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-rw-r--r--arch/csky/include/asm/elf.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/csky/include/asm/elf.h b/arch/csky/include/asm/elf.h
index 48b5366568ab..d6dbc00e3533 100644
--- a/arch/csky/include/asm/elf.h
+++ b/arch/csky/include/asm/elf.h
@@ -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];