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Age	Commit message (Collapse)	Author	Files	Lines
2018-05-04	Fix "obvious" fall-through warnings	Tom Tromey	1	-0/+1
	This patch fixes the subset of -Wimplicit-fallthrough warnings that I considered obvious. In most cases it was obvious from context that falling through was desired; here I added the appropriate comment. In a couple of cases it seemed clear that a "break" was missing. ChangeLog 2018-05-04 Tom Tromey <tom@tromey.com> * riscv-tdep.c (riscv_isa_xlen): Add fall-through comment. * utils.c (can_dump_core) <LIMIT_CUR>: Add fall-through comment. * eval.c (fetch_subexp_value) <MEMORY_ERROR>: Add fall-through comment. * d-valprint.c (d_val_print) <TYPE_CODE_STRUCT>: Add fall-through comment. * coffread.c (coff_symtab_read) <C_LABEL>: Add fall-through comment.
2018-03-19	Convert observers to C++	Tom Tromey	1	-3/+3
	This converts observers from using a special source-generating script to be plain C++. This version of the patch takes advantage of C++11 by using std::function and variadic templates; incorporates Pedro's patches; and renames the header file to "observable.h" (this change eliminates the need for a clean rebuild). Note that Pedro's patches used a template lambda in tui-hooks.c, but this failed to compile on some buildbot instances (presumably due to differing C++ versions); I replaced this with an ordinary template function. Regression tested on the buildbot. gdb/ChangeLog 2018-03-19 Pedro Alves <palves@redhat.com> Tom Tromey <tom@tromey.com> * unittests/observable-selftests.c: New file. * common/observable.h: New file. * observable.h: New file. * ada-lang.c, ada-tasks.c, agent.c, aix-thread.c, annotate.c, arm-tdep.c, auto-load.c, auxv.c, break-catch-syscall.c, breakpoint.c, bsd-uthread.c, cli/cli-interp.c, cli/cli-setshow.c, corefile.c, dummy-frame.c, event-loop.c, event-top.c, exec.c, extension.c, frame.c, gdbarch.c, guile/scm-breakpoint.c, infcall.c, infcmd.c, inferior.c, inflow.c, infrun.c, jit.c, linux-tdep.c, linux-thread-db.c, m68klinux-tdep.c, mi/mi-cmd-break.c, mi/mi-interp.c, mi/mi-main.c, objfiles.c, ppc-linux-nat.c, ppc-linux-tdep.c, printcmd.c, procfs.c, python/py-breakpoint.c, python/py-finishbreakpoint.c, python/py-inferior.c, python/py-unwind.c, ravenscar-thread.c, record-btrace.c, record-full.c, record.c, regcache.c, remote.c, riscv-tdep.c, sol-thread.c, solib-aix.c, solib-spu.c, solib.c, spu-multiarch.c, spu-tdep.c, stack.c, symfile-mem.c, symfile.c, symtab.c, thread.c, top.c, tracepoint.c, tui/tui-hooks.c, tui/tui-interp.c, valops.c: Update all users. * tui/tui-hooks.c (tui_bp_created_observer) (tui_bp_deleted_observer, tui_bp_modified_observer) (tui_inferior_exit_observer, tui_before_prompt_observer) (tui_normal_stop_observer, tui_register_changed_observer): Remove. (tui_observers_token): New global. (attach_or_detach, tui_attach_detach_observers): New functions. (tui_install_hooks, tui_remove_hooks): Use tui_attach_detach_observers. * record-btrace.c (record_btrace_thread_observer): Remove. (record_btrace_thread_observer_token): New global. * observer.sh: Remove. * observer.c: Rename to observable.c. * observable.c (namespace gdb_observers): Define new objects. (observer_debug): Move into gdb_observers namespace. (struct observer, struct observer_list, xalloc_observer_list_node) (xfree_observer_list_node, generic_observer_attach) (generic_observer_detach, generic_observer_notify): Remove. (_initialize_observer): Update. Don't include observer.inc. * Makefile.in (generated_files): Remove observer.h, observer.inc. (clean mostlyclean): Likewise. (observer.h, observer.inc): Remove targets. (SUBDIR_UNITTESTS_SRCS): Add observable-selftests.c. (COMMON_SFILES): Use observable.c, not observer.c. * .gitignore: Remove observer.h. gdb/doc/ChangeLog 2018-03-19 Tom Tromey <tom@tromey.com> * observer.texi: Remove. gdb/testsuite/ChangeLog 2018-03-19 Tom Tromey <tom@tromey.com> * gdb.gdb/observer.exp: Remove.
