aboutsummaryrefslogtreecommitdiff
path: root/arch/cris/kernel/asm-offsets.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2008-12-16 22:04:48 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-16 22:04:48 +0100
commit78f902ccc597d6ce3e8d1477d70f2d79e960ba7a (patch)
treec6ceab663de16501d1dda1c1596fe2dacaaef8e3 /arch/cris/kernel/asm-offsets.c
parent9ee670fd87b7d69c8633b94c42aadcbbcb96f28e (diff)
parent8b1fae4e4200388b64dd88065639413cb3f1051c (diff)
Merge commit 'v2.6.28-rc8' into x86/doc
Diffstat (limited to 'arch/cris/kernel/asm-offsets.c')
-rw-r--r--arch/cris/kernel/asm-offsets.c64
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 00000000000..ddd6fbbe75d
--- /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;
+}