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authorLeonid Yegoshin <Leonid.Yegoshin@imgtec.com>2015-04-28 12:53:35 -0700
committerSasha Levin <sasha.levin@oracle.com>2016-06-04 15:49:03 -0400
commit1187e91bc7a476df4c2d78baa257517c33bca5dc (patch)
tree1bf794300ca7f128d190a6283d40e2ac73df5999 /arch
parentc2915ee9fcb019acacd50015e6f9dd01e878d966 (diff)
MIPS64: R6: R2 emulation bugfix
[ Upstream commit 41fa29e4d8cf4150568a0fe9bb4d62229f9caed5 ] Error recovery pointers for fixups was improperly set as ".word" which is unsuitable for MIPS64. Replaced by STR(PTR) [ralf@linux-mips.org: Apply changes as requested in the review process.] Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> Reviewed-by: James Hogan <james.hogan@imgtec.com> Reviewed-by: Markos Chandras <markos.chandras@imgtec.com> Fixes: b0a668fb2038 ("MIPS: kernel: mips-r2-to-r6-emul: Add R2 emulator for MIPS R6") Cc: macro@linux-mips.org Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: <stable@vger.kernel.org> # 4.0+ Patchwork: https://patchwork.linux-mips.org/patch/9911/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/kernel/mips-r2-to-r6-emul.c105
1 files changed, 53 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..e19fa363c8fe 100644
--- a/arch/mips/kernel/mips-r2-to-r6-emul.c
+++ b/arch/mips/kernel/mips-r2-to-r6-emul.c
@@ -27,6 +27,7 @@
#include <asm/inst.h>
#include <asm/mips-r2-to-r6-emul.h>
#include <asm/local.h>
+#include <asm/mipsregs.h>
#include <asm/ptrace.h>
#include <asm/uaccess.h>
@@ -1250,10 +1251,10 @@ 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"
+ STR(PTR) " 1b,8b\n"
+ STR(PTR) " 2b,8b\n"
+ STR(PTR) " 3b,8b\n"
+ STR(PTR) " 4b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1325,10 +1326,10 @@ 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"
+ STR(PTR) " 1b,8b\n"
+ STR(PTR) " 2b,8b\n"
+ STR(PTR) " 3b,8b\n"
+ STR(PTR) " 4b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1396,10 +1397,10 @@ 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"
+ STR(PTR) " 1b,8b\n"
+ STR(PTR) " 2b,8b\n"
+ STR(PTR) " 3b,8b\n"
+ STR(PTR) " 4b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1466,10 +1467,10 @@ 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"
+ STR(PTR) " 1b,8b\n"
+ STR(PTR) " 2b,8b\n"
+ STR(PTR) " 3b,8b\n"
+ STR(PTR) " 4b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1581,14 +1582,14 @@ 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"
+ STR(PTR) " 1b,8b\n"
+ STR(PTR) " 2b,8b\n"
+ STR(PTR) " 3b,8b\n"
+ STR(PTR) " 4b,8b\n"
+ STR(PTR) " 5b,8b\n"
+ STR(PTR) " 6b,8b\n"
+ STR(PTR) " 7b,8b\n"
+ STR(PTR) " 0b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1700,14 +1701,14 @@ 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"
+ STR(PTR) " 1b,8b\n"
+ STR(PTR) " 2b,8b\n"
+ STR(PTR) " 3b,8b\n"
+ STR(PTR) " 4b,8b\n"
+ STR(PTR) " 5b,8b\n"
+ STR(PTR) " 6b,8b\n"
+ STR(PTR) " 7b,8b\n"
+ STR(PTR) " 0b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1819,14 +1820,14 @@ 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"
+ STR(PTR) " 1b,8b\n"
+ STR(PTR) " 2b,8b\n"
+ STR(PTR) " 3b,8b\n"
+ STR(PTR) " 4b,8b\n"
+ STR(PTR) " 5b,8b\n"
+ STR(PTR) " 6b,8b\n"
+ STR(PTR) " 7b,8b\n"
+ STR(PTR) " 0b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1937,14 +1938,14 @@ 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"
+ STR(PTR) " 1b,8b\n"
+ STR(PTR) " 2b,8b\n"
+ STR(PTR) " 3b,8b\n"
+ STR(PTR) " 4b,8b\n"
+ STR(PTR) " 5b,8b\n"
+ STR(PTR) " 6b,8b\n"
+ STR(PTR) " 7b,8b\n"
+ STR(PTR) " 0b,8b\n"
" .previous\n"
" .set pop\n"
: "+&r"(rt), "=&r"(rs),
@@ -1999,7 +2000,7 @@ fpu_emul:
"j 2b\n"
".previous\n"
".section __ex_table,\"a\"\n"
- ".word 1b, 3b\n"
+ STR(PTR) " 1b,3b\n"
".previous\n"
: "=&r"(res), "+&r"(err)
: "r"(vaddr), "i"(SIGSEGV)
@@ -2057,7 +2058,7 @@ fpu_emul:
"j 2b\n"
".previous\n"
".section __ex_table,\"a\"\n"
- ".word 1b, 3b\n"
+ STR(PTR) " 1b,3b\n"
".previous\n"
: "+&r"(res), "+&r"(err)
: "r"(vaddr), "i"(SIGSEGV));
@@ -2118,7 +2119,7 @@ fpu_emul:
"j 2b\n"
".previous\n"
".section __ex_table,\"a\"\n"
- ".word 1b, 3b\n"
+ STR(PTR) " 1b,3b\n"
".previous\n"
: "=&r"(res), "+&r"(err)
: "r"(vaddr), "i"(SIGSEGV)
@@ -2181,7 +2182,7 @@ fpu_emul:
"j 2b\n"
".previous\n"
".section __ex_table,\"a\"\n"
- ".word 1b, 3b\n"
+ STR(PTR) " 1b,3b\n"
".previous\n"
: "+&r"(res), "+&r"(err)
: "r"(vaddr), "i"(SIGSEGV));