[SPARC64]: Fix allnoconfig build, based upon a patch from Roland Dreier.

- Make SUNOS_EMUL depend upon BINFMT_AOUT32
- Make SOLARIS_EMUL depend upon SPARC32_COMPAT
- Add CONFIG_COMPAT guards, where necessary.
Signed-off-by: David S. Miller <davem@redhat.com>

arch/sparc64/Kconfig

@@ -382,6 +382,7 @@ source "fs/Kconfig.binfmt"
 
 config SUNOS_EMUL
 	bool "SunOS binary emulation"
+	depends on BINFMT_AOUT32
 	help
 	  This allows you to run most SunOS binaries.  If you want to do this,
 	  say Y here and place appropriate files in /usr/gnemul/sunos. See
@@ -391,7 +392,7 @@ config SUNOS_EMUL
 
 config SOLARIS_EMUL
 	tristate "Solaris binary emulation (EXPERIMENTAL)"
-	depends on EXPERIMENTAL
+	depends on SPARC32_COMPAT && EXPERIMENTAL
 	help
 	  This is experimental code which will enable you to run (many)
 	  Solaris binaries on your SPARC Linux machine.

arch/sparc64/kernel/entry.S

@@ -1496,28 +1496,30 @@ sunos_getgid:
 	/* SunOS's execv() call only specifies the argv argument, the
 	 * environment settings are the same as the calling processes.
 	 */
-	.globl	sunos_execv, sys_execve, sys32_execve
+	.globl	sunos_execv
 sys_execve:
 	sethi		%hi(sparc_execve), %g1
 	ba,pt		%xcc, execve_merge
 	 or		%g1, %lo(sparc_execve), %g1
+#ifdef CONFIG_COMPAT
+	.globl	sys_execve
 sunos_execv:
 	stx		%g0, [%sp + PTREGS_OFF + PT_V9_I2]
+	.globl	sys32_execve
 sys32_execve:
 	sethi		%hi(sparc32_execve), %g1
 	or		%g1, %lo(sparc32_execve), %g1
+#endif
 execve_merge:
 	flushw
 	jmpl		%g1, %g0
 	 add		%sp, PTREGS_OFF, %o0
 
 	.globl	sys_pipe, sys_sigpause, sys_nis_syscall
-	.globl	sys_sigsuspend, sys_rt_sigsuspend, sys32_rt_sigsuspend
+	.globl	sys_sigsuspend, sys_rt_sigsuspend
 	.globl	sys_rt_sigreturn
-	.globl	sys32_sigreturn, sys32_rt_sigreturn
-	.globl	sys32_execve, sys_ptrace
-	.globl	sys_sigaltstack, sys32_sigaltstack
-	.globl	sys32_sigstack
+	.globl	sys_ptrace
+	.globl	sys_sigaltstack
 	.align	32
 sys_pipe:	ba,pt		%xcc, sparc_pipe
 		 add		%sp, PTREGS_OFF, %o0
@@ -1528,12 +1530,15 @@ sys_memory_ordering:
 		 add		%sp, PTREGS_OFF, %o1
 sys_sigaltstack:ba,pt		%xcc, do_sigaltstack
 		 add		%i6, STACK_BIAS, %o2
+#ifdef CONFIG_COMPAT
+	.globl	sys32_sigstack
 sys32_sigstack:	ba,pt		%xcc, do_sys32_sigstack
 		 mov		%i6, %o2
+	.globl	sys32_sigaltstack
 sys32_sigaltstack:
 		ba,pt		%xcc, do_sys32_sigaltstack
 		 mov		%i6, %o2
-
+#endif
 		.align		32
 sys_sigsuspend:	add		%sp, PTREGS_OFF, %o0
 		call		do_sigsuspend
@@ -1544,31 +1549,40 @@ sys_rt_sigsuspend: /* NOTE: %o0,%o1 have a correct value already */
 		call		do_rt_sigsuspend
 		 add		%o7, 1f-.-4, %o7
 		nop
+#ifdef CONFIG_COMPAT
+	.globl	sys32_rt_sigsuspend
 sys32_rt_sigsuspend: /* NOTE: %o0,%o1 have a correct value already */
 		srl		%o0, 0, %o0
 		add		%sp, PTREGS_OFF, %o2
 		call		do_rt_sigsuspend32
 		 add		%o7, 1f-.-4, %o7
+#endif
 		/* NOTE: %o0 has a correct value already */
 sys_sigpause:	add		%sp, PTREGS_OFF, %o1
 		call		do_sigpause
 		 add		%o7, 1f-.-4, %o7
 		nop
+#ifdef CONFIG_COMPAT
+	.globl	sys32_sigreturn
 sys32_sigreturn:
 		add		%sp, PTREGS_OFF, %o0
 		call		do_sigreturn32
 		 add		%o7, 1f-.-4, %o7
 		nop
+#endif
 sys_rt_sigreturn:
 		add		%sp, PTREGS_OFF, %o0
 		call		do_rt_sigreturn
 		 add		%o7, 1f-.-4, %o7
 		nop
+#ifdef CONFIG_COMPAT
+	.globl	sys32_rt_sigreturn
 sys32_rt_sigreturn:
 		add		%sp, PTREGS_OFF, %o0
 		call		do_rt_sigreturn32
 		 add		%o7, 1f-.-4, %o7
 		nop
+#endif
 sys_ptrace:	add		%sp, PTREGS_OFF, %o0
 		call		do_ptrace
 		 add		%o7, 1f-.-4, %o7

arch/sparc64/kernel/process.c

@@ -12,6 +12,7 @@
 
 #include <stdarg.h>
 
+#include <linux/config.h>
 #include <linux/errno.h>
 #include <linux/module.h>
 #include <linux/sched.h>
@@ -28,6 +29,7 @@
 #include <linux/config.h>
 #include <linux/reboot.h>
 #include <linux/delay.h>
+#include <linux/compat.h>
 #include <linux/init.h>
 
 #include <asm/oplib.h>
@@ -588,10 +590,13 @@ asmlinkage long sparc_do_fork(unsigned long clone_flags,
 
 	clone_flags &= ~CLONE_IDLETASK;
 
+#ifdef CONFIG_COMPAT
 	if (test_thread_flag(TIF_32BIT)) {
 		parent_tid_ptr = compat_ptr(regs->u_regs[UREG_I2]);
 		child_tid_ptr = compat_ptr(regs->u_regs[UREG_I4]);
-	} else {
+	} else
+#endif
+	{
 		parent_tid_ptr = (int __user *) regs->u_regs[UREG_I2];
 		child_tid_ptr = (int __user *) regs->u_regs[UREG_I4];
 	}

arch/sparc64/kernel/systbls.S

@@ -15,6 +15,7 @@
 	.text
 	.align	4
 
+#ifdef CONFIG_COMPAT
 	/* First, the 32-bit Linux native syscall table. */
 
 	.globl sys_call_table32
@@ -77,6 +78,8 @@ sys_call_table32:
 	.word sys_mq_timedsend, sys_mq_timedreceive, compat_sys_mq_notify, compat_sys_mq_getsetattr, sys_ni_syscall
 /*280*/	.word sys_ni_syscall, sys_ni_syscall, sys_ni_syscall
 
+#endif /* CONFIG_COMPAT */
+
 	/* Now the 64-bit native Linux syscall table. */
 
 	.align	4
@@ -85,7 +88,7 @@ sys_call_table64:
 sys_call_table:
 /*0*/	.word sys_restart_syscall, sparc_exit, sys_fork, sys_read, sys_write
 /*5*/	.word sys_open, sys_close, sys_wait4, sys_creat, sys_link
-/*10*/  .word sys_unlink, sunos_execv, sys_chdir, sys_chown, sys_mknod
+/*10*/  .word sys_unlink, sys_nis_syscall, sys_chdir, sys_chown, sys_mknod
 /*15*/	.word sys_chmod, sys_lchown, sparc_brk, sys_perfctr, sys_lseek
 /*20*/	.word sys_getpid, sys_capget, sys_capset, sys_setuid, sys_getuid
 /*25*/	.word sys_nis_syscall, sys_ptrace, sys_alarm, sys_sigaltstack, sys_nis_syscall

