aout: move STACK_TOP[_MAX] to asm/processor.h

Move STACK_TOP[_MAX] out of asm/a.out.h and into asm/processor.h as they're required whether or not A.OUT format is available. Signed-off-by: David Howells <dhowells@redhat.com> Cc: <linux-arch@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-08 04:19:26 -08:00 · 2008-02-08 04:19:26 -08:00 · 922a70d327
commit 922a70d327
parent 3eb056764d
39 changed files with 121 additions and 160 deletions
--- a/include/asm-alpha/a.out.h
+++ b/include/asm-alpha/a.out.h
@ -98,11 +98,5 @@ struct exec
 	set_personality (((BFPM->sh_bang || EX.ah.entry < 0x100000000L \
 			   ? ADDR_LIMIT_32BIT : 0) | PER_OSF4))

-#define STACK_TOP \
-  (current->personality & ADDR_LIMIT_32BIT ? 0x80000000 : 0x00120000000UL)
-
-#define STACK_TOP_MAX	0x00120000000UL
-
-#endif
-
+#endif /* __KERNEL__ */
 #endif /* __A_OUT_GNU_H__ */
--- a/include/asm-alpha/processor.h
+++ b/include/asm-alpha/processor.h
@ -20,6 +20,11 @@
 */
 #define TASK_SIZE (0x40000000000UL)

+#define STACK_TOP \
+  (current->personality & ADDR_LIMIT_32BIT ? 0x80000000 : 0x00120000000UL)
+
+#define STACK_TOP_MAX	0x00120000000UL
+
 /* This decides where the kernel will search for a free chunk of vm
 * space during mmap's.
 */
--- a/include/asm-arm/a.out.h
+++ b/include/asm-arm/a.out.h
@ -27,12 +27,6 @@ struct exec

 #define M_ARM 103

-#ifdef __KERNEL__
-#define STACK_TOP	((current->personality == PER_LINUX_32BIT) ? \
-			 TASK_SIZE : TASK_SIZE_26)
-#define STACK_TOP_MAX	TASK_SIZE
-#endif
-
 #ifndef LIBRARY_START_TEXT
 #define LIBRARY_START_TEXT	(0x00c00000)
 #endif
--- a/include/asm-arm/processor.h
+++ b/include/asm-arm/processor.h
@ -22,6 +22,12 @@
 #include <asm/ptrace.h>
 #include <asm/types.h>

+#ifdef __KERNEL__
+#define STACK_TOP	((current->personality == PER_LINUX_32BIT) ? \
+			 TASK_SIZE : TASK_SIZE_26)
+#define STACK_TOP_MAX	TASK_SIZE
+#endif
+
 union debug_insn {
 	u32	arm;
 	u16	thumb;
--- a/include/asm-avr32/a.out.h
+++ b/include/asm-avr32/a.out.h
@ -17,11 +17,4 @@ struct exec
 #define N_DRSIZE(a)	((a).a_drsize)
 #define N_SYMSIZE(a)	((a).a_syms)

-#ifdef __KERNEL__
-
-#define STACK_TOP	TASK_SIZE
-#define STACK_TOP_MAX	STACK_TOP
-
-#endif
-
 #endif /* __ASM_AVR32_A_OUT_H */
--- a/include/asm-avr32/processor.h
+++ b/include/asm-avr32/processor.h
@ -13,6 +13,11 @@

 #define TASK_SIZE	0x80000000

+#ifdef __KERNEL__
+#define STACK_TOP	TASK_SIZE
+#define STACK_TOP_MAX	STACK_TOP
+#endif
+
 #ifndef __ASSEMBLY__

 static inline void *current_text_addr(void)
--- a/include/asm-blackfin/a.out.h
+++ b/include/asm-blackfin/a.out.h
@ -16,10 +16,4 @@ struct exec {
 #define N_DRSIZE(a)	((a).a_drsize)
 #define N_SYMSIZE(a)	((a).a_syms)

