linux-2.6.15.6

				/*				 * Support for 32-bit Linux/Parisc ELF binaries on 64 bit kernels				 *				 * Copyright (C) 2000 John Marvin				 * Copyright (C) 2000 Hewlett Packard Co.				 *				 * Heavily inspired from various other efforts to do the same thing				 * (ia64,sparc64/mips64)				 */								/* Make sure include/asm-parisc/elf.h does the right thing */								#define ELF_CLASS	ELFCLASS32								#define ELF_CORE_COPY_REGS(dst, pt)	\					memset(dst, 0, sizeof(dst));	/* don't leak any "random" bits */ \					{	int i; \						for (i = 0; i < 32; i++) dst[i] = (elf_greg_t) pt->gr[i]; \						for (i = 0; i < 8; i++) dst[32 + i] = (elf_greg_t) pt->sr[i]; \					} \					dst[40] = (elf_greg_t) pt->iaoq[0]; dst[41] = (elf_greg_t) pt->iaoq[1]; \					dst[42] = (elf_greg_t) pt->iasq[0]; dst[43] = (elf_greg_t) pt->iasq[1]; \					dst[44] = (elf_greg_t) pt->sar;   dst[45] = (elf_greg_t) pt->iir; \					dst[46] = (elf_greg_t) pt->isr;   dst[47] = (elf_greg_t) pt->ior; \					dst[48] = (elf_greg_t) mfctl(22); dst[49] = (elf_greg_t) mfctl(0); \					dst[50] = (elf_greg_t) mfctl(24); dst[51] = (elf_greg_t) mfctl(25); \					dst[52] = (elf_greg_t) mfctl(26); dst[53] = (elf_greg_t) mfctl(27); \					dst[54] = (elf_greg_t) mfctl(28); dst[55] = (elf_greg_t) mfctl(29); \					dst[56] = (elf_greg_t) mfctl(30); dst[57] = (elf_greg_t) mfctl(31); \					dst[58] = (elf_greg_t) mfctl( 8); dst[59] = (elf_greg_t) mfctl( 9); \					dst[60] = (elf_greg_t) mfctl(12); dst[61] = (elf_greg_t) mfctl(13); \					dst[62] = (elf_greg_t) mfctl(10); dst[63] = (elf_greg_t) mfctl(15);												typedef unsigned int elf_greg_t;								#include 				#include 				#include 				#include 				#include 		/* struct compat_timeval */								#define elf_prstatus elf_prstatus32				struct elf_prstatus32				{					struct elf_siginfo pr_info;	/* Info associated with signal */					short	pr_cursig;		/* Current signal */					unsigned int pr_sigpend;	/* Set of pending signals */					unsigned int pr_sighold;	/* Set of held signals */					pid_t	pr_pid;					pid_t	pr_ppid;					pid_t	pr_pgrp;					pid_t	pr_sid;					struct compat_timeval pr_utime;		/* User time */					struct compat_timeval pr_stime;		/* System time */					struct compat_timeval pr_cutime;	/* Cumulative user time */					struct compat_timeval pr_cstime;	/* Cumulative system time */					elf_gregset_t pr_reg;	/* GP registers */					int pr_fpvalid;		/* True if math co-processor being used.  */				};								#define elf_prpsinfo elf_prpsinfo32				struct elf_prpsinfo32				{					char	pr_state;	/* numeric process state */					char	pr_sname;	/* char for pr_state */					char	pr_zomb;	/* zombie */					char	pr_nice;	/* nice val */					unsigned int pr_flag;	/* flags */					u16	pr_uid;					u16	pr_gid;					pid_t	pr_pid, pr_ppid, pr_pgrp, pr_sid;					/* Lots missing */					char	pr_fname[16];	/* filename of executable */					char	pr_psargs[ELF_PRARGSZ];	/* initial part of arg list */				};								#define elf_addr_t	unsigned int				#define init_elf_binfmt init_elf32_binfmt								#define ELF_PLATFORM  ("PARISC32\0")								/*				 * We should probably use this macro to set a flag somewhere to indicate				 * this is a 32 on 64 process. We could use PER_LINUX_32BIT, or we				 * could set a processor dependent flag in the thread_struct.				 */								#define SET_PERSONALITY(ex, ibcs2) \					current->personality = PER_LINUX32; \					current->thread.map_base = DEFAULT_MAP_BASE32; \					current->thread.task_size = DEFAULT_TASK_SIZE32 \								#undef cputime_to_timeval				#define cputime_to_timeval cputime_to_compat_timeval				static __inline__ void				cputime_to_compat_timeval(const cputime_t cputime, struct compat_timeval *value)				{					unsigned long jiffies = cputime_to_jiffies(cputime);					value->tv_usec = (jiffies % HZ) * (1000000L / HZ);					value->tv_sec = jiffies / HZ;				}								#include "../../../fs/binfmt_elf.c"								/* Set up a separate execution domain for ELF32 binaries running				 * on an ELF64 kernel */								static struct exec_domain parisc32_exec_domain = { 					.name = "Linux/ELF32",					.pers_low = PER_LINUX32,					.pers_high = PER_LINUX32,				};      								static int __init parisc32_exec_init(void)				{					/* steal the identity signal mappings from the default domain */					parisc32_exec_domain.signal_map = default_exec_domain.signal_map;					parisc32_exec_domain.signal_invmap = default_exec_domain.signal_invmap;									register_exec_domain(&parisc32_exec_domain);									return 0;				}								__initcall(parisc32_exec_init);