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2024-11-25gdbserver: use `gdb::unordered_map`users/simark/try-gdbserver-unordered-mapSimon Marchi3-9/+7
Replace the few uses of `std::unordered_map` with `gdb::unordered_map`. The only one of these that is likely to ever see a lot of elements is probably `process_info::m_ptid_thread_map`. It was added precisely to improve performance when there are a lot of threads. So using `gdb::unordered_map` here won't hurt. Change-Id: Ibc4ede5245551fdd7717cb349a012d05726f4363
2024-11-25Convert dwarf2_per_objfile::die_type_hash to new hash tableSimon Marchi2-80/+43
Convert dwarf2_per_objfile::die_type_hash, which maps debug info offsets to `type *`, to gdb::unordered_map. Change-Id: I5c174af64ee46d38a465008090e812acf03704ec Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25Convert dwarf2_cu::call_site_htab to new hash tableSimon Marchi5-63/+65
Convert one use of htab_t, mapping (unrelocated) pc to call_site objects, to `gdb::unordered_map<unrelocated_addr, call_site *>`. Change-Id: I40a0903253a8589dbdcb75d52ad4d233931f6641 Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25Convert dwarf_cu::die_hash to new hash tableSimon Marchi4-58/+44
Convert one use of htab_t, mapping offsets to die_info object, to `gdb::unordered_set`. Change-Id: Ic80df22bda551e2d4c2511d167e057f4d6cd2b3e Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25Convert gdb_bfd.c to new hash tableSimon Marchi1-65/+47
This converts the BFD cache in gdb_bfd.c to use the new hash table. Change-Id: Ib6257fe9d4f7f8ef793a2c82d53935a8d2c245a3 Co-Authored-By: Tom Tromey <tom@tromey.com> Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25Convert more DWARF code to new hash tableSimon Marchi3-74/+43
This converts more code in the DWARF reader to use the new hash table. Change-Id: I86f8c0072f0a09642de3d6f033fefd0c8acbc4a3 Co-Authored-By: Tom Tromey <tom@tromey.com> Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25Convert all_bfds to new hash tableSimon Marchi2-31/+19
This converts gdb_bfd.c to use the new hash table for all_bfds. This patch slightly changes the htab_t pretty-printer test, which was relying on all_bfds. Note that with the new hash table, gdb-specific printers aren't needed; the libstdc++ printers suffice -- in fact, they are better, because the true types of the contents are available. Change-Id: I48b7bd142085287b34bdef8b6db5587581f94280 Co-Authored-By: Tom Tromey <tom@tromey.com> Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25Convert typedef hash to new hash tableSimon Marchi3-110/+71
This converts the typedef hash to use the new hash table. This patch found a latent bug in the typedef code. Previously, the hash function looked at the type name, but the hash equality function used types_equal -- but that strips typedefs, meaning that equality of types did not imply equality of hashes. This patch fixes the problem and updates the relevant test. Change-Id: I0d10236b01e74bac79621244a1c0c56f90d65594 Co-Authored-By: Tom Tromey <tom@tromey.com> Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25Convert abbrevs to new hash tableSimon Marchi2-59/+48
This converts the DWARF abbrevs themselves to use the new hash table. Change-Id: I0320a733ecefe2cffeb25c068f17322dd3ab23e2 Co-Authored-By: Tom Tromey <tom@tromey.com> Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25Convert abbrev cache to new hash tableSimon Marchi2-43/+42
This converts the DWARF abbrev cache to use the new hash table. Change-Id: I5e88cd4030715954db2c43f873b77b6b8e73f5aa Co-Authored-By: Tom Tromey <tom@tromey.com> Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25Convert gnu-v3-abi.c to new hash tableSimon Marchi1-66/+32
