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-rw-r--r--arch/um/Makefile68
-rw-r--r--arch/um/Makefile-i38622
-rw-r--r--arch/um/Makefile-skas2
-rw-r--r--arch/um/Makefile-x86_6421
-rw-r--r--arch/um/drivers/chan_kern.c60
-rw-r--r--arch/um/drivers/port_kern.c1
-rw-r--r--arch/um/include/common-offsets.h4
-rw-r--r--arch/um/include/os.h4
-rw-r--r--arch/um/include/skas_ptregs.h6
-rw-r--r--arch/um/include/sysdep-i386/sc.h44
-rw-r--r--arch/um/include/sysdep-i386/sigcontext.h10
-rw-r--r--arch/um/include/sysdep-i386/thread.h11
-rw-r--r--arch/um/include/sysdep-x86_64/sc.h45
-rw-r--r--arch/um/include/sysdep-x86_64/sigcontext.h5
-rw-r--r--arch/um/include/sysdep-x86_64/thread.h10
-rw-r--r--arch/um/include/task.h9
-rw-r--r--arch/um/include/user.h4
-rw-r--r--arch/um/kernel/irq.c1
-rw-r--r--arch/um/kernel/process_kern.c3
-rw-r--r--arch/um/kernel/sigio_user.c2
-rw-r--r--arch/um/kernel/skas/Makefile2
-rw-r--r--arch/um/kernel/skas/util/Makefile5
-rw-r--r--arch/um/kernel/skas/util/mk_ptregs-i386.c49
-rw-r--r--arch/um/kernel/skas/util/mk_ptregs-x86_64.c66
-rw-r--r--arch/um/kernel/tlb.c12
-rw-r--r--arch/um/kernel/trap_kern.c21
-rw-r--r--arch/um/kernel/tt/uaccess_user.c11
-rw-r--r--arch/um/kernel/um_arch.c2
-rw-r--r--arch/um/kernel/umid.c41
-rw-r--r--arch/um/os-Linux/elf_aux.c2
-rw-r--r--arch/um/os-Linux/util/Makefile4
-rw-r--r--arch/um/os-Linux/util/mk_user_constants.c23
-rw-r--r--arch/um/sys-i386/Makefile2
-rw-r--r--arch/um/sys-i386/kernel-offsets.c4
-rw-r--r--arch/um/sys-i386/user-offsets.c73
-rw-r--r--arch/um/sys-i386/util/Makefile5
-rw-r--r--arch/um/sys-i386/util/mk_sc.c51
-rw-r--r--arch/um/sys-i386/util/mk_thread.c22
-rw-r--r--arch/um/sys-x86_64/Makefile2
-rw-r--r--arch/um/sys-x86_64/kernel-offsets.c2
-rw-r--r--arch/um/sys-x86_64/user-offsets.c117
-rw-r--r--arch/um/sys-x86_64/util/Makefile8
-rw-r--r--arch/um/sys-x86_64/util/mk_sc.c47
-rw-r--r--arch/um/sys-x86_64/util/mk_thread.c20
-rw-r--r--arch/um/util/Makefile5
-rw-r--r--arch/um/util/mk_constants.c32
-rw-r--r--arch/um/util/mk_task.c30
47 files changed, 366 insertions, 624 deletions
diff --git a/arch/um/Makefile b/arch/um/Makefile
index 5b5af95721ab..7af37e342e33 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -28,8 +28,6 @@ SYMLINK_HEADERS := $(foreach header,$(SYMLINK_HEADERS),include/asm-um/$(header))
28ARCH_SYMLINKS = include/asm-um/arch $(ARCH_DIR)/include/sysdep $(ARCH_DIR)/os \ 28ARCH_SYMLINKS = include/asm-um/arch $(ARCH_DIR)/include/sysdep $(ARCH_DIR)/os \
29 $(SYMLINK_HEADERS) $(ARCH_DIR)/include/uml-config.h 29 $(SYMLINK_HEADERS) $(ARCH_DIR)/include/uml-config.h
30 30
31GEN_HEADERS += $(ARCH_DIR)/include/task.h $(ARCH_DIR)/include/kern_constants.h
32
33um-modes-$(CONFIG_MODE_TT) += tt 31um-modes-$(CONFIG_MODE_TT) += tt
34um-modes-$(CONFIG_MODE_SKAS) += skas 32um-modes-$(CONFIG_MODE_SKAS) += skas
35 33
@@ -45,9 +43,7 @@ endif
45 43
46ARCH_INCLUDE := -I$(ARCH_DIR)/include 44ARCH_INCLUDE := -I$(ARCH_DIR)/include
47ifneq ($(KBUILD_SRC),) 45ifneq ($(KBUILD_SRC),)
48ARCH_INCLUDE += -I$(ARCH_DIR)/include2
49ARCH_INCLUDE += -I$(srctree)/$(ARCH_DIR)/include 46ARCH_INCLUDE += -I$(srctree)/$(ARCH_DIR)/include
50MRPROPER_DIRS += $(ARCH_DIR)/include2
51endif 47endif
52SYS_DIR := $(ARCH_DIR)/include/sysdep-$(SUBARCH) 48SYS_DIR := $(ARCH_DIR)/include/sysdep-$(SUBARCH)
53 49
@@ -87,10 +83,6 @@ CONFIG_KERNEL_HALF_GIGS ?= 0
87 83
88SIZE = (($(CONFIG_NEST_LEVEL) + $(CONFIG_KERNEL_HALF_GIGS)) * 0x20000000) 84SIZE = (($(CONFIG_NEST_LEVEL) + $(CONFIG_KERNEL_HALF_GIGS)) * 0x20000000)
89 85
90ifeq ($(CONFIG_MODE_SKAS), y)
91$(SYS_HEADERS) : $(ARCH_DIR)/include/skas_ptregs.h
92endif
93
94.PHONY: linux 86.PHONY: linux
95 87
96all: linux 88all: linux
@@ -111,7 +103,8 @@ else
111$(shell cd $(ARCH_DIR) && ln -sf Kconfig.$(SUBARCH) Kconfig.arch) 103$(shell cd $(ARCH_DIR) && ln -sf Kconfig.$(SUBARCH) Kconfig.arch)
112endif 104endif
113 105
114archprepare: $(ARCH_SYMLINKS) $(SYS_HEADERS) $(GEN_HEADERS) 106archprepare: $(ARCH_SYMLINKS) $(ARCH_DIR)/include/user_constants.h
107prepare: $(ARCH_DIR)/include/kern_constants.h
115 108
116LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static 109LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static
117LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib 110LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib
@@ -146,15 +139,13 @@ endef
146#When cleaning we don't include .config, so we don't include 139#When cleaning we don't include .config, so we don't include
147#TT or skas makefiles and don't clean skas_ptregs.h. 140#TT or skas makefiles and don't clean skas_ptregs.h.
148CLEAN_FILES += linux x.i gmon.out $(ARCH_DIR)/include/uml-config.h \ 141CLEAN_FILES += linux x.i gmon.out $(ARCH_DIR)/include/uml-config.h \
149 $(GEN_HEADERS) $(ARCH_DIR)/include/skas_ptregs.h \ 142 $(ARCH_DIR)/include/user_constants.h \
150 $(ARCH_DIR)/include/user_constants.h $(ARCH_DIR)/Kconfig.arch 143 $(ARCH_DIR)/include/kern_constants.h $(ARCH_DIR)/Kconfig.arch
151 144
152MRPROPER_FILES += $(SYMLINK_HEADERS) $(ARCH_SYMLINKS) \ 145MRPROPER_FILES += $(SYMLINK_HEADERS) $(ARCH_SYMLINKS) \
153 $(addprefix $(ARCH_DIR)/kernel/,$(KERN_SYMLINKS)) $(ARCH_DIR)/os 146 $(addprefix $(ARCH_DIR)/kernel/,$(KERN_SYMLINKS)) $(ARCH_DIR)/os
154 147
155archclean: 148archclean:
156 $(Q)$(MAKE) $(clean)=$(ARCH_DIR)/util
157 $(Q)$(MAKE) $(clean)=$(ARCH_DIR)/os-$(OS)/util
158 @find . \( -name '*.bb' -o -name '*.bbg' -o -name '*.da' \ 149 @find . \( -name '*.bb' -o -name '*.bbg' -o -name '*.da' \
159 -o -name '*.gcov' \) -type f -print | xargs rm -f 150 -o -name '*.gcov' \) -type f -print | xargs rm -f
160 151
@@ -180,9 +171,7 @@ $(ARCH_DIR)/include/sysdep:
180 @echo ' SYMLINK $@' 171 @echo ' SYMLINK $@'
181ifneq ($(KBUILD_SRC),) 172ifneq ($(KBUILD_SRC),)
182 $(Q)mkdir -p $(ARCH_DIR)/include 173 $(Q)mkdir -p $(ARCH_DIR)/include
183 $(Q)mkdir -p $(ARCH_DIR)/include2 174 $(Q)ln -fsn $(srctree)/$(ARCH_DIR)/include/sysdep-$(SUBARCH) $(ARCH_DIR)/include/sysdep
184 $(Q)ln -fsn sysdep-$(SUBARCH) $(ARCH_DIR)/include/sysdep
185 $(Q)ln -fsn $(srctree)/$(ARCH_DIR)/include/sysdep-$(SUBARCH) $(ARCH_DIR)/include2/sysdep
186else 175else
187 $(Q)cd $(ARCH_DIR)/include && ln -sf sysdep-$(SUBARCH) sysdep 176 $(Q)cd $(ARCH_DIR)/include && ln -sf sysdep-$(SUBARCH) sysdep
188endif 177endif
@@ -202,8 +191,6 @@ endef
202 191
203define filechk_gen-asm-offsets 192define filechk_gen-asm-offsets
204 (set -e; \ 193 (set -e; \
205 echo "#ifndef __ASM_OFFSETS_H__"; \
206 echo "#define __ASM_OFFSETS_H__"; \
207 echo "/*"; \ 194 echo "/*"; \
208 echo " * DO NOT MODIFY."; \ 195 echo " * DO NOT MODIFY."; \
209 echo " *"; \ 196 echo " *"; \
@@ -212,8 +199,7 @@ define filechk_gen-asm-offsets
212 echo " */"; \ 199 echo " */"; \
213 echo ""; \ 200 echo ""; \
214 sed -ne "/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}"; \ 201 sed -ne "/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}"; \
215 echo ""; \ 202 echo ""; )
216 echo "#endif" )
217endef 203endef
218 204
219$(ARCH_DIR)/include/uml-config.h : include/linux/autoconf.h 205$(ARCH_DIR)/include/uml-config.h : include/linux/autoconf.h
@@ -222,50 +208,18 @@ $(ARCH_DIR)/include/uml-config.h : include/linux/autoconf.h
222$(ARCH_DIR)/user-offsets.s: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.c 208$(ARCH_DIR)/user-offsets.s: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.c
223 $(CC) $(USER_CFLAGS) -S -o $@ $< 209 $(CC) $(USER_CFLAGS) -S -o $@ $<
224 210
225$(ARCH_DIR)/user-offsets.h: $(ARCH_DIR)/user-offsets.s 211$(ARCH_DIR)/include/user_constants.h: $(ARCH_DIR)/user-offsets.s
226 $(call filechk,gen-asm-offsets) 212 $(call filechk,gen-asm-offsets)
227 213
228CLEAN_FILES += $(ARCH_DIR)/user-offsets.s $(ARCH_DIR)/user-offsets.h 214CLEAN_FILES += $(ARCH_DIR)/user-offsets.s
229 215
230$(ARCH_DIR)/kernel-offsets.s: $(ARCH_DIR)/sys-$(SUBARCH)/kernel-offsets.c \ 216$(ARCH_DIR)/kernel-offsets.s: $(ARCH_DIR)/sys-$(SUBARCH)/kernel-offsets.c \
231 $(ARCH_SYMLINKS) \ 217 archprepare
232 $(SYS_DIR)/sc.h \
233 include/asm include/linux/version.h \
234 include/config/MARKER \
235 $(ARCH_DIR)/include/user_constants.h
236 $(CC) $(CFLAGS) $(NOSTDINC_FLAGS) $(CPPFLAGS) -S -o $@ $< 218 $(CC) $(CFLAGS) $(NOSTDINC_FLAGS) $(CPPFLAGS) -S -o $@ $<
