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openwrt-xburst/target/linux/generic-2.4/patches/108-optional_aout_support.patch
florian 55877ca580 [brcm-2.4] update to 2.4.37, tested on wrt54gs (#4766) 
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@16144 3c298f89-4303-0410-b956-a3cf2f4a3e73
2009-05-28 15:55:54 +00:00

650 lines
21 KiB
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--- a/Documentation/Configure.help
+++ b/Documentation/Configure.help
@@ -4701,6 +4701,12 @@ CONFIG_BINFMT_ELF
ld.so (check the file <file:Documentation/Changes> for location and
latest version).
+ELF binaries with a.out format interpreters or a.out libraries
+CONFIG_BINFMT_ELF_AOUT
+ The kernel may support ELF executables which use an a.out format
+ interpreter (dynamic linker) and/or a.out shared libraries, in
+ addition to the usual ELF-ELF setups. You shouldn't need this.
+
Kernel support for a.out binaries
CONFIG_BINFMT_AOUT
A.out (Assembler.OUTput) is a set of formats for libraries and
@@ -4714,13 +4720,11 @@ CONFIG_BINFMT_AOUT
warrant removing support. However its removal is a good idea if you
wish to ensure that absolutely none of your programs will use this
older executable format. If you don't know what to answer at this
- point then answer Y. If someone told you "You need a kernel with
+ point then answer N. If someone told you "You need a kernel with
QMAGIC support" then you'll have to say Y here. You may answer M to
compile a.out support as a module and later load the module when you
want to use a program or library in a.out format. The module will be
- called binfmt_aout.o. Saying M or N here is dangerous though,
- because some crucial programs on your system might still be in A.OUT
- format.
+ called binfmt_aout.o.
OSF/1 v4 readv/writev compatibility
CONFIG_OSF4_COMPAT
--- a/arch/alpha/config.in
+++ b/arch/alpha/config.in
@@ -315,6 +315,9 @@ if [ "$CONFIG_BINFMT_AOUT" != "n" ]; the
fi
bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
+if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
+ bool ' ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
+fi
tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
tristate 'Kernel support for Linux/Intel ELF binaries' CONFIG_BINFMT_EM86
source drivers/parport/Config.in
--- a/arch/alpha/defconfig
+++ b/arch/alpha/defconfig
@@ -72,6 +72,7 @@ CONFIG_KCORE_ELF=y
# CONFIG_KCORE_AOUT is not set
# CONFIG_BINFMT_AOUT is not set
CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_ELF_AOUT is not set
# CONFIG_BINFMT_MISC is not set
# CONFIG_BINFMT_EM86 is not set
--- a/arch/arm/config.in
+++ b/arch/arm/config.in
@@ -499,6 +499,9 @@ choice 'Kernel core (/proc/kcore) format
A.OUT CONFIG_KCORE_AOUT" ELF
tristate 'Kernel support for a.out binaries' CONFIG_BINFMT_AOUT
bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
+if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
+ bool ' ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
+fi
tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
dep_bool 'Power Management support (experimental)' CONFIG_PM $CONFIG_EXPERIMENTAL
dep_tristate 'RISC OS personality' CONFIG_ARTHUR $CONFIG_CPU_32
--- a/arch/arm/defconfig
+++ b/arch/arm/defconfig
@@ -83,8 +83,9 @@ CONFIG_SYSCTL=y
CONFIG_NWFPE=y
CONFIG_KCORE_ELF=y
# CONFIG_KCORE_AOUT is not set
-CONFIG_BINFMT_AOUT=y
+# CONFIG_BINFMT_AOUT is not set
CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_ELF_AOUT is not set
# CONFIG_BINFMT_MISC is not set
# CONFIG_PM is not set
# CONFIG_ARTHUR is not set
--- a/arch/cris/config.in
+++ b/arch/cris/config.in
@@ -31,6 +31,9 @@ bool 'BSD Process Accounting' CONFIG_BSD
bool 'Sysctl support' CONFIG_SYSCTL
bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
+if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
+ bool ' ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
+fi
