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-rw-r--r--arch/um/include/arch.h15
-rw-r--r--arch/um/include/as-layout.h35
-rw-r--r--arch/um/include/common-offsets.h2
-rw-r--r--arch/um/include/kern_util.h13
-rw-r--r--arch/um/include/net_kern.h2
-rw-r--r--arch/um/include/net_user.h2
-rw-r--r--arch/um/include/os.h17
-rw-r--r--arch/um/include/skas/mode_kern_skas.h2
-rw-r--r--arch/um/include/tlb.h8
-rw-r--r--arch/um/include/tt/uaccess-tt.h2
-rw-r--r--arch/um/include/um_malloc.h1
-rw-r--r--arch/um/include/user.h29
-rw-r--r--arch/um/include/user_util.h69
13 files changed, 90 insertions, 107 deletions
diff --git a/arch/um/include/arch.h b/arch/um/include/arch.h
new file mode 100644
index 00000000000..10ad52daa8c
--- /dev/null
+++ b/arch/um/include/arch.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ * Licensed under the GPL
+ */
+
+#ifndef __ARCH_H__
+#define __ARCH_H__
+
+#include "sysdep/ptrace.h"
+
+extern void arch_check_bugs(void);
+extern int arch_fixup(unsigned long address, union uml_pt_regs *regs);
+extern int arch_handle_signal(int sig, union uml_pt_regs *regs);
+
+#endif
diff --git a/arch/um/include/as-layout.h b/arch/um/include/as-layout.h
new file mode 100644
index 00000000000..fccf187bf4e
--- /dev/null
+++ b/arch/um/include/as-layout.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ * Licensed under the GPL
+ */
+
+#ifndef __START_H__
+#define __START_H__
+
+#include "sysdep/ptrace.h"
+
+struct cpu_task {
+ int pid;
+ void *task;
+};
+
+extern struct cpu_task cpu_tasks[];
+
+extern unsigned long low_physmem;
+extern unsigned long high_physmem;
+extern unsigned long uml_physmem;
+extern unsigned long uml_reserved;
+extern unsigned long end_vm;
+extern unsigned long start_vm;
+extern unsigned long long highmem;
+
+extern unsigned long _stext, _etext, _sdata, _edata, __bss_start, _end;
+extern unsigned long _unprotected_end;
+extern unsigned long brk_start;
+
+extern int linux_main(int argc, char **argv);
+extern void set_cmdline(char *cmd);
+
+extern void (*sig_info[])(int, union uml_pt_regs *);
+
+#endif
diff --git a/arch/um/include/common-offsets.h b/arch/um/include/common-offsets.h
index 461175f8b1d..5593a802708 100644
--- a/arch/um/include/common-offsets.h
+++ b/arch/um/include/common-offsets.h
@@ -24,5 +24,7 @@ DEFINE(UM_ELF_CLASS, ELF_CLASS);
DEFINE(UM_ELFCLASS32, ELFCLASS32);
DEFINE(UM_ELFCLASS64, ELFCLASS64);
+DEFINE(UM_NR_CPUS, NR_CPUS);
+
/* For crypto assembler code. */
DEFINE(crypto_tfm_ctx_offset, offsetof(struct crypto_tfm, __crt_ctx));
diff --git a/arch/um/include/kern_util.h b/arch/um/include/kern_util.h
index 173af029d12..50a49691e0e 100644
--- a/arch/um/include/kern_util.h
+++ b/arch/um/include/kern_util.h
@@ -8,6 +8,7 @@
#include "sysdep/ptrace.h"
#include "sysdep/faultinfo.h"
+#include "uml-config.h"
typedef void (*kern_hndl)(int, union uml_pt_regs *);
@@ -23,7 +24,6 @@ struct kern_handlers {
extern const struct kern_handlers handlinfo_kern;
extern int ncpus;
-extern char *linux_prog;
extern char *gdb_init;
extern int kmalloc_ok;
extern int jail;
@@ -34,7 +34,9 @@ extern int nsyscalls;
UML_ROUND_DOWN(((unsigned long) addr) + PAGE_SIZE - 1)
extern int kernel_fork(unsigned long flags, int (*fn)(void *), void * arg);
+#ifdef UML_CONFIG_MODE_TT
extern unsigned long stack_sp(unsigned long page);
+#endif
extern int kernel_thread_proc(void *data);
extern void syscall_segv(int sig);
extern int current_pid(void);
@@ -42,7 +44,7 @@ extern unsigned long alloc_stack(int order, int atomic);
extern int do_signal(void);
extern int is_stack_fault(unsigned long sp);
extern unsigned long segv(struct faultinfo fi, unsigned long ip,
- int is_user, void *sc);
+ int is_user, union uml_pt_regs *regs);
