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Diffstat (limited to 'arch/mips/include/asm/elf.h')
-rw-r--r--arch/mips/include/asm/elf.h15
1 files changed, 11 insertions, 4 deletions
diff --git a/arch/mips/include/asm/elf.h b/arch/mips/include/asm/elf.h
index b01a6ff468e0..cefb7a596878 100644
--- a/arch/mips/include/asm/elf.h
+++ b/arch/mips/include/asm/elf.h
@@ -12,7 +12,6 @@
#include <linux/fs.h>
#include <uapi/linux/elf.h>
-#include <asm/cpu-info.h>
#include <asm/current.h>
/* ELF header e_flags defines. */
@@ -44,6 +43,7 @@
#define EF_MIPS_OPTIONS_FIRST 0x00000080
#define EF_MIPS_32BITMODE 0x00000100
#define EF_MIPS_FP64 0x00000200
+#define EF_MIPS_NAN2008 0x00000400
#define EF_MIPS_ABI 0x0000f000
#define EF_MIPS_ARCH 0xf0000000
@@ -305,7 +305,7 @@ do { \
\
current->thread.abi = &mips_abi; \
\
- current->thread.fpu.fcr31 = boot_cpu_data.fpu_csr31; \
+ mips_set_personality_nan(state); \
} while (0)
#endif /* CONFIG_32BIT */
@@ -367,7 +367,7 @@ do { \
else \
current->thread.abi = &mips_abi; \
\
- current->thread.fpu.fcr31 = boot_cpu_data.fpu_csr31; \
+ mips_set_personality_nan(state); \
\
p = personality(current->personality); \
if (p != PER_LINUX32 && p != PER_LINUX) \
@@ -432,6 +432,7 @@ extern int arch_setup_additional_pages(struct linux_binprm *bprm,
int uses_interp);
struct arch_elf_state {
+ int nan_2008;
int fp_abi;
int interp_fp_abi;
int overall_fp_mode;
@@ -440,17 +441,23 @@ struct arch_elf_state {
#define MIPS_ABI_FP_UNKNOWN (-1) /* Unknown FP ABI (kernel internal) */
#define INIT_ARCH_ELF_STATE { \
+ .nan_2008 = -1, \
.fp_abi = MIPS_ABI_FP_UNKNOWN, \
.interp_fp_abi = MIPS_ABI_FP_UNKNOWN, \
.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,
+extern int arch_check_elf(void *ehdr, bool has_interpreter, void *interp_ehdr,
struct arch_elf_state *state);
+extern void mips_set_personality_nan(struct arch_elf_state *state);
extern void mips_set_personality_fp(struct arch_elf_state *state);
#endif /* _ASM_ELF_H */