1/* 2 * This program is used to generate definitions needed by 3 * assembly language modules. 4 * 5 * We use the technique used in the OSF Mach kernel code: 6 * generate asm statements containing #defines, 7 * compile this file to assembler, and then extract the 8 * #defines from the assembly-language output. 9 * 10 * On sparc, thread_info data is static and TI_XXX offsets are computed by hand. 11 */ 12 13#include <linux/sched.h> 14// #include <linux/mm.h> 15 16#define DEFINE(sym, val) \ 17 asm volatile("\n->" #sym " %0 " #val : : "i" (val)) 18 19#define BLANK() asm volatile("\n->" : : ) 20 21int foo(void) 22{ 23 DEFINE(AOFF_task_thread, offsetof(struct task_struct, thread)); 24 BLANK(); 25 DEFINE(AOFF_task_pid, offsetof(struct task_struct, pid)); 26 DEFINE(AOFF_task_uid, offsetof(struct task_struct, uid)); 27 DEFINE(AOFF_task_gid, offsetof(struct task_struct, gid)); 28 DEFINE(AOFF_task_euid, offsetof(struct task_struct, euid)); 29 DEFINE(AOFF_task_egid, offsetof(struct task_struct, egid)); 30 /* DEFINE(THREAD_INFO, offsetof(struct task_struct, stack)); */ 31 DEFINE(ASIZ_task_uid, sizeof(current->uid)); 32 DEFINE(ASIZ_task_gid, sizeof(current->gid)); 33 DEFINE(ASIZ_task_euid, sizeof(current->euid)); 34 DEFINE(ASIZ_task_egid, sizeof(current->egid)); 35 BLANK(); 36 DEFINE(AOFF_thread_fork_kpsr, 37 offsetof(struct thread_struct, fork_kpsr)); 38 BLANK(); 39 DEFINE(AOFF_mm_context, offsetof(struct mm_struct, context)); 40 41 /* DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28); */ 42 return 0; 43} 44