extern int handle_page_fault(unsigned long address, unsigned long ip,
int is_write, int is_user, int *code_out);
extern void syscall_ready(void);
@@ -50,7 +52,6 @@ extern void set_tracing(void *t, int tracing);
extern int is_tracing(void *task);
extern int segv_syscall(void);
extern void kern_finish_exec(void *task, int new_pid, unsigned long stack);
-extern int page_size(void);
extern unsigned long page_mask(void);
extern int need_finish_fork(void);
extern void free_stack(unsigned long stack, int order);
@@ -58,7 +59,6 @@ extern void add_input_request(int op, void (*proc)(int), void *arg);
extern char *current_cmd(void);
extern void timer_handler(int sig, union uml_pt_regs *regs);
extern int set_signals(int enable);
-extern void force_sigbus(void);
extern int pid_to_processor_id(int pid);
extern void deliver_signals(void *t);
extern int next_trap_index(int max);
@@ -70,7 +70,6 @@ extern void *syscall_sp(void *t);
extern void syscall_trace(union uml_pt_regs *regs, int entryexit);
extern int hz(void);
extern unsigned int do_IRQ(int irq, union uml_pt_regs *regs);
-extern int external_pid(void *t);
extern void interrupt_end(void);
extern void initial_thread_cb(void (*proc)(void *), void *arg);
extern int debugger_signal(int status, int pid);
@@ -81,7 +80,6 @@ extern int init_parent_proxy(int pid);
extern int singlestepping(void *t);
extern void check_stack_overflow(void *ptr);
extern void relay_signal(int sig, union uml_pt_regs *regs);
-extern void not_implemented(void);
extern int user_context(unsigned long sp);
extern void timer_irq(union uml_pt_regs *regs);
extern void unprotect_stack(unsigned long stack);
@@ -93,7 +91,6 @@ extern char *uml_strdup(char *string);
extern void unprotect_kernel_mem(void);
extern void protect_kernel_mem(void);
extern void uml_cleanup(void);
-extern void set_current(void *t);
extern void lock_signalled_task(void *t);
extern void IPI_handler(int cpu);
extern int jail_setup(char *line, int *add);
@@ -118,4 +115,6 @@ extern void time_init_kern(void);
extern int __cant_sleep(void);
extern void sigio_handler(int sig, union uml_pt_regs *regs);
+extern void copy_sc(union uml_pt_regs *regs, void *from);
+
#endif
diff --git a/arch/um/include/net_kern.h b/arch/um/include/net_kern.h
index 125ab42df18..9237056b910 100644
--- a/arch/um/include/net_kern.h
+++ b/arch/um/include/net_kern.h
@@ -40,7 +40,7 @@ struct uml_net_private {
void (*add_address)(unsigned char *, unsigned char *, void *);
void (*delete_address)(unsigned char *, unsigned char *, void *);
int (*set_mtu)(int mtu, void *);
- int user[1];
+ char user[0];
};
struct net_kern_info {
diff --git a/arch/um/include/net_user.h b/arch/um/include/net_user.h
index 19f207cd70f..cfe7c50634b 100644
--- a/arch/um/include/net_user.h
+++ b/arch/um/include/net_user.h
@@ -14,7 +14,7 @@
#define UML_NET_VERSION (4)
struct net_user_info {
- void (*init)(void *, void *);
+ int (*init)(void *, void *);
int (*open)(void *);
void (*close)(int, void *);
void (*remove)(void *);
diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index 5c74da41045..688d181b5f8 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -16,6 +16,8 @@
#include "sysdep/tls.h"
#include "sysdep/archsetjmp.h"
+#define CATCH_EINTR(expr) while ((errno = 0, ((expr) < 0)) && (errno == EINTR))
+
#define OS_TYPE_FILE 1
#define OS_TYPE_DIR 2
#define OS_TYPE_SYMLINK 3
@@ -273,8 +275,9 @@ extern void stack_protections(unsigned long address);
extern void task_protections(unsigned long address);
extern int raw(int fd);
extern void setup_machinename(char *machine_out);
-extern void setup_hostinfo(void);
+extern void setup_hostinfo(char *buf, int len);
extern int setjmp_wrapper(void (*proc)(void *, void *), ...);
+extern void os_dump_core(void);
/* time.c */
