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2021-02-22Don't handle BFD_RELOC_16 in XCOFF reloc_type_lookupAlan Modra3-6/+5
It's not needed for sizing fixups since 0e2779e98dc, and wrong to emit this reloc to the object file. * coff-rs6000.c (_bfd_xcoff_reloc_type_lookup): Remove BFD_RELOC_16. * coff64-rs6000.c (xcoff64_reloc_type_lookup): Likewise.
2021-02-22Automatic date update in version.inGDB Administrator1-1/+1
2021-02-21Automatic date update in version.inGDB Administrator1-1/+1
2021-02-20Automatic date update in version.inGDB Administrator1-1/+1
2021-02-19RISC-V: PR27158, fixed UJ/SB types and added CSS/CL/CS types for .insn.Nelson Chu3-22/+30
* Renamed obsolete UJ/SB types and RVC types, also added CSS/CL(CS) types, [VALID/EXTRACT/ENCODE macros] BTYPE_IMM: Renamed from SBTYPE_IMM. JTYPE_IMM: Renamed from UJTYPE_IMM. CITYPE_IMM: Renamed from RVC_IMM. CITYPE_LUI_IMM: Renamed from RVC_LUI_IMM. CITYPE_ADDI16SP_IMM: Renamed from RVC_ADDI16SP_IMM. CITYPE_LWSP_IMM: Renamed from RVC_LWSP_IMM. CITYPE_LDSP_IMM: Renamed from RVC_LDSP_IMM. CIWTYPE_IMM: Renamed from RVC_UIMM8. CIWTYPE_ADDI4SPN_IMM: Renamed from RVC_ADDI4SPN_IMM. CSSTYPE_IMM: Added for .insn without special encoding. CSSTYPE_SWSP_IMM: Renamed from RVC_SWSP_IMM. CSSTYPE_SDSP_IMM: Renamed from RVC_SDSP_IMM. CLTYPE_IMM: Added for .insn without special encoding. CLTYPE_LW_IMM: Renamed from RVC_LW_IMM. CLTYPE_LD_IMM: Renamed from RVC_LD_IMM. RVC_SIMM3: Unused and removed. CBTYPE_IMM: Renamed from RVC_B_IMM. CJTYPE_IMM: Renamed from RVC_J_IMM. * Added new operands and removed the unused ones, C5: Unsigned CL(CS) immediate, added for .insn directive. C6: Unsigned CSS immediate, added for .insn directive. Ci: Unused and removed. C<: Unused and removed. bfd/ PR 27158 * elfnn-riscv.c (perform_relocation): Updated encoding macros. (_bfd_riscv_relax_call): Likewise. (_bfd_riscv_relax_lui): Likewise. * elfxx-riscv.c (howto_table): Likewise. gas/ PR 27158 * config/tc-riscv.c (riscv_ip): Updated encoding macros. (md_apply_fix): Likewise. (md_convert_frag_branch): Likewise. (validate_riscv_insn): Likewise. Also arranged operands, including added C5 and C6 operands, and removed unused Ci and C< operands. * doc/c-riscv.texi: Updated and added CSS/CL/CS types. * testsuite/gas/riscv/insn.d: Added CSS/CL/CS instructions. * testsuite/gas/riscv/insn.s: Likewise. gdb/ PR 27158 * riscv-tdep.c (decode_ci_type_insn): Updated encoding macros. (decode_j_type_insn): Likewise. (decode_cj_type_insn): Likewise. (decode_b_type_insn): Likewise. (decode): Likewise. include/ PR 27158 * opcode/riscv.h: Updated encoding macros. opcodes/ PR 27158 * riscv-dis.c (print_insn_args): Updated encoding macros. * riscv-opc.c (MASK_RVC_IMM): defined to ENCODE_CITYPE_IMM. (match_c_addi16sp): Updated encoding macros. (match_c_lui): Likewise. (match_c_lui_with_hint): Likewise. (match_c_addi4spn): Likewise. (match_c_slli): Likewise. (match_slli_as_c_slli): Likewise. (match_c_slli64): Likewise. (match_srxi_as_c_srxi): Likewise. (riscv_insn_types): Added .insn css/cl/cs. sim/ PR 27158 * riscv/sim-main.c (execute_i): Updated encoding macros.
