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2020-10-05[PATCH][GAS][AArch64] Update Cortex-X1 feature flagsPrzemyslaw Wirkus1-2/+6
This is feature flags update for Cortex-X1 CPU. For more information about this processor, see [0]. [0] : https://www.arm.com/products/cortex-x gas/ChangeLog: 2020-10-05 Przemyslaw Wirkus <przemyslaw.wirkus@arm.com> * config/tc-aarch64.c: Update Cortex-X1 feature flags.
2020-10-05[PATCH][GAS][arm] Update Cortex-X1 feature flagsPrzemyslaw Wirkus1-1/+1
This is feature flags update for Cortex-X1 CPU. For more information about this processor, see [0]. [0] : https://www.arm.com/products/cortex-x gas/ChangeLog: 2020-10-05 Przemyslaw Wirkus <przemyslaw.wirkus@arm.com> * config/tc-arm.c: Update Cortex-X1 feature flags.
2020-10-05Add NetBSD AArch64 Little Endian and Big Endian BFD support.Nick Clifton2-2/+6
bfd * config.bfd (aarch64-*-netbsd*, aarch64_be-*-netbsd*): Add target.
2020-10-05Add NetBSD AArch64 GAS support.Kamil Rytarowski2-0/+5
gas * configure.tgt (aarch64*-*-netbsd*): Add target.
2020-10-05Fix spelling mistakesSamanta Navarro11-16/+35
2020-10-05gdb: avoid unnecessary string copy in auto_load_objfile_script_1Simon Marchi2-4/+8
Assigning the result of STRIP_DRIVE_SPEC to an std::string creates an unnecessary copy of the string. STRIP_DRIVE_SPEC is defined as: #define STRIP_DRIVE_SPEC(f) ((f) + 2) So if it is passed a "const char *", it returns a "const char *". We could use a "const char *" intermediary variable instead of an std::string, or (as implemented in this patch) just use it directly in the concatenation right after. gdb/ChangeLog: * auto-load.c (auto_load_objfile_script_1): Don't use debugfile_holder as temporary variable when stripping drive letter. Change-Id: If2ccc7a156b22100754d9cdf6778ac7eeb93da4c
2020-10-05i386: Allow non-absolute segment values for lcall/ljmpT.K. Chia18-6/+160
Allow an unresolved or non-absolute symbol as the segment operand of an immediate far jump (`ljmp SEG, OFF') or far call (`lcall SEG, OFF'). gas/ 2020-10-05 T.K. Chia <u1049321969@caramail.com> PR gas/26694 * NEWS: Updated for i386 lcall and ljmp change. * config/tc-i386.c (output_interseg_jump): Allow non-absolute segment operand for immediate lcall and ljmp. * testsuite/gas/i386/jump.d, * testsuite/gas/i386/jump.s, * testsuite/gas/i386/jump16.d, * testsuite/gas/i386/jump16.e, * testsuite/gas/i386/jump16.s: Add tests for non-absolute segment operand for immediate ljmp. ld/ 2020-10-05 T.K. Chia <u1049321969@caramail.com> PR gas/26694 * testsuite/ld-i386/ljmp.s, * testsuite/ld-i386/ljmp1.d, * testsuite/ld-i386/ljmp1.s, * testsuite/ld-i386/ljmp2.d, * testsuite/ld-i386/ljmp2.s, * testsuite/ld-x86-64/ljmp1.d, * testsuite/ld-x86-64/ljmp2.d: New testcases. * testsuite/ld-i386/i386.exp, * testsuite/ld-x86-64/x86-64.exp: Run them.
2020-10-05Update the BFD linker so that it deprecates grouped short options.Nick Clifton2-0/+19
* lexsup.c (parse_args): Generate an error or warning message when multiple short options are used together.
