-----Original Message----- > Provides API for crash_target to fetch registers of given > CPU. It will allow gdb to perform such commands as "bt", > "frame", "info locals". > > Highlevel API is crash_get_cpu_reg (). It calls machine > (architecture) specific function: machdep->get_cpu_reg(). > Input arguments such as register number and register size > come from gdb arch information. So, get_cpu_regs() > implementations in crash must understand it. > > Signed-off-by: Alexey Makhalov <amakhalov@xxxxxxxxxx> I've not debugged this yet, but with this patch, the crash cannot start the session. Do you have any clue? $ make TARGET: X86_64 CRASH: 7.2.9++ GDB: 10.1 ... gcc -c -g -DX86_64 -DGDB_10_1 -g -O2 vmware_guestdump.c -Wall -O2 -Wstrict-prototypes -Wmissing-prototypes -fstack-protector -Wformat-security gcc -c -g -DX86_64 -DGDB_10_1 -g -O2 xen_dom0.c -Wall -O2 -Wstrict-prototypes -Wmissing-prototypes -fstack-protector -Wformat-security gcc -c -g -DX86_64 -DGDB_10_1 -g -O2 kaslr_helper.c -Wall -O2 -Wstrict-prototypes -Wmissing-prototypes -fstack-protector -Wformat-security ar -rs crashlib.a main.o tools.o global_data.o memory.o filesys.o help.o task.o build_data.o kernel.o test.o gdb_interface.o net.o dev.o bpf.o printk.o alpha.o x86.o ppc.o ia64.o s390.o s390x.o s390dbf.o ppc64.o x86_64.o arm.o arm64.o mips.o sparc64.o extensions.o remote.o va_server.o va_server_v1.o symbols.o cmdline.o lkcd_common.o lkcd_v1.o lkcd_v2_v3.o lkcd_v5.o lkcd_v7.o lkcd_v8.o lkcd_fix_mem.o s390_dump.o netdump.o diskdump.o makedumpfile.o xendump.o lkcd_x86_trace.o unwind_v1.o unwind_v2.o unwind_v3.o unwind_x86_32_64.o unwind_arm.o xen_hyper.o xen_hyper_command.o xen_hyper_global_data.o xen_hyper_dump_tables.o kvmdump.o qemu.o qemu-load.o sadump.o ipcs.o ramdump.o vmware_vmss.o vmware_guestdump.o xen_dom0.o kaslr_helper.o ar: creating crashlib.a CXXLD gdb make[3]: Nothing to be done for `all-target'. $ crash vmlinux-3.10.0-693.el7.x86_64 vmcore crash 7.2.9++ Copyright (C) 2002-2020 Red Hat, Inc. Copyright (C) 2004, 2005, 2006, 2010 IBM Corporation Copyright (C) 1999-2006 Hewlett-Packard Co Copyright (C) 2005, 2006, 2011, 2012 Fujitsu Limited Copyright (C) 2006, 2007 VA Linux Systems Japan K.K. Copyright (C) 2005, 2011 NEC Corporation Copyright (C) 1999, 2002, 2007 Silicon Graphics, Inc. Copyright (C) 1999, 2000, 2001, 2002 Mission Critical Linux, Inc. Copyright (c) 2015, 2020 VMware, Inc. This program is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Enter "help copying" to see the conditions. This program has absolutely no warranty. Enter "help warranty" for details. GNU gdb (GDB) 10.1 Copyright (C) 2020 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-pc-linux-gnu". Type "show configuration" for configuration details. Find the GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from vmlinux-3.10.0-693.el7.x86_64... thread.c:95: internal-error: thread_info* inferior_thread(): Assertion `current_thread_ != nullptr' failed. A problem internal to GDB has been detected, further debugging may prove unreliable. Quit this debugging session? (y or n) Thanks, Kazu -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility
