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Diffstat (limited to 'arch/frv/mm/elf-fdpic.c')
-rw-r--r--arch/frv/mm/elf-fdpic.c114
1 files changed, 0 insertions, 114 deletions
diff --git a/arch/frv/mm/elf-fdpic.c b/arch/frv/mm/elf-fdpic.c
deleted file mode 100644
index 46aa289c5102..000000000000
--- a/arch/frv/mm/elf-fdpic.c
+++ /dev/null
@@ -1,114 +0,0 @@
-/* elf-fdpic.c: ELF FDPIC memory layout management
- *
- * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/sched.h>
-#include <linux/sched/mm.h>
-#include <linux/mm.h>
-#include <linux/fs.h>
-#include <linux/elf-fdpic.h>
-#include <asm/mman.h>
-
-/*****************************************************************************/
-/*
- * lay out the userspace VM according to our grand design
- */
-#ifdef CONFIG_MMU
-void elf_fdpic_arch_lay_out_mm(struct elf_fdpic_params *exec_params,
- struct elf_fdpic_params *interp_params,
- unsigned long *start_stack,
- unsigned long *start_brk)
-{
- *start_stack = 0x02200000UL;
-
- /* if the only executable is a shared object, assume that it is an interpreter rather than
- * a true executable, and map it such that "ld.so --list" comes out right
- */
- if (!(interp_params->flags & ELF_FDPIC_FLAG_PRESENT) &&
- exec_params->hdr.e_type != ET_EXEC
- ) {
- exec_params->load_addr = PAGE_SIZE;
-
- *start_brk = 0x80000000UL;
- }
- else {
- exec_params->load_addr = 0x02200000UL;
-
- if ((exec_params->flags & ELF_FDPIC_FLAG_ARRANGEMENT) ==
- ELF_FDPIC_FLAG_INDEPENDENT
- ) {
- exec_params->flags &= ~ELF_FDPIC_FLAG_ARRANGEMENT;
- exec_params->flags |= ELF_FDPIC_FLAG_CONSTDISP;
- }
- }
-
-} /* end elf_fdpic_arch_lay_out_mm() */
-#endif
-
-/*****************************************************************************/
-/*
- * place non-fixed mmaps firstly in the bottom part of memory, working up, and then in the top part
- * of memory, working down
- */
-unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsigned long len,
- unsigned long pgoff, unsigned long flags)
-{
- struct vm_area_struct *vma;
- struct vm_unmapped_area_info info;
-
- if (len > TASK_SIZE)
- return -ENOMEM;
-
- /* handle MAP_FIXED */
- if (flags & MAP_FIXED)
- return addr;
-
- /* only honour a hint if we're not going to clobber something doing so */
- if (addr) {
- addr = PAGE_ALIGN(addr);
- vma = find_vma(current->mm, addr);
- if (TASK_SIZE - len >= addr &&
- (!vma || addr + len <= vm_start_gap(vma)))
- goto success;
- }
-
- /* search between the bottom of user VM and the stack grow area */
- info.flags = 0;
- info.length = len;
- info.low_limit = PAGE_SIZE;
- info.high_limit = (current->mm->start_stack - 0x00200000);
- info.align_mask = 0;
- info.align_offset = 0;
- addr = vm_unmapped_area(&info);
- if (!(addr & ~PAGE_MASK))
- goto success;
- VM_BUG_ON(addr != -ENOMEM);
-
- /* search from just above the WorkRAM area to the top of memory */
- info.low_limit = PAGE_ALIGN(0x80000000);
- info.high_limit = TASK_SIZE;
- addr = vm_unmapped_area(&info);
- if (!(addr & ~PAGE_MASK))
- goto success;
- VM_BUG_ON(addr != -ENOMEM);
-
-#if 0
- printk("[area] l=%lx (ENOMEM) f='%s'\n",
- len, filp ? filp->f_path.dentry->d_name.name : "");
-#endif
- return -ENOMEM;
-
- success:
-#if 0
- printk("[area] l=%lx ad=%lx f='%s'\n",
- len, addr, filp ? filp->f_path.dentry->d_name.name : "");
-#endif
- return addr;
-} /* end arch_get_unmapped_area() */