diff options
Diffstat (limited to 'usr/src/uts/common/sys/elf_SPARC.h')
| -rw-r--r-- | usr/src/uts/common/sys/elf_SPARC.h | 80 |
1 files changed, 77 insertions, 3 deletions
diff --git a/usr/src/uts/common/sys/elf_SPARC.h b/usr/src/uts/common/sys/elf_SPARC.h index 63554a2aa5..976242e961 100644 --- a/usr/src/uts/common/sys/elf_SPARC.h +++ b/usr/src/uts/common/sys/elf_SPARC.h @@ -23,15 +23,13 @@ * Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T * All Rights Reserved * - * Copyright 2006 Sun Microsystems, Inc. All rights reserved. + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _SYS_ELF_SPARC_H #define _SYS_ELF_SPARC_H -#pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.2 */ - #ifdef __cplusplus extern "C" { #endif @@ -176,6 +174,82 @@ extern "C" { #define STO_SPARC_REGISTER_G6 0x6 /* register %g6 */ #define STO_SPARC_REGISTER_G7 0x7 /* register %g7 */ +/* + * There are consumers of this file that want to include elf defines for + * all architectures. This is a problem for the defines below, because + * while they are architecture specific they have common names. Hence to + * prevent attempts to redefine these variables we'll check if any of + * the other elf architecture header files have been included. If + * they have then we'll just stick with the existing definitions. + */ +#if !defined(_SYS_ELF_MACH_COMMON) +#define _SYS_ELF_MACH_COMMON + +/* + * Plt and Got information; the first few .got and .plt entries are reserved + * PLT[0] jump to dynamic linker + * GOT[0] address of _DYNAMIC + */ +#define M_PLT_INSSIZE 4 /* single plt instruction size */ +#define M_PLT_XNumber 4 /* reserved no. of plt entries */ +#define M_GOT_XDYNAMIC 0 /* got index for _DYNAMIC */ +#define M_GOT_XNumber 1 /* reserved no. of got entries */ + +/* + * ELF32 bit PLT constants + */ +#define M32_WORD_ALIGN 4 +#define M32_PLT_ENTSIZE 12 /* plt entry size in bytes */ +#define M32_PLT_ALIGN M_WORD_ALIGN /* alignment of .plt section */ +#define M32_GOT_ENTSIZE 4 /* got entry size in bytes */ +#define M32_GOT_MAXSMALL 2048 /* maximum no. of small gots */ +#define M32_PLT_RESERVSZ (M_PLT_XNumber * \ + M32_PLT_ENTSIZE) /* first 4 plt's reserved */ + +/* + * ELF64 bit PLT constants + */ +#define M64_WORD_ALIGN 8 +#define M64_PLT_ENTSIZE 32 /* plt entry size in bytes */ +#define M64_PLT_ALIGN 256 /* alignment of .plt section */ +#define M64_GOT_ENTSIZE 8 /* got entry size in bytes */ +#define M64_GOT_MAXSMALL 1024 /* maximum no. of small gots */ +#define M64_PLT_RESERVSZ (M_PLT_XNumber * \ + M64_PLT_ENTSIZE) /* first 4 plt's reserved */ + +#define M64_PLT_NEARPLTS 0x8000 /* # of NEAR PLTS we can have */ +#define M64_PLT_FENTSIZE 24 /* size of far plt is 6 instructions */ + /* x 4bytes */ +#define M64_PLT_PSIZE 8 /* size of PLTP pointer */ +#define M64_PLT_FBLKCNTS 160 /* # of plts in far PLT blocks */ +#define M64_PLT_FBLOCKSZ (M64_PLT_FBLKCNTS *\ + M64_PLT_ENTSIZE) /* size of far PLT block */ + + +/* + * Make common alias for the 32/64 bit specific defines based on _ELF64 + */ +#ifdef _ELF64 +/* architecture common defines */ +#define M_WORD_ALIGN M64_WORD_ALIGN +#define M_PLT_ENTSIZE M64_PLT_ENTSIZE +#define M_PLT_ALIGN M64_PLT_ALIGN +#define M_PLT_RESERVSZ M64_PLT_RESERVSZ +#define M_GOT_ENTSIZE M64_GOT_ENTSIZE +/* sparc specific defines */ +#define M_GOT_MAXSMALL M64_GOT_MAXSMALL +#else /* !_ELF64 */ +/* architecture common defines */ +#define M_WORD_ALIGN M32_WORD_ALIGN +#define M_PLT_ENTSIZE M32_PLT_ENTSIZE +#define M_PLT_ALIGN M32_PLT_ALIGN +#define M_PLT_RESERVSZ M32_PLT_RESERVSZ +#define M_GOT_ENTSIZE M32_GOT_ENTSIZE +/* sparc specific defines */ +#define M_GOT_MAXSMALL M32_GOT_MAXSMALL +#endif /* !_ELF64 */ + +#endif /* !_SYS_ELF_MACH_COMMON */ #ifdef __cplusplus } |