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authorJie Zhang <jie.zhang@analog.com>2009-02-04 16:49:45 +0800
committerBryan Wu <cooloney@kernel.org>2009-02-04 16:49:45 +0800
commit3aee91bafef01bd5c59853346f1fcb85f701fdc1 (patch)
tree790252ea13d88b9d27b0ff74b5934b73472bc72c /arch/blackfin
parent1c302b6ccb1296bda3754708099233290f6cf689 (diff)
Blackfin arch: fix 2 bugs related to debug
- unable to single step over emuexcpt instruction - gdbproxy goes into infinite loop when doing gdb does "next" over "emuexcpt" Don't decrement PC after software breakpoint. Signed-off-by: Jie Zhang <jie.zhang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin')
-rw-r--r--arch/blackfin/mach-common/entry.S9
1 files changed, 1 insertions, 8 deletions
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S
index fae774651374..88de053bbe8e 100644
--- a/arch/blackfin/mach-common/entry.S
+++ b/arch/blackfin/mach-common/entry.S
@@ -151,13 +151,6 @@ ENTRY(_ex_syscall)
jump.s _bfin_return_from_exception;
ENDPROC(_ex_syscall)
-ENTRY(_ex_soft_bp)
- r7 = retx;
- r7 += -2;
- retx = r7;
- jump.s _ex_trap_c;
-ENDPROC(_ex_soft_bp)
-
ENTRY(_ex_single_step)
/* If we just returned from an interrupt, the single step event is
for the RTI instruction. */
@@ -1087,7 +1080,7 @@ ENTRY(_ex_table)
* EXCPT instruction can provide 4 bits of EXCAUSE, allowing 16 to be user defined
*/
.long _ex_syscall /* 0x00 - User Defined - Linux Syscall */
- .long _ex_soft_bp /* 0x01 - User Defined - Software breakpoint */
+ .long _ex_trap_c /* 0x01 - User Defined - Software breakpoint */
#ifdef CONFIG_KGDB
.long _ex_trap_c /* 0x02 - User Defined - KGDB initial connection
and break signal trap */