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authorJeff Garzik <jgarzik@pobox.com>2006-01-26 22:19:57 -0500
committerJeff Garzik <jgarzik@pobox.com>2006-01-26 22:19:57 -0500
commit97309d1a0bbdcb0813ea08574b4473d8e5416012 (patch)
tree0dcbcf5aa5146147e0ac1d0c4b73b868a67d333b /arch/um/include
parentb4ea75b649417606fd6b38710a2962ec9770e772 (diff)
parentefd51b5c6798d103e3aa683464aebb2019b62119 (diff)
Merge branch 'upstream-fixes'
Diffstat (limited to 'arch/um/include')
-rw-r--r--arch/um/include/kern_util.h4
-rw-r--r--arch/um/include/longjmp.h19
-rw-r--r--arch/um/include/mode_kern.h15
-rw-r--r--arch/um/include/os.h58
-rw-r--r--arch/um/include/skas/mm_id.h17
-rw-r--r--arch/um/include/skas/mmu-skas.h24
-rw-r--r--arch/um/include/skas/mode-skas.h19
-rw-r--r--arch/um/include/skas/mode_kern_skas.h40
-rw-r--r--arch/um/include/skas/proc_mm.h44
-rw-r--r--arch/um/include/skas/skas.h26
-rw-r--r--arch/um/include/skas/stub-data.h18
-rw-r--r--arch/um/include/skas/uaccess-skas.h21
-rw-r--r--arch/um/include/time_user.h19
-rw-r--r--arch/um/include/tt/debug.h18
-rw-r--r--arch/um/include/tt/mmu-tt.h12
-rw-r--r--arch/um/include/tt/mode-tt.h23
-rw-r--r--arch/um/include/tt/mode_kern_tt.h41
-rw-r--r--arch/um/include/tt/tt.h36
-rw-r--r--arch/um/include/tt/uaccess-tt.h48
-rw-r--r--arch/um/include/user.h1
-rw-r--r--arch/um/include/user_util.h18
21 files changed, 469 insertions, 52 deletions
diff --git a/arch/um/include/kern_util.h b/arch/um/include/kern_util.h
index 8f4e46d677ab..c649108a9e9f 100644
--- a/arch/um/include/kern_util.h
+++ b/arch/um/include/kern_util.h
@@ -120,8 +120,10 @@ extern void machine_halt(void);
120extern int is_syscall(unsigned long addr); 120extern int is_syscall(unsigned long addr);
121extern void arch_switch(void); 121extern void arch_switch(void);
122extern void free_irq(unsigned int, void *); 122extern void free_irq(unsigned int, void *);
123extern int um_in_interrupt(void);
124extern int cpu(void); 123extern int cpu(void);
124
125/* Are we disallowed to sleep? Used to choose between GFP_KERNEL and GFP_ATOMIC. */
126extern int __cant_sleep(void);
125extern void segv_handler(int sig, union uml_pt_regs *regs); 127extern void segv_handler(int sig, union uml_pt_regs *regs);
126extern void sigio_handler(int sig, union uml_pt_regs *regs); 128extern void sigio_handler(int sig, union uml_pt_regs *regs);
127 129
diff --git a/arch/um/include/longjmp.h b/arch/um/include/longjmp.h
new file mode 100644
index 000000000000..018b3819ab0b
--- /dev/null
+++ b/arch/um/include/longjmp.h
@@ -0,0 +1,19 @@
1#ifndef __UML_LONGJMP_H
2#define __UML_LONGJMP_H
3
4#include <setjmp.h>
5#include "os.h"
6
7#define UML_SIGLONGJMP(buf, val) do { \
8 longjmp(*buf, val); \
9} while(0)
10
11#define UML_SIGSETJMP(buf, enable) ({ \
12 int n; \
13 enable = get_signals(); \
14 n = setjmp(*buf); \
15 if(n != 0) \
16 set_signals(enable); \
17 n; })
18
19#endif
diff --git a/arch/um/include/mode_kern.h b/arch/um/include/mode_kern.h
index 2d88afd0cf16..e7539a8451ef 100644
--- a/arch/um/include/mode_kern.h
+++ b/arch/um/include/mode_kern.h
@@ -9,22 +9,11 @@
9#include "linux/config.h" 9#include "linux/config.h"
10 10
11#ifdef CONFIG_MODE_TT 11#ifdef CONFIG_MODE_TT
12#include "mode_kern-tt.h" 12#include "mode_kern_tt.h"
13#endif 13#endif
14 14
15#ifdef CONFIG_MODE_SKAS 15#ifdef CONFIG_MODE_SKAS
16#include "mode_kern-skas.h" 16#include "mode_kern_skas.h"
17#endif 17#endif
18 18
19#endif 19#endif
20
21/*
22 * Overrides for Emacs so that we follow Linus's tabbing style.
