alpha: move include/asm-alpha to arch/alpha/include/asm

[pandora-kernel.git] / arch / alpha / include / asm / a.out.h

diff --git a/arch/alpha/include/asm/a.out.h b/arch/alpha/include/asm/a.out.h
new file mode 100644 (file)
index 0000000..02ce847
--- /dev/null
+++ b/arch/alpha/include/asm/a.out.h
@@ -0,0 +1,102 @@
+#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))
+
+#endif /* __KERNEL__ */
+#endif /* __A_OUT_GNU_H__ */