237 219
238$(ARCH_DIR)/kernel-offsets.h: $(ARCH_DIR)/kernel-offsets.s 220$(ARCH_DIR)/include/kern_constants.h: $(ARCH_DIR)/kernel-offsets.s
239 $(call filechk,gen-asm-offsets) 221 $(call filechk,gen-asm-offsets)
240 222
241CLEAN_FILES += $(ARCH_DIR)/kernel-offsets.s $(ARCH_DIR)/kernel-offsets.h 223CLEAN_FILES += $(ARCH_DIR)/kernel-offsets.s
242
243$(ARCH_DIR)/include/task.h: $(ARCH_DIR)/util/mk_task
244 $(call filechk,gen_header)
245
246$(ARCH_DIR)/include/user_constants.h: $(ARCH_DIR)/os-$(OS)/util/mk_user_constants
247 $(call filechk,gen_header)
248
249$(ARCH_DIR)/include/kern_constants.h: $(ARCH_DIR)/util/mk_constants
250 $(call filechk,gen_header)
251
252$(ARCH_DIR)/include/skas_ptregs.h: $(ARCH_DIR)/kernel/skas/util/mk_ptregs
253 $(call filechk,gen_header)
254
255$(ARCH_DIR)/os-$(OS)/util/mk_user_constants: $(ARCH_DIR)/os-$(OS)/util FORCE ;
256
257$(ARCH_DIR)/util/mk_task $(ARCH_DIR)/util/mk_constants: $(ARCH_DIR)/include/user_constants.h $(ARCH_DIR)/util \
258 FORCE ;
259
260$(ARCH_DIR)/kernel/skas/util/mk_ptregs: $(ARCH_DIR)/kernel/skas/util FORCE ;
261
262$(ARCH_DIR)/util: scripts_basic $(SYS_DIR)/sc.h $(ARCH_DIR)/kernel-offsets.h FORCE
263 $(Q)$(MAKE) $(build)=$@
264
265$(ARCH_DIR)/kernel/skas/util: scripts_basic $(ARCH_DIR)/user-offsets.h FORCE
266 $(Q)$(MAKE) $(build)=$@
267
268$(ARCH_DIR)/os-$(OS)/util: scripts_basic $(ARCH_DIR)/user-offsets.h FORCE
269 $(Q)$(MAKE) $(build)=$@
270 224
271export SUBARCH USER_CFLAGS OS 225export SUBARCH USER_CFLAGS OS
diff --git a/arch/um/Makefile-i386 b/arch/um/Makefile-i386
index 1ab431a53ac3..2ee8a2858117 100644
--- a/arch/um/Makefile-i386
+++ b/arch/um/Makefile-i386
@@ -32,25 +32,3 @@ CFLAGS += -U__$(SUBARCH)__ -U$(SUBARCH)
32ifneq ($(CONFIG_GPROF),y) 32ifneq ($(CONFIG_GPROF),y)
33ARCH_CFLAGS += -DUM_FASTCALL 33ARCH_CFLAGS += -DUM_FASTCALL
34endif 34endif
35
36SYS_UTIL_DIR := $(ARCH_DIR)/sys-i386/util
37SYS_HEADERS := $(SYS_DIR)/sc.h $(SYS_DIR)/thread.h
38
39prepare: $(SYS_HEADERS)
40
41$(SYS_DIR)/sc.h: $(SYS_UTIL_DIR)/mk_sc
42 $(call filechk,gen_header)
43
44$(SYS_DIR)/thread.h: $(SYS_UTIL_DIR)/mk_thread
45 $(call filechk,gen_header)
46
47$(SYS_UTIL_DIR)/mk_sc: scripts_basic $(ARCH_DIR)/user-offsets.h FORCE
48 $(Q)$(MAKE) $(build)=$(SYS_UTIL_DIR) $@
49
50$(SYS_UTIL_DIR)/mk_thread: scripts_basic $(ARCH_DIR)/kernel-offsets.h FORCE
51 $(Q)$(MAKE) $(build)=$(SYS_UTIL_DIR) $@
52
53$(SYS_UTIL_DIR): scripts_basic include/asm FORCE
54 $(Q)$(MAKE) $(build)=$(SYS_UTIL_DIR)
55
56CLEAN_FILES += $(SYS_HEADERS)
diff --git a/arch/um/Makefile-skas b/arch/um/Makefile-skas
index fd18ec572271..ac35de5316a6 100644
--- a/arch/um/Makefile-skas
+++ b/arch/um/Makefile-skas
@@ -10,5 +10,3 @@ CFLAGS-$(CONFIG_GCOV) += $(GCOV_OPT)
10CFLAGS-$(CONFIG_GPROF) += $(GPROF_OPT) 10CFLAGS-$(CONFIG_GPROF) += $(GPROF_OPT)
11LINK-$(CONFIG_GCOV) += $(GCOV_OPT) 11LINK-$(CONFIG_GCOV) += $(GCOV_OPT)
12LINK-$(CONFIG_GPROF) += $(GPROF_OPT) 12LINK-$(CONFIG_GPROF) += $(GPROF_OPT)
13
14GEN_HEADERS += $(ARCH_DIR)/include/skas_ptregs.h
diff --git a/arch/um/Makefile-x86_64 b/arch/um/Makefile-x86_64
index 436abbba409b..4f118d5cc2ee 100644
--- a/arch/um/Makefile-x86_64
+++ b/arch/um/Makefile-x86_64
@@ -12,24 +12,3 @@ CHECKFLAGS += -m64
12 12
13ELF_ARCH := i386:x86-64 13ELF_ARCH := i386:x86-64
14ELF_FORMAT := elf64-x86-64 14ELF_FORMAT := elf64-x86-64
15
16SYS_UTIL_DIR := $(ARCH_DIR)/sys-x86_64/util
17SYS_DIR := $(ARCH_DIR)/include/sysdep-x86_64
18
19SYS_HEADERS = $(SYS_DIR)/sc.h $(SYS_DIR)/thread.h
20
21prepare: $(SYS_HEADERS)
22
23$(SYS_DIR)/sc.h: $(SYS_UTIL_DIR)/mk_sc
24 $(call filechk,gen_header)
25
26$(SYS_DIR)/thread.h: $(SYS_UTIL_DIR)/mk_thread
27 $(call filechk,gen_header)
28
29$(SYS_UTIL_DIR)/mk_sc: scripts_basic $(ARCH_DIR)/user-offsets.h FORCE
30 $(Q)$(MAKE) $(build)=$(SYS_UTIL_DIR) $@
31
32$(SYS_UTIL_DIR)/mk_thread: scripts_basic $(GEN_HEADERS) $(ARCH_DIR)/kernel-offsets.h FORCE
33 $(Q)$(MAKE) $(build)=$(SYS_UTIL_DIR) $@
34
35CLEAN_FILES += $(SYS_HEADERS)
diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c
index 14a12d6b3df6..16e7dc89f61d 100644
--- a/arch/um/drivers/chan_kern.c
+++ b/arch/um/drivers/chan_kern.c
@@ -19,18 +19,44 @@
19#include "line.h" 19#include "line.h"
20#include "os.h" 20#include "os.h"
21 21
22#ifdef CONFIG_NOCONFIG_CHAN 22/* XXX: could well be moved to somewhere else, if needed. */
23static int my_printf(const char * fmt, ...)
24 __attribute__ ((format (printf, 1, 2)));
25
26static int my_printf(const char * fmt, ...)
27{
28 /* Yes, can be called on atomic context.*/
29 char *buf = kmalloc(4096, GFP_ATOMIC);
30 va_list args;
31 int r;
32
33 if (!buf) {
34 /* We print directly fmt.
35 * Yes, yes, yes, feel free to complain. */
36 r = strlen(fmt);
37 } else {
38 va_start(args, fmt);
39 r = vsprintf(buf, fmt, args);
40 va_end(args);
41 fmt = buf;
42 }
23 43
24/* The printk's here are wrong because we are complaining that there is no 44 if (r)
25 * output device, but printk is printing to that output device. The user will 45 r = os_write_file(1, fmt, r);
26 * never see the error. printf would be better, except it can't run on a 46 return r;
27 * kernel stack because it will overflow it. 47
28 * Use printk for now since that will avoid crashing. 48}
29 */ 49
50#ifdef CONFIG_NOCONFIG_CHAN
51/* Despite its name, there's no added trailing newline. */
52static int my_puts(const char * buf)
53{
54 return os_write_file(1, buf, strlen(buf));
55}
30 56
31static void *not_configged_init(char *str, int device, struct chan_opts *opts) 57static void *not_configged_init(char *str, int device, struct chan_opts *opts)
32{ 58{
33 printk(KERN_ERR "Using a channel type which is configured out of " 59 my_puts("Using a channel type which is configured out of "
34 "UML\n"); 60 "UML\n");
35 return(NULL); 61 return(NULL);
36} 62}
@@ -38,27 +64,27 @@ static void *not_configged_init(char *str, int device, struct chan_opts *opts)
38static int not_configged_open(int input, int output, int primary, void *data, 64static int not_configged_open(int input, int output, int primary, void *data,
39 char **dev_out) 65 char **dev_out)
40{ 66{
41 printk(KERN_ERR "Using a channel type which is configured out of " 67 my_puts("Using a channel type which is configured out of "
42 "UML\n"); 68 "UML\n");
43 return(-ENODEV); 69 return(-ENODEV);
44} 70}
45 71
46static void not_configged_close(int fd, void *data) 72static void not_configged_close(int fd, void *data)
47{ 73{
48 printk(KERN_ERR "Using a channel type which is configured out of " 74 my_puts("Using a channel type which is configured out of "
49 "UML\n"); 75 "UML\n");
50} 76}
51 77
52static int not_configged_read(int fd, char *c_out, void *data) 78static int not_configged_read(int fd, char *c_out, void *data)
53{ 79{
54 printk(KERN_ERR "Using a channel type which is configured out of " 80 my_puts("Using a channel type which is configured out of "
55 "UML\n"); 81 "UML\n");
56 return(-EIO); 82 return(-EIO);
57} 83}
58 84
59static int not_configged_write(int fd, const char *buf, int len, void *data) 85static int not_configged_write(int fd, const char *buf, int len, void *data)
60{ 86{
61 printk(KERN_ERR "Using a channel type which is configured out of " 87 my_puts("Using a channel type which is configured out of "
62 "UML\n"); 88 "UML\n");
63 return(-EIO); 89 return(-EIO);
64} 90}
@@ -66,7 +92,7 @@ static int not_configged_write(int fd, const char *buf, int len, void *data)
66static int not_configged_console_write(int fd, const char *buf, int len, 92static int not_configged_console_write(int fd, const char *buf, int len,
67 void *data) 93 void *data)
68{ 94{
69 printk(KERN_ERR "Using a channel type which is configured out of " 95 my_puts("Using a channel type which is configured out of "
70 "UML\n"); 96 "UML\n");
71 return(-EIO); 97 return(-EIO);
72} 98}
@@ -74,14 +100,14 @@ static int not_configged_console_write(int fd, const char *buf, int len,
74static int not_configged_window_size(int fd, void *data, unsigned short *rows, 100static int not_configged_window_size(int fd, void *data, unsigned short *rows,
75 unsigned short *cols) 101 unsigned short *cols)
