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This fixes these errors:
ld: error: undefined symbol: x86_stopped_by_hw_breakpoint()
>>> referenced by x86-nat.h:109 (../../gdb/x86-nat.h:109)
>>> amd64-obsd-nat.o:(x86_nat_target<obsd_nat_target>::stopped_by_hw_breakpoint())
ld: error: undefined symbol: x86_can_use_hw_breakpoint(bptype, int, int)
>>> referenced by x86-nat.h:76 (../../gdb/x86-nat.h:76)
>>> amd64-obsd-nat.o:(x86_nat_target<obsd_nat_target>::can_use_hw_breakpoint(bptype, int, int))
ld: error: undefined symbol: x86_insert_hw_breakpoint(gdbarch*, bp_target_info*)
>>> referenced by x86-nat.h:93 (../../gdb/x86-nat.h:93)
>>> amd64-obsd-nat.o:(x86_nat_target<obsd_nat_target>::insert_hw_breakpoint(gdbarch*, bp_target_info*))
ld: error: undefined symbol: x86_remove_hw_breakpoint(gdbarch*, bp_target_info*)
>>> referenced by x86-nat.h:97 (../../gdb/x86-nat.h:97)
>>> amd64-obsd-nat.o:(x86_nat_target<obsd_nat_target>::remove_hw_breakpoint(gdbarch*, bp_target_info*))
ld: error: undefined symbol: x86_remove_watchpoint(unsigned long, int, target_hw_bp_type, expression*)
>>> referenced by x86-nat.h:89 (../../gdb/x86-nat.h:89)
>>> amd64-obsd-nat.o:(x86_nat_target<obsd_nat_target>::remove_watchpoint(unsigned long, int, target_hw_bp_type, expression*))
ld: error: undefined symbol: x86_insert_watchpoint(unsigned long, int, target_hw_bp_type, expression*)
>>> referenced by x86-nat.h:84 (../../gdb/x86-nat.h:84)
>>> amd64-obsd-nat.o:(x86_nat_target<obsd_nat_target>::insert_watchpoint(unsigned long, int, target_hw_bp_type, expression*))
ld: error: undefined symbol: x86_stopped_by_watchpoint()
>>> referenced by x86-nat.h:100 (../../gdb/x86-nat.h:100)
>>> amd64-obsd-nat.o:(x86_nat_target<obsd_nat_target>::stopped_by_watchpoint())
ld: error: undefined symbol: x86_stopped_data_address(unsigned long*)
>>> referenced by x86-nat.h:103 (../../gdb/x86-nat.h:103)
>>> amd64-obsd-nat.o:(x86_nat_target<obsd_nat_target>::stopped_data_address(unsigned long*))
ld: error: undefined symbol: x86_region_ok_for_hw_watchpoint(unsigned long, int)
>>> referenced by x86-nat.h:79 (../../gdb/x86-nat.h:79)
>>> amd64-obsd-nat.o:(x86_nat_target<obsd_nat_target>::region_ok_for_hw_watchpoint(unsigned long, int))
and
ld: error: undefined symbol: x86_dr_insert_watchpoint(x86_debug_reg_state*, target_hw_bp_type, unsigned long, int)
>>> referenced by x86-nat.c:156 (../../gdb/x86-nat.c:156)
>>> x86-nat.o:(x86_insert_watchpoint(unsigned long, int, target_hw_bp_type, expression*))
ld: error: undefined symbol: x86_dr_remove_watchpoint(x86_debug_reg_state*, target_hw_bp_type, unsigned long, int)
>>> referenced by x86-nat.c:169 (../../gdb/x86-nat.c:169)
>>> x86-nat.o:(x86_remove_watchpoint(unsigned long, int, target_hw_bp_type, expression*))
ld: error: undefined symbol: x86_dr_region_ok_for_watchpoint(x86_debug_reg_state*, unsigned long, int)
>>> referenced by x86-nat.c:181 (../../gdb/x86-nat.c:181)
>>> x86-nat.o:(x86_region_ok_for_hw_watchpoint(unsigned long, int))
ld: error: undefined symbol: x86_dr_stopped_data_address(x86_debug_reg_state*, unsigned long*)
>>> referenced by x86-nat.c:194 (../../gdb/x86-nat.c:194)
>>> x86-nat.o:(x86_stopped_data_address(unsigned long*))
ld: error: undefined symbol: x86_dr_stopped_by_watchpoint(x86_debug_reg_state*)
>>> referenced by x86-nat.c:206 (../../gdb/x86-nat.c:206)
>>> x86-nat.o:(x86_stopped_by_watchpoint())
ld: error: undefined symbol: x86_dr_insert_watchpoint(x86_debug_reg_state*, target_hw_bp_type, unsigned long, int)
>>> referenced by x86-nat.c:219 (../../gdb/x86-nat.c:219)
>>> x86-nat.o:(x86_insert_hw_breakpoint(gdbarch*, bp_target_info*))
ld: error: undefined symbol: x86_dr_remove_watchpoint(x86_debug_reg_state*, target_hw_bp_type, unsigned long, int)
>>> referenced by x86-nat.c:233 (../../gdb/x86-nat.c:233)
>>> x86-nat.o:(x86_remove_hw_breakpoint(gdbarch*, bp_target_info*))
ld: error: undefined symbol: x86_dr_stopped_by_hw_breakpoint(x86_debug_reg_state*)
>>> referenced by x86-nat.c:269 (../../gdb/x86-nat.c:269)
>>> x86-nat.o:(x86_stopped_by_hw_breakpoint())
It does not fix:
ld: error: can't create dynamic relocation R_X86_64_64 against symbol: __gmp_binvert_limb_table in readonly segment; recompile object files with -fPIC or pass '-Wl,-z,notext' to allow text relocations in the output
>>> defined in /usr/local/lib/libgmp.a(mp_minv_tab.o)
>>> referenced by tmp-dive_1.s
>>> dive_1.o:(__gmpn_divexact_1) in archive /usr/local/lib/libgmp.a
ld: error: can't create dynamic relocation R_X86_64_64 against symbol: __gmp_binvert_limb_table in readonly segment; recompile object files with -fPIC or pass '-Wl,-z,notext' to allow text relocations in the output
>>> defined in /usr/local/lib/libgmp.a(mp_minv_tab.o)
>>> referenced by tmp-bdiv_q_1.s
>>> bdiv_q_1.o:(__gmpn_bdiv_q_1) in archive /usr/local/lib/libgmp.a
ld: error: can't create dynamic relocation R_X86_64_64 against symbol: __gmpn_invert_limb_table in readonly segment; recompile object files with -fPIC or pass '-Wl,-z,notext' to allow text relocations in the output
>>> defined in /usr/local/lib/libgmp.a(invert_limb_table.o)
>>> referenced by tmp-invert_limb.s
>>> invert_limb.o:(__gmpn_invert_limb) in archive /usr/local/lib/libgmp.a
gdb/ChangeLog:
2019-12-04 Christian Biesinger <cbiesinger@google.com>
* configure.nat (obsd64): Add missing files x86-nat.o and
nat/x86-dregs.o.