-#ifdef __KERNEL__
-
-#define STACK_TOP	TASK_SIZE
-
-#endif
-
 #endif				/* __BFIN_A_OUT_H__ */
--- a/include/asm-blackfin/processor.h
+++ b/include/asm-blackfin/processor.h
@ -30,6 +30,10 @@ static inline void wrusp(unsigned long usp)
 extern unsigned long memory_end;
 #define TASK_SIZE	(memory_end)

+#ifdef __KERNEL__
+#define STACK_TOP	TASK_SIZE
+#endif
+
 #define TASK_UNMAPPED_BASE	0

 struct thread_struct {
--- a/include/asm-cris/a.out.h
+++ b/include/asm-cris/a.out.h
@ -6,11 +6,6 @@
 * wants to know about a.out even if there is no interpreter available...
 */

-/* grabbed from the intel stuff  */   
-#define STACK_TOP TASK_SIZE
-#define STACK_TOP_MAX	STACK_TOP
-
-
 struct exec
 {
  unsigned long a_info;		/* Use macros N_MAGIC, etc for access */
@ -28,5 +23,4 @@ struct exec
 #define N_DRSIZE(a)	((a).a_drsize)
 #define N_SYMSIZE(a)	((a).a_syms)

-
 #endif
--- a/include/asm-cris/processor.h
+++ b/include/asm-cris/processor.h
@ -17,6 +17,9 @@

 struct task_struct;

+#define STACK_TOP	TASK_SIZE
+#define STACK_TOP_MAX	STACK_TOP
+
 /* This decides where the kernel will search for a free chunk of vm
 * space during mmap's.
 */
--- a/include/asm-h8300/a.out.h
+++ b/include/asm-h8300/a.out.h
@ -17,11 +17,4 @@ struct exec
 #define N_DRSIZE(a)	((a).a_drsize)
 #define N_SYMSIZE(a)	((a).a_syms)

-#ifdef __KERNEL__
-
-#define STACK_TOP	TASK_SIZE
-#define STACK_TOP_MAX	STACK_TOP
-
-#endif
-
 #endif /* __H8300_A_OUT_H__ */
--- a/include/asm-h8300/processor.h
+++ b/include/asm-h8300/processor.h
@ -39,6 +39,11 @@ static inline void wrusp(unsigned long usp) {
 */
 #define TASK_SIZE	(0xFFFFFFFFUL)

+#ifdef __KERNEL__
+#define STACK_TOP	TASK_SIZE
+#define STACK_TOP_MAX	STACK_TOP
+#endif
+
 /*
 * This decides where the kernel will search for a free chunk of vm
 * space during mmap's. We won't be using it
--- a/include/asm-ia64/a.out.h
+++ b/include/asm-ia64/a.out.h
@ -29,7 +29,4 @@ struct exec {
 #define N_SYMSIZE(x)	0
 #define N_TXTOFF(x)	0

-#ifdef __KERNEL__
-#include <asm/ustack.h>
-#endif
 #endif /* _ASM_IA64_A_OUT_H */
--- a/include/asm-m32r/a.out.h
+++ b/include/asm-m32r/a.out.h
@ -17,11 +17,4 @@ struct exec
 #define N_DRSIZE(a)	((a).a_drsize)
 #define N_SYMSIZE(a)	((a).a_syms)

-#ifdef __KERNEL__
-
-#define STACK_TOP	TASK_SIZE
-#define STACK_TOP_MAX	STACK_TOP
-
-#endif
-
 #endif /* _ASM_M32R_A_OUT_H */
--- a/include/asm-m32r/processor.h
+++ b/include/asm-m32r/processor.h
@ -60,6 +60,11 @@ extern struct cpuinfo_m32r cpu_data[];
 #define TASK_SIZE  (0x00400000UL)
 #endif

