diff options
| author | Luis Machado <luis.machado@linaro.org> | 2020-08-18 16:21:04 -0300 |
|---|---|---|
| committer | Luis Machado <luis.machado@linaro.org> | 2021-03-24 14:57:04 -0300 |
| commit | ffcc2a15499644040a4c6a80828cf1795d9bc54b (patch) | |
| tree | 4cfe3480c57bf276bf8c3df16c0abb6eb6da6ffe | |
| parent | 41919a58ce12a0ed6230b2f3820c65ad980ca19e (diff) | |
| download | binutils-ffcc2a15499644040a4c6a80828cf1795d9bc54b.zip binutils-ffcc2a15499644040a4c6a80828cf1795d9bc54b.tar.gz binutils-ffcc2a15499644040a4c6a80828cf1795d9bc54b.tar.bz2 | |
AArch64: Add MTE register set support for core files
This patch handles the tagged_addr_ctrl register that is exported when
generating a core file.
gdb/ChangeLog:
2021-03-24 Luis Machado <luis.machado@linaro.org>
* aarch64-linux-tdep.c
(aarch64_linux_iterate_over_regset_sections): Handle MTE register set.
* aarch64-linux-tdep.h (AARCH64_LINUX_SIZEOF_MTE_REGSET): Define.
| -rw-r--r-- | gdb/ChangeLog | 6 | ||||
| -rw-r--r-- | gdb/aarch64-linux-tdep.c | 20 | ||||
| -rw-r--r-- | gdb/aarch64-linux-tdep.h | 3 |
3 files changed, 29 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 52e0dde..76e905e 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,6 +1,12 @@ 2021-03-24 Luis Machado <luis.machado@linaro.org> * aarch64-linux-tdep.c + (aarch64_linux_iterate_over_regset_sections): Handle MTE register set. + * aarch64-linux-tdep.h (AARCH64_LINUX_SIZEOF_MTE_REGSET): Define. + +2021-03-24 Luis Machado <luis.machado@linaro.org> + + * aarch64-linux-tdep.c (aarch64_linux_report_signal_info): New function. (aarch64_linux_init_abi): Register aarch64_linux_report_signal_info as the report_signal_info hook. diff --git a/gdb/aarch64-linux-tdep.c b/gdb/aarch64-linux-tdep.c index 15bbdb2..9602fc4 100644 --- a/gdb/aarch64-linux-tdep.c +++ b/gdb/aarch64-linux-tdep.c @@ -728,6 +728,26 @@ aarch64_linux_iterate_over_regset_sections (struct gdbarch *gdbarch, AARCH64_LINUX_SIZEOF_PAUTH, &aarch64_linux_pauth_regset, "pauth registers", cb_data); } + + /* Handle MTE registers. */ + if (tdep->has_mte ()) + { + /* 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}, + { 0 } + }; + + const struct regset aarch64_linux_mte_regset = + { + mte_regmap, regcache_supply_regset, regcache_collect_regset + }; + + cb (".reg-aarch-mte", AARCH64_LINUX_SIZEOF_MTE_REGSET, + AARCH64_LINUX_SIZEOF_MTE_REGSET, &aarch64_linux_mte_regset, + "MTE registers", cb_data); + } } /* Implement the "core_read_description" gdbarch method. */ diff --git a/gdb/aarch64-linux-tdep.h b/gdb/aarch64-linux-tdep.h index 84c2517..62a6da8 100644 --- a/gdb/aarch64-linux-tdep.h +++ b/gdb/aarch64-linux-tdep.h @@ -36,6 +36,9 @@ /* 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) + extern const struct regset aarch64_linux_gregset; extern const struct regset aarch64_linux_fpregset; |