This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / arch / um / sys-i386 / user-offsets.c

diff --git a/arch/um/sys-i386/user-offsets.c b/arch/um/sys-i386/user-offsets.c
new file mode 100644 (file)
index 0000000..3ceaabc
--- /dev/null
+++ b/arch/um/sys-i386/user-offsets.c
@@ -0,0 +1,69 @@
+#include <stdio.h>
+#include <signal.h>
+#include <asm/ptrace.h>
+#include <asm/user.h>
+#include <linux/stddef.h>
+
+#define DEFINE(sym, val) \
+        asm volatile("\n->" #sym " %0 " #val : : "i" (val))
+
+#define OFFSET(sym, str, mem) \
+       DEFINE(sym, offsetof(struct str, mem));
+
+void foo(void)
+{
+       OFFSET(SC_IP, sigcontext, eip);
+       OFFSET(SC_SP, sigcontext, esp);
+       OFFSET(SC_FS, sigcontext, fs);
+       OFFSET(SC_GS, sigcontext, gs);
+       OFFSET(SC_DS, sigcontext, ds);
+       OFFSET(SC_ES, sigcontext, es);
+       OFFSET(SC_SS, sigcontext, ss);
+       OFFSET(SC_CS, sigcontext, cs);
+       OFFSET(SC_EFLAGS, sigcontext, eflags);
+       OFFSET(SC_EAX, sigcontext, eax);
+       OFFSET(SC_EBX, sigcontext, ebx);
+       OFFSET(SC_ECX, sigcontext, ecx);
+       OFFSET(SC_EDX, sigcontext, edx);
+       OFFSET(SC_EDI, sigcontext, edi);
+       OFFSET(SC_ESI, sigcontext, esi);
+       OFFSET(SC_EBP, sigcontext, ebp);
+       OFFSET(SC_TRAPNO, sigcontext, trapno);
+       OFFSET(SC_ERR, sigcontext, err);
+       OFFSET(SC_CR2, sigcontext, cr2);
+       OFFSET(SC_FPSTATE, sigcontext, fpstate);
+       OFFSET(SC_SIGMASK, sigcontext, oldmask);
+       OFFSET(SC_FP_CW, _fpstate, cw);
+       OFFSET(SC_FP_SW, _fpstate, sw);
+       OFFSET(SC_FP_TAG, _fpstate, tag);
+       OFFSET(SC_FP_IPOFF, _fpstate, ipoff);
+       OFFSET(SC_FP_CSSEL, _fpstate, cssel);
+       OFFSET(SC_FP_DATAOFF, _fpstate, dataoff);
+       OFFSET(SC_FP_DATASEL, _fpstate, datasel);
+       OFFSET(SC_FP_ST, _fpstate, _st);
+       OFFSET(SC_FXSR_ENV, _fpstate, _fxsr_env);
+
+       DEFINE(HOST_FRAME_SIZE, FRAME_SIZE);
+       DEFINE(HOST_FP_SIZE,
+               sizeof(struct user_i387_struct) / sizeof(unsigned long));
+       DEFINE(HOST_XFP_SIZE,
+              sizeof(struct user_fxsr_struct) / sizeof(unsigned long));
+
+       DEFINE(HOST_IP, EIP);
+       DEFINE(HOST_SP, UESP);
+       DEFINE(HOST_EFLAGS, EFL);
+       DEFINE(HOST_EAX, EAX);
+       DEFINE(HOST_EBX, EBX);
+       DEFINE(HOST_ECX, ECX);
+       DEFINE(HOST_EDX, EDX);
+       DEFINE(HOST_ESI, ESI);
+       DEFINE(HOST_EDI, EDI);
+       DEFINE(HOST_EBP, EBP);
+       DEFINE(HOST_CS, CS);
+       DEFINE(HOST_SS, SS);
+       DEFINE(HOST_DS, DS);
+       DEFINE(HOST_FS, FS);
+       DEFINE(HOST_ES, ES);
+       DEFINE(HOST_GS, GS);
+       DEFINE(__UM_FRAME_SIZE, sizeof(struct user_regs_struct));
+}