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Step.CheckObject: support dumping raw section contents for MachO

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This commit is contained in:
Jakub Konka 2024-05-13 09:14:35 +02:00
parent 5d619da2de
commit 2d537da6bd
1 changed files with 16 additions and 0 deletions
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16
lib/std/Build/Step/CheckObject.zig
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@ -1578,6 +1578,11 @@ const MachODumper = struct {
it.pos = curr;
}
}
fn dumpSection(ctx: ObjectContext, sect: macho.section_64, writer: anytype) !void {
const data = ctx.data[sect.offset..][0..sect.size];
try writer.print("{s}", .{data});
}
};
fn parseAndDumpObject(step: *Step, check: Check, bytes: []const u8) ![]const u8 {
@ -1666,6 +1671,17 @@ const MachODumper = struct {
return step.fail("no exports data found", .{});
},
.dump_section => {
const name = mem.sliceTo(@as([*:0]const u8, @ptrCast(check.data.items.ptr + check.payload.dump_section)), 0);
const sep_index = mem.indexOfScalar(u8, name, ',') orelse
return step.fail("invalid section name: {s}", .{name});
const segname = name[0..sep_index];
const sectname = name[sep_index + 1 ..];
const sect = ctx.getSectionByName(segname, sectname) orelse
return step.fail("section '{s}' not found", .{name});
try ctx.dumpSection(sect, writer);
},
else => return step.fail("invalid check kind for MachO file format: {s}", .{@tagName(check.kind)}),
}