2020-10-05Fix function argument and return value locationsHannes Domani5-5/+46
Fixes these testsuite fails on Windows: FAIL: gdb.base/callfuncs.exp: p t_float_complex_values(fc1, fc2) FAIL: gdb.base/callfuncs.exp: p t_float_complex_many_args(fc1, fc2, fc3, fc4, fc1, fc2, fc3, fc4, fc1, fc2, fc3, fc4, fc1, fc2, fc3, fc4) FAIL: gdb.base/callfuncs.exp: noproto: p t_float_complex_values(fc1, fc2) FAIL: gdb.base/callfuncs.exp: noproto: p t_float_complex_many_args(fc1, fc2, fc3, fc4, fc1, fc2, fc3, fc4, fc1, fc2, fc3, fc4, fc1, fc2, fc3, fc4) FAIL: gdb.base/call-sc.exp: p/c fun(); call call-sc-tld FAIL: gdb.base/call-sc.exp: advance to fun for return; return call-sc-tld FAIL: gdb.base/call-sc.exp: zed L for return; return call-sc-tld FAIL: gdb.base/call-sc.exp: return foo; return call-sc-tld FAIL: gdb.base/call-sc.exp: return foo; synchronize pc to main() for 'call-sc-tld' FAIL: gdb.base/call-sc.exp: return foo; synchronize pc to main() for 'call-sc-tld' FAIL: gdb.base/call-sc.exp: advance to fun for finish; return call-sc-tld FAIL: gdb.base/call-sc.exp: zed L for finish; return call-sc-tld FAIL: gdb.base/call-sc.exp: finish foo; return call-sc-tld (the program is no longer running) FAIL: gdb.base/call-sc.exp: value foo finished; return call-sc-tld For function arguments (callfuncs.exp), only TYPE_CODE_COMPLEX was missing in the types passed via integer registers. For return values, there were a lot more issues: - TYPE_CODE_DECFLOAT is NOT returned via XMM0. - long double is NOT returned via XMM0. - but __int128 IS returned via XMM0. - the comments for TYPE_CODE_FLT state that __m128, __m128i and __m128d are returned by XMM0, and this is correct, but it doesn't actually check for them, because they are TYPE_CODE_ARRAY with TYPE_VECTOR So I had to add TYPE_CODE_DECFLOAT to the arguments passed via XMM register, but I had to remove it from the values returned via XMM0 register. gdb/ChangeLog: 2020-10-05 Hannes Domani <ssbssa@yahoo.de> * amd64-windows-tdep.c (amd64_windows_passed_by_integer_register): Add TYPE_CODE_COMPLEX. (amd64_windows_return_value): Fix types returned via XMM0. gdb/testsuite/ChangeLog: 2020-10-05 Hannes Domani <ssbssa@yahoo.de> * gdb.base/call-sc.c: Fix return struct on stack test case. * gdb.base/call-sc.exp: Likewise.
2020-10-05x86-64: Always display suffix for %LQ in 64bitH.J. Lu7-5/+19
In 64bit, assembler generates a warning for "sysret": $ echo sysret | as --64 -o x.o - {standard input}: Assembler messages: {standard input}:1: Warning: no instruction mnemonic suffix given and no register operands; using default for `sysret' Always display suffix for %LQ in 64bit to display "sysretl". gas/ PR binutils/26704 * testsuite/gas/i386/noreg64-data16.d: Expect sysretl instead of sysret. * testsuite/gas/i386/noreg64.d: Likewise. * testsuite/gas/i386/x86-64-intel64.d: Likewise. * testsuite/gas/i386/x86-64-opcode.d: Likewise. opcodes/ PR binutils/26704 * i386-dis.c (putop): Always display suffix for %LQ in 64bit.
2020-10-05x86: Clear modrm if not neededH.J. Lu6-4/+29
The MODRM byte can be checked to display the instruction name only if the MODRM byte needed. Clear modrm if the MODRM byte isn't needed so that modrm field checks in putop like, modrm.mod == N with N != 0, can be done without checking need_modrm. gas/ PR binutils/26705 * testsuite/gas/i386/x86-64-suffix.s: Add "mov %rsp,%rbp" before sysretq. * testsuite/gas/i386/x86-64-suffix-intel.d: Updated. * testsuite/gas/i386/x86-64-suffix.d: Likewise. opcodes/ PR binutils/26705 * i386-dis.c (print_insn): Clear modrm if not needed. (putop): Check need_modrm for modrm.mod != 3. Don't check need_modrm for modrm.mod == 3.
