X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=bfd%2Felf32-hppa.h;h=601002826f693542848efe6c6a3847649a10a044;hb=d57a3c85f6eee87b04852e98cce75af080969951;hp=188f6c6daea486767b6b1a605f3c066d90ea9817;hpb=fa803dc60f0bf01297674c41d001798e18ade4dc;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/elf32-hppa.h b/bfd/elf32-hppa.h index 188f6c6dae..601002826f 100644 --- a/bfd/elf32-hppa.h +++ b/bfd/elf32-hppa.h @@ -2,9 +2,10 @@ This file contains ELF32/HPPA relocation support as specified in the Stratus FTX/Golf Object File Format (SED-1762) dated - November 19, 1992. + February 1994. - Copyright (C) 1990, 91, 92, 93, 94 Free Software Foundation, Inc. + Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, + 2002, 2003, 2007 Free Software Foundation, Inc. Written by: @@ -16,7 +17,7 @@ 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 + 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, @@ -26,166 +27,52 @@ 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ #ifndef _ELF32_HPPA_H #define _ELF32_HPPA_H -#include "libelf.h" +#include "elf-bfd.h" #include "libhppa.h" #include "elf/hppa.h" -/* ELF/HPPA relocation types */ - -typedef enum - { - /* Address relocation types - These relocation types do simple base + offset relocations. */ - - R_PARISC_NONE = 0x00, - R_PARISC_DIR32 = 0x01, - R_PARISC_DIR21L = 0x02, - R_PARISC_DIR17R = 0x03, - R_PARISC_DIR17F = 0x04, - R_PARISC_DIR14R = 0x06, - - /* PC-relative relocation types - Typically used for calls. - Note PCREL17C and PCREL17F differ only in overflow handling. - PCREL17C never reports a relocation error. - - When supporting argument relocations, function calls must be - accompanied by parameter relocation information. This information is - carried in the ten high-order bits of the addend field. The remaining - 22 bits of of the addend field are sign-extended to form the Addend. - - Note the code to build argument relocations depends on the - addend being zero. A consequence of this limitation is GAS - can not perform relocation reductions for function symbols. */ - R_PARISC_PCREL21L = 0x0a, - R_PARISC_PCREL17R = 0x0b, - R_PARISC_PCREL17F = 0x0c, - R_PARISC_PCREL17C = 0x0d, - R_PARISC_PCREL14R = 0x0e, - R_PARISC_PCREL14F = 0x0f, - - /* DP-relative relocation types. */ - R_PARISC_DPREL21L = 0x12, - R_PARISC_DPREL14R = 0x16, - R_PARISC_DPREL14F = 0x17, - - /* Data linkage table (DLT) relocation types - - SOM DLT_REL fixup requests are used to for static data references - from position-independent code within shared libraries. They are - similar to the GOT relocation types in some SVR4 implementations. */ - - R_PARISC_DLTREL21L = 0x1a, - R_PARISC_DLTREL14R = 0x1e, - R_PARISC_DLTREL14F = 0x1f, - - /* DLT indirect relocation types */ - R_PARISC_DLTIND21L = 0x22, - R_PARISC_DLTIND14R = 0x26, - R_PARISC_DLTIND14F = 0x27, - - /* Base relative relocation types. Ugh. These imply lots of state */ - R_PARISC_SETBASE = 0x28, - R_PARISC_BASEREL32 = 0x29, - R_PARISC_BASEREL21L = 0x2a, - R_PARISC_BASEREL17R = 0x2b, - R_PARISC_BASEREL17F = 0x2c, - R_PARISC_BASEREL14R = 0x2e, - R_PARISC_BASEREL14F = 0x2f, - - /* Segment relative relocation types. */ - R_PARISC_TEXTREL32 = 0x31, - R_PARISC_DATAREL32 = 0x39, - - /* Plabel relocation types. */ - R_PARISC_PLABEL32 = 0x41, - R_PARISC_PLABEL21L = 0x42, - R_PARISC_PLABEL14R = 0x46, - - /* PLT relocations. */ - R_PARISC_PLTIND21L = 0x82, - R_PARISC_PLTIND14R = 0x86, - R_PARISC_PLTIND14F = 0x87, - - /* Misc relocation types. */ - R_PARISC_COPY = 