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tui_data_item_window::item_no is misnamed -- it only can be used for a
register, but it references a "display" number as well. (Based on
other comments I've seen in the past -- most since deleted -- I think
there were plans at one point to display variables in this window as
well. However, this was never implemented.)
This patch renames this member to be more correct.
gdb/ChangeLog
2020-07-01 Tom Tromey <tom@tromey.com>
* tui/tui-regs.c (tui_data_window::show_register_group)
(tui_data_window::check_register_values): Update.
* tui/tui-regs.h (struct tui_data_item_window) <regno>: Rename
from item_no.
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tui_data_window::show_register_group had a useless "if" -- the
condition could never be false. This patch removes it.
gdb/ChangeLog
2020-07-01 Tom Tromey <tom@tromey.com>
* tui/tui-regs.c (tui_data_window::show_register_group): Remove
useless "if".
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The "name" member of tui_data_window was set, but never used. This
removes it.
gdb/ChangeLog
2020-07-01 Tom Tromey <tom@tromey.com>
* tui/tui-regs.c (tui_data_window::show_register_group): Update.
* tui/tui-regs.h (struct tui_data_item_window) <name>: Remove.
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This moves some code out of tui-data.h, to more closely related
places. Some unused forward declarations are also removed.
gdb/ChangeLog
2020-07-01 Tom Tromey <tom@tromey.com>
* tui/tui-stack.c (SINGLE_KEY): Move from tui-data.h
* tui/tui-winsource.h (enum tui_line_or_address_kind)
(struct tui_line_or_address): Move from tui-data.h.
* tui/tui-win.c (DEFAULT_TAB_LEN): Move from tui-data.h.
* tui/tui-data.h (DEFAULT_TAB_LEN): Move to tui-win.c.
(tui_cmd_window, tui_source_window_base, tui_source_window)
(tui_disasm_window): Don't declare.
(enum tui_line_or_address_kind, struct tui_line_or_address): Move
to tui-winsource.h.
(SINGLE_KEY): Move to tui-stack.c.
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tui_expand_tabs only has a single caller. This patch removes this
function, in favor of a tab-expanding variant of string_file. This
simplifies the code somewhat.
gdb/ChangeLog
2020-07-01 Tom Tromey <tom@tromey.com>
* tui/tui-regs.h (struct tui_data_item_window) <content>: Now a
std::string.
* tui/tui-regs.c (class tab_expansion_file): New.
(tab_expansion_file::write): New method.
(tui_register_format): Change return type. Use
tab_expansion_file.
(tui_get_register, tui_data_window::display_registers_from)
(tui_data_item_window::rerender): Update.
* tui/tui-io.h (tui_expand_tabs): Don't declare.
* tui/tui-io.c (tui_expand_tabs): Remove.
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tui_reggroup_completer has an "XXXX" comment suggesting the use of
complete_on_enum. This patch implements this suggestion.
gdb/ChangeLog
2020-07-01 Tom Tromey <tom@tromey.com>
* tui/tui-regs.c (tui_reggroup_completer): Use complete_on_enum.
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LLD from 11 onwards (https://reviews.llvm.org/D81784) uses -1 to
represent a relocation in .debug_line referencing a discarded symbol.
Recognize -1 to fix gdb.base/break-on-linker-gcd-function.exp when the
linker is a newer LLD.
gdb/ChangeLog:
* dwarf2/read.c (lnp_state_machine::check_line_address): Test -1.
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PR 26188
* coffgen.c (coff_find_nearest_line_with_names): Sanity check
raw syment index before dereferencing.
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Currently, GDB rejects the (die) reference form while it accepts exprloc
form. It is allowed in DWARF standard. "Table 7.5: Attribute encodings"
in DWARF5 standard. Flang compiler assigns (die) reference to
DW_AT_associated and DW_AT_allocated for some cases.
gdb/ChangeLog
* dwarf2/read.c (set_die_type): Removed conditions to restrict
forms for DW_AT_associated and DW_AT_allocated attributes,
which is already checked in function attr_to_dynamic_prop.
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Fixes accidental breakage of vxworks by commit bbd19b19e4.
* elf32-i386.c (elf_backend_object_p): Undef for vxworks.
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The xc16x md_apply_fix code is just so broken that in my opinion the
target should never have been accepted, and from a quick look at
commit logs for the target it appears that no one has ever contributed
fixes for anything. This target has just been a 14 year burden on
global binutils and cgen maintainers. That's not how free software is
supposed to work.
bfd/
* config.bfd: Obsolete xc16x.
gas/
* config/tc-xc16x.c (md_apply_fix): Add FIXME.
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* testsuite/gas/all/eqv-dot.d: xfail targets that set linkrelax
in data sections, and mep.
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This updates readline/README to mention the current patchlevel, and
the "git am" approach to importing new upstream patches.
readline/ChangeLog
2020-06-30 Tom Tromey <tom@tromey.com>
* README: Update instructions.
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calling application
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Tom de Vries detected that some python tests were broken as
they were still using gdb_py_test_multiple that was replaced
by gdb_test_multiline. Repair these tests by using the new function.
gdb/testsuite/ChangeLog
2020-06-30 Philippe Waroquiers <philippe.waroquiers@skynet.be>
* gdb.python/py-breakpoint.exp: use gdb_test_multiline instead
of gdb_py_test_multiple.
* gdb.python/py-cmd.exp: Likewise.
* gdb.python/py-events.exp: Likewise.