2020-10-05Add Luis Machado to AArch64/ARM GDB maintainersAlan Hayward2-0/+7
gdb/ChangeLog: * MAINTAINERS (Responsible Maintainers): Add Luis Machado to AArch64/ARM maintainers.
2020-10-05GAS: Update the .section directive so that a numeric section index can be ↵Nick Clifton11-55/+103
provided when the "o" flag is used. PR 26253 gas * config/obj-elf.c (obj_elf_section): Accept a numeric value for the "o" section flag. Interpret it as a section index. Allow an index of zero. * doc/as.texi: Document the new behaviour. * NEWS: Mention the new feature. Tidy entries. * testsuite/gas/elf/sh-link-zero.s: New test. * testsuite/gas/elf/sh-link-zero.d: New test driver. * testsuite/gas/elf/elf.exp: Run the new test. * testsuite/gas/elf/section21.l: Updated expected assembler output. bfd * elf.c (_bfd_elf_setup_sections): Do not complain about an sh_link value of zero when the SLF_LINK_ORDER flag is set. (assign_section_numbers): Likewise.
2020-10-05Automatic date update in version.inGDB Administrator1-1/+1
2020-10-04gdb: add doc for "set/show debug event-loop"Simon Marchi4-0/+24
I forgot that "set/show debug" commands are listed in the doc and in NEWS, so here they are. gdb/doc/ChangeLog: * gdb.texinfo (Debugging Output): Add set/show debug event-loop. gdb/ChangeLog: * NEWS: Mention set/show debug event-loop. Change-Id: If30b80177049006578280a06912ee2b97bd03a75
2020-10-04gdb/doc: space out list entries, fix one typeSimon Marchi2-1/+39
I want to add an item to this list, but it's so packed I have trouble finding where one item ends and the next starts. Add a few empty lines to make it a bit more readable. Doing this, I also noticed that an "aix-thread" should in fact be "aix-solib". gdb/doc/ChangeLog: * gdb.texinfo (Debugging Output): Add empty lines, fix typo. Change-Id: I7ef211f9e3988cfbc6ec94124d23a5f2412f3c82
2020-10-04Automatic date update in version.inGDB Administrator1-1/+1
2020-10-03x86: Update register operand check for AddrPrefixOpRegH.J. Lu19-60/+196
When the address size prefix applies to both the memory and the register operand, we need to extract the address size prefix from the register operand if the memory operand has no real registers, like symbol, DISP or symbol(%rip). NB: GCC always generates symbol(%rip) for RIP-relative addressing for both x32 and x86-64. Move the .code16 tests in movdir.s to movdir-16bit to show the correct output from objdump. PR gas/26685 * config/tc-i386.c (process_suffix): Also check the register operand for the address size prefix if the memory operand has no real registers. * testsuite/gas/i386/enqcmd-16bit.d: New file. * testsuite/gas/i386/enqcmd-16bit.s: Likewise. * testsuite/gas/i386/movdir-16bit.d: Likewise. * testsuite/gas/i386/movdir-16bit.s: Likewise. * testsuite/gas/i386/enqcmd.s: Add tests with symbol and DISP. * testsuite/gas/i386/x86-64-enqcmd.s: Likewise. * testsuite/gas/i386/x86-64-movdir.s: Likewise. * testsuite/gas/i386/movdir.s: Add tests with symbol and DISP. Remove the .code16 test. * testsuite/gas/i386/i386.exp: Run movdir-16bit and enqcmd-16bit. * testsuite/gas/i386/x86-64-enqcmd-intel.d: Updated. * testsuite/gas/i386/x86-64-enqcmd.d: Likewise. * testsuite/gas/i386/x86-64-movdir-intel.d: Likewise. * testsuite/gas/i386/x86-64-movdir.d: Likewise. * testsuite/gas/i386/enqcmd-intel.d: Likewise. * testsuite/gas/i386/enqcmd.d: Likewise. * testsuite/gas/i386/movdir-intel.d: Likewise. * testsuite/gas/i386/movdir.d: Likewise. * testsuite/gas/i386/x86-64-enqcmd-intel.d: Likewise. * testsuite/gas/i386/x86-64-enqcmd.d: Likewise. * testsuite/gas/i386/x86-64-movdir-intel.d: Likewise. * testsuite/gas/i386/x86-64-movdir.d: Likewise.
