Commit c87e73b19f
Changed files (1)
src
link
src/link/Elf.zig
@@ -4623,18 +4623,6 @@ fn allocateAllocSectionsInFile(self: *Elf, base_offset: u64) void {
}
}
-fn allocateNonAllocSectionsInFile(self: *Elf, base_offset: u64) void {
- var offset = base_offset;
- var i: usize = 0;
- while (i < self.shdrs.items.len) : (i += 1) {
- const first = &self.shdrs.items[i];
- if (shdrIsAlloc(first) or first.sh_type == elf.SHT_NULL) continue;
- // Non-alloc sections don't need congruency with their allocated virtual memory addresses
- first.sh_offset = mem.alignForward(u64, offset, first.sh_addralign);
- offset = first.sh_offset + first.sh_size;
- }
-}
-
fn initAndAllocateSegments(self: *Elf) !void {
const ehsize: u64 = switch (self.ptr_width) {
.p32 => @sizeOf(elf.Elf32_Ehdr),
@@ -4658,13 +4646,16 @@ fn initAndAllocateSegments(self: *Elf) !void {
}
fn allocateNonAllocSections(self: *Elf) void {
- var off: u64 = 0;
- for (self.shdrs.items) |shdr| {
+ for (self.shdrs.items) |*shdr| {
if (shdr.sh_type == elf.SHT_NULL) continue;
- if (shdr.sh_flags & elf.SHF_ALLOC == 0) break;
- off = @max(off, shdr.sh_offset + shdr.sh_size);
+ if (shdr.sh_flags & elf.SHF_ALLOC != 0) continue;
+ const needed_size = shdr.sh_size;
+ if (needed_size > self.allocatedSize(shdr.sh_offset)) {
+ shdr.sh_size = 0;
+ shdr.sh_offset = self.findFreeSpace(needed_size, shdr.sh_addralign);
+ shdr.sh_size = needed_size;
+ }
}
- self.allocateNonAllocSectionsInFile(off);
}
fn allocateSpecialPhdrs(self: *Elf) void {