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- #ifndef _SYS_USER_H
- #define _SYS_USER_H 1
- struct user_fpregs {
- unsigned long fsr; /* fpu status reg */
- unsigned long fesr; /* fpu exception status reg */
- unsigned long fp[32]; /* fpu general regs */
- };
- struct user_regs {
- #if defined(__CSKYABIV2__)
- unsigned long int uregs[34]; /* CSKY V2 has 32 general rgister */
- #else
- unsigned long int uregs[18]; /* CSKY V1 has 16 general rgister */
- #endif
- };
- /*
- * When the kernel dumps core, it starts by dumping the user struct -
- * this will be used by gdb to figure out where the data and stack segments
- * are within the file, and what virtual addresses to use.
- */
- struct user{
- /* We start with the registers, to mimic the way that "memory" is returned
- from the ptrace(3,...) function. */
- struct user_regs regs; /* Where the registers are actually stored */
- int u_fpvalid; /* True if math co-processor being used. */
- /* The rest of this junk is to help gdb figure out what goes where */
- unsigned long int u_tsize; /* Text segment size (pages). */
- unsigned long int u_dsize; /* Data segment size (pages). */
- unsigned long int u_ssize; /* Stack segment size (pages). */
- unsigned long start_code; /* Starting virtual address of text. */
- unsigned long start_stack;/* Starting virtual address of stack area.
- This is actually the bottom of the stack,
- the top of the stack is always found in
- the esp register. */
- long int signal; /* Signal that caused the core dump. */
- int reserved; /* No longer used */
- struct user_regs * u_ar0; /* Used by gdb to help find the values
- for the registers. */
- unsigned long magic; /* To uniquely identify a core file */
- char u_comm[32]; /* User command that was responsible */
- struct user_fpregs u_fp;
- struct user_fpregs* u_fpstate; /* Math Co-processor pointer. */
- };
- #endif /* _SYS_USER_H */
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