32; + case BFD_RELOC_MIPS_COPY: + return &elf_mips_copy_howto; + case BFD_RELOC_MIPS_JUMP_SLOT: + return &elf_mips_jump_slot_howto; } } -/* Given a MIPS Elf32_Internal_Rel, fill in an arelent structure. */ +static reloc_howto_type * +bfd_elf32_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, + const char *r_name) +{ + unsigned int i; + + for (i = 0; + i < (sizeof (elf_mips_howto_table_rel) + / sizeof (elf_mips_howto_table_rel[0])); + i++) + if (elf_mips_howto_table_rel[i].name != NULL + && strcasecmp (elf_mips_howto_table_rel[i].name, r_name) == 0) + return &elf_mips_howto_table_rel[i]; + + for (i = 0; + i < (sizeof (elf_mips16_howto_table_rel) + / sizeof (elf_mips16_howto_table_rel[0])); + i++) + if (elf_mips16_howto_table_rel[i].name != NULL + && strcasecmp (elf_mips16_howto_table_rel[i].name, r_name) == 0) + return &elf_mips16_howto_table_rel[i]; + + if (strcasecmp (elf_mips_gnu_pcrel32.name, r_name) == 0) + return &elf_mips_gnu_pcrel32; + if (strcasecmp (elf_mips_gnu_rel16_s2.name, r_name) == 0) + return &elf_mips_gnu_rel16_s2; + if (strcasecmp (elf_mips_gnu_vtinherit_howto.name, r_name) == 0) + return &elf_mips_gnu_vtinherit_howto; + if (strcasecmp (elf_mips_gnu_vtentry_howto.name, r_name) == 0) + return &elf_mips_gnu_vtentry_howto; + if (strcasecmp (elf_mips_copy_howto.name, r_name) == 0) + return &elf_mips_copy_howto; + if (strcasecmp (elf_mips_jump_slot_howto.name, r_name) == 0) + return &elf_mips_jump_slot_howto; + + return NULL; +} + +/* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */ static reloc_howto_type * -mips_elf32_rtype_to_howto (r_type, rela_p) - unsigned int r_type; - boolean rela_p ATTRIBUTE_UNUSED; +mips_elf32_rtype_to_howto (unsigned int r_type, + bfd_boolean rela_p ATTRIBUTE_UNUSED) { switch (r_type) { - case R_MIPS16_26: - return &elf_mips16_jump_howto; - break; - case R_MIPS16_GPREL: - return &elf_mips16_gprel_howto; - break; case R_MIPS_GNU_VTINHERIT: return &elf_mips_gnu_vtinherit_howto; - break; case R_MIPS_GNU_VTENTRY: return &elf_mips_gnu_vtentry_howto; - break; - case R_MIPS_GNU_REL_HI16: - return &elf_mips_gnu_rel_hi16; - break; - case R_MIPS_GNU_REL_LO16: - return &elf_mips_gnu_rel_lo16; - break; case R_MIPS_GNU_REL16_S2: return &elf_mips_gnu_rel16_s2; - break; - case R_MIPS_PC64: - return &elf_mips_gnu_pcrel64; - break; case R_MIPS_PC32: return &elf_mips_gnu_pcrel32; - break; - + case R_MIPS_COPY: + return &elf_mips_copy_howto; + case R_MIPS_JUMP_SLOT: + return &elf_mips_jump_slot_howto; default: + if (r_type >= R_MIPS16_min && r_type < R_MIPS16_max) + return &elf_mips16_howto_table_rel[r_type - R_MIPS16_min]; BFD_ASSERT (r_type < (unsigned int) R_MIPS_max); return &elf_mips_howto_table_rel[r_type]; } } -/* Given a MIPS Elf32_Internal_Rel, fill in an arelent structure. */ +/* Given a MIPS Elf_Internal_Rel, fill in an arelent structure. */ static void -mips_info_to_howto_rel (abfd, cache_ptr, dst) - bfd *abfd; - arelent *cache_ptr; - Elf32_Internal_Rel *dst; +mips_info_to_howto_rel (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst) { + const struct elf_backend_data *bed; unsigned int r_type; r_type = ELF32_R_TYPE (dst->r_info); - cache_ptr->howto = mips_elf32_rtype_to_howto (r_type, false); + bed = get_elf_backend_data (abfd); + cache_ptr->howto = bed->elf_backend_mips_rtype_to_howto (r_type, FALSE); /* The addend for a GPREL16 or LITERAL relocation comes from the GP value for the object file. We get the addend now, rather than @@ -1677,21 +1427,15 @@ mips_info_to_howto_rel (abfd, cache_ptr, dst) cache_ptr->addend = elf_gp (abfd); } -/* Given a MIPS Elf32_Internal_Rela, fill in an arelent structure. */ +/* Given a MIPS Elf_Internal_Rela, fill in an arelent structure. */ static void -mips_info_to_howto_rela (abfd, cache_ptr, dst) - bfd *abfd; - arelent *cache_ptr; - Elf32_Internal_Rela *dst; +mips_info_to_howto_rela (bfd *abfd, arelent *cache_ptr, Elf_Internal_Rela *dst) { - /* Since an Elf32_Internal_Rel is an initial prefix of an - Elf32_Internal_Rela, we can just use mips_info_to_howto_rel - above. */ - mips_info_to_howto_rel (abfd, cache_ptr, (Elf32_Internal_Rel *) dst); + mips_info_to_howto_rel (abfd, cache_ptr, dst); /* If we ever need to do any extra processing with dst->r_addend - (the field omitted in an Elf32_Internal_Rel) we can do it here. */ + (the field omitted in an Elf_Internal_Rel) we can do it here. */ } /* Determine whether a symbol is global for the purposes of splitting @@ -1700,24 +1444,21 @@ mips_info_to_howto_rela (abfd, cache_ptr, dst) symbols. On most ELF targets the split is between static symbols and externally visible symbols. */ -static boolean -mips_elf_sym_is_global (abfd, sym) - bfd *abfd ATTRIBUTE_UNUSED; - asymbol *sym; +static bfd_boolean +mips_elf_sym_is_global (bfd *abfd ATTRIBUTE_UNUSED, asymbol *sym) { if (SGI_COMPAT (abfd)) return (sym->flags & BSF_SECTION_SYM) == 0; else - return ((sym->flags & (BSF_GLOBAL | BSF_WEAK)) != 0 + return ((sym->flags & (BSF_GLOBAL | BSF_WEAK | BSF_GNU_UNIQUE)) != 0 || bfd_is_und_section (bfd_get_section (sym)) || bfd_is_com_section (bfd_get_section (sym))); } /* Set the right machine number for a MIPS ELF file. */ -static boolean -mips_elf32_object_p (abfd) - bfd *abfd; +static bfd_boolean +mips_elf32_object_p (bfd *abfd) { unsigned long mach; @@ -1725,23 +1466,24 @@ mips_elf32_object_p (abfd) sorted correctly such that local symbols precede global symbols, and the sh_info field in the symbol table is not always right. */ if (SGI_COMPAT (abfd)) - elf_bad_symtab (abfd) = true; + elf_bad_symtab (abfd) = TRUE; + + if (ABI_N32_P (abfd)) + return FALSE; mach = _bfd_elf_mips_mach (elf_elfheader (abfd)->e_flags); bfd_default_set_arch_mach (abfd, bfd_arch_mips, mach); - return true; + return TRUE; } /* MIPS ELF local labels start with '$', not 'L'. */ -static boolean -mips_elf_is_local_label_name (abfd, name) - bfd *abfd; - const char *name; +static bfd_boolean +mips_elf_is_local_label_name (bfd *abfd, const char *name) { if (name[0] == '$') - return true; + return TRUE; /* On Irix 6, the labels go back to starting with '.', so we accept the generic ELF local label syntax as well. */ @@ -1749,18 +1491,16 @@ mips_elf_is_local_label_name (abfd, name) } /* Support for core dump NOTE sections. */ -static boolean -elf32_mips_grok_prstatus (abfd, note) - bfd *abfd; - Elf_Internal_Note *note; +static