[OE-core] [PATCH] glibc: add missing TRAP_BRANCH/TRAP_HWBKPT definitions

[Khem Raj]

On Wed, Mar 22, 2017 at 10:54 PM, Fathi Boudra <fathi.boudra at linaro.org> wrote:
> Patch submitted upstream, pending to be merged:
> https://sourceware.org/bugzilla/show_bug.cgi?id=21286

Patch to glibc is fine provided you resent it with proper SRC_URI change
and report on how it builds in OE with this change applied

>
> Signed-off-by: Fathi Boudra <fathi.boudra at linaro.org>
> ---
>  ...o.h-enum-definition-for-TRAP_HWBKPT-is-mi.patch | 69 ++++++++++++++++++++++
>  meta/recipes-core/glibc/glibc_2.25.bb              |  1 +
>  2 files changed, 70 insertions(+)
>  create mode 100644 meta/recipes-core/glibc/glibc/0028-bits-siginfo.h-enum-definition-for-TRAP_HWBKPT-is-mi.patch
>
> diff --git a/meta/recipes-core/glibc/glibc/0028-bits-siginfo.h-enum-definition-for-TRAP_HWBKPT-is-mi.patch b/meta/recipes-core/glibc/glibc/0028-bits-siginfo.h-enum-definition-for-TRAP_HWBKPT-is-mi.patch
> new file mode 100644
> index 0000000000..fe22cc3442
> --- /dev/null
> +++ b/meta/recipes-core/glibc/glibc/0028-bits-siginfo.h-enum-definition-for-TRAP_HWBKPT-is-mi.patch
> @@ -0,0 +1,69 @@
> +From af3054b3856379d353a779801678f330e1b58c9a Mon Sep 17 00:00:00 2001
> +Message-Id: <af3054b3856379d353a779801678f330e1b58c9a.1490183611.git.panand at redhat.com>
> +From: Pratyush Anand <panand at redhat.com>
> +Date: Wed, 22 Mar 2017 17:02:38 +0530
> +Subject: [PATCH] bits/siginfo.h: enum definition for TRAP_HWBKPT is missing
> +MIME-Version: 1.0
> +Content-Type: text/plain; charset=UTF-8
> +Content-Transfer-Encoding: 8bit
> +
> +Compile following linux kernel test code with latest glibc:
> +
> +https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/tools/testing/selftests/breakpoints/breakpoint_test_arm64.c
> +
> +and we get following error:
> +breakpoint_test_arm64.c: In function ‘run_test’:
> +breakpoint_test_arm64.c:171:25: error: ‘TRAP_HWBKPT’ undeclared (first use in this function)
> +  if (siginfo.si_code != TRAP_HWBKPT) {
> +                         ^
> +I can compile test code by modifying my local
> +/usr/include/bits/siginfo.h and test works great. Therefore, this patch
> +will be needed in upstream glibc so that issue is fixed there as well.
> +
> +Signed-off-by: Pratyush Anand <panand at redhat.com>
> +
> +Upstream-Status : Submitted [https://sourceware.org/bugzilla/show_bug.cgi?id=21286]
> +---
> + bits/siginfo.h                         | 6 +++++-
> + sysdeps/unix/sysv/linux/bits/siginfo.h | 6 +++++-
> + 2 files changed, 10 insertions(+), 2 deletions(-)
> +
> +diff --git a/bits/siginfo.h b/bits/siginfo.h
> +index 4919df543634..6dc714e8f30b 100644
> +--- a/bits/siginfo.h
> ++++ b/bits/siginfo.h
> +@@ -140,8 +140,12 @@ enum
> + {
> +   TRAP_BRKPT = 1,             /* Process breakpoint.  */
> + #  define TRAP_BRKPT  TRAP_BRKPT
> +-  TRAP_TRACE                  /* Process trace trap.  */
> ++  TRAP_TRACE,                 /* Process trace trap.  */
> + #  define TRAP_TRACE  TRAP_TRACE
> ++  TRAP_BRANCH,                        /* Process branch trap. */
> ++# define TRAP_BRANCH  TRAP_BRANCH
> ++  TRAP_HWBKPT                 /* hardware breakpoint/watchpoint  */
> ++# define TRAP_HWBKPT  TRAP_HWBKPT
> + };
> + # endif
> +
> +diff --git a/sysdeps/unix/sysv/linux/bits/siginfo.h b/sysdeps/unix/sysv/linux/bits/siginfo.h
> +index 7b0d4f62a331..9cdf42a42557 100644
> +--- a/sysdeps/unix/sysv/linux/bits/siginfo.h
> ++++ b/sysdeps/unix/sysv/linux/bits/siginfo.h
> +@@ -235,8 +235,12 @@ enum
> + {
> +   TRAP_BRKPT = 1,             /* Process breakpoint.  */
> + #  define TRAP_BRKPT  TRAP_BRKPT
> +-  TRAP_TRACE                  /* Process trace trap.  */
> ++  TRAP_TRACE,                 /* Process trace trap.  */
> + #  define TRAP_TRACE  TRAP_TRACE
> ++  TRAP_BRANCH,                        /* Process branch trap. */
> ++# define TRAP_BRANCH  TRAP_BRANCH
> ++  TRAP_HWBKPT                 /* hardware breakpoint/watchpoint  */
> ++# define TRAP_HWBKPT  TRAP_HWBKPT
> + };
> + # endif
> +
> +--
> +2.9.3
> +
> diff --git a/meta/recipes-core/glibc/glibc_2.25.bb b/meta/recipes-core/glibc/glibc_2.25.bb
> index cf9c4f71b8..3f3d6ae2ae 100644
> --- a/meta/recipes-core/glibc/glibc_2.25.bb
> +++ b/meta/recipes-core/glibc/glibc_2.25.bb
> @@ -42,6 +42,7 @@ SRC_URI = "${GLIBC_GIT_URI};branch=${SRCBRANCH};name=glibc \
>             file://0025-Define-DUMMY_LOCALE_T-if-not-defined.patch \
>             file://0026-elf-dl-deps.c-Make-_dl_build_local_scope-breadth-fir.patch \
>             file://0027-locale-fix-hard-coded-reference-to-gcc-E.patch \
> +           file://0028-bits-siginfo.h-enum-definition-for-TRAP_HWBKPT-is-mi.patch
>  "
>
>  NATIVESDKFIXES ?= ""
> --
> 2.11.0
>