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Backport of this upstream commit, with ports/ readded to the path.
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commit b8528e771c0f31ebb8ac2470e2cf7ee9a50693e2
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Author: Szabolcs Nagy <nsz@port70.net>
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Date: Thu Jul 9 09:53:30 2015 +0100
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[AArch64][BZ 18648] change greg_t definition in ucontext.h
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This is an ABI breaking change, but
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typedef int greg_t;
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is not a useful definition on aarch64.
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greg_t is usually used for defining gregset_t which is used
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in mcontext_t. The general registers in mcontext_t can only
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be accessed by target specific code and on aarch64 greg_t
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is not needed for that so this change is not supposed to break
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existing code, just fix the definition.
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[BZ #18648]
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* sysdeps/unix/sysv/linux/aarch64/sys/ucontext.h (greg_t): Change the
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definition to elf_greg_t.
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(Added another BZ entry that was missed in the previous commit).
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diff --git a/ports/sysdeps/unix/sysv/linux/aarch64/sys/ucontext.h b/ports/sysdeps/unix/sysv/linux/aarch64/sys/ucontext.h
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index db7a7c1..e7268ce 100644
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--- a/ports/sysdeps/unix/sysv/linux/aarch64/sys/ucontext.h
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+++ b/ports/sysdeps/unix/sysv/linux/aarch64/sys/ucontext.h
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@@ -29,7 +29,7 @@
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included in <signal.h>. */
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#include <bits/sigcontext.h>
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-typedef int greg_t;
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+typedef elf_greg_t greg_t;
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/* Container for all general registers. */
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typedef elf_gregset_t gregset_t;
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