+#ifdef __KERNEL__
+#define STACK_TOP	TASK_SIZE
+#define STACK_TOP_MAX	STACK_TOP
+#endif
+
 /* This decides where the kernel will search for a free chunk of vm
 * space during mmap's.
 */
--- a/include/asm-m68k/a.out.h
+++ b/include/asm-m68k/a.out.h
@ -17,11 +17,4 @@ struct exec
 #define N_DRSIZE(a)	((a).a_drsize)
 #define N_SYMSIZE(a)	((a).a_syms)

-#ifdef __KERNEL__
-
-#define STACK_TOP	TASK_SIZE
-#define STACK_TOP_MAX	STACK_TOP
-
-#endif
-
 #endif /* __M68K_A_OUT_H__ */
--- a/include/asm-m68k/processor.h
+++ b/include/asm-m68k/processor.h
@ -41,6 +41,11 @@ static inline void wrusp(unsigned long usp)
 #define TASK_SIZE	(0x0E000000UL)
 #endif

+#ifdef __KERNEL__
+#define STACK_TOP	TASK_SIZE
+#define STACK_TOP_MAX	STACK_TOP
+#endif
+
 /* This decides where the kernel will search for a free chunk of vm
 * space during mmap's.
 */
--- a/include/asm-mips/a.out.h
+++ b/include/asm-mips/a.out.h
@ -32,17 +32,4 @@ struct exec
 #define N_DRSIZE(a)	((a).a_drsize)
 #define N_SYMSIZE(a)	((a).a_syms)

-#ifdef __KERNEL__
-
-#ifdef CONFIG_32BIT
-#define STACK_TOP	TASK_SIZE
-#endif
-#ifdef CONFIG_64BIT
-#define STACK_TOP	\
-      (test_thread_flag(TIF_32BIT_ADDR) ? TASK_SIZE32 : TASK_SIZE)
-#endif
-#define STACK_TOP_MAX	TASK_SIZE
-
-#endif
-
 #endif /* _ASM_A_OUT_H */
--- a/include/asm-mips/processor.h
+++ b/include/asm-mips/processor.h
@ -39,6 +39,7 @@ extern unsigned int vced_count, vcei_count;
 * so don't change it unless you know what you are doing.
 */
 #define TASK_SIZE	0x7fff8000UL
+#define STACK_TOP	TASK_SIZE

 /*
 * This decides where the kernel will search for a free chunk of vm
@ -57,6 +58,8 @@ extern unsigned int vced_count, vcei_count;
 */
 #define TASK_SIZE32	0x7fff8000UL
 #define TASK_SIZE	0x10000000000UL
+#define STACK_TOP	\
+      (test_thread_flag(TIF_32BIT_ADDR) ? TASK_SIZE32 : TASK_SIZE)

 /*
 * This decides where the kernel will search for a free chunk of vm
@ -69,6 +72,10 @@ extern unsigned int vced_count, vcei_count;
 	(test_tsk_thread_flag(tsk, TIF_32BIT_ADDR) ? TASK_SIZE32 : TASK_SIZE)
 #endif

+#ifdef __KERNEL__
+#define STACK_TOP_MAX	TASK_SIZE
+#endif
+
 #define NUM_FPU_REGS	32

 typedef __u64 fpureg_t;
--- a/include/asm-parisc/a.out.h
+++ b/include/asm-parisc/a.out.h
@ -17,14 +17,4 @@ struct exec
 #define N_DRSIZE(a)	((a).a_drsize)
 #define N_SYMSIZE(a)	((a).a_syms)

-#ifdef __KERNEL__
-
-/* XXX: STACK_TOP actually should be STACK_BOTTOM for parisc.
- * prumpf */
-
-#define STACK_TOP	TASK_SIZE
-#define STACK_TOP_MAX	DEFAULT_TASK_SIZE
-
-#endif
-
 #endif /* __A_OUT_GNU_H__ */
--- a/include/asm-parisc/processor.h
+++ b/include/asm-parisc/processor.h
@ -47,6 +47,16 @@
 #define DEFAULT_MAP_BASE	DEFAULT_MAP_BASE32
 #endif

