| /* HPPA ELF support for BFD. |
| Copyright (C) 1993, 1994 Free Software Foundation, Inc. |
| |
| 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. */ |
| |
| /* This file holds definitions specific to the HPPA ELF ABI. Note |
| that most of this is not actually implemented by BFD. */ |
| |
| #ifndef _ELF_HPPA_H |
| #define _ELF_HPPA_H |
| |
| /* Processor specific flags for the ELF header e_flags field. */ |
| |
| /* Target processor IDs to be placed in the low 16 bits of the flags |
| field. Note these names are shared with SOM, and therefore do not |
| follow ELF naming conventions. */ |
| |
| /* PA 1.0 big endian. */ |
| #ifndef CPU_PA_RISC1_0 |
| #define CPU_PA_RISC1_0 0x0000020b |
| #endif |
| |
| /* PA 1.1 big endian. */ |
| #ifndef CPU_PA_RISC1_1 |
| #define CPU_PA_RISC1_1 0x00000210 |
| #endif |
| |
| /* PA 1.0 little endian (unsupported) is 0x0000028b. */ |
| /* PA 1.1 little endian (unsupported) is 0x00000290. */ |
| |
| /* Trap null address dereferences. */ |
| #define ELF_PARISC_TRAPNIL 0x00010000 |
| |
| /* .PARISC.archext section is present. */ |
| #define EF_PARISC_EXT 0x00020000 |
| |
| /* Processor specific section types. */ |
| |
| /* Holds the global offset table, a table of pointers to external |
| data. */ |
| #define SHT_PARISC_GOT SHT_LOPROC+0 |
| |
| /* Nonloadable section containing information in architecture |
| extensions used by the code. */ |
| #define SHT_PARISC_ARCH SHT_LOPROC+1 |
| |
| /* Section in which $global$ is defined. */ |
| #define SHT_PARISC_GLOBAL SHT_LOPROC+2 |
| |
| /* Section holding millicode routines (mul, div, rem, dyncall, etc. */ |
| #define SHT_PARISC_MILLI SHT_LOPROC+3 |
| |
| /* Section holding unwind information for use by debuggers. */ |
| #define SHT_PARISC_UNWIND SHT_LOPROC+4 |
| |
| /* Section holding the procedure linkage table. */ |
| #define SHT_PARISC_PLT SHT_LOPROC+5 |
| |
| /* Short initialized and uninitialized data. */ |
| #define SHT_PARISC_SDATA SHT_LOPROC+6 |
| #define SHT_PARISC_SBSS SHT_LOPROC+7 |
| |
| /* Optional section holding argument location/relocation info. */ |
| #define SHT_PARISC_SYMEXTN SHT_LOPROC+8 |
| |
| /* Option section for linker stubs. */ |
| #define SHT_PARISC_STUBS SHT_LOPROC+9 |
| |
| /* Processor specific section flags. */ |
| |
| /* This section is near the global data pointer and thus allows short |
| addressing modes to be used. */ |
| #define SHF_PARISC_SHORT 0x20000000 |
| |
| /* Processor specific symbol types. */ |
| |
| /* Millicode function entry point. */ |
| #define STT_PARISC_MILLICODE STT_LOPROC+0 |
| |
| |
| /* ELF/HPPA relocation types */ |
| |
| #include "reloc-macros.h" |
| |
| START_RELOC_NUMBERS (elf32_hppa_reloc_type) |
| RELOC_NUMBER (R_PARISC_NONE, 0) /* No reloc */ |
| |
| /* These relocation types do simple base + offset relocations. */ |
| |
| RELOC_NUMBER (R_PARISC_DIR32, 0x01) |
| RELOC_NUMBER (R_PARISC_DIR21L, 0x02) |
| RELOC_NUMBER (R_PARISC_DIR17R, 0x03) |
| RELOC_NUMBER (R_PARISC_DIR17F, 0x04) |
| RELOC_NUMBER (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. */ |
| |
| RELOC_NUMBER (R_PARISC_PCREL21L, 0x0a) |
| RELOC_NUMBER (R_PARISC_PCREL17R, 0x0b) |
| RELOC_NUMBER (R_PARISC_PCREL17F, 0x0c) |
| RELOC_NUMBER (R_PARISC_PCREL17C, 0x0d) |
| RELOC_NUMBER (R_PARISC_PCREL14R, 0x0e) |
| RELOC_NUMBER (R_PARISC_PCREL14F, 0x0f) |
| |
| /* DP-relative relocation types. */ |
| RELOC_NUMBER (R_PARISC_DPREL21L, 0x12) |
| RELOC_NUMBER (R_PARISC_DPREL14R, 0x16) |
| RELOC_NUMBER (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. */ |
| |
| RELOC_NUMBER (R_PARISC_DLTREL21L, 0x1a) |
| RELOC_NUMBER (R_PARISC_DLTREL14R, 0x1e) |
| RELOC_NUMBER (R_PARISC_DLTREL14F, 0x1f) |
| |
| /* DLT indirect relocation types */ |
| RELOC_NUMBER (R_PARISC_DLTIND21L, 0x22) |
| RELOC_NUMBER (R_PARISC_DLTIND14R, 0x26) |
| RELOC_NUMBER (R_PARISC_DLTIND14F, 0x27) |
| |
| /* Base relative relocation types. Ugh. These imply lots of state */ |
| RELOC_NUMBER (R_PARISC_SETBASE, 0x28) |
| RELOC_NUMBER (R_PARISC_BASEREL32, 0x29) |
| RELOC_NUMBER (R_PARISC_BASEREL21L, 0x2a) |
| RELOC_NUMBER (R_PARISC_BASEREL17R, 0x2b) |
| RELOC_NUMBER (R_PARISC_BASEREL17F, 0x2c) |
| RELOC_NUMBER (R_PARISC_BASEREL14R, 0x2e) |
| RELOC_NUMBER (R_PARISC_BASEREL14F, 0x2f) |
| |
| /* Segment relative relocation types. */ |
| RELOC_NUMBER (R_PARISC_TEXTREL32, 0x31) |
| RELOC_NUMBER (R_PARISC_DATAREL32, 0x39) |
| |
| /* Plabel relocation types. */ |
| RELOC_NUMBER (R_PARISC_PLABEL32, 0x41) |
| RELOC_NUMBER (R_PARISC_PLABEL21L, 0x42) |
| RELOC_NUMBER (R_PARISC_PLABEL14R, 0x46) |
| |
| /* PLT relocations. */ |
| RELOC_NUMBER (R_PARISC_PLTIND21L, 0x82) |
| RELOC_NUMBER (R_PARISC_PLTIND14R, 0x86) |
| RELOC_NUMBER (R_PARISC_PLTIND14F, 0x87) |
| |
| /* Misc relocation types. */ |
| RELOC_NUMBER (R_PARISC_COPY, 0x88) |
| RELOC_NUMBER (R_PARISC_GLOB_DAT, 0x89) |
| RELOC_NUMBER (R_PARISC_JMP_SLOT, 0x8a) |
| RELOC_NUMBER (R_PARISC_RELATIVE, 0x8b) |
| |
| EMPTY_RELOC (R_PARISC_UNIMPLEMENTED) |
| END_RELOC_NUMBERS |
| |
| #ifndef RELOC_MACROS_GEN_FUNC |
| typedef enum elf32_hppa_reloc_type elf32_hppa_reloc_type; |
| #endif |
| |
| #endif /* _ELF_HPPA_H */ |