2020-10-03Automatic date update in version.inGDB Administrator1-1/+1
2020-10-02Unconditionally use REG_EXTENDEDTom Tromey2-8/+7
skip.c checks whether REG_EXTENDED is defined -- but this should always be available, and is used unconditionally in other parts of gdb. This patch removes this check, then further simplifies this code, removing a declaration and a repeated assertion. 2020-10-02 Tom Tromey <tromey@adacore.com> * skip.c (skiplist_entry::skiplist_entry): Unconditionally use REG_EXTENDED.
2020-10-02arm: add support for Cortex-A78 and Cortex-A78AEPrzemyslaw Wirkus6-0/+24
bfd/ChangeLog: 2020-09-30 Przemyslaw Wirkus <przemyslaw.wirkus@arm.com> * cpu-arm.c: Add cortex-a78 and cortex-a78ae. gas/ChangeLog: 2020-09-30 Przemyslaw Wirkus <przemyslaw.wirkus@arm.com> * config/tc-arm.c: Add cortex-a78 and cortex-a78ae cores. * doc/c-arm.texi: Update docs. * NEWS: Update news. * testsuite/gas/arm/cpu-cortex-a78.d: New test. * testsuite/gas/arm/cpu-cortex-a78ae.d: New test.
2020-10-02gdb: fix some inferior_created observer signaturesSimon Marchi3-10/+7
I just noticed that in a7aba2668a7b ("gdb: remove arguments from inferior_created observable"), I forgot to update aix_thread_inferior_created and procfs_inferior_created, which are in files I can't compile. Remove the parameters from aix_thread_inferior_created. And simply remove procfs_inferior_created, since it's empty anyway. gdb/ChangeLog: * aix-thread.c (aix_thread_inferior_created): Remove parameters. * procfs.c (procfs_inferior_created): Remove. (_initialize_procfs): Don't register procfs_inferior_created. Change-Id: Ifc7def7c096332033b5d466d32cb873d1df18c2c
2020-10-02gdb: add debug prints in event loopSimon Marchi8-10/+192
Add debug printouts about event loop-related events: - When a file descriptor handler gets invoked - When an async event/signal handler gets invoked gdb/ChangeLog: * async-event.c (invoke_async_signal_handlers): Add debug print. (check_async_event_handlers): Likewise. * event-top.c (show_debug_event_loop): New function. (_initialize_event_top): Register "set debug event-loop" setting. gdbserver/ChangeLog: * server.cc (handle_monitor_command): Handle "set debug-event-loop". (captured_main): Handle "--debug-event-loop". (monitor_show_help): Mention new setting. (gdbserver_usage): Mention new flag. gdbsupport/ChangeLog: * event-loop.h (debug_event_loop): New variable declaration. (event_loop_debug_printf_1): New function declaration. (event_loop_debug_printf): New macro. * event-loop.cc (debug_event_loop): New variable. (handle_file_event): Add debug print. (event_loop_debug_printf_1): New function. Change-Id: If78ed3a69179881368e7895b42940ce13b6a1a05
2020-10-02gdb: move debug_prefixed_vprintf hereSimon Marchi8-46/+32
The following patch needs to output debug prints from gdbsupport code. Move debug_prefixed_vprintf so that it is possible to use it from gdbsupport. gdb/ChangeLog: * debug.c (debug_prefixed_vprintf): Move to gdbsupport. * debug.h: Remove. * infrun.c: Include gdbsupport/common-debug.h. * linux-nat.c: Likewise. gdbsupport/ChangeLog: * common-debug.cc (debug_prefixed_vprintf): Move here. * common-debug.h (debug_prefixed_vprintf): Move here. Change-Id: I5170065fc10a7a49c0f1bba67c691decb2cf3bcb
2020-10-02gdb: give names to async event/signal handlersSimon Marchi10-23/+59
