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Diffstat (limited to 'arch/um/sys-i386/util/mk_sc.c')
-rw-r--r--arch/um/sys-i386/util/mk_sc.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/um/sys-i386/util/mk_sc.c b/arch/um/sys-i386/util/mk_sc.c
new file mode 100644
index 000000000000..85cbd30396f7
--- /dev/null
+++ b/arch/um/sys-i386/util/mk_sc.c
@@ -0,0 +1,52 @@
+#include <stdio.h>
+#include <signal.h>
+#include <linux/stddef.h>
+
+#define SC_OFFSET(name, field) \
+ printf("#define " name "(sc) *((unsigned long *) &(((char *) (sc))[%d]))\n",\
+ offsetof(struct sigcontext, field))
+
+#define SC_FP_OFFSET(name, field) \
+ printf("#define " name \
+ "(sc) *((unsigned long *) &(((char *) (SC_FPSTATE(sc)))[%d]))\n",\
+ offsetof(struct _fpstate, field))
+
+#define SC_FP_OFFSET_PTR(name, field, type) \
+ printf("#define " name \
+ "(sc) ((" type " *) &(((char *) (SC_FPSTATE(sc)))[%d]))\n",\
+ offsetof(struct _fpstate, field))
+
+int main(int argc, char **argv)
+{
+ SC_OFFSET("SC_IP", eip);
+ SC_OFFSET("SC_SP", esp);
+ SC_OFFSET("SC_FS", fs);
+ SC_OFFSET("SC_GS", gs);
+ SC_OFFSET("SC_DS", ds);
+ SC_OFFSET("SC_ES", es);
+ SC_OFFSET("SC_SS", ss);
+ SC_OFFSET("SC_CS", cs);
+ SC_OFFSET("SC_EFLAGS", eflags);
+ SC_OFFSET("SC_EAX", eax);
+ SC_OFFSET("SC_EBX", ebx);
+ SC_OFFSET("SC_ECX", ecx);
+ SC_OFFSET("SC_EDX", edx);
+ SC_OFFSET("SC_EDI", edi);
+ SC_OFFSET("SC_ESI", esi);
+ SC_OFFSET("SC_EBP", ebp);
+ SC_OFFSET("SC_TRAPNO", trapno);
+ SC_OFFSET("SC_ERR", err);
+ SC_OFFSET("SC_CR2", cr2);
+ SC_OFFSET("SC_FPSTATE", fpstate);
+ SC_OFFSET("SC_SIGMASK", oldmask);
+ SC_FP_OFFSET("SC_FP_CW", cw);
+ SC_FP_OFFSET("SC_FP_SW", sw);
+ SC_FP_OFFSET("SC_FP_TAG", tag);
+ SC_FP_OFFSET("SC_FP_IPOFF", ipoff);
+ SC_FP_OFFSET("SC_FP_CSSEL", cssel);
+ SC_FP_OFFSET("SC_FP_DATAOFF", dataoff);
+ SC_FP_OFFSET("SC_FP_DATASEL", datasel);
+ SC_FP_OFFSET_PTR("SC_FP_ST", _st, "struct _fpstate");
+ SC_FP_OFFSET_PTR("SC_FXSR_ENV", _fxsr_env, "void");
+ return(0);
+}