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Commit 48c946a4 authored by David S. Miller's avatar David S. Miller
Browse files

[SPARC64]: Make use of the new fs/compat_binfmt_elf.c 



Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2ba85f3a

arch/sparc64/Kconfig

+1 −7
Original line number Diff line number Diff line
@@ -380,13 +380,7 @@ config COMPAT 
	bool

	depends on SPARC32_COMPAT

	default y



config BINFMT_ELF32

	bool "Kernel support for 32-bit ELF binaries"

	depends on SPARC32_COMPAT

	help

	  This allows you to run 32-bit Linux/ELF binaries on your Ultra.

	  Everybody wants this; say Y.

	select COMPAT_BINFMT_ELF



config BINFMT_AOUT32

	bool "Kernel support for 32-bit (ie. SunOS) a.out binaries"

arch/sparc64/kernel/Makefile

+0 −1
Original line number Diff line number Diff line
@@ -21,7 +21,6 @@ obj-$(CONFIG_PCI) += ebus.o isa.o pci_common.o \ 
obj-$(CONFIG_PCI_MSI)	+= pci_msi.o

obj-$(CONFIG_SMP)	 += smp.o trampoline.o hvtramp.o

obj-$(CONFIG_SPARC32_COMPAT) += sys32.o sys_sparc32.o signal32.o

obj-$(CONFIG_BINFMT_ELF32) += binfmt_elf32.o

obj-$(CONFIG_BINFMT_AOUT32) += binfmt_aout32.o

obj-$(CONFIG_MODULES) += module.o

obj-$(CONFIG_US3_FREQ) += us3_cpufreq.o

arch/sparc64/kernel/binfmt_elf32.c

deleted100644 → 0
+0 −136
Original line number Diff line number Diff line 
/*

 * binfmt_elf32.c: Support 32-bit Sparc ELF binaries on Ultra.

 *

 * Copyright (C) 1995, 1996, 1997, 1998, 2008 David S. Miller (davem@davemloft.net)

 * Copyright (C) 1995, 1996, 1997, 1998 Jakub Jelinek	(jj@ultra.linux.cz)

 */



#define ELF_ARCH		EM_SPARC

#define ELF_CLASS		ELFCLASS32

#define ELF_DATA		ELFDATA2MSB;



/* Format is:

 * 	G0 --> G7

 *	O0 --> O7

 *	L0 --> L7

 *	I0 --> I7

 *	PSR, PC, nPC, Y, WIM, TBR

 */

typedef unsigned int elf_greg_t;

#define ELF_NGREG 38

typedef elf_greg_t elf_gregset_t[ELF_NGREG];



typedef struct {

	union {

		unsigned int	pr_regs[32];

		unsigned long	pr_dregs[16];

	} pr_fr;

	unsigned int __unused;

	unsigned int	pr_fsr;

	unsigned char	pr_qcnt;

	unsigned char	pr_q_entrysize;

	unsigned char	pr_en;

	unsigned int	pr_q[64];

} elf_fpregset_t;



/* UltraSparc extensions.  Still unused, but will be eventually.  */

typedef struct {

	unsigned int pr_type;

	unsigned int pr_align;

	union {

		struct {

			union {

				unsigned int	pr_regs[32];

				unsigned long	pr_dregs[16];

				long double	pr_qregs[8];

			} pr_xfr;

		} pr_v8p;

		unsigned int	pr_xfsr;

		unsigned int	pr_fprs;

		unsigned int	pr_xg[8];

		unsigned int	pr_xo[8];

		unsigned long	pr_tstate;

		unsigned int	pr_filler[8];

	} pr_un;

} elf_xregset_t;



#define elf_check_arch(x)	(((x)->e_machine == EM_SPARC) || ((x)->e_machine == EM_SPARC32PLUS))



#define ELF_ET_DYN_BASE         0x70000000





#include <asm/processor.h>

#include <linux/module.h>

#include <linux/elfcore.h>

#include <linux/compat.h>



#define elf_prstatus elf_prstatus32

struct elf_prstatus32

{

	struct elf_siginfo pr_info;	/* Info associated with signal */

	short	pr_cursig;		/* Current signal */

	unsigned int pr_sigpend;	/* Set of pending signals */

	unsigned int pr_sighold;	/* Set of held signals */

	pid_t	pr_pid;

	pid_t	pr_ppid;

	pid_t	pr_pgrp;

	pid_t	pr_sid;

	struct compat_timeval pr_utime;	/* User time */

	struct compat_timeval pr_stime;	/* System time */

	struct compat_timeval pr_cutime;	/* Cumulative user time */

	struct compat_timeval pr_cstime;	/* Cumulative system time */

	elf_gregset_t pr_reg;	/* GP registers */

	int pr_fpvalid;		/* True if math co-processor being used.  */

};



