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* gdbstub: fix gdbserver_forkedgar_igl2009-01-071-1/+1
| | | | | | | | | | | | | As reported by Martin Mohring fork doesn't work with NPTL. A fix is attached that makes the also attached test run (tested with ARM CodeSourcery 2008q3 on an x86_64 Fedora Core with kernel 2.6.23). Signed-off-by: Laurent Desnogues <laurent.desnogues@gmail.com> Acked-by: Edgar E. Iglesias <edgar.iglesias@gmail.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6195 c046a42c-6fe2-441c-8c8c-71466251a162
* Update FSF address in GPL/LGPL boilerplateaurel322009-01-041-1/+1
| | | | | | | | | | The attached patch updates the FSF address in the GPL/LGPL boilerplate in most GPL/LGPLed files, and also in COPYING.LIB. Signed-off-by: Stuart Brady <stuart.brady@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6162 c046a42c-6fe2-441c-8c8c-71466251a162
* User-mode GDB stub improvements - handle signalsaurel322008-12-181-15/+239
| | | | | | | | | | | | | Handle signals in the user-mode GDB stub. Report them to GDB, and allow it to change or cancel them. Also correct the protocol numbering; it happens to match Linux numbering for SIGINT and SIGTRAP, but that's just good fortune. Signed-off-by: Daniel Jacobowitz <dan@codesourcery.com> Acked-by: Edgar E. Iglesias <edgar.iglesias@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6096 c046a42c-6fe2-441c-8c8c-71466251a162
* User-mode GDB stub improvements - handle forkaurel322008-12-181-0/+12
| | | | | | | | | | Close gdbserver in child processes, so that only one stub tries to talk to GDB at a time. Updated from an earlier patch by Paul Brook. Signed-off-by: Daniel Jacobowitz <dan@codesourcery.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6095 c046a42c-6fe2-441c-8c8c-71466251a162
* target-alpha: gdb-stub supportaurel322008-12-071-0/+54
| | | | | | (Vince Weaver) git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5945 c046a42c-6fe2-441c-8c8c-71466251a162
* gdbstub: kill a warningaurel322008-12-071-1/+1
| | | | | | Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5943 c046a42c-6fe2-441c-8c8c-71466251a162
* Fix some new warnings introduced after r5022blueswir12008-12-071-2/+0
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5933 c046a42c-6fe2-441c-8c8c-71466251a162
* gdbstub: Fix access to PPC FPRsaurel322008-11-301-2/+2
| | | | | | | | | | Obviously, someone forgot to rebase the index before accessing one of the 32 FPRs. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5821 c046a42c-6fe2-441c-8c8c-71466251a162
* gdbstub: manage CPUs as threads (Jan Kiszka)aliguori2008-11-181-82/+194
| | | | | | | | | | | | | | | | | | | | This patch enhances QEMU's built-in debugger for SMP guest debugging. Using the thread support of the gdb remote protocol, each VCPU is mapped on a pseudo thread and exposed to the gdb frontend. This way you can easy switch the focus of gdb between the VCPUs and observe their states. On breakpoint hit, the focus is automatically adjusted just as for normal multi-threaded application under gdb control. Furthermore, the patch propagates breakpoint and watchpoint insertions or removals to all CPUs, not just the current one as it was the case so far. Without this, SMP guest debugging was practically unfeasible. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5743 c046a42c-6fe2-441c-8c8c-71466251a162
* Refactor and enhance break/watchpoint API (Jan Kiszka)aliguori2008-11-181-60/+77
| | | | | | | | | | | | | | | | | | | | | This patch prepares the QEMU cpu_watchpoint/breakpoint API to allow the succeeding enhancements this series comes with. First of all, it overcomes MAX_BREAKPOINTS/MAX_WATCHPOINTS by switching to dynamically allocated data structures that are kept in linked lists. This also allows to return a stable reference to the related objects, required for later introduced x86 debug register support. Breakpoints and watchpoints are stored with their full information set and an additional flag field that makes them easily extensible for use beyond pure guest debugging. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5738 c046a42c-6fe2-441c-8c8c-71466251a162
* gdbstub: Return appropriate watch message to gdb (Jan Kiszka)aliguori2008-11-181-2/+15
| | | | | | | | | | | | Return the appropriate type prefix (r, a, none) when reporting watchpoint hits to the gdb front-end. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5737 c046a42c-6fe2-441c-8c8c-71466251a162