* gdb.python/py-function.exp: Likewise.
* gdb.python/py-inferior.exp: Likewise.
* gdb.python/py-infthread.exp: Likewise.
* gdb.python/py-linetable.exp: Likewise.
* gdb.python/py-parameter.exp: Likewise.
* gdb.python/py-value.exp: Likewise.
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NaCl has been deprecated:
https://developer.chrome.com/native-client/migration
and NaCl will completely disappear in 2021:
https://lists.llvm.org/pipermail/llvm-dev/2020-April/141107.html
Remove x86 NaCl target support from bfd, binutils, gas and ld.
bfd/
* archures.c (bfd_mach_i386_nacl): Removed.
(bfd_mach_i386_i386_nacl): Likewise.
(bfd_mach_x86_64_nacl): Likewise.
(bfd_mach_x64_32_nacl): Likewise.
* config.bfd: Remove *-*-nacl* targets.
* configure.ac: Remove x86 NaCl target vectors.
* cpu-i386.c (bfd_arch_i386_onebyte_nop_fill): Removed.
(bfd_x64_32_nacl_arch): Likewise.
(bfd_x86_64_nacl_arch): Likewise.
(bfd_i386_nacl_arch): Likewise.
(bfd_x64_32_arch_intel_syntax): Updated.
* elf32-i386.c: Don't include "elf-nacl.h".
(elf_i386_nacl_plt): Removed.
(elf_i386_nacl_plt0_entry): Likewise.
(elf_i386_nacl_plt_entry): Likewise.
(elf_i386_nacl_pic_plt0_entry): Likewise.
(elf_i386_nacl_pic_plt_entry): Likewise.
(elf_i386_nacl_eh_frame_plt): Likewise.
(elf_i386_nacl_plt): Likewise.
(elf32_i386_nacl_elf_object_p): Likewise.
(elf_i386_get_synthetic_symtab): Updated.
(elf_i386_link_setup_gnu_properties): Likewise.
* elf64-x86-64.c: Don't include "elf-nacl.h".
(elf_x86_64_nacl_plt): Removed.
(elf64_x86_64_nacl_elf_object_p): Likewise.
(elf_x86_64_nacl_plt0_entry): Likewise.
(elf_x86_64_nacl_plt_entry): Likewise.
(elf_x86_64_nacl_eh_frame_plt): Likewise.
(elf_x86_64_nacl_plt): Likewise.
(elf32_x86_64_nacl_elf_object_p): Likewise.
(elf_x86_64_get_synthetic_symtab): Updated.
(elf_x86_64_link_setup_gnu_properties): Likewise.
* elfxx-x86.c (_bfd_x86_elf_link_setup_gnu_properties): Likewise.
* targets.c: Remove x86 NaCl target vectors.
* bfd-in2.h: Regenerated.
* configure: Likewise.
binutils/
* NEWS: Mention x86 NaCl target support removal.
* dwarf.c (init_dwarf_regnames_by_bfd_arch_and_mach): Remove
x86 NaCl target support.
* testsuite/binutils-all/elfedit-1.d: Likewise.
* testsuite/binutils-all/i386/i386.exp: Likewise.
* testsuite/binutils-all/x86-64/objects.exp: Likewise.
* testsuite/binutils-all/x86-64/pr23494a-x32.d: Likewise.
* testsuite/binutils-all/x86-64/pr23494a.d: Likewise.
* testsuite/binutils-all/x86-64/pr23494b-x32.d: Likewise.
* testsuite/binutils-all/x86-64/pr23494b.d: Likewise.
* testsuite/binutils-all/x86-64/pr23494c-x32.d: Likewise.
* testsuite/binutils-all/x86-64/pr23494c.d: Likewise.
* testsuite/binutils-all/x86-64/pr23494d-x32.d: Likewise.
* testsuite/binutils-all/x86-64/pr23494d.d: Likewise.
* testsuite/binutils-all/x86-64/pr23494e-x32.d: Likewise.
* testsuite/binutils-all/x86-64/pr23494e.d: Likewise.
* testsuite/binutils-all/x86-64/x86-64.exp: Likewise.
gas/
* NEWS: Mention x86 NaCl target support removal.
* config/tc-i386.c: Remove x86 NaCl target support.
* config/tc-i386.h: Likewise.
* configure.tgt: Likewise.
* testsuite/gas/i386/i386.exp: Likewise.
* testsuite/gas/i386/iamcu-1.d: Likewise.
* testsuite/gas/i386/iamcu-2.d: Likewise.
* testsuite/gas/i386/iamcu-3.d: Likewise.
* testsuite/gas/i386/iamcu-4.d: Likewise.
* testsuite/gas/i386/iamcu-5.d: Likewise.
* testsuite/gas/i386/k1om.d: Likewise.
* testsuite/gas/i386/l1om.d: Likewise.
ld/
* Makefile.am (ALL_EMULATION_SOURCES): Remove eelf_i386_nacl.c,
eelf32_x86_64_nacl.c, eelf_x86_64_nacl.c.
Remove x86 NaCl dep files.
* NEWS: Mention x86 NaCl target support removal.
* configure.tgt: Remove x86 NaCl target support.
* testsuite/ld-elf/binutils.exp: Likewise.
* testsuite/ld-elf/elf.exp: Likewise.
* testsuite/ld-elfvers/vers.exp: Likewise.
* testsuite/ld-i386/align-branch-1.d: Likewise.
* testsuite/ld-i386/export-class.exp: Likewise.
