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MIPS: elfcore: add correct copy_regs implementations 

MIPS does not currently define ELF_CORE_COPY_REGS macros and as a result
the generic implementation is used. The generic version attempts to do
directly map (struct pt_regs) into (elf_gregset_t), which isn't correct
for MIPS platforms and also triggers a BUG() at runtime in
include/linux/elfcore.h:16 (BUG_ON(sizeof(*elfregs) != sizeof(*regs)))

[ralf@linux-mips.org: Add semicolons to the macro definitions as I do not
apply https://patchwork.linux-mips.org/patch/14588/ for now.]

Signed-off-by: Marcin Nowakowski <marcin.nowakowski@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14586/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Marcin Nowakowski 2016-11-21 11:23:39 +01:00 committed by Ralf Baechle
parent 08c941bf6e
commit 39a3cb27c1
1 changed files with 6 additions and 0 deletions
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6
arch/mips/include/asm/elf.h
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@ -224,6 +224,9 @@ void mips_dump_regs64(u64 *uregs, const struct pt_regs *regs);
*/
#define ELF_CLASS ELFCLASS32
#define ELF_CORE_COPY_REGS(dest, regs) \
mips_dump_regs32((u32 *)&(dest), (regs));
#endif /* CONFIG_32BIT */
#ifdef CONFIG_64BIT
@ -237,6 +240,9 @@ void mips_dump_regs64(u64 *uregs, const struct pt_regs *regs);
*/
#define ELF_CLASS ELFCLASS64
#define ELF_CORE_COPY_REGS(dest, regs) \
mips_dump_regs64((u64 *)&(dest), (regs));
#endif /* CONFIG_64BIT */
/*