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Diffstat (limited to 'arch/mn10300/include/asm/user.h')
-rw-r--r-- | arch/mn10300/include/asm/user.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/mn10300/include/asm/user.h b/arch/mn10300/include/asm/user.h new file mode 100644 index 000000000000..e1193908b78c --- /dev/null +++ b/arch/mn10300/include/asm/user.h | |||
@@ -0,0 +1,53 @@ | |||
1 | /* MN10300 User process data | ||
2 | * | ||
3 | * Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd. | ||
4 | * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU General Public Licence | ||
8 | * as published by the Free Software Foundation; either version | ||
9 | * 2 of the Licence, or (at your option) any later version. | ||
10 | */ | ||
11 | #ifndef _ASM_USER_H | ||
12 | #define _ASM_USER_H | ||
13 | |||
14 | #include <asm/page.h> | ||
15 | #include <linux/ptrace.h> | ||
16 | |||
17 | #ifndef __ASSEMBLY__ | ||
18 | /* | ||
19 | * When the kernel dumps core, it starts by dumping the user struct - this will | ||
20 | * be used by gdb to figure out where the data and stack segments are within | ||
21 | * the file, and what virtual addresses to use. | ||
22 | */ | ||
23 | struct user { | ||
24 | /* We start with the registers, to mimic the way that "memory" is | ||
25 | * returned from the ptrace(3,...) function. | ||
26 | */ | ||
27 | struct pt_regs regs; /* Where the registers are actually stored */ | ||
28 | |||
29 | /* The rest of this junk is to help gdb figure out what goes where */ | ||
30 | unsigned long int u_tsize; /* Text segment size (pages). */ | ||
31 | unsigned long int u_dsize; /* Data segment size (pages). */ | ||
32 | unsigned long int u_ssize; /* Stack segment size (pages). */ | ||
33 | unsigned long start_code; /* Starting virtual address of text. */ | ||
34 | unsigned long start_stack; /* Starting virtual address of stack area. | ||
35 | This is actually the bottom of the stack, | ||
36 | the top of the stack is always found in the | ||
37 | esp register. */ | ||
38 | long int signal; /* Signal that caused the core dump. */ | ||
39 | int reserved; /* No longer used */ | ||
40 | struct user_pt_regs *u_ar0; /* Used by gdb to help find the values for */ | ||
41 | |||
42 | /* the registers */ | ||
43 | unsigned long magic; /* To uniquely identify a core file */ | ||
44 | char u_comm[32]; /* User command that was responsible */ | ||
45 | }; | ||
46 | #endif | ||
47 | |||
48 | #define NBPG PAGE_SIZE | ||
49 | #define UPAGES 1 | ||
50 | #define HOST_TEXT_START_ADDR +(u.start_code) | ||
51 | #define HOST_STACK_END_ADDR +(u.start_stack + u.u_ssize * NBPG) | ||
52 | |||
53 | #endif /* _ASM_USER_H */ | ||