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82ca8e4696
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Eric Blake 82ca8e4696 qapi: Share gen_visit_fields() 
Consolidate the code between visit, command marshalling, and
event generation that iterates over the members of a struct.
It reduces code duplication in the generator, so that a future
patch can reduce the size of generated code while touching only
one instead of three locations.

There are no changes to the generated marshal code.

The visitor code becomes slightly more verbose, but remains
semantically equivalent, and is actually easier to read as
it follows a more common idiom:

|     visit_optional(v, &(*obj)->has_device, "device", &err);
|-    if (!err && (*obj)->has_device) {
|-        visit_type_str(v, &(*obj)->device, "device", &err);
|-    }
|     if (err) {
|         goto out;
|     }
|+    if ((*obj)->has_device) {
|+        visit_type_str(v, &(*obj)->device, "device", &err);
|+        if (err) {
|+            goto out;
|+        }
|+    }

The event code becomes slightly more verbose, but this is
arguably a bug fix: although the visitors are not well
documented, use of an optional member should not be attempted
unless guarded by a prior call to visit_optional().  Works only
because the output qmp visitor has a no-op visit_optional():

|+    visit_optional(v, &has_offset, "offset", &err);
|+    if (err) {
|+        goto out;
|+    }
|     if (has_offset) {
|         visit_type_int(v, &offset, "offset", &err);