Change-Id: I4a443c0cf805efd7b45feaabd729a01b07772724
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This patch implements removal of Cell/B.E. support, including
- Support for the spu-*-* target
- Support for native stand-alone SPU debugging
- Support for integrated debugging of combined PPU/SPU applications
- Remote debugging (gdbserver) support for all the above.
The patch also removes the TARGET_OBJECT_SPU target object type,
as this is available only on Cell/B.E. targets, including
- Native Linux support
- Core file support (including core file generation)
- Remote target support, including removal of the qXfer:spu:read
and qXfer:spu:write remote protocal packets and associated
support in gdbserver.
gdb/ChangeLog
2019-09-20 Ulrich Weigand <uweigand@de.ibm.com>
* NEWS: Mention that Cell/B.E. debugging support was removed.
* MAINTAINERS: Remove spu target.
* config/djgpp/fnchange.lst: Remove entries for removed files.
* Makefile.in (ALL_TARGET_OBS): Remove solib-spu.o,
spu-multiarch.o, and spu-tdep.o.
(HFILES_NO_SRCDIR): Remove solib-spu.h and spu-tdep.h.
(ALLDEPFILES): Remove solib-spu.c, spu-linux-nat.c,
spu-multiarch.c, and spu-tdep.c.
* spu-linux-nat.c: Remove file.
* spu-multiarch.c: Remove file.
* spu-tdep.c: Remove file.
* spu-tdep.h: Remove file.
* solib-spu.c: Remove file.
* solib-spu.h: Remove file.
* configure.host (powerpc64*-*-linux*): Remove Cell/B.E. support.
* configure.nat (spu-linux): Remove.
* configure.tgt (powerpc*-*-linux*): Remove solib-spu.o and
solib-multiarch.o from gdb_target_obs.
(spu*-*-*): Remove.
* arch/ppc-linux-common.h (struct ppc_linux_features): Remove "cell"
feature flag.
(ppc_linux_no_features): Update.
* arch/ppc-linux-common.c (ppc_linux_match_description): Remove
Cell/B.E. support.
* arch/ppc-linux-tdesc.h (tdesc_powerpc_cell32l): Remove declaration.
(tdesc_powerpc_cell64l): Likewise.
* nat/ppc-linux.h (PPC_FEATURE_CELL): Remove.
* ppc-linux-nat.c (ppc_linux_nat_target::read_description): Remove
Cell/B.E. support.
* ppc-linux-tdep.h: Do not include "solib-spu.h" or "spu-tdep.h".
Do not include "features/rs6000/powerpc-cell32l.c" or
"features/rs6000/powerpc-cell64l.c".
(ppc_linux_spu_section): Remove.
(ppc_linux_core_read_description): Remove Cell/B.E. support.
(spe_context_objfile, spe_context_lm_addr, spe_context_offset,
spe_context_cache_ptid, spe_context_cache_ptid): Remove.
(ppc_linux_spe_context_lookup): Remove.
(ppc_linux_spe_context_inferior_created): Remove.
(ppc_linux_spe_context_solib_loaded): Remove.
(ppc_linux_spe_context_solib_unloaded): Remove.
(ppc_linux_spe_context): Remove.
(struct ppu2spu_cache): Remove.
(ppu2spu_prev_arch, ppu2spu_this_id, ppu2spu_prev_register): Remove.
(struct ppu2spu_data): Remove.
(ppu2spu_unwind_register, ppu2spu_sniffer, ppu2spu_dealloc_cache,
ppu2spu_unwind): Remove.
(ppc_linux_init_abi): Remove Cell/B.E. support.
* rs6000-tdep.h (rs6000_gdbarch_init): Remove Cell/B.E. support.
* features/Makefile (rs6000/powerpc-cell32l-expedite): Remove.
(rs6000/powerpc-cell64l-expedite): Likewise
(WHICH): Remove rs6000/powerpc-cell32l and rs6000/powerpc-cell64l.
(XMLTOC): Remove rs6000/powerpc-cell32l.xml and
rs6000/powerpc-cell64l.xml.
* features/rs6000/powerpc-cell32l.xml: Remove.
* features/rs6000/powerpc-cell64l.xml: Likewise.
* features/rs6000/powerpc-cell32l.c: Remove generated file.
* features/rs6000/powerpc-cell64l.c: Likewise.
* regformats/rs6000/powerpc-cell32l.dat: Remove generated file.
* regformats/rs6000/powerpc-cell64l.dat: Likewise.
* regformats/reg-spu.dat: Remove.
* target.h (enum target_object): Remove TARGET_OBJECT_SPU.
* corelow.c (struct spuid_list): Remove.
(add_to_spuid_list): Remove.
(core_target::xfer_partial): Remove support for TARGET_OBJECT_SPU.
* remote.c (PACKET_qXfer_spu_read, PACKET_qXfer_spu_write): Remove.
(remote_protocol_features): Remove associated entries.
(_initialize_remote): No longer initialize them.
(remote_target::xfer_partial): Remove support for TARGET_OBJECT_SPU.
* linux-nat.c (SPUFS_MAGIC): Remove.
(linux_proc_xfer_spu): Remove.
(spu_enumerate_spu_ids): Remove.
(linux_nat_target::xfer_partial): Remove support for TARGET_OBJECT_SPU.
* linux-tdep.c (-linux_spu_make_corefile_notes): Remove.
(linux_make_corefile_notes): No longer call it.
* regcache.c (cooked_read_test): Remove bfd_arch_spu special case.
(cooked_write_test): Likewise.
gdb/doc/ChangeLog
2019-09-20 Ulrich Weigand <uweigand@de.ibm.com>
* doc/gdb.texinfo (Remote Configuration): Remove documentation for
qXfer:spu:read and qXfer:spu:write.
(General Query Packets): Likewise.
