Reviewers: Weiliang,
Message:
PTAL
Description:
X87: Debugger: use debug break slots to break at function exit.
port fc9c5275c3a747caca709b7d5745579f70e61301 (r29672).
original commit message:
Debugger: use debug break slots to break at function exit.
By not having to patch the return sequence (we patch the debug
break slot right before it), we don't overwrite it and therefore
don't have to keep the original copy of the code around.
BUG=
Please review this at https://codereview.chromium.org/1236023007/
Base URL: https://chromium.googlesource.com/v8/v8.git@master
Affected files (+62, -193 lines):
M src/x87/assembler-x87.h
M src/x87/assembler-x87.cc
M src/x87/assembler-x87-inl.h
M src/x87/debug-x87.cc
M src/x87/full-codegen-x87.cc
M src/x87/macro-assembler-x87.h
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