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dsym: reuse growSection where possible

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This commit is contained in:
Jakub Konka 2022-12-08 11:22:16 +01:00
parent fa44c73c1e
commit aa2f48f013
2 changed files with 10 additions and 19 deletions
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5
src/link/Dwarf.zig
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@ -2569,7 +2569,10 @@ fn addDIFile(self: *Dwarf, mod: *Module, decl_index: Module.Decl.Index) !u28 {
if (!gop.found_existing) {
switch (self.bin_file.tag) {
.elf => self.bin_file.cast(File.Elf).?.debug_line_header_dirty = true,
.macho => self.bin_file.cast(File.MachO).?.d_sym.?.debug_line_header_dirty = true,
.macho => {
const d_sym = self.bin_file.cast(File.MachO).?.getDebugSymbols().?;
d_sym.markDirty(d_sym.debug_line_section_index.?);
},
.wasm => {},
else => unreachable,
}

24
src/link/MachO/DebugSymbols.zig
View File

@ -169,6 +169,7 @@ pub fn growSection(self: *DebugSymbols, sect_index: u8, needed_size: u32) !void
existing_size,
);
if (amt != existing_size) return error.InputOutput;
sect.offset = @intCast(u32, new_offset);
}
@ -283,24 +284,11 @@ pub fn flushModule(self: *DebugSymbols, macho_file: *MachO) !void {
}
{
const debug_strtab_sect = &self.sections.items[self.debug_str_section_index.?];
if (self.debug_string_table_dirty or self.dwarf.strtab.items.len != debug_strtab_sect.size) {
const allocated_size = self.allocatedSize(debug_strtab_sect.offset);
const needed_size = self.dwarf.strtab.items.len;
if (needed_size > allocated_size) {
debug_strtab_sect.size = 0; // free the space
const new_offset = self.findFreeSpace(needed_size, 1);
debug_strtab_sect.offset = @intCast(u32, new_offset);
}
debug_strtab_sect.size = @intCast(u32, needed_size);
log.debug("__debug_strtab start=0x{x} end=0x{x}", .{
debug_strtab_sect.offset,
debug_strtab_sect.offset + needed_size,
});
try self.file.pwriteAll(self.dwarf.strtab.items, debug_strtab_sect.offset);
const sect_index = self.debug_str_section_index.?;
if (self.debug_string_table_dirty or self.dwarf.strtab.items.len != self.getSection(sect_index).size) {
const needed_size = @intCast(u32, self.dwarf.strtab.items.len);
try self.growSection(sect_index, needed_size);
try self.file.pwriteAll(self.dwarf.strtab.items, self.getSection(sect_index).offset);
self.debug_string_table_dirty = false;
}
}