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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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