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elf: pre-allocate large VM capacity per segment

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This commit is contained in:
Jakub Konka 2023-09-26 13:54:31 +02:00
parent 1200a5a240
commit e178580d86
1 changed files with 2 additions and 5 deletions
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7
src/link/Elf.zig
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@ -426,7 +426,8 @@ pub fn allocateSegment(self: *Elf, opts: AllocateSegmentOpts) error{OutOfMemory}
const addr = blk: {
assert(self.phdr_table_load_index != null);
const phdr = &self.phdrs.items[index - 1];
break :blk mem.alignForward(u64, phdr.p_vaddr + phdr.p_memsz, opts.alignment);
const increased_size = padToIdeal(phdr.p_vaddr + phdr.p_memsz);
break :blk mem.alignForward(u64, increased_size, opts.alignment);
};
log.debug("allocating phdr({d})({c}{c}{c}) from 0x{x} to 0x{x} (0x{x} - 0x{x})", .{
index,
@ -1186,10 +1187,6 @@ pub fn flushModule(self: *Elf, comp: *Compilation, prog_node: *std.Progress.Node
// Scan and create missing synthetic entries such as GOT indirection.
try self.scanRelocs();
if (build_options.enable_logging) {
state_log.debug("{}", .{self.dumpState()});
}
// Allocate atoms parsed from input object files, followed by allocating
// linker-defined synthetic symbols.
try self.allocateObjects();