diff options
Diffstat (limited to 'arch/um')
-rw-r--r-- | arch/um/include/os.h | 5 | ||||
-rw-r--r-- | arch/um/include/um_uaccess.h | 4 | ||||
-rw-r--r-- | arch/um/include/uml_uaccess.h | 24 | ||||
-rw-r--r-- | arch/um/kernel/exec.c | 2 | ||||
-rw-r--r-- | arch/um/kernel/mem.c | 2 | ||||
-rw-r--r-- | arch/um/kernel/trap.c | 6 | ||||
-rw-r--r-- | arch/um/kernel/uaccess.c | 2 | ||||
-rw-r--r-- | arch/um/os-Linux/process.c | 2 | ||||
-rw-r--r-- | arch/um/os-Linux/trap.c | 7 | ||||
-rw-r--r-- | arch/um/os-Linux/uaccess.c | 2 |
10 files changed, 14 insertions, 42 deletions
diff --git a/arch/um/include/os.h b/arch/um/include/os.h index 96f333cd560d..c704851d68b7 100644 --- a/arch/um/include/os.h +++ b/arch/um/include/os.h | |||
@@ -193,7 +193,7 @@ extern int os_getpid(void); | |||
193 | extern int os_getpgrp(void); | 193 | extern int os_getpgrp(void); |
194 | 194 | ||
195 | extern void init_new_thread_signals(void); | 195 | extern void init_new_thread_signals(void); |
196 | extern int run_kernel_thread(int (*fn)(void *), void *arg, void **jmp_ptr); | 196 | extern int run_kernel_thread(int (*fn)(void *), void *arg, jmp_buf **jmp_ptr); |
197 | 197 | ||
198 | extern int os_map_memory(void *virt, int fd, unsigned long long off, | 198 | extern int os_map_memory(void *virt, int fd, unsigned long long off, |
199 | unsigned long len, int r, int w, int x); | 199 | unsigned long len, int r, int w, int x); |
@@ -206,7 +206,7 @@ extern void os_flush_stdout(void); | |||
206 | 206 | ||
207 | /* uaccess.c */ | 207 | /* uaccess.c */ |
208 | extern unsigned long __do_user_copy(void *to, const void *from, int n, | 208 | extern unsigned long __do_user_copy(void *to, const void *from, int n, |
209 | void **fault_addr, void **fault_catcher, | 209 | void **fault_addr, jmp_buf **fault_catcher, |
210 | void (*op)(void *to, const void *from, | 210 | void (*op)(void *to, const void *from, |
211 | int n), int *faulted_out); | 211 | int n), int *faulted_out); |
212 | 212 | ||
@@ -240,7 +240,6 @@ extern int set_signals(int enable); | |||
240 | 240 | ||
241 | /* trap.c */ | 241 | /* trap.c */ |
242 | extern void os_fill_handlinfo(struct kern_handlers h); | 242 | extern void os_fill_handlinfo(struct kern_handlers h); |
243 | extern void do_longjmp(void *p, int val); | ||
244 | 243 | ||
245 | /* util.c */ | 244 | /* util.c */ |
246 | extern void stack_protections(unsigned long address); | 245 | extern void stack_protections(unsigned long address); |
diff --git a/arch/um/include/um_uaccess.h b/arch/um/include/um_uaccess.h index 5ef311a1a394..fdfc06b85605 100644 --- a/arch/um/include/um_uaccess.h +++ b/arch/um/include/um_uaccess.h | |||
@@ -30,6 +30,10 @@ | |||
30 | extern int copy_from_user(void *to, const void __user *from, int n); | 30 | extern int copy_from_user(void *to, const void __user *from, int n); |
31 | extern int copy_to_user(void __user *to, const void *from, int n); | 31 | extern int copy_to_user(void __user *to, const void *from, int n); |
32 | 32 | ||
33 | extern int __do_copy_to_user(void *to, const void *from, int n, | ||
34 | void **fault_addr, jmp_buf **fault_catcher); | ||
35 | extern void __do_copy(void *to, const void *from, int n); | ||
36 | |||
33 | /* | 37 | /* |
34 | * strncpy_from_user: - Copy a NUL terminated string from userspace. | 38 | * strncpy_from_user: - Copy a NUL terminated string from userspace. |