2021-02-19Automatic date update in version.inGDB Administrator1-1/+1
2021-02-18RISC-V: Add bfd/cpu-riscv.h to support all spec versions controlling.Nelson Chu9-101/+156
Make the opcode/riscv-opc.c and include/opcode/riscv.h tidy, move the spec versions stuff to bfd/cpu-riscv.h. Also move the csr stuff and ext_version_table to gas/config/tc-riscv.c for internal use. To avoid too many repeated code, define general RISCV_GET_SPEC_NAME/SPEC_CLASS macros. Therefore, assembler/dis-assembler/linker/gdb can get all spec versions related stuff from cpu-riscv.h and cpu-riscv.c, since the stuff are defined there uniformly. bfd/ * Makefile.am: Added cpu-riscv.h. * Makefile.in: Regenerated. * po/SRC-POTFILES.in: Regenerated. * cpu-riscv.h: Added to support spec versions controlling. Also added extern arrays and functions for cpu-riscv.c. (enum riscv_spec_class): Define all spec classes here uniformly. (struct riscv_spec): Added for all specs. (RISCV_GET_SPEC_CLASS): Added to reduce repeated code. (RISCV_GET_SPEC_NAME): Likewise. (RISCV_GET_ISA_SPEC_CLASS): Added to get ISA spec class. (RISCV_GET_PRIV_SPEC_CLASS): Added to get privileged spec class. (RISCV_GET_PRIV_SPEC_NAME): Added to get privileged spec name. * cpu-riscv.c (struct priv_spec_t): Replaced with struct riscv_spec. (riscv_get_priv_spec_class): Replaced with RISCV_GET_PRIV_SPEC_CLASS. (riscv_get_priv_spec_name): Replaced with RISCV_GET_PRIV_SPEC_NAME. (riscv_priv_specs): Moved below. (riscv_get_priv_spec_class_from_numbers): Likewise, updated. (riscv_isa_specs): Moved from include/opcode/riscv.h. * elfnn-riscv.c: Included cpu-riscv.h. (riscv_merge_attributes): Initialize in_priv_spec and out_priv_spec. * elfxx-riscv.c: Included cpu-riscv.h and opcode/riscv.h. (RISCV_UNKNOWN_VERSION): Moved from include/opcode/riscv.h. * elfxx-riscv.h: Removed extern functions to cpu-riscv.h. gas/ * config/tc-riscv.c: Included cpu-riscv.h. (enum riscv_csr_clas): Moved from include/opcode/riscv.h. (struct riscv_csr_extra): Likewise. (struct riscv_ext_version): Likewise. (ext_version_table): Moved from opcodes/riscv-opc.c. (default_isa_spec): Updated type to riscv_spec_class. (default_priv_spec): Likewise. (riscv_set_default_isa_spec): Updated. (init_ext_version_hash): Likewise. (riscv_init_csr_hash): Likewise, also fixed indent. include/ * opcode/riscv.h: Moved stuff and make the file tidy. opcodes/ * riscv-dis.c: Included cpu-riscv.h, and removed elfxx-riscv.h. (default_priv_spec): Updated type to riscv_spec_class. (parse_riscv_dis_option): Updated. * riscv-opc.c: Moved stuff and make the file tidy.
2021-02-18Automatic date update in version.inGDB Administrator1-1/+1
2021-02-17read_leb128 overflow checkingAlan Modra2-7/+27
There is a tiny error left in dwarf.c:read_leb128 after Nick fixed the signed overflow problem in code I wrote. It's to do with sleb128 values that have unnecessary excess bytes. For example, -1 is represented as 0x7f, the most efficient encoding, but also as 0xff,0x7f or 0xff,0xff,0x7f and so on. None of these sequences overflow any size signed value, but read_leb128 will report an overflow given enough excess bytes. This patch fixes that problem, and since the proper test for signed values with excess bytes can easily be adapted to also test a sleb byte with just some bits that overflow the result, I changed the code to not use signed right shifts. (The C standard ISO/IEC 9899:1999 6.5.7 says signed right shifts of negative values have an implementation defined value. A long time ago I even used a C compiler for a certain microprocessor that always did unsigned right shifts. Mind you, it is very unlikely to be compiling binutils with such a compiler.) bfd/ * wasm-module.c: Guard include of limits.h. (CHAR_BIT): Provide backup define. (wasm_read_leb128): Use CHAR_BIT to size "result" in bits. Correct signed overflow checking. opcodes/ * wasm32-dis.c: Include limits.h. (CHAR_BIT): Provide backup define. (wasm_read_leb128): Use CHAR_BIT to size "result" in bits. Correct signed overflow checking. binutils/ * dwarf.c: Include limits.h. (CHAR_BIT): Provide backup define. (read_leb128): Use CHAR_BIT to size "result" in bits. Correct signed overflow checking. * testsuite/binutils-all/pr26548.s, * testsuite/binutils-all/pr26548.d, * testsuite/binutils-all/pr26548e.d: New tests. * testsuite/binutils-all/readelf.exp: Run them. (readelf_test): Drop unused "xfails" parameter. Update all uses.