(Cell Broadband Engine SPU architecture): Remove subsection.
gdb/gdbserver/ChangeLog
2019-09-20 Ulrich Weigand <uweigand@de.ibm.com>
* configure.srv (ipa_ppc_linux_regobj): Remove powerpc-cell32l-ipa.o
and powerpc-cell64l-ipa.o.
(powerpc*-*-linux*): Remove powerpc-cell32l.o and powerpc-cell64l.o
from srv_regobj. Remove rs6000/powerpc-cell32l.xml and
rs6000/powerpc-cell64l.xml from srv_xmlfiles.
(spu*-*-*): Remove.
* spu-low.c: Remove file.
* linux-ppc-low.c (INSTR_SC, NR_spu_run): Remove.
(parse_spufs_run): Remove.
(ppc_get_pc): Remove Cell/B.E. support.
(ppc_set_pc): Likewise.
(ppc_breakpoint_at): Likewise.
(ppc_arch_setup): Likewise.
(ppc_get_ipa_tdesc_idx): Do not handle tdesc_powerpc_cell64l or
tdesc_powerpc_cell32l.
(initialize_low_arch): Do not call init_registers_powerpc_cell64l
or init_registers_powerpc_cell32l.
* linux-ppc-ipa.c (get_ipa_tdesc): Do not handle PPC_TDESC_CELL.
(initialize_low_tracepoint): Do not call init_registers_powerpc_cell64l
or init_registers_powerpc_cell32l.
* linux-ppc-tdesc-init.h (PPC_TDESC_CELL): Mark as unused.
(init_registers_powerpc_cell32l): Remove prototype.
(init_registers_powerpc_cell64l): Likewise.
* target.h (struct target_ops): Remove qxfer_spu member.
* server.c (handle_qxfer_spu): Remove.
(qxfer_packets): Remove entry for "spu".
(handle_query): No longer support qXfer:spu:read or qXfer:spu:write.
* linux-low.c (SPUFS_MAGIC): Remove.
(spu_enumerate_spu_ids): Remove.
(linux_qxfer_spu): Remove.
(linux_target_ops): Remove qxfer_spu member.
* lynx-low.c (lynx_target_ops): Remove qxfer_spu member.
* nto-low.c (nto_target_ops): Remove qxfer_spu member.
* win32-low.c (win32_target_ops): Remove qxfer_spu member.
gdb/testsuite/ChangeLog
2019-09-20 Ulrich Weigand <uweigand@de.ibm.com>
* gdb.arch/spu-info.exp: Remove file.
* gdb.arch/spu-info.c: Remove file.
* gdb.arch/spu-ls.exp: Remove file.
* gdb.arch/spu-ls.c: Remove file.
* gdb.asm/asm-source.exp: Remove support for spu*-*-*.
* gdb.asm/spu.inc: Remove file.
* gdb.base/dump.exp: Remove support for spu*-*-*.
* gdb.base/stack-checking.exp: Likewise.
* gdb.base/overlays.exp: Likewise.
* gdb.base/ovlymgr.c: Likewise.
* gdb.base/spu.ld: Remove file.
* gdb.cp/bs15503.exp: Remove support for spu*-*-*.
* gdb.cp/cpexprs.exp: Likewise.
* gdb.cp/exception.exp: Likewise.
* gdb.cp/gdb2495.exp: Likewise.
* gdb.cp/mb-templates.exp: Likewise.
* gdb.cp/pr9167.exp: Likewise.
* gdb.cp/userdef.exp: Likewise.
* gdb.xml/tdesc-regs.exp: Remove support for spu*-*-*.
* gdb.cell: Remove directory.
* lib/cell.exp: Remove file.
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changes
..., that is commit 2090129c36c7e582943b7d300968d19b46160d84 causing:
[...]/gdb/gnu-nat.c: In function 'void gnu_ptrace_me()':
[...]/gdb/gnu-nat.c:2133:5: error: 'trace_start_error_with_name' was not declared in this scope
trace_start_error_with_name ("ptrace");
^~~~~~~~~~~~~~~~~~~~~~~~~~~
[...]/gdb/gnu-nat.c:2133:5: note: suggested alternative: 'throw_perror_with_name'
trace_start_error_with_name ("ptrace");
^~~~~~~~~~~~~~~~~~~~~~~~~~~
throw_perror_with_name
[...]/gdb/gnu-nat.c: In function 'void gnu_create_inferior(target_ops*, const char*, const string&, char**, int)':
[...]/gdb/gnu-nat.c:2147:9: error: 'fork_inferior' was not declared in this scope
pid = fork_inferior (exec_file, allargs, env, gnu_ptrace_me,
^~~~~~~~~~~~~
[...]/gdb/gnu-nat.c:2147:9: note: suggested alternative: 'exit_inferior'
pid = fork_inferior (exec_file, allargs, env, gnu_ptrace_me,
^~~~~~~~~~~~~
exit_inferior
[...]/gdb/gnu-nat.c:2174:30: error: 'START_INFERIOR_TRAPS_EXPECTED' was not declared in this scope
gdb_startup_inferior (pid, START_INFERIOR_TRAPS_EXPECTED);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/bin/ld: gnu-nat.o: in function `gnu_ptrace_me()':
[...]/gdb/gnu-nat.c:2134: undefined reference to `trace_start_error_with_name(char const*)'
/usr/bin/ld: gnu-nat.o: in function `gnu_create_inferior(target_ops*, char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, char**, int)':
[...]/gdb/gnu-nat.c:2148: undefined reference to `fork_inferior(char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, char**, void (*)(), void (*)(int), void (*)(), char const*, void (*)(char const*, char* const*, char* const*))'
/usr/bin/ld: fork-child.o: in function `gdb_startup_inferior(int, int)':
[...]/gdb/fork-child.c:136: undefined reference to `startup_inferior(int, int, target_waitstatus*, ptid_t*)'
collect2: error: ld returned 1 exit status
gdb/
* configure.nat [gdb_host == i386gnu] (NATDEPFILES): Add
'nat/fork-inferior.o'.
* gnu-nat.c: #include "nat/fork-inferior.h".
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This commit applies all changes made after running the gdb/copyright.py
script.
Note that one file was flagged by the script, due to an invalid
copyright header
(gdb/unittests/basic_string_view/element_access/char/empty.cc).
As the file was copied from GCC's libstdc++-v3 testsuite, this commit
leaves this file untouched for the time being; a patch to fix the header
was sent to gcc-patches first.
gdb/ChangeLog:
Update copyright year range in all GDB files.