* testsuite/ld-i386/i386.exp: Likewise.
* testsuite/ld-i386/load1.d: Likewise.
* testsuite/ld-i386/pie1.d: Likewise.
* testsuite/ld-i386/pr12570a.d: Likewise.
* testsuite/ld-i386/pr12570b.d: Likewise.
* testsuite/ld-i386/pr19636-1d.d: Likewise.
* testsuite/ld-i386/pr19636-1l.d: Likewise.
* testsuite/ld-i386/pr19636-2c.d: Likewise.
* testsuite/ld-i386/pr19636-2d.d: Likewise.
* testsuite/ld-i386/pr19636-2e.d: Likewise.
* testsuite/ld-i386/pr20244-1a.d: Likewise.
* testsuite/ld-i386/pr20244-1b.d: Likewise.
* testsuite/ld-i386/pr20244-2a.d: Likewise.
* testsuite/ld-i386/pr20244-2b.d: Likewise.
* testsuite/ld-i386/pr20244-2c.d: Likewise.
* testsuite/ld-i386/pr20244-4a.d: Likewise.
* testsuite/ld-i386/pr20244-4b.d: Likewise.
* testsuite/ld-i386/pr21884.d: Likewise.
* testsuite/ld-ifunc/binutils.exp: Likewise.
* testsuite/ld-ifunc/ifunc-10-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-10-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-11-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-11-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-12-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-12-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-13-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-13-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-14a-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-14a-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-14b-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-14b-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-14c-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-14c-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-14d-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-14d-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-14e-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-14e-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-14f-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-14f-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-15-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-15-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-16-i386-now.d: Likewise.
* testsuite/ld-ifunc/ifunc-16-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-16-x86-64-now.d: Likewise.
* testsuite/ld-ifunc/ifunc-16-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-17a-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-17a-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-17b-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-17b-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-18a-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-18a-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-18b-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-18b-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-19a-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-19a-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-19b-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-19b-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-2-i386-now.d: Likewise.
* testsuite/ld-ifunc/ifunc-2-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-2-local-i386-now.d: Likewise.
* testsuite/ld-ifunc/ifunc-2-local-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-2-local-x86-64-now.d: Likewise.
* testsuite/ld-ifunc/ifunc-2-local-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-2-x86-64-now.d: Likewise.
* testsuite/ld-ifunc/ifunc-2-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-20-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-20-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-21-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-21-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-22-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-22-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-5a-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-5a-local-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-5a-local-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-5a-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-5b-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-5b-local-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-5b-local-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-5b-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-5r-local-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-5r-local-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-6a-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-6a-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-6b-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-6b-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-7a-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-7a-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-7b-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-7b-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-8-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-8-x86-64.d: Likewise.
* testsuite/ld-ifunc/ifunc-9-i386.d: Likewise.
* testsuite/ld-ifunc/ifunc-9-x86-64.d: Likewise.
* testsuite/ld-ifunc/pr17154-i386-now.d: Likewise.
* testsuite/ld-ifunc/pr17154-i386.d: Likewise.
* testsuite/ld-ifunc/pr17154-x86-64-now.d: Likewise.
* testsuite/ld-ifunc/pr17154-x86-64.d: Likewise.
* testsuite/ld-plugin/lto.exp: Likewise.
* testsuite/ld-x86-64/align-branch-1.d: Likewise.
* testsuite/ld-x86-64/dwarfreloc.exp: Likewise.
* testsuite/ld-x86-64/line.exp: Likewise.
* testsuite/ld-x86-64/load1a.d: Likewise.
* testsuite/ld-x86-64/load1b.d: Likewise.
* testsuite/ld-x86-64/load1c.d: Likewise.
* testsuite/ld-x86-64/load1d.d: Likewise.
* testsuite/ld-x86-64/pie3.d: Likewise.
* testsuite/ld-x86-64/pr18160.d: Likewise.
* testsuite/ld-x86-64/pr19013-x32.d: Likewise.
* testsuite/ld-x86-64/pr19013.d: Likewise.
* testsuite/ld-x86-64/pr19636-2d.d: Likewise.
* testsuite/ld-x86-64/pr19636-2l.d: Likewise.
* testsuite/ld-x86-64/pr20253-1b.d: Likewise.
* testsuite/ld-x86-64/pr20253-1d.d: Likewise.
* testsuite/ld-x86-64/pr20253-1f.d: Likewise.
* testsuite/ld-x86-64/pr20253-1h.d: Likewise.
* testsuite/ld-x86-64/pr20253-1j.d: Likewise.
* testsuite/ld-x86-64/pr20253-1l.d: Likewise.
* testsuite/ld-x86-64/pr21884.d: Likewise.
* testsuite/ld-x86-64/pr22393-3a.rd: Likewise.
* testsuite/ld-x86-64/pr22393-3b.rd: Likewise.
* testsuite/ld-x86-64/tlsgd10.dd: Likewise.
* testsuite/ld-x86-64/tlsgd5.dd: Likewise.
* testsuite/ld-x86-64/tlsgd8.dd: Likewise.
* testsuite/ld-x86-64/x86-64.exp: Likewise.
* emulparams/elf32_x86_64_nacl.sh: Removed.
* emulparams/elf_i386_nacl.sh: Likewise.
* emulparams/elf_x86_64_nacl.sh: Likewise.
* testsuite/ld-i386/emit-relocs-nacl.rd: Likewise.
* testsuite/ld-i386/load1-nacl.d: Likewise.
