diff options
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/elf.h | 14 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/signal.h | 5 | ||||
| -rw-r--r-- | arch/powerpc/include/uapi/asm/auxvec.h | 4 |
3 files changed, 21 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/elf.h b/arch/powerpc/include/asm/elf.h index 971589a21bc0..79f1c480b5eb 100644 --- a/arch/powerpc/include/asm/elf.h +++ b/arch/powerpc/include/asm/elf.h @@ -160,7 +160,7 @@ extern int arch_setup_additional_pages(struct linux_binprm *bprm, * even if DLINFO_ARCH_ITEMS goes to zero or is undefined. * update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */ -#define ARCH_DLINFO \ +#define COMMON_ARCH_DLINFO \ do { \ /* Handle glibc compatibility. */ \ NEW_AUX_ENT(AT_IGNOREPPC, AT_IGNOREPPC); \ @@ -173,6 +173,18 @@ do { \ ARCH_DLINFO_CACHE_GEOMETRY; \ } while (0) +#define ARCH_DLINFO \ +do { \ + COMMON_ARCH_DLINFO; \ + NEW_AUX_ENT(AT_MINSIGSTKSZ, get_min_sigframe_size()); \ +} while (0) + +#define COMPAT_ARCH_DLINFO \ +do { \ + COMMON_ARCH_DLINFO; \ + NEW_AUX_ENT(AT_MINSIGSTKSZ, get_min_sigframe_size_compat()); \ +} while (0) + /* Relocate the kernel image to @final_address */ void relocate(unsigned long final_address); diff --git a/arch/powerpc/include/asm/signal.h b/arch/powerpc/include/asm/signal.h index 99e1c6de27bc..922d43700fb4 100644 --- a/arch/powerpc/include/asm/signal.h +++ b/arch/powerpc/include/asm/signal.h @@ -9,4 +9,9 @@ struct pt_regs; void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags); +unsigned long get_min_sigframe_size_32(void); +unsigned long get_min_sigframe_size_64(void); +unsigned long get_min_sigframe_size(void); +unsigned long get_min_sigframe_size_compat(void); + #endif /* _ASM_POWERPC_SIGNAL_H */ diff --git a/arch/powerpc/include/uapi/asm/auxvec.h b/arch/powerpc/include/uapi/asm/auxvec.h index 7af21dc0e320..aa7c16215453 100644 --- a/arch/powerpc/include/uapi/asm/auxvec.h +++ b/arch/powerpc/include/uapi/asm/auxvec.h @@ -48,6 +48,8 @@ #define AT_L3_CACHESIZE 46 #define AT_L3_CACHEGEOMETRY 47 -#define AT_VECTOR_SIZE_ARCH 14 /* entries in ARCH_DLINFO */ +#define AT_MINSIGSTKSZ 51 /* stack needed for signal delivery */ + +#define AT_VECTOR_SIZE_ARCH 15 /* entries in ARCH_DLINFO */ #endif |