1 /* $OpenBSD: exec.h,v 1.15 2022/02/21 12:22:21 jsg Exp $ */ 2 3 /* 4 * Copyright (c) 1994, The University of Utah and 5 * the Computer Systems Laboratory at the University of Utah (CSL). 6 * All rights reserved. 7 * 8 * Permission to use, copy, modify and distribute this software is hereby 9 * granted provided that (1) source code retains these copyright, permission, 10 * and disclaimer notices, and (2) redistributions including binaries 11 * reproduce the notices in supporting documentation, and (3) all advertising 12 * materials mentioning features or use of this software display the following 13 * acknowledgement: ``This product includes software developed by the 14 * Computer Systems Laboratory at the University of Utah.'' 15 * 16 * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS 17 * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF 18 * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 19 * 20 * CSL requests users of this software to return to csl-dist@cs.utah.edu any 21 * improvements that they make and grant CSL redistribution rights. 22 * 23 * Utah $Hdr: exec.h 1.3 94/12/16$ 24 */ 25 26 #ifndef _MACHINE_EXEC_H_ 27 #define _MACHINE_EXEC_H_ 28 29 /* Size of a page in an object file. */ 30 #define __LDPGSZ 4096 31 32 #define ARCH_ELFSIZE 32 33 34 #define ELF_TARG_CLASS ELFCLASS32 35 #define ELF_TARG_DATA ELFDATA2MSB 36 #define ELF_TARG_MACH EM_PARISC 37 38 /* 39 * the following MD ELF values definitions are from the: 40 * "Processor-Specific ELF Supplement for PA-RISC. 41 * Including HP and HP-UX Extensions. Version 1.43. October 6, 1997" 42 * http://devrsrc1.external.hp.com/STK/partner/elf-pa.pdf 43 * 44 */ 45 46 /* parisc-specific elf flags */ 47 #define EF_PARISC_TRAPNIL 0x00010000 /* trap on NULL derefs */ 48 #define EF_PARISC_EXT 0x00020000 /* program uses arch exts */ 49 #define EF_PARISC_LSB 0x00040000 /* program expects LSB mode */ 50 #define EF_PARISC_WIDE 0x00080000 /* program expects wide mode */ 51 #define EF_PARISC_NO_KABP 0x00100000 /* don't allow kernel assisted 52 branch prediction */ 53 #define EF_PARISC_LAZYSWAP 0x00200000 /* allow lazy swap allocation 54 for dynamically allocated 55 program segments */ 56 #define EF_PARISC_ARCH 0x0000ffff /* architecture version */ 57 #define EFA_PARISC_1_0 0x020B 58 #define EFA_PARISC_1_1 0x0210 59 #define EFA_PARISC_2_0 0x0214 60 61 /* legend: 0 - pa7000, 1 - pa7100, 2 - pa7200, 3 - pa7100LC, 4 - pa8000 */ 62 #define PARISC_AE_QWSI 0x00000001 /* 0 : enable quadword stores */ 63 #define PARISC_AE_FPLSU 0x00000002 /* 1: fp load/store to I/O space */ 64 #define PARISC_AE_RSQRT 0x00000004 /* 0 : reciprocal sqrt */ 65 #define PARISC_AE_FDCG 0x00000008 /* 0,1: fdc includes graph flushes */ 66 #define PARISC_AE_HPAR 0x00000010 /* 3,4: half-word add/sub/av */ 67 #define PARISC_AE_BSW 0x00000020 /* 3,4: half-word shift-add */ 68 #define PARISC_AE_HPSA 0x00000040 /* 3 : byte-swapping stores */ 69 #define PARISC_AE_DPR0 0x00000080 /* 2,4: data prefetch via ld to r0 */ 70 71 #define SHN_PARISC_ANSI_COMMON 0xff00 72 #define SHN_PARISC_HUGE_COMMON 0xff01 73 74 /* sh_type */ 75 #define SHT_PARISC_EXT 0x70000000 /* contains product-specific 76 extension bits */ 77 #define SHT_PARISC_UNWIND 0x70000001 /* contains unwind table entries 78 sh_info contains index of 79 the code section to which 80 unwind entries apply */ 81 #define SHT_PARISC_DOC 0x70000002 /* contains debug info for -O */ 82 #define SHT_PARISC_ANNOT 0x70000003 /* contains code annotations */ 83 84 /* sh_flags */ 85 #define SHF_PARISC_SBP 0x80000000 /* contains code compiled for 86 static branch prediction */ 87 #define SHF_PARISC_HUGE 0x40000000 /* should be allocated far from gp */ 88 #define SHF_PARISC_SHORT 0x20000000 /* should be allocated near from gp */ 89 90 #define ELF_PARISC_ARCHEXT ".PARISC.archext" 91 #define ELF_PARISC_MILLI ".PARISC.milli" 92 #define ELF_PARISC_UNWIND ".PARISC.unwind" 93 #define ELF_PARISC_UNWIND_INFO ".PARISC.unwind_info" 94 #define ELF_PARISC_SDATA ".sdata" 95 #define ELF_PARISC_NOBITS ".sbss" 96 97 #define STT_PARISC_MILLI 13 /* entry point of a millicode routine */ 98 99 #define PT_PARISC_ARCHEXT 0x70000000 /* segment contains 100 .PARISC.archext section */ 101 #define PT_PARISC_UNWIND 0x70000001 /* segment contains 102 .unwind section */ 103 104 #define PF_PARISC_SBP 0x08000000 /* segment contains code 105 compiled for static branch prediction */ 106 107 #endif /* _MACHINE_EXEC_H_ */ 108