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buildrootschalter/package/uclibc/0.9.33.2/uclibc-0051-libubacktrace-fix-backtrace-for-statically-linked-ap.patch
Peter Korsgaard 055f1c02d3 uclibc: add upstream 0.9.33 fixes 
Upstream has a large number of patches lined up for the next 0.9.33.x bugfix
release;

http://git.uclibc.org/uClibc/log/?h=0.9.33

Add them here, as atleast some of them are quite critical (E.G. the eventfd
issue gets triggered by recent glib versions).

I've skipped the microblaze and xtensa fixes as we don't currently support
those with 0.9.33.2.

Drop uclibc-0002-Add-definition-of-MSG_WAITFORONE-and-MSG_CMSG_CMSG_CLOEXE.patch
as that is a subset of uclibc-0035-socket.h-pull-socket_type.h-from-eglibc.patch

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2013-09-06 15:28:51 +02:00

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From 6b2250a1a39362abe53e78a45897caecf65ec73f Mon Sep 17 00:00:00 2001
From: Filippo Arcidiacono <filippo.arcidiacono@st.com>
Date: Thu, 9 May 2013 11:42:23 +0200
Subject: [PATCH] libubacktrace: fix backtrace for statically linked
application
libgcc_s.so's unwinder could not access unwind tables of statically
linked binaries, so we really want to use _Unwind_* stuff from
libgcc_eh.a.
It required to build backtrace.c differentiating between shared and
static case.
Signed-off-by: Filippo Arcidiacono <filippo.arcidiacono@st.com>
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
(cherry picked from commit 71c10c484e7dc113396cccb7e503befb759c6346)
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
---
libubacktrace/Makefile.in | 23 ++++++++++++++---------
libubacktrace/arm/Makefile.arch | 2 +-
libubacktrace/arm/backtrace.c | 7 +++++++
libubacktrace/backtrace.c | 7 +++++++
4 files changed, 29 insertions(+), 10 deletions(-)
diff --git a/libubacktrace/Makefile.in b/libubacktrace/Makefile.in
index 8a4b081..612bf2d 100644
--- a/libubacktrace/Makefile.in
+++ b/libubacktrace/Makefile.in
@@ -25,11 +25,13 @@ libubacktrace_ARCH_OUT:=$(libubacktrace_OUT)/$(TARGET_ARCH)
-include $(libubacktrace_ARCH_DIR)/Makefile.arch
libubacktrace_SRC-y :=
-libubacktrace_SRC-$(UCLIBC_HAS_BACKTRACE) := backtrace.c backtracesyms.c backtracesymsfd.c
+libubacktrace_SRC-$(UCLIBC_HAS_BACKTRACE) := backtracesyms.c backtracesymsfd.c
+libubacktrace_SRC_SHARED-$(UCLIBC_HAS_BACKTRACE) := backtrace.c
# remove generic sources, if arch specific version is present
ifneq ($(strip $(libubacktrace_ARCH_SRC-y)),)
libubacktrace_SRC-y := $(filter-out $(notdir $(libubacktrace_ARCH_SRC-y)),$(libubacktrace_SRC-y))
+libubacktrace_SRC_SHARED-y := $(filter-out $(notdir $(libubacktrace_ARCH_SRC-y)),$(libubacktrace_SRC_SHARED-y))
endif
# -fasynchronous-unwind-tables is required for backtrace to work using dwarf2
@@ -43,12 +45,19 @@ endif
libubacktrace_SRCS := $(patsubst %.c,$(libubacktrace_DIR)/%.c,$(libubacktrace_SRC-y))
libubacktrace_OBJS := $(patsubst $(libubacktrace_DIR)/%.c,$(libubacktrace_OUT)/%.o,$(libubacktrace_SRCS))
+libubacktrace_SHARED_SRCS := $(patsubst %.c,$(libubacktrace_DIR)/%.c,$(libubacktrace_SHARED_SRC-y))
+libubacktrace_SHARED_OBJS := $(patsubst $(libubacktrace_DIR)/%.c,$(libubacktrace_OUT)/%.s,$(libubacktrace_SHARED_SRCS))
+
+libubacktrace-shared-y := $(libubacktrace_SHARED_OBJS:.os=.oS)
+libubacktrace-static-y := $(libubacktrace_SHARED_OBJS)
+
ifeq ($(DOPIC),y)
-libubacktrace-a-y += $(libubacktrace_OBJS:.o=.os)
+libubacktrace-a-y += $(libubacktrace_OBJS:.o=.os) $(libubacktrace-static-y:.o=.os)
else
-libubacktrace-a-y += $(libubacktrace_OBJS)
