#include <asm/user.h>
#include <asm/processor.h>
#include <asm/system.h> /* for savesegment */
+#include <asm/auxvec.h>
+#include <asm/desc.h>
#include <linux/utsname.h>
For the moment, we have only optimizations for the Intel generations,
but that could change... */
-#define ELF_PLATFORM (system_utsname.machine)
-
-/*
- * Architecture-neutral AT_ values in 0-17, leave some room
- * for more of them, start the x86-specific ones at 32.
- */
-#define AT_SYSINFO 32
-#define AT_SYSINFO_EHDR 33
+#define ELF_PLATFORM (vx_new_uts(machine))
#ifdef __KERNEL__
#define SET_PERSONALITY(ex, ibcs2) do { } while (0)
*/
#define elf_read_implies_exec(ex, executable_stack) (executable_stack != EXSTACK_DISABLE_X)
+struct task_struct;
+
extern int dump_task_regs (struct task_struct *, elf_gregset_t *);
extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *);
extern int dump_task_extended_fpu (struct task_struct *, struct user_fxsr_struct *);
#define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
#define ELF_CORE_COPY_XFPREGS(tsk, elf_xfpregs) dump_task_extended_fpu(tsk, elf_xfpregs)
-#define VSYSCALL_BASE (__fix_to_virt(FIX_VSYSCALL))
-#define VSYSCALL_EHDR ((const struct elfhdr *) VSYSCALL_BASE)
-#define VSYSCALL_ENTRY ((unsigned long) &__kernel_vsyscall)
extern void __kernel_vsyscall;
-
-#define ARCH_DLINFO \
-do { \
- NEW_AUX_ENT(AT_SYSINFO, VSYSCALL_ENTRY); \
- NEW_AUX_ENT(AT_SYSINFO_EHDR, VSYSCALL_BASE); \
+#define VSYSCALL_BASE ((unsigned long)current->mm->context.vdso)
+#define VSYSCALL_EHDR ((const struct elfhdr *) VSYSCALL_BASE)
+#define VSYSCALL_OFFSET ((unsigned long) &__kernel_vsyscall)
+#define VSYSCALL_ENTRY (VSYSCALL_BASE + VSYSCALL_OFFSET)
+
+/* kernel-internal fixmap address: */
+#define __VSYSCALL_BASE (__fix_to_virt(FIX_VSYSCALL))
+#define __VSYSCALL_EHDR ((const struct elfhdr *) __VSYSCALL_BASE)
+
+#define ARCH_DLINFO \
+do { \
+ if (VSYSCALL_BASE) { \
+ NEW_AUX_ENT(AT_SYSINFO, VSYSCALL_ENTRY); \
+ NEW_AUX_ENT(AT_SYSINFO_EHDR, VSYSCALL_BASE); \
+ } \
} while (0)
+#define ARCH_HAS_SETUP_ADDITIONAL_PAGES
+struct linux_binprm;
+extern int arch_setup_additional_pages(struct linux_binprm *bprm,
+ int executable_stack, unsigned long start_code,
+ unsigned long interp_map_address);
+
+#if 0 /* Disabled for exec-shield, where a normal vma holds the vDSO. */
/*
* These macros parameterize elf_core_dump in fs/binfmt_elf.c to write out
* extra segments containing the vsyscall DSO contents. Dumping its
* Dumping its extra ELF program headers includes all the other information
* a debugger needs to easily find how the vsyscall DSO was being used.
*/
-#define ELF_CORE_EXTRA_PHDRS (VSYSCALL_EHDR->e_phnum)
+#define ELF_CORE_EXTRA_PHDRS (__VSYSCALL_EHDR->e_phnum)
#define ELF_CORE_WRITE_EXTRA_PHDRS \
do { \
const struct elf_phdr *const vsyscall_phdrs = \
- (const struct elf_phdr *) (VSYSCALL_BASE \
- + VSYSCALL_EHDR->e_phoff); \
+ (const struct elf_phdr *) (__VSYSCALL_BASE \
+ + __VSYSCALL_EHDR->e_phoff); \
int i; \
Elf32_Off ofs = 0; \
- for (i = 0; i < VSYSCALL_EHDR->e_phnum; ++i) { \
+ for (i = 0; i < __VSYSCALL_EHDR->e_phnum; ++i) { \
struct elf_phdr phdr = vsyscall_phdrs[i]; \
if (phdr.p_type == PT_LOAD) { \
BUG_ON(ofs != 0); \
#define ELF_CORE_WRITE_EXTRA_DATA \
do { \
const struct elf_phdr *const vsyscall_phdrs = \
- (const struct elf_phdr *) (VSYSCALL_BASE \
- + VSYSCALL_EHDR->e_phoff); \
+ (const struct elf_phdr *) (__VSYSCALL_BASE \
+ + __VSYSCALL_EHDR->e_phoff); \
int i; \
- for (i = 0; i < VSYSCALL_EHDR->e_phnum; ++i) { \
+ for (i = 0; i < __VSYSCALL_EHDR->e_phnum; ++i) { \
if (vsyscall_phdrs[i].p_type == PT_LOAD) \
DUMP_WRITE((void *) vsyscall_phdrs[i].p_vaddr, \
PAGE_ALIGN(vsyscall_phdrs[i].p_memsz)); \
} \
} while (0)
+#endif
#endif
+#define __HAVE_ARCH_RANDOMIZE_BRK
+extern void randomize_brk(unsigned long old_brk);
+
+#define __HAVE_ARCH_VSYSCALL
+extern void map_vsyscall(void);
+
#endif