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dart: Fix parsing of variable lenght "vm-base" property

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Signed-off-by: Janne Grunau <j@jannau.net>
This commit is contained in:
Janne Grunau 2024-05-18 00:08:17 +02:00 committed by Hector Martin
parent dfffdf6609
commit 56feda2b5e
1 changed files with 16 additions and 3 deletions
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19
src/dart.c
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@ -320,9 +320,22 @@ dart_dev_t *dart_init_adt(const char *path, int instance, int device, bool keep_
dart->l1[i]);
}
}
if (ADT_GETPROP(adt, node, "vm-base", &dart->vm_base) < 0)
dart->vm_base = 0;
else
u32 len;
const void *prop = adt_getprop(adt, node, "vm-base", &len);
if (prop) {
if (len == sizeof(u32)) {
u32 tmp;
memcpy(&tmp, prop, sizeof(tmp));
dart->vm_base = tmp;
} else if (len == sizeof(u64)) {
u64 tmp;
memcpy(&tmp, prop, sizeof(tmp));
dart->vm_base = tmp;
} else {
printf("dart: unexpected length of vm-base property: %u\n", len);
}
}
if (dart->locked)
dart->vm_base &= (1LLU << 36) - 1;
return dart;