Commit bc39bddd5f
Changed files (3)
src
src/link/Elf/relocatable.zig
@@ -436,18 +436,18 @@ fn writeAtoms(elf_file: *Elf) !void {
log.debug("writing atoms in '{s}' section", .{elf_file.getShString(shdr.sh_name)});
// TODO really, really handle debug section separately
- const base_offset = if (elf_file.isDebugSection(@intCast(shndx))) blk: {
- const zo = elf_file.zigObjectPtr().?;
- break :blk for ([_]Symbol.Index{
- zo.debug_info_index.?,
- zo.debug_abbrev_index.?,
- zo.debug_aranges_index.?,
- zo.debug_str_index.?,
- zo.debug_line_index.?,
- zo.debug_line_str_index.?,
- zo.debug_loclists_index.?,
- zo.debug_rnglists_index.?,
- }) |sym_index| {
+ const base_offset = if (elf_file.zigObjectPtr()) |zo| blk: {
+ break :blk for ([_]?Symbol.Index{
+ zo.debug_info_index,
+ zo.debug_abbrev_index,
+ zo.debug_aranges_index,
+ zo.debug_str_index,
+ zo.debug_line_index,
+ zo.debug_line_str_index,
+ zo.debug_loclists_index,
+ zo.debug_rnglists_index,
+ }) |maybe_sym_index| {
+ const sym_index = maybe_sym_index orelse continue;
const sym = zo.symbol(sym_index);
const atom_ptr = sym.atom(elf_file).?;
if (atom_ptr.output_section_index == shndx) break atom_ptr.size;
src/link/Elf/ZigObject.zig
@@ -52,8 +52,8 @@ debug_rnglists_section_dirty: bool = false,
eh_frame_section_dirty: bool = false,
text_index: ?Symbol.Index = null,
-data_relro_index: ?Symbol.Index = null,
rodata_index: ?Symbol.Index = null,
+data_relro_index: ?Symbol.Index = null,
data_index: ?Symbol.Index = null,
bss_index: ?Symbol.Index = null,
eh_frame_index: ?Symbol.Index = null,
@@ -2003,6 +2003,8 @@ fn allocateAtom(self: *ZigObject, atom_ptr: *Atom, elf_file: *Elf) !void {
shdr.sh_addralign = @max(shdr.sh_addralign, atom_ptr.alignment.toByteUnits().?);
const sect_atom_ptr = for ([_]?Symbol.Index{
+ self.text_index,
+ self.rodata_index,
self.data_index,
self.data_relro_index,
}) |maybe_sym_index| {
src/link/Elf.zig
@@ -3572,8 +3572,10 @@ fn updateSectionSizes(self: *Elf) !void {
if (self.requiresThunks() and shdr.sh_flags & elf.SHF_EXECINSTR != 0) continue;
if (self.zigObjectPtr()) |zo| blk: {
const sym_index = for ([_]?Symbol.Index{
- zo.data_index,
+ zo.text_index,
+ zo.rodata_index,
zo.data_relro_index,
+ zo.data_index,
zo.bss_index,
}) |maybe_idx| {
if (maybe_idx) |idx| break idx;
@@ -3913,8 +3915,10 @@ pub fn allocateAllocSections(self: *Elf) !void {
if (self.zigObjectPtr()) |zo| blk: {
const existing_size = for ([_]?Symbol.Index{
- zo.data_index,
+ zo.text_index,
+ zo.rodata_index,
zo.data_relro_index,
+ zo.data_index,
zo.eh_frame_index,
}) |maybe_sym_index| {
const sect_sym_index = maybe_sym_index orelse continue;
@@ -3954,27 +3958,27 @@ pub fn allocateNonAllocSections(self: *Elf) !void {
shdr.sh_size = 0;
const new_offset = try self.findFreeSpace(needed_size, shdr.sh_addralign);
- if (self.isDebugSection(@intCast(shndx))) {
+ if (self.zigObjectPtr()) |zo| blk: {
+ const existing_size = for ([_]?Symbol.Index{
+ zo.debug_info_index,
+ zo.debug_abbrev_index,
+ zo.debug_aranges_index,
+ zo.debug_str_index,
+ zo.debug_line_index,
+ zo.debug_line_str_index,
+ zo.debug_loclists_index,
+ zo.debug_rnglists_index,
+ }) |maybe_sym_index| {
+ const sym_index = maybe_sym_index orelse continue;