76{ 102{
77 printk(KERN_ERR "Using a channel type which is configured out of " 103 my_puts("Using a channel type which is configured out of "
78 "UML\n"); 104 "UML\n");
79 return(-ENODEV); 105 return(-ENODEV);
80} 106}
81 107
82static void not_configged_free(void *data) 108static void not_configged_free(void *data)
83{ 109{
84 printf(KERN_ERR "Using a channel type which is configured out of " 110 my_puts("Using a channel type which is configured out of "
85 "UML\n"); 111 "UML\n");
86} 112}
87 113
@@ -457,7 +483,7 @@ static struct chan *parse_chan(char *str, int pri, int device,
457 } 483 }
458 } 484 }
459 if(ops == NULL){ 485 if(ops == NULL){
460 printk(KERN_ERR "parse_chan couldn't parse \"%s\"\n", 486 my_printf("parse_chan couldn't parse \"%s\"\n",
461 str); 487 str);
462 return(NULL); 488 return(NULL);
463 } 489 }
@@ -465,7 +491,7 @@ static struct chan *parse_chan(char *str, int pri, int device,
465 data = (*ops->init)(str, device, opts); 491 data = (*ops->init)(str, device, opts);
466 if(data == NULL) return(NULL); 492 if(data == NULL) return(NULL);
467 493
468 chan = kmalloc(sizeof(*chan), GFP_KERNEL); 494 chan = kmalloc(sizeof(*chan), GFP_ATOMIC);
469 if(chan == NULL) return(NULL); 495 if(chan == NULL) return(NULL);
470 *chan = ((struct chan) { .list = LIST_HEAD_INIT(chan->list), 496 *chan = ((struct chan) { .list = LIST_HEAD_INIT(chan->list),
471 .primary = 1, 497 .primary = 1,
diff --git a/arch/um/drivers/port_kern.c b/arch/um/drivers/port_kern.c
index c41efd207fcc..189839e4f1d4 100644
--- a/arch/um/drivers/port_kern.c
+++ b/arch/um/drivers/port_kern.c
@@ -7,7 +7,6 @@
7#include "linux/sched.h" 7#include "linux/sched.h"
8#include "linux/slab.h" 8#include "linux/slab.h"
9#include "linux/interrupt.h" 9#include "linux/interrupt.h"
10#include "linux/irq.h"
11#include "linux/spinlock.h" 10#include "linux/spinlock.h"
12#include "linux/errno.h" 11#include "linux/errno.h"
13#include "asm/atomic.h" 12#include "asm/atomic.h"
diff --git a/arch/um/include/common-offsets.h b/arch/um/include/common-offsets.h
index 782ac3a3baf9..356390d1f8b9 100644
--- a/arch/um/include/common-offsets.h
+++ b/arch/um/include/common-offsets.h
@@ -1,7 +1,7 @@
1/* for use by sys-$SUBARCH/kernel-offsets.c */ 1/* for use by sys-$SUBARCH/kernel-offsets.c */
2 2
3OFFSET(TASK_REGS, task_struct, thread.regs); 3OFFSET(HOST_TASK_REGS, task_struct, thread.regs);
4OFFSET(TASK_PID, task_struct, pid); 4OFFSET(HOST_TASK_PID, task_struct, pid);
5DEFINE(UM_KERN_PAGE_SIZE, PAGE_SIZE); 5DEFINE(UM_KERN_PAGE_SIZE, PAGE_SIZE);
6DEFINE(UM_NSEC_PER_SEC, NSEC_PER_SEC); 6DEFINE(UM_NSEC_PER_SEC, NSEC_PER_SEC);
7DEFINE_STR(UM_KERN_EMERG, KERN_EMERG); 7DEFINE_STR(UM_KERN_EMERG, KERN_EMERG);
diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index 583329d0a539..6f766e1faecc 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -157,6 +157,10 @@ extern int os_lock_file(int fd, int excl);
157extern void os_early_checks(void); 157extern void os_early_checks(void);
158extern int can_do_skas(void); 158extern int can_do_skas(void);
159 159
160/* Make sure they are clear when running in TT mode. Required by
161 * SEGV_MAYBE_FIXABLE */
162#define clear_can_do_skas() do { ptrace_faultinfo = proc_mm = 0; } while (0)
163
160/* mem.c */ 164/* mem.c */
161extern int create_mem_file(unsigned long len); 165extern int create_mem_file(unsigned long len);
162 166
diff --git a/arch/um/include/skas_ptregs.h b/arch/um/include/skas_ptregs.h
new file mode 100644
index 000000000000..73db19e9c077
--- /dev/null
+++ b/arch/um/include/skas_ptregs.h
@@ -0,0 +1,6 @@
1#ifndef __SKAS_PT_REGS_
2#define __SKAS_PT_REGS_
3
4#include <user_constants.h>
5
6#endif
diff --git a/arch/um/include/sysdep-i386/sc.h b/arch/um/include/sysdep-i386/sc.h
new file mode 100644
index 000000000000..c57d1780ad37
--- /dev/null
+++ b/arch/um/include/sysdep-i386/sc.h
@@ -0,0 +1,44 @@
1#ifndef __SYSDEP_I386_SC_H
2#define __SYSDEP_I386_SC_H
3
4#include <user_constants.h>
5
6#define SC_OFFSET(sc, field) \
7 *((unsigned long *) &(((char *) (sc))[HOST_##field]))
8#define SC_FP_OFFSET(sc, field) \
9 *((unsigned long *) &(((char *) (SC_FPSTATE(sc)))[HOST_##field]))
10#define SC_FP_OFFSET_PTR(sc, field, type) \
11 ((type *) &(((char *) (SC_FPSTATE(sc)))[HOST_##field]))
12
13#define SC_IP(sc) SC_OFFSET(sc, SC_IP)
14#define SC_SP(sc) SC_OFFSET(sc, SC_SP)
15#define SC_FS(sc) SC_OFFSET(sc, SC_FS)
16#define SC_GS(sc) SC_OFFSET(sc, SC_GS)
17#define SC_DS(sc) SC_OFFSET(sc, SC_DS)
18#define SC_ES(sc) SC_OFFSET(sc, SC_ES)
19#define SC_SS(sc) SC_OFFSET(sc, SC_SS)
20#define SC_CS(sc) SC_OFFSET(sc, SC_CS)
21#define SC_EFLAGS(sc) SC_OFFSET(sc, SC_EFLAGS)
22#define SC_EAX(sc) SC_OFFSET(sc, SC_EAX)
23#define SC_EBX(sc) SC_OFFSET(sc, SC_EBX)
24#define SC_ECX(sc) SC_OFFSET(sc, SC_ECX)
25#define SC_EDX(sc) SC_OFFSET(sc, SC_EDX)
26#define SC_EDI(sc) SC_OFFSET(sc, SC_EDI)
27#define SC_ESI(sc) SC_OFFSET(sc, SC_ESI)
28#define SC_EBP(sc) SC_OFFSET(sc, SC_EBP)
29#define SC_TRAPNO(sc) SC_OFFSET(sc, SC_TRAPNO)
30#define SC_ERR(sc) SC_OFFSET(sc, SC_ERR)
31#define SC_CR2(sc) SC_OFFSET(sc, SC_CR2)
32#define SC_FPSTATE(sc) SC_OFFSET(sc, SC_FPSTATE)
33#define SC_SIGMASK(sc) SC_OFFSET(sc, SC_SIGMASK)
34#define SC_FP_CW(sc) SC_FP_OFFSET(sc, SC_FP_CW)
35#define SC_FP_SW(sc) SC_FP_OFFSET(sc, SC_FP_SW)
36#define SC_FP_TAG(sc) SC_FP_OFFSET(sc, SC_FP_TAG)
37#define SC_FP_IPOFF(sc) SC_FP_OFFSET(sc, SC_FP_IPOFF)
38#define SC_FP_CSSEL(sc) SC_FP_OFFSET(sc, SC_FP_CSSEL)
39#define SC_FP_DATAOFF(sc) SC_FP_OFFSET(sc, SC_FP_DATAOFF)
40#define SC_FP_DATASEL(sc) SC_FP_OFFSET(sc, SC_FP_DATASEL)
41#define SC_FP_ST(sc) SC_FP_OFFSET_PTR(sc, SC_FP_ST, struct _fpstate)
42#define SC_FXSR_ENV(sc) SC_FP_OFFSET_PTR(sc, SC_FXSR_ENV, void)
43
44#endif
diff --git a/arch/um/include/sysdep-i386/sigcontext.h b/arch/um/include/sysdep-i386/sigcontext.h
index 1fe729265167..23fd2644d7ed 100644
--- a/arch/um/include/sysdep-i386/sigcontext.h
+++ b/arch/um/include/sysdep-i386/sigcontext.h
@@ -6,6 +6,7 @@
6#ifndef __SYS_SIGCONTEXT_I386_H 6#ifndef __SYS_SIGCONTEXT_I386_H
7#define __SYS_SIGCONTEXT_I386_H 7#define __SYS_SIGCONTEXT_I386_H
8 8
9#include "uml-config.h"
9#include <sysdep/sc.h> 10#include <sysdep/sc.h>
10 11
11#define IP_RESTART_SYSCALL(ip) ((ip) -= 2) 12#define IP_RESTART_SYSCALL(ip) ((ip) -= 2)
@@ -26,7 +27,14 @@
26#define SC_START_SYSCALL(sc) do SC_EAX(sc) = -ENOSYS; while(0) 27#define SC_START_SYSCALL(sc) do SC_EAX(sc) = -ENOSYS; while(0)
27 28
28/* This is Page Fault */ 29/* This is Page Fault */
29#define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14) 30#define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14)
31
32/* SKAS3 has no trap_no on i386, but get_skas_faultinfo() sets it to 0. */
33#ifdef UML_CONFIG_MODE_SKAS
34#define SEGV_MAYBE_FIXABLE(fi) ((fi)->trap_no == 0 && ptrace_faultinfo)
35#else
36#define SEGV_MAYBE_FIXABLE(fi) 0
37#endif
30 38
31extern unsigned long *sc_sigmask(void *sc_ptr); 39extern unsigned long *sc_sigmask(void *sc_ptr);
32extern int sc_get_fpregs(unsigned long buf, void *sc_ptr); 40extern int sc_get_fpregs(unsigned long buf, void *sc_ptr);
diff --git a/arch/um/include/sysdep-i386/thread.h b/arch/um/include/sysdep-i386/thread.h
new file mode 100644
index 000000000000..e2bd6bae8b8a
--- /dev/null
+++ b/arch/um/include/sysdep-i386/thread.h
@@ -0,0 +1,11 @@
1#ifndef __UM_THREAD_H
2#define __UM_THREAD_H
3
4#include <kern_constants.h>
5
6#define TASK_DEBUGREGS(task) ((unsigned long *) &(((char *) (task))[HOST_TASK_DEBUGREGS]))
7#ifdef CONFIG_MODE_TT
8#define TASK_EXTERN_PID(task) *((int *) &(((char *) (task))[HOST_TASK_EXTERN_PID]))
9#endif
10
11#endif
diff --git a/arch/um/include/sysdep-x86_64/sc.h b/arch/um/include/sysdep-x86_64/sc.h
new file mode 100644
index 000000000000..a160d9fcc596
--- /dev/null
+++ b/arch/um/include/sysdep-x86_64/sc.h
@@ -0,0 +1,45 @@
1#ifndef __SYSDEP_X86_64_SC_H
2#define __SYSDEP_X86_64_SC_H
3
4/* Copyright (C) 2003 - 2004 PathScale, Inc
5 * Released under the GPL
6 */
7
8#include <user_constants.h>
9
10#define SC_OFFSET(sc, field) \
11 *((unsigned long *) &(((char *) (sc))[HOST_##field]))
12
13#define SC_RBX(sc) SC_OFFSET(sc, SC_RBX)
