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2022-05-18Use aarch64_features to describe register features in target descriptions.John Baldwin1-9/+9
Replace the sve bool member of aarch64_features with a vq member that holds the vector quotient. It is zero if SVE is not present. Add std::hash<> specialization and operator== so that aarch64_features can be used as a key with std::unordered_map<>. Change the various functions that create or lookup aarch64 target descriptions to accept a const aarch64_features object rather than a growing number of arguments. Replace the multi-dimension tdesc_aarch64_list arrays used to cache target descriptions with unordered_maps indexed by aarch64_feature.
2022-05-03gdbserver: Read the tpidr register from NT_ARM_TLS on Linux.John Baldwin1-5/+6
2022-05-03Add an aarch64-tls feature which includes the tpidr register.John Baldwin1-1/+1
2022-01-01Automatic Copyright Year update after running gdb/copyright.pyJoel Brobecker1-1/+1
This commit brings all the changes made by running gdb/copyright.py as per GDB's Start of New Year Procedure. For the avoidance of doubt, all changes in this commits were performed by the script.
2021-03-24AArch64: Add target description/feature for MTE registersLuis Machado1-5/+5
This patch adds a target description and feature "mte" for aarch64. It includes one new register, tag_ctl, that can be used to configure the tag generation rules and sync/async modes. It is 64-bit in size. The patch also adjusts the code that creates the target descriptions at runtime based on CPU feature checks. gdb/ChangeLog: 2021-03-24 Luis Machado <luis.machado@linaro.org> * aarch64-linux-nat.c (aarch64_linux_nat_target::read_description): Take MTE flag into account. Slight refactor to hwcap flag checking. * aarch64-linux-tdep.c (aarch64_linux_core_read_description): Likewise. * aarch64-tdep.c (tdesc_aarch64_list): Add one more dimension for MTE. (aarch64_read_description): Add mte_p parameter and update to use it. Update the documentation. (aarch64_gdbarch_init): Update call to aarch64_read_description. * aarch64-tdep.h (aarch64_read_description): Add mte_p parameter. * arch/aarch64.c: Include ../features/aarch64-mte.c. (aarch64_create_target_description): Add mte_p parameter and update the code to use it. * arch/aarch64.h (aarch64_create_target_description): Add mte_p parameter. * features/Makefile (FEATURE_XMLFILES): Add aarch64-mte.xml. * features/aarch64-mte.c: New file, generated. * features/aarch64-mte.xml: New file. gdbserver/ChangeLog: 2021-03-24 Luis Machado <luis.machado@linaro.org> * linux-aarch64-ipa.cc (get_ipa_tdesc): Update call to aarch64_linux_read_description. (initialize_low_tracepoint): Likewise. * linux-aarch64-low.cc (aarch64_target::low_arch_setup): Take MTE flag into account. * linux-aarch64-tdesc.cc (tdesc_aarch64_list): Add one more dimension for MTE. (aarch64_linux_read_description): Add mte_p parameter and update to use it. * linux-aarch64-tdesc.h (aarch64_linux_read_description): Add mte_p parameter.
2021-01-01Update copyright year range in all GDB filesJoel Brobecker1-1/+1
This commits the result of running gdb/copyright.py as per our Start of New Year procedure... gdb/ChangeLog Update copyright year range in copyright header of all GDB files.
2020-02-13gdbserver: rename source files to .ccSimon Marchi1-0/+60
For the same reasons outlined in the previous patch, this patch renames gdbserver source files to .cc. I have moved the "-x c++" switch to only those rules that require it. gdbserver/ChangeLog: * Makefile.in: Rename source files from .c to .cc. * %.c: Rename to %.cc. * configure.ac: Rename server.c to server.cc. * configure: Re-generate.