diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/csky/sys/user.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/csky/sys/user.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/csky/sys/user.h b/sysdeps/unix/sysv/linux/csky/sys/user.h new file mode 100644 index 0000000000..9714277575 --- /dev/null +++ b/sysdeps/unix/sysv/linux/csky/sys/user.h @@ -0,0 +1,60 @@ +/* ptrace register data format definitions. C-SKY version. + Copyright (C) 2018 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#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 { + unsigned long int uregs[34]; /* CSKY V2 has 32 general rgister. */ +}; + +/* 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; /* 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 */ |