* Implement "info chardev" command. (Gerd Hoffmann)aliguori2008-10-311-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patch makes qemu keep track of the character devices in use and implements a "info chardev" monitor command to print a list. qemu_chr_open() sticks the devices into a linked list now. It got a new argument (label), so there is a name for each device. It also assigns a filename to each character device. By default it just copyes the filename passed in. Individual drivers can fill in something else though. qemu_chr_open_pty() sets the filename to name of the pseudo tty allocated. Output looks like this: (qemu) info chardev monitor: filename=unix:/tmp/run.sh-26827/monitor,server,nowait serial0: filename=unix:/tmp/run.sh-26827/console,server serial1: filename=pty:/dev/pts/5 parallel0: filename=vc:640x480 Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5575 c046a42c-6fe2-441c-8c8c-71466251a162
* Use snprintf to please OpenBSD linkerblueswir12008-10-251-9/+9
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5529 c046a42c-6fe2-441c-8c8c-71466251a162
* target-ppc: Convert XER accesses to TCGaurel322008-10-211-3/+3
| | | | | | | | | | Define XER bits as a single register and access them individually to avoid defining 5 32-bit registers (TCG doesn't permit to map 8-bit registers). Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5500 c046a42c-6fe2-441c-8c8c-71466251a162
* gdbstub: remove unused local variableaurel322008-10-141-2/+0
| | | | | | | Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5489 c046a42c-6fe2-441c-8c8c-71466251a162
* CRIS: Handle GDB writes to pregs.edgar_igl2008-10-111-2/+6
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5461 c046a42c-6fe2-441c-8c8c-71466251a162
* Add GDB XML register description support.pbrook2008-10-111-602/+872
| | | | | | | Signed-off-by: Paul Brook <paul@codesourcery.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5459 c046a42c-6fe2-441c-8c8c-71466251a162
* Move the active FPU registers into env again, and use more TCG registersths2008-09-181-8/+8
| | | | | | | | | to access them. Signed-off-by: Thiemo Seufer <ths@networkno.de> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5252 c046a42c-6fe2-441c-8c8c-71466251a162
* Fix warnings that would be caused by gcc flag -Wwrite-stringsblueswir12008-09-141-2/+2
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5206 c046a42c-6fe2-441c-8c8c-71466251a162
* Fix OpenBSD linker warningsblueswir12008-08-211-14/+15
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5044 c046a42c-6fe2-441c-8c8c-71466251a162
* More efficient target register / TC accesses.ths2008-06-271-10/+10
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4794 c046a42c-6fe2-441c-8c8c-71466251a162
* Clean up MMIO TLB handling.pbrook2008-06-091-8/+24
| | | | | | | | | | The IO index is now stored in its own field, instead of being wedged into the vaddr field. This eliminates the ROMD and watchpoint host pointer weirdness. The IO index space is expanded by 1 bit, and several additional bits are made available in the TLB vaddr field. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4704 c046a42c-6fe2-441c-8c8c-71466251a162
* Fix Sparc32plus GDBstub supportblueswir12008-06-071-25/+39
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4689 c046a42c-6fe2-441c-8c8c-71466251a162
* Support signal reception in user-mode. Handle when the peer terminates or ↵edgar_igl2008-05-171-6/+19
| | | | | | aborts the connection. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4483 c046a42c-6fe2-441c-8c8c-71466251a162
* Add support for the 'k' (kill) and 'D' (detach) packets (Jason Wessel).edgar_igl2008-05-171-0/+17
| | | | | | | | | | | | | | | | | | | | Implement the 'k' gdbserial packet which kills the qemu instance via the debugger stub. Implement the 'D' detach packet for the gdb stub such that you can disconnect gdb with the "detach" command. This required implementing a cpu_breakpoint_remove_all() and a cpu_watchpoint_remove_all() function to cleanup all the breakpoints and watchpoints prior to leaving the gdb stub else simulation can stop with no debugger attached. On a '?' packet remove all the breakpoints and watchpoints. This is considered more of a safety net in case you force killed gdb or it crashed and you are reconnecting. The identical behavior exists for kgdb in the linux kernel. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4478 c046a42c-6fe2-441c-8c8c-71466251a162
* x86_64 and better i386 supportbellard2008-05-091-86/+147
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4394 c046a42c-6fe2-441c-8c8c-71466251a162
* Remove x86-64 specific reg fillers.edgar_igl2008-05-091-134/+1