23 * Emacs will notice this stuff at the end of the file and automatically
24 * adjust the settings for this buffer only. This must remain at the end
25 * of the file.
26 * ---------------------------------------------------------------------------
27 * Local variables:
28 * c-file-style: "linux"
29 * End:
30 */
diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index dd72d66cf0ed..eb1710b81255 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -11,6 +11,7 @@
11#include "../os/include/file.h" 11#include "../os/include/file.h"
12#include "sysdep/ptrace.h" 12#include "sysdep/ptrace.h"
13#include "kern_util.h" 13#include "kern_util.h"
14#include "skas/mm_id.h"
14 15
15#define OS_TYPE_FILE 1 16#define OS_TYPE_FILE 1
16#define OS_TYPE_DIR 2 17#define OS_TYPE_DIR 2
@@ -190,11 +191,12 @@ extern int os_protect_memory(void *addr, unsigned long len,
190 int r, int w, int x); 191 int r, int w, int x);
191extern int os_unmap_memory(void *addr, int len); 192extern int os_unmap_memory(void *addr, int len);
192extern void os_flush_stdout(void); 193extern void os_flush_stdout(void);
193extern unsigned long long os_usecs(void);
194 194
195/* tt.c 195/* tt.c
196 * for tt mode only (will be deleted in future...) 196 * for tt mode only (will be deleted in future...)
197 */ 197 */
198extern void stop(void);
199extern int wait_for_stop(int pid, int sig, int cont_type, void *relay);
198extern int protect_memory(unsigned long addr, unsigned long len, 200extern int protect_memory(unsigned long addr, unsigned long len,
199 int r, int w, int x, int must_succeed); 201 int r, int w, int x, int must_succeed);
200extern void forward_pending_sigio(int target); 202extern void forward_pending_sigio(int target);
@@ -230,9 +232,63 @@ extern void block_signals(void);
230extern void unblock_signals(void); 232extern void unblock_signals(void);
231extern int get_signals(void); 233extern int get_signals(void);
232extern int set_signals(int enable); 234extern int set_signals(int enable);
235extern void os_usr1_signal(int on);
233 236
234/* trap.c */ 237/* trap.c */
235extern void os_fill_handlinfo(struct kern_handlers h); 238extern void os_fill_handlinfo(struct kern_handlers h);
236extern void do_longjmp(void *p, int val); 239extern void do_longjmp(void *p, int val);
237 240
241/* util.c */
242extern void stack_protections(unsigned long address);
243extern void task_protections(unsigned long address);
244extern int raw(int fd);
245extern void setup_machinename(char *machine_out);
246extern void setup_hostinfo(void);
247extern int setjmp_wrapper(void (*proc)(void *, void *), ...);
248
249/* time.c */
250#define BILLION (1000 * 1000 * 1000)
251
252extern void switch_timers(int to_real);
253extern void idle_sleep(int secs);
254extern void enable_timer(void);
255extern void disable_timer(void);
256extern void user_time_init(void);
257extern void uml_idle_timer(void);
258extern unsigned long long os_nsecs(void);
259
260/* skas/mem.c */
261extern long run_syscall_stub(struct mm_id * mm_idp,
262 int syscall, unsigned long *args, long expected,
263 void **addr, int done);
264extern long syscall_stub_data(struct mm_id * mm_idp,
265 unsigned long *data, int data_count,
266 void **addr, void **stub_addr);
267extern int map(struct mm_id * mm_idp, unsigned long virt,
268 unsigned long len, int r, int w, int x, int phys_fd,
269 unsigned long long offset, int done, void **data);
270extern int unmap(struct mm_id * mm_idp, void *addr, unsigned long len,
271 int done, void **data);
272extern int protect(struct mm_id * mm_idp, unsigned long addr,
273 unsigned long len, int r, int w, int x, int done,
274 void **data);
275
276/* skas/process.c */
277extern int is_skas_winch(int pid, int fd, void *data);
278extern int start_userspace(unsigned long stub_stack);
279extern int copy_context_skas0(unsigned long stack, int pid);
280extern void userspace(union uml_pt_regs *regs);
281extern void map_stub_pages(int fd, unsigned long code,
282 unsigned long data, unsigned long stack);
283extern void new_thread(void *stack, void **switch_buf_ptr,
284 void **fork_buf_ptr, void (*handler)(int));
285extern void thread_wait(void *sw, void *fb);
286extern void switch_threads(void *me, void *next);
287extern int start_idle_thread(void *stack, void *switch_buf_ptr,
288 void **fork_buf_ptr);
289extern void initial_thread_cb_skas(void (*proc)(void *),
290 void *arg);
291extern void halt_skas(void);
292extern void reboot_skas(void);
293
238#endif 294#endif
diff --git a/arch/um/include/skas/mm_id.h b/arch/um/include/skas/mm_id.h
new file mode 100644
index 000000000000..48dd0989ddaa
--- /dev/null
+++ b/arch/um/include/skas/mm_id.h
@@ -0,0 +1,17 @@
1/*
2 * Copyright (C) 2005 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
4 */
5
6#ifndef __MM_ID_H
7#define __MM_ID_H
8
9struct mm_id {
10 union {
11 int mm_fd;
12 int pid;
13 } u;
14 unsigned long stack;
15};
16
17#endif
diff --git a/arch/um/include/skas/mmu-skas.h b/arch/um/include/skas/mmu-skas.h
new file mode 100644
index 000000000000..d8869a6ef1b4
--- /dev/null
+++ b/arch/um/include/skas/mmu-skas.h
@@ -0,0 +1,24 @@
1/*
2 * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
4 */
5
6#ifndef __SKAS_MMU_H
7#define __SKAS_MMU_H
8
9#include "linux/config.h"
10#include "mm_id.h"
11#include "asm/ldt.h"
12
13struct mmu_context_skas {
14 struct mm_id id;
15 unsigned long last_page_table;
16#ifdef CONFIG_3_LEVEL_PGTABLES
17 unsigned long last_pmd;
18#endif
19 uml_ldt_t ldt;
20};
21
22extern void switch_mm_skas(struct mm_id * mm_idp);
23
24#endif
diff --git a/arch/um/include/skas/mode-skas.h b/arch/um/include/skas/mode-skas.h
new file mode 100644
index 000000000000..260065cfeef1
--- /dev/null
+++ b/arch/um/include/skas/mode-skas.h
@@ -0,0 +1,19 @@
1/*
2 * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
4 */
5
6#ifndef __MODE_SKAS_H__
7#define __MODE_SKAS_H__
8
9#include <sysdep/ptrace.h>
10
11extern unsigned long exec_regs[];
12extern unsigned long exec_fp_regs[];
13extern unsigned long exec_fpx_regs[];
14extern int have_fpx_regs;
15
16extern void sig_handler_common_skas(int sig, void *sc_ptr);
17extern void kill_off_processes_skas(void);
18
19#endif
diff --git a/arch/um/include/skas/mode_kern_skas.h b/arch/um/include/skas/mode_kern_skas.h
new file mode 100644
index 000000000000..63c58739bde0
--- /dev/null
+++ b/arch/um/include/skas/mode_kern_skas.h
@@ -0,0 +1,40 @@
1/*
2 * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
4 */
5
6#ifndef __SKAS_MODE_KERN_H__
7#define __SKAS_MODE_KERN_H__
8
9#include "linux/sched.h"
10#include "asm/page.h"
11#include "asm/ptrace.h"
12
13extern void flush_thread_skas(void);
14extern void switch_to_skas(void *prev, void *next);
15extern void start_thread_skas(struct pt_regs *regs, unsigned long eip,
16 unsigned long esp);
17extern int copy_thread_skas(int nr, unsigned long clone_flags,
18 unsigned long sp, unsigned long stack_top,
19 struct task_struct *p, struct pt_regs *regs);
20extern void release_thread_skas(struct task_struct *task);
21extern void init_idle_skas(void);
22extern void flush_tlb_kernel_range_skas(unsigned long start,
23 unsigned long end);
24extern void flush_tlb_kernel_vm_skas(void);
25extern void __flush_tlb_one_skas(unsigned long addr);
