From 932146a33175f14fda42899edf78fb31228062e5 Mon Sep 17 00:00:00 2001 From: Martin Jansa Date: Fri, 10 Apr 2015 12:14:43 +0200 Subject: ltrace: fix build with -Os Signed-off-by: Martin Jansa --- ...n-Linux-backend-initialize-linkmap-struct.patch | 31 ++++++++++++++++++++++ meta-oe/recipes-devtools/ltrace/ltrace_git.bb | 1 + 2 files changed, 32 insertions(+) create mode 100644 meta-oe/recipes-devtools/ltrace/ltrace/0001-In-Linux-backend-initialize-linkmap-struct.patch diff --git a/meta-oe/recipes-devtools/ltrace/ltrace/0001-In-Linux-backend-initialize-linkmap-struct.patch b/meta-oe/recipes-devtools/ltrace/ltrace/0001-In-Linux-backend-initialize-linkmap-struct.patch new file mode 100644 index 0000000000..13609c13c1 --- /dev/null +++ b/meta-oe/recipes-devtools/ltrace/ltrace/0001-In-Linux-backend-initialize-linkmap-struct.patch @@ -0,0 +1,31 @@ +From efd12cfb10ccd2c612838c0e22069554ce60637c Mon Sep 17 00:00:00 2001 +From: Petr Machata +Date: Wed, 2 Jan 2013 16:01:43 +0100 +Subject: [PATCH] In Linux backend, initialize linkmap struct + +GCC 4.7.2 -m32 -Os gives the following (spurious) warning: +proc.c: In function 'crawl_linkmap': +proc.c:544:25: error: 'rlm.l_addr' may be used uninitialized in this + +Upstream-Status: Backport +Signed-off-by: Martin Jansa +--- + sysdeps/linux-gnu/proc.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/sysdeps/linux-gnu/proc.c b/sysdeps/linux-gnu/proc.c +index 6e01d28..d69c985 100644 +--- a/sysdeps/linux-gnu/proc.c ++++ b/sysdeps/linux-gnu/proc.c +@@ -484,7 +484,7 @@ crawl_linkmap(struct process *proc, struct lt_r_debug_64 *dbg) + arch_addr_t addr = (arch_addr_t)(uintptr_t)dbg->r_map; + + while (addr != 0) { +- struct lt_link_map_64 rlm; ++ struct lt_link_map_64 rlm = {}; + if (lm_fetcher(proc)(proc, addr, &rlm) < 0) { + debug(2, "Unable to read link map"); + return; +-- +2.3.5 + diff --git a/meta-oe/recipes-devtools/ltrace/ltrace_git.bb b/meta-oe/recipes-devtools/ltrace/ltrace_git.bb index 69848483d7..f9f16843bd 100644 --- a/meta-oe/recipes-devtools/ltrace/ltrace_git.bb +++ b/meta-oe/recipes-devtools/ltrace/ltrace_git.bb @@ -18,6 +18,7 @@ RDEPENDS_${PN} = "elfutils" SRC_URI = "git://anonscm.debian.org/collab-maint/ltrace.git \ file://ltrace-0.7.2-unused-typedef.patch \ file://configure-allow-to-disable-selinux-support.patch \ + file://0001-In-Linux-backend-initialize-linkmap-struct.patch \ " S = "${WORKDIR}/git" -- cgit 1.2.3-korg