This converts gnu-v3-abi.c to use the new hash table. This change shows how a std::vector can easily be made directly from the hash table, simplifying the earlier approach of constructing a vector and a hash table at the same time. Change-Id: Ia0c387a035a52300db6b6f5a3a2e5c69efa01155 Co-Authored-By: Tom Tromey <tom@tromey.com> Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25Convert static links to new hash tableSimon Marchi3-67/+13
This converts the objfile static link table to the new hash map. Change-Id: If978e895679899ca2af4ef01c12842b4184d88e6 Co-Authored-By: Tom Tromey <tom@tromey.com> Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25Convert type copying to new hash tableSimon Marchi14-87/+41
This converts the type copying code to use the new hash map. Change-Id: I35f0a4946dcc5c5eb84820126cf716b600f3302f Co-Authored-By: Tom Tromey <tom@tromey.com> Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25Convert compile/compile.c to new hash tableSimon Marchi2-146/+19
This converts compile/compile.c to use the new hash table. Change-Id: I7df3b8d791ece731ae0d1d64cdc91a2e372f5d4f Co-Authored-By: Tom Tromey <tom@tromey.com> Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25Convert disasm.c to new hash tableSimon Marchi1-67/+18
This converts disasm.c to use the new hash table. Change-Id: I2efbe7ecc2964ec49e0b726ad4674e8eafc929f7 Co-Authored-By: Tom Tromey <tom@tromey.com> Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25Convert py-framefilter.c to new hash tableSimon Marchi1-30/+32
This converts py-framefilter.c to use the new hash table. Change-Id: I38f4eaa8ebbcd4fd6e5e8ddc462502a92bf62f5e Co-Authored-By: Tom Tromey <tom@tromey.com> Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25Convert breakpoint.c to new hash tableSimon Marchi1-10/+3
This converts breakpoint.c to use the new hash table. Change-Id: I6d997a6242969586a7f8f9eb22cc8dd8d3ac97ff Co-Authored-By: Tom Tromey <tom@tromey.com> Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25Convert dwarf2/macro.c to new hash tableSimon Marchi1-14/+8
This converts dwarf2/macro.c to use the new hash table. Change-Id: I6af0d1178e2db330fe3a89d57763974145ed17c4 Co-Authored-By: Tom Tromey <tom@tromey.com> Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25Convert target-descriptions.c to new hash tableSimon Marchi1-11/+9
This converts target-descriptions.c to use the new hash table. Change-Id: I03dfc6053c9856c5578548afcfdf58abf8b7ec2c Co-Authored-By: Tom Tromey <tom@tromey.com> Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25Convert linespec.c to new hash tableSimon Marchi1-36/+18
This converts linespec.c to use the new hash table. Note that more simplification could perhaps be done. Currently, the collectors in this code insert an element into a set and then, if the element has not been seen before, append it to a vector. If we know the order does not matter, or if the results can be sorted later, we could dispense with the vector. This would simplify the code some more. (This technique is used in the vtable patch, later in this series.) Change-Id: Ie6828b1520d918d189ab5140dc8094a609152cf2 Co-Authored-By: Tom Tromey <tom@tromey.com> Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25Convert filename-seen-cache.h to new hash tableSimon Marchi3-80/+20
This converts filename-seen-cache.h to use the new hash table. filename-seen-cache.c is removed. Change-Id: Iffac1d5e49d1610049b7deeef6e98d49e644366a Co-Authored-By: Tom Tromey <tom@tromey.com> Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25Convert compile-c-symbols.c to new hash tableSimon Marchi1-48/+5
This converts compile-c-symbols.c to use the new hash table. I made it use a set of string_view instead of a set of `symbol *`, to avoid calling `symbol::natural_name` over and over. This appears safe to do, since I don't expect the storage behing the natural names to change during the lifetime of the map. Change-Id: Ie9f9334d4f03b9a8ae6886287f82cd435eee217c Co-Authored-By: Tom Tromey <tom@tromey.com> Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25gdbsupport: add unordered_dense.h 4.4.0Simon Marchi3-0/+2105