2021-02-17RISC-V: PR27200, allow the first input non-ABI binary to be linked with any one.Nelson Chu2-14/+25
RISC-V only defines two float ABIs, soft-float and double-float, and the value of soft-float is 0x0. But 0x0 usually means unknown/default setting for many targets, and the non-ABI binary, which is generated by "ld/objcopy -b binary", also has the 0x0 elf header flags, this may be confused. We probably can define a new unknown/default ABI value to make them more clear, but that will need more bits in the elf header flags, and also need to discuss in the riscv psabi spec. Training linker have a default ABI setting, and can be changed by ld options or configure options is another solution, like what assemblr usually do. So all objects, including the binary files, will have explicit ABI setting. But the binary files will no longer be linked with any object, users need to recompile them with the exactly ABI they want. It may be inconvenience sometimes. Besides, I think linker doesn't need to know the default arch/abi so far, just set them according to the linked objects should be enough. Therefore, without changing the riscv psabi, and keep the non-ABI binary can be linked with any object, we don't check the ABI flags if no code section in the PR24389. Just that we find the first input non-ABI binary still cannot be linked with others in the PR27200. This patch fixs the problem by delaying the elf_flags_init(obfd) check, since the flags of non-ABI object with no code cannot be copyed to output BFD, we should skip it, even if it is the first linked object. However, there is a strange "break" at the end of loop in the PR24389. The "break" cause the ld testcase "Link with zlib-gabi compressed debug output 1" fails for rv64gc-linux toolchain, after applying the above change. The root cause is that - the "break" make linker only checks the "first" section of input BFD rather than the entire sections. I have checked that AARCH64 and ARM both have the "break" at the end of loop, but ARC doesn't. I suppose we should remove the "break" like what ARC do, or use a pair of braces for the if statement. I have passed the elf/linux toolchain regressions, so the change should be fine. bfd/ PR 27200 * elfnn-riscv.c (_bfd_riscv_elf_merge_private_bfd_data): Delay copying the elf flags from input BFD to output BFD, until we have checked if the input BFD has no code section or not. Also fix the problem that we only check the first section rather than the entire sections for input BFD.
2021-02-17Automatic date update in version.inGDB Administrator1-1/+1
2021-02-16ubsan: shift exponent is too largeAlan Modra2-8/+20
* libbfd.c (_bfd_read_unsigned_leb128): Avoid excessive shift. (_bfd_safe_read_leb128, _bfd_read_signed_leb128): Likewise.
2021-02-16Automatic date update in version.inGDB Administrator1-1/+1
2021-02-15bfd: use $(LN_S) in favor of "cp -p" when populating pre-built *.texiJan Beulich3-44/+49
"cp -p" has been observed to fail on Cygwin when the build tree is on a local drive but the sources are on a Samba share. We don't really need full copies of the files here - symlinks suffice.
2021-02-15nds32_elf_get_relocated_section_contentsAlan Modra2-1/+11
nds32_elf_get_relocated_section_contents uses nds32_get_section_contents to read sections contents, but nds32_get_section_contents has the wrong behaviour as it calls bfd_malloc_and_get_section. That function always mallocs its output buffer, whereas get_relocated_section_contents must support an already allocated buffer. bfd/ * elf32-nds32.c (nds32_get_section_contents): Replace bfd_malloc_and_get_section with bfd_get_full_section_contents. (nds32_elf_relax_delete_blanks): Init contents. (nds32_elf_relax_section, nds32_relax_fp_as_gp): Likewise. binutils/ * testsuite/binutils-all/compress.exp: Remove nds32 xfails. * testsuite/binutils-all/objdump.exp: Likewise.
