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link/macho: fix 32bit build

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This commit is contained in:
Jakub Konka 2024-05-24 23:06:27 +02:00
parent 19f41d390f
commit 42c058575e
1 changed files with 5 additions and 4 deletions
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9
src/link/MachO/dwarf.zig
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@ -119,7 +119,8 @@ pub const InfoReader = struct {
switch (form) {
dwarf.FORM.strp => {
const off = try p.readOffset(cuh.format);
return mem.sliceTo(@as([*:0]const u8, @ptrCast(p.strtab.ptr + off)), 0);
const off_u = math.cast(usize, off) orelse return error.Overflow;
return mem.sliceTo(@as([*:0]const u8, @ptrCast(p.strtab.ptr + off_u)), 0);
},
dwarf.FORM.string => {
const start = p.pos;
@ -163,7 +164,7 @@ pub const InfoReader = struct {
var stream = std.io.fixedBufferStream(p.bytes[p.pos..]);
var creader = std.io.countingReader(stream.reader());
const value: Type = try leb.readULEB128(Type, creader.reader());
p.pos += creader.bytes_read;
p.pos += math.cast(usize, creader.bytes_read) orelse return error.Overflow;
return value;
}
@ -171,7 +172,7 @@ pub const InfoReader = struct {
var stream = std.io.fixedBufferStream(p.bytes[p.pos..]);
var creader = std.io.countingReader(stream.reader());
const value: Type = try leb.readILEB128(Type, creader.reader());
p.pos += creader.bytes_read;
p.pos += math.cast(usize, creader.bytes_read) orelse return error.Overflow;
return value;
}
@ -226,7 +227,7 @@ pub const AbbrevReader = struct {
var stream = std.io.fixedBufferStream(p.bytes[p.pos..]);
var creader = std.io.countingReader(stream.reader());
const value: Type = try leb.readULEB128(Type, creader.reader());
p.pos += creader.bytes_read;
p.pos += math.cast(usize, creader.bytes_read) orelse return error.Overflow;
return value;
}