Add a copy of unordered_dense.h from [1]. This file implements an efficient hash map and hash set with a nice C++ interface (a near drop-in for std::unordered_map and std::unordered_set). This is expected to be used to replace uses of `htab_t`, for improved code readability and type safety. Performance-wise, it is preferred to the std types (std::unordered_map and std::unordered_set) due to it using open addressing vs closed addressing for the std types. I chose this particular implementation because it is simple to use, it's a standalone header and it typically performs well in benchmarks I have seen (e.g. [2]). The license being MIT, my understanding is that it's not a problem to use it and re-distribute it. Add two additional files, gdbsupport/unordered_map.h and gdbsupport/unordered_set.h, which make the map and set offered by gdbsupport/unordered_dense.h available as gdb::unordered_map and gdb::unordered_set. [1] https://github.com/martinus/unordered_dense [2] https://jacksonallan.github.io/c_cpp_hash_tables_benchmark/#conclusion-which-hash-table-to-choose Change-Id: I0c7469ccf9a14540465479e58b2a5140a2440a7d Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25gdb: make `cooked_index_storage::get_abbrev_table_cache` return a referenceSimon Marchi2-4/+4
It can never return nullptr, return a reference instead of a pointer. Change-Id: Ibc6f16eb74dc16059152982600ca9f426d7f80a4 Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25gdb: constification around abbrev_table_cache and abbrev_tableSimon Marchi3-8/+9
Make `abbrev_table_cache::find` const, make it return a pointer to `const abbrev_table`, adjust the fallouts. Make `cooked_index_storage::get_abbrev_table_cache` const, make itreturn a pointer to const `abbrev_table_cache`. Change-Id: If63b4b3a4c253f3bd640b13bce4a854eb2d75ece Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25gdb: rename abbrev_cache to abbrev_table_cacheSimon Marchi5-27/+26
This cache holds `abbrev_table` objects, so I think it's clearer and more consistent to name it `abbrev_table_cache`. Rename it and everything that goes along with it. Change-Id: I43448c0aa538dd2c3ae5efd2f7b3e7b827409d8c Approved-By: Tom Tromey <tom@tromey.com>
2024-11-26Automatic date update in version.inGDB Administrator1-1/+1
2024-11-25gdb: do better in breakpoint_free_objfileAndrew Burgess1-2/+24
The breakpoint_free_objfile function is called from the objfile destructor, and has the job of removing references to the soon to be deleted objfile from all breakpoint locations. The current implementation of breakpoint_free_objfile seems to miss lots of possible objfile references within bp_location. Currently we only check if bp_location::symtab is associated with the objfile in question, but there's bp_location::section and bp_location::probe, both of which might reference the soon to be deleted objfile. Additionally bp_location::symbol and bp_location::msymbol if set will surely be related to the objfile and should also be cleaned up. I'm not aware that this causes any problems, but it doesn't seem like a good idea to retain pointers to deleted state, so I propose that we improve breakpoint_free_objfile to set these pointers back to nullptr. In the future I plan to investigate the possibility of merging the functionality of breakpoint_free_objfile into disable_breakpoints_in_freed_objfile which is called via the gdb::observers::free_objfile event. However, I already have a patch series in progress which touches this area of GDB, and I'd like to avoid conflicting with that earlier series: https://inbox.sourceware.org/gdb-patches/cover.1724948606.git.aburgess@redhat.com Once this patch, and that earlier series have landed then I'll see if I can merge breakpoint_free_objfile, but I don't think that this needs to block this patch. There should be no user visible changes after this commit.
