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For Darwin's GetTaskInfoMaxAddress, define the real structure with real fields to avoid confusion. NFC. 

llvm-svn: 307945
This commit is contained in:
Kuba Mracek 2017-07-13 20:02:45 +00:00
parent 055e65f0d4
commit f0c652a52e
1 changed files with 26 additions and 5 deletions
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31
compiler-rt/lib/sanitizer_common/sanitizer_mac.cc
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@ -805,14 +805,35 @@ char **GetArgv() {
// fields only available in 10.12+. Declare the struct manually to be able to
// build against older SDKs.
struct __sanitizer_task_vm_info {
uptr _unused[(SANITIZER_WORDSIZE == 32) ? 20 : 19];
uptr min_address;
uptr max_address;
mach_vm_size_t virtual_size;
integer_t region_count;
integer_t page_size;
mach_vm_size_t resident_size;
mach_vm_size_t resident_size_peak;
mach_vm_size_t device;
mach_vm_size_t device_peak;
mach_vm_size_t internal;
mach_vm_size_t internal_peak;
mach_vm_size_t external;
mach_vm_size_t external_peak;
mach_vm_size_t reusable;
mach_vm_size_t reusable_peak;
mach_vm_size_t purgeable_volatile_pmap;
mach_vm_size_t purgeable_volatile_resident;
mach_vm_size_t purgeable_volatile_virtual;
mach_vm_size_t compressed;
mach_vm_size_t compressed_peak;
mach_vm_size_t compressed_lifetime;
mach_vm_size_t phys_footprint;
mach_vm_address_t min_address;
mach_vm_address_t max_address;
};
#define __SANITIZER_TASK_VM_INFO_COUNT ((mach_msg_type_number_t) \
(sizeof(__sanitizer_task_vm_info) / sizeof(natural_t)))
uptr GetTaskInfoMaxAddress() {
__sanitizer_task_vm_info vm_info = {{0}, 0, 0};
mach_msg_type_number_t count = sizeof(vm_info) / sizeof(int);
__sanitizer_task_vm_info vm_info = {};
mach_msg_type_number_t count = __SANITIZER_TASK_VM_INFO_COUNT;
int err = task_info(mach_task_self(), TASK_VM_INFO, (int *)&vm_info, &count);
if (err == 0) {
return vm_info.max_address - 1;