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This moves the various "nat" object files into the nat/ subdirectory.
This allows for the removal of a pattern rule from the gdb Makefile,
which is a small cleanup.
I made the configure.nat change in a (semi-) automated way, hopefully
meaning that it is more likely to be correct than had I done it by
hand.
Eventually I would like for the various configure scripts to only
mention source files, and let the Makefile compute the object file
names.
gdb/ChangeLog
2018-12-27 Tom Tromey <tom@tromey.com>
* configure.nat (NATDEPFILES): Use nat/ prefix.
* Makefile.in (CONFIG_SRC_SUBDIR): Add nat.
(%.o: ${srcdir}/nat/%.c): Remove rule.
(INIT_FILES): Do not filter out NATDEPFILES.
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gdb/ChangeLog:
* config/i386/nm-fbsd.h: Remove file.
* Makefile.in (HFILES_NO_SRCDIR): Remove config/i386/nm-fbsd.h.
* configure.nat: Remove NAT_FILE for FreeBSD/i386.
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gdb/ChangeLog:
* Makefile.in (ALLDEPFILES): Add riscv-fbsd-nat.c.
* NEWS: Mention new FreeBSD/riscv native configuration.
* configure.host: Add riscv*-*-freebsd*.
* configure.nat: Likewise.
* riscv-fbsd-nat.c: New file.
gdb/doc/ChangeLog:
* gdb.texinfo (Contributors): Add SRI International and University
of Cambridge for FreeBSD/riscv.
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I've been carrying around the following patch for some time. I noticed
that both i386-sol2-nat.c and i386-v4-nat.c are Solaris-only now and it
seems confusing to carry both around.
So this patch merges i386-v4-nat.c into i386-sol2-nat.c, simplifying it
in a couple of places, like removing checks for macros that are always
defined.
Tested on 64-bit Solaris 11.5/x86 (amd64-pc-solaris2.11) and 32-bit
Solaris 11.3/x86 (i386-pc-solaris2.11) half a year ago.
* i386-v4-nat.c (regmap, supply_gregset, fill_gregset)
(supply_fpregset, fill_fpregset): Move ...
* i386-sol2-nat.c [PR_MODEL_NATIVE != PR_MODEL_LP64]: ... here.
Remove HAVE_GREGSET_T, HAVE_FPREGET_T guards.
Remove references to ioctl-based procfs.
Include <sys/reg.h>.
Remove PR_MODEL_NATIVE guards.
* configure.nat <sol2, i386> (NATDEPFILES): Remove i386-v4-nat.o.
* Makefile.in (ALLDEPFILES): Remove i386-v4-nat.c.
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This adds the target and native configure support, and the NEWS entries for
the new target and native configurations.
gdb/
* Makefile.in (ALL_TARGET_OBS): Add riscv-linux-tdep.c.
(ALLDEPFILES): Add riscv-linux-nat.c, and riscv-linux-tdep.c.
* NEWS: Mention new GNU/Linux RISC-V target.
* configure.host: Add riscv*-*-linux*.
* configure.nat: Add riscv*.
* configure.tgt: Add riscv*-*-linux*.
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Returns 0 for systems without SVE support.
Note the defines taken from Linux kernel headers
in aarch64-sve-linux-ptrace.h.
gdb/
* Makefile.in: Add new header.
* gdb/arch/aarch64.h (sve_vg_from_vl): New macro.
(sve_vl_from_vg): Likewise.
(sve_vq_from_vl): Likewise.
(sve_vl_from_vq): Likewise.
(sve_vq_from_vg): Likewise.
(sve_vg_from_vq): Likewise.
* configure.nat: Add new c file.
* nat/aarch64-sve-linux-ptrace.c: New file.
* nat/aarch64-sve-linux-ptrace.h: New file.
gdbserver/
* configure.srv: Add new c/h file.
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This patch moves the native target wordsize getter for ppc linux to
nat/ so that it can be used to simplify ppc_arch_setup in
gdbserver. The ptrace call used to get MSR for this is ultimately the
same as before, but it is no longer necessary to create a temporary
regcache to call fetch_inferior_registers.
gdb/ChangeLog:
2018-05-22 Pedro Franco de Carvalho <pedromfc@linux.vnet.ibm.com>
* configure.nat <linux powerpc>: Add ppc-linux.o to NATDEPFILES.
* ppc-linux-nat.c (ppc_linux_target_wordsize): Move to
nat/ppc-linux.c.
(ppc_linux_nat_target::auxv_parse): Get thread id tid. Call
ppc_linux_target_wordsize with tid.
(ppc_linux_nat_target::read_description): Call ppc_linux_target
wordsize with tid.
* nat/ppc-linux.c: Include nat/gdb_ptrace.h.
(ppc64_64bit_inferior_p): Add static and inline specifiers.
(ppc_linux_target_wordsize): Move here from ppc-linux-nat.c. Add
tid parameter. Remove static specifier.
* nat/ppc-linux.h (ppc64_64bit_inferior_p): Remove declaration.
(ppc_linux_target_wordsize): New declaration.
gdb/gdbserver/ChangeLog:
2018-05-22 Pedro Franco de Carvalho <pedromfc@linux.vnet.ibm.com>
* linux-ppc-low.c (ppc_arch_setup): Remove code for getting the
wordsize of the inferior. Call ppc_linux_target_wordsize.
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There are only two inf_ptrace_trad_target users, MIPS GNU/Linux and
Alpha GNU/Linux. They both call it via linux_trad_target.
Move this code out of inf-ptrace.c to a GNU/Linux-specific new file.
Making this code be GNU/Linux-specific simplifies C++ification of
target_ops, because we can make the trad target inherit linux_nat
instead of inheriting inf_ptrace. That'll be visible in a later patch.
Note this makes linux_target_install_ops an extern function, but that
is temporary -- the function will disappear once target_ops is made a
C++ class with virtual methods, later in the series. Also, I did not
rename the functions in the new file for a similar reason. They'll be
renamed again anyway in a couple of patches.
gdb/ChangeLog:
2018-05-02 Pedro Alves <palves@redhat.com>
* alpha-linux-nat.c: Include "linux-nat-trad.h" instead of
"linux-nat.h".
* configure.nat (alpha-linux, linux-mips): Add linux-nat-trad.o.
* inf-ptrace.c (inf_ptrace_register_u_offset)
(inf_ptrace_fetch_register, inf_ptrace_fetch_registers)
(inf_ptrace_store_register, inf_ptrace_store_registers)
(inf_ptrace_trad_target): Move to ...
