1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
/*
* binfmt_elf32.c: Support 32-bit Sparc ELF binaries on Ultra.
*
* Copyright (C) 1995, 1996, 1997, 1998 David S. Miller (davem@davemloft.net)
* Copyright (C) 1995, 1996, 1997, 1998 Jakub Jelinek (jj@ultra.linux.cz)
*/
#define ELF_ARCH EM_SPARC
#define ELF_CLASS ELFCLASS32
#define ELF_DATA ELFDATA2MSB;
/* For the most part we present code dumps in the format
* Solaris does.
*/
typedef unsigned int elf_greg_t;
#define ELF_NGREG 38
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
/* Format is:
* G0 --> G7
* O0 --> O7
* L0 --> L7
* I0 --> I7
* PSR, PC, nPC, Y, WIM, TBR
*/
#include <asm/psrcompat.h>
#define ELF_CORE_COPY_REGS(__elf_regs, __pt_regs) \
do { unsigned int *dest = &(__elf_regs[0]); \
struct pt_regs *src = (__pt_regs); \
unsigned int __user *sp; \
int i; \
for(i = 0; i < 16; i++) \
dest[i] = (unsigned int) src->u_regs[i];\
/* Don't try this at home kids... */ \
sp = (unsigned int __user *) (src->u_regs[14] & \
0x00000000fffffffc); \
for(i = 0; i < 16; i++) \
__get_user(dest[i+16], &sp[i]); \
dest[32] = tstate_to_psr(src->tstate); \
dest[33] = (unsigned int) src->tpc; \
dest[34] = (unsigned int) src->tnpc; \
dest[35] = src->y; \
dest[36] = dest[37] = 0; /* XXX */ \
} while(0);
typedef struct {
union {
unsigned int pr_regs[32];
unsigned long pr_dregs[16];
} pr_fr;
unsigned int __unused;
unsigned int pr_fsr;
unsigned char pr_qcnt;
unsigned char pr_q_entrysize;
unsigned char pr_en;
unsigned int pr_q[64];
} elf_fpregset_t;
/* UltraSparc extensions. Still unused, but will be eventually. */
typedef struct {
unsigned int pr_type;
unsigned int pr_align;
union {
struct {
union {
unsigned int pr_regs[32];
unsigned long pr_dregs[16];
long double pr_qregs[8];
} pr_xfr;
} pr_v8p;
unsigned int pr_xfsr;
unsigned int pr_fprs;
unsigned int pr_xg[8];
unsigned int pr_xo[8];
unsigned long pr_tstate;
unsigned int pr_filler[8];
} pr_un;
} elf_xregset_t;
#define elf_check_arch(x) (((x)->e_machine == EM_SPARC) || ((x)->e_machine == EM_SPARC32PLUS))
#define ELF_ET_DYN_BASE 0x70000000
#include <asm/processor.h>
#include <linux/module.h>
#include <linux/elfcore.h>
#include <linux/compat.h>
#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 */
};
#include <linux/highuid.h>
#undef NEW_TO_OLD_UID
#undef NEW_TO_OLD_GID
#define NEW_TO_OLD_UID(uid) ((uid) > 65535) ? (u16)overflowuid : (u16)(uid)
#define NEW_TO_OLD_GID(gid) ((gid) > 65535) ? (u16)overflowgid : (u16)(gid)
#include <linux/time.h>
#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;
}
#undef start_thread
#define start_thread start_thread32
#define init_elf_binfmt init_elf32_binfmt
MODULE_DESCRIPTION("Binary format loader for compatibility with 32bit SparcLinux binaries on the Ultra");
MODULE_AUTHOR("Eric Youngdale, David S. Miller, Jakub Jelinek");
#undef MODULE_DESCRIPTION
#undef MODULE_AUTHOR
#include <asm/a.out.h>
#undef TASK_SIZE
#define TASK_SIZE STACK_TOP32
#include "../../../fs/binfmt_elf.c"
|
