Add support for Address Sanitizer (ASan) for PPC/POWER architecture.
Signed-off-by: David Christensen <d...@linux.vnet.ibm.com>
---
config/meson.build | 2 +-
doc/guides/prog_guide/asan.rst | 4 ++--
lib/eal/common/malloc_elem.h | 2 ++
3 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/config/meson.build b/config/meson.build
index 3f5912fce7..ba433af7d9 100644
--- a/config/meson.build
+++ b/config/meson.build
@@ -433,7 +433,7 @@ if get_option('b_sanitize') == 'address' or
get_option('b_sanitize') == 'address
dpdk_extra_ldflags += '-lasan'
endif
- if is_linux and arch_subdir in ['x86', 'arm'] and
dpdk_conf.get('RTE_ARCH_64')
+ if is_linux and arch_subdir in ['x86', 'arm', 'ppc'] and
dpdk_conf.get('RTE_ARCH_64')
dpdk_conf.set10('RTE_MALLOC_ASAN', true)
endif
endif
diff --git a/doc/guides/prog_guide/asan.rst b/doc/guides/prog_guide/asan.rst
index 28b2382fc7..7c1b59cfea 100644
--- a/doc/guides/prog_guide/asan.rst
+++ b/doc/guides/prog_guide/asan.rst
@@ -32,8 +32,8 @@ Example::
- If the program is tested using cmdline, you may need to execute the
"stty echo" command when an error occurs.
-ASan is aware of DPDK memory allocations, thanks to added instrumentation.
-This is enabled on x86_64 and arm64 at the moment.
+ASan is aware of DPDK memory allocations, thanks to added instrumentation, and
+is enabled on x86_64, arm64, and PPC64 architectures.
Other architectures may have to define ASAN_SHADOW_OFFSET.
Example heap-buffer-overflow error
diff --git a/lib/eal/common/malloc_elem.h b/lib/eal/common/malloc_elem.h
index b982c83f70..15d8ba7af2 100644
--- a/lib/eal/common/malloc_elem.h
+++ b/lib/eal/common/malloc_elem.h
@@ -112,6 +112,8 @@ malloc_elem_cookies_ok(const struct malloc_elem *elem)
#define ASAN_SHADOW_OFFSET 0x00007fff8000
#elif defined(RTE_ARCH_ARM64)
#define ASAN_SHADOW_OFFSET 0x001000000000
+#elif defined(RTE_ARCH_PPC_64)
+#define ASAN_SHADOW_OFFSET 0x020000000000
#endif
#define ASAN_SHADOW_GRAIN_SIZE 8
--
2.27.0