14#define SC_RCX(sc) SC_OFFSET(sc, SC_RCX)
15#define SC_RDX(sc) SC_OFFSET(sc, SC_RDX)
16#define SC_RSI(sc) SC_OFFSET(sc, SC_RSI)
17#define SC_RDI(sc) SC_OFFSET(sc, SC_RDI)
18#define SC_RBP(sc) SC_OFFSET(sc, SC_RBP)
19#define SC_RAX(sc) SC_OFFSET(sc, SC_RAX)
20#define SC_R8(sc) SC_OFFSET(sc, SC_R8)
21#define SC_R9(sc) SC_OFFSET(sc, SC_R9)
22#define SC_R10(sc) SC_OFFSET(sc, SC_R10)
23#define SC_R11(sc) SC_OFFSET(sc, SC_R11)
24#define SC_R12(sc) SC_OFFSET(sc, SC_R12)
25#define SC_R13(sc) SC_OFFSET(sc, SC_R13)
26#define SC_R14(sc) SC_OFFSET(sc, SC_R14)
27#define SC_R15(sc) SC_OFFSET(sc, SC_R15)
28#define SC_IP(sc) SC_OFFSET(sc, SC_IP)
29#define SC_SP(sc) SC_OFFSET(sc, SC_SP)
30#define SC_CR2(sc) SC_OFFSET(sc, SC_CR2)
31#define SC_ERR(sc) SC_OFFSET(sc, SC_ERR)
32#define SC_TRAPNO(sc) SC_OFFSET(sc, SC_TRAPNO)
33#define SC_CS(sc) SC_OFFSET(sc, SC_CS)
34#define SC_FS(sc) SC_OFFSET(sc, SC_FS)
35#define SC_GS(sc) SC_OFFSET(sc, SC_GS)
36#define SC_EFLAGS(sc) SC_OFFSET(sc, SC_EFLAGS)
37#define SC_SIGMASK(sc) SC_OFFSET(sc, SC_SIGMASK)
38#if 0
39#define SC_ORIG_RAX(sc) SC_OFFSET(sc, SC_ORIG_RAX)
40#define SC_DS(sc) SC_OFFSET(sc, SC_DS)
41#define SC_ES(sc) SC_OFFSET(sc, SC_ES)
42#define SC_SS(sc) SC_OFFSET(sc, SC_SS)
43#endif
44
45#endif
diff --git a/arch/um/include/sysdep-x86_64/sigcontext.h b/arch/um/include/sysdep-x86_64/sigcontext.h
index 2a78260d15a0..41073235e7ad 100644
--- a/arch/um/include/sysdep-x86_64/sigcontext.h
+++ b/arch/um/include/sysdep-x86_64/sigcontext.h
@@ -31,7 +31,10 @@
31#define SC_START_SYSCALL(sc) do SC_RAX(sc) = -ENOSYS; while(0) 31#define SC_START_SYSCALL(sc) do SC_RAX(sc) = -ENOSYS; while(0)
32 32
33/* This is Page Fault */ 33/* This is Page Fault */
34#define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14) 34#define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14)
35
36/* No broken SKAS API, which doesn't pass trap_no, here. */
37#define SEGV_MAYBE_FIXABLE(fi) 0
35 38
36extern unsigned long *sc_sigmask(void *sc_ptr); 39extern unsigned long *sc_sigmask(void *sc_ptr);
37 40
diff --git a/arch/um/include/sysdep-x86_64/thread.h b/arch/um/include/sysdep-x86_64/thread.h
new file mode 100644
index 000000000000..6a76a7f3683f
--- /dev/null
+++ b/arch/um/include/sysdep-x86_64/thread.h
@@ -0,0 +1,10 @@
1#ifndef __UM_THREAD_H
2#define __UM_THREAD_H
3
4#include <kern_constants.h>
5
6#ifdef CONFIG_MODE_TT
7#define TASK_EXTERN_PID(task) *((int *) &(((char *) (task))[HOST_TASK_EXTERN_PID]))
8#endif
9
10#endif
diff --git a/arch/um/include/task.h b/arch/um/include/task.h
new file mode 100644
index 000000000000..6375ba7203c9
--- /dev/null
+++ b/arch/um/include/task.h
@@ -0,0 +1,9 @@
1#ifndef __TASK_H
2#define __TASK_H
3
4#include <kern_constants.h>
5
6#define TASK_REGS(task) ((union uml_pt_regs *) &(((char *) (task))[HOST_TASK_REGS]))
7#define TASK_PID(task) *((int *) &(((char *) (task))[HOST_TASK_PID]))
8
9#endif
diff --git a/arch/um/include/user.h b/arch/um/include/user.h
index 57ee9e261228..0f865ef46918 100644
--- a/arch/um/include/user.h
+++ b/arch/um/include/user.h
@@ -14,7 +14,9 @@ extern void *um_kmalloc_atomic(int size);
14extern void kfree(void *ptr); 14extern void kfree(void *ptr);
15extern int in_aton(char *str); 15extern int in_aton(char *str);
16extern int open_gdb_chan(void); 16extern int open_gdb_chan(void);
17extern int strlcpy(char *, const char *, int); 17/* These use size_t, however unsigned long is correct on both i386 and x86_64. */
18extern unsigned long strlcpy(char *, const char *, unsigned long);
19extern unsigned long strlcat(char *, const char *, unsigned long);
18extern void *um_vmalloc(int size); 20extern void *um_vmalloc(int size);
19extern void vfree(void *ptr); 21extern void vfree(void *ptr);
20 22
diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c
index dcd814971995..bbf94bf2921e 100644
--- a/arch/um/kernel/irq.c
+++ b/arch/um/kernel/irq.c
@@ -9,7 +9,6 @@
9#include "linux/kernel.h" 9#include "linux/kernel.h"
10#include "linux/module.h" 10#include "linux/module.h"
11#include "linux/smp.h" 11#include "linux/smp.h"
12#include "linux/irq.h"
13#include "linux/kernel_stat.h" 12#include "linux/kernel_stat.h"
14#include "linux/interrupt.h" 13#include "linux/interrupt.h"
15#include "linux/random.h" 14#include "linux/random.h"
diff --git a/arch/um/kernel/process_kern.c b/arch/um/kernel/process_kern.c
index 39cf568ccfaf..ea65db679e9c 100644
--- a/arch/um/kernel/process_kern.c
+++ b/arch/um/kernel/process_kern.c
@@ -82,7 +82,8 @@ unsigned long alloc_stack(int order, int atomic)
82 unsigned long page; 82 unsigned long page;
83 int flags = GFP_KERNEL; 83 int flags = GFP_KERNEL;
84 84
85 if(atomic) flags |= GFP_ATOMIC; 85 if (atomic)
86 flags = GFP_ATOMIC;
86 page = __get_free_pages(flags, order); 87 page = __get_free_pages(flags, order);
87 if(page == 0) 88 if(page == 0)
88 return(0); 89 return(0);
diff --git a/arch/um/kernel/sigio_user.c b/arch/um/kernel/sigio_user.c
index e89218958f38..a52751108aa1 100644
--- a/arch/um/kernel/sigio_user.c
+++ b/arch/um/kernel/sigio_user.c
@@ -340,7 +340,7 @@ static int setup_initial_poll(int fd)
340{ 340{
341 struct pollfd *p; 341 struct pollfd *p;
342 342
343 p = um_kmalloc(sizeof(struct pollfd)); 343 p = um_kmalloc_atomic(sizeof(struct pollfd));
344 if(p == NULL){ 344 if(p == NULL){
345 printk("setup_initial_poll : failed to allocate poll\n"); 345 printk("setup_initial_poll : failed to allocate poll\n");
346 return(-1); 346 return(-1);
diff --git a/arch/um/kernel/skas/Makefile b/arch/um/kernel/skas/Makefile
index db36c7c95940..8de471b59c1c 100644
--- a/arch/um/kernel/skas/Makefile
+++ b/arch/um/kernel/skas/Makefile
@@ -6,8 +6,6 @@
6obj-y := clone.o exec_kern.o mem.o mem_user.o mmu.o process.o process_kern.o \ 6obj-y := clone.o exec_kern.o mem.o mem_user.o mmu.o process.o process_kern.o \
7 syscall.o tlb.o trap_user.o uaccess.o 7 syscall.o tlb.o trap_user.o uaccess.o
8 8
9subdir- := util
10
11USER_OBJS := process.o clone.o 9USER_OBJS := process.o clone.o
12 10
13include arch/um/scripts/Makefile.rules 11include arch/um/scripts/Makefile.rules
diff --git a/arch/um/kernel/skas/util/Makefile b/arch/um/kernel/skas/util/Makefile
deleted file mode 100644
index f7b7eba83340..000000000000
--- a/arch/um/kernel/skas/util/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
1hostprogs-y := mk_ptregs
2always := $(hostprogs-y)
3
4mk_ptregs-objs := mk_ptregs-$(SUBARCH).o
5HOSTCFLAGS_mk_ptregs-$(SUBARCH).o := -I$(objtree)/arch/um
diff --git a/arch/um/kernel/skas/util/mk_ptregs-i386.c b/arch/um/kernel/skas/util/mk_ptregs-i386.c
deleted file mode 100644
index 1f96e1eeb8a7..000000000000
--- a/arch/um/kernel/skas/util/mk_ptregs-i386.c
+++ /dev/null
@@ -1,49 +0,0 @@
1#include <stdio.h>
2#include <user-offsets.h>
3
4#define SHOW(name) printf("#define %s %d\n", #name, name)
5
6int main(int argc, char **argv)
7{
8 printf("/* Automatically generated by "
9 "arch/um/kernel/skas/util/mk_ptregs */\n");
10 printf("\n");
11 printf("#ifndef __SKAS_PT_REGS_\n");
12 printf("#define __SKAS_PT_REGS_\n");
13 printf("\n");
14 SHOW(HOST_FRAME_SIZE);
15 SHOW(HOST_FP_SIZE);
16 SHOW(HOST_XFP_SIZE);
17
18 SHOW(HOST_IP);
19 SHOW(HOST_SP);
20 SHOW(HOST_EFLAGS);
21 SHOW(HOST_EAX);
22 SHOW(HOST_EBX);
23 SHOW(HOST_ECX);
24 SHOW(HOST_EDX);
25 SHOW(HOST_ESI);
26 SHOW(HOST_EDI);
27 SHOW(HOST_EBP);
28 SHOW(HOST_CS);
29 SHOW(HOST_SS);
30 SHOW(HOST_DS);
31 SHOW(HOST_FS);
32 SHOW(HOST_ES);
33 SHOW(HOST_GS);
34
35 printf("\n");
36 printf("#endif\n");
37 return(0);
38}
39
40/*
41 * Overrides for Emacs so that we follow Linus's tabbing style.
42 * Emacs will notice this stuff at the end of the file and automatically
43 * adjust the settings for this buffer only. This must remain at the end
44 * of the file.
45 * ---------------------------------------------------------------------------
46 * Local variables:
47 * c-file-style: "linux"
48 * End:
49 */
diff --git a/arch/um/kernel/skas/util/mk_ptregs-x86_64.c b/arch/um/kernel/skas/util/mk_ptregs-x86_64.c
deleted file mode 100644
index 5fccbfe35f78..000000000000
--- a/arch/um/kernel/skas/util/mk_ptregs-x86_64.c
+++ /dev/null
@@ -1,66 +0,0 @@
1/*
2 * Copyright 2003 PathScale, Inc.
