Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6: (108 commits)
  sh: Fix occasional flush_cache_4096() stack corruption.
  sh: Calculate shm alignment at runtime.
  sh: dma-mapping compile fixes.
  sh: Initial vsyscall page support.
  sh: Clean up PAGE_SIZE definition for assembly use.
  sh: Selective flush_cache_mm() flushing.
  sh: More intelligent entry_mask/way_size calculation.
  sh: Support for L2 cache on newer SH-4A CPUs.
  sh: Update kexec support for API changes.
  sh: Optimized readsl()/writesl() support.
  sh: Report movli.l/movco.l capabilities.
  sh: CPU flags in AT_HWCAP in ELF auxvt.
  sh: Add support for 4K stacks.
  sh: Enable /proc/kcore support.
  sh: stack debugging support.
  sh: select CONFIG_EMBEDDED.
  sh: machvec rework.
  sh: Solution Engine SH7343 board support.
  sh: SH7710VoIPGW board support.
  sh: Enable verbose BUG() support.
  ...

1 files changed, 26 insertions, 4 deletions

diff --git a/include/asm-sh/elf.h b/include/asm-sh/elf.h
index 1b63dfeea4f..3a07ab40ac4 100644
--- a/include/asm-sh/elf.h
+++ b/include/asm-sh/elf.h
@@ -1,6 +1,11 @@
 #ifndef __ASM_SH_ELF_H
 #define __ASM_SH_ELF_H
 
+#include <asm/processor.h>
+#include <asm/auxvec.h>
+#include <asm/ptrace.h>
+#include <asm/user.h>
+
 /* SH relocation types  */
 #define	R_SH_NONE		0
 #define	R_SH_DIR32		1
@@ -46,9 +51,6 @@
  * ELF register definitions..
  */
 
-#include <asm/ptrace.h>
-#include <asm/user.h>
-
 typedef unsigned long elf_greg_t;
 
 #define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
@@ -91,7 +93,7 @@ typedef struct user_fpu_struct elf_fpregset_t;
    instruction set this CPU supports.  This could be done in user space,
    but it's not easy, and we've already done it here.  */
 
-#define ELF_HWCAP	(0)
+#define ELF_HWCAP	(boot_cpu_data.flags)
 
 /* This yields a string that ld.so will use to load implementation
    specific libraries for optimization.  This is more specific in
@@ -119,4 +121,24 @@ extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *);
 #define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
 #endif
 
+#ifdef CONFIG_VSYSCALL
+/* vDSO has arch_setup_additional_pages */
+#define ARCH_HAS_SETUP_ADDITIONAL_PAGES
+struct linux_binprm;
+extern int arch_setup_additional_pages(struct linux_binprm *bprm,
+				       int executable_stack);
+
+extern unsigned int vdso_enabled;
+extern void __kernel_vsyscall;
+
+#define VDSO_BASE		((unsigned long)current->mm->context.vdso)
+#define VDSO_SYM(x)		(VDSO_BASE + (unsigned long)(x))
+
+#define ARCH_DLINFO						\
+do {								\
+	if (vdso_enabled)					\
+		NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE);	\
+} while (0)
+#endif /* CONFIG_VSYSCALL */
+
 #endif /* __ASM_SH_ELF_H */