* testsuite/ld-i386/pie1-nacl.d: Likewise.
* testsuite/ld-i386/plt-nacl.pd: Likewise.
* testsuite/ld-i386/plt-pic-nacl.pd: Likewise.
* testsuite/ld-i386/pr17709-nacl.rd: Likewise.
* testsuite/ld-i386/pr19636-1d-nacl.d: Likewise.
* testsuite/ld-i386/pr19636-2c-nacl.d: Likewise.
* testsuite/ld-i386/pr19636-2d-nacl.d: Likewise.
* testsuite/ld-i386/pr19636-2e-nacl.d: Likewise.
* testsuite/ld-i386/pr19827-nacl.rd: Likewise.
* testsuite/ld-i386/pr21884-nacl.d: Likewise.
* testsuite/ld-i386/pr21884-nacl.t: Likewise.
* testsuite/ld-i386/tlsbin-nacl.rd: Likewise.
* testsuite/ld-i386/tlsbin2-nacl.rd: Likewise.
* testsuite/ld-i386/tlsbindesc-nacl.rd: Likewise.
* testsuite/ld-i386/tlsdesc-nacl.rd: Likewise.
* testsuite/ld-i386/tlsgdesc-nacl.rd: Likewise.
* testsuite/ld-i386/tlsnopic-nacl.rd: Likewise.
* testsuite/ld-i386/tlspic-nacl.rd: Likewise.
* testsuite/ld-i386/tlspic2-nacl.rd: Likewise.
* testsuite/ld-x86-64/ilp32-4-nacl.d: Likewise.
* testsuite/ld-x86-64/load1a-nacl.d: Likewise.
* testsuite/ld-x86-64/load1b-nacl.d: Likewise.
* testsuite/ld-x86-64/load1c-nacl.d: Likewise.
* testsuite/ld-x86-64/load1d-nacl.d: Likewise.
* testsuite/ld-x86-64/pie3-nacl.d: Likewise.
* testsuite/ld-x86-64/plt-nacl.pd: Likewise.
* testsuite/ld-x86-64/pr17709-nacl.rd: Likewise.
* testsuite/ld-x86-64/pr19013-nacl.d: Likewise.
* testsuite/ld-x86-64/pr19636-2d-nacl.d: Likewise.
* testsuite/ld-x86-64/pr19827-nacl.rd: Likewise.
* testsuite/ld-x86-64/pr21884-nacl.d: Likewise.
* testsuite/ld-x86-64/pr21884-nacl.t: Likewise.
* testsuite/ld-x86-64/split-by-file-nacl.rd: Likewise.
* testsuite/ld-x86-64/tlsbin-nacl.rd: Likewise.
* testsuite/ld-x86-64/tlsbin2-nacl.rd: Likewise.
* testsuite/ld-x86-64/tlsbindesc-nacl.rd: Likewise.
* testsuite/ld-x86-64/tlsdesc-nacl.pd: Likewise.
* testsuite/ld-x86-64/tlsdesc-nacl.rd: Likewise.
* testsuite/ld-x86-64/tlsgdesc-nacl.rd: Likewise.
* testsuite/ld-x86-64/tlspic-nacl.rd: Likewise.
* testsuite/ld-x86-64/tlspic2-nacl.rd: Likewise.
* Makefile.in: Regenerated.
* po/BLD-POTFILES.in: Likewise.
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Tom de Vries pointed out that some Rust tests were failing after the
variant part rewrite. He sent an executable, which helped track down
this bug.
quirk_rust_enum was passing 1 to alloc_rust_variant in one case.
However, a comment earlier says:
/* We don't need a range entry for the discriminant, but we do
need one for every other field, as there is no default
variant. */
In this case, we must pass -1 for this parameter. That is what this
patch implements.
gdb/ChangeLog
2020-06-30 Tom Tromey <tromey@adacore.com>
* dwarf2/read.c (quirk_rust_enum): Correctly call
alloc_rust_variant for default-less enum.
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gdb's copy of basic_string_view includes a to_string method. However,
according to cppreference, this is not a method on the real
std::basic_string_view:
https://en.cppreference.com/w/cpp/string/basic_string_view
This difference matters because gdb_string_view.h will use the
standard implementation when built with a C++17 or later. This caused
PR build/26183.
This patch fixes the problem by changing the method to be a standalone
helper function, and then rewriting the uses. Tested by rebuilding
with a version of GCC that defaults to C++17.
(Note that the build still is not clean; and also I noticed that the
libstdc++ string_view forbids the use of nullptr ... I wonder if gdb
violates that.)
gdb/ChangeLog
2020-06-30 Tom Tromey <tromey@adacore.com>
PR build/26183:
* ada-lang.c (ada_lookup_name_info::ada_lookup_name_info): Use
gdb::to_string.
gdbsupport/ChangeLog
2020-06-30 Tom Tromey <tromey@adacore.com>
PR build/26183:
* gdb_string_view.h (basic_string_view::to_string): Remove.
(gdb::to_string): New function.
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* dwarf.c (read_and_display_attr_value): Support
DW_FORM_GNU_strp_alt when used with DW_AT_dwo_name and
DW_AT_comp_dir.
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In gdb_default_target_compile, we use dejagnu's default_target_compile, unless
we need support for languages that are not yet support in the used dejagnu
version, in which case we use a local default_target_compile:
gdb_default_target_compile_1.
However, there's another reason to use the local default_target_compile: when
early_flags is used, because there's no dejagnu release available yet
supporting this.