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4392 c046a42c-6fe2-441c-8c8c-71466251a162
* Debugger single step without interrupts (Jason Wessel).edgar_igl2008-05-091-5/+34
| | | | | | | | This patch allows the qemu backend debugger to single step an instruction without running the hardware interrupts. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4391 c046a42c-6fe2-441c-8c8c-71466251a162
* Add x86_64 gdb stub for qemu (Jason Wessel).edgar_igl2008-05-091-1/+133
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4390 c046a42c-6fe2-441c-8c8c-71466251a162
* Improve readability by moving the continue operation into aseparate function.edgar_igl2008-03-141-15/+13
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4059 c046a42c-6fe2-441c-8c8c-71466251a162
* More consistent naming for CRIS register-number macros.edgar_igl2008-02-281-1/+1
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3996 c046a42c-6fe2-441c-8c8c-71466251a162
* Make MIPS MT implementation more cache friendly.ths2008-02-121-6/+6
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3981 c046a42c-6fe2-441c-8c8c-71466251a162
* Fix char* signedness, by Andre Przywara.ths2007-12-161-2/+2
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3816 c046a42c-6fe2-441c-8c8c-71466251a162
* Fix wrong signedness, by Andre Przywara.ths2007-12-161-7/+7
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3815 c046a42c-6fe2-441c-8c8c-71466251a162
* Break up vl.h.pbrook2007-11-171-1/+4
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3674 c046a42c-6fe2-441c-8c8c-71466251a162
* Fix format mismatch.pbrook2007-11-111-1/+2
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3589 c046a42c-6fe2-441c-8c8c-71466251a162
* x86_64 support in cpu_gdb_read_registers(), by Goran Weinholt.balrog2007-10-311-1/+49
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3491 c046a42c-6fe2-441c-8c8c-71466251a162
* Gprof prooved the PowerPC emulation spent too much time in MSR load and storej_mayer2007-10-251-2/+2
| | | | | | | | | | | | routines. Coming back to a raw MSR storage model then speed-up the emulation. Improve fast MSR updates (wrtee wrteei and mtriee cases). Share rfi family instructions helpers code to avoid bug in duplicated code. Allow entering halt mode as the result of a rfi instruction. Add a new helper_regs.h file to avoid duplication of special registers manipulation routines (currently XER and MSR). git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3436 c046a42c-6fe2-441c-8c8c-71466251a162
* Fix gdb stub for MIPS64.ths2007-10-251-11/+28
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3435 c046a42c-6fe2-441c-8c8c-71466251a162
* CRIS support in toplevel, by Edgar E. Iglesias.ths2007-10-081-1/+65
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3363 c046a42c-6fe2-441c-8c8c-71466251a162
* find -type f | xargs sed -i 's/[\t ]*$//g' # Yes, again. Note the star in ↵ths2007-09-171-3/+3
| | | | | | the regex. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3177 c046a42c-6fe2-441c-8c8c-71466251a162
* find -type f | xargs sed -i 's/[\t ]$//g' # on most filesths2007-09-161-6/+6
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3173 c046a42c-6fe2-441c-8c8c-71466251a162
* Partial support for 34K multithreading, not functional yet.ths2007-09-061-17/+17
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3156 c046a42c-6fe2-441c-8c8c-71466251a162
* Ensure string is properly terminated.pbrook2007-08-061-0/+1
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3113 c046a42c-6fe2-441c-8c8c-71466251a162
* Improve handling of gdb's single-step / continue arguments.ths2007-07-121-3/+7
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3075 c046a42c-6fe2-441c-8c8c-71466251a162
* Spelling fixes, by Stefan Weil.ths2007-07-111-3/+3
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3066 c046a42c-6fe2-441c-8c8c-71466251a162
* Report normalised CWP values to userland and GDB, not internal representationblueswir12007-07-071-2/+12
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3052 c046a42c-6fe2-441c-8c8c-71466251a162
* Proper target format for qOffsets.ths2007-06-031-2/+5
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2934 c046a42c-6fe2-441c-8c8c-71466251a162
* GDB stub for MIPS64, by Jason Wessel.ths2007-06-011-40/+40
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2909 c046a42c-6fe2-441c-8c8c-71466251a162
* M68k system mode semihosting.pbrook2007-05-261-2/+11
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2861 c046a42c-6fe2-441c-8c8c-71466251a162