[PATCH] MIPS64: R6: R2 emulation bugfix

From: Leonid Yegoshin
Date: Tue Apr 28 2015 - 15:53:50 EST


Error recovery pointers for fixups was improperly set as ".word"
which is unsuitable for MIPS64.

Replaced by __stringify(PTR)

Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@xxxxxxxxxx>
---
arch/mips/kernel/mips-r2-to-r6-emul.c | 104 +++++++++++++++++----------------
1 file changed, 52 insertions(+), 52 deletions(-)

diff --git a/arch/mips/kernel/mips-r2-to-r6-emul.c b/arch/mips/kernel/mips-r2-to-r6-emul.c
index f2977f00911b..c6f079f8f3dc 100644
--- a/arch/mips/kernel/mips-r2-to-r6-emul.c
+++ b/arch/mips/kernel/mips-r2-to-r6-emul.c
@@ -1250,10 +1250,10 @@ fpu_emul:
" j 10b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
- " .word 1b,8b\n"
- " .word 2b,8b\n"
- " .word 3b,8b\n"
- " .word 4b,8b\n"
+ __stringify(PTR) " 1b,8b\n"
+ __stringify(PTR) " 2b,8b\n"
+ __stringify(PTR) " 3b,8b\n"
+ __stringify(PTR) " 4b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1325,10 +1325,10 @@ fpu_emul:
" j 10b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
- " .word 1b,8b\n"
- " .word 2b,8b\n"
- " .word 3b,8b\n"
- " .word 4b,8b\n"
+ __stringify(PTR) " 1b,8b\n"
+ __stringify(PTR) " 2b,8b\n"
+ __stringify(PTR) " 3b,8b\n"
+ __stringify(PTR) " 4b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1396,10 +1396,10 @@ fpu_emul:
" j 9b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
- " .word 1b,8b\n"
- " .word 2b,8b\n"
- " .word 3b,8b\n"
- " .word 4b,8b\n"
+ __stringify(PTR) " 1b,8b\n"
+ __stringify(PTR) " 2b,8b\n"
+ __stringify(PTR) " 3b,8b\n"
+ __stringify(PTR) " 4b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1466,10 +1466,10 @@ fpu_emul:
" j 9b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
- " .word 1b,8b\n"
- " .word 2b,8b\n"
- " .word 3b,8b\n"
- " .word 4b,8b\n"
+ __stringify(PTR) " 1b,8b\n"
+ __stringify(PTR) " 2b,8b\n"
+ __stringify(PTR) " 3b,8b\n"
+ __stringify(PTR) " 4b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1581,14 +1581,14 @@ fpu_emul:
" j 9b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
- " .word 1b,8b\n"
- " .word 2b,8b\n"
- " .word 3b,8b\n"
- " .word 4b,8b\n"
- " .word 5b,8b\n"
- " .word 6b,8b\n"
- " .word 7b,8b\n"
- " .word 0b,8b\n"
+ __stringify(PTR) " 1b,8b\n"
+ __stringify(PTR) " 2b,8b\n"
+ __stringify(PTR) " 3b,8b\n"
+ __stringify(PTR) " 4b,8b\n"
+ __stringify(PTR) " 5b,8b\n"
+ __stringify(PTR) " 6b,8b\n"
+ __stringify(PTR) " 7b,8b\n"
+ __stringify(PTR) " 0b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1700,14 +1700,14 @@ fpu_emul:
" j 9b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
- " .word 1b,8b\n"
- " .word 2b,8b\n"
- " .word 3b,8b\n"
- " .word 4b,8b\n"
- " .word 5b,8b\n"
- " .word 6b,8b\n"
- " .word 7b,8b\n"
- " .word 0b,8b\n"
+ __stringify(PTR) " 1b,8b\n"
+ __stringify(PTR) " 2b,8b\n"
+ __stringify(PTR) " 3b,8b\n"
+ __stringify(PTR) " 4b,8b\n"
+ __stringify(PTR) " 5b,8b\n"
+ __stringify(PTR) " 6b,8b\n"
+ __stringify(PTR) " 7b,8b\n"
+ __stringify(PTR) " 0b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1819,14 +1819,14 @@ fpu_emul:
" j 9b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
- " .word 1b,8b\n"
- " .word 2b,8b\n"
- " .word 3b,8b\n"
- " .word 4b,8b\n"
- " .word 5b,8b\n"
- " .word 6b,8b\n"
- " .word 7b,8b\n"
- " .word 0b,8b\n"
+ __stringify(PTR) " 1b,8b\n"
+ __stringify(PTR) " 2b,8b\n"
+ __stringify(PTR) " 3b,8b\n"
+ __stringify(PTR) " 4b,8b\n"
+ __stringify(PTR) " 5b,8b\n"
+ __stringify(PTR) " 6b,8b\n"
+ __stringify(PTR) " 7b,8b\n"
+ __stringify(PTR) " 0b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1937,14 +1937,14 @@ fpu_emul:
" j 9b\n"
" .previous\n"
" .section __ex_table,\"a\"\n"
- " .word 1b,8b\n"
- " .word 2b,8b\n"
- " .word 3b,8b\n"
- " .word 4b,8b\n"
- " .word 5b,8b\n"
- " .word 6b,8b\n"
- " .word 7b,8b\n"
- " .word 0b,8b\n"
+ __stringify(PTR) " 1b,8b\n"
+ __stringify(PTR) " 2b,8b\n"
+ __stringify(PTR) " 3b,8b\n"
+ __stringify(PTR) " 4b,8b\n"
+ __stringify(PTR) " 5b,8b\n"
+ __stringify(PTR) " 6b,8b\n"
+ __stringify(PTR) " 7b,8b\n"
+ __stringify(PTR) " 0b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1999,7 +1999,7 @@ fpu_emul:
"j 2b\n"
".previous\n"
".section __ex_table,\"a\"\n"
- ".word 1b, 3b\n"
+ __stringify(PTR) " 1b,3b\n"
".previous\n"
: "=&r"(res), "+&r"(err)
: "r"(vaddr), "i"(SIGSEGV)
@@ -2057,7 +2057,7 @@ fpu_emul:
"j 2b\n"
".previous\n"
".section __ex_table,\"a\"\n"
- ".word 1b, 3b\n"
+ __stringify(PTR) " 1b,3b\n"
".previous\n"
: "+&r"(res), "+&r"(err)
: "r"(vaddr), "i"(SIGSEGV));
@@ -2118,7 +2118,7 @@ fpu_emul:
"j 2b\n"
".previous\n"
".section __ex_table,\"a\"\n"
- ".word 1b, 3b\n"
+ __stringify(PTR) " 1b,3b\n"
".previous\n"
: "=&r"(res), "+&r"(err)
: "r"(vaddr), "i"(SIGSEGV)
@@ -2181,7 +2181,7 @@ fpu_emul:
"j 2b\n"
".previous\n"
".section __ex_table,\"a\"\n"
- ".word 1b, 3b\n"
+ __stringify(PTR) " 1b,3b\n"
".previous\n"
: "+&r"(res), "+&r"(err)
: "r"(vaddr), "i"(SIGSEGV));

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