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authorGennady Sharapov <Gennady.V.Sharapov@intel.com>2006-01-08 01:01:32 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-08 20:13:39 -0800
commitc66fdd5e324392584c6f11de65cfe24b0e2d9303 (patch)
treef05cb784406c0a0cb24d291e515dfcaa3e4b6464 /arch/um
parentea2ba7dc3dd3f85034e6da6abacc813d723a2ad5 (diff)
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[PATCH] uml: merge trap_user.c and trap_kern.c
The serial UML OS-abstraction layer patch (um/kernel dir). This joins trap_user.c and trap_kernel.c files. Signed-off-by: Gennady Sharapov <Gennady.V.Sharapov@intel.com> 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>
Diffstat (limited to 'arch/um')
-rw-r--r--arch/um/kernel/Makefile2
-rw-r--r--arch/um/kernel/trap_kern.c14
-rw-r--r--arch/um/kernel/trap_user.c58
-rw-r--r--arch/um/os-Linux/trap.c25
4 files changed, 39 insertions, 60 deletions
diff --git a/arch/um/kernel/Makefile b/arch/um/kernel/Makefile
index 9ce6c57..193cc2b 100644
--- a/arch/um/kernel/Makefile
+++ b/arch/um/kernel/Makefile
@@ -10,7 +10,7 @@ obj-y = config.o exec_kern.o exitcode.o \
init_task.o irq.o irq_user.o ksyms.o mem.o physmem.o \
process_kern.o ptrace.o reboot.o resource.o sigio_user.o sigio_kern.o \
signal_kern.o smp.o syscall_kern.o sysrq.o time.o \
- time_kern.o tlb.o trap_kern.o trap_user.o uaccess.o um_arch.o umid.o \
+ time_kern.o tlb.o trap_kern.o uaccess.o um_arch.o umid.o \
user_util.o
obj-$(CONFIG_BLK_DEV_INITRD) += initrd.o
diff --git a/arch/um/kernel/trap_kern.c b/arch/um/kernel/trap_kern.c
index b79f805..d56046c 100644
--- a/arch/um/kernel/trap_kern.c
+++ b/arch/um/kernel/trap_kern.c
@@ -26,6 +26,9 @@
#include "mconsole_kern.h"
#include "mem.h"
#include "mem_kern.h"
+#include "sysdep/sigcontext.h"
+#include "sysdep/ptrace.h"
+#include "os.h"
#ifdef CONFIG_MODE_SKAS
#include "skas.h"
#endif
@@ -126,6 +129,17 @@ out_of_memory:
goto out;
}
+void segv_handler(int sig, union uml_pt_regs *regs)
+{
+ struct faultinfo * fi = UPT_FAULTINFO(regs);
+
+ if(UPT_IS_USER(regs) && !SEGV_IS_FIXABLE(fi)){
+ bad_segv(*fi, UPT_IP(regs));
+ return;
+ }
+ segv(*fi, UPT_IP(regs), UPT_IS_USER(regs), regs);
+}
+
struct kern_handlers handlinfo_kern = {
.relay_signal = relay_signal,
.winch = winch,
diff --git a/arch/um/kernel/trap_user.c b/arch/um/kernel/trap_user.c
deleted file mode 100644
index 5590b57..0000000
--- a/arch/um/kernel/trap_user.c
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#include <stdlib.h>
-#include <errno.h>
-#include <setjmp.h>
-#include <signal.h>
-#include <sys/time.h>
-#include <sys/wait.h>
-#include <asm/page.h>
-#include <asm/unistd.h>
-#include <asm/ptrace.h>
-#include "init.h"
-#include "sysdep/ptrace.h"
-#include "sigcontext.h"
-#include "sysdep/sigcontext.h"
-#include "irq_user.h"
-#include "time_user.h"
-#include "task.h"
-#include "mode.h"
-#include "choose-mode.h"
-#include "kern_util.h"
-#include "user_util.h"
-#include "os.h"
-
-void segv_handler(int sig, union uml_pt_regs *regs)
-{
- struct faultinfo * fi = UPT_FAULTINFO(regs);
-
- if(UPT_IS_USER(regs) && !SEGV_IS_FIXABLE(fi)){
- bad_segv(*fi, UPT_IP(regs));
- return;
- }
- segv(*fi, UPT_IP(regs), UPT_IS_USER(regs), regs);
-}
-
-void usr2_handler(int sig, union uml_pt_regs *regs)
-{
- CHOOSE_MODE(syscall_handler_tt(sig, regs), (void) 0);
-}
-
-void (*sig_info[NSIG])(int, union uml_pt_regs *);
-
-void os_fill_handlinfo(struct kern_handlers h)
-{
- sig_info[SIGTRAP] = h.relay_signal;
- sig_info[SIGFPE] = h.relay_signal;
- sig_info[SIGILL] = h.relay_signal;
- sig_info[SIGWINCH] = h.winch;
- sig_info[SIGBUS] = h.bus_handler;
- sig_info[SIGSEGV] = h.page_fault;
- sig_info[SIGIO] = h.sigio_handler;
- sig_info[SIGVTALRM] = h.timer_handler;
- sig_info[SIGALRM] = h.timer_handler;
- sig_info[SIGUSR2] = usr2_handler;
-}
diff --git a/arch/um/os-Linux/trap.c b/arch/um/os-Linux/trap.c
index 6e7841c..321e1c8e 100644
--- a/arch/um/os-Linux/trap.c
+++ b/arch/um/os-Linux/trap.c
@@ -3,11 +3,34 @@
* Licensed under the GPL
*/
-#include <setjmp.h>
+#include <stdlib.h>
#include <signal.h>
+#include <setjmp.h>
#include "kern_util.h"
#include "user_util.h"
#include "os.h"
+#include "mode.h"
+
+void usr2_handler(int sig, union uml_pt_regs *regs)
+{
+ CHOOSE_MODE(syscall_handler_tt(sig, regs), (void) 0);
+}
+
+void (*sig_info[NSIG])(int, union uml_pt_regs *);
+
+void os_fill_handlinfo(struct kern_handlers h)
+{
+ sig_info[SIGTRAP] = h.relay_signal;
+ sig_info[SIGFPE] = h.relay_signal;
+ sig_info[SIGILL] = h.relay_signal;
+ sig_info[SIGWINCH] = h.winch;
+ sig_info[SIGBUS] = h.bus_handler;
+ sig_info[SIGSEGV] = h.page_fault;
+ sig_info[SIGIO] = h.sigio_handler;
+ sig_info[SIGVTALRM] = h.timer_handler;
+ sig_info[SIGALRM] = h.timer_handler;
+ sig_info[SIGUSR2] = usr2_handler;
+}
void do_longjmp(void *b, int val)
{