arch/powerpc/kernel/binfmt_elf32.c

   1 /*
   2  * binfmt_elf32.c: Support 32-bit PPC ELF binaries on Power3 and followons.
   3  * based on the SPARC64 version.
   4  * Copyright (C) 1995, 1996, 1997, 1998 David S. Miller (davem@redhat.com)
   5  * Copyright (C) 1995, 1996, 1997, 1998 Jakub Jelinek   (jj@ultra.linux.cz)
   6  *
   7  * Copyright (C) 2000,2001 Ken Aaker (kdaaker@rchland.vnet.ibm.com), IBM Corp
   8  * Copyright (C) 2001 Anton Blanchard (anton@au.ibm.com), IBM
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License
  12  * as published by the Free Software Foundation; either version
  13  * 2 of the License, or (at your option) any later version.
  14  */
  15
  16 #define ELF_ARCH                EM_PPC
  17 #define ELF_CLASS               ELFCLASS32
  18 #define ELF_DATA                ELFDATA2MSB;
  19
  20 #include <asm/processor.h>
  21 #include <linux/module.h>
  22 #include <linux/elfcore.h>
  23 #include <linux/compat.h>
  24
  25 #define elf_prstatus elf_prstatus32
  26 struct elf_prstatus32
  27 {
  28         struct elf_siginfo pr_info;     /* Info associated with signal */
  29         short   pr_cursig;              /* Current signal */
  30         unsigned int pr_sigpend;        /* Set of pending signals */
  31         unsigned int pr_sighold;        /* Set of held signals */
  32         pid_t   pr_pid;
  33         pid_t   pr_ppid;
  34         pid_t   pr_pgrp;
  35         pid_t   pr_sid;
  36         struct compat_timeval pr_utime; /* User time */
  37         struct compat_timeval pr_stime; /* System time */
  38         struct compat_timeval pr_cutime;        /* Cumulative user time */
  39         struct compat_timeval pr_cstime;        /* Cumulative system time */
  40         elf_gregset_t pr_reg;           /* General purpose registers. */
  41         int pr_fpvalid;         /* True if math co-processor being used. */
  42 };
  43
  44 #define elf_prpsinfo elf_prpsinfo32
  45 struct elf_prpsinfo32
  46 {
  47         char    pr_state;       /* numeric process state */
  48         char    pr_sname;       /* char for pr_state */
  49         char    pr_zomb;        /* zombie */
  50         char    pr_nice;        /* nice val */
  51         unsigned int pr_flag;   /* flags */
  52         u32     pr_uid;
  53         u32     pr_gid;
  54         pid_t   pr_pid, pr_ppid, pr_pgrp, pr_sid;
  55         /* Lots missing */
  56         char    pr_fname[16];   /* filename of executable */
  57         char    pr_psargs[ELF_PRARGSZ]; /* initial part of arg list */
  58 };
  59
  60 #include <linux/time.h>
  61
  62 #undef cputime_to_timeval
  63 #define cputime_to_timeval cputime_to_compat_timeval
  64 static __inline__ void
  65 cputime_to_compat_timeval(const cputime_t cputime, struct compat_timeval *value)
  66 {
  67         unsigned long jiffies = cputime_to_jiffies(cputime);
  68         value->tv_usec = (jiffies % HZ) * (1000000L / HZ);
  69         value->tv_sec = jiffies / HZ;
  70 }
  71
  72 #define init_elf_binfmt init_elf32_binfmt
  73
  74 #include "../../../fs/binfmt_elf.c"