+#ifdef __KERNEL__
+
+/* XXX: STACK_TOP actually should be STACK_BOTTOM for parisc.
+ * prumpf */
+
+#define STACK_TOP	TASK_SIZE
+#define STACK_TOP_MAX	DEFAULT_TASK_SIZE
+
+#endif
+
 #ifndef __ASSEMBLY__

 /*
--- a/include/asm-powerpc/a.out.h
+++ b/include/asm-powerpc/a.out.h
@ -17,23 +17,4 @@ struct exec
 #define N_DRSIZE(a)	((a).a_drsize)
 #define N_SYMSIZE(a)	((a).a_syms)

-#ifdef __KERNEL__
-#ifdef __powerpc64__
-
-#define STACK_TOP_USER64 TASK_SIZE_USER64
-#define STACK_TOP_USER32 TASK_SIZE_USER32
-
-#define STACK_TOP (test_thread_flag(TIF_32BIT) ? \
-		   STACK_TOP_USER32 : STACK_TOP_USER64)
-
-#define STACK_TOP_MAX STACK_TOP_USER64
-
-#else /* __powerpc64__ */
-
-#define STACK_TOP TASK_SIZE
-#define STACK_TOP_MAX	STACK_TOP
-
-#endif /* __powerpc64__ */
-#endif /* __KERNEL__ */
-
 #endif /* _ASM_POWERPC_A_OUT_H */
--- a/include/asm-powerpc/processor.h
+++ b/include/asm-powerpc/processor.h
@ -113,6 +113,25 @@ extern struct task_struct *last_task_used_spe;
 		TASK_UNMAPPED_BASE_USER32 : TASK_UNMAPPED_BASE_USER64 )
 #endif

+#ifdef __KERNEL__
+#ifdef __powerpc64__
+
+#define STACK_TOP_USER64 TASK_SIZE_USER64
+#define STACK_TOP_USER32 TASK_SIZE_USER32
+
+#define STACK_TOP (test_thread_flag(TIF_32BIT) ? \
+		   STACK_TOP_USER32 : STACK_TOP_USER64)
+
+#define STACK_TOP_MAX STACK_TOP_USER64
+
+#else /* __powerpc64__ */
+
+#define STACK_TOP TASK_SIZE
+#define STACK_TOP_MAX	STACK_TOP
+
+#endif /* __powerpc64__ */
+#endif /* __KERNEL__ */
+
 typedef struct {
 	unsigned long seg;
 } mm_segment_t;
--- a/include/asm-s390/a.out.h
+++ b/include/asm-s390/a.out.h
@ -29,11 +29,4 @@ struct exec
 #define N_DRSIZE(a)	((a).a_drsize)
 #define N_SYMSIZE(a)	((a).a_syms)

-#ifdef __KERNEL__
-
-#define STACK_TOP	TASK_SIZE
-#define STACK_TOP_MAX	DEFAULT_TASK_SIZE
-
-#endif
-
 #endif /* __A_OUT_GNU_H__ */
--- a/include/asm-s390/processor.h
+++ b/include/asm-s390/processor.h
@ -78,6 +78,13 @@ extern int get_cpu_capability(unsigned int *);

 #endif /* __s390x__ */

+#ifdef __KERNEL__
+
+#define STACK_TOP		TASK_SIZE
+#define STACK_TOP_MAX		DEFAULT_TASK_SIZE
+
+#endif
+
 #define HAVE_ARCH_PICK_MMAP_LAYOUT

 typedef struct {
--- a/include/asm-sh/a.out.h
+++ b/include/asm-sh/a.out.h
@ -17,11 +17,4 @@ struct exec
 #define N_DRSIZE(a)	((a).a_drsize)
 #define N_SYMSIZE(a)	((a).a_syms)