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1443565276-4535-17-git-send-email-eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2015-10-12 18:46:50 +02:00
audio ossaudio: fix memory leak 2015-07-08 13:11:01 +02:00
backends qemu-char: Use g_new() & friends where that makes obvious sense 2015-09-16 17:33:33 +02:00
block block: switch from g_slice allocator to malloc 2015-10-12 11:17:45 +01:00
bsd-user s/cpu_get_real_ticks/cpu_get_host_ticks/ 2015-10-08 19:46:01 +03:00
crypto crypto: introduce new module for handling TLS sessions 2015-09-15 15:07:43 +01:00
default-configs icc_bus: drop the unused files 2015-10-02 16:22:02 -03:00
disas disas/cris: Fix typo in comment 2015-10-01 17:24:02 -07:00
docs qapi: Consistent generated code: prefer visitor 'v' 2015-10-12 18:46:49 +02:00
dtc@65cc4d2748 dtc: Update dtc / libfdt submodule to version 1.4.0 2015-06-03 23:56:49 +02:00
fpu target-s390x: define default NaN values 2015-06-05 01:37:58 +02:00
fsdev maint: remove unused include for dirent.h 2015-09-11 10:21:38 +03:00
gdb-xml s390x/gdb: expose virtualization specific registers 2015-10-02 13:31:52 +02:00
hw Pull request 2015-10-12 15:52:54 +01:00
include Pull request 2015-10-12 15:52:54 +01:00
libdecnumber typofixes - v4 2015-09-11 10:45:43 +03:00
linux-headers vhost: rename VHOST_RESET_OWNER to VHOST_RESET_DEVICE 2015-09-24 16:27:52 +03:00
linux-user linux-user: Remove type casts to union type 2015-10-08 19:46:47 +03:00
migration migration: Disambiguate MAX_THROTTLE 2015-09-30 09:42:04 +02:00
net netfilter: add a netbuffer filter 2015-10-12 13:31:28 +08:00
pc-bios pc-bios/s390-ccw: avoid floating point operations 2015-10-02 13:31:52 +02:00
pixman@87eea99e44 pixman: update internal copy to pixman-0.32.6 2014-09-15 08:14:19 +02:00
po Update language files for QEMU 2.4.0 2015-09-11 10:21:38 +03:00
qapi qapi: add missing @ 2015-10-08 19:46:47 +03:00
qga typofixes - v4 2015-09-11 10:45:43 +03:00
qobject Include qapi/qmp/qerror.h exactly where needed 2015-06-22 18:20:41 +02:00
qom qapi: Consistent generated code: prefer visitor 'v' 2015-10-12 18:46:49 +02:00
roms pseries: Update SLOF firmware image to qemu-slof-20150813 2015-09-23 10:51:09 +10:00
scripts qapi: Share gen_visit_fields() 2015-10-12 18:46:50 +02:00
slirp slirp: Fix non blocking connect for w32 2015-09-24 20:52:28 +02:00
stubs monitor: remove target-specific code from monitor.c 2015-09-16 17:33:32 +02:00
target-alpha qdev: Protect device-list-properties against broken devices 2015-10-09 15:25:57 +02:00
target-arm qdev: Protect device-list-properties against broken devices 2015-10-09 15:25:57 +02:00
target-cris qdev: Protect device-list-properties against broken devices 2015-10-09 15:25:57 +02:00
target-i386 qdev: Protect device-list-properties against broken devices 2015-10-09 15:25:57 +02:00
target-lm32 qdev: Protect device-list-properties against broken devices 2015-10-09 15:25:57 +02:00
target-m68k qdev: Protect device-list-properties against broken devices 2015-10-09 15:25:57 +02:00
target-microblaze qdev: Protect device-list-properties against broken devices 2015-10-09 15:25:57 +02:00
target-mips qdev: Protect device-list-properties against broken devices 2015-10-09 15:25:57 +02:00
target-moxie qdev: Protect device-list-properties against broken devices 2015-10-09 15:25:57 +02:00
target-openrisc qdev: Protect device-list-properties against broken devices 2015-10-09 15:25:57 +02:00
target-ppc qdev: Protect device-list-properties against broken devices 2015-10-09 15:25:57 +02:00
target-s390x qdev: Protect device-list-properties against broken devices 2015-10-09 15:25:57 +02:00
