arch/arm/cortex-m: add up_backtrace support

add up_backtrace support based on push/branch instruction

Change-Id: I9bffecf55b4ad6127e421aa52a5a5bfb01aee0f6
Signed-off-by: chao.an <anchao@xiaomi.com>
This commit is contained in:
chao.an
2021-08-25 20:31:54 +08:00
parent 782a373b53
commit 7af4143682
3 changed files with 1542 additions and 0 deletions
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