string 'Kernel command line' CONFIG_ETRAX_CMDLINE "root=/dev/mtdblock3"
--- a/arch/cris/defconfig
+++ b/arch/cris/defconfig
@@ -18,6 +18,7 @@ CONFIG_SYSVIPC=y
# CONFIG_BSD_PROCESS_ACCT is not set
# CONFIG_SYSCTL is not set
CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_ELF_AOUT is not set
# CONFIG_ETRAX_KGDB is not set
# CONFIG_ETRAX_WATCHDOG is not set
--- a/arch/i386/config.in
+++ b/arch/i386/config.in
@@ -345,6 +345,9 @@ if [ "$CONFIG_PROC_FS" = "y" ]; then
fi
tristate 'Kernel support for a.out binaries' CONFIG_BINFMT_AOUT
bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
+if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
+ bool ' ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
+fi
tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
bool 'Select task to kill on out of memory condition' CONFIG_OOM_KILLER
--- a/arch/i386/defconfig
+++ b/arch/i386/defconfig
@@ -115,9 +115,10 @@ CONFIG_SYSVIPC=y
CONFIG_SYSCTL=y
CONFIG_KCORE_ELF=y
# CONFIG_KCORE_AOUT is not set
-CONFIG_BINFMT_AOUT=y
+# CONFIG_BINFMT_AOUT is not set
CONFIG_BINFMT_ELF=y
-CONFIG_BINFMT_MISC=y
+# CONFIG_BINFMT_ELF_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
# CONFIG_OOM_KILLER is not set
CONFIG_PM=y
# CONFIG_APM is not set
--- a/arch/ia64/config.in
+++ b/arch/ia64/config.in
@@ -124,6 +124,9 @@ bool 'System V IPC' CONFIG_SYSVIPC
bool 'BSD Process Accounting' CONFIG_BSD_PROCESS_ACCT
bool 'Sysctl support' CONFIG_SYSCTL
bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
+if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
+ bool ' ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
+fi
tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
if [ "$CONFIG_IA64_HP_SIM" = "n" ]; then
--- a/arch/ia64/defconfig
+++ b/arch/ia64/defconfig
@@ -60,6 +60,7 @@ CONFIG_SYSVIPC=y
# CONFIG_BSD_PROCESS_ACCT is not set
CONFIG_SYSCTL=y
CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_ELF_AOUT is not set
# CONFIG_BINFMT_MISC is not set
CONFIG_ACPI=y
CONFIG_ACPI_EFI=y
--- a/arch/m68k/config.in
+++ b/arch/m68k/config.in
@@ -99,6 +99,9 @@ if [ "$CONFIG_PROC_FS" = "y" ]; then
fi
tristate 'Kernel support for a.out binaries' CONFIG_BINFMT_AOUT
bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
+if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
+ bool ' ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
+fi
tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
if [ "$CONFIG_AMIGA" = "y" ]; then
--- a/arch/m68k/defconfig
+++ b/arch/m68k/defconfig
@@ -44,8 +44,9 @@ CONFIG_SYSVIPC=y
CONFIG_SYSCTL=y
CONFIG_KCORE_ELF=y
# CONFIG_KCORE_AOUT is not set
-CONFIG_BINFMT_AOUT=y
+# CONFIG_BINFMT_AOUT is not set
CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_ELF_AOUT is not set
# CONFIG_BINFMT_MISC is not set
CONFIG_ZORRO=y
# CONFIG_AMIGA_PCMCIA is not set
--- a/arch/mips/config-shared.in
+++ b/arch/mips/config-shared.in
@@ -873,6 +873,9 @@ define_bool CONFIG_KCORE_ELF y
define_bool CONFIG_KCORE_AOUT n
define_bool CONFIG_BINFMT_AOUT n
bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
+if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
+ bool ' ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
+fi
dep_bool 'Kernel support for Linux/MIPS 32-bit binary compatibility' CONFIG_MIPS32_COMPAT $CONFIG_MIPS64
dep_bool 'Kernel support for o32 binaries' CONFIG_MIPS32_O32 $CONFIG_MIPS32_COMPAT
dep_bool 'Kernel support for n32 binaries' CONFIG_MIPS32_N32 $CONFIG_MIPS32_COMPAT
--- a/arch/mips/defconfig
+++ b/arch/mips/defconfig
@@ -143,6 +143,7 @@ CONFIG_KCORE_ELF=y
# CONFIG_KCORE_AOUT is not set
# CONFIG_BINFMT_AOUT is not set
CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_ELF_AOUT is not set
# CONFIG_MIPS32_COMPAT is not set
# CONFIG_MIPS32_O32 is not set
# CONFIG_MIPS32_N32 is not set
--- a/arch/mips/kernel/irixelf.c
+++ b/arch/mips/kernel/irixelf.c
@@ -8,6 +8,7 @@
* Copyright 1993, 1994: Eric Youngdale (ericy@cais.com).
