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7e98da058f
This change reorganizes and cleanups our patches to reduce the patch number from 314 patches to 187. That's achieved by dropping patches that are later reverted and squashing fixes for earlier patches that introduced features. There are no code changes and the diff with upstream is the same before and after the cleanup. Having fewer patches makes easier to manage the patchset and also will ease to rebase them on top of the latest grub-2.04 release. Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
42 lines
1.6 KiB
Diff
42 lines
1.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Javier Martinez Canillas <javierm@redhat.com>
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Date: Sat, 12 May 2018 11:29:07 +0200
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Subject: [PATCH] Don't attempt to export the start and _start symbols for
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grub-emu
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Commit 318ee04aadc ("make better backtraces") reworked the backtrace logic
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but the changes lead to the following build error on the grub-emu platform:
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grub_emu_lite-symlist.o:(.data+0xf08): undefined reference to `start'
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collect2: error: ld returned 1 exit status
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make[3]: *** [Makefile:25959: grub-emu-lite] Error 1
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make[3]: *** Waiting for unfinished jobs....
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cat kernel_syms.input | grep -v '^#' | sed -n \
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-e '/EXPORT_FUNC *([a-zA-Z0-9_]*)/{s/.*EXPORT_FUNC *(\([a-zA-Z0-9_]*\)).*/defined kernel '""'\1/;p;}' \
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-e '/EXPORT_VAR *([a-zA-Z0-9_]*)/{s/.*EXPORT_VAR *(\([a-zA-Z0-9_]*\)).*/defined kernel '""'\1/;p;}' \
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| sort -u >kernel_syms.lst
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The problem is that start and _start symbols are exported unconditionally,
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but these aren't defined for grub-emu since is an emultaed platform so it
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doesn't have a startup logic. Don't attempt to export those for grub-emu.
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Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
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---
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include/grub/kernel.h | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/include/grub/kernel.h b/include/grub/kernel.h
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index ae69218af20..9548d552aad 100644
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--- a/include/grub/kernel.h
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+++ b/include/grub/kernel.h
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@@ -108,8 +108,10 @@ grub_addr_t grub_modules_get_end (void);
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#endif
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+#if !defined(GRUB_MACHINE_EMU)
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void EXPORT_FUNC(start) (void);
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void EXPORT_FUNC(_start) (void);
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+#endif
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/* The start point of the C code. */
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void grub_main (void) __attribute__ ((noreturn));
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