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[PATCH] uml: mark some tt-mode code
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 <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>
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e3ccf6e369
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0915ee38c7
3 changed files with 9 additions and 4 deletions
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@ -198,7 +198,9 @@ extern long os_ptrace_ldt(long pid, long addr, long data);
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extern int os_getpid(void);
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extern int os_getpgrp(void);
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#ifdef UML_CONFIG_MODE_TT
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extern void init_new_thread_stack(void *sig_stack, void (*usr1_handler)(int));
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#endif
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extern void init_new_thread_signals(void);
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extern int run_kernel_thread(int (*fn)(void *), void *arg, void **jmp_ptr);
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@ -216,7 +218,6 @@ extern void os_flush_stdout(void);
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*/
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extern void forward_ipi(int fd, int pid);
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extern void kill_child_dead(int pid);
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extern void stop(void);
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extern int wait_for_stop(int pid, int sig, int cont_type, void *relay);
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extern int protect_memory(unsigned long addr, unsigned long len,
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int r, int w, int x, int must_succeed);
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@ -21,7 +21,6 @@
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#include "mem_user.h"
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#include "os.h"
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EXPORT_SYMBOL(stop);
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EXPORT_SYMBOL(uml_physmem);
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EXPORT_SYMBOL(set_signals);
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EXPORT_SYMBOL(get_signals);
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@ -41,6 +40,7 @@ EXPORT_SYMBOL(handle_page_fault);
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EXPORT_SYMBOL(find_iomem);
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#ifdef CONFIG_MODE_TT
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EXPORT_SYMBOL(stop);
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EXPORT_SYMBOL(strncpy_from_user_tt);
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EXPORT_SYMBOL(copy_from_user_tt);
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EXPORT_SYMBOL(copy_to_user_tt);
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@ -4,15 +4,19 @@
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#
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obj-y = aio.o elf_aux.o file.o helper.o irq.o main.o mem.o process.o sigio.o \
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signal.o start_up.o time.o trap.o tt.o tty.o uaccess.o umid.o tls.o \
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signal.o start_up.o time.o trap.o tty.o uaccess.o umid.o tls.o \
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user_syms.o util.o drivers/ sys-$(SUBARCH)/
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obj-$(CONFIG_MODE_SKAS) += skas/
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obj-$(CONFIG_MODE_TT) += tt.o
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user-objs-$(CONFIG_MODE_TT) += tt.o
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obj-$(CONFIG_TTY_LOG) += tty_log.o
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user-objs-$(CONFIG_TTY_LOG) += tty_log.o
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USER_OBJS := $(user-objs-y) aio.o elf_aux.o file.o helper.o irq.o main.o mem.o \
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process.o sigio.o signal.o start_up.o time.o trap.o tt.o tty.o tls.o \
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process.o sigio.o signal.o start_up.o time.o trap.o tty.o tls.o \
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uaccess.o umid.o util.o
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CFLAGS_user_syms.o += -DSUBARCH_$(SUBARCH)
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