Root/target/linux/ubicom32/files/arch/ubicom32/kernel/asm-offsets.c

1/*
2 * arch/ubicom32/kernel/asm-offsets.c
3 * Ubicom32 architecture definitions needed by assembly language modules.
4 *
5 * (C) Copyright 2009, Ubicom, Inc.
6 *
7 * This file is part of the Ubicom32 Linux Kernel Port.
8 *
9 * The Ubicom32 Linux Kernel Port is free software: you can redistribute
10 * it and/or modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation, either version 2 of the
12 * License, or (at your option) any later version.
13 *
14 * The Ubicom32 Linux Kernel Port is distributed in the hope that it
15 * will be useful, but WITHOUT ANY WARRANTY; without even the implied
16 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
17 * the GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with the Ubicom32 Linux Kernel Port. If not,
21 * see <http://www.gnu.org/licenses/>.
22 *
23 * Ubicom32 implementation derived from (with many thanks):
24 * arch/m68knommu
25 * arch/blackfin
26 * arch/parisc
27 */
28/*
29 * This program is used to generate definitions needed by
30 * assembly language modules.
31 *
32 * We use the technique used in the OSF Mach kernel code:
33 * generate asm statements containing #defines,
34 * compile this file to assembler, and then extract the
35 * #defines from the assembly-language output.
36 */
37
38#include <linux/module.h>
39#include <linux/stddef.h>
40#include <linux/sched.h>
41#include <linux/kernel_stat.h>
42#include <linux/ptrace.h>
43#include <linux/hardirq.h>
44#include <asm/bootinfo.h>
45#include <asm/irq.h>
46#include <asm/thread_info.h>
47
48#define DEFINE(sym, val) \
49        asm volatile("\n->" #sym " %0 " #val : : "i" (val))
50
51#define BLANK() asm volatile("\n->" : : )
52
53int main(void)
54{
55    /* offsets into the task struct */
56    DEFINE(TASK_STATE, offsetof(struct task_struct, state));
57    DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
58    DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
59    DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked));
60    DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
61    DEFINE(TASK_THREAD_INFO, offsetof(struct task_struct, stack));
62    DEFINE(TASK_MM, offsetof(struct task_struct, mm));
63    DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
64
65    /* offsets into the kernel_stat struct */
66// DEFINE(STAT_IRQ, offsetof(struct kernel_stat, irqs));
67
68    /* offsets into the irq_cpustat_t struct */
69    DEFINE(CPUSTAT_SOFTIRQ_PENDING, offsetof(irq_cpustat_t, __softirq_pending));
70
71    /* offsets into the thread struct */
72    DEFINE(THREAD_D10, offsetof(struct thread_struct, d10));
73    DEFINE(THREAD_D11, offsetof(struct thread_struct, d11));
74    DEFINE(THREAD_D12, offsetof(struct thread_struct, d12));
75    DEFINE(THREAD_D13, offsetof(struct thread_struct, d13));
76    DEFINE(THREAD_A1, offsetof(struct thread_struct, a1));
77    DEFINE(THREAD_A2, offsetof(struct thread_struct, a2));
78    DEFINE(THREAD_A5, offsetof(struct thread_struct, a5));
79    DEFINE(THREAD_A6, offsetof(struct thread_struct, a6));
80    DEFINE(THREAD_SP, offsetof(struct thread_struct, sp));
81
82    /* offsets into the pt_regs */
83    DEFINE(PT_D0, offsetof(struct pt_regs, dn[0]));
84    DEFINE(PT_D1, offsetof(struct pt_regs, dn[1]));
85    DEFINE(PT_D2, offsetof(struct pt_regs, dn[2]));
86    DEFINE(PT_D3, offsetof(struct pt_regs, dn[3]));
87    DEFINE(PT_D4, offsetof(struct pt_regs, dn[4]));
88    DEFINE(PT_D5, offsetof(struct pt_regs, dn[5]));