2024-11-25gdb: remove an unnecessary scope block in update_breakpoint_locationsAndrew Burgess1-45/+45
In update_breakpoint_locations there's a scope block which I don't think adds any value. There is one local defined within the scope, the local is currently an 'int' but should be a 'bool', either way there's no destructor being triggered when we exit the scope. This commit changes the local to a 'bool', removes the unnecessary scope, and re-indents the code. Within the (now removed) scope was a `for' loop. Inside the loop I have converted this: for (....) { if (CONDITION) { /* Body */ } } to this: for (....) { if (!CONDITION) continue; /* Body */ } which means that the body doesn't need to be indented as much, making things easier to read. There should be no functional change after this commit. Reviewed-By: Klaus Gerlicher <klaus.gerlicher@intel.com>
2024-11-25gdb: remove bp_location::objfileAndrew Burgess2-4/+0
The bp_location::objfile member variable is never used, so lets delete it. There should be no user visible changes after this commit.
2024-11-25gdbreplay: Calculate the checksum if missingAlexandra Hájková1-4/+48
Recalculate the checksum and replace whatever is at the end of the packet with the newly calculated checksum. Then replay the packet with the checksum added. The motivation for this change is that I'd like to add a TCL test which starts a communication with gdbsever setting the remotelog file. Then, it modifies the remotelog, injects an error message instead of the expected replay to some packet in order to test GDB reacts to the error response properly. Approved-By: Tom Tromey <tom@tromey.com>
2024-11-25Updated Bulgarian, Romanian and French translations for various ↵Nick Clifton3-6515/+10336
sub-directories. New Georgian translation for the gold sub-directory.
2024-11-25gdb/testsuite: force TERM setting for some filename completion testsAndrew Burgess1-62/+47
Some of the filename completion tests perform mid-line completion. That is we enter a partial line, then move the cursor back to the middle of the line and perform completion. The problem is that, emitting characters into the middle of a terminal line relies on first emitting some control characters. And which control characters are emitted will depend on the current TERM setting. When I initially added the mid-line completion tests I setup two regexp that covered two different terminal types, but PR gdb/32338 identifies additional terminal types that emit different sequences of control characters. Rather than trying to handle all possible terminal types, lets just force the TERM variable to something simple (i.e. "dumb") and then just support that one case. The thing being tested for here was that GDB would complete a filename in the middle of a line, the specific terminal type was not really important. I've simplified the regexp used to match the completion in two places, and I now force TERM to be "dumb" for the mid-line completion tests. I've tested this by setting my global environment TERM to 'ansi', 'xterm', 'xterm-mono', and 'dumb', and I see no failures in any mode now. Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=32338 Tested-By: Tom de Vries <tdevries@suse.de>
2024-11-25gdb: Add LoongArch process record/replay support in NEWS and docHui Li2-1/+4
At present, process record/replay and reverse debugging has been implemented on LoongArch. Update the NEWS and doc to record this new change. Signed-off-by: Hui Li <lihui@loongson.cn> Reviewed-By: Eli Zaretskii <eliz@gnu.org> Approved-By: Tom Tromey <tom@tromey.com> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
2024-11-25gdb: LoongArch: Add system call support for process record/replayHui Li4-0/+937
The process record and replay function also need record Linux system call instruction. This patch adds LoongArch system call number definitions in gdb/arch/loongarch-syscall.h, and adds loongarch_linux_syscall_record() in gdb/loongarch-linux-tdep.c to record system call execute log. With this patch, the main functions of process record/replay and reverse debugging are implemented. The LoongArch system call numbers definitions are obtained from Linux kernel. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi/asm-generic/unistd.h https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/loongarch/include/asm/unistd.h Signed-off-by: Hui Li <lihui@loongson.cn> Approved-By: Guinevere Larsen <guinevere@redhat.com> (record-full) Approved-By: Tom Tromey <tom@tromey.com> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
