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authorAl Viro <viro@zeniv.linux.org.uk>2008-08-17 21:05:42 -0400
committerH. Peter Anvin <hpa@zytor.com>2008-10-22 22:55:20 -0700
commitbb8985586b7a906e116db835c64773b7a7d51663 (patch)
treede93ae58e88cc563d95cc124a73f3930594c6100 /arch/x86/include/asm/user32.h
parent8ede0bdb63305d3353efd97e9af6210afb05734e (diff)
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>
Diffstat (limited to 'arch/x86/include/asm/user32.h')
-rw-r--r--arch/x86/include/asm/user32.h70
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 00000000000..aa66c1857f0
--- /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 */