Fix this by detecting and handling early_flags in gdb_default_target_compile.
Tested on x86_64-linux.
gdb/testsuite/ChangeLog:
2020-06-30 Tom de Vries <tdevries@suse.de>
PR testsuite/26175
* lib/future.exp (gdb_default_target_compile): Detect and handle
early_flags.
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* testsuite/ld-elf/group1.d: Don't xfail all solaris targets, just
ix86 and x86_64.
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* testsuite/ld-elf/reloc-discard.d: Don't xfail nds32.
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The underlying fail was probably fixed with git commit fbaf61ad5.
* testsuite/binutils-all/readelf.exp (readelf_dump_test): Remove
xfail for nds32.
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microblaze-linux uses the standard ELF script, microblaze-elf its own
script lacking an input section pattern needed to make this test pass.
Add the missing pattern for .data, in line with most other sections
that do have .* patterns.
* scripttempl/elfmicroblaze.sc (.data): Add .data.* entry.
* testsuite/ld-elf/var1.d: Don't xfail microblaze.
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The unprivileged CSR should be controlled by other specific specs rather
than the privileged spec. For example, the debug CSR should be controlled
by the debug spec, and the float CSR should be controlled by the float
spec. User may use assembler options to choose what the debug and other
specs they want, or may encode the versions of specs into the architecture
string directly. Since we haven't decided which one is better, we set the
defined and aborted versions of unprivileged CSR to PRIV_SPEC_CLASS_NONE
in the include/opcode/riscv-opc.h, to tell assembler don't check priv spec
versions for them. However, these PRIV_SPEC_CLASS_NONE will be changed
to FLOAT_SPEC_CLASS_* and DEBUG_SPEC_CLASS_* in the future.
gas/
* config/tc-riscv.c (riscv_csr_class_check): Removed. Move the
checking into riscv_csr_address.
(riscv_csr_version_check): Likewise.
(riscv_csr_address): New function. Return the suitable CSR address
after checking the ISA dependency and versions. Issue warnings if
we find any conflict and -mcsr-check is set. CSR_CLASS_F and
CSR_CLASS_DEBUG are unprivileged CSR for now, so don't check the
priv spec versions for them.
(reg_csr_lookup_internal): Call riscv_csr_address to find the
suitable CSR address.
* testsuite/gas/riscv/priv-reg-fail-fext.d: Remove -mpriv-spec=1.11.
* testsuite/gas/riscv/priv-reg-fail-read-only-01.d: Likewise.
* testsuite/gas/riscv/priv-reg-fail-rv32-only.d: Likewise.
* testsuite/gas/riscv/priv-reg-fail-fext.l: We don't care the
priv spec warnings here. These warnings are added by accident.
Remove them and only focus on the ISA dependency warnings.
* testsuite/gas/riscv/priv-reg-fail-rv32-only.l: Likewise.
* testsuite/gas/riscv/priv-reg-fail-read-only-01.l: Likewise.
* testsuite/gas/riscv/priv-reg-fail-version-1p9.l: Updated since
dscratch0 and dscratch1 are regarded as the unprivileged CSR rather
than the privileged ones.
* testsuite/gas/riscv/priv-reg-fail-version-1p9p1.l: Likewise.
* testsuite/gas/riscv/priv-reg-fail-version-1p10.l: Likewise.
* testsuite/gas/riscv/priv-reg-fail-version-1p11.l: Likewise.
* testsuite/gas/riscv/priv-reg.s: Likewise. Add missing debug CSR.
* testsuite/gas/riscv/priv-reg-version-1p9.d: Likewise.
* testsuite/gas/riscv/priv-reg-version-1p9p1.d: Likewise.
* testsuite/gas/riscv/priv-reg-version-1p10.d: Likewise.
* testsuite/gas/riscv/priv-reg-version-1p11.d: Likewise.
* testsuite/gas/riscv/csr-dw-regnums.d: Likewise.
* testsuite/gas/riscv/csr-dw-regnums.s: Likewise.
include/
* opcode/riscv-opc.h: Support the unprivileged CSR. The versions
of the unprivileged CSR should be PRIV_SPEC_CLASS_NONE for now.
* opcode/riscv.h (enum riscv_csr_class): Add CSR_CLASS_DEBUG.
opcodes/
* riscv-dis.c (print_insn_args, case 'E'): Updated. Let the
unprivileged CSR can also be initialized.
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The include/opcode/riscv-opc.h file is no longer automatically generated,
so we remove the misleading comments and add new ones. Besides, the CAUSE_*
macros and DECLARE_CAUSE are unused for binutils and gdb. Therefore, remove
them, too.
include/
* opcode/riscv-opc.h: Cleanup and remove the unused macros.
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I spotted something that looks wrong in the doc of
gdbarch_displaced_step_copy_insn.
It says that if the function returns NULL, it means that it has emulated
the behavior of the instruction and written the result to REGS.
However, it says below that the function may return NULL to indicate
that the instruction can't be single-stepped out-of-line, in which case
the core steps the instruction in-line. The two are contradictory.
The right one is the latter, if the function returns NULL, the core
falls back to in-line stepping. I checked all the implementations of
this function and they all agree with this.
gdb/ChangeLog:
* gdbarch.sh (displaced_step_copy_insn): Update doc.
* gdbarch.h: Re-generate.
