/* 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 */