Assign names to async event/signal handlers. They will be used in debug messages when file handlers are invoked. Unlike in the previous patch, the names are not copied in the structure, since we don't need to (all names are string literals for the moment). gdb/ChangeLog: * async-event.h (create_async_signal_handler): Add name parameter. (create_async_event_handler): Likewise. * async-event.c (struct async_signal_handler) <name>: New field. (struct async_event_handler) <name>: New field. (create_async_signal_handler): Assign name. (create_async_event_handler): Assign name. * event-top.c (async_init_signals): Pass name when creating handler. * infrun.c (_initialize_infrun): Likewise. * record-btrace.c (record_btrace_push_target): Likewise. * record-full.c (record_full_open): Likewise. * remote-notif.c (remote_notif_state_allocate): Likewise. * remote.c (remote_target::open_1): Likewise. * tui/tui-win.c (tui_initialize_win): Likewise. Change-Id: Icd9d9f775542ae5fc2cd148c12f481e7885936d5
2020-10-02gdb: give names to event loop file handlersSimon Marchi15-30/+85
Assign names to event loop file handlers. They will be used in debug messages when file handlers are invoked. In GDB, each UI used to get its own unique number, until commit cbe256847e19 ("Remove ui::num"). Re-introduce this field, and use it to make a unique name for the handler. I'm not too sure what goes on in ser-base.c, all I know is that it's what is used when debugging remotely. I've just named the main handler "serial". It would be good to have unique names there too. For instance when debugging with two different remote connections, we'd ideally want the handlers to have unique names. I didn't do it in this patch though. gdb/ChangeLog: * async-event.c (initialize_async_signal_handlers): Pass name to add_file_handler * event-top.c (ui_register_input_event_handler): Likewise. * linux-nat.c (linux_nat_target::async): Likewise. * run-on-main-thread.c (_initialize_run_on_main_thread): Likewise * ser-base.c (reschedule): Likewise. (ser_base_async): Likewise. * tui/tui-io.c: Likewise. * top.h (struct ui) <num>: New field. * top.c (highest_ui_num): New variable. (ui::ui): Initialize num. gdbserver/ChangeLog: * linux-low.cc (linux_process_target::async): Pass name to add_file_handler. * remote-utils.cc (handle_accept_event): Likewise. (remote_open): Likewise. gdbsupport/ChangeLog: * event-loop.h (add_file_handler): Add "name" parameter. * event-loop.cc (struct file_handler) <name>: New field. (create_file_handler): Add "name" parameter, assign it to file handler. (add_file_handler): Add "name" parameter. Change-Id: I9f1545f73888ebb6778eb653a618ca44d105f92c
2020-10-02gdb: remove arguments from inferior_created observableSimon Marchi15-18/+24
I noticed that non of the listeners of the inferior_created observable used either of the arguments. Remove them. This in turn allows removing the target parameter of post_create_inferior. Tested only by rebuilding. gdb/ChangeLog: * observable.h <inferior_created>: Remove parameters. Update all listeners. * inferior.h (post_create_inferior): Remove target parameter. Update all callers. Change-Id: I8944cefdc4447ed5347dc927b75abf1e7a0e27e6
2020-10-02Fix spelling mistake in gdb/testsuite/README.Gary Benson2-1/+5
This commit corrects the spelling mistake detailed below. gdb/testsuite/ChangeLog: * README: Fix "paralell".
2020-10-02Fix the mve-vcvtne-it assembler test for the arm-*-pe targets.Nick Clifton2-1/+7
* testsuite/gas/arm/mve-vcvtne-it.d: Allow for padding inserted by PE based targets.
2020-10-02Allow note sections to be discarded when they are linked to another ↵H.J. Lu6-1/+33
discarded secction. PR 26681 bfd * elflink.c (bfd_elf_gc_sections): Do not arbitrarily keep note sections which are linked to another section. ld * testsuite/ld-elf/pr26681.s: New test. * testsuite/ld-elf/pr26681.d: New test driver. * testsuite/ld-elf/pr26681.l: New test output.
