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31 lines
890 B
31 lines
890 B
#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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