26extern void flush_tlb_range_skas(struct vm_area_struct *vma,
27 unsigned long start, unsigned long end);
28extern void flush_tlb_mm_skas(struct mm_struct *mm);
29extern void force_flush_all_skas(void);
30extern long execute_syscall_skas(void *r);
31extern void before_mem_skas(unsigned long unused);
32extern unsigned long set_task_sizes_skas(int arg, unsigned long *host_size_out,
33 unsigned long *task_size_out);
34extern int start_uml_skas(void);
35extern int external_pid_skas(struct task_struct *task);
36extern int thread_pid_skas(struct task_struct *task);
37
38#define kmem_end_skas (host_task_size - 1024 * 1024)
39
40#endif
diff --git a/arch/um/include/skas/proc_mm.h b/arch/um/include/skas/proc_mm.h
new file mode 100644
index 000000000000..902809209603
--- /dev/null
+++ b/arch/um/include/skas/proc_mm.h
@@ -0,0 +1,44 @@
1/*
2 * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
4 */
5
6#ifndef __SKAS_PROC_MM_H
7#define __SKAS_PROC_MM_H
8
9#define MM_MMAP 54
10#define MM_MUNMAP 55
11#define MM_MPROTECT 56
12#define MM_COPY_SEGMENTS 57
13
14struct mm_mmap {
15 unsigned long addr;
16 unsigned long len;
17 unsigned long prot;
18 unsigned long flags;
19 unsigned long fd;
20 unsigned long offset;
21};
22
23struct mm_munmap {
24 unsigned long addr;
25 unsigned long len;
26};
27
28struct mm_mprotect {
29 unsigned long addr;
30 unsigned long len;
31 unsigned int prot;
32};
33
34struct proc_mm_op {
35 int op;
36 union {
37 struct mm_mmap mmap;
38 struct mm_munmap munmap;
39 struct mm_mprotect mprotect;
40 int copy_segments;
41 } u;
42};
43
44#endif
diff --git a/arch/um/include/skas/skas.h b/arch/um/include/skas/skas.h
new file mode 100644
index 000000000000..86357282d681
--- /dev/null
+++ b/arch/um/include/skas/skas.h
@@ -0,0 +1,26 @@
1/*
2 * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
4 */
5
6#ifndef __SKAS_H
7#define __SKAS_H
8
9#include "mm_id.h"
10#include "sysdep/ptrace.h"
11
12extern int userspace_pid[];
13extern int proc_mm, ptrace_faultinfo, ptrace_ldt;
14extern int skas_needs_stub;
15
16extern int user_thread(unsigned long stack, int flags);
17extern void new_thread_proc(void *stack, void (*handler)(int sig));
18extern void new_thread_handler(int sig);
19extern void handle_syscall(union uml_pt_regs *regs);
20extern void user_signal(int sig, union uml_pt_regs *regs, int pid);
21extern int new_mm(unsigned long stack);
22extern void get_skas_faultinfo(int pid, struct faultinfo * fi);
23extern long execute_syscall_skas(void *r);
24extern unsigned long current_stub_stack(void);
25
26#endif
diff --git a/arch/um/include/skas/stub-data.h b/arch/um/include/skas/stub-data.h
new file mode 100644
index 000000000000..f6ed92c3727d
--- /dev/null
+++ b/arch/um/include/skas/stub-data.h
@@ -0,0 +1,18 @@
1/*
2 * Copyright (C) 2005 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
4 */
5
6#ifndef __STUB_DATA_H
7#define __STUB_DATA_H
8
9#include <sys/time.h>
10
11struct stub_data {
12 long offset;
13 int fd;
14 struct itimerval timer;
15 long err;
16};
17
18#endif
diff --git a/arch/um/include/skas/uaccess-skas.h b/arch/um/include/skas/uaccess-skas.h
new file mode 100644
index 000000000000..224a75f4c025
--- /dev/null
+++ b/arch/um/include/skas/uaccess-skas.h
@@ -0,0 +1,21 @@
1/*
2 * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
4 */
5
6#ifndef __SKAS_UACCESS_H
7#define __SKAS_UACCESS_H
8
9#include "asm/errno.h"
10
11/* No SKAS-specific checking. */
12#define access_ok_skas(type, addr, size) 0
13
14extern int copy_from_user_skas(void *to, const void __user *from, int n);
15extern int copy_to_user_skas(void __user *to, const void *from, int n);