Change-Id: I98163cdd38970cde4c77680e249b10f5d2d5bf9b
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This patch makes a few adjustments to the simavr.exp to handle tests
that error out more gracefully. I put all the changes in the same patch
because right now it's in a very bad shape, so it's very painful to do
small incremental adjustements. I found that with these changes, it
becomes reasonably stable.
For example, the gdb.base/step-over-syscall.exp test is a bit buggy
(stuff for another patch...), in that it calls gdb_load (through
clean_restart) with a file that doesn't exist. The gdb_load
implementation in simavr.exp gets called with a file that doesn't exist,
and simavr (expectedly) fails to start.
When this happens, we currently leave the $simavr_spawn_id variable set.
However, because the simavr process has terminated, its spawn id is
closed. When the next test tries to close the previous connection to
simavr, it fails to, and this error is thrown:
ERROR: close: spawn id exp86 not open
while executing
"close -i $simavr_spawn_id"
(procedure "gdb_load" line 18)
invoked from within
In other words, any test ran after step-over-syscall.exp will have
simavr.exp's gdb_load fail on it.
This patch tries to make sure that simavr.exp's gdb_load only leaves
simavr_spawn_id set if everything went fine. If we couldn't start
simavr, don't see the expected output, or fail to connect to it, we
close the spawn id (if needed) and unset simavr_spawn_id.
As an additional precaution, I added a catch around the "close the
previous connection" code. Ideally, this shouldn't be necessary, but I
bet there are other similar scenarios where we might try to close an
already close spawn id. So I think displaying a warning is better than
messing up all following tests.
Also, the board never wait'ed for the simavr process, resulting in tons
of zombie simavr processes hanging around. This patch adds some calls
to "wait" whenever we close the connection (or realize it is already
closed), which seems to fix the problem.
Finally I switched a `gdb_expect` to bare `expect`, where we wait for
the "listening" message from simavr. I found it necessary because
gdb_expect (through remote_expect) adds a `-i <gdb spawn id> -timeout
10`. So if for some reason the GDB process has crashed in the mean
time, this expect will unexpectedly error out with a `spawn id <gdb
spawn id> not open`. Therefore, change `gdb_expect` to `expect` so that
we only deal with simavr's spawn id here.
Here are the results on TESTS="gdb.base/*.exp" before:
# of expected passes 4816
# of unexpected failures 4433
# of known failures 2
# of unresolved testcases 300
# of untested testcases 143
# of unsupported tests 7
# of paths in test names 2
# of duplicate test names 10
and after:
# of expected passes 21957
# of unexpected failures 1564
# of expected failures 8
# of unknown successes 1
# of known failures 31
# of unresolved testcases 532
# of untested testcases 153
# of unsupported tests 28
# of paths in test names 2
# of duplicate test names 32
I tested using simavr's current master (7c254e2081b5).
gdb/testsuite/ChangeLog:
* boards/simavr.exp (gdb_load): Catch errors when closing
previous connection. Close connection, wait for process and
unset simavr_spawn_id on failure.
Change-Id: I695fc765e1c22e1d1dc0b08e0f5141244986b868
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Intel AMX instructions with 8-bit immediate opcode extension without
operands:
tilerelease, 0, 0x49c0, None, 2, CpuAMX_TILE|Cpu64, Vex|VexOpcode=1|No_bSuf|No_wSuf|No_lSuf|No_sSuf|No_qSuf|No_ldSuf, { 0 }
Update build_vex_prefix to support VEX base opcode length > 1.
* tc-i386.c (build_vex_prefix): Support VEX base opcode length > 1.
(md_assemble): Don't process ImmExt without operands.
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Update tic6x linker tests to expect C6000_DSBT_BASE, C6000_DSBT_SIZE and
C6000_DSBT_INDEX dynamic tags immediately before NULL dynamic tag.
bfd/
* elf32-tic6x.c (elf32_tic6x_size_dynamic_sections): Call
_bfd_elf_add_dynamic_tags.
ld/
* testsuite/ld-tic6x/shlib-1.rd: Move C6000_DSBT_BASE,
C6000_DSBT_SIZE and C6000_DSBT_INDEX dynamic tags to the last.
* testsuite/ld-tic6x/shlib-1b.rd: Likewise.
* testsuite/ld-tic6x/shlib-1r.rd: Likewise.
* testsuite/ld-tic6x/shlib-1rb.rd: Likewise.
* testsuite/ld-tic6x/shlib-app-1.rd: Likewise.
* testsuite/ld-tic6x/shlib-app-1b.rd: Likewise.
* testsuite/ld-tic6x/shlib-app-1r.rd: Likewise.
* testsuite/ld-tic6x/shlib-app-1rb.rd: Likewise.
* testsuite/ld-tic6x/shlib-noindex.rd: Likewise.
* testsuite/ld-tic6x/static-app-1.rd: Likewise.
* testsuite/ld-tic6x/static-app-1b.rd: Likewise.
* testsuite/ld-tic6x/static-app-1r.rd: Likewise.
* testsuite/ld-tic6x/static-app-1rb.rd: Likewise.
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Since commit 26783bce15 "[gdb/testsuite] Don't abort testrun for invalid
command in test-case" we don't abort the testrun when encountering an invalid
command. However, since we don't report errors in the summary, there's a
chance that the error goes unnoticed.
Make the invalid command error more visible by marking the test-case
unresolved, such that we have f.i.:
...
PASS: gdb.python/py-breakpoint.exp: test_bkpt_internal: Test watchpoint write
UNRESOLVED: gdb.python/py-breakpoint.exp: test_bkpt_eval_funcs: \
testcase aborted due to invalid command name: gdb_py_test_multiple
ERROR: tcl error sourcing py-breakpoint.exp.