target-sh4 qdev: Protect device-list-properties against broken devices 2015-10-09 15:25:57 +02:00
target-sparc qdev: Protect device-list-properties against broken devices 2015-10-09 15:25:57 +02:00
target-tilegx qdev: Protect device-list-properties against broken devices 2015-10-09 15:25:57 +02:00
target-tricore qdev: Protect device-list-properties against broken devices 2015-10-09 15:25:57 +02:00
target-unicore32 qdev: Protect device-list-properties against broken devices 2015-10-09 15:25:57 +02:00
target-xtensa qdev: Protect device-list-properties against broken devices 2015-10-09 15:25:57 +02:00
tcg tcg: Check for overflow via highwater mark 2015-10-07 20:36:53 +11:00
tests qapi: Reuse code for flat union base validation 2015-10-12 18:46:49 +02:00
trace Remove superfluous '\n' around error_report() 2015-03-10 08:15:33 +03:00
ui gtk/opengl: add opengl context and scanout support (GtkGLArea) 2015-10-08 10:34:53 +02:00
util oslib: allocate PROT_NONE pages on top of RAM 2015-10-01 16:16:52 +03:00
.dir-locals.el Add .dir-locals.el file to configure emacs coding style 2015-10-08 19:46:01 +03:00
.exrc qemu: add .exrc 2012-09-07 09:02:44 +03:00
.gitignore libcacard: use the standalone project 2015-09-23 23:34:17 +02:00
.gitmodules PPC: Add u-boot firmware for e500 2014-06-16 13:24:35 +02:00
.mailmap Update mailmap 2013-09-05 09:40:31 -05:00
.travis.yml .travis.yml: Run make check for all targets, not just some 2015-10-08 19:46:47 +03:00
accel.c accel: Create accel object when initializing machine 2014-10-09 15:36:14 +02:00
aio-posix.c AioContext: optimize clearing the EventNotifier 2015-07-22 12:41:40 +01:00
aio-win32.c AioContext: optimize clearing the EventNotifier 2015-07-22 12:41:40 +01:00
arch_init.c smbios: move smbios code into a common folder 2015-08-13 14:08:30 +03:00
async.c AioContext: force event loop iteration using BH 2015-07-29 10:02:06 +01:00
balloon.c Include monitor/monitor.h exactly where needed 2015-06-22 18:20:41 +02:00
block.c block: disable I/O limits at the beginning of bdrv_close() 2015-10-02 13:48:29 +02:00
blockdev-nbd.c Include monitor/monitor.h exactly where needed 2015-06-22 18:20:41 +02:00
blockdev.c block: Drop drv parameter from bdrv_open() 2015-09-14 16:51:36 +02:00
blockjob.c blockjob: add block_job_release function 2015-07-07 14:27:14 +01:00
bootdevice.c misc: fix typos in copyright declaration 2015-03-26 14:21:43 +01:00
bt-host.c sysemu: avoid proliferation of include/ subdirectories 2013-04-15 18:19:25 +02:00
bt-vhci.c sysemu: avoid proliferation of include/ subdirectories 2013-04-15 18:19:25 +02:00
Changelog Use qemu-project.org domain name 2013-10-11 09:34:56 -07:00
CODING_STYLE CODING_STYLE: update mixed declaration rules 2015-09-09 15:34:54 +02:00
configure virtio-gpu: add 3d rendering support using virgl, misc fixes. 2015-10-09 17:30:03 +01:00
COPYING
COPYING.LIB
coroutine-gthread.c glib-compat.h: add new thread API emulation on top of pre-2.31 API 2014-06-10 07:44:01 +02:00
coroutine-sigaltstack.c coroutine-sigaltstack: Change jmp_buf to sigjmp_buf 2014-11-11 11:07:55 +03:00
coroutine-ucontext.c coroutine-ucontext: use __thread 2015-01-13 13:43:28 +00:00
coroutine-win32.c coroutine-win32.c: Add noinline attribute to work around gcc bug 2014-06-26 14:08:14 +01:00
cpu-exec-common.c cpu-exec: Migrate some generic fns to cpu-exec-common 2015-09-16 17:33:33 +02:00
cpu-exec.c i386: partial revert of interrupt poll fix 2015-09-25 12:04:44 +02:00
cpus.c s/cpu_get_real_ticks/cpu_get_host_ticks/ 2015-10-08 19:46:01 +03:00
cputlb.c cputlb: Change tlb_set_dirty() arg to cpu 2015-09-16 17:33:33 +02:00