16extern int strncpy_from_user_skas(char *dst, const char __user *src, int count);
17extern int __clear_user_skas(void __user *mem, int len);
18extern int clear_user_skas(void __user *mem, int len);
19extern int strnlen_user_skas(const void __user *str, int len);
20
21#endif
diff --git a/arch/um/include/time_user.h b/arch/um/include/time_user.h
deleted file mode 100644
index 17d7ef2141f4..000000000000
--- a/arch/um/include/time_user.h
+++ /dev/null
@@ -1,19 +0,0 @@
1/*
2 * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
4 */
5
6#ifndef __TIME_USER_H__
7#define __TIME_USER_H__
8
9extern void timer(void);
10extern void switch_timers(int to_real);
11extern void idle_sleep(int secs);
12extern void enable_timer(void);
13extern void prepare_timer(void * ptr);
14extern void disable_timer(void);
15extern unsigned long time_lock(void);
16extern void time_unlock(unsigned long);
17extern void user_time_init(void);
18
19#endif
diff --git a/arch/um/include/tt/debug.h b/arch/um/include/tt/debug.h
new file mode 100644
index 000000000000..9778fa838296
--- /dev/null
+++ b/arch/um/include/tt/debug.h
@@ -0,0 +1,18 @@
1/*
2 * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) and
3 * Lars Brinkhoff.
4 * Licensed under the GPL
5 */
6
7#ifndef __UML_TT_DEBUG_H
8#define __UML_TT_DEBUG_H
9
10extern int debugger_proxy(int status, pid_t pid);
11extern void child_proxy(pid_t pid, int status);
12extern void init_proxy (pid_t pid, int waiting, int status);
13extern int start_debugger(char *prog, int startup, int stop, int *debugger_fd);
14extern void fake_child_exit(void);
15extern int gdb_config(char *str);
16extern int gdb_remove(int unused);
17
18#endif
diff --git a/arch/um/include/tt/mmu-tt.h b/arch/um/include/tt/mmu-tt.h
new file mode 100644
index 000000000000..572a78b22587
--- /dev/null
+++ b/arch/um/include/tt/mmu-tt.h
@@ -0,0 +1,12 @@
1/*
2 * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
4 */
5
6#ifndef __TT_MMU_H
7#define __TT_MMU_H
8
9struct mmu_context_tt {
10};
11
12#endif
diff --git a/arch/um/include/tt/mode-tt.h b/arch/um/include/tt/mode-tt.h
new file mode 100644
index 000000000000..2823cd56eea2
--- /dev/null
+++ b/arch/um/include/tt/mode-tt.h
@@ -0,0 +1,23 @@
1/*
2 * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
4 */
5
6#ifndef __MODE_TT_H__
7#define __MODE_TT_H__
8
9#include "sysdep/ptrace.h"
10
11enum { OP_NONE, OP_EXEC, OP_FORK, OP_TRACE_ON, OP_REBOOT, OP_HALT, OP_CB };
12
13extern int tracing_pid;
14
15extern int tracer(int (*init_proc)(void *), void *sp);
16extern void sig_handler_common_tt(int sig, void *sc);
17extern void syscall_handler_tt(int sig, union uml_pt_regs *regs);
18extern void reboot_tt(void);
19extern void halt_tt(void);
20extern int is_tracer_winch(int pid, int fd, void *data);
21extern void kill_off_processes_tt(void);
22
23#endif
diff --git a/arch/um/include/tt/mode_kern_tt.h b/arch/um/include/tt/mode_kern_tt.h
new file mode 100644
index 000000000000..efa0012550d0
--- /dev/null
+++ b/arch/um/include/tt/mode_kern_tt.h
@@ -0,0 +1,41 @@
1/*
2 * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
4 */
5
6#ifndef __TT_MODE_KERN_H__
7#define __TT_MODE_KERN_H__
8
9#include "linux/sched.h"
10#include "asm/page.h"
11#include "asm/ptrace.h"
12#include "asm/uaccess.h"
13
14extern void switch_to_tt(void *prev, void *next);
15extern void flush_thread_tt(void);
16extern void start_thread_tt(struct pt_regs *regs, unsigned long eip,
17 unsigned long esp);
18extern int copy_thread_tt(int nr, unsigned long clone_flags, unsigned long sp,
19 unsigned long stack_top, struct task_struct *p,
20 struct pt_regs *regs);
21extern void release_thread_tt(struct task_struct *task);