2021-02-15alpha_ecoff_get_relocated_section_contentsAlan Modra2-10/+21
Use bfd_get_full_section_contents and tidy the start of this function to match current generic get_relocated_section_contents. * coff-alpha.c (alpha_ecoff_get_relocated_section_contents): Use bfd_get_full_section_contents.
2021-02-15Automatic date update in version.inGDB Administrator1-1/+1
2021-02-14Modernise _bfd_elf_mips_get_relocated_section_contentsAlan Modra2-21/+99
In particular, bfd_get_full_section_contents rather than bfd_get_section_contents so that compressed sections are handled properly. Necessary for mips if objdump is to not cache debug sections. * elfxx-mips.c (_bfd_elf_mips_get_relocated_section_contents): Apply all fixes to bfd_generic_get_relocated_section_contents since this function was split out.
2021-02-14Automatic date update in version.inGDB Administrator1-1/+1
2021-02-13Automatic date update in version.inGDB Administrator1-1/+1
2021-02-12Automatic date update in version.inGDB Administrator1-1/+1
2021-02-11Remove ia64 from obsolete listAlan Modra2-1/+4
* config.bfd: Remove ia64 from obsolete list.
2021-02-11Revert "ia64: Check UNDEFWEAK_NO_DYNAMIC_RELOC"Alan Modra2-15/+10
This reverts commit db41f6eb5234ea3c74c1ce4798cf9923d4a45a98.
2021-02-11PR27294, avr OOMAlan Modra2-8/+15
PR 27294 * elf32-avr.c (avr_elf32_load_records_from_section): Use bfd_malloc_and_get_section. Use bfd_byte* vars and remove then unnecessary casts.
2021-02-11PR27291, integer overflow in bfd_get_section_contentsAlan Modra2-4/+9
Makes the code a little more elegant too. Note that the unsigned overflow reported here is well defined so this patch doesn't fix any real problem. PR 27291 * section.c (bfd_get_section_contents): Avoid possible overflow when range checking offset and count. (bfd_set_section_contents): Likewise.
2021-02-11Automatic date update in version.inGDB Administrator1-1/+1
2021-02-10bfd, opcodes, libctf: support --with-included-gettextNick Alcock3-12/+16
Right now, these libraries hardwire -L../intl -lintl on a few fixed platforms, which works fine on those platforms but on other platforms leads to shared libraries that lack libintl_* symbols when configured --with-included-gettext, and/or static libraries that contain libintl as *another* static library. If we instead use the LIBINTL variable defined in ../intl/config.intl, this gives us the right thing on all three classes of platform (gettext in libc, gettext in system libintl, gettext in ../intl/libintl.a).. This also means we can rip out some Darwin-specific machinery from configure.ac and also simplify the Cygwin side. This also means that the libctf testsuite (and other places that include libbfd, libopcodes or libctf) don't need to grow libintl dependencies just on account of those libraries (though they still need such dependencies if they themselves use gettext machinery). bfd/ChangeLog 2021-02-03 Nick Alcock <nick.alcock@oracle.com> * configure.ac (SHARED_LIBADD): Remove explicit -lintl population in favour of LIBINTL. * configure: Regenerated. libctf/ChangeLog 2021-02-02 Nick Alcock <nick.alcock@oracle.com> * configure.ac (CTF_LIBADD): Remove explicit -lintl population in favour of LIBINTL. * Makefile.am (libctf_nobfd_la_LIBADD): No longer explicitly include $(LIBINTL). (check-DEJAGNU): Pass down to tests as well. * configure: Regenerated. * Makefile.in: Likewise. opcodes/ChangeLog 2021-02-04 Nick Alcock <nick.alcock@oracle.com> * configure.ac (SHARED_LIBADD): Remove explicit -lintl population in favour of LIBINTL. * configure: Regenerated.
