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b920de1b DH |
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 */ |