xref: /openbmc/linux/arch/alpha/kernel/asm-offsets.c (revision 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2)
1 /*
2  * Generate definitions needed by assembly language modules.
3  * This code generates raw asm output which is post-processed to extract
4  * and format the required data.
5  */
6 
7 #include <linux/types.h>
8 #include <linux/stddef.h>
9 #include <linux/sched.h>
10 #include <linux/ptrace.h>
11 #include <asm/io.h>
12 
13 #define DEFINE(sym, val) \
14         asm volatile("\n->" #sym " %0 " #val : : "i" (val))
15 
16 #define BLANK() asm volatile("\n->" : : )
17 
18 void foo(void)
19 {
20 	DEFINE(TI_TASK, offsetof(struct thread_info, task));
21 	DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
22 	DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
23 	BLANK();
24 
25         DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked));
26         DEFINE(TASK_UID, offsetof(struct task_struct, uid));
27         DEFINE(TASK_EUID, offsetof(struct task_struct, euid));
28         DEFINE(TASK_GID, offsetof(struct task_struct, gid));
29         DEFINE(TASK_EGID, offsetof(struct task_struct, egid));
30         DEFINE(TASK_REAL_PARENT, offsetof(struct task_struct, real_parent));
31         DEFINE(TASK_TGID, offsetof(struct task_struct, tgid));
32         BLANK();
33 
34 	DEFINE(SIZEOF_PT_REGS, sizeof(struct pt_regs));
35 	DEFINE(PT_PTRACED, PT_PTRACED);
36 	DEFINE(CLONE_VM, CLONE_VM);
37 	DEFINE(CLONE_UNTRACED, CLONE_UNTRACED);
38 	DEFINE(SIGCHLD, SIGCHLD);
39 	BLANK();
40 
41 	DEFINE(HAE_CACHE, offsetof(struct alpha_machine_vector, hae_cache));
42 	DEFINE(HAE_REG, offsetof(struct alpha_machine_vector, hae_register));
43 }
44