diff options
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/Kconfig | 2 | ||||
| -rw-r--r-- | arch/mips/include/asm/elf.h | 26 | ||||
| -rw-r--r-- | arch/mips/kernel/elf.c | 4 |
3 files changed, 27 insertions, 5 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 5ea3dc4770ed..378379c098c9 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -2,7 +2,7 @@ config MIPS bool default y - select ARCH_BINFMT_ELF_STATE + select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT select ARCH_CLOCKSOURCE_DATA select ARCH_DISCARD_MEMBLOCK select ARCH_HAS_ELF_RANDOMIZE diff --git a/arch/mips/include/asm/elf.h b/arch/mips/include/asm/elf.h index 0eb1a75be105..f8f44b1a6cbb 100644 --- a/arch/mips/include/asm/elf.h +++ b/arch/mips/include/asm/elf.h @@ -481,6 +481,8 @@ struct linux_binprm; extern int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp); +#ifdef CONFIG_MIPS_FP_SUPPORT + struct arch_elf_state { int nan_2008; int fp_abi; @@ -497,19 +499,35 @@ struct arch_elf_state { .overall_fp_mode = -1, \ } -/* Whether to accept legacy-NaN and 2008-NaN user binaries. */ -extern bool mips_use_nan_legacy; -extern bool mips_use_nan_2008; - extern int arch_elf_pt_proc(void *ehdr, void *phdr, struct file *elf, bool is_interp, struct arch_elf_state *state); extern int arch_check_elf(void *ehdr, bool has_interpreter, void *interp_ehdr, struct arch_elf_state *state); +/* Whether to accept legacy-NaN and 2008-NaN user binaries. */ +extern bool mips_use_nan_legacy; +extern bool mips_use_nan_2008; + extern void mips_set_personality_nan(struct arch_elf_state *state); extern void mips_set_personality_fp(struct arch_elf_state *state); +#else /* !CONFIG_MIPS_FP_SUPPORT */ + +struct arch_elf_state; + +static inline void mips_set_personality_nan(struct arch_elf_state *state) +{ + /* no-op */ +} + +static inline void mips_set_personality_fp(struct arch_elf_state *state) +{ + /* no-op */ +} + +#endif /* !CONFIG_MIPS_FP_SUPPORT */ + #define elf_read_implies_exec(ex, stk) mips_elf_read_implies_exec(&(ex), stk) extern int mips_elf_read_implies_exec(void *elf_ex, int exstack); diff --git a/arch/mips/kernel/elf.c b/arch/mips/kernel/elf.c index 731325a61a78..72056d54a2b8 100644 --- a/arch/mips/kernel/elf.c +++ b/arch/mips/kernel/elf.c @@ -16,6 +16,8 @@ #include <asm/cpu-features.h> #include <asm/cpu-info.h> +#ifdef CONFIG_MIPS_FP_SUPPORT + /* Whether to accept legacy-NaN and 2008-NaN user binaries. */ bool mips_use_nan_legacy; bool mips_use_nan_2008; @@ -326,6 +328,8 @@ void mips_set_personality_nan(struct arch_elf_state *state) } } +#endif /* CONFIG_MIPS_FP_SUPPORT */ + int mips_elf_read_implies_exec(void *elf_ex, int exstack) { if (exstack != EXSTACK_DISABLE_X) { |