3 *
4 * Licensed under the GPL
5 */
6
7#include <stdio.h>
8#include <user-offsets.h>
9
10#define SHOW(name) \
11 printf("#define %s (%d / sizeof(unsigned long))\n", #name, name)
12
13int main(int argc, char **argv)
14{
15 printf("/* Automatically generated by "
16 "arch/um/kernel/skas/util/mk_ptregs */\n");
17 printf("\n");
18 printf("#ifndef __SKAS_PT_REGS_\n");
19 printf("#define __SKAS_PT_REGS_\n");
20 SHOW(HOST_FRAME_SIZE);
21 SHOW(HOST_RBX);
22 SHOW(HOST_RCX);
23 SHOW(HOST_RDI);
24 SHOW(HOST_RSI);
25 SHOW(HOST_RDX);
26 SHOW(HOST_RBP);
27 SHOW(HOST_RAX);
28 SHOW(HOST_R8);
29 SHOW(HOST_R9);
30 SHOW(HOST_R10);
31 SHOW(HOST_R11);
32 SHOW(HOST_R12);
33 SHOW(HOST_R13);
34 SHOW(HOST_R14);
35 SHOW(HOST_R15);
36 SHOW(HOST_ORIG_RAX);
37 SHOW(HOST_CS);
38 SHOW(HOST_SS);
39 SHOW(HOST_EFLAGS);
40#if 0
41 SHOW(HOST_FS);
42 SHOW(HOST_GS);
43 SHOW(HOST_DS);
44 SHOW(HOST_ES);
45#endif
46
47 SHOW(HOST_IP);
48 SHOW(HOST_SP);
49 printf("#define HOST_FP_SIZE 0\n");
50 printf("#define HOST_XFP_SIZE 0\n");
51 printf("\n");
52 printf("\n");
53 printf("#endif\n");
54 return(0);
55}
56
57/*
58 * Overrides for Emacs so that we follow Linus's tabbing style.
59 * Emacs will notice this stuff at the end of the file and automatically
60 * adjust the settings for this buffer only. This must remain at the end
61 * of the file.
62 * ---------------------------------------------------------------------------
63 * Local variables:
64 * c-file-style: "linux"
65 * End:
66 */
diff --git a/arch/um/kernel/tlb.c b/arch/um/kernel/tlb.c
index 0a562c3c0fd8..f5b0636f9ad7 100644
--- a/arch/um/kernel/tlb.c
+++ b/arch/um/kernel/tlb.c
@@ -193,12 +193,12 @@ void fix_range_common(struct mm_struct *mm, unsigned long start_addr,
193 r = pte_read(*npte); 193 r = pte_read(*npte);
194 w = pte_write(*npte); 194 w = pte_write(*npte);
195 x = pte_exec(*npte); 195 x = pte_exec(*npte);
196 if(!pte_dirty(*npte)) 196 if (!pte_young(*npte)) {
197 w = 0; 197 r = 0;
198 if(!pte_young(*npte)){ 198 w = 0;
199 r = 0; 199 } else if (!pte_dirty(*npte)) {
200 w = 0; 200 w = 0;
201 } 201 }
202 if(force || pte_newpage(*npte)){ 202 if(force || pte_newpage(*npte)){
203 if(pte_present(*npte)) 203 if(pte_present(*npte))
204 ret = add_mmap(addr, 204 ret = add_mmap(addr,
diff --git a/arch/um/kernel/trap_kern.c b/arch/um/kernel/trap_kern.c
index 87cc6fd76ced..95c8f8733baf 100644
--- a/arch/um/kernel/trap_kern.c
+++ b/arch/um/kernel/trap_kern.c
@@ -18,6 +18,7 @@
18#include "asm/a.out.h" 18#include "asm/a.out.h"
19#include "asm/current.h" 19#include "asm/current.h"
20#include "asm/irq.h" 20#include "asm/irq.h"
21#include "sysdep/sigcontext.h"
21#include "user_util.h" 22#include "user_util.h"
22#include "kern_util.h" 23#include "kern_util.h"
23#include "kern.h" 24#include "kern.h"
@@ -25,6 +26,9 @@
25#include "mconsole_kern.h" 26#include "mconsole_kern.h"
26#include "mem.h" 27#include "mem.h"
27#include "mem_kern.h" 28#include "mem_kern.h"
29#ifdef CONFIG_MODE_SKAS
30#include "skas.h"
31#endif
28 32
29/* Note this is constrained to return 0, -EFAULT, -EACCESS, -ENOMEM by segv(). */ 33/* Note this is constrained to return 0, -EFAULT, -EACCESS, -ENOMEM by segv(). */
30int handle_page_fault(unsigned long address, unsigned long ip, 34int handle_page_fault(unsigned long address, unsigned long ip,
@@ -39,6 +43,12 @@ int handle_page_fault(unsigned long address, unsigned long ip,
39 int err = -EFAULT; 43 int err = -EFAULT;
40 44
41 *code_out = SEGV_MAPERR; 45 *code_out = SEGV_MAPERR;
46
47 /* If the fault was during atomic operation, don't take the fault, just
48 * fail. */
49 if (in_atomic())
50 goto out_nosemaphore;
51
42 down_read(&mm->mmap_sem); 52 down_read(&mm->mmap_sem);
43 vma = find_vma(mm, address); 53 vma = find_vma(mm, address);
44 if(!vma) 54 if(!vma)
@@ -89,6 +99,7 @@ survive:
89 flush_tlb_page(vma, address); 99 flush_tlb_page(vma, address);
90out: 100out:
91 up_read(&mm->mmap_sem); 101 up_read(&mm->mmap_sem);
102out_nosemaphore:
92 return(err); 103 return(err);
93 104
94/* 105/*
@@ -125,7 +136,15 @@ unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user, void *sc)
125 } 136 }
126 else if(current->mm == NULL) 137 else if(current->mm == NULL)
127 panic("Segfault with no mm"); 138 panic("Segfault with no mm");
128 err = handle_page_fault(address, ip, is_write, is_user, &si.si_code); 139
140 if (SEGV_IS_FIXABLE(&fi) || SEGV_MAYBE_FIXABLE(&fi))
141 err = handle_page_fault(address, ip, is_write, is_user, &si.si_code);
142 else {
143 err = -EFAULT;
144 /* A thread accessed NULL, we get a fault, but CR2 is invalid.
145 * This code is used in __do_copy_from_user() of TT mode. */
146 address = 0;
147 }
129 148
130 catcher = current->thread.fault_catcher; 149 catcher = current->thread.fault_catcher;
131 if(!err) 150 if(!err)
diff --git a/arch/um/kernel/tt/uaccess_user.c b/arch/um/kernel/tt/uaccess_user.c
index f01475512ecb..8c220f054b61 100644
--- a/arch/um/kernel/tt/uaccess_user.c
+++ b/arch/um/kernel/tt/uaccess_user.c
@@ -22,8 +22,15 @@ int __do_copy_from_user(void *to, const void *from, int n,
22 __do_copy, &faulted); 22 __do_copy, &faulted);
23 TASK_REGS(get_current())->tt = save; 23 TASK_REGS(get_current())->tt = save;
24 24
25 if(!faulted) return(0); 25 if(!faulted)
26 else return(n - (fault - (unsigned long) from)); 26 return 0;
27 else if (fault)
28 return n - (fault - (unsigned long) from);
29 else
30 /* In case of a general protection fault, we don't have the
31 * fault address, so NULL is used instead. Pretend we didn't
32 * copy anything. */
33 return n;
27} 34}
28 35
29static void __do_strncpy(void *dst, const void *src, int count) 36static void __do_strncpy(void *dst, const void *src, int count)
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index f0a275947d34..93dc782dc1cc 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -334,6 +334,8 @@ int linux_main(int argc, char **argv)
334 add_arg(DEFAULT_COMMAND_LINE); 334 add_arg(DEFAULT_COMMAND_LINE);
335 335
336 os_early_checks(); 336 os_early_checks();
337 if (force_tt)
338 clear_can_do_skas();
337 mode_tt = force_tt ? 1 : !can_do_skas(); 339 mode_tt = force_tt ? 1 : !can_do_skas();
338#ifndef CONFIG_MODE_TT 340#ifndef CONFIG_MODE_TT
339 if (mode_tt) { 341 if (mode_tt) {
diff --git a/arch/um/kernel/umid.c b/arch/um/kernel/umid.c
index 186c28885016..0b21d59ba0cd 100644
--- a/arch/um/kernel/umid.c
+++ b/arch/um/kernel/umid.c
@@ -31,6 +31,8 @@ static char *uml_dir = UML_DIR;
31/* Changed by set_umid */ 31/* Changed by set_umid */
32static int umid_is_random = 1; 32static int umid_is_random = 1;
33static int umid_inited = 0; 33static int umid_inited = 0;
34/* Have we created the files? Should we remove them? */
35static int umid_owned = 0;
34 36
35static int make_umid(int (*printer)(const char *fmt, ...)); 37static int make_umid(int (*printer)(const char *fmt, ...));
36 38
@@ -82,20 +84,21 @@ int __init umid_file_name(char *name, char *buf, int len)
82 84
83extern int tracing_pid; 85extern int tracing_pid;
84 86
85static int __init create_pid_file(void) 87static void __init create_pid_file(void)
86{ 88{
87 char file[strlen(uml_dir) + UMID_LEN + sizeof("/pid\0")]; 89 char file[strlen(uml_dir) + UMID_LEN + sizeof("/pid\0")];
88 char pid[sizeof("nnnnn\0")]; 90 char pid[sizeof("nnnnn\0")];
89 int fd, n; 91 int fd, n;
90 92
91 if(umid_file_name("pid", file, sizeof(file))) return 0; 93 if(umid_file_name("pid", file, sizeof(file)))
94 return;
92 95
93 fd = os_open_file(file, of_create(of_excl(of_rdwr(OPENFLAGS()))), 96 fd = os_open_file(file, of_create(of_excl(of_rdwr(OPENFLAGS()))),
94 0644); 97 0644);
95 if(fd < 0){ 98 if(fd < 0){
96 printf("Open of machine pid file \"%s\" failed: %s\n", 99 printf("Open of machine pid file \"%s\" failed: %s\n",
97 file, strerror(-fd)); 100 file, strerror(-fd));
98 return 0; 101 return;
99 } 102 }
100 103
101 sprintf(pid, "%d\n", os_getpid()); 104 sprintf(pid, "%d\n", os_getpid());
@@ -103,7 +106,6 @@ static int __init create_pid_file(void)
103 if(n != strlen(pid)) 106 if(n != strlen(pid))
104 printf("Write of pid file failed - err = %d\n", -n); 107 printf("Write of pid file failed - err = %d\n", -n);
105 os_close_file(fd); 108 os_close_file(fd);
106 return 0;
107} 109}
108 110
109static int actually_do_remove(char *dir) 111static int actually_do_remove(char *dir)
@@ -147,7 +149,8 @@ static int actually_do_remove(char *dir)
147void remove_umid_dir(void) 149void remove_umid_dir(void)
148{ 150{
149 char dir[strlen(uml_dir) + UMID_LEN + 1]; 151 char dir[strlen(uml_dir) + UMID_LEN + 1];
150 if(!umid_inited) return; 152 if (!umid_owned)
153 return;
151 154
152 sprintf(dir, "%s%s", uml_dir, umid); 155 sprintf(dir, "%s%s", uml_dir, umid);
153 actually_do_remove(dir); 156 actually_do_remove(dir);
@@ -155,11 +158,12 @@ void remove_umid_dir(void)
155 158
156char *get_umid(int only_if_set) 159char *get_umid(int only_if_set)
157{ 160{
158 if(only_if_set && umid_is_random) return(NULL); 161 if(only_if_set && umid_is_random)
159 return(umid); 162 return NULL;
163 return umid;
160} 164}
161 165
162int not_dead_yet(char *dir) 166static int not_dead_yet(char *dir)
163{ 167{
164 char file[strlen(uml_dir) + UMID_LEN + sizeof("/pid\0")]; 168 char file[strlen(uml_dir) + UMID_LEN + sizeof("/pid\0")];
165 char pid[sizeof("nnnnn\0")], *end; 169 char pid[sizeof("nnnnn\0")], *end;
@@ -193,7 +197,8 @@ int not_dead_yet(char *dir)
193 (p == CHOOSE_MODE(tracing_pid, os_getpid()))) 197 (p == CHOOSE_MODE(tracing_pid, os_getpid())))
194 dead = 1; 198 dead = 1;
195 } 199 }
196 if(!dead) return(1); 200 if(!dead)
201 return(1);
197 return(actually_do_remove(dir)); 202 return(actually_do_remove(dir));
198} 203}
199 204
@@ -232,16 +237,13 @@ static int __init make_uml_dir(void)
232 strlcpy(dir, home, sizeof(dir)); 237 strlcpy(dir, home, sizeof(dir));
233 uml_dir++; 238 uml_dir++;
234 } 239 }
240 strlcat(dir, uml_dir, sizeof(dir));
235 len = strlen(dir); 241 len = strlen(dir);
236 strncat(dir, uml_dir, sizeof(dir) - len); 242 if (len > 0 && dir[len - 1] != '/')
237 len = strlen(dir); 243 strlcat(dir, "/", sizeof(dir));
238 if((len > 0) && (len < sizeof(dir) - 1) && (dir[len - 1] != '/')){
239 dir[len] = '/';
240 dir[len + 1] = '\0';
241 }
242 244
243 uml_dir = malloc(strlen(dir) + 1); 245 uml_dir = malloc(strlen(dir) + 1);
244 if(uml_dir == NULL){ 246 if (uml_dir == NULL) {
245 printf("make_uml_dir : malloc failed, errno = %d\n", errno); 247 printf("make_uml_dir : malloc failed, errno = %d\n", errno);
246 exit(1); 248 exit(1);
247 } 249 }
@@ -286,6 +288,7 @@ static int __init make_umid(int (*printer)(const char *fmt, ...))
