x86, um: ... and asm-x86 move

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 70 insertions, 0 deletions

diff --git a/arch/x86/include/asm/user32.h b/arch/x86/include/asm/user32.h
new file mode 100644
index 000000000000..aa66c1857f06
--- /dev/null
+++ b/arch/x86/include/asm/user32.h
@@ -0,0 +1,70 @@
+#ifndef ASM_X86__USER32_H
+#define ASM_X86__USER32_H
+
+/* IA32 compatible user structures for ptrace.
+ * These should be used for 32bit coredumps too. */
+
+struct user_i387_ia32_struct {
+        u32     cwd;
+        u32     swd;
+        u32     twd;
+        u32     fip;
+        u32     fcs;
+        u32     foo;
+        u32     fos;
+        u32     st_space[20];   /* 8*10 bytes for each FP-reg = 80 bytes */
+};
+
+/* FSAVE frame with extensions */
+struct user32_fxsr_struct {
+        unsigned short  cwd;
+        unsigned short  swd;
+        unsigned short  twd;    /* not compatible to 64bit twd */
+        unsigned short  fop;
+        int     fip;
+        int     fcs;
+        int     foo;
+        int     fos;
+        int     mxcsr;
+        int     reserved;
+        int     st_space[32];   /* 8*16 bytes for each FP-reg = 128 bytes */
+        int     xmm_space[32];  /* 8*16 bytes for each XMM-reg = 128 bytes */
+        int     padding[56];
+};
+
+struct user_regs_struct32 {
+        __u32 ebx, ecx, edx, esi, edi, ebp, eax;
+        unsigned short ds, __ds, es, __es;
+        unsigned short fs, __fs, gs, __gs;
+        __u32 orig_eax, eip;
+        unsigned short cs, __cs;
+        __u32 eflags, esp;
+        unsigned short ss, __ss;
+};
+
+struct user32 {
+  struct user_regs_struct32 regs; /* Where the registers are actually stored */
+  int u_fpvalid;                /* True if math co-processor being used. */
+                                /* for this mess. Not yet used. */
+  struct user_i387_ia32_struct i387;    /* Math Co-processor registers. */
+/* The rest of this junk is to help gdb figure out what goes where */
+  __u32 u_tsize;        /* Text segment size (pages). */
+  __u32 u_dsize;        /* Data segment size (pages). */
+  __u32 u_ssize;        /* Stack segment size (pages). */
+  __u32 start_code;     /* Starting virtual address of text. */
+  __u32 start_stack;    /* Starting virtual address of stack area.
+                                   This is actually the bottom of the stack,
+                                   the top of the stack is always found in the
+                                   esp register.  */
+  __u32 signal;                 /* Signal that caused the core dump. */
+  int reserved;                 /* No __u32er used */
+  __u32 u_ar0;  /* Used by gdb to help find the values for */
+                                /* the registers. */
+  __u32 u_fpstate;      /* Math Co-processor pointer. */
+  __u32 magic;          /* To uniquely identify a core file */
+  char u_comm[32];              /* User command that was responsible */
+  int u_debugreg[8];
+};
+
+
+#endif /* ASM_X86__USER32_H */