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Merge branch 'frv' (FRV patches from David Howells) 

Merge emailed FRV fixes from David Howells.

* frv:
  FRV: Fix linux/elf-fdpic.h
  FRV: Fix const sections change
  FRV: Fix incorrect symbol in copy_thread()
  FRV: Fix VLIW packing constraint violation in entry.S
This commit is contained in:
Linus Torvalds 2012-10-16 18:49:22 -07:00
parent 85eae82a08 0c552e5fb9
commit 90a24a4a7e
5 changed files with 59 additions and 42 deletions
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4
arch/frv/kernel/entry.S
View File

@ -867,8 +867,8 @@ ret_from_fork:
ret_from_kernel_thread:
lddi.p @(gr28,#REG_GR(8)),gr20
call schedule_tail
or.p gr20,gr20,gr8
calll @(gr21,gr0)
calll.p @(gr21,gr0)
or gr20,gr20,gr8
bra sys_exit
.globl ret_from_kernel_execve

2
arch/frv/kernel/process.c
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@ -194,7 +194,7 @@ int copy_thread(unsigned long clone_flags,
memset(childregs, 0, sizeof(struct pt_regs));
childregs->gr9 = usp; /* function */
childregs->gr8 = arg;
chilregs->psr = PSR_S;
childregs->psr = PSR_S;
p->thread.pc = (unsigned long) ret_from_kernel_thread;
save_user_regs(p->thread.user);
return 0;

2
arch/frv/kernel/setup.c
View File

@ -112,9 +112,11 @@ char __initdata redboot_command_line[COMMAND_LINE_SIZE];
#ifdef CONFIG_PM
#define __pminit
#define __pminitdata
#define __pminitconst
#else
#define __pminit __init
#define __pminitdata __initdata
#define __pminitconst __initconst
#endif
struct clock_cmode {

51
include/linux/elf-fdpic.h Normal file
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@ -0,0 +1,51 @@
/* FDPIC ELF load map
*
* Copyright (C) 2003 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.
*/
#ifndef _LINUX_ELF_FDPIC_H
#define _LINUX_ELF_FDPIC_H
#include <uapi/linux/elf-fdpic.h>
/*
* binfmt binary parameters structure
*/
struct elf_fdpic_params {
struct elfhdr hdr; /* ref copy of ELF header */
struct elf_phdr *phdrs; /* ref copy of PT_PHDR table */
struct elf32_fdpic_loadmap *loadmap; /* loadmap to be passed to userspace */
unsigned long elfhdr_addr; /* mapped ELF header user address */
unsigned long ph_addr; /* mapped PT_PHDR user address */
unsigned long map_addr; /* mapped loadmap user address */
unsigned long entry_addr; /* mapped entry user address */
unsigned long stack_size; /* stack size requested (PT_GNU_STACK) */
unsigned long dynamic_addr; /* mapped PT_DYNAMIC user address */
unsigned long load_addr; /* user address at which to map binary */
unsigned long flags;
#define ELF_FDPIC_FLAG_ARRANGEMENT 0x0000000f /* PT_LOAD arrangement flags */
#define ELF_FDPIC_FLAG_INDEPENDENT 0x00000000 /* PT_LOADs can be put anywhere */
#define ELF_FDPIC_FLAG_HONOURVADDR 0x00000001 /* PT_LOAD.vaddr must be honoured */
#define ELF_FDPIC_FLAG_CONSTDISP 0x00000002 /* PT_LOADs require constant
* displacement */
#define ELF_FDPIC_FLAG_CONTIGUOUS 0x00000003 /* PT_LOADs should be contiguous */
#define ELF_FDPIC_FLAG_EXEC_STACK 0x00000010 /* T if stack to be executable */
#define ELF_FDPIC_FLAG_NOEXEC_STACK 0x00000020 /* T if stack not to be executable */
#define ELF_FDPIC_FLAG_EXECUTABLE 0x00000040 /* T if this object is the executable */
#define ELF_FDPIC_FLAG_PRESENT 0x80000000 /* T if this object is present */
};
#ifdef CONFIG_MMU
extern 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);
#endif
#endif /* _LINUX_ELF_FDPIC_H */

42
include/uapi/linux/elf-fdpic.h
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@ -9,8 +9,8 @@
* 2 of the License, or (at your option) any later version.
*/
#ifndef _LINUX_ELF_FDPIC_H
#define _LINUX_ELF_FDPIC_H
#ifndef _UAPI_LINUX_ELF_FDPIC_H
#define _UAPI_LINUX_ELF_FDPIC_H
#include <linux/elf.h>
@ -31,40 +31,4 @@ struct elf32_fdpic_loadmap {
#define ELF32_FDPIC_LOADMAP_VERSION 0x0000
#ifndef __KERNEL__
/*
* binfmt binary parameters structure
*/
struct elf_fdpic_params {
struct elfhdr hdr; /* ref copy of ELF header */
struct elf_phdr *phdrs; /* ref copy of PT_PHDR table */
struct elf32_fdpic_loadmap *loadmap; /* loadmap to be passed to userspace */
unsigned long elfhdr_addr; /* mapped ELF header user address */
unsigned long ph_addr; /* mapped PT_PHDR user address */
unsigned long map_addr; /* mapped loadmap user address */
unsigned long entry_addr; /* mapped entry user address */
unsigned long stack_size; /* stack size requested (PT_GNU_STACK) */
unsigned long dynamic_addr; /* mapped PT_DYNAMIC user address */
unsigned long load_addr; /* user address at which to map binary */
unsigned long flags;
#define ELF_FDPIC_FLAG_ARRANGEMENT 0x0000000f /* PT_LOAD arrangement flags */
#define ELF_FDPIC_FLAG_INDEPENDENT 0x00000000 /* PT_LOADs can be put anywhere */
#define ELF_FDPIC_FLAG_HONOURVADDR 0x00000001 /* PT_LOAD.vaddr must be honoured */
#define ELF_FDPIC_FLAG_CONSTDISP 0x00000002 /* PT_LOADs require constant
* displacement */
#define ELF_FDPIC_FLAG_CONTIGUOUS 0x00000003 /* PT_LOADs should be contiguous */
#define ELF_FDPIC_FLAG_EXEC_STACK 0x00000010 /* T if stack to be executable */
#define ELF_FDPIC_FLAG_NOEXEC_STACK 0x00000020 /* T if stack not to be executable */
#define ELF_FDPIC_FLAG_EXECUTABLE 0x00000040 /* T if this object is the executable */
#define ELF_FDPIC_FLAG_PRESENT 0x80000000 /* T if this object is present */
};
#ifdef CONFIG_MMU
extern 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);
#endif
#endif /* __KERNEL__ */
#endif /* _LINUX_ELF_FDPIC_H */
#endif /* _UAPI_LINUX_ELF_FDPIC_H */