emo/hardened_malloc
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add initial implementation of arenas

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This commit is contained in:
Daniel Micay
2019-03-25 14:49:50 -04:00
parent 55769496dc
commit c5e911419d
4 changed files with 99 additions and 56 deletions
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4
Makefile
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@@ -15,6 +15,7 @@ CONFIG_REGION_QUARANTINE_QUEUE_LENGTH := 1024
CONFIG_REGION_QUARANTINE_SKIP_THRESHOLD := 33554432 # 32MiB
CONFIG_FREE_SLABS_QUARANTINE_RANDOM_LENGTH := 32
CONFIG_CLASS_REGION_SIZE := 137438953472 # 128GiB
CONFIG_N_ARENA = 1
define safe_flag
$(shell $(CC) -E $1 - </dev/null >/dev/null 2>&1 && echo $1 || echo $2)
@@ -79,7 +80,8 @@ CPPFLAGS += \
-DREGION_QUARANTINE_QUEUE_LENGTH=$(CONFIG_REGION_QUARANTINE_QUEUE_LENGTH) \
-DREGION_QUARANTINE_SKIP_THRESHOLD=$(CONFIG_REGION_QUARANTINE_SKIP_THRESHOLD) \
-DFREE_SLABS_QUARANTINE_RANDOM_LENGTH=$(CONFIG_FREE_SLABS_QUARANTINE_RANDOM_LENGTH) \
-DCONFIG_CLASS_REGION_SIZE=$(CONFIG_CLASS_REGION_SIZE)
-DCONFIG_CLASS_REGION_SIZE=$(CONFIG_CLASS_REGION_SIZE) \
-DN_ARENA=$(CONFIG_N_ARENA)
libhardened_malloc.so: $(OBJECTS)
$(CC) $(CFLAGS) $(LDFLAGS) -shared $^ $(LDLIBS) -o $@