LXR linux/arch/alpha/kernel/asm-offsets.c

   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
  18void 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_GROUP_LEADER, offsetof(struct task_struct, group_leader));
  32        DEFINE(TASK_TGID, offsetof(struct task_struct, tgid));
  33        BLANK();
  34
  35        DEFINE(SIZEOF_PT_REGS, sizeof(struct pt_regs));
  36        DEFINE(PT_PTRACED, PT_PTRACED);
  37        DEFINE(CLONE_VM, CLONE_VM);
  38        DEFINE(CLONE_UNTRACED, CLONE_UNTRACED);
  39        DEFINE(SIGCHLD, SIGCHLD);
  40        BLANK();
  41
  42        DEFINE(HAE_CACHE, offsetof(struct alpha_machine_vector, hae_cache));
  43        DEFINE(HAE_REG, offsetof(struct alpha_machine_vector, hae_register));
  44}
  45