diff options
Diffstat (limited to 'sysdeps/unix/sysv')
| -rw-r--r-- | sysdeps/unix/sysv/linux/csky/bits/procfs.h | 17 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/csky/sys/user.h | 41 |
2 files changed, 12 insertions, 46 deletions
diff --git a/sysdeps/unix/sysv/linux/csky/bits/procfs.h b/sysdeps/unix/sysv/linux/csky/bits/procfs.h index e3edf15c85..4ec0c5e759 100644 --- a/sysdeps/unix/sysv/linux/csky/bits/procfs.h +++ b/sysdeps/unix/sysv/linux/csky/bits/procfs.h @@ -20,15 +20,18 @@ # error "Never include <bits/procfs.h> directly; use <sys/procfs.h> instead." #endif +#include <asm/ptrace.h> + /* Type for a general-purpose register. */ typedef unsigned long elf_greg_t; +/* Type for a floating-point registers. */ +typedef unsigned long elf_fpreg_t; -/* And the whole bunch of them. We could have used `struct - user_regs' directly in the typedef, but tradition says that - the register set is an array, which does have some peculiar - semantics, so leave it that way. */ -#define ELF_NGREG (sizeof (struct user_regs) / sizeof (elf_greg_t)) +/* In gdb/bfd elf32-csky.c, csky_elf_grok_prstatus() use fixed size of + elf_prstatus. It's 148 for abiv1 and 220 for abiv2, the size is enough + for coredump and no need full sizeof (struct pt_regs). */ +#define ELF_NGREG ((sizeof (struct pt_regs) / sizeof (elf_greg_t)) - 2) typedef elf_greg_t elf_gregset_t[ELF_NGREG]; -/* Register set for the floating-point registers. */ -typedef struct user_fpregs elf_fpregset_t; +#define ELF_NFPREG (sizeof (struct user_fp) / sizeof (elf_fpreg_t)) +typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; diff --git a/sysdeps/unix/sysv/linux/csky/sys/user.h b/sysdeps/unix/sysv/linux/csky/sys/user.h index 3372ecef75..3c0c96db7b 100644 --- a/sysdeps/unix/sysv/linux/csky/sys/user.h +++ b/sysdeps/unix/sysv/linux/csky/sys/user.h @@ -1,4 +1,5 @@ -/* ptrace register data format definitions. C-SKY version. +/* This file is not used by C-SKY GDB. ptrace can use pt_regs definition + from linux kernel directly. Copyright (C) 2018-2019 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -19,42 +20,4 @@ #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 */ |