1 #ifndef _ASM_X86_ELFCORE_COMPAT_H
2 #define _ASM_X86_ELFCORE_COMPAT_H
3
4 #include <asm/user32.h>
5
6 /*
7 * On amd64 we have two 32bit ABIs - i386 and x32. The latter
8 * has bigger registers, so we use it for compat_elf_regset_t.
9 * The former uses i386_elf_prstatus and PRSTATUS_SIZE/SET_PR_FPVALID
10 * are used to choose the size and location of ->pr_fpvalid of
11 * the layout actually used.
12 */
13 typedef struct user_regs_struct compat_elf_gregset_t;
14
15 struct i386_elf_prstatus
16 {
17 struct compat_elf_prstatus_common common;
18 struct user_regs_struct32 pr_reg;
19 compat_int_t pr_fpvalid;
20 };
21
22 #define PRSTATUS_SIZE \
23 (user_64bit_mode(task_pt_regs(current)) \
24 ? sizeof(struct compat_elf_prstatus) \
25 : sizeof(struct i386_elf_prstatus))
26 #define SET_PR_FPVALID(S) \
27 (*(user_64bit_mode(task_pt_regs(current)) \
28 ? &(S)->pr_fpvalid \
29 : &((struct i386_elf_prstatus *)(S))->pr_fpvalid) = 1)
30
31 #endif
32
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