2021-02-10Automatic date update in version.inGDB Administrator1-1/+1
2021-02-09Remove arm-symbianelfAlan Modra7-716/+399
* configure.ac: Delete arm*-*-symbianelf* entry. * configure: Regenerate. bfd/ * config.bfd (arm*-*-symbianelf*): Move from obsolete to removed. * configure.ac: Delete symbian entries. * elf-bfd.h (enum elf_target_os): Delete is_symbian. * elf32-arm.c: Remove symbian support. Formatting. * targets.c: Delete symbian entries. * configure: Regenerate. binutils/ * testsuite/lib/binutils-common.exp (supports_gnu_osabi): Remove symbianelf. gas/ * Makefile.am (TARG_ENV_HFILES): Remove config/te-symbian.h. * config/tc-arm.c (elf32_arm_target_format): Remove TE_SYMBIAN support. * config/te-symbian.h: Delete. * configure.tgt: Remove arm-*-symbianelf*. * testsuite/gas/arm/arch4t-eabi.d: Don't mention symbianelf in target selection. * testsuite/gas/arm/arch4t.d: Likewise. * testsuite/gas/arm/got_prel.d: Likewise. * testsuite/gas/arm/mapdir.d: Likewise. * testsuite/gas/arm/mapmisc.d: Likewise. * testsuite/gas/arm/mapsecs.d: Likewise. * testsuite/gas/arm/mapshort-eabi.d: Likewise. * testsuite/gas/arm/thumb-eabi.d: Likewise. * testsuite/gas/arm/thumb.d: Likewise. * testsuite/gas/arm/thumbrel.d: Likewise. * Makefile.in: Regenerate. * po/POTFILES.in: Regenerate. ld/ * Makefile.am (ALL_EMULATION_SOURCES): Remove earmsymbian.c. Don't include symbian dep file. * configure.tgt: Remove arm*-*-symbianelf* entry. * emulparams/armsymbian.sh: Delete. * ld.texi: Don't mention symbian. * scripttempl/armbpabi.sc: Delete. * testsuite/ld-arm/symbian-seg1.d: Delete. * testsuite/ld-arm/symbian-seg1.s: Delete. * testsuite/ld-arm/arm-elf.exp: Don't run symbian-seg1. * Makefile.in: Regenerate. * po/BLD-POTFILES.in: Regenerate.
2021-02-09Automatic date update in version.inGDB Administrator1-1/+1
2021-02-08Automatic date update in version.inGDB Administrator1-1/+1
2021-02-07Automatic date update in version.inGDB Administrator1-1/+1
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2021-02-05Automatic date update in version.inGDB Administrator1-1/+1
2021-02-04x86-64: Provide more info when failed to convert GOTPCRELH.J. Lu2-3/+16
Provide [hjl@gnu-cfl-2 ld]$ ./ld-new -z norelro -L/export/gnu/import/git/gitlab/x86-binutils/ld/testsuite/ld-x86-64 -melf32_x86_64 -Ttext=0x80000000 -o tmpdir/dump tmpdir/pr19609-7.o tmpdir/pr19609-7.o: in function `_start': (.text+0x2): failed to convert GOTPCREL relocation against 'foobar'; relink with --no-relax [hjl@gnu-cfl-2 ld]$ instead of [hjl@gnu-cfl-2 ld]$ ld -z norelro -L/export/gnu/import/git/gitlab/x86-binutils/ld/testsuite/ld-x86-64 -melf32_x86_64 -Ttext=0x80000000 -o tmpdir/dump tmpdir/pr19609-7.o ld: failed to convert GOTPCREL relocation; relink with --no-relax [hjl@gnu-cfl-2 ld]$ bfd/ PR ld/19609 * elf64-x86-64.c (elf_x86_64_relocate_section): Provide more info when failed to convert GOTPCREL relocation. ld/ PR ld/19609 * testsuite/ld-x86-64/pr19609-2a.d: Updated. * testsuite/ld-x86-64/pr19609-2b.d: Likewise. * testsuite/ld-x86-64/pr19609-4a.d: Likewise. * testsuite/ld-x86-64/pr19609-4c.d: Likewise. * testsuite/ld-x86-64/pr19609-5d.d: Likewise. * testsuite/ld-x86-64/pr19609-7a.d: Likewise. * testsuite/ld-x86-64/pr19609-7c.d: Likewise.