0x88, - R_PARISC_GLOB_DAT = 0x89, - R_PARISC_JMP_SLOT = 0x8a, - R_PARISC_RELATIVE = 0x8b, - R_PARISC_STUB_CALL_17 = 0x8c, - R_PARISC_UNIMPLEMENTED, - } -elf32_hppa_reloc_type; - -#define ELF_HOWTO_TABLE_SIZE R_PARISC_UNIMPLEMENTED + 1 -#define N_PARISC_RELOCS R_PARISC_UNIMPLEMENTED + 1 +int elf32_hppa_setup_section_lists + (bfd *, struct bfd_link_info *); + +void elf32_hppa_next_input_section + (struct bfd_link_info *, asection *); + +bfd_boolean elf32_hppa_size_stubs + (bfd *, bfd *, struct bfd_link_info *, bfd_boolean, bfd_signed_vma, + asection * (*) (const char *, asection *), void (*) (void)); + +bfd_boolean elf32_hppa_set_gp + (bfd *, struct bfd_link_info *); + +bfd_boolean elf32_hppa_build_stubs + (struct bfd_link_info *); + +elf_hppa_reloc_type elf32_hppa_reloc_final_type + (bfd *, elf_hppa_reloc_type, int, unsigned int); + +extern elf_hppa_reloc_type ** _bfd_elf32_hppa_gen_reloc_type + (bfd *, elf_hppa_reloc_type, int, unsigned int, int, asymbol *); /* Define groups of basic relocations. FIXME: These should be the only basic relocations created by GAS. The rest - should be internal to the BFD backend. + should be internal to the BFD backend. The idea is both SOM and ELF define these basic relocation - types so they map into a SOM or ELF specific relocation + types so they map into a SOM or ELF specific relocation as appropriate. This allows GAS to share much more code between the two target object formats. */ #define R_HPPA_NONE R_PARISC_NONE -#define R_HPPA R_PARISC_DIR32 -#define R_HPPA_GOTOFF R_PARISC_DPREL21L -#define R_HPPA_PCREL_CALL R_PARISC_PCREL21L - -/* HPPA symbol table extension entry types */ -enum elf32_hppa_symextn_types -{ - PARISC_SXT_NULL, - PARISC_SXT_SYMNDX, - PARISC_SXT_ARG_RELOC, -}; - -/* These macros compose and decompose the value of a symextn entry: - - entry_type = ELF32_PARISC_SX_TYPE(word); - entry_value = ELF32_PARISC_SX_VAL(word); - word = ELF32_PARISC_SX_WORD(type,val); */ - -#define ELF32_PARISC_SX_TYPE(p) ((p) >> 24) -#define ELF32_PARISC_SX_VAL(p) ((p) & 0xFFFFFF) -#define ELF32_PARISC_SX_WORD(type,val) (((type) << 24) + (val & 0xFFFFFF)) - -/* The following was added facilitate implementation of the .hppa_symextn - section. This section is built after the symbol table is built in the - elf_write_object_contents routine (called from bfd_close). It is built - so late because it requires information that is not known until - the symbol and string table sections have been allocated, and - the symbol table has been built. */ - -/* Number of "hand-made" target specific sections. */ -#define ELF_TC_FAKE_SECTIONS 1 -#define SYMEXTN_SECTION_NAME ".PARISC.symext" - -/* FIXME. Are these external? (For example used by GAS?). If so the - names need to change to avoid namespace pollution, if not they should - be moved into elf32-hppa.c. */ -typedef unsigned long symext_entryS; -struct symext_chain - { - symext_entryS entry; - struct symext_chain *next; - }; - -typedef struct symext_chain symext_chainS; - -elf32_hppa_reloc_type **hppa_elf_gen_reloc_type - PARAMS ((bfd *, elf32_hppa_reloc_type, int, int)); - -asymbol * hppa_look_for_stubs_in_section - PARAMS ((bfd *, bfd *, bfd *, asection *, - int *, struct bfd_link_info *)); - -void elf_hppa_final_processing PARAMS ((void)); +#define R_HPPA R_PARISC_DIR32 +#define R_HPPA_GOTOFF R_PARISC_DPREL21L +#define R_HPPA_PCREL_CALL R_PARISC_PCREL21L +#define R_HPPA_ABS_CALL R_PARISC_DIR17F +#define R_HPPA_COMPLEX R_PARISC_UNIMPLEMENTED + #endif /* _ELF32_HPPA_H */