75 lines
2.9 KiB
Diff
75 lines
2.9 KiB
Diff
From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
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From: Sergio Durigan Junior <sergiodj@redhat.com>
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Date: Tue, 5 Jun 2018 17:55:39 -0400
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Subject: gdb-aarch64-guard-sve-macros.patch
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FileName: gdb-aarch64-guard-sve-macros.patch
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;; Guard declarations of 'sve_{vq,vl}_from_{vl,vq}' macros on Aarch64
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;; This patch should be removed on the next rebase.
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Guard declarations of 'sve_{vq,vl}_from_{vl,vq}' macros on Aarch64 (and unbreak build)
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Commit 122394f1476b1c925a281b15399119500c8231c1 ("Function for reading
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the Aarch64 SVE vector length") has added macros to manipulate SVE
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vector sizes based on Linux kernel sources, but did not guard them
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with #ifndef's, which breaks the build when the system headers already
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have these macros:
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CXX aarch64-linux-nat.o
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In file included from ../../gdb/aarch64-tdep.h:25,
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from ../../gdb/aarch64-linux-nat.c:30:
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../../gdb/arch/aarch64.h:79: error: "sve_vq_from_vl" redefined [-Werror]
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#define sve_vq_from_vl(vl) ((vl) / 0x10)
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In file included from /usr/include/bits/sigcontext.h:30,
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from /usr/include/signal.h:291,
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from build-gnulib/import/signal.h:52,
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from ../../gdb/linux-nat.h:23,
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from ../../gdb/aarch64-linux-nat.c:26:
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/usr/include/asm/sigcontext.h:154: note: this is the location of the previous definition
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#define sve_vq_from_vl(vl) ((vl) / SVE_VQ_BYTES)
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In file included from ../../gdb/aarch64-tdep.h:25,
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from ../../gdb/aarch64-linux-nat.c:30:
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../../gdb/arch/aarch64.h:80: error: "sve_vl_from_vq" redefined [-Werror]
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#define sve_vl_from_vq(vq) ((vq) * 0x10)
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In file included from /usr/include/bits/sigcontext.h:30,
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from /usr/include/signal.h:291,
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from build-gnulib/import/signal.h:52,
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from ../../gdb/linux-nat.h:23,
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from ../../gdb/aarch64-linux-nat.c:26:
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/usr/include/asm/sigcontext.h:155: note: this is the location of the previous definition
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#define sve_vl_from_vq(vq) ((vq) * SVE_VQ_BYTES)
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In order to fix this breakage, this commit guards the declaration of
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the macros using #ifndef's.
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gdb/ChangeLog:
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2018-06-06 Sergio Durigan Junior <sergiodj@redhat.com>
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* arch/aarch64.h (sve_vg_from_vl): Guard with #ifndef.
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(sve_vl_from_vg): Likewise.
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(sve_vq_from_vl): Likewise.
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(sve_vl_from_vq): Likewise.
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(sve_vq_from_vg): Likewise.
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(sve_vg_from_vq): Likewise.
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diff --git a/gdb/arch/aarch64.h b/gdb/arch/aarch64.h
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--- a/gdb/arch/aarch64.h
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+++ b/gdb/arch/aarch64.h
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@@ -76,8 +76,12 @@ enum aarch64_regnum
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#define sve_vg_from_vl(vl) ((vl) / 8)
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#define sve_vl_from_vg(vg) ((vg) * 8)
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+#ifndef sve_vq_from_vl
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#define sve_vq_from_vl(vl) ((vl) / 0x10)
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+#endif
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+#ifndef sve_vl_from_vq
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#define sve_vl_from_vq(vq) ((vq) * 0x10)
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+#endif
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#define sve_vq_from_vg(vg) (sve_vq_from_vl (sve_vl_from_vg (vg)))
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#define sve_vg_from_vq(vq) (sve_vg_from_vl (sve_vl_from_vq (vq)))
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