authorgravatar for kubkon@jakubkonka.comJakub Konka <kubkon@jakubkonka.com> 2022-12-08 11:22:16+01:00
committergravatar for kubkon@jakubkonka.comJakub Konka <kubkon@jakubkonka.com> 2022-12-09 09:24:25+01:00
logaa2f48f013c9a1f4847d49d85be82ece138190ea
tree2280526575151ec16e9d99e897229d2a407cd288
parentfa44c73c1efe2dae62c80a7785b496d83ddac8d1

dsym: reuse growSection where possible

2 files changed, 10 insertions(+), 19 deletions(-)

src/link/Dwarf.zig+4-1
......@@ -2569,7 +2569,10 @@ fn addDIFile(self: *Dwarf, mod: *Module, decl_index: Module.Decl.Index) !u28 {
25692569 if (!gop.found_existing) {
25702570 switch (self.bin_file.tag) {
25712571 .elf => self.bin_file.cast(File.Elf).?.debug_line_header_dirty = true,
2572 .macho => self.bin_file.cast(File.MachO).?.d_sym.?.debug_line_header_dirty = true,
2572 .macho => {
2573 const d_sym = self.bin_file.cast(File.MachO).?.getDebugSymbols().?;
2574 d_sym.markDirty(d_sym.debug_line_section_index.?);
2575 },
25732576 .wasm => {},
25742577 else => unreachable,
25752578 }
src/link/MachO/DebugSymbols.zig+6-18
......@@ -169,6 +169,7 @@ pub fn growSection(self: *DebugSymbols, sect_index: u8, needed_size: u32) !void
169169 existing_size,
170170 );
171171 if (amt != existing_size) return error.InputOutput;
172
172173 sect.offset = @intCast(u32, new_offset);
173174 }
174175
......@@ -283,24 +284,11 @@ pub fn flushModule(self: *DebugSymbols, macho_file: *MachO) !void {
283284 }
284285
285286 {
286 const debug_strtab_sect = &self.sections.items[self.debug_str_section_index.?];
287 if (self.debug_string_table_dirty or self.dwarf.strtab.items.len != debug_strtab_sect.size) {
288 const allocated_size = self.allocatedSize(debug_strtab_sect.offset);
289 const needed_size = self.dwarf.strtab.items.len;
290
291 if (needed_size > allocated_size) {
292 debug_strtab_sect.size = 0; // free the space
293 const new_offset = self.findFreeSpace(needed_size, 1);
294 debug_strtab_sect.offset = @intCast(u32, new_offset);
295 }
296 debug_strtab_sect.size = @intCast(u32, needed_size);
297
298 log.debug("__debug_strtab start=0x{x} end=0x{x}", .{
299 debug_strtab_sect.offset,
300 debug_strtab_sect.offset + needed_size,
301 });
302
303 try self.file.pwriteAll(self.dwarf.strtab.items, debug_strtab_sect.offset);
287 const sect_index = self.debug_str_section_index.?;
288 if (self.debug_string_table_dirty or self.dwarf.strtab.items.len != self.getSection(sect_index).size) {
289 const needed_size = @intCast(u32, self.dwarf.strtab.items.len);
290 try self.growSection(sect_index, needed_size);
291 try self.file.pwriteAll(self.dwarf.strtab.items, self.getSection(sect_index).offset);
304292 self.debug_string_table_dirty = false;
305293 }
306294 }