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Diffstat (limited to 'include/elf/hppa.h')
| -rw-r--r-- | include/elf/hppa.h | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/include/elf/hppa.h b/include/elf/hppa.h new file mode 100644 index 000000000..2952e2398 --- /dev/null +++ b/include/elf/hppa.h @@ -0,0 +1,187 @@ +/* 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 */ |