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Diffstat (limited to 'contrib/gdb/bfd/elf32-hppa.h')
| -rw-r--r-- | contrib/gdb/bfd/elf32-hppa.h | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/contrib/gdb/bfd/elf32-hppa.h b/contrib/gdb/bfd/elf32-hppa.h new file mode 100644 index 0000000..63ee522 --- /dev/null +++ b/contrib/gdb/bfd/elf32-hppa.h @@ -0,0 +1,152 @@ +/* ELF32/HPPA support + + This file contains ELF32/HPPA relocation support as specified + in the Stratus FTX/Golf Object File Format (SED-1762) dated + February 1994. + + Copyright (C) 1990, 91, 92, 93, 94 Free Software Foundation, Inc. + + Written by: + + Center for Software Science + Department of Computer Science + University of Utah + + 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 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#ifndef _ELF32_HPPA_H +#define _ELF32_HPPA_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_UNIMPLEMENTED, + } +elf32_hppa_reloc_type; + +#define ELF_HOWTO_TABLE_SIZE R_PARISC_UNIMPLEMENTED + 1 +#define N_PARISC_RELOCS R_PARISC_UNIMPLEMENTED + 1 + +/* 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. + + The idea is both SOM and ELF define these basic 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 +#define R_HPPA_ABS_CALL R_PARISC_DIR17F +#define R_HPPA_COMPLEX R_PARISC_UNIMPLEMENTED + +elf32_hppa_reloc_type **hppa_elf_gen_reloc_type + PARAMS ((bfd *, elf32_hppa_reloc_type, int, int, int)); + +boolean elf32_hppa_size_stubs + PARAMS ((bfd *, bfd *, struct bfd_link_info *)); + +boolean elf32_hppa_build_stubs + PARAMS ((bfd *, struct bfd_link_info *)); + +#endif /* _ELF32_HPPA_H */ |