35 | * @dst: Destination address, in kernel space. This buffer must be at | 39 | * @dst: Destination address, in kernel space. This buffer must be at |
diff --git a/arch/um/include/uml_uaccess.h b/arch/um/include/uml_uaccess.h deleted file mode 100644 index c0df11d06f5e..000000000000 --- a/arch/um/include/uml_uaccess.h +++ /dev/null | |||
@@ -1,24 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2001 Jeff Dike (jdike@karaya.com) | ||
3 | * Licensed under the GPL | ||
4 | */ | ||
5 | |||
6 | #ifndef __UML_UACCESS_H__ | ||
7 | #define __UML_UACCESS_H__ | ||
8 | |||
9 | extern int __do_copy_to_user(void *to, const void *from, int n, | ||
10 | void **fault_addr, void **fault_catcher); | ||
11 | void __do_copy(void *to, const void *from, int n); | ||
12 | |||
13 | #endif | ||
14 | |||
15 | /* | ||
16 | * Overrides for Emacs so that we follow Linus's tabbing style. | ||
17 | * Emacs will notice this stuff at the end of the file and automatically | ||
18 | * adjust the settings for this buffer only. This must remain at the end | ||
19 | * of the file. | ||
20 | * --------------------------------------------------------------------------- | ||
21 | * Local variables: | ||
22 | * c-file-style: "linux" | ||
23 | * End: | ||
24 | */ | ||
diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c index 0d260567fd15..25c502617553 100644 --- a/arch/um/kernel/exec.c +++ b/arch/um/kernel/exec.c | |||
@@ -75,7 +75,7 @@ long um_execve(char *file, char __user *__user *argv, char __user *__user *env) | |||
75 | 75 | ||
76 | err = execve1(file, argv, env); | 76 | err = execve1(file, argv, env); |
77 | if (!err) | 77 | if (!err) |
78 | do_longjmp(current->thread.exec_buf, 1); | 78 | UML_LONGJMP(current->thread.exec_buf, 1); |
79 | return err; | 79 | return err; |
80 | } | 80 | } |
81 | 81 | ||
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c index d2b11f242698..8456397f5f4d 100644 --- a/arch/um/kernel/mem.c +++ b/arch/um/kernel/mem.c | |||
@@ -17,7 +17,7 @@ | |||
17 | #include "as-layout.h" | 17 | #include "as-layout.h" |
18 | #include "kern.h" | 18 | #include "kern.h" |
19 | #include "mem_user.h" | 19 | #include "mem_user.h" |
20 | #include "uml_uaccess.h" | 20 | #include "um_uaccess.h" |
21 | #include "os.h" | 21 | #include "os.h" |
22 | #include "linux/types.h" | 22 | #include "linux/types.h" |
23 | #include "linux/string.h" | 23 | #include "linux/string.h" |
diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c index eac63fb6183c..bd060551e619 100644 --- a/arch/um/kernel/trap.c +++ b/arch/um/kernel/trap.c | |||
@@ -149,7 +149,7 @@ unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user, | |||
149 | struct uml_pt_regs *regs) | 149 | struct uml_pt_regs *regs) |
150 | { | 150 | { |
151 | struct siginfo si; | 151 | struct siginfo si; |
152 | void *catcher; | 152 | jmp_buf *catcher; |
153 | int err; | 153 | int err; |
154 | int is_write = FAULT_WRITE(fi); | 154 | int is_write = FAULT_WRITE(fi); |
155 | unsigned long address = FAULT_ADDRESS(fi); | 155 | unsigned long address = FAULT_ADDRESS(fi); |
@@ -181,7 +181,7 @@ unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user, | |||
181 | return 0; | 181 | return 0; |
182 | else if (catcher != NULL) { | 182 | else if (catcher != NULL) { |
183 | current->thread.fault_addr = (void *) address; | 183 | current->thread.fault_addr = (void *) address; |
