lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-08-02 21:06:41 +03:00
Code Activity

C-SKY: remove user_regs definition

Browse Source 
C-SKY GDB dose not use this file for ptrace and coredump.  ptrace can use
pt_regs definition from linux kernel directly.  The old definition only
got 34 regs instead of 38 regs from linux kernel, which will corrupted
the memory after ptrace PTRACE_GETREGSET call.

	* sysdeps/unix/sysv/linux/csky/sys/procfs.h: Use linux definition
	directly.
	* sysdeps/unix/sysv/linux/csky/sys/user.h: Remove user_regs
	definition.
This commit is contained in:
Mao Han
2019-03-11 09:48:51 +08:00
parent 6229c9bff7
commit 827e30f3a3
3 changed files with 19 additions and 46 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
sysdeps/unix/sysv/linux/csky/bits/procfs.h
View File

@ -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];