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/* * This program is used to generate definitions needed by * assembly language modules. * * We use the technique used in the OSF Mach kernel code: * generate asm statements containing #defines, * compile this file to assembler, and then extract the * #defines from the assembly-language output. */ #include <linux/stddef.h> #include <linux/types.h> #include <linux/mm.h> #include <asm/thread_info.h> #define DEFINE(sym, val) \ asm volatile("\n->" #sym " %0 " #val : : "i" (val)) #define BLANK() asm volatile("\n->" : : ) int main(void) { /* offsets into the thread_info struct */ DEFINE(TI_TASK, offsetof(struct thread_info, task)); DEFINE(TI_EXEC_DOMAIN, offsetof(struct thread_info, exec_domain)); DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); DEFINE(TI_PRE_COUNT, offsetof(struct thread_info, preempt_count)); DEFINE(TI_CPU, offsetof(struct thread_info, cpu)); DEFINE(TI_ADDR_LIMIT, offsetof(struct thread_info, addr_limit)); DEFINE(TI_RESTART_BLOCK,offsetof(struct thread_info, restart_block)); return 0; } |