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csky: bugfix gdb coredump error. 

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).

Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Reported-by: Lu Baoquan <lu.baoquan@intellif.com>
Reported-by: Liu Mao <liu.mao@intellif.com>
This commit is contained in:
Guo Ren 2018-12-31 01:06:53 +08:00
parent 2b070ccdf8
commit 2054f4af19
1 changed files with 6 additions and 1 deletions
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7
arch/csky/include/asm/elf.h
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@ -31,7 +31,12 @@ typedef unsigned long elf_greg_t;
typedef struct user_fp elf_fpregset_t;
#define ELF_NGREG (sizeof(struct pt_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];