+ const sym = zo.symbol(sym_index);
+ const atom_ptr = sym.atom(self).?;
+ if (atom_ptr.output_section_index == shndx) break atom_ptr.size;
+ } else break :blk;
log.debug("moving {s} from 0x{x} to 0x{x}", .{
self.getShString(shdr.sh_name),
shdr.sh_offset,
new_offset,
});
- const zo = self.zigObjectPtr().?;
- const existing_size = for ([_]Symbol.Index{
- zo.debug_info_index.?,
- zo.debug_abbrev_index.?,
- zo.debug_aranges_index.?,
- zo.debug_str_index.?,
- zo.debug_line_index.?,
- zo.debug_line_str_index.?,
- zo.debug_loclists_index.?,
- zo.debug_rnglists_index.?,
- }) |sym_index| {
- const sym = zo.symbol(sym_index);
- const atom_ptr = sym.atom(self).?;
- if (atom_ptr.output_section_index == shndx) break atom_ptr.size;
- } else 0;
const amt = try self.base.file.?.copyRangeAll(
shdr.sh_offset,
self.base.file.?,
@@ -4068,35 +4072,28 @@ fn writeAtoms(self: *Elf) !void {
log.debug("writing atoms in '{s}' section", .{self.getShString(shdr.sh_name)});
// TODO really, really handle debug section separately
- const base_offset = if (self.isDebugSection(@intCast(shndx))) base_offset: {
- const zo = self.zigObjectPtr().?;
- for ([_]Symbol.Index{
- zo.debug_info_index.?,
- zo.debug_abbrev_index.?,
- zo.debug_aranges_index.?,
- zo.debug_str_index.?,
- zo.debug_line_index.?,
- zo.debug_line_str_index.?,
- zo.debug_loclists_index.?,
- zo.debug_rnglists_index.?,
- }) |sym_index| {
+ const base_offset = if (self.zigObjectPtr()) |zo| base_offset: {
+ for ([_]?Symbol.Index{
+ zo.text_index,
+ zo.rodata_index,
+ zo.data_relro_index,
+ zo.data_index,
+ zo.eh_frame_index,
+ zo.debug_info_index,
+ zo.debug_abbrev_index,
+ zo.debug_aranges_index,
+ zo.debug_str_index,
+ zo.debug_line_index,
+ zo.debug_line_str_index,
+ zo.debug_loclists_index,
+ zo.debug_rnglists_index,
+ }) |maybe_sym_index| {
+ const sym_index = maybe_sym_index orelse continue;
const sym = zo.symbol(sym_index);
const atom_ptr = sym.atom(self).?;
if (atom_ptr.output_section_index == shndx) break :base_offset atom_ptr.size;
}
break :base_offset 0;
- } else if (self.zigObjectPtr()) |zo| base_offset: {
- const sym_index = for ([_]?Symbol.Index{
- zo.data_index,
- zo.data_relro_index,
- zo.eh_frame_index,
- }) |maybe_idx| {
- if (maybe_idx) |idx| break idx;
- } else break :base_offset 0;
- const sym = zo.symbol(sym_index);
- const atom_ptr = sym.atom(self).?;
- if (atom_ptr.output_section_index == @as(u32, @intCast(shndx))) break :base_offset atom_ptr.size;
- break :base_offset 0;
} else 0;
const sh_offset = shdr.sh_offset + base_offset;
const sh_size = math.cast(usize, shdr.sh_size - base_offset) orelse return error.Overflow;
@@ -4799,22 +4796,6 @@ pub fn isEffectivelyDynLib(self: Elf) bool {
};
}
-pub fn isDebugSection(self: Elf, shndx: u32) bool {
- inline for (&[_]?u32{
- self.debug_info_section_index,
- self.debug_abbrev_section_index,
- self.debug_str_section_index,
- self.debug_aranges_section_index,
- self.debug_line_section_index,
- self.debug_line_str_section_index,
- self.debug_loclists_section_index,
- self.debug_rnglists_section_index,
- }) |index| {
- if (index == shndx) return true;
- }
- return false;
-}
-
pub fn addPhdr(self: *Elf, opts: struct {
type: u32 = 0,
flags: u32 = 0,