#define elf_prpsinfo elf_prpsinfo32

struct elf_prpsinfo32

{

	char	pr_state;	/* numeric process state */

	char	pr_sname;	/* char for pr_state */

	char	pr_zomb;	/* zombie */

	char	pr_nice;	/* nice val */

	unsigned int pr_flag;	/* flags */

	u16	pr_uid;

	u16	pr_gid;

	pid_t	pr_pid, pr_ppid, pr_pgrp, pr_sid;

	/* Lots missing */

	char	pr_fname[16];	/* filename of executable */

	char	pr_psargs[ELF_PRARGSZ];	/* initial part of arg list */

};



#include <linux/highuid.h>



#undef NEW_TO_OLD_UID

#undef NEW_TO_OLD_GID

#define NEW_TO_OLD_UID(uid) ((uid) > 65535) ? (u16)overflowuid : (u16)(uid)

#define NEW_TO_OLD_GID(gid) ((gid) > 65535) ? (u16)overflowgid : (u16)(gid)



#include <linux/time.h>



#undef cputime_to_timeval

#define cputime_to_timeval cputime_to_compat_timeval

static inline void

cputime_to_compat_timeval(const cputime_t cputime, struct compat_timeval *value)

{

	unsigned long jiffies = cputime_to_jiffies(cputime);

	value->tv_usec = (jiffies % HZ) * (1000000L / HZ);

	value->tv_sec = jiffies / HZ;

}



#undef start_thread

#define start_thread start_thread32

#define init_elf_binfmt init_elf32_binfmt



MODULE_DESCRIPTION("Binary format loader for compatibility with 32bit SparcLinux binaries on the Ultra");

MODULE_AUTHOR("Eric Youngdale, David S. Miller, Jakub Jelinek");



#undef MODULE_DESCRIPTION

#undef MODULE_AUTHOR



#include <asm/a.out.h>



#undef TASK_SIZE

#define TASK_SIZE STACK_TOP32



#include "../../../fs/binfmt_elf.c"

include/asm-sparc64/elf.h

+51 −8
Original line number Diff line number Diff line
@@ -75,7 +75,6 @@ 
/*

 * These are used to set parameters in the core dumps.

 */

#ifndef ELF_ARCH

#define ELF_ARCH		EM_SPARCV9

#define ELF_CLASS		ELFCLASS64

#define ELF_DATA		ELFDATA2MSB
@@ -100,14 +99,59 @@ typedef struct { 
	unsigned long	pr_gsr;

	unsigned long	pr_fprs;

} elf_fpregset_t;

#endif



/* Format of 32-bit elf_gregset_t is:

 * 	G0 --> G7

 *	O0 --> O7

 *	L0 --> L7

 *	I0 --> I7

 *	PSR, PC, nPC, Y, WIM, TBR

 */

typedef unsigned int compat_elf_greg_t;

#define COMPAT_ELF_NGREG 38

typedef compat_elf_greg_t compat_elf_gregset_t[COMPAT_ELF_NGREG];



typedef struct {

	union {

		unsigned int	pr_regs[32];

		unsigned long	pr_dregs[16];

	} pr_fr;

	unsigned int __unused;

	unsigned int	pr_fsr;

	unsigned char	pr_qcnt;

	unsigned char	pr_q_entrysize;

	unsigned char	pr_en;

	unsigned int	pr_q[64];

} compat_elf_fpregset_t;



/* UltraSparc extensions.  Still unused, but will be eventually.  */

typedef struct {

	unsigned int pr_type;

	unsigned int pr_align;

	union {

		struct {

			union {

				unsigned int	pr_regs[32];

				unsigned long	pr_dregs[16];

				long double	pr_qregs[8];

			} pr_xfr;

		} pr_v8p;

		unsigned int	pr_xfsr;

		unsigned int	pr_fprs;

		unsigned int	pr_xg[8];

		unsigned int	pr_xo[8];

		unsigned long	pr_tstate;

		unsigned int	pr_filler[8];

	} pr_un;

} elf_xregset_t;



/*

 * This is used to ensure we don't load something for the wrong architecture.

 */

#ifndef elf_check_arch

#define elf_check_arch(x) ((x)->e_machine == ELF_ARCH)	/* Might be EM_SPARCV9 or EM_SPARC */

#endif

#define elf_check_arch(x)		((x)->e_machine == ELF_ARCH)

#define compat_elf_check_arch(x)	((x)->e_machine == EM_SPARC || \

					 (x)->e_machine == EM_SPARC32PLUS)

#define compat_start_thread		start_thread32



#define USE_ELF_CORE_DUMP

#define ELF_EXEC_PAGESIZE	PAGE_SIZE
@@ -117,9 +161,8 @@ typedef struct { 
   the loader.  We need to make sure that it is out of the way of the program

   that it will "exec", and that there is sufficient room for the brk.  */



#ifndef ELF_ET_DYN_BASE

#define ELF_ET_DYN_BASE		0x0000010000000000UL

#endif

#define COMPAT_ELF_ET_DYN_BASE	0x0000000070000000UL





/* This yields a mask that user programs can use to figure out what