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macho: add helper for accessing tools array in LC_BUILD_VERSION cmd

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This commit is contained in:
Jakub Konka 2023-08-18 11:55:29 +02:00
parent 71cc2e6759
commit 274400c57d
1 changed files with 10 additions and 0 deletions
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10
lib/std/macho.zig
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@ -1898,6 +1898,16 @@ pub const LoadCommandIterator = struct {
const data = lc.data[rpath_lc.path..];
return mem.sliceTo(data, 0);
}
/// Asserts LoadCommand is of type build_version_command.
pub fn getBuildVersionTools(lc: LoadCommand) []const build_tool_version {
const build_lc = lc.cast(build_version_command).?;
const ntools = build_lc.ntools;
if (ntools == 0) return &[0]build_tool_version{};
const data = lc.data[@sizeOf(build_version_command)..];
const tools = @as([*]const build_tool_version, @ptrCast(@alignCast(&data[0])))[0..ntools];
return tools;
}
};
pub fn next(it: *LoadCommandIterator) ?LoadCommand {