include/asm-sparc64/siginfo.h

@@ -14,8 +14,11 @@
 
 #ifdef __KERNEL__
 
+#include <linux/config.h>
 #include <linux/compat.h>
 
+#ifdef CONFIG_COMPAT
+
 typedef union sigval32 {
 	int sival_int;
 	u32 sival_ptr;
@@ -72,6 +75,7 @@ typedef struct siginfo32 {
 		} _sigpoll;
 	} _sifields;
 } siginfo_t32;
+#endif /* CONFIG_COMPAT */
 
 #endif /* __KERNEL__ */
 
@@ -85,6 +89,8 @@ typedef struct siginfo32 {
 
 #ifdef __KERNEL__
 
+#ifdef CONFIG_COMPAT
+
 typedef struct sigevent32 {
 	sigval_t32 sigev_value;
 	int sigev_signo;
@@ -101,6 +107,8 @@ typedef struct sigevent32 {
 
 extern int copy_siginfo_to_user32(siginfo_t32 __user *to, siginfo_t *from);
 
+#endif /* CONFIG_COMPAT */
+
 #endif /* __KERNEL__ */
 
 #endif

include/asm-sparc64/signal.h

@@ -6,6 +6,7 @@
 
 #ifdef __KERNEL__
 #ifndef __ASSEMBLY__
+#include <linux/config.h>
 #include <linux/personality.h>
 #include <linux/types.h>
 #include <linux/compat.h>
@@ -208,12 +209,15 @@ struct __new_sigaction {
 };
 
 #ifdef __KERNEL__
+
+#ifdef CONFIG_COMPAT
 struct __new_sigaction32 {
 	unsigned		sa_handler;
 	unsigned int    	sa_flags;
 	unsigned		sa_restorer;     /* not used by Linux/SPARC yet */
 	compat_sigset_t 	sa_mask;
 };
+#endif
 
 struct k_sigaction {
 	struct __new_sigaction 	sa;
@@ -229,6 +233,8 @@ struct __old_sigaction {
 };
 
 #ifdef __KERNEL__
+
+#ifdef CONFIG_COMPAT
 struct __old_sigaction32 {
 	unsigned		sa_handler;
 	compat_old_sigset_t  	sa_mask;
@@ -237,6 +243,8 @@ struct __old_sigaction32 {
 };
 #endif
 
+#endif
+
 typedef struct sigaltstack {
 	void			__user *ss_sp;
 	int			ss_flags;
@@ -244,11 +252,14 @@ typedef struct sigaltstack {
 } stack_t;
 
 #ifdef __KERNEL__
+
+#ifdef CONFIG_COMPAT
 typedef struct sigaltstack32 {
 	u32			ss_sp;
 	int			ss_flags;
 	compat_size_t		ss_size;
 } stack_t32;
+#endif
 
 struct signal_deliver_cookie {
 	int restart_syscall;

include/asm-sparc64/ttable.h

@@ -123,7 +123,11 @@
 #else
 #define SUNOS_SYSCALL_TRAP TRAP(sunos_syscall)
 #endif
+#ifdef CONFIG_COMPAT
 #define	LINUX_32BIT_SYSCALL_TRAP SYSCALL_TRAP(linux_sparc_syscall32, sys_call_table32)
+#else
+#define	LINUX_32BIT_SYSCALL_TRAP BTRAP(0x110)
+#endif
 #define LINUX_64BIT_SYSCALL_TRAP SYSCALL_TRAP(linux_sparc_syscall, sys_call_table64)
 #define GETCC_TRAP TRAP(getcc)
 #define SETCC_TRAP TRAP(setcc)