2018-03-12	gdb/riscv: Fix some ARI issues	Andrew Burgess	1	-9/+8
	Fix some ARI issues in recently added riscv code, the ARI email is: https://sourceware.org/ml/gdb-patches/2018-03/msg00156.html gdb/ChangeLog: * riscv-tdep.c (riscv_sw_breakpoint_from_kind): Add localization to error message string. (riscv_register_name): Use xsnprintf instead of sprintf. (riscv_insn::fetch_instruction): Use gdb_assert instead of internal_error. (riscv_print_arg_location): Use gdb_assert_not_reached instead of error. (riscv_push_dummy_call): Likewise.
2018-03-06	gdb/riscv: Remove partial target description support	Andrew Burgess	1	-37/+0
	Some parts of the target description support were committed with the initial riscv patch. As target descriptions are not currently supported on riscv this commit removes the two pieces for code that relate to target description support. It is expected that target description support will be added in the future, at which point this, or similar code will be added back. gdb/ChangeLog: * riscv-tdep.c (riscv_register_name): Remove target description support. (riscv_gdbarch_init): Remove target description check.
2018-03-06	gdb/riscv: Remove 'Contributed by....' comments	Andrew Burgess	1	-5/+0
	The GDB coding standard states these lines should never have been added. gdb/ChangeLog: * riscv-tdep.c: Remove 'Contributed by ...' lines from header comment. * riscv-tdep.h: Likewise.
2018-03-06	gdb/riscv: Remove use of pseudo registers	Andrew Burgess	1	-25/+0
	The code making use of pseudo registers was initially intended to support running 32-bit ABI files on 64-bit riscv targets. However, the implementation was incomplete, and broken. For now I've removed all reference to pseudo registers from the riscv target, we've not lost any functionality, and this cleans up failures in the selftests. Once the riscv target has matured a little we'll probably end up bringing back some of the use of pseudo registers in order to better support running 32-bit executables on a 64-bit target. gdb/ChangeLog: * riscv-tdep.c (riscv_pseudo_register_read): Delete. (riscv_pseudo_register_write): Delete. (riscv_gdbarch_init): Remove all use of pseudo registers.
2018-03-06	gdb/riscv: Fix type when reading register from regcache	Andrew Burgess	1	-1/+1
	Should use a ULONGEST when reading from the regcache. gdb/ChangeLog: * riscv-tdep.c (riscv_return_value): Change type to ULONGEST for reading values from registers.
2018-03-06	gdb/riscv: Additional print format string fixes	Andrew Burgess	1	-2/+2
	Another riscv format string fix. gdb/ChangeLog: * riscv-tdep.c (riscv_push_dummy_call): Use core_addr_to_string_nz where appropriate.
2018-03-06	gdb/riscv: Fixes to printf format strings	Andrew Burgess	1	-31/+43
	Some of the format strings used in the new riscv target were incorrect, resulting in build failures on some hosts. This commit does the following: 1. Uses core_addr_to_string for formatting CORE_ADDR types. 2. Fixes legacy use of stderr for logging in one place that got missed, instead gdb_stdlog is used. 3. Re-indent a few printf related lines that were wrong. This should resolve some (but not all) of the build failures the new riscv target introduced. gdb/ChangeLog: * riscv-tdep.c (riscv_print_arg_location): Add header comment, change parameter type. Use GDB's print functions, and use core_addr_to_string where appropriate. (riscv_push_dummy_call): Use core_addr_to_string where appropriate, update call to riscv_print_arg_location, and reindent a few lines. (riscv_return_value): Update call to riscv_print_arg_location.
2018-03-06	gdb: Initial baremetal riscv support	Andrew Burgess	1	-0/+2749
	This commit introduces basic support for baremetal RiscV as a GDB target. This target is currently only tested against the RiscV software simulator, which is not included as part of this commit. The target has been tested against the following RiscV variants: rv32im, rv32imc, rv32imf, rv32imfc, rv64im, rv64imc, rv64imfd, rv64imfdc. Across these variants we pass on average 34858 tests, and fail 272 tests, which is ~0.8%. The RiscV has a feature of its ABI where structures with a single floating point field, a single complex float field, or one float and one integer field are treated differently for argument passing. The new test gdb.base/infcall-nested-structs.exp is added to cover this feature. As passing these structures should work on all targets then I've made the test as a generic one, even though, for most targets, there's probably nothing special about any of these cases. gdb/ChangeLog: * Makefile.in (ALL_TARGET_OBS): Add riscv-tdep.o (HFILES_NO_SRCDIR): Add riscv-tdep.h. (ALLDEPFILES): Add riscv-tdep.c * configure.tgt: Add riscv support. * riscv-tdep.c: New file. * riscv-tdep.h: New file. * NEWS: Mention new target. * MAINTAINERS: Add entry for riscv. gdb/testsuite/ChangeLog: * gdb.base/infcall-nested-structs.exp: New file. * gdb.base/infcall-nested-structs.c: New file. * gdb.base/float.exp: Add riscv support.