[oe-commits] Roy Li : elfutils: fix stack usage warning

[git at git.openembedded.org]

Module: openembedded-core.git
Branch: master
Commit: 80d6a1c249ae8cd7b0bdc011a2d680221799cc83
URL:    http://git.openembedded.org/?p=openembedded-core.git&a=commit;h=80d6a1c249ae8cd7b0bdc011a2d680221799cc83

Author: Roy Li <rongqing.li at windriver.com>
Date:   Mon Jul 13 09:52:36 2015 +0800

elfutils: fix stack usage warning

Signed-off-by: Roy Li <rongqing.li at windriver.com>
Signed-off-by: Ross Burton <ross.burton at intel.com>

---

 .../0001-fix-a-stack-usage-warning.patch           | 28 ++++++++++++++++++++++
 meta/recipes-devtools/elfutils/elfutils_0.163.bb   |  1 +
 2 files changed, 29 insertions(+)

diff --git a/meta/recipes-devtools/elfutils/elfutils-0.163/0001-fix-a-stack-usage-warning.patch b/meta/recipes-devtools/elfutils/elfutils-0.163/0001-fix-a-stack-usage-warning.patch
new file mode 100644
index 0000000..6923bf7
--- /dev/null
+++ b/meta/recipes-devtools/elfutils/elfutils-0.163/0001-fix-a-stack-usage-warning.patch
@@ -0,0 +1,28 @@
+[PATCH] fix a stack-usage warning
+
+Upstream-Status: Pending
+
+not use a variable to as a array size, otherwise the warning to error that
+stack usage might be unbounded [-Werror=stack-usage=] will happen
+
+Signed-off-by: Roy Li <rongqing.li at windriver.com>
+---
+ backends/ppc_initreg.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/backends/ppc_initreg.c b/backends/ppc_initreg.c
+index 64f5379..52dde3e 100644
+--- a/backends/ppc_initreg.c
++++ b/backends/ppc_initreg.c
+@@ -93,7 +93,7 @@ ppc_set_initial_registers_tid (pid_t tid __attribute__ ((unused)),
+ 	return false;
+     }
+   const size_t gprs = sizeof (user_regs.r.gpr) / sizeof (*user_regs.r.gpr);
+-  Dwarf_Word dwarf_regs[gprs];
++  Dwarf_Word dwarf_regs[sizeof (user_regs.r.gpr) / sizeof (*user_regs.r.gpr)];
+   for (unsigned gpr = 0; gpr < gprs; gpr++)
+     dwarf_regs[gpr] = user_regs.r.gpr[gpr];
+   if (! setfunc (0, gprs, dwarf_regs, arg))
+-- 
+1.9.1
+
diff --git a/meta/recipes-devtools/elfutils/elfutils_0.163.bb b/meta/recipes-devtools/elfutils/elfutils_0.163.bb
index c4fdabd..e391813 100644
--- a/meta/recipes-devtools/elfutils/elfutils_0.163.bb
+++ b/meta/recipes-devtools/elfutils/elfutils_0.163.bb
@@ -17,6 +17,7 @@ SRC_URI += "\
         file://fixheadercheck.patch \
         file://0001-elf_getarsym-Silence-Werror-maybe-uninitialized-fals.patch \
         file://0001-remove-the-unneed-checking.patch \
+        file://0001-fix-a-stack-usage-warning.patch \
 "
 
 # pick the patch from debian