2024-11-25gdb: LoongArch: Add basic process record/replay supportHui Li5-1/+504
GDB provides a special process record and replay target that can record a log of the process execution, and replay it later with both forward and reverse execution commands. This patch adds the basic support of process record and replay on LoongArch, it allows users to debug basic LoongArch instructions and provides reverse debugging support. Here is a simple example on LoongArch: $ cat test.c int a = 0; int main() { a = 1; a = 2; return 0; } $ gdb test ... (gdb) start ... Temporary breakpoint 1, main () at test.c:4 4 a = 1; (gdb) record (gdb) p a $1 = 0 (gdb) n 5 a = 2; (gdb) n 6 return 0; (gdb) p a $2 = 2 (gdb) rn 5 a = 2; (gdb) rn Reached end of recorded history; stopping. Backward execution from here not possible. main () at test.c:4 4 a = 1; (gdb) p a $3 = 0 (gdb) record stop Process record is stopped and all execution logs are deleted. (gdb) c Continuing. [Inferior 1 (process 129178) exited normally] Signed-off-by: Hui Li <lihui@loongson.cn> Approved-By: Guinevere Larsen <guinevere@redhat.com> (record-full) Approved-By: Tom Tromey <tom@tromey.com> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
2024-11-25gdb: LoongArch: Add instruction definition for process recordHui Li1-0/+2096
GDB provides a special process record function that can record a log of the process execution. The core of this feature is need to record the execution of all instructions. This patch adds opcode definitions and judgments in gdb/arch/loongarch-insn.h. This is preparation for later patch on LoongArch, there is no effect for the other archs with this patch. The LoongArch opcode and mask definitions are obtained from https://sourceware.org/git/?p=binutils-gdb.git;a=blob;f=opcodes/loongarch-opc.c LoongArch instruction description refer to the LoongArch Reference Manual: https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html Signed-off-by: Hui Li <lihui@loongson.cn> Reviewed-By: Guinevere Larsen <guinevere@redhat.com> Approved-By: Tom Tromey <tom@tromey.com> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
2024-11-25Automatic date update in version.inGDB Administrator1-1/+1
2024-11-24opcodes: fix Werror=format build breaker in opcodes/riscv-dis.cTom de Vries1-1/+1
I build gdb on arm-linux and ran into: ... CC riscv-dis.lo opcodes/riscv-dis.c: In function ‘print_insn_args’: opcodes/riscv-dis.c:743:29: error: format ‘%lu’ expects argument of type \ ‘long unsigned int’, but argument 4 has type ‘insn_t’ \ {aka ‘long long unsigned int’} [-Werror=format=] 743 | "%lu", EXTRACT_ZCMT_INDEX (l)); | ~~^ | | | long unsigned int | %llu ... Fix this by printing the insn_t value, which is a uint64_t, using PRIu64. Tested by finishing the build.
2024-11-24Automatic date update in version.inGDB Administrator1-1/+1
2024-11-23[sim] Run spellcheck.sh in sim (part 2)Tom de Vries7-8/+8
Run gdb/contrib/spellcheck.sh on directory sim. Fix these todos: ... TODO: inbetween -> between, in between, in-between TODO: behavour -> behavior, behaviour TODO: firts -> flirts, first TODO: wich -> which, witch ... Tested by rebuilding on x86_64-linux. Reviewed-By: Eli Zaretskii <eliz@gnu.org> Approved-By: Tom Tromey <tom@tromey.com>
2024-11-23[gdb/contrib] Add two words to common-misspellings.txtTom de Vries4-4/+6
While reviewing changes generated by spellcheck.sh for directory sim, I noticed two more misspellings: ... arrithemetic->arithmetic electricaly->electrically ... Add them to common-misspellings.txt, and fix them in directory sim. Tested by rebuilding on x86_64-linux. Approved-By: Tom Tromey <tom@tromey.com>
2024-11-23[sim] Run spellcheck.sh in sim (part 1)Tom de Vries89-142/+142
