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authorHelge Deller <deller@gmx.de>2007-01-28 08:52:57 -0500
committerKyle McMartin <kyle@athena.road.mcmartin.ca>2007-02-17 01:16:26 -0500
commit0b3d643f9ead9b5141dedbb2d1b06ce15469fc4a (patch)
tree3be51559fb366dea87dc0eacfea2f94c15190875 /include/asm-parisc
parent8e9e9844b44dd9f855d824d035b3097b199e44ed (diff)
[PARISC] add ASM_EXCEPTIONTABLE_ENTRY() macro
- this macro unifies the code to add exception table entries - additionally use ENTRY()/ENDPROC() at more places Signed-off-by: Helge Deller <deller@gmx.de> Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Diffstat (limited to 'include/asm-parisc')
-rw-r--r--include/asm-parisc/assembly.h8
-rw-r--r--include/asm-parisc/bug.h12
-rw-r--r--include/asm-parisc/uaccess.h53
3 files changed, 35 insertions, 38 deletions
diff --git a/include/asm-parisc/assembly.h b/include/asm-parisc/assembly.h
index 5a1e0e8b1c32..7e26fcbe56d6 100644
--- a/include/asm-parisc/assembly.h
+++ b/include/asm-parisc/assembly.h
@@ -31,9 +31,13 @@
31#define STREGM std,ma 31#define STREGM std,ma
32#define SHRREG shrd 32#define SHRREG shrd
33#define SHLREG shld 33#define SHLREG shld
34#define ADDIB addib,*
35#define CMPB cmpb,*
36#define ANDCM andcm,*
34#define RP_OFFSET 16 37#define RP_OFFSET 16
35#define FRAME_SIZE 128 38#define FRAME_SIZE 128
36#define CALLEE_REG_FRAME_SIZE 144 39#define CALLEE_REG_FRAME_SIZE 144
40#define ASM_ULONG_INSN .dword
37#else /* CONFIG_64BIT */ 41#else /* CONFIG_64BIT */
38#define LDREG ldw 42#define LDREG ldw
39#define STREG stw 43#define STREG stw
@@ -42,9 +46,13 @@
42#define STREGM stwm 46#define STREGM stwm
43#define SHRREG shr 47#define SHRREG shr
44#define SHLREG shlw 48#define SHLREG shlw
49#define ADDIB addib,
50#define CMPB cmpb,
51#define ANDCM andcm
45#define RP_OFFSET 20 52#define RP_OFFSET 20
46#define FRAME_SIZE 64 53#define FRAME_SIZE 64
47#define CALLEE_REG_FRAME_SIZE 128 54#define CALLEE_REG_FRAME_SIZE 128
55#define ASM_ULONG_INSN .word
48#endif 56#endif
49 57
50#define CALLEE_SAVE_FRAME_SIZE (CALLEE_REG_FRAME_SIZE + CALLEE_FLOAT_FRAME_SIZE) 58#define CALLEE_SAVE_FRAME_SIZE (CALLEE_REG_FRAME_SIZE + CALLEE_FLOAT_FRAME_SIZE)
diff --git a/include/asm-parisc/bug.h b/include/asm-parisc/bug.h
index cfe39a2547aa..83ba510ed5d8 100644
--- a/include/asm-parisc/bug.h
+++ b/include/asm-parisc/bug.h
@@ -14,10 +14,10 @@
14#define PARISC_BUG_BREAK_ASM "break 0x1f, 0x1fff" 14#define PARISC_BUG_BREAK_ASM "break 0x1f, 0x1fff"
15#define PARISC_BUG_BREAK_INSN 0x03ffe01f /* PARISC_BUG_BREAK_ASM */ 15#define PARISC_BUG_BREAK_INSN 0x03ffe01f /* PARISC_BUG_BREAK_ASM */
16 16
17#ifdef CONFIG_64BIT 17#if defined(CONFIG_64BIT)
18#define ASM_ULONG_INSN ".dword" 18#define ASM_WORD_INSN ".dword\t"
19#else 19#else
20#define ASM_ULONG_INSN ".word" 20#define ASM_WORD_INSN ".word\t"
21#endif 21#endif
22 22
23#ifdef CONFIG_DEBUG_BUGVERBOSE 23#ifdef CONFIG_DEBUG_BUGVERBOSE
@@ -26,7 +26,7 @@
26 asm volatile("\n" \ 26 asm volatile("\n" \