* linux-nat-trad.c: ... this new file.
* linux-nat-trad.h: New file.
* linux-nat.c (linux_target_install_ops): Make extern.
(linux_trad_target): Delete.
* linux-nat.h (linux_trad_target): Delete declaration.
(linux_target_install_ops): Declare.
* mips-linux-nat.c: Include "linux-nat-trad.h" instead of
"linux-nat.h".
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Support for m88k was fully removed from bfd, which broke gdb
--enable-targets=all builds:
> gdb/m88k-tdep.c: In function void _initialize_m88k_tdep():
> gdb/m88k-tdep.c:867:21: error: bfd_arch_m88k was not declared in this scope
> gdbarch_register (bfd_arch_m88k, m88k_gdbarch_init, NULL);
There's no point in keeping GDB support for OpenBSD/m88k with no bfd
support, so this commit simply removes the port.
gdb/ChangeLog:
2018-04-16 Pedro Alves <palves@redhat.com>
* MAINTAINERS: Remove m88k.
* Makefile.in (ALL_TARGET_OBS): Remove m88k-tdep.o.
(HFILES_NO_SRCDIR): Remove m88k-tdep.h.
(ALLDEPFILES): Remove m88k-bsd-nat.c and m88k-tdep.c.
* NEWS: Mention that support for OpenBSD/m88k was removed.
* configure.host (m88*-*-*): Remove support.
* configure.nat (m88k-*-*): Remove support.
* configure.tgt (m88*-*-openbsd*): Remove.
* m88k-bsd-nat.c, m88k-tdep.c, m88k-tdep.h: Delete.
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gdb/ChangeLog:
Update copyright year range in all GDB files
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Add missing file to NATDEPFILES.
gdb/ChangeLog:
2017-11-24 Ulrich Weigand <uweigand@de.ibm.com>
* configure.nat <spu-linux>: Add fork-inferior.o to NATDEPFILES.
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gdb/ChangeLog:
* Makefile.in (ALLDEPFILES): Add arm-fbsd-nat.c.
* NEWS: Mention new FreeBSD/arm native configuration.
* configure.host: Add arm*-*-freebsd*.
* configure.nat: Likewise.
* arm-fbsd-nat.c: New file.
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Given that GCC has obsoleted/removed support for Solaris 9 in GCC 4.9/5 in 2013:
https://gcc.gnu.org/gcc-4.9/changes.html
https://gcc.gnu.org/ml/gcc-patches/2013-05/msg00728.html
and the last gdb version that can be compiled with gcc 4.9 is 7.12.1 only when
configured with --disable-build-with-cxx, it's time to obsolete/remove support
for Solaris < 10.
This patch does this, simplifying configure.nat along the way (only a single
sol2 configuration with variants for i386 and sparc).
Some configure checks for older Solaris versions can go, too, and the check
for libthread_db.so.1 removed:
* Since Solaris 10, dlopen has moved to libc and libdl.so is just a
filter on ld.so.1, so no need to check.
* $RDYNAMIC is already handled above (and is a no-op with Solaris ld
anyway).
Both proc-service.c and sol-thread.c lose support for (Solaris-only)
PROC_SERVICE_IS_OLD.
The attached revised patch has been tested on sparcv9-sun-solaris2.10,
sparcv9-sun-solaris2.11.4, amd64-pc-solaris2.10, amd64-pc-solaris2.11.4,
and x86_64-pc-linux-gnu.
I've also started an i386-pc-solaris2.9 build to check that it really
stops as expected.
PR gdb/22185
* configure.host <*-*-solaris2.[01], *-*-solaris2.[2-9]*>: Mark as
obsolete.
Use gdb_host sol2 for i[34567]86-*-solaris2*, x86_64-*-solaris2*.
Remove i386sol2 support.
* configure.nat <i386sol2>: Remove.
<sol2-64>: Fold into ...
<sol2>: ... this.
Move common settings to default section.
Add sol-thread.o.
* configure.tgt <i[34567]86-*-solaris2.1[0-9]*,
x86_64-*-solaris2.1[0-9]*>: Rename to ...
<i[34567]86-*-solaris2*, x86_64-*-solaris2*>: ... this.
<i[34567]86-*-solaris*>: Remove.
<sparc-*-solaris2.[0-6], sparc-*-solaris2.[0-6].*>: Remove.
* configure.ac: Remove wctype in libw check.
(_MSE_INT_H): Don't define on Solaris 7-9.
<solaris*>: Remove libthread_db.so.1 check.
* configure: Regenerate.
* config.in: Regenerate.
* proc-service.c: Remove PROC_SERVICE_IS_OLD handling.
(gdb_ps_prochandle_t, gdb_ps_read_buf_t, gdb_ps_write_buf_t)
(gdb_ps_size_t): Remove.
Use base types in users.
* sol-thread.c: Likewise, also for gdb_ps_addr_t.
* NEWS (Changes since GDB 8.0): Document Solaris 2.0-9 removal.
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I just tried to compile gdb trunk on Solaris 11.4 (formerly 12), and
failed for a couple of reasons:
*
In file included from /usr/include/python2.7/Python.h:128:0,
from /vol/src/gnu/gdb/gdb/dist/gdb/python/python-internal.h:94,
from /vol/src/gnu/gdb/gdb/dist/gdb/python/py-instruction.h:23,
from /vol/src/gnu/gdb/gdb/dist/gdb/python/py-instruction.c:21:
/usr/include/python2.7/ceval.h:67:0: error: ignoring #pragma no_inline [-Werror=unknown-pragmas]
#pragma no_inline(PyEval_EvalFrameEx)
^
New in Solaris 11.4: <python2.7/ceval.h> uses a Studio-only #pragma.
I've disabled the warning in warnings.m4.
*
/vol/src/gnu/gdb/gdb/dist/gdb/ser-pipe.c: In function ‘int pipe_open(serial*, const char*)’:
/vol/src/gnu/gdb/gdb/dist/gdb/ser-pipe.c:77:9: error: ‘pid_t vfork()’ is deprecated (declared at /usr/include/unistd.h:659) [-Werror=deprecated-declarations]
pid = vfork ();
^
/vol/src/gnu/gdb/gdb/dist/gdb/ser-pipe.c:77:16: error: ‘pid_t vfork()’ is deprecated (declared at /usr/include/unistd.h:659) [-Werror=deprecated-declarations]
pid = vfork ();
^
Since Solaris 11, vfork () is marked deprecated in <unistd.h>.
cf. vfork(2):
The vfork() and vforkx() functions are deprecated. Their sole legiti-
mate use as a prelude to an immediate call to a function from the exec
family can be achieved safely by posix_spawn(3C) or posix_spawnp(3C).
