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Read the tpidr register from NT_ARM_TLS core dump notes on Linux Aarch64.

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This commit is contained in:
John Baldwin
2022-05-03 16:05:10 -07:00
parent b7fe5463cf
commit 224151d774
2 changed files with 23 additions and 1 deletions
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21
gdb/aarch64-linux-tdep.c
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@ -749,6 +749,24 @@ aarch64_linux_iterate_over_regset_sections (struct gdbarch *gdbarch,
AARCH64_LINUX_SIZEOF_MTE_REGSET, &aarch64_linux_mte_regset,
"MTE registers", cb_data);
}
if (tdep->has_tls ())
{
const struct regcache_map_entry tls_regmap[] =
{
{ 1, tdep->tls_regnum, 8 },
{ 0 }
};
const struct regset aarch64_linux_tls_regset =
{
tls_regmap, regcache_supply_regset, regcache_collect_regset
};
cb (".reg-aarch-tls", AARCH64_LINUX_SIZEOF_TLSREGSET,
AARCH64_LINUX_SIZEOF_TLSREGSET, &aarch64_linux_tls_regset,
"TLS register", cb_data);
}
}
/* Implement the "core_read_description" gdbarch method. */
@ -757,13 +775,14 @@ static const struct target_desc *
aarch64_linux_core_read_description (struct gdbarch *gdbarch,
struct target_ops *target, bfd *abfd)
{
asection *tls = bfd_get_section_by_name (abfd, ".reg-aarch-tls");
CORE_ADDR hwcap = linux_get_hwcap (target);
CORE_ADDR hwcap2 = linux_get_hwcap2 (target);
bool pauth_p = hwcap & AARCH64_HWCAP_PACA;
bool mte_p = hwcap2 & HWCAP2_MTE;
return aarch64_read_description (aarch64_linux_core_read_vq (gdbarch, abfd),
pauth_p, mte_p, false);
pauth_p, mte_p, tls != nullptr);
}
/* Implementation of `gdbarch_stap_is_single_operand', as defined in