*/
+#include <linux/config.h>
#include <linux/module.h>
#include <linux/fs.h>
@@ -48,7 +49,12 @@ static int irix_core_dump(long signr, st
extern int dump_fpu (elf_fpregset_t *);
static struct linux_binfmt irix_format = {
- NULL, THIS_MODULE, load_irix_binary, load_irix_library,
+ NULL, THIS_MODULE, load_irix_binary,
+#ifdef CONFIG_BINFMT_ELF_AOUT
+ load_irix_library,
+#else
+ NULL,
+#endif
irix_core_dump, PAGE_SIZE
};
@@ -794,6 +800,7 @@ out_free_ph:
goto out;
}
+#ifdef CONFIG_BINFMT_ELF_AOUT
/* This is really simpleminded and specialized - we are loading an
* a.out library that is given an ELF header.
*/
@@ -873,6 +880,7 @@ static int load_irix_library(struct file
kfree(elf_phdata);
return 0;
}
+#endif
/* Called through irix_syssgi() to map an elf image given an FD,
* a phdr ptr USER_PHDRP in userspace, and a count CNT telling how many
--- a/arch/mips64/defconfig
+++ b/arch/mips64/defconfig
@@ -147,6 +147,7 @@ CONFIG_KCORE_ELF=y
# CONFIG_KCORE_AOUT is not set
# CONFIG_BINFMT_AOUT is not set
CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_ELF_AOUT is not set
CONFIG_MIPS32_COMPAT=y
CONFIG_MIPS32_O32=y
# CONFIG_MIPS32_N32 is not set
--- a/arch/parisc/config.in
+++ b/arch/parisc/config.in
@@ -89,6 +89,9 @@ bool 'BSD Process Accounting' CONFIG_BSD
bool 'Sysctl support' CONFIG_SYSCTL
define_bool CONFIG_KCORE_ELF y
bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
+if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
+ bool ' ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
+fi
tristate 'Kernel support for SOM binaries' CONFIG_BINFMT_SOM
tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
--- a/arch/parisc/defconfig
+++ b/arch/parisc/defconfig
@@ -56,6 +56,7 @@ CONFIG_SYSVIPC=y
CONFIG_SYSCTL=y
CONFIG_KCORE_ELF=y
CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_ELF_AOUT is not set
CONFIG_BINFMT_SOM=y
# CONFIG_BINFMT_MISC is not set
# CONFIG_PM is not set
--- a/arch/ppc/config.in
+++ b/arch/ppc/config.in
@@ -384,6 +384,7 @@ if [ "$CONFIG_PROC_FS" = "y" ]; then
fi
define_bool CONFIG_BINFMT_ELF y
define_bool CONFIG_KERNEL_ELF y
+bool 'ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
bool 'Select task to kill on out of memory condition' CONFIG_OOM_KILLER
--- a/arch/ppc/defconfig
+++ b/arch/ppc/defconfig
@@ -59,7 +59,8 @@ CONFIG_SYSVIPC=y
CONFIG_KCORE_ELF=y
CONFIG_BINFMT_ELF=y
CONFIG_KERNEL_ELF=y
-CONFIG_BINFMT_MISC=m
+# CONFIG_BINFMT_ELF_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
# CONFIG_OOM_KILLER is not set
CONFIG_PCI_NAMES=y
CONFIG_HOTPLUG=y
--- a/arch/ppc64/config.in
+++ b/arch/ppc64/config.in
@@ -82,6 +82,9 @@ if [ "$CONFIG_PROC_FS" = "y" ]; then
fi
bool 'Kernel support for 64 bit ELF binaries' CONFIG_BINFMT_ELF
+if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
+ bool ' ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
+fi
tristate 'Kernel support for 32 bit ELF binaries' CONFIG_BINFMT_ELF32
--- a/arch/ppc64/defconfig
+++ b/arch/ppc64/defconfig
@@ -56,6 +56,7 @@ CONFIG_SYSVIPC=y
# CONFIG_BSD_PROCESS_ACCT is not set
CONFIG_KCORE_ELF=y
CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_ELF_AOUT is not set
CONFIG_BINFMT_ELF32=y
# CONFIG_BINFMT_MISC is not set
CONFIG_PCI_NAMES=y
--- a/arch/s390/config.in
+++ b/arch/s390/config.in
@@ -58,6 +58,9 @@ bool 'BSD Process Accounting' CONFIG_BSD
bool 'Sysctl support' CONFIG_SYSCTL
