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/config.h> 14 #include <linux/sched.h> 15 // #include <linux/mm.h> 16 17 #define DEFINE(sym, val) \ 18 asm volatile("\n->" #sym " %0 " #val : : "i" (val)) 19 20 #define BLANK() asm volatile("\n->" : : ) 21 22 int foo(void) 23 { 24 DEFINE(AOFF_task_thread, offsetof(struct task_struct, thread)); 25 BLANK(); 26 /* XXX This is the stuff for sclow.S, kill it. */ 27 DEFINE(AOFF_task_pid, offsetof(struct task_struct, pid)); 28 DEFINE(AOFF_task_uid, offsetof(struct task_struct, uid)); 29 DEFINE(AOFF_task_gid, offsetof(struct task_struct, gid)); 30 DEFINE(AOFF_task_euid, offsetof(struct task_struct, euid)); 31 DEFINE(AOFF_task_egid, offsetof(struct task_struct, egid)); 32 /* DEFINE(THREAD_INFO, offsetof(struct task_struct, thread_info)); */ 33 DEFINE(ASIZ_task_uid, sizeof(current->uid)); 34 DEFINE(ASIZ_task_gid, sizeof(current->gid)); 35 DEFINE(ASIZ_task_euid, sizeof(current->euid)); 36 DEFINE(ASIZ_task_egid, sizeof(current->egid)); 37 BLANK(); 38 DEFINE(AOFF_thread_fork_kpsr, 39 offsetof(struct thread_struct, fork_kpsr)); 40 BLANK(); 41 DEFINE(AOFF_mm_context, offsetof(struct mm_struct, context)); 42 43 /* DEFINE(NUM_USER_SEGMENTS, TASK_SIZE>>28); */ 44 return 0; 45 } 46