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fix 32-bit build

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This commit is contained in:
Andrew Kelley 2024-10-12 01:54:56 -07:00
parent 9b0a3942ef
commit 344a21b14f
1 changed files with 4 additions and 3 deletions
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7
src/link/Elf/SharedObject.zig
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@ -138,7 +138,7 @@ pub fn parseHeader(
const dynamic_table: []elf.Elf64_Dyn = if (dynamic_sect_index) |index| dt: {
const shdr = sections[index];
const n = shdr.sh_size / @sizeOf(elf.Elf64_Dyn);
const n = std.math.cast(usize, shdr.sh_size / @sizeOf(elf.Elf64_Dyn)) orelse return error.Overflow;
const dynamic_table = try gpa.alloc(elf.Elf64_Dyn, n);
errdefer gpa.free(dynamic_table);
const buf = mem.sliceAsBytes(dynamic_table);
@ -155,7 +155,8 @@ pub fn parseHeader(
const dynsym_shdr = sections[index];
if (dynsym_shdr.sh_link >= sections.len) return error.BadStringTableIndex;
const strtab_shdr = sections[dynsym_shdr.sh_link];
const buf = try strtab.addManyAsSlice(gpa, strtab_shdr.sh_size);
const n = std.math.cast(usize, strtab_shdr.sh_size) orelse return error.Overflow;
const buf = try strtab.addManyAsSlice(gpa, n);
const amt = try fs_file.preadAll(buf, strtab_shdr.sh_offset);
if (amt != buf.len) return error.UnexpectedEndOfFile;
}
@ -194,7 +195,7 @@ pub fn parse(
) !Parsed {
const symtab = if (header.dynsym_sect_index) |index| st: {
const shdr = header.sections[index];
const n = shdr.sh_size / @sizeOf(elf.Elf64_Sym);
const n = std.math.cast(usize, shdr.sh_size / @sizeOf(elf.Elf64_Sym)) orelse return error.Overflow;
const symtab = try gpa.alloc(elf.Elf64_Sym, n);
errdefer gpa.free(symtab);
const buf = mem.sliceAsBytes(symtab);