286 if(errno == EEXIST){ 288 if(errno == EEXIST){
287 if(not_dead_yet(tmp)){ 289 if(not_dead_yet(tmp)){
288 (*printer)("umid '%s' is in use\n", umid); 290 (*printer)("umid '%s' is in use\n", umid);
291 umid_owned = 0;
289 return(-1); 292 return(-1);
290 } 293 }
291 err = mkdir(tmp, 0777); 294 err = mkdir(tmp, 0777);
@@ -296,7 +299,8 @@ static int __init make_umid(int (*printer)(const char *fmt, ...))
296 return(-1); 299 return(-1);
297 } 300 }
298 301
299 return(0); 302 umid_owned = 1;
303 return 0;
300} 304}
301 305
302__uml_setup("uml_dir=", set_uml_dir, 306__uml_setup("uml_dir=", set_uml_dir,
@@ -309,7 +313,8 @@ static int __init make_umid_setup(void)
309 /* one function with the ordering we need ... */ 313 /* one function with the ordering we need ... */
310 make_uml_dir(); 314 make_uml_dir();
311 make_umid(printf); 315 make_umid(printf);
312 return create_pid_file(); 316 create_pid_file();
317 return 0;
313} 318}
314__uml_postsetup(make_umid_setup); 319__uml_postsetup(make_umid_setup);
315 320
diff --git a/arch/um/os-Linux/elf_aux.c b/arch/um/os-Linux/elf_aux.c
index ab33cb3c74ec..5a99dd3fbed0 100644
--- a/arch/um/os-Linux/elf_aux.c
+++ b/arch/um/os-Linux/elf_aux.c
@@ -12,7 +12,7 @@
12#include "init.h" 12#include "init.h"
13#include "elf_user.h" 13#include "elf_user.h"
14#include "mem_user.h" 14#include "mem_user.h"
15#include <kernel-offsets.h> 15#include <kern_constants.h>
16 16
17/* Use the one from the kernel - the host may miss it, if having old headers. */ 17/* Use the one from the kernel - the host may miss it, if having old headers. */
18#if UM_ELF_CLASS == UM_ELFCLASS32 18#if UM_ELF_CLASS == UM_ELFCLASS32
diff --git a/arch/um/os-Linux/util/Makefile b/arch/um/os-Linux/util/Makefile
deleted file mode 100644
index 9778aed0c314..000000000000
--- a/arch/um/os-Linux/util/Makefile
+++ /dev/null
@@ -1,4 +0,0 @@
1hostprogs-y := mk_user_constants
2always := $(hostprogs-y)
3
4HOSTCFLAGS_mk_user_constants.o := -I$(objtree)/arch/um
diff --git a/arch/um/os-Linux/util/mk_user_constants.c b/arch/um/os-Linux/util/mk_user_constants.c
deleted file mode 100644
index 4838f30eecf0..000000000000
--- a/arch/um/os-Linux/util/mk_user_constants.c
+++ /dev/null
@@ -1,23 +0,0 @@
1#include <stdio.h>
2#include <user-offsets.h>
3
4int main(int argc, char **argv)
5{
6 printf("/*\n");
7 printf(" * Generated by mk_user_constants\n");
8 printf(" */\n");
9 printf("\n");
10 printf("#ifndef __UM_USER_CONSTANTS_H\n");
11 printf("#define __UM_USER_CONSTANTS_H\n");
12 printf("\n");
13 /* I'd like to use FRAME_SIZE from ptrace.h here, but that's wrong on
14 * x86_64 (216 vs 168 bytes). user_regs_struct is the correct size on
15 * both x86_64 and i386.
16 */
17 printf("#define UM_FRAME_SIZE %d\n", __UM_FRAME_SIZE);
18
19 printf("\n");
20 printf("#endif\n");
21
22 return(0);
23}
diff --git a/arch/um/sys-i386/Makefile b/arch/um/sys-i386/Makefile
index 4ca2a229da49..6dfeb70f6957 100644
--- a/arch/um/sys-i386/Makefile
+++ b/arch/um/sys-i386/Makefile
@@ -18,6 +18,4 @@ module.c-dir = kernel
18 18
19$(obj)/stub_segv.o : _c_flags = $(call unprofile,$(CFLAGS)) 19$(obj)/stub_segv.o : _c_flags = $(call unprofile,$(CFLAGS))
20 20
21subdir- := util
22
23include arch/um/scripts/Makefile.unmap 21include arch/um/scripts/Makefile.unmap
diff --git a/arch/um/sys-i386/kernel-offsets.c b/arch/um/sys-i386/kernel-offsets.c
index a1070af2bcd8..35db85057506 100644
--- a/arch/um/sys-i386/kernel-offsets.c
+++ b/arch/um/sys-i386/kernel-offsets.c
@@ -18,9 +18,9 @@
18 18
19void foo(void) 19void foo(void)
20{ 20{
21 OFFSET(TASK_DEBUGREGS, task_struct, thread.arch.debugregs); 21 OFFSET(HOST_TASK_DEBUGREGS, task_struct, thread.arch.debugregs);
22#ifdef CONFIG_MODE_TT 22#ifdef CONFIG_MODE_TT
23 OFFSET(TASK_EXTERN_PID, task_struct, thread.mode.tt.extern_pid); 23 OFFSET(HOST_TASK_EXTERN_PID, task_struct, thread.mode.tt.extern_pid);
24#endif 24#endif
25#include <common-offsets.h> 25#include <common-offsets.h>
26} 26}
diff --git a/arch/um/sys-i386/user-offsets.c b/arch/um/sys-i386/user-offsets.c
index 3ceaabceb3d7..677fc26a9bbe 100644
--- a/arch/um/sys-i386/user-offsets.c
+++ b/arch/um/sys-i386/user-offsets.c
@@ -7,47 +7,48 @@
7#define DEFINE(sym, val) \ 7#define DEFINE(sym, val) \
8 asm volatile("\n->" #sym " %0 " #val : : "i" (val)) 8 asm volatile("\n->" #sym " %0 " #val : : "i" (val))
9 9
10#define DEFINE_LONGS(sym, val) \
11 asm volatile("\n->" #sym " %0 " #val : : "i" (val/sizeof(unsigned long)))
12
10#define OFFSET(sym, str, mem) \ 13#define OFFSET(sym, str, mem) \
11 DEFINE(sym, offsetof(struct str, mem)); 14 DEFINE(sym, offsetof(struct str, mem));
12 15
13void foo(void) 16void foo(void)
14{ 17{
15 OFFSET(SC_IP, sigcontext, eip); 18 OFFSET(HOST_SC_IP, sigcontext, eip);
16 OFFSET(SC_SP, sigcontext, esp); 19 OFFSET(HOST_SC_SP, sigcontext, esp);
17 OFFSET(SC_FS, sigcontext, fs); 20 OFFSET(HOST_SC_FS, sigcontext, fs);
18 OFFSET(SC_GS, sigcontext, gs); 21 OFFSET(HOST_SC_GS, sigcontext, gs);
19 OFFSET(SC_DS, sigcontext, ds); 22 OFFSET(HOST_SC_DS, sigcontext, ds);
20 OFFSET(SC_ES, sigcontext, es); 23 OFFSET(HOST_SC_ES, sigcontext, es);
21 OFFSET(SC_SS, sigcontext, ss); 24 OFFSET(HOST_SC_SS, sigcontext, ss);
22 OFFSET(SC_CS, sigcontext, cs); 25 OFFSET(HOST_SC_CS, sigcontext, cs);
23 OFFSET(SC_EFLAGS, sigcontext, eflags); 26 OFFSET(HOST_SC_EFLAGS, sigcontext, eflags);
24 OFFSET(SC_EAX, sigcontext, eax); 27 OFFSET(HOST_SC_EAX, sigcontext, eax);
25 OFFSET(SC_EBX, sigcontext, ebx); 28 OFFSET(HOST_SC_EBX, sigcontext, ebx);
26 OFFSET(SC_ECX, sigcontext, ecx); 29 OFFSET(HOST_SC_ECX, sigcontext, ecx);
27 OFFSET(SC_EDX, sigcontext, edx); 30 OFFSET(HOST_SC_EDX, sigcontext, edx);
28 OFFSET(SC_EDI, sigcontext, edi); 31 OFFSET(HOST_SC_EDI, sigcontext, edi);
29 OFFSET(SC_ESI, sigcontext, esi); 32 OFFSET(HOST_SC_ESI, sigcontext, esi);
30 OFFSET(SC_EBP, sigcontext, ebp); 33 OFFSET(HOST_SC_EBP, sigcontext, ebp);
31 OFFSET(SC_TRAPNO, sigcontext, trapno); 34 OFFSET(HOST_SC_TRAPNO, sigcontext, trapno);
32 OFFSET(SC_ERR, sigcontext, err); 35 OFFSET(HOST_SC_ERR, sigcontext, err);
33 OFFSET(SC_CR2, sigcontext, cr2); 36 OFFSET(HOST_SC_CR2, sigcontext, cr2);
34 OFFSET(SC_FPSTATE, sigcontext, fpstate); 37 OFFSET(HOST_SC_FPSTATE, sigcontext, fpstate);
35 OFFSET(SC_SIGMASK, sigcontext, oldmask); 38 OFFSET(HOST_SC_SIGMASK, sigcontext, oldmask);
36 OFFSET(SC_FP_CW, _fpstate, cw); 39 OFFSET(HOST_SC_FP_CW, _fpstate, cw);
37 OFFSET(SC_FP_SW, _fpstate, sw); 40 OFFSET(HOST_SC_FP_SW, _fpstate, sw);
38 OFFSET(SC_FP_TAG, _fpstate, tag); 41 OFFSET(HOST_SC_FP_TAG, _fpstate, tag);
39 OFFSET(SC_FP_IPOFF, _fpstate, ipoff); 42 OFFSET(HOST_SC_FP_IPOFF, _fpstate, ipoff);
40 OFFSET(SC_FP_CSSEL, _fpstate, cssel); 43 OFFSET(HOST_SC_FP_CSSEL, _fpstate, cssel);
41 OFFSET(SC_FP_DATAOFF, _fpstate, dataoff); 44 OFFSET(HOST_SC_FP_DATAOFF, _fpstate, dataoff);
42 OFFSET(SC_FP_DATASEL, _fpstate, datasel); 45 OFFSET(HOST_SC_FP_DATASEL, _fpstate, datasel);
43 OFFSET(SC_FP_ST, _fpstate, _st); 46 OFFSET(HOST_SC_FP_ST, _fpstate, _st);
44 OFFSET(SC_FXSR_ENV, _fpstate, _fxsr_env); 47 OFFSET(HOST_SC_FXSR_ENV, _fpstate, _fxsr_env);
