libunwind: backtrace APIs are glibc specific
Make backtrace() API's use conditional on glibc this helps make libunwind compile on musl (From OE-Core rev: acffe22de65fad2f69c702e4fe94b366883a265b) Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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From 04437142399662b576bd55a85485c6dcc14d0812 Mon Sep 17 00:00:00 2001
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From: Khem Raj <raj.khem@gmail.com>
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Date: Thu, 31 Dec 2015 06:44:07 +0000
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Subject: [PATCH] backtrace: Use only with glibc and uclibc
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backtrace API is glibc specific not linux specific
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so make it behave so.
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Signed-off-by: Khem Raj <raj.khem@gmail.com>
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---
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Upstream-Status: Pending
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tests/test-coredump-unwind.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/tests/test-coredump-unwind.c b/tests/test-coredump-unwind.c
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index 5254708..8767b42 100644
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--- a/tests/test-coredump-unwind.c
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+++ b/tests/test-coredump-unwind.c
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@@ -57,7 +57,9 @@
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#include <grp.h>
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/* For SIGSEGV handler code */
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+#ifdef __GLIBC__
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#include <execinfo.h>
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+#endif
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#include <sys/ucontext.h>
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#include <libunwind-coredump.h>
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@@ -238,11 +240,11 @@ void handle_sigsegv(int sig, siginfo_t *info, void *ucontext)
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ip);
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{
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+#ifdef __GLIBC__
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/* glibc extension */
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void *array[50];
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int size;
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size = backtrace(array, 50);
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-#ifdef __linux__
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backtrace_symbols_fd(array, size, 2);
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#endif
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}
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--
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2.6.4
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@ -7,6 +7,7 @@ SRC_URI += "\
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file://Link-libunwind-to-libgcc_s-rather-than-libgcc.patch \
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file://0001-Invalid-dwarf-opcodes-can-cause-references-beyond-th.patch \
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file://Add-AO_REQUIRE_CAS-to-fix-build-on-ARM-v6.patch \
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file://0001-backtrace-Use-only-with-glibc-and-uclibc.patch \
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"
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SRC_URI[md5sum] = "fb4ea2f6fbbe45bf032cd36e586883ce"
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