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NO WONDER WHY IT CRASHES ON ANDROID?? sob

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lizzie
2026-08-29 06:41:10 +00:00
parent ea41c3e731
commit 99a926829a
1 changed files with 5 additions and 4 deletions
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src/common/host_memory.cpp
+5 -4
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@@ -588,8 +588,9 @@ public:
if (True(perms & MemoryPermission::Execute)) if (True(perms & MemoryPermission::Execute))
prot_flags |= PROT_EXEC; prot_flags |= PROT_EXEC;
#endif #endif
int ret = mprotect(virtual_base + virtual_offset, length, prot_flags); int flags = (fd >= 0 ? MAP_SHARED : MAP_PRIVATE) | MAP_FIXED;
ASSERT_MSG(ret == 0, "mprotect: {} {}", strerror(errno), fd); void* ret = mmap(virtual_base + virtual_offset, length, prot_flags, flags, fd, host_offset);
ASSERT_MSG(ret != MAP_FAILED, "mmap: {} {}", strerror(errno), fd);
} }
void Unmap(size_t virtual_offset, size_t length) { void Unmap(size_t virtual_offset, size_t length) {
@@ -603,8 +604,8 @@ public:
auto [merged_pointer, merged_size] = auto [merged_pointer, merged_size] =
free_manager.FreeBlock(virtual_base + virtual_offset, length); free_manager.FreeBlock(virtual_base + virtual_offset, length);
int ret = mprotect(merged_pointer, merged_size, PROT_NONE); void* ret = mmap(merged_pointer, merged_size, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, -1, 0);
ASSERT_MSG(ret == 0, "mmap: {}", strerror(errno)); ASSERT_MSG(ret != MAP_FAILED, "mmap: {}", strerror(errno));
} }
void Protect(size_t virtual_offset, size_t length, bool read, bool write, bool execute) { void Protect(size_t virtual_offset, size_t length, bool read, bool write, bool execute) {