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60 lines
2.1 KiB
Diff
60 lines
2.1 KiB
Diff
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From 9d9f97ca5d1ceba66677bf406c9b31027dc1f22e Mon Sep 17 00:00:00 2001
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From: Waldemar Brodkorb <wbx@openadk.org>
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Date: Fri, 19 Aug 2016 13:54:46 +0200
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Subject: [PATCH] libgcc: fix DWARF compilation with FDPIC targets
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The build of unwind-dw2-fde-dip.c currently fails for FDPIC targets with
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the following error:
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libgcc/unwind-dw2-fde-dip.c:167:31: error: storage size of 'load_base' isn't known
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struct elf32_fdpic_loadaddr load_base;
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This patch addresses that by defining load_base with the appropriate
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type on FDPIC targets. It has been tested on FRV and Blackfin.
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Fixes PR gcc/68468.
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Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
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Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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---
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libgcc/unwind-dw2-fde-dip.c | 8 ++++++--
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1 file changed, 6 insertions(+), 2 deletions(-)
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diff --git a/libgcc/unwind-dw2-fde-dip.c b/libgcc/unwind-dw2-fde-dip.c
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index f7a1c3f..801bce8 100644
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--- a/libgcc/unwind-dw2-fde-dip.c
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+++ b/libgcc/unwind-dw2-fde-dip.c
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@@ -124,7 +124,11 @@ static struct frame_hdr_cache_element
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{
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_Unwind_Ptr pc_low;
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_Unwind_Ptr pc_high;
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+#if defined __FRV_FDPIC__ || defined __BFIN_FDPIC__
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+ struct elf32_fdpic_loadaddr load_base;
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+#else
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_Unwind_Ptr load_base;
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+#endif
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const ElfW(Phdr) *p_eh_frame_hdr;
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const ElfW(Phdr) *p_dynamic;
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struct frame_hdr_cache_element *link;
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@@ -163,7 +167,7 @@ _Unwind_IteratePhdrCallback (struct dl_phdr_info *info, size_t size, void *ptr)
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struct unw_eh_callback_data *data = (struct unw_eh_callback_data *) ptr;
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const ElfW(Phdr) *phdr, *p_eh_frame_hdr, *p_dynamic;
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long n, match;
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-#ifdef __FRV_FDPIC__
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+#if defined __FRV_FDPIC__ || defined __BFIN_FDPIC__
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struct elf32_fdpic_loadaddr load_base;
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#else
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_Unwind_Ptr load_base;
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@@ -347,7 +351,7 @@ _Unwind_IteratePhdrCallback (struct dl_phdr_info *info, size_t size, void *ptr)
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break;
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}
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}
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-# elif defined __FRV_FDPIC__ && defined __linux__
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+# elif (defined __FRV_FDPIC__ || defined __BFIN_FDPIC__) && defined __linux__
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data->dbase = load_base.got_value;
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# else
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# error What is DW_EH_PE_datarel base on this platform?
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--
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2.7.4
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