define_bool CONFIG_KCORE_ELF y
bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
+if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
+ bool ' ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
+fi
tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
bool 'Show crashed user process info' CONFIG_PROCESS_DEBUG
bool 'Pseudo page fault support' CONFIG_PFAULT
--- a/arch/s390/defconfig
+++ b/arch/s390/defconfig
@@ -46,6 +46,7 @@ CONFIG_SYSVIPC=y
CONFIG_SYSCTL=y
CONFIG_KCORE_ELF=y
CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_ELF_AOUT is not set
# CONFIG_BINFMT_MISC is not set
# CONFIG_PROCESS_DEBUG is not set
CONFIG_PFAULT=y
--- a/arch/s390x/config.in
+++ b/arch/s390x/config.in
@@ -61,6 +61,9 @@ bool 'BSD Process Accounting' CONFIG_BSD
bool 'Sysctl support' CONFIG_SYSCTL
define_bool CONFIG_KCORE_ELF y
bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
+if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
+ bool ' ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
+fi
tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
bool 'Show crashed user process info' CONFIG_PROCESS_DEBUG
bool 'Pseudo page fault support' CONFIG_PFAULT
--- a/arch/s390x/defconfig
+++ b/arch/s390x/defconfig
@@ -47,6 +47,7 @@ CONFIG_SYSVIPC=y
CONFIG_SYSCTL=y
CONFIG_KCORE_ELF=y
CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_ELF_AOUT is not set
# CONFIG_BINFMT_MISC is not set
# CONFIG_PROCESS_DEBUG is not set
CONFIG_PFAULT=y
--- a/arch/sh/config.in
+++ b/arch/sh/config.in
@@ -283,6 +283,9 @@ if [ "$CONFIG_PROC_FS" = "y" ]; then
A.OUT CONFIG_KCORE_AOUT" ELF
fi
bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
+if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
+ bool ' ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
+fi
tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
bool 'Select task to kill on out of memory condition' CONFIG_OOM_KILLER
--- a/arch/sh/defconfig
+++ b/arch/sh/defconfig
@@ -48,6 +48,7 @@ CONFIG_CF_ENABLER=y
CONFIG_KCORE_ELF=y
# CONFIG_KCORE_AOUT is not set
CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_ELF_AOUT is not set
# CONFIG_BINFMT_MISC is not set
#
--- a/arch/sparc/config.in
+++ b/arch/sparc/config.in
@@ -74,6 +74,9 @@ if [ "$CONFIG_PROC_FS" = "y" ]; then
fi
tristate 'Kernel support for a.out binaries' CONFIG_BINFMT_AOUT
bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
+if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
+ bool ' ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
+fi
tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
bool 'SunOS binary emulation' CONFIG_SUNOS_EMUL
bool 'Select task to kill on out of memory condition' CONFIG_OOM_KILLER
--- a/arch/sparc/defconfig
+++ b/arch/sparc/defconfig
@@ -49,9 +49,10 @@ CONFIG_SYSVIPC=y
# CONFIG_BSD_PROCESS_ACCT is not set
CONFIG_SYSCTL=y
CONFIG_KCORE_ELF=y
-CONFIG_BINFMT_AOUT=y
+# CONFIG_BINFMT_AOUT is not set
CONFIG_BINFMT_ELF=y
-CONFIG_BINFMT_MISC=m
+# CONFIG_BINFMT_ELF_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
CONFIG_SUNOS_EMUL=y
# CONFIG_OOM_KILLER is not set
--- a/arch/sparc64/config.in
+++ b/arch/sparc64/config.in
@@ -79,6 +79,9 @@ if [ "$CONFIG_SPARC32_COMPAT" != "n" ];
bool ' Kernel support for 32-bit (ie. SunOS) a.out binaries' CONFIG_BINFMT_AOUT32
fi
bool 'Kernel support for 64-bit ELF binaries' CONFIG_BINFMT_ELF
