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