45 48
46 DEFINE(HOST_FRAME_SIZE, FRAME_SIZE); 49 DEFINE_LONGS(HOST_FRAME_SIZE, FRAME_SIZE);
47 DEFINE(HOST_FP_SIZE, 50 DEFINE_LONGS(HOST_FP_SIZE, sizeof(struct user_i387_struct));
48 sizeof(struct user_i387_struct) / sizeof(unsigned long)); 51 DEFINE_LONGS(HOST_XFP_SIZE, sizeof(struct user_fxsr_struct));
49 DEFINE(HOST_XFP_SIZE,
50 sizeof(struct user_fxsr_struct) / sizeof(unsigned long));
51 52
52 DEFINE(HOST_IP, EIP); 53 DEFINE(HOST_IP, EIP);
53 DEFINE(HOST_SP, UESP); 54 DEFINE(HOST_SP, UESP);
@@ -65,5 +66,5 @@ void foo(void)
65 DEFINE(HOST_FS, FS); 66 DEFINE(HOST_FS, FS);
66 DEFINE(HOST_ES, ES); 67 DEFINE(HOST_ES, ES);
67 DEFINE(HOST_GS, GS); 68 DEFINE(HOST_GS, GS);
68 DEFINE(__UM_FRAME_SIZE, sizeof(struct user_regs_struct)); 69 DEFINE(UM_FRAME_SIZE, sizeof(struct user_regs_struct));
69} 70}
diff --git a/arch/um/sys-i386/util/Makefile b/arch/um/sys-i386/util/Makefile
deleted file mode 100644
index bf61afd0b045..000000000000
--- a/arch/um/sys-i386/util/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
1hostprogs-y := mk_sc mk_thread
2always := $(hostprogs-y)
3
4HOSTCFLAGS_mk_sc.o := -I$(objtree)/arch/um
5HOSTCFLAGS_mk_thread.o := -I$(objtree)/arch/um
diff --git a/arch/um/sys-i386/util/mk_sc.c b/arch/um/sys-i386/util/mk_sc.c
deleted file mode 100644
index 04c0d73433aa..000000000000
--- a/arch/um/sys-i386/util/mk_sc.c
+++ /dev/null
@@ -1,51 +0,0 @@
1#include <stdio.h>
2#include <user-offsets.h>
3
4#define SC_OFFSET(name, field) \
5 printf("#define " #name "(sc) *((unsigned long *) &(((char *) (sc))[%d]))\n",\
6 name)
7
8#define SC_FP_OFFSET(name, field) \
9 printf("#define " #name \
10 "(sc) *((unsigned long *) &(((char *) (SC_FPSTATE(sc)))[%d]))\n",\
11 name)
12
13#define SC_FP_OFFSET_PTR(name, field, type) \
14 printf("#define " #name \
15 "(sc) ((" type " *) &(((char *) (SC_FPSTATE(sc)))[%d]))\n",\
16 name)
17
18int main(int argc, char **argv)
19{
20 SC_OFFSET(SC_IP, eip);
21 SC_OFFSET(SC_SP, esp);
22 SC_OFFSET(SC_FS, fs);
23 SC_OFFSET(SC_GS, gs);
24 SC_OFFSET(SC_DS, ds);
25 SC_OFFSET(SC_ES, es);
26 SC_OFFSET(SC_SS, ss);
27 SC_OFFSET(SC_CS, cs);
28 SC_OFFSET(SC_EFLAGS, eflags);
29 SC_OFFSET(SC_EAX, eax);
30 SC_OFFSET(SC_EBX, ebx);
31 SC_OFFSET(SC_ECX, ecx);
32 SC_OFFSET(SC_EDX, edx);
33 SC_OFFSET(SC_EDI, edi);
34 SC_OFFSET(SC_ESI, esi);
35 SC_OFFSET(SC_EBP, ebp);
36 SC_OFFSET(SC_TRAPNO, trapno);
37 SC_OFFSET(SC_ERR, err);
38 SC_OFFSET(SC_CR2, cr2);
39 SC_OFFSET(SC_FPSTATE, fpstate);
40 SC_OFFSET(SC_SIGMASK, oldmask);
41 SC_FP_OFFSET(SC_FP_CW, cw);
42 SC_FP_OFFSET(SC_FP_SW, sw);
43 SC_FP_OFFSET(SC_FP_TAG, tag);
44 SC_FP_OFFSET(SC_FP_IPOFF, ipoff);
45 SC_FP_OFFSET(SC_FP_CSSEL, cssel);
46 SC_FP_OFFSET(SC_FP_DATAOFF, dataoff);
47 SC_FP_OFFSET(SC_FP_DATASEL, datasel);
48 SC_FP_OFFSET_PTR(SC_FP_ST, _st, "struct _fpstate");
49 SC_FP_OFFSET_PTR(SC_FXSR_ENV, _fxsr_env, "void");
50 return(0);
51}
diff --git a/arch/um/sys-i386/util/mk_thread.c b/arch/um/sys-i386/util/mk_thread.c
deleted file mode 100644
index 7470d0dda67e..000000000000
--- a/arch/um/sys-i386/util/mk_thread.c
+++ /dev/null
@@ -1,22 +0,0 @@
1#include <stdio.h>
2#include <kernel-offsets.h>
3
4int main(int argc, char **argv)
5{
6 printf("/*\n");
7 printf(" * Generated by mk_thread\n");
8 printf(" */\n");
9 printf("\n");
10 printf("#ifndef __UM_THREAD_H\n");
11 printf("#define __UM_THREAD_H\n");
12 printf("\n");
13 printf("#define TASK_DEBUGREGS(task) ((unsigned long *) "
14 "&(((char *) (task))[%d]))\n", TASK_DEBUGREGS);
15#ifdef TASK_EXTERN_PID
16 printf("#define TASK_EXTERN_PID(task) *((int *) &(((char *) (task))[%d]))\n",
17 TASK_EXTERN_PID);
18#endif
19 printf("\n");
20 printf("#endif\n");
21 return(0);
22}
diff --git a/arch/um/sys-x86_64/Makefile b/arch/um/sys-x86_64/Makefile
index f0ab574d1e95..06c3633457a2 100644
--- a/arch/um/sys-x86_64/Makefile
+++ b/arch/um/sys-x86_64/Makefile
@@ -29,6 +29,4 @@ module.c-dir = kernel
29 29
30$(obj)/stub_segv.o: _c_flags = $(call unprofile,$(CFLAGS)) 30$(obj)/stub_segv.o: _c_flags = $(call unprofile,$(CFLAGS))
31 31
32subdir- := util
33
34include arch/um/scripts/Makefile.unmap 32include arch/um/scripts/Makefile.unmap
diff --git a/arch/um/sys-x86_64/kernel-offsets.c b/arch/um/sys-x86_64/kernel-offsets.c
index 998541eade41..bfcb104b846e 100644
--- a/arch/um/sys-x86_64/kernel-offsets.c
+++ b/arch/um/sys-x86_64/kernel-offsets.c
@@ -19,7 +19,7 @@
19void foo(void) 19void foo(void)
20{ 20{
21#ifdef CONFIG_MODE_TT 21#ifdef CONFIG_MODE_TT
22 OFFSET(TASK_EXTERN_PID, task_struct, thread.mode.tt.extern_pid); 22 OFFSET(HOST_TASK_EXTERN_PID, task_struct, thread.mode.tt.extern_pid);
23#endif 23#endif
24#include <common-offsets.h> 24#include <common-offsets.h>
25} 25}
diff --git a/arch/um/sys-x86_64/user-offsets.c b/arch/um/sys-x86_64/user-offsets.c
index 513d17ceafd4..5a585bfbb8c2 100644
--- a/arch/um/sys-x86_64/user-offsets.c
+++ b/arch/um/sys-x86_64/user-offsets.c
@@ -16,71 +16,76 @@ typedef __u32 u32;
16#define DEFINE(sym, val) \ 16#define DEFINE(sym, val) \
17 asm volatile("\n->" #sym " %0 " #val : : "i" (val)) 17 asm volatile("\n->" #sym " %0 " #val : : "i" (val))
18 18
19#define DEFINE_LONGS(sym, val) \
20 asm volatile("\n->" #sym " %0 " #val : : "i" (val/sizeof(unsigned long)))
21
19#define OFFSET(sym, str, mem) \ 22#define OFFSET(sym, str, mem) \
20 DEFINE(sym, offsetof(struct str, mem)); 23 DEFINE(sym, offsetof(struct str, mem));
21 24
22void foo(void) 25void foo(void)
23{ 26{
24 OFFSET(SC_RBX, sigcontext, rbx); 27 OFFSET(HOST_SC_RBX, sigcontext, rbx);
25 OFFSET(SC_RCX, sigcontext, rcx); 28 OFFSET(HOST_SC_RCX, sigcontext, rcx);
26 OFFSET(SC_RDX, sigcontext, rdx); 29 OFFSET(HOST_SC_RDX, sigcontext, rdx);
27 OFFSET(SC_RSI, sigcontext, rsi); 30 OFFSET(HOST_SC_RSI, sigcontext, rsi);
28 OFFSET(SC_RDI, sigcontext, rdi); 31 OFFSET(HOST_SC_RDI, sigcontext, rdi);
29 OFFSET(SC_RBP, sigcontext, rbp); 32 OFFSET(HOST_SC_RBP, sigcontext, rbp);
30 OFFSET(SC_RAX, sigcontext, rax); 33 OFFSET(HOST_SC_RAX, sigcontext, rax);
31 OFFSET(SC_R8, sigcontext, r8); 34 OFFSET(HOST_SC_R8, sigcontext, r8);
32 OFFSET(SC_R9, sigcontext, r9); 35 OFFSET(HOST_SC_R9, sigcontext, r9);
33 OFFSET(SC_R10, sigcontext, r10); 36 OFFSET(HOST_SC_R10, sigcontext, r10);
34 OFFSET(SC_R11, sigcontext, r11); 37 OFFSET(HOST_SC_R11, sigcontext, r11);
35 OFFSET(SC_R12, sigcontext, r12); 38 OFFSET(HOST_SC_R12, sigcontext, r12);
36 OFFSET(SC_R13, sigcontext, r13); 39 OFFSET(HOST_SC_R13, sigcontext, r13);
37 OFFSET(SC_R14, sigcontext, r14); 40 OFFSET(HOST_SC_R14, sigcontext, r14);
38 OFFSET(SC_R15, sigcontext, r15); 41 OFFSET(HOST_SC_R15, sigcontext, r15);
39 OFFSET(SC_IP, sigcontext, rip); 42 OFFSET(HOST_SC_IP, sigcontext, rip);
40 OFFSET(SC_SP, sigcontext, rsp); 43 OFFSET(HOST_SC_SP, sigcontext, rsp);
41 OFFSET(SC_CR2, sigcontext, cr2); 44 OFFSET(HOST_SC_CR2, sigcontext, cr2);
42 OFFSET(SC_ERR, sigcontext, err); 45 OFFSET(HOST_SC_ERR, sigcontext, err);
43 OFFSET(SC_TRAPNO, sigcontext, trapno); 46 OFFSET(HOST_SC_TRAPNO, sigcontext, trapno);
44 OFFSET(SC_CS, sigcontext, cs); 47 OFFSET(HOST_SC_CS, sigcontext, cs);