2020-10-02DWARFv5: Handle DW_MACRO_define_strx and DW_MACRO_undef_strx macro entries.nitachra4-4/+101
GDB complaints "During symbol reading: unrecognized DW_MACFINO opcode 0xb" with the testcase given below. Clang is emitting DW_MACRO_define_strx and DW_MACRO_undef_strx entries in .debug_macro section which are not supported in GDB. This patch handles them. DW_MACRO_define_strx and DW_MACRO_undef_strx are added in DWARFv5. They have two operands. The first operand encodes the line number of the #define or #undef macro directive. The second operand identifies a string; it is represented using an unsigned LEB128 encoded value, which is interpreted as a zero-based index into an array of offsets in the .debug_str_offsets section. This is as per the section 6.3.2.1 of Dwarf Debugging Information Format Version 5. Test case used: #define MAX_SIZE 10 int main(void) { int size = 0; size = size + MAX_SIZE; printf("\n The value of size is [%d]\n",size); return 0; } clang -gdwarf-5 -fdebug-macro macro.c -o macro.out Before the patch: gdb/new_gdb/binutils-gdb/build/bin/gdb -q macro.out -ex "set complaints 1" -ex "start" Reading symbols from macro.out... During symbol reading: unrecognized DW_MACFINO opcode 0xb Temporary breakpoint 1 at 0x4004df: file macro.c, line 7. Starting program: /home/nitika/workspace/macro.out Temporary breakpoint 1, main () at macro.c:7 7 int size = 0; (gdb) Tested by running the testsuite before and after the patch with -gdwarf-5 and there is no increase in the number of test cases that fails. Used clang 11.0.0. gdb/ChangeLog: * dwarf2/macro.c (dwarf_decode_macro_bytes): Handle DW_MACRO_define_strx and DW_MACRO_undef_strx. (dwarf_decode_macros): Likewise * dwarf2/read.c (dwarf_decode_macros): Pass str_offsets_base in the parameters which is the value of DW_AT_str_offsets_base. * dwarf2/macro.h (dwarf_decode_macros): Modify the definition to include str_offsets_base.
2020-10-02Automatic date update in version.inGDB Administrator1-1/+1
2020-10-02Fix the i386 buildKamil Rytarowski2-1/+4
Remove old, no longer needed and no longer valid extern. ../../gdb/i386-nbsd-tdep.c:58:12: error: 'i386nbsd_sc_reg_offset' was declared 'extern' and later 'static' [-fpermissive] 58 | static int i386nbsd_sc_reg_offset[] = | ^~~~~~~~~~~~~~~~~~~~~~ In file included from ../../gdb/i386-nbsd-tdep.c:31: ../../gdb/i386-tdep.h:480:12: note: previous declaration of 'i386nbsd_sc_reg_offset' 480 | extern int i386nbsd_sc_reg_offset[]; | ^~~~~~~~~~~~~~~~~~~~~~ gdb/ChangeLog: * i386-tdep.h (i386nbsd_sc_reg_offset): Remove.
2020-10-02Remove the old sanity check of sigcontext offsets for NetBSD/i386Kamil Rytarowski3-6/+7
NetBSD switched to ucontext, back in 2003 and the sigcontext code is no longer available for users, except for legacy compat layers. This code was not available anyway as the pre-processor check was probably never operational and buildable on NetBSD. The code inside it does not compile. Meanwhile, move the offset variable into the ifdef goards and avoid the error about unused variable. ../../gdb/i386-bsd-nat.c: In function 'void _initialize_i386bsd_nat()': ../../gdb/i386-bsd-nat.c:347:7: error: unused variable 'offset' [-Werror=unused-variable] 347 | int offset; | ^~~~~~ cc1plus: all warnings being treated as errors gdb/ChangeLog: * i386-bsd-nat.c (_initialize_i386bsd_nat): Update. * i386-nbsd-tdep.c (i386nbsd_sc_reg_offset): Now static.
2020-10-02Add NetBSD/i386 gdbserver supportKamil Rytarowski4-0/+170
The support is on part with NetBSD/amd64, thus GPR works, single step and software breakpoint are operational, and the SVR4 r_debug integration is functional. gdbserver/ChangeLog: * netbsd-i386-low.cc: Add. * Makefile.in (SFILES): Register "netbsd-i386-low.c". * configure.srv: Add i[34567]86-*-netbsd*.
