diff options
Diffstat (limited to 'osdep.c')
-rw-r--r-- | osdep.c | 24 |
1 files changed, 18 insertions, 6 deletions
@@ -50,6 +50,7 @@ #endif #include "qemu-common.h" +#include "trace.h" #include "sysemu.h" #include "qemu_socket.h" @@ -71,25 +72,34 @@ static void *oom_check(void *ptr) #if defined(_WIN32) void *qemu_memalign(size_t alignment, size_t size) { + void *ptr; + if (!size) { abort(); } - return oom_check(VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE)); + ptr = oom_check(VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE)); + trace_qemu_memalign(alignment, size, ptr); + return ptr; } void *qemu_vmalloc(size_t size) { + void *ptr; + /* FIXME: this is not exactly optimal solution since VirtualAlloc has 64Kb granularity, but at least it guarantees us that the memory is page aligned. */ if (!size) { abort(); } - return oom_check(VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE)); + ptr = oom_check(VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE)); + trace_qemu_vmalloc(size, ptr); + return ptr; } void qemu_vfree(void *ptr) { + trace_qemu_vfree(ptr); VirtualFree(ptr, 0, MEM_RELEASE); } @@ -97,21 +107,22 @@ void qemu_vfree(void *ptr) void *qemu_memalign(size_t alignment, size_t size) { + void *ptr; #if defined(_POSIX_C_SOURCE) && !defined(__sun__) int ret; - void *ptr; ret = posix_memalign(&ptr, alignment, size); if (ret != 0) { fprintf(stderr, "Failed to allocate %zu B: %s\n", size, strerror(ret)); abort(); } - return ptr; #elif defined(CONFIG_BSD) - return oom_check(valloc(size)); + ptr = oom_check(valloc(size)); #else - return oom_check(memalign(alignment, size)); + ptr = oom_check(memalign(alignment, size)); #endif + trace_qemu_memalign(alignment, size, ptr); + return ptr; } /* alloc shared memory pages */ @@ -122,6 +133,7 @@ void *qemu_vmalloc(size_t size) void qemu_vfree(void *ptr) { + trace_qemu_vfree(ptr); free(ptr); } |