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dump: Simplify compiling win_dump.o by introducing win_dump_available() 

To make dump.c less target dependent, move the TARGET_X86_64 #ifdef'ry
from dump.c to win_dump.c (introducing a win_dump_available() method
there). By doing so we can build win_dump.c on any target, and
simplify the meson rule.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20230225094903.53167-5-philmd@linaro.org>
master
Philippe Mathieu-Daudé 2023-02-23 23:58:16 +01:00
parent ac978771e4
commit efc3146a6e
4 changed files with 27 additions and 12 deletions
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16
dump/dump.c
View File

@ -28,10 +28,7 @@
#include "hw/misc/vmcoreinfo.h"
#include "migration/blocker.h"
#include "hw/core/cpu.h"
#ifdef TARGET_X86_64
#include "win_dump.h"
#endif
#include <zlib.h>
#ifdef CONFIG_LZO
@ -2126,12 +2123,10 @@ void qmp_dump_guest_memory(bool paging, const char *file,
}
#endif
#ifndef TARGET_X86_64
if (has_format && format == DUMP_GUEST_MEMORY_FORMAT_WIN_DMP) {
error_setg(errp, "Windows dump is only available for x86-64");
if (has_format && format == DUMP_GUEST_MEMORY_FORMAT_WIN_DMP
&& !win_dump_available(errp)) {
return;
}
#endif
#if !defined(WIN32)
if (strstart(file, "fd:", &p)) {
@ -2213,10 +2208,9 @@ DumpGuestMemoryCapability *qmp_query_dump_guest_memory_capability(Error **errp)
QAPI_LIST_APPEND(tail, DUMP_GUEST_MEMORY_FORMAT_KDUMP_SNAPPY);
#endif
/* Windows dump is available only if target is x86_64 */
#ifdef TARGET_X86_64
QAPI_LIST_APPEND(tail, DUMP_GUEST_MEMORY_FORMAT_WIN_DMP);
#endif
if (win_dump_available(NULL)) {
QAPI_LIST_APPEND(tail, DUMP_GUEST_MEMORY_FORMAT_WIN_DMP);
}
return cap;
}

2
dump/meson.build
View File

@ -1,4 +1,4 @@
softmmu_ss.add(files('dump-hmp-cmds.c'))
specific_ss.add(when: 'CONFIG_SOFTMMU', if_true: [files('dump.c'), snappy, lzo])
specific_ss.add(when: ['CONFIG_SOFTMMU', 'TARGET_X86_64'], if_true: files('win_dump.c'))
specific_ss.add(when: 'CONFIG_SOFTMMU', if_true: files('win_dump.c'))

18
dump/win_dump.c
View File

@ -18,6 +18,13 @@
#include "win_dump.h"
#include "cpu.h"
#if defined(TARGET_X86_64)
bool win_dump_available(Error **errp)
{
return true;
}
static size_t win_dump_ptr_size(bool x64)
{
return x64 ? sizeof(uint64_t) : sizeof(uint32_t);
@ -470,3 +477,14 @@ out_cr3:
return;
}
#else /* !TARGET_X86_64 */
bool win_dump_available(Error **errp)
{
error_setg(errp, "Windows dump is only available for x86-64");
return false;
}
#endif

3
dump/win_dump.h
View File

@ -13,6 +13,9 @@
#include "sysemu/dump.h"
/* Check Windows dump availability for the current target */
bool win_dump_available(Error **errp);
void create_win_dump(DumpState *s, Error **errp);
#endif /* WIN_DUMP_H */