diff options
Diffstat (limited to 'arch/alpha/kernel/asm-offsets.c')
-rw-r--r-- | arch/alpha/kernel/asm-offsets.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/alpha/kernel/asm-offsets.c b/arch/alpha/kernel/asm-offsets.c new file mode 100644 index 00000000000..8f2e5c718b5 --- /dev/null +++ b/arch/alpha/kernel/asm-offsets.c @@ -0,0 +1,43 @@ +/* + * Generate definitions needed by assembly language modules. + * This code generates raw asm output which is post-processed to extract + * and format the required data. + */ + +#include <linux/types.h> +#include <linux/stddef.h> +#include <linux/sched.h> +#include <linux/ptrace.h> +#include <asm/io.h> + +#define DEFINE(sym, val) \ + asm volatile("\n->" #sym " %0 " #val : : "i" (val)) + +#define BLANK() asm volatile("\n->" : : ) + +void foo(void) +{ + DEFINE(TI_TASK, offsetof(struct thread_info, task)); + DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); + DEFINE(TI_CPU, offsetof(struct thread_info, cpu)); + BLANK(); + + DEFINE(TASK_BLOCKED, offsetof(struct task_struct, blocked)); + DEFINE(TASK_UID, offsetof(struct task_struct, uid)); + DEFINE(TASK_EUID, offsetof(struct task_struct, euid)); + DEFINE(TASK_GID, offsetof(struct task_struct, gid)); + DEFINE(TASK_EGID, offsetof(struct task_struct, egid)); + DEFINE(TASK_REAL_PARENT, offsetof(struct task_struct, real_parent)); + DEFINE(TASK_TGID, offsetof(struct task_struct, tgid)); + BLANK(); + + DEFINE(SIZEOF_PT_REGS, sizeof(struct pt_regs)); + DEFINE(PT_PTRACED, PT_PTRACED); + DEFINE(CLONE_VM, CLONE_VM); + DEFINE(CLONE_UNTRACED, CLONE_UNTRACED); + DEFINE(SIGCHLD, SIGCHLD); + BLANK(); + + DEFINE(HAE_CACHE, offsetof(struct alpha_machine_vector, hae_cache)); + DEFINE(HAE_REG, offsetof(struct alpha_machine_vector, hae_register)); +} |