bfd_boolean +elf32_mips_grok_prstatus (bfd *abfd, Elf_Internal_Note *note) { int offset; - unsigned int raw_size; + unsigned int size; switch (note->descsz) { default: - return false; + return FALSE; case 256: /* Linux/MIPS */ /* pr_cursig */ @@ -1771,25 +1511,23 @@ elf32_mips_grok_prstatus (abfd, note) /* pr_reg */ offset = 72; - raw_size = 180; + size = 180; break; } /* Make a ".reg/999" section. */ return _bfd_elfcore_make_pseudosection (abfd, ".reg", - raw_size, note->descpos + offset); + size, note->descpos + offset); } -static boolean -elf32_mips_grok_psinfo (abfd, note) - bfd *abfd; - Elf_Internal_Note *note; +static bfd_boolean +elf32_mips_grok_psinfo (bfd *abfd, Elf_Internal_Note *note) { switch (note->descsz) { default: - return false; + return FALSE; case 128: /* Linux/MIPS elf_prpsinfo */ elf_tdata (abfd)->core_program @@ -1810,301 +1548,19 @@ elf32_mips_grok_psinfo (abfd, note) command[n - 1] = '\0'; } - return true; + return TRUE; } -#define PDR_SIZE 32 - -static boolean -elf32_mips_discard_info (abfd, cookie, info) - bfd *abfd; - struct elf_reloc_cookie *cookie; - struct bfd_link_info *info; -{ - asection *o; - struct elf_backend_data *bed = get_elf_backend_data (abfd); - boolean ret = false; - unsigned char *tdata; - size_t i, skip; - - o = bfd_get_section_by_name (abfd, ".pdr"); - if (! o) - return false; - if (o->_raw_size == 0) - return false; - if (o->_raw_size % PDR_SIZE != 0) - return false; - if (o->output_section != NULL - && bfd_is_abs_section (o->output_section)) - return false; - - tdata = bfd_zmalloc (o->_raw_size / PDR_SIZE); - if (! tdata) - return false; - - cookie->rels = _bfd_elf32_link_read_relocs (abfd, o, (PTR) NULL, - (Elf_Internal_Rela *) NULL, - info->keep_memory); - if (!cookie->rels) - { - free (tdata); - return false; - } - - cookie->rel = cookie->rels; - cookie->relend = - cookie->rels + o->reloc_count * bed->s->int_rels_per_ext_rel; - - for (i = 0, skip = 0; i < o->_raw_size; i ++) - { - if (_bfd_elf32_reloc_symbol_deleted_p (i * PDR_SIZE, cookie)) - { - tdata[i] = 1; - skip ++; - } - } - - if (skip != 0) - { - elf_section_data (o)->tdata = tdata; - o->_cooked_size = o->_raw_size - skip * PDR_SIZE; - ret = true; - } - else - free (tdata); - - if (! info->keep_memory) - free (cookie->rels); - - return ret; -} - -static boolean -elf32_mips_ignore_discarded_relocs (sec) - asection *sec; -{ - if (strcmp (sec->name, ".pdr") == 0) - return true; - return false; -} - -static boolean -elf32_mips_write_section (output_bfd, sec, contents) - bfd *output_bfd; - asection *sec; - bfd_byte *contents; -{ - bfd_byte *to, *from, *end; - int i; - - if (strcmp (sec->name, ".pdr") != 0) - return false; - - if (elf_section_data (sec)->tdata == NULL) - return false; - - to = contents; - end = contents + sec->_raw_size; - for (from = contents, i = 0; - from < end; - from += PDR_SIZE, i++) - { - if (((unsigned char *)elf_section_data (sec)->tdata)[i] == 1) - continue; - if (to != from) - memcpy (to, from, PDR_SIZE); - to += PDR_SIZE; - } - bfd_set_section_contents (output_bfd, sec->output_section, contents, - (file_ptr) sec->output_offset, - sec->_cooked_size); - return true; -} - /* Depending