Linus TorvaldsLinux-2.6.12-rc21da177e21 years agoHistory
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#ifndef __ALPHA_A_OUT_H__#define __ALPHA_A_OUT_H__ #include <linux/types.h> /* * OSF/1 ECOFF header structs.  ECOFF files consist of: * 	- a file header (struct filehdr), *	- an a.out header (struct aouthdr), *	- one or more section headers (struct scnhdr).  *	  The filhdr's "f_nscns" field contains the *	  number of section headers. */ struct filehdr{	/* OSF/1 "file" header */	__u16 f_magic, f_nscns;	__u32 f_timdat;	__u64 f_symptr;	__u32 f_nsyms;	__u16 f_opthdr, f_flags;}; struct aouthdr{	__u64 info;		/* after that it looks quite normal.. */	__u64 tsize;	__u64 dsize;	__u64 bsize;	__u64 entry;	__u64 text_start;	/* with a few additions that actually make sense */	__u64 data_start;	__u64 bss_start;	__u32 gprmask, fprmask;	/* bitmask of general & floating point regs used in binary */	__u64 gpvalue;}; struct scnhdr{	char	s_name[8];	__u64	s_paddr;	__u64	s_vaddr;	__u64	s_size;	__u64	s_scnptr;	__u64	s_relptr;	__u64	s_lnnoptr;	__u16	s_nreloc;	__u16	s_nlnno;	__u32	s_flags;}; struct exec{	/* OSF/1 "file" header */	struct filehdr		fh;	struct aouthdr		ah;}; /* * Define's so that the kernel exec code can access the a.out header * fields... */#define	a_info		ah.info#define	a_text		ah.tsize#define a_data		ah.dsize#define a_bss		ah.bsize#define a_entry		ah.entry#define a_textstart	ah.text_start#define	a_datastart	ah.data_start#define	a_bssstart	ah.bss_start#define	a_gprmask	ah.gprmask#define a_fprmask	ah.fprmask#define a_gpvalue	ah.gpvalue #define N_TXTADDR(x) ((x).a_textstart)#define N_DATADDR(x) ((x).a_datastart)#define N_BSSADDR(x) ((x).a_bssstart)#define N_DRSIZE(x) 0#define N_TRSIZE(x) 0#define N_SYMSIZE(x) 0 #define AOUTHSZ		sizeof(struct aouthdr)#define SCNHSZ		sizeof(struct scnhdr)#define SCNROUND	16 #define N_TXTOFF(x) \  ((long) N_MAGIC(x) == ZMAGIC ? 0 : \   (sizeof(struct exec) + (x).fh.f_nscns*SCNHSZ + SCNROUND - 1) & ~(SCNROUND - 1)) #ifdef __KERNEL__ /* Assume that start addresses below 4G belong to a TASO application.   Unfortunately, there is no proper bit in the exec header to check.   Worse, we have to notice the start address before swapping to use   /sbin/loader, which of course is _not_ a TASO application.  */#define SET_AOUT_PERSONALITY(BFPM, EX) \	set_personality (((BFPM->sh_bang || EX.ah.entry < 0x100000000L \			   ? ADDR_LIMIT_32BIT : 0) | PER_OSF4)) #define STACK_TOP \  (current->personality & ADDR_LIMIT_32BIT ? 0x80000000 : 0x00120000000UL) #endif #endif /* __A_OUT_GNU_H__ */

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