22extern void initial_thread_cb_tt(void (*proc)(void *), void *arg);
23extern void init_idle_tt(void);
24extern void flush_tlb_kernel_range_tt(unsigned long start, unsigned long end);
25extern void flush_tlb_kernel_vm_tt(void);
26extern void __flush_tlb_one_tt(unsigned long addr);
27extern void flush_tlb_range_tt(struct vm_area_struct *vma,
28 unsigned long start, unsigned long end);
29extern void flush_tlb_mm_tt(struct mm_struct *mm);
30extern void force_flush_all_tt(void);
31extern long execute_syscall_tt(void *r);
32extern void before_mem_tt(unsigned long brk_start);
33extern unsigned long set_task_sizes_tt(int arg, unsigned long *host_size_out,
34 unsigned long *task_size_out);
35extern int start_uml_tt(void);
36extern int external_pid_tt(struct task_struct *task);
37extern int thread_pid_tt(struct task_struct *task);
38
39#define kmem_end_tt (host_task_size - ABOVE_KMEM)
40
41#endif
diff --git a/arch/um/include/tt/tt.h b/arch/um/include/tt/tt.h
new file mode 100644
index 000000000000..808521980186
--- /dev/null
+++ b/arch/um/include/tt/tt.h
@@ -0,0 +1,36 @@
1/*
2 * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
4 */
5
6#ifndef __TT_H__
7#define __TT_H__
8
9#include "sysdep/ptrace.h"
10
11extern int gdb_pid;
12extern int debug;
13extern int debug_stop;
14extern int debug_trace;
15
16extern int honeypot;
17
18extern int fork_tramp(void *sig_stack);
19extern int do_proc_op(void *t, int proc_id);
20extern int tracer(int (*init_proc)(void *), void *sp);
21extern void attach_process(int pid);
22extern void tracer_panic(char *format, ...);
23extern void set_init_pid(int pid);
24extern int set_user_mode(void *task);
25extern void set_tracing(void *t, int tracing);
26extern int is_tracing(void *task);
27extern void syscall_handler(int sig, union uml_pt_regs *regs);
28extern void exit_kernel(int pid, void *task);
29extern void do_syscall(void *task, int pid, int local_using_sysemu);
30extern void do_sigtrap(void *task);
31extern int is_valid_pid(int pid);
32extern void remap_data(void *segment_start, void *segment_end, int w);
33extern long execute_syscall_tt(void *r);
34
35#endif
36
diff --git a/arch/um/include/tt/uaccess-tt.h b/arch/um/include/tt/uaccess-tt.h
new file mode 100644
index 000000000000..b19645f32f24
--- /dev/null
+++ b/arch/um/include/tt/uaccess-tt.h
@@ -0,0 +1,48 @@
1/*
2 * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com)
3 * Licensed under the GPL
4 */
5
6#ifndef __TT_UACCESS_H
7#define __TT_UACCESS_H
8
9#include "linux/string.h"
10#include "linux/sched.h"
11#include "asm/processor.h"
12#include "asm/errno.h"
13#include "asm/current.h"
14#include "asm/a.out.h"
15#include "uml_uaccess.h"
16
17#define ABOVE_KMEM (16 * 1024 * 1024)
18
19extern unsigned long end_vm;
20extern unsigned long uml_physmem;
21
22#define is_stack(addr, size) \
23 (((unsigned long) (addr) < STACK_TOP) && \
24 ((unsigned long) (addr) >= STACK_TOP - ABOVE_KMEM) && \
25 (((unsigned long) (addr) + (size)) <= STACK_TOP))
26
27#define access_ok_tt(type, addr, size) \
28 (is_stack(addr, size))
29
30extern unsigned long get_fault_addr(void);
31
32extern int __do_copy_from_user(void *to, const void *from, int n,
33 void **fault_addr, void **fault_catcher);
34extern int __do_strncpy_from_user(char *dst, const char *src, size_t n,
35 void **fault_addr, void **fault_catcher);
36extern int __do_clear_user(void *mem, size_t len, void **fault_addr,
37 void **fault_catcher);
38extern int __do_strnlen_user(const char *str, unsigned long n,
39 void **fault_addr, void **fault_catcher);
40
41extern int copy_from_user_tt(void *to, const void __user *from, int n);