on the target vector we generate some version of Irix executables or "normal" MIPS ELF ABI executables. */ static irix_compat_t -elf32_mips_irix_compat (abfd) - bfd *abfd; +elf32_mips_irix_compat (bfd *abfd) { - if ((abfd->xvec == &bfd_elf32_tradbigmips_vec) - || (abfd->xvec == &bfd_elf32_tradlittlemips_vec)) - return ict_none; - else + if ((abfd->xvec == &bfd_elf32_bigmips_vec) + || (abfd->xvec == &bfd_elf32_littlemips_vec)) return ict_irix5; -} - -/* Given a data section and an in-memory embedded reloc section, store - relocation information into the embedded reloc section which can be - used at runtime to relocate the data section. This is called by the - linker when the --embedded-relocs switch is used. This is called - after the add_symbols entry point has been called for all the - objects, and before the final_link entry point is called. */ - -boolean -bfd_mips_elf32_create_embedded_relocs (abfd, info, datasec, relsec, errmsg) - bfd *abfd; - struct bfd_link_info *info; - asection *datasec; - asection *relsec; - char **errmsg; -{ - Elf_Internal_Shdr *symtab_hdr; - Elf_Internal_Shdr *shndx_hdr; - Elf32_External_Sym *extsyms; - Elf32_External_Sym *free_extsyms = NULL; - Elf_External_Sym_Shndx *shndx_buf = NULL; - Elf_Internal_Rela *internal_relocs; - Elf_Internal_Rela *free_relocs = NULL; - Elf_Internal_Rela *irel, *irelend; - bfd_byte *p; - bfd_size_type amt; - - BFD_ASSERT (! info->relocateable); - - *errmsg = NULL; - - if (datasec->reloc_count == 0) - return true; - - symtab_hdr = &elf_tdata (abfd)->symtab_hdr; - /* Read this BFD's symbols if we haven't done so already, or get the cached - copy if it exists. */ - if (symtab_hdr->contents != NULL) - extsyms = (Elf32_External_Sym *) symtab_hdr->contents; else - { - /* Go get them off disk. */ - if (info->keep_memory) - extsyms = ((Elf32_External_Sym *) - bfd_alloc (abfd, symtab_hdr->sh_size)); - else - extsyms = ((Elf32_External_Sym *) - bfd_malloc (symtab_hdr->sh_size)); - if (extsyms == NULL) - goto error_return; - if (! info->keep_memory) - free_extsyms = extsyms; - if (bfd_seek (abfd, symtab_hdr->sh_offset, SEEK_SET) != 0 - || (bfd_bread (extsyms, symtab_hdr->sh_size, abfd) - != symtab_hdr->sh_size)) - goto error_return; - if (info->keep_memory) - symtab_hdr->contents = (unsigned char *) extsyms; - } - - shndx_hdr = &elf_tdata (abfd)->symtab_shndx_hdr; - if (shndx_hdr->sh_size != 0) - { - amt = symtab_hdr->sh_info * sizeof (Elf_External_Sym_Shndx); - shndx_buf = (Elf_External_Sym_Shndx *) bfd_malloc (amt); - if (shndx_buf == NULL) - goto error_return; - if (bfd_seek (abfd, shndx_hdr->sh_offset, SEEK_SET) != 0 - || bfd_bread ((PTR) shndx_buf, amt, abfd) != amt) - goto error_return; - } - - /* Get a copy of the native relocations. */ - internal_relocs = (_bfd_elf32_link_read_relocs - (abfd, datasec, (PTR) NULL, (Elf_Internal_Rela *) NULL, - info->keep_memory)); - if (internal_relocs == NULL) - goto error_return; - if (! info->keep_memory) - free_relocs = internal_relocs; - - relsec->contents = (bfd_byte *) bfd_alloc (abfd, datasec->reloc_count * 12); - if (relsec->contents == NULL) - goto error_return; - - p = relsec->contents; - - irelend = internal_relocs + datasec->reloc_count; - - for (irel = internal_relocs; irel < irelend; irel++, p += 12) - { - asection *targetsec; - - /* We are going to write a four byte longword into the runtime - reloc section. The longword will be the address in the data - section which must be relocated. It is followed by the name - of the target section NUL-padded or truncated to 8 - characters. */ - - /* We can only relocate absolute longword relocs at run time. */ - if ((ELF32_R_TYPE (irel->r_info) != (int) R_MIPS_32) && - (ELF32_R_TYPE (irel->r_info) != (int) R_MIPS_64)) - { - *errmsg = _("unsupported reloc type"); - bfd_set_error (bfd_error_bad_value); - goto error_return; - } - /* Get the target section referred to by the reloc. */ - if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info) - { - Elf32_External_Sym *esym; - Elf_External_Sym_Shndx *shndx; - Elf_Internal_Sym isym; - - /* A local symbol. */ - esym = extsyms + ELF32_R_SYM (irel->r_info); - shndx = shndx_buf + (shndx_buf ? ELF32_R_SYM (irel->r_info) : 0); - bfd_elf32_swap_symbol_in (abfd, esym, shndx, &isym); - - targetsec = bfd_section_from_elf_index (abfd, isym.st_shndx); - } - else - { - unsigned long indx; - struct elf_link_hash_entry *h; - - /* An external symbol. */ - indx = ELF32_R_SYM (irel->r_info); - h = elf_sym_hashes (abfd)[indx]; - targetsec = NULL; - /* - For some reason, in certain programs, the symbol will - not be in the hash table. It seems to happen when you - declare a static table of pointers to const external structures. - In this case, the relocs are relative to data, not - text, so just treating it like an undefined link - should be sufficient. */ - BFD_ASSERT(h != NULL); - if (h->root.type == bfd_link_hash_defined - || h->root.type == bfd_link_hash_defweak) - targetsec = h->root.u.def.section; - } - - - /* - Set the low bit of the relocation offset if it's a MIPS64 reloc. - Relocations will always be on (at least) 32-bit boundaries. */ - - bfd_put_32 (abfd, ((irel->r_offset + datasec->output_offset) + - ((ELF32_R_TYPE (irel->r_info) == (int) R_MIPS_64) ? 1 : 0)), - p); - memset (p + 4, 0, 8); - if (targetsec != NULL) - strncpy (p + 4, targetsec->output_section->name, 8); - } - - if (shndx_buf != NULL) - free (shndx_buf); - if (free_extsyms != NULL) - free (free_extsyms); - if (free_relocs != NULL) - free (free_relocs); - return true; - - error_return: - if (shndx_buf != NULL) - free (shndx_buf); - if (free_extsyms != NULL) - free (free_extsyms); - if (free_relocs != NULL) - free (free_relocs); - return false; + return ict_none; } /* ECOFF swapping routines. These are used when dealing with the @@ -2152,13 +1608,9 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { #define ELF_ARCH bfd_arch_mips #define ELF_MACHINE_CODE EM_MIPS -/* The SVR4 MIPS ABI says that this should be 0x10000, but Irix 5 uses - a value of 0x1000, and we are compatible. */ -#define ELF_MAXPAGESIZE 0x1000 - -#define elf_backend_collect true -#define elf_backend_type_change_ok true -#define elf_backend_can_gc_sections true +#define elf_backend_collect TRUE +#define elf_backend_type_change_ok TRUE +#define elf_backend_can_gc_sections TRUE #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 @@ -2175,12 +1627,16 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { #define elf_backend_create_dynamic_sections \ _bfd_mips_elf_create_dynamic_sections #define elf_backend_check_relocs _bfd_mips_elf_check_relocs +#define elf_backend_merge_symbol_attribute \ + _bfd_mips_elf_merge_symbol_attribute +#define elf_backend_get_target_dtag _bfd_mips_elf_get_target_dtag #define elf_backend_adjust_dynamic_symbol \ _bfd_mips_elf_adjust_dynamic_symbol #define elf_backend_always_size_sections \ _bfd_mips_elf_always_size_sections #define elf_backend_size_dynamic_sections \ _bfd_mips_elf_size_dynamic_sections +#define elf_backend_init_index_section _bfd_elf_init_1_index_section #define elf_backend_relocate_section _bfd_mips_elf_relocate_section #define elf_backend_finish_dynamic_symbol \ _bfd_mips_elf_finish_dynamic_symbol @@ -2195,30 +1651,33 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { #define elf_backend_gc_sweep_hook _bfd_mips_elf_gc_sweep_hook #define elf_backend_copy_indirect_symbol \ _bfd_mips_elf_copy_indirect_symbol -#define elf_backend_hide_symbol _bfd_mips_elf_hide_symbol #define elf_backend_grok_prstatus elf32_mips_grok_prstatus #define elf_backend_grok_psinfo elf32_mips_grok_psinfo #define elf_backend_ecoff_debug_swap &mips_elf32_ecoff_debug_swap #define elf_backend_got_header_size (4 * MIPS_RESERVED_GOTNO) -#define elf_backend_plt_header_size 0 #define elf_backend_may_use_rel_p 1 #define elf_backend_may_use_rela_p 0 #define elf_backend_default_use_rela_p 0 -#define elf_backend_sign_extend_vma true +#define elf_backend_sign_extend_vma TRUE +#define elf_backend_plt_readonly 1 +#define elf_backend_plt_sym_val _bfd_mips_elf_plt_sym_val -#define elf_backend_discard_info elf32_mips_discard_info +#define elf_backend_discard_info _bfd_mips_elf_discard_info #define elf_backend_ignore_discarded_relocs \ - elf32_mips_ignore_discarded_relocs -#define elf_backend_write_section elf32_mips_write_section + _bfd_mips_elf_ignore_discarded_relocs +#define elf_backend_write_section _bfd_mips_elf_write_section #define elf_backend_mips_irix_compat elf32_mips_irix_compat #define elf_backend_mips_rtype_to_howto mips_elf32_rtype_to_howto #define bfd_elf32_bfd_is_local_label_name \ mips_elf_is_local_label_name #define bfd_elf32_find_nearest_line _bfd_mips_elf_find_nearest_line +#define bfd_elf32_find_inliner_info _bfd_mips_elf_find_inliner_info +#define bfd_elf32_new_section_hook _bfd_mips_elf_new_section_hook #define bfd_elf32_set_section_contents _bfd_mips_elf_set_section_contents #define bfd_elf32_bfd_get_relocated_section_contents \ _bfd_elf_mips_get_relocated_section_contents +#define bfd_elf32_mkobject _bfd_mips_elf_mkobject #define bfd_elf32_bfd_link_hash_table_create \ _bfd_mips_elf_link_hash_table_create #define bfd_elf32_bfd_final_link _bfd_mips_elf_final_link @@ -2234,20 +1693,103 @@ static const struct ecoff_debug_swap mips_elf32_ecoff_debug_swap = { #define TARGET_BIG_SYM bfd_elf32_bigmips_vec #define TARGET_BIG_NAME "elf32-bigmips" +/* The SVR4 MIPS ABI says that this should be 0x10000, but Irix 5 uses + a value of 0x1000, and we are compatible. */ +#define ELF_MAXPAGESIZE 