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https://github.com/jart/cosmopolitan.git
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77 lines
1.7 KiB
C
77 lines
1.7 KiB
C
#ifndef _SYS_USER_H
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#define _SYS_USER_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef __x86_64__
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#undef __WORDSIZE
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#define __WORDSIZE 64
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typedef 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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} elf_fpregset_t;
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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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#define ELF_NGREG 27
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typedef unsigned long long elf_greg_t, elf_gregset_t[ELF_NGREG];
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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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#define PAGE_MASK (~(4096 - 1))
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#define NBPG 4096
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#define UPAGES 1
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#define HOST_TEXT_START_ADDR (u.start_code)
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#define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
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#elif defined(__aarch64__)
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struct user_regs_struct {
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unsigned long long regs[31];
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unsigned long long sp;
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unsigned long long pc;
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unsigned long long pstate;
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};
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struct user_fpsimd_struct {
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unsigned __int128 vregs[32];
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unsigned int fpsr;
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unsigned int fpcr;
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};
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#define ELF_NREG 34
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typedef unsigned long elf_greg_t, elf_gregset_t[ELF_NREG];
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typedef struct user_fpsimd_struct elf_fpregset_t;
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#else
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#error "unsupported architecture"
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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