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6fd0878189
Backport the upstream patch that fixes the following build error when
compiling for mips with gcc 15:
In file included from mips-opc.c:29:
mips-opc.c: In function 'decode_mips_operand':
mips-formats.h:86:7: error: expected identifier or '(' before
'static_assert'
86 | static_assert[(1 << (SIZE)) == ARRAY_SIZE (MAP)]; \
| ^~~~~~~~~~~~~
The patch is already part of upstream binutils 2.44, so we only need
it for 2.42 and 2.43.1.
All 3 versions we have of host-binutils were build-tested using the
defconfig from the autobuilder failure (see the link below) and gcc 15
on the host.
Fixes:
- https://autobuild.buildroot.org/results/873/873ec25cf01d5f2b9ae7044e0b1d8d8791b781e6/
Signed-off-by: Raphaël Mélotte <raphael.melotte@mind.be>
Signed-off-by: Julien Olivain <ju.o@free.fr>
(cherry picked from commit 430aa91c3d)
Signed-off-by: Thomas Perale <thomas.perale@mind.be>
91 lines
3.1 KiB
Diff
91 lines
3.1 KiB
Diff
From 8ebe62f3f0d27806b1bf69f301f5e188b4acd2b4 Mon Sep 17 00:00:00 2001
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From: Sam James <sam@gentoo.org>
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Date: Sat, 16 Nov 2024 05:03:52 +0000
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Subject: [PATCH] opcodes: fix -std=gnu23 compatibility wrt static_assert
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static_assert is declared in C23 so we can't reuse that identifier:
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* Define our own static_assert conditionally;
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* Rename "static assert" hacks to _N as we do already in some places
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to avoid a conflict.
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ChangeLog:
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PR ld/32372
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* i386-gen.c (static_assert): Define conditionally.
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* mips-formats.h (MAPPED_INT): Rename identifier.
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(MAPPED_REG): Rename identifier.
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(OPTIONAL_MAPPED_REG): Rename identifier.
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* s390-opc.c (static_assert): Define conditionally.
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Upstream: https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=8ebe62f3f0d27806b1bf69f301f5e188b4acd2b4
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Signed-off-by: Raphaël Mélotte <raphael.melotte@mind.be>
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---
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opcodes/i386-gen.c | 2 ++
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opcodes/mips-formats.h | 6 +++---
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opcodes/s390-opc.c | 2 ++
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3 files changed, 7 insertions(+), 3 deletions(-)
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diff --git a/opcodes/i386-gen.c b/opcodes/i386-gen.c
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index 053b66675c5..7ee8a30310c 100644
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--- a/opcodes/i386-gen.c
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+++ b/opcodes/i386-gen.c
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@@ -30,7 +30,9 @@
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/* Build-time checks are preferrable over runtime ones. Use this construct
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in preference where possible. */
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+#ifndef static_assert
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#define static_assert(e) ((void)sizeof (struct { int _:1 - 2 * !(e); }))
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+#endif
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static const char *program_name = NULL;
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static int debug = 0;
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diff --git a/opcodes/mips-formats.h b/opcodes/mips-formats.h
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index 90df7100803..c4dec6352bf 100644
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--- a/opcodes/mips-formats.h
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+++ b/opcodes/mips-formats.h
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@@ -49,7 +49,7 @@
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#define MAPPED_INT(SIZE, LSB, MAP, PRINT_HEX) \
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{ \
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typedef char ATTRIBUTE_UNUSED \
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- static_assert[(1 << (SIZE)) == ARRAY_SIZE (MAP)]; \
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+ static_assert_3[(1 << (SIZE)) == ARRAY_SIZE (MAP)]; \
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static const struct mips_mapped_int_operand op = { \
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{ OP_MAPPED_INT, SIZE, LSB }, MAP, PRINT_HEX \
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}; \
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@@ -83,7 +83,7 @@
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#define MAPPED_REG(SIZE, LSB, BANK, MAP) \
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{ \
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typedef char ATTRIBUTE_UNUSED \
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- static_assert[(1 << (SIZE)) == ARRAY_SIZE (MAP)]; \
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+ static_assert_4[(1 << (SIZE)) == ARRAY_SIZE (MAP)]; \
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static const struct mips_reg_operand op = { \
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{ OP_REG, SIZE, LSB }, OP_REG_##BANK, MAP \
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}; \
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@@ -93,7 +93,7 @@
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#define OPTIONAL_MAPPED_REG(SIZE, LSB, BANK, MAP) \
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{ \
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typedef char ATTRIBUTE_UNUSED \
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- static_assert[(1 << (SIZE)) == ARRAY_SIZE (MAP)]; \
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+ static_assert_5[(1 << (SIZE)) == ARRAY_SIZE (MAP)]; \
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static const struct mips_reg_operand op = { \
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{ OP_OPTIONAL_REG, SIZE, LSB }, OP_REG_##BANK, MAP \
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}; \
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diff --git a/opcodes/s390-opc.c b/opcodes/s390-opc.c
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index 9d9f0973e55..49efd714157 100644
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--- a/opcodes/s390-opc.c
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+++ b/opcodes/s390-opc.c
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@@ -36,7 +36,9 @@
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/* Build-time checks are preferrable over runtime ones. Use this construct
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in preference where possible. */
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+#ifndef static_assert
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#define static_assert(e) ((void)sizeof (struct { int _:1 - 2 * !(e); }))
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+#endif
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#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
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--
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2.34.1
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