device_tree.c device_tree: Fix a typo 2015-07-27 22:44:47 +03:00
device-hotplug.c pci-hotplug-old: Has been dead for five major releases, bury 2015-03-01 12:37:54 +01:00
disas.c monitor: make monitor_fprintf and mon_get_cpu externally visible 2015-09-25 12:04:42 +02:00
dma-helpers.c range: remove useless inclusions 2015-04-30 16:05:48 +03:00
dump.c Include qapi/qmp/qerror.h exactly where needed 2015-06-22 18:20:41 +02:00
exec.c exec: allocate PROT_NONE pages on top of RAM 2015-10-01 16:16:52 +03:00
gdbstub.c * Support for jemalloc 2015-09-14 16:13:16 +01:00
HACKING HACKING: Document vaddr type usage 2013-07-23 02:41:31 +02:00
hmp-commands-info.hx hmp: added io apic dump state 2015-09-25 12:04:42 +02:00
hmp-commands.hx monitor: allow device_del to accept QOM paths 2015-09-22 11:31:56 +02:00
hmp.c qmp/hmp: Add throttle ratio to query-migrate and info migrate 2015-09-30 09:42:04 +02:00
hmp.h hmp: add info iothreads command 2015-09-04 13:26:26 +02:00
iohandler.c iohandler: Use aio API 2015-09-07 18:14:03 +02:00
ioport.c - miscellaneous cleanups for TCG (Emilio) and NBD (Bogdan) 2015-04-30 12:04:11 +01:00
iothread.c rcu: actually register threads that have RCU read-side critical sections 2015-07-24 13:57:45 +02:00
kvm-all.c intc/gic: Extract some reusable vGIC code 2015-09-24 01:29:36 +01:00
kvm-stub.c kvm: some fixes to kvm_resamplefds_allowed 2015-07-06 12:15:14 -06:00
LICENSE vfio: move hw/misc/vfio.c to hw/vfio/pci.c Move vfio.h into include/hw/vfio 2014-12-19 15:24:06 -07:00
main-loop.c iohandler: Use aio API 2015-09-07 18:14:03 +02:00
MAINTAINERS MAINTAINERS: Specify QAPI include and test files 2015-10-12 18:44:53 +02:00
Makefile Makefile: fix build when VPATH is outside GIT tree 2015-09-25 12:04:41 +02:00
Makefile.objs libcacard: use the standalone project 2015-09-23 23:34:17 +02:00
Makefile.target * Linux header update and cleanup 2015-09-16 18:06:54 +01:00
memory_mapping.c memory_mapping: Rework cpu related includes 2015-06-26 16:00:50 +02:00
memory.c memory: allow destroying a non-empty MemoryRegion 2015-10-09 15:25:56 +02:00
module-common.c module: implement module loading 2014-02-20 13:14:18 +01:00
monitor.c monitor: make monitor_fprintf and mon_get_cpu externally visible 2015-09-25 12:04:42 +02:00
nbd.c nbd: release exp->blk after all clients are closed 2015-09-16 17:33:33 +02:00
numa.c Fix bad error handling after memory_region_init_ram() 2015-09-18 14:39:29 +02:00
os-posix.c rcu: do not create thread in pthread_atfork callback 2015-04-01 10:06:38 +02:00
os-win32.c maint: remove unused include for signal.h 2015-09-11 10:21:38 +03:00
page_cache.c maint: remove unused include for strings.h 2015-09-11 10:21:38 +03:00
qapi-schema.json init/cleanup of netfilter object 2015-10-12 13:23:40 +08:00
qdev-monitor.c -----BEGIN PGP SIGNATURE----- 2015-10-12 14:29:29 +01:00
qdict-test-data.txt
qemu-bridge-helper.c qemu-bridge-helper: Fix fd leak in main() 2014-06-27 10:39:10 +02:00
qemu-char.c qemu-char: Use g_new() & friends where that makes obvious sense 2015-09-16 17:33:33 +02:00
qemu-coroutine-io.c coroutine-io: Return -errno in case of error 2015-03-18 12:07:21 +01:00
qemu-coroutine-lock.c coroutine: remove unnecessary parentheses in qemu_co_queue_empty 2015-04-30 16:05:49 +03:00
qemu-coroutine-sleep.c coroutine: Drop co_sleep_ns 2014-08-29 10:46:58 +01:00
qemu-coroutine.c coroutine: Clean up qemu_coroutine_enter() 2015-03-09 11:11:59 +01:00
qemu-doc.texi monitor: added generation of documentation for hmp-commands-info.hx 2015-09-16 17:33:33 +02:00
qemu-ga.texi qga: start a man page 2015-09-01 13:16:26 -05:00
qemu-img-cmds.hx qemu-img: Add progress output for amend 2014-11-03 11:41:48 +00:00