89    DEFINE(PT_D6, offsetof(struct pt_regs, dn[6]));
90    DEFINE(PT_D7, offsetof(struct pt_regs, dn[7]));
91    DEFINE(PT_D8, offsetof(struct pt_regs, dn[8]));
92    DEFINE(PT_D9, offsetof(struct pt_regs, dn[9]));
93    DEFINE(PT_D10, offsetof(struct pt_regs, dn[10]));
94    DEFINE(PT_D11, offsetof(struct pt_regs, dn[11]));
95    DEFINE(PT_D12, offsetof(struct pt_regs, dn[12]));
96    DEFINE(PT_D13, offsetof(struct pt_regs, dn[13]));
97    DEFINE(PT_D14, offsetof(struct pt_regs, dn[14]));
98    DEFINE(PT_D15, offsetof(struct pt_regs, dn[15]));
99    DEFINE(PT_A0, offsetof(struct pt_regs, an[0]));
100    DEFINE(PT_A1, offsetof(struct pt_regs, an[1]));
101    DEFINE(PT_A2, offsetof(struct pt_regs, an[2]));
102    DEFINE(PT_A3, offsetof(struct pt_regs, an[3]));
103    DEFINE(PT_A4, offsetof(struct pt_regs, an[4]));
104    DEFINE(PT_A5, offsetof(struct pt_regs, an[5]));
105    DEFINE(PT_A6, offsetof(struct pt_regs, an[6]));
106    DEFINE(PT_A7, offsetof(struct pt_regs, an[7]));
107    DEFINE(PT_SP, offsetof(struct pt_regs, an[7]));
108
109    DEFINE(PT_ACC0HI, offsetof(struct pt_regs, acc0[0]));
110    DEFINE(PT_ACC0LO, offsetof(struct pt_regs, acc0[1]));
111    DEFINE(PT_MAC_RC16, offsetof(struct pt_regs, mac_rc16));
112
113    DEFINE(PT_ACC1HI, offsetof(struct pt_regs, acc1[0]));
114    DEFINE(PT_ACC1LO, offsetof(struct pt_regs, acc1[1]));
115
116    DEFINE(PT_SOURCE3, offsetof(struct pt_regs, source3));
117    DEFINE(PT_INST_CNT, offsetof(struct pt_regs, inst_cnt));
118    DEFINE(PT_CSR, offsetof(struct pt_regs, csr));
119    DEFINE(PT_DUMMY_UNUSED, offsetof(struct pt_regs, dummy_unused));
120
121    DEFINE(PT_INT_MASK0, offsetof(struct pt_regs, int_mask0));
122    DEFINE(PT_INT_MASK1, offsetof(struct pt_regs, int_mask1));
123
124    DEFINE(PT_PC, offsetof(struct pt_regs, pc));
125
126    DEFINE(PT_TRAP_CAUSE, offsetof(struct pt_regs, trap_cause));
127
128    DEFINE(PT_SIZE, sizeof(struct pt_regs));
129
130    DEFINE(PT_FRAME_TYPE, offsetof(struct pt_regs, frame_type));
131
132    DEFINE(PT_ORIGINAL_D0, offsetof(struct pt_regs, original_dn_0));
133    DEFINE(PT_PREVIOUS_PC, offsetof(struct pt_regs, previous_pc));
134
135    /* offsets into the kernel_stat struct */
136// DEFINE(STAT_IRQ, offsetof(struct kernel_stat, irqs));
137
138    /* signal defines */
139    DEFINE(SIGSEGV, SIGSEGV);
140    //DEFINE(SEGV_MAPERR, SEGV_MAPERR);
141    DEFINE(SIGTRAP, SIGTRAP);
142    //DEFINE(TRAP_TRACE, TRAP_TRACE);
143
144    DEFINE(PT_PTRACED, PT_PTRACED);
145    DEFINE(PT_DTRACE, PT_DTRACE);
146
147    DEFINE(ASM_THREAD_SIZE, THREAD_SIZE);
148
149    /* Offsets in thread_info structure */
150    DEFINE(TI_TASK, offsetof(struct thread_info, task));
151    DEFINE(TI_EXECDOMAIN, offsetof(struct thread_info, exec_domain));
152    DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
153    DEFINE(TI_PREEMPTCOUNT, offsetof(struct thread_info, preempt_count));
154    DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
155    DEFINE(TI_INTR_NESTING, offsetof(struct thread_info, interrupt_nesting));
156    DEFINE(ASM_TIF_NEED_RESCHED, TIF_NEED_RESCHED);
157    DEFINE(ASM_TIF_SYSCALL_TRACE, TIF_SYSCALL_TRACE);
158    DEFINE(ASM_TIF_SIGPENDING, TIF_SIGPENDING);
159
160    return 0;
161}
162

Archive Download this file

Branches:
backfire
history
master
release_2010-11-17
release_2010-12-14
release_2011-02-23
release_2011-05-28
release_2011-08-27
release_2011-11-13
release_2012-03-18
release_2012-04-09
release_2012-10-11
uclibc_nptl



interactive