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06668850e3
Commit 57cb38b included qapi/error.h into qemu/osdep.h to get the Error typedef. Since then, we've moved to include qemu/osdep.h everywhere. Its file comment explains: "To avoid getting into possible circular include dependencies, this file should not include any other QEMU headers, with the exceptions of config-host.h, compiler.h, os-posix.h and os-win32.h, all of which are doing a similar job to this file and are under similar constraints." qapi/error.h doesn't do a similar job, and it doesn't adhere to similar constraints: it includes qapi-types.h. That's in excess of 100KiB of crap most .c files don't actually need. Add the typedef to qemu/typedefs.h, and include that instead of qapi/error.h. Include qapi/error.h in .c files that need it and don't get it now. Include qapi-types.h in qom/object.h for uint16List. Update scripts/clean-includes accordingly. Update it further to match reality: replace config.h by config-target.h, add sysemu/os-posix.h, sysemu/os-win32.h. Update the list of includes in the qemu/osdep.h comment quoted above similarly. This reduces the number of objects depending on qapi/error.h from "all of them" to less than a third. Unfortunately, the number depending on qapi-types.h shrinks only a little. More work is needed for that one. Backports commit da34e65cb4025728566d6504a99916f6e7e1dd6a from qemu
104 lines
2.9 KiB
C
104 lines
2.9 KiB
C
/*
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* os-win32.c
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*
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* Copyright (c) 2003-2008 Fabrice Bellard
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* Copyright (c) 2010 Red Hat, Inc.
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*
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* QEMU library functions for win32 which are shared between QEMU and
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* the QEMU tools.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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*/
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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include <winsock2.h>
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#include <windows.h>
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#include "sysemu/sysemu.h"
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/* this must come after including "trace.h" */
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/* The pragmas are to fix this issue: https://connect.microsoft.com/VisualStudio/feedback/details/976983 */
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#pragma warning(push)
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#pragma warning(disable : 4091)
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#include <shlobj.h>
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#pragma warning(pop)
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void *qemu_oom_check(void *ptr)
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{
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if (ptr == NULL) {
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fprintf(stderr, "Failed to allocate memory: %lu\n", GetLastError());
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abort();
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}
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return ptr;
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}
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void *qemu_try_memalign(size_t alignment, size_t size)
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{
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void *ptr;
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if (!size) {
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abort();
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}
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ptr = VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE);
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// trace_qemu_memalign(alignment, size, ptr);
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return ptr;
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}
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void *qemu_memalign(size_t alignment, size_t size)
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{
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return qemu_oom_check(qemu_try_memalign(alignment, size));
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}
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void *qemu_anon_ram_alloc(size_t size, uint64_t *align)
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{
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void *ptr;
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/* FIXME: this is not exactly optimal solution since VirtualAlloc
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has 64Kb granularity, but at least it guarantees us that the
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memory is page aligned. */
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ptr = VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE);
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// trace_qemu_anon_ram_alloc(size, ptr);
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return ptr;
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}
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void qemu_vfree(void *ptr)
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{
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// trace_qemu_vfree(ptr);
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if (ptr) {
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VirtualFree(ptr, 0, MEM_RELEASE);
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}
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}
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void qemu_anon_ram_free(void *ptr, size_t size)
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{
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// trace_qemu_anon_ram_free(ptr, size);
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if (ptr) {
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VirtualFree(ptr, 0, MEM_RELEASE);
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}
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}
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int getpagesize(void)
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{
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SYSTEM_INFO system_info;
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GetSystemInfo(&system_info);
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return system_info.dwPageSize;
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}
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