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MIPS: ELF: Unify __MIPS_O32_FP64_MUST_BE_ZERO definitions 

Signed-off-by: Maciej W. Rozycki <macro@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/13244/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Maciej W. Rozycki 2016-05-13 07:20:55 +01:00 committed by Ralf Baechle
parent de704161aa
commit 4a60ad51d6
2 changed files with 12 additions and 25 deletions
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25
arch/mips/include/asm/elf.h
View File

@ -211,19 +211,6 @@ typedef double elf_fpreg_t;
typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
#ifdef CONFIG_32BIT #ifdef CONFIG_32BIT
/*
* In order to be sure that we don't attempt to execute an O32 binary which
* requires 64 bit FP (FR=1) on a system which does not support it we refuse
* to execute any binary which has bits specified by the following macro set
* in its ELF header flags.
*/
#ifdef CONFIG_MIPS_O32_FP64_SUPPORT
# define __MIPS_O32_FP64_MUST_BE_ZERO 0
#else
# define __MIPS_O32_FP64_MUST_BE_ZERO EF_MIPS_FP64
#endif
/* /*
* This is used to ensure we don't load something for the wrong architecture. * This is used to ensure we don't load something for the wrong architecture.
*/ */
@ -290,6 +277,18 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
#endif /* !defined(ELF_ARCH) */ #endif /* !defined(ELF_ARCH) */
/*
* In order to be sure that we don't attempt to execute an O32 binary which
* requires 64 bit FP (FR=1) on a system which does not support it we refuse
* to execute any binary which has bits specified by the following macro set
* in its ELF header flags.
*/
#ifdef CONFIG_MIPS_O32_FP64_SUPPORT
# define __MIPS_O32_FP64_MUST_BE_ZERO 0
#else
# define __MIPS_O32_FP64_MUST_BE_ZERO EF_MIPS_FP64
#endif
#define mips_elf_check_machine(x) ((x)->e_machine == EM_MIPS) #define mips_elf_check_machine(x) ((x)->e_machine == EM_MIPS)
#define vmcore_elf32_check_arch mips_elf_check_machine #define vmcore_elf32_check_arch mips_elf_check_machine

12
arch/mips/kernel/binfmt_elfo32.c
View File

@ -27,18 +27,6 @@ typedef elf_greg_t elf_gregset_t[ELF_NGREG];
typedef double elf_fpreg_t; typedef double elf_fpreg_t;
typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
/*
* In order to be sure that we don't attempt to execute an O32 binary which
* requires 64 bit FP (FR=1) on a system which does not support it we refuse
* to execute any binary which has bits specified by the following macro set
* in its ELF header flags.
*/
#ifdef CONFIG_MIPS_O32_FP64_SUPPORT
# define __MIPS_O32_FP64_MUST_BE_ZERO 0
#else
# define __MIPS_O32_FP64_MUST_BE_ZERO EF_MIPS_FP64
#endif
/* /*
* This is used to ensure we don't load something for the wrong architecture. * This is used to ensure we don't load something for the wrong architecture.
*/ */