/*
* ELF register definitions..
*/
+#include <linux/thread_info.h>
#include <asm/ptrace.h>
#include <asm/user.h>
}
#define ELF_PLAT_INIT(_r, load_addr) \
-do { \
- elf_common_init(¤t->thread, _r, 0); \
- clear_thread_flag(TIF_IA32); \
-} while (0)
+ elf_common_init(¤t->thread, _r, 0)
#define COMPAT_ELF_PLAT_INIT(regs, load_addr) \
elf_common_init(¤t->thread, regs, __USER_DS)
void start_thread_ia32(struct pt_regs *regs, u32 new_ip, u32 new_sp);
#define compat_start_thread start_thread_ia32
-#define COMPAT_SET_PERSONALITY(ex) \
-do { \
- if (test_thread_flag(TIF_IA32)) \
- clear_thread_flag(TIF_ABI_PENDING); \
- else \
- set_thread_flag(TIF_ABI_PENDING); \
- current->personality |= force_personality32; \
-} while (0)
+void set_personality_ia32(void);
+#define COMPAT_SET_PERSONALITY(ex) set_personality_ia32()
#define COMPAT_ELF_PLATFORM ("i686")
extern unsigned long arch_randomize_brk(struct mm_struct *mm);
#define arch_randomize_brk arch_randomize_brk
+/*
+ * True on X86_32 or when emulating IA32 on X86_64
+ */
+static inline int mmap_is_ia32(void)
+{
+#ifdef CONFIG_X86_32
+ return 1;
+#endif
+#ifdef CONFIG_IA32_EMULATION
+ if (test_thread_flag(TIF_IA32))
+ return 1;
+#endif
+ return 0;
+}
+
+/* The first two values are special, do not change. See align_addr() */
+enum align_flags {
+ ALIGN_VA_32 = BIT(0),
+ ALIGN_VA_64 = BIT(1),
+ ALIGN_VDSO = BIT(2),
+ ALIGN_TOPDOWN = BIT(3),
+};
+
+struct va_alignment {
+ int flags;
+ unsigned long mask;
+} ____cacheline_aligned;
+
+extern struct va_alignment va_align;
+extern unsigned long align_addr(unsigned long, struct file *, enum align_flags);
#endif /* _ASM_X86_ELF_H */