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7 Commits

Author SHA1 Message Date
Nicolas Boichat
588320d4b8 stack_analyzer: Use board/$BOARD/analyzestack.yaml by default 
BRANCH=none
BUG=chromium:648840
TEST=make BOARD=hammer analyzestack

Change-Id: Id05fee7e085a02dd4c2d36880f6891c3eb86b404
Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/637550
Reviewed-by: Che-yu Wu <cheyuw@google.com>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
 2017-09-07 12:56:29 -07:00
Che-yu Wu
4a98e9c984 extra/stack_analyzer: Configurable exception frame size. 
Make the size of extra stack needed by exceptions configurable.
It can be set in the annotation file.

BUG=chromium:648840
BRANCH=none
TEST=extra/stack_analyzer/stack_analyzer_unittest.py
     make BOARD=elm SECTION=RW \
         ANNOTATION=./extra/stack_analyzer/example_annotation.yaml \
         analyzestack

Change-Id: Idf2a59650dd20257a0291f89d788c0c83b91a7c9
Signed-off-by: Che-yu Wu <cheyuw@google.com>
Reviewed-on: https://chromium-review.googlesource.com/649454
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
 2017-09-05 23:01:10 -07:00
Che-yu Wu
af32f8918e extra/stack_analyzer: Eliminate annotated indirect calls. 
Indirect calls can be eliminated by adding corresponding annotations.

BUG=chromium:648840
BRANCH=none
TEST=extra/stack_analyzer/stack_analyzer_unittest.py
     make BOARD=elm && extra/stack_analyzer/stack_analyzer.py \
         --objdump=arm-none-eabi-objdump \
         --addr2line=arm-none-eabi-addr2line \
         --export_taskinfo=./build/elm/util/export_taskinfo.so \
         --section=RW \
         --annotation=./extra/stack_analyzer/example_annotation.yaml \
         ./build/elm/RW/ec.RW.elf
     make BOARD=elm SECTION=RW \
         ANNOTATION=./extra/stack_analyzer/example_annotation.yaml \
         analyzestack

Change-Id: I18c317f9c6478b5b431ee04d882453791df27891
Signed-off-by: Che-yu Wu <cheyuw@google.com>
Reviewed-on: https://chromium-review.googlesource.com/631082
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
 2017-08-29 04:45:51 -07:00
Che-yu Wu
4f21ee309c extra/stack_analyzer: Show indirect calls. 
Show the indirect calls found in disassembly.

BUG=chromium:648840
BRANCH=none
TEST=extra/stack_analyzer/stack_analyzer_unittest.py
     make BOARD=elm && extra/stack_analyzer/stack_analyzer.py \
         --objdump=arm-none-eabi-objdump \
         --addr2line=arm-none-eabi-addr2line \
         --export_taskinfo=./build/elm/util/export_taskinfo.so \
         --section=RW \
         --annotation=./extra/stack_analyzer/example_annotation.yaml \
         ./build/elm/RW/ec.RW.elf
     make BOARD=elm SECTION=RW \
         ANNOTATION=./extra/stack_analyzer/example_annotation.yaml \
         analyzestack

Change-Id: Ib82e68e0bc6c4be56ab679c297f256cbfe94bbb7
Signed-off-by: Che-yu Wu <cheyuw@google.com>
Reviewed-on: https://chromium-review.googlesource.com/628048
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
 2017-08-24 01:25:51 -07:00
Che-yu Wu
eeeee803b7 extra/stack_analyzer: Show callsite information. 
Show callsite details in the call trace.
Handle another addr2line failure output.

BUG=chromium:648840
BRANCH=none
TEST=extra/stack_analyzer/stack_analyzer_unittest.py
     make BOARD=elm && extra/stack_analyzer/stack_analyzer.py \
         --objdump=arm-none-eabi-objdump \
         --addr2line=arm-none-eabi-addr2line \
         --export_taskinfo=./build/elm/util/export_taskinfo.so \
         --section=RW \
         --annotation=./extra/stack_analyzer/example_annotation.yaml \
         ./build/elm/RW/ec.RW.elf
     make BOARD=elm SECTION=RW \
         ANNOTATION=./extra/stack_analyzer/example_annotation.yaml \
         analyzestack

Change-Id: I3f36584af85f578f1d298bcd06622ba8e7e5262d
Signed-off-by: Che-yu Wu <cheyuw@google.com>
Reviewed-on: https://chromium-review.googlesource.com/628000
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
 2017-08-23 23:13:38 -07:00
Che-yu Wu
ef09835e19 ec: Add annotation feature to the stack analyzer. 
Get stack analyzer supported to read annotation file and do basic
annotation on the callgraph.

The basic annotation includes:
1. Add missing calls to the callgraph
2. Ignore functions on the callgraph

BUG=chromium:648840
BRANCH=none
TEST=extra/stack_analyzer/stack_analyzer_unittest.py
     make BOARD=elm && extra/stack_analyzer/stack_analyzer.py \
         --objdump=arm-none-eabi-objdump \
         --addr2line=arm-none-eabi-addr2line \
         --export_taskinfo=./build/elm/util/export_taskinfo.so \
         --section=RW \
         --annotation=./extra/stack_analyzer/example_annotation.yaml \
         ./build/elm/RW/ec.RW.elf
     make BOARD=elm SECTION=RW \
         ANNOTATION=./extra/stack_analyzer/example_annotation.yaml \
         analyzestack

Change-Id: I4cc7c34f422655708a7312db3f6b4416e1af917f
Signed-off-by: Che-yu Wu <cheyuw@google.com>
Reviewed-on: https://chromium-review.googlesource.com/614825
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
 2017-08-21 23:48:14 -07:00
Che-yu Wu
1bf7abdc20 ec: Add analysis tool for firmware stack usage. 
Add a static analysis tool for firmware stack usage.
Add an new Makefile rule to analyze the stack usages of firmwares.

Details about the tool can be found in extra/stack_analyzer/README.md.

BUG=chromium:648840
BRANCH=none
TEST=extra/stack_analyzer/stack_analyzer_unittest.py
     make BOARD=elm && make BOARD=elm build/elm/RW/ec.RW.taskinfo && \
         extra/stack_analyzer/stack_analyzer.py \
         --objdump=arm-none-eabi-objdump \
         --addr2line=arm-none-eabi-addr2line \
         ./build/elm/RW/ec.RW.elf ./build/elm/RW/ec.RW.taskinfo
     make BOARD=${BOARD} SECTION=${SECTION} analyzestack

Change-Id: Ifb1b5f5ad6be8f8b125b14d6ee03e25cb385895b
Signed-off-by: Che-yu Wu <cheyuw@google.com>
Reviewed-on: https://chromium-review.googlesource.com/576411
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
 2017-08-14 05:54:35 -07:00