0x1000 +#define ELF_COMMONPAGESIZE 0x1000 + #include "elf32-target.h" /* Support for traditional mips targets. */ -#define INCLUDED_TARGET_FILE /* More a type of flag. */ - #undef TARGET_LITTLE_SYM #undef TARGET_LITTLE_NAME #undef TARGET_BIG_SYM #undef TARGET_BIG_NAME +#undef ELF_MAXPAGESIZE +#undef ELF_COMMONPAGESIZE + #define TARGET_LITTLE_SYM bfd_elf32_tradlittlemips_vec #define TARGET_LITTLE_NAME "elf32-tradlittlemips" #define TARGET_BIG_SYM bfd_elf32_tradbigmips_vec #define TARGET_BIG_NAME "elf32-tradbigmips" +/* The MIPS ABI says at Page 5-1: + Virtual addresses and file offsets for MIPS segments are congruent + modulo 64 KByte (0x10000) or larger powers of 2. Because 64 KBytes + is the maximum page size, the files are suitable for paging + regardless of physical page size. */ +#define ELF_MAXPAGESIZE 0x10000 +#define ELF_COMMONPAGESIZE 0x1000 +#define elf32_bed elf32_tradbed + /* Include the target file again for this target. */ #include "elf32-target.h" + +/* Implement elf_backend_final_write_processing for VxWorks. */ + +static void +mips_vxworks_final_write_processing (bfd *abfd, bfd_boolean linker) +{ + _bfd_mips_elf_final_write_processing (abfd, linker); + elf_vxworks_final_write_processing (abfd, linker); +} + +#undef TARGET_LITTLE_SYM +#undef TARGET_LITTLE_NAME +#undef TARGET_BIG_SYM +#undef TARGET_BIG_NAME + +#undef ELF_MAXPAGESIZE +#undef ELF_COMMONPAGESIZE + +#define TARGET_LITTLE_SYM bfd_elf32_littlemips_vxworks_vec +#define TARGET_LITTLE_NAME "elf32-littlemips-vxworks" +#define TARGET_BIG_SYM bfd_elf32_bigmips_vxworks_vec +#define TARGET_BIG_NAME "elf32-bigmips-vxworks" + +#undef elf32_bed +#define elf32_bed elf32_mips_vxworks_bed + +#define ELF_MAXPAGESIZE 0x1000 +#define ELF_COMMONPAGESIZE 0x1000 + +#undef elf_backend_want_got_plt +#define elf_backend_want_got_plt 1 +#undef elf_backend_want_plt_sym +#define elf_backend_want_plt_sym 1 +#undef elf_backend_may_use_rel_p +#define elf_backend_may_use_rel_p 0 +#undef elf_backend_may_use_rela_p +#define elf_backend_may_use_rela_p 1 +#undef elf_backend_default_use_rela_p +#define elf_backend_default_use_rela_p 1 +#undef elf_backend_got_header_size +#define elf_backend_got_header_size (4 * 3) +#undef elf_backend_plt_sym_val + +#undef elf_backend_finish_dynamic_symbol +#define elf_backend_finish_dynamic_symbol \ + _bfd_mips_vxworks_finish_dynamic_symbol +#undef bfd_elf32_bfd_link_hash_table_create +#define bfd_elf32_bfd_link_hash_table_create \ + _bfd_mips_vxworks_link_hash_table_create +#undef elf_backend_add_symbol_hook +#define elf_backend_add_symbol_hook \ + elf_vxworks_add_symbol_hook +#undef elf_backend_link_output_symbol_hook +#define elf_backend_link_output_symbol_hook \ + elf_vxworks_link_output_symbol_hook +#undef elf_backend_emit_relocs +#define elf_backend_emit_relocs \ + elf_vxworks_emit_relocs +#undef elf_backend_final_write_processing +#define elf_backend_final_write_processing \ + mips_vxworks_final_write_processing + +#undef elf_backend_additional_program_headers +#undef elf_backend_modify_segment_map +#undef elf_backend_symbol_processing +/* NOTE: elf_backend_rela_normal is not defined for MIPS. */ + +#include "elf32-target.h"