X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=include%2Fasm-i386%2Felf.h;h=d304ab4161ffc885af273bb4c6500a6692905a20;hb=3671df8572a299acff9c9cac2bf7279ee614d154;hp=45d21a0c95bf8127368f7fe273facaabf2f6a9ee;hpb=f0eef25339f92f7cd4aeea23d9ae97987a5a1e82;p=powerpc.git

diff --git a/include/asm-i386/elf.h b/include/asm-i386/elf.h
index 45d21a0c95..d304ab4161 100644
--- a/include/asm-i386/elf.h
+++ b/include/asm-i386/elf.h
@@ -88,16 +88,16 @@ typedef struct user_fxsr_struct elf_fpxregset_t;
 	pr_reg[4] = regs->edi;				\
 	pr_reg[5] = regs->ebp;				\
 	pr_reg[6] = regs->eax;				\
-	pr_reg[7] = regs->xds;				\
-	pr_reg[8] = regs->xes;				\
-	savesegment(fs,pr_reg[9]);			\
-	pr_reg[10] = regs->xgs;				\
+	pr_reg[7] = regs->xds & 0xffff;			\
+	pr_reg[8] = regs->xes & 0xffff;			\
+	pr_reg[9] = regs->xfs & 0xffff;			\
+	savesegment(gs,pr_reg[10]);			\
 	pr_reg[11] = regs->orig_eax;			\
 	pr_reg[12] = regs->eip;				\
-	pr_reg[13] = regs->xcs;				\
+	pr_reg[13] = regs->xcs & 0xffff;		\
 	pr_reg[14] = regs->eflags;			\
 	pr_reg[15] = regs->esp;				\
-	pr_reg[16] = regs->xss;
+	pr_reg[16] = regs->xss & 0xffff;
 
 /* This yields a mask that user programs can use to figure out what
    instruction set this CPU supports.  This could be done in user space,
@@ -133,84 +133,31 @@ extern int dump_task_extended_fpu (struct task_struct *, struct user_fxsr_struct
 #define ELF_CORE_COPY_XFPREGS(tsk, elf_xfpregs) dump_task_extended_fpu(tsk, elf_xfpregs)
 
 #define VDSO_HIGH_BASE		(__fix_to_virt(FIX_VDSO))
-#define VDSO_BASE		((unsigned long)current->mm->context.vdso)
-
-#ifdef CONFIG_COMPAT_VDSO
-# define VDSO_COMPAT_BASE	VDSO_HIGH_BASE
-# define VDSO_PRELINK		VDSO_HIGH_BASE
-#else
-# define VDSO_COMPAT_BASE	VDSO_BASE
-# define VDSO_PRELINK		0
-#endif
-
-#define VDSO_COMPAT_SYM(x) \
-		(VDSO_COMPAT_BASE + (unsigned long)(x) - VDSO_PRELINK)
+#define VDSO_CURRENT_BASE	((unsigned long)current->mm->context.vdso)
+#define VDSO_PRELINK		0
 
 #define VDSO_SYM(x) \
-		(VDSO_BASE + (unsigned long)(x) - VDSO_PRELINK)
+		(VDSO_CURRENT_BASE + (unsigned long)(x) - VDSO_PRELINK)
 
 #define VDSO_HIGH_EHDR		((const struct elfhdr *) VDSO_HIGH_BASE)
-#define VDSO_EHDR		((const struct elfhdr *) VDSO_COMPAT_BASE)
+#define VDSO_EHDR		((const struct elfhdr *) VDSO_CURRENT_BASE)
 
 extern void __kernel_vsyscall;
 
 #define VDSO_ENTRY		VDSO_SYM(&__kernel_vsyscall)
 
-#define ARCH_HAS_SETUP_ADDITIONAL_PAGES
 struct linux_binprm;
+
+#define ARCH_HAS_SETUP_ADDITIONAL_PAGES
 extern int arch_setup_additional_pages(struct linux_binprm *bprm,
                                        int executable_stack);
 
 extern unsigned int vdso_enabled;
 
-#define ARCH_DLINFO						\
-do if (vdso_enabled) {						\
-		NEW_AUX_ENT(AT_SYSINFO,	VDSO_ENTRY);		\
-		NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_COMPAT_BASE);	\
-} while (0)
-
-/*
- * 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		(VDSO_HIGH_EHDR->e_phnum)
-#define ELF_CORE_WRITE_EXTRA_PHDRS					      \
-do {									      \
-	const struct elf_phdr *const vsyscall_phdrs =			      \
-		(const struct elf_phdr *) (VDSO_HIGH_BASE		      \
-					   + VDSO_HIGH_EHDR->e_phoff);    \
-	int i;								      \
-	Elf32_Off ofs = 0;						      \
-	for (i = 0; i < VDSO_HIGH_EHDR->e_phnum; ++i) {		      \
-		struct elf_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 elf_phdr *const vsyscall_phdrs =			      \
-		(const struct elf_phdr *) (VDSO_HIGH_BASE		      \
-					   + VDSO_HIGH_EHDR->e_phoff);    \
-	int i;								      \
-	for (i = 0; i < VDSO_HIGH_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));    \
-	}								      \
+#define ARCH_DLINFO							\
+do if (vdso_enabled) {							\
+		NEW_AUX_ENT(AT_SYSINFO,	VDSO_ENTRY);			\
+		NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_CURRENT_BASE);	\
 } while (0)
 
 #endif