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Change gdbarch_wchar_bit for AArch64 and ARM

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The size of wchar_t on AArch64 and ARM is 4-byte, so we can use the
default value (4*TARGET_CHAR_BIT).

This patch fixes some fails in gdb.cp/wide_char_types.exp on
aarch64-linux.

gdb:

2017-04-25  Yao Qi  <yao.qi@linaro.org>

	* aarch64-tdep.c (aarch64_gdbarch_init): Don't call
	set_gdbarch_wchar_bit.
	* arm-tdep.c (arm_gdbarch_init): Likewise.
This commit is contained in:
Yao Qi 2017-04-25 15:15:54 +01:00
parent 0348fd79d4
commit d581dda881
3 changed files with 6 additions and 2 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2017-04-25 Yao Qi <yao.qi@linaro.org>
* aarch64-tdep.c (aarch64_gdbarch_init): Don't call
set_gdbarch_wchar_bit.
* arm-tdep.c (arm_gdbarch_init): Likewise.
2017-04-25 Pedro Alves <palves@redhat.com>
* common/poison.h [!HAVE_IS_TRIVIALLY_COPYABLE] (IsRelocatable)

1
gdb/aarch64-tdep.c
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@ -2977,7 +2977,6 @@ aarch64_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_long_long_bit (gdbarch, 64);
set_gdbarch_ptr_bit (gdbarch, 64);
set_gdbarch_char_signed (gdbarch, 0);
set_gdbarch_wchar_bit (gdbarch, 64);
set_gdbarch_wchar_signed (gdbarch, 0);
set_gdbarch_float_format (gdbarch, floatformats_ieee_single);
set_gdbarch_double_format (gdbarch, floatformats_ieee_double);

1
gdb/arm-tdep.c
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@ -9409,7 +9409,6 @@ arm_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_wchar_signed (gdbarch, 0);
else
set_gdbarch_wchar_signed (gdbarch, 1);
set_gdbarch_wchar_bit (gdbarch, 32);
/* Note: for displaced stepping, this includes the breakpoint, and one word
of additional scratch space. This setting isn't used for anything beside