-#ifdef __KERNEL__
-
-#define STACK_TOP	TASK_SIZE
-#define STACK_TOP_MAX	STACK_TOP
-
-#endif
-
 #endif /* __ASM_SH_A_OUT_H */
--- a/include/asm-sh/processor_32.h
+++ b/include/asm-sh/processor_32.h
@ -50,6 +50,9 @@ extern struct sh_cpuinfo cpu_data[];
 */
 #define TASK_SIZE	0x7c000000UL

+#define STACK_TOP	TASK_SIZE
+#define STACK_TOP_MAX	STACK_TOP
+
 /* This decides where the kernel will search for a free chunk of vm
 * space during mmap's.
 */
--- a/include/asm-sh/processor_64.h
+++ b/include/asm-sh/processor_64.h
@ -83,6 +83,9 @@ extern struct sh_cpuinfo cpu_data[];
 */
 #define TASK_SIZE	0x7ffff000UL

+#define STACK_TOP	TASK_SIZE
+#define STACK_TOP_MAX	STACK_TOP
+
 /* This decides where the kernel will search for a free chunk of vm
 * space during mmap's.
 */
--- a/include/asm-sparc/a.out.h
+++ b/include/asm-sparc/a.out.h
@ -87,13 +87,4 @@ struct relocation_info /* used when header.a_machtype == M_SPARC */

 #define N_RELOCATION_INFO_DECLARED 1

-#ifdef __KERNEL__
-
-#include <asm/page.h>
-
-#define STACK_TOP	(PAGE_OFFSET - PAGE_SIZE)
-#define STACK_TOP_MAX	STACK_TOP
-
-#endif /* __KERNEL__ */
-
 #endif /* __SPARC_A_OUT_H__ */
--- a/include/asm-sparc/processor.h
+++ b/include/asm-sparc/processor.h
@ -33,6 +33,10 @@
 * we can make our access_ok test faster
 */
 #define TASK_SIZE	PAGE_OFFSET
+#ifdef __KERNEL__
+#define STACK_TOP	(PAGE_OFFSET - PAGE_SIZE)
+#define STACK_TOP_MAX	STACK_TOP
+#endif /* __KERNEL__ */

 struct task_struct;

--- a/include/asm-sparc64/a.out.h
+++ b/include/asm-sparc64/a.out.h
@ -93,18 +93,6 @@ struct relocation_info /* used when header.a_machtype == M_SPARC */

 #define N_RELOCATION_INFO_DECLARED 1

-#ifdef __KERNEL__
-
-#define STACK_TOP32	((1UL << 32UL) - PAGE_SIZE)
-#define STACK_TOP64	(0x0000080000000000UL - (1UL << 32UL))
-
-#define STACK_TOP (test_thread_flag(TIF_32BIT) ? \
-		   STACK_TOP32 : STACK_TOP64)
-
-#define STACK_TOP_MAX STACK_TOP64
-
-#endif
-
 #endif /* !(__ASSEMBLY__) */

 #endif /* !(__SPARC64_A_OUT_H__) */
--- a/include/asm-sparc64/processor.h
+++ b/include/asm-sparc64/processor.h
@ -36,7 +36,19 @@
 #else
 #define VPTE_SIZE	(1 << (VA_BITS - PAGE_SHIFT + 3))
 #endif
+
 #define TASK_SIZE	((unsigned long)-VPTE_SIZE)
+#ifdef __KERNEL__
+
+#define STACK_TOP32	((1UL << 32UL) - PAGE_SIZE)
+#define STACK_TOP64	(0x0000080000000000UL - (1UL << 32UL))
+
+#define STACK_TOP	(test_thread_flag(TIF_32BIT) ? \
+			 STACK_TOP32 : STACK_TOP64)
+
+#define STACK_TOP_MAX	STACK_TOP64
+
+#endif

 #ifndef __ASSEMBLY__

--- a/include/asm-sparc64/user.h
+++ b/include/asm-sparc64/user.h
@ -8,7 +8,7 @@
 #ifndef _SPARC64_USER_H
 #define _SPARC64_USER_H

-#include <asm/a.out.h>
+#include <linux/a.out.h>
 struct sunos_regs {
 	unsigned int psr, pc, npc, y;
 	unsigned int regs[15];
--- a/include/asm-um/a.out.h
+++ b/include/asm-um/a.out.h
@ -8,15 +8,4 @@

 #include "asm/arch/a.out.h"

-#undef STACK_TOP
-#undef STACK_TOP_MAX
-
-extern unsigned long stacksizelim;
-
-#define STACK_ROOM (stacksizelim)
-
-#define STACK_TOP (TASK_SIZE - 2 * PAGE_SIZE)
-
-#define STACK_TOP_MAX STACK_TOP
-
 #endif
--- a/include/asm-um/processor-generic.h
+++ b/include/asm-um/processor-generic.h
@ -94,6 +94,15 @@ static inline void mm_copy_segments(struct mm_struct *from_mm,
 */
 #define TASK_SIZE (CONFIG_TOP_ADDR & PGDIR_MASK)

+#undef STACK_TOP
+#undef STACK_TOP_MAX
+
+extern unsigned long stacksizelim;
+
+#define STACK_ROOM	(stacksizelim)
+#define STACK_TOP	(TASK_SIZE - 2 * PAGE_SIZE)
+#define STACK_TOP_MAX	STACK_TOP
+
 /* This decides where the kernel will search for a free chunk of vm
 * space during mmap's.
 */
--- a/include/asm-x86/a.out.h
+++ b/include/asm-x86/a.out.h
@ -17,14 +17,4 @@ struct exec
 #define N_DRSIZE(a)	((a).a_drsize)
 #define N_SYMSIZE(a)	((a).a_syms)

-#ifdef __KERNEL__
-# include <linux/thread_info.h>
-# define STACK_TOP	TASK_SIZE
-# ifdef CONFIG_X86_32
-#  define STACK_TOP_MAX	STACK_TOP
-# else
-#  define STACK_TOP_MAX	TASK_SIZE64
-# endif
-#endif
-
 #endif /* _ASM_X86_A_OUT_H */
--- a/include/asm-x86/processor.h
+++ b/include/asm-x86/processor.h
@ -719,6 +719,8 @@ static inline void prefetchw(const void *x)
 * User space process size: 3GB (default).
 */
 #define TASK_SIZE	(PAGE_OFFSET)
+#define STACK_TOP	TASK_SIZE
+#define STACK_TOP_MAX	STACK_TOP

 #define INIT_THREAD  {							\
 	.sp0 = sizeof(init_stack) + (long)&init_stack,			\
@ -802,6 +804,9 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk);
 #define TASK_SIZE_OF(child) 	((test_tsk_thread_flag(child, TIF_IA32)) ? \
 				  IA32_PAGE_OFFSET : TASK_SIZE64)

+#define STACK_TOP		TASK_SIZE
+#define STACK_TOP_MAX		TASK_SIZE64
+
 #define INIT_THREAD  { \
 	.sp0 = (unsigned long)&init_stack + sizeof(init_stack) \
 }
--- a/include/asm-xtensa/a.out.h
+++ b/include/asm-xtensa/a.out.h
@ -14,11 +14,6 @@
 #ifndef _XTENSA_A_OUT_H
 #define _XTENSA_A_OUT_H

-/* Note: the kernel needs the a.out definitions, even if only ELF is used. */
-
-#define STACK_TOP	TASK_SIZE
-#define STACK_TOP_MAX	STACK_TOP
-
 struct exec
 {
  unsigned long a_info;
--- a/include/asm-xtensa/processor.h
+++ b/include/asm-xtensa/processor.h
@ -34,6 +34,8 @@
 */

 #define TASK_SIZE	__XTENSA_UL_CONST(0x40000000)
+#define STACK_TOP	TASK_SIZE
+#define STACK_TOP_MAX	STACK_TOP

 /*
 * General exception cause assigned to debug exceptions. Debug exceptions go