27 "1:\t" PARISC_BUG_BREAK_ASM "\n" \ 27 "1:\t" PARISC_BUG_BREAK_ASM "\n" \
28 "\t.pushsection __bug_table,\"a\"\n" \ 28 "\t.pushsection __bug_table,\"a\"\n" \
29 "2:\t" ASM_ULONG_INSN " 1b, %c0\n" \ 29 "2:\t" ASM_WORD_INSN "1b, %c0\n" \
30 "\t.short %c1, %c2\n" \ 30 "\t.short %c1, %c2\n" \
31 "\t.org 2b+%c3\n" \ 31 "\t.org 2b+%c3\n" \
32 "\t.popsection" \ 32 "\t.popsection" \
@@ -49,7 +49,7 @@
49 asm volatile("\n" \ 49 asm volatile("\n" \
50 "1:\t" PARISC_BUG_BREAK_ASM "\n" \ 50 "1:\t" PARISC_BUG_BREAK_ASM "\n" \
51 "\t.pushsection __bug_table,\"a\"\n" \ 51 "\t.pushsection __bug_table,\"a\"\n" \
52 "2:\t" ASM_ULONG_INSN " 1b, %c0\n" \ 52 "2:\t" ASM_WORD_INSN "1b, %c0\n" \
53 "\t.short %c1, %c2\n" \ 53 "\t.short %c1, %c2\n" \
54 "\t.org 2b+%c3\n" \ 54 "\t.org 2b+%c3\n" \
55 "\t.popsection" \ 55 "\t.popsection" \
@@ -63,7 +63,7 @@
63 asm volatile("\n" \ 63 asm volatile("\n" \
64 "1:\t" PARISC_BUG_BREAK_ASM "\n" \ 64 "1:\t" PARISC_BUG_BREAK_ASM "\n" \
65 "\t.pushsection __bug_table,\"a\"\n" \ 65 "\t.pushsection __bug_table,\"a\"\n" \
66 "2:\t" ASM_ULONG_INSN " 1b\n" \ 66 "2:\t" ASM_WORD_INSN "1b\n" \
67 "\t.short %c0\n" \ 67 "\t.short %c0\n" \
68 "\t.org 2b+%c1\n" \ 68 "\t.org 2b+%c1\n" \
69 "\t.popsection" \ 69 "\t.popsection" \
diff --git a/include/asm-parisc/uaccess.h b/include/asm-parisc/uaccess.h
index d5d831ea7bc6..4878b9501f24 100644
--- a/include/asm-parisc/uaccess.h
+++ b/include/asm-parisc/uaccess.h
@@ -67,6 +67,11 @@ struct exception_table_entry {
67 long fixup; /* fixup routine */ 67 long fixup; /* fixup routine */
68}; 68};
69 69
70#define ASM_EXCEPTIONTABLE_ENTRY( fault_addr, except_addr )\
71 ".section __ex_table,\"aw\"\n" \
72 ASM_WORD_INSN #fault_addr ", " #except_addr "\n\t" \
73 ".previous\n"
74
70/* 75/*
71 * The page fault handler stores, in a per-cpu area, the following information 76 * The page fault handler stores, in a per-cpu area, the following information
72 * if a fixup routine is available. 77 * if a fixup routine is available.
@@ -106,21 +111,15 @@ struct exception_data {
106}) 111})
107 112
108#define __get_kernel_asm(ldx,ptr) \ 113#define __get_kernel_asm(ldx,ptr) \
109 __asm__("\n1:\t" ldx "\t0(%2),%0\n" \ 114 __asm__("\n1:\t" ldx "\t0(%2),%0\n\t" \
110 "\t.section __ex_table,\"aw\"\n" \ 115 ASM_EXCEPTIONTABLE_ENTRY(1b, fixup_get_user_skip_1)\
111 "\t" ASM_WORD_INSN \
112 "1b,fixup_get_user_skip_1\n" \
113 "\t.previous" \
114 : "=r"(__gu_val), "=r"(__gu_err) \ 116 : "=r"(__gu_val), "=r"(__gu_err) \
115 : "r"(ptr), "1"(__gu_err) \ 117 : "r"(ptr), "1"(__gu_err) \
116 : "r1"); 118 : "r1");
117 119
118#define __get_user_asm(ldx,ptr) \ 120#define __get_user_asm(ldx,ptr) \
119 __asm__("\n1:\t" ldx "\t0(%%sr3,%2),%0\n" \ 121 __asm__("\n1:\t" ldx "\t0(%%sr3,%2),%0\n\t" \
120 "\t.section __ex_table,\"aw\"\n" \ 122 ASM_EXCEPTIONTABLE_ENTRY(1b,fixup_get_user_skip_1)\
121 "\t" ASM_WORD_INSN \
122 "1b,fixup_get_user_skip_1\n" \
123 "\t.previous" \