42extern int copy_to_user_tt(void __user *to, const void *from, int n);
43extern int strncpy_from_user_tt(char *dst, const char __user *src, int count);
44extern int __clear_user_tt(void __user *mem, int len);
45extern int clear_user_tt(void __user *mem, int len);
46extern int strnlen_user_tt(const void __user *str, int len);
47
48#endif
diff --git a/arch/um/include/user.h b/arch/um/include/user.h
index 0f865ef46918..91b0ac4ad88c 100644
--- a/arch/um/include/user.h
+++ b/arch/um/include/user.h
@@ -18,6 +18,7 @@ extern int open_gdb_chan(void);
18extern unsigned long strlcpy(char *, const char *, unsigned long); 18extern unsigned long strlcpy(char *, const char *, unsigned long);
19extern unsigned long strlcat(char *, const char *, unsigned long); 19extern unsigned long strlcat(char *, const char *, unsigned long);
20extern void *um_vmalloc(int size); 20extern void *um_vmalloc(int size);
21extern void *um_vmalloc_atomic(int size);
21extern void vfree(void *ptr); 22extern void vfree(void *ptr);
22 23
23#endif 24#endif
diff --git a/arch/um/include/user_util.h b/arch/um/include/user_util.h
index c1dbd77b073f..a6f1f176cf84 100644
--- a/arch/um/include/user_util.h
+++ b/arch/um/include/user_util.h
@@ -44,10 +44,6 @@ extern unsigned long brk_start;
44extern int pty_output_sigio; 44extern int pty_output_sigio;
45extern int pty_close_sigio; 45extern int pty_close_sigio;
46 46
47extern void stop(void);
48extern void stack_protections(unsigned long address);
49extern void task_protections(unsigned long address);
50extern int wait_for_stop(int pid, int sig, int cont_type, void *relay);
51extern void *add_signal_handler(int sig, void (*handler)(int)); 47extern void *add_signal_handler(int sig, void (*handler)(int));
52extern int linux_main(int argc, char **argv); 48extern int linux_main(int argc, char **argv);
53extern void set_cmdline(char *cmd); 49extern void set_cmdline(char *cmd);
@@ -55,8 +51,6 @@ extern void input_cb(void (*proc)(void *), void *arg, int arg_len);
55extern int get_pty(void); 51extern int get_pty(void);
56extern void *um_kmalloc(int size); 52extern void *um_kmalloc(int size);
57extern int switcheroo(int fd, int prot, void *from, void *to, int size); 53extern int switcheroo(int fd, int prot, void *from, void *to, int size);
58extern void setup_machinename(char *machine_out);
59extern void setup_hostinfo(void);
60extern void do_exec(int old_pid, int new_pid); 54extern void do_exec(int old_pid, int new_pid);
61extern void tracer_panic(char *msg, ...); 55extern void tracer_panic(char *msg, ...);
62extern int detach(int pid, int sig); 56extern int detach(int pid, int sig);
@@ -70,18 +64,6 @@ extern int cpu_feature(char *what, char *buf, int len);
70extern int arch_handle_signal(int sig, union uml_pt_regs *regs); 64extern int arch_handle_signal(int sig, union uml_pt_regs *regs);
71extern int arch_fixup(unsigned long address, void *sc_ptr); 65extern int arch_fixup(unsigned long address, void *sc_ptr);
72extern void arch_init_thread(void); 66extern void arch_init_thread(void);
73extern int setjmp_wrapper(void (*proc)(void *, void *), ...);
74extern int raw(int fd); 67extern int raw(int fd);
75 68
76#endif 69#endif
77
78/*
79 * Overrides for Emacs so that we follow Linus's tabbing style.
80 * Emacs will notice this stuff at the end of the file and automatically
81 * adjust the settings for this buffer only. This must remain at the end
82 * of the file.
83 * ---------------------------------------------------------------------------
84 * Local variables:
85 * c-file-style: "linux"
86 * End:
87 */
generated by cgit v1.2.2 (git 2.25.0) at 2025-03-01 14:16:30 -0500