kaguya
52 lines
1.0 KiB
C
52 lines
1.0 KiB
C
#ifndef _SYS_USER_H
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#define _SYS_USER_H
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* TODO: This assumes x86-64. */
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struct user_fpregs_struct {
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uint16_t cwd, swd, ftw, fop;
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uint64_t rip, rdp;
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uint32_t mxcsr, mxcr_mask;
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uint32_t st_space[32], xmm_space[64], padding[24];
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};
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struct user_regs_struct {
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unsigned long r15, r14, r13, r12, rbp, rbx, r11, r10, r9, r8;
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unsigned long rax, rcx, rdx, rsi, rdi, orig_rax, rip;
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unsigned long cs, eflags, rsp, ss, fs_base, gs_base, ds, es, fs, gs;
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};
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struct user {
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struct user_regs_struct regs;
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int u_fpvalid;
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struct user_fpregs_struct i387;
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unsigned long u_tsize;
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unsigned long u_dsize;
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unsigned long u_ssize;
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unsigned long start_code;
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unsigned long start_stack;
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long signal;
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int reserved;
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struct user_regs_struct *u_ar0;
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struct user_fpregs_struct *u_fpstate;
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unsigned long magic;
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char u_comm[32];
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unsigned long u_debugreg[8];
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};
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#ifdef __cplusplus
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}
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#endif
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#define PAGE_SHIFT 12
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#define PAGE_SIZE (1UL << PAGE_SHIFT)
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#define PAGE_MASK (~(PAGE_SIZE - 1))
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#endif
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