X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fx86_64%2Fia32%2Fia32_binfmt.c;h=725dc397338fd8f5f8eeae1934705157cf7d1f35;hb=refs%2Fheads%2Fvserver;hp=4cccf135d599438599defd178471993a3107897f;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/arch/x86_64/ia32/ia32_binfmt.c b/arch/x86_64/ia32/ia32_binfmt.c
index 4cccf135d..725dc3973 100644
--- a/arch/x86_64/ia32/ia32_binfmt.c
+++ b/arch/x86_64/ia32/ia32_binfmt.c
@@ -6,7 +6,6 @@
  * of ugly preprocessor tricks. Talk about very very poor man's inheritance.
  */ 
 #include <linux/types.h>
-#include <linux/config.h> 
 #include <linux/stddef.h>
 #include <linux/rwsem.h>
 #include <linux/sched.h>
@@ -58,57 +57,13 @@ struct elf_phdr;
 
 #define USE_ELF_CORE_DUMP 1
 
-/* Overwrite elfcore.h */ 
+/* Override elfcore.h */ 
 #define _LINUX_ELFCORE_H 1
 typedef unsigned int elf_greg_t;
 
 #define ELF_NGREG (sizeof (struct user_regs_struct32) / sizeof(elf_greg_t))
 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
 
-/*
- * These macros parameterize elf_core_dump in fs/binfmt_elf.c to write out
- * extra segments containing the vsyscall DSO contents.  Dumping its
- * contents makes post-mortem fully interpretable later without matching up
- * the same kernel and hardware config to see what PC values meant.
- * 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		(VSYSCALL32_EHDR->e_phnum)
-#define ELF_CORE_WRITE_EXTRA_PHDRS					      \
-do {									      \
-	const struct elf32_phdr *const vsyscall_phdrs =			      \
-		(const struct elf32_phdr *) (VSYSCALL32_BASE		      \
-					   + VSYSCALL32_EHDR->e_phoff);	      \
-	int i;								      \
-	Elf32_Off ofs = 0;						      \
-	for (i = 0; i < VSYSCALL32_EHDR->e_phnum; ++i) {		      \
-		struct elf32_phdr phdr = vsyscall_phdrs[i];		      \
-		if (phdr.p_type == PT_LOAD) {				      \
-			BUG_ON(ofs != 0);				      \
-			ofs = phdr.p_offset = offset;			      \
-			phdr.p_memsz = PAGE_ALIGN(phdr.p_memsz);	      \
-			phdr.p_filesz = phdr.p_memsz;			      \
-			offset += phdr.p_filesz;			      \
-		}							      \
-		else							      \
-			phdr.p_offset += ofs;				      \
-		phdr.p_paddr = 0; /* match other core phdrs */		      \
-		DUMP_WRITE(&phdr, sizeof(phdr));			      \
-	}								      \
-} while (0)
-#define ELF_CORE_WRITE_EXTRA_DATA					      \
-do {									      \
-	const struct elf32_phdr *const vsyscall_phdrs =			      \
-		(const struct elf32_phdr *) (VSYSCALL32_BASE		      \
-					   + VSYSCALL32_EHDR->e_phoff);	      \
-	int i;								      \
-	for (i = 0; i < VSYSCALL32_EHDR->e_phnum; ++i) {		      \
-		if (vsyscall_phdrs[i].p_type == PT_LOAD)		      \
-			DUMP_WRITE((void *) (u64) vsyscall_phdrs[i].p_vaddr,	      \
-				   PAGE_ALIGN(vsyscall_phdrs[i].p_memsz));    \
-	}								      \
-} while (0)
-
 struct elf_siginfo
 {
 	int	si_signo;			/* signal number */
@@ -182,7 +137,7 @@ struct elf_prpsinfo
 #define user user32
 
 #define __ASM_X86_64_ELF_H 1
-#define elf_read_implies_exec(ex, have_pt_gnu_stack)	(!(have_pt_gnu_stack))
+#define elf_read_implies_exec(ex, executable_stack)     (executable_stack != EXSTACK_DISABLE_X)
 //#include <asm/ia32.h>
 #include <linux/elf.h>
 
@@ -247,8 +202,6 @@ elf_core_copy_task_xfpregs(struct task_struct *t, elf_fpxregset_t *xfpu)
 #define elf_check_arch(x) \
 	((x)->e_machine == EM_386)
 
-extern int force_personality32;
-
 #define ELF_EXEC_PAGESIZE PAGE_SIZE
 #define ELF_HWCAP (boot_cpu_data.x86_capability[0])
 #define ELF_PLATFORM  ("i686")
@@ -262,8 +215,6 @@ do {							\
 		set_thread_flag(TIF_ABI_PENDING);		\
 	else							\
 		clear_thread_flag(TIF_ABI_PENDING);		\
-	/* XXX This overwrites the user set personality */	\
-	current->personality |= force_personality32;		\
 } while (0)
 
 /* Override some function names */
@@ -301,13 +252,11 @@ MODULE_AUTHOR("Eric Youngdale, Andi Kleen");
 #undef MODULE_DESCRIPTION
 #undef MODULE_AUTHOR
 
-#define elf_addr_t __u32
-
 static void elf32_init(struct pt_regs *);
 
 #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
 #define arch_setup_additional_pages syscall32_setup_pages
-extern int syscall32_setup_pages(struct linux_binprm *, int exstack);
+extern int syscall32_setup_pages(struct linux_binprm *, int exstack, unsigned long start_code, unsigned long interp_map_address);
 
 #include "../../../fs/binfmt_elf.c" 
 
@@ -339,7 +288,7 @@ int ia32_setup_arg_pages(struct linux_binprm *bprm, unsigned long stack_top,
 	struct mm_struct *mm = current->mm;
 	int i, ret;
 
-	stack_base = IA32_STACK_TOP - MAX_ARG_PAGES * PAGE_SIZE;
+	stack_base = stack_top - MAX_ARG_PAGES * PAGE_SIZE;
 	mm->arg_start = bprm->p + stack_base;
 
 	bprm->p += stack_base;
@@ -347,7 +296,7 @@ int ia32_setup_arg_pages(struct linux_binprm *bprm, unsigned long stack_top,
 		bprm->loader += stack_base;
 	bprm->exec += stack_base;
 
-	mpnt = kmem_cache_alloc(vm_area_cachep, SLAB_KERNEL);
+	mpnt = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
 	if (!mpnt) 
 		return -ENOMEM; 
 
@@ -357,7 +306,7 @@ int ia32_setup_arg_pages(struct linux_binprm *bprm, unsigned long stack_top,
 	{
 		mpnt->vm_mm = mm;
 		mpnt->vm_start = PAGE_MASK & (unsigned long) bprm->p;
-		mpnt->vm_end = IA32_STACK_TOP;
+		mpnt->vm_end = stack_top;
 		if (executable_stack == EXSTACK_ENABLE_X)
 			mpnt->vm_flags = VM_STACK_FLAGS |  VM_EXEC;
 		else if (executable_stack == EXSTACK_DISABLE_X)