2020-10-02Refactor the NetBSD amd64 gdbserver supportKamil Rytarowski4-46/+67
Replace the pre-C++ construct of netbsd_target_ops, netbsd_regset_info and netbsd_tdesc with C++ inheritance approach found in the Linux gdbserver code. Add netbsd_amd64_target, that inherits from the netbsd_process_target class and add proper singleton object for the_netbsd_target, initialized from netbsd_amd64_target. Call low_arch_setup () on post process creation, which sets machine specific properties of the traced process. Remove global singleton the_netbsd_target object from the generic gdbserver code. This refactoring introduces no functional change from the end-user point of view. gdbserver/ChangeLog: * netbsd-amd64-low.cc (netbsd_x86_64_arch_setup): Remove. (netbsd_target_regsets): Now const. (the_low_target): Remove. (class netbsd_amd64_target, the_netbsd_amd64_target) (the_netbsd_target): Add. * netbsd-low.cc (netbsd_process_target::post_create_inferior): Call low_arch_setup (). (netbsd_process_target::fetch_registers) (netbsd_process_target::store_registers, initialize_low): Update. (the_netbsd_target): Remove. * netbsd-low.h (netbsd_target_regsets, netbsd_target_ops) (the_low_target, netbsd_tdesc): Remove. (netbsd_process_target::get_regs_info) (netbsd_process_target::low_arch_setup): Add.
2020-10-02Preinitialize the sockaddr_un variable to zeroKamil Rytarowski2-2/+5
Don't pass random sun_len for the BSD's, zero the whole structure as recommended for portability. Reported by Coverity. gdbsupport/ChangeLog: * agent.cc (gdb_connect_sync_socket): Preinitialize addr with zeros.
2020-10-02Include the x86-bsd-nat.h header and fix the NetBSD/i386 buildKamil Rytarowski2-0/+6
In file included from ../../gdb/i386-nbsd-nat.c:26: ../../gdb/i386-bsd-nat.h:34:53: error: expected template-name before '<' token 34 | class i386_bsd_nat_target : public x86bsd_nat_target<BaseTarget> | ^ ../../gdb/i386-bsd-nat.h:34:53: error: expected '{' before '<' token ../../gdb/i386-nbsd-nat.c:74:45: error: aggregate 'i386_bsd_nat_target<nbsd_nat_target> the_i386_nbsd_nat_target' has incomplete type and cannot be defined 74 | static i386_bsd_nat_target<nbsd_nat_target> the_i386_nbsd_nat_target; | ^~~~~~~~~~~~~~~~~~~~~~~~ gdb/ChangeLog: * i386-bsd-nat.c: Include "x86-bsd-nat.h".
2020-10-01Add new directive to GAS: .attach_to_group.Nick Clifton11-1/+108
* config/obj-elf (elf_pseudo_table): Add attach_to_group. (obj_elf_attach_to_group): New function. * doc/as.texi: Document the new directive. * NEWS: Mention the new feature. * testsuite/gas/elf/attach-1.s: New test. * testsuite/gas/elf/attach-1.d: New test driver. * testsuite/gas/elf/attach-2.s: New test. * testsuite/gas/elf/attach-2.d: New test driver. * testsuite/gas/elf/attach-err.s: New test. * testsuite/gas/elf/attach-err.d: New test driver. * testsuite/gas/elf/attach-err.err: New test error output. * testsuite/gas/elf/elf.exp: Run the new tests.
2020-10-01Automatic date update in version.inGDB Administrator1-1/+1
2020-09-30x86: Check register operand for AddrPrefixOpRegH.J. Lu8-34/+114
If the address prefix changes the register operand, we need to check the register operand when the memory operand is RIP-relative. PR gas/26685 * config/tc-i386.c (process_suffix): Check the register operand for the address size prefix if the memory operand is symbol(%rip). * testsuite/gas/i386/x86-64-enqcmd.s: Add tests with RIP-relative addressing. * testsuite/gas/i386/x86-64-movdir.s: Likewise. * testsuite/gas/i386/x86-64-enqcmd-intel.d: Updated. * testsuite/gas/i386/x86-64-enqcmd.d: Likewise. * testsuite/gas/i386/x86-64-movdir-intel.d: Likewise. * testsuite/gas/i386/x86-64-movdir.d: Likewise.