qemu-img.c utils: rename strtosz to use qemu prefix 2015-09-25 12:04:41 +02:00
qemu-img.texi maint: remove / fix many doubled words 2015-09-11 10:21:38 +03:00
qemu-io-cmds.c utils: rename strtosz to use qemu prefix 2015-09-25 12:04:41 +02:00
qemu-io.c qemu-io: Remove duplicate 'open' error message 2015-09-14 16:51:36 +02:00
qemu-log.c qemu-log: Correct help text of 'log cpu_reset' 2015-02-10 09:27:20 +03:00
qemu-nbd.c qemu-nbd: convert to use the QAPI SocketAddress object 2015-09-25 12:04:40 +02:00
qemu-nbd.texi nbd: Miscellaneous typo fixes. 2014-05-24 00:07:29 +04:00
qemu-options-wrapper.h vl.c: In qemu -h output, only print options for the arch we are running as 2011-12-19 10:27:33 -06:00
qemu-options.h vl.c: Move option generation logic into a wrapper file 2011-12-19 10:27:33 -06:00
qemu-options.hx netfilter: add a netbuffer filter 2015-10-12 13:31:28 +08:00
qemu-seccomp.c seccomp: add mlockall to whitelist 2015-01-23 14:07:08 +01:00
qemu-tech.texi doc: Refresh URLs in the qemu-tech documentation 2015-09-25 12:20:21 +02:00
qemu-timer.c qemu-timer: initialize "timers_done_ev" to set 2015-07-22 12:41:32 +01:00
qemu.nsi nsis: Add QEMU version information to Windows registry 2015-09-24 20:52:28 +02:00
qemu.sasl sasl: Avoid 'Could not find keytab file' in syslog 2014-03-15 13:54:18 +04:00
qjson.c QJSON: Use OBJECT_CHECK 2015-05-11 08:59:07 -04:00
qmp-commands.hx monitor: allow device_del to accept QOM paths 2015-09-22 11:31:56 +02:00
qmp.c qdev: Protect device-list-properties against broken devices 2015-10-09 15:25:57 +02:00
qtest.c Init page sizes in qtest 2015-09-29 11:33:02 +05:30
README Use qemu-project.org domain name 2013-10-11 09:34:56 -07:00
rules.mak make: load only required dependency files. 2015-08-13 14:08:25 +03:00
softmmu_template.h softmmu: remove now unused functions 2015-09-11 08:16:05 -07:00
spice-qemu-char.c spice: fix spice_chr_add_watch() pre-condition 2015-05-29 09:56:01 +02:00
tcg-runtime.c tcg: Push tcg-runtime routines into exec/helper-* 2014-05-28 09:33:54 -07:00
tci.c tcg: Rename debug_insn_start to insn_start 2015-10-07 20:36:26 +11:00
thread-pool.c thread-pool: clean up thread_pool_completion_bh() 2015-04-28 15:36:09 +02:00
thunk.c linux-user: Allocate thunk size dynamically 2015-06-15 11:36:58 +03:00
tpm.c Include monitor/monitor.h exactly where needed 2015-06-22 18:20:41 +02:00
trace-events virtio-gpu: add 3d rendering support using virgl, misc fixes. 2015-10-09 17:30:03 +01:00
translate-all.c tcg: Check for overflow via highwater mark 2015-10-07 20:36:53 +11:00
translate-all.h translate-all: remove unnecessary argument to tb_invalidate_phys_range 2015-06-05 17:09:59 +02:00
translate-common.c translate: move real_host_page setting to -common 2015-09-16 17:33:33 +02:00
user-exec.c osdep.h: Remove qemu_printf 2015-08-19 16:29:53 +01:00
VERSION Open 2.5 development tree 2015-08-11 23:15:55 +01:00
version.rc Use qemu-project.org domain name 2013-10-11 09:34:56 -07:00
vl.c -----BEGIN PGP SIGNATURE----- 2015-10-12 14:29:29 +01:00
xen-common-stub.c accel: Move Xen registration code to xen-common.c 2014-10-04 08:59:15 +02:00
xen-common.c migration: Fix regression for xenfv and pc,accel=xen machine. 2015-08-03 16:13:40 +00:00
xen-hvm-stub.c pc: Remove redundant arguments from xen_hvm_init() 2015-09-10 11:05:40 +03:00
xen-hvm.c Fix bad error handling after memory_region_init_ram() 2015-09-18 14:39:29 +02:00
xen-mapcache.c maint: avoid useless "if (foo) free(foo)" pattern 2015-09-11 10:21:38 +03:00

README 

Read the documentation in qemu-doc.html or on http://wiki.qemu-project.org

- QEMU team