+if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
+ bool ' ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
+fi
tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
bool 'SunOS binary emulation' CONFIG_SUNOS_EMUL
if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then
--- a/arch/sparc64/defconfig
+++ b/arch/sparc64/defconfig
@@ -70,7 +70,8 @@ CONFIG_SPARC32_COMPAT=y
CONFIG_BINFMT_ELF32=y
# CONFIG_BINFMT_AOUT32 is not set
CONFIG_BINFMT_ELF=y
-CONFIG_BINFMT_MISC=m
+# CONFIG_BINFMT_ELF_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
# CONFIG_SUNOS_EMUL is not set
CONFIG_SOLARIS_EMUL=m
# CONFIG_OOM_KILLER is not set
--- a/arch/x86_64/config.in
+++ b/arch/x86_64/config.in
@@ -118,6 +118,9 @@ if [ "$CONFIG_PROC_FS" = "y" ]; then
fi
#tristate 'Kernel support for a.out binaries' CONFIG_BINFMT_AOUT
bool 'Kernel support for ELF binaries' CONFIG_BINFMT_ELF
+if [ "$CONFIG_BINFMT_ELF" != "n" ]; then
+ bool ' ELF binaries with a.out format interpreters or a.out libraries' CONFIG_BINFMT_ELF_AOUT
+fi
tristate 'Kernel support for MISC binaries' CONFIG_BINFMT_MISC
bool 'Power Management support' CONFIG_PM
--- a/arch/x86_64/defconfig
+++ b/arch/x86_64/defconfig
@@ -67,6 +67,7 @@ CONFIG_SYSVIPC=y
CONFIG_SYSCTL=y
CONFIG_KCORE_ELF=y
CONFIG_BINFMT_ELF=y
+# CONFIG_BINFMT_ELF_AOUT is not set
# CONFIG_BINFMT_MISC is not set
CONFIG_PM=y
CONFIG_IA32_EMULATION=y
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -9,6 +9,7 @@
* Copyright 1993, 1994: Eric Youngdale (ericy@cais.com).
*/
+#include <linux/config.h>
#include <linux/module.h>
#include <linux/fs.h>
@@ -43,7 +44,9 @@
#include <linux/elf.h>
static int load_elf_binary(struct linux_binprm * bprm, struct pt_regs * regs);
+#ifdef CONFIG_BINFMT_ELF_AOUT
static int load_elf_library(struct file*);
+#endif
static unsigned long elf_map (struct file *, unsigned long, struct elf_phdr *, int, int);
extern int dump_fpu (struct pt_regs *, elf_fpregset_t *);
extern void dump_thread(struct pt_regs *, struct user *);
@@ -74,7 +77,13 @@ static int elf_core_dump(long signr, str
#define ELF_PAGEALIGN(_v) (((_v) + ELF_MIN_ALIGN - 1) & ~(ELF_MIN_ALIGN - 1))
static struct linux_binfmt elf_format = {
- NULL, THIS_MODULE, load_elf_binary, load_elf_library, elf_core_dump, ELF_EXEC_PAGESIZE
+ NULL, THIS_MODULE, load_elf_binary,
+#ifdef CONFIG_BINFMT_ELF_AOUT
+ load_elf_library,
+#else
+ NULL,
+#endif
+ elf_core_dump, ELF_EXEC_PAGESIZE
};
#define BAD_ADDR(x) ((unsigned long)(x) >= TASK_SIZE)
@@ -404,6 +413,7 @@ out:
return error;
}
+#ifdef CONFIG_BINFMT_ELF_AOUT
static unsigned long load_aout_interp(struct exec * interp_ex,
struct file * interpreter)
{
@@ -451,6 +461,7 @@ static unsigned long load_aout_interp(st
out:
return elf_entry;
}
+#endif
/*
* These are the functions used to load ELF style executables and shared
@@ -458,7 +469,9 @@ out:
*/
#define INTERPRETER_NONE 0
+#ifdef CONFIG_BINFMT_ELF_AOUT
#define INTERPRETER_AOUT 1
+#endif
#define INTERPRETER_ELF 2
@@ -482,7 +495,9 @@ static int load_elf_binary(struct linux_
struct elfhdr elf_ex;
struct elfhdr interp_elf_ex;
struct exec interp_ex;
+#ifdef CONFIG_BINFMT_ELF_AOUT
char passed_fileno[6];
+#endif
struct files_struct *files;
/* Get the exec-header */
@@ -612,6 +627,7 @@ static int load_elf_binary(struct linux_
/* Some simple consistency checks for the interpreter */
if (elf_interpreter) {