124 : "=r"(__gu_val), "=r"(__gu_err) \ 123 : "=r"(__gu_val), "=r"(__gu_err) \
125 : "r"(ptr), "1"(__gu_err) \ 124 : "r"(ptr), "1"(__gu_err) \
126 : "r1"); 125 : "r1");
@@ -164,22 +163,16 @@ struct exception_data {
164 163
165#define __put_kernel_asm(stx,x,ptr) \ 164#define __put_kernel_asm(stx,x,ptr) \
166 __asm__ __volatile__ ( \ 165 __asm__ __volatile__ ( \
167 "\n1:\t" stx "\t%2,0(%1)\n" \ 166 "\n1:\t" stx "\t%2,0(%1)\n\t" \
168 "\t.section __ex_table,\"aw\"\n" \ 167 ASM_EXCEPTIONTABLE_ENTRY(1b,fixup_put_user_skip_1)\
169 "\t" ASM_WORD_INSN \
170 "1b,fixup_put_user_skip_1\n" \
171 "\t.previous" \
172 : "=r"(__pu_err) \ 168 : "=r"(__pu_err) \
173 : "r"(ptr), "r"(x), "0"(__pu_err) \ 169 : "r"(ptr), "r"(x), "0"(__pu_err) \
174 : "r1") 170 : "r1")
175 171
176#define __put_user_asm(stx,x,ptr) \ 172#define __put_user_asm(stx,x,ptr) \
177 __asm__ __volatile__ ( \ 173 __asm__ __volatile__ ( \
178 "\n1:\t" stx "\t%2,0(%%sr3,%1)\n" \ 174 "\n1:\t" stx "\t%2,0(%%sr3,%1)\n\t" \
179 "\t.section __ex_table,\"aw\"\n" \ 175 ASM_EXCEPTIONTABLE_ENTRY(1b,fixup_put_user_skip_1)\
180 "\t" ASM_WORD_INSN \
181 "1b,fixup_put_user_skip_1\n" \
182 "\t.previous" \
183 : "=r"(__pu_err) \ 176 : "=r"(__pu_err) \
184 : "r"(ptr), "r"(x), "0"(__pu_err) \ 177 : "r"(ptr), "r"(x), "0"(__pu_err) \
185 : "r1") 178 : "r1")
@@ -192,12 +185,10 @@ struct exception_data {
192 u32 hi = (__val64) >> 32; \ 185 u32 hi = (__val64) >> 32; \
193 u32 lo = (__val64) & 0xffffffff; \ 186 u32 lo = (__val64) & 0xffffffff; \
194 __asm__ __volatile__ ( \ 187 __asm__ __volatile__ ( \
195 "\n1:\tstw %2,0(%1)\n" \ 188 "\n1:\tstw %2,0(%1)" \
196 "\n2:\tstw %3,4(%1)\n" \ 189 "\n2:\tstw %3,4(%1)\n\t" \
197 "\t.section __ex_table,\"aw\"\n" \ 190 ASM_EXCEPTIONTABLE_ENTRY(1b,fixup_put_user_skip_2)\
198 "\t.word\t1b,fixup_put_user_skip_2\n" \ 191 ASM_EXCEPTIONTABLE_ENTRY(2b,fixup_put_user_skip_1)\
199 "\t.word\t2b,fixup_put_user_skip_1\n" \
200 "\t.previous" \
201 : "=r"(__pu_err) \ 192 : "=r"(__pu_err) \
202 : "r"(ptr), "r"(hi), "r"(lo), "0"(__pu_err) \ 193 : "r"(ptr), "r"(hi), "r"(lo), "0"(__pu_err) \
203 : "r1"); \ 194 : "r1"); \
@@ -208,12 +199,10 @@ struct exception_data {
208 u32 hi = (__val64) >> 32; \ 199 u32 hi = (__val64) >> 32; \
209 u32 lo = (__val64) & 0xffffffff; \ 200 u32 lo = (__val64) & 0xffffffff; \
210 __asm__ __volatile__ ( \ 201 __asm__ __volatile__ ( \
211 "\n1:\tstw %2,0(%%sr3,%1)\n" \ 202 "\n1:\tstw %2,0(%%sr3,%1)" \
212 "\n2:\tstw %3,4(%%sr3,%1)\n" \ 203 "\n2:\tstw %3,4(%%sr3,%1)\n\t" \
213 "\t.section __ex_table,\"aw\"\n" \ 204 ASM_EXCEPTIONTABLE_ENTRY(1b,fixup_put_user_skip_2)\
214 "\t.word\t1b,fixup_put_user_skip_2\n" \ 205 ASM_EXCEPTIONTABLE_ENTRY(2b,fixup_put_user_skip_1)\
215 "\t.word\t2b,fixup_put_user_skip_1\n" \
216 "\t.previous" \
217 : "=r"(__pu_err) \ 206 : "=r"(__pu_err) \
218 : "r"(ptr), "r"(hi), "r"(lo), "0"(__pu_err) \ 207 : "r"(ptr), "r"(hi), "r"(lo), "0"(__pu_err) \
219 : "r1"); \ 208 : "r1"); \
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