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stage2 MachO: clean up segment protection flags

master
Jakub Konka 2020-11-13 22:20:07 +01:00
parent 7dd5ce2527
commit b3fdfe5ca0
1 changed files with 8 additions and 6 deletions
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14
src/link/MachO.zig
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@ -1142,7 +1142,8 @@ pub fn populateMissingMetadata(self: *MachO) !void {
}
if (self.text_segment_cmd_index == null) {
self.text_segment_cmd_index = @intCast(u16, self.load_commands.items.len);
const prot = macho.VM_PROT_READ | macho.VM_PROT_EXECUTE;
const maxprot = macho.VM_PROT_READ | macho.VM_PROT_WRITE | macho.VM_PROT_EXECUTE;
const initprot = macho.VM_PROT_READ | macho.VM_PROT_EXECUTE;
try self.load_commands.append(self.base.allocator, .{
.Segment = .{
.cmd = macho.LC_SEGMENT_64,
@ -1152,8 +1153,8 @@ pub fn populateMissingMetadata(self: *MachO) !void {
.vmsize = 0,
.fileoff = 0,
.filesize = 0,
.maxprot = prot,
.initprot = prot,
.maxprot = maxprot,
.initprot = initprot,
.nsects = 0,
.flags = 0,
},
@ -1194,7 +1195,8 @@ pub fn populateMissingMetadata(self: *MachO) !void {
if (self.data_segment_cmd_index == null) {
self.data_segment_cmd_index = @intCast(u16, self.load_commands.items.len);
const text_segment = &self.load_commands.items[self.text_segment_cmd_index.?].Segment;
const prot = macho.VM_PROT_READ | macho.VM_PROT_WRITE;
const maxprot = macho.VM_PROT_READ | macho.VM_PROT_WRITE | macho.VM_PROT_EXECUTE;
const initprot = macho.VM_PROT_READ | macho.VM_PROT_WRITE;
try self.load_commands.append(self.base.allocator, .{
.Segment = .{
.cmd = macho.LC_SEGMENT_64,
@ -1204,8 +1206,8 @@ pub fn populateMissingMetadata(self: *MachO) !void {
.vmsize = 0,
.fileoff = 0,
.filesize = 0,
.maxprot = prot,
.initprot = prot,
.maxprot = maxprot,
.initprot = initprot,
.nsects = 0,
.flags = 0,
},