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| author | Yao Qi <yao.qi@linaro.org> | 2015-06-30 09:24:43 +0100 |
|---|---|---|
| committer | Yao Qi <yao.qi@linaro.org> | 2015-06-30 09:24:43 +0100 |
| commit | 7b9be803fed8f500b512d5685773c84fffcdf63f (patch) | |
| tree | 98f1c2cc2a8d75fe034622053b4570efb72bfe98 | |
| parent | fd6e021d8c989905bbb234fdf993799db5a18cb9 (diff) | |
| download | gdb-7b9be803fed8f500b512d5685773c84fffcdf63f.zip gdb-7b9be803fed8f500b512d5685773c84fffcdf63f.tar.gz gdb-7b9be803fed8f500b512d5685773c84fffcdf63f.tar.bz2 | |
Handle media instructions in arm software single step.
This patch fixes PR 18605 which is about incorrectly decoding media
instructions in software single step.
gdb:
2015-06-30 Yao Qi <yao.qi@linaro.org>
PR tdep/18605
* arm-tdep.c (arm_get_next_pc_raw): Break for media
instructions.
| -rw-r--r-- | gdb/ChangeLog | 6 | ||||
| -rw-r--r-- | gdb/arm-tdep.c | 7 |
2 files changed, 13 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 74a88db..8a961c6 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,9 @@ +2015-06-30 Yao Qi <yao.qi@linaro.org> + + PR tdep/18605 + * arm-tdep.c (arm_get_next_pc_raw): Break for media + instructions. + 2015-06-29 Kevin Buettner <kevinb@redhat.com> * rx-tdep.c (RX_PSW_REGNUM): New enum constant. diff --git a/gdb/arm-tdep.c b/gdb/arm-tdep.c index c99f2a9..527bd01 100644 --- a/gdb/arm-tdep.c +++ b/gdb/arm-tdep.c @@ -4927,6 +4927,13 @@ arm_get_next_pc_raw (struct frame_info *frame, CORE_ADDR pc) case 0x5: /* data transfer */ case 0x6: case 0x7: + if (bits (this_instr, 25, 27) == 0x3 && bit (this_instr, 4) == 1) + { + /* Media instructions and architecturally undefined + instructions. */ + break; + } + if (bit (this_instr, 20)) { /* load */ |