Mark a symbol and file as being tt-mode only. This shrinks the
binary slightly when tt mode support is compiled out and makes it
easier to identity stuff when tt mode is removed.
Signed-off-by: Jeff Dike <[EMAIL PROTECTED]>
Index: linux-2.6.18-mm/arch/um/kernel/ksyms.c
===================================================================
--- linux-2.6.18-mm.orig/arch/um/kernel/ksyms.c 2006-09-22 09:16:01.000000000
-0400
+++ linux-2.6.18-mm/arch/um/kernel/ksyms.c 2006-09-22 09:51:13.000000000
-0400
@@ -20,7 +20,6 @@
#include "mem_user.h"
#include "os.h"
-EXPORT_SYMBOL(stop);
EXPORT_SYMBOL(uml_physmem);
EXPORT_SYMBOL(set_signals);
EXPORT_SYMBOL(get_signals);
@@ -40,6 +39,7 @@ EXPORT_SYMBOL(handle_page_fault);
EXPORT_SYMBOL(find_iomem);
#ifdef CONFIG_MODE_TT
+EXPORT_SYMBOL(stop);
EXPORT_SYMBOL(strncpy_from_user_tt);
EXPORT_SYMBOL(copy_from_user_tt);
EXPORT_SYMBOL(copy_to_user_tt);
Index: linux-2.6.18-mm/arch/um/os-Linux/Makefile
===================================================================
--- linux-2.6.18-mm.orig/arch/um/os-Linux/Makefile 2006-09-22
09:16:01.000000000 -0400
+++ linux-2.6.18-mm/arch/um/os-Linux/Makefile 2006-09-22 09:51:13.000000000
-0400
@@ -4,15 +4,19 @@
#
obj-y = aio.o elf_aux.o file.o helper.o irq.o main.o mem.o process.o sigio.o \
- signal.o start_up.o time.o trap.o tt.o tty.o uaccess.o umid.o tls.o \
+ signal.o start_up.o time.o trap.o tty.o uaccess.o umid.o tls.o \
user_syms.o util.o drivers/ sys-$(SUBARCH)/
obj-$(CONFIG_MODE_SKAS) += skas/
+
+obj-$(CONFIG_MODE_TT) += tt.o
+user-objs-$(CONFIG_MODE_TT) += tt.o
+
obj-$(CONFIG_TTY_LOG) += tty_log.o
user-objs-$(CONFIG_TTY_LOG) += tty_log.o
USER_OBJS := $(user-objs-y) aio.o elf_aux.o file.o helper.o irq.o main.o mem.o
\
- process.o sigio.o signal.o start_up.o time.o trap.o tt.o tty.o tls.o \
+ process.o sigio.o signal.o start_up.o time.o trap.o tty.o tls.o \
uaccess.o umid.o util.o
CFLAGS_user_syms.o += -DSUBARCH_$(SUBARCH)
Index: linux-2.6.18-mm/arch/um/include/os.h
===================================================================
--- linux-2.6.18-mm.orig/arch/um/include/os.h 2006-09-22 09:16:05.000000000
-0400
+++ linux-2.6.18-mm/arch/um/include/os.h 2006-09-22 09:51:13.000000000
-0400
@@ -198,7 +198,9 @@ extern long os_ptrace_ldt(long pid, long
extern int os_getpid(void);
extern int os_getpgrp(void);
+#ifdef UML_CONFIG_MODE_TT
extern void init_new_thread_stack(void *sig_stack, void (*usr1_handler)(int));
+#endif
extern void init_new_thread_signals(void);
extern int run_kernel_thread(int (*fn)(void *), void *arg, void **jmp_ptr);
@@ -216,7 +218,6 @@ extern void os_flush_stdout(void);
*/
extern void forward_ipi(int fd, int pid);
extern void kill_child_dead(int pid);
-extern void stop(void);
extern int wait_for_stop(int pid, int sig, int cont_type, void *relay);
extern int protect_memory(unsigned long addr, unsigned long len,
int r, int w, int x, int must_succeed);
-------------------------------------------------------------------------
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