mirror of
https://github.com/espressif/binutils-gdb.git
synced 2025-06-20 01:50:24 +08:00
0b3f9efc04
The RISC-V had a mechanism in place to cache the contents of the misa register per-inferior, the original intention behind this was to reduce the number of times the misa register had to be read (as the contents should be constant), but it was pointed out on the mailing list[1] that the register cache will mean the register is only accessed once each time GDB stops, and any additional caching is probably just unneeded extra complexity. As such, until it can be shown that there's a real need for additional caching, this commit removes all of the additional caching of the misa register, and just accesses the misa register like a normal register. [1] https://sourceware.org/ml/gdb-patches/2018-03/msg00136.html gdb/ChangeLog: * riscv-tdep.c (struct riscv_inferior_data): Delete. (riscv_read_misa_reg): Don't cache value read into inferior data. (riscv_new_inferior_data): Delete. (riscv_inferior_data_cleanup): Delete. (riscv_inferior_data): Delete. (riscv_invalidate_inferior_data): Delete. (_initialize_riscv_tdep): Remove initialisation of inferior data.
README for GNU development tools This directory contains various GNU compilers, assemblers, linkers, debuggers, etc., plus their support routines, definitions, and documentation. If you are receiving this as part of a GDB release, see the file gdb/README. If with a binutils release, see binutils/README; if with a libg++ release, see libg++/README, etc. That'll give you info about this package -- supported targets, how to use it, how to report bugs, etc. It is now possible to automatically configure and build a variety of tools with one command. To build all of the tools contained herein, run the ``configure'' script here, e.g.: ./configure make To install them (by default in /usr/local/bin, /usr/local/lib, etc), then do: make install (If the configure script can't determine your type of computer, give it the name as an argument, for instance ``./configure sun4''. You can use the script ``config.sub'' to test whether a name is recognized; if it is, config.sub translates it to a triplet specifying CPU, vendor, and OS.) If you have more than one compiler on your system, it is often best to explicitly set CC in the environment before running configure, and to also set CC when running make. For example (assuming sh/bash/ksh): CC=gcc ./configure make A similar example using csh: setenv CC gcc ./configure make Much of the code and documentation enclosed is copyright by the Free Software Foundation, Inc. See the file COPYING or COPYING.LIB in the various directories, for a description of the GNU General Public License terms under which you can copy the files. REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info on where and how to report problems.