Run gdb/contrib/spellcheck.sh on directory sim. Fix auto-corrected typos: ... accessable -> accessible accidently -> accidentally accomodate -> accommodate adress -> address afair -> affair agains -> against agressively -> aggressively annuled -> annulled arbitary -> arbitrary arround -> around auxillary -> auxiliary availablity -> availability clasic -> classic comming -> coming controled -> controlled controling -> controlling destory -> destroy existance -> existence explictly -> explicitly faciliate -> facilitate fouth -> fourth fullfilled -> fulfilled guarentee -> guarantee hinderance -> hindrance independant -> independent inital -> initial loosing -> losing occurance -> occurrence occured -> occurred occuring -> occurring omited -> omitted oportunity -> opportunity parallely -> parallelly permissable -> permissible postive -> positive powerfull -> powerful preceed -> precede preceeding -> preceding preceeds -> precedes primative -> primitive probaly -> probably programable -> programmable propogate -> propagate propper -> proper recieve -> receive reconized -> recognized refered -> referred refering -> referring relevent -> relevant responisble -> responsible retreive -> retrieve safty -> safety specifiying -> specifying spontanous -> spontaneous sqaure -> square successfull -> successful supress -> suppress sytem -> system thru -> through transfered -> transferred trigered -> triggered unfortunatly -> unfortunately upto -> up to usefull -> useful wierd -> weird writen -> written doesnt -> doesn't isnt -> isn't ... Manually undid the "andd -> and" transformation in sim/testsuite/cr16/andd.cgs and sim/cr16/simops.c. Tested by rebuilding on x86_64-linux. Approved-By: Tom Tromey <tom@tromey.com>
2024-11-23[sim] Rename local variable in ARMul_NthRegTom de Vries1-3/+3
Rename local variable in ARMul_NthReg from upto to up_to, to avoid being rewritten by gdb/contrib/spellcheck.sh. Approved-By: Tom Tromey <tom@tromey.com>
2024-11-23[gdbsupport] Rerun autoreconf -fTom de Vries2-2/+2
Rerun autoreconf -f in gdbsupport, reverting "behaviour" -> "behavior" changes in generated files aclocal.m4 and configure.
2024-11-23[gdb/contrib] Add two rules in common-misspellings.txtTom de Vries84-133/+135
Eli mentioned [1] that given that we use US English spelling in our documentation, we should use "behavior" instead of "behaviour". In wikipedia-common-misspellings.txt there's a rule: ... behavour->behavior, behaviour ... which leaves this as a choice. Add an overriding rule to hardcode the choice to common-misspellings.txt: ... behavour->behavior ... and add a rule to rewrite behaviour into behavior: ... behaviour->behavior ... and re-run spellcheck.sh on gdb*. Tested on x86_64-linux. [1] https://sourceware.org/pipermail/gdb-patches/2024-November/213371.html
2024-11-23Automatic date update in version.inGDB Administrator1-1/+1
2024-11-22Sync toplevel configure fixupSam James2-1/+59
Apparently I missed that we needed to sync config/acx.m4. I only noticed this because our packaging has a grep for certain messages post-merge. ``` work/binutils/configure: 5814: ACX_PROG_CARGO: not found ``` Fix that by syncing the macro too, which I missed in 987db70acefd0b223a8df2240d4e5ca544cc0a91.
2024-11-22gdb/record: introduce recoding support for vporGuinevere Larsen3-16/+29
This commit adds recording support for the AVX instruction vpor, and the AVX2 extension. Since the encoding of vpor and vpxor are the same, and their semantics are basically the same, modulo the mathematical operation, they are handled by the same switch case block. This also updates the vpxor function, to test vpor and vpxor, and updates the name to vpor_xor_test to better reflect what it does. Approved-By: Tom Tromey <tom@tromey.com>
2024-11-22gdb/record: Add support for recording vpmovmskbGuinevere Larsen3-0/+61
This commit adds support for recording the AVX instruction vpmovmskb, and tests to the relevant file. The test didn't really support checking general purpose registers, so this commit also adds a proc to gdb.reverse/i386-avx-reverse.exp, which can be used to test them Approved-By: Tom Tromey <tom@tromey.com>
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