2 * Support for o32 Linux/MIPS ELF binaries.
5 * Copyright (C) 1999, 2001 Ralf Baechle
6 * Copyright (C) 1999, 2001 Silicon Graphics, Inc.
8 * Heavily inspired by the 32-bit Sparc compat code which is
13 #define ELF_ARCH EM_MIPS
14 #define ELF_CLASS ELFCLASS32
16 #define ELF_DATA ELFDATA2MSB;
17 #else /* __MIPSEL__ */
18 #define ELF_DATA ELFDATA2LSB;
21 /* ELF register definitions */
25 typedef unsigned int elf_greg_t;
26 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
28 typedef double elf_fpreg_t;
29 typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
32 * This is used to ensure we don't load something for the wrong architecture.
34 #define elf_check_arch elfo32_check_arch
36 #ifdef CONFIG_KVM_GUEST
37 #define TASK32_SIZE 0x3fff8000UL
39 #define TASK32_SIZE 0x7fff8000UL
41 #undef ELF_ET_DYN_BASE
42 #define ELF_ET_DYN_BASE (TASK32_SIZE / 3 * 2)
44 #include <asm/processor.h>
46 #include <linux/elfcore.h>
47 #include <linux/compat.h>
48 #include <linux/math64.h>
50 #define elf_prstatus elf_prstatus32
53 struct elf_siginfo pr_info; /* Info associated with signal */
54 short pr_cursig; /* Current signal */
55 unsigned int pr_sigpend; /* Set of pending signals */
56 unsigned int pr_sighold; /* Set of held signals */
61 struct compat_timeval pr_utime; /* User time */
62 struct compat_timeval pr_stime; /* System time */
63 struct compat_timeval pr_cutime;/* Cumulative user time */
64 struct compat_timeval pr_cstime;/* Cumulative system time */
65 elf_gregset_t pr_reg; /* GP registers */
66 int pr_fpvalid; /* True if math co-processor being used. */
69 #define elf_prpsinfo elf_prpsinfo32
72 char pr_state; /* numeric process state */
73 char pr_sname; /* char for pr_state */
74 char pr_zomb; /* zombie */
75 char pr_nice; /* nice val */
76 unsigned int pr_flag; /* flags */
77 __kernel_uid_t pr_uid;
78 __kernel_gid_t pr_gid;
79 pid_t pr_pid, pr_ppid, pr_pgrp, pr_sid;
81 char pr_fname[16]; /* filename of executable */
82 char pr_psargs[ELF_PRARGSZ]; /* initial part of arg list */
85 #define elf_caddr_t u32
86 #define init_elf_binfmt init_elf32_binfmt
88 #define jiffies_to_timeval jiffies_to_compat_timeval
90 jiffies_to_compat_timeval(unsigned long jiffies, struct compat_timeval *value)
93 * Convert jiffies to nanoseconds and separate with
96 u64 nsec = (u64)jiffies * TICK_NSEC;
98 value->tv_sec = div_u64_rem(nsec, NSEC_PER_SEC, &rem);
99 value->tv_usec = rem / NSEC_PER_USEC;
103 #define TASK_SIZE TASK_SIZE32
106 #define ns_to_timeval ns_to_compat_timeval
108 #include "../../../fs/binfmt_elf.c"