#define BILLION (1000 * 1000 * 1000)
@@ -297,13 +300,12 @@ extern long syscall_stub_data(struct mm_id * mm_idp,
unsigned long *data, int data_count,
void **addr, void **stub_addr);
extern int map(struct mm_id * mm_idp, unsigned long virt,
- unsigned long len, int r, int w, int x, int phys_fd,
+ unsigned long len, int prot, int phys_fd,
unsigned long long offset, int done, void **data);
-extern int unmap(struct mm_id * mm_idp, void *addr, unsigned long len,
+extern int unmap(struct mm_id * mm_idp, unsigned long addr, unsigned long len,
int done, void **data);
extern int protect(struct mm_id * mm_idp, unsigned long addr,
- unsigned long len, int r, int w, int x, int done,
- void **data);
+ unsigned long len, unsigned int prot, int done, void **data);
/* skas/process.c */
extern int is_skas_winch(int pid, int fd, void *data);
@@ -339,8 +341,11 @@ extern void maybe_sigio_broken(int fd, int read);
/* skas/trap */
extern void sig_handler_common_skas(int sig, void *sc_ptr);
-extern void user_signal(int sig, union uml_pt_regs *regs, int pid);
+/* sys-x86_64/prctl.c */
extern int os_arch_prctl(int pid, int code, unsigned long *addr);
+/* tty.c */
+int get_pty(void);
+
#endif
diff --git a/arch/um/include/skas/mode_kern_skas.h b/arch/um/include/skas/mode_kern_skas.h
index 9cd9c6ec9a6..8ee6285dfac 100644
--- a/arch/um/include/skas/mode_kern_skas.h
+++ b/arch/um/include/skas/mode_kern_skas.h
@@ -33,6 +33,8 @@ extern unsigned long set_task_sizes_skas(unsigned long *task_size_out);
extern int start_uml_skas(void);
extern int external_pid_skas(struct task_struct *task);
extern int thread_pid_skas(struct task_struct *task);
+extern void flush_tlb_page_skas(struct vm_area_struct *vma,
+ unsigned long address);
#define kmem_end_skas (host_task_size - 1024 * 1024)
diff --git a/arch/um/include/tlb.h b/arch/um/include/tlb.h
index 8efc1e0f1b8..bcd1a4afb84 100644
--- a/arch/um/include/tlb.h
+++ b/arch/um/include/tlb.h
@@ -14,9 +14,7 @@ struct host_vm_op {
struct {
unsigned long addr;
unsigned long len;
- unsigned int r:1;
- unsigned int w:1;
- unsigned int x:1;
+ unsigned int prot;
int fd;
__u64 offset;
} mmap;
@@ -27,9 +25,7 @@ struct host_vm_op {
struct {
unsigned long addr;
unsigned long len;
- unsigned int r:1;
- unsigned int w:1;
- unsigned int x:1;
+ unsigned int prot;
} mprotect;
} u;
};
diff --git a/arch/um/include/tt/uaccess-tt.h b/arch/um/include/tt/uaccess-tt.h
index b19645f32f2..13a64f61fcf 100644
--- a/arch/um/include/tt/uaccess-tt.h
+++ b/arch/um/include/tt/uaccess-tt.h
@@ -27,8 +27,6 @@ extern unsigned long uml_physmem;
#define access_ok_tt(type, addr, size) \
(is_stack(addr, size))
-extern unsigned long get_fault_addr(void);
-
extern int __do_copy_from_user(void *to, const void *from, int n,
void **fault_addr, void **fault_catcher);
extern int __do_strncpy_from_user(char *dst, const char *src, size_t n,
diff --git a/arch/um/include/um_malloc.h b/arch/um/include/um_malloc.h
index 0363a9b53f8..e6d7c5aa3f4 100644
--- a/arch/um/include/um_malloc.h
+++ b/arch/um/include/um_malloc.h
@@ -11,7 +11,6 @@ extern void *um_kmalloc_atomic(int size);
extern void kfree(const void *ptr);
extern void *um_vmalloc(int size);
-extern void *um_vmalloc_atomic(int size);
extern void vfree(void *ptr);
#endif /* __UM_MALLOC_H__ */
diff --git a/arch/um/include/user.h b/arch/um/include/user.h
index acadce3f271..d380e6d91a9 100644
--- a/arch/um/include/user.h
+++ b/arch/um/include/user.h
@@ -6,6 +6,19 @@
#ifndef __USER_H__
#define __USER_H__
+/*
+ * The usual definition - copied here because the kernel provides its own,
+ * fancier, type-safe, definition. Using that one would require
+ * copying too much infrastructure for my taste, so userspace files
+ * get less checking than kernel files.
+ */
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+
+/*
+ * This will provide the size_t definition in both kernel and userspace builds
+ */
+#include <linux/types.h>
+
extern void panic(const char *fmt, ...)
__attribute__ ((format (printf, 1, 2)));
extern int printk(const char *fmt, ...)
@@ -13,19 +26,7 @@ extern int printk(const char *fmt, ...)
extern void schedule(void);
extern int in_aton(char *str);
extern int open_gdb_chan(void);
-/* These use size_t, however unsigned long is correct on both i386 and x86_64. */
-extern unsigned long strlcpy(char *, const char *, unsigned long);
-extern unsigned long strlcat(char *, const char *, unsigned long);
+extern size_t strlcpy(char *, const char *, size_t);
+extern size_t strlcat(char *, const char *, size_t);
#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/include/user_util.h b/arch/um/include/user_util.h
deleted file mode 100644
index 023575f6734..00000000000
--- a/arch/um/include/user_util.h
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#ifndef __USER_UTIL_H__
-#define __USER_UTIL_H__
-
-#include "sysdep/ptrace.h"
-
-/* Copied from kernel.h */
-#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
-
-#define CATCH_EINTR(expr) while ((errno = 0, ((expr) < 0)) && (errno == EINTR))
-
-extern int mode_tt;
-
-extern int grantpt(int __fd);
-extern int unlockpt(int __fd);
-extern char *ptsname(int __fd);
-
-struct cpu_task {
- int pid;
- void *task;
-};
-
-extern struct cpu_task cpu_tasks[];
-
-extern void (*sig_info[])(int, union uml_pt_regs *);
-
-extern unsigned long low_physmem;
-extern unsigned long high_physmem;
-extern unsigned long uml_physmem;
-extern unsigned long uml_reserved;
-extern unsigned long end_vm;
-extern unsigned long start_vm;
-extern unsigned long long highmem;
-
-extern char host_info[];
-
-extern unsigned long _stext, _etext, _sdata, _edata, __bss_start, _end;
-extern unsigned long _unprotected_end;
-extern unsigned long brk_start;
-
-extern int pty_output_sigio;
-extern int pty_close_sigio;
-
-extern void *add_signal_handler(int sig, void (*handler)(int));
-extern int linux_main(int argc, char **argv);
-extern void set_cmdline(char *cmd);
-extern void input_cb(void (*proc)(void *), void *arg, int arg_len);
-extern int get_pty(void);
-extern int switcheroo(int fd, int prot, void *from, void *to, int size);
-extern void do_exec(int old_pid, int new_pid);
-extern void tracer_panic(char *msg, ...)
- __attribute__ ((format (printf, 1, 2)));
-extern int detach(int pid, int sig);
-extern int attach(int pid);
-extern void kill_child_dead(int pid);
-extern int cont(int pid);
-extern void check_sigio(void);
-extern void arch_check_bugs(void);
-extern int cpu_feature(char *what, char *buf, int len);
-extern int arch_handle_signal(int sig, union uml_pt_regs *regs);
-extern int arch_fixup(unsigned long address, void *sc_ptr);
-extern void arch_init_thread(void);
-extern int raw(int fd);
-
-#endif
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