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[PATCH] uml: cross-build support : mk_task and mk_constants 

helpers in arch/um/util (mk_task and mk_constants) converted.  That's it -
none of the helpers depends on build and target being the same architecture
anymore.

Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Al Viro 2005-05-05 16:15:27 -07:00 committed by Linus Torvalds
parent 2b8b611e9a
commit da998a2aec
7 changed files with 46 additions and 90 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/um/Makefile
View File

@ -206,7 +206,7 @@ $(ARCH_DIR)/util/mk_task $(ARCH_DIR)/util/mk_constants: $(ARCH_DIR)/include/user
$(ARCH_DIR)/kernel/skas/util/mk_ptregs: $(ARCH_DIR)/kernel/skas/util FORCE ;
$(ARCH_DIR)/util: scripts_basic $(SYS_DIR)/sc.h FORCE
$(ARCH_DIR)/util: scripts_basic $(SYS_DIR)/sc.h $(ARCH_DIR)/kernel-offsets.h FORCE
$(Q)$(MAKE) $(build)=$@
$(ARCH_DIR)/kernel/skas/util: scripts_basic $(ARCH_DIR)/user-offsets.h FORCE

7
arch/um/util/Makefile
View File

@ -1,8 +1,5 @@
hostprogs-y := mk_task mk_constants
always := $(hostprogs-y)
mk_task-objs := mk_task_user.o mk_task_kern.o
mk_constants-objs := mk_constants_user.o mk_constants_kern.o
HOSTCFLAGS_mk_task_kern.o := $(CFLAGS) $(CPPFLAGS)
HOSTCFLAGS_mk_constants_kern.o := $(CFLAGS) $(CPPFLAGS)
HOSTCFLAGS_mk_task.o := -I$(objtree)/arch/um
HOSTCFLAGS_mk_constants.o := -I$(objtree)/arch/um

32
arch/um/util/mk_constants.c Normal file
View File

@ -0,0 +1,32 @@
#include <stdio.h>
#include <kernel-offsets.h>
#define SHOW_INT(sym) printf("#define %s %d\n", #sym, sym)
#define SHOW_STR(sym) printf("#define %s %s\n", #sym, sym)
int main(int argc, char **argv)
{
printf("/*\n");
printf(" * Generated by mk_constants\n");
printf(" */\n");
printf("\n");
printf("#ifndef __UM_CONSTANTS_H\n");
printf("#define __UM_CONSTANTS_H\n");
printf("\n");
SHOW_INT(UM_KERN_PAGE_SIZE);
SHOW_STR(UM_KERN_EMERG);
SHOW_STR(UM_KERN_ALERT);
SHOW_STR(UM_KERN_CRIT);
SHOW_STR(UM_KERN_ERR);
SHOW_STR(UM_KERN_WARNING);
SHOW_STR(UM_KERN_NOTICE);
SHOW_STR(UM_KERN_INFO);
SHOW_STR(UM_KERN_DEBUG);
SHOW_INT(UM_NSEC_PER_SEC);
printf("\n");
printf("#endif\n");
return(0);
}

28
arch/um/util/mk_constants_kern.c
View File

@ -1,28 +0,0 @@
#include "linux/kernel.h"
#include "linux/stringify.h"
#include "linux/time.h"
#include "asm/page.h"
extern void print_head(void);
extern void print_constant_str(char *name, char *value);
extern void print_constant_int(char *name, int value);
extern void print_tail(void);
int main(int argc, char **argv)
{
print_head();
print_constant_int("UM_KERN_PAGE_SIZE", PAGE_SIZE);
print_constant_str("UM_KERN_EMERG", KERN_EMERG);
print_constant_str("UM_KERN_ALERT", KERN_ALERT);
print_constant_str("UM_KERN_CRIT", KERN_CRIT);
print_constant_str("UM_KERN_ERR", KERN_ERR);
print_constant_str("UM_KERN_WARNING", KERN_WARNING);
print_constant_str("UM_KERN_NOTICE", KERN_NOTICE);
print_constant_str("UM_KERN_INFO", KERN_INFO);
print_constant_str("UM_KERN_DEBUG", KERN_DEBUG);
print_constant_int("UM_NSEC_PER_SEC", NSEC_PER_SEC);
print_tail();
return(0);
}

28
arch/um/util/mk_constants_user.c
View File

@ -1,28 +0,0 @@
#include <stdio.h>
void print_head(void)
{
printf("/*\n");
printf(" * Generated by mk_constants\n");
printf(" */\n");
printf("\n");
printf("#ifndef __UM_CONSTANTS_H\n");
printf("#define __UM_CONSTANTS_H\n");
printf("\n");
}
void print_constant_str(char *name, char *value)
{
printf("#define %s \"%s\"\n", name, value);
}
void print_constant_int(char *name, int value)
{
printf("#define %s %d\n", name, value);
}
void print_tail(void)
{
printf("\n");
printf("#endif\n");
}

22
arch/um/util/mk_task_user.c → arch/um/util/mk_task.c
View File

@ -1,10 +1,5 @@
#include <stdio.h>
void print(char *name, char *type, int offset)
{
printf("#define %s(task) *((%s *) &(((char *) (task))[%d]))\n", name, type,
offset);
}
#include <kernel-offsets.h>
void print_ptr(char *name, char *type, int offset)
{
@ -12,7 +7,13 @@ void print_ptr(char *name, char *type, int offset)
offset);
}
void print_head(void)
void print(char *name, char *type, int offset)
{
printf("#define %s(task) *((%s *) &(((char *) (task))[%d]))\n", name, type,
offset);
}
int main(int argc, char **argv)
{
printf("/*\n");
printf(" * Generated by mk_task\n");
@ -21,10 +22,9 @@ void print_head(void)
printf("#ifndef __TASK_H\n");
printf("#define __TASK_H\n");
printf("\n");
}
void print_tail(void)
{
print_ptr("TASK_REGS", "union uml_pt_regs", TASK_REGS);
print("TASK_PID", "int", TASK_PID);
printf("\n");
printf("#endif\n");
return(0);
}

17
arch/um/util/mk_task_kern.c
View File

@ -1,17 +0,0 @@
#include "linux/sched.h"
#include "linux/stddef.h"
extern void print(char *name, char *type, int offset);
extern void print_ptr(char *name, char *type, int offset);
extern void print_head(void);
extern void print_tail(void);
int main(int argc, char **argv)
{
print_head();
print_ptr("TASK_REGS", "union uml_pt_regs",
offsetof(struct task_struct, thread.regs));
print("TASK_PID", "int", offsetof(struct task_struct, pid));
print_tail();
return(0);
}