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[memory] nuke HeapTracker, use mprotect() for mappings instead

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Signed-off-by: lizzie <lizzie@eden-emu.dev>
This commit is contained in:
lizzie
2026-04-01 17:55:13 +00:00
parent 5b86242313
commit 87f9d6d5d0
7 changed files with 39 additions and 451 deletions
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src/common/host_memory.cpp
+4 -5
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@@ -588,9 +588,8 @@ public:
if (True(perms & MemoryPermission::Execute))
prot_flags |= PROT_EXEC;
#endif
int flags = (fd >= 0 ? MAP_SHARED : MAP_PRIVATE) | MAP_FIXED;
void* ret = mmap(virtual_base + virtual_offset, length, prot_flags, flags, fd, host_offset);
ASSERT_MSG(ret != MAP_FAILED, "mmap: {} {}", strerror(errno), fd);
int ret = mprotect(virtual_base + virtual_offset, length, prot_flags);
ASSERT_MSG(ret == 0, "mprotect: {} {}", strerror(errno), fd);
}
void Unmap(size_t virtual_offset, size_t length) {
@@ -604,8 +603,8 @@ public:
auto [merged_pointer, merged_size] =
free_manager.FreeBlock(virtual_base + virtual_offset, length);
void* ret = mmap(merged_pointer, merged_size, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, -1, 0);
ASSERT_MSG(ret != MAP_FAILED, "mmap: {}", strerror(errno));
int ret = mprotect(merged_pointer, merged_size, PROT_NONE);
ASSERT_MSG(ret == 0, "mmap: {}", strerror(errno));
}
void Protect(size_t virtual_offset, size_t length, bool read, bool write, bool execute) {