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| author | Jie Zhang <jie.zhang@analog.com> | 2009-02-04 16:49:45 +0800 |
|---|---|---|
| committer | Bryan Wu <cooloney@kernel.org> | 2009-02-04 16:49:45 +0800 |
| commit | 3aee91bafef01bd5c59853346f1fcb85f701fdc1 (patch) | |
| tree | 790252ea13d88b9d27b0ff74b5934b73472bc72c /arch/blackfin | |
| parent | 1c302b6ccb1296bda3754708099233290f6cf689 (diff) | |
| download | op-kernel-dev-3aee91bafef01bd5c59853346f1fcb85f701fdc1.zip op-kernel-dev-3aee91bafef01bd5c59853346f1fcb85f701fdc1.tar.gz | |
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.S | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S index fae7746..88de053 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 */ |