Again, I've disabled the warning.
*
/vol/src/gnu/gdb/gdb/dist/gdb/cli/cli-cmds.c: In function ‘void shell_escape(const char*, int)’:
/vol/src/gnu/gdb/gdb/dist/gdb/cli/cli-cmds.c:750:14: error: ‘pid_t vfork()’ is deprecated (declared at /usr/include/unistd.h:659) [-Werror=deprecated-declarations]
if ((pid = vfork ()) == 0)
^
/vol/src/gnu/gdb/gdb/dist/gdb/cli/cli-cmds.c:750:21: error: ‘pid_t vfork()’ is deprecated (declared at /usr/include/unistd.h:659) [-Werror=deprecated-declarations]
if ((pid = vfork ()) == 0)
^
Same problem.
*
/vol/src/gnu/gdb/gdb/dist/gdb/procfs.c: In function ‘void procfs_init_inferior(target_ops*, int)’:
/vol/src/gnu/gdb/gdb/dist/gdb/procfs.c:4380:30: error: ‘START_INFERIOR_TRAPS_EXPECTED’ was not declared in this scope
gdb_startup_inferior (pid, START_INFERIOR_TRAPS_EXPECTED);
^
defined in nat/fork-inferior.h, need to include that header
/vol/src/gnu/gdb/gdb/dist/gdb/procfs.c: In function ‘void procfs_create_inferior(target_ops*, const char*, const string&, char**, int)’:
/vol/src/gnu/gdb/gdb/dist/gdb/procfs.c:4605:38: error: ‘fork_inferior’ was not declared in this scope
NULL, NULL, shell_file, NULL);
^
likewise
/vol/src/gnu/gdb/gdb/dist/gdb/procfs.c: In function ‘void procfs_info_proc(target_ops*, const char*, info_proc_what)’:
/vol/src/gnu/gdb/gdb/dist/gdb/procfs.c:5124:20: error: ‘argv’ was not declared in this scope
for (char *arg : argv)
^
Typo, should be built_argv instead!
*
Undefined first referenced
symbol in file
fork_inferior(char const*, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, char**, void (*)(), void (*)(int), void (*)(), char const*, void (*)(char const*, char* const*, char* const*)) procfs.o
startup_inferior(int, int, target_waitstatus*, ptid_t*) fork-child.o
ld: fatal: symbol referencing errors
collect2: error: ld returned 1 exit status
make[2]: *** [Makefile:2249: gdb] Error 1
Need to add fork-inferior.o to NATDEPFILES.
With the changes below, I can build gdb on sparcv9-sun-solaris2.11 and
amd64-pc-solaris2.11 and a simple smoke test (gdb/gdb gdb/gdb) works.
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NetBSD ships with gcore(1) againg since the version 2.0.
This tool is functional and actively maintained.
gdb/ChangeLog
2017-09-06 Kamil Rytarowski <n54@gmx.com>
* configure.nat: Define HAVE_NATIVE_GCORE_HOST on NetBSD.
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gdb/ChangeLog:
* Makefile.in (ALLDEPFILES): Add mips-fbsd-nat.c.
* NEWS: Mention new FreeBSD/mips native configuration.
* configure.host: Add aarch64*-*-freebsd*.
* configure.nat: Likewise.
* aarch64-fbsd-nat.c: New file.
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NetBSD recently added PT_GETDBREGS and PT_SETDBREGS ptrace operations
that match the existing ones supported by x86-bsd-nat.c. NetBSD's
headers do not provide the DBREG_DRX helper macro, so define a local
version in x86-bsd-nat.c. In addition, add the x86-nat.o and x86-dregs.o
object files to the native NetBSD x86 build targets.
gdb/ChangeLog:
* configure.nat: Add "x86-nat.o x86-dregs.o" for NetBSD/amd64 and
NetBSD/i386.
* x86-bsd-nat.c [!DBREG_DRX && __NetBSD__]: Define DBREG_DRX.
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- Add the '-lkvm' library requirement for NetBSD/sparc64.
- Fix spelling of 'nbsdelf' host.
gdb/Changelog:
* configure.nat: Add "-lkvm" for NetBSD/sparc64 and fix typo.
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I happened to be build-testing on macOS and found this:
Undefined symbols for architecture x86_64:
"fork_inferior(char const*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char**, void (*)(), void (*)(int), void (*)(), char const*, void (*)(char const*, char* const*, char* const*))", referenced from:
darwin_create_inferior(target_ops*, char const*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, char**, int) in darwin-nat.o
"startup_inferior(int, int, target_waitstatus*, ptid_t*)", referenced from:
gdb_startup_inferior(int, int) in fork-child.o
"trace_start_error(char const*, ...)", referenced from:
darwin_ptrace_me() in darwin-nat.o
"trace_start_error_with_name(char const*)", referenced from:
darwin_ptrace_me() in darwin-nat.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Adding fork-inferior.o fixes it. I factored out the Darwin bits that
are no architecture-specific in the section meant for that at the top.
I only built-tested this using Travis-CI, since I don't have access to
this platform.
gdb/ChangeLog:
* configure.nat: Factor out Darwin bits that are not
architecture-specific. Add fork-inferior.o.
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Trying to build on AIX gives:
ld: 0711-317 ERROR: Undefined symbol: .trace_start_error_with_name(char const*)
ld: 0711-317 ERROR: Undefined symbol: .fork_inferior(char const*, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, char**, void (*)(), void (*)(int), void (*)(), char const*, void (*)(char const*, char* const*, char* const*))
ld: 0711-317 ERROR: Undefined symbol: .startup_inferior(int, int, target_waitstatus*, ptid_t*)
Including fork-inferior.o in the build should help. I also factored out
the AIX bits that are not architecture-specific to be consistent with the other
OSes.
gdb/ChangeLog:
* configure.nat: Factor out AIX bits that are not
architecture-specific. Add fork-inferior.o.
|
|
This is the most important (and the biggest, sorry) patch of the
series. It moves fork_inferior from gdb/fork-child.c to
nat/fork-inferior.c and makes all the necessary adjustments to both
GDB and gdbserver to make sure everything works OK.
