From: Alexey Brodkin Date: Fri, 17 Jul 2015 10:12:20 +0000 (+0300) Subject: gcc: fix undefined reference to .tdata X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=37d019e81af38af780157b078057f794d93b2046;p=buildroot.git gcc: fix undefined reference to .tdata This fix is done in development tree: http://github.com/foss-for-synopsys-dwc-arc-processors/gcc/commit/366cc86e4f8ff6f00f0b731dc6f78d22c7ac9e0a and will be a part of the next release of ARC GNU tools. Once that new release happens this patch must be removed. Fixes: http://autobuild.buildroot.net/results/8b22ac0dc9e3c1cd44f2fdbe5cc99a41cf77f454/ http://autobuild.buildroot.net/results/37e9c3c79e0a6aea5b89428c2226811ebb3fd611/ http://autobuild.buildroot.net/results/37e9c3c79e0a6aea5b89428c2226811ebb3fd611/ and many others. Prerequisite: "ARC: update tools to arc-2015.06 release": http://patchwork.ozlabs.org/patch/495837/ Signed-off-by: Alexey Brodkin Cc: Anton Kolesov Cc: Thomas Petazzoni Cc: Peter Korsgaard Signed-off-by: Thomas Petazzoni --- diff --git a/package/gcc/arc-2015.06/0001-Differentiate-between-a-bss-TLS-initialized-symbol.patch b/package/gcc/arc-2015.06/0001-Differentiate-between-a-bss-TLS-initialized-symbol.patch new file mode 100644 index 0000000000..7a86b621ac --- /dev/null +++ b/package/gcc/arc-2015.06/0001-Differentiate-between-a-bss-TLS-initialized-symbol.patch @@ -0,0 +1,42 @@ +From 366cc86e4f8ff6f00f0b731dc6f78d22c7ac9e0a Mon Sep 17 00:00:00 2001 +From: Claudiu Zissulescu +Date: Tue, 7 Jul 2015 17:59:52 +0200 +Subject: [PATCH] Differentiate between a bss TLS initialized symbol. + +Back-port from https://github.com/foss-for-synopsys-dwc-arc-processors/gcc/commit/366cc86e4f8ff6f00f0b731dc6f78d22c7ac9e0a + +This patch fixes "undefined reference to .tdata" observed in many autobuilder +results for ARC. + +Once the next release of ARC GNU tools happens this patch must be removed from +Buildroot. + +--- + gcc/config/arc/arc.c | 9 +++++++-- + 1 file changed, 7 insertions(+), 2 deletions(-) + +diff --git a/gcc/config/arc/arc.c b/gcc/config/arc/arc.c +index b6eb3b5..73c3a87 100644 +--- a/gcc/config/arc/arc.c ++++ b/gcc/config/arc/arc.c +@@ -5262,10 +5262,15 @@ arc_legitimize_tls_address (rtx addr, enum tls_model model) + { + case TLS_MODEL_LOCAL_DYNAMIC: + rtx base; +- tree base_decl; base_decl +- = lookup_attribute ("tls9", DECL_ATTRIBUTES (SYMBOL_REF_DECL (addr))); ++ tree base_decl, decl; ++ decl = SYMBOL_REF_DECL (addr); ++ base_decl = lookup_attribute ("tls9", DECL_ATTRIBUTES (decl)); + const char *base_name; base_name = DTPOFF_ZERO_SYM; + rtvec v; ++ ++ if (bss_initializer_p (decl)) ++ base_name = ".tbss"; ++ + if (base_decl && TREE_VALUE (base_decl) + && TREE_VALUE (TREE_VALUE (base_decl))) + { +-- +2.4.3 +