ERROR: invalid command name "gdb_py_test_multiple"
while executing
...
=== gdb Summary ===
nr of expected passes 56
nr of unresolved testcases 1
...
Tested on x86_64-linux.
gdb/testsuite/ChangeLog:
2020-06-29 Tom de Vries <tdevries@suse.de>
* lib/gdb.exp (unknown): Make test-case unresolved.
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The file gdbserver/ax.h contains:
...
#ifdef IN_PROCESS_AGENT
#define debug_threads debug_agent
#endif
...
but does not declare debug_agent.
Fix this by adding an include of gdbsupport/agent.h.
[ If this fix would have been in place before commit 8118159c69 "[gdbserver] Fix
Wlto-type-mismatch for debug_agent", we would have simply run into this build
breaker with a regular, non-lto build:
...
src/gdbserver/ax.cc:28:5: error: conflicting declaration 'int debug_agent'
int debug_agent = 0;
^~~~~~~~~~~
In file included from src/gdbserver/ax.h:25:0,
from src/gdbserver/ax.cc:20:
src/gdbsupport/agent.h:47:13: note: previous declaration as 'bool debug_agent'
extern bool debug_agent;
^~~~~~~~~~~
... ]
Tested on x86_64-linux.
gdbserver/ChangeLog:
2020-06-29 Tom de Vries <tdevries@suse.de>
* ax.h: Include gdbsupport/debug_agent.h.
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Before commit a8654e7d78 'Fixes PR 25475: ensure exec-file-mismatch "ask"
always asks in case of mismatch', there was a difference in behaviour in
test-case gdb.server/solib-list.exp.
If the executable did not contain debug info (as is usually the case), gdb
would detect a mismatch but not ask for confirmation:
...
(gdb) target remote localhost:2346^M
Remote debugging using localhost:2346^M
warning: Mismatch between current exec-file solib-list^M
and automatically determined exec-file /lib64/ld-2.26.so^M
exec-file-mismatch handling is currently "ask"^M
Reading symbols from /lib64/ld-2.26.so...^M
Reading symbols from /usr/lib/debug/lib64/ld-2.26.so.debug...^M
0x00007ffff7dd7ea0 in _start () at rtld.c:745^M
745 }^M
(gdb) PASS: gdb.server/solib-list.exp: non-stop 0: target remote
...
If the executable did contain debug info (as happens to be the case for
openSUSE), gdb would detect a mismatch and ask for confirmation:
...
(gdb) PASS: gdb.server/solib-list.exp: non-stop 0: file binfile
target remote localhost:2346^M
Remote debugging using localhost:2346^M
warning: Mismatch between current exec-file solib-list^M
and automatically determined exec-file /lib64/ld-2.26.so^M
exec-file-mismatch handling is currently "ask"^M
Load new symbol table from "/lib64/ld-2.26.so"? (y or n) y^M
Reading symbols from /lib64/ld-2.26.so...^M
Reading symbols from /usr/lib/debug/lib64/ld-2.26.so.debug...^M
0x00007ffff7dd7ea0 in _start () at rtld.c:745^M
745 }^M
(gdb) PASS: gdb.server/solib-list.exp: non-stop 0: target remote
...
After commit a8654e7d78, the confirmation is now also asked in case there's
no debug info.
Tighten the test-case by verifying that the confirmation question is asked, as
suggested in the log message of commit a8654e7d78:
...
we can remove the bypass introduced by Tom in 6b9374f1, in order to always
answer to the 'load' question.
...
gdb/testsuite/ChangeLog:
2020-06-29 Tom de Vries <tdevries@suse.de>
PR gdb/25475
* gdb.server/solib-list.exp: Verify that the symbol reload
confirmation question is asked.
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The bug manifested "only" for a 64-bit host:
pr25331.c: Assembler messages:
pr25331.c:430: Error: internal error: fixup not contained within frag
failed with: <pr25331.c: Assembler messages:
pr25331.c:430: Error: internal error: fixup not contained within frag>, no expected output
FAIL: gas/mmix/pr25331
gas:
PR gas/25331
* testsuite/gas/mmix/pr25331.d, testsuite/gas/mmix/pr25331.s: New test.
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Finally; sorry for the delay. There were a few false starts, where I
misinterpreted the error-messages and the comment that Alan added:
it's not the fix size that's too large (and the frag too small), it's
stating the wrong size of what will be "fixed up" - that of the actual
target value, not the size of the field that needs to be adjusted.
Comments added for clarity.
Test-suite committed separately.
gas:
PR gas/25331
* config/tc-mmix.c (md_assemble) <fixup for
BFD_RELOC_MMIX_BASE_PLUS_OFFSET>: This fixup affects 1 byte, not 8.
Also, set its fx_no_overflow.
(md_convert_frag) <case ENCODE_RELAX (STATE_PUSHJSTUB, STATE_ZERO)>:
Similarly this fixup affects 4 bytes, not 8 and needs its
fx_no_overflow set.
* config/tc-mmix.h (TC_FX_SIZE_SLACK): Don't define.
