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author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2016-07-24 09:26:59 +1000 |
---|---|---|
committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2016-08-18 16:04:26 +1000 |
commit | b54745c0a81af6e2ecd86f50f2b66aa9d0f4409e (patch) | |
tree | 5ef40e0df885ea8517d7984875cbf27a63efd48c | |
parent | 4296082b02630ac56697fc81b13465b49db2d7b1 (diff) | |
download | skiboot-b54745c0a81af6e2ecd86f50f2b66aa9d0f4409e.zip skiboot-b54745c0a81af6e2ecd86f50f2b66aa9d0f4409e.tar.gz skiboot-b54745c0a81af6e2ecd86f50f2b66aa9d0f4409e.tar.bz2 |
Add global DEBUG make flag
And use it to control the stack checker, memory poisoning and
CCAN's list debugging.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
-rw-r--r-- | Makefile | 7 | ||||
-rw-r--r-- | Makefile.main | 4 | ||||
-rw-r--r-- | core/mem_region.c | 4 |
3 files changed, 14 insertions, 1 deletions
@@ -16,6 +16,11 @@ else endif # +# Main debug switch +# +DEBUG ?= 0 + +# # Set to enable SLW bits # PORE ?= 1 @@ -30,7 +35,7 @@ KERNEL ?= # # Optional build with advanced stack checking # -STACK_CHECK ?= 0 +STACK_CHECK ?= $(DEBUG) # # Where is the source directory, must be a full path (no ~) diff --git a/Makefile.main b/Makefile.main index 35d1609..179ed11 100644 --- a/Makefile.main +++ b/Makefile.main @@ -60,6 +60,10 @@ CPPFLAGS += -DBITS_PER_LONG=64 -DHAVE_BIG_ENDIAN # causing all our printf's to warn CPPFLAGS += -ffreestanding +ifeq ($(DEBUG),1) +CPPFLAGS += -DDEBUG -DCCAN_LIST_DEBUG +endif + CFLAGS := -fno-strict-aliasing -fstack-protector-all -pie -mbig-endian -m64 CFLAGS += -Wl,--oformat,elf64-powerpc CFLAGS += $(call try-cflag,$(CC),-mabi=elfv1) diff --git a/core/mem_region.c b/core/mem_region.c index 0c482b0..576deae 100644 --- a/core/mem_region.c +++ b/core/mem_region.c @@ -30,7 +30,11 @@ int64_t mem_dump_free(void); void mem_dump_allocs(void); /* Memory poisoning on free (if POISON_MEM_REGION set to 1) */ +#ifdef DEBUG +#define POISON_MEM_REGION 1 +#else #define POISON_MEM_REGION 0 +#endif #define POISON_MEM_REGION_WITH 0x99 #define POISON_MEM_REGION_LIMIT 1*1024*1024*1024 |