184 | do_longjmp(catcher, 1); | 184 | UML_LONGJMP(catcher, 1); |
185 | } | 185 | } |
186 | else if (current->thread.fault_addr != NULL) | 186 | else if (current->thread.fault_addr != NULL) |
187 | panic("fault_addr set but no fault catcher"); | 187 | panic("fault_addr set but no fault catcher"); |
@@ -233,7 +233,7 @@ void relay_signal(int sig, struct uml_pt_regs *regs) | |||
233 | static void bus_handler(int sig, struct uml_pt_regs *regs) | 233 | static void bus_handler(int sig, struct uml_pt_regs *regs) |
234 | { | 234 | { |
235 | if (current->thread.fault_catcher != NULL) | 235 | if (current->thread.fault_catcher != NULL) |
236 | do_longjmp(current->thread.fault_catcher, 1); | 236 | UML_LONGJMP(current->thread.fault_catcher, 1); |
237 | else relay_signal(sig, regs); | 237 | else relay_signal(sig, regs); |
238 | } | 238 | } |
239 | 239 | ||
diff --git a/arch/um/kernel/uaccess.c b/arch/um/kernel/uaccess.c index 054e3de0784e..d7436aacd26f 100644 --- a/arch/um/kernel/uaccess.c +++ b/arch/um/kernel/uaccess.c | |||
@@ -18,7 +18,7 @@ void __do_copy(void *to, const void *from, int n) | |||
18 | 18 | ||
19 | 19 | ||
20 | int __do_copy_to_user(void *to, const void *from, int n, | 20 | int __do_copy_to_user(void *to, const void *from, int n, |
21 | void **fault_addr, void **fault_catcher) | 21 | void **fault_addr, jmp_buf **fault_catcher) |
22 | { | 22 | { |
23 | unsigned long fault; | 23 | unsigned long fault; |
24 | int faulted; | 24 | int faulted; |
diff --git a/arch/um/os-Linux/process.c b/arch/um/os-Linux/process.c index b2e0d8c4258c..8b57eb3647f5 100644 --- a/arch/um/os-Linux/process.c +++ b/arch/um/os-Linux/process.c | |||
@@ -249,7 +249,7 @@ void init_new_thread_signals(void) | |||
249 | init_irq_signals(1); | 249 | init_irq_signals(1); |
250 | } | 250 | } |
251 | 251 | ||
252 | int run_kernel_thread(int (*fn)(void *), void *arg, void **jmp_ptr) | 252 | int run_kernel_thread(int (*fn)(void *), void *arg, jmp_buf **jmp_ptr) |
253 | { | 253 | { |
254 | jmp_buf buf; | 254 | jmp_buf buf; |
255 | int n; | 255 | int n; |
diff --git a/arch/um/os-Linux/trap.c b/arch/um/os-Linux/trap.c index be8e029f58b4..d3a34ca8a891 100644 --- a/arch/um/os-Linux/trap.c +++ b/arch/um/os-Linux/trap.c | |||
@@ -22,10 +22,3 @@ void os_fill_handlinfo(struct kern_handlers h) | |||
22 | sig_info[SIGVTALRM] = h.timer_handler; | 22 | sig_info[SIGVTALRM] = h.timer_handler; |
23 | sig_info[SIGALRM] = h.timer_handler; | 23 | sig_info[SIGALRM] = h.timer_handler; |
24 | } | 24 | } |
25 | |||
26 | void do_longjmp(void *b, int val) | ||
27 | { | ||
28 | jmp_buf *buf = b; | ||
29 | |||
30 | UML_LONGJMP(buf, val); | ||
31 | } | ||
diff --git a/arch/um/os-Linux/uaccess.c b/arch/um/os-Linux/uaccess.c index bbb73a650370..8d27b6d1df91 100644 --- a/arch/um/os-Linux/uaccess.c +++ b/arch/um/os-Linux/uaccess.c | |||
@@ -8,7 +8,7 @@ | |||
8 | #include "longjmp.h" | 8 | #include "longjmp.h" |
9 | 9 | ||
10 | unsigned long __do_user_copy(void *to, const void *from, int n, | 10 | unsigned long __do_user_copy(void *to, const void *from, int n, |
11 | void **fault_addr, void **fault_catcher, | 11 | void **fault_addr, jmp_buf **fault_catcher, |
12 | void (*op)(void *to, const void *from, | 12 | void (*op)(void *to, const void *from, |
13 | int n), int *faulted_out) | 13 | int n), int *faulted_out) |
14 | { | 14 | { |