+libubacktrace-a-y += $(libubacktrace_OBJS) $(libubacktrace-static-y)
endif
-libubacktrace-so-y += $(libubacktrace_OBJS:.o=.os)
+libubacktrace-so-y += $(libubacktrace_OBJS:.o=.os) $(libubacktrace-shared-y)
+
lib-a-$(UCLIBC_HAS_BACKTRACE) += $(top_builddir)lib/libubacktrace.a
lib-so-$(UCLIBC_HAS_BACKTRACE) += $(top_builddir)lib/libubacktrace.so
@@ -56,11 +65,7 @@ lib-so-$(UCLIBC_HAS_BACKTRACE) += $(top_builddir)lib/libubacktrace.so
objclean-y += CLEAN_libubacktrace
ifeq ($(DOMULTI),n)
-ifeq ($(DOPIC),y)
-$(top_builddir)lib/libubacktrace.so: $(top_builddir)lib/libubacktrace.a $(libdl.depend)
-else
$(top_builddir)lib/libubacktrace.so: $(libubacktrace_OUT)/libubacktrace_so.a $(libdl.depend)
-endif
$(call link.so,$(libubacktrace_FULL_NAME),$(ABI_VERSION))
else
$(top_builddir)lib/libubacktrace.so: $(libubacktrace_OUT)/libubacktrace.oS | $(libdl.depend)
@@ -71,7 +76,7 @@ $(libubacktrace_OUT)/libubacktrace_so.a: $(libubacktrace-so-y)
$(Q)$(RM) $@
$(do_ar)
-$(libubacktrace_OUT)/libubacktrace.oS: $(libubacktrace_SRCS) $(libubacktrace_ARCH_SRCS)
+$(libubacktrace_OUT)/libubacktrace.oS: $(libubacktrace_SRCS) $(libubacktrace_ARCH_SRCS) $(libubacktrace_SHARED_SRCS)
$(Q)$(RM) $@
$(compile-m)
diff --git a/libubacktrace/arm/Makefile.arch b/libubacktrace/arm/Makefile.arch
index 53b8c0e..b3fb500 100644
--- a/libubacktrace/arm/Makefile.arch
+++ b/libubacktrace/arm/Makefile.arch
@@ -14,4 +14,4 @@ libubacktrace-a-y+=$(libubacktrace_ARCH_OBJS:.o=.os)
else
libubacktrace-a-y+=$(libubacktrace_ARCH_OBJS)
endif
-libubacktrace-so-y+=$(libubacktrace_ARCH_OBJS:.o=.os)
+libubacktrace-so-y+=$(libubacktrace_ARCH_OBJS:.o=.oS)
diff --git a/libubacktrace/arm/backtrace.c b/libubacktrace/arm/backtrace.c
index d4eca32..5955189 100644
--- a/libubacktrace/arm/backtrace.c
+++ b/libubacktrace/arm/backtrace.c
@@ -25,6 +25,7 @@ struct trace_arg
int cnt, size;
};
+#ifdef SHARED
static _Unwind_Reason_Code (*unwind_backtrace) (_Unwind_Trace_Fn, void *);
static _Unwind_VRS_Result (*unwind_vrs_get) (_Unwind_Context *,
_Unwind_VRS_RegClass,
@@ -42,6 +43,10 @@ static void backtrace_init (void)
abort();
}
}
+#else
+# define unwind_backtrace _Unwind_Backtrace
+# define unwind_vrs_get _Unwind_VRS_Get
+#endif
/* This function is identical to "_Unwind_GetGR", except that it uses
"unwind_vrs_get" instead of "_Unwind_VRS_Get". */
static inline _Unwind_Word
@@ -80,8 +85,10 @@ int backtrace (void **array, int size)
{
struct trace_arg arg = { .array = array, .size = size, .cnt = -1 };
+#ifdef SHARED
if (unwind_backtrace == NULL)
backtrace_init();
+#endif
if (size >= 1)
unwind_backtrace (backtrace_helper, &arg);
diff --git a/libubacktrace/backtrace.c b/libubacktrace/backtrace.c
index fdd5981..1e0a0ec 100644
--- a/libubacktrace/backtrace.c
+++ b/libubacktrace/backtrace.c
@@ -33,6 +33,7 @@ struct trace_arg
int cnt, size;
};
+#ifdef SHARED
static _Unwind_Reason_Code (*unwind_backtrace) (_Unwind_Trace_Fn, void *);
static _Unwind_Ptr (*unwind_getip) (struct _Unwind_Context *);
@@ -47,6 +48,10 @@ static void backtrace_init (void)
abort();
}
}
+#else
+# define unwind_backtrace _Unwind_Backtrace
+# define unwind_getip _Unwind_GetIP
+#endif
static _Unwind_Reason_Code
backtrace_helper (struct _Unwind_Context *ctx, void *a)
@@ -71,8 +76,10 @@ int backtrace (void **array, int size)
{
struct trace_arg arg = { .array = array, .size = size, .cnt = -1 };
+#ifdef SHARED
if (unwind_backtrace == NULL)
backtrace_init();
+#endif
if (size >= 1)
unwind_backtrace (backtrace_helper, &arg);
--
1.7.10.4
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