There is no "most important change" with this patch; all changes are
made in a progressive way, making sure that gdbserver had the
necessary features while not breaking GDB at the same time.
I decided to go ahead and implement a partial support for starting the
inferior with a shell on gdbserver, although the full feature comes in
the next patch. The user won't have the option to disable the
startup-with-shell, and also won't be able to change which shell
gdbserver will use (other than setting the $SHELL environment
variable, that is).
Everything is working as expected, and no regressions were present
during the tests.
gdb/ChangeLog:
2017-06-07 Sergio Durigan Junior <sergiodj@redhat.com>
Pedro Alves <palves@redhat.com>
* Makefile.in (HFILES_NO_SRCDIR): Add "common/common-inferior.h"
and "nat/fork-inferior.h".
* common/common-inferior.h: New file, with contents from
"gdb/inferior.h".
* commom/common-utils.c: Include "common-utils.h".
(stringify_argv): New function.
* common/common-utils.h (stringify_argv): New prototype.
* configure.nat: Add "fork-inferior.o" as a dependency for
"*linux*", "fbsd*" and "nbsd*" hosts.
* corefile.c (get_exec_file): Update comment.
* darwin-nat.c (darwin_ptrace_him): Call "gdb_startup_inferior"
instead of "startup_inferior".
(darwin_create_inferior): Call "add_thread_silent" after
"fork_inferior".
* fork-child.c: Cleanup unnecessary includes.
(SHELL_FILE): Move to "common/common-fork-child.c".
(environ): Likewise.
(exec_wrapper): Initialize.
(get_exec_wrapper): New function.
(breakup_args): Move to "common/common-fork-child.c"; rename to
"breakup_args_for_exec".
(escape_bang_in_quoted_argument): Move to
"common/common-fork-child.c".
(saved_ui): New variable.
(prefork_hook): New function.
(postfork_hook): Likewise.
(postfork_child_hook): Likewise.
(gdb_startup_inferior): Likewise.
(fork_inferior): Move to "common/common-fork-child.c". Update
function to support gdbserver.
(startup_inferior): Likewise.
* gdbcore.h (get_exec_file): Remove declaration.
* gnu-nat.c (gnu_create_inferior): Call "gdb_startup_inferior"
instead of "startup_inferior". Call "add_thread_silent" after
"fork_inferior".
* inf-ptrace.c: Include "nat/fork-inferior.h" and "utils.h".
(inf_ptrace_create_inferior): Call "gdb_startup_inferior"
instead of "startup_inferior". Call "add_thread_silent" after
"fork_inferior".
* inferior.h: Include "common-inferior.h".
(trace_start_error): Move to "common/common-utils.h".
(trace_start_error_with_name): Likewise.
(fork_inferior): Move prototype to "nat/fork-inferior.h".
(startup_inferior): Likewise.
(gdb_startup_inferior): New prototype.
* nat/fork-inferior.c: New file, with contents from "fork-child.c".
* nat/fork-inferior.h: New file.
* procfs.c (procfs_init_inferior): Call "gdb_startup_inferior"
instead of "startup_inferior". Call "add_thread_silent" after
"fork_inferior".
* target.h (target_terminal_init): Move prototype to
"target/target.h".
(target_terminal_inferior): Likewise.
(target_terminal_ours): Likewise.
* target/target.h (target_terminal_init): New prototype, moved
from "target.h".
(target_terminal_inferior): Likewise.
(target_terminal_ours): Likewise.
* utils.c (gdb_flush_out_err): New function.
gdb/gdbserver/ChangeLog:
2017-06-07 Sergio Durigan Junior <sergiodj@redhat.com>
Pedro Alves <palves@redhat.com>
* Makefile.in (SFILES): Add "nat/fork-inferior.o".
* configure: Regenerate.
* configure.srv (srv_linux_obj): Add "fork-child.o" and
"fork-inferior.o".
(i[34567]86-*-lynxos*): Likewise.
(spu*-*-*): Likewise.
* fork-child.c: New file.
* linux-low.c: Include "common-inferior.h", "nat/fork-inferior.h"
and "environ.h".
(linux_ptrace_fun): New function.
(linux_create_inferior): Adjust function prototype to reflect
change on "target.h". Adjust function code to use
"fork_inferior".
(linux_request_interrupt): Delete "signal_pid".
* lynx-low.c: Include "common-inferior.h" and "nat/fork-inferior.h".
(lynx_ptrace_fun): New function.
(lynx_create_inferior): Adjust function prototype to reflect
change on "target.h". Adjust function code to use
"fork_inferior".
* nto-low.c (nto_create_inferior): Adjust function prototype and
code to reflect change on "target.h". Update comments.
* server.c: Include "common-inferior.h", "nat/fork-inferior.h",
"common-terminal.h" and "environ.h".
(terminal_fd): Moved to fork-child.c.
(old_foreground_pgrp): Likewise.
(restore_old_foreground_pgrp): Likewise.
(last_status): Make it global.
(last_ptid): Likewise.
(our_environ): New variable.
(startup_with_shell): Likewise.
(program_name): Likewise.
(program_argv): Rename to...
(program_args): ...this.
(wrapper_argv): New variable.
(start_inferior): Delete function.
(get_exec_wrapper): New function.
(get_exec_file): Likewise.
(get_environ): Likewise.
(prefork_hook): Likewise.
(post_fork_inferior): Likewise.
(postfork_hook): Likewise.
(postfork_child_hook): Likewise.
(handle_v_run): Update code to deal with arguments coming from the
remote host. Update calls from "start_inferior" to
"create_inferior".
(captured_main): Likewise. Initialize environment variable. Call
"have_job_control".
* server.h (post_fork_inferior): New prototype.
(get_environ): Likewise.
(last_status): Declare.
(last_ptid): Likewise.
(signal_pid): Likewise.
* spu-low.c: Include "common-inferior.h" and "nat/fork-inferior.h".
(spu_ptrace_fun): New function.
(spu_create_inferior): Adjust function prototype to reflect change
on "target.h". Adjust function code to use "fork_inferior".
* target.c (target_terminal_init): New function.
(target_terminal_inferior): Likewise.
(target_terminal_ours): Likewise.
* target.h: Include <vector>.
(struct target_ops) <create_inferior>: Update prototype.
(create_inferior): Update macro.
* utils.c (gdb_flush_out_err): New function.
