diff options
Diffstat (limited to 'arch/cris/kernel')
-rw-r--r-- | arch/cris/kernel/asm-offsets.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/cris/kernel/asm-offsets.c b/arch/cris/kernel/asm-offsets.c new file mode 100644 index 0000000..ddd6fbb --- /dev/null +++ b/arch/cris/kernel/asm-offsets.c @@ -0,0 +1,64 @@ +#include <linux/sched.h> +#include <asm/thread_info.h> +#include <linux/autoconf.h> + +/* + * Generate definitions needed by assembly language modules. + * This code generates raw asm output which is post-processed to extract + * and format the required data. + */ + +#define DEFINE(sym, val) \ + asm volatile("\n->" #sym " %0 " #val : : "i" (val)) + +#define BLANK() asm volatile("\n->" : : ) + +#if !defined(CONFIG_ETRAX_ARCH_V10) && !defined(CONFIG_ETRAX_ARCH_V32) +#error One of ARCH v10 and ARCH v32 must be true! +#endif + +int main(void) +{ +#define ENTRY(entry) DEFINE(PT_ ## entry, offsetof(struct pt_regs, entry)) + ENTRY(orig_r10); + ENTRY(r13); + ENTRY(r12); + ENTRY(r11); + ENTRY(r10); + ENTRY(r9); +#ifdef CONFIG_ETRAX_ARCH_V32 + ENTRY(acr); + ENTRY(srs); +#endif + ENTRY(mof); +#ifdef CONFIG_ETRAX_ARCH_V10 + ENTRY(dccr); +#else + ENTRY(ccs); +#endif + ENTRY(srp); + BLANK(); +#undef ENTRY +#define ENTRY(entry) DEFINE(TI_ ## entry, offsetof(struct thread_info, entry)) + ENTRY(task); + ENTRY(flags); + ENTRY(preempt_count); + BLANK(); +#undef ENTRY +#define ENTRY(entry) DEFINE(THREAD_ ## entry, offsetof(struct thread_struct, entry)) + ENTRY(ksp); + ENTRY(usp); +#ifdef CONFIG_ETRAX_ARCH_V10 + ENTRY(dccr); +#else + ENTRY(ccs); +#endif + BLANK(); +#undef ENTRY +#define ENTRY(entry) DEFINE(TASK_ ## entry, offsetof(struct task_struct, entry)) + ENTRY(pid); + BLANK(); + DEFINE(LCLONE_VM, CLONE_VM); + DEFINE(LCLONE_UNTRACED, CLONE_UNTRACED); + return 0; +} |