2020-09-30[gdb] Fix regression in dwarf2_nameTom de Vries2-0/+7
Since commit 2c830f5475 "Change some uses of DW_STRING to string method" we have these regressions: ... FAIL: gdb.base/info-types-c++.exp: info types FAIL: gdb.cp/anon-struct.exp: print type of t::t FAIL: gdb.cp/anon-struct.exp: print type of X::t2 FAIL: gdb.cp/anon-struct.exp: print type of X::t2::t2 FAIL: gdb.cp/anon-struct.exp: print type of t3::~t3 ... Fix these in dwarf2_name by updating attr_name each time attr is updated. Tested on x86_64-linux. gdb/ChangeLog: 2020-09-30 Tom de Vries <tdevries@suse.de> PR symtab/26683 * dwarf2/read.c (dwarf2_name): Update attr_name after attr is updated.
2020-09-30Fix regression in variant part handlingTom Tromey2-2/+6
My series to change DWARF attribute handling to be type-safe introduced a regression in gdb.ada/variant.exp. handle_variant was using as_unsigned on an attribute with DW_FORM_sdata. This patch changes it to use constant_value instead. 2020-09-30 Tom Tromey <tromey@adacore.com> * dwarf2/read.c (handle_variant): Use constant_value.
2020-09-30[GAS][AArch64] Add support for Cortex-A78 and Cortex-A78AEPrzemyslaw Wirkus4-0/+24
* config/tc-aarch64.c: Add Cortex-A78 and Cortex-A78AE cores. * doc/c-aarch64.texi: Update docs. * NEWS: Update news.
2020-09-30ld: Override the IR definition for non-ELF targetsH.J. Lu2-2/+10
For non-ELF targets, override the IR definition before all LTO symbols have been read. PR ld/26675 * plugin.c (plugin_notice): Override the IR definition before all LTO symbols have been read for non-ELF targets.
2020-09-30NEWS: Mention recent Arm CPU supportAlex Coplan2-0/+9
Mentions Armv8-R AArch64, Cortex-R82, Neoverse V1, and Neoverse N2. gas/ChangeLog: 2020-09-30 Alex Coplan <alex.coplan@arm.com> * NEWS: Mention recent Arm processor support.
2020-09-30aarch64: Add support for Neoverse N2 CPUAlex Coplan3-0/+16
This patch adds support for Arm's Neoverse N2 CPU to AArch64 binutils. gas/ChangeLog: * config/tc-aarch64.c (aarch64_cpus): Add neoverse-n2. * doc/c-aarch64.texi: Document support for Neoverse N2.
2020-09-30Fix gdb.dwarf2/dw2-double-set-die-type.exp with ClangGary Benson2-4/+10
gdb.dwarf2/dw2-double-set-die-type.exp failed to build with Clang, because of the following issues: - One .uleb128 directive was specified with an uppercase U, causing Clang to fail with the message: error: unknown directive This commit converts that directive to all-lowercase. - The label ".Labbrev1_begin" was referenced but not defined, causing Clang to fail with the message: <unknown>:0: error: Undefined temporary symbol This commit adds the label in the appropriate place. - The label ".Ldebug_line0" was referenced but not defined, causing Clang to fail with the message: <unknown>:0: error: Undefined temporary symbol This commit removes the reference. gdb/testsuite/ChangeLog: * gdb.dwarf2/dw2-double-set-die-type.S (.Ldie_3e0): Convert directive to lowercase. (.Labbrev1_begin): Add missing label. (abbrev code 0x1): Remove DW_AT_stmt_list. (.Ldie_b): Likewise.
2020-09-30After preventing creating an import library for an exe when there are no ↵Jeremy Drake3-2/+11
exports, to avoid a crash, it turned out that some projects expected to be able to create an import library for a dll with no exports, so more closely match the condition to the condition around initializing the dll name. PR 26588 * emultempl/pe.em (_finish): Generate an import library for DLLs, even if they have no exports. * emultempl/pep.em (_finish): Likewise.
2020-09-30gcc-4.4.7 warning fixesAlan Modra3-3/+10
* config/obj-elf.c (obj_elf_change_section): Rename variable to avoid shadowing warning. * symbols.c (symbol_entry_find): Init all symbol_flags fields.
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