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Fix tag_ctl register size in the core file.

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This register should be 64 bits in size, but the current code only saves
32 bits. This is due to an early assumption that tag_ctl would be 32 bits
in size.

gdb/ChangeLog:

2021-06-28  Luis Machado  <luis.machado@linaro.org>

	* aarch64-linux-tdep.c
	(aarch64_linux_iterate_over_regset_sections): Update tag_ctl register
	size.
	* aarch64-linux-tdep.h (AARCH64_LINUX_SIZEOF_MTE_REGSET): Set to
	8 and update comments.
This commit is contained in:
Luis Machado
2021-06-23 14:27:14 -03:00
parent b447dd03c1
commit 0a3b55a669
3 changed files with 11 additions and 3 deletions
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8
gdb/ChangeLog
View File

@@ -1,3 +1,11 @@
2021-06-28 Luis Machado <luis.machado@linaro.org>
* aarch64-linux-tdep.c
(aarch64_linux_iterate_over_regset_sections): Update tag_ctl register
size.
* aarch64-linux-tdep.h (AARCH64_LINUX_SIZEOF_MTE_REGSET): Set to
8 and update comments.
2021-06-28 Simon Marchi <simon.marchi@polymtl.ca>
* gdbarch.sh (struct gdbarch_info): Initialize fields, add

2
gdb/aarch64-linux-tdep.c
View File

@@ -735,7 +735,7 @@ aarch64_linux_iterate_over_regset_sections (struct gdbarch *gdbarch,
/* Create this on the fly in order to handle the variable location. */
const struct regcache_map_entry mte_regmap[] =
{
{ 1, tdep->mte_reg_base, 4},
{ 1, tdep->mte_reg_base, 8},
{ 0 }
};

4
gdb/aarch64-linux-tdep.h
View File

@@ -36,8 +36,8 @@
/* The pauth regset consists of 2 X sized registers. */
#define AARCH64_LINUX_SIZEOF_PAUTH (2 * X_REGISTER_SIZE)
/* The MTE regset consists of a 32-bit register. */
#define AARCH64_LINUX_SIZEOF_MTE_REGSET (4)
/* The MTE regset consists of a 64-bit register. */
#define AARCH64_LINUX_SIZEOF_MTE_REGSET (8)
extern const struct regset aarch64_linux_gregset;
extern const struct regset aarch64_linux_fpregset;