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In older gcc, shadowing a function name with a local variable name is
flagged as an error, certainly a bug but which is usually worked
around in binutils:
gcc -DHAVE_CONFIG_H -I. -I$SRC/binutils -I. -I$SRC/binutils -I../bfd -I$SRC/binutils/../bfd -I$SRC/binutils/../include -DLOCALEDIR="\"/usr/local/share/locale\"" -Dbin_dummy_emulation=bin_vanilla_emulation -W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow -Werror -I$SRC/binutils/../zlib -g -O2 -MT dwarf.o -MD -MP -MF $depbase.Tpo -c -o dwarf.o $SRC/binutils/dwarf.c &&\
mv -f $depbase.Tpo $depbase.Po
cc1: warnings being treated as errors
$SRC/binutils/dwarf.c: In function 'display_debug_str_offsets':
$SRC/binutils/dwarf.c:6913: error: declaration of 'index' shadows a global declaration
/usr/include/string.h:309: error: shadowed declaration is here
make[4]: *** [dwarf.o] Error 1
See also GCC PR c/53066. This is just another one that crept in since
I and others last had to use an old version. The name "idx" was used
in the preceding function, display_debug_addr. Also, it was declared
c99 style (after a statement in the block). Committed as obvious.
binutils:
* dwarf.c (display_debug_str_offsets): Rename local variable
index to idx. Move to top of function.
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Fixes some seriously careless code. bfd_bread return value is
(bfd_size_type)-1 on error. "if (bfd_bread (...) < 4)" does not check
for an error since bfd_size_type is unsigned. In any case, I think we
should be reading and checking the requested length.
* peXXigen.c (_bfd_XXi_slurp_codeview_record): Properly check
return value of bfd_bread. Don't read more than requested length.
Sanity check length. Properly terminate file name.
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binutils isn't c99 (yet). This replaces or removes some C++ style
comments.
bfd/
* arc-got.h: Use C style comments.
* coff-z80.c: Likewise.
* elf32-csky.c: Likewise.
* peXXigen.c: Likewise.
* elf32-m32c.c (m32c_elf_relax_delete_bytes): Remove commented out
code.
binutils/
* dwarf.c: Use C style comments.
* resrc.c: Likewise.
gas/
* config/tc-s12z.c: Use C style comments.
* config/tc-z80.c: Likewise.
* config/tc-xtensa.c (emit_ld_r_n): Remove commented out code.
include/
* coff/internal.h: Use C style comments.
* coff/pe.h: Likewise.
* elf/ppc64.h: Likewise.
opcodes/
* arm-dis.c: Use C style comments.
* cr16-opc.c: Likewise.
* ft32-dis.c: Likewise.
* moxie-opc.c: Likewise.
* tic54x-dis.c: Likewise.
* s12z-opc.c: Remove useless comment.
* xgate-dis.c: Likewise.
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On x86_64-nacl we currently see
FAIL: Absolute non-overflowing relocs
FAIL: ld-x86-64/protected2-k1om
FAIL: ld-x86-64/protected3-k1om
This limits the tests as per the l1om variants.
* testsuite/ld-x86-64/abs-k1om.d: Run only on x86_64-*-linux*.
* testsuite/ld-x86-64/protected2-k1om.d: Likewise.
* testsuite/ld-x86-64/protected3-k1om.d: Likewise.
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The cmd_type function only has a single caller, which is in the CLI
implementation code. This patch removes the function, and moves the
cmd_types enum definition from command.h to cli-decode.h, fixing an 18
year old FIXME.
gdb/ChangeLog
2020-06-28 Tom Tromey <tom@tromey.com>
* command.h (cmd_types): Remove.
(cmd_type): Don't declare.
* cli/cli-decode.h (enum cmd_types): Uncomment. No longer a
typedef.
* cli/cli-cmds.c (setting_cmd): Use cmd->type directly.
* cli/cli-decode.c (cmd_type): Remove.
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Fixes this clang error:
CXX tdesc.o
/home/smarchi/src/binutils-gdb/gdbsupport/tdesc.cc:444:25: error: format string is not a string literal [-Werror,-Wformat-nonliteral]
string_vappendf (tmp, fmt, ap);
^~~
There is already a but about GCC not emitting this warning:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82206
gdbsupport/ChangeLog:
* tdesc.h (class print_xml_feature) <add_line>: Add
ATTRIBUTE_PRINTF.
Change-Id: I7014075e83717f6d7e19d044a3675ff9981ebe17
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This converts the get_inferior_io_terminal and
set_inferior_io_terminal free functions to inferior methods.
Since the related commands are called "tty", "{set,show}
inferior-tty", and MI's "-inferior-tty-{set,show}", to make the
connection between the commands and the code more obvious, the methods
are named set_tty/tty instead of set_io_terminal/io_terminal.
gdb/ChangeLog:
* fork-child.c (prefork_hook): Adjust.
* infcmd.c (set_inferior_io_terminal, get_inferior_io_terminal):
Delete.
(set_inferior_tty_command, show_inferior_tty_command): Adjust.
* inferior.c (inferior::set_tty, inferior::tty): New methods.
* inferior.h (set_inferior_io_terminal, get_inferior_io_terminal):
Remove declarations.
(struct inferior) <set_tty, tty>: New methods.
(struct inferior) <terminal>: Rename to ...
(struct inferior) <m_terminal>: ... this and make private.
* main.c (captured_main_1): Adjust.
* mi/mi-cmd-env.c (mi_cmd_inferior_tty_set): Adjust.
(mi_cmd_inferior_tty_show): Adjust.
* nto-procfs.c (nto_procfs_target::create_inferior): Adjust.
* windows-nat.c (windows_nat_target::create_inferior): Adjust.
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