eal/ppc: support ASan

Message ID 20211115184106.1406617-1-drc@linux.vnet.ibm.com (mailing list archive)
State Superseded, archived
Delegated to: David Marchand
Headers
Series eal/ppc: support ASan |

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK
ci/intel-Testing success Testing PASS
ci/github-robot: build success github build: passed
ci/iol-spell-check-testing warning Testing issues
ci/iol-mellanox-Performance success Performance Testing PASS
ci/iol-broadcom-Functional success Functional Testing PASS
ci/iol-broadcom-Performance success Performance Testing PASS
ci/iol-x86_64-compile-testing success Testing PASS
ci/iol-x86_64-unit-testing success Testing PASS
ci/iol-aarch64-compile-testing success Testing PASS
ci/iol-aarch64-unit-testing success Testing PASS
ci/iol-intel-Functional success Functional Testing PASS
ci/iol-intel-Performance success Performance Testing PASS

Commit Message

David Christensen Nov. 15, 2021, 6:41 p.m. UTC
  Add support for Address Sanitizer (ASan) for PPC/POWER architecture.

Signed-off-by: David Christensen <drc@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(-)
  

Comments

David Marchand Nov. 15, 2021, 8:10 p.m. UTC | #1
On Mon, Nov 15, 2021 at 7:41 PM David Christensen
<drc@linux.vnet.ibm.com> wrote:
>
> Add support for Address Sanitizer (ASan) for PPC/POWER architecture.
>
> Signed-off-by: David Christensen <drc@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')

Now that all supported 64-bits arches can have ASan, we can remove the
check on arch_subdir.


>          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.

is enabled for 64-bits architectures on Linux.



>  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
>

Thanks.
  

Patch

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