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make: add address sanitizer support

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Install libasan first, e.g. on Fedora 32:
  dnf install -y libasan libasan-static.

To compile with address sanitizer, pass ASAN=1 to make.
AdressSanitizer helps to catch various memory bugs for which C/C++ is
infamous.

Signed-off-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Reviewed-by: Philipp Rudo <prudo@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Alexander Egorenkov
2021-01-27 08:04:32 +01:00
committed by Jan Höppner
parent 13016ebc5a
commit 42889edc0c
3 changed files with 11 additions and 1 deletions
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zipl/boot/Makefile
+2 -1
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@@ -10,7 +10,8 @@ ALL_CFLAGS = $(NO_PIE_CFLAGS) -Os -g $(INCLUDE_PARMS) \
-fno-delete-null-pointer-checks -fno-stack-protector \
-fexec-charset=IBM1047 -m64 -mpacked-stack \
-mstack-size=4096 -mstack-guard=128 -msoft-float \
-W -Wall -Wformat-security
-W -Wall -Wformat-security -fno-sanitize=all
ALL_LDFLAGS += -fno-sanitize=all
FILES = fba0.bin fba1b.bin fba2.bin \
eckd0_ldl.bin eckd0_cdl.bin \