2021-02-04RISC-V: Removed the v0.93 bitmanip ZBA/ZBB/ZBC instructions.Nelson Chu2-1/+5
bfd/ * elfxx-riscv.c (riscv_parse_prefixed_ext): Removed zb*. gas/ * config/tc-riscv.c (riscv_multi_subset_supports): Removed INSN_CLASS_ZB*. * testsuite/gas/riscv/bitmanip-insns-32.d: Removed. * testsuite/gas/riscv/bitmanip-insns-64.d: Removed. * testsuite/gas/riscv/bitmanip-insns.s: Removed. include/ * opcode/riscv-opc.h: Removed macros for zb* extensions. * opcode/riscv.h (riscv_insn_class): Removed INSN_CLASS_ZB*. opcodes/ * riscv-opc.c (MASK_RVB_IMM): Removed. (riscv_opcodes): Removed zb* instructions. (riscv_ext_version_table): Removed versions for zb*.
2021-02-04PR27311, (symbol from plugin): undefined reference, hidden symAlan Modra2-0/+8
bfd/ PR 27311 * elflink.c (elf_link_add_object_symbols): Don't pull in as-needed libraries for IR references on pass over libraries after LTO recompilation. ld/ * testsuite/ld-plugin/pr27311d.c: New test. * testsuite/ld-plugin/lto.exp: Rename pr27311 to pr27311-1, compile and link new test as pr27311-2.
2021-02-04Automatic date update in version.inGDB Administrator1-1/+1
2021-02-03Re: PR27311, ld.bfd (symbol from plugin): undefined referenceAlan Modra2-15/+17
This does exactly the same as making decisions based on an override in _bfd_elf_add_default_symbol, and is simpler. PR 27311 * elflink.c (_bfd_elf_add_default_symbol): Revert last two changes. (elf_link_add_object_symbols): Here too. Don't pull in as-needed libraries when H is an indirect symbol after calling _bfd_elf_add_default_symbol.
2021-02-03PR27311 again, ld.bfd (symbol from plugin): undefined referenceAlan Modra2-1/+11
bfd/ PR 27311 * elflink.c (_bfd_elf_add_default_symbol): Clear override when undecorated symbol will have a different version. ld/ * testsuite/ld-ifunc/ifunc.exp (libpr16467b.so, libpr16467bn.so): Link with --as-needed.
2021-02-03Automatic date update in version.inGDB Administrator1-1/+1
2021-02-02PR27311, ld.bfd (symbol from plugin): undefined referenceAlan Modra2-7/+20
A default versioned symbol definition in a shared library is overridden by an unversioned definition in a regular object file, and thus should not be reason to make an as-needed library needed. bfd/ PR 27311 * elflink.c (_bfd_elf_add_default_symbol): Add override parameter. Use when handling default versioned symbol. Rename existing override variable to nondef_override and use for non-default versioned symbol. (elf_link_add_object_symbols): Adjust call to suit. Don't pull in as-needed libraries when override is set. ld/ * testsuite/ld-plugin/pr27311.d, * testsuite/ld-plugin/pr27311.ver, * testsuite/ld-plugin/pr27311a.c, * testsuite/ld-plugin/pr27311b.c, * testsuite/ld-plugin/pr27311c.c: New testcase. * testsuite/ld-plugin/lto.exp: Run it. Correct PR14918 and PR12982 entries.
2021-02-02Automatic date update in version.inGDB Administrator1-1/+1
2021-02-01Add Genode target supportEmery Hemingway2-3/+7
* configure.tgt: Add *-*-genode* as a target for AArch64 and x86.
2021-02-01Wrong operand for SADDR (rl78)Egor Vishnyakov2-1/+7
PR 27254 * elf32-rl78.c (rl78_elf_relocate_section): Fix calculation of offset for the R_RL78_RH_SADDR relocation.
2021-02-01Automatic date update in version.inGDB Administrator1-1/+1
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2021-01-29PR27271, c6x-uclinux-ld segfaults linking ld-uClibc-1.0.37.soAlan Modra2-0/+8
bfd/ PR 27271 * elflink.c (bfd_elf_link_record_dynamic_symbol): Don't segfault on symbols defined in absolute or other special sections. ld/ * testsuite/ld-tic6x/tic6x.exp: Add pr27271 test.
2021-01-29Automatic date update in version.inGDB Administrator1-1/+1