32 lines
890 B
C
32 lines
890 B
C
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#ifndef _ASM_X86_ELFCORE_COMPAT_H
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#define _ASM_X86_ELFCORE_COMPAT_H
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#include <asm/user32.h>
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/*
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* On amd64 we have two 32bit ABIs - i386 and x32. The latter
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* has bigger registers, so we use it for compat_elf_regset_t.
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* The former uses i386_elf_prstatus and PRSTATUS_SIZE/SET_PR_FPVALID
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* are used to choose the size and location of ->pr_fpvalid of
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* the layout actually used.
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*/
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typedef struct user_regs_struct compat_elf_gregset_t;
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struct i386_elf_prstatus
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{
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struct compat_elf_prstatus_common common;
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struct user_regs_struct32 pr_reg;
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compat_int_t pr_fpvalid;
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};
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#define PRSTATUS_SIZE \
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(user_64bit_mode(task_pt_regs(current)) \
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? sizeof(struct compat_elf_prstatus) \
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: sizeof(struct i386_elf_prstatus))
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#define SET_PR_FPVALID(S) \
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(*(user_64bit_mode(task_pt_regs(current)) \
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? &(S)->pr_fpvalid \
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: &((struct i386_elf_prstatus *)(S))->pr_fpvalid) = 1)
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#endif
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