45 OFFSET(SC_FS, sigcontext, fs); 48 OFFSET(HOST_SC_FS, sigcontext, fs);
46 OFFSET(SC_GS, sigcontext, gs); 49 OFFSET(HOST_SC_GS, sigcontext, gs);
47 OFFSET(SC_EFLAGS, sigcontext, eflags); 50 OFFSET(HOST_SC_EFLAGS, sigcontext, eflags);
48 OFFSET(SC_SIGMASK, sigcontext, oldmask); 51 OFFSET(HOST_SC_SIGMASK, sigcontext, oldmask);
49#if 0 52#if 0
50 OFFSET(SC_ORIG_RAX, sigcontext, orig_rax); 53 OFFSET(HOST_SC_ORIG_RAX, sigcontext, orig_rax);
51 OFFSET(SC_DS, sigcontext, ds); 54 OFFSET(HOST_SC_DS, sigcontext, ds);
52 OFFSET(SC_ES, sigcontext, es); 55 OFFSET(HOST_SC_ES, sigcontext, es);
53 OFFSET(SC_SS, sigcontext, ss); 56 OFFSET(HOST_SC_SS, sigcontext, ss);
54#endif 57#endif
55 58
56 DEFINE(HOST_FRAME_SIZE, FRAME_SIZE); 59 DEFINE_LONGS(HOST_FRAME_SIZE, FRAME_SIZE);
57 DEFINE(HOST_RBX, RBX); 60 DEFINE(HOST_FP_SIZE, 0);
58 DEFINE(HOST_RCX, RCX); 61 DEFINE(HOST_XFP_SIZE, 0);
59 DEFINE(HOST_RDI, RDI); 62 DEFINE_LONGS(HOST_RBX, RBX);
60 DEFINE(HOST_RSI, RSI); 63 DEFINE_LONGS(HOST_RCX, RCX);
61 DEFINE(HOST_RDX, RDX); 64 DEFINE_LONGS(HOST_RDI, RDI);
62 DEFINE(HOST_RBP, RBP); 65 DEFINE_LONGS(HOST_RSI, RSI);
63 DEFINE(HOST_RAX, RAX); 66 DEFINE_LONGS(HOST_RDX, RDX);
64 DEFINE(HOST_R8, R8); 67 DEFINE_LONGS(HOST_RBP, RBP);
65 DEFINE(HOST_R9, R9); 68 DEFINE_LONGS(HOST_RAX, RAX);
66 DEFINE(HOST_R10, R10); 69 DEFINE_LONGS(HOST_R8, R8);
67 DEFINE(HOST_R11, R11); 70 DEFINE_LONGS(HOST_R9, R9);
68 DEFINE(HOST_R12, R12); 71 DEFINE_LONGS(HOST_R10, R10);
69 DEFINE(HOST_R13, R13); 72 DEFINE_LONGS(HOST_R11, R11);
70 DEFINE(HOST_R14, R14); 73 DEFINE_LONGS(HOST_R12, R12);
71 DEFINE(HOST_R15, R15); 74 DEFINE_LONGS(HOST_R13, R13);
72 DEFINE(HOST_ORIG_RAX, ORIG_RAX); 75 DEFINE_LONGS(HOST_R14, R14);
73 DEFINE(HOST_CS, CS); 76 DEFINE_LONGS(HOST_R15, R15);
74 DEFINE(HOST_SS, SS); 77 DEFINE_LONGS(HOST_ORIG_RAX, ORIG_RAX);
75 DEFINE(HOST_EFLAGS, EFLAGS); 78 DEFINE_LONGS(HOST_CS, CS);
79 DEFINE_LONGS(HOST_SS, SS);
80 DEFINE_LONGS(HOST_EFLAGS, EFLAGS);
76#if 0 81#if 0
77 DEFINE(HOST_FS, FS); 82 DEFINE_LONGS(HOST_FS, FS);
78 DEFINE(HOST_GS, GS); 83 DEFINE_LONGS(HOST_GS, GS);
79 DEFINE(HOST_DS, DS); 84 DEFINE_LONGS(HOST_DS, DS);
80 DEFINE(HOST_ES, ES); 85 DEFINE_LONGS(HOST_ES, ES);
81#endif 86#endif
82 87
83 DEFINE(HOST_IP, RIP); 88 DEFINE_LONGS(HOST_IP, RIP);
84 DEFINE(HOST_SP, RSP); 89 DEFINE_LONGS(HOST_SP, RSP);
85 DEFINE(__UM_FRAME_SIZE, sizeof(struct user_regs_struct)); 90 DEFINE(UM_FRAME_SIZE, sizeof(struct user_regs_struct));
86} 91}
diff --git a/arch/um/sys-x86_64/util/Makefile b/arch/um/sys-x86_64/util/Makefile
deleted file mode 100644
index 75b052cfc206..000000000000
--- a/arch/um/sys-x86_64/util/Makefile
+++ /dev/null
@@ -1,8 +0,0 @@
1# Copyright 2003 - 2004 Pathscale, Inc
2# Released under the GPL
3
4hostprogs-y := mk_sc mk_thread
5always := $(hostprogs-y)
6
7HOSTCFLAGS_mk_sc.o := -I$(objtree)/arch/um
8HOSTCFLAGS_mk_thread.o := -I$(objtree)/arch/um
diff --git a/arch/um/sys-x86_64/util/mk_sc.c b/arch/um/sys-x86_64/util/mk_sc.c
deleted file mode 100644
index 7619bc377c1f..000000000000
--- a/arch/um/sys-x86_64/util/mk_sc.c
+++ /dev/null
@@ -1,47 +0,0 @@
1/* Copyright (C) 2003 - 2004 PathScale, Inc
2 * Released under the GPL
3 */
4
5#include <stdio.h>
6#include <user-offsets.h>
7
8#define SC_OFFSET(name) \
9 printf("#define " #name \
10 "(sc) *((unsigned long *) &(((char *) (sc))[%d]))\n",\
11 name)
12
13int main(int argc, char **argv)
14{
15 SC_OFFSET(SC_RBX);
16 SC_OFFSET(SC_RCX);
17 SC_OFFSET(SC_RDX);
18 SC_OFFSET(SC_RSI);
19 SC_OFFSET(SC_RDI);
20 SC_OFFSET(SC_RBP);
21 SC_OFFSET(SC_RAX);
22 SC_OFFSET(SC_R8);
23 SC_OFFSET(SC_R9);
24 SC_OFFSET(SC_R10);
25 SC_OFFSET(SC_R11);
26 SC_OFFSET(SC_R12);
27 SC_OFFSET(SC_R13);
28 SC_OFFSET(SC_R14);
29 SC_OFFSET(SC_R15);
30 SC_OFFSET(SC_IP);
31 SC_OFFSET(SC_SP);
32 SC_OFFSET(SC_CR2);
33 SC_OFFSET(SC_ERR);
34 SC_OFFSET(SC_TRAPNO);
35 SC_OFFSET(SC_CS);
36 SC_OFFSET(SC_FS);
37 SC_OFFSET(SC_GS);
38 SC_OFFSET(SC_EFLAGS);
39 SC_OFFSET(SC_SIGMASK);
40#if 0
41 SC_OFFSET(SC_ORIG_RAX);
42 SC_OFFSET(SC_DS);
43 SC_OFFSET(SC_ES);
44 SC_OFFSET(SC_SS);
45#endif
46 return(0);
47}
diff --git a/arch/um/sys-x86_64/util/mk_thread.c b/arch/um/sys-x86_64/util/mk_thread.c
deleted file mode 100644
index 15517396e9cf..000000000000
--- a/arch/um/sys-x86_64/util/mk_thread.c
+++ /dev/null
@@ -1,20 +0,0 @@
1#include <stdio.h>
2#include <kernel-offsets.h>
3
4int main(int argc, char **argv)
5{
6 printf("/*\n");
7 printf(" * Generated by mk_thread\n");
8 printf(" */\n");
9 printf("\n");
10 printf("#ifndef __UM_THREAD_H\n");
11 printf("#define __UM_THREAD_H\n");
12 printf("\n");
13#ifdef TASK_EXTERN_PID
14 printf("#define TASK_EXTERN_PID(task) *((int *) &(((char *) (task))[%d]))\n",
15 TASK_EXTERN_PID);
16#endif
17 printf("\n");
18 printf("#endif\n");
19 return(0);
20}
diff --git a/arch/um/util/Makefile b/arch/um/util/Makefile
deleted file mode 100644
index 4c7551c28033..000000000000
--- a/arch/um/util/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
1hostprogs-y := mk_task mk_constants
2always := $(hostprogs-y)
3
4HOSTCFLAGS_mk_task.o := -I$(objtree)/arch/um
5HOSTCFLAGS_mk_constants.o := -I$(objtree)/arch/um
diff --git a/arch/um/util/mk_constants.c b/arch/um/util/mk_constants.c
deleted file mode 100644
index ab217becc36a..000000000000
--- a/arch/um/util/mk_constants.c
+++ /dev/null
@@ -1,32 +0,0 @@
1#include <stdio.h>
2#include <kernel-offsets.h>
3
4#define SHOW_INT(sym) printf("#define %s %d\n", #sym, sym)
5#define SHOW_STR(sym) printf("#define %s %s\n", #sym, sym)
6
7int main(int argc, char **argv)
8{
9 printf("/*\n");
10 printf(" * Generated by mk_constants\n");
11 printf(" */\n");
12 printf("\n");
13 printf("#ifndef __UM_CONSTANTS_H\n");
14 printf("#define __UM_CONSTANTS_H\n");
15 printf("\n");
16
17 SHOW_INT(UM_KERN_PAGE_SIZE);
18
19 SHOW_STR(UM_KERN_EMERG);
20 SHOW_STR(UM_KERN_ALERT);
21 SHOW_STR(UM_KERN_CRIT);
22 SHOW_STR(UM_KERN_ERR);
23 SHOW_STR(UM_KERN_WARNING);
24 SHOW_STR(UM_KERN_NOTICE);
25 SHOW_STR(UM_KERN_INFO);
26 SHOW_STR(UM_KERN_DEBUG);
27
28 SHOW_INT(UM_NSEC_PER_SEC);
29 printf("\n");
30 printf("#endif\n");
31 return(0);
32}
diff --git a/arch/um/util/mk_task.c b/arch/um/util/mk_task.c
deleted file mode 100644
index 36c9606505e2..000000000000
--- a/arch/um/util/mk_task.c
+++ /dev/null
@@ -1,30 +0,0 @@
1#include <stdio.h>
2#include <kernel-offsets.h>
3
4void print_ptr(char *name, char *type, int offset)
5{
6 printf("#define %s(task) ((%s *) &(((char *) (task))[%d]))\n", name, type,
7 offset);
8}
9
10void print(char *name, char *type, int offset)
11{
12 printf("#define %s(task) *((%s *) &(((char *) (task))[%d]))\n", name, type,
13 offset);
14}
15
16int main(int argc, char **argv)
17{
18 printf("/*\n");
19 printf(" * Generated by mk_task\n");
20 printf(" */\n");
21 printf("\n");
22 printf("#ifndef __TASK_H\n");
23 printf("#define __TASK_H\n");
24 printf("\n");
25 print_ptr("TASK_REGS", "union uml_pt_regs", TASK_REGS);
26 print("TASK_PID", "int", TASK_PID);
27 printf("\n");
28 printf("#endif\n");
29 return(0);
30}
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-14 05:56:12 -0500