+#ifdef CONFIG_BINFMT_ELF_AOUT
interpreter_type = INTERPRETER_ELF | INTERPRETER_AOUT;
/* Now figure out which format our binary is */
@@ -619,6 +635,9 @@ static int load_elf_binary(struct linux_
(N_MAGIC(interp_ex) != ZMAGIC) &&
(N_MAGIC(interp_ex) != QMAGIC))
interpreter_type = INTERPRETER_ELF;
+#else
+ interpreter_type = INTERPRETER_ELF;
+#endif
if (memcmp(interp_elf_ex.e_ident, ELFMAG, SELFMAG) != 0)
interpreter_type &= ~INTERPRETER_ELF;
@@ -627,6 +646,7 @@ static int load_elf_binary(struct linux_
if (!interpreter_type)
goto out_free_dentry;
+#ifdef CONFIG_BINFMT_ELF_AOUT
/* Make sure only one type was selected */
if ((interpreter_type & INTERPRETER_ELF) &&
interpreter_type != INTERPRETER_ELF) {
@@ -634,6 +654,7 @@ static int load_elf_binary(struct linux_
// printk(KERN_WARNING "ELF: Ambiguous type, using ELF\n");
interpreter_type = INTERPRETER_ELF;
}
+#endif
/* Verify the interpreter has a valid arch */
if ((interpreter_type == INTERPRETER_ELF) &&
!elf_check_arch(&interp_elf_ex))
@@ -651,6 +672,7 @@ static int load_elf_binary(struct linux_
/* OK, we are done with that, now set up the arg stuff,
and then start this sucker up */
+#ifdef CONFIG_BINFMT_ELF_AOUT
if (!bprm->sh_bang) {
char * passed_p;
@@ -669,6 +691,7 @@ static int load_elf_binary(struct linux_
/* Executables without an interpreter also need a personality */
SET_PERSONALITY(elf_ex, ibcs2_interpreter);
}
+#endif
/* Flush all traces of the currently running executable */
retval = flush_old_exec(bprm);
@@ -817,10 +840,12 @@ static int load_elf_binary(struct linux_
padzero(elf_bss);
if (elf_interpreter) {
+#ifdef CONFIG_BINFMT_ELF_AOUT
if (interpreter_type == INTERPRETER_AOUT)
elf_entry = load_aout_interp(&interp_ex,
interpreter);
else
+#endif
elf_entry = load_elf_interp(&interp_elf_ex,
interpreter,
&interp_load_addr);
@@ -849,7 +874,9 @@ static int load_elf_binary(struct linux_
kfree(elf_phdata);
+#ifdef CONFIG_BINFMT_ELF_AOUT
if (interpreter_type != INTERPRETER_AOUT)
+#endif
sys_close(elf_exec_fileno);
set_binfmt(&elf_format);
@@ -863,10 +890,14 @@ static int load_elf_binary(struct linux_
&elf_ex,
load_addr, load_bias,
interp_load_addr,
+#ifdef CONFIG_BINFMT_ELF_AOUT
(interpreter_type == INTERPRETER_AOUT ? 0 : 1));
/* N.B. passed_fileno might not be initialized? */
if (interpreter_type == INTERPRETER_AOUT)
current->mm->arg_start += strlen(passed_fileno) + 1;
+#else
+ 1);
+#endif
current->mm->start_brk = current->mm->brk = elf_brk;
current->mm->end_code = end_code;
current->mm->start_code = start_code;
@@ -937,9 +968,9 @@ out_free_ph:
goto out;
}
+#ifdef CONFIG_BINFMT_ELF_AOUT
/* This is really simpleminded and specialized - we are loading an
a.out library that is given an ELF header. */
-
static int load_elf_library(struct file *file)
{
struct elf_phdr *elf_phdata;
@@ -1016,6 +1047,7 @@ out_free_ph:
out:
return error;
}
+#endif
/*
* Note that some platforms still use traditional core dumps and not
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -109,6 +109,7 @@ static inline void put_binfmt(struct lin
*/
asmlinkage long sys_uselib(const char * library)
{
+#if defined(CONFIG_BINFMT_AOUT) || defined(CONFIG_BINFMT_ELF_AOUT)
struct file * file;
struct nameidata nd;
int error;
@@ -155,6 +156,9 @@ out:
exit:
path_release(&nd);
goto out;
+#else
+ return -ENOSYS;
+#endif
}
/*
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