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author | Daniel Trnka <daniel.trnka@gmail.com> | 2020-08-17 17:51:43 +0200 |
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committer | Antonio Borneo <borneo.antonio@gmail.com> | 2020-10-03 11:21:33 +0100 |
commit | 87b95ab21292166eed23693616c9ee21a2c5a0c0 (patch) | |
tree | 9bf7ffd5d3d12dad41cd0c4f9b28f9be3fcb6675 /src/target/cortex_m.c | |
parent | d7d70c2719e6fe94dc9ca15aeb81cf142d597cdc (diff) | |
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target/cortex_m.c: vector_catch command checks if a target is examined
If a target is not examined, command vector_catch crashes while accessing
the debug_ap NULL pointer.
maskisr and reset_config commands don't require this check.
Change-Id: I949b6f6e8b983327dd98fbe403735141f8f0b5d6
Signed-off-by: Daniel Trnka <daniel.trnka@gmail.com>
Reviewed-on: http://openocd.zylin.com/5813
Tested-by: jenkins
Reviewed-by: Tarek BOCHKATI <tarek.bouchkati@gmail.com>
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
Diffstat (limited to 'src/target/cortex_m.c')
-rw-r--r-- | src/target/cortex_m.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/target/cortex_m.c b/src/target/cortex_m.c index e52332d..55664a7 100644 --- a/src/target/cortex_m.c +++ b/src/target/cortex_m.c @@ -2502,6 +2502,11 @@ COMMAND_HANDLER(handle_cortex_m_vector_catch_command) if (retval != ERROR_OK) return retval; + if (!target_was_examined(target)) { + LOG_ERROR("Target not examined yet"); + return ERROR_FAIL; + } + retval = mem_ap_read_atomic_u32(armv7m->debug_ap, DCB_DEMCR, &demcr); if (retval != ERROR_OK) return retval; |