* win32-low.c (win32_create_inferior): Adjust function prototype
and code to reflect change on "target.h".
gdb/testsuite/ChangeLog:
2017-06-07 Sergio Durigan Junior <sergiodj@redhat.com>
* gdb.server/non-existing-program.exp: Update regex in order to
reflect the fact that gdbserver is now using fork_inferior (with a
shell) to startup the inferior.
|
|
gdb/ChangeLog:
2017-05-17 Pedro Alves <palves@redhat.com>
* Makefile.in (nat_extra_makefile_frag): Rename to ...
(nat_makefile_frag): ... this. All references updated.
* configure.ac: Likewise.
* configure.nat: Likewise. Enhance comments.
* configure: Regenerate.
|
|
The previous commit introduced gdb/configure.nat, but it was just a
copy-and-past (with the necessary adjustments) from the files under
gdb/config/. We can do better than that.
Instead of using one big 'case' statement that matches the
${gdb_host_cpu} and then match each ${gdb_host}, it is possible to
remove a lof of redundancy by matching the most common ${gdb_host}'s
first, setting the common variables for each, and then proceed to
matching specific ${gdb_host}'s and ${gdb_host_cpu}'s. In other
words, reverse the order of the 'case's and take advantage of the fact
that a lot of parameters are the same for each host.
This commit was tested on x86_64 without regressions.
gdb/ChangeLog:
2017-05-06 Sergio Durigan Junior <sergiodj@redhat.com>
* configure.nat: Rearrange 'case' statements to match
host before cpu.
|
|
Due to my ongoing work to make it possible for gdbserver to start the
inferior using the shell, I had to share the fork_inferior function
under the "nat/" directory. In order to do that, I created a new file
and put the function there; however, this meant that I now had to
update some of the *.mh files (under "gdb/config") and add the new
file as a dependency to be built natively. Bleh...
After talking a bit to Pedro about this, the idea came up to write a
new "gdb/configure.nat" file, a la "gdb/configure.tgt", which would
concentrate all of the native settings for each host/system. I
decided to tackle this issue.
The patch is simple. All of the previous Makefile variables that were
being declared inside the *.mh files are now inside "gdb/Makefile.in",
and "gdb/configure" is responsible for AC_SUBST'ing them. The
definitions of these variables were put inside "gdb/configure.nat", so
now they're shell variables. For excerpts of Makefile code, one must
create a file under "gdb/config/${gdb_cpu_host}" and reference it on
the "nat_extra_makefile_frag" variable.
It should now be easier to update the native dependencies of hosts in
this single file.
This has been tested on x86_64 without regressions.
gdb/ChangeLog:
2017-05-06 Sergio Durigan Junior <sergiodj@redhat.com>
* Makefile.in: Remove "@host_makefile_frag@". Add variables
NAT_FILE, NATDEPFILES, NAT_CDEPS, LOADLIBES, MH_CFLAGS, XM_CLIBS,
NAT_GENERATED_FILES, HAVE_NATIVE_GCORE_HOST. Add
"@nat_extra_makefile_frag@".
(Makefile): Remove dependency on "@frags@".
($(GNULIB_BUILDDIR)/Makefile): Likewise.
(data-directory/Makefile): Likewise.
* config/aarch64/linux.mh: Deleted; moved contents to
"gdb/configure.nat".
* config/alpha/alpha-linux.mh: Likewise.
* config/alpha/nbsd.mh: Likewise.
* config/arm/linux.mh: Likewise.
* config/arm/nbsdelf.mh: Likewise.
* config/i386/cygwin.mh: Likewise.
* config/i386/cygwin64.mh: Likewise.
* config/i386/darwin.mh: Likewise.
* config/i386/fbsd.mh: Likewise.
* config/i386/fbsd64.mh: Likewise.
* config/i386/go32.mh: Likewise.
* config/i386/i386gnu.mh: Likewise.
* config/i386/i386sol2.mh: Likewise.
* config/i386/linux.mh: Likewise.
* config/i386/linux64.mh: Likewise.
* config/i386/mingw.mh: Likewise.
* config/i386/mingw64.mh: Likewise.
* config/i386/nbsd64.mh: Likewise.
* config/i386/nbsdelf.mh: Likewise.
* config/i386/nto.mh: Likewise.
* config/i386/obsd.mh: Likewise.
* config/i386/obsd64.mh: Likewise.
* config/i386/sol2-64.mh: Likewise.
* config/ia64/linux.mh: Likewise.
* config/m32r/linux.mh: Likewise.
* config/m68k/linux.mh: Likewise.
* config/m68k/nbsdelf.mh: Likewise.
* config/m68k/obsd.mh: Likewise.
* config/m88k/obsd.mh: Likewise.
* config/mips/fbsd.mh: Likewise.
* config/mips/linux.mh: Likewise.
* config/mips/nbsd.mh: Likewise.
* config/mips/obsd64.mh: Likewise.
* config/pa/linux.mh: Likewise.
* config/pa/nbsd.mh: Likewise.
* config/pa/obsd.mh: Likewise.
* config/powerpc/aix.mh: Likewise.
* config/powerpc/fbsd.mh: Likewise.
* config/powerpc/linux.mh: Likewise.
* config/powerpc/nbsd.mh: Likewise.
* config/powerpc/obsd.mh: Likewise.
* config/powerpc/ppc64-linux.mh: Likewise.
* config/powerpc/spu-linux.mh: Likewise.
* config/s390/linux.mh: Likewise.
* config/sh/nbsd.mh: Likewise.
* config/sparc/fbsd.mh: Likewise.
* config/sparc/linux.mh: Likewise.
* config/sparc/linux64.mh: Likewise.
* config/sparc/nbsd64.mh: Likewise.
* config/sparc/nbsdelf.mh: Likewise.
* config/sparc/obsd64.mh: Likewise.
* config/sparc/sol2.mh: Likewise.
* config/tilegx/linux.mh: Likewise.
* config/vax/nbsdelf.mh: Likewise.
* config/vax/obsd.mh: Likewise.
* config/xtensa/linux.mh: Likewise.
* config/i386/i386gnu.mn: New file, with excerpts from
"config/i386/i386gnu.mh".
* configure: Regenerate.
* configure.ac: Rewrite code to use "gdb/configure.nat" instead of
*.mh files under "gdb/config".
* configure.nat: New file, with contents from the
"gdb/config/*/*.mh" files.
gdb/doc/ChangeLog:
2017-05-06 Sergio Durigan Junior <sergiodj@redhat.com>
* Makefile: Remove "@host_makefile_frag@".
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