summaryrefslogtreecommitdiffstats
path: root/arch/um/kernel/tt
diff options
context:
space:
mode:
Diffstat (limited to 'arch/um/kernel/tt')
-rw-r--r--arch/um/kernel/tt/Makefile19
-rw-r--r--arch/um/kernel/tt/gdb.c4
-rw-r--r--arch/um/kernel/tt/gdb_kern.c2
-rw-r--r--arch/um/kernel/tt/include/debug.h17
-rw-r--r--arch/um/kernel/tt/include/mode-tt.h1
-rw-r--r--arch/um/kernel/tt/process_kern.c25
-rw-r--r--arch/um/kernel/tt/time.c28
-rw-r--r--arch/um/kernel/tt/unmap.c31
8 files changed, 12 insertions, 115 deletions
diff --git a/arch/um/kernel/tt/Makefile b/arch/um/kernel/tt/Makefile
index c3faea21a996..6939e5af8472 100644
--- a/arch/um/kernel/tt/Makefile
+++ b/arch/um/kernel/tt/Makefile
@@ -3,27 +3,12 @@
# Licensed under the GPL
#
-extra-y := unmap_fin.o
-targets := unmap.o
-clean-files := unmap_tmp.o
-
obj-y = exec_kern.o exec_user.o gdb.o ksyms.o mem.o mem_user.o process_kern.o \
- syscall_kern.o syscall_user.o time.o tlb.o tracer.o trap_user.o \
+ syscall_kern.o syscall_user.o tlb.o tracer.o trap_user.o \
uaccess.o uaccess_user.o
obj-$(CONFIG_PT_PROXY) += gdb_kern.o ptproxy/
-USER_OBJS := gdb.o time.o tracer.o
+USER_OBJS := gdb.o tracer.o
include arch/um/scripts/Makefile.rules
-
-UNMAP_CFLAGS := $(patsubst -pg -DPROFILING,,$(USER_CFLAGS))
-UNMAP_CFLAGS := $(patsubst -fprofile-arcs -ftest-coverage,,$(UNMAP_CFLAGS))
-
-#XXX: partially copied from arch/um/scripts/Makefile.rules
-$(obj)/unmap.o: c_flags = -Wp,-MD,$(depfile) $(UNMAP_CFLAGS)
-
-$(obj)/unmap_fin.o : $(obj)/unmap.o
- $(LD) -r -o $(obj)/unmap_tmp.o $< $(shell $(CC) -print-file-name=libc.a)
- $(OBJCOPY) $(obj)/unmap_tmp.o $@ -G switcheroo
-
diff --git a/arch/um/kernel/tt/gdb.c b/arch/um/kernel/tt/gdb.c
index 19a0ad7b35b3..37e22d71a0d9 100644
--- a/arch/um/kernel/tt/gdb.c
+++ b/arch/um/kernel/tt/gdb.c
@@ -153,10 +153,10 @@ void remove_gdb_cb(void *unused)
exit_debugger_cb(NULL);
}
-int gdb_remove(char *unused)
+int gdb_remove(int unused)
{
initial_thread_cb(remove_gdb_cb, NULL);
- return(0);
+ return 0;
}
void signal_usr1(int sig)
diff --git a/arch/um/kernel/tt/gdb_kern.c b/arch/um/kernel/tt/gdb_kern.c
index 93fb121f86af..26506388a6aa 100644
--- a/arch/um/kernel/tt/gdb_kern.c
+++ b/arch/um/kernel/tt/gdb_kern.c
@@ -10,7 +10,7 @@
#ifdef CONFIG_MCONSOLE
extern int gdb_config(char *str);
-extern int gdb_remove(char *unused);
+extern int gdb_remove(int n);
static struct mc_device gdb_mc = {
.name = "gdb",
diff --git a/arch/um/kernel/tt/include/debug.h b/arch/um/kernel/tt/include/debug.h
index 8eff674107ca..738435461e13 100644
--- a/arch/um/kernel/tt/include/debug.h
+++ b/arch/um/kernel/tt/include/debug.h
@@ -4,8 +4,8 @@
* Licensed under the GPL
*/
-#ifndef __DEBUG_H
-#define __DEBUG_H
+#ifndef __UML_TT_DEBUG_H
+#define __UML_TT_DEBUG_H
extern int debugger_proxy(int status, pid_t pid);
extern void child_proxy(pid_t pid, int status);
@@ -13,17 +13,6 @@ extern void init_proxy (pid_t pid, int waiting, int status);
extern int start_debugger(char *prog, int startup, int stop, int *debugger_fd);
extern void fake_child_exit(void);
extern int gdb_config(char *str);
-extern int gdb_remove(char *unused);
+extern int gdb_remove(int unused);
#endif
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/kernel/tt/include/mode-tt.h b/arch/um/kernel/tt/include/mode-tt.h
index efe462019069..e171e15fead5 100644
--- a/arch/um/kernel/tt/include/mode-tt.h
+++ b/arch/um/kernel/tt/include/mode-tt.h
@@ -13,7 +13,6 @@ enum { OP_NONE, OP_EXEC, OP_FORK, OP_TRACE_ON, OP_REBOOT, OP_HALT, OP_CB };
extern int tracing_pid;
extern int tracer(int (*init_proc)(void *), void *sp);
-extern void user_time_init_tt(void);
extern void sig_handler_common_tt(int sig, void *sc);
extern void syscall_handler_tt(int sig, union uml_pt_regs *regs);
extern void reboot_tt(void);
diff --git a/arch/um/kernel/tt/process_kern.c b/arch/um/kernel/tt/process_kern.c
index df810ca8fc12..a189a2b92935 100644
--- a/arch/um/kernel/tt/process_kern.c
+++ b/arch/um/kernel/tt/process_kern.c
@@ -32,10 +32,6 @@ void *switch_to_tt(void *prev, void *next, void *last)
unsigned long flags;
int err, vtalrm, alrm, prof, cpu;
char c;
- /* jailing and SMP are incompatible, so this doesn't need to be
- * made per-cpu
- */
- static int reading;
from = prev;
to = next;
@@ -59,13 +55,11 @@ void *switch_to_tt(void *prev, void *next, void *last)
c = 0;
set_current(to);
- reading = 0;
err = os_write_file(to->thread.mode.tt.switch_pipe[1], &c, sizeof(c));
if(err != sizeof(c))
panic("write of switch_pipe failed, err = %d", -err);
- reading = 1;
- if(from->thread.mode.tt.switch_pipe[0] == -1)
+ if(from->thread.mode.tt.switch_pipe[0] == -1)
os_kill_process(os_getpid(), 0);
err = os_read_file(from->thread.mode.tt.switch_pipe[0], &c, sizeof(c));
@@ -272,10 +266,10 @@ int copy_thread_tt(int nr, unsigned long clone_flags, unsigned long sp,
}
if(current->thread.forking){
- sc_to_sc(UPT_SC(&p->thread.regs.regs),
- UPT_SC(&current->thread.regs.regs));
+ sc_to_sc(UPT_SC(&p->thread.regs.regs), UPT_SC(&regs->regs));
SC_SET_SYSCALL_RETURN(UPT_SC(&p->thread.regs.regs), 0);
- if(sp != 0) SC_SP(UPT_SC(&p->thread.regs.regs)) = sp;
+ if(sp != 0)
+ SC_SP(UPT_SC(&p->thread.regs.regs)) = sp;
}
p->thread.mode.tt.extern_pid = new_pid;
@@ -465,14 +459,3 @@ int is_valid_pid(int pid)
read_unlock(&tasklist_lock);
return(0);
}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/kernel/tt/time.c b/arch/um/kernel/tt/time.c
deleted file mode 100644
index 8565b71b07cd..000000000000
--- a/arch/um/kernel/tt/time.c
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#include <signal.h>
-#include <sys/time.h>
-#include <time_user.h>
-#include "process.h"
-#include "user.h"
-
-void user_time_init_tt(void)
-{
- if(signal(SIGVTALRM, (__sighandler_t) alarm_handler) == SIG_ERR)
- panic("Couldn't set SIGVTALRM handler");
- set_interval(ITIMER_VIRTUAL);
-}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/kernel/tt/unmap.c b/arch/um/kernel/tt/unmap.c
deleted file mode 100644
index 3f7aecdbe532..000000000000
--- a/arch/um/kernel/tt/unmap.c
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Copyright (C) 2000 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#include <sys/mman.h>
-
-int switcheroo(int fd, int prot, void *from, void *to, int size)
-{
- if(munmap(to, size) < 0){
- return(-1);
- }
- if(mmap(to, size, prot, MAP_SHARED | MAP_FIXED, fd, 0) != to){
